CN112530738A - High-voltage circuit breaker switch for power-off protection by utilizing vacuum principle - Google Patents
High-voltage circuit breaker switch for power-off protection by utilizing vacuum principle Download PDFInfo
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- CN112530738A CN112530738A CN202011403978.4A CN202011403978A CN112530738A CN 112530738 A CN112530738 A CN 112530738A CN 202011403978 A CN202011403978 A CN 202011403978A CN 112530738 A CN112530738 A CN 112530738A
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- rod
- plate
- side wall
- sliding
- circuit breaker
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/666—Operating arrangements
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/0015—Means for testing or for inspecting contacts, e.g. wear indicator
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/46—Interlocking mechanisms
- H01H33/50—Interlocking mechanisms for interlocking two or more parts of the mechanism for operating contacts
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/662—Housings or protective screens
- H01H33/66207—Specific housing details, e.g. sealing, soldering or brazing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/664—Contacts; Arc-extinguishing means, e.g. arcing rings
Abstract
The invention relates to the technical field of high-voltage circuit breakers, in particular to a high-voltage circuit breaker switch for performing power failure protection by utilizing a vacuum principle, which comprises a resin outer cladding, wherein a vacuum ceramic shell is fixedly arranged in an inner cavity of the resin outer cladding; through setting up laser distance sensor, outer isolation sleeve and interior isolation sleeve, make can measure the interval between mounting panel and the sliding plate at laser distance sensor during operation, and then judge the degree of wear of moving conductive contact, be connected laser distance sensor and electric wire netting management terminal, when this switch is closed, laser distance sensor can real-time detection sliding plate and the interval between the mounting panel, and real-time transmission to electric wire netting management terminal, managers can be according to the measured distance judge the degree of wear between moving conductive contact and the quiet conductive contact, so that maintain in advance and change this switch, reduce because quiet conductive contact and move the problem that conductive contact wearing and tearing seriously caused the outage suddenly.
Description
Technical Field
The invention relates to the technical field of high-voltage circuit breakers, in particular to a high-voltage circuit breaker switch for performing power failure protection by utilizing a vacuum principle.
Background
The high-voltage circuit breaker (or called high-voltage switch) not only can cut off or close the no-load current and load current in the high-voltage circuit, but also can cut off the overload current and short-circuit current by the action of a relay protection device when the system has a fault, has a quite perfect arc extinguishing structure and enough current breaking capacity, and can be divided into an oil circuit breaker (a multi-oil circuit breaker and a low-oil circuit breaker), a sulfur hexafluoride circuit breaker (SF6 circuit breaker), a compressed air circuit breaker, a vacuum circuit breaker and the like.
The existing high-voltage circuit breaker has the defects that self-locking cannot be realized when the circuit breaker is opened and closed, and meanwhile, early warning on the abrasion of a conductive contact is not provided.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a high-voltage circuit breaker switch for power failure protection by using a vacuum principle.
In order to achieve the purpose, the invention adopts the following technical scheme:
a high-voltage circuit breaker switch for power failure protection by utilizing a vacuum principle is designed, and comprises a resin outer wrapping layer, wherein a vacuum ceramic shell is fixedly arranged in an inner cavity of the resin outer wrapping layer, a static cover plate is fixedly arranged at the center of the upper side wall of the vacuum ceramic shell, a conductive inlet rod is fixedly arranged in the inner cavity of the static cover plate, a shielding cylinder is fixedly arranged in the inner cavity, an upper wiring port is fixedly arranged on the lower side wall of the conductive inlet rod, an upper wiring port and a lower wiring port which are integrally formed are respectively arranged on the upper side and the lower side of the right side wall of the resin outer wrapping layer, an upper wiring terminal is fixedly arranged in the inner cavity of the upper wiring port, the upper wiring terminal is fixedly connected with one end of the conductive inlet rod, which is far away from the inner cavity of the resin outer wrapping layer, a static conductive contact is fixedly arranged at one end, the inner chamber slidable mounting of uide bushing has the bellows, the lower lateral wall fixed mounting of bellows has movable apron, the last lateral wall fixed mounting of bellows has the bellows shield cover, the one end that quiet conductive contact kept away from last binding post is equipped with moves conductive contact, move conductive contact and keep away from the one end fixed mounting of quiet conductive contact has and moves the conducting rod, it runs through bellows shield cover, bellows and the movable apron to move the conducting rod, move the conducting rod with bellows fixed connection, the outside fixed mounting that moves the conducting rod has the conductive cylinder row, the conductive cylinder row is located the below of movable apron, the inner chamber fixed mounting that connects the port down has lower electricity connection terminal, lower electricity terminal is close to the one end fixed mounting of resin surrounding layer inner chamber has flexible conductive cable, flexible conductive cable keeps away from the one end that connects down the electricity terminal with conductive cylinder row fixed connection, the lower side wall of the resin outer cladding layer is fixedly provided with a bottom plate, one side of the bottom plate, which is far away from the resin outer cladding layer, is fixedly provided with a transmission box, the center of the upper side wall of the transmission box is provided with an insulating sliding rod in a sliding manner, a ceramic shielding column is fixedly arranged between the insulating sliding rod and the movable conducting rod, and the inner cavity of the insulating sliding rod is provided with an adjusting device.
Preferably, the adjusting device comprises a partition plate, the partition plate is fixedly installed in the inner cavity of the transmission case, vertical plates are symmetrically and fixedly installed on the lower side wall of the partition plate, a traction rod is fixedly installed on the lower side wall of the insulating sliding rod, a sliding plate is fixedly installed on one side wall, far away from the vacuum ceramic shell, of the traction rod, springs are symmetrically and fixedly installed at one end, far away from the traction rod, of the sliding plate, the springs are fixedly connected with the lower side wall of the inner cavity of the transmission case, sliding blocks are fixedly installed on the front side wall and the rear side wall of the sliding plate, and sliding grooves matched with the vertical plates are.
Preferably, a V-shaped limiting rod is rotatably mounted between the two groups of vertical plates, a movable limiting block is fixedly mounted on the front side wall of the V-shaped limiting rod, and a static limiting block matched with the movable limiting block is fixedly mounted on the right side wall of the traction rod.
Preferably, the lower lateral wall of baffle rotates and installs the telescopic link, the outside cover of telescopic link is equipped with spacing spring, the telescopic link is kept away from the one end of baffle with the V-arrangement gag lever post rotates and is connected.
Preferably, a transmission rod is arranged below the telescopic rod, penetrates through the vertical plate and the transmission box and extends to the outer side of the transmission box, the transmission rod is rotatably connected with the vertical plate and the transmission box, an unlocking deflector rod is fixedly installed on the outer side of the transmission rod, the unlocking deflector rod and the V-shaped limiting rod are located in the same vertical plane, and a second hand wheel is fixedly installed at the rear end of the transmission rod.
Preferably, a poking rod is arranged on the front side of the unlocking poking rod and fixedly connected with the transmission rod, a poking block is fixedly mounted on one side, close to the poking rod, of the traction rod, and the poking block and the poking rod are located in the same vertical plane.
Preferably, a mounting plate is arranged between the partition plate and the sliding plate, sliding blocks are fixedly mounted on the front side wall and the rear side wall of the mounting plate, sliding grooves matched with the sliding blocks are formed in the opposite side walls of the two groups of vertical plates, the sliding blocks are slidably mounted in the inner cavity of the sliding grooves, and a laser distance sensor is fixedly mounted on the lower side wall of the mounting plate.
Preferably, an outer isolation sleeve is installed on the lower side wall of the installation plate, the outer isolation sleeve is sleeved on the outer side of the laser distance sensor, an inner isolation sleeve is fixedly installed on the upper side wall of the sliding plate, and the inner cavity of the outer isolation sleeve is sleeved with the inner isolation sleeve.
Preferably, the mounting panel is kept away from the center department of a lateral wall of laser distance sensor rotates and installs adjusting screw, adjusting screw runs through the baffle extends to the top of baffle, adjusting screw with baffle threaded connection, adjusting screw's outside slidable mounting has the worm wheel, the worm wheel with the baffle rotates to be connected, the rear side meshing of worm wheel installs the worm, the outside of worm is rotated and is installed the supporting shoe, the supporting shoe with baffle fixed connection, the worm runs through the transmission case extends to the outside of transmission case, the worm with the transmission case rotates to be connected, the worm is kept away from the one end fixed mounting of worm wheel has first hand wheel.
The invention provides a high-voltage circuit breaker switch for power failure protection by utilizing a vacuum principle, which has the beneficial effects that:
1. through setting up traction lever, spring and transfer line for can drive the poke rod and unblock poking lever through rotating the transfer line and rotate, and then drive the traction lever and move conductive contact up-and-down motion, realize opening and shutting to this circuit breaker, spacing spring and quiet stopper mutually support simultaneously, can effectively realize the locking that opens and shuts to this circuit breaker.
2. By arranging the laser distance sensor, the outer isolation sleeve and the inner isolation sleeve, the distance between the mounting plate and the sliding plate can be measured when the laser distance sensor works, so that the abrasion degree of the movable conductive contact can be judged, when the switch is closed, the laser distance sensor can detect the distance between the sliding plate and the mounting plate in real time, and transmitted to the power grid management terminal in real time, and the manager can judge the abrasion degree between the movable conductive contact and the static conductive contact according to the measured distance, the switch is convenient to maintain and replace in advance, the problem of sudden power failure caused by serious abrasion of the static conductive contact and the movable conductive contact is reduced, the outer isolation sleeve and the inner isolation sleeve are used for isolating the influence of factors such as external illumination, dust and the like on the laser distance sensor, and the measurement precision of the laser distance sensor is improved.
Drawings
Fig. 1 is a sectional view of a high voltage circuit breaker switch structure for power failure protection using a vacuum principle according to the present invention;
FIG. 2 is an enlarged view of the structure of part A of a high voltage circuit breaker switch for power failure protection by vacuum principle according to the present invention;
FIG. 3 is a bottom view of a mounting plate structure of a high voltage circuit breaker switch for protection against power failure using vacuum principles in accordance with the present invention;
fig. 4 is a top view of a drawbar structure of a high-voltage circuit breaker switch for power failure protection using vacuum principle according to the present invention;
FIG. 5 is a top view of an unlocking lever structure of a high-voltage circuit breaker switch for power failure protection by using a vacuum principle according to the present invention;
FIG. 6 is a front view of a high voltage circuit breaker switch structure for protection against power failure using vacuum principles in accordance with the present invention;
fig. 7 is a top view of an adjusting screw structure of a high-voltage circuit breaker switch for performing power failure protection by using a vacuum principle according to the present invention.
In the figure: the device comprises a resin outer cladding layer 1, a vacuum ceramic shell 2, a static cover plate 3, a conductive inlet rod 4, an upper wiring port 5, an upper wiring terminal 6, a shielding cylinder 7, a static conductive contact 8, a movable cover plate 9, a corrugated pipe 10, a guide sleeve 11, a corrugated pipe shielding cover 12, a movable conductive rod 13, a movable conductive contact 14, a conductive cylinder row 15, a lower wiring port 16, a lower electric terminal 17, a flexible conductive cable 18, a ceramic shielding column 19, a bottom plate 20, a transmission box 21, an insulating sliding rod 22, a partition plate 23, a vertical plate 24, a traction rod 25, a sliding plate 26, a spring 27, a sliding chute 28, a V-shaped limiting rod 29, a movable limiting block 30, a static limiting block 31, a limiting spring 32, a telescopic rod 33, a transmission rod 34, an unlocking deflector rod 35, a deflector rod 36, a deflector block 37, a mounting plate 38, a laser distance sensor 39, an outer isolation sleeve 40, an inner isolation sleeve 41, worm 45, supporting block 46, first hand wheel 47, second hand wheel 48, slide block 49, slider 50.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-7, a high voltage circuit breaker switch for power failure protection by using vacuum principle comprises a resin cladding layer 1, a vacuum ceramic shell 2 is fixedly installed in the inner cavity of the resin cladding layer 1, a static cover plate 3 is fixedly installed at the center of the upper side wall of the vacuum ceramic shell 2, a conductive inlet rod 4 is fixedly installed in the inner cavity of the static cover plate 3, a shielding cylinder 7 is fixedly installed in the inner cavity of the resin cladding layer 2, an upper wiring port 5 is fixedly installed on the lower side wall of the conductive inlet rod 4, an upper wiring port 5 and a lower wiring port 16 which are integrally formed are respectively arranged on the upper side and the lower side of the right side wall of the resin cladding layer 1, an upper wiring terminal 6 is fixedly installed in the inner cavity of the upper wiring port 5, the upper wiring terminal 6 is fixedly connected with one end of the conductive inlet rod 4 far away from the inner cavity of, a guide sleeve 11 is fixedly installed on the lower side of an inner cavity of the vacuum ceramic shell 2, a corrugated pipe 10 is slidably installed in the inner cavity of the guide sleeve 11, a movable cover plate 9 is fixedly installed on the lower side wall of the corrugated pipe 10, a corrugated pipe shield 12 is fixedly installed on the upper side wall of the corrugated pipe 10, a movable conductive contact 14 is arranged at one end, far away from the upper wiring terminal 6, of the static conductive contact 8, a movable conductive rod 13 is fixedly installed at one end, far away from the static conductive contact 8, of the movable conductive contact 14, the movable conductive rod 13 penetrates through the corrugated pipe shield 12, the corrugated pipe 10 and the movable cover plate 9, the movable conductive rod 13 is fixedly connected with the corrugated pipe 10, a conductive cylinder row 15 is fixedly installed on the outer side of the movable conductive rod 13, the conductive cylinder row 15 is located below the movable cover plate 9, a lower electric terminal 17 is fixedly installed in the inner cavity of, one end of the flexible conductive cable 18, which is far away from the lower conductive contact 17, is fixedly connected with the conductive cylinder row 15, the upper wiring terminal 6 is used for connecting an input high-voltage power line, the lower conductive contact 17 is used for connecting an output high-voltage power line, and the movable conductive contact 14 is communicated with the lower conductive contact 17 after being contacted with the static conductive contact 8, so that current flows from the upper wiring terminal 6 to the lower conductive contact 17, and when the movable conductive contact 14 is disconnected from the static conductive contact 8, the high-voltage power supply is disconnected, and the circulation of the current is prevented.
The lower lateral wall fixed mounting of resin surrounding layer 1 has bottom plate 20, one side fixed mounting that resin surrounding layer 1 was kept away from to bottom plate 20 has transmission case 21, the upper lateral wall center department slidable mounting of transmission case 21 has insulating slide bar 22, insulating slide bar 22 and move fixed mounting between the conducting rod 13 have ceramic shielding post 19, ceramic shielding post 19 is used for slowing down and moves conducting rod 13 and insulating slide bar 22 and insulate, prevents that the electric current from flowing and causing the potential safety hazard on insulating slide bar 22.
An adjusting device is arranged in the inner cavity of the insulating sliding rod 22, the adjusting device comprises a partition plate 23, the partition plate 23 is fixedly arranged in the inner cavity of the transmission case 21, vertical plates 24 are symmetrically and fixedly arranged on the lower side wall of the partition plate 23, a traction rod 25 is fixedly arranged on the lower side wall of the insulating sliding rod 22, a sliding plate 26 is fixedly arranged on one side wall of the traction rod 25 far away from the vacuum ceramic shell 2, springs 27 are symmetrically and fixedly arranged at one end of the sliding plate 26 far away from the traction rod 25, the springs 27 are fixedly connected with the lower side wall of the inner cavity of the transmission case 21, sliding blocks 50 are fixedly arranged on the front side wall and the rear side wall of the sliding plate 26, a sliding groove 28 which is matched with one side wall of the vertical plate 24 close to the sliding block 50 is formed, a V-shaped limiting rod 29 is rotatably arranged between the two groups of vertical plates, an expansion link 33 is rotatably mounted on the lower side wall of the partition plate 23, a limiting spring 32 is sleeved on the outer side of the expansion link 33, one end of the expansion link 33, which is far away from the partition plate 23, is rotatably connected with a V-shaped limiting rod 29, a transmission rod 34 is arranged below the expansion link 33, penetrates through the vertical plate 24 and the transmission box 21 and extends to the outer side of the transmission box 21, the transmission rod 34 is rotatably connected with the vertical plate 24 and the transmission box 21, an unlocking shift lever 35 is fixedly mounted on the outer side of the transmission rod 34, the unlocking shift lever 35 and the V-shaped limiting rod 29 are positioned in the same vertical plane, a second wheel 48 is fixedly mounted at the rear end of the transmission rod 34, a toggle rod 36 is arranged on the front side of the unlocking shift lever 35, the toggle rod 36 is fixedly connected with the transmission rod 34, a toggle block 37 is fixedly mounted on one side of the traction rod 25, which is close to the toggle rod, and further the insulation sliding rod 22, the movable conducting rod 13 and the movable conducting contact 14 move upwards to make the movable conducting contact 14 contact with the static conducting contact 8, and further make the whole switch in a closed state, the limiting spring 32 is used for pushing the telescopic rod 33 to contract by utilizing the self elastic action, and further pulls the V-shaped limiting rod 29 to rotate, so that the V-shaped limiting rod 29 contacts with the draw bar 25, the transmission rod 34 is used for driving the poking rod 36 and the unlocking poking rod 35 to rotate when rotating, the poking rod 36 pokes the poking block 37 to move downwards when rotating, and drives the draw bar 25, the insulation sliding rod 22, the ceramic shielding column 19 and the movable conducting contact 14 to move towards each other, so that the whole switch is disconnected, and drives the movable limiting block 31 to move downwards synchronously when the draw bar 25 moves towards each other, and after the bottom of the static limiting block 31 contacts with the movable limiting block 30, the static limiting block 31 pushes the movable limiting block, meanwhile, the telescopic rod 33 and the limiting spring 32 are contracted, when the static limiting block 31 moves to the bottom end of the movable limiting block 30, the limiting spring 32 pushes the telescopic rod 33 to extend and pull the V-shaped limiting rod 29 to rotate, so that the movable limiting block 30 is contacted with the traction rod 25 again, the static limiting block 31 is limited, the whole switch is opened and then self-locked, when the unlocking shift lever 35 rotates to be contacted with the V-shaped limiting rod 29, the unlocking shift lever 35 shifts the V-shaped limiting rod 29 to rotate, the movable limiting block 30 is separated from being contacted with the traction rod 25, the limiting on the static limiting block 31 is stopped, then the spring 27 recovers deformation, the sliding plate 26, the traction rod 25, the insulating sliding rod 22 and the movable conductive contact 14 are pushed to move upwards until the movable conductive contact 14 is contacted with the static conductive contact 8, and the whole switch is closed.
A mounting plate 38 is arranged between the partition plate 23 and the sliding plate 26, sliding blocks 49 are fixedly mounted on the front side wall and the rear side wall of the mounting plate 38, sliding grooves 43 matched with the sliding blocks 49 are formed in the opposite side walls of the two groups of vertical plates 24, the sliding blocks 49 are slidably mounted in the inner cavities of the sliding grooves 43, a laser distance sensor 39 is fixedly mounted on the lower side wall of the mounting plate 38, an outer isolation sleeve 40 is mounted on the lower side wall of the mounting plate 38, the outer isolation sleeve 40 is sleeved outside the laser distance sensor 39, an inner isolation sleeve 41 is fixedly mounted on the upper side wall of the sliding plate 26, the inner isolation sleeve 41 is sleeved inside the inner cavity of the outer isolation sleeve 40, an adjusting screw 42 is rotatably mounted at the center of one side wall of the mounting plate 38 far away from the laser distance sensor 39, the adjusting screw 42 penetrates through the partition plate 23 and extends to the upper, the worm wheel 44 is rotatably connected with the partition plate 23, the rear side of the worm wheel 44 is meshed with and provided with a worm 45, the outer side of the worm 45 is rotatably provided with a supporting block 46, the supporting block 46 is fixedly connected with the partition plate 23, the worm 45 penetrates through the transmission box 21 and extends to the outer side of the transmission box 21, the worm 45 is rotatably connected with the transmission box 21, one end of the worm 45, far away from the worm wheel 44, is fixedly provided with a first hand wheel 47, the laser distance sensor 39 is used for detecting the distance between the sliding plate 26 and the mounting plate 38 when the switch is closed, thereby facilitating to grasp the abrasion degree of the movable conductive contact 14 and the static conductive contact 8 at any time so as to repair and replace the switch in advance, the first hand wheel 47 is used for driving the worm wheel 44 and the adjusting screw rod 42 to rotate through the worm 45 when rotating, and thus the mounting plate 38, up and down, so as to finely adjust the height of the laser distance sensor 39 when the laser distance sensor 39 is mounted.
The working principle is as follows: when the switch is used, the input end of a high-voltage power supply is connected with the upper connecting terminal 6, the output end of the high-voltage power supply is connected with the lower connecting terminal 17, when the switch needs to be closed, the second hand wheel 48 is rotated, the second hand wheel 48 drives the unlocking deflector rod 35 and the deflector rod 36 to rotate through the transmission rod 34, when the unlocking deflector rod 35 rotates to be in contact with the V-shaped limiting rod 29, the unlocking deflector rod 35 drives the V-shaped limiting rod 29 to rotate, so that the movable limiting block 30 is separated from being in contact with the traction rod 25, the limiting of the static limiting block 31 is stopped, then the spring 27 recovers deformation, the sliding plate 26, the traction rod 25, the insulating sliding rod 22 and the movable conductive contact 14 are pushed to move upwards until the movable conductive contact 14 is in contact with the static conductive contact 8, so as to close the whole switch, when the switch needs to be opened, the second hand wheel 48 is rotated again, so that the second hand wheel, the poke rod 36 pokes the poke block 37 to move downwards after rotating to contact with the poke block 37, and drives the draw bar 25, the insulation sliding rod 22, the ceramic shielding column 19 and the movable conductive contact 14 to move towards each other, so that the whole switch is disconnected, the movable and static limiting blocks 31 are driven to synchronously move downwards when the draw bar 25 moves towards the downwards, the static limiting block 31 pushes the movable limiting block 30 and the movable limiting block 30 to rotate clockwise after the bottom of the static limiting block 31 contacts with the movable limiting block 30, meanwhile, the telescopic rod 33 and the limiting spring 32 shrink, when the static limiting block 31 moves to the bottom end of the movable limiting block 30, the limiting spring 32 pushes the telescopic rod 33 to extend, and pulls the V-shaped limiting rod 29 to rotate, so that the movable limiting block 30 contacts with the draw bar 25 again, and further limits the static limiting block 31, so as to realize self-locking after the whole switch is opened, when the switch is used, the laser distance sensor 39 can, when the switch is closed, the laser distance sensor 39 can detect the distance between the sliding plate 26 and the mounting plate 38 in real time and transmit the distance to a power grid management terminal in real time, and a manager can judge the abrasion degree between the movable conductive contact 14 and the static conductive contact 8 according to the measured distance so as to repair and replace the switch in advance, thereby reducing the problem of sudden power failure caused by serious abrasion of the static conductive contact 8 and the movable conductive contact 14.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. The high-voltage circuit breaker switch for power failure protection by utilizing the vacuum principle comprises a resin outer cladding layer (1) and is characterized in that a vacuum ceramic shell (2) is fixedly installed in an inner cavity of the resin outer cladding layer (1), a static cover plate (3) is fixedly installed at the center of an upper side wall of the vacuum ceramic shell (2), a conductive inlet rod (4) is fixedly installed in an inner cavity of the static cover plate (3), a shielding cylinder (7) is fixedly installed in an inner cavity of the vacuum ceramic shell (2), an upper wiring port (5) and a lower wiring port (16) which are integrally formed are respectively arranged on the upper side and the lower side of a right side wall of the resin outer cladding layer (1), an upper wiring terminal (6) is fixedly installed in an inner cavity of the upper wiring port (5), and the upper wiring terminal (6) is fixedly connected with one end, far away from the inner cavity of the resin outer cladding layer (1), of the resin outer cladding layer (1) by the inlet, advance conducting rod (4) to keep away from the one end fixed mounting who goes up wiring port (5) has quiet conductive contact (8), the inner chamber downside fixed mounting of vacuum ceramic shell (2) has uide bushing (11), the inner chamber slidable mounting of uide bushing (11) has bellows (10), the lower lateral wall fixed mounting of bellows (10) has movable cover plate (9), the last lateral wall fixed mounting of bellows (10) has bellows shield cover (12), the quiet conductive contact (8) are kept away from the one end of going up binding post (6) is equipped with moves conductive contact (14), move conductive contact (14) and keep away from the one end fixed mounting of quiet conductive contact (8) has movable conducting rod (13), move conducting rod (13) and run through bellows shield cover (12), bellows (10) and move cover plate (9), move conducting rod (13) with bellows (10) fixed connection, move the outside fixed mounting of conducting rod (13) and have conducting cylinder row (15), conducting cylinder row (15) are located move the below of apron (9), connect electric terminal (17) down under the inner chamber fixed mounting of electric port (16), lower electric terminal (17) are close to the one end fixed mounting of resin surrounding layer (1) inner chamber has flexible conductive cable (18), flexible conductive cable (18) are kept away from the one end of lower electric terminal (17) with conducting cylinder row (15) fixed connection, the lower lateral wall fixed mounting of resin surrounding layer (1) has bottom plate (20), one side fixed mounting that resin surrounding layer (1) was kept away from to bottom plate (20) has transmission case (21), the last lateral wall center department slidable mounting of transmission case (21) has insulating slide bar (22), insulating slide bar (22) with it has ceramic shielding post (19) to move fixed mounting between conducting rod (13), an inner cavity of the insulating sliding rod (22) is provided with an adjusting device.
2. A high voltage circuit breaker switch for protection against interruption by vacuum principle as claimed in claim 1, characterized in that the adjusting device comprises a clapboard (23), the clapboard (23) is fixedly arranged in the inner cavity of the transmission case (21), vertical plates (24) are symmetrically and fixedly arranged on the lower side wall of the partition plate (23), a traction rod (25) is fixedly arranged on the lower side wall of the insulating sliding rod (22), a sliding plate (26) is fixedly arranged on one side wall of the traction rod (25) far away from the vacuum ceramic shell (2), one end of the sliding plate (26) far away from the traction rod (25) is symmetrically and fixedly provided with a spring (27), the spring (27) is fixedly connected with the lower side wall of the inner cavity of the transmission case (21), the front side wall and the rear side wall of the sliding plate (26) are both fixedly provided with sliding blocks (50), one side wall of the vertical plate (24) close to the sliding block (50) is provided with a sliding groove (28) which is matched with the sliding block.
3. The high-voltage circuit breaker switch for power failure protection by using the vacuum principle as claimed in claim 2, wherein a V-shaped limiting rod (29) is rotatably installed between two sets of vertical plates (24), a movable limiting block (30) is fixedly installed on the front side wall of the V-shaped limiting rod (29), and a static limiting block (31) matched with the movable limiting block (30) is fixedly installed on the right side wall of the traction rod (25).
4. The high-voltage circuit breaker switch for power failure protection by using the vacuum principle as claimed in claim 3, wherein a telescopic rod (33) is rotatably installed on the lower side wall of the partition plate (23), a limiting spring (32) is sleeved on the outer side of the telescopic rod (33), and one end of the telescopic rod (33) far away from the partition plate (23) is rotatably connected with the V-shaped limiting rod (29).
5. The high-voltage circuit breaker switch for power failure protection by using the vacuum principle as claimed in claim 4, wherein a transmission rod (34) is arranged below the telescopic rod (33) and penetrates through the vertical plate (24) and the transmission box (21) to extend to the outer side of the transmission box (21), the transmission rod (34) is rotatably connected with the vertical plate (24) and the transmission box (21), an unlocking shift lever (35) is fixedly installed on the outer side of the transmission rod (34), the unlocking shift lever (35) and the V-shaped limiting rod (29) are located in the same vertical plane, and a second hand wheel (48) is fixedly installed at the rear end of the transmission rod (34).
6. The high-voltage circuit breaker switch for power failure protection by using the vacuum principle as claimed in claim 5, wherein a poking rod (36) is arranged at the front side of the unlocking poking rod (35), the poking rod (36) is fixedly connected with the transmission rod (34), a poking block (37) is fixedly installed at one side of the traction rod (25) close to the poking rod (36), and the poking block (37) and the poking rod (36) are located in the same vertical plane.
7. The high-voltage circuit breaker switch for power failure protection by using the vacuum principle as claimed in claim 2, wherein a mounting plate (38) is disposed between the partition plate (23) and the sliding plate (26), sliding blocks (49) are fixedly mounted on both the front and rear side walls of the mounting plate (38), sliding grooves (43) adapted to the sliding blocks (49) are formed on the opposite side walls of the two sets of vertical plates (24), the sliding blocks (49) are slidably mounted in the inner cavity of the sliding grooves (43), and a laser distance sensor (39) is fixedly mounted on the lower side wall of the mounting plate (38).
8. The high voltage circuit breaker switch for power failure protection by using vacuum principle as claimed in claim 7, wherein an outer isolation sleeve (40) is installed on the lower sidewall of the mounting plate (38), the outer isolation sleeve (40) is sleeved outside the laser distance sensor (39), an inner isolation sleeve (41) is fixedly installed on the upper sidewall of the sliding plate (26), and the inner isolation sleeve (41) is sleeved inside the inner cavity of the outer isolation sleeve (40).
9. The high voltage circuit breaker switch for vacuum protection against power failure according to claim 7, wherein an adjusting screw (42) is rotatably installed at a center of a side wall of the mounting plate (38) away from the laser distance sensor (39), the adjusting screw (42) extends through the partition plate (23) to above the partition plate (23), the adjusting screw (42) is in threaded connection with the partition plate (23), a worm wheel (44) is slidably installed at an outer side of the adjusting screw (42), the worm wheel (44) is rotatably connected with the partition plate (23), a worm (45) is engaged and installed at a rear side of the worm wheel (44), a support block (46) is rotatably installed at an outer side of the worm (45), the support block (46) is fixedly connected with the partition plate (23), and the worm (45) extends through the transmission case (21) to an outer side of the transmission case (21), worm (45) with transmission case (21) rotate to be connected, worm (45) are kept away from the one end fixed mounting of worm wheel (44) has first hand wheel (47).
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| CN202011403978.4A CN112530738B (en) | 2020-12-02 | 2020-12-02 | High-voltage circuit breaker switch for power-off protection by utilizing vacuum principle |
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| CN112530738B CN112530738B (en) | 2023-04-07 |
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| CN112530738B (en) | 2023-04-07 |
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