CN113035633A - Hybrid high-voltage direct-current bidirectional circuit breaker - Google Patents
Hybrid high-voltage direct-current bidirectional circuit breaker Download PDFInfo
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- CN113035633A CN113035633A CN202110266496.7A CN202110266496A CN113035633A CN 113035633 A CN113035633 A CN 113035633A CN 202110266496 A CN202110266496 A CN 202110266496A CN 113035633 A CN113035633 A CN 113035633A
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- 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
- 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
- H01H33/664—Contacts; Arc-extinguishing means, e.g. arcing rings
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/60—Arrangements for transfer of electric power between AC networks or generators via a high voltage DC link [HVCD]
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Abstract
The invention relates to the technical field of circuit breakers, in particular to a hybrid high-voltage direct-current bidirectional circuit breaker which comprises a first mechanism box, wherein a second mechanism box is arranged on the upper lower portion of the right side of the first mechanism box, a box door is arranged on the front surface of the second mechanism box, three sealing plates are arranged on the sides, close to each other, of the two box doors, an arc extinguish chamber is arranged between the upper sealing plate and the lower sealing plate, a conductive rod is movably arranged on the surface of each sealing plate in a penetrating mode, the conductive rod movably penetrates through the second mechanism box, a contact is arranged at one end of the conductive rod, a corrugated pipe is arranged on the outer side of the conductive rod, and lifting plates are arranged on the. The invention can make the two contacts of the connecting circuit move towards the separating direction at the same time through the mutual matching of the structures, so that the electric arc is elongated, the electric arc can be extinguished quickly, the wiring is convenient, and the problem of resistance increase at the wiring position can not occur.
Description
Technical Field
The invention relates to the technical field of circuit breakers, in particular to a hybrid high-voltage direct-current bidirectional circuit breaker.
Background
The circuit breaker is a switching device capable of closing, carrying and opening/closing a current under a normal circuit condition and a current under an abnormal circuit condition within a prescribed time, and can be used for distributing electric energy, starting an asynchronous motor infrequently, protecting a power supply line, a motor and the like, automatically cutting off a circuit when a fault such as severe overload or short circuit or undervoltage occurs, and the like, and has a function equivalent to a combination of a fuse type switch and an over-under-heat relay and the like.
The existing high-voltage circuit breaker has high requirement on wiring, the structure in a mechanism box is generally complex, the circuit maintenance process is troublesome, the circuit needs to consume long time when the circuit of the circuit breaker needs to be reconnected, the circuit is always in a disconnected state, the use of people is influenced, the existing circuit breaker generally adopts a moving contact and a static contact to be combined, but the electric arc is too short when the circuit is disconnected in the conventional power connection mode, so that the electric arc is difficult to be rapidly eliminated. To this end we propose a hybrid high voltage dc bidirectional circuit breaker.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a hybrid high-voltage direct-current bidirectional circuit breaker which is reasonable in design and ingenious in structure, can enable two contacts of a circuit to be switched on to move in a separating direction simultaneously through mutual matching of the structures, enables electric arcs to be elongated, can extinguish the electric arcs quickly, is convenient to wire, does not have the problem of resistance increase at a wire connection position, has good market competitiveness, and is worthy of recommendation.
In order to achieve the purpose, the invention adopts the following technical scheme:
designing a hybrid high-voltage direct-current bidirectional circuit breaker, comprising a first mechanism box, wherein a second mechanism box is arranged at the upper lower part of the right side of the first mechanism box, a box door is arranged at the front side of the second mechanism box, three sealing plates are arranged at one sides of the two box doors close to each other, an arc extinguish chamber is arranged between the upper sealing plate and the lower sealing plate, a conductive rod is movably arranged on the surface of the sealing plate in a penetrating way, the conductive rod movably penetrates through the second mechanism box, a contact is arranged at one end of the conductive rod, a corrugated pipe is arranged at the outer side of the conductive rod, lifting plates are arranged at the outer sides of the three conductive rods in the inner cavity of the same second mechanism box in a penetrating way, two first springs are arranged at one side of the lifting plates, one ends of the first springs, far away from the lifting plates, the front surface of the box body is movably provided with a box cover, the left side of the box body is movably provided with a wire fixing rod in a penetrating way, the outer side of the wire fixing rod is provided with an anti-skidding sleeve in a penetrating way, the groove and the wire fixing rod are designed into an integral mode, the inner side of the groove is movably provided with a wire pressing structure, the rear side of the box body is provided with a wire clamping elastic sheet in a penetrating way, the right side of the box body is movably provided with a touch structure, the inner cavity of the second mechanism box is provided with two U-shaped fixing rods, the outer sides of the two U-shaped fixing rods are provided with a sliding plate in a penetrating way, one side of the sliding plate is provided with a first L-shaped connecting rod, the front side and the rear side of the first L-shaped connecting rod are both provided with limiting rods, the right side of the first L-shaped connecting rod is, the limiting rod is located between the guide plates and the lifting plate, the first L-shaped connecting rod is located between the two guide plates, the L-shaped movable rod is installed on one side of the sliding plate, the L-shaped movable rod penetrates through the second mechanism box in a movable mode, the L-shaped movable rod penetrates through the first mechanism box in a movable mode, sliding grooves are formed in the upper portion and the lower portion of the left side of the inner cavity of the first mechanism box, and a control structure is installed inside the sliding grooves in a sliding mode.
Preferably, the cushion block is made of an insulating material.
Preferably, the surface of the box cover is provided with a wire hole, and the wire hole and the box cover are designed in an integrated manner.
Preferably, the line ball structure includes the U type kelly of movable mounting in the recess inboard, U type kelly one side-mounting is fluted, the recess is kept away from the one end of U type kelly and is installed in the inside one side of recess, the line ball structure still includes that the activity runs through to install at the left first movable rod of solidus, first movable rod one end runs through inside solidus to recess, first movable rod is located the inside one end of recess and installs first touch multitouch, first movable rod is kept away from the one end of first touch multitouch and is installed the button.
Preferably, the axial section of the first contact block is trapezoidal, and the first contact block and the first movable rod are designed in an integrated manner.
Preferably, the wire clamping elastic sheet is made of copper, and the rear side of the wire clamping elastic sheet is connected with the conducting rod.
Preferably, the conflict structure includes the threaded rod of movable mounting on box body right side, the knob is installed to the threaded rod right-hand member, knob outside screw thread runs through and installs the motion piece, two second movable rods are installed in motion piece left side, the box body right side is run through in the activity of second movable rod, two the second movable rod is kept away from the one end of motion piece and is installed the second and to the touch multitouch.
Preferably, the control structure comprises a slide block which is slidably arranged in the chute, one side of the slide block is provided with a connecting column, one end of the connecting column, which is far away from the sliding chute, is provided with a moving plate, the surface of the moving plate is provided with a limiting hole, the limiting hole and the moving plate are designed in an integrated mode, one side of the moving plate is provided with a second L-shaped connecting rod, a third contact block is arranged at one end of the second L-shaped connecting rod, the third contact block is matched with the L-shaped movable rod, the control structure also comprises a control rod movably arranged in the middle of the left side of the first mechanism box in a penetrating way, a rotary wrench is arranged at the left end of the control rod, the control rod is kept away from the one end of rotating the spanner and is installed the control panel, two stoppers are installed to control panel one side, the stopper is the integral type design with the control panel, the stopper is located the motion inboard portion.
Preferably, the third contact block and the second L-shaped connecting rod are designed in an integrated mode, and the axial section of the third contact block is trapezoidal.
The hybrid high-voltage direct-current bidirectional circuit breaker has the beneficial effects that: when the circuit breaking operation is carried out, the rotating wrench needs to be rotated to drive the control rod to rotate, so as to drive the control plate to rotate towards one side, the control plate can drive the moving plate to integrally move towards the direction close to the control rod by driving the limiting block to rotate, the moving plate at the moment drives the second L-shaped connecting rod to move towards the direction close to the control rod, so as to drive the third touch block to move towards the direction close to the control rod, due to the structural characteristics of the third touch block, when one end of the L-shaped moving rod is not touched by the third touch block, the sliding plate slides towards the right side under the action of the third spring, so that the L-shaped moving rod is always in a state of contacting with the surface of the third touch block, so that the first L-shaped connecting rod drives the limiting rod to move towards the right side, and the limiting rod at the moment drives the whole lifting plate to move towards the direction far away from the arc extinguish chamber, the lifting plate can drive the conducting rod to move simultaneously, so that two contacts in the same arc extinguish chamber are separated, the operation of circuit breaking is completed, worth mentioning is that the two contacts move simultaneously, the electric arc can be elongated at the moment of circuit breaking, the electric arc is rapidly extinguished, the arc extinguishing effect of the circuit breaker is effectively improved, the damage of the electric arc to the arc extinguish chamber is reduced, the effect of effectively prolonging the service life of the circuit breaker is achieved, the circuit breaking stability is convenient to operate, the practicability of the circuit breaker is improved, the mechanism and the mechanism are separated, the follow-up maintenance is convenient, when the circuit breaker is connected, the box cover is firstly opened, then the threaded rod is driven to rotate through the rotating knob, the moving block is driven to move to the left side, the second abutting block is driven to move to the left side through the second movable rod, the second abutting block can abut against the two wire clamping elastic pieces to rotate at a certain angle in, so that the two wire clamping elastic sheets are in an open trend, a wire is convenient to insert, then the button is pressed, the button can drive the first movable rod to slide towards the right side, the first movable rod drives the first abutting block to slide towards the right side, the first abutting block abuts against the U-shaped clamping rod to extend out of the groove, then the cable extends into the position between the U-shaped clamping rod and the groove, the button is pulled, the U-shaped clamping rod returns to the inside of the groove under the action of the second spring, the wire is pressed in the groove at the moment, then the knob is rotated reversely, the second abutting block is reset, the wire clamping elastic sheets are reset, finally the wire fixing rod is driven to rotate integrally by rotating the anti-slip sleeve, the copper wires of the wire are wound on the outer side surface of the wire fixing rod until the wire clamping elastic sheets fully compress and wind multiple circles of wires, the conductive rod is connected with the wire clamping elastic sheets, and the wire clamping elastic sheets are fully connected with the wire, the wiring is firm and fully connected, and the fault of resistance increase at the wiring position is prevented.
Drawings
Fig. 1 is a schematic structural diagram of a front view of a hybrid high-voltage direct-current bidirectional circuit breaker according to the present invention;
fig. 2 is a schematic sectional view of a hybrid high-voltage dc bidirectional circuit breaker according to the present invention;
fig. 3 is a schematic structural diagram of a cross-sectional view of a wire fixing rod of a hybrid high-voltage direct-current bidirectional circuit breaker according to the present invention;
fig. 4 is a schematic side view of a wire clamping spring plate of the hybrid high-voltage direct-current bidirectional circuit breaker according to the present invention;
fig. 5 is a schematic structural diagram of one side of a lifting plate of a hybrid high-voltage direct-current bidirectional circuit breaker according to the present invention;
fig. 6 is a schematic structural view of a left side surface of an inner cavity of a first mechanism box of the hybrid high-voltage direct-current bidirectional circuit breaker according to the present invention;
fig. 7 is a schematic structural diagram of a hybrid high-voltage dc bidirectional circuit breaker a according to the present invention.
In the figure: the device comprises a first mechanism box 1, a second mechanism box 2, a box door 3, a sealing plate 4, an arc extinguish chamber 5, a conductive rod 6, a contact 7, a corrugated pipe 8, a lifting plate 9, a first spring 10, a cushion block 11, a box body 12, a box cover 13, a wire hole 14, a wire fixing rod 15, a groove 16, a U-shaped clamping rod 17, a second spring 18, a first movable rod 19, a first abutting block 20, a button 21, a wire clamping elastic sheet 22, a threaded rod 23, a knob 24, a movable block 25, a second movable rod 26, a second abutting block 27, a U-shaped fixed rod 28, a sliding plate 29, a first L-shaped connecting rod 30, a limiting rod 31, a third spring 32, a guide plate 33, an L-shaped movable rod 34, a sliding groove 35, a sliding block 36, a connecting column 37, a movable plate 38, a second L-shaped connecting rod 39, a third abutting block 40, a control rod 41, a rotary wrench 42, a control plate 43, a limiting block 44, a limiting.
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 hybrid high voltage direct current bidirectional circuit breaker comprises a first mechanism box 1, a second mechanism box 2 is mounted on the upper and lower parts of the right side of the first mechanism box 1, a box door 3 is mounted on the front surface of the second mechanism box 2, three sealing plates 4 are mounted on the sides of the two box doors 3 close to each other, an arc extinguish chamber 5 is mounted between the upper and lower sealing plates 4, a conducting rod 6 is movably mounted on the surface of each sealing plate 4 in a penetrating manner, the conducting rod 6 movably penetrates through the second mechanism box 2, a contact 7 is mounted at one end of the conducting rod 6, a corrugated pipe 8 is mounted on the outer side of the conducting rod 6, a lifting plate 9 is mounted on the outer side of the three conducting rods 6 in the inner cavity of the same second mechanism box 2 in a penetrating manner, two first springs 10 are mounted on one side of the lifting plate 9, one end of each, the cushion block 11 is made of an insulating material, and can effectively protect the box body 12.
A box body 12 is installed on one side of a cushion block 11, a box cover 13 is movably installed on the front face of the box body 12, a wire hole 14 is formed in the surface of the box cover 13, the wire hole 14 and the box cover 13 are designed in an integrated mode, and wires can be led out conveniently after wiring.
The wire fixing rod 15 is movably installed on the left side of the box body 12 in a penetrating mode, the anti-skidding sleeve 46 is installed on the outer side of the wire fixing rod 15 in a penetrating mode, the groove 16 and the wire fixing rod 15 are designed in an integrated mode, the wire pressing structure is movably installed on the inner side of the groove 16 and comprises a U-shaped clamping rod 17 movably installed on the inner side of the groove 16, the groove 16 is installed on one side of the U-shaped clamping rod 17, one end, away from the U-shaped clamping rod 17, of the groove 16 is installed on one side inside the groove 16, the wire pressing structure further comprises a first movable rod 19 movably installed on the left side of the wire fixing rod 15 in a penetrating mode, one end, located inside the groove 16, of the first movable rod 19 penetrates through the wire fixing rod 15 to the inside the groove 16, a first abutting block 20 is installed on one end, located inside the groove 16, the axial section of the first abutting block 20 is trapezoidal, the first abutting block 20 and the first movable rod 19 are designed in an, press button 21, button 21 can drive first movable rod 19 and slide to the right side, first movable rod 19 drives first contact block 20 and slides to the right side, first contact block 20 is contradicted U type kelly 17 and is stretched out inside recess 16, stretch into the cable after the position between U type kelly 17 and the recess 16 afterwards, pulling button 21, make U type kelly 17 get back to inside recess 16 under the effect of second spring 18, wire this moment also is pressed inside recess 16, make the wire fixed, the going on of the follow-up wiring work of being convenient for.
The rear side of the box body 12 is provided with a wire clamping elastic sheet 22 in a penetrating way, the wire clamping elastic sheet 22 is made of copper, the rear side of the wire clamping elastic sheet 22 is connected with the conducting rod 6, and the contact area between the wire clamping elastic sheet 22 and a conducting wire is increased to prevent overlarge connecting resistance.
12 right sides movable mounting of box body has conflict structure, conflict structure includes threaded rod 23 on 12 right sides of box body movable mounting, knob 24 is installed to threaded rod 23 right-hand member, 24 outside screw threads of knob are run through and are installed motion piece 25, two second movable rod 26 are installed in motion piece 25 left side, the activity of second movable rod 26 runs through 12 right sides of box body, two second movable rod 26 are kept away from the one end of motion piece 25 and are installed second and support touch multitouch 27, through rotating knob 24, drive threaded rod 23 and rotate, make motion piece 25 lateral motion left, thereby drive second through second movable rod 26 and support touch multitouch 27 lateral motion left, second supports touch multitouch 27 and can contradict two double-layered line shell fragment 22 and carry out certain angle rotation to the direction of keeping away from each other, make two double-layered line shell fragments 22 be open trend, be convenient for.
Two U-shaped fixed rods 28 are arranged in the inner cavity of the second mechanism box 2, sliding plates 29 are arranged on the outer sides of the two U-shaped fixed rods 28 in a penetrating manner, a first L-shaped connecting rod 30 is arranged on one side of each sliding plate 29, limiting rods 31 are arranged on the front side and the rear side of each first L-shaped connecting rod 30, a third spring 32 is arranged on the right side of each first L-shaped connecting rod 30, one end, far away from the first L-shaped connecting rod 30, of each third spring 32 is arranged on the right side of the inner cavity of the second mechanism box 2, two guide plates 33 are arranged on one side, close to the sliding plates 29, of each lifting plate 9, two guide plates 33 are arranged, each limiting rod 31 is arranged between each guide plate 33 and each lifting plate 9, the first L-shaped connecting rod 30 is arranged between the two guide plates 33, an L-shaped movable rod 34 is arranged on one side of each sliding plate 29, each L-, the control structure is arranged in the sliding groove 35 in a sliding manner, the control structure comprises a sliding block 36 arranged in the sliding groove 35 in a sliding manner, one side of the sliding block 36 is provided with a connecting column 37, one end, away from the sliding groove 35, of the connecting column 37 is provided with a moving plate 38, the surface of the moving plate 38 is provided with a limiting hole 45, the limiting hole 45 and the moving plate 38 are designed in an integrated manner, one side of the moving plate 38 is provided with a second L-shaped connecting rod 39, one end of the second L-shaped connecting rod 39 is provided with a third contact block 40, the third contact block 40 and the second L-shaped connecting rod 39 are designed in an integrated manner, the axial section of the third contact block 40 is trapezoidal, the third contact block 40 and the L-shaped movable rod 34 are matched with each other, the control structure further comprises a control rod 41 movably arranged in the middle of the left side of the first mechanism box 1 in a penetrating manner, two limit blocks 44 are installed on one side of the control plate 43, the limit blocks 44 and the control plate 43 are designed in an integrated manner, the limit blocks 44 are located inside the moving plate 38, when the circuit breaking operation is performed, the rotating wrench 42 needs to be rotated to drive the control rod 41 to rotate, so as to drive the control plate 43 to rotate towards one side, the control plate 43 can drive the moving plate 38 to move towards the direction close to the control rod 41 as a whole by driving the limit blocks 44 to rotate, at this time, the moving plate 38 drives the second L-shaped connecting rod 39 to move towards the direction close to the control rod 41, so as to drive the third contact block 40 to move towards the direction close to the control rod 41, due to the structural characteristics of the third contact block 40, when one end of the L-shaped moving rod 34 is not contacted by the third contact block 40, the sliding plate 29 slides towards the right side under the action of the third spring 32, so that the L-shaped moving rod 34 is, therefore make first L type connecting rod 30 drive gag lever post 31 to the right side motion, gag lever post 31 at this moment is through the conflict effect to deflector 33, drive whole lifter plate 9 to the direction motion of keeping away from explosion chamber 5, lifter plate 9 can drive the simultaneous movement of conducting rod 6, make two contacts 7 separations of same explosion chamber 5 inside, the operation of opening circuit has been accomplished, it is worth mentioning, two contacts 7 simultaneous movement, can be in the twinkling of an eye of opening circuit elongate electric arc, make electric arc extinguish fast, the effect of circuit breaker arc extinguishing has effectively been improved, the harm that electric arc caused explosion chamber 5 has been reduced, thereby reach the effect that effectively improves circuit breaker life.
The working principle is as follows: when the circuit breaking operation is performed, the rotating wrench 42 needs to be rotated to drive the control rod 41 to rotate, so as to drive the control plate 43 to rotate towards one side, the control plate 43 can drive the moving plate 38 to move integrally towards the direction close to the control rod 41 by driving the limiting block 44 to rotate, at this time, the moving plate 38 drives the second L-shaped connecting rod 39 to move towards the direction close to the control rod 41, so as to drive the third abutting block 40 to move towards the direction close to the control rod 41, due to the structural characteristics of the third abutting block 40, when one end of the L-shaped moving rod 34 is not abutted by the third abutting block 40, the sliding plate 29 slides towards the right side under the action of the third spring 32, so that the L-shaped moving rod 34 is always in a state of contacting the surface of the third abutting block 40, so that the first L-shaped connecting rod 30 drives the limiting rod 31 to move towards the right side, and at this time, the limiting rod 31 is abutted against the guide plate 33, the whole lifting plate 9 is driven to move towards the direction far away from the arc extinguish chamber 5, the lifting plate 9 can drive the conducting rod 6 to move simultaneously, so that two contacts 7 in the same arc extinguish chamber 5 are separated, the operation of circuit breaking is completed, it is worth mentioning that the two contacts 7 move simultaneously, electric arcs can be elongated at the moment of circuit breaking, so that the electric arcs are rapidly extinguished, when a circuit breaker is connected, firstly, the box cover 13 is opened, then the knob 24 is rotated to drive the threaded rod 23 to rotate, so that the moving block 25 moves towards the left side, the second movable rod 26 drives the second abutting block 27 to move towards the left side, the second abutting block 27 can abut against the two wire clamping elastic sheets 22 to rotate towards the direction far away from each other at a certain angle, so that the two wire clamping elastic sheets 22 are in an opening trend, a wire can be conveniently inserted, then, the button 21 is pressed, the button 21 can drive the first movable rod 19, the first movable rod 19 drives the first contact block 20 to slide towards the right side, the first contact block 20 abuts against the U-shaped clamping rod 17 and extends out of the groove 16, then a cable extends into a position between the U-shaped clamping rod 17 and the groove 16, the button 21 is pulled, the U-shaped clamping rod 17 returns to the inside of the groove 16 under the action of the second spring 18, the conducting wire is pressed in the groove 16 at the moment, then the knob 24 is rotated reversely to reset the second contact block 27, the wire clamping elastic sheet 22 is also reset, finally the wire fixing rod 15 is driven to integrally rotate by rotating the anti-skidding sleeve 46, the copper wire of the conducting wire is wound on the outer side surface of the wire fixing rod 15 until the wire clamping elastic sheet 22 fully compresses and winds multiple circles of conducting wires, the conducting rod 6 is connected with the wire clamping elastic sheet 22, the wire clamping elastic sheet 22 is fully connected with the conducting wire, the operation of wire connection is completed, the wire connection is firm and fully connected, and the design of the invention, the structure is ingenious, and the structure is matched with each other, so that the structure has good market competitiveness and is worthy of recommendation.
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. A hybrid high-voltage direct-current bidirectional circuit breaker comprises a first mechanism box (1) and is characterized in that a second mechanism box (2) is mounted on the upper lower portion of the right side of the first mechanism box (1), a box door (3) is mounted on the front surface of the second mechanism box (2), three sealing plates (4) are mounted on one sides, close to each other, of the box doors (3), an arc extinguish chamber (5) is mounted between the upper sealing plate and the lower sealing plate (4), a conductive rod (6) penetrates through the surface of each sealing plate (4), the conductive rod (6) penetrates through the second mechanism box (2) in a movable manner, a contact (7) is mounted at one end of each conductive rod (6), a corrugated pipe (8) is mounted on the outer side of each conductive rod (6), and a lifting plate (9) penetrates through the outer sides of the three conductive rods (6) located in the inner, two first springs (10) are installed on one side of the lifting plate (9), one end, far away from the lifting plate (9), of each first spring (10) is installed on one side of the surface of the second mechanism box (2), a cushion block (11) is installed on one side of the conductive rod (6), a box body (12) is installed on one side of the cushion block (11), a box cover (13) is movably installed on the front side of the box body (12), a wire fixing rod (15) is movably installed on the left side of the box body (12) in a penetrating mode, an anti-skidding sleeve (46) is installed on the outer side of the wire fixing rod (15) in a penetrating mode, a groove (16) is formed in the outer side of the wire fixing rod (15), the groove (16) and the wire fixing rod (15) are designed in an integrated mode, a wire pressing structure is movably installed on the inner side of the groove (16), a wire clamping elastic sheet, the mechanism is characterized in that two U-shaped fixed rods (28) are installed in the inner cavity of the second mechanism box (2), sliding plates (29) are installed on the outer sides of the two U-shaped fixed rods (28) in a penetrating mode, a first L-shaped connecting rod (30) is installed on one side of each sliding plate (29), limiting rods (31) are installed on the front side and the rear side of each first L-shaped connecting rod (30), a third spring (32) is installed on the right side of each first L-shaped connecting rod (30), one end, far away from the first L-shaped connecting rod (30), of each third spring (32) is installed on the right side of the inner cavity of the second mechanism box (2), two guide plates (33) are installed on one side, close to the sliding plates (29), of each lifting plate (9), each limiting rod (31) is located between each guide plate (33) and each lifting plate (9), each first L-shaped connecting rod (30) is located between the two guide plates (, l type movable rod (34) activity runs through second mechanism case (2), first mechanism case (1) is run through in L type movable rod (34) activity, spout (35) have all been seted up to lower part on first mechanism case (1) inner chamber left side, spout (35) inside slidable mounting has control structure.
2. Hybrid high-voltage direct current bidirectional circuit breaker according to claim 1, characterized in that the spacer (11) is made of an insulating material.
3. Hybrid high-voltage direct-current bidirectional circuit breaker according to claim 1, characterized in that a wire hole (14) is formed in the surface of the box cover (13), and the wire hole (14) and the box cover (13) are designed in an integrated manner.
4. The hybrid high-voltage direct-current bidirectional circuit breaker according to claim 1, characterized in that the line pressing structure comprises a U-shaped clamping rod (17) movably mounted on the inner side of a groove (16), the groove (16) is mounted on one side of the U-shaped clamping rod (17), one end, far away from the U-shaped clamping rod (17), of the groove (16) is mounted on one side of the inner portion of the groove (16), the line pressing structure further comprises a first movable rod (19) movably mounted on the left side of the line fixing rod (15) in a penetrating mode, one end of the first movable rod (19) penetrates through the line fixing rod (15) to the inner portion of the groove (16), a first abutting block (20) is mounted at one end, located in the inner portion of the groove (16), of the first movable rod (19) far away from one end of the first abutting block (20), and a button (21) is mounted at one.
5. Hybrid high-voltage direct current bidirectional circuit breaker according to claim 4, characterized in that the first contact block (20) is trapezoidal in axial cross section, the first contact block (20) being of one-piece design with the first movable bar (19).
6. Hybrid high-voltage direct current bidirectional circuit breaker according to claim 1, characterized in that the wire clamping spring (22) is made of copper, and the rear side of the wire clamping spring (22) is connected to the conductive rod (6).
7. The hybrid high-voltage direct-current bidirectional circuit breaker according to claim 1, wherein the collision structure comprises a threaded rod (23) movably mounted on the right side of the box body (12), a knob (24) is mounted at the right end of the threaded rod (23), a moving block (25) is mounted on the outer side of the knob (24) in a penetrating manner, two second movable rods (26) are mounted on the left side of the moving block (25), the second movable rods (26) movably penetrate the right side of the box body (12), and two second contact blocks (27) are mounted at one ends, away from the moving block (25), of the second movable rods (26).
8. The hybrid high-voltage direct-current bidirectional circuit breaker according to claim 1, wherein the control structure comprises a sliding block (36) slidably mounted inside the sliding groove (35), a connecting column (37) is mounted on one side of the sliding block (36), a moving plate (38) is mounted on one end of the connecting column (37) far away from the sliding groove (35), a limiting hole (45) is formed in the surface of the moving plate (38), the limiting hole (45) and the moving plate (38) are designed in an integrated manner, a second L-shaped connecting rod (39) is mounted on one side of the moving plate (38), a third contact block (40) is mounted at one end of the second L-shaped connecting rod (39), the third contact block (40) and the L-shaped moving rod (34) are matched with each other, and the control structure further comprises a control rod (41) movably mounted in the middle of the left side of the first mechanism box (1), rotation spanner (42) are installed to control lever (41) left end, control lever (41) are kept away from the one end of rotating spanner (42) and are installed control panel (43), two stopper (44) are installed to control panel (43) one side, stopper (44) are the integral type design with control panel (43), stopper (44) are located inside sports board (38).
9. Hybrid high-voltage direct current bidirectional circuit breaker according to claim 8, characterized in that the third contact block (40) is of one-piece design with a second L-shaped connecting rod (39), the third contact block (40) being trapezoidal in axial cross-section.
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| CN202110266496.7A CN113035633B (en) | 2021-03-11 | 2021-03-11 | Hybrid high-voltage direct-current bidirectional circuit breaker |
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| CN202110266496.7A CN113035633B (en) | 2021-03-11 | 2021-03-11 | Hybrid high-voltage direct-current bidirectional circuit breaker |
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| CN113035633B CN113035633B (en) | 2023-06-20 |
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| CN113848467A (en) * | 2021-08-10 | 2021-12-28 | 广西电网有限责任公司贵港供电局 | Circuit breaker mechanical characteristic test auxiliary device |
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