CN209546207U - A cooling electrical cabinet - Google Patents

Abstract

The utility model discloses a heat-dissipating electrical cabinet, which belongs to the field of electrical cabinets. The main point of the technical solution is to include a cabinet body, the cabinet body is rotatably connected with a cabinet door, and an electrical control panel is arranged on the inner wall of the cabinet body. A control module is installed on the electrical control board, a number of heat dissipation fans are arranged on the inner wall of the cabinet body, and a heat dissipation coil filled with cooling water is arranged on the cabinet body, and the heat dissipation coil pipe is located on the bottom surface inside the cabinet body. The advantage of the heat dissipation electrical cabinet is that it has a good heat dissipation function and avoids damage to electronic components due to excessive heat accumulation.

Description

A cooling electrical cabinet

technical field

The utility model relates to an electrical cabinet, in particular to a heat dissipation electrical cabinet.

Background technique

With the improvement of industrial level, more and more transcritical carbon dioxide air source heat pumps are used in industrial production. Air energy heat pumps are driven by electric motors, using the working principle of vapor compression refrigeration cycle, and using ambient air as the cold (heat) source Equipment for producing cold (hot) air or cold (hot) water, and the electrical cabinet is a cabinet made of steel to protect the normal operation of components, and is generally used as supporting equipment for carbon dioxide air source heat pumps.

The Chinese patent with the notification number CN203788586U discloses an electrical cabinet, including a cabinet body and a circuit system. A cabinet door is installed on the left side of the front of the cabinet body. The inner part of the cabinet body is a storage room and a power supply room. Button, the outer bottom of the cabinet is equipped with a power interface, the power interface is connected to the rechargeable battery inside the cabinet, the storage room is divided into n+1 storage spaces by n partition boards, and the circuit system consists of rechargeable batteries, buttons, controllers, Composed of AC circuit analyzer, display and motor.

However, in the actual use process, the heat dissipation capability of this kind of electrical cabinet is poor, and the electronic components will generate heat. Can cause damage to electronic components.

Utility model content

The purpose of this utility model is to provide a heat dissipation electrical appliance cabinet, which has the advantage of having a good heat dissipation function and avoiding damage to electronic components due to excessive heat accumulation.

The above-mentioned technical purpose of the utility model is achieved through the following technical solutions:

A heat dissipation electrical cabinet, comprising a cabinet body, the cabinet body is rotatably connected with a cabinet door, an electrical control board is arranged on the inner wall of the cabinet body, a control module is installed on the electrical control board, and the inner wall of the cabinet body A number of cooling fans are arranged on the cabinet body, and a cooling coil filled with cooling water is arranged on the cabinet body, and the cooling coil tube is located on the bottom surface inside the cabinet body.

By adopting the above-mentioned technical scheme, when working, the cooling fan rotates to extract air from the cabinet, which promotes gas exchange between the cabinet and the external environment, and promotes heat dissipation. At the same time, the contact area between the cooling coil and the air is large, which is conducive to absorption Heat, the heat is transferred to the cooling water of the cooling coil, and cooperate together to reduce the temperature in the cabinet.

Further, the outer surface of the cabinet body is provided with a water storage tank filled with cooling water, the water outlet end of the water storage tank is provided with a water pump, and the water pump is connected to the water inlet end of the cooling coil. The water outlet end is connected with the water inlet end of the water storage tank.

By adopting the above technical scheme, when working, the cooling water flows into the water storage tank from the heat dissipation coil after absorbing the heat, and after the cooling water dissipates heat in the water storage tank, it is repressurized by the water pump and sent to the heat dissipation coil Completing the process of circulating heat dissipation is to reduce the temperature in the cabinet.

Further, several cooling fins are arranged vertically on the surface of the water storage tank, and the cooling fins are arranged along the length direction of the water storage tank.

By adopting the above technical solution, the heat sink is mainly used to increase the contact area with the air, which is conducive to the heat dissipation to the external environment, so as to cool down the cooling water.

Further, the heat sink is a copper sheet.

By adopting the above technical solution, since copper has good thermal conductivity, the heat dissipation capability of the heat sink is further increased, and heat dissipation is accelerated.

Further, a support rod is detachably connected to the heat dissipation coil, and the support rod is arranged obliquely. One end of the support rod is provided with a locking ring, and the locking ring wraps around the support rod and is fixedly connected by bolts. One end of the support rod is provided with a contact block, and the contact block is against the electrical control board.

By adopting the above technical scheme, the contact block and the electrical control board transfer heat from the electrical control board to the contact block, and the heat is transferred to the cooling coil through the support rod, thereby reducing the temperature of the electrical control board.

Further, the contact block is fixed on the electrical control board by bolts, and the contact block is made of copper.

By adopting the above technical scheme, the contact block is more firmly fixed to the electrical control board by bolts, so that the contact block and the electrical control board are in closer contact. At the same time, because the contact block is made of copper, it has thermal conductivity and accelerates heat transfer to the contact block.

Further, the cooling fan is fixedly connected with a ventilation pipe, and the ventilation pipe runs through the inner wall of the cabinet.

By adopting the above technical solution, when the cooling fan rotates and works, the air is discharged from the cabinet body through the ventilation pipe.

Further, one end of the ventilation pipe protruding from the cabinet is provided with a tapered air outlet.

By adopting the above technical scheme, the passage area of the air outlet is small, the air flow velocity of the air outlet is increased, the air circulation is promoted, and the heat dissipation efficiency is improved.

In summary, the utility model has the following beneficial effects:

1. Through the setting of cooling fan and cooling coil, it has a good cooling function and avoids excessive heat accumulation and damage to electronic components;

2. Through the setting of the heat sink, the heat sink is mainly used to increase the contact area with the air, which is conducive to the heat dissipation to the external environment and cools down the cooling water.

Description of drawings

Fig. 1 is a structural schematic diagram of a cooling electrical appliance cabinet;

Fig. 2 is a schematic structural diagram for embodying the water pump in the heat dissipation electrical cabinet;

FIG. 3 is a schematic diagram of a partially enlarged structure at point A in FIG. 1 .

In the figure, 1. cabinet body; 11. cabinet door; 12. electrical control panel; 121. control module; 13. mesh plate; 2. cooling fan; 21. net cover; 22. ventilation pipe; 221. air outlet; 3. Cooling coil; 31. Water storage tank; 311. Heat sink; 32. Water pump; 33. Contact block; 331. Support rod; 332. Locking ring.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is described in further detail.

Wherein the same components are denoted by the same reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to the directions in the drawings, and the words "bottom" and "top "Face", "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.

Embodiment: A kind of heat dissipation electric cabinet, as shown in Figure 1, comprises cabinet body 1, and cabinet body 1 is arranged in cube, and cabinet body 1 is rotatably connected with cabinet door 11, and various electronic components are installed in cabinet body 1, cabinet body 1 The body 1 is mainly used to protect the electronic components therein.

As shown in Figure 1, an electrical control board 12 is arranged on the inner wall of the cabinet body 1. The electrical control board 12 is located on the side opposite to the cabinet door 11. Various electronic components are installed on the electrical control board 12. The electrical control board 12 A control module 121 is also installed on it.

As shown in Figure 1, a number of heat dissipation fans 2 are arranged in the cabinet body 1, and the heat dissipation fans 2 are evenly arranged on the side walls of the left and right parts inside the cabinet body 1. A ventilation pipe 22 is connected, and the ventilation pipe 22 is arranged in a cylindrical shape, and the ventilation pipe 22 passes through the inner wall of the cabinet body 1 and extends out of the cabinet body 1 . One end of the cabinet body 1 protruding from the cabinet body 1 is provided with an air outlet 221, and the air outlet 221 is arranged on a conical shape. The cabinet body 1 is discharged, and at the air outlet 221, due to the reduction of the ventilation area, the air velocity is accelerated, which promotes air circulation and improves heat dissipation efficiency.

As shown in Figure 1, the inner wall of the cabinet 1 is also inlaid with a mesh plate 13, and the mesh plate 13 is located below the electrical control panel 12, so that the inside of the cabinet 1 is connected with the external environment, which is conducive to air exchange and accelerates heat dissipation. , the internal temperature of cabinet 1 decreases.

As shown in FIG. 1 and FIG. 3 , a cooling coil 3 is provided at the bottom inside the cabinet body 1 , and the cooling coil 3 is curved and serpentine in order to increase the basic area with the air. The heat dissipation coil 3 is detachably connected with a support rod 331, the support rod 331 is arranged obliquely, one end of the support rod 331 is provided with a locking ring 332, the locking ring 332 wraps the support rod 331 and is fixedly connected by bolts, the support rod 331 One end is provided with a contact block 33, and the contact block 33 is offset against the electrical control board 12. The contact block 33 is made of copper and is fixed on the electrical control board 12 by bolts.

1 and 2, the outer surface of the cabinet body 1 is provided with a water storage tank 31 filled with cooling water, the water outlet end of the water storage tank 31 is provided with a water pump 32, and the water pump 32 is connected to the water inlet end of the cooling coil 3. The water outlet end of the heat dissipation coil 3 is connected with the water inlet end of the water storage tank 31, and several cooling fins 311 are arranged vertically on the surface of the water storage tank 31, and the cooling fins 311 are arranged along the length direction of the water storage tank 31, and the contact area between the cooling fins 311 and the air is large , which is conducive to heat dissipation. When working, the water storage tank 31 and the heat dissipation coil 3 are filled with cooling water, driven by the water pump 32, the cooling water circulates in the heat dissipation coil 3, and at the same time, the contact block 33 and the electrical control board 12 transfer heat from the electrical control board 12 Into the contact block 33, the heat is transferred to the heat dissipation coil 3 through the support rod 331, thereby reducing the temperature of the electrical control board 12, and the heat is transferred to the cooling water. When the cooling water flows into the water storage tank 31, the heat is transferred to The cooling fins 311 finally radiate into the external environment to cool down the cooling water.

The specific implementation process: when working in summer with high temperature, the cooling fan 2 rotates to extract air from the cabinet body 1 to promote the gas exchange between the cabinet body 1 and the external environment and promote heat dissipation. At the same time, the heat dissipation coil 3 and the air Large contact area is conducive to absorbing heat. At the same time, the heat dissipation coil 3 can also absorb the heat generated by the electronic components from the electrical control board, and the heat is transferred to the cooling water of the heat dissipation coil 3. The cooling water brings the heat to the water storage tank 31 And diverge to the external environment, the cooling fan 2 and the cooling coil 3 work together to reduce the temperature in the cabinet 1 and reduce the possibility of failure of electronic components.

This specific embodiment is only an explanation of the utility model, and it is not a limitation of the utility model. After reading this description, those skilled in the art can make modifications to the embodiment without creative contribution according to needs, but as long as it is within the utility model All new claims are protected by patent law.

Claims (8)

1. a kind of heat dissipation Electric Appliance Cabinet, including cabinet body (1), the cabinet body (1) is rotatably connected to cabinet door (11), the cabinet body (1) It is provided on inner wall appliance controling plate (12), control module (121) is installed on the appliance controling plate (12), feature exists In: it is provided with several radiator fans (2) on the inner wall of the cabinet body (1), the cabinet body (1) is provided with the heat dissipation full of cooling water Coil pipe (3), the radiator coil tube (3) are located on the internal bottom surface of cabinet body (1).

2. a kind of heat dissipation Electric Appliance Cabinet according to claim 1, it is characterised in that: the lateral surface of the cabinet body (1) is provided with Water tank (31) full of cooling water, the water outlet of the water tank (31) and is provided with water pump (32), the water pump (32) with The water inlet end of radiator coil tube (3) is connected, and the water outlet of the radiator coil tube (3) is connected with the water inlet end of water tank (31).

3. a kind of heat dissipation Electric Appliance Cabinet according to claim 2, it is characterised in that: the surface of the water tank (31) is vertically set It sets several cooling fins (311), the cooling fin (311) is arranged along the length direction of water tank (31).

4. a kind of heat dissipation Electric Appliance Cabinet according to claim 3, it is characterised in that: the cooling fin (311) is copper sheet.

5. a kind of heat dissipation Electric Appliance Cabinet according to claim 1, it is characterised in that: detachably connect on the radiator coil tube (3) It is connected to support rod (331), one end of the inclined arrangement of the support rod (331), the support rod (331) is provided with retaining ring (332), the retaining ring (332) is wrapped up support rod (331) and is bolted to connection, the one of the support rod (331) End is provided with contact block (33), and the contact block (33) offsets with appliance controling plate (12).

6. a kind of heat dissipation Electric Appliance Cabinet according to claim 5, it is characterised in that: the contact block (33) is bolted On appliance controling plate (12), and contact block (33) is copper.

7. a kind of heat dissipation Electric Appliance Cabinet according to claim 1, it is characterised in that: the radiator fan (2) is fixedly connected with Ventilation duct (22), the ventilation duct (22) run through the inner wall of cabinet body (1).

8. a kind of heat dissipation Electric Appliance Cabinet according to claim 7, it is characterised in that: the ventilation duct (22) stretches out cabinet body (1) One end be provided with tapered air outlet (221).