CN108120865A - A kind of high sensitivity safety electric flow sensor - Google Patents
A kind of high sensitivity safety electric flow sensor Download PDFInfo
- Publication number
- CN108120865A CN108120865A CN201711365590.8A CN201711365590A CN108120865A CN 108120865 A CN108120865 A CN 108120865A CN 201711365590 A CN201711365590 A CN 201711365590A CN 108120865 A CN108120865 A CN 108120865A
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- sensor
- high sensitivity
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- 230000035945 sensitivity Effects 0.000 title claims abstract description 24
- 238000004804 winding Methods 0.000 claims abstract description 12
- 230000006835 compression Effects 0.000 claims abstract description 9
- 238000007906 compression Methods 0.000 claims abstract description 9
- 239000012212 insulator Substances 0.000 claims description 32
- 239000000919 ceramic Substances 0.000 claims description 17
- 238000009413 insulation Methods 0.000 claims description 9
- 238000005192 partition Methods 0.000 claims description 7
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 6
- 238000005259 measurement Methods 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002463 transducing effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
- G01R15/20—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices, i.e. measuring a magnetic field via the interaction between a current and a magnetic field, e.g. magneto resistive or Hall effect devices
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The invention discloses a kind of high sensitivity safety electric flow sensors, including sensor body, sensor body bottom is installed with axle bed, sensor body one side is provided with using sensor body center as symmetrical through hole, the quantity of through hole is two, sensor body inner wall bottom is fixedly connected with housing, housing exterior walls both sides are both provided with the connector inside sensor body, inner walls one side is connected with cell winding away from sensor body one end, cell winding one side is equipped with the casing being connected with housing, inside pipe casing center position is fixedly connected with component, component one end is through casing and extends on sensor body inner wall, the component other end is connected with the element of transducer positioned inside pipe casing, element of transducer both sides are equipped with the compression spring for being placed in rectangular array between connector.Advantageous effect：The sensitivity of sensor is effectively raised, can be selective mobile according to the position of measurement object, have a wide range of application.
Description
Technical field
The present invention relates to sensor technical field, it particularly relates to a kind of high sensitivity safety electric flow sensor.
Background technology
Current sensor is a kind of detection device, can experience the information of tested electric current, and can will detect the letter experienced
Breath is for conversion into the electric signal for meeting certain standard needs or the information output of other required forms, to meet according to certain rules
The requirements such as transmission, processing, storage, display, record and the control of information.Current sensor is also referred to as Magnetic Sensor, can be in family expenses
Electric appliance, intelligent grid, electric car, wind-power electricity generation etc. all use many Magnetic Sensors in we live, such as computer is hard
Disk, compass, household electrical appliance etc..
With the development and progress of society, the fast development of electronic field is huge to the consumption of current sensor, and electric current passes
Sensor is also more being used by staff extensively, and current current sensor structure is single, and function is relatively simple, measures model
It encloses small, it is impossible to which according to the position of measurement object, selectivity is mobile, and the sensitivity of sensor is poor, reduces current sensor
Practicability.
The problem of in correlation technique, currently no effective solution has been proposed.
The content of the invention
The problem of in correlation technique, the present invention propose a kind of high sensitivity safety electric flow sensor, existing to overcome
There is the above-mentioned technical problem present in correlation technique.
The technical proposal of the invention is realized in this way：
A kind of high sensitivity safety electric flow sensor, including sensor body, peace is fixed in the sensor body bottom
Equipped with axle bed, the groove being adapted with the axle bed is connected at the axle bed bottom centre, the sensor body one side is set
It is equipped with using the sensor body center as symmetrical through hole, the quantity of the through hole is two, the sensor body inner wall
Bottom is fixedly connected with housing, and the housing exterior walls both sides are both provided with the connector inside the sensor body, institute
It states inner walls one side and is connected with cell winding away from described sensor body one end, the cell winding one side is equipped with
The casing being connected with the housing is fixedly connected with component at described sleeve pipe inner hub location, and described component one end is run through
Described sleeve pipe is simultaneously extended on the sensor body inner wall, and the component other end is connected with changing inside described sleeve pipe
Can device element, the element of transducer both sides are equipped with the compression spring for being placed in rectangular array between the connector, described
Vibrator is fixedly connected between compression spring and described sleeve pipe inner wall, the case top is connected with sensing device, the biography
Induction device includes insulator, and the insulator one side is connected with mounting groove, and the insulator opposite side is connected with voltage-stablizer, described
The front surface of insulator is connected with shielding shell, is provided with what is be connected with the insulator outer wall on the shielding outer casing inner wall
Ring concentrator, the ring concentrator center position are installed with shading ring, and one end is close to the shielding shell on the shading ring
One side is provided with using the shading ring center as symmetrical electric current input lead and electric current output lead, the insulator inner wall one
Side is equipped with ceramic cover plate and the circuit board assemblies on the ceramic cover plate, is located at the pottery on the insulator inner wall
Porcelain cover board both sides are respectively connected with magnetic sensor chips, described magnetic sensor chips one end be equipped with in the ceramic cover plate
The positioning region that wall is connected, the magnetic sensor chips one side are connected with Hall member away from described ceramic cover plate inner wall one end
Part, the plug connector being provided at the top of the Hall element inside the insulator, the mounting groove and the insulator it
Between be installed with partition plate.
Further, the sensor body one side is provided with the logo mask between the through hole.
Further, the component both sides are equipped with the accommodating chamber inside described sleeve pipe.
Further, it is fixedly connected between the housing and the sensing device inside the sensor body
Fixed plate.
Further, the insulator foot is connected with sealing ring on the ring concentrator.
Further, the insulator inner wall one side is provided with the insulation film being connected with the positioning region.
Further, it is connected with the mounting hole being adapted with the mounting groove on the mounting groove.
Further, the mounting groove one side is connected with micro actuator close to described partition plate one end.
Beneficial effects of the present invention are：By being printed on logo mask in sensor body, the technology of sensor can be shown
Parameter, convenient for the observation of staff, when the position for measuring object shifts, when influencing the detection of sensor, casing
The component of upper cell winding connection, coordinates the compression spring on vibrator, can help component calibration position automatically, be moved to conjunction
Suitable axial path scope, the insulation film of the ceramic cover plate fitted seal circle connection set on current sensor can allow sensing
The heat-insulating property of device is improved, and the Hall element of electric current input lead connection can be detected caused by the magnetic field of electric current generation
Current information, one can be carried out when being subject to supply voltage and electric current is unstable for Hall element and set the tone by shielding shell and voltage-stablizer
Section, so as to which the detection on sensor be avoided to influence, the magnetic sensor chips that ring concentrator is connected with positioning region, by circuit board assemblies
Package, is increased the sensitivity of current sensor, avoids having an impact sensor due to temperature change, such device is significantly
Work efficiency is added, ensure that the practicability of high sensitivity safety electric flow sensor, effectively raises the spirit of sensor
Quick property, can be selective mobile according to the position of measurement object, has a wide range of application.
Description of the drawings
It in order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the present invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the structure diagram of high sensitivity safety electric flow sensor according to embodiments of the present invention；
Fig. 2 is the diagrammatic cross-section of the positive apparent direction of sensor body according to embodiments of the present invention；
Fig. 3 is the front view of sensing device according to embodiments of the present invention；
Fig. 4 is the diagrammatic cross-section of Fig. 3 according to embodiments of the present invention.
In figure：
1st, sensor body；2nd, axle bed；3rd, groove；4th, through hole；5th, housing；6th, connector；7th, cell winding；8th, cover
Pipe；9th, component；10th, element of transducer；11st, spring is compressed；12nd, vibrator；13rd, sensing device；14th, insulator；15th, install
Slot；16th, voltage-stablizer；17th, shell is shielded；18th, ring concentrator；19th, shading ring；20th, electric current input lead；21st, electric current output lead；
22nd, ceramic cover plate；23rd, circuit board assemblies；24th, magnetic sensor chips；25th, positioning region；26th, Hall element；27th, plug connector；
28th, partition plate；29th, logo mask；30th, accommodating chamber；31st, fixed plate；32nd, sealing ring；33rd, insulation film；34th, mounting hole；35th, finely tune
Device.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art's all other embodiments obtained belong to what the present invention protected
Scope.
According to an embodiment of the invention, a kind of high sensitivity safety electric flow sensor is provided.
As shown in Figs 1-4, high sensitivity safety electric flow sensor according to embodiments of the present invention, including sensor body
1,1 bottom of sensor body is installed with axle bed 2, is connected at 2 bottom centre of axle bed and is fitted with 2 phase of axle bed
The groove 3 matched somebody with somebody, 1 one side of sensor body are provided with using 1 center of sensor body as symmetrical through hole 4, described logical
The quantity in hole 4 is two, and the 1 inner wall bottom of sensor body is fixedly connected with housing 5, and the 5 outer wall both sides of housing are all provided with
The connector 6 being equipped with inside the sensor body 1, the 5 inner wall one side of housing is away from described 1 one end of sensor body
Cell winding 7 is connected with, 7 one side of cell winding is equipped with the casing 8 being connected with the housing 5, described sleeve pipe 8
Component 9 is fixedly connected at inner hub location, described 9 one end of component is through described sleeve pipe 8 and extends to the sensor sheet
On 1 inner wall of body, 9 other end of component is connected with the element of transducer 10 inside described sleeve pipe 8, the element of transducer
10 both sides are equipped with the compression spring 11 for being placed in rectangular array between the connector 6, the compression spring 11 and the set
Vibrator 12 is fixedly connected between 8 inner wall of pipe, 5 top of housing is connected with sensing device 13, and the sensing device 13 wraps
Insulator 14 is included, 14 one side of insulator is connected with mounting groove 15, and 14 opposite side of insulator is connected with voltage-stablizer 16, institute
State insulator 14 front surface be connected with shielding shell 17, it is described shielding 17 inner wall of shell on be provided with outside the insulator 14
The ring concentrator 18 that wall is connected, 18 center position of ring concentrator are installed with shading ring 19, one on the shading ring 19
End is provided with close to 17 one side of the shielding shell using 19 center of shading ring as symmetrical electric current input lead 20 and electric current
Output lead 21, the 14 inner wall one side of insulator are equipped with ceramic cover plate 22 and the circuit on the ceramic cover plate 22
Plate component 23 is respectively connected with magnetic sensor chips 24, institute on 14 inner wall of insulator positioned at 22 both sides of ceramic cover plate
It states 24 one end of magnetic sensor chips and the positioning region 25 being connected with 22 inner wall of ceramic cover plate, the magnetic transducing is installed
24 one side of device chip is connected with Hall element 26 away from described 22 inner wall one end of ceramic cover plate, and 26 top of Hall element is set
There is the plug connector 27 inside the insulator 14, partition plate is installed between the mounting groove 15 and the insulator 14
28。
In addition, in one embodiment, 1 one side of sensor body is provided with the mark between the through hole 4
The marking 29, logo mask 29 can show sensor body 1 relevant technical parameter, and 9 both sides of component, which are equipped with, to be located at
Accommodating chamber 30 inside described sleeve pipe 8 is fixedly connected between the housing 5 and the sensing device 13 positioned at the sensor
Fixed plate 31 inside body 1,14 bottom of insulator are connected with sealing ring 32, the insulation on the ring concentrator 18
14 inner wall one side of body is provided with the insulation film 33 being connected with the positioning region 25, and sealing ring 32 coordinates insulation film 33 that can enhance
The heat insulation effect of sensor avoids the variation due to ambient temperature and sensor detection is had an impact.
In addition, in one embodiment, the mounting hole being adapted with the mounting groove 15 is connected on the mounting groove 15
34,34 one side of mounting groove is connected with micro actuator 35 close to described 28 one end of partition plate, and the addition of micro actuator 35 can be to power supply
Certain compensation is done in the variation of voltage, and the through hole 4 in sensor body 1 is object of taking for convenience, on cell winding 7
Connector 6 can increase the effect of the receive information of sensing device 13, and the setting of element of transducer 10 is tested in order to experience
The information of electric current, and the information experienced can will be detected, the electric signal for meeting certain standard needs is for conversion into according to certain rules
Or the information output of other required forms.
In addition, can be collection for the electric current output lead 8 connected on shielding shell 17 in one embodiment
Play the role of conduction connection between magnet ring 18 and circuit board assemblies 23, it, can be by electric current certain when external circuitry is closed
In the range of reflect corresponding current field, Hall element 26 coordinates voltage-stablizer 16, enables to current sensor more efficient
The corresponding information of detection electric current and stored, transmitted and shown.
Likewise, in specific application, other relevant technical solutions can also be used to be substituted, for example, fixed connect
The axle bed 2 of effect and the accommodating chamber 30 with protection connection effect are connect, is not just illustrated one by one herein, but for corresponding alternative
Case is also understood in protection scope of the present invention.
In conclusion by means of the present invention above-mentioned technical proposal, by being printed on logo mask 29 in sensor body 1,
It can show the technical parameter of sensor body 1, convenient for the observation of staff, when the position for measuring object shifts,
When influencing the detection of sensor, the component 9 of the connection of cell winding 7, coordinates the compression spring on vibrator 12 on casing 8
11, automatically component 9 can be helped to correct position, be moved to suitable axial path scope, the ceramic cap set on current sensor
The insulation film 33 of 22 fitted seal circle 32 of plate connection, can allow the heat-insulating property of sensor body 1 to be improved, and electric current input is led
The Hall element 26 that line 20 connects can detect current information caused by the magnetic field of electric current generation, shield shell 17 and voltage-stablizer
16 can be that Hall element 26 is centainly adjusted when being subject to supply voltage and electric current is unstable, so as to avoid to sensor
Detection influences, and the magnetic sensor chips 24 that ring concentrator 18 is connected with positioning region 25 wrap up circuit board assemblies 23, increases electric current
The sensitivity of sensor avoids having an impact sensor due to temperature change, and such device considerably increases work effect
Rate ensure that the practicability of high sensitivity safety electric flow sensor, effectively raise the sensitivity of sensor, being capable of basis
It measures the position of object and selective movement, has a wide range of application.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modifications, equivalent replacements and improvements are made should all be included in the protection scope of the present invention god.
Claims (8)
- A kind of 1. high sensitivity safety electric flow sensor, including sensor body (1), which is characterized in that the sensor sheet Body (1) bottom is installed with axle bed (2), be connected at axle bed (2) bottom centre be adapted with the axle bed (2) it is recessed Slot (3), sensor body (1) one side is provided with using the sensor body (1) center as symmetrical through hole (4), described The quantity of through hole (4) is two, and sensor body (1) the inner wall bottom is fixedly connected with housing (5), and the housing (5) is outside Wall both sides are both provided with positioned at the internal connector (6) of the sensor body (1), and housing (5) the inner wall one side is away from institute It states sensor body (1) one end and is connected with cell winding (7), cell winding (7) one side is equipped with and the housing (5) casing (8) being connected is fixedly connected with component (9), described component (9) one end at described sleeve pipe (8) inner hub location It through described sleeve pipe (8) and extends on the sensor body (1) inner wall, component (9) other end is connected with positioned at institute State the internal element of transducer (10) of casing (8), element of transducer (10) both sides be equipped be placed in the connector (6) it Between rectangular array compression spring (11), be fixedly connected with and shake between described compression spring (11) and described sleeve pipe (8) inner wall Dynamic device (12), housing (5) top are connected with sensing device (13), and the sensing device (13) includes insulator (14), institute It states insulator (14) one side and is connected with mounting groove (15), insulator (14) opposite side is connected with voltage-stablizer (16), described exhausted The front surface of edge body (14) is connected with shielding shell (17), is provided with and the insulator on described shielding shell (17) inner wall (14) ring concentrator (18) that outer wall is connected, ring concentrator (18) center position is installed with shading ring (19), described One end is provided with close to described shielding shell (17) one side using the shading ring (19) center as symmetrical electricity on shading ring (19) Flow input lead (20) and electric current output lead (21), insulator (14) the inner wall one side be equipped with ceramic cover plate (22) and Circuit board assemblies (23) on the ceramic cover plate (22) are located at the ceramic cover plate on insulator (14) inner wall (22) both sides are respectively connected with magnetic sensor chips (24), and described magnetic sensor chips (24) one end is equipped with and the ceramics The positioning region (25) that cover board (22) inner wall is connected, magnetic sensor chips (24) one side is away from the ceramic cover plate (22) Inner wall one end is connected with Hall element (26), is provided at the top of the Hall element (26) positioned at the insulator (14) inside Plug connector (27) is installed with partition plate (28) between the mounting groove (15) and the insulator (14).
- A kind of 2. high sensitivity safety electric flow sensor according to claim 1, which is characterized in that the sensor sheet Body (1) one side is provided with the logo mask (29) between the through hole (4).
- A kind of 3. high sensitivity safety electric flow sensor according to claim 1, which is characterized in that the component (9) Both sides are equipped with positioned at the internal accommodating chamber (30) of described sleeve pipe (8).
- A kind of 4. high sensitivity safety electric flow sensor according to claim 1, which is characterized in that the housing (5) It is fixedly connected between the sensing device (13) positioned at the internal fixed plate (31) of the sensor body (1).
- A kind of 5. high sensitivity safety electric flow sensor according to claim 1, which is characterized in that the insulator (14) bottom is connected with sealing ring (32) on the ring concentrator (18).
- A kind of 6. high sensitivity safety electric flow sensor according to claim 5, which is characterized in that the insulator (14) inner wall one side is provided with the insulation film (33) being connected with the positioning region (25).
- A kind of 7. high sensitivity safety electric flow sensor according to claim 1, which is characterized in that the mounting groove (15) mounting hole (34) being adapted with the mounting groove (15) is connected on.
- A kind of 8. high sensitivity safety electric flow sensor according to claim 7, which is characterized in that the mounting groove (34) one side is connected with micro actuator (35) close to the partition plate (28) one end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711365590.8A CN108120865A (en) | 2017-12-18 | 2017-12-18 | A kind of high sensitivity safety electric flow sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711365590.8A CN108120865A (en) | 2017-12-18 | 2017-12-18 | A kind of high sensitivity safety electric flow sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108120865A true CN108120865A (en) | 2018-06-05 |
Family
ID=62230276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711365590.8A Pending CN108120865A (en) | 2017-12-18 | 2017-12-18 | A kind of high sensitivity safety electric flow sensor |
Country Status (1)
| Country | Link |
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| CN (1) | CN108120865A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110221102A (en) * | 2019-07-01 | 2019-09-10 | 江苏科技大学 | A kind of interference of electromagnetic field current sensor |
| CN113960348A (en) * | 2021-09-24 | 2022-01-21 | 国网河北省电力有限公司营销服务中心 | High-precision TMR current sensor for direct current metering |
| CN114184811A (en) * | 2020-09-14 | 2022-03-15 | 英飞凌科技股份有限公司 | Magnetic current sensor integrated into high current connector device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110221102A (en) * | 2019-07-01 | 2019-09-10 | 江苏科技大学 | A kind of interference of electromagnetic field current sensor |
| CN114184811A (en) * | 2020-09-14 | 2022-03-15 | 英飞凌科技股份有限公司 | Magnetic current sensor integrated into high current connector device |
| US11901675B2 (en) | 2020-09-14 | 2024-02-13 | Infineon Technologies Ag | Magnetic current sensor integration into high current connector device |
| CN114184811B (en) * | 2020-09-14 | 2024-04-19 | 英飞凌科技股份有限公司 | Power connector and output stage of power device |
| CN113960348A (en) * | 2021-09-24 | 2022-01-21 | 国网河北省电力有限公司营销服务中心 | High-precision TMR current sensor for direct current metering |
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