Heat exchanger and heat pump system

Abstract

The utility model discloses a heat exchanger and a heat pump system, the heat exchanger comprises a shell, a heat exchange cavity is formed in the shell, and the shell is provided with a first flow inlet and a first flow outlet which are communicated with the heat exchange cavity; the refrigerant pipe is installed on the shell, at least part of the refrigerant pipe is located in the heat exchange cavity, a refrigerant flow channel is formed in the refrigerant pipe, and the refrigerant pipe is provided with a second flow inlet and a second flow outlet which communicate with the refrigerant flow channel; wherein the heat conduction performance of the material of the refrigerant pipe is larger than that of the titanium material, and the refrigerant pipe is coated with an anti-corrosion layer. According to the heat exchanger, the heat conductivity of the refrigerant pipe of the heat exchanger is good, efficient heat exchange between refrigerants and fluid is facilitated, the corrosion resistance of the refrigerant pipe is good, the service life of the refrigerant pipe is prolonged, and therefore the heat exchange performance of the heat exchanger is improved.

Description

Technical Field

[0001] This utility model relates to the field of heat exchange technology, and in particular to a heat exchanger and a heat pump system having the heat exchanger. Background Technology

[0002] Pool heat pump systems are used to heat or cool pool water. The heat exchanger that exchanges heat between the refrigerant and the pool water is generally made of titanium. Titanium has excellent corrosion resistance, which helps to protect it from the corrosion of chlorine-containing disinfectants in the pool water over a long period of time. However, titanium has relatively poor thermal conductivity, which affects the heat exchanger's heat exchange effect and reduces the heat exchange efficiency of the pool water. In addition, titanium is expensive to manufacture, leaving room for improvement. Utility Model Content

[0003] This invention aims to solve at least one of the technical problems existing in the prior art. To this end, this invention proposes a heat exchanger in which the refrigerant pipe has good thermal conductivity, which is conducive to efficient heat exchange between the refrigerant and the fluid, and the refrigerant pipe has good corrosion resistance, which extends the service life of the refrigerant pipe, thereby improving the heat exchange performance of the heat exchanger.

[0004] A heat exchanger according to an embodiment of the present invention includes: a shell, wherein a heat exchange cavity is formed within the shell, and the shell is provided with a first inlet and a first outlet communicating with the heat exchange cavity; a refrigerant pipe, wherein the refrigerant pipe is installed in the shell and at least partially located within the heat exchange cavity, and the refrigerant pipe forms a refrigerant flow channel, and the refrigerant pipe is provided with a second inlet and a second outlet communicating with the refrigerant flow channel; wherein the thermal conductivity of the material of the refrigerant pipe is greater than that of titanium, and the refrigerant pipe is coated with an anti-corrosion layer.

[0005] According to the embodiment of the present invention, the heat exchanger can achieve heat exchange between the refrigerant and the fluid by installing a refrigerant pipe in the heat exchange cavity of the shell. The material of the refrigerant pipe has a higher thermal conductivity than that of titanium, which can effectively improve the heat exchange efficiency between the refrigerant and the fluid. In addition, the refrigerant pipe is provided with an anti-corrosion layer, which can effectively prevent water from corroding the refrigerant pipe and extend the service life of the refrigerant pipe, thereby improving the heat exchange performance of the heat exchanger.

[0006] According to some embodiments of the present invention, the heat exchanger of the refrigerant pipe is made of copper and / or aluminum.

[0007] According to some embodiments of the present invention, the heat exchanger with the anti-corrosion layer is made of a non-metallic material.

[0008] According to some embodiments of the present invention, the heat exchanger with the anti-corrosion layer is made of resin material or ceramic material.

[0009] According to some embodiments of the present invention, the heat exchanger is further provided with an installation sleeve inside the heat exchange cavity, and the refrigerant pipe is wound around the outside of the installation sleeve.

[0010] According to some embodiments of the present invention, the heat exchanger is provided with multiple layers of refrigerant pipes wound around the outside of the mounting sleeve, and the multiple layers of refrigerant pipes are distributed sequentially along the radial direction of the mounting sleeve.

[0011] According to some embodiments of the present invention, the thickness of the anti-corrosion layer in the heat exchanger is between 2µm and 200µm.

[0012] According to some embodiments of the present invention, the heat exchanger has heat exchange fins on the outside of the refrigerant pipe.

[0013] And / or, the inner wall of the refrigerant pipe is provided with an internal heat exchange thread;

[0014] And / or, the outer wall of the refrigerant pipe is provided with an external heat exchange thread.

[0015] According to some embodiments of the present invention, in the heat exchanger, the second inlet and the second outlet are both located at the same end of the refrigerant pipe.

[0016] This utility model also proposes a heat pump system.

[0017] The heat pump system according to the present invention is provided with a heat exchanger according to any of the above embodiments.

[0018] According to some embodiments of the present invention, the heat pump system is used for heat exchange with a swimming pool, and the first inlet and the first outlet are respectively connected to the swimming pool.

[0019] The heat pump system and the heat exchanger described above have the same advantages over the prior art, which will not be repeated here.

[0020] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0021] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0022] Figure 1 This is a front view of a heat exchanger according to an embodiment of the present utility model;

[0023] Figure 2 This is a side view of a heat exchanger according to an embodiment of the present utility model;

[0024] Figure 3 yes Figure 2 Cross-sectional view at point AA;

[0025] Figure 4 yes Figure 2 Cross-sectional view at point BB.

[0026] Figure label:

[0027] Heat exchanger 100,

[0028] Shell 1, heat exchange chamber 11, first inlet 12, first outlet 13, mounting sleeve 14, connecting part 15.

[0029] Refrigerant pipe 2, refrigerant flow channel 21, second inlet 22, second outlet 23, anti-corrosion layer 24. Detailed Implementation

[0030] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0031] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential," etc., indicating the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, features defined with "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0032] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0033] The following is for reference. Figures 1-4According to the embodiment of the present invention, the heat exchanger 100 can achieve heat exchange between the refrigerant and the fluid by installing a refrigerant pipe 2 in the heat exchange chamber 11 of the shell 1. The material of the refrigerant pipe 2 has a higher thermal conductivity than that of titanium, which can effectively improve the heat exchange efficiency between the refrigerant and the fluid. Furthermore, the refrigerant pipe 2 is provided with an anti-corrosion layer 24, which can effectively prevent water from corroding the refrigerant pipe 2 and extend the service life of the refrigerant pipe 2, thereby improving the heat exchange performance of the heat exchanger 100.

[0034] like Figures 1-4 As shown, a heat exchanger 100 according to an embodiment of the present invention includes: a shell 1 and a refrigerant pipe 2.

[0035] It should be noted that the heat exchanger 100 is a device for realizing heat exchange, used for the output of heat or cold within different heat exchange systems to achieve other functions such as heating or cooling.

[0036] A heat exchange cavity 11 is formed inside the shell 1. The shell 1 is provided with a first inlet 12 and a first outlet 13 that communicate with the heat exchange cavity 11.

[0037] Specifically, shell 1 is the outer shell structure of heat exchanger 100, such as Figure 3 As shown, a heat exchange cavity 11 is formed inside the shell 1, in which heat exchange can be achieved. The shell 1 can be made of metal material, which can resist the influence of high temperature, high pressure and corrosion inside the shell 1, while isolating the medium from the external environment to ensure that the medium will not overflow, thereby ensuring production safety and stability.

[0038] Among them, heat exchange chamber 11 is the main place for heat exchange, and heat exchange chamber 11 is used for the flow of fluid, such as Figure 1 and Figure 2 As shown, the shell 1 is provided with a first inlet 12 and a first outlet 13. The first inlet 12 is used for the inflow of fluid, and the first outlet 13 is used for the outflow of fluid. The first inlet 12 and the first outlet 13 are respectively connected to the heat exchange chamber 11, and the first inlet 12 and the first outlet 13 respectively penetrate the shell 1. The heat exchange chamber 11 can be connected to the external pipeline through the first inlet 12 and the fluid enters the heat exchange chamber 11 from the first inlet 12, exchanges heat in the heat exchange chamber 11, and then flows out from the first outlet 13. The fluid can be water or other substances that carry heat or cold.

[0039] The refrigerant pipe 2 is installed in the housing 1 and is at least partially located in the heat exchange chamber 11. The refrigerant pipe 2 forms a refrigerant flow channel 21 and is provided with a second inlet 22 and a second outlet 23 that communicate with the refrigerant flow channel 21.

[0040] Specifically, the refrigerant pipe 2 includes a heat exchange pipe section, which is the main structure of the refrigerant pipe 2. The heat exchange pipe section is installed inside the shell 1 and located in the heat exchange cavity 11. The refrigerant pipe 2 is detachably connected to the shell 1, which can realize the connection and fixation between the refrigerant pipe 2 and the shell 1 to ensure the stability of the refrigerant pipe 2.

[0041] The refrigerant pipe 2 has a refrigerant flow channel 21 inside, which is used to flow refrigerant. The refrigerant pipe 2 is provided with a second inlet 22 and a second outlet 23. The second inlet 22 is used for the inflow of refrigerant, and the second outlet 23 is used for the outflow of refrigerant. The second inlet 22 and the second outlet 23 are respectively connected to the refrigerant flow channel 21, and the second inlet 22 and the second outlet 23 respectively penetrate the shell 1. The refrigerant flow channel 21 can be connected to the external refrigerant pipe 2 through the second inlet 22 and the second outlet 23. The refrigerant flows into the refrigerant flow channel 21 from the second inlet 22 and then flows out from the second outlet 23.

[0042] When the heat exchanger 100 is working, the refrigerant enters the refrigerant flow channel 21 of the refrigerant pipe 2 inside the shell 1 through the second inlet 22. Simultaneously, water enters the heat exchange chamber 11 through the first inlet 12. During the heat exchange process, the heat or cold energy of the refrigerant is transferred to the water through the pipe wall of the refrigerant pipe 2. The water, after heat exchange, flows out of the heat exchange chamber 11 through the first outlet 13, and the refrigerant, after heat exchange, flows out through the second outlet 23. The water after heat exchange is used for heating or cooling in specific environments. The heat exchange section of the refrigerant pipe 2 is immersed in the heat exchange chamber 11, which increases the heat exchange area between the refrigerant and the water, improving their heat exchange efficiency. The heat exchanger 100 can be used in swimming pool heat exchange scenarios, etc.

[0043] Among them, the thermal conductivity of the material of refrigerant pipe 2 is greater than that of titanium.

[0044] Specifically, the refrigerant pipe 2 separates the refrigerant from the water. The refrigerant pipe 2 plays an important role in the heat exchange between the water and the refrigerant. The material of the refrigerant pipe 2 is designed to have a higher thermal conductivity than titanium. Titanium is commonly used in the manufacture of swimming pool heat exchangers 100. However, titanium has relatively poor thermal conductivity, which can affect the heat exchange efficiency between the refrigerant and the water in the refrigerant pipe 2. By using a material with higher thermal conductivity than titanium to manufacture the refrigerant pipe 2, the thermal conductivity of the refrigerant pipe 2 can be improved. This can enhance the heat dissipation and heat absorption capacity of the refrigerant pipe 2. As a result, during the heat exchange process, the heat exchange efficiency between the refrigerant in the refrigerant flow channel 21 and the water outside the refrigerant flow channel 21 can be improved. This can shorten the heat exchange time of the entire heat exchanger 100 and improve the heat exchange capacity.

[0045] Furthermore, the refrigerant pipe 2 is coated with an anti-corrosion layer 24, which has an anti-corrosion function. The outside of the refrigerant pipe 2 is in direct contact with water. The anti-corrosion layer 24 can form a protective film on the outside of the refrigerant pipe 2, which can effectively prevent the refrigerant pipe 2 from being corroded by water and other substances, thereby improving the corrosion resistance of the refrigerant pipe 2, extending the service life of the refrigerant pipe 2, reducing the frequency of maintenance and replacement of the refrigerant pipe 2, and thus reducing maintenance costs.

[0046] Therefore, while titanium has good corrosion resistance, its thermal conductivity is relatively poor, making the cost of refrigerant pipe 2 made of titanium higher. By changing the material of refrigerant pipe 2 to improve its thermal conductivity, the heat exchange efficiency and effect between the refrigerant and water inside the refrigerant pipe 2 can be fundamentally improved. Furthermore, refrigerant pipe 2 made of high thermal conductivity material has poor corrosion resistance. Coating the outside of refrigerant pipe 2 with anti-corrosion layer 24 can effectively protect refrigerant pipe 2 from corrosion, thereby improving the heat exchange efficiency of heat exchanger 100, as well as its service life and reliability. Heat exchanger 100 has a reliable structure, good performance, and can reduce the processing difficulty and cost of manufacturing refrigerant pipe 2.

[0047] In some embodiments, the material of the refrigerant pipe 2 includes copper and / or aluminum, that is, the refrigerant pipe 2 can be made of copper, or the refrigerant pipe 2 can be made of aluminum, or the refrigerant pipe 2 can be made of an alloy of copper and aluminum.

[0048] Both copper and aluminum materials have good thermal conductivity. By using copper and / or aluminum materials to make the refrigerant pipe 2, the heat of the refrigerant can be quickly transferred to the water, or the heat of the water can be quickly transferred to the refrigerant in the refrigerant pipe 2, thereby improving the heat exchange efficiency between the refrigerant and the water, and thus effectively improving the heat exchange efficiency of the entire heat exchanger 100.

[0049] Furthermore, refrigerant pipe 2 can also be made of materials such as stainless steel.

[0050] Furthermore, copper, aluminum, and stainless steel offer excellent plasticity, allowing them to be easily processed into pipes of various shapes and sizes to meet the heat exchange and assembly requirements of different heat exchange systems. The ease of processing copper, aluminum, and stainless steel also reduces the installation cost of refrigerant pipe 2 compared to titanium. Moreover, the material of refrigerant pipe 2 is not limited, allowing for selective selection based on actual needs and application scenarios, thus offering greater flexibility.

[0051] Furthermore, when heat exchanger 100 is applied to a swimming pool heat exchange system, the pool water is usually treated with chlorine-containing disinfectants, making the pool water highly corrosive. Ordinary copper, aluminum, and stainless steel are difficult to resist corrosion for a long time. By coating the outer surface of copper, aluminum, and stainless steel with an anti-corrosion layer 24, the corrosion resistance of copper, aluminum, and stainless steel can be improved for long-term use, thereby extending the service life of the refrigerant pipe 2.

[0052] In some embodiments, the anti-corrosion layer 24 is made of a non-metallic material, wherein the refrigerant pipe 2 is made of a metallic material. The anti-corrosion layer 24 of non-metallic material is coated on the outer surface of the refrigerant pipe 2. The disinfectant contained in the water is acidic or alkaline and has strong corrosiveness. The anti-corrosion layer 24 can effectively isolate the metallic refrigerant pipe 2 from contact with corrosive substances, thereby reducing or preventing corrosion reactions, protecting the refrigerant pipe 2 from corrosion by the surrounding environment, improving the corrosion resistance of the refrigerant pipe 2, extending the service life of the refrigerant pipe 2, and reducing the maintenance cost of the refrigerant pipe 2.

[0053] Furthermore, the non-metallic coating on the outside of the refrigerant pipe 2 can prevent corrosion and improve the mechanical properties of the refrigerant pipe 2, such as wear resistance and impact resistance, thereby improving the reliability and stability of the refrigerant pipe 2 during use.

[0054] The anti-corrosion layer 24 can be attached to the outside of the refrigerant pipe 2 through processes such as electrophoresis, dip coating, and powder spraying, with a variety of processing methods and options.

[0055] In some embodiments, the material of the anti-corrosion layer 24 includes resin material or ceramic material. That is, the anti-corrosion layer 24 can be made of resin material or ceramic material. The choice of material is not limited and there are many types and options.

[0056] Both resin and ceramic materials possess excellent corrosion resistance, and using either resin or ceramic material as the anti-corrosion layer 24 can achieve good corrosion resistance. In practical applications, resin and ceramic materials can be selected or used in combination depending on the specific usage environment and requirements.

[0057] The resin material includes polytetrafluoroethylene resin, epoxy resin, etc., which has good adhesion and corrosion resistance. It can effectively bond to the outside of refrigerant pipe 2, forming a dense anti-corrosion barrier, thereby reducing the risk of corrosion. Furthermore, the resin material can enhance the overall structural strength and improve the durability of refrigerant pipe 2.

[0058] The ceramic anti-corrosion layer 24 is based on ceramic particles, which are uniformly and densely adhered to the surface of the refrigerant pipe 2 through a precise manufacturing process to achieve anti-corrosion performance. Furthermore, ceramic coatings typically possess extremely high hardness and wear resistance, maintaining long-term stability and service life under harsh operating conditions. The ceramic coating exhibits excellent adhesion to the refrigerant pipe 2 and can adapt to various complex and changing operating environments, including extreme conditions such as high temperature and high pressure.

[0059] Therefore, the resin and ceramic anti-corrosion layer 24 plays an important role in protecting the refrigerant pipe 2 from corrosive substances, extending its service life, and improving its structural strength.

[0060] In some embodiments, the heat exchange chamber 11 is further provided with an installation sleeve 14, and the refrigerant pipe 2 is wound around the outside of the installation sleeve 14.

[0061] Specifically, the mounting sleeve 14 is located inside the heat exchange cavity 11 and is detachably connected to the housing 1, facilitating assembly and disassembly and providing convenient maintenance. The heat exchange cavity 11 can be constructed as a cylindrical cavity, and the outer diameter of the mounting sleeve 14 is smaller than that of the heat exchange cavity 11, creating an installation space between the mounting sleeve 14 and the inner wall of the heat exchange cavity 11. The refrigerant pipe 2 is located within this installation space and is wound around the outside of the mounting sleeve 14. The refrigerant pipe 2 can be wound around the mounting sleeve 14 in a spiral manner, enabling the installation and fixation of the refrigerant pipe 2.

[0062] Furthermore, by setting the refrigerant pipe 2 around the installation sleeve 14, the installation area of ​​the refrigerant pipe 2 in the heat exchange chamber 11 can be increased, and the total flow rate of the refrigerant in the refrigerant pipe 2 can be increased, thereby improving the heat exchange effect and efficiency between the refrigerant and the water in the heat exchange chamber 11.

[0063] Therefore, by installing the sleeve 14 in the heat exchange cavity 11, the installation and arrangement of the refrigerant pipe 2 can be made simpler and more reliable, and easier to install and fix, thereby improving the installation reliability of the refrigerant pipe 2 and thus improving the stability of the refrigerant flow in the refrigerant pipe 2.

[0064] A snap-fit ​​structure can be installed on the outside of the refrigerant pipe 2 for connecting and fixing the outside of the refrigerant pipe 2, so as to effectively fix the refrigerant pipe 2 and improve the reliability of the refrigerant pipe 2 installation.

[0065] In some embodiments, the refrigerant pipe 2 is arranged in multiple layers around the mounting sleeve 14, and the multiple layers of refrigerant pipe 2 are distributed sequentially along the radial direction of the mounting sleeve 14.

[0066] Specifically, the refrigerant pipe 2 can be configured as multiple layers, with each layer of refrigerant pipe 2 wrapped around the mounting sleeve 14. This increases the arrangement area of ​​the refrigerant pipe 2 within the heat exchange cavity 11. Furthermore, the multiple layers of refrigerant pipe 2 are sequentially distributed radially along the mounting sleeve 14, thus achieving the desired arrangement. For example... Figure 3 As shown, the refrigerant pipe 2 is configured as a two-layer structure, with both layers spirally wound around the mounting sleeve 14. The two layers of refrigerant pipe 2 are distributed radially in sequence within the mounting sleeve 14, forming a coil-like structure. This increases the surface area of ​​the refrigerant pipe 2, thereby improving the heat exchange efficiency with the surrounding environment. In actual design, the inner and outer layers of refrigerant pipe 2 can be wound around the mounting sleeve 14 in one pass. In this way, the refrigerant flows through the two layers of refrigerant pipe 2 in one pass, allowing for heat exchange with the water outside the refrigerant pipe 2.

[0067] Furthermore, refrigerant pipe 2 can be configured as three-layer, four-layer, etc.

[0068] Therefore, by using multiple layers of refrigerant pipes 2, the total flow rate of refrigerant can be increased, improving the heat exchange efficiency between the refrigerant and the water outside the refrigerant pipes 2. Furthermore, the multiple layers of refrigerant pipes 2 can better distribute the refrigerant flow, making the refrigerant flow in the heat exchanger 100 more uniform, thereby reducing local overheating or overcooling and improving the working stability of the heat exchanger 100. The multiple layers of refrigerant pipes 2 can arrange the refrigerant pipes 2 in a three-dimensional structure outside the mounting sleeve 14, allowing more refrigerant pipes 2 to be arranged in a limited space, improving space utilization, and increasing the heat exchange area and heat exchange efficiency between the refrigerant and the water.

[0069] Additionally, refrigerant pipe 2 can be configured as a single layer.

[0070] In some embodiments, the thickness of the anti-corrosion layer 24 is between 2um and 200um. That is, the thickness of the anti-corrosion layer 24 outside the refrigerant pipe 2 can be 2um, 5um, 8um, 10um, 12um, 15um, 20um, 25um, 30um, 40um, 50um, 60um, 70um, 90um, 110um, 130um, 150um, 170um, 180um, 200um, etc. By setting the above multiple values, the thickness of the anti-corrosion layer 24 is controlled within a very small range, which can effectively separate the refrigerant pipe 2 from corrosive substances, so as to form an effective protection on the outside of the refrigerant pipe 2, effectively reduce the corrosion rate of the refrigerant pipe 2, extend the service life of the refrigerant pipe 2, thereby reducing the frequency and cost of regular maintenance and replacement. In addition, the small thickness of the anti-corrosion layer 24 results in a small thermal resistance of the refrigerant pipe 2, which is conducive to rapid heat exchange between the refrigerant and water. Furthermore, the anti-corrosion layer 24 has a suitable thickness, and the thickness value of the anti-corrosion layer 24 is not limited to those listed above, but can be selected according to actual needs.

[0071] The thickness of the anti-corrosion layer 24 cannot be set too small. If it is too small, although the thermal resistance is small, the structural stability of the anti-corrosion layer 24 is not enough, which will reduce the anti-corrosion performance of the refrigerant pipe 2. The thickness of the anti-corrosion layer 24 cannot be set too large. If it is too large, although the anti-corrosion performance is good, it will increase the thermal resistance and affect the heat dissipation of the refrigerant pipe 2.

[0072] In actual processing, the thickness of the anti-corrosion layer 24 can be controlled between 10um and 50um. This ensures that the refrigerant pipe 2 has good corrosion resistance, and the thermal resistance of the refrigerant pipe 2 will not be too large due to the excessive thickness of the anti-corrosion layer 24, thus affecting heat dissipation. This can effectively extend the service life of the refrigerant pipe 2.

[0073] In some embodiments, heat exchange fins are provided on the outer side of the refrigerant pipe 2. For example, heat exchange fins can be extended on the outer surface of the refrigerant pipe 2. Multiple heat exchange fins can be provided, and the multiple heat exchange fins are spaced apart and arranged on the outside of the refrigerant pipe 2. This allows the heat of the refrigerant in the refrigerant pipe 2 to be transferred to the water in the heat exchange chamber 11 through the multiple heat exchange fins and the refrigerant pipe 2, thereby improving the heat exchange efficiency between the water and the refrigerant.

[0074] Therefore, by setting heat exchange fins, the outer surface area of ​​the refrigerant pipe 2 can be significantly increased, making the heat transfer between the refrigerant and the water outside the refrigerant pipe 2 more complete and efficient. Furthermore, the heat exchange fins can generate a certain amount of turbulence, allowing water to flow between the fins, increasing the heat exchange area between the water and the refrigerant. Moreover, setting multiple heat exchange fins allows for a larger heat exchange area within a smaller space, making the heat exchanger 100 more compact and improving its heat exchange performance.

[0075] The heat exchange fins can be connected to the refrigerant pipe 2 by welding or expansion. The heat exchange fins can be constructed in various shapes such as square and annular.

[0076] In other embodiments, the inner wall of the refrigerant pipe 2 is provided with internal heat exchange threads, that is, a certain number and regular thread shapes are machined on the inner wall of the refrigerant pipe 2. This increases the surface area of ​​the inner wall of the refrigerant pipe 2, thereby increasing the contact area between the refrigerant and the refrigerant pipe 2, and thus improving the heat exchange efficiency. When the refrigerant flows in the refrigerant pipe 2, the refrigerant can more fully exchange heat with the pipe wall of the refrigerant pipe 2, and achieve better heat transfer effect in both cooling and heating processes.

[0077] Therefore, by setting internal heat exchange threads on the inner wall of refrigerant pipe 2, the heat exchange performance can be improved without significantly increasing the size of refrigerant pipe 2.

[0078] Furthermore, the internal heat exchange threads can alter the flow state of the refrigerant to a certain extent, making its flow smoother and faster. The internal heat exchange threads also enhance the structural strength of the refrigerant pipe 2; the presence of the threads makes the inner wall of the refrigerant pipe 2 rougher, making it less susceptible to deformation or breakage due to internal pressure, thus ensuring high reliability.

[0079] In other embodiments, the outer wall of the refrigerant pipe 2 is provided with external heat exchange threads, that is, a certain number and regular thread shapes are machined on the outer wall of the refrigerant pipe 2. This increases the surface area of ​​the outer wall of the refrigerant pipe 2, thereby increasing the contact area between the refrigerant and the refrigerant pipe 2, and thus improving the heat exchange efficiency. When the refrigerant flows in the refrigerant pipe 2, the refrigerant can exchange heat with the water through the refrigerant pipe 2 and the external heat exchange threads, resulting in better heat transfer effects in both cooling and heating processes.

[0080] Therefore, similar to internal heat exchange threads, by setting external heat exchange threads on the outer wall of refrigerant pipe 2, heat exchange performance can be improved without significantly increasing the size of refrigerant pipe 2.

[0081] Furthermore, the external heat exchange threads can alter the flow state of water to a certain extent, making its flow smoother and faster. The external heat exchange threads also enhance the structural strength of the refrigerant pipe 2 to some extent; the presence of the threads makes the outer wall of the refrigerant pipe 2 rougher, making it less susceptible to external pressure or impact, thus strengthening the structural strength of the refrigerant pipe 2.

[0082] The refrigerant pipe 2 is made of copper or aluminum, which is easier to process into internal heat exchange threads compared to titanium pipes, resulting in simpler processing and lower costs. Furthermore, the combined use of internal heat exchange threads, external heat exchange threads, and heat exchange fins can increase the contact area between the refrigerant and the refrigerant pipe 2, as well as the contact area between water and the refrigerant pipe 2, thereby improving the heat exchange efficiency between the refrigerant and water.

[0083] In some embodiments, the second inlet 22 and the second outlet 23 are both located at the same end of the refrigerant pipe 2. For example, the second inlet 22 and the second outlet 23 can be spaced apart and connected to the same end of the refrigerant pipe 2, allowing refrigerant to flow in and out at the same end of the refrigerant pipe 2. Furthermore, the second inlet 22 and the second outlet 23 are located on the same side of the housing 1, allowing the same side of the housing 1 to be used for the installation of the refrigerant pipe 2 and external refrigerant pipes 2. And as... Figure 2 As shown, the second inlet 22 and the second outlet 23 can be located on the upper side of the housing 1, such as... Figure 4 As shown, a connecting part 15 is provided on the lower side of the housing 1 for connecting and fixing the housing 1 to other locations or structures. And as... Figures 1-3 As shown, the first inlet 12 and the first outlet 13 are located on the same side of the housing 1. The second inlet 22 and the second outlet 23 are distributed separately from the first inlet 12 and the first outlet 13, which can make the external refrigerant pipe 2 and the water pipe distributed separately, making installation and maintenance more convenient.

[0084] Furthermore, with the above setup, the connection between refrigerant pipe 2 and external refrigerant pipe 2 takes up less space, and the overall structure of heat exchanger 100 is more compact.

[0085] This utility model also proposes a heat pump system.

[0086] According to the heat pump system of this utility model embodiment, a heat exchanger 100 of any of the above embodiments is provided. In this embodiment, the heat pump system takes a swimming pool heat exchange scenario as an example. The heat pump system can heat or cool the water in the swimming pool. The heat exchanger 100 is connected to the heat pump system. The refrigerant pipe 2 of the heat exchanger 100 is connected to the refrigerant side flow path of the compressor, condenser, etc., and the water pipe of the heat exchanger 100 is connected to the water in the swimming pool. After heat exchange between the refrigerant and the water, the water flows into the swimming pool, thereby realizing the cooling or heating of the swimming pool water.

[0087] The heat exchanger 100 includes a shell 1 and a refrigerant pipe 2. By installing the refrigerant pipe 2 in the heat exchange chamber 11 of the shell 1, heat exchange between the refrigerant and the fluid can be achieved. The material of the refrigerant pipe 2 has a higher thermal conductivity than that of titanium, which can effectively improve the heat exchange efficiency between the refrigerant and the fluid. Furthermore, the refrigerant pipe 2 is provided with an anti-corrosion layer 24, which can effectively prevent water from corroding the refrigerant pipe 2 and extend the service life of the refrigerant pipe 2, thereby improving the heat exchange performance of the heat exchanger 100 and thus improving the heat exchange performance of the heat pump system.

[0088] In some embodiments, the heat pump system is used to exchange heat with the swimming pool, and the first inlet 12 and the first outlet 13 are respectively connected to the swimming pool.

[0089] Taking a swimming pool heat exchange scenario as an example, a heat pump system can heat or cool the water in the pool. Specifically, when applying a heat pump system to a swimming pool, a heat exchanger 100 is connected to the heat pump system. The refrigerant pipe 2 of the heat exchanger 100 is connected to the refrigerant side flow path of the compressor, condenser, etc., and the first inlet 12 and the first outlet 13 of the shell 1 of the heat exchanger 100 are connected to the water in the pool through water pipes. After heat exchange between the refrigerant and the water, the water flows into the pool, thereby achieving cooling or heating of the pool water.

[0090] Furthermore, by providing an anti-corrosion layer 24 on the outside of the refrigerant pipe 2, it has an anti-corrosion function. During long-term use, it can effectively prevent the pool water from corroding the refrigerant pipe 2, extend the service life of the refrigerant pipe 2, thereby improving the heat exchange performance of the heat exchanger 100, ensuring a continuous and stable water supply to the pool by the heat pump system, and thus enhancing the user experience.

[0091] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0092] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A heat exchanger, characterized by, The application relates to a heat exchanger and a heat pump system. The heat exchanger comprises a shell, a heat exchange cavity formed in the shell, a first inlet and a first outlet of the heat exchange cavity, a refrigerant pipe, a second inlet and a second outlet of the refrigerant pipe, and a corrosion-resistant layer. The material of the refrigerant pipe has a higher heat conductivity than that of titanium. The material of the refrigerant pipe comprises copper and / or aluminum.

2. The heat exchanger of claim 1, wherein The corrosion-resistant layer is made of non-metallic material.

3. The heat exchanger of claim 1, wherein The material of the corrosion-resistant layer comprises resin material or ceramic material.

4. The heat exchanger of claim 1, wherein The heat exchange cavity is provided with a mounting sleeve, and the refrigerant pipe is arranged outside the mounting sleeve.

5. The heat exchanger according to any one of claims 1-4, characterized in that The refrigerant pipe is arranged outside the mounting sleeve in multiple layers, and the multiple layers of the refrigerant pipe are distributed along the radial direction of the mounting sleeve.

6. The heat exchanger of claim 5, wherein The thickness of the corrosion-resistant layer is between 2um and 200um.

7. The heat exchanger according to any one of claims 1-4, characterized in that The refrigerant pipe is provided with heat exchange fins.

8. The heat exchanger according to any one of claims 1-4, characterized in that The inner wall of the refrigerant pipe is provided with inner heat exchange threads. The outer wall of the refrigerant pipe is provided with outer heat exchange threads. The second inlet and the second outlet are located at the same end of the refrigerant pipe.

9. The heat exchanger according to any one of claims 1-4, characterized in that The heat pump system is used for heat exchange with a swimming pool.

10. A heat pump system, characterized by, The first inlet and the first outlet are connected with the swimming pool.

11. The heat pump system of claim 10, wherein, ​

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