CN219498698U - Air inlet and outlet protective equipment for distribution box - Google Patents
Air inlet and outlet protective equipment for distribution box Download PDFInfo
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- CN219498698U CN219498698U CN202320503894.0U CN202320503894U CN219498698U CN 219498698 U CN219498698 U CN 219498698U CN 202320503894 U CN202320503894 U CN 202320503894U CN 219498698 U CN219498698 U CN 219498698U
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Abstract
The utility model relates to the technical field of distribution equipment, in particular to air inlet and outlet protection equipment for a distribution box, which comprises an air inlet box arranged at an air inlet of the distribution box and an air outlet box arranged at an air outlet of the distribution box, wherein an air inlet hopper and an air supply pipeline which are communicated are sequentially arranged in the air inlet box, and a first insect-proof net cover and an air filter element are sequentially arranged in the air inlet hopper due to an air inlet. The distribution box air inlet and outlet protection equipment can promote the circulation of air flow in the distribution box under the action of the air inlet fan and the air outlet fan, promote the heat exchange between air and electronic elements, improve the heat dissipation effect, and realize the preliminary protection of pests on the whole air inlet and outlet ports by using the first insect-proof net cover and the second insect-proof net cover, thereby avoiding the pests from entering the distribution box; after the air enters along the air inlet hopper, dust in the air is filtered through the air filter element, so that the electronic elements in the distribution box are prevented from being influenced by dust pollutants, and the service life is prolonged.
Description
Technical Field
The utility model relates to the technical field of distribution equipment, in particular to air inlet and outlet protection equipment of a distribution box.
Background
The distribution box is an important component part in an electrical system, is mainly used for conveying electric energy from a transformer substation or a power supply to various outdoor equipment and facilities, and can ensure the normal operation of outdoor equipment. The outdoor distribution box is widely applied to the fields of urban, industrial and mining enterprises, highways, railways, rural power grids and the like.
The block terminal is generally installed outdoors, in order to guarantee the normal operating of block terminal and prolong its life, must do dustproof and insect-proof work. For example, chinese patent No. CN208209325U discloses an intelligent heat dissipating electric box, which facilitates air flow exchange in the electric box through a heat dissipating window and a heat dissipating fan, thereby adjusting the temperature in the electric box.
However, in the long-term use process, because outdoor environment dust and insect pests are more, the heat dissipation port, the ventilation port and the like of the distribution box are easy to be blocked, the distribution box needs to be cleaned regularly, dust accumulation and sundries are not removed in time, the heat dissipation effect of circuit elements is easy to be reduced, overload is easy to be damaged, and short circuit is easy to cause fire disaster.
Disclosure of Invention
Aiming at the technical problems in the prior art, the utility model provides air inlet and outlet protection equipment for a distribution box, which solves the problems that environmental dust and insect pests easily block a heat radiation port and a ventilation port in the use process of the distribution box.
The technical scheme for solving the technical problems is as follows: the utility model provides a block terminal advances exhaust protection equipment, includes the air inlet case that sets up in block terminal air inlet department, and set up the exhaust case in the block terminal gas vent, set gradually air inlet scoop and the air supply pipeline that is linked together in the air inlet case, the air inlet scoop is inwards equipped with first fly net lid and air filter core in proper order owing to the wind gap; an air inlet fan is arranged at an air outlet of the air supply pipeline; an exhaust air duct is reserved in the exhaust air box, and an exhaust fan and a second insect-proof net cover are sequentially arranged at an air inlet and an air outlet of the exhaust air duct of the exhaust air box.
On the basis of the technical scheme, the utility model can be improved as follows.
Further, two groups of air inlet hoppers are arranged, and the side walls of the two groups of air inlet hoppers are communicated with air guide branch pipes; and a three-way connecting pipe is communicated between the two groups of air guide branch pipes and the air supply pipeline.
Further, the tail end of the air inlet hopper is provided with a back-blowing high-pressure fan.
Further, the back-blowing high-pressure fan, the first insect-proof net cover and the air filter element are coaxially arranged.
Further, a first air valve is arranged on the air guide branch pipe, and a second air valve is arranged between the air inlet hopper and the back-blowing high-pressure fan.
Further, a plurality of groups of exhaust air channels reserved in the exhaust air box are arranged at intervals.
Further, a plurality of groups of exhaust branch pipes which are uniformly distributed are arranged in each group of exhaust air channels; the exhaust branch pipe comprises a connecting section and a terminal which are sequentially connected from inside to outside, and the inner diameter of the terminal is gradually narrowed from inside to outside.
The beneficial effects of the utility model are as follows: the air inlet and outlet protective equipment of the distribution box has a compact integral structure, can be directly assembled at the air inlet and outlet position of the distribution box, can promote the circulation of air flow in the distribution box under the action of the air inlet fan and the air outlet fan, promote the heat exchange between air and electronic elements, improve the heat dissipation effect, and realize the preliminary protection of pests by using the first insect-proof net cover and the second insect-proof net cover for the whole air inlet and outlet port so as to prevent the pests from entering the distribution box; after the air enters along the air inlet hopper, dust in the air is filtered through the air filter element, so that the electronic elements in the distribution box are prevented from being influenced by dust pollutants, and the service life is prolonged.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of the present utility model;
FIG. 3 is a schematic view of the internal structure of the air inlet box of the utility model;
FIG. 4 is a schematic view of the internal structure of the blow-off box according to the present utility model.
In the drawings, the list of components represented by the various numbers is as follows:
1. the air inlet box, 2, the air exhaust box, 3, the air inlet bucket, 31, the air guide branch pipe, 4, the air supply pipeline, 5, the first insect-proof net cover, 6, the air filter element, 7, the air inlet fan, 8, the exhaust fan, 9, the second insect-proof net cover, 10, the tee joint pipe, 11, the back-blowing high-pressure fan, 12, the first air valve, 13, the second air valve, 14, the exhaust branch pipe.
Detailed Description
The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.
It should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed, unless otherwise specifically indicated and defined. The specific meaning of such terms in this patent will be understood by those of ordinary skill in the art as the case may be.
As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the utility model discloses a block terminal air inlet and outlet protection equipment, including two majority of air inlet box 1 and exhaust box 2.
Specifically, the air inlet box 1 is arranged at an air inlet of the distribution box, and the air exhaust box 2 is arranged at an air outlet of the distribution box; an air inlet hopper 3 and an air supply pipeline 4 which are communicated are sequentially arranged in the air inlet box 1, and a first insect-proof net cover 5 and an air filter element 6 are sequentially arranged in the air inlet hopper 3 inwards due to an air port; an air inlet fan 7 is arranged at the air outlet of the air supply pipeline 4; an exhaust air channel is reserved in the exhaust box 2, and an exhaust fan 8 and a second insect-proof net cover 9 are sequentially arranged at an air inlet and an air outlet of the exhaust air channel of the exhaust box 2. The first insect-proof net cover 5 and the second insect-proof net cover 9 are used for realizing preliminary protection of pests through the whole air inlet and outlet ports, and avoiding the pests from entering the distribution box; after the air enters along the air inlet hopper 3, dust in the air is filtered through the air filter element 6, so that the electronic components in the distribution box are prevented from being influenced by dust pollutants, and the service life is prolonged. The air inlet fan 7 is used for driving air to flow in, the exhaust fan 8 is used for driving air to flow out, and therefore ventilation in the distribution box is promoted, and meanwhile normal heat dissipation requirements of electric equipment are guaranteed.
Preferably, the apertures of the first insect-proof net cover 5 and the second insect-proof net cover 9 are 1.5mm-2.5mm, so as to prevent flies, bees and mosquitoes from entering, and the specific aperture can be determined according to actual needs and use environments.
The air filter element 6 can be a cellulose filter element, is mainly made of wood pulp fiber, and has good filtering effect and higher air flow rate. The later use only needs to replace the air filter element regularly, thereby reducing the workload of cleaning and maintenance and improving the maintenance efficiency.
As an implementation manner, the air inlet hoppers 3 are provided with two groups, and the side walls of the two groups of air inlet hoppers 3 are communicated with the air guide branch pipes 31; two groups of air guide branch pipes 31 are communicated with each other through a three-way connecting pipe 10, and two groups of air inlet hoppers 3 can effectively guide external air to enter into the air supply pipeline 4, so that external air flow enters into the distribution box for heat exchange, and normal operation of internal equipment of the distribution box is guaranteed.
Specifically, the tail end of the air inlet hopper 3 is provided with a back-blowing high-pressure fan 11, and high-pressure air flows through the air inlet hopper 3 to reversely blow and wash the air filter element 6 and the first insect-proof net cover 5 by the back-blowing high-pressure fan 11, so that dirt is removed, and the smoothness of the interior of the air inlet hopper 3 is ensured. The back-blowing high-pressure fan 11 is coaxially arranged with the first insect-proof net cover 5 and the air filter element 6, so that high-pressure air flow generated by the back-blowing high-pressure fan 11 can accurately act on dust on the first insect-proof net cover 5 and the air filter element 6.
In addition, the air guide branch pipe 31 is provided with a first air valve 12, and the first air valve 12 is used for cutting off the communication between the air inlet hopper 3 and the three-way connecting pipe 10; a second air valve 13 is arranged between the air inlet hopper 3 and the back-blowing high-pressure fan 11, and the second air valve 13 is used for cutting off the communication between the air inlet hopper 3 and the back-blowing high-pressure fan 11. Because the two groups of air inlet hoppers 3 are arranged, when the first insect-proof net cover 5 and the air filter element 6 at each air inlet hopper 3 are required to carry out back blowing to remove dirt, the air guide branch pipe 31 is communicated with the air supply pipeline 4 by opening the first air valve 12 at the air inlet hopper 3 and closing the second air valve 13 of the air inlet hopper 3, so that the normal exchange of the air flow in the distribution box is ensured; simultaneously, the first air valve 12 at the air inlet hopper 3 of the other group is closed, and the second air valve 13 of the group is opened, so that the back-blowing high-pressure fan 11 is communicated with the air inlet hopper 3, and the ash removal treatment of the first insect-proof net cover 5 and the air filter element 6 in the air inlet hopper 3 can be ensured when the back-blowing high-pressure fan 11 operates. The back-blowing ash removal of one group of air inlet hoppers 3 can be realized, the exchange of the air flow of the distribution box is guaranteed by the other group of air inlet hoppers 3, the basic heat dissipation requirement of electronic elements is met, and the time for each ash removal can be controlled to be about 10 seconds. After the ash removal is finished, the two groups of first air valves 12 are opened, the two groups of second air valves 13 are closed, and normal ventilation of the two groups of air inlet hoppers 3 is ensured.
As an implementation mode, the exhaust air channels reserved in the exhaust box 2 are arranged at intervals, and the exhaust air channels are arranged at intervals, so that gas reflux is reduced, the gas in the distribution box is ensured to flow along the exhaust air channels under the action of the exhaust fan 8, and the possibility that ambient air flows back into the distribution box is reduced.
Specifically, a plurality of groups of exhaust branch pipes 14 which are uniformly distributed are arranged in each group of exhaust air channels; the exhaust branch pipe 14 comprises a connecting section and an end head which are sequentially connected from inside to outside, the inner diameter of the end head is gradually narrowed from inside to outside, the air flow at the exhaust port is ensured to discharge and boost pressure, the normal exhaust process of the air is ensured, and the entry of environmental impurities is avoided.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.
Claims (7)
1. The utility model provides a block terminal advances exhaust protection equipment, includes air inlet box (1) that sets up in block terminal air inlet department, and set up in the exhaust case (2) of block terminal gas vent, a serial communication port, air inlet bucket (3) and air supply pipeline (4) that are linked together set gradually in air inlet box (1), air inlet bucket (3) inwards are equipped with first fly net lid (5) and air filter core (6) in proper order owing to the wind gap; an air inlet fan (7) is arranged at the air outlet of the air supply pipeline (4); an exhaust air channel is reserved in the exhaust box (2), and an exhaust fan (8) and a second insect-proof net cover (9) are sequentially arranged at an air inlet and an air outlet of the exhaust air channel of the exhaust box (2).
2. The air inlet and outlet protection device of the distribution box according to claim 1, wherein the air inlet hoppers (3) are provided with two groups, and the side walls of the two groups of air inlet hoppers (3) are communicated with an air guide branch pipe (31); and a three-way connecting pipe (10) is communicated between the two groups of air guide branch pipes (31) and the air supply pipeline (4).
3. The distribution box air inlet and outlet protection device according to claim 2, wherein the tail end of the air inlet hopper (3) is provided with a back-blowing high-pressure fan (11).
4. A distribution box air inlet and outlet protection device according to claim 3, characterized in that the back-blowing high-pressure fan (11) is arranged coaxially with the first insect-proof net cover (5) and the air filter element (6).
5. A distribution box air inlet and outlet protection device according to claim 3, characterized in that the air guide branch pipe (31) is provided with a first air valve (12), and a second air valve (13) is arranged between the air inlet hopper (3) and the back-blowing high-pressure fan (11).
6. The air inlet and outlet protection device for the distribution box according to claim 1, wherein a plurality of groups of air outlet channels reserved in the air outlet box (2) are arranged at intervals.
7. The air inlet and outlet protection device of the distribution box according to claim 6, wherein a plurality of groups of uniformly arranged exhaust branch pipes (14) are arranged in each group of the exhaust air channels; the exhaust branch pipe (14) comprises a connecting section and a tip which are sequentially connected from inside to outside, and the inner diameter of the tip is gradually narrowed from inside to outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320503894.0U CN219498698U (en) | 2023-03-16 | 2023-03-16 | Air inlet and outlet protective equipment for distribution box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320503894.0U CN219498698U (en) | 2023-03-16 | 2023-03-16 | Air inlet and outlet protective equipment for distribution box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219498698U true CN219498698U (en) | 2023-08-08 |
Family
ID=87482145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320503894.0U Active CN219498698U (en) | 2023-03-16 | 2023-03-16 | Air inlet and outlet protective equipment for distribution box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219498698U (en) |
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2023
- 2023-03-16 CN CN202320503894.0U patent/CN219498698U/en active Active
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