CN105137251B - Air conditioner and fault detection method, device and system thereof - Google Patents

Air conditioner and fault detection method, device and system thereof Download PDF

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Publication number
CN105137251B
CN105137251B CN201510650826.7A CN201510650826A CN105137251B CN 105137251 B CN105137251 B CN 105137251B CN 201510650826 A CN201510650826 A CN 201510650826A CN 105137251 B CN105137251 B CN 105137251B
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parameter
air conditioner
voltage value
compressor
detecting
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CN105137251A (en
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王文灿
孙方华
廖哲永
唐杰
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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Abstract

The invention discloses an air conditioner and a fault detection method, device and system thereof. Wherein, the method comprises the following steps: acquiring a first parameter and a second parameter, wherein the first parameter is a power grid parameter of a power grid to which an air conditioner is accessed, and the second parameter is an operation parameter of the air conditioner; detecting whether a compressor of the air conditioner starts a protection action or not, wherein the protection action of the compressor is used as an action of cutting off a power supply of the compressor; and under the condition that the starting protection action of the compressor is detected, sending the first parameter and the second parameter to the terminal equipment so that the terminal equipment analyzes the first parameter and the second parameter respectively. The invention solves the technical problem of low accuracy of the abnormal reason of the detection compressor in the prior art.

Description

The detection method of air conditioner and its failure, device and system
Technical field
The present invention relates to air-conditioner field, in particular to the detection method of a kind of air conditioner and its failure, device and System.
Background technology
Commercial air conditioner is during for experiment, production and after-sales accident analysis at present, especially for pressure In the analytic process of the voltage protection of contracting machine, most analysis result is the mass deviation for the actual electric network that air conditioner is accessed Caused by, but the quality of power grid can not be detected in current air conditioner unit.The target of compressor in air conditioner unit DC voltage will produce protection act in the case of overvoltage or overcurrent, cut off the power supply of compressor, air conditioner unit It is out of service, at this point, the parameter due to failing detection power grid, causes Technical Maintenance Staff that cannot accurately search compressor and opens guarantor The reason of shield acts.Namely Technical Maintenance Staff cannot know power grid extremely and compressor is caused to open protection act, either The problem of driven compressor itself, causes compressor to open protection act.
For above-mentioned problem, currently no effective solution has been proposed.
Invention content
An embodiment of the present invention provides the detection method of a kind of air conditioner and its failure, device and system, at least to solve The low technical problem of the accuracy of detection compressor abnormal cause in the prior art.
One side according to the ... of the embodiment of the present invention provides a kind of detection method of air conditioner fault, including:Obtain the One parameter and the second parameter, wherein first parameter is accessed the electrical network parameter of power grid, second ginseng by the air conditioner Number is the operating parameter of the air conditioner;Whether the compressor for detecting the air conditioner opens protection act, wherein the compression The protection act of machine is the action for the power supply for cutting off the compressor;And detecting that it is dynamic that the compressor opens the protection In the case of work, first parameter and second parameter are sent to terminal device, so that the terminal device is respectively to institute It states the first parameter and second parameter is parsed.
Further, whether the compressor for detecting the air conditioner opens protection act and includes:Judge the compressor Whether the first target voltage value is less than the first preset voltage value, or judges that the first target voltage value of the compressor is It is no to be more than the second preset voltage value;And judging feelings of the first target voltage value less than first preset voltage value Under condition, or in the case where judging that the first target voltage value is more than second preset voltage value, determine the pressure Contracting machine opens the protection act.
Further, whether the compressor for detecting the air conditioner opens protection act and includes:Judge the first target voltage Whether value exceeds the target interval of the first target voltage value in preset time;And judging first mesh It marks voltage value to exceed in the case of the target interval, determines that the compressor opens the protection act.
Another aspect according to the ... of the embodiment of the present invention additionally provides a kind of detection method of air conditioner fault, including:It receives The first parameter and the second parameter sent from the air conditioner, wherein first parameter accesses electricity by the air conditioner The electrical network parameter of net, second parameter are the operating parameter of the air conditioner;Respectively to first parameter and described second Parameter is parsed;And the fault type of the air conditioner is determined according to analysis result.
Further, determine that the fault type of the air conditioner includes according to analysis result:Judge the second target voltage values Whether it is more than third preset voltage value and/or judges whether second target voltage values are less than the 4th preset voltage value;And Second target voltage values are being judged more than the third preset voltage value and/or judge second target voltage values In the case of less than the 4th preset voltage value, the electric network fault that the air conditioner is accessed is determined.
Further, determine that the fault type of the air conditioner includes according to analysis result:The air conditioner is detected to be connect Whether the harmonic content for entering the three-phase alternating-current supply of power grid is more than default content, wherein the default content is three intersection Allow the minimum content of the harmonic content in galvanic electricity source;And it is more than in the harmonic content for detecting the three-phase alternating-current supply pre- If in the case of content, determining the electric network fault that the air conditioner is accessed.
Further, determine that the fault type of the air conditioner includes according to analysis result:Detect the three-phase alternating current Whether each phase voltage value in source is more than preset difference value with the difference of the 5th preset voltage value;And detecting three intersection In the case that each phase voltage value in galvanic electricity source is more than preset difference value with the difference of the 5th preset voltage value, the air conditioner is determined The electric network fault accessed.
Another aspect according to the ... of the embodiment of the present invention additionally provides a kind of detection device of air conditioner fault, including:It obtains Unit, for obtaining the first parameter and the second parameter, wherein first parameter is accessed the power grid of power grid by the air conditioner Parameter, second parameter are the operating parameter of the air conditioner;Detection unit, the compressor for detecting the air conditioner are No unlatching protection act, wherein the protection act of the compressor is the action for the power supply for cutting off the compressor;And it sends Unit, in the case where detecting that the compressor opens the protection act, sending first parameter and described the Two parameters are to terminal device, so that the terminal device respectively parses first parameter and second parameter.
Further, the detection unit includes:First judgment module, the first object electricity for judging the compressor Whether pressure value is less than the first preset voltage value, or judges whether the first target voltage value of the compressor is more than second Preset voltage value;And first determining module, for judging that the first target voltage value is less than the described first default electricity In the case of pressure value, or in the case where judging that the first target voltage value is more than second preset voltage value, really The fixed compressor opens the protection act.
Further, the detection unit includes:Second judgment module, for judging the first target voltage value whether pre- If exceeding the target interval of the first target voltage value in the time;And second determining module, for judging It states the first target voltage value to exceed in the case of the target interval, determines that the compressor opens the protection act.
Another aspect according to the ... of the embodiment of the present invention additionally provides a kind of detection device of air conditioner fault, including:It receives Unit, for receiving the first parameter and the second parameter sent from the air conditioner, wherein first parameter is the sky It is the operating parameter of the air conditioner to adjust the electrical network parameter of the accessed power grid of device, second parameter;Resolution unit, for distinguishing First parameter and second parameter are parsed;And determination unit, for determining the sky according to analysis result Adjust the fault type of device.
Further, the determination unit includes:Third judgment module, for judging whether the second target voltage values are more than Third preset voltage value and/or judge second target voltage values whether be less than the 4th preset voltage value;And third determines Module, for judging that second target voltage values are more than the third preset voltage value and/or judge described second In the case that target voltage values are less than the 4th preset voltage value, the electric network fault that the air conditioner is accessed is determined.
Further, the determination unit includes:First detection module, for detecting the accessed power grid of the air conditioner Whether the harmonic content of three-phase alternating-current supply is more than default content, wherein the default content is in the three-phase alternating-current supply Allow the minimum content of the harmonic content;And the 4th determining module, in the harmonic wave for detecting the three-phase alternating-current supply In the case that content is more than default content, the electric network fault that the air conditioner is accessed is determined.
Further, the determination unit includes:Second detection module, for detecting each of the three-phase alternating-current supply Whether phase voltage value and the difference of the 5th preset voltage value are more than preset difference value;And the 5th determining module, for detecting In the case that each phase voltage value of the three-phase alternating-current supply is more than preset difference value with the difference of the 5th preset voltage value, determine The electric network fault that the air conditioner is accessed.
Another aspect according to the ... of the embodiment of the present invention additionally provides a kind of detecting system of air conditioner fault, including:Air-conditioning Device;Detection device for detecting the first parameter and the second parameter, and sends first parameter and second parameter to described Air conditioner, wherein first parameter is accessed the electrical network parameter of power grid by the air conditioner, and second parameter is the sky Adjust the operating parameter of device;And terminal device, in the case where the compressor of the air conditioner opens protection act, receiving First parameter and second parameter that the air conditioner is sent.
Another aspect according to the ... of the embodiment of the present invention additionally provides a kind of air conditioner, including times that the above is provided The detection device of air conditioner fault described in one.
In embodiments of the present invention, using the first parameter of acquisition and the second parameter, wherein first parameter is the sky It is the operating parameter of the air conditioner to adjust the electrical network parameter of the accessed power grid of device, second parameter;Detect the air conditioner Whether compressor opens protection act, wherein the protection act of the compressor is the action for the power supply for cutting off the compressor; In the case where detecting that the compressor opens the protection act, first parameter and second parameter are sent to end End equipment, in a manner of making the terminal device be parsed respectively to first parameter and second parameter.Pass through inspection Survey whether cooler compressor opens protection act, in the case where detecting compressor unlatching protection act, air conditioner will obtain To electrical network parameter and air conditioner operating parameter be sent to terminal device so that terminal device parses parameter, and then really Determine the reason of compressor opens protection act, the device of detection electrical network parameter is not installed in the air conditioner of the prior art, in turn It is that failure has occurred in power grid or failure has occurred in air conditioner in the case where cutting off the power that compressor, which cannot accurately be analyzed, this Invention has achieved the purpose that the dump reason of accurate analysis cooler compressor, and then solve by detecting electrical network parameter The low technical problem of the accuracy of detection compressor abnormal cause in the prior art, to realize, to automatically analyze compressor different The technique effect of normal reason.
Description of the drawings
Attached drawing described herein is used to provide further understanding of the present invention, and is constituted part of this application, this hair Bright illustrative embodiments and their description are not constituted improper limitations of the present invention for explaining the present invention.In the accompanying drawings:
Fig. 1 is a kind of flow chart of the detection method of air conditioner fault according to the ... of the embodiment of the present invention;
Fig. 2 is the flow chart of another optionally detection method of air conditioner fault according to the ... of the embodiment of the present invention;
Fig. 3 is the flow chart of another optionally detection method of air conditioner fault according to the ... of the embodiment of the present invention;
Fig. 4 is a kind of schematic diagram of the detection device of air conditioner fault according to the ... of the embodiment of the present invention;
Fig. 5 is the schematic diagram of the detection device of another optional air conditioner fault according to the ... of the embodiment of the present invention;And
Fig. 6 is a kind of schematic diagram of the detecting system of air conditioner fault according to the ... of the embodiment of the present invention.
Specific implementation mode
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people The every other embodiment that member is obtained without making creative work should all belong to the model that the present invention protects It encloses.
It should be noted that term " first " in description and claims of this specification and above-mentioned attached drawing, " Two " etc. be for distinguishing similar object, without being used to describe specific sequence or precedence.It should be appreciated that using in this way Data can be interchanged in the appropriate case, so as to the embodiment of the present invention described herein can in addition to illustrating herein or Sequence other than those of description is implemented.In addition, term " comprising " and " having " and their any deformation, it is intended that cover It includes to be not necessarily limited to for example, containing the process of series of steps or unit, method, system, product or equipment to cover non-exclusive Those of clearly list step or unit, but may include not listing clearly or for these processes, method, product Or the other steps or unit that equipment is intrinsic.
According to embodiments of the present invention, a kind of embodiment of the method for the detection method of air conditioner fault is provided, needs to illustrate , step shown in the flowchart of the accompanying drawings can hold in the computer system of such as a group of computer-executable instructions Row, although also, logical order is shown in flow charts, and it in some cases, can be with different from sequence herein Execute shown or described step.
Fig. 1 is a kind of flow chart of the detection method of air conditioner fault according to the ... of the embodiment of the present invention, as shown in Figure 1, should Method includes the following steps S102 to step S106:
Step S102 obtains the first parameter and the second parameter, wherein the first parameter is accessed the power grid of power grid by air conditioner Parameter, the second parameter are the operating parameter of air conditioner.
Specifically, in detection method provided by the invention, by the installation detecting device in air conditioner, to detect power grid The operating parameter of parameter and air conditioner, and then by the analysis to electrical network parameter and air conditioner operating parameter, judge air conditioner Failure cause.Wherein, the electrical network parameter that detection device detects includes:Three-phase alternating-current supply, three-phase alternating-current supply harmonic wave contain It measures, the three-phase alternating-current supply of power grid fluctuates the parameters such as situation, supply frequency, power factor (PF) and power parameter.The operation of air conditioner Parameter includes the ginsengs such as current/voltage virtual value, compressor frequency, wind turbine frequency and the sensor detection parameters of air conditioner unit Number.
Whether step S104, the compressor for detecting air conditioner open protection act, wherein the protection act of compressor is to cut The action of the power supply of disconnected compressor.
It is dynamic that the exception of the accessed power grid of air conditioner or the exception of driven compressor plate can all cause compressor to open protection Make, when compressor opens protection act, air conditioner machine group alarm disconnects the power supply of air conditioner unit, causes air conditioner unit It is out of service.
Step S106 sends the first parameter and the second parameter extremely in the case where detecting that compressor opens protection act Terminal device, so that terminal device respectively parses the first parameter and the second parameter.
Air conditioner and detection device are communicated by asynchronous receiving-transmitting transmitter (UART), air conditioner real-time reception detection dress The first parameter and the second parameter detected is set, and is stored in memory, when detecting that compressor opens protection act, will be connect The first parameter and the second parameter received is sent to terminal device by wireless module, and terminal device is automatically to the first parameter and Two parameters are analyzed, and quickly determine the reason of compressor opens protection act.Wherein, terminal device can be smart mobile phone, Tablet and apparatus such as computer;Wireless module can be Wifi modules, bluetooth module and GPRS module etc..
In embodiments of the present invention, it by detecting whether cooler compressor opens protection act, is opened in detection compressor In the case of opening protection act, the electrical network parameter got and air conditioner operating parameter are sent to terminal device by air conditioner, with So that terminal device is parsed parameter, and then determine the reason of compressor opens protection act, in the air conditioner of the prior art In the device of detection electrical network parameter is not installed, and then it is power grid in the case where cutting off the power that cannot accurately analyze compressor Failure has occurred in failure or air conditioner, and the present invention has reached accurate analysis cooler compressor by detecting electrical network parameter Dump reason purpose, and then the low technology of accuracy for solving detection compressor abnormal cause in the prior art is asked Topic, to realize the technique effect for automatically analyzing compressor abnormal cause.
Optionally, whether the compressor for air conditioner being detected by following two modes opens protection act.
Whether mode one, the compressor for detecting air conditioner open protection act and include the following steps S1041 to step S1043:
Step S1041, judges whether the first target voltage value of compressor is less than the first preset voltage value, or judges pressure Whether the first target voltage value of contracting machine is more than the second preset voltage value.
Step S1043 in the case where judging that the first target voltage value is less than the first preset voltage value, or is judging Go out the first target voltage value more than in the case of the second preset voltage value, determining that compressor opens protection act.
In embodiments of the present invention, the first target voltage value is the DC bus-bar voltage of driven compressor, is indicated with V1;The One preset voltage value is indicated with V2;Second preset voltage value is indicated with V3.
Specifically, in the case of detecting that the first target voltage value V1 is excessively high or too low, compressor power cut-out, i.e., It can determine that compressor opens protection act, at this point, air conditioner unit is out of service, and the first parameter and the second parameter be sent to Terminal device.Wherein, the first target voltage value V1 is excessively high is expressed as V1>V3, the first target voltage value V1 is too low to be expressed as V1< V2.The first target voltage value V1 is excessively high or the too low normal work model for indicating the first target voltage value V1 and exceeding air conditioner unit In enclosing, in embodiments of the present invention, if the normal voltage of air conditioner is 220V, the normal range of operation of air conditioner unit is [165V,280V]。
Whether mode two, the compressor for detecting air conditioner open protection act and include the following steps S1045 to step S1047:
Step S1045, judges whether the first target voltage value exceeds the target of the first target voltage value in preset time Interval.
Step S1047, in the case that judge the first target voltage value exceed target interval, determine compressor open Protection act.
In embodiments of the present invention, the first target voltage value is the DC bus-bar voltage of driven compressor, is indicated with V1.If When detecting that the first target voltage value is dropped in a relatively short period of time other than target interval, or it is increased to target value When other than section, compressor power cut-out, you can determine that compressor opens protection act, at this point, air conditioner unit is out of service, And the first parameter and the second parameter are sent to terminal device.In embodiments of the present invention, if the normal voltage of air conditioner is 220V, then target interval is [165V, 280V].That is air conditioner power down is opened until when the first target voltage value is fallen to 165V Compressor protection action is opened, is cut off the power;Or the first target voltage value is when being increased to 280V or more, at this point, having exceeded air-conditioning The voltage value 220V of device normal operation opens compressor protection action.
Fig. 2 is the flow chart of another optionally detection method of air conditioner fault according to the ... of the embodiment of the present invention, such as Fig. 2 It is shown, this method comprises the following steps S202 to step S206:
Step S202 receives the first parameter and the second parameter sent from air conditioner, wherein the first parameter is air conditioner The electrical network parameter of accessed power grid, the second parameter are the operating parameter of air conditioner.
When compressor opens protection act, i.e., when compressor power is cut off, air conditioner sends first by wireless module Parameter and the second parameter are to terminal device.Terminal device can be smart mobile phone, tablet and apparatus such as computer;Wireless module can be with For Wifi modules, bluetooth module and GPRS module etc..
Wherein, the electrical network parameter that detection device detects includes:Three-phase alternating-current supply, three-phase alternating-current supply harmonic wave contain It measures, the three-phase alternating-current supply of power grid fluctuates the parameters such as situation, supply frequency, power factor (PF) and power parameter.The operation of air conditioner Parameter includes the ginsengs such as current/voltage virtual value, compressor frequency, wind turbine frequency and the sensor detection parameters of air conditioner unit Number.
Step S204 respectively parses the first parameter and the second parameter.
Pass through the reason of compressor power is cut off known to the parsing to electrical network parameter and air conditioner operating parameter, wherein pressure Contracting electromechanical source cut off the reason of include:Power grid is abnormal abnormal with driven compressor plate in air conditioner.
Step S206 determines the fault type of air conditioner according to analysis result.
The first parameter and the second parameter that receive are parsed automatically in terminal device, and provide analysis result, And then failure judgement type, wherein fault type includes that power grid is abnormal abnormal with driven compressor plate in air conditioner.
In the prior art, the detection device for not installing detection electrical network parameter in air conditioner, therefore, when electric network fault causes When compressor power is cut off, the reason of just cannot being accurately inferred to dump.Detection method provided by the invention, by obtaining Electrical network parameter is taken, has help well to make for inferring that overtension or brownout cause compressor to open protection act With.
In embodiments of the present invention, it by detecting whether cooler compressor opens protection act, is opened in detection compressor In the case of opening protection act, the electrical network parameter got and air conditioner operating parameter are sent to terminal device by air conditioner, with So that terminal device is parsed parameter, and then determine the reason of compressor opens protection act, in the air conditioner of the prior art In the device of detection electrical network parameter is not installed, and then it is power grid in the case where cutting off the power that cannot accurately analyze compressor Failure has occurred in failure or air conditioner, and the present invention has reached accurate analysis cooler compressor by detecting electrical network parameter Dump reason purpose, and then the low technology of accuracy for solving detection compressor abnormal cause in the prior art is asked Topic, to realize the technique effect for automatically analyzing compressor abnormal cause.
Optionally, parameter is parsed by the following method, and then determines the fault type of air conditioner.
Method one determines that the fault type of air conditioner includes the following steps S2041 to step S2043:
Step S2041, judges whether the second target voltage values are more than third preset voltage value and/or judge the second target electricity Whether pressure value is less than the 4th preset voltage value.
Step S2043 is judging the second target voltage values more than third preset voltage value and/or is judging the second target In the case that voltage value is less than the 4th preset voltage value, the electric network fault that air conditioner is accessed is determined.
In embodiments of the present invention, the second target voltage values are the working voltage value of air conditioner unit, are indicated with V4;Third Preset voltage value is indicated with V5;4th preset voltage value is indicated with V6.
Specifically, in the case of detecting that the second target voltage values V4 is excessively high or too low, it is determined as air conditioner and is connect The electric network fault entered, that is, the reason of determining to cause compressor to open protection act, abnormal fluctuation had occurred for power grid, at this point, Terminal device shows analysis result, and shows the anomaly parameter of power grid.Wherein, the second target voltage values V4 is excessively high is expressed as V4> V5, the second target voltage values V4 is too low to be expressed as V4<V5.Second target voltage values V4 is excessively high or the second target of too low expression is electric In normal range of operation of the pressure value V4 beyond air conditioner unit, in embodiments of the present invention, if the normal voltage of air conditioner is 220V, then the normal range of operation of air conditioner unit is [165V, 280V], that is, when detecting the second target voltage values V4< 165V, or detect the second target voltage values V4>When 280V, it is dynamic to determine that the unusual fluctuations of power grid cause compressor to open protection Make.
Method two determines that the fault type of air conditioner includes the following steps S2045 to step S2047:
Whether step S2045, the harmonic content for detecting the three-phase alternating-current supply of the accessed power grid of air conditioner are more than default contain Amount, wherein default content is to allow the minimum content of harmonic content in three-phase alternating-current supply.
Step S2047 determines air conditioner in the case where the harmonic content for detecting three-phase alternating-current supply is more than default content The electric network fault accessed.
It should be noted that harmonic content is from subtracting the amount obtained after fundametal compoment in non sinusoidal periodic of ac.? In the embodiment of the present invention, by by the virtual value of collected power grid three-phase alternating-current supply voltage (alternatively, three-phase alternating-current supply Virtual value) it is compared with fundamental voltage parameter (alternatively, fundamental current parameter), and then show that the harmonic wave of three-phase alternating-current supply contains Amount.When comparing harmonic content more than default content, determine that the electric network fault that air conditioner is accessed, i.e. determination lead to compressor Exception has occurred for power grid in the reason of opening protection act.Wherein, in embodiments of the present invention, default content is chosen for 5%.
Method three determines that the fault type of air conditioner includes the following steps S2049 to step S20411:
Whether step S2049, each phase voltage value and the difference of the 5th preset voltage value for detecting three-phase alternating-current supply are big In preset difference value.
Step S20411 is big in each phase voltage value and the difference of the 5th preset voltage value for detecting three-phase alternating-current supply In the case of preset difference value, the electric network fault that air conditioner is accessed is determined.
In embodiments of the present invention, whether can also be balanced by detection three-phase alternating-current supply three-phase to determine that power grid occurs Exception.Three-phase imbalance refers to that three-phase voltage in electric system (or three-phase current) amplitude is inconsistent, and difference in magnitude is more than Prescribed limit.Therefore, in embodiments of the present invention, by calculating the amplitude of each phase voltage and the 5th default electricity in three-phase voltage The difference of pressure value, to determine whether three-phase voltage balances.Wherein, the 5th preset voltage value is the amplitude standard of each phase voltage Value, when three-phase voltage is 220V voltages, the 5th preset voltage value is 220V.
By the analysis to above method one, method two and method three it is found that if electrical network parameter meets any of the above item When part, you can it is determined that causing compressor to open protection act since power grid is abnormal.If being unsatisfactory for any of the above condition When, you can it is determined that since the problem of driven compressor plate itself designs, causes compressor to open protection act.
Fig. 3 is the flow chart of another optionally detection method of air conditioner fault according to the ... of the embodiment of the present invention, such as Fig. 3 It is shown, this method comprises the following steps S302 to step S316:
Step S302, air conditioner unit power on.
Step S304 obtains the first parameter and the second parameter, wherein the first parameter is accessed the power grid of power grid by air conditioner Parameter, the second parameter are the operating parameter of air conditioner.Increase detection device in air conditioner unit, is detected by the detection device First parameter and the second parameter, and the first parameter and the second parameter are sent in the mainboard of air conditioner unit.
Whether the compressor of step S306, detection air conditioner unit open protection act.If so, thening follow the steps S308; If it is not, then returning to step S304.Specifically, when detecting the driven compressor DC bus-bar voltage of compressor (that is, first Target voltage values) it is excessively high protection, driven compressor DC bus-bar voltage (that is, the first target voltage value) too low protection, and pressure When contracting machine drives DC bus-bar voltage (that is, the first target voltage value) to exceed target interval, air conditioner compressor emergency shutdown.
Step S308, air conditioner compressor emergency shutdown send the first parameter and the second parameter to terminal device.If air conditioner unit It shuts down, then the first parameter that detection device detects and the second parameter are sent to terminal device by air conditioner by wireless module. Wherein, wireless module can be any one of Wifi modules, bluetooth module and GPRS module;Terminal device includes intelligent hand The equipment that machine, tablet and computer etc. can be implemented in air conditioner wireless connection.
Step S310, terminal device receive the first parameter and the second parameter.
Whether step S312, parsing power grid quality comply with standard design.If so, thening follow the steps S316;If it is not, then executing Step S314.The first parameter of terminal device pair and the second parameter parse, if detecting the second target voltage values (that is, air-conditioning Device working voltage value) harmonic content excessively high or too low, that detect three-phase alternating-current supply is more than default content, three-phase voltage Voltage (or electric current) deviation of each phase of (either three phase mains) is excessive, it is determined that compressor open protection act be due to Power grid is abnormal;Otherwise, it is caused by driving itself designs that compressor, which opens protection act,.
Step S314, caused by compressor unlatching protection act is net exception.
Step S316, it is caused by driving itself designs that compressor, which opens protection act,.
Detection method provided by the invention monitors the electrical network parameter of the accessed power grid of air conditioner in real time, and then provides corresponding Data, for be difficult to analyze present in the extremely caused compressor unlatching protection act of analysis power grid or driven compressor plate Device fault has analyzes help well.It, can be with by the detection to electrical network parameter in addition, air-conditioner set installation is throughout the country The electric network data that each area is provided, to have prodigious foundation to the exploitation of research staff and the reference etc. of parts selection.
The embodiment of the present invention additionally provides a kind of detection device of air conditioner fault, which is mainly used for executing sheet The detection method for the air conditioner fault that inventive embodiments the above is provided, is provided for the embodiments of the invention air-conditioning below The detection device of device failure does specific introduction.
Fig. 4 is a kind of schematic diagram of the detection device of air conditioner fault according to the ... of the embodiment of the present invention.As shown in figure 4, inspection Surveying device includes:Acquiring unit 10, detection unit 20 and transmission unit 30, wherein:
Acquiring unit 10, for obtaining the first parameter and the second parameter, wherein the first parameter accesses power grid by air conditioner Electrical network parameter, the second parameter be air conditioner operating parameter.
Specifically, in detection method provided by the invention, by the installation detecting device in air conditioner, to detect power grid The operating parameter of parameter and air conditioner, and then by the analysis to electrical network parameter and air conditioner operating parameter, judge air conditioner Failure cause.Wherein, the electrical network parameter that detection device detects includes:Three-phase alternating-current supply, three-phase alternating-current supply harmonic wave contain It measures, the three-phase alternating-current supply of power grid fluctuates the parameters such as situation, supply frequency, power factor (PF) and power parameter.The operation of air conditioner Parameter includes the ginsengs such as current/voltage virtual value, compressor frequency, wind turbine frequency and the sensor detection parameters of air conditioner unit Number.
Whether detection unit 20, the compressor for detecting air conditioner open protection act, wherein the protection of compressor is dynamic The action of power supply as cut-out compressor.
It is dynamic that the exception of the accessed power grid of air conditioner or the exception of driven compressor plate can all cause compressor to open protection Make, when compressor opens protection act, air conditioner machine group alarm disconnects the power supply of air conditioner unit, causes air conditioner unit It is out of service.
Transmission unit 30, in the case where detecting that compressor opens protection act, sending the first parameter and second Parameter is to terminal device, so that terminal device respectively parses the first parameter and the second parameter.
Air conditioner and detection device are communicated by asynchronous receiving-transmitting transmitter (UART), air conditioner real-time reception detection dress The first parameter and the second parameter detected is set, and is stored in memory, when detecting that compressor opens protection act, will be connect The first parameter and the second parameter received is sent to terminal device by wireless module, and terminal device is automatically to the first parameter and Two parameters are analyzed, and quickly determine the reason of compressor opens protection act.Wherein, terminal device can be smart mobile phone, Tablet and apparatus such as computer;Wireless module can be Wifi modules, bluetooth module and GPRS module etc..
In embodiments of the present invention, it by detecting whether cooler compressor opens protection act, is opened in detection compressor In the case of opening protection act, the electrical network parameter got and air conditioner operating parameter are sent to terminal device by air conditioner, with So that terminal device is parsed parameter, and then determine the reason of compressor opens protection act, in the air conditioner of the prior art In the device of detection electrical network parameter is not installed, and then it is power grid in the case where cutting off the power that cannot accurately analyze compressor Failure has occurred in failure or air conditioner, and the present invention has reached accurate analysis cooler compressor by detecting electrical network parameter Dump reason purpose, and then the low technology of accuracy for solving detection compressor abnormal cause in the prior art is asked Topic, to realize the technique effect for automatically analyzing compressor abnormal cause.
Optionally, detection unit 20 includes:First judgment module, for judge compressor the first target voltage value whether Less than the first preset voltage value, or judge whether the first target voltage value of compressor is more than the second preset voltage value;First Determining module in the case where judging that the first target voltage value is less than the first preset voltage value, or is judging the In the case that one target voltage values are more than the second preset voltage value, determine that compressor opens protection act.
In embodiments of the present invention, the first target voltage value is the DC bus-bar voltage of driven compressor, is indicated with V1;The One preset voltage value is indicated with V2;Second preset voltage value is indicated with V3.When detecting the first target voltage value V1<The case where V2 Under, or detect the first target voltage value V1>In the case of V3, compressor power cut-out, compressor opens protection act, this When, air conditioner unit is out of service, and the first parameter and the second parameter are sent to terminal device.
Optionally, detection unit 20 includes:Second judgment module, for judging the first target voltage value whether when default The interior target interval for exceeding the first target voltage value;Second determining module, for judging the first target voltage value In the case of target interval, determine that compressor opens protection act.
In embodiments of the present invention, the first target voltage value is the DC bus-bar voltage of driven compressor, is indicated with V1.If When detecting that the first target voltage value is dropped in a relatively short period of time other than target interval, or it is increased to target value When other than section, compressor power cut-out determines that compressor opens protection act, at this point, air conditioner unit is out of service, and will First parameter and the second parameter are sent to terminal device.
Fig. 5 is the schematic diagram of the detection device of another optional air conditioner fault according to the ... of the embodiment of the present invention.Such as Fig. 5 Shown, detection device includes:Receiving unit 40, resolution unit 50 and determination unit 60, wherein:
Receiving unit 40, for receiving the first parameter and the second parameter sent from air conditioner, wherein the first parameter is The electrical network parameter of the accessed power grid of air conditioner, the second parameter are the operating parameter of air conditioner.
When compressor opens protection act, i.e., when compressor power is cut off, air conditioner sends first by wireless module Parameter and the second parameter are to terminal device.Terminal device can be smart mobile phone, tablet and apparatus such as computer;Wireless module can be with For Wifi modules, bluetooth module and GPRS module etc..
Resolution unit 50, for being parsed respectively to the first parameter and the second parameter.By to electrical network parameter and air-conditioning Known to the parsing of device operating parameter the reason of compressor power cut-out, wherein the reason of compression dump includes:Power grid is abnormal It is abnormal with driven compressor plate in air conditioner.
Determination unit 60, the fault type for determining air conditioner according to analysis result.To receiving in terminal device The first parameter and the second parameter parsed automatically, and provide analysis result, and then failure judgement type, wherein failure classes Type includes that power grid is abnormal abnormal with driven compressor plate in air conditioner.
In embodiments of the present invention, it by detecting whether cooler compressor opens protection act, is opened in detection compressor In the case of opening protection act, the electrical network parameter got and air conditioner operating parameter are sent to terminal device by air conditioner, with So that terminal device is parsed parameter, and then determine the reason of compressor opens protection act, in the air conditioner of the prior art In the device of detection electrical network parameter is not installed, and then it is power grid in the case where cutting off the power that cannot accurately analyze compressor Failure has occurred in failure or air conditioner, and the present invention has reached accurate analysis cooler compressor by detecting electrical network parameter Dump reason purpose, and then the low technology of accuracy for solving detection compressor abnormal cause in the prior art is asked Topic, to realize the technique effect for automatically analyzing compressor abnormal cause.
Optionally it is determined that unit 60 includes:Third judgment module, for judging whether the second target voltage values are more than third Preset voltage value and/or judge the second target voltage values whether be less than the 4th preset voltage value;Third determining module, for sentencing Break and the second target voltage values more than third preset voltage value and/or judge that the second target voltage values are less than the 4th predeterminated voltage In the case of value, the electric network fault that air conditioner is accessed is determined.
In embodiments of the present invention, the second target voltage values are the working voltage value of air conditioner unit, are indicated with V4;Third Preset voltage value is indicated with V5;4th preset voltage value is indicated with V6.When detecting the second target voltage values V4>V5, Huo Zhejian Measure the second target voltage values V4<In the case of V5, the electric network fault that air conditioner is accessed is determined, that is, determine to lead to compressor Abnormal fluctuation has occurred for power grid for the reason of opening protection act, at this point, terminal device shows analysis result, and shows power grid Anomaly parameter.
Optionally it is determined that unit 60 includes:First detection module, the three-phase alternating current for detecting the accessed power grid of air conditioner Whether the harmonic content of power supply is more than default content, wherein default content is to allow harmonic content most in three-phase alternating-current supply Small content;4th determining module determines in the case of for being more than default content in the harmonic content for detecting three-phase alternating-current supply The electric network fault that air conditioner is accessed.
It should be noted that harmonic content is from subtracting the amount obtained after fundametal compoment in non sinusoidal periodic of ac.? In the embodiment of the present invention, by by the virtual value of collected power grid three-phase alternating-current supply voltage (alternatively, three-phase alternating-current supply Virtual value) it is compared with fundamental voltage parameter (alternatively, fundamental current parameter), and then show that the harmonic wave of three-phase alternating-current supply contains Amount.When comparing harmonic content more than default content, determine that the electric network fault that air conditioner is accessed, i.e. determination lead to compressor Exception has occurred for power grid in the reason of opening protection act.Wherein, in embodiments of the present invention, default content is chosen for 5%.
Optionally it is determined that unit 60 includes:Second detection module, each phase voltage value for detecting three-phase alternating-current supply Whether it is more than preset difference value with the difference of the 5th preset voltage value;5th determining module, for detecting three-phase alternating-current supply Each phase voltage value and the 5th preset voltage value difference be more than preset difference value in the case of, determine the electricity that air conditioner is accessed Net failure.
In embodiments of the present invention, whether can also be balanced by detection three-phase alternating-current supply three-phase to determine that power grid occurs Exception.Three-phase imbalance refers to that three-phase voltage in electric system (or three-phase current) amplitude is inconsistent, and difference in magnitude is more than Prescribed limit.Therefore, in embodiments of the present invention, by calculating the amplitude of each phase voltage and the 5th default electricity in three-phase voltage The difference of pressure value, to determine whether three-phase voltage balances.Wherein, the 5th preset voltage value is the amplitude standard of each phase voltage Value, when three-phase voltage is 220V voltages, the 5th preset voltage value is 220V.
The embodiment of the present invention additionally provides a kind of detecting system of air conditioner fault.Fig. 6 is according to the ... of the embodiment of the present invention A kind of schematic diagram of the detecting system of air conditioner fault.As shown in fig. 6, including:Air conditioner 100, detection device 200 and terminal are set Standby 300, wherein:Detection device 200 for detecting the first parameter and the second parameter, and sends the first parameter and the second parameter extremely Air conditioner, wherein the first parameter is accessed the electrical network parameter of power grid by air conditioner, and the second parameter is that the operation of air conditioner is joined;Eventually End equipment 300, for air conditioner compressor open protection act in the case of, receive air conditioner send the first parameter and Second parameter.
The first parameter and the second parameter are detected by detection device 200, and the first parameter and the second parameter is passed through asynchronous Receiving-transmitting transmitter (UART) communication interface is sent in the mainboard of air conditioner 100, and when compressor opens protection act, air-conditioning First parameter and the second parameter are sent to terminal device 300 by device 100, and terminal device 300 is to the first parameter received and Two parameters are parsed, and the reason of compressor opens protection act is obtained.
The embodiment of the present invention additionally provides a kind of air conditioner, including the above of the embodiment of the present invention provided it is any The detection device of air conditioner fault.
The embodiments of the present invention are for illustration only, can not represent the quality of embodiment.
In the above embodiment of the present invention, all emphasizes particularly on different fields to the description of each embodiment, do not have in some embodiment The part of detailed description may refer to the associated description of other embodiment.
In several embodiments provided herein, it should be understood that disclosed technology contents can pass through others Mode is realized.Wherein, the apparatus embodiments described above are merely exemplary, for example, the unit division, Ke Yiwei A kind of division of logic function, formula that in actual implementation, there may be another division manner, such as multiple units or component can combine or Person is desirably integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual Between coupling, direct-coupling or communication connection can be INDIRECT COUPLING or communication link by some interfaces, unit or module It connects, can be electrical or other forms.
The unit illustrated as separating component may or may not be physically separated, aobvious as unit The component shown may or may not be physical unit, you can be located at a place, or may be distributed over multiple On unit.Some or all of unit therein can be selected according to the actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it can also It is that each unit physically exists alone, it can also be during two or more units be integrated in one unit.Above-mentioned integrated list The form that hardware had both may be used in member is realized, can also be realized in the form of SFU software functional unit.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product When, it can be stored in a computer read/write memory medium.Based on this understanding, technical scheme of the present invention is substantially The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words It embodies, which is stored in a storage medium, including some instructions are used so that a computer Equipment (can be personal computer, server or network equipment etc.) execute each embodiment the method for the present invention whole or Part steps.And storage medium above-mentioned includes:USB flash disk, read-only memory (ROM, Read-Only Memory), arbitrary access are deposited Reservoir (RAM, Random Access Memory), mobile hard disk, magnetic disc or CD etc. are various can to store program code Medium.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered It is considered as protection scope of the present invention.

Claims (12)

1. a kind of detection method of air conditioner fault, which is characterized in that including:
Obtaining the first parameter and the second parameter, wherein first parameter is accessed the electrical network parameter of power grid by the air conditioner, Second parameter is the operating parameter of the air conditioner;
Whether the compressor for detecting the air conditioner opens protection act, wherein the protection act of the compressor is cut-out institute State the action of the power supply of compressor;And
In the case where detecting that the compressor opens the protection act, first parameter and second parameter are sent To terminal device, so that the terminal device respectively parses first parameter and second parameter;
Wherein, whether the compressor for detecting the air conditioner opens protection act and includes:
Judge whether the first target voltage value of the compressor is less than the first preset voltage value, or judges the compressor Whether the first target voltage value is more than the second preset voltage value;And
In the case where judging that the first target voltage value is less than first preset voltage value, or described in judging In the case that the first target voltage value is more than second preset voltage value, determine that the compressor opens the protection act.
2. detection method according to claim 1, which is characterized in that whether the compressor for detecting the air conditioner opens guarantor Shield acts:
Judge whether the first target voltage value exceeds the target value area of the first target voltage value in preset time Between;And
Judging that the first target voltage value exceeds the target interval, is determining that the compressor opens institute State protection act.
3. a kind of detection method of air conditioner fault, which is characterized in that including:
Receive the first parameter and the second parameter sent from the air conditioner, wherein first parameter is the air conditioner The electrical network parameter of accessed power grid, second parameter are the operating parameter of the air conditioner;
First parameter and second parameter are parsed respectively;And
The fault type of the air conditioner is determined according to analysis result;
Wherein, before receiving the first parameter and the second parameter that are sent from the air conditioner, the method further includes:Pass through Whether the compressor that the air conditioner detects the air conditioner opens protection act, wherein the protection act of the compressor is The action of the power supply of the compressor is cut off, the air conditioner is additionally operable to detecting the compressor unlatching protection act In the case of, first parameter and second parameter are sent to terminal device;
Wherein, determine that the fault type of the air conditioner includes according to analysis result:
Judge whether the second target voltage values are more than third preset voltage value and/or judge the second target voltage values whether less than the Four preset voltage values;And
Judging that second target voltage values are more than the third preset voltage value and/or judge that second target is electric In the case that pressure value is less than the 4th preset voltage value, the electric network fault that the air conditioner is accessed is determined.
4. detection method according to claim 3, which is characterized in that determine the failure of the air conditioner according to analysis result Type includes:
Whether the harmonic content for detecting the three-phase alternating-current supply of the accessed power grid of the air conditioner is more than default content, wherein institute It is to allow the minimum content of the harmonic content in the three-phase alternating-current supply to state default content;And
In the case where the harmonic content for detecting the three-phase alternating-current supply is more than default content, determine that the air conditioner is accessed Electric network fault.
5. detection method according to claim 4, which is characterized in that determine the failure of the air conditioner according to analysis result Type includes:
Whether each phase voltage value for detecting the three-phase alternating-current supply and the difference of the 5th preset voltage value are more than preset difference value; And
It is more than preset difference value in each phase voltage value for detecting the three-phase alternating-current supply and the difference of the 5th preset voltage value In the case of, determine the electric network fault that the air conditioner is accessed.
6. a kind of detection device of air conditioner fault, which is characterized in that including:
Acquiring unit, for obtaining the first parameter and the second parameter, wherein first parameter accesses electricity by the air conditioner The electrical network parameter of net, second parameter are the operating parameter of the air conditioner;
Whether detection unit, the compressor for detecting the air conditioner open protection act, wherein the protection of the compressor Action is the action for the power supply for cutting off the compressor;And
Transmission unit, in the case where detecting that the compressor opens the protection act, sending first parameter With second parameter to terminal device so that the terminal device respectively carries out first parameter and second parameter Parsing;
Wherein, the detection unit includes:
First judgment module, for judge the compressor the first target voltage value whether be less than the first preset voltage value, or Person judges whether the first target voltage value of the compressor is more than the second preset voltage value;And
First determining module, for judging the case where the first target voltage value is less than first preset voltage value Under, or in the case where judging that the first target voltage value is more than second preset voltage value, determine the compression Machine opens the protection act.
7. detection device according to claim 6, which is characterized in that the detection unit includes:
Second judgment module, for judging whether the first target voltage value exceeds the first target voltage value in preset time Target interval;And
Second determining module, for judging the first target voltage value beyond the target interval, really The fixed compressor opens the protection act.
8. a kind of detection device of air conditioner fault, which is characterized in that including:
Receiving unit, for receiving the first parameter and the second parameter sent from the air conditioner, wherein first parameter The electrical network parameter of power grid is accessed by the air conditioner, second parameter is the operating parameter of the air conditioner;
Resolution unit, for being parsed respectively to first parameter and second parameter;And
Determination unit, the fault type for determining the air conditioner according to analysis result;
Wherein, described device is additionally operable to detect the compressor of the air conditioner by the air conditioner and whether opens protection act, Wherein, the protection act of the compressor is the action for the power supply for cutting off the compressor, and the air conditioner is additionally operable to detecting In the case of going out the compressor unlatching protection act, sends first parameter and second parameter to terminal is set It is standby;
Wherein, the determination unit includes:
Third judgment module, is used to judge whether the second target voltage values to be more than third preset voltage value and/or judge the second mesh Mark whether voltage value is less than the 4th preset voltage value;And
Third determining module, for judging second target voltage values more than the third preset voltage value and/or sentencing Break and second target voltage values less than the power grid event in the case of the 4th preset voltage value, determining that the air conditioner is accessed Barrier.
9. detection device according to claim 8, which is characterized in that the determination unit includes:
First detection module, for detecting whether the harmonic content of three-phase alternating-current supply of the accessed power grid of the air conditioner is more than Default content, wherein the default content is to allow the minimum content of the harmonic content in the three-phase alternating-current supply;And
4th determining module, in the case of for being more than default content in the harmonic content for detecting the three-phase alternating-current supply, really The electric network fault that the fixed air conditioner is accessed.
10. detection device according to claim 9, which is characterized in that the determination unit includes:
Second detection module, the difference of each phase voltage value and the 5th preset voltage value for detecting the three-phase alternating-current supply Whether preset difference value is more than;And
5th determining module, in each phase voltage value for detecting the three-phase alternating-current supply and the 5th preset voltage value In the case that difference is more than preset difference value, the electric network fault that the air conditioner is accessed is determined.
11. a kind of detecting system of air conditioner fault, which is characterized in that including:
Air conditioner;
Detection device for detecting the first parameter and the second parameter, and sends first parameter and second parameter to institute State air conditioner, wherein first parameter is accessed the electrical network parameter of power grid by the air conditioner, and second parameter is described The operating parameter of air conditioner;And
Terminal device, in the case where the compressor of the air conditioner opens protection act, receiving the air conditioner and sending First parameter and second parameter;
Wherein, the terminal device is additionally operable to parse first parameter and second parameter, and is tied according to parsing Fruit determines the fault type of the air conditioner;Wherein, the terminal device is additionally operable to determine the air conditioner in the following manner Fault type:
Judge whether the second target voltage values are more than third preset voltage value and/or judge the second target voltage values whether less than the Four preset voltage values;And second target voltage values are being judged more than the third preset voltage value and/or are being judged In the case that second target voltage values are less than the 4th preset voltage value, the electric network fault that the air conditioner is accessed is determined.
12. a kind of air conditioner, which is characterized in that the detection dress including the air conditioner fault described in any one of claim 6 or 7 It sets.
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