CN112098822A - Residual current operated circuit breaker is with going up electric detection device - Google Patents

Abstract

The invention relates to a power-on detection device for a residual current operated circuit breaker. The power-on detection device comprises a worktable, a guide mounting frame is arranged on the worktable, and an insulating lifting member is guided and installed on the guide mounting frame in an up-down direction. There are conductive parts extending up and down on the parts, and the lower ends of the conductive parts are used to abut on the incoming terminal; the lifting stroke of the insulating lifting parts has a power-on detection position and a placement position; the power-on detection device also includes a drive A limiter that can be movably installed or detachably installed on a spring, a workbench or a guide mounting frame, which includes a limit state and an avoidance state. When in the limit state, the limiter can overcome the elastic force of the driving spring to limit the insulating lifting member. The position is kept in the placement position, and in the avoidance state, the limiting member avoids the insulating lifting member; the power-on detection device further includes an operating member that is connected to the insulating lifting member to control the insulating lifting member. Moving up and down.

Description

A power-on detection device for residual current operated circuit breaker

technical field

The invention relates to a power-on detection device for a residual current operated circuit breaker.

Background technique

Residual current operated circuit breakers, also known as leakage switches, can quickly cut off the faulty power supply in a very short period of time to protect the safety of people and electrical equipment. The residual current operated circuit breaker includes four-phase incoming terminals (A-phase, B-phase, C-phase and N-phase) and four-phase outgoing terminal. Wiring on the line terminal, power-on to detect whether the display part and buttons of the residual current action circuit breaker are working normally, but at present, the external wire is connected to the incoming terminal by means of bolt tightening, the wiring process is cumbersome and the efficiency is low. It is not conducive to the batch testing of the factory.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a power-on detection device for a residual current operated circuit breaker, so as to solve the technical problem of low efficiency caused by the power-on detection after the connection using bolts is fastened in the prior art.

In order to achieve the above purpose, the technical solution of the power-on detection device for a residual current operated circuit breaker of the present invention is: a power-on detection device for a residual current operated circuit breaker, comprising:

A workbench for placing residual current operated circuit breakers;

The guide mounting frame is arranged on the worktable, and is guided and installed with an insulating lifting piece along the upper and lower directions. The insulating lifting piece is located above the workbench. The insulating lifting piece is provided with a conductive piece extending up and down, and the lower end of the conductive piece is installed. It is used to press against the incoming terminal of the residual current operated circuit breaker for power-on detection;

The lifting stroke of the insulating lifting member has a power-on detection position and a placement position. When in the power-on detection position, the conductive member is pressed against the residual current circuit breaker. When in the placement position, the conductive member and the workbench are Arranged at intervals to place the residual current operated circuit breakers to be tested on the workbench;

The power-on detection device also includes:

a driving spring for driving the insulating lifting member to move down to the power-on detection position;

The limiter, which is movably installed or detachably installed on the workbench or the guide mounting frame, includes a limit state and an avoidance state. When the limiter is in the limit state, the limiter can overcome the elastic force of the driving spring to limit the insulating lifting member. The position is kept in the placement position, and when in the avoidance state, the limiting member avoids the insulating lifting member;

The operating member is connected with the insulating lifting member to control the up and down movement of the insulating lifting member.

The beneficial effects of the present invention are: by arranging the insulating lifting member and the conductive member that move up and down, the insulating lifting member can be driven to rise and fall by the cooperation of the driving spring and the operating member, and the driving spring can exert a continuous downward elastic force on the conductive member, ensuring that The conductive parts are reliably pressed against the incoming terminal of the residual current operated circuit breaker. After the limiting piece is set, the insulating lifting piece can be temporarily limited on the placement position, so that the residual current operated circuit breaker can be placed. In the present invention, the power-on detection of the residual current operated circuit breaker is realized through the abutting cooperation of the conductive member and the incoming terminal, without manual wiring, and the detection is more convenient.

As a further optimized solution, the guide mounting frame includes two guide columns spaced along the horizontal direction;

Both ends of the insulating lifting piece are guided and assembled on the corresponding guide columns;

The limiting member is arranged on the guide column, and the limiting member is used for blocking and cooperating with the insulating lifting member to keep the insulating lifting member at the placement position.

The effect of this solution is that, by arranging two guide columns, the insulating lifting member can be smoothly raised and lowered, and the conductive member can be reliably contacted with the incoming terminal to be powered on.

As a further optimized solution, the guide column is provided with a guide groove extending in the up-down direction, and the insulating lifting member is slidably matched with the guide groove;

The position-limiting member includes mounting seats that are arranged on both sides of the two guide grooves, and further includes a blocking piece rotatably mounted on one of the mounting seats, and the other mounting seat is provided with a blocking groove with an open upper end;

The blocking piece can cooperate with the blocking groove to keep the limiting member in the limiting state, and the blocking piece can also be turned upward to make the limiting member put in the avoiding state.

The effect of this solution is that the stopper is formed by the rotating baffle and the baffle slot opened at the upper end. When the insulating lifting member moves upward, the baffle can be automatically pushed away and placed above the baffle, and the baffle will fall again by its own weight. In the return groove, the blocking of the insulating lifting piece is realized.

As a further optimized solution, the workbench includes legs and a panel arranged on the legs, and the panel is used to place the residual current operated circuit breaker;

A traction rod is fixed on the insulating lifting member, the traction rod penetrates the panel downward, the driving spring is sleeved on the traction rod, and the upper end of the driving spring is pressed against the bottom and the lower end of the panel. at the lower end of the drawbar.

The effect of this solution is that the driving spring drives the insulating lifting member to move through the downwardly extending traction rod, and the overall structure is more compact by using the space below the panel, and the height of the power-on detection device is controlled.

As a further optimized solution, the workbench includes legs and a panel arranged on the legs, and the panel is used to place the residual current operated circuit breaker;

The guide mounting frame is a door-shaped frame, and the guide mounting frame includes a guide column fixed on the workbench and a beam set on the guide column, and the two ends of the insulating lifting piece are guided and assembled on the corresponding side of the guide column. superior;

A pulley is arranged on the beam, and a traction rope is wound around the pulley. One end of the traction rope is connected with the insulating lifting member, and the other end extends downward to the bottom of the panel. the foot pedal at one end of the traction rope.

The effect of this solution is that the direction change is realized through the pulley, and the foot pedal is located under the panel, which is more convenient for the inspection personnel to operate.

As a further optimized solution, the insulating lifting member is an insulating rod;

A ring sleeve is sleeved on the outside of the insulating rod, and the conductive member is fixed on the ring sleeve.

As a further optimized solution, corresponding to the same residual current operated circuit breaker, the insulation is provided with a four-phase conductive member;

The ring sleeve is arranged on the insulating rod in an adjustable position along the extending direction of the insulating rod, so that the spacing between the four-phase conducting parts corresponding to the same residual current operated circuit breaker can be adjusted.

The effect of this solution is that, by changing the position of the ring sleeve on the insulating rod, it can be adjusted for different phase spacings of the residual current operated circuit breakers of different specifications, and the versatility is stronger.

As a further optimized solution, the insulating rod is provided with a countersunk screw hole, and the ring sleeve is provided with a connecting hole through which a screw is passed to fix the ring sleeve on the insulating rod.

As a further optimized solution, the worktable is provided with a positioning slot, and the positioning slot is adapted to be placed in the residual current operated circuit breaker.

The effect of this solution is that by setting the positioning groove, the position of the residual current operated circuit breaker can be restricted, the insertion is convenient, and the conductive member can be corresponded up and down.

As a further optimized solution, the positioning groove includes a first positioning groove, the bottom of the first positioning groove is provided with a second positioning groove, and the size of the second positioning groove is smaller than that of the first positioning groove.

The effect of this solution is that by setting two positioning grooves with different sizes, it can meet the insertion of two different sizes of residual current circuit breakers, and the versatility is stronger.

Description of drawings

FIG. 1 is a perspective view of the first embodiment of the power-on detection device for a residual current-operated circuit breaker of the present invention in use;

2 is a front view of the first embodiment of the power-on detection device for a residual current operated circuit breaker of the present invention when in use;

Fig. 3 is the schematic diagram of the guide column in Fig. 1 and Fig. 2;

Fig. 4 is the schematic diagram of insulating rod in Fig. 1 and Fig. 2;

FIG. 5 is a schematic diagram of the coordination of the insulating rod, the conductive needle and the guide column in FIG. 1;

Fig. 6 is the enlarged view of A place in Fig. 5;

FIG. 7 is a schematic diagram of the coordination of the insulating rod and the conductive needle in FIG. 1;

Fig. 8 is the top view of the workbench in Fig. 1;

Fig. 9 is the schematic diagram of B-B section in Fig. 8;

Figure 10 is an enlarged view at C in Figure 9;

Description of reference numerals: 100-workbench; 101-leg; 102-panel; 103-cross brace; 104-positioning slot; 1041-first positioning slot; 1042-second positioning slot; 200-guide mounting frame; 201 - Guide column; 202- Beam; 203- Guide slot; 300- Insulation rod; 301- Countersunk head screw hole; 401- Conductive pin; 402- Ring sleeve; 403- Fastening screw; Rope; 502-foot pedal; 503-pulley; 504-traction rod; 505-spring support ring; 506-drive spring; 600-residual current action circuit breaker; 701-first mounting seat; 703-block; 704-stop hook.

Detailed ways

In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention, that is, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. The components of the embodiments of the invention generally described and illustrated in the drawings herein may be arranged and designed in a variety of different configurations.

Thus, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present invention.

It should be noted that relational terms such as the terms "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any relationship between these entities or operations. any such actual relationship or sequence exists. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or device that includes a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus. Without further limitation, an element qualified by the phrase "comprising a..." does not preclude the presence of additional identical elements in a process, method, article or apparatus that includes the element.

The features and performances of the present invention will be further described in detail below in conjunction with the embodiments.

The specific embodiment 1 of the power-on detection device for the residual current operated circuit breaker of the present invention:

As shown in Figures 1 to 10, the power-on detection device includes a conductive member, which is connected to the power supply. When the conductive member is pressed against the incoming terminal of the residual current circuit breaker, the power-on detection of the residual current circuit breaker can be performed.

As shown in FIG. 1 and FIG. 2 , the power-on detection device includes a workbench 100 , the workbench 100 includes a panel 102 supported by four legs 101 , and the residual current circuit breaker 600 is placed on the panel 102 when in use. A guide mounting frame 200 is fixedly installed on the worktable 100 , and the guide mounting frame 200 is a door-shaped frame buckled on the worktable 100 . Top beam 202. The lower end of the guide column 201 is fixed to the panel 102 by bolts, and the cross beam 202 is fixed and installed on the top of the guide column 201 by screws. As shown in FIG. 3 , two guide columns 201 are provided with guide grooves 203 on opposite sides thereof, and the guide grooves 203 penetrate the guide columns 201 up and down.

As shown in FIG. 1 , FIG. 2 and FIG. 4 , the power-on detection device further includes an insulating lifting member, where the insulating lifting member is an insulating rod 300 , and the insulating rod 300 is a regular hexagonal rod. The distance between the two opposite sides of the insulating rod 300 is adapted to the groove width of the guide groove 203 . The above-mentioned conductive member is installed on the insulating rod 300 and moves up and down with the insulating rod 300 . In order to install the conductive member, as shown in FIG. 4 , a countersunk screw hole 301 is opened on the side surface of the insulating rod 300 .

The conductive member here is shown in FIG. 7 . The conductive member is a conductive pin 401 . The conductive pin 401 has a sheet-like structure with a tapered tip at the lower end, which is used to abut against the incoming terminal of the residual current operated circuit breaker 600 to conduct electricity. The outer adapter sleeve of the insulating rod 300 is provided with a ring sleeve 402. The ring sleeve 402 is a hexagonal sleeve body. A hole is opened on the ring sleeve 402. on the insulating rod 300. A stud is also fixed on the ring sleeve 402, and the stud penetrates the conductive needle 401 and is fastened and installed by a nut. A power supply wire 404 is installed on the upper end of the conductive needle 401 through a nut.

As shown in FIG. 5 , corresponding to each residual current operated circuit breaker 600, there are four-phase conductive pins 401, which are A-phase, B-phase, C-phase and N-phase respectively. The distance between the incoming line terminals of each phase is different. In order to meet the detection of the residual current operated circuit breaker 600 of different specifications, corresponding to the same phase incoming line terminal of the same residual current operated circuit breaker 600 is provided on the insulating rod 300. At least two countersunk head screw holes 301 .

As shown in FIG. 5 , in this embodiment, four residual current operated circuit breakers 600 are used as an example for illustration. The insulating rod 300 drives four groups of conductive pins 401 to move up and down at the same time, and the guiding column 201 moves the insulating rod 300 guide.

In this embodiment, in order to operate the insulating rod 300 to move up and down, as shown in FIG. 1 and FIG. 2 , two pulleys 503 are arranged on the beam 202 , and a traction rope 501 is wound around the pulleys 503 , and the traction rope 501 One end of the cable is fixedly connected to the insulating rod 300. Specifically, a fixing sleeve is sleeved on the insulating rod 300, and the traction rope 501 is connected to the fixing sleeve. The other ends of the two traction ropes 501 extend downward, and the ends are connected to the footboard 502 . In order to guide and restrict the traction rope 501, as shown in FIG. 1 and FIG. 2, the workbench 100 further includes a cross brace 103 fixed between the two legs 101, the cross brace 103 is located under the panel 102, and the traction rope 501 penetrates through The cross brace 103 and the footrest 502 are located below the panel 102 .

As shown in FIGS. 1 and 2 , in order to exert downward force on the insulating rod 300 , three pulling rods 504 are fixedly installed on the insulating rod 300 , and the pulling rods 504 are evenly spaced along the insulating rod 300 . The upper end of the traction rod 504 is fixed on the insulating rod 300, and the lower end penetrates the panel 102 and then extends downward. The lower end of the traction rod 504 is fixed with a pressure cap, and the traction rod 504 is sequentially sheathed with a driving spring 506 and a spring support ring 505 from top to bottom. The upper end of the driving spring 506 rests on the bottom of the panel 102, and the lower end rests on the spring support ring 505, which exerts downward elastic force on the pulling rod 504, and can drive the insulating rod 300 and the conductive pins 401 on the insulating rod 300 to move downward.

In use, the inspector drives the insulating rod 300 to move upward by stepping on the foot pedal 502, and drives the insulating rod 300 to move downward through the driving spring 506. During the movement, the guiding column 201 guides the insulating rod 300. After the insulating rod 300 drives the conductive needle 401 to move upward, the inspector places the residual current operated circuit breaker 600 on the panel 102 . In order to keep the insulating rod 300 in this position so that the residual current operated circuit breaker 600 can be placed, as shown in FIG. 5 and FIG. The stop and cooperation are used to realize the limit of the insulating rod 300 . The limiting member includes a first mounting seat 701 and a second mounting seat 702 , the first mounting seat 701 and the second mounting seat 702 are respectively arranged on both sides of the guide groove 203 , and a baffle 703 is rotatably mounted on the second mounting seat 702 , a blocking hook 704 is fixedly installed on the first mounting seat 701 , and the blocking hook 704 and the first mounting seat 701 together form a limiting groove with an upward opening. When the insulating rod 300 is located above the blocking piece 703 and the blocking piece 703 is swung into the limiting groove, the blocking piece 703 can prevent the insulating rod 300 from moving down. When the insulating rod 300 moves upward from the bottom of the blocking piece 703 , the blocking piece 703 can be pushed to swing, thereby avoiding the insulating rod 300 .

As shown in FIG. 8 to FIG. 10 , in order to position the residual current operated circuit breaker 600 on the panel 102, a positioning slot 104 is opened on the panel 102, and the residual current operated circuit breaker 600 is fitted and placed in the positioning groove 104 to realize positioning . In order to accommodate the residual current operated circuit breakers 600 of two different sizes, the positioning slot 104 includes a first positioning slot 1041, and a second positioning slot 1042 is opened at the bottom of the first positioning slot 1041. The size of the first positioning slot 1041 is larger than that of the first positioning slot 1041. The size of the second positioning groove 1042 .

When in use, first step on the foot pedal 502, lift the conductive needle 401 through the pulley 503, the insulating rod 300 pushes the blocking piece 703 to swing and move to the top of the blocking piece 703, and the blocking piece 703 swings into the blocking groove reversely under its own weight, so as to realize the insulation resistance. The limit of the rod 300. The residual current operated circuit breaker 600 is placed in the positioning slot 104, the blocking plate 703 is toggled, and the conductive needle 401 is driven downward by the driving spring 506. During the downward movement, the inspector slowly releases the foot pedal 502, and the conductive needle 401 is pressed against the incoming terminal under the action of the driving spring 506 . Power on for testing, and power off to perform the next set of testing after testing is complete.

In this embodiment, when the blocking piece 703 cooperates with the blocking groove to prevent the insulating rod 300 from moving downward, the limiting member is in the limiting state; when the blocking piece 703 is pushed upward by the insulating rod 300, or is pushed upward by the inspector , the up and down movement of the insulating rod 300 is no longer restricted, and the limiting member avoids the insulating rod 300 as a whole, and the limiting member is in an avoidance state at this time.

In this embodiment, when the insulating rod 300 drives the conductive member to move downward until the conductive member touches the incoming terminal, the power-on detection is performed. At this time, the insulating rod 300 is in the power-on detection position; when the insulating rod 300 drives the conductive member When the residual current-operated circuit breaker is moved upward and can be placed, the insulating rod 300 is in the placement position.

In this embodiment, the foot pedal 502 is operated by the inspection personnel when in use, thereby pulling the insulating rod 300 upward, and when the insulating rod 300 is driven down by the driving spring, the inspecting personnel controls the downward speed of the insulating rod 300 through the foot pedal 502, The foot pedal 502 forms an operating member capable of controlling the up and down movement of the insulating rod 300 .

The specific embodiment 2 of the power-on detection device for the residual current operated circuit breaker of the present invention:

In Embodiment 1, a positioning groove is provided on the table to position the residual current operated circuit breaker, and there are two positioning grooves at the same position. In this embodiment, only one positioning slot is set at one position of the workbench, and only a residual current operated circuit breaker of a certain specification is applicable. Alternatively, in other embodiments, the positioning slot may be cancelled, and in order to position the residual current operated circuit breaker, a structure such as a positioning block may be provided on the worktable to achieve positioning.

The specific embodiment 3 of the power-on detection device for the residual current operated circuit breaker of the present invention:

In Embodiment 1, a countersunk head screw hole is opened on the insulating rod and a ring sleeve is used to install the conductive member. In this embodiment, the countersunk head screw hole is cancelled, the top screw is threadedly installed on the ring sleeve, and the ring sleeve is installed tightly by the top screw.

The specific embodiment 4 of the power-on detection device for the residual current operated circuit breaker of the present invention:

In Embodiment 1, the insulating lifting member is an insulating rod, and the insulating rod is a hexagonal rod. In this embodiment, the insulating rod may be a square rod or the like. Alternatively, in other embodiments, the insulating lifting member may be a plate body or a block body, and protrusions are provided at both ends of the plate body or the block body to guide and cooperate with the guide column. At this time, the conductive member may be fixed on the plate body or the block body by means of screws or the like.

The specific embodiment 5 of the power-on detection device for the residual current operated circuit breaker of the present invention:

In Embodiment 1, the guide mounting frame is a door-shaped frame, and the reversing transmission is realized by setting the pulley, and the inspector drives the insulating lifting piece to move by stepping on the foot pedal. In this embodiment, the operating member is a reel, and one end of the traction rope is fixed on the reel, and the up and down movement of the insulating lifting member is controlled by the rotation of the reel.

The specific embodiment 6 of the power-on detection device for the residual current operated circuit breaker of the present invention:

In Embodiment 1, the insulating lifting member is driven to move by the traction rope. In this embodiment, a pull rod is fixedly installed on the insulating lifting member, the upper end of the pulling rod is pierced through the door-shaped frame, and the insulating lifting member is driven to move up and down by pulling the pulling rod up and down. At this time, the limiter can be in the following ways. The limiter is a pin shaft, and pin holes are respectively set on the tie rod and the beam. When the pin holes on the tie rod and the beam correspond, the pin shaft is inserted into the two pin holes to achieve insulation. Limit of lifting parts. The limiting member in this embodiment is detachably mounted on the guide mounting frame.

The specific embodiment 7 of the power-on detection device for the residual current operated circuit breaker of the present invention:

In Embodiment 1, the insulating lifting member is driven to move by the traction rope. In this embodiment, a pull rod is installed on the worktable, the pull rod is connected with the insulating lifting member, and the lower end of the pull rod penetrates downward from the working table, and the insulating lifting member is driven to move up and down by pushing up and pulling down the pull rod. At this time, the limiter can be in the following ways. The limiter is a pin shaft, and pin holes are respectively set on the tie rod and the worktable. When the tie rod and the pin holes on the worktable correspond, the pins are inserted into the two pin holes to realize Limits for insulating lifts. The limiting member in this embodiment is detachably mounted on the guide mounting frame.

In this embodiment, the guide mounting frame may only include two guide columns. In other embodiments, the guide mounting frame may only include one guide column, and the insulating lifting member is guided and installed on the guide column at one end.

The specific embodiment 8 of the power-on detection device for the residual current operated circuit breaker of the present invention:

In Embodiment 1, a traction rod is provided on the insulating lifting member, and a driving spring is sheathed on the outside of the traction rod. In this embodiment, the upper end of the traction rod is fixed on the beam, and the lower end of the traction rod penetrates the insulating lifting member. The driving spring is elastically press-fitted between the beam and the insulating lifting piece.

The above descriptions are only preferred embodiments of the present invention and are not intended to limit the present invention. The scope of patent protection of the present invention is subject to the claims. Any equivalent structural changes made by using the contents of the description and drawings of the present invention, Similarly, all should be included in the protection scope of the present invention.

Claims (10)

1. A power-on detection device for a residual current-operated circuit breaker, characterized in that: comprising: A workbench for placing residual current operated circuit breakers; The guide mounting frame is arranged on the worktable, and is guided and installed with an insulating lifting piece along the upper and lower directions. The insulating lifting piece is located above the workbench. The insulating lifting piece is provided with a conductive piece extending up and down, and the lower end of the conductive piece is installed. It is used to press against the incoming terminal of the residual current operated circuit breaker for power-on detection; The lifting stroke of the insulating lifting member has a power-on detection position and a placement position. When in the power-on detection position, the conductive member is pressed against the residual current circuit breaker. When in the placement position, the conductive member and the workbench are Arranged at intervals to place the residual current operated circuit breakers to be tested on the workbench; The power-on detection device also includes: a driving spring for driving the insulating lifting member to move down to the power-on detection position; The limiter, which is movably installed or detachably installed on the workbench or the guide mounting frame, includes a limit state and an avoidance state. When the limiter is in the limit state, the limiter can overcome the elastic force of the driving spring to limit the insulating lifting member. The position is kept in the placement position, and when in the avoidance state, the limiting member avoids the insulating lifting member; The operating member is connected with the insulating lifting member to control the up and down movement of the insulating lifting member. 2. The power-on detection device for a residual current-operated circuit breaker according to claim 1, wherein the guide mounting frame comprises two guide columns spaced along the horizontal direction; Both ends of the insulating lifting piece are guided and assembled on the corresponding guide columns; The limiting member is arranged on the guide column, and the limiting member is used for blocking and cooperating with the insulating lifting member to keep the insulating lifting member at the placement position. 3 . The power-on detection device for a residual current operated circuit breaker according to claim 2 , wherein the guide column is provided with a guide groove extending in the up-down direction, and the insulating lifting member is slidably matched with the guide groove. 4 . ; The position-limiting member includes mounting seats that are arranged on both sides of the two guide grooves, and further includes a blocking piece rotatably mounted on one of the mounting seats, and the other mounting seat is provided with a blocking groove with an open upper end; The blocking piece can cooperate with the blocking groove to keep the limiting member in the limiting state, and the blocking piece can also be turned upward to make the limiting member put in the avoiding state. 4. The power-on detection device for a residual current operated circuit breaker according to claim 1, 2 or 3, wherein the workbench comprises legs and a panel arranged on the legs, and the panel is used to place the residual current operation breaker; A traction rod is fixed on the insulating lifting member, the traction rod penetrates the panel downward, the driving spring is sleeved on the traction rod, and the upper end of the driving spring is pressed against the bottom and the lower end of the panel. at the lower end of the drawbar. 5. The power-on detection device for a residual current-operated circuit breaker according to claim 1, wherein the workbench comprises a leg and a panel arranged on the leg, and the panel is used to place the residual current-operated circuit breaker; The guide mounting frame is a door-shaped frame, and the guide mounting frame includes a guide column fixed on the workbench and a beam set on the guide column, and the two ends of the insulating lifting piece are guided and assembled on the corresponding side of the guide column. superior; A pulley is arranged on the beam, and a traction rope is wound around the pulley. One end of the traction rope is connected with the insulating lifting member, and the other end extends downward to the bottom of the panel. the foot pedal at one end of the traction rope. 6. The power-on detection device for a residual current-operated circuit breaker according to claim 1, 2 or 3, wherein the insulating lifting member is an insulating rod; An outer sleeve of the insulating rod is sheathed with a ring sleeve, and the conductive member is fixed on the ring sleeve. 7 . The power-on detection device for a residual current operated circuit breaker according to claim 6 , wherein, corresponding to the same residual current operated circuit breaker, a four-phase conductive member is provided on the insulation; 8 . The ring sleeve is arranged on the insulating rod in an adjustable position along the extending direction of the insulating rod, so that the spacing between the four-phase conducting parts corresponding to the same residual current operated circuit breaker can be adjusted. 8 . The power-on detection device for a residual current operated circuit breaker according to claim 7 , wherein the insulating rod is provided with a countersunk head screw hole, and the ring sleeve is provided with a screw through which the ring sleeve is inserted. 9 . Attachment holes on insulating rods. 9. The power-on detection device for a residual current operated circuit breaker according to claim 1, 2 or 3, characterized in that: the worktable is provided with a positioning slot, and the positioning slot is adapted to be inserted into the residual current operated circuit breaker. 10 . The power-on detection device for a residual current operated circuit breaker according to claim 9 , wherein the positioning slot comprises a first positioning slot, the bottom of the first positioning slot is provided with a second positioning slot, and the second positioning slot is provided with a second positioning slot. The size of the groove is smaller than the size of the first positioning groove.

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