A self-checking method and system for a household air conditioner motor

Abstract

The embodiment of the application provides a self-checking method and system of a household air conditioner motor, and belongs to the technical field of motor self-checking. The method comprises the following steps: in response to a self-checking request of a user for the air conditioner motor, obtaining working voltage and actual rotating speed of the air conditioner motor at subsequent multiple time points since the request; obtaining a rotating speed limit threshold corresponding to each of the working voltage of the air conditioner motor at the multiple time points, and when the actual rotating speed at the multiple time points is all within the corresponding rotating speed limit threshold, calculating a difference between the actual rotating speed of the air conditioner motor at the multiple time points and a minimum value in the rotating speed limit threshold; obtaining a current change value of the multiple differences, determining a current air conditioner motor maintenance strategy corresponding to the current change value according to a corresponding relationship between the change value and the air conditioner motor maintenance strategy, and prolonging the use time of the air conditioner motor. The self-checking method and system of the household air conditioner motor can give a warning for the use state of the air conditioner motor, timely check out existing problems, execute corresponding operations, and avoid faults.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of motor self-checking, in particular to a self-checking method and system for a household air conditioner motor. BACKGROUND

[0002] The household air conditioner motor generally adopts an asynchronous motor, and the current asynchronous motor is generally an automatically controlled speed motor. The air conditioner motor often has a problem of slow motor speed after being used for a period of time. The current self-checking method mainly determines whether the household air conditioner motor has a fault by comparing the actual speed with a preset speed threshold, and judges the cause of the fault. However, the current method only detects the cause of the fault when the fault occurs, and does not have a good early warning before the fault occurs. Once the damage occurs, the air conditioner motor can only be replaced, and the use experience is poor. SUMMARY

[0003] The purpose of the embodiments of the present application is to provide a self-checking method and system for a household air conditioner motor, which can give a warning for the use state of the air conditioner motor, timely check the existing problems, and perform corresponding operations to avoid faults.

[0004] In order to achieve the above purpose, the self-checking method for the household air conditioner motor provided by the embodiments of the present application comprises the following steps.

[0005] In response to a self-checking request of a user for the air conditioner motor, the working voltage and the actual speed of the air conditioner motor at subsequent multiple time points since the request are obtained.

[0006] The speed limit threshold corresponding to each of the working voltages of the air conditioner motor at the multiple time points is obtained. When the actual speeds at the multiple time points are all within the corresponding speed limit threshold, the difference between the actual speed of the air conditioner motor at the multiple time points and the minimum value of the speed limit threshold is calculated.

[0007] The current change value of the multiple differences is obtained. According to the corresponding relationship between the change value and the air conditioner motor maintenance strategy, the current air conditioner motor maintenance strategy corresponding to the current change value is determined, so that the use time of the air conditioner motor is increased.

[0008] Preferably, the step of obtaining the working voltage and the actual speed of the air conditioner motor at the subsequent multiple time points since the request comprises the following steps.

[0009] The working voltage of the air conditioner motor at the subsequent multiple time points since the request is detected by a detection device.

[0010] The actual speed at the subsequent multiple time points since the request is obtained by a speed sensor.

[0011] Preferably, the rotation speed limit threshold is configured to be the maximum and minimum values of the rotation speed of the air conditioner motor under normal operation at each working voltage, wherein the air conditioner motor is under normal operation when the difference between the target rotation speed and the actual rotation speed is less than a preset error threshold.

[0012] Preferably, the determining of the current air conditioner motor maintenance strategy corresponding to the current change value according to the correspondence between the change value and the air conditioner motor maintenance strategy comprises:

[0013] when the current change value is within a first preset change threshold range, the current air conditioner motor maintenance strategy is to clean the inside of the cabinet where the air conditioner motor is located, to achieve dust cleaning;

[0014] when the current change value is within a second preset change threshold range, the current air conditioner motor maintenance strategy is to reduce one power gear of the air conditioner motor when the current power gear is not the lowest gear, and to configure the air conditioner motor to a low-power mode when the current power gear is the lowest gear; wherein the air conditioner motor is configured with a preset number of power gears.

[0015] Preferably, the current air conditioner motor maintenance strategy is configured to be related to the correspondence between the change value and the historical failure result.

[0016] In addition, the present application also provides a self-checking system for a household air conditioner motor, which comprises:

[0017] a voltage and rotation speed acquisition unit configured to acquire the working voltage and the actual rotation speed of the air conditioner motor at subsequent multiple time points after a self-checking request of the air conditioner motor is requested by a user;

[0018] a difference calculation unit configured to acquire the rotation speed limit threshold corresponding to each of the working voltages of the air conditioner motor at the multiple time points, and to calculate the difference between the actual rotation speed of the air conditioner motor at the multiple time points and the minimum value of the rotation speed limit threshold when the actual rotation speed at the multiple time points is within the corresponding rotation speed limit threshold;

[0019] a strategy execution unit configured to acquire the current change value of the multiple differences, to determine the current air conditioner motor maintenance strategy corresponding to the current change value according to the correspondence between the change value and the air conditioner motor maintenance strategy, and to make the air conditioner motor increase the use time.

[0020] Preferably, the voltage and rotation speed acquisition unit comprises:

[0021] a detection device configured to detect the working voltage of the air conditioner motor at subsequent continuous multiple time points after the self-checking request is requested; and

[0022] A rotation speed sensor acquires actual rotation speeds at a plurality of time points after a request.

[0023] Preferably, the rotation speed limit threshold is configured as a maximum value and a minimum value of the rotation speed of the air conditioner motor under normal operation at each working voltage, wherein the air conditioner motor under normal operation is that a difference between the target rotation speed and the actual rotation speed is less than a preset error threshold.

[0024] Preferably, the strategy execution unit comprises:

[0025] The first execution module is configured to, when the current change value is within a first preset change threshold range, the current air conditioner motor maintenance strategy is to clean the inside of a cabinet where the air conditioner motor is located, so as to clean dust.

[0026] The second execution module is configured to, when the current change value is within a second preset change threshold range, the current air conditioner motor maintenance strategy is to reduce a power gear of the air conditioner motor by one when the current power gear is not the lowest gear, and to configure the air conditioner motor into a low-power mode when the current power gear is the lowest gear, wherein the air conditioner motor is configured with a preset number of power gears.

[0027] In addition, the application also provides a machine readable storage medium, which stores instructions for causing a machine to execute the self-checking method of the household air conditioner motor.

[0028] Through the above technical solution, the possible failure direction of the air conditioner motor can be predicted according to the working voltage and the actual rotation speed at a plurality of time points, and then the related strategy is executed to avoid the possible failure direction, so that the service life of the air conditioner motor is longer and the air conditioner motor will not fail quickly.

[0029] Other features and advantages of the embodiments of the application will be described in detail in the following specific embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0030] The accompanying drawings are included to provide a further understanding of the embodiments of the application, and constitute a part of the specification, and are used together with the following specific embodiments to explain the embodiments of the application, but do not constitute a limitation on the embodiments of the application. In the drawings:

[0031] Figure 1 is a flowchart illustrating a self-checking method of a household air conditioner motor of the application;

[0032] Figure 2 is a module block diagram illustrating a self-checking system of a household air conditioner motor of the application. DETAILED DESCRIPTION

[0033] The specific embodiments of the present application are described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely intended for illustration and explanation of the embodiments of the present application and are not intended to limit the embodiments of the present application.

[0034] Figure 1 is a flowchart of a self-checking method of a household air conditioner motor according to an embodiment of the present application, as shown in the figure, the self-checking method of the household air conditioner motor comprises: Figure 1

[0035] S101, in response to a user's request for self-checking of an air conditioner motor, obtaining working voltage and actual rotating speed of the air conditioner motor at subsequent multiple time points since the request; the voltage can be 220v.

[0036] S102, obtaining rotating speed limit threshold values corresponding to the working voltage of the air conditioner motor at the multiple time points, and calculating the difference between the actual rotating speed of the air conditioner motor at the multiple time points and the minimum value of the rotating speed limit threshold values when the actual rotating speed at the multiple time points is in the corresponding rotating speed limit threshold value; different working voltages correspond to different rotating speed limit threshold values.

[0037] S103, obtaining a current change value of the multiple difference values, determining a current air conditioner motor maintenance strategy corresponding to the current change value according to the corresponding relationship between the change value and the air conditioner motor maintenance strategy, so as to increase the use time of the air conditioner motor.

[0038] Preferably, the S101 obtaining the working voltage and the actual rotating speed of the air conditioner motor at the subsequent multiple time points since the request can comprise:

[0039] detecting the working voltage of the air conditioner motor at the subsequent continuous multiple time points since the request by a detection device; and

[0040] obtaining the actual rotating speed at the subsequent multiple time points since the request by a rotating speed sensor. The rotating speed sensor can be a laser sensor for sensing a fan.

[0041] Preferably, the rotating speed limit threshold value is configured as the maximum value and the minimum value of the rotating speed under normal working of the air conditioner motor at each working voltage, wherein the normal working of the air conditioner motor is that the difference between the target rotating speed and the actual rotating speed is less than a preset error threshold value.

[0042] Preferably, the determining the current air conditioner motor maintenance strategy corresponding to the current change value according to the corresponding relationship between the change value and the air conditioner motor maintenance strategy comprises:

[0043] ​When the current change value is in a first preset change threshold range, the current air conditioner motor maintenance strategy is to clean the inside of a case in which the air conditioner motor is located, so as to clean dust.

[0044] When the current change value is in a second preset change threshold range, the current air conditioner motor maintenance strategy is to reduce a power gear of the air conditioner motor by one when the current power gear is not the lowest gear, and to configure the air conditioner motor to a low-power mode when the current power gear is the lowest gear; wherein the air conditioner motor is configured with a preset number of power gears.

[0045] Preferably, the current air conditioner motor maintenance strategy is configured to be related to a corresponding relationship between a change value and a historical failure result.

[0046] In addition, as Figure 2 shown, the present application also provides a self-checking system for a household air conditioner motor, the self-checking system for the household air conditioner motor comprising:

[0047] a voltage and speed acquisition unit configured to acquire working voltages and actual speeds of the air conditioner motor at subsequent multiple time points since a self-checking request of the air conditioner motor is requested by a user;

[0048] a difference calculation unit configured to acquire speed limit thresholds corresponding to the working voltages of the air conditioner motor at the multiple time points respectively, and to calculate differences between the actual speeds of the air conditioner motor at the multiple time points and a minimum value of the speed limit thresholds when the actual speeds at the multiple time points are all in the corresponding speed limit thresholds;

[0049] a strategy execution unit configured to acquire a current change value of the multiple differences, to determine a current air conditioner motor maintenance strategy corresponding to the current change value according to a corresponding relationship between the change value and the air conditioner motor maintenance strategy, and to make the air conditioner motor increase a use time.

[0050] Preferably, the voltage and speed acquisition unit comprises:

[0051] a detection device configured to detect the working voltages of the air conditioner motor at the subsequent multiple time points since the self-checking request is requested; and

[0052] a speed sensor configured to acquire the actual speeds at the subsequent multiple time points since the self-checking request is requested.

[0053] Preferably, the speed limit thresholds are configured to be maximum values and minimum values of speeds of the air conditioner motor under normal working conditions at respective working voltages, wherein the normal working conditions of the air conditioner motor are that a difference between a target speed and an actual speed is less than a preset error threshold.

[0054] Preferably, the strategy execution unit comprises:

[0055] The first execution module is configured to, when the current change value is within a first preset change threshold range, execute the current air conditioner motor maintenance strategy as cleaning the inside of a case in which the air conditioner motor is located, so as to clean dust.

[0056] The second execution module is configured to, when the current change value is within a second preset change threshold range, execute the current air conditioner motor maintenance strategy as reducing a power gear of the air conditioner motor by one when the current power gear is not the lowest gear, and configuring the air conditioner motor into a low-power mode when the current power gear is the lowest gear; wherein the air conditioner motor is configured with a preset number of power gears.

[0057] The self-checking system of the household air conditioner motor has the same technical features and effects as the self-checking method of the household air conditioner motor compared with the prior art, which will not be described here.

[0058] In addition, the application also provides a machine readable storage medium, which stores instructions for causing a machine to execute the self-checking method of the household air conditioner motor.

[0059] Those skilled in the art should understand that embodiments of the present application can be provided as a method, a system, or a computer program product. Therefore, the present application can take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Moreover, the present application can take the form of a computer program product implemented on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROMs, optical storage devices, etc.) containing computer-usable program code.

[0060] The present application is described with reference to flowcharts and / or block diagrams of the method, device (system), and computer program product according to embodiments of the present application. It should be understood that each flow and / or block in the flowcharts and / or block diagrams, and the combination of flows and / or blocks in the flowcharts and / or block diagrams can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general-purpose computer, a special-purpose computer, an embedded processor, or other programmable data processing apparatus to produce a machine, so that the instructions executed by the processor of the computer or other programmable data processing apparatus produce a device that implements the functions specified in the flowcharts and / or block diagrams. Figure 1 The functions specified in one or more flows and / or blocks Figure 1 The functions specified in one or more flows and / or blocks

[0061] These computer program instructions can also be stored in a computer-readable memory that can direct the computer or other programmable data processing apparatus to work in a specific manner, so that the instructions stored in the computer-readable memory produce a manufactured product including instruction devices that implement the functions specified in the flowcharts and / or block diagrams. Figure 1 one or more processes and / or blocks Figure 1 the function(s) specified in the block or blocks.

[0062] These computer program instructions can also be loaded into computer or other programmable data processing devices to cause a series of operational steps to be performed on the computer or other programmable devices to produce a computer implemented process such that the instructions which execute on the computer or other programmable devices provide steps for implementing the functions specified in the flowchart block or blocks. Figure 1 one or more processes and / or blocks Figure 1 the function(s) specified in the block or blocks.

[0063] In a typical configuration, a computing device includes one or more processors (CPUs), input / output interfaces, network interfaces, and memory.

[0064] The memory can include non-persistent memory and / or volatile memory, such as random access memory (RAM) about which the computer stores information about an operating system or application programs, e.g., in a working memory. The memory can also include non-volatile memory, such as read only memory (ROM), EPROM, EEPROM, or flash memory, about which the computer stores information, such as firmware for the computer. Note that not all of the

[0065] Computer readable media includes permanent and non-permanent, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), static random access memory (SRAM), dynamic random access memory (DRAM), other types of random access memory (RAM), read only memory (ROM), electrically erasable programmable read only memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), digital versatile discs (DVD) or other optical storage, magnetic cassettes, magnetic tapes, magnetic disk storage or other magnetic storage devices, or any other non-transmission medium that can be used to store information accessible to a computing device. According to the definition herein, computer readable media does not include transitory media, such as modulated data signals and carrier waves.

[0066] It should also be noted that the terms "comprising", "comprises", "including", "includes" or any other variation thereof are intended to cover a non-exclusive inclusion, such that a process, method, article or apparatus that comprises a list of elements does not include only those elements recited, but can also include other elements not expressly listed or inherent to such process, method, article or apparatus. Without limitation, an element preceded by "comprises a" does not, without more constraints, foreclose the existence of additional identical elements in the process, method, article or apparatus that includes the element.

[0067] Those skilled in the art will appreciate that embodiments of the present application can be readily used as a method, a system or a computer program product. Accordingly, the present application can take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application can take the form of a computer program product on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROMs, optical storage devices, etc.) embodying computer-readable program code thereon for use by a computer or computer system.

[0068] The foregoing is merely illustrative of the embodiments of the present application and is not used to limit the present application. The present application can be varied in many ways. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present application should be included in the scope of claims of the present application.

Claims

1. A self-checking method of a home air conditioner motor, characterized by, The self-checking method of the household air conditioner motor comprises: In response to a user's request for self-checking of the air conditioner motor, the working voltage and actual speed of the air conditioner motor at subsequent multiple time points since the request is obtained; The speed limit threshold corresponding to each working voltage of the air conditioner motor at the multiple time points is obtained, and when the actual speeds at the multiple time points are all in their corresponding speed limit thresholds, the difference between the actual speed of the air conditioner motor at the multiple time points and the minimum value of the speed limit threshold is calculated; The current change value of the multiple difference values is obtained, and the current air conditioner motor maintenance strategy corresponding to the current change value is determined according to the corresponding relationship between the change value and the air conditioner motor maintenance strategy, so that the use time of the air conditioner motor is increased; The current air conditioner motor maintenance strategy corresponding to the current change value is determined according to the corresponding relationship between the change value and the air conditioner motor maintenance strategy, which comprises: When the current change value is in a first preset change threshold range, the current air conditioner motor maintenance strategy is to clean the inside of the cabinet where the air conditioner motor is located, so as to realize dust cleaning; When the current change value is in a second preset change threshold range, the current air conditioner motor maintenance strategy is to reduce one power gear of the air conditioner motor when the current power gear is not the lowest gear, and to configure the air conditioner motor to a low-power mode when the current power gear is the lowest gear; wherein the air conditioner motor is configured with a preset number of power gears.

2. The self-checking method of the household air conditioner motor according to claim 1, characterized in that, The working voltage and actual speed of the air conditioner motor at subsequent multiple time points since the request are obtained, which comprises: The working voltage of the air conditioner motor is detected by a detection device at subsequent continuous multiple time points since the request; and The actual speed at subsequent multiple time points since the request is obtained by a speed sensor.

3. The self-checking method of the household air conditioner motor according to claim 1, characterized in that, The speed limit threshold is configured to be the maximum value and the minimum value of the speed under the normal working condition of the air conditioner motor at each working voltage, wherein the normal working condition of the air conditioner motor is that the difference between the target speed and the actual speed is less than a preset error threshold.

4. The self-checking method of the household air conditioner motor according to claim 1, characterized in that, The current air conditioner motor maintenance strategy is configured to be related to the corresponding relationship between the change value and the historical failure result.

5. A self-checking system for a home air conditioner motor, characterized by, The self-checking system of the household air conditioner motor comprises: A voltage and speed acquisition unit is configured to obtain the working voltage and actual speed of the air conditioner motor at subsequent multiple time points since the request in response to a user's request for self-checking of the air conditioner motor; A difference calculation unit is configured to obtain the speed limit threshold corresponding to each working voltage of the air conditioner motor at the multiple time points, and to calculate the difference between the actual speed of the air conditioner motor at the multiple time points and the minimum value of the speed limit threshold when the actual speeds at the multiple time points are all in their corresponding speed limit thresholds; A strategy execution unit is configured to obtain the current change value of the multiple difference values, and to determine the current air conditioner motor maintenance strategy corresponding to the current change value according to the corresponding relationship between the change value and the air conditioner motor maintenance strategy, so that the use time of the air conditioner motor is increased; The strategy execution unit comprises: The first execution module is configured to, when the current change value is within a first preset change threshold range, implement the current air conditioner motor maintenance strategy of cleaning the inside of a case in which the air conditioner motor is located, thereby cleaning dust. The second execution module is configured to, when the current change value is within a second preset change threshold range, implement the current air conditioner motor maintenance strategy of, when the current power gear is not the lowest gear, reducing a power gear of the air conditioner motor by one, and when the current power gear is the lowest gear, configuring the air conditioner motor to a low-power mode; wherein the air conditioner motor is configured with a preset number of power gears.

6. The self-checking system of the household air conditioner motor according to claim 5, characterized in that, The voltage and speed acquisition unit comprises: a detection device configured to detect the working voltage of the air conditioner motor at a plurality of subsequent time points continuously since a request is made; and a speed sensor configured to acquire the actual speed at a plurality of subsequent time points since the request is made.

7. The self-checking system of the household air conditioner motor according to claim 5, characterized in that, The speed limit threshold is configured to be the maximum value and the minimum value of the speed of the air conditioner motor under normal operation at each working voltage, wherein the air conditioner motor under normal operation is a difference between a target speed and an actual speed being less than a preset error threshold. 8.A machine readable storage medium having instructions stored thereon for causing a machine to perform the self-checking method of the household air conditioner motor according to any one of claims 1-4.

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