CN219145951U

CN219145951U - Case side wall heat abstractor

Info

Publication number: CN219145951U
Application number: CN202222614153.8U
Authority: CN
Inventors: 史建华; 庄东曙; 方中海; 孙维林; 谢金金
Original assignee: Nanjing Panda Electronics Co Ltd; Nanjing Panda Communication Technology Co Ltd
Current assignee: Nanjing Panda Electronics Co Ltd; Nanjing Panda Communication Technology Co Ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-06-06
Anticipated expiration: 2032-09-30

Abstract

The utility model discloses a case side wall heat abstractor, which comprises a case body consisting of four case side walls, an upper cover plate and a lower cover plate, wherein an electric element is arranged in the case body, and the heat abstractor comprises: the heat conduction unit is arranged on the side wall of the case, is connected with the electrical components and is used for radiating the electrical components; the side wall cover plate is arranged on the outer side of the side wall of the case in parallel, and a panel is arranged between the two ends of the side wall cover plate and the side wall of the case; the air inlet and the air outlet are arranged on the two end panels, and the negative pressure supply unit is used for carrying out negative pressure on the channel, sucking air from the air inlet, radiating through the heat conduction unit and then discharging the air from the air outlet; the device realizes the independent sealing of the air duct by utilizing the size space of the side wall of the case under the condition of not occupying the internal space of the equipment, thereby solving the heat dissipation problem of the electrical components in the case equipment and ensuring the tightness of the inside of the equipment; thereby ensuring the working stability of the equipment under severe environments such as damp heat, salt fog, dust and the like, and prolonging the service life of the equipment.

Description

Case side wall heat abstractor

Technical Field

The utility model relates to the field of heat dissipation of electronic products, in particular to a heat dissipation device for a side wall of a case.

Background

The electronic devices of the chassis generally need to utilize fans to perform forced air cooling and heat dissipation on components with high heat productivity inside so as to ensure the stable operation of the devices. Conventionally, an open type air duct structure is designed, cold air outside the equipment exchanges heat with the electric elements through the air duct, and then the heat is discharged out of the equipment. The method has the advantages that the cold air directly exchanges heat with the electric elements, and the heat dissipation efficiency is high. The disadvantage of this is that the components inside the device are exposed to the external environment. In complex environments, such as salt mist, damp and hot environments and dust environments, the running stability of equipment and the service life of the equipment are greatly affected.

In a complex environment, in order to ensure the running stability of the equipment and improve the service life of the equipment, the inside of the equipment needs to be sealed, and components inside the equipment are isolated from the outside. This situation is not met by conventional direct duct designs.

Disclosure of Invention

The purpose is as follows: in order to overcome the defects in the prior art, the utility model provides a heat dissipation device for realizing independent air duct sealing of equipment by utilizing the size space of the side wall of a case

The technical scheme is as follows: in order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a quick-witted case lateral wall heat abstractor, includes the box that four quick-witted case lateral walls, upper cover plate and lower apron are constituteed, and the inside electrical components that is provided with of box, its characterized in that still includes the lateral wall apron, lateral wall apron parallel arrangement with the quick-witted case lateral wall outside, with travel cavity between the quick-witted case lateral wall, be equipped with in the cavity:

the heat conduction unit is connected with the electrical components through the side wall of the case and used for radiating the electrical components;

the negative pressure supply unit is arranged at one end of the cavity and is used for forming negative pressure in the cavity;

the air inlet is arranged on the side wall of the case at one side of the case body, which is close to one end of the cavity;

the air outlet is arranged on the side wall of the case at one side, close to the other end of the cavity, of the case body;

under the operation of the negative pressure supply unit, cold air is sucked from the air inlet and discharged from the air outlet after passing through the heat conducting unit in the cavity.

Preferably: the heat conducting unit is a fin-shaped radiating fin.

Preferably: the negative pressure supply unit is an eddy current fan.

Preferably: the heat conduction unit is flexible heat conduction silicone grease or graphene.

Preferably: the heat conduction unit and the negative pressure supply unit are arranged on the side wall of the case on at least one side.

Compared with the prior art, the utility model has the following beneficial effects:

according to the structure, the independent sealing of the air duct is realized by utilizing the size space of the side wall of the case under the condition that the internal space of the equipment is not occupied, so that the heat dissipation problem of the electrical components in the case equipment is solved, and the tightness of the internal part of the equipment is ensured. Thereby ensuring the working stability of the equipment under severe environments such as damp heat, salt fog, dust and the like, and prolonging the service life of the equipment.

Drawings

FIG. 1 is a schematic diagram of a closed duct on a side wall of a cabinet apparatus;

FIG. 2 is a schematic diagram of a chassis apparatus;

in the figure: 1 is a case side wall, 2 is a side wall cover plate, 3 is a front panel, 4 is a rear panel, 5 is an eddy fan, 6 is an electrical element, 7 is a lower cover plate, 8 is an upper cover plate, 9 is an air inlet, and 10 is an air outlet.

Detailed Description

The present utility model is further illustrated in the accompanying drawings and detailed description which are to be understood as being merely illustrative of the utility model and not limiting of its scope, and various equivalent modifications to the utility model will fall within the scope of the appended claims to the skilled person after reading the utility model.

As shown in fig. 1, the heat dissipation device for a side wall 1 of a chassis includes four side walls 1 of the chassis, an upper cover plate 8 and a lower cover plate 7, and an electrical element 6 is disposed in the interior of the chassis, and the heat dissipation device is characterized by further including a side wall cover plate 2, wherein the side wall cover plate 2 is disposed in parallel with the outer side of the side wall 1 of the chassis, and a travel cavity is formed between the side wall 1 of the chassis and the side wall 1 of the chassis, and is provided with:

the heat conduction unit passes through the side wall 1 of the case and is connected with the electrical element 6, and is used for radiating heat of the electrical element 6;

the air inlet 9 is arranged on the side wall 1 of the case at one side of the case body, which is close to one end of the cavity;

the air outlet 10 is arranged on the side wall 1 of the case body on one side close to the other end of the cavity;

under the operation of the negative pressure supply unit, cold air is sucked from the air inlet 9, passes through the heat conducting unit in the cavity, and is discharged from the air outlet 10.

And the negative pressure supply unit is arranged at the end part of the side wall 1 of the case and is used for carrying out negative pressure on a channel formed by the side wall cover plate 2 and the side wall 1 of the case, and air sucked in from the air inlet 9 is discharged from the air outlet 10 after being radiated through the heat conducting unit.

The side wall cover plate 2, the case side wall 1, the front panel 3, the rear panel 4, the upper cover plate 8 and the lower cover plate 7 form independent air channels, and the negative pressure supply unit is an eddy fan 5.

The heat conduction unit and the negative pressure supply unit are arranged on the side wall 1 of the chassis on at least one side and are used for improving the heat dissipation effect of the chassis.

The heat-conducting unit is a fin-shaped radiating fin and is connected with a heating element in the case for radiating heat of the heat-conducting unit;

the side wall cover plate 2 is arranged on the opposite side of the side wall 1 of the case in parallel;

the heat conduction unit is flexible heat conduction silicone grease or graphene.

The implementation steps of the heat dissipating device mode are as follows:

1. the side wall 1 and the side wall cover plate 2 of the case are fixed into a whole in advance through screws to form an air duct structure main body with independent closed side walls. If necessary, the left and right side walls can be independently sealed.

2. The vortex fan 5 is fixed at the opening of the inner side of the side wall 1 of the case, and the air inlet and outlet directions of the fan 5 are required to be paid attention to.

3. And (3) assembling the whole assembly machine, namely assembling the independent air duct components assembled in the steps 1 and 2 with the front panel 3, the rear panel 4, the lower cover plate 77 and the upper cover plate 8, so as to realize the sealing of the inside of the equipment.

The implementation principle of the heat dissipating device mode is as follows:

1. when the equipment works, heat generated by the electric element 6 is conducted to the side wall 1 of the 1 machine box in a heat conduction mode, and if the heat conduction efficiency is required to be improved, the heat of the electric element 6 can be conducted to the 1 machine box by adopting heat conduction materials such as flexible heat conduction silicone grease or graphene.

2. The side wall 1 of the case adopts a hard aluminum alloy with high heat conductivity as a processing material, various complex structures can be realized through mechanical processing, the outer side of the case in the figure is designed into a radiating fin shape, the radiating area is increased, the direction of the fin is the same as the direction of air flow, and the radiating efficiency is improved.

3. When the equipment is in operation, the vortex fan 5 works to form negative pressure in the air channel, cold air enters the independent air channel from the opening A of the front panel 3, heat exchange is completed between the cold air and the side wall 1 of the case in the air channel, and hot air is discharged from the opening B of the rear panel 4.

4. After the equipment works stably for a period of time, a thermal balance state is achieved, and the temperature of the electrical element 6 and the temperature of the side wall 1 of the case tend to be stable.

When the air conditioner is used, the vortex fan 5 is started, the upper cover plate 7, the lower cover plate, the side wall 1 of the case, the side wall cover plate 2 and the front panel and the rear panel 4 form an independent air channel to be in a negative pressure state, the air inlet 9 on the front panel 3 starts to be air-in due to the negative pressure state, cold air entering the cavity from the outside contacts the cooling fins on the side wall 1 of the case, heat emitted by the heating element in the case is conducted onto the cooling fins, the cooling is carried out by contacting with the external cold air, and then air absorbing the heat of the cooling fins is discharged from the air outlet 10 arranged on the rear panel 4 under the action of the vortex fan 5, so that the cooling is completed.

The foregoing is only a preferred embodiment of the utility model, it being noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present utility model, and such modifications and adaptations are intended to be comprehended within the scope of the utility model.

Claims

1. The utility model provides a quick-witted case lateral wall heat abstractor, includes the box that four quick-witted case lateral walls, upper cover plate and lower apron are constituteed, and the inside electrical components that is provided with of box, its characterized in that still includes the lateral wall apron, the lateral wall apron parallel arrangement in the quick-witted case lateral wall outside with form the cavity between the quick-witted case lateral wall, be equipped with in the cavity:

2. The cabinet side wall heat sink according to claim 1, wherein: the heat conducting unit is a fin-shaped radiating fin.

3. The cabinet side wall heat sink according to claim 1, wherein: the negative pressure supply unit is an eddy current fan.

4. The cabinet side wall heat sink according to claim 1, wherein: the heat conduction unit is flexible heat conduction silicone grease or graphene.

5. The cabinet side wall heat sink according to claim 1, wherein: the heat conduction unit and the negative pressure supply unit are arranged on the side wall of the case on at least one side.