Air conditioning assembly, air conditioner and heat dissipation method of air conditioning assembly

Abstract

This application relates to an air-conditioning component, an air conditioner and a heat dissipation method for the air-conditioning component. The component includes: a flat refrigerant pipe and a power device. In this application, the flat surface of the flat refrigerant pipe is directly attached to the surface of the air-conditioning power device. Due to its flat pipe shape, the flat refrigerant pipe can directly fit and contact the power device with a large contact area, and can dissipate heat directly without other auxiliary heat dissipation structures, reducing the heat transfer path. The heat dissipation effect is better than the indirect heat dissipation method of using other auxiliary heat dissipation structures in the prior art, and the structure is simpler. N refrigerant channel pipes are arranged in the flat refrigerant pipe in parallel along the flat surface of the flat refrigerant pipe. The setting of the refrigerant channel pipes increases the heat exchange area and improves the heat dissipation effect. The structure of this application is simple and the temperature reduction effect is good, which can effectively cool the power device.

Description

Technical Field

[0001] This application relates to the technical field of electrical appliance heat dissipation, in particular to an air-conditioning component, an air conditioner, and a heat dissipation method for an air-conditioning component. Background Art

[0002] On the circuit board of the variable-frequency air-conditioning outdoor unit, power devices such as IPM, transistors, diodes, and rectifier bridges generate a large amount of heat during operation, and heat dissipation is required for these power devices. The traditional heat dissipation method is to paste the power devices on the radiator, and the heat is conducted to the air through the radiator, which belongs to a pure air-cooled heat dissipation method.

[0003] With the high-density and multi-functional requirements of products, the high-speed development of high-power and microelectronic integration technologies, the power density and heat generation of devices have increased significantly, and the existing air-cooled heat dissipation method is increasingly difficult to meet the heat dissipation requirements of power devices. In addition, the current air-conditioning usage environment is becoming more and more harsh. When the outdoor unit operates in a high-temperature environment, the air temperature flowing through the radiator is high, and the air-cooled heat dissipation method has low efficiency, resulting in the heat generated by the power devices not being effectively dissipated, affecting the performance and reliability of the system.

[0004] The existing patented technology, a control board assembly, an air-conditioning outdoor unit, and an air-conditioning system, application number CN201520706402.3, discloses a control board assembly, an air-conditioning outdoor unit, and an air-conditioning system. Among them, the control board assembly is used for an air-conditioning outdoor unit. The control board assembly includes a coil radiator, a fin radiator, and a control board disposed between the coil radiator and the fin radiator. The fin radiator is installed in the air duct of the air-conditioning outdoor unit, and the control board is cooled by the cold air in the air duct; the coil radiator includes a first heat dissipation plate fixedly connected to the control board and a heat exchange tube disposed on the surface of the first heat dissipation plate facing away from the control board. The heat exchange tube is installed in the refrigerant flow path of the air-conditioning outdoor unit, and the control board is cooled by the refrigerant in the refrigerant flow path.

[0005] In the existing technology, the heat exchange tube is disposed on the surface of the heat dissipation plate, and then the heat dissipation plate contacts the control board, and the heat dissipation efficiency is still low. Therefore, there is an urgent need for an air-conditioning component that can dissipate heat efficiently. Summary of the Invention

[0006] To overcome the problems existing in the related art, this application provides an air-conditioning component, which includes a refrigerant flat tube and a power device. This air-conditioning component uses the existing refrigerant of the air conditioner to flow through the refrigerant flat tube attached to the surface of the power device to cool the power device, and the low-temperature refrigerant can efficiently cool the power device.

[0007] The first aspect of this application provides an air-conditioning component, including a refrigerant flat tube and a power device;

[0008] The flat surface of the refrigerant flat tube is attached to the power device;

[0009] The refrigerant flat tube includes N refrigerant channel tubes arranged in parallel along the flat plane, where N is an integer greater than one.

[0010] In one embodiment, the flat plane of the refrigerant flat tube is a flat and smooth flat plane.

[0011] In one embodiment, the width of the refrigerant flat tube is less than or equal to 30 millimeters, and the thickness of the refrigerant flat tube is less than or equal to 3.3 millimeters.

[0012] In one embodiment, the diameter of the refrigerant channel tube is less than or equal to 3 millimeters.

[0013] In one embodiment, two adjacent refrigerant channel tubes are interconnected.

[0014] In one embodiment, the air-conditioning assembly further includes a tooling box, which includes an upper cover and a bottom plate. The bottom plate is provided with openings corresponding to the power devices one by one for accommodating the power devices; the upper cover includes an upper plate and side plates. The upper plate is disposed opposite to the bottom plate, and the side plates are provided with openings through which the refrigerant flat tube closely abuts against the power devices and passes through the tooling box.

[0015] The second aspect of the present application provides an air conditioner, including any one of the above-mentioned air-conditioning assemblies.

[0016] In one embodiment, the air conditioner further includes an indoor heat exchanger and an outdoor heat exchanger;

[0017] The indoor heat exchanger includes a first port of the indoor heat exchanger and a second port of the indoor heat exchanger;

[0018] The outdoor heat exchanger includes a first port of the outdoor heat exchanger and a second port of the outdoor heat exchanger;

[0019] The refrigerant flat tube includes a first port of the refrigerant flat tube and a second port of the refrigerant flat tube;

[0020] The second port of the outdoor heat exchanger is connected to the first port of the refrigerant flat tube, and the second port of the refrigerant flat tube is connected to the first port of the indoor heat exchanger.

[0021] In one embodiment, the air conditioner further includes a compressor and a four-way valve;

[0022] The compressor includes a first port of the compressor and a second port of the compressor;

[0023] The four-way valve includes a first port of the four-way valve, a second port of the four-way valve, a third port of the four-way valve, and a fourth port of the four-way valve;

[0024] The first port of the compressor is connected to the first port of the four-way valve. The third port of the four-way valve is connected to the first port of the outdoor heat exchanger. The second port of the outdoor heat exchanger is connected to the first port of the refrigerant flat tube. The second port of the refrigerant flat tube is connected to the first port of the indoor heat exchanger. The second port of the indoor heat exchanger is connected to the fourth port of the four-way valve. The second port of the four-way valve is connected to the second port of the compressor.

[0025] The third aspect of the present application provides a heat dissipation method for an air-conditioning assembly, which is characterized by including the air conditioner mentioned above;

[0026] When the air conditioner is in the cooling mode, the refrigerant in the air conditioner flows to the first port of the outdoor heat exchanger, flows to the first port of the refrigerant flat tube through the second port of the outdoor heat exchanger, and flows to the first port of the indoor heat exchanger through the second port of the refrigerant flat tube;

[0027] When the air conditioner is in the heating mode, the refrigerant flows to the second port of the indoor heat exchanger, flows to the second port of the refrigerant flat tube through the first port of the indoor heat exchanger, and flows to the second port of the outdoor heat exchanger through the first port of the refrigerant flat tube.

[0028] The technical solution provided by the present application may include the following beneficial effects: In the present application, the flat surface of the refrigerant flat tube is directly attached to the surface of the air-conditioning power device. Due to its flat tube shape, the refrigerant flat tube can be directly attached to and in contact with the power device with a large contact area, and can dissipate heat directly without other auxiliary heat dissipation structures, reducing the heat transfer path. The heat dissipation effect is better than the indirect heat dissipation method using other auxiliary heat dissipation structures in the prior art, and the structure is simpler. N refrigerant channel tubes are arranged in parallel along the flat surface of the refrigerant flat tube in the refrigerant flat tube. The arrangement of the refrigerant channel tubes increases the heat exchange area and improves the heat dissipation effect.

[0029] In the present application, the refrigerant flat tube is attached to the power device, and the refrigerant flows through the refrigerant channel tubes in the refrigerant flat tube, directly using the low-temperature refrigerant in the refrigerant channel tubes to cool the power device. The refrigerant has a low temperature, the structure is simple and the cooling effect is good, and the power device can be effectively cooled.

[0030] It should be understood that the above general description and the following detailed description are only exemplary and explanatory, and cannot limit the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] By describing the exemplary embodiments of the present application in more detail in conjunction with the drawings, the above and other objects, features, and advantages of the present application will become more obvious. Among them, in the exemplary embodiments of the present application, the same reference numerals generally represent the same components.

[0032] Figure 1It is the structural diagram of the air conditioner assembly shown in the embodiments of the present application;

[0033] Figure 2 It is the refrigerant flow structural diagram in the cooling mode of the air conditioner assembly heat dissipation method shown in the embodiments of the present application;

[0034] Figure 3 It is the refrigerant flow chart in the cooling mode of the air conditioner assembly heat dissipation method shown in the embodiments of the present application;

[0035] Figure 4 It is the refrigerant flow structural diagram in the heating mode of the air conditioner assembly heat dissipation method shown in the embodiments of the present application;

[0036] Figure 5 It is the refrigerant flow chart in the heating mode of the air conditioner assembly heat dissipation method shown in the embodiments of the present application;

[0037] Figure 6 It is the schematic diagram of the refrigerant flat tube structure shown in the embodiments of the present application;

[0038] Figure 7 It is the schematic diagram of the side structure of the refrigerant flat tube shown in the embodiments of the present application;

[0039] Figure 8 It is the schematic diagram of the refrigerant channel tube structure shown in the embodiments of the present application;

[0040] Figure 9 It is the schematic diagram of the tooling box structure of the air conditioner assembly shown in the embodiments of the present application. Detailed implementation manners

[0041] Hereinafter, the preferred embodiments of the present application will be described in more detail with reference to the accompanying drawings. Although the preferred embodiments of the present application are shown in the drawings, it should be understood that the present application can be implemented in various forms and should not be limited by the embodiments set forth herein. On the contrary, these embodiments are provided so that the present application will be more thorough and complete, and can fully convey the scope of the present application to those skilled in the art.

[0042] The terms used in the present application are only for the purpose of describing specific embodiments and are not intended to limit the present application. The singular forms "a", "the" and "said" used in the present application and the appended claims are also intended to include the plural forms unless the context clearly indicates otherwise. It should also be understood that the term "and / or" used herein refers to and includes any and all possible combinations of one or more of the associated listed items.

[0043] It should be understood that although the terms "first", "second", "third", etc. may be used in this application to describe various information, such information should not be limited to these terms. These terms are only used to distinguish information of the same type from each other. For example, without departing from the scope of this application, the first information may also be referred to as the second information, and similarly, the second information may also be referred to as the first information. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of this application, the meaning of "a plurality" is two or more, unless otherwise specifically defined.

[0044] Embodiment 1

[0045] On the circuit board of the outdoor unit of a variable-frequency air conditioner, power devices such as IPM, transistors, diodes, and rectifier bridges generate a large amount of heat during operation. To dissipate the heat of these power devices, the traditional heat dissipation method is to paste the power devices on the radiator, and the heat is conducted to the air through the radiator, which belongs to a pure air-cooled heat dissipation method.

[0046] With the high-density and multi-functional requirements of products, the rapid development of high-power and microelectronics integration technologies, the power density and heat generation of devices have increased significantly. The existing air-cooled heat dissipation method is increasingly difficult to meet the heat dissipation requirements of power devices. In addition, the current air conditioner usage environment is becoming more and more harsh. When the outdoor unit operates in a high-temperature environment, the air temperature flowing through the radiator is high, and the air-cooled heat dissipation method has low efficiency, resulting in the heat generated by the power devices not being effectively dissipated, affecting the performance and reliability of the system.

[0047] The existing patented technology, control board assembly, air conditioner outdoor unit, and air conditioner system, application number CN201520706402.3, discloses a control board assembly, air conditioner outdoor unit, and air conditioner system. Among them, the control board assembly is used for the air conditioner outdoor unit. The control board assembly includes a coil radiator, a fin radiator, and a control board disposed between the coil radiator and the fin radiator. The fin radiator is used to be installed in the air duct of the air conditioner outdoor unit, and the control board is cooled by the cold air in the air duct; the coil radiator includes a first heat dissipation plate fixedly connected to the control board and heat exchange tubes disposed on the surface of the first heat dissipation plate facing away from the control board. The heat exchange tubes are installed in the refrigerant flow path of the air conditioner outdoor unit to cool the control board through the refrigerant in the refrigerant flow path.

[0048] In the existing technology, the heat exchange tubes are disposed on the surface of the heat dissipation plate, and then the heat dissipation plate contacts the control board, and the heat dissipation efficiency is still low. Therefore, there is an urgent need for an air conditioner component with high heat dissipation efficiency.

[0049] In view of the above problems, an embodiment of the present application provides an air-conditioning component. By using the refrigerant in an existing air conditioner to flow through a flat heat-dissipating refrigerant pipe attached to the surface of a power device, the power device can be efficiently cooled.

[0050] The technical solutions of the embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0051] Figure 1 It is a structural diagram of the air-conditioning component shown in the embodiment of the present application.

[0052] See Figure 1 ,

[0053] The air-conditioning component of the embodiment of the present application includes a flat refrigerant pipe and a power device.

[0054] The flat surface of the flat refrigerant pipe is attached to the power device, that is, due to the flat pipe shape of the flat refrigerant pipe, it can be directly attached to and in contact with the power device, and the contact area is large. It can dissipate heat directly without other auxiliary heat-dissipating structures, reducing the heat transfer path.

[0055] Both ends of the flat refrigerant pipe are respectively connected to the refrigerant pipes of the air conditioner to cool the power device through the refrigerant in the refrigerant pipes.

[0056] N refrigerant channel pipes arranged in parallel along the flat surface of the flat refrigerant pipe are provided in the flat refrigerant pipe, where N is an integer greater than one. The number of refrigerant channel pipes is not limited in this embodiment and should be determined according to actual application requirements.

[0057] The working principle of the current air conditioner is that the compressor compresses the gaseous refrigerant into a high-temperature and high-pressure gaseous refrigerant, and then sends it to the condenser (outdoor unit) for heat dissipation to become a low-temperature and high-pressure liquid refrigerant. The liquid refrigerant enters the evaporator (indoor unit) through the refrigerant pipe. The space suddenly increases and the pressure decreases, so the liquid refrigerant will vaporize and become a gaseous low-temperature refrigerant, thereby absorbing a large amount of heat, and the evaporator will become cold. The fan of the indoor unit blows the indoor air through the evaporator, so the air blown out by the indoor unit is cold air. Then the gaseous refrigerant returns to the compressor to continue compression and continue to circulate. For heating, through the four-way valve, the flow direction of the refrigerant in the condenser and the evaporator is opposite to that during refrigeration. Therefore, when heating, the outdoor unit blows cold air and the indoor unit blows hot air. Therefore, the current air conditioner realizes the heating and cooling effects through the refrigerant flow cycle. The heat dissipation of the power device of the air conditioner in the embodiment of the present application directly uses the low-temperature refrigerant in the air conditioner to achieve the heat dissipation effect, without the need to set other heat dissipation agents or radiators.

[0058] Advantages of the embodiments of the present application: By directly attaching the flat surface of the refrigerant flat tube to the surface of the air conditioner power device, the refrigerant flat tube can be directly attached and contacted with the power device due to its flat tube shape, and the contact area is large. It can dissipate heat directly without other auxiliary heat dissipation structures, reducing the heat transfer path. The heat dissipation effect is better than the indirect heat dissipation method of using other auxiliary heat dissipation structures in the prior art, and the structure is simpler. N refrigerant channel tubes are arranged in the refrigerant flat tube in parallel along the flat surface of the refrigerant flat tube. The setting of the refrigerant channel tubes increases the heat exchange area and improves the heat dissipation effect.

[0059] In the embodiments of the present application, the refrigerant flat tube is attached to the power device, and the refrigerant flows through the refrigerant channel tubes in the refrigerant flat tube, and the low-temperature refrigerant in the refrigerant channel tubes is directly used to cool the power device. The refrigerant has a low temperature, a simple structure and a good cooling effect, and can effectively cool the power device.

[0060] Embodiment Two

[0061] The above embodiments introduce that the air conditioner components can dissipate heat efficiently. In actual applications, the heat of the air conditioner components comes from their own power devices, such as power devices such as IPM, transistors, diodes, and rectifier bridges. In order to better cool the air conditioner power devices, it is necessary to further improve the close contact between the refrigerant flat tube and the power device.

[0062] The power devices include power devices such as IPM, transistors, diodes, and rectifier bridges. These power devices generate a large amount of heat during operation. The flat surface of the refrigerant flat tube is attached and fixed to these power devices, and the refrigerant flowing through the refrigerant flat tube is directly used to cool the power devices.

[0063] Furthermore, in order to better install and fix the refrigerant flat tube and the power device, the embodiments of the present application provide a tooling box for fixing the refrigerant flat tube and the power device, such as Figure 9As shown. The tooling box includes an upper cover 1 and a bottom plate 2. The bottom plate 2 is provided with openings (not shown in the figure) corresponding to the power devices one by one, that is, the shape and quantity of the openings match the power devices, aiming to enable the power devices to be arranged concentratedly and placed in the tooling box. The upper cover 1 of the tooling box includes an upper plate and side plates. The upper plate is arranged opposite to the bottom plate 2 and has a matching shape. The shape of the upper plate can be a circular plate or a square plate, and the specific shape can be set according to the distribution of the power devices. The side plates are set according to the shape of the upper plate and are not limited here. For example, if the upper plate is a square upper plate, then there are four side plates arranged in pairs opposite to each other and connected to the upper plate to form the upper cover 1 of the tooling box. If the upper plate is a circular upper plate, then the side plate is a bent plate connected to the upper plate to form the upper cover 1 of the tooling box. The side plates are provided with openings for the refrigerant flat tubes to pass through. The quantity and shape of the openings are not limited as long as the refrigerant flat tubes can pass through the tooling box. The lower edge of the opening is on the same horizontal plane as the upper surface of the power device, so that the refrigerant flat tube is exactly on the surface of the power device after passing through.

[0064] Beneficial effects of the embodiment of the present application: Through the setting of the tooling box, the power devices are placed in the tooling box, and openings are provided on the upper cover of the tooling box to enable the refrigerant flat tubes to pass through the tooling box. By setting the opening positions of the tooling box, the refrigerant flat tubes are closely attached to the power devices, realizing direct cooling of the power devices and further improving the cooling effect.

[0065] Embodiment Three

[0066] The above embodiments introduce that the refrigerant flat tubes are arranged on the surface of the power devices. In order to further improve the cooling effect, the embodiment of the present application will further introduce the refrigerant flat tubes.

[0067] The flat surface of the refrigerant flat tube is a flat and smooth surface, which is for better fitting with the surface of the power device. The refrigerant flat tube in the embodiment of the present application is a micro-channel flat tube, that is, the refrigerant flat tube is small in volume and has a flat tube shape. The setting of the flat tube is to enable the refrigerant flat tube to better fit with the power device and have a larger fitting area. Compared with a round tube, the flat tube has a larger contact area with the power device. The larger the contact area, the larger the heat exchange area, and the better the heat dissipation effect.

[0068] The refrigerant flat tube in the embodiment of the present application is a micro-channel flat tube as Figure 6 shown. Specifically, the width W of the refrigerant flat tube is less than or equal to 30 mm, the thickness H of the refrigerant flat tube is less than or equal to 3.3 mm. The width W direction of the refrigerant flat tube is the arrangement direction of the refrigerant channel tubes, the length direction of the refrigerant flat tube is the channel direction of the refrigerant channel tubes, and the thickness H direction of the refrigerant flat tube is perpendicular to the arrangement direction of the refrigerant channel tubes. As Figure 7 shown, in the embodiment of the present application, the width W of the refrigerant flat tube is 30 mm and the thickness H of the refrigerant flat tube is 3.3 mm.

[0069] The refrigerant flat tube in the embodiment of the present application is an aluminum refrigerant flat tube.

[0070] There are also N refrigerant channel tubes provided inside the refrigerant flat tube in the embodiment of the present application. The refrigerant channel tubes are arranged linearly and parallel along the length of the refrigerant flat tube. N is an integer greater than one, and the number of refrigerant channel tubes in the present application is not limited. The diameter a of the refrigerant channel tube is less than or equal to 3 millimeters. As Figure 6 shown, the wall thickness d of the refrigerant channel tube is less than 0.3 millimeters. In the embodiment of the present application, the diameter a of the refrigerant channel tube is 3 millimeters.

[0071] There are several cuts provided on the tube wall between the refrigerant channel tubes, so that two adjacent refrigerant channel tubes are interconnected. As Figure 8 shown, such a structural setting can enable the refrigerant flowing through the refrigerant channel tubes to circulate with each other, further increasing the heat exchange area and further enhancing the heat dissipation effect.

[0072] The beneficial effects of the embodiment of the present application: The refrigerant flat tube adopts a structure with N refrigerant channel tubes provided inside. The refrigerant flat tube can better contact with the power device, can increase the contact area. When the volume of the refrigerant flat tube is certain, the larger the contact area with the power device, the larger the heat exchange area, and the better the heat dissipation effect. N refrigerant channel tubes are provided inside the refrigerant flat tube, further increasing the heat exchange area, and several cuts are provided on the tube wall between the refrigerant channel tubes. The cuts can make the refrigerant flow more smoothly, further increasing the heat dissipation effect.

[0073] Embodiment Four

[0074] The above embodiments introduce the structure of the air-conditioning component. The embodiment of the present application will introduce an air conditioner provided with the air-conditioning component of the above embodiment. The air conditioner is provided with the above air-conditioning component, which can effectively improve the heat dissipation efficiency of the power device, can ensure the performance and reliability of the air-conditioning system, effectively avoid the problem of poor heat dissipation effect in a high-temperature environment, and improve the comfort of air conditioner use.

[0075] In addition to having the air-conditioning component of the above embodiment, the air conditioner in the embodiment of the present application further includes an indoor heat exchanger and an outdoor heat exchanger;

[0076] The indoor heat exchanger includes an indoor heat exchanger first port 401 and an indoor heat exchanger second port 402;

[0077] The outdoor heat exchanger includes an outdoor heat exchanger first port 301 and an outdoor heat exchanger second port 302;

[0078] The refrigerant flat tube includes a refrigerant flat tube first port 601 and a refrigerant flat tube second port 602;

[0079] The second port 302 of the outdoor heat exchanger is connected to the first port 601 of the flat refrigerant tube, and the second port 602 of the flat refrigerant tube is connected to the first port 401 of the indoor heat exchanger.

[0080] Further, the air conditioner further includes a compressor and a four-way valve. The compressor includes a first port 101 and a second port 102 of the compressor.

[0081] The four-way valve includes a first port 201, a second port 202, a third port 203, and a fourth port 204 of the four-way valve. The four-way valve has two conduction states. One conduction state is that the first port 201 of the four-way valve is conducted with the third port 203 of the four-way valve, and the second port 202 of the four-way valve is conducted with the fourth port 204 of the four-way valve. The other conduction state is that the first port 201 of the four-way valve is conducted with the fourth port 204 of the four-way valve, and the second port 202 of the four-way valve is conducted with the third port 203 of the four-way valve.

[0082] The user can also set a throttle valve as needed.

[0083] The throttle valve includes a first port 501 and a second port 502 of the throttle valve.

[0084] The first port 101 of the compressor is connected to the first port 201 of the four-way valve, the third port 203 of the four-way valve is connected to the first port 301 of the outdoor heat exchanger, the second port 302 of the outdoor heat exchanger is connected to the first port 501 of the throttle valve, the second port 502 of the throttle valve is connected to the first port 601 of the flat refrigerant tube, the second port 602 of the flat refrigerant tube is connected to the first port 401 of the indoor heat exchanger, the second port 402 of the indoor heat exchanger is connected to the fourth port 204 of the four-way valve, and the second port 202 of the four-way valve is connected to the second port 102 of the compressor.

[0085] The beneficial effects of the embodiments of the present application: The air conditioner is provided with a compressor, a four-way valve, an indoor heat exchanger, an outdoor heat exchanger, and a throttle valve. In addition to realizing the heating and cooling functions of the prior art, the air conditioner is provided with the above control components, and uses the refrigerant of the existing air conditioner to effectively improve the heat dissipation efficiency of the power device, which can ensure the performance and reliability of the air conditioner, effectively avoid the problem of poor heat dissipation effect in a high-temperature environment, and improve the comfort of using the air conditioner.

[0086] Embodiment Five

[0087] The above embodiments all introduce the air conditioner components and the air conditioner provided with the air conditioner components. The embodiments of the present application will introduce the heat dissipation method for dissipating heat of the air conditioner components of the air conditioner.

[0088] At present, the operation of the air conditioner is divided into two modes, namely the cooling mode and the heating mode.

[0089] When the air conditioner is in the cooling mode, such asFigure 2 and Figure 3 As shown in Figure 3 , when the air conditioner is in the cooling mode, the refrigerant in the air conditioner flows out from the first port 101 of the compressor to the first port 201 of the four-way valve, flows to the first port 301 of the outdoor heat exchanger through the third port 203 of the four-way valve, flows to the first port 501 of the throttle valve through the second port 302 of the outdoor heat exchanger, flows to the first port 601 of the refrigerant flat tube through the second port 502 of the throttle valve, flows to the first port 401 of the indoor heat exchanger through the second port 602 of the refrigerant flat tube, flows to the fourth port 204 of the four-way valve through the second port 402 of the indoor heat exchanger, and flows back to the second port 102 of the compressor through the second port 202 of the four-way valve.

[0090] When the air conditioner is in the heating mode, as Figure 4 and Figure 5 shown, the refrigerant flows out from the first port 101 of the compressor to the first port 201 of the four-way valve, flows to the second port 402 of the indoor heat exchanger through the fourth port 204 of the four-way valve, flows to the second port 602 of the refrigerant flat tube through the first port 401 of the indoor heat exchanger, flows to the second port 502 of the throttle valve through the first port 601 of the refrigerant flat tube, flows to the second port 302 of the outdoor heat exchanger through the first port 501 of the throttle valve, flows to the third port 203 of the four-way valve through the first port 301 of the outdoor heat exchanger, and flows to the second port 102 of the compressor through the second port 202 of the four-way valve.

[0091] Beneficial effects of the embodiments of the present application: In the air-conditioning component heat dissipation method of the present application, when the air-conditioning system operates in the cooling mode, the refrigerant flowing out from the outdoor heat exchanger is used to dissipate heat from the power device. When the air-conditioning system operates in the heating mode, the refrigerant flowing out from the indoor heat exchanger is used to dissipate heat from the power device. Whether in the cooling mode or the heating mode, the temperature of the refrigerant in the refrigerant flat tube of the air-conditioning component is lower than the temperature of the power device, and the power device can be effectively dissipated.

[0092] The embodiments of the present application have been described above. The above description is exemplary and not exhaustive, and is not limited to the disclosed embodiments. Many modifications and variations are obvious to those of ordinary skill in the art in the technical field without departing from the scope and spirit of the described embodiments. The selection of the terms used herein is intended to best explain the principles of the embodiments, the practical application or the improvement of the technology in the market, or to enable other ordinary technical personnel in the technical field to understand the embodiments disclosed herein.

Claims

1. An air-conditioning component, characterized in that: It includes a refrigerant flat tube and a power device; The flat surface of the refrigerant flat tube is attached to the power device; The refrigerant flat tube includes N refrigerant channel tubes arranged in parallel along the flat surface, where N is an integer greater than one; the air-conditioning assembly further includes a tooling box, the tooling box includes an upper cover (1) and a bottom plate (2), the bottom plate (2) is provided with openings corresponding to the power devices one by one for accommodating the power devices; the upper cover (1) includes an upper plate and side plates, the upper plate is arranged opposite to the bottom plate (2), and the side plates are provided with openings through which the refrigerant flat tube passes closely to the power device through the tooling box.

2. The air-conditioning component according to claim 1, characterized in that: The flat surface of the refrigerant flat tube is a flat and smooth flat surface.

3. The air-conditioning component according to claim 1, characterized in that: The width (W) of the refrigerant flat tube is less than or equal to 30 millimeters, and the thickness (H) of the refrigerant flat tube is less than or equal to 3.3 millimeters.

4. The air-conditioning component according to claim 1, characterized in that: The pipe diameter (a) of the refrigerant channel tube is less than or equal to 3 millimeters.

5. The air-conditioning component according to claim 1, characterized in that: Two adjacent refrigerant channel tubes are interconnected.

6. An air conditioner, characterized in that: It includes the air-conditioning assembly according to any one of claims 1 to 5.

7. The air conditioner according to claim 6, characterized in that: The air conditioner further includes an indoor heat exchanger and an outdoor heat exchanger; The indoor heat exchanger includes an indoor heat exchanger first port (401) and an indoor heat exchanger second port (402); The outdoor heat exchanger includes an outdoor heat exchanger first port (301) and an outdoor heat exchanger second port (302); The refrigerant flat tube includes a refrigerant flat tube first port (601) and a refrigerant flat tube second port (602); The outdoor heat exchanger second port (302) is connected to the refrigerant flat tube first port (601), and the refrigerant flat tube second port (602) is connected to the indoor heat exchanger first port (401).

8. The air conditioner according to claim 7, characterized in that: The air conditioner further includes a compressor and a four-way valve; The compressor includes a compressor first port (101) and a compressor second port (102); The four-way valve includes a four-way valve first port (201), a four-way valve second port (202), a four-way valve third port (203) and a four-way valve fourth port (204); The compressor first port (101) is connected to the four-way valve first port (201), the four-way valve third port (203) is connected to the outdoor heat exchanger first port (301), the outdoor heat exchanger second port (302) is connected to the refrigerant flat tube first port (601), the refrigerant flat tube second port (602) is connected to the indoor heat exchanger first port (401), the indoor heat exchanger second port (402) is connected to the four-way valve fourth port (204), and the four-way valve second port (202) is connected to the compressor second port (102).

9. An air-conditioning component heat dissipation method, characterized in that: It includes the air conditioner according to claim 7 or 8; When the air conditioner is in the cooling mode, the refrigerant in the air conditioner flows to the outdoor heat exchanger first port (301), flows to the refrigerant flat tube first port (601) through the outdoor heat exchanger second port (302), and flows to the indoor heat exchanger first port (401) through the refrigerant flat tube second port (602); When the air conditioner is in the heating mode, the refrigerant flows to the second port (402) of the indoor heat exchanger, flows to the second port (602) of the refrigerant flat tube through the first port (401) of the indoor heat exchanger, and flows to the second port (302) of the outdoor heat exchanger through the first port (601) of the refrigerant flat tube.

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