CN216411392U - Embedded voltage sensor with uniform electric field distribution - Google Patents

Abstract

The utility model relates to an embedded voltage sensor with uniformly distributed electric field; the method comprises the following steps: the device comprises a voltage sensor body, a passive mounting mechanism, an active mounting mechanism and a wiring mechanism for conveniently and quickly connecting an external cable; the passive mounting mechanism is arranged in the power distribution cabinet; the active mounting mechanism is arranged on the voltage sensor body; the wiring mechanism is fixedly arranged at the lower end of the voltage sensor body. The voltage sensor has the advantages that the voltage sensor body can be conveniently, quickly and conveniently installed at a target position through the installation mechanism, meanwhile, the voltage sensor is convenient to disassemble and replace, and the service performance is good.

Description

Embedded voltage sensor with uniform electric field distribution

Technical Field

The utility model relates to the technical field of voltage sensors, in particular to an embedded voltage sensor with uniformly distributed electric fields.

Background

With the rapid development of intelligent power distribution networking construction, the intelligentization requirement on power distribution switchgear is higher and higher, meanwhile, the application amount of the power distribution switchgear is increased year by year, the total amount of the power distribution switchgear operating in the whole network exceeds 300 thousands, accurate voltage measurement is an important basis for realizing the intelligentization of the power distribution switchgear, the application amount is extremely large, the traditional voltage measurement mode is realized by an electromagnetic voltage sensor connected in parallel in a high-voltage main loop, the voltage sensor has the defects of large volume, high cost, difficulty in replacement and the like, particularly, ferromagnetic resonance can be generated, a power accident is induced, the power equipment is burnt, and the operation safety of a power grid is endangered.

In recent years, with the development of voltage sensor technology, electronic voltage sensors using capacitive voltage division, electrical limit voltage division and resistance-capacitance voltage division have been developed, but the conventional voltage sensors often need to be fixed by screws when in use, so that the problem of difficult replacement occurs, and the maintenance cost is high.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to an embedded voltage sensor with uniform electric field distribution, so as to solve the problems mentioned in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme:

an embedded voltage sensor with uniform electric field distribution, comprising: the device comprises a voltage sensor body, a passive mounting mechanism, an active mounting mechanism and a wiring mechanism for conveniently and quickly connecting an external cable; the passive mounting mechanism is arranged in the power distribution cabinet; the active mounting mechanism is arranged on the voltage sensor body; the wiring mechanism is fixedly arranged at the lower end of the voltage sensor body; it is characterized in that the preparation method is characterized in that,

the passive mounting mechanism includes: the clamping groove is used for limiting, installing and fixing;

the slot is arranged in the power distribution cabinet; the clamping grooves are arranged on two sides inside the slot;

the active mounting mechanism comprises: the device comprises an insertion block, a sliding groove, a sliding block, a clamping block, a transmission rod, a button, a first magnet, a second magnet and a spring for resetting;

the insertion block is fixedly arranged on the voltage sensor body; the sliding groove is arranged in the insert block; the sliding blocks are movably clamped on two sides of the surface of the sliding chute; the clamping block is fixedly arranged on the sliding block; the transmission rod is movably inserted at the upper end of the insertion block; the button is fixedly arranged at the upper end of the transmission rod; the first magnet is fixedly arranged at the lower end of the transmission rod; the second magnet is fixedly arranged at the upper end of the sliding block; the two springs are arranged and are arranged between the sliding blocks in the sliding grooves, and the springs are sleeved on the surface of the outer side plate of the transmission rod;

the wiring mechanism includes: the cable fixing device comprises a binding post, a wiring hole, a copper pin, an elastic connecting sheet, an extrusion head and an extrusion block for extruding a cable to fix; the wiring terminal is fixedly arranged below the voltage sensor body; the wiring hole is arranged in the wiring terminal; the copper needle is fixedly arranged in the wiring hole; the copper needle is electrically connected with the voltage sensor body; the elastic connecting sheet is fixedly arranged at the lower end of the binding post; the extrusion head is movably screwed on the outer side surface of the binding post through threads; the extrusion block is fixedly arranged below the elastic connecting sheet.

As a further scheme of the utility model: the first magnet and the second magnet are close to the magnetic poles which are opposite. Through the principle of opposite attraction, the first magnet and the second magnet can be attracted to each other when approaching, so that the second magnet moves towards the direction of approaching the first magnet.

As a further scheme of the utility model: the wiring mechanism further comprises an anti-falling elastic piece for preventing the cable inserted for connection from falling off. The anti-falling elastic sheet is fixedly arranged on the outer side surface of the extrusion block. Can form the barb through anticreep flexure strip after the cable that is connected with the voltage sensor body inserts inside to can prevent effectively that this cable from droing.

As a further scheme of the utility model: the embedded voltage sensor with the uniform electric field distribution further comprises a heat dissipation mechanism for dissipating heat of the whole device. The heat dissipation mechanism includes: the air flow accelerating box comprises a box door, a control box, a fixed frame, a motor and blades for stirring air flow and accelerating the air flow.

The box door is movably arranged on the power distribution cabinet through a hinge. The control box is fixedly arranged in the power distribution cabinet. The fixed frame is arranged in the middle of the box door. The motor is fixedly arranged in the fixed frame through the mounting seat. The blades are fixedly arranged at the output shaft end of the motor through a coupling. The motor drives the blade to rotate, so that the flow of the air flow can be accelerated, and the whole driving device can be conveniently driven to dissipate heat.

As a further scheme of the utility model: the control box is electrically connected with the voltage sensor body and the motor. Through voltage sensor body real-time supervision equipment voltage signal, give the control box with the signal of telecommunication when detecting unusual high voltage, the control box in time controls the motor and opens when the equipment high pressure has not yet generated heat and dispels the heat this moment to can improve equipment's life prevents that the inside cable of equipment from being heated ageing.

As a further scheme of the utility model: the embedded voltage sensor with the uniform electric field distribution further comprises a blocking mechanism for hermetically preventing dust from entering the device under the non-heat dissipation condition. The plugging mechanism comprises: fixed plate, rotating plate, electro-magnet and iron sheet.

The fixing plate is fixedly arranged outside the fixing frame. The rotating plate is movably arranged on the outer side surface of the fixed plate through a rotating shaft. The electromagnet is fixedly arranged in the fixed plate. The iron sheet is fixedly arranged in the rotating plate. The electromagnet is electrically connected with the control box. When detecting unusual high voltage with signal of telecommunication transmission for the control box, the control box in time controls the electro-magnet when the equipment high pressure has not yet generated heat and adsorbs the rotor plate rotation and make rotor plate and fixed plate overlap this moment to thereby make the wind channel switch on and can conveniently dispel the heat.

As a further scheme of the utility model: and a torsion spring for driving the rotating plate to rotate and reset is arranged on the rotating shaft where the rotating plate is located. The rotating plate can be automatically driven to rotate, reset and close when the rotating plate needs to be closed through the torsion spring.

As a further scheme of the utility model: fixed blocks for fixed installation are fixedly arranged at four corners of the outer side surface of the power distribution cabinet. The power distribution cabinet can be conveniently and fixedly arranged at a target position through the fixing block.

As a further scheme of the utility model: the outer side surface of the extrusion block is mutually attached to the inner side wall of the extrusion head. A plurality of extrusion heads can be conveniently extruded through the extrusion heads and tightened simultaneously, and therefore a cable which is fixed by a main body can be conveniently fixed.

As a further scheme of the utility model: the outer side surface of the box door is fixedly provided with a visible glass window at the upper end of the fixed frame. Through the visual glass window, the condition of the inside of the power distribution cabinet can be observed conveniently without opening the door of the cabinet by a worker.

Compared with the prior art, the utility model has the beneficial effects that: through being provided with initiative installation mechanism above the voltage sensor body, when the voltage sensor body inserted the target location, can carry out quick chucking work through initiative installation mechanism, conveniently carry out embedded installation, conveniently dismantle simultaneously and change, performance is good.

When the voltage sensor body is installed, a worker can hold the voltage sensor body by hands and then press the button by a forefinger, therefore, the first magnet and the second magnet can be close to each other, and the first magnet and the second magnet can be attracted to each other when being close to each other by the opposite attraction principle, thereby the second magnet moves towards the direction close to the first magnet, the clamping block can be driven to be accommodated in the inserting block, then the inserting block is inserted into the slot, the button sliding block and the clamping block can be reset under the action of the spring when the button sliding block and the clamping block are loosened, thereby the clamping block is clamped into the clamping groove to complete the installation of the voltage sensor body, when the voltage sensor body is required to be disassembled, the clamping block is enabled to be accommodated in the inserting block by pressing the button, so that the voltage sensor body can be disassembled, and the whole disassembling and assembling process of the device is convenient and fast.

When the cable is required to be connected after the voltage sensor body is installed, the cable does not need to be peeled for the connected cable, a professional connecting joint for installing the cable is not needed, the cable only needs to be inserted into a wiring hole, a copper needle is inserted into a copper wire inside the cable, so that the electric connection between the cable and the voltage sensor body can be completed, after the cable is inserted, the extrusion head only needs to be rotated through threads to extrude the extrusion block, so that the elastic connecting sheet is bent, the extrusion block is tightened up to fix the cable in a clamping manner, and the whole cable installation process is convenient and fast.

And the anticreep flexure strip can imbed in the epidermis of the cable that connects when the cable is fixed to can form the effect of barb, thereby can further prevent that the cable from droing.

When the voltage sensor is used, the voltage signal of the device is monitored in real time through the voltage sensor body, the electric signal is transmitted to the control box when abnormal high voltage is detected, and the control box controls the motor to be opened to dissipate heat in time when the high voltage of the device is not heated yet, so that the service life of the device can be prolonged, and the cable inside the device is prevented from being heated and aged.

The control box also can control the electro-magnet circular telegram so can make the electro-magnet adsorb the iron sheet in the rotor plate when needs dispel the heat for the rotor plate rotates clockwise, thereby make the wind channel switch on and can conveniently dispel the heat, and when need not dispel the heat, the electro-magnet outage, the rotor plate can block the wind channel with mutual dislocation between automatic re-setting and the fixed plate under the effect of torsional spring, thereby can prevent effectively that dust debris from entering into the inside damage that leads to inside components and parts of switch board.

Other features and advantages of the present invention will be disclosed in more detail in the following detailed description of the utility model and the accompanying drawings.

Drawings

Fig. 1 is a schematic view of the overall structure of an embedded voltage sensor with uniform electric field distribution according to the present invention.

FIG. 2 is an overall structural view of a passive mounting mechanism of an embedded voltage sensor with uniform electric field distribution according to the present invention.

Fig. 3 is an installation view of the voltage sensor body and the power distribution cabinet of the embedded voltage sensor with uniform electric field distribution according to the present invention.

Fig. 4 is a view showing the overall structure of a wiring structure of an embedded voltage sensor of the present invention in which the electric field distribution is uniform.

Fig. 5 is an enlarged view at B in fig. 4.

Fig. 6 is an overall structural view of a heat dissipation mechanism of an embedded voltage sensor with uniform electric field distribution according to the present invention.

Fig. 7 is an overall structural view of the plugging mechanism of the embedded voltage sensor with uniform electric field distribution according to the utility model.

List of reference numerals: an embedded voltage sensor 100 with a uniform electric field distribution; a power distribution cabinet 200; a voltage sensor body 10; a passive mounting mechanism 20; a slot 21; a chucking groove 22; an active mounting mechanism 30; an insert block 31; a chute 32; a slider 33; a chucking block 34; a transmission rod 35; a button 36; a first magnet 37; a second magnet 38; a spring 39; a wiring mechanism 40; a terminal 41; a wiring hole 42; a copper needle 43; an elastic connecting piece 44; an extrusion head 45; an extrusion block 46; an anti-slip elastic piece 47; a heat dissipation mechanism 50; a door 51; a control box 52; the fixed frame 53; a motor 54; a blade 55; a plugging mechanism 60; a fixed plate 61; a rotating plate 62; an electromagnet 63; an iron sheet 64.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 7, in an embodiment of the present invention, an embedded voltage sensor 100 with a uniform electric field distribution includes: the voltage sensor comprises a voltage sensor body 10, a passive mounting mechanism 20, an active mounting mechanism 30 and a wiring mechanism 40 for conveniently and quickly connecting an external cable. The passive mounting mechanism 20 is arranged at one side of the upper end inside the power distribution cabinet 200. The active mounting mechanism 30 is provided on the surface side of the voltage sensor body 10. The wiring mechanism 40 is fixedly arranged at both sides of the lower end of the voltage sensor body 10.

The passive mounting mechanism 20 includes: a slot 21 and a clamping slot 22 for limiting installation and fixation.

The slot 21 is provided at one side of the upper end inside the power distribution cabinet 200. The chucking grooves 22 are provided at both sides inside the insertion groove 21.

The active mounting mechanism 30 includes: the device comprises an insertion block 31, a sliding groove 32, a sliding block 33, a clamping block 34, a transmission rod 35, a button 36, a first magnet 37, a second magnet 38 and a spring 39 for return.

The insert 31 is fixedly provided on the surface side of the voltage sensor body 10. The slide groove 32 is provided in the middle of the inner side of the insert block 31. The sliding blocks 33 are movably clamped on two sides of the surface of the sliding chute 32. The clamping block 34 is fixedly arranged on one side of the surface of the sliding block 33. The transmission rod 35 is movably inserted and arranged at the upper end of the insertion block 31. The push button 36 is fixedly arranged at the upper end of the transmission rod 35. The first magnet 37 is fixedly disposed at the lower end of the transmission rod 35. The second magnet 38 is fixedly disposed at the upper end of the slider 33. Two springs 39 are provided, the springs 39 are arranged between the sliding blocks 33 inside the sliding grooves 32, and the springs 39 are sleeved on the outer side surface of the transmission rod 35.

The wire connection mechanism 40 includes: the cable fixing device comprises a binding post 41, a binding hole 42, a copper pin 43, an elastic connecting sheet 44, an extrusion head 45 and an extrusion block 46 for extruding a cable for fixing. The terminals 41 are fixedly arranged on both sides of the lower end of the voltage sensor body 10. The wiring hole 42 is provided in the middle of the inner side of the post 41. The copper pin 43 is fixedly arranged in the middle of the inner side of the wiring hole 42. The copper pin 43 is electrically connected with the voltage sensor body 10. The elastic connection piece 44 is fixedly provided at the periphery of the lower end surface of the post 41. The extrusion head 45 is movably screwed on the outer side surface of the terminal 41 through threads. The pressing block 46 is fixedly arranged at the lower end of the elastic connecting piece 44.

The first magnet 37 and the second magnet 38 are close to opposite poles. The first magnet 37 and the second magnet 38 are attracted to each other by the opposite attraction principle, so that the second magnet 38 moves in a direction to approach the first magnet 37.

The wire connection mechanism 40 further includes an anti-drop elastic piece 47 for preventing a cable inserted for connection from dropping off. The anti-falling elastic piece 47 is fixedly arranged on the outer side surface of the extrusion block 46. The anti-dropping elastic piece 47 can form a barb after the cable connected with the voltage sensor body 10 is inserted into the cable, so that the cable can be effectively prevented from dropping.

An embedded voltage sensor 100 with uniform electric field distribution further comprises a heat dissipation mechanism 50 for dissipating heat of the whole device. The heat dissipation mechanism 50 includes: a door 51, a control box 52, a fixed frame 53, a motor 54, and a blade 55 for agitating the airflow to accelerate the airflow.

The door 51 is movably arranged on one side of the surface of the power distribution cabinet 200 through a hinge. The control box 52 is fixedly arranged at the lower end inside the power distribution cabinet 200. The fixed frame 53 is provided at the middle of the door 51. The motor 54 is fixedly arranged at the middle part of the inner side of the fixed frame 53 through a mounting seat. The blade 55 is fixedly disposed at an output shaft end of the motor 54 through a coupling. The blades 55 are rotated by the motor 54 to accelerate the airflow, so that the heat dissipation of the whole driving device can be facilitated.

The control box 52 is electrically connected to the voltage sensor body 10, and the control box 52 is electrically connected to the motor 54. Through voltage sensor body 10 real-time supervision equipment voltage signal, give control box 52 with the signal of telecommunication transmission when detecting unusual high voltage, control box 52 controls motor 54 in time to open when the equipment high pressure has not yet generated heat at this moment and dispels the heat to can improve equipment's life prevents that the inside cable of equipment from being heated ageing.

An embedded voltage sensor 100 with a uniform electric field distribution further comprises a blocking mechanism 60 for sealing against dust entering the device in the non-heat dissipating situation. The plugging mechanism 60 includes: a fixed plate 61, a rotating plate 62, an electromagnet 63 and an iron sheet 64.

The fixing plate 61 is fixedly disposed at the middle of the fixing frame 53. The rotating plate 62 is movably disposed on the outer side surface of the fixed plate 61 by a rotating shaft. The electromagnet 63 is fixedly arranged at the lower end inside the fixed plate 61. The iron piece 64 is fixedly disposed inside the rotating plate 62. The electromagnet 63 is electrically connected with the control box 52. When detecting unusual high voltage with the signal of telecommunication transmission for control box 52, control box 52 at this moment in time controls electro-magnet 63 and adsorbs the rotation board 62 and rotate and make rotation board 62 and fixed plate 61 overlap when the equipment high pressure has not generated heat yet to thereby make the wind channel switch on and can conveniently dispel the heat.

The rotating shaft of the rotating plate 62 is provided with a torsion spring for driving the rotating plate 62 to rotate and reset. The torsion spring can automatically drive the rotating plate 62 to rotate and reset to be closed when the rotating plate 62 needs to be closed.

The four corners of the outer side surface of the power distribution cabinet 200 are fixedly provided with fixing blocks for fixed installation. The power distribution cabinet 200 can be conveniently and fixedly arranged at a target position through the fixing block.

The outer surface of the extrusion block 46 and the inner side wall of the extrusion head 45 are mutually attached. A plurality of extrusion heads 45 can be conveniently extruded and tightened simultaneously through the extrusion heads 45, so that the cable which is fixed by a main user can be conveniently fixed.

The outer surface of the door 51 is fixedly provided with a visible glass window at the upper end of the fixed frame 53. The condition inside the power distribution cabinet 200 can be observed conveniently by a worker without opening the door 51 through the visible glass window.

When the voltage sensor body 10 is installed by using the device, a worker can hold the voltage sensor body 10 by hands and then press the button 36 by an index finger, so that the first magnet 37 and the second magnet 38 can approach each other, at the same time, the first magnet 37 and the second magnet 38 can attract each other by the principle of opposite attraction, so that the second magnet 38 moves towards the direction of approaching the first magnet 37, so that the clamping block 34 can be driven to be accommodated in the insertion block 31, then the insertion block 31 is inserted in the insertion slot 21, at the moment, the sliding block 33 and the clamping block 34 can be reset under the action of the spring 39 after the button 36 is loosened, so that the clamping block 34 is clamped in the clamping slot 22, the installation of the voltage sensor body 10 can be completed, when the voltage sensor body 10 needs to be disassembled, the voltage sensor body 10 can be disassembled by pressing the button 36 so that the clamping block 34 is accommodated in the insertion block 31, the whole disassembly and assembly process of the device is convenient and quick, when the voltage sensor body 10 is assembled and needs to be connected with a cable, the connected cable is not required to be peeled, a professional connecting joint for cable installation is not required, the cable is only required to be inserted into the wiring hole 42, the copper needle 43 is inserted into a copper wire in the cable, so that the electric connection between the cable and the voltage sensor body 10 can be completed, after the cable is inserted, the extrusion block 46 is extruded by the extrusion head 45 only through rotating the extrusion head 45 through threads, so that the elastic connecting sheet 44 is bent, the extrusion block 46 is tightened to clamp and fix the cable, so that the whole cable assembly process is also convenient and quick, and the anti-falling elastic sheet 47 can be embedded into the skin of the connected cable when the cable is fixed, so that the barb effect can be formed, and the cable can be further prevented from falling off, and the device monitors the voltage signal of the equipment in real time through the voltage sensor body 10 when in use, when the abnormal high voltage is detected, an electric signal is transmitted to the control box 52, at the moment, the control box 52 controls the motor 54 to be turned on to dissipate heat in time when the high voltage of the equipment does not generate heat, therefore, the service life of the equipment can be prolonged, the cable in the equipment can be prevented from being aged by heat, when heat dissipation is needed, the control box 52 can control the electromagnet 63 to be electrified, so that the electromagnet 63 can adsorb the iron sheet 64 in the rotating plate 62, the rotating plate 62 can rotate clockwise, thereby leading the air duct to be conducted so as to conveniently radiate heat, when the heat radiation is not needed, the electromagnet 63 is powered off, the rotating plate 62 can automatically reset under the action of the torsion spring and is staggered with the fixed plate 61 to block the air duct, thereby can prevent effectively that dust debris from entering into the inside damage that leads to inside components and parts of switch board 200.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (10)

1. An embedded voltage sensor with uniform electric field distribution, comprising: the device comprises a voltage sensor body, a passive mounting mechanism, an active mounting mechanism and a wiring mechanism for conveniently and quickly connecting an external cable; the passive mounting mechanism is arranged in the power distribution cabinet; the active mounting mechanism is arranged on the voltage sensor body; the wiring mechanism is fixedly arranged at the lower end of the voltage sensor body; it is characterized in that the preparation method is characterized in that,

the passive mounting mechanism includes: the clamping groove is used for limiting, installing and fixing;

the slot is formed in the power distribution cabinet; the clamping grooves are arranged on two sides inside the slot;

the active mounting mechanism includes: the device comprises an insertion block, a sliding groove, a sliding block, a clamping block, a transmission rod, a button, a first magnet, a second magnet and a spring for resetting;

the insertion block is fixedly arranged on the voltage sensor body; the sliding groove is arranged in the plug block; the sliding blocks are movably clamped and arranged on two sides of the surface of the sliding chute; the clamping block is fixedly arranged on the sliding block; the transmission rod is movably inserted into the upper end of the insertion block; the button is fixedly arranged at the upper end of the transmission rod; the first magnet is fixedly arranged at the lower end of the transmission rod; the second magnet is fixedly arranged at the upper end of the sliding block; the number of the springs is two, the springs are arranged between the sliding blocks in the sliding grooves, and the springs are sleeved on the surface of the outer side plate of the transmission rod;

the wiring mechanism includes: the cable fixing device comprises a binding post, a wiring hole, a copper pin, an elastic connecting sheet, an extrusion head and an extrusion block for extruding a cable to fix; the wiring terminal is fixedly arranged below the voltage sensor body; the wiring hole is arranged in the wiring terminal; the copper pin is fixedly arranged in the wiring hole; the copper needle is electrically connected with the voltage sensor body; the elastic connecting sheet is fixedly arranged at the lower end of the binding post; the extrusion head is movably screwed on the outer side surface of the wiring terminal through threads; the extrusion block is fixedly arranged below the elastic connecting sheet.

2. The embedded voltage sensor of claim 1, wherein the embedded voltage sensor has a uniform electric field distribution,

the first magnet and the second magnet are close to the magnetic poles which are opposite.

3. The embedded voltage sensor of claim 1, wherein the embedded voltage sensor has a uniform electric field distribution,

the wiring mechanism also comprises an anti-falling elastic sheet for preventing the inserted and connected cable from falling off; the anti-falling elastic piece is fixedly arranged on the outer side surface of the extrusion block.

4. The embedded voltage sensor of claim 1, wherein the embedded voltage sensor has a uniform electric field distribution,

the embedded voltage sensor with the uniformly distributed electric field further comprises a heat dissipation mechanism for dissipating heat of the whole device; the heat dissipation mechanism includes: the box door, the control box, the fixed frame, the motor and the blade are used for stirring the airflow to accelerate the airflow;

the box door is movably arranged on the power distribution cabinet through a hinge; the control box is fixedly arranged in the power distribution cabinet; the fixed frame is arranged in the middle of the box door; the motor is fixedly arranged in the fixed frame through a mounting seat; the blades are fixedly arranged at the output shaft end of the motor through a coupler.

5. The embedded voltage sensor of claim 4, wherein the embedded voltage sensor has a uniform electric field distribution,

the control box is electrically connected with the voltage sensor body, and the control box is electrically connected with the motor.

6. The embedded voltage sensor of claim 4, wherein the embedded voltage sensor has a uniform electric field distribution,

the embedded voltage sensor with the uniformly distributed electric field further comprises a blocking mechanism for hermetically preventing dust from entering the device under the non-heat-dissipation condition; the plugging mechanism comprises: the device comprises a fixed plate, a rotating plate, an electromagnet and an iron sheet;

the fixing plate is fixedly arranged outside the fixing frame; the rotating plate is movably arranged on the outer side surface of the fixed plate through a rotating shaft; the electromagnet is fixedly arranged in the fixed plate; the iron sheet is fixedly arranged in the rotating plate; the electromagnet is electrically connected with the control box.

7. The embedded voltage sensor of claim 6, wherein the embedded voltage sensor has a uniform electric field distribution,

and a torsion spring for driving the rotating plate to rotate and reset is arranged on the rotating shaft where the rotating plate is located.

8. The embedded voltage sensor of claim 1, wherein the embedded voltage sensor has a uniform electric field distribution,

and four corners of the outer side surface of the power distribution cabinet are fixedly provided with fixing blocks for fixed installation.

9. The embedded voltage sensor of claim 1, wherein the embedded voltage sensor has a uniform electric field distribution,

the outer side surface of the extrusion block is attached to the inner side wall of the extrusion head.

10. The embedded voltage sensor of claim 4, wherein the embedded voltage sensor has a uniform electric field distribution,

and the outer side surface of the box door is fixedly provided with a visible glass window at the upper end of the fixed frame.

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