Control method and device of air conditioner compressor, air conditioner and computer storage medium

Abstract

The invention relates to an air conditioner compressor control method and device, an air conditioner and a computer storage medium, and the method comprises the steps that a rotor of a first compressor and a rotor of a second compressor are positioned, so that the rotor of the first compressor and the rotor of the second compressor are symmetrically arranged; the first compressor and the second compressor are controlled to operate in the opposite rotating directions; the current of the first compressor or the second compressor is adjusted, operation of the first compressor and the second compressor is controlled based on the adjusted current, and the current difference between the adjusted first compressor and the adjusted second compressor is smaller than a preset threshold value. By means of the compressor, the problem that in the prior art, vibration of the compressor is reduced by additionally arranging a rubber ring or a vibration starting device, and the damping effect is poor is solved.

Description

Technical Field

[0001] The present application relates to the field of air conditioning control, and in particular to a control method and device for an air conditioning compressor, an air conditioner, and a computer storage medium. Background Art

[0002] The main source of noise during the operation of the air conditioner is the vibration of the compressor. The existing solution is to add rubber rings to the foot pads, or add devices such as vibrators to reduce the vibration of the compressor, but the existing shock-absorbing methods have poor shock-absorbing effects.

[0003] There is currently no effective solution to the above-mentioned problems in the prior art. Summary of the invention

[0004] The present application provides a control method and device for an air-conditioning compressor, an air conditioner and a computer storage medium, so as to solve the problem that the vibration of the compressor is reduced by adding a rubber ring or a shock absorber in the prior art, but the shock absorption effect is poor.

[0005] In a first aspect, the present application provides a control method for an air-conditioning compressor, wherein the air-conditioning comprises a first compressor and a second compressor that are symmetrically arranged, and the method comprises: positioning a rotor of the first compressor and a rotor of the second compressor so that the rotor of the first compressor and the rotor of the second compressor are symmetrically arranged; controlling the first compressor and the second compressor to operate in opposite directions; adjusting the current of the first compressor or the second compressor, and controlling the operation of the first compressor and the second compressor based on the adjusted current, wherein the current difference between the adjusted first compressor and the second compressor is less than a preset threshold.

[0006] Furthermore, positioning the rotor of the first compressor and the rotor of the second compressor so that the rotor of the first compressor and the rotor of the second compressor are symmetrically arranged includes: selecting any first sensor from multiple sensors of the first compressor; wherein the multiple sensors in the first compressor and the multiple sensors in the second compressor form multiple groups of sensors that are symmetrically arranged; determining a second sensor that is in the same group as the first sensor from the multiple groups of sensors, wherein the second sensor is a sensor in the second compressor; positioning the rotor of the first compressor at the first sensor, and positioning the rotor of the second compressor at the second sensor.

[0007] Furthermore, positioning the rotor of the first compressor and the rotor of the second compressor so that the rotor of the first compressor and the rotor of the second compressor are symmetrically arranged includes: positioning the rotor of the first compressor at a first target position, and positioning the rotor of the second compressor at a second target position; controlling the rotation of the first compressor and the second compressor so that the first target position and the second target position are symmetrical to each other.

[0008] Furthermore, adjusting the current of the first compressor or the second compressor includes: obtaining a current difference between the current of the first compressor and the current of the second compressor; when the current difference exceeds a first preset threshold, compensating for a smaller value of the current of the first compressor and the current of the second compressor until the current difference between the current of the first compressor and the current of the second compressor is less than the first preset threshold.

[0009] Furthermore, adjusting the current of the first compressor or the second compressor includes: obtaining the current difference between the current of the first compressor and the current of the second compressor; when the product of the current difference and the target coefficient exceeds a second preset threshold, compensating for the smaller value of the current of the first compressor and the current of the second compressor until the product result is less than the second preset threshold.

[0010] In a second aspect, the present application provides a control device for an air-conditioning compressor, wherein the air-conditioning comprises a first compressor and a second compressor that are symmetrically arranged, and the device comprises: a positioning module for positioning the rotor of the first compressor and the rotor of the second compressor so that the rotor of the first compressor and the rotor of the second compressor are symmetrically arranged; a first control module for controlling the first compressor and the second compressor to operate in opposite directions; and a second control module for adjusting the current of the first compressor or the second compressor, and controlling the operation of the first compressor and the second compressor based on the adjusted current, wherein the current difference between the adjusted first compressor and the second compressor is less than a preset threshold.

[0011] Further, the positioning module includes: a selection unit, used to select any first sensor from multiple sensors of the first compressor; wherein the multiple sensors in the first compressor and the multiple sensors in the second compressor form a plurality of groups of sensors that are symmetrically arranged; a determination module, used to determine a second sensor that is in a group with the first sensor from the plurality of groups of sensors, wherein the second sensor is a sensor in the second compressor; and a first positioning unit, used to position the rotor of the first compressor at the first sensor, and to position the rotor of the second compressor at the second sensor.

[0012] Furthermore, the second control module includes: a first acquisition unit, used to acquire the current difference between the current of the first compressor and the current of the second compressor; a second control unit, used to compensate for the smaller value of the current of the first compressor and the current of the second compressor when the current difference exceeds a first preset threshold value, until the current difference between the current of the first compressor and the current of the second compressor is less than the first preset threshold value.

[0013] In a third aspect, the present application provides an air conditioner, comprising: at least one communication interface; at least one bus connected to the at least one communication interface; at least one processor connected to the at least one bus; and at least one memory connected to the at least one bus, wherein the processor is configured to execute the control method for the air conditioning compressor described in the first aspect of the present application.

[0014] In a fourth aspect, the present application further provides a computer storage medium storing computer executable instructions, wherein the computer executable instructions are used to execute the air-conditioning compressor control method described in the first aspect of the present application.

[0015] The above technical solution provided by the embodiment of the present application has the following advantages over the prior art: In the embodiment of the present application, the rotor of the first compressor and the rotor of the second compressor are positioned so that the rotor of the first compressor and the rotor of the second compressor are symmetrically arranged, and then the first compressor and the second compressor are controlled to run in opposite directions, that is, the rotors of the two compressors are in opposite phases and run in different rotation directions so that the vibrations of the two compressors can be offset to a certain extent. At this time, the current difference between the first compressor and the second compressor is further adjusted to be less than the preset threshold, that is, the operating frequencies of the two compressors are also close. On the basis of the rotors of the two compressors being in opposite phases and running in different rotation directions, the vibrations of the compressors can be further offset, thereby greatly reducing the noise generated during the operation of the air-conditioning unit. In addition, in the embodiment of the present application, no additional device is added to offset the vibration of the compressor, so the additional power consumption caused by adding a rubber ring to the foot pad or adding a starter and other devices to offset the vibration of the compressor in the prior art can be avoided. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and, together with the description, serve to explain the principles of the invention.

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

[0018] One or more embodiments are exemplarily described by pictures in the corresponding drawings, and these exemplified descriptions do not constitute limitations on the embodiments. Elements with the same reference numerals in the drawings represent similar elements, and unless otherwise stated, the figures in the drawings do not constitute proportional limitations.

[0019] Figure 1 A flow chart of a method for controlling an air-conditioning compressor provided in an embodiment of the present application;

[0020] Figure 2 One of the schematic diagrams for positioning the compressor provided in the embodiment of the present application;

[0021] Figure 3 The second schematic diagram of the positioning of the compressor provided in the embodiment of the present application;

[0022] Figure 4 It is a schematic diagram of the structure of a dual compressor system damping control system for air conditioning in a specific implementation manner;

[0023] Figure 5 is a flow chart of a damping control method for a dual compressor system of an air conditioner in a specific implementation manner;

[0024] Figure 6 A schematic diagram of the structure of a control device for an air-conditioning compressor provided in an embodiment of the present application;

[0025] Figure 7 A schematic diagram of the structure of an air conditioner control device provided in an embodiment of the present application. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0027] The disclosure below provides many different embodiments or examples to implement different structures of the present invention. In order to simplify the disclosure of the present invention, the parts and settings of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the present invention. In addition, the present invention can repeat reference numbers and / or letters in different examples. This repetition is for the purpose of simplification and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed.

[0028] In order to solve the problem that the vibration of the rubber ring or the shock absorber compressor is poor in the prior art, the present application provides a control method for an air-conditioning compressor. The air-conditioning in the embodiment of the present application includes a first compressor and a second compressor which are symmetrically arranged. Based on this, Figure 1 As shown, the method steps in the embodiment of the present application include:

[0029] Step 101, positioning a rotor of a first compressor and a rotor of a second compressor so that the rotor of the first compressor and the rotor of the second compressor are symmetrically arranged;

[0030] In a specific example, Figure 2 As shown, 1 is the first compressor, 2 is the second compressor, and the first compressor and the second compressor are axially symmetrical along the straight line L. Therefore, the symmetrical arrangement of the rotor of the first compressor and the rotor of the second compressor may refer to positions axially symmetrical to the straight line L, such as position 3 of the first compressor and position 9 of the second compressor are axially symmetrically arranged, or position 6 of the first compressor and position 10 of the second compressor are axially symmetrically arranged.

[0031] Step 102, controlling the first compressor and the second compressor to operate in opposite directions;

[0032] In this regard, in a specific example, controlling the first compressor and the second compressor to run in opposite directions may mean that the first compressor runs in a clockwise direction and the second compressor runs in a counterclockwise direction, or the first compressor runs in a counterclockwise direction and the second compressor runs in a clockwise direction. Further, the operating speeds of the first compressor and the second compressor are consistent.

[0033] Step 103, adjusting the current of the first compressor or the second compressor, and controlling the operation of the first compressor and the second compressor based on the adjusted current, wherein the adjusted current difference between the first compressor and the second compressor is less than a preset threshold.

[0034] In the specific example, there is a difference in the current during the operation of the first compressor and the second compressor. Therefore, in the embodiment of the present application, the currents of the two can be adjusted to be as consistent as possible to make the currents of the two as close as possible, so that the operating frequencies of the first compressor and the second compressor can be close.

[0035] Through the above steps 101 to 103, in the embodiment of the present application, the rotor of the first compressor and the rotor of the second compressor are positioned so that the rotor of the first compressor and the rotor of the second compressor are symmetrically arranged, and then the first compressor and the second compressor are controlled to run in opposite directions, that is, the rotors of the two compressors are in opposite phases and run in different rotation directions so that the vibrations of the two compressors can be offset to a certain extent. At this time, the current difference between the first compressor and the second compressor is further adjusted to be less than the preset threshold, that is, the operating frequencies of the two compressors are also close. On the basis of the rotors of the two compressors being in opposite phases and running in different rotation directions, the vibrations of the compressors can be further offset, thereby greatly reducing the noise generated during the operation of the air-conditioning unit. In addition, in the embodiment of the present application, no additional device is added to offset the vibration of the compressor, so the additional power consumption caused by adding a rubber ring to the foot pad or adding a starter and other devices to offset the vibration of the compressor in the prior art can be avoided.

[0036] In the embodiment of the present application, the rotor can be positioned by a sensor disposed on the compressor, thereby determining whether the rotors on the two compressors are symmetrical. Therefore, the method of positioning the rotor of the first compressor and the rotor of the second compressor involved in the above step 101 so that the rotor of the first compressor and the rotor of the second compressor are symmetrically disposed can further include:

[0037] Step 11, selecting any first sensor from the multiple sensors of the first compressor; wherein the multiple sensors in the first compressor and the multiple sensors in the second compressor form a plurality of groups of sensors that are symmetrically arranged;

[0038] Step 12, determining a second sensor that is in a group with the first sensor from the plurality of sensor groups, wherein the second sensor is a sensor in the second compressor;

[0039] In step 13, the rotor of the first compressor is positioned at the first sensor, and the rotor of the second compressor is positioned at the second sensor.

[0040] In this regard, in the specific example, Figure 3For example, the number of sensors on each compressor is 4, that is, the first compressor includes vibration sensor 3, vibration sensor 4, vibration sensor 5, and vibration sensor 6, and the second compressor includes vibration sensor 7, vibration sensor 8, vibration sensor 9, and vibration sensor 10. Figure 3 From the positional relationship in , it can be seen that vibration sensor 3 and vibration sensor 9 are a group of symmetrically arranged sensors, vibration sensor 4 and vibration sensor 8 are a group of symmetrically arranged sensors, vibration sensor 5 and vibration sensor 7 are a group of symmetrically arranged sensors, and vibration sensor 6 and vibration sensor 10 are a group of symmetrically arranged sensors. If the first sensor in the embodiment of the present application can be vibration sensor 3, then the corresponding second sensor is vibration sensor 9. Positioning the rotor by using the sensors can make the positioning of the rotor convenient and quick, because only one of the sensors needs to be determined before the other symmetrical sensor can be determined. Of course, the above is only an example of the number of sensors on a compressor being 4. In other application scenarios, the number of sensors can be set accordingly according to actual needs, for example, the number of sensors is 2 or 8, etc.

[0041] In the embodiment of the present application, in addition to positioning the rotor by using a sensor, the rotor may also be positioned by rotating the compressor so that the two can be symmetrically arranged. Therefore, the method of positioning the rotor of the first compressor and the rotor of the second compressor involved in the above step 101 so that the rotor of the first compressor and the rotor of the second compressor are symmetrically arranged may further include:

[0042] Step 21, positioning the rotor of the first compressor at a first target position, and positioning the rotor of the second compressor at a second target position;

[0043] Step 22, controlling the rotation of the first compressor and the second compressor so that the first target position and the second target position are symmetrical to each other.

[0044] It can be known from the above steps 21 and 22 that in the embodiment of the present application, the rotor of the first compressor can be positioned at the first target position, and the rotor of the second compressor can be positioned at the second target position. The first target position can be any position of the first compressor, and the second target position can also be any position of the second compressor. Although the first target position and the second target position are arbitrary positions, after positioning, it is possible to clearly know the specific position of the compressor so that the subsequent compressor can be accurately symmetrical when it rotates. Therefore, after the rotors of the two compressors are positioned, the rotation of the first compressor and the second compressor can be controlled so that the first target position and the second target position are symmetrical to each other, and then the rotor of the first compressor and the rotor of the second compressor can also be symmetrically arranged. It can be seen that compared with the method of positioning by the sensor, the above method can reduce the burden of the sensor on the compressor, and at the same time, the symmetrical arrangement of the rotors of the two compressors can be achieved.

[0045] In the embodiment of the present application, if the current difference between the first compressor and the second compressor is less than the first preset threshold, there is no need to adjust the current of the first compressor or the second compressor. Only when the current difference between the two exceeds the first preset threshold, the current of the first compressor or the second compressor needs to be adjusted. Therefore, the method of adjusting the current of the first compressor or the second compressor involved in the above step 103 may further include:

[0046] Step 31, obtaining a current difference between a current of the first compressor and a current of the second compressor;

[0047] Step 32, when the current difference exceeds the first preset threshold, compensate for the smaller value of the current of the first compressor and the current of the second compressor until the current difference between the current of the first compressor and the current of the second compressor is less than the first preset threshold.

[0048] When the currents of the first compressor and the second compressor are close, the operating frequencies of the first compressor and the second compressor are also close. When the rotor phases of the first compressor and the second compressor are opposite and the rotation directions of the compressors are opposite, adjusting the currents of the two compressors to be close can further offset the vibrations generated by the two compressors. Normally, the compressor will need to increase its operating frequency as the outside temperature rises. Therefore, in the process of increasing the operating frequency, if the current difference between the two compressors exceeds the first preset threshold, it is necessary to increase the current of the compressor with a smaller current to ensure that the operating frequency of the compressor will not decrease. If the current of the compressor with a larger current is reduced, the operating frequency of the compressor will be reduced, which cannot meet the needs of the current environment.

[0049] In the embodiment of the present application, when adjusting the current of the first compressor or the second compressor, the current of the first compressor or the second compressor may be adjusted by comparing the product result of the current difference between the two and the target coefficient with the second preset threshold value, and the product result is made as close to 0 as possible during the adjustment process. Based on this, the method of adjusting the current of the first compressor or the second compressor involved in the above step 103 may further include:

[0050] Step 41, obtaining a current difference between a current of the first compressor and a current of the second compressor;

[0051] Step 42, when the product of the current difference and the target coefficient exceeds the second preset threshold, compensate for the smaller value of the current of the first compressor and the current of the second compressor until the product is less than the second preset threshold.

[0052] In some cases of specific examples, the chip built into the air conditioner may not be able to directly identify the current difference between the first compressor and the second compressor because the current difference is large. Therefore, by setting a target coefficient, the current difference can be reduced proportionally, so that the current recognition range of the chip can be met. However, the target coefficient cannot be too small, because if it is too small, the error of the current adjustment will become larger, thereby making the effect of the current adjustment worse. Similarly, in the process of increasing the operating frequency, if the current difference between the two compressors exceeds the second preset threshold, it is necessary to increase the current of the compressor with smaller current to ensure that the operating frequency of the compressor will not decrease. If the current of the compressor with larger current is reduced, the operating frequency of the compressor will be reduced, which cannot meet the needs of the current environment.

[0053] The present application is explained below in conjunction with a specific implementation of an embodiment of the present application. The specific implementation provides a damping control method for a dual compressor system of an air conditioner. Figure 4 is a schematic diagram of the system structure of this specific implementation method. Based on this, Figure 5 As shown, the method steps of this specific implementation method include:

[0054] Step 501, the controller positions the rotors of two compressors;

[0055] like Figure 3 As shown, in this specific embodiment, the shock absorbing device of the air conditioner includes a rotor position detection device, which includes vibration sensors 3, 4, 5, and 6 located around the compressor 1 and vibration sensors 7, 8, 9, and 10 located around the compressor 2; a current detection and feedback device, which further includes a current detector and a current comparator; and a controller for driving the compressor.

[0056] Two compressors are installed at two symmetrical corners of the unit. First, when the unit is ready to start the compressor, the controller first positions the rotors of compressors 1 and 2, and detects the position of the compressor rotors in real time through the vibration sensors located around the compressors, positioning the rotor of compressor 1 at vibration sensor 3 and the rotor of compressor 2 at vibration sensor 9. Alternatively, the rotor of compressor 1 is positioned at vibration sensor 4, and the rotor of compressor 2 is positioned at vibration sensor 8, etc.

[0057] Step 502, the controller controls the compressor;

[0058] Step 503, the current detector detects the currents I1 and I2 of the two compressors;

[0059] Step 504, the current comparator compares the currents of the two compressors and outputs Err=α(I1-I2);

[0060] Step 505, the controller compensates the compressor with a smaller current;

[0061] Step 506, whether Err approaches 0; if yes, execute step 507; if no, execute step 505;

[0062] It can be seen that after the rotor positioning is completed, the controller increases the frequency of the two compressors according to the current external temperature requirement of the unit, detects the current of each phase of the two compressors through the current detector of the current detection and feedback device, and inputs the detected current value I1 of compressor 1 and the current value I2 of compressor 2 into the current comparator, which compares the currents of the two compressors and outputs the error Err = α (I1-I2). Among them, α is a constant used to improve the accuracy of the error Err, which is obtained from actual tests. The error Err value is fed back to the controller, and the controller compensates for the compressor with a small current so that the error Err approaches 0. At this time, the two compressors have the same operating frequency, the same current, and opposite directions. The vibrations of the compressors cancel each other out to reduce the noise generated during the operation of the unit.

[0063] Step 507, controlling the compressor to operate normally.

[0064] It can be seen from the above steps 501 to 507 that vibration sensors are set on the two compressors to detect the position of the rotors and position the rotors of the two compressors at opposite positions. The two compressors are controlled to run in different rotation directions, and the vibrations of the two compressors can be offset by controlling the compressor currents to be the same, that is, there is no need to add additional vibration devices to offset the vibrations of the compressors as in the prior art.

[0065] Corresponding to the above Figure 1The present application also provides a control device for an air-conditioning compressor, wherein the air-conditioning comprises a first compressor and a second compressor which are symmetrically arranged. Figure 6 As shown, the device comprises:

[0066] A positioning module 602, used to position the rotor of the first compressor and the rotor of the second compressor so that the rotor of the first compressor and the rotor of the second compressor are symmetrically arranged;

[0067] A first control module 604 is used to control the first compressor and the second compressor to operate in opposite directions;

[0068] The second control module 606 is used to adjust the current of the first compressor or the second compressor, and control the operation of the first compressor and the second compressor based on the adjusted current, wherein the adjusted current difference between the first compressor and the second compressor is less than a preset threshold.

[0069] Through the device of the embodiment of the present application, the rotor of the first compressor and the rotor of the second compressor are positioned so that the rotor of the first compressor and the rotor of the second compressor are symmetrically arranged, and then the first compressor and the second compressor are controlled to run in opposite directions, that is, the rotors of the two compressors are in opposite phases and run in different rotation directions so that the vibrations of the two compressors can be offset to a certain extent. At this time, the current difference between the first compressor and the second compressor is further adjusted to be less than the preset threshold, that is, the operating frequencies of the two compressors are also close. On the basis that the rotors of the two compressors are in opposite phases and run in different rotation directions, the vibrations of the compressors can be further offset, thereby greatly reducing the noise generated during the operation of the air-conditioning unit. In addition, in the embodiment of the present application, no additional device is added to offset the vibration of the compressor, so it can also avoid the additional power consumption caused by adding rubber rings to the foot pads or adding devices such as oscillators to offset the vibration of the compressor in the prior art.

[0070] In an optional implementation manner of the embodiment of the present application, the positioning module in the embodiment of the present application may further include: a selection unit, used to select any first sensor from multiple sensors of the first compressor; wherein the multiple sensors in the first compressor and the multiple sensors in the second compressor constitute multiple groups of sensors symmetrically arranged; a determination module, used to determine a second sensor that is in the same group as the first sensor from the multiple groups of sensors, wherein the second sensor is a sensor in the second compressor; a first positioning unit, used to position the rotor of the first compressor at the first sensor, and to position the rotor of the second compressor at the second sensor.

[0071] In an optional implementation manner of an embodiment of the present application, the positioning module in the embodiment of the present application may further include: a second positioning unit, used to position the rotor of the first compressor at a first target position, and to position the rotor of the second compressor at a second target position; a first control unit, used to control the rotation of the first compressor and the second compressor so that the first target position and the second target position are symmetrical to each other.

[0072] In an optional implementation of the embodiment of the present application, the second control module in the embodiment of the present application may further include: a first acquisition unit, used to acquire the current difference between the current of the first compressor and the current of the second compressor; a second control unit, used to compensate for the smaller value of the current of the first compressor and the current of the second compressor when the current difference exceeds the first preset threshold value, until the current difference between the current of the first compressor and the current of the second compressor is less than the first preset threshold value.

[0073] In an optional implementation of the embodiment of the present application, the second control module in the embodiment of the present application may further include: a second acquisition unit, used to obtain the current difference between the current of the first compressor and the current of the second compressor; a third control unit, used to compensate for the smaller value of the current of the first compressor and the current of the second compressor when the product of the current difference and the target coefficient exceeds the second preset threshold, until the product result is less than the second preset threshold.

[0074] like Figure 7 As shown, the embodiment of the present application provides an air conditioner control device, including a processor 711, a communication interface 712, a memory 713 and a communication bus 714, wherein the processor 711, the communication interface 712, and the memory 713 communicate with each other through the communication bus 714.

[0075] Memory 713, used for storing computer programs;

[0076] In one embodiment of the present application, the processor 711 is used to execute the program stored in the memory 713 to implement the control method of the air-conditioning compressor provided by any of the aforementioned method embodiments, and its role is similar and will not be repeated here.

[0077] An embodiment of the present application further provides a computer-readable storage medium having a computer program stored thereon. When the computer program is executed by a processor, the steps of the method for controlling an air-conditioning compressor provided in any of the aforementioned method embodiments are implemented.

[0078] The device embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0079] Through the description of the above implementation methods, those skilled in the art can clearly understand that each implementation method can be implemented by means of software plus a general hardware platform, and of course, by hardware. Based on this understanding, the above technical solution is essentially or the part that contributes to the relevant technology can be embodied in the form of a software product, and the computer software product can be stored in a computer-readable storage medium, such as ROM / RAM, a disk, an optical disk, etc., including a number of instructions for a computer device (which can be a personal computer, a server, or a network device, etc.) to execute the methods described in each embodiment or some parts of the embodiments.

[0080] It should be understood that the terms used herein are only for the purpose of describing specific example embodiments and are not intended to be limiting. Unless the context clearly indicates otherwise, the singular forms "one", "an" and "said" as used herein may also be meant to include plural forms. The terms "include", "comprise", "contain", and "have" are inclusive, and therefore specify the existence of stated features, steps, operations, elements and / or parts, but do not exclude the existence or addition of one or more other features, steps, operations, elements, parts, and / or combinations thereof. The method steps, processes, and operations described herein are not interpreted as necessarily requiring them to be performed in the specific order described or illustrated, unless the execution order is clearly indicated. It should also be understood that additional or alternative steps may be used.

[0081] The foregoing is merely a specific embodiment of the present invention, which enables those skilled in the art to understand or implement the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features claimed herein.

Claims

1. A method for controlling an air-conditioning compressor, characterized in that: The air conditioner comprises a first compressor and a second compressor which are symmetrically arranged, and the method comprises: Positioning the rotor of the first compressor and the rotor of the second compressor so that the rotor of the first compressor and the rotor of the second compressor are symmetrically arranged; controlling the first compressor and the second compressor to operate in opposite directions; The current of the first compressor or the second compressor is adjusted, and the operation of the first compressor and the second compressor is controlled based on the adjusted current, wherein the adjusted current difference between the first compressor and the second compressor is less than a preset threshold.

2. The method according to claim 1, characterized in that Positioning the rotor of the first compressor and the rotor of the second compressor so that the rotor of the first compressor and the rotor of the second compressor are symmetrically arranged includes: Select any first sensor from the plurality of sensors of the first compressor; wherein the plurality of sensors in the first compressor and the plurality of sensors in the second compressor form a plurality of groups of sensors that are symmetrically arranged; Determining a second sensor in a group with the first sensor from the plurality of groups of sensors, wherein the second sensor is a sensor in the second compressor; The rotor of the first compressor is positioned at the first sensor, and the rotor of the second compressor is positioned at the second sensor.

3. The method according to claim 1, characterized in that Positioning the rotor of the first compressor and the rotor of the second compressor so that the rotor of the first compressor and the rotor of the second compressor are symmetrically arranged includes: positioning a rotor of the first compressor at a first target position and positioning a rotor of the second compressor at a second target position; The rotation of the first compressor and the second compressor is controlled so that the first target position and the second target position are symmetrical to each other.

4. The method according to claim 1, characterized in that Adjusting the current of the first compressor or the second compressor includes: obtaining a current difference between a current of the first compressor and a current of the second compressor; When the current difference exceeds a first preset threshold, a smaller value between the current of the first compressor and the current of the second compressor is compensated until the current difference between the current of the first compressor and the current of the second compressor is less than the first preset threshold.

5. The method according to claim 1, characterized in that: Adjusting the current of the first compressor or the second compressor includes: obtaining a current difference between a current of the first compressor and a current of the second compressor; When the product of the current difference and the target coefficient exceeds a second preset threshold, the smaller value of the current of the first compressor and the current of the second compressor is compensated until the product is less than the second preset threshold.

6. A control device for an air-conditioning compressor, characterized in that: The air conditioner comprises a first compressor and a second compressor which are symmetrically arranged, and the device comprises: a positioning module, used for positioning the rotor of the first compressor and the rotor of the second compressor so that the rotor of the first compressor and the rotor of the second compressor are symmetrically arranged; A first control module, used for controlling the first compressor and the second compressor to operate in opposite directions; The second control module is used to adjust the current of the first compressor or the second compressor, and control the operation of the first compressor and the second compressor based on the adjusted current, wherein the adjusted current difference between the first compressor and the second compressor is less than a preset threshold.

7. The device according to claim 6, characterized in that The positioning module comprises: A selection unit, configured to select any first sensor from a plurality of sensors of the first compressor; wherein the plurality of sensors in the first compressor and the plurality of sensors in the second compressor form a plurality of groups of sensors that are symmetrically arranged; a determination module, configured to determine a second sensor that is in a group with the first sensor from the plurality of sensor groups, wherein the second sensor is a sensor in the second compressor; The first positioning unit is used to position the rotor of the first compressor at the first sensor and to position the rotor of the second compressor at the second sensor.

8. The device according to claim 6, characterized in that The second control module includes: a first acquisition unit, configured to acquire a current difference between a current of the first compressor and a current of the second compressor; The second control unit is used to compensate for the smaller value of the current of the first compressor and the current of the second compressor when the current difference exceeds the first preset threshold value, until the current difference between the current of the first compressor and the current of the second compressor is less than the first preset threshold value.

9. An air conditioner, comprising: at least one communication interface; at least one bus connected to the at least one communication interface; at least one processor coupled to the at least one bus; At least one memory connected to the at least one bus, wherein the processor is configured to execute the control method of the air-conditioning compressor according to any one of claims 1 to 6. 10 . A computer storage medium storing computer executable instructions, wherein the computer executable instructions are used to execute the control method for an air-conditioning compressor according to any one of claims 1 to 6.

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