WO2017024636A1

WO2017024636A1 - Indoor unit of air conditioner and method for controlling indoor air outlet of air conditioner

Info

Publication number: WO2017024636A1
Application number: PCT/CN2015/088538
Authority: WO
Inventors: 王磊; 李金波; 戚文端; 邹丁山; 刘湍顺; 齐涛; 孙泽成
Original assignee: 广东美的制冷设备有限公司; 美的集团股份有限公司
Priority date: 2015-08-07
Filing date: 2015-08-31
Publication date: 2017-02-16
Also published as: CN105180270A; CN105180270B

Abstract

Disclosed is an indoor unit of an air conditioner, which is provided with an air outlet (10), an air guide plate (20), a first air dissipation plate (30), a second air dissipation plate (40), a controller, a temperature detector, and a humidity detector, wherein the first air dissipation plate (30) and the second air dissipation plate (40) are both provided with a plurality of vent holes, the temperature detector is used to detect an indoor temperature and the humidity detector is used to detect an environment humidity, when determining whether the indoor unit of the air conditioner enters a pre-set operation mode, the controller controls the first air dissipation plate (30) and the second air dissipation plate (40) to open the air outlet (10) and controls the air guide plate (20) to rotate by a pre-set angle to partially cover the air outlet (10), and after the indoor unit of the air conditioner has entered the pre-set operation mode, the controller controls the first air dissipation plate (30) and the second air dissipation plate (40) to be located at different rotation positions according to the indoor temperature and the environment humidity to cover the air outlet (10). Further disclosed is a method for controlling an indoor air outlet of an air conditioner.

Description

Air conditioner indoor unit and air conditioner indoor air outlet control method

Technical field

The invention relates to the technical field of air conditioners, in particular to an air conditioner indoor unit and an air outlet indoor air outlet control method.

Background technique

In the current summer air conditioner, in order to quickly reduce the indoor temperature, the temperature of the air outlet of the air conditioner is generally between 10 ° C and 15 ° C, and the temperature of the human body surface is generally between 30 ° C and 33 ° C. "Cold wind" direct blowing people will cause the human sweat gland to close, affecting normal metabolism and secretion. Staying in the air-conditioned room for a long time to blow "cold wind" will produce an "air conditioning disease."

《GB_T18049-2000 In the Medium Thermal Environment, the Measurement of PMV and PPD Index and the Regulations for Thermal Comfort Conditions, the eddy current intensity (DR) is defined as the degree of coldness of the body caused by air flow. The vortex airflow intensity is used to predict the percentage of people affected by the airflow. The vortex airflow intensity (DR) can be calculated as follows:

DR=(34-Ta)(V-0.05)0.62(0.37×V×Tu+3.14) where: DR---the vortex flow intensity, that is, the percentage that is unsatisfactory because of the vortex flow; Ta--- Local air temperature, °C; V --- Local average air flow rate, m / s; Tu - local turbulence intensity, which is defined as the ratio of the standard deviation of the local air flow rate to the local average air flow rate, %.

Generally, the DR value is within 20, and the ambient wind speed can be considered to be comfortable. That is, 20% of people are affected by the airflow and feel a cold feeling in the body. The ambient air state is recognized as comfortable by 80% of people.

Conventional air conditioners usually operate at a constant wind speed during cooling operation to ensure the indoor ambient temperature. Since the ambient wind speed is not controlled, the environmental comfort is poor.

Summary of the invention

The main object of the present invention is to provide an air conditioner indoor unit and an air conditioning indoor air outlet control method, which aim to ensure a comfortable temperature and reduce the air volume of the indoor air outlet.

To achieve the above object, the present invention provides an air conditioning indoor unit, wherein the air conditioning indoor unit is provided with an air outlet, a wind deflector, a first air diffusing plate, a second air diffusing plate, a controller, a temperature detector, and a humidity detecting device. The air deflector is configured to block or open the air outlet; the first air diffuser and the second air diffuser are respectively provided with a plurality of ventilation holes, and the first air diffuser and the second air diffuser The wind plates cooperate to block or open the air outlet; the temperature detector is used to detect the indoor temperature; and the humidity detector is used to detect the ambient humidity;

When the air conditioner indoor unit enters the preset operation mode, the controller controls the first air distribution plate and the second air distribution plate to open the air outlet, and controls the air outlet indoor unit to enter the preset operation mode. The air deflector rotates by a predetermined angle to partially block the air outlet, so that the airflow blown by the air outlet changes the wind direction when passing through the air deflector;

After entering the preset operation mode, the controller controls the first air distribution plate and the second air distribution plate to be in different rotation positions according to the indoor temperature and the ambient humidity to form an occlusion of the air outlet.

Preferably, after the air conditioner indoor unit enters a preset operation mode, when the indoor temperature is less than or equal to a first preset value, and the ambient humidity is less than the first preset humidity, the controller controls the first a diffuser is rotated to the first preset position to partially block the air outlet; and when the indoor temperature is less than or equal to a second preset value, and the ambient humidity is less than the second preset humidity, the first a first air diffusing plate and the second air diffusing plate are rotated to a second preset position, wherein the first air diffusing plate and the second air diffusing plate cooperate to block the air outlet; the first preset value is greater than the a second preset value; the first preset humidity is greater than the second preset humidity.

Preferably, when the first louver and the second louver are rotated to a second preset position, the first louver and the second louver are dislocated, and the first There is a gap between the diffuser panel and the second diffuser panel.

Preferably, when the set target temperature is greater than the third preset value, the first preset value is a sum of the target temperature and a preset temperature difference, and the second preset value is the target temperature; When the set target temperature is less than or equal to the third preset value, the first preset value is a first preset temperature, and the second preset value is a second preset temperature.

In addition, in order to achieve the above object, the present invention also provides an air conditioning indoor air outlet control method, which is applied to the air conditioner indoor unit, and the air conditioning indoor air outlet control method includes:

S1, in the cooling operation state, when it is determined that the air conditioner indoor unit enters a preset operation mode, controlling the first air diffuser and the second air diffuser to open the air outlet, and controlling the wind deflector to rotate Presetting the angle to partially block the air outlet, so that the airflow blown by the air outlet changes the wind direction when passing through the air deflector;

S2, after entering the preset operation mode, according to the indoor temperature and the ambient humidity, controlling the first air distribution plate and the second air distribution plate to be in different rotation positions to form an occlusion of the air outlet.

Preferably, the step S2 comprises:

After the air conditioner indoor unit enters the preset operation mode, when the indoor temperature is less than or equal to the first preset value, and the ambient humidity is less than the first preset humidity, the first air diffuser is controlled to rotate to the first a preset position to partially block the air outlet;

Controlling the first louver and the second louver to rotate to a second preset position when the indoor temperature is less than or equal to a second preset value, and the ambient humidity is less than a second preset humidity, The first louver and the second louver cooperate to block the air outlet; the first preset value is greater than the second preset value; and the first preset humidity is greater than the second preset humidity.

Preferably, the controlling the first louver and the second louver to rotate to a second preset position is specifically:

Controlling that the first louver and the second louver cooperate to block the air outlet, and the first louver and the second louver are dislocated, the first louver and the There is a gap between the second diffuser plates.

Preferably, before the step S2, the method further includes:

Obtain the currently set target temperature;

When the target temperature is greater than the third preset value, setting a sum of the target temperature and the preset temperature difference as the first preset value, and setting the target temperature as the second preset value; When the temperature is less than or equal to the third preset value, the first preset temperature is set to the first preset value, and the second preset temperature is set to the second preset value.

Preferably, the air conditioning indoor air outlet control method further includes:

In the embodiment of the present invention, the air deflector, the first air diffuser, and the second air diffuser are disposed at an air outlet of the air conditioner indoor unit, and the air conditioner indoor unit is judged to enter the preheating state in the air conditioner indoor unit cooling operation state. When the operation mode is set, the first air distribution plate and the second air distribution plate are controlled to open the air outlet, and the air guiding plate is controlled to rotate a preset angle to partially block the air outlet; After the mode, according to the indoor temperature and the ambient humidity, the first air diffusing plate and the second air diffusing plate are controlled to be in different rotating positions to form an obstruction to the air outlet; the smaller the indoor temperature is due to the air outlet The occlusion makes the air outlet and the ambient humidity of the air outlet of the air conditioner indoor unit smaller. Therefore, the comfortable temperature is ensured, the air volume of the indoor air outlet is reduced, and the windless mode is realized, thereby improving the comfort of the environment and facilitating the use of the user.

DRAWINGS

1 is a schematic structural view of a first state in an embodiment of an air conditioning indoor unit according to the present invention;

2 is a schematic structural view of a second state in an embodiment of an air conditioning indoor unit according to the present invention;

3 is a schematic structural view of a third state in an embodiment of an air conditioning indoor unit according to the present invention;

4 is a schematic structural view showing a fourth state in an embodiment of an air conditioner indoor unit according to the present invention;

5 is a schematic flow chart of a first embodiment of an air outlet control method for an air conditioner according to the present invention;

6 is a schematic flow chart of a second embodiment of an air outlet control method for an air conditioner according to the present invention;

FIG. 7 is a schematic flow chart of a third embodiment of an air outlet control method for an air conditioner according to the present invention.

The implementation, functional features, and advantages of the present invention will be further described in conjunction with the embodiments.

detailed description

It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The air conditioner indoor unit is provided with reference to Fig. 1. In the first embodiment of the air conditioner indoor unit of the present invention, the air conditioner indoor unit is provided with an air outlet 10, a wind deflector 20, a first air diffuser 30, and a second air diffuser. a wind deflector 40, a controller, a temperature detector, and a humidity detector; the air deflector 20 is configured to block or open the air outlet 10; the first air diffuser 30 and the second air diffuser 40 are respectively disposed There are a plurality of ventilation holes, and the first air diffusion plate 30 and the second air diffusion plate 40 cooperate with each other to block or open the air outlet 10; the temperature detector is used for detecting the indoor temperature; and the humidity detector is used for detecting environment humidity;

When the air conditioner indoor unit enters the preset operation mode, the controller controls the first air diffuser 30 and the second air diffuser 40 to open the air outlet 10 when the air conditioner indoor unit enters the preset operation mode. And controlling the wind deflector 20 to rotate a predetermined angle to partially block the air outlet 10, so that the airflow blown by the air outlet passes through the air deflector to change the wind direction;

After entering the preset operation mode, the controller controls the first air distribution plate 30 and the second air distribution plate 40 to be in different rotation positions according to the indoor temperature and the ambient humidity to form an occlusion of the air outlet 10.

In this embodiment, the structures of the first air diffusing plate 30 and the second air diffusing plate 40 may be disposed according to actual needs. Preferably, the first air diffusing plate 30 and the second air diffusing plate 40 are elongated. Plate structure. Specifically, the air conditioner indoor unit further includes a chassis 50 and a face frame 60, wherein an indoor fan, an air inlet duct, and an air outlet duct are disposed in the chassis 50, wherein the face frame 60 is opened at an exit of the air outlet duct The above air outlet 10. The first louver 30 is rotatably mounted on the chassis 50, and the second louver 40 is rotatably mounted on the face frame 60, wherein the first louver 30 is located above the second louver 40, and The first air diffuser 30 and the second air diffuser 40 are both located inside the air deflector 20. The rotation of the first louver 30 and the second louver 40 is controlled by a motor to open and block the vent 10.

Specifically, the vent hole includes a first vent hole disposed on the first louver 30 and a second vent hole disposed on the second louver 40. The venting hole is configured to allow the wind to enter the room through the vent hole when the first air diffusing plate 30 and/or the second air diffusing plate 40 block the air outlet 10, so as to reduce the air volume and the wind speed. It can be understood that the shape of the vent hole may be set according to actual needs, for example, when the first louver 30 and the second louver 40 block the air outlet, the first ventilation provided on the first louver 30 The direction in which the hole extends from the inner side surface to the outer side surface of the first air diffusing plate 30 is inclined upward by a predetermined angle in the thickness direction of the first air diffusing plate 30; the second air venting hole provided in the second air diffusing plate 40 is the first The direction in which the inner side surface to the outer side surface of the diffuser plate 30 extends coincides with the thickness direction of the second air diffusing plate 40.

It should be noted that, in this embodiment, preferably, the opening of the air outlet by the first air diffusing plate 30 and the second air diffusing plate 40 means that the normal air outlet of the air outlet 10 is not blocked; the first air diffusing plate 30 and The shielding of the air outlet by the second air diffusing plate 40 means that the first air diffusing plate 30 and the second air diffusing plate 40 block the wind blown from the air outlet duct, so that the wind is blown toward the first air diffusing plate 30 and the second air diffusing plate 40. The wind on the inner side enters the room through the above venting holes. The air deflector 20 opens the air outlet 10 to guide the wind panel 20 to move downward to the lowest position, and does not block the normal air outlet of the air outlet 10. The air deflector 20 blocks the air outlet to guide the wind panel 20 to be located in the air outlet 10. Close the air outlet 10. The air deflector 20 partially blocks the air outlet to guide the wind panel 20 to block the air outlet at the air outlet 10 to change the direction of the air outlet 10, and specifically, the wind deflector 20 changes the air volume in the wind direction according to the actual situation. It needs to be set up, and it can be changed to change part or all of the wind outlet 10 (including vertical upward or oblique upward).

The types of the preset operation modes may be defined according to actual needs. In the following embodiments, the preset operation mode is the windless mode as an example, and the detailed description is made. The windless mode means that the air conditioner operates in a cooling operation state, and the direction of the air outlet of the air outlet is controlled to change, so that the indoor wind speed is lowered. The indoor wind speed is the measured wind speed at a distance of 3 m from the horizontal distance of the air conditioner. In the windless mode, the wind speed of the air outlet is lowered by blocking the air outlet, and the indoor wind speed is lowered. Preferably, by blocking the air outlet, the indoor wind speed can be lower than 0.3 m/s, that is, the comfort state is achieved.

Specifically, the controller controls the first louver 30 and the second louver 40 to be at different rotational positions according to the indoor temperature detected by the temperature detector to form an occlusion of the air outlet 10. The effect of the occlusion of the different rotational positions is that the smaller the indoor temperature is, the control of the first louver and the second louver occlude the air outlet, so that the gap of the air outlet for the air outlet is smaller. Thereby the smaller the amount of air flow.

During operation, when the air conditioning indoor unit is operating in a normal cooling state, the controller first controls the air deflector 20, the first air diffusing plate 30, and the second air diffusing plate 40 to open the air outlet 10, so that the indoor air outlet is normally from the air outlet 10 Blow out. As shown in Fig. 1, at this time, cold air is directly blown downward from the air outlet 10.

Then, the controller detects in real time whether the air conditioner indoor unit needs to enter the windless operation mode, and if so, controls the indoor fan to enter the windless mode. Specifically, in the first stage of the windless mode, the first air diffusing plate 30 and the second air diffusing plate 40 are controlled to open the air outlet 10, and the wind deflector 20 is controlled to rotate by a preset angle to The air outlet 10 is partially blocked. As shown in FIG. 2, at this time, the wind blown from the air outlet 10 is blocked by the wind deflector 20, and the wind direction of the air outlet 10 is changed by the wind deflector 20 to prevent the wind blown from the air outlet 10. Blow directly down to the human body.

After the air conditioner indoor unit enters the windless mode, the controller obtains the change of the indoor temperature and the humidity detected by the humidity detector detected by the temperature sensor in real time, and controls the change according to the detected indoor temperature and the environmental humidity. The angle of rotation of a diffuser panel 30 and a second diffuser panel 40. Specifically, when the indoor temperature and the ambient humidity are lower, the amount of wind shielding that the indoor first air diffusing plate 30 and the second air diffusing plate 40 cooperate with each other is larger, and the air outlet amount of the air outlet 10 is smaller. The smaller the air volume at the air outlet, the smaller the air flow rate of the environment, thereby improving the comfort of the environment. As shown in FIG. 3 and FIG. 4, in FIG. 3, a part of the air outlet 10 is blocked only by the first air diffusing plate 30, so that a part of the blown wind is blocked by the first air diffusing plate 30, and the other part passes through the air outlet 10 The unobstructed portion enters the room, wherein the wind portion blown on the inner side of the first emission plate 30 is blocked, and partially enters the room through the vent hole, thereby reducing the amount of airflow from the air outlet 10 with respect to the state of FIG. In FIG. 4, the air outlet 10 is blocked by the first air diffusing plate 30 and the second air diffusing plate 40, so that the blown air passes only through the air vents provided on the first air diffusing plate 30 and the second air diffusing plate 40. Entering the room; relative to FIG. 3, the amount of air discharged from the air outlet 10 is further reduced.

In the embodiment of the present invention, the air deflector 20, the first air diffuser 30, and the second air diffuser 40 are disposed at the air outlet 10 of the air conditioner indoor unit, and the controller is in the judgment state of the air conditioner indoor unit in the cooling operation state. When the air conditioner indoor unit enters the preset operation mode, the first air diffuser 30 and the second air diffuser 40 are controlled to open the air outlet 10, and the wind deflector 20 is controlled to rotate by a preset angle to partially block The air outlet 10; after entering the windless mode, the controller controls the first air diffusing plate 30 and the second air diffusing plate 40 to be at different rotational positions according to the indoor temperature and the ambient humidity, to The tuyere 10 forms a occlusion; the smaller the indoor temperature and the ambient humidity, the smaller the amount of air blown from the air outlet 10 of the air-conditioning indoor unit due to the occlusion of the air outlet 10. Therefore, the comfortable temperature is ensured, the air volume of the indoor air outlet is reduced, and the windless mode is realized, thereby improving the comfort of the environment and facilitating the use of the user.

It can be understood that, after entering the windless mode, the controller can set the rotational position and control mode of the first air diffusing plate 30 and the second air diffusing plate 40 according to the indoor temperature and the ambient humidity, for example, according to actual needs, for example, The rotational positions of the first diffuser 30 and the second diffuser 40 can be controlled in accordance with the preset step temperature and the corresponding ambient humidity. The following is described in two different states:

In this embodiment, preferably, after the air conditioner indoor unit enters the preset operation mode, when the indoor temperature is less than or equal to a first preset value, and the ambient humidity is less than the first preset humidity, Controlling the first louver 30 to rotate to a first preset position (the state thereof is as shown in FIG. 3) to partially block the air outlet 10; when the indoor temperature is less than or equal to a second preset value, Controlling the first louver 30 and the second louver 40 to rotate to a second preset position, the first louver 30 and the second scatter wind when the ambient humidity is less than the second preset humidity The plate 40 cooperates to block the air outlet (the state thereof is as shown in FIG. 4); the first preset value is greater than the second preset value; and the first preset humidity is greater than the second preset humidity.

In this embodiment, the specific location points of the first preset location and the second preset location may be set according to actual needs. Preferably, in this embodiment, when the indoor temperature is between the first preset value and the second preset value, and the ambient humidity is less than the first preset humidity, only the first air diffuser 30 is controlled. The air volume reduction control is performed; when the indoor temperature is less than the second preset value, and the ambient humidity is less than the second preset humidity, the air volume reduction control is performed by the first air diffusing plate 30 and the second air diffusing plate 40 to maximize the air volume Reduce the amount of air.

Specifically, when the first louver 30 and the second louver 40 are rotated to the second preset position, the first louver 30 and the second louver 40 are dislocated, and There is a gap between the first air diffusing plate 30 and the second air diffusing plate 40.

In this embodiment, by providing a gap between the first air diffusing plate 30 and the second air diffusing plate 40, while blocking the air outlet 10, a small amount of cold air can be ensured to flow out from the gap, and the first wind is dispersed. The hot air outside the plate 30 and the second diffuser 40 is blown away to prevent condensed water from being generated on the first diffuser 30 and the second diffuser 40. Specifically, the height of the bottom end surface of the first louver 30 in the vertical direction is higher than the top end surface of the second louver 40, the first louver 30 and the second louver There is a gap between the plates 40 such that a ventilation passage is formed between the inner side surface of the first air diffusing plate 30 and the inner side surface of the second air diffusing plate 40, so that the wind can be blown back to the outer side surface of the second air diffusing plate 40, thereby The temperature difference between the two sides of the second emission plate 40 is reduced to prevent the generation of condensed water.

The following will be described in detail with a preferred example: when the indoor temperature is less than or equal to the first preset value, and the ambient humidity is less than the first preset humidity, the first louver 30 is controlled to rotate to the air outlet 10 The direction of the wind is vertical or substantially vertical to reduce the amount of air. When the indoor temperature is further less than or equal to the second preset value, and the ambient humidity is less than the second preset humidity, the second air diffuser 40 is controlled to rotate to a position perpendicular or substantially perpendicular to the air outlet direction of the air outlet 10, To minimize the amount of airflow. It can be understood that, in this example, the first preset position of the first louver 30 is at the same position as the second preset position of the first louver.

It should be noted that the size of the first preset value and the second preset value may be set according to actual needs. In this embodiment, preferably, in order to consider the influence of the target temperature set by the user on the windless mode, The sizes of the first preset value and the second preset value may be adjusted in stages. The target temperature is the target temperature at which the user sets the air conditioning operation.

Specifically, when the set target temperature is greater than the third preset value, the first preset value is a sum of the target temperature and a preset temperature difference, and the second preset value is the target temperature; When the set target temperature is less than or equal to the third preset value, the first preset value is a first preset temperature, and the second preset value is a second preset temperature.

The following is a third preset value of 24 ° C, the preset temperature difference is 2 ° C, the first preset temperature is 26 ° C, and the second preset temperature is 24 ° C as an example for detailed description: when the target temperature Ts is greater than When the temperature is 24 ° C, the first preset value is Ts+2, and the second preset value is Ts; when the target temperature Ts is less than or equal to 24 ° C, the first preset value is 26 ° C, and the second preset value is 24 ° C. By setting the first preset value and the second preset value in stages according to the target temperature, the target temperature is effectively prevented from being too low, and the indoor temperature cannot reach a condition smaller than Ts+2.

It can be understood that the condition that the controller determines whether the air conditioner indoor unit enters the preset operation mode may be set according to actual needs. In this embodiment, preferably, when the controller receives the windless mode startup command, the controller may control The air conditioner indoor unit enters the windless mode. In other embodiments, the determination may be based on other conditions. For example, it should be noted that the windless mode startup command may be sent by a remote device, a body button, or a mobile device such as a mobile phone installed on the client, preferably but not limited to the above. device.

The present invention also provides an air conditioning indoor air outlet control method, which is applied to the air conditioning indoor unit in the above embodiment. Referring to FIG. 1 to FIG. 5, the air conditioning indoor air outlet control method includes:

S10, in the cooling operation state, when the air conditioner indoor unit is determined to enter the preset operation mode, the first air diffuser 30 and the second air diffuser 40 are controlled to open the air outlet 10, and the guide is controlled. The wind plate 20 is rotated by a preset angle to partially block the air outlet 10, so that the airflow blown by the air outlet passes through the air deflector to change the wind direction;

S20, after entering the preset operation mode, according to the indoor temperature and the ambient humidity, controlling the first air distribution plate 30 and the second air distribution plate 40 to be at different rotation positions to form an occlusion of the air outlet 10.

Specifically, the vent hole includes a first vent hole disposed on the first louver 30 and a second vent hole disposed on the second louver 40. The venting hole is configured to allow the wind to enter the room through the vent hole when the first air diffusing plate 30 and/or the second air diffusing plate 40 block the air outlet 10, so as to reduce the air volume and reduce the wind speed of the wind. It can be understood that the shape of the vent hole may be set according to actual needs, for example, when the first louver 30 and the second louver 40 block the air outlet, the first ventilation provided on the first louver 30 The direction in which the hole extends from the inner side surface to the outer side surface of the first air diffusing plate 30 is inclined upward by a predetermined angle in the thickness direction of the first air diffusing plate 30; the second air venting hole provided in the second air diffusing plate 40 is the first The direction in which the inner side surface to the outer side surface of the diffuser plate 30 extends coincides with the thickness direction of the second air diffusing plate 40.

During operation, when the air conditioner indoor unit is operating in a normal cooling state, first, the air deflector 20, the first air diffusing plate 30, and the second air diffusing plate 40 are controlled to open the air outlet 10, so that the indoor air outlet is normally blown out from the air outlet 10. . As shown in Fig. 1, at this time, cold air is directly blown downward from the air outlet 10.

Then, it is detected in real time whether the air conditioner indoor unit needs to enter the windless operation mode, and if so, the indoor fan is controlled to enter the windless mode. Specifically, in the first stage of the windless mode, the first air diffusing plate 30 and the second air diffusing plate 40 are controlled to open the air outlet 10, and the wind deflector 20 is controlled to rotate by a preset angle to The air outlet 10 is partially blocked. As shown in FIG. 2, at this time, the wind blown from the air outlet 10 is blocked by the wind deflector 20, and the wind direction of the air outlet 10 is changed by the wind deflector 20 to prevent the wind blown from the air outlet 10. Blow directly down to the human body.

After the air conditioner indoor unit enters the windless mode, the indoor temperature and the humidity detected by the humidity detector detected by the temperature sensor are acquired in real time, and the first wind is controlled according to the detected change of the indoor temperature and the environmental humidity. The angle of rotation of the plate 30 and the second diffuser 40. Specifically, when the indoor temperature and the ambient humidity are lower, the amount of wind that fits the first first air diffusing plate 30 and the second air diffusing plate 40 in the room is larger, and the amount of air discharged from the air outlet 10 is smaller. The smaller the air volume at the air outlet, the smaller the air flow rate of the environment, thereby improving the comfort of the environment. As shown in FIG. 3 and FIG. 4, in FIG. 3, a part of the air outlet 10 is blocked only by the first air diffusing plate 30, so that a part of the blown wind is blocked by the first air diffusing plate 30, and the other part passes through the air outlet 10 The unobstructed portion enters the room, wherein the wind portion blown on the inner side of the first emission plate 30 is blocked, and partially enters the room through the vent hole, thereby reducing the amount of airflow from the air outlet 10 with respect to the state of FIG. In FIG. 4, the air outlet 10 is blocked by the first air diffusing plate 30 and the second air diffusing plate 40, so that the blown air passes only through the air vents provided on the first air diffusing plate 30 and the second air diffusing plate 40. Entering the room; relative to FIG. 3, the amount of air discharged from the air outlet 10 is further reduced.

In the embodiment of the present invention, the air deflector 20, the first air diffusing plate 30, and the second air diffusing plate 40 are disposed at the air outlet 10 of the air conditioner indoor unit, and the air conditioner is judged in the air conditioning indoor unit cooling operation state. When the indoor unit enters the preset operation mode, the first air diffuser 30 and the second air diffuser 40 are controlled to open the air outlet 10, and the wind deflector 20 is controlled to rotate by a preset angle to partially block the air outlet. After the air inlet mode is entered, the first air diffusing plate 30 and the second air diffusing plate 40 are controlled to be in different rotational positions according to the indoor temperature and the ambient humidity to form an occlusion of the air outlet 10; The smaller the indoor temperature and the ambient humidity are, the smaller the amount of air blown from the air outlet 10 of the air-conditioning indoor unit is due to the shielding of the air outlet 10. Therefore, the comfortable temperature is ensured, the air volume of the indoor air outlet is reduced, and the windless mode is realized, thereby improving the comfort of the environment and facilitating the use of the user.

Further, referring to FIG. 6 , in the second embodiment of the air conditioning indoor air outlet control method according to the present invention, in the second embodiment of the present invention, the step S20 includes:

Step S21, after the air conditioner indoor unit enters the preset operation mode, when the indoor temperature is less than or equal to a first preset value, and the ambient humidity is less than the first preset humidity, the first air diffuser is controlled. 30 is rotated to a first preset position (the state of which is shown in Figure 3) to partially block the air outlet 10;

Step S22, when the indoor temperature is less than or equal to a second preset value, and the ambient humidity is less than the second preset humidity, controlling the first air diffuser 30 and the second air diffuser 40 to rotate to the first a second preset position (the state thereof is as shown in FIG. 4), the first air diffusing plate 30 and the second air diffusing plate 40 cooperate to block the air outlet 10; the first preset value is greater than the second pre-predetermined Setting a value; the first preset humidity is greater than the second preset humidity.

In this embodiment, the specific location points of the first preset location and the second preset location may be set according to actual needs. Preferably, in this embodiment, when the indoor temperature is between the first preset value and the second preset value, and the ambient humidity is less than the first preset humidity, only the first air diffuser 30 is controlled to reduce the air volume. Controlling; when the indoor temperature is less than the second preset value and the ambient humidity is less than the second preset humidity, the air volume reduction control is performed by the first air diffusing plate 30 and the second air diffusing plate 40 to minimize the air volume. .

Specifically, in the above step S22, the controlling the first louver 30 and the second louver 40 to rotate to the second preset position is specifically: controlling the first louver 30 and the second The air diffusing plate 40 cooperates with the air outlet, and the first air diffusing plate 30 and the second air diffusing plate 40 are disposed offset, and the first air diffusing plate 30 and the second air diffusing plate 40 are disposed. There is a gap between them.

The following will be described in detail with a preferred example: when the indoor temperature is less than or equal to the first preset value and the ambient humidity is less than the first preset humidity, the first louver 30 is controlled to rotate to the air outlet with the air outlet 10. Direction vertical or roughly vertical to reduce airflow. When the indoor temperature is further less than or equal to the second preset value and the ambient humidity is less than the second preset humidity, the second louver 40 is controlled to rotate to a position perpendicular or substantially perpendicular to the air outlet direction of the air outlet 10 to maximize The degree of air output is reduced. It can be understood that, in this example, the first preset position of the first louver 30 is at the same position as the second preset position of the first louver.

Further, together with reference to FIG. 7, in the third embodiment of the air conditioning indoor air outlet control method according to the present invention, in the third embodiment of the air conditioning indoor air outlet control method of the present invention, before the step S20, the method further includes:

Step S30, acquiring a currently set target temperature;

Step S40, when the target temperature is greater than the third preset value, set the sum of the target temperature and the preset temperature difference to the first preset value, and set the target temperature to the second preset value. When the target temperature is less than or equal to the third preset value, the first preset temperature is set to the first preset value, and the second preset temperature is set to the second preset value.

The above are only the preferred embodiments of the present invention, and are not intended to limit the scope of the invention, and the equivalent structure or equivalent process transformations made by the description of the present invention and the drawings are directly or indirectly applied to other related technical fields. The same is included in the scope of patent protection of the present invention.

Claims

An air conditioner indoor unit, wherein the air conditioner indoor unit is provided with an air outlet, a wind deflector, a first air diffuser, a second air diffuser, a controller, a temperature detector and a humidity detector; The air plate is configured to block or open the air outlet; the first air distribution plate and the second air distribution plate are respectively provided with a plurality of ventilation holes, and the first air distribution plate and the second air diffusion plate cooperate with each other to Blocking or opening the air outlet; the temperature detector is configured to detect an indoor temperature; and the humidity detector is configured to detect an ambient humidity;

When the air conditioner indoor unit enters the preset operation mode, the controller controls the first air distribution plate and the second air distribution plate to open the air outlet, and controls the air outlet indoor unit to enter the preset operation mode. The air deflector rotates by a predetermined angle to partially block the air outlet, so that the airflow blown by the air outlet changes the wind direction when passing through the air deflector;

After entering the preset operation mode, the controller controls the first air distribution plate and the second air distribution plate to be in different rotation positions according to the indoor temperature and the ambient humidity to form an occlusion of the air outlet.
The air conditioner indoor unit according to claim 1, wherein the controller, when the air conditioner indoor unit enters a preset operation mode, when the indoor temperature is less than or equal to a first preset value, and the ambient humidity When the first preset humidity is less than the first preset humidity, the first louver is rotated to a first preset position to partially block the air outlet; when the indoor temperature is less than or equal to a second preset value, and the environment Controlling the first louver and the second louver to rotate to a second preset position, wherein the first louver and the second louver cooperate to block the out a tuyere; the first preset value is greater than the second preset value; the first preset humidity is greater than the second preset humidity.
The air conditioner indoor unit according to claim 2, wherein said first louver and said first louver are rotated to a second predetermined position, said first louver and said first The two diffuser plates are dislocated and have a gap between the first diffuser panel and the second diffuser panel.
The air conditioner indoor unit according to claim 2, wherein when the set target temperature is greater than a third preset value, the first preset value is a sum of the target temperature and a preset temperature difference, The second preset value is the target temperature; when the set target temperature is less than or equal to the third preset value, the first preset value is the first preset temperature, and the second preset value is the second preset value. Set the temperature.
The air conditioner indoor unit according to claim 4, wherein when the first air diffusing plate and the second air diffusing plate are rotated to a second preset position, the first air diffusing plate and the first The two diffuser plates are dislocated and have a gap between the first diffuser panel and the second diffuser panel.
The air conditioner indoor unit according to claim 1, wherein the air conditioner indoor unit further comprises a chassis and a face frame, wherein the indoor fan, the inlet air duct and the air outlet duct are provided in the chassis, wherein the face frame is The air outlet is opened at an exit of the air outlet duct, the first air diffuser is rotatably mounted on the chassis, and the second air diffuser is rotatably mounted on the face frame.
The air conditioning indoor air outlet control method is applicable to the air conditioning indoor unit according to claim 1, wherein the air conditioning indoor air outlet control method comprises:

S1, in the cooling operation state, when it is determined that the air conditioner indoor unit enters a preset operation mode, controlling the first air diffuser and the second air diffuser to open the air outlet, and controlling the wind deflector to rotate Presetting the angle to partially block the air outlet, so that the airflow blown by the air outlet changes the wind direction when passing through the air deflector;

S2, after entering the preset operation mode, according to the indoor temperature and the ambient humidity, controlling the first air distribution plate and the second air distribution plate to be in different rotation positions to form an occlusion of the air outlet.
The air conditioning indoor air outlet control method according to claim 7, wherein the step S2 comprises:

After the air conditioner indoor unit enters the preset operation mode, when the indoor temperature is less than or equal to the first preset value, and the ambient humidity is less than the first preset humidity, the first air diffuser is controlled to rotate to the first a preset position to partially block the air outlet;

Controlling the first louver and the second louver to rotate to a second preset position when the indoor temperature is less than or equal to a second preset value, and the ambient humidity is less than a second preset humidity, The first louver and the second louver cooperate to block the air outlet; the first preset value is greater than the second preset value; and the first preset humidity is greater than the second preset humidity.
The air conditioning indoor air outlet control method according to claim 8, wherein the controlling the first air diffusing plate and the second air diffusing plate to rotate to a second preset position is specifically:

Controlling that the first louver and the second louver cooperate to block the air outlet, and the first louver and the second louver are dislocated, the first louver and the There is a gap between the second diffuser plates.
The air conditioning indoor air outlet control method according to claim 8, wherein the step S2 further comprises:

Obtain the currently set target temperature;

When the target temperature is greater than the third preset value, setting a sum of the target temperature and the preset temperature difference as the first preset value, and setting the target temperature as the second preset value; When the temperature is less than or equal to the third preset value, the first preset temperature is set to the first preset value, and the second preset temperature is set to the second preset value.
The air conditioning indoor air outlet control method according to claim 10, wherein the controlling the first air diffusing plate and the second air diffusing plate to rotate to a second preset position is specifically:

Controlling that the first louver and the second louver cooperate to block the air outlet, and the first louver and the second louver are dislocated, the first louver and the There is a gap between the second diffuser plates.