Heat dissipation structure, air conditioner outdoor unit, air conditioner and demonstration device

By designing a heat dissipation structure including a radiator, air outlet pipe, liquid return pipe and refrigerant ring, the problem of insufficient heat dissipation of high-heat structures such as electronic control modules in high temperature environment of air conditioning outdoor units is solved, efficient heat dissipation is achieved, safety and reliability are improved, and service life is extended.

CN222911818UActive Publication Date: 2025-05-27MIDEA GROUP CO LTD +1
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Patent Information

Application Number
CN202421872981.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-02
Publication Date
2025-05-27
Estimated Expiration
2034-08-02

AI Technical Summary

Technical Problem

When the air-conditioning outdoor unit is running in a high temperature environment, the working temperature of high-heating structures such as electronic control modules is too high, resulting in failure or damage, affecting operating reliability, safety and service life. The prior art air-cooled heat dissipation effect is poor and the heat dissipation is insufficient.

Method used

A heat dissipation structure is designed, including a radiator, air outlet pipe, liquid return pipe and refrigerant ring. The refrigerant ring is located below the radiator and includes a substrate and a refrigerant pipe. The air outlet pipe and liquid return pipe are connected to the heat exchange pipe. The two ends of the refrigerant pipe are connected to the air outlet pipe and the liquid return pipe respectively to realize the refrigerant self-circulation.

Benefits of technology

It improves the heat dissipation efficiency of heating structures such as electronic control modules, enhances safety and reliability, extends service life, and reduces costs and reduces vibration and noise.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222911818U_ABST
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Abstract

The utility model discloses a heat dissipation structure, an air conditioner outdoor unit, an air conditioner and a demonstration device. The heat dissipation structure comprises a radiator, an air outlet pipe, a liquid return pipe and a refrigerant ring. A heat exchange tube is arranged in the radiator; one end of the air outlet pipe is connected with one end of the heat exchange pipe; one end of the liquid return pipe is connected with the other end of the heat exchange pipe; the refrigerant ring is located below the radiator and comprises a base plate and a refrigerant pipe, the refrigerant pipe is embedded in the base plate, and the two ends of the refrigerant pipe are connected with the end, away from the heat exchange pipe, of the air outlet pipe and the end, away from the heat exchange pipe, of the liquid return pipe correspondingly. According to the heat dissipation structure, the heat dissipation structure is high in heat dissipation efficiency, good in heat dissipation effect and low in cost, the safety and reliability of heating structures such as the electric control module can be improved, and the service life of the heating structures can be prolonged.
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Claims

1. A heat dissipation structure, characterized in that: include: A radiator, wherein the radiator has a heat exchange tube; An air outlet pipe, one end of which is connected to one end of the heat exchange pipe; A liquid return pipe, one end of which is connected to the other end of the heat exchange pipe; A refrigerant ring is located below the radiator and includes a base plate and a refrigerant tube. The refrigerant tube is embedded in the base plate. Both ends of the refrigerant tube are respectively connected to one end of the air outlet pipe away from the heat exchange tube and one end of the liquid return pipe away from the heat exchange tube.

2. The heat dissipation structure according to claim 1, characterized in that: The heat exchange tubes are multiple and spaced apart, each of which is a U-shaped heat exchange tube with its opening facing downwards, and the air outlet pipe and the liquid return pipe are located below the radiator and at least partially above the refrigerant ring.

3. The heat dissipation structure according to claim 2, characterized in that: The plurality of heat exchange tubes are arranged at intervals along a width direction of the radiator, and the width direction of the radiator is parallel to a horizontal plane.

4. The heat dissipation structure according to claim 3, characterized in that: Each of the heat exchange tubes comprises a curved tube section and a first straight tube section and a second straight tube section connected to both ends of the curved tube section, wherein one end of the first straight tube section away from the curved tube section is connected to the gas outlet pipe, and one end of the second straight tube section away from the curved tube section is connected to the liquid return pipe. Multiple first straight pipe sections are located on the same side of the radiator in the thickness direction, multiple second straight pipe sections are located on the same side of the radiator in the thickness direction and on the opposite side of the radiator in the thickness direction as the first straight pipe sections, and the thickness direction of the radiator is parallel to the horizontal plane.

5. The heat dissipation structure according to claim 4, characterized in that: The first straight tube section and the second straight tube section of the same heat exchange tube are staggered in the width direction of the radiator; And / or, a plurality of the first straight pipe segments and a plurality of the second straight pipe segments are alternately arranged in a width direction of the radiator.

6. The heat dissipation structure according to claim 2, characterized in that: Also includes: An air outlet manifold, one end of each of the heat exchange tubes is connected to the air outlet manifold, and one end of the air outlet manifold is connected to an end of the air outlet pipe that is away from the refrigerant pipe; A liquid return header, the other end of each heat exchange tube is connected to the liquid return header, one end of the liquid return header is connected to the end of the liquid return pipe away from the refrigerant pipe, wherein the air outlet header and the liquid return header are both located below the radiator.

7. The heat dissipation structure according to claim 6, characterized in that: The gas outlet manifold has a plurality of first connecting tubes extending upward, the plurality of first connecting tubes are arranged at intervals along the length direction of the gas outlet manifold, and each of the first connecting tubes is connected to at least one of the heat exchange tubes; And / or, the liquid return header has a plurality of second connecting tubes extending upward, the plurality of second connecting tubes are arranged at intervals along the length direction of the liquid return header, and each of the second connecting tubes is connected to at least one of the heat exchange tubes.

8. The heat dissipation structure according to claim 6, characterized in that: At least one of the gas outlet manifold and the liquid return manifold is arranged horizontally; And / or, the gas outlet manifold is arranged obliquely relative to a horizontal plane, and the height of one end of the gas outlet manifold connected to the gas outlet pipe is lower than the height of the other end; And / or, the liquid return collecting pipe is arranged to be inclined relative to a horizontal plane, and the height of one end of the liquid return collecting pipe connected to the liquid return pipe is lower than the height of the other end.

9. The heat dissipation structure according to claim 8, characterized in that: The outlet manifold is tilted relative to the horizontal plane and the angle between the outlet manifold and the horizontal plane is 0-5°; And / or, the liquid return manifold is inclined relative to the horizontal plane and the angle between the liquid return manifold and the horizontal plane is 0-5°.

10. The heat dissipation structure according to claim 8, characterized in that: The gas outlet manifold is arranged parallel to the horizontal plane, the liquid return manifold is arranged inclined relative to the horizontal plane, and the height of the liquid return manifold is lower than that of the gas outlet manifold.

11. The heat dissipation structure according to claim 2, characterized in that: The air outlet pipe has a first inclined pipe section, the first inclined pipe section is inclined relative to the horizontal plane, and the height of one end of the first inclined pipe section close to the heat exchange pipe is higher than the height of the other end; And / or, the liquid return pipe has a second inclined pipe section, the second inclined pipe section is inclined relative to the horizontal plane, and the height of one end of the second inclined pipe section close to the heat exchange pipe is higher than the height of the other end.

12. The heat dissipation structure according to claim 11, characterized in that: The angle between the first inclined pipe section and the horizontal plane is 0-15°; and / or, the angle between the second inclined pipe section and the horizontal plane is 0-6°; And / or, the angle between the first inclined pipe section and the horizontal plane is greater than the angle between the second inclined pipe section and the horizontal plane.

13. The heat dissipation structure according to claim 1, characterized in that: The refrigerant pipe is formed in a U shape.

14. The heat dissipation structure according to claim 13, characterized in that: The straight pipe section of the refrigerant pipe extends along the length direction of the base plate, and the length direction of the base plate is arranged along the up-down direction or horizontally.

15. An air conditioner outdoor unit, characterized in that: include: Electronic control module; According to the heat dissipation structure according to any one of claims 1-14, the substrate is suitable for being attached to the electronic control module to dissipate heat for the electronic control module.

16. An air conditioner, characterized in that: Comprising the air conditioner outdoor unit according to claim 15.

17. A demonstration device, characterized in that: include: A heat dissipation structure according to any one of claims 1 to 14.