WO2017014122A1 - Dispositif de dynamo oscillant - Google Patents

Dispositif de dynamo oscillant Download PDF

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Publication number
WO2017014122A1
WO2017014122A1 PCT/JP2016/070653 JP2016070653W WO2017014122A1 WO 2017014122 A1 WO2017014122 A1 WO 2017014122A1 JP 2016070653 W JP2016070653 W JP 2016070653W WO 2017014122 A1 WO2017014122 A1 WO 2017014122A1
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WO
WIPO (PCT)
Prior art keywords
vibration
cylindrical member
coil
elements
dynamo device
Prior art date
Application number
PCT/JP2016/070653
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English (en)
Japanese (ja)
Inventor
高良 林
Original Assignee
ヤマウチ株式会社
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 ヤマウチ株式会社 filed Critical ヤマウチ株式会社
Priority to CN201680035852.1A priority Critical patent/CN107710573B/zh
Publication of WO2017014122A1 publication Critical patent/WO2017014122A1/fr

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    • 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

Definitions

  • the present invention relates to a vibration dynamo device.
  • a power generation method for converting vibration energy into electric energy there are a method using electromagnetic induction, a method using a piezoelectric element, a method using electrostatic induction, and the like.
  • the system using electromagnetic induction is a system in which the relative position between the coil and the magnet is changed by vibration and power is generated by electromagnetic induction generated in the coil. Examples of such a technique include Japanese Unexamined Patent Application Publication No. 2011-199916 (Patent Document 1) and Japanese Unexamined Patent Application Publication No. 2013-055717 (Patent Document 2).
  • Patent Documents 1 and 2 include a tubular member, a coil disposed along the tubular member, and a mover provided in the tubular member so as to be capable of reciprocating in the longitudinal direction.
  • a vibration generator is provided.
  • the mover of Patent Document 1 has a first permanent magnet and a second permanent magnet arranged so that the same polarity as the first permanent magnet faces each other.
  • the first and second permanent magnets are cylindrical. It is.
  • the mover of Patent Document 2 includes a permanent magnet, a non-magnetic weight provided at both ends of the permanent magnet, and a fastening member that fastens the permanent magnet and the non-magnetic weight.
  • the body weight is a columnar shape having substantially the same outer diameter.
  • Patent Documents 1 and 2 disclose that the mover has the same cross-sectional shape as the space inside the cylindrical member.
  • an object of the present invention is to provide a vibration dynamo device that improves power generation efficiency.
  • the present inventor has the problem that the power generation efficiency is poor in the vibration generators of Patent Documents 1 and 2, and the mover of Patent Documents 1 and 2 has the same cross-sectional shape as the space inside the cylindrical member. Therefore, the present inventors have found that the sliding resistance between the cylindrical member and the mover is large when the mover reciprocates in the cylindrical member. For this reason, in order to improve electric power generation efficiency, this inventor paid attention to reducing the sliding area of a cylindrical member and a needle
  • the vibration dynamo device of the present invention is a cylindrical member that is capable of reciprocating along a non-magnetic cylindrical member, a coil disposed on the outer periphery of the cylindrical member, and the extending direction of the cylindrical member.
  • the vibration member including the magnet and housed in the inside of the cylindrical member, and the portion of the vibration member that contacts the cylindrical member is a sphere.
  • the vibration dynamo device of the present invention when the vibration member reciprocates, the portion of the vibration member that contacts the cylindrical member is a sphere, so that the sliding portion between the vibration member and the cylindrical member is in point contact. For this reason, since the sliding area of a vibration member and a cylindrical member can be reduced, the resistance at the time of a vibration member vibrating can be reduced. Therefore, since the efficiency of converting vibration (kinetic) energy into electric energy can be improved, the vibration dynamo device of the present invention can improve power generation efficiency.
  • the vibration member includes three or more elements, and the elements positioned at both ends are spheres.
  • the contact area can be reduced when the sphere constituting the oscillating member contacts the cylindrical member. For this reason, the vibration dynamo device which can improve power generation efficiency is realizable.
  • the remaining parts of the three or more elements are spheres and / or columns, and the outer diameters of the spheres located at both ends are larger than the outer diameters of the remaining spheres and / or columns. .
  • the spheres located at both ends are yokes (relays), and the remaining three or more elements are magnets.
  • the magnetic force can be used effectively and the attractive force is improved. For this reason, the power generation efficiency of the vibration dynamo device can be further improved.
  • the vibration member may be composed only of a magnet. Even in this case, when the vibrating member reciprocates, the spherical body of the magnet constituting the vibrating member is in contact with the cylindrical member, so that the contact area between the cylindrical member and the vibrating member can be reduced. For this reason, the power generation efficiency of the vibration dynamo device can be improved.
  • the three or more elements may hold each other with a magnetic attractive force.
  • the power generation efficiency can be improved.
  • FIG. 1 It is sectional drawing which shows schematically the vibration dynamo apparatus in Embodiment 1 of this invention. It is a front view which shows roughly the vibration member which comprises the vibration dynamo apparatus in Embodiment 1 of this invention. It is a front view which shows roughly the vibration member which comprises the vibration dynamo apparatus in Embodiment 1 of this invention. It is a front view which shows roughly the vibration member which comprises the vibration dynamo apparatus in Embodiment 1 of this invention. It is a front view which shows roughly the vibration member which comprises the vibration dynamo apparatus in Embodiment 1 of this invention. It is a side view which shows roughly the lighting fixture in Embodiment 2 of this invention.
  • FIG. 1 It is a front view which shows roughly the vibration member which comprises the vibration dynamo apparatus in Embodiment 1 of this invention. It is a front view which shows roughly the vibration member which comprises the vibration dynamo apparatus in Embodiment 1 of this invention. It is a side view which shows roughly the lighting fixture
  • FIG. 7 is a schematic cross-sectional view taken along the line VII-VII in FIG. 6, schematically showing the lighting apparatus in the second embodiment of the present invention.
  • It is an equivalent circuit diagram of the lighting fixture in Embodiment 2 of this invention. It is a side view which shows roughly the lighting fixture in Embodiment 3 of this invention.
  • FIG. 10 schematically shows a lighting apparatus according to Embodiment 3 of the present invention, and is a cross-sectional view taken along line XX in FIG. 9.
  • the vibration dynamo device 1 includes a tubular member 2, a coil 3 disposed on the outer periphery of the tubular member 2, a vibration member 10 accommodated in the tubular member 2, and a tubular member. 2 is provided with a closing member 4 disposed at both ends of the coil 2 and a casing 5 surrounding the coil 3.
  • the cylindrical member 2 has a hollow rod shape inside and is open at both ends.
  • the cylindrical member 2 of the present embodiment extends in the left-right direction (the direction of arrow A in FIG. 1) in FIG.
  • the outer shape and inner shape (hollow shape) of the cylindrical member 2 are not specifically limited, A circular shape, a rectangular shape, etc. are mentioned in cross-sectional view.
  • the cylindrical member 2 of the present embodiment has an outer shape and an inner shape that are cylindrical in a sectional view.
  • the internal diameter (hollow shape diameter) of the cylindrical member of this Embodiment is a little larger than the vibration member 10 mentioned later.
  • the cylindrical member 2 is formed of a nonmagnetic material.
  • the non-magnetic material is a material that is not a ferromagnetic material, and includes a paramagnetic material, a diamagnetic material, and an antiferromagnetic material.
  • Examples of the non-magnetic material include metals such as aluminum and synthetic resins such as plastic.
  • the coil 3 is wound around the outer periphery of the cylindrical member 2.
  • the cylindrical member 2 also serves as a bobbin for the coil 3.
  • the coil 3 of this Embodiment is provided in a part of outer periphery of the cylindrical member 2, you may be provided in the perimeter of the cylindrical member 2, and the area
  • the coil 3 is a solenoid coil, for example.
  • the vibrating member 10 is provided inside the cylindrical member 2 in a state in which the cylindrical member 2 can reciprocate along the extending direction of the cylindrical member 2 (the direction of the arrow A in FIG. 1). Since the coil 3 is disposed on the outer periphery of the cylindrical member 2, the vibrating member 10 reciprocates inside the coil 3.
  • the vibrating member 10 includes a magnet, and the coil 3 generates a voltage by the reciprocating motion of the vibrating member 10. That is, since the vibrating member 10 reciprocates along the winding axis direction of the coil 3, an alternating current is generated in the coil 3.
  • the vibration member 10 will be described later.
  • the closing member 4 is provided at both ends of the cylindrical member 2.
  • the closing member 4 closes the openings at both ends of the cylindrical member 2.
  • the vibration member 10 that reciprocates is accommodated in the cylindrical member 2 by the closing member 4.
  • the closing member 4 is made of a non-magnetic material, and is preferably made of an elastic material such as resin or rubber from the viewpoint of reducing damage to the vibration member 10 due to reciprocating motion.
  • a housing 5 is provided to accommodate the vibration member 10, the cylindrical member 2, the coil 3, and the closing member 4.
  • the housing 5 is made of a nonmagnetic material.
  • the vibration dynamo device 1 may further include a rectifying unit, a charging unit, and the like connected to the coil 3 (not shown).
  • a portion of the vibrating member 10 that contacts the cylindrical member 2 is a sphere.
  • the vibrating member 10 includes three or more elements 11a, 11b, 12a, 12b, 13a, 13b, 14a, 14b, 15a, and the three or more elements are reciprocating. It arrange
  • the structure (elements 13b and 14b) shown in FIGS. 4 and 5 is a sphere.
  • the sphere and the column include those whose outer shape means a sphere and a column, and whose inside is a cavity.
  • the column includes a cylinder, a prism, a disk shape, and the like, and is a cylinder in the present embodiment.
  • the outer diameters of the spheres located at both ends are larger than the outer diameters of the remaining spheres and / or pillars.
  • the spheres located at both ends serve as portions in contact with the cylindrical member 2 in the vibration member 10.
  • the outer diameters of the two spheres positioned at both ends are substantially the same. Substantially the same means that each of the two spheres at both ends contacts the cylindrical member when the vibrating member 10 reciprocates.
  • the outer diameter of the sphere is the diameter.
  • the outer diameter of the column is the diameter of the circle on the bottom surface in the case of a cylinder, and the diameter of the circumscribed circle on the bottom surface when the bottom surface of the column is an n-gon (n is an integer of 3 or more).
  • the spheres located at both ends are yokes, and the remainder of three or more elements (elements in FIG. 1).
  • 13a, 14a, 15a, elements 13a, 13b, 14a, 14b) in FIGS. 3 and 5 are magnets.
  • the elements constituting the vibration member 10 are made only of magnets.
  • the elements constituting the vibration member 10 are composed of magnets or are composed of magnets and yokes as described above, the three or more elements of the present embodiment are held by magnetic attraction. These are formed only by magnets or only by magnets and yokes, and hold each other only by magnetic attraction.
  • a magnet is a permanent magnet.
  • the magnet is magnetized in the reciprocating direction (axial direction).
  • the magnetization (magnetization) method is not particularly limited. For example, there is a method in which a magnet material is fixed at the center of the air-core coil, a pulse high current is passed, and magnetization is performed in the axial direction.
  • the material of the magnet is not particularly limited, but it is preferable to use a Nd—Fe—B sintered magnet from the viewpoint of showing a high magnetic force.
  • the yoke is a soft iron that amplifies the attraction force of the magnet, and it only needs to contain iron and includes a soft magnetic material.
  • a steel ball is used as the spherical yoke.
  • the vibrating member 10 shown in FIGS. 1 to 5 is an example, and is not particularly limited as long as the portion in contact with the cylindrical member 2 is a sphere.
  • the vibrating member 10 includes two elements, and the two elements may be magnet spheres.
  • the vibrating member 10 is not particularly limited as long as the vibrating member 10 has a size that can freely reciprocate within the cylindrical member 2, but the cylindrical member 2 and the vibrating member 10 of the vibrating dynamo device 1 including the vibrating member 10 illustrated in FIG. 5.
  • An example of the specific dimensions is given.
  • the inner diameter of the cylindrical member 2 is 10.5 mm, for example.
  • the outer diameter of the spheres (elements 11a and 12a) located at both ends of the vibration member 10 is 10.0 mm, for example.
  • the remaining spherical body (elements 13b and 14b) located at the center of the vibration member 10 has an outer diameter of 9.5 mm.
  • the casing 5 of the vibration dynamo device 1 is held and reciprocates along the extending direction of the cylindrical member 2, that is, along the arrow A in FIG.
  • the vibration member 10 reciprocates along the extending direction of the cylindrical member 2 inside the cylindrical member 2.
  • the vibration member 10 reciprocates in the coil 3 disposed on the outer periphery of the cylindrical member 2, so that the magnetic flux lines generated from the magnet of the vibration member 10 are orthogonal to the coil 3, and induction is performed at that time.
  • An induced current is generated as an electromotive force. Since the magnet included in the vibrating member 10 repeatedly enters and exits the coil 3, an alternating current is generated in the coil 3.
  • the alternating current generated in the coil 3 is transmitted to a rectification unit (not shown) via wiring (not shown) connected to both ends of the coil.
  • Full-wave rectification is performed by the rectification unit to rectify an alternating current into a DC power source, and the battery is charged by a charging unit (not shown).
  • the charged current is output to the outside through an electrode (not shown).
  • the current output to the outside is supplied to the load of the external device and is driven by the supplied current.
  • the vibration member 10 when the vibration member 10 reciprocates within the cylindrical member 2, the spheres positioned at both ends, which are elements of the vibration member 10, are in contact with the cylindrical member 2.
  • the vibration member 10 slides in a state of point contact. Thereby, since the sliding area of the vibration member 10 and the cylindrical member can be reduced, the contact resistance (sliding resistance) is reduced. Since the vibration member 10 is easy to move, the kinetic energy (vibration energy) of the vibration member 10 due to the force applied to the vibration dynamo device 1 can be efficiently converted into electric energy by the coil 3. Therefore, since the power generation efficiency of the vibration dynamo device 1 can be improved, the amount of electricity generated can be increased.
  • the vibration member 10 includes three or more elements 11a, 12a, 13b, and 14b.
  • Each of the three or more elements is a sphere, and spheres positioned at both ends.
  • the outer diameter of the (elements 11a and 12a) is larger than the outer diameter of the remaining spheres (elements 13b and 14b), the spheres located at both ends are yokes, and the remaining spheres are magnets.
  • the contact resistance between the vibrating member 10 and the cylindrical member 2 during the reciprocating motion of the vibrating member 10 can be reduced, and the generated magnetic force can be reduced by having the yoke effect of the central magnet and the yokes located at both ends. Since it can raise, power generation efficiency can be improved more. Further, since the vibration member 10 is made of a sphere, the cost can be reduced.
  • the lighting fixture 20 of this Embodiment is a lighting fixture provided with the vibration dynamo apparatus 1 of embodiment shown in FIG.
  • the lighting fixture 20 of the present embodiment is, for example, a walking lighting fixture, and includes the vibration dynamo device 1 of the first embodiment, a light source 21, and a handle 22. Yes.
  • the light source 21 and the handle 22 are attached to the housing 5 of the vibration dynamo device 1.
  • the vibration dynamo device 1 further includes a circuit for operating the light source 21.
  • the circuits are the above-described rectifying unit and charging unit, and are illustrated as a rectifying circuit 8 and a charging circuit 9 in FIG.
  • the lighting fixture 20 includes a cylindrical member 2, a coil 3, a closing member 4, a housing 5, a protruding member 6, a covering member 7, a rectifier circuit 8, a charging circuit 9, A light source 21, a handle 22, and a switch 23 are provided. Since cylindrical member 2, coil 3, closing member 4, and housing 5 constituting vibration dynamo device 1 are the same as those in the first embodiment, the description thereof will not be repeated.
  • the cylindrical member 2 shown in FIG. 7 has a smaller difference in length in the extending direction from the casing 5 than the cylindrical member 2 of the first embodiment shown in FIG.
  • the protruding member 6 is provided so as to protrude from the outer peripheral surface of the cylindrical member 2 toward the outer periphery.
  • the protruding member 6 covers both end portions in the extending direction of the coil 3. That is, the entire coil 3 is covered with the cylindrical member 2, the protruding member 6, and the housing 5.
  • the protruding member 6 may be integrally formed with the tubular member 2 or may be connected to another member.
  • the covering member 7 covers the released end portions of the cylindrical member 2 and the closing member 4.
  • the protruding member 6 and the covering member 7 are made of a nonmagnetic material.
  • a rectifier circuit 8 is provided at one end of the coil 3, and a charging circuit 9 is provided at the other end of the coil 3.
  • the rectifier circuit 8 rectifies the alternating current generated in the coil 3.
  • the charging circuit 9 charges the direct current converted by the rectifying circuit 8.
  • the light source 21 is attached to the housing 5 of the vibration dynamo device 1.
  • the light source 21 is attached to one end and the other end of the coil 3, and the vibration dynamo device 1 includes two light sources 21.
  • the light source 21 is not particularly limited as long as it emits light when a current is applied, and an LED, an incandescent bulb, a discharge lamp, or the like can be used.
  • the light source 21 is housed inside the housing 5, but is not particularly limited to this arrangement, and may be provided outside the housing 5.
  • a handle 22 is attached to the housing 5 of the vibration dynamo device 1.
  • a support portion 24 connected to each of both ends in the extending direction of the housing 5, a connection portion 25 connecting the two support portions 24, and an outer periphery of the connection portion 25 are provided. And a gripping portion 26.
  • the support portion 24 extends outward (upward in FIGS. 6 and 7) from both ends of the housing 5.
  • Each of the support portions 24 is formed with a through hole 24a at the upper end portion.
  • the through hole 24a is, for example, a size through which a string is inserted. When the string is inserted into the through hole 24a, the lighting fixture 20 can be hung on the shoulder.
  • a connecting portion 25 is provided so as to connect the support portion 24.
  • the connecting portion 25 extends along the extending direction of the tubular member 2.
  • a cylindrical gripping portion 26 is provided on the outer periphery of the connecting portion 25.
  • the grip part 26 is an area that is gripped during walking. For this reason, the grip part 26 is formed of a material having a good cushioning property.
  • a storage battery (not shown) is built in the connecting portion 25, the holding portion 26, or between the connecting portion 25 and the holding portion 26.
  • the handle 22 may be integrally formed with the housing 5 or may be connected with another member.
  • the support portion 24 and the connecting portion 25 are formed integrally with the housing 5, and the gripping portion 26 is prepared as a separate member and attached to the connecting portion 25.
  • the support part 24 and the connection part 25 are formed of the same material as the housing 5, and the gripping part 26 is formed of a material different from that of the housing 5.
  • the handle 22 is not particularly limited to the above structure, and may be a member in which the connecting portion 25 and the gripping portion 26 are integrally formed.
  • the switch 23 is attached to the housing 5 and switches the light source 21 on and off.
  • the handle 22 of the luminaire 20 is gripped and reciprocated along the extending direction of the cylindrical member 2, that is, the arrow A in FIG.
  • the vibrating member 10 reciprocates along the extending direction of the cylindrical member 2 inside the cylindrical member 2, so that the magnetic flux lines generated from the magnet of the vibrating member 10 Is orthogonal to the coil 3, an alternating current is generated in the coil 3.
  • the alternating current generated in the coil 3 is transmitted to the rectifier circuit 8 to be rectified and charged by the charging circuit 9.
  • the switch 23 When the light source 21 emits light, the switch 23 is turned on. As a result, the current charged in the charging circuit 9 is transmitted to the light source 21 to emit light. When the current charged in the charging circuit is small, a current is passed from the storage battery built in the handle 22 to the light source 21.
  • the switch 23 When the light source 21 does not emit light, the switch 23 is turned off. In this state, when the vibration member 10 is reciprocated, the current generated in the coil 3 can be charged to the charging circuit 9 via the rectifier circuit 8.
  • the lighting fixture 20 of the present embodiment includes the vibration dynamo device 1 of the first embodiment and the circuit incorporated in the housing 5 (the rectifier circuit 8 and the charging circuit 9 in the present embodiment). And a light source 21 and a handle 22 attached to the housing 5.
  • the vibration member 10 reciprocates in the cylindrical member 2, the spheres located at both ends of the vibration member 10 come into contact with the cylindrical member 2, so that the vibration member 10 and the cylindrical member 2 are in point contact. Become. Since the kinetic energy generated in the vibration member 10 can reduce the contact resistance, the conversion from the kinetic energy of the vibration member 10 to electrical energy by the coil 3 can be improved. Therefore, the lighting fixture 20 provided with the vibration dynamo device 1 with improved power generation efficiency can improve power generation efficiency.
  • Embodiment 3 A lighting apparatus according to Embodiment 3 of the present invention will be described with reference to FIGS.
  • the lighting fixture 30 of this Embodiment is a lighting fixture provided with the vibration dynamo apparatus 1 of embodiment shown in FIG.
  • the lighting fixture 30 of the present embodiment is, for example, a walking lighting fixture, and includes the vibration dynamo device 1 of the first embodiment, the light source 21, the protection member 31, and the support. Member 32.
  • the light source 21, the protection member 31, and the support member 32 are attached to the housing 5 of the vibration dynamo device 1.
  • the vibration dynamo device 1 further includes a circuit (the rectifier circuit 8 and the charging circuit 9 in FIG. 10) for operating the light source 21.
  • the lighting fixture 30 includes a cylindrical member 2, a coil 3, a closing member 4, a housing 5, a protruding member 6, a covering member 7, a rectifier circuit 8, a charging circuit 9, A light source 21, a protection member 31, and a support member 32 are provided. Since the cylindrical member 2, the coil 3, the closing member 4, and the housing 5 constituting the vibration dynamo device 1 are the same as those in the first embodiment, and the light source 21 is the same as that in the second embodiment, the description thereof will not be repeated. .
  • a rectifier circuit 8 is provided at one end of the covering member 7, and a charging circuit 9 is provided at the other end of the covering member 7.
  • a rectifier circuit 8 and a charging circuit 9 are provided at a distance from the coil 3.
  • an electric double layer capacitor is used for the charging circuit 9, for example, an electric double layer capacitor is used.
  • Protective member 31 is provided so as to cover the entire outer periphery extending in the extending direction of casing 5 of vibration dynamo device 1.
  • the protection member 31 is a member that protects the vibration dynamo device 1 and is made of, for example, an elastic material.
  • Support members 32 are attached to both ends of the housing 5 and the protection member 31.
  • the support member 32 protrudes in one direction (upward in FIG. 10) from the center of one end surface and the other end surface of the housing 5 toward the outside.
  • a through hole 32 a is formed at the end of the support member 32 opposite to the housing 5 and the protection member 31.
  • the through hole 32a is, for example, a size through which a string is inserted. When the string is inserted through the through hole 32a, the lighting device 30 can be hung on the shoulder.
  • the lighting fixture 30 may further include a switch (not shown) that switches the light source 21 on and off.
  • the protective member 31 of the luminaire 30 is gripped and reciprocated along the extending direction of the cylindrical member 2, that is, the arrow A in FIG.
  • the vibrating member 10 reciprocates along the extending direction of the cylindrical member 2 inside the cylindrical member 2, so that the magnetic flux lines generated from the magnet of the vibrating member 10 Is orthogonal to the coil 3, an alternating current is generated in the coil 3.
  • the alternating current generated in the coil 3 is transmitted to the rectifier circuit 8 to be rectified, charged by the charging circuit 9, and further transmitted to the light source 21 to emit light.
  • the lighting fixture 30 of the present embodiment includes the vibration dynamo device 1 of the first embodiment and the circuit incorporated in the housing 5 (the rectifier circuit 8 and the charging circuit 9 in the present embodiment). And a light source 21 attached to the housing 5.
  • the spheres located at both ends of the vibrating member 10 are in contact with the cylindrical member 2, so that the vibrating member 10 and the cylindrical member 2 are in point contact. Since the kinetic energy generated in the vibration member 10 can reduce the contact resistance, the conversion from the kinetic energy of the vibration member 10 to electrical energy by the coil 3 can be improved. Therefore, the lighting fixture 30 provided with the vibration dynamo device 1 with improved power generation efficiency can improve power generation efficiency.
  • the lighting fixture 20 of the second embodiment and the lighting fixture 30 of the third embodiment may further include a weight attached to the housing 5.
  • the lighting fixtures 20 and 30 that further play the role of a barbell can be realized.
  • Embodiment 4 With reference to FIG.12 and FIG.13, although the lighting fixture 40 of this Embodiment is the same as that of Embodiment 3, the light source 21 is attached only to the one end part of the housing
  • the lighting fixture 40 of the present embodiment is attached to the inner surface of a crank 52 connected to a bicycle pedal 51 as shown in FIGS. That is, the lighting fixture 40 is a bicycle lighting fixture.
  • the vibrating member 10 Since the crank 52 is rotated by the kinetic energy applied to the pedal 51 when the bicycle is running, the vibrating member 10 reciprocates along the extending direction of the tubular member 2 of the lighting device 40.
  • the magnetic flux lines generated from the magnet of the vibrating member 10 are orthogonal to the coil 3, whereby an alternating current is generated in the coil 3.
  • the alternating current generated in the coil 3 is transmitted to the rectifier circuit 8 to be rectified, charged by the charging circuit 9, and further transmitted to the light source 21 to emit light.
  • the pedal When the bicycle is not running, the pedal is not rotated, so that no current flows through the light source 21, and therefore no light is emitted.
  • Vibration dynamo device 2 cylindrical member, 3 coil, 4 closing member, 5 housing, 6 projecting member, 7 covering member, 8 rectifier circuit, 9 charging circuit, 10 vibrating member, 11a, 11b, 12a, 12b, 13a 13b, 14a, 14b, 15a elements, 20, 30, 40 lighting fixtures, 21 light sources, 22 handles, 23 switches, 24 support parts, 24a, 32a through holes, 25 connecting parts, 26 gripping parts, 31 protective members, 32 Support member, 51 pedal, 52 crank, A arrow.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)

Abstract

Ce dispositif de dynamo oscillant (1) est pourvu : d'un élément tubulaire (2) non magnétique ; d'une bobine (3) disposée sur la périphérie extérieure de l'élément tubulaire (2) ; et d'un élément oscillant (10) qui comprend un aimant et est logé dans l'élément tubulaire (2) de manière à pouvoir effectuer un mouvement de va-et-vient dans la direction dans laquelle s'étend l'élément tubulaire (2) ; les parties de l'élément oscillant (10) qui sont en contact avec l'élément tubulaire (2) étant des corps sphériques. L'élément oscillant (10) comprend trois éléments ou plus. Les éléments situés aux deux extrémités sont des corps sphériques, et le reste des trois éléments ou plus sont des corps sphériques et/ou des corps cylindriques. Le diamètre externe des corps sphériques situés aux deux extrémités est supérieur au diamètre externe des autres corps sphériques et/ou corps cylindriques.
PCT/JP2016/070653 2015-07-23 2016-07-13 Dispositif de dynamo oscillant WO2017014122A1 (fr)

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Application Number Priority Date Filing Date Title
CN201680035852.1A CN107710573B (zh) 2015-07-23 2016-07-13 振动发电装置

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JP2015146210A JP5989867B1 (ja) 2015-07-23 2015-07-23 振動ダイナモ装置
JP2015-146210 2015-07-23

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JP7067788B2 (ja) * 2018-05-31 2022-05-16 ヤマウチ株式会社 振動ダイナモ装置およびチャイム装置
JP2019216527A (ja) * 2018-06-12 2019-12-19 ヤマウチ株式会社 振動ダイナモ装置
JP7244078B2 (ja) * 2019-08-01 2023-03-22 ヤマウチ株式会社 発電装置
JP6868926B1 (ja) * 2020-11-24 2021-05-12 ヤマウチ株式会社 発電機
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