CN113394060A - High-voltage direct-current circuit breaker - Google Patents
High-voltage direct-current circuit breaker Download PDFInfo
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- CN113394060A CN113394060A CN202110581704.2A CN202110581704A CN113394060A CN 113394060 A CN113394060 A CN 113394060A CN 202110581704 A CN202110581704 A CN 202110581704A CN 113394060 A CN113394060 A CN 113394060A
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- circuit breaker
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- protective cover
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/02—Housings; Casings; Bases; Mountings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/08—Terminals; Connections
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Abstract
The invention relates to the technical field of circuit breakers, in particular to a high-voltage direct-current circuit breaker, which comprises a circuit breaker body, a mounting plate and a protective cover, wherein the circuit breaker body and the mounting plate are fixedly connected together; the clamping mechanism comprises a clamping tongue, a rotating groove is formed in one side, close to the circuit breaker body, of the mounting plate, and the clamping tongue is connected with the inner wall of the rotating groove in a rotating mode. The circuit breaker body 1 can be completely isolated from the outside air, the circuit breaker body 1 can be guaranteed to work normally under a severe environment, the connecting between the lead and the circuit breaker body 1 is very quick and convenient, and the connecting relation between the lead and the circuit breaker body 1 can be guaranteed to be firm all the time.
Description
Technical Field
The invention relates to the technical field of circuit breakers, in particular to a high-voltage direct-current circuit breaker.
Background
The direct current circuit breaker combines power electronic devices, is a circuit breaker for breaking a direct current loop, and realizes the zero crossing point of current at the moment of direct current breaking. Dc circuit breakers can be generally classified into mechanical dc circuit breakers, solid-state dc circuit breakers, and hybrid dc circuit breakers. The control of power electronic devices and the direct current arc extinguishing are key technologies of direct current circuit breakers.
Through the retrieval, application No. 201610491531.4 discloses a small-size direct current circuit breaker, including shell, handle, operating device, thermal release unit, magnetism release unit, moving contact, static contact, explosion chamber, controller, return circuit current detecting element, leakage current detecting element and circuit breaker state monitoring unit, wherein: the loop current detection unit realizes the detection of the main loop current of the small-sized direct current circuit breaker; the small-sized direct current circuit breaker can realize the basic functions of the circuit breaker, and can monitor the loop current and the leakage current of the circuit breaker, the closing or opening state and the fault alarm state.
However, the existing direct current circuit breaker has some disadvantages;
1. the existing circuit breakers are basically installed in the distribution box, however, the existing distribution box is generally poor in sealing performance, and when the existing distribution box is in an environment with heavy moisture in the outside air or large dust, such as a circuit breaker in a cabin or a cement plant, corrosion or dust adhesion is easy to occur, so that the conductivity of the circuit breaker is poor, even damage occurs, and the normal use of the circuit breaker is affected;
2. generally, when the lead is connected with the circuit breaker, the lead is fixedly connected together through a bolt, so that the lead is required to be held by hand to limit the lead in the wiring process and then is fixed through the bolt, and wiring work is very inconvenient for the circuit breaker with more peripheral components or narrow mounting positions and inaccessible hands.
Therefore, we propose a high voltage dc circuit breaker to solve the above problems.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a high-voltage direct-current circuit breaker.
In order to achieve the purpose, the invention adopts the following technical scheme: a high-voltage direct-current circuit breaker comprises a circuit breaker body, a mounting plate and a protective cover, wherein the circuit breaker body and the mounting plate are fixedly connected together, a clamping mechanism is arranged on one side, close to the circuit breaker body, of the mounting plate, two wiring mechanisms are arranged at the top and the bottom of the circuit breaker body, clamping grooves are formed in the inner walls of the two sides of the protective cover, and a sealing mechanism is arranged in the protective cover;
the clamping mechanism comprises a clamping tongue, a rotating groove is formed in one side, close to the circuit breaker body, of the mounting plate, and the clamping tongue is rotatably connected with the inner wall of the rotating groove;
the sealing mechanism comprises a rectangular frame, four cylinders which are distributed in a rectangular shape are fixedly installed on one side, away from the breaker body, of the rectangular frame, rectangular plates are arranged on the four cylinders, one sides, away from each other, of the four rectangular plates are fixedly connected with the inner walls of the two sides of the protective cover respectively, and the four cylinders penetrate through the corresponding rectangular plates and are connected with the corresponding rectangular plates in a sliding mode;
the wiring mechanism comprises a wiring barrel, copper sheets are fixedly mounted on the inner walls of the two sides of the wiring barrel, a linkage mechanism is arranged in the wiring barrel, and the linkage mechanism is positioned below the two copper sheets;
the linkage mechanism comprises two pull rods, the tops of the two pull rods are hinged together with the bottoms of the corresponding copper sheets respectively, the bottom ends of the two pull rods are fixedly provided with the same round block, a round plate is fixedly arranged in the wiring cylinder, the two pull rods penetrate through the round plate and are connected with the round plate in a sliding manner, and an opening mechanism is arranged between the round block and the round plate;
the opening mechanism comprises a rotating column, two connecting plates are arranged on the rotating column, the rotating column penetrates through the two connecting plates and is connected with the two connecting plates in a rotating mode, a cam is arranged between the two connecting plates, and the rotating column penetrates through the cam and is fixedly connected with the cam;
when the circuit breaker is in operation, when the wires are connected with the circuit breaker body through the wiring mechanism, the wires are clamped only through tools and are inserted into the wiring barrel, thereby achieving the effect of blind connection, the working efficiency is greatly improved, in the process, two copper sheets are driven to be away from each other, and one sides of the two copper sheets close to each other are clamped with the wires, therefore, the wires can be prevented from falling off between the two copper sheets, when the circuit breaker body is required to isolate the external air, only the protective cover and the mounting plate are fixedly connected together and enable the circuit breaker body to be in the protective cover, when the protective cover and the mounting plate are fixedly connected together, in the process, the two clamping tongues are driven to rotate around the corresponding rotating shaft and close to each other, when the two clamping tongues and the two clamping grooves are parallel and level, the two clamping tongues on the two rotating shafts are driven to be away from each other and clamped into the corresponding clamping grooves under the resetting elasticity of the two torsional springs Consequently under the effect of two latch and two draw-in grooves, protection casing and mounting panel will be linked together tightly, the wire just can pass the through-wire groove on the protection casing among this process, simultaneously through the cooperation of dog and through-wire groove, the wire that makes and the inner wall of through-wire groove and the inner wall of the semicircular spacing groove on the dog are contradicted together tightly for the wire can pass the protection casing, and external air can not pass through the gap between protection casing and the wire, make the circuit breaker body completely with the isolated division of outside air.
Preferably, rotate and install same pivot on the top of rotation groove and the bottom inner wall, the pivot runs through the block tongue and links together with the block tongue, fixed mounting has the guide arm on the top inner wall of rotation groove, it is equipped with the torsional spring to rotate the cover on the guide arm, the both ends of torsional spring respectively with pivot and one side inner wall fixed connection in rotation groove together, when needing to cut off the external air with the circuit breaker body, only need to be in the same place protection casing and mounting panel fixed connection and make the circuit breaker body be in the protection casing, when being in the same place protection casing and mounting panel fixed connection, only need to aim at corresponding through-wire groove respectively and hug closely protection casing and mounting panel together four dogs, in the middle of this process, two block tongues will be driven and use corresponding pivot as the centre of a circle rotation and be close to each other, when two block tongues and two draw-in grooves parallel and level, the reset elasticity of two torsional springs drives the clamping tongues on two rotating shafts to be away from each other and clamped into the corresponding clamping grooves, so that under the action of the two clamping tongues and the two clamping grooves, the protective cover and the mounting plate are tightly connected together, when the protective cover and the mounting plate are separated, only the two clamping tongues are pressed towards the directions close to each other, and when the two clamping tongues fall off from the corresponding clamping grooves on the protective cover respectively, the protective cover and the mounting plate can be easily separated.
Preferably, four outer walls of the rectangular frame are respectively provided with a rectangular groove, the four rectangular grooves are internally and fixedly provided with the same sealing ring, the sealing ring extends out of the four rectangular grooves and is connected with the inner wall of the protective cover in a sliding manner, the rectangular plates are provided with through holes, the cylinder penetrates through the through holes, one end of the cylinder, far away from the rectangular frame, is fixedly provided with a limiting block, one side, close to each other, of the rectangular plate and the rectangular frame is fixedly provided with the same first spring, the first spring is sleeved on the cylinder in a sliding manner, when the circuit breaker body is isolated from the outside air through the protective cover and the mounting plate which are fixedly connected together, in order to prevent the outside air from flowing through gaps between the protective cover and the mounting plate, the mounting plate is always attached to the rectangular frame under the action of the four rectangular plates, and the sealing ring is connected with the inner wall of the protective cover in a sliding manner, the external air can be prevented from flowing into the protective cover through the gap between the protective cover and the mounting plate, and therefore the protective cover can be completely isolated from the external air.
Preferably, the anti-skid teeth are arranged on the sides, close to each other, of the two copper sheets and are arranged in a staggered mode, the circular plate is provided with two sliding holes, the two pull rods respectively penetrate through the corresponding sliding holes and are connected with the inner walls of the corresponding through holes in a sliding mode, the two pull rods are respectively sleeved with a second spring in a sliding mode, the top ends and the bottom ends of the two second springs are respectively fixedly connected with the circular plate and the circular block, when the conducting wire is connected with the circuit breaker body through the wiring mechanism, the conducting wire is clamped through a tool and inserted into the wiring barrel, the blind connection effect is achieved, the working efficiency is greatly improved, in the process, the two copper sheets are driven to be away from each other, the conducting wire is clamped on the side, close to each other, and the circular block always has a thrust force close to the circular plate under the driving of the two second springs, the round block drives the two copper sheets to be close to each other through the two pull rods, so that the lead can be prevented from falling off from the two copper sheets, and the connection strength between the lead and the wiring barrel is higher.
Preferably, four baffle blocks which are distributed in a rectangular shape are fixedly arranged on the mounting plate, semicircular limiting grooves are respectively arranged at one ends of the four baffle blocks, which are far away from the mounting plate, the inner walls of the top and the bottom of the protective cover, which are close to the breaker body, are respectively provided with two wire through grooves, when the wires are connected with the breaker body through the wiring mechanism, when the breaker body is required to be isolated from the outside air by the matching of the protective cover and the mounting plate, the lead can pass through the through wire groove on the protective cover, and simultaneously, the inner walls of the lead and the through wire groove are tightly abutted with the inner wall of the semicircular limiting groove on the stop block by the matching of the stop block and the through wire groove, so that the lead can pass through the protective cover, and external air can not pass through the gap between protection casing and the wire for the circuit breaker body can be completely isolated with the outside air and be opened.
Preferably, the two connecting plates are fixedly connected with the circular plate, the inner walls of the two sides of the wiring barrel are respectively provided with a rotating hole, the rotating column is rotatably connected with the inner walls of the two rotating holes, one end of the rotating column extends out of one rotating hole and is fixedly provided with an inner hexagonal rotating block, when a lead needs to be taken down from the wiring mechanism, the inner hexagonal rotating block is rotated only by a tool and is driven to rotate, the rotating column rotates and drives the cam to rotate, the circular block is driven to be far away from the circular plate in the rotating process of the cam, the two copper sheets are driven to be far away from each other by the two pull rods in the process of the circular block being far away from the circular plate, along with the continuous increase of the distance between the two copper sheets, because the two copper sheets are not fixed, the lead can be easily taken out from the wiring mechanism, is very convenient.
Compared with the prior art, the invention has the beneficial effects that:
1. when the circuit breaker body is required to be isolated from the outside air, the protective cover and the mounting plate are fixedly connected together and the circuit breaker body is positioned in the protective cover, and when the protective cover and the mounting plate are fixedly connected together, the four stop blocks are respectively aligned to the corresponding through-wire grooves and tightly cling the protective cover and the mounting plate together;
2. when the wire is connected with the breaker body through the wiring mechanism, the wire can be clamped and inserted into the wiring barrel only through a tool, thereby achieving the effect of blind connection, and greatly improving the working efficiency, in the process, one side of the two copper sheets close to each other is clamped with the wire, when the wire needs to be taken down from the wiring mechanism, only the tool is needed to rotate the inner hexagonal rotating block, the inner hexagonal rotating block rotates and drives the rotating column to rotate, the rotating column rotates and drives the cam to rotate, the round block is driven to be away from the circular plate in the process of the cam rotation, the two copper sheets are driven to be away from each other through the two pull rods in the process of the round block being away from the circular plate, along with the continuous increase of the distance between the two copper sheets, because the fixation of the two copper sheets is not needed, the wire can be easily taken out from the wiring mechanism, very convenient, therefore very quick convenient when not only making wire and circuit breaker body couple together to the relation of connection between wire and the circuit breaker body can guarantee firmly all the time.
Drawings
Fig. 1 is an exploded view of a high voltage dc circuit breaker according to the present invention;
fig. 2 is a schematic partial sectional structural view of a middle mounting plate of a high-voltage direct-current circuit breaker according to the present invention;
FIG. 3 is an enlarged schematic view of portion A of FIG. 2;
fig. 4 is a schematic perspective view of a shield in a high voltage dc circuit breaker according to the present invention;
fig. 5 is a partial cross-sectional structural schematic diagram of a sealing mechanism in a high-voltage dc circuit breaker according to the present invention;
fig. 6 is a schematic structural view in front cross section of a wiring mechanism in a high-voltage direct-current circuit breaker according to the present invention;
fig. 7 is a schematic perspective view of an opening mechanism in a high voltage dc circuit breaker according to the present invention.
In the figure: 1. a circuit breaker body; 2. mounting a plate; 201. a stopper; 202. a clamping mechanism; 20201. a rotating groove; 20202. a latch; 20203. a rotating shaft; 20204. a guide bar; 20205. a torsion spring; 3. a protective cover; 301. a through wire groove; 302. a card slot; 303. a sealing mechanism; 30301. a rectangular frame; 30302. a cylinder; 30303. a rectangular plate; 30304. a first spring; 30305. a seal ring; 4. a wiring mechanism; 401. a wire connecting cylinder; 402. a copper sheet; 403. a circular plate; 404. a round block; 405. A pull rod; 406. a second spring; 407. an opening mechanism; 40701. rotating the column; 40702. an inner hexagonal turning block; 40703 and a connecting plate; 40704. a cam.
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. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Examples
Referring to fig. 1 to 7, the embodiment provides a high voltage direct current circuit breaker, which includes a circuit breaker body 1, a mounting plate 2 and a protective cover 3, wherein the circuit breaker body 1 and the mounting plate 2 are fixedly connected together, a clamping mechanism 202 is disposed on one side of the mounting plate 2 close to the circuit breaker body 1, two wiring mechanisms 4 are disposed on the top and the bottom of the circuit breaker body 1, clamping grooves 302 are disposed on inner walls of two sides of the protective cover 3, and a sealing mechanism 303 is disposed in the protective cover 3;
the clamping mechanism 202 comprises a clamping tongue 20202, one side of the mounting plate 2, which is close to the circuit breaker body 1, is provided with a rotating groove 20201, and the clamping tongue 20202 is rotatably connected with the inner wall of the rotating groove 20201;
the sealing mechanism 303 comprises a rectangular frame 30301, four cylinders 30302 which are distributed in a rectangular shape are fixedly mounted on one side of the rectangular frame 30301, which is far away from the breaker body 1, rectangular plates 30303 are arranged on the four cylinders 30302, one sides, which are far away from each other, of the four rectangular plates 30303 are fixedly connected with the inner walls of the two sides of the protective cover 3 respectively, and the four cylinders 30302 penetrate through the corresponding rectangular plates 30303 respectively and are connected with the corresponding rectangular plates 30303 in a sliding manner;
the wiring mechanism 4 comprises a wiring barrel 401, copper sheets 402 are fixedly mounted on the inner walls of two sides of the wiring barrel 401, a linkage mechanism is arranged in the wiring barrel 401 and is positioned below the two copper sheets 402;
the linkage mechanism comprises two pull rods 405, the tops of the two pull rods 405 are hinged together with the bottoms of the corresponding copper sheets 402, the bottom ends of the two pull rods 405 are fixedly provided with the same round block 404, a round plate 403 is fixedly arranged in the wire connecting cylinder 401, the two pull rods 405 penetrate through the round plate 403 and are connected with the round plate 403 in a sliding mode, and an opening mechanism 407 is arranged between the round block 404 and the round plate 403;
the opening mechanism 407 comprises a rotating column 40701, two connecting plates 40703 are arranged on the rotating column 40701, the rotating column 40701 penetrates through the two connecting plates 40703 and is rotatably connected with the two connecting plates 40703, a cam 40704 is arranged between the two connecting plates 40703, and the rotating column 40701 penetrates through the cam 40704 and is fixedly connected with the cam 40704;
when the circuit breaker body 1 is required to be isolated from the outside air, the protective cover 3 and the mounting plate 2 are fixedly connected together, the circuit breaker body 1 is positioned in the protective cover 3, the protective cover 3 and the mounting plate 2 are fixedly connected together, the two clamping tongues 20202 are driven to rotate around the corresponding rotating shaft 20203 and approach each other in the process, when the two clamping tongues 20202 are flush with the two clamping grooves 302, the two torsion springs 20205 are reset by elastic force to drive the two latch tongues 20202 on the rotating shafts 20203 to be away from each other and clamped into the corresponding clamping grooves 302, so under the action of the two latch tongues 20202 and the two clamping grooves 302, the protective cover 3 and the mounting plate 2 are tightly connected together, a lead can pass through the wire passing groove 301 on the protective cover 3 in the process, meanwhile, through the matching of the stopper 201 and the wire passing groove 301, the inner walls of the lead and the wire passing groove 301 are tightly abutted to the inner walls of the semicircular limiting grooves on the stopper 201, the lead can pass through the protective cover 3, external air cannot pass through the gap between the protective cover 3 and the lead, and the circuit breaker body 1 can be completely isolated from the external air.
As a mode of the invention, the same rotating shaft 20203 is rotatably mounted on the top and bottom inner walls of the rotating groove 20201, the rotating shaft 20203 penetrates through the latch 20202 and is connected with the latch 20202, the guide rod 20204 is fixedly mounted on the top inner wall of the rotating groove 20201, the torsion spring 20205 is rotatably sleeved on the guide rod 20204, two ends of the torsion spring 20205 are fixedly connected with the inner walls of one side of the rotating shaft 20203 and one side of the rotating groove 20201 respectively, when the circuit breaker body 1 needs to isolate the outside air, only the protective cover 3 and the mounting plate 2 need to be fixedly connected together and the circuit breaker body 1 is positioned in the protective cover 3, when the protective cover 3 and the mounting plate 2 are fixedly connected together, only the four stoppers 201 need to be respectively aligned to the corresponding wire through grooves 301 and the protective cover 3 and the mounting plate 2 are tightly attached together, in the process, the two latches 20202 are driven to rotate around the corresponding rotating shaft 20203 as the center and approach each other, when the two latch tongues 20202 are aligned with the two slots 302, the two latch tongues 20202 of the two rotating shafts 20203 are driven to be away from each other and clamped into the corresponding slots 302 under the reset elastic force of the two torsion springs 20205, so that the protective cover 3 and the mounting plate 2 are tightly connected together under the action of the two latch tongues 20202 and the two slots 302, when the protective cover 3 and the mounting plate 2 are separated, only the two latch tongues 20202 are required to be pressed in the direction of approaching each other, and when the two latch tongues 20202 respectively fall off from the corresponding slots 302 on the protective cover 3, the protective cover 3 and the mounting plate 2 can be easily separated.
As a mode of the invention, four outer walls of the rectangular frame 30301 are all provided with rectangular grooves, the same sealing ring 30305 is fixedly installed in the four rectangular grooves, the sealing ring 30305 extends to the outside of the four rectangular grooves and is connected with the inner wall of the protective cover 3 in a sliding manner, a through hole is formed in the rectangular plate 30303, the cylinder 30302 penetrates through the through hole, a limit block is fixedly installed at one end of the cylinder 30302 far away from the rectangular frame 30301, the same first spring 30304 is fixedly installed at one side of the rectangular plate 30303 and the rectangular frame 30301 close to each other, the first spring 30304 is sleeved on the cylinder 30302 in a sliding manner, when the protective cover 3 and the mounting plate 2 which are fixedly connected together isolate the circuit breaker body 1 from the outside air, in order to prevent the outside air from flowing through the gap between the protective cover 3 and the mounting plate 2, the rectangular frame 30301 is always attached to the mounting plate 2 under the action of the four rectangular plates 30303, and the seal ring 30305 is slidably connected with the inner wall of the shield 3, so that the external air can be prevented from flowing into the shield 3 through the gap between the shield 3 and the mounting plate 2, and can be completely isolated from the external air.
As a mode of the invention, the sides of the two copper sheets 402 close to each other are provided with anti-slip teeth, the anti-slip teeth on the two copper sheets 402 are arranged in a staggered manner, the circular plate 403 is provided with two sliding holes, the two pull rods 405 respectively penetrate through the corresponding sliding holes and are connected with the inner walls of the corresponding through holes in a sliding manner, the two pull rods 405 are respectively sleeved with the second springs 406 in a sliding manner, the top ends and the bottom ends of the two second springs 406 are respectively fixedly connected with the circular plate 403 and the circular block 404, when the lead is connected with the circuit breaker body 1 through the wiring mechanism 4, the lead is clamped and inserted into the wiring barrel 401 through a tool, so that the blind-connection effect is achieved, the working efficiency is greatly improved, in the process, the two copper sheets 402 are driven to be away from each other, the sides of the two copper sheets 402 close to each other are clamped with the lead, and the two second springs 406 are driven, the round block 404 always has a pushing force close to the round plate 403, and the round block 404 drives the two copper sheets 402 to be close to each other through the two pull rods 405, so that the lead can be prevented from falling off from between the two copper sheets 402, and the connection strength between the lead and the wire connecting cylinder 401 is higher.
As one mode of the invention, four baffle blocks 201 which are distributed in a rectangular shape are fixedly arranged on a mounting plate 2, one ends of the four baffle blocks 201 far away from the mounting plate 2 are respectively provided with a semicircular limiting groove, the inner walls of the top and the bottom of a protective cover 3 close to a circuit breaker body 1 are respectively provided with two through wire grooves 301, when a lead is connected with the circuit breaker body 1 through a wiring mechanism 4 and the circuit breaker body 1 is required to be isolated from the outside air through the matching of the protective cover 3 and the mounting plate 2, the lead can pass through the through wire grooves 301 on the protective cover 3, and simultaneously, through the matching of the baffle blocks 201 and the through wire grooves 301, the inner walls of the lead and the through wire grooves 301 are tightly abutted with the inner walls of the semicircular limiting grooves on the baffle blocks 201, so that the lead can pass through the protective cover 3, and the outside air can not pass through gaps between the protective cover 3 and the lead, so that the circuit breaker body 1 can be completely isolated from the outside air.
As a mode of the present invention, two connection boards 40703 are both fixedly connected to the circular board 403, two inner walls of the wire connecting barrel 401 are both provided with a rotation hole, the rotation post 40701 is rotatably connected to the inner walls of the two rotation holes, and one end of the rotation post 40701 extends out of the one rotation hole and is fixedly installed with the hexagon socket rotation block 40702, when the wire needs to be taken off from the wire connecting mechanism 4, only the hexagon socket rotation block 40702 needs to be rotated by a tool, the hexagon socket rotation block 40702 rotates and drives the rotation post 40701 to rotate, the rotation post 40701 rotates and drives the cam 40704 to rotate, the cam 40704 drives the circular block 404 to be away from the circular board 403 during the rotation of the cam 40704, the two pull rods 405 drive the two copper sheets 402 to be away from each other during the process that the circular block 404 is away from the circular board 403, and as the distance between the two copper sheets 402 is continuously increased, because there is no fixation of the two copper sheets 402, the lead can be easily taken out of the wiring mechanism 4, and the wiring mechanism is very convenient and fast.
The working principle, in the working process, when the wire is connected with the circuit breaker body 1 through the wiring mechanism 4, only the wire needs to be clamped by a tool and inserted into the wiring cylinder 401, thereby achieving the effect of blind connection, greatly improving the working efficiency, in the process, the two copper sheets 402 are driven to be away from each other, and the wire is clamped at one side where the two copper sheets 402 are close to each other, so that the wire can be prevented from falling off between the two copper sheets 402, when the circuit breaker body 1 needs to isolate the outside air, only the protective cover 3 and the mounting plate 2 need to be fixedly connected together, the circuit breaker body 1 is positioned in the protective cover 3, and when the protective cover 3 and the mounting plate 2 are fixedly connected together, in the process, the two clamping tongues 20202 are driven to rotate around the corresponding rotating shaft 20203 as the circle center and approach each other, when the two latch tongues 20202 and the two slot grooves 302 are aligned, the two latch tongues 20202 on the two rotating shafts 20203 are driven to be away from each other and clamped into the corresponding slot grooves 302 under the reset elastic force of the two torsion springs 20205, so that the protective cover 3 and the mounting plate 2 are tightly connected together under the action of the two latch tongues 20202 and the two slot grooves 302, the lead can pass through the wire passing groove 301 on the protective cover 3 in the process, and meanwhile, through the matching of the stopper 201 and the wire passing groove 301, the inner walls of the lead and the wire passing groove 301 are tightly abutted to the inner wall of the semicircular limiting groove on the stopper 201, so that the lead can pass through the protective cover 3, and external air cannot pass through a gap between the protective cover 3 and the lead, so that the circuit breaker body 1 can be completely isolated from the external air.
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 equivalent substitutions or changes according to the technical solution and the inventive concept of the present invention should be covered by the scope of the present invention.
Claims (6)
1. A high-voltage direct-current circuit breaker comprises a circuit breaker body (1), a mounting plate (2) and a protective cover (3), and is characterized in that the circuit breaker body (1) and the mounting plate (2) are fixedly connected together, a clamping mechanism (202) is arranged on one side, close to the circuit breaker body (1), of the mounting plate (2), two wiring mechanisms (4) are arranged at the top and the bottom of the circuit breaker body (1), clamping grooves (302) are formed in the inner walls of the two sides of the protective cover (3), and a sealing mechanism (303) is arranged in the protective cover (3);
the clamping mechanism (202) comprises a clamping tongue (20202), one side of the mounting plate (2), which is close to the circuit breaker body (1), is provided with a rotating groove (20201), and the clamping tongue (20202) is rotatably connected with the inner wall of the rotating groove (20201);
the sealing mechanism (303) comprises a rectangular frame (30301), four cylinders (30302) which are distributed in a rectangular shape are fixedly mounted on one side, away from the breaker body (1), of the rectangular frame (30301), rectangular plates (30303) are arranged on the four cylinders (30302), one sides, away from each other, of the four rectangular plates (30303) are fixedly connected with the inner walls of the two sides of the protective cover (3) respectively, and the four cylinders (30302) penetrate through the corresponding rectangular plates (30303) respectively and are connected with the corresponding rectangular plates (30303) in a sliding mode;
the wiring mechanism (4) comprises a wiring barrel (401), copper sheets (402) are fixedly mounted on the inner walls of the two sides of the wiring barrel (401), a linkage mechanism is arranged in the wiring barrel (401), and the linkage mechanism is positioned below the two copper sheets (402);
the linkage mechanism comprises two pull rods (405), the tops of the two pull rods (405) are hinged together with the bottoms of the corresponding copper sheets (402), the bottom ends of the two pull rods (405) are fixedly provided with the same round block (404), a round plate (403) is fixedly arranged in the wiring barrel (401), the two pull rods (405) penetrate through the round plate (403) and are connected with the round plate (403) in a sliding mode, and an opening mechanism (407) is arranged between the round block (404) and the round plate (403);
the opening mechanism (407) comprises a rotating column (40701), two connecting plates (40703) are arranged on the rotating column (40701), the rotating column (40701) penetrates through the two connecting plates (40703) and is rotationally connected with the two connecting plates (40703), a cam (40704) is arranged between the two connecting plates (40703), and the rotating column (40701) penetrates through the cam (40704) and is fixedly connected with the cam (40704).
2. The high-voltage direct current circuit breaker according to claim 1, characterized in that the same rotating shaft (20203) is rotatably installed on the top and bottom inner walls of the rotating groove (20201), the rotating shaft (20203) penetrates through the latch (20202) and is connected with the latch (20202), a guide rod (20204) is fixedly installed on the top inner wall of the rotating groove (20201), a torsion spring (20205) is rotatably sleeved on the guide rod (20204), and two ends of the torsion spring (20205) are respectively fixedly connected with the rotating shaft (20203) and one side inner wall of the rotating groove (20201).
3. The high-voltage direct current circuit breaker according to claim 1, characterized in that four outer walls of the rectangular frame (30301) are provided with rectangular grooves, the same sealing ring (30305) is fixedly installed in the four rectangular grooves, the sealing ring (30305) extends out of the four rectangular grooves and is connected with the inner wall of the protective cover (3) in a sliding manner, a through hole is formed in the rectangular plate (30303), the cylinder (30302) penetrates through the through hole, a limiting block is fixedly installed at one end, far away from the rectangular frame (30301), of the cylinder (30302), one side, close to each other, of the rectangular plate (30303) and one side, close to the rectangular frame (30301), of the same first spring (30304) is fixedly installed, and the first spring (30304) is sleeved on the cylinder (30302) in a sliding manner.
4. The high-voltage direct current circuit breaker according to claim 1, characterized in that the sides of the two copper sheets (402) close to each other are provided with anti-slip teeth, the anti-slip teeth on the two copper sheets (402) are arranged in a staggered manner, the circular plate (403) is provided with two sliding holes, the two pull rods (405) respectively penetrate through the corresponding sliding holes and are connected with the inner walls of the corresponding through holes in a sliding manner, the two pull rods (405) are respectively sleeved with the second springs (406) in a sliding manner, and the top ends and the bottom ends of the two second springs (406) are respectively fixedly connected with the circular plate (403) and the circular block (404).
5. The high-voltage direct current circuit breaker according to claim 1, characterized in that four rectangular-shaped stoppers (201) are fixedly mounted on the mounting plate (2), semicircular limiting grooves are formed in ends of the four stoppers (201) far away from the mounting plate (2), and two through wire grooves (301) are formed in inner walls of the top and the bottom of the protective cover (3) close to the circuit breaker body (1).
6. The HVDC breaker of claim 1, wherein two connecting plates (40703) are fixedly connected to the circular plate (403), the inner walls of the wiring barrel (401) are provided with rotating holes, the rotating column (40701) is rotatably connected to the inner walls of the two rotating holes, and one end of the rotating column (40701) extends to the outside of one rotating hole and is fixedly provided with an inner hexagonal rotating block (40702).
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| CN202110581704.2A CN113394060B (en) | 2021-05-22 | 2021-05-22 | High-voltage direct-current circuit breaker |
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| CN202110581704.2A CN113394060B (en) | 2021-05-22 | 2021-05-22 | High-voltage direct-current circuit breaker |
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| CN113394060B CN113394060B (en) | 2022-09-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114664608A (en) * | 2022-03-31 | 2022-06-24 | 深圳凯海科技有限公司 | Circuit breaker with combined protection structure |
Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4182541A (en) * | 1977-12-27 | 1980-01-08 | Galaini James L | Burglar alarm foil block |
| US5083947A (en) * | 1991-01-22 | 1992-01-28 | Molex Incoporated | Electrical conductor trap terminal and connector |
| FR2687248A1 (en) * | 1992-02-07 | 1993-08-13 | Merlin Gerin | DEVICE FOR CONNECTING A LOW VOLTAGE CIRCUIT BREAKER TO A MOLDED HOUSING. |
| CN205790439U (en) * | 2016-07-15 | 2016-12-07 | 李锴 | A kind of fast-wiring for low-voltage fixes groove |
| US9741500B1 (en) * | 2016-04-04 | 2017-08-22 | Lsis Co., Ltd. | Terminal connecting mechanism for molded case circuit breaker |
| CN206907716U (en) * | 2017-06-18 | 2018-01-19 | 叶少波 | A kind of protection device for being easy to breaker to install |
| CN207183179U (en) * | 2017-07-25 | 2018-04-03 | 江苏银泰电气科技有限公司 | Power cabinet special plastic case circuit breaker |
| CN208127591U (en) * | 2018-05-24 | 2018-11-20 | 余姚市国亿电器有限公司 | A kind of self-locking plug |
| CN109411306A (en) * | 2018-12-20 | 2019-03-01 | 郑州工程技术学院 | A kind of new-energy automobile dc circuit breaker |
| CN208796930U (en) * | 2018-09-28 | 2019-04-26 | 杭州电斧电器有限公司 | A kind of plastics enclosure leakage circuit breaker |
| CN209169080U (en) * | 2018-11-02 | 2019-07-26 | 合肥研丰科技有限公司 | A kind of power-off protection apparatus of automation equipment |
| CN110176377A (en) * | 2019-04-18 | 2019-08-27 | 翁清勇 | A kind of leakage circuit breakers convenient for assembly |
| CN209312657U (en) * | 2019-03-16 | 2019-08-27 | 江西森源电力股份有限公司 | A kind of high-pressure vacuum breaker |
| CN209344006U (en) * | 2019-02-26 | 2019-09-03 | 山东科技大学 | A kind of leakage circuit breakers terminals |
| CN209981496U (en) * | 2019-05-30 | 2020-01-21 | 上海航键航空设备有限公司 | Rotary-type binding post |
| CN211350524U (en) * | 2020-01-21 | 2020-08-25 | 浙江天正电气股份有限公司 | Wiring mechanism of circuit breaker and circuit breaker |
| CN212277428U (en) * | 2020-07-21 | 2021-01-01 | 刘刚 | Electric power binding post |
-
2021
- 2021-05-22 CN CN202110581704.2A patent/CN113394060B/en active Active
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4182541A (en) * | 1977-12-27 | 1980-01-08 | Galaini James L | Burglar alarm foil block |
| US5083947A (en) * | 1991-01-22 | 1992-01-28 | Molex Incoporated | Electrical conductor trap terminal and connector |
| FR2687248A1 (en) * | 1992-02-07 | 1993-08-13 | Merlin Gerin | DEVICE FOR CONNECTING A LOW VOLTAGE CIRCUIT BREAKER TO A MOLDED HOUSING. |
| US9741500B1 (en) * | 2016-04-04 | 2017-08-22 | Lsis Co., Ltd. | Terminal connecting mechanism for molded case circuit breaker |
| CN205790439U (en) * | 2016-07-15 | 2016-12-07 | 李锴 | A kind of fast-wiring for low-voltage fixes groove |
| CN206907716U (en) * | 2017-06-18 | 2018-01-19 | 叶少波 | A kind of protection device for being easy to breaker to install |
| CN207183179U (en) * | 2017-07-25 | 2018-04-03 | 江苏银泰电气科技有限公司 | Power cabinet special plastic case circuit breaker |
| CN208127591U (en) * | 2018-05-24 | 2018-11-20 | 余姚市国亿电器有限公司 | A kind of self-locking plug |
| CN208796930U (en) * | 2018-09-28 | 2019-04-26 | 杭州电斧电器有限公司 | A kind of plastics enclosure leakage circuit breaker |
| CN209169080U (en) * | 2018-11-02 | 2019-07-26 | 合肥研丰科技有限公司 | A kind of power-off protection apparatus of automation equipment |
| CN109411306A (en) * | 2018-12-20 | 2019-03-01 | 郑州工程技术学院 | A kind of new-energy automobile dc circuit breaker |
| CN209344006U (en) * | 2019-02-26 | 2019-09-03 | 山东科技大学 | A kind of leakage circuit breakers terminals |
| CN209312657U (en) * | 2019-03-16 | 2019-08-27 | 江西森源电力股份有限公司 | A kind of high-pressure vacuum breaker |
| CN110176377A (en) * | 2019-04-18 | 2019-08-27 | 翁清勇 | A kind of leakage circuit breakers convenient for assembly |
| CN209981496U (en) * | 2019-05-30 | 2020-01-21 | 上海航键航空设备有限公司 | Rotary-type binding post |
| CN211350524U (en) * | 2020-01-21 | 2020-08-25 | 浙江天正电气股份有限公司 | Wiring mechanism of circuit breaker and circuit breaker |
| CN212277428U (en) * | 2020-07-21 | 2021-01-01 | 刘刚 | Electric power binding post |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114664608A (en) * | 2022-03-31 | 2022-06-24 | 深圳凯海科技有限公司 | Circuit breaker with combined protection structure |
| CN114664608B (en) * | 2022-03-31 | 2024-04-05 | 深圳凯海科技有限公司 | Circuit breaker with combined protection structure |
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| Publication number | Publication date |
|---|---|
| CN113394060B (en) | 2022-09-23 |
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Effective date of registration: 20220901 Address after: 466200 Weier Road, Xiangcheng industrial cluster, Zhoukou City, Henan Province Applicant after: Zhoukou PingGao Electric Group Co.,Ltd. Address before: 277599 Room 501, building 6, shanguoyuan community, No. 998, South Yikang Avenue, Tengzhou City, Zaozhuang City, Shandong Province Applicant before: Zhao Fanfan |
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