CN220086754U - Positive pressure ventilation type explosion-proof power distribution cabinet - Google Patents
Positive pressure ventilation type explosion-proof power distribution cabinet Download PDFInfo
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- CN220086754U CN220086754U CN202223593921.2U CN202223593921U CN220086754U CN 220086754 U CN220086754 U CN 220086754U CN 202223593921 U CN202223593921 U CN 202223593921U CN 220086754 U CN220086754 U CN 220086754U
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- distribution cabinet
- positive pressure
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- 238000009423 ventilation Methods 0.000 title claims abstract description 36
- 230000017525 heat dissipation Effects 0.000 claims abstract description 11
- 230000000694 effects Effects 0.000 abstract description 8
- 238000004880 explosion Methods 0.000 abstract description 8
- 230000005855 radiation Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 125000003003 spiro group Chemical group 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- -1 light industry Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
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Abstract
The utility model provides a positive pressure ventilation type explosion-proof power distribution cabinet, which relates to the field of power distribution cabinets and comprises: the power distribution cabinet body, power distribution cabinet body internally mounted has electrical component, and the canopy, surface mounting has the malleation air-blower on the power distribution cabinet body, the malleation air-blower is linked together with this inside of power distribution cabinet through malleation air inlet pipeline, the power distribution cabinet body outside is fixed with outer guard plate, outer guard plate has spacing post through buffer spring connection, spacing post side is fixed with the grip block. The utility model solves the problems that the outdoor anti-explosion power distribution cabinet has poor heat dissipation effect, and the assembled heat dissipation fan enables the circulation rate of the inside air and the outside air to be slower, so that the ventilation effect of the anti-explosion power distribution cabinet is poor.
Description
Technical Field
The utility model relates to the field of power distribution cabinets, in particular to a positive pressure ventilation type explosion-proof power distribution cabinet.
Background
The explosion-proof power distribution cabinet is power distribution switching equipment used for petrochemical industry, offshore drilling platform, metallurgy, medicine, light industry, textile, food, biological engineering, aerospace engineering, military facilities and the like, adopts the special explosion-proof cabinet body material, can well protect the voltage of a circuit,
but outdoor explosion-proof switch board self radiating effect is not good, and the circulation rate of the inside and outside air is slower to radiator fan who assembles, leads to the relatively poor problem of explosion-proof switch board ventilation effect.
Disclosure of Invention
In order to overcome the defects existing in the prior art, the positive pressure ventilation type anti-explosion power distribution cabinet is provided at present, so that the problem that the ventilation effect of the anti-explosion power distribution cabinet is poor due to the fact that the circulation rate of internal and external air is low due to the assembled cooling fan is solved.
To achieve the above object, there is provided a positive pressure ventilation type explosion-proof power distribution cabinet, comprising: the power distribution cabinet body is internally provided with an electric element, a rain shelter,
the power distribution cabinet is characterized in that a positive pressure blower is fixed on the upper surface of the power distribution cabinet body and is communicated with the inside of the power distribution cabinet body through a positive pressure air inlet pipeline, an outer protection plate is fixed on the outer side of the power distribution cabinet body and is connected with a limit column through a buffer spring, and a clamping plate is fixed at the side end of the limit column.
Further, the power distribution cabinet body side end welding has the linking board, linking board upper surface spiro union is fixed with outer guard plate, outer guard plate medial surface is provided with the buffer tube post.
Further, a limiting column head is connected in a limiting manner in the buffer column; and the inner wall of the buffer cylinder column is connected with a buffer spring, and the outer protection plate is fixed at the left and right side ends and the rear side end of the power distribution cabinet body in a surrounding mode.
Furthermore, the lower end of the rain shelter is fixed with the upper surface of the power distribution cabinet body through a fixing plate; and the inner side of the fixed plate is fixed with a positive pressure blower, and the surface of the fixed plate is provided with a heat radiation hole.
Further, the left end of the fixed plate is welded with a filter box, an air inlet net mouth is arranged on the left side wall of the filter box, and the right end of the filter box is connected with an air inlet mouth of the positive pressure air blower through an air outlet.
Further, a first filter plate, a second filter plate and a third filter plate are clamped in the filter box; and the first filter plate, the second filter plate and the third filter plate are sequentially inserted and fixed from left to right.
Further, positive pressure ventilation structure of switch board body is constituteed to malleation air-blower and malleation air inlet pipeline, grip block side laminating is on the lateral wall about the switch board body.
The positive pressure ventilation type explosion-proof power distribution cabinet has the beneficial effects that external wind is conveyed to the inside of the explosion-proof power distribution cabinet through the positive pressure air inlet pipeline by utilizing the positive pressure air blower, so that the air pressure in the explosion-proof power distribution cabinet is higher than the outdoor air pressure, the positive pressure ventilation performance of the explosion-proof power distribution cabinet is realized, the ventilation and heat dissipation efficiency of the explosion-proof power distribution cabinet is conveniently enhanced, the heat in the explosion-proof power distribution cabinet is conveniently and rapidly discharged from a heat dissipation port, the clamping plate is fixed on the outer side of the explosion-proof power distribution cabinet through the outer protection plate, the clamping plate is supported at the side end of the explosion-proof power distribution cabinet in a buffering mode, and the impact force of internal explosion of the explosion-proof power distribution cabinet is conveniently buffered, so that the deformation of a shell of the explosion-proof power distribution cabinet is avoided.
Drawings
Fig. 1 is a schematic front view of a positive pressure ventilation type explosion-proof power distribution cabinet according to an embodiment of the utility model.
Fig. 2 is a schematic diagram of a front view partial cross-section structure of a positive pressure ventilation type explosion-proof power distribution cabinet according to an embodiment of the utility model.
Fig. 3 is a schematic cross-sectional view of a filter box according to an embodiment of the utility model.
Fig. 4 is a schematic view showing a partial sectional structure of an outer shield according to an embodiment of the present utility model.
In the figure: 1. a power distribution cabinet body; 11. a splice plate; 2. a filter box; 21. an air inlet net mouth; 22. a first filter plate; 23. a second filter plate; 24. a third filter plate; 25. an air outlet; 3. rain shelter; 31. a fixing plate; 32. a heat radiation hole; 4. an outer shield; 41. a clamping plate; 42. a limit column; 43. a buffer spring; 44. a buffer cylinder column; 5. a positive pressure blower; 51. positive pressure air intake pipeline.
Detailed Description
Other advantages and effects of the present utility model will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present utility model with reference to specific examples. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model.
Referring to fig. 1 to 4, the present utility model provides a positive pressure ventilation type explosion-proof power distribution cabinet, comprising: the power distribution cabinet body 1, the inside of the power distribution cabinet body 1 is provided with electric elements, a rain shelter 3,
the upper surface of the power distribution cabinet body 1 is fixedly provided with a positive pressure blower 5, the positive pressure blower 5 is communicated with the inside of the power distribution cabinet body 1 through a positive pressure air inlet pipeline 51, the outer side of the power distribution cabinet body 1 is fixedly provided with an outer protection plate 4, the outer protection plate 4 is connected with a limit column 42 through a buffer spring 43, and the side end of the limit column 42 is fixedly provided with a clamping plate 41.
When in use, when the temperature sensor fixed in the power distribution cabinet body 1 detects that the internal temperature is higher, the positive pressure blower 5 is started, so that the external air is conveyed to the inside of the power distribution cabinet body 1, the internal air pressure of the power distribution cabinet body 1 is increased and higher than the external air pressure, the internal air and the external air circulate rapidly, the effects of rapid heat dissipation and ventilation are achieved, and the ventilation and heat dissipation efficiency of the explosion-proof power distribution cabinet is conveniently enhanced.
In this embodiment, the welding of switch board body 1 side has link plate 11, and link plate 11 upper surface spiro union is fixed with outer guard plate 4, and outer guard plate 4 medial surface is provided with buffer cylinder post 44.
As a preferred embodiment, the outer protection plate 4 is used to function as an external explosion protection. The buffer cylinder 44 is used for moving the buffer clamping plate 41, so that the clamping plate 41 can resist explosion deformation of the power distribution cabinet body 1.
In the embodiment, a limiting column 42 column head is in limiting connection with the inside of the buffer column 44; and the inner wall of the buffer cylinder column 44 is connected with the buffer spring 43, and the outer protection plate 4 is fixed at the left and right side and the rear side end of the power distribution cabinet body 1 in a surrounding manner.
As a preferred embodiment, the buffer spring 43 is in a compressed state, so that the clamping plate 41 is pressed on the side surface of the power distribution cabinet body 1 conveniently, and the impact force of internal explosion of the explosion-proof power distribution cabinet is buffered conveniently.
In the embodiment, the lower end of the rain shelter 3 is fixed with the upper surface of the power distribution cabinet body 1 through a fixing plate 31; and the inner side of the fixed plate 31 is fixed with a positive pressure blower 5, and the surface of the fixed plate 31 is provided with a heat radiation hole 32.
As a preferred embodiment, the positive pressure blower 5 conveys outside air into the power distribution cabinet body 1, so that the positive pressure ventilation performance of the explosion-proof power distribution cabinet is realized, and the ventilation efficiency of the explosion-proof power distribution cabinet is accelerated.
In this embodiment, the left end of the fixing plate 31 is welded with a filter box 2, the left side wall of the filter box 2 is provided with an air inlet net mouth 21, and the right side end of the filter box 2 is connected with the air inlet of the positive pressure blower 5 through an air outlet 25.
As a preferred embodiment, the filter box 2 is used for filtering the gas entering the power distribution cabinet body 1, so as to prevent dust from entering the power distribution cabinet body 1 and from accumulating on the surface of the electrical components in the power distribution cabinet body 1.
In the embodiment, a first filter plate 22, a second filter plate 23 and a third filter plate 24 are clamped in the filter box 2; and the first filter plate 22, the second filter plate 23 and the third filter plate 24 are fixed in a plugging manner from left to right in sequence.
As a preferred embodiment, the first filter plate 22, the second filter plate 23 and the third filter plate 24 perform three-layer filtration to air entering the explosion-proof power distribution cabinet, so that dust is prevented from being conveyed to the inside of the explosion-proof power distribution cabinet.
In this embodiment, the positive pressure blower 5 and the positive pressure air intake duct 51 form a positive pressure ventilation structure of the power distribution cabinet body 1, and the side surfaces of the clamping plates 41 are attached to the left and right side walls of the power distribution cabinet body 1.
As a preferred embodiment, the positive pressure ventilation structure of the power distribution cabinet body 1 is convenient for enhancing the ventilation and heat dissipation efficiency of the explosion-proof power distribution cabinet, and facilitating the rapid discharge of heat in the explosion-proof power distribution cabinet from the heat dissipation port.
The positive pressure ventilation type explosion-proof power distribution cabinet can effectively solve the problem of poor ventilation effect of the explosion-proof power distribution cabinet, achieves positive pressure ventilation performance of the explosion-proof power distribution cabinet, is convenient for enhancing ventilation and heat dissipation efficiency of the explosion-proof power distribution cabinet, is convenient for heat in the explosion-proof power distribution cabinet to be rapidly discharged from a heat dissipation port, and is suitable for the positive pressure ventilation type explosion-proof power distribution cabinet.
Claims (7)
1. A positive pressure ventilation type explosion-proof power distribution cabinet, comprising: switch board body (1), switch board body (1) internally mounted has electrical component, and canopy (3), its characterized in that:
the power distribution cabinet is characterized in that a positive pressure air blower (5) is fixed on the upper surface of the power distribution cabinet body (1), the positive pressure air blower (5) is communicated with the inside of the power distribution cabinet body (1) through a positive pressure air inlet pipeline (51), an outer protection plate (4) is fixed on the outer side of the power distribution cabinet body (1), a limit column (42) is connected to the outer protection plate (4) through a buffer spring (43), and a clamping plate (41) is fixed at the side end of the limit column (42).
2. The positive pressure ventilation type explosion-proof power distribution cabinet according to claim 1, wherein a connecting plate (11) is welded at the side end of the power distribution cabinet body (1), an outer protection plate (4) is fixedly connected to the upper surface of the connecting plate (11) in a threaded mode, and a buffer cylinder column (44) is arranged on the inner side face of the outer protection plate (4).
3. The positive pressure ventilation type explosion-proof power distribution cabinet according to claim 2, wherein a limiting column (42) column head is connected in a limiting manner inside the buffer cylinder column (44); and the inner wall of the buffer cylinder column (44) is connected with a buffer spring (43), and the outer protection plate (4) is fixed at the left and right side ends and the rear side end of the power distribution cabinet body (1) in a surrounding mode.
4. The positive pressure ventilation type explosion-proof power distribution cabinet according to claim 1, wherein the lower end of the rain shelter (3) is fixed with the upper surface of the power distribution cabinet body (1) through a fixing plate (31); and positive pressure air blower (5) is fixed on the inner side of the fixed plate (31), and heat dissipation holes (32) are formed in the surface of the fixed plate (31).
5. The positive pressure ventilation type explosion-proof power distribution cabinet according to claim 4, wherein a filter box (2) is welded at the left end of the fixing plate (31), an air inlet net opening (21) is formed in the left side wall of the filter box (2), and the right end of the filter box (2) is connected with an air inlet opening of the positive pressure air blower (5) through an air outlet (25).
6. The positive pressure ventilation type explosion-proof power distribution cabinet according to claim 5, wherein a first filter plate (22), a second filter plate (23) and a third filter plate (24) are clamped inside the filter box (2); the first filter plate (22), the second filter plate (23) and the third filter plate (24) are sequentially inserted and fixed from left to right.
7. The positive pressure ventilation type explosion-proof power distribution cabinet according to claim 1, wherein the positive pressure air blower (5) and the positive pressure air inlet pipeline (51) form a positive pressure ventilation structure of the power distribution cabinet body (1), and the side surfaces of the clamping plates (41) are attached to the left side wall and the right side wall of the power distribution cabinet body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223593921.2U CN220086754U (en) | 2022-12-30 | 2022-12-30 | Positive pressure ventilation type explosion-proof power distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223593921.2U CN220086754U (en) | 2022-12-30 | 2022-12-30 | Positive pressure ventilation type explosion-proof power distribution cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220086754U true CN220086754U (en) | 2023-11-24 |
Family
ID=88813718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223593921.2U Active CN220086754U (en) | 2022-12-30 | 2022-12-30 | Positive pressure ventilation type explosion-proof power distribution cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220086754U (en) |
-
2022
- 2022-12-30 CN CN202223593921.2U patent/CN220086754U/en active Active
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