CN115388518A - Fault early warning method and device for air conditioner, air conditioner and storage medium - Google Patents

Fault early warning method and device for air conditioner, air conditioner and storage medium Download PDF

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Publication number
CN115388518A
CN115388518A CN202211029875.5A CN202211029875A CN115388518A CN 115388518 A CN115388518 A CN 115388518A CN 202211029875 A CN202211029875 A CN 202211029875A CN 115388518 A CN115388518 A CN 115388518A
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China
Prior art keywords
air conditioner
fan
cylindricity
early warning
fault
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CN202211029875.5A
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Chinese (zh)
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蔡泽瑶
荆涛
马振豪
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Qingdao Haier Air Conditioner Gen Corp Ltd
Qingdao Haier Air Conditioning Electric Co Ltd
Haier Smart Home Co Ltd
Original Assignee
Qingdao Haier Air Conditioner Gen Corp Ltd
Qingdao Haier Air Conditioning Electric Co Ltd
Haier Smart Home Co Ltd
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Priority to CN202211029875.5A priority Critical patent/CN115388518A/en
Publication of CN115388518A publication Critical patent/CN115388518A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/32—Responding to malfunctions or emergencies
    • F24F11/38—Failure diagnosis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/52—Indication arrangements, e.g. displays
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/52—Indication arrangements, e.g. displays
    • F24F11/526—Indication arrangements, e.g. displays giving audible indications
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/64—Electronic processing using pre-stored data
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2140/00—Control inputs relating to system states
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Mathematical Physics (AREA)
  • Fuzzy Systems (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

The application relates to the technical field of intelligent household appliances and discloses a fault early warning method for an air conditioner. The air conditioner is provided with a rotation monitoring device, and the rotation monitoring device is used for detecting the running condition of a fan in the outdoor unit of the air conditioner; the method comprises the steps of obtaining operation detection information of a fan by a rotation monitoring device; and generating fault early warning information under the condition that the operation detection information indicates that the fan has abnormal rotation in the operation. According to the method and the device, the rotation monitoring device is configured for the air conditioner, the operation condition of the fan of the outdoor unit of the air conditioner is monitored, and the fault early warning information is generated in time under the condition that the fan is found to be abnormal in rotation, so that the air conditioner prompts a user based on the fault early warning information; therefore, fault early warning based on the fan fault of the air conditioner outdoor unit is realized, the problem that the fan of the air conditioner outdoor unit breaks down and a user does not perceive potential safety hazards is avoided, and the safety of the air conditioner is improved. The application also discloses a fault early warning device for the air conditioner, the air conditioner and a storage medium.

Description

Fault early warning method and device for air conditioner, air conditioner and storage medium
Technical Field
The application relates to the technical field of intelligent household appliances, for example, to a fault early warning method and device for an air conditioner, the air conditioner and a storage medium.
Background
In recent years, as the living standard of people is improved, the requirement for the comfort level of the indoor environment is higher and higher. In order to improve the comfort of the indoor environment, an air conditioner is generally installed in a home to adjust the indoor environment temperature. Generally, an air conditioner includes an air conditioner indoor unit and an air conditioner outdoor unit, and an indoor heat exchanger, a fan, and the like are disposed in the air conditioner indoor unit; the compressor, the outdoor heat exchanger, the refrigerant pipeline, the electric control circuit and the like are installed in the air conditioner outdoor unit, the air conditioner outdoor unit is installed outdoors in the using process, and the possibility that the compressor, the circuit pipeline and the like are influenced by the outdoor environment to break down is high. For example, when a fan installed in an outdoor unit of an air conditioner is out of order, a user may close a door or a window when using the air conditioner, and the user may not notice the failure of the fan even if the failure of the fan generates noise.
If the air conditioner continuously operates under the condition that the fan breaks down, the vibration phenomenon of an outdoor unit of the air conditioner can be caused, and more serious potential safety hazards such as refrigerant leakage and electric control circuit damage can be caused. Therefore, how to capture whether the outdoor unit of the air conditioner fails and send out a failure early warning to a user in time through the air conditioner becomes an important problem to be solved urgently by those skilled in the art.
Disclosure of Invention
The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview and is intended to neither identify key/critical elements nor delineate the scope of such embodiments, but is intended to be a prelude to the more detailed description that is presented later.
The embodiment of the disclosure provides a fault early warning method and device for an air conditioner, the air conditioner and a storage medium, so as to realize fault early warning based on a fan fault of an air conditioner outdoor unit, effectively avoid potential safety hazards caused by the fact that the fan in the air conditioner outdoor unit is in fault and a user does not perceive the fault, and further improve the safety of the user in using the air conditioner.
In some embodiments, the fault early warning method for the air conditioner is provided with a rotation monitoring device, wherein the rotation monitoring device is used for detecting the operating condition of a fan in an outdoor unit of the air conditioner; the fault early warning method for the air conditioner comprises the following steps: acquiring operation detection information of a rotation monitoring device on a fan; and generating fault early warning information under the condition that the operation detection information indicates that the fan has abnormal rotation in the operation.
In some embodiments, the operation detection information of the fan includes cylindricity data of the fan; whether the fan has abnormal rotation in the running process is judged in the following mode: determining that the fan has abnormal rotation in the running process under the condition that the cylindricity data accords with the abnormal rotation condition; and under the condition that the cylindricity data does not accord with the abnormal rotation condition, determining that the fan does not have abnormal rotation in the running process.
In some embodiments, the cylindricity data comprises a plurality of consecutively acquired cylindricity values; judging whether the cylindricity data meets the abnormal rotation condition or not by the following method: and under the condition that the cylindricity values are all larger than a preset threshold value, determining that the cylindricity data meet the abnormal rotation condition.
In some embodiments, determining whether the cylindricity data meets the rotation anomaly condition is performed by: acquiring specification information of a fan; determining a cylindricity reference threshold corresponding to the fan according to the specification information; and under the condition that the cylindricity data is greater than the cylindricity reference threshold, determining that the cylindricity data meets the abnormal rotation condition.
In some embodiments, determining the reference cylindricity threshold corresponding to the wind turbine according to the specification information includes: acquiring a fan information base, wherein the fan information base stores a plurality of specifications of fans and initial cylindricity measured in test operation of fans of different specifications when the fans leave a factory; determining the initial cylindricity corresponding to the specification information from a fan information base; and determining a cylindricity reference threshold of the fan according to the initial cylindricity.
In some embodiments, in the case that it is determined that there is a rotational abnormality in the operation of the wind turbine, the fault early warning method further includes: controlling the air conditioner to stop running and keeping the preset interval duration; controlling the fan to rotate reversely, and obtaining the cylindricity data of the fan again; and generating fault early warning information under the condition that the newly acquired cylindrical data still meets the abnormal rotation condition.
In some embodiments, after generating the fault pre-warning information, the fault pre-warning method further includes: controlling a display module of the air conditioner to display a fault code corresponding to the fault early warning information; or controlling a voice module of the air conditioner to send out voice prompt containing fault early warning information.
In some embodiments, the fault pre-warning apparatus for an air conditioner includes a processor and a memory storing program instructions, wherein the processor executes the program instructions to perform the fault pre-warning method for an air conditioner.
In some embodiments, the air conditioner includes a fault warning device for an air conditioner as described above.
In some embodiments, the storage medium stores program instructions that, when executed, perform the fault pre-warning method for an air conditioner as described above.
The fault early warning method and device for the air conditioner, the air conditioner and the storage medium provided by the embodiment of the disclosure can realize the following technical effects:
the air conditioner is provided with the rotation monitoring device, the running condition of a fan of the air conditioner outdoor unit is monitored, and the fault early warning information is generated in time under the condition that the fan is found to be abnormal in rotation, so that the air conditioner prompts a user based on the fault early warning information. Therefore, the air conditioner can effectively capture whether the fan in the air conditioner outdoor unit is abnormal in rotation or not, and timely generate fault early warning information when the fan is abnormal in rotation, so that the air conditioner can prompt a user in time, fault early warning based on the fan fault of the air conditioner outdoor unit is realized, the problem that the fan in the air conditioner outdoor unit is failed and the user does not perceive potential safety hazards caused is effectively avoided, and the safety of the user in using the air conditioner is improved.
The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.
Drawings
One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the accompanying drawings and not in limitation thereof, in which elements having the same reference numeral designations are shown as like elements and not in limitation thereof, and wherein:
fig. 1 is a schematic diagram of a fault warning method for an air conditioner according to an embodiment of the present disclosure;
fig. 2 is a schematic diagram of another fault warning method for an air conditioner according to an embodiment of the present disclosure;
fig. 3 is a schematic diagram of another fault early warning method for an air conditioner according to an embodiment of the present disclosure;
fig. 4 is a schematic diagram of another fault warning method for an air conditioner according to an embodiment of the present disclosure;
fig. 5 is a schematic diagram of another fault warning method for an air conditioner according to an embodiment of the present disclosure;
fig. 6 is a schematic diagram of a fault warning device for an air conditioner according to an embodiment of the present disclosure.
Detailed Description
So that the manner in which the features and elements of the disclosed embodiments can be understood in detail, a more particular description of the disclosed embodiments, briefly summarized above, may be had by reference to the embodiments, some of which are illustrated in the appended drawings. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may be practiced without these details. In other instances, well-known structures and devices may be shown in simplified form in order to simplify the drawing.
The terms "first," "second," and the like in the description and in the claims, and the above-described drawings of embodiments of the present disclosure, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged as appropriate for the embodiments of the disclosure described herein. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.
The term "plurality" means two or more unless otherwise specified.
In the embodiment of the present disclosure, the character "/" indicates that the preceding and following objects are in an or relationship. For example, A/B represents: a or B.
The term "and/or" is an associative relationship that describes objects, meaning that three relationships may exist. For example, a and/or B, represents: a or B, or A and B.
The term "correspond" may refer to an association or binding relationship, and a corresponds to B refers to an association or binding relationship between a and B.
In the embodiment of the disclosure, the intelligent household appliance is a household appliance formed by introducing a microprocessor, a sensor technology and a network communication technology into the household appliance, and has the characteristics of intelligent control, intelligent sensing and intelligent application, the operation process of the intelligent household appliance usually depends on the application and processing of modern technologies such as internet of things, internet and an electronic chip, for example, the intelligent household appliance can realize remote control and management of a user on the intelligent household appliance by connecting the intelligent household appliance with the electronic device.
In the embodiment of the present disclosure, the terminal device is an electronic device with a wireless connection function, and the terminal device may be in communication connection with the above intelligent household appliance by connecting to the internet, or may be in communication connection with the above intelligent household appliance directly by means of bluetooth, wifi, and the like. In some embodiments, the terminal device is, for example, a mobile device, a computer, or a vehicle-mounted device built in a floating car, or any combination thereof. The mobile device may include, for example, a cell phone, a smart home device, a wearable device, a smart mobile device, a virtual reality device, or the like, or any combination thereof, wherein the wearable device includes, for example: smart watches, smart bracelets, pedometers, and the like.
The embodiment of the disclosure provides an air conditioner, which is provided with a rotation monitoring device used for detecting the operation condition of a fan in an outdoor unit of the air conditioner. Alternatively, the rotation monitoring device may acquire cylindricity data of the fan, so that the air conditioner determines whether the fan has abnormal rotation based on the acquired cylindricity data.
The fault early warning method for the air conditioner provided by the embodiment of the disclosure comprises the following steps: acquiring operation detection information of a rotation monitoring device on a fan; and generating fault early warning information under the condition that the operation detection information indicates that the fan has abnormal rotation in the operation.
Optionally, the executing body for executing the steps may be a control module of an air conditioner; specifically, a control module of the air conditioner acquires operation detection information of a fan by a rotation monitoring device; and the control module of the air conditioner generates fault early warning information under the condition that the operation detection information shows that the fan has abnormal rotation in the operation. The air conditioner can push the fault early warning information to a user, fault early warning based on fan faults of the air conditioner outdoor unit is achieved, potential safety hazards caused by the fact that the fan in the air conditioner outdoor unit breaks down and the user does not perceive the potential safety hazards are effectively avoided, and therefore safety of the user in using the air conditioner is improved.
In the embodiment of the present disclosure, the fan in the outdoor unit of the air conditioner may be an axial flow fan, and the outdoor unit of the air conditioner in the embodiment of the present disclosure takes the installed axial flow fan as an example, and other types of fans may also be optionally installed in other embodiments of the present disclosure, which is not limited specifically herein.
Based on the related structural design of the air conditioner, the embodiment of the disclosure provides a fault early warning method for the air conditioner. As shown in fig. 1, the fault early warning method for an air conditioner includes:
s01, acquiring running detection information of the fan by the rotation monitoring device;
and S02, generating fault early warning information under the condition that the operation detection information shows that the fan has abnormal rotation in the operation.
By adopting the fault early warning method for the air conditioner, the air conditioner is provided with the rotation monitoring device, the running condition of the fan of the outdoor unit of the air conditioner is monitored, and the fault early warning information is generated in time under the condition that the fan is found to be abnormal in rotation, so that the air conditioner prompts a user based on the fault early warning information. Therefore, the air conditioner can effectively capture whether the fan in the air conditioner outdoor unit is abnormal in rotation or not, and timely generate fault early warning information when the fan is abnormal in rotation, so that the air conditioner can prompt a user in time, fault early warning based on the fan fault of the air conditioner outdoor unit is realized, the problem that the fan in the air conditioner outdoor unit is failed and the user does not perceive potential safety hazards caused is effectively avoided, and the safety of the user in using the air conditioner is improved.
Optionally, before obtaining the operation detection information of the rotation monitoring device on the wind turbine, the fault early warning method may further include: and detecting whether the air conditioner outdoor unit is in a working state. Specifically, when the outdoor unit of the air conditioner is in a working state, the operation detection information of the fan by the rotation monitoring device is acquired. Because air condensing units is in operating condition, the fan of its installation also can be in operating condition, and the cylindricality data of fan need detect when this fan is in operating condition.
Optionally, the operation detection information of the fan includes cylindricity data of the fan; whether the fan has abnormal rotation in the running process is judged in the following mode: determining that the fan has abnormal rotation in the running process under the condition that the cylindricity data accords with the abnormal rotation condition; and under the condition that the cylindricity data does not accord with the abnormal rotation condition, determining that the fan does not have abnormal rotation in the running process.
Therefore, whether the rotation of the air outlet machine is abnormal or not can be analyzed through the cylindricity data of the fan detected by the rotation monitoring device, so that the follow-up abnormal rotation condition of the air conditioner based on the fan generates fault early warning information. Therefore, the air conditioner can prompt a user based on the fault early warning information, fault early warning based on the fan fault of the air conditioner outdoor unit is realized, the problem that the fan in the air conditioner outdoor unit breaks down and the user does not perceive potential safety hazards is effectively avoided, and accordingly the safety of the user in using the air conditioner is improved.
Optionally, the cylindricity data includes cylindricity values obtained a plurality of times in succession; judging whether the cylindricity data meets the abnormal rotation condition or not by the following method: and under the condition that the cylindricity values are all larger than a preset threshold value, determining that the cylindricity data meet the abnormal rotation condition.
Therefore, the judgment precision of whether the cylindrical data meet the abnormal rotation condition or not can be improved, so that the air conditioner generates the fault early warning information which is more consistent with the current abnormal rotation condition of the fan, the air conditioner can push the fault early warning information to a user, the fault early warning based on the fan fault of the air conditioner outdoor unit is realized, the problem that the fan in the air conditioner outdoor unit breaks down and the user does not perceive potential safety hazards caused is effectively avoided, and the safety of the user using the air conditioner is improved.
Referring to fig. 2, an embodiment of the present disclosure provides another fault early warning method for an air conditioner, including:
s11, determining that the cylindricity data meet abnormal rotation conditions under the condition that the cylindricity values are all larger than a preset threshold value.
S12, determining that the fan has abnormal rotation in the running process.
By adopting the fault early warning method for the air conditioner, the air conditioner calculates and averages the cylindricity data detected for many times, so that the judgment precision of whether the cylindricity data meet abnormal rotation conditions or not is improved, the fault early warning information generated by the air conditioner is more consistent with the current abnormal rotation condition of the fan, the fault early warning information can be pushed to a user by the air conditioner, the fault early warning based on the fan fault of the air conditioner outdoor unit is realized, the potential safety hazard caused by the fact that the fan in the air conditioner outdoor unit breaks down and the user does not perceive the potential safety hazard is effectively avoided, and the safety of the user using the air conditioner is improved.
Optionally, whether the cylindricity data meets the abnormal rotation condition is judged by the following method: acquiring specification information of a fan; determining a cylindricity reference threshold corresponding to the fan according to the specification information; and under the condition that the cylindricity data is greater than the cylindricity reference threshold, determining that the cylindricity data accords with the abnormal rotation condition.
Referring to fig. 3, an embodiment of the present disclosure provides another fault early warning method for an air conditioner, including:
and S21, acquiring the specification information of the fan.
And S22, determining a cylindricity reference threshold corresponding to the fan according to the specification information.
And S23, determining that the cylindricity data meets abnormal rotation conditions under the condition that the cylindricity data is greater than the cylindricity reference threshold.
By adopting the fault early warning method for the air conditioner, the air conditioner increases the determination factor of the cylindricity reference threshold value for determining whether the cylindricity data meets the abnormal rotation condition or not by increasing the detection of the specification information of the fan, so that the determined cylindricity reference threshold value better meets the actual condition of the fan operation, and the fault early warning information determined by the air conditioner better meets the abnormal rotation state of the fan. The method and the device can effectively improve the judgment precision of whether the cylindricity data of the air conditioner accords with the abnormal rotation condition or not, so that the fault early warning information generated by the air conditioner accords with the current abnormal rotation condition of the fan, the air conditioner can push the fault early warning information to a user, the fault early warning based on the fan fault of the air conditioner outdoor unit is realized, the problem that the fan of the air conditioner outdoor unit breaks down and the user does not perceive potential safety hazards caused is effectively avoided, and the safety of the user in using the air conditioner is improved.
Optionally, determining a cylindricity reference threshold corresponding to the fan according to the specification information includes: acquiring a fan information base, wherein the fan information base stores a plurality of specifications of fans and initial cylindricity measured in test operation of fans of different specifications when the fans leave a factory; determining the initial cylindricity corresponding to the specification information from a fan information base; and determining a cylindricity reference threshold of the fan according to the initial cylindricity.
Referring to fig. 4, an embodiment of the present disclosure provides another fault early warning method for an air conditioner, including:
s31, obtaining a fan information base, wherein the fan information base stores a plurality of specifications of fans and initial cylindricity measured in test operation of the fans with different specifications when the fans leave a factory.
And S32, determining the initial cylindricity corresponding to the specification information of the fan from the fan information base.
And S33, determining a cylindricity reference threshold of the fan according to the initial cylindricity.
By adopting the fault early warning method for the air conditioner, the air conditioner increases the determination factor of the cylindricity reference threshold value for determining whether the cylindricity data meets the abnormal rotation condition or not by increasing the detection of the specification information of the fan, so that the determined cylindricity reference threshold value better meets the actual condition of the fan operation, and the fault early warning information determined by the air conditioner better meets the abnormal rotation state of the fan. The method and the device can effectively improve the judgment precision of whether the cylindricity data of the air conditioner accords with the abnormal rotation condition or not, so that the fault early warning information generated by the air conditioner accords with the current abnormal rotation condition of the fan, the air conditioner can push the fault early warning information to a user, the fault early warning based on the fan fault of the air conditioner outdoor unit is realized, the problem that the fan of the air conditioner outdoor unit breaks down and the user does not perceive potential safety hazards caused is effectively avoided, and the safety of the user in using the air conditioner is improved.
In some embodiments, generating the fault warning information specifically includes: determining the fault type of the fan; determining an abnormal troubleshooting strategy for the fan according to the fault type; and determining fault early warning information based on the abnormal troubleshooting strategy. Optionally, determining an abnormal troubleshooting strategy for the wind turbine according to the fault type may include: acquiring a fault information base, wherein the fault information base stores multiple fault types of a fan and a first corresponding relation between the fault types and an abnormal troubleshooting strategy; and determining an abnormal troubleshooting strategy corresponding to the fault type of the fan according to the first corresponding relation in the fault information base.
Optionally, determining the fault type of the wind turbine includes: and determining the fault type of the fan according to the cylindricity data of the fan. Specifically, determining the fault type of the fan according to the cylindricity data of the fan may include: determining a monitoring waveform of cylindricity data; analyzing the monitoring waveform of the cylindricity data to obtain characteristic information of the cylindricity data; and determining the fault type of the fan according to the characteristic information of the cylindricity data.
Further, according to the feature information of the cylindricity data, determining the fault type of the fan, and determining an abnormal troubleshooting strategy for the fan based on the fault type, the method comprises the following steps: under the condition that the characteristic information indicates that the fan rotates unevenly, determining an abnormal checking strategy of the fan to check whether the fan is dirty or not; under the condition that the characteristic information indicates that the rotation of the fan is not smooth, determining an abnormal inspection strategy of the fan to be adding a lubricant to a motor of the fan; and under the condition that the characteristic information indicates that the rotation of the fan is discontinuous, determining that the abnormal troubleshooting strategy of the fan is to replace a motor coil of the fan.
Optionally, determining the fault early warning information based on the abnormal troubleshooting strategy may include: acquiring a fault information base, wherein the fault information base stores a second corresponding relation between an abnormal troubleshooting strategy and fault early warning information; and determining fault early warning information corresponding to the abnormal troubleshooting strategy according to the second corresponding relation in the fault information base.
In this way, the air conditioner detects the cylindricity data of the fan, determines the fault type of the fan according to the cylindricity data of the fan, determines an abnormal troubleshooting strategy for the fan based on the fault type, and determines fault early warning information according to the abnormal troubleshooting strategy, so that the air conditioner reminds a user to perform fault troubleshooting based on the determined abnormal troubleshooting strategy; therefore, the air conditioner can effectively capture whether the fan in the air conditioner outdoor unit is abnormal in rotation or not, and timely generate a corresponding abnormal investigation strategy when the abnormal rotation occurs, so that a user can select a corresponding mode by referring to the abnormal investigation strategy.
Optionally, in a case that it is determined that the rotation abnormality of the wind turbine is present during the operation, the fault early warning method further includes: controlling the air conditioner to stop running and keeping the preset interval duration; controlling the fan to rotate reversely, and acquiring cylindricity data of the fan again; and generating fault early warning information under the condition that the newly acquired cylindrical data still meets the abnormal rotation condition.
Optionally, after controlling the air conditioner to stop operating and maintaining the preset interval duration, the fault early warning method may further include: controlling the fan to restart and operate, and acquiring the cylindricity data of the fan again; and after the acquisition, controlling the air conditioner to stop running again and keeping the preset interval duration, so as to repeatedly execute the operation for multiple times. And carrying out average value calculation on the cylindricity data obtained for multiple times to obtain the cylindricity data for carrying out exception checking. And generating fault early warning information under the condition that the cylindricity data accords with abnormal rotation conditions.
In the embodiment of the present disclosure, the preset interval duration is used to represent an interval duration for controlling the air conditioner to stop operating and wait, where the preset interval duration may be preset by leaving a factory, or may be manually set by an air conditioner installation or maintenance worker. Specifically, the preset interval time may be selected from a range of 8-12 minutes, for example, the preset interval time may be 10 minutes.
Referring to fig. 5, an embodiment of the present disclosure provides another fault early warning method for an air conditioner, including:
s41, under the condition that the fan is determined to have abnormal rotation in the running process, controlling the air conditioner to stop running and keeping the preset interval duration.
And S42, controlling the fan to rotate reversely, and acquiring the cylindricity data of the fan again.
And S43, generating fault early warning information under the condition that the newly acquired cylindrical degree data still accord with abnormal rotation conditions.
By adopting the fault early warning method for the air conditioner, the air conditioner increases the abnormal check operation of the reverse rotation or average value calculation of the fan under the condition that the cylindricity data is determined to be in accordance with the abnormal rotation condition, and generates the fault early warning information under the condition that the abnormal rotation of the fan is determined again, so that the fault early warning information is more in accordance with the actual condition of the fan operation.
In some embodiments, after generating the fault pre-warning information, the fault pre-warning method further includes: controlling a display module of the air conditioner to display a fault code corresponding to the fault early warning information; or controlling a voice module of the air conditioner to send out voice prompt containing fault early warning information.
Therefore, the fault information generated by the user is reminded in a mode of displaying the fault code or sending a voice prompt, so that the user can timely know that the fan of the air conditioner outdoor unit is in fault, and potential safety hazards such as refrigerant leakage and electric control circuit damage caused by continuous operation of the fault fan are avoided. The air conditioner effectively solves the problem that a fan in an air conditioner outdoor unit is out of order and is not easy to be perceived by a user by executing the control method, and therefore the safety of the user in using the air conditioner is effectively improved.
As shown in fig. 6, an embodiment of the present disclosure provides a fault warning device for an air conditioner, which includes a processor (processor) 100 and a memory (memory) 101. Optionally, the apparatus may also include a Communication Interface (Communication Interface) 102 and a bus 103. The processor 100, the communication interface 102, and the memory 101 may communicate with each other via a bus 103. The communication interface 102 may be used for information transfer. The processor 100 may call logic instructions in the memory 101 to perform the fault early warning method for an air conditioner of the above-described embodiment.
In addition, the logic instructions in the memory 101 may be implemented in the form of software functional units and stored in a computer readable storage medium when the logic instructions are sold or used as independent products.
The memory 101, which is a computer-readable storage medium, may be used for storing software programs, computer-executable programs, such as program instructions/modules corresponding to the methods in the embodiments of the present disclosure. The processor 100 executes functional applications and data processing by executing program instructions/modules stored in the memory 101, that is, implements the fault early warning method for the air conditioner in the above-described embodiments.
The memory 101 may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created according to the use of the terminal device, and the like. In addition, memory 101 may include high speed random access memory and may also include non-volatile memory.
The embodiment of the disclosure provides an air conditioner, which comprises the fault early warning device for the air conditioner.
By adopting the air conditioner provided by the embodiment of the disclosure, the rotation monitoring device is configured, the running condition of the fan of the outdoor unit of the air conditioner is monitored, and the fault early warning information is generated in time under the condition that the fan is found to have abnormal rotation, so that the air conditioner prompts a user based on the fault early warning information. Therefore, the air conditioner can effectively capture whether the fan in the air conditioner outdoor unit is abnormal in rotation or not, and timely generate fault early warning information when the fan is abnormal in rotation, so that the air conditioner can prompt a user in time, fault early warning based on the fan fault of the air conditioner outdoor unit is realized, the problem that the fan in the air conditioner outdoor unit is failed and the user does not perceive potential safety hazards caused is effectively avoided, and the safety of the user in using the air conditioner is improved.
The disclosed embodiments provide a computer-readable storage medium storing computer-executable instructions configured to perform the above-described fault early warning method for an air conditioner.
An embodiment of the present disclosure provides a computer program product including a computer program stored on a computer-readable storage medium, the computer program including program instructions that, when executed by a computer, cause the computer to perform the above-described fault pre-warning method for an air conditioner.
The computer-readable storage medium described above may be a transitory computer-readable storage medium or a non-transitory computer-readable storage medium.
The technical solution of the embodiments of the present disclosure may be embodied in the form of a software product, which is stored in a storage medium and includes one or more instructions for enabling a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present disclosure. And the aforementioned storage medium may be a non-transitory storage medium comprising: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes, and may also be a transient storage medium.
The above description and the drawings sufficiently illustrate embodiments of the disclosure to enable those skilled in the art to practice them. Other embodiments may incorporate structural, logical, electrical, process, and other changes. The examples merely typify possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in or substituted for those of others. Furthermore, the words used in the specification are words of description only and are not intended to limit the claims. As used in the description of the embodiments and the claims, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. Similarly, the term "and/or" as used in this application is meant to encompass any and all possible combinations of one or more of the associated listed. Furthermore, the terms "comprises" and/or "comprising," when used in this application, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. Without further limitation, an element defined by the phrase "comprising a" \8230; "does not exclude the presence of additional like elements in a process, method or apparatus comprising the element. In this document, each embodiment may be described with emphasis on differences from other embodiments, and the same and similar parts between the respective embodiments may be referred to each other. For methods, products, etc. of the embodiment disclosures, reference may be made to the description of the method section for relevance if it corresponds to the method section of the embodiment disclosure.
Those of skill in the art would appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software may depend upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the disclosed embodiments. It can be clearly understood by the skilled person that, for convenience and brevity of description, the specific working processes of the system, the apparatus and the unit described above may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the embodiments disclosed herein, the disclosed methods, products (including but not limited to devices, apparatuses, etc.) may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units may be merely a logical division, and in actual implementation, there may be another division, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form. The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one position, or may be distributed on multiple network units. Some or all of the units can be selected according to actual needs to implement the present embodiment. In addition, functional units in the embodiments of the present disclosure may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to embodiments of the present disclosure. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). In some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. In the description corresponding to the flowcharts and block diagrams in the figures, operations or steps corresponding to different blocks may also occur in different orders than disclosed in the description, and sometimes there is no specific order between different operations or steps. For example, two sequential operations or steps may in fact be executed substantially concurrently, or they may sometimes be executed in the reverse order, depending upon the functionality involved. Each block of the block diagrams and/or flowchart illustrations, and combinations of blocks in the block diagrams and/or flowchart illustrations, can be implemented by special purpose hardware-based systems that perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.

Claims (10)

1. A fault early warning method for an air conditioner is characterized in that the air conditioner is provided with a rotation monitoring device, and the rotation monitoring device is used for detecting the operation condition of a fan in an outdoor unit of the air conditioner;
the fault early warning method comprises the following steps:
acquiring operation detection information of the fan by the rotation monitoring device;
and generating fault early warning information under the condition that the operation detection information indicates that the fan has abnormal rotation in the operation.
2. The fault pre-warning method according to claim 1, wherein the operation detection information of the fan includes cylindricity data of the fan;
judging whether the fan has abnormal rotation in the running process or not by the following method:
determining that the fan has abnormal rotation in the running process under the condition that the cylindricity data accords with the abnormal rotation condition;
and under the condition that the cylindricity data does not accord with the abnormal rotation condition, determining that the fan does not have abnormal rotation in the running process.
3. The fault pre-warning method according to claim 2, wherein the cylindricity data includes cylindricity values obtained a plurality of times in succession;
judging whether the cylindricity data meets the abnormal rotation condition or not by the following method:
and under the condition that the cylindricity values are all larger than a preset threshold value, determining that the cylindricity data meet abnormal rotation conditions.
4. The fault pre-warning method according to claim 2, wherein whether the cylindricity data meets the abnormal rotation condition is judged by the following method:
acquiring specification information of the fan;
determining a cylindricity reference threshold corresponding to the fan according to the specification information;
and under the condition that the cylindricity data is greater than the cylindricity reference threshold, determining that the cylindricity data meets the abnormal rotation condition.
5. The fault pre-warning method according to claim 4, wherein the determining the cylindricity reference threshold corresponding to the fan according to the specification information comprises:
acquiring a fan information base, wherein the fan information base stores a plurality of specifications of fans and initial cylindricity measured in test operation of fans with different specifications when the fans leave a factory;
determining the initial cylindricity corresponding to the specification information from the fan information base;
and determining a cylindricity reference threshold of the fan according to the initial cylindricity.
6. The fault pre-warning method according to claim 2, wherein in a case where it is determined that the fan has abnormal rotation in operation, the fault pre-warning method further comprises:
controlling the air conditioner to stop running and keeping a preset interval duration;
controlling the fan to rotate reversely, and acquiring cylindricity data of the fan again;
and generating fault early warning information under the condition that the newly acquired cylindrical data still meets the abnormal rotation condition.
7. The fault early warning method according to any one of claims 1 to 6, wherein after the fault early warning information is generated, the fault early warning method further comprises:
controlling a display module of the air conditioner to display a fault code corresponding to the fault early warning information; alternatively, the first and second electrodes may be,
and controlling a voice module of the air conditioner to send out a voice prompt containing the fault early warning information.
8. A fault early warning device for an air conditioner, comprising a processor and a memory storing program instructions, characterized in that the processor is configured to execute the fault early warning method for an air conditioner according to any one of claims 1 to 7 when executing the program instructions.
9. An air conditioner characterized by comprising a rotation monitoring device and the malfunction alerting device for an air conditioner as claimed in claim 8.
10. A storage medium storing program instructions, wherein the program instructions, when executed, perform the fault pre-warning method for an air conditioner according to any one of claims 1 to 7.
CN202211029875.5A 2022-08-25 2022-08-25 Fault early warning method and device for air conditioner, air conditioner and storage medium Pending CN115388518A (en)

Priority Applications (1)

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CN202211029875.5A CN115388518A (en) 2022-08-25 2022-08-25 Fault early warning method and device for air conditioner, air conditioner and storage medium

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Application Number Priority Date Filing Date Title
CN202211029875.5A CN115388518A (en) 2022-08-25 2022-08-25 Fault early warning method and device for air conditioner, air conditioner and storage medium

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