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 PDFInfo
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- 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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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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
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.
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