CN211177251U - Electric room cooling and dustproof device - Google Patents

Abstract

The utility model discloses a cooling and dustproof device for an electrical room, which comprises a bottom plate, a ventilation box is fixedly connected to the top of the bottom plate, and a box door is rotatably connected to one side of the bottom of the ventilation box. The beneficial effects achieved by the utility model are: The new type arranges the return air duct in the upper part of the power room and introduces the air duct into the return air end of the equipment. Using the principle of thermal expansion and cold contraction, the hot air goes up, and then the hot air enters the equipment through the air duct through the suction of the fan on the equipment. After the hot gas enters the equipment, it exchanges heat with the plate heat exchanger inside the equipment, and the hot gas is cooled down and then sent back to the power room, thus forming a closed-loop cooling method, which can meet the cooling requirements at the same time. To achieve the effect of dust prevention, in order to prevent the short circuit of cold air, an adjustable return air louver device is designed at the air inlet of the air duct to adjust the wind resistance, so that the indoor temperature return air is more uniform.

Description

Electric room cooling and dustproof device

technical field

The utility model relates to a cooling and dustproof device, in particular to a cooling and dustproof device for an electrical room, and belongs to the technical field of cooling and dustproof devices.

Background technique

In the existing life, there are a large number of electrical equipment workshops in production enterprises. The electrical equipment will generate heat during operation. In order to make the electrical equipment operate better, the electrical room has to be cooled under rated conditions. , Usually the cooling methods of production enterprises are divided into two types, the first is fan exhaust cooling, the second is cabinet air conditioning cooling, but fan exhaust cooling is to use ventilation fans to directly discharge indoor hot air to the outside, The disadvantage of this solution is that it will generate negative pressure in the power room, and the turbid air from the outside will enter the electrical room, causing a lot of dust to adhere to the electrical equipment, thereby reducing the service life of the electrical equipment and increasing its failure rate. Air conditioner cooling is to use cabinet air conditioners to cool the electrical room. In addition to the extremely high cost of construction and operation, this solution also has the following problems. The outdoor unit of the air conditioner operates in an industrial environment for a long time, which is easy to absorb dust or corrosion on the site The air-conditioning has high failure rate and high maintenance rate, and the use effect is unstable.

Utility model content

The technical problem to be solved by the utility model is to overcome the defects of the prior art and provide a cooling and dustproof device for the electrical room.

In order to solve the above-mentioned technical problems, the utility model provides the following technical solutions:

The utility model provides a cooling and dustproof device for an electrical room, comprising a bottom plate, a ventilation box is fixedly connected to the top of the bottom plate, a box door is rotatably connected to one side of the bottom of the ventilation box, and the ventilation box is located outside the box and located in the box. An electric control box is fixedly installed on one side of the door, an exhaust pipe is fixedly connected to one side of the bottom of the ventilation box, the inside of the exhaust pipe is communicated with the interior of the ventilation box, and the top of the ventilation box is fixed A return air duct is connected, and one end of the return air duct away from the ventilation box is fixedly connected with an air inlet duct with an "L"-shaped structure. The interior of the air inlet is fixedly installed with return air louvers, the bottom of the inner wall of the ventilation box is fixedly installed with a fan, and the inner wall of the ventilation box is fixedly installed above the fan with a plate heat exchanger. A water receiving tray is fixedly connected to the bottom of the inner wall of the air box and located on one side of the fan, and a liquid level switch is fixedly installed inside the water receiving tray.

As a preferred solution of the present invention, a lock cylinder is fixedly installed on one side of the box door, and a groove handle is cut out on the outside of the box door and located on one side of the lock cylinder.

As a preferred solution of the present invention, a locking handle is provided on the outer side of the electric control box.

As a preferred solution of the present invention, the bottom of the air return pipe extends to the interior of the ventilation box and faces the plate heat exchanger.

As a preferred solution of the present invention, the output end of the fan extends to the outside of the ventilation box and is fixedly connected with the exhaust pipe.

As a preferred solution of the present invention, a water outlet hole is drilled at the bottom of the ventilation box, and the bottom of the water receiving tray communicates with the inside of the water outlet hole.

As a preferred solution of the present invention, the fan and the plate heat exchanger are all electrically connected to the electric control box.

The beneficial effects achieved by the utility model are as follows: the utility model arranges the return air duct on the upper part of the power room, and introduces the air duct into the return air end of the equipment, and utilizes the principle of thermal expansion and cold contraction, so that the hot air goes up, and then passes through The fan on the equipment sucks, and the hot air enters the return air outlet of the equipment through the air duct. After the hot gas enters the equipment, it exchanges heat with the plate heat exchanger inside the equipment. The hot air is cooled and cooled and then sent back to the power room to form a closed cycle. In order to prevent the short circuit of cold air, an adjustable return air louver device is designed at the air inlet of the air duct to adjust the wind resistance, so that the indoor temperature The return air is more uniform.

Description of drawings

The accompanying drawings are used to provide a further understanding of the present invention, and constitute a part of the specification, and are used to explain the present invention together with the embodiments of the present invention, and do not constitute a limitation to the present invention. In the attached image:

Fig. 1 is the overall structure schematic diagram of the present utility model;

2 is a schematic diagram of the internal structure of the ventilation box of the present invention;

Figure 3 is a schematic diagram of the installation structure of the present invention.

In the picture: 1. Bottom plate; 2. Ventilation box; 3. Box door; 4. Lock cylinder; 5. Groove handle; 6. Electric control box; 7. Locking handle; 8. Water outlet; 9. Exhaust air Pipe; 10, return air pipe; 11, air inlet pipe; 12, air inlet; 13, return air shutters; 14, fan; 15, plate heat exchanger; 16, water tray; 17, liquid level switch.

Detailed ways

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present utility model, but not to limit the present utility model.

Example

As shown in Figures 1-3, the utility model provides a cooling and dustproof device for an electrical room, comprising a bottom plate 1, a ventilation box 2 is fixedly connected to the top of the bottom plate 1, and a box door 3 is rotatably connected to one side of the bottom of the ventilation box 2, An electric control box 6 is fixedly installed on the outside of the ventilation box 2 and located on the side of the box door 3 , and an exhaust pipe 9 is fixedly connected to one side of the bottom of the ventilation box 2 . The interior is connected to facilitate better passage of the converted air into the interior of the electrical room; the top of the ventilation box 2 is fixedly connected with a return air duct 10, and the end of the return air duct 10 away from the ventilation box 2 is fixedly connected with "L" The air inlet duct 11 of the type structure, the bottom of the end of the air inlet duct 11 away from the return air duct 10 is drilled with two air inlets 12, and the interior of the air inlet 12 is fixedly installed with a return air louver 13, and the return air louver 13 can be adjusted freely , so as to better adjust the wind resistance and make the indoor temperature return air more uniform; the bottom of the inner wall of the ventilation box 2 is fixedly installed with a fan 14, which is convenient for better inhaling the hot gas into the ventilation box 2; the ventilation box 2 The inner wall of the ventilation box 2 is fixedly installed with a plate heat exchanger 15 above the fan 14, which is convenient for better heat exchange of the hot gas; the bottom of the inner wall of the ventilation box 2 and located on one side of the fan 14 is fixedly connected with a water receiving tray 16, A liquid level switch 17 is fixedly installed inside the water receiving tray 16 , which facilitates better control of the opening and closing of the water receiving tray 16 .

Further, a lock cylinder 4 is fixedly installed on one side of the box door 3, and a groove handle 5 is drilled on the outside of the box door 3 and located on one side of the lock cylinder 4, so as to facilitate better locking and opening of the box door 3, The maintenance of the interior of the ventilation box 2 is facilitated.

Further, a locking handle 7 is provided on the outer side of the electric control box 6 to facilitate better opening and closing of the electric control box 6 .

Further, the bottom of the return air pipe 10 extends to the interior of the ventilation box 2 and faces the plate heat exchanger 15 , so that the hot air can be better drawn into the interior of the ventilation box 2 through the return air pipe 10 and pass through the plate heat exchanger 15 heat exchange.

Further, the output end of the fan 14 extends to the outside of the ventilation box 2 and is fixedly connected with the exhaust pipe 9 , so that the heat exchanged gas can be better exhausted to the interior of the electrical room.

Further, a water outlet hole 8 is drilled at the bottom of the ventilation box 2 , and the bottom of the water receiving tray 16 communicates with the interior of the water outlet hole 8 , so as to better discharge the moisture generated inside the equipment.

Further, the fan 14 and the plate heat exchanger 15 are all electrically connected to the electric control box 6 to facilitate better control of the equipment.

Specifically, as shown in FIG. 3, the ventilation box 2 is installed on the ground on one side of the electrical room, and then the air inlet pipe 11 is extended to the inside of the electrical room, and the exhaust pipe 9 is communicated with the inside of the electrical room. When When the electrical equipment generates heat during operation, the equipment starts to work, and the fan 14 sucks the hot air into the return air pipe 10 through the two air inlets 12 at the bottom of the air inlet pipe 11, so as to pass the hot air into the interior of the ventilation box 2, and then The hot gas is fully contacted with the plate heat exchanger 15 above the fan 14 and heat exchange occurs, and then the gas after the heat exchange passes through the exhaust pipe 9 again into the interior of the electrical room, and at the same time, the wind resistance is adjusted through the return air shutter 13, In this way, the indoor temperature and return air are more uniform. At the same time, due to thermal expansion and cold contraction, the hot air generated by the operation of the electrical equipment and the cold air that has just entered the electrical room will not be mixed, so as to better form a closed-loop cooling, and then It prevents the outside turbid air from entering the electrical room, and at the same time avoids a large amount of dust adhering to the electrical equipment, thereby increasing the service life of the electrical equipment.

Finally, it should be noted that the above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. , it is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements to some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims (7)

1. A cooling and dustproof device for an electrical room, comprising a bottom plate (1), characterized in that a ventilation box (2) is fixedly connected to the top of the bottom plate (1), and one side of the bottom of the ventilation box (2) rotates A box door (3) is connected, an electric control box (6) is fixedly mounted on the outside of the ventilation box (2) and located on one side of the box door (3), and one side of the bottom of the ventilation box (2) is fixedly installed An exhaust pipe (9) is fixedly connected, the interior of the exhaust pipe (9) communicates with the interior of the ventilation box (2), and a return air pipe (10) is fixedly connected to the top of the ventilation box (2). , the end of the return air pipe (10) away from the ventilation box (2) is fixedly connected with an "L"-shaped air inlet pipe (11), and the air inlet pipe (11) is far away from the return air pipe (10). Two air inlets (12) are excavated at the bottom of one end, and air return louvers (13) are fixedly installed inside the air inlets (12), and fans (14) are fixedly installed at the bottom of the inner wall of the ventilation box (2). ), a plate heat exchanger (15) is fixedly installed on the inner wall of the ventilation box (2) and located above the fan (14), and the bottom of the inner wall of the ventilation box (2) is located at a side of the fan (14). A water receiving tray (16) is fixedly connected to the side, and a liquid level switch (17) is fixedly installed inside the water receiving tray (16). 2 . The cooling and dustproof device for an electrical room according to claim 1 , wherein a lock cylinder ( 4 ) is fixedly installed on one side of the box door ( 3 ), and the box door ( 3 ) is outside and located at the A groove handle (5) is drilled on one side of the lock cylinder (4). 3 . The cooling and dustproof device for an electrical room according to claim 1 , wherein a locking handle ( 7 ) is provided on the outer side of the electrical control box ( 6 ). 4 . 4 . The cooling and dustproof device for an electrical room according to claim 1 , wherein the bottom of the air return pipe ( 10 ) extends to the inside of the ventilation box ( 2 ) and faces the plate heat exchanger ( 15 ). 5 . 5 . The cooling and dustproof device for an electrical room according to claim 1 , wherein the output end of the fan ( 14 ) extends to the outside of the ventilation box ( 2 ) and is fixedly connected to the exhaust pipe ( 9 ). 6 . 6 . The cooling and dustproof device for an electrical room according to claim 1 , wherein a water outlet hole ( 8 ) is drilled at the bottom of the ventilation box ( 2 ), and the bottom of the water receiving tray ( 16 ) is connected to the The inside of the water outlet hole (8) is communicated. 7 . The cooling and dustproof device for an electrical room according to claim 1 , wherein the fan ( 14 ) and the plate heat exchanger ( 15 ) are all electrically connected to the electric control box ( 6 ). 8 .

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