CN208078856U - A kind of self-generating device and the wireless switching with the power generator - Google Patents

Abstract

Self-generating device provided by the utility model and wireless switching with the power generator, can be pressed wraping plate by pressure, drive magnet component moves up and down, so that the magnetizer in magnet assemblies is alternately contacted with elastic iron plate in coil block respectively, to change the magnetic pole of elastic iron plate, and then change the direction of magnetic induction line in coil, according to electromagnetic induction principle, coil block generates electric current, the electric current can be that radio frequency control plate is powered, therefore, the switch control of passive and wireless formula may be implemented, and since elastic iron plate is vacantly arranged, generating efficiency can be increased, improve supplied amount of current, switch control is set more to stablize；Meanwhile the utility model has the advantages of simple structure, parts are less, and production cost is low；The parts that the utility model uses are standardized component, have stronger versatility, only need replacing parts after failure, greatly reduce use cost.

Description

A kind of self-generating device and the wireless switching with the power generator

Technical field

The utility model is related to a kind of power generator more particularly to a kind of self-generating device and with the nothing of the power generator Wiretap.

Background technology

Switch is for control circuit open circuit, makes current interruptions or it is made to flow to the electronic component of other circuits.It is most common Switch be allow people operate electromechanical equipment, wherein there are one or several electronic contacts.However, traditional switch, is all desirable Power cord is laid in metope, will be accessed switch in circuit by power cord, this mode is installing extremely inconvenient, broken ring Metope structure, and there are security risks.

It is applied in various household electrical appliance with the development of science and technology wireless controller is very universal, accordingly There have been using wireless switching to control household electrical appliance, wireless switching can be divided into battery type (active) wireless switching and spontaneous Electric-type (passive) wireless switching, the use of these wireless switchings greatly facilitates daily life, however, existing Wireless switching there is a problem of a lot when in use：1, battery type wireless switching needs to install rechargeable battery, since switch is in Wireless connection conditions are needed often to take out battery and be charged, since user often forgets about charging, cause when using electric appliance Erroneous judgement is to have a power failure, inconvenient to use；2, existing self-power generation type wireless switching is complicated, production cost and use cost It is high；3, existing self-power generation type switch power generator generating efficiency is low, and electric current is weak, and power supply volume is insufficient, leads to the control of household electrical appliance It makes unstable.

Utility model content

The purpose of this utility model is that solve the above-mentioned problems and provides a kind of from formula power generator and with this The wireless switching of power generator.

To achieve the above object, the utility model provides following technical scheme：

A kind of power generator provided by the utility model, including：

Back box, the back box are equipped with receiving portion；

Magnet assemblies, including magnet, upper conduction magnetic board and lower magnetic conductive board, the magnet are installed on the upper conduction magnetic board and are led under Between magnetic sheet；

Inductive coil assembly is set in back box receiving portion, including M sections piece and electromagnetic coil, wherein the M sections Piece iron core passes through and protrudes the electromagnetic coil；

Press wraping plate, and the pressure wraping plate is mobilizable to be connected to the back box, and the magnet assemblies setting is applied described It presses on the downside of wraping plate, the iron core is between the upper conduction magnetic board and the lower magnetic conductive board, when alternating presses pressure wraping plate both ends When, the iron core can alternately be contacted with the upper conduction magnetic board and the lower magnetic conductive board.

Preferably, mounting hole is respectively set in two outer foot bottoms of the M sections piece, by screw by the M sections Piece is mounted on the bottom box, and described M sections sheet head one end is hanging.

Preferably, the magnet assemblies further include magnet assembly housing, the magnet assembly housing include magnet accommodating chamber with And two magnetic conductive board jacks, the magnet are installed in the magnet accommodating chamber, the upper conduction magnetic board and lower magnetic conductive board are inserted respectively Enter in two magnetic conductive board jacks.

Preferably, guiding surface and groove is respectively set in magnet assembly housing both sides；It is set below the pressure wraping plate Interconnecting piece is set, the interconnecting piece includes clamping part and pressure unit, and the clamping part can be stuck in by guiding surface in groove, described Pressure unit contacts magnet assembly housing.

Preferably, the electromagnetic coil be self-adhesion coil, have hollow cavity, by M sections piece iron cores be inserted into it is described in It is fitted together after cavity body；Can also be that conducting wire is directly wound in M sections piece iron cores to be made.

Preferably, the centre of the pressure wraping plate bottom surface is equipped with hinged portion, the hinged portion is equipped with hinge hole, described Two articulated shafts being located on same axis are equipped in back box, the opposite end of two articulated shafts is respectively provided with a kerf, and two is opposite The notch between formed V-type socket；It is described pressure wraping plate hinged portion by the V-type socket be inserted into two articulated shafts it Between, so that two articulated shafts are caught in the hinge hole in the hinged portion.

Preferably, magnet assemblies receiving portion is arranged in the back box, the mobilizable setting of magnet assemblies is stuck up in pressure Between plate and back box.

Preferably, two or more identical pressure wraping plates are arranged side by side in the back box, each pressure is stuck up Plate is correspondingly arranged the identical magnet assemblies and the inductive coil assembly.

Preferably, either double faced adhesive tape will by metal hanger or double faced adhesive tape for the back box back side setting metal hanger The back box is fixed on installation site.

On the other hand, the wireless switching of the utility model, including：Radio frequency control plate, for control the opening of electrical equipment/ It closes；

And above-mentioned power generator, the electromagnetic coil of the power generator are electrically connected with the radio frequency control plate.

The beneficial effects of the utility model are：Self-generating device provided by the utility model and with the power generator Wireless switching, can be pressed wraping plate by pressure, and drive magnet component moves up and down so that the magnetizer difference in magnet assemblies It is alternately contacted with elastic iron plate in coil block, to change the magnetic pole of elastic iron plate, and then changes the side of magnetic induction line in coil To, according to electromagnetic induction principle, coil block generates electric current, which can be the power supply of radio frequency control plate, it is thereby achieved that The switch control of passive and wireless formula, and since elastic iron plate is vacantly arranged, generating efficiency can be increased, supplied amount of current is improved, is made Switch control is more stablized；Meanwhile the utility model has the advantages of simple structure, parts are less, and equipment failure rate is low, use standardization Component only needs to change parts after failure, without switch is needed to change, use cost is low.

Description of the drawings

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, other drawings may also be obtained based on these drawings.

Fig. 1 is that the utility model pressure cover board detaches exploded perspective view with back box；

Fig. 2 is the exploded perspective view of the utility model；

Fig. 3 is the magnet assemblies schematic diagram of the utility model；

Fig. 4 is the exploded perspective view of the magnet assemblies in Fig. 3；

Fig. 5 is the inductive coil assembly schematic diagram of the utility model；

Fig. 6 (a) is the vertical view of the self-generating device of the utility model, and Fig. 6 (b) is the sectional view at Fig. 6 (a) A-A, Fig. 6 (c) is the side view of the self-generating device of the utility model, and Fig. 6 (d) is the back side of the self-generating device of the utility model Structural schematic diagram, Fig. 6 (e) are the plan views of the utility model, and Fig. 6 (f) is the partial enlarged view at the A of Fig. 6 (b)；

Fig. 7 (a) is the utility model single switch axonometric drawing, and Fig. 7 (b) is two switch axonometric drawings of the utility model, Fig. 7 (c) it is three switch axonometric drawings of the utility model；

Fig. 8 is the schematic rear view of the utility model patch double faced adhesive tape；

Fig. 9 is the schematic rear view of the utility model setting metal hanger.

The reference numerals are as follows：

1, back box；103, articulated shaft；1031, notch；1032, V-type socket；2, press wraping plate；201, interconnecting piece；202, Clamping part；203, hinged portion；2031, hinge hole；203, hinged portion；204, pressure unit；3, magnet assemblies；301, upper conduction magnetic board； 302, lower magnetic conductive board；303, magnet；305, guiding surface；306, groove；307, shell；308, magnet accommodating chamber；309, magnetic conduction Plate jack；4, inductive coil assembly；401, electromagnetic coil；402, M sections piece；403, iron core；404, outer foot；405, mounting hole； 406, screw；5, radio frequency control plate；6, metal hanger；7, double faced adhesive tape.

Specific implementation mode

It, below will be to the technology of the utility model to keep the purpose of this utility model, technical solution and advantage clearer Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work Obtained all other embodiment is put, the range that the utility model is protected is belonged to.

In the description of the present invention, it should be understood that term "center", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, merely to just In description the utility model and simplify description, specific side must be had by not indicating or implying the indicated device or element Position, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.

In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more this feature.The meaning of " plurality " is two or two in the description of the present invention, More than, unless otherwise specifically defined.

In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can Can also be electrical connection to be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood as the case may be Concrete meaning in the present invention.

Shown in Fig. 1-Fig. 9, a kind of self-generating device provided by the utility model, including back box 1, magnet assemblies 3, sense Answer coil block 4 and pressure wraping plate 2.

Specifically, as shown in Figure 1, back box 1 can be configured to rectangular, it can also be other shapes, be equipped in back box 1 Can accommodate the receiving portion of self-generating device all parts, receiving portion can according in switch component shape and volume utilize every Plate is sized to different cavity portions；Pressure wraping plate 2 is linked together by articulated section and back box 1, and the two of pressing pressure wraping plate 2 Side can make pressure wraping plate 2 be rotated upwardly and downwardly around articulated shaft 103, and the specific connection structure of pressure wraping plate 2 and back box 1 is below In be specifically described.

As Figure 3-Figure 4, magnet assemblies 3 include upper conduction magnetic board 301, lower magnetic conductive board 302, magnet 303, the magnet 303 are installed between the upper conduction magnetic board 301 and lower magnetic conductive board 302, and the South Pole of magnetic 303 connects in upside with upper conduction magnetic board 301 Touch, the arctic of magnet 303 is contacted in downside with lower magnetic conductive board 301, it is, of course, understood that can also magnet 303 north Pole is contacted in upside with upper conduction magnetic board 301, and the South Pole of magnet 303 is contacted in downside with lower magnetic conductive board 302；

Specifically, magnet assemblies 3 further include magnet assemblies shell 307, shell 307 has magnet accommodating chamber 308, shell 307 side is opened up there are two magnetic conductive board jack 309, and bottom offers opening 308, in use, being first inserted into upper conduction magnetic board Then magnet 303 is put to enter in magnet accommodating chamber 308 by opening 308, finally inserts lower magnetic conductive board 302 by magnetic conductive board jack 309 Enter lower jack 309, it is easy for installation, it is simple and fast；It is understood that upper conduction magnetic board 301 and lower magnetic conductive board 302 are inserted into After magnetic conductive board jack 309, need to reserve a part of magnetic conductive board outside shell 307, so that upper conduction magnetic board 301 and lower magnetic conduction Magnetic gap is formed between the protrusion of the exposing shell 307 of plate 302.

As shown in figure 5, inductive coil assembly 4 is set in the receiving portion of back box 1, including electromagnetic coil 401 and M sections pieces 402, M sections pieces 402 include that 403, two outer feet 404 of iron core and head 405, wherein iron core 403 pass through and protrude electromagnetic wire Circle 401, it is preferable that electromagnetic coil 401 is self-adhesion coil, has hollow cavity, and it is hollow that iron core 403 is inserted into electromagnetic coil 401 M sections piece 402 and electromagnetic coil assembly 401 are fitted together after cavity；Certainly, electromagnetic coil 401 can also be by coil It is directly wound on iron core 403 and is made, while other means in this field can also be used to be made；

In addition, being respectively arranged with mounting hole 405 on two outer feet 404, inductive coil assembly 4 is fixed by screw 406 In the corresponding inductive coil assembly accommodating chamber of back box 1, the head 405 of M sections piece 402 is in vacant state so that M types There is iron plate 402 shrapnel effect, use can specifically introduce below.

As Figure 1 and Figure 4, interconnecting piece 201 is arranged in 2 lower section of pressure wraping plate, and interconnecting piece includes clamping part 202 and pressure unit 204, clamping part 202 is located at the both sides of interconnecting piece 201；Guiding surface 305 is respectively set in 307 top both sides of magnet assemblies shell, 307 lower part of magnet assemblies shell is respectively arranged with groove 306, and guiding surface 305 is corresponding with groove 306,305 He of guiding surface The size of groove 306, which is subject to, can accommodate clamping part 203, when magnet assemblies 3 are assembled together with pressure wraping plate 2, only need By clamping part alignment guide inclined-plane 305, then apply certain pressure, clamping part 202 will produce deformation, along guiding surface 305 can be caught in groove 306, to realize that magnet assemblies 3 and the assembly for the wraping plate 2 that presses are fixed；It is understood that magnetic Iron component 3 and the assembly of pressure wraping plate 2 can also use other structure types, as long as can secure the two together i.e. It can.

As shown in Fig. 6 (f), when installing magnet assemblies 3 and inductive coil assembly 4, the iron core 403 of M sections pieces should ensure that Upper conduction magnetic board 301 is stretched into positioned at the protrusion of electromagnetic coil 401 and lower magnetic conductive board 302 exposes outside magnet assemblies shell 307 In magnetic gap between part, when alternately pressing pressure 2 both ends of wraping plate, since pressure wraping plate 2 can drive about 3 magnet assemblies When movement, iron core 403 should be able to alternately be contacted with upper conduction magnetic board 301 and lower magnetic conductive board 302, to magnetize iron core 403.

At work, upper conduction magnetic board 301 and lower magnetic conductive board 302 can be magnetized by magnet 303 respectively, to carry opposite magnetic Pole, such as：Upper conduction magnetic board 301 is geomagnetic into the poles N, and lower magnetic conductive board 302 is geomagnetic into the poles S, since magnet assemblies 3 are articulated with pressure The lower part of wraping plate 2, when pressing the magnet assemblies 3 of pressure wraping plate 2, pressure unit 204 acts on 307 top of magnet assemblies shell, Magnet assemblies are driven to move downward, at this point, iron core 403 moves to magnet upper conduction magnetic board 301, electromagnetism by magnetic conductive board under magnet 302 Magnetic direction in coil 401 becomes the poles N-S by the poles S-N, mutates, and to produce induced current, pressing is pressed The mechanical energy of wraping plate 2 is converted into electric energy；Similarly, when pressing the other end of pressure wraping plate 2, since clamping part 202 is buckled in groove In 306, clamping part 202 can drive magnet assemblies 2 to move upwards, and the magnetic direction in electromagnetic coil 401 becomes S- by the poles N-S The poles N mutate, and to produce induced current, convert the mechanical energy of pressing pressure wraping plate 2 to electric energy, which sets Electric energy that is standby that accumulator (not shown) can be also set, being generated for storage switch pressing.

It is worth noting that two outer feet due to M sections piece 402 are fixed on by screw 406 in back box 2, head 405 Hanging setting, 402 iron core 403 of M sections piece hanging at this time can play the role of shrapnel, when pressing pressure 2 magnet assemblies 3 of wraping plate When side, magnet assemblies 3 move down, and lower magnetic conductive board 302 will produce a magnetic attraction with iron core 403, for pulling iron core 403 It moves down, in order to bent iron core 403, is allowed to move down, to put aside screen resilience.When magnet assemblies 3 continue to moving down When dynamic, the screen resilience of iron core 403, which is converted into, acts on the reaction force of itself.When the reaction force of iron core 403 is more than magnetic attraction When, iron core 403 can be rapidly bent upwards to original shape, and fast speed belt dynamic iron core 403 moves up, in order to rapidly change The magnetic line of force of type transformer coil iron core 403, in other words, electromagnetic coil 401 will will produce a large amount of induced current, improve generated energy； Similarly, when the other side of pressing pressure wraping plate 2, magnet assemblies 3 move up, and upper conduction magnetic board 301 will produce with iron core 403 One magnetic attraction, in order to bent iron core 403, is allowed to move up for pulling iron core 403 to move up, to put aside back Elastic force.When magnet assemblies 3 continue to move up, the screen resilience of iron core 403, which is converted into, acts on the reaction force of itself.Work as iron When the reaction force of core 403 is more than magnetic attraction, iron core 403 can rapidly curve downward and to original shape, and fast speed belt dynamic iron core 403 move down, and in order to rapidly change the magnetic line of force of iron-core coil 403, in other words, electromagnetic coil 401 will will produce A large amount of induced current improves generated energy.

In a preferred embodiment of the utility model, as shown in Figure 1, for the ease of pressure wraping plate 2 and back box 1 it Between assembling, in one embodiment of the utility model, the centre of pressure wraping plate 2 bottom surface is equipped with hinged portion 203, hinged portion 203 are equipped with hinge hole 2031, are equipped with two articulated shafts 103 being located on same axis in back box 1, two articulated shafts 103 it is opposite End is respectively provided with a kerf 1031, and V-type socket 1032 is formed between two opposite notch 1031；Press the hinged of wraping plate 2 Portion 203 by the V-type socket 1032 be inserted into two articulated shafts 103 between so that two articulated shafts 103 are caught in the hinge In the hinge hole 2031 of branch 203.

That is, in assembling pressure wraping plate 2 and back box 1, as long as by the hinged portion 203 on wraping plate 2 and the back box 1 of pressing On the alignment of above-mentioned V-type socket 1032, then apply certain pressure, you can the hinged portion 203 for the wraping plate 2 that presses is inserted into two articulated shafts Between 103, corresponding two articulated shaft 103 is also caught in hinge hole 2031 automatically, in this way, assembling can be realized easily.

Optionally, magnet 303 can be square magnet, and setting clamps between upper conduction magnetic board 301 and lower magnetic conductive board 302. Certainly, which can select the magnet of other structures form as needed.

Optionally, upper conduction magnetic board 301 and lower magnetic conductive board 302 can be applicable in silicon steel sheet, common iron plate or other can pass The component of magnetic conductivity.

In another preferred embodiment of the utility model, as shown in fig. 7, in order to realize the concentration of multiple electric switches Control, can be arranged side by side two or more identical above-mentioned self-generating devices, each self-generating device is set in the same back box 2 Set relatively independent pressure wraping plate 2, the set-up mode and phase described previously of internal magnet assemblies 3 and inductive coil assembly 4 Together, it can be disconnected with partition board between each finger pressure wraping plate 2, partition board can not also be wanted, be commonly mounted in a back box 2.

In another preferred embodiment of the utility model, as shown in Figure 8, Figure 9,2 back side of back box be arranged double faced adhesive tape 7 or The back box 2 is fixed on installation site by person's metal hanger 6 by double faced adhesive tape 7 or metal hanger 6, it should be noted that Double faced adhesive tape 7 and metal hanger 6 at this are using setting form common in this field, herein without illustrating.

It should be noted that the back box 1 in the utility model and pressure wraping plate 2, can be the structures of common rocker switch, So, it is only necessary to which the corresponding magnet assemblies 3 of setting and inductive coil assembly 4 etc. in back box 1 are formed new with this practicality The wireless switching of type power generator.

In conclusion self-generating device provided by the utility model and the wireless switching with the power generator, can pass through When pressing pressure 2 both ends of wraping plate, pressure wraping plate 2 is rotated around articulated shaft 103, to drive magnet assemblies 3 to move up and down, works as iron core 403 by lower magnetic conductive board 302 move to upper conduction magnetic board 301 or from during upper conduction magnetic board 301 moves to lower magnetic conductive board 302, Magnetic direction in electromagnetic coil 401 is mutated, and to generate induced current, which can be that radio frequency control plate supplies Electricity is not necessarily to built-in power relative to traditional switch in this way, the switch control of passive and wireless formula may be implemented without wiring, and It is more convenient to use, it disclosure satisfy that requirement of the people to smart home.In addition, such self-generating device due to pressure wraping plate 2 around The angle rotated centered on articulated shaft 103 is very small (2.5 ° or so), you can and it drives magnet assemblies 3 to move up and down and generates electric current, Therefore, that the thickness of entire back box 1 can be made to accomplish is thinner, and thinner 5-10mm than similar product, structure is simpler, and cost is more It is low, it is more beautiful.

The utility model additionally provides a kind of wireless switching, including radio frequency control plate 5 and as described in above-described embodiment from Power generator.It is wirelessly opened it is, installing corresponding radio frequency control plate 5 in the power generator of above-described embodiment and can be formed It closes.Wherein, radio frequency control plate 5 is used to control the ON/OFF of electrical equipment (such as lamps and lanterns, doorbell etc.)；Electricity in self-generating device Magnetic coil 401 is electrically connected with radio frequency control plate 5, for providing required operating voltage for radio frequency control plate.

As a result of the self-generating device of the utility model above-described embodiment, the present embodiment provides wireless switchings, can lead to 2 both ends of pressing pressure wraping plate are crossed, pressure wraping plate 2 is rotated around articulated shaft 103, drives magnet assemblies 3 to move up and down, when iron core 403 Upper conduction magnetic board 301 is moved to by lower magnetic conductive board 302 or from during upper conduction magnetic board 301 moves to lower magnetic conductive board 302, electromagnetism Magnetic direction in coil 401 is mutated, and to generate induced current, which can be that radio frequency control plate 5 is powered, such as This, may be implemented the switch control of passive and wireless formula, and built-in power is not necessarily to, and using more without wiring relative to traditional switch Add conveniently, disclosure satisfy that requirement of the people to smart home.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term It states and may not refer to the same embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be It can be combined in any suitable manner in any one or more embodiments or example.

Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is Illustratively, it should not be understood as limiting the present invention, those skilled in the art are not departing from the utility model Principle and objective in the case of above-described embodiment can be changed in the scope of the utility model, change, replace and Modification.

Claims (10)

1. a kind of self-generating device, which is characterized in that including：

Back box, the back box are equipped with receiving portion；

Magnet assemblies, including magnet, upper conduction magnetic board and lower magnetic conductive board, the magnet are installed on the upper conduction magnetic board and lower magnetic conductive board Between；

Inductive coil assembly is set in back box receiving portion, including M sections piece and electromagnetic coil, wherein the M sections piece iron Core passes through and protrudes the electromagnetic coil；

Press wraping plate, and the pressure wraping plate is mobilizable to be connected to the back box, and the magnet assemblies setting is stuck up in the pressure On the downside of plate, the iron core is between the upper conduction magnetic board and the lower magnetic conductive board, when alternately pressing pressure wraping plate both ends, institute Stating iron core can alternately contact with the upper conduction magnetic board and the lower magnetic conductive board.

2. a kind of self-generating device according to claim 1, it is characterised in that：Two outer foot bottoms of the M sections piece Mounting hole is respectively set, by screw that the M sections piece is mounted on the bottom box, described M sections sheet head one end is hanging.

3. a kind of self-generating device according to claim 1, it is characterised in that：The magnet assemblies further include outside group of magnets Shell, the magnet assembly housing include magnet accommodating chamber and two magnetic conductive board jacks, and the magnet is installed on the magnet and accommodates Intracavitary, the upper conduction magnetic board and lower magnetic conductive board are inserted into respectively in two magnetic conductive board jacks.

4. a kind of self-generating device according to claim 3, it is characterised in that：Magnet assembly housing both sides are respectively set Guiding surface and groove；Interconnecting piece is set below the pressure wraping plate, and the interconnecting piece includes clamping part and pressure unit, the card Buckle can be stuck in by guiding surface in groove, and the pressure unit contacts magnet assembly housing.

5. a kind of self-generating device according to claim 1, it is characterised in that：The electromagnetic coil is self-adhesion coil, tool There is hollow cavity, is fitted together after M sections piece iron cores are inserted into the hollow cavity；Can also be to be directly wound in conducting wire M sections piece iron cores are made.

6. according to a kind of self-generating device described in claim 1-5 any one, it is characterised in that：The pressure wraping plate bottom surface Centre be equipped with hinged portion, the hinged portion is equipped with hinge hole, and two are equipped in the back box and is located at being hinged on same axis The opposite end of axis, two articulated shafts is respectively provided with a kerf, and V-type socket is formed between two opposite notch；It is described to apply Press wraping plate hinged portion by the V-type socket be inserted into two articulated shafts between so that two articulated shafts be caught in it is described hinged In the hinge hole in portion.

7. a kind of self-generating device according to claim 1, it is characterised in that：The back box setting magnet assemblies accommodate Portion, the mobilizable setting of magnet assemblies is between pressure wraping plate and back box.

8. a kind of self-generating device according to claim 1, it is characterised in that：The back box is arranged side by side two or more The identical pressure wraping plate, each pressure wraping plate are correspondingly arranged the identical magnet assemblies and the induction coil group Part.

9. a kind of self-generating device according to claim 1, it is characterised in that：Back box back side setting metal hanger or The back box is fixed on installation site by person's double faced adhesive tape by metal hanger or double faced adhesive tape.

10. a kind of wireless switching, which is characterized in that including：Radio frequency control plate, the ON/OFF for controlling electrical equipment；

And the self-generating device as described in any one of claim 1-9, the electromagnetic coil of the self-generating device are penetrated with described Frequency control panel is electrically connected.