CN214764294U

CN214764294U - Maintenance-free heat dissipation system

Info

Publication number: CN214764294U
Application number: CN202120404489.4U
Authority: CN
Inventors: 曹达毅; 许文才
Original assignee: Hefei Shendeng Electric Technology Co ltd
Current assignee: Hefei Shendeng Electric Technology Co ltd
Priority date: 2021-02-23
Filing date: 2021-02-23
Publication date: 2021-11-19
Anticipated expiration: 2031-02-23

Abstract

The utility model discloses a maintenance-free heat dissipation system, which comprises a dust removal box which sucks external air and discharges the air into a closed space, wherein a cathode hairiness net and an anode filter screen are arranged in the dust removal box; after being sucked into the dust removal box, the outside air is discharged from an air outlet of the dust removal box after passing through the cathode hairiness net and the anode filter screen in sequence; and a dust absorption component is also arranged in the dust removal box to absorb dust adsorbed on the anode filter screen. The utility model discloses set up the dust removal case, thereby the air gets into dust removal case back earlier through negative pole hair feather net make the dust in the air electrified, and the air passes through negative pole hair feather net back rethread positive pole filter screen, and electrified dust is adsorbed by the positive pole filter screen this moment to filter out the dust, guarantee to discharge the air in the airtight space and do not contain the dust, improved the reliability of equipment operation in cooling down in to the airtight space.

Description

Maintenance-free heat dissipation system

Technical Field

The utility model relates to a heat dissipation field specifically is a non-maintaining cooling system.

Background

High-accuracy instrument usually moves in airtight space, but often can produce a large amount of heats in the operation process, absorbs external cold air through conventional cooling system and comes to the airtight space heat dissipation, often can bring the dust in the outside air into, and the dust gets into can seriously influence the life of instrument in the high-accuracy instrument, therefore await a urgent need to solve.

Disclosure of Invention

In order to avoid and overcome the technical problem that exists among the prior art, the utility model provides a non-maintaining cooling system. The utility model discloses set up the dust removal case, thereby the air gets into dust removal case back earlier through negative pole hair feather net make the dust in the air electrified, and the air passes through negative pole hair feather net back rethread positive pole filter screen, and electrified dust is adsorbed by the positive pole filter screen this moment to filter out the dust, guarantee to discharge the air in the airtight space and do not contain the dust, improved the reliability of equipment operation in cooling down in to the airtight space.

In order to achieve the above object, the utility model provides a following technical scheme:

a maintenance-free heat dissipation system comprises a dust removal box which sucks outside air and discharges the outside air into a closed space, wherein a cathode hairiness net and an anode filter screen are arranged in the dust removal box; after being sucked into the dust removal box, the outside air is discharged from an air outlet of the dust removal box after passing through the cathode hairiness net and the anode filter screen in sequence; a dust collection assembly is arranged in the dust removal box to absorb dust adsorbed on the anode filter screen;

the dust removal box is communicated with the gas storage box to store the outside air after dust removal, the gas outlet of the gas storage box is communicated with the closed space, and a pressurizing assembly is arranged in the gas storage box; after the temperature in the closed space reaches a set temperature, the air outlet in the air storage box is opened, and the pressurizing assembly pressurizes the air storage box, so that the air stored in the air storage box is exhausted into the closed space at an accelerated speed.

As a further aspect of the present invention: an anode filter barrel is fixed in the dust removal box, the barrel wall of the anode filter barrel is an anode filter screen, and the anode filter barrel divides the inner cavity of the dust removal box into a cavity to be dedusted and a dust-free cavity.

As a further aspect of the present invention: the dust absorption subassembly includes the dust absorption mouth with the butt of anode filter screen, the dust absorption mouth hugs closely anode filter screen motion through drive structure drive and in order to absorb the absorptive dust on the anode filter screen, the dust absorption mouth is linked together through dust absorption pipe and dust exhaust pipe, the end of giving vent to anger of dust exhaust pipe is located outside the airtight space.

As a further aspect of the present invention: the driving structure is a screw rod arranged along the axial direction of the anode filter barrel body, the bracket is fixed on a nut seat of the screw rod, and the dust suction nozzle is arranged on the bracket; an elastic part is arranged on the bracket along the radial direction of the anode filter barrel, one end of the elastic part is fixed on the bracket, and the other end of the elastic part is connected and fixed with the dust suction nozzle; the dust exhaust pipe is rotatably connected with the dust suction pipe.

As a further aspect of the present invention: the dust removal box is fixed in the closed space, and an air inlet of the dust removal box is communicated with the outside through an air inlet pipe; a one-way air outlet used for exhausting air outwards is arranged in the closed space.

As a further aspect of the present invention: the pressurizing assembly comprises a partition plate and an electric push rod, the partition plate is arranged in the gas storage box, the inner cavity of the gas storage box is divided into a gas storage cavity and a driving cavity by the partition plate, the gas inlet and the gas outlet of the gas storage box are both positioned in the gas storage cavity, and the electric push rod is arranged in the driving cavity and drives the partition plate to move along the length direction of the gas storage box, so that the volume of the gas storage cavity is changed; and a ventilation port for balancing pressure intensity is arranged in the driving cavity.

As a further aspect of the present invention: the gas storage box is a double-layer box body, and the two layers of box bodies are vacuumized.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses set up the dust removal case in airtight space, thereby the air gets into dust removal case back earlier through negative pole hair feather net make the dust in the air electrified, the air passes through negative pole hair feather net back rethread positive pole filter screen, and electrified dust is adsorbed by the positive pole filter screen this moment to filter out the dust, guarantee to discharge the air in the airtight space and do not contain the dust, improved the reliability of equipment operation when cooling down in to airtight space.

2. The utility model discloses a set up the positive pole lauter tub and separate the dust removal incasement chamber for treating dust removal chamber and dustless chamber, the air is behind the negative pole hairiness net through treating the dust removal intracavity, and the dust in the air is adsorbed with the electron and is taken on the negative electricity together, can adsorb the dust after the positive electricity is led to the positive pole lauter tub. Through set up the dust absorption mouth in the dust removal case, make the positive pole filter screen butt of dust absorption mouth and positive pole lauter tub bucket wall, can inhale the absorptive dust on the positive pole filter screen when drive dust absorption mouth motion, can discharge outside the airtight space through the dust exhaust pipe after the absorption is accomplished.

3. The utility model arranges the screw rod in the dust removing box, fixes the dust suction nozzle on the bracket, drives the bracket and the dust suction nozzle to spirally lift while the screw rod rotates, thereby absorbing the dust on the wall of the anode filter barrel, and the dust absorbing rate is high; the elastic piece on the bracket is arranged, so that the dust suction nozzle can be always abutted against the anode filter screen, and the maximization of the suction force of the dust suction nozzle is ensured; the closed space exhausts air outwards through the one-way air outlet, and the balance of pressure intensity in the closed space can be guaranteed while heat is dissipated.

4. The utility model is provided with the heat-insulating gas storage tank, the dust removal tank is communicated with the gas storage tank, and the stored cold air can be discharged into the airtight space by rapidly pressurizing the gas storage tank after the cold air after dust removal is injected into the gas storage tank in advance and is fully stored, and the set temperature is reached in the airtight space, thereby achieving the effect of rapid cooling and improving the stability of the operation of the instrument in the airtight space; after the temperature is rapidly reduced, cold air is continuously conveyed into the closed space in the dust removing box, so that instruments in the closed space are maintained in a stable operation state.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a top view of the dust suction assembly of the present invention.

Fig. 3 is a schematic structural view of the dust suction assembly of the present invention.

In the figure: 1. an air inlet pipe; 2. a dust removal box; 3. a cathode hairiness net; 4. an anode filter barrel; 5. a dust collection assembly; 6. a dust exhaust pipe; 9. a gas storage tank; 10. an electric push rod; 51. a support; 52. a screw rod; 53. a dust collection pipe; 54. a dust suction nozzle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-3, in an embodiment of the present invention, a maintenance-free heat dissipation system includes a dust removal box 2 fixed in an enclosed space, the dust removal box 2 sucks air outside the enclosed space, and discharges the air into the enclosed space to thereby play a cooling effect on the enclosed space. Usually, an air inlet pipe 1 is fixed at an air inlet of the dust removal box 2, the air inlet pipe 1 is communicated with the outside, and an air suction pump is additionally arranged in the air inlet pipe 1 to play a role in air suction. The dust removal box 2 is fixed outside the closed space, a pipeline is additionally arranged at an air outlet of the dust removal box 2, and the pipeline is communicated with the inside of the closed space, so that the heat dissipation function can be realized.

A cathode filter screen 3 and an anode filter barrel 4 are arranged in the dust removing box 2, the anode filter barrel 4 divides the inner cavity of the dust removing box 2 into a cavity to be removed with dust and a dust-free cavity, and the cathode filter screen 3 is fixed in the cavity to be removed with dust. The cathode filter 3 is preferably fixed at the air inlet of the dust box 2.

After entering the dust removing box 2, the outside air firstly passes through the cathode filter screen 3. The cathode filter screen 3 forms hairiness by spinning conductive fibers, the hairiness is used as an emitter after being woven into a net, and cold-emitted electrons form electron mist. After the outside air passes through the electron fog generated by the cathode filter screen 3, dust in the air and electrons are adsorbed together and are negatively charged. The wall of the anode filter barrel 4 is an anode filter screen which is positively charged, and when the outside air is mixed with negatively charged dust and passes through the anode filter barrel 4, the dust is adsorbed on the anode filter screen. The outside air becomes dustless after passing through the anode filter screen, and is discharged into the closed space from the air outlet of the dust removal box 2, so that the temperature of the closed space is reduced.

In order to prevent the anode filter barrel 4 from being excessively dusty, a dust suction assembly 5 is usually arranged in the barrel to suck dust on the barrel wall. The dust suction assembly 5 is preferably a dust suction nozzle 54, and the dust suction nozzle 54 can be spirally lifted along with the bracket 51 by arranging the screw rod 52 in the anode filter barrel 4 along the axial direction of the barrel body, fixing the bracket 51 on the nut of the screw rod 52, and starting the screw rod 52 after the dust suction nozzle 54 is fixed on the bracket 51, so that dust adsorbed in the anode filter barrel 4 can be sucked completely.

The anode filter screen on the wall of the anode filter barrel 4 is of a double-layer structure, the inner layer of the anode filter screen is a metal power grid, the outer layer of the anode filter screen is a breathable filter screen, and the two layers of structures are tightly attached together. In order to improve the adsorption effect of the dust suction nozzle 54, an elastic member is arranged on the bracket 51 along the radial direction of the anode filter barrel 4, one end of the elastic member is fixed on the bracket 51, and the other end of the elastic member is connected and fixed with the dust suction nozzle 54. Under the elastic action of the elastic part, the dust suction nozzle 54 is always abutted against the anode filter screen, and after the negative pressure device is arranged in the dust suction nozzle 54, the maximum suction force can be ensured during dust suction. The resilient member is preferably a compression spring here.

A dust exhaust pipe 6 is arranged in the dust box 2, a dust suction pipe 53 is arranged on the dust suction nozzle 54, and the dust suction pipe 53 is rotatably connected with the dust exhaust pipe 6. After the dust is sucked by the dust suction nozzle 54, the dust passes through the dust suction pipe 53 and the dust exhaust pipe 6 in order and is discharged to the outside of the closed space. In order to ensure the normal relative rotation between the dust suction pipe 53 and the dust exhaust pipe 6, a bearing bracket is usually fixed in the dust box 2, and a bearing is fixed on the bearing bracket, so that the dust suction pipe 53 and the dust exhaust pipe 6 are connected through the bearing, and the dust exhaust pipe 6 is ensured to be stationary and the dust suction pipe 53 rotates together with the dust suction nozzle 54 in the working process.

The arrangement of the anode filter barrel 4 is only a preferred embodiment, and the anode filter screen with any shape is arranged in the dust removing box 2 for the external air to pass through, and the dust suction assembly 5 with any working mode is arranged for performing dust suction treatment on the anode filter screen. For example, an anode filter screen is fixed at the air outlet of the dust removing box 2, and a strip-shaped dust collector which rotates around the center of the screen surface is arranged on the anode filter screen, so that the function of filtering dust can be realized.

The space between the anode filter barrel 4 and the dust removal box 2 is a dust-free cavity, and after air passing through the anode filter barrel 4 enters the dust-free cavity, the air enters the closed space from the air outlet of the dust removal box 2. In order to balance the pressure intensity in the closed air, a one-way air outlet is arranged in the closed space to discharge air outwards.

The temperature sensor is arranged in the closed space, and transmits a signal to the heat dissipation system after sensing that the temperature in the closed space reaches a set temperature, and the heat dissipation system is started to extract outside air and convey the outside air into the closed space. And closing the heat dissipation system until the temperature in the closed space is reduced to be below the set temperature or the heat dissipation system is started for a specified time.

In the actual working process, the closed space needs to be rapidly cooled at some time, and the cooling speed is too low when the cooling system is started to extract air for cooling. Therefore, the air storage box 9 communicated with the dust removal box 2 is arranged in the closed space, the dust removal box 2 conveys the cold air subjected to dust removal in advance into the air storage box 9 for storage, the air storage box 9 is a heat insulation box body, and an air outlet of the air storage box 9 is communicated with the closed space. The gas storage tank 9 is usually a double-layer tank body, and the two layers of tank bodies are vacuumized, so that the heat insulation effect is achieved.

The gas storage box 9 is internally provided with a separation plate which can move along the length direction of the gas storage box 9, the separation plate separates the inner cavity of the gas storage box 9 into a gas storage cavity and a driving cavity, and the gas inlet and the gas outlet of the gas storage box 9 are both positioned in the gas storage cavity. An electric push rod 10 is arranged in the driving cavity to drive the partition plate to move, so that the volume of the air storage cavity is changed, and the electric push rod 10 can be replaced by any driving device capable of driving the partition plate to move along. And a ventilation port for balancing pressure intensity is arranged in the driving cavity.

The gas storage tank 9 is also provided with a temperature sensor for sensing the temperature in the closed space, and the gas outlet of the gas storage tank 9 is normally in a closed state. After the temperature in the closed space is sensed to reach the set temperature, the air outlet of the air storage box 9 and the electric push rod 10 are opened, the electric push rod 10 pushes the partition plate to move towards the direction of the air outlet, so that the space of the air storage cavity is compressed, air stored in the air storage box 9 in advance is rapidly sprayed into the closed space, and the effect of rapidly cooling is achieved; then the dust removal case 2 is continuously transported the cold air to the airtight space again and reaches continuous cooling effect.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A maintenance-free heat dissipation system is characterized by comprising a dust removal box (2) which sucks outside air and discharges the outside air into a closed space, wherein a cathode hairiness net (3) and an anode filter screen are arranged in the dust removal box (2); after being sucked into the dust removal box (2), the outside air is discharged from an air outlet of the dust removal box (2) after passing through the cathode hairiness net (3) and the anode filter screen in sequence; a dust collection assembly (5) is also arranged in the dust removal box (2) to absorb dust adsorbed on the anode filter screen;

the dust removal box (2) is communicated with the gas storage box (9) to store the outside air after dust removal, the gas outlet of the gas storage box (9) is communicated with the closed space, and a pressurizing assembly is arranged in the gas storage box (9); after the temperature in the closed space reaches the set temperature, the air outlet in the air storage box (9) is opened and the pressurizing assembly pressurizes the air storage box (9), so that the air stored in the air storage box (9) is exhausted into the closed space at an accelerated speed.

2. The maintenance-free heat dissipation system of claim 1, wherein an anode filter barrel (4) is fixed in the dust removal box (2), a barrel wall of the anode filter barrel (4) is an anode filter screen, and the anode filter barrel (4) divides an inner cavity of the dust removal box (2) into a cavity to be cleaned and a dust-free cavity.

3. The maintenance-free heat dissipation system of claim 2, wherein the dust collection assembly (5) comprises a dust collection nozzle (54) abutted to the anode filter screen, the dust collection nozzle (54) is driven by a driving structure to be tightly attached to the anode filter screen to move so as to collect dust adsorbed on the anode filter screen, the dust collection nozzle (54) is communicated with the dust exhaust pipe (6) through a dust collection pipe (53), and the air outlet end of the dust exhaust pipe (6) is located outside the closed space.

4. The maintenance-free heat dissipation system of claim 3, wherein the driving structure is a screw rod (52) arranged along the axial direction of the barrel body of the anode filter barrel (4), the bracket (51) is fixed on a nut seat of the screw rod (52), and the dust suction nozzle (54) is installed on the bracket (51); an elastic part is arranged on the support (51) along the radial direction of the anode filter barrel (4), one end of the elastic part is fixed on the support (51), and the other end of the elastic part is connected and fixed with a dust suction nozzle (54); the dust exhaust pipe (6) is rotatably connected with the dust suction pipe (53).

5. The maintenance-free heat dissipation system of claim 4, wherein the dust removal box (2) is fixed in the closed space, and an air inlet of the dust removal box (2) is communicated with the outside through an air inlet pipe (1); a one-way air outlet used for exhausting air outwards is arranged in the closed space.

6. The maintenance-free heat dissipation system of any one of claims 1 to 5, wherein the pressurization assembly comprises a partition plate and an electric push rod (10), the partition plate is arranged in the air storage tank (9) and divides an inner cavity of the air storage tank (9) into an air storage cavity and a driving cavity, an air inlet and an air outlet of the air storage tank (9) are both located in the air storage cavity, and the electric push rod (10) is arranged in the driving cavity and drives the partition plate to move along the length direction of the air storage tank (9), so that the volume of the air storage cavity is changed; and a ventilation port for balancing pressure intensity is arranged in the driving cavity.

7. The maintenance-free heat dissipation system of claim 6, wherein the gas storage tank (9) is a double-layer tank body, and a vacuum treatment is performed between the two layers of tank bodies.