Air conditioner

Abstract

The application provides an air conditioner, which comprises an indoor unit, an outdoor unit, a main controller, a wire controller and a sub-area controller electrically connected between the wire controller and the main controller, the indoor unit sends air to multiple rooms through multiple air ducts, and the air outlet end of the air duct is provided with an air valve. A user inputs an air valve control instruction through the wire controller, the wire controller receives the air valve control instruction and sends it to the sub-area controller, the sub-area controller executes the air valve control instruction and calculates the opening ratio of the air outlet according to the air valve control instruction, the indoor unit adjusts and corrects the current running air speed of the indoor fan according to the opening ratio of the air outlet, and the outdoor unit adjusts and corrects the current running frequency of the compressor. Through the cooperative operation of the wire controller, the sub-area controller, the indoor unit and the outdoor unit, the room air volume can be automatically adjusted according to the user's needs, the indoor and outdoor units synchronously adjust the air supply volume and the running frequency of the whole machine, and the user's use experience and the economic type of the whole machine operation are considered.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of air conditioners, and particularly relates to an air conditioner. BACKGROUND

[0002] An air conditioner generally refers to a device for artificially adjusting and controlling the temperature, humidity, flow rate and other parameters of ambient air in a room. The air conditioner can be a central air conditioner, which usually comprises an indoor unit installed on the top of a room and an outdoor unit arranged outdoors. The indoor unit comprises an indoor fan and an indoor heat exchanger. Under the drive of the indoor fan, the air in the indoor unit is heated through the indoor heat exchanger and then sent to each room through multiple air ducts to achieve temperature regulation of each room.

[0003] The indoor unit of the central air conditioner sends air to each room through the air duct. The user can control the air supply volume of the entire machine through a wire controller, but cannot adjust the air supply volume of a single room. Due to the size of each room and other reasons, it is difficult to meet the actual needs of each room in terms of air volume adjustment.

[0004] To solve the above technical problems, a terminal device is installed in each room in the related art. The terminal device is connected to the indoor unit through an air pipe or an air duct. The terminal device in each room can receive a running instruction input by a user. A controller can only control the speed of the fan according to the air conditioning use of each room. This control method is not accurate in controlling the speed of the fan, cannot cope with changing actual working conditions, and cannot adaptively adjust the air supply volume of each room. SUMMARY

[0005] The present application aims to at least partially solve one of the technical problems in the related art. To this end,

[0006] According to an embodiment of the present disclosure, an air conditioner is provided, which comprises:

[0007] an indoor unit installed on the top of a room and comprising an indoor fan;

[0008] an outdoor unit comprising a compressor;

[0009] a main controller electrically connected to at least the indoor fan and the compressor;

[0010] a plurality of air ducts for delivering air from the indoor fan to a plurality of rooms in the room;

[0011] a plurality of air valves corresponding to the air outlets of the air ducts, the air valves sending air to the corresponding rooms through at least one air outlet;

[0012] a wire controller for receiving and sending air valve control instructions input by a user;

[0013] A partition controller electrically connected between the line controller and the main controller, configured to receive the air valve control instruction, and configured to:

[0014] execute the air valve control instruction;

[0015] obtain an opening ratio of the air valve, a total number of the air outlets, and an opening number of the air outlets according to the air valve control instruction;

[0016] perform a first logical operation based on the opening ratio of the air valve, the total number of the air outlets, and the opening number of the air outlets to obtain an opening ratio of the air outlets, and send the opening ratio of the air outlets to the main controller;

[0017] the main controller is configured to:

[0018] obtain a current set speed level of the indoor fan;

[0019] correct a current actual running speed level of the indoor fan and a current actual running frequency of the compressor according to the opening ratio and the current set speed level.

[0020] The air conditioner provided by the technical solution is used to supply air to multiple rooms. By setting the air valve, the line controller, and the partition controller electrically connected between the line controller and the main controller, the user can input the air valve control instruction on the line controller according to the actual demand, the partition controller executes the air valve control instruction to adjust the air volume of each room, the partition controller calculates the opening ratio of the air outlet, and the opening ratio of the air outlet reflects the current air volume demand to control and correct the actual running speed of the indoor fan, thereby achieving the purpose of individual adjustment of the air volume of each room according to the user demand and improving the flexibility of air volume adjustment of the air conditioner. At the same time, the running frequency of the compressor can be corrected to make the running frequency of the compressor adapt to the air volume in the air duct, avoid rapid temperature reduction or increase in the room, thereby improving the use comfort of the user in the room and improving the running safety of the air conditioning system.

[0021] In some embodiments in the present application, before executing the air valve control instruction, the partition controller is further configured to perform a reset action, which includes:

[0022] controlling the air valve to reset to a closed state after the air conditioner is powered on.

[0023] The technical solution makes the partition controller more accurately execute the air valve control instruction and ensures the opening accuracy of the air valve.

[0024] In some embodiments in the present application, the partition controller is further configured to:

[0025] When the air conditioner is in a starting state, if it is detected that all the air valves in the air valve control instruction are in a closed state, a default air valve is forcibly opened; otherwise, the air valve control instruction is executed; wherein the default air valve is any one of the air valves.

[0026] In the technical solution, when it is detected that all the air valves are set to a closed state, the default air valve is forcibly opened, so that the system air volume can be normally sent to each room.

[0027] In some embodiments of the present application, the main controller is further configured to:

[0028] If the currently set wind speed gear is a low wind gear, the current running state of the indoor fan and the compressor is maintained.

[0029] In some embodiments of the present application, if the currently set wind speed gear is a medium wind gear, the main controller is further configured to:

[0030] If the opening ratio is less than a first threshold value, the indoor fan is controlled to work in a low wind gear, and the compressor is controlled to run at a limit frequency corresponding to the low wind gear as a target frequency; if not, the current running state of the indoor fan and the compressor is maintained.

[0031] In some embodiments of the present application, if the currently set wind speed gear is a high wind gear, the main controller is further configured to:

[0032] If the opening ratio is less than a first threshold value, the indoor fan is controlled to work in a low wind gear, and the compressor is controlled to run at a limit frequency corresponding to the low wind gear as a target frequency.

[0033] If the opening ratio reaches more than a first threshold value and less than a second threshold value, the indoor fan is controlled to work in a medium wind gear, and the compressor is controlled to run at a limit frequency corresponding to the medium wind gear as a target frequency.

[0034] If the opening ratio reaches more than a second threshold value, the current running state of the indoor fan and the compressor is maintained.

[0035] In some embodiments of the present application, the main controller is further configured to:

[0036] According to the upper limit value of the rated running frequency of the compressor and the limit frequency coefficient preset corresponding to different wind speed gears, the limit frequency corresponding to different wind speed gears is calculated.

[0037] In some embodiments of the present application, the wire controller has a parameter setting interface for setting the number of the air valves and the number of the air outlets corresponding to the air valves, and a manual operation interface including the names of the air valves, the air valve switches and the air valve opening degree adjustment keys.

[0038] In some embodiments of the present application, the air conditioner further comprises an air outlet pipeline, the air outlet ends of the air valves are connected to a total interface of the air outlet pipeline, a plurality of branch pipes of the air outlet pipeline are connected to corresponding rooms, and one end of each of the branch pipes connected in the rooms is connected to the air outlet; wherein the number of the air outlets corresponding to different air valves is the same or different.

[0039] According to embodiments of the present disclosure, an air conditioner is also provided, which comprises:

[0040] an indoor unit installed on the top of a room and comprising an indoor fan;

[0041] an outdoor unit comprising a compressor;

[0042] a main controller electrically connected to at least the indoor fan and the compressor;

[0043] a plurality of air ducts for conveying air from the indoor fan to a plurality of rooms in the room;

[0044] a plurality of air valves installed one by one in the plurality of air ducts, the air valves conveying air to corresponding rooms through at least one air outlet;

[0045] a wire controller for receiving and sending air valve control instructions input by a user;

[0046] a zone controller electrically connected between the wire controller and the main controller, configured to receive the air valve control instructions, and configured to:

[0047] execute the air valve control instructions, calculate the opening ratio of the air outlet according to the air valve control instructions, and send the opening ratio of the air outlet to the main controller;

[0048] the main controller is configured to:

[0049] obtain the current set air speed gear of the indoor fan;

[0050] adjust the current actual running air speed gear of the indoor fan according to the opening ratio of the air outlet and the current set air speed gear.

[0051] The air conditioner provided by the technical scheme is used for supplying air to multiple rooms. By arranging a damper, a wire controller and a partition controller electrically connected between the wire controller and a main controller, a user can input a damper control instruction on the wire controller according to actual needs, the partition controller executes the damper control instruction to adjust air volume of each room, the partition controller calculates an opening ratio of an air outlet, the opening ratio of the air outlet reflects current air volume needs and is used to control and correct actual running air speed of an indoor fan, so as to realize the purpose of individual adjustment of air volume of each room according to user needs, improve user use comfort in the room and improve flexibility of air volume adjustment of the air conditioner. BRIEF DESCRIPTION OF DRAWINGS

[0052] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description only constitute some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0053] Figure 1 is a system block diagram of an air conditioner according to an embodiment of the present disclosure;

[0054] Figure 2 is a partial structure schematic diagram of an air conditioner according to an embodiment of the present disclosure;

[0055] Figure 3 is a structure block diagram of a refrigerant circulation loop according to an embodiment of the present disclosure;

[0056] Figure 4 is a circuit structure schematic diagram of an air conditioner according to an embodiment of the present disclosure;

[0057] Figure 5 is a structure block diagram of a main controller according to an embodiment of the present disclosure;

[0058] Figure 6 is a structure schematic diagram of an air conditioner according to an embodiment of the present disclosure;

[0059] Figure 7 is a structure schematic diagram of an air conditioner according to another embodiment of the present disclosure;

[0060] Figure 8 is a connection schematic diagram of a partition controller according to an embodiment of the present disclosure;

[0061] Figure 9 is control logic of an air conditioner according to an embodiment of the present disclosure;

[0062] Figure 10 is control logic for calculating an opening ratio of an air outlet according to an embodiment of the present disclosure;

[0063] Figure 11 is the control logic of the main controller adjusting the air volume according to the embodiments of the present disclosure;

[0064] Figure 12 is the operation flow of the air valve initialization according to the embodiments of the present disclosure;

[0065] Figure 13 is the control logic of the user manually adjusting the air supply volume of each room according to the embodiments of the present disclosure;

[0066] Figure 14 is the operation flow of setting the air valve parameters through the wire controller according to the embodiments of the present disclosure;

[0067] Figure 15 is the control logic of the air conditioner initial power-on according to the embodiments of the present disclosure;

[0068] Figure 16 is the control logic of the air conditioner non-initial power-on according to the embodiments of the present disclosure;

[0069] Figures 17-19 is the control logic of performing the correction action according to the embodiments of the present disclosure;

[0070] Figure 20 is the schematic diagram of the manual operation interface according to the embodiments of the present disclosure.

[0071] In the above figures: air conditioner 100; outdoor unit 1; outdoor fan 22; indoor unit 2; indoor fan 21; main controller 3; indoor control device 31; outdoor control device 32; refrigerant circulation loop 4; compressor 41; condenser 42; expansion valve 43; evaporator 44; wire controller 5; zoning controller 6; air supply pipeline 7; air duct 71; air valve 8; room 9. DETAILED DESCRIPTION

[0072] In order to make the purposes, technical solutions and advantages of the present application clearer, the present application is described and explained below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the present application and do not limit the present application. Based on the examples provided in the present application, all other examples obtained by those of ordinary skill in the art without creative labor fall within the scope of the present application.

[0073] It is apparent that the drawings in the following description merely show some examples or embodiments of the present application, and for those skilled in the art, the present application can be applied to other similar situations without creative efforts based on these drawings. In addition, it can be understood that although the efforts made in the development process can be complex and lengthy, some design, manufacture or production changes based on the technical content disclosed in the present application are only routine technical means for those skilled in the art related to the content disclosed in the present application, and should not be understood as insufficient disclosure of the content disclosed in the present application.

[0074] Reference to an "embodiment" in this application means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearance of the phrase in various places in the specification is not necessarily all referring to the same embodiment, nor is it necessarily referring to a particular alternative embodiment or set of embodiments. It is explicitly and implicitly understood that the application described herein is capable of variation, modification, and refinement in addition to that which is explicitly described and / or shown.

[0075] The terms "connected," "coupled," and the like, as used in the application, are not limited to direct or physical connections, but can include electrical connection, whether direct or indirect. The term "multiple" refers to two or more. The term "and / or" describes association between name objects, indicates that there are three relations, for example, "A and / or B" can indicate that A exists alone, A and B exist together, and B exists alone. The character " / " generally indicates that the associated objects before and after are in an "or" relationship. The terms "first", "second", "third", and the like, merely distinguish similar objects, and do not represent a specific order for the objects.

[0076] Reference Figures 1-20 The embodiment of the present application provides an air conditioner 100, which comprises an indoor unit 2 and an outdoor unit 1. In the embodiment, the air conditioner 100 is a central air conditioner.

[0077] Reference Figure 2 The air conditioner 100 further comprises a plurality of air ducts 71, the indoor unit 2 is arranged indoors and installed on the top of the room 9, used for heat exchange with the indoor environment, and the indoor unit 2 supplies air to each room 9 through the plurality of air ducts 71. Among them, the indoor unit 2 is hidden in the ceiling of the corridor, and can also be hidden in the top of the high cabinet, facilitating cooperation with indoor decoration. The outdoor unit 1 is usually arranged outdoors, used for taking the heat in the room to the outdoors.

[0078] The indoor unit 2 comprises a casing which forms the appearance of the indoor unit 2. The casing is formed with an air inlet and an air outlet. The interior of the casing is in communication with the air inlet so that indoor air enters the casing from the air inlet; the interior of the casing is in communication with the air outlet which is in communication with the indoor space so that air-conditioned air in the casing can flow to the indoor space from the air outlet.

[0079] The air conditioner 100 comprises a refrigerant circulation loop, the structure of the refrigerant circulation loop 3 is shown in the schematic view of the refrigerant circulation loop 3 shown in Figure 3 、 Figure 4 By circulating the refrigerant in the refrigerant circulation loop 3, the indoor cooling or heating cycle can be performed. The indoor unit 2 and the outdoor unit 1 are connected by connecting pipes to form a refrigerant circulation loop for circulating the refrigerant.

[0080] The air conditioner 100 circulates the refrigerant in the loop composed of the compressor 41, the condenser 42, the expansion valve 43 and the evaporator 44, one of which is an indoor heat exchanger and the other is an outdoor heat exchanger. The indoor heat exchanger is arranged in the casing for heat exchange with the air in the indoor unit 2, and the outdoor heat exchanger is arranged in the casing for heat exchange with the air in the outdoor unit 1, so as to realize the cooling or heating requirement of the air conditioner.

[0081] The indoor unit 2 further comprises an indoor fan 21 arranged in the casing for driving the indoor air outside the casing to enter the casing, and the indoor fan 21 drives the air in the casing to flow in the direction from the air inlet to the air outlet, and the indoor fan 21 can have multiple wind speed positions. In this embodiment, the indoor fan 21 has high wind position, medium wind position and low wind position with decreasing wind speed.

[0082] The outdoor unit 1 comprises a compressor 41 and an outdoor fan 22, wherein the compressor 41 is used to compress the refrigerant gas in low temperature and low pressure state into refrigerant gas in high temperature and high pressure state, and discharge the compressed refrigerant gas to the condenser; the outdoor fan 22 generates air flow of outdoor air through the outdoor heat exchanger to promote heat exchange between the refrigerant flowing in the outdoor heat exchanger and the outdoor air. The outdoor fan 22 is driven by a driving device capable of changing the speed.

[0083] The air conditioner 100 further comprises an expansion valve 43 arranged in the indoor unit 2 or the outdoor unit 1, which is used for throttling in cooling or heating condition. The expansion valve 43 is an electronic expansion valve.

[0084] Referring to Figure 4The air conditioner 100 further comprises a main controller 3 electrically connected with the indoor unit 2 and the outdoor unit 1 to control the operation of the components inside the indoor unit 2 and the outdoor unit 1, so that the components of the air conditioner 100 operate to realize the predetermined functions of the air conditioner 100. The main controller 3 is at least used to control the operation of the compressor 41, the expansion valve 43, the indoor fan 21 and the outdoor fan 22, so that the air conditioner 100 operates to realize the predetermined functions of the air conditioner 100.

[0085] With reference to the foregoing Figure 2 The air conditioner 100 further comprises an air supply pipeline 7 and a plurality of air valves 8.

[0086] The plurality of air ducts 71 are formed by the air supply pipeline 7, the air supply pipeline 7 comprises a total interface and a plurality of air pipes connected with the total interface, the total interface of the air supply pipeline 7 is connected with the air outlet of the indoor unit 2, and the plurality of air pipes of the air supply pipeline 7 are connected to the plurality of rooms 9, for conveying the air outlet of the indoor fan 21 to the plurality of rooms 9 in the indoor.

[0087] The plurality of air valves 8 are installed one by one in the plurality of air ducts 71, that is, the air valve 8 is installed in each air pipe, and the air valve 8 supplies air to the corresponding room 9 through at least one air outlet. With reference to Figure 8 The air valve 8 can be adjusted to the corresponding opening degree in the air valve control instruction under the control of the partition controller 6. In the embodiment, the air valve 8 can be provided with eight air valves corresponding to the rooms 9, respectively, air valve one, air valve two, …, air valve eight.

[0088] Those skilled in the art can understand that Figure 4 The circuit structure shown in the embodiment does not constitute a limitation on the air conditioner 100, and the air conditioner 100 can comprise more or fewer components than shown, or some components can be combined, or different component arrangements.

[0089] In the embodiment shown in the present application, the main controller 3 refers to a device that can generate operation control signals according to instruction operation codes and timing signals, and instruct the air conditioner to execute control instructions. For example, in response to the power-on or power-off instruction received by the user, the main controller 3 can execute the operation related to the object selected by the power-on or power-off instruction.

[0090] As shown in Figure 5 In the embodiment, the main controller 3 has an outdoor control device 32 built in the outdoor unit 1 and an indoor control device 31 built in the indoor unit 2, and the outdoor control device 32 and the indoor control device 31 are respectively used to control the components inside the outdoor unit 1 and the indoor unit 2. The outdoor control device 32 and the indoor control device 31 are connected with each other by signal lines and can transmit / receive signals to each other.

[0091] Indoor unit 2 delivers air from indoor fan 21 to multiple rooms 9 through multiple air ducts 71. To adjust the airflow to each room 9 according to user-inputted operating commands, refer to... Figure 6 , Figure 7 The air conditioner 100 also includes a wired controller 5 and a zone controller 6.

[0092] Specifically, the user can input damper control commands into the wired controller 5 according to actual needs. The wired controller 5 is used to receive and send the damper control commands input by the user. The zone controller 6 is electrically connected between the wired controller 5 and the main controller 3. The zone controller 6 is used to receive and execute the damper control commands. In this embodiment, the wired controller 5 is electrically connected to the indoor unit 2.

[0093] In addition to executing the air valve control commands sent by the wired controller 5, the zone controller 6 can also forward the air valve control commands sent by the wired controller 5 to the indoor unit 2, and can also forward the information of the indoor unit 2 to the wired controller 5.

[0094] In this embodiment, reference Figure 9 The user inputs air valve control commands via wired controller 5. The wired controller receives the air valve control commands and sends them to the zone controller 6. The zone controller 6 executes the air valve control commands and calculates the opening ratio of the air vents based on the air valve control commands. Indoor unit 2 adjusts and corrects the current actual operating speed of indoor fan 21 according to the opening ratio of the air vents, and outdoor unit 1 adjusts and corrects the current operating frequency of compressor. Through the coordinated operation of wired controller 5, zone controller 6, indoor unit 2, and outdoor unit 1, the room air volume can be automatically adjusted according to the user's needs. Furthermore, the indoor and outdoor units synchronously adjust the overall air volume and operating frequency of the unit, achieving a balance between user experience and economical operation.

[0095] Specifically, reference Figure 10 Partition controller 6 is configured as follows:

[0096] Execute the air valve control command (step S31) to control each air valve 8 to adjust to the set opening degree, so that each air valve 8 performs opening / closing action under the control of the partition controller 6, and opens to the opening degree set in the air valve control command in the open state.

[0097] After completing step S31, step S32 is executed to obtain the opening ratio of the air valve 8, the total number of air outlets, and the number of air outlets that are open, according to the air valve control command.

[0098] After step S32 is executed, step S33 is executed. Based on the opening ratio of the air valve 8, the total number of air outlets, and the number of air outlets that are open, the first logic operation is performed to obtain the opening ratio of the air outlets, and the opening ratio of the air outlets is sent to the main controller 3.

[0099] The main controller 3 is configured to receive the information sent by the zone controller 6 and perform corresponding actions according to the information. Specifically, referring to Figure 11 , the main controller 3 is configured to:

[0100] obtain the current set air speed gear of the indoor fan 21 (step S4);

[0101] After step S4 is performed, step S5 is performed. In step S5, first, a correction action is performed according to the opening ratio of the air outlet and the current set air speed gear, the correction action including correcting the current actual running air speed gear of the indoor fan 21 (step S51) and correcting the current actual running frequency of the compressor (step S52).

[0102] The air conditioner 100 provided in this embodiment is provided with the air valve 8 at the air outlet end of the air duct 71 and the zone controller 6, which is responsible for receiving and executing the air valve control instruction input by the user and performing corresponding control on the air valve 8 of each room 9. Meanwhile, the main controller 3 is electrically connected with the zone controller 6 and performs the action of adjusting the air supply amount according to the opening ratio of the air outlet sent by the zone controller 6, so that the air supply amount of each room 9 can be manually adjusted according to the user demand. Each room 9 completely adjusts the air supply amount according to the actual need of the user, improving the product use experience and use comfort.

[0103] The opening ratio of the air outlet is obtained according to the first logical operation. In some embodiments of the present application, the first logical operation can be set as:

[0104] K1 = ∑ (m i *k i ) / n

[0105] wherein K1 is the opening ratio of the air outlet, k i is the opening ratio of each air valve 8, m i is the number of open air outlets, i.e., the number of air outlets corresponding to each air valve 8 in the open state, i is the number of air valves, which takes the value of 1, 2, 3, …, 8, and n is the total number of air outlets, i.e., the sum of the number of air outlets corresponding to all air valves 8.

[0106] It should be noted that the opening ratio k i of the air valve 8 is in the range of [0%, 100%], wherein when the opening ratio k i of the air valve 8 takes the value of 0%, it represents that the air valve 8 is in the completely closed state, and when the opening ratio k i of the air valve 8 takes the value of 100%, it represents that the air valve 8 is in the completely open state. When the air valve 8 is in the open state, the opening ratio k i of the air valve 8 can be adjusted between 0% and 100%.

[0107] For example, the air conditioner 100 has three air valves, namely air valve A, air valve B and air valve C. Air valve A corresponds to two air outlets, air valve B corresponds to three air outlets, and air valve C corresponds to four air outlets. The user inputs that the current opening ratio of air valve A is 50%, the opening ratio of air valve B is 30%, and air valve C is closed. Then the opening ratio of the air outlets K1 = (2*50% + 3*30%) / 9 = 21%.

[0108] The air conditioner 100 provided in this embodiment calculates the opening ratio of the air outlet to reflect the current air volume of the indoor unit 2. Based on the opening ratio of the air outlet, it adjusts and corrects the current actual operating speed of the indoor fan 21, thereby adaptively adjusting the air volume in each room 9. Simultaneously, this controller can adjust the air volume entirely according to the user's actual needs, improving the product's user experience and comfort.

[0109] Furthermore, to ensure the accurate opening degree of each air valve 8, the zone controller 6 is also configured to perform a reset action (step S2) before executing the air valve control command, wherein, reference Figure 12 Step S2 includes: after the air conditioner 100 is powered on (step S21), the air valves 8 are first initialized, and all air valves 8 are controlled to reset to the closed state (step S22). In this embodiment, after step S2 is executed, that is, after the reset action is completed, the zone controller 6 executes steps S31, S32 and S33 in sequence according to the air valve control command sent by the wired controller 5.

[0110] In some embodiments of this application, the wired controller 5 has a separate parameter setting interface for setting parameters related to the air valves. These parameters include the number of air valves 8 in the air conditioner 100 and the number of air outlets corresponding to the air valves 8. Specifically, when the air conditioner 100 is initially powered on, the number of air valves 8 and the number of air outlets corresponding to the air valves 8 are set in the parameter setting interface. In subsequent use, it is not necessary to reset these parameters. The zone controller 6 can obtain this parameter information.

[0111] In some embodiments of this application, the wired controller 5 also has a separately configured manual operation interface, such as... Figure 20 As shown, the manual operation interface is used to input air valve control commands, or the manual operation interface and parameter setting interface are used together to input air valve control commands. Specifically, refer to... Figure 20 The manual operation interface includes the name (a) of each air valve 8, the switch (b) of each air valve, and the air valve opening adjustment key for each air valve 8. In this embodiment, the manual operation interface can be configured with multiple interfaces corresponding to the number of air valves 8.

[0112] Wherein, the name of the air valve 8 is used to identify the current air valve 8, the air valve switch is used to control the opening or closing of the air valve 8; the air valve opening degree adjustment key is used to adjust the opening degree of the air valve 8, that is, the air valve opening degree adjustment key can be used to adjust the opening state of the air valve, and the adjustable range is 0%~100%.

[0113] In the embodiment, the air valve opening degree adjustment key includes an increase key d and a decrease key c, which are used to perform the opening degree proportion adjustment of the air valve opening degree. The increase key is marked with a symbol "+" and is configured to add 1% to the current opening degree proportion after each click trigger. The decrease key is marked with a symbol "-" and is configured to subtract 1% from the current opening degree proportion after each click trigger.

[0114] In use, the user can manually input the opening and closing state of each air valve 8 and the opening degree proportion of each air valve 8 on the online controller 5. The above-mentioned parameter information cooperates to form an air valve control instruction, which is sent to the partition controller 6 by the online controller 5. The partition controller 6 sequentially performs steps S21, S22 and S23 to calculate the opening proportion of the air outlet.

[0115] In some embodiments of the present application, the reference Figures 12-15 After the air conditioner 100 is powered on for the first time (step S01), the online controller 5 is connected to the partition controller 6 (step S02), so that the online controller 5 and the partition controller 6 can communicate with each other. The user executes step S1 to input the air valve control instruction on the online controller 5 according to the actual demand. Specifically, in step S1, the number of air valves 8 is first set in the parameter setting interface (step S11), and the number of air outlets corresponding to each air valve 8 is set (step S13). After step S13 is executed, step S7 is executed to manually input the opening degree proportion of each air valve 8 in the manual operation interface. After step S7 is executed, the air conditioner 100 enters normal operation.

[0116] The parameter setting interface can also define a default air valve, that is, Figure 13 Step S1 also includes setting a default air valve (step S12). In the embodiment, any one of the air valves 8 can be defined as the default air valve, which can be forcibly opened under the control of the partition controller 6.

[0117] In some embodiments of the present application, when the default air valve is set in the online controller 5, the partition controller 6 is also configured to:

[0118] When the air conditioner 100 is in the powered-on state, if it is detected that all the air valves 8 in the air valve control instruction are in the closed state, the default air valve is forcibly opened; otherwise, the air valve control instruction is executed; wherein the default air valve is any one of the air valves 8 defined by the online controller 5.

[0119] Reference Figure 16 which is the control logic of the partition controller 6 after the air conditioner 100 is powered on, specifically, the partition controller 6 is configured to:

[0120] perform a reset action (step S2), and determine whether the reset action is completed (step S22); if the reset action is not completed, repeat the reset action (step S2);

[0121] After the reset action is completed, if the air conditioner 100 is started, receive the air valve control instruction sent by the wire controller 5 (step S61); if the air conditioner 100 is not started, perform step S66 to control the air valve to be closed;

[0122] After step S61 is performed, according to the air valve control instruction, perform step S62 to detect whether all air valves 8 in the air valve control instruction are in a closed state;

[0123] If all air valves 8 are in the closed state, perform step S63 to detect whether there is a default air valve; if not, perform the air valve control instruction (step S31), that is, adjust the state of the air valve 8 according to the air valve control instruction; wherein the state of the air valve 8 includes an open state, a closed state, and an opening degree state corresponding to the opening degree ratio in the open state;

[0124] In step S63, when it is detected that there is a default air valve, perform step S64 to forcibly open the default air valve; wherein the default air valve can be controlled to be fully opened;

[0125] In step S63, when it is detected that there is no default air valve, perform according to the control command sent by the wire controller 5 (step S65).

[0126] In the technical solution, by setting the default air valve, the situation that all air valves 8 of the user are closed, causing the air volume of the air conditioning system to be completely closed in the air duct 71 for air supply, is avoided. When it is detected that all air valves 8 are set to the closed state, the partition controller 6 forcibly opens the default air valve, so that the system air volume can be normally sent to the room 9.

[0127] In some embodiments of the present application, if there is no default air valve, the air conditioner 100 can separately set an air duct 71 that is not controlled by the air valve 8, so that when the partition controller 6 performs according to the control command sent by the wire controller 5, the situation that the air volume of the system is closed in the air duct 71, causing the air duct 71 to be broken, is avoided.

[0128] In some embodiments of the present application, after step S51 is performed, refer to Figure 17If the current set wind speed level is the low wind level, the main controller 3 is further configured to maintain the current running state of the indoor fan 21 and the compressor. That is, the main controller 3 does not perform the correction action when detecting that the current set wind speed level of the indoor fan 21 is the low wind level, so that the indoor fan 21 continues to run at the current set wind speed level and the compressor continues to run at the current running frequency.

[0129] In some embodiments of the present application, after step S51 is performed, with reference to Figure 18 If the current set wind speed level is the medium wind level, the main controller 3 is further configured to determine whether the opening ratio of the air outlet is less than the first threshold value. If yes, the main controller 3 controls the indoor fan 21 to work at the low wind level and controls the compressor to run at the limit frequency corresponding to the low wind level as the target frequency. If no, the main controller 3 maintains the current running state of the indoor fan 21 and the compressor. In this embodiment, the limit frequency corresponding to the low wind level is the low wind limit frequency.

[0130] That is, when detecting that the current set wind speed level of the indoor fan 21 is the medium wind level, if the opening ratio of the air outlet is less than the first threshold value, the main controller 3 performs the correction action of controlling the indoor fan 21 to work at the low wind level and controlling the compressor to run at the limit frequency corresponding to the low wind level as the target frequency. If the opening ratio of the air outlet reaches the first threshold value or above, the main controller 3 does not perform the above correction action, so that the indoor fan 21 and the compressor continue to run at the current set wind speed level and the current running frequency, respectively.

[0131] In some embodiments of the present application, after step S51 is performed, with reference to Figure 19 If the current set wind speed level is the high wind level, the main controller 3 is further configured to:

[0132] If the opening ratio of the air outlet is less than the first threshold value, the main controller 3 controls the indoor fan 21 to work at the low wind level and controls the compressor to run at the limit frequency corresponding to the low wind level as the target frequency.

[0133] If the opening ratio of the air outlet reaches the first threshold value or above and is less than the second threshold value, the main controller 3 controls the indoor fan 21 to work at the medium wind level and controls the compressor to run at the limit frequency corresponding to the medium wind level as the target frequency.

[0134] If the opening ratio of the air outlet reaches the second threshold value or above, the main controller 3 maintains the current running state of the indoor fan 21 and the compressor, that is, does not perform the related correction action, so that the indoor fan 21 and the compressor continue to run at the current set wind speed level and the current running frequency, respectively. In this embodiment, the limit frequency corresponding to the low wind level is the low wind limit frequency and the limit frequency corresponding to the medium wind level is the medium wind limit frequency.

[0135] Further, the main controller 3 is further configured to calculate the limiting frequency corresponding to different wind speed levels according to the upper limit of the rated operating frequency of the compressor and the frequency limiting coefficient preset for different wind speed levels. In the embodiment, the limiting frequency = the upper limit of the rated operating frequency of the compressor x the frequency limiting coefficient. The limiting frequency corresponding to different wind speed levels can be set according to actual needs.

[0136] In the embodiment, the first threshold is less than the second threshold. Referring to Table 1 below, an exemplary illustration is given of how to correct the actual operating wind speed level of the indoor fan 21 and the operating frequency of the compressor according to the current set wind speed and the opening ratio of the air outlet (the data in the table is only an example).

[0137] Table 1

[0138]

[0139] In the above table, the first threshold is 25%, and the second threshold is 50%. It should be noted that the first threshold and the second threshold can be adjusted according to specific application scenarios.

[0140] In some embodiments of the application, the air conditioner 100 further comprises an air outlet pipeline, which comprises a total interface and a plurality of branch pipes connected to the total interface. The air outlet end of the air valve 8 is connected to the total interface of the air outlet pipeline, and the plurality of branch pipes of the air outlet pipeline are connected to the corresponding rooms 9. One end of the branch pipe connected in the room 9 is an air outlet. The number of air outlets corresponding to different air valves 8 is the same or different.

[0141] In some other embodiments of the application, the drive-by-wire controller 5 is configured to receive and send the air valve control instruction input by the user, and the zone controller 6 is electrically connected between the drive-by-wire controller 5 and the main controller 3 to receive the air valve control instruction.

[0142] The zone controller 6 is configured to execute the air valve control instruction and calculate the opening ratio of the air outlet according to the air valve control instruction, and send the opening ratio of the air outlet to the main controller 3.

[0143] The main controller 3 is configured to obtain the current set wind speed level of the indoor fan 21, and adjust the actual operating wind speed level of the indoor fan 21 according to the opening ratio of the air outlet and the current set wind speed level, and further adjust the current air supply.

[0144] The air conditioner 100 provided by the application is used for supplying air to multiple rooms 9. By setting a wire controller 5 for manually inputting control instructions by a user, by setting a wind valve 8 and a partition controller 6 electrically connected between the wire controller 5 and the main controller 3, the partition controller 6 receives the wind valve control instructions, the wind valve 8 can adjust the air volume of each room 9, the partition controller 6 calculates the opening ratio of the air outlet, the opening ratio of the air outlet reflects the current air volume demand, the actual running air speed of the indoor fan 21 is corrected through the opening ratio control, thereby realizing the purpose of individual adjustment of the air volume of each room 9 according to the user demand, and improving the flexibility of the air volume adjustment of the air conditioner 100.

[0145] Meanwhile, after the actual running air speed of the indoor fan 21 is corrected, the running frequency of the compressor can be corrected, so that the running frequency of the compressor is adapted to the air volume in the air duct 71, the temperature in the room 9 is prevented from rapidly reducing or increasing, thereby improving the use comfort of the user in the room 9 and improving the running safety of the air conditioning system.

[0146] The above is only a specific embodiment of the application, but the protection scope of the application is not limited to this, any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the application, which should be covered in the protection scope of the application. Therefore, the protection scope of the application should be subject to the protection scope of the claims.

Claims

1. An air conditioner characterized by comprising: The air conditioner comprises: an indoor unit installed on the top of a room and comprising an indoor fan; an outdoor unit comprising a compressor; a main controller electrically connected to at least the indoor fan and the compressor; a plurality of air ducts for conveying air discharged by the indoor fan to a plurality of rooms in the room; a plurality of air valves corresponding to the air ducts and installed at the air outlet ends of the air ducts, the air valves being configured to discharge air through at least one air outlet to the corresponding rooms; a wire controller configured to receive and send air valve control instructions input by a user; a zone controller electrically connected between the wire controller and the main controller and configured to receive the air valve control instructions, the zone controller being configured to: execute the air valve control instructions; obtain the opening ratio of the air valves, the total number of air outlets, and the number of open air outlets according to the air valve control instructions; perform a first logical operation based on the opening ratio of the air valves, the total number of air outlets, and the number of open air outlets to obtain the opening ratio of the air outlets and send the opening ratio of the air outlets to the main controller; the main controller being configured to: obtain the current set speed of the indoor fan; correct the current actual running speed of the indoor fan and the current actual running frequency of the compressor according to the opening ratio and the current set speed; if the current set speed is a medium speed, the main controller is further configured to: if the opening ratio is less than a first threshold, control the indoor fan to work at a low speed and control the compressor to run at a target frequency corresponding to the limit frequency of the low speed; if not, maintain the current running state of the indoor fan and the compressor; if the current set speed is a high speed, the main controller is further configured to: if the opening ratio is less than a first threshold, control the indoor fan to work at a low speed and control the compressor to run at a target frequency corresponding to the limit frequency of the low speed; if the opening ratio is greater than or equal to the first threshold and less than a second threshold, control the indoor fan to work at a medium speed and control the compressor to run at a target frequency corresponding to the limit frequency of the medium speed; if the opening ratio is greater than or equal to the second threshold, maintain the current running state of the indoor fan and the compressor.

2. The air conditioner of claim 1, wherein Before executing the air valve control instructions, the zone controller is further configured to perform a reset action, which comprises: controlling the air valves to reset to a closed state after the air conditioner is powered on.

3. The air conditioner according to claim 1 or 2, characterized by The zone controller is further configured to: when the air conditioner is in a powered-on state, if it is detected that all the air valves in the air valve control instructions are in a closed state, forcibly open a default air valve; otherwise, execute the air valve control instructions; wherein the default air valve is any one of the air valves.

4. The air conditioner of claim 1, wherein The main controller is further configured to: if the current set speed is a low speed, maintain the current running state of the indoor fan and the compressor.

5. The air conditioner of claim 1, wherein The main controller is further configured to: According to the upper limit value of the rated operating frequency of the compressor and the frequency limiting coefficient preset corresponding to different wind speed gears, the limiting frequency corresponding to different wind speed gears is calculated.

6. The air conditioner of claim 1, wherein The wire controller has a parameter setting interface and a manual operation interface, the parameter setting interface is used to set the number of the air valves and the number of the air outlets corresponding to the air valves of the air conditioner, and the manual operation interface includes the names of the air valves, the air valve switches and the air valve opening degree adjustment keys of the air valves.

7. The air conditioner of claim 1, wherein The air valve has an air outlet end connected to a total interface of an air outlet pipeline, a plurality of branch pipes of the air outlet pipeline are connected to corresponding rooms, and one end of the branch pipe connected in the room is the air outlet; wherein the number of the air outlets corresponding to different air valves is the same or different.

8. An air conditioner characterized by comprising: It includes: An indoor unit installed at the top of a room and including an indoor fan; An outdoor unit including a compressor; A main controller electrically connected to at least the indoor fan and the compressor; A plurality of air ducts for delivering air from the indoor fan to a plurality of rooms in the room; A plurality of air valves installed one by one in a plurality of air ducts, the air valves send air to the corresponding rooms through at least one air outlet; A wire controller for receiving and sending air valve control instructions input by a user; A zone controller electrically connected between the wire controller and the main controller to receive the air valve control instructions, the zone controller is configured to: execute the air valve control instructions, and according to the air valve control instructions, calculate the opening ratio of the air outlet and send the opening ratio of the air outlet to the main controller; The main controller is configured to: obtain the current set wind speed gear of the indoor fan; adjust the current actual operating wind speed gear of the indoor fan according to the opening ratio of the air outlet and the current set wind speed gear; if the current set wind speed gear is the medium wind gear, the main controller is further configured to: if the opening ratio is less than the first threshold, control the indoor fan to work in the low wind gear, and control the compressor to operate at the limiting frequency corresponding to the low wind gear as the target frequency; if not, keep the current operating state of the indoor fan and the compressor; if the current set wind speed gear is the high wind gear, the main controller is further configured to: if the opening ratio is less than the first threshold, control the indoor fan to work in the low wind gear, and control the compressor to operate at the limiting frequency corresponding to the low wind gear as the target frequency; if the opening ratio reaches more than the first threshold and less than the second threshold, control the indoor fan to work in the medium wind gear, and control the compressor to operate at the limiting frequency corresponding to the medium wind gear as the target frequency; if the opening ratio reaches more than the second threshold, keep the current operating state of the indoor fan and the compressor.

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