CN103888021B - Based on energy collecting system and the method for tyre valve - Google Patents
Based on energy collecting system and the method for tyre valve Download PDFInfo
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- CN103888021B CN103888021B CN201410064131.6A CN201410064131A CN103888021B CN 103888021 B CN103888021 B CN 103888021B CN 201410064131 A CN201410064131 A CN 201410064131A CN 103888021 B CN103888021 B CN 103888021B
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Abstract
The invention discloses a kind of energy collecting system based on tyre valve and method.It comprises electricity energy harvester, wheel hub, tire, electricity energy harvester comprises valve cock, piezoelectric harvester, control circuit board, tire pressure monitoring system sensor, valve cock comprises Valve tip body, first wheel sealing gasket, second hub seal pad, mouth body nut, piezoelectric harvester comprises piezoelectric material layer, spring beam, retainer plate, retainer plate is fixed with one or more spring beam, spring beam posts piezoelectric material layer, cantilever beam end winding support has mass, on Valve tip body, cover has retainer plate, first wheel sealing gasket, the second hub seal pad is installed with again through wheel hub, and be fixed on wheel hub with mouth body nut, Valve tip body end is provided with control circuit board, tire pressure monitoring system sensor.The inefficacy that the present invention can avoid traditional system for detecting tire pressure to cause because of battery life; Reduce battery use amount, favourable protection of the environment simultaneously.
Description
Technical field
The present invention relates to the energy collecting system based on tyre valve and method.Especially, this electricity energy harvester can be applicable to the energy acquisition of tire vibration, thus powers for tire pressure monitoring system.
Background technology
Use and people's go off daily of tire are closely bound up.According to traffic control department related statistical, have 46% to be broken down by tire in the traffic accident on highway and cause, and 70% to be caused by abnormal tyre pressure wherein.Tire pressure monitoring system can in real time too low for pressure of tire, tire pressure is too high, rapid air leakage, tire temperature are too high and battery voltage is too low etc., and situation is carried out monitoring automatically and is reported to the police, the generation of pre-preventing tyre from breaking, increases the fail safe driven a car.Tire pressure monitoring is not only the important way reducing traffic accident, is also the important leverage of traffic safety.
Tire pressure monitoring system needs battery to provide energy resource supply, and the restricted lifetime of battery, be generally 3 ~ 5 years, need to change termly, otherwise tire pressure monitoring system power-off failure makes traffic safety produce hidden danger; And battery has certain pollution to environment, so traditional system for detecting tire pressure also has area for improvement.How the abundant power conversion vibrated in tire running process also collection is powered to tire pressure monitoring system, realizes the reusable edible of green energy resource, causes and pay close attention to widely.
At present, people devise different structures to collect and store the energy of vibration.Patent CN101247096A devises a kind of steel road being placed in inside tires, clashes into piezoelectric patches, vibrational energy dress is changed to electric energy by the rotation of the inner steel ball in steel road.In CN1702952A, researcher devises a kind of piezoelectric vibrator, in vehicle travel process, constantly produce electric charge under the effect of vibration of tire.Also have researcher to propose the concept of pressure energy collection tire, utilize the change of tire pressure to promote the rotation of central shaft blade to produce electric energy.Researcher is placed in inside tires by the different structure of design, utilizes the vibration realizing vibrational energy of tire to electric transformation of energy, then for tire pressure monitoring system is powered.But existing energy acquisition project organization more complicated, implement difficulty large.Due to the tubeless vacuum tire of the many employings of current vehicle, the structure complicated in inside tires design realizes the conversion of vibrational energy to electric energy, and need the structure of changing tire, difficulty of processing is large, and technological requirement is high, and processing cost is high.
Summary of the invention
Needing to regularly replace the shortcoming of battery in order to overcome existing tire pressure monitoring system sensor, the invention provides the energy collecting system based on tyre valve and method.
Energy collecting system based on tyre valve comprises electricity energy harvester, wheel hub, tire, tire is provided with outside wheel hub, wheel hub is provided with electricity energy harvester, electricity energy harvester comprises valve cock, piezoelectric harvester, control circuit board, tire pressure monitoring system sensor, valve cock comprises Valve tip body, first wheel sealing gasket, second hub seal pad, mouth body nut, piezoelectric harvester comprises piezoelectric material layer, spring beam, retainer plate, retainer plate is fixed with one or more spring beam, spring beam posts piezoelectric material layer, cantilever beam end winding support has mass, on Valve tip body, cover has retainer plate, first wheel sealing gasket, the second hub seal pad is installed with again through wheel hub sleeve, and be fixed on wheel hub with mouth body nut, Valve tip body end is provided with control circuit board, tire pressure monitoring system sensor.
The control circuit of described control circuit board is: transformer T input connects piezoelectric harvester 2, output connects full bridge rectifier, rectification circuit comprises four rectifier diode D1, rectifier diode D2, rectifier diode D3, rectifier diode D4, the anode of rectifier diode D1 is connected with one end of transformer T with the negative electrode of rectifier diode D4, the anode of rectifier diode D2 is connected with the other end of transformer T with the negative electrode of rectifier diode D3, rectifier diode D3 is connected with rectifier diode D4 common anode pole and ground connection, rectifier diode D1 is connected one end of filter capacitor C1 with rectifier diode D2 common cathode, the other end of the C1 of filter capacitor connects the anode of rectifier diode D3, connect after a filter resistance R1 and be connected with one end of filter capacitor C2 in one end of filter capacitor C1, the other end of filter capacitor C1 is directly connected in the other end of filter capacitor C2, connect after a current-limiting resistance Rs and be connected with the anode of voltage stabilizing didoe Dz again in one end of filter capacitor C2, the other end of filter capacitor C2 is directly connected with the negative electrode of voltage stabilizing didoe Dz.
Energy-collecting method based on tyre valve is: piezoelectric harvester is fixed on valve cock by retainer plate and is arranged on wheel hub, be positioned at the inside of tire, in vehicle travel process, the vibration of tire will cause the vibration of valve cock, the vibration of valve cock will cause the vibration of the piezoelectric harvester be fixed on valve cock, thus cause one or more elasticity vibration of beam of piezoelectric harvester, because the different position on spring beam is pasted with piezoelectric, this piezoelectric can produce stress when external vibration, due to the stress-electric coupling performance of material, under the effect of stress, upper and lower surface at piezoelectric material layer is produced electric charge, thus the energy of tire vibration is changed into electric energy, powered to tire pressure monitoring sensor by control circuit board again, the electric charge produced by piezoelectric material layer transforms to a 1V-5V alternating voltage by a transformer T, by the rectified action of four rectifier diodes, convert alternating voltage to pulsating dc voltage, pass through the filter action of two filter capacitors and filter resistance again, pulsating dc voltage is changed into direct voltage, finally by the stable DC voltage of a regulation output 1V-5V of current-limiting resistance Rs and voltage stabilizing didoe Dz, realize the energy acquisition of tire vibration and power to tire pressure monitoring sensor 4.
Compared with prior art, the invention has the beneficial effects as follows that this device facilitates available, directly combine with the valve cock of tire, easy for installation, apply more extensive.And the energy that this contrive equipment gathers tire vibration is powered to tire pressure monitoring system, solve the shortcoming needing to regularly replace battery.
Accompanying drawing explanation
Fig. 1 is electricity energy harvester structural representation of the present invention;
Fig. 2 is inflating valve structure schematic diagram of the present invention;
Fig. 3 is the piezoelectric harvester apparatus structure schematic diagram of an elastic cantilever of the present invention;
Fig. 4 is the piezoelectric harvester apparatus structure schematic diagram of multiple elastic cantilever of the present invention;
Fig. 5 is control circuit board circuit diagram of the present invention;
In figure, valve cock 1, piezoelectric harvester 2, control circuit board 3, tire pressure monitoring system sensor 4, wheel hub 5, tire 6, Valve tip body 1-1, first wheel sealing gasket 1-2, the second hub seal pad 1-3, mouth body nut 1-4, piezoelectric material layer 2-1, spring beam 2-2, retainer plate 2-3, mass 2-4.
Embodiment
The present invention is a piezoelectric energy-capturing apparatus being fixed on tyre valve, along with the Conversion of Energy of tire vibration is electric energy by the vibration of tire, by rectification and the storage of back-end circuit, finally exports and powers to tire pressure monitoring system sensor for stable voltage.
Below in conjunction with accompanying drawing, the present invention will be further described:
As Figure 1-4, the energy collecting system based on tyre valve comprises electricity energy harvester, wheel hub 5, tire 6, tire 6 is provided with outside wheel hub 5, wheel hub 5 is provided with electricity energy harvester, electricity energy harvester comprises valve cock 1, piezoelectric harvester 2, control circuit board 3, tire pressure monitoring system sensor 4, valve cock 1 comprises Valve tip body 1-1, first wheel sealing gasket 1-2, second hub seal pad 1-3, mouth body nut 1-4, piezoelectric harvester 2 comprises piezoelectric material layer 2-1, spring beam 2-2, retainer plate 2-3, mass 2-4, retainer plate 2-3 is fixed with one or more spring beam 2-2, correct positions different on spring beam 2-2 posts piezoelectric material layer 2-1, cantilever beam 2-2 end winding support has mass 2-4, on Valve tip body 1-1, cover has retainer plate 2-3, first wheel sealing gasket 1-2, the second hub seal pad 1-3 is had through wheel hub 5 cover, and be fixed on wheel hub 5 with mouth body nut 1-4, Valve tip body 1-1 end is provided with control circuit board 3, tire pressure monitoring system sensor 4.
As shown in Figure 5, the control circuit of described control circuit board 3 is: transformer T input connects piezoelectric harvester 2, output connects full bridge rectifier, rectification circuit comprises four rectifier diode D1, rectifier diode D2, rectifier diode D3, rectifier diode D4, the anode of rectifier diode D1 is connected with one end of transformer T with the negative electrode of rectifier diode D4, the anode of rectifier diode D2 is connected with the other end of transformer T with the negative electrode of rectifier diode D3, rectifier diode D3 is connected with rectifier diode D4 common anode pole and ground connection, rectifier diode D1 is connected one end of filter capacitor C1 with rectifier diode D2 common cathode, the other end of the C1 of filter capacitor connects the anode of rectifier diode D3, connect after a filter resistance R1 and be connected with one end of filter capacitor C2 in one end of filter capacitor C1, the other end of filter capacitor C1 is directly connected in the other end of filter capacitor C2, connect after a current-limiting resistance Rs and be connected with the anode of voltage stabilizing didoe Dz again in one end of filter capacitor C2, the other end of filter capacitor C2 is directly connected with the negative electrode of voltage stabilizing didoe Dz.
The present invention is by the set of gentle for piezoelectric energy-capturing apparatus door mouth structure, and the energy utilizing the stress-electric coupling performance of intellectual material to gather tire vibration to produce, through the process of rear end control circuit board, thus powers for tire pressure monitoring sensor.The piezoelectric harvester that the present invention adopts is piezoelectric cantilever boom device intellectual material being pasted on elastic cantilever.In the present invention, intellectual material adopts piezoelectric ceramic, the materials such as piezopolymer.In the present invention, intellectual material also can adopt other to have stress-electric coupling performance and namely can produce electric intellectual material under force.
Energy-collecting method based on tyre valve is: piezoelectric harvester 2 is fixed on valve cock 1 by retainer plate 2-3 and is arranged on wheel hub 5, be positioned at the inside of tire 6, in vehicle travel process, the vibration of tire will cause the vibration of valve cock 1, the vibration of valve cock 1 will cause the vibration of the piezoelectric harvester 2 be fixed on valve cock 1, thus cause the vibration of one or more spring beam 2-2 of piezoelectric harvester 2, due to spring beam 2-2 being pasted with piezoelectric 2-1, this piezoelectric can produce stress when external vibration, due to the stress-electric coupling performance of material, under the effect of stress, upper and lower surface at piezoelectric material layer 2-1 is produced electric charge, thus the energy of tire vibration is changed into electric energy, power to tire pressure monitoring sensor 4 by control circuit board 3 again, the electric charge produced by piezoelectric material layer 2-1 transforms to a 1V-5V alternating voltage by a transformer T, by the rectified action of four rectifier diodes, convert alternating voltage to pulsating dc voltage, pass through the filter action of two filter capacitors and filter resistance again, pulsating dc voltage is changed into direct voltage, finally by the stable DC voltage of a regulation output 1V-5V of current-limiting resistance Rs and voltage stabilizing didoe Dz, realize the energy acquisition of tire vibration and power to tire pressure monitoring sensor 4.
Claims (3)
1., based on an energy collecting system for tyre valve, it is characterized in that comprising electricity energy harvester, wheel hub (5), tire (6), be provided with tire (6) outside wheel hub (5), wheel hub (5) is provided with electricity energy harvester, and electricity energy harvester comprises valve cock (1), piezoelectric harvester (2), control circuit board (3), tire pressure monitoring system sensor (4), valve cock (1) comprises Valve tip body (1-1), first wheel sealing gasket (1-2), second hub seal pad (1-3), mouth body nut (1-4), piezoelectric harvester (2) comprises piezoelectric material layer (2-1), spring beam (2-2), retainer plate (2-3), mass (2-4), retainer plate (2-3) is fixed with one or more spring beam (2-2), spring beam (2-2) posts piezoelectric material layer (2-1), spring beam (2-2) end winding support has mass (2-4), and the upper cover of Valve tip body (1-1) has retainer plate (2-3), first wheel sealing gasket (1-2), is installed with the second hub seal pad (1-3) again through wheel hub (5), and is fixed on wheel hub (5) with mouth body nut (1-4), and Valve tip body (1-1) end is provided with control circuit board (3), tire pressure monitoring system sensor (4).
2. a kind of electricity energy harvester based on tyre valve according to claim 1, it is characterized in that the control circuit of described control circuit board (3) is: transformer T input connects voltage energy accumulator (2), output connects full bridge rectifier, rectification circuit comprises rectifier diode D1, rectifier diode D2, rectifier diode D3, rectifier diode D4, the anode of rectifier diode D1 is connected with one end of transformer T with the negative electrode of rectifier diode D4, the anode of rectifier diode D2 is connected with the other end of transformer T with the negative electrode of rectifier diode D3, rectifier diode D3 is connected with rectifier diode D4 common anode pole and ground connection, rectifier diode D1 is connected one end of filter capacitor C1 with rectifier diode D2 common cathode, the other end of filter capacitor C1 connects the anode of rectifier diode D3, connect after a filter resistance R1 and be connected with one end of filter capacitor C2 in one end of filter capacitor C1, the other end of filter capacitor C1 is directly connected with the other end of filter capacitor C2, connect after a current-limiting resistance Rs and be connected with the anode of voltage stabilizing didoe Dz again in one end of filter capacitor C2, the other end of filter capacitor C2 is directly connected with the negative electrode of voltage stabilizing didoe Dz.
3. one kind adopts the energy-collecting method based on tyre valve of system as claimed in claim 1, after it is characterized in that piezoelectric harvester (2) is fixed on valve cock (1) by retainer plate (2-3), be arranged on wheel hub (5) again, be positioned at the inside of tire (6), in vehicle travel process, the vibration of tire will cause the vibration of valve cock (1), the vibration of valve cock (1) will cause the vibration of the piezoelectric harvester (2) be fixed on valve cock (1), thus cause the vibration of one or more spring beam (2-2) of piezoelectric harvester (2), due to spring beam (2-2) being pasted with piezoelectric material layer (2-1), this piezoelectric material layer can produce stress when external vibration, due to the stress-electric coupling performance of material, under the effect of stress, electric charge will be produced in the upper and lower surface of piezoelectric material layer (2-1), thus the energy of tire vibration is changed into electric energy, powered to tire pressure monitoring sensor (4) by control circuit board (3) again, the electric charge produced by piezoelectric material layer (2-1) transforms to a 1V-5V alternating voltage by a transformer T, by the rectified action of four rectifier diodes, convert alternating voltage to pulsating dc voltage, pass through the filter action of two filter capacitors and filter resistance again, pulsating dc voltage is changed into direct voltage, finally by the stable DC voltage of a regulation output 1V-5V of current-limiting resistance Rs and voltage stabilizing didoe Dz, realize the energy acquisition of tire vibration and power to tire pressure monitoring sensor (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410064131.6A CN103888021B (en) | 2014-02-26 | 2014-02-26 | Based on energy collecting system and the method for tyre valve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410064131.6A CN103888021B (en) | 2014-02-26 | 2014-02-26 | Based on energy collecting system and the method for tyre valve |
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| Publication Number | Publication Date |
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| CN103888021A CN103888021A (en) | 2014-06-25 |
| CN103888021B true CN103888021B (en) | 2015-10-28 |
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| CN201410064131.6A Expired - Fee Related CN103888021B (en) | 2014-02-26 | 2014-02-26 | Based on energy collecting system and the method for tyre valve |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TR2022014019A2 (en) * | 2022-09-09 | 2022-10-21 | Elmaci Mustafa | PIEZO ELECTRIC WHEEL |
| CN115447320A (en) * | 2022-10-10 | 2022-12-09 | 桂林电子科技大学 | Array energy harvesting intelligent tire |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4510484A (en) * | 1983-03-28 | 1985-04-09 | Imperial Clevite Inc. | Piezoelectric reed power supply for use in abnormal tire condition warning systems |
| CN201699611U (en) * | 2010-05-21 | 2011-01-05 | 浙江海洋学院 | Piezoelectric type tyre generating set |
| CN102026833A (en) * | 2008-03-10 | 2011-04-20 | 陶瓷技术股份公司 | Device for generating energy in a rotating system |
| CN202094819U (en) * | 2011-05-19 | 2011-12-28 | 常州志邦电子科技有限公司 | Piezoelectric self-powered device for automobile tire pressure monitoring system |
| JP5248458B2 (en) * | 2009-10-14 | 2013-07-31 | 進 猿谷 | Double structure tire power generator |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU536679B2 (en) * | 1979-11-27 | 1984-05-17 | Imperial Clevite Inc. | Vibrating transducer power supply in abnormal tire condition warning systems |
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2014
- 2014-02-26 CN CN201410064131.6A patent/CN103888021B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4510484A (en) * | 1983-03-28 | 1985-04-09 | Imperial Clevite Inc. | Piezoelectric reed power supply for use in abnormal tire condition warning systems |
| CN102026833A (en) * | 2008-03-10 | 2011-04-20 | 陶瓷技术股份公司 | Device for generating energy in a rotating system |
| JP5248458B2 (en) * | 2009-10-14 | 2013-07-31 | 進 猿谷 | Double structure tire power generator |
| CN201699611U (en) * | 2010-05-21 | 2011-01-05 | 浙江海洋学院 | Piezoelectric type tyre generating set |
| CN202094819U (en) * | 2011-05-19 | 2011-12-28 | 常州志邦电子科技有限公司 | Piezoelectric self-powered device for automobile tire pressure monitoring system |
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| CN103888021A (en) | 2014-06-25 |
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