CN111613488A

CN111613488A - Portable remote electric switching-on device

Info

Publication number: CN111613488A
Application number: CN202010409915.3A
Authority: CN
Inventors: 孙新杰; 钱伟; 王星星; 孙亚男; 乔薇
Original assignee: State Grid Corp of China SGCC; Maintenance Branch of State Grid Hebei Electric Power Co Ltd
Current assignee: State Grid Corp of China SGCC; Maintenance Branch of State Grid Hebei Electric Power Co Ltd
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2020-09-01

Abstract

The invention relates to a portable remote electric switching-on device, which comprises an air switch, an electric switching-on device and a leakage protector resetting device, wherein the air switch is connected with the electric switching-on device; after the brake is switched off, the leakage protector resetting device resets the leakage protector button firstly, and then the electric switching-on device switches on the manual switch. The automatic closing device has the advantages that the risk of electric shock of an operator is avoided and the safety problem is solved.

Description

Portable remote electric switching-on device

Technical Field

The invention relates to the field of power device maintenance, in particular to a portable remote electric switching-on device.

Background

At present, domestic power supply network terminal actuating mechanisms are generally small molded case circuit breakers, most of which only have the functions of short circuit, overload or leakage automatic tripping protection, but do not have the functions of remote control on switching-off and switching-on. However, with the development that only low-voltage networked power distribution is available in China and the requirement of an intelligent power distribution system for full current selective protection of a power supply network, a terminal actuating mechanism with a remote control opening and closing function is urgently needed to be matched with a circuit breaker for use.

In the work of a transformer substation, an air switch is frequently switched on to carry out power transmission operation in a low-voltage alternating current-direct current system, at present, a power transmitter is powered by a hand in a short distance, and at the moment, if a power transmission loop is in a wiring problem, a problem exists in the air switch or even a load fault occurs, the air switch for power transmission is tripped to generate sparks, so that the human body or human eyes are damaged, and the danger is higher in the first switching-on process. And the transformer substation overhauls the installation air switch earth leakage protector in the power box, needs the staff periodic test, owing to install in the open air and along with the increase of operating time, the relatively poor earth leakage protector of quality ages seriously, has the short circuit to discharge and injures people's risk among the test procedure.

Disclosure of Invention

The invention aims to provide a portable remote electric control closing device which is simple in structure, convenient to use and safe in protection.

During power transmission and distribution, the brake can be frequently broken due to various accidental conditions, and in order to facilitate remote switching, a portable remote electric switching device is specially arranged and comprises an electric switching device and a leakage protector resetting device; and the air switch is provided with a manual switch and an electric leakage protection button.

The electric closing device includes: the air switch comprises a U-shaped elastic support fixedly connected with two sides of the air switch, a manual switch support fixedly connected with the U-shaped elastic support, a first shaft rotatably connected with the manual switch support, a cam fixedly connected with the first shaft, and a first motor fixedly connected with the outer surface of the U-shaped elastic support, wherein an output shaft of the first motor is fixedly connected with the first shaft.

Further, the earth leakage protector resetting device comprises: the guide sleeve is fixedly connected with the inner surface of the U-shaped elastic support, the guide post is connected with the guide sleeve in a sliding mode, and the power device is used for providing power for the guide post.

Further, a rack is arranged on the guide post; the power device comprises a gear arranged on the guide sleeve and a second motor fixedly connected with the guide sleeve, an output shaft of the second motor is fixedly connected with the gear, and the gear is meshed with the rack.

Furthermore, the U-shaped elastic support comprises an elastic body and a pressure rod fixedly connected with the outer surface of the opening end of the elastic body.

Furthermore, the pressure lever is a telescopic rod.

Furthermore, the inner surface of the elastic body is provided with a friction-resistant layer, and the friction-resistant layer is provided with a boss.

Further, the boss is in a grid shape.

Further, the cam is made of an insulating material; the guide post is made of insulating materials.

Furthermore, an elastic rubber cap is arranged at the end part of the guide post, which is contacted with the leakage protector.

Further, the electric switching-on device also comprises a controller and a proximity switch, wherein the proximity switch is fixedly connected with the U-shaped elastic support; the controller is fixedly connected with the outer side of the U-shaped elastic support; a communication module is arranged in the controller; the first motor and the proximity switch are respectively and electrically connected with a controller.

Furthermore, the resetting device of the leakage protector further comprises a displacement sensor arranged on the guide sleeve, and the displacement sensor and the second motor are respectively and electrically connected with the controller.

Further, the lug boss gradually rises along the opening end of the U-shaped elastic support towards the closed end.

The working process of the device is as follows:

when the air switch is switched off, the leakage protector button of the air switch automatically pops up, and meanwhile, the manual switch falls down.

The method comprises the steps that firstly, a proximity switch detects a switch-off signal of a manual switch and feeds the switch-off signal back to a controller, a communication module of the controller sends a signal to a mobile terminal of an inspection worker, the inspection worker sends a switch-on instruction after judging, the controller sends a signal to a second motor to control the second motor to rotate, the second motor drives a gear, a guide pillar of a gear driving rack presses a leakage protection button to reset the leakage protection button, the leakage protection button is prevented from being damaged by pressing when the guide pillar moves forwards, a displacement sensor is arranged on the guide pillar, the second motor stops moving forwards after the guide pillar moves forwards to a set position, the second motor rotates reversely at the moment, the guide pillar is driven to return to an initial position through the gear, and the controller sends a signal to the mobile terminal through the communication module after resetting.

And secondly, the controller sends a signal to the first motor, the first motor drives the cam on the first shaft to rotate, the cam closes the manual switch, the first motor returns to the initial position under the control of the controller after closing, and the controller transmits a closing signal of the manual switch 2 to the mobile terminal of an operator through the communication module after resetting.

The portable remote electric switching-on device provided by the invention has the beneficial effects that:

1. when the air switch is switched off, the leakage protector of the air switch automatically pops up; the proximity switch detects manual switch signal of breaking down the floodgate, feeds back to the controller, and the communication module of controller gives the mobile terminal signals of patrolling and examining personnel, and the measurement personnel is through judging the back, give the instruction, and the controller gives second motor signal, controls second motor rotating gear, and the guide pillar of gear drive belt rack resets earth-leakage protector, prevents to crush earth-leakage protector when the guide pillar gos forward set up displacement sensor on the guide pillar, with the guide pillar advance to the set position after, the second motor stops to go forward to the initial position. The controller sends a signal to the first motor, the first motor drives the cam on the first shaft to rotate, and the cam closes the manual switch. The device has the advantages of simple structure, convenient processing and accurate control, avoids the risk of electric shock of operators through the automatic closing device, and solves the safety problem.

2. The elastic body of the U-shaped elastic support is made of elastic materials, and the elastic materials can deform when being acted by external force and return to the original state after the action of the external force is finished. The use articulates the telescopic link on the elastomer to the bottom of elastomer is the fulcrum, utilizes lever principle can open the open end of elastomer, and the joint is in air switch's shell both sides well, conveniently carries and uses. The elastic material of the invention adopts sus304 stainless steel, which is also a common material for manufacturing springs. Has good corrosion resistance, heat resistance, low-temperature strength and mechanical properties. Is suitable for processing, storing and transporting food. Has good processing property and weldability.

3. The elastic body wear-resistant layer is provided with the lug boss, so that the friction force of the elastic body on the air switch is increased, and the stability of the device is kept.

4. The elastic rubber cap is arranged at the end part of the guide post, which is contacted with the leakage protector, so that the leakage protector is prevented from being damaged easily due to the hard contact between the end part of the guide post and the leakage protector.

5. The telescopic rod can be freely stretched and retracted in length, the occupied space is small, the force arm can be increased when the telescopic rod is used after being stretched, and the elastic body can be opened by using small force.

Drawings

FIG. 1 is a front view of the present invention.

FIG. 2 is a schematic top view of the structure of the present invention.

Fig. 3 is a schematic left side view of the structure of the present invention.

FIG. 4 is a schematic view of the structure of the elastomer stent of the present invention.

Fig. 5 is a partially enlarged view of a portion a of fig. 4.

Fig. 6 is a schematic view of the structure of fig. 4 in the direction B.

Fig. 7 is a schematic structural diagram of embodiment 3 of the present invention.

FIG. 8 is a schematic view of the structure of the guide post of the present invention.

In the drawings: the device comprises a 1-air switch, a 2-manual switch, a 3-cam, a 4-first shaft, a 5-U-shaped elastic support, a 6-first motor, a 7-manual switch support, an 8-leakage protector button, a 9-guide post, a 90-elastic rubber cap, a 10-gear, a 11-guide sleeve, a 14-second motor, a 15-controller, a 16-displacement sensor, a 17-proximity switch, a 20-cylinder, a 21-pressure head, a 50-pressure rod, a 51-elastic body and a 52-boss.

Detailed Description

It should be noted at the outset that the discussion of any embodiment of the present invention is illustrative only and is not intended to suggest that the scope of the present disclosure (including the claims) is limited to these examples; there are many other variations of the different aspects of the invention as described above which are not provided in detail for the sake of brevity. Accordingly, other embodiments are within the scope of the following claims.

In addition, the drawings in the following description are only preferred embodiments of the present invention, and it is obvious to those skilled in the art that other drawings can be obtained based on the drawings without inventive efforts. In addition, the present invention is not limited to these embodiments, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Furthermore, in the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, but the present application may be practiced in other ways than those described herein, and it will be apparent to those of ordinary skill in the art that the present application is not limited by the specific embodiments disclosed below.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., is typically an orientation or positional relationship based on a coordinate system shown in the front view of the device itself or the corresponding sub-component, and that the set of coordinate systems will not rotate with it when other directional views are discussed. In addition, in the case of a rod-like or elongated member, the term "front end" and the term "head" have the same meaning, and the term "rear end" and the term "tail end" and the term "end" have the same meaning. Rather, the foregoing directional terms are used merely to facilitate describing the present application and to simplify the description, and they do not indicate or imply that the apparatus or component being referred to must have a particular orientation or be constructed and operated in a particular orientation without having been stated to the contrary or otherwise specified, and therefore should not be considered limiting of the scope of the present application; further, the terms "inner and outer" with respect to orientation refer to the inner and outer relative to the profile of the respective component itself.

Furthermore, spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", etc. are used to define the components, and are only used to facilitate distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, especially, have no special meaning in "main, secondary" or arrangement order, and therefore, should not be construed as limiting the scope of the present application.

The opening end of the U-shaped elastic support in the invention refers to the end of the U-shaped elastic support, which is contacted with the air switch. The closed end of the U-shaped elastic bracket refers to the end opposite to the open end.

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Example 1

As shown in fig. 1 to 6, a portable remote electric switching-on device includes an air switch 1, an electric switching-on device, and a leakage protector resetting device;

the air switch 1 is also provided with a manual switch 2 and a leakage protection button 8; the electric closing device includes: the U-shaped elastic bracket 5 is fixedly connected with two sides of the air switch 1; the manual switch bracket 7 is fixedly connected with the first end of the U-shaped elastic bracket 5; a first shaft 4 with one end rotatably connected with the manual switch bracket 7; the cam 3 is fixedly connected with the middle part of the first shaft 4; and the first motor 6 is fixedly connected with the other end of the first shaft 4.

The electric closing apparatus further includes a controller 15 and a proximity switch 17.

The proximity switch 17 is fixedly connected with the U-shaped elastic support 5.

The controller 15 is fixedly connected with the outer side of the U-shaped elastic support 5.

The controller 15 is internally provided with a communication module.

The first motor 6 and the proximity switch 17 are electrically connected to the controller 15, respectively.

The earth leakage protector resetting means includes: the guide sleeve 11 is fixedly connected with the inner surface of the U-shaped elastic bracket 5, the guide post 9 is connected with the inner part of the guide sleeve 11 in a sliding way, and the power device is used for providing power for the guide post 9. A rack is arranged on the guide post 9; the opening of the guide sleeve 11 faces the opening end of the U-shaped elastic support 5.

The power device comprises a gear arranged on the guide sleeve 11 and a second motor 14 fixedly connected with the guide sleeve 11, an output shaft of the second motor 14 is fixedly connected with the gear, and the gear is meshed with the rack.

In order to ensure the electrical safety, the cam 3 and the guide post 9 are made of insulating rigid materials.

In order to control the accuracy and avoid the leakage protector button from being crushed by the guide post 9, the leakage protector resetting device further comprises a displacement sensor 16 arranged on the guide sleeve 11.

The displacement sensor 16 and the second motor 14 are electrically connected to a controller 15.

The displacement sensor 16 adopted by the invention is 5000KLJ-G series of high-precision laser 2D displacement sensors of the Kenzhi brand, and the LJ-G series can accurately measure the contour of the surface of an object in the X and Z directions. The height, width and gap on the surface profile can be measured through 28 measurement modes, the measurement can be simultaneously carried out on 8 points, and the E3-CMOS image sensor provides a stable measurement connection system, so that the highest sampling speed in the same class can be realized, and the sampling speed can reach 3.8 ms. The high-speed sampling speed of 3.8ms can also reach the high precision of 0.1 percent; the possibility that the guide post crushes the leakage protector is avoided.

The U-shaped elastic bracket 5 comprises an elastic body 51 and a pressure lever 50 hinged with the outer surface of the elastic body 51. The compression bar 50 is a telescopic bar, the inner surface of the elastic body 51 is provided with a friction-resistant layer, and the friction-resistant layer is provided with a boss 52. The lug boss is in a grid shape.

The wear-resistant layer of the elastic body 51 is provided with the boss 52, so as to increase the friction force of the elastic body 51 on the air switch 1 and maintain the stability of the device.

The boss 52 gradually rises along the open end of the U-shaped elastic support 5 toward the closed end. In order to avoid the situation that the elastic body 51 is not perpendicular to the two sides of the clamped air switch 1, so that the friction force between the friction layer and the air switch shell is insufficient, the lug boss 52 is designed to be gradually raised, so that the contact area between the lug boss part and the air switch can be increased, and the U-shaped elastic support 51 is kept stable.

The inner surface of the elastomer is coated with a friction-resistant layer, and the material is a friction layer material and comprises the following raw material components in parts by weight: 100 parts of ceramic wear-resistant material, 20-90 parts of high-temperature-resistant thermoplastic polymer, 1-10 parts of carbon fiber, 1-10 parts of aramid fiber, 1-10 parts of metal fiber, 1-20 parts of friction regulator, 0.1-1.0 part of graphene, 0.5-1.0 part of coupling agent and 20-80 parts of filler. The material has the advantages that: the elastomer friction-resistant layer prepared from the friction layer material has the advantages of light specific gravity, good heat conductivity, heat resistance and wear resistance, stable friction coefficient, long service life and low cost.

The elastic material of the elastic body 51 of the present invention is sus304 stainless steel, which is also a common material for making springs. Has good corrosion resistance, heat resistance, low-temperature strength and mechanical properties. Is suitable for processing, storing and transporting food. Has good processing property and weldability.

The length of the telescopic rod 50 can be freely extended and retracted, the occupied space is small, the force arm can be increased when the telescopic rod 50 is extended, and the elastic body 51 can be opened by using small force.

The device comprises the following working steps:

when the air switch is switched off, the leakage protector button 8 of the air switch automatically pops up, and meanwhile, the manual switch 2 falls down.

Firstly, the proximity switch 7 detects a brake-off signal of the manual switch 2 and feeds the signal back to the controller 15, a communication module of the controller 15 sends a signal to a mobile terminal of an inspector, the inspector sends a switch-on instruction after judgment, the controller 15 sends a signal to the second motor 14 to control the second motor 14 to rotate, the second motor 14 drives the gear 10, the gear 10 drives the guide post 9 of the rack to press the earth leakage protection button 8 to reset the earth leakage protector 8, the earth leakage protector button 8 is prevented from being damaged by pressing when the guide post 9 moves forward, the guide sleeve 11 is provided with the displacement sensor 16, the guide post 9 moves forward to a set position, the second motor 14 stops moving forward, at the moment, the second motor 14 rotates reversely, the guide post 9 is driven to return to an initial position through the gear 10, and the controller 15 sends a signal to the mobile terminal through the communication module after resetting.

And secondly, the controller 15 sends a signal to the first motor 6, the first motor 6 drives the cam 3 on the first shaft 4 to rotate, the cam 3 switches on the manual switch 2, the first motor 6 returns to the initial position under the control of the controller 15 after switching on, and the controller 15 transmits a switching-on signal of the manual switch 2 to a mobile terminal of an operator through the communication module after resetting.

According to the invention, through remote automatic switching-on, an operator does not need to manually switch on, the risk of personal electric shock or spark burn is reduced, the risk of mistakenly touching live equipment is reduced, and the test and power transmission safety is improved.

Example 2

The embodiment relates to a portable remote electric switching-on device, which is the same as the embodiment 1 and comprises an air switch 1, an electric switching-on device and a leakage protector resetting device; the air switch 1 is also provided with a manual switch 2 and a leakage protection button 8.

The electric closing device includes: the air switch comprises a U-shaped elastic support 5 fixedly connected with two sides of the air switch 1, a manual switch support 7 fixedly connected with a first end of the U-shaped elastic support 5, a first shaft 4 with one end rotatably connected with the manual switch support 7, a cam 3 fixedly connected with the other end of the first shaft 4, and a first motor 6 fixedly connected with the outer surface of the U-shaped elastic support 5, wherein an output shaft of the first motor 6 is fixedly connected with the first shaft; the electric closing apparatus further includes a controller 15 and a proximity switch 17.

The controller 15 is internally provided with a communication module.

The earth leakage protector resetting means includes: a guide sleeve 11 fixedly connected with the U-shaped elastic bracket 5 and a guide post 9 connected with the inside of the guide sleeve 11 in a sliding manner; the opening of the guide sleeve 11 faces the opening end of the U-shaped elastic support 5, and a rack is arranged on the guide post 9.

The resetting device of the leakage protector further comprises a gear 10 arranged on the guide sleeve 11 and a second motor 14 fixedly connected with the guide sleeve 11. The gear 10 is engaged with the rack.

The resetting device of the leakage protector further comprises a displacement sensor 16 arranged on the guide sleeve, and the displacement sensor 16 and the second motor 14 are respectively and electrically connected with a controller 15.

Compared with the embodiment 1, the embodiment is further improved in that: the outer surface of the cam 3 is coated with a layer of insulating rubber, the layer of insulating rubber has elasticity, and the cam 3 is prevented from being used for a long time to damage the manual switch 2 when the switch is switched on; the head of the guide post 9, which is in contact with the leakage protection button, is coated with a layer of insulating rubber, so that the leakage protection button is prevented from being damaged and abraded by the rigid guide post when being reset; after the cam 2 and the guide post 9 are worn by the rubber layer after long-term use, the rubber layer can be coated again for repeated use, so that the material is saved, and the waste is avoided.

Example 3

As shown in fig. 7:

the present embodiment relates to a portable remote electric closing device, and the present embodiment is the same as embodiment 1, and includes: the electric switching-on device and the leakage protector resetting device; the air switch 1 is also provided with a manual switch 2 and a leakage protection button 8.

The electric closing device includes: the air switch comprises a U-shaped elastic support 5 fixedly connected with two sides of the air switch 1, a manual switch support 7 fixedly connected with the U-shaped elastic support 5, a first shaft 4 rotatably connected with the manual switch support 7, a cam 3 fixedly connected with the first shaft 4, and a first motor 6 fixedly connected with the outer surface of the U-shaped elastic support 5, wherein an output shaft of the first motor 6 is fixedly connected with the first shaft 4; the electric closing apparatus further includes a controller 15 and a proximity switch 17.

The controller 15 is fixedly connected with the outer side of the manual switch bracket 7.

The controller 15 is internally provided with a communication module.

The earth leakage protector resetting means includes: the guide sleeve 11 is fixedly connected with the inner surface of the U-shaped elastic bracket 5, the guide post 9 is connected with the guide sleeve 11 in a sliding mode, and the power device provides power for the guide post 9. The guide post 9 slides inside the guide sleeve 11; the opening of the guide sleeve 11 faces the opening end of the U-shaped elastic support 5, and a rack is arranged on the guide post 9.

The power device comprises a gear 10 arranged on the guide sleeve 11 and a second motor 14 fixedly connected with the guide sleeve 11. An output shaft of the second motor 14 is fixedly connected with the gear 10, and the gear 10 is meshed with the rack.

The embodiment is further improved in that: the guide post 9, the gear 10 and the second motor 14 are replaced by a cylinder 20 and a ram 21.

The cylinder 20 of the device adopts a speed-adjustable cylinder, and the speed-adjustable cylinder adjusts the gas flow to achieve the effect of controlling the speed of the cylinder through a speed-adjusting joint arranged at the position of an air inlet and an air outlet of the cylinder. The damage to the leakage protector caused by too high speed is avoided.

The working process is as follows:

Firstly, a proximity switch 7 detects a brake-off signal of the manual switch 2 and feeds the brake-off signal back to a controller 15, a communication module of the controller 15 sends a signal to a mobile terminal of an inspector, the inspector sends a closing instruction after judgment, the controller 15 sends a signal to a cylinder 20, the cylinder 20 is a speed-regulating cylinder, the speed is regulated as required, the damage to a button 8 of the leakage protector is avoided, the cylinder 20 drives a pressure head 21, the pressure head 21 presses the leakage protection button 8, and the leakage protector 8 is reset; when the pressure head 21 advances, the leakage protector button 8 is prevented from being damaged by pressing, the guide sleeve 11 is provided with the displacement sensor 16, after the pressure head 21 advances to a set position, the air cylinder 20 stops advancing, at the moment, the air cylinder 20 releases pressure and returns, the pressure head 21 returns to an initial position, and after resetting, the controller 15 sends a signal to the mobile terminal through the communication module.

The closing operation of the cam 3 is the same as in embodiment 1.

Example 4

As shown in fig. 8:

The electric closing device includes: the electronic switching-on device comprises a U-shaped elastic support 5 fixedly connected with two sides of an air switch 1, a manual switch support 7 fixedly connected with the U-shaped elastic support 5, a first shaft 4 rotatably connected with the manual switch support 7, a cam 3 fixedly connected with the first shaft 4, and a first motor 6 fixedly connected with the outer surface of the U-shaped elastic support 5, and further comprises a controller 15 and a proximity switch 17.

The controller 15 is internally provided with a communication module.

The earth leakage protector resetting means includes: a guide sleeve 11 fixedly connected with the inner surface of the U-shaped elastic bracket 5 and a guide post 9 connected with the guide sleeve 11 in a sliding way. The guide post 9 slides in the guide sleeve 11, and a rack is arranged on the guide post 9.

The resetting device of the leakage protector further comprises a gear 10 arranged on the guide sleeve 11 and a second motor 14 fixedly connected with the guide sleeve 11. The output shaft of the second motor is fixedly connected with the gear 10, and the gear 10 is meshed with the rack.

The structure of the embodiment and the embodiment 1 is further improved in that: the elastic rubber cap 90 is arranged at the end part of the guide post 9 contacting with the earth leakage protector, so as to avoid hard contact between the end part of the guide post 9 and the earth leakage protector button 8. If the elastic cap 90 is not provided, the leakage protector button is easily damaged when the guide post 9 resets the leakage protector button.

The operation of this embodiment is the same as that of embodiment 1, and will not be described here.

Claims

1. The utility model provides a portable long-range electronic closing device which characterized in that: the leakage protector reset device comprises an electric switching-on device and a leakage protector reset device;

the electric closing device includes: the air switch comprises a U-shaped elastic support (5) fixedly connected with two sides of the air switch, a manual switch support (7) fixedly connected with the side surface of the U-shaped elastic support (5), a first shaft (4) rotatably connected with the manual switch support (7), a cam (3) fixedly connected with the first shaft (4), and a first motor (6) fixedly connected with the outer surface of the U-shaped elastic support (5); the output shaft of the first motor (6) is fixedly connected with the first shaft (4).

2. The portable remote electric closing device according to claim 1, wherein: the earth leakage protector resetting means includes: the guide sleeve (11) is fixedly connected with the U-shaped elastic bracket (5), the guide post (9) is in sliding connection with the guide sleeve (11), and the power device is used for providing power for the guide post (9); the opening of the guide sleeve (11) faces the opening end of the U-shaped elastic support (5).

3. The portable remote electric closing device according to claim 2, wherein: a rack is arranged on the guide post (9); the power device comprises a gear (10) arranged on the guide sleeve (11) and a second motor (14) fixedly connected with the guide sleeve (11), and an output shaft of the motor (14) is fixedly connected with the gear (10); the gear (10) is meshed with the rack.

4. The portable remote electric closing device according to claim 1, wherein: the U-shaped elastic support (5) comprises an elastic body (51) and a pressure lever (50) fixedly connected with the outer surface of the elastic body (51).

5. The portable remote electric closing device according to claim 4, wherein: the pressure lever (50) is a telescopic lever.

6. The portable remote electric closing device according to claim 4, wherein: the inner surface of the elastic body (51) is provided with a friction-resistant layer, and the friction-resistant layer is provided with a boss (52).

7. The portable remote electric closing device according to claim 6, wherein: the bosses (52) are distributed in a grid shape.

8. The portable remote electric closing device according to claim 2, wherein: the guide post (9) is made of insulating materials; the cam (3) is made of insulating materials.

9. The portable remote electric closing device according to claim 8, wherein: and an elastic rubber cap (90) is arranged at the end part of the guide post (9) contacting with the leakage protector.

10. The portable remote electric closing device according to claim 6, wherein: the lug boss (52) is gradually raised from the opening end to the closed end of the U-shaped elastic bracket (5).