CN210014472U - Air condensing units and air conditioner - Google Patents

Abstract

The application belongs to the technical field of heat dissipation, and discloses an air conditioner outdoor unit and an air conditioner. The air conditioner outdoor unit includes a fan bracket, a sound insulation board and a radiator arranged inside the casing of the air conditioner outdoor unit. The radiator includes: a first heat dissipation module, which is provided with a first working medium flow path, and a second heat dissipation module, which is provided with The second working medium flow path, the first pipeline, connects the first working medium flow path and the second working medium flow path, and the second pipeline connects the first working medium flow path and the second working medium flow wherein, the first working medium flow path, the second working medium flow path, the first pipeline and the second pipeline constitute a working medium loop, and the working medium loop is set to be filled with a phase-change working medium, and the The second heat dissipation module is connected with the fan support and the sound insulation board. The radiator of the outdoor unit of the air conditioner provided by the present application has high heat dissipation capacity.

Description

An air conditioner outdoor unit and an air conditioner

technical field

The utility model relates to the technical field of heat dissipation, in particular to an air conditioner outdoor unit and an air conditioner.

Background technique

The inverter module is an important component in the inverter air conditioner, and the heat dissipation problem of the inverter module is closely related to the reliability of the air conditioner. The higher the compressor frequency, the more heat the inverter module generates. Secondly, the chip design is more compact, the density of components continues to increase, and the volume of components tends to be miniaturized, making it more and more difficult to dissipate heat from the inverter module.

At present, the heat dissipation of the frequency conversion module of the outdoor unit of the air conditioner generally adopts an extruded radiator, and the heat dissipation is optimized by changing the area and shape of the fins.

In the process of implementing the embodiments of the present disclosure, it is found that there are at least the following problems in the related art: the existing radiator still cannot dissipate the heat generated by the frequency conversion module in time, which seriously affects the reliability of the air conditioner.

Utility model content

In order to provide a basic understanding of some aspects of the disclosed embodiments, a brief summary is given below. This summary is not intended to be an extensive review, nor to identify key/critical elements or delineate the scope of protection of these embodiments, but rather serves as a prelude to the detailed description that follows.

According to a first aspect of the embodiments of the present disclosure, an air conditioner outdoor unit is provided.

In some optional embodiments, the outdoor unit of an air conditioner includes a fan bracket, a sound insulation board, and a radiator disposed inside a housing of the outdoor unit of the air conditioner, and the radiator includes: a first heat dissipation module, which is provided with There is a first working medium flow path, a second heat dissipation module, a second working medium flow path, a first pipeline connecting the first working medium flow path and the second working medium flow path, and a second pipeline, The first working medium flow path and the second working medium flow path are communicated; wherein, the first working medium flow path, the second working medium flow path, the first pipeline and the second pipeline constitute a working medium circuit, so The working medium circuit is set to be filled with a phase-change working medium, and the second heat dissipation module is connected with the fan support and the sound insulation board. The radiator of the outdoor unit of the air conditioner provided by the embodiment of the present disclosure can more effectively dissipate the heat generated by the frequency conversion module, thereby improving the operation reliability of the air conditioner.

According to a second aspect of the embodiments of the present disclosure, an air conditioner is provided.

In some optional embodiments, the air conditioner includes the aforementioned outdoor unit of the air conditioner.

The technical solutions provided by the embodiments of the present disclosure may include the following beneficial effects:

The radiator of the outdoor unit of the air conditioner provided by the embodiment of the present disclosure includes a first heat dissipation module and a second heat dissipation module, and the two heat dissipation modules can dissipate heat at the same time, which improves the heat dissipation effect of the radiator and improves the operation reliability of the air conditioner. The second heat dissipation module is fixed on the fan bracket and the sound insulation board, which improves the heat dissipation effect of the radiator.

The foregoing general description and the following description are exemplary and explanatory only and are not intended to limit the application.

Description of drawings

One or more embodiments are exemplified by the accompanying drawings, which are not intended to limit the embodiments, and elements with the same reference numerals in the drawings are shown as similar elements, The drawings do not constitute a limitation of scale, and in which:

FIG. 1 is a schematic structural diagram of an outdoor unit of an air conditioner according to an exemplary embodiment;

FIG. 2 is a schematic structural diagram of a heat sink according to an exemplary embodiment;

3 is a schematic structural diagram of a first heat dissipation module according to an exemplary embodiment;

4 is a schematic structural diagram of a second heat dissipation module according to an exemplary embodiment;

FIG. 5 is a schematic structural diagram of a second heat dissipation module according to an exemplary embodiment;

6 is a schematic structural diagram of a sealing member and a fixing member of a first heat dissipation module according to an exemplary embodiment;

Fig. 7 is an exploded schematic diagram of a sealing member and a fixing member of a first heat dissipation module according to an exemplary embodiment; and

FIG. 8 is a schematic structural diagram of a sealing member of a first heat dissipation module according to an exemplary embodiment.

Among them, 1: first heat dissipation module; 2: second heat dissipation module; 3: first pipeline; 4: second pipeline; 5: fan; 6: frequency conversion module; 7: fan bracket; 8: sound insulation board; 11 : first base body; 12: first heat dissipation member; 13: first layer working medium flow path; 14: threaded hole; 15: first fixing piece; 16: second fixing piece; 17: first sealing piece; 18: 171: channel; 172: through hole; 173: trapezoidal structure; 21: first-layer substrate; 22: second-layer substrate; 23: second heat dissipation member; 24: clip; 25: first Secondary working fluid flow path.

Detailed ways

In order to understand the features and technical contents of the embodiments of the present disclosure in more detail, the implementation of the embodiments of the present disclosure will be described in detail below with reference to the accompanying drawings, which are for reference only and are not intended to limit the embodiments of the present disclosure. In the following technical description, for the convenience of explanation, numerous details are provided to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may be practiced without these details. In other instances, well-known structures and devices may be shown simplified in order to simplify the drawings.

Embodiments of the present disclosure provide an outdoor unit of an air conditioner.

The air conditioner outdoor unit provided by the embodiment of the present disclosure includes a fan bracket, a sound insulation board, and a radiator disposed inside the casing of the air conditioner outdoor unit. The radiator includes: a first heat dissipation module provided with a first working medium flow path, a second The heat dissipation module is provided with a second working medium flow path, a first pipeline connecting the first working medium flow path and the second working medium flow path, and a second pipeline connecting the first working medium flow path and the second working medium flow path; wherein, the first working medium flow path, the second working medium flow path, the first pipeline and the second pipeline constitute a working medium loop, the working medium loop is set to be filled with a phase change working medium, and the second heat dissipation module is connected to The fan bracket and the sound insulation board are connected.

As shown in FIG. 1 and FIG. 2 , the radiator of the outdoor unit of the air conditioner provided by the embodiment of the present disclosure includes a first heat dissipation module 1 , a second heat dissipation module 2 , a first pipeline 3 and a second pipeline 4 , wherein the second The heat dissipation module is connected with the fan bracket, and the second heat dissipation module is also connected with the sound insulation board. The setting position of the second heat dissipation module is well ventilated, which is conducive to the dissipation of heat from the second heat dissipation module.

In the air conditioner outdoor unit provided by the embodiment of the present disclosure, the second heat dissipation module includes a first end and a second end, the first end is connected to the fan bracket, and the second end is connected to the sound insulation board. Optionally, the first end and the second end of the second heat dissipation module are disposed opposite to each other. The first end of the second heat dissipation module 2 is fixed on the fan support 7 , and the second end is fixed on the sound insulation board 8 . Optionally, the sound insulation board 8 is a panel that divides the cabin enclosed by the casing of the air conditioner outdoor unit into a fan cabin and a compressor cabin, the fan cabin is the cabin where the fan 5 is located, and the compressor cabin is the cabin where the compressor is located. The second heat dissipation module 2 is fixed in the space between the fan support 7 and the sound insulation board 8 , which facilitates the heat dissipation of the second heat dissipation module 2 and improves the heat dissipation effect of the radiator.

In the air conditioner outdoor unit provided by the embodiment of the present disclosure, the fan bracket 7 includes a first surface close to the sound insulation board 8 and a second surface away from the sound insulation board 8 , and the first end of the second heat dissipation module 2 is connected to the first surface. Here "closer" and "farther away" are mutual. As shown in FIG. 1 , the connection surface between the first end of the second heat dissipation module 2 and the fan support 7 is the first surface of the fan support 7 . Optionally, the connection here is a fixed connection or a detachable connection, the connection method of the fixed connection may be welding, the connection method of the detachable connection may be snap connection, and so on. The connection mode of fixed connection is beneficial to improve the stability of the connection between the second heat dissipation module 2 and the fan support 7 , and the connection mode of detachable connection is convenient for cleaning after disassembly of the second heat dissipation module 2 .

In the air conditioner outdoor unit provided by the embodiment of the present disclosure, the sound insulation board 8 includes a third surface of the upper bottom plate close to the casing of the air conditioner outdoor unit and a fourth surface of the lower bottom plate close to the casing of the air conditioner outdoor unit. The second end is connected to the third surface. As shown in FIG. 1 , the connection surface between the second end of the second heat dissipation module 2 and the sound insulation board 8 is the third surface of the sound insulation board 8 . Optionally, the connection here is a fixed connection or a detachable connection, the connection method of the fixed connection may be welding, the connection method of the detachable connection may be snap connection, and so on. The connection mode of fixed connection is beneficial to improve the connection stability of the second heat dissipation module 2 and the sound insulation board 8 , and the connection mode of detachable connection is convenient for cleaning after disassembly of the second heat dissipation module 2 .

In the outdoor unit of the air conditioner provided by the embodiment of the present disclosure, as shown in FIG. 1 , in the vertical direction, the height of the first end of the second heat dissipation module 2 is higher than the height of the second end. The oblique installation of the second heat dissipation module 2 is beneficial to increase the length of the second heat dissipation module 2, increase the heat dissipation area of the second heat dissipation module 2, and improve the heat dissipation effect of the radiator. Optionally, the height of the first end of the second heat dissipation module 2 is higher than the height of the second end. The gaseous phase change working medium of the first heat dissipation module 1 enters the second heat dissipation module 2 through the first pipeline 3, and is further dissipated in the second working medium flow path of the second heat dissipation module 2. The second end of the heat dissipation module 2 moves upward to the first end of the second heat dissipation module 2, which is beneficial to the heat dissipation of the gaseous phase change working medium.

In the air conditioner outdoor unit provided by the embodiment of the present disclosure, the sound insulation board 8 divides the cabin enclosed by the casing of the air conditioner outdoor unit into a fan cabin and a compressor cabin, and the first heat dissipation module 1 is arranged in the compressor cabin. Optionally, the first heat dissipation module 1 is in thermal contact with the frequency conversion module of the outdoor unit of the air conditioner, and is arranged in the compressor compartment. Optionally, one or more openings may be opened on the casing of the compressor compartment to form an air duct, which is conducive to the dissipation of heat from the first heat dissipation module.

As shown in FIG. 2 and FIG. 5 , the radiator of the outdoor unit of the air conditioner provided by the embodiment of the present disclosure includes: a first heat dissipation module 1 , a second heat dissipation module 2 , a first pipeline 3 and a second pipeline 4 , wherein the first A heat dissipation module 1 is provided with a first working medium flow path, and a second heat dissipation module 2 is provided with a second working medium flow path 25. The first working medium flow path and the second working medium flow path 25 adopt the first pipeline 3 and the second working medium flow path The two pipelines 4 are connected, and the first working medium flow channel, the second working medium flow channel 25, the first pipeline 3 and the second pipeline 4 constitute a working medium loop, and the working medium loop is set to be filled with a phase-change working medium.

The heat sink provided by the embodiment of the present disclosure simultaneously includes two heat dissipation modules, that is, a first heat dissipation module 1 and a second heat dissipation module 2, and a working medium flow path is provided in both of the two heat dissipation modules. The phase change working medium in the working medium flow path can transfer the heat of the first heat dissipation module 1 to the second heat dissipation module 2, so that the first heat dissipation module 1 and the second heat dissipation module 2 can perform heat dissipation functions at the same time, which improves the heat dissipation of the radiator. ability. The heat dissipation capability of the heat sink provided by the embodiment of the present disclosure is as follows: when the ambient temperature is 52°C, when the existing heat sink is used for heat dissipation, the case temperature of the high-power component is more than 90°C, or even exceeds 100°C. The heat sink provided by the embodiment of the present disclosure cools the frequency conversion module 6, and when the ambient temperature is 52°C, the case temperature of the high-power component is 72-82°C. It can be seen that the heat sink provided by the embodiment of the present disclosure can lower the temperature of high-power components by 20-25° C. compared with the existing heat sink.

The frequency conversion module 6 of the outdoor unit of the air conditioner is provided with a number of high-power components. With the miniaturization of the outdoor unit of the air conditioner and the need for diversified functions of the air conditioner, the chip design of the control module of the outdoor unit of the air conditioner is more compact, and the components The density of the components continues to increase, and the volume of the components tends to be miniaturized. Therefore, the heating power consumption of high-power components is increasing, and the heat flux density is rising sharply. In order to ensure the safety and reliability of the external electrical control of the air conditioner, the heat dissipation performance of the frequency conversion module 6 is very important. The existing method for improving the radiator of the inverter module 6 of the outdoor unit of the air conditioner is generally to optimize the body of the radiator, for example, by increasing the height of the fins, the number of fins, etc. The space of the outdoor unit is limited, the optimization space of the radiator body is very small, and the heat dissipation capacity is limited. In the outdoor unit of the air conditioner provided by the embodiment of the present disclosure, the radiator has two heat dissipation modules, which improves the heat dissipation capability of the frequency conversion module 6 and improves the reliability and stability of the operation of the frequency conversion module 6 .

The method for dissipating heat from the frequency conversion module 6 by using the heat sink provided in the embodiment of the present disclosure may be as follows: the first heat dissipation module 1 receives the heat from the frequency conversion module 6, dissipates part of the heat through the air cooling effect of the fan 5, and the undissipated heat is The working medium in the first working medium flow path is absorbed, the working medium is rapidly vaporized after being heated, and the heat is taken away, and enters the second working medium flow path 25 of the second heat dissipation module 2 through the first pipeline 3, and the second heat dissipation module 2 Air-cooled heat dissipation and natural convection can be performed at the same time. The gas working medium in the second working medium flow path 25 dissipates heat through the second heat dissipation module 2. After the temperature is lowered, it becomes liquid, and the liquid working medium passes through the second pipeline 4. It flows back into the first working medium flow path of the first heat dissipation module 1, and performs the next cycle of absorbing heat and turning into a gaseous state. It can be seen that when the heat sink provided by the embodiment of the present disclosure is used to dissipate heat to the frequency conversion module 6, the first heat dissipation module 1 and the second heat dissipation module 2 can simultaneously dissipate heat to the frequency conversion module 6, which improves the heat dissipation capability of the heat sink, and can The heat generated by the frequency conversion module 6 is effectively dissipated, which improves the operation reliability of the air conditioner.

In the radiator provided by the embodiment of the present disclosure, the first working medium flow path, the second working medium flow path 25 , the first pipeline 3 and the second pipeline 4 constitute a working medium loop, and the working medium loop is set to fill the phase change The working medium, or the working medium circuit is filled with a phase-change working medium.

Optionally, the heat sink provided in the embodiment of the present disclosure may be prepared through a preparation process such as welding, vacuuming, and pouring a working medium. The type of the working medium is not specifically limited in this embodiment, for example, it may be a fluid that can undergo phase change, such as a refrigerant. This embodiment does not specifically limit the filling amount of the working fluid in the working fluid circuit.

Optionally, the working fluid is sealed in the working fluid circuit. The sealing method of the working medium in the first heat dissipation module 1 may adopt the sealing member as shown in Figs. 6-8, including the first sealing member 17 and the second sealing member 18. Specifically, the first sealing member 17 and the The two seals 18 are provided with channels 171 for connecting the plurality of flow channels in the first working medium flow path, and the gaseous working medium in the plurality of flow channels in the first working medium flow path can be confluent through the through holes 172 , enters the first pipeline 3, and similarly, the liquid working medium in the second pipeline 4 can be split through the through holes in the second sealing member 18 and enter the first working medium flow path. The connection between the first sealing member 17 and the second sealing member 18 and the base of the first heat dissipation module 1 may be soldering.

Optionally, the material of the first pipeline 3 is metal, and similarly, the material of the second pipeline 4 is metal.

As shown in FIG. 3 , the first heat dissipation module 1 of the heat sink provided by the embodiment of the present disclosure includes a first base body 11 and a plurality of first heat dissipation members 12 disposed on the first base body 11 , and the first working medium flow path is disposed at inside the first base body 11 .

The first heat dissipation module 1 provided in the embodiment of the present disclosure may also be referred to as an evaporation end. The first base body 11 of the first heat dissipation module 1 and the plurality of first heat dissipation members 12 disposed on the first base body 11 can be prepared by a direct extrusion molding method. The embodiment of the present disclosure does not specifically limit the quantity and structural size of the first heat dissipation members 12 , for example, they can be set according to the size of the space where the first heat dissipation module 1 is located. Optionally, the distances between the plurality of first heat dissipation members 12 disposed on the first base body 11 may be unequal. Optionally, the first heat dissipation member 12 may be a fin, and the height of the fin may be 30-50 mm, that is, the distance from the free end of the fin to the surface of the first base 11 is 30-50 mm, and the thickness is 1.5 mm.

Optionally, the first heat dissipation module 1 provided in the embodiment of the present disclosure may be coated with thermally conductive silicone grease or attached with a thermal conductive sheet to reduce the contact thermal resistance between the two, and effectively receive heat from the frequency conversion module. 6 heat and dissipate heat. In order to improve the stability of the contact between the first heat dissipation module 1 and the frequency conversion module 6, one or more threaded holes 14 may be provided on the first base body 11 of the first heat dissipation module 1, and the first heat dissipation module 1 and the frequency conversion are connected by means of screw connection. Module 6 is fixed. Optionally, the region where the threaded holes 14 are provided on the first base body 11 does not overlap with the region where the first heat dissipation member 12 is provided. In order to improve the stability of the connection between the first heat dissipation module 1 and the frequency conversion module 6 , the first heat dissipation module 1 is also provided with a fixing member. As shown in FIG. 6 and FIG. 7 , two ends of the first base body 11 are provided with first The ends of the fixing member 15, the second fixing member 16, the first sealing member 17 and the second sealing member 18 may be provided with a trapezoidal structure 173, so that the cross-sectional structure of the first sealing member 17 and the second sealing member 18 is the same as that of the first sealing member 17 and the second sealing member 18. The cross-sectional structure size of the heat dissipation module 1 is consistent, and by increasing the lengths of the first fixing member 15 and the second fixing member 16, the first fixing member 15 and the second fixing member 16 can connect the first base 11 to the first sealing member 17 and The second sealing member 18 is fixed together with the electric control box, and improves the sealing performance of the contact portion between the first heat dissipation module 1 and the electric control box. In order to improve the fixing effect of the first fixing member 15 and the second fixing member 16, the material of the first fixing member 15 and the second fixing member 16 may be metal. Optionally, the first fixing member 15 and the second fixing member 16 can be made of metal. Piece 16 may be a sheet metal structural piece. The first fixing member 15 and the second fixing member 16 are provided with through holes, which can be used to connect the first base body 11 and the electric control box.

Optionally, the first working medium flow path in the first heat dissipation module 1 is arranged in the first base body 11 . As shown in FIG. 3 , the first base body 11 is provided with a first working medium flow path composed of a plurality of flow paths. Optionally, in order to improve the heat dissipation capability of the first heat dissipation module 1 , the first base body 11 and the first working medium flow path are integrally formed. Optionally, the region where the threaded holes 14 are arranged on the first base body 11 does not overlap with the region where the first working medium flow path is arranged. Optionally, in order to improve the temperature uniformity and heat-carrying capacity of the first base body 11 of the first heat dissipation module 1, it has a better control ability for the concentrated heat source, and at the same time, it eliminates local overheating and improves the stability of the frequency conversion module 6. For reliability, the first working medium flow path includes at least a first layer working medium flow path 13 and a second layer working medium flow path. As shown in FIG. 3 , the first working medium flow path includes the first layer of working medium flow path 13 framed by the dashed line and the second layer of working medium flow path located below the first layer of working medium flow path 13 which is not framed by the dashed line. . The working medium flow path 13 of the first layer is located on the first plane, the working medium flow path 13 of the second layer is located on the second plane, and the first plane is parallel to the second plane.

Optionally, the second heat dissipation module 2 includes a second base body, and the second working medium flow path 25 is arranged in the second base body. In order to improve the heat dissipation capability of the second heat dissipation module 2, the second base body and the second working medium flow path 25 One piece.

Optionally, as shown in FIG. 4 and FIG. 5 , the second heat dissipation module 2 includes a second base body and a plurality of second heat exchange members 23 disposed on the second base body, and the second working medium flow path 25 is disposed on the second base body. within the matrix.

The second heat dissipation module 2 provided in the embodiment of the present disclosure may also be referred to as a condensation end. The second heat dissipation module may be an inflation plate, a tube-fin heat dissipation plate or a wire tube heat dissipation plate. Optionally, the second base of the second heat dissipation module 2 can be a temperature equalizing plate, such as an inflatable temperature equalizing plate, which is formed by pressing two layers of aluminum plates, and is provided with a second working medium flow path that communicates with each other. 25. The second heat dissipation module 2 provided with the second working medium flow path has the functions of working medium flow path and heat sink at the same time, can carry out natural convection and air cooling heat dissipation at the same time, and has high heat transfer capacity, high thermal conductivity, light weight, etc. advantage. Optionally, in order to further improve the heat dissipation capability of the second heat dissipation module 2, the second base of the second heat dissipation module 2 at least includes a first layer substrate 21 and a second layer substrate 22 that are connected in communication, and the first layer substrate 21 is provided with a second layer of substrates. There are three layers of working medium flow paths, and a fourth layer of working medium flow paths is provided in the second layer of the substrate 22 , and the third layer of working medium flow paths is communicated with the fourth layer of working medium flow paths. The double-layer or multi-layer working medium flow path design in the second base improves the heat dissipation capability of the second heat dissipation module 2 . Optionally, the preparation method of the two-layer or multi-layer second substrate may be as follows: only one temperature-sparing plate is used, and it is folded into two or more symmetrical layers from the middle position. Optionally, one or more fixing bolts are arranged between the first layer substrate 21 and the second layer substrate 22, which not only improves the overall stability of the second substrate, but also ensures the first layer substrate 21 and the second layer substrate. The stability of the distance between 22. Optionally, the second base body of the second heat dissipation module 2 is provided with a connecting member for fixing the second heat dissipation module 2 .

Optionally, a plurality of second heat dissipation members 23 are provided on the second base of the second heat dissipation module 2. The shape of the second heat dissipation members 23 is not specifically limited in this embodiment, for example, it may be a rectangular, triangular winglet, etc. . The plurality of second heat dissipation members 23 disposed on the vapor chamber can destroy the development of the boundary layer on the surface of the vapor chamber, enhance the degree of gas disturbance, and improve the heat dissipation capability of the second heat dissipation module 2 . Optionally, the second heat dissipation member 23 may be disposed on the outer surface of the temperature equalizing plate, or may be disposed on the inner surface of the temperature equalizing plate.

Optionally, the path of the second working medium flow path 25 in the second heat dissipation module 2 may be as shown in FIG. 5 , and the second working medium flow path 25 communicated with each other may be formed by a plurality of interlaced pipelines. The embodiment of the present disclosure does not limit the specific path form of the second working medium flow path 25 too much.

Optionally, in order to improve the smooth flow of the working medium between the first heat dissipation module 1 and the second heat dissipation module 2, the first layer of working medium flow path 13 in the first base 11 of the first heat dissipation module 1 is located on the first horizontal plane, The working medium flow path of the second layer is located on the second horizontal plane, the working medium flow path of the third layer in the second base of the second heat dissipation module 2 is located on the third horizontal plane, the working medium flow path of the fourth layer is located on the fourth horizontal plane, and the first pipe The channel 3 connects the first layer working medium flow channel 13 and the third layer working medium flow channel, and the second pipeline 4 connects the second layer working medium flow channel and the fourth layer working medium flow channel. In the vertical direction, the bottom-to-top arrangement of the first horizontal plane, the second horizontal plane, the third horizontal plane, and the fourth horizontal plane is: the second horizontal plane, the first horizontal plane, the fourth horizontal plane, and the third horizontal plane, that is, the first floor The order from bottom to top in the vertical direction of the mass flow channel 13 , the second layer working medium flow channel, the third layer working medium flow channel, and the fourth layer working medium flow channel is: the second layer working medium flow channel, the first layer working medium flow channel The first layer of working medium flow channel 13, the fourth layer of working medium flow channel, and the third layer of working medium flow channel. The height difference here can be formed by the first line 3 and the second line 4 . Optionally, the first pipeline 3 includes a first branch, a second branch and a third branch that are communicated in sequence, and the second branch forms a height difference between the first branch and the third branch, or the second branch. The pipeline 4 includes a fourth branch, a fifth branch and a sixth branch that are communicated in sequence, and the fifth branch forms a height difference between the fourth branch and the sixth branch.

Combining the phase transition between the gaseous state and the liquid state of the working medium, the flow of the working medium in the working medium circuit can be described as: the first heat dissipation module 1 receives the heat from the object to be dissipated, the first layer of the working medium flow path 13 and the second layer The working medium in the working medium flow path is heated into a gaseous state. According to the principle of upward gas flow, the gaseous working medium enters the third working medium flow path through the first pipeline 3, and the gaseous working medium in the third working medium flow path After the heat is dissipated, the temperature decreases and becomes liquid. Under the action of gravity, it flows into the working medium flow path of the fourth layer, and further flows into the working medium flow path of the second layer through the second pipeline 4 for the next heat absorption cycle.

The present application also provides an air conditioner including the aforementioned outdoor unit of the air conditioner.

The present invention is not limited to the structures that have been described above and shown in the accompanying drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.

Claims (10)

1. An air conditioner outdoor unit, characterized in that it comprises a fan support, a sound insulation board and a radiator arranged inside the casing of the air conditioner outdoor unit, the radiator comprising: The first heat dissipation module is provided with a first working medium flow path, The second heat dissipation module is provided with a second working medium flow path, a first pipeline connecting the first working medium flow path and the second working medium flow path, and a second pipeline, connecting the first working medium flow path and the second working medium flow path; Wherein, the first working medium flow path, the second working medium flow path, the first pipeline and the second pipeline constitute a working medium loop, and the working medium loop is set to be filled with a phase-change working medium, The second heat dissipation module is connected with the fan support and the sound insulation board. 2. The air conditioner outdoor unit according to claim 1, characterized in that, The second heat dissipation module includes a first end and a second end, the first end is connected with the fan support, and the second end is connected with the sound insulation board. 3. The air conditioner outdoor unit according to claim 2, characterized in that: The fan support includes a first surface close to the sound insulation board and a second surface away from the sound insulation board, The first end of the second heat dissipation module is connected with the first surface of the fan support. 4. The air conditioner outdoor unit according to claim 2, wherein the sound insulation board includes a third surface close to the upper bottom plate of the casing of the air conditioner outdoor unit and a fourth surface close to the lower bottom plate of the casing of the air conditioner outdoor unit, The second end of the second heat dissipation module is connected with the third surface of the sound insulation board. 5. The air conditioner outdoor unit according to claim 2, wherein In the vertical direction, the height of the first end of the second heat dissipation module is higher than the height of the second end. 6. The air conditioner outdoor unit according to claim 1, characterized in that, The second heat dissipation module is an inflation plate, a tube-fin heat dissipation plate or a wire tube heat dissipation plate. 7. The outdoor unit of air conditioner according to any one of claims 1-6, characterized in that, The sound insulation board divides the cabin enclosed by the shell of the air conditioner outdoor unit into a fan cabin and a compressor cabin, The first heat dissipation module is arranged in the compressor compartment. 8. The air conditioner outdoor unit according to any one of claims 1-6, wherein one or more of the first heat dissipation module and the second heat dissipation module are configured as: The first heat dissipation module includes a first base body, the first working medium flow path is arranged in the first base body, and the first base body and the first working medium flow path are integrally formed; The second heat dissipation module includes a second base body, the second working medium flow path is arranged in the second base body, and the second base body and the second working medium flow path are integrally formed. 9. The air conditioner outdoor unit according to any one of claims 1-6, wherein one or more of the first pipeline and the second pipeline are set as: The first pipeline includes a first branch, a second branch and a third branch that are communicated in sequence, and the second branch forms a height difference between the first branch and the third branch; The second pipeline includes a fourth branch, a fifth branch and a sixth branch that are communicated in sequence, and the fifth branch forms a height difference between the fourth branch and the sixth branch. 10. An air conditioner, comprising the outdoor unit of the air conditioner according to any one of claims 1-9.

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