The content of the invention
It is contemplated that at least solving one of technical problem in correlation technique to a certain extent.
Therefore, first purpose of the present invention is to propose Temperature Failure in a kind of air conditioner or radiator loose contactDetection method, can accurately and effectively judge temperature sensor fails or radiator and the phenomenon of refrigerant pipeline loose contact.
Second object of the present invention is to propose a kind of computer-readable recording medium.
Third object of the present invention is the detection for proposing Temperature Failure or radiator loose contact in a kind of air conditionerDevice.
Fourth object of the present invention is to propose a kind of air conditioner.
To reach above-mentioned purpose, first aspect present invention embodiment proposes Temperature Failure or radiator in a kind of air conditionerThe detection method of loose contact, the air conditioner includes compressor, the frequency-variable module for driving the compressor operation, is used forRefrigerant radiating module, the temperature sensor radiated to the frequency-variable module, the refrigerant radiating module includes refrigerant pipeline and dissipatedHot device, the refrigerant pipeline is arranged in the radiator and is in contact with the radiator, and the temperature sensor is used to examineThe temperature value of the radiator is surveyed, the detection method comprises the following steps：After the start-up command of the compressor is received,Obtain the first temperature value and current outdoor ring of temperature sensor detection during the first preset time after the compressor startBorder temperature；Judge whether the temperature gap between first temperature value and the current outdoor environment temperature is less than the first temperatureThreshold value；If the temperature gap between first temperature value and the current outdoor environment temperature is less than first temperature thresholdValue, then obtain the minimum temperature value of the temperature sensor detection in the second preset time after compressor start, and fromGetting the minimum temperature value corresponding time starts timing, when timing time reaches three preset times, obtains describedThe second temperature value of temperature sensor detection；Judging the temperature gap between the second temperature value and the minimum temperature value isIt is no to be less than second temperature threshold value；If temperature gap between the second temperature value and the minimum temperature value is less than described theTwo temperature thresholds, then judge the temperature sensor fails or the radiator and the refrigerant pipeline loose contact.
Temperature Failure or the detection method of radiator loose contact, are being received in air conditioner according to embodiments of the present inventionAfter the start-up command of compressor, obtain compressor start after the first preset time when temperature sensor detection the first temperature value andCurrent outdoor environment temperature, and judging that it is warm that the temperature gap between the first temperature value and current outdoor environment temperature is less than firstWhen spending threshold value, the minimum temperature value of temperature sensor detection in the second preset time after compressor start is obtained, then from obtainingGetting the minimum temperature value corresponding time starts timing, when timing time reaches three preset times, obtains temperature sensorThe second temperature value of detection, and judging the temperature gap between second temperature value and minimum temperature value less than second temperature threshold valueWhen, judge temperature sensor fails or radiator and refrigerant pipeline loose contact.Thus, this method can accurately and effectively be sentencedDetermine temperature sensor fails or radiator and the phenomenon of refrigerant pipeline loose contact.
In addition, Temperature Failure or the detection method of radiator loose contact in air conditioner according to the above embodiment of the present inventionThere can also be technical characteristic additional as follows：
According to one embodiment of present invention, if between first temperature value and the current outdoor environment temperatureTemperature gap is more than or equal to first temperature threshold, then judges that the temperature sensor is in normal condition and the radiatorContacted well with the refrigerant pipeline.
According to one embodiment of present invention, if temperature difference between the second temperature value and the minimum temperature valueValue is more than or equal to the second temperature threshold value, then judge the temperature sensor be in normal condition and the radiator with it is describedRefrigerant pipeline contact is good.
According to one embodiment of present invention, when judge the temperature sensor fails or the radiator with it is described coldWhen matchmaker's pipeline contact is bad, controls the compressor shutdown and export failure code.
To reach above-mentioned purpose, the second aspect of the present invention embodiment proposes a kind of computer-readable recording medium, toolInstruction therein is stored in, when executed, the above-mentioned Temperature Failure of the air conditioner execution or radiator connectTouch bad detection method.
The computer-readable recording medium of the embodiment of the present invention, by performing, above-mentioned Temperature Failure or radiator are contacted notGood detection method, can accurately and effectively judge showing for temperature sensor fails or radiator and refrigerant pipeline loose contactAs.
To reach above-mentioned purpose, third aspect present invention embodiment proposes Temperature Failure or radiator in a kind of air conditionerThe detection means of loose contact, the air conditioner includes compressor, the frequency-variable module for driving the compressor operation, is used forRefrigerant radiating module, the temperature sensor radiated to the frequency-variable module, the refrigerant radiating module includes refrigerant pipeline and dissipatedHot device, the refrigerant pipeline is arranged in the radiator and is in contact with the radiator, and the temperature sensor is used to examineThe temperature value of the radiator is surveyed, the detection means includes：Acquisition module, for referring in the start for receiving the compressorAfter order, the temperature sensor is detected when obtaining the first preset time after the compressor start the first temperature value and work as cupExternal environment temperature；Judge module, for judging the temperature difference between first temperature value and the current outdoor environment temperatureWhether value is less than the first temperature threshold；The acquisition module, is additionally operable to when first temperature value and the current outdoor environmentWhen temperature gap between temperature is less than first temperature threshold, obtain in the second preset time after the compressor startThe minimum temperature value of the temperature sensor detection, and the timing since being got the minimum temperature value corresponding time, whenWhen timing time reaches three preset times, the second temperature value of the temperature sensor detection is obtained；The judge module, alsoFor judging whether the temperature gap between the second temperature value and the minimum temperature value is less than second temperature threshold value, itsIn, it is described if the temperature gap between the second temperature value and the minimum temperature value is less than the second temperature threshold valueJudge module then judges the temperature sensor fails or the radiator and the refrigerant pipeline loose contact.
Temperature Failure or the detection means of radiator loose contact, are being received in air conditioner according to embodiments of the present inventionAfter the start-up command of compressor, the first of temperature sensor detection when acquisition module obtains the first preset time after compressor startTemperature value and current outdoor environment temperature, and judge the temperature between the first temperature value and current outdoor environment temperature in judge moduleWhen spending difference less than the first temperature threshold, acquisition module obtains temperature sensor inspection in the second preset time after compressor startThe minimum temperature value of survey, the then timing since being got the minimum temperature value corresponding time, when timing time reaches that the 3rd is pre-If during the time, obtaining the second temperature value of temperature sensor detection, and judge second temperature value and minimum temperature in judge moduleWhen temperature gap between value is less than second temperature threshold value, judge that temperature sensor fails or radiator are contacted with refrigerant pipelineIt is bad.Thus, the device can accurately and effectively judge temperature sensor fails or radiator and refrigerant pipeline loose contactPhenomenon.
In addition, Temperature Failure or the detection means of radiator loose contact in air conditioner according to the above embodiment of the present inventionThere can also be technical characteristic additional as follows：
According to one embodiment of present invention, if between first temperature value and the current outdoor environment temperatureTemperature gap is more than or equal to first temperature threshold, and the judge module then judges that the temperature sensor is in normal conditionAnd the radiator is contacted well with the refrigerant pipeline.
According to one embodiment of present invention, if temperature difference between the second temperature value and the minimum temperature valueValue is more than or equal to the second temperature threshold value, and the judge module then judges that the temperature sensor is in normal condition and describedRadiator is contacted well with the refrigerant pipeline.
According to one embodiment of present invention, the detection of Temperature Failure or radiator loose contact is filled in above-mentioned air conditionerPut, in addition to：Control module, the control module is used to judge the temperature sensor fails or institute in the judge moduleWhen stating radiator with the refrigerant pipeline loose contact, control the compressor shutdown and export failure code.
To reach above-mentioned purpose, fourth aspect present invention embodiment proposes a kind of air conditioner, and it includes above-mentioned temperatureFailure or the detection means of radiator loose contact.
The air conditioner of the embodiment of the present invention, passes through above-mentioned Temperature Failure or the detection means of radiator loose contact, energyIt is enough accurately and effectively to judge temperature sensor fails or radiator and the phenomenon of refrigerant pipeline loose contact.
The advantage of the additional aspect of the present invention will be set forth in part in the description, and will partly become from the following descriptionObtain substantially, or recognized by the practice of the present invention.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to endSame or similar label represents same or similar element or the element with same or like function.Below with reference to attachedThe embodiment of figure description is exemplary, it is intended to for explaining the present invention, and be not considered as limiting the invention.
Contacted with reference to the accompanying drawings to describe Temperature Failure or radiator in the air conditioner proposed according to embodiments of the present inventionThe detection means of Temperature Failure or radiator loose contact and with the detection means in bad detection method, air conditionerAir conditioner.
Fig. 1 is the stream of Temperature Failure or the detection method of radiator loose contact in air conditioner according to embodiments of the present inventionCheng Tu.
In an embodiment of the present invention, as shown in Fig. 2 air conditioner may include compressor 1, for driving compressor operationFrequency-variable module (not specifically illustrated in figure), the refrigerant radiating module 8 for being radiated to frequency-variable module, temperature sensor 7, refrigerant dissipateThermal modules 8 may include refrigerant pipeline 4 and radiator 5, and refrigerant pipeline 4 is arranged in radiator 5 and is in contact with radiator 5, temperatureDegree sensor 7 is used for the temperature value for detecting radiator.
Referring to Fig. 2, air conditioner may also include indoor heat exchanger 2, throttle part 3 and outdoor heat exchanger 6.Wherein, air-conditioning is worked asWhen device is run in a chiller mode, outdoor heat exchanger 2 is as condenser, and the gaseous state to the HTHP to being come out from compressor is coldMatchmaker is radiated, and the refrigerant after radiating gets in external heat exchanger (evaporator) evaporation suction after throttle part 3 carries out reducing pressure by regulating flowThermosetting low-temp low-pressure gaseous coolant, then the low-temp low-pressure gaseous coolant return in compressor 1.When air conditioner is with heating modeDuring operation, indoor heat exchanger 6 is as condenser, to be radiated to the high pressure gaseous refrigerant come out from compressor 1, after radiatingRefrigerant by throttle part 3 carry out reducing pressure by regulating flow after, into outdoor heat exchanger (evaporator) evaporative heat loss formation low-temp low-pressureGaseous coolant, then the low-temp low-pressure gaseous coolant return in compressor 1.
As shown in figure 1, Temperature Failure or the detection method of radiator loose contact can in the air conditioner of the embodiment of the present inventionComprise the following steps：
S1, after the start-up command of compressor is received, TEMP when obtaining the first preset time after compressor startThe first temperature value and current outdoor environment temperature of device detection.Wherein, the first preset time can be demarcated according to actual conditions.
Specifically, in the first preset time of compressor start, by setting temperature sensor on a heat sink to detectThe temperature of radiator, is designated as the first temperature value T1, and obtain current outdoor environment temperature T2 by outdoor environment temperature sensor.
S2, judges whether the temperature gap between the first temperature value and current outdoor environment temperature is less than the first temperature thresholdValue, wherein, the first temperature threshold can be demarcated according to actual conditions.
S3, if the temperature gap between the first temperature value and current outdoor environment temperature is less than the first temperature threshold,The minimum temperature value of temperature sensor detection in the second preset time after compressor start is obtained, and from getting minimum temperatureBeing worth the corresponding time starts timing, when timing time reaches three preset times, obtains the second temperature of temperature sensor detectionAngle value.Wherein, the second preset time and the 3rd preset time can be demarcated according to actual conditions.
According to one embodiment of present invention, if temperature gap between the first temperature value and current outdoor environment temperatureMore than or equal to the first temperature threshold, then judge that temperature sensor is in normal condition and radiator is contacted well with refrigerant pipeline.
Specifically, after the first temperature value T1 and current outdoor environment temperature T2 is got, calculate between the twoTemperature gap, and temperature gap is judged.Wherein, if the temperature threshold a of T1-T2 >=first, illustrate that temperature value is detectedNormally, i.e., temperature sensor is in normal condition and radiator is contacted well with refrigerant pipeline, and now can control compressor can be justOften operation.If T1-T2 ＜ a, obtain in the second preset time t 2 after compressor start, the minimum of temperature sensor detectionTemperature value Tmin, and at the time of minimum temperature value is got timing, when timing time reaches three preset time ts 3,Obtain the second temperature value T ' of temperature sensor detection.
It should be noted that when judging T1-T2 ＜ a, it may be possible to because air conditioner unexpected power down before start, andAfter compressor start, the running frequency of compressor is relatively low, and the temperature value of radiator does not reach the temperature value before power down, so,The temperature value of radiator within compressor start operation a period of time is gradually reduced.When the running frequency of compressor reachesDuring certain value, the temperature value of radiator can gradually rise, and now temperature sensor will detect a minimum temperature value Tmin.Therefore, it can judge that temperature sensor or radiator are contacted with refrigerant pipeline according to the temperature change value in start a period of timeBad phenomenon.
S4, judges whether the temperature gap between second temperature value and minimum temperature value is less than second temperature threshold value.Wherein,Second temperature threshold value can be demarcated according to actual conditions.
S5, if the temperature gap between second temperature value and minimum temperature value is less than second temperature threshold value, judges temperatureSpend sensor failure or radiator and refrigerant pipeline loose contact.
According to one embodiment of present invention, if the temperature gap between second temperature value and minimum temperature value is more than etc.In second temperature threshold value, then judge that temperature sensor is in normal condition and radiator is contacted well with refrigerant pipeline.
Specifically, minimum temperature value Tmin and second temperature value T ' are being got afterwards, is calculating temperature between the twoDifference, and temperature gap is judged.Wherein, if T '-Tmin >=second temperature threshold value b, temperature value detection is being illustrated justOften, i.e., temperature sensor is in normal condition and radiator is contacted well with refrigerant pipeline, and now can control compressor can be normalOperation.If T '-Tmin ＜ b, temperature sensor fails or radiator and refrigerant pipeline loose contact are judged.
Therefore, Temperature Failure or the detection method of radiator loose contact, Neng Gou in the air conditioner of the embodiment of the present inventionAfter compressor start, contrasted first according to the temperature value and outdoor environment temperature of radiator, then, according to the timing of start oneBetween inner radiator temperature changing value, come effectively accurately determination module temperature sensor fails or module heat radiator contact notGood phenomenon.
In order to prevent refrigerant radiating module because of high temperature failure, it is ensured that the reliability of air conditioner, according to the reality of the present inventionApply in example, when judging temperature sensor fails or radiator with refrigerant pipeline loose contact, control compressor shutdown and defeatedBe out of order code.
That is, when judging temperature sensor fails or radiator with refrigerant pipeline loose contact, control compressionMachine is shut down, to prevent refrigerant radiating module because of high temperature failure, meanwhile, warning reminding can be also sent, to remind user's on-call maintenance,And corresponding failure code is exported, facilitate maintenance personal to be repaired.
To make those skilled in the art more clearly understand the present invention, Fig. 3 is according to a specific embodiment of the inventionThe flow chart of Temperature Failure or the detection method of radiator loose contact in air conditioner.As shown in figure 3, temperature is lost in the air conditionerEffect or the detection method of radiator loose contact may include following steps：
S101, compressor start.
After S102, the first preset time t 1, the temperature value T1, current outdoor environment temperature T2 of radiator are obtained.
S103, judges whether the temperature threshold a of T1-T2 >=first sets up.If it is, performing step S108；If not, performingStep S104.
S104, obtains the minimum temperature value Tmin in the second preset time t 2 after compressor start.
S105, timing is started when getting Tmin, is reached after the 3rd preset time t 3, obtains the temperature value of radiatorT′。
Whether S106, judgement >=second temperature threshold value b sets up.If it is, performing step S108；If not, performing stepS107。
S107, compressor shutdown, and export failure code.
S108, compressor is normally run.
In summary, in air conditioner according to embodiments of the present invention Temperature Failure or radiator loose contact detection sideMethod, after the start-up command of compressor is received, temperature sensor detection when obtaining the first preset time after compressor startFirst temperature value and current outdoor environment temperature, and judging the temperature difference between the first temperature value and current outdoor environment temperatureWhen value is less than the first temperature threshold, the minimum temperature of temperature sensor detection in the second preset time after compressor start is obtainedSince value, the then timing getting the minimum temperature value corresponding time, when timing time reaches three preset times, obtainThe second temperature value of temperature sensor detection, and judging the temperature gap between second temperature value and minimum temperature value less than theDuring two temperature thresholds, temperature sensor fails or radiator and refrigerant pipeline loose contact are judged.Thus, this method can be accurateIt is really effective to judge temperature sensor fails or radiator and the phenomenon of refrigerant pipeline loose contact.
Fig. 4 is the side of Temperature Failure or the detection means of radiator loose contact in air conditioner according to embodiments of the present inventionFrame schematic diagram.
In an embodiment of the present invention, air conditioner may include compressor, the frequency-variable module for driving compressor operation, useIn the refrigerant radiating module, the temperature sensor that are radiated to frequency-variable module, refrigerant radiating module may include refrigerant pipeline and radiator,Refrigerant pipeline is arranged in radiator and is in contact with radiator, and temperature sensor is used for the temperature value for detecting radiator.
As shown in figure 4, Temperature Failure or the detection means of radiator loose contact can in the air conditioner of the embodiment of the present inventionIncluding：Acquisition module 10 and judge module 20.
Wherein, acquisition module 10 is used for after the start-up command of compressor is received, and first is pre- after acquisition compressor startIf temperature sensor is detected during the time the first temperature value and current outdoor environment temperature.Judge module 20 is used to judge the first temperatureWhether the temperature gap between angle value and current outdoor environment temperature is less than the first temperature threshold.Acquisition module 10 is additionally operable to when theWhen temperature gap between one temperature value and current outdoor environment temperature is less than the first temperature threshold, obtain after compressor startThe minimum temperature value that temperature sensor is detected in second preset time, and counted since being got the minimum temperature value corresponding timeWhen, when timing time reaches three preset times, obtain the second temperature value of temperature sensor detection.Judge module 20 is also usedIn judge the temperature gap between second temperature value and minimum temperature value whether be less than second temperature threshold value, wherein, if secondTemperature gap between temperature value and minimum temperature value is less than second temperature threshold value, and judge module 20 then judges that temperature sensor losesEffect or radiator and refrigerant pipeline loose contact.
According to one embodiment of present invention, if temperature gap between the first temperature value and current outdoor environment temperatureMore than or equal to the first temperature threshold, judge module 20 then judges that temperature sensor is in normal condition and radiator and refrigerant pipelineContact is good.
According to one embodiment of present invention, if the temperature gap between second temperature value and minimum temperature value is more than etc.In second temperature threshold value, judge module 20 then judges that temperature sensor is in normal condition and radiator contacts good with refrigerant pipelineIt is good.
According to one embodiment of present invention, as shown in figure 5, Temperature Failure or radiator are contacted not in above-mentioned air conditionerGood detection means also includes：Control module 30, control module 30 be used for judge module 20 judge temperature sensor fails orWhen person's radiator is with refrigerant pipeline loose contact, controls compressor shutdown and export failure code.
It should be noted that Temperature Failure or the detection means of radiator loose contact in the air conditioner of the embodiment of the present inventionIn the details that does not disclose, refer to Temperature Failure or the detection method of radiator loose contact in the air conditioner of the embodiment of the present inventionDisclosed in details, specifically repeat no more here.
Temperature Failure or the detection means of radiator loose contact, are being received in air conditioner according to embodiments of the present inventionAfter the start-up command of compressor, the first of temperature sensor detection when acquisition module obtains the first preset time after compressor startTemperature value and current outdoor environment temperature, and judge the temperature between the first temperature value and current outdoor environment temperature in judge moduleWhen spending difference less than the first temperature threshold, acquisition module obtains temperature sensor inspection in the second preset time after compressor startThe minimum temperature value of survey, the then timing since being got the minimum temperature value corresponding time, when timing time reaches that the 3rd is pre-If during the time, obtaining the second temperature value of temperature sensor detection, and judge second temperature value and minimum temperature in judge moduleWhen temperature gap between value is less than second temperature threshold value, judge that temperature sensor fails or radiator are contacted with refrigerant pipelineIt is bad.Thus, the device can accurately and effectively judge temperature sensor fails or radiator and refrigerant pipeline loose contactPhenomenon.
In addition, embodiments of the invention also proposed a kind of computer-readable recording medium, with being stored in finger thereinOrder, when executed, the detection method of the above-mentioned Temperature Failure of air conditioner execution or radiator loose contact.
The computer-readable recording medium of the embodiment of the present invention, by performing, above-mentioned Temperature Failure or radiator are contacted notGood detection method, can accurately and effectively judge showing for temperature sensor fails or radiator and refrigerant pipeline loose contactAs.
In addition, embodiments of the invention also proposed a kind of air conditioner, it includes above-mentioned Temperature Failure or radiator connectsTouch bad detection means.
The air conditioner of the embodiment of the present invention, passes through above-mentioned Temperature Failure or the detection means of radiator loose contact, energyIt is enough accurately and effectively to judge temperature sensor fails or radiator and the phenomenon of refrigerant pipeline loose contact.
It should be appreciated that each several part of the present invention can be realized with hardware, software, firmware or combinations thereof.Above-mentionedIn embodiment, the software that multiple steps or method can in memory and by suitable instruction execution system be performed with storageOr firmware is realized.If, and in another embodiment, can be with well known in the art for example, realized with hardwareAny one of row technology or their combination are realized：With the logic gates for realizing logic function to data-signalDiscrete logic, the application specific integrated circuit with suitable combinational logic gate circuit, programmable gate array (PGA), sceneProgrammable gate array (FPGA) etc..
In addition, in the description of the invention, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness "," on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " clockwise ", " inverse timeThe orientation or position relationship of the instruction such as pin ", " axial direction ", " radial direction ", " circumference " be based on orientation shown in the drawings or position relationship,It is for only for ease of the description present invention and simplifies description, rather than to indicate or imply that signified device or element must have specificOrientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importanceOr the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express orImplicitly include at least one this feature.In the description of the invention, " multiple " are meant that at least two, such as two, threeIt is individual etc., unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be that machinery connectsConnect or electrically connect；Can be joined directly together, can also be indirectly connected to by intermediary, can be in two elementsThe connection in portion or the interaction relationship of two elements, unless otherwise clear and definite restriction.For one of ordinary skill in the artFor, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature can be with "above" or "below" second featureIt is that the first and second features are directly contacted, or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature existsSecond feature " on ", " top " and " above " but fisrt feature are directly over second feature or oblique upper, or be merely representative ofFisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can beOne feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically showThe description of example " or " some examples " etc. means to combine specific features, structure, material or the spy that the embodiment or example are describedPoint is contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term notIdentical embodiment or example must be directed to.Moreover, specific features, structure, material or the feature of description can be with officeCombined in an appropriate manner in one or more embodiments or example.In addition, in the case of not conflicting, the skill of this areaArt personnel can be tied the not be the same as Example or the feature of example and non-be the same as Example or example described in this specificationClose and combine.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is exampleProperty, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentionedEmbodiment is changed, changed, replacing and modification.