CN104676818A - Multi-connected air conditioner mounting error detection method - Google Patents
Multi-connected air conditioner mounting error detection method Download PDFInfo
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- CN104676818A CN104676818A CN201310618329.XA CN201310618329A CN104676818A CN 104676818 A CN104676818 A CN 104676818A CN 201310618329 A CN201310618329 A CN 201310618329A CN 104676818 A CN104676818 A CN 104676818A
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- indoor set
- setup error
- change value
- air conditioner
- temperature change
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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
- F24F11/62—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
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/52—Indication arrangements, e.g. displays
-
- 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
- F24F11/56—Remote control
Abstract
The invention discloses a multi-connected air conditioner mounting error detection method. The multi-connected air conditioner comprises an outdoor unit and a plurality of indoor units. The detection method comprises the steps that S1, mounting error detection instructions are input; S2, the outdoor unit sends control instructions when receiving the mounting error detection instruction to start the plurality of the indoor units one by one to perform refrigeration or heating test running, detects the temperature change value delta T of indoor heat exchangers of the indoor units corresponding to the control instructions and/or other indoor units after preset time t, comparing the temperature change value delta T with the preset target temperature T0 and determines whether the indoor units are mounted mistakenly according to comparison results. By the aid of the method, mounting errors can be found rapidly and accurately, and the mounting quality and the mounting efficiency are improved.
Description
Technical field
The present invention relates to field of air conditioning, particularly relate to a kind of detection method of multi-connected air conditioner device setup error.
Background technology
Multi-connected air conditioner device (being commonly called as " one drag many "), refers to an off-premises station and connects two or more indoor set by pipe arrangement.When multi-connected air conditioner device is installed, pipeline and the necessary one_to_one corresponding of electrical cable, just can guarantee that air-conditioning normally runs.Generally by adding mark or ensureing installation quality by reinforcement to the mode of the training of installation personnel when existing multi-connected air conditioner device is installed.This mode is affected by human factors comparatively large, easily causes setup error.
Summary of the invention
For above-mentioned prior art present situation, technical problem to be solved by this invention is, provide a kind of detection method of multi-connected air conditioner device setup error, it can find multi-connected air conditioner device setup error rapidly and accurately, to improve installation quality and installation effectiveness.
In order to solve the problems of the technologies described above, the detection method of a kind of multi-connected air conditioner device setup error provided by the present invention, described multi-connected air conditioner device comprises off-premises station and multiple stage indoor set, and described detection method comprises the following steps:
S1, input setup error detect instruction;
S2, when receive described setup error detect instruction time, described off-premises station sends control instruction, open described multiple stage indoor set one by one to carry out freezing or heating trial run, after preset time t, detect the temperature change value △ T of the indoor heat exchanger of indoor set corresponding to described control instruction and/or other indoor sets, by this temperature change value △ T and the target temperature T preset
0compare, judge described indoor set whether setup error according to comparative result.
Wherein in an embodiment, described step S1 comprises:
S11, remote controller send setup error to any indoor set in described multiple stage indoor set and detect instruction;
S12, described indoor set receive described setup error and detect instruction, and send described setup error detection instruction to described off-premises station.
Wherein in an embodiment, described step S2 comprises:
After receiving described setup error detection instruction, described off-premises station sends control instruction, control n-th indoor set to carry out freezing or heating operation preset time t, detect the temperature change value △ T1 of the indoor heat exchanger of described n-th indoor set, and/or detect other the temperature change value △ T2 of indoor heat exchanger of m platform indoor set, by described temperature change value △ T1 and/or described temperature change value △ T2 and described target temperature T
0compare, judge described n-th indoor set and described m platform indoor set whether setup error according to comparative result;
If described n-th non-setup error of indoor set, then continue to detect next indoor set, if all indoor sets are all installed correctly, then exit detection.
Wherein in an embodiment, judge whether setup error comprises for described n-th indoor set and described m platform indoor set according to comparative result:
If described temperature change value △ T1 is less than described target temperature T
0, then described n-th indoor set setup error;
If described temperature change value △ T1 is less than described target temperature T
0, and described temperature change value △ T2 is more than or equal to described target temperature T
0, then described n-th indoor set and the equal setup error of described m platform indoor set;
If described temperature change value △ T1 is more than or equal to described target temperature T
0, and described temperature change value △ T2 is more than or equal to described target temperature T
0, then described m platform indoor set setup error.
Wherein in an embodiment, described detection method also comprises:
If described indoor set setup error, then represent that the error code of wrong content sends to corresponding described indoor set by comprising, and close air-conditioner; Corresponding described indoor set shows described error code.
Wherein in an embodiment, described preset time t is 2 ~ 5min.
Wherein in an embodiment, described temperature change value △ T=|Ta-Tb|, wherein, Ta be refrigeration or heating operation before the temperature of indoor heat exchanger of described indoor set, Tb be refrigeration or heating operation after the temperature Tb of this indoor heat exchanger.
Wherein in an embodiment, described target temperature T
0it is 3 ~ 8 DEG C.
Wherein in an embodiment, when refrigeration or heating operation, the running frequency controlling the compressor of described off-premises station is maximum frequency of operation.
The detection method of multi-connected air conditioner device setup error of the present invention, when receiving setup error and detecting instruction, off-premises station sends control instruction, open multiple stage indoor set one by one to carry out freezing or heat trial run preset time t, and the temperature change value △ T of the indoor heat exchanger of indoor set corresponding to detection control instruction and/or other indoor sets, by this temperature change value △ T and the target temperature T preset
0compare, judge described indoor set whether setup error according to comparative result.Setup error can be found rapidly and accurately by this detection method, improve installation quality and installation effectiveness.
Accompanying drawing explanation
Fig. 1 is the system diagram of multi-connected air conditioner device in prior art;
Fig. 2 is the flow chart of the detection method of multi-connected air conditioner device setup error in the embodiment of the present invention one;
Fig. 3 is the flow chart of the detection method of multi-connected air conditioner device setup error in the embodiment of the present invention two.
Detailed description of the invention
And the present invention is described in detail in conjunction with the embodiments below with reference to the accompanying drawings.It should be noted that, when not conflicting, the feature in following embodiment and embodiment can combine mutually.
Figure 1 shows that the system diagram of multi-connected air conditioner device of the prior art, First indoor set 20, second indoor set 30, the 3rd indoor set 40 and the 4th indoor set 50 that multi-connected air conditioner device is comprised an off-premises station 10 and connected by pipe arrangement.When multi-connected air conditioner device is installed, pipeline and the necessary one_to_one corresponding of electrical cable, just can guarantee that air-conditioning normally runs.The common setup error of multi-connected air conditioner device mainly contains following two kinds:
The first is indoor set pipeline and electrical cable mistake.See Fig. 1, if First indoor set 20 and second indoor set 30 setup error, namely the pipeline of First indoor set 20 and electrical cable are connected to the pipeline of second indoor set 30 and the position of electrical cable, and the pipeline of second indoor set 30 and electrical cable are connected to the pipeline of First indoor set 20 and the position of electrical cable.Now, when outdoor controller send open First indoor set 20 carry out the control instruction freezing or heat trial run time, cold-producing medium flows through the indoor heat exchanger of second indoor set 30, and do not have cold-producing medium to flow through in the indoor heat exchanger of First indoor set 20, therefore the temperature change value △ T detecting the indoor heat exchanger of certain hour (t) First indoor set 20 or the indoor heat exchanger of second indoor set 30 can be passed through, by this temperature change value △ T and the target temperature T preset
0compare, judge First indoor set 20 whether setup error (namely whether wiring error or expansion valve mistake) according to comparative result.
The second is expansion valve malfunction.See Fig. 1, if the expansion valve malfunction of the closed circuit at First indoor set 20 place, in the indoor heat exchanger of then First indoor set 20 not or have a small amount of cold-producing medium to flow through, therefore the temperature change value △ T of the indoor heat exchanger detecting certain hour (t) First indoor set 20 can be passed through, by this temperature change value △ T and the target temperature T preset
0compare, judge the expansion valve whether fault of the closed circuit at First indoor set 20 place according to comparative result.
Be described in detail below by the detection method of specific embodiment to multi-connected air conditioner device setup error of the present invention.
Embodiment one
As shown in Figure 2, the detection method of the multi-connected air conditioner device setup error in the present embodiment comprises the following steps:
After step S101, air-conditioner installation, installation personnel input setup error detects instruction.Specific as follows:
Installation personnel sends setup error by remote controller to any indoor set in multiple stage indoor set and detects instruction;
The indoor controller of described indoor set receives after described setup error detects instruction, described setup error is detected instruction and sends described off-premises station to.
Step S102, to detect after instruction when the indoor controller of described indoor set receives described setup error, described indoor controller sends control instruction, control n-th indoor set to carry out freezing or heating operation, and detect the temperature Tan of the indoor heat exchanger of n-th indoor set.
Step S103, after preset time t (preset time t is 2 ~ 5min), detect the temperature Tbn of the indoor heat exchanger of described n-th indoor set;
Step S104, by the temperature change value △ T1 (△ T1=|Tan-Tbn|) of the indoor heat exchanger of n-th indoor set and described target temperature T
0compare, if described temperature change value △ T1 is less than described target temperature T
0, then described n-th indoor set setup error, proceeds to step S105, if described temperature change value △ T1 is more than or equal to described target temperature T
0, then described n-th non-setup error of indoor set, proceeds to step S106.More preferably, described target temperature T
0be 3 ~ 8 DEG C, further, described target temperature T
0it is 5 DEG C.
By comprising, step S105, outdoor controller represent that the error code (wiring error or expansion valve malfunction) of wrong content sends to corresponding indoor set, and close air-conditioner, corresponding indoor set display error code.Now, installation personnel can find setup error fast according to error code, improves installation quality and installation effectiveness.
Step S106, continuation detect next indoor set, repeat step 102 to step 105.
If all indoor sets are all installed correctly, then exit detection, return to indoor set remote controller set condition and perform.
More preferably, when refrigeration or heating operation, the running frequency controlling the compressor of described off-premises station is maximum frequency of operation.
Embodiment two
As shown in Figure 3, the detection method of the multi-connected air conditioner device setup error in the present embodiment and embodiment one unlike, the temperature change value △ T1 of detection method by the indoor heat exchanger of n-th indoor set of detection n-th indoor set and the temperature change value △ T2 of the indoor heat exchanger of other m platform indoor set of the multi-connected air conditioner device setup error in the present embodiment, and by described temperature change value △ T1, described temperature change value △ T2 and described target temperature T
0compare, judge described n-th indoor set and described m platform indoor set whether setup error according to comparative result.Specific as follows:
After step S201, air-conditioner installation, installation personnel input setup error detects instruction.Specific as follows.
Step S202, to detect after instruction when the indoor controller of described indoor set receives described setup error, described indoor controller sends control instruction, control n-th indoor set to carry out freezing or heating operation, and detect the temperature Tam of the temperature Tan of the indoor heat exchanger of n-th indoor set and the indoor heat exchanger of m platform indoor set, wherein, m > n.
Step S203, after preset time t (preset time t is 2 ~ 5min), detect the temperature Tbn of indoor heat exchanger of n-th indoor set and the temperature Tbm of the indoor heat exchanger of m platform indoor set.
Step S204, by the temperature change value △ T1 (△ T1=|Tan-Tbn|) of the indoor heat exchanger of n-th indoor set and described target temperature T
0compare, if described temperature change value △ T1 is less than described target temperature T
0, then described n-th indoor set setup error, proceeds to step S205, if described temperature change value △ T1 is more than or equal to described target temperature T
0, then step S206 is proceeded to.More preferably, described target temperature T
0be 3 ~ 8 DEG C, further, described target temperature T
0it is 5 DEG C.
By comprising, step S205, outdoor controller represent that the error code (wiring error or expansion valve malfunction) of wrong content sends to corresponding described indoor set, and close air-conditioner, corresponding indoor set display error code.Now, installation personnel can find setup error fast according to error code, improves installation quality and installation effectiveness.
Step S206, by the temperature change value △ T2 (△ T2=|Tam-Tbm|) of the indoor heat exchanger of m platform indoor set and described target temperature T
0compare, if described temperature change value △ T2 is more than or equal to described target temperature T
0, then described m platform indoor set setup error, proceeds to step S205, if described temperature change value △ T2 is less than described target temperature T
0, then the non-setup error of described m platform indoor set, then proceed to step S207.More preferably, described target temperature T
0be 3 ~ 8 DEG C, further, described target temperature T
0it is 5 DEG C.
Step S207, continuation detect next indoor set, repeat step 202 to step 206.
If all indoor sets are all installed correctly, then exit detection, return to indoor set remote controller set condition and perform.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (9)
1. a detection method for multi-connected air conditioner device setup error, described multi-connected air conditioner device comprises off-premises station and multiple stage indoor set, it is characterized in that, described detection method comprises the following steps:
S1, input setup error detect instruction;
S2, when receive described setup error detect instruction time, described off-premises station sends control instruction, open described multiple stage indoor set one by one to carry out freezing or heating trial run, after preset time t, detect the temperature change value △ T of the indoor heat exchanger of indoor set corresponding to described control instruction and/or other indoor sets, by this temperature change value △ T and the target temperature T preset
0compare, judge described indoor set whether setup error according to comparative result.
2. the detection method of multi-connected air conditioner device setup error according to claim 1, it is characterized in that, described step S1 comprises:
S11, remote controller send setup error to any indoor set in described multiple stage indoor set and detect instruction;
S12, described indoor set receive described setup error and detect instruction, and send described setup error detection instruction to described off-premises station.
3. the detection method of multi-connected air conditioner device setup error according to claim 1, it is characterized in that, described step S2 comprises:
After receiving described setup error detection instruction, described off-premises station sends control instruction, control n-th indoor set to carry out freezing or heating operation preset time t, detect the temperature change value △ T1 of the indoor heat exchanger of described n-th indoor set, and/or detect other the temperature change value △ T2 of indoor heat exchanger of m platform indoor set, by described temperature change value △ T1 and/or described temperature change value △ T2 and described target temperature T
0compare, judge described n-th indoor set and described m platform indoor set whether setup error according to comparative result;
If described n-th non-setup error of indoor set, then continue to detect next indoor set, if all indoor sets are all installed correctly, then exit detection.
4. the detection method of multi-connected air conditioner device setup error according to claim 3, is characterized in that, judges whether setup error comprises for described n-th indoor set and described m platform indoor set according to comparative result:
If described temperature change value △ T1 is less than described target temperature T
0, then described n-th indoor set setup error;
If described temperature change value △ T1 is less than described target temperature T
0, and described temperature change value △ T2 is more than or equal to described target temperature T
0, then described n-th indoor set and the equal setup error of described m platform indoor set;
If described temperature change value △ T1 is more than or equal to described target temperature T
0, and described temperature change value △ T2 is more than or equal to described target temperature T
0, then described m platform indoor set setup error.
5. the detection method of multi-connected air conditioner device setup error according to claim 1, it is characterized in that, described detection method also comprises:
If described indoor set setup error, then represent that the error code of wrong content sends to corresponding described indoor set by comprising, and close air-conditioner; Corresponding described indoor set shows described error code.
6. the detection method of multi-connected air conditioner device setup error according to claim 1, is characterized in that, described preset time t is 2 ~ 5min.
7. the detection method of multi-connected air conditioner device setup error according to claim 1, it is characterized in that, described temperature change value △ T=|Ta-Tb|, wherein, Ta be refrigeration or heating operation before the temperature of indoor heat exchanger of described indoor set, Tb be refrigeration or heating operation after the temperature of this indoor heat exchanger.
8. the detection method of multi-connected air conditioner device setup error according to claim 1, is characterized in that, described target temperature T
0it is 3 ~ 8 DEG C.
9. the detection method of multi-connected air conditioner device setup error according to claim 1, is characterized in that, when freezing or heat trial run, the running frequency controlling the compressor of described off-premises station is maximum frequency of operation.
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| CN105241027A (en) * | 2015-10-30 | 2016-01-13 | 广东美的暖通设备有限公司 | Multi-split air-conditioning system and fault detection method for heat exchanging valves of multi-split air-conditioning system |
| CN105299841A (en) * | 2015-11-12 | 2016-02-03 | 广东美的暖通设备有限公司 | Multi-split air conditioning system and fault detection method of heat exchange valve bodies of outdoor heat exchanger of multi-split air conditioning system |
| CN105650770A (en) * | 2016-01-28 | 2016-06-08 | 芜湖美智空调设备有限公司 | Multi-split system and error correction control method thereof |
| CN105953483A (en) * | 2016-04-25 | 2016-09-21 | 广东美的暖通设备有限公司 | Multiple-on-line system and failure detection method for throttling elements of indoor units of multiple-on-line system |
| CN106556109A (en) * | 2016-11-11 | 2017-04-05 | 广东美的暖通设备有限公司 | The wireline inspection method of air conditioning system and air conditioning system |
| CN107289582A (en) * | 2017-06-08 | 2017-10-24 | 广东美的暖通设备有限公司 | Air-conditioning system and its anti-wrong detection control method of power supply wiring and repair method |
| CN107289597A (en) * | 2017-08-02 | 2017-10-24 | 珠海格力电器股份有限公司 | Adjustment method, device and the air conditioner of dual system condensation pipe of air conditioner anti-misconnection |
| CN107525218A (en) * | 2017-07-27 | 2017-12-29 | 奥克斯空调股份有限公司 | A kind of self-adaptation control method and system of A/C pressure switch wiring |
| CN110671860A (en) * | 2018-07-03 | 2020-01-10 | 大宇电子株式会社 | Apparatus and method for diagnosing valve malfunction of refrigerator |
| CN110986291A (en) * | 2019-11-25 | 2020-04-10 | 海信（山东）空调有限公司 | Equipment management method and device and air conditioner |
| CN110986269A (en) * | 2019-11-12 | 2020-04-10 | 青岛海尔空调器有限总公司 | Method for detecting and controlling dislocation of expansion valve of multi-split air conditioner under heating working condition |
| CN113357746A (en) * | 2021-05-18 | 2021-09-07 | 青岛海尔空调器有限总公司 | Electronic expansion valve abnormality detection control method and device, air conditioner and storage medium |
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| CN105241027B (en) * | 2015-10-30 | 2018-04-06 | 广东美的暖通设备有限公司 | The fault detection method of multiple on-line system and its valve body that exchanges heat |
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| CN106556109A (en) * | 2016-11-11 | 2017-04-05 | 广东美的暖通设备有限公司 | The wireline inspection method of air conditioning system and air conditioning system |
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| CN107289582A (en) * | 2017-06-08 | 2017-10-24 | 广东美的暖通设备有限公司 | Air-conditioning system and its anti-wrong detection control method of power supply wiring and repair method |
| CN107525218A (en) * | 2017-07-27 | 2017-12-29 | 奥克斯空调股份有限公司 | A kind of self-adaptation control method and system of A/C pressure switch wiring |
| CN107525218B (en) * | 2017-07-27 | 2019-10-18 | 奥克斯空调股份有限公司 | A kind of self-adaptation control method and system of A/C pressure switch wiring |
| CN107289597A (en) * | 2017-08-02 | 2017-10-24 | 珠海格力电器股份有限公司 | Adjustment method, device and the air conditioner of dual system condensation pipe of air conditioner anti-misconnection |
| CN107289597B (en) * | 2017-08-02 | 2019-07-16 | 珠海格力电器股份有限公司 | Adjustment method, device and the air conditioner of dual system condensation pipe of air conditioner anti-misconnection |
| CN110671860A (en) * | 2018-07-03 | 2020-01-10 | 大宇电子株式会社 | Apparatus and method for diagnosing valve malfunction of refrigerator |
| CN110986269A (en) * | 2019-11-12 | 2020-04-10 | 青岛海尔空调器有限总公司 | Method for detecting and controlling dislocation of expansion valve of multi-split air conditioner under heating working condition |
| CN110986291A (en) * | 2019-11-25 | 2020-04-10 | 海信（山东）空调有限公司 | Equipment management method and device and air conditioner |
| CN113357746A (en) * | 2021-05-18 | 2021-09-07 | 青岛海尔空调器有限总公司 | Electronic expansion valve abnormality detection control method and device, air conditioner and storage medium |
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