Novel rotary energy-saving air conditioning unit

Abstract

This utility model relates to the field of air conditioning technology, and more specifically, to a novel rotary energy-saving air conditioning unit. The utility model includes: a unit casing; an air inlet at the top front end and an air outlet at the top rear end of the unit casing; multiple maintenance doors on the side of the unit casing; a four-stage coil structure inside the unit casing; all four-stage coil structures are rotary heat exchange structures, capable of self-controlled rotation to control the heat exchange contact area; primary and secondary filters are located at the front end of the coil structure; a dry steam humidifier and a blower are located at the rear end of the coil structure; a control cabinet is located at the rear of the unit casing, and the control cabinet is connected to the four-stage coil structure, primary and secondary filters, and the blower. The technical solution of this utility model solves the problem that traditional air conditioners have high energy consumption, and their energy efficiency drops significantly during long-term operation. In spaces requiring specific temperature, humidity, and cleanliness, continuous use of air conditioning makes it impossible to reduce operating costs.

Description

Technical Field

[0001] This utility model relates to the field of air conditioning technology, and more specifically, to a novel rotary energy-saving air conditioning unit. Background Technology

[0002] Currently, traditional air conditioning systems have the problem of high energy consumption. When existing air conditioning systems are running for a long time, their energy efficiency ratio will drop significantly, resulting in energy waste. In spaces where temperature, humidity and cleanliness are required, air conditioning needs to be used continuously, and the operating costs cannot be reduced in this case.

[0003] In view of the problems existing in the above-mentioned existing technologies, it is necessary to research and design a new type of rotary energy-saving air conditioning unit to overcome the problems existing in the existing technologies. Summary of the Invention

[0004] Traditional air conditioners, as described above, have high energy consumption, and their energy efficiency drops significantly during long-term operation. In spaces requiring strict temperature, humidity, and cleanliness controls, continuous use of air conditioning makes cost reduction a persistent technical problem. Therefore, this invention provides a novel rotary energy-saving air conditioning unit. This invention primarily addresses the high energy consumption issue of existing air conditioning systems through a rotatable four-stage heat exchange structure, selectively reducing operating air resistance, and the application of EC fans or variable frequency technology.

[0005] The technical means adopted in this utility model are as follows:

[0006] A novel rotary energy-saving air conditioning unit includes a unit casing; an air inlet is provided at the top front end of the unit casing, and an air outlet is provided at the top rear end; multiple maintenance doors are provided on the side of the unit casing.

[0007] Furthermore, the unit casing is equipped with a primary preheating coil structure, a secondary cold / heating shared coil structure, a tertiary recooling coil structure, and a quaternary reheating coil structure.

[0008] Furthermore, the first-stage preheating coil structure, the second-stage cold / heat shared coil structure, the third-stage recooling coil structure, and the fourth-stage reheating coil structure are rotary heat exchange structures that can be automatically rotated to control the heat exchange contact area.

[0009] Furthermore, a primary filter and a secondary filter are installed at the front end of the primary preheating coil structure;

[0010] Furthermore, a dry steam humidifier and a blower are installed at the rear end of the four-stage reheat coil structure;

[0011] Furthermore, a control cabinet is installed at the rear of the unit casing. The control cabinet is connected to the primary preheating coil structure, the secondary cold / heating shared coil structure, the tertiary recooling coil structure, the quaternary reheating coil structure, the primary filter, the secondary filter, and the blower.

[0012] Furthermore, the first-stage preheating coil structure, the second-stage cold / heat shared coil structure, the third-stage recooling coil structure, and the fourth-stage reheating coil structure are identical in structure, all including: a vertical heat exchanger, a support frame, an inner frame, a rotating support mechanism, a bent-tube rotating structure, a drive device, a lower water inlet pipe, an upper water outlet pipe, and a straight pipe rotary joint.

[0013] Furthermore, the support frame is a steel structure support, formed by windbreak panels, and fixedly installed inside the unit casing;

[0014] Furthermore, the vertical heat exchanger is fixedly mounted inside the inner frame;

[0015] Furthermore, the upper and lower ends of the inner frame are respectively connected to the rotating support mechanism fixedly mounted on the upper and lower ends of the support frame; the rotating support mechanism is the key component for realizing the rotation of the heat exchanger and also plays the role of fixing the heat exchanger.

[0016] Furthermore, the lower inlet pipe and the upper outlet pipe are connected to the lower and upper ends of the vertical heat exchanger respectively through a bend-pipe rotary joint and a straight pipe rotary joint, providing water as the heat exchange medium for the vertical heat exchanger; the bend-pipe rotary joint and the straight pipe rotary joint can ensure that the heat exchanger can remain tightly connected to the inlet and outlet pipes during rotation, without the need for manual operation.

[0017] Furthermore, the drive unit is fixedly mounted on the support frame and connected to the rotating support mechanism. The rotating support mechanism drives the inner frame to rotate, and the rotation of the heat exchanger can be realized according to the control command.

[0018] Furthermore, the inner frame is fitted with a sealing structure on the outside for sealing between the inner frame and the support frame, ensuring that the airflow can completely pass through the heat exchanger during operation to achieve heat exchange.

[0019] Furthermore, the lower part of the support frame is equipped with a large-enclosed inclined condensate pan, which can completely and quickly drain condensate generated by the heat exchanger to prevent bacterial growth.

[0020] Furthermore, the vertical heat exchanger consists of coils, fins, and manifolds;

[0021] Furthermore, the materials used for the coils include, but are not limited to, copper tubes, stainless steel tubes, and carbon steel tubes;

[0022] Furthermore, the materials of the fins include, but are not limited to, aluminum fins, stainless steel fins, and carbon steel fins;

[0023] Furthermore, the materials of the manifold include, but are not limited to, copper manifolds, stainless steel manifolds, and carbon steel manifolds.

[0024] Furthermore, the upper water outlet pipe and the lower water inlet pipe are respectively connected to the water outlet and water inlet at the upper and lower ends of the unit casing.

[0025] Furthermore, the flange end of the upper outlet pipe is connected to the straight pipe flange at one end of the straight pipe rotary joint;

[0026] Furthermore, the straight pipe rotary joint is fixed to the top of the support frame, and the other end of the copper pipe flange is connected to the water pipe flange located at the outlet of the vertical heat exchanger to discharge the heat exchange water inside the vertical heat exchanger.

[0027] Furthermore, the flange end of the lower water inlet pipe is connected to the flange of the bent pipe at one end of the bend swivel joint;

[0028] Furthermore, the bend-pipe rotary joint is fixed to the lower part of the support frame, and the other end is connected to the water pipe flange located at the water inlet of the vertical heat exchanger through a flange, so as to provide heat exchange water for the vertical heat exchanger.

[0029] Furthermore, the control cabinet is equipped with an automatic control mechanism that detects the air temperature at the front end of the primary preheating coil structure, the secondary cold / heat shared coil structure, the tertiary recooling coil structure, and the quaternary reheating coil structure, and automatically controls the rotation / return of the vertical heat exchanger according to the set logic.

[0030] Furthermore, both the filter and the secondary filter include mounting frames fixed inside the unit housing;

[0031] Furthermore, the filter is mounted on the mounting frame using fasteners.

[0032] Furthermore, the dry steam humidifier includes: a nozzle, a spray bar, a steam generator, and a fixing device;

[0033] Furthermore, the steam generator is mounted outside the unit casing via a fixing device;

[0034] Furthermore, the spray bar is installed inside the unit casing and connected to the steam generator tank;

[0035] Furthermore, the spray bar is equipped with several nozzles, which transport the steam generated by the steam generator to the nozzles and spray it out.

[0036] Furthermore, the blower includes an EC fan and a mounting frame. When the unit's air resistance changes, the EC fan or frequency conversion technology can significantly reduce motor energy consumption and save operating costs.

[0037] Furthermore, the new rotary energy-saving air conditioning unit has the following usage modes:

[0038] S16. Winter Operation Mode: The primary preheating coil and the secondary cooling / heating shared coil operate. The tertiary recooling coil and the quaternary reheating coil rotate 90 degrees to reduce air resistance, thereby reducing unit energy consumption. Cold air enters through the air inlet, is filtered by the primary and secondary filters, and then undergoes heat exchange through the primary preheating coil and the secondary cooling / heating shared coil before being humidified and discharged through the air outlet. In this mode, the secondary cooling / heating shared coil operates in heating mode.

[0039] S17. Summer Operating Mode: The unit operates with a two-stage cooling / heating shared coil structure, a three-stage recooling coil structure, and a four-stage reheating coil structure. The first-stage preheating coil structure rotates 90 degrees to reduce air resistance, thereby reducing unit energy consumption. Hot air enters through the air inlet, is filtered by the first and second-stage filters, and then undergoes heat exchange through the two-stage cooling / heating shared coil structure, the three-stage recooling coil structure, and the four-stage reheating coil structure before being delivered out through the air outlet. In this mode, the two-stage cooling / heating shared coil structure operates in cooling mode, the three-stage recooling coil structure delivers dew-point air for dehumidification, and the four-stage reheating coil structure reheats the air to meet the supply air temperature requirements.

[0040] S18, Spring and Autumn Transition Season Operating Mode: During the transition season, the air intake conditions, namely temperature and humidity, are monitored according to different regions and operating conditions. The heat exchanger rotation is adjusted as needed to reduce air resistance, thereby reducing unit energy consumption. Hot air enters through the air inlet, passes through a primary filter and a secondary filter, and then passes through one or more of the following coil structures after heat exchange: a primary preheating coil structure, a secondary cooling / heating shared coil structure, a tertiary recooling coil structure, and a quaternary reheating coil structure. After humidification, the air is delivered through the air outlet. In this mode, the secondary cooling / heating shared coil structure can be in either heating or cooling mode as needed.

[0041] Compared with the prior art, the present invention has the following advantages:

[0042] 1. The novel rotary energy-saving air conditioning unit provided by this utility model starts the rotary heat exchanger in seasonal conditions where the heat exchanger is not required to work, reduces airflow resistance, and reduces the energy consumption of the air conditioning motor by combining EC fan or frequency conversion technology, thereby achieving the purpose of energy saving and emission reduction.

[0043] 2. The novel rotary energy-saving air conditioning unit provided by this utility model has a coil structure at each stage that enables the heat exchanger to rotate, and can be used in central air conditioning terminal equipment as an independent section;

[0044] 3. The novel rotary energy-saving air conditioning unit provided by this utility model allows the angle of the heat exchangers at each stage of the coil structure to be adjusted according to different temperature environments, thereby reducing wind resistance and motor energy consumption.

[0045] 4. The novel rotary energy-saving air conditioning unit provided by this utility model has a coil structure at each stage that allows the inlet and outlet water pipes to be tightly connected to the main pipeline during the rotation of the heat exchanger, eliminating the need for manual switching operations.

[0046] 5. The novel rotary energy-saving air conditioning unit provided by this utility model can realize the rotation of the heat exchanger according to the control command of each stage of the coil structure, without the need for manual operation;

[0047] 6. The novel rotary energy-saving air conditioning unit provided by this utility model can switch between two modes during use: air exchanges heat entirely through the heat exchanger and air flows out without passing through the heat exchanger.

[0048] 7. The novel rotary energy-saving air conditioning unit provided by this utility model has a multi-stage coil structure that enables complete and rapid discharge of condensate, preventing the growth of bacteria;

[0049] 8. The novel rotary energy-saving air conditioning unit provided by this utility model can achieve the purpose of energy saving and consumption reduction without changing the traditional air conditioning unit type.

[0050] In summary, the technical solution of this utility model solves the problem that traditional air conditioners have high energy consumption and their energy efficiency will decrease significantly during long-term operation. In spaces where temperature, humidity and cleanliness are required, the operating cost cannot be reduced when the air conditioner is used continuously. Attached Figure Description

[0051] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0052] Figure 1 This is a schematic diagram of the structure of this utility model;

[0053] Figure 2 This is a top view of the present invention;

[0054] Figure 3 This is a three-dimensional view of the primary preheating coil structure of this utility model;

[0055] Figure 4 This is a front view of the primary preheating coil structure of this utility model;

[0056] Figure 5 This is a side view of the primary preheating coil structure of this utility model;

[0057] Figure 6 This utility model Figure 5Enlarged view of part A;

[0058] Figure 7 This utility model Figure 5 Enlarged view of part B;

[0059] Figure 8 This is a top view of the primary preheating coil structure of this utility model.

[0060] In the diagram: 1. Unit casing; 2. Air inlet; 3. Primary filter; 4. Secondary filter; 5. Water outlet; 6. Primary preheating coil structure; 7. Secondary cooling / heating shared coil structure; 8. Tertiary recooling coil structure; 9. Quaternary reheating coil structure; 10. Dry steam humidifier; 11. Blower; 12. Air outlet; 13. Inspection door; 14. Water inlet; 15. Control cabinet; 16. Nozzle; 17. Spray bar; 18. Steam generator; 19. Vertical heat exchanger; 20. Support frame; 21. Inner frame; 22. Rotary support mechanism; 23. Bend-pipe rotation structure; 24. Drive unit; 25. Lower water inlet pipe; 26. Upper water outlet pipe; 27. Sealing structure; 28. Large-enclosed inclined groove condensate pan; 29. ​​Straight pipe rotary joint. Detailed Implementation

[0061] It should be noted that, where there is no conflict, the embodiments and features in the embodiments of this utility model can be combined with each other. The present utility model will now be described in detail with reference to the accompanying drawings and embodiments.

[0062] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The following description of at least one exemplary embodiment is merely illustrative and is in no way intended to limit this utility model or its application or use. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0063] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to the present invention. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0064] Unless otherwise specifically stated, the relative arrangement, numerical expressions, and values ​​of the components and steps described in these embodiments do not limit the scope of this invention. It should also be understood that, for ease of description, the dimensions of the various parts shown in the drawings are not drawn to actual scale. Techniques, methods, and devices known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the specification. In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters in the following figures denote similar items; therefore, once an item is defined in one figure, it need not be further discussed in subsequent figures.

[0065] In the description of this utility model, it should be understood that the orientation or positional relationship indicated by directional terms such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" is usually based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing this utility model and simplifying the description. Unless otherwise stated, these directional terms 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 on the scope of protection of this utility model. The directional terms "inner" and "outer" refer to the inner and outer contours relative to the outline of each component itself.

[0066] For ease of description, spatial relative terms such as "above," "over," "on the upper surface of," "above," etc., are used herein to describe the spatial positional relationship of a device or feature as shown in the figures to other devices or features. It should be understood that spatial relative terms are intended to encompass different orientations in use or operation besides the orientation of the device as described in the figures. For example, if the device in the figures is inverted, a device described as "above" or "above" other devices or structures would subsequently be positioned as "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below." The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein will be interpreted accordingly.

[0067] Furthermore, it should be noted that the use of terms such as "first" and "second" to define components is merely for the purpose of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be construed as limiting the scope of protection of this utility model.

[0068] likeFigures 1-2 As shown, this utility model provides a novel rotary energy-saving air conditioning unit, including a unit housing 1; an air inlet 2 is provided at the top front end of the unit housing 1, and an air outlet 12 is provided at the top rear end; multiple maintenance doors 13 are provided on the side of the unit housing 1; the unit housing 1 is internally equipped with a primary preheating coil structure 6, a secondary cooling / heating shared coil structure 7, a tertiary recooling coil structure 8, and a quaternary reheating coil structure 9. Structure 9 is a rotary heat exchange structure that can rotate automatically and control the heat exchange contact area; the front end of the primary preheating coil structure 6 is equipped with a primary filter 3 and a secondary filter 4; the rear end of the quadruple reheating coil structure 9 is equipped with a dry steam humidifier 10 and a blower 11; the rear of the unit casing 1 is equipped with a control cabinet 15, which is connected to the primary preheating coil structure 6, the secondary cold / heat shared coil structure 7, the tertiary recooling coil structure 8, the quadruple reheating coil structure 9, the primary filter 3, the secondary filter 4, and the blower 11.

[0069] like Figures 3-8 As shown, the first-stage preheating coil structure 6, the second-stage cold / heat shared coil structure 7, the third-stage recooling coil structure 8, and the fourth-stage reheating coil structure 9 have the same structure, all including: a vertical heat exchanger 19, a support frame 20, an inner frame 21, a rotating support mechanism 22, a bent-tube rotating structure 23, a drive device 24, a lower water inlet pipe 25, an upper water outlet pipe 26, and a straight pipe rotary joint 29; the support frame 20 is a steel structure support, formed by a wind baffle, and fixedly installed inside the unit shell 1; the vertical heat exchanger 19 is fixedly installed... Inside the inner frame 21; the upper and lower ends of the inner frame 21 are respectively connected to the rotating support mechanism 22 fixedly mounted on the upper and lower ends of the support frame 20; the lower water inlet pipe 25 and the upper water outlet pipe 26 are respectively connected to the lower end and the upper end of the vertical heat exchanger 19 through the bent pipe rotating joint 23 and the straight pipe rotating joint 29, providing the heat exchange medium water to the vertical heat exchanger 19; the drive device 24 is fixedly mounted on the support frame 20 and connected to the rotating support mechanism 22, driving the inner frame 21 to rotate through the rotating support mechanism 22.

[0070] like Figure 4 As shown, the inner frame 21 is equipped with a sealing structure 27 on the outside, which is used to seal between the inner frame 21 and the support frame 20, so as to ensure that the airflow can completely pass through the heat exchanger during the operation of the heat exchanger and realize heat exchange.

[0071] like Figure 3 , 5 As shown in Figure 8, the lower part of the support frame 20 is provided with a large-enclosed inclined groove condensate pan 28, which can completely and quickly drain the condensate generated by the heat exchanger to prevent bacterial growth.

[0072] The vertical heat exchanger 19 consists of coils, fins, and manifolds; the materials of the coils include, but are not limited to, copper tubes, stainless steel tubes, and carbon steel tubes; the materials of the fins include, but are not limited to, aluminum fins, stainless steel fins, and carbon steel fins; and the materials of the manifolds include, but are not limited to, copper manifolds, stainless steel manifolds, and carbon steel manifolds.

[0073] like Figures 1-2 As shown in Figure 5-7, the upper outlet pipe 26 and the lower inlet pipe 25 are respectively connected to the outlet pipe 5 and inlet pipe 14 at the upper and lower ends of the unit casing 1; the flange end of the upper outlet pipe 26 is connected to the straight pipe flange at one end of the straight pipe rotary joint 29; the straight pipe rotary joint 29 is fixed to the top of the support frame 20, and the other end of the copper pipe flange is connected to the water pipe flange at the outlet of the vertical heat exchanger 19 to discharge the heat exchange water in the vertical heat exchanger 19; the flange end of the lower inlet pipe 25 is connected to the bent pipe flange at one end of the bent pipe rotary joint 23; the bent pipe rotary joint 23 is fixed to the lower part of the support frame 20, and the other end is connected to the water pipe flange at the inlet of the vertical heat exchanger 19 through a flange to provide heat exchange water for the vertical heat exchanger 19.

[0074] The control cabinet 15 is equipped with an automatic control mechanism. By detecting the front-end air temperature of the primary preheating coil structure 6, the secondary cold / heat shared coil structure 7, the tertiary recooling coil structure 8, and the quaternary reheating coil structure 9, the vertical heat exchanger 19 is automatically controlled to rotate / return to center according to the set logic.

[0075] Both the primary filter 3 and the secondary filter 4 include mounting frames fixed inside the unit housing; the filters are assembled on the mounting frames using fasteners.

[0076] like Figures 1-2 As shown, the dry steam humidifier includes: a nozzle 16, a spray bar 17, a steam generating tank 18, and a fixing device; the steam generating tank 18 is mounted on the outside of the unit housing 1 through the fixing device; the spray bar 17 is mounted inside the unit housing 1 and is connected to the steam generating tank 18; the spray bar 17 is provided with a plurality of nozzles 16, which transport the steam generated by the steam generating tank 18 to the nozzles 16 through the spray bar 17 and spray it out.

[0077] The new rotary energy-saving air conditioning unit has the following operating modes:

[0078] S16, Winter Operation Mode: The primary preheating coil structure 6 and the secondary cold / heating shared coil structure 7 operate. The tertiary recooling coil structure 8 and the quaternary reheating coil structure 9 rotate 90 degrees to reduce air resistance, thereby reducing unit energy consumption. Cold air enters through the air inlet 2, is filtered by the primary filter 3 and the secondary filter 4, and then undergoes heat exchange by the primary preheating coil structure 6 and the secondary cold / heating shared coil structure 7. After humidification, it is sent out through the air outlet 12. In this mode, the secondary cold / heating shared coil structure 7 operates in heating mode.

[0079] S17. Summer Operating Mode: The two-stage cooling / heating shared coil structure 7, the three-stage recooling coil structure 8, and the four-stage reheating coil structure 9 are in operation. The first-stage preheating coil structure rotates 90 degrees to reduce air resistance, thereby reducing unit energy consumption. Hot air enters through air inlet 2, is filtered by the first-stage filter 3 and the second-stage filter 4, and then undergoes heat exchange through the two-stage cooling / heating shared coil structure 7, the three-stage recooling coil structure 8, and the four-stage reheating coil structure 9 before being delivered through air outlet 12. In this mode, the two-stage cooling / heating shared coil structure 7 is in cooling mode, the three-stage recooling coil structure 8 delivers dew point air for dehumidification, and the four-stage reheating coil structure 9 reheats the air to meet the supply air temperature requirements.

[0080] S18, Spring and Autumn Transition Season Operating Mode: During the transition season, the air intake conditions, namely temperature and humidity, are monitored according to different regions and operating conditions. The heat exchanger rotation is adjusted as needed to reduce air resistance, thereby reducing unit energy consumption. Hot air enters through air inlet 2, passes through primary filter 3 and secondary filter 4, and then passes through one or more of the following coil structures after heat exchange: primary preheating coil structure 6, secondary cooling / heating shared coil structure 7, tertiary recooling coil structure 8, and quaternary reheating coil structure 9. After humidification, the air is delivered through air outlet 12. In this mode, the secondary cooling / heating shared coil structure 7 can be in either heating or cooling mode as needed.

[0081] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model.

Claims

1. A novel rotary energy-saving air conditioning unit, comprising a unit casing (1); an air inlet (2) is provided at the top front end of the unit casing (1), and an air outlet (12) is provided at the top rear end; multiple maintenance doors (13) are provided on the side of the unit casing (1); characterized in that: The unit casing (1) is provided with a first-stage preheating coil structure (6), a second-stage cold / heat shared coil structure (7), a third-stage recooling coil structure (8), and a fourth-stage reheating coil structure (9). The first-stage preheating coil structure (6), the second-stage cold / heat shared coil structure (7), the third-stage recooling coil structure (8), and the fourth-stage reheating coil structure (9) are rotary heat exchange structures that can be automatically rotated to control the heat exchange contact area. The front end of the primary preheating coil structure (6) is provided with a primary filter (3) and a secondary filter (4). The rear end of the four-stage reheat coil structure (9) is equipped with a dry steam humidifier (10) and a blower (11). The unit casing (1) is equipped with a control cabinet (15) at the rear. The control cabinet (15) is connected to the first-stage preheating coil structure (6), the second-stage cold / heat shared coil structure (7), the third-stage recooling coil structure (8), the fourth-stage reheating coil structure (9), the first-stage filter (3), the second-stage filter (4), and the blower (11).

2. The novel rotary energy-saving air conditioning unit according to claim 1, characterized in that: The first-stage preheating coil structure (6), the second-stage cold / heat shared coil structure (7), the third-stage recooling coil structure (8) and the fourth-stage reheating coil structure (9) have the same structure, all including: a vertical heat exchanger (19), a support frame (20), an inner frame (21), a rotating support mechanism (22), a bent pipe rotating structure (23), a drive device (24), a lower water inlet pipe (25), an upper water outlet pipe (26) and a straight pipe rotating joint (29). The support frame (20) is a steel structure support, which is formed by windbreak plate fence and fixedly installed inside the unit shell (1); The vertical heat exchanger (19) is fixedly installed inside the inner frame (21); The upper and lower ends of the inner frame (21) are respectively connected to the rotating support mechanism (22) fixedly mounted on the upper and lower ends of the support frame (20); The lower inlet pipe (25) and the upper outlet pipe (26) are connected to the lower and upper ends of the vertical heat exchanger (19) respectively through the bent pipe rotary joint (23) and the straight pipe rotary joint (29) to provide the heat exchange medium water to the vertical heat exchanger (19); The drive device (24) is fixedly mounted on the support frame (20) and connected to the rotating support mechanism (22), which drives the inner frame (21) to rotate.

3. The novel rotary energy-saving air conditioning unit according to claim 2, characterized in that: The inner frame (21) is equipped with a sealing structure (27) on the outside for sealing between the inner frame (21) and the support frame (20), ensuring that the airflow can completely pass through the heat exchanger during operation and achieve heat exchange.

4. The novel rotary energy-saving air conditioning unit according to claim 2, characterized in that: The lower part of the support frame (20) is provided with a large-enclosed inclined groove condensate pan (28), which can completely and quickly drain the condensate generated by the heat exchanger to prevent bacterial growth.

5. The novel rotary energy-saving air conditioning unit according to claim 2, characterized in that: The vertical heat exchanger (19) consists of coils, fins, and manifolds; The materials used for the coils include, but are not limited to, copper tubes, stainless steel tubes, and carbon steel tubes; The materials of the fins include, but are not limited to, aluminum fins, stainless steel fins, and carbon steel fins; The materials of the manifold include, but are not limited to, copper manifolds, stainless steel manifolds, and carbon steel manifolds.

6. The novel rotary energy-saving air conditioning unit according to claim 2, characterized in that: The upper water outlet pipe (26) and the lower water inlet pipe (25) are respectively connected to the water outlet (5) and the water inlet (14) at the upper and lower ends of the unit casing (1); The flange end of the upper water outlet pipe (26) is connected to the straight pipe flange at one end of the straight pipe rotary joint (29); The straight pipe rotary joint (29) is fixed to the top of the support frame (20), and the other end copper pipe flange is connected to the water pipe flange set at the outlet of the vertical heat exchanger (19) to discharge the heat exchange water in the vertical heat exchanger (19). The flange end of the lower water inlet pipe (25) is connected to the flange of one end of the bend swivel joint (23). The bent pipe rotary joint (23) is fixed to the lower part of the support frame (20), and the other end is connected to the water pipe flange set at the water inlet of the vertical heat exchanger (19) through a flange, so as to provide heat exchange water for the vertical heat exchanger (19).

7. The novel rotary energy-saving air conditioning unit according to claim 2, characterized in that: The control cabinet (15) is equipped with an automatic control mechanism. By detecting the air temperature at the front end of the first-stage preheating coil structure (6), the second-stage cold / heat shared coil structure (7), the third-stage recooling coil structure (8), and the fourth-stage reheating coil structure (9), the vertical heat exchanger (19) is automatically controlled to rotate / return to center according to the set logic.

8. The novel rotary energy-saving air conditioning unit according to claim 1, characterized in that: Both the primary filter (3) and the secondary filter (4) include mounting frames fixed inside the unit housing; The filter is mounted on the mounting frame using fasteners.

9. The novel rotary energy-saving air conditioning unit according to claim 1, characterized in that: The dry steam humidifier (10) includes: a nozzle (16), a spray bar (17), a steam generator (18), and a fixing device; The steam generator (18) is mounted on the outside of the unit casing (1) by a fixing device; The spray bar (17) is installed inside the unit housing (1) and connected to the steam generator (18); The spray bar (17) is equipped with several nozzles (16) to deliver the steam generated by the steam generator (18) to the nozzles (16) and spray it out.

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