CN115447320A - Array energy harvesting intelligent tire - Google Patents
Array energy harvesting intelligent tire Download PDFInfo
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- CN115447320A CN115447320A CN202211233358.XA CN202211233358A CN115447320A CN 115447320 A CN115447320 A CN 115447320A CN 202211233358 A CN202211233358 A CN 202211233358A CN 115447320 A CN115447320 A CN 115447320A
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- tire
- diode
- capacitor
- piezoelectric
- energy
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- 238000003306 harvesting Methods 0.000 title claims abstract description 24
- 238000004146 energy storage Methods 0.000 claims abstract description 31
- 239000003990 capacitor Substances 0.000 claims description 31
- 239000000463 material Substances 0.000 claims description 18
- 230000001681 protective effect Effects 0.000 claims description 17
- 239000003381 stabilizer Substances 0.000 claims description 12
- 230000000087 stabilizing effect Effects 0.000 claims description 11
- 238000005096 rolling process Methods 0.000 abstract description 5
- 238000004891 communication Methods 0.000 abstract description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000003912 environmental pollution Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000002033 PVDF binder Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C19/00—Tyre parts or constructions not otherwise provided for
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B21/00—Rims
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B27/00—Hubs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B27/00—Hubs
- B60B27/0047—Hubs characterised by functional integration of other elements
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/18—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators
- H02N2/181—Circuits; Control arrangements or methods
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C19/00—Tyre parts or constructions not otherwise provided for
- B60C2019/004—Tyre sensors other than for detecting tyre pressure
Abstract
The invention relates to the technical field of intelligent tires, in particular to an array energy harvesting intelligent tire, which comprises a tire, a hub, two circles of electrodes, a lead, an energy storage element sensor module and a plurality of piezoelectric modules, wherein the two circles of electrodes are arranged on the hub; the piezoelectric modules are distributed around the tire center in an array manner, after the tire is inflated, the tire rim part of the tire is tightly attached to a wheel hub, the piezoelectric modules are respectively in contact communication with two rings of electrodes, and the piezoelectric modules distributed in the array manner are connected in parallel, so that energy is continuously provided for a sensor and an energy storage device in the tire; through setting up piezoelectric module at tire side wall position, the side wall is the biggest position of whole tire deformation in rolling, increases the deformation volume of piezoelectric module when tire rotation at every turn to increase electric quantity output, solved current tire energy harvesting equipment power and can not provide the long-time work of sensor in the tire, lead to the problem of can only intermittent type nature to the car machine signals.
Description
Technical Field
The invention relates to the technical field of intelligent tires, in particular to an intelligent tire capable of array energy harvesting.
Background
Along with the development of the times, people have greater and greater requirements on the safety of automobiles, automobiles are more and more intelligent, the tire intelligence is particularly important as an important branch of the tire intelligence monitoring system, the TPMS monitoring of the tire pressure is reduced due to the fact that safety problems of tires occur, the tires are relatively independent parts relative to the whole automobiles, and sensors in the tires cannot be powered through automobile storage batteries.
At present, in order to supply power to a sensor inside a tire, an existing intelligent tire supplies energy to an automobile sensor through various piezoelectric materials and various piezoelectric energy harvesting structures, but the power of the existing tire energy harvesting equipment cannot provide long-time work of the sensor inside the tire, only intermittently sends signals to the automobile, and the power supply effect is insufficient.
Disclosure of Invention
The invention aims to provide an intelligent tire capable of array energy harvesting, which can increase the piezoelectric efficiency of energy harvesting and provide more electric quantity for a sensor and an energy storage device in the tire in the same time.
In order to achieve the purpose, the invention provides an intelligent tire for array energy harvesting, which comprises a tire, a wheel hub, two circles of electrodes, a lead, an energy storage element sensor module and a plurality of piezoelectric modules, wherein the two circles of electrodes are arranged on the wheel hub;
the wheel hub is arranged on the inner side of the tire, and the two circles of electrodes are respectively fixedly connected with the wheel hub and are respectively positioned on the side edges of the wheel hub; the lead is electrically connected with the two circles of electrodes respectively and is positioned on the side edge of the electrodes; the energy storage element sensor module is fixedly connected with the hub, electrically connected with the lead and positioned on the side edge of the hub; the piezoelectric modules are fixedly connected with the tire respectively and are positioned on the inner side of the tire respectively.
The energy storage element sensor module comprises a floating energy element, a rectifying circuit, an energy storage circuit, a voltage stabilizing circuit and a first sensor;
the floating energy element is electrically connected with the conducting wire, the rectifying circuit is electrically connected with the floating energy element, the energy storage circuit is electrically connected with the rectifying circuit, the voltage stabilizing circuit is electrically connected with the energy storage circuit, and the first sensor is electrically connected with the voltage stabilizing circuit.
The rectifying circuit comprises a diode D1, a diode D2, a diode D3 and a diode D4;
the anode of the diode D1 is connected with the floating energy element, the anode of the diode D2 is connected with the diode, and the cathode of the diode D2 is connected with the cathode of the diode D1; the negative pole of the diode D3 is connected with the positive pole of the diode D1, the positive pole of the diode D4 is connected with the positive pole of the diode D3, and the negative pole of the diode D4 is connected with the positive pole of the diode D2.
Wherein the tank circuit comprises a capacitor C1; one end of the capacitor C1 is connected with the cathode of the diode D2, and the other end of the capacitor C1 is connected with the anode of the diode D4.
The voltage stabilizing circuit comprises a capacitor C2, a voltage stabilizer U1 and a capacitor C3;
one end of the capacitor C2 is connected with the cathode of the diode D2, and the other end of the capacitor C2 is connected with the anode of the diode D4; the input end of the voltage stabilizer U1 is connected with the capacitor C2, and the grounding end of the voltage stabilizer is connected with the first sensor; one end of the capacitor C3 is connected with the output end of the voltage stabilizer, and the other end of the capacitor C3 is connected with the first sensor.
The piezoelectric module comprises a lower flexible protective film, a lower flexible sheet lead, a flexible piezoelectric material, an upper flexible sheet lead and an upper flexible protective film;
the lower flexible sheet lead is arranged on one side of the lower flexible protective film, the flexible piezoelectric material is arranged on one side, away from the lower flexible sheet lead, of the lower flexible protective film, the upper flexible sheet lead is arranged on one side, away from the lower flexible sheet lead, of the flexible piezoelectric material, and the upper flexible protective film is arranged on one side, away from the flexible piezoelectric material, of the upper flexible sheet lead.
According to the array energy harvesting intelligent tire, the piezoelectric modules are tightly attached to the inner surface of the tire in a sticking mode, the piezoelectric modules are distributed in an array mode around the center of the tire, after the tire is inflated, the steel rim part of the tire is tightly attached to the hub, two circles of electrodes are arranged on the hub, and the piezoelectric modules are respectively in contact communication with the two circles of electrodes; the piezoelectric module is arranged at the tire side part, the tire side is used as the part of the whole tire with the largest deformation in rolling, and the deformation amount of the piezoelectric module in each tire rotation is increased, so that the electric quantity output is increased. By the mode, the problem that the existing tire energy harvesting equipment cannot provide power for a sensor in a tire to work for a long time, so that signals can be sent to a vehicle machine only intermittently is solved, and by the array structure, the tire can generate certain electric quantity every time the tire rotates to a certain angle by utilizing an array mode, so that the piezoelectric module continuously generates electric quantity for the tire, the energy of tire deformation is fully utilized, and the electric quantity generated at each angle is more sufficient; meanwhile, the tire structure provides a mode for producing energy harvesting tires in quantity, after the tires are worn and consumed, the type of tires can be directly replaced without excessive debugging, the energy harvesting requirements can be met by using the type of tires, the use of batteries is reduced, and therefore the environmental pollution is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of a tire and a plurality of piezoelectric modules of the present invention.
Fig. 2 is a schematic structural view of the hub, two-turn electrode, lead and energy storage element sensor module of the present invention.
Fig. 3 is another schematic structural view of the hub, two-turn electrode, wire and energy storage element sensor module of the present invention.
Fig. 4 is an enlarged view of a detail a of fig. 3.
Fig. 5 is a schematic structural view of the energy storage element sensor module of the present invention.
Fig. 6 is a schematic structural view of the piezoelectric module of the present invention.
The sensor comprises a tire 1, a wheel hub 2, an electrode 3, a lead 4, an energy storage element sensor module 5, a piezoelectric module 6, a lower flexible protective film 11, a lower flexible sheet lead 12, a flexible piezoelectric material 13, an upper flexible sheet lead 14, an upper flexible protective film 15, a floating energy element 51, a rectifying circuit 52, an energy storage circuit 53, a voltage stabilizing circuit 54 and a first sensor 55.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1 to 6, the present invention provides an array energy harvesting intelligent tire: the device comprises a tire 1, a hub 2, two circles of electrodes 3, a lead 4, an energy storage element sensor module 5 and a plurality of piezoelectric modules 6;
the wheel hub 2 is arranged on the inner side of the tire 1, and the two circles of the electrodes 3 are respectively fixedly connected with the wheel hub 2 and are respectively positioned on the side edges of the wheel hub 2; the lead 4 is respectively electrically connected with the two circles of the electrodes 3 and is positioned on the side edge of the electrodes 3; the energy storage element sensor module 5 is fixedly connected with the hub 2, electrically connected with the lead 4 and positioned on the side edge of the hub 2; the piezoelectric modules 6 are respectively fixedly connected with the tire 1 and respectively positioned on the inner side of the tire 1.
In the embodiment, the piezoelectric modules 6 are tightly attached to the inner surface of the tire 1 in a sticking way, the piezoelectric modules 6 are distributed around the center of the tire 1 in an array way, after the tire 1 is inflated, the steel ring part of the tire 1 is tightly attached to the hub 2, two circles of electrodes 3 are arranged on the hub 2, and the piezoelectric modules 6 are respectively in contact communication with the two circles of electrodes 3; by arranging the piezoelectric module 6 at the side wall part of the tire 1, which is the part with the largest deformation of the whole tire 1 in rolling, the deformation amount of the piezoelectric module 6 is increased each time the tire 1 rotates, thereby increasing the electric quantity output. By the mode, the problem that the existing tire energy harvesting equipment cannot provide power for a sensor in a tire to work for a long time, so that signals can be sent to a vehicle machine only intermittently is solved, and by the array structure, the tire 1 can generate certain electric quantity every time the tire rotates to a certain angle by utilizing an array mode, so that the piezoelectric module 6 continuously generates electric quantity for the tire 1, the energy of tire deformation is fully utilized, and the electric quantity generated at each angle is more sufficient; simultaneously this tire 1 structure provides the mode of a volume production energy harvesting tire, and after the tire is through wearing and tearing consumption, through directly changing this type tire, do not need too much debugging, just can utilize this type tire 1 to satisfy the energy harvesting requirement, reduce the battery and use to reduce environmental pollution.
Further, the energy storage element sensor module 5 comprises a floating energy element 51, a rectifying circuit 52, an energy storage circuit 53, a voltage stabilizing circuit 54 and a first sensor 55;
the floating element 51 is electrically connected with the lead 4, the rectifying circuit 52 is electrically connected with the floating element 51, the energy storage circuit 53 is electrically connected with the rectifying circuit 52, the constant voltage circuit 54 is electrically connected with the energy storage circuit 53, and the first sensor 55 is electrically connected with the constant voltage circuit 54.
In this embodiment, by providing the floating energy element 51, the rectifier circuit 52, the energy storage circuit 53, and the voltage regulator circuit 54, the ac power generated by the floating energy element 51 is integrated, and after the integrated electric energy is stored, the entire system can be stably operated by making the electric quantity reach the rated voltage of the first sensor 55 by the voltage regulator circuit 54; the first sensor 55 preferably includes all sensors including a tire pressure sensor, and since the present application can provide sufficient power, it is possible to support installation of more sensors in the tire 1, and the first sensor 55 may be selected according to actual requirements.
Further, the rectifier circuit 52 includes a diode D1, a diode D2, a diode D3, and a diode D4;
the anode of the diode D1 is connected with the floating energy element 51, the anode of the diode D2 is connected with the diode, and the cathode of the diode D2 is connected with the cathode of the diode D1; the negative pole of the diode D3 is connected with the positive pole of the diode D1, the positive pole of the diode D4 is connected with the positive pole of the diode D3, and the negative pole of the diode D4 is connected with the positive pole of the diode D2.
Further, the tank circuit 53 includes a capacitor C1; one end of the capacitor C1 is connected with the cathode of the diode D2, and the other end of the capacitor C1 is connected with the anode of the diode D4.
Further, the voltage stabilizing circuit 54 includes a capacitor C2, a voltage stabilizer U1, and a capacitor C3;
one end of the capacitor C2 is connected with the cathode of the diode D2, and the other end of the capacitor C2 is connected with the anode of the diode D4; the input end of the voltage stabilizer U1 is connected with the capacitor C2, and the grounding end of the voltage stabilizer is connected with the first sensor 55; one end of the capacitor C3 is connected with the output end of the voltage stabilizer, and the other end of the capacitor C3 is connected with the first sensor 55.
In this embodiment, the rectifier circuit 52, the energy storage circuit 53 and the voltage regulator circuit 54 connect the floating energy element 51 and the first sensor 55, the rectifier circuit 52 integrates the ac power generated by the energy capturing element through the diode D1, the diode D2, the diode D3 and the diode D4, the integrated power is stored in the capacitor C1, and the voltage regulator circuit 54 allows the electric quantity to reach the rated voltage of the first sensor 55, so that the entire system can stably operate.
Further, the piezoelectric module 6 includes a lower flexible protective film 11, a lower flexible sheet lead 12, a flexible piezoelectric material 13, an upper flexible sheet lead 14, and an upper flexible protective film 15;
the lower flexible sheet lead 12 is arranged on one side of the lower flexible protective film 11, the flexible piezoelectric material 13 is arranged on one side, away from the lower flexible protective film 11, of the lower flexible sheet lead 12, the upper flexible sheet lead 14 is arranged on one side, away from the lower flexible sheet lead 12, of the flexible piezoelectric material 13, and the upper flexible protective film 15 is arranged on one side, away from the flexible piezoelectric material 13, of the upper flexible sheet lead 14.
In this embodiment, the lower flexible protection film 11 and the upper flexible protection film 15 are made of high performance polyester materials and can withstand the high temperature of the tire 1 and the severe deformation of the rubber of the tire 1, the flexible piezoelectric material 13 is not limited to PVDF, other novel high performance piezoelectric high temperature resistant materials are also applicable, the lower flexible sheet lead 12 and the upper flexible sheet lead 14 lead out the electric energy generated by the rotation of the flexible piezoelectric material 13 along with the tire 1, the lower flexible sheet lead 12 and the upper flexible sheet lead 14 do not contact with each other, the structure is formed by the piezoelectric module 6 through encapsulation, the flexible structure can adapt to various types of tires and does not affect the rotation of the tires, when the tire 1 rotates, the tire 1 is deformed due to the rolling pressure of the tire 1, so as to drive the piezoelectric module 6 attached to the inner surface array, convert kinetic energy into electric energy, the electric energy can be led out through the lead 4, stored in the energy storage element sensor module 5 on the hub 2 or directly supply power to the sensor; in the piezoelectric module 6, the lengths of the upper flexible sheet lead 14 and the lower flexible sheet lead 12 are not equal, the sheet leads can respectively correspond to two circles of electrodes 3 on the hub 2 through a structure with unequal lengths, after the tire 1 is inflated, the steel ring part of the tire 1 is tightly attached to the hub 2, the two circles of electrodes 3 are arranged on the hub 2, and the sheet leads are respectively in contact communication with the two circles of electrodes 3, so that the possibility of intelligentization of yield is provided, and the intelligent automobile tire 1 is convenient to disassemble and assemble; the piezoelectric modules 6 distributed in an array are connected in parallel through a structure with unequal lengths of the flaky leads, and energy is continuously provided for the sensor and the energy storage device in the tire through the mode of connecting the array modules in parallel; according to the invention, the array piezoelectric module 6 is arranged at the side wall part of the tire 1, the side wall is used as the part with the maximum deformation of the whole tire 1 in rolling, and the deformation amount of the piezoelectric module 6 is increased every time the tire 1 rotates, so that the electric quantity output is increased.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. An array energy harvesting intelligent tire is characterized in that,
the piezoelectric wheel comprises a tire, a wheel hub, two circles of electrodes, a lead, an energy storage element sensor module and a plurality of piezoelectric modules;
the wheel hub is arranged on the inner side of the tire, and the two circles of electrodes are respectively fixedly connected with the wheel hub and are respectively positioned on the side edges of the wheel hub; the leads are respectively electrically connected with the two circles of electrodes and are positioned on the side edges of the electrodes; the energy storage element sensor module is fixedly connected with the hub, electrically connected with the lead and positioned on the side edge of the hub; the piezoelectric modules are fixedly connected with the tire respectively and are positioned on the inner side of the tire respectively.
2. An array energy harvesting smart tire as claimed in claim 1,
the energy storage element sensor module comprises a floating energy element, a rectifying circuit, an energy storage circuit, a voltage stabilizing circuit and a first sensor;
the floating energy element is electrically connected with the conducting wire, the rectifying circuit is electrically connected with the floating energy element, the energy storage circuit is electrically connected with the rectifying circuit, the voltage stabilizing circuit is electrically connected with the energy storage circuit, and the first sensor is electrically connected with the voltage stabilizing circuit.
3. An array energy harvesting smart tire according to claim 2,
the rectifying circuit comprises a diode D1, a diode D2, a diode D3 and a diode D4;
the anode of the diode D1 is connected with the floating energy element, the anode of the diode D2 is connected with the diode, and the cathode of the diode D2 is connected with the cathode of the diode D1; the negative pole of the diode D3 is connected with the positive pole of the diode D1, the positive pole of the diode D4 is connected with the positive pole of the diode D3, and the negative pole of the diode D4 is connected with the positive pole of the diode D2.
4. An array energy harvesting smart tire according to claim 3,
the energy storage circuit comprises a capacitor C1; one end of the capacitor C1 is connected with the cathode of the diode D2, and the other end of the capacitor C1 is connected with the anode of the diode D4.
5. An array energy harvesting smart tire according to claim 4,
the voltage stabilizing circuit comprises a capacitor C2, a voltage stabilizer U1 and a capacitor C3;
one end of the capacitor C2 is connected with the cathode of the diode D2, and the other end of the capacitor C2 is connected with the anode of the diode D4; the input end of the voltage stabilizer U1 is connected with the capacitor C2, and the grounding end of the voltage stabilizer is connected with the first sensor; one end of the capacitor C3 is connected with the output end of the voltage stabilizer, and the other end of the capacitor C3 is connected with the first sensor.
6. An array energy harvesting smart tire according to claim 5,
the piezoelectric module comprises a lower flexible protective film, a lower flexible sheet lead, a flexible piezoelectric material, an upper flexible sheet lead and an upper flexible protective film;
the lower flexible sheet lead is arranged on one side of the lower flexible protective film, the flexible piezoelectric material is arranged on one side, away from the lower flexible sheet lead, of the lower flexible protective film, the upper flexible sheet lead is arranged on one side, away from the lower flexible sheet lead, of the flexible piezoelectric material, and the upper flexible protective film is arranged on one side, away from the flexible piezoelectric material, of the upper flexible sheet lead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211233358.XA CN115447320A (en) | 2022-10-10 | 2022-10-10 | Array energy harvesting intelligent tire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211233358.XA CN115447320A (en) | 2022-10-10 | 2022-10-10 | Array energy harvesting intelligent tire |
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| Publication Number | Publication Date |
|---|---|
| CN115447320A true CN115447320A (en) | 2022-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211233358.XA Pending CN115447320A (en) | 2022-10-10 | 2022-10-10 | Array energy harvesting intelligent tire |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1549776A (en) * | 2002-05-10 | 2004-11-24 | �����ּ�����˾ | System for generating electric power from a rotating tire's mechanical energy using reinforced piezoelectric materials |
| CN1799894A (en) * | 2004-10-20 | 2006-07-12 | 米其林研究和技术股份有限公司 | System and method for generating electric power from a rotating tire's mechanical energy |
| CN201699611U (en) * | 2010-05-21 | 2011-01-05 | 浙江海洋学院 | Piezoelectric type tyre generating set |
| KR20120131489A (en) * | 2011-05-25 | 2012-12-05 | (주)코아칩스 | Electric energy obtaining device and tire having it and energy supplying method using it |
| CN103888021A (en) * | 2014-02-26 | 2014-06-25 | 浙江大学 | Energy acquisition system and method based on tyre valve |
| CN104786754A (en) * | 2014-01-22 | 2015-07-22 | 纳米新能源（唐山）有限责任公司 | self-powered tire pressure monitoring system |
-
2022
- 2022-10-10 CN CN202211233358.XA patent/CN115447320A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1549776A (en) * | 2002-05-10 | 2004-11-24 | �����ּ�����˾ | System for generating electric power from a rotating tire's mechanical energy using reinforced piezoelectric materials |
| CN1799894A (en) * | 2004-10-20 | 2006-07-12 | 米其林研究和技术股份有限公司 | System and method for generating electric power from a rotating tire's mechanical energy |
| CN201699611U (en) * | 2010-05-21 | 2011-01-05 | 浙江海洋学院 | Piezoelectric type tyre generating set |
| KR20120131489A (en) * | 2011-05-25 | 2012-12-05 | (주)코아칩스 | Electric energy obtaining device and tire having it and energy supplying method using it |
| CN104786754A (en) * | 2014-01-22 | 2015-07-22 | 纳米新能源（唐山）有限责任公司 | self-powered tire pressure monitoring system |
| CN103888021A (en) * | 2014-02-26 | 2014-06-25 | 浙江大学 | Energy acquisition system and method based on tyre valve |
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