CN214280678U - Novel low-voltage switch cabinet meeting arcing requirement - Google Patents
Novel low-voltage switch cabinet meeting arcing requirement Download PDFInfo
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- CN214280678U CN214280678U CN202022913469.8U CN202022913469U CN214280678U CN 214280678 U CN214280678 U CN 214280678U CN 202022913469 U CN202022913469 U CN 202022913469U CN 214280678 U CN214280678 U CN 214280678U
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Abstract
The utility model relates to a novel satisfy low-voltage switchgear that arcing required, adopt metal partition and insulation board to cut apart into a plurality of parts with the cabinet body and the drawer body, the inside and outside preparation of functional unit compartment forms independent arcing pressure release passageway, guarantees that the arcing time shortens, and the anti inside arcing duration of extension leaks the gland and opens to the cabinet front side during the pressure release simultaneously, can avoid spun hot gas and scorching hot particle to cause the injury to the personnel again. The utility model discloses reserve the discharge passage of hot gas and scorching heat particle in accidents such as short circuit, be difficult for causing the normal operating of adjacent compartment and adjacent cubical switchboard, avoid the accident to enlarge.
Description
Technical Field
The utility model relates to a low-voltage switchgear field, in particular to novel low-voltage switchgear that satisfies arcing requirement.
Background
With the rapid development of industrial automation and intellectualization, the complexity of industrial electricity utilization is increasing day by day, the reliability is more and more concerned by electricity utilization customers, drawer type low-voltage power distribution cabinets are also accepted by markets and customers, the type of switch cabinet is divided into a plurality of compartments by utilizing partition plates, such as a bus compartment, a cable compartment, a functional unit compartment and the like, a metal partition plate or a flame-retardant engineering plastic part is added between the compartments, and a top cover is made of an aluminum-coated zinc plate.
However, the drawer type switch cabinet has a compact design and a large number of functional units, which requires an accident to occur in a certain functional unit compartment, such as: the short circuit between the flashover of the switching element and the inlet side of the unit compartment caused by a fault is ensured by taking the heat effect of the arc or the arc root on the shell into consideration, namely the normal operation of the adjacent compartment and the adjacent switch cabinet cannot be influenced, and the uninterrupted power supply of the load and the safety of field personnel are ensured.
Disclosure of Invention
In order to solve the technical problem, the utility model provides a novel low pressure that satisfies the arcing requirement hang cabinet open, its technical scheme is:
the cabinet body of the low-voltage switch cabinet is integrally divided into an upper part and a lower part which are separated by a metal clapboard, and a pressure relief hole is arranged at the rear metal clapboard; a cross beam is arranged between the upper part and the lower part of the rear part of the cabinet body, a rear door vertical beam is arranged between the cross beam and the bottom of the cabinet body, and a plurality of rear door lock brackets are fixedly arranged on the rear door vertical beam;
an insulating plate is fixedly arranged on the upper part of the cabinet body along the width direction of the cabinet body, and a pressure relief hole is arranged behind the insulating plate;
the lower part of the cabinet body is divided into a bus compartment, a functional unit compartment and a cable chamber according to functions, the bus compartment is arranged at the rear part of the cabinet body, the functional unit compartment is arranged at the left side of the front part of the cabinet, the cable compartment is arranged at the right side of the front part of the cabinet, the bus compartment, the cable compartment and the functional unit compartment are separated by a partition plate, incoming lines and emerging holes are arranged on the partition plate, the cable compartment and the functional unit compartment are separated by the partition plate, a plurality of through holes which are arranged at equal intervals are arranged on the partition plate, and at least one movable drawer body is arranged on the functional unit compartment;
the drawer body is by bottom plate, perpendicular drawer front bezel and the drawer back plate that sets up around the bottom plate to and the both sides wall of perpendicular setting on this bottom plate forms an accommodation space, the drawer body will by the baffle the accommodation space separates into three relatively independent first space, second space and third space in front, middle and back, and the third space middle part is cut apart into left and right sides two parts through the insulation board.
Furthermore, a top cover is arranged at the top of the cabinet body and is divided into a pressure relief cover and a top plate, the pressure relief cover and the top plate are hinged, and a nylon bolt hole fixed with the top of the cabinet body is formed in the pressure relief cover; the top of the cabinet body is provided with an insulating plate mounting beam and a top cover bracket, the insulating plate mounting beam is provided with an insulating plate to divide the upper part of the cabinet body into a front part and a rear part, the top cover bracket is fixed with a door lock bracket, and a nylon bolt hole corresponds to the door lock bracket and is used for mounting a rivet-pulling door lock; and a rivet door lock is arranged on the rear door lock bracket.
Furthermore, four hangers and hanger oblong holes corresponding to the hangers are arranged on the top cover and the periphery of the top of the cabinet body and used for fixing the top cover and the cabinet body.
Furthermore, the partition board between the first space and the second space is divided into a left drawer front partition board and a right drawer front partition board, the left drawer front partition board and the right drawer front partition board are arranged on the same horizontal line, and two insulation boards are fixedly arranged at the left drawer front partition board and the right rear part of the drawer front partition board; and insulating plates are fixedly arranged on two side walls of the third space.
Furthermore, the first space, the second space and the third space are provided with an incoming line, an outgoing line, a control panel and a molded case circuit breaker.
Furthermore, a ventilation cover plate is arranged on the top plate.
The utility model has the advantages that: the utility model relates to a novel satisfy low-voltage switchgear that arcing required, adopt metal partition and insulation board to cut apart into a plurality of parts with the cabinet body and the drawer body, the inside and outside preparation of functional unit compartment forms independent arcing pressure release passageway, guarantees that the arcing time shortens, and the anti inside arcing duration of extension leaks the gland and opens to the cabinet front side during the pressure release simultaneously, can avoid spun hot gas and scorching hot particle to cause the injury to the personnel again. The utility model discloses reserve the discharge passage of hot gas and scorching heat particle in accidents such as short circuit, be difficult for causing the normal operating of adjacent compartment and adjacent cubical switchboard, avoid the accident to enlarge.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a side view of FIG. 1;
FIG. 3 is a rear view of FIG. 1;
FIG. 4 is a top view of FIG. 1;
FIG. 5 is a schematic view of the top cover structure;
FIG. 6 is a schematic view I of the structure of the case;
FIG. 7 is a schematic view II of the structure of the case;
FIG. 8 is a top view of the housing;
as shown in the figure, 1 cabinet body, 2 back door vertical beams, 3 baffles, 4 crossbeams, 5 back baffles, 6 top cover supports, 7 insulation board supports I, 8 bus-bar room cabinet partition boards, 9 insulation board supports II, 10 door lock supports, 11 top boards, 12 ventilation cover boards, 13 pressure relief covers, 14 bolts, 15 slotted holes, 16 hangers, 17 drawer insulation boards, 18 drawer front baffles on the left, 19 drawer front baffles on the right, 20 drawer insulation board supports, 21 drawer back boards, 22 insulation board mounting beams.
Detailed Description
As shown in the figures, the utility model relates to a novel low-voltage switch cabinet meeting arcing requirements, which utilizes the existing cabinet body structure to form an independent arcing pressure relief channel inside and outside a functional unit compartment, the whole low-voltage switch cabinet body 1 is divided into an upper part and a lower part, the upper part and the lower part are separated by a metal partition plate, a pressure relief hole is arranged at the rear metal partition plate, an insulation plate is fixedly arranged at the upper part of the cabinet body according to the width direction of the cabinet body, and the pressure relief hole is arranged behind the insulation plate; be equipped with crossbeam 4 between the upper and lower two parts of cabinet body rear portion, be equipped with back door between crossbeam and the cabinet body bottom and erect roof beam 2, a plurality of back door lock supports of fixed mounting 10 on the back door erects the roof beam, the door lock is riveted to back door lock shelf location pull, the utility model discloses a five pull rivet locks, and the equidistance distributes.
The lower part of the cabinet body is divided into a bus compartment, a functional unit compartment and a cable chamber according to functions, the bus compartment is arranged at the rear part of the cabinet body, the functional unit compartment is arranged on the left side of the front part of the cabinet, the cable compartment is arranged on the right side of the front part of the cabinet, the bus compartment, the cable compartment and the functional unit compartment are separated by a partition plate 3, a wire inlet hole and a hole are formed in the partition plate, the partition plate is an insulating plate with the thickness of 10mm, and a metal partition plate with a pressure relief hole is arranged on the right side of the rear part of the functional unit compartment; the cable compartment and the functional unit compartment are separated by a partition board, and the partition board is provided with a plurality of through holes which are arranged at equal intervals and used for heat dissipation; at least one movable drawer body is arranged on the functional unit compartment;
the drawer body is by bottom plate, perpendicular drawer front bezel and the drawer back plate 21 that sets up around the bottom plate to and the both sides wall of perpendicular setting on this bottom plate forms an accommodation space, the drawer body will by the baffle the accommodation space separates into preceding three relatively independent first space, second space and third space back, and the third space middle part is cut apart into left and right sides two parts through drawer insulation board 17, and this drawer insulation board fixed mounting is on drawer insulation board support 20. The partition board between the first space and the second space is divided into a left drawer front partition board 18 and a right drawer front partition board 19, the left drawer front partition board and the right drawer front partition board are arranged on the same horizontal line, and two drawer insulation boards 17 are fixedly arranged at the left drawer front partition board and the right rear part of the drawer front partition board; and drawer insulation plates 17 are fixedly arranged on two side walls of the third space, and an incoming line, an outgoing line, a control panel and a molded case circuit breaker are respectively arranged in the first space, the second space and the third space.
Furthermore, a top cover is arranged at the top of the cabinet body and is divided into a pressure relief cover 13 and a top plate 11, the pressure relief cover and the top plate are hinged, nylon bolt holes fixed with the top of the cabinet body are formed in the pressure relief cover, and bolts 14 are installed at the nylon bolt holes to relatively fix the pressure relief cover and the cabinet body; the top of the cabinet body is provided with an insulating board mounting beam 22 and a top cover bracket 6, the insulating board mounting beam is provided with an insulating board to divide the upper part of the cabinet body into a front part and a rear part, the bottom of the rear part is provided with a rear partition board 5, the insulating board is mounted on an insulating board bracket I7, and the insulating board bracket I is transversely arranged along the width direction of the cabinet body; in the bus compartment, a bus compartment partition plate 8 is added, and the notch faces outwards. Insulation board supports II9 are fixedly installed on two sides of the upper portion of the cabinet body, a door lock support is fixed on the top cover support, and the nylon bolt holes correspond to the door lock support and are used for installing the rivet door lock. Four hangers 16 and hanger slotted holes 15 corresponding to the hangers are arranged on the top of the top cover and the cabinet body and used for fixing the top cover and the cabinet body, and a ventilation cover plate 12 is arranged on the top plate and provided with ventilation holes used for heat dissipation.
The utility model relates to a novel satisfy low-voltage switchgear that arcing required, adopt metal partition and insulation board to cut apart into a plurality of parts with the cabinet body and the drawer body, the inside and outside preparation of functional unit compartment forms independent arcing pressure release passageway, guarantees that the arcing time shortens, and the anti inside arcing duration of extension leaks the gland and opens to the cabinet front side during the pressure release simultaneously, can avoid spun hot gas and scorching hot particle to cause the injury to the personnel again. The utility model discloses reserve the discharge passage of hot gas and scorching heat particle in accidents such as short circuit, be difficult for causing the normal operating of adjacent compartment and adjacent cubical switchboard, avoid the accident to enlarge.
The above examples are intended to illustrate the invention only and are not intended to limit the scope of the invention. After reading the technical disclosure of the present invention, one skilled in the art can make various changes, modifications or variations to the present invention, and all such equivalents fall within the scope of the present invention as defined by the appended claims.
Claims (6)
1. A novel low-voltage switch cabinet meeting arcing requirements is characterized in that a cabinet body of the low-voltage switch cabinet is integrally divided into an upper part and a lower part, the upper part and the lower part are separated by a metal partition plate, and a pressure relief hole is formed in the rear metal partition plate; a cross beam is arranged between the upper part and the lower part of the rear part of the cabinet body, a rear door vertical beam is arranged between the cross beam and the bottom of the cabinet body, and a plurality of rear door lock brackets are fixedly arranged on the rear door vertical beam;
an insulating plate is fixedly arranged on the upper part of the cabinet body along the width direction of the cabinet body, and a pressure relief hole is arranged behind the insulating plate;
the lower part of the cabinet body is divided into a bus compartment, a functional unit compartment and a cable chamber according to functions, the bus compartment is arranged at the rear part of the cabinet body, the functional unit compartment is arranged at the left side of the front part of the cabinet, the cable compartment is arranged at the right side of the front part of the cabinet, the bus compartment, the cable compartment and the functional unit compartment are separated by a partition plate, incoming lines and emerging holes are arranged on the partition plate, the cable compartment and the functional unit compartment are separated by the partition plate, a plurality of through holes which are arranged at equal intervals are arranged on the partition plate, and at least one movable drawer body is arranged on the functional unit compartment;
the drawer body is by bottom plate, perpendicular drawer front bezel and the drawer back plate that sets up around the bottom plate to and the both sides wall of perpendicular setting on this bottom plate forms an accommodation space, the drawer body will by the baffle the accommodation space separates into three relatively independent first space, second space and third space in front, middle and back, and the third space middle part is cut apart into left and right sides two parts through the insulation board.
2. The novel low-voltage switch cabinet meeting the arcing requirement as claimed in claim 1, wherein a top cover is arranged at the top of the cabinet body, the top cover is divided into a pressure relief cover and a top plate, the pressure relief cover is hinged with the top plate, and a nylon bolt hole fixed with the top of the cabinet body is formed in the pressure relief cover; the top of the cabinet body is provided with an insulating plate mounting beam and a top cover bracket, the insulating plate mounting beam is provided with an insulating plate to divide the upper part of the cabinet body into a front part and a rear part, the top cover bracket is fixed with a door lock bracket, and a nylon bolt hole corresponds to the door lock bracket and is used for mounting a rivet-pulling door lock; and a rivet door lock is arranged on the rear door lock bracket.
3. The novel low-voltage switch cabinet meeting the arcing requirement as claimed in claim 2, wherein four hangers and hanger slotted holes corresponding to the hangers are arranged on the top cover and the top of the cabinet body at the periphery for fixing the top cover and the cabinet body.
4. The novel low-voltage switch cabinet meeting the arcing requirement of claim 1, wherein a partition between the first space and the second space is divided into a left drawer front partition and a right drawer front partition, the left drawer front partition and the right drawer front partition are installed on the same horizontal line, and two insulating plates are fixedly installed at the left drawer front partition and the right rear part of the drawer front partition; and insulating plates are fixedly arranged on two side walls of the third space.
5. The novel low-voltage switch cabinet meeting the arcing requirement of claim 4, wherein an incoming line, an outgoing line, a control panel and a molded case circuit breaker are respectively installed in the first space, the second space and the third space.
6. The novel low-voltage switch cabinet meeting the arcing requirement as claimed in claim 2, wherein a ventilation cover plate is arranged on the top plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022913469.8U CN214280678U (en) | 2020-12-07 | 2020-12-07 | Novel low-voltage switch cabinet meeting arcing requirement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022913469.8U CN214280678U (en) | 2020-12-07 | 2020-12-07 | Novel low-voltage switch cabinet meeting arcing requirement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214280678U true CN214280678U (en) | 2021-09-24 |
Family
ID=77779278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022913469.8U Active CN214280678U (en) | 2020-12-07 | 2020-12-07 | Novel low-voltage switch cabinet meeting arcing requirement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214280678U (en) |
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2020
- 2020-12-07 CN CN202022913469.8U patent/CN214280678U/en active Active
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