Air conditioner

Abstract

The present application relates to the technical field of air conditioning apparatuses. Disclosed is an air conditioner. The air conditioner comprises a housing (100), a fresh air module (200) and a driving electric motor (300), wherein a main fan wheel (120) is provided in the housing (100); the fresh air module (200) is mounted in the housing (100) and is located at an end of the main fan wheel (120), and the fresh air module (200) is provided with a fresh air fan wheel (210); the driving electric motor (300) is arranged in the housing (100), and is located between the main fan wheel (120) and the fresh air fan wheel (210); and the driving electric motor (300) is drivingly connected to the main fan wheel (120) and the fresh air fan wheel (210), and is configured to control the operating states of the main fan wheel (120) and the fresh air fan wheel (210).

Description

air conditioner

[0001] Related applications

[0002] This application claims priority to Chinese patent applications filed on July 12, 2024, with application number 202410940372.6 and application number 202421658912.3, the entire contents of which are incorporated herein by reference. Technical Field

[0003] This application relates to the field of air conditioning equipment technology, and in particular to an air conditioner. Background Technology

[0004] With the integration and improvement of air conditioner functions, air conditioners with fresh air functions are becoming more and more common. In related technologies, for air conditioners with fresh air functions, the fresh air impeller that introduces outdoor air into the room is usually driven by a separate motor. However, this not only increases the number of parts, but also increases the size and weight of the whole unit. Furthermore, the operation of multiple motors also increases the operating noise of the air conditioner. Summary of the Invention

[0005] The main objective of this application is to propose an air conditioner that reduces the weight and volume of the air conditioner and lowers noise by controlling the operation of the fresh air impeller and the main air impeller with a single drive motor.

[0006] To achieve the above objectives, the air conditioner proposed in this application includes:

[0007] The casing contains the main impeller.

[0008] A fresh air module, installed in the housing, is located at the end of the main impeller and includes a fresh air impeller; and

[0009] A drive motor is located between the main impeller and the fresh air impeller, and drives the main impeller and the fresh air impeller to control the working state of the main impeller and the fresh air impeller.

[0010] In one embodiment, the output shaft of the drive motor is driven to one of the fresh air impeller and the main air impeller, and the drive motor is also driven to the other of the main air impeller and the fresh air impeller through a transmission structure.

[0011] In one embodiment, the drive motor has a first output shaft and a second output shaft at opposite ends, the second output shaft is driven to the main impeller, and the first output shaft is connected to the fresh air impeller through the transmission structure.

[0012] In one embodiment, the transmission structure includes a transmission shaft parallel to the first output shaft, the first output shaft and the transmission shaft being connected by a transmission component, and the transmission shaft being connected to the fresh air impeller.

[0013] In one embodiment, the first output shaft is fitted with a driving wheel, and the transmission shaft is fitted with a driven wheel. The driving wheel and the driven wheel are connected by a transmission component.

[0014] In one embodiment, the transmission structure further includes a clutch disposed on the first output shaft or the transmission shaft, the clutch being used to control the transmission relationship between the first output shaft and the fresh air impeller.

[0015] In one embodiment, the clutch includes an electromagnetic component disposed on the drive shaft and a magnetic component disposed on the driven wheel. The magnetic component is connected to an elastic component. When the electromagnetic component is energized, the electromagnetic component and the magnetic component attract each other magnetically. When the electromagnetic component is de-energized, the elastic component can separate the magnetic component and the electromagnetic component.

[0016] In one embodiment, the transmission element is configured as a belt or a gear set.

[0017] In one embodiment, the drive shaft passes through the axis of the fresh air impeller and can drive the fresh air impeller to rotate, and the second output shaft passes through the axis of the main impeller and can drive the main impeller to rotate.

[0018] In one embodiment, the axis of the fresh air impeller is off-axis from that of the main impeller.

[0019] In one embodiment, the fresh air module is provided with a mounting frame, the transmission structure is located within the mounting frame, and the drive motor is connected to the fresh air module.

[0020] In one embodiment, the air conditioner is configured as a modular air conditioner or a split air conditioner, or the air conditioner is configured as the indoor unit of a split air conditioner. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of this application 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 only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0022] Figure 1 is a structural schematic diagram of an embodiment of the air conditioner provided in this application;

[0023] Figure 2 is a schematic diagram of the air conditioner in Figure 1 with the casing removed;

[0024] Figure 3 is a schematic diagram of the structure of the fresh air module, drive motor and main fan wheel in Figure 1;

[0025] Figure 4 is a schematic diagram of the structure of the main impeller, drive motor and fresh air impeller in Figure 1;

[0026] Figure 5 is a schematic diagram of the structure of the drive motor, main impeller and transmission structure in Figure 1;

[0027] Figure 6 is a schematic diagram of the structure of a fresh air module in the prior art;

[0028] Figure 7 is a schematic diagram of the structure of the heat exchanger, main impeller and main impeller motor in the prior art.

[0029] Explanation of icon numbers:

[0030] 100. Housing; 110. Heat exchanger; 120. Main impeller; 200. Fresh air module; 210. Fresh air impeller; 220. Fresh air vent; 230. Mounting frame; 300. Drive motor; 310. First output shaft; 311. Drive wheel; 320. Second output shaft; 410. Clutch; 420. Transmission shaft; 421. Driven wheel; 430. Belt;

[0031] 510. Fresh air impeller motor; 520. Main impeller motor.

[0032] The realization of the purpose, functional features and advantages of this application will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Embodiments of the present invention

[0033] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of the embodiments. Based on the embodiments of this application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this application.

[0034] It should be noted that if the embodiments of this application involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a specific posture. If the specific posture changes, the directional indicators will also change accordingly.

[0035] Furthermore, if the embodiments of this application involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the use of "and / or" or "and / or" throughout the text includes three parallel solutions. For example, "A and / or B" includes solution A, solution B, or a solution that simultaneously satisfies A and B. Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed in this application.

[0036] In the prior art, referring to Figures 6 and 7, for air conditioners with fresh air function, a heat exchanger 110 and a fresh air module 200 are usually installed inside the casing. The heat exchanger 110 forms an air duct, in which a main impeller 120 is installed. The main impeller 120 rotates under the drive of the main impeller motor 520, thereby discharging the heat on the heat exchanger 110 with the airflow from the air outlet of the air duct, achieving the effect of indoor heat exchange. In addition, the fresh air module 200 includes a fresh air housing, a fresh air impeller 210, and a fresh air impeller motor 510. A fresh air duct is formed inside the fresh air housing. The fresh air impeller 210 is installed in the fresh air duct and rotates under the drive of the fresh air impeller motor 510, thereby delivering outdoor fresh air to the room through the fresh air outlet 220 of the fresh air duct, realizing the fresh air function. The main fan 120 and main fan motor 520 are connected, and the fresh air fan 210 and fresh air fan motor 510 are connected, enabling independent control of the main fan 120 and fresh air fan 210. However, the two motors make the air conditioner heavier and larger. The independent operation of the two motors inevitably results in moments when they run simultaneously. At this time, the operating noise of the two motors is relatively loud, which brings a poor user experience.

[0037] This application proposes an air conditioner.

[0038] Please refer to Figures 1 to 3. In one embodiment of this application, the air conditioner includes:

[0039] The casing 100 contains a main impeller 120.

[0040] A fresh air module 200 is installed on the housing 100. The fresh air module 200 is located at the end of the main impeller 120 and includes a fresh air impeller 210; and

[0041] The drive motor 300 is located between the main impeller 120 and the fresh air impeller 210, and drives the main impeller 120 and the fresh air impeller 210 to control the working status of the main impeller 120 and the fresh air impeller 210.

[0042] The technical solution of this application uses a drive motor 300 to drive the main fan 120 and the fresh air fan 210, thereby controlling the rotation of the main fan 120 and the fresh air fan 210. When rotation of the main fan 120 and the fresh air fan 210 is required, the drive motor 300 operates, thereby driving the main fan 120 and the fresh air fan 210 to rotate. When rotation of the main fan 120 and the fresh air fan 210 is not required, the drive motor 300 stops operating, causing the main fan 120 and the fresh air fan 210 to stop rotating. Furthermore, the drive motor 300 is located between the main fan 120 and the fresh air fan 210, utilizing the existing space between the main fan 120 and the fresh air fan 210, reducing the need to place the drive motor 300 in that location and thus reducing the increase in the size of the air conditioner. In this way, by setting a drive motor 300, the operating status of the main fan wheel 120 and the fresh air fan wheel 210 can be controlled, realizing the air output control of the air conditioner equipped with fresh air function, reducing the weight and volume of the air conditioner, and also reducing the noise generated by the air conditioner.

[0043] It can be understood that a main air duct is formed within the casing 110, and a heat exchanger 110 is configured upstream or downstream of the main fan 120. When the air conditioner is in cooling mode, the heat exchanger 110 acts as an evaporator to generate cold air; when the air conditioner is in heating mode, the heat exchanger 110 acts as a condenser to generate hot air. During the rotation of the main fan 120, a negative pressure is created at the main fan 120, and the airflow passing through the heat exchanger 110 is automatically transported to the room through the main air duct, thereby achieving indoor air conditioning. Of course, the air conditioning referred to here is not limited to temperature control. If the casing 100 has a humidity module, the main fan 120 can also automatically transport humidified gas to the room through the main air duct. Similarly, a fresh air duct is formed within the fresh air module 200, and the air inlet of the fresh air duct is connected to the outside. After processing by the fresh air module 200 or the outdoor equipment, the fresh air is transported to the room through the fresh air duct and the fresh air outlet 220.

[0044] In this embodiment, compared to the fresh air impeller 210 and the main impeller 120 being driven by two separate power components, one power component is eliminated, thus meeting noise reduction requirements. Regarding the driving relationship between the drive motor 300 and the main impeller 120 and fresh air impeller 210, the output of the drive motor 300 can be configured with two terminals to achieve independent control of the fresh air impeller 210 and the main impeller 120. Alternatively, the output of the drive motor 300 can be configured with one terminal, outputting power through a main transmission path and a branch transmission path. The main transmission path is connected to either the fresh air impeller 210 or the main impeller 120, and the branch transmission path is connected to the other. Furthermore, the housing 100 can only house components such as the heat exchanger 110 and the main impeller 120, with the fresh air module 200 connected in parallel with the housing 100, or the fresh air module 200 can be installed inside the housing 100. Furthermore, the drive motor 300 can be installed on the housing 100, or the drive motor 300 can be installed on the fresh air module 200, or the drive motor 300 can be connected to both the housing 100 and the fresh air module 200, in order to ensure the installation stability of the drive motor 300.

[0045] In this embodiment, referring to Figures 2 to 4, the drive motor 300 is located in the space between the main impeller 120 and the fresh air impeller 210. The axes of the three can be coaxial or distributed off-axis. It can be understood that the drive motor 300 and the fresh air module 200 are located at the same end of the main impeller 120. The output end of the drive motor 300 can be set towards the fresh air module 200 or towards the main impeller 120, or it can have two output ends, respectively set towards the fresh air impeller 210 and the main impeller 120, so as to shorten the power transmission path of the drive motor 300, reduce the size of the air conditioner, ensure the driving force of the drive motor 300 on the fresh air impeller 210 and the main impeller 120, and also facilitate the installation of the drive motor 300. In one embodiment, referring to Figures 2 to 4, the output shaft of the drive motor 300 is driveably connected to one of the fresh air impeller 210 and the main impeller 120. The drive motor 300 is also driveably connected to the other of the main impeller 120 and the fresh air impeller 210 via a transmission structure. The drive motor 300 can directly drive one of the fresh air impeller 210 and the main impeller 120 to rotate by rotating its output shaft. During the operation of the drive motor 300, the drive motor 300 also drives the other of the fresh air impeller 210 and the main impeller 120 to rotate via the transmission structure. The drive motor 300 can have only one output shaft, which directly drives one of the impellers to rotate, and also drives the other impeller to rotate through a transmission structure; or, the drive motor 300 can also form two output shafts at opposite ends, one output shaft directly drives one impeller to rotate, and the other output shaft drives the other impeller to rotate through a transmission structure, thereby realizing the control of different speeds of the main impeller 120 and the fresh air impeller 210 to meet the driving force requirements of the main impeller 120 and the fresh air impeller 210.

[0046] In this embodiment, referring to Figures 2 to 4, the drive motor 300 has a first output shaft 310 and a second output shaft 320 at opposite ends. The second output shaft 320 is connected to the main impeller 120, and the first output shaft 310 is connected to the fresh air impeller 210 via a transmission structure. The first output shaft 310 and the second output shaft 320 of the drive motor 300 can rotate simultaneously. Here, either the first output shaft 310 or the second output shaft 320 is equipped with a clutch 410 to achieve independent control of the main impeller 120 and the fresh air impeller 210. Alternatively, the first output shaft 310 and the second output shaft 320 of the drive motor 300 can also rotate independently, thereby achieving independent control of the main impeller 120 and the fresh air impeller 210. The first output shaft 310 controls the rotation of the fresh air impeller 210 through the transmission structure, while the second output shaft 320 is directly connected to the main impeller. By changing the transmission ratio through the transmission structure, the different speeds and driving forces required for the main impeller 120 and the fresh air impeller 210 can be met.

[0047] In other embodiments, the drive motor 300 can directly drive either the fresh air impeller 210 or the main impeller 120 via an output shaft, and then connect to the output shaft via a transmission structure to drive the other impeller. This includes: in another embodiment, a transmission wheel is provided on the sole output shaft of the drive motor 300, with two transmission shafts connected radially to both sides of the transmission wheel. These two transmission shafts are respectively connected to the fresh air impeller 210 and the main impeller 120. The two transmission shafts and the transmission wheel can be fixedly connected, or they can be selectively connected via a clutch to achieve independent control of the fresh air impeller 210 and the drive wheel 311; or, in yet another embodiment, one end of the sole output shaft of the drive motor 300 is connected to the drive motor 300, and the other end is connected to the main impeller 120, with the transmission shaft... The output shaft and the transmission shaft are connected to the fresh air impeller 210 and driven by a transmission component, respectively, to achieve primary control of the main impeller 120 and secondary control of the fresh air impeller 210, thus meeting the air conditioner's requirements for the starting frequency of the main impeller 120 and the fresh air impeller 210. Alternatively, in another embodiment, the single output shaft of the drive motor 300 is divided into two sections, one connected to the drive motor 300 and the other connected to either the fresh air impeller 210 or the main impeller 120. The transmission shaft is connected to the other section. The two sections of the output shaft can be selectively connected by a clutch. The transmission shaft can also be selectively connected to either section of the output shaft by a transmission component, or the transmission component can also be selectively connected to the transmission shaft by a clutch, thereby achieving independent control of the fresh air impeller 210 and the main impeller 120.

[0048] Further, in this embodiment, referring to Figures 2 to 4, the transmission structure includes a transmission shaft 420 parallel to the first output shaft 310. The first output shaft 310 and the transmission shaft 420 are connected by a transmission component, and the transmission shaft 420 is connected to the fresh air impeller 210. It can be understood that the transmission shaft 420 rotates simultaneously with the first output shaft 310 under the action of the transmission component, thereby driving the fresh air impeller 210 to rotate. The transmission component can be controlled not to be connected to either the first output shaft 310 or the transmission shaft 420, so that the second output shaft 320 can drive the main impeller 120 to rotate independently. This allows a single drive motor 300 to control the operation of the fresh air impeller 210 and the main impeller 120, simplifies the complexity of the transmission structure, reduces the size of the air conditioner, and facilitates the installation and design of the air conditioner.

[0049] Further, in this embodiment, referring to Figures 3 to 5, the first output shaft 310 is fitted with a driving wheel 311, and the transmission shaft 420 is fitted with a driven wheel 421. The driving wheel 311 and the driven wheel 421 are connected by a transmission component. Without loss of generality, the diameters of the driving wheel 311 and the driven wheel 421 can be selected to form different transmission ratios, thereby realizing the transmission between the output shaft 310 and the transmission shaft 420 according to a preset transmission ratio, thus distributing the power output by the output shaft 310 and the transmission shaft 420 to adapt to the power and speed requirements of driving the fresh air impeller 210 and the main impeller 120. The driving wheel 311 can be movably fitted onto the first output shaft 310, and the driven wheel 421 can also be movably fitted onto the transmission shaft 420, realizing independent control of the first output shaft 310 or the transmission shaft 420, thereby enabling individual control of the fresh air impeller 210 and the main impeller 120. It is understood that the driving wheel 311 and the driven wheel 421 are connected by a transmission component. In one embodiment, as shown in Figures 2 to 4, the transmission component can be configured as a belt 430, which not only ensures stable transmission between the driving wheel 311 and the driven wheel 421, but also reduces the number of parts in the transmission structure and lowers the weight. Alternatively, in another embodiment, the transmission component can be configured as a gear set. By adjusting the transmission ratio through the gear set, the speed change function can be achieved to control the air outlet efficiency of the main air duct and the fresh air duct, and also ensure the stability of the transmission between the driving wheel 311 and the driven wheel 421.

[0050] In one embodiment, referring to Figures 3 to 5, the transmission structure further includes a clutch 410 disposed on the first output shaft 310 or the drive shaft 420. The clutch 410 is used to control the transmission relationship between the first output shaft 310 and the fresh air impeller. It can be understood that the clutch 410 can control the transmission connection between the first output shaft 310 and the drive wheel 311. When the clutch 410 is not working, the first output shaft 310 and the drive wheel 311 do not interfere with each other, and the first output shaft 310 and the second output shaft 320 rotate synchronously, but the drive wheel 311 does not transmit power to the transmission component. When the clutch 410 is working, the first output shaft 310 and the drive wheel 311 rotate synchronously, thereby driving the drive shaft 420 to rotate, realizing the transmission between the main impeller 120 and the drive wheel 311. The fresh air impeller 210 can operate simultaneously or independently. When the clutch 410 is not engaged, the drive shaft 420 and driven wheel 421 do not interfere with each other, and the first output shaft 310 and second output shaft 320 rotate synchronously, but the driven wheel 420 does not transmit power to the drive wheel 420. When the clutch 410 is engaged, the driven wheel 421 and drive shaft 420 rotate synchronously, thereby driving the fresh air impeller 210 to rotate, achieving simultaneous and independent operation of the main impeller 120 and the fresh air impeller 210. Thus, through the control of the clutch 410, independent drive of the main impeller 120 and the fresh air impeller 210 is achieved. The clutch 410 can be configured as an electromagnetic clutch 410, a hydraulic clutch 410, or a mechanical clutch 410. Of course, in other embodiments, both the first output shaft 310 and the drive shaft 420 can be independently configured with clutches 410 to achieve independent configuration.

[0051] Specifically, in this embodiment, referring to Figures 4 and 5, the clutch 410 includes an electromagnetic component (not shown) located on the drive shaft 420 and a magnetic component (not shown) located on the driven wheel 421. The magnetic component is connected to an elastic component. When the electromagnetic component is energized, the electromagnetic component and the magnetic component attract each other magnetically. When the electromagnetic component is de-energized, the elastic component separates the magnetic component and the electromagnetic component. When the electromagnetic component is energized, it generates a magnetic attraction force, causing the magnetic component and the electromagnetic component to attract each other magnetically, thereby pulling the driven wheel 421 and the drive shaft 420 tightly together. At this time, the first output shaft 310 rotates, and power is transmitted from the driving wheel 311 to the driven wheel 421, and then from the driven wheel 421 to the drive shaft 420, realizing independent control of the fresh air impeller 210. After the electromagnetic component is de-energized, its magnetism weakens or disappears, causing the electromagnetic and magnetic components to lose their magnetic attraction. Under the action of the elastic component, the magnetic component elastically resets, thereby pulling the driven wheel 421 to separate from the transmission shaft 420. At this time, the rotation of the first output shaft 310 is no longer transmitted to the driven wheel 421, and the transmission shaft 420 no longer rotates with the first output shaft 310, achieving independent control of the fresh air impeller 210. In another embodiment, a clutch 410 can also be provided at the connection between the first output shaft 310 and the driving wheel 311 to achieve selective transmission control of the fresh air impeller 210 by the first output shaft 310. Alternatively, a clutch 410 can also be provided at the connection between the second output shaft 320 and the main impeller 120 to achieve selective transmission control of the main impeller 210 by the second output shaft 320, thereby ensuring the reliability and stability of the independent control of the fresh air impeller 210 and the main impeller 120 by the drive motor 300.

[0052] In one embodiment, referring to Figures 3 to 5, the axis of the fresh air impeller 210 is off-axis from the axis of the main impeller 120. It can be understood that the first output shaft 310 and the drive shaft 420 are arranged side-by-side, i.e., off-axis. In this case, the off-axis distribution of the axis of the fresh air impeller 210 and the main impeller 120 provides connection space and ensures convenient connection operation for the second output shaft 320 directly connected to the main impeller 120 and the drive shaft 420 directly connected to the fresh air impeller 210. Of course, in other embodiments, the axis of the fresh air impeller 210 and the axis of the main impeller 120 can also be on the same axis, and the first output shaft 310 and the second output shaft 320 can also be on the same axis and connected to the fresh air impeller 210 and the main impeller 120 respectively, so that a drive motor 300 can control the operating state of the fresh air impeller 210 and the main impeller 120.

[0053] In one embodiment, referring to Figures 3 to 5, the drive shaft 320 passes through the axis of the fresh air impeller 210 and drives the fresh air impeller 210 to rotate. The second output shaft 320 passes through the axis of the main impeller 120 and drives the main impeller 120 to rotate. It can be understood that when the axes of the fresh air impeller 210 and the main impeller 120 are coaxially distributed, the first output shaft 310 and the drive shaft 420 are also distributed side-by-side, allowing the second output shaft 320 and the axis of the main impeller 120, and the drive shaft 420 and the axis of the fresh air impeller 210 to be coaxially connected, reducing the complexity of the transmission structure and improving the ease of assembly of the air conditioner. When the axes of the fresh air impeller 210 and the main impeller 120 are coaxially distributed, the first output shaft 310 and the second output shaft 320 can also be coaxially distributed and located on the same axis as the axes of the fresh air impeller 210 and the main impeller 120. In this way, the power of the drive motor 300 can be stably transmitted to the fresh air impeller 210 via the first output shaft 310 and to the main impeller 120 via the second output shaft 320, thus ensuring the reliability of the control of the main impeller 120 and the fresh air impeller 210.

[0054] In one embodiment, referring to Figure 3, the fresh air module 200 is provided with a mounting frame 230, the transmission structure is located within the mounting frame 230, and the drive motor 300 is connected to the fresh air module 200. The mounting frame 230 is formed outside the housing of the fresh air module 200 and provides protection and guidance for the installation position of the transmission structure composed of the drive shaft 420, transmission components, drive wheel 311, driven wheel 421, and clutch 410, thereby improving the ease of installation of the transmission structure and the drive motor 300, and ensuring the stability of the transmission structure in use. The mounting frame 230 is located on the side of the fresh air module 200 facing the housing 100 and is positioned between the drive motor 300 and the housing of the fresh air module 200, while the drive motor 300 is connected to the fresh air module 200, thereby reducing the weight at the main fan wheel 120 and balancing the center of gravity of the air conditioner. Of course, in other embodiments, the transmission structure can also be integrated with the drive motor 300, with mounting positions provided on the housing 100 or the fresh air module 200 to provide installation guidance for the component integrating the transmission structure and the drive motor 300, thereby improving the assembly and production efficiency of the air conditioner.

[0055] In one embodiment, referring to Figures 1 and 2, the air conditioner is configured as the indoor unit of a split-type air conditioner, wherein the indoor unit can be a wall-mounted indoor unit or a floor-standing indoor unit. In another embodiment, the air conditioner is configured as a modular air conditioner, wherein the modular air conditioner can be an indoor cabinet air conditioner or a window-type integrated air conditioner. In yet another embodiment, the air conditioner is configured as a split-type air conditioner, including two devices: an indoor unit and an outdoor unit.

[0056] The above description is merely an exemplary embodiment of this application and does not limit the patent scope of this application. Any equivalent structural transformations made based on the technical concept of this application and the contents of the specification and drawings of this application, or direct / indirect applications in other related technical fields, are included within the patent protection scope of this application.

Claims

1. An air conditioner, wherein, The air conditioner includes: The casing contains the main impeller. A fresh air module, installed in the housing, is located at the end of the main impeller and includes a fresh air impeller; and A drive motor is located between the main impeller and the fresh air impeller, and drives the main impeller and the fresh air impeller to control the working state of the main impeller and the fresh air impeller.

2. The air conditioner as described in claim 1, wherein, The output shaft of the drive motor is driven to one of the fresh air impeller and the main air impeller, and the drive motor is also driven to the other of the main air impeller and the fresh air impeller through a transmission structure.

3. The air conditioner as described in claim 2, wherein, The drive motor has a first output shaft and a second output shaft at its opposite ends. The second output shaft is connected to the main impeller, and the first output shaft is connected to the fresh air impeller through the transmission structure.

4. The air conditioner as described in claim 3, wherein, The transmission structure includes a transmission shaft parallel to the first output shaft, the first output shaft and the transmission shaft are connected by a transmission component, and the transmission shaft is connected to the fresh air impeller.

5. The air conditioner as described in claim 4, wherein, The first output shaft is fitted with a driving wheel, and the transmission shaft is fitted with a driven wheel. The driving wheel and the driven wheel are connected by the transmission component.

6. The air conditioner as described in claim 4 or 5, wherein, The transmission structure also includes a clutch disposed on the first output shaft or the transmission shaft, the clutch being used to control the transmission relationship between the first output shaft and the fresh air impeller.

7. The air conditioner as claimed in claim 6, wherein, The clutch includes an electromagnetic component located on the drive shaft and a magnetic component located on the driven wheel, the magnetic component being connected to an elastic component; When the electromagnetic component is energized, the electromagnetic component and the magnetic component attract each other magnetically. When the electromagnetic component is de-energized, the elastic component can separate the magnetic component and the electromagnetic component.

8. The air conditioner as claimed in any one of claims 4 to 7, wherein, The transmission component is configured as a belt or a gear set.

9. The air conditioner as described in any one of claims 4 to 8, wherein, The drive shaft passes through the axis of the fresh air impeller and can drive the fresh air impeller to rotate; the second output shaft passes through the axis of the main impeller and can drive the main impeller to rotate. And / or, the axis of the new air impeller is off-axis from the axis of the main air impeller.

10. The air conditioner as claimed in any one of claims 2 to 9, wherein, The fresh air module is provided with an installation frame, the transmission structure is located inside the installation frame, and the drive motor is connected to the fresh air module.

11. The air conditioner as claimed in any one of claims 1 to 10, wherein, The air conditioner is configured as a modular air conditioner or a split air conditioner, or the air conditioner is configured as the indoor unit of a split air conditioner.

Images