CN110557000A - Vibration generator device and ringing device - Google Patents
Vibration generator device and ringing device Download PDFInfo
- Publication number
- CN110557000A CN110557000A CN201910422518.7A CN201910422518A CN110557000A CN 110557000 A CN110557000 A CN 110557000A CN 201910422518 A CN201910422518 A CN 201910422518A CN 110557000 A CN110557000 A CN 110557000A
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- China
- Prior art keywords
- vibration
- power generator
- cylindrical member
- vibration power
- elastic body
- Prior art date
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Classifications
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
- G10K9/12—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated
- G10K9/13—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated using electromagnetic driving means
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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
Abstract
The invention provides a vibration generator device and a sounding device with simple structure. The vibration power generator device (2) is provided with a cylindrical member (20), a coil (31) arranged on the outer periphery of the cylindrical member (20), an elastic body (40) capable of elastic vibration in the vertical direction along the cylindrical member (20), a permanent magnet (51) and a magnet (52) which are arranged so as to sandwich the central part of the elastic body (40) from above and below and attract and hold each other by magnetic force. At least one of the permanent magnet (51) and the magnet (52) reciprocates within the coil (31) in accordance with the vibration of the elastic body (40).
Description
Technical Field
The present invention relates to a vibration generator device and a ringing device.
Background
As a power generation system for converting vibration energy into electric energy, there are a system utilizing electromagnetic induction, a system utilizing a piezoelectric element, a system utilizing electrostatic induction, and the like in the related art. The electromagnetic induction method is a method in which relative positions between a coil and a magnet are changed by vibration to generate electromagnetic induction on the coil and generate electric power. Examples of such techniques include japanese patent application laid-open nos. 2014-155363 (patent document 1), 2017-192271 (patent document 2), and 3209360 (patent document 3).
Patent document 1 discloses a power generation method in which an induced current is generated in a coil by utilizing the expansion and contraction force of external energy. Patent document 2 discloses that a coil spring is released to move a magnet relative to a coil, thereby generating electric power in the coil. Patent document 3 discloses that the permanent magnet swings inside the electromagnetic coil due to vibration of the base and thereby generates electricity.
Documents of the prior art
Patent document
Patent document 1: japanese patent laid-open publication No. 2014-155363
Patent document 2: japanese patent laid-open publication No. 2017-192271
Patent document 3: japanese Utility model No. 3209360
Disclosure of Invention
(problems to be solved by the invention)
The vibration generators of patent documents 1 to 3 require various members and are complicated in structure.
The present invention has been made to solve the above problems, and an object thereof is to provide a vibration generator device and a sounding device having a simple configuration.
(means for solving the problems)
A vibration power generator device of one form of the present invention includes: a cylindrical member which is a non-magnetic body and has an internal space extending in the vertical direction; a coil disposed on an outer periphery of the cylindrical member; an elastic body having an outer edge portion supported by the cylindrical member and a central portion located in an internal space of the cylindrical member, and being capable of elastically vibrating in a vertical direction along the cylindrical member; a permanent magnet and a magnet which are disposed so as to sandwich a central portion of the elastic body from above and below, and which attract and hold each other by a magnetic force; at least one of the permanent magnet or the magnet reciprocates within the coil in accordance with vibration of the elastic body.
Preferably, the permanent magnet and the magnet are spheres.
Preferably, the permanent magnet is a cylinder and the magnet is a sphere.
Preferably, the magnet is a permanent magnet.
preferably, the elastic body is a plate-shaped rubber, an annular gap is provided between the outer edge portion and the central portion, and a plurality of connecting portions for connecting the outer edge portion and the central portion are provided in the gap.
Preferably, the two cylindrical members are provided in the upper and lower directions, and the permanent magnet is disposed in the internal space of one of the cylindrical members and the magnet is disposed in the internal space of the other cylindrical member.
A sounding device of one form of the present invention includes: a vibration generator device; a frame body which accommodates the vibration generator device and comprises a top surface and a bottom surface; a button protruding upward from the top surface of the frame, located above the vibration power generator device, and connected to the vibration power generator device; a spring member provided between the bottom surface of the frame and the vibration power generator device, and biasing the vibration power generator device upward; and a sound generating device which generates sound by the current generated by the coil.
(effect of the invention)
According to the present invention, a vibration power generator device and a buzzer device having a simple configuration can be provided.
drawings
Fig. 1 is a sectional view schematically showing a switchgear according to embodiment 1 of the present invention.
Fig. 2 is a view showing an elastic body according to embodiment 1 of the present invention, fig. 2(a) is a plan view, and fig. 2(b) is a cross-sectional view taken along line IIb-IIb in fig. 2 (a).
Fig. 3 is a schematic circuit diagram of a switching device according to embodiment 1 of the present invention.
Fig. 4 is a diagram showing an operation of the switchgear according to embodiment 1 of the present invention.
Fig. 5 is a sectional view schematically showing a switchgear according to embodiment 2 of the present invention.
Fig. 6 is a sectional view schematically showing a switchgear according to embodiment 3 of the present invention.
Fig. 7 is a cross-sectional view schematically showing a modification of the switchgear according to embodiment 3 of the present invention.
Fig. 8 is a sectional view schematically showing a switchgear according to embodiment 4 of the present invention.
fig. 9 is a sectional view schematically showing a switchgear according to embodiment 5 of the present invention.
Description of reference numerals:
1. 1B, 1C, 1D, 1E sounding device, 2A, 2B, 2D, 2E vibration generator device, 10B frame, 11B side surface, 12 top surface, 13 bottom surface, 14 button, 15B spring member, 20B cylindrical member, 21 lower cylindrical member, 22, 23, 26B, 27B internal space, 24, 28B sealing member, 25B upper cylindrical member, 31, 32B coil, 40 elastic body, 41 central part, 42 connecting part, 43 outer edge part, 44 through hole, 45 hole, 51A first vibration member, 52B, 52D second vibration member, 61 rectifying circuit, 62 charging circuit, 63 sound generating device, 64 switch.
Detailed Description
Embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the drawings, the same or corresponding portions are denoted by the same reference numerals, and description thereof will not be repeated.
in the present embodiment, an example in which the vibration power generator device is used for the ringing device is described.
< embodiment 1 >
referring to fig. 1 and 2, a general structure of a sounding device 1 according to an embodiment of the present invention will be described. In fig. 1, the direction indicated by the arrow a is referred to as the vertical direction. The buzzer 1 is a device that generates sound or the like, and is, for example, a wireless buzzer that does not require a battery.
The sounding device 1 of the present embodiment includes a vibration power generator device 2, a housing 10 that houses the vibration power generator device 2, a button 14, a spring member 15, and a sound generation device 63 (fig. 3).
The frame 10 is box-shaped as a whole, and includes a side surface 11, a top surface 12 connecting upper end edges of the side surfaces 11, and a bottom surface 13 located below the side surfaces 11. The lower portion of the frame 10 is open. An opening in which the button 14 is disposed is provided in a substantially central portion of the top surface 12. The bottom surface 13 functions as a lid covering the lower open end of the housing 10.
The push button 14 protrudes upward from the top surface 12 of the housing 10, is located above the vibration power generator device 2, and is connected to the vibration power generator device 2. By pressing the button 14, the vibration power generator device 2 can be moved in the vertical direction.
the spring member 15 is provided between the bottom surface 13 of the housing 10 and the lower end of the vibration power generator device 2, and biases the vibration power generator device 2 upward. The spring member 15 is preferably, for example, a coil spring. The spring member 15 is a non-magnetic body. Thereby, the spring member 15 does not exert any influence on the power generation of the vibration generator device 2.
The sound generating device 63 shown in fig. 3 generates sound by the current generated by the vibration generator device 2. The details will be described later.
Next, the vibration power generator device 2 housed in the housing 10 will be described in detail. The vibration power generator device 2 includes a cylindrical member 20, a coil 31 disposed on the outer periphery of the cylindrical member, an elastic body 40, a first vibration member 51, and a second vibration member 52. A closing member 24 is disposed at the lower end of the cylindrical member 20. The closing member 24 may be a repulsive member or an elastic member, for example.
The cylindrical member 20 extends in the vertical direction and has internal spaces 22 and 23 described later. The outer shape and the inner shape (hollow shape) of the tubular member 20 are not particularly limited, and examples thereof include a circular shape and a rectangular shape in a cross-sectional view. The inner diameter (hollow diameter) of the cylindrical member 20 of the present embodiment is slightly larger than the outer diameter of the first vibration member 51 described later.
The cylindrical member 20 is formed of a non-magnetic body. The nonmagnetic material is not a ferromagnetic material, and includes a paramagnetic material, a diamagnetic material, and an antiferromagnetic material. Examples of the non-magnetic body include metals such as aluminum and synthetic resins such as plastics.
The cylindrical members 20 are provided in two in the upper and lower directions. Specifically, the cylindrical member 20 includes a lower cylindrical member 21 located at a lower position and an upper cylindrical member 25 located at an upper position. The outer shapes of the lower cylindrical member 21 and the upper cylindrical member 25 are cylindrical (circular columnar) in a cross-sectional view, and the lengths thereof in the width direction (for example, the left-right direction of the paper) are substantially the same. Specifically, the lower cylindrical member 21 has different-sized internal spaces 22, 23. The internal space 22 is a large space that opens upward, and the internal space 23 is a small space that is located below the internal space (large space) 22 and has an inner diameter smaller than the inner diameter of the internal space (large space) 22. The upper cylindrical member 25 also has an internal space 26. The size of the internal space 26 is the same as the internal space (large space) 22 of the lower cylindrical member 21.
The lower cylindrical member 21 has an open upper end and a closed lower end by the closing member 24. In addition, the upper end and the lower end of the upper cylindrical member 25 are open. The upper end of the upper cylindrical member 25 is connected to the lower end of the push button 14. An elastic body 40 is provided between the upper end of the lower cylindrical member 21 and the lower end of the upper cylindrical member 25.
The elastic body 40 can elastically vibrate in the up-down direction along the cylindrical member 20. Referring to fig. 2 in particular, the elastic body 40 is a plate-like rubber, and is preferably a synthetic rubber such as a silicone rubber in consideration of, for example, ozone degradation. The elastic body 40 is preferably thin, for example, 0.08mm to 2mm, and preferably 0.8mm, although the outer dimensions of the first and second vibration members 51 and 52 are different. The hardness of the elastic body 40 is preferably 90 ° or less as measured by a type a durometer. The outer shape of the elastic body 40 is substantially circular in a plan view. The elastic body 40 has an outer edge portion 43 and a central portion 41 located in the internal spaces 22, 26 of the tubular member 20. Specifically, the outer edge portion 43 is sandwiched between the lower cylindrical member 21 and the upper cylindrical member 25. Thereby, the elastic body 40 is supported by the cylindrical member 20.
An annular gap is provided between the outer edge 43 and the central portion 41, and a plurality of coupling portions 42 for coupling the outer edge 43 and the central portion 41 are provided in the gap. Thereby, for example, six through holes 44 are provided between the outer edge portion 43 and the central portion 41. By providing the plurality of through holes 44 and the coupling portion 42, the elastic body 40 can easily bend and vibrate vertically. Further, a plurality of holes 45 may be provided along the outer periphery of the outer edge portion 43. The elastic body 40 can be fixed to the tubular member 20 by passing a projection (not shown) provided at the upper end of the lower tubular member 21 through the hole 45 and engaging a recess (not shown) provided at the lower end of the upper tubular member 25.
A coil 31 is wound around the outer periphery of the lower cylindrical member 21. Therefore, the lower cylindrical member 21 also functions as a bobbin of the coil 31. The coil 31 of the present embodiment is provided on a part of the outer periphery of the lower cylindrical member 21. Specifically, the coil 31 is provided at a substantially central portion in the vertical direction of the lower cylindrical member 21. The coil 31 is, for example, a solenoid (solenoid). Further, the coil 31 may be provided on the entire outer periphery of the lower cylindrical member 21.
Inside the cylindrical member 20, a first vibration member 51 and a second vibration member 52 are provided in a state of being movable along the extending direction of the cylindrical member 20 (the vertical direction of the arrow a in fig. 1). The first vibration member 51 and the second vibration member 52 are disposed so as to sandwich the central portion 41 of the elastic body 40 from above and below, and are attracted to and held by each other by magnetic force. Thereby, the first vibration member 51 and the second vibration member 52 are held by the elastic body 40 and move together with the elastic body 40. The first vibration member 51 is disposed in the internal spaces 22 and 23 of the lower cylindrical member 21, and the second vibration member 52 is disposed in the internal space 26 of the upper cylindrical member 25.
The first vibration member 51 of the present embodiment is a permanent magnet, and is magnetized to have hemispherical N-pole and S-pole. The magnetization method is not particularly limited, and for example, a method of fixing a magnet material at the center of an air-core coil and applying a pulse large current to magnetize the magnet material in the axial direction may be mentioned. In addition, the permanent magnet is a magnet containing a hard magnetic material having a coercive force. The material of the magnet is not particularly limited, but a Nd — Fe — B sintered magnet is preferably used from the viewpoint of high magnetic properties. The first vibration member 51 is a sphere. Further, the spherical body means that its outer shape is spherical, including a spherical shape whose inside is hollow.
The second vibration member 52 of the present embodiment is a yoke (yoke) which is soft iron that amplifies the attraction force possessed by the magnet, and the yoke only needs to contain iron and is a magnet containing a soft magnetic material. Therefore, in the present embodiment, a steel ball is used as a yoke of the sphere. The second vibration member 52 is a sphere having an outer diameter smaller than that of the first vibration member 51. The sphere herein also means a sphere whose outer shape is spherical, including a sphere whose inner portion is hollow.
As described above, the coil 31 is disposed on the outer periphery of the lower cylindrical member 21. When the button 14 is pressed and the hand is released, the vibration generator device 2 moves downward, and the elastic body 40 repeats small amplitude vibration (bounce) in the vertical direction. Thereby, the first and second vibrating members 51 and 52 reciprocate simultaneously in the inner spaces 22 and 23 of the lower cylindrical member 21 along the extending direction of the cylindrical member 20. Since the first vibration member 51 reciprocates so as to pass through the coil 31 disposed on the outer periphery of the lower cylindrical member 21, lines of magnetic induction generated from the first vibration member 51 intersect the coil 31 perpendicularly, and at this time, induced current as induced electromotive force is generated. Since the first vibration member 51 repeats the movement in and out of the coil 31, an alternating current is generated in the coil 31.
Fig. 3 is an equivalent circuit diagram of the sounding device 1. Referring to fig. 3, the sounding device 1 includes the vibration power generator 2, a rectifier circuit 61, a charging circuit 62, a sound generator 63, and a switch 64. These members are housed in a frame 10 shown in fig. 1.
The rectifier circuit 61 is provided at one end of the coil 31 (fig. 1), and rectifies the alternating current generated in the coil 31. The charging circuit 62 charges the dc current converted by the rectifying circuit 61. The charging circuit 62 uses, for example, an electric double layer capacitor. The sound generating device 63 is not particularly limited as long as it generates sound when current is applied thereto, and for example, a buzzer, a bell, music, or the like can be used.
The switch 64 switches conduction/non-conduction of the sound generating device 63 by user operation. When the push button 14 (fig. 1) is pressed in a state where the switch is off, the current generated in the vibration generator device 2 is stored in the charging circuit 62. Therefore, according to the present embodiment, as long as the charging circuit 62 is charged, the sound generation device 63 can be caused to generate a sound by turning on the switch 64 even without pressing the button 14.
Next, the operation of the sounding device 1 according to the present embodiment will be described with reference to fig. 1 and 4.
First, the switch 64 (fig. 3) is turned on. When the push button 14 of the sounding device 1 is pushed downward, the vibration power generator device 2 also moves downward against the urging force of the spring member 15, as shown in fig. 4 (a). As a result, the first and second vibrating members 51 and 52 move downward in the internal spaces 22, 23, and 26 of the tubular member 20, and the elastic body 40 is also stretched downward. When the hand is released from the push button 14, the vibration power generator device 2 moves upward with the urging force of the spring member 15 as shown in fig. 4 (b).
As a result, in the internal spaces 22, 23, and 26 of the tubular member 20, the elastic body 40 moves upward as the first vibration member 51 and the second vibration member 52 move upward. Further, the elastic body 40 vibrates in the vertical direction in accordance with the vertical vibration of the spring member 15, and the first vibration member 51 and the second vibration member 52 also reciprocate in the vertical direction along the extending direction of the cylindrical member 20. Since the first vibration member 51 reciprocates so as to pass through the coil 31 disposed on the outer periphery of the lower cylindrical member 21, the magnetic induction lines generated from the first vibration member 51 intersect the coil 31 perpendicularly, and at this time, an induced current is generated as an induced electromotive force. Since the first vibration member 51 repeats the movement in and out of the coil 31, an alternating current is generated in the coil 31.
As shown in fig. 1 and 3, the ac dielectric generated in the coil 31 of the vibration power generator device 2 is transmitted to the rectifier circuit 61 by wires (not shown) connected to both ends of the coil 31. Full-wave rectification for rectifying ac power into dc power is performed by the rectifier circuit 61, and charging is performed by the charging circuit 62. The charged current is transmitted to the sound generator 63 via the switch 64. The sound generating device 63 is driven (operated) by the supplied current. This enables the user to use the sounding device 1.
In the sounding device 1 of the present embodiment, the first vibration member 51 that reciprocates in the coil 31 is supported by the elastic body 40 in a vertically vibratable manner, and therefore, power can be generated with a simple structure.
When the elastic body 40 vibrates in the vertical direction, it undergoes elastic deformation repeatedly while undergoing a stretching motion, as shown in fig. 4. In this case, since the first and second vibration members 51 and 52 are both spherical, when the elastic body 40 is sandwiched from above and below by the first vibration member 51 and the second vibration member 52, the first and second vibration members 51 and 52 are strongly attracted to a point at the center portion in the width direction of the outer peripheries of the first and second vibration members 51 and 52 via the elastic body 40. Accordingly, the elastic body 40 can effectively repeat the vertical vibration because the elastic deformation of the elastic body 40 is not hindered by the first vibration member 51 and the second vibration member 52.
In the following embodiments, another configuration example of the sounding device 1 will be described. Only the differences from embodiment 1 will be described in detail below.
< embodiment 2 >
In the vibration power generator device 2 according to embodiment 1, both the first vibration member 51 and the second vibration member 52 are spherical bodies, but in the present embodiment, the shape of the first vibration member 51A is different. Other structures may be the same as those in embodiment 1.
Referring to fig. 5, in the present embodiment, the first vibration member 51A is a permanent magnet and has a cylindrical shape. The cylindrical body is a cylindrical shape and includes a cylindrical body having a hollow inside.
In this case, since the first vibration member 51A is a cylindrical body and the second vibration member 52 is a spherical body, when the elastic body 40 is sandwiched between the first and second vibration members 51A and 52 from above and below, the first and second vibration members 51A and 52 are strongly attracted to one point at the center portion in the width direction of the flat surface portion of the first vibration member 51A and one point at the center portion in the width direction of the outer periphery of the second vibration member 52 via the elastic body 40. Thus, the elastic body 40 can effectively repeat vibration without the first vibration member 51A and the second vibration member 52 interfering with elastic deformation of the elastic body 40.
< embodiment 3 >
In embodiments 1 and 2, the vibration power generator devices 2 and 2A are provided with only one coil 31, but a coil may be provided on the upper cylindrical member 25B. In the present embodiment, the upper cylindrical member 25B, the second vibration member 52B, and the spring member 15B are different. Other structures may be the same as those of embodiment 1.
Referring to fig. 6, the upper cylindrical member 25B includes the same structure as the lower cylindrical member 21. Specifically, the upper cylindrical member 25B is vertically symmetrically disposed with the elastic body 40 as a boundary. That is, the upper cylindrical member 25B has inner spaces 26B, 27B of different sizes. The internal space 26B is a large space that opens downward, and the internal space 27B is a small space that is located above the internal space (large space) 26B and has an inner diameter smaller than that of the internal space (large space) 26B. A closing member 28B is disposed at the upper end of the upper cylindrical member 25B. The closing member 28B may be a repulsive member or an elastic member, for example.
A coil 32B is wound around the outer periphery of the upper cylindrical member 25B. Therefore, the upper cylindrical member 25B also functions as a bobbin of the coil 32B. The coil 32B of the present embodiment is provided on a part of the outer periphery of the upper cylindrical member 25B. Specifically, the coil 32B is attached to a substantially central portion in the vertical direction of the upper cylindrical member 25B. The coil 32B is, for example, an electromagnetic coil. Further, the coil 32B may be provided on the entire outer periphery of the upper cylindrical member 25B.
In the present embodiment, the first and second vibrating members 51 and 52B are permanent magnets and have spherical shapes. That is, the vibration power generator device 2B of the present embodiment is provided with two spherical permanent magnets. The first and second vibrating members 51 and 52B have substantially the same outer shape and size.
In the vibration power generator device 2B, the upper cylindrical member 25B and the lower cylindrical member 21 have the same configuration, and the length in the vertical direction of the vibration power generator device 2B is longer than those of embodiments 1 and 2, and therefore the length in the vertical direction of the side surface 11B of the frame 10B is also longer.
The spring member 15B is, for example, an annular spring. The annular spring is a spring having a conical surface and overlapping an inner ring and an outer ring with each other. The top of the spring member 15B fixes the top of the vibration power generator device 2B, and the bottom of the spring member 15B is provided on the bottom surface 13 of the frame 10B. Thereby, the spring member 15B biases the vibration power generator device 2B upward. The spring member 15B is a non-magnetic body.
In this case, the vibration power generator device 2B of the present embodiment is provided with the two coils 31 and 32B, and the first and second vibration members 51 and 52B of the permanent magnet reciprocate between the coils 31 and 32B, so that the vibration power generator device 2B of the present embodiment can increase the amount of power generation as compared with the embodiments 1 and 2. Since the vibration members 51 and 52B are both spherical, when the elastic body 40 is sandwiched from above and below by the first and second vibration members 51 and 52B, the elastic body is strongly attracted to a point at the center portion in the width direction of the outer peripheries of the first and second vibration members 51 and 52B. This prevents the elastic deformation of the elastic body 40 from being hindered by the first and second vibration members 51 and 52B, and the elastic body 40 can effectively repeat vibration.
In addition, in the sounding device 1B of embodiment 3, a ring-shaped spring is used as the spring member 15B. However, as shown in fig. 7, the sounding device 1C may use a coil spring as the spring member 15, as in embodiments 1 and 2. Other configurations may be the same as those of embodiment 3.
< embodiment 4 >
In the modification of embodiment 3 described above, the first and second vibration members 51 and 52B of the vibration power generator device 2B are both spherical bodies, but in the present embodiment, the first and second vibration members 51A and 52D are different in shape. Other configurations may be the same as the sounding device 1C according to the modification of embodiment 3.
Referring to fig. 8, in the present embodiment, the first and second vibrating members 51A and 52D are permanent magnets and have a cylindrical shape.
In this case, since the first and second vibration members 51A and 52D are each cylindrical in shape, when the elastic body 40 is sandwiched from above and below by the first and second vibration members 51A and 52D, the planar portions, that is, the surfaces of the first and second vibration members 51A and 52D are strongly attracted to each other, and the attraction force thereof is increased. Accordingly, although the first and second vibration members 51A and 52D slightly interfere with the elastic deformation of the elastic body 40, the elastic body can be reliably sandwiched from above and below by the first and second vibration members 51A and 52D, and therefore, the first and second vibration members 51A and 52D do not fall off from the elastic body 40.
< embodiment 5 >
In embodiment 4, both the first and second vibration members 51A and 52D of the vibration power generator device 2D are cylindrical, but in the present embodiment, the shape of the second vibration member 52B is different. Other structures may be the same as those in embodiment 4.
Referring to fig. 9, in the present embodiment, the first vibration member 51A is a permanent magnet and has a cylindrical shape. The second vibration member 52B is a permanent magnet, and has a spherical shape.
In this case, since the first vibration member 51A is a cylindrical body and the second vibration member 52B is a spherical body, when the elastic body 40 is sandwiched from above and below by the first and second vibration members 51A and 52B, it is strongly attracted at one point of the width direction central portion of the plane of the first vibration member 51A and the width direction central portion of the outer periphery of the second vibration member 52B. This prevents the elastic deformation of the elastic body 40 from being hindered by the first and second vibration members 51A and 52B, and the elastic body 40 can effectively repeat vibration.
in embodiments 1 to 5, the vibration power generator devices 2 to 2E are used for the sounding devices 1 to 1E. However, the vibration generator devices 2 to 2E are not limited to those used for the sounding device, and may be used in various devices that can generate electric power by the vibration of the elastic body 40, such as a button and a signal generator.
In embodiments 1 and 2, the second vibration member 52 is described as a yoke, but may be a permanent magnet. When the second vibration member 52 is a permanent magnet, the first vibration members 51 and 51A may be yokes. In this case, the first vibration member 51 serving as a yoke reciprocates in the coil 31. In embodiments 3 to 5, the first vibration members 51 and 51A and the second vibration members 52B and 52D are both permanent magnets, but one of them may be a permanent magnet and the other may be a yoke. The outer shapes of the first vibration members 51 and 51A and the second vibration members 52B and 52D according to embodiments 1 to 5 are not limited to the above shapes.
In embodiments 1 and 2, one permanent magnet is provided as the first vibration member 51, but two or more permanent magnets may be provided as the first vibration members 51 and 51A. In embodiments 3 to 5, two or more permanent magnets may be provided not only for the first vibration members 51 and 51A but also for the second vibration members 52B and 52D.
In embodiments 1 and 2, the upper cylindrical member 25 is described as being disposed above the lower cylindrical member 21, but the upper cylindrical member 25 may not be provided, and the second vibration member 52 may be held by another structure such as a spacer.
in addition, the above embodiments 1 to 5 can be combined as appropriate.
The embodiments of the present invention have been described above with reference to the drawings, but the present invention is not limited to the embodiments shown in the drawings. Various modifications and variations can be added to the embodiments shown in the drawings within the same scope or equivalent scope of the present invention.
Claims (7)
1. A vibration power generator apparatus, comprising:
A cylindrical member which is a non-magnetic body and has an internal space extending in the vertical direction;
A coil disposed on an outer periphery of the cylindrical member;
An elastic body having an outer edge portion supported by the cylindrical member and a central portion located in an internal space of the cylindrical member, the elastic body being elastically vibratable in a vertical direction along the cylindrical member;
A permanent magnet and a magnet which are disposed so as to sandwich a central portion of the elastic body from above and below, and which attract and hold each other by a magnetic force;
At least one of the permanent magnet or the magnet reciprocates within the coil as the elastomer vibrates.
2. Vibration power generator apparatus according to claim 1,
The permanent magnet and the magnet are spheres.
3. Vibration power generator apparatus according to claim 1,
The permanent magnet is a cylinder, and the magnet is a sphere.
4. A vibration power generator apparatus according to any one of claims 1 to 3,
the magnet is a permanent magnet.
5. A vibration power generator apparatus according to any one of claims 1 to 3,
The elastic body is a plate-shaped rubber, an annular gap is arranged between the outer edge part and the central part,
a plurality of coupling portions for coupling the outer edge portion and the central portion are provided in the gap.
6. A vibration power generator apparatus according to any one of claims 1 to 3,
The two cylindrical components are arranged at the upper part and the lower part,
the permanent magnet is disposed in the internal space of the one cylindrical member, and the magnet is disposed in the internal space of the other cylindrical member.
7. A ringing device, comprising:
A vibration power generator apparatus as claimed in any one of claims 1 to 3;
A frame body which accommodates the vibration generator device and includes a top surface and a bottom surface;
A button protruding upward from the top surface of the housing, located above the vibration power generator device, and connected to the vibration power generator device;
A spring member provided between the bottom surface of the housing and the vibration power generator device, and biasing the vibration power generator device upward;
A sound generating device that emits sound by the current generated by the coil.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018-105037 | 2018-05-31 | ||
| JP2018105037A JP7067788B2 (en) | 2018-05-31 | 2018-05-31 | Vibration dynamo device and chime device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110557000A true CN110557000A (en) | 2019-12-10 |
| CN110557000B CN110557000B (en) | 2023-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910422518.7A Active CN110557000B (en) | 2018-05-31 | 2019-05-21 | Vibration generator device and ringing device |
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| Country | Link |
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| JP (1) | JP7067788B2 (en) |
| CN (1) | CN110557000B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2022043419A (en) * | 2020-09-04 | 2022-03-16 | ヤマウチ株式会社 | Power generator |
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Also Published As
| Publication number | Publication date |
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| JP7067788B2 (en) | 2022-05-16 |
| JP2019213279A (en) | 2019-12-12 |
| CN110557000B (en) | 2023-01-13 |
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