CN112420454B - Plastic case breaker patch cord device - Google Patents
Plastic case breaker patch cord device Download PDFInfo
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- CN112420454B CN112420454B CN202011239851.3A CN202011239851A CN112420454B CN 112420454 B CN112420454 B CN 112420454B CN 202011239851 A CN202011239851 A CN 202011239851A CN 112420454 B CN112420454 B CN 112420454B
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- 239000004020 conductor Substances 0.000 claims description 119
- 238000007789 sealing Methods 0.000 claims 3
- 238000009434 installation Methods 0.000 abstract description 18
- 238000005452 bending Methods 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000001338 self-assembly Methods 0.000 description 1
Classifications
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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 provides a plastic-case circuit breaker patch cord device, which belongs to the field of power switching operation and comprises a switching wiring row assembly, wherein a first end of the switching wiring row assembly is used for being connected with an upper wiring port of a plastic-case circuit breaker, and a second end of the switching wiring row assembly is used for extending to the outer side of a lower wiring port of the plastic-case circuit breaker and is used for being connected with an incoming cable. When the plastic shell breaker patch cord device is used for installing a cable, the cable which needs to be connected with the wiring port on the plastic shell breaker can be directly connected to the second end of the patch cord assembly, so that bending of the cable is reduced, the using amount of the cable is saved, the installation difficulty is reduced, the space is saved, and the occupied space is small; the device simple structure has realized the conversion to moulded case circuit breaker mode of connection, and the cost is lower, uses extensively.
Description
Technical Field
The invention belongs to the technical field of power switching, and particularly relates to a plastic-case circuit breaker switching line device.
Background
The large direct current charger is generated along with the appearance of new energy automobiles, and becomes a main electric energy supply mode of the new energy automobiles. Most products of the plastic-case circuit breaker installed in the direct-current charging pile do not support the connection mode of the lower inlet wire, and the upper inlet wire is inconvenient for the charging pile equipment because the use amount of the inlet wire cable can be increased and the cable is bent by 180 degrees during on-site wiring. If the existing connecting terminal is used as a transit device, the occupied space is extremely large, which is contradictory with the development trend of high power density of the charging pile; although some special types of plastic shell circuit breakers can lead in wires from a lower port, the price is high, the types are few, the installation cost is increased, and the leakage protection requirement cannot be met.
Disclosure of Invention
The invention aims to provide a plastic-case circuit breaker patch cord device, which aims to solve the technical problems that the existing plastic-case circuit breaker is inconvenient to use, large in occupied space and high in cost due to the adoption of a lower-port incoming line.
In order to achieve the above purpose, the invention adopts the following technical scheme: provided is a molded case circuit breaker patch cord device, including:
The switching wiring row assembly, the first end of switching wiring row assembly is used for being connected with the last wiring mouth of moulded case circuit breaker, the second end of switching wiring row assembly is used for extending to the outside of moulded case circuit breaker's lower wiring mouth, and be used for being connected with the inlet wire cable.
In another embodiment of the present application, the switching connection bar assembly includes an a-phase connection bar, a B-phase connection bar, and a C-phase connection bar, and further includes an insulating housing sleeved outside the a-phase connection bar, the B-phase connection bar, and the C-phase connection bar, wherein a first end of the a-phase connection bar, a first end of the B-phase connection bar, and a first end of the C-phase connection bar are respectively connected with different upper connection ports on the molded case circuit breaker, and a second end of the a-phase connection bar, a second end of the B-phase connection bar, and a second end of the C-phase connection bar are respectively extended to an outside of a lower connection port of the molded case circuit breaker.
As another embodiment of the present application, the a-phase connection row includes a first conductor and a second conductor disposed perpendicular to the first conductor and extending downward, a free end of the first conductor is a first end of the a-phase connection row, and a free end of the second conductor is a second end of the a-phase connection row;
The B phase connection row comprises a third conductor and a fourth conductor which is perpendicular to the third conductor and extends downwards, the free end of the third conductor is a first end of the B phase connection row, and the free end of the fourth conductor is a second end of the B phase connection row;
the C-phase connection row comprises a fifth conductor and a sixth conductor which is perpendicular to the fifth conductor and extends downwards, the free end of the fifth conductor is a first end of the C-phase connection row, and the free end of the sixth conductor is a second end of the C-phase connection row;
the A phase connection row, the B phase connection row and the C phase connection row are sequentially distributed at intervals on the front-back path.
In another embodiment of the present application, a first connection port is disposed at a second end of the a-phase connection row, a second connection port is disposed at a second end of the B-phase connection row, a third connection port is disposed at a second end of the C-phase connection row, and the first connection port, the second connection port, and the third connection port are sequentially distributed on an upper path and a lower path.
As another embodiment of the present application, the length of the second conductor, the length of the fourth conductor, and the length of the sixth conductor are sequentially increased.
As another embodiment of the present application, the free ends of the second conductor and the fourth conductor are respectively bent forward so that the first connection port, the second connection port, and the third connection port are spaced apart from each other along a specified pitch in the front-rear direction.
As another embodiment of the present application, the a-phase connection rows have two overlapping each other, the board surfaces of the first conductors in the two a-phase connection rows are in contact with each other, the board surfaces of the second conductors in the two a-phase connection rows are in contact with each other, the first end of each a-phase connection row is electrically connected with the same upper wiring port, and the second end is connected with the same cable;
The two B-phase connection rows are mutually overlapped, the plate surfaces of the third conductors in the two B-phase connection rows are mutually attached and contacted, the plate surfaces of the fourth conductors in the two A-phase connection rows are mutually attached and contacted, the first end of each B-phase connection row is electrically connected with the same upper wiring port, and the second end of each B-phase connection row is connected with the same cable;
The C-phase connection row is provided with two mutually overlapped plates of the fourth conductor in the C-phase connection row, the plates of the fifth conductor in the A-phase connection row are mutually in contact, the first ends of the C-phase connection rows are electrically connected with the same upper wiring port, and the second ends of the C-phase connection rows are electrically connected with the same cable.
In another embodiment of the present application, a first groove for accommodating the a-phase connection row, a second groove for accommodating the B-phase connection row, and a third groove for accommodating the C-phase connection row are respectively disposed in the insulating housing.
As another embodiment of the present application, a first cover plate for covering the first slot body, a second cover plate for covering the second slot body, and a third cover plate for covering the third slot body are further disposed on the inner side of the insulating housing.
As another embodiment of the present application, a first protrusion is provided on the first cover plate, and a first clamping position corresponding to the first protrusion is provided on the insulating housing;
The second cover plate is provided with a second bulge, and the insulating shell is provided with a second clamping position corresponding to the second bulge;
And a third bulge is arranged on the third cover plate, and a third clamping position corresponding to the third bulge is arranged on the insulating shell.
The plastic-case circuit breaker patch cord device provided by the invention has the beneficial effects that: compared with the prior art, the specific using method of the plastic-case circuit breaker patch cord device comprises the following steps: the switching wiring row assembly is arranged on the molded case circuit breaker, the second end of the switching wiring row assembly is positioned on the outer side of the wiring port under the molded case circuit breaker, when a cable is arranged, the cable of the wiring port under the molded case circuit breaker is normally arranged, and the cable which is connected with the wiring port on the molded case circuit breaker is required to be arranged at the second end of the switching wiring row assembly. When the plastic shell breaker patch cord device is used for installing a cable, the cable which needs to be connected with the wiring port on the plastic shell breaker can be directly connected to the second end of the patch cord assembly, so that bending of the cable is reduced, the using amount of the cable is saved, the installation difficulty is reduced, the space is saved, and the occupied space is small; the device simple structure has realized the conversion to moulded case circuit breaker mode of connection, and the cost is lower, uses extensively.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments or the description of the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a split structure of a patch cord device of a molded case circuit breaker according to an embodiment of the present invention;
fig. 2 is a schematic perspective view of a plastic case circuit breaker patch cord device according to an embodiment of the present invention;
Fig. 3 is a schematic perspective view of a plastic case circuit breaker patch cord device according to an embodiment of the present invention;
Fig. 4 is a schematic structural diagram of a use state of a patch cord device of a molded case circuit breaker according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of the front view of FIG. 4;
FIG. 6 is a schematic diagram of the installation structure of the A-phase connection row, the B-phase connection row and the C-phase connection row according to the embodiment of the present invention;
Fig. 7 is a schematic side view of fig. 6.
In the figure: 1. a is connected with the row; 101. a first conductor; 102. a second conductor; 103. a first wiring port; 2. b is connected with the row; 201. a third conductor; 202. a fourth conductor; 203. a second wiring port; 3. c is connected with the row; 301. a fifth conductor; 302. a sixth conductor; 303. a third wiring port; 4. an insulating housing; 401. a first tank body; 402. a second tank body; 403. a third tank; 404. a first clamping position; 405. a second clamping position; 406. a third clamping position; 5. a first cover plate; 501. a first protrusion; 6. a second cover plate; 601. a second protrusion; 7. a third cover plate; 701. a third protrusion; 8. a mounting plate; 9. and (5) mounting holes.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
In the present application, the term "front" refers to the side facing the molded case circuit breaker toggle button, the term "rear" refers to the side facing away from the molded case circuit breaker toggle button, the term "inner" refers to the side near the molded case circuit breaker, and the term "outer" refers to the side far from the molded case circuit breaker.
Referring to fig. 1 to 7 together, a description will now be given of a patch cord device for a molded case circuit breaker according to the present invention. The switching line device of the molded case circuit breaker comprises a switching line bank assembly, wherein a first end of the switching line bank assembly is used for being connected with an upper line port of the molded case circuit breaker, and a second end of the switching line bank assembly is used for extending to the outer side of a lower line port of the molded case circuit breaker and is connected with a wire inlet cable.
The specific use method of the plastic-case circuit breaker patch cord device provided by the invention comprises the following steps: the switching wiring row assembly is arranged on the molded case circuit breaker, the second end of the switching wiring row assembly is positioned on the outer side of the wiring port under the molded case circuit breaker, when a cable is arranged, the cable of the wiring port under the molded case circuit breaker is normally arranged, and the cable which is connected with the wiring port on the molded case circuit breaker is required to be arranged at the second end of the switching wiring row assembly.
Compared with the prior art, when the adapter wire device of the molded case circuit breaker is used for installing the cable, the cable which needs to be connected with the wiring port on the molded case circuit breaker can be directly connected to the second end of the adapter wire row assembly, so that bending of the cable is reduced, the use amount of the cable is saved, the installation difficulty is reduced, the use of space is saved, and the occupied space is small; the device simple structure has realized the conversion to moulded case circuit breaker mode of connection, and the cost is lower, uses extensively.
As a specific embodiment of the patch cord device for a molded case circuit breaker provided by the present invention, please refer to fig. 1 to 5, the patch cord assembly includes an a-phase connection row 1, a B-phase connection row 2, and a C-phase connection row 3, and further includes an insulating housing 4 sleeved outside the a-phase connection row 1, the B-phase connection row 2, and the C-phase connection row 3, wherein the first ends of the a-phase connection row 1, the B-phase connection row 2, and the C-phase connection row 3 are respectively connected with different upper wiring ports on the molded case circuit breaker, and the second ends of the a-phase connection row 1, the B-phase connection row 2, and the C-phase connection row 3 are respectively extended to the outer sides of lower wiring ports of the molded case circuit breaker. Because the connection row A1, the connection row B2 and the connection row C3 mainly realize the electric connection of the cable and the wiring port on the molded case circuit breaker, the connection rows A and the connection row C are all live conductors, and the insulation shell 4 is made of molding compound with good insulation performance, so that the integrity of the device is improved, the installation is convenient, the safety of the device is improved, and accidents such as electric leakage and electric shock are prevented.
As a specific embodiment of the patch cord device for a molded case circuit breaker provided by the present invention, referring to fig. 1 and 6 to 7, the a-connection row 1 includes a first conductor 101 and a second conductor 102 disposed perpendicular to the first conductor 101 and extending downward, the free end of the first conductor 101 is a first end of the a-connection row 1, and the free end of the second conductor 102 is a second end of the a-connection row 1; the B-phase connection row 2 includes a third conductor 201 and a fourth conductor 202 disposed perpendicularly to the third conductor 201 and extending downward, the free end of the third conductor 201 being the first end of the B-phase connection row 2, the free end of the fourth conductor 202 being the second end of the B-phase connection row 2; the C-phase connection row 3 includes a fifth conductor 301 and a sixth conductor 302 disposed perpendicularly to the fifth conductor 301 and extending downward, the free end of the fifth conductor 301 being the first end of the C-phase connection row 3, the free end of the sixth conductor 302 being the second end of the C-phase connection row 3; the A-phase connection row 1, the B-phase connection row 2 and the C-phase connection row 3 are sequentially and alternately distributed on the front-back path.
As can be seen from the above description, the first conductor 101 and the second conductor 102 form an L-shaped a-phase connection row 1, the third conductor 201 and the fourth conductor 202 form an L-shaped B-phase connection row 2, the fifth conductor 301 and the sixth conductor 302 form an L-shaped C-phase connection row 3, and the a-phase connection rows 1, B-phase connection row 2 and C-phase connection row 3 of the structure are orderly arranged in the front-back direction and can be attached to the side edges of the molded case circuit breaker, so that the patch cord device of the invention improves the installation order, reduces the arrangement of cables during installation, and reduces the occupation of space.
In this embodiment, the a-phase connection row 1, the B-phase connection row 2, and the C-phase connection row 3 are sequentially spaced apart on the front-rear path. The specific arrangement sequence from front to back can be as follows: (1) A-phase connection row 1, B-phase connection row 2, C-phase connection row 3; (2) A phase row 1, C phase row 3, B phase row 2; (3) B-phase row 2, A-phase row 1, C-phase row 3; (4) B phase connection row 2, C phase connection row 3, A phase connection row 1; (5) C phase connection row 3, A phase connection row 1, B phase connection row 2; (6) C-phase row 3, B-phase row 2, A-phase row 1.
As a specific embodiment of the patch cord device for a molded case circuit breaker provided by the present invention, referring to fig. 1 to 7, a first wiring port 103 is provided at a second end of the a-phase connection row 1, a second wiring port 203 is provided at a second end of the b-phase connection row 2, a third wiring port 303 is provided at a second end of the c-phase connection row 3, and the first wiring port 103, the second wiring port 203, and the third wiring port 303 are sequentially distributed on an up-down path.
In this case, the lengths of the second conductor 102, the fourth conductor 202 and the sixth conductor 302 may be equal, and the positions of the openings of the first wiring port 103, the second wiring port 203 and the third wiring port 303 need only be staggered in the up-down direction, so that the first wiring port 103, the second wiring port 203 and the third wiring port 303 are staggered in the up-down direction, the cables are not concentrated at one height during installation, a certain avoidance space is provided for the cables at the adjacent wiring ports, and the installation is convenient, but the proper intervals among the second conductor 102, the fourth conductor 202 and the sixth conductor 302 are ensured.
In the present embodiment, the first wiring port 103, the second wiring port 203, and the third wiring port 303 are sequentially spaced apart on the upper and lower paths. The specific arrangement sequence from top to bottom can be as follows: (1) A first wiring port 103, a second wiring port 203, and a third wiring port 303; (2) A first wiring port 103, a third wiring port 303, and a second wiring port 203; (3) A second wiring port 203, a first wiring port 103, and a third wiring port 303; (4) A second wiring port 203, a third wiring port 303, and a first wiring port 103; (5) A third wiring port 303, a first wiring port 103, and a second wiring port 203; (6) A third wiring port 303, a second wiring port 203, and a first wiring port 103.
As a specific embodiment of the molded case circuit breaker patch cord device provided by the present invention, referring to fig. 1 to 7, the length of the second conductor 102, the length of the fourth conductor 202, and the length of the sixth conductor 302 sequentially increase. In the embodiment where the lengths of the second conductor 102, the fourth conductor 202, and the sixth conductor 302 are uniform, the openings may be formed by measuring the positions of the respective openings from the free ends of the conductors during the formation of the openings. In this embodiment, since the lengths of the second conductor 102, the fourth conductor 202 and the sixth conductor 302 are different, the free ends of the conductors are directly opened, and the first wiring port 103, the second wiring port 203 and the third wiring port 303 are naturally staggered in the vertical direction after being installed, so that the manufacturing difficulty is reduced, the material use of the second conductor 102 and the fourth conductor 202 is reduced, and the production cost is reduced.
As a specific embodiment of the molded case circuit breaker patch cord device provided by the present invention, referring to fig. 1 to 7, the free end of the second conductor 102 and the free end of the fourth conductor 202 are respectively bent forward, so that the first wiring port 103, the second wiring port 203 and the third wiring port 303 are distributed at intervals along a specified interval in the front-rear direction. In the above embodiment without the installation position, the first wiring port 103, the second wiring port 203 and the third wiring port 303 are staggered only in the up-down direction, and on this basis, in the embodiment, since the second conductor 102 is bent forward, the fourth conductor 202 is bent forward, and the first wiring port 103, the second wiring port 203 and the third wiring port 303 are also staggered in the front-rear direction. The structure is convenient for wiring, the intervals among the second conductor 102, the fourth conductor 202 and the sixth conductor 302 can be relatively reduced, the compactness of the structure is improved, the wiring is convenient, and the occupation of space can be reduced.
As a specific embodiment of the molded case circuit breaker patch cord device provided by the invention, please refer to fig. 1 and 6 to 7, the a-phase connection row 1 has two mutually overlapped plates of the first conductors 101 in the two a-phase connection rows 1, the plates of the second conductors 102 in the two a-phase connection rows 1 are mutually contacted in a laminating manner, the first end of each a-phase connection row 1 is electrically connected with the same upper wiring port, and the second end is connected with the same cable; the B-phase connection rows 2 are provided with two mutually overlapped third conductors 201, the faces of the third conductors 201 in the two B-phase connection rows 2 are mutually in fit contact, the faces of the fourth conductors 202 in the two B-phase connection rows 2 are mutually in fit contact, the first end of each B-phase connection row 2 is electrically connected with the same upper wiring port, and the second end of each B-phase connection row 2 is connected with the same cable; the C phase connection row 3 is provided with two mutually overlapped fifth conductors 301 in the two C phase connection rows 3, the faces of the sixth conductors 302 in the two C phase connection rows 3 are mutually in fit contact, the first ends of each C phase connection row 3 are electrically connected with the same upper wiring port, and the second ends of the C phase connection rows are electrically connected with the same cable.
When the current range is smaller (not more than 300A), the a-phase connection row 1, the B-phase connection row 2 and the C-phase connection row 3 can be in a single conductor installation form, namely, the a-phase connection row 1, the B-phase connection row 2 and the C-phase connection row 3 are provided with one; if the current range is larger (300A-600A), the A phase connection row 1, the B phase connection row 2 and the C phase connection row 3 are installed by adopting the double-conductor parallel structure of the embodiment, the applicable current range of the device is improved, and the service life of the device is prolonged.
Specifically, the first conductor 101, the third conductor 201 and the fifth conductor 301 are all socket head cap bolts of the molded case circuit breaker and are connected with an upper wiring port of the molded case circuit breaker, so that the self-assembly parts of the molded case circuit breaker are not changed to realize the patch cord. When the inner hexagon bolt is installed, a flat pad and a spring pad are required to be sleeved, so that the socket of the molded case circuit breaker is prevented from being damaged, and the bolt is prevented from loosening; the second conductors 102 are provided with two, and then the first wiring ports 103 are also provided with two, and the structural distribution after the connection of the two first wiring ports 103 is a bolt, a flat pad, the first wiring ports 103, a flat pad, a spring pad and a nut in sequence, and the mounting structure of the second wiring ports 203 and the third wiring ports 303 is the same as that of the first wiring ports 103, which is not repeated here.
As a specific embodiment of the molded case circuit breaker patch cord device provided by the present invention, referring to fig. 1 to 3, a first slot 401 for accommodating the a-phase connection row 1, a second slot 402 for accommodating the B-phase connection row 2, and a third slot 403 for accommodating the C-phase connection row 3 are respectively provided in the insulating housing 4. The installation process of the patch cord device of the invention can be as follows: (1) Connecting the A phase connection row 1, the B phase connection row 2 and the C phase connection row 3 with an upper wiring port of the molded case circuit breaker, enabling a first groove body 401 on an insulating shell 4 to be aligned with the A phase connection row 1, enabling a second groove body 402 to be aligned with the B phase connection row 2, enabling a third groove body 403 to be aligned with the C phase connection row 3, and enabling the insulating shell 4 to be buckled outside the A phase connection row 1, the B phase connection row 2 and the C phase connection row 3; (2) The a-phase connection row 1 is placed in the first groove body 401, the B-phase connection row 2 is placed in the second groove body 402, the C-phase connection row 3 is placed in the third groove body 403, and then the a-phase connection row 1, the B-phase connection row 2, the C-phase connection row 3 and the insulating housing 4 are integrally mounted on the molded case circuit breaker.
In this embodiment, the first slot 401, the second slot 402 and the third slot 403 are disposed in the insulating housing 4, so that the installation of the a-phase connection row 1, the B-phase connection row 2 and the C-phase connection row 3 is facilitated, and the a-phase connection row 1, the B-phase connection row 2 and the C-phase connection row 3 are isolated, so as to avoid electric accidents caused by mutual contact among the a-phase, the B-phase and the C-phase.
As a specific embodiment of the molded case circuit breaker patch cord device provided by the present invention, referring to fig. 1 to 3, the inner side of the insulating housing 4 is further provided with a first cover plate 5 for covering the first slot 401, a second cover plate 6 for covering the second slot 402, and a third cover plate 7 for covering the third slot 403, respectively. The installation process of the patch cord device of the invention can be as follows: firstly, the A-phase connection row 1 is placed in the first groove body 401, then the first groove body 401 is covered by the first cover plate 5, the B-phase connection row 2 is placed in the second groove body 402, then the second groove body 402 is covered by the second cover plate 6, the C-phase connection row 3 is placed in the third groove body 403, then the third groove body 403 is covered by the third cover plate 7, the integrity of the device is improved, and the A-phase connection row 1, the B-phase connection row 2 and the C-phase connection row 3 are sealed and installed, so that the installation property of the device is improved, and the occurrence of leakage accidents is reduced.
Specifically, the first cover plate 5, the second cover plate 6 and the third cover plate 7 are all installed on the inner side of the insulating housing 4, and the first cover plate 5, the second cover plate 6 and the third cover plate 7 are all made of insulating materials, so that the appearance of the outside of the device is improved, and the installation performance is also improved.
As a specific embodiment of the molded case circuit breaker patch cord device provided by the invention, referring to fig. 1 to 3, a first protrusion 501 is provided on a first cover plate 5, and a first clamping position 404 corresponding to the first protrusion 501 is provided on an insulating housing 4; the second cover plate 6 is provided with a second bulge 601, and the insulating shell 4 is provided with a second clamping position 405 corresponding to the second bulge 601; the third cover plate 7 is provided with a third protrusion 701, and the insulating housing 4 is provided with a third clamping position 406 corresponding to the third protrusion 701. The first clamping position 404, the second clamping position 405 and the third clamping position 406 are arranged to limit the installation states of the first cover plate 5, the second cover plate 6 and the third cover plate 7 respectively, so that the first cover plate 5, the second cover plate 6 and the third cover plate 7 are prevented from shaking back and forth after being installed, and the installation stability is improved; and as long as the first protrusion 501 and the first clamping position 404 are aligned, namely the mounting position of the first cover plate 5 is positioned, the mounting process of the second cover plate 6 and the third cover plate 7 is the same as that of the first cover plate 5, so that the mounting is convenient, and the labor intensity is reduced.
Specifically, in the installation state of the first cover plate 5, the second cover plate 6 and the third cover plate 7, the outer surfaces of the first cover plate, the second cover plate 6 and the third cover plate are flush with the inner side surface of the insulating shell 4, so that the smoothness of the whole outer surface is improved, sharp corner scratches are prevented, and the appearance is optimized.
As a specific embodiment of the molded case circuit breaker patch cord device provided by the invention, referring to fig. 1 to 5, the insulating housing 4 is an L-shaped member, and a plurality of mounting plates 8 are disposed at corners of the insulating housing 4 in front and rear directions, and the plurality of mounting plates 8 are connected by a threaded connection. Through set up the mounting panel 8 inboard at insulating housing 4's corner and connect threaded connection spare, extrude first apron 5, second apron 6 and third apron 7 in the fore-and-aft direction, improve the wholeness of device and the steadiness between each component, can also prevent that first apron 5, second apron 6 and third apron 7 from droing.
As a specific embodiment of the molded case circuit breaker patch cord device provided by the invention, referring to fig. 3, a plurality of mounting holes 9 are provided on the rear side surface of the insulating housing 4, and the mounting holes 9 may be parallel to the front-rear direction or perpendicular to the front-rear direction. The mounting holes 9 on the insulating housing 4 may be provided in the form of: (1) A mounting hole 9 arranged in the vertical front-rear direction and a mounting hole 9 arranged in the parallel front-rear direction; (2) two mounting holes 9 provided vertically in the front-rear direction; (3) The mounting holes 9 are formed in the front-rear direction in parallel, the insulating housing 4 can be mounted on the machine shell in various assembly modes of the mounting holes 9, the mounting holes are convenient to fix, and the gravity of the insulating housing 4 body acting on the top of the molded case circuit breaker is reduced.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (6)
1. Plastic case circuit breaker patch cord device, its characterized in that includes:
The first end of the switching wiring row assembly is used for being connected with an upper wiring port of the molded case circuit breaker, and the second end of the switching wiring row assembly is used for extending to the outer side of a lower wiring port of the molded case circuit breaker and is connected with an incoming cable;
The switching wiring row assembly comprises an A-phase connection row, a B-phase connection row and a C-phase connection row, and further comprises an insulating shell sleeved outside the A-phase connection row, the B-phase connection row and the C-phase connection row, wherein the first end of the A-phase connection row, the first end of the B-phase connection row and the first end of the C-phase connection row are respectively connected with different upper wiring ports on the molded case circuit breaker, and the second end of the A-phase connection row, the second end of the B-phase connection row and the second end of the C-phase connection row are respectively extended to the outer sides of lower wiring ports of the molded case circuit breaker;
the A phase connection row comprises a first conductor and a second conductor which is perpendicular to the first conductor and extends downwards, the free end of the first conductor is a first end of the A phase connection row, and the free end of the second conductor is a second end of the A phase connection row;
The B phase connection row comprises a third conductor and a fourth conductor which is perpendicular to the third conductor and extends downwards, the free end of the third conductor is a first end of the B phase connection row, and the free end of the fourth conductor is a second end of the B phase connection row;
the C-phase connection row comprises a fifth conductor and a sixth conductor which is perpendicular to the fifth conductor and extends downwards, the free end of the fifth conductor is a first end of the C-phase connection row, and the free end of the sixth conductor is a second end of the C-phase connection row;
The A phase connection row, the B phase connection row and the C phase connection row are sequentially distributed at intervals on a front-back path;
The insulating shell is an L-shaped member, a plurality of mounting plates are arranged at the corners of the insulating shell in the front-rear direction, and the mounting plates are connected through threaded connectors;
The insulating shell is internally provided with a first groove body for accommodating the A-phase connection row, a second groove body for accommodating the B-phase connection row and a third groove body for accommodating the C-phase connection row respectively;
the inner side of the insulating shell is also respectively provided with a first cover plate for sealing the first groove body, a second cover plate for sealing the second groove body and a third cover plate for sealing the third groove body.
2. The molded case circuit breaker patch cord device of claim 1, wherein a first connection port is provided at a second end of the a-phase connection row, a second connection port is provided at a second end of the B-phase connection row, a third connection port is provided at a second end of the C-phase connection row, and the first connection port, the second connection port, and the third connection port are sequentially distributed on an up-down path.
3. The molded case circuit breaker patch cord device of claim 2, wherein the length of the second conductor, the length of the fourth conductor, and the length of the sixth conductor sequentially increase.
4. The molded case circuit breaker patch cord device of claim 3, wherein the free ends of the second conductor and the fourth conductor are respectively bent forward such that the first wire connection opening, the second wire connection opening, and the third wire connection opening are spaced apart along a designated pitch in a front-to-rear direction.
5. The molded case circuit breaker patch cord device of claim 1, wherein the a-phase connection rows have two overlapping plates of the first conductors in the two a-phase connection rows in contact with each other, the plates of the second conductors in the two a-phase connection rows in contact with each other, the first ends of each a-phase connection row are electrically connected to the same upper wire connection port, and the second ends are connected to the same cable;
The two B-phase connection rows are provided with two mutually overlapped plates of the third conductors in the two B-phase connection rows, the plates of the fourth conductors in the two B-phase connection rows are mutually in contact, the first ends of each B-phase connection row are electrically connected with the same upper wiring port, and the second ends of each B-phase connection row are connected with the same cable;
The C-phase connection row is provided with two mutually overlapped plates of the fifth conductor in the C-phase connection row, the plates of the sixth conductor in the C-phase connection row are mutually in contact, the first ends of the C-phase connection rows are electrically connected with the same upper wiring port, and the second ends of the C-phase connection rows are electrically connected with the same cable.
6. The molded case circuit breaker patch cord device of claim 1, wherein a first protrusion is provided on the first cover plate, and a first clamping position corresponding to the first protrusion is provided on the insulating housing;
The second cover plate is provided with a second bulge, and the insulating shell is provided with a second clamping position corresponding to the second bulge;
And a third bulge is arranged on the third cover plate, and a third clamping position corresponding to the third bulge is arranged on the insulating shell.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011239851.3A CN112420454B (en) | 2020-11-09 | 2020-11-09 | Plastic case breaker patch cord device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011239851.3A CN112420454B (en) | 2020-11-09 | 2020-11-09 | Plastic case breaker patch cord device |
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| CN112420454A CN112420454A (en) | 2021-02-26 |
| CN112420454B true CN112420454B (en) | 2024-10-18 |
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| CN202011239851.3A Active CN112420454B (en) | 2020-11-09 | 2020-11-09 | Plastic case breaker patch cord device |
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| CN207398037U (en) * | 2017-11-15 | 2018-05-22 | 浙江苏耐电力科技有限公司 | For the bus adaption device of breaker |
| CN208923003U (en) * | 2018-11-14 | 2019-05-31 | 中山市可壳电器有限公司 | A kind of enterprising upper outlet type circuit protection device |
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| FR2937188A1 (en) * | 2008-10-09 | 2010-04-16 | Schneider Electric Ind Sas | DEVICE AND SLIDING ASSEMBLY FOR ELECTRICAL CONNECTION, ESPECIALLY FOR DIFFERENTIAL PROTECTION BLOCK |
| CN202230960U (en) * | 2011-09-22 | 2012-05-23 | 施耐德电器工业公司 | Breaker connecting device |
| CN207233668U (en) * | 2017-08-10 | 2018-04-13 | 天津瑞能电气有限公司 | Breaker bilayer inlet-outlet line arranges fixing device |
| CN207719610U (en) * | 2017-10-30 | 2018-08-10 | 许昌华元泰电气科技有限公司 | A kind of modularization low-voltage distribution equipment |
| CN109509686B (en) * | 2018-10-29 | 2024-03-26 | 浙江正泰电器股份有限公司 | Combined breaker connector |
| CN210607136U (en) * | 2019-10-24 | 2020-05-22 | 北京华电瑞通电力工程技术有限公司 | Integrated bus system |
| CN111403242A (en) * | 2020-04-27 | 2020-07-10 | 乐清市一锦电子有限公司 | Leakage release capable of simultaneously entering from bottom to top and exiting from bottom to top |
| CN111640631A (en) * | 2020-07-02 | 2020-09-08 | 乐清市高科环保电子有限公司 | Wiring device for circuit breaker |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN207398037U (en) * | 2017-11-15 | 2018-05-22 | 浙江苏耐电力科技有限公司 | For the bus adaption device of breaker |
| CN208923003U (en) * | 2018-11-14 | 2019-05-31 | 中山市可壳电器有限公司 | A kind of enterprising upper outlet type circuit protection device |
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| CN112420454A (en) | 2021-02-26 |
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