CN220963202U - Electronic current release base of molded case circuit breaker - Google Patents
Electronic current release base of molded case circuit breaker Download PDFInfo
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- CN220963202U CN220963202U CN202322545617.9U CN202322545617U CN220963202U CN 220963202 U CN220963202 U CN 220963202U CN 202322545617 U CN202322545617 U CN 202322545617U CN 220963202 U CN220963202 U CN 220963202U
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- electronic current
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- 239000004020 conductor Substances 0.000 claims abstract description 34
- 210000001503 joint Anatomy 0.000 claims abstract description 15
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model relates to an electronic current release base of a molded case circuit breaker, which comprises a first base, a second base, a first wiring terminal and a second wiring terminal which are mutually butted, wherein a plurality of annular current transformer accommodating grooves are formed in the butted surface of the first base, and a conductor pipeline is formed in the middle of the first base; the first wiring terminal is arranged on the opposite side face of the butt joint face of the first base; a plurality of annular current transformer adapting grooves which are butted with the conductor channels are formed in the butted surface of the second base, and a conductor through hole is formed in the middle of the annular current transformer adapting grooves; the second wiring terminal is arranged on the opposite side face of the butt joint face of the second base; the current transformer accommodating groove is butted with the current transformer adapting groove to form a current transformer accommodating cavity, and the conductor pipeline is butted with the conductor through hole to form a conductor channel. Compared with the prior art, the electronic current release base is compact in structure and modularized, and is beneficial to convenient installation of the electronic current release in a circuit breaker.
Description
Technical Field
The utility model belongs to the technical field of circuit breakers, and relates to an electronic current release base of a molded case circuit breaker.
Background
The plastic-case circuit breaker is also called as a device-type circuit breaker, and the plastic-case circuit breaker is characterized in that a contact, an arc extinguishing chamber, a release, an operating mechanism and the like are all arranged in a plastic shell, and an auxiliary contact, an undervoltage release, a shunt release and the like are modularized, so that the plastic-case circuit breaker cannot be overhauled basically due to a very compact structure. The overcurrent release has two protection modes, namely a thermomagnetic type and an electronic type, and the general thermomagnetic molded case circuit breaker is a nonselective circuit breaker, and has only two protection modes of overload long delay and short circuit instant, and the electronic molded case circuit breaker has four protection functions of overload long delay, short circuit short delay, short circuit instant and ground fault. However, the existing electronic molded case circuit breaker has the problems of more parts and poorer assembly convenience.
Disclosure of utility model
The utility model aims to provide an electronic current release base of a molded case circuit breaker.
The aim of the utility model can be achieved by the following technical scheme:
An electronic current release base comprises a first base, a second base, a first wiring terminal and a second wiring terminal,
A plurality of annular current transformer accommodating grooves are formed in the abutting surface of the first base, and conductor pipelines are formed in the middle of each annular current transformer accommodating groove; the first wiring terminal is arranged on the opposite side face of the butt joint face of the first base;
A plurality of annular current transformer adapting grooves which are butted with the conductor channels are formed in the butt joint surface of the second base, and conductor through holes are formed in the middle of the annular current transformer adapting grooves; the second wiring terminal is arranged on the opposite side face of the butt joint face of the second base;
The current transformer accommodating groove is in butt joint with the current transformer adapting groove to form a current transformer accommodating cavity, and the conductor pipeline is in butt joint with the conductor through hole to form a conductor channel.
Further, bolt holes are formed in the first base and the second base oppositely, and the first base and the second base are connected through bolts.
Further, a plurality of wire outlet holes are formed in the first base, and the wire outlet holes are communicated with corresponding annular current transformer accommodating grooves.
Further, the wire outlet hole is formed in the top of the first base.
Further, the first wiring terminal and the second wiring terminal comprise a wiring board and a mounting plate which are connected in an L shape, wiring through holes for the wiring bolts to pass through are formed in the wiring board, and mounting through holes are formed in the mounting plate.
Further, the wiring board is also provided with a wiring pipe extending into the conductor channel.
Further, the first terminal is butted with the terminal pipe on the second terminal.
Further, a first wiring terminal limiting groove matched with the wiring board of the first wiring terminal is formed in the first base; and a second wiring terminal limiting groove matched with the wiring board of the second wiring terminal is formed in the second base.
Further, the first base is provided with 3 annular current transformer accommodating grooves.
Further, a plurality of light holes are formed in the first base and the second base.
Compared with the prior art, the utility model has the following beneficial effects:
1) According to the utility model, the base foundation structure of the electronic current tripping device base is formed by the first base and the second base which are mutually butted, the annular current transformer accommodating groove and the annular current transformer adapting groove which are arranged on the butt joint surface form the current transformer accommodating cavity, the conductor channel is formed by the conductor pipeline and the conductor through hole which are mutually butted, and meanwhile, the first wiring end and the second wiring end are arranged on the outer side wall of the base foundation structure, so that the electronic current tripping device base with a compact and modularized structure is finally formed, and the electronic current tripping device is convenient to install in a circuit breaker.
2) The three-phase conductors of the utility model are consistent, space utilization is maximized, and a plurality of current transformer coils can be placed in a single phase.
Drawings
Fig. 1 is a schematic perspective view of an electronic current trip base according to an embodiment;
FIG. 2 is an exploded view of an electronic current trip unit base according to one embodiment;
FIG. 3 is a schematic view of the structure of the first base;
FIG. 4 is a schematic view of the structure of the second base;
The figure indicates:
11-first base, 1101-conductor pipe, 1102-conductor pipe, 1104-wire outlet hole, 1105-first terminal limit groove, 12-second base, 1201-annular current transformer adaptation groove, 1202-conductor through hole, 1103, 1203-bolt hole, 1204-second terminal limit groove, 21-first terminal, 22-second terminal.
Detailed Description
The utility model will now be described in detail with reference to the drawings and specific examples. The following examples are given with the above technical solutions of the present utility model as a premise, and detailed embodiments and specific operation procedures are given, but the scope of protection of the present utility model is not limited to the following examples.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
Some embodiments of the present utility model are described in detail below with reference to the accompanying drawings. The embodiments described below and features of the embodiments may be combined with each other without conflict.
Examples
The electronic current release base shown in fig. 1 and 2 comprises a first base 11, a second base 12, a first wiring terminal 21 and a second wiring terminal 22 which are mutually butted, wherein, as shown in fig. 3, a plurality of annular current transformer accommodating grooves 1102 are formed on the butted surface of the first base 11, and a conductor pipeline 1101 is formed in the middle of the annular current transformer accommodating grooves 1102; the first terminals 21 are provided on opposite sides of the abutting surface of the first base 11; as shown in fig. 4, a plurality of annular current transformer adapting grooves 1201 which are butted with the conductor pipe 1101 are formed on the butt joint surface of the second base 12, and a conductor through hole 1202 is formed in the middle of the annular current transformer adapting groove 1201; the second terminals 22 are provided on opposite sides of the mating face of the second base 12.
In this embodiment, the first base 11 and the second base 12 that are in butt joint form a base foundation structure of the electronic current release base, the annular current transformer accommodating groove 1102 and the annular current transformer adapting groove 1201 formed on the butt joint surface form a current transformer accommodating cavity, and the conductor pipeline 1101 and the conductor through hole 1202 that are in butt joint form a conductor channel, and meanwhile, the first wiring terminal 21 and the second wiring terminal 22 are arranged on the outer side wall of the base foundation structure, so as to finally form the electronic current release base with compact and modularized structure, which is beneficial to the convenient installation of the electronic current release in the circuit breaker.
In some specific embodiments, the first base 11 and the second base 12 are oppositely provided with bolt holes 1103, 1203 and are connected by bolts. Preferably, the bolt holes are formed at four corners of the first base 11 and the second base 12.
In some specific embodiments, the first terminal 21 and the second terminal 22 each include a terminal plate and a mounting plate connected in an L-shape, the terminal plate is provided with a terminal through hole through which a terminal bolt passes, and the mounting plate is provided with a mounting through hole.
The first base 11 and the second base 12, and the first terminal 21 and the second terminal 22 are connected by bolts in this embodiment, so as to ensure the overall structural stability of the modularized electronic current trip base.
In some specific embodiments, the first base 11 is provided with a plurality of wire outlet holes 1104, and the wire outlet holes 1104 are communicated with the corresponding annular current transformer accommodating grooves 1102 for wire routing on the current transformer. And preferably, a plurality of wire outlets 1104 are formed at the top of the first base 11.
In some embodiments, the patch panel is further provided with a wire conduit extending into the conductor channel. And preferably, the connection tubes on the first terminal 21 and the second terminal 22 are butted with each other to form a connection channel.
In some specific embodiments, the first base 11 is provided with a first terminal limiting slot 1105 adapted to the wiring board of the first terminal 21; a second terminal limiting groove 1204 adapted to the terminal plate of the second terminal 22 is formed in the second base 12. The first terminal 21 and the second terminal 22 are installed through the limit groove, so that stability of installation effect is guaranteed.
In some specific embodiments, the first base 11 is provided with 3 annular current transformer receiving slots 1102.
In some embodiments, the first base 11 and the second base 12 are provided with a plurality of light holes.
The previous description of the embodiments is provided to facilitate a person of ordinary skill in the art in order to make and use the present utility model. It will be apparent to those skilled in the art that various modifications can be readily made to these embodiments and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present utility model is not limited to the above-described embodiments, and those skilled in the art, based on the present disclosure, should make improvements and modifications without departing from the scope of the present utility model.
Claims (10)
1. An electronic current release base is characterized by comprising a first base (11) and a second base (12) which are mutually butted, a first wiring terminal (21) and a second wiring terminal (22),
A plurality of annular current transformer accommodating grooves (1102) are formed in the abutting surface of the first base (11), and a conductor pipeline (1101) is formed in the middle of each annular current transformer accommodating groove (1102); the first wiring terminal (21) is arranged on the opposite side face of the abutting face of the first base (11);
A plurality of annular current transformer adapting grooves (1201) which are butted with the conductor pipelines (1101) are formed in the butt joint surface of the second base (12), and conductor through holes (1202) are formed in the middle of the annular current transformer adapting grooves (1201); the second wiring terminal (22) is arranged on the opposite side surface of the abutting surface of the second base (12);
the annular current transformer accommodating groove (1102) is in butt joint with the annular current transformer adapting groove (1201) to form a current transformer accommodating cavity, and the conductor pipeline (1101) is in butt joint with the conductor through hole (1202) to form a conductor channel.
2. The electronic current release base according to claim 1, wherein the first base (11) and the second base (12) are oppositely provided with bolt holes and are connected by bolts.
3. The electronic current trip base according to claim 1, wherein a plurality of wire outlet holes (1104) are formed in the first base (11), and the wire outlet holes (1104) are communicated with corresponding annular current transformer accommodating grooves (1102).
4. The electronic current trip base according to claim 3, wherein the wire outlet hole (1104) is opened at the top of the first base (11).
5. The electronic current trip base according to claim 1, wherein the first terminal (21) and the second terminal (22) each comprise a terminal plate and a mounting plate connected in an L-shape, the terminal plate is provided with a terminal through hole through which a terminal bolt passes, and the mounting plate is provided with a mounting through hole.
6. The electronic current trip unit base of claim 5, wherein the terminal block further includes a wire conduit extending into the conductor channel.
7. The electronic current trip base of claim 6 wherein said first terminal (21) interfaces with a terminal on said second terminal (22).
8. The electronic current trip base according to claim 5, characterized in that the first base (11) is provided with a first terminal limit groove (1105) adapted to a terminal board of the first terminal (21); a second wiring terminal limiting groove (1204) matched with the wiring board of the second wiring terminal (22) is formed in the second base (12).
9. The electronic current trip base according to claim 1, wherein the first base (11) is provided with 3 annular current transformer accommodating grooves (1102).
10. The electronic current trip base according to claim 1, wherein the first base (11) and the second base (12) are provided with a plurality of light holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322545617.9U CN220963202U (en) | 2023-09-19 | 2023-09-19 | Electronic current release base of molded case circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322545617.9U CN220963202U (en) | 2023-09-19 | 2023-09-19 | Electronic current release base of molded case circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220963202U true CN220963202U (en) | 2024-05-14 |
Family
ID=91020123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322545617.9U Active CN220963202U (en) | 2023-09-19 | 2023-09-19 | Electronic current release base of molded case circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220963202U (en) |
-
2023
- 2023-09-19 CN CN202322545617.9U patent/CN220963202U/en active Active
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