Internal circulation cooling power distribution cabinet

Abstract

The utility model relates to the technical field of power distribution cabinets, in particular to an internal circulation cooling power distribution cabinet, which comprises a power distribution cabinet. The outer heat exchange part is arranged on the power distribution cabinet; the inner air inlet and outlet part is arranged in the power distribution cabinet and connected with the outer heat exchange part, and the outer heat exchange part comprises a coiled pipe connected with the power distribution cabinet; at least one group of fins are arranged on the coiled pipe; the mounting frame is connected with the fins; the air inlets are formed in the two sides of the mounting frame; and at least one group of draft fans are arranged. Through an assembly composed of the power distribution cabinet, the outer heat exchange part and the inner air inlet and outlet part, a set of power distribution cabinet assembly with internal circulation cooling is provided for power distribution users, and heat exchange between air in the power distribution cabinet and external air is realized in a non-contact state, so that the influence of external dust on the interior of the power distribution cabinet is avoided, and the service life of the power distribution cabinet is prolonged; the device is especially suitable for a power distribution cabinet group which needs to be frequently exposed outdoors, and guarantees the use safety of internal components of the power distribution cabinet.

Description

Technical Field

[0001] The utility model relates to the technical field of power distribution cabinets, in particular to a power distribution cabinet with internal circulation cooling. Background Art

[0002] Distribution cabinets are widely used in industrial automation, building intelligence, power systems, transportation and agriculture. In industry, they are used to control and monitor electrical equipment and production lines; in buildings, they realize power distribution and monitoring; in power systems, they monitor and control high and low voltage equipment; in transportation, they ensure the safety of rail transit power supply; in agriculture, they support greenhouses and irrigation facilities.

[0003] The existing power distribution cabinet with exposed heat dissipation vents cannot avoid the entry of dust from the outside air during long-term air cooling, causing the dust to adhere to the electrical components in the cabinet and accelerate the oxidation inside the cabinet, resulting in problems such as reduced stability and life of the power distribution cabinet. Therefore, a power distribution cabinet with internal circulation cooling is proposed to provide a set of power distribution cabinet components with internal circulation cooling for power distribution users, so that the air inside the power distribution cabinet and the outside air can achieve heat exchange in a non-contact state, thereby avoiding the influence of external dust on the inside of the power distribution cabinet and increasing the life of the power distribution cabinet. Utility Model Content

[0004] In response to the problems in the prior art, the utility model provides a distribution cabinet with internal circulation cooling to provide a set of distribution cabinet components with internal circulation cooling for distribution users, so that the air inside the distribution cabinet and the external air can achieve heat exchange in a non-contact state, thereby avoiding the influence of external dust on the interior of the distribution cabinet and increasing the service life of the distribution cabinet.

[0005] The technical solution adopted by the utility model to solve the technical problem is an internal circulation cooling power distribution cabinet, comprising:

[0006] Power distribution cabinet;

[0007] The external heat exchange part is arranged on the power distribution cabinet;

[0008] The internal air inlet and outlet parts are arranged in the power distribution cabinet and connected with the external heat exchange part.

[0009] By adopting the above technical scheme, through the components consisting of the distribution cabinet, the external heat exchange part and the internal air inlet and outlet part, a set of distribution cabinet components with internal circulation cooling is provided for the distribution users, so that the air inside the distribution cabinet and the external air can achieve heat exchange in a non-contact state, thereby avoiding the influence of external dust on the inside of the distribution cabinet, and improving the service life of the distribution cabinet. It is especially suitable for distribution cabinet groups that need to be frequently exposed to outdoor use, and ensures the safety of the internal components of the distribution cabinet.

[0010] Specifically, the external heat exchange part includes:

[0011] Serpentine pipe, connected to the power distribution cabinet;

[0012] The fins are provided in at least one group and are arranged on the serpentine tube;

[0013] Install the frame to connect with the fins;

[0014] Air inlets are arranged on both sides of the mounting frame;

[0015] At least one group of exhaust fans is provided and arranged in the installation frame.

[0016] By adopting the above technical solution, the air temperature inside the distribution cabinet is exchanged with the air temperature outside the cabinet through the external heat exchange part.

[0017] Specifically, the air outlet end of the exhaust fan faces the fins, and the corner of the mounting frame is bolted to the power distribution cabinet.

[0018] Specifically, the inner air inlet and outlet part includes:

[0019] An air pump connected to a serpentine tube;

[0020] The wind box is installed inside the power distribution cabinet and connected to the serpentine pipe;

[0021] At least one group of air outlets is provided and opened along the side of the air box.

[0022] By adopting the above technical solution, the air inside the distribution cabinet is exchanged with the air in the serpentine tube through the inner air inlet and outlet.

[0023] Specifically, the air inlet end of the air pump is located in the power distribution cabinet, and the air outlet end of the air pump is connected to the air inlet end of the serpentine pipe.

[0024] Specifically, the air inlet end of the air box is connected to the air outlet end of the serpentine tube.

[0025] The beneficial effects of the utility model are as follows: through the components consisting of a distribution cabinet, an external heat exchange part and an internal air inlet and outlet part, a set of distribution cabinet components with internal circulation cooling is provided for distribution users, so that the air inside the distribution cabinet and the external air can achieve heat exchange in a non-contact state, thereby avoiding the influence of external dust on the inside of the distribution cabinet and improving the service life of the distribution cabinet. It is especially suitable for distribution cabinet groups that need to be frequently exposed to outdoor use, ensuring the safety of the internal components of the distribution cabinet, and solving the problem that the existing distribution cabinet with exposed heat dissipation vents cannot avoid the entry of external air dust during long-term air cooling, causing dust to stick to the electrical components in the cabinet and accelerate the oxidation inside the cabinet, resulting in reduced stability and service life of the distribution cabinet. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0027] Figure 1 It is an overall schematic diagram of the utility model;

[0028] Figure 2 It is a schematic diagram of the external heat exchange part of the utility model;

[0029] Figure 3 This is a schematic diagram of the inner air inlet and outlet of the utility model;

[0030] In the figure: 1. power distribution cabinet; 2. external heat exchange unit; 201. serpentine tube; 202. fin; 203. mounting frame; 204. air inlet; 205. exhaust fan; 3. internal air inlet and outlet; 301. air pump; 302. wind box; 303. air outlet. DETAILED DESCRIPTION

[0031] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0032] In order to increase the service life, Figure 1-3 As shown, the utility model discloses a power distribution cabinet with internal circulation cooling, comprising:

[0033] Power distribution cabinet 1;

[0034] The external heat exchange part 2 is arranged on the power distribution cabinet 1;

[0035] The inner air inlet and outlet part 3 is arranged in the power distribution cabinet 1 and connected to the outer heat exchange part 2 .

[0036] When in use, through the components consisting of the distribution cabinet 1, the external heat exchange part 2 and the internal air inlet and outlet part 3, a set of internal circulation cooling distribution cabinet components is provided for the distribution users, so that the air inside the distribution cabinet and the external air can achieve heat exchange in a non-contact state, thereby avoiding the influence of external dust on the inside of the distribution cabinet and increasing the service life of the distribution cabinet.

[0037] For heat exchange, for example, Figure 2 As shown, the utility model also includes that the external heat exchange part 2 includes:

[0038] The serpentine tube 201 is connected to the power distribution cabinet 1;

[0039] The fins 202 are provided in at least one group and are arranged on the serpentine tube 201;

[0040] A mounting frame 203 connected to the fins 202;

[0041] Air inlets 204 are provided on both sides of the mounting frame 203;

[0042] At least one set of exhaust fans 205 is provided and is installed in the installation frame 203 .

[0043] When in use, the exhaust fan 205 works to allow air in the venue to enter the installation frame 203 through the air inlet 204, and is blown out to the fins 202 and the serpentine tube 201 by the exhaust fan 205, thereby quickly cooling the air passing through the serpentine tube 201.

[0044] The air outlet end of the exhaust fan 205 faces the fin 202 , and the corner of the mounting frame 203 is bolted to the power distribution cabinet 1 .

[0045] When in use, the fins 202 can improve the heat exchange efficiency of the serpentine tube 201 .

[0046] For cooling, for example, Figure 3 As shown, the utility model also includes that the inner air inlet and outlet part 3 includes:

[0047] Air pump 301, connected to serpentine tube 201;

[0048] The wind box 302 is arranged inside the power distribution cabinet 1 and connected to the serpentine tube 201;

[0049] At least one group of air outlets 303 are provided and opened along the side of the air box 302 .

[0050] When in use, the air is evacuated from the distribution cabinet 1 through the air pump 301, and the air is discharged into the serpentine tube 201, so that the air pressure in the serpentine tube 201 increases, and the excess air pressure in the serpentine tube 201 enters the wind box 302, and is dispersedly discharged to the distribution cabinet 1 through the array of air outlets 303 on the air inlet box 302, thereby achieving cooling treatment of the distribution cabinet 1.

[0051] The air inlet end of the air pump 301 is located in the power distribution cabinet 1 , and the air outlet end of the air pump 301 is connected to the air inlet end of the serpentine tube 201 .

[0052] The air inlet end of the air box 302 is connected to the air outlet end of the serpentine tube 201 .

[0053] When the utility model is in use, the air is evacuated from the power distribution cabinet 1 through the air pump 301, and the air is discharged into the serpentine tube 201, so that the air pressure in the serpentine tube 201 is increased, and the excess air pressure in the serpentine tube 201 enters the wind box 302, and is dispersedly discharged from the power distribution cabinet 1 through the array of air outlets 303 on the air inlet box 302, and the exhaust fan 205 works to make the air in the site enter the installation frame 203 through the air inlet 204, and is blown out to the fins 202 and the serpentine tube 201 through the exhaust fan 205, so as to quickly cool the air passing through the serpentine tube 201, thereby achieving cooling treatment in the power distribution cabinet 1.

[0054] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions in the specification are only to illustrate the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the protection required by the utility model. The scope of protection required by the utility model is defined by the attached claims and their equivalents.

Claims

1. A power distribution cabinet with internal circulation cooling, characterized in that: include: Power distribution cabinet (1); The external heat exchange part (2) is arranged on the power distribution cabinet (1); The internal air inlet and outlet part (3) is arranged in the power distribution cabinet (1) and connected to the external heat exchange part (2); The external heat exchange part (2) comprises: A serpentine tube (201) connected to a power distribution cabinet (1); At least one group of fins (202) is provided and arranged on the serpentine tube (201); A mounting frame (203) connected to the fins (202); Air inlets (204) are arranged on both sides of the mounting frame (203); At least one set of exhaust fans (205) is provided and is disposed in the mounting frame (203); The air outlet end of the exhaust fan (205) faces the fin (202), and the corner of the mounting frame (203) is bolted to the power distribution cabinet (1); The inner air inlet and outlet portion (3) comprises: An air pump (301) connected to the serpentine tube (201); The wind box (302) is arranged inside the power distribution cabinet (1) and connected to the serpentine tube (201); At least one group of air outlets (303) are provided and opened along the side of the air box (302); The air inlet end of the air pump (301) is located in the power distribution cabinet (1), and the air outlet end of the air pump (301) is connected to the air inlet end of the serpentine tube (201); The air inlet end of the wind box (302) is connected to the air outlet end of the serpentine tube (201).

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