CN210326692U - Heat dissipation and pressure relief device of large-current switch cabinet - Google Patents
Heat dissipation and pressure relief device of large-current switch cabinet Download PDFInfo
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- CN210326692U CN210326692U CN201921535536.8U CN201921535536U CN210326692U CN 210326692 U CN210326692 U CN 210326692U CN 201921535536 U CN201921535536 U CN 201921535536U CN 210326692 U CN210326692 U CN 210326692U
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- pressure relief
- pressure release
- switch cabinet
- fan
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Abstract
The utility model discloses a heavy current switch cabinet heat dissipation pressure relief device, it is including the pressure release apron, the top mounting panel, the wire net, the bounding wall, a separation plate, mounting plate and switch cabinet top fixed connection, the top mounting panel, the bounding wall, a separation plate, mounting plate constitutes two room structures, the baffle separates into two cavitys with the bounding wall, be the pressure release chamber respectively, the fan chamber, pressure release chamber top is provided with pressure release mouth I, the top mounting panel in fan chamber is provided with the opening, opening encapsulation wire net, the mounting plate in pressure release chamber is provided with pressure release mouth II, fan chamber installation fan, the pressure release apron covers pressure release mouth I, under the normal radiating prerequisite of assurance box, effective pressure release when realizing the trouble, protection cabinet body inner part and cooling fan.
Description
Technical Field
The utility model relates to a cubical switchboard accessory technical field specifically is a heavy current switch cabinet heat dissipation pressure relief device.
Background
The temperature rise test of a high-current cabinet body (such as rated current 4000A) in the KYN28A-12 switch cabinet is a big difficulty, and the main reason is that the temperature in the cabinet is high due to untimely heat dissipation in the switch cabinet. The pressure release lid structure of this kind of cabinet body is one of main influence factor, and the pressure release lid generally sets up side by side at cabinet body top for when taking place the arcing trouble, carry out the pressure release and uncap the protection, do not possess the radiating effect, and radiator fan also is necessary accessory to heavy current switch cabinet, and both loads in mixture, have certain contradiction problem, when breaking down, the radiator fan can be destroyed in the pressure release process, and the pressure release lid if can't in time open, can not in time release pressure, to site personnel, there is very big potential safety hazard in equipment all.
Disclosure of Invention
In order to solve the technical problem, the utility model provides a heavy current switch cabinet heat dissipation pressure relief device can be under the normal radiating prerequisite of assurance box, effective pressure release when realizing the trouble, internal part of protection cabinet and cooling fan.
In order to achieve the purpose of the invention, the technical scheme adopted by the utility model is as follows:
a heat dissipation and pressure relief device of a heavy current switch cabinet comprises a pressure relief cover plate, a top mounting plate, a steel wire mesh, a surrounding plate, a partition plate and a mounting bottom plate, wherein the mounting bottom plate is fixedly connected with a top plate of the switch cabinet, the top mounting plate, the surrounding plate, the partition plate and the mounting bottom plate form a two-chamber structure, the surrounding plate is in a square barrel shape with an upper opening and a lower opening, the height of the partition plate is the same as that of the surrounding plate, two ends of the partition plate are fixedly connected with two opposite edges of the surrounding plate to divide the surrounding plate into two cavities, namely a pressure relief cavity and a fan cavity, the top mounting plate of the pressure relief cavity is fixedly connected with the surrounding plate and the upper edge of the partition plate, the top mounting plate of the pressure relief cavity is provided with a pressure relief opening I, the top mounting plate of the fan cavity is provided with an opening, the opening encapsulates the steel wire mesh, the pressure relief cover plate covers the pressure relief opening I, one end of the pressure relief cover plate is connected with the top mounting plate through a hinge, and the other end of the pressure relief cover plate is connected with the top mounting plate through a nylon bolt.
Further, a ventilation hole II is formed in the surrounding plate of the fan cavity.
The pressure relief cavity is a pressure relief channel, and the sizes of the pressure relief port I and the pressure relief port II are slightly smaller than the area of the pressure relief cavity; the fan cavity is the passageway for the heat dissipation, and fan cavity upper end open-ended area slightly is less than the area in fan cavity, and the wire net passes through this opening of bolt to be connected, opens the dismantled and assembled fan of wire net.
Furthermore, the switch cabinet is internally provided with a guide plate fixedly connected with a mounting bottom plate, the guide plate is a square plate and is vertically arranged and obliquely mounted, the upper end of the guide plate is fixedly connected with the mounting bottom plate at the lower end of the partition plate, and the lower end of the guide plate is inclined towards the direction of the heat dissipation cavity and is used for guiding the air flow with arcing faults to the pressure relief cavity.
The pressure relief cavity and the fan cavity are mainly communicated with the inner cavity of the bus bar room of the switch cabinet.
The ventilation holes I are bridge-shaped holes, and the ventilation holes II are strip-shaped holes, so that heat in the cabinet can be conveniently discharged out of the cabinet.
The pressure relief cover plate, the top mounting plate, the coaming, the clapboard, the mounting base plate and the guide plate are bent and assembled by adopting an aluminum-zinc coated plate, and plastic spraying treatment is not performed; and the rivet nut is pulled on the fan cavity mounting base plate, so that the fan is convenient to mount and dismount.
The utility model has the advantages that:
the heat dissipation and pressure relief device of the high-current switch cabinet adopts a compartment interval mode, wherein one compartment is an exhaust fan compartment, and the other compartment is a pressure relief channel compartment. The exhaust fan compartment is provided with an exhaust fan for timely extracting heat in the cabinet; the pressure relief channel compartment is used for arcing and pressure relief of the cabinet body; the novel pressure relief device component is convenient to process in a workshop and is simple to assemble; the protection grade IP4X can be met; the fan is convenient to mount and dismount, and a special pressure relief channel is arranged, so that the safety of field personnel and equipment is guaranteed.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the top view structure of the present invention.
1-pressure relief cover plate, 2-top mounting plate, 3-steel wire mesh, 4-coaming plate, 5-clapboard, 6-mounting bottom plate, 7-guide plate, 8-nylon bolt and 9-hinge.
Detailed Description
As shown in the attached drawing, the heat dissipation and pressure relief device of the heavy-current switch cabinet comprises a pressure relief cover plate 1, a top mounting plate 2, a steel wire mesh 3, a coaming 4, a baffle plate 5 and a mounting bottom plate 6, wherein the mounting bottom plate 6 is fixedly connected with the top plate of the switch cabinet, the top mounting plate 2, the coaming 4, the baffle plate 5 and the mounting bottom plate 6 form a two-chamber structure, the coaming 4 is in a square barrel shape with an upper opening and a lower opening, the height of the baffle plate 5 is the same as that of the coaming 4, two ends of the baffle plate 5 are fixedly connected with two opposite edges of the coaming 4 to divide the coaming 4 into two cavities, namely a pressure relief cavity and a fan cavity, the top mounting plate 2 is fixedly connected with the upper edges of the coaming 4 and the baffle plate 5, the top mounting plate 2 of the pressure relief cavity is provided with a pressure relief opening I, the top mounting plate 2 of the fan cavity is provided with an opening, the opening encapsulates the, fan cavity installation fan, pressure release apron 1 covers pressure release mouth I, and the one end and the top mounting panel 2 of pressure release apron 1 pass through hinge 9 and are connected, and the pressure release apron 1 other end passes through nylon bolt 8 to be connected with top mounting panel 2, and nylon bolt 8's design can stabilize pressure release apron 1 on the one hand, and simultaneously, when the arcing trouble takes place, its connecting force is little, can be broken by the impact force.
Further, the coaming 4 of the fan cavity is provided with a vent hole II.
The pressure relief cavity is a pressure relief channel, and the sizes of the pressure relief port I and the pressure relief port II are slightly smaller than the area of the pressure relief cavity; the fan cavity is the passageway for the heat dissipation, and fan cavity upper end open-ended area slightly is less than the area in fan cavity, and wire net 3 passes through this opening of bolt to be connected, opens wire net 3 dismantled and assembled fan.
Furthermore, the switch cabinet is internally provided with a guide plate 7 fixedly connected with a mounting bottom plate 6, the guide plate 7 is a square plate and is vertically arranged and obliquely mounted, the upper end of the guide plate is fixedly connected with the mounting bottom plate 6 at the lower end of the partition plate 5, and the lower end of the guide plate inclines towards the direction of the heat dissipation cavity and is used for guiding the air flow with arcing faults to the pressure relief cavity.
The pressure relief cavity and the fan cavity are mainly communicated with the inner cavity of a bus bar room of the switch cabinet; the top plate of the bus bar chamber of the switch cabinet is provided with a hole, and the mounting bottom plate 6 covers the hole and is fixedly connected with the hole.
The ventilation holes I are bridge-shaped holes, and the ventilation holes II are strip-shaped holes, so that heat in the cabinet can be conveniently discharged out of the cabinet.
The pressure relief cover plate 1, the top mounting plate 2, the coaming 4, the clapboard 5, the mounting bottom plate 6 and the guide plate 7 are bent and assembled by adopting an aluminum-zinc coated plate, and plastic spraying treatment is not performed; and the rivet nut is pulled on the fan cavity mounting base plate 6, so that the fan is convenient to mount and dismount.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, without departing from the principles of the present invention, several improvements can be made, and these improvements should also be regarded as the protection scope of the present invention without creative work.
Claims (3)
1. A heat dissipation and pressure relief device of a heavy current switch cabinet is characterized by comprising a pressure relief cover plate, a top mounting plate, a steel wire mesh, a surrounding plate, a partition plate and a mounting bottom plate, wherein the mounting bottom plate is fixedly connected with the top plate of the switch cabinet, the top mounting plate, the surrounding plate, the partition plate and the mounting bottom plate form a two-chamber structure, the surrounding plate is in a square barrel shape with an upper opening and a lower opening, the height of the partition plate is the same as that of the surrounding plate, two ends of the partition plate are fixedly connected with two opposite edges of the surrounding plate to divide the surrounding plate into two cavities, namely a pressure relief cavity and a fan cavity, the top mounting plate of the pressure relief cavity is fixedly connected with the surrounding plate and the upper edge of the partition plate, the top mounting plate of the pressure relief cavity is provided with a pressure relief opening I, the top mounting plate of the fan cavity is provided with an opening, the opening, the fan is installed in the fan cavity, the pressure relief cover plate covers the pressure relief opening I, one end of the pressure relief cover plate is connected with the top mounting plate through a hinge, and the other end of the pressure relief cover plate is connected with the top mounting plate through a nylon bolt.
2. A large current switch cabinet heat dissipation and pressure relief device as claimed in claim 1, wherein the enclosure of the fan cavity is provided with a vent hole II; the ventilation hole I is a bridge-shaped hole, and the ventilation hole II is a strip-shaped hole.
3. A large current switch cabinet heat dissipation and pressure relief device as claimed in claim 1, wherein said switch cabinet is provided therein with a guide plate fixedly connected to the mounting plate, the guide plate is a square plate, and is installed in an inclined manner in a vertical direction, and its upper end is fixedly connected to the mounting plate at the lower end of the partition plate, and its lower end is inclined toward the heat dissipation chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921535536.8U CN210326692U (en) | 2019-09-17 | 2019-09-17 | Heat dissipation and pressure relief device of large-current switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921535536.8U CN210326692U (en) | 2019-09-17 | 2019-09-17 | Heat dissipation and pressure relief device of large-current switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210326692U true CN210326692U (en) | 2020-04-14 |
Family
ID=70132689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921535536.8U Active CN210326692U (en) | 2019-09-17 | 2019-09-17 | Heat dissipation and pressure relief device of large-current switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210326692U (en) |
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2019
- 2019-09-17 CN CN201921535536.8U patent/CN210326692U/en active Active
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