WO2016023483A1

WO2016023483A1 - Smog-removing air conditioner having cleaning function

Info

Publication number: WO2016023483A1
Application number: PCT/CN2015/086716
Authority: WO
Inventors: 戴若夫; 辜显旺
Original assignee: 戴若夫
Priority date: 2014-08-13
Filing date: 2015-08-12
Publication date: 2016-02-18
Also published as: CN104654457A

Abstract

A smog-removing air conditioner having a cleaning function, comprising an air conditioning outdoor unit (1) and an air conditioning indoor unit (2). A refrigerant pipe (3) is connected between the air conditioning outdoor unit (1) and the air conditioning indoor unit (2). An air supply outlet (21) and an air recirculation inlet (22) are provided on the air conditioning indoor unit (2). A surface cooler (23) and an air supply fan (24) are equipped at where the air supply outlet (21) is located. A fresh air heat exchanger (7) and an electrostatic precipitator (8) are provided within the air conditioning indoor unit (2). The air supply outlet (21) is provided with a fresh air pipe (4) connected to the outside via the fresh air heat exchanger (7). The air recirculation inlet (22) is provided with an air exhaust pipe (5) connected to the outside via the fresh air heat exchanger (7). The electrostatic precipitator (8) is provided between the fresh air heat exchanger (7) and an air inlet of the fresh air pipe (4). The electrostatic precipitator (8) is connected to a water inlet pipe (81) used for cleaning and a water outlet pipe (82) used for discharging wastewater. The air conditioner is structurally simple and compact, convenient to use, and capable of implementing various functions.

Description

Deodorizing air conditioner with cleaning function

[Technical Field]

The invention mainly relates to the field of fresh air removal, and particularly relates to a de-icing air conditioner with a cleaning function.

【Background technique】

At present, popular air purifiers can filter and remove some indoor PM2.5 micro-particles and some toxic and harmful polluting gases, but can not introduce outdoor fresh air, and need to periodically replace the filter materials to increase operating costs and operation and maintenance for users. trouble. Although the fresh air system is equipped with various filters and even cleaning filters with cleaning functions, it solves the drawbacks of the air purifiers without new air. But it is still difficult to spread to ordinary families. In the room where the air conditioner has been installed, a new air system with a cleaning function is installed, which not only has insufficient space in the general room, but is also very cumbersome to install and inconvenient to operate.

[Summary of the Invention]

The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art, and to provide a de-icing air conditioner with a cleaning function that is simple and compact in structure, convenient to use, and capable of realizing various functions.

In order to solve the above technical problems, the present invention adopts the following technical solutions:

A dehumidification air conditioner with a cleaning function, comprising an air conditioner outer unit and an air conditioner inner unit, wherein a refrigerant pipe is connected between the air conditioner outer machine and the air conditioner inner machine, and the air conditioner inner machine is provided with an air supply port and a return air port, a air cooler and a blower are arranged at the air outlet, wherein the air conditioner has a fresh air heat exchanger and an electrostatic dust filter, and the air outlet is provided with a fresh air duct connected to the outdoor via a fresh air heat exchanger, The air returning port is provided with an exhaust duct connected to the outdoor via a fresh air heat exchanger, and the electrostatic precipitating filter is disposed between the fresh air heat exchanger and the air inlet of the fresh air duct, and the electrostatic dust removing filter is connected with the cleaning for cleaning. Water pipes and drains for draining sewage.

As a further improvement of the above technical solution:

The electrostatic precipitator filter is provided with a water pump for introducing water from the inlet pipe into the electrostatic precipitator filter.

The fresh air duct comprises a first section air inlet duct, a middle section air inlet duct and a last section air inlet duct, wherein the electrostatic precipitator filter is located on the first section air inlet duct, the fresh air heat exchanger is located on the middle section air inlet duct, and the blower is located on the end section air inlet duct and is close to The air supply port.

The fresh air heat exchanger includes a fresh air branch pipe for avoiding a fresh air heat exchanger, and the first air inlet pipe is connected to the fresh air branch pipe and the middle air inlet pipe through an air inlet switching three-way valve of the switchable outlet, and the last air inlet pipe passes The air supply switching three-way valve of the switchable inlet is connected to the fresh air branch pipe and the middle air inlet pipe.

The exhaust duct comprises a first exhaust duct, a middle exhaust duct and a last exhaust duct, and the fresh air heat exchanger is located On the middle exhaust pipe, an exhaust fan is arranged on the exhaust pipe at the end.

The fresh air heat exchanger further includes an exhaust pipe branch for avoiding the fresh air heat exchanger, wherein the first exhaust pipe is connected to the exhaust pipe and the middle exhaust pipe through the first exhaust air switching three-way valve of the switchable outlet The end exhaust duct is connected to the exhaust branch pipe and the middle exhaust duct through a second exhaust air switching three-way valve of the switchable inlet.

A return air duct is disposed between the fresh air duct and the exhaust duct, and the return air duct includes a first return air branch pipe, and the exhaust air duct is provided with a switchable outlet between the air return port and the fresh air heat exchanger a return air three-way valve, the fresh air duct is provided with a switchable inlet second return air three-way valve between the air supply port and the fresh air heat exchanger, and the first return air three-way valve and the second return air three-way valve The valve is connected by a first return air branch.

The return air duct further includes a second return air branch pipe, wherein the fresh air duct is provided with a third return air three-way valve that can switch the inlet at the air inlet end of the electrostatic precipitator filter, and the third return air three-way valve The second return air branch pipe is connected to the first return air branch pipe.

The air inlet of the fresh air duct is provided with an air inlet flap valve that can be switched on and off, and the air outlet of the air outlet duct is provided with an air outlet flap valve that can be switched on and off.

The inlet pipe is provided with an inlet water on-off valve, and the drainage pipe is provided with a drainage on-off valve.

The air outlet of the exhaust duct faces the radiator of the air conditioner outer unit.

The advantages of the present invention over the prior art are:

The dehumidification air conditioner with cleaning function of the invention comprises an air conditioner outer unit and an air conditioner inner machine, and the air conditioner inner machine is provided with a fresh air heat exchanger and an electrostatic dust filter, and the structure integrates a fresh air device and a set of dehumidification devices. Inside the air conditioner, a complete system machine is formed, which can simultaneously realize temperature regulation, fresh air supply and dust removal and removal, and the system is not a simple superposition of three devices, but Through reasonable layout, the pipeline structure is greatly simplified, and the organic combination of the three is integrated, which makes the structure simple and compact, and takes up small space, greatly improves the convenience of installation and saves installation space; the electrostatic dust filter adopts It is electrostatic dust removal, which can purify and filter fresh air, and can remove PM2.5 micro particles. The electrostatic dust filter has water inlet and drain pipes with water cleaning function. When used, it will introduce static electricity from the inlet pipe. The dust filter cleans the internal electrostatic precipitator assembly, and the dust on the electrostatic precipitator assembly is completely detached under the action of water cleaning. The water pipe can discharge the sewage, complete the automatic cleaning function, no consumables, no need to replace, disassemble, low maintenance cost and convenient use, energy saving and environmental protection effect; the air supply port has a fresh air pipe connected to the outdoor via the fresh air heat exchanger, and the air return port There is an exhaust duct connected to the outdoor via a fresh air heat exchanger. The electrostatic precipitator filter is arranged between the fresh air heat exchanger and the air inlet of the fresh air duct. The fresh air enters the fresh air duct from the air inlet on the wall, and then enters the electrostatic dust removal. The filter, the fresh air purified by the filter passes through the fresh air heat exchanger and the blower enters the air from the air supply port to achieve the purification effect of the fresh air removal, and the indoor air can enter the exhaust air duct and is realized by the fresh air heat exchanger. After the fresh air is exchanged for hot and cold, it is discharged to the outside through the air outlet on the wall. The fresh air heat exchanger plays a role of energy saving and environmental protection, and the fresh air is purified and filtered before being exchanged for cold and heat. The ash is accumulated in the wind heat exchanger, which can reduce the maintenance work of the fresh air heat exchanger and greatly extend the service life of the fresh air heat exchanger.

[Description of the Drawings]

1 is a schematic view showing the structure of a deodorizing air conditioner with a cleaning function according to the present invention.

The numbers in the figure indicate:

1, air conditioning outside the machine; 2, air conditioning internal machine; 21, air supply port; 22, return air outlet; 23, air cooler; 24, blower; 3, refrigerant pipeline; 4, fresh air pipeline; 41, the first section of the air duct; Middle section air inlet duct; 43, end section air inlet duct; 5, exhaust duct; 51, first section exhaust duct; 52, middle section exhaust duct; 53, end section exhaust duct; 531, exhaust fan; 61, the first return air branch pipe; 62, the first return air three-way valve; 63, the second return air three-way valve; 64, the second return air branch pipe; 65, the third return air three-way valve; 7, fresh air Heat exchanger; 71, fresh air branch pipe; 711, air inlet switching three-way valve; 712, air supply switching three-way valve; 72, exhaust pipe branch; 721, first exhaust air switching three-way valve; 722, second exhaust Switching three-way valve; 8, electrostatic dust filter; 81, inlet pipe; 811, water inlet and outlet valve; 82, drain pipe; 821, drainage on-off valve; 83, pump; 9, air inlet flap valve; 10, the wind flap valve; 11, the controller.

【detailed description】

The invention will be further described in detail below in conjunction with the drawings and specific embodiments.

As shown in FIG. 1 , the air conditioner includes an air conditioner outer unit 1 and an air conditioner inner unit 2, and a refrigerant duct 3 is connected between the air conditioner outer unit 1 and the air conditioner inner unit 2, and the air conditioner is connected to the air conditioner. The air conditioner 21 is provided with an air supply port 21 and a return air outlet 22, and the air outlet 21 is provided with a surface cooler 23 and a blower 24, and the air conditioner inner unit 2 is provided with a fresh air heat exchanger 7 and an electrostatic dust filter 8 Integrating a fresh air device and a set of dehumidification devices into the air conditioner internal unit 2 to form a complete system machine, which can simultaneously achieve temperature regulation, fresh air supply and dust removal and removal, and the system is not The structure of the three devices is simply docked and superimposed, but through a reasonable layout, the pipeline structure is greatly simplified, and the organic combination of the three is integrated, so that the structure is simple and compact, the space is small, and the installation is greatly improved. The electrostatic dust filter 8 is electrostatically dust-removed, capable of purifying and filtering fresh air, and capable of removing PM2.5 micro particles. The electrostatic dust filter 8 is provided with an inlet pipe 81 and drainage. Tube 8 2, with a water cleaning function (may be spray cleaning or water storage cleaning, in this embodiment is a water storage type cleaning), in use, the water is introduced from the inlet pipe 81 into the electrostatic precipitator filter 8 to the internal static electricity The dust removing component is cleaned, and the dust on the electrostatic dust removing component is completely detached by the cleaning action of the water. Opening the drain pipe 82 can discharge the sewage, complete the automatic cleaning function, no consumables, no replacement, disassembly and assembly, low maintenance cost and convenient use, The energy-saving and environmental protection effect is remarkable; the air supply port 21 is provided with a fresh air duct 4 connected to the outdoor via the fresh air heat exchanger 7, and the air return port 22 is provided with an air exhaust duct 5 connected to the outdoor via the fresh air heat exchanger 7, and the electrostatic dust filter 8 is provided Between the fresh air heat exchanger 7 and the air inlet of the fresh air duct 4, the fresh air enters the fresh air duct 4 from the air inlet on the wall, and then enters the electrostatic precipitator filter 8, and the fresh air purified by the filter After the fresh air heat exchanger 7 and the blower 24 enter the room from the air supply port 21, the purifying effect on the fresh air removing is achieved, and the indoor air can enter the exhaust duct 5, and is cooled by the fresh air heat exchanger 7 with the fresh air. After heat exchange, it is discharged to the outside through the air outlet on the wall. The fresh air heat exchanger 7 plays an energy-saving and environmental protection role, and the fresh air is first purified and filtered before being exchanged for cold and heat, so that the inner air heat exchanger 7 can be prevented from accumulating. The ash, thereby reducing the maintenance work on the fresh air heat exchanger 7, greatly extends the service life of the fresh air heat exchanger 7.

In the present embodiment, the electrostatic precipitator filter 8 is provided with a water pump 83 for introducing water from the inlet pipe 81 into the electrostatic precipitator filter 8. In use, the inlet pipe 81 on the electrostatic precipitator filter 8 can be externally connected. The water source is connected, and the pump 83 is turned on again, so that water is injected from the inlet pipe 81 into the water storage area of the electrostatic precipitator filter 8. After the electrostatic precipitator assembly is cleaned, the accumulated water is discharged from the drain pipe 82, and the structure is simple and easy. achieve.

In other embodiments, the water inlet pipe 81 on the electrostatic precipitator filter 8 can be connected to the water pipe of the indoor environment, and the cleaning function of the electrostatic dust removal component can be realized in real time, and the structure is simple and convenient to use.

In the embodiment, the water inlet pipe 81 is provided with an inlet water on/off valve 811, and the drainage pipe 82 is provided with a water discharge on/off valve 821, and the water inlet and outlet valve 811 is opened and closed to control the water injection amount, and then The opening and closing of the drain on-off valve 821 is used to discharge the accumulated water, and the structure is simple and practical.

In this embodiment, the fresh air duct 4 includes a first section air inlet duct 41, a middle section air inlet duct 42 and a last section air inlet duct 43, the electrostatic precipitator filter 8 is located on the first section air inlet duct 41, and the fresh air heat exchanger 7 is located on the middle section air inlet duct 42. The blower 24 is located on the last stage air inlet duct 43 and is close to the air supply port 21. In this structure, the fresh air is first purified and filtered by the electrostatic precipitator filter 8 to remove the PM2.5 microparticles, and then cooled by the fresh air heat exchanger 7. Heat exchange, fresh air first purification and filtration and then cold and heat exchange, suitable for areas with small indoor and outdoor temperature difference in the south, its structure is simple and easy to use.

In the present embodiment, the fresh air heat exchanger 7 includes a fresh air branch pipe 71 for avoiding the fresh air heat exchanger 7, and the first air inlet pipe 41 passes through the air inlet switching three-way valve 711 of the switchable outlet, the fresh air branch pipe 71 and the middle air inlet pipe 42. Connected, the last stage air inlet duct 43 is connected to the fresh air branch pipe 71 and the middle air inlet pipe 42 through the air supply switching three-way valve 712 of the switchable inlet. In this configuration, the switching direction of the outlet is switched by the air inlet switching three-way valve 711 and The switching of the air supply switching three-way valve 712 to the opening and closing direction of the inlet can control the fresh air from the middle air inlet pipe 42 to the final air inlet pipe 43 via the fresh air heat exchanger 7 or the fresh air directly enters the final air inlet pipe 43 from the fresh air branch pipe 71, and finally The air supply port 21 enters the room, and is suitable for a time period in which hot and cold exchange is required to reduce energy consumption or a temperature difference between indoor and outdoor is small, and cold and heat exchange is not required, and the structure is simple and the design is ingenious.

In this embodiment, the exhaust duct 5 includes a first exhaust duct 51, a middle exhaust duct 52, and a final exhaust duct 53, the fresh air heat exchanger 7 is located on the middle exhaust duct 52, and the last exhaust duct 53 is provided. There is an exhaust fan 531. In this structure, the indoor air passes through the first exhaust duct 51 and enters the fresh air heat exchanger 7 on the middle exhaust duct 52, and performs hot and cold exchange with the fresh air, and then passes through the last exhaust duct 53 and It is discharged from the air outlet to the outside under the action of the exhaust fan 531, and has a simple structure and a user. Will.

In the present embodiment, the fresh air heat exchanger 7 further includes an exhaust manifold 72 for escaping the fresh air heat exchanger 7, and the first exhaust duct 51 passes through the first exhaust venting three-way valve 721 and the exhaust branch pipe of the switchable outlet. 72 is connected to the middle exhaust duct 52, and the last exhaust duct 53 is connected to the exhaust branch pipe 72 and the middle exhaust duct 52 through the second exhaust air switching three-way valve 722 of the switchable inlet. In the structure, in the structure, By switching the outlet opening and closing direction by the first exhaust switching three-way valve 721 and switching the inlet opening and closing direction by the second exhaust switching three-way valve 722, the indoor air can be controlled to be switched from the first exhaust to the three-way valve 721. The fresh air heat exchanger 7 enters the final exhaust duct 53 or the indoor air directly enters the final exhaust duct 53 from the exhaust branch pipe 72, and is finally discharged from the air outlet to the outside, and is suitable for cooling and heat exchange to reduce energy consumption. The time zone or the indoor and outdoor temperature difference is small, and the time of cold and heat exchange is not required, and the structure is simple and the design is ingenious.

In this embodiment, a return air duct 6 is disposed between the fresh air duct 4 and the exhaust duct 5, and the return air duct 6 includes a first return air branch duct 61 between the return air duct 22 and the fresh air heat exchanger 7. The first return air three-way valve 62 is provided with a switchable outlet, and the fresh air duct 4 is provided with a switchable inlet second return air three-way valve 63 between the air supply port 21 and the fresh air heat exchanger 7, and the first return air three-way valve The valve 62 and the second return air three-way valve 63 are connected by a first return air branch pipe 61. In this configuration, the first return air three-way valve 62 switches the outlet opening and closing direction and the second return air three-way valve 63 The switching of the inlet and outlet directions ensures that the air of better indoor quality can enter the air supply port 21 through the first return air branch pipe 61, and then enter the room from the air supply port 21 to achieve better indoor air circulation, and the structure is simple. Practical, energy saving and environmental protection.

In this embodiment, the return air duct 6 further includes a second return air branch pipe 64. The fresh air duct 4 is provided with a third return air three-way valve 65 for switching the inlet at the air inlet end of the electrostatic precipitator filter 8, and the third return air three The valve 65 is connected to the first return air branch pipe 61 via the second return air branch pipe 64. In this configuration, the third air return three-way valve 65 switches the direction of the inlet and outlet, and the air in the room can be second. The wind branch pipe 64 enters the electrostatic precipitator filter 8 for purification and filtration, and then enters the room through the fresh air duct 4 to realize the circulation of the indoor air, and is suitable for filtering and purifying the return air of the indoor air, and has the advantages of simple structure and convenient use.

In other embodiments, a three-way valve may be additionally disposed on the exhaust duct 5 near the first return air three-way valve 62. One end of the second return air branch 64 is connected to the three-way valve, and the other end is connected to the third. The air three-way valve 65 is connected, so that the indoor air can enter the electrostatic precipitator filter 8 through the second return air branch pipe 64 for purification and filtration, and then enter the room through the fresh air duct 4, or replace the first return air three-way valve 62 with a four-way valve, one end of the second return air branch pipe 64 is connected with the four-way valve, and the other end is connected with the third return air three-way valve 65, so that the indoor air can enter the electrostatic dust removal filter through the second return air branch pipe 64. 8 Purification and filtration, and then enter the room through the fresh air duct 4, in order to realize the indoor air circulation, suitable for indoor air filtration and purification and return air, the structure is simple and the use is very convenient.

In this embodiment, the air inlet of the fresh air duct 4 is provided with an air inlet flap valve 9 that can be switched on and off, and the air outlet of the air exhaust duct 5 is provided with an air outlet flap valve 10 that can be switched on and off. Between the machine 1 and the air conditioner 2 is also equipped for control The air inlet flap valve 9 and the air outlet flap valve 10 are opened and closed and a controller 11 for controlling the switching direction of each three-way valve is opened and closed, and the air inlet flap valve 9 and the air outlet flap valve are controlled by the controller 11 The opening and closing of 10 to ensure normal air intake and exhaust ventilation, the controller 11 can also control the position switching of the valve plates in each three-way valve (the valve plates in each three-way valve can realize the switching of two positions, As shown in Figure 1, the A and B positions of the three-way valve), when the valve plate is in the A position, the B position of the three-way valve is connected, when the valve plate is at the B position, the three-way valve The A position is connected, the structure is simple and reliable, and the free switching of various states such as air inlet, exhaust air and return air is ensured, which greatly improves the applicable range of the air conditioner of the system.

In this embodiment, in the embodiment, the air outlet of the exhaust duct 5 faces the radiator of the air conditioner outside machine 1, and since the air outlet faces the radiator of the air conditioner outside machine 1, the indoor air blows to the outside of the air conditioner. 1 cooling and cooling, can reduce the operating power of the air conditioner outside the machine 1, further play a role in energy saving.

Although the invention has been disclosed above in the preferred embodiments, it is not intended to limit the invention. Any person skilled in the art can make many possible variations and modifications to the technical solutions of the present invention by using the above-disclosed technical contents, or modify the equivalent implementation of equivalent changes without departing from the scope of the technical solutions of the present invention. example. Therefore, any simple modifications, equivalent changes, and modifications to the above embodiments in accordance with the teachings of the present invention should fall within the scope of the present invention.

Claims

A de-icing air conditioner with a cleaning function, comprising an air conditioner outer unit (1) and an air conditioner inner unit (2), wherein a refrigerant pipe (3) is connected between the air conditioner outer unit (1) and the air conditioner inner unit (2), The air conditioner (2) is provided with an air supply port (21) and a return air outlet (22), and the air supply port (21) is provided with a surface cooler (23) and a blower (24), wherein: The air conditioner (2) is provided with a fresh air heat exchanger (7) and an electrostatic precipitator filter (8), and the air supply port (21) is provided with a fresh air duct connected to the outdoor via a fresh air heat exchanger (7). (4) The air return port (22) is provided with an exhaust duct (5) connected to the outdoor via a fresh air heat exchanger (7), and the electrostatic precipitator filter (8) is disposed in the fresh air heat exchanger (7) Between the air inlet of the fresh air duct (4), the electrostatic precipitator filter (8) is connected with an inlet pipe (81) for cleaning and a drain pipe (82) for discharging sewage.
The anti-smoke air conditioner with a cleaning function according to claim 1, wherein the electrostatic precipitator filter (8) is provided with a water for introducing water from the inlet pipe (81) into the electrostatic precipitator filter (8). Pump (83).
The de-icing air conditioner with cleaning function according to claim 1, characterized in that: the fresh air duct (4) comprises a first section air inlet duct (41), a middle section air inlet duct (42) and a last section air inlet duct (43). The electrostatic precipitator filter (8) is located on the first inlet duct (41), the fresh air heat exchanger (7) is located on the middle inlet duct (42), and the blower (24) is located on the end inlet duct (43) and close to the The air supply port (21) is described.
A deodorizing air conditioner with a cleaning function according to claim 3, characterized in that said fresh air heat exchanger (7) comprises a fresh air branch pipe (71) for escaping the fresh air heat exchanger (7), said first section of the air inlet The tube (41) is connected to the fresh air branch pipe (71) and the middle air inlet pipe (42) through the inlet air switching three-way valve (711) of the switchable outlet, and the final air inlet pipe (43) is switched by the air supply of the switchable inlet The three-way valve (712) is connected to the fresh air branch pipe (71) and the middle air inlet pipe (42).
The de-icing air conditioner with cleaning function according to claim 1, characterized in that: the exhaust duct (5) comprises a first exhaust duct (51), a middle exhaust duct (52) and a final exhaust duct (53) The fresh air heat exchanger (7) is located on the middle exhaust duct (52), and the exhaust duct (53) is provided with an exhaust fan (531).
A deodorizing air conditioner with a cleaning function according to claim 5, characterized in that said fresh air heat exchanger (7) further comprises an exhaust manifold (72) for avoiding the fresh air heat exchanger (7), said The first exhaust duct (51) is connected to the exhaust branch pipe (72) and the middle exhaust pipe (52) through the first exhaust air switching three-way valve (721) of the switchable outlet, and the end exhaust pipe (53) The second exhaust air switching three-way valve (722) is connected to the exhaust manifold (72) and the middle exhaust duct (52) through the switchable inlet.
The de-icing air conditioner with cleaning function according to claim 1, characterized in that: between the fresh air duct (4) and the exhaust duct (5), a return air duct (6) is provided, and the return air duct ( 6) including the first return air branch (61), The exhaust duct (5) is provided with a first return air three-way valve (62) capable of switching the outlet between the return air inlet (22) and the fresh air heat exchanger (7), and the fresh air duct (4) is sent A switchable inlet second return air three-way valve (63) is provided between the tuyere (21) and the fresh air heat exchanger (7), the first return air three-way valve (62) and the second return air three-way valve (63) connected by the first return air branch pipe (61).
The deodorizing air conditioner with cleaning function according to claim 7, wherein the return air duct (6) further comprises a second return air branch pipe (64), and the fresh air duct (4) is disposed on the electrostatic dust removing filter (8) The air inlet end is provided with a third return air three-way valve (65) that can switch the inlet, and the third return air three-way valve (65) passes through the second return air branch pipe (64) and the first return air branch pipe (61) Connection.
The de-icing air conditioner with a cleaning function according to any one of claims 1 to 8, characterized in that: the air inlet of the fresh air duct (4) is provided with an air inlet flap valve that can be switched on and off (9). The air outlet of the exhaust duct (5) is provided with an air outlet flap valve (10) that can be switched on and off.
The deodorizing air conditioner with a washing function according to any one of claims 1 to 8, characterized in that the inlet pipe (81) is provided with an inlet water on/off valve (811), and the drain pipe (82) The top is equipped with a drain on/off valve (821).
The de-icing air conditioner with a cleaning function according to any one of claims 1 to 8, characterized in that the air outlet of the exhaust duct (5) faces the radiator of the air conditioner outer unit (1).