CN216489345U - Low-voltage power distribution cabinet - Google Patents
Low-voltage power distribution cabinet Download PDFInfo
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- CN216489345U CN216489345U CN202123130323.7U CN202123130323U CN216489345U CN 216489345 U CN216489345 U CN 216489345U CN 202123130323 U CN202123130323 U CN 202123130323U CN 216489345 U CN216489345 U CN 216489345U
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Abstract
The invention provides a low-voltage power distribution cabinet which consists of an incoming line cabinet, a feeder line cabinet and a connection cabinet and comprises a circuit breaker in a cabinet body and a branch bus connected with an incoming line end of the circuit breaker. The branch buses are vertically or horizontally arranged, and a heat dissipation channel which is favorable for heat dissipation is arranged between every two adjacent buses. The low-voltage power distribution cabinet can save the consumption of consumables and reduce the resistance and power consumption of a loop.
Description
Technical Field
The invention relates to the field of low-voltage power distribution, in particular to a low-voltage power distribution cabinet.
Background
Among low-voltage switchgear and the controlgear, because the continuous increase of distribution capacity, need install several circuit breakers in the switch board of a lot of occasions and distribute the power, the distribution generating line connected mode in the switch board is changeable, and the kind mode is numerous and diverse, and female the arranging cost that accounts for whole cupboard of arranging in the switch board has reached more than 50%.
At present, the interior generating line of connecting the main bus of mainstream low-voltage distribution cabinet, the generating line of connecting the circuit breaker and middle various connection transition generating lines, the connection principle who follows basically is "violently flat vertical", connects beautifully, and fixed mode is simple, and such connection leads to the consumptive material great, uneconomic, and cupboard weight increase, and return circuit resistance increases, leads to the temperature rise too high to the reliability of switch board has been reduced.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the defects of the prior art and provides a novel low-voltage power distribution cabinet, so that the consumption of consumables is saved, the loop resistance and the power consumption are greatly reduced, and the reliability of complete operation is improved.
In order to realize the purpose, the following technical scheme is adopted:
the utility model provides a low-voltage distribution cabinet, includes inlet wire cabinet, feeder cabinet and contact cabinet, including setting up the circuit breaker in the cabinet body and the branch bus that links to each other with the inlet wire end of circuit breaker.
The branch bus bar. And a vertical or horizontal arrangement mode is adopted. A heat dissipation channel which is beneficial to heat dissipation is arranged between the adjacent two-phase buses.
Furthermore, the back and the lower part of the cabinet body are both provided with heat dissipation holes for ventilation. The heat dissipation holes are longitudinally or transversely arranged according to different connection modes of internal buses.
Further, the branch bus comprises a connecting part connected with the circuit breaker and a transition part connected with the main bus. The transition part is in special-shaped connection and is connected with the main bus through a screw.
Furthermore, the heat dissipation holes on the back of the cabinet body are arranged at the upper, middle and lower parts of the back of the cabinet body.
Further, the cabinet body is provided with a top cover plate at the top, and a main bus is arranged below the top cover plate in the cabinet body. The top cover plate comprises a main top cover plate and two auxiliary top cover plates. The main top cover plate comprises two main plate assembling ends which are oppositely arranged. And the two auxiliary top cover plates are correspondingly matched with the two ends of the main top cover plate respectively and are arranged above the two ends of the main bus to shield the two ends of the main bus.
Furthermore, the auxiliary top cover plate is provided with an auxiliary plate first end which is correspondingly coupled with the main plate assembly end. The first end of the auxiliary plate comprises at least one connecting protrusion, and each main plate assembling end is provided with at least one main plate assembling groove. The auxiliary top cover plate is also provided with an auxiliary plate second end, is arranged opposite to the auxiliary plate first end, and is identical to the auxiliary plate first end in structure.
Furthermore, the connecting bulge is arranged in the main board assembling groove, and the middle part of the connecting bulge is provided with a first mounting hole. The bottom in mainboard mounting groove is equipped with the mainboard screw hole, and the fastener links to each other with the mainboard screw hole through first mounting hole. And the fastener is used for fixedly connecting the auxiliary top cover plate and the main top cover plate through the connecting bulge and the main plate assembling groove.
Furthermore, both ends of the first end of the auxiliary plate are provided with second mounting holes, and the fastening piece is connected with the fixed beam of the power distribution cabinet through the second mounting holes.
Drawings
FIG. 1 is a schematic front view of a low-voltage distribution cabinet according to the present invention
FIG. 2 is a schematic diagram of a back structure of a low-voltage distribution cabinet according to the present invention
FIG. 3 is a schematic top view of a low-voltage distribution cabinet according to the present invention
FIG. 4 is a schematic side view of a low-voltage distribution cabinet according to the present invention
Detailed Description
Features and exemplary embodiments of various aspects of the present application will be described in detail below, and in order to make objects, technical solutions and advantages of the present application more apparent, the present application will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are intended to be illustrative only and are not intended to be limiting. It will be apparent to one skilled in the art that the present application may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the present application by illustrating examples thereof.
Description of the labeling:
feeder cabinet 1, incoming line cabinet 2 and contact cabinet 3
An upper breaker compartment 101, an intermediate breaker compartment 102, a lower breaker compartment 103
Heat dissipation holes 4
A vertical bus transition row 5, a main bus 6 and a vertical bus 12
A main bus heat dissipation channel 8 and a vertical bus heat dissipation channel 10
Circuit breaker 9
A main board mounting end 11011 and a main board mounting groove 11012
The first end 11021 of the auxiliary plate, the connecting protrusion 11022, the second end 11023 of the auxiliary plate, and the first mounting hole 11024 are described in detail below with reference to the drawings.
As shown in fig. 1, the low voltage distribution cabinet of the present invention is composed of a power inlet cabinet 2, a power feed cabinet 1 and a communication cabinet 3 which are arranged in parallel. According to the needs of a user power distribution system, the power distribution system can be sequentially arranged according to the incoming line cabinet 2, the feeder line cabinet 1 and the contact cabinet 3 from left to right, and also can be sequentially arranged according to the contact cabinet 3, the feeder line cabinet 1 and the incoming line cabinet 2 from left to right. The number of the feeder cabinets 1 is determined according to the number of the feeder loops, and may be 1 or more. Each cabinet is provided with an upper circuit breaker compartment 101, an intermediate circuit breaker compartment 102, a lower circuit breaker compartment 103 for mounting a circuit breaker 9.
As shown in fig. 2, the back and the lower part of the cabinet body are provided with heat dissipation holes 4 which are beneficial to ventilation; the heat dissipation holes 4 may be arranged longitudinally or transversely according to the internal bus bar connection manner. The heat dissipation holes can be arranged in different modes, and can be arranged at the upper part, the middle part and the lower part in any mode.
As shown in fig. 3 and 4, the main bus bar 6 is horizontally disposed to be perpendicular to each of the vertical bus bar transition rows 5 of each cabinet. And the vertical bus transition row 5 is connected and communicated with the main bus 6 through a bolt through a vertical bus transition part 7. The top of the cabinet body is provided with a top cover plate 11, and the main bus 6 is positioned below the top cover plate 11.
The top cover plate 11 comprises a main top cover plate 1101 and two auxiliary top cover plates 1102, the two auxiliary top cover plates 1102 are correspondingly matched with two ends of the main top cover plate 1101 respectively, and the two auxiliary top cover plates 1102 are arranged above two ends of the main bus 6 so as to shield two ends of the main bus 6.
The auxiliary top cover plate 1102 is provided with an auxiliary plate first end 11021, the main top cover plate 1101 is provided with two main plate assembling ends 11011 which are oppositely arranged, the auxiliary plate first end 11021 is correspondingly matched with the main plate assembling ends 11011, the auxiliary plate first end 11021 comprises at least one connecting protrusion 11022, and each main plate assembling end 11011 is provided with at least one main plate assembling groove 11012; during assembly, the first end 11021 of the auxiliary plate is correspondingly matched with the assembling end 11011 of the main plate, the connecting protrusion 11022 is arranged in the assembling groove 11012 of the main plate, and the fastener fixedly connects the auxiliary top cover plate 1102 with the main top cover plate 1101 through the connecting protrusion 11022 and the assembling groove 11012 of the main plate.
Preferably, the middle of the connecting protrusion 11022 is provided with a first mounting hole 11024, the bottom of the main board assembling groove 11012 is provided with a main board threaded hole, and the fastener is connected with the main board threaded hole through the first mounting hole 11024; the secondary top cover plate 1102 also includes a secondary plate second end 11023, the secondary plate second end 11023 is disposed opposite to the secondary plate first end 11021, and the secondary plate second end 11023 is identical to the secondary plate first end 11021 in structure.
Main bus heat dissipation channels 8 which are horizontally distributed are reserved among the main buses 6, and vertical bus heat dissipation channels 10 which are vertically communicated are reserved among the vertical buses 13. When the low-voltage power distribution cabinet works, cooling air enters the low-voltage power distribution cabinet from the heat dissipation holes 4, sequentially passes through the vertical bus heat dissipation channel 10 and the main bus heat dissipation channel 8, is dissipated from the top cover plate 11, and ventilation and heat dissipation of the breaker 9 and the buses in the cabinet are implemented.
It is noted that, herein, relational terms such as first and second, front and rear, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although the embodiments disclosed in the present application are described above, the descriptions are only for the convenience of understanding the present application and are not intended to limit the present invention. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the disclosure as defined by the appended claims.
As described above, only the specific embodiments of the present application are provided, and it can be clearly understood by those skilled in the art that, for convenience and brevity of description, the corresponding processes in the foregoing method embodiments may be referred to for replacement of the other connection manners described above, and are not described herein again. It should be understood that the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive various equivalent modifications or substitutions within the technical scope of the present application, and these modifications or substitutions should be covered within the scope of the present application.
Claims (8)
1. A low-voltage power distribution cabinet comprises an incoming line cabinet, a feeder line cabinet and a contact cabinet;
the intelligent cabinet comprises a circuit breaker arranged in a cabinet body and a branch bus connected with a wire inlet end of the circuit breaker;
the branch buses are arranged vertically or horizontally;
the bus bar heat dissipation structure is characterized in that a heat dissipation channel which is beneficial to heat dissipation is arranged between two adjacent bus bars.
2. The low-voltage distribution cabinet according to claim 1, wherein heat dissipation holes for ventilation are formed in the back and the lower part of the cabinet body;
the heat dissipation holes are longitudinally or transversely arranged according to different connection modes of internal buses.
3. The low-voltage distribution cabinet according to claim 1, characterized in that said branch bus comprises a connection portion with a circuit breaker and a transition portion connected with a main bus;
the transition part is in special-shaped connection and is connected with the main bus through a screw.
4. The low-voltage power distribution cabinet according to claim 2, wherein the heat dissipation holes in the back of the cabinet body are arranged at the upper, middle and lower parts of the back of the cabinet body.
5. The low-voltage distribution cabinet according to claim 1, wherein a top cover plate is arranged on the top of the cabinet body, and a main bus is arranged below the top cover plate in the cabinet body;
the top cover plate comprises a main top cover plate and two auxiliary top cover plates;
the main top cover plate comprises two main plate assembling ends which are oppositely arranged;
the two auxiliary top cover plates are correspondingly matched with the two ends of the main top cover plate respectively;
and the two auxiliary top cover plates are arranged above two ends of the main bus to shield two ends of the main bus.
6. The low-voltage distribution cabinet according to claim 5, wherein the auxiliary top cover plate is provided with an auxiliary plate first end,
the auxiliary board first end is correspondingly coupled with the main board assembly end;
the first end of the auxiliary board comprises at least one connecting bulge, and each main board assembling end is provided with at least one main board assembling groove;
the auxiliary top cover plate is also provided with an auxiliary plate second end,
and the second end of the auxiliary plate is opposite to the first end of the auxiliary plate and has the same structure as the first end of the auxiliary plate.
7. Low-voltage distribution cabinet according to claim 6, characterized in that: the connecting bulge is arranged in the main board assembling groove;
the middle part of the connecting bulge is provided with a first mounting hole;
the bottom of the main board assembling groove is provided with a main board threaded hole, and the fastener is connected with the main board threaded hole through the first mounting hole;
and the fastener is used for fixedly connecting the auxiliary top cover plate and the main top cover plate through the connecting bulge and the main plate assembling groove.
8. Low-voltage distribution cabinet according to claim 6, characterized in that: and the two ends of the first end of the auxiliary plate are provided with second mounting holes, and the fastening piece is connected with the fixed beam of the power distribution cabinet through the second mounting holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123130323.7U CN216489345U (en) | 2021-12-15 | 2021-12-15 | Low-voltage power distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123130323.7U CN216489345U (en) | 2021-12-15 | 2021-12-15 | Low-voltage power distribution cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216489345U true CN216489345U (en) | 2022-05-10 |
Family
ID=81423459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123130323.7U Active CN216489345U (en) | 2021-12-15 | 2021-12-15 | Low-voltage power distribution cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216489345U (en) |
-
2021
- 2021-12-15 CN CN202123130323.7U patent/CN216489345U/en active Active
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