Air energy heat pump unit

Abstract

The invention discloses an air energy heat pump unit, and relates to the technical field of heat pump heating, the air energy heat pump unit comprises a water circulation assembly and a heat supply assembly, the water circulation assembly comprises a heat exchange box, the heat supply assembly comprises a heat exchange pipe, and the heat exchange pipe is rotatably assembled in the heat exchange box; the heat exchange pipe comprises a liquid inlet straight pipe section vertically penetrating through the center of the top wall of the heat exchange box and a liquid outlet straight pipe section vertically penetrating through the center of the bottom wall of the heat exchange box. After the heat exchange pipe rotates, due to the fact that the opening of the liquid inlet portion of the liquid inlet bent pipe faces one side of the rotating direction of the heat exchange transverse pipe section, cold water in the heat exchange box can flow into the liquid inlet bent pipe and rapidly flow from one end of the rotating pipe to the other end of the rotating pipe, and in the process, due to the fact that the cold water is in a rapid flowing state, the heat exchange efficiency is improved. On one hand, formation of scale on the outer wall of the heat exchange transverse pipe section can be delayed, and on the other hand, cold water in the heat exchange box can make contact with the heat exchange transverse pipe section quickly and participate in heat exchange, so that the cold water in the heat exchange box makes contact with the heat exchange transverse pipe section more sufficiently.

Description

Technical Field

[0001] The invention relates to the technical field of heat pump heating, in particular to an air energy heat pump unit. Background Art

[0002] Air energy heat pump is a water heater that uses the energy in the air to generate heat energy. It can provide the whole family with different hot water needs with large water volume, high water pressure and constant temperature 24 hours a day, and at the same time consume the least energy to meet the above requirements. In the prior art, when the fluid medium in the air energy heat pump exchanges heat with cold water, the cold water near the heat exchange tube is first heated during the heat exchange process, and the remaining cold water is heated by relying on the heat transfer between the cold water. The heating efficiency is low. In addition, since the cold water in the heat exchange box is mostly tap water, the heat exchange tube is in the cold water of the heat exchange box for a long time, and scale will form on its outer wall. The formation of scale on the outer wall of the heat exchange tube will hinder the heat transfer efficiency of the heat exchange tube, which greatly affects the heating efficiency of the cold water. Summary of the invention

[0003] The object of the present invention is to provide an air energy heat pump unit to solve the problems raised in the above background technology.

[0004] In order to achieve the above-mentioned invention object, the present invention adopts the following technical scheme: The present invention provides an air energy heat pump unit, comprising a water circulation component and a heating component, wherein the water circulation component comprises a heat exchange box, the heating component comprises a heat exchange tube, and the heat exchange tube is rotatably assembled in the heat exchange box; The heat exchange tube comprises a liquid inlet straight tube section vertically penetrating the center of the top wall of the heat exchange box, a liquid outlet straight tube section vertically penetrating the center of the bottom wall of the heat exchange box, and a plurality of heat exchange transverse tube sections arranged between the liquid inlet straight tube section and the liquid outlet straight tube section; wherein the liquid inlet straight tube section is coaxially arranged with the liquid outlet straight tube section, and the heat exchange tube can rotate around the central axis of its liquid inlet straight tube section under the drive of the driving device; Each of the heat exchange transverse pipe sections is provided with a liquid passing assembly, the liquid passing assembly comprising a rotating pipe, a liquid inlet elbow and a liquid outlet elbow, wherein the rotating pipe is coaxially arranged on the outside of the heat exchange transverse pipe section, the inner wall of the rotating pipe is evenly provided with spiral blades along the circumferential direction, and the side of the spiral blade away from the rotating pipe is in contact with the heat exchange transverse pipe section; The liquid inlet elbow and the liquid outlet elbow are fixedly arranged on the heat exchange tube, and the liquid inlet elbow and the liquid outlet elbow are rotatably connected to the two ends of the rotating tube respectively. The liquid inlet elbow includes a liquid inlet portion which is horizontally arranged and perpendicular to the rotating tube, and the opening of the liquid inlet portion faces one side of the rotation direction of the heat exchange cross tube section. The liquid outlet elbow includes a liquid outlet portion which is horizontally arranged and parallel to the rotating tube, and the opening of the liquid outlet portion faces the center of the heat exchange box.

[0005] Furthermore, the water circulation component comprises a cold water inlet pipe and a hot water outlet pipe respectively connected to the top and the bottom of the heat exchange box, and the cold water inlet pipe and the hot water outlet pipe are both connected to a water pump.

[0006] Furthermore, the liquid inlet straight pipe section and the liquid outlet straight pipe section of the heat exchange tube are both arranged on the pipeline of the liquid medium through a rotary joint.

[0007] Furthermore, the heat exchange tube also includes a first conductive straight pipe section and a second conductive straight pipe section respectively vertically arranged on both sides of the interior of the heat exchange box, wherein the top end of the first conductive straight pipe section is connected to the liquid inlet straight pipe section through a connecting elbow section, and the bottom end of the second conductive straight pipe section is connected to the liquid outlet straight pipe section through a connecting elbow section, and a plurality of heat exchange transverse pipe sections are evenly distributed between the first conductive straight pipe section and the second conductive straight pipe section, and both ends of the heat exchange transverse pipe section are respectively connected to the first conductive straight pipe section and the second conductive straight pipe section.

[0008] Furthermore, the heat exchange transverse pipe section may be made of a high thermal conductivity material, and the first conducting straight pipe section, the second conducting straight pipe section, the connecting elbow section, the liquid inlet straight pipe section and the liquid outlet straight pipe section may be made of a high-strength material.

[0009] Furthermore, the liquid inlet elbow is fixedly connected to the second conductive straight pipe section, and the liquid outlet elbow is fixedly connected to the first conductive straight pipe section.

[0010] Furthermore, stirring blades are evenly arranged on the outer wall of the rotating tube, and the blades on adjacent rotating tubes are staggered.

[0011] Furthermore, a diffusion cover is installed at the opening of the liquid inlet portion of the liquid inlet elbow section.

[0012] Furthermore, a first blocking baffle is evenly arranged axially in the first conducting straight pipe section, and a second blocking baffle is evenly arranged in the second conducting straight pipe section. The first blocking baffle and the second blocking baffle can make the liquid medium entering the heat exchange tube flow in a serpentine shape from top to bottom in the plurality of the heat exchange horizontal pipe sections in sequence.

[0013] Compared with the prior art, one or more of the above technical solutions have the following beneficial effects: 1. When the heat exchange tube rotates, the cold water in the heat exchange box will flow into the liquid inlet elbow and flow rapidly from one end of the rotating tube to the other end because the liquid inlet opening of the liquid inlet elbow faces the side of the rotation direction of the heat exchange transverse tube section. In this process, since the cold water is in a fast-flowing state, on the one hand, the formation of scale on the outer wall of the heat exchange transverse tube section can be delayed, and on the other hand, the cold water in the heat exchange box can quickly contact the heat exchange transverse tube section and participate in the heat exchange, so that the cold water in the heat exchange box can more fully contact the heat exchange transverse tube section. 2. In the process of rapid flow of cold water from one end to the other end of the rotating tube of the present invention, the cold water will impact the spiral blades of the rotating tube, thereby causing the rotating tube to rotate. At this time, the spiral blades on the inner side of the rotating tube are equivalent to scrapers, which can scrape off the scale formed on the outer wall of the heat exchange transverse tube section to prevent scale from forming on the outer wall of the heat exchange transverse tube section.

[0014] In addition, the cold water of the present invention flows through the rotating tube into the liquid outlet straight pipe section and flows out from the opening of the liquid outlet portion toward the center of the heat exchange box, so that the liquid overflow component promotes the flow of cold water in the heat exchange box (causing the cold water outside the heat exchange box to flow toward the center after passing through the liquid overflow component), which can further enable the cold water in the heat exchange box to be evenly heated.

[0015] It is to be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings in the specification, which constitute a part of the present invention, are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute improper limitations on the present invention.

[0017] Figure 1 It is a schematic diagram of the structure of the present invention; Figure 2 It is a cross-sectional structural schematic diagram of the present invention; Figure 3 It is a schematic diagram of the internal structure of the heat exchange box of the present invention; Figure 4 It is a schematic diagram of the split structure of the heat exchange tube and the liquid passing component of the present invention; Figure 5 It is a schematic diagram of the heat exchange tube structure of the present invention; Figure 6 It is a schematic diagram of the side view structure of the rotating tube of the present invention; Figure 7 It is a schematic diagram of the internal structure of the rotating tube of the present invention; Figure 8 It is a schematic diagram of the structure of the stirring blade on the rotating tube of the present invention; Fig. 9 It is a schematic structural diagram of the connection between the driving device and the liquid inlet straight pipe section of the present invention.

[0018] In the figure: 1-heat exchange box; 11-cold water inlet pipe; 12-hot water outlet pipe; 2-heat exchange tube; 21-liquid inlet straight pipe section; 22-liquid outlet straight pipe section; 23-heat exchange transverse pipe section; 24-first conduction straight pipe section; 241-first plugging baffle; 25-second conduction straight pipe section; 251-second plugging baffle; 26-connecting elbow section; 3-liquid passing assembly; 31-rotating tube; 311-spiral blade; 312-stirring blade; 32-liquid inlet elbow; 321-liquid inlet part; 322-expansion cover; 33-liquid outlet elbow; 331-liquid outlet part 4-motor; 5-reducer; 6-rotary joint. DETAILED DESCRIPTION

[0019] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present application.

[0020] See also Figure 1-Figure 9 The present invention provides an air energy heat pump unit, which mainly includes four major components: an evaporator, a condenser, a compressor, and an expansion valve. The structures and principles of the above four major components are all existing technologies and will not be elaborated on here.

[0021] In addition to the above four parts, the air energy heat pump unit also includes a water circulation component and a heating component. The water circulation component is used to exchange heat between cold water and the heating component, so that cold water is converted into hot water for indoor heating (such as indoor geothermal system).

[0022] The water circulation component includes a heat exchange box 1. Specifically, the heat exchange box 1 is a cylindrical container. The heating component includes a heat exchange tube 2, which is rotatably assembled in the heat exchange box 1. During operation, the heat exchange tube 2 can rotate so that it dynamically heats the cold water in the heat exchange box 1, thereby making the heat exchange tube 2 evenly contact with the cold water in the heat exchange box 1 to accelerate the heat exchange between the cold water and the liquid medium in the heat exchange tube 2, so that the cold water is heated more evenly. Compared with the static heating of the heat exchange tube 2 in the conventional technology, the cold water near the heat exchange tube 2 is heated first, and then the remaining cold water is heated by relying on the heat transfer between the cold water. The present invention can achieve the purpose of fully and evenly heating the cold water.

[0023] Specifically, the heat exchange tube 2 includes a liquid inlet straight pipe section 21 vertically penetrating the center of the top wall of the heat exchange box 1, a liquid outlet straight pipe section 22 vertically penetrating the center of the bottom wall of the heat exchange box 1, and a plurality of heat exchange transverse pipe sections 23 arranged between the liquid inlet straight pipe section 21 and the liquid outlet straight pipe section 22; wherein the liquid inlet straight pipe section 21 is coaxially arranged with the liquid outlet straight pipe section 22, and the heat exchange tube 2 can rotate around the central axis of its liquid inlet straight pipe section 21 under the drive of a driving device (not shown).

[0024] When using, Fig. 9 As shown, the liquid inlet straight pipe section 21 and the liquid outlet straight pipe section 22 of the heat exchange tube 2 are respectively connected to the liquid outlet end and the reflux end of the external pipeline through a rotary joint 6, wherein the rotary joint 6 is a closed rotary connector for 360° rotating medium transmission in the prior art. When the liquid inlet straight pipe section 21 and the liquid outlet straight pipe section 22 are connected to the external pipeline through the rotary joint, the heat exchange tube can realize relative rotation with the external pipeline and transmit the medium. The liquid inlet straight pipe section 21 and the liquid outlet straight pipe section 22 of the heat exchange tube 2 can form a "rotation axis" of the heat exchange tube 2. The driving device (such as a motor) can rotate the liquid inlet straight pipe section 21 or the liquid outlet straight pipe section 22 outside the heat exchange box 1, thereby rotating the heat exchange tube 2 around the central axis of its liquid inlet straight pipe section 21. Specifically, in this embodiment, as shown in FIG. Fig. 9 As shown, the motor 4 is connected to the liquid inlet straight pipe section 21 through the reducer 5 to drive the heat exchange tube 2 to rotate, so that the heat exchange tube 2 is fully in contact with the cold water in the heat exchange box 1. In the heat exchange stage of the heat exchange tube 2, the high-temperature liquid medium in the external pipeline is discharged from its liquid outlet end and enters the heat exchange tube 2 from the liquid inlet straight pipe section 21 of the heat exchange tube 2 through the rotary joint 6, and releases heat in several heat exchange transverse pipe sections 23 of the heat exchange tube 2 to heat the cold water in the heat exchange box 1 (i.e., the exchange of cold water and liquid medium). Subsequently, the liquid medium that releases heat is discharged from the liquid outlet straight pipe section 22 of the heat exchange tube 2, passes through the rotary joint 6, and flows back to the external pipeline from the reflux end of the external pipeline to achieve heating of the cold water.

[0025] In the above-mentioned heat exchange process, since the cold water in the heat exchange box 1 is mostly tap water, the heat exchange cross-tube section 23 is in the cold water of the heat exchange box 1 for a long time, and scale will form on its outer wall. The formation of scale on the outer wall of the heat exchange cross-tube section 23 will hinder the heat transfer efficiency of the heat exchange cross-tube section 23, greatly affecting the heating efficiency of the cold water.

[0026] To this end, the present invention is equipped with a liquid-passing component 3 on each of the heat exchange transverse pipe sections 23, Figure 3 and Figure 4 As shown, the liquid passing component 3 includes a rotating tube 31, a liquid inlet elbow 32 and a liquid outlet elbow 33, wherein the rotating tube 31 is coaxially arranged on the outside of the heat exchange transverse tube section 23, and the inner wall of the rotating tube 31 is evenly provided with spiral pieces 311 along the circumferential direction, and the side of the spiral piece 311 away from the rotating tube 31 is in contact with the heat exchange transverse tube section 23; The liquid inlet elbow 32 and the liquid outlet elbow 33 are fixedly arranged on the heat exchange tube 2, and the liquid inlet elbow 32 and the liquid outlet elbow 33 are respectively rotatably connected to the two ends of the rotating tube 31, the liquid inlet elbow 32 includes a liquid inlet portion 321 horizontally arranged and perpendicular to the rotating tube 31, and the opening of the liquid inlet portion 321 faces one side of the rotation direction of the heat exchange cross tube section 23, and the liquid outlet elbow 33 includes a liquid outlet portion 331 horizontally arranged and parallel to the rotating tube 31, and the opening of the liquid outlet portion 331 faces the center of the heat exchange box 1.

[0027] Based on the design of the liquid-passing component 3, when the heat exchange tube 2 rotates, since the opening of the liquid inlet portion 321 of the liquid inlet elbow 32 faces the side of the rotation direction of the heat exchange transverse tube section 23, the cold water in the heat exchange box 1 will flow into the liquid inlet elbow 32 and flow rapidly from one end of the rotating tube 31 to the other end. In this process, since the cold water is in a fast-flowing state, on the one hand, the formation of scale on the outer wall of the heat exchange transverse tube section 23 can be delayed, and on the other hand, the cold water in the heat exchange box 1 can quickly contact the heat exchange transverse tube section 23 and participate in the heat exchange, so that the cold water in the heat exchange box 1 can evenly contact the heat exchange transverse tube section 23. In addition, when the cold water flows rapidly from one end of the rotating tube 31 to the other end, the cold water will impact the spiral blades 311 of the rotating tube 31, thereby causing the rotating tube 31 to rotate. At this time, the spiral blades 311 on the inner side of the rotating tube 31 are equivalent to scraper plates, which can scrape off the scale formed on the outer wall of the heat exchange cross tube section 23 to prevent scale from forming on the outer wall of the heat exchange cross tube section 23.

[0028] It is worth mentioning that the cold water flows through the rotating tube 31, enters the liquid outlet straight pipe section 22, and flows out from the opening of its liquid outlet portion 331 toward the center of the heat exchange box 1, so that the liquid overflow component 3 in the heat exchange box 1 promotes the flow of cold water (so that the cold water outside the heat exchange box 1 flows toward the center after passing through the liquid overflow component 3), which can further enable the cold water in the heat exchange box 1 to be evenly heated.

[0029] In a specific embodiment of the present invention, the water circulation assembly includes a cold water inlet pipe 11 and a hot water outlet pipe 12 respectively connected to the top and bottom of the heat exchange box 1, and a water pump (not shown) is connected to the cold water inlet pipe 11 and the hot water outlet pipe 12. When in use, the cold water inlet pipe 11 is used to inject cold water into the bottom of the heat exchange box 1, and the hot water outlet pipe 12 is used to export the hot water at the top of the heat exchange box 1 for indoor heating.

[0030] In a specific embodiment of the present invention, the liquid inlet straight pipe section 21 and the liquid outlet straight pipe section 22 of the heat exchange tube 2 are both arranged on the pipeline of the liquid medium through a rotary joint (not shown).

[0031] In a specific embodiment of the present invention, the heat exchange tube 2 also includes a first conductive straight pipe section 24 and a second conductive straight pipe section 25 which are respectively vertically arranged on both sides of the interior of the heat exchange box 1, wherein the top end of the first conductive straight pipe section 24 is connected to the liquid inlet straight pipe section 21 through a connecting elbow section 26, and the bottom end of the second conductive straight pipe section 25 is connected to the liquid outlet straight pipe section 22 through a connecting elbow section 26, and a plurality of heat exchange transverse pipe sections 23 are evenly distributed between the first conductive straight pipe section 24 and the second conductive straight pipe section 25, and the two ends of the heat exchange transverse pipe section 23 are respectively connected to the first conductive straight pipe section 24 and the second conductive straight pipe section 25.

[0032] Furthermore, according to the foregoing, it can be known that during the heat exchange process, only the heat exchange transverse tube section 23 participates in the heat exchange, therefore, the heat exchange transverse tube section 23 can be made of a high thermal conductivity material (such as copper), so as to provide a heat exchange effect of the heat exchange transverse tube section 23, and for the first conductive straight tube section 24, the second conductive straight tube section 25, the connecting elbow section 26, the liquid inlet straight tube section 21 and the liquid outlet straight tube section 22 of the heat exchange tube 2, in order to avoid damage to the heat exchange tube 2 during rotation, the first conductive straight tube section 24, the second conductive straight tube section 25, the connecting elbow section 26, the liquid inlet straight tube section 21 and the liquid outlet straight tube section 22 can be made of high-strength materials to increase the structural strength of the heat exchange tube 2 and meet the strength requirements for its rotation in the heat exchange box 1.

[0033] In a specific embodiment of the present invention, the liquid inlet elbow 32 is fixedly connected to the second conductive straight pipe section 25 , and the liquid outlet elbow 33 is fixedly connected to the first conductive straight pipe section 24 .

[0034] The liquid passing component 3, namely the rotating tube 31, the liquid inlet elbow 32 and the liquid outlet elbow 33, can form a protective structure outside the heat exchange transverse tube section 23 to strengthen the connection strength between the first conductive straight tube section 24 and the second conductive straight tube section 25, thereby preventing the heat exchange transverse tube section 23 from being damaged and deformed during the rotation of the heat exchange tube 2.

[0035] In a specific embodiment of the present invention, stirring blades 312 are evenly fixedly arranged on the outer wall of the rotating tube 31, and the blades on adjacent rotating tubes 31 are staggered. During the rotation process, the rotating tube 31 can stir the cold water in the heat exchange box 1 through the stirring blades 312 on its outer wall, so that the cold water in each part of the heat exchange box 1 can be quickly blended, so that the cold water inside it is evenly heated.

[0036] In a specific embodiment of the present invention, a diffuser cover 322 is installed at the opening of the liquid inlet portion 321 of the liquid inlet elbow 32. Based on the above design, the flow rate of the cold water entering the rotating tube 31 can be increased without increasing the rotation speed of the heat exchange tube 2, that is, the impact of the cold water on the spiral sheet 311, so that the rotating tube 31 can rotate normally.

[0037] In a specific embodiment of the present invention, a first blocking baffle 241 is evenly arranged in the axial direction in the first conducting straight pipe section 24, and a second blocking baffle 251 is evenly arranged in the second conducting straight pipe section 25. The first blocking baffle 241 and the second blocking baffle 251 can make the liquid medium entering the heat exchange tube 2 flow in a serpentine shape from top to bottom in the plurality of heat exchange transverse pipe sections 23. Based on the above design, the heat exchange tube 2 can prolong the flow time of the liquid medium therein and improve the overall heat exchange efficiency.

[0038] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An air energy heat pump unit, comprising a water circulation component and a heating component, wherein the water circulation component comprises a heat exchange box, the heating component comprises a heat exchange tube, and the heat exchange tube is rotatably assembled in the heat exchange box; It is characterized in that The heat exchange tube comprises a liquid inlet straight tube section vertically penetrating the center of the top wall of the heat exchange box, a liquid outlet straight tube section vertically penetrating the center of the bottom wall of the heat exchange box, and a plurality of heat exchange transverse tube sections arranged between the liquid inlet straight tube section and the liquid outlet straight tube section; wherein the liquid inlet straight tube section is coaxially arranged with the liquid outlet straight tube section, and the heat exchange tube can rotate around the central axis of its liquid inlet straight tube section under the drive of the driving device; Each of the heat exchange transverse pipe sections is provided with a liquid passing assembly, the liquid passing assembly comprising a rotating pipe, a liquid inlet elbow and a liquid outlet elbow, wherein the rotating pipe is coaxially arranged on the outside of the heat exchange transverse pipe section, the inner wall of the rotating pipe is evenly provided with spiral blades along the circumferential direction, and the side of the spiral blade away from the rotating pipe is in contact with the heat exchange transverse pipe section; The liquid inlet elbow and the liquid outlet elbow are fixedly arranged on the heat exchange tube, and the liquid inlet elbow and the liquid outlet elbow are rotatably connected to the two ends of the rotating tube respectively. The liquid inlet elbow includes a liquid inlet portion which is horizontally arranged and perpendicular to the rotating tube, and the opening of the liquid inlet portion faces one side of the rotation direction of the heat exchange cross tube section. The liquid outlet elbow includes a liquid outlet portion which is horizontally arranged and parallel to the rotating tube, and the opening of the liquid outlet portion faces the center of the heat exchange box.

2. The air energy heat pump unit according to claim 1, characterized in that: The water circulation component comprises a cold water inlet pipe and a hot water outlet pipe respectively connected to the top and the bottom of the heat exchange box, and the cold water inlet pipe and the hot water outlet pipe are both connected to a water pump.

3. The air energy heat pump unit according to claim 1, characterized in that: The liquid inlet straight pipe section and the liquid outlet straight pipe section of the heat exchange pipe are both arranged on the pipeline of the liquid medium through a rotary joint.

4. The air energy heat pump unit according to claim 3, characterized in that: The heat exchange tube also includes a first conductive straight pipe section and a second conductive straight pipe section respectively vertically arranged on both sides of the interior of the heat exchange box, wherein the top end of the first conductive straight pipe section is connected to the liquid inlet straight pipe section through a connecting elbow section, and the bottom end of the second conductive straight pipe section is connected to the liquid outlet straight pipe section through a connecting elbow section, and a plurality of heat exchange transverse pipe sections are evenly distributed between the first conductive straight pipe section and the second conductive straight pipe section, and both ends of the heat exchange transverse pipe section are respectively connected to the first conductive straight pipe section and the second conductive straight pipe section.

5. The air energy heat pump unit according to claim 4, characterized in that: The heat exchange transverse pipe section may be made of a high thermal conductivity material, and the first conducting straight pipe section, the second conducting straight pipe section, the connecting elbow section, the liquid inlet straight pipe section and the liquid outlet straight pipe section may be made of a high-strength material.

6. The air energy heat pump unit according to claim 5, characterized in that: The liquid inlet elbow is fixedly connected to the second conducting straight pipe section, and the liquid outlet elbow is fixedly connected to the first conducting straight pipe section.

7. The air energy heat pump unit according to claim 1, characterized in that: The outer wall of the rotating tube is evenly provided with stirring blades, and the blades on adjacent rotating tubes are staggered.

8. The air energy heat pump unit according to claim 1, characterized in that: A diffusion cover is installed at the opening of the liquid inlet portion of the liquid inlet curved pipe section.

9. The air energy heat pump unit according to claim 4, characterized in that: The first conducting straight pipe section is evenly and axially provided with a first blocking baffle, and the second conducting straight pipe section is evenly and axially provided with a second blocking baffle. The first blocking baffle and the second blocking baffle enable the liquid medium entering the heat exchange tube to flow in a serpentine shape in the plurality of the heat exchange transverse pipe sections from top to bottom in sequence.

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