CN204361852U - Blast Furnace Top Gas Recovery Turbine Unit (TRT) and there is the wireless switching of this Blast Furnace Top Gas Recovery Turbine Unit (TRT) - Google Patents

Abstract

The utility model discloses a kind of Blast Furnace Top Gas Recovery Turbine Unit (TRT) and there is the wireless switching of this Blast Furnace Top Gas Recovery Turbine Unit (TRT), wherein, Blast Furnace Top Gas Recovery Turbine Unit (TRT) comprises end box, electromagnetic mechanism and seesaw of exerting pressure, and pivotable can be connected with a rotating part in end box, rotating part has relative first end and the second end, and first end is wound with solenoid; Electromagnetic mechanism comprises magnet and can by the Passive part of described magnet adsorption, and magnet configuration is outside the first end of rotating part, and Passive part is fixedly installed in the first end of rotating part; The exert pressure middle part of seesaw is articulated with end box, and the bottom surface of seesaw of exerting pressure is provided with pushing structure, and when the one end of seesaw of exerting pressure is pressed, pushing structure forces the first end of rotating part to turn to the position relative with the South Pole of magnet; When the other end of seesaw of exerting pressure is pressed, pushing structure forces the first end of rotating part to turn to the position relative with the arctic of magnet.The utility model to press mode generation current, can realize passive and wireless formula switch control rule.

Description

Blast Furnace Top Gas Recovery Turbine Unit (TRT) and there is the wireless switching of this Blast Furnace Top Gas Recovery Turbine Unit (TRT)

Technical field

The utility model relates to Blast Furnace Top Gas Recovery Turbine Unit (TRT), particularly relates to a kind of Blast Furnace Top Gas Recovery Turbine Unit (TRT) and has the wireless switching of this Blast Furnace Top Gas Recovery Turbine Unit (TRT).

Background technology

Switch is for control circuit open circuit, makes current interruptions or make it flow to the electronic component of other circuit.Modal switch is the electromechanical equipment allowing people operate, and wherein has one or several electronic contact.But traditional switch is all need to lay power line at metope, will by power line by switch place in circuit, and this mode is installing very inconvenience, broken ring metope structure, and there is potential safety hazard.

And improving constantly along with technical development renewal and people's living standard, people are also original higher to the requirement of quality of life, thus, introduce the theories such as Smart Home, along with the introducing of the theory of Smart Home, many intelligentized electronic products also occur in succession, such as Intelligent lamp etc., therefore, traditional switch can not meet people already to Smart Home needs.

Utility model content

The purpose of this utility model is to overcome deficiency of the prior art and provides a kind of Blast Furnace Top Gas Recovery Turbine Unit (TRT) and have the wireless switching of this Blast Furnace Top Gas Recovery Turbine Unit (TRT).

For achieving the above object, on the one hand, the Blast Furnace Top Gas Recovery Turbine Unit (TRT) that the utility model provides, comprising:

End box, pivotable can be connected with a rotating part in box of the described end, described rotating part has relative first end and the second end, and described first end is wound with solenoid;

Electromagnetic mechanism, described electromagnetic mechanism comprises magnet and can by the Passive part of described magnet adsorption, and described magnet is fixedly installed in box of the described end, and outside the first end being configured in described rotating part, described Passive part is fixedly installed in the first end of described rotating part;

To exert pressure seesaw, the middle part of described seesaw of exerting pressure is articulated with box of the described end, the bottom surface of described seesaw of exerting pressure is provided with pushing structure, and when one end of described seesaw of exerting pressure is pressed, described pushing structure forces the first end of described rotating part to turn to the position relative with the South Pole of described magnet; When the other end of described seesaw of exerting pressure is pressed, described pushing structure forces the first end of described rotating part to turn to the position relative with the arctic of described magnet.

Preferably, described pushing structure comprises the first lug boss of being arranged at one end, seesaw bottom surface of exerting pressure and the second lug boss of the seesaw bottom surface other end of exerting pressure described in being arranged at;

When one end of described seesaw of exerting pressure is pressed, the first end that described first lug boss promotes described rotating part turns to the position relative with the South Pole of described magnet; When the other end of described seesaw of exerting pressure is pressed, the second end that described second lug boss promotes described rotating part rotates, and turns to the position relative with the arctic of described magnet to make the first end of described rotating part.

Preferably, described first lug boss and the second lug boss are triangular hill, the first end of described rotating part is provided with the first inconsistent inclined-plane of the first lug boss described in Shi Keyu that to be pressed in one end of described seesaw of exerting pressure, and the second end of described rotating part is provided with and is pressed inconsistent the second inclined-plane of the second lug boss described in Shi Keyu at the other end of described seesaw of exerting pressure.

Preferably, the elastic component forcing described rotating part accelerated motion when one end of described seesaw of exerting pressure or the other end are pressed is provided with in box of the described end.

Preferably, the inner bottom surface of box of the described end is provided with drive-connecting shaft, and the centre of described rotating part is socketed on described drive-connecting shaft rotationally.

Preferably, the limiting section of the first end laying respectively at described rotating part and/or the second end both sides is provided with in box of the described end.

Preferably, described centre of exerting pressure seesaw bottom surface is provided with hinged portion, and described hinged portion is provided with hinge hole, is provided with two and is positioned at jointed shaft on same axis in box of the described end, described in two, the opposite end of jointed shaft has a kerf respectively, forms V-type socket between two relative described otch; The hinged portion of described seesaw of exerting pressure, by between jointed shaft described in described V-type socket insertion two, snaps in the hinge hole in described hinged portion to make jointed shaft described in two.

Preferably, described magnet is bar magnet, and described bar magnet is horizontally installed in box of the described end.

Preferably, be provided with draw-in groove in box of the described end, described magnet is arranged in described draw-in groove.

On the other hand, wireless switching of the present invention, comprising:

Radio frequency control board, for controlling the ON/OFF of power consumption equipment;

Blast Furnace Top Gas Recovery Turbine Unit (TRT) described above, the solenoid in described Blast Furnace Top Gas Recovery Turbine Unit (TRT) and described radio frequency control board are electrically connected, for providing required operating voltage for described radio frequency control board.

The beneficial effects of the utility model are: the Blast Furnace Top Gas Recovery Turbine Unit (TRT) that the utility model provides and have the wireless switching of this Blast Furnace Top Gas Recovery Turbine Unit (TRT), rotating part rotation is promoted by depressing seesaw of exerting pressure, the generation current in solenoid when rotating part rotates, this electric current can be powered for radio frequency control board, so, passive and wireless formula switch control rule can be realized, relative to traditional switch, without the need to wiring, without the need to built-in power, and use convenient, the requirement of people to Smart Home can be met.In addition, this rotating part that forces rotates and the structural design of electrogenesis stream in end box, the thickness of box of the whole end can be made to accomplish thinner, and structure is more simple, and cost is lower.

Accompanying drawing explanation

Fig. 1 is the overall structure schematic diagram of the utility model embodiment Blast Furnace Top Gas Recovery Turbine Unit (TRT);

Fig. 2 is the decomposition texture schematic diagram of the utility model embodiment Blast Furnace Top Gas Recovery Turbine Unit (TRT);

Fig. 3 is the internal structure schematic diagram of end box in the utility model embodiment Blast Furnace Top Gas Recovery Turbine Unit (TRT).

Reference numeral:

End box 10;

Drive-connecting shaft 101;

Limiting section 102;

Jointed shaft 103;

Otch 1031;

V-type socket 1032;

Rotating part 11;

First end 111;

First inclined-plane 1111;

Second end 112;

Second inclined-plane 1121;

Solenoid 12;

To exert pressure seesaw 20;

First lug boss 201;

Second lug boss 202;

Hinged portion 203;

Hinge hole 2031;

Magnet 30;

Passive part 31;

Elastic component 40.

The realization of the utility model object, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.

Embodiment

Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.

In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", orientation or the position relationship of the instruction such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.

In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In description of the present utility model, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.

In the utility model, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.

Shown in Fig. 3, the utility model embodiment provides a kind of Blast Furnace Top Gas Recovery Turbine Unit (TRT), comprises end box 10, electromagnetic mechanism and seesaw 20 of exerting pressure.

Specifically, end box 10 can be configured to square, also can be other shapes, pivotable a rotating part 11 can be connected with in it, such as, in the example shown in Fig. 2,3, end box 10 is square, and the pivotable of rotating part 11 is connected to the centre position of end box 10, pivot axis is vertical with end box 10, and this rotating part 11 can at the rotation with in surface of end box 10.Meanwhile, this rotating part 11 has relative first end 111 and the second end 112, and first end 111 is wound with solenoid 12.Such as, in the example shown in Fig. 2,3, rotating part 11 is strip piece, and be connected with end box 10 pivotable in the middle of it, so, when rotating part 11 rotates, first end 111 and the second end 112 can move in the opposite direction.

The Passive part 31 that electromagnetic mechanism comprises magnet 30 and can be adsorbed by described magnet 30, magnet 30 is fixedly installed in box of the described end 10, and outside the first end 111 being configured in rotating part 11, Passive part 31 is fixedly installed in the first end 111 of rotating part 11.Such as, in the example shown in Fig. 2,3, magnet 30 is arranged at the upside of the first end 111 of rotating part 11, and the arctic of magnet 30 is on right side, and the South Pole, in left side, certainly, is understandable that, also can be the South Pole of magnet 30 on right side, the arctic is in left side.Passive part 31 can adopt metal derby or other components that can be adsorbed by magnet 30, and Passive part 31 is embedded at first end 111.The outside of the first end 111 of rotating part 11 is configured in due to magnet 30, namely the first end 111 of rotating part 11 is in the magnetic field range of magnet 30, according to electromagnetic induction principle, when rotating part 11 rotates with certain speed, the coil on rotating part 11 is generation current because of cutting magnetic induction line.

The exert pressure middle part of seesaw 20 is articulated with end box 10, and that is, this seesaw 20 of exerting pressure forms the structure that can press on end box 10, can switch between a first state and a second state, namely common rocker switch structure.The exert pressure bottom surface of seesaw 20 is provided with pushing structure, and when the one end of seesaw 20 of exerting pressure is pressed, pushing structure forces the first end 111 of rotating part 11 to turn to the position relative with the South Pole of magnet 30; When the other end of seesaw 20 of exerting pressure is pressed, pushing structure forces the first end 111 of rotating part 11 to turn to the position relative with the arctic of magnet 30.

That is, by the pressing of seesaw 20 of exerting pressure, the rotating part 11 that pushing structure can be made to promote in end box 10 rotates, first end 111 on the rotating part 11 of correspondence then swings between the South Pole of magnet 30 and the arctic, such as, press the one end of seesaw 20 of exerting pressure, then pushing structure promotion rotating part 11 rotates, the first end 111 of rotating part 11 is rocked to the side in magnet 30 South Pole by the side of magnet 30 arctic, in the process, the solenoid 12 of the first end 111 of rotating part 11 gets final product generation current, so, can realize generating.

It should be noted that, the outside of the first end 111 of rotating part 11 is positioned at due to magnet 30, and first end 111 is provided with the Passive part 31 that can be adsorbed by magnet 30, so, the South Pole of magnet 30 and the arctic have suction-operated to Passive part 31, and the position between the South Pole and the arctic forms critical point.So, when the one end of seesaw 20 of exerting pressure is pressed, pushing structure forces the first end 111 of rotating part 11 to turn in the position process relative with the South Pole of magnet 30 (namely being moved in the process in the South Pole by the arctic), in stroke between the arctic to critical point, because the adsorption of the arctic to Passive part 31 is larger, and the direction of adsorption is contrary with the direction of motion, therefore, movement velocity is slower; And crossed critical point, in the stroke between critical point to the South Pole, because the South Pole is comparatively large to the adsorption of Passive part 31, and the direction of adsorption is identical with the direction of motion, and therefore, Passive part 31 understands accelerated motion to the South Pole, to produce larger electric current.

In like manner, when the other end of seesaw 20 of exerting pressure is pressed, pushing structure forces the first end 111 of rotating part 11 to turn in the position relative with the arctic of magnet 30 and (is namely moved in the process of the arctic by the South Pole), in stroke between the South Pole to critical point, because the adsorption of the South Pole to Passive part 31 is larger, and the direction of adsorption is contrary with the direction of motion, therefore, movement velocity is slower; And crossed critical point, in the stroke between critical point to the arctic, because the arctic is comparatively large to the adsorption of Passive part 31, and the direction of adsorption is identical with the direction of motion, and therefore, Passive part 31 understands accelerated motion to the arctic, to produce larger electric current.

According to the Blast Furnace Top Gas Recovery Turbine Unit (TRT) that the utility model embodiment provides, promote rotating part 11 rotate by pressure seesaw 20 of exerting pressure, the generation current in solenoid 12 when rotating part 11 rotates, this electric current can be powered for the radio frequency control board in wireless switching, so, passive and wireless formula switch control rule can be realized, relative to traditional switch, without the need to wiring, without the need to built-in power, and use convenient, the requirement of people to Smart Home can be met.In addition, this rotating part 11 that forces rotates and the structural design of electrogenesis stream in end box 10, and the thickness of box of the whole end 10 can be made to accomplish thinner, and structure is more simple, and cost is lower.

In an embodiment of the present utility model, pushing structure can comprise the first lug boss 201 being arranged at one end, seesaw 20 bottom surface of exerting pressure and the second lug boss 202 being arranged at the seesaw 20 bottom surface other end of exerting pressure.When the one end of seesaw 20 of exerting pressure is pressed, the first end 111 that the first lug boss 201 promotes rotating part 11 turns to the position relative with the South Pole of magnet 30; When the other end of seesaw 20 of exerting pressure is pressed, the second end 112 that the second lug boss 202 promotes rotating part 11 rotates, and turns to the position relative with the arctic of magnet 30 to make the first end 111 of rotating part 11.

That is, first lug boss 201 effect is when the one end of seesaw 20 of exerting pressure or the other end are pressed, first lug boss 201 moves downward, when moving to certain position, just touch the side of the first end 111 of rotating part 11, when the first lug boss 201 continues to move downward, squeezing action can be played to the side of the first end 111 of rotating part 11, the first end 111 of rotating part 11 moves (right side namely in figure) to the direction in the South Pole of magnet 30 after the effect of being squeezed, so, reach the first end 111 of promotion rotating part 11 to the position relative with magnet 30 South Pole.Corresponding, second lug boss 202 effect is when the one end of seesaw 20 of exerting pressure or the other end are pressed, second lug boss 202 moves downward, when moving to certain position, just touch the side of the second end 112 of rotating part 11, when the second lug boss 202 continues to move downward, squeezing action can be played to the side of the second end 112 of rotating part 11, rotating part 11 second end 112 is motion after the effect of being squeezed, and now, first end 111 is contrary with the motion of the second end 112, namely first end 111 moves (left side namely in figure) to the direction of the arctic of magnet 30, so, reach the first end 111 of promotion rotating part 11 to the position relative with magnet 30 north.

More favorably, in a preferred embodiment of the present utility model, first lug boss 201 and the second lug boss 202 are triangular hill, the first end 111 of rotating part 11 is provided with the first inconsistent inclined-plane 1111 of the first lug boss 201 described in Shi Keyu that to be pressed in the one end of seesaw 20 of exerting pressure, and the second end 112 of rotating part 11 is provided with the second inclined-plane 1121 that can be inconsistent with the second lug boss 202 when the other end of seesaw 20 of exerting pressure is pressed.So, when the one end of seesaw 20 of exerting pressure is pressed, leg-of-mutton first lug boss 201 lower end contacts with the first inclined-plane 1111 of the first end 111 of rotating part 11, due to the effect on the first inclined-plane 1111, the first inclined-plane 1111 can be made to produce component in horizontal direction, and the rotating part 11 that this component can be can be pushed smoothly; In like manner, when the other end of seesaw 20 of exerting pressure is pressed, leg-of-mutton second lug boss 202 lower end contacts with the second inclined-plane 1121 of the second end 112 of rotating part 11, due to the effect on the second inclined-plane 1121, the second inclined-plane 1121 can be made to produce component in horizontal direction, and the rotating part 11 that this component can be can be pushed smoothly.So, as long as apply less effect at seesaw 20 of exerting pressure, the rotating part 11 in end box 10 can be driven to rotate, to realize generating, thus, can be more laborsaving, more convenient to operate.

Certainly, be understandable that, pushing structure also can construct other versions, as long as when pressing one end or the other end of seesaw 20 of exerting pressure, this pushing structure can promote rotating part 11 and rotate.

In an embodiment of the present utility model, in end box 10, be provided with the elastic component 40 forcing the accelerated motion of described rotating part 11 when one end of described seesaw 20 of exerting pressure or the other end are pressed.Such as shown in Figure 1 in example, this elastic component 40 is spring, one end of spring is connected on end box 10, the other end is connected on rotating part 11, when the one end of seesaw 20 of exerting pressure or the other end are pressed, the elastic potential energy of this springiness can make first end 111 accelerated motion at faster speed of rotating part 11, so, can improve the electric current that solenoid 12 produces.

Be understandable that, elastic component 40 can adopt other structural members, such as arc spring lamination, after applying certain effect power, can be mutated into other direction arc spring lamination completely.This arc spring lamination structure is undergone mutation under the promotion of pushing structure, and rotating part 11 so can be driven to accelerate.

In a specific embodiment of the present utility model, the inner bottom surface of end box 10 is provided with drive-connecting shaft 101, and the centre of described rotating part 11 is socketed on described drive-connecting shaft 101 rotationally.Such as, in Fig. 2,3 example shown, this drive-connecting shaft 101 is the cylinder of hollow, the cylinder of hollow is enclosed by the flexure strip of multiple projection and is formed, perforate is offered in the middle of rotating part 11, perforate is socketed on the cylinder of hollow, in order to prevent rotating part 11 from coming off, be provided with outwardly gear edge on the top of flexure strip.The structure of this socket, can make assembling convenient.

In an embodiment of the present utility model, in order to limit the amplitude that rotating part 11 rotates, being provided with in end box 10 and laying respectively at the first end 111 of described rotating part 11 and/or the limiting section 102 of the second end 112 both sides.So; when the first end 111 that rotating part 11 rotates is to the position relative with magnet 30 South Pole or the arctic; the first end 111 of rotating part 11 can be limited in the position relative with magnet 30 South Pole or the arctic by above-mentioned limiting section 102, to guarantee accuracy in Machine Movement Process and reliability.

More specifically, for the ease of the assembling of exerting pressure between seesaw 20 and end box 10, in an embodiment of the present utility model, the exert pressure centre of seesaw 20 bottom surface is provided with hinged portion 203, hinged portion 203 is provided with hinge hole 2031, the opposite end being provided with jointed shaft 103, two jointed shaft 103 that two are positioned on same axis in end box 10 has a kerf 1031 respectively, forms V-type socket 1032 between two relative described otch 1031; The exert pressure hinged portion 203 of seesaw 20 inserts described in two between jointed shaft 103 by described V-type socket 1032, snaps in the hinge hole 2031 in described hinged portion 203 to make jointed shaft 103 described in two.

That is, when seesaw 20 and end box 10 are exerted pressure in assembling, as long as the hinged portion 203 exerted pressure on seesaw 20 is aimed at the above-mentioned V-type socket 1032 on end box 10, apply certain pressure again, can the hinged portion 203 of seesaw 20 of exerting pressure be inserted between two jointed shafts 103, two corresponding jointed shafts 103 also snap in in hinge hole 2031 automatically, so, easily can realize assembling.

Alternatively, magnet 30 can be bar magnet 30, and described bar magnet 30 is horizontally installed in box of the described end 10.Certainly, this magnet 30 can select the magnet 30 of other versions as required.

For the ease of the installation of magnet 30, draw-in groove can be provided with in end box 10, magnet 30 is arranged in described draw-in groove.

It should be noted that, end box 10 in the utility model and seesaw 20 of exerting pressure can be the structures of common rocker switch, so, only need in end box 10, arrange corresponding rotating part 11, electromagnetic component etc., form the wireless switching with the utility model Blast Furnace Top Gas Recovery Turbine Unit (TRT).

In sum, the Blast Furnace Top Gas Recovery Turbine Unit (TRT) that the utility model provides and have the wireless switching of this Blast Furnace Top Gas Recovery Turbine Unit (TRT), promotes rotating part 11 and rotates by pressure seesaw 20 of exerting pressure, the generation current in solenoid 12 when rotating part 11 rotates, this electric current can be powered for radio frequency control board, so, passive and wireless formula switch control rule can be realized, relative to traditional switch, without the need to wiring, without the need to built-in power, and use convenient, the requirement of people to Smart Home can be met.In addition, this rotating part 11 that forces rotates and the structural design of electrogenesis stream in end box 10, and the thickness of box of the whole end 10 can be made to accomplish thinner, and structure is more simple, and cost is lower.

The utility model additionally provides a kind of wireless switching, comprises radio frequency control board and the Blast Furnace Top Gas Recovery Turbine Unit (TRT) as described in above-described embodiment.Namely, corresponding radio frequency control board is installed in the Blast Furnace Top Gas Recovery Turbine Unit (TRT) of above-described embodiment and can forms wireless switching.Wherein, radio frequency control board is for controlling the ON/OFF of power consumption equipment (such as light fixture etc.); Solenoid 12 in Blast Furnace Top Gas Recovery Turbine Unit (TRT) is electrically connected, for providing required operating voltage for radio frequency control board with radio frequency control board.

Owing to have employed the Blast Furnace Top Gas Recovery Turbine Unit (TRT) of the utility model above-described embodiment, the present embodiment provides wireless switching, promotes rotating part 11 and rotates by pressure seesaw 20 of exerting pressure, the generation current in solenoid 12 when rotating part 11 rotates, this electric current can be powered for radio frequency control board, so, passive and wireless formula switch control rule can be realized, relative to traditional switch, without the need to wiring, without the need to built-in power, and use convenient, the requirement of people to Smart Home can be met.

In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.

Although illustrate and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment when not departing from principle of the present utility model and aim, revising, replacing and modification in scope of the present utility model.

Claims (10)

1. a Blast Furnace Top Gas Recovery Turbine Unit (TRT), is characterized in that, comprising:

End box, pivotable can be connected with a rotating part in box of the described end, described rotating part has relative first end and the second end, and described first end is wound with solenoid;

Electromagnetic mechanism, described electromagnetic mechanism comprises magnet and can by the Passive part of described magnet adsorption, and described magnet is fixedly installed in box of the described end, and outside the first end being configured in described rotating part, described Passive part is fixedly installed in the first end of described rotating part;

To exert pressure seesaw, the middle part of described seesaw of exerting pressure is articulated with box of the described end, the bottom surface of described seesaw of exerting pressure is provided with pushing structure, and when one end of described seesaw of exerting pressure is pressed, described pushing structure forces the first end of described rotating part to turn to the position relative with the South Pole of described magnet; When the other end of described seesaw of exerting pressure is pressed, described pushing structure forces the first end of described rotating part to turn to the position relative with the arctic of described magnet.

2. Blast Furnace Top Gas Recovery Turbine Unit (TRT) according to claim 1, is characterized in that, described pushing structure comprises the first lug boss of being arranged at one end, seesaw bottom surface of exerting pressure and the second lug boss of the seesaw bottom surface other end of exerting pressure described in being arranged at;

When one end of described seesaw of exerting pressure is pressed, the first end that described first lug boss promotes described rotating part turns to the position relative with the South Pole of described magnet; When the other end of described seesaw of exerting pressure is pressed, the second end that described second lug boss promotes described rotating part rotates, and turns to the position relative with the arctic of described magnet to make the first end of described rotating part.

3. Blast Furnace Top Gas Recovery Turbine Unit (TRT) according to claim 2, it is characterized in that, described first lug boss and the second lug boss are triangular hill, the first end of described rotating part is provided with the first inconsistent inclined-plane of the first lug boss described in Shi Keyu that to be pressed in one end of described seesaw of exerting pressure, and the second end of described rotating part is provided with and is pressed inconsistent the second inclined-plane of the second lug boss described in Shi Keyu at the other end of described seesaw of exerting pressure.

4. Blast Furnace Top Gas Recovery Turbine Unit (TRT) according to any one of claim 1 to 3, is characterized in that, is provided with the elastic component forcing described rotating part accelerated motion when one end of described seesaw of exerting pressure or the other end are pressed in box of the described end.

5. Blast Furnace Top Gas Recovery Turbine Unit (TRT) according to claim 1, is characterized in that, the inner bottom surface of box of the described end is provided with drive-connecting shaft, and the centre of described rotating part is socketed on described drive-connecting shaft rotationally.

6. Blast Furnace Top Gas Recovery Turbine Unit (TRT) according to claim 1, is characterized in that, is provided with the limiting section of the first end laying respectively at described rotating part and/or the second end both sides in box of the described end.

7. Blast Furnace Top Gas Recovery Turbine Unit (TRT) according to claim 1, it is characterized in that, described centre of exerting pressure seesaw bottom surface is provided with hinged portion, described hinged portion is provided with hinge hole, be provided with two in box of the described end and be positioned at jointed shaft on same axis, described in two, the opposite end of jointed shaft has a kerf respectively, forms V-type socket between two relative described otch; The hinged portion of described seesaw of exerting pressure, by between jointed shaft described in described V-type socket insertion two, snaps in the hinge hole in described hinged portion to make jointed shaft described in two.

8. Blast Furnace Top Gas Recovery Turbine Unit (TRT) according to claim 1, is characterized in that, described magnet is bar magnet, and described bar magnet is horizontally installed in box of the described end.

9. the Blast Furnace Top Gas Recovery Turbine Unit (TRT) according to claim 1 or 8, is characterized in that, be provided with draw-in groove in box of the described end, described magnet is arranged in described draw-in groove.

10. a wireless switching, is characterized in that, comprising:

Radio frequency control board, for controlling the ON/OFF of power consumption equipment;

Blast Furnace Top Gas Recovery Turbine Unit (TRT) according to any one of claim 1 to 9, the solenoid in described Blast Furnace Top Gas Recovery Turbine Unit (TRT) and described radio frequency control board are electrically connected, for providing required operating voltage for described radio frequency control board.