Air conditioner

Abstract

The utility model discloses an air conditioner, and relates to the technical field of air conditioners, the air conditioner comprises a casing, a fresh air module and two groups of transmission components, the casing is internally provided with a main wind wheel and a main wind wheel driving motor; the fresh air module is installed on the machine shell and comprises a fresh air wheel and a fresh air wheel driving motor. Each transmission assembly comprises a driving wheel and a driven wheel which are in magnetic coupling transmission, one transmission assembly is used for enabling the main wind wheel to be in transmission connection with the main wind wheel driving motor, and the other transmission assembly is used for enabling the fresh air wheel to be in transmission connection with the fresh air wheel driving motor; according to the technical scheme, the overall energy efficiency of the air conditioner can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to air conditioner technical field, especially air conditioner. BACKGROUND

[0002] For the air conditioner with the function of new air, the main air wheel and the new air wheel are usually driven by the corresponding motor to realize the circulation and adjustment of the indoor air conditioner, however, the existing transmission mode usually adopts mechanical connection, such as belt transmission or gear transmission, etc., these transmission modes will produce larger vibration and friction in the running process, thereby causing the generation of noise and energy loss. SUMMARY

[0003] The main purpose of the utility model is to provide an air conditioner, which aims to improve the overall energy efficiency of the air conditioner.

[0004] To achieve the above-mentioned purpose, the air conditioner provided by the utility model comprises:

[0005] A shell is provided with a main air wheel and a main air wheel driving motor inside;

[0006] A new air module is installed in the shell, and the new air module comprises a new air wheel and a new air wheel driving motor; and

[0007] Two groups of transmission assemblies, each group of transmission assemblies comprises a driving wheel and a driven wheel coupled by magnetic force, one of the two transmission assemblies is used to drive the main air wheel and the main air wheel driving motor to be connected, and the other is used to drive the new air wheel and the new air wheel driving motor to be connected.

[0008] In an embodiment, the driven wheel is arranged on the side of the driving wheel, and a coupling gap is formed between the two surfaces of the driving wheel and the driven wheel.

[0009] In an embodiment, the driven wheel is arranged on the side of the driving wheel, and a coupling gap is formed between the two surfaces of the driving wheel and the driven wheel.

[0010] In an embodiment, the driving wheel is provided with a slot for embedding the driven wheel, and a coupling gap is formed between the two surfaces of the driving wheel and the driven wheel.

[0011] In an embodiment, the axes of the new air wheel and the main air wheel coincide;

[0012] Or, the axes of the new air wheel and the main air wheel are arranged staggered.

[0013] In an embodiment, the driving wheel and the driven wheel are both magnetic wheels, and the coupling gap L formed between the driving wheel and the driven wheel satisfies: 0.1mm≤L≤2mm.

[0014] In an embodiment, the diameter of the driven wheel is smaller than the diameter of the driving wheel.

[0015] One of the two driven wheels is connected to the main wind wheel, and the other is connected to the fresh air wheel.

[0016] In an embodiment, the main wind wheel driving motor is connected to the side of the main wind wheel away from the fresh air wheel.

[0017] Alternatively, the main wind wheel driving motor is located between the main wind wheel and the fresh air wheel.

[0018] In an embodiment, the fresh air module further comprises a fresh air shell, and the fresh air wheel is arranged in the fresh air shell spaced apart from the main wind wheel driving motor.

[0019] In an embodiment, the driving wheel is located outside the fresh air shell and between the main wind wheel driving motor and the main wind wheel.

[0020] In the technical scheme of the utility model, the main wind wheel driving motor is connected to the main wind wheel through a set of transmission assemblies, and then the power of the main wind wheel driving motor is transmitted through the magnetic field force between the driving wheel and the driven wheel to drive the main wind wheel to rotate. Similarly, the fresh air wheel driving motor is connected to the fresh air wheel through a set of transmission assemblies, and then the power of the fresh air wheel driving motor is transmitted through the magnetic field force between the driving wheel and the driven wheel to drive the fresh air wheel to rotate. Compared with the traditional mechanical transmission, since the driving wheel and the driven wheel transmit power through magnetic coupling, the driving wheel and the driven wheel do not need to be in direct contact, effectively avoiding friction between the driving wheel and the driven wheel during operation, reducing noise and energy loss, thereby improving the overall energy efficiency of the air conditioner, and also ensuring the service life and high-precision transmission of the transmission assemblies to a certain extent.

[0021] Moreover, one of the two transmission assemblies is used to drive connect the main wind wheel and the main wind wheel driving motor, and the other is used to drive connect the fresh air wheel and the fresh air wheel driving motor, that is, the main wind wheel and the fresh air wheel respectively realize power transmission through the corresponding transmission assemblies and driving motors, which helps to realize independent control of the main wind wheel and the fresh air wheel, improves the use flexibility of the air conditioner, and facilitates to meet the use requirements of users. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained from the structures shown in these drawings without creative labor.

[0023] Figure 1 Structure diagram of one embodiment of the air conditioner provided by the utility model;

[0024] Figure 2 Structure diagram of one embodiment of the transmission assembly;

[0025] Figure 3 Structure diagram of another embodiment of the transmission assembly;

[0026] Figure 4 Structure diagram of still another embodiment of the transmission assembly.

[0027] Explanation of reference numerals:

[0028] 11, main wind wheel; 12, main wind wheel driving motor;

[0029] 21, new wind wheel; 22, new wind wheel driving motor; 23, new wind shell; 231, new wind air port;

[0030] 30, transmission assembly; 31, driving wheel; 32, driven wheel; 33, coupling gap; 34, embedding groove.

[0031] The realization, functional features and advantages of the utility model will be further described by combining with embodiments and referring to the drawings. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the utility model will be clearly and completely described below by combining with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0033] It should be noted that if the embodiments of the utility model involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement condition, etc. between the components in a certain specific posture, and if the specific posture changes, the directional indications also change accordingly.

[0034] In addition, if the description of "first", "second" and the like is involved in the embodiments of the utility model, the description of "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the same or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included at least one of the features. In addition, if "and / or" or "and / or" appears throughout the text, it means that the three parallel schemes are included, for example, "A and / or B" includes A scheme, or B scheme, or A and B simultaneously satisfy the scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of the ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, also not within the protection scope required by the utility model.

[0035] For the air conditioner with fresh air function, the main fan and the fresh air fan are usually driven by corresponding motors to realize the circulation and adjustment of the indoor air conditioner, however, the existing transmission mode often adopts mechanical connection, such as belt transmission or gear transmission, etc. These transmission modes will produce larger vibration and friction in the running process, thereby causing noise generation and energy loss.

[0036] In order to solve the above technical problems, the utility model provides an air conditioner.

[0037] Please refer to Figures 1 to 4 In an embodiment of the utility model, the air conditioner comprises a shell, a fresh air module and two sets of transmission assemblies 30, the shell is provided with a main fan 11 and a main fan drive motor 12; the fresh air module is installed on the shell, the fresh air module comprises a fresh air fan 21 and a fresh air fan drive motor 22; each set of transmission assembly 30 comprises a driving wheel 31 and a driven wheel 32 of magnetic coupling transmission, one of the two transmission assemblies 30 is used to drive connection between the main fan 11 and the main fan drive motor 12, and the other is used to drive connection between the fresh air fan 21 and the fresh air fan drive motor 22, so as to improve the overall energy efficiency of the air conditioner.

[0038] The utility model discloses a technical scheme, main wind wheel drive motor 12 is connected main wind wheel 11 through a set of transmission assembly 30, and further, the power of main wind wheel drive motor 12 is transmitted through the magnetic field action force between driving wheel 31 and driven wheel 32, and driving main wind wheel 11 rotates, similarly, fresh air wheel drive motor 22 is connected fresh air wheel 21 through a set of transmission assembly 30, and further, the power of fresh air wheel drive motor 22 is transmitted through the magnetic field action force between driving wheel 31 and driven wheel 32, and driving fresh air wheel 21 rotates, compared with traditional mechanical transmission, because driving wheel 31 and driven wheel 32 transmit power through magnetic force coupling, driving wheel 31 and driven wheel 32 do not need direct contact, effectively avoid the friction of driving wheel 31 and driven wheel 32 in the operation process, reduce noise and energy loss, thereby improve the overall energy efficiency of air conditioner, can also guarantee the service life and high-precision transmission of transmission assembly 30 to a certain extent.

[0039] And, because one of two transmission assemblies 30 is used to make main wind wheel 11 and main wind wheel drive motor 12 transmission connection, another one is used to make fresh air wheel 21 and fresh air wheel drive motor 22 transmission connection, that is, main wind wheel 11 and fresh air wheel 21 respectively realize the transmission of power through corresponding transmission assembly 30 and drive motor, help to realize the independent control of main wind wheel 11 and fresh air wheel 21, improve the use flexibility of air conditioner, conveniently satisfy the use demand of user.

[0040] It needs to be explained that the air conditioner can be configured as the indoor unit of split type air conditioner, which can be wall-mounted indoor unit or vertical indoor unit; the air conditioner can also be configured as whole type air conditioner.

[0041] Driving wheel 31 and driven wheel 32 transmit power through magnetic force coupling, it can be understood that driving wheel 31 and driven wheel 32 are all provided with magnetic structure, for example, at least including multiple different permanent magnets of magnetic pole, so as to make driving wheel 31 and driven wheel 32 complete the transmission of torque and power by using the interaction force between magnetic poles.

[0042] Specifically, the air conditioner includes a shell, and the shell at least includes a bottom plate and a face frame. The bottom plate can be used to install the main wind wheel 11 and the fresh air module, so that the air conditioner has the main wind wheel 11 and the fresh air wheel 21. When the main wind wheel 11 rotates, it can drive the airflow to enter the air conditioner. After the airflow passes through the heat exchange process, it is sent into the room to achieve air conditioning in the room. The fresh air shell 23 of the fresh air module can be connected with the shell to complete the assembly of the fresh air module in the air conditioner, ensuring that the air conditioner has a fresh air function. The fresh air module is provided with a fresh air duct and a fresh air wheel 21 arranged in the fresh air duct. The fresh air duct is connected with the outdoor through a fresh air pipe and has a fresh air outlet 231 connected with the indoor. When the fresh air wheel 21 rotates, it can drive the outdoor air to enter the fresh air duct and be sent into the room through the fresh air outlet 231, achieving air renewal in the room and improving the freshness of the indoor air.

[0043] Referring to Figure 1 In the embodiment of the utility model, the driven wheel 32 is arranged on the circumferential side of the driving wheel 31, and the coupling gap 33 is formed between the two surfaces of the driving wheel 31 and the driven wheel 32. It can be understood that, since the driven wheel 32 is arranged on the circumferential side of the driving wheel 31, the two surfaces of the driving wheel 31 and the driven wheel 32 are the outer circumferential surface of the driving wheel 31 and the outer circumferential surface of the driven wheel 32 respectively. In order to avoid wear and noise caused by mechanical friction between the driving wheel 31 and the driven wheel 32, a certain coupling gap 33 is left between the outer circumferential surface of the driving wheel 31 and the outer circumferential surface of the driven wheel 32 on the basis of ensuring the transmission effect between the driving wheel 31 and the driven wheel 32.

[0044] When the main wind wheel driving motor 12 is drivenly connected with the main wind wheel 11 through the transmission assembly 30, the driving wheel 31 is sleeved on the driving shaft of the main wind wheel driving motor 12, and the driven wheel 32 is connected with the main wind wheel 11 through a rotating shaft. The driving wheel 31 is arranged above the driven wheel 32, or the driving wheel 31 is arranged below the driven wheel 32, or the driving wheel 31 is arranged on the rear side of the driven wheel 32. Then, the power of the main wind wheel driving motor 12 is transmitted to the main wind wheel 11 by the magnetic pole interaction force (attractive force or repulsive force) between the driving wheel 31 and the driven wheel 32. The main wind wheel 11 can be rotated to drive the airflow into the air conditioner, and the air conditioner can be kept low noise and low wear during operation, and has high transmission efficiency.

[0045] When the fresh air wheel driving motor 22 is drivenly connected with the fresh air wheel 21 through the transmission assembly 30, the driving wheel 31 is sleeved on the driving shaft of the fresh air wheel driving motor 22, and the driven wheel 32 is connected with the fresh air wheel 21 through a rotating shaft. The driving wheel 31 is arranged above the driven wheel 32, or the driving wheel 31 is arranged below the driven wheel 32, or the driving wheel 31 is arranged on the rear side of the driven wheel 32. Then, the power of the fresh air wheel driving motor 22 is transmitted to the fresh air wheel 21 by the magnetic pole interaction force (attractive force or repulsive force) between the driving wheel 31 and the driven wheel 32. The fresh air wheel 21 can be rotated to drive the airflow into the air conditioner, and the air conditioner can be kept low noise and low wear during operation, and has high transmission efficiency.

[0046] Optionally, in the embodiment of the utility model, the driven wheel 32 is equipped with the end side of the driving wheel 31, the two surfaces of the driving wheel 31 and the driven wheel 32 are formed with the coupling gap 33, it can be understood that the driven wheel 32 is equipped with the end side of the driving wheel 31, that is, the driven wheel 32 is arranged in the axis extension direction of the driving wheel 31, at this time, the two surfaces of the driving wheel 31 and the driven wheel 32 coupled are the end face of the driving wheel 31 and the end face of the driven wheel 32 respectively. Figure 3 The axis of the driving wheel 31 and the driven wheel 32 is coincidently arranged, or as shown in the figure, the axis of the driving wheel 31 and the driven wheel 32 is staggered arrangement, which is not limited herein. In order to avoid the wear and noise between the driving wheel 31 and the driven wheel 32 due to mechanical friction, on the basis of guaranteeing the transmission effect between the driving wheel 31 and the driven wheel 32, a certain coupling gap 33 is left between the end face of the driving wheel 31 and the end face of the driven wheel 32.

[0047] When the main wind wheel driving motor 12 is driven connected with the main wind wheel 11 through the transmission assembly 30, the driving wheel 31 is connected to the free end of the driving shaft of the main wind wheel driving motor 12, the driven wheel 32 is connected with the main wind wheel 11 through a rotating shaft, or the driven wheel 32 is embedded in the end of the main wind wheel 11 facing the driving wheel 31, and then the magnetic pole interaction force (attractive force or repulsive force) between the driving wheel 31 and the driven wheel 32 is used to transmit the power of the main wind wheel driving motor 12 to the main wind wheel 11, which can not only realize the rotation of the main wind wheel 11 to drive the airflow into the air conditioner, but also can keep low noise and low wear during the operation of the air conditioner, and has high transmission efficiency.

[0048] When the fresh air wheel driving motor 22 is driven connected with the fresh air wheel 21 through the transmission assembly 30, the driving wheel 31 is connected to the free end of the driving shaft of the fresh air wheel driving motor 22, the driven wheel 32 is connected with the fresh air wheel 21 through a rotating shaft, or the driven wheel 32 is embedded in the end of the fresh air wheel 21 facing the driving wheel 31, and then the magnetic pole interaction force (attractive force or repulsive force) between the driving wheel 31 and the driven wheel 32 is used to transmit the power of the fresh air wheel driving motor 22 to the fresh air wheel 21, which can not only realize the rotation of the fresh air wheel 21 to drive the airflow into the air conditioner, but also can keep low noise and low wear during the operation of the air conditioner, and has high transmission efficiency.

[0049] Optionally, in the embodiment of the utility model, the driving wheel 31 is equipped with the embedding groove 34 for the driven wheel 32, the two surfaces of the driving wheel 31 and the driven wheel 32 are formed with the coupling gap 33, it can be understood that the driven wheel 32 is equipped in the embedding groove 34 of the driving wheel 31, at this time, the two surfaces of the driving wheel 31 and the driven wheel 32 coupled are the inner peripheral surface of the driving wheel 31 and the outer peripheral surface of the driven wheel 32 respectively. Figure 4As shown, the axes of the driving wheel 31 and the driven wheel 32 are arranged staggeredly, which is not limited herein. In order to avoid the abrasion and noise caused by mechanical friction between the driving wheel 31 and the driven wheel 32, a certain coupling gap 33 is left between the inner periphery of the driving wheel 31 and the outer periphery of the driven wheel 32 on the basis of ensuring the transmission effect between the driving wheel 31 and the driven wheel 32.

[0050] When the main wind wheel driving motor 12 is drivingly connected with the main wind wheel 11 through the transmission assembly 30, the driving wheel 31 is connected to the free end of the driving shaft of the main wind wheel driving motor 12, and the driven wheel 32 is connected with the main wind wheel 11 through a rotating shaft. Then, the power of the main wind wheel driving motor 12 is transmitted to the main wind wheel 11 by the magnetic pole interaction force (attractive force or repulsive force) between the driving wheel 31 and the driven wheel 32, which can not only realize the rotation of the main wind wheel 11 to drive the airflow into the air conditioner, but also can keep low noise and low abrasion during the operation of the air conditioner, and has high transmission efficiency.

[0051] When the fresh air wheel driving motor 22 is drivingly connected with the fresh air wheel 21 through the transmission assembly 30, the driving wheel 31 is connected to the free end of the driving shaft of the fresh air wheel driving motor 22, and the driven wheel 32 is connected with the fresh air wheel 21 through a rotating shaft. Then, the power of the fresh air wheel driving motor 22 is transmitted to the fresh air wheel 21 by the magnetic pole interaction force (attractive force or repulsive force) between the driving wheel 31 and the driven wheel 32, which can not only realize the rotation of the fresh air wheel 21 to drive the airflow into the air conditioner, but also can keep low noise and low abrasion during the operation of the air conditioner, and has high transmission efficiency.

[0052] Optionally, in an embodiment of the present application, the diameter of the driven wheel 32 is smaller than that of the driving wheel 31, and one of the two driven wheels 32 is connected to the main wind wheel 11 and the other is connected to the fresh air wheel 21. It can be understood that, by limiting the diameter of the driven wheel 32 to be smaller than that of the driving wheel 31, the differential transmission between the driving wheel 31 and the driven wheel 32 can be realized under the setting of different positional relationships between the driving wheel 31 and the driven wheel 32, which is helpful to reduce the power consumption of the main wind wheel driving motor 12 or the fresh air wheel driving motor 22. In other embodiments, the diameter of the driving wheel 31 is smaller than or equal to that of the driven wheel 32.

[0053] Optionally, in the embodiment of the utility model, the axis of the fresh air wheel 21 and the main air wheel 11 coincides, that is, according to the different position relationship between the driving wheel 31 and the driven wheel 32, the position of the fresh air wheel 21 and the main air wheel 11 is reasonably arranged, and when the axis of the fresh air wheel 21 and the axis of the main air wheel 11 coincide, the axis of the driving wheel 31 and the driven wheel 32 can also coincide, including but not limited to the magnetic coupling transmission of the end face of the driving wheel 31 and the end face of the driven wheel 32, the inner peripheral surface of the driving wheel 31 and the outer peripheral surface of the driven wheel 32 are coupled, of course, in other embodiments, the axis of the driving wheel 31 and the driven wheel 32 can be staggered.

[0054] Optionally, in the embodiment of the utility model, the axis of the fresh air wheel 21 and the main air wheel 11 is staggered, that is, according to the different position relationship between the driving wheel 31 and the driven wheel 32, the position of the fresh air wheel 21 and the main air wheel 11 is reasonably arranged, and when the axis of the fresh air wheel 21 and the axis of the main air wheel 11 are staggered, the axis of the driving wheel 31 and the driven wheel 32 is staggered, including but not limited to, as shown in the figure, the outer peripheral surface of the driving wheel 31 and the outer peripheral surface of the driven wheel 32 are coupled, of course, in other embodiments, the axis of the driving wheel 31 and the driven wheel 32 can coincide, for example, the magnetic coupling transmission of the end face of the driving wheel 31 and the end face of the driven wheel 32. Figures 1 to 2

[0055] Optionally, in the embodiment of the utility model, the driving wheel 31 and the driven wheel 32 are both magnetic wheels, and the coupling gap 33L formed between the driving wheel 31 and the driven wheel 32 satisfies: 0.1mm≤L≤2mm, so that when the position relationship of the driving wheel 31 and the driven wheel 32 is designed, the coupling gap 33 between the driving wheel 31 and the driven wheel 32 is reasonably designed, the reliable transmission of torque and power between the driving wheel 31 and the driven wheel 32 is ensured, at the same time, the noise and wear caused by mechanical contact between the driving wheel 31 and the driven wheel 32 is effectively reduced, the service life of the driving wheel 31 and the driven wheel 32 is improved, and the overall energy efficiency of the air conditioner is improved, and the maintenance cost is reduced.

[0056] Wherein, the specific value of the coupling gap 33 between the driving wheel 31 and the driven wheel 32 includes but is not limited to 0.1mm, 0.2mm, 0.4mm, 0.5mm, 0.6mm, 0.8mm, 0.9mm, 1mm, 1.1mm, 1.2mm, 1.3mm, 1.4mm, 1.5mm, 1.6mm, 1.8mm, 1.9mm, 2mm. In other embodiments, the coupling gap 33 between the driving wheel 31 and the driven wheel 32 can be greater than 2mm or less than 0.1mm under the condition of meeting the noise reduction demand and transmission demand.

[0057] ​Optionally, in an embodiment of the utility model, as shown in Figure 1 As such, according to the different position relations between the driving wheel 31 and the driven wheel 32, the installation space between the main fan wheel 11 and the fresh air wheel 21 is reasonably utilized, the distance between the fresh air wheel 21 and the main fan wheel 11 is conveniently reduced, and the width of the air conditioner in the axial direction of the main fan wheel 11 is shortened.

[0058] Optionally, in another embodiment of the utility model, the main fan wheel driving motor 12 is located between the main fan wheel 11 and the fresh air wheel 21, at this time, the main fan wheel driving motor 12 and the fresh air wheel driving motor 22 can be arranged in an up-down manner, and as such, according to the different position relations between the driving wheel 31 and the driven wheel 32, the installation space between the main fan wheel 11 and the fresh air wheel 21 is reasonably utilized, the compactness level of the main fan wheel 11, the fresh air wheel 21 and the transmission assembly 30 is improved, and the volume of the air conditioner is reliably reduced.

[0059] Optionally, in still another embodiment of the utility model, the fresh air module further comprises a fresh air shell 23, the fresh air wheel 21 and the main fan wheel driving motor 12 are arranged in the fresh air shell 23 in a spaced manner, as such, the chamber in the fresh air shell 23 is fully utilized to install the fresh air wheel 21 and the main fan wheel driving motor 12, the main fan wheel 11 can be arranged as close to the fresh air shell 23 as possible, the compactness level of the main fan wheel 11, the fresh air wheel 21 and the transmission assembly 30 is improved, and the volume of the air conditioner is reliably reduced.

[0060] Further, the driving shaft of the main fan wheel driving motor 12 extends out of the fresh air shell 23 and is fixedly connected with the driving wheel 31, and the driven wheel 32 can be arranged on the side of the driving wheel 31 away from the main fan wheel driving motor 12 or on the circumferential side of the driving wheel 31.

[0061] Optionally, in the embodiment of the utility model, the fresh air wheel drive motor 22 is located between the main air wheel 11 and the fresh air wheel 21, or the fresh air wheel drive motor 22 can be at least partially projected on the main air wheel 11, thereby effectively improving the compactness level of the main air wheel 11, the fresh air wheel 21 and the transmission assembly 30, and reducing the volume of the air conditioner.

[0062] The above merely illustrates the embodiments of the utility model, and does not limit the patent scope of the utility model, and any equivalent structural transformation, direct / indirect application in other related technical fields under the technical concept of the utility model, and the contents of the utility model specification and drawings are included in the patent protection scope of the utility model.

Claims

1. An air conditioner characterized by comprising: include: The housing contains a main impeller and a main impeller drive motor. A fresh air module is installed in the housing, and the fresh air module includes a fresh air wheel and a fresh air wheel drive motor; as well as Two sets of transmission components, each set of transmission components including a driving wheel and a driven wheel with magnetic coupling transmission, one of the two transmission components is used to drive the main impeller and the main impeller drive motor, and the other is used to drive the new impeller and the new impeller drive motor.

2. The air conditioner of claim 1, wherein The driven wheel is located on the periphery of the driving wheel, and a coupling gap is formed between the two surfaces of the driving wheel and the driven wheel that are coupled together.

3. The air conditioner of claim 1, wherein The driven wheel is located on the end side of the driving wheel, and a coupling gap is formed between the two surfaces of the driving wheel and the driven wheel that are coupled together.

4. The air conditioner of claim 1, wherein The driving wheel is provided with a groove for the driven wheel to be inserted, and a coupling gap is formed between the two surfaces of the driving wheel and the driven wheel that are coupled together.

5. The air conditioner of claim 1, wherein The axes of the new wind turbine and the main wind turbine coincide; Alternatively, the axes of the new wind turbine and the main wind turbine may be staggered.

6. The air conditioner according to any one of claims 1 to 4, wherein Both the driving wheel and the driven wheel are magnetic wheels, and the coupling gap L formed between the driving wheel and the driven wheel satisfies: 0.1mm≤L≤2mm.

7. The air conditioner according to any one of claims 1 to 5, wherein The diameter of the driven wheel is smaller than the diameter of the driving wheel; One of the two driven wheels is connected to the main wind turbine, and the other is connected to the new wind turbine.

8. The air conditioner of claim 1, wherein The main wind turbine drive motor is connected to the side of the main wind turbine away from the new wind turbine; Alternatively, the main wind turbine drive motor may be located between the main wind turbine and the new wind turbine.

9. The air conditioner of claim 1, wherein The fresh air module also includes a fresh air housing, and the fresh air impeller and the main air impeller drive motor are arranged alternately inside the fresh air housing.

10. The air conditioner of claim 9, wherein The drive wheel is located outside the fresh air casing and between the main wind turbine drive motor and the main wind turbine.

Images