CN222911818U - Heat dissipation structure, air conditioner outdoor unit, air conditioner and demonstration device - Google Patents

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 includes: a radiator, an air outlet pipe, a liquid return pipe and a refrigerant ring. A heat exchange pipe is provided in the radiator; one end of the air outlet pipe is connected to one end of the heat exchange pipe; one end of the liquid return pipe is connected to the other end of the heat exchange pipe; the refrigerant ring is located below the radiator and includes a substrate and a refrigerant pipe, the refrigerant pipe is embedded in the substrate, and the two ends of the refrigerant pipe are respectively connected to one end of the air outlet pipe away from the heat exchange pipe and one end of the liquid return pipe away from the heat exchange pipe. According to the heat dissipation structure of the utility model, the heat dissipation structure has high heat dissipation efficiency, good heat dissipation effect and low cost, and can improve the safety, reliability and service life of heating structures such as electronic control modules.

Description

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

Technical Field

The present utility model relates to the field of heat sinks, and in particular, to a heat dissipation structure, an air conditioner outdoor unit, an air conditioner, and a demonstration device.

Background

In the related art, when the air conditioner outdoor unit operates in a high-temperature environment, the working temperature of a high-heating structure such as an electric control module is easy to be too high, so that the high-heating structure such as the electric control module is failed or damaged, and the operation reliability, safety and service life of the electric control module are seriously affected. The existing air conditioner outdoor unit generally adopts a traditional air cooling mode to cool high heating structures such as an electric control module, but has poor heat dissipation effect and still has the problem of insufficient heat dissipation capacity.

Disclosure of utility model

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the heat radiation structure which has high heat radiation efficiency, good heat radiation effect and low cost, and can improve the safety, the reliability and the service life of the heating structures such as the electric control module and the like.

The utility model also provides an air conditioner outdoor unit which comprises the heat radiation structure.

The utility model also provides an air conditioner comprising the air conditioner outdoor unit.

The utility model further provides a demonstration device, which comprises the heat dissipation structure.

The heat radiation structure comprises a radiator, an air outlet pipe, a liquid return pipe and a refrigerant ring. The radiator is internally provided with a heat exchange tube, one end of the air outlet tube is connected with one end of the heat exchange tube, one end of the liquid return tube is connected with the other end of the heat exchange tube, the refrigerant ring is positioned below the radiator and comprises a base plate and a refrigerant tube, the refrigerant tube is embedded in the base plate, and two ends of the refrigerant tube are respectively connected with one end of the air outlet tube, which is away from the heat exchange tube, and one end of the liquid return tube, which is away from the heat exchange tube.

According to the heat radiation structure provided by the embodiment of the utility model, the refrigerant ring provided with the substrate and the refrigerant pipe is positioned below the radiator provided with the heat exchange pipe, 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, and two ends of the refrigerant pipe are respectively connected with one end of the air outlet pipe, which is away from the heat exchange pipe, and one end of the liquid return pipe, which is away from the heat exchange pipe, so that the heat radiation structure can be used for efficiently radiating heat of the heat generation structure such as the electronic control module. Meanwhile, the refrigerant self-circulation can be realized without additionally arranging a driving device, so that the cost can be reduced, vibration and noise can be reduced, and the running reliability of the heat dissipation structure can be improved.

According to some embodiments of the utility model, the heat exchange tubes are a plurality of heat exchange tubes arranged at intervals, each heat exchange tube is a U-shaped heat exchange tube with a downward opening, and the air outlet tube and the liquid return tube are positioned below the radiator and at least partially above the refrigerant ring.

In some embodiments of the present utility model, a plurality of the 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.

In some embodiments of the present utility model, each heat exchange tube includes a bent tube section, and a first straight tube section and a second straight tube section connected to both ends of the bent tube section, one end of the first straight tube section facing away from the bent tube section is connected to the air outlet pipe, one end of the second straight tube section facing away from the bent tube section is connected to the liquid return tube, a plurality of the first straight tube sections are located on the same side in the thickness direction of the radiator, a plurality of the second straight tube sections are located on the same side in the thickness direction of the radiator and on opposite sides in the thickness direction of the radiator from the first straight tube sections, and the thickness direction of the radiator is parallel to a horizontal plane.

In some embodiments of the present utility model, the first straight tube sections and the second straight tube sections of the same heat exchange tube are arranged offset in the width direction of the radiator, and/or the plurality of first straight tube sections and the plurality of second straight tube sections are alternately arranged in the width direction of the radiator.

In some embodiments of the present utility model, the heat dissipating structure further includes an air outlet header and a liquid return header, one end of each of the heat exchange tubes is connected to the air outlet header, one end of the air outlet header is connected to one end of the air outlet tube, which is away from the refrigerant tube, and the other end of each of the heat exchange tubes is connected to the liquid return header, one end of the liquid return header is connected to one end of the liquid return tube, which is away from the refrigerant tube, wherein the air outlet header and the liquid return header are both located below the heat sink.

In some embodiments of the present utility model, the gas outlet header has a plurality of first connection pipes extending upward, the plurality of first connection pipes are arranged at intervals along the length direction of the gas outlet header, each of the first connection pipes is connected with at least one heat exchange pipe, and/or the liquid return header has a plurality of second connection pipes extending upward, the plurality of second connection pipes are arranged at intervals along the length direction of the liquid return header, and each of the second connection pipes is connected with at least one heat exchange pipe.

In some embodiments of the utility model, at least one of the air outlet header and the liquid return header is arranged horizontally, and/or the air outlet header is arranged obliquely relative to a horizontal plane, and/or the height of one end of the air outlet header, which is connected with the air outlet pipe, is lower than the height of the other end of the air outlet header, and/or the liquid return header is arranged obliquely relative to the horizontal plane, and the height of one end of the liquid return header, which is connected with the liquid return pipe, is lower than the height of the other end of the liquid return header.

In some embodiments of the utility model, the outlet header is disposed at an angle of 0-5 ° to the horizontal, and/or the return header is disposed at an angle of 0-5 ° to the horizontal.

In some embodiments of the present utility model, the air outlet header is disposed parallel to a horizontal plane, the liquid return header is disposed obliquely to the horizontal plane, and the liquid return header is lower in height than the air outlet header.

In some embodiments of the utility model, the outlet pipe has a first inclined pipe section which is inclined with respect to a horizontal plane and has a height which is higher than that of one end of the heat exchange pipe than that of the other end, and/or the return pipe has a second inclined pipe section which is inclined with respect to the horizontal plane and has a height which is higher than that of one end of the heat exchange pipe than that of the other end.

In some embodiments of the utility model, the angle between the first inclined tube section and the horizontal plane is 0-15 degrees, and/or the angle between the second inclined tube section and the horizontal plane is 0-6 degrees, and/or the angle between the first inclined tube section and the horizontal plane is greater than the angle between the second inclined tube section and the horizontal plane.

According to some embodiments of the utility model, the refrigerant tube is formed in a U-shape.

In some embodiments of the present utility model, the straight pipe section of the refrigerant pipe extends along the length direction of the substrate, and the length direction of the substrate is arranged in the up-down direction or in the horizontal direction.

The air conditioner outdoor unit comprises the electronic control module and the heat dissipation structure, wherein the substrate is suitable for being attached to the electronic control module and used for dissipating heat of the electronic control module.

According to the air conditioner outdoor unit provided by the embodiment of the utility model, the refrigerant ring provided with the substrate and the refrigerant pipe is positioned below the radiator provided with the heat exchange pipe, 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, two ends of the refrigerant pipe are respectively connected with one end of the air outlet pipe, which is away from the heat exchange pipe, and one end of the liquid return pipe, which is away from the heat exchange pipe, and the substrate is attached with the electric control module, so that the electric control module can be efficiently radiated. Meanwhile, the refrigerant self-circulation can be realized without additionally arranging a driving device, so that the cost can be reduced, vibration and noise can be reduced, and the heat dissipation structure and the operation reliability of the air conditioner outdoor unit can be improved.

The air conditioner comprises the air conditioner outdoor unit.

According to the air conditioner provided by the embodiment of the utility model, the refrigerant ring provided with the substrate and the refrigerant pipe is arranged below the radiator provided with the heat exchange pipe, 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, two ends of the refrigerant pipe are respectively connected with one end of the air outlet pipe, which is away from the heat exchange pipe, and one end of the liquid return pipe, which is away from the heat exchange pipe, and the substrate is attached with the electric control module, so that the electric control module can be efficiently radiated. Meanwhile, the refrigerant self-circulation can be realized without additionally arranging a driving device, so that the cost can be reduced, vibration and noise can be reduced, and the heat dissipation structure and the operation reliability of the air conditioner can be improved.

The demonstration device provided by the embodiment of the utility model comprises the heat dissipation structure.

According to the demonstration device provided by the embodiment of the utility model, the refrigerant ring provided with the substrate and the refrigerant pipe is positioned below the radiator provided with the heat exchange pipe, 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, two ends of the refrigerant pipe are respectively connected with one end of the air outlet pipe, which is away from the heat exchange pipe, and one end of the liquid return pipe, which is away from the heat exchange pipe, so that the heat dissipation effect of the heat dissipation structure is better compared with that of air cooling, thereby improving the safety and reliability of the heat dissipation structure, prolonging the service life of the heat dissipation structure, and further being beneficial to improving the operation stability and reliability of the demonstration device. Meanwhile, the refrigerant self-circulation can be realized without additionally arranging a driving device, so that the cost can be reduced, the vibration and the noise can be reduced, and the heat dissipation structure and the operation reliability of the demonstration device can be improved.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

fig. 1 is a front view of a heat dissipating structure according to an embodiment of the present utility model;

FIG. 2 is a front view of a heat dissipating structure according to another embodiment of the present utility model;

fig. 3 is a cross-sectional view of a coolant loop of a heat dissipation structure according to an embodiment of the present utility model.

Reference numerals:

100. A heat dissipation structure;

1. Radiator, 11, heat exchange tube, 111, bend tube segment, 112, first straight tube segment, 113, second straight tube segment;

2. The air outlet pipe is 21, a first inclined pipe section;

3. A liquid return pipe, a second inclined pipe section;

4. refrigerant ring 41, base plate 42, refrigerant pipe 421, straight pipe section;

5. 51, a first connecting pipe;

6. and 61, a liquid return collecting pipe and a second connecting pipe.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

A heat dissipation structure 100 according to an embodiment of the present utility model is described below with reference to the accompanying drawings.

As shown in fig. 1 and 2, a heat dissipation structure 100 according to an embodiment of the present utility model includes a heat sink 1, an air outlet pipe 2, a liquid return pipe 3, and a refrigerant ring 4.

Specifically, as shown in fig. 1, 2 and 3, the heat exchanger tube 11 is provided in the radiator 1, one end of the air outlet tube 2 is connected with one end of the heat exchanger tube 11, one end of the liquid return tube 3 is connected with the other end of the heat exchanger tube 11, the refrigerant ring 4 is located below the radiator 1 (below in the vertical direction or the gravity direction) and includes a base plate 41 and a refrigerant tube 42, the refrigerant tube 42 is embedded in the base plate 41, and two ends of the refrigerant tube 42 are respectively connected with one end of the air outlet tube 2, which is away from the heat exchanger tube 11, and one end of the liquid return tube 3, which is away from the heat exchanger tube 11.

It can be understood that the two ends of the liquid return pipe 3 are respectively connected with one end of the heat exchange pipe 11 and one end of the refrigerant pipe 42, and the two ends of the air outlet pipe 2 are respectively connected with the other end of the heat exchange pipe 11 and the other end of the refrigerant pipe 42, so that the heat exchange pipe 11, the liquid return pipe 3, the refrigerant pipe 42 and the air outlet pipe 2 are sequentially connected to form a complete pipeline loop, and the refrigerant is circulated in the pipeline loop to realize heat exchange.

The refrigerant ring 4 can play a role in absorbing heat, the refrigerant pipe 42 is embedded in the substrate 41, a groove matched with the refrigerant pipe 42 is formed in the substrate 41, the refrigerant pipe 42 is arranged in the groove, the outer surface of the refrigerant pipe 42 is attached to the substrate 41, the contact area between the refrigerant pipe 42 and the substrate 41 can be ensured, and therefore the heat exchange effect between the refrigerant pipe 42 and the substrate 41 is ensured. The refrigerant flows in the refrigerant pipe 42, and exchanges heat with the outside through the refrigerant pipe 42 and the substrate 41.

Further, the substrate 41 is suitable for being attached to a heat generating structure such as an electronic control module with high heat generation in an outdoor unit of an air conditioner, and is used for dissipating heat of the heat generating structure such as the electronic control module. The substrate 41 can effectively increase the heat exchange area of the heating structures such as the refrigerant and the electronic control module, so that the heat exchange efficiency can be improved. The refrigerant is heated and gasified in the refrigerant pipe 42 and is changed from a liquid state to a gas state, so that heat of the heating structures such as the electric control module and the like is taken away, and the temperature of the heating structures such as the electric control module and the like is in a proper working temperature range. The gaseous refrigerant in the refrigerant pipe 42 can flow upward from the refrigerant ring 4 to the radiator 1 through the pipe.

In addition, the radiator 1 can exchange heat with the external environment, and condense and dissipate heat. The refrigerant flows in the heat exchange tube 11 and releases heat to the external environment, thereby changing from a gaseous state to a liquid state. The arrangement position of the radiator 1 is higher than that of the refrigerant ring 4, so that the liquid refrigerant at the radiator 1 can flow to the refrigerant ring 4 from top to bottom by self gravity.

In a specific working process of the heat dissipation structure 100, the liquid refrigerant in the refrigerant ring 4 absorbs heat of the heat generation structure, such as an electronic control module, and evaporates into a gaseous refrigerant, and the gaseous refrigerant at the refrigerant ring 4 can spontaneously flow to the heat sink 1 from bottom to top along the air outlet pipe 2 and the liquid return pipe 3 due to the fact that the density of the gaseous refrigerant is lower than that of the liquid refrigerant. The radiator 1 can condense the gaseous refrigerant into liquid refrigerant, that is, the refrigerant exchanges heat with air and the like in the radiator 1, the liquid refrigerant is formed after the gaseous refrigerant releases heat, the liquid refrigerant at the radiator 1 spontaneously flows into the refrigerant ring 4 from top to bottom along the air outlet pipe 2 and the liquid return pipe 3 under the action of gravity, thereby forming a cycle, and cooling the heating structure such as an electronic control module is realized.

In the application, the heat dissipation structure 100 utilizes the action of gravity to realize the absorption and release of heat through the phase change and the flow of the refrigerant, thereby carrying out high-efficiency heat dissipation on the heating structures such as the electric control module, compared with the traditional air-cooled heat dissipation, the heat dissipation structure 100 has higher heat exchange coefficient, can effectively improve the cooling efficiency and the heat dissipation effect of the heating structures such as the electric control module, thereby reducing the risk of failure or damage of the heating structures such as the electric control module due to overheating, further improving the operation safety and reliability of the heating structures such as the electric control module, and prolonging the service life of the heating structures such as the electric control module.

The whole working process of the heat radiation structure 100 is based on the density difference and potential energy conversion of the refrigerant, so that the heat radiation structure 100 can realize self-circulation flow of the refrigerant without installing a driving device, extra electronic devices are not needed to be added, the cost can be reduced, and vibration and noise generated by the heat radiation structure 100 can be reduced, thereby being beneficial to improving the operation reliability of the heat radiation structure 100.

It should be noted that, the heat dissipation structure 100 is not only used for dissipating heat of the electronic control module, but the refrigerant ring 4 may also be attached to other heat generating structures with high heat generation, so as to realize cooling of the heat dissipation structure 100 to the heat generating structures.

According to the heat dissipation structure 100 of the embodiment of the utility model, the refrigerant ring 4 provided with the substrate 41 and the refrigerant pipe 42 is positioned below the heat radiator 1 provided with the heat exchange pipe 11, one end of the air outlet pipe 2 is connected with one end of the heat exchange pipe 11, one end of the liquid return pipe 3 is connected with the other end of the heat exchange pipe 11, two ends of the refrigerant pipe 42 are respectively connected with one end of the air outlet pipe 2, which is away from the heat exchange pipe 11, and one end of the liquid return pipe 3, which is away from the heat exchange pipe 11, so that the heat dissipation structure 100 of the utility model can conduct efficient heat dissipation on the heat dissipation structure of an electronic control module and the like. Meanwhile, the refrigerant self-circulation can be realized without additionally arranging a driving device, so that the cost can be reduced, vibration and noise can be reduced, and the operation reliability of the heat radiation structure 100 can be improved.

In some embodiments of the present utility model, as shown in fig. 1 and 2, the heat exchange tubes 11 are a plurality of heat exchange tubes 11 arranged at intervals, and each heat exchange tube 11 is a U-shaped heat exchange tube 11 with a downward opening. The heat exchange areas of the refrigerant and the outside air can be increased by the plurality of heat exchange tubes 11, so that the heat exchange efficiency of the radiator 1 can be effectively improved, and the heat dissipation efficiency of the heat dissipation structure 100 can be further improved. The U-shaped heat exchange tube 11 is downward in opening, so that the heat exchange tube 11 is connected with the air outlet tube 2 and the liquid return tube 3 which are positioned below.

In addition, the air outlet pipe 2 and the liquid return pipe 3 are positioned below the radiator 1 and at least partially above the refrigerant ring 4, so that the liquid refrigerant at the radiator 1 conveniently flows into the air outlet pipe 2 and the liquid return pipe 3 from top to bottom by virtue of self gravity, then flows into the refrigerant ring 4 from the air outlet pipe 2 and the liquid return pipe 3, and simultaneously, the gaseous refrigerant in the refrigerant ring 4 conveniently flows into the air outlet pipe 2 and the liquid return pipe 3 from bottom to top by utilizing density difference, and then flows into the radiator 1 from the air outlet pipe 2 and the liquid return pipe 3, so as to ensure the refrigerant circulation in the heat dissipation structure 100, and further ensure the heat dissipation effect of the heat dissipation structure 100.

In some embodiments of the present utility model, as shown in fig. 1 and 2, a plurality of heat exchange tubes 11 are arranged at intervals in the width direction of the radiator 1, the width direction of the radiator 1 being parallel to the horizontal plane. The radiator 1 has reasonable structural arrangement, and the plurality of heat exchange tubes 11 extend along the vertical direction and are arranged at intervals along the horizontal direction, so that the refrigerant can circulate up and down in the heat exchange tubes 11 by utilizing the action of gravity, the resistance of the circulating flow of the refrigerant can be reduced, and the heat dissipation efficiency of the heat dissipation structure 100 can be improved. The width direction of the heat sink 1 is the a-a direction as illustrated in fig. 1 and 2.

In some embodiments of the present utility model, as shown in fig. 1 and 2, each heat exchange tube 11 includes a bent tube section 111, and a first straight tube section 112 and a second straight tube section 113 connected to both ends of the bent tube section 111, one end of the first straight tube section 112 facing away from the bent tube section 111 is connected to the gas outlet tube 2, and one end of the second straight tube section 113 facing away from the bent tube section 111 is connected to the liquid return tube 3, whereby both ends of each U-shaped heat exchange tube 11 can be communicated with the liquid return tube 3 and the gas outlet tube 2, so that each heat exchange tube 11 can form a complete circuit with the liquid return tube 3, the refrigerant tube 42 and the gas outlet tube 2, thereby ensuring the tightness of the circuit of the heat dissipation structure 100 and ensuring the circulation flow of the refrigerant.

Further, the plurality of first straight pipe sections 112 are located on the same side in the thickness direction of the radiator 1, the plurality of second straight pipe sections 113 are located on the same side in the thickness direction of the radiator 1 and on the opposite side to the first straight pipe sections 112 in the thickness direction of the radiator 1, and the thickness direction of the radiator 1 is parallel to the horizontal plane. The plurality of first straight pipe sections 112 and the plurality of second straight pipe sections 113 are respectively positioned at two sides of the radiator 1 in the thickness direction, so that the reasonable design of the layout of the radiator 1 is facilitated, the overlong length of the radiator 1 in the width direction is avoided, and the radiator is convenient to process, transport and assemble. And meanwhile, the arrangement of the upper bent pipe section 111 is convenient, and collision and interference of a plurality of bent pipe sections 111 are avoided. The thickness direction, the width direction and the length direction of the radiator 1 are perpendicular to each other, the width direction of the radiator 1 is the a-a direction as illustrated in fig. 1 and 2, and the length direction of the radiator 1 is the up-down direction as illustrated in fig. 1 and 2.

In some embodiments of the present utility model, as shown in fig. 1 and fig. 2, the first straight tube section 112 and the second straight tube section 113 of the same heat exchange tube 11 are arranged in a staggered manner in the width direction of the radiator 1, which is beneficial to reasonably designing the layout of the radiator 1, facilitating the reduction of the length of the radiator 1 in the thickness direction, and simultaneously facilitating the arrangement of the upper bent tube section 111, avoiding the collision and interference of a plurality of bent tube sections 111, and being capable of providing convenience for the processing, transportation and assembly of the radiator 1.

In some embodiments of the present utility model, as shown in fig. 1 and 2, the plurality of first straight tube sections 112 and the plurality of second straight tube sections 113 are alternately arranged in the width direction of the radiator 1. The radiator has the advantages that the layout of the radiator 1 is reasonably designed, the plurality of heat exchange tubes 11 can be compactly distributed as much as possible in a limited space, the length of the radiator 1 in the thickness direction and the width direction is conveniently reduced, meanwhile, the upper bent tube section 111 is conveniently distributed, the plurality of bent tube sections 111 are prevented from collision and interference, and convenience is brought to processing, transportation and assembly of the radiator 1.

In some embodiments of the present utility model, as shown in fig. 1 and 2, the heat dissipating structure 100 further includes an air outlet header 5 and a liquid return header 6, and one end of each heat exchanging tube 11 is connected to the air outlet header 5, and one end of the air outlet header 5 is connected to an end of the air outlet tube 2 facing away from the refrigerant tube 42. The other end of each heat exchange tube 11 is connected with a liquid return collecting tube 6, one end of the liquid return collecting tube 6 is connected with one end of the liquid return tube 3, which is far away from the refrigerant tube 42, and the air outlet collecting tube 5 and the liquid return collecting tube 6 are both positioned below the radiator 1.

It can be understood that the air outlet header 5 can communicate one end of the plurality of heat exchange tubes 11 with the air outlet pipe 2, and the liquid return header 6 can communicate the other end of the plurality of heat exchange tubes 11 with the liquid return tube 3, so that each heat exchange tube 11 can form a complete pipeline loop with the liquid return tube 3, the refrigerant tube 42 and the air outlet pipe 2, and the heat dissipation structure 100 has reasonable structural design, and can ensure the circulation of the refrigerant.

Further, the air outlet collecting pipe 5 and the liquid return collecting pipe 6 are both positioned below the radiator 1, and the air outlet collecting pipe 5 and the liquid return collecting pipe 6 are both positioned above the liquid return pipe 3 and the air outlet pipe 2, so that liquid refrigerant in the plurality of heat exchange pipes 11 flows from top to bottom to be collected in the air outlet collecting pipe 5 and the liquid return collecting pipe 6 by means of self gravity, and then flows into the air outlet pipe 2 and the liquid return pipe 3 and then flows into the refrigerant ring 4. Meanwhile, the gaseous refrigerant in the refrigerant ring 4 conveniently flows into the air outlet pipe 2 and the liquid return pipe 3 from bottom to top by utilizing density difference, flows into the air outlet collecting pipe 5 and the liquid return collecting pipe 6, and then is shunted into the plurality of heat exchange pipes 11 from the air outlet collecting pipe 5 and the liquid return collecting pipe 6, so that the refrigerant circulation in the heat dissipation structure 100 is ensured, and the heat dissipation effect of the heat dissipation structure 100 is ensured.

In some embodiments of the present utility model, as shown in fig. 1 and 2, the outlet header 5 has a plurality of first connection pipes 51 extending upward, the plurality of first connection pipes 51 being disposed at intervals along the length direction of the outlet header 5, each first connection pipe 51 being connected to at least one heat exchange pipe 11. The first connection pipe 51 facilitates connection of the heat exchange pipe 11 to the air outlet header 5, which helps to reduce the operation difficulty of operators, thereby improving the assembly efficiency of the heat radiation structure 100. Along the length direction of the air outlet header 5, the air outlet header 5 is provided with a plurality of first connecting pipes 51, and each first connecting pipe 51 can be connected with a plurality of heat exchange pipes 11, so that the air outlet header 5 can be connected with the heat exchange pipes 11 as many as possible in a limited space in the length direction of the air outlet header 5, the space utilization rate can be improved, the number of circulating pipelines can be improved, and the heat dissipation efficiency of the heat dissipation structure 100 can be improved.

In some embodiments of the present utility model, as shown in fig. 1 and 2, the return header 6 has a plurality of second connection pipes 61 extending upward, the plurality of second connection pipes 61 being disposed at intervals along the length direction of the return header 6, each second connection pipe 61 being connected to at least one heat exchange pipe 11. The second connection pipe 61 facilitates connection of the heat exchange pipe 11 to the liquid return header 6, and helps to reduce the difficulty of operation of an operator, so that the assembly efficiency of the heat radiation structure 100 can be improved. Along the length direction of the liquid return header 6, the liquid return header 6 is provided with a plurality of second connecting pipes 61, and each second connecting pipe 61 can be connected with a plurality of heat exchange pipes 11, so that the liquid return header 6 can be connected with the heat exchange pipes 11 as much as possible in the limited space of the length direction of the liquid return header 6, the space utilization rate can be improved, the number of circulating pipelines can be improved, and the heat dissipation efficiency of the heat dissipation structure 100 can be improved.

In some embodiments of the present utility model, as shown in fig. 1 and 2, at least one of the air outlet header 5 and the liquid return header 6 is horizontally arranged, so that the air outlet header 5 and the liquid return header 6 are horizontally arranged, which is beneficial to reducing the processing difficulty and the assembly difficulty of the air outlet header 5 and the liquid return header 6, thereby improving the production efficiency and the assembly efficiency of the heat dissipation structure 100 and saving the cost to a certain extent.

In some embodiments of the present utility model, as shown in fig. 1 and 2, the outlet header 5 is disposed obliquely with respect to the horizontal plane, and the height of one end of the outlet header 5 connected to the outlet pipe 2 is lower than the height of the other end. I.e. the height of the connection position of the gas outlet header 5 and the heat exchange tube 11 is higher than the height of the connection position of the gas outlet header 5 and the gas outlet tube 2, thereby facilitating the downward and upward flow of the liquid refrigerant in the radiator 1 and the gaseous refrigerant in the refrigerant ring 4 by utilizing the gravitational potential energy and the density difference. The resistance of the gas outlet collecting pipe 5 to the downward flow of the liquid refrigerant and the upward flow of the gaseous refrigerant can be effectively reduced, so that the self-circulation of the refrigerant in the heat dissipation structure 100 is facilitated, and the heat dissipation effect of the heat dissipation structure 100 can be improved.

In some embodiments of the present utility model, as shown in fig. 1 and 2, the return header 6 is disposed obliquely with respect to the horizontal plane, and the height of one end of the return header 6 connected to the return pipe 3 is lower than the height of the other end. I.e. the height of the connection position of the liquid return header 6 and the heat exchange tube 11 is higher than the height of the connection position of the liquid return header 6 and the liquid return tube 3, thereby facilitating the downward and upward flow of the liquid refrigerant in the radiator 1 and the gaseous refrigerant in the refrigerant ring 4 by utilizing the gravitational potential energy and the density difference. The resistance of the liquid return collecting pipe 6 to the downward flow of the liquid refrigerant and the upward flow of the gaseous refrigerant can be effectively reduced, so that the self-circulation flow of the refrigerant in the heat dissipation structure 100 is facilitated, and the heat dissipation effect of the heat dissipation structure 100 can be improved.

In some embodiments of the present utility model, as shown in fig. 1 and 2, the air outlet header 5 is disposed obliquely with respect to the horizontal plane and has an angle of 0-5 ° with respect to the horizontal plane, and if the angle between the air outlet header 5 and the horizontal plane is greater than 5 °, the air outlet header 5 is too oblique with respect to the horizontal plane, so that the occupied space of the air outlet header 5 in the vertical direction is increased, thereby increasing the occupied space of the heat dissipation structure 100, and also increasing the difficulty in processing and assembling the air outlet header 5, which is not beneficial to the installation and use of the heat dissipation structure 100. The angle between the air outlet collecting pipe 5 and the horizontal plane is 0-5 degrees, so that the self-circulation flow of the refrigerant in the heat radiation structure 100 is facilitated, the heat radiation effect of the heat radiation structure 100 is improved, the occupation space of the heat radiation structure 100 in the vertical direction is prevented from being too large, and the convenience of installation and use of the heat radiation structure 100 is ensured.

In some embodiments of the utility model, as shown in fig. 1 and 2, the return header 6 is disposed obliquely to the horizontal and at an angle of 0-5 ° to the horizontal. If the angle between the liquid return collecting pipe 6 and the horizontal plane is greater than 5 degrees, the liquid return collecting pipe 6 is too inclined relative to the horizontal plane, so that the occupied space of the liquid return collecting pipe 6 in the vertical direction can be increased, the occupied space of the heat radiation structure 100 is increased, and meanwhile, the processing and assembling difficulties of the liquid return collecting pipe 6 can be increased, so that the installation and the use of the heat radiation structure 100 are not facilitated. The angle between the liquid return collecting pipe 6 and the horizontal plane is 0-5 degrees, so that the self-circulation flow of the refrigerant in the heat radiation structure 100 is facilitated, the heat radiation effect of the heat radiation structure 100 is improved, the occupation space of the heat radiation structure 100 in the vertical direction is prevented from being too large, and the convenience of installation and use of the heat radiation structure 100 is ensured.

In some embodiments of the present utility model, as shown in fig. 1 and 2, the outlet header 5 is disposed parallel to the horizontal plane, and the return header 6 is disposed obliquely to the horizontal plane, and the height of the return header 6 is lower than the outlet header 5. The gravitational potential energy of the liquid refrigerant in the air outlet collecting pipe 5 is different from that of the liquid refrigerant in the liquid return collecting pipe 6, and the upward force of the gaseous refrigerant in the air outlet collecting pipe 5 is different from that of the gaseous refrigerant in the liquid return collecting pipe 6, so that the power of the circulation of the refrigerant in the pipeline loop can be increased, the self-circulation of the refrigerant in the heat dissipation structure 100 is facilitated, and the heat dissipation effect of the heat dissipation structure 100 can be further improved.

In addition, when the refrigerant ring 4 absorbs excessive heat to gasify all the liquid refrigerant in the refrigerant ring 4 into gaseous refrigerant, the situation that all the gaseous refrigerant in the air outlet collecting pipe 5 and the liquid return collecting pipe 6 simultaneously gushes up or all the liquid refrigerant simultaneously sinks due to the fact that the gravitational potential energy of the refrigerant in the air outlet collecting pipe 5 and the gravitational potential energy of the refrigerant in the liquid return collecting pipe 6 are the same can be avoided, so that the limit condition that the heat dissipation structure 100 is blocked by the refrigerant can be avoided, and the heat dissipation stability and the heat dissipation reliability of the heat dissipation structure 100 can be better ensured.

Preferably, the air outlet collecting pipe 5 is obliquely arranged relative to the horizontal plane, the liquid return collecting pipe 6 is obliquely arranged relative to the horizontal plane, the angle between the air outlet collecting pipe 5 and the horizontal plane is different from the angle between the liquid return collecting pipe 6 and the horizontal plane, and the height of the liquid return collecting pipe 6 is different from the height of the air outlet collecting pipe 5, so that the power of circulating flow of the refrigerant in a pipeline loop can be ensured, the self-circulation of the refrigerant in the heat dissipation structure 100 is facilitated, and the heat dissipation effect of the heat dissipation structure 100 can be better improved. And meanwhile, the limit condition that the heat dissipation structure 100 is blocked by the flow of the refrigerant can be avoided, so that the heat dissipation stability and reliability of the heat dissipation structure 100 are better ensured.

In some embodiments of the present utility model, as shown in fig. 1 and 2, the outlet pipe 2 has a first inclined pipe section 21, the first inclined pipe section 21 being disposed inclined with respect to a horizontal plane and the height of the first inclined pipe section 21 near one end of the heat exchange pipe 11 being higher than the height of the other end. That is, the height of the end of the first inclined tube section 21 communicating with the heat exchange tube 11 is higher than the height of the end of the first inclined tube section 21 communicating with the refrigerant tube 42, thereby facilitating the downward and upward flow of the liquid refrigerant located in the radiator 1 and the gaseous refrigerant located in the refrigerant ring 4 by utilizing gravitational potential energy and density difference. The resistance of the first inclined tube section 21 to the downward flow of the liquid refrigerant and the upward flow of the gaseous refrigerant can be effectively reduced, so that the self-circulation of the refrigerant in the heat dissipation structure 100 is facilitated, and the heat dissipation effect of the heat dissipation structure 100 can be improved.

In some embodiments of the present utility model, as shown in fig. 1 and 2, the return pipe 3 has a second inclined pipe section 31, the second inclined pipe section 31 being disposed obliquely with respect to the horizontal plane and the height of the second inclined pipe section 31 near one end of the heat exchange pipe 11 being higher than the height of the other end. That is, the height of the end of the second inclined tube section 31 communicating with the heat exchange tube 11 is higher than the height of the end of the second inclined tube section 31 communicating with the refrigerant tube 42, thereby facilitating the downward and upward flow of the liquid refrigerant located in the radiator 1 and the gaseous refrigerant located in the refrigerant ring 4 by utilizing gravitational potential energy and density difference. The resistance of the second inclined tube section 31 to the downward flow of the liquid refrigerant and the upward flow of the gaseous refrigerant can be effectively reduced, thereby being beneficial to the self-circulation of the refrigerant in the heat dissipation structure 100 and further improving the heat dissipation effect of the heat dissipation structure 100.

In some embodiments of the utility model, as shown in fig. 1 and 2, the angle between the first inclined tube section 21 and the horizontal plane is 0-15 °. If the angle between the first inclined tube section 21 and the horizontal plane is greater than 15 °, the first inclined tube section 21 is too inclined with respect to the horizontal plane, so that the occupied space of the first inclined tube section 21 in the vertical direction is increased, the occupied space of the heat dissipation structure 100 is increased, and meanwhile, the processing and assembling difficulties of the air outlet tube 2 are also increased, which is not beneficial to the installation and use of the heat dissipation structure 100. The angle between the first inclined pipe section 21 and the horizontal plane is 0-15 degrees, which is beneficial to the self-circulation flow of the refrigerant in the heat dissipation structure 100, thereby improving the heat dissipation effect of the heat dissipation structure 100, avoiding the overlarge occupied space of the heat dissipation structure 100 in the vertical direction and ensuring the convenience of the installation and the use of the heat dissipation structure 100.

In some embodiments of the utility model, as shown in fig. 1 and 2, the angle between the second inclined tube section 31 and the horizontal plane is 0-6 °. If the angle between the second inclined pipe section 31 and the horizontal plane is greater than 6 °, the second inclined pipe section 31 is too inclined with respect to the horizontal plane, so that the occupied space of the second inclined pipe section 31 in the vertical direction is increased, the occupied space of the heat dissipation structure 100 is increased, and meanwhile, the processing and assembling difficulties of the liquid return pipe 3 are also increased, which is not beneficial to the installation and use of the heat dissipation structure 100. The angle between the second inclined pipe section 31 and the horizontal plane is 0-6 degrees, which is beneficial to the self-circulation flow of the refrigerant in the heat dissipation structure 100, thereby improving the heat dissipation effect of the heat dissipation structure 100, avoiding the overlarge occupied space of the heat dissipation structure 100 in the vertical direction, and ensuring the convenience of the installation and the use of the heat dissipation structure 100.

In some embodiments of the present utility model, as shown in fig. 1 and 2, the angle between the first inclined tube section 21 and the horizontal plane is greater than the angle between the second inclined tube section 31 and the horizontal plane. So that the gravitational potential energy of the liquid refrigerant in the air outlet pipe 2 is different from that of the liquid refrigerant in the liquid return pipe 3, and the upward force of the gaseous refrigerant in the air outlet pipe 2 is different from that of the gaseous refrigerant in the liquid return pipe 3, the power of the refrigerant circulating in the pipeline loop can be increased, thereby being more beneficial to the self-circulation of the refrigerant in the heat dissipation structure 100, and further improving the heat dissipation effect of the heat dissipation structure 100.

In addition, when the refrigerant ring 4 absorbs excessive heat to gasify all the liquid refrigerant in the refrigerant ring 4 into gaseous refrigerant, the situation that all the gaseous refrigerant in the air outlet pipe 2 and the liquid return pipe 3 simultaneously gushes up or all the liquid refrigerant simultaneously sinks due to the fact that the gravitational potential energy of the refrigerant in the air outlet pipe 2 and the liquid return pipe 3 is the same can be avoided, so that the limit condition that the heat dissipation structure 100 is blocked by the refrigerant can be avoided, and the heat dissipation stability and reliability of the heat dissipation structure 100 can be better ensured.

In some embodiments of the present utility model, as shown in fig. 3, the refrigerant tube 42 is formed in a U-shape. The two ends of the refrigerant pipe 42 are conveniently connected with the air outlet pipe 2 and the liquid return pipe 3 respectively to form a pipeline loop, and the refrigerant can flow in the refrigerant pipe 42 in a circulating way under the action of gravity, so that the heat radiation performance of the heat radiation structure 100 can be ensured.

In some embodiments of the present utility model, as shown in fig. 1, 2 and3, the straight pipe section 421 of the refrigerant pipe 42 extends along the length direction of the substrate 41, so that the contact area between the refrigerant pipe 42 and the substrate 41 can be increased, and the heat exchange area between the refrigerant and the substrate 41 can be increased, so that the heat exchange efficiency at the refrigerant ring 4 can be effectively improved, and the heat dissipation efficiency of the heat dissipation structure 100 can be further improved. The refrigerant pipe 42 is provided with two main pipe sections, the two straight pipe sections 421 are arranged at intervals along the width direction of the substrate 41, the two straight pipe sections 421 are convenient to be connected with the air outlet pipe 2 and the liquid return pipe 3 respectively to form a pipeline loop, and the structural arrangement is reasonable.

The longitudinal direction of the substrate 41 is disposed along the up-down direction or horizontally disposed along the up-down direction, so that the refrigerant can circulate in the refrigerant tube 42 under the action of gravity, thereby enhancing the heat dissipation effect of the heat dissipation structure 100. The length direction of the substrate 41 is horizontally arranged, so that the occupied space of the substrate 41 in the vertical direction can be saved, the occupied space of the refrigerant ring 4 and the heat dissipation structure 100 can be saved, and convenience can be provided for the installation and use of the heat dissipation structure 100.

In some embodiments, the heat radiator 1 is a tube-fin heat exchanger, fins are arranged in the heat radiator 1, the fins are sleeved outside the heat exchange tube 11 and are multiple, and the fins are arranged at intervals along the length direction of the heat exchange tube 11, so that the heat exchange area of the heat exchange tube 11 and air can be increased, the heat dissipation effect of the heat exchange tube 11 can be improved, the condensation speed of the refrigerant in the heat radiator 1 can be improved, and the heat dissipation efficiency of the heat dissipation structure 100 can be improved.

An air conditioner outdoor unit according to an embodiment of the present utility model is described below.

An outdoor unit of an air conditioner according to an embodiment of the present utility model includes an electronic control module and the above-described heat dissipation structure 100.

Specifically, the substrate 41 is suitable for being attached to the electronic control module for heat dissipation of the electronic control module.

According to the air-conditioning outdoor unit provided by the embodiment of the utility model, the refrigerant ring 4 provided with the substrate 41 and the refrigerant pipe 42 is positioned below the radiator 1 provided with the heat exchange pipe 11, one end of the air outlet pipe 2 is connected with one end of the heat exchange pipe 11, one end of the liquid return pipe 3 is connected with the other end of the heat exchange pipe 11, two ends of the refrigerant pipe 42 are respectively connected with one end of the air outlet pipe 2, which is away from the heat exchange pipe 11, and one end of the liquid return pipe 3, which is away from the heat exchange pipe 11, and the substrate 41 is attached to the electric control module, so that the electric control module can be efficiently radiated. Meanwhile, the refrigerant self-circulation can be realized without additionally arranging a driving device, so that the cost can be reduced, the vibration and the noise can be reduced, and the operation reliability of the heat radiation structure 100 and the air conditioner outdoor unit can be improved.

The air conditioner comprises the air conditioner outdoor unit.

According to the air conditioner provided by the embodiment of the utility model, the refrigerant ring 4 provided with the substrate 41 and the refrigerant pipe 42 is arranged below the radiator 1 provided with the heat exchange pipe 11, one end of the air outlet pipe 2 is connected with one end of the heat exchange pipe 11, one end of the liquid return pipe 3 is connected with the other end of the heat exchange pipe 11, two ends of the refrigerant pipe 42 are respectively connected with one end of the air outlet pipe 2, which is away from the heat exchange pipe 11, and one end of the liquid return pipe 3, which is away from the heat exchange pipe 11, and the substrate 41 is attached to the electric control module, so that the electric control module can be efficiently radiated. Meanwhile, the refrigerant self-circulation can be realized without additionally arranging a driving device, so that the cost can be reduced, vibration and noise can be reduced, and the operation reliability of the heat radiation structure 100 and the air conditioner can be improved.

The demonstration device according to the embodiment of the utility model comprises the heat dissipation structure 100.

According to the demonstration device of the embodiment of the utility model, the refrigerant ring 4 provided with the substrate 41 and the refrigerant pipe 42 is positioned below the radiator 1 provided with the heat exchange pipe 11, one end of the air outlet pipe 2 is connected with one end of the heat exchange pipe 11, one end of the liquid return pipe 3 is connected with the other end of the heat exchange pipe 11, and two ends of the refrigerant pipe 42 are respectively connected with one end of the air outlet pipe 2, which is away from the heat exchange pipe 11, and one end of the liquid return pipe 3, which is away from the heat exchange pipe 11, so that the heat dissipation effect of the heat dissipation structure 100 is better compared with air cooling heat dissipation, thereby improving the safety and reliability of the heat dissipation structure, prolonging the service life of the heat dissipation structure, and being beneficial to improving the running stability and reliability of the demonstration device. Meanwhile, the refrigerant self-circulation can be realized without additionally arranging a driving device, so that the cost can be reduced, the vibration and the noise can be reduced, and the operation reliability of the heat radiation structure 100 and the demonstration device can be improved.

The demonstration device is used for demonstrating the heat dissipation process of the heat dissipation structure 100. When the base plate 41 is heated, the liquid refrigerant in the refrigerant pipe 42 evaporates and absorbs heat and enters the radiator 1, the liquid refrigerant in the refrigerant pipe 42 evaporates and absorbs heat to reduce the temperature of the base plate 41, the gaseous refrigerant in the radiator 1 is condensed into the liquid refrigerant to release heat, and the liquid refrigerant flows into the refrigerant pipe 42 under the action of gravity, so that the refrigerant circulation is realized.

Other configurations of the outdoor unit of the air conditioner according to the embodiment of the present utility model, such as an electronic control module, are known to those skilled in the art, and will not be described in detail herein.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.

Claims (17)

1. A heat dissipation structure, comprising:

the radiator is internally provided with a heat exchange tube;

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 positioned below the radiator and comprises a substrate and a refrigerant pipe, the refrigerant pipe is embedded in the substrate, and two ends of the refrigerant pipe are respectively connected with one end of the air outlet pipe, which is away from the heat exchange pipe, and one end of the liquid return pipe, which is away from the heat exchange pipe.

2. The heat dissipating structure of claim 1, wherein the heat exchange tubes are a plurality of heat exchange tubes arranged at intervals, each heat exchange tube is a U-shaped heat exchange tube with a downward opening, and the air outlet tube and the liquid return tube are positioned below the heat sink and at least partially above the refrigerant ring.

3. The heat radiation structure according to claim 2, wherein a plurality of the heat exchange tubes are arranged at intervals in a width direction of the heat radiator, the width direction of the heat radiator being parallel to a horizontal plane.

4. The heat dissipating structure of claim 3 wherein each of said heat exchanging pipes comprises a bent pipe section, and a first straight pipe section and a second straight pipe section connected to both ends of said bent pipe section, wherein an end of said first straight pipe section facing away from said bent pipe section is connected to said air outlet pipe, an end of said second straight pipe section facing away from said bent pipe section is connected to said liquid return pipe,

The plurality of first straight pipe sections are positioned on the same side of the radiator in the thickness direction, the plurality of second straight pipe sections are positioned on the same side of the radiator in the thickness direction and on the opposite side of the radiator in the thickness direction, and the thickness direction of the radiator is parallel to a horizontal plane.

5. The heat radiation structure according to claim 4, wherein the first straight tube section and the second straight tube section of the same heat exchange tube are arranged in a staggered manner in the width direction of the heat radiator;

And/or a plurality of the first straight pipe sections and a plurality of the second straight pipe sections are alternately arranged in the width direction of the radiator.

6. The heat dissipating structure of claim 2, further comprising:

One end of each heat exchange tube is connected with the air outlet collecting pipe, and one end of the air outlet collecting pipe is connected with one end of the air outlet pipe, which is far away from the refrigerant tube;

And the other end of each heat exchange tube is connected with the liquid return collecting tube, one end of the liquid return collecting tube is connected with one end of the liquid return tube, which is far away from the refrigerant tube, and the air outlet collecting tube and the liquid return collecting tube are both positioned below the radiator.

7. The heat dissipating structure of claim 6, wherein said outlet header has a plurality of first connection pipes extending upward, said plurality of first connection pipes being disposed at intervals along a length direction of said outlet header, each of said first connection pipes being connected to at least one of said heat exchange pipes;

And/or the liquid return collecting pipe is provided with a plurality of second connecting pipes extending upwards, the second connecting pipes are arranged at intervals along the length direction of the liquid return collecting pipe, and each second connecting pipe is connected with at least one heat exchange pipe.

8. The heat dissipating structure of claim 6, wherein at least one of said outlet header and said return header is horizontally disposed;

And/or the air outlet collecting pipe is obliquely arranged relative to the horizontal plane, and the height of one end, connected with the air outlet pipe, of the air outlet collecting pipe is lower than that of the other end;

And/or the liquid return collecting pipe is obliquely arranged relative to the horizontal plane, and the height of one end, connected with the liquid return pipe, of the liquid return collecting pipe is lower than that of the other end.

9. The heat dissipating structure of claim 8, wherein the outlet header is disposed obliquely to the horizontal plane and at an angle of 0-5 ° to the horizontal plane;

and/or the liquid return collecting pipe is obliquely arranged relative to the horizontal plane, and the angle between the liquid return collecting pipe and the horizontal plane is 0-5 degrees.

10. The heat dissipating structure of claim 8, wherein said air outlet header is disposed parallel to a horizontal plane, said liquid return header is disposed obliquely to the horizontal plane, and said liquid return header is lower than said air outlet header.

11. The heat radiation structure according to claim 2, wherein the air outlet pipe has a first inclined pipe section, the first inclined pipe section is inclined with respect to a horizontal plane, and a height of the first inclined pipe section near one end of the heat exchange pipe is higher than a height of the other end;

And/or the liquid return pipe is provided with a second inclined pipe section, the second inclined pipe section is arranged obliquely relative to the horizontal plane, and the height of the second inclined pipe section, which is close to one end of the heat exchange pipe, is higher than that of the other end of the second inclined pipe section.

12. The heat dissipating structure of claim 11, wherein an angle between said first sloped tube section and a horizontal plane is 0-15 °;

And/or the angle between the second inclined tube section and the horizontal plane is 0-6 degrees;

And/or the angle between the first inclined tube section and the horizontal plane is larger than the angle between the second inclined tube section and the horizontal plane.

13. The heat dissipating structure of claim 1, wherein said refrigerant tube is formed in a U-shape.

14. The heat dissipating structure of claim 13, wherein the straight tube sections of the refrigerant tube extend along the longitudinal direction of the base plate, and the longitudinal direction of the base plate is disposed vertically or horizontally.

15. An outdoor unit of an air conditioner, comprising:

An electric control module;

The heat dissipating structure of any of claims 1-14, the substrate adapted to be attached to the electronic control module for dissipating heat from the electronic control module.

16. An air conditioner comprising the air conditioner outdoor unit according to claim 15.

17. A demonstration device, characterized by comprising the heat dissipation structure according to any one of claims 1 to 14.