CN210425294U

CN210425294U - Window type air conditioner

Info

Publication number: CN210425294U
Application number: CN201920848855.8U
Authority: CN
Inventors: 于艳翠; 赵桓; 胡强
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2019-06-04
Filing date: 2019-06-04
Publication date: 2020-04-28
Anticipated expiration: 2029-06-04

Abstract

The utility model relates to a window type air conditioner, which comprises a shell, an outer heat exchanger and an outer fan; the shell is provided with a linear outer air duct, and the outer heat exchanger and the outer fan are both arranged in the outer air duct; the outer fan can drive airflow to flow from one end of the outer air duct to the other end of the outer air duct. The outer air duct is arranged in a straight line shape, the outer fan and the outer heat exchanger are arranged in the air duct, the outer fan can drive airflow to flow from one end of the air duct to the other end, and the airflow passes through the outer heat exchanger and exchanges heat with the outer heat exchanger in the flowing process so as to absorb heat or cool heat of the heat exchange agent in the outer heat exchanger; because the outer air duct is linear, compared with the mode that the air inlet and the air outlet are respectively arranged in the radial direction and the axial direction, the air resistance is greatly reduced, the air flow is smoother, and the heat exchange effect of the outer heat exchanger is greatly improved.

Description

Window type air conditioner

Technical Field

The utility model relates to the technical field of household appliances, especially, relate to a window formula air conditioner.

Background

With the continuous improvement of the quality of life, more and more air conditioners appear in the life of people. Window air conditioners are becoming more and more popular in recent years due to their advantages of easy installation and low energy consumption. After the window type air conditioner is installed and used, half of the window type air conditioner is located outdoors, and half of the window type air conditioner is located indoors, wherein the outdoor side is equivalent to an external machine part of the split air conditioner, and the indoor side is equivalent to an internal machine part of the split air conditioner. The outdoor side of the existing window type air conditioner mostly adopts radial air inlet and then air outlet from the axial end surface of the window type air conditioner, or adopts axial end surface air inlet and radial air outlet, the air inlet and the air outlet are respectively arranged in axial and radial structures, the air resistance of the air supply and heat exchange process of a fan is large, and the heat exchange is poor.

Accordingly, there is a need to provide a window type air conditioner that addresses the deficiencies of the prior art.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the utility model provides a window type air conditioner.

A window type air conditioner comprises a shell, an outer heat exchanger and an outer fan;

the shell is provided with a linear outer air duct, and the outer heat exchanger and the outer fan are both arranged in the outer air duct;

the outer fan can drive airflow to flow from one end of the outer air duct to the other end of the outer air duct.

Further, the axial direction of the outer air duct is the vertical direction.

Furthermore, the upper end of the outer air duct is provided with a first upper port communicated with the outside, and the lower end of the outer air duct is provided with a first lower port communicated with the outside; the ratio of the vertical distance between the outer heat exchanger and the first upper port to the vertical distance between the outer heat exchanger and the first lower port is 1: 0.8-1.2.

Furthermore, the fan driving device further comprises a driving piece, the outer fan is in driving connection with the driving piece, and the driving piece can drive the outer fan in a forward direction or a reverse direction.

Further, the heat exchanger and the inner fan are further included, the shell is further provided with an inner air duct, and the inner heat exchanger and the inner fan are arranged in the inner air duct.

Furthermore, interior wind channel is the form of buckling, the one end in interior wind channel is equipped with the second and goes up the mouth, the other end in interior wind channel is equipped with the second end opening, first go up the mouth with the second end opening is located on the same lateral wall of casing.

Further, the inner fan and the outer fan are respectively in driving connection with the same driving piece;

the driving part drives the outer fan in a forward direction and drives the inner fan in a reverse direction at the same time, the outer fan driven in the forward direction drives the airflow in the outer air duct to flow from the first lower port to the first upper port, the inner fan driven in the reverse direction drives the airflow in the inner air duct to flow from the second lower port to the second upper port, and at the moment, the driving part is in a first driving mode;

the driving part drives the outer fan in a reverse direction and drives the inner fan in a forward direction, the outer fan driven in the reverse direction drives airflow in the outer air duct to flow from a first upper opening to a first lower opening, the inner fan driven in the forward direction drives airflow in the inner air duct to flow from a second upper opening to a second lower opening, and at the moment, the driving part is in a second driving mode.

Further, still be equipped with the drive chamber in the casing, the driving piece is located the drive intracavity, the one end of the output shaft of driving piece gets into outer wind channel and with outer fan drive is connected, the other end of the output shaft of driving piece gets into interior wind channel and with interior fan drive is connected.

The driving part is electrically connected with the main control board, and the main control board can control the driving direction of the driving part to the outer fan according to the operation mode of the air conditioner.

Further, the inner fan is a centrifugal fan; the outer fan is a centrifugal fan.

Based on the same invention idea, the application also provides a heat exchange control method of the window type air conditioner, which comprises the following steps:

acquiring an operation mode of the air conditioner;

when the air conditioner is in a cooling mode, generating a first driving instruction, and when the air conditioner is in a heating mode, generating a second driving instruction;

executing the first drive instruction or the second drive instruction.

Based on the same invention thought, the application also provides a heat exchange control system of the window type air conditioner, and the system comprises:

the acquisition module is used for acquiring the operation mode of the air conditioner;

the instruction module is used for generating a first driving instruction when the air conditioner is in a cooling mode and generating a second driving instruction when the air conditioner is in a heating mode;

and executing an instruction, wherein the executing instruction is used for executing the first driving instruction or the second driving instruction generated by an instruction module.

The technical scheme of the utility model compare with closest prior art and have following advantage:

the window air conditioner provided by the technical scheme provided by the utility model has the advantages that the outer air duct is arranged into a straight line shape, the outer fan and the outer heat exchanger are arranged in the air duct, the outer fan can drive the air flow to flow from one end of the air duct to the other end, the air flow passes through the outer heat exchanger in the flowing process and exchanges heat with the outer heat exchanger, and the heat absorption or cold absorption of the heat exchange agent in the outer heat exchanger is completed; because the outer air duct is linear, compared with the mode that the air inlet and the air outlet are respectively arranged in the radial direction and the axial direction, the air resistance is greatly reduced, the air flow is smoother, and the heat exchange effect of the outer heat exchanger is greatly improved.

Drawings

FIG. 1 is a schematic view of the external wind direction of the window air conditioner in the cooling mode of the present invention;

FIG. 2 is a schematic view of the internal wind direction of the window air conditioner in the cooling mode of the present invention;

FIG. 3 is a schematic view of the window type air conditioner showing the direction of external wind in the heating mode according to the present invention;

FIG. 4 is a schematic view of the internal wind direction of the window air conditioner in the heating mode according to the present invention;

fig. 5 is a schematic view of a refrigerant circulation system of the window type air conditioner of the present invention.

Wherein, 1-an internal heat exchanger; 2-an inner fan; 3-a driving member; 4-an external fan; 5-an external heat exchanger; 6-a first upper port; 7-a first lower port; 8-a second upper port; 9-a second lower port; 10-a housing; 11-a compressor; 12-a four-way valve; 13-a gas-liquid separator; 14-electronic expansion valve.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "inner", "middle", "outer", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "disposed," "connected," and "secured" are to be construed broadly. For example, "connected" may be a fixed connection, a detachable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail with reference to the accompanying examples and figures 1-5. FIG. 1 is a schematic view of the external wind direction of the window air conditioner in the cooling mode of the present invention; FIG. 2 is a schematic view of the internal wind direction of the window air conditioner in the cooling mode of the present invention; FIG. 3 is a schematic view of the window type air conditioner showing the direction of external wind in the heating mode according to the present invention; FIG. 4 is a schematic view of the internal wind direction of the window air conditioner in the heating mode according to the present invention; and, FIG. 5 is a schematic view of a refrigerant circulation system of the window type air conditioner of the present invention.

The utility model provides a window type air conditioner, which comprises a shell 10, an outer heat exchanger 5 and an outer fan 4; the shell 10 is provided with a linear outer air duct, and the outer heat exchanger 5 and the outer fan 4 are both arranged in the outer air duct; the outer fan 4 can drive the air flow to flow from one end of the outer air duct to the other end.

The outer air duct is arranged in a straight line shape, the outer fan 4 and the outer heat exchanger 5 are arranged in the air duct, the outer fan 4 can drive airflow to flow from one end of the air duct to the other end of the air duct, and the airflow passes through the outer heat exchanger 5 in the flowing process and exchanges heat with the outer heat exchanger 5 to complete heat absorption or cold absorption of heat exchange agents in the outer heat exchanger 5; because the outer air duct is linear, compared with the mode that the air inlet and the air outlet are respectively arranged in the radial direction and the axial direction, the air resistance is greatly reduced, the air flow is smoother, and the heat exchange effect of the outer heat exchanger 5 is greatly improved.

In some embodiments of the present invention, the axial direction of the outer air duct is a vertical direction. The linear outer air duct can reduce the air resistance of the air flow inside the outer air duct, and the inner side and the outer side of the window type air conditioner are respectively arranged indoors and outdoors after being installed, so that the inner side part and the outer side part are coaxially arranged, and the outer air duct can only be arranged in the radial direction of the outer side part. The vertical direction is a special radial position, can make the air current through outer wind channel from top to bottom flow or from bottom to top flow, and the effect that the windage reduced is best, and the smooth and easy degree of air current is higher than other directions in addition, and the heat transfer effect is also more excellent.

In some embodiments of the present invention, the upper end of the outer air duct is provided with a first upper port 6 communicated with the outside, and the lower end thereof is provided with a first lower port 7 communicated with the outside; the ratio of the vertical distance of the outer heat exchanger 5 from the first upper port 6 to the vertical distance of the outer heat exchanger 5 from the first lower port 7 is 1: 0.8-1.2.

With outer heat exchanger 5 setting near the mid point in outer wind channel, can make the heat transfer effect of the air current of flowing through it the best, avoided moreover to set up and go out at the air intake and lead to that the wind speed is big, the poor problem of heat exchange efficiency, avoided simultaneously to set up to lead to that the wind speed is little at the air outlet, problem big to the windage of air current.

In some embodiments of the present invention, the air conditioner further comprises a driving member 3, the outer fan 4 is in driving connection with the driving member 3, and the driving member 3 can drive the outer fan 4 in forward or reverse direction. The driving piece 3 can drive the outer fan 4 to rotate in the forward direction or the reverse direction, so that the wind direction in the outer air duct can be switched, and the inlet and outlet properties of the first upper port 6 and the first lower port 7 can be switched. Specifically, when the airflow flows from bottom to top, the first lower opening 7 serves as an air inlet of the outer air duct, and the first upper opening 6 serves as an air outlet of the outer air duct; on the contrary, when the air current flows from top to bottom, the first upper opening 6 is used as the air inlet of the outer air duct, and the first lower opening 7 is used as the air outlet of the outer air duct. Different airflow directions can be selected according to the operation mode of the air conditioner, and the heat exchange efficiency can be improved.

The utility model discloses an in some embodiments, still include interior heat exchanger 1 and interior fan 2, casing 10 still is equipped with interior wind channel, interior heat exchanger 1 with interior fan 2 locates in the interior wind channel. The inner heat exchanger 1 and the inner fan 2 are arranged in the inner air duct, air flow in the inner air duct can be driven to flow from one end to the other end through the inner fan 2, the air flow can penetrate through the inner heat exchanger 1 in the flowing process and can be subjected to heat exchange with the inner heat exchanger 1, the air flow is cooled or heated after the heat exchange, and the air flow is blown out from the inner air duct and enters a room to cool or heat indoor air.

In some embodiments of the present invention, the inner air duct is bent, the second upper opening 8 is disposed at one end of the inner air duct, the second lower opening 9 is disposed at the other end of the inner air duct, and the first upper opening 6 and the second lower opening 9 are disposed on the same side wall of the casing 10.

Interior wind channel is located indoorly, its air inlet air-out is all indoor, indoor air flows through from interior wind channel, by heating or refrigeration, then get into indoor back and heat or refrigerate the room air, heat up or cool down indoor, increase the travelling comfort of room air, because the density of cold and hot air is different, consequently the room air presents the cold air and descends, the trend that the hot air rises, consequently two mouths in the wind channel set up to be not co-altitude in with, can help its air inlet and air-out, and then promote refrigeration and heating effect.

In some embodiments of the present invention, the inner fan 2 and the outer fan 4 are respectively in driving connection with the same driving member 3; the driving element 3 drives the outer fan 4 forward and drives the inner fan 2 backward, the outer fan 4 driven forward drives the airflow in the outer air duct to flow from the first lower port 7 to the first upper port 6, the inner fan 2 driven backward drives the airflow in the inner air duct to flow from the second lower port 9 to the second upper port 8, and at this time, the driving element 3 is in a first driving mode; the driving part 3 drives the outer fan 4 in a reverse direction and drives the inner fan 2 in a forward direction, the outer fan 4 driven in the reverse direction drives the airflow in the outer air duct to flow from the first upper opening 6 to the first lower opening 7, the inner fan 2 driven in the forward direction drives the airflow in the inner air duct to flow from the second upper opening 8 to the second lower opening 9, and at the moment, the driving part 3 is in a second driving mode.

When the air conditioner is in the first driving mode, the air flow in the outer air channel is from bottom to top, the air flow in the inner air channel is from bottom to top, and the inner air channel blows out the air flow from the second upper opening 8. And in the second driving mode, the air flow in the outer air duct is from top to bottom, the air flow in the inner air duct is from top to bottom, and the air flow blown out from the second lower opening 9 by the inner air duct is suitable for the heating mode because the hot air blown out from the second lower opening 9 is in an ascending trend after entering the room, and the temperature of each indoor height can be gradually increased. The same driving piece 3 can drive the inner fan 2 and the outer fan 4 simultaneously, so that the air supply synchronism of the inner fan 2 and the outer fan 4 is improved, and the energy consumption is reduced; the driving piece 3 can select a motor, forward and reverse driving of the internal fan 2 is realized through forward rotation and reverse rotation of the motor, and forward and reverse driving of the external fan 4 is realized through forward rotation and reverse rotation simultaneously.

In some embodiments of the present invention, a driving cavity is further disposed in the casing 10, the driving member 3 is disposed in the driving cavity, one end of the output shaft of the driving member 3 enters the outer air duct and is in driving connection with the outer fan 4, and the other end of the output shaft of the driving member 3 enters the inner air duct and is in driving connection with the inner fan 2. The drive chamber can set up the inner chamber intermediate position at the shell, wind channel and outer wind channel including setting up promptly, be convenient for the output shaft both ends of driving piece 3 enter into respectively in wind channel and the outer wind channel, and the height of driving piece 3, the height of interior heat exchanger 1 and the height of outer heat exchanger 5 will wholly consider, the integrated design, make its mutual adaptation, reach best assembly effect, effectively utilize the space in the casing 10, the windage in the wind channel and the windage in the interior wind channel of minimizing, the heat exchange efficiency of increase interior heat exchanger 1 and the heat exchange efficiency of outer heat exchanger 5.

The utility model discloses an in some embodiments, still include the main control board, driving piece 3 with the main control board electric control is connected, the main control board can be controlled according to the operational mode of air conditioner driving piece 3 right outer fan 4 with the direction of drive of interior fan 2. The main control board is through the rotation direction of control driving piece 3, and then control to interior fan 2 with the direction of drive of outer fan 4, when driving piece 3 selection motor, can be through the rotation direction of the circulation direction control motor of the three-phase electricity of main control board control and motor connection.

In some embodiments of the present invention, the inner fan 2 is a centrifugal fan; the outer fan 4 is a centrifugal fan. The inner fan 2 and the outer fan 4 are both centrifugal fans, the air speed and the air quantity of the centrifugal fans are large, and the influence on the air quantity and the air speed is extremely small after the air supply direction is changed.

In some embodiments of the present invention, the air conditioner further includes a compressor 11, a four-way valve 12, a gas-liquid separator 13 and an electronic expansion valve 14, a first outlet of the four-way valve 12 is connected to an exhaust port of the compressor 11, a second outlet of the four-way valve 12 is connected to an inner heat exchanger 1, and a second outlet of the four-way valve 12 is connected to an outer heat exchanger 5, a fourth outlet of the four-way valve 12 is connected to an air suction port of the compressor 11, and the inner heat exchanger 1 is further communicated with the outer heat exchanger 5 through a pipeline and the electronic expansion valve 14. Of course, besides the above-mentioned components, other components of the air conditioning system that can bring optimization effects may also be added to the air conditioner of the present application, which are all the prior art in the air conditioning field, and those skilled in the art may also design flexibly, and will not be described herein in any way.

Based on the same invention idea, the application also provides a heat exchange control method of the window type air conditioner, which comprises the following steps: the method comprises the steps of obtaining an operation mode of the air conditioner, generating a first driving instruction when the air conditioner is in a cooling mode, and generating a second driving instruction when the air conditioner is in a heating mode; executing the first drive instruction or the second drive instruction.

The foregoing has analyzed that the first driving mode is applicable to the cooling mode of the air conditioner, and the second driving mode is applicable to the heating mode of the air conditioner, so that the matching of the driving modes is performed by obtaining the operation mode of the air conditioner, the control of the air flow in the inner air duct and the air flow in the outer air duct can be increased, the wind resistance is reduced, and the heat exchange efficiency is increased.

It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.

It is to be understood that the embodiments described herein may be implemented in hardware, software, firmware, middleware, microcode, or any combination thereof. For a hardware implementation, the Processing units may be implemented within one or more Application Specific Integrated Circuits (ASICs), Digital Signal Processors (DSPs), Digital Signal Processing Devices (DSPDs), Programmable Logic Devices (PLDs), Field Programmable Gate Arrays (FPGAs), general purpose processors, controllers, micro-controllers, microprocessors, other electronic units configured to perform the functions described herein, or a combination thereof.

For a software implementation, the techniques described herein may be implemented by means of units performing the functions described herein. The software codes may be stored in a memory and executed by a processor. The memory may be implemented within the processor or external to the processor.

Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.

In the embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.

In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.

The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solutions of the embodiments of the present application may be essentially implemented or make a contribution to the prior art, or may be implemented in the form of a software product stored in a storage medium and including several instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the methods described in the embodiments of the present application. And the aforementioned storage medium includes: various media capable of storing program codes, such as a U disk, a removable hard disk, a ROM, a RAM, a magnetic disk, or an optical disk.

It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.

Claims

1. A window type air conditioner is characterized by comprising a shell (10), an outer heat exchanger (5) and an outer fan (4);

the shell (10) is provided with a linear outer air duct, and the outer heat exchanger (5) and the outer fan (4) are both arranged in the outer air duct;

the outer fan (4) can drive airflow to flow from one end of the outer air duct to the other end of the outer air duct.

2. The window air conditioner as set forth in claim 1, wherein the axial direction of said outer duct is vertical.

3. The window type air conditioner as claimed in claim 2, wherein the upper end of the outer duct is provided with a first upper port (6) communicating with the outside, and the lower end thereof is provided with a first lower port (7) communicating with the outside; the ratio of the vertical distance of the outer heat exchanger (5) to the first upper port (6) to the vertical distance of the outer heat exchanger (5) to the first lower port (7) is 1: 0.8-1.2.

4. The window type air conditioner as claimed in claim 1, further comprising a driving member (3), wherein the outer fan (4) is in driving connection with the driving member (3), and the driving member (3) can drive the outer fan (4) in forward or reverse direction.

5. The window type air conditioner according to claim 3, further comprising an inner heat exchanger (1) and an inner fan (2), wherein the housing (10) is further provided with an inner air duct, and the inner heat exchanger (1) and the inner fan (2) are disposed in the inner air duct.

6. The window type air conditioner as claimed in claim 5, wherein the inner air duct is bent, a second upper opening (8) is formed at one end of the inner air duct, a second lower opening (9) is formed at the other end of the inner air duct, and the first upper opening (6) and the second lower opening (9) are formed on the same side wall of the housing (10).

7. The window air conditioner as claimed in claim 6, wherein the inner fan (2) and the outer fan (4) are respectively in driving connection with the same driving member (3);

the driving part (3) drives the outer fan (4) in a forward direction and drives the inner fan (2) in a reverse direction, the outer fan (4) driven by the forward direction drives airflow in the outer air duct to flow from a first lower opening (7) to a first upper opening (6), the inner fan (2) driven by the reverse direction drives airflow in the inner air duct to flow from a second lower opening (9) to a second upper opening (8), and at the moment, the driving part (3) is in a first driving mode;

the driving piece (3) drives the outer fan (4) in a reverse direction, the inner fan (2) is driven in a forward direction, the outer fan (4) driven in the reverse direction drives airflow in the outer air duct to flow from a first upper opening (6) to a first lower opening (7), the inner fan (2) driven in the forward direction drives airflow in the inner air duct to flow from a second upper opening (8) to a second lower opening (9), and at the moment, the driving piece (3) is in a second driving mode.

8. The window type air conditioner according to claim 7, wherein a driving cavity is further provided in the housing (10), the driving member (3) is provided in the driving cavity, one end of the output shaft of the driving member (3) enters the outer air duct and is in driving connection with the outer fan (4), and the other end of the output shaft of the driving member (3) enters the inner air duct and is in driving connection with the inner fan (2).

9. The window type air conditioner as claimed in claim 7, further comprising a main control board, wherein the driving member (3) is electrically connected with the main control board, and the main control board can control the driving direction of the external fan (4) by the driving member (3) according to the operation mode of the air conditioner.

10. A window air conditioner according to claim 5, wherein the inner fan (2) is a centrifugal fan; the outer fan (4) is a centrifugal fan.