CN105509241B - The method, apparatus and air conditioner that whether temperature sensing package falls off in condenser tube judged - Google Patents
The method, apparatus and air conditioner that whether temperature sensing package falls off in condenser tube judged Download PDFInfo
- Publication number
- CN105509241B CN105509241B CN201510980279.9A CN201510980279A CN105509241B CN 105509241 B CN105509241 B CN 105509241B CN 201510980279 A CN201510980279 A CN 201510980279A CN 105509241 B CN105509241 B CN 105509241B
- Authority
- CN
- China
- Prior art keywords
- temperature
- current
- air conditioner
- compressor
- condenser tube
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
Classifications
-
- 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
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/52—Indication arrangements, e.g. displays
Abstract
The invention discloses a kind of methods for judging whether temperature sensing package falls off in condenser tube, comprising steps of the mapping table between the current setting value and outdoor temperature of building compressor；Before air conditioner booting, detects and record the first temperature in condenser tube；It opens air conditioner and keeps air conditioner in refrigeration mode；Detection air conditioner inner compressor frequency detects when compressor frequency reaches target frequency and records the second temperature in condenser tube；It calculates the difference of the second temperature and the first temperature and judges whether the difference is greater than preset temperature difference, if so, determining that the temperature sensing package in condenser tube is not fallen off, if not, detection current compressor current value and current outdoor temperature value；Mapping table, which is inquired, according to current outdoor temperature value obtains current setting value, judge whether current compressor current value is greater than current setting value, if it is, determining that the temperature sensing package in condenser tube falls off, the judgement whether the application falls off for temperature sensing package is more rigorous accurate.
Description
Technical field
The present invention relates to air conditioner technical fields, and in particular to a kind of side for judging whether temperature sensing package falls off in condenser tube
Method, device and air conditioner.
Background technique
Currently, transducer air conditioning is generally provided with temperature sensing package in condenser tube in air conditioner industry, temperature-sensitive is surrounded by one
Important function is that temperature in condenser tube is detected under air conditioner refrigerating mode, which can reflect two-phase in condenser indirectly
The condensation temperature of area's refrigerant since there are one-to-one relationships for two-phase section condensation temperature and condensing pressure, therefore can pass through inspection
Temperature in condenser tube is surveyed, condensing pressure is judged, so that compressor frequency, the mechanical, electrical sub- expansion valve of exogenous wind be adjusted, makes machine
Group is run under normal condensing pressure.
But the case where temperature sensing package in condenser tube can not normally detect condensation temperature, example are always encountered when actual motion
Such as, unit causes temperature sensing package in condenser tube to fall off after longtime running often vibrates, alternatively, after maintenance personal dismantles temperature sensing package
Forget to turn back in casing etc., it is easy for causing the mechanical, electrical sub- expansion valve of compressor, exogenous wind to condensing pressure in these cases
Failure of adjustment.Therefore, temperature sensing package has played very big effect in condenser tube in cooling mode, and temporarily nothing is sentenced in the prior art
The method whether this temperature sensing package of breaking falls off.
Summary of the invention
The technical problem to be solved by the present invention is to provide a kind of for detecting judge whether temperature sensing package takes off in condenser tube
It falls, user is reminded to overhaul the method to guarantee air conditioner reliability service in time.
The technical scheme is that a kind of method for judging whether temperature sensing package falls off in condenser tube is provided, including with
Lower step:
Construct the mapping table between the current setting value and outdoor temperature of compressor；
Before air conditioner booting, detects and record the first temperature in condenser tube；
It opens air conditioner and keeps air conditioner in refrigeration mode；
Detection air conditioner inner compressor frequency detects when compressor frequency reaches target frequency and records condenser tube
In second temperature；
It calculates the difference of the second temperature and the first temperature and judges whether the difference is greater than preset temperature difference,
If so, determine that the temperature sensing package in condenser tube is not fallen off,
If not, detection current compressor current value and current outdoor temperature value；
Mapping table is inquired according to current outdoor temperature value and obtains current setting value, judges that current compressor current value is
It is no to be greater than current setting value,
If it is, determining that the temperature sensing package in condenser tube falls off.
Further, this method further include: first temperature of the multiple repairing weld air conditioner in the condenser pipe before booting, and
Compressor frequency reaches the second temperature after target frequency in condenser pipe, and calculates the difference of second temperature Yu the first temperature, takes
The average value for the difference that multiple repairing weld calculates is preset temperature difference.
Further, the mapping table between the current setting value and outdoor temperature of the building compressor includes:
When multiple repairing weld air conditioner is run in the outdoor temperature of setting range, compressor frequency reaches current value when target frequency,
The average value for the current value for taking multiple repairing weld to obtain is the current setting value of corresponding set temperature range, samples and obtains not equality of temperature
It spends the corresponding current setting value of range and forms mapping table.
Further, after determining that the temperature sensing package in condenser tube falls off, this method further include: control air conditioner is shut down
And report failure.
The present invention also provides a kind of devices for judging whether temperature sensing package falls off in condenser tube, comprising:
Construction unit, for constructing the mapping table between the current setting value of compressor and outdoor temperature；
First detection recording unit, for detecting and recording the first temperature in condenser tube before air conditioner booting；
Opening unit, for opening air conditioner and keeping air conditioner in refrigeration mode；
Second detection recording unit, for detecting air conditioner inner compressor frequency, when compressor frequency reaches target frequency
When, it detects and records the second temperature in condenser tube；
Computing unit, for calculating the difference of the second temperature Yu the first temperature；
First judging unit, for judging whether second temperature and the difference of the first temperature are greater than preset temperature difference, such as
Fruit is to determine that the temperature sensing package in condenser tube is not fallen off；
Detection unit, for detecting current compressor current value when computing unit judgement is less than preset temperature difference
With current outdoor temperature value；
Second judgment unit, for judging whether current compressor current value is greater than current setting value, if it is, determining
Temperature sensing package in condenser tube falls off.
Further, which further includes the first sampling computing unit, cold before booting for multiple repairing weld air conditioner
The first temperature and compressor frequency in solidifying pipe reach the second temperature after target frequency in condenser pipe, and calculate the second temperature
The difference of degree and the first temperature, the average value for the difference for taking multiple repairing weld to calculate are preset temperature difference.
Further, the construction unit includes the second sampling computing unit, and the second sampling computing unit is for more
When secondary sampling air conditioner is run in the outdoor temperature of setting range, compressor frequency reaches current value when target frequency, takes
The average value for the current value that multiple repairing weld obtains is the current setting value of corresponding set temperature range, samples and obtains different temperatures
The corresponding current setting value of range forms mapping table.
Further, which further includes stopping alarm unit, shuts down for controlling air conditioner and reports failure.
The present invention also provides a kind of air conditioner, including judging in condenser tube whether is temperature sensing package described in any of the above item
The device to fall off.
Technical solution of the present invention has the beneficial effect that compressor is run to target frequency under normal condition, compared to opening
Temperature change before machine in condenser tube can be greater than set temperature difference, empty if temperature change is less than set temperature difference
It is also likely to be that temperature sensing package falls off that tune device, which may be cold medium shortage, by detecting acquisition current compressor current value again and working as cup
Outer temperature, and compared with presetting compressor current and outdoor temperature mapping table, under current outdoor temperature, such as
Fruit current compressor current value is greater than the setting value in table, then can assert that aforementioned difference variation is less than setting value is due to condenser
Caused by temperature sensing package falls off in pipe, judgment mode is more accurate.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is a kind of method flow diagram for judging whether temperature sensing package falls off in condenser tube provided by the invention.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings and specific examples.
The present invention provides a kind of methods for judging whether temperature sensing package falls off in condenser tube, can effectively be sentenced by this method
Whether disconnected temperature sensing package has fallen off.It is additionally provided in present embodiment and a kind of judges whether temperature sensing package falls off in condenser tube
Device and air conditioner comprising the device.
As shown in Figure 1, wherein judge the method that whether temperature sensing package falls off in condenser tube the following steps are included:
S1: the mapping table between the current setting value Imin of compressor and outdoor temperature Ta is constructed；
S2: it before air conditioner booting, detects and records the first temperature Tem1 in condenser tube；
S3: it opens air conditioner and keeps air conditioner in refrigeration mode；
S4: detection air conditioner inner compressor frequency detects when compressor frequency reaches target frequency and records condenser
Second temperature Tem2 in pipe；
Wherein, frequency-changeable compressor is during starting to start to operation to normal frequency, since refrigerant is not yet whole
Stable circulation is completed in a air-conditioning system, and the tube temperature variation of condenser tube has certain hysteresis quality, so needing equipressure
Contracting machine is run to target frequency, and the tube temperature of condenser tube detects second temperature after settling out again.
S5: it calculates the difference of second temperature Tem2 and the first temperature Tem1 and to judge whether the difference is greater than preset temperature poor
Value △ T, if so, determine that the temperature sensing package in condenser tube is not fallen off, if not, detection current compressor current value Io and current
Outdoor temp angle value To；
Wherein, △ T be the normal air conditioner of multiple repairing weld operating parameter after determine numerical value, normally starting air-conditioning after,
If temperature sensing package is not fallen off, the difference of second temperature Tem2 and the first temperature Tem1 can be greater than the set value △ T, if it is less than setting
Value, then actually in addition to temperature sensing package falls off it is also possible that the case where cold medium shortage is caused, because air-conditioning is in cold medium shortage
In the case of, condensing pressure is relatively low, and second of detected value Tem2 of tube temperature can be relatively low, also results in the temperature gap detected twice
Less than setting value △ T, it is therefore desirable to carry out next step judgement.
S6: mapping table is inquired according to current outdoor temperature value To and obtains corresponding current setting value Imin, judgement is worked as
Whether preceding compressor current value Io is greater than current setting value Imin, if it is, determining that the temperature sensing package in condenser tube falls off.Phase
It answers, if it is not, then determining that the temperature sensing package in condenser tube is not fallen off.
Wherein, the mapping relations between the current setting value Imin and outdoor temperature Ta of the compressor in mapping table are
It is obtained by the relevant parameter of the normal air conditioner of multiple repairing weld, in specific mapping relations, outdoor temperature can be divided into not
Same temperature range, different temperature ranges respectively corresponds the current setting value of a compressor, namely shows in air conditioner
In operational process, if detect current outdoor temperature in a certain temperature range, and the current value of current compressor be greater than table
In corresponding current setting value when, then it is assumed that refrigerant be it is sufficient normal, the temperature difference is lower than setting value in the normal situation of refrigerant
The reason of △ T can teacher of being determined as's temperature sensing package fallen off.
Further, before step S2, this method can also include: condenser pipe of the multiple repairing weld air conditioner before booting
In the first temperature and compressor frequency reach the second temperature after target frequency in condenser pipe, and calculate second temperature with
The difference of first temperature, the average value for the difference for taking multiple repairing weld to calculate are preset temperature difference.
Further, in step sl, the mapping table between the current setting value of compressor and outdoor temperature is constructed
When including: that multiple repairing weld air conditioner is run in the outdoor temperature of setting range, compressor frequency reaches electricity when target frequency
Flow valuve, the average value for the current value for taking multiple repairing weld to obtain are the current setting value of corresponding set temperature range, sample and obtain
The corresponding current setting value of different temperatures range forms mapping table, which can be as shown in the table:
| Ta | Imin |
| Ta≥45℃ | Imin1 |
| 44℃≥Ta≥40℃ | Imin2 |
| 39℃≥Ta≥35℃ | Imin3 |
| 34℃≥Ta≥30℃ | Imin4 |
| 29℃≥Ta≥25℃ | Imin5 |
| 24℃≥Ta≥20℃ | Imin6 |
| 19℃≥Ta≥14℃ | Imin7 |
| 13℃≥Ta | Imin8 |
Further, after the temperature sensing package in the judgement condenser tube of step S6 falls off, this method further include: control is empty
Device is adjusted to shut down and report failure.
A kind of device for judging whether temperature sensing package falls off in condenser tube, work are additionally provided in present embodiment
Principle is detailed in above method part, and details are not described herein, which includes:
Construction unit, for constructing the mapping table between the current setting value of compressor and outdoor temperature；
First detection recording unit, for detecting and recording the first temperature in condenser tube before air conditioner booting；
Opening unit, for opening air conditioner and keeping air conditioner in refrigeration mode；
Second detection recording unit, for detecting air conditioner inner compressor frequency, when compressor frequency reaches target frequency
When, it detects and records the second temperature in condenser tube；
Computing unit, for calculating the difference of second temperature Yu the first temperature；
First judging unit, for judging whether second temperature and the difference of the first temperature are greater than preset temperature difference, such as
Fruit is to determine that the temperature sensing package in condenser tube is not fallen off；
Detection unit, for detecting current compressor current value when computing unit judgement is less than preset temperature difference
With current outdoor temperature value；
Second judgment unit, for judging whether current compressor current value is greater than current setting value, if it is, determining
Temperature sensing package in condenser tube falls off.
Further, which further includes the first sampling computing unit, cold before booting for multiple repairing weld air conditioner
The first temperature and compressor frequency in solidifying pipe reach the second temperature after target frequency in condenser pipe, and calculate the second temperature
The difference of degree and the first temperature, the average value for the difference for taking multiple repairing weld to calculate are preset temperature difference.
Further, construction unit includes the second sampling computing unit, and the second sampling computing unit is empty for multiple repairing weld
When device being adjusted to run in the outdoor temperature of setting range, compressor frequency reaches current value when target frequency, takes multiple repairing weld
The average value of the current value of acquisition is the current setting value of correspondence set temperature range, samples and obtains different temperatures range correspondence
Current setting value formed mapping table.
Further, which further includes stopping alarm unit, shuts down for controlling air conditioner and reports failure.
Present embodiment additionally provides a kind of air conditioner, including judges that temperature sensing package is in condenser tube as described above
The no device to fall off.After above-mentioned apparatus is arranged in the air conditioner, air conditioner can effectively and accurately judge to feel in condenser tube
Whether thermometer bulb falls off.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (7)
1. a kind of method for judging whether temperature sensing package falls off in condenser tube, which comprises the following steps:
Construct the mapping table between the current setting value and outdoor temperature of compressor；
Before air conditioner booting, detects and record the first temperature in condenser tube；
It opens air conditioner and keeps air conditioner in refrigeration mode；
Detection air conditioner inner compressor frequency is detected and is recorded in condenser tube when compressor frequency reaches target frequency
Second temperature；
It calculates the difference of the second temperature and the first temperature and judges whether the difference is greater than preset temperature difference,
If so, determine that the temperature sensing package in condenser tube is not fallen off,
If not, detection current compressor current value and current outdoor temperature value；
Mapping table is inquired according to current outdoor temperature value and obtains current setting value, judges whether current compressor current value is big
In current setting value,
If it is, determining that the temperature sensing package in condenser tube falls off；
First temperature and compressor frequency of the multiple repairing weld air conditioner in the condenser pipe before booting reach cold after target frequency
Second temperature in solidifying pipe, and the difference of second temperature Yu the first temperature is calculated, the average value for the difference for taking multiple repairing weld to calculate
For preset temperature difference；
Wherein, the mapping table between the current setting value and outdoor temperature of the building compressor includes: by outdoor temp
Degree is divided into different temperature range Ta, and each temperature range respectively corresponds the current setting value I an of compressormin, wherein
Temperature range Ta includes: Ta >=45 DEG C, 44 DEG C >=Ta >=40 DEG C, 39 DEG C >=Ta >=35 DEG C, 34 DEG C >=Ta >=30 DEG C, 29 DEG C >=Ta
≥25℃、24℃≥Ta≥20℃、19℃≥Ta≥14℃、13℃≥Ta。
2. the method according to claim 1 for judging whether temperature sensing package falls off in condenser tube, which is characterized in that described
The mapping table constructed between the current setting value and outdoor temperature of compressor includes: multiple repairing weld air conditioner in setting range
Outdoor temperature in operation when, compressor frequency reaches current value when target frequency, the current value for taking multiple repairing weld to obtain
Average value is the current setting value of corresponding set temperature range, samples and obtains the corresponding current setting value shape of different temperatures range
At mapping table.
3. the method according to claim 1 for judging whether temperature sensing package falls off in condenser tube, which is characterized in that determining
After temperature sensing package in condenser tube falls off, this method further include: control air conditioner shuts down and reports failure.
4. a kind of device for judging whether temperature sensing package falls off in condenser tube characterized by comprising
Construction unit, for constructing the mapping table between the current setting value of compressor and outdoor temperature, including will be outdoor
Temperature is divided into different temperature range Ta, and each temperature range respectively corresponds the current setting value I an of compressormin,
In, temperature range Ta includes: Ta >=45 DEG C, 44 DEG C >=Ta >=40 DEG C, 39 DEG C >=Ta >=35 DEG C, 34 DEG C >=Ta >=30 DEG C, 29 DEG C
≥Ta≥25℃,24℃≥Ta≥20℃,19℃≥Ta≥14℃,13℃≥Ta；
First detection recording unit, for detecting and recording the first temperature in condenser tube before air conditioner booting；
Opening unit, for opening air conditioner and keeping air conditioner in refrigeration mode；
Second detection recording unit, for detecting air conditioner inner compressor frequency, when compressor frequency reaches target frequency, inspection
It surveys and records the second temperature in condenser tube；
Computing unit, for calculating the difference of the second temperature Yu the first temperature；
First judging unit, for judging whether second temperature and the difference of the first temperature are greater than preset temperature difference, if so,
Determine that the temperature sensing package in condenser tube is not fallen off；
Detection unit, for detecting current compressor current value and working as when computing unit judgement is less than preset temperature difference
The outer temperature value of cup；
Second judgment unit, for judging whether current compressor current value is greater than current setting value, if it is, determining condensation
Temperature sensing package in device pipe falls off；
It further include the first sampling computing unit, for first temperature of the multiple repairing weld air conditioner in the condenser pipe before booting, with
And compressor frequency reaches the second temperature after target frequency in condenser pipe, and calculates the difference of second temperature Yu the first temperature,
The average value for the difference for taking multiple repairing weld to calculate is preset temperature difference.
5. the device according to claim 4 for judging whether temperature sensing package falls off in condenser tube, which is characterized in that the structure
Building unit includes the second sampling computing unit, and the second sampling computing unit is for multiple repairing weld air conditioner in setting range
In outdoor temperature when operation, compressor frequency reaches current value when target frequency, and the current value for taking multiple repairing weld to obtain is put down
Mean value is the current setting value of corresponding set temperature range, samples and obtains the corresponding current setting value of different temperatures range and is formed
Mapping table.
6. the device according to claim 4 for judging whether temperature sensing package falls off in condenser tube, which is characterized in that further include
Stopping alarm unit shuts down for controlling air conditioner and reports failure.
7. a kind of air conditioner, which is characterized in that including temperature-sensitive in the described in any item judgement condenser tubes of such as claim 4~6
The device whether packet falls off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510980279.9A CN105509241B (en) | 2015-12-23 | 2015-12-23 | The method, apparatus and air conditioner that whether temperature sensing package falls off in condenser tube judged |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510980279.9A CN105509241B (en) | 2015-12-23 | 2015-12-23 | The method, apparatus and air conditioner that whether temperature sensing package falls off in condenser tube judged |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105509241A CN105509241A (en) | 2016-04-20 |
| CN105509241B true CN105509241B (en) | 2019-03-05 |
Family
ID=55717411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510980279.9A Active CN105509241B (en) | 2015-12-23 | 2015-12-23 | The method, apparatus and air conditioner that whether temperature sensing package falls off in condenser tube judged |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105509241B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107621052A (en) * | 2017-09-06 | 2018-01-23 | 广东美的制冷设备有限公司 | Air-conditioner outdoor unit pipe temperature sensor condition detection method, device and air-conditioning |
| CN107631413B (en) * | 2017-09-20 | 2020-03-06 | 广东美的制冷设备有限公司 | Method and device for detecting loosening fault of exhaust temperature sensor and air conditioner |
| CN108006891B (en) * | 2017-11-27 | 2019-12-31 | 珠海格力电器股份有限公司 | Air conditioner fault prompting method and device |
| CN108844196B (en) * | 2018-06-25 | 2019-07-09 | 珠海格力电器股份有限公司 | Select the method, apparatus and air-conditioning equipment of indoor environment temperature sensing package |
| CN109357359A (en) * | 2018-11-06 | 2019-02-19 | 青岛海尔空调器有限总公司 | The method, apparatus and air conditioner that air conditioner fault diagnoses in advance |
| CN111197836A (en) * | 2018-11-19 | 2020-05-26 | 奥克斯空调股份有限公司 | Intelligent detection method for air conditioner sensor falling and air conditioner |
| CN111023404A (en) * | 2019-10-30 | 2020-04-17 | 宁波奥克斯电气股份有限公司 | Pipeline temperature sensor failure detection method, readable storage medium and air conditioner |
| CN111006354B (en) * | 2019-11-25 | 2021-09-21 | 宁波奥克斯电气股份有限公司 | Air conditioner control method and device, air conditioner and storage medium |
| CN113915729B (en) * | 2020-07-08 | 2023-03-07 | 广东美的制冷设备有限公司 | Air conditioner, abnormality detection method and device for temperature sensor of air conditioner, and storage medium |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103235225A (en) * | 2013-04-25 | 2013-08-07 | 青岛海尔空调电子有限公司 | Method and device for detecting fluorine-deficient operation of variable frequency air conditioner |
| 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 |
| CN104501352A (en) * | 2014-11-24 | 2015-04-08 | 广东美的制冷设备有限公司 | Detection method, detection system and air conditioner |
| CN104654530A (en) * | 2015-02-10 | 2015-05-27 | 珠海格力电器股份有限公司 | Detection method for falling of exhaust sensing bulb of outdoor unit and control method for air conditioner |
| CN105115111A (en) * | 2015-09-18 | 2015-12-02 | 广东美的制冷设备有限公司 | Air conditioner indoor unit and detection method for temperature sensing bulb of air conditioner indoor unit |
-
2015
- 2015-12-23 CN CN201510980279.9A patent/CN105509241B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103235225A (en) * | 2013-04-25 | 2013-08-07 | 青岛海尔空调电子有限公司 | Method and device for detecting fluorine-deficient operation of variable frequency air conditioner |
| 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 |
| CN104501352A (en) * | 2014-11-24 | 2015-04-08 | 广东美的制冷设备有限公司 | Detection method, detection system and air conditioner |
| CN104654530A (en) * | 2015-02-10 | 2015-05-27 | 珠海格力电器股份有限公司 | Detection method for falling of exhaust sensing bulb of outdoor unit and control method for air conditioner |
| CN105115111A (en) * | 2015-09-18 | 2015-12-02 | 广东美的制冷设备有限公司 | Air conditioner indoor unit and detection method for temperature sensing bulb of air conditioner indoor unit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105509241A (en) | 2016-04-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105509241B (en) | The method, apparatus and air conditioner that whether temperature sensing package falls off in condenser tube judged | |
| CN107166638B (en) | Fault detection method and device of temperature sensor and multi-connected air conditioning system | |
| CN110895020B (en) | Refrigerant leakage detection method and air conditioner | |
| CN108548273A (en) | A kind of air-conditioning fault detection method and device | |
| JP5525965B2 (en) | Refrigeration cycle equipment | |
| WO2008006293A1 (en) | An approach and device for testing an air-condition | |
| WO2020087672A1 (en) | Detection element control method and apparatus, and air-conditioning unit | |
| JP5213990B2 (en) | Refrigeration air conditioner | |
| US11561019B2 (en) | Performance diagnosis device and performance diagnosis method for air conditioner | |
| CN109282424B (en) | Air conditioner control method and air conditioner control device | |
| CN113654182A (en) | Method for detecting refrigerant leakage, computer readable storage medium and air conditioner | |
| CN111023461B (en) | Detection control method and system of air conditioner, air conditioner and storage medium | |
| US11585560B2 (en) | Method of judging lack-of-freon in air conditioner, and air conditioner control method | |
| CN111140990A (en) | Filth blockage detection method for air conditioner heat exchanger and air conditioner | |
| AU2018423601B2 (en) | Failure diagnosis system | |
| WO2016063550A1 (en) | Control device for air conditioning system, air conditioning system, and method for determining anomaly of air conditioning system | |
| CN107894063B (en) | Multi-split system diagnosis method and multi-split system | |
| CN106766444B (en) | The liquid impact prevention control method and control device and air-conditioning system of air-conditioning system | |
| CN110940043B (en) | Air conditioner refrigerant leakage detection method and air conditioner | |
| JPWO2018163402A1 (en) | Air conditioner performance diagnosis apparatus and performance diagnosis method | |
| CN111006306B (en) | Multi-split air conditioner | |
| CN110940047B (en) | Refrigerant leakage detection method and air conditioner | |
| CN110940045B (en) | Air conditioner refrigerant leakage detection method and air conditioner | |
| CN110836519A (en) | Air conditioner refrigerant leakage detection method and detection system | |
| CN110848873B (en) | Air conditioner refrigerant fault detection method and air conditioner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |