CN206315079U - A kind of pulse image sensor and pulse condition collecting device for demarcating static force - Google Patents
A kind of pulse image sensor and pulse condition collecting device for demarcating static force Download PDFInfo
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- CN206315079U CN206315079U CN201620976091.7U CN201620976091U CN206315079U CN 206315079 U CN206315079 U CN 206315079U CN 201620976091 U CN201620976091 U CN 201620976091U CN 206315079 U CN206315079 U CN 206315079U
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/48—Other medical applications
- A61B5/4854—Diagnosis based on concepts of traditional oriental medicine
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/6813—Specially adapted to be attached to a specific body part
- A61B5/6825—Hand
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/683—Means for maintaining contact with the body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/6843—Monitoring or controlling sensor contact pressure
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
- A61B5/7203—Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal
Abstract
The utility model is related to a kind of pulse image sensor and pulse condition collecting device for demarcating static force, and the pulse image sensor includes：Static force sensor, for measuring the pressure that pulse image sensor during diagnosis by feeling the pulse applies to human body position to be detected；Dynamic force snesor, for measuring dynamic force during beat pulse during diagnosis by feeling the pulse；Wherein, dynamic force snesor includes housing, and it is arranged on sensor body and flexible conductor element on housing, flexible conductor element contacts setting with sensor body, flexible conductor element can make the sensing contact surface of dynamic force snesor fully be fitted with human body position to be detected and equably conduct pressure to sensor body, to realize the measurement of dynamic force；The housing of dynamic force snesor is connected with static force sensor, for by pressure conduction to static force sensor, to realize the measurement of static force.The utility model can comprehensive collection pulse condition information, while ensure high sensitivity dynamic force test and accurately static force measurement.
Description
Technical field
The utility model belongs to Medical Instruments technical field, and in particular to a kind of pulse image sensor for demarcating static force and
Pulse condition collecting device.
Background technology
Diagnosis by feeling the pulse is an important technology in tcm diagnosis.Traditional Chinese Medicine pulpating method passes through the succession of thousand, have accumulated big
Measure invaluable experience.Some traditional Chinese medical science of superb skills can obtain constitution, the vital organs of the human body shape of patient exactly by technology of feeling the pulse
The information such as condition and extent, so as to suit the remedy to the case.Modern medicine believes that, blood flows through the vital organs of the human body of human body, it will necessarily take
With a large amount of human internal environment's information.
Electropulsograph is that one kind can gather patient's radial artery pressure changing information, pressure information is digitized, and carry out arteries and veins
The device of picture analysis.In order to excavate a large amount of health and fitness informations entrained in pulse condition, sensor must have used in electropulsograph
Standby following three points characteristic：
1. high sensitivity dynamic force test.Because pulse belongs to faint pressure signal, the accuracy to ensure measurement is passed
Sensitivity of the sensor to faint dynamic force test must be high.
2. accurately static force is measured., it is necessary to obtain static force in real time, (static force refers to that the traditional Chinese medical science takes during pulse-tracing collection
When arteries and veins, to apply different degrees of power to radial artery), and static force is maintained, then experience vascular pulsation (dynamic force),
To judge " modrate and heavey pressing " attribute of pulse condition.The same person same time, static force deviation is a bit, it is possible to cause what is collected
Waveform is completely different.Analyzed using complete inconsistent waveform twice, necessarily obtained inconsistent measurement result.
3. threedimensional haptic information.The beating of Artery Vein different parts and blood vessel perienchyma all contains substantial amounts of health
Information.If pulse image sensor can in small area the more sensor sensing points of dense distribution, constitute array tactile sensing
Device, can obtain more valuable information (such as blood vessel position, vascular bending degree, blood vessel width and surrounding tissue pressure).
Simultaneously as sensor dense distribution, facilitates user to find pulse collection point accurately, so as to improve the repeatability of pulse-tracing collection.
Patent application CN201420444501 proposes a kind of pulse collection dress of combination polymorphic type pressure sensor first
Put, it uses piezoelectric transducer to measure pulse information, static force is measured using piezoresistive transducer, still, described in this application
Piezoresistive transducer is without any strain structure, and the measurement reproducibility of static force is poor, it is difficult to Accurate Calibration is realized, to static force
Measurement is unable to reach high accuracy and standardization measurement required by medicine equipment.In addition, piezoresistive transducer is to use semiconductor
Material makes, and temperature influence is larger, and temperature-compensating must be carried out when using.Meanwhile, the pulse collection device of this application can not
Obtain three-dimensional pulse condition information.
In addition, one layer of transmitting medium need to be generally set between pressure sensor and testee, for protecting sensor not
Be hit damage.The transmitting medium of contact pressure detecting is normally solid, and the transmitting medium of contactless pressure detecting is usual
For gas.When measured target is rapid wear object, or measured target surface irregularity, and require pressure sensitive contact point and quilt
In the case that survey target is fully fitted, transmitting medium should select flexible material, such as elastomeric material or fluent material, with equably
Conducting pressure.However, the technique that existing use fluent material does transmitting medium is relative complex, liquid is during embedding, gas
Bubble is difficult to exclude totally.In order to exclude bubble, it is necessary to which sensor is placed in vacuum machine, embedding is carried out after integrally vacuumizing.
Utility model content
In order to solve the above-mentioned technical problem, the utility model proposes a kind of pulse image sensor and arteries and veins for demarcating static force
As harvester, the utility model can comprehensive collection pulse condition information, while ensureing high sensitivity dynamic force test, accurately
Static force measures the ability with threedimensional haptic acquisition of information.
To achieve the above object, the pulse image sensor of the present utility model for demarcating static force and include the pulse condition sensing
The concrete technical scheme of the pulse condition collecting device of device is as follows：
A kind of pulse image sensor for demarcating static force, the pulse image sensor includes：Static force sensor, for measuring arteries and veins
The pressure that pulse image sensor applies to human body position to be detected during examining；Dynamic force snesor, for measuring diagnosis by feeling the pulse during
Dynamic force during beat pulse；Wherein, dynamic force snesor includes housing, and the sensor body that is arranged on housing and soft
Property conducting subassembly, flexible conductor element contacts setting with sensor body, and flexible conductor element can make the sense of dynamic force snesor
Contact surface is answered fully to be fitted with human body position to be detected and equably conduct pressure to sensor body, to realize dynamic force
Measurement；The housing of dynamic force snesor is connected with static force sensor, for by pressure conduction to static force sensor, with reality
The measurement of existing static force.
Further, the dynamic force snesor is array-type flexible sensor, and array-type flexible sensor includes flexible pass
Sensor film and array-type flexible sensor support body, flexible sensor film are arranged on array-type flexible sensor support body bottom
Portion, flexible sensor film is dispersed with multiple pressure sensitive contact points, and flexible sensor film is fitted with human body wrist when using,
Carry out dynamic force and threedimensional haptic information measurement；Array-type flexible sensor also includes soft filler, and soft filler is set
In the cavity of array-type flexible sensor support body.
Further, sensor body is sensor chip, and sensor chip is overlapped on enclosure interior in arm form of hanging oneself from a beam, and flexibility is passed
Guide assembly is filled in enclosure interior and contacted with sensor chip, and power is transmitted on sensor chip.
Further, the flexible conductor element is conduction liquid, and conduction liquid is arranged on the bottom of flexible shell, sensor
Piece is arranged on the top of conduction liquid and contacted with conduction liquid, and conduction liquid can be transferred force on sensor chip.
Further, the housing is flexible shell, and the bottom of flexible shell is formed with liquid storage space, the side wall in liquid storage space
On be formed with liquid filling pore for injecting conduction liquid, lid is connected with the top of flexible shell, it is empty that sensor chip is arranged on liquid storage
Between between upper lid.
Further, the dynamic force snesor is pressure capacitance type sensor, and the pressure capacitance type sensor includes stacking gradually setting
At least three electrode layers put, wherein, flexible dielectric layer, and the adjacent electricity of each two are provided between each two adjacent electrode layer
The opposite polarity of pole layer.
Further, the static force sensor is strain gauge load cell, piezoresistive transducer or MEMS pressure
Force snesor.
Further, the static force sensor is strain gauge load cell, and strain gauge load cell is passed including pressure
Conductor, strain elastomer and at least one foil gauge；Wherein, the foil gauge is attached on the strain elastomer, the pressure
Power conductor one end is connected with the dynamic force snesor, the other end with it is described strain elastomer be connected so that by static force from
The dynamic force sensor conductive after strain elastomer is deformed upon, can drive and be attached to the strain elastomer
Foil gauge above is deformed upon, and the measurement of static force is carried out by the deformation for detecting foil gauge.
Further, pulse image sensor also includes Buffer Unit, and Buffer Unit is sensed with dynamic force snesor and/or static force
Device is connected, for reducing outside shake to the interference of diagnosis by feeling the pulse measurement and preventing the skew of measurement position.
On the other hand, the utility model discloses a kind of pulse condition collecting device, the pulse condition collecting device includes foregoing arteries and veins
Image sensor, and for accommodating the shell of the pulse image sensor.
The beneficial effects of the utility model：
1) the utility model proposes the compound transducer structure that is combined with dynamic force snesor of static force sensor,
It can realize on the premise of dynamic force measurement sensitivity is not lost, static force is accurately demarcated, the arteries and veins that static force can be demarcated
Sensor plan of fighting will have facilitation to the standardized process of traditional Chinese medicine pulse electro pulsograph.
2) the utility model combination strain gauge transducer technology, array-type flexible sensor technology, it is proposed that a kind of array
Formula pulse image sensor, can comprehensive collection pulse condition information, while ensure high sensitivity dynamic force test, accurately static force survey
The ability of amount and threedimensional haptic acquisition of information, so that dynamic force, static force and three can not be taken into account comprehensively by solving existing electropulsograph
The problem of tieing up the accurate acquisition of tactile data.
3) the sensing contact surface (i.e. pulse image sensor and the contact surface at human body position to be detected) of pulse image sensor is soft relaxes
It is suitable, there can be the deformation of a degree adaptability with testee surface, the measurement object laminating degree contacted to on-plane surface is high, together
When, the sensing contact surface of pulse image sensor has certain elastic deformability, equably can come out pressure conduction.
4) done using fluent material in the pulse image sensor of transmitting medium, liquid embedding simple and convenient, production system can be improved
The efficiency of work.
5) the utility model also takes into full account various environmental disturbances in pulse condition detection, and the work of bradyseism is played using Buffer Unit
With reduction shaking interference, it can also be ensured that sensor is brought into close contact with wrist will not cause sensor and wrist to separate, detection
Less than waveform.
Brief description of the drawings
Fig. 1 shows the structural representation of the first embodiment of pulse image sensor.
Fig. 2 a-2b show the structural representation of the second embodiment of pulse image sensor.
Fig. 3 shows the structural representation of the 3rd embodiment of pulse image sensor.
Fig. 4 a-4b show the structural representation of the fourth embodiment of pulse image sensor.
Fig. 5 and Fig. 6 a-6b show the structural representation of the 5th embodiment of pulse image sensor.
Fig. 7 a-7b show the structural representation of the sixth embodiment of pulse image sensor.
Fig. 8 a-8b show the knot of the first embodiment for the pressure/capacitance type sensor array that can be used as dynamic force snesor
Structure schematic diagram.
Fig. 9 a-9b show the knot of the second embodiment for the pressure/capacitance type sensor array that can be used as dynamic force snesor
Structure schematic diagram.
Figure 10 shows the structural representation of the first embodiment of pulse condition collecting device.
Figure 11 shows the structural representation of the second embodiment of pulse condition collecting device.
Figure 12 shows the structural representation of the 3rd embodiment of pulse condition collecting device.
Figure 13 shows the structural representation of the fourth embodiment of pulse condition collecting device.
Figure 14 shows the circuit diagram in pulse condition collecting device of the present utility model.
Embodiment
For the purpose of this utility model, technical scheme and advantage is more clearly understood, below in conjunction with specific embodiment, and
Referring to the drawings, the utility model is further described.But those skilled in the art know, the utility model is not limited to
Accompanying drawing and following examples.
The utility model aims to provide a kind of arteries and veins for having high sensitivity, high accurancy and precision and threedimensional haptic information Overall Acquisition concurrently
Image sensor, and a kind of pulse condition collecting device for including the pulse image sensor is provided.
Pulse image sensor of the present utility model includes dynamic force snesor and static force sensor, wherein, static force sensing
Device is used to measure the pressure that pulse image sensor during diagnosis by feeling the pulse applies human body position to be detected, and dynamic force snesor is for measuring
Dynamic force during diagnosis by feeling the pulse during beat pulse.Thus, static force can be demarcated by the accurate measurement of static force sensor, so that
Realize under conditions of identical static force is kept, dynamic force snesor is accurately measured dynamic force.
Wherein, dynamic force snesor can using existing piezoelectric transducer, piezoresistive transducer, pressure capacitance type sensor or
Person's fibre optic compression sensor etc., to realize the measurement of dynamic force by the way that dynamic force signal is converted into charge signal.Specifically,
Dynamic force snesor includes housing, and sensor body and flexible conductor element on housing or in housing, wherein,
Sensor body is used for the dynamic force for measuring beat pulse during diagnosis by feeling the pulse, and flexible conductor element is contacted with sensor body and set
Put so that the sensing contact surface of dynamic force snesor fully fitted with human body position to be detected and pressure is equably conducted to
Sensor body.
Static force sensor can use existing strain gauge transducer, piezoresistive transducer or MEMS pressure sensor
(pressure sensor for micro electro-mechanical system) etc., with by the way that static force is converted into the measurement that electrical parameter changes and realizes static force.
Wherein, static force sensor is connected to the top of dynamic force snesor, and such as static force sensor can pass through screw thread, welding, bonding
Or be connected by Buffer Unit with dynamic force snesor.
The two ends of above-mentioned Buffer Unit can be connected with dynamic force snesor and static force sensor respectively, i.e., Buffer Unit can
It is arranged between dynamic force snesor and static force sensor to transmit static force.Or, one end of Buffer Unit can be with static state
Force snesor, the other end is connected to transmit static force, the shell of such as pulse image sensor with miscellaneous part.Wherein, Buffer Unit
Can be flexible member, such as spring, elastic webbing or flexure strip, as long as it can be along static force direction elastic telescopic or deformation
, to provide the elastic buffer power along static force direction.The Buffer Unit can transmit the static force being pressed on human body skin simultaneously
And the static force will not be caused damage.It should be noted that multiple Buffer Units can be set in pulse image sensor as needed,
To strengthen buffering effect.
In addition, being also provided with pulse image sensor for ensuring that Buffer Unit transmits the guiding of power along static force direction
Component, changes direction of transfer during preventing that static force from being transmitted by Buffer Unit so that static force is damaged in transmittance process
Lose, ultimately resulting in the static force measured has error.For example, Buffer Unit can be at least one spring, guidance set can be with
It is guide rod, guide post or guide cylinder.Wherein, one end of guide rod or guide post is fixed on pulse image sensor, the other end
In the inside aperture that spring can be goed deep into, guide cylinder can be set around the outer wall of spring, so that it is guaranteed that spring is passed along static force direction
Static force is passed, prevents from causing static force to be lost in transmittance process because spring is inclined to.
Below by instantiation come to the pulse image sensor of the present utility model for demarcating static force and pulse-tracing collection dress
Put and illustrate.
Embodiment 1：
Fig. 1 is a kind of structural representation of the pulse image sensor of combination strain gauge transducer and array-type flexible sensor.
Wherein, array-type flexible sensor is dynamic force snesor, and strain gauge transducer is static force sensor.
Specifically, the pulse image sensor includes array-type flexible sensor 100, the and of strain gauge transducer elastomer 105
Strain gauge transducer shell 109.Wherein, array-type flexible sensor 100 includes flexible sensor film 101, soft filler
102 and array-type flexible sensor housing 103.Wherein, flexible sensor film 101 is sensor body, soft filler
102 be flexible conductor element.
Flexible sensor film 101 is arranged on the bottom of array-type flexible sensor housing 103, flexible sensor film 101
On be dispersed with multiple pressure sensitive contact points, in use, flexible sensor film 101 is fitted with human body wrist portion, enter Mobile state
Power and threedimensional haptic information measurement.The implementation of flexible sensor film 101 includes PVDF thin film, piezoelectric chip array, pressure
Capacity sensor, nano biological sensor and graphene sensor etc..
Soft filler 102 is arranged in the cavity of array-type flexible sensor housing 103, by thin in flexible sensor
Soft filler 102 is filled on film 101, it is ensured that pressure sensitive contact point can fully be combined with wrist, and uniform force.When
So, it would however also be possible to employ other means ensure that pressure sensitive contact point is fully combined with wrist, or even in flexible sensor film energy
, can be without flexible filler during enough preferably laminating wrists.In addition, in order to ensure to have preferable laminating degree, soft filler 102
It is preferred that with self-recovering function low resilience flexible material, such as silicon rubber, polyurethane class high molecular polymer, space memory sponge,
Sponge and plastic with plasticity etc..
The top center of array-type flexible sensor housing 103 has the hole with internal thread 104.The internal thread can be
The top of array-type flexible sensor housing 103 is integrally formed with array-type flexible sensor housing 103.Array-type flexible sensor
Static force is transmitted to strain pressure transducer 105 by housing 103 as conductor.
Strain gauge transducer elastomer 105 includes screw rod 106, elastic sheet 107 and at least one foil gauge 108.Wherein,
The contact of screw rod 106 sets or is fixedly installed on the lower section of elastic sheet 107, and with external screw thread, the external screw thread can be screwed into interior spiral shell
Line 104, so as to realize rigid combination with array-type flexible sensor 100.Above-mentioned screw rod 106 can also can be conducted using other
The part of pressure, such as straight-bar, straight-bar can be using welding or viscous with the connection of elastic sheet or array-type flexible sensor
The conventional mode such as connect.
Preferred good, antifatigue and good stability the metal of elasticity of elastic sheet 107, such as stainless steel, steel alloy, aluminium alloy
Deng, or select macromolecular material.Elastic sheet 107 can also be using other strain elastomer structures.
At least one foil gauge 108 is attached on elastic sheet 107, after elastic sheet 107 is deformed upon, can drive patch
Attached superincumbent foil gauge 108 is deformed upon, and deformation of the foil gauge 108 by detecting elastic sheet 107 carries out the standard of static force
Really measurement.
Strain gauge transducer shell 109 is mainly made up of metal shell 110, step 111 and internal thread 112, metal shell
110th, step 111 and internal thread 112 can be formed using integrative-structure.Metal shell 110 plays the work of support and electromagnetic shielding
With step 111 is used for hasp strain gauge transducer elastomer 105, equivalent to the pillar for building Izod force measuring structure.This
Rank can also use other attachment structures.Internal thread 112 can be used to tie with miscellaneous part (such as stepper motor or mechanical arm)
Close, facilitate electropulsograph to realize automatic pressure control.
So, as long as ensureing that the housing static force measurement of array-type flexible sensor is accurate, it is possible to ensure all sensings
The static force measurement of point has uniformity.Therefore it may only be necessary to which a sensor carries out static force measurement.It is unrestricted in volume
Under the conditions of, static force measurement uses the universally recognized strain gauge transducer of industry, is set with reference to the structure of array-type flexible sensor
Count Izod force measuring structure, it is ensured that the accuracy and uniformity of static force measurement.
Embodiment 2：
Fig. 2 a-2b are two kinds of distressed structures on the basis of embodiment 1, are pulse image sensors shown in embodiment 1
Middle increase spring 120, wherein, spring is Buffer Unit.
Spring 120 has two kinds of assembling modes：As shown in Figure 2 a, the two ends of spring 120 are rotatably connected in the first assembling mode respectively
On the internal thread 204 of the top center of array-type flexible sensor housing 203 and the external screw thread of screw rod 206, array-type flexible is realized
The flexible fastening of sensor 200 and strain gauge transducer elastomer 205.As shown in Figure 2 b, strain-type is passed second of assembling mode
The screw rod 206 of sensor elastomer 205 is screwed into the internal thread 204 that the top of array-type flexible sensor housing 203 is set, and realizes flexible
The hardness of array-type sensor 200 and strain gauge transducer elastomer 205 is fixed；One end of spring 120 is screwed into strain-type to pass
The internal thread 212 of sensor shell 209, the other end is reinforced with other mechanical structures elasticity.
Any slight shake or postural change, may all cause sensor to be separated with human body wrist in the measurements, so that
Cause measurement inaccurate or can not continue.Two kinds of assembling modes that the present embodiment is provided take into full account various environment in pulse condition detection
Interference, such as human body shake, human posture change or environment is shaken etc..The increased spring of the present embodiment plays two crucial works
With：1. spring has the effect of bradyseism, shaking interference is reduced；After 2. human posture changes, spring can ensure sensor and hand
Wrist is brought into close contact, and sensor and wrist will not be caused to separate, waveform is can't detect.
Other guide reference implementation example 1, will not be repeated here.
Embodiment 3：
Present embodiments provide and carry out the another of static force measurement with reference to strain gauge transducer and array-type flexible sensor
Plant implementation：Static force survey is done using weighing sensor or pull pressure sensor existing, that meet industrial standard on the market
Amount, for the array-type flexible in the strain gauge transducer in alternative embodiment 1 and embodiment 2, with embodiment 1 and embodiment 2
Sensor is combined, and can equally reach the effect of embodiment 1, and structure design is simpler.
The example that pull pressure sensor is S types pull pressure sensor 201 is given in Fig. 3, but those skilled in the art know
Dawn, the strain pressure transducer is not limited to the type, for example, can also be cantilever style, radial, plate ring type, bellows
The patterns such as formula, bridge-type, column casing formula.
S types pull pressure sensor 201 has screwed hole 202 up and down.Array-type flexible sensor 207 includes hard shell
204th, lead screw 203, flexible sensor array 206 and soft filler 205 (i.e. flexible conductor element) on housing are installed in.
Wherein, S types pull pressure sensor 201 passes through lead screw 203 and S types pull pressure sensor 201 with array-type flexible sensor 207
In a screwed hole 202 carry out hard contact and reinforcing.
Embodiment 4：
Similarly, Fig. 4 a-4b are two kinds of distressed structures on the basis of embodiment 3.Shown pulse condition is passed in embodiment 3
In sensor increase spring 220, spring 220 have two kinds of assembling modes be similar to embodiment 2, other guide reference implementation example 3, herein
Repeat no more.
Embodiment 5：
As shown in figure 5, the pulse image sensor of the present embodiment includes cylindrical weighing sensor 301 and dynamic force snesor
309, dynamic force snesor 309 is used to be converted into charge signal to carry out the dynamic force measurement of pulse, cylinder by dynamic force signal
Shape weighing sensor 301 is static force sensor, and measurement is realized for static force to be converted into resistance variations.
Multiple foil gauges are posted inside cylindrical weighing sensor 301, foil gauge can be with cylindrical weighing sensor
The deformation of 301 metallic elastic bodies and stretch or shrink, so as to cause the resistance value of foil gauge to change.Foil gauge it is defeated
Go out signal to draw by wire 302, cylindrical weighing sensor 301 is preferably the weighing sensor that range is 1Kg-5Kg.
The cylindrical lower section of weighing sensor 301 sets dynamic force snesor 309, and dynamic force snesor 309 includes housing
305th, sensor chip 306 (i.e. sensor body), signal wire 307 and transmitting medium 308 (i.e. flexible conductor element).Wherein, shell
Body 305 is as the pressure conduction body of cylindrical weighing sensor 301, and the stress surface with cylindrical weighing sensor 301 is directly hard
Property contact, the housing 305 can be any rigid material such as metal or plastics.Sensor chip 306 is optional including piezoelectric patches, strain
Piece, pressure drag film or polyvinylidene difluoride film (PVDF thin film) etc., sensor chip 306 are overlapped on dynamic force in arm form of hanging oneself from a beam and passed
Inside the housing 305 of sensor, the both positive and negative polarity of sensor chip 306 is drawn by the housing side of wire 307 from dynamic force snesor 309
Go out.The lumen loading transmitting medium 308 of housing 305 of dynamic force snesor, transmitting medium 308 covers sensor chip 306, as
Testee and the intermediary before sensor.Transmitting medium 308 is preferably made up of soft silicon rubber, or by hydraulically full
Rubber (or silica gel) capsule is made, but not limited to this.
The housing 305 of dynamic force snesor 309 is threaded hole 304 in side, and cylindrical weighing sensor 301 is close
The side of dynamic force snesor 309 is fixed with lead screw 303, side shape of the lead screw 303 away from cylindrical weighing sensor 301
Into external screw thread, it is engaged by the external screw thread in lead screw 303 with the internal thread in screwed hole 304, so that cylinder be weighed
Sensor 301 is fixedly connected with dynamic force snesor 309.
Thus, dynamic force snesor 309 is carried out by screwed hole 304 and lead screw 303 with cylindrical weighing sensor 301
Hard contact and fixation, are to be easy for installation and removal using the benefit of lead screw and the connected mode of screwed hole.However, this implementation
Example is not precluded from selecting other connected modes, such as is directly bonded both with glue, or both structure designs are integral.
Specifically, as shown in Fig. 6 a-6b, the hydraulic conduction formula of the preferred structure as dynamic force snesor 309 is shown
Sensor, the hydraulic conduction formula sensor includes flexible shell 401, sensor chip 402 (i.e. sensor body) and upper lid
403.Wherein, flexible shell 401 is used to accommodate pressure sensor piece 402 and flexible conductor element.
The optional rubber of material (such as silicon rubber) and pvc material (PVC) of flexible shell 401, flexible shell 401
The liquid storage space 405 for being less than or being slightly less than pressure sensor piece 402 is internally formed, the side of liquid storage space 405, which is provided with, to be used for
The liquid filling pore 404 of injection conduction liquid (i.e. flexible conductor element) into liquid storage space 405.One end of sensor chip 402 is with leading
Line 406 is connected, and wire 406 is used for the signal output of sensor.Upper lid 403 is connected with flexible shell 401, and for example both are fastened on
Together, to support whole hydraulic conduction formula pressure sensor.Wire guide 407 is provided with upper lid 403, for wire 406 to be drawn
Go out.
Hydraulic conduction formula sensor in the present embodiment does not need vacuum machine to carry out embedding, and behaviour is can be carried out in atmosphere
Make.The oily step of the filling of the hydraulic conduction formula sensor is as follows：1) fill before oil, sensor chip 402 is covered on liquid storage space 405
Side；2) encapsulant (such as silica gel) is used by the top of sensor chip 405 and the position of surrounding (in addition to the position where liquid filling pore 404)
Put and shut；3) silicone oil or other bubble-frees conduction liquid (such as triglyceride, distilled water, liquid-state silicon gel) are irrigated from liquid filling pore 404；
4) ensure that conduction liquid is full of behind liquid storage space 405, shut liquid filling pore 404；5) lid 403 is covered.Mounted sensor is such as
Shown in Fig. 6 a, so that providing a kind of utilization fluent material does transmitting medium and pressure sensor simple in construction.
Embodiment 6：
Similarly, Fig. 7 a-7b are two kinds of distressed structures on the basis of embodiment 5.Pulse condition shown in embodiment 5 is passed
In sensor increase spring 320, spring 320 have two kinds of assembling modes be similar to embodiment 2, other guide reference implementation example 5, herein
Repeat no more.
As shown in Fig. 8 a to Fig. 9 b, which depict the pressure/capacitance type sensor array that two kinds can be used as dynamic force snesor, this
Kind of pressure/capacitance type sensor array is multi-layer electrode structure, and it can effectively improve the sensitivity of pressure capacitance type sensor, range extension, especially
It is applied to need the application scenarios of densely covered multiple pressure sensitive points in limited areal.
As shown in Figure 8 a-8b, wherein Fig. 8 a-8b are respectively pressure/capacitance type touch sensor to the first pressure/capacitance type sensor array
Top view and profile.The pressure/capacitance type touch sensor includes the first positive electrode layer 501, the first elastic fluid set gradually
Layer 502, positive electrode layer 503, the second flexible dielectric layer 504 and the second positive electrode layer 505.
Wherein, the first positive electrode layer, the second positive electrode layer and positive electrode layer are strip, the first positive electrode layer and the second negative electricity
Pole layer is be arranged in parallel, and the first positive electrode layer and the second positive electrode layer are put with positive electrode layer square crossing respectively, and Fig. 8 a-8b are shown
One positive electrode layer and the second positive electrode layer are row electrode strip, and positive electrode layer 503 is the example of row electrode strip；First negative electrode
Layer and the respective column short circuit of the second positive electrode layer are simultaneously individually drawn by wire 506, and the often row of positive electrode layer 503 passes through wire 507
Individually draw.
First positive electrode layer 501, the second positive electrode layer 505 and positive electrode layer 503 include conductive materials, such as Copper Foil,
Conduction cloth, electric silica gel or flexible PCB etc., preferably flexible PCB.Wherein, the first positive electrode layer 501 and the second negative electricity
Pole layer 505 can use identical material, it would however also be possible to employ different materials.When using different materials, the hardness of material can also
Difference, the electrode layer for example fitted with human body skin can be conductive fabric or electric silica gel, so be easy to fit with human body skin,
And outermost electrode layer can be scale copper, due to scale copper hardness preferably, it can play a supporting role.When using identical material
During material, the first positive electrode layer 501 and the second positive electrode layer 505 can be separately provided, can also be bent by same positive electrode layer and
Into.In said structure layer, positive electrode layer is shared in two electric capacity, those skilled in the art know that two electric capacity can also be shared
Positive electrode layer.
First flexible dielectric layer 502 and the electrode of the second flexible dielectric layer 504 are resiliency compressible macromolecular material, for example, steep
Foam polymer, polyurethane, silicon rubber, thermoplastic elastomer (TPE) etc..First flexible dielectric layer 502 and the second flexible dielectric layer 504 1
As use identical material, but be not excluded for the situation using different materials.
When the dielectric and constant physical characteristic of elastic fluid material, the utility model proposes pressure-volume sensor identical
Deformation under pressure is twice of single-sensor, now, and sensitivity accordingly brings up to original twice.Simultaneously as sensor
Integral compressible space increase, this expands the range of sensor to a certain extent.
In addition, the pressure/capacitance type touch sensor can have multilayer (more than four layers) electrode structure.Such as pressure/capacitance type tactile
The first positive electrode layer that sensor may include to set gradually, the first flexible dielectric layer, public positive electrode layer, the second elastic fluid
Layer, the second positive electrode layer, the 3rd flexible dielectric layer, public positive electrode layer and public cathode conductor and public positive wire, i.e.,
Two layers of public positive electrode layer is formed by same public positive electrode layer bending.Such as pressure/capacitance type touch sensor may include successively again
The public positive electrode layer that sets, the first flexible dielectric layer, the first positive electrode layer, the second flexible dielectric layer, public positive electrode layer, the
Three flexible dielectric layers, the second positive electrode layer, the 4th flexible dielectric layer, public positive electrode layer and public cathode conductor and it is public just
Layer public positive electrode layer of polar conductor, i.e., three is that repeatedly bending is formed by same public positive electrode layer.Above-mentioned two example example
Property provide two kinds increase lamination mode, mainly for fairly set out laminated construction of the present utility model be not limited to three electricity
Pole, double capacitive stack structures of dual dielectric layer, can continue to increase layer number.
The mode of lamination, which recommends to connect negative pole (or earth polar), internal layer by outer layer, to be connect positive pole and is defined, because outer layer generally contacts people
Body, human body and circuit can be played a part of altogether to shield electromagnetic interference, but it is not excluded that outer layer, which connects positive pole, internal layer, connects negative
The situation of pole (or region), when simply outer layer connects positive pole, need to increase safeguard procedures or shielding means.
Alternatively, Fig. 9 a-9b show another pressure/capacitance type sensor array.Fig. 9 a-9b are respectively another pressure/capacitance type
The top view and profile of dynamic force snesor.Pressure/capacitance type dynamic force snesor includes the following each layers set gradually：First
Publicly electrode layer 601, the first flexible dielectric layer 602, sensor array layer 603, the second flexible dielectric layer 604 and second are public
Ground electrode layer 605.
Wherein, first publicly electrode layer 601 and second publicly electrode layer 605 respectively from the both sides up and down shown in Fig. 9 b
Cover all the sensors array region of sensor array layer 603, and the first publicly public ground electrode of electrode layer 601 and second
Layer 605 is turned on.First publicly electrode layer 601 and second publicly electrode layer 605 include conductive materials, such as Copper Foil, conduction
The materials such as cloth, electric silica gel or flexible circuit.
Each sensor sensing point of sensor array layer 603 is drawn out to connector 607 by respective wire 606,
Be ultimately connected to capacitance detecting chips pin, can also sensor sensing point directly on flexible PCB with capacitance detecting chips
Connection, it is not necessary to be drawn out to connector.The implementation of sensor array layer 603 can be flexible circuit, can scribble to lead
The fexible film of electric ink, it might even be possible to be the cloth woven together by conductive fiber and normal cloth.Wherein, sensor array layer
Each array element be also conductive materials, such as pad of copper sheet, conductive ink or flexible PCB.
First flexible dielectric layer 602 and the electrode of the second flexible dielectric layer 604 are resiliency compressible macromolecular material, such as foam
Polymer, polyurethane, silicon rubber and thermoplastic elastomer (TPE) etc..
Touch sensor in Fig. 9 a-9b is also the laminated body, capacitor structure of three electrode layers, dual dielectric layer, by with lamination
Form constitutes a pressure sensitive point of touch sensor, when there is pressure pressing in sensor surface, the electrode of two electric capacity
Plate spacing changes simultaneously, and equivalent to two electric capacity are together in parallel.Pressure capacitance type sensor shown in Fig. 9 a-9b and Fig. 8 a-8b
Shown pressure capacitance type sensor has same technique effect.From unlike pressure capacitance type sensor shown in Fig. 8 a-8b, Fig. 9 a-
Pressure capacitance type sensor structure in 9b is more suitable for using with the collocation of single electrode capacitance sensing chip, can reduce circuit cost, and
And be easier to make and produce.
Similarly, the pressure/capacitance type touch sensor can also have multi-layer electrode structure.Such as pressure/capacitance type touch sensor
The publicly electrode layer that may include to set gradually, the first flexible dielectric layer, first sensor array layer, the second flexible dielectric layer,
Publicly electrode layer, the 3rd flexible dielectric layer, second sensor array layer, the 4th flexible dielectric layer and publicly electrode layer.Its
In, first sensor array layer and second sensor array layer are located at same position, corresponding sensor sensing point is two-by-two up and down
Short circuit.Shorting stub is connected or the short circuit on the circuit board for be integrated with capacitance detecting chips at sensors edges.It is publicly electric
Pole layer is a monoblock flexible conducting material, such as conductive fabric, Copper Foil or electric silica gel.Pressure capacitance type sensor shown in Fig. 9 a-9b
Show that publicly electrode layer shares the example of same ground electrode layer, can also be separately provided as the aforementioned.
The extended mode of pressure capacitance type sensor shown in Fig. 9 a-9b is to scheme with the extended mode difference in Fig. 8 a-8b
The electric capacity number of plies expanded again in 9a-9b is 2N, and N is the positive integer more than 1, such as 4 layers；And expanded again in Fig. 8 a-8b
The electric capacity number of plies is M, and M is the positive integer more than 2, such as 3 layers and 4 layers.In addition, pressure/capacitance type shown in above-mentioned Fig. 8 a-8b and Fig. 9 a-9b
The outermost layer of sensor may also set up screen layer or insulating barrier.
As shown in Figure 10, which depict a kind of pulse condition collecting device of the above-mentioned pulse image sensor of application, pulse-tracing collection dress
Put including shell, and the piezoelectric transducer 707 and weighing sensor 703 being arranged in shell.
Above-mentioned shell includes cap 701 and body 702, and piezoelectric transducer 707 and weighing sensor 703 are arranged at body
In 702；Wherein one end of piezoelectric transducer 707 is connected with the bottom of body 702, and the other end of piezoelectric transducer 707 passes through bullet
Spring 705 is connected with one end of weighing sensor 703, and the other end of weighing sensor 703 is connected with cap 701.Spring 705 is set
Between piezoelectric transducer 707 and weighing sensor 703, and can be as between weighing sensor 703 and piezoelectric transducer 707
Pressure conduction body, play a part of buffering shake and stable conducting pressure.
Specifically, screwed hole or threaded post are provided with weighing sensor 703 and piezoelectric transducer 707, spring 705 is stretched into
In the screwed hole of weighing sensor 703 and piezoelectric transducer 707, or it is connected to weighing sensor 703 and piezoelectric transducer 707
In threaded post, so that weighing sensor 703 and piezoelectric transducer 707 be connected by spring 705.Weighing sensor 703 it is another
One end is formed with screwed hole, and the lower section of cap 701 is provided with threaded post, and weighing sensor 703 passes through screwed hole and the phase of cap 701
Even.
Piezoelectric patches 708 and flexible conductor medium 709 are included in piezoelectric transducer 707, piezoelectric patches is the core of piezoelectric transducer
The heart senses part, rides over enclosure interior in the way of arm of hanging oneself from a beam, its material can be piezoelectric ceramic wafer or PVDF etc..Flexibility is passed
Lead medium 709 be used for directly with human pulse location contacts, its material prioritizing selection soft texture, conduction loss are small, density with
Human body proximity material, such as silicon rubber, polyurethane class high molecular material, or can also be made up of the rubber bag tank for being enclosed with liquid.
The signal of weighing sensor 703 is drawn by the first wire 704, and piezoelectric transducer 707 is drawn by the second wire 706
Go out, the first wire 704 and the second wire 706 are aggregated into a total wire 710 inside body and drawn.
In the pulse condition collecting device shown in Figure 10, piezoelectric transducer 707 is single-point type, its area contacted with skin
Unsuitable excessive or too small, area is excessive to easily entrain clutter, and the too small easy pressure of area is forbidden pulse point, piezoelectric transducer 707
Diameter is preferably in the range of 8mm-25mm.
As shown in figure 11, another pulse condition collecting device is shown.Static pressure sensor does not use strain-type to sense in figure
Device, but change piezoresistive transducer into, the pressure drag material in the piezoresistive transducer can use the film with piezoresistive effect
Or crystalline material.
Pulse condition collecting device in Figure 11 also includes shell, and the shell has cap and body.Its difference is,
Array-type flexible sensor 801 positioned at bottom is installed, positioned at flexible array in the pulse condition collecting device in Figure 11, in shell
The pressure drag thin film sensor 802 of the top of formula sensor 801, and the pressure conduction body positioned at the top of pressure drag thin film sensor 802,
Pressure drag thin film sensor 802 is preferably adhered between array-type flexible sensor 801 and pressure conduction body.The pressure conduction body
For to Buffer Unit (Buffer Unit in the present embodiment is spring) transmission pressure, such as the pressure conduction body can be metal
Piece 803, the top of sheet metal 803 is provided with screw rod, and sheet metal 803 is connected with pressure drag thin film sensor 802, and the screw rod passes through bullet
Spring 804 is connected with upper lid.That is, one end of spring 804 is connected with the sheet metal 803 with screw rod, the other end with lead screw
Upper lid 805 is connected.
As shown in figure 12, another pulse condition collecting device is shown.Buffer Unit does not use foregoing spring in figure, but
Change flexure strip (such as elastic sheet metal) into, or any one can elastic telescopic material.
Pulse condition collecting device in Figure 12 also includes the probing shell with upper lid and body, array-type flexible sensor
901, pressure drag thin film sensor 902, and pressure conduction body, the pressure conduction body can also be the sheet metal with screw rod
903.Its difference is that the pulse condition collecting device in Figure 12 employs the flexure strip being transversely arranged in arm form of hanging oneself from a beam in body
904, flexure strip 904 can be made up of elastic metallic or other flexible materials.The lower end of flexure strip 904 is with being connected to gold
Belong to the screw rod contact on piece 903, the both sides of the upper end of flexure strip 904 and the body inwall of shell are connected.When flexure strip 904 is by spiral shell
It can be bent during the power that bar is pushed up upwards, when stress mitigates, flexure strip 904 can restore to the original state again.In addition, the side of upper lid 905
Edge has screw thread, and upper lid 905 is connected by screw thread with body.
As shown in figure 13, which depict the pulse condition collecting device that another applies above-mentioned pulse image sensor.The device bag
Strain pressure transducer, array-type flexible sensor 1006 and circuit board, and circuit box 1001 are included, wherein, circuit box
Son 1001 includes shell 1003, button 1004, display screen 1005 and communication interface 1002；Button 1004, display screen 1005 and logical
Letter interface 1002 is arranged on shell 1003, and is connected with the circuit board inside shell 1003.Communication interface 1002 is used to adopt
The data result of collection issues intelligent terminal, and such as host computer, mobile phone or pad carry out data analysis.Display screen 1003 can be real
When show static force, dynamic pulse waveform can also be shown.Of course for equipment cost is saved, display screen can be not provided with, is needed
The information to be shown can be transferred to the external electronic devices such as computer by communication interface 1002 and be shown.Button 1004 includes
But switch key, zero button, pressurization button, decompression button are not limited to, switch key is used for the opening and closing of device power supply (DPS), and zero is pressed
Key is used for the static force zero-bit of adjusting device at any time, pressurization and decompression button be used to provide control manually plus, the choosing of decompression operation
Select.
Array-type flexible sensor 1006 is located at outside circuit box 1001, and its signal accesses circuit by shielding line 1007
The circuit board of box 1001.Strain pressure transducer (form or other similar types as in the preceding embodiment) is installed
It is attached inside circuit box 1001, and with circuit board.The shell of array-type flexible sensor 1006 is used as strain-type pressure
The pressure conduction body of force snesor, with the forms such as screw or spring and strain gauge transducer rigid connection or elastic connection.
In the present embodiment, the pulse condition collecting device can be advantageously mounted at vertical pull and push dynamometer support or other bands
On the support of stepper motor, can convenient use person erect one rapidly and can demarcate the pulse-tracing collection test platform of static force,
Carry out pulse-tracing collection and analysis and research.
Although describing the structure and species of the specific sensor in pulse condition collecting device in Figure 10-13, although it is understood that
, during dynamic force snesor and static force sensor in the pulse condition collecting device can be foregoing any embodiment or content
The dynamic force snesor and static force sensor of description, and dynamic force snesor and static force sensor can with it is foregoing either one
Formula is attached combination.
As shown in figure 14, the pulse-tracing collection circuit of a kind of combination static force sensor and dynamic force snesor is described.It is quiet
State force snesor needs to be built into resistance bridge arm with resistance, and resistance variations are converted into voltage change measures.Dynamic force is passed
The flexible sensor film of the preferred piezoelectricity of sensor species or pressure-volume principle, this is illustrated exemplified by sentencing piezoelectric type film.
The circuit include the first modulate circuit, the second modulate circuit, A/D change-over circuits, single chip circuit, interface circuit,
Circuit for controlling motor and power supply circuit.
First modulate circuit is used to the voltage output of static force sensor is filtered and amplified, and the second modulate circuit is used
It is filtered and amplifies in the electric charge output to dynamic force snesor.
The analog signal that A/D change-over circuits respectively export the first modulate circuit and the second modulate circuit, which is digitized, adopts
Collection.
Single chip circuit reads the data of A/D change-over circuits collection, and gathered data is sent by interface circuit.This
In embodiment, interface circuit can be the wireline interfaces such as USB, serial ports, RS232, RS485, Ethernet or bluetooth,
The wireless communication technology interface such as WIFI, NFC, Zigbee, cellular mobile communication.Single chip circuit is adopted always according to A/D change-over circuits
The data of collection obtain pressure controling signal and are sent to circuit for controlling motor, so as to control stepper motor to add and subtract pressure, power supply electricity
Road is used to provide power supply to whole circuit.
It is pointed out that the static force sensor described in all embodiments of the utility model is not limited to shape and dynamometry
Principle, every pressure sensor that can apply to poidometer or pressure meter, as long as range and precision are suitable, in this practicality
Within new protection domain.The preferably high-accuracy stepper motor of pulse image sensor described in the utility model carries out pressure control.
The connection of two structure members described in the utility model can include being fixedly connected, and can also include being detachably connected.
More than, embodiment of the present utility model is illustrated.But, the utility model is not limited to above-mentioned implementation
Mode.It is all it is of the present utility model spirit and principle within, any modifications, equivalent substitutions and improvements done etc. should be included in
Within protection domain of the present utility model.
Claims (10)
1. a kind of pulse image sensor for demarcating static force, it is characterised in that the pulse image sensor includes：
Static force sensor, for measuring the pressure that pulse image sensor during diagnosis by feeling the pulse applies to human body position to be detected；
Dynamic force snesor, for measuring dynamic force during beat pulse during diagnosis by feeling the pulse；
Wherein, dynamic force snesor includes housing, and the sensor body and flexible conductor element being arranged on housing, flexible
Conducting subassembly contacts setting with sensor body, and flexible conductor element can be such that the sensing contact surface of dynamic force snesor is treated with human body
Detection position is fully fitted and equably conducts pressure to sensor body, to realize the measurement of dynamic force；
The housing of dynamic force snesor is connected with static force sensor, for by pressure conduction to static force sensor, to realize
The measurement of static force.
2. the pulse image sensor according to claim 1 for demarcating static force, it is characterised in that the dynamic force snesor
For array-type flexible sensor, array-type flexible sensor includes flexible sensor film and array-type flexible sensor support
Body, flexible sensor film is arranged on array-type flexible sensor support body bottom, and flexible sensor film is dispersed with multiple pressures
Power senses contact point, and flexible sensor film is fitted with human body wrist when using, and carries out dynamic force and threedimensional haptic information measurement；
Array-type flexible sensor also includes soft filler, and soft filler is arranged on the cavity of array-type flexible sensor support body
It is interior.
3. the pulse image sensor according to claim 1 for demarcating static force, it is characterised in that sensor body is sensing
Device piece, sensor chip is overlapped on enclosure interior in arm form of hanging oneself from a beam, and flexible conductor element is filled in enclosure interior and and sensor
Piece is contacted, and power is transmitted on sensor chip.
4. the pulse image sensor according to claim 3 for demarcating static force, it is characterised in that the flexible conductor element
For conduction liquid, conduction liquid is arranged on the bottom of flexible shell, sensor chip be arranged on the top of conduction liquid and with conduction
Liquid is contacted, and conduction liquid can be transferred force on sensor chip.
5. the pulse image sensor according to claim 4 for demarcating static force, it is characterised in that the housing is flexible shell
Body, the bottom of flexible shell is formed with the liquid filling being formed with liquid storage space, the side wall in liquid storage space for injecting conduction liquid
Lid is connected with the top of hole, flexible shell, sensor chip is arranged between liquid storage space and upper lid.
6. the pulse image sensor according to claim 1 for demarcating static force, it is characterised in that the dynamic force snesor
For pressure capacitance type sensor, the pressure capacitance type sensor includes at least three electrode layers being cascading, wherein, each two phase
Flexible dielectric layer, and the opposite polarity of each two adjacent electrode layer are provided between adjacent electrode layer.
7. the pulse image sensor for demarcating static force according to any one of claim 1-6, it is characterised in that described quiet
State force snesor is strain gauge load cell, piezoresistive transducer or pressure sensor for micro electro-mechanical system.
8. the pulse image sensor according to claim 7 for demarcating static force, it is characterised in that the static force sensor
For strain gauge load cell, strain gauge load cell includes pressure conduction body, strain elastomer and at least one foil gauge；
Wherein, the foil gauge is attached on the strain elastomer, and described pressure conduction body one end connects with the dynamic force snesor
Connect, the other end is connected with the strain elastomer, so that by static force from the dynamic force sensor conductive to the strain bullet
Property body, after the strain elastomer is deformed upon, the superincumbent foil gauge of attaching can be driven to deform upon, pass through and detect strain
The deformation of piece carries out the measurement of static force.
9. the pulse image sensor according to claim 1 for demarcating static force, it is characterised in that also including Buffer Unit,
Buffer Unit is connected with dynamic force snesor and/or static force sensor, for reducing the interference that outside shake is measured diagnosis by feeling the pulse
And prevent the skew of measurement position.
10. a kind of pulse condition collecting device, it is characterised in that the pulse condition collecting device is included such as any one of claim 1 to 9 institute
The pulse image sensor stated, and for accommodating the shell of the pulse image sensor.
Applications Claiming Priority (2)
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|---|---|---|---|
| CN2016102436029 | 2016-04-18 | ||
| CN201610243602 | 2016-04-18 |
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| CN201610751493.1A Pending CN106108865A (en) | 2016-04-18 | 2016-08-29 | A kind of pulse image sensor demarcating static force and pulse condition collecting device |
| CN201620976042.3U Expired - Fee Related CN206434314U (en) | 2016-04-18 | 2016-08-29 | A kind of pulse image sensor for demarcating static force, pulse condition collecting device and pulse-tracing collection circuit |
| CN201620976091.7U Expired - Fee Related CN206315079U (en) | 2016-04-18 | 2016-08-29 | A kind of pulse image sensor and pulse condition collecting device for demarcating static force |
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| CN201620976042.3U Expired - Fee Related CN206434314U (en) | 2016-04-18 | 2016-08-29 | A kind of pulse image sensor for demarcating static force, pulse condition collecting device and pulse-tracing collection circuit |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107782479A (en) * | 2017-12-05 | 2018-03-09 | 四川新源生物电子科技有限公司 | A kind of Irregular Boundary Surface pressure test structure of the various states of adaptive human body |
| CN107782479B (en) * | 2017-12-05 | 2024-04-19 | 四川新源生物电子科技有限公司 | Irregular curved surface pressure test structure of various states of self-adaptation human body |
| CN108645733A (en) * | 2018-05-14 | 2018-10-12 | 南京邮电大学 | A kind of touch sensor for measuring biological tissue elasticity modulus |
| CN108645733B (en) * | 2018-05-14 | 2021-09-14 | 南京邮电大学 | Touch sensor for measuring elastic modulus of biological tissue |
| CN113916418A (en) * | 2021-11-05 | 2022-01-11 | 连云港杰瑞电子有限公司 | Force sensitive sensor with flexible structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN206434314U (en) | 2017-08-25 |
| CN106108865A (en) | 2016-11-16 |
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