CN214626024U - Heat dissipation air duct structure for low-voltage power distribution cabinet - Google Patents
Heat dissipation air duct structure for low-voltage power distribution cabinet Download PDFInfo
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- CN214626024U CN214626024U CN202120798767.9U CN202120798767U CN214626024U CN 214626024 U CN214626024 U CN 214626024U CN 202120798767 U CN202120798767 U CN 202120798767U CN 214626024 U CN214626024 U CN 214626024U
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Abstract
The utility model relates to a low-voltage distribution cabinet is with heat dissipation wind channel structure belongs to low-voltage distribution equipment technical field. The technical scheme is as follows: converter body (1) top in the low-voltage distribution cabinet sets up frequency conversion air-collecting cover (2), enclose into ventiduct (3) through the baffle between frequency conversion air-collecting cover (2) top and through-hole (17) of cabinet top lamina tecti (4), set up axial fan (8) in frequency conversion air-collecting cover (2), cabinet top lamina tecti (4) top sets up cabinet top draft hood (6), through-hole (17) and ventiduct (3) intercommunication of cabinet top lamina tecti (4) are passed through to cabinet top draft hood (6), the side of cabinet top draft hood sets up ventilation louvre (5). The utility model directly discharges hot air out of the low-voltage power distribution cabinet through the top ventilation hood of the cabinet through the axial flow fan and the hot air guide plate, thereby avoiding the circulation of the hot air in the cabinet and effectively reducing the temperature in the cabinet; the installation simple manufacture, the radiating effect is obvious, has both improved equipment efficiency, has satisfied the production technology requirement again.
Description
Technical Field
The utility model relates to a low-voltage distribution cabinet is with heat dissipation wind channel structure is applicable to the preparation and has the low-voltage distribution cabinet that the heat dissipation required, belongs to low-voltage distribution equipment technical field.
Background
Along with the development of economy, high-power equipment is more and more widely used, and a low-voltage power distribution cabinet which is correspondingly matched with field equipment is particularly important, but the heat dissipation problem of heating sources such as soft start and frequency conversion in the high-power distribution cabinet is a problem which puzzles the industry all the time. Temperature rising in the distribution cabinet, outside the cabinet can not effectively be got rid of to hot-air, not only lead to the fact the harm to components and parts in the cabinet, influence its life, heat gathering is too big moreover, can cause the converter tripping operation stop work, can cause bigger power transmission and distribution accident even. Although the distribution rooms of steel plants, cement plants and the like are all provided with air conditioners for refrigeration, if the hot air in the cabinet cannot be effectively exhausted out of the cabinet, the problem cannot be solved by only relying on the air conditioner. In some sites, even in order to cool the cabinet body, the door plate of the cabinet is opened or detached, so that the hidden danger of electric shock and short circuit is further caused. The technical problem to be solved in the field is to effectively exhaust the hot air of the high heat source device out of the cabinet.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a low-voltage distribution cabinet is with heat dissipation wind channel structure, directly discharge the hot-air outside the low-voltage distribution cabinet through the cabinet top draft hood, avoid the hot-air to circulate in the cabinet, effectively reduce the interior temperature of cabinet; the installation and the manufacture are simple, the heat dissipation effect is obvious, the equipment efficiency is improved, the production process requirement is met, the equipment maintenance and repair cost is greatly reduced, the production stop period is shortened, and the technical problems in the prior art are solved.
The technical scheme of the utility model is that:
a heat dissipation air channel structure for a low-voltage power distribution cabinet comprises a frequency converter body, a variable-frequency air collecting cover, an air channel and a cabinet top air cover, wherein the variable-frequency air collecting cover is arranged above the frequency converter body in the low-voltage power distribution cabinet; an axial flow fan is arranged in the variable-frequency air collecting cover, and the body heat dissipation plate is positioned above the axial flow fan; a cabinet top ventilation hood is arranged above the cabinet top cover plate and is communicated with the ventilation channel through a through hole of the cabinet top cover plate, ventilation and heat dissipation holes are formed in the side surface of the cabinet top ventilation hood, and an arc-shaped hot air guide plate is arranged in the cabinet top ventilation hood and is communicated with the through hole of the cabinet top cover plate; the ventilation channel covers a plurality of heat dissipation holes in the body heat dissipation plate.
The air duct is of a cylindrical structure consisting of an air duct front plate, an air duct rear baffle, a left side baffle and a right side baffle, and the bottom of the cylindrical structure is communicated with the variable-frequency air collecting cover through a plurality of heat dissipation holes of the body heat dissipation plate; the top of the cylindrical structure is communicated with the bottom of the cabinet top ventilation hood through a through hole, and a forced heat dissipation channel is formed by the frequency converter body, the axial flow fan, the frequency conversion air collecting cover, the ventilation channel, the cabinet top ventilation hood, the hot air guide plate and the ventilation and heat dissipation holes.
The variable-frequency air collecting cover is provided with a fan partition plate, and the axial flow fan is installed on the fan partition plate.
The cross sections of the variable-frequency air collecting cover, the ventilating duct and the cabinet top ventilating hood are rectangular, the ventilating and radiating holes and the through holes are rectangular, and the hot air guide plate is installed on the diagonal line in the cabinet top ventilating hood.
Converter body during operation, axial fan starts, and the produced heat of converter actual work because the air that axial fan brought flows, forms hot-blastly, and hot-blastly through axial fan, through the louvre of body heating panel, the gathering in the ventiduct, hot-blastly constantly gathers, and axial fan lasts work, and hot-blastly can pass through the through-hole of cabinet top lamina tecti, along the direction motion of hot-blast deflector, finally the ventilation louvre through cabinet top draft hood lasts outside discharging low-voltage distribution cabinet.
The utility model has the advantages that: hot air is directly exhausted out of the low-voltage power distribution cabinet through the cabinet top ventilation hood through the axial flow fan and the hot air guide plate, so that the hot air is prevented from circulating in the cabinet, and the temperature in the cabinet is effectively reduced; the installation and the manufacture are simple, the heat dissipation effect is obvious, the equipment efficiency is improved, the production process requirement is met, the equipment maintenance and repair cost is greatly reduced, and the production stop period is also reduced.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic cross-sectional view of the heat dissipation air duct;
in the figure: the air conditioner comprises a frequency converter body 1, a frequency conversion air collecting cover 2, an air duct 3, a cabinet top cover plate 4, ventilation and heat dissipation holes 5, a cabinet top air duct 6, a fan partition plate 7, an axial flow fan 8, a body heat dissipation plate 9, an air duct rear baffle plate 10, a hot air guide plate 11, a hot air flow direction 12, a frame vertical beam 13, a cross beam 14, a small beam 15, an air duct front plate 16 and through holes 17.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
A heat dissipation air duct structure for a low-voltage power distribution cabinet comprises a frequency converter body 1, a variable-frequency air collecting cover 2, an air duct 3 and a cabinet top air cover 6, wherein the variable-frequency air collecting cover 2 is arranged above the frequency converter body 1 in the low-voltage power distribution cabinet, a through hole 17 is formed in a cabinet top cover plate 4 of the low-voltage power distribution cabinet, the air duct 3 is enclosed by a baffle between the upper part of the variable-frequency air collecting cover 2 and the through hole 17 of the cabinet top cover plate 4, a body heat dissipation plate 9 is arranged between the air duct 3 and the variable-frequency air collecting cover 2, a plurality of heat dissipation holes are formed in the body heat dissipation plate 9, and the air duct 3 is communicated with the variable-frequency air collecting cover 2 through the plurality of heat dissipation holes in the body heat dissipation plate 9; an axial flow fan 8 is arranged in the variable-frequency air collecting cover 2, and a body heat dissipation plate 9 is positioned above the axial flow fan 8; a cabinet top ventilating hood 6 is arranged above the cabinet top cover plate 4, the cabinet top ventilating hood 6 is communicated with the ventilating duct 3 through a through hole 17 of the cabinet top cover plate 4, a ventilating and radiating hole 5 is arranged on the side surface of the cabinet top ventilating hood 6, an arc-shaped hot air guide plate 11 is arranged in the cabinet top ventilating hood 6, and the ventilating and radiating hole 5 is communicated with the through hole 17 of the cabinet top cover plate 4; the ventilation duct 3 covers all the heat dissipation holes in the body heat dissipation plate 9.
The air duct 3 is a cylindrical structure consisting of an air duct front plate 16, an air duct rear baffle plate 10 and left and right side baffle plates, and the bottom of the cylindrical structure is communicated with the variable-frequency air collecting cover 2 through a plurality of heat dissipation holes of the body heat dissipation plate 9; the top of the cylindrical structure is communicated with the bottom of the cabinet top ventilation hood 6 through a through hole 17, and a forced heat dissipation channel is formed by the frequency converter body 1, the axial flow fan 8, the frequency conversion air collection hood 2, the ventilation duct 3, the cabinet top ventilation hood 6, the hot air guide plate 11 and the ventilation and heat dissipation holes 5.
The frequency conversion air collecting cover 2 is provided with a fan partition plate 7, and an axial flow fan 8 is arranged on the fan partition plate 7.
The cross sections of the variable-frequency air collecting cover 2, the ventilation duct 3 and the cabinet top ventilation hood 6 are rectangular, the ventilation and heat dissipation holes 5 and the through holes 17 are rectangular, and the hot air guide plate 11 is installed on the diagonal line in the cabinet top ventilation hood 6.
1 during operation of converter body, axial fan 8 starts, the produced heat of converter actual work, because the air that axial fan brought flows, it is hot-blast to form, hot-blast through axial fan 8, through the louvre of body heating panel 9, the gathering in ventiduct 3, hot-blast continuous gathering, axial fan 8 lasts work, hot-blast through-hole 17 that can pass through cabinet top lamina tecti 4, along the direction motion of hot-blast deflector 11, finally 5 continuous discharges outside the low voltage distribution cabinet through the ventilation louvre of cabinet top draft hood 6.
Along with the operation of equipment, the heat that the converter produced, the air that can be flowed along hot-blast direction 12 direction is beaten outside the cabinet constantly, prevents effectively that hot-blast circulation from to in the cabinet. Thereby effectively protecting the devices in the cabinet and ensuring the good operation of equipment such as a frequency converter and the like.
The frame of the low-voltage distribution cabinet comprises frame vertical beams 13, cross beams 14 and small beams 15.
Claims (4)
1. The utility model provides a low-voltage distribution cabinet is with heat dissipation wind channel structure which characterized in that: the frequency conversion air collecting cover comprises a frequency converter body (1), a frequency conversion air collecting cover (2), an air duct (3) and a cabinet top air cover (6), wherein the frequency conversion air collecting cover (2) is arranged above the frequency converter body (1) in a low-voltage power distribution cabinet, a through hole (17) is formed in the cabinet top cover plate (4) of the low-voltage power distribution cabinet, the air duct (3) is enclosed by a baffle between the upper part of the frequency conversion air collecting cover (2) and the through hole (17) of the cabinet top cover plate (4), a body heat dissipation plate (9) is arranged between the air duct (3) and the frequency conversion air collecting cover (2), a plurality of heat dissipation holes are formed in the body heat dissipation plate (9), and the air duct (3) is communicated with the frequency conversion air collecting cover (2) through the plurality of heat dissipation holes in the body heat dissipation plate (9); an axial flow fan (8) is arranged in the variable-frequency air collecting cover (2), and a body heat dissipation plate (9) is positioned above the axial flow fan (8); a cabinet top ventilating hood (6) is arranged above the cabinet top cover plate (4), the cabinet top ventilating hood (6) is communicated with the ventilating duct (3) through a through hole (17) of the cabinet top cover plate (4), a ventilating and radiating hole (5) is arranged on the side surface of the cabinet top ventilating hood (6), an arc-shaped hot air guide plate (11) is arranged in the cabinet top ventilating hood (6), and the ventilating and radiating hole (5) is communicated with the through hole (17) of the cabinet top cover plate (4); the ventilation channel (3) covers a plurality of heat dissipation holes on the body heat dissipation plate (9).
2. The heat dissipation air duct structure for the low-voltage power distribution cabinet according to claim 1, characterized in that: the air duct (3) is of a cylindrical structure consisting of an air duct front plate (16), an air duct rear baffle (10) and a left side baffle and a right side baffle, and the bottom of the cylindrical structure is communicated with the variable-frequency air collecting cover (2) through a plurality of heat dissipation holes of the body heat dissipation plate (9); the top of the cylindrical structure is communicated with the bottom of the cabinet top ventilating hood (6) through a through hole (17), and a forced heat dissipation channel is formed by the frequency converter body (1), the axial flow fan (8), the frequency conversion air collecting cover (2), the ventilating duct (3), the cabinet top ventilating hood (6), the hot air guide plate (11) and the ventilating and radiating holes (5).
3. The structure of claim 1 or 2, wherein the heat dissipation air duct structure for the low-voltage power distribution cabinet comprises: the variable-frequency air collecting cover (2) is provided with a fan partition plate (7), and the axial flow fan (8) is installed on the fan partition plate (7).
4. The structure of claim 1 or 2, wherein the heat dissipation air duct structure for the low-voltage power distribution cabinet comprises: the cross sections of the variable-frequency air collecting cover (2), the ventilation duct (3) and the cabinet top ventilation cover (6) are rectangles, the ventilation and heat dissipation holes (5) and the through holes (17) are rectangles, and the hot air guide plate (11) is installed on the diagonal line in the cabinet top ventilation cover (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120798767.9U CN214626024U (en) | 2021-04-19 | 2021-04-19 | Heat dissipation air duct structure for low-voltage power distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120798767.9U CN214626024U (en) | 2021-04-19 | 2021-04-19 | Heat dissipation air duct structure for low-voltage power distribution cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214626024U true CN214626024U (en) | 2021-11-05 |
Family
ID=78403509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120798767.9U Active CN214626024U (en) | 2021-04-19 | 2021-04-19 | Heat dissipation air duct structure for low-voltage power distribution cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214626024U (en) |
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2021
- 2021-04-19 CN CN202120798767.9U patent/CN214626024U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 063000 south of North Ring Road and east of Yingkou Road, Caofeidian Industrial Zone, Tangshan City, Hebei Province Patentee after: Jinyu Electric (Tangshan) Co.,Ltd. Address before: 063000 south of North Ring Road, west of A5 Road, equipment manufacturing park, Caofeidian Industrial Zone, Tangshan City, Hebei Province, in Huahai wind power plant No.1 Patentee before: TANGSHAN DUNSHI ELECTRIC Co.,Ltd. |
|
| CP03 | Change of name, title or address |