CN208190493U - A kind of power generator and wireless switching - Google Patents

Abstract

The utility model discloses a kind of power generator and wireless switching, which includes fixed mechanism and the movable device that is rotatably arranged on fixed mechanism.Fixed mechanism includes winding iron core, the coil being set on winding iron core and the U-shaped iron core being fixedly connected with winding iron core.The two sides of U-shaped iron core are respectively equipped with the first adjutage and the second adjutage.Movable device includes permanent magnet and the first iron plate and the second iron plate that contact respectively with two magnetic pole of permanent magnet, and the first iron plate includes the first contact chip and the first joining piece, and the second iron plate includes the second contact chip and the second joining piece.Winding iron core can alternately be contacted with the first contact chip and the second contact chip with the rotation of movable device.When winding iron core and the first contact chip contact, the first joining piece is abutted with the first adjutage, to limit the rotation of movable device；When winding iron core and the second contact chip contact, the second joining piece is abutted with the second adjutage, to limit the rotation of movable device.

Description

A kind of power generator and wireless switching

Technical field

The utility model relates to spontaneous electrical domains, and in particular to a kind of power generator and wireless switching.

Background technique

Currently, the rapid development of wireless communication, Low-power Technology, has bred wide Internet of Things and wireless sensor network city , wireless switching also comes into being.Because cable switch installs complex circuit, inconvenience, and higher cost, there is maintenance and change in route The problems such as making inconvenience, therefore wireless switching becomes more and more popular over the years.However, the electric energy of current many wireless switchings be by Nickel-cadmium cell provides, and nickel-cadmium cell can cause environmental pollution, also, chemical cell sets for electronics because there are heavy metals Standby, wireless sensor network power supply, stand-by time is limited, needs frequent charge, maintenance or replacement.

Utility model content

The utility model is intended to solve above-mentioned technical problem to a certain extent.For this purpose, a purpose of the utility model exists In provide it is a kind of manpower can be pressed or the energy of other forms pressing be converted into the power generator of electric energy, the utility model it is another One is designed to provide a kind of wireless switching.

In order to achieve the above object, the utility model discloses a kind of power generator comprising:

Fixed mechanism, the fixed mechanism include winding iron core, coil and U-shaped iron core,

The winding iron core is provided along its length fixing end, winding section and contact jaw, and the coil is set in described The winding section of winding iron core,

The U-shaped iron core includes intermediate beam and the first adjutage and the second adjutage set on the intermediate beam two sides, The fixing end of the winding iron core is fixedly connected with the intermediate beam of the U-shaped iron core；

Movable device, the movable device are rotatably arranged on the fixed mechanism, and the movable device includes forever Magnet and the first iron plate and the second iron plate contacted respectively with two magnetic pole of permanent magnet,

First iron plate includes the first contact chip and the first joining piece, and second iron plate includes the second contact chip and the Two joining pieces；

The contact jaw of the winding iron core can with the rotation of the movable device and alternately with first contact chip and The contact of second contact chip；

When the contact jaw of the winding iron core and first contact chip contact, first joining piece and described first Adjutage abuts, to limit the rotation of the movable device；

When the contact jaw of the winding iron core and second contact chip contact, second joining piece and described second Adjutage abuts, to limit the rotation of the movable device.

The power generator of the utility model has the advantages that

1, by the contact jaw of winding iron core alternately with the contact of the first contact chip, the second contact chip, and then change wear The magnetic direction of the coil is crossed, so that coil be made to generate induced current.Therefore, the power generator can by manpower press or other The energy of form pressing is converted into electric energy, can be for the electronic product of the low-power consumption such as wireless switching, wireless internet of things node It uses, can solve the energy problem of wireless switching, solve conventional wireless switch using dirty to environment bring when common batteries Dye, service life is short, the problem of frequently need to replacing and safeguard.

2, the first joining piece and the second joining piece can be abutted with the first adjutage and the second adjutage respectively, not only can reach Magnetic conduction effect may also function as the effect of limitation movable device rotation.In other words, the contact jaw of winding iron core, the first adjutage and Second adjutage can be collectively as stressed member, to solve to cause due to the contact jaw of winding iron core separately as stressed member The problem of winding iron core damages.

Preferably, first iron plate further includes being turned under tabs, the upper end for being turned under tabs with it is described The connection of first contact chip, the lower end for being turned under tabs are connect with first joining piece, and the shape of first iron plate is in " Z " type.In this preferred embodiment, by the way that the structurally reasonable optimization of the first iron plate, the first contact chip and the first joining piece are placed in not On same space plane, two stress surfaces are separated, to slow down the damage of the first iron plate.

Preferably, first contact chip, be turned under tabs and the first joining piece and be integrally formed.First iron The component that piece is integrally formed facilitates processing.

Preferably, the lower surface of first adjutage is equipped with and first joining piece cooperates first is connected Step.The setting of first linking step guarantees the accurate fit of the first adjutage and the first joining piece.

Preferably, second iron plate further includes being bent up tabs, the lower end for being bent up tabs with it is described The connection of second contact chip, the upper end for being bent up tabs are connect with second joining piece, and the shape of second iron plate is in " Z " type.In this preferred embodiment, by the way that the structurally reasonable optimization of the second iron plate, the second contact chip and the second joining piece are placed in not On same space plane, two stress surfaces are separated, to slow down the damage of the second iron plate.

Preferably, the upper surface of second adjutage is equipped with and second joining piece cooperates second is connected Step.The setting of first linking step guarantees the accurate fit of the second adjutage and the second joining piece.

Preferably, second contact chip, be bent up tabs and the second joining piece and be integrally formed.Second iron The component that piece is integrally formed facilitates processing.

Preferably, the fixed mechanism further includes insulating washer, and the insulating washer is set in the winding iron On core, the insulating washer is arranged between the coil and the intermediate beam of the U-shaped iron core.

Preferably, the movable device further include insulation rotating bracket, it is described insulation rotating bracket one end with The U-shaped iron core rotation connection, the other end of the insulation rotating bracket are equipped with convex block.

Preferably, first contact chip and the second contact chip rivet respectively is fixed on the insulation rotating bracket Opposite two end faces on, the insulation rotating bracket includes:

Magnet mounting groove, the permanent magnet is located to be formed by the magnet mounting groove, the first contact chip and the second contact chip Enclosure space in；

Cavity, the cavity and the magnet mounting groove interval are arranged, contact of the cavity towards the winding iron core End opening setting, the contact jaw of the winding iron core are located at half formed by the cavity, the first contact chip and the second contact chip In enclosure space.Cavity and the setting of magnet mounting groove interval, can avoid winding iron core contact jaw and permanent magnet directly contact.

Preferably, the insulation rotating bracket includes being divided into the first rotation of the insulation rotating bracket two sides Arm and the second cursor；

First cursor is equipped with first rotating shaft, and first adjutage is equipped with first cooperated with the first rotating shaft Axis hole；

Second cursor is equipped with the second shaft, and second adjutage is equipped with second cooperated with second shaft Axis hole.

Preferably, the power generator includes pressing mechanism and shell, and the pressing mechanism includes:

It is described to be connect by wedge with the convex block of the insulation rotating bracket by wedge；

Reset spring, the reset spring setting are described by between wedge and housing bottom.The setting of reset spring can be protected Card can return to original position when external force removes, by wedge and insulation rotating bracket.

Preferably, the bottom by wedge is equipped with reset spring mounting groove, and the housing bottom, which is equipped with, to be resetted Spring retainer column, one end of the reset spring are socketed on the reset spring limited post, the other end of the reset spring In the reset spring mounting groove.

Preferably, described to be equipped with limited step by wedge, the shell is equipped with limit fastener, the limit fastener It is matched with limited step mobile to limit the direction by the reciprocal position spring stretching, extension of wedge.Limited step and limit fastener Setting can guarantee only to be moved in shell by wedge.

Preferably, the pressing mechanism includes function spring, and the top of the convex block is installed equipped with function spring Slot, described to be equipped with holding tank by wedge, the convex block is located in the holding tank, one end of the function spring and the receiving The top of slot abuts, and the other end of the function spring is set in the function spring mounting groove.The beneficial effect of this programme is: When by wedge by external force, function spring can be compressed, when pressure of the function spring to convex block is contacted greater than winding iron core When holding to the adsorption magnetic force of the second contact chip, insulation rotating bracket can quick rotation, the contact jaw of winding iron core can rapidly with The contact of first contact chip generates bigger induced electromotive force with this, i.e. the induced current of coil generation is bigger, improves power generation dress The generating efficiency set.

Preferably, the pressing mechanism includes function spring, and the top of the convex block is installed equipped with function spring Slot, described to be equipped with holding tank by wedge, the convex block is located in the holding tank, one end of the function spring and the receiving The top of slot abuts, and the other end of the function spring is set in the function spring mounting groove.

The invention also discloses a kind of wireless switchings comprising the power generator in one scheme of any of the above.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model power generator as described in the examples；

Fig. 2 is the structural schematic diagram of the utility model power generator as described in the examples；

Fig. 3 is the structural schematic diagram of the utility model fixed mechanism as described in the examples；

Fig. 4 is the structural schematic diagram of the utility model movable device as described in the examples；

Fig. 5 is the structural schematic diagram of the utility model insulation rotating bracket as described in the examples；

Fig. 6 is the structural schematic diagram of the utility model pressing mechanism as described in the examples；

Fig. 7 is the assembling schematic diagram of the utility model pressing mechanism as described in the examples and shell；

Fig. 8 is the structural schematic diagram of the utility model power generator as described in the examples；

Fig. 9 A is the structural schematic diagram of the utility model power generator as described in the examples, and power generator is at this time Relaxation state；

Fig. 9 B is the structural schematic diagram of the utility model power generator as described in the examples, and power generator is at this time Relaxation state；

Fig. 9 C is the structural schematic diagram of the utility model power generator as described in the examples, and power generator is at this time Relaxation state；

Figure 10 A is the structural schematic diagram of the utility model power generator as described in the examples, at this time at power generator In pressing state；

Figure 10 B is the structural schematic diagram of the utility model power generator as described in the examples, at this time at power generator In pressing state；

Figure 10 C is the structural schematic diagram of the utility model power generator as described in the examples, at this time at power generator In pressing state.

Appended drawing reference:

1, fixed mechanism；

11, winding iron core；111, fixing end；112, winding section；113, contact jaw；

12, coil；13, insulating washer；

14, U-shaped iron core；141, the first adjutage；1411, the first linking step；1412, first shaft hole；142, intermediate beam； 143, the second adjutage；1431, the second linking step；1432, the second axis hole；

2, movable device；

21, permanent magnet；

22, the first iron plate；221, the first contact chip；222, it is turned under tabs；223, the first joining piece；

23, the second iron plate；231, the second contact chip；232, it is bent up tabs；233, the second joining piece；

24, insulate rotating bracket；241, the first pivoted arm；2411, first rotating shaft；242, the second pivoted arm；2421, second turn Axis；243, cavity；244, magnet mounting groove；

245, convex block；2451, function spring mounting groove；2452, function spring retainer column；

3, pressing mechanism；

31, wedge is pressed；311, reset spring mounting groove；312, holding tank；313, limited step；

32, reset spring；33, function spring；

4, shell；41, reset spring limited post；42, limit fastener.

Specific embodiment

The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings.Below by The embodiment being described with reference to the drawings is exemplary, it is intended to for explaining the utility model, and should not be understood as practical new to this The limitation of type.

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 ", " axial direction ", " radial direction ", " circumferential direction " is orientation based on the figure Or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than the device of indication or suggestion meaning or Element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limit to the utility model System.

In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting 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 at least one this feature.The meaning of " plurality " is at least two, such as two in the description of the present invention, It is a, three etc., 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 integral；It can be Mechanical connection is also possible to be electrically connected or can communicate each other；It can be directly connected, the indirect phase of intermediary can also be passed through Even, the connection inside two elements or the interaction relationship of two elements be can be, unless otherwise restricted clearly.For this For the those of ordinary skill in field, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.

As shown in Figure 1, the present embodiment provides a kind of power generator, including shell 4, the fixed mechanism being fixed on shell 4 1, the movable device 2 being rotatably arranged on fixed mechanism 1, the pressing mechanism 3 being connect with movable device 2.

As shown in Fig. 1-3,8, fixed mechanism 1 includes winding iron core 11, coil 12, insulating washer 13 and U-shaped iron core 14.

Specifically, winding iron core 11 is successively arranged along its length: set on 11 rear portion of winding iron core and U-shaped iron core 14 The fixing end 111 being fixedly connected, is set to winding iron at the winding section 112 for being arranged coil 12 in the middle part of winding iron core 11 The contact jaw 113 contacted with movable device 2 at 11 rear portion of core.

U-shaped iron core 14 includes: the intermediate beam 142 being fixedly connected with the fixing end 111 of winding iron core 11, is set to intermediate beam First adjutage 141 made of the extending forward of 142 left sides second prolongs made of the extension forward on the right side of intermediate beam 142 Semi-girder 143.The rear portion of first adjutage 141 is equipped with the first shaft hole 1412 being flexibly connected with movable device 2, first shaft hole 1412 Prolong the thickness direction setting of the first adjutage 141.The rear portion of second adjutage 143 is equipped with the be flexibly connected with movable device 2 Two axis holes 1432, the second axis hole 1432 prolong the thickness direction setting of the second adjutage 143.The following table of first adjutage, 141 front Face is equipped with the first linking step 1411, and the upper surface of 143 front of the second adjutage is equipped with the second linking step 1431.

In order to make U-shaped iron core 14 intermediate beam 142 and coil 12 insulate, the front end face of coil 12 and intermediate beam 142 it Between be equipped with insulating washer 13, insulating washer 13 is set on winding iron core 11.

As shown in Fig. 1-8,9A-9C, 10A-10C, movable device 2 includes: the insulation rotation being flexibly connected with U-shaped iron core 14 Bracket 24, permanent magnet 21, the first iron plate 22 and the second iron plate 23 contacted respectively with 21 liang of magnetic poles of permanent magnet.

Specifically, prolong vertical plane rearwardly direction to see, the shape of the first iron plate 22 is Z-type.On direction from top to bottom, the One iron plate 22 includes successively the first contact chip 221, is turned under tabs 222 and the first joining piece 223.It is turned under the upper of tabs 222 End is connected with the left end of the first contact chip 221, and the lower end for being turned under tabs 222 is connect with the right end of the first joining piece 223.Change speech It, the left end of the first contact chip 221 bends downward extension, is turned under tabs 222 to be formed；Be turned under the lower end of tabs 222 to Left bending extends, to form the first joining piece 223.To be easy to process, the first iron plate 22 is integrally formed part.

Prolong vertical plane rearwardly direction to see, the shape of the second iron plate 23 is Z-type.On direction from the bottom up, the second iron plate 23 successively include the second contact chip 231, be bent up tabs 232 and the second joining piece 233.It is bent up the lower end and of tabs 232 The right end of two contact chips 231 connects, and the upper end for being bent up tabs 232 is connected with the left end of the second joining piece 233.In other words, The right end of two contact chips 231 is folded upward at extension, is bent up tabs 232 to be formed；The upper end for being bent up tabs 232 is bent to the right Extend, to form the second joining piece 233.To be easy to process, the second iron plate 23 is integrally formed part.

Insulation rotating bracket 24 includes: that the magnet to place permanent magnet 21 set on 24 middle part of insulation rotating bracket is installed Slot 244, what the convex block 245 set on insulation 24 front of rotating bracket, the contact jaw 113 close to winding iron core 11 were arranged pacifies with magnet The spaced cavity 243 of tankage 244, the first pivoted arm 241 to extend back respectively from insulation 24 rear portion left and right sides of rotating bracket With the second pivoted arm 242.

More specifically, the riveting of the first contact chip 221 is fixed on the upper surface of insulation rotating bracket 24, the second contact chip 231 Riveting is fixed on the lower end surface of insulation rotating bracket 24.Permanent magnet 21 is located at by the first contact chip 221,231 and of the second contact chip In the enclosure space that magnet mounting groove 244 is formed.Cavity 243 is open towards the contact jaw 113 of winding iron core 11 to be arranged, therefore, The contact jaw 113 of winding iron core 11 can extend into half envelope formed by the first contact chip 221, the second contact chip 231 and cavity 243 It closes in space.The contact jaw 113 of winding iron core 11 is alternately contacted with the first contact chip 221, the second contact chip 231.

The rear end of first pivoted arm 241 is equipped with the first rotating shaft 2411 that cooperates with first shaft hole 1412, after the second pivoted arm 242 End is equipped with the second shaft 2421 cooperated with the second axis hole 1432.By the cooperation of first shaft hole 1412 and first rotating shaft 2411 with And second axis hole 1432 and the second shaft 2421 cooperation, to realize that movable device 2 is movably connected on fixed mechanism 1.

The top of convex block 245 is equipped with function spring mounting groove 2451, and the bottom of function spring mounting groove 2451 is protruding upward Equipped with function spring retainer column 2452.

As shown in Fig. 6-8,9A-9C, 10A-10C, pressing mechanism 3 includes pressing 31, two reset springs 32 and one of wedge A function spring 33.By the upper surface of wedge 31 to bear external force (pressure that such as manpower pressing generates), after wedge 31 End face is equipped with the holding tank 312 cooperated with convex block 245, limited step 313 is equipped with by the left and right sides of wedge 31, by wedge 31 Bottom is set there are two reset spring mounting groove 311.Shell 4 is correspondingly provided in the position close to two reset spring mounting grooves 311 Two reset spring limited posts 41, one end of reset spring 32 are socketed on reset spring limited post 41, reset spring 32 it is another One end is inserted into reset spring mounting groove 311, and is abutted with the top of reset spring mounting groove 311.The compression of reset spring 32 Direction is in the same direction with external force direction, reset spring 32 can make by wedge 31 after external force removes back on original position, make around The contact jaw 113 of group iron core 11 is contacted with the second contact chip 231 again.Shell 4 close to limited step 313 position be equipped with The limit fastener 42 that limited step 313 cooperates, limited step 313 and limit fastener 42 cooperate to guarantee by wedge 31 always It can move in shell 4, be popped up outside shell 4 without the effect because of reset spring 32.

In one end insertions function spring mounting groove 2451 of function spring 33 and it is socketed on function spring retainer column 2452, The other end of function spring 33 is connected to the top of 312 inner surface of holding tank.Function spring 33 has the beneficial effect that when by wedge 31 by external force when, function spring 33 can be compressed, and be connect when function spring 33 is greater than winding iron core 11 to the pressure of convex block 245 When contravention 113 is to the adsorption magnetic force of the second contact chip 231, insulation rotating bracket 24 can quick rotation, the contact of winding iron core 11 End 113 can rapidly be contacted with the first contact chip 221, and bigger induced electromotive force, the i.e. induction of the generation of coil 12 are generated with this Electric current is bigger, improves the generating efficiency of power generator.

As shown in Fig. 9 A, 9B, 9C, power generator is in relaxation state at this time, by wedge 31 not by external force, due to multiple The effect of position spring 32, the contact jaw 113 of winding iron core 11 are kept in contact with the second contact chip 231.Second contact chip 231 is also same When contacted with the pole S of permanent magnet 21.First contact chip 221 is contacted with the pole N of permanent magnet 21.First joining piece 223 and the first rank Consecutive rank 1411 is kept in contact, and the second joining piece 233 is separated with the second linking step 1431.At this time in magnetic circuit the magnetic line of force direction Are as follows: 221 → the first joining piece 223 → the first of the pole N of permanent magnet 21 → first contact chip is connected 1411 → the first adjutage of step The pole S of 113 → the second 231 → permanent magnet of contact chip 21 of contact jaw of 141 → intermediate beam, 142 → winding iron core 11.Winding iron core The magnetic line of force in 11 is direction from back to front.

As shown in Figure 10 A, 10B, 10C, power generator is in pressing state at this time, by wedge 31 by external force and to Lower movement, the contact jaw 113 of winding iron core 11 is changed into be contacted with the first contact chip 221.First joining piece 223 is connected with first Step 1411 separates, and the second joining piece 233 is connected step 1431 with second and is kept in contact.At this time in magnetic circuit the magnetic line of force direction Are as follows: the pole N of permanent magnet 21 → first 221 → winding iron core of contact chip 11 113 → intermediate beam of contact jaw, 142 → the second adjutage The pole S of 143 → the second linking 1431 → the second joining piece of step, 233 → the second 231 → permanent magnets of contact chip 21.Winding iron core 11 In the magnetic line of force be direction from front to back, i.e., magnetic line of force when being in relaxation state with power generator is contrary.By line The direction of the magnetic line of force of circle 12 with power generator from relax to pressing state again to the state loosened when change, to generate The electric energy of induced current, generation uses for subsequent wireless switching or other power consuming devices.

First joining piece 223 and the second joining piece 233 can be connected respectively with the first of the first adjutage 141 step 1411 and Second linking step 1431 of the second adjutage 143 abuts, and not only can reach magnetic conduction effect, may also function as limitation movable device 2 The effect of rotation.In other words, during power generator changes back and forth between relaxation state and pressing state, winding iron core 11 Contact jaw 113, the first adjutage 141 and the second adjutage 143 position-limiting action, i.e. winding iron can be played to movable device 2 jointly The contact jaw 113 of core 11, the first adjutage 141 and the second adjutage 143 can be collectively as stressed members, to solve due to winding The problem of contact jaw 113 of iron core 11 causes winding iron core 11 to damage separately as stressed member.

When power generator is changed into pressing state by relaxation state, need to overcome 11 contact jaw 113 of winding iron core to The adsorption magnetic force of two contact chips 231, i.e., the external force being subject to by wedge 31 at least needs to be greater than the adsorption magnetic force, due to function bullet The setting of spring 33, therefore during being moved downward by 31 stress of wedge, function spring 33 can compress and apply to convex block 245 Elastic force, when function spring 33 is compressed to a certain degree and the elastic force is more than the adsorption magnetic force, convex block 245 can be quickly downward It is mobile, i.e., insulation rotating bracket 24 can quick rotation, in other words, the contact jaw 113 of winding iron core 11 can be rapidly from second The contact of contact chip 231 is changed into be contacted with the first contact chip 221, and bigger induced electromotive force is generated with this, i.e. coil 12 generates Induced current it is bigger, improve the generating efficiency of power generator.

A kind of wireless switching is provided in the other embodiments of the utility model, the wireless switching includes above embodiments The power generator.

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 Stating 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 embodiment or examples.

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 where above-described embodiment can be changed in the scope of the utility model, modify, replace and Modification.

Claims (17)

1. a kind of power generator characterized by comprising

Fixed mechanism, the fixed mechanism include winding iron core, coil and U-shaped iron core,

The winding iron core is provided along its length fixing end, winding section and contact jaw, and the coil is set in the winding The winding section of iron core,

The U-shaped iron core includes intermediate beam and the first adjutage and the second adjutage set on the intermediate beam two sides, described The fixing end of winding iron core is fixedly connected with the intermediate beam of the U-shaped iron core；

Movable device, the movable device are rotatably arranged on the fixed mechanism, and the movable device includes permanent magnet And the first iron plate and the second iron plate contacted respectively with two magnetic pole of permanent magnet,

First iron plate includes the first contact chip and the first joining piece, and second iron plate includes the second contact chip and the second rank Contact pin；

The contact jaw of the winding iron core can with the rotation of the movable device and alternately with first contact chip and second Contact chip contact；

When the contact jaw of the winding iron core and first contact chip contact, first joining piece and described first extends Arm abuts, to limit the rotation of the movable device；

When the contact jaw of the winding iron core and second contact chip contact, second joining piece and described second extends Arm abuts, to limit the rotation of the movable device.

2. power generator as described in claim 1, which is characterized in that first iron plate further includes being turned under tabs, described The upper end for being turned under tabs is connect with first contact chip, and the lower end for being turned under tabs and first joining piece connect It connects, the shape of first iron plate is in " Z " type.

3. power generator as claimed in claim 2, which is characterized in that first contact chip is turned under tabs and the first rank Contact pin is integrally formed.

4. power generator as claimed in claim 2, which is characterized in that the lower surface of first adjutage is equipped with and described the First linking step of one joining piece cooperation.

5. power generator as described in claim 1, which is characterized in that second iron plate further includes being bent up tabs, described The lower end for being bent up tabs is connect with second contact chip, and the upper end for being bent up tabs and second joining piece connect It connects, the shape of second iron plate is in " Z " type.

6. power generator as claimed in claim 5, which is characterized in that the upper surface of second adjutage is equipped with and described the Second linking step of two joining pieces cooperation.

7. power generator as claimed in claim 5, which is characterized in that second contact chip is bent up tabs and the second rank Contact pin is integrally formed.

8. power generator as described in claim 1, which is characterized in that the fixed mechanism further includes insulating washer, described exhausted Edge washer is set on the winding iron core, the insulating washer be arranged in the coil and the U-shaped iron core intermediate beam it Between.

9. power generator as described in claim 1, which is characterized in that the movable device further includes insulation rotating bracket, institute The one end and the U-shaped iron core for stating insulation rotating bracket are rotatablely connected, and the other end of the insulation rotating bracket is equipped with convex block.

10. power generator as claimed in claim 9, which is characterized in that first contact chip and the second contact chip distinguish riveting It connects and is fixed on opposite two end faces of the insulation rotating bracket, the insulation rotating bracket includes:

Magnet mounting groove, the permanent magnet are located at the envelope formed by the magnet mounting groove, the first contact chip and the second contact chip It closes in space；

Cavity, the cavity and the magnet mounting groove interval are arranged, and the cavity is opened towards the contact jaw of the winding iron core The contact jaw of mouth setting, the winding iron core is semiclosed positioned at being formed by the cavity, the first contact chip and the second contact chip In space.

11. power generator as claimed in claim 9, which is characterized in that the insulation rotating bracket is described exhausted including being divided into The first cursor and the second cursor of edge rotating bracket two sides；

First cursor is equipped with first rotating shaft, and first adjutage is equipped with the first axle cooperated with the first rotating shaft Hole；

Second cursor is equipped with the second shaft, and second adjutage is equipped with the second axis cooperated with second shaft Hole.

12. power generator as claimed in claim 9, which is characterized in that the power generator includes pressing mechanism and shell, institute Stating pressing mechanism includes:

It is described to be connect by wedge with the convex block of the insulation rotating bracket by wedge；

Reset spring, the reset spring setting are described by between wedge and housing bottom.

13. power generator as claimed in claim 12, which is characterized in that installed equipped with reset spring the bottom by wedge Slot, the housing bottom are equipped with reset spring limited post, and one end of the reset spring is socketed in the reset spring limited post On, the other end of the reset spring is set in the reset spring mounting groove.

14. power generator as claimed in claim 12, which is characterized in that described to be equipped with limited step, the shell by wedge Equipped with limit fastener, the limit fastener and limited step are matched to limit the direction by the reciprocal position spring stretching, extension of wedge It is mobile.

15. power generator as claimed in claim 12, which is characterized in that the pressing mechanism includes function spring, described convex The top of block is equipped with function spring mounting groove, and described to be equipped with holding tank by wedge, the convex block is located in the holding tank, described One end of function spring is abutted with the top of the holding tank, and the other end of the function spring is installed set on the function spring In slot.

16. power generator as claimed in claim 15, which is characterized in that be equipped with function spring in the function spring mounting groove Limited post.

17. a kind of wireless switching, which is characterized in that including power generator described in claim 1-16 any one.