WO2021244308A1 - 一种c型双磁铁微型自发电装置及应用其的无线开关 - Google Patents

一种c型双磁铁微型自发电装置及应用其的无线开关 Download PDF

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Publication number
WO2021244308A1
WO2021244308A1 PCT/CN2021/095060 CN2021095060W WO2021244308A1 WO 2021244308 A1 WO2021244308 A1 WO 2021244308A1 CN 2021095060 W CN2021095060 W CN 2021095060W WO 2021244308 A1 WO2021244308 A1 WO 2021244308A1
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WO
WIPO (PCT)
Prior art keywords
soft magnetic
permanent magnet
plate
magnetic plate
shaped
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PCT/CN2021/095060
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English (en)
French (fr)
Inventor
李春光
Original Assignee
常州磁光新能源科技有限公司
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Publication date
Application filed by 常州磁光新能源科技有限公司 filed Critical 常州磁光新能源科技有限公司
Priority to GB2217006.2A priority Critical patent/GB2610504A/en
Publication of WO2021244308A1 publication Critical patent/WO2021244308A1/zh

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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K35/00Generators with reciprocating, oscillating or vibrating coil system, magnet, armature or other part of the magnetic circuit
    • H02K35/02Generators with reciprocating, oscillating or vibrating coil system, magnet, armature or other part of the magnetic circuit with moving magnets and stationary coil systems
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K35/00Generators with reciprocating, oscillating or vibrating coil system, magnet, armature or other part of the magnetic circuit
    • H02K35/06Generators with reciprocating, oscillating or vibrating coil system, magnet, armature or other part of the magnetic circuit with moving flux distributors, and both coil systems and magnets stationary
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K1/00Details of the magnetic circuit
    • H02K1/06Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12Stationary parts of the magnetic circuit
    • H02K1/17Stator cores with permanent magnets
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K1/00Details of the magnetic circuit
    • H02K1/06Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/34Reciprocating, oscillating or vibrating parts of the magnetic circuit

Definitions

  • the utility model relates to a power generation device, and more specifically, to a C-type dual-magnet miniature self-power generation device and a wireless switch using the same.
  • the existing wireless switches can be divided into battery-type wireless switches. And self-powered (passive) wireless switches.
  • the use of these wireless switches greatly facilitates people’s daily life.
  • the existing wireless switches have many problems when used: 1. Electromagnetic wireless switches need to be installed For rechargeable batteries, because the switch is in a wireless connection state, the battery needs to be taken out and charged frequently. Because users often forget to charge, it is mistakenly judged as a power failure when using electrical appliances, which is inconvenient to use; 2.
  • the magnetic circuit of the power generating device is complicated, the manufacturing is inconvenient, and the manufacturing cost is increased; 3.
  • the power generation efficiency of the self-generating device in the existing self-powered wireless switch is low, the current is weak, and the power supply is insufficient, which causes the control of household appliances to be unstable.
  • the utility model relates to a C-shaped dual-magnet miniature self-generating device, which includes a coil assembly and a permanent magnet assembly.
  • the permanent magnet assembly includes a first permanent magnet, a second permanent magnet, and a C-shaped soft magnetic frame.
  • the soft magnetic frame includes an upper soft magnetic plate, a lower soft magnetic plate, and an intermediate soft magnetic plate connected to the upper and lower soft magnetic plates; the first permanent magnet and the second permanent magnet are both set on the C-shaped soft magnetic plate.
  • the first permanent magnet is fixed on the left end of the upper soft magnetic plate
  • the second permanent magnet is fixed on the left end of the lower soft magnetic plate
  • the permanent magnet assembly includes a first permanent magnet and a second permanent magnet , C-shaped soft magnetic frame, upper magnetic conductive plate and lower magnetic conductive plate
  • the C-shaped soft magnetic frame includes an upper soft magnetic plate, a lower soft magnetic plate and an intermediate soft magnetic plate connected to the upper and lower soft magnetic plates
  • the first permanent magnet and the second permanent magnet are both set in the C-shaped cavity of the C-shaped soft magnetic frame, the first permanent magnet is fixed between the left end of the upper soft magnetic plate and the upper magnetic conductive plate, Two permanent magnets are fixed between the left end of the lower soft magnetic plate and the lower magnetic conductive plate;
  • the coil assembly includes a soft magnetic plate and a coil, and the coil is wound on the middle of the soft magnetic plate; the soft magnetic plate is rotatably arranged in the C-shaped hollow of the C-shaped soft magnetic frame relative to the permanent magnet assembly.
  • the left and right ends of the soft magnetic plate are connected to the right end of the upper soft magnetic plate and the left end of the lower soft magnetic plate through the second permanent magnet to form a first closed magnetic circuit; when the soft magnetic plate is relatively permanent After the magnet assembly is rotated, the left and right ends of the soft magnetic plate are connected to the left end of the upper soft magnetic plate and the right end of the lower soft magnetic plate through the first permanent magnet to form a second closed magnetic circuit; the first closed magnetic circuit
  • the direction of the magnetic field lines passing through the soft magnetic plate in the middle is opposite to the direction of the magnetic field lines passing through the soft magnetic plate in the second closed magnetic circuit.
  • the upper soft magnetic board and the lower soft magnetic board are provided with notches in the middle positions.
  • the right end of the upper soft magnetic plate and the right end of the lower soft magnetic plate are both fixed with spacer blocks; the gap between the first permanent magnet and the second permanent magnet is equal to the gap between the two spacer blocks The gap; the above-mentioned spacer is made of soft magnetic material or permanent magnet material.
  • the right end of the upper soft magnetic plate is integrally formed with an upper vertical plate
  • the right end of the lower soft magnetic plate is integrally formed with a lower vertical plate; the gap between the upper vertical plate and the lower vertical plate is equal to the first The gap between the permanent magnet and the second permanent magnet.
  • the utility model relates to a C-shaped dual-magnet miniature self-generating device, which includes a coil assembly and a permanent magnet assembly.
  • the permanent magnet assembly includes a first permanent magnet, a second permanent magnet and two C-shaped soft magnetic frames arranged opposite to each other , The two C-shaped soft magnetic frames are connected together to form a rectangular cavity; the first permanent magnet and the second permanent magnet are both arranged in the rectangular cavity, and the first permanent magnet is fixed on the rectangular cavity At the left end of the surface, the second permanent magnet is fixed at the left end of the lower surface of the rectangular cavity; or the permanent magnet assembly includes a first permanent magnet, a second permanent magnet, two C-shaped soft magnetic frames arranged opposite to each other, and upper The magnetic conductive plate and the lower magnetic conductive plate, the two C-shaped soft magnetic frames are connected together to form a rectangular cavity; the first permanent magnet and the second permanent magnet are both arranged in the rectangular cavity, and The first permanent magnet is fixed between the left end of the upper surface of the rectangular cavity and the upper magnetic conductive plate, and the
  • the two C-shaped soft magnetic frames are arranged opposite to each other, and the middle positions of the upper and lower soft magnetic plates of the C-shaped soft magnetic frames are provided with notches.
  • the two C-shaped soft magnetic frames are arranged opposite to each other up and down.
  • the right end of the upper surface of the rectangular cavity and the right end of the lower surface of the rectangular cavity are both fixedly provided with spacers; the gap between the first permanent magnet and the second permanent magnet is equal to two pieces The gap between the spacer blocks; the above-mentioned spacer blocks are made of soft magnetic material or permanent magnet material.
  • an upper vertical plate is integrally formed at the right end of the upper surface of the rectangular cavity
  • a lower vertical plate is integrally formed at the right end of the lower surface of the rectangular cavity; one of the first permanent magnet and the second permanent magnet The gap between is equal to the gap between the upper riser and the lower riser.
  • the utility model relates to a wireless switch, 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 C-type dual-magnet miniature self-generating device of the present invention in its initial state, the left and right ends of the soft magnetic plate are connected to the right end of the upper soft magnetic plate and the left end of the lower soft magnetic plate through the second permanent magnet A first closed magnetic circuit is formed.
  • the left and right ends of the soft magnetic plate are connected to the left end of the upper soft magnetic plate and the right end of the lower soft magnetic plate through the first permanent magnet to form a second closed magnetic
  • the direction of the magnetic field lines passing through the soft magnetic plate in the first closed magnetic circuit is opposite to the direction of the magnetic field lines 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 pass through the second permanent magnets
  • the left end of the lower surface of the cavity and the right end of the upper surface of the rectangular cavity are connected to form a third closed magnetic circuit.
  • the left end of the surface and the right end of the lower surface of the rectangular cavity are connected to form a fourth closed magnetic circuit.
  • the direction of the magnetic field lines passing through the soft magnetic plate in the third closed magnetic circuit is opposite to the direction of the magnetic field lines passing through the soft magnetic plate in the fourth closed magnetic circuit;
  • the soft magnetic plate rotates relative to the permanent magnet assembly to change the direction of the magnetic field lines passing through the soft magnetic plate.
  • the coil According to the principle of electromagnetic induction, the coil generates current, and since the closed magnetic circuit is formed, the magnetic flux passing through the coil is maximized, and the power generation efficiency is high. Strong, sufficient power supply;
  • a C-shaped dual-magnet miniature self-generation device of the present invention has a permanent magnet assembly and a coil assembly with few parts.
  • the permanent magnet assembly includes a first permanent magnet, a second permanent magnet and a C-shaped soft magnetic frame.
  • the permanent magnet assembly includes a first permanent magnet, a second permanent magnet and two C-shaped soft magnetic frames arranged opposite to each other;
  • the coil assembly includes a soft magnetic plate and a coil; the closed magnetic circuit formed by the cooperation of the permanent magnet assembly and the coil assembly is simple, and the manufacturing Convenience, low manufacturing cost and quick assembly;
  • a C-shaped dual-magnet miniature self-generating device of the present invention because the soft magnetic plate is rotatably arranged in the C-shaped cavity of the C-shaped soft magnetic frame relative to the permanent magnet assembly, or the soft magnetic plate is It can be rotatably arranged in the rectangular cavity relative to the permanent magnet assembly, so it can be made into a rocker switch that can be pressed on one side or on both sides according to needs;
  • a C-type dual-magnet miniature self-generating device of the present invention in which the upper soft magnetic plate and the lower soft magnetic plate are provided with gaps in the middle positions, which saves materials and further reduces the manufacturing cost;
  • a wireless switch of the present invention includes a radio frequency control board, a switch for controlling electrical equipment, and the above self-powered device.
  • the coil of the self-powered device is electrically connected to the radio frequency control board, and the coil of the self-powered device Generate electric current to supply power to the radio frequency control board, which can realize passive wireless switch control.
  • Figure 1 is a schematic structural view of Embodiment 1 of a C-type dual-magnet miniature self-generating device of the present invention
  • Figure 2 is a schematic structural view of Embodiment 2 of a C-type dual-magnet miniature self-generating device of the present invention
  • Fig. 3 is a schematic structural diagram of a further improved embodiment 1 of a C-type dual-magnet miniature self-powering device of the utility model;
  • Embodiment 5 of a C-type dual-magnet miniature self-generating device of the present invention
  • Fig. 5 is a schematic structural diagram of Embodiment 3 of a C-type dual-magnet miniature self-generating device of the present invention.
  • Figure 6 is a schematic view of the structure of the mounting seat I in the embodiment 1 of the C-type dual-magnet miniature self-generating device of the utility model;
  • Figure 7 is a schematic structural view of the mounting base II in Embodiment 3 of a C-type dual-magnet miniature self-powering device of the utility model;
  • Fig. 8 is a cross-sectional view of the assembly structure of the coil assembly and the permanent magnet assembly in the third embodiment of the C-type dual-magnet miniature self-generation device of the present invention.
  • a C-shaped dual-magnet miniature self-generation device of this embodiment includes a coil assembly and a permanent magnet assembly.
  • the permanent magnet assembly includes a first permanent magnet 1, a second permanent magnet 2 and a C-shaped soft magnetic frame 3.
  • the C-shaped soft magnetic frame 3 includes an upper soft magnetic plate 3-1, a lower soft magnetic plate 3-2, and a middle soft magnetic plate 3-3 connected to the upper soft magnetic plate 3-1 and the lower soft magnetic plate 3-2;
  • the permanent magnet 1 and the second permanent magnet 2 are both arranged in the C-shaped cavity of the C-shaped soft magnetic frame 3.
  • the first permanent magnet 1 is fixed on the left end of the upper soft magnetic plate 3-1, and the second permanent magnet 2 is fixed on the lower soft magnetic plate.
  • the coil assembly includes a soft magnetic plate 4 and a coil 5, the coil 5 is wound on the middle of the soft magnetic plate 4; the soft magnetic plate 4 is rotatably arranged on the C-shaped soft magnetic frame relative to the permanent magnet assembly In the C-shaped cavity of 3, in the initial state, the left and right ends of the soft magnetic plate 4 are connected to the right end of the upper soft magnetic plate 3-1 and the left end of the lower soft magnetic plate 3-2 through the second permanent magnet 2 to form a first Close the magnetic circuit; when the soft magnetic plate 4 rotates relative to the permanent magnet assembly, the left and right ends of the soft magnetic plate 4 pass through the first permanent magnet 1 and the left end of the upper soft magnetic plate 3-1 and the right end of the lower soft magnetic plate 3-2 Connected to form a second closed magnetic circuit; the direction of the magnetic field lines passing through the soft magnetic plate 4 in the first closed magnetic circuit is opposite to the direction of the magnetic field lines passing through the soft magnetic plate 4 in the second closed magnetic circuit; by controlling the soft magnetic plate to rotate relative to
  • the upper soft magnetic plate 3-1 and the lower soft magnetic plate 3-2 are provided with a notch 3-4 at the middle positions (see FIG. 3), which saves manufacturing materials.
  • the mounting seat I7 (see Figure 6) includes the coil winding section I7-1 and two soft magnetic frame fixing sections I7-2 formed at the left and right ends of the coil winding section I7-1 ;
  • the sides of the two soft magnetic frame fixing sections I7-2 are provided with the first upper insertion hole 7-3 and the first lower insertion hole 7-4 for the upper and lower soft magnetic plates to be inserted;
  • two sections The end faces of the fixed section I7-2 of the soft magnetic frame are all concavely formed with two first mounting cavities 7-5 connecting the first upper inserting hole 7-3 and the first lower inserting hole 7-4;
  • the mounting seat The middle part of I7 is provided with a first connecting cavity 7-6 that penetrates the mounting seat I7 on the left and right.
  • the width of the cavity 7-5 is greater than the width of the first connecting cavity 7-6; the left and right ends of the upper soft magnetic plate 3-1 of the C-shaped soft magnetic frame 3 are respectively inserted into the left and right first upper insertion holes 7-3, C The left and right ends of the lower soft magnetic plate 3-2 of the shaped soft magnetic frame 3 are respectively inserted into the left and right first lower insertion holes 7-4; the above-mentioned first permanent magnet 1 and second permanent magnet 2 are both arranged on the right side The first permanent magnet 1 is attached to the left end of the upper soft magnetic plate 3-1, and the second permanent magnet 2 is attached to the left end of the lower soft magnetic plate 3-2; the above-mentioned coil 5 It is wound on the coil winding section I7-1; the above-mentioned soft magnetic plate 4 is rotatably arranged in the first connecting cavity 7-6.
  • the drive end of the soft magnetic plate 4 It is fixedly equipped with energy storage springs, which can be made into a rocker switch that can be pressed on one side or on both sides according to the needs;
  • the inner wall of the first connection cavity 7-6 is provided with two fulcrums that are opposite to each other as the pivoting fulcrums of the soft magnetic plate I Section 8-5;
  • the permanent magnet assembly and the coil assembly themselves have few components, and the closed magnetic circuit formed by the permanent magnet assembly and the coil assembly is simple, convenient to manufacture, low in manufacturing cost, and quick to assemble;
  • the right end of the upper soft magnetic plate 3-1 and the right end of the lower soft magnetic plate 3-2 are fixed with a spacer 6 (see Figure 1)
  • the gap between the first permanent magnet 1 and the second permanent magnet 2 is equal to the gap between the two spacer blocks 6;
  • the spacer block 6 mentioned above is made of soft magnetic material or permanent magnet material;
  • the two spacer blocks 6 are arranged in After being located in the first installation cavity 7-5 on the left, two spacer blocks 6 are respectively fixedly connected to the right end of the upper soft magnetic board 3-1 and the right end of the lower soft magnetic board 3-2.
  • the C-type dual-magnet miniature self-generating device of this embodiment further includes an upper magnetic conductive plate 10 and a lower magnetic conductive plate 11 (see FIG. 3), and the upper magnetic conductive plate 10 It is fixed on the lower surface of the first permanent magnet 1, and the lower magnetic permeable plate 11 is fixed on the upper surface of the second permanent magnet 2.
  • the magnetic permeable plate can gather the magnetic lines of force and further maximize the magnetic lines of force passing through the soft magnetic plate 4.
  • a wireless switch of this embodiment 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 basic structure of a C-type dual-magnet miniature self-generation device of this embodiment is the same as that of Embodiment 1, except that the upper soft magnetic plate 3-1 is integrally formed with an upper vertical plate 3-5 at the right end.
  • the right end of the lower soft magnetic plate 3-2 is integrally formed with a lower vertical plate 3-6; the gap between the upper vertical plate 3-5 and the lower vertical plate 3-6 is equal to that between the first permanent magnet 1 and the second permanent magnet 2
  • One side of the two first installation cavities 7-5 on the left side of the mounting seat I7 penetrates the fixed section I7-2 of the soft magnetic frame, so that the right end of the upper soft magnetic plate 3-1 and the lower soft magnetic
  • the upper riser 3-5 and the lower riser 3-6 are inserted into the upper and lower first installations together Within the cavity 7-5.
  • a C-shaped dual-magnet miniature self-generating device of this embodiment includes a coil assembly and a permanent magnet assembly.
  • the permanent magnet assembly includes a first permanent magnet 1, a second permanent magnet 2 and two C-shaped The soft magnetic frame 3, two C-shaped soft magnetic frames 3 are arranged up and down oppositely, and the two C-shaped soft magnetic frames 3 are connected together to form a rectangular cavity; the first permanent magnet 1 and the second permanent magnet 2 are both arranged in the rectangular cavity In the cavity, the first permanent magnet 1 is fixed at the left end of the upper surface of the rectangular cavity, and the second permanent magnet 2 is fixed at the left end of the lower surface of the rectangular cavity; the coil assembly includes a soft magnetic plate 4 and a coil 5, and the coil 5 is wound.
  • the soft magnetic plate 4 is rotatably arranged in the rectangular cavity relative to the permanent magnet assembly.
  • the left and right ends of the soft magnetic plate 4 pass through the second permanent magnet 2 and the rectangular cavity
  • the left end of the surface and the right end of the upper surface of the rectangular cavity are connected to form a third closed magnetic circuit;
  • the soft magnetic plate 4 rotates relative to the permanent magnet assembly, the left and right ends of the soft magnetic plate 4 are connected to the rectangular cavity through the first permanent magnet 1
  • the left end of the surface and the right end of the lower surface of the rectangular cavity are connected to form a fourth closed magnetic circuit;
  • the direction of the magnetic field lines passing through the soft magnetic plate 4 in the third closed magnetic circuit is opposite to the direction of the magnetic field lines passing through the soft magnetic plate 4 in the fourth closed magnetic circuit;
  • the upper second mounting cavity 8-3 penetrates the upper surface of the soft magnetic frame fixing section II 8-2, and the lower second mounting cavity 8-3 Pass through the lower surface of the soft magnetic frame fixing section II 8-2; inside the mounting seat II 8 is provided a second connecting cavity 8-4 passing through the mounting seat II 8.
  • the left and right ends of the second connecting cavity 8-4 are connected to the The two second mounting cavities 8-3 are in communication, and the width of the second connecting cavity 8-4 is smaller than the width of the second mounting cavity 8-3; the first permanent magnet 1 and the second permanent magnet 2 are respectively arranged in the two on the right After the second installation cavity 8-3, the first permanent magnet 1 is adsorbed on the left end of the middle soft magnetic plate 3-3 of the upper C-shaped soft magnetic frame 3, and the second permanent magnet 2 is adsorbed on the lower C-shaped soft magnetic At the left end of the middle soft magnetic plate 3-3 of the frame 3; the coil 5 is wound on the coil winding section II 8-1; the soft magnetic plate 4 is rotatably arranged in the second connecting cavity 8-4 and the soft magnetic plate 4 is driven The end protrudes from the mounting seat II, and the soft magnetic plate 4 is supported between the two fulcrum parts 8-5 formed on the inner wall of the second connecting cavity 8-4 as the rotation fulcrum of the soft magnetic plate; the drive end of the soft magnetic plate 4 is fixed Equipped
  • the right end of the upper surface of the rectangular cavity and the right end of the lower surface of the rectangular cavity are both fixedly provided with a spacer 6; the first permanent magnet 1 and the second permanent magnet 1
  • the gap between the permanent magnets 2 is equal to the gap between the two spacer blocks 6; the spacer block 6 described above is made of soft magnetic material or permanent magnet material; specifically to the upper C-shaped soft magnetic frame 3 in this embodiment
  • the right end of the middle soft magnetic plate 3-3 and the right end of the middle soft magnetic plate 3-3 of the C-shaped soft magnetic frame 3 on the lower side are both fixedly provided with a spacer 6;
  • the C-type dual-magnet miniature self-generating device of this embodiment further includes an upper magnetic conductive plate 10 and a lower magnetic conductive plate 11, and the upper magnetic conductive plate 10 is fixed on the first permanent The lower surface of the magnet 1 and the lower magnetic conductive plate 11 are fixed on the upper surface of the second permanent magnet 2.
  • the magnetic conductive plate can gather the magnetic lines of force and further maximize the magnetic lines of force passing through the soft magnetic plate 4.
  • the basic structure of a C-type dual-magnet miniature self-powered device of this embodiment is the same as that of Embodiment 3. The difference is that: an upper vertical plate 3-5 is integrally formed at the right end of the upper surface of the rectangular cavity, and the lower surface of the rectangular cavity A lower vertical plate 3-6 is integrally formed at the right end; the gap between the first permanent magnet 1 and the second permanent magnet 2 is equal to the gap between the upper vertical plate 3-5 and the lower vertical plate 3-6; In the embodiment, an upper vertical plate 3-5 is integrally formed at the right end of the middle soft magnetic plate 3-3 of the upper C-shaped soft magnetic frame 3, and the right end of the middle soft magnetic plate 3-3 of the lower C-shaped soft magnetic frame 3 A lower riser 3-6 is integrally formed at the place.
  • the basic structure of a C-shaped dual-magnet miniature self-generation device of this embodiment is the same as that of Embodiment 3.
  • the difference is: two C-shaped soft magnetic frames 3 are arranged opposite to each other; two C-shaped soft magnetic frames 3 The left and right sides are hug and fixed together; the left ends of the upper soft magnetic plates 3-1 of the two C-shaped soft magnetic racks 3 are connected together by the first permanent magnet 1 of the second mounting cavity on the upper right side; the two C-shaped soft magnetic frames The left ends of the lower soft magnetic plates 3-2 of the frame 3 are connected together by the second permanent magnets 2 in the second mounting cavity on the lower right side;
  • the right ends of the upper soft magnetic plates 3-1 of the two C-shaped soft magnetic frames 3 are connected to the Together; the right ends of the lower soft magnetic plates 3-2 of the two C-shaped soft magnetic racks 3 are connected together by the spacer block 6 provided in the second mounting cavity on the lower left side.
  • the middle positions of the upper soft magnetic plate 3-1 and the lower soft magnetic plate 3-2 of the C-shaped soft magnetic frame 3 are provided with notches 3-4, which saves manufacturing materials.
  • the utility model relates to a C-type dual-magnet miniature self-powered device and a wireless switch using it.
  • the self-powered device has simple magnetic circuit, convenient manufacture, high power generation efficiency, strong current, and sufficient power supply.
  • the wireless switch can realize passive wireless Type switch control.

Abstract

一种C型双磁铁微型自发电装置及应用其的无线开关。发电装置,包括线圈组件和永磁铁组件,永磁体组件包括第一永磁体(1)、第二永磁体(2)和C形软磁架(3),线圈组件包括软磁板(4)和线圈(5),软磁板(4)可相对永磁体组件转动地设置在C形软磁架(3)的C形空腔内,初始状态时,所述的软磁板(4)的左右两端通过第二永磁体(2)与上软磁板(3-1)的右端、下软磁板(3-2)的左端连接形成第一闭合磁路;当软磁板(4)相对永磁铁组件转动后,所述的软磁板(4)的左右两端通过第一永磁体(1)与上软磁板(3-1)的左端、下软磁板(3-2)的右端连接形成第二闭合磁路。无线开关,包括射频控制板、用以控制用电设备的开关以及自发电装置,自发电装置的线圈与射频控制板电性连接。

Description

一种C型双磁铁微型自发电装置及应用其的无线开关 技术领域
本实用新型涉及一种发电装置,更具体地说,涉及一种C型双磁铁微型自发电装置及应用其的无线开关。
背景技术
随着科技的进步,无线控制器已经非常普遍的应用于各种家用电器中,相应的也就出现了使用无线开关来控制家用电器的无线开关,现有的无线开关可分为电池式无线开关和自发电式(无源)无线开关,这些无线开关的使用,极大的方便了人们的日常生活,然而,现有的无线开关在使用时存在很多的问题:1、电磁式无线开关需要安装充电电池,由于开关处于无线连接状态,需要经常将电池取出充电,由于用户经常忘记充电,导致在使用电器的时候误判断为停电,使用不方便;2、现有的自发电式无线开关中自发电装置磁路复杂,制造不便,增加了制造成本;3、现有的自发电式无线开关中自发电装置发电效率低,电流弱,供电量不足,导致家用电器的控制不稳定。
发明内容
1.实用新型要解决的技术问题
本实用新型的目的在于克服上述的不足,提供了一种C型双磁铁微型自发电装置及应用其的无线开关,采用本实用新型的技术方案,自发电装置磁路简单,制造方便,且发电效率高,电流强,供电量足,无线开关可以实现无源无线式开关控制。
2.技术方案
为达到上述目的,本实用新型提供的技术方案为:
本实用新型的一种C型双磁铁微型自发电装置,包括线圈组件和永磁体组件,所述的永磁体组件包括第一永磁体、第二永磁体和C形软磁架,所述的C形软磁架包括上软磁板、下软磁板和连接上软磁板、下软磁板的中间软磁板;所述的第一永磁体和第二永磁体均设置在C形软磁架的C形空腔内,第一永磁体固定在上软磁板的左端,第二永磁体固定在下软磁板的左端;或者所述的永磁体组件包括第一永磁体、第二永磁体、C形软磁架、上导磁板和下导磁板,所述的C形软磁架包括上软磁板、下软磁板和连接上软磁板、下软磁板的中间软磁板;所述的第一永磁体和第二永磁体均设置在C形软磁架的C形空腔内,第一永磁体固定在上软磁板的左端与上导磁板之间,第二永磁体固定在下软磁板的左端和下导磁板之间;
所述的线圈组件包括软磁板和线圈,所述的线圈绕设在软磁板的中部上;所述的软磁板 可相对永磁体组件转动地设置在C形软磁架的C形空腔内,初始状态时,所述的软磁板的左右两端通过第二永磁体与上软磁板的右端、下软磁板的左端连接形成第一闭合磁路;当软磁板相对永磁铁组件转动后,所述的软磁板的左右两端通过第一永磁体与上软磁板的左端、下软磁板的右端连接形成第二闭合磁路;所述的第一闭合磁路中经过软磁板的磁力线方向与第二闭合磁路中经过软磁板的磁力线方向相反。
更进一步地,所述的上软磁板和下软磁板的中间位置处均开设有缺槽。
更进一步地,所述的上软磁板的右端和下软磁板的右端均固设有垫块;所述的第一永磁体与第二永磁体之间的间隙等于两块垫块之间的间隙;上述的垫块采用软磁材料或永磁体材料制成。
更进一步地,所述的上软磁板的右端一体形成有上竖板,下软磁板的右端一体形成有下竖板;所述的上竖板与下竖板之间的间隙等于第一永磁体与第二永磁体之间的间隙。
本实用新型的一种C型双磁铁微型自发电装置,包括线圈组件和永磁体组件,所述的永磁体组件包括第一永磁体、第二永磁体和相向设置的两个C形软磁架,所述的两个C形软磁架连接在一起围构成矩形空腔;所述的第一永磁体、第二永磁体均设置在矩形空腔内,第一永磁体固定在矩形空腔上表面的左端处,第二永磁体固定在矩形空腔下表面的左端处;或者所述的永磁体组件包括第一永磁体、第二永磁体、相向设置的两个C形软磁架、上导磁板和下导磁板,所述的两个C形软磁架连接在一起围构成矩形空腔;所述的第一永磁体、第二永磁体均设置在矩形空腔内,所述的第一永磁体固定在矩形空腔上表面左端与上导磁板之间,第二永磁体固定在矩形空腔下表面左端与下导磁板之间;
所述的线圈组件包括软磁板和线圈,所述的线圈绕设在软磁板的中部上;所述的软磁板可相对永磁体组件转动地设置在矩形空腔内,初始状态时,所述的软磁板的左右两端通过第二永磁体与矩形空腔下表面的左端、矩形空腔上表面的右端连接形成第三闭合磁路;当软磁板相对永磁体组件转动后,所述的软磁板的左右两端通过第一永磁体与矩形空腔上表面的左端、矩形空腔下表面的右端连接形成第四闭合磁路;所述的第三闭合磁路中经过软磁板的磁力线方向与第四闭合磁路中经过软磁板的磁力线方向相反。
更进一步地,所述的两个C形软磁架左右相向设置,所述的C形软磁架的上软磁板和下软磁板的中间位置处均开设有缺槽。
更进一步地,所述的两个C形软磁架上下相对设置。
更进一步地,所述的矩形空腔上表面的右端处和矩形空腔下表面的右端处均固设有垫块;所述的第一永磁体和第二永磁体之间的间隙等于两块垫块之间的间隙;上述的垫块采用软磁材料或永磁体材料制成。
更进一步地,所述的矩形空腔上表面的右端处一体形成有上竖板,矩形空腔下表面的右端处一体形成有下竖板;所述的第一永磁体和第二永磁体之间的间隙等于上竖板和下竖板之间的间隙。
本实用新型的一种无线开关,射频控制板、用以控制用电设备的开关以及上述的自发电装置,所述的自发电装置的线圈与射频控制板电性连接。
3.有益效果
采用本实用新型提供的技术方案,与已有的公知技术相比,具有如下有益效果:
(1)本实用新型的一种C型双磁铁微型自发电装置,其初始状态时,软磁板的左右两端通过第二永磁体与上软磁板的右端、下软磁板的左端连接形成第一闭合磁路,当软磁板相对永磁铁组件转动后,软磁板的左右两端通过第一永磁体与上软磁板的左端、下软磁板的右端连接形成第二闭合磁路,第一闭合磁路中经过软磁板的磁力线方向与第二闭合磁路中经过软磁板的磁力线方向相反;或者初始状态时,软磁板的左右两端通过第二永磁体与矩形空腔下表面的左端、矩形空腔上表面的右端连接形成第三闭合磁路,当软磁板相对永磁体组件转动后,软磁板的左右两端通过第一永磁体与矩形空腔上表面的左端、矩形空腔下表面的右端连接形成第四闭合磁路,第三闭合磁路中经过软磁板的磁力线方向与第四闭合磁路中经过软磁板的磁力线方向相反;通过控制软磁板相对永磁体组件转动来变换通过软磁板的磁力线方向,根据电磁感应原理,线圈产生电流,又由于形成的是闭合磁路,因此最大化了通过线圈的磁通量,发电效率高,电流强,供电量足;
(2)本实用新型的一种C型双磁铁微型自发电装置,其永磁铁组件和线圈组件本身组成零件少,永磁铁组件包括第一永磁体、第二永磁体和C形软磁架,或者永磁铁组件包括第一永磁体、第二永磁体和相向设置的两个C形软磁架;线圈组件包括软磁板和线圈;永磁铁组件和线圈组件配合形成的闭合磁路简单,制造方便,制造成本低廉,组装快捷;
(3)本实用新型的一种C型双磁铁微型自发电装置,其由于软磁板是可相对永磁体组件转动地设置在C形软磁架的C形空腔内,或者软磁板是可相对永磁体组件转动地设置在矩形空腔内,因此可以根据需要做成一边按压或两边按压的跷板式开关;
(4)本实用新型的一种C型双磁铁微型自发电装置,其上软磁板和下软磁板的中间位置处均开设有缺槽,节省材料,进一步降低制造成本;
(5)本实用新型的一种无线开关,其包括射频控制板、用以控制用电设备的开关以及上述自发电装置,自发电装置的线圈与射频控制板电性连接,自发电装置中线圈产生电流给射频控制板供电,可以实现无源无线式开关控制。
附图说明
图1为本实用新型的一种C型双磁铁微型自发电装置实施例1的结构示意图;
图2为本实用新型的一种C型双磁铁微型自发电装置实施例2的结构示意图;
图3为本实用新型的一种C型双磁铁微型自发电装置实施例1进一步改进的结构示意图;
图4为本实用新型的一种C型双磁铁微型自发电装置实施例5的结构示意图;
图5为本实用新型的一种C型双磁铁微型自发电装置实施例3的结构示意图;
图6为本实用新型的一种C型双磁铁微型自发电装置实施例1中安装座Ⅰ的结构示意图;
图7为本实用新型的一种C型双磁铁微型自发电装置实施例3中安装座Ⅱ的结构示意图;
图8为本实用新型的一种C型双磁铁微型自发电装置实施例3中线圈组件和永磁体组件组装结构的剖视图。
示意图中的标号说明:1、第一永磁体;2、第二永磁体;3、C形软磁架;3-1、上软磁板;3-2、下软磁板;3-3、中间软磁板;3-4、缺槽;3-5、上竖板;3-6、下竖板;4、软磁板;5、线圈;6、垫块;7、安装座Ⅰ;7-1、线圈绕线段Ⅰ;7-2、软磁架固定段Ⅰ;7-3、第一上插接孔;7-4、第一下插接孔;7-5、第一安装腔;7-6、第一连接腔;8、安装座Ⅱ;8-1、线圈绕线段Ⅱ;8-2、软磁架固定段Ⅱ;8-3、第二安装腔;8-4、第二连接腔;8-5、支点部。
具体实施方式
为进一步了解本实用新型的内容,结合附图和实施例对本实用新型作详细描述。
实施例1
结合图1,本实施例的一种C型双磁铁微型自发电装置,包括线圈组件和永磁体组件,永磁体组件包括第一永磁体1、第二永磁体2和C形软磁架3,C形软磁架3包括上软磁板3-1、下软磁板3-2和连接上软磁板3-1、下软磁板3-2的中间软磁板3-3;第一永磁体1和第二永磁体2均设置在C形软磁架3的C形空腔内,第一永磁体1固定在上软磁板3-1的左端,第二永磁体2固定在下软磁板3-2的左端;线圈组件包括软磁板4和线圈5,线圈5绕设在软磁板4的中部上;软磁板4可相对永磁体组件转动地设置在C形软磁架3的C形空腔内,初始状态时,软磁板4的左右两端通过第二永磁体2与上软磁板3-1的右端、下软磁板3-2的左端连接形成第一闭合磁路;当软磁板4相对永磁铁组件转动后,软磁板4的左右两端通过第一永磁体1与上软磁板3-1的左端、下软磁板3-2的右端连接形成第二闭合磁路;第一闭合磁路中经过软磁板4的磁力线方向与第二闭合磁路中经过软磁板4的磁力线方向相反;通过控制软磁板相对永磁体组件转动来变换通过软磁板的磁力线方向,根据电磁感应原理,线圈产生电流,又由于形成的是闭合磁路,因此最大化了通过线圈的磁通量,发电效率高,电流强,供电量足;
为了进一步地降低制造成本,上软磁板3-1和下软磁板3-2的中间位置处均开设有缺槽 3-4(参见图3所示),节省了制造材料。
具体线圈组件和永磁体组件组装结构为:安装座Ⅰ7(参见图6所示)包括线圈绕线段Ⅰ7-1和形成于线圈绕线段Ⅰ7-1左右两端的两段软磁架固定段Ⅰ7-2;两段软磁架固定段Ⅰ7-2的侧面均开设有以便上软磁板、下软磁板插入的第一上插接孔7-3、第一下插接孔7-4;两段软磁架固定段Ⅰ7-2的端面均内凹形成有用以将第一上插接孔7-3、第一下插接孔7-4连通的两个第一安装腔7-5;安装座Ⅰ7中部开设有左右贯穿安装座Ⅰ7的第一连接腔7-6,第一连接腔7-6的左右两端与左右两侧的两个第一安装腔7-5均连通,该第一安装腔7-5宽度大于第一连接腔7-6的宽度;C形软磁架3的上软磁板3-1左右两端分别插入左右两个第一上插接孔7-3内,C形软磁架3的下软磁板3-2左右两端分别插入左右两个第一下插接孔7-4内;上述的第一永磁体1和第二永磁体2均设置在右侧的两个第一安装腔7-5内,并第一永磁体1吸附在上软磁板3-1的左端,第二永磁体2吸附在下软磁板3-2的左端;上述的线圈5绕设在线圈绕线段Ⅰ7-1上;上述的软磁板4可转动地设置在第一连接腔7-6内后软磁板的驱动端伸出安装座Ⅰ,软磁板4的驱动端固设有储能弹片,可以根据需要做成一边按压或两边按压的跷板式开关;上述第一连接腔7-6的内壁上设有两个互相正对的作为软磁板Ⅰ转动支点的支点部8-5;永磁铁组件和线圈组件本身组成零件少,永磁铁组件和线圈组件配合形成的闭合磁路简单,制造方便,制造成本低廉,组装快捷;
为了保证支点部8-5位于软磁板两接触点中间位置,上软磁板3-1的右端和下软磁板3-2的右端均固设有垫块6(参见图1所示);第一永磁体1与第二永磁体2之间的间隙等于两块垫块6之间的间隙;上述的垫块6采用软磁材料或永磁体材料制成;两块垫块6设置在位于左侧的第一安装腔7-5内后,两块垫块6分别与上软磁板3-1的右端和下软磁板3-2的右端固连。
为了最大化通过软磁板4的磁力线,本实施例的一种C型双磁铁微型自发电装置,还包括上导磁板10和下导磁板11(参见图3),上导磁板10固定在第一永磁体1的下表面,下导磁板11固定在第二永磁体2的上表面,使用导磁板可以聚集磁力线,可以进一步最大化通过软磁板4的磁力线。
本实施例的一种无线开关,射频控制板、用以控制用电设备的开关以及上述的自发电装置,自发电装置的线圈与射频控制板电性连接。
实施例2
结合图2,本实施例的一种C型双磁铁微型自发电装置的基本结构同实施例1,不同之处在于:上软磁板3-1的右端一体形成有上竖板3-5,下软磁板3-2的右端一体形成有下竖板3-6;上竖板3-5与下竖板3-6之间的间隙等于第一永磁体1与第二永磁体2之间的间隙;安 装座Ⅰ7上位于左侧的两个第一安装腔7-5的一侧面均贯穿软磁架固定段Ⅰ7-2,这样的话使得上软磁板3-1的右端和下软磁板3-2的右端分别插入第一上插接孔7-3、第一下插接孔7-4时,上竖板3-5和下竖板3-6一起插入上下两个第一安装腔7-5内。
实施例3
结合图5,本实施例的一种C型双磁铁微型自发电装置,包括线圈组件和永磁体组件,永磁体组件包括第一永磁体1、第二永磁体2和相向设置的两个C形软磁架3,两个C形软磁架3上下相对设置,两个C形软磁架3连接在一起围构成矩形空腔;第一永磁体1、第二永磁体2均设置在矩形空腔内,第一永磁体1固定在矩形空腔上表面的左端处,第二永磁体2固定在矩形空腔下表面的左端处;线圈组件包括软磁板4和线圈5,线圈5绕设在软磁板4的中部上;软磁板4可相对永磁体组件转动地设置在矩形空腔内,初始状态时,软磁板4的左右两端通过第二永磁体2与矩形空腔下表面的左端、矩形空腔上表面的右端连接形成第三闭合磁路;当软磁板4相对永磁体组件转动后,软磁板4的左右两端通过第一永磁体1与矩形空腔上表面的左端、矩形空腔下表面的右端连接形成第四闭合磁路;第三闭合磁路中经过软磁板4的磁力线方向与第四闭合磁路中经过软磁板4的磁力线方向相反;通过控制软磁板4相对永磁体组件转动来变换通过软磁板4的磁力线方向,根据电磁感应原理,线圈产生电流,又由于形成的是闭合磁路,因此最大化了通过线圈的磁通量,发电效率高,电流强,供电量足;
具体线圈组件和永磁体组件组装结构为(参见图8所示):两个C形软磁架3上下合抱固定在一起,安装座Ⅱ8设置在两个C形软磁架围构成的矩形空腔内;安装座Ⅱ8(参见图7所示)包括线圈绕线段Ⅱ8-1和形成于线圈绕线段Ⅱ8-1左右两端的两段软磁架固定段Ⅱ8-2;两段软磁架固定段Ⅱ8-2的端面内凹形成有两个第二安装腔8-3,上侧的第二安装腔8-3贯穿软磁架固定段Ⅱ8-2上表面,下侧的第二安装腔8-3贯穿软磁架固定段Ⅱ8-2下表面;安装座Ⅱ8内设置有左右贯穿安装座Ⅱ8的第二连接腔8-4,该第二连接腔8-4的左右两端分别与左右两侧的两个第二安装腔8-3连通,第二连接腔8-4的宽度小于第二安装腔8-3的宽度;第一永磁体1和第二永磁体2分别设置在右侧的两个第二安装腔8-3内后,第一永磁体1吸附在上侧的C形软磁架3的中间软磁板3-3左端处,第二永磁体2吸附在下侧的C形软磁架3的中间软磁板3-3左端处;线圈5绕设在线圈绕线段Ⅱ8-1上;软磁板4可转动地设置在第二连接腔8-4内后软磁板4的驱动端伸出安装座Ⅱ,且软磁板4支撑在形成于第二连接腔8-4内壁上作为软磁板转动支点的两个支点部8-5之间;软磁板4的驱动端固设有储能弹片;
为了保证支点部8-5位于软磁板两接触点中间位置,矩形空腔上表面的右端处和矩形空腔下表面的右端处均固设有垫块6;第一永磁体1和第二永磁体2之间的间隙等于两块垫块6 之间的间隙;上述的垫块6采用软磁材料或永磁体材料制成;具体到本实施例中上侧的C形软磁架3的中间软磁板3-3右端处和下侧的C形软磁架3的中间软磁板3-3右端处均固设有垫块6;
为了最大化通过软磁板4的磁力线,本实施例的一种C型双磁铁微型自发电装置,还包括上导磁板10和下导磁板11,上导磁板10固定在第一永磁体1的下表面,下导磁板11固定在第二永磁体2的上表面,使用导磁板可以聚集磁力线,可以进一步最大化通过软磁板4的磁力线。
本实施例的一种无线开关,射频控制板、用以控制用电设备的开关以及上述的自发电装置,自发电装置的线圈与射频控制板电性连接。
实施例4
本实施例的一种C型双磁铁微型自发电装置的基本结构同实施例3,不同之处在于:矩形空腔上表面的右端处一体形成有上竖板3-5,矩形空腔下表面的右端处一体形成有下竖板3-6;第一永磁体1和第二永磁体2之间的间隙等于上竖板3-5和下竖板3-6之间的间隙;具体到本实施例中上侧的C形软磁架3的中间软磁板3-3右端处一体形成有上竖板3-5,下侧的C形软磁架3的中间软磁板3-3右端处一体形成有下竖板3-6。
实施例5
结合图4,本实施例的一种C型双磁铁微型自发电装置的基本结构同实施例3,不同之处在于:两个C形软磁架3左右相向设置;两个C形软磁架3左右合抱固定在一起;两个C形软磁架3的上软磁板3-1左端通过设于右上侧的第二安装腔的第一永磁体1连接在一起;两个C形软磁架3的下软磁板3-2左端通过设于右下侧的第二安装腔的第二永磁体2连接在一起;
为了保证支点部8-5位于软磁板两接触点中间位置,两个C形软磁架3的上软磁板3-1右端通过设于左上侧的第二安装腔的垫块6连接在一起;两个C形软磁架3的下软磁板3-2右端通过设于左下侧的第二安装腔的垫块6连接在一起。
为了进一步地降低制造成本,C形软磁架3的上软磁板3-1和下软磁板3-2的中间位置处均开设有缺槽3-4,节省了制造材料。
实施例6
本实施例的一种C型双磁铁微型自发电装置的基本结构同实施例5,不同之处在于:上软磁板3-1的右端一体形成有上竖板3-5,下软磁板3-2的右端一体形成有下竖板3-6。
本实用新型的一种C型双磁铁微型自发电装置及应用其的无线开关,自发电装置磁路简单,制造方便,且发电效率高,电流强,供电量足,无线开关可以实现无源无线式开关控制。
以上示意性的对本实用新型及其实施方式进行了描述,该描述没有限制性,附图中所示的也只是本实用新型的实施方式之一,实际的结构并不局限于此。所以,如果本领域的普通技术人员受其启示,在不脱离本实用新型创造宗旨的情况下,不经创造性的设计出与该技术方案相似的结构方式及实施例,均应属于本实用新型的保护范围。

Claims (10)

  1. 一种C型双磁铁微型自发电装置,包括线圈组件和永磁体组件,其特征在于:所述的永磁体组件包括第一永磁体(1)、第二永磁体(2)和C形软磁架(3),所述的C形软磁架(3)包括上软磁板(3-1)、下软磁板(3-2)和连接上软磁板(3-1)、下软磁板(3-2)的中间软磁板(3-3);所述的第一永磁体(1)和第二永磁体(2)均设置在C形软磁架(3)的C形空腔内,第一永磁体(1)固定在上软磁板(3-1)的左端,第二永磁体(2)固定在下软磁板(3-2)的左端;或者所述的永磁体组件包括第一永磁体(1)、第二永磁体(2)、C形软磁架(3)、上导磁板(10)和下导磁板(11),所述的C形软磁架(3)包括上软磁板(3-1)、下软磁板(3-2)和连接上软磁板(3-1)、下软磁板(3-2)的中间软磁板(3-3);所述的第一永磁体(1)和第二永磁体(2)均设置在C形软磁架(3)的C形空腔内,第一永磁体(1)固定在上软磁板(3-1)的左端与上导磁板(10)之间,第二永磁体(2)固定在下软磁板(3-2)的左端和下导磁板(11)之间;
    所述的线圈组件包括软磁板(4)和线圈(5),所述的线圈(5)绕设在软磁板(4)的中部上;所述的软磁板(4)可相对永磁体组件转动地设置在C形软磁架(3)的C形空腔内;初始状态时,所述的软磁板(4)的左右两端通过第二永磁体(2)与上软磁板(3-1)的右端、下软磁板(3-2)的左端连接形成第一闭合磁路;当软磁板(4)相对永磁铁组件转动后,所述的软磁板(4)的左右两端通过第一永磁体(1)与上软磁板(3-1)的左端、下软磁板(3-2)的右端连接形成第二闭合磁路;所述的第一闭合磁路中经过软磁板(4)的磁力线方向与第二闭合磁路中经过软磁板(4)的磁力线方向相反。
  2. 根据权利要求1所述的一种C型双磁铁微型自发电装置,其特征在于:所述的上软磁板(3-1)和下软磁板(3-2)的中间位置处均开设有缺槽(3-4)。
  3. 根据权利要求1所述的一种C型双磁铁微型自发电装置,其特征在于:所述的上软磁板(3-1)的右端和下软磁板(3-2)的右端均固设有垫块(6);所述的第一永磁体(1)与第二永磁体(2)之间的间隙等于两块垫块(6)之间的间隙;上述的垫块(6)采用软磁材料或永磁体材料制成。
  4. 根据权利要求1所述的一种C型双磁铁微型自发电装置,其特征在于:所述的上软磁板(3-1)的右端一体形成有上竖板(3-5),下软磁板(3-2)的右端一体形成有下竖板(3-6);所述的上竖板(3-5)与下竖板(3-6)之间的间隙等于第一永磁体(1)与第二永磁体(2)之间的间隙。
  5. 一种C型双磁铁微型自发电装置,包括线圈组件和永磁体组件,其特征在于:所述的永磁体组件包括第一永磁体(1)、第二永磁体(2)和相向设置的两个C形软磁架(3),所述的两个C形软磁架(3)连接在一起围构成矩形空腔;所述的第一永磁体(1)、第二永 磁体(2)均设置在矩形空腔内,第一永磁体(1)固定在矩形空腔上表面的左端处,第二永磁体(2)固定在矩形空腔下表面的左端处;或者所述的永磁体组件包括第一永磁体(1)、第二永磁体(2)、相向设置的两个C形软磁架(3)、上导磁板(10)和下导磁板(11),所述的两个C形软磁架(3)连接在一起围构成矩形空腔;所述的第一永磁体(1)、第二永磁体(2)均设置在矩形空腔内,所述的第一永磁体(1)固定在矩形空腔上表面左端与上导磁板(10)之间,第二永磁体(2)固定在矩形空腔下表面左端与下导磁板(11)之间;
    所述的线圈组件包括软磁板(4)和线圈(5),所述的线圈(5)绕设在软磁板(4)的中部上;所述的软磁板(4)可相对永磁体组件转动地设置在矩形空腔内;初始状态时,所述的软磁板(4)的左右两端通过第二永磁体(2)与矩形空腔下表面的左端、矩形空腔上表面的右端连接形成第三闭合磁路;当软磁板(4)相对永磁体组件转动后,所述的软磁板(4)的左右两端通过第一永磁体(1)与矩形空腔上表面的左端、矩形空腔下表面的右端连接形成第四闭合磁路;所述的第三闭合磁路中经过软磁板(4)的磁力线方向与第四闭合磁路中经过软磁板(4)的磁力线方向相反。
  6. 根据权利要求5所述的一种C型双磁铁微型自发电装置,其特征在于:所述的两个C形软磁架(3)左右相向设置,所述的C形软磁架(3)的上软磁板和下软磁板的中间位置处均开设有缺槽(3-4)。
  7. 根据权利要求5所述的一种C型双磁铁微型自发电装置,其特征在于:所述的两个C形软磁架(3)上下相对设置。
  8. 根据权利要求5所述的一种C型双磁铁微型自发电装置,其特征在于:所述的矩形空腔上表面的右端处和矩形空腔下表面的右端处均固设有垫块(6);所述的第一永磁体(1)和第二永磁体(2)之间的间隙等于两块垫块(6)之间的间隙;上述的垫块(6)采用软磁材料或永磁体材料制成。
  9. 根据权利要求5所述的一种C型双磁铁微型自发电装置,其特征在于:所述的矩形空腔上表面的右端处一体形成有上竖板(3-5),矩形空腔下表面的右端处一体形成有下竖板(3-6);所述的第一永磁体(1)和第二永磁体(2)之间的间隙等于上竖板(3-5)和下竖板(3-6)之间的间隙。
  10. 一种无线开关,其特征在于:包括射频控制板、用以控制用电设备的开关以及权利要求1-9中任一项所述自发电装置,所述的自发电装置的线圈与射频控制板电性连接。
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