WO2023273408A1

WO2023273408A1 - Air conditioner indoor unit, air conditioner, and method for controlling partitioned air supply of air conditioner

Info

Publication number: WO2023273408A1
Application number: PCT/CN2022/080405
Authority: WO
Inventors: 延廷琪; 吕福俊; 孙治国; 陈朋
Original assignee: 青岛海尔空调器有限总公司; 青岛海尔空调电子有限公司; 海尔智家股份有限公司
Priority date: 2021-06-29
Filing date: 2022-03-11
Publication date: 2023-01-05
Also published as: CN113483406A; CN113483406B

Abstract

Provided in the present application are an air conditioner indoor unit, an air conditioner, and a method for controlling a partitioned air supply of an air conditioner. The air conditioner indoor unit comprises: a pair of evaporators sleeved outside a cross-flow fan, refrigerant inlets of the pair of evaporators being arranged adjacent to each other; and a plurality of air deflector assemblies connected in sequence. Each of the air deflector assemblies is arranged outside the evaporators, and comprises: a pair of annular rails oppositely arranged in a lengthwise direction of the cross-flow fan, the two annular rails adjacently, which are arranged in each of the air deflector assemblies, being connected to each other; and a pair of first air deflectors, two sides of each of the two first air deflectors being respectively embedded in the pair of annular rails and being able to slide along the annular rails, an air outlet being formed between first ends of the two first air deflectors and an air inlet being formed between second ends thereof, and the two refrigerant inlets are arranged corresponding to one of the air outlets; and an infrared thermometer arranged on any one of the first air deflectors. By means of the air conditioner indoor unit provided in the present application, partitioned air supply is achieved.

Description

Air conditioner internal unit, air conditioner and air conditioner partition air supply control method

Cross References to Related Applications

This application claims the priority of the Chinese patent application filed on June 29, 2021 with the application number 202110725953.4, entitled "Control method for air conditioner internal unit, air conditioner and air conditioner partition air supply", which is incorporated by reference in its entirety into this article.

technical field

The present application relates to the technical field of air-conditioning equipment, and in particular to an air-conditioning inner unit, an air conditioner, and a method for controlling air supply in zones of an air conditioner.

Background technique

In summer, especially in the south, the weather is extremely hot, resulting in high indoor temperature, and there will inevitably be temperature differences in the room, especially in houses with poor orientation, such as houses that are exposed to the west, the temperature difference in the room is even greater. Existing air conditioners are unable to perform zonal cooling for areas with different temperatures in the room to achieve temperature balance in the room.

Contents of the invention

The application provides an air conditioner internal unit, an air conditioner, and a method for controlling air supply in zones of the air conditioner, so as to solve the defect that the air conditioner in the prior art cannot supply air in zones.

The application provides an air conditioner internal unit, comprising: a pair of evaporators, the pair of evaporators are sheathed on the outside of the cross-flow fan, and the refrigerant inlets of the pair of evaporators are adjacently arranged; multiple groups of sequentially connected The air deflector assembly, each set of the air deflector assembly is arranged outside the evaporator, each set of the air deflector assembly includes: a pair of circular tracks, a pair of circular tracks along the The length direction of the cross-flow fan is oppositely arranged, and the two circular ring tracks arranged adjacently in each group of the wind deflector assemblies are connected to each other; a pair of first wind deflectors, two of the first wind deflectors The two sides are respectively embedded in a pair of circular rails, and can slide along the circular rails. An air outlet is formed between the first ends of the two first air deflectors. An air inlet is formed between the second ends of the first air deflector, wherein two refrigerant inlets and one air outlet are arranged correspondingly; an infrared thermometer is arranged at any one of the first air outlets. a wind deflector.

According to an air conditioner indoor unit provided by the present application, the number of the air deflector assemblies is three.

According to an air conditioner internal unit provided by the present application, the evaporator is a heat exchange tube, and the heat exchange tube is spirally wound on the outside of the cross-flow fan, and the refrigerant inlet and the air outlet of the middle set of air deflector components corresponding settings.

According to an air conditioner indoor unit provided by the present application, a flange is provided at the first end of each of the first air deflectors, and a plurality of second air deflectors are arranged at equal intervals between the two flanges, and each The two ends of the second wind deflector are respectively rotatably connected with the two flanges.

According to an air conditioner indoor unit provided in the present application, the angle of the air outlet is smaller than the angle of the air inlet, wherein the angle of the air inlet is larger than 180°.

According to an air conditioner indoor unit provided by the present application, the angle of the air inlet is 230°.

According to the air conditioner indoor unit provided by the present application, it further includes a pair of brackets, and the two ends of the cross-flow fan, the first circular track and the last circular track are respectively connected to the brackets.

The present application also provides an air conditioner, including the above-mentioned air conditioner inner unit.

The present application also provides a method for controlling air supply in different regions of an air conditioner, including: obtaining human body temperature, human body position information, the highest temperature in the room, and the position information of the highest temperature point; comparing the human body temperature with the highest temperature in the room Temperature: According to the comparison result, the air outlet opposite to the refrigerant inlet is controlled to blow to the position with high temperature, and the remaining air outlets are blown to the position with low temperature.

According to the method for controlling air supply in different zones of an air conditioner provided in the present application, it further includes: obtaining the highest temperature and the lowest temperature in the room after the preset time for the air supply in different zones; judging the difference between the highest temperature and the lowest temperature Whether the difference is less than or equal to a preset value; if the difference between the maximum temperature and the minimum temperature is less than or equal to the preset value, then execute the normal mode, if the difference between the maximum temperature and the minimum temperature If it is greater than the preset value, then continue to implement the zoned air supply mode.

In the air conditioner inner unit provided by this application, by arranging the refrigerant inlets of the two evaporators adjacent to each other, the air outlet opposite to the refrigerant inlet can have a better cooling or heating effect; The indoor unit of the air conditioner has multiple air outlets, which realizes the air supply in different regions; by setting a circular track, the first air deflector can slide along the circular track, thereby adjusting the air outlet position of each air outlet, and each air outlet The air outlet position and air outlet temperature are different, and the corresponding cooling or heating can be performed on the different temperature positions in the room, so that the temperature in the room can be quickly balanced.

Description of drawings

In order to more clearly illustrate the technical solutions in this application or the prior art, the accompanying drawings that need to be used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the accompanying drawings in the following description are the present For some embodiments of the application, those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is a schematic structural view of an air conditioner internal unit provided by the present application;

Fig. 2 is a schematic structural view of the evaporator shown in Fig. 1;

Fig. 3 is the flow chart of the control method of air conditioner partition air supply provided by the present application;

Reference signs:

10: The first wind deflector; 11: The circular track; 12: The second wind deflector;

20: Cross-flow fan; 30: Evaporator; 31: Refrigerant inlet;

32: Refrigerant outlet; 40: Infrared thermometer; 50: Bracket;

101: Flange.

detailed description

In order to make the purpose, technical solutions and advantages of this application clearer, the technical solutions in this application will be clearly and completely described below in conjunction with the accompanying drawings in this application. Obviously, the described embodiments are part of the embodiments of this application , but not all examples. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application.

The features of the terms "first" and "second" in the description and claims of the present application may explicitly or implicitly include one or more of these features. In the description of the present application, unless otherwise specified, "plurality" means two or more.

The air conditioner internal unit, the air conditioner, and the control method of air conditioner zonal air supply of the present application will be described below with reference to FIGS. 1-3 .

As shown in FIG. 1 , in one embodiment of the present application, the air conditioner indoor unit includes: a cross-flow fan 20 , a pair of evaporators 30 , multiple sets of air deflector assemblies and an infrared thermometer 40 . A pair of evaporators 30 is sheathed on the outside of the cross-flow fan 20 , and the refrigerant inlets 31 of the pair of evaporators 30 are adjacent to each other. Multiple groups of wind deflector assemblies are connected sequentially to form a whole, and are arranged outside the evaporator 30 . Each group of wind deflector assemblies includes: a pair of circular ring tracks 11 and a pair of first wind deflectors 10 . A pair of ring-shaped rails 11 are arranged opposite to each other along the length direction of the cross-flow fan 20. The two adjacent ring-shaped rails 11 in each group of air deflector assemblies are connected to each other. The two sides of the two first air deflectors 10 are respectively Embedded in a pair of circular rails 11, and can slide along the circular rails 11, an air outlet is formed between the first ends of the two first wind deflectors 10, and the first ends of the two first wind deflectors 10 An air inlet is formed between the two ends, wherein two refrigerant inlets 31 are arranged correspondingly to one air outlet. The infrared thermometer 40 is arranged on any one of the first air deflectors 10 .

Specifically, two evaporators 30 are sheathed on the outside of the cross-flow fan 20, and the refrigerant inlets 31 of the two evaporators 30 are arranged close to each other. The air outlet temperature of the air outlet of the refrigerant inlet 31 is higher; correspondingly, during heating, the air outlet temperature of the air outlet corresponding to the two refrigerant inlets 31 is the highest, and the air outlet temperature of the air outlet far away from the refrigerant inlet 31 is lower. Further, in one embodiment of the present application, optionally, the evaporator 30 can be a heat exchange tube, and the heat exchange tube is wound in a spiral shape outside the cross-flow fan 20; the evaporator 30 can also be an annular heat exchanger , A cavity is formed between the inner wall and the outer wall of the annular heat exchanger, and the refrigerant flows in the cavity, and the annular heat exchanger is sleeved outside the cross-flow fan 20 .

Each first air deflector 10 can slide along the circular track 11 to adjust the air outlet position of the air outlet. Specifically, in this embodiment, the first wind deflector 10 is a plate-shaped member with a radian, and the two first wind deflectors 10 in each group of wind deflector assemblies slide along the circular track 11 at the same time, so as to Adjust the air outlet position of each air outlet. Furthermore, when the two first air deflectors 10 slide along the circular track 11 , the distance between the first ends of the two first air deflectors 10 can also be adjusted to adjust the size of the air outlet. It can be understood that: in this embodiment, the shape of the air conditioner inner unit is a cylinder.

Further, in an embodiment of the present application, the number of wind deflector assemblies may be two, three or more. When the number of air deflector assemblies is two groups, the two refrigerant inlets 31 correspond to any one of the air outlets at the same time, that is, one air outlet is used to cool the area with high temperature in the room, and the other air outlet is used to cool the room temperature. Cool down low areas. When the number of air deflector assemblies is three groups, the two refrigerant inlets 31 correspond to the air outlet in the middle, the air outlet in the middle is used to cool the area with high temperature in the room, and the remaining two air outlets are used to cool the air in the room. Refrigerate cold areas.

The infrared thermometer 40 uses infrared thermal imaging technology to detect the temperature in the room and the temperature of the human body, and captures the position corresponding to each temperature. During actual use, the infrared thermometer 40 detects the highest temperature in the room and the position corresponding to the highest temperature point. The controller controls the two first air deflectors 10 corresponding to the refrigerant inlet 31 to slide along the circular track 11, so that the air outlet opposite to the refrigerant inlet 31 is adjusted to a position opposite to the highest temperature point in the room and blows directly to this position , because this air outlet is set adjacent to the refrigerant inlet 31, the temperature is the lowest, and the highest temperature can be quickly cooled, while the rest of the air outlets are far away from the refrigerant inlet 31, and the temperature is relatively high, which can cool other low-temperature places in the room. location for cooling.

In the air-conditioning indoor unit provided in the embodiment of the present application, by arranging the refrigerant inlets of the two evaporators adjacent to each other, the air outlet opposite to the refrigerant inlet can have a better cooling or heating effect; , so that the inner unit of the air conditioner has multiple air outlets, which realizes the air supply in different regions; by setting a circular track, the first air deflector can slide along the circular track, thereby adjusting the air outlet position of each air outlet, each The outlet position and outlet temperature of the air outlet are different, so that the temperature in the room can be cooled or heated accordingly, and the temperature in the room can be quickly balanced.

As shown in FIG. 1 , in one embodiment of the present application, there are three groups of wind deflector assemblies. Specifically, the two refrigerant inlets 31 correspond to the air outlets formed by the first air deflectors 10 in the middle group, the middle air outlets are used to cool the places with high temperature in the room, and the remaining two air outlets are used to cool Cooling is performed at low temperature locations in the room.

As shown in FIG. 2 , in one embodiment of the present application, the evaporator 30 is a heat exchange tube, and the heat exchange tube spirally surrounds the outside of the cross-flow fan 20 , and the two refrigerant inlets 31 are located in the middle of the cross-flow fan 20 . The refrigerant enters the heat exchange tube through the refrigerant inlet 31 , exchanges heat with the indoor air, and is discharged through the refrigerant outlet 32 . During the flow of the refrigerant, due to heat exchange with the indoor air, the outlet air temperature at the refrigerant inlet 31 is the lowest, and the outlet air temperature near the two ends of the cross-flow fan 20 is higher.

Furthermore, in this embodiment, the two heat exchange tubes are spiral and arranged symmetrically. Compared with the hairpin tubes of traditional evaporators, there is no U-shaped bend and the pressure loss is lower. When heating, the air outlet temperature is higher than that of the traditional evaporator.

As shown in Figure 1, in one embodiment of the present application, a flange 101 is provided at the first end of each first wind deflector 10, and a plurality of second wind deflectors are arranged at equal intervals between the two flanges 101. Plate 12 , two ends of each second air guide plate 12 are respectively rotatably connected with two flanges 101 .

Specifically, an air outlet is formed between the two first ends of the two first wind deflectors 10 of each group of wind deflector assemblies. When the two first wind deflectors 10 slide along the circular track 11, The position of the air outlet is adjusted, that is, the adjustment of the upper and lower air guides of the air outlet is realized. A plurality of second air deflectors 12 are arranged between each air outlet, and the second air deflectors 12 are connected to the flange 101 in rotation, so that the left and right air guides of the air outlet can be adjusted.

Further, both ends of each second air deflector 12 can be connected to the flange 101 of the first air deflector 10 through a rotation shaft, and the second air deflector 12 can rotate around the rotation axis to adjust the second air deflector. The position of the plate 12. Further, in an embodiment of the present application, the rotation angle of the second wind deflector 12 is 180°, so as to realize the lateral 180° wind outlet.

Further, in one embodiment of the present application, the angle between the first ends of the two first wind deflectors 10 of each set of wind deflector assemblies is smaller than the angle between the second ends of the two first wind deflectors 10 The angle of the air outlet, that is, the angle of the air outlet is smaller than the angle of the air inlet, specifically, the angle of the air inlet is greater than 180°, so as to realize a large air inlet and improve the heat exchange effect.

Further, in an embodiment of the present application, the angle of the air inlet is 230°. Specifically, the angle between the second ends of the two first wind deflectors 10 of each group of wind deflector assemblies is 230°, that is, the angle between the two first wind deflectors 10 can slide along the circular track 11 With an angle of 230°, air can be supplied to the longitudinal range of 0°-230° in the room, and the air supply area is larger to quickly cool down the high temperature points in more locations.

As shown in FIG. 1 , in one embodiment of the present application, the air conditioner indoor unit further includes a pair of brackets 50 , and the two ends of the cross-flow fan 20 are respectively connected to the two brackets 50 to fix the cross-flow fan 20 . The first circular track 11 and the last circular track 11 are respectively connected with two brackets 50 to fix the wind deflector assembly. The bracket 50 can be connected with the wall to install the air conditioner indoor unit on the wall.

Taking the embodiment shown in FIG. 1 as an example, the working principle of the air conditioner inner unit provided by the present application will be described in detail below.

The infrared thermometer 40 uses infrared thermal imaging technology to detect the temperature in the room and the temperature of the human body, and captures the position corresponding to each temperature value. During actual use, the infrared thermometer 40 detects the highest temperature in the room and the location corresponding to the highest temperature. The controller controls the two first air deflectors 10 of the middle air deflector assembly to slide along the circular track 11, and makes the air outlet of the air deflector assembly correspond to the position of the highest temperature in the room and blow straight. This air outlet is arranged adjacent to the refrigerant inlet 31, and has the lowest temperature, which can quickly cool the highest temperature point, and the air outlets of the other two groups of air deflector assemblies can supply air to other positions in the room for cooling.

The embodiment of the present application also provides an air conditioner, including an air conditioner inner unit. The bracket 50 of the air conditioner internal unit is connected with the wall, so as to fix the air conditioner internal unit on the wall.

Specifically, the air conditioner internal unit includes multiple sets of air deflector assemblies, a cross-flow fan 20 , a pair of evaporators 30 , an infrared thermometer 40 and a pair of brackets 50 . Both ends of the cross-flow fan 20 are respectively connected to the brackets 50 , a pair of evaporators 30 are sheathed outside the cross-flow fan 20 , and the refrigerant inlets 31 of the two evaporators 30 are adjacent to each other. Multiple sets of air deflector assemblies are connected in sequence, and each set of air deflector assemblies is arranged outside the evaporator 30 .

Specifically, the pair of evaporators 30 are two heat exchange tubes, and the two heat exchange tubes are spirally wound outside the cross-flow fan 20 and arranged symmetrically. Each group of wind deflector assemblies includes: a pair of circular ring tracks 11 and a pair of first wind deflectors 10 . A pair of annular tracks 11 are oppositely arranged along the length direction of the cross-flow fan 20, and the two adjacent annular tracks 11 in each group of wind deflector assemblies are connected to each other, and the first annular track 11 and the last annular track 11 are connected to each other. The shaped rails 11 are respectively connected with the brackets 50 to fix the wind deflector assembly. Both sides of the two first air deflectors 10 are respectively embedded in a pair of circular rails 11, and can slide along the circular rails 11. A gap is formed between the first ends of the two first air deflectors 10. The air outlet and the air outlet are provided with a second air deflector 12 . Sliding the first air deflector 10 can realize the vertical air outlet position of the air outlet, and turning the second air deflector 12 can realize the left and right swing of the air outlet. An air inlet is formed between the second ends of the two first air deflectors 10 , and the angle of the air inlet is larger than that of the air outlet to achieve a large air intake.

Wherein, two refrigerant inlets 31 are arranged corresponding to one air outlet, and the air outlet temperature of this air outlet is the lowest, while the air outlet temperature of the other air outlets far away from the refrigerant inlet 31 is higher, so as to realize partitioned air supply. The infrared thermometer 40 is arranged on any one of the first air deflectors 10 to detect the temperature value in the room and the area corresponding to each temperature value. According to the highest temperature detected by the infrared thermometer 40 and the area corresponding to the highest temperature, the controller controls the first air deflector 10 opposite to the refrigerant inlet 31 to slide along the circular track 11, and makes the air deflector assembly The air outlet corresponds to the position of the highest temperature in the room and blows directly, and the air outlets of the remaining air deflector components can supply air and cool other positions in the room.

The air conditioner provided in the embodiment of the present application can perform partitioned air supply to areas with different temperatures in the room, and can achieve temperature balance in the room more quickly, improving the efficiency of cooling or heating.

As shown in FIG. 3 , the embodiment of the present application also provides a method for air supply of an air conditioner in zones, including the following steps:

Step 01: Acquire body temperature, body location information, maximum temperature in the room, and location information of the highest temperature point.

Specifically, the infrared thermometer 40 uses infrared thermal imaging technology to detect the temperature of each area in the room and the location of each temperature. At the same time, the infrared thermometer 40 can also detect the temperature of the human body and the location of the human body. Location.

Step 02: Compare the human body temperature with the highest temperature in the room; Step 03: According to the comparison result, control the air outlet opposite to the refrigerant inlet 31 to blow to the high temperature position, and the other air outlets to blow to the low temperature position.

Specifically, when the temperature of the human body is greater than the highest temperature in the room, at this moment, the air outlet opposite to the refrigerant inlet 31 adjusts its position to correspond to the position of the human body, and the remaining air outlets flow from the upper part of the human body to the two sides. Swing from side to side and let the cold air sink from above to form a circulation; when the temperature of the human body is lower than the maximum temperature in the room, at this time, the air outlet opposite to the refrigerant inlet 31 adjusts its position so that it is in line with the highest temperature in the room The position of the area is aligned, the air outlet blows directly to the area with the highest temperature, and the other air outlets blow from above the highest temperature point, allowing the cold air to sink from above to form a circulation; when the temperature of the human body is the same as the highest temperature in the room When the temperature is equal, the air outlet relative to the refrigerant inlet 31 adjusts its position, and the air outlet blows above the human body to allow cold air to sink down, and the remaining air outlet blows to both sides of the human body.

The air conditioner air supply method provided in the embodiments of the present application can supply air to different temperature areas in a room, realize temperature balance in the room more quickly, and improve cooling or heating efficiency.

Further, in one embodiment of the present application, the air conditioner partition air supply method further includes: obtaining the highest temperature and the minimum temperature in the room after the partition air supply preset time; judging the difference between the maximum temperature and the minimum temperature Whether the value is less than or equal to the preset value; if the difference between the highest temperature and the lowest temperature is less than or equal to the preset value, execute the normal mode; if the difference between the highest temperature and the lowest temperature is greater than the preset value, continue to execute the partition Air supply mode.

Specifically, after a certain period of time in the zonal air supply mode, the infrared detector 40 obtains the temperature of each area in the room again, which includes the highest temperature and the lowest temperature in the room, and compares the difference between the highest temperature and the lowest temperature with Assuming that the preset value is 1°C, that is, when the difference between the highest temperature and the lowest temperature in the room is less than or equal to 1°C, it means that the temperature in each area of the room has been basically balanced, and normal cooling can be performed at this time or heating mode; and when the difference between the highest temperature and the lowest temperature in the room is greater than 1°C, it indicates that the temperature in each area of the room has not been balanced, and it is still necessary to continue to implement the zonal air supply mode to adjust the temperature of each area in the room. to balance.

It can be understood that both the preset time and the preset value can be arbitrary values set manually.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, rather than limiting them; although the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: it can still Modifications are made to the technical solutions described in the foregoing embodiments, or equivalent replacements are made to some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the various embodiments of the present application.

Claims

An air conditioner internal unit, characterized in that it comprises:

A pair of evaporators, the pair of evaporators are sleeved outside the cross-flow fan, and the refrigerant inlets of the pair of evaporators are adjacently arranged;

Multiple sets of air deflector assemblies connected in sequence, each set of air deflector assemblies is arranged outside the evaporator, and each set of air deflector assemblies includes:

A pair of circular tracks, a pair of circular tracks are arranged opposite to each other along the length direction of the cross-flow fan, and two adjacent circular tracks in each group of the wind deflector assembly are connected to each other;

A pair of first air deflectors, the two sides of the two first air deflectors are respectively embedded in a pair of circular tracks, and can slide along the circular tracks, and the two first air deflectors An air outlet is formed between the first ends of the first air deflector, and an air inlet is formed between the second ends of the two first air deflectors, wherein two of the refrigerant inlets are arranged correspondingly to one of the air outlets;

An infrared thermometer, the infrared thermometer is arranged on any one of the first air deflectors.
The air conditioner indoor unit according to claim 1, wherein the number of the air deflector assemblies is three.
The air conditioner indoor unit according to claim 2, wherein the evaporator is a heat exchange tube, and the heat exchange tube is spirally wound on the outside of the cross-flow fan, and the refrigerant inlet and the middle group of air deflectors The corresponding setting of the air outlet of the component.
The air conditioner indoor unit according to claim 1, wherein a flange is provided at the first end of each of the first air deflectors, and a plurality of second air guides are arranged at equal intervals between the two flanges. As for the wind plate, both ends of each second wind deflector are respectively rotatably connected to the two flanges.
The air conditioner indoor unit according to claim 1, wherein the angle of the air outlet is smaller than the angle of the air inlet, wherein the angle of the air inlet is larger than 180°.
The air conditioner indoor unit according to claim 5, wherein the angle of the air inlet is 230°.
The air conditioner indoor unit according to claim 1, further comprising a pair of brackets, the two ends of the cross-flow fan, the first circular track and the last circular track are respectively connected to the brackets.
An air conditioner, characterized by comprising the air conditioner inner unit according to any one of claims 1-7.
A control method for zoned air supply of an air conditioner, characterized in that it comprises:

Obtain human body temperature, human body location information, the highest temperature in the room, and the location information of the highest temperature point;

comparing the body temperature with the highest temperature in the room;

According to the comparison result, the air outlet opposite to the refrigerant inlet is controlled to blow to the position with high temperature, and the remaining air outlets are blown to the position with low temperature.
The method for controlling air supply in different regions of an air conditioner according to claim 9, further comprising:

Get the maximum and minimum temperature in the room after the preset time of zone air supply;

judging whether the difference between the highest temperature and the lowest temperature is less than or equal to a preset value;

If the difference between the highest temperature and the lowest temperature is less than or equal to a preset value, the normal mode is executed, and if the difference between the highest temperature and the lowest temperature is greater than a preset value, the partitioning is continued Air supply mode.