WO2023029473A1

WO2023029473A1 - Air conditioner control method and air conditioner

Info

Publication number: WO2023029473A1
Application number: PCT/CN2022/084994
Authority: WO
Inventors: 刘光朋; 张鹏
Original assignee: 重庆海尔空调器有限公司; 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: 2021-08-30
Filing date: 2022-04-02
Publication date: 2023-03-09
Also published as: CN113757800A; CN113757800B

Abstract

The present invention relates to the technical field of air conditioners, particularly provides an air conditioner control method and an air conditioner, and aims to solve the problems of inconvenient use of roller blinds and poor user experience of existing air conditioners. To this end, an air shielding device of the air conditioner of the present invention comprises a support member, a driving member, a reel, and a roller blind mounted on the reel, wherein the support member is connected to a housing of an indoor unit, the reel is rotatably connected to the support member, the output end of the driving member is in driving connection to the reel, and the roller blind can block the air discharged from an air outlet. The control method of the present invention comprises: determining whether there is a person in a preset area during the operation of the air conditioner; and according to the determining result, selectively expanding the roller blind to prevent the air discharged from the air outlet from being blown to the preset area. By means of such a setting, the air conditioner of the present invention can automatically control the state of the roller blind, does not require a manual operation of a user, and is intelligent, greatly improving the user experience.

Description

Control method for air conditioner and air conditioner

technical field

The invention relates to the technical field of air conditioners, and specifically provides a control method for the air conditioner and the air conditioner.

Background technique

With the improvement of people's living standards, air conditioners have become one of the necessary household appliances for the public. As the weather changes, people will use air conditioners more and more frequently. When time blows directly to the human body, it will cause discomfort to the human body, and in severe cases, various diseases will be caused, which greatly affects the health of the human body.

At present, some windshield products of air conditioners have appeared on the market, and the windshield products are usually fixedly installed at the air outlet of the air conditioner, so as to avoid the wind discharged from the air outlet from blowing directly to the user. When in use, manual control is required to unfold the roller blind to the air outlet of the air conditioner. When not in use, manual control is required to retract the roller blind. The operation is convenient and the user experience is not good.

Correspondingly, a new technical solution is needed in the art to solve the above problems.

Contents of the invention

In order to solve the above-mentioned problems in the prior art, that is, to solve the problem that the roller blind of the existing air conditioner is inconvenient to use, resulting in poor user experience.

In a first aspect, the present invention provides a control method for an air conditioner, the air conditioner includes a wall-mounted indoor unit, the wall-mounted indoor unit includes a housing and a windshield device installed on the housing , the housing has an air outlet, the windshield device includes a support member, a driving member, a reel, and a roller blind mounted on the reel, the support member is connected to the housing, and the reel is connected to the reel The supporting member is rotatably connected, the output end of the driving member is drivingly connected to the scroll shaft, and the roller blind can block the wind discharged from the air outlet. The control method includes: during the operation of the air conditioner In the present invention, it is judged whether there is a person in the preset area; according to the judgment result, the roller blind is selectively deployed to prevent the wind discharged from the air outlet from blowing to the preset area.

In the preferred technical solution of the above control method for an air conditioner, the step of "selectively deploying the roller blind to prevent the wind discharged from the air outlet from blowing to the preset area according to the judgment result" is specifically The method includes: if it is determined that there are people in the preset area, unfolding the roller blind, so as to prevent the wind discharged from the air outlet from blowing to the preset area.

In the preferred technical solution of the above control method for an air conditioner, the preset area includes at least two sub-preset areas, and the step of "unfolding the roller blind" specifically includes: expanding the roller blind to the set length; wherein, the set length corresponds to the sub-preset area where the person is located.

In the preferred technical solution of the above-mentioned control method for an air conditioner, before performing the step of "judging whether there are people in the preset area", the control method further includes: acquiring the fan speed of the wall-mounted indoor unit; wherein, The preset area corresponds to the fan speed.

In the preferred technical solution of the above-mentioned control method for the air conditioner, the support member is an electric telescopic rod, the rear end of the electric telescopic rod is fixedly connected to the housing, and the front end of the electric telescopic rod is connected to the The reel is connected, and the electric telescopic rod can drive the reel and the roller blind to move back and forth in the horizontal direction.

In the preferred technical solution of the above control method for air conditioners, the control method further includes: obtaining the fan speed of the wall-mounted indoor unit; obtaining a preset distance corresponding to the fan speed; The curtain moves to a position that is at the preset distance from the air outlet; wherein, the preset distance has a positive relationship with the fan speed.

In the preferred technical solution of the above control method for an air conditioner, the step of "selectively deploying the roller blind to prevent the wind discharged from the air outlet from blowing to the preset area according to the judgment result" is also Including: if it is determined that there is no person in the preset area, then the rolling shutter is not expanded.

In the preferred technical solution of the above control method for an air conditioner, the driving component is a motor.

In the preferred technical solution of the above control method for an air conditioner, a decorative pendant is provided at the lower end of the roller blind.

In a second aspect, the present invention provides an air conditioner, including a controller configured to be able to execute the above-mentioned control method for an air conditioner.

Those skilled in the art can understand that the windshield device of the air conditioner of the present invention includes a reel and a roller blind installed on the reel. During the operation of the air conditioner, the air conditioner of the present invention can automatically judge whether the preset area is Someone, and according to the judgment result, makes the roller blind unfold or does not make the roller blind unfold. Through such setting, the air conditioner of the present invention can automatically control the state of the roller blind without manual operation by the user, which is very intelligent and greatly improves the user experience.

Further, the preset area includes at least two sub-preset areas, and the step of "unfolding the roller blind" specifically includes: expanding the roller blind to a set length; wherein, the set length corresponds to the sub-preset area where a person is located. Through such setting, the flexibility of roller blind control is improved.

Further, the supporting member is an electric telescopic rod, and the electric telescopic rod can drive the reel and the roller blind to move back and forth in the horizontal direction. The control method of the present invention also includes: obtaining the fan speed of the wall-mounted indoor unit; obtaining a preset value corresponding to the fan speed; Set the distance; move the shutter to a position with a preset distance from the air outlet; wherein, the preset distance is positively related to the fan speed. Through such setting, the roller blind can have a better wind-shielding effect.

Further, the lower end of the roller blind is provided with a decorative pendant. Such arrangement not only facilitates the unfolding and retracting of the roller blind, but also improves the aesthetics of the roller blind.

In addition, the air conditioner further provided by the present invention on the basis of the above technical solution adopts the above control method, so it has the technical effects of the above control method. Compared with the existing air conditioner, the air conditioner of the present invention can Automatically control the state of the roller shutter without manual operation by the user, it is very intelligent and greatly improves the user experience.

Description of drawings

Describe preferred embodiment of the present invention below in conjunction with accompanying drawing, in the accompanying drawing:

Fig. 1 is a top view schematic diagram 1 of the indoor unit of the air conditioner of the present invention;

Fig. 2 is a front view schematic diagram 1 of the indoor unit of the air conditioner of the present invention;

Fig. 3 is the second schematic diagram of the front view of the indoor unit of the air conditioner of the present invention;

Fig. 4 is a schematic front view three of the indoor unit of the air conditioner of the present invention;

Fig. 5 is a front schematic view four of the indoor unit of the air conditioner of the present invention;

Fig. 6 is a schematic top view II of the indoor unit of the air conditioner of the present invention;

Fig. 7 is a flow chart of the control method for the air conditioner of the present invention;

FIG. 8 is a flowchart of an embodiment of a control method for an air conditioner of the present invention.

List of reference signs:

1. Shell; 11. Air outlet; 2. Support member; 3. Scroll; 4. Roller shutter; 5. Decorative pendant.

Detailed ways

Preferred embodiments of the present invention are described below with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are only used to explain the technical principles of the present invention, and are not intended to limit the protection scope of the present invention.

It should be noted that, in the description of the present invention, the terms "upper", "lower", "left", "right" and other terms indicating direction or positional relationship are based on the direction or positional relationship shown in the drawings, which are only It is for the convenience of description, and does not indicate or imply that the device or element must have a specific orientation, be constructed and operate in a specific orientation, and thus should not be construed as limiting the present invention.

In addition, it should be noted that, in the description of the present invention, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a It is a detachable connection or an integral connection; it may be a mechanical connection or an electrical connection; it may be a direct connection or an indirect connection through an intermediary, and it may be the internal communication of two components. Those skilled in the art can understand the specific meanings of the above terms in the present invention according to specific situations. In addition, the terms "first" and "second" are used for descriptive purposes only, and should not be understood as indicating or implying relative importance.

First refer to Fig. 1 and Fig. 2, wherein Fig. 1 is a schematic top view of the indoor unit of the air conditioner of the present invention; Fig. 2 is a schematic front view of the indoor unit of the air conditioner of the present invention.

As shown in Figure 1 and Figure 2, the air conditioner of the present invention includes a wall-mounted indoor unit, the wall-mounted indoor unit includes a housing 1 and a windshield device installed on the housing 1, the housing 1 has an air outlet 11, and the windshield The device can block the wind discharged from the air outlet 11 to prevent the wind from directly blowing to the user.

Continuing to refer to Fig. 1 and Fig. 2, the wind shielding device of the present invention includes a support member 2, a driving member (not shown in the figure), a reel 3 and a roller blind 4 installed on the reel 3, and the support member 2 is connected to the housing 1 , the reel 3 is rotatably connected to the supporting member 2, the output end of the driving member is connected to the reel 3 in a driving manner, and the roller blind 4 can block the wind discharged from the air outlet 11.

Exemplarily, the drive member is a motor, the rear end of the support member 2 is fixedly connected to the housing 1, the motor is mounted on the front end of the support member 2, one end of the reel 3 is fixedly connected to the drive shaft of the motor, and the other end of the reel 3 is connected to the support The components 2 are rotatably connected, and the motor can drive the reel 3 to rotate, so as to unfold or retract the roller blind 4 .

Based on the above air conditioner, the present invention also provides a control method for the air conditioner.

As shown in Figure 7, the control method of the present invention includes: during the operation of the air conditioner, judging whether there are people in the preset area; Default area.

It should be noted that the preset area can be the area where the wind discharged from the air outlet of the indoor unit can blow or is slightly larger than this area. For example, as shown in Figure 6, the area surrounded by ABCD is the preset area , when the roller blind is in the unfolded state, it can prevent the wind discharged from the air outlet from blowing to the preset area.

During the operation of the air conditioner, the air conditioner can automatically judge whether there are people in the preset area, and according to the judgment result, the roller blind is opened or not opened. Through such setting, the air conditioner of the present invention can automatically control the state of the roller blind without manual operation by the user, which is very intelligent and greatly improves the user experience.

Preferably, as shown in Figure 8, the step of "selectively deploying the roller blind to prevent the wind discharged from the air outlet from blowing to the preset area according to the judgment result" specifically includes:

If it is determined that there are people in the preset area, the roller blind is expanded to prevent the wind from the air outlet from blowing to the preset area; if it is determined that there is no one in the preset area, the roller blind is not expanded.

When it is detected that there are people in the preset area, the roller blind is opened to prevent the people in the preset area from being blown by the cold wind discharged from the air outlet. In the retracted state, the controller controls the motor to drive the reel to rotate in the forward direction, so that the roller blind is unfolded. If the roller blind is already in the unfolded state at this time, the roller blind is kept still.

When no one is detected in the preset area, the roller blind is not unfolded. Wherein, the roller blind is not unfolded. If the roller blind is in the unfolded state at this time, the controller controls the motor to drive the reel to rotate in reverse, so that The roller blind is retracted, and if the roller blind is in the retracted state at this time, the roller blind is kept still.

Exemplarily, as shown in FIG. 6 , a ranging sensor (not shown in the figure) and a camera (not shown in the figure) are installed on the housing of the indoor unit, and the ranging sensor (such as a radar ranging sensor, an infrared distance measuring sensor, etc.) and the camera are preferably installed in the middle of point A and point B, the viewing angle range of the camera includes the preset area (ABCD) and the area extending forward along the boundary of the preset area, and the camera can collect the preset area images within.

Both the ranging sensor and the camera are connected to the controller of the air conditioner, and the images collected by the camera are transmitted to the controller in real time, and the controller can analyze and process the received images.

When it is found that someone appears in the image collected by the camera, the distance between the person and the indoor unit is measured by the ranging sensor, and whether the person is in the preset area is judged according to the size of the distance. When the distance is greater than the set distance, the person is judged If the roller blind is not in the preset area, keep the roller blind in the retracted state. When the distance is less than or equal to the set distance, it is determined that the person is in the preset area. At this time, the controller automatically controls the motor to drive the reel to rotate in the forward direction. Unfold the roller blind.

It should be noted that when the person leaves the preset area, the controller can also automatically control the motor to drive the reel to rotate in reverse, so as to retract the roller blind.

In addition, it should be noted that baffles can be installed on both sides of the camera to limit the viewing angle range of the camera, or a dedicated camera can be designed for a preset area, etc. This flexible adjustment and change does not deviate from the scope of the present invention. The principle and scope should be limited within the protection scope of the present invention.

In addition, it should be noted that when the indoor unit is located in a small space, the front boundary of the preset area has already reached the wall of the room. In this case, the distance sensor can be canceled and only the camera can be set. The detected image area is only the preset area, and when someone appears in the image captured by the camera, it indicates that someone appears in the preset area.

Preferably, the preset area includes at least two sub-preset areas, and the step of "unfolding the roller blind" specifically includes: expanding the roller blind to a set length; wherein, the set length corresponds to the sub-preset area where a person is located.

Exemplarily, as shown in FIG. 6, the preset area includes three sub-preset areas, which are respectively the first sub-preset area ①, the second sub-preset area ② and the third sub-preset area ③, correspondingly, As shown in Fig. 3 to Fig. 5, there are also three set lengths for rolling shutter expansion, namely the first set length L1, the second set length L2 and the third set length L3, for the three sub-preset areas, There are three setting distances, namely the first setting distance, the second setting distance and the third setting distance, wherein the first setting distance is greater than the second setting distance, and the second setting distance is greater than the third setting distance. fixed distance.

When a person appears in the image captured by the camera, the distance between the person and the indoor unit is measured, and when the distance is greater than the second set distance and less than or equal to the first set distance, it means that the person appears in the first sub-preset Area ①, as shown in Figure 3, the length of rolling shutter 4 is the first set length L1; when the distance is greater than the third set distance and less than or equal to the second set distance, it means that the person appears in the second In the preset area ② area, as shown in Figure 4, the length of the rolling shutter 4 is the second set length L2; when the distance is less than or equal to the third set distance, it means that the person appears in the third sub-preset area ③ In the area, as shown in FIG. 5 , the rolled-up shutter 4 has a length of the third set length L3.

It should be noted that the unfolded length of the roller blind can be controlled by controlling the number of turns of the motor, or a distance measuring sensor can be installed on the windshield device to determine the length of the roller blind unfolded. Exemplarily, the distance measuring sensor includes The signal transmitter, the signal receiver and the signal reflector, the signal transmitter and the signal receiver are installed at the front end of the support member, the signal reflector is installed at the bottom of the roller blind, etc., this flexible adjustment and change does not Deviation from the principle and scope of the present invention should be limited within the protection scope of the present invention.

In addition, it should also be noted that the number of sub-preset areas is not limited to the above three, for example, it can also be two, four or five, etc., such adjustment of the specific number of sub-preset areas and Changes do not deviate from the principle and scope of the present invention, and should be limited within the protection scope of the present invention.

Preferably, before performing the step of "judging whether there are people in the preset area", the control method of the present invention further includes: obtaining the fan speed of the wall-mounted indoor unit; wherein the preset area corresponds to the fan speed.

Exemplarily, the fan speed includes high speed, medium speed and low speed. Correspondingly, there are three preset areas, namely the first preset area, the second preset area and the third preset area. In the air conditioner During operation, if the fan is running at high speed, judge whether there are people in the first preset area; if the fan is running at medium speed, judge whether there are people in the second preset area; if the fan is running at low speed, judge Whether there are people in the third preset area.

Preferably, the support member is an electric telescopic rod, the rear end of the electric telescopic rod is fixedly connected to the housing, the front end of the electric telescopic rod is connected to the reel, and the electric telescopic rod can drive the reel and the roller blind to move back and forth in the horizontal direction.

Preferably, the control method of the present invention further includes: obtaining the fan speed of the wall-mounted indoor unit; obtaining a preset distance corresponding to the fan speed; and moving the roller blind to a position a preset distance away from the air outlet. Wherein, the preset distance has a positive relationship with the fan speed.

Exemplarily, the fan speed includes high speed, medium speed and low speed, and correspondingly, there are three preset distances, which are respectively a first preset distance, a second preset distance and a third preset distance, wherein the first A preset distance is smaller than a second preset distance, and the second preset distance is smaller than a third preset distance.

During the operation of the air conditioner, if the fan is running at a high speed, the electric telescopic rod will drive the roller blind to move to a position where the distance from the air outlet is the first preset distance; if the fan is running at a medium speed, the electric telescopic rod will drive The roller shutter moves to a position where the distance from the air outlet is the second preset distance, and if the fan operates at a low speed, the electric telescopic rod drives the roller shutter to move to a position where the distance from the air outlet is the third preset distance.

By adjusting the distance between the roller blind and the air outlet according to the rotating speed of the fan, the roller blind can have a better wind-shielding effect.

Preferably, as shown in FIG. 2 , the lower end of the roller blind 4 is provided with a decorative pendant 5 . By arranging the decorative pendant 5 at the lower end of the roller blind 4, it is not only convenient to unfold and retract the roller blind 4, but also improves the aesthetics of the roller blind 4.

So far, the technical solutions of the present invention have been described in conjunction with the preferred embodiments shown in the accompanying drawings, but those skilled in the art will easily understand that the protection scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principles of the present invention, those skilled in the art can make equivalent changes or substitutions to relevant technical features, and the technical solutions after these changes or substitutions will all fall within the protection scope of the present invention.

Claims

A control method for an air conditioner, characterized in that the air conditioner includes a wall-mounted indoor unit, the wall-mounted indoor unit includes a housing and a windshield device installed on the housing, and the housing There is an air outlet, the windshield device includes a support member, a driving member, a reel, and a roller blind installed on the reel, the support member is connected to the housing, the reel is rotatably connected to the support member, The output end of the driving member is drivingly connected to the reel, and the roller blind can block the wind discharged from the air outlet, and the control method includes:

During the operation of the air conditioner, judging whether there are people in the preset area;

According to the judgment result, the roller blind is selectively deployed to prevent the wind discharged from the air outlet from blowing to the preset area.
The control method according to claim 1, wherein the step of "selectively deploying the roller blind according to the judgment result to prevent the wind discharged from the air outlet from blowing to the preset area" specifically includes :

If it is determined that there are people in the preset area, the roller blind is expanded to prevent the wind discharged from the air outlet from blowing to the preset area.
The control method according to claim 2, wherein the preset area includes at least two sub-preset areas, and the step of "unfolding the roller blind" specifically includes:

expanding the roller blind to a set length;

Wherein, the set length corresponds to the sub-preset area where the person is located.
The control method according to claim 1, characterized in that, before performing the step of "judging whether there are people in the preset area", the control method further comprises:

obtaining the fan speed of the wall-mounted indoor unit;

Wherein, the preset area corresponds to the fan speed.
The control method according to claim 1, wherein the supporting member is an electric telescopic rod, the rear end of the electric telescopic rod is fixedly connected to the housing, and the front end of the electric telescopic rod is connected to the reel connected, the electric telescopic rod can drive the reel and the roller blind to move back and forth in the horizontal direction.
The control method according to claim 5, wherein the control method further comprises:

obtaining the fan speed of the wall-mounted indoor unit;

Obtaining a preset distance corresponding to the fan speed;

moving the roller blind to a position at the preset distance from the air outlet;

Wherein, the preset distance has a positive relationship with the fan speed.
The control method according to claim 2, wherein the step of "selectively deploying the roller blind to prevent the wind discharged from the air outlet from blowing to the preset area according to the judgment result" further includes :

If it is determined that there is no person in the preset area, the roller blind will not be expanded.
The control method according to claim 1, wherein the driving member is a motor.
The control method according to any one of claims 1 to 8, characterized in that a decorative pendant is arranged at the lower end of the roller blind.
An air conditioner, comprising a controller, wherein the controller is configured to execute the control method for an air conditioner according to any one of claims 1 to 9.