High-voltage vacuum circuit breaker with protection function

Abstract

The invention relates to the technical field of vacuum circuit breakers, and discloses a high-voltage vacuum circuit breaker with a protection function, which comprises a mounting plate, the top of the mounting plate is fixedly connected with a protection cabinet, the inner wall of the protection cabinet is hinged with a sealing door, the top of the mounting plate is fixedly connected with a supporting rod, and the top of the supporting rod is fixedly connected with a base. The top of the base is fixedly connected with an insulating rod, and the top of the insulating rod is provided with a connecting wire. The base is supported through connection of the mounting plate and the supporting rod, the insulating rod is arranged at the top of the base, the upper connector in the insulating rod is connected with the line through the connecting line, and when the current transformer detects that a circuit in the line goes wrong, the current transformer can transmit information to the disconnecting component, so that the disconnecting component is disconnected. When the disconnecting component starts to work, the vertical rod is pulled to move downwards, the lower connector is pulled to slide in the sealing sleeve when the vertical rod moves downwards, and the lower connector is separated from the upper connector when the lower connector moves downwards, so that the circuit is disconnected.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of vacuum circuit breakers, in particular to a high-voltage vacuum circuit breaker with protection function. BACKGROUND

[0002] The vacuum circuit breaker is named because its arc extinguishing medium and the insulation medium of the contact gap after arc extinguishing are both high vacuum; it has the advantages of small size, light weight, frequent operation, and arc extinguishing without maintenance, and is widely used in distribution networks. The vacuum circuit breaker is a 3-10kV, 50Hz three-phase alternating current system indoor distribution device, which can be used for protection and control of electrical equipment in industrial and mining enterprises, power plants and substations, and is particularly suitable for use in oil-free, low-maintenance and frequent operation environments. The circuit breaker can be configured in a middle cabinet, double-layer cabinet and fixed cabinet for controlling and protecting high-voltage electrical equipment.

[0003] After the installation of the vacuum circuit breaker, it needs to be used for a long time, but the internal structure of the vacuum circuit breaker will have a decrease in air tightness under long-term use, which will cause the vacuum degree inside the vacuum circuit breaker to decrease. Insufficient vacuum degree can cause the circuit breaker to fail to open the fault current, and can cause the vacuum circuit breaker to be damaged. SUMMARY

[0004] The purpose of the present application is to provide a high-voltage vacuum circuit breaker with protection function to solve the problems raised in the background art.

[0005] To solve the above technical problems, the present application is realized by the following technical scheme:

[0006] The present application is a high-voltage vacuum circuit breaker with protection function, comprising a mounting plate, the top of the mounting plate is fixedly connected with a protection cabinet, the inner wall of the protection cabinet is hingedly connected with a sealing door, the top of the mounting plate is fixedly connected with a support rod, the top of the support rod is fixedly connected with a base, the top of the base is fixedly connected with an insulating rod, the top of the insulating rod is provided with a connecting wire, and the inside of the insulating rod is provided with a circuit breaking component.

[0007] The circuit breaking component comprises an upper joint, the upper surface of the upper joint is fixedly connected with the inner wall of the insulating rod, the inner wall of the insulating rod is fixedly connected with a sealing sleeve, the inner wall of the sealing sleeve is slidingly connected with a lower joint, the bottom of the lower joint is fixedly connected with a vertical rod, the inside of the insulating rod is provided with a heating device, the inside of the protection cabinet is provided with a disconnecting component, the inside of the protection cabinet is provided with a reset component, and the surface of the insulating rod is provided with an auxiliary component.

[0008] Further, the top of the upper joint penetrates the insulating rod and extends to the top outer end of the insulating rod, the top of the upper joint is connected with the bottom of the connecting wire, the lower surface of the upper joint is in contact with the inner wall of the lower joint, the bottom of the vertical rod penetrates the insulating rod and extends below the bottom of the base, and the inside of the insulating rod is provided with an insulating cavity.

[0009] Further, the disconnecting component comprises a spring, the bottom of the spring is fixedly connected with the inner wall bottom of the protection cabinet, the top of the spring is fixedly connected with a fixing rod, the top of the fixing rod is fixedly connected with a lifting plate, the surface of the lifting plate is fixedly connected with a sliding frame, the inner wall of the protection cabinet is fixedly connected with a sliding plate, the top of the lifting plate is fixedly connected with a round rod, the top of the round rod is fixedly connected with a toothed plate, the surface of the support rod is fixedly connected with a connecting seat, one end of the connecting seat away from the support rod is rotatably connected with a rotating rod, the surface of the rotating rod is fixedly connected with a gear, the surface of the rotating rod is fixedly connected with a driving wheel, the bottom of the vertical rod is fixedly connected with a toothed rack, the inner wall of the protection cabinet is fixedly connected with a bending frame, the inner wall of the bending frame is mounted with a relay one, one end of the relay one away from the bending frame is mounted with an elastic telescopic rod, one end of the elastic telescopic rod away from the relay one is fixedly connected with a pressing frame, the inner wall of the protection cabinet is fixedly connected with an elastic plug rod frame, the upper surface of the fixing rod is fixedly connected with a round hole rod, and the surface of the round hole rod is fixedly connected with an inclined groove frame.

[0010] Further, the top of the round rod penetrates the protection cabinet and extends to the top outer end of the protection cabinet, the surface of the toothed plate is in meshing connection with the surface of the gear, the surface of the driving wheel is in meshing connection with the surface of the toothed rack, the inner wall of the sliding frame is in sliding connection with the surface of the sliding plate, and the lifting plate is located above the bending frame.

[0011] Further, one end of the pressing frame away from the elastic telescopic rod is in contact with the surface of the elastic plug rod frame, the round hole rod and the inclined groove frame are in communication, one end of the inclined groove frame away from the round hole rod is in contact with the surface of the elastic plug rod frame, and the plug rod end of the elastic plug rod frame is inserted into the inner wall of the round hole rod.

[0012] Further, the reset component comprises a pull plate, the top of the pull plate is hingedly connected with the bottom of the lifting plate, the bottom of the pull plate is hingedly connected with a stress plate, the inner wall of the protection cabinet is fixedly connected with a limiting plate, the surface of the limiting plate is fixedly connected with a driving device, the output end of the driving device is fixedly connected with a driving rod, the surface of the driving rod is fixedly connected with a pressure frame, the inner wall of the stress plate is rotatably connected with the surface of the driving rod, and one end of the limiting plate away from the driving device is mounted with a relay two.

[0013] Further, one end of the stress plate close to the driving rod is located in the inside of the pressure frame, and the stress plate and the pull plate are arranged at a right angle.

[0014] Further, the auxiliary component comprises a connecting pipe, the end of the connecting pipe is communicated with the upper surface of the insulating rod, the surface of the connecting pipe is communicated with an elbow pipe, the bottom of the elbow pipe is communicated with a valve pipe, the bottom of the valve pipe is communicated with a vacuum frame, the inner wall of the vacuum frame is installed with a heater, the surface of the toothed plate is fixedly connected with a magnetic hole elbow rod, the inner wall of the magnetic hole elbow rod is slidably connected with a magnetic rod, the surface of the vacuum frame is fixedly connected with a pressure detection device, the bottom of the magnetic hole elbow rod is fixedly connected with a synchronous plate, the top of the synchronous plate is fixedly connected with an air pressure plate.

[0015] Further, the top of the air pressure plate penetrates the vacuum frame and extends to the inside of the vacuum frame, and the upper surface of the air pressure plate is matched with the inner wall of the heater.

[0016] Further, the top of the vacuum frame is communicated with a detachable sealing feeding pipe, and the surface of the vacuum frame is fixedly connected with the inner wall of the protection cabinet.

[0017] The present application has the following beneficial effects:

[0018] After the mounting plate is installed at the corresponding position, the base is supported by the connection of the mounting plate and the supporting rod, the insulating rod is arranged at the top of the base, the upper joint in the insulating rod is connected with the line through the connecting wire, when the current transformer detects that the circuit in the line has a problem, the current transformer transmits information to the disconnecting component, the disconnecting component starts to work and pulls the vertical rod to move downward, the vertical rod moves downward and pulls the lower joint to slide in the sealing sleeve, the lower joint moves downward and is separated from the upper joint, so that the circuit is disconnected, the inside of the insulating rod is in vacuum, when the upper joint is separated from the lower joint to generate an electric arc, the insulating rod performs arc extinguishing treatment through the vacuum inside, so that the electric arc does not burn the insulating rod, and the protection effect of the insulating rod is improved.

[0019] When the relay one receives the information of the current transformer, the relay one starts to extend the telescopic rod, the telescopic rod pushes the extrusion frame to extrude the elastic plug rod frame when extending, the elastic plug rod frame is separated from the inner wall of the round hole rod after being extruded, at this time, the fixed rod moves upward by the elasticity of the spring, the fixed rod moves the round rod by the lifting plate when moving, the round rod moves the gear by the toothed plate when moving, the rotating rod drives the driving wheel to rotate with the rotation of the gear, the driving wheel pushes the vertical rod to move downward by meshing with the toothed frame when rotating, the vertical rod pulls the lower connector to separate from the upper connector when moving downward, so as to disconnect the circuit and avoid the circuit from being burned out due to disconnection, the upper connector and the lower connector are arranged in the inside of the insulating rod, so as to avoid the electric arc exposed to the outside when the upper connector and the lower connector are separated, so as to avoid the insulating rod from being burned out, further improve the protection effect of the insulating rod, the lifting plate pushes the sliding frame to slide on the surface of the sliding plate when moving, the sliding plate limits the sliding frame, so as to improve the stability of the lifting plate when moving.

[0020] When the lifting plate moves up and down, the stress plate is moved by the pull plate, the stress plate rotates on the surface of the driving rod when moving, when the upper connector and the lower connector need to be connected again, the relay two receives the signal and starts the driving device to work, the driving device drives the driving rod to rotate when working, the driving rod pushes the pressure frame to extrude the stress plate when rotating, the stress plate is reset after being extruded, the lifting plate is pulled downward by the pull plate when moving, the lifting plate reverses the gear by the toothed plate when moving downward, the driving wheel pushes the toothed frame to move upward by reversing, the toothed frame pushes the lower connector to cover the surface of the upper connector by the vertical rod when moving, so as to complete the connection of the circuit, improve the convenience of the device when using, after the lifting plate is reset, the relay one controls the telescopic rod to reset, at this time, the elastic plug rod frame pushes the plug rod end into the inside of the round hole rod by elasticity, so as to fix the lifting plate.

[0021] The application adds sulfur hexafluoride gas in the inside of the insulating rod and the vacuum frame, and sets heating devices and heaters in the inside of the insulating rod and the vacuum frame respectively to heat and treat the sulfur hexafluoride gas, so as to avoid that the sulfur hexafluoride gas becomes liquid due to low temperature and affects the use, when the upper joint and the lower joint are separated and electric arc appears, the high temperature generated by the electric arc can make the sulfur hexafluoride gas form negative ions, the negative ions can cause the electrons unable to move, so that the arc extinguishing effect is achieved, the vacuum degree in the inside of the insulating rod is avoided to be reduced and affect the arc extinguishing effect, the protection effect on the insulating rod is improved, when the lifting plate moves upward, the magnetic attraction hole bending rod and the magnetic attraction rod push the synchronous plate to move upward, when the synchronous plate moves upward, the air pressure plate is pushed to move in the inside of the vacuum frame, when the air pressure plate moves, the sulfur hexafluoride gas in the inside of the vacuum frame is pushed to enter the inside of the valve pipe, and the valve pipe is opened by the pressure, at this time, the sulfur hexafluoride gas in the vacuum frame can be added to the inside of the insulating rod, so that the sulfur hexafluoride gas in the inside of the insulating rod can be kept sufficient, when the gas in the inside of the insulating rod is sufficient, the lifting plate moving upward can pull the magnetic attraction hole bending rod to slide on the surface of the magnetic attraction rod, the magnetic attraction hole bending rod is magnetically connected with the magnetic attraction rod, so as to adaptively adjust the moving distance of the synchronous plate, the operation of the lifting plate is avoided to be affected, the pressure detection device is arranged on the surface of the vacuum frame, the sulfur hexafluoride gas in the inside of the insulating rod is detected by the pressure detection device, so as to timely add the sulfur hexafluoride gas in the insulating rod.

[0022] Of course, it is not necessary for any product embodying the present application to achieve all of the advantages set forth above. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description only show some of the embodiments of the present application, and other drawings can also be obtained by those skilled in the art without any creative effort based on these drawings.

[0024] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0025] Figure 2 It is a schematic diagram of the protection cabinet structure of the present application;

[0026] Figure 3 It is a schematic diagram of the overall structure of the breaking part of the present application;

[0027] Figure 4 It is a schematic diagram of the overall structure of the breaking part of the present application;

[0028] Figure 5 It is another schematic diagram of the breaking part of the present application;

[0029] Figure 6 It is a schematic diagram of the elastic plug rod frame structure of the present application;

[0030] Figure 7 It is the whole structure schematic view of reset component of the present application;

[0031] Figure 8 It is the whole structure schematic view of auxiliary component of the present application;

[0032] Figure 9 It is another structure schematic view of auxiliary component of the present application.

[0033] In the drawings, the components represented by each reference numeral are listed as follows:

[0034] In the drawings, 1, mounting plate; 2, sealing door; 3, support rod; 4, protection cabinet; 5, base; 6, connecting wire; 7, insulating rod; 8, circuit breaking component; 9, disconnecting component; 10, reset component; 11, auxiliary component; 20, vertical rod; 21, sealing sleeve; 22, lower joint; 23, upper joint; 24, heating device; 30, spring; 31, lifting plate; 32, sliding plate; 33, sliding carriage; 34, drive wheel; 35, toothed plate; 36, gear; 37, rotating rod; 38, toothed frame; 39, connecting seat; 40, round rod; 41, fixed rod; 42, relay one; 43, bent frame; 44, round hole rod; 45, inclined slot frame; 46, extrusion frame; 47, elastic plug rod frame; 48, telescopic rod; 50, pull plate; 51, stress plate; 52, pressure frame; 53, drive rod; 54, drive device; 55, relay two; 56, limiting plate; 60, connecting pipe; 61, elbow; 62, valve pipe; 63, vacuum frame; 64, pressure detection device; 65, magnetic attraction hole bent rod; 66, magnetic attraction rod; 67, heater; 68, air pressure plate; 69, synchronization plate. DETAILED DESCRIPTION

[0035] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0036] Please refer to Figures 1-9 As shown in the drawings, the present application is a high-voltage vacuum circuit breaker with protection function, which comprises a mounting plate 1, the top of the mounting plate 1 is fixedly connected with a protection cabinet 4, the inner wall of the protection cabinet 4 is hingedly connected with a sealing door 2, the top of the mounting plate 1 is fixedly connected with a support rod 3, the top of the support rod 3 is fixedly connected with a base 5, the top of the base 5 is fixedly connected with an insulating rod 7, the top of the insulating rod 7 is provided with a connecting wire 6, and the inside of the insulating rod 7 is provided with a circuit breaking component 8;

[0037] The circuit breaking component 8 comprises an upper joint 23, the upper surface of the upper joint 23 is fixedly connected with the inner wall of the insulating rod 7, the inner wall of the insulating rod 7 is fixedly connected with a sealing sleeve 21, the inner wall of the sealing sleeve 21 is slidingly connected with a lower joint 22, the bottom of the lower joint 22 is fixedly connected with a vertical rod 20, the inside of the insulating rod 7 is provided with a heating device 24, after the mounting plate 1 is installed at the corresponding position, the base 5 is supported by the connection of the mounting plate 1 and the supporting rod 3, the insulating rod 7 is arranged at the top of the base 5, the upper joint 23 in the insulating rod 7 is connected with the line by the connecting wire 6, when the current transformer detects that there is a problem in the circuit of the line, the current transformer will transmit information to the disconnecting component 9, the disconnecting component 9 starts to work and pulls the vertical rod 20 to move downward, the vertical rod 20 moves downward to pull the lower joint 22 to slide in the inside of the sealing sleeve 21, the lower joint 22 moves downward to separate from the upper joint 23, so as to break the circuit, the inside of the insulating rod 7 is a vacuum, when the upper joint 23 is separated from the lower joint 22 to generate an electric arc, the insulating rod 7 will extinguish the arc by the vacuum in the inside, the inside of the protection cabinet 4 is provided with the disconnecting component 9, the inside of the protection cabinet 4 is provided with a reset component 10, the surface of the insulating rod 7 is provided with an auxiliary component 11.

[0038] The top of the upper joint 23 penetrates through the insulating rod 7 and extends to the top outer end of the insulating rod 7, the top of the upper joint 23 is connected with the bottom of the connecting wire 6, the lower surface of the upper joint 23 is in contact with the inner wall of the lower joint 22, the bottom of the vertical rod 20 penetrates through the insulating rod 7 and extends below the bottom of the base 5, the inside of the insulating rod 7 is provided with an insulating cavity.

[0039] The disconnecting component 9 comprises a spring 30, the bottom of the spring 30 is fixedly connected with the inner wall bottom of the protection cabinet 4, the top of the spring 30 is fixedly connected with a fixing rod 41, the top of the fixing rod 41 is fixedly connected with a lifting plate 31, the surface of the lifting plate 31 is fixedly connected with a sliding frame 33, the inner wall of the protection cabinet 4 is fixedly connected with a sliding plate 32, the top of the lifting plate 31 is fixedly connected with a round rod 40, the top of the round rod 40 is fixedly connected with a gear plate 35, the surface of the support rod 3 is fixedly connected with a connecting seat 39, one end, away from the support rod 3, of the connecting seat 39 is rotatably connected with a rotating rod 37, the surface of the rotating rod 37 is fixedly connected with a gear wheel 36, the surface of the rotating rod 37 is fixedly connected with a driving wheel 34, the bottom of the vertical rod 20 is fixedly connected with a gear rack 38, the inner wall of the protection cabinet 4 is fixedly connected with a bent frame 43, the inner wall of the bent frame 43 is mounted with a relay one 42, one end, away from the bent frame 43, of the relay one 42 is mounted with an extension rod 48, one end, away from the relay one 42, of the extension rod 48 is fixedly connected with a squeezing frame 46, the inner wall of the protection cabinet 4 is fixedly connected with an elastic plug rod frame 47, when the relay one 42 receives the information of the current transformer, the relay one 42 will start the extension rod 48 to extend, the extension rod 48 pushes the squeezing frame 46 to squeeze the elastic plug rod frame 47 when extending, the elastic plug rod frame 47 will be separated from the inner wall of the round hole rod 44 after being squeezed, at this time, the fixing rod 41 will move upward by the elasticity of the spring 30, the fixing rod 41 moves through the lifting plate 31 to push the round rod 40 to move, the round rod 40 moves through the gear plate 35 to push the gear wheel 36 to rotate, the rotating rod 37 drives the driving wheel 34 to rotate along with the rotation of the gear wheel 36, the driving wheel 34 moves downward through the meshing with the gear rack 38 when rotating, the vertical rod 20 moves downward when pulling the lower connector 22 to separate from the upper connector 23, so as to disconnect the circuit to avoid the circuit from being burned out due to disconnection, the upper connector 22 and the lower connector 23 are arranged in the inside of the insulating rod 7, so as to avoid the electric arc from being exposed outside when the upper connector 22 and the lower connector 23 are separated, the upper surface of the fixing rod 41 is fixedly connected with the round hole rod 44, the surface of the round hole rod 44 is fixedly connected with the inclined groove frame 45.

[0040] The top of the round rod 40 penetrates through the protection cabinet 4 and extends to the top outer end of the protection cabinet 4, the surface of the gear plate 35 is meshed with the surface of the gear wheel 36, the surface of the driving wheel 34 is meshed with the surface of the gear rack 38, the inner wall of the sliding frame 33 is slidingly connected with the surface of the sliding plate 32, and the lifting plate 31 is located above the bent frame 43.

[0041] One end, away from the extension rod 48, of the squeezing frame 46 is in contact with the surface of the elastic plug rod frame 47, the round hole rod 44 is in communication with the inclined groove frame 45, one end, away from the round hole rod 44, of the inclined groove frame 45 is in contact with the surface of the elastic plug rod frame 47, and the plug rod end of the elastic plug rod frame 47 is inserted into the inner wall of the round hole rod 44.

[0042] The reset component 10 comprises a pull plate 50, the top of the pull plate 50 is hinged to the bottom of the lifting plate 31, the bottom of the pull plate 50 is hinged to a force plate 51, the inner wall of the protective cabinet 4 is fixedly connected with a limiting plate 56, the surface of the limiting plate 56 is fixedly connected with a driving device 54, the output end of the driving device 54 is fixedly connected with a driving rod 53, the surface of the driving rod 53 is fixedly connected with a pressure frame 52, the inner wall of the force plate 51 is rotationally connected with the surface of the driving rod 53, the end, away from the driving device 54, of the limiting plate 56 is provided with a relay two 55, when the lifting plate 31 moves up and down, the force plate 51 is pulled to move by the pull plate 50, when the force plate 51 moves, the force plate 51 rotates on the surface of the driving rod 53, when it is needed to reconnect the upper connector 22 and the lower connector 23, after the relay two 55 receives a signal, the driving device 54 starts to work, when the driving device 54 works, the driving rod 53 rotates, when the driving rod 53 rotates, the pressure frame 52 pushes the force plate 51, after the force plate 51 is pressed, the force plate 51 moves to reset, when the force plate 51 moves, the lifting plate 31 moves downward by the pull plate 50, when the lifting plate 31 moves downward, the gear plate 35 pushes the gear 36 to reverse, the driving wheel 34 pushes the toothed frame 38 to move upward by reversing, when the toothed frame 38 moves, the lower connector 22 is sleeved on the surface of the upper connector 23 by the vertical rod 20, so that the connection of the circuit is completed.

[0043] The end, close to the driving rod 53, of the force plate 51 is located in the interior of the pressure frame 52, the force plate 51 is arranged at a right angle with the pull plate 50.

[0044] The auxiliary component 11 comprises a connecting pipe 60, the end of the connecting pipe 60 is communicated with the upper surface of the insulating rod 7, the surface of the connecting pipe 60 is communicated with a bend pipe 61, the bottom of the bend pipe 61 is communicated with a valve pipe 62, the bottom of the valve pipe 62 is communicated with a vacuum frame 63, the inner wall of the vacuum frame 63 is provided with a heater 67, the surface of the gear plate 35 is fixedly connected with a magnetic hole bent rod 65, the inner wall of the magnetic hole bent rod 65 is slidably connected with a magnetic rod 66, the surface of the vacuum frame 63 is fixedly connected with a pressure detection device 64, the bottom of the magnetic hole bent rod 65 is fixedly connected with a synchronous plate 69, the top of the synchronous plate 69 is fixedly connected with an air pressure plate 68, sulfur hexafluoride gas is added in the interior of the insulating rod 7 and the vacuum frame 63, the heating device 24 and the heater 67 are respectively arranged in the interior of the insulating rod 7 and the vacuum frame 63 to heat treat the sulfur hexafluoride gas, so as to avoid that the sulfur hexafluoride gas becomes liquid due to low temperature and affects the use, when the upper connector 22 and the lower connector 23 are separated and electric arc appears, the high temperature generated by the electric arc can make the sulfur hexafluoride gas form negative ions, the negative ions can make the electrons unable to move, so that the effect of extinguishing arc is achieved, the vacuum degree in the interior of the insulating rod 7 is avoided to be reduced to affect the extinguishing arc effect, and the protection effect of the insulating rod 7 is improved.

[0045] The top of the air pressure plate 68 penetrates the vacuum frame 63 and extends to the inside of the vacuum frame 63, and the upper surface of the air pressure plate 68 is matched with the inner wall of the heater 67.

[0046] The top of the vacuum frame 63 is communicated with a detachable sealed feeding pipe, and the surface of the vacuum frame 63 is fixedly connected with the inner wall of the protection cabinet 4.

[0047] When in use, after the mounting plate 1 is installed in the corresponding position, the base 5 is supported by the connection of the mounting plate 1 and the support rod 3, and the insulating rod 7 is arranged on the top of the base 5, the upper joint 23 in the insulating rod 7 is connected with the line through the connecting line 6, when the current transformer detects that there is a problem in the circuit in the line, the current transformer will transmit information to the disconnecting part 9, the disconnecting part 9 starts to work and pulls the vertical rod 20 to move downward, the vertical rod 20 moves downward and pulls the lower joint 22 to slide in the sealing sleeve 21, the lower joint 22 moves downward and separates from the upper joint 23, so that the circuit is disconnected, the inside of the insulating rod 7 is a vacuum, when the upper joint 23 separates from the lower joint 22 to generate an electric arc, the insulating rod 7 will extinguish the arc through the vacuum in the inside to avoid that the electric arc burns the insulating rod 7, and the protection effect of the insulating rod 7 is improved, when the relay one 42 receives the information of the current transformer, the relay one 42 will start the telescopic rod 48 to extend, the telescopic rod 48 pushes the extrusion frame 46 to extrude the elastic plug rod frame 47 when extending, the elastic plug rod frame 47 separates from the inner wall of the circular hole rod 44 after being extruded, at this time, the fixed rod 41 moves upward by the elasticity of the spring 30, the fixed rod 41 moves the circular rod 40 through the lifting plate 31 when moving, the circular rod 40 drives the gear 36 to rotate through the toothed plate 35 when moving, the rotating rod 37 drives the driving wheel 34 to rotate by the rotation of the gear 36, the driving wheel 34 drives the vertical rod 20 to move downward through the meshing with the toothed frame 38 when rotating, the vertical rod 20 pulls the lower joint 22 to separate from the upper joint 23 when moving downward, so that the circuit is disconnected, avoiding the circuit from being burned due to disconnection, the upper joint 22 and the lower joint 23 are arranged in the inside of the insulating rod 7, avoiding that the electric arc exposed outside when the upper joint 22 separates from the lower joint 23 is difficult to be extinguished, so that the insulating rod 7 is avoided from being burned, and the protection effect of the insulating rod 7 is further improved, the lifting plate 31 drives the sliding frame 33 to slide on the surface of the sliding plate 32 when moving, the sliding plate 32 limits the sliding frame 33, so that the stability of the lifting plate 31 when moving is improved, the lifting plate 31 drives the stress plate 51 to move through the pull plate 50 when moving up and down, the stress plate 51 rotates on the surface of the driving rod 53 when moving, when the upper joint 22 and the lower joint 23 need to be connected again, the relay two 55 starts the driving device 54 to work after receiving the signal, the driving device 54 drives the driving rod 53 to rotate when working, the driving rod 53 drives the pressure frame 52 to extrude the stress plate 51 when rotating, the stress plate 51 resets after being extruded, the stress plate 51 drives the lifting plate 31 to move downward through the pull plate 50 when moving, the lifting plate 31 drives the gear 36 to reverse through the toothed plate 35 when moving downward, the driving wheel 34 drives the toothed frame 38 to move upward through the reverse, the toothed frame 38 drives the lower joint 22 to be sleeved on the surface of the upper joint 23 through the vertical rod 20 when moving, so that the connection of the circuit is completed, the convenience of the device when in use is improved, after the lifting plate 31 resets,The relay 42 controls the telescopic rod 48 to reset, at this time the elastic plug rod holder 47 will use the elastic push plug rod end into the internal of the round hole rod 44, so as to fix the lifting plate 31, the sulfur hexafluoride gas is added in the internal of the insulation rod 7 and the vacuum frame 63, the heating device 24 and the heater 67 are arranged in the internal of the insulation rod 7 and the vacuum frame 63 respectively, the sulfur hexafluoride gas is heated and treated, the temperature is low, the sulfur hexafluoride gas becomes liquid, and the use is affected, when the upper joint 22 and the lower joint 23 are separated, the high temperature of the electric arc will make the sulfur hexafluoride gas form negative ions, the negative ions will cause the electrons to be unable to move, so that the arc extinguishing effect is achieved, the vacuum degree in the internal of the insulation rod 7 is reduced, the arc extinguishing effect is affected, the protection effect of the insulation rod 7 is improved, when the lifting plate 31 moves upwards, the magnetic attraction hole bending rod 65 and the magnetic attraction rod 66 push the synchronous plate 69 to move upwards, when the synchronous plate 69 moves upwards, the air pressure plate 68 moves in the internal of the vacuum frame 63, when the air pressure plate 68 moves, the sulfur hexafluoride gas in the internal of the vacuum frame 63 enters the internal of the valve pipe 62, and the valve pipe 62 is opened through pressure, at this time the sulfur hexafluoride gas in the vacuum frame 63 can be added to the internal of the insulation rod 7, so that the sulfur hexafluoride gas in the internal of the insulation rod 7 can be kept sufficient, when the gas in the internal of the insulation rod 7 is sufficient, the lifting plate 31 moves upwards and pulls the magnetic attraction hole bending rod 65 to slide on the surface of the magnetic attraction rod 66, the magnetic attraction hole bending rod 65 is magnetically connected with the magnetic attraction rod 66, so as to adaptively adjust the moving distance of the synchronous plate 69, so as to avoid affecting the operation of the lifting plate 31, the pressure detection device 64 is arranged on the surface of the vacuum frame 63, the sulfur hexafluoride gas in the internal of the insulation rod 7 is detected through the pressure detection device 64, so as to add the sulfur hexafluoride gas in the insulation rod 7 in time.

[0048] The preferred embodiments of the application disclosed above are only used to help explain the application. The preferred embodiments do not describe all the details, and the application is not limited to the specific embodiments described. Obviously, many modifications and changes can be made according to the content of the specification. The specification selects and describes these embodiments in order to better explain the principles and practical applications of the application, so that those skilled in the art can well understand and use the application. The application is limited by the claims and their entire scope and equivalents.

Claims

1. A high-voltage vacuum circuit breaker with a protective function, comprising a mounting plate (1), a protective cabinet (4) fixedly connected to the top of the mounting plate (1), a sealing door (2) hinged on the inner wall of the protective cabinet (4), a support rod (3) fixedly connected to the top of the support rod (3), a base (5) fixedly connected to the top of the base (5), an insulating rod (7) fixedly connected to the top of the insulating rod (7), a connecting wire (6) provided on the top of the insulating rod (7), characterized in that: A circuit breaker component (8) is provided inside the insulating rod (7); The disconnecting component (8) comprises an upper joint (23), the upper surface of the upper joint (23) is fixedly connected to the inner wall of the insulating rod (7), the inner wall of the insulating rod (7) is fixedly connected to a sealing sleeve (21), the inner wall of the sealing sleeve (21) is slidably connected to a lower joint (22), the bottom of the lower joint (22) is fixedly connected to a hanging rod (20), a heating device (24) is provided inside the insulating rod (7), a disconnecting component (9) is provided inside the protective cabinet (4), a resetting component (10) is provided inside the protective cabinet (4), and an auxiliary component (11) is provided on the surface of the insulating rod (7).

2. A high-voltage vacuum circuit breaker with a protective function according to claim 1, characterized in that: The top of the upper joint (23) passes through the insulating rod (7) and extends to the outer end of the top of the insulating rod (7); the top of the upper joint (23) is connected to the bottom of the connecting line (6); the lower surface of the upper joint (23) contacts the inner wall of the lower joint (22); the bottom of the vertical rod (20) passes through the insulating rod (7) and extends to below the bottom of the base (5); and an insulating cavity is provided inside the insulating rod (7).

3. The high-voltage vacuum circuit breaker with a protective function according to claim 2, characterized in that: The disconnecting component (9) includes a spring (30), the bottom of the spring (30) is fixedly connected to the bottom of the inner wall of the protective cabinet (4), the top of the spring (30) is fixedly connected to a fixed rod (41), the top of the fixed rod (41) is fixedly connected to a lifting plate (31), the surface of the lifting plate (31) is fixedly connected to a slide (33), the inner wall of the protective cabinet (4) is fixedly connected to a slide plate (32), the top of the lifting plate (31) is fixedly connected to a round rod (40), the top of the round rod (40) is fixedly connected to a tooth plate (35), the surface of the support rod (3) is fixedly connected to a connecting seat (39), the connecting seat (39) is rotatably connected to a rotating rod (37) away from the end of the support rod (3), and the rotating rod (37) is fixedly connected to the rotating rod (37). ) is fixedly connected to the surface of the gear (36), the surface of the rotating rod (37) is fixedly connected to the driving wheel (34), the bottom of the vertical rod (20) is fixedly connected to the tooth frame (38), the inner wall of the protective cabinet (4) is fixedly connected to the bent frame (43), the inner wall of the bent frame (43) is installed with a relay 1 (42), the end of the relay 1 (42) away from the bent frame (43) is installed with a telescopic rod (48), the end of the telescopic rod (48) away from the relay 1 (42) is fixedly connected to an extrusion frame (46), the inner wall of the protective cabinet (4) is fixedly connected to an elastic rod frame (47), the upper surface of the fixed rod (41) is fixedly connected to a round hole rod (44), and the surface of the round hole rod (44) is fixedly connected to an inclined slot frame (45).

4. A high-voltage vacuum circuit breaker with a protective function according to claim 3, characterized in that: The top of the round rod (40) passes through the protective cabinet (4) and extends to the outer end of the top of the protective cabinet (4); the surface of the tooth plate (35) and the surface of the gear (36) are meshed with each other; the surface of the driving wheel (34) and the surface of the tooth rack (38) are meshed with each other; the inner wall of the slide (33) is slidably connected to the surface of the slide plate (32); and the lifting plate (31) is located above the bent frame (43).

5. The high-voltage vacuum circuit breaker with a protective function according to claim 4, characterized in that: One end of the extrusion frame (46) away from the telescopic rod (48) contacts the surface of the elastic rod insertion frame (47), the round hole rod (44) and the inclined groove frame (45) are communicated with each other, one end of the inclined groove frame (45) away from the round hole rod (44) contacts the surface of the elastic rod insertion frame (47), and the insertion rod end of the elastic rod insertion frame (47) is plugged into the inner wall of the round hole rod (44).

6. The high-voltage vacuum circuit breaker with a protective function according to claim 5, characterized in that: The reset component (10) includes a pull plate (50), the top of the pull plate (50) is hinged to the bottom of the lifting plate (31), the bottom of the pull plate (50) is hinged to a force-bearing plate (51), the inner wall of the protective cabinet (4) is fixedly connected to a limit plate (56), the surface of the limit plate (56) is fixedly connected to a driving device (54), the output end of the driving device (54) is fixedly connected to a driving rod (53), the surface of the driving rod (53) is fixedly connected to a pressure frame (52), the inner wall of the force-bearing plate (51) is rotatably connected to the surface of the driving rod (53), and a relay 2 (55) is installed at the end of the limit plate (56) away from the driving device (54).

7. The high-voltage vacuum circuit breaker with a protective function according to claim 6, characterized in that: One end of the force-bearing plate (51) close to the driving rod (53) is located inside the pressure frame (52), and the force-bearing plate (51) and the pulling plate (50) are arranged at right angles.

8. The high-voltage vacuum circuit breaker with a protective function according to claim 7, characterized in that: The auxiliary component (11) includes a connecting pipe (60), the end of the connecting pipe (60) is connected to the upper surface of the insulating rod (7), the surface of the connecting pipe (60) is connected to a bent pipe (61), the bottom of the bent pipe (61) is connected to a valve pipe (62), the bottom of the valve pipe (62) is connected to a vacuum rack (63), the inner wall of the vacuum rack (63) is installed with a heater (67), the surface of the tooth plate (35) is fixedly connected to a magnetic hole bent rod (65), the inner wall of the magnetic hole bent rod (65) is slidably connected to a magnetic rod (66), the surface of the vacuum rack (63) is fixedly connected to a pressure detection device (64), the bottom of the magnetic hole bent rod (65) is fixedly connected to a synchronization plate (69), and the top of the synchronization plate (69) is fixedly connected to an air pressure plate (68).

9. The high-voltage vacuum circuit breaker with a protective function according to claim 8, characterized in that: The top of the air pressure plate (68) passes through the vacuum frame (63) and extends to the interior of the vacuum frame (63), and the upper surface of the air pressure plate (68) is adapted to the inner wall of the heater (67).

10. The high-voltage vacuum circuit breaker with a protective function according to claim 9, characterized in that: The top of the vacuum rack (63) is connected to a detachable sealed feeding pipe, and the surface of the vacuum rack (63) is fixedly connected to the inner wall of the protective cabinet (4).

Images