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WO2015029655A1 - Générateur de courant électrique basé sur des vibrations - Google Patents

Générateur de courant électrique basé sur des vibrations Download PDF

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Publication number
WO2015029655A1
WO2015029655A1 PCT/JP2014/069506 JP2014069506W WO2015029655A1 WO 2015029655 A1 WO2015029655 A1 WO 2015029655A1 JP 2014069506 W JP2014069506 W JP 2014069506W WO 2015029655 A1 WO2015029655 A1 WO 2015029655A1
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WO
WIPO (PCT)
Prior art keywords
side unit
tire
vibration
movable
spring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2014/069506
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English (en)
Japanese (ja)
Inventor
伊藤　学
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Star Micronics Co Ltd
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Star Micronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Star Micronics Co Ltd filed Critical Star Micronics Co Ltd
Publication of WO2015029655A1 publication Critical patent/WO2015029655A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K35/00—Generators with reciprocating, oscillating or vibrating coil system, magnet, armature or other part of the magnetic circuit
    • H02K35/02—Generators with reciprocating, oscillating or vibrating coil system, magnet, armature or other part of the magnetic circuit with moving magnets and stationary coil systems
    • 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
    • B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
    • B60C23/02—Signalling devices actuated by tyre pressure
    • B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
    • B60C23/0408—Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver
    • B60C23/041—Means for supplying power to the signal- transmitting means on the wheel
    • 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
    • B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
    • B60C23/02—Signalling devices actuated by tyre pressure
    • B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
    • B60C23/0491—Constructional details of means for attaching the control device
    • B60C23/0493—Constructional details of means for attaching the control device for attachment on the tyre

Definitions

  • the present invention relates to a vibration power generation apparatus configured to generate an induced electromotive force using vibration, and particularly to a vibration power generation apparatus used in a state of being mounted on a tire of a vehicle or the like.
  • Patent Document 1 an induced electromotive force is generated by vibrating a movable-side unit supported by a fixed-side unit via a coil spring using the elastic force of the coil spring.
  • a vibration power generator configured as described above is described.
  • Patent Document 3 the movable side unit is supported by the frame member (that is, the movable structure 805a) via the first spring, and further this frame member is supported by the fixed side unit via the second spring. A vibration power generator is described.
  • vibration power generation device If such a vibration power generation device is used in a state where it is mounted on a tire of a vehicle or the like, it is possible to generate power using the rotation of the tire.
  • the movable unit vibrates in the radial direction of the tire against the elastic force of the coil spring by the impact force that the vibration power generation device receives from the road surface. By doing so, it is possible to generate an induced electromotive force.
  • the vibration power generation apparatus mounted on the tire has a limited mounting space, and therefore is required to be as small as possible.
  • the first and second springs are configured to be doubled inside and outside through the frame member. Therefore, there is a problem that it is difficult to reduce the size of the vibration power generator.
  • the present invention has been made in view of such circumstances, and in a vibration power generation apparatus used in a state of being mounted on a tire, it can generate power even when the rotation speed of the tire is low or high, And it aims at providing the vibration electric power generating apparatus which can be easily mounted
  • the present invention is intended to achieve the above object by adopting a configuration in which a predetermined secondary spring is additionally arranged with respect to the original main spring.
  • the vibration power generator according to the present invention is A vibration power generator used in a state of being mounted on a tire, A stationary side unit and a movable side unit supported by the stationary side unit via a main spring, and the movable side unit is guided by vibrating in a radial direction of the tire using the elastic force of the main spring.
  • a vibration power generator configured to generate an electromotive force
  • the fixed side unit When the movable side unit is displaced by a predetermined amount radially outward from the neutral position of the vibration, the fixed side unit abuts on the movable side unit and is compressed and elastically deformed when the movable side unit is further displaced radially outward.
  • a secondary spring is disposed.
  • the type of the “main spring” is not particularly limited, and for example, a coil spring or a leaf spring can be employed.
  • sub spring is not particularly limited as long as the movable side unit is configured to be elastically deformed by compression when the movable unit is displaced from the neutral position to the outside in the radial direction by a predetermined amount. It is not something.
  • the specific value of the “predetermined amount” is not particularly limited.
  • the vibration power generator according to the present invention has a configuration in which the movable side unit supported by the fixed side unit via the main spring vibrates in the radial direction of the tire using the elastic force of the main spring.
  • the fixed side unit is in contact with the movable side unit when the movable side unit is displaced by a predetermined amount radially outward from the neutral position of vibration, and the movable side unit is further displaced radially outward. Since the auxiliary spring which is sometimes compressed elastically deformed is arranged, the following effects can be obtained.
  • the secondary spring is arranged on the fixed side unit in such a manner that it comes into contact with the movable side unit when the movable side unit is displaced by a predetermined amount from the neutral position of the vibration to the radially outer side.
  • the vibration power generator can be easily reduced in size, and can be easily mounted on a tire having a limited mounting space.
  • the power generation in the vibration power generation apparatus used in a state where the tire is mounted, the power generation can be performed even when the rotation speed of the tire is low or high, and this can be easily performed on the tire. Can be installed.
  • the spring constant of the auxiliary spring is set to a value larger than the spring constant of the main spring, power can be generated even in a high-speed rotation region where the tire rotation speed is higher.
  • the spring constant of the secondary spring is set to a value that is five times or more than the spring constant of the main spring.
  • the spring constant of the auxiliary spring it is preferable to set the spring constant of the auxiliary spring to a value not more than 100 times the spring constant of the main spring.
  • the conductive coil is arranged in the fixed side unit and the magnetic circuit unit is arranged in the movable unit, and the conductive coil is arranged radially outside the neutral position of the vibration.
  • FIG. 1 is a front view showing a vibration power generation apparatus 10 according to an embodiment of the present invention.
  • 2 is a cross-sectional view taken along the line II-II in FIG.
  • the vibration power generation apparatus 10 includes a fixed side unit 20 having a conductive coil 22 and a movable side unit 40 having a magnet 42.
  • the movable side unit 40 is supported by the fixed side unit 20 via the four main springs 12, and can vibrate in the direction indicated by the arrow in FIG. ing.
  • FIG. 3 is a diagram illustrating a usage state of the vibration power generation apparatus 10.
  • the vibration power generation apparatus 10 is mounted on a tire 2 such as a vehicle or an aircraft, and other devices (for example, the air pressure of the tire 2 and the road surface state) are used to detect the usage environment of the tire 2 ( (Not shown) as a power source.
  • a tire 2 such as a vehicle or an aircraft
  • other devices for example, the air pressure of the tire 2 and the road surface state
  • the vibration power generation apparatus 10 is mounted on the inner peripheral wall 2 a of the tire 2 in the internal space of the tire 2 in a state in which the vibration direction coincides with the radial direction of the tire 2.
  • the vibration power generation device 10 when the tire 2 rotates in the direction indicated by the arrow, the vibration power generation device 10 is connected to the road surface when the portion of the tire 2 on which the vibration power generation device 10 is mounted is grounded. 4, the movable side unit 40 vibrates in the radial direction of the tire 2 against the elastic force of the main spring 12, thereby generating an induced electromotive force in the conductive coil 22 (which will be described later). It is like that.
  • the fixed-side unit 20 includes a case 30 and a coil holder 24 and a circuit board 32 arranged in the case 30.
  • the case 30 includes a pair of front and rear resin half members 30A and 30B.
  • the case 30 has a rectangular outer shape close to a square when viewed from the front, and is formed with a constant front-rear width.
  • the coil holder 24 is a plate-like member having a rectangular outer shape close to a square when viewed from the front, and is arranged in a state extending in the vertical direction.
  • the coil holder 24 has a structure in which a friction reducing film is attached to both front and rear surfaces of a resin holder body in which a coil housing portion 24a for housing the conductive coil 22 is formed.
  • An inverted U-shaped positioning recess 24b is formed at the left and right center position of the lower end surface of the coil holder 24, and large rectangular cutouts 24c are formed on the left and right sides thereof.
  • the case 30 is configured such that the upper and lower ends thereof are sandwiched from both the front and rear sides in a state where the coil holder 24 is positioned in the vertical and horizontal directions by the pair of half members 30A and 30B. At this time, a movable space C for vibrating the movable side unit 40 in the vertical direction is formed between the upper and lower ends of the coil holder 24 in the case 30.
  • a cushion material 26 extending in a strip shape in the left-right direction is attached to the upper end wall 30a of the movable space C in the case 30.
  • the cushion material 26 abuts on the elastic member and elastically deforms.
  • the movable side unit 40 vibrates with an excessive amplitude.
  • the impact force at the time of contact is relieved.
  • the lower end wall 30b of the movable space C in the case 30 is formed at a position where it comes into contact with the lower end surface of the movable side unit 40 when the movable side unit 40 vibrates with the maximum allowable amplitude.
  • a pair of main spring accommodating portions 30c for accommodating the main springs 12 are formed on the left and right sides of the case 30, and the main springs 12 are provided on the upper and lower sides of the main spring accommodating portions 30c.
  • a locking pin 30d for locking is formed.
  • a circuit board housing part 30e for housing the circuit board 32 is formed in the upper part of the case 30.
  • a pair of left and right auxiliary spring accommodating portions 30f for accommodating a pair of left and right auxiliary springs 14 are formed in the lower part of the case 30.
  • the conductive coil 22 has a horizontally long oval winding shape.
  • the conductive coil 22 has a pair of coil terminals (not shown) electrically connected to the circuit board 32.
  • the electricity generated by the vibration power generator 10 is supplied from the circuit board 32 to the other devices via the cord 34.
  • the movable unit 40 is configured as a magnetic circuit unit formed so as to surround the coil holder 24 with a space therebetween.
  • the movable side unit 40 has a configuration in which a yoke 44 and a pair of upper and lower magnets 42 are attached to each of a pair of magnet holders 46 disposed on both front and rear sides of the coil holder 24.
  • Each magnet holder 46 is made of a resin member having a laterally long rectangular outer shape when viewed from the front.
  • Each magnet 42 is a neodymium magnet, for example, and has a horizontally long rectangular parallelepiped shape.
  • Each yoke 44 is made of a soft iron plate and has the same outer shape as each magnet holder 46 in a front view.
  • each yoke 44 is attracted by a magnetic force, and at that time, positioning and fixing to each yoke 44 is surely performed by using an adhesive.
  • the pair of upper and lower magnets 42 are arranged with their polarities reversed, and the polarity is reversed between the pair of front and rear yokes 44 (that is, the polarity of the upper and lower two pairs of magnets 42 is reduced). In a state of matching in the positional relationship of cliffs).
  • a magnetic circuit that generates a magnetic flux across the space between each pair of magnets 42 is formed by the two pairs of upper and lower magnets 42 and a pair of front and rear yokes 44. ing.
  • the four main springs 12 are locked at both upper and lower ends of both sides of the pair of front and rear magnet holders 46.
  • the coil accommodating part 24a of the coil holder 24 is formed in a positional relationship overlapping with the movable unit 40 in a front view.
  • the coil housing portion 24a is movable on the movable side in a state where the movable side unit 40 is in a neutral position of vibration (that is, in a state where the vibration power generator 10 is upright with the tire 2 not rotating).
  • the unit 40 is formed at a position slightly displaced downward from the center position of the unit 40, whereby the conductive coil 22 is arranged on the radially outer side of the tire 2 with respect to the neutral position.
  • the four main springs 12 are arranged on both the upper and lower sides of the movable unit 40 on the left and right sides of the coil holder 24, respectively. These four main springs 12 are coil springs having the same configuration, and are arranged so as to extend in the vertical direction in the pair of left and right main spring accommodating portions 30c.
  • the pair of left and right main springs 12 positioned on the upper side of the movable side unit 40 has its upper end portion locked by a locking pin 30d formed on the upper portion of the case 30, and its lower end portion is movable. Locked to the unit 40.
  • the pair of left and right main springs 12 positioned on the lower side of the movable side unit 40 has its lower end engaged with an engagement pin 30d formed at the lower part of the case 30, and its upper end is movable. Locked to the unit 40.
  • the two auxiliary springs 14 are accommodated in a pair of left and right auxiliary spring accommodating portions 30f formed in the lower part of the case 30 below the movable unit 40. These two auxiliary springs 14 are coil springs having the same configuration, and are arranged to extend in the vertical direction. At this time, each of the secondary springs 14 has a spring constant of 10 to 200 times (for example, about 100 times) with respect to the spring constant of each main spring 12. Each of the auxiliary springs 14 is not formed with a spring locking portion like the main springs 12.
  • Each auxiliary spring accommodating portion 30f of the case 30 is formed as a cylindrical recess having an inner diameter slightly larger than the winding diameter of each auxiliary spring 14.
  • each subspring 12 is arrange
  • the notches 24c formed on the lower end surface of the coil holder 24 are engaged with the auxiliary springs 12 from above. As a result, the secondary springs 12 are prevented from being detached from the secondary spring accommodating portions 30f.
  • the distance from the lower end surface of the movable side unit 40 in the neutral position to the upper end edge of each auxiliary spring 12 is set to a value substantially equal to the distance from the upper end surface of the movable side unit 40 in the neutral position to the lower surface of the cushion material 26. Has been.
  • FIG. 4 is a front view of the vibration power generation apparatus 10 showing a state when the movable unit 40 vibrates in the vertical direction (that is, the radial direction of the tire 2).
  • the front half member 30B of the case 30 is removed and the coil holder 24 is omitted.
  • FIG. 4A is a view showing a state where the tire 2 is not rotating and the movable unit 40 is in a neutral position of vibration
  • FIG. 4B is a view when the rotation speed of the tire 2 is low. It is a figure which shows the vibration state of the movable side unit 40
  • the same figure (c) is a figure which shows the vibration state of the movable side unit 40 when the rotational speed of the tire 2 is high.
  • the elastic forces of the two upper and lower main springs 12 are balanced with each other, and the movable unit 40 is neutral in vibration. Held in position. However, in this neutral position, the pair of left and right main springs 12 located on the upper side of the movable unit 40 is slightly more than the pair of left and right main springs 12 located on the lower side by the weight of the movable unit 40. The spring length is large.
  • the conductive coil 22 is overlapped with the movable side unit 40 in the neutral position of the vibration when viewed from the front, but is located at a position displaced downward with respect to the center position of the movable side unit 40.
  • the vibration power generation apparatus 10 moves in the vertical direction against the elastic force of the main spring 12 from the neutral position due to the impact force from the road surface 4. Vibrate. At that time, if the movable unit 40 is largely displaced upward from the neutral position, the over-amplitude is restricted by contacting the cushion material 26, and if the movable unit 40 is largely displaced downward from the neutral position, the auxiliary spring 14 is moved. The over-amplitude is regulated by contact.
  • the centrifugal force F acting on the vibration power generation apparatus 10 is small, and therefore the vibration of the movable unit 40 is performed around a position slightly below the neutral position. .
  • the movable unit 40 resists the elastic force of the two upper and lower main springs 12. Then, it is displaced to a position where it comes into contact with the pair of auxiliary springs 14, or is further displaced to a position where the pair of auxiliary springs 14 is subjected to compression elastic deformation. In this state, when the vibration power generation apparatus 10 receives an impact force from the road surface 4, the movable side unit 40 vibrates in the vertical direction.
  • the conductive coil 22 is displaced downward from the neutral position of the vibration, but the downward displacement amount is when the rotational speed of the tire 2 is low as shown in FIGS. However, even when it is high, the value is set such that the movable side unit 40 vibrates around the position overlapping the conductive coil 22 in front view.
  • FIG. 5 is a graph showing the results of a simulation performed to verify the operation of this embodiment.
  • the induced electromotive force generated in the conductive coil 22 due to the vibration of the movable side unit 40 was measured as the charging voltage of the capacitor, and this was analyzed in relation to the vehicle speed.
  • each auxiliary spring 14 is 100 times the spring constant of each main spring 12 (that is, the spring constant of the two auxiliary springs 14 as a whole is two pairs of upper and lower main springs). The analysis was performed (assuming 50 times the spring constant of 12 as a whole).
  • a graph A indicated by a solid line in the drawing is a graph showing the power generation characteristics when the sub spring 14 is disposed together with the main spring 12 as in the vibration power generation apparatus 10 according to the present embodiment.
  • a graph B indicated by a two-dot chain line in the figure is a graph showing power generation characteristics when only the main spring 12 is arranged without the secondary spring 14.
  • the voltage increases in accordance with the increase in the vehicle speed in the low vehicle speed region (that is, when the rotation speed of the tire 2 is low).
  • the voltage does not increase, and when the vehicle speed increases in the high vehicle speed region, the voltage decreases.
  • the vibration power generation apparatus 10 is configured such that the movable side unit 40 supported by the fixed side unit 20 via the main spring 12 vibrates against the elastic force of the main spring 12.
  • the fixed side unit 20 abuts on the movable side unit 40 and further moves the movable side unit 40 in the radial direction. Since the secondary spring 14 that is compressed and elastically deformed when displaced outward is provided, the following operational effects can be obtained.
  • the movable unit 40 vibrates against the elastic force of the main spring 12 to generate power.
  • the rotational speed is increased and the movable side unit 40 is greatly displaced radially outward by the centrifugal force F
  • the movable side unit 40 vibrates by the centrifugal force F and the elastic force of the auxiliary spring 14, As a result, power generation is performed. Therefore, even when the rotation speed of the tire 2 is low or high, power can be generated by the vibration of the movable unit 40.
  • the secondary spring 14 is disposed on the fixed side unit 20 in such a manner that it comes into contact with the movable side unit 40 when the movable side unit 40 is displaced by a predetermined amount from the neutral position of the vibration to the outside in the radial direction. It is possible to eliminate the need for a configuration in which the first spring and the second spring are doubled inside and outside through the frame member as in the vibration power generator. Therefore, the vibration power generation apparatus 10 can be easily reduced in size and can be easily mounted on the tire 2 having a limited mounting space.
  • the vibration power generation apparatus 10 used in a state where the tire 2 is mounted the power generation can be performed even when the rotation speed of the tire 2 is low or high, and this is applied to the tire 2. Can be easily mounted.
  • the spring constant of the auxiliary spring 14 is set to a value larger than the spring constant of the main spring 12, power generation can be performed even in a high-speed rotation region where the rotation speed of the tire 2 is higher.
  • each secondary spring 14 has a spring constant of 10 to 200 times the spring constant of each main spring 12, whereby the two secondary springs 14 as a whole are used. Is set to a value 5 to 100 times larger than the spring constant of the two upper and lower main springs 12 as a whole. Therefore, the vibration of the movable unit 40 due to the compression elastic deformation of each auxiliary spring 14 is reduced. In addition, power generation in the high-speed rotation region can be performed efficiently.
  • the vibration of the movable side unit 40 in the high-speed rotation region is smoothly performed without the movable side unit 40 being inclined. be able to.
  • the spring constant of each auxiliary spring 14 is reduced, the spring constant of the plurality of auxiliary springs 14 as a whole is increased. Can do.
  • the conductive coil 22 is arranged in the fixed side unit 20 and the movable side unit 40 is configured as a magnetic circuit unit, on which the conductive coil 22 is radially outward from the neutral position of vibration. Therefore, even when the rotation speed of the tire 2 is low or high, the power generation efficiency can be sufficiently increased.
  • the movable unit 40 and the conductive coil 22 are viewed from the front when the displacement amount of the conductive coil 22 from the neutral position of vibration to the radially outer side is high or low when the rotation speed of the tire 2 is low or high. Since it is set to a value that vibrates around the overlapping position, the power generation efficiency can be maximized.
  • two auxiliary springs 14 are arranged in parallel.
  • a configuration in which three or more auxiliary springs are arranged is also possible, and a single auxiliary spring is also possible. It is also possible to adopt a configuration in which are arranged.
  • a main pair of left and right coil springs disposed on the upper side of the movable side unit 40 is used. It is also possible to adopt a configuration in which the movable side unit 40 is suspended and supported by the fixed side unit 20 by a spring.
  • the conductive coil 22 is disposed in the fixed unit 20 and the movable unit 40 is configured as a magnetic circuit unit.
  • the magnetic circuit unit is disposed in the fixed unit 20.
  • a configuration in which the conductive coil 22 is arranged in the movable unit 40 is also possible.
  • the present invention is not limited to the configuration described in the above embodiment, and a configuration with various other changes can be adopted.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

La présente invention concerne un générateur de courant électrique basé sur des vibrations destiné à être utilisé pendant qu'il est installé dans un pneu, avec lequel il est possible de générer un courant électrique à la fois lorsque la vitesse de rotation du pneu est faible et lorsqu'elle est élevée et qui peut être facilement installé dans un pneu. Sur une unité (20) côté immobile, sont agencés des sous-ressorts (14) qui viennent buter contre une unité (40) côté mobile lorsque l'unité a subi un niveau prescrit de déplacement diamétralement vers l'extérieur depuis une position neutre pendant une vibration, puis qui subissent une déformation élastique par compression lorsque l'unité (40) côté mobile est davantage déplacée diamétralement vers l'extérieur. Ainsi, lorsque la vitesse de rotation du pneu (2) est faible, l'unité (40) côté mobile vibre en opposition à la force élastique des ressorts principaux (12), ce qui génère une énergie électrique, tandis que lorsque la vitesse de rotation du pneu (2) augmente et que l'unité (40) côté mobile subit un déplacement considérable diamétralement vers l'extérieur en raison de la force centrifuge, l'unité (40) côté mobile vibre sous l'effet de la force centrifuge et la force élastique des sous-ressorts (14), ce qui génère une énergie électrique. La présente invention concerne un générateur (10) d'énergie électrique à base de vibrations, ledit agencement ayant été réalisé sous forme compacte et étant facilement installé dans un espace d'installation limité dans le pneu (2).
PCT/JP2014/069506 2013-08-28 2014-07-24 Générateur de courant électrique basé sur des vibrations Ceased WO2015029655A1 (fr)

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Application Number Priority Date Filing Date Title
JP2013-176552 2013-08-28
JP2013176552A JP6070482B2 (ja) 2013-08-28 2013-08-28 振動発電装置

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Cited By (2)

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Publication number Priority date Publication date Assignee Title
WO2018043131A1 (fr) * 2016-09-02 2018-03-08 アルプス電気株式会社 Dispositif de génération d'énergie
CN108370209A (zh) * 2015-12-09 2018-08-03 株式会社普利司通 发电装置和轮胎

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6712898B2 (ja) * 2016-04-28 2020-06-24 日本電産コパル株式会社 リニア振動モータ
JP2018038150A (ja) * 2016-08-30 2018-03-08 日本電産セイミツ株式会社 振動モータ

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WO2007121380A2 (fr) * 2006-04-13 2007-10-25 Ciiis, Llc Générateur de puissance associé à un mouvement et procédé de génération de puissance au moyen de ce générateur
US20100194117A1 (en) * 2009-02-05 2010-08-05 Schlumberger Technology Corporation Electromagnetic device having compact flux paths for harvesting energy from vibrations
JP2010200479A (ja) * 2009-02-25 2010-09-09 Bridgestone Corp タイヤ内発電装置
CN102064660A (zh) * 2011-01-26 2011-05-18 麦伟仪 一种谐振式永磁直线发电机的动子结构
US20110133577A1 (en) * 2008-08-18 2011-06-09 In Ho Lee Horizontal linear vibration device
JP2011114884A (ja) * 2009-11-24 2011-06-09 Takenaka Komuten Co Ltd 発電装置
US20110193427A1 (en) * 2010-01-06 2011-08-11 Tremont Electric, Llc Electrical energy generator

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003117489A (ja) * 2001-10-10 2003-04-22 Citizen Electronics Co Ltd 軸方向駆動の振動体
WO2007121380A2 (fr) * 2006-04-13 2007-10-25 Ciiis, Llc Générateur de puissance associé à un mouvement et procédé de génération de puissance au moyen de ce générateur
US20110133577A1 (en) * 2008-08-18 2011-06-09 In Ho Lee Horizontal linear vibration device
US20100194117A1 (en) * 2009-02-05 2010-08-05 Schlumberger Technology Corporation Electromagnetic device having compact flux paths for harvesting energy from vibrations
JP2010200479A (ja) * 2009-02-25 2010-09-09 Bridgestone Corp タイヤ内発電装置
JP2011114884A (ja) * 2009-11-24 2011-06-09 Takenaka Komuten Co Ltd 発電装置
US20110193427A1 (en) * 2010-01-06 2011-08-11 Tremont Electric, Llc Electrical energy generator
CN102064660A (zh) * 2011-01-26 2011-05-18 麦伟仪 一种谐振式永磁直线发电机的动子结构

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108370209A (zh) * 2015-12-09 2018-08-03 株式会社普利司通 发电装置和轮胎
WO2018043131A1 (fr) * 2016-09-02 2018-03-08 アルプス電気株式会社 Dispositif de génération d'énergie
CN109643946A (zh) * 2016-09-02 2019-04-16 阿尔卑斯阿尔派株式会社 发电装置
US10855157B2 (en) 2016-09-02 2020-12-01 Alps Alpine Co., Ltd. Power generation device

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