A self-generating device and a wireless switch using the same
By designing a self-generating device with a simple structure, using the cooperation of soft magnetic plates and permanent magnet components, the problems of frequent charging and low power generation efficiency of existing wireless switch batteries are solved, and efficient and stable power supply is achieved, reducing manufacturing Cost and manufacturing difficulty.
Patent Information
- Application Number
- CN202011073425.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2020-10-09
- Publication Date
- 2025-02-11
- Estimated Expiration
- 2040-10-09
AI Technical Summary
Existing wireless switches have the problem that batteries need to be charged frequently, the magnetic circuit of self-generating devices is complex and inconvenient to manufacture, low power generation efficiency and weak current, and complex assembly structure increases manufacturing costs.
A self-generating device with a simple structure is designed, including a coil assembly and a permanent magnet assembly. By controlling the up and down rotation of the soft magnetic plate relative to the permanent magnet assembly, the power is generated using the principle of electromagnetic induction to form a closed magnetic circuit to maximize magnetic flux. .
It improves power generation efficiency, current intensity, and sufficient power, reduces manufacturing cost and manufacturing difficulty, and simplifies the assembly process.
Smart Images

Figure CN112104184B_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to a power generation device and a wireless switch having the power generation device, and more particularly to a self-generating device and a wireless switch using the self-generating device. Background Art
[0002] With the advancement of science and technology, wireless controllers have been widely used in various household appliances. Correspondingly, wireless switches that use wireless switches to control household appliances have also appeared. Existing wireless switches can be divided into battery-type wireless switches and self-generating (passive) wireless switches. The use of these wireless switches has greatly facilitated people's daily lives. However, there are many problems with the existing wireless switches when they are used: 1. Battery-type wireless switches need to be equipped with rechargeable batteries. Since the switch is in a wireless connection state, the battery needs to be frequently taken out and charged. Since users often forget to charge, it is misjudged as a power outage when using electrical appliances, which is inconvenient to use; 2. The magnetic circuit of the self-generating device in the existing self-generating wireless switch is complex, which is inconvenient to manufacture and increases the manufacturing cost; 3. The self-generating device in the existing self-generating wireless switch has low power generation efficiency, weak current, and insufficient power supply, resulting in unstable control of household appliances; 4. The components used for assembling between the permanent magnet assembly (permanent magnet and soft magnetic frame) and the coil assembly (soft magnetic plate and coil) in the existing self-generating wireless switch are complex in structure and inconvenient to manufacture. Summary of the invention
[0003] 1. Technical problem to be solved by the invention
[0004] The purpose of the present invention is to overcome the above-mentioned shortcomings and provide a self-generating device and a wireless switch using the same. The technical solution of the present invention is simple in structure and convenient to connect. The permanent magnet assembly and the coil assembly themselves have few parts. The closed magnetic circuit formed by the cooperation of the permanent magnet assembly and the coil assembly is simple, which greatly improves the production efficiency and reduces the manufacturing cost. The self-generating efficiency is high, the current is strong, and the current is sufficient.
[0005] 2. Technical solution
[0006] In order to achieve the above object, the technical solution provided by the present invention is:
[0007] A self-generating device of the present invention comprises a coil assembly and a permanent magnet assembly, wherein the coil assembly comprises a soft magnetic plate and a coil, wherein the soft magnetic plate can be arranged to rotate up and down, and the coil is wound around the middle of the soft magnetic plate; the permanent magnet assembly comprises a first soft magnetic frame, a first permanent magnet and a second permanent magnet, wherein the first soft magnetic frame comprises a first upper soft magnetic plate, a first lower soft magnetic plate, a second lower soft magnetic plate, a second upper soft magnetic plate, a first front soft magnetic plate and a first rear soft magnetic plate, wherein the first front soft magnetic plate and the first rear soft magnetic plate are arranged on the front and rear sides of the soft magnetic plate respectively; the first upper soft magnetic plate and the first lower soft magnetic plate are arranged on the upper and lower sides of the left end of the soft magnetic plate respectively; the left end of the first upper soft magnetic plate, the left end of the first lower soft magnetic plate, the left end of the first front soft magnetic plate and the left end of the first rear soft magnetic plate are connected by the first left The soft magnetic plates are connected together; the front and rear ends of the first upper soft magnetic plate are respectively fixedly connected to the upper left end of the first front soft magnetic plate and the upper left end of the first rear soft magnetic plate, and the front and rear ends of the first lower soft magnetic plate are respectively fixedly connected to the lower left end of the first front soft magnetic plate and the lower left end of the first rear soft magnetic plate; the second upper soft magnetic plate and the second lower soft magnetic plate are respectively arranged on the upper and lower sides of the right end of the soft magnetic plate, and the front and rear ends of the second upper soft magnetic plate are respectively fixedly connected to the upper right end of the first front soft magnetic plate and the upper right end of the first rear soft magnetic plate, and the front and rear ends of the second lower soft magnetic plate are respectively fixedly connected to the lower right end of the first front soft magnetic plate and the lower right end of the first rear soft magnetic plate; the first permanent magnet is adsorbed on the first lower soft magnetic plate, and the second permanent magnet is adsorbed on the second lower soft magnetic plate; or the first permanent magnet is adsorbed on the first lower soft magnetic plate, and the second permanent magnet is adsorbed on the first upper soft magnetic plate;
[0008] In the initial state, the left and right ends of the soft magnetic plate are respectively in contact with the first permanent magnet and the second upper soft magnetic plate to form a first closed magnetic circuit; when the soft magnetic plate rotates relative to the permanent magnet assembly, the left and right ends of the soft magnetic plate are respectively in contact with the first upper soft magnetic plate and the second permanent magnet to form a second closed magnetic circuit; the direction of the magnetic lines of force passing through the soft magnetic plate in the first closed magnetic circuit is opposite to the direction of the magnetic lines of force passing through the soft magnetic plate in the second closed magnetic circuit; or in the initial state, the left and right ends of the soft magnetic plate are respectively in contact with the first permanent magnet and the second upper soft magnetic plate to form a third closed magnetic circuit; when the soft magnetic plate rotates relative to the permanent magnet assembly, the left and right ends of the soft magnetic plate are respectively in contact with the second permanent magnet and the second lower soft magnetic plate to form a fourth closed magnetic circuit; the direction of the magnetic lines of force passing through the soft magnetic plate in the third closed magnetic circuit is opposite to the direction of the magnetic lines of force passing through the soft magnetic plate in the fourth closed magnetic circuit.
[0009] Furthermore, the first upper soft magnetic plate and the second lower soft magnetic plate are both arranged obliquely with the left side higher and the right side lower, and the first lower soft magnetic plate and the second upper soft magnetic plate are both arranged obliquely with the left side lower and the right side higher.
[0010] Furthermore, the first left soft magnetic plate is provided with a first hole for preventing the first left soft magnetic plate and the left end of the soft magnetic plate from influencing each other.
[0011] Furthermore, the toggle end sleeve of the soft magnetic plate is provided with a toggle sleeve, two connecting arms of the toggle sleeve are respectively hinged to the first front soft magnetic plate and the first rear soft magnetic plate, and the toggle sleeve has a spring sheet.
[0012] A self-generating device of the present invention comprises a coil assembly and a permanent magnet assembly, wherein the coil assembly comprises a soft magnetic plate and a coil, the soft magnetic plate can be arranged to rotate up and down, and the coil is wound around the middle of the soft magnetic plate; the permanent magnet assembly comprises a second soft magnetic frame, a first permanent magnet and a second permanent magnet, the second soft magnetic frame comprises a third upper soft magnetic plate, a third lower soft magnetic plate, a fourth lower soft magnetic plate and a fourth upper soft magnetic plate, the third upper soft magnetic plate and the third lower soft magnetic plate are respectively arranged on the upper and lower sides of the left end of the soft magnetic plate, and the left end of the third upper soft magnetic plate is relatively close to the left end of the third lower soft magnetic plate. The third lower soft magnetic plate is connected to the fourth lower soft magnetic plate through the second left soft magnetic plate, and the third lower soft magnetic plate is connected to the fourth lower soft magnetic plate through the first lower soft magnetic plate; the fourth lower soft magnetic plate and the fourth upper soft magnetic plate are respectively arranged on the upper and lower sides of the right end of the soft magnetic plate; the rear end of the fourth lower soft magnetic plate and the rear end of the fourth upper soft magnetic plate are connected through the second rear soft magnetic plate; the front end of the fourth lower soft magnetic plate and the front end of the fourth upper soft magnetic plate are connected through the second front soft magnetic plate; the first permanent magnet is adsorbed on the lower surface of the third lower soft magnetic plate, and the second permanent magnet is adsorbed on the upper surface of the third upper soft magnetic plate;
[0013] In the initial state, the left and right ends of the soft magnetic plate respectively contact the fourth upper soft magnetic plate and the first permanent magnet to form a fifth closed magnetic circuit; when the soft magnetic plate rotates relative to the permanent magnet assembly, the left and right ends of the soft magnetic plate respectively contact the fourth lower soft magnetic plate and the second permanent magnet to form a sixth closed magnetic circuit; the direction of the magnetic lines of force passing through the soft magnetic plate in the fifth closed magnetic circuit is opposite to the direction of the magnetic lines of force passing through the soft magnetic plate in the sixth closed magnetic circuit.
[0014] Furthermore, the third upper soft magnetic plate and the fourth lower soft magnetic plate are both arranged obliquely with the left side higher and the right side lower, and the third lower soft magnetic plate and the second upper soft magnetic plate are both arranged obliquely with the left side lower and the right side higher.
[0015] Furthermore, the toggle end sleeve of the soft magnetic plate is provided with a toggle sleeve, two connecting arms of the toggle sleeve are respectively hinged to the second rear soft magnetic plate and the second front soft magnetic plate, and the toggle sleeve has a spring sheet.
[0016] Furthermore, the first lower soft magnetic plate is provided with an opening for winding the coil.
[0017] Furthermore, the second left soft magnetic plate is provided with a second hole to prevent the second left soft magnetic plate and the left end of the soft magnetic plate from influencing each other.
[0018] A wireless switch of the present invention comprises a radio frequency control board, a switch for controlling electrical equipment and the above-mentioned self-generating device, wherein the coil of the self-generating device is electrically connected to the radio frequency control board.
[0019] 3. Beneficial effects
[0020] Compared with the existing known technology, the technical solution provided by the present invention has the following beneficial effects:
[0021] (1) A self-generating device of the present invention changes the direction of the magnetic lines of force passing through the soft magnetic plate by controlling the soft magnetic plate to rotate up and down relative to the permanent magnet assembly. According to the principle of electromagnetic induction, the coil generates power. Since a closed magnetic circuit is formed, the magnetic flux passing through the coil is maximized, the power generation efficiency is high, the current is strong, and the power is sufficient;
[0022] (2) The self-generating device of the present invention has a small number of components in its permanent magnet assembly and coil assembly, and the closed magnetic circuit formed by the cooperation of the permanent magnet assembly and the coil assembly is simple and quick to manufacture, which greatly improves production efficiency and reduces manufacturing costs;
[0023] (3) A self-generating device of the present invention, wherein the third upper soft magnetic plate and the fourth lower soft magnetic plate are both arranged obliquely with the left side higher and the right side lower, and the third lower soft magnetic plate and the second upper soft magnetic plate are both arranged obliquely with the left side lower and the right side higher, or the first upper soft magnetic plate and the second lower soft magnetic plate are both arranged obliquely with the left side higher and the right side lower, and the first lower soft magnetic plate and the second upper soft magnetic plate are both arranged obliquely with the left side lower and the right side higher, which greatly increases the contact area of the soft magnetic plates and greatly increases the power generation;
[0024] (4) A self-generating device of the present invention increases the return magnetic circuit by setting a left soft magnetic plate, thereby greatly increasing the power generation. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] Figure 1 This is a structural schematic diagram of a self-generating device embodiment 1 of the present invention;
[0026] Figure 2 An exploded view of a self-generating device embodiment 1 of the present invention;
[0027] Figure 3 It is a cross-sectional view of a self-generating device embodiment 1 of the present invention;
[0028] Figure 4 This is a structural schematic diagram of a self-generating device embodiment 2 of the present invention;
[0029] Figure 5 An exploded view of a self-generating device embodiment 2 of the present invention;
[0030] Figure 6It is a cross-sectional view of a self-generating device embodiment 2 of the present invention;
[0031] Figure 7 This is a structural schematic diagram of a self-generating device embodiment 3 of the present invention;
[0032] Figure 8 It is an exploded view of a self-generating device embodiment 3 of the present invention;
[0033] Fig. 9 It is a cross-sectional view of a self-generating device embodiment 3 of the present invention.
[0034] Explanation of the numbers in the schematic diagram: 1, coil; 2, soft magnetic plate; 3, toggle sleeve; 3-1, spring; 4-1, second upper soft magnetic plate; 4-2, first rear soft magnetic plate; 4-3, first front soft magnetic plate; 4-4, first upper soft magnetic plate; 4-5, first lower soft magnetic plate; 4-6, second lower soft magnetic plate; 5, first left soft magnetic plate; 5-1, first hole; 6, first permanent magnet; 7, second permanent magnet; 8-1, first coil winding block; 8-1-1, first intermediate active cavity; 8-2, first support block; 8-3, second support Support block; 9-1, second coil winding block; 9-1-1, second intermediate active cavity; 9-2, third support block; 10-1, fourth upper soft magnetic plate; 10-2, fourth lower soft magnetic plate; 10-3, third upper soft magnetic plate; 10-4, third lower soft magnetic plate; 10-5, second left soft magnetic plate; 10-5-1, second hole; 10-6, first lower soft magnetic plate; 10-6-1, opening; 10-7, second front soft magnetic plate; 10-8, second rear soft magnetic plate; 11, third coil seat; 11-1, third active cavity. DETAILED DESCRIPTION
[0035] In order to further understand the content of the present invention, the present invention is described in detail in conjunction with the accompanying drawings and embodiments.
[0036] Example 1
[0037] Combination Figure 1 A self-generating device of this embodiment includes a coil assembly and a permanent magnet assembly, the coil assembly includes a soft magnetic plate 2 and a coil 1, the soft magnetic plate 2 can be rotated up and down, and the coil 1 is wound around the middle of the soft magnetic plate 2;
[0038] The permanent magnet assembly includes a first soft magnetic frame, a first permanent magnet 6 and a second permanent magnet 7. The first soft magnetic frame includes a first upper soft magnetic plate 4-4, a first lower soft magnetic plate 4-5, a second lower soft magnetic plate 4-6, a second upper soft magnetic plate 4-1, a first front soft magnetic plate 4-3 and a first rear soft magnetic plate 4-2; the first front soft magnetic plate 4-3 and the first rear soft magnetic plate 4-2 are respectively arranged on the front and rear sides of the soft magnetic plate 2; the first upper soft magnetic plate 4-4 and the first lower soft magnetic plate 4-5 are respectively arranged on the upper and lower sides of the left end of the soft magnetic plate 2; the front and rear ends of the first upper soft magnetic plate 4-4 are respectively fixedly connected to the upper left end of the first front soft magnetic plate 4-3 and the upper left end of the ... lower The front and rear ends of the soft magnetic plate 4-5 are respectively fixedly connected to the lower left end of the first front soft magnetic plate 4-3 and the lower left end of the first rear soft magnetic plate 4-2; the second upper soft magnetic plate 4-1 and the second lower soft magnetic plate 4-6 are respectively arranged on the upper and lower sides of the right end of the soft magnetic plate 2, and the front and rear ends of the second upper soft magnetic plate 4-1 are respectively fixedly connected to the upper right end of the first front soft magnetic plate 4-3 and the upper right end of the first rear soft magnetic plate 4-2, and the front and rear ends of the second lower soft magnetic plate 4-6 are respectively fixedly connected to the lower right end of the first front soft magnetic plate 4-3 and the lower right end of the first rear soft magnetic plate 4-2; the first permanent magnet 6 is adsorbed on the first lower soft magnetic plate 4-5, and the second permanent magnet 7 is adsorbed on the second lower soft magnetic plate 4-6;
[0039] In the initial state, the left and right ends of the soft magnetic plate 2 are in contact with the first permanent magnet 6 and the second upper soft magnetic plate 4-1 respectively to form a first closed magnetic circuit. In order to increase the contact area between the left and right ends of the soft magnetic plate 2 and the first permanent magnet 6 and the second upper soft magnetic plate 4-1 at this time, the first lower soft magnetic plate 4-5 and the second upper soft magnetic plate 4-1 are both arranged obliquely with the left lower and the right higher; when the soft magnetic plate 2 rotates relative to the permanent magnet assembly, the left and right ends of the soft magnetic plate 2 are in contact with the first upper soft magnetic plate 4-4 and the second permanent magnet 7 respectively to form a second closed magnetic circuit. In order to increase the contact area between the left and right ends of the soft magnetic plate 2 at this time The contact areas with the first upper soft magnetic plate 4-4 and the second permanent magnet 7 respectively, the first upper soft magnetic plate 4-4 and the second lower soft magnetic plate 4-6 are both arranged obliquely with the left side higher and the right side lower; the direction of the magnetic lines of force passing through the soft magnetic plate 2 in the first closed magnetic circuit is opposite to the direction of the magnetic lines of force passing through the soft magnetic plate 2 in the second closed magnetic circuit; the direction of the magnetic lines of force passing through the soft magnetic plate 2 is changed by controlling the soft magnetic plate 2 to rotate up and down relative to the permanent magnet assembly. According to the principle of electromagnetic induction, the coil generates power, and because a closed magnetic circuit is formed, the magnetic flux passing through the coil is maximized, the power generation efficiency is high, the current is strong, and the power is sufficient.
[0040] Continue Figure 1, since the first front soft magnetic plate 4-3 and the first rear soft magnetic plate 4-2 are the direct connection parts of the N poles and S poles of the two permanent magnets, and are also a section of the return magnetic circuit in the closed magnetic circuit, for example, after the magnetic lines of force emitted by the N pole of the first permanent magnet pass through the soft magnetic plate, a part of the return magnetic lines of force pass through the first front soft magnetic plate and the first rear soft magnetic plate to merge into the S pole of the second permanent magnet, and the other part of the return magnetic lines of force pass through the first front soft magnetic plate and the first rear soft magnetic plate to merge into the S pole of the first permanent magnet, so that the return magnetic lines of force will become less and the power generation will be less; in order to increase the power generation, the first upper soft magnetic plate 4-4 The left end, the left end of the first lower soft magnetic plate 4-5, the left end of the first front soft magnetic plate 4-3 and the left end of the first rear soft magnetic plate 4-2 are connected together through the first left soft magnetic plate 5. The addition of the first left soft magnetic plate 5 also increases the return magnetic circuit, which increases the return magnetic lines of force and the power generation. In this embodiment, in order to prevent the soft magnetic plate 2 from rotating up and down to generate electricity due to the close distance between the left end of the soft magnetic plate 2 and the first left soft magnetic plate 5, which affects the power generation, a first hole 5-1 is provided on the first left soft magnetic plate 5 to prevent the first left soft magnetic plate 5 from affecting the left end of the soft magnetic plate 2.
[0041] In this embodiment, the first soft magnetic frame is an integrated structure, that is, it is formed by bending a whole plate. The first upper soft magnetic plate 4-4, the first lower soft magnetic plate 4-5, the left end of the first front soft magnetic plate 4-3 and the left end of the first rear soft magnetic plate 4-2 form a first annular structure, the second lower soft magnetic plate 4-6, the second upper soft magnetic plate 4-1, the right end of the first front soft magnetic plate 4-3 and the right end of the first rear soft magnetic plate 4-2 form a second annular structure, and the right side of the first annular structure, the first front soft magnetic plate 4-3, the first rear soft magnetic plate 4-2 and the left side of the second annular structure form a third annular structure; the permanent magnet assembly and the coil assembly themselves have few parts, and the closed magnetic circuit formed by the cooperation of the permanent magnet assembly and the coil assembly is simple and quick to manufacture, which greatly improves production efficiency and reduces manufacturing costs.
[0042] Continue and combine Figure 2 , Figure 3In order to assemble the permanent magnet assembly and the coil assembly together, a first coil seat is also included. In this embodiment, since the first soft magnetic frame is an integrally formed structure, the first coil seat is a split structure. The first coil seat includes a first coil winding block 8-1 for winding the coil. The first coil winding block 8-1 is arranged in the third annular structure and fixed. There are many specific fixing means, such as fixing with a snap structure or fixing with a limiting structure; two first support blocks 8-2 arranged front and back are provided on the left side of the first coil winding block 8-1. The two first support blocks 8-2 are clamped at the front and rear ends of the first permanent magnet 6 and then inserted into the first annular structure and pressed against the first coil winding block 8-1. ; Two second support blocks 8-3 arranged opposite to each other are arranged on the right side of the first coil winding block 8-1, and the two second support blocks 8-3 are clamped at the front and rear ends of the second permanent magnet 7 and then inserted into the second annular structure and rest on the first coil winding block 8-1, wherein the distance between the first permanent magnet 6 and the first upper soft magnetic plate 4-4 is equal to the distance between the second permanent magnet 7 and the second upper soft magnetic plate 4-5; since the first upper soft magnetic plate 4-4, the first lower soft magnetic plate 4-5, the second lower soft magnetic plate 4-6, and the second upper soft magnetic plate 4-1 are all inclined, the first annular structure and the upper and lower side surfaces of the two first support blocks 8-2 are all inclined, and the second annular structure and the two first support blocks 8-2 are inclined. The upper and lower side surfaces of the two support blocks 8-3 are matched with bevels, and the two first support blocks 8-2 and the two second support blocks 8-3 are installed securely; the first left soft magnetic plate 5 is stuck in the first annular structure, so that the left end of the first upper soft magnetic plate 4-4, the left end of the first lower soft magnetic plate 4-5, the left end of the first front soft magnetic plate 4-3 and the left end of the first rear soft magnetic plate 4-2 are connected together through the first left soft magnetic plate 5, and the first left soft magnetic plate 5 is fixed by the first permanent magnet 6; the first coil winding block 8-1 is provided with a first intermediate active cavity 8-1-1 that runs through the first coil winding block from left to right, and a first left active cavity is formed between the two first support blocks 8-2, and the two second support blocks A right movable cavity is formed between 8-3, and the right movable cavity, the first intermediate movable cavity 8-1-1 and the first left movable cavity constitute the first movable cavity for the soft magnetic plate 2 to pass through and perform up and down rotational movement; the soft magnetic plate 2 is arranged in the first movable cavity so as to be rotatable up and down, and the moving end of the soft magnetic plate passes through between the second permanent magnet and the second upper soft magnetic plate, wherein the inner wall of the first intermediate movable cavity is provided with two first fulcrum parts which are opposite to each other and serve as the rotation fulcrum of the soft magnetic plate; in order to make it more convenient and labor-saving to move the soft magnetic plate, the moving end of the soft magnetic plate 2 is provided with a moving sleeve 3, and the two connecting arms of the moving sleeve 3 are respectively hinged on the first front soft magnetic plate 4-3 and the first rear soft magnetic plate 4-2, and the moving sleeve 3 has a spring piece 3-1.
[0043] A wireless switch of the present embodiment includes a radio frequency control board, a switch for controlling an electrical device, and the above-mentioned self-generating device. The coil 1 of the self-generating device is electrically connected to the radio frequency control board. The coil 1 in the self-generating device generates current to power the radio frequency control board, thereby realizing passive wireless switch control. The self-generating device of the present embodiment is suitable for making a seesaw type wireless switch.
[0044] Example 2
[0045] Combination Figure 4 The basic structure of a self-generating device of this embodiment is the same as that of embodiment 1, except that: the first permanent magnet 6 is adsorbed on the first lower soft magnetic plate 4-5, the second permanent magnet 7 is adsorbed on the first upper soft magnetic plate 4-4, and the distance between the first permanent magnet 6 and the second permanent magnet 7 is equal to the distance between the second upper soft magnetic plate 4-4 and the second lower soft magnetic plate 4-5;
[0046] In the initial state, the left and right ends of the soft magnetic plate 2 respectively contact the first permanent magnet 6 and the second upper soft magnetic plate 4-1 to form a third closed magnetic circuit; when the soft magnetic plate 2 rotates relative to the permanent magnet assembly, the left and right ends of the soft magnetic plate 2 respectively contact the second permanent magnet 7 and the second lower soft magnetic plate 4-6 to form a fourth closed magnetic circuit; the direction of the magnetic lines of force passing through the soft magnetic plate 2 in the third closed magnetic circuit is opposite to the direction of the magnetic lines of force passing through the soft magnetic plate 2 in the fourth closed magnetic circuit.
[0047] Continue and combine Figure 5 , Figure 6, in order to assemble the permanent magnet assembly and the coil assembly together, it also includes a second coil seat. In this embodiment, the second coil seat is a split structure. The second coil seat includes a second coil winding block 9-1 for winding the coil. The second coil winding block 9-1 is arranged in the third annular structure and fixed; two third support blocks 9-2 arranged front and back are arranged on the left side of the second coil winding block 9-1, and the second permanent magnet 7 and the first permanent magnet 6 are clamped between the two third support blocks 9-2 and then inserted into the first annular structure and against the second coil winding block 9-1; since the first upper soft magnetic plate 4-4 and the first lower soft magnetic plate 4-5 are both inclined, the upper and lower side surfaces of the first annular structure and the two third support blocks 9-2 are matched with each other by inclined surfaces, and the two third support blocks 9-2 are installed securely; the first left soft magnetic plate 5 is stuck in the first annular structure, so that the left end of the first upper soft magnetic plate 4-4, the left end of the first lower soft magnetic plate 4-5, the left end of the first front soft magnetic plate 4-3 and the first The left end of a rear soft magnetic plate 4-2 is connected together through the first left soft magnetic plate 5, and the first left soft magnetic plate 5 is fixed by the first permanent magnet 6 and the second permanent magnet 7; the second coil winding block 9-1 is provided with a second intermediate movable cavity 9-1-1 that passes through the second coil winding block from left to right, and a second left movable cavity is formed between the two third support blocks 9-2. The second left movable cavity and the second intermediate movable cavity 9-1-1 form a second movable cavity for passing through to perform up and down rotational movement; the soft magnetic plate can rotate up and down It is arranged in the second active cavity; the moving end of the soft magnetic plate passes through between the second lower soft magnetic plate and the second upper soft magnetic plate, and the inner wall of the second intermediate active cavity 9-1-1 is provided with two second fulcrum parts which are opposite to each other and serve as the rotation fulcrum of the soft magnetic plate 2; in order to make it more convenient and labor-saving to move the soft magnetic plate 2, the moving end of the soft magnetic plate 2 is provided with a moving sleeve 3, and the two connecting arms of the moving sleeve 3 are respectively hinged on the first front soft magnetic plate 4-3 and the first rear soft magnetic plate 4-2, and the moving sleeve 3 has a spring piece 3-1.
[0048] A wireless switch of the present embodiment includes a radio frequency control board, a switch for controlling an electrical device, and the above-mentioned self-generating device. The coil of the self-generating device is electrically connected to the radio frequency control board. The coil in the self-generating device generates current to power the radio frequency control board, thereby realizing passive wireless switch control. The self-generating device of the present embodiment is suitable for making a reset-type wireless switch.
[0049] Example 3
[0050] Combination Figure 7, a self-generating device of the present embodiment includes a coil assembly and a permanent magnet assembly, the coil assembly includes a soft magnetic plate 2 and a coil 1, the soft magnetic plate 2 can be arranged to rotate up and down, and the coil 1 is wound around the middle of the soft magnetic plate 2; the permanent magnet assembly includes a second soft magnetic frame, a first permanent magnet 6 and a second permanent magnet 7, the second soft magnetic frame includes a third upper soft magnetic plate 10-3, a third lower soft magnetic plate 10-4, a fourth lower soft magnetic plate 10-2 and a fourth upper soft magnetic plate 10-1, the third upper soft magnetic plate 10-3 and the third lower soft magnetic plate 10-4 are respectively arranged on the upper and lower sides of the left end of the soft magnetic plate 2, the left end of the third upper soft magnetic plate 10-3 is connected to the left end of the third lower soft magnetic plate through the second left soft magnetic plate 10-5, in order to avoid the left end of the soft magnetic plate being too close to the second left soft magnetic plate 10-5 and affecting the magnetic circuit, a second hole 10-5-1 is provided on the second left soft magnetic plate 10-5; the third lower soft magnetic plate 10-4 and the fourth lower soft magnetic plate 10-4 are connected to the left end of the third upper soft magnetic plate 10-3 and the third lower soft magnetic plate 10-4. The soft magnetic plates 10-2 are connected through the first lower soft magnetic plate 10-6. In this embodiment, in order to allow the coil 1 to be wound with more turns, an opening 10-6-1 is provided on the first lower soft magnetic plate 10-6 for winding the coil 1; the fourth lower soft magnetic plate 10-2 and the fourth upper soft magnetic plate 10-1 are respectively arranged on the upper and lower sides of the right end of the soft magnetic plate 2; the rear end of the fourth lower soft magnetic plate 10-2 and the rear end of the fourth upper soft magnetic plate 10-1 are connected through the second rear soft magnetic plate 10-8; the front end of the fourth lower soft magnetic plate 10-2 and the front end of the fourth upper soft magnetic plate 10-1 are connected through the second front soft magnetic plate 10-7; the first permanent magnet 6 is adsorbed on the lower surface of the third lower soft magnetic plate 10-4, and the second permanent magnet 7 is adsorbed on the upper surface of the third upper soft magnetic plate 10-3; the distance between the first permanent magnet 6 and the second permanent magnet 7 is equal to the distance between the fourth upper soft magnetic plate 10-1 and the fourth lower soft magnetic plate 10-2;
[0051] In the initial state, the left and right ends of the soft magnetic plate 2 are in contact with the fourth upper soft magnetic plate 10-1 and the first permanent magnet 6 respectively to form a fifth closed magnetic circuit. In order to increase the contact area between the left and right ends of the soft magnetic plate 2 and the fourth upper soft magnetic plate 10-1 and the first permanent magnet 6 at this time, the fourth upper soft magnetic plate 10-1 and the third lower soft magnetic plate 10-4 are both obliquely arranged with the left lower and the right higher; when the soft magnetic plate 2 rotates relative to the permanent magnet assembly, the left and right ends of the soft magnetic plate 2 are in contact with the fourth lower soft magnetic plate 10-2 and the second permanent magnet 7 respectively to form a sixth closed magnetic circuit. In order to increase the left and right ends of the soft magnetic plate 2 at this time The two ends are in contact with the fourth lower soft magnetic plate 10-2 and the second permanent magnet 7 respectively, and the third upper soft magnetic plate 10-3 and the fourth lower soft magnetic plate 10-2 are both arranged obliquely with the left side higher and the right side lower; the direction of the magnetic lines of force passing through the soft magnetic plate 2 in the fifth closed magnetic circuit is opposite to the direction of the magnetic lines of force passing through the soft magnetic plate 2 in the sixth closed magnetic circuit; the direction of the magnetic lines of force passing through the soft magnetic plate is changed by controlling the soft magnetic plate 2 to rotate up and down relative to the permanent magnet assembly. According to the principle of electromagnetic induction, the coil generates power, and because a closed magnetic circuit is formed, the magnetic flux passing through the coil is maximized, the power generation efficiency is high, the current is strong, and the power is sufficient.
[0052] Next, in this embodiment, the second soft magnetic frame is an integrated structure, that is, it is formed by bending a whole plate. The fourth upper soft magnetic plate 10-1, the fourth lower soft magnetic plate 10-2, the second rear soft magnetic plate 10-8 and the second front soft magnetic plate 10-7 form a fourth annular structure, and the third upper soft magnetic plate 10-3, the third lower soft magnetic plate 10-4 and the second left soft magnetic plate 10-5 form a C-shaped structure; the permanent magnet assembly and the coil assembly themselves are composed of few parts, and the closed magnetic circuit formed by the permanent magnet assembly and the coil assembly is simple and quick to manufacture, which greatly improves production efficiency and reduces manufacturing costs.
[0053] Continue and combine Figure 8 and Fig. 9In order to assemble the permanent magnet assembly and the coil assembly together, a third coil seat is also included. In this embodiment, since the second soft magnetic frame is an integrated structure, the third coil seat 11 is an integrated structure. The third coil seat 11 includes a coil winding section for winding the coil and a left soft magnetic frame mounting section fixedly arranged at the left end of the coil winding section; the upper side surface of the coil winding section is concave to form an upper mounting cavity, and the lower side surface of the coil winding section is concave to form a lower mounting cavity, the first permanent magnet 6 is mounted in the upper mounting cavity, and the second permanent magnet 7 is mounted in the lower mounting cavity; the coil winding section of the third coil seat 11 is clamped and fixed between the C-shaped structure and the fourth annular structure, and the left soft magnetic frame mounting section of the third coil seat 11 is clamped and fixed in the C-shaped structure. There are various specific fixing means for the third coil seat 11, such as fixing it with a snap structure or fixing it with a limiting structure; since the third lower The soft magnetic plate 10-4 and the third upper soft magnetic plate 10-3 are both arranged obliquely, so the upper and lower side surfaces of the left soft magnetic frame mounting section are matched with the C-shaped structure in an inclined manner, and the third coil seat 11 is installed securely; the third coil seat 11 is provided with a third active cavity 11-1 that passes through the third coil seat on the left and right for the soft magnetic plate 2 to pass through; the soft magnetic plate is arranged in the third active cavity so as to be rotatable up and down; the toggle end of the soft magnetic plate passes through between the fourth lower soft magnetic plate and the fourth upper soft magnetic plate, wherein two third fulcrum parts that are opposite to each other and serve as the rotation fulcrum of the soft magnetic plate 2 are provided on the inner wall of the third active cavity 11-1; in order to make it more convenient and labor-saving to toggle the soft magnetic plate 2, the toggle end sleeve of the soft magnetic plate 2 is provided with a toggle sleeve 3, and the two connecting arms of the toggle sleeve 3 are respectively hinged on the second rear soft magnetic plate 10-8 and the second front soft magnetic plate 10-7, and the toggle sleeve 3 has a spring piece 3-1.
[0054] A wireless switch of the present embodiment includes a radio frequency control board, a switch for controlling electrical equipment, and the above-mentioned self-generating device. The coil of the self-generating device is electrically connected to the radio frequency control board. The coil in the self-generating device generates current to power the radio frequency control board, thereby realizing passive wireless switch control.
[0055] A self-generating device and a wireless switch using the same of the present invention have a simple structure and are easy to connect. The permanent magnet assembly and the coil assembly themselves have fewer parts, and the closed magnetic circuit formed by the cooperation of the permanent magnet assembly and the coil assembly is simple, which greatly improves production efficiency and reduces manufacturing costs. It also has high power generation efficiency, strong current, and sufficient current.
[0056] The present invention and its embodiments are described schematically above, and the description is not restrictive. The drawings show only one embodiment of the present invention, and the actual structure is not limited thereto. Therefore, if a person skilled in the art is inspired by it and designs a structural method and an embodiment similar to the technical solution without creativity without departing from the purpose of the invention, they shall all fall within the protection scope of the present invention.
Claims
1. A self-generating device, comprising a coil assembly and a permanent magnet assembly, characterized in that: The coil assembly comprises a soft magnetic plate (2) and a coil (1), wherein the soft magnetic plate (2) is rotatable up and down, and the coil (1) is wound around the middle of the soft magnetic plate (2); the permanent magnet assembly comprises a first soft magnetic frame, a first left soft magnetic plate (5), a first permanent magnet (6) and a second permanent magnet (7), wherein the first soft magnetic frame comprises a first upper soft magnetic plate (4-4), a first lower soft magnetic plate (4-5), a second lower soft magnetic plate (4-6), a second upper soft magnetic plate (4-1), a first front soft magnetic plate (4-3) and a first rear soft magnetic plate (4-4). The soft magnetic plate (4-2) is provided with a first front soft magnetic plate (4-3) and a first rear soft magnetic plate (4-2) respectively on the front and rear sides of the soft magnetic plate (2); the first upper soft magnetic plate (4-4) and the first lower soft magnetic plate (4-5) are respectively provided on the upper and lower sides of the left end of the soft magnetic plate (2); the left end of the first upper soft magnetic plate (4-4), the left end of the first lower soft magnetic plate (4-5), the left end of the first front soft magnetic plate (4-3) and the left end of the first rear soft magnetic plate (4-2) are connected together through the first left soft magnetic plate (5); The front and rear ends of the first upper soft magnetic plate (4-4) are respectively fixedly connected to the upper left end of the first front soft magnetic plate (4-3) and the upper left end of the first rear soft magnetic plate (4-2), and the front and rear ends of the first lower soft magnetic plate (4-5) are respectively fixedly connected to the lower left end of the first front soft magnetic plate (4-3) and the lower left end of the first rear soft magnetic plate (4-2); the second upper soft magnetic plate (4-1) and the second lower soft magnetic plate (4-6) are respectively arranged on the upper and lower sides of the right end of the soft magnetic plate (2), and the front and rear ends of the second upper soft magnetic plate (4-1) are respectively fixedly connected to the first front soft magnetic plate (4-3). 3) The upper right end is fixedly connected to the upper right end of the first rear soft magnetic plate (4-2), and the front and rear ends of the second lower soft magnetic plate (4-6) are respectively fixedly connected to the lower right end of the first front soft magnetic plate (4-3) and the lower right end of the first rear soft magnetic plate (4-2); the first permanent magnet (6) is adsorbed on the first lower soft magnetic plate (4-5), and the second permanent magnet (7) is adsorbed on the second lower soft magnetic plate (4-6); or the first permanent magnet (6) is adsorbed on the first lower soft magnetic plate (4-5), and the second permanent magnet (7) is adsorbed on the first upper soft magnetic plate (4-4); In the initial state, the left and right ends of the soft magnetic plate (2) respectively contact the first permanent magnet (6) and the second upper soft magnetic plate (4-1) to form a first closed magnetic circuit; when the soft magnetic plate (2) rotates relative to the permanent magnet assembly, the left and right ends of the soft magnetic plate (2) respectively contact the first upper soft magnetic plate (4-4) and the second permanent magnet (7) to form a second closed magnetic circuit; the direction of the magnetic lines of force passing through the soft magnetic plate (2) in the first closed magnetic circuit is opposite to the direction of the magnetic lines of force passing through the soft magnetic plate (2) in the second closed magnetic circuit; or In the initial state, the left and right ends of the soft magnetic plate (2) respectively contact the first permanent magnet (6) and the second upper soft magnetic plate (4-1) to form a third closed magnetic circuit; when the soft magnetic plate (2) rotates relative to the permanent magnet assembly, the left and right ends of the soft magnetic plate (2) respectively contact the second permanent magnet (7) and the second lower soft magnetic plate (4-6) to form a fourth closed magnetic circuit; the direction of the magnetic lines of force passing through the soft magnetic plate (2) in the third closed magnetic circuit is opposite to the direction of the magnetic lines of force passing through the soft magnetic plate (2) in the fourth closed magnetic circuit.
2. A self-generating device according to claim 1, characterized in that: The first upper soft magnetic plate (4-4) and the second lower soft magnetic plate (4-6) are both arranged obliquely with the left side higher and the right side lower, and the first lower soft magnetic plate (4-5) and the second upper soft magnetic plate (4-1) are both arranged obliquely with the left side lower and the right side higher.
3. A self-generating device according to claim 1, characterized in that: The first left soft magnetic plate (5) is provided with a first hole (5-1) for preventing the first left soft magnetic plate (5) and the left end of the soft magnetic plate (2) from influencing each other.
4. A self-generating device according to claim 1, characterized in that: The toggle end sleeve of the soft magnetic plate (2) is provided with an toggle sleeve (3), the two connecting arms of the toggle sleeve (3) are respectively hinged on the first front soft magnetic plate (4-3) and the first rear soft magnetic plate (4-2), and the toggle sleeve (3) has a spring sheet (3-1).
5. A self-generating device, comprising a coil assembly and a permanent magnet assembly, characterized in that: The coil assembly comprises a soft magnetic plate (2) and a coil (1), the soft magnetic plate (2) can be arranged to rotate up and down, and the coil (1) is wound around the middle of the soft magnetic plate (2); the permanent magnet assembly comprises a second soft magnetic frame, a first permanent magnet (6) and a second permanent magnet (7), the second soft magnetic frame comprises a third upper soft magnetic plate (10-3), a third lower soft magnetic plate (10-4), a fourth lower soft magnetic plate (10-2) and a fourth upper soft magnetic plate (10-1), the third upper soft magnetic plate (10-3) and the third lower soft magnetic plate (10-4) are respectively arranged on the upper and lower sides of the left end of the soft magnetic plate (2), the left end of the third upper soft magnetic plate (10-3) and the left end of the third lower soft magnetic plate (10-4) are connected via a second left soft magnetic plate (10-5), and the third lower soft magnetic plate (10-2) and the fourth upper soft magnetic plate (10-1 ... and the third upper soft magnetic plate (10-3) and the third lower soft magnetic plate (10-4) are connected via a second left soft magnetic plate (10-5). The plate (10-4) is connected to the fourth lower soft magnetic plate (10-2) via the first lower soft magnetic plate (10-6); the fourth lower soft magnetic plate (10-2) and the fourth upper soft magnetic plate (10-1) are respectively arranged on the upper and lower sides of the right end of the soft magnetic plate (2); the rear end of the fourth lower soft magnetic plate (10-2) and the rear end of the fourth upper soft magnetic plate (10-1) are connected via the second rear soft magnetic plate (10-8); the front end of the fourth lower soft magnetic plate (10-2) and the front end of the fourth upper soft magnetic plate (10-1) are connected via the second front soft magnetic plate (10-7); the first permanent magnet (6) is adsorbed on the lower surface of the third lower soft magnetic plate (10-4), and the second permanent magnet (7) is adsorbed on the upper surface of the third upper soft magnetic plate (10-3); In the initial state, the left and right ends of the soft magnetic plate (2) respectively contact the fourth upper soft magnetic plate (10-1) and the first permanent magnet (6) to form a fifth closed magnetic circuit; when the soft magnetic plate (2) rotates relative to the permanent magnet assembly, the left and right ends of the soft magnetic plate (2) respectively contact the fourth lower soft magnetic plate (10-2) and the second permanent magnet (7) to form a sixth closed magnetic circuit; the direction of the magnetic lines of force passing through the soft magnetic plate (2) in the fifth closed magnetic circuit is opposite to the direction of the magnetic lines of force passing through the soft magnetic plate (2) in the sixth closed magnetic circuit.
6. A self-generating device according to claim 5, characterized in that: The third upper soft magnetic plate (10-3) and the fourth lower soft magnetic plate (10-2) are both arranged obliquely with the left side higher and the right side lower, and the third lower soft magnetic plate (10-4) and the fourth upper soft magnetic plate (10-1) are both arranged obliquely with the left side lower and the right side higher.
7. A self-generating device according to claim 5, characterized in that: The toggle end sleeve of the soft magnetic plate (2) is provided with an toggle sleeve (3), the two connecting arms of the toggle sleeve (3) are respectively hinged on the second rear soft magnetic plate (10-8) and the second front soft magnetic plate (10-7), and the toggle sleeve (3) has a spring sheet (3-1).
8. A self-generating device according to claim 5, characterized in that: The first lower soft magnetic plate (10-6) is provided with an opening (10-6-1) for coil winding.
9. A self-generating device according to claim 5, characterized in that: The second left soft magnetic plate (10-5) is provided with a second hole (10-5-1) for preventing the second left soft magnetic plate (10-5) from influencing the left end of the soft magnetic plate (2).
10. A wireless switch, characterized in that: It comprises a radio frequency control board, a switch for controlling an electrical device, and the self-generating device as claimed in any one of claims 1 to 9, wherein the coil (1) of the self-generating device is electrically connected to the radio frequency control board.
Citation Information
Patent Citations
Self-generating device and wireless switch using same
CN212785124U