CN107957122A - A kind of air-conditioning system abnormality judgment method and device - Google Patents
A kind of air-conditioning system abnormality judgment method and device Download PDFInfo
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- CN107957122A CN107957122A CN201711175762.5A CN201711175762A CN107957122A CN 107957122 A CN107957122 A CN 107957122A CN 201711175762 A CN201711175762 A CN 201711175762A CN 107957122 A CN107957122 A CN 107957122A
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Abstract
The present invention provides a kind of air-conditioning system abnormality judgment method and device, shown method comprises the following steps：According to the correspondence setting at least one preset condition between compressor top temperature Ta and the relation and air-conditioning system operating status of compressor exhaust pipe temperature Tb；Ta and Tb is detected, air-conditioning state is judged according to the relation of Ta and Tb.Present invention simultaneously provides a kind of air-conditioning system abnormity judgement set for realizing the above method.Change of the invention by compressor of air conditioner head temperature and compressor exhaust pipe temperature, to judge whether air-conditioning is in abnormality, so as to meet air-conditioning system reliability requirement.
Description
Technical field
The present invention relates to air conditioner controlling technology field, more particularly to a kind of air-conditioning system abnormality judgment method and device.
Background technology
With the development of air conditioner industry, user proposes the reliability of air-conditioning system the requirement of higher.In the prior art
Research to air-conditioning system reliability is concentrated mainly on lack of fluorine of air-conditioners direction, and lack of fluorine of air-conditioners can cause the temperature of compressor excessive.
But in air-conditioning in actual use, exhaust valve blocking also results in compressor and burns, and existing technology can not be effective
Problems are monitored and are controlled, there is very big security risk.
The content of the invention
In view of this, the present invention is directed to propose a kind of air-conditioning system abnormality judgment method and device, to judge operation of air conditioner
State simultaneously performs corresponding control, so as to meet air-conditioning system reliability requirement.
To reach above-mentioned purpose, the technical proposal of the invention is realized in this way：
A kind of air-conditioning system abnormality judgment method, comprises the following steps：
According between compressor top temperature Ta and the relation and air-conditioning system operating status of compressor exhaust pipe temperature Tb
Correspondence setting at least one preset condition；
Ta and Tb is detected, air-conditioning state is judged according to the relation of Ta and Tb.
Further, the preset condition includes：
First preset condition：- 10 DEG C≤Ta-Tb≤10 DEG C, corresponding air-conditioning system is in normal operating condition；
Second preset condition：Ta-Tb >=30~50 DEG C, and Ta >=130~140 DEG C, corresponding air-conditioning system be in valve or
System jams state.
Further, the preset condition further includes：
3rd preset condition：10~30 DEG C of 30~50 DEG C of ＜ Ta-Tb ＜, corresponding air-conditioning system are in abnormity prompt state；
4th preset condition：Ta ＜ Tb, and 10 DEG C of Tb-Ta ＞, corresponding air-conditioning system are in compressor top sensor and take off
Fall state；
5th preset condition：Ta-Tb >=30~50 DEG C, and 130~140 DEG C of Ta ＜, corresponding air-conditioning system are in compressor
Sensor comes off state on exhaust pipe.
Further, the air-conditioning system abnormality judgment method, it is further comprising the steps of：
The relation setting of indoor environment temperature Tc and evaporator coil temperature Td according to residing for air-conditioning lacks fluorine condition；
Tc and Td is detected, judges whether air-conditioning lacks fluorine according to the relation of Tc and Td.
Further, air-conditioning system abnormality judgment method, it is further comprising the steps of：
Judge that result performs corresponding safeguard measure according to air-conditioning state, the safeguard measure includes following at least one：
Send sensor on compressor exhaust pipe to come off prompting, corresponding anomalous of air conditioner alert state；
Send compressor top sensor dropping-alarming, corresponding compressor of air conditioner top sensor comes off state；
Send sensor dropping-alarming on compressor exhaust pipe, sensor comes off shape on corresponding air condition compressor exhaust pipe
State；
Perform shutdown operation, corresponding air-conditioning valve or system jams state；
Perform and lack fluorine protection, corresponding lack of fluorine of air-conditioners state.
Further, the air-conditioning system abnormality judgment method, it is further comprising the steps of：
Detection air-conditioning system is in the duration of same state, reaches threshold time when the duration, judges at air-conditioning
In corresponding state, conversely, not judging that air-conditioning is in the state then.
Another object of the present invention is to provide a kind of air-conditioning system abnormity judgement set, to realize above-mentioned air-conditioning system
Abnormality judgment method, device include：
First temperature sensor, for detecting compressor of air conditioner head temperature；
Second temperature sensor, for detecting air condition compressor exhaust pipe temperature；
First identifying unit, at least one is set according to the relation of compressor of air conditioner head temperature and compressor exhaust pipe temperature
Kind preset condition, first identifying unit are used for the relation for judging compressor of air conditioner head temperature and compressor exhaust pipe temperature
Whether the preset condition is met；
Second identifying unit, for judging whether air-conditioning meets to lack fluorine condition；
Control unit, for judging air-conditioning according to the judging result of first identifying unit and second identifying unit
State, and corresponding control operation is performed according to the air-conditioning state of judgement；
First identifying unit connects first temperature sensor and second temperature sensor, and described control unit connects
Connect first identifying unit and the second identifying unit.
Further, the air-conditioning system abnormity judgement set, further includes：
Timing unit, the duration of a certain decision state is in for recording air-conditioning；
3rd identifying unit, for judging that air-conditioning is in whether duration of a certain decision state reaches threshold time；
The timing unit is connected with the 3rd identifying unit, the 3rd identifying unit and the timing unit with
Described control unit connects, when the 3rd identifying unit judges that air-conditioning is in duration of a certain state and reaches threshold value
Between, then described control unit judges that air-conditioning enters corresponding state.
Further, the air-conditioning system abnormity judgement set, further includes：
Three-temperature sensor, for detecting indoor environment temperature residing for air-conditioning；
4th temperature sensor, for detecting air conditioning evaporator coil temperature；
Second identifying unit connects the three-temperature sensor and the 4th temperature sensor, and described second sentences
Order member judges whether air-conditioning meets to lack fluorine condition by the relation of indoor environment temperature residing for air-conditioning and evaporator coil temperature.
Further, the air-conditioning system abnormity judgement set, further includes：
Reminding unit, for sending prompting or warning message, the reminding unit is connected with described control unit；
Relative to the prior art, air-conditioning system abnormality judgment method and device of the present invention have the advantage that：
(1) present invention is by the change of compressor of air conditioner head temperature and compressor exhaust pipe temperature, to judge that air-conditioning is
It is no to be in abnormality, so as to meet air-conditioning system reliability requirement.
(2) it can determine that whether system temperature sensor comes off according to a variety of preset conditions, whether system lacks fluorine and air bleeding valve
A variety of exceptions such as door blocking, improve the accuracy judged extremely.
(3) present invention has also combined scarce fluorine and judges, realizes that the accurate of air-conditioning state is sentenced using dual judgement and logic control
It is disconnected.
(3) corresponding safeguard measure is taken when air-conditioning system judges and occurs abnormal, prevents the phenomenon for burning compressor, make
Air-conditioning system operation is more safe and reliable.
(4) setting of passage time threshold value, not only can ensure that the abnormal promptness judged and protect, but also can effectively avoid missing
Sentence.
Brief description of the drawings
The attached drawing for forming the part of the present invention is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its explanation is used to explain the present invention, do not form inappropriate limitation of the present invention.
In the accompanying drawings：
Fig. 1 is the structure diagram of 1 air-conditioning system abnormity judgement set of the embodiment of the present invention；
Fig. 2 is the structure diagram of 2 air-conditioning system abnormity judgement set of the embodiment of the present invention
Fig. 3 is the step sequence figure of 3 air-conditioning system abnormality judgment method of the embodiment of the present invention；
Fig. 4 is the logic chart of 4 air-conditioning system abnormality judgment method of the embodiment of the present invention.
Description of reference numerals：
The first temperature sensors of 1-, 2- second temperature sensors, the first identifying units of 3-, the second identifying units of 4-, 5- controls
Unit processed, 6- three-temperature sensors, the 4th temperature sensors of 7-, 8- timing units, the 3rd identifying units of 9-, 10- remind single
Member.
Embodiment
It should be noted that in the case where there is no conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.Below with reference to the accompanying drawings and the present invention will be described in detail in conjunction with the embodiments.
Embodiment 1
A kind of air-conditioning system abnormity determining device is provided, which is used to judge running state of air conditioner and accordingly be controlled
Operation, so as to meet air-conditioning system reliability requirement.
As shown in Figure 1, the present embodiment air-conditioning system abnormity determining device includes：First temperature sensor 1, second temperature pass
Sensor 2, the first identifying unit 3, the second identifying unit 4 and control unit 5,.
First temperature sensor 1 is installed at the top of compressor of air conditioner, for detecting compressor of air conditioner head temperature；Institute
Second temperature sensor 2 is stated on air condition compressor exhaust pipe, for detecting air condition compressor exhaust pipe temperature.
First identifying unit 3 is connected with the first temperature sensor 1 and second temperature sensor 2, can receive first
The detection information of temperature sensor 1 and second temperature sensor 2.First identifying unit 3 according to compressor of air conditioner head temperature and
The relation of compressor exhaust pipe temperature sets at least one preset condition, and the first identifying unit 3 is used to judge compressor of air conditioner top
The whether described preset condition of relation of portion's temperature and compressor exhaust pipe temperature.
For example, setting Ta represents compressor top temperature, Tb represents compressor exhaust pipe temperature, in the first identifying unit 3
Set a preset condition as：Ta ＜ Tb, and 10 DEG C of Tb-Ta ＞.Then as compressor top temperature Ta and compressor exhaust pipe temperature
When the relation of Tb meets the preset condition, the output of the first identifying unit 3 judges result；Preset when the relation of Ta and Tb is unsatisfactory for this
During condition, the first identifying unit 3 continues to judge whether the relation of Ta and Tb meets other preset conditions.
Second identifying unit 4 is used to judge whether air-conditioning meets to lack fluorine condition, its scarce fluorine decision-making system with air-conditioning
Connection, the present embodiment do not limit the method that scarce fluorine judges, the second identifying unit 4 can be lacked by any one fluorine decision scheme into
Row judges.
Described control unit 5 connects 3 and second identifying unit 4 of the first identifying unit, it is used to judge first single
The judging result of 3 and second identifying unit 4 of member is combined to judge air-conditioning state.First identifying unit 3 and the second identifying unit 4
Judging result has multiple combinations mode, and control unit 5 draws corresponding air-conditioning state according to setting to different combined results
Judge result.
Described control unit 5 can also perform corresponding control operation according to the air-conditioning state of judgement.Such as control unit 5 is sentenced
When determining lack of fluorine of air-conditioners, perform and lack fluorine protection；When and for example judging air-conditioning valve or system jams, control unit 5 performs shutdown operation,
Prevent the phenomenon for burning compressor.
The present embodiment air-conditioning system abnormity determining device can realize the judgement of running state of air conditioner, its principle is to pass through sky
The change of compressor head temperature and compressor exhaust pipe temperature is adjusted, it is accurate to judge to carry out running state of air conditioner in conjunction with scarce fluorine
Judge, so as to meet air-conditioning system reliability requirement.
Embodiment 2
As shown in Fig. 2, the present embodiment air-conditioning system abnormity determining device further includes on the basis of above-described embodiment：The
Three-temperature sensor 6, the 4th temperature sensor 7, timing unit 8, the 3rd identifying unit 9 and reminding unit 10.
The three-temperature sensor 6 is installed on the surface entrance of air conditioner indoor unit evaporator, for detecting air-conditioning institute
Locate indoor environment temperature；4th temperature sensor 7 is installed on air conditioning evaporator coil, for detecting A/C evaporator disk
Tube temperature degree.
6 and the 4th temperature sensor 7 of three-temperature sensor is connected with second identifying unit 4, in present embodiment
In the second identifying unit 4 judge whether air-conditioning meets by the relation of indoor environment temperature residing for air-conditioning and evaporator coil temperature
Lack fluorine condition.
For example, setting Tc represents indoor environment temperature residing for air-conditioning, Td represents evaporator coil temperature, the second identifying unit
4 set lack fluorine condition as：|Tc-Td|≤11℃.Then the relation of indoor environment temperature residing for air-conditioning and evaporator coil temperature is not
When meeting to lack fluorine condition, the second identifying unit 4 judges that air-conditioning system does not lack fluorine；When the relation of Tc and Td meets to lack fluorine condition,
Second identifying unit 4 judges that air-conditioning system lacks fluorine.Other can also be reset and lack the necessary condition that fluorine judges, when the pass of Tc and Td
System meet lack fluorine condition when, then by the judgement of other conditions with confirm air-conditioning whether lack fluorine, can so strengthen lack fluorine judge
Accuracy.
The timing unit 8 is connected with control unit 5, and the duration of a certain decision state is in for recording air-conditioning.
Air-conditioning is generally run in normal state, and the first identifying unit 3 and the second identifying unit 4 are once sentenced at regular intervals
It is fixed, when control unit 5 judges that air-conditioning state changes, 8 start recording initial time of timing unit, 5 continuous several times of control unit
Same judgement is obtained as a result, timing unit 8 records holding time for the state.When control unit 5 judges that air-conditioning state changes,
8 reclocking of timing unit.
3rd identifying unit 9 is connected with timing unit 8 and control unit 5, for judging that air-conditioning is in a certain judgement
Whether the duration of state reaches threshold time.The timing unit 8 and 9 cooperating of the 3rd identifying unit, sentence when the 3rd
Order member 9 judges that air-conditioning be in duration of a certain state and reaches threshold time, then control unit 5 judges air-conditioning entrance accordingly
State.
Different threshold times can be set to different air-conditioning states, judges that compressor top temperature passes for example, setting
The threshold time that sensor comes off is 10min, and the threshold time for judging air-conditioning valve or system jams is 2min.Passage time threshold value
Setting, not only can ensure that the present embodiment air-conditioning system abnormity determining device carried out the promptness of abnormal judgement and protection, but also can have
Effect avoids judging by accident.
The reminding unit 10 is connected with control unit 5, for sending prompting message.Taken off when sensor occurs in air-conditioning system
When falling abnormal, control unit 5 can not directly perform safeguard measure, then can send corresponding prompting message by reminding unit 10,
Inform abnormal judging result.
Embodiment 3
A kind of air-conditioning system abnormality determination method is provided, this method is filled by the air-conditioning system unusual determination of above-described embodiment
Put realization.As shown in figure 3, the present embodiment air-conditioning system abnormality determination method comprises the following steps：
S110：Compressor top temperature Ta, compressor exhaust pipe temperature Tb, indoor ring residing for air-conditioning are detected during operation of air conditioner
Border temperature Tc and evaporator coil temperature Td.
S120：According to the multiple default bars of the correspondence setting between the relation of Ta and Tb and air-conditioning system operating status
Part, judges whether the relation of Ta and Tb meets preset condition successively.
S130：Set according to the relation of Tc and Td and lack fluorine condition, judge whether air-conditioning meets to lack fluorine condition.
S140：With reference to the S120 and S130 judgement as a result, judge air-conditioning state, the judgement result of S120 and S130 into
Row permutation and combination, the judgement result of obtained air-conditioning state.
S150：Corresponding safeguard measure is performed according to the air-conditioning state of the S140.
Wherein, the preset condition in S120 includes：
First preset condition：- 10 DEG C≤Ta-Tb≤10 DEG C, corresponding air-conditioning system is in normal operating condition；
Second preset condition：Ta-Tb >=30~50 DEG C, and Ta >=130~140 DEG C, corresponding air-conditioning system be in valve or
System jams state.
3rd preset condition：10~30 DEG C of 30~50 DEG C of ＜ Ta-Tb ＜, corresponding air-conditioning system are in abnormity prompt state；
4th preset condition：Ta ＜ Tb, and 10 DEG C of Tb-Ta ＞, corresponding air-conditioning system are in compressor top sensor and take off
Fall state；
5th preset condition：Ta-Tb >=30~50 DEG C, and 130~140 DEG C of Ta ＜, corresponding air-conditioning system are in compressor
Sensor comes off state on exhaust pipe.
The safeguard measure that S150 takes includes：
Send sensor on compressor exhaust pipe to come off prompting, corresponding anomalous of air conditioner alert state；
Send compressor top sensor dropping-alarming, corresponding compressor of air conditioner top sensor comes off state；
Send sensor dropping-alarming on compressor exhaust pipe, sensor comes off shape on corresponding air condition compressor exhaust pipe
State；
Perform shutdown operation, corresponding air-conditioning valve or system jams state；
Perform and lack fluorine protection, corresponding lack of fluorine of air-conditioners state.
The present embodiment is by the change of compressor of air conditioner head temperature and compressor exhaust pipe temperature, whether to judge air-conditioning
In abnormality, judge accurately to judge running state of air conditioner in conjunction with scarce fluorine, when air-conditioning system judges exception occur
When take corresponding salvo, prevent burn compressor phenomenon, make air-conditioning system operation it is more safe and reliable.
Embodiment 4
This implementation is on the basis of above-described embodiment, and the S140 further includes time determination step, for air-conditioning state
Judge to set time restriction, only when the judgement result of the S120 and S130 remains unchanged, and the duration reaches threshold value
Between, just judge that air-conditioning is in corresponding state.Different threshold times can be set according to different air-conditioning states.Passage time is sentenced
Determine step and not only can ensure that the abnormal promptness judged and protect, but also can effectively avoid judging by accident
As shown in figure 4, it is the logic chart of the present embodiment air-conditioning system abnormality determination method, detected during operation of air conditioner
Compressor of air conditioner head temperature Ta, compressor exhaust pipe temperature Tb, indoor environment temperature Tc and evaporator plate tube temperature residing for air-conditioning
Td is spent, first judges the relationship change of Ta and Tb, then judges the relation of Tc and Td, both judgement results are combined, obtain air-conditioning
State.Its logic judgment result is as follows：
The relation of relation the first preset condition of satisfaction of Ta and Tb, Tc and Td are unsatisfactory for lacking fluorine condition, then are judging air-conditioning just
Often and maintain to run；
The relation of Ta and Tb meets the first preset condition, and the scarce fluorine condition of relation satisfaction of Tc and Td, then judge lack of fluorine of air-conditioners,
Perform and lack fluorine protection；
The relation of Ta and Tb meets the second preset condition, then judges air-conditioning valve or system jams, performs shutdown operation；
The relation of Ta and Tb meets the 3rd preset condition, then judges that compressor of air conditioner tip temperature sensor comes off, concurrently
Go out compressor of air conditioner tip temperature sensor dropping-alarming；
The relation of relation the 4th preset condition of satisfaction of Ta and Tb, Tc and Td are unsatisfactory for lacking fluorine condition, then judge at air-conditioning
In abnormity prompt state, and send sensor on air condition compressor exhaust pipe and come off prompting；
The relation of Ta and Tb meets the 4th preset condition, and the scarce fluorine condition of relation satisfaction of Tc and Td, then judge lack of fluorine of air-conditioners,
Perform and lack fluorine protection；
The relation of relation the 5th preset condition of satisfaction of Ta and Tb, Tc and Td are unsatisfactory for lacking fluorine condition, then judge air-conditioning pressure
Temperature sensor comes off on contracting machine exhaust pipe, and sends temperature sensor on air condition compressor exhaust pipe and come off prompting；
The relation of Ta and Tb meets the 5th preset condition, and the scarce fluorine condition of relation satisfaction of Tc and Td, then judge lack of fluorine of air-conditioners,
Carry out lacking fluorine protection.
The present embodiment realizes the judgement of air-conditioning state using dual judgement and logic control, realizes that the accurate of air-conditioning state is sentenced
It is disconnected, it can determine that whether system temperature sensor comes off according to a variety of preset conditions, a variety of exceptions such as whether system lacks fluorine and valve blocks up,
Corresponding salvo is taken in time when air-conditioning system judges and occurs abnormal, meets air-conditioning system reliability requirement.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on, should all be included in the protection scope of the present invention god.
Claims (10)
1. a kind of air-conditioning system abnormality judgment method, it is characterised in that comprise the following steps：
According to pair between compressor top temperature Ta and the relation and air-conditioning system operating status of compressor exhaust pipe temperature Tb
It should be related at least one preset condition of setting；
Ta and Tb is detected, air-conditioning state is judged according to the relation of Ta and Tb.
2. air-conditioning system abnormality judgment method according to claim 1, it is characterised in that the preset condition includes：
First preset condition：- 10 DEG C≤Ta-Tb≤10 DEG C, corresponding air-conditioning system is in normal operating condition；
Second preset condition：Ta-Tb >=30~50 DEG C, and Ta >=130~140 DEG C, corresponding air-conditioning system are in valve or system
Blocked state.
3. air-conditioning system abnormality judgment method according to claim 2, it is characterised in that the preset condition further includes：
3rd preset condition：10~30 DEG C of 30~50 DEG C of ＜ Ta-Tb ＜, corresponding air-conditioning system are in abnormity prompt state；
4th preset condition：Ta ＜ Tb, and 10 DEG C of Tb-Ta ＞, corresponding air-conditioning system are in compressor top sensor and come off shape
State；
5th preset condition：Ta-Tb >=30~50 DEG C, and 130~140 DEG C of Ta ＜, corresponding air-conditioning system are in compressor air-discharging
Sensor comes off state on pipe.
4. air-conditioning system abnormality judgment method according to claim 3, it is characterised in that further comprising the steps of：
The relation setting of indoor environment temperature Tc and evaporator coil temperature Td according to residing for air-conditioning lacks fluorine condition；
Tc and Td is detected, judges whether air-conditioning lacks fluorine according to the relation of Tc and Td.
5. air-conditioning system abnormality judgment method according to claim 4, it is characterised in that further comprising the steps of：
Judge that result performs corresponding safeguard measure according to air-conditioning state, the safeguard measure includes following at least one：
Send sensor on compressor exhaust pipe to come off prompting, corresponding anomalous of air conditioner alert state；
Send compressor top sensor dropping-alarming, corresponding compressor of air conditioner top sensor comes off state；
Send sensor dropping-alarming on compressor exhaust pipe, sensor comes off state on corresponding air condition compressor exhaust pipe；
Perform shutdown operation, corresponding air-conditioning valve or system jams state；
Perform and lack fluorine protection, corresponding lack of fluorine of air-conditioners state.
6. air-conditioning system abnormality judgment method as claimed in claim 5, it is characterised in that further comprising the steps of：
Detection air-conditioning system is in the duration of same state, reaches threshold time when the duration, judges that air-conditioning is in phase
State is answered, conversely, not judging that air-conditioning is in the state then.
A kind of 7. air-conditioning system abnormity judgement set, it is characterised in that including：
First temperature sensor, for detecting compressor of air conditioner head temperature；
Second temperature sensor, for detecting air condition compressor exhaust pipe temperature；
First identifying unit, is set at least one pre- according to the relation of compressor of air conditioner head temperature and compressor exhaust pipe temperature
If condition, first identifying unit be used to judging compressor of air conditioner head temperature and compressor exhaust pipe temperature relation whether
Meet the preset condition；
Second identifying unit, for judging whether air-conditioning meets to lack fluorine condition；
Control unit, for judging air-conditioning shape according to the judging result of first identifying unit and second identifying unit
State, and corresponding control operation is performed according to the air-conditioning state of judgement；
First identifying unit connects first temperature sensor and second temperature sensor, described control unit connection institute
State the first identifying unit and the second identifying unit.
8. air-conditioning system abnormity judgement set as claimed in claim 7, it is characterised in that further include：
Timing unit, the duration of a certain decision state is in for recording air-conditioning；
3rd identifying unit, for judging that air-conditioning is in whether duration of a certain decision state reaches threshold time；
The timing unit is connected with the 3rd identifying unit, the 3rd identifying unit and the timing unit with it is described
Control unit connects, when the 3rd identifying unit judges that air-conditioning is in duration of a certain state and reaches threshold time, then
Described control unit judges that air-conditioning enters corresponding state.
9. air-conditioning system abnormity judgement set as claimed in claim 8, it is characterised in that further include：
Three-temperature sensor, for detecting indoor environment temperature residing for air-conditioning；
4th temperature sensor, for detecting air conditioning evaporator coil temperature；
Second identifying unit connects the three-temperature sensor and the 4th temperature sensor, and described second judges list
Member judges whether air-conditioning meets to lack fluorine condition by the relation of indoor environment temperature residing for air-conditioning and evaporator coil temperature.
10. air-conditioning system abnormity judgement set as claimed in claim 9, it is characterised in that further include：
Reminding unit, for sending prompting or warning message, the reminding unit is connected with described control unit.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109114747A (en) * | 2018-08-03 | 2019-01-01 | 奥克斯空调股份有限公司 | A kind of lack of fluorine of air-conditioners detection method, detection system and air-conditioning |
| CN109869955A (en) * | 2019-02-25 | 2019-06-11 | 四川长虹空调有限公司 | Refrigeration system detachment of exhaust temperature sensor detection method and system |
| CN113531773A (en) * | 2021-06-18 | 2021-10-22 | 宁波奥克斯电气股份有限公司 | Multi-connected air conditioner fault detection method and device and multi-connected air conditioner |
| CN113551369A (en) * | 2021-07-09 | 2021-10-26 | 珠海格力电器股份有限公司 | Control system for detecting blockage of refrigeration system and blockage detection method |
| CN113587359A (en) * | 2021-07-23 | 2021-11-02 | 珠海格力电器股份有限公司 | Control method and device for valve cut-off protection, controller and air conditioner |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100038782A (en) * | 2008-10-06 | 2010-04-15 | 위니아만도 주식회사 | Method for controlling air-conditioner |
| CN101929719A (en) * | 2010-08-27 | 2010-12-29 | 宁波奥克斯空调有限公司 | Method for protecting compressor during fluorine lack of inverter air conditioner |
| CN103090504A (en) * | 2011-11-04 | 2013-05-08 | 珠海格力电器股份有限公司 | Air conditioner, and method and device for detecting air conditioner |
| CN103424211A (en) * | 2012-05-17 | 2013-12-04 | 珠海格力电器股份有限公司 | Method and device for detecting thermal bulb of compressor and outdoor unit |
| CN104061656A (en) * | 2014-07-04 | 2014-09-24 | 珠海格力电器股份有限公司 | Method and device for air conditioner protection against lack of fluorine |
| CN104729030A (en) * | 2013-12-24 | 2015-06-24 | 珠海格力电器股份有限公司 | Air-conditioner disorder detecting method and server |
| CN104776552A (en) * | 2014-01-14 | 2015-07-15 | 三星电子株式会社 | Air conditioner and fault diagnosis method thereof |
| CN104896669A (en) * | 2015-06-04 | 2015-09-09 | 广东美的制冷设备有限公司 | Air conditioner and method for protecting and controlling same |
| CN106257161A (en) * | 2016-07-27 | 2016-12-28 | 海信（山东）空调有限公司 | Cooler compressor Anti-burnout control method and air-conditioner |
| CN106839276A (en) * | 2017-01-03 | 2017-06-13 | 青岛海尔空调器有限总公司 | The control method and air-conditioning of a kind of lack of fluorine of air-conditioners detection |
-
2017
- 2017-11-22 CN CN201711175762.5A patent/CN107957122B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100038782A (en) * | 2008-10-06 | 2010-04-15 | 위니아만도 주식회사 | Method for controlling air-conditioner |
| CN101929719A (en) * | 2010-08-27 | 2010-12-29 | 宁波奥克斯空调有限公司 | Method for protecting compressor during fluorine lack of inverter air conditioner |
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