Floor air conditioner and control method thereof

Abstract

The invention discloses a floor air conditioner and a control method thereof.The floor air conditioner comprises a refrigerant circulation loop, an air outlet, a plurality of air deflectors, a first millimeter-wave radar, a second millimeter-wave radar and a controller, and the controller is configured to respond to an opening instruction of a child direct blowing prevention function when the opening instruction is received; acquiring a first number of people and a second number of people, and controlling the opening degree of the air deflector according to the first number of people and the second number of people. According to the floor air conditioner disclosed by the invention, when a child direct blowing prevention function is started, the area in front of the air conditioner can be subjected to partitioned detection in the vertical direction through the first millimeter-wave radar and the second millimeter-wave radar, the number of people in different areas is obtained and compared, and the opening degree of the air deflector is controlled according to a comparison result; cold air is prevented from being directly blown to children, the function of preventing children from being directly blown is achieved, and comfort of users is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of air conditioners, and more particularly to a floor-standing air conditioner and a control method thereof. Background Art

[0002] In a smart home, a floor-standing air conditioner uses a form of segmented air supply with a vertical air deflector, in combination with a human infrared sensor or a radar sensor. The sensor is placed at a certain height. By enabling a specific function mode, it identifies whether there is a human body in a certain area in front of this height, thereby turning on the lower no-wind feeling to achieve the purpose of protecting children from cold air. However, if the detection part of the sensor is blocked by something, this function will also be triggered, and it cannot accurately identify children and adults. If there is an adult in this area, the lower no-wind feeling will also be turned on. Summary of the Invention

[0003] The present invention aims to at least solve one of the technical problems existing in the prior art. For this purpose, an object of the present invention is to provide a floor-standing air conditioner and a control method thereof.

[0004] A floor-standing air conditioner provided by the present invention includes: a refrigerant circulation circuit that enables the refrigerant to perform a refrigeration cycle in a circuit composed of a compressor, a condenser, an electronic expansion valve, and an evaporator, where one of the condenser and the evaporator is an outdoor heat exchanger and the other is an indoor heat exchanger; an air outlet that extends vertically on the casing; a plurality of air deflectors disposed at the air outlet, and each air deflector adjusts the outflow direction of the air flowing through the air outlet by changing its relative rotation angle with respect to the air outlet; a first millimeter-wave radar disposed at a preset height of the air outlet, the first millimeter-wave radar being connected to a controller, and the first millimeter-wave radar being configured to detect a first number of people in a region above the preset height in front of the air outlet; a second millimeter-wave radar disposed at the air outlet and at the same height as the first millimeter-wave radar, the second millimeter-wave radar being connected to the controller, and the second millimeter-wave radar being configured to detect a second number of people in a region below the preset height in front of the air outlet; the controller being configured to: when receiving an opening instruction for the child anti-direct-blow function, in response to this instruction, obtain the first number of people and the second number of people, and control the opening degree of the air deflector according to the first number of people and the second number of people.

[0005] In addition, the floor-standing air conditioner according to an embodiment of the present invention may further have the following additional technical features:

[0006] Further, the air deflector includes an upper air deflector and a lower air deflector. When controlling the opening degree of the air deflector according to the first number of people and the second number of people, the controller is specifically configured to: when the second number of people is greater than the first number of people, control the lower air deflector to rotate to the horizontal limit position; when the second number of people is not greater than the first number of people, control the opening degree of the lower air deflector to remain unchanged.

[0007] Further, before controlling the lower air deflector to rotate to the horizontal limit position, the controller is further configured to: after a preset time delay, determine whether the second number of people is greater than the first number of people; when it is determined that the second number of people is greater than the first number of people, control the lower air deflector to rotate to the horizontal limit position; when it is determined that the second number of people is not greater than the first number of people, control the opening degree of the lower air deflector to remain unchanged.

[0008] Further, the first millimeter-wave radar is configured to have a first preset angle of detection in the horizontal direction, and the second millimeter-wave radar is configured to have a second preset angle of detection in the horizontal direction. The first preset angle and the second preset angle are symmetric about the vertical direction, and the detection distances of the first millimeter-wave radar and the second millimeter-wave radar in the horizontal direction are preset distances. When controlling the opening degree of the air deflector according to the first number of people and the second number of people, the controller is specifically configured to: when the second number of people is greater than the first number of people, control the opening degree of the air deflector according to the detection area formed by the first millimeter-wave radar and the second millimeter-wave radar in the horizontal direction; when the second number of people is not greater than the first number of people, control the opening degree of the air deflector to remain unchanged.

[0009] Further, when controlling the opening degree of the air deflector according to the detection area formed by the first millimeter-wave radar and the second millimeter-wave radar in the horizontal direction, the controller is specifically configured to: divide the detection area into n sub-areas; control the opening degree of the air deflector according to the first number of people and the second number of people in each sub-area.

[0010] Further, when controlling the opening degree of the air deflector according to the first number of people and the second number of people in each sub-area, the controller is specifically configured to: determine whether the second number of people in the current sub-area is greater than the first number of people; if the second number of people in the current sub-area is greater than the first number of people, control the opening degree of the air deflector according to the first number of people and the second number of people in the next sub-area; if the second number of people in the current sub-area is not greater than the first number of people, control the air deflector to rotate into the current sub-area.

[0011] Further, control the opening degree of the air deflector according to the first number of people and the second number of people in the next sub-region. Specifically, the controller is configured as follows: if the second number of people in the next sub-region is greater than the first number of people, return to execute the step of controlling the opening degree of the air deflector according to the first number of people and the second number of people in the next sub-region; if the second number of people in the next sub-region is not greater than the first number of people, control the air deflector to rotate into the next sub-region.

[0012] Further, the air deflector is the lower air deflector in the segmented air deflector, or the air deflector is a non-segmented air deflector.

[0013] Further, the controller is further configured to: in response to a control instruction to turn off the child anti-direct-blow mode, control the opening degree of the air deflector to remain unchanged.

[0014] For the floor-standing air conditioner according to an embodiment of the present invention, when the child anti-direct-blow function is turned on, the first millimeter-wave radar and the second millimeter-wave radar provided can perform zoning detection on the area in front of the air conditioner in the vertical direction, obtain the number of people in different areas, and compare them. According to the comparison result, control the opening degree of the air deflector to avoid cold air blowing directly on children, realize the function of child anti-direct-blow, and improve the comfort of users.

[0015] In view of the above problems, the present invention also proposes a control method for a floor-standing air conditioner, which is used for the floor-standing air conditioner as described in any of the above embodiments. The method includes the following steps: when receiving an opening instruction for the child anti-direct-blow function, in response to this instruction, obtain the first number of people and the second number of people, and control the opening degree of the air deflector according to the first number of people and the second number of people.

[0016] For the control method of the floor-standing air conditioner according to an embodiment of the present invention, when the child anti-direct-blow function is turned on, the first millimeter-wave radar and the second millimeter-wave radar provided can perform zoning detection on the area in front of the air conditioner in the vertical direction, obtain the number of people in different areas, and compare them. According to the comparison result, control the opening degree of the air deflector to avoid cold air blowing directly on children, realize the function of child anti-direct-blow, and improve the comfort of users.

[0017] The additional aspects and advantages of the present invention will be partially given in the following description, partially become obvious from the following description, or be understood through the practice of the present invention. Description of the Drawings

[0018] The above and / or additional aspects and advantages of the present invention will become obvious and easy to understand from the description of the embodiments in conjunction with the following drawings, where:

[0019] Figure 1Schematic structural diagram of a controller according to an embodiment of the present invention;

[0020] Figure 2 Schematic structural diagram of a vertical air conditioner according to an embodiment of the present invention;

[0021] Figure 3 Schematic diagram of the vertical direction detection principle of a vertical air conditioner according to an embodiment of the present invention;

[0022] Figure 4 Control flowchart of a vertical air conditioner according to an embodiment of the present invention;

[0023] Figure 5 Schematic structural diagram of a vertical air conditioner according to another embodiment of the present invention;

[0024] Figure 6 Schematic diagram of the horizontal direction detection principle of a vertical air conditioner according to an embodiment of the present invention;

[0025] Figure 7 Control flowchart of a vertical air conditioner according to another embodiment of the present invention;

[0026] Figure 8 Flowchart of the control method of a vertical air conditioner according to an embodiment of the present invention.

[0027] Reference numerals:

[0028] Vertical air conditioner - 1; Refrigerant circulation circuit - 10; Air outlet - 20; Multiple air deflector plates - 30; First millimeter-wave radar - 40; Second millimeter-wave radar - 50; Controller - 71. Detailed implementation manners

[0029] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0030] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present invention.

[0031] The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present invention, unless otherwise specified, the meaning of "a plurality" is two or more.

[0032] In the description of the present invention, it should be noted that, unless otherwise clearly specified and defined, the terms "mounted", "connected" and "coupled" shall be construed broadly. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] The vertical air conditioner in the present invention performs a refrigeration cycle by using a compressor, a condenser, an electronic expansion valve, and an evaporator. The refrigeration cycle includes a series of processes involving compression, condensation, expansion, and evaporation, and supplies refrigerant to the air that has been conditioned and heat-exchanged.

[0034] The compressor compresses the refrigerant gas in a high-temperature and high-pressure state and discharges the compressed refrigerant gas. The discharged refrigerant gas flows into the condenser. The condenser condenses the compressed refrigerant into a liquid phase, and heat is released to the surrounding environment through the condensation process.

[0035] The electronic expansion valve expands the liquid-phase refrigerant in a high-temperature and high-pressure state condensed in the condenser into a low-pressure liquid-phase refrigerant. The evaporator evaporates the refrigerant expanded in the electronic expansion valve and returns the refrigerant gas in a low-temperature and low-pressure state to the compressor. The evaporator can achieve a refrigeration effect by using the latent heat of evaporation of the refrigerant to perform heat exchange with the material to be cooled. Throughout the cycle, the vertical air conditioner can adjust the temperature of the indoor space.

[0036] In the embodiment shown in the present application, the vertical air conditioner 1 further includes a controller 71, which refers to a device that can generate an operation control signal according to an instruction operation code and a timing signal to instruct the vertical air conditioner 1 to execute a control instruction. For example, in response to a power-on or power-off instruction issued by a user received, the controller 71 can execute an operation related to the object selected by the power-on or power-off instruction.

[0037] The present application embodiment also provides a schematic diagram of the hardware structure of a controller 71, as Figure 1 shown, the controller 71 includes a processor 83. Optionally, it further includes a memory 82 and a communication interface 84 connected to the processor 83. The processor 83, the memory 82, and the communication interface 84 are connected through a bus 81.

[0038] The processor 83 can be a central processing unit (CPU), a general-purpose processor 83, a network processor 83 (NP), a digital signal processor 83 (DSP), a microprocessor 83, a microcontroller 83, a programmable logic device (PLD), or any combination thereof. The processor 83 can also be any other device with processing capabilities, such as a circuit, a device, or a software module. The processor 83 can also include multiple CPUs, and the processor 83 can be a single-CPU processor 83 or a multi-CPU processor 83. The processor 83 here can refer to one or more devices, circuits, or processing cores for processing data (such as computer program instructions).

[0039] The memory 82 can be a read-only memory (ROM) or other types of static storage devices that can store static information and instructions, a random access memory (RAM), or other types of dynamic storage devices that can store information and instructions. It can also be an electrically erasable programmable read-only memory (EEPROM), a compact disc read-only memory (CD-ROM), or other optical disc storage, optical disc storage (including compact discs, laser discs, optical discs, digital versatile discs, Blu-ray discs, etc.), magnetic disk storage media, or any other medium that can be used to carry or store the desired program code in the form of instructions or data structures and can be accessed by a computer. The embodiments of the present application do not impose any restrictions on this. The memory 82 can exist independently or be integrated with the processor 83. Among them, the memory 82 can contain computer program code. The processor 83 is used to execute the computer program code stored in the memory 82, so as to implement the control method of the floor-standing air conditioner 1 provided by the embodiments of the present application.

[0040] The communication interface 84 can be used to communicate with other devices or communication networks (such as Ethernet, radio access network (RAN), wireless local area networks (WLAN), etc.). The communication interface 84 can be a module, a circuit, a transceiver, or any device capable of implementing communication.

[0041] The bus 81 can be a Peripheral Component Interconnect (PCI) bus 81, an Extended Industry Standard Architecture (EISA) bus 81, etc. The bus 81 can be divided into an address bus 81, a data bus 81, a control bus 81, etc.

[0042] Next, refer to Figures 2 - 8 to describe the vertical air conditioner 1 and its control method according to an embodiment of the present invention.

[0043] Figure 2 is a schematic structural diagram of the vertical air conditioner 1 according to an embodiment of the present invention.

[0044] As Figure 2 shown, in some embodiments, the vertical air conditioner 1 includes: a refrigerant circulation circuit 10. The refrigerant circulation circuit 10 enables the refrigerant to perform a refrigeration cycle in a circuit composed of a compressor, a condenser, an electronic expansion valve, and an evaporator. One of the condenser and the evaporator is an outdoor heat exchanger, and the other is an indoor heat exchanger.

[0045] In some embodiments, the vertical air conditioner 1 further includes: an air outlet 20. The air outlet 20 is arranged on the casing and extends in the vertical direction.

[0046] In some embodiments, the vertical air conditioner 1 further includes: a plurality of air deflector plates 30. The plurality of air deflector plates 30 are arranged at the air outlet 20. Each air deflector plate 30 adjusts the outflow direction of the air flowing through the air outlet 20 by changing its relative rotation angle with respect to the air outlet 20.

[0047] In some embodiments, the vertical air conditioner 1 further includes: a first millimeter-wave radar 40. The first millimeter-wave radar 40 is arranged at a preset height of the air outlet 20. The first millimeter-wave radar 40 is connected to the controller 71 and is configured to detect the number of first people in the area above the preset height in front of the air outlet 20.

[0048] In some embodiments, the vertical air conditioner 1 further includes: a second millimeter-wave radar 50. The second millimeter-wave radar 50 is arranged at the air outlet 20 and at the same height as the first millimeter-wave radar 40. The second millimeter-wave radar 50 is connected to the controller 71 and is configured to detect the number of second people in the area below the preset height in front of the air outlet 20.

[0049] In some embodiments, the floor-standing air conditioner 1 further includes: a controller 71, which is configured to: when receiving an instruction to turn on the child anti-direct-blow function, in response to the instruction, obtain a first number of people and a second number of people, and control the opening degree of the air deflector 30 according to the first number of people and the second number of people.

[0050] In some embodiments, in combination with Figure 3 and Figure 4 As shown, after the floor-standing air conditioner 1 is turned on, when the child anti-direct-blow function is turned on, that is, when the controller 71 receives an instruction to turn on the child anti-direct-blow function, the steps for the air conditioner to perform the child anti-direct-blow function may include: obtaining, by a first millimeter-wave radar 40 disposed at a preset height H of the air outlet 20, a first number of people N1 in the area A above the preset height H in front of the air outlet 20.

[0051] Further, the steps for the air conditioner to perform the child anti-direct-blow function may further include: obtaining, by a second millimeter-wave radar 50 disposed at the air outlet 20 and at the same height as the first millimeter-wave radar 40, a second number of people N2 in the area B below the preset height H in front of the air outlet 20.

[0052] Wherein, the detection angle of the first millimeter-wave radar 40 in the vertical direction may be 0 to α, and the detection angle of the second millimeter-wave radar 50 in the vertical direction may be -α to 0. Further, the opening degree of the air deflector 30 may be controlled according to the first number of people N1 and the second number of people N2, the relative rotation angle between the air deflector 30 and the air outlet 20 may be changed, and the outflow direction of the air flowing through the air outlet 20 may be adjusted to avoid direct blowing of the air conditioner on children. It can be understood that when the child anti-direct-blow function is turned on, the first millimeter-wave radar 40 and the second millimeter-wave radar 50 continuously monitor the area in front of the air conditioner for human presence detection. If it is found that children enter or leave the area in front of the air outlet 20, the controller 71 may adjust the opening degree of the air deflector 30 in real time to ensure that children are not directly blown by the cold air from the air outlet 20 of the air conditioner.

[0053] In a specific embodiment, both the preset height H and the detection angle α in the vertical direction may be values set in advance according to actual situations and experimental data.

[0054] In an embodiment of the present invention, the air deflector 30 includes an upper air deflector 30 and a lower air deflector 30, and the controller 71 is specifically configured to control the opening degree of the air deflector 30 according to the first number of people and the second number of people.

[0055] In some embodiments, the execution steps may include: when it is detected that the second number of people is greater than the first number of people, controlling the lower air deflector 30 to rotate to the horizontal limit position so that the air outlet avoids blowing on children.

[0056] Specifically, in combination with Figure 4 andFigure 5 As shown, the air deflector 30 of the floor-standing air conditioner 1 may include an upper air deflector 30 and a lower air deflector 30. When the second number of people N2 is greater than the first number of people N1, that is, when the number of people in the area below the preset height is greater than the number of people in the area above the preset height, it is determined that there are children in the front area of the floor-standing air conditioner 1 at this time. The controller 71 outputs a control signal to the stepper motor that controls the lower air deflector 30, controls the stepper motor to rotate, and rotates the lower air deflector 30 to the horizontal limit position, so that the air deflector 30 is in a closed state, that is, controls the air deflector 30 to rotate to an angle of 5 degrees - 10 degrees between the plate surface and the horizontal direction, to prevent the floor-standing air conditioner 1 from blowing directly on children.

[0057] In some embodiments, its execution steps may further include: when it is detected that the second number of people is not greater than the first number of people, controlling the opening degree of the lower air deflector 30 to remain unchanged.

[0058] Specifically, in combination with Figure 4 and Figure 5 As shown, when the second number of people N2 is not greater than the first number of people N1, that is, when the number of people in the area below the preset height is not greater than the number of people in the area above the preset height, it is determined that there are no children in the front area of the floor-standing air conditioner 1 at this time. The controller 71 outputs a control signal to the stepper motor that controls the lower air deflector 30, so that the opening degree of the lower air deflector 30 remains unchanged, that is, remains in the normal open state, and the air outlet 20 can send out cold air in the original mode. It can be understood that the normal open state includes the state where the angle between the plate surface of the air deflector 30 and the horizontal direction is 80 degrees when the user does not turn on functions such as anti-cold air and left-right swing, or the state where the angle between the plate surface of the air deflector 30 and the horizontal direction is any value when the user turns on functions such as anti-cold air and left-right swing.

[0059] In an embodiment of the present invention, before controlling the lower air deflector 30 to rotate to the horizontal limit position, the controller 71 is further configured to: after a preset time delay, determine whether the second number of people is greater than the first number of people.

[0060] Specifically, in combination with Figure 4 As shown, before controlling the lower air deflector 30 to rotate to the horizontal limit position, considering that children will run around, to avoid misjudgment problems caused by short-term occlusion or children running around, after a preset time delay T, the first number of people N1 obtained by the first millimeter-wave radar 40 and the second number of people N2 obtained by the second millimeter-wave radar 50 can be used again to make a judgment. Combining the two judgment results, it is determined whether there are children in the front area of the air conditioner, so as to control the position of the lower air deflector 30.

[0061] In some embodiments, its execution steps may include: when it is determined that the second number of people is greater than the first number of people, controlling the lower air deflector 30 to rotate to the horizontal limit position.

[0062] Specifically, when it is determined that the second number N2 is greater than the first number N1, it can be determined that there is a child in the area in front of the floor-standing air conditioner 1. The controller 71 outputs a control signal to the stepping motor that controls the lower air deflector 30, controls the stepping motor to rotate, and rotates the lower air deflector 30 to the horizontal limit position.

[0063] In some embodiments, the execution steps may further include: when it is determined that the second number is not greater than the first number, controlling the opening degree of the lower air deflector 30 to remain unchanged.

[0064] Specifically, when the second number N2 is not greater than the first number N1, it can be determined that there is no child in the area in front of the floor-standing air conditioner 1 at this time. The controller 71 outputs a control signal to the stepping motor that controls the lower air deflector 30, so that the opening degree of the lower air deflector 30 remains unchanged, that is, the lower air deflector 30 maintains the current state.

[0065] In an embodiment of the present invention, the first millimeter-wave radar 40 is configured to have a first preset angle for the detection angle in the horizontal direction, and the second millimeter-wave radar 50 is configured to have a second preset angle for the detection angle in the horizontal direction. The first preset angle and the second preset angle are symmetric about the vertical direction respectively. The detection distances of the first millimeter-wave radar 40 and the second millimeter-wave radar 50 in the horizontal direction are preset distances. When controlling the opening degree of the air deflector 30 according to the first number and the second number, the controller 71 is specifically configured to: when the second number is greater than the first number, control the opening degree of the air deflector 30 according to the detection area formed by the first millimeter-wave radar 40 and the second millimeter-wave radar 50 in the horizontal direction; when the second number is not greater than the first number, control the opening degree of the air deflector 30 to remain unchanged.

[0066] In some embodiments, as shown in Figure 6 The first millimeter-wave radar 40 is configured to have a first preset angle for the detection angle in the horizontal direction, that is, the angle range in the horizontal direction that the first millimeter-wave radar 40 can cover in the area above the preset height during detection, which can be denoted as -β to +β.

[0067] In some embodiments, the second millimeter-wave radar 50 is configured to have a second preset angle for the detection angle in the horizontal direction, that is, the angle range in the horizontal direction that the second millimeter-wave radar 50 can cover in the area below the preset height during detection, which can also be denoted as -β to +β.

[0068] The first preset angle and the second preset angle can be symmetric about the vertical direction respectively. The detection distances of the first millimeter-wave radar 40 and the second millimeter-wave radar 50 in the horizontal direction are preset distances, which can be denoted as x; it can be understood that the first millimeter-wave radar 40 and the second millimeter-wave radar 50 can comprehensively detect two areas above and below the preset height in the horizontal direction, with angles between -β and +β and preset distances within the range of x.

[0069] Further, when controlling the opening degree of the air deflector 30 according to the first number of people N1 and the second number of people N2, the execution steps may further include: If the second number of people N2 is greater than the first number of people N1, that is, there are children in the front area of the floor-standing air conditioner 1, the controller 71 controls the opening degree of the air deflector 30 according to the detection area formed by the first millimeter-wave radar 40 and the second millimeter-wave radar 50 in the horizontal direction, so as to avoid the floor-standing air conditioner 1 from directly blowing on the children.

[0070] Further, the execution steps may further include: The second number of people N2 is not greater than the first number of people N1, that is, there are no children in the front area of the floor-standing air conditioner 1, and the controller 71 controls the opening degree of the air deflector 30 to remain unchanged.

[0071] In a specific embodiment, the first preset angle, the second preset angle, and the preset distance may all be values set in advance according to the actual situation.

[0072] In an embodiment of the present invention, when controlling the opening degree of the air deflector 30 according to the detection area formed by the first millimeter-wave radar 40 and the second millimeter-wave radar 50 in the horizontal direction, the controller 71 is specifically configured to: divide the detection area into n sub-areas; control the opening degree of the air deflector 30 according to the first number of people and the second number of people in each sub-area.

[0073] In some embodiments, in combination with Figure 6 As shown, when controlling the opening degree of the air deflector 30 according to the detection area formed by the first millimeter-wave radar 40 and the second millimeter-wave radar 50 in the horizontal direction, the execution steps may include: dividing the detection area into n sub-areas.

[0074] In some embodiments, the execution steps may further include: controlling the opening degree of the air deflector 30 by judging the first number of people and the second number of people in each sub-area, so as to dynamically adjust the outflow direction of the air flowing through the air outlet 20 by changing the relative rotation angle between the air deflector 30 and the air outlet 20, avoiding the air conditioner from directly blowing on the children, and ensuring that the best comfortable environment is always provided.

[0075] In a specific embodiment, in combination with Figure 6 As shown, the detection area Z can be equally divided into n sub-areas (Z1, Z2, Z3... Z n ), and the first millimeter-wave radar 40 and the second millimeter-wave radar 50 respectively obtain the first number of people (N a1 , N a2 , N a3 ... N an ) and the second number of people (N b1 , N b2 , N b3 ... N bn), so as to determine whether there are children in the n sub - regions according to the first number of people and the second number of people in the n sub - regions, and then control the opening degree of the air deflector 30.

[0076] In an embodiment of the present invention, when controlling the opening degree of the air deflector 30 according to the first number of people and the second number of people in each sub - region, the controller 71 is specifically configured to: determine whether the second number of people in the current sub - region is greater than the first number of people; if the second number of people in the current sub - region is greater than the first number of people, then control the opening degree of the air deflector 30 according to the first number of people and the second number of people in the next sub - region; if the second number of people in the current sub - region is not greater than the first number of people, then control the air deflector 30 to rotate into the current sub - region.

[0077] In some embodiments, in combination with Figure 7 As shown, after dividing the detection area into n sub - regions, the opening degree of the air deflector 30 can be controlled according to the judgment result of whether the second number of people in each sub - region is greater than the first number of people. The execution steps may include: if the second number of people in the current sub - region is greater than the first number of people, it can be determined that there are children in the current sub - region in front of the floor - standing air conditioner 1. To prevent the floor - standing air conditioner 1 from directly blowing on the children in the current sub - region, the opening degree of the air deflector 30 can be controlled according to the first number of people and the second number of people in the next sub - region, so that when there are no children in the next sub - region, the lower air deflector 30 rotates into the next sub - region.

[0078] In some embodiments, the execution steps may further include: if the second number of people in the current sub - region is not greater than the first number of people, it can be determined that there are no children in the area in front of the floor - standing air conditioner 1, and the controller 71 outputs a control signal to the stepper motor that controls the lower air deflector 30, so that the lower air deflector 30 rotates into the current sub - region.

[0079] In an embodiment of the present invention, when controlling the opening degree of the air deflector 30 according to the first number of people and the second number of people in the next sub - region, the controller 71 is specifically configured to: if the second number of people in the next sub - region is greater than the first number of people, then return to execute the step of controlling the opening degree of the air deflector 30 according to the first number of people and the second number of people in the next sub - region; if the second number of people in the next sub - region is not greater than the first number of people, then control the air deflector 30 to rotate into the next sub - region.

[0080] In some embodiments, in combination with Figure 7As shown, when controlling the opening degree of the air deflector 30 according to the number of the first people and the number of the second people in the next sub-region, the execution steps may include: If the number of the second people in the next sub-region is greater than the number of the first people, it can be determined that there are still children in the next sub-region in front of the floor-standing air conditioner 1. To prevent the floor-standing air conditioner 1 from directly blowing on the children in the current sub-region, the steps of controlling the opening degree of the air deflector 30 according to the number of the first people and the number of the second people in the next sub-region can be executed again to continue judging the next sub-region.

[0081] In some embodiments, the execution steps may further include: If the number of the second people in the next sub-region is not greater than the number of the first people, it can be determined that there are no children in the next sub-region in front of the floor-standing air conditioner 1, and the controller 71 outputs a control signal to the stepping motor that controls the lower air deflector 30 to rotate the lower air deflector 30 to the next sub-region.

[0082] In a specific embodiment, as shown in combination with Figure 7 it can be set that the current sub-region Z1 is the default value. If there are no children in the current sub-region Z1, the stepping motor is controlled to rotate the lower air deflector 30 to the position of the current sub-region Z1. If there are children in the current sub-region Z1, the next sub-region Z2 is judged. If there are no children in the next sub-region Z2, the stepping motor is controlled to rotate the lower air deflector 30 to the position of the next sub-region Z2. If there are children in the next sub-region Z2, the next region Z3 is judged, and so on, until finally the lower air deflector 30 is rotated to the sub-region Z without children. i .

[0083] In an embodiment of the present invention, the air deflector 30 is the lower air deflector in the segmented air deflector, or the air deflector 30 is a non-segmented air deflector.

[0084] Specifically, the air deflector 30 can be the lower air deflector in the segmented air deflector or a non-segmented air deflector. Specifically, for the segmented air deflector, when controlling the opening degree of the air deflector 30 according to the first number of people and the second number of people, it mainly controls the opening degree of the lower air deflector 30, that is, the part below the preset height. Specifically, when there are children in the front area of the floor-standing air conditioner 1, the lower air deflector 30 can be controlled to rotate to the horizontal limit position. The air outlet 20 can send out cold air through the upper air deflector in the original mode, or further divide the detection area into n sub-areas, so that the lower air deflector 30 rotates to the sub-area without children. The air outlet 20 can send out cold air through the upper air deflector and the lower air deflector in the original mode, and will not directly blow the children; for the non-segmented air deflector, since it does not have multiple independent parts, only the whole can be adjusted, that is, when there are children in the front area of the floor-standing air conditioner 1, the whole air deflector can be driven to rotate to the sub-area without children by dividing the detection area into n sub-areas, so as to send out cold air in the original mode without directly blowing the children.

[0085] In an embodiment of the present invention, the controller 71 is further configured to: in response to a control instruction to turn off the child anti-direct-blow mode, control the opening degree of the air deflector 30 to remain unchanged.

[0086] Specifically, in combination with Figure 4 As shown, during the operation of the floor-standing air conditioner 1, the controller 71 can, in response to a control instruction to turn off the child anti-direct-blow mode, control the opening degree of the air deflector 30 to remain unchanged. Specifically, if the controller 71 receives a closing instruction signal for the child anti-direct-blow mode, it controls the opening degree of the air deflector 30 to remain in the normal open state, that is, when the user does not turn on functions such as anti-cold air and left-right swing, the air deflector 30 swings back to a state where the plate surface forms an angle of 80 degrees with the horizontal direction, or when the user turns on functions such as anti-cold air and left-right swing, the plate surface of the air deflector 30 forms an arbitrary angle with the horizontal direction.

[0087] Furthermore, in combination with Figure 4 As shown, during the operation of the floor-standing air conditioner 1, if the air deflector 30 is at the horizontal limit position at this time and the controller 71 does not receive a control instruction to turn off the child anti-direct-blow mode, the controller 71 controls the first millimeter-wave radar 40 to continuously detect and obtain the first number of people N1 in the area above the preset height H in front of the air outlet 20, and controls the second millimeter-wave radar 50 to continuously detect and obtain the second number of people N2 in the area below the preset height H in front of the air outlet 20.

[0088] In some embodiments, the execution steps may include: if the second number of people N2 is greater than the first number of people N1, that is, when the number of people in the area below the preset height is greater than the number of people in the area above the preset height, it is determined that there are still children in the front area of the floor-standing air conditioner 1, and the lower air deflector 30 still maintains its current state and is at the horizontal limit position of the closed state.

[0089] In some embodiments, the execution steps may further include: if the second number of people N2 is not greater than the first number of people N1, that is, when the number of people in the area below the preset height is not greater than the number of people in the area above the preset height, to avoid misjudgment caused by short-term occlusion or children running around, after a preset delay time T has passed, the first number of people N1 obtained by the first millimeter-wave radar 40 and the second number of people N2 obtained by the second millimeter-wave radar 50 are used again for judgment.

[0090] In some embodiments, the execution steps may include: if at this time the second number of people N2 is greater than the first number of people N1, it is determined that there are still children in the front area of the floor-standing air conditioner 1, and the lower air deflector 30 still maintains its current state and is at the horizontal limit position of the closed state.

[0091] In some embodiments, the execution steps may further include: if at this time the second number of people N2 is not greater than the first number of people N1, it is determined that the children in the front area of the floor-standing air conditioner 1 have left, and the controller 71 controls the opening degree of the lower air deflector 30 to remain unchanged, that is, controls the opening degree of the air deflector 30 to maintain the normal open state.

[0092] According to the floor-standing air conditioner 1 of the embodiment of the present invention, when the child anti-direct blowing function is turned on, through the provided first millimeter-wave radar 40 and second millimeter-wave radar 50, the front area of the air conditioner can be detected in a partitioned manner in the vertical direction, the number of people in different areas can be obtained and compared, and according to the comparison result, the opening degree of the air deflector 30 is controlled. Further, the detection area formed by the first millimeter-wave radar 40 and the second millimeter-wave radar 50 in the horizontal direction can be divided into multiple sub-areas, and the opening degree of the air deflector 30 is controlled by judging the first number of people and the second number of people in each sub-area, so as to change the relative rotation angle between the air deflector 30 and the air outlet 20, dynamically adjust the outflow direction of the air flowing through the air outlet 20, avoid direct blowing of the air conditioner on children, realize the function of child anti-direct blowing, ensure that the best comfortable environment is always provided, and improve the comfort of users.

[0093] A further embodiment of the present invention also discloses a control method for a floor-standing air conditioner, Figure 8 which is a flowchart of a control method for a floor-standing air conditioner according to an embodiment of the present invention. As Figure 8 shown, a control method for a floor-standing air conditioner, which is used for the floor-standing air conditioner in any of the above embodiments, the method includes the following steps:

[0094] Step S1: When receiving an instruction to turn on the child protection against direct blowing function, in response to this instruction, obtain the first number of people and the second number of people.

[0095] Step S2: Control the opening degree of the air deflector according to the first number of people and the second number of people.

[0096] In an embodiment of the present invention, controlling the opening degree of the air deflector according to the first number of people and the second number of people specifically includes: when the second number of people is greater than the first number of people, control the lower air deflector to rotate to the horizontal limit position; when the second number of people is not greater than the first number of people, keep the opening degree of the lower air deflector unchanged.

[0097] In an embodiment of the present invention, before controlling the lower air deflector to rotate to the horizontal limit position, it further includes: after delaying a preset time, determine whether the second number of people is greater than the first number of people; when it is determined that the second number of people is greater than the first number of people, control the lower air deflector to rotate to the horizontal limit position; when it is determined that the second number of people is not greater than the first number of people, keep the opening degree of the lower air deflector unchanged.

[0098] In an embodiment of the present invention, the first millimeter-wave radar is configured to have a first preset angle for the detection angle in the horizontal direction, the second millimeter-wave radar is configured to have a second preset angle for the detection angle in the horizontal direction, the first preset angle and the second preset angle are symmetric about the vertical direction, and the detection distance of the first millimeter-wave radar and the second millimeter-wave radar in the horizontal direction is a preset distance. Controlling the opening degree of the air deflector according to the first number of people and the second number of people specifically includes: when the second number of people is greater than the first number of people, control the opening degree of the air deflector according to the detection area formed by the first millimeter-wave radar and the second millimeter-wave radar in the horizontal direction; when the second number of people is not greater than the first number of people, keep the opening degree of the air deflector unchanged.

[0099] In an embodiment of the present invention, controlling the opening degree of the air deflector according to the detection area formed by the first millimeter-wave radar and the second millimeter-wave radar in the horizontal direction specifically includes: dividing the detection area into N sub-areas; controlling the opening degree of the air deflector according to the first number of people and the second number of people in each sub-area.

[0100] In an embodiment of the present invention, controlling the opening degree of the air deflector according to the first number of people and the second number of people in each sub-area specifically includes: determining whether the second number of people in the current sub-area is greater than the first number of people; if the second number of people in the current sub-area is greater than the first number of people, then control the opening degree of the air deflector according to the first number of people and the second number of people in the next sub-area; if the second number of people in the current sub-area is not greater than the first number of people, then control the air deflector to rotate into the current sub-area.

[0101] In an embodiment of the present invention, controlling the opening degree of the air deflector according to the first number of people and the second number of people in the next sub-region specifically includes: if the second number of people in the next sub-region is greater than the first number of people, return to execute the step of controlling the opening degree of the air deflector according to the first number of people and the second number of people in the next sub-region; if the second number of people in the next sub-region is not greater than the first number of people, control the air deflector to rotate into the next sub-region.

[0102] In an embodiment of the present invention, the air deflector is the lower air deflector in the segmented air deflector, or the air deflector is a non-segmented air deflector.

[0103] In an embodiment of the present invention, the control method of the floor-standing air conditioner further includes: in response to a control instruction to turn off the child anti-direct-blowing mode, controlling the opening degree of the air deflector to remain unchanged.

[0104] According to the control method of the floor-standing air conditioner in an embodiment of the present invention, when the child anti-direct-blowing function is turned on, the first millimeter-wave radar and the second millimeter-wave radar provided can detect the area in front of the air conditioner in the vertical direction, obtain the number of people in different areas, and compare them. According to the comparison result, control the opening degree of the air deflector. Further, the detection area formed by the first millimeter-wave radar and the second millimeter-wave radar in the horizontal direction can be divided into multiple sub-regions, and the opening degree of the air deflector can be controlled by judging the first number of people and the second number of people in each sub-region, so as to change the relative rotation angle of the air deflector and the air outlet, dynamically adjust the outflow direction of the air flowing through the air outlet, avoid direct blowing of the air conditioner on children, realize the function of child anti-direct-blowing, ensure that the best comfortable environment is always provided, and improve the comfort of users.

[0105] In the description of this specification, the description with reference to terms such as "an embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example.

[0106] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and purposes of the present invention. The scope of the present invention is defined by the claims and their equivalents.

Claims

1. A vertical air conditioner, characterized in that, Comprising: A refrigerant circulation circuit that enables the refrigerant to perform a refrigeration cycle in a circuit composed of a compressor, a condenser, an electronic expansion valve, and an evaporator, where one of the condenser and the evaporator is an outdoor heat exchanger and the other is an indoor heat exchanger; An air outlet that extends vertically on the housing; A plurality of air deflector plates arranged at the air outlet, and each air deflector plate adjusts the outflow direction of the air flowing through the air outlet by changing its relative rotation angle with respect to the air outlet; A first millimeter-wave radar arranged at a preset height of the air outlet, the first millimeter-wave radar being connected to a controller, and the first millimeter-wave radar being configured to detect the number of first people in the area above the preset height in front of the air outlet; A second millimeter-wave radar arranged at the air outlet and at the same height as the first millimeter-wave radar, the second millimeter-wave radar being connected to the controller, and the second millimeter-wave radar being configured to detect the number of second people in the area below the preset height in front of the air outlet; The controller is configured to: when receiving an opening instruction for the child anti-direct-blow function, in response to this instruction, obtain the number of first people and the number of second people, and control the opening degree of the air deflector plate according to the number of first people and the number of second people.

2. The vertical air conditioner according to claim 1, wherein, The air deflector plate includes an upper air deflector plate and a lower air deflector plate. When controlling the opening degree of the air deflector plate according to the number of first people and the number of second people, the controller is specifically configured to: When the number of second people is greater than the number of first people, control the lower air deflector plate to rotate to the horizontal limit position; When the number of second people is not greater than the number of first people, control the opening degree of the lower air deflector plate to remain unchanged.

3. The vertical air conditioner according to claim 2, wherein, Before controlling the lower air deflector plate to rotate to the horizontal limit position, the controller is further configured to: After a preset time delay, determine whether the number of second people is greater than the number of first people; When it is determined that the number of second people is greater than the number of first people, control the lower air deflector plate to rotate to the horizontal limit position; When it is determined that the number of second people is not greater than the number of first people, control the opening degree of the lower air deflector plate to remain unchanged.

4. The vertical air conditioner according to claim 1, wherein The first millimeter-wave radar is configured to have a first preset angle for the detection angle in the horizontal direction, the second millimeter-wave radar is configured to have a second preset angle for the detection angle in the horizontal direction, the first preset angle and the second preset angle are symmetric about the vertical direction, and the detection distance of the first millimeter-wave radar and the second millimeter-wave radar in the horizontal direction is a preset distance. When controlling the opening degree of the air deflector plate according to the number of first people and the number of second people, the controller is specifically configured to: When the number of second people is greater than the number of first people, control the opening degree of the air deflector plate according to the detection area formed by the first millimeter-wave radar and the second millimeter-wave radar in the horizontal direction; When the number of second people is not greater than the number of first people, control the opening degree of the air deflector plate to remain unchanged.

5. The vertical air conditioner according to claim 4, wherein When controlling the opening degree of the air deflector plate according to the detection area formed by the first millimeter-wave radar and the second millimeter-wave radar in the horizontal direction, the controller is specifically configured to: Divide the detection area into n sub-areas; Control the opening degree of the air deflector according to the first number of people and the second number of people in each of the sub-regions.

6. The vertical air conditioner according to claim 5, characterized in that, When controlling the opening degree of the air deflector according to the first number of people and the second number of people in each of the sub-regions, the controller is specifically configured to: Judge whether the second number of people in the current sub-region is greater than the first number of people; If the second number of people in the current sub-region is greater than the first number of people, control the opening degree of the air deflector according to the first number of people and the second number of people in the next sub-region; If the second number of people in the current sub-region is not greater than the first number of people, control the air deflector to rotate into the current sub-region.

7. The vertical air conditioner according to claim 6, wherein, When controlling the opening degree of the air deflector according to the first number of people and the second number of people in the next sub-region, the controller is specifically configured to: If the second number of people in the next sub-region is greater than the first number of people, return to execute the step of controlling the opening degree of the air deflector according to the first number of people and the second number of people in the next sub-region; If the second number of people in the next sub-region is not greater than the first number of people, control the air deflector to rotate into the next sub-region.

8. The vertical air conditioner according to any one of claims 4-7, characterized in that, The air deflector is the lower air deflector in the segmented air deflector, or the air deflector is a non-segmented air deflector.

9. The vertical air conditioner according to any one of claims 1-7, characterized in that, The controller is further configured to: In response to a control instruction to turn off the child anti-direct-blow mode, control the opening degree of the air deflector to remain unchanged.

10. A control method for a vertical air conditioner, characterized in that, For the floor-standing air conditioner according to any one of claims 1-9, the method includes the following steps: When receiving an opening instruction for the child anti-direct-blow function, in response to the instruction, obtain the first number of people and the second number of people, and control the opening degree of the air deflector according to the first number of people and the second number of people.

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