JP2019213279A - Vibration dynamo device and chime apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a vibration dynamo device and a chime device having a simple structure. A vibrating dynamo device (2) includes a tubular member (20), a coil (31) arranged on an outer periphery of the tubular member (20), and a coil member (20) extending vertically along the tubular member (20). An elastic body (40) capable of elastically vibrating, and a permanent magnet (51) and a magnetic body (52) which are arranged so as to sandwich the central portion of the elastic body (40) from above and below and which are attracted and held together by a magnetic force. Prepare At least one of the permanent magnet (51) and the magnetic body (52) reciprocates in the coil (31) with the vibration of the elastic body (40). [Selection diagram] Figure 1

Description

  The present invention relates to a vibration dynamo device and a chime device.

  Conventionally, as 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 techniques include Japanese Patent Application Laid-Open No. 2014-155363 (Patent Document 1), Japanese Patent Application Laid-Open No. 2017-192271 (Patent Document 2), and Utility Model Registration No. 3209360 (Patent Document 3). .

  Patent Document 1 discloses a power generation method in which an induction current is generated in a coil by using a stretching force of external energy. Patent Document 2 discloses that by releasing a coil spring, a magnet moves relative to the coil to generate electric power in the coil. Patent Document 3 discloses that power is generated by a permanent magnet swinging in an electromagnetic coil by vibration of a base.

JP 2014-155363 A JP 2017-192271 A Utility Model Registration No. 3209360

  The vibration generators of Patent Documents 1 to 3 described above require various members and have a complicated structure.

  The present invention has been made to solve the above-described problems, and an object thereof is to provide a vibration dynamo device and a chime device having a simple structure.

  A vibration dynamo device according to an aspect of the present invention includes a nonmagnetic cylindrical member having an internal space extending in the vertical direction, a coil disposed on the outer periphery of the cylindrical member, and an outer edge portion supported by the cylindrical member. And an elastic body that is elastically vibrated in the vertical direction along the cylindrical member, and is arranged so as to sandwich the central part of the elastic body from above and below. A permanent magnet and a magnetic body that are attracted and held to each other by a magnetic force are provided, and at least one of the permanent magnet and the magnetic body reciprocates in the coil in accordance with the vibration of the elastic body.

  Preferably, the permanent magnet and the magnetic body are spheres.

  Preferably, the permanent magnet is a cylindrical body, and the magnetic body is a sphere.

  Preferably, the magnetic body is a permanent magnet.

  Preferably, the elastic body is a plate-like rubber, and a ring-shaped gap is provided between the outer edge portion and the central portion, and the gap includes a plurality of connecting portions that connect the outer edge portion and the central portion. Is provided.

  Preferably, two cylindrical members are provided on the upper and lower sides, one cylindrical member has a permanent magnet disposed in the internal space, and the other cylindrical member has a magnetic body disposed in the internal space.

  A chime device according to an aspect of the present invention includes a vibration dynamo device, a housing that includes the vibration dynamo device, a top surface and a bottom surface, a projection that protrudes upward from the top surface of the housing, is positioned above the vibration dynamo, A push button that contacts the dynamo, a spring member that is provided between the bottom surface of the housing and the vibration dynamo device, biases the vibration dynamo device upward, and a sound generator that generates sound by the current generated by the coil. .

  According to the present invention, it is possible to provide a vibration dynamo device and a chime device having a simple structure.

It is sectional drawing which shows schematically the switch apparatus which concerns on Embodiment 1 of this invention. It is a figure which shows the elastic body in Embodiment 1 of this invention, (a) is a top view, (b) is sectional drawing along the IIb-IIb line | wire in Fig.2 (a). 1 is a schematic circuit diagram of a switch device according to Embodiment 1 of the present invention. It is a figure which shows operation | movement of the switch apparatus which concerns on Embodiment 1 of this invention. It is sectional drawing which shows schematically the switch apparatus which concerns on Embodiment 2 of this invention. It is sectional drawing which shows schematically the switch apparatus which concerns on Embodiment 3 of this invention. It is sectional drawing which shows roughly the modification of the switch apparatus which concerns on Embodiment 3 of this invention. It is sectional drawing which shows schematically the switch apparatus which concerns on Embodiment 4 of this invention. It is sectional drawing which shows schematically the switch apparatus which concerns on Embodiment 5 of this invention.

  Embodiments of the present invention will be described in detail with reference to the drawings. In the drawings, the same or corresponding parts are denoted by the same reference numerals and description thereof will not be repeated.

  In this embodiment, an example in which the vibration dynamo device is used in a chime device will be described.

<Embodiment 1>
With reference to FIG. 1 and FIG. 2, the schematic structure of the chime apparatus 1 which concerns on one embodiment of this invention is demonstrated. In FIG. 1, the direction indicated by the arrow A is referred to as the vertical direction. The chime device 1 is a device that generates sound, for example, a wireless chime that does not require a battery.

  The chime device 1 according to the present embodiment includes a vibration dynamo device 2, a housing 10 that houses the vibration dynamo device 2, a push button 14, a spring member 15, and a sound generator 63 (FIG. 3). .

  The housing 10 has a box shape as a whole, and includes a side surface 11, a top surface 12 connected to the upper end edge of the side surface 11, and a bottom surface 13 positioned below the side surface 11. The lower part of the housing 10 is open. An opening in which the push button 14 is disposed is provided at a substantially central portion of the upper surface 12. The bottom surface 13 serves as a lid that covers the open end below the housing 10.

  The push button 14 protrudes upward from the upper surface 12 of the housing 10, is positioned above the vibration dynamo device 2, and contacts the vibration dynamo device 2. By pressing the push button 14, the vibration dynamo 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 dynamo device 2 and biases the vibration dynamo device 2 upward. The spring member 15 is preferably a coil spring, for example. The spring member 15 is a nonmagnetic material. Thereby, the spring member 15 has no influence on the power generation of the vibration dynamo device 2.

  The sound generator 63 shown in FIG. 3 generates sound by the current generated by the vibration dynamo device 2. Details will be described later.

  Next, the vibration dynamo device 2 housed in the housing 10 will be described in detail. The vibration dynamo device 2 includes a tubular member 20, a coil 31 disposed on the outer periphery of the tubular 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 repulsion 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. In addition, the outer shape and inner shape (hollow shape) of the cylindrical member 20 are not specifically limited, A circular shape, a rectangular shape, etc. are mentioned in cross-sectional view. In addition, the inner diameter (hollow diameter) of the cylindrical member 20 of the present embodiment is slightly larger than the outer diameter of the first vibrating member 51 described later.

  The cylindrical member 20 is made of a nonmagnetic material. The nonmagnetic 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.

  Two cylindrical members 20 are provided on the upper and lower sides. Specifically, the cylindrical member 20 includes a lower cylindrical member 21 positioned below and an upper cylindrical member 25 positioned above. The outer shape of the lower cylindrical member 21 and the upper cylindrical member 25 is a cylindrical shape (cylindrical body) in a cross-sectional view, and the width direction (for example, the right and left direction in the drawing) is substantially the same. Specifically, the lower cylindrical member 21 has internal spaces 22 and 23 having different sizes. The internal space 22 is a large space that opens upward, and the internal space 23 is a small space that is positioned below the internal space (large space) 22 and has an inner diameter smaller than that of the internal space (large space) 22. The upper tubular member 25 also has an internal space 26. The internal space 26 is the same size as the internal space (large space) 22 of the lower cylindrical member 21.

  The lower cylindrical member 21 has an open upper end and is closed by the closing member 24 described above. Further, the upper cylindrical member 25 is open at the upper end and the lower end. The upper end of the upper cylindrical member 25 is in contact with the lower end of the push button 14 described above. 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 vertical direction along the cylindrical member 20. With particular reference to FIG. 2, the elastic body 40 is a plate-like rubber, and is preferably a synthetic rubber such as silicon rubber in consideration of, for example, ozone deterioration. The elastic body 40 differs depending on the size of the outer shape of the first and second vibrating members 51 and 52, but is preferably thinner. The thickness is, for example, 0.08 mm or more, for example, 2 mm or less, preferably 0. 8 mm or less. The hardness of the elastic body 40 is preferably 90 ° or less in terms of durometer A hardness. Further, the outer shape of the elastic body 40 is substantially circular in plan view. The elastic body 40 has an outer edge portion 43 and a central portion 41 located in the inner spaces 22 and 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.

  A ring-shaped gap is provided between the outer edge portion 43 and the central portion 41, and a plurality of connecting portions 42 that connect the outer edge portion 43 and the central portion 41 are provided in the gap. Accordingly, 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 connecting portion 42, the elastic body 40 is easily bent and easily vibrates up and down. The outer edge 43 may be provided with a plurality of holes 45 along the outer periphery. A protrusion (not shown) provided at the upper end of the lower cylindrical member 21 passes through the hole 45 and engages with a recess (not shown) provided at the lower end of the upper cylindrical member 25, whereby the elastic body 40. Can be fixed to the cylindrical member 20.

  A coil 31 is wound around the outer periphery of the lower cylindrical member 21. For this reason, the lower cylindrical member 21 also serves as a bobbin for 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 attached to a substantially central portion in the vertical direction of the lower cylindrical member 21. The coil 31 is, for example, a solenoid coil. The coil 31 may be provided on the entire circumference of the lower cylindrical member 21.

  A first vibrating member 51 and a second vibrating member 52 are provided inside the cylindrical member 20 in a state that it can move along the extending direction of the cylindrical member 20 (the vertical direction of the arrow A in FIG. 1). ing. The first vibrating member 51 and the fifth second vibrating member 52 are arranged so as to sandwich the central portion 41 of the elastic body 40 from above and below, and are attracted and held by magnetic force. Thereby, the first vibrating member 51 and the second vibrating member 52 are held by the elastic body 40 and move together with the elastic body 40. The lower cylindrical member 21 arranges the first vibrating member 51 in the internal spaces 22 and 23, and the upper cylindrical member 25 arranges the second vibrating member 52 in the internal space 26.

  The first vibrating member 51 of the present embodiment is a permanent magnet and is magnetized so as to have a hemispherical N pole and S pole. 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 permanent magnet is a magnetic body including a hard magnetic material having a coercive force. 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 first vibrating member 51 is a sphere. Note that the sphere means that the outer shape is spherical, and includes a hollow inside.

  The second vibrating member 52 of the present embodiment is a yoke (a yoke), is soft iron that amplifies the attractive force of the magnet, and may contain iron, and is a magnetic body containing a soft magnetic material. Therefore, in this embodiment, a steel ball is used as the spherical yoke. The second vibrating member 52 is a sphere and has an outer diameter smaller than that of the first vibrating member 51. The sphere here also means that the outer shape is spherical, and includes a hollow inside.

  As described above, the coil 31 is disposed on the outer periphery of the lower cylindrical member 21. When the push button 14 is pushed and released, the vibration dynamo device 2 moves downward, and the elastic body 40 repeatedly vibrates up and down (bound) in small increments. Accordingly, the first and second vibrating members 51 and 52 reciprocate simultaneously along the extending direction of the tubular member 20 in the internal spaces 22 and 23 of the lower tubular member 21. Since the first vibrating member 51 reciprocates so as to pass through the coil 31 disposed on the outer periphery of the lower cylindrical member 21, the magnetic flux lines generated from the first vibrating member 51 are orthogonal to the coil 31. At that time, an induced current is generated as an induced electromotive force. Since the first vibrating member 51 repeats entering and exiting the coil 31, an alternating current is generated in the coil 31.

  FIG. 3 is an equivalent circuit diagram of the chime device 1. Referring to FIG. 3, the chime device 1 includes the above-described vibration dynamo device 2, a rectifier circuit 61, a charging circuit 62, a sound generator 63, and a switch 64. All of these are housed in a housing 10 shown in FIG.

  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 direct current converted by the rectifying circuit 61. For the charging circuit 62, for example, an electric double layer capacitor is used. The sound generator 63 is not particularly limited as long as it emits a sound when a current is applied. For example, a buzzer, a bell, music, or the like can be used.

  The switch 64 is operated by the user to switch between conduction / non-conduction of the sound generator 63. When the push button 14 (FIG. 1) is pressed while the switch is OFF, the current generated by the vibration dynamo device 2 is stored in the charging circuit 62. Therefore, according to the present embodiment, if the charging circuit 62 is charged, the sound generator 63 can be sounded by turning on the switch 64 without pressing the push button 14.

  Then, with reference to FIG. 1, FIG. 4, operation | movement of the chime apparatus 1 of this Embodiment is demonstrated.

  First, the switch 64 (FIG. 3) is turned on to make it conductive. When the push button 14 of the chime device 1 is pressed downward, the vibration dynamo device 2 also moves downward against the urging force of the spring member 15 as shown in FIG. Thereby, in the internal spaces 22, 23, and 26 of the cylindrical member 20, the first and second vibrating members 51 and 52 move downward, and accordingly, the elastic body 40 also extends downward. Then, as shown in FIG. 4B, when the hand is released from the push button 14, the vibration dynamo device 2 also moves upward along with the urging force of the spring member 15.

  Thereby, in the internal spaces 22, 23, and 26 of the cylindrical member 20, the 1st vibration member 51 and the 2nd vibration member 52 move upwards, and the elastic body 40 also moves upwards in connection with it. Further, the elastic body 40 vibrates up and down with the vertical vibration of the spring member 15, and the first vibration member 51 and the second vibration member 52 also reciprocate up and down along the extending direction of the tubular member 20. . Since the first vibrating member 51 reciprocates so as to pass through the coil 31 disposed on the outer periphery of the lower cylindrical member 21, the magnetic flux lines generated from the first vibrating member 51 are orthogonal to the coil 31. At that time, an induced current is generated as an induced electromotive force. Since the first vibrating member 51 repeats entering and exiting the coil 31, an alternating current is generated in the coil 31.

  As shown in FIGS. 1 and 3, the alternating current generated in the coil 31 of the vibration dynamo device 2 is transmitted to the rectifier circuit 61 via wires (not shown) connected to both ends of the coil 31. Full-wave rectification is performed by the rectifier circuit 61 to rectify an alternating current into a DC power source, and the charging circuit 62 charges the battery. The charged current is transmitted to the sound generator 63 via the switch 64. The sound generator 63 is driven (operated) by the supplied current. In this way, the user can use the chime device 1.

  In the chime device 1 according to the present embodiment, since the first vibrating member 51 that reciprocates in the coil 31 is supported by the elastic body 40 so as to vibrate in the vertical direction, power can be generated with a simple structure.

  Further, when the elastic body 40 vibrates up and down, as shown in FIG. 4, the elastic body 40 expands and contracts and repeats elastic deformation. In this case, since both the first and second vibrating members 51 and 52 are spherical bodies, when the elastic body 40 is sandwiched from above and below by the first vibrating member 51 and the second vibrating member 52, the first and second vibrating members 51, 52 is strongly sucked through the elastic body 40 at one point in the center in the width direction of the outer periphery of the first and second vibrating members 51 and 52. Thereby, since the 1st vibration member 51 and the 2nd vibration member 52 do not inhibit elastic deformation of elastic body 40, elastic body 40 can repeat an up-and-down vibration efficiently.

  In the following embodiment, another configuration example of the chime device 1 will be described. Only differences from the first embodiment will be described in detail below.

<Embodiment 2>
In the vibration dynamo device 2 of the first embodiment, the first vibration member 51 and the second vibration member 52 are both spheres, but in the present embodiment, the shape of the first vibration member 51A is different. Other configurations may be the same as those in the first embodiment.

  With reference to FIG. 5, in the present embodiment, first vibration member 51 </ b> A is a permanent magnet and has a cylindrical shape. In addition, a cylindrical body means that an external shape is a column shape, and the inside has a cavity.

  In this case, since the first vibration member 51A is a cylindrical body and the second vibration member 52 is a sphere, when the elastic body 40 is sandwiched from above and below by the first and second vibration members 51A, 52, the first and second vibration members 51A , 52 are strongly attracted via the elastic body 40 at one point in the width direction central portion of the planar portion of the first vibration member 51A and one point in the width direction central portion of the outer periphery of the second vibration member 52. Accordingly, the first vibrating member 51A and the second vibrating member 52 do not hinder the elastic deformation of the elastic body 40, and the elastic body 40 can repeatedly vibrate efficiently.

<Embodiment 3>
In the first and second embodiments, the vibration dynamo devices 2 and 2A are provided with only one coil 31, but may be provided on the upper tubular member 25B. In the present embodiment, the upper cylindrical member 25B, the second vibration member 52B, and the spring member 15B are different. Other configurations may be the same as those in the first embodiment.

  With reference to FIG. 6, the upper cylindrical member 25 </ b> B has the same configuration as the lower cylindrical member 21. Specifically, the upper cylindrical member 25B is provided symmetrically with respect to the elastic body 40 as a boundary. That is, the upper cylindrical member 25B has internal spaces 26B and 27B having different sizes. The internal space 26B is a large space that opens downward, and the internal space 27B is located above the internal space (large space) 26B and is a small space that is smaller than 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, for example, a repulsion member or an elastic member.

  A coil 32B is wound around the outer periphery of the upper cylindrical member 25B. For this reason, the upper cylindrical member 25B also serves as a bobbin for 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, a solenoid coil. The coil 32B may be provided on the entire circumference of the upper cylindrical member 25B.

  In the present embodiment, the first and second vibrating members 51 and 52B are permanent magnets and have a spherical shape. That is, the spherical dynamo device 2B of the present embodiment is provided with two spherical permanent magnets. The outer sizes of the first and second vibrating members 51 and 52B are substantially the same.

  In the vibration dynamo device 2B, the upper cylindrical member 25B and the lower cylindrical member 21 have the same configuration, and the vertical length of the vibration dynamo device 2B is longer than in the first and second embodiments. The length of the side surface 11B of the housing 10B in the vertical direction is also long.

  The spring member 15B is, for example, a ring spring. The ring spring is a spring in which inner rings and outer rings having a conical surface are alternately combined and stacked. The upper part of the spring member 15B fixes the upper part of the vibration dynamo device 2B, and the lower part of the spring member 15B is provided on the bottom surface 13 of the housing 10B. Accordingly, the spring member 15B biases the vibration dynamo device 2B upward. The spring member 15B is a nonmagnetic material.

  In this case, the vibration dynamo device 2B of the present embodiment is provided with two coils 31, 32B, and the first and second vibration members 51, 52B of permanent magnets reciprocate between them. Compared with, power generation can be increased. Further, since the vibration members 51 and 52B are both spherical bodies, when the elastic body 40 is sandwiched from above and below by the first and second vibration members 51 and 52B, the center in the width direction of the outer periphery of the first and second vibration members 51 and 52B. Strong suction at one point. Thereby, the 1st, 2nd vibration members 51 and 52B do not inhibit the elastic deformation of the elastic body 40, and the elastic body 40 can repeat a vibration efficiently.

  In the chime device 1B of the third embodiment, a ring spring is used as the spring member 15B. However, as shown in FIG. 7, the chime device 1 </ b> C may use a coil spring as the spring member 15 as in the first and second embodiments. Other configurations may be the same as those of the third embodiment described above.

<Embodiment 4>
In the modification of the third embodiment, the first and second vibration members 51 and 52B of the vibration dynamo device 2B are both spheres. However, in the present embodiment, the shapes of the first and second vibration members 51A and 52D are used. Is different. Other configurations may be the same as those of the chime device 1C according to the modification of the third embodiment.

  Referring to FIG. 8, in the present embodiment, first and second vibrating members 51A and 52D are permanent magnets and are cylindrical in shape.

  In this case, since the shapes of the first and second vibrating members 51A and 52D are both cylindrical, when the elastic body 40 is sandwiched from above and below by the first and second vibrating members 51A and 52D, the first and second vibrating members 51A. , 52D, that is, the surfaces are sucked strongly and the attraction force is increased. Thus, although the first and second vibrating members 51A and 52D slightly obstruct the elastic deformation of the elastic body 40, the first and second vibrating members 51A and 52D can be securely sandwiched from above and below by the first and second vibrating members 51A and 52D. There is no possibility that the vibration members 51 </ b> A and 52 </ b> D are detached from the elastic body 40.

<Embodiment 5>
In the fourth embodiment, in the vibration dynamo device 2D, the first and second vibration members 51A and 52D are both cylindrical, but in the present embodiment, the shape of the second vibration member 52B is different. Other configurations may be the same as those in the fourth embodiment.

  Referring to FIG. 9, in the present embodiment, first vibration member 51A is a permanent magnet and has a cylindrical shape. The second vibrating 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 sphere, when the elastic body 40 is sandwiched from above and below by the first and second vibration members 51A and 52B, the plane of the first vibration member 51A The central portion in the width direction and the central portion in the width direction of the outer periphery of the second vibrating member 52B are strongly sucked. Accordingly, the first and second vibrating members 51A and 52B do not hinder the elastic deformation of the elastic body 40, and the elastic body 40 can efficiently repeat the vibration.

  In Embodiments 1 to 5, the vibration dynamo devices 2 to 2E are described as being used for the chime devices 1 to 1E. However, the vibration dynamo devices 2 to 2E are not limited to being used in a chime device, and may be used in various devices that can generate electric power using vibrations of the elastic body 40, such as push buttons and signal generators. Can do.

  In the first and second embodiments, the second vibrating 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 that case, the first vibrating member 51 of the yoke reciprocates in the coil 31. In the third to fifth embodiments, the first vibration member 51, 51A and the second vibration member 52B, 52D are described as being permanent magnets, but one may be a permanent magnet and the other may be a yoke. . The outer shapes of the first vibrating members 51 and 51A and the second vibrating members 52B and 52D in the first to fifth embodiments are not limited to the shapes described above.

  In the first and second embodiments, one permanent magnet is provided as the first vibrating member 51. However, two or more permanent magnets may be provided as the first vibrating member 51 and 51A. In the third to fifth embodiments, two or more permanent magnets may be provided not only in the first vibrating members 51 and 51A but also in the second vibrating members 52B and 52B.

  In the first and second embodiments, the upper cylindrical member 25 is provided above the lower cylindrical member 21. However, the upper cylindrical member 25 may not be provided, and other structures such as spacers may be provided. As long as the second vibrating member 52 is held by the above.

  Moreover, you may combine the said Embodiment 1-5 suitably.

  Although the embodiments of the present invention have been described with reference to the drawings, the present invention is not limited to the illustrated embodiments. Various modifications and variations can be made to the illustrated embodiment within the same range or equivalent range as the present invention.

  1,1B, 1C, 1D, 1E chime device, 2,2A, 2B, 2D, 2E vibration dynamo device, 10,10B housing, 11,11B side surface, 12 top surface, 13 bottom surface, 14 push button, 15, 15B spring Member, 20, 20B cylindrical member, 21 lower cylindrical member, 22, 23, 26, 26B, 27B internal space, 24, 28B closing member, 25, 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 part, 51, 51A first vibration member, 52, 52B, 52D second vibration member, 61 rectifier circuit, 62 charging circuit, 63 sound generator 64 switches.

Claims (7)

A non-magnetic cylindrical member having an internal space extending in the vertical direction;
A coil disposed on the outer periphery of the tubular member;
An elastic body having an outer edge portion supported by the tubular member and a central portion located in an internal space of the tubular member, and capable of elastically vibrating in the vertical direction along the tubular member;
It is arranged so as to sandwich the central part of the elastic body from above and below, and comprises a permanent magnet and a magnetic body that are attracted and held together by magnetic force,
At least one of the permanent magnet or the magnetic body is a vibration dynamo device that reciprocates in the coil in accordance with the vibration of the elastic body.   The vibration dynamo device according to claim 1, wherein the permanent magnet and the magnetic body are spheres.   The vibration dynamo device according to claim 1, wherein the permanent magnet is a cylindrical body, and the magnetic body is a sphere.   The vibration dynamo device according to claim 1, wherein the magnetic body is a permanent magnet. The elastic body is a plate-shaped rubber, and a ring-shaped gap is provided between the outer edge portion and the central portion,
The vibration dynamo device according to any one of claims 1 to 4, wherein a plurality of connecting portions that connect the outer edge portion and the central portion are provided in the gap. Two said cylindrical members are provided up and down,
6. The vibration according to claim 1, wherein one cylindrical member arranges the permanent magnet in the internal space, and the other cylindrical member arranges the magnetic body in the internal space. Dynamo device. The vibration dynamo device according to any one of claims 1 to 6,
A housing containing the vibration dynamo device and including a top surface and a bottom surface;
A push button that protrudes upward from the upper surface of the housing, is located above the vibration dynamo device, and contacts the vibration dynamo device;
A spring member provided between a bottom surface of the housing and the vibration dynamo device, and biasing the vibration dynamo device upward;
A chime device comprising: a sound generating device that generates sound by current generated by the coil.

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