CN204144692U - Safety distribution cabinet - Google Patents
Safety distribution cabinet Download PDFInfo
- Publication number
- CN204144692U CN204144692U CN201420696092.7U CN201420696092U CN204144692U CN 204144692 U CN204144692 U CN 204144692U CN 201420696092 U CN201420696092 U CN 201420696092U CN 204144692 U CN204144692 U CN 204144692U
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- China
- Prior art keywords
- busbar
- circuit breaker
- terminals
- insulator
- branch
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Abstract
The utility model discloses a kind of safety distribution cabinet, comprise cabinet, in described cabinet, be provided with main circuit breaker and branch circuit breaker; Main circuit breaker is connected by coupling with branch circuit breaker, coupling comprises insulator, main busbar, the left branch busbar be connected with main busbar, the right branch busbar that is connected with main busbar, main busbar runs through insulator along first direction, on it, two first terminals are exposed to insulator exterior, first terminals are connected with the leading-out terminal of main circuit breaker, second terminals of left branch busbar extend to insulator exterior left along the second direction vertical with first direction, and the second terminals are connected with the branch circuit breaker be positioned on the left of coupling; 3rd terminals of right branch busbar extend to insulator exterior to the right along the second direction vertical with first direction, and the 3rd terminals are connected with the branch circuit breaker be positioned on the right side of coupling.It is reasonable that the utility model has compact conformation, and cabinet inner space can be used effectively, safe and reliable advantage.
Description
Technical field
The utility model relates to a kind of power distribution cabinet.
Background technology
A kind of leak shock protection power distribution cabinet is disclosed in patent documentation CN2636462Y, there is a cabinet, in the front of cabinet, top is provided with panel, middle and lower part has cabinet door, in cabinet, its top is provided with knife switch, the handle of knife switch is arranged on panel, it is characterized in that in cabinet, the bottom of knife switch is provided with a second class protection residual current circuit breaker, be electrically connected with knife switch, the bottom of second class protection residual current circuit breaker is connected to three-phase bus bar, three-phase bus bar is fixed by the insulator of cabinet both sides, the bottom of three-phase bus bar is connected to end residual current circuit breaker group, end residual current circuit breaker group is arranged on the bottom of cabinet.This leak shock protection power distribution cabinet; the end residual current circuit breaker group of second class protection residual current circuit breaker is arranged in the power distribution cabinet of existing approved product; existing distribution is used to have secondary leak shock defencive function; the concentrated for distribution of electricity consumption facility can be realized; and have employed the cascade protection of leak shock; end residual current circuit breaker device is broken down and can not in time trip protection time, by second class protection residual current circuit breaker, leak shock protection is carried out to electricity consumption facility, there is good result of use.But this power distribution cabinet also Shortcomings: outside the three-phase bus bar connecting second class protection residual current circuit breaker and end residual current circuit breaker is exposed to, when staff is charged in cabinet during overhaul of the equipments, easily touches busbar and then causes electric shock accidents occurs; In addition, be exposed to outer busbar and easily touched, if there is conductor improper conducting two busbar, cause short circuit possibly, and then cause security incident; The transversely arranged setting of residual current circuit breaker group, if residual current circuit breaker quantity is more, need the volume strengthening power distribution cabinet, and cabinet intracorporeal space can not be used effectively.
Utility model content
To this, the purpose of this utility model is to provide a kind of safe and reliable and rational power distribution cabinet of compact conformation.
The technical scheme realizing the utility model object is:
A kind of safety distribution cabinet, comprises cabinet, is provided with main circuit breaker and branch circuit breaker in described cabinet, described main circuit breaker is connected by coupling with described branch circuit breaker, described coupling comprises insulator, main busbar, the left branch busbar be connected with described main busbar, the right branch busbar be connected with described main busbar, described main busbar, described left branch busbar and described right branch busbar are encapsulated in described insulator, described main busbar runs through described insulator along first direction, on it, two first terminals are exposed to described insulator exterior, first terminals are connected with the leading-out terminal of described main circuit breaker, second terminals of described left branch busbar extend to described insulator exterior left along the second direction vertical with described first direction, described second terminals are connected with the described branch circuit breaker be positioned on the left of described coupling, 3rd terminals of described right branch busbar extend to described insulator exterior to the right along the second direction vertical with described first direction, and described 3rd terminals are connected with the described branch circuit breaker be positioned on the right side of described coupling.
In technique scheme, the first terminals near described main circuit breaker protrude described insulator corresponding end-faces, and described insulator is provided with groove with the first terminals correspondence position away from described main circuit breaker.
In technique scheme, described insulator is provided with through vent passages.
In technique scheme, described vent passages is arranged near described main busbar, and arranges in the same way with described main busbar.
The utility model has positive effect:
(1) in the utility model, described main circuit breaker is connected by coupling with described branch circuit breaker, described coupling comprises insulator, main busbar, the left branch busbar be connected with described main busbar, the right branch busbar be connected with described main busbar, described main busbar, described left branch busbar and described right branch busbar are encapsulated in described insulator, described main busbar runs through described insulator along first direction, on it, two first terminals are exposed to described insulator exterior, first terminals are connected with the leading-out terminal of described main circuit breaker, second terminals of described left branch busbar extend to described insulator exterior left along the second direction vertical with described first direction, described second terminals are connected with the described branch circuit breaker be positioned on the left of described coupling, 3rd terminals of described right branch busbar extend to described insulator exterior to the right along the second direction vertical with described first direction, and described 3rd terminals are connected with the described branch circuit breaker be positioned on the right side of described coupling, by adopting this structure, cabinet intracorporeal space is used effectively, compact conformation is reasonable, even if install multiple branch circuit breaker also without the need to strengthening cabinet volume, and because in this coupling, busbar outside has insulator to encapsulate, even if thus staff overhauls the equipment in power distribution cabinet when charged, also not easily there is electric shock accidents because touching busbar, simultaneously due to the existence of insulator, also the situation effectively avoiding conductor two busbars connections to be short-circuited, thus uses more safe and reliable.
(2) in power distribution cabinet of the present utility model, the first terminals near described main circuit breaker protrude described insulator corresponding end-faces, and described insulator is provided with groove with the first terminals correspondence position away from described main circuit breaker; By adopting this structure; when connecting two or more branch circuit breaker by increasing the quantity of coupling; first terminals of connected coupling are connected (as shown in Figure 3) by the mode of male-female engagement; thus main busbar is separated completely; play the effect of protection, use safer.
(3), in the utility model, can effectively the heat that busbar produces be shed in time by arranging vent passages on insulator, good heat dissipation effect.
Accompanying drawing explanation
Fig. 1 is the structural representation of power distribution cabinet of the present utility model;
Fig. 2 is in power distribution cabinet of the present utility model, the positive direction view of coupling;
Fig. 3 is schematic diagram during from A to coupling shown in observation Fig. 2.
Reference numeral shown in figure is: the main busbar of 1-; 11-first terminals; 2-left branch busbar; 21-second terminals; 3-insulator; 31-groove; 32-vent passages; 4-main circuit breaker; 5-branch circuit breaker; 6-coupling; 7-right branch busbar; 71-the 3rd terminals.
Embodiment
Do to illustrate below in conjunction with the concrete structure of Figure of description to power distribution cabinet of the present utility model:
A kind of safety distribution cabinet, comprises cabinet, is provided with main circuit breaker 4 and branch circuit breaker 5 in described cabinet, described main circuit breaker 4 is connected by coupling 6 with described branch circuit breaker 5, described coupling 6 comprises insulator 3, main busbar 1, the left branch busbar 2 be connected with described main busbar 1, the right branch busbar 7 be connected with described main busbar 1, described main busbar 1, described left branch busbar 2 and described right branch busbar 7 are encapsulated in described insulator 3, described main busbar 1 runs through described insulator 3 along first direction, on it, two first terminals 11 are exposed to described insulator 3 outside, first terminals 11 are connected with the leading-out terminal of described main circuit breaker 4, another first terminals 11 connect another coupling where necessary, in order to by more branch circuit breaker 5 place in circuit, second terminals 21 of described left branch busbar 2 extend to described insulator 3 outside left along the second direction vertical with described first direction, and described second terminals 21 are connected with the described branch circuit breaker 5 be positioned on the left of described coupling 6, 3rd terminals 71 of described right branch busbar 7 extend to described insulator 3 outside to the right along the second direction vertical with described first direction, and described 3rd terminals 71 are connected with the described branch circuit breaker 5 be positioned on the right side of described coupling 6.Cabinet intracorporeal space can be made to be used effectively by adopting the structure in the present embodiment, compact conformation is reasonable, even if install multiple branch circuit breaker 5 also without the need to strengthening cabinet volume, and because in this coupling 6, busbar outside has insulator 3 to encapsulate, even if thus staff overhauls the equipment in power distribution cabinet when charged, also not easily there is electric shock accidents because touching busbar, simultaneously due to the existence of insulator 3, also the situation effectively avoiding conductor two busbars connections to be short-circuited, thus uses more safe and reliable.
In the present embodiment, the first terminals 11 near described main circuit breaker 4 protrude described insulator 3 corresponding end-faces, and described insulator 3 is provided with groove 31 with the first terminals 11 correspondence position away from described main circuit breaker 4; By adopting this structure, when two couplings 6 being connected, being connected (as shown in Figure 3) by the mode of male-female engagement by the first terminals 11, thus main busbar is covered completely, playing the effect of protection, use safer.
As shown in Figure 2, the described insulator 3 in the present embodiment is provided with through vent passages 32, can effectively be shed in time by the heat that busbar produces by arranging vent passages 32, good heat dissipation effect.
Further, the described vent passages 32 in the present embodiment is arranged near described main busbar 1, and arranges in the same way with described main busbar 1.
Obviously, above-described embodiment of the present utility model is only for the utility model example is clearly described, and is not the restriction to execution mode of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all execution modes.And these belong to connotation of the present utility model the apparent change of extending out or variation still belong to protection range of the present utility model.
Claims (4)
1. a safety distribution cabinet, comprises cabinet, is provided with main circuit breaker (4) and branch circuit breaker (5) in described cabinet, it is characterized in that: described main circuit breaker (4) is connected by coupling (6) with described branch circuit breaker (5), described coupling (6) comprises insulator (3), main busbar (1), the left branch busbar (2) be connected with described main busbar (1), the right branch busbar (7) be connected with described main busbar (1), described main busbar (1), described left branch busbar (2) and described right branch busbar (7) are encapsulated in described insulator (3), described main busbar (1) runs through described insulator (3) along first direction, on it, two first terminals (11) are exposed to described insulator (3) outside, first terminals (11) is connected with the leading-out terminal of described main circuit breaker (4), second terminals (21) of described left branch busbar (2) extend to described insulator (3) outside left along the second direction vertical with described first direction, described second terminals (21) are connected with the described branch circuit breaker (5) being positioned at described coupling (6) left side, 3rd terminals (71) of described right branch busbar (7) extend to described insulator (3) outside to the right along the second direction vertical with described first direction, and described 3rd terminals (71) are connected with the described branch circuit breaker (5) being positioned at described coupling (6) right side.
2. safety distribution cabinet according to claim 1, it is characterized in that: the first terminals (11) near described main circuit breaker (4) protrude described insulator (3) corresponding end-faces, described insulator (3) is provided with groove (31) with the first terminals (11) correspondence position away from described main circuit breaker (4).
3. safety distribution cabinet according to claim 1 and 2, is characterized in that: described insulator (3) is provided with through vent passages (32).
4. safety distribution cabinet according to claim 3, is characterized in that: described vent passages (32) is arranged near described main busbar (1), and arranges in the same way with described main busbar (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420696092.7U CN204144692U (en) | 2014-11-19 | 2014-11-19 | Safety distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420696092.7U CN204144692U (en) | 2014-11-19 | 2014-11-19 | Safety distribution cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204144692U true CN204144692U (en) | 2015-02-04 |
Family
ID=52421357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420696092.7U Active CN204144692U (en) | 2014-11-19 | 2014-11-19 | Safety distribution cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204144692U (en) |
-
2014
- 2014-11-19 CN CN201420696092.7U patent/CN204144692U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |