CN206865377U - A kind of crossing mechanical energy conversion storage, alarming device - Google Patents
A kind of crossing mechanical energy conversion storage, alarming device Download PDFInfo
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- CN206865377U CN206865377U CN201720764600.4U CN201720764600U CN206865377U CN 206865377 U CN206865377 U CN 206865377U CN 201720764600 U CN201720764600 U CN 201720764600U CN 206865377 U CN206865377 U CN 206865377U
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Abstract
The utility model discloses a kind of crossing mechanical energy conversion storage, alarming device, highway surface layer is arranged on between road base layer, including being arranged on the upper surface shell concordant with road surface, being provided with piezoelectric energy-conversion module, control module and energy-storage module in shell, alarm module is additionally provided with shell, the bottom of enclosure is additionally provided with damping unit, piezoelectric energy-conversion module is connected by control module with energy-storage module, and energy-storage module is connected by control module with alarm module.Damping unit is mainly used in reducing vertical displacement, limits vertical maximum displacement, ensures that piezoelectric energy-conversion module, control module and energy-storage module will not be destroyed because deforming excessive, and pedestrian, vehicle pass through without producing sense of jolting.The utility model has the advantage of：The problem of which solving the pedestrian and driver that current crossing can not be warned actively in real time, reduce fork in the road traffic accident probability of happening.
Description
Technical field
Traffic auxiliary Tools Technology is the utility model is related to, in particular to the one kind being used cooperatively with traffic lights
Crossing mechanical energy conversion storage, alarming device.
Background technology
Pedestrian running red light is phenomenon common at present when going across the road, and such behavior can produce huge hidden trouble of traffic, draw
Send out traffic accident many.For the current management of specification Zebra crossing pedestrian, more and more much, the middle city personnel that arrange work are artificial
Guide management, but need to put into substantial amounts of man power and material.
Because fork in the road environment is complicated, traffic accident probability highest, therefore improves traffic, reduce traffic accident
Rate is extremely urgent.Existing crossing only has the effect for prompting pedestrian, driver, lacks the function of warning in real time.
Utility model content
The purpose of this utility model is sought to provide a kind of crossing mechanical energy conversion storage, alarming device, and it can be incited somebody to action
Mechanical energy is converted into electricity collection, and warns pedestrian and vehicular traffic, has and extends Road Service Life, reduces traffic accident
The effect of probability of happening.
To achieve the above object, a kind of crossing mechanical energy conversion storage designed by the utility model, alarming device,
Be arranged between highway surface layer and road base layer, including be arranged on the shell on road surface, be provided with the shell piezoelectric energy-conversion module,
Control module and energy-storage module, alarm module are additionally provided with the shell, the bottom of the shell is additionally provided with damping unit, described
Piezoelectric energy-conversion module is connected by control module with energy-storage module, and the energy-storage module is connected by control module and alarm module
It is logical.Damping unit is mainly used in reducing vertical displacement, limits vertical maximum displacement, ensures piezoelectric energy-conversion module, control module
It will not be destroyed with energy-storage module because deforming excessive, and pedestrian, vehicle pass through without producing sense of jolting.
Further, the piezoelectric energy-conversion module includes multiple PZT (piezoelectric transducer)s, multiple uniform cloth of PZT (piezoelectric transducer)
Put the inner top surface in shell.
Further, the piezoelectric energy-conversion module also includes multiple interlayers, and the PZT (piezoelectric transducer) is evenly arranged in adjacent
Between two interlayers.
Further, the both ends of the interlayer are additionally provided with the limiter of limitation interlayer vertical displacement.Limiter is used to limit
Interlayer vertical displacement processed, main function are to make the PZT (piezoelectric transducer) uniform stressed between each interlayer.
Further, inner casing is additionally provided with the shell, the inner shell bottom is connected with outer casing bottom, the shell bottom
Portion is fixed in road base layer, and the piezoelectric energy-conversion module is arranged between shell inner top surface and the outer top surface of inner casing, the control
Module and energy-storage module are arranged in inner casing.
Further, the PZT (piezoelectric transducer) includes two panels metal cap and piezoelectric ceramics, and the piezoelectric ceramics is arranged on two
Between piece metal cap.Metal cap is copper material, is attached to piezoelectric ceramics upper and lower surface, metal cap main function is will be vertical
Axial force is converted to radial load as far as possible, improves the fatigue strength and compression strength of PZT (piezoelectric transducer).Piezoelectric ceramics material
Expect that for PZT -5H of circle, main function is that the piezoelectric ceramics for having piezo-electric effect by impact load deforms, by this portion
The mechanical energy of impact load is divided to be converted to electric energy.
Further, the control module includes setting stable-pressure device on circuit boards, and the control module passes through
The unstable electric energy that piezoelectric energy-conversion module is passed to is converted to stable electric energy and incoming energy-storage module energy storage by stable-pressure device.
Further, the alarm module includes warning lamp, photo resistance, and the piezoelectric energy-conversion module also includes pressure-sensitive electricity
Resistance, the photo resistance and piezo-resistance connect with control module.
As preference, the alarm module has multiple, and multiple alarm modules are uniformly arranged on the outer top surface of shell
Surrounding.
As preference, the outer top surface of the shell is concordant with road surface.
The utility model has the advantage of：Which solve pedestrian that current crossing can not warn actively in real time with
The problem of driver, reduce fork in the road traffic accident probability of happening.On the other hand, it is at crossing, for replacing people's row
Lateral road, the vibrational energy at this is absorbed, the mechanical energy conversion that this is dissipated with form of thermal energy is stored, reduces the ground at this
Temperature, contribute to prolonging service life of pavement, reduce differential settlement.
Brief description of the drawings
Fig. 1 is schematic top plan view of the present utility model；
Fig. 2 is Section A-A schematic diagram in Fig. 1；
Fig. 3 is section B-B schematic diagram in Fig. 1；
Fig. 4 is the schematic top plan view of PZT (piezoelectric transducer)；
Fig. 5 is the schematic elevation view of PZT (piezoelectric transducer)；
Fig. 6 is use state diagram of the present utility model；
Fig. 7 is principle flow chart of the present utility model.
Fig. 8 is the utility model circuit equivalent model.
In figure：Shell 1, piezoelectric energy-conversion module 2 are (wherein：PZT (piezoelectric transducer) 2.1, metal cap 2.1.1, piezoelectric ceramics
2.1.2, interlayer 2.2, limiter 2.3), control module 3, energy-storage module 4, alarm module 5 (wherein：Warning lamp 5.1), damping dress
Put 6, inner casing 7, road base layer (8), highway surface layer (9).
Embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings：
A kind of crossing mechanical energy conversion storage as shown in figs. 1 to 6, alarming device, it is arranged on the public affairs of highway surface layer 9
In base course 8, it is characterised in that：Including being arranged on the shell 1 on road surface, top surface on outer top surface and the highway surface layer 9 of the shell 1
Concordantly, the bottom surface of shell 1 contacts with road base layer 8.Piezoelectric energy-conversion module 2, control module 3 and storage are provided with the shell 1
Can module 4 and inner casing 7, be additionally provided with alarm module 5 on the shell 1, the bottom of the shell 1 is additionally provided with damping unit 6, institute
State piezoelectric energy-conversion module 2 to connect with energy-storage module 4 by control module 3, the energy-storage module 4 passes through control module 3 and warning
Module 5 connects.The piezoelectric energy-conversion module 2 includes multiple PZT (piezoelectric transducer)s 2.1, multiple 2.1 uniform cloth of PZT (piezoelectric transducer)
Put the inner top surface in shell 1.The piezoelectric energy-conversion module 2 also includes multiple interlayers 2.2, the 2.1 uniform cloth of PZT (piezoelectric transducer)
Put between adjacent two interlayer 2.2.The both ends of the interlayer 2.2 are additionally provided with the limiter 2.3 of the limitation vertical displacement of interlayer 2.2.
Inner casing 7 is additionally provided with the shell 1, the inner casing 7 is fixed on the inner bottom of shell 1, and the piezoelectric energy-conversion module 2 is arranged on outer
Between 7 outer top surface of the inner top surface of shell 1 and inner casing, the control module 3 and energy-storage module 4 are arranged in inner casing 7.The piezoelectric energy-conversion
Device 2.1 includes two panels metal cap 2.1.1 and piezoelectric ceramics 2.1.2, the piezoelectric ceramics 2.1.2 are arranged on two panels metal cap
Between 2.1.1.The control module 3 includes setting stable-pressure device on circuit boards, and the control module 3 passes through stable-pressure device
The unstable electric energy that piezoelectric energy-conversion module 2 is passed to is converted into stable electric energy and the incoming energy storage of energy-storage module 4.The warning mould
Block 5 includes warning lamp 5.1, photo resistance, and the piezoelectric energy-conversion module 2 also includes piezo-resistance, the photo resistance and pressure-sensitive
Resistance connects with control module 3.The alarm module 5 has multiple, and multiple alarm modules 5 are uniformly arranged on shell 1
Inside circumference.
Such as Fig. 7, when the utility model actually uses：
According to highway current specifications, it is up to 0.7MPa that motor-driven axletree, which carries,.According to practice have shown that, it is public in the case where running at a low speed
For road point-to-point transmission differential settlement within 9mm, occupant, which jolts, feels unobvious.
Cymbal type PZT (piezoelectric transducer) piezoelectric ceramics 2.1.2 radial deformations and axle can be obtained according to the first kind and the 4th class piezoelectric equations
To the functional relation between deformation,
S in above formula in above formular、Sθ、SzRespectively three directions of the cylindrical coordinates of piezoelectric vibrator answering radially, on tangential, axial direction
Become component；Tr、Tθ、TzFor the components of stress on piezoelectric vibrator；sE 11,sE 12、sE 13For the elastic compliance constant component of piezoelectric vibrator；
d31、d33For the piezoelectric constant component of piezoelectric vibrator；EZFor axial electric field strength.
Metal cap stress formula is obtained according to disc spring is theoretical：
Wherein E is metal money piece modulus of elasticity；U is metal money piece Poisson's ratio.
Control module 3 includes synchro switch inductive circuit in parallel and DC/DC converters.Synchro switch inductive circuit in parallel
Input is connected with electric energy output end of piezoelectric element, for alternating current caused by piezoelectric element to be converted into direct current.DC/
DC converters connect with synchro switch inductive circuit in parallel, for adjusting by the voltage and electricity of full circuit bridge fairing output
Stream.Device for power switching is in DC/DC converters, for performing the instruction of control signal reception and registration.
Such as Fig. 8, according to synchro switch inductive circuit principle in parallel, bridge rectifier and cymbal shape PZT (piezoelectric transducer) in circuit
Between shunt inductance and switch.Synchro switch inductive circuit in parallel is led to by closing or disconnecting during transducer output voltage peak value
Cross L-C oscillating circuits principle and extend the charging interval.
Theoretical and Ansys finite elements carry out sunykatuib analysis more than：Diameter 32mm, cavity heights 1mm, piezoelectric ceramics
2.1.2 thickness is 4mm cymbal type PZT (piezoelectric transducer), and applying highest axle on single assembly every time carries, and each PZT (piezoelectric transducer) can
38.8mW electric energy is exported, single assembly exports about 13W electric energy altogether.Alternating current is converted to direct current by control module 3, and
Direct current is output into energy-storage module 4 to store.
Realize that high efficiency conversion collecting mechanical energy comprises the following steps：
When pedestrian, vehicle pass through the crossing of the laying present apparatus, pedestrian tramples the impulsive load rolled with vehicle and acted on
The upper surface of shell 1, damping unit 6 mutually slide with inner casing 7, therefore the downward vertical rigid body of entirety occurs with whole upper surface
Displacement, damping unit 6 are connected with the lower surface of shell 1, and the lower surface of shell 1 contacts with road base layer 8, therefore vertical position does not occur
Move, caused vertical displacement difference will produce compatible deformation with piezoelectric energy-conversion module 2, and PZT (piezoelectric transducer) 2.1 will produce ripple
Dynamic amplitude larger voltage and electric current, control module 3 stablize PZT (piezoelectric transducer) 2.1 because of voltage x current caused by deformation, and will
It is stored into energy-storage module 4.
When displacement reaches certain numerical value, because damping unit 6 acts, it will the limitation vertical displacement of damping unit 6,
Similarly, the voltage x current that can be still stablized, and stored.Due to being connected with photo resistance and pressure-sensitive electricity in control module 3
Resistance, when daytime pedestrian, vehicle by laying the present apparatus crossing when, control module 3 control energy-storage module 4 store piezoelectric energy-conversion
Device 2.1 change electric energy, now photo resistance control circuit only store energy.In night pedestrian, vehicle by laying the present apparatus
Crossing when, control module 3 control energy-storage module 4 storage electric energy, simultaneously because photo resistance is ineffective at night, OK
People, vehicle triggering piezo-resistance, make alarm module 5 glisten, warning periphery pedestrian, driver：Now there are pedestrian or vehicle herein
Pass through crossing；If will in a dormant state without the present apparatus, alarm module 5 in night pedestrian, vehicle.
Finally it is pointed out that above example is only the more representational example of the utility model.Obviously, this practicality is new
Type is not limited to above-described embodiment, can also there is many deformations.Every technical spirit according to the present invention is done to above example
Any simple modifications, equivalents, and modifications, be considered as belonging to the scope of protection of the utility model.
Claims (10)
1. a kind of crossing mechanical energy conversion storage, alarming device, are arranged between highway surface layer (9) and road base layer (8),
It is characterized in that：Shell (1), the shell (1) including being arranged on road surface are interior to be provided with piezoelectric energy-conversion module (2), control module
(3) alarm module (5) and energy-storage module (4), is additionally provided with the shell (1), the bottom of the shell (1) is additionally provided with damping dress
Put (6), the piezoelectric energy-conversion module (2) is connected by control module (3) with energy-storage module (4), and the energy-storage module (4) passes through
Control module (3) connects with alarm module (5).
2. a kind of crossing mechanical energy conversion storage according to claim 1, alarming device, it is characterised in that：It is described
Piezoelectric energy-conversion module (2) includes multiple PZT (piezoelectric transducer)s (2.1), and multiple PZT (piezoelectric transducer)s (2.1) are evenly arranged in shell
(1) inner top surface.
3. a kind of crossing mechanical energy conversion storage according to claim 2, alarming device, it is characterised in that：It is described
Piezoelectric energy-conversion module (2) also includes multiple interlayers (2.2), and the PZT (piezoelectric transducer) (2.1) is evenly arranged in adjacent two interlayer
(2.2) between.
4. a kind of crossing mechanical energy conversion storage according to claim 3, alarming device, it is characterised in that：It is described
The both ends of interlayer (2.2) are additionally provided with the limiter (2.3) of limitation interlayer (2.2) vertical displacement.
5. a kind of crossing mechanical energy conversion storage according to any one in Claims 1 to 4, alarming device, its
It is characterised by：Inner casing (7) is additionally provided with the shell (1), shell (1) bottom is fixed in road base layer, the piezoelectricity
Inverting model (2) is arranged between shell (1) inner top surface and inner casing (7) outer top surface, the control module (3) and energy-storage module
(4) it is arranged in inner casing (7).
6. a kind of crossing mechanical energy conversion storage according to claim 5, alarming device, it is characterised in that：It is described
PZT (piezoelectric transducer) (2.1) includes two panels metal cap (2.1.1) and piezoelectric ceramics (2.1.2), and the piezoelectric ceramics (2.1.2) is set
Between two panels metal cap (2.1.1).
7. a kind of crossing mechanical energy conversion storage according to claim 6, alarming device, it is characterised in that：It is described
Control module (3) includes setting stable-pressure device on circuit boards, and the control module (3) is by stable-pressure device by piezoelectric energy-conversion
The incoming unstable electric energy of module (2) is converted to stable electric energy and incoming energy-storage module (4) energy storage.
8. a kind of crossing mechanical energy conversion storage according to claim 7, alarming device, it is characterised in that：It is described
Alarm module (5) includes warning lamp (5.1), photo resistance, and the piezoelectric energy-conversion module (2) also includes piezo-resistance, the light
Quick resistance and piezo-resistance connect with control module (3).
9. a kind of crossing mechanical energy conversion storage according to claim 8, alarming device, it is characterised in that：It is described
Alarm module (5) has multiple, and multiple alarm modules (5) are uniformly arranged on the inside circumference of shell (1), its top and shell
(1) it is concordant.
10. a kind of crossing mechanical energy conversion storage according to any one in claim 6~9, alarming device, its
It is characterised by：The upper top surface of the shell (1) and highway surface layer (9) either flush.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720764600.4U CN206865377U (en) | 2017-06-28 | 2017-06-28 | A kind of crossing mechanical energy conversion storage, alarming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720764600.4U CN206865377U (en) | 2017-06-28 | 2017-06-28 | A kind of crossing mechanical energy conversion storage, alarming device |
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| Publication Number | Publication Date |
|---|---|
| CN206865377U true CN206865377U (en) | 2018-01-09 |
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ID=60828996
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720764600.4U Expired - Fee Related CN206865377U (en) | 2017-06-28 | 2017-06-28 | A kind of crossing mechanical energy conversion storage, alarming device |
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| CN (1) | CN206865377U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108320528A (en) * | 2018-01-31 | 2018-07-24 | 武汉市政工程设计研究院有限责任公司 | A kind of passive spacing speed dynamic alerts device and method |
-
2017
- 2017-06-28 CN CN201720764600.4U patent/CN206865377U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108320528A (en) * | 2018-01-31 | 2018-07-24 | 武汉市政工程设计研究院有限责任公司 | A kind of passive spacing speed dynamic alerts device and method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180109 Termination date: 20200628 |