Air conditioner outdoor unit

Abstract

The utility model discloses an air conditioner outdoor unit which comprises a heat exchanger pipe body and a convection assembly. A heat dissipation coating containing graphene is arranged on the surface of the outer side of the heat exchanger pipe body. The convection assembly is arranged adjacent to the heat exchanger pipe body and used for guiding air around the heat exchanger pipe body to form airflow to flow in the direction away from the heat exchanger pipe body. According to the air conditioner outdoor unit, the heat dissipation coating containing the graphene material is arranged on the outer side surface of the heat exchanger pipe body so that the heat exchange coefficient of the heat exchanger pipe body can be increased, then convection heat exchange with the heat exchanger pipe body is enhanced in cooperation with the convection assembly, and the overall energy efficiency of the air conditioner outdoor unit can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of air conditioning, in particular to an outdoor unit of an air conditioner. Background Art

[0002] The outdoor unit of an air conditioner is an integral part of the air conditioning system. Currently, most commercially available outdoor units contain internal heat exchangers composed of copper tubes and fins, which exchange heat with the outside world through convection heat transfer in conjunction with the fan blades. In traditional outdoor units, the heat exchange efficiency of the copper tubes and fins is low. Without convection, the tubes or fins have difficulty dissipating heat through radiation, resulting in low heat exchange efficiency and poor heat transfer performance. This necessitates high-power operation of the compressor to maintain the unit's heat transfer capacity, leading to low energy efficiency for the outdoor unit as a whole. Utility Model Content

[0003] Provided is an air conditioner outdoor unit, which solves the problem of low air conditioner energy efficiency caused by poor heat exchange effect of the existing air conditioner outdoor unit heat exchanger.

[0004] The present invention provides an air conditioner outdoor unit, which includes:

[0005] A heat exchanger tube body, the outer surface of which is provided with a heat dissipation coating containing graphene;

[0006] The convection component is arranged adjacent to the heat exchanger tube body, and is used for guiding the air around the heat exchanger tube body to form an airflow and flow in a direction away from the heat exchanger tube body.

[0007] In the air conditioner outdoor unit provided by the embodiment of the present invention, a toothed thread is protruding from the inner surface of the heat exchanger tube body.

[0008] In the air conditioner outdoor unit provided by an embodiment of the present utility model, the thickness of the heat dissipation coating in the radial direction of the heat exchanger tube body is 10 μm-20 μm.

[0009] In the air-conditioning outdoor unit provided in an embodiment of the present invention, the convection component includes an annular guide and a fan component. The annular guide is arranged adjacent to the heat exchanger tube body, and an annular wind groove is formed inside the annular guide. The front end of the annular wind groove is close to the heat exchanger tube body and leads to the radial inner side of the annular guide, and the rear end is away from the heat exchanger tube body. The area of ​​the front end of the annular wind groove is larger than the area of ​​the rear end to form a pressure difference. The fan component is arranged on the outside of the annular guide and leads to the annular wind groove, wherein the fan component is used to generate airflow into the annular wind groove, so that the airflow is accelerated to flow toward the radial inner side of the annular guide according to the pressure difference in the annular wind groove and flows in a direction away from the heat exchanger tube body.

[0010] In the air-conditioning outdoor unit provided in an embodiment of the present invention, the annular air guide member includes an outer air ring and an inner air ring, the outer air ring is arranged on the radial outside of the inner air ring, the inner surface of the outer air ring and the outer surface of the inner air ring are spaced apart to form the annular air groove, the front end of the annular air groove leads to the radial inside of the inner air ring and is open in the direction away from the heat exchanger tube body, the fan assembly is arranged on the radial outside of the outer air ring and directly leads to the annular air groove, wherein the inner diameter of the inner air ring gradually increases from the side close to the heat exchanger tube body to the side away from the heat exchanger tube body.

[0011] In the air conditioner outdoor unit provided by the embodiment of the present utility model,

[0012] In the air conditioner outdoor unit provided in an embodiment of the present invention, the annular guide member also includes an air inlet tube that is interconnected on the inside and outside, the air inlet tube is connected to the radial outside of the outer air ring and its interior leads to the annular air groove, and the fan assembly is arranged inside the air inlet tube.

[0013] In the air conditioner outdoor unit provided by the embodiment of the present invention, the air inlet cylinder is provided with a plurality of air inlets distributed at intervals along its circumference, and the air inlets pass through both the inner and outer sides of the air inlet cylinder.

[0014] In the air conditioner outdoor unit provided in an embodiment of the present invention, the fan assembly includes a rotating drive member and axial flow fan blades, the axial flow fan blades are arranged inside the air inlet tube along the axis of the air inlet tube, and the rotating drive member is fixed to the inner side of the air inlet tube and connected to the axial flow fan blades, wherein the rotating drive member is used to drive the axial flow fan blades to rotate to generate airflow.

[0015] In the air-conditioning outdoor unit provided in an embodiment of the present invention, the heat exchanger tube body includes a plurality of heat exchange tube segments arranged in parallel and spaced apart in the vertical direction, and the air-conditioning outdoor unit also includes a tube body bracket, and the tube body bracket is provided with a plurality of through holes spaced apart in sequence along the axial direction, and the heat exchange tube segments are laterally inserted into the through holes to be connected to the tube body bracket.

[0016] In the air conditioner outdoor unit provided by an embodiment of the present utility model, a rubber ring is embedded in the inner side of the through hole, and the heat exchange pipe section is passed through the rubber ring.

[0017] The utility model provides an air conditioner outdoor unit, comprising a heat exchanger tube body and a convection assembly; the heat exchanger tube body having a heat dissipation coating comprising graphene on its outer surface; the convection assembly being disposed adjacent to the heat exchanger tube body and configured to guide air around the heat exchanger tube body to form an airflow and flow away from the heat exchanger tube body. The air conditioner outdoor unit of the present application improves the heat transfer coefficient of the heat exchanger tube body by disposing a heat dissipation coating comprising graphene material on the outer surface of the heat exchanger tube body, and is combined with the convection assembly to enhance convective heat transfer with the heat exchanger tube body, thereby improving the overall energy efficiency of the air conditioner outdoor unit. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0019] Figure 1 A disassembled rear view of the air conditioner outdoor unit provided by an embodiment of the present utility model;

[0020] Figure 2 A disassembled perspective view of an air conditioner outdoor unit provided by an embodiment of the present utility model;

[0021] Figure 3 An assembly diagram of a heat exchanger tube body and a tube body bracket provided in an embodiment of the present utility model;

[0022] Figure 4 A schematic diagram of the structure of the toothed thread provided in an embodiment of the utility model;

[0023] Figure 5 A front view of a convection assembly provided by an embodiment of the present utility model;

[0024] Figure 6 A perspective view of a convection assembly provided in an embodiment of the present utility model;

[0025] Figure 7 A side view of a convection assembly provided in an embodiment of the present invention;

[0026] Figure 8 A side sectional view of an annular flow guide provided in an embodiment of the present utility model;

[0027] Figure 9 A schematic diagram of convection of an annular flow guide provided in an embodiment of the present utility model;

[0028] Figure 10 An exploded view of an annular flow guide provided in an embodiment of the present utility model;

[0029] Figure 11 An exploded view of a convection assembly provided in an embodiment of the present utility model;

[0030] Figure 12 A three-dimensional diagram of an outer air ring provided in an embodiment of the present utility model;

[0031] Figure 13 An exploded view of a fan assembly provided in an embodiment of the present utility model;

[0032] Figure 14 for Figure 3 A magnified view of part A;

[0033] Figure 15 A three-dimensional diagram of an air conditioner outdoor unit provided by an embodiment of the present utility model;

[0034] Figure 16 A front view of an air conditioner outdoor unit provided by an embodiment of the present utility model;

[0035] Figure 17 A side view of an air conditioner outdoor unit provided by an embodiment of the present utility model;

[0036] The reference numerals in the figures are:

[0037] 10. Heat exchanger tube body; 11. Heat exchange tube section; 101. Toothed thread; 20. Convection assembly; 21. Annular guide; 201. Annular air trough; 211. Outer air ring; 212. Inner air ring; 213. Air inlet duct; 231. Air inlet; 22. Fan assembly; 221. Rotating drive element; 222. Axial fan blade; 40. Casing; 50. Tube bracket; 501. Through hole; 60. Protective grille. DETAILED DESCRIPTION

[0038] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0039] Reference Figures 1 to 3, which illustrates an embodiment of an air conditioner outdoor unit provided by the present invention. The structure and operating principle of this air conditioner outdoor unit are described in detail below with reference to the accompanying drawings. The air conditioner outdoor unit comprises a heat exchanger tube 10 and a convection assembly 22. The outer surface of the heat exchanger tube 10 is provided with a heat dissipation coating (not shown) containing graphene. The convection assembly 20 is disposed adjacent to the heat exchanger tube 10 and is used to guide the air around the heat exchanger tube 10 to form an airflow and flow away from the heat exchanger tube 10.

[0040] In this embodiment, the air conditioner outdoor unit includes a heat exchanger tube 10, an annular guide member 21, and a fan assembly 22. In addition, the air conditioner outdoor unit also includes a housing 40, a compressor, and other components. The heat exchanger tube 10 is also an important component of the air conditioner outdoor unit heat exchanger. The heat exchanger tube 10 as a whole has a serpentine curved tube structure. The high-temperature and high-pressure refrigerant generated by the compressor circulates through the interior of the heat exchanger tube 10 and exchanges heat with the outside through the heat exchanger tube 10. The outer surface of the heat exchanger tube 10 in this embodiment is covered with a heat dissipation coating containing graphene. The heat dissipation coating is specifically a graphene composite material. In addition to the graphene material, the heat dissipation coating also contains other materials such as corrosion-resistant materials. The heat dissipation coating is applied to the outer surface of the heat exchanger tube 10 through a spraying and baking process. The convection component 20 is arranged as a whole adjacent to the heat exchanger tube body 10. It is mainly used to guide the air around the heat exchanger tube body 10 to form an airflow and make the airflow flow in a direction away from the heat exchanger tube body 10, thereby forming convection to take away the heat generated by the heat exchanger tube body 10, so that the heat of the heat exchanger tube body 10 continues to flow to the external environment with the airflow. The convection component can be any structure that can guide air to generate airflow, such as a fan, an air pump, etc. In practical applications, the thermal conductivity of graphene can reach 5300W / (m·K), and the emissivity is 0.95. The heat exchanger tube 10 is usually designed with copper material, and the thermal conductivity of copper is only 401W / (m·K), and the emissivity is 0.05. By setting a heat dissipation coating containing graphene on the outer surface of the heat exchanger tube 10, according to the basic heat transfer formula Q=KFΔtm, where Q is the heat transfer amount, K is the heat transfer coefficient, F is the heat transfer area, and Δtm is the heat transfer temperature difference, due to the increase in the heat transfer coefficient K, in the absence of convection, that is, when the convection component 20 is not running, the heat exchanger tube 10 can also efficiently exchange heat with the air. By cooperating with the convection component 20 to enhance convection, the heat exchange capacity of the heat exchanger tube 10 is greatly improved, and the energy efficiency of the entire air conditioner outdoor unit is improved.

[0041] The air conditioner outdoor unit of this embodiment improves the heat transfer coefficient of the heat exchanger tube by providing a heat dissipation coating containing graphene material on the outer surface of the heat exchanger tube body, and then cooperates with a convection component to enhance convective heat transfer with the heat exchanger tube body, making the overall energy efficiency of the air conditioner outdoor unit higher.

[0042] In one embodiment, referring to Figure 4 The inner surface of the heat exchanger tube 10 is provided with a toothed thread 101. In a specific implementation, the heat exchanger tube 10 actually dissipates heat for the high-temperature and high-pressure refrigerant flowing therein. In addition to the material of the heat exchanger tube 10 itself, the heat exchange capacity of the heat exchanger tube 10 is also related to the contact area between the heat exchanger tube 10 and the fluid. In this embodiment, a toothed thread 101 is provided on the inner surface of the heat exchanger tube 10. The toothed thread 101 is a protruding structure on the inner surface of the heat exchanger tube 10. The toothed thread 101 is arranged on the inner surface of the tube along the axial extension of the heat exchanger. By providing the toothed thread 101 on the inner surface of the heat exchanger tube 10, the heat exchanger tube 10 has a larger contact area with the refrigerant fluid, which effectively improves the heat exchange capacity of the heat exchanger tube 10. In combination with the fan assembly 22 and the annular guide 21 to enhance convection, the heat exchange capacity of the heat exchanger tube 10 can be further improved.

[0043] Furthermore, the thickness of the heat dissipation coating in the radial direction of the heat exchanger tube body 10 is 10μm-20μm. In specific implementation, the different thicknesses of the heat dissipation coating in the radial direction of the heat exchanger tube body 10 will affect the overall heat exchange effect of the heat exchanger tube body 10. If the thickness is too thin, the heat exchange gain of the heat exchanger tube body 10 will be small, and if the thickness is too large, the heat dissipation will be slow and the heat exchange effect will not reach the ideal state. Therefore, a suitable thickness can enable the heat exchanger tube body 10 to achieve the best heat exchange effect. In this embodiment, the thickness of the heat dissipation coating in the radial direction of the heat exchanger tube body 10 is designed to be 10μm-20μm, the maximum design is 20μm, the minimum design is 10μm, and the preferred design is 15μm. According to actual measurements, the thickness of the heat dissipation coating in the radial direction of the heat exchanger tube body 10 is designed to be in the range of 10μm-20μm, and the heat exchange performance of the heat exchanger tube body 10 is relatively excellent.

[0044] In one embodiment, referring to Figures 5 to 9The convection component 20 includes an annular guide member 21 and a fan component 22. The annular guide member 21 is arranged adjacent to the heat exchanger tube body 10. An annular wind groove 201 is formed inside the annular guide member 21. The front end of the annular wind groove 201 is close to the heat exchanger tube body 10 and leads to the radial inner side of the annular guide member 21, and the rear end is away from the heat exchanger tube body 10. The area of ​​the front end of the annular wind groove 201 is larger than the area of ​​the rear end to form a pressure difference. The fan component 22 is arranged on the outside of the annular guide member 21 and leads to the annular wind groove 201, wherein the fan component 22 is used to generate airflow into the annular wind groove 201, so that the airflow is accelerated to flow toward the radial inner side of the annular guide member 21 according to the pressure difference in the annular wind groove 201 and flows in a direction away from the heat exchanger tube body 10. In a specific implementation, the convection component 20 includes an annular guide 21 and a fan component 22. The annular guide 21 is arranged adjacent to the heat exchanger tube body 10, and the axis of the annular guide 21 faces the heat exchanger tube body 10. The annular guide 21 is an annular cylindrical structure as a whole. An annular wind groove 201 is formed inside the annular guide 21 along its own circumference. The annular wind groove 201 is an annular groove structure with a certain axial length, which is mainly used to form a high-speed airflow. The front end of the annular wind groove 201 is close to the heat exchanger tube body 10 and leads to the radial inner side of the annular guide 21. Specifically, the front end of the annular wind groove 201 passes through the radial inner side of the annular guide 21 through a narrow annular gap, and the rear end of the annular wind groove 201 is away from the heat exchanger tube body 10. The area of ​​the front end of the annular wind groove 201 is larger than the area of ​​the rear end. Figure 8 and Figure 9 As shown, F represents the front end and B represents the rear end. Specifically, the area of ​​the annular duct 201 gradually expands from its rear end to its front end, and the space from the rear end to the front end of the annular duct 201 is from narrow to wide. According to the principles of fluid dynamics, the front end of the annular duct 201 has a large area and a low pressure, while the rear end of the annular duct 201 has a small area and a high pressure. A pressure difference is formed between the front and rear ends of the annular duct 201. The fan assembly 22 is arranged on the outside of the annular guide member 21 and leads to the annular duct 201. The fan assembly 22 is mainly used to generate airflow and pass it into the annular duct 201. In actual application, when the airflow generated by the fan assembly 22 flows into the annular duct 201, as shown in FIG. Figure 9As shown, based on the principle of high pressure differential, the airflow is accelerated by the pressure difference between the front and rear ends of the annular air trough 201. The airflow is accelerated toward the radially inner side of the annular guide member 21, forming a high-speed airflow. The area ratio of the front and rear ends of the annular air trough 201 can be set based on the principle of static pressure balance. The airflow flows from the front end of the annular air trough 201 to the radially inner side of the annular guide member 21, and then flows along the inner sidewall of the annular guide member 21 away from the heat exchanger tube 10. On the radial inner side of the annular guide member 21, based on Bernoulli's principle, when the velocity of the inviscid fluid increases, the sum of the pressure or potential energy of the fluid will decrease, and a high-speed airflow with a wind speed and air volume far greater than the surrounding airflow is formed on the radial inner side of the annular guide member 21. The air pressure generated by this high-speed airflow continuously introduces the air before and after the annular guide member 21 and the air around the heat exchanger tube body 10 into the radial inner side of the annular guide member 21, and after being accelerated and amplified, a stable and powerful airflow is formed, which flows along the axial direction of the annular guide member 21 in a direction away from the heat exchanger tube body 10, realizing convective heat exchange with the heat exchanger tube body 10. Overall, 1 times the air intake volume can obtain more than 1 times the air output volume, and a larger air output volume is obtained on the basis of less energy consumption. When the fan assembly 22 is operated at low power, it can meet the convective heat exchange requirements of the heat exchanger tube body 10, and the overall energy consumption of the air conditioner outdoor unit is reduced.

[0045] Further, refer to Figures 5 to 9 The annular guide member 21 includes an outer air ring 211 and an inner air ring 22. The outer air ring 211 is arranged on the radial outside of the inner air ring 212. The inner surface of the outer air ring 211 and the outer surface of the inner air ring 212 are spaced apart to form the annular air groove 201. The front end of the annular air groove 201 leads to the radial inside of the inner air ring 212 and is open in the direction away from the heat exchanger tube body 10. The fan assembly 22 is arranged on the radial outside of the outer air ring 211 and directly leads to the annular air groove 201. The inner diameter of the inner air ring 212 gradually increases from the side close to the heat exchanger tube body 10 to the side away from the heat exchanger tube body 10. In a specific implementation, the annular guide member 21 includes an outer wind ring 211 and an inner wind ring 212. The outer wind ring 211 and the inner wind ring 212 are both annular cylindrical structures. The inner diameter of the outer wind ring 211 is larger than the outer diameter of the inner wind ring 212. The outer wind ring 211 is arranged radially outside the inner wind ring 212. The inner surface of the outer wind ring 211 and the outer surface of the inner wind ring 212 are spaced apart to form an annular wind groove 201, that is, the annular wind groove 201 is the space between the outer wind ring 211 and the inner wind ring 212. Figure 8As shown, the outer air ring 211 and the inner air ring 212 are connected at the rear end of the annular air trough 201. A narrow annular gap is formed between the two at the front end of the annular air trough 201, leading to the radially inner side of the inner air ring 212 and opening in a direction away from the heat exchanger tube 10. In terms of design, the inner diameter of the inner air ring 212 gradually increases from the side closest to the heat exchanger tube 10 to the side away from the heat exchanger tube 10. The inner diameter of the inner air ring 212 is smallest on the side closest to the heat exchanger tube 10 and largest on the side away from the heat exchanger tube 10. The radially inner space of the inner air ring 212 gradually expands from one end closest to the heat exchanger tube 10 to the other end away from the heat exchanger tube 10. The fan assembly 22 is entirely disposed radially outside the outer air ring 211, extending directly from the radial direction of the outer air ring 211 into the annular air trough 201. In actual application, the airflow generated by the fan assembly 22 flows directly into the annular air groove 201 along the radial direction of the outer air ring 211. The airflow begins to flow and diffuse along the annular air groove 201. Since the area of ​​the front end of the annular air groove 201 is smaller than the area of ​​the rear end thereof, a pressure difference is formed. The airflow is accelerated through the annular air groove 201 to flow into the radial inner side of the inner air ring 212. Since the inner diameter of the inner air ring 212 gradually increases from the side close to the heat exchanger tube body 10 to the side away from the heat exchanger tube body 10, the space radially inside the inner air ring 212 gradually expands in the direction away from the heat exchanger tube body 10. According to the pressure difference and the Coanda effect, The airflow velocity along the inner wall of the inner air ring 212 increases, the airflow inside the inner air ring 212 is enhanced, and more air around the heat exchanger tube 10 is guided to form airflow, further strengthening the convective heat transfer of the heat exchanger tube 10. With less energy consumption, a larger air volume can be obtained to meet the convective heat transfer requirements of the heat exchanger tube 10, thereby improving the overall energy efficiency of the air conditioner outdoor unit.

[0046] Furthermore, refer to Figures 5 to 7 as well as Figures 10 to 12 The annular air guide 21 further includes an air inlet duct 23 that communicates with each other on both sides. The air inlet duct 23 is connected to the radially outer side of the outer air ring 211 and its interior leads to the annular air groove 201. The fan assembly 22 is arranged inside the air inlet duct 23. In a specific implementation, the annular air guide 21 further includes an air inlet duct 23. The air inlet duct 23 is a cylindrical structure that communicates with each other on both sides. The air inlet duct 23 is integrally connected to the radially outer side of the outer air ring 211. The interior of the air inlet duct 23 directly leads to the interior of the annular air groove 201. The fan assembly 22 is entirely arranged inside the air inlet duct 23. In actual application, when the fan assembly 22 is in operation, the air inlet duct 23 can guide and gather airflow, enhance the air intake effect of the fan assembly 22, reduce airflow leakage, make the airflow generated by the fan assembly 22 more stable and abundant, improve air intake efficiency, and also protect the air inlet assembly to prevent external interference with the operation of the air inlet assembly.

[0047] Furthermore, refer to Figure 12 The air inlet 23 is provided with a plurality of air inlets 231 spaced apart along its circumference, and the air inlets 231 penetrate both the inner and outer sides of the air inlet 23. In a specific implementation, the air inlet 23 is provided with a plurality of air inlets 231 spaced apart along its circumference, with equal spacing between two adjacent air inlets 231. The air inlets 231 are specifically elongated strip-shaped openings extending in the axial direction of the air inlet 23, and penetrate both the inner and outer sides of the air inlet 23. In actual application, when the fan assembly 22 is in operation, airflow enters the air inlet 23 evenly through the air inlets 231, thereby improving air intake efficiency while preventing foreign matter from entering the air inlet 23 and interfering with the air inlet assembly.

[0048] In one embodiment, referring to Figure 13 The fan assembly 22 includes a rotary drive member 221 and an axial flow fan blade 222. The axial flow fan blade 222 is arranged inside the air inlet tube 23 along the axis of the air inlet tube 23. The rotary drive member 221 is fixed to the inside of the air inlet tube 23 and connected to the axial flow fan blade 222. The rotary drive member 221 is used to drive the axial flow fan blade 222 to rotate to generate airflow. In a specific implementation, the fan assembly 22 includes a rotary drive member 221 and an axial flow fan blade 222. The axial flow fan blade 222 is arranged inside the air inlet tube 23 along the axis of the air inlet tube 23 as a whole. The axis of the axial flow fan blade 222 is parallel to the axis of the air inlet tube 23. The rotary drive member 221 is specifically a motor, which is fixed to the inside of the air inlet tube 23 as a whole and connected to the axial flow fan blade 222 through a drive shaft. In actual applications, the rotating driving member 221 drives the axial flow fan blades 222 to rotate, and the rotating axial flow fan blades 222 give the air an axial thrust. When the air in the axial flow fan blades 222 revolves around the axial flow fan blades 222, according to the principles of fluid mechanics, the air exerts a lift on the axial flow fan blades 222, and the axial flow fan blades 222 also give the air a reaction force of equal magnitude and opposite direction, that is, thrust. The thrust of the axial flow fan blades 222 does work on the air, increasing the energy of the air. The air flows along the axial direction of the axial flow fan blades 222 to form an airflow, and the airflow is discharged into the annular wind groove 201 along the axial direction of the air inlet tube 23, and cooperates with the annular wind groove 201 to achieve efficient convective heat exchange.

[0049] In one embodiment, referring to Figure 3 and Figure 14The heat exchanger tube body 10 includes a plurality of heat exchange tube segments 11 spaced parallel to each other in a vertical direction. The air conditioner outdoor unit also includes a tube support 50, which is provided with a plurality of through-holes 501 spaced apart in an axial direction. The heat exchange tube segments 11 are laterally inserted through the through-holes 501 to connect with the tube support 50. In a specific embodiment, the heat exchanger tube body 10 includes a plurality of heat exchange tube segments 11 spaced parallel to each other in a vertical direction. These heat exchange tube segments 11 are connected end to end through elbows to form a serpentine heat exchanger tube body 10. Adjacent heat exchange tube segments 11 are spaced apart to improve heat exchange efficiency. The air conditioner outdoor unit also includes a pipe body support 50. The pipe body support 50 is a straight rod-shaped structure, which is mainly used to support the heat exchanger pipe body 10. The pipe body support 50 is usually arranged in multiple parallel and spaced apart. A plurality of through holes 501 passing through the two sides of the pipe body support 50 are arranged in sequence along the axial direction. The spacing between two adjacent through holes 501 is designed according to the spacing between the heat exchange pipe sections 11. The heat exchange pipe sections 11 are horizontally inserted into the through holes 501 on the pipe body support 50. Each heat exchange pipe section 11 is inserted into the corresponding through hole 501. All heat exchange pipe sections 11 form a stable connection with the pipe body support 50, and the heat exchanger pipe body 10 as a whole is more stable.

[0050] Furthermore, a rubber ring (not shown) is embedded inside the through-hole 501. The heat exchange tube segment 11 is inserted through the rubber ring. Specifically, the rubber ring is embedded inside the through-hole 501. The rubber ring is annular and primarily made of rubber material. The heat exchange tube segment 11 is inserted within the rubber ring. The radially inner side of the rubber ring is in contact with the heat exchange tube segment 11, while the radially outer side of the rubber ring avoids contact with the through-hole 501. The rubber ring as a whole protects the heat exchange tube segment 11, preventing the tube support 50 from scratching the heat exchange tube segment 11.

[0051] In one embodiment, referring to Figures 15 to 17 The air conditioner outdoor unit further includes a housing 40, in which the heat exchanger tube body 10 is disposed. A protective grille 60 is provided on a side of the housing 40 that is horizontally adjacent to the convection assembly 20. In a specific implementation, the air conditioner outdoor unit further includes a housing 40, which is primarily used to protect internal components and prevent dust from entering. The heat exchanger tube body 10 and the convection assembly 20 are both disposed within the housing 40. A protective grille 60 is provided on a side of the housing 40 that is horizontally adjacent to the convection assembly 20. Air can pass through the protective grille 60, which improves the ventilation of the housing 40. The heat exchanger tube body 10 can exchange heat with the outside of the housing 40 through the protective grille 60, and the protective grille 60 can effectively prevent foreign matter from entering the interior of the housing 40.

[0052] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any person skilled in the art can easily conceive of various equivalent modifications or substitutions within the technical scope disclosed in the present invention, and such modifications or substitutions are intended to be within the scope of protection of the present invention. Therefore, the scope of protection of the present invention shall be subject to the scope of protection of the claims.

Claims

1. An air conditioner outdoor unit, characterized in that: include: A heat exchanger tube body, the outer surface of which is provided with a heat dissipation coating containing graphene; The convection component is arranged adjacent to the heat exchanger tube body, and is used for guiding the air around the heat exchanger tube body to form an airflow and flow in a direction away from the heat exchanger tube body.

2. The air conditioner outdoor unit according to claim 1, characterized in that: The inner surface of the heat exchanger tube body is convexly provided with a toothed thread.

3. The air conditioner outdoor unit according to claim 1, characterized in that: The thickness of the heat dissipation coating in the radial direction of the heat exchanger tube body is 10 μm-20 μm.

4. The air conditioner outdoor unit according to any one of claims 1 to 3, characterized in that: The convection component includes an annular guide and a fan component. The annular guide is arranged adjacent to the heat exchanger tube body. An annular wind groove is formed inside the annular guide. The front end of the annular wind groove is close to the heat exchanger tube body and leads to the radial inner side of the annular guide, and the rear end is away from the heat exchanger tube body. The area of ​​the front end of the annular wind groove is larger than the area of ​​the rear end to form a pressure difference. The fan component is arranged on the outside of the annular guide and leads to the annular wind groove, wherein the fan component is used to generate airflow into the annular wind groove, so that the airflow is accelerated to flow toward the radial inner side of the annular guide according to the pressure difference in the annular wind groove and flows in a direction away from the heat exchanger tube body.

5. The air conditioner outdoor unit according to claim 4, characterized in that: The annular air guide includes an outer air ring and an inner air ring, the outer air ring is arranged on the radial outside of the inner air ring, the inner surface of the outer air ring and the outer surface of the inner air ring are spaced apart to form the annular air groove, the front end of the annular air groove leads to the radial inside of the inner air ring and is open in the direction away from the heat exchanger tube body, the fan assembly is arranged on the radial outside of the outer air ring and directly leads to the annular air groove, wherein the inner diameter of the inner air ring gradually increases from the side close to the heat exchanger tube body to the side away from the heat exchanger tube body.

6. The air conditioner outdoor unit according to claim 5, characterized in that: The annular guide member also includes an air inlet tube with inner and outer sides communicating with each other. The air inlet tube is connected to the radial outer side of the outer air ring and its interior leads to the annular air groove. The fan assembly is arranged inside the air inlet tube.

7. The air conditioner outdoor unit according to claim 6, characterized in that: The air inlet cylinder is provided with a plurality of air inlets distributed at intervals along its circumference, and the air inlets pass through the inner and outer sides of the air inlet cylinder.

8. The air conditioner outdoor unit according to claim 6, characterized in that: The fan assembly includes a rotating drive member and axial flow fan blades. The axial flow fan blades are arranged inside the air inlet tube along the axis of the air inlet tube. The rotating drive member is fixed to the inner side of the air inlet tube and connected to the axial flow fan blades. The rotating drive member is used to drive the axial flow fan blades to rotate to generate airflow.

9. The air conditioner outdoor unit according to any one of claims 1 to 3, characterized in that: The heat exchanger tube body includes a plurality of heat exchange tube segments arranged in parallel and spaced apart in the vertical direction. The air conditioner outdoor unit also includes a tube body bracket. The tube body bracket is provided with a plurality of through holes spaced apart in sequence along the axial direction. The heat exchange tube segments are laterally inserted into the through holes to be connected to the tube body bracket.

10. The air conditioner outdoor unit according to claim 9, characterized in that: A rubber ring is embedded in the inner side of the through hole, and the heat exchange pipe section is passed through the rubber ring.

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