Power generation device and self-generating switch

Abstract

The present invention is applicable to the field of switch technology and provides a power generation device and a self-generating switch. The power generation device includes: a base; a driving member, the driving member including a frame movably mounted on the base and an elastic arm integrally formed at one end of the frame; a power generation module, the power generation module including a moving component mounted on the frame and a stationary component mounted on the base; an elastic component mounted on one side of the elastic arm; in an initial state, a first gap is set between the elastic arm and the elastic component; an operating member mounted on the elastic component; when the operating member is in operation, the operating member pushes the elastic component and drives the elastic arm to deform, and when the elastic arm produces a preset deformation amount, it drives the moving component to move relative to the stationary component, the elastic arm moves the distance of the first gap and forms a second gap between the elastic arm and the operating member, and the first gap is less than the total travel distance of the elastic arm. The power generation device provided by the present invention can effectively accelerate the movement speed of the moving component relative to the stationary component, thereby effectively increasing the amount of power generated.

Description

Technical Field

[0001] The present invention relates to the technical field of switches, and in particular to a power generation device and a self-generating switch. Background Art

[0002] With the rapid development of modern homes, in order to save the tedious steps of switch wiring, self-generating switches (such as doorbell switches and door control switches) have appeared on the market to control controlled devices. When the button of the self-generating switch is pressed, the internal power generation device is driven to generate electricity. The electricity generated by the power generation device is used to power the signal processing device, and the signal processing device transmits a wireless signal to the controlled device, causing the controlled device to perform corresponding actions.

[0003] In the prior art, the power generation device of a self-generating switch typically uses a cylindrical coil spring to reset the driver to facilitate the next pressing operation. In the initial state, the cylindrical coil spring abuts the driver. When the driver is pressed, the driver directly compresses the cylindrical coil spring. The elastic force of the cylindrical coil spring hinders the movement of the driver, thereby reducing the speed of the driver, and further reducing the speed of the moving component relative to the stationary component, resulting in a decrease in power generation. When the driver resets, the elastic force of the cylindrical coil spring instantly drives the driver back to its original position, and the user's operating force is not removed in time. The user's operating force hinders the reset of the driver, thus similarly reducing the speed of the moving component relative to the stationary component and thus reducing power generation. Summary of the Invention

[0004] The present invention provides a power generation device, which aims to solve the problem in the prior art that the moving component has a low moving speed relative to the stationary component, thereby resulting in low power generation.

[0005] The present invention is implemented by providing a power generation device comprising:

[0006] base;

[0007] A driving member, comprising a frame movably disposed on the base, and an elastic arm integrally formed at one end of the frame;

[0008] A power generation module, the power generation module comprising a moving component provided on the frame and a stationary component provided on the base, the moving component being capable of moving relative to the stationary component to generate an induced voltage;

[0009] An elastic component is provided on one side of the elastic arm; in an initial state, a first gap is provided between the elastic arm and the elastic component;

[0010] an operating member provided on the elastic component and used for pressing the elastic arm;

[0011] When the operating member is working, the operating member pushes the elastic component and drives the elastic arm to deform. When the elastic arm generates a preset deformation amount, it drives the moving component to move relative to the stationary component. The elastic arm moves the distance of the first gap and forms a second gap with the operating member, and the first gap is smaller than the total travel distance of the elastic arm.

[0012] Preferably, the elastic component includes an elastic member provided on the base, and the operating member abuts against the elastic member; in an initial state, the first gap is provided between the elastic arm and the elastic member.

[0013] Preferably, the elastic component includes an elastic member provided on the base, and a pressing pad installed on the elastic member, and the operating member abuts against the pressing pad; in an initial state, the first gap is provided between the elastic arm and the pressing pad.

[0014] Preferably, the elastic member is a conical coil spring or a cylindrical coil spring; the pressing pad includes a pressure plate and a positioning column arranged at the bottom of the pressure plate, the elastic member is sleeved on the positioning column and abuts against the pressure plate, and the operating member abuts against the pressure plate; in the initial state, the elastic arm and the pressure plate are provided with the first gap.

[0015] Preferably, the operating member includes a limiting groove with an opening, and one end of the elastic arm is inserted into the limiting groove and can move freely in the limiting groove.

[0016] Preferably, the elastic member is a conical coil spring, which includes a support ring and a plurality of spring coils connected to the support ring; the base is provided with a support surface, the support surface is provided with a movable hole, the support ring is supported on the support surface, the spring coil is located above the movable hole, and the spring coil can move freely in the movable hole when compressed.

[0017] Preferably, the moving component includes a magnet fixed to the frame, and the stationary component includes a coil fixed to the base.

[0018] Preferably, the elastic component is arranged below the end of the elastic arm away from the magnetic steel.

[0019] Preferably, the stationary component further includes a first yoke and a second yoke, each of the first yoke and the second yoke including a first magnetic conductive portion and a second magnetic conductive portion extending from the first magnetic conductive portion, the two first magnetic conductive portions being stacked and passing through the coil; the moving component further includes a first armature attached to the upper end of the magnetic steel and a second armature attached to the lower end of the magnetic steel;

[0020] In the initial state, the first armature is attracted to the second magnetic conductive part of the first yoke, and the second armature is attracted to the first magnetic conductive part of the second yoke; when the driving member is pressed, the driving member drives the first armature to be attracted to the first magnetic conductive part of the first yoke, and the driving member drives the second armature to be attracted to the second magnetic conductive part of the second yoke.

[0021] The present invention also provides a self-generating switch, comprising the above-mentioned power generation device.

[0022] The power generation device provided by the present invention is provided with an elastic arm at one end of the driving member, and a first gap is provided between the elastic arm and the elastic component in the initial state. When the elastic arm is pressed by the operating member, the elastic arm moves the distance of the first gap and forms a second gap with the operating member, so that the elastic arm is not hindered by the elastic force of the elastic component when pressed, and is not hindered by the user's operating force when reset, thereby accelerating the movement speed of the moving component relative to the stationary component and effectively increasing the power generation of the power generation device; moreover, during the pressing and resetting process of the driving member, the elastic arm utilizes the deformation of the elastic arm to store energy. When the driving member drives the moving component to start moving relative to the stationary component, the elastic arm instantly releases the energy stored in the elastic deformation, further accelerating the initial movement speed of the moving component relative to the stationary component and further increasing the power generation of the power generation device. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic structural diagram of the power generation device in the initial state provided by the first embodiment of the present invention;

[0024] Figure 2 A schematic structural diagram of the power generation device in the initial state from another perspective provided by the first embodiment of the present invention;

[0025] Figure 3 A schematic structural diagram of the operating member of the power generation device provided in the first embodiment of the present invention when in operation;

[0026] Figure 4 A schematic structural diagram of the operating member of the power generation device provided in the first embodiment of the present invention when in operation from another perspective;

[0027] Figure 5 A schematic structural diagram of the cooperation between the elastic member and the base of the power generation device provided in the first embodiment of the present invention;

[0028] Figure 6 This is a schematic structural diagram of the power generation device in the initial state provided by the second embodiment of the present invention;

[0029] Figure 7 This is a structural diagram of the operating member of the power generation device provided in the second embodiment of the present invention when in operation. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0031] The power generation device provided by an embodiment of the present invention is provided with an elastic arm at one end of the driving member, and a first gap is provided between the elastic arm and the elastic component in the initial state. When the elastic arm is pressed by the operating member, the elastic arm moves the distance of the first gap and forms a second gap with the operating member, so that the elastic arm is not hindered by the elastic force of the elastic component when pressed, and is not hindered by the user's operating force when reset, thereby accelerating the movement speed of the moving component relative to the stationary component and effectively increasing the power generation of the power generation device; and during the pressing and resetting process of the driving member, the elastic arm utilizes the deformation of the elastic arm to store energy. When the driving member drives the moving component to start moving relative to the stationary component, the elastic arm instantly releases the energy stored in the elastic deformation to accelerate the movement speed of the moving component relative to the stationary component, further increasing the power generation of the power generation device.

[0032] Example 1

[0033] Please refer to Figures 1-4 An embodiment of the present invention provides a power generation device, comprising: a base 1; a driving member 2 movably arranged on the base 1, the driving member 2 comprising a frame 21 movably arranged on the base, and an elastic arm 22 integrally formed at one end of the frame 21; a power generation module, the power generation module comprising a moving component arranged on the driving member 2 and a stationary component arranged on the base 1, the moving component can move relative to the stationary component to generate an induced voltage; an elastic component 4 arranged on one side of the elastic arm 22; in an initial state, a first gap A is set between the elastic arm 22 and the elastic component 4; and an operating member 5 arranged on the elastic component 4 for pressing the elastic arm 22.

[0034] When the operating member 5 is working, the operating member 5 pushes the elastic component 4 and drives the elastic arm 22 to deform. When the elastic arm 22 generates a preset deformation amount, it drives the moving component to move relative to the stationary component. The elastic arm 22 moves the distance of the first gap A and forms a second gap B with the operating member 5, and the first gap A is smaller than the total travel distance of the elastic arm 22.

[0035] In the embodiment of the present invention, since an elastic arm 22 is provided at one end of the driving member 2, the elastic arm 22 can be deformed when pressed by the operating member 5. The total travel distance of the elastic arm 22 is the total travel distance of the elastic arm 22 from the initial position to the end position. The total travel distance of the elastic arm 22 is equal to the deformation of the elastic arm 22 plus the distance of the first gap A. Therefore, the first gap A is smaller than the total travel distance of the elastic arm 22. The specific setting value of the first gap A is set according to actual needs.

[0036] Please refer to Figure 1 and Figure 3 When the user applies an operating force P to the operating member 5, the operating member 5 pushes the elastic component 4 to compress the elastic component 4. At the same time, the operating member 5 drives the elastic arm 22 to deform toward the side where the elastic component 4 is located. The elastic arm 22 elastically deforms and stores energy. The operating member 5 continues to drive the elastic arm 22 to deform. When the elastic arm 22 produces a certain amount of deformation, it begins to drive the driving member 2 to move. The driving member 2 then drives the moving component to move relative to the stationary component. Because there is a first gap A between the elastic arm 22 and the elastic component 4, the elastic arm 22 is not hindered by the elastic force of the elastic component 4 during the process of moving from the initial position to the final position. The elastic arm 22 can freely move the distance of the first gap A to reach the final position, thereby accelerating the movement speed of the moving component relative to the stationary component to the final position, effectively increasing the power generation of the power generation device. At the same time, during this process, the elastic arm 22 first generates deformation to store energy. When the driving member 2 drives the moving component to start relative to the stationary component, the elastic arm 22 instantly releases the energy stored in the elastic deformation, which accelerates the initial movement speed of the driving member 2, thereby accelerating the movement speed of the moving component relative to the stationary component, and then increasing the power generation generated by electromagnetic induction between the moving component and the stationary component.

[0037] When the user releases the pressure on the operating member 5, the elastic arm 22 and the operating member 5 are reset under the elastic force of the elastic component 4. Since a second gap B is formed between the elastic arm 22 and the operating member 5 when the elastic arm 22 moves from the initial position to the final position, the distance of the second gap B is equal to the distance of the first gap A. That is, when the elastic arm 22 moves from the initial state to the final position, the gap moves between the elastic arm 22 and the operating member 5, so that the elastic arm 22 is not hindered by the operating member 5 during the reset process. Therefore, the reset of the elastic arm 22 is not hindered by the user's operating force, which accelerates the movement speed of the driving member 2 during the reset, thereby accelerating the movement speed of the moving component relative to the stationary component, and thus increasing the power generation generated by the electromagnetic induction between the moving component and the stationary component. At the same time, during the reset process of the elastic arm 22, the elastic component 4 first drives the elastic arm 22 to deform, using the deformation generated by the elastic arm 22 to store energy. When the elastic arm 22 generates a certain amount of deformation and begins to drive the driving member 2 to move, the elastic arm 22 instantly releases the energy stored in the elastic deformation, thereby accelerating the initial movement speed of the driving member 2 during the reset, which also effectively increases the power generation of the power generation device.

[0038] In this embodiment of the present invention, an elastic arm 22 is provided at one end of the driver 2, utilizing the energy stored in the elastic arm 22 to accelerate the movement of the driver 2 and effectively increase the power generation capacity of the generator. Compared to a driver 2 made of a rigid material, the total travel distance of the elastic arm 22 is reduced to generate the same amount of power, significantly reducing the required overall size of the generator and facilitating its miniaturization.

[0039] In the embodiment of the present invention, the frame 21 cooperates with the axial hole of the base 1 to achieve a rotational connection, the elastic arm 22 can drive the frame 21 to rotate, and the frame 21 drives the moving component to move synchronously, so that the moving component moves relative to the static component to generate an induced voltage.

[0040] As an embodiment of the present invention, the elastic arm 22 is made of metal or plastic. When the elastic arm 22 is made of metal, the thickness of the elastic arm 22 is 0.15 to 0.3 mm; when the elastic arm 22 is made of plastic, the thickness of the elastic arm 22 is 0.5 to 3 mm, so as to ensure good elastic deformation performance of the elastic arm 22. The elastic arm 22 and the frame 21 are integrally formed, which is easy to process and ensures that the elastic arm 22 and the frame 21 are firmly connected. In addition, the elastic arm 22 and the frame 21 can also be set separately, and then the elastic arm 22 and the frame 21 are fixedly connected.

[0041] As one embodiment of the present invention, the elastic assembly 4 includes an elastic member 41 disposed on the base 1 and a pressing pad 42 mounted on the elastic member 41. The operating member 5 abuts against the pressing pad 42. In the initial state, a first gap A is provided between the elastic arm 22 and the pressing pad 42. The elastic member 41 may be a cylindrical coil spring, a conical coil spring, a torsion spring, or a spring.

[0042] In this embodiment, a pressure pad 42 is provided on the elastic member 41 to facilitate the application of force by the operating member 5 on the elastic member 41, making the application of force by the operating member 5 on the elastic member 41 more stable and facilitating the application of force by the elastic member 41 on the operating member 5 and the elastic arm 22. The pressure pad 42 is made of a material with a low friction coefficient and good wear resistance to improve the pressing feel and working performance.

[0043] In this embodiment, the pressing pad 42 is made of POM material. Taking advantage of the low friction coefficient and good wear resistance of POM material, the operating member 5 has a good pressing feel and the pressing pad 42 has a long service life.

[0044] In one embodiment of the present invention, the elastic member 41 is a conical coil spring or a cylindrical coil spring; the pressure pad 42 includes a pressure plate 421 and a positioning post 422 disposed at the bottom of the pressure plate 421. The elastic member 41 is sleeved on the positioning post 422 and abuts against the pressure plate 421, and the operating member 5 abuts against the pressure plate 421. In the initial state, a first gap A is provided between the elastic arm 22 and the pressure plate 421. The positioning post 422 is inserted into the center hole of the conical coil spring or the cylindrical coil spring to achieve sleeved engagement with the elastic member 41 and the pressure pad 42, facilitating assembly of the elastic member 41 and the pressure pad 42. Furthermore, the positioning post 422 acts as a limiter for the elastic member 41, preventing the elastic member 41 from bending and deforming when compressed, thereby ensuring more stable and reliable operation of the elastic member 41.

[0045] As one embodiment of the present invention, the pressure plate 421 further includes a protrusion 423. Initially, a first gap A is defined between the elastic arm 22 and the protrusion 423. When the elastic arm 22 reaches its final position, it contacts the protrusion 423. When the driver 2 is reset, the elastic member 41 drives the elastic arm 22 to deform via the protrusion 423 on the pressure plate 421. This provides a larger deformation space for the elastic arm 22, allowing it to generate a greater amount of deformation and store more energy.

[0046] As one embodiment of the present invention, the operating member 5 includes a limiting groove 53 having an opening, into which one end of the elastic arm 22 is inserted and can move freely. The limiting groove 53 provided on the operating member 5 limits the elastic arm 22 and facilitates the application of force by the operating member 5 to the elastic arm 22.

[0047] Specifically, the operating member 5 includes a driving portion 51 and two push rods 52 extending from the driving portion 51. The two push rods 52 are spaced apart and form a limiting groove 53 with the driving portion 51. One end of the elastic arm 22 is inserted into the limiting groove 53, and the two push rods 52 abut against the pressing pad 42. The limiting groove 53 is a U-shaped groove.

[0048] In the initial state, the two push rods 52 of the operating member 5 abut against the upper surface of the pressure plate 421 of the pressing pad 42, and the upper surface of the elastic arm 22 abuts against or is spaced apart from the operating member 5, that is, the upper surface of the elastic arm 22 abuts against or is spaced apart from the driving portion 51. When the operating member 5 is working, the two push rods 52 of the operating member 5 push the pressure plate 421 of the pressing pad 42, and the pressing pad 42 pushes the elastic member 41 to compress and deform; at the same time, the driving portion 51 of the operating member 5 drives the elastic arm 22 to deform. When the deformation generated by the elastic arm 22 is sufficient to move the driving member 2, the driving member 2 drives the moving component to move relative to the stationary component. When the driving member 2 moves to the end position, the elastic arm 22 abuts against the protrusion 423 on the pressure plate 421, and the gap moves to the space between the elastic arm 22 and the driving portion 51.

[0049] When the pressure on the operating member 5 is released, the elastic member 41 pushes the operating member 5 to reset through the pressing pad 42, and the pressing pad 42 pushes the elastic arm 22 to bend and deform. When the deformation generated by the elastic arm 22 is sufficient to move the driving member 2, the driving member 2 moves and drives the moving component to move relative to the stationary component to the initial position. At this time, the gap moves back to between the elastic arm 22 and the pressing pad 42.

[0050] Please refer to Figure 5As a preferred embodiment of the present invention, the elastic member 41 is a conical coil spring, which includes a support ring 411 and a plurality of spring rings 412 connected to the support ring 411; the base 1 is provided with a support surface 11, and the support surface 11 is provided with a movable hole 12, the support ring 412 is supported on the base 1, and the spring ring 412 is located above the movable hole 12. When the spring ring 412 is compressed, it can move freely in the movable hole 12.

[0051] In this embodiment, the support ring 411 is the end of the conical coil spring with a larger outer diameter, that is, the end of the conical coil spring with a larger outer diameter is supported on the support surface 11. In addition, the support ring 411 can also be the end of the conical coil spring with a smaller outer diameter, and the movable hole 12 is configured as an annular hole.

[0052] In this embodiment, the elastic member 41 is configured as a conical coil spring, and a movable hole 12 is provided on the support surface 11 of the base 1. The support ring 411 of the conical coil spring is supported on the base 1, and the spring ring 412 is located above the movable hole 12 and abuts against the pressing pad 42. When the pressing pad 42 compresses the spring ring 412 of the conical coil spring, due to the movable hole 12 provided below the spring ring 412 for the spring ring 412 to move, during the compression process of the conical coil spring, except for the support ring 411 maintaining contact with the support surface 11, the spring rings 412 of the conical coil spring do not contact the support surface 11 during the compression process. Therefore, the spring rings 412 of the conical coil spring can all be deformed in the opposite direction, so that the spring rings 412 of the conical coil spring all participate in the deformation, which greatly reduces the stiffness of the rear section of the spring during compression, thereby improving the pressing feel of the operating member 5.

[0053] In one embodiment of the present invention, the movable hole 12 is a through hole or a countersunk hole. Preferably, the movable hole 12 is a circular hole, and its diameter is larger than the outer diameter of each spring coil 412, ensuring that all spring coils 412 can enter the movable hole 12 during compression. The central axis of the conical coil spring is collinear with the centerline of the movable hole 12. Alternatively, the movable hole 12 may be a square hole or a through hole or countersunk hole of another shape.

[0054] As one embodiment of the present invention, the base 1 is recessed to form a mounting cavity 13, the support surface 11 is provided at the bottom of the mounting cavity 13, and the support ring 41 is accommodated in the mounting cavity 13. By providing the mounting cavity 13, the mounting cavity 13 acts as a limit for the support ring 411, thereby stably fixing the conical coil spring to the base 1.

[0055] Refer again Figure 1 and Figure 3As one embodiment of the present invention, the moving component includes a magnet 311 fixed to the frame 21, and the stationary component includes a coil 321 fixed to the base 1. The driving member 2 can drive the magnet 311 to move relative to the coil 321, so that the coil 321 generates an induced voltage. In addition to this embodiment, the moving component can also include a coil fixed to the frame 21, and the stationary component can include a magnet fixed to the base 1, and the driving member 2 can drive the coil to move relative to the magnet, so that the coil generates an induced voltage.

[0056] As one embodiment of the present invention, the elastic component 4 is disposed below the end of the elastic arm 22 that is away from the magnet 311. This allows the elastic component 4 to be compressed with minimal pressure, making pressing the driver 2 more labor-efficient. It also allows the elastic arm 22 to have sufficient deformation length, resulting in better energy storage and further accelerating the movement of the moving assembly. Furthermore, the elastic component 4 is positioned as far away from the magnet 311 as possible to reduce magnetic flux leakage from the magnet 311, thereby increasing the power generation capacity of the generator.

[0057] As an embodiment of the present invention, the power generation device further includes a coil frame 6 , and the coil 321 is wound on the coil frame 6 . The coil frame 6 serves to fix the coil 321 .

[0058] As one embodiment of the present invention, the stationary assembly further includes a first yoke 322 and a second yoke 323. Each of the first yoke 322 and the second yoke 323 includes a first magnetic conductive portion 324 and a second magnetic conductive portion 325 extending from the first magnetic conductive portion. The two first magnetic conductive portions 324 are stacked and pass through the coil 321. The moving assembly further includes a first armature 312 attached to the upper end of the magnet 311 and a second armature 313 attached to the lower end of the magnet 311. The first magnetic conductive portions 324 of the first yoke 322 and the second yoke 323 both pass through the coil bobbin 6.

[0059] In the initial state, the first armature 312 is attracted to the second magnetic conductive portion 325 of the first yoke 322, and the second armature 313 is attracted to the first magnetic conductive portion 324 of the second yoke 323; when the driving member 2 is pressed, it drives the first armature 312 to be attracted to the first magnetic conductive portion 324 of the first yoke 322, and the driving member 2 drives the second armature 313 to be attracted to the second magnetic conductive portion 325 of the second yoke 323.

[0060] In this embodiment, the first armature 312 and the second armature 313 are respectively attached to the magnet 311, so that the first armature 312, the second armature 313, and the magnet 311 form an integral structure. The first yoke 322 and the second yoke 323 have identical structural shapes and are symmetrically arranged about the central axis of the coil 321. The first magnetic conductive portion 324 and the second magnetic conductive portion 325 of the first yoke 322 are arranged in parallel and spaced apart to form a U-shape, and the first magnetic conductive portion 324 and the second magnetic conductive portion 325 of the second yoke 323 are arranged in parallel and spaced apart to form a U-shape.

[0061] In this embodiment, the magnet 311 is located on one side of the first magnetic conductive portion 324 of the first yoke 322 and the first magnetic conductive portion 324 of the second yoke 323, the first armature 312 is movably arranged between the first magnetic conductive portion 324 and the second magnetic conductive portion 325 of the first yoke 322, and the second armature 313 is movably arranged between the first magnetic conductive portion 324 and the second magnetic conductive portion 325 of the second yoke 323.

[0062] Please refer to Figure 1 In the initial state, the first armature 312 is attracted to the second magnetic conductive portion 325 of the first yoke 322, and the second armature 313 is attracted to the first magnetic conductive portion 324 of the second yoke 323. The magnet 311, the first armature 312, the first yoke 322, the second yoke 323, and the second armature 313 form a closed magnetic circuit that passes through the coil 321. The first yoke 322 and the second yoke 323 act as magnetic conductors, ensuring that the magnetic lines of force of the magnet 311 pass perpendicularly through the coil 321.

[0063] The magnetic pole distribution of the magnet 311 is not limited. In this embodiment, one end of the second magnetic conductive portion 325 of the magnet 311 near the first yoke 322 is the N pole, and one end of the first magnetic conductive portion 324 of the magnet 311 near the second yoke 323 is the S pole. When the driver 2 is reset by the force of the elastic member 41, the first armature 312 on the driver 2 is attracted to the second magnetic conductive portion 325 of the first yoke 322, and the second armature 312 on the driver 2 is attracted to the first magnetic conductive portion 324 of the second yoke 322, ensuring that the driver 2 is reset. By providing the first armature 312 and the second armature 313, it is beneficial to reduce the leakage of the magnet 311 and facilitate the processing of the magnet 311.

[0064] In the initial state, the first armature 312 is attracted to the second magnetic conductive portion 325 of the first yoke 322, and the second armature 313 is attracted to the first magnetic conductive portion 324 of the second yoke 323. The magnetic lines of force of the magnet 311 pass through the first armature 312, the second magnetic conductive portion 325 of the first yoke 322, the first magnetic conductive portion 324 of the first yoke 322, the first magnetic conductive portion 324 of the second yoke 323, and the second armature 313 in sequence to form a magnetic circuit. In this state, the magnetic lines of force in the coil 321 are from right to left (the direction of the magnetic lines of force is as shown in FIG. Figure 1 direction indicated by the arrow in the figure).

[0065] like Figure 3 As shown, when an operating force P is applied to the operating member 5, the operating member 5 compresses the elastic member 41 through the pressing pad 42, and at the same time, the operating member 5 drives the elastic arm 22 to bend and deform. The elastic arm 22 bends and deforms downward and stores energy. At this time, the user continues to apply an operating force to the operating member 5. When the elastic arm 22 begins to drive the frame 21 to move, that is, when the moving component begins to separate relative to the stationary component, the elastic arm 22 instantly releases the energy stored in the elastic deformation and restores its natural shape. The elastic arm 22 moves to the end position. At this time, a second gap B is formed between the elastic arm 22 and the operating member 5. During this process, the magnet 311, the first armature 312 and the second armature 313 move to the end position as the frame 21 rotates, the first armature 312 is attracted to the first magnetic conductive part 324 of the first yoke 322, and the second armature 313 is attracted to the second magnetic conductive part 325 of the second yoke 323. At this time, the magnetic lines of force of the magnet 311 pass through the first armature 312, the first magnetic conductive part 324 of the first yoke 322, the first magnetic conductive part 324 of the second yoke 323, the second magnetic conductive part 325 of the second yoke 323 and the second armature 313 in sequence to form a magnetic circuit. In this state, the magnetic lines of force in the coil 321 are from left to right (the direction of the magnetic lines of force is as shown in FIG. 1 ). Figure 3 Since the magnitude of the magnetic field passing through the coil 321 of the driving member 2 in the initial state and the terminal state is equal and the direction is opposite, an induced voltage and an induced current can be generated in the coil 321, thereby realizing the primary power generation of the power generation device.

[0066] When the user releases the pressure on the operating member 5, the operating member 5 and the elastic arm 22 are reset under the action of the elastic member 41. When the elastic arm 22 is in the initial reset state, the elastic arm 22 is bent upward by the elastic force of the elastic member 41 and stores energy. When the elastic arm 22 is deformed to the point where the frame 21 drives the moving component to start separating relative to the stationary component, the elastic arm 22 instantly releases the energy stored in the elastic deformation and returns to its natural shape, thereby accelerating the driving member 2 to move to the initial position, thereby driving the moving component to move to the initial position (such as Figure 1 In this state, the magnetic lines of force in the coil 321 change from right to left again, and the coil 321 generates an induced voltage, thereby realizing secondary power generation of the power generation device.

[0067] Example 2

[0068] Please refer to Figure 6 and Figure 7 This embodiment differs from the first embodiment in that the elastic component 4 comprises an elastic member, and the operating member 5 abuts the elastic member. In the initial state, a first gap A is provided between the elastic arm 22 and the elastic member. The elastic member can be a cylindrical coil spring, a conical coil spring, a torsion spring, or a spring. Preferably, the elastic component 4 is a conical coil spring. By directly configuring the elastic component 4 as an elastic member, the number of assembly parts and the number of assembly steps are reduced, thereby lowering production costs.

[0069] In this embodiment, in the initial state, the operating member 5 directly abuts the top end of the elastic member, and a first gap A is defined between the elastic arm 22 and the elastic assembly 4. When the operating member 5 is in operation, it directly pushes against the elastic member and drives the elastic arm 22 to deform. As the elastic arm 22 moves from the initial position to the final position, a second gap B is formed between the elastic arm 22 and the operating member 5. When the driving member 2 is reset, the elastic member directly contacts the elastic arm 22 and drives the elastic arm 22 to reset.

[0070] Refer again Figure 5 The conical coil spring of this embodiment also includes a support ring 411 and a plurality of spring rings 412 connected to the support ring 411; the base 1 is provided with a support surface 11, and the support surface 11 is provided with a movable hole 12. The support ring 412 is supported on the support surface 11, and the spring ring 412 is located above the movable hole 12. When the spring ring 412 is compressed, it can move freely in the movable hole 12. Among them, the movable hole 12 is a through hole or a countersunk hole. Preferably, the movable hole 12 is a circular hole, and the aperture of the movable hole 12 is larger than the outer diameter of each spring ring 412, ensuring that all spring rings 412 can enter the movable hole 12 when compressed.

[0071] In this embodiment, when the operating member 5 compresses the spring coil 412 of the conical coil spring, since a movable hole 12 for the spring coil 412 to move is provided below the spring coil 412, during the compression process of the conical coil spring, except for the support ring 411 which maintains contact with the support surface 11, the spring coils 412 of the conical coil spring do not contact the support surface 11 during the compression process. Each spring coil 412 of the conical coil spring can be deformed in the opposite direction, so that each spring coil 412 of the conical coil spring participates in the deformation, which greatly reduces the stiffness of the rear section of the spring during compression, thereby improving the pressing feel of the operating member 5.

[0072] Example 3

[0073] This embodiment provides a self-generating switch, including the power generation device of the above-mentioned embodiment 1 or embodiment 2. The self-generating switch can be a doorbell switch, a door opening and closing control switch, etc. When the button of the self-generating switch is pressed, the button of the self-generating switch acts on the operating member 5, the operating member 5 works and causes the coil 321 of the power generation device to generate electrical energy to power the signal processing device electrically connected to the coil. The signal processing device transmits a wireless signal to the controlled device, causing the controlled device to perform a corresponding action, such as controlling the operation of a doorbell, a light, or other load. When the button of the self-generating switch is released, the button of the self-generating switch returns to its initial state under the action of the operating member 5 so that the next pressing operation can be performed.

[0074] The power generation device provided by an embodiment of the present invention is provided with an elastic arm at one end of the driving member, and a first gap is provided between the elastic arm and the elastic component in the initial state. When the elastic arm is pressed by the operating member, the elastic arm moves the distance of the first gap and forms a second gap with the operating member, so that the elastic arm is not hindered by the elastic force of the elastic component when pressed, and is not hindered by the user's operating force when reset, thereby accelerating the movement speed of the moving component relative to the stationary component and effectively increasing the power generation of the power generation device; and during the pressing and resetting process of the driving member, the elastic arm utilizes the deformation of the elastic arm to store energy. When the driving member drives the moving component to start moving relative to the stationary component, the elastic arm instantly releases the energy stored in the elastic deformation to accelerate the initial movement speed of the moving component relative to the stationary component, further increasing the power generation of the power generation device.

[0075] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A power generation device, characterized in that: include: base; A driving member, comprising a frame movably disposed on the base, and an elastic arm integrally formed at one end of the frame; A power generation module, the power generation module comprising a moving component provided on the frame and a stationary component provided on the base, the moving component being capable of moving relative to the stationary component to generate an induced voltage; An elastic component is provided on one side of the elastic arm; in an initial state, a first gap is provided between the elastic arm and the elastic component; an operating member provided on the elastic component and used for pressing the elastic arm; When the operating member is working, the operating member pushes the elastic component and drives the elastic arm to deform. When the elastic arm generates a preset deformation amount, it drives the moving component to move relative to the stationary component. The elastic arm moves the distance of the first gap and forms a second gap with the operating member, and the first gap is smaller than the total stroke distance of the elastic arm; the elastic component includes an elastic member provided on the base, and a pressing pad installed on the elastic member, and the operating member abuts against the pressing pad; in the initial state, the first gap is set between the elastic arm and the pressing pad.

2. The power generation device according to claim 1, characterized in that: The elastic component includes an elastic member provided on the base, and the operating member abuts against the elastic member; in an initial state, the first gap is provided between the elastic arm and the elastic member.

3. The power generation device according to claim 1, characterized in that: The elastic member is a conical coil spring or a cylindrical coil spring; the pressing pad includes a pressure plate and a positioning column arranged at the bottom of the pressure plate; the elastic member is sleeved on the positioning column and abuts against the pressure plate; the operating member abuts against the pressure plate; in the initial state, the elastic arm and the pressure plate are provided with the first gap.

4. The power generation device according to claim 1, characterized in that The operating member includes a limiting groove with an opening, and one end of the elastic arm is inserted into the limiting groove and can move freely in the limiting groove.

5. The power generation device according to claim 1, characterized in that: The elastic member is a conical coil spring, which includes a support ring and several spring rings connected to the support ring; the base is provided with a support surface, the support surface is provided with a movable hole, the support ring is supported on the support surface, the spring ring is located above the movable hole, and the spring ring can move freely in the movable hole when compressed.

6. The power generation device according to claim 1, characterized in that: The moving component includes a magnet fixed to the frame, and the stationary component includes a coil fixed to the base.

7. The power generation device according to claim 6, characterized in that: The elastic component is arranged below an end of the elastic arm away from the magnetic steel.

8. The power generation device according to claim 7, characterized in that: The stationary component further includes a first yoke and a second yoke, each of the first yoke and the second yoke including a first magnetic conductive portion and a second magnetic conductive portion extending from the first magnetic conductive portion, the two first magnetic conductive portions being stacked and passing through the coil; the moving component further includes a first armature attached to the upper end of the magnetic steel and a second armature attached to the lower end of the magnetic steel; In the initial state, the first armature is attracted to the second magnetic conductive part of the first yoke, and the second armature is attracted to the first magnetic conductive part of the second yoke; when the driving member is pressed, the driving member drives the first armature to be attracted to the first magnetic conductive part of the first yoke, and the driving member drives the second armature to be attracted to the second magnetic conductive part of the second yoke.

9. A self-generating switch, characterized in that: The invention comprises a power generation device according to any one of claims 1 to 8.

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