Vacuum circuit breaker withstand voltage detection device

Abstract

The invention belongs to the technical field of circuit breaker detection, and discloses a vacuum circuit breaker withstand voltage detection device. The withstand voltage detection device for the vacuum circuit breaker comprises a steel bracket, a wire lapping mechanism, a first grounding mechanism, a closing mechanism, a second grounding mechanism, a high-voltage mechanism and a control mechanism, wherein the steel bracket is fixed on the ground; the wire lapping mechanism is arranged on the steel support, the wire lapping assembly is used for being electrically connected with the vacuum circuit breaker, the first adjusting assembly can drive the wire lapping assembly to move in the horizontal direction, the second adjusting assembly can drive the wire lapping assembly to move in the vertical direction, and the third adjusting assembly can adjust the inclination angle of the wire lapping assembly; the first grounding mechanism can enable the shell to be grounded or not grounded through the steel bracket; the closing mechanism can open or close a closing button of the vacuum circuit breaker; the second grounding mechanism can enable the lower terminal to be grounded or not to be grounded through the steel bracket; and the control mechanism is far away from the high-voltage closed area and is in communication connection with the wire lapping mechanism, the first grounding mechanism, the closing mechanism and the second grounding mechanism.

Description

Technical Field

[0001] The present invention relates to the technical field of circuit breaker detection, and in particular to a vacuum circuit breaker withstand voltage detection device. Background Art

[0002] The withstand voltage test of vacuum circuit breakers is a necessary test to verify whether the circuit breakers are qualified.

[0003] At present, the degree of automation of vacuum circuit breakers during voltage withstand testing is low, and it basically needs to be completed manually. During manual operation, it is necessary to enter and exit the high-voltage enclosed voltage withstand operating room, which is not convenient and will affect work efficiency. In addition, mistakes may occur during manual operation, which will cause safety risks for operators in high-voltage enclosed areas. Summary of the invention

[0004] The purpose of the present invention is to provide a vacuum circuit breaker withstand voltage detection device to solve the problem of low efficiency and safety risks in the prior art of manual detection of vacuum circuit breakers, improve the efficiency of vacuum circuit breaker detection, and eliminate safety hazards.

[0005] To achieve this object, the present invention adopts the following technical solutions:

[0006] A vacuum circuit breaker withstand voltage detection device is provided, which is used to detect the withstand voltage performance of the vacuum circuit breaker. The vacuum circuit breaker includes a housing, an upper terminal and a lower terminal, including:

[0007] A steel bracket, wherein the steel bracket is fixed to the ground;

[0008] A wiring mechanism, the wiring mechanism is arranged on the steel support, comprising a first adjustment component, a second adjustment component, a third adjustment component and a wiring component, the wiring component is used to be electrically connected to the vacuum circuit breaker, the first adjustment component can drive the wiring component to move in a horizontal direction, the second adjustment component can drive the wiring component to move in a vertical direction, and the third adjustment component can adjust the inclination angle of the wiring component;

[0009] A first grounding mechanism, which is disposed on the steel support and can ground or not ground the housing through the steel support;

[0010] A closing mechanism, which is arranged on the steel support and can open or close a closing button of the vacuum circuit breaker;

[0011] A second grounding mechanism, the second grounding mechanism is arranged on the steel support and can make the lower terminal grounded or not grounded through the steel support;

[0012] a high voltage mechanism, the high voltage mechanism being electrically connected to the upper terminal to provide high voltage to the vacuum circuit breaker;

[0013] The control mechanism includes a control cabinet, which is away from the high-voltage closed area and is communicatively connected with the wiring mechanism, the first grounding mechanism, the closing mechanism and the second grounding mechanism.

[0014] As an optional technical solution of the vacuum circuit breaker withstand voltage detection device, the first adjustment component includes:

[0015] A mobile frame, wherein the mobile frame is provided with a pulley, the steel bracket is provided with a slide rail along the horizontal direction, and the pulley cooperates with the slide rail to enable the mobile frame to move along the horizontal direction;

[0016] A first driving assembly, one end of which is rotatably connected to the mobile frame, and the other end of which is disposed on the steel support, and the first driving assembly can drive the mobile frame to move along the horizontal direction;

[0017] The wiring assembly is arranged on the moving frame and moves along the horizontal direction with the moving frame.

[0018] As an optional technical solution for the withstand voltage detection device of a vacuum circuit breaker, the second adjusting component includes a first pull rod, one end of which is connected to the wire-taking assembly and the other end is connected to the movable frame, and the contraction or extension of the first pull rod drives the wire-taking assembly to move along the vertical direction; the third adjusting component includes a second pull rod, one end of which is connected to the wire-taking assembly and the other end is connected to the movable frame, and is arranged at an angle with the first pull rod, and the contraction or extension of the second pull rod drives the wire-taking assembly to change its angle.

[0019] As an optional technical solution of the vacuum circuit breaker withstand voltage detection device, the first pull rod and the second pull rod are filled with insulating material.

[0020] As an optional technical solution for the vacuum circuit breaker withstand voltage detection device, the wiring assembly includes:

[0021] A wiring board, the first pull rod and the second pull rod are both connected to the wiring board;

[0022] A guide sleeve, the guide sleeve is arranged on the wiring board, and six guide sleeves are provided, three of which are arranged at the top corresponding to the upper terminals, and the other three are arranged at the bottom corresponding to the lower terminals;

[0023] A guide shaft, the guide shaft is arranged corresponding to the guide sleeve and can be inserted into the guide sleeve, the two ends of the guide shaft arranged in the middle are provided with electric copper plates, and the four ends of the guide shaft located on both sides are provided with conductive copper plates;

[0024] The wires are provided with two wires, and they respectively electrically connect the three upper guide shafts and the three lower guide shafts.

[0025] As an optional technical solution for the withstand voltage detection device for a vacuum circuit breaker, springs are arranged between the guide sleeve and the electric copper plate and the conductive copper plate.

[0026] As an optional technical solution for the withstand voltage detection device for a vacuum circuit breaker, the high voltage mechanism includes a cable, and the cable is electrically connected to one of the three guide shafts above.

[0027] As an optional technical solution of the vacuum circuit breaker withstand voltage detection device, the first grounding mechanism includes:

[0028] A swing arm, the swing arm is rotatably disposed on the steel bracket via a first rotating shaft;

[0029] A second driving assembly, the second driving assembly is disposed on the steel support and is rotatably connected to one end of the swing arm to drive the swing arm to swing about the central axis of the first rotating shaft;

[0030] The abutment assembly includes a conductive plate and a grounding wire, wherein the grounding wire is electrically connected to the conductive plate, and the conductive plate is arranged at the other end of the swing arm and swings with the swing arm to abut against or disengage from the shell.

[0031] As an optional technical solution for the vacuum circuit breaker withstand voltage detection device, the closing mechanism includes:

[0032] A turning frame, wherein the turning frame is rotatably disposed on the steel support via a second rotating shaft;

[0033] A third driving assembly, the third driving assembly being disposed on the steel support and rotatably connected to one end of the flip frame to drive the flip frame to flip around the central axis of the second rotating shaft;

[0034] A butt joint is arranged at the other end of the flip frame and flips along with the flip frame to open or close the closing button.

[0035] As an optional technical solution of the vacuum circuit breaker withstand voltage detection device, the second grounding mechanism includes:

[0036] A spring plate, the spring plate being rotatably connected to one end of a third rotating shaft, and the third rotating shaft being rotatably disposed on the steel bracket;

[0037] A fourth drive assembly is arranged on the steel support and is rotatably connected to the other end of the third rotating shaft. The fourth drive assembly drives the third rotating shaft to rotate and drives the spring plate to move in a direction close to or away from the vacuum circuit breaker.

[0038] Beneficial effects of the present invention:

[0039] The invention discloses a vacuum circuit breaker withstand voltage detection device, comprising a steel support, a wiring mechanism, a first grounding mechanism, a closing mechanism, a second grounding mechanism, a high-voltage mechanism and a control mechanism, wherein the steel support is fixed to the ground; the wiring mechanism is arranged on the steel support, comprising a first adjustment component, a second adjustment component, a third adjustment component and a wiring component, the wiring component is used to be electrically connected to the vacuum circuit breaker, the first adjustment component can drive the wiring component to move in a horizontal direction, the second adjustment component can drive the wiring component to move in a vertical direction, and the third adjustment component can adjust the inclination angle of the wiring component; the first grounding mechanism is arranged on the steel support, and can make the shell grounded or ungrounded through the steel support; the closing mechanism is arranged on the steel support, and can open or close the closing button of the vacuum circuit breaker; the second grounding mechanism is arranged on the steel support, and can make the lower terminal grounded or ungrounded through the steel support; the high-voltage mechanism is electrically connected to the upper terminal to provide high voltage to the vacuum circuit breaker; the control mechanism comprises a control cabinet, the control cabinet is far away from the high-voltage closed area and is communicatively connected with the wiring mechanism, the first grounding mechanism, the closing mechanism and the second grounding mechanism. When testing the vacuum circuit breaker, the operator can control the high-voltage mechanism and the vacuum circuit breaker through the control cabinet through the wiring mechanism, control the closing mechanism to press the closing button, and control the grounding of the shell and the lower terminal respectively, so as to avoid the operator from entering and exiting the high-voltage closed area, improve the efficiency of vacuum circuit breaker testing, and eliminate safety hazards. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments of the present invention. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the contents of the embodiments of the present invention and these drawings without paying any creative work.

[0041] Figure 1 is an axonometric diagram of a vacuum circuit breaker withstand voltage detection device provided by an embodiment of the present invention;

[0042] Figure 2 The schematic diagram of the partial structure of the vacuum circuit breaker withstand voltage detection device provided by the embodiment of the present invention is Figure 1 ;

[0043] Figure 3 The schematic diagram of the partial structure of the vacuum circuit breaker withstand voltage detection device provided by the embodiment of the present invention is Figure 2 ;

[0044] Figure 4 It is a partial structural exploded diagram of a vacuum circuit breaker withstand voltage detection device provided by an embodiment of the present invention;

[0045] Figure 5 The schematic diagram of the partial structure of the vacuum circuit breaker withstand voltage detection device provided by the embodiment of the present invention is Figure 3 ;

[0046] Figure 6 It is a partial structural state diagram of a vacuum circuit breaker withstand voltage detection device provided by an embodiment of the present invention;

[0047] Figure 7 The schematic diagram of the partial structure of the vacuum circuit breaker withstand voltage detection device provided by the embodiment of the present invention is Figure 4 ;

[0048] Figure 8 The schematic diagram of the partial structure of the vacuum circuit breaker withstand voltage detection device provided by the embodiment of the present invention is Figure 5 ;

[0049] Fig. 9 The schematic diagram of the partial structure of the vacuum circuit breaker withstand voltage detection device provided by the embodiment of the present invention is Figure 6 ;

[0050] Fig.10 The schematic diagram of the partial structure of the vacuum circuit breaker withstand voltage detection device provided by the embodiment of the present invention is Figure 7 ;

[0051] Fig.11 It is a partial structural cross-sectional view of a vacuum circuit breaker withstand voltage detection device provided by an embodiment of the present invention.

[0052] In the figure:

[0053] 100, steel support; 110, slide rail; 120, column; 130, first crossbeam; 140, second crossbeam;

[0054] 200, wiring mechanism; 210, first adjustment component; 211, mobile frame; 2111, pulley; 212, first driving component; 2121, first telescopic cylinder; 2122, first telescopic rod; 2123, sliding beam; 2124, limit plate; 213, guide rod; 214, fixed seat; 220, second adjustment component; 221, first pull rod; 2211, pull rod head; 230, third adjustment component; 231, second pull rod; 232, adjustment rod; 240, wiring component; 241, wiring board; 242, guide sleeve; 243, guide shaft; 2431, electric copper plate; 2432, conductive copper plate; 2433, spring; 244, wire; 245, grounding conductive plate;

[0055] 300, first grounding mechanism; 310, swing arm; 311, first rotating shaft; 312, crank arm; 320, second driving assembly; 321, second telescopic cylinder; 322, second telescopic rod; 330, abutting assembly; 331, conductive plate; 332, grounding wire; 333, spring pin;

[0056] 400, closing mechanism; 410, turning frame; 411, second rotating shaft; 412, receiving slot; 420, third driving assembly; 430, abutment head;

[0057] 500, second grounding mechanism; 510, spring plate; 511, third rotating shaft; 520, fourth driving assembly; 530, crank arm;

[0058] 610. Cable;

[0059] 710. Control cabinet. DETAILED DESCRIPTION

[0060] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only parts related to the present invention, rather than all structures, are shown in the accompanying drawings.

[0061] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0062] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0063] In the description of this embodiment, the terms "upper", "lower", "right", etc., directions or positional relationships are based on the directions or positional relationships shown in the drawings, and are only for the convenience of description and simplification of operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0064] At present, the degree of automation of vacuum circuit breakers during voltage withstand testing is low, and it basically needs to be completed manually. During manual operation, it is necessary to enter and exit the high-voltage enclosed voltage withstand operating room, which is not convenient and will affect work efficiency. In addition, mistakes may occur during manual operation, which will cause safety risks for operators in high-voltage enclosed areas.

[0065] To solve the above problems, this embodiment provides a vacuum circuit breaker withstand voltage detection device. Figure 1 , used to detect the withstand voltage performance of the vacuum circuit breaker, the vacuum circuit breaker includes a shell, an upper terminal and a lower terminal, including a steel bracket 100, a wiring mechanism 200, a first grounding mechanism 300, a closing mechanism 400, a second grounding mechanism 500, a high-voltage mechanism and a control mechanism.

[0066] See also Figure 1 , the steel support 100 is fixed to the ground; specifically, the steel support 100 is set as a frame structure, and the vacuum circuit breaker can be pushed into the center of the steel support 100 through the bearing platform, including four columns 120, and the four columns 120 of the steel support 100 are connected to the ground through a bolt and nut structure to fix the steel support 100 and adjust the height of the top horizontal plane of the steel support 100. Specifically, the bolts are selected from chemical bolts, which are stable in nature and are not easily damaged even when current passes through. In other embodiments, the four columns 120 can also be set as telescopic rods to adjust the height of the top horizontal plane of the steel support 100.

[0067] See also Figure 2-Figure 5 The wiring mechanism 200 is arranged on the steel support 100, including a first adjusting component 210, a second adjusting component 220, a third adjusting component 230 and a wiring component 240. The wiring component 240 is used to be electrically connected to the vacuum circuit breaker. The first adjusting component 210 can drive the wiring component 240 to move in the horizontal direction, the second adjusting component 220 can drive the wiring component 240 to move in the vertical direction, and the third adjusting component 230 can adjust the inclination angle of the wiring component 240.

[0068] Furthermore, the first adjustment component 210 includes a movable frame 211 and a first driving component 212, and the steel support 100 is provided with a slide rail 110 along the horizontal direction; specifically, two first beams 130 are provided on the top of the steel support 100, the two first beams 130 are arranged at intervals, and the slide rail 110 or slideway is provided on the opposite side of the two first beams 130.

[0069] The movable frame 211 is provided with a pulley 2111, and the pulley 2111 cooperates with the slide rail 110 so that the movable frame 211 can move in the horizontal direction; specifically, the movable frame 211 is set as a square frame structure, and pulleys 2111 are set on both sides of the movable frame 211. The pulleys 2111 are divided into a main pulley and an auxiliary pulley. The central axis of the main pulley is in the horizontal direction, and the central axis of the auxiliary pulley is in the vertical direction. The main pulley and the auxiliary pulley cooperate together to ensure that the movable frame 211 can move forward and backward along the slide rail 110 without offset or left-right misalignment. In this embodiment, four main pulleys and four auxiliary pulleys are provided.

[0070] Furthermore, one end of the first driving component 212 is rotatably connected to the moving frame 211, and the other end is arranged on the steel support 100. The first driving component 212 can drive the moving frame 211 to move in the horizontal direction; specifically, the first driving component 212 includes a first telescopic cylinder 2121 and a first telescopic rod 2122. One end of the first telescopic rod 2122 is connected to the first telescopic cylinder 2121, and the first telescopic cylinder 2121 can drive the first telescopic rod 2122 to telescope in the horizontal direction. The other end of the first telescopic rod 2122 is hinged to the moving frame 211 to drive the moving frame 211 to move in the horizontal direction.

[0071] In this embodiment, in order to increase the horizontal displacement distance of the mobile frame 211, the first driving component 212 also includes a sliding beam 2123, and two main pulleys and two auxiliary pulleys are respectively arranged at both ends of the sliding beam 2123, so that the sliding beam 2123 can slide along the slide rail 110, and two groups of first telescopic cylinders 2121 and first telescopic rods 2122 are arranged. A second cross beam 140 is also welded to the top of the steel bracket 100. The two first telescopic cylinders 2121 are both hinged to the sliding beam 2123, and the other end of one first telescopic rod 2122 is hinged to the mobile frame 211, and is telescopic to change the position of the mobile frame 211; the other end of the other first telescopic rod 2122 is hinged to the second cross beam 140, and is telescopic to change the position of the sliding beam 2123, that is, the positions of the two first telescopic cylinders 2121 are changed, thereby expanding the moving distance of the mobile frame 211.

[0072] Furthermore, a limiting plate 2124 is disposed on the outer side of all the pulleys 2111 , and the limiting plate 2124 is screwed to the moving frame 211 and the sliding beam 2123 to prevent the pulley 2111 from falling out of the slide rail 110 .

[0073] Furthermore, the first adjustment assembly 210 further includes a guide rod 213, two guide rods 213 are arranged at intervals, one end of which is fixed to the moving frame 211, including screw connection or welding, and the other end is passed through the sliding beam 2123 to prevent the moving frame 211 and the sliding beam 2123 from offsetting during movement. Specifically, the surface of the guide rod 213 is chrome-plated to increase the wear resistance of the guide rod 213.

[0074] Further, the wiring assembly 240 is arranged on the mobile frame 211 and moves along the horizontal direction with the mobile frame 211. Specifically, the second adjustment assembly 220 includes a first pull rod 221, one end of the first pull rod 221 is connected to the wiring assembly 240 and the other end is connected to the mobile frame 211, and the first pull rod 221 contracts or extends to drive the wiring assembly 240 to move along the vertical direction; the third adjustment assembly 230 includes a second pull rod 231, one end of the second pull rod 231 is connected to the wiring assembly 240 and the other end is connected to the mobile frame 211, and is arranged at an angle with the first pull rod 221, and the second pull rod 231 contracts or extends to drive the wiring assembly 240 to change its angle.

[0075] Specifically, two fixed seats 214 are arranged at the bottom of the mobile frame 211, and four pull rod heads 2211 are arranged on the fixed seats 214. The pull rod heads 2211 include a flat surface, which is convenient for the wrench to clamp and screw. The two ends of the first pull rod 221 are respectively threadedly connected with the pull rod head 2211 and the wiring assembly 240 for easy installation, and the threads at the two ends rotate in opposite directions; the second pull rod 231 is connected to the fixed seat 214 through an adjustment rod 232, and the other end is hinged to the wiring assembly 240. Furthermore, the first pull rod 221 and the second pull rod 231 are filled with insulating materials to prevent high voltage electricity from being transmitted to the steel support 100 through the first pull rod 221 and the second pull rod 231.

[0076] Furthermore, the wiring assembly 240 includes a wiring board 241, a guide sleeve 242 and a guide shaft 243, and the first pull rod 221 and the second pull rod 231 are both connected to the wiring board 241; the guide sleeve 242 is arranged on the wiring board 241, and there are six guide sleeves 242, three of which are arranged at the top corresponding to the upper terminals, and the other three are arranged at the bottom corresponding to the lower terminals; specifically, the guide sleeve 242 and the wiring board 241 can be cast as one piece, or they can be cast separately and then glued; the guide sleeve 242 is made of conductive material, and the wiring board 241 is made of insulating material. In order to reduce the weight of the wiring board 241, the wiring board 241 is set as a hollow structure.

[0077] Furthermore, the guide shaft 243 is arranged corresponding to the guide sleeve 242 and can be inserted into the guide sleeve 242. The guide shaft 243 is made of conductive material. After the guide shaft 243 is inserted into the guide sleeve 242, a clamp is used to limit the movement of the guide shaft 243 to avoid separation from the guide sleeve 242; the ends of the two guide shafts 243 in the middle are provided with conductive copper plates 2431, and the ends of the four guide shafts 243 on both sides are provided with conductive copper plates 2432; specifically, the connection position of the conductive copper plate 2432 is not at the center of the conductive copper plate 2432, and the end away from the connection position faces outward to be compatible with vacuum circuit breakers of different specifications (the spacing between the upper terminals and the lower terminals is different).

[0078] Furthermore, a spring 2433 is provided on the guide sleeve 242 and between the electric copper plate 2431 and the conductive copper plate 2432. The spring 2433 is sleeved on the guide shaft 243. The spring 2433 can play a buffering role when the electric copper plate 2431 and the conductive copper plate 2432 abut against the upper terminal and the lower terminal to avoid damage to the upper terminal and the lower terminal. Furthermore, two wires 244 are provided at the other end of the guide shaft 243, respectively electrically connecting the three upper guide shafts 243 and the three lower guide shafts 243.

[0079] See also Figure 6 and Figure 7 , further, the first grounding mechanism 300 is arranged on the steel support 100, and can make the shell grounded or not grounded through the steel support 100. Specifically, the first grounding mechanism 300 includes a swing arm 310, a second drive assembly 320 and an abutment assembly 330. The swing arm 310 is rotatably arranged on the steel support 100 through the first rotating shaft 311; the second drive assembly 320 is arranged on the steel support 100 and is rotatably connected with one end of the swing arm 310 to drive the swing arm 310 to swing about the central axis of the first rotating shaft 311; the second drive assembly 320 includes a second telescopic cylinder 321 and a second telescopic rod 322, one end of the swing arm 310 is welded with a crank arm 312, and the second telescopic rod 322 is hinged to the crank arm 312. When the second telescopic rod 322 is retracted, the swing arm 310 moves in a direction away from the vacuum circuit breaker; when the second telescopic rod 322 is extended, the swing arm 310 moves in a direction close to the vacuum circuit breaker, and the angle between the two states is 90°.

[0080] Further, the abutting component 330 includes a conductive plate 331 and a ground wire 332. The ground wire 332 is electrically connected to the conductive plate 331. The conductive plate 331 is disposed at the other end of the swing arm 310 and swings with the swing arm 310 to abut against or disengage from the housing. Specifically, the abutting component 330 further includes a guide sleeve 242, a guide shaft 243, and a spring 2433. The guide sleeve 242 is welded to the swing arm 310. The conductive plate 331 is fixed to one end of the guide shaft 243. The spring 2433 is sleeved on the guide shaft 243 to play a buffering role when the conductive plate 331 abuts against the housing, avoiding damage to the housing. In this embodiment, the abutting component 330 further includes a spring pin 333 to limit the guide shaft 243 from disengaging from the guide sleeve 242.

[0081] Refer to Figure 8 and Fig. 9 , further, the closing mechanism 400 is disposed on the steel bracket 100 and can open or close the closing button of the vacuum circuit breaker. Specifically, the closing mechanism 400 includes a flipping frame 410, a third driving component 420, and an abutting head 430. The flipping frame 410 is rotatably disposed on the steel bracket 100 through a second rotating shaft 411. Specifically, there are two second rotating shafts 411. The third driving component 420 is disposed on the steel bracket 100 and is rotatably connected to one end of the flipping frame 410 to drive the flipping frame 410 to flip around the central axis of the second rotating shaft 411. The structure of the third driving component 420 is similar to that of the first driving component 212 and the second driving component 320, and will not be described here. The flipping frame 410 can be driven by the third driving component 420 to flip by 90°. The flipping frame 410 includes three receiving grooves 412, and the three receiving grooves 412 are in a "pin" structure. The abutting head 430 is disposed at the other end (inside the receiving groove 412) of the flipping frame 410 and flips with the flipping frame 410 to open or close the closing button. The types and sizes of the abutting heads 430 in the three receiving grooves 412 are different to adapt to different models of vacuum circuit breakers. The abutting head 430 is made of high-elastic polyurethane material, which can buffer the rebounding force of the closing button and ensure that the third driving component 420 and the flipping frame 410 will not be damaged.

[0082] Refer to Fig.10 and Fig.11, further, the second grounding mechanism 500 is arranged on the steel support 100, and can make the lower terminal grounded or ungrounded through the steel support 100; specifically, the second grounding mechanism 500 includes a spring plate 510 and a fourth drive assembly 520, and the structure of the fourth drive assembly 520 is similar to that of the first drive assembly 212 and the second drive assembly 320, which will not be described here; the spring plate 510 is rotatably connected to one end of the third rotating shaft 511, and the third rotating shaft 511 is rotatably arranged on the steel support 100; the fourth drive assembly 520 is arranged on the steel support 100 and is rotatably connected to the other end of the third rotating shaft 511, specifically, a crank arm 530 is arranged between the fourth drive assembly 520 and the third rotating shaft 511, and the fourth drive assembly 520 drives the crank arm 530 to rotate, thereby driving the third rotating shaft 511 to rotate, and the fourth drive assembly 520 drives the third rotating shaft 511 to rotate and drives the spring plate 510 to move in a direction close to or away from the vacuum circuit breaker. Specifically, the end of the guide shaft 243 connected by the wire 244 is provided with a grounding conductive plate 245, and the spring plate 510 can be driven by the fourth driving assembly 520 to swing around 90 degrees and abut against or disengage from the grounding conductive plate 245. Specifically, the spring plate 510 should be provided with a sufficient length so as to abut against the grounding conductive plate 245 of any vacuum circuit breaker after docking.

[0083] Furthermore, the high-voltage mechanism is electrically connected to the upper terminal to provide high voltage to the vacuum circuit breaker; the high-voltage mechanism includes a cable 610, and the cable 610 is electrically connected to one of the three guide shafts 243 above. The cable 610 is made of a material specially used for withstand voltage testing with thickened insulation material that can withstand a high voltage of 50KV. The cable 610 and the guide shaft 243 can be connected by a cable clamp, winding or bolts, etc., which are not limited here. After the cable 610 is connected, it should be suspended in the air without contact with other objects to avoid potential safety hazards.

[0084] The first driving assembly 212 , the second driving assembly 320 , the third driving assembly 420 and the fourth driving assembly 520 are all provided with sensing elements, specifically photoelectric sensing elements or proximity sensing elements, to reflect the respective driving states.

[0085] Furthermore, the control mechanism includes a control cabinet 710, which is away from the high-voltage enclosed area and is communicatively connected to the wiring mechanism 200, the first grounding mechanism 300, the closing mechanism 400, and the second grounding mechanism 500. Specifically, 220V AC is supplied to the power supply, and the power supply converts the 220V AC into 24V DC; the power supply outputs DC to the knob switch of the control cabinet 710, and when the knob switch rotates forward, each drive component rotates forward and extends, and when the knob switch rotates reversely, the positive and negative poles are reversed, and each drive component reverses and retracts; the induction component is used to reflect the status of each step and control the induction light switch for operator supervision.

[0086] When the vacuum circuit breaker withstand voltage detection device provided in this embodiment detects the vacuum circuit breaker, the operator can control the high-voltage mechanism and the vacuum circuit breaker to connect through the connection mechanism 200 through the control cabinet 710, control the closing mechanism 400 to press the closing button, and control the shell and the lower terminal to be grounded respectively, so as to avoid the operator from entering and exiting the high-voltage closed area, improve the efficiency of vacuum circuit breaker detection, and eliminate safety hazards.

[0087] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. For those skilled in the art, various obvious changes, readjustments and substitutions can be made without departing from the protection scope of the present invention. It is not necessary and impossible to list all the embodiments here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A vacuum circuit breaker withstand voltage detection device, used to detect the withstand voltage performance of a vacuum circuit breaker, the vacuum circuit breaker comprising a housing, an upper terminal and a lower terminal, It is characterized in that include: A steel support (100), wherein the steel support (100) is fixed to the ground; A wiring mechanism (200), the wiring mechanism (200) being arranged on the steel support (100), comprising a first adjustment component (210), a second adjustment component (220), a third adjustment component (230) and a wiring component (240), the wiring component (240) being used to be electrically connected to the vacuum circuit breaker, the first adjustment component (210) being able to drive the wiring component (240) to move in a horizontal direction, the second adjustment component (220) being able to drive the wiring component (240) to move in a vertical direction, and the third adjustment component (230) being able to adjust the inclination angle of the wiring component (240); a first grounding mechanism (300), the first grounding mechanism (300) being arranged on the steel support (100) and capable of grounding or not grounding the shell through the steel support (100); A closing mechanism (400), the closing mechanism (400) being arranged on the steel support (100) and capable of opening or closing a closing button of the vacuum circuit breaker; a second grounding mechanism (500), the second grounding mechanism (500) being arranged on the steel support (100) and capable of grounding or not grounding the lower terminal through the steel support (100); a high voltage mechanism, the high voltage mechanism being electrically connected to the upper terminal to provide high voltage to the vacuum circuit breaker; A control mechanism, the control mechanism comprising a control cabinet (710), the control cabinet (710) being away from the high-voltage enclosed area and being communicatively connected to the wiring mechanism (200), the first grounding mechanism (300), the closing mechanism (400), and the second grounding mechanism (500).

2. The vacuum circuit breaker withstand voltage detection device according to claim 1, It is characterized in that The first adjustment component (210) comprises: A movable frame (211), wherein a pulley (2111) is disposed on the movable frame (211), and a slide rail (110) is disposed on the steel support (100) along the horizontal direction, and the pulley (2111) cooperates with the slide rail (110) to enable the movable frame (211) to move along the horizontal direction; A first driving component (212), one end of the first driving component (212) is rotatably connected to the moving frame (211), and the other end is arranged on the steel support (100), and the first driving component (212) can drive the moving frame (211) to move along the horizontal direction; The wiring assembly (240) is arranged on the moving frame (211) and moves along the horizontal direction with the moving frame (211).

3. The vacuum circuit breaker withstand voltage detection device according to claim 2, It is characterized in that The second adjustment component (220) includes a first pull rod (221), one end of the first pull rod (221) is connected to the wiring component (240) and the other end is connected to the movable frame (211), and the first pull rod (221) contracts or extends to drive the wiring component (240) to move along the vertical direction; the third adjustment component (230) includes a second pull rod (231), one end of the second pull rod (231) is connected to the wiring component (240) and the other end is connected to the movable frame (211), and is arranged at an angle with the first pull rod (221), and the second pull rod (231) contracts or extends to drive the wiring component (240) to change its angle.

4. The vacuum circuit breaker withstand voltage detection device according to claim 3, It is characterized in that The first pull rod (221) and the second pull rod (231) are filled with insulating material.

5. The vacuum circuit breaker withstand voltage detection device according to claim 3, It is characterized in that The wiring assembly (240) comprises: A wiring board (241), the first pull rod (221) and the second pull rod (231) are both connected to the wiring board (241); A guide sleeve (242), the guide sleeve (242) being arranged on the wiring board (241), and six guide sleeves (242) are provided, three of which are arranged at the top corresponding to the upper terminals, and the other three are arranged at the bottom corresponding to the lower terminals; A guide shaft (243), the guide shaft (243) being arranged corresponding to the guide sleeve (242) and being insertable into the guide sleeve (242), the ends of the two guide shafts (243) arranged in the middle being provided with conductive copper plates (2431), and the ends of the four guide shafts (243) located on both sides being provided with conductive copper plates (2432); Conductive wires (244), two of which are provided, electrically connecting the three upper guide shafts (243) and the three lower guide shafts (243) respectively.

6. The vacuum circuit breaker withstand voltage detection device according to claim 5, It is characterized in that Springs (2433) are provided between the guide sleeve (242), the electric copper plate (2431) and the conductive copper plate (2432).

7. The vacuum circuit breaker withstand voltage detection device according to claim 5, It is characterized in that The high-voltage mechanism includes a cable (610), and the cable (610) is electrically connected to one of the three guide shafts (243) above.

8. The vacuum circuit breaker withstand voltage detection device according to any one of claims 1 to 7, It is characterized in that The first grounding mechanism (300) comprises: A swing arm (310), wherein the swing arm (310) is rotatably disposed on the steel support (100) via a first rotating shaft (311); a second driving assembly (320), the second driving assembly (320) being disposed on the steel support (100) and being rotatably connected to one end of the swing arm (310) so as to drive the swing arm (310) to swing about the central axis of the first rotating shaft (311); An abutment assembly (330), the abutment assembly (330) comprising a conductive plate (331) and a grounding wire (332), the grounding wire (332) being electrically connected to the conductive plate (331), the conductive plate (331) being arranged at the other end of the swing arm (310) and swinging along with the swing arm (310) to abut against or disengage from the housing.

9. The vacuum circuit breaker withstand voltage detection device according to any one of claims 1 to 7, It is characterized in that The closing mechanism (400) comprises: A turning frame (410), wherein the turning frame (410) is rotatably disposed on the steel support (100) via a second rotating shaft (411); a third driving assembly (420), the third driving assembly (420) being disposed on the steel support (100) and being rotatably connected to one end of the turning frame (410) so as to drive the turning frame (410) to turn around the central axis of the second rotating shaft (411); A butt joint (430) is arranged at the other end of the flip frame (410) and flips along with the flip frame (410) to open or close the closing button.

10. The vacuum circuit breaker withstand voltage detection device according to any one of claims 1 to 7, It is characterized in that The second grounding mechanism (500) comprises: A spring plate (510), wherein the spring plate (510) is rotatably connected to one end of a third rotating shaft (511), and the third rotating shaft (511) is rotatably disposed on the steel bracket (100); A fourth drive assembly (520), wherein the fourth drive assembly (520) is disposed on the steel support (100) and is rotatably connected to the other end of the third rotating shaft (511), and the fourth drive assembly (520) drives the third rotating shaft (511) to rotate and drives the spring plate (510) to move in a direction close to or away from the vacuum circuit breaker.

Images