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JP2010112364A - vehicle - Google Patents

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JP2010112364A
JP2010112364A JP2008306831A JP2008306831A JP2010112364A JP 2010112364 A JP2010112364 A JP 2010112364A JP 2008306831 A JP2008306831 A JP 2008306831A JP 2008306831 A JP2008306831 A JP 2008306831A JP 2010112364 A JP2010112364 A JP 2010112364A
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vehicle
vibration
striking
power generation
piezoelectric
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Haruo Wakabayashi
春雄 若林
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
    • F03G7/00—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for
    • F03G7/08—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for recovering energy derived from swinging, rolling, pitching or like movements, e.g. from the vibrations of a machine
    • F03G7/081—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for recovering energy derived from swinging, rolling, pitching or like movements, e.g. from the vibrations of a machine recovering energy from moving road or rail vehicles, e.g. collecting vehicle vibrations in the vehicle tyres or shock absorbers

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Vehicle Body Suspensions (AREA)
  • General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)

Abstract

【課題】従来よりも振動エネルギーを効率的に発電に結びつけることができる車両を提供すること。
【解決手段】車両１に殴打方式圧電発電装置１１を設け、振動伝達部を介して４車輪の振動が殴打方式圧電発電装置１１に伝わり発電する、振動伝達部を介してエンジン５の振動が前記殴打方式圧電発電装置１１に伝わり発電する、振動伝達部を介して車体２の揺れが前記殴打方式圧電発電装置１１に伝わり発電し、圧電セラミックス体の１枚あたりの電圧２０Ｖ以上、電流約５ｍＡの発電を特徴とする。
【選択図】図１The present invention provides a vehicle capable of efficiently combining vibration energy with power generation as compared with the prior art.
A striking method piezoelectric power generation device is provided in a vehicle, and vibrations of four wheels are transmitted to the striking method piezoelectric power generation device through a vibration transmission unit to generate electric power. The vibration of the vehicle body 2 is transmitted to the striking-type piezoelectric power generation device 11 through the vibration transmitting portion, and is transmitted to the striking-type piezoelectric power generation device 11 to generate power. The voltage of the piezoelectric ceramic body is 20 V or more and the current is about 5 mA. Characterized by power generation.
[Selection] Figure 1

Description

本発明は、電気を必要とする車両に関する。  The present invention relates to a vehicle that requires electricity.

従来の発電としては、モノモルフ（シムと呼ばれる金属板を使用せず、一枚の圧電セラミックの板だけの構造）、ユニモルフ（一枚の金属板に一枚の圧電セラミックを張りつけた構造）またはバイモルフ（二枚の圧電セラミックス間に電極兼強度を持たせるために金属板をはさんだ構造）の構造体に振動エネルギーを加えて圧電素子を変形させて発電する片持ち方式圧電発電装置が知られている（例えば、特許文献１ないし特許文献３参照。）。
特開２００５−３５４７６５号公報 特開２００６−１１５６６２号公報 特開２００６−２４６６８８号公報 Conventional power generation includes monomorph (a structure that consists of only one piezoelectric ceramic plate without using a metal plate called shim), unimorph (a structure in which one piezoelectric ceramic is attached to one metal plate) or bimorph. There is known a cantilever type piezoelectric power generation device that generates electric power by deforming a piezoelectric element by applying vibration energy to a structure (a structure in which a metal plate is sandwiched between two piezoelectric ceramics so as to have an electrode and strength). (For example, refer to Patent Documents 1 to 3.)
JP 2005-354765 A JP 2006-116562 A JP 2006-246688 A

以上に述べた従来の片持ち方式圧電発電装置は、比較的軟らかいセラミックの片側を固定して、自由端に振動エネルギーを負荷し、圧電素子を変形させて発電を行うが、負荷された振動エネルギーが固定部分から逃げるため、負荷された振動エネルギーの使用効率が低く、出力電流も低圧で微弱な発電装置である。  The conventional cantilever type piezoelectric power generation apparatus described above fixes one side of a relatively soft ceramic, loads vibration energy to the free end, and deforms the piezoelectric element to generate power. Since it escapes from the fixed part, the use efficiency of the loaded vibrational energy is low, and the output current is a low pressure and a weak power generator.

本発明は、このような従来の問題を解決しようとするものであり、従来よりも振動エネルギーを効率的に発電に結びつけることができる車両を提供することを目的とする。  The present invention is intended to solve such a conventional problem, and an object of the present invention is to provide a vehicle that can efficiently couple vibration energy to power generation as compared with the conventional art.

上記目的を達成するために、本発明は本車両の一部を構成すると共に、本車両動作時に振動を発生する振動発生源と、振動を受けることにより発電する殴打方式圧電発電装置と、前記振動発生源の振動を前記殴打方式圧電発電装置に伝える振動伝達部とを具備することを特徴とする車両を提供する。  In order to achieve the above object, the present invention constitutes a part of the vehicle, generates a vibration during operation of the vehicle, a striking piezoelectric generator that generates power by receiving the vibration, and the vibration. There is provided a vehicle comprising: a vibration transmission unit that transmits vibration of a generation source to the striking method piezoelectric power generation device.

また、本発明は振動発生源が車輪であることを特徴とする請求項１に記載の車両を提供する。  The present invention provides the vehicle according to claim 1, wherein the vibration generating source is a wheel.

また、本発明は振動発生源がエンジンであることを特徴とする請求項１に記載の車両を提供する。  The present invention provides the vehicle according to claim 1, wherein the vibration generation source is an engine.

また、本発明は振動発生源が板ばねであることを特徴とする請求項１に記載の車両を提供する。  The present invention provides the vehicle according to claim 1, wherein the vibration generating source is a leaf spring.

また、本発明は振動発生源が車体であることを特徴とする請求項１に記載の車両を提供する。  The present invention provides the vehicle according to claim 1, wherein the vibration generating source is a vehicle body.

また、本発明は振動発生源が本車両の台車であることを特徴とする請求項１に記載の車両を提供する。  The present invention provides the vehicle according to claim 1, wherein the vibration generation source is a carriage of the vehicle.

上記課題解決手段による作用は次の通りである。車両に殴打方式圧電発電装置を設け、振動伝達部を介して振動が前記殴打方式圧電発電装置の弾性支持体に伝わり基部材に固定された弾性支持体の一端に設けられた鋼球が共振作用による上下振動を起こし、圧電セラミックス体を殴打して発電する。発電された電気エネルギーは車両で必要とされる電源の全部又は一部となり得る。  The effect | action by the said problem-solving means is as follows. A striking piezoelectric generator is provided in the vehicle, and vibration is transmitted to the elastic support of the striking piezoelectric power generator through the vibration transmitting portion, and a steel ball provided at one end of the elastic support fixed to the base member resonates. Causes vertical vibrations due to, and strikes the piezoelectric ceramic body to generate electricity. The generated electrical energy can be all or part of the power required by the vehicle.

本発明の車両によれば、車両振動により生じる振動エネルギーを従来よりも効率的に発電に結びつけることが可能となる。  According to the vehicle of the present invention, it is possible to link vibration energy generated by vehicle vibration to power generation more efficiently than before.

機械的振動は容易に得られるエネルギー源であり、走行する車両等の車体には路面状態により車輪からの振動や積載物の重量による車体の揺れによる振動、あるいは車両等の動力源として積載されている内燃機関の振動、による機械的振動エネルギーが発生する。これらの振動を軽減するために車両等の車輪には車両懸架装置が、内燃機関には防振、制振および内燃機関支持機能を有するエンジンマウントが設けられて、前記機械的振動エネルギーによる振動を吸収するようになっている。このため、前記車体に殴打方式圧電発電装置を設けて、前記殴打方式圧電発電装置の弾性支持体の一端を車両懸架装置の車輪側に、または、内燃機関に接続させることで、前記機械的振動エネルギーが振動伝達部を介して殴打方式圧電発電装置に伝わり発電することが出来る。以下、本発明の実施の形態を説明する。圧電発電方法には、殴打方式圧電発電装置とよばれ、極めて硬いセラミックを使い、これをクッション材の上に置いた構造体として、圧電セラミックを直接殴打して発電する方法がある。  Mechanical vibration is an energy source that can be easily obtained. Car bodies such as traveling vehicles are loaded as vibration sources from the wheels, vibrations due to the weight of the load due to the weight of the load, or as power sources for vehicles. Mechanical vibration energy is generated by the vibration of the internal combustion engine. In order to reduce these vibrations, a vehicle suspension system is provided on the wheels of the vehicle and the like, and an engine mount having anti-vibration, vibration suppression, and internal combustion engine support functions is provided on the internal combustion engine. It is designed to absorb. For this reason, the mechanical vibration is provided by providing a striking piezoelectric generator on the vehicle body and connecting one end of an elastic support of the striking piezoelectric power generator to the wheel side of the vehicle suspension or to an internal combustion engine. The energy can be transmitted to the striking piezoelectric generator through the vibration transmitting portion to generate power. Embodiments of the present invention will be described below. The piezoelectric power generation method is called a striking type piezoelectric power generation device, and there is a method of generating electricity by directly striking a piezoelectric ceramic as a structure using an extremely hard ceramic and placing it on a cushion material.

図１は本発明の一実施形態に係る圧電セラミックを直接殴打して発電する方法を説明するための自動車の概略図である。車両１の車体２には懸架装置３を介して車輪４が装着される。さらに車体２にはエンジン５の他に走行に必要な種々の装置が装備されている。エンジン５の前方にはクランクシャフト６にベルト車７が取付けられている。このベルト車７にはベルト８が取り付けられている。水ポンプ９はエンジン５を冷却する。充電発電機１０は自動車の走行に必要な電気系統の電源の一部として機能する。殴打方式圧電発電装置１１は、極めて硬いセラミックを使い、これをクッション材の上に置いた構造体として、当該セラミックが直接殴打されることにより発電するものである。この殴打方式圧電発電装置１１は振動伝達部１５を介してエンジン５および懸架装置３にそれぞれ接続されている。電磁クラッチ１３は充電発電機１０のヘッドに設けられ、ベルト８からの動力の接続、切り離しに用いられる。エンジン５の動力はクランクシャフト６、ベルト車７、及びベルト８を介して水ポンプ９や充電発電機１０等を稼動させる。また、振動伝達部１５を介して車輪４及びエンジン５の各振動で殴打方式圧電発電装置１１が発電する。このため、殴打方式圧電発電装置１１が発電中は電磁クラッチ１３によりエンジン５の動力が充電発電機１０に伝わらないように制御される。従って、充電発電機１０はエンジン５の負荷とならず、エンジン５の動力は走行のためにのみ使用される。電磁クラッチ１３の作動（接・断）は殴打方式圧電発電装置１１の発電量により車両１に設けられた制御装置で制御される。  FIG. 1 is a schematic view of an automobile for explaining a method of generating electricity by directly striking a piezoelectric ceramic according to an embodiment of the present invention. Wheels 4 are mounted on the vehicle body 2 of the vehicle 1 via a suspension device 3. In addition to the engine 5, the vehicle body 2 is equipped with various devices necessary for traveling. A belt wheel 7 is attached to the crankshaft 6 in front of the engine 5. A belt 8 is attached to the belt wheel 7. The water pump 9 cools the engine 5. The charging generator 10 functions as a part of the power source of the electric system necessary for driving the automobile. The striking type piezoelectric power generation device 11 uses a very hard ceramic and generates electricity by directly striking the ceramic as a structure in which the ceramic is placed on a cushioning material. This striking-type piezoelectric power generation device 11 is connected to the engine 5 and the suspension device 3 via a vibration transmission unit 15. The electromagnetic clutch 13 is provided in the head of the charging generator 10 and is used for connecting and disconnecting power from the belt 8. The power of the engine 5 operates the water pump 9, the charging generator 10, etc. via the crankshaft 6, the belt wheel 7, and the belt 8. Further, the striking method piezoelectric power generation device 11 generates electric power with each vibration of the wheel 4 and the engine 5 through the vibration transmission unit 15. For this reason, the power of the engine 5 is controlled by the electromagnetic clutch 13 so that the power of the engine 5 is not transmitted to the charging generator 10 while the striking piezoelectric generator 11 is generating power. Therefore, the charging generator 10 does not become a load of the engine 5, and the power of the engine 5 is used only for running. The operation (contact / disconnection) of the electromagnetic clutch 13 is controlled by a control device provided in the vehicle 1 based on the amount of power generated by the striking piezoelectric generator 11.

図２は車輪振動により圧電セラミックを直接殴打して発電する方法を示す図である。車体２に設けられた殴打方式圧電発電装置１１は独立懸架とした構造の懸架装置３のリンク１４と弾性支持体１２の一端とを振動伝達部１５で接続されている。弾性支持体１２の一端に伝わった車輪４からの機械的振動は弾性支持体１２を伝わり、基部材１６に固定された弾性支持体１７の一端に設けられた鋼球１８が共振作用による上下振動を起こし、圧電セラミックス体１９を殴打して発電する。  FIG. 2 is a diagram showing a method for generating electricity by directly striking a piezoelectric ceramic by wheel vibration. The striking piezoelectric generator 11 provided on the vehicle body 2 has a vibration transmission portion 15 connecting the link 14 of the suspension device 3 having an independent suspension structure and one end of the elastic support 12. The mechanical vibration from the wheel 4 transmitted to one end of the elastic support body 12 is transmitted to the elastic support body 12, and the steel ball 18 provided at one end of the elastic support body 17 fixed to the base member 16 vibrates vertically. The piezoelectric ceramic body 19 is beaten to generate electricity.

図３はエンジン振動により圧電セラミックを直接殴打して発電する方法を示す図である。車体２に設けられた殴打方式圧電発電装置１１はエンジン５と弾性支持体１２の一端とを振動伝達部１５で接続されている。弾性支持体１２の一端に伝わったエンジン５からの機械的振動は弾性支持体１２を伝わり、基部材１６に固定された弾性支持体１７の一端に設けられた鋼球１８が共振作用による上下振動を起こし、圧電セラミックス体１９を殴打して発電する。  FIG. 3 is a diagram showing a method of generating electricity by directly striking a piezoelectric ceramic by engine vibration. A striking-type piezoelectric power generation device 11 provided in the vehicle body 2 has an engine 5 and one end of an elastic support 12 connected to each other by a vibration transmission unit 15. The mechanical vibration from the engine 5 transmitted to one end of the elastic support body 12 is transmitted to the elastic support body 12, and the steel ball 18 provided at one end of the elastic support body 17 fixed to the base member 16 vibrates vertically. The piezoelectric ceramic body 19 is beaten to generate electricity.

図４は懸架装置に板ばねを用いた構造で、板ばねの揺れにより圧電セラミックを直接殴打して発電する方法を示す図である。車体２に設けられた殴打方式圧電発電装置１１は板ばね２０を用いた構造の懸架装置２１のばねシャックル２５と弾性支持体１２の一端とを振動伝達部１５で接続されている。弾性支持体１２の一端に伝わった板ばね２０からの機械的振動は弾性支持体１２を伝わり、基材部１６に固定された弾性支持体１７の一端に設けられた鋼球１８が共振作用による上下振動を起こし、圧電セラミックス体１９を殴打して発電する。  FIG. 4 is a diagram showing a method of generating electricity by directly striking a piezoelectric ceramic by shaking of a leaf spring, using a leaf spring as a suspension device. In the striking piezoelectric generator 11 provided on the vehicle body 2, a spring shackle 25 of a suspension device 21 having a structure using a leaf spring 20 and one end of an elastic support 12 are connected by a vibration transmitting portion 15. The mechanical vibration from the leaf spring 20 transmitted to one end of the elastic support body 12 is transmitted through the elastic support body 12, and the steel ball 18 provided at one end of the elastic support body 17 fixed to the base material portion 16 is caused by resonance action. Vertical vibration is generated, and the piezoelectric ceramic body 19 is beaten to generate electricity.

図５は列車、電車等の台車の振動および／又は車体の揺れにより圧電セラミックを直接殴打して発電する方法を示す図である。車体２に設けられた殴打方式圧電発電装置１１は空気ばねベローズ２４を介して車体２を保持する台車２２と弾性支持体１２の一端とを振動伝達部１５で接続されている。弾性支持体１２の一端に伝わった台車２２および／又は車体２からの機械的振動は弾性支持体１２を伝わり、基材部１６に固定された弾性支持体１７の一端に設けられた鋼球１８が共振作用による上下振動を起こし、圧電セラミックス体１９を殴打して発電する。なお、電車２３は電車、列車、列車に牽引される被牽引車（例えば、貨物車や客車）およびディーゼル車等であってもよい。  FIG. 5 is a diagram showing a method of generating electricity by directly striking a piezoelectric ceramic by vibration of a carriage such as a train or a train and / or shaking of a vehicle body. In the striking piezoelectric generator 11 provided in the vehicle body 2, a carriage 22 that holds the vehicle body 2 and one end of the elastic support body 12 are connected by a vibration transmission unit 15 via an air spring bellows 24. The mechanical vibration from the carriage 22 and / or the vehicle body 2 transmitted to one end of the elastic support 12 is transmitted to the elastic support 12 and the steel ball 18 provided at one end of the elastic support 17 fixed to the base member 16. Causes a vertical vibration due to a resonance action and strikes the piezoelectric ceramic body 19 to generate electricity. The train 23 may be a train, a train, a towed vehicle (for example, a freight car or a passenger car) pulled by the train, a diesel car, or the like.

圧電セラミックス体１９を直接殴打して発電する殴打方式圧電発電装置１１は圧電セラミックス体１９の１枚あたりの電圧２０Ｖ以上、電流約５ｍＡの報告（株式会社ユーエスシーのホームページ記載）があるため、この方法による殴打方式圧電発電装置１１を多数設けることで車両の電源となりうる。又、ハイブリッド自動車の電源の一方法ともなりうる。また、本発明による発電量が当該車両の走行やその他車両にて必要となる電源の全てに十分なものである場合は上記実施形態において説明した充電発電機１０は不要となる。上記説明においては車両と電車等を便宜上分けて説明したが、本発明において「車両」とは列車、電車、自動車など貨客を輸送するための車であり、本発明の概念を適用し得るものであれば「車両」の対象は本実施の形態に記載されたものに限定されるものではない。又、「車両」に牽引される被牽引車も前記と同様に限定されるものではない。  The striking-type piezoelectric power generation apparatus 11 that directly generates power by striking the piezoelectric ceramic body 19 is reported to have a voltage of 20 V or more and a current of about 5 mA per piezoelectric ceramic body 19 (described on the website of USC Corporation). By providing a large number of strike-type piezoelectric power generation devices 11 according to the above, it can be used as a power source for the vehicle. It can also be a method of powering a hybrid vehicle. In addition, when the amount of power generation according to the present invention is sufficient for running of the vehicle and all the power sources required for the vehicle, the charging generator 10 described in the above embodiment is not necessary. In the above description, the vehicle and the train are separated for convenience. However, in the present invention, the “vehicle” is a vehicle for transporting a passenger such as a train, a train, and an automobile, and the concept of the present invention can be applied. If there is, the object of “vehicle” is not limited to that described in the present embodiment. Further, the towed vehicle towed by the “vehicle” is not limited as described above.

本発明の一実施形態を示す自動車の概略図である。  It is the schematic of the motor vehicle which shows one Embodiment of this invention. 本発明に係る殴打方式圧電発電装置を独立懸架装置に接続した一例を示す図である。  It is a figure which shows an example which connected the strike type piezoelectric power generation apparatus which concerns on this invention to the independent suspension apparatus. 本発明に係る殴打方式圧電発電装置をエンジンに接続した一例を示す図である。  It is a figure which shows an example which connected the striking-type piezoelectric power generation apparatus which concerns on this invention to the engine. 本発明に係る殴打方式圧電発電装置を板ばね懸架装置に接続した一例を示す図である。  It is a figure which shows an example which connected the strike type piezoelectric power generation apparatus which concerns on this invention to the leaf | plate spring suspension apparatus. 本発明に係る殴打方式圧電発電装置を電車等の台車に接続した一例を示す図である。  It is a figure which shows an example which connected the hitting type piezoelectric power generation apparatus which concerns on this invention to trolley | bogies, such as a train.

符号の説明Explanation of symbols

１ 車両、 ２ 車体、 ３ 懸架装置、 ４ 車輪、 ５ エンジン、 ６ クランクシャフト、 ７ ベルト車、 ８ ベルト、 ９ 水ポンプ、 １０ 充電発電機、 １１ 殴打方式圧電発電装置、 １２ 弾性支持体、 １３ 電磁クラッチ、 １４ リンク、 １５ 振動伝達部、 １６ 基部材、 １７ 弾性支持体、 １８ 鋼球、 １９ 圧電セラミックス体、 ２０ 板ばね、 ２１ 懸架装置、 ２２ 台車、 ２３ 電車、 ２４ 空気ばねベローズ、 ２５ ばねシャックル  DESCRIPTION OF SYMBOLS 1 Vehicle, 2 Car body, 3 Suspension device, 4 Wheel, 5 Engine, 6 Crankshaft, 7 Belt vehicle, 8 Belt, 9 Water pump, 10 Charging generator, 11 Strike type piezoelectric power generation device, 12 Elastic support, 13 Electromagnetic Clutch, 14 link, 15 vibration transmitting portion, 16 base member, 17 elastic support, 18 steel ball, 19 piezoelectric ceramic body, 20 leaf spring, 21 suspension device, 22 carriage, 23 train, 24 air spring bellows, 25 spring shackle

Claims (6)

本車両の一部を構成すると共に、本車両動作時に振動を発生する振動発生源と、
振動を受けることにより発電する殴打方式圧電発電装置と、
前記振動発生源の振動を前記殴打方式圧電発電装置に伝える振動伝達部とを具備することを特徴とする車両。A vibration source that forms part of the vehicle and generates vibrations during operation of the vehicle;
A striking piezoelectric generator that generates power by receiving vibrations;
A vehicle comprising: a vibration transmission unit that transmits vibration of the vibration generation source to the striking type piezoelectric power generation device. 前記振動発生源は車輪であることを特徴とする請求項１に記載の車両。  The vehicle according to claim 1, wherein the vibration generation source is a wheel. 前記振動発生源はエンジンであることを特徴とする請求項１に記載の車両。  The vehicle according to claim 1, wherein the vibration generation source is an engine. 前記振動発生源は板ばねであることを特徴とする請求項１に記載の車両。  The vehicle according to claim 1, wherein the vibration generation source is a leaf spring. 前記振動発生源は車体であることを特徴とする請求項１に記載の車両。  The vehicle according to claim 1, wherein the vibration generation source is a vehicle body. 前記振動発生源は本車両の台車であることを特徴とする請求項１に記載の車両。  The vehicle according to claim 1, wherein the vibration generation source is a carriage of the vehicle.
JP2008306831A 2008-11-04 2008-11-04 vehicle Pending JP2010112364A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104373312A (en) * 2013-08-16 2015-02-25 夏学田 Electromobile vibration power generating technology
CN105857050A (en) * 2016-06-06 2016-08-17 谢天琦 Piezoelectric-resonant hybrid power-generating engine supporting device
CN115288964A (en) * 2022-09-26 2022-11-04 西南交通大学 Coupler buffer power generation device applied to self-powered sensor of freight train

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Publication number Priority date Publication date Assignee Title
JPS5921090U (en) * 1982-07-30 1984-02-08 ナイルス部品株式会社 Automotive vacuum and compressed air generator
JP2002310060A (en) * 2001-04-16 2002-10-23 Isamu Domoto Energy conversion system
JP2007202381A (en) * 2005-12-28 2007-08-09 Usc Corp Generating set
JP4048203B2 (en) * 2003-02-26 2008-02-20 株式会社ユーエスシー Piezoelectric generator

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Publication number Priority date Publication date Assignee Title
JPS5921090U (en) * 1982-07-30 1984-02-08 ナイルス部品株式会社 Automotive vacuum and compressed air generator
JP2002310060A (en) * 2001-04-16 2002-10-23 Isamu Domoto Energy conversion system
JP4048203B2 (en) * 2003-02-26 2008-02-20 株式会社ユーエスシー Piezoelectric generator
JP4048212B2 (en) * 2003-02-26 2008-02-20 株式会社ユーエスシー Non-powered security device
JP2007202381A (en) * 2005-12-28 2007-08-09 Usc Corp Generating set

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104373312A (en) * 2013-08-16 2015-02-25 夏学田 Electromobile vibration power generating technology
CN105857050A (en) * 2016-06-06 2016-08-17 谢天琦 Piezoelectric-resonant hybrid power-generating engine supporting device
CN115288964A (en) * 2022-09-26 2022-11-04 西南交通大学 Coupler buffer power generation device applied to self-powered sensor of freight train
CN115288964B (en) * 2022-09-26 2023-05-26 西南交通大学 A coupler buffer power generation device applied to self-powered sensors of freight trains

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