CN106871372A - The recognition methods of air-conditioning system and its exhaust gas temperature sensor - Google Patents

The recognition methods of air-conditioning system and its exhaust gas temperature sensor Download PDF

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Publication number
CN106871372A
CN106871372A CN201710157927.XA CN201710157927A CN106871372A CN 106871372 A CN106871372 A CN 106871372A CN 201710157927 A CN201710157927 A CN 201710157927A CN 106871372 A CN106871372 A CN 106871372A
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CN
China
Prior art keywords
value
air
exhaust
compressor
conditioning system
Prior art date
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Pending
Application number
CN201710157927.XA
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Chinese (zh)
Inventor
李华勇
许永锋
梁伯启
蒋运鹏
程威
张嘉诚
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Guangdong Midea HVAC Equipment Co Ltd
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Guangdong Midea HVAC Equipment Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by Guangdong Midea HVAC Equipment Co Ltd filed Critical Guangdong Midea HVAC Equipment Co Ltd
Priority to CN201710157927.XA priority Critical patent/CN106871372A/en
Publication of CN106871372A publication Critical patent/CN106871372A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/62Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/30Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/62Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63Electronic processing
    • F24F11/64Electronic processing using pre-stored data

Abstract

The invention discloses a kind of recognition methods of the exhaust gas temperature sensor of air-conditioning system, comprise the following steps:Air-conditioning system successively opens the first compressor and the second compressor;Within the air-conditioning system start operation scheduled time, the first exhaust temperature change value of first compressor is detected by first exhaust temperature sensor, and the second exhaust temperature change value of second compressor is detected by second exhaust temperature sensor;When the relatively described second exhaust temperature change value of the first exhaust temperature change value first reaches predetermined value, then judge that the first exhaust temperature sensor is main exhaust gas temperature sensor.The invention also discloses a kind of air-conditioning system.The present invention can avoid the occurrence of the phenomenon misidentified to the delivery temperature of compressor, so as to improve the reliability of air-conditioning system.

Description

The recognition methods of air-conditioning system and its exhaust gas temperature sensor
Technical field
The present invention relates to refrigeration technology field, more particularly to a kind of air-conditioning system and its exhaust gas temperature sensor identification side Method.
Background technology
Multi-online air-conditioning system with two or more compressor, due to the exhaust gas temperature sensor that each compressor is used It is the same, it is thus typically necessary to carried out correspondingly according to the mark in the mark and circuit board on exhaust gas temperature sensor, but The phenomenon of wrong easily occurs when during Workshop Production or market is repaired.In addition, empty for the multi-connected machine with multiple compressors Adjusting system, in the case where only a frequency-changeable compressor is opened, effective delivery temperature is easily identified as the compressor do not opened Delivery temperature, in this way, can then cause the delivery temperature of the compressor that can not normally recognize unlatching, so as to air-conditioning system can be influenceed Reliability.
The content of the invention
A kind of recognition methods it is a primary object of the present invention to provide air-conditioning system and its exhaust gas temperature sensor, it is intended to The phenomenon misidentified to the delivery temperature of compressor is avoided the occurrence of, to improve the reliability of air-conditioning system.
To achieve the above object, the present invention provides a kind of recognition methods of the exhaust gas temperature sensor of air-conditioning system, including Following steps:
Air-conditioning system successively opens the first compressor and the second compressor;
Within the air-conditioning system start operation scheduled time, first pressure is detected by first exhaust temperature sensor The first exhaust temperature change value of contracting machine, and the second row of second compressor is detected by second exhaust temperature sensor Gas temperature change value;
When the relatively described second exhaust temperature change value of the first exhaust temperature change value first reaches predetermined value, then sentence The fixed first exhaust temperature sensor is main exhaust gas temperature sensor.
Preferably, it is described within the air-conditioning system start operation scheduled time, examined by first exhaust temperature sensor The first exhaust temperature change value of first compressor is surveyed, and second pressure is detected by second exhaust temperature sensor The step of second exhaust temperature change value of contracting machine, includes:
Within the air-conditioning system start scheduled time, first compressor is obtained by first exhaust temperature sensor Maximum exhaust temperature value and minimum outlet air temperature, and second compressor is obtained by second exhaust temperature sensor Maximum exhaust temperature value and minimum outlet air temperature;
The difference calculated between the maximum exhaust temperature value of first compressor and minimum outlet air temperature obtains first Exhaust gas temperature change value, the difference calculated between the maximum exhaust temperature value of second compressor and minimum outlet air temperature is obtained To second exhaust temperature change value.
Preferably, it is described first reached in the relatively described second exhaust temperature change value of the first exhaust temperature change value it is pre- During definite value, then the step of judge the first exhaust temperature sensor as main exhaust gas temperature sensor before also include:
Obtain the very first time value that the first exhaust temperature change value reaches predetermined value, and the second exhaust temperature Changing value reaches the second time value of predetermined value;
Compare the magnitude relationship of the very first time value and the second time value;
When the very first time, value was less than second time value, judge that the first exhaust temperature change value first reaches Predetermined value.
Preferably, it is described first reached in the relatively described second exhaust temperature change value of the first exhaust temperature change value it is pre- During definite value, then the step of judge the first exhaust temperature sensor as main exhaust gas temperature sensor after also include:
If air-conditioning system also opens the 3rd compressor after the second compressor is opened, sensed by the 3rd delivery temperature Device detects the 3rd exhaust gas temperature change value of the 3rd compressor;
When the relatively described 3rd exhaust gas temperature change value of the second exhaust temperature change value first reaches predetermined value, then sentence The fixed second exhaust temperature change value is from exhaust gas temperature sensor.
Preferably, the recognition methods of the exhaust gas temperature sensor of the air-conditioning system also includes:
Obtain the power cut-off information of the air-conditioning system;
If there is not off-position in the air-conditioning system, the identification decision when air-conditioning system is started shooting for the first time Exhaust gas temperature sensor is used as main exhaust temperature sensor.
To achieve the above object, the present invention also provides a kind of air-conditioning system, and the air-conditioning system includes:
Starting module, the first compressor and the second compressor are successively opened for air-conditioning system;
Detection module, within the air-conditioning system start operation scheduled time, by first exhaust temperature sensor The first exhaust temperature change value of first compressor is detected, and described second is detected by second exhaust temperature sensor The second exhaust temperature change value of compressor;
Judge module, for first being reached in the relatively described second exhaust temperature change value of the first exhaust temperature change value During predetermined value, then judge that the first exhaust temperature sensor is main exhaust gas temperature sensor.
Preferably, the detection module includes:
Acquiring unit, within the air-conditioning system start scheduled time, being obtained by first exhaust temperature sensor The maximum exhaust temperature value of first compressor and minimum outlet air temperature, and obtained by second exhaust temperature sensor The maximum exhaust temperature value of second compressor and minimum outlet air temperature;
Computing unit, for calculating between the maximum exhaust temperature value of first compressor and minimum outlet air temperature Difference obtains first exhaust temperature change value, calculates the maximum exhaust temperature value and minimum outlet air temperature of second compressor Between difference obtain second exhaust temperature change value.
Preferably, the air-conditioning system also includes:
Acquisition module, the very first time value of predetermined value, Yi Jisuo are reached for obtaining the first exhaust temperature change value State the second time value that second exhaust temperature change value reaches predetermined value;
Comparison module, the magnitude relationship for comparing the very first time value and the second time value;
The judge module, is additionally operable to, when the very first time value is less than second time value, judge described first Exhaust gas temperature change value first reaches predetermined value.
Preferably, the detection module is additionally operable to:
If air-conditioning system also opens the 3rd compressor after the second compressor is opened, sensed by the 3rd delivery temperature Device detects the 3rd exhaust gas temperature change value of the 3rd compressor;
The judge module, is additionally operable in the relatively described 3rd exhaust gas temperature change value of the second exhaust temperature change value When first reaching predetermined value, then judge the second exhaust temperature change value as from exhaust gas temperature sensor.
Preferably, the air-conditioning system also includes:
Acquisition module, the power cut-off information for obtaining the air-conditioning system;
The judge module, if being additionally operable to the air-conditioning system off-position did not occurred, by the air-conditioning system The exhaust gas temperature sensor of identification decision is used as main exhaust temperature sensor when once starting shooting.
The recognition methods of air-conditioning system and its exhaust gas temperature sensor that the present invention is provided, is successively opened by air-conditioning system First compressor and the second compressor, then within the air-conditioning system start operation scheduled time, by first row temperature Degree sensor detects the first exhaust temperature change value of first compressor, and is detected by second exhaust temperature sensor The second exhaust temperature change value of second compressor, and in the relatively described second exhaust of the first exhaust temperature change value When temperature change value first reaches predetermined value, judge that the first exhaust temperature sensor is main exhaust gas temperature sensor.So, no The phenomenon of the easy artificial operation wrong for occurring when Workshop Production or market are repaired can be only avoided, can also be avoided to compression The phenomenon that the delivery temperature of machine is misidentified, and then improve the reliability of air-conditioning system.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of the recognition methods first embodiment of the exhaust gas temperature sensor of air-conditioning system of the present invention;
Fig. 2 be Fig. 1 in step air-conditioning system start operation the scheduled time in, detected by first exhaust temperature sensor The first exhaust temperature change value of the first compressor, and detect the second of the second compressor by second exhaust temperature sensor The refinement schematic flow sheet of exhaust gas temperature change value;
Fig. 3 is the schematic flow sheet of the recognition methods second embodiment of the exhaust gas temperature sensor of air-conditioning system of the present invention;
Fig. 4 is the schematic flow sheet of the recognition methods 3rd embodiment of the exhaust gas temperature sensor of air-conditioning system of the present invention;
Fig. 5 is the schematic flow sheet of the recognition methods fourth embodiment of the exhaust gas temperature sensor of air-conditioning system of the present invention;
Fig. 6 is the high-level schematic functional block diagram of air-conditioning system first embodiment of the present invention;
Fig. 7 is the refinement high-level schematic functional block diagram of detection module in Fig. 6;
Fig. 8 is the high-level schematic functional block diagram of air-conditioning system second embodiment of the present invention.
The realization of the object of the invention, functional characteristics and advantage will be described further referring to the drawings in conjunction with the embodiments.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
Reference picture 1, in one embodiment, the recognition methods of the exhaust gas temperature sensor of the air-conditioning system includes following step Suddenly:
Step S1, air-conditioning system successively open the first compressor and the second compressor;
In the present embodiment, air-conditioning system first opens the first compressor after upper electricity is first powered on, then in interval time t1 As in 30~60S, the second compressor is opened.Certainly, interval time t1 is not limited to the concrete numerical value enumerated in the present embodiment Scope, in other embodiments, can rationally be set according to actual needs.
In the present embodiment, the first compressor and the second compressor can be frequency-changeable compressor, or invariable frequency compressor, The present embodiment is preferably frequency-changeable compressor.The quantity of the compressor that the present invention is referred to includes two and two or more.
Wherein, the first compressor and the second compressor do not preset, but the compressor that will first open is referred to as One compressor, the compressor opened afterwards is referred to as the second compressor, to facilitate the specific descriptions of the present invention program.
Step S2, the air-conditioning system start operation scheduled time in, by first exhaust temperature sensor detect institute The first exhaust temperature change value of the first compressor is stated, and second compressor is detected by second exhaust temperature sensor Second exhaust temperature change value;
In the present embodiment, first exhaust temperature sensor can be arranged on the first compressor body, it is also possible to be arranged at On the blast pipe of the first compressor, similarly, second exhaust temperature sensor can be arranged on the second compressor body, also may be used To be arranged on the blast pipe of the second compressor.
Wherein, scheduled time t2 can be in 60~120S, certainly, scheduled time t2 be not limited to be arranged in the present embodiment The concrete numerical value scope of act, in other embodiments, can rationally be set according to actual needs.
In the present embodiment, exhaust gas temperature change value can be according between the maxima and minima obtained in the scheduled time Difference;It can also be the difference between the temperature value obtained first in the scheduled time and the temperature value for obtaining for the last time;Also Can be the difference of the adjacent temperature value for obtaining twice in the scheduled time, and the average value for finally calculating.
In the present embodiment, during first exhaust temperature sensor detection first exhaust temperature change value, without in the second compression Machine is carried out on the premise of also starting, as long as reaching the scheduled time in the time of air-conditioning system start operation, then starts acquisition first Exhaust gas temperature change value.Certainly, in other embodiments, it is also possible in the first compressor and the equal startup optimization of the second compressor And after reaching the scheduled time, just start to calculate exhaust gas temperature change value, the present invention is to this and is not especially limited, specifically can be with root Rationally set according to the actual set of the scheduled time.
Step S3, first reach predetermined value in the relatively described second exhaust temperature change value of the first exhaust temperature change value When, then judge that the first exhaust temperature sensor is main exhaust gas temperature sensor.
In the present embodiment, first exhaust temperature change value and the second exhaust temperature change value, which elder generation are being judged When reaching predetermined value, time value when each exhaust gas temperature change value reaches predetermined value can be obtained, and compare the big of time value It is small, when time value is smaller, judge that corresponding exhaust gas temperature change value first reaches predetermined value;Can also in real time or periodic monitor the One exhaust gas temperature change value and second exhaust temperature change value, once monitor that first exhaust temperature change value Δ T1 is more than or waits In predetermined value Ts, i.e. Δ T1 >=Δ Ts, then judge that first exhaust temperature change value first reaches predetermined value, or monitor second exhaust Temperature change value Δ T2 is more than or equal to predetermined value Ts, i.e. Δ T2 >=Δ Ts, then judge that second exhaust temperature change value first reaches Predetermined value, now, the monitoring of first exhaust temperature change value and second exhaust temperature change value needs to carry out simultaneously.
In the present embodiment, the exhaust gas temperature sensor that exhaust gas temperature change value first reaches predetermined value is defined as main exhaust temperature Degree sensor, wherein, the concept of main exhaust temperature sensor is corresponded to for the compressor for first starting.It should be appreciated that When air-conditioning system has multiple compressors and each self-corresponding exhaust gas temperature sensor, substantially had no between each compressor Master slave relation, for ease of understanding, the corresponding exhaust gas temperature sensor of compressor that will first start is set as main exhaust temperature to the present invention Degree sensor, and the corresponding exhaust gas temperature sensor of the compressor of rear startup is set as from exhaust gas temperature sensor, therefore, only It is to be set from the order for starting.So, relative in the prior art, it is necessary to mark on exhaust gas temperature sensor and Mark on circuit board carries out corresponding situation, and the present invention can avoid the people easily occurred when Workshop Production or market are repaired Work operates the phenomenon of wrong, but directly according to the boot sequence of air-conditioning system compressor in actual moving process, Yi Jipai Whether gas temperature change value first reaches setting value, directly judges the corresponding exhaust gas temperature sensor of compressor for first starting, from And avoid misidentifying the delivery temperature of compressor, and then improve the reliability of air-conditioning system.
The recognition methods of the exhaust gas temperature sensor of the air-conditioning system that the present invention is provided, the is successively opened by air-conditioning system One compressor and the second compressor, then within the air-conditioning system start operation scheduled time, by first exhaust temperature Sensor detects the first exhaust temperature change value of first compressor, and detects institute by second exhaust temperature sensor The second exhaust temperature change value of the second compressor is stated, and in the relatively described second row temperature of the first exhaust temperature change value When degree changing value first reaches predetermined value, judge that the first exhaust temperature sensor is main exhaust gas temperature sensor.So, not only The phenomenon of the easy artificial operation wrong for occurring when Workshop Production or market are repaired can be avoided, can also be avoided to compressor The phenomenon that is misidentified of delivery temperature, and then improve the reliability of air-conditioning system.
In one embodiment, as shown in Fig. 2 on the basis of shown in above-mentioned Fig. 1, the step S2 includes:
Step S21, within the air-conditioning system start scheduled time, obtain described the by first exhaust temperature sensor The maximum exhaust temperature value of one compressor and minimum outlet air temperature, and obtain described the by second exhaust temperature sensor The maximum exhaust temperature value of two compressors and minimum outlet air temperature;
In the present embodiment, in air-conditioning system start scheduled time t2 such as 60~120S, by located at the first compressor sheet First exhaust temperature sensor on body or the first compressor exhaust pipe is in real time or timing detects the exhaust of first compressor Temperature value, and therefrom obtain maximum exhaust temperature value and minimum outlet air temperature;Similarly, by located at the second compressor body Or the second second exhaust temperature sensor on compressor exhaust pipe is in real time or timing detects the exhaust temperature of second compressor Angle value, and therefrom obtain maximum exhaust temperature value and minimum outlet air temperature.
Difference between step S22, the maximum exhaust temperature value for calculating first compressor and minimum outlet air temperature First exhaust temperature change value is obtained, is calculated between the maximum exhaust temperature value of second compressor and minimum outlet air temperature Difference obtain second exhaust temperature change value.
In the present embodiment, for the first compressor, calculate the maximum exhaust temperature value that obtains and minimum outlet air temperature it Between difference obtain first exhaust temperature change value, or difference between minimum outlet air temperature and maximum exhaust temperature value is obtained First exhaust temperature change value;For the second compressor, likewise it is possible to calculate the maximum exhaust temperature value and most float of acquisition Difference between temperature value is obtained between second exhaust temperature change value, or minimum outlet air temperature and maximum exhaust temperature value Difference obtain second exhaust temperature change value.
In one embodiment, as shown in figure 3, on the basis of shown in above-mentioned Fig. 1, also including before the step S3:
Step S4, the acquisition first exhaust temperature change value reach the very first time value of predetermined value, and described second Exhaust gas temperature change value reaches the second time value of predetermined value;
In the present embodiment, can in real time or first exhaust temperature change value described in periodic monitor or second temperature changing value are It is no to reach predetermined value, once monitoring that first exhaust temperature change value or second temperature changing value reach predetermined value, then obtain right The time of predetermined value should be reached:Very first time value, the second time value.
The magnitude relationship of very first time value and the second time value described in step S5, comparing;
Step S6, when the very first time, value was less than second time value, judge the first exhaust temperature change Value first reaches predetermined value.
In the present embodiment, when very first time value and the second time value is got, relatively more described very first time value and second The magnitude relationship of time value, when judging that the very first time value is less than the second time value, judges that the first exhaust temperature becomes Change value first reaches predetermined value.If conversely, judging the very first time value more than the second time value, judging that second exhaust temperature becomes Change value first reaches predetermined value, now, shows end value for exceptional value, it is necessary to reacquire very first time value and the second time value, And compare relation therebetween.
In one embodiment, as shown in figure 4, on the basis of shown in above-mentioned Fig. 1 or Fig. 3, also being wrapped after the step S3 Include:
If step S7, air-conditioning system also open the 3rd compressor after the second compressor is opened, by the 3rd exhaust Temperature sensor detects the 3rd exhaust gas temperature change value of the 3rd compressor;
In the present embodiment, when air-conditioning system has three and three with first-class multiple compressors, identifying first After the first compressor opened, other multiple compressors, such as air-conditioning system can also be identified using the solution of the present invention correspondence The 3rd compressor is also opened after the second compressor is opened, then the 3rd compression is detected by the 3rd exhaust gas temperature sensor 3rd exhaust gas temperature change value of machine.Wherein, the acquisition methods of the 3rd exhaust gas temperature change value are referred to example is performed as described above and retouch The scheme stated is implemented, in other embodiments, it is also possible to be set to other rational methods according to actual needs, it is, of course, preferable to real Apply in example, the acquisition of the 3rd exhaust gas temperature change value should be identical with the acquisition modes of second exhaust temperature change value, to facilitate It is compared under same benchmark.
Step S8, first reach predetermined value in the relatively described 3rd exhaust gas temperature change value of the second exhaust temperature change value When, then judge the second exhaust temperature change value as from exhaust gas temperature sensor.
In the present embodiment, when second exhaust temperature change value first reaches predetermined value with respect to the 3rd exhaust gas temperature change value, Then judge second exhaust temperature change value as from exhaust gas temperature sensor.Wherein, it is relative to main row from exhaust gas temperature sensor The relative concept of gas temperature sensor, it is assumed that the main exhaust temperature sensor (first exhaust temperature sensor) that aforementioned identification goes out is Mark 1, then, second exhaust temperature sensor is mark 2 herein, and the like, in this way, can successively by other multiples row Gas temperature sensor is identified.
In one embodiment, as shown in figure 5, on the basis of shown in above-mentioned Fig. 1, Fig. 3 or Fig. 4, after the step S3 Also include:
Step S9, the power cut-off information for obtaining the air-conditioning system;
In the present embodiment, power cut-off information can include power failure or user by information such as attaching plug extractions.
If off-position did not occurred in step S10, the air-conditioning system, know when the air-conditioning system is started shooting for the first time The exhaust gas temperature sensor not judged is used as main exhaust temperature sensor.
In the present embodiment, if above off-position did not occurred in the air-conditioning system, will can be established by cable in air-conditioning system The exhaust gas temperature sensor identified after machine is defaulted as main exhaust temperature sensor, and need not re-execute each step of the above;If There is above off-position in air-conditioning system, then need to re-execute the step of more than present invention correspondence.
To achieve the above object, reference picture 6, the present invention also provides a kind of air-conditioning system 100, in one embodiment, described Air-conditioning system 100 includes:
Starting module 10, the first compressor and the second compressor are successively opened for air-conditioning system;
In the present embodiment, air-conditioning system first opens the first compressor after upper electricity is first powered on, then in interval time t1 As in 30~60S, the second compressor is opened.Certainly, interval time t1 is not limited to the concrete numerical value enumerated in the present embodiment Scope, in other embodiments, can rationally be set according to actual needs.
In the present embodiment, the first compressor and the second compressor can be frequency-changeable compressor, or invariable frequency compressor, The present embodiment is preferably frequency-changeable compressor.The quantity of the compressor that the present invention is referred to includes two and two or more.
Wherein, the first compressor and the second compressor do not preset, but the compressor that will first open is referred to as One compressor, the compressor opened afterwards is referred to as the second compressor, to facilitate the specific descriptions of the present invention program.
Detection module 20, within the air-conditioning system start operation scheduled time, by first exhaust TEMP Device detects the first exhaust temperature change value of first compressor, and detects described the by second exhaust temperature sensor The second exhaust temperature change value of two compressors;
In the present embodiment, first exhaust temperature sensor can be arranged on the first compressor body, it is also possible to be arranged at On the blast pipe of the first compressor, similarly, second exhaust temperature sensor can be arranged on the second compressor body, also may be used To be arranged on the blast pipe of the second compressor.
Wherein, scheduled time t2 can be in 60~120S, certainly, scheduled time t2 be not limited to be arranged in the present embodiment The concrete numerical value scope of act, in other embodiments, can rationally be set according to actual needs.
In the present embodiment, exhaust gas temperature change value can be according between the maxima and minima obtained in the scheduled time Difference;It can also be the difference between the temperature value obtained first in the scheduled time and the temperature value for obtaining for the last time;Also Can be the difference of the adjacent temperature value for obtaining twice in the scheduled time, and the average value for finally calculating.
In the present embodiment, during first exhaust temperature sensor detection first exhaust temperature change value, without in the second compression Machine is carried out on the premise of also starting, as long as reaching the scheduled time in the time of air-conditioning system start operation, then starts acquisition first Exhaust gas temperature change value.Certainly, in other embodiments, it is also possible in the first compressor and the equal startup optimization of the second compressor And after reaching the scheduled time, just start to calculate exhaust gas temperature change value, the present invention is to this and is not especially limited, specifically can be with root Rationally set according to the actual set of the scheduled time.
Judge module 30, for first being reached in the relatively described second exhaust temperature change value of the first exhaust temperature change value During to predetermined value, then judge that the first exhaust temperature sensor is main exhaust gas temperature sensor.
In the present embodiment, first exhaust temperature change value and the second exhaust temperature change value, which elder generation are being judged When reaching predetermined value, time value when each exhaust gas temperature change value reaches predetermined value can be obtained, and compare the big of time value It is small, when time value is smaller, judge that corresponding exhaust gas temperature change value first reaches predetermined value;Can also in real time or periodic monitor the One exhaust gas temperature change value and second exhaust temperature change value, once monitor that first exhaust temperature change value Δ T1 is more than or waits In predetermined value Ts, i.e. Δ T1 >=Δ Ts, then judge that first exhaust temperature change value first reaches predetermined value, or monitor second exhaust Temperature change value Δ T2 is more than or equal to predetermined value Ts, i.e. Δ T2 >=Δ Ts, then judge that second exhaust temperature change value first reaches Predetermined value, now, the monitoring of first exhaust temperature change value and second exhaust temperature change value needs to carry out simultaneously.
In the present embodiment, the exhaust gas temperature sensor that exhaust gas temperature change value first reaches predetermined value is defined as main exhaust temperature Degree sensor, wherein, the concept of main exhaust temperature sensor is corresponded to for the compressor for first starting.It should be appreciated that When air-conditioning system has multiple compressors and each self-corresponding exhaust gas temperature sensor, substantially had no between each compressor Master slave relation, for ease of understanding, the corresponding exhaust gas temperature sensor of compressor that will first start is set as main exhaust temperature to the present invention Degree sensor, and the corresponding exhaust gas temperature sensor of the compressor of rear startup is set as from exhaust gas temperature sensor, therefore, only It is to be set from the order for starting.So, relative in the prior art, it is necessary to mark on exhaust gas temperature sensor and Mark on circuit board carries out corresponding situation, and the present invention can avoid the people easily occurred when Workshop Production or market are repaired Work operates the phenomenon of wrong, but directly according to the boot sequence of air-conditioning system compressor in actual moving process, Yi Jipai Whether gas temperature change value first reaches setting value, directly judges the corresponding exhaust gas temperature sensor of compressor for first starting, from And avoid misidentifying the delivery temperature of compressor, and then improve the reliability of air-conditioning system.
The air-conditioning system that the present invention is provided, successively opens the first compressor and the second compressor, so by air-conditioning system Afterwards within the air-conditioning system start operation scheduled time, first compressor is detected by first exhaust temperature sensor First exhaust temperature change value, and the second exhaust temperature of second compressor is detected by second exhaust temperature sensor Changing value, and when the relatively described second exhaust temperature change value of the first exhaust temperature change value first reaches predetermined value, sentence The fixed first exhaust temperature sensor is main exhaust gas temperature sensor.So, can not only avoid in Workshop Production or market The phenomenon of the artificial operation wrong easily occurred during maintenance, can also avoid what is misidentified to the delivery temperature of compressor from showing As, and then improve the reliability of air-conditioning system.
In one embodiment, as shown in fig. 7, on the basis of shown in above-mentioned Fig. 6, the detection module 20 includes:
Acquiring unit 201, within the air-conditioning system start scheduled time, being obtained by first exhaust temperature sensor The maximum exhaust temperature value and minimum outlet air temperature of first compressor are taken, and is obtained by second exhaust temperature sensor Take the maximum exhaust temperature value and minimum outlet air temperature of second compressor;
In the present embodiment, in air-conditioning system start scheduled time t2 such as 60~120S, by located at the first compressor sheet First exhaust temperature sensor on body or the first compressor exhaust pipe is in real time or timing detects the exhaust of first compressor Temperature value, and therefrom obtain maximum exhaust temperature value and minimum outlet air temperature;Similarly, by located at the second compressor body Or the second second exhaust temperature sensor on compressor exhaust pipe is in real time or timing detects the exhaust temperature of second compressor Angle value, and therefrom obtain maximum exhaust temperature value and minimum outlet air temperature.
Computing unit 202, for calculate first compressor maximum exhaust temperature value and minimum outlet air temperature it Between difference obtain first exhaust temperature change value, calculate the maximum exhaust temperature value and minimum exhaust temperature of second compressor Difference between angle value obtains second exhaust temperature change value.
In the present embodiment, for the first compressor, calculate the maximum exhaust temperature value that obtains and minimum outlet air temperature it Between difference obtain first exhaust temperature change value, or difference between minimum outlet air temperature and maximum exhaust temperature value is obtained First exhaust temperature change value;For the second compressor, likewise it is possible to calculate the maximum exhaust temperature value and most float of acquisition Difference between temperature value is obtained between second exhaust temperature change value, or minimum outlet air temperature and maximum exhaust temperature value Difference obtain second exhaust temperature change value.
In one embodiment, as shown in figure 8, on the basis of shown in above-mentioned Fig. 6, the air-conditioning system 100 also includes:
Acquisition module 40, the very first time value of predetermined value is reached for obtaining the first exhaust temperature change value, and The second exhaust temperature change value reaches the second time value of predetermined value;
In the present embodiment, can in real time or first exhaust temperature change value described in periodic monitor or second temperature changing value are It is no to reach predetermined value, once monitoring that first exhaust temperature change value or second temperature changing value reach predetermined value, then obtain right The time of predetermined value should be reached:Very first time value, the second time value.
Comparison module 50, the magnitude relationship for comparing the very first time value and the second time value;
The judge module 30, is additionally operable to, when the very first time value is less than second time value, judge described the One exhaust gas temperature change value first reaches predetermined value.
In the present embodiment, when very first time value and the second time value is got, relatively more described very first time value and second The magnitude relationship of time value, when judging that the very first time value is less than the second time value, judges that the first exhaust temperature becomes Change value first reaches predetermined value.If conversely, judging the very first time value more than the second time value, judging that second exhaust temperature becomes Change value first reaches predetermined value, now, shows end value for exceptional value, it is necessary to reacquire very first time value and the second time value, And compare relation therebetween.
In one embodiment, on the basis of shown in above-mentioned Fig. 6 to Fig. 8, the detection module 20 is additionally operable to:
If air-conditioning system also opens the 3rd compressor after the second compressor is opened, sensed by the 3rd delivery temperature Device detects the 3rd exhaust gas temperature change value of the 3rd compressor;
In the present embodiment, when air-conditioning system has three and three with first-class multiple compressors, identifying first After the first compressor opened, other multiple compressors, such as air-conditioning system can also be identified using the solution of the present invention correspondence The 3rd compressor is also opened after the second compressor is opened, then the 3rd compression is detected by the 3rd exhaust gas temperature sensor 3rd exhaust gas temperature change value of machine.Wherein, the acquisition methods of the 3rd exhaust gas temperature change value are referred to example is performed as described above and retouch The scheme stated is implemented, in other embodiments, it is also possible to be set to other rational methods according to actual needs, it is, of course, preferable to real Apply in example, the acquisition of the 3rd exhaust gas temperature change value should be identical with the acquisition modes of second exhaust temperature change value, to facilitate It is compared under same benchmark.
The judge module 30, is additionally operable in relatively described 3rd exhaust gas temperature change of the second exhaust temperature change value When value first reaches predetermined value, then judge the second exhaust temperature change value as from exhaust gas temperature sensor.
In the present embodiment, when second exhaust temperature change value first reaches predetermined value with respect to the 3rd exhaust gas temperature change value, Then judge second exhaust temperature change value as from exhaust gas temperature sensor.Wherein, it is relative to main row from exhaust gas temperature sensor The relative concept of gas temperature sensor, it is assumed that the main exhaust temperature sensor (first exhaust temperature sensor) that aforementioned identification goes out is Mark 1, then, second exhaust temperature sensor is mark 2 herein, and the like, in this way, can successively by other multiples row Gas temperature sensor is identified.
In one embodiment, as shown in figure 8, on the basis of shown in above-mentioned Fig. 6, the air-conditioning system 100 also includes:
Acquisition module 40, the power cut-off information for obtaining the air-conditioning system;
In the present embodiment, power cut-off information can include power failure or user by information such as attaching plug extractions.
The judge module 30, if being additionally operable to the air-conditioning system off-position did not occurred, by the air-conditioning system The exhaust gas temperature sensor of identification decision is used as main exhaust temperature sensor when starting shooting for the first time.
In the present embodiment, if above off-position did not occurred in the air-conditioning system, will can be established by cable in air-conditioning system The exhaust gas temperature sensor identified after machine is defaulted as main exhaust temperature sensor, and without re-using the work(of each module above Energy;If above off-position occurred in air-conditioning system, need to re-use more than the present invention corresponding module.
The preferred embodiments of the present invention are these are only, the scope of the claims of the invention is not thereby limited, it is every to utilize this hair Equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills Art field, is included within the scope of the present invention.

Claims (10)

1. a kind of recognition methods of the exhaust gas temperature sensor of air-conditioning system, it is characterised in that the exhaust temperature of the air-conditioning system The recognition methods for spending sensor is comprised the following steps:
Air-conditioning system successively opens the first compressor and the second compressor;
Within the air-conditioning system start operation scheduled time, first compressor is detected by first exhaust temperature sensor First exhaust temperature change value, and the second row temperature that second compressor is detected by second exhaust temperature sensor Degree changing value;
When the relatively described second exhaust temperature change value of the first exhaust temperature change value first reaches predetermined value, then institute is judged First exhaust temperature sensor is stated for main exhaust gas temperature sensor.
2. the recognition methods of the exhaust gas temperature sensor of air-conditioning system as claimed in claim 1, it is characterised in that described in institute State in the air-conditioning system start operation scheduled time, the first row of first compressor is detected by first exhaust temperature sensor Gas temperature change value, and the second exhaust temperature change value of second compressor is detected by second exhaust temperature sensor The step of include:
Within the air-conditioning system start scheduled time, first compressor is obtained most by first exhaust temperature sensor Big outlet air temperature and minimum outlet air temperature, and second compressor is obtained most by second exhaust temperature sensor Big outlet air temperature and minimum outlet air temperature;
The difference calculated between the maximum exhaust temperature value of first compressor and minimum outlet air temperature obtains first exhaust Temperature change value, calculates the difference between the maximum exhaust temperature value of second compressor and minimum outlet air temperature and obtains the Two exhaust gas temperature change values.
3. the recognition methods of the exhaust gas temperature sensor of air-conditioning system as claimed in claim 1, it is characterised in that described in institute When stating the relatively described second exhaust temperature change value of first exhaust temperature change value and first reaching predetermined value, then the first row is judged Also include before the step of gas temperature sensor is main exhaust gas temperature sensor:
Obtain the very first time value that the first exhaust temperature change value reaches predetermined value, and the second exhaust temperature change Value reaches the second time value of predetermined value;
Compare the magnitude relationship of the very first time value and the second time value;
When the very first time, value was less than second time value, judge that the first exhaust temperature change value first reaches predetermined Value.
4. the recognition methods of the exhaust gas temperature sensor of air-conditioning system as claimed in claim 1, it is characterised in that described in institute When stating the relatively described second exhaust temperature change value of first exhaust temperature change value and first reaching predetermined value, then the first row is judged Also include after the step of gas temperature sensor is main exhaust gas temperature sensor:
If air-conditioning system also opens the 3rd compressor after the second compressor is opened, examined by the 3rd exhaust gas temperature sensor Survey the 3rd exhaust gas temperature change value of the 3rd compressor;
When the relatively described 3rd exhaust gas temperature change value of the second exhaust temperature change value first reaches predetermined value, then institute is judged It is from exhaust gas temperature sensor to state second exhaust temperature change value.
5. the recognition methods of the exhaust gas temperature sensor of air-conditioning system as claimed in claim 1, it is characterised in that the air-conditioning The recognition methods of the exhaust gas temperature sensor of system also includes:
Obtain the power cut-off information of the air-conditioning system;
If there is not off-position in the air-conditioning system, the exhaust of identification decision when the air-conditioning system is started shooting for the first time Temperature sensor is used as main exhaust temperature sensor.
6. a kind of air-conditioning system, it is characterised in that the air-conditioning system includes:
Starting module, the first compressor and the second compressor are successively opened for air-conditioning system;
Detection module, within the air-conditioning system start operation scheduled time, being detected by first exhaust temperature sensor The first exhaust temperature change value of first compressor, and second compression is detected by second exhaust temperature sensor The second exhaust temperature change value of machine;
Judge module, it is predetermined for first being reached in the relatively described second exhaust temperature change value of the first exhaust temperature change value During value, then judge that the first exhaust temperature sensor is main exhaust gas temperature sensor.
7. air-conditioning system as claimed in claim 6, it is characterised in that the detection module includes:
Acquiring unit, within the air-conditioning system start scheduled time, obtaining described by first exhaust temperature sensor The maximum exhaust temperature value of the first compressor and minimum outlet air temperature, and obtain described by second exhaust temperature sensor The maximum exhaust temperature value of the second compressor and minimum outlet air temperature;
Computing unit, for calculating the difference between the maximum exhaust temperature value of first compressor and minimum outlet air temperature First exhaust temperature change value is obtained, is calculated between the maximum exhaust temperature value of second compressor and minimum outlet air temperature Difference obtain second exhaust temperature change value.
8. air-conditioning system as claimed in claim 7, it is characterised in that the air-conditioning system also includes:
Acquisition module, the very first time value of predetermined value, and described are reached for obtaining the first exhaust temperature change value Two exhaust gas temperature change values reach the second time value of predetermined value;
Comparison module, the magnitude relationship for comparing the very first time value and the second time value;
The judge module, is additionally operable to, when the very first time value is less than second time value, judge the first exhaust Temperature change value first reaches predetermined value.
9. air-conditioning system as claimed in claim 6, it is characterised in that the detection module is additionally operable to:
If air-conditioning system also opens the 3rd compressor after the second compressor is opened, examined by the 3rd exhaust gas temperature sensor Survey the 3rd exhaust gas temperature change value of the 3rd compressor;
The judge module, is additionally operable to first be reached in the relatively described 3rd exhaust gas temperature change value of the second exhaust temperature change value During to predetermined value, then judge the second exhaust temperature change value as from exhaust gas temperature sensor.
10. air-conditioning system as claimed in claim 6, it is characterised in that the air-conditioning system also includes:
Acquisition module, the power cut-off information for obtaining the air-conditioning system;
The judge module, if being additionally operable to the air-conditioning system off-position did not occurred, by the air-conditioning system for the first time The exhaust gas temperature sensor of identification decision is used as main exhaust temperature sensor during start.
CN201710157927.XA 2017-03-16 2017-03-16 The recognition methods of air-conditioning system and its exhaust gas temperature sensor Pending CN106871372A (en)

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Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20080020845A (en) * 2006-09-01 2008-03-06 엘지전자 주식회사 Control method of multi air conditioner
CN101231016A (en) * 2007-01-27 2008-07-30 三星电子株式会社 Device and method for connecting and detecting pipe of multi-connected air conditioner
KR20100069404A (en) * 2008-12-16 2010-06-24 엘지전자 주식회사 Air conditioner and control method thereof
JP2012117804A (en) * 2010-11-08 2012-06-21 Daikin Industries Ltd Trial operation method of air conditioning system
CN102589218A (en) * 2011-11-30 2012-07-18 青岛海尔空调电子有限公司 Method for monitoring detachment of exhaust temperature sensor of air conditioning compressor
JP2013160395A (en) * 2012-02-01 2013-08-19 Daikin Industries Ltd Outdoor unit of refrigeration apparatus
CN104344493A (en) * 2013-07-25 2015-02-11 珠海格力电器股份有限公司 Method and device for detecting falling of exhaust temperature sensing bulb and air conditioner
CN104613615A (en) * 2015-02-03 2015-05-13 珠海格力电器股份有限公司 Air-conditioner and control method thereof
CN106091507A (en) * 2016-06-14 2016-11-09 广东美的暖通设备有限公司 The exhaust gas temperature sensor foolproof method of air conditioning system
CN106594981A (en) * 2016-11-30 2017-04-26 宁波奥克斯电气股份有限公司 Dislocation detecting and self-repairing control method for temperature detectors of dual-compressor air conditioning system
CN109520094A (en) * 2017-09-19 2019-03-26 雷诺士工业公司 The method and apparatus for identifying wrong discharged air temperature (DAT) sensor installation

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20080020845A (en) * 2006-09-01 2008-03-06 엘지전자 주식회사 Control method of multi air conditioner
CN101231016A (en) * 2007-01-27 2008-07-30 三星电子株式会社 Device and method for connecting and detecting pipe of multi-connected air conditioner
KR20100069404A (en) * 2008-12-16 2010-06-24 엘지전자 주식회사 Air conditioner and control method thereof
JP2012117804A (en) * 2010-11-08 2012-06-21 Daikin Industries Ltd Trial operation method of air conditioning system
CN102589218A (en) * 2011-11-30 2012-07-18 青岛海尔空调电子有限公司 Method for monitoring detachment of exhaust temperature sensor of air conditioning compressor
JP2013160395A (en) * 2012-02-01 2013-08-19 Daikin Industries Ltd Outdoor unit of refrigeration apparatus
CN104344493A (en) * 2013-07-25 2015-02-11 珠海格力电器股份有限公司 Method and device for detecting falling of exhaust temperature sensing bulb and air conditioner
CN104613615A (en) * 2015-02-03 2015-05-13 珠海格力电器股份有限公司 Air-conditioner and control method thereof
CN106091507A (en) * 2016-06-14 2016-11-09 广东美的暖通设备有限公司 The exhaust gas temperature sensor foolproof method of air conditioning system
CN106594981A (en) * 2016-11-30 2017-04-26 宁波奥克斯电气股份有限公司 Dislocation detecting and self-repairing control method for temperature detectors of dual-compressor air conditioning system
CN109520094A (en) * 2017-09-19 2019-03-26 雷诺士工业公司 The method and apparatus for identifying wrong discharged air temperature (DAT) sensor installation

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