CN110542806B - Method and system for self-checking electric appliance fault - Google Patents
Method and system for self-checking electric appliance fault Download PDFInfo
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- CN110542806B CN110542806B CN201910668262.8A CN201910668262A CN110542806B CN 110542806 B CN110542806 B CN 110542806B CN 201910668262 A CN201910668262 A CN 201910668262A CN 110542806 B CN110542806 B CN 110542806B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
Abstract
The invention relates to a self-checking method for self-checking electric appliance faults, which is characterized by comprising the following steps: under the condition that the electrical appliance is identified to be abnormal, the additional load of the electrical appliance in the first working mode is closed, so that the electrical appliance enters the second working mode; in response to the shutdown, determining whether the top-up load has a fault based on a first reference value and a first measured value of a current parameter, wherein the first reference value and the first measured value correspond to the second mode of operation. The invention can enable the user to know which load has a fault, and avoid starting the working mode of using the fault load, thereby ensuring the power utilization safety of the user.
Description
Technical Field
The invention relates to the technical field of electric appliances, in particular to a method and a system for self-checking electric appliance faults.
Background
The general electric appliance comprises a plurality of loads, the different loads correspond to different functions of the electric appliance, the electric appliance is usually started by the plurality of loads simultaneously in a normal working mode, and if the electric appliance is abnormal in the using process, a user does not know which load fails, so that the user blindly starts a mode corresponding to the failed load, and an electric fire accident is caused. For example, when the air conditioner starts the indoor heating mode, the following three loads need to be started: if the air conditioner is abnormal in the process of starting an indoor heating mode, a user cannot know which load of the three loads fails, and when the air conditioner is started next time, the air conditioner is damaged electrically due to the fact that the mode with the failed load is started by mistake. In order to improve the power utilization safety of a user, the invention provides an electrical fault self-checking method which can automatically identify the abnormity of an electrical appliance and remind the user, and meanwhile, can specifically identify which load fails, so that the user can avoid starting a working mode corresponding to the failed load, and the power utilization safety of the user is improved.
Disclosure of Invention
To solve the above technical problem or at least partially solve the above technical problem, the present invention provides a method and a system for self-checking of an electrical fault.
In order to solve the technical problems, the invention adopts the technical scheme that:
a self-checking method is used for self-checking of electric appliance faults, and is characterized by comprising the following steps:
under the condition that the electrical appliance is identified to be abnormal, the additional load of the electrical appliance in the first working mode is closed, so that the electrical appliance enters the second working mode;
in response to the shutdown, determining whether the top-up load has a fault based on a first reference value and a first measured value of a current parameter, wherein the first reference value and the first measured value correspond to the second operating mode.
Optionally, before the load of the electrical appliance is turned off, the method further includes:
and identifying whether the electrical appliance is abnormal or not according to a second reference value and a second measured value of the current parameter, wherein the second reference value and the second measured value correspond to the first working mode.
Optionally, when it is determined that the additional load in the second operating mode has no fault, the additional load in the second operating mode is turned off, so that the electrical appliance enters a third operating mode;
and in response to the shutdown, determining whether the load in the third operating mode has a fault according to a third reference value and a third measured value of the current parameter, wherein the third reference value and the third measured value correspond to the third operating mode.
Optionally, before identifying whether the electrical appliance is abnormal according to the reference value and the measured value of the current parameter in the current mode, the method further includes:
and generating reference values of the current parameter in different working modes according to the measured values of the current parameter in different working modes when the electric appliance works for the first time.
Optionally, turning off the add-on load comprises:
receiving abnormal information of the electric appliance;
responding to the electrical appliance abnormal information, and generating additional load closing information;
and closing the additional load based on the additional load closing information.
Optionally, the current parameters include: one or more of a current slope difference, a current harmonic difference, a current effective value.
Optionally, determining whether the loading load has a fault according to the first reference value and the first measured value of the current parameter includes:
calculating a percentage deviation of the first measurement value from the first reference value;
and judging whether the loaded load has a fault or not according to the deviation percentage and a set threshold value.
Optionally, determining whether the electrical appliance is abnormal according to the second reference value and the second measurement value of the current parameter includes:
calculating a percent deviation of the second measurement value from the second reference value;
and judging whether the electrical appliance is abnormal or not according to the deviation percentage and a set threshold value.
Optionally, determining whether the load under the third operating mode has a fault according to the third reference value and the third measured value of the current parameter includes:
calculating a percent deviation of the third measurement value from the third reference value;
and judging whether the load added in the third working mode has a fault or not according to the deviation percentage and a set threshold value.
A self-test system comprising: the closing unit is used for closing the additional load of the electric appliance in the first working mode under the condition that the abnormality of the electric appliance is identified so as to enable the electric appliance to enter a second working mode;
and the judging unit is used for responding to the closing and judging whether the loading load has a fault or not according to a first reference value and a first measured value of the current parameter, wherein the first reference value and the first measured value correspond to the second working mode.
Compared with the prior art, the technical scheme provided by the embodiment of the invention has the following advantages: according to the method provided by the embodiment of the invention, when a certain load in the electric appliance fails, the electric appliance generates an exception to remind a user that the current working mode of the electric appliance is failed, so that the user can close the current working mode of the electric appliance to ensure personal safety, in addition, the user can adjust the electric appliance to other working modes to judge whether the load is additionally provided with the fault or not, the user can know which load is failed, the working mode of using the fault load is avoided being started, and the user can also maintain the fault load of the electric appliance in a targeted manner.
Drawings
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.
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a schematic diagram of a method for determining whether there is a fault in an attached load in a second operating mode according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a method for determining whether there is a fault in an attached load in a third operating mode according to an embodiment of the present invention;
FIG. 3 is a schematic flow chart of an electrical fault self-test provided by an embodiment of the present invention;
FIG. 4 is a schematic diagram of an apparatus of an electrical fault self-checking system according to an embodiment of the present invention;
fig. 5 is a block diagram of an electronic device according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
A self-checking method for self-checking the fault of electric appliance is disclosed, which is shown in figure 1,
step S100, under the condition that the electrical appliance is identified to be abnormal, the additional load of the electrical appliance in the first working mode is closed, so that the electrical appliance enters the second working mode;
and S101, responding to the closing, and judging whether the loading load has a fault or not according to a first reference value and a first measured value of the current parameter, wherein the first reference value and the first measured value correspond to a second working mode.
[ METHOD EXAMPLE 1 ]
In embodiment 1, all the steps of the method shown in fig. 1 are included, wherein step S100 is specifically implemented by the following processes:
the electric appliance operates in a first working mode;
and when the abnormal condition of the electric appliance is identified, closing the load added by the user in the first working mode, and enabling the user to enter a second working mode.
In the closing of the working process of the added load, illustratively, in response to the closing, the added load closing information is generated, and the added load is closed based on the added load closing information.
[ METHOD EXAMPLE 2 ]
In embodiment 2, all the steps of the method shown in fig. 1 are included, wherein step S101 is specifically implemented by the following processes:
responding to the closing result, comparing a first reference value and a first measured value of the current parameter, judging whether the additional load has faults or not according to the comparison result, and if the comparison result is the same, judging that the additional load has faults; if the comparison result is different, it is determined that the fault is not present in the load to be added but is present in another load in the second operation mode, and if the comparison result is different, the process proceeds to step S200.
In some embodiments of the invention, as shown in fig. 2, in the case where there is no failure in the retrofit load in the second mode of operation, the process continues by:
step S200: under the condition that the additional load in the second working mode is judged to have no fault, the additional load in the second working mode is closed, so that the electric appliance enters a third working mode;
step S201: and responding to the closing, and judging whether the additional load in the third working mode has a fault or not according to the third reference value and the third measured value of the current parameter.
And under the condition that the additional load in the second working mode has no fault, closing the additional load in the second working mode to enable the electrical appliance to enter a third working mode, wherein a third reference value and a third measured value of the current parameter are compared in the third working mode to judge whether the additional load in the third working mode has the fault. If the comparison results are the same, judging that the additional load has a fault; and if the comparison results are different, judging whether the fault exists in the load which is added in the third working mode but exists in other loads in the third working mode, in this case, continuously closing the load which is added in the third working mode, entering the next working mode, and comparing the reference value and the measured value in the next working mode to judge whether the load which is added in the next working mode has the fault. The above sequence is sequentially continued until it is determined that there is a faulty load.
Before the electrical apparatus is closed to install the load under the second mode of operation, still include:
and identifying whether the electrical appliance is abnormal or not according to a second reference value and a second measured value of the current parameter, wherein the second reference value and the second measured value correspond to the first working mode.
In particular, the appliance operates in a first operating mode, the second reference value and the second measured value corresponding to the first operating mode. When the comparison result of the second reference value and the second measured value of the current parameter is different, the electrical appliance is abnormal, and under the condition that the electrical appliance is abnormal, the additionally-installed load of the electrical appliance in the first working mode is closed, the electrical appliance enters the second working mode, and whether a fault exists in the additionally-installed load in the second working mode is judged.
In some embodiments of the present invention, the additional load refers to a load that is different when the electrical appliance is turned on in the first operating mode and the second operating mode, or a load that is different when the electrical appliance is turned on in the second operating mode and the third operating mode, or a load that is different when the electrical appliance is turned on in two adjacent operating modes, where the additional load refers to a load with one load.
In some embodiments of the present invention, before identifying whether the electrical appliance is abnormal according to the reference value and the measured value of the current parameter in the current mode, the method further includes: and generating reference values of the current parameters in different working modes according to the measured values of the current parameters in different working modes when the electric appliance works for the first time. When the electric appliance is started in different working modes, different loads are started, and then measured values of the current parameters in different working modes can be obtained, namely different reference values can be obtained.
When the electric appliance works for the first time, the load normally runs and the running data is located in the standard range under the common condition, the measured value of the electric appliance during the first working is regarded as the reference value, the measured value of the electric appliance which does not run during the first working is compared with the reference value, namely the measured value of the electric appliance is compared with the standard value of the electric appliance running, and the scientific basis is met.
The electric appliance operates in the first working mode, the second working mode or the third working mode, the number of the current parameters is one or more, wherein under the condition that the number of the current parameters is one, the current parameters are as follows: a current slope difference, a current harmonic difference, or a current effective value, in the case where the number of current parameters is plural, the plural current parameters include: a current slope difference, a current harmonic difference, and a current effective value. The following include in a number of current parameters: the principle of identifying whether the load is in fault or whether the electrical appliance is abnormal according to the measured value and the reference value of the current parameter is specifically explained by taking a plurality of current slope differences, current harmonic differences and current effective values as examples:
because the current waveforms in normal operation are standard zigzag, and each waveform has better symmetry, the current slope difference, the current harmonic difference or the current effective value of the waveforms are relatively stable and consistent. If the additional load has a fault, the symmetry of the current waveform is damaged, the measured value of each current parameter changes, and if the change range exceeds a set threshold, the electric appliance sends out a warning to indicate that the electric appliance is abnormal or the additional load has a fault. This can make the user openly and direct know that electrical apparatus is unusual or install the load and break down additional, make the user in time maintain the additional load to ensure the normal operating of electrical apparatus.
Specifically, the determination of whether the additional load is in fault or whether the electrical appliance is abnormal or not through the deviation percentage between the measured value and the reference value of the current parameter can be realized in the following ways: and respectively calculating deviation percentages between the measured value and the reference value of the current slope difference, the current harmonic difference or the current effective value, and judging that the fault exists in the additionally-installed load or the electrical appliance is abnormal when one or more of the three deviation percentages exceed the set threshold according to the deviation percentages and the set threshold.
[ METHOD EXAMPLE 3 ]
In example 3, the method in fig. 1-2 is explained taking an air conditioner as an example:
the air conditioner automatically starts the following seven working modes in sequence when being started for the first time, and generates reference values of the current parameters in the seven working modes according to measured values in different working modes.
The first working mode is as follows: starting an indoor unit mainboard;
and a second working mode: starting an indoor unit mainboard and an indoor unit fan;
and a third working mode: starting an indoor unit mainboard, an indoor unit fan and an indoor unit auxiliary electric heater;
and a fourth working mode: starting an indoor unit main board and an outdoor unit main board;
and a fifth working mode: starting an indoor unit main board, an outdoor unit main board and an outdoor unit fan;
and a sixth working mode: starting an indoor unit main board, an outdoor unit fan and an indoor unit fan;
the working mode is seven: starting the indoor unit mainboard, the outdoor unit fan, the indoor unit fan and the compressor.
The air conditioner enters a first working mode, and the measured value of the current parameter of the air conditioner in the first working mode is compared with the reference value.
In one embodiment of the invention, the first working mode is set as a third working mode, the measured value of the current parameter of the air conditioner in the third working mode, namely the situation that the indoor unit mainboard, the indoor unit fan and the indoor unit auxiliary electric heater are started, is compared with the reference value, if the comparison result is different, the air conditioner is indicated to be abnormal in operation, and the air conditioner sends a prompt to remind a user;
the method comprises the steps that a user closes an additional load, in one embodiment of the invention, the additional load is an indoor unit auxiliary electric heater, the air conditioner enters a second working mode after the indoor unit auxiliary electric heater is closed, namely the working mode II in the embodiment of the invention, the measured value of the current parameter of the air conditioner in the working mode II, namely the measured value of the current parameter when an indoor unit mainboard and an indoor unit fan are started, is compared with a reference value, and if the comparison result is the same, the fact that the indoor unit auxiliary electric heater breaks down is indicated; if the comparison results are different, entering a third working mode;
the third working mode is the first working mode in the embodiment of the invention, the measured value of the current parameter when the user only starts the main board of the indoor unit is compared with the reference value, if the comparison result is the same, the fact that the fan of the indoor unit breaks down is indicated, and if the comparison result is different, the fact that the main board of the indoor unit breaks down is indicated.
Fig. 3 is a schematic flow chart of an electrical fault self-checking method provided in the embodiment of the present application.
Step S300: judging whether the electric appliance works for the first time; if the determination result is yes, the process proceeds to step S301, and if the determination result is no, the process proceeds to step S302;
step S301: acquiring current parameter reference values of the electric appliance in different modes, and returning to the step S300;
step S302: acquiring a current parameter measured value of the electric appliance in a current working mode;
step S303: comparing the measured value of the current parameter with a reference value;
step S304: judging whether the deviation percentage of the measured value and the reference value exceeds a set threshold value, if so, entering a step S305, and if not, entering a step S306;
step S305: a fault exists when a load is loaded;
step S306: the loading is turned off, and the process returns to step S302.
Firstly, judging whether the electric appliance works for the first time, and if the electric appliance works for the first time, acquiring current parameter reference values of the electric appliance in different working modes; if the current parameter is not in the first working mode, acquiring a current parameter measured value of the electric appliance in the current working mode, and comparing the measured value with a reference value in a corresponding mode, specifically, judging whether the deviation percentage of the measured value and the reference value exceeds a set threshold value, if so, indicating that the fault exists in the additional load; if the judgment result is negative, the additional load is judged to have no fault, the additional load is closed, the current parameter measured value of the electric appliance in the next working mode is obtained, the comparison with the reference value is continued, and the steps S302 to S306 are repeated until the additional load with the fault is judged.
Based on the same concept, an embodiment of the present application further provides a self-checking system, as shown in fig. 4, including:
the closing unit 400 is used for closing the additional load of the electric appliance in the first working mode under the condition that the abnormality of the electric appliance is identified so as to enable the electric appliance to enter the second working mode;
a determining unit 401, configured to determine, in response to the shutdown, whether the retrofit load has a fault according to a first reference value and a first measured value of the current parameter, where the first reference value and the first measured value correspond to the second operating mode.
The judging unit responds to the closing and judges whether the additional load has a fault or not according to a first reference value and a first measured value of the current parameter, wherein the first reference value and the first measured value correspond to the second working mode.
Based on the same concept, an embodiment of the present application further provides an electronic device, which includes a memory and a processor, where the memory stores a computer program that can be executed on the processor, and the processor implements the control method when executing the computer program.
Based on the same concept, an embodiment of the present application further provides an electronic device, as shown in fig. 5, the electronic device mainly includes: a processor 501, a communication interface 502, a memory 503 and a communication bus 504, wherein the processor 501, the communication interface 502 and the memory 503 are communicated with each other through the communication bus 504. The communication interface 502 is used for communication between the electronic device and other devices. The memory 503 stores a program executable by the processor 501, and the processor 501 executes the program stored in the memory 503 to realize the control method described above when executing a computer program.
The communication bus 504 mentioned in the above electronic device may be a Peripheral Component Interconnect (PCI) bus, an Extended Industry Standard Architecture (EISA) bus, or the like. The communication bus 504 may be divided into an address bus, a data bus, a control bus, etc. For ease of illustration, only one thick line is shown in FIG. 5, but this is not intended to represent only one bus or type of bus.
The memory 503 may include a Random Access Memory (RAM), or may also include a non-volatile memory (non-volatile memory), such as at least one disk memory. Optionally, the memory may also be at least one memory device located remotely from the processor.
The processor 501 may be a general-purpose processor, and includes a Central Processing Unit (CPU), a Network Processor (NP), and the like; the integrated circuit may also be a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other programmable logic device, discrete gate or transistor logic device, or discrete hardware components.
In yet another embodiment of the present application, there is also provided a computer readable medium having non-volatile program code executable by a processor, the program code causing the processor to execute the above-described control method.
In the above embodiments, the implementation may be wholly or partially realized by software, hardware, firmware, or any combination thereof. When implemented in software, may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When loaded and executed on a computer, cause the processes or functions according to the embodiments of the application to occur, in whole or in part. The computer may be a general purpose computer, a special purpose computer, a network of computers, or other programmable device. The computer instructions may be stored on a computer readable storage medium or transmitted from one computer readable storage medium to another, for example, from one website site, computer, server, or data center to another website site, computer, server, or data center via wire (e.g., coaxial cable, fiber optic, Digital Subscriber Line (DSL)) or wirelessly (e.g., infrared, microwave, etc.). The computer-readable storage medium can be any available medium that can be accessed by a computer or a data storage device, such as a server, a data center, etc., that includes one or more of the available media. The available media may be magnetic media (e.g., floppy disks, hard disks, tapes, etc.), optical media (e.g., DVDs), or semiconductor media (e.g., solid state drives), among others.
It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," 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 but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The foregoing are merely exemplary embodiments of the present invention, which enable those skilled in the art to understand or practice the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. A self-checking method is used for self-checking of electric appliance faults, and is characterized by comprising the following steps:
under the condition that the electrical appliance is identified to be abnormal, the additional load of the electrical appliance in the first working mode is closed, so that the electrical appliance enters the second working mode;
determining, in response to the shutdown, whether the top-up load has a fault based on a first reference value and a first measured value of a current parameter, wherein the first reference value and the first measured value correspond to the second operating mode;
wherein, before turning off the load of the appliance, the method further comprises:
and identifying whether the electrical appliance is abnormal or not according to a second reference value and a second measured value of the current parameter, wherein the second reference value and the second measured value correspond to the first working mode.
2. A self-test method according to claim 1,
under the condition that the additional load in the second working mode is judged to have no fault, the additional load in the second working mode is closed, so that the electric appliance enters a third working mode;
and in response to the shutdown, determining whether the load in the third operating mode has a fault according to a third reference value and a third measured value of the current parameter, wherein the third reference value and the third measured value correspond to the third operating mode.
3. The self-checking method according to claim 1, wherein before identifying whether the electrical appliance is abnormal according to the reference value and the measured value of the current parameter in the current mode, the method further comprises:
and generating reference values of the current parameter in different working modes according to the measured values of the current parameter in different working modes when the electric appliance works for the first time.
4. A self-test method as claimed in claim 1, wherein turning off the loading comprises:
receiving abnormal information of the electric appliance;
responding to the electrical appliance abnormal information, and generating additional load closing information;
and closing the additional load based on the additional load closing information.
5. A self-test method according to claim 1, wherein said current parameters comprise: one or more of a current slope difference, a current harmonic difference, a current effective value.
6. A self-test method as claimed in claim 5, wherein determining whether the retrofit load has a fault based on the first reference value and the first measured value of the current parameter comprises:
calculating a percentage deviation of the first measurement value from the first reference value;
and judging whether the loaded load has a fault or not according to the deviation percentage and a set threshold value.
7. The self-test method of claim 5, wherein determining whether the appliance has an abnormality based on the second reference value and the second measured value of the current parameter comprises:
calculating a percent deviation of the second measurement value from the second reference value;
and judging whether the electrical appliance is abnormal or not according to the deviation percentage and a set threshold value.
8. The self-test method of claim 2, wherein determining whether the load in the third operating mode is faulty based on a third reference value and a third measured value of the current parameter comprises:
calculating a percent deviation of the third measurement value from the third reference value;
and judging whether the load added in the third working mode has a fault or not according to the deviation percentage and a set threshold value.
9. The utility model provides a self-checking system for electrical apparatus trouble self-checking which characterized in that includes:
the closing unit is used for closing the additional load of the electric appliance in the first working mode under the condition that the abnormality of the electric appliance is identified so as to enable the electric appliance to enter a second working mode;
a determination unit for determining whether the retrofit load has a fault based on a first reference value and a first measured value of a current parameter in response to the shutdown, wherein the first reference value and the first measured value correspond to the second operating mode;
wherein the closing unit is further configured to:
and identifying whether the electrical appliance is abnormal or not according to a second reference value and a second measured value of the current parameter, wherein the second reference value and the second measured value correspond to the first working mode.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102705954B (en) * | 2011-07-28 | 2014-09-03 | 宁波奥克斯电气有限公司 | Internet-based automatic fault repair and detection method of frequency-conversion air conditioner |
| CN104566838B (en) * | 2015-02-02 | 2017-11-14 | 珠海格力电器股份有限公司 | The fault detection method and device of air conditioner |
| CN106016582B (en) * | 2016-05-16 | 2018-11-30 | 珠海格力电器股份有限公司 | Air-conditioning fault self-detection method, self-test tooling and air-conditioning fault self-checking device |
| CN105972767B (en) * | 2016-05-26 | 2019-04-05 | 珠海格力电器股份有限公司 | Air conditioner fault diagnostic method and device |
| CN106093704B (en) * | 2016-06-15 | 2019-01-22 | 国网江苏省电力公司电力科学研究院 | A kind of monitoring of power grid stealing user and localization method and system |
| CN107992017A (en) * | 2017-10-13 | 2018-05-04 | 珠海格力电器股份有限公司 | Controller failure self checking method, device, storage medium, controller and equipment |
| CN108088051A (en) * | 2017-12-01 | 2018-05-29 | 芜湖美智空调设备有限公司 | Fault detection method, air conditioner and the storage medium of cooler compressor |
| CN108052010B (en) * | 2017-12-04 | 2021-06-11 | 海尔优家智能科技（北京）有限公司 | Intelligent electric appliance self-adjusting method and device, computer equipment and storage medium |
| CN108153611B (en) * | 2018-01-10 | 2021-02-23 | 芜湖美的厨卫电器制造有限公司 | Fault self-checking method, fault self-checking device, microcontroller and readable storage medium |
| CN207832879U (en) * | 2018-02-11 | 2018-09-07 | 广州市超凯贸易有限公司 | A kind of equipment fault selftest module of air treatment system |
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