CN210070062U - A radiator, air conditioner outdoor unit and air conditioner - Google Patents

Abstract

The present application relates to a radiator, an air conditioner outdoor unit and an air conditioner. Wherein, the first heat dissipation member of the radiator is internally provided with a first working fluid pipeline, and the second heat dissipation member is internally provided with a second working fluid pipeline, a first pipeline portion, and a second pipeline portion; wherein, all the The first pipeline part and the second pipeline part are respectively connected between the first working fluid pipeline and the second working fluid pipeline to form a working fluid circuit, and the working fluid circuit is set to fill the heat exchange process. quality, the second pipeline portion includes one or more capillary segments.

Description

A radiator, air conditioner outdoor unit and air conditioner

technical field

The present application relates to the field of heat dissipation technology, for example, to a radiator, an outdoor unit of an air conditioner, 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 radiator is optimized by changing the area and shape of the heat dissipation fin.

In the process of implementing the embodiments of the present disclosure, it is found that there are the following problems in the related art: the existing radiator still cannot effectively dissipate heat to the frequency conversion module, which 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 an embodiment of the present disclosure, a heat sink is provided.

In some optional embodiments, the radiator includes: a first heat dissipation member with a first working fluid pipeline disposed inside, a second heat dissipation member with a second working medium pipeline disposed inside, the first pipeline part, and the second pipeline part; wherein, the first pipeline part and the second pipeline part are respectively connected between the first working fluid pipeline and the second working fluid pipeline to form a working fluid circuit, and the The working fluid circuit is configured to be filled with a heat exchange working fluid, and the second pipeline portion includes one or more capillary tube sections.

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

In some optional embodiments, the air conditioner outdoor unit includes the radiator as described above.

According to a third 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 heat sink provided by the embodiment of the present disclosure includes a first heat dissipation member and a second heat dissipation member, and the two heat dissipation members can dissipate heat generated by the object to be dissipated at the same time, thereby improving the heat dissipation effect of the heat sink. The second pipeline part of the radiator is provided with a capillary section, which increases the pressure in the working medium circuit and is beneficial to the circulating flow of the heat exchange working medium in the working medium loop; The heat-exchange working fluid of the heat-dissipating component is cooled twice, which improves the heat-dissipating capacity 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 a heat sink provided by an embodiment of the present disclosure;

2 is a schematic structural diagram of a first heat dissipation member provided by an embodiment of the present disclosure;

3 is another schematic structural diagram of a first heat dissipation member provided by an embodiment of the present disclosure;

4 is a schematic structural diagram of a second heat dissipation member provided by an embodiment of the present disclosure;

FIG. 5 is a schematic structural diagram of an installation position of a radiator in an outdoor unit of an air conditioner according to an embodiment of the present disclosure.

Reference number:

1: First heat dissipation member; 2: Second heat dissipation member; 3: First pipeline part; 4: Second pipeline part; 5: Fan; 6: Frequency conversion module; 7: Fan support; 11: First working medium pipeline; 12: cooling fin; 13: connecting hole; 21: second working fluid pipeline; 111: heat conduction pipe section; 112: first confluence pipe section; 113: second confluence pipe section; 114: first port; 115: second port; 116: first end process hole; 117: second end process hole; 211: first communication end; 212: second communication end; 213: third communication end; 214: fourth communication end; 41: The first pipe section of the second pipeline section; 42: the second pipe section of the second pipeline section; 43: the capillary section.

Detailed ways

The following description and drawings sufficiently illustrate the specific embodiments herein to enable those skilled in the art to practice them. Portions and features of some embodiments may be included in or substituted for those of other embodiments. The scope of the embodiments herein includes the full scope of the claims, along with all available equivalents of the claims. Herein, the terms "first," "second," etc. are only used to distinguish one element from another, and do not require or imply any actual relationship or order between the elements. In fact the first element can also be called the second element and vice versa. Furthermore, the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a structure, device or device comprising a list of elements includes not only those elements, but also others not expressly listed elements, or elements inherent to such structures, devices, or equipment. Without further limitation, an element qualified by the phrase "comprising a..." does not preclude the presence of additional identical elements in the structure, apparatus or device that includes the element. The various embodiments herein are described in a progressive manner, and each embodiment focuses on the differences from other embodiments, and it is sufficient to refer to each other for the same and similar parts between the various embodiments.

The terms "portrait", "landscape", "top", "bottom", "front", "rear", "left", "right", "vertical", "horizontal", "top", " The orientation or positional relationship indicated by "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the text and simplifying the description, rather than indicating or implying that the indicated device or element must be It has a specific orientation, is constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention. In the description herein, unless otherwise specified and limited, the terms "installed", "connected" and "connected" should be construed in a broad sense, for example, it may be a mechanical connection or an electrical connection, or the internal communication between two elements, It can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms can be understood according to specific situations.

As used herein, unless stated otherwise, the term "plurality" means two or more.

Embodiments of the present disclosure provide a heat sink.

The radiator provided by the embodiment of the present disclosure includes: a first heat dissipation member with a first working medium pipeline disposed inside, a second heat dissipation member with a second working medium pipeline disposed inside, a first pipeline part, and a second pipe circuit part, wherein a first pipeline part and a second pipeline part are respectively connected between the first working fluid pipeline and the second working fluid pipeline, forming a working fluid circuit, and the working fluid circuit is set to fill the heat exchange process. quality, the second pipeline portion includes one or more capillary segments.

Optionally, the first heat dissipation member 1 may also be referred to as an evaporation end, the second heat dissipation member 2 may also be referred to as a condensation end, the first pipeline portion 3 may also be referred to as a gas pipeline, and the second pipeline portion 4 may also be referred to as a gas pipeline. called the liquid line. The heat dissipation process of using the heat sink provided by the embodiment of the present disclosure for heat dissipation can be described as follows: the first heat dissipation member 1 acts as an evaporation end, and is in thermal contact with the object to be dissipated. After receiving heat, the liquid heat exchange process in the first heat dissipation member 1 After being heated, the mass becomes gaseous and takes away the undissipated heat. The gaseous heat exchange working medium enters the second heat dissipation member 2 through the gas pipeline 3, and the second heat dissipation member 2 serves as the condensing end, and the heat of the gaseous working After the heat is dissipated, the gaseous heat exchange working medium becomes liquid, and flows back to the first heat dissipation member 1 through the liquid pipeline 4 for the next heat dissipation cycle.

Optionally, the first pipeline portion 3 includes one or more first pipelines. Optionally, when the first pipeline portion 3 includes more than one first pipeline, the two ends of the one or more first pipelines converge. , the confluence ports at both ends are respectively communicated with the first working fluid pipeline and the second working fluid pipeline; optionally, the second pipeline part 4 includes one or more second pipelines, optionally, when the second pipeline When the circuit part 4 includes more than one second pipeline, two ends of the one or more second pipelines converge, and the confluence ports at the two ends are respectively connected to the first working medium pipeline and the second working medium pipeline.

The frequency conversion module of the outdoor unit of the air conditioner is equipped 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 are more compact. Densities continue to increase, and components tend to be miniaturized. Therefore, the heating power consumption of high-power components is increasing, and the heat flux density is rising sharply. Optionally, when the radiator provided by the embodiment of the present disclosure is used to dissipate heat from the frequency conversion module of the air conditioner, the heat generated by the frequency conversion module can be effectively dissipated. The heat sink provided by the disclosed embodiments has the capability of dissipating heat from the frequency conversion module in a high temperature environment. For example, 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 , using the heat sink provided by the embodiment of the present disclosure to cool down the frequency conversion module, 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 radiator provided by the embodiment of the present disclosure can lower the temperature of high-power components by 20-25° C. compared with the existing radiator, which improves the reliability of the operation of the air conditioner.

Optionally, as shown in FIG. 1 , the heat sink provided by the embodiment of the present disclosure includes a first heat dissipation member 1 and a second heat dissipation member 2 , wherein the first heat dissipation member 1 is provided with a first working fluid pipeline 11 inside, and the first heat dissipation member 1 is provided with a first working fluid pipeline 11 . A second working medium pipeline 21 is arranged inside the second heat dissipation member 2. The first working medium pipeline 11 and the second working medium pipeline 21 are communicated with the first pipeline part 3 and the second pipeline part 4 to form a working medium circuit , Optionally, the path of the working fluid circuit is the first working fluid pipeline 11, the first pipeline part 3, the second working fluid pipeline 21, the second pipeline part 4, and then from the second pipeline part 4 Return to the first working fluid pipeline 11 to complete a working fluid cycle. Optionally, the outer diameter of the first pipeline portion 3 may be 6-9 mm, and the thickness of the pipe wall may be 1-1.5 mm. Optionally, the first pipeline portion 3 may be a flexible pipeline, and the material thereof may be plastic.

In the radiator provided by the embodiment of the present disclosure, the second pipeline portion 4 includes one or more capillary tube sections 43 . The setting of the capillary section 43, on the one hand, increases the pressure in the working medium loop, which is beneficial to the circulating flow of the heat exchange working medium in the working medium loop, and improves the fluidity and flow rate of the heat exchange working medium in the working medium loop. Improve the heat dissipation efficiency of the radiator. For example, under the condition that the working fluid circuit is non-vacuum, the self-circulation flow of the heat exchange working fluid in the working fluid circuit can be realized; Realize the self-circulation flow of the heat exchange working medium in the working medium circuit; secondly, the capillary tube section 43 has the function of cooling down and reducing pressure, which can be used for secondary cooling of the heat exchange working medium passing through the second heat dissipation member 2, which improves the heat dissipation. the cooling effect of the device.

Optionally, the second pipeline section 4 includes more than one capillary tube section, and more than one capillary tube section can be arranged on the second pipeline section in series, or, more than one capillary tube section can be arranged on the second pipeline section in parallel. No matter in the form of series or parallel, more than one capillary tube section can be normally connected with other tube sections of the second pipeline part 4 .

The promotion effect of the capillary tube section 43 on the flow of the heat exchange working medium can be described as follows: the second pipeline section 4 is provided with the capillary tube section 43, after the heat exchange working medium in the first heat dissipation member 1 is heated and vaporized, due to the second pipeline section 4 The pressure is too large to flow into the second heat dissipation member 2 through the second pipeline part 4, so the first pipeline part 3 is selected to flow into the second heat dissipation member 2, which is beneficial to the self-circulation flow direction of the heat exchange working fluid in the working fluid circuit. the singularity.

Optionally, the capillary section 43 is disposed at one end of the second pipeline portion 4 close to the second working fluid pipeline 21 . The second pipeline portion 4 includes one end that is directly connected to the second working fluid pipeline and the other end that is directly connected to the first working fluid pipeline. The capillary section 43 is disposed on the second pipeline portion 4 close to the second working fluid. One end of the pipeline 21 is shown in FIG. 1 . The "close" here can also be understood as: the second pipeline part 4 includes a first pipe section 41 directly connected with the first working medium pipeline 11, and a second pipe section 42 directly connected with the second working medium pipeline 21, and the capillary tube section 43, the length of the first tube section 41 is greater than the length of the second tube section 42, and the first tube section 41 and the second tube section 42 are non-capillary tube sections. Optionally, the outer diameter of the first pipe section 41 and the second pipe section 42 may also be 6-9 mm, the thickness of the pipe wall may be 1-1.5 mm, and the first pipe section 41 or the second pipe section 42 may be a flexible pipeline, which The material can be plastic.

Optionally, the capillary tube section 43 is arranged close to the first end of the second working fluid pipeline 21. With this arrangement, when the capillary tube section 43 is prepared, it can be integrally formed with the second heat dissipation member 2, eliminating the need for the capillary tube section. 43 The welding step of the second pipeline part 4 simplifies the preparation process of the radiator. The preparation method of the capillary tube section 43 may be as follows: the second heat dissipation member 2 has a second external port communicated with the second pipeline portion 4, the length of the second external port is greater than the preset length of the capillary tube section 43, and the capillary tube section 43 is formed in the first section. Two external ports. The capillary tube section 43 is integrally formed with the second heat dissipation member 2, which improves the connection stability of the capillary tube section 43 in the radiator and prolongs the service life of the radiator. Optionally, the second heat dissipation member 2 has a first external port that communicates with the first pipeline portion 3 .

Optionally, the length of the capillary tube section 43 may be 40-200 mm, and the ratio of the inner diameter of the capillary tube section 43 to the inner diameter of the first pipeline portion 3 is 1:3-1:5, or, the inner diameter of the capillary tube section 43 and the second The ratio of the inner diameters of the first pipe section 41 of the pipeline part is 1:3-1:5, and the inner diameter of the first pipe section 41 is the same as the inner diameter of the second pipe section 42 .

In the heat sink provided by the embodiment of the present disclosure, the working medium circuit is filled with a heat exchange working medium, and the heat exchange working medium may be a phase change working medium that can undergo a phase change. Optionally, the heat exchange working medium here may be an electronic fluoride solution. Optionally, the heat exchange working fluid can be poured into the working fluid circuit without evacuating the working fluid circuit. Optionally, the embodiment of the present disclosure does not specifically limit the filling amount of the heat exchange working fluid in the working fluid circuit.

Optionally, in the heat sink provided by the embodiment of the present disclosure, the first heat dissipation member 1 includes a first heat dissipation base, and the first working fluid pipeline 11 is formed in the first heat dissipation base, which reduces the contact thermal resistance and improves the first heat dissipation. The heat dissipation capacity of the heat dissipation member. Optionally, the first heat dissipation base body and the first working fluid pipeline 11 in it are integrally formed, for example, the first heat dissipation member can be prepared by an extrusion molding method. Optionally, the first heat dissipation substrate may be block-shaped with six surfaces. When the object to be dissipated is an inverter module of an air conditioner, the first surface of the first heat dissipation substrate is in thermal contact with the inverter module of the air conditioner. Optionally, the material of the first heat dissipation substrate may be aluminum alloy. Optionally, thermal contact between the first heat dissipation member 1 and the object to be dissipated can be conducted by applying thermal conductive silicone grease or attaching a thermal conductive sheet to reduce the contact thermal resistance of the contact portion between the first heat dissipation member 1 and the object to be dissipated. .

Optionally, the first working medium pipeline includes a plurality of heat transfer pipe sections, a first confluence pipe section and a second confluence pipe section, the first confluence pipe section is in communication with the first ends of the plurality of heat transfer pipe sections, and the second confluence pipe section is connected with the plurality of heat transfer pipe sections. connected to the second end. In order to reduce the contact thermal resistance of the first heat dissipation member, a plurality of heat conduction pipe sections 111 are arranged in the first working medium pipeline 11 , as shown in FIG. 2 . The "first end" here is a collection of ports of a plurality of heat pipe segments, and similarly, the "second end" here is a collection of other ports of the plurality of heat pipe segments. Optionally, a plurality of heat transfer pipe sections 111 are arranged in parallel and side by side, the first manifold section 112 intersects with the first ends of the plurality of heat transfer pipe sections 111, and the second manifold section 113 intersects with the second ends of the plurality of heat transfer pipe sections 111. Here, the The intersection can be a vertical intersection. Optionally, the preparation method of the direct extrusion molding is used to prepare the first heat dissipation member blank including the plurality of heat transfer pipe sections 111, the first confluence pipe section 112 and the second confluence pipe section 113, and the prepared first heat dissipation member is In the blank, the plurality of heat transfer pipe segments 111 are through holes with openings at both ends. The second end process hole 117 is sealed to obtain the first heat dissipation member 1 . Optionally, the distances between the plurality of heat transfer pipe segments 111 are not equal. In the first heat dissipation member blank, both ends of the plurality of heat transfer pipe segments 111 extend to the third surface and the fourth surface of the first heat dissipation base, respectively, and the third surface and the fourth surface are disposed opposite to each other.

Optionally, the first manifold section 112 is provided with a first port 114 that communicates with the first pipeline section 3 , and the second manifold section 113 is provided with a second port 115 that communicates with the second pipeline section 4 . As shown in FIG. 2 , the first port 114 and the second port 115 are located at two ends of the same surface of the first heat dissipation base, respectively. Both the first port 114 and the second port 115 are located on the fifth surface of the first heat dissipation base.

Optionally, the surface of the first heat dissipation base of the heat sink provided by the embodiment of the present disclosure is further provided with heat dissipation fins 12 . The first heat-dissipating base and the heat-dissipating fins 12 can be prepared by a direct extrusion method, and the material can be aluminum alloy. The embodiment of the present disclosure does not specifically limit the number of the heat dissipation fins 12 . Optionally, the distances between the plurality of heat dissipation fins 12 may be unequal. A plurality of heat dissipation fins 12 are disposed on the second surface of the first heat dissipation base, and the second surface is disposed opposite to the first surface. Optionally, the heat dissipation fins 12 are perpendicular to the second surface of the first heat dissipation base, and the heat dissipation fins 12 The vertical distance from the free end of the fins to the second surface is 30-20mm, and the thickness of the heat dissipation fins 12 is 1.5mm.

Optionally, the surface of the first heat dissipation base is provided with connecting holes 13 for fixing the first heat dissipation member, as shown in FIG. 3 . Optionally, the connecting hole 13 may be an internal thread hole. Optionally, the region where the connection holes are provided on the first heat dissipation base does not overlap with the region where the first working fluid pipeline and the heat dissipation fin are provided. Optionally, the connection hole 13 is a through hole with both ends extending to the first surface and the second surface of the first heat dissipation base.

Optionally, the second heat dissipation member 2 provided in the embodiment of the present disclosure includes a second heat dissipation base, and the second working fluid pipeline 21 is formed in the second heat dissipation base, which reduces the contact thermal resistance and improves the heat dissipation of the second heat dissipation member. ability. Optionally, the material of the second heat dissipation substrate is an inflation plate, which is formed by pressing two layers of aluminum plates, which can perform natural convection heat dissipation and air cooling heat dissipation at the same time, and has high heat transfer capacity, high thermal conductivity, and weight. Lightweight advantages. Optionally, the shape of the inflation plate may be flat.

The shape of the second working fluid pipeline 21 is not specifically limited in the embodiment of the present disclosure. Optionally, the shape of the second working fluid pipeline 21 may be as shown in FIG. 1 and FIG. The first radiating pipe section that communicates with each other, and the second radiating pipe section that is directly communicated with the second pipeline portion 4, the first radiating pipe section is in communication with the second radiating pipe section. Optionally, the first radiating pipe section and the second radiating pipe section may be connected at one location or at multiple locations. Optionally, the first radiating pipe section includes a first communication end 211 that is directly communicated with the first pipeline portion 3, and a second communicating end 212 that is opposite to the first communicating end 211. The second radiating pipe section includes The third communication end 213 directly communicated with the part 4, and the fourth communication end 214 opposite to the third communication end 213, wherein the first heat dissipation pipe section and the second heat dissipation pipe section are directly connected through the second communication end 212 and the fourth communication end 214. Connected, the path of the heat dissipation pipe section is increased, and the heat dissipation effect of the second heat dissipation member is improved.

Optionally, the surface of the second heat dissipation member 2 is further provided with a heat dissipation reinforcement, the heat dissipation reinforcement can be integrally formed with the second heat dissipation base, the shape of the heat dissipation reinforcement can be a rectangle, a triangle, etc., and the heat dissipation reinforcement can increase the second heat dissipation. The heat dissipation area of the component improves the heat dissipation capability of the second heat dissipation component.

Optionally, the second heat dissipation base of the second heat dissipation member 2 is provided with a connecting part for fixing the second heat dissipation member 2. The connecting part here can be a U-shaped clip, which can be integrated with the second heat dissipation base. forming.

Embodiments of the present disclosure simultaneously provide an air conditioner outdoor unit and an air conditioner including the aforementioned radiator.

Optionally, as shown in FIG. 5 , the installation position of the radiator in the outdoor unit of the air conditioner may be: the first heat dissipation member 1 of the radiator is in thermal contact with the frequency conversion module 6 . The heat dissipation base is in contact with the lower surface of the high-power components to obtain the heat of the high-power components and dissipate heat. The second heat dissipation member 2 is installed on the fan bracket of the outdoor unit of the air conditioner for natural convection heat dissipation and air cooling heat dissipation. Optionally, when the radiator provided in the embodiment of the present disclosure is installed on the outdoor unit of the air conditioner, the first working fluid pipeline 11 and the second working fluid pipeline 21 have a height difference, and in the vertical direction, the first working fluid pipeline 11 has a height difference. The height is lower than the height of the second working medium pipeline 21, which is beneficial to the circulating flow of the heat exchange working medium in the working medium circuit. The circulating flow method at this time may be as follows: the heat exchange working fluid in the first working fluid pipeline 11 is heated to become gas, and the gas moves upward along the first pipeline part 3 and enters the second working fluid pipeline 21, and the second working fluid moves upwardly. The gaseous heat exchange working medium in the mass pipeline 21 becomes liquid after heat dissipation, and the liquid working medium moves downward through the second pipeline part 4 under the action of the pressure of the capillary section and the action of gravity, and flows back to the first working medium tube Road 11, completes a cooling cycle.

Optionally, the second heat dissipation member 2 can be installed on the fan support 7 of the outdoor unit of the air conditioner. Compared with the existing installation on the side of the fan 5, the installation position of the second heat dissipation member provided by the embodiment of the present disclosure is outside the air conditioner. The larger space in the machine is beneficial to increase the volume of the second heat dissipation member and increase the heat dissipation area, and the air flow on the upper part of the fan 5 is smoother, which further improves the heat dissipation capacity of the second heat dissipation member 2 .

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. A radiator, characterized in that, comprising: The first heat dissipation member is provided with a first working medium pipeline inside, The second heat dissipation member is provided with a second working fluid pipeline inside, the first line section, and the second pipeline part; Wherein, the first working fluid pipeline and the second working fluid pipeline are respectively connected with the first pipeline part and the second pipeline part to form a working fluid circuit, and the working fluid circuit is set to be filled with heat exchange medium, The second conduit portion includes one or more capillary segments. 2. The heat sink of claim 1, wherein The capillary tube section is arranged at one end of the second pipeline portion close to the second working medium pipeline. 3. The heat sink of claim 1, wherein The second pipeline portion further includes a first pipe section, and the ratio of the inner diameter of the capillary section to the first pipe section is 1:3-1:5. 4. The heat sink of claim 1, wherein The length of the capillary section is 40-200 mm. 5. The heat sink of claim 1, wherein The first heat dissipation member includes a first heat dissipation base, and the first working fluid pipeline is formed in the first heat dissipation base. 6. The heat sink of claim 1, wherein The second heat dissipation member includes a second heat dissipation base, and the second working fluid pipeline is formed in the second heat dissipation base. 7. The heat sink of claim 1, wherein The second heat dissipation base is an inflation plate. 8. An air conditioner outdoor unit, characterized in that it comprises the radiator according to any one of claims 1-7. 9. The air conditioner outdoor unit according to claim 8, further comprising a frequency conversion module, The first heat dissipation member is in thermal contact with the frequency conversion module. 10. An air conditioner comprising the air conditioner outdoor unit according to claim 8 or 9.

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