Air conditioner indoor unit, air conditioner control method, device, equipment and medium

Abstract

The invention discloses an air conditioner indoor unit, a control method, device and equipment of an air conditioner and a medium. The air conditioner indoor unit comprises a heat exchanger, a first air duct, a second air duct, a variable air duct, a main air duct, a first cross-flow fan blade and a second cross-flow fan blade, the heat exchanger and the first cross-flow fan blade are arranged in the first air duct, and the second cross-flow fan blade is arranged in the second air duct. Outlets of the first air duct and the second air duct are respectively converged and communicated with the main air duct, and the variable air duct is connected with the first air duct and the second air duct in an openable and closable manner; when the variable air duct is closed, the first air duct and the second air duct are mutually independent; when the variable air channel is opened, the first air channel communicates with the second air channel. Cold and hot air can be mixed by closing the variable air duct, so that the air outlet comfort is improved; and the flow passing through the heat exchanger can be increased by opening the variable channel, and rapid temperature adjustment is achieved.

Description

Technical Field

[0001] The embodiments of the present invention relate to the technical field of air conditioners, and in particular to an indoor unit of an air conditioner, a control method, a device, a equipment and a medium of the air conditioner. Background Art

[0002] As an air conditioning device widely used in homes and offices, the core function of wall-mounted air conditioners is to provide users with cooling and heating services. The traditional design of the indoor unit of a wall-mounted air conditioner relies on a heat exchanger to cool or heat the indoor air, and then blows the conditioned air directly into the room. However, this design has gradually shown its limitations in practical applications. On the one hand, the air outlet of the traditional wall-mounted air conditioning system is relatively direct. After the air passes through the heat exchanger, whether it is cold air or hot air, its temperature often deviates from the comfortable temperature of the human body, and it is easy to cause users to feel uncomfortable when it is blown directly to the human body. On the other hand, traditional wall-mounted air conditioners perform poorly in quickly adjusting the indoor temperature. Due to the low efficiency of air circulation and temperature balance, it usually takes a long time for the entire room to reach the ideal temperature set by the user. Summary of the invention

[0003] The present invention provides an indoor unit of an air conditioner, a control method, a device, a equipment and a medium of the air conditioner, aiming to solve the problems of poor air outlet comfort and low efficiency of rapid temperature adjustment of the indoor unit of the existing air conditioner.

[0004] In a first aspect, an embodiment of the present invention provides an indoor unit of an air conditioner, comprising: a heat exchanger, a first air duct, a second air duct, a variable air duct, a main air duct, a first crossflow fan blade, and a second crossflow fan blade, wherein the heat exchanger and the first crossflow fan blade are arranged in the first air duct, the second crossflow fan blade is arranged in the second air duct, the outlets of the first air duct and the second air duct are respectively connected to the main air duct, and the variable air duct can be connected to the first air duct and the second air duct in an openable and closable manner;

[0005] Wherein, when the variable air duct is closed, the first air duct and the second air duct are independent of each other; when the variable air duct is opened, the first air duct and the second air duct are connected to each other.

[0006] Further, the variable air duct includes a switching channel and a guide member, the switching channel is connected to the first air duct and the second air duct, and the guide member is rotatably provided in the switching channel and the second air duct; wherein, when the guide member rotates into the second air duct, the variable air duct opens; and when the guide member rotates into the switching channel, the variable air duct is closed.

[0007] Further, the second air duct includes a first air guide wall and a second air guide wall, the first air guide wall and the second air guide wall are spaced apart, the second air guide wall is adjacent to the switching channel, the second air guide wall is provided with an air guide port, the second air duct is connected to the switching channel through the air guide port, and the air guide member is rotatably provided at the air guide port; wherein, when the air guide member is rotated to close the air guide port, the variable air duct is closed; when the air guide member is rotated to abut against the first air guide wall, the variable air duct is opened and the second air duct is closed.

[0008] Furthermore, the heat exchanger includes a first heat exchange region and a second heat exchange region, the first heat exchange region is distributed in the first air duct, and the second heat exchange region is distributed in the variable air duct, wherein the heat exchange area of ​​the first heat exchange region is larger than that of the second heat exchange region.

[0009] In a second aspect, the present invention further provides a method for controlling an air conditioner, which is applied to the indoor unit of the air conditioner in the first aspect, and the method comprises:

[0010] Receive air conditioning mode instructions;

[0011] If the air conditioning mode instruction is the comfortable wind mode, the variable air duct is controlled to be closed;

[0012] If the air conditioning mode instruction is a rapid heat exchange mode, the variable air duct is controlled to open.

[0013] In a third aspect, the present invention further provides a control device for an air conditioner, comprising a unit for executing the method of the second aspect.

[0014] In a fourth aspect, an embodiment of the present invention further provides a computer device, comprising a memory and a processor, wherein a computer program is stored in the memory, and the processor implements the method of the second aspect when executing the computer program.

[0015] In a fifth aspect, an embodiment of the present invention further provides a computer-readable storage medium, wherein the storage medium stores a computer program, and the computer program, when executed by a processor, can implement the method of the second aspect described above.

[0016] The present invention provides an indoor unit of an air conditioner, a control method, device, equipment and medium for the air conditioner. The indoor unit of the air conditioner includes: a heat exchanger, a first air duct, a second air duct, a variable air duct, a main air duct, a first crossflow fan blade and a second crossflow fan blade. The first crossflow fan blade and the second crossflow fan blade are respectively arranged in the first air duct and the second air duct. The first air duct and the second air duct merge into the main air duct. The heat exchanger is arranged in the first air duct. The air in the first air duct passes through the heat exchanger to become cold air (hot air). The air in the second air duct does not pass through the heat exchanger and becomes normal temperature air. The first air duct and the second air duct are connected by the variable air duct. The variable air duct can The variable duct can be opened and closed, wherein, when the variable duct is closed, the first duct and the second duct are independent of each other, and the normal temperature air in the second duct is mixed with the cold air (hot air) in the first duct in the main duct, so that air with moderate temperature can be blown out, thereby improving the comfort of air outlet; when the variable duct is closed, the first duct and the second duct are connected, and the normal temperature air in the second duct enters into the first duct and is converted into cold air (hot air) through the heat exchanger, thereby increasing the flow rate of cold air (hot air), thereby enabling rapid temperature adjustment and improving temperature adjustment efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying any creative work.

[0018] Figure 1 It is a side view schematic diagram of an indoor unit of an air conditioner in a comfortable wind mode according to an embodiment of the present invention;

[0019] Figure 2 A schematic side view of an indoor unit of an air conditioner in a rapid heat exchange mode according to an embodiment of the present invention;

[0020] Figure 3 A schematic flow chart of the steps of a method for controlling an air conditioner according to an embodiment of the present invention;

[0021] Figure 4 A schematic flow chart of a method for controlling an air conditioner according to another embodiment of the present invention;

[0022] Figure 5 A schematic block diagram of a control device for an air conditioner provided by an embodiment of the present invention;

[0023] Figure 6 A schematic block diagram of a computer device provided in an embodiment of the present invention;

[0024] Reference numerals:

[0025] 1. The first air duct;

[0026] 2. Second air duct; 21. First air guide wall; 22. Second air guide wall; 23. Air guide port;

[0027] 3. Variable air duct; 31. Switching channel; 32. Flow guide;

[0028] 4. Main air duct;

[0029] 5. The first crossflow fan blade;

[0030] 6. Second crossflow fan blade;

[0031] 7. Heat exchanger; 71. First heat exchange region; 72. Second heat exchange region. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] It should be understood that when used in this specification and the appended claims, the terms "include" and "comprises" indicate the presence of described features, integers, steps, operations, elements and / or components, but do not exclude the presence or addition of one or more other features, integers, steps, operations, elements, components and / or combinations thereof.

[0034] It should also be understood that the terms used in this specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. As used in the specification of the present invention and the appended claims, unless the context clearly indicates otherwise, the singular forms "a", "an" and "the" are intended to include plural forms.

[0035] It should be further understood that the term "and / or" used in the present description and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes these combinations.

[0036] As used in this specification and the appended claims, the term "if" may be interpreted as "when" or "upon" or "in response to determining" or "in response to detecting," depending on the context. Similarly, the phrases "if it is determined" or "if [described condition or event] is detected" may be interpreted as meaning "upon determination" or "in response to determining" or "upon detection of [described condition or event]" or "in response to detecting [described condition or event]," depending on the context.

[0037] In order to facilitate understanding of the present invention, the indoor unit of the air conditioner provided by the embodiment of the present invention is first described. Figure 1-Figure 2 An embodiment of the present invention provides an indoor unit of an air conditioner, comprising: a heat exchanger 7, a first air duct 1, a second air duct 2, a variable air duct 3, a main air duct 4, a first crossflow fan blade 5 and a second crossflow fan blade 6, wherein the heat exchanger 7 and the first crossflow fan blade 5 are arranged in the first air duct 1, and the second crossflow fan blade 6 is arranged in the second air duct 2, and the outlets of the first air duct 1 and the second air duct 2 are respectively merged and connected with the main air duct 4, and the variable air duct 3 can be opened and closed to connect the first air duct 1 and the second air duct 2; wherein, when the variable air duct 3 is closed, the first air duct 1 and the second air duct 2 are independent of each other; when the variable air duct 3 is opened, the first air duct 1 and the second air duct 2 are connected to each other.

[0038] Specifically, Figure 1 and Figure 2It is a side view of the indoor unit of the air conditioner. The main air duct 4 is the outlet air duct of the indoor unit of the air conditioner, and the air is blown out from the outlet of the main air duct 4. The first air duct 1 and the second air duct 2 are arranged adjacent to each other. The inlets of the first air duct 1 and the second air duct 2 are both facing the air inlet of the indoor unit of the air conditioner. The first air duct 1 and the second air duct 2 are both streamlined and extend toward the main air duct 4, and the outlets of the two converge into the main air duct 4. The heat exchanger 7 is arranged in the first air duct 1, and the first crossflow fan blade 5 is arranged at the downstream of the heat exchanger 7. Under the operation of the first crossflow fan blade 5, the air enters the first air duct 1 from the air inlet of the indoor unit of the air conditioner, first passes through the surface heat exchanger 7, then flows into the main air duct 4, and finally blows out from the outlet of the main air duct 4. Only the second crossflow fan blade 6 is arranged in the second air duct 2. Under the operation of the second crossflow fan blade 6, the air enters the second air duct 2 from the air inlet of the indoor unit of the air conditioner, directly flows into the main air duct 4, and finally blows out from the outlet of the main air duct 4. Since the air passes through the surface of the heat exchanger 7 in the first air duct 1, the air undergoes heat exchange, so the air in the first air duct 1 is cold air or hot air. However, there is no heat exchanger 7 in the second air duct 2, and the air does not undergo heat exchange, so the air in the second air duct 2 is normal temperature air. The first air duct 1 and the second air duct 2 are connected through the variable air duct 3, and the variable air duct 3 can be opened and closed. When it is opened, the first air duct 1 and the second air duct 2 are connected, and when it is closed, the first air duct 1 and the second air duct 2 are disconnected. Then, when the variable air duct 3 is opened, the first air duct 1 and the second air duct 2 are connected, so that the first air duct 1 and the second air duct 2 are connected, so that the air in the second air duct 2 can flow to the first air duct 1, and more air passes through the surface of the heat exchanger 7 for heat exchange, increasing the air flow through the heat exchanger 7, so that the temperature can be lowered or raised faster, and the temperature can be quickly adjusted to the set temperature, so as to achieve the purpose of rapid temperature adjustment and improve the temperature adjustment efficiency. When the variable air duct 3 is closed, the first air duct 1 and the second air duct 2 are disconnected, so that the first air duct 1 and the second air duct 2 are independent of each other, and the two do not affect each other. In this way, the air in the first air duct 1 becomes cold air or hot air after heat exchange and enters the main air duct 4, and the air in the second air duct 2 flows directly to the main air duct 4 as normal temperature air without heat exchange. The two air flows are mixed to neutralize the air temperature, avoid the blown air from being too cold or too hot, and improve the comfort of the air outlet. It should be noted that there are many structures of the variable air duct 3. No matter what structure it is, as long as it can connect or separate the first air duct 1 and the second air duct 2, it is not limited here.

[0039] Through this embodiment, compared with the traditional single-flow fan blade air conditioner indoor unit, this embodiment, on the one hand, introduces room temperature air into the room and mixes it with the cold air or hot air that has undergone heat exchange, neutralizes the temperature, avoids direct blowing of cold air or hot air, and improves human comfort; on the other hand, it increases the flow rate of air flowing through the surface of the heat exchanger 7, speeds up the cooling or heating speed, and improves the temperature control efficiency.

[0040] Reference Figure 1and Figure 2 In one embodiment, the variable air duct 3 includes a switching channel 31 and a guide 32, the switching channel 31 is connected to the first air duct 1 and the second air duct 2, and the guide 32 is rotatably arranged in the switching channel 31 and the second air duct 2; wherein, when the guide 32 rotates to the second air duct 2, the variable air duct 3 is opened; when the guide 32 rotates to the switching channel 31, the variable air duct 3 is closed. Specifically, the variable air duct 3 includes a switching channel 31 and a guide 32, the switching channel 31 is used as a fixed air duct structure to connect the first air duct 1 and the second air duct 2, and the first air duct 1 and the second air duct 2 can be connected through the switching channel 31. The guide 32 can be arranged in the switching channel 31, or in the second air duct 2, the guide 32 can rotate in the switching channel 31 and the second air duct 2, and the rotation of the guide 32 can be driven by a motor, and the motor can be used to control the rotation angle of the guide 32, so that the guide 32 can rotate to a suitable position. When the guide member 32 turns to the second air duct 2, the switching channel 31 will open, so that the switching channel 31 connects the first air duct 1 and the second air duct 2, and the first air duct 1 and the second air duct 2 are connected to each other. When the guide member 32 turns to the switching channel 31, the switching channel 31 is closed by the guide member 32, and the switching channel 31 will be closed, separating the first air duct 1 from the second air duct 2. The first air duct 1 and the second air duct 2 are independent of each other, and the air in the two air ducts does not affect each other. It should be noted that the structure of the guide member 32 can be various. No matter what structure it is, it is not limited here as long as it can rotate to change the direction of the airflow. The opening and closing of the variable air duct 3 is achieved by the rotatable guide member 32, which has a simple structure, convenient drive control, and high reliability.

[0041] Reference Figure 1 and Figure 2In one embodiment, the second air duct 2 includes a first air guide wall 21 and a second air guide wall 22, the first air guide wall 21 and the second air guide wall 22 are spaced apart, the second air guide wall 22 is adjacent to the switching channel 31, a guide port 23 is provided on the second air guide wall 22, the second air duct 2 is connected to the switching channel 31 through the guide port 23, and the guide member 32 is rotatably arranged at the guide port 23; wherein, when the guide member 32 rotates to close the guide port 23, the variable air duct 3 is closed; when the guide member 32 rotates to abut against the first air guide wall 21, the variable air duct 3 is opened and the second air duct 2 is closed. Specifically, the first air guide wall 21 and the second air guide wall 22 are spaced apart, with a certain distance between them, the second air duct 2 is defined between the first air guide wall 21 and the second air guide wall 22, and the second crossflow blade 6 is arranged at a position of the second air duct 2 close to the air inlet of the indoor unit of the air conditioner. The second air duct 2 is adjacent to the first air duct 1, the second air guide wall 22 is located on the side close to the first air duct 1, and the first air guide wall 21 is located on the side away from the first air duct 1. A guide port 23 is provided on the second air guide wall 22, one end of the switching channel 31 is connected to the guide port 23, and the other end of the switching channel 31 is connected to the first air duct 1, so that air can enter the switching channel 31 from the second air duct 2 through the guide port 23, and then flow to the first air duct 1. The guide member 32 can be a guide vane, and the guide vane is provided with a rotating shaft end, which is controlled by a stepping motor to rotate around the rotating shaft end. The rotating shaft end of the guide vane is arranged on the guide port 23, and the area of ​​the guide vane matches the area of ​​the guide port 23. Under the drive of the motor, the guide vane can rotate to cover the guide port 23, close the guide port 23, and thus close the switching channel 31, that is, close the variable air duct 3. In addition, the guide blades can also rotate in the opposite direction under the drive of the motor. The guide blades rotate in the direction of the first air guide wall 21, open the guide port 23, rotate into the second air duct 2, and gradually open until they abut against the first air guide wall 21 and stop. In this way, the guide port 23 is opened and because the side of the guide blade away from the rotating shaft end abuts against the first air guide wall 21, the entire guide blade laterally blocks the second air duct 2, so that the second air duct 2 is closed, and all the air enters the switching channel 31 from the guide port 23, and then enters the first air duct 1 from the switching channel 31. It can be seen that the guide member 32 has two positions in the air conditioner indoor unit, position one is on the guide port 23, and position two is in the second air duct 2. When the guide member 32 rotates to position one, the switching channel 31 is completely blocked, and the indoor air can enter the second air duct 2 through the second cross-flow fan blade 6. The second air duct 2 intersects with the first air duct 1 and converges in the main air duct 4. In the cooling mode, the higher temperature air in the second air duct 2 will be mixed with the lower temperature air in the first air duct 1 to obtain air with a more comfortable temperature, and finally blown out from the main air duct 4, thereby avoiding direct blowing of cold air.In the heating mode, the lower temperature air in the second air duct 2 will mix with the higher temperature air in the first air duct 1 to obtain air at a more comfortable temperature, and finally blow out from the main air duct 4, thereby avoiding direct hot air. When the guide vane rotates to position 2, the second air duct 2 is completely blocked, and the air at the indoor ambient temperature introduced by the second crossflow vane 6 will all enter the switching channel 31 and be transported from the switching channel 31 to the first air duct 1. The air flow through the heat exchanger 7 is increased, and the overall utilization rate of the heat exchanger 7 is higher, thereby achieving rapid adjustment of the indoor ambient temperature.

[0042] Continue to refer to Figure 2 In one embodiment, the heat exchanger 7 includes a first heat exchange area 71 and a second heat exchange area 72, the first crossflow fan blade 5 is arranged downstream of the first heat exchange area 71, and one side of the second heat exchange area 72 is arranged toward the variable air duct 3, wherein the heat exchange area of ​​the first heat exchange area 71 is larger than that of the second heat exchange area 72. Specifically, the heat exchanger 7 of this embodiment is a three-fold heat exchanger 7, the first heat exchange area 71 is a two-fold area, and the second heat exchange area 72 is a one-fold area, therefore, the heat exchange area of ​​the first heat exchange area 71 is larger than that of the second heat exchange area 72. The first crossflow fan blade 5 is located below the first heat exchange area 7, and under the operation of the first crossflow fan blade 5, the air first passes through the first heat exchange area 71 for heat exchange and then merges into the main air duct 4. One side of the second heat exchange area 72 faces the variable air duct 3. When the variable air duct 3 is opened, the air in the second air duct 2 can pass through the second heat exchange area 72 after passing through the variable air duct 3. After the air passes through the second heat exchange area 72, it enters the first air duct 1 and finally flows to the main air duct 4. Compared with the design of a single cross-flow fan blade of a traditional air conditioner indoor unit, the air volume in some areas of the heat exchanger 7 is low, and the area of ​​the heat exchanger 7 cannot be fully utilized. In this embodiment, the double cross-flow fan blades are combined with the variable air duct 3 structure to utilize both the first heat exchange area 71 with two folds and the second heat exchange area 72 with one fold, so that the area of ​​the heat exchanger 7 is fully utilized. The air of the indoor ambient temperature introduced by the second cross-flow fan blade 6 can all enter the switching channel 31 and flow to the second heat exchange area 72, so that the air flow rate of the second heat exchange area 72 is increased, and the overall utilization rate of the heat exchanger 7 is higher, thereby realizing rapid adjustment of the indoor ambient temperature, improving the efficiency of rapid cooling (heating), and significantly shortening the time to reach the set temperature.

[0043] In summary, this embodiment adopts the design of double cross-flow blades and variable air duct 3 structure. The first cross-flow blade 5 is mainly used to make the indoor air flow through the heat exchanger 7 to achieve the purpose of air heat exchange. Under the design of the variable air duct 3, the second cross-flow blade 6 has a dual function. In the comfort wind mode, it introduces normal temperature air and mixes with cold air (hot air), and blows out air with moderate temperature by adjusting its rotation speed; in the rapid cooling mode, it increases the flow through the heat exchanger 7 to achieve rapid indoor temperature control.

[0044] See also Figure 3 , Figure 3 Flow chart of the control method of the air conditioner provided in the embodiment of the present invention. The air conditioner indoor unit applied to the above embodiment has been described in detail in the above embodiment. For the sake of brevity of the specification, it will not be repeated here. The control method of the air conditioner is described in detail below. Figure 3 As shown, the method includes the following steps: S110-S130.

[0045] S110, receiving an air conditioning mode instruction;

[0046] S120, if the air conditioning mode instruction is the comfortable wind mode, control the variable air duct 3 to be closed;

[0047] S130: If the air conditioning mode instruction is a rapid heat exchange mode, the variable air duct 3 is controlled to open.

[0048] In this embodiment, the air conditioning mode cooling includes a comfortable mode and a rapid heat exchange mode. The air conditioning mode cooling can be sent by the user using a remote control command signal, and the air conditioner indoor unit receives the air conditioning mode cooling. The comfortable wind mode is a mode in which the air temperature blown out by the air conditioner is suitable and makes the human body feel comfortable. The rapid heat exchange mode is a mode in which the indoor temperature needs to be quickly adjusted and a large amount of cold or heat is required to be discharged. When the air conditioning mode instruction is the comfortable mode, the variable air duct 3 is controlled to be closed, that is, the guide member 32 is controlled by the motor to rotate to position one, and the guide member 32 closes the guide port 23 to close the switching channel 31, thereby cutting off the first air duct 1 and the second air duct 2, so that the first air duct 1 and the second air duct 2 are independent of each other, then the normal temperature air in the second air duct 2 is merged into the main air duct 4 under the operation of the second cross flow fan blade 6, and is mixed with the cold air or hot air of the first air duct 1, and the temperature is neutralized, so that the air temperature blown out of the main air duct 4 is suitable, will not be too cold or too hot, avoid the direct blowing of cold air or hot air, and improve the comfort of air outlet. When the air conditioning mode is in the fast heat exchange mode, the variable air duct 3 is controlled to open, that is, the guide member 32 is controlled by the motor to rotate to position two, the guide member 32 opens the guide port 23 and seals the second air duct 2, and the switching channel 31 is opened, so that the first air duct 1 and the second air duct 2 are interconnected. Then, the normal temperature air in the second air duct 2 all enters the first air duct 1 through the switching channel 31 under the operation of the second cross-flow fan blade 6 and flows to the folding area of ​​the heat exchanger 7, which makes full use of the area of ​​the heat exchanger 7, so that more air is heat-exchanged, and the flow rate of air flowing through the heat exchanger 7 is increased, which can achieve rapid cooling or heating and improve the temperature regulation efficiency.

[0049] In one embodiment, if Figure 4 As shown, after step S120, the following steps are further included: S140-S160.

[0050] S140, obtaining a first temperature in the first air duct 1, a second temperature in the second air duct 2, and obtaining a first wind speed in the first air duct 1 through a first wind speed sensor, and obtaining a cross-sectional area of ​​the first wind speed sensor;

[0051] S150, receiving a target set temperature, and determining a target flow rate of the second air duct 2 by a preset flow rate formula according to the first temperature, the second temperature, the first wind speed, the cross-sectional area, and the target set temperature;

[0052] S160, converting the rotation speed according to the target flow rate to determine the target rotation speed of the second crossflow blade 6, and controlling the operation of the second crossflow blade 6 according to the target rotation speed.

[0053] Specifically, a first wind speed sensor and a temperature sensor are provided in the first air duct 1. The first wind speed sensor is used to detect the first wind speed V1 in the first air duct 1. The cross-sectional area S1 of the first wind speed sensor is a design parameter and can be directly obtained without measurement. The temperature sensor is used to detect the air temperature in the first air duct 1 as the first temperature T1. The air temperature in the second air duct 2 is approximately the indoor ambient temperature and can be measured by the indoor ambient temperature sensing package as the second temperature T2. The target setting temperature T is the temperature set by the user and can be set by the remote control. The air conditioner indoor unit receives the target setting temperature set by the user. After obtaining T1, T2, V1, S1 and receiving T, the required target flow Q of the second air duct 2 can be calculated by the preset flow formula, so as to achieve the air with the target setting temperature set by the final user. That is, if the target setting temperature T is to be reached, the second air duct needs to provide air with a target flow Q to mix with the air in the first air duct 1. Among them, the preset flow formula is as follows:

[0054]

[0055] Among them, Q is the target speed, T is the target set temperature, T1 is the first temperature, T2 is the second temperature, V1 is the first wind speed, and S1 is the cross-sectional area of ​​the first wind speed sensor. T is input into the preset formula flow for calculation, and the target flow Q can be obtained through the preset flow formula. The target flow Q is related to the speed of the second crossflow fan blade 6. Before the air conditioner is shipped, the designer obtains the relationship between the speed n of the second crossflow fan blade 6 and the flow of the second air duct 2 through experiments, Q=f(n). During actual operation, the air conditioner will query the corresponding speed n of the second crossflow fan blade 6 according to the calculated Q, and send a signal to adjust the speed of the second crossflow fan blade 6 in real time. Finally, the air in the second air duct 2 will be mixed with the air in the first air duct 1 to obtain air with the user-set temperature, which will be blown out from the main air duct 4. Through this embodiment, according to the target setting temperature set by the user, the speed of the second crossflow fan blade 6 can be flexibly adjusted to achieve a specific air outlet temperature, improve user comfort, and have a high degree of intelligence.

[0056] For example, assume that the above parameters T is 27°C, T1 is 25°C, T2 is 30°C, V1 is 2m / s, and S1 is 0.1m 2 , calculated by the preset flow formula, Q = 0.1333m 3 / s, according to the relationship between the rotation speed n of the second crossflow blade 6 and the flow rate Q of the second air duct 2, it is assumed that this relationship has been determined by the designer through experiments and recorded in a lookup table. For example, for every increase of 0.1m 3 / s flow demand, the speed of the second crossflow fan blade 6 needs to be increased by 100RPM. Based on this, in order to achieve 0.1333m 3 / s target flow rate, the rotation speed of the second cross flow blade 6 should be increased by about 133RPM accordingly (the actual value depends on the specific lookup table data). In this way, the air conditioner can automatically adjust the rotation speed of the second cross flow blade 6 according to the user's set temperature, thereby accurately controlling the air outlet temperature and providing a more comfortable living environment.

[0057] To sum up, through this embodiment, in the rapid heat exchange mode, the time to reach the set temperature is significantly shortened, thereby improving the cooling (heating) efficiency; in the comfortable wind mode, wind of appropriate temperature is blown out according to user needs, thereby improving the user's comfort; through the double cross-flow fan blades and variable air duct design, mode switching is achieved, and functions are diversified.

[0058] Figure 5 2 is a schematic block diagram of a control device 200 for an air conditioner provided in an embodiment of the present invention. Figure 5As shown, corresponding to the above air conditioner control method, the present invention also provides an air conditioner control device 200. The air conditioner control device 200 includes a unit for executing the above air conditioner control method, and the device can be configured in a computer device. Figure 5 The control device 200 of the air conditioner includes: a receiving unit 201, a wind-blowing unit 202 and a rapid heat-exchanging unit 203.

[0059] Among them, the receiving unit 201 is used to receive the air-conditioning mode instruction; the comfortable wind unit 202 is used to control the variable air duct to close if the air-conditioning mode instruction is the comfortable wind mode; the rapid heat exchange unit 203 is used to control the variable air duct to open if the air-conditioning mode instruction is the rapid heat exchange mode.

[0060] In one embodiment, the air conditioner control device 200 further includes: an acquisition unit, a calculation unit and a rotation speed control unit.

[0061] Among them, the acquisition unit is used to obtain the first temperature in the first air duct, the second temperature in the second air duct, and obtain the first wind speed in the first air duct through the first wind speed sensor, and obtain the cross-sectional area of ​​the first wind speed sensor; the calculation unit is used to receive the target set temperature, and determine the target flow of the second air duct through a preset flow formula according to the first temperature, the second temperature, the first wind speed, the cross-sectional area and the target set temperature; the speed control unit is used to convert the speed according to the target flow to determine the target speed of the second crossflow fan blade, and control the operation of the second crossflow fan blade according to the target speed.

[0062] The control device 200 of the air conditioner can be implemented in the form of a computer program. Figure 6 Runs on the computer device shown.

[0063] See also Figure 6 , Figure 6 5 is a schematic block diagram of a computer device provided in an embodiment of the present application. The computer device 500 may be a terminal.

[0064] See also Figure 6 The computer device 500 includes a processor 502 , a memory and a network interface 505 connected via a system bus 501 , wherein the memory may include a non-volatile storage medium 503 and an internal memory 504 .

[0065] The non-volatile storage medium 503 can store an operating system 5031 and a computer program 5032. The computer program 5032 includes program instructions, and when the program instructions are executed, the processor 502 can execute a method for controlling an air conditioner.

[0066] The processor 502 is used to provide computing and control capabilities to support the operation of the entire computer device 500 .

[0067] The internal memory 504 provides an environment for the operation of the computer program 5032 in the non-volatile storage medium 503. When the computer program 5032 is executed by the processor 502, the processor 502 can execute a method for controlling an air conditioner.

[0068] The network interface 505 is used to communicate with other devices over the network. Figure 6 The structure shown in the figure is merely a block diagram of a portion of the structure related to the solution of the present application, and does not constitute a limitation on the computer device 500 to which the solution of the present application is applied. The specific computer device 500 may include more or fewer components than those shown in the figure, or combine certain components, or have a different arrangement of components.

[0069] The processor 502 is used to run a computer program 5032 stored in the memory to implement the steps of the above method.

[0070] It should be understood that in the embodiment of the present application, the processor 502 may be a central processing unit (CPU), and the processor 502 may also be other general-purpose processors, digital signal processors (DSP), application-specific integrated circuits (ASIC), field-programmable gate arrays (FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc. Among them, the general-purpose processor may be a microprocessor or the processor may also be any conventional processor, etc.

[0071] It can be understood by those skilled in the art that all or part of the processes in the method for implementing the above embodiment can be completed by instructing the relevant hardware through a computer program. The computer program includes program instructions, and the computer program can be stored in a storage medium, which is a computer-readable storage medium. The program instructions are executed by at least one processor in the computer system to implement the process steps of the embodiment of the above method.

[0072] Therefore, the present invention also provides a storage medium. The storage medium may be a computer-readable storage medium. The storage medium stores a computer program, wherein the computer program includes program instructions. When the program instructions are executed by a processor, the processor executes the steps of the above method.

[0073] The storage medium may be a USB flash drive, a mobile hard disk, a read-only memory (ROM), a magnetic disk, or an optical disk, etc., which are computer-readable storage media that can store program codes.

[0074] Those of ordinary skill in the art will appreciate that the units and algorithm steps of each example described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, computer software, or a combination of the two. In order to clearly illustrate the interchangeability of hardware and software, the composition and steps of each example have been generally described in terms of function in the above description. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the technical solution. Professional and technical personnel can use different methods to implement the described functions for each specific application, but such implementation should not be considered to be beyond the scope of the present invention.

[0075] In the several embodiments provided by the present invention, it should be understood that the disclosed devices and methods can be implemented in other ways. For example, the device embodiments described above are only schematic. For example, the division of each unit is only a logical function division, and there may be other division methods in actual implementation. For example, multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed.

[0076] The steps in the method of the embodiment of the present invention can be adjusted in order, combined and deleted according to actual needs. The units in the device of the embodiment of the present invention can be combined, divided and deleted according to actual needs. In addition, the functional units in the various embodiments of the present invention can be integrated into one processing unit, or each unit can exist physically separately, or two or more units can be integrated into one unit.

[0077] If the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a storage medium. Based on this understanding, the technical solution of the present invention is essentially or the part that contributes to the prior art, or all or part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including several instructions for a computer device to execute all or part of the steps of the method described in each embodiment of the present invention.

[0078] In the above embodiments, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0079] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

[0080] The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can easily think of various equivalent modifications or replacements within the technical scope disclosed by the present invention, and these modifications or replacements should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention shall be based on the protection scope of the claims.

Claims

1. An air conditioner indoor unit, characterized in that: include: A heat exchanger, a first air duct, a second air duct, a variable air duct, a main air duct, a first crossflow fan blade, and a second crossflow fan blade, wherein the heat exchanger and the first crossflow fan blade are arranged in the first air duct, the second crossflow fan blade is arranged in the second air duct, the outlets of the first air duct and the second air duct are respectively connected to the main air duct, and the variable air duct can be connected to the first air duct and the second air duct in an openable and closable manner; Wherein, when the variable air duct is closed, the first air duct and the second air duct are independent of each other; when the variable air duct is opened, the first air duct and the second air duct are connected to each other.

2. The air conditioner indoor unit according to claim 1, characterized in that: The variable air duct includes a switching channel and a guide member, the switching channel is connected to the first air duct and the second air duct, and the guide member is rotatably provided in the switching channel and the second air duct; wherein, when the guide member rotates into the second air duct, the variable air duct is opened; and when the guide member rotates into the switching channel, the variable air duct is closed.

3. The air conditioner indoor unit according to claim 2, characterized in that: The second air duct includes a first air guide wall and a second air guide wall, the first air guide wall and the second air guide wall are spaced apart, the second air guide wall is adjacent to the switching channel, an air guide port is provided on the second air guide wall, the second air duct is connected to the switching channel through the air guide port, and the air guide member is rotatably provided at the air guide port; wherein, when the air guide member is rotated to close the air guide port, the variable air duct is closed; when the air guide member is rotated to abut against the first air guide wall, the variable air duct is opened and the second air duct is closed.

4. The air conditioner indoor unit according to any one of claims 1 to 3, characterized in that: The heat exchanger includes a first heat exchange region and a second heat exchange region, the first cross-flow fan blade is arranged downstream of the first heat exchange region, and one side of the second heat exchange region is arranged toward the variable air duct, wherein the heat exchange area of ​​the first heat exchange region is larger than that of the second heat exchange region.

5. A method for controlling an air conditioner, characterized in that: Applied to the air conditioner indoor unit according to any one of claims 1 to 4, the method comprises: Receive air conditioning mode instructions; If the air conditioning mode instruction is the comfortable wind mode, the variable air duct is controlled to be closed; If the air conditioning mode instruction is a rapid heat exchange mode, the variable air duct is controlled to open.

6. The method according to claim 5, characterized in that After the step of controlling the variable air duct to close, the method further includes: Acquire a first temperature in the first air duct, a second temperature in the second air duct, and acquire a first wind speed in the first air duct through a first wind speed sensor, and acquire a cross-sectional area of ​​the first wind speed sensor; receiving a target set temperature, and determining a target flow rate of the second air duct by a preset flow rate formula according to the first temperature, the second temperature, the first wind speed, the cross-sectional area, and the target set temperature; The target speed of the second cross flow blade is determined by performing speed conversion according to the target flow rate, and the operation of the second cross flow blade is controlled according to the target speed.

7. The method according to claim 6, characterized in that The preset flow formula includes: Among them, Q is the target rotation speed, T is the target setting temperature, T1 is the first temperature, T2 is the second temperature, V1 is the first wind speed, and S1 is the cross-sectional area of ​​the first wind speed sensor.

8. A control device for an air conditioner, characterized in that: The apparatus comprises means for executing the method according to any one of claims 5 to 7 above.

9. A computer device, characterized in that: The computer device comprises a memory and a processor, wherein a computer program is stored in the memory, and when the processor executes the computer program, the method according to any one of claims 5 to 7 is implemented.

10. A computer-readable storage medium, characterized in that: The storage medium stores a computer program, and when the computer program is executed by a processor, the method according to any one of claims 5 to 7 can be implemented.

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