CN103375874B - Air conditioner and refrigerant circulation abnormity protection control method of air conditioner - Google Patents
Air conditioner and refrigerant circulation abnormity protection control method of air conditioner Download PDFInfo
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- CN103375874B CN103375874B CN201210121290.6A CN201210121290A CN103375874B CN 103375874 B CN103375874 B CN 103375874B CN 201210121290 A CN201210121290 A CN 201210121290A CN 103375874 B CN103375874 B CN 103375874B
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Abstract
The invention provides an air conditioner and a refrigerant circulation abnormity protection control method of the air conditioner. The abnormal refrigerant circulation protecting and controlling device for air conditioner includes: the device comprises a sampling module, a data processing module, an execution module and an output display module; once the data processing module judges that the refrigerant circulation has an abnormal fault, the execution module controls the air conditioner to be protected and shut down after receiving the instruction of the data processing module; judging whether the air conditioner has n times of protective shutdown continuously, if so, controlling the air conditioner by the execution module to not automatically recover the operation, and recovering the operation only by powering on again or remotely controlling shutdown and starting up again; and the output display module receives the instruction of the data processing module or the execution module and controls the display device of the indoor unit of the air conditioner to display the refrigerant circulation abnormal fault code.
Description
Technical field
The present invention relates to technical field of air conditioner, particularly relate to the refrigerant circulation abnormal protection control method of air-conditioner and air-conditioner.
Background technology
At present; air-conditioner is in state after sale and user's use procedure; particularly air-conditioning runs after installing for the first time; there is air-conditioner stop valve and close situation about not being opened always; operate after causing starting of air conditioner abnormal; regular protection is shut down, and long-term bad operation will cause the damage of components such as compressor.
And in prior art, still not for the situation of above-mentioned generation, the relevant safeguard measure of formulation and the method for display fault; Once this fault produces, user identifies and after-sales service personnel investigate equal inconvenience.
Summary of the invention
The object of the present invention is to provide the refrigerant circulation abnormal protection control method of a kind of air-conditioner and air-conditioner; when there is air-conditioner stop valve closedown and causing the situation of refrigerant circulation exception; compressor can be protected in time to avoid bad operation and frequent start-stop to run; the each parts of protection air-conditioner are not damaged, and improve unfailing performance.
The present invention is achieved through the following technical solutions:
Air-conditioner, includes control system; Described control system includes refrigerant circulation abnormal protection control device;
Described refrigerant circulation abnormal protection control device includes:
Sampling module, in order to sample in indoor heat exchanger Guan Wen, outdoor heat exchanger Guan Wen, indoor environment temperature, outside environment temperature and compressor operating frequency, and transmits sampled signal;
Duration detection module, in order to detect the time of described air-conditioner begin column;
Data processing module, in order to receive the sampled signal of sampling module transmission, and judges sampled signal, makes the instruction that refrigerant circulation has abnormal failure;
Executive Module, in order to receive the instruction of data processing module, controls to carry out protection when air-conditioner meets refrigerant circulation exception and shuts down.
Described duration detection module comprises:
First duration detection module, detects in order to the time t1 starting described air-conditioner to freeze or dehumidifying runs;
Second duration detection module, the time t2 starting heating operation in order to described air-conditioner detects.
Described sampling module comprises:
First sampling module, in order to sample to indoor heat exchanger tube wall temperature;
Second sampling module, in order to sample to outdoor heat exchanger tube wall temperature;
3rd sampling module, in order to sample to outside environment temperature;
4th sampling module, in order to sample to indoor environment temperature;
5th sampling module, in order to sample to compressor operating frequency.
Described data processing module comprises:
First data processing module, in order to receive the sampled signal of sampling module transmission when described air-conditioner refrigeration or dehumidifying are run, and judges sampled signal, makes the instruction that refrigerant circulation has abnormal failure;
Second data processing module, in order to receive the sampled signal of sampling module transmission when described air conditioner heat-production runs, and judges sampled signal, makes the instruction that refrigerant circulation has abnormal failure.
Described first data processing module comprises:
First computing module, the magnitude relationship of compressor operating frequency and low frequency dwell point frequency during in order to judge that described air-conditioner starts to freeze or dehumidify the time t1 run;
Second computing module, the difference of indoor heat exchanger tube wall temperature and the magnitude relationship of the first preset temperature during in order to judge that indoor heat exchanger tube wall temperature and described air-conditioner start to freeze or dehumidify the time t1 run when described air-conditioner starts to freeze or dehumidify operation;
3rd computing module, the difference of indoor heat exchanger tube wall temperature and the magnitude relationship of the first preset temperature during in order to judge that indoor environment temperature and described air-conditioner start to freeze or dehumidify the time t1 run when described air-conditioner starts to freeze or dehumidify the time t1 run;
4th computing module, in order to judge when the time t1 that described air-conditioner starts to freeze or dehumidifying runs outdoor heat exchanger tube wall temperature and described air-conditioner start to freeze or dehumidify run time the difference of outdoor heat exchanger tube wall temperature and the magnitude relationship of the first preset temperature;
5th computing module, before judging that described air-conditioner starts refrigeration or dehumidifying operation, the relation of outside environment temperature and the second preset temperature and the 3rd preset temperature.
Described second data processing module comprises:
6th computing module, the magnitude relationship of compressor operating frequency and low frequency dwell point frequency during in order to judge that described air-conditioner starts the time t2 of heating operation;
7th computing module, the difference of indoor heat exchanger tube wall temperature and the magnitude relationship of the 4th preset temperature during in order to judge that when described air-conditioner starts the time t2 of heating operation indoor heat exchanger tube wall temperature and air-conditioner start heating operation;
8th computing module, the difference of indoor environment temperature and the magnitude relationship of the 4th preset temperature during in order to judge that when described air-conditioner starts the time t2 of heating operation indoor heat exchanger tube wall temperature and air-conditioner start heating operation;
9th computing module, in order to judge air-conditioner from heating operation to described air-conditioner start heating operation time t2 during this period of time in the maximum of outdoor heat exchanger tube wall temperature and described air-conditioner start the time t2 of heating operation time the difference of outdoor heat exchanger tube wall temperature and the magnitude relationship of the 4th preset temperature;
Tenth computing module, before judging that described air-conditioner starts heating operation, outside environment temperature and the 5th preset temperature relation.
Described Executive Module comprises:
When first computing module, the second computing module, the 3rd computing module, the 4th computing module, the 5th computing module all judge to satisfy condition in the first data processing module, perform the first Executive Module that protection is shut down.
Described Executive Module comprises:
When 6th computing module, the 7th computing module, the 8th computing module, the 9th computing module, the tenth computing module all judge to satisfy condition in the second data processing module, perform the second Executive Module that protection is shut down.
Described data processing module also comprises:
The 3rd data processing module that the number of times having the instruction of abnormal failure in order to make refrigerant circulation to described data processing module adds up
Described Executive Module also comprises:
When reaching pre-determined times in order to cumulative number, air-conditioner is performed and shuts down and the 3rd Executive Module that can not automatically resume operation.
Described refrigerant circulation abnormal protection control device also includes: output display module, in order to receive the instruction of described 3rd data processing module, controls air conditioner room unit display unit display refrigerant circulation abnormal failure code; Described output display module and indoor set display unit are electrically connected.
According to a further aspect in the invention, a kind of refrigerant circulation abnormal protection control method of air-conditioner is provided.
Control method according to the present invention comprises:
Sample in indoor heat exchanger Guan Wen, outdoor heat exchanger Guan Wen, indoor environment temperature, outside environment temperature and compressor operating frequency, and sampled signal is transmitted;
The time that described air-conditioner brings into operation is detected;
Receive sampled signal, and sampled signal is judged, make the instruction that refrigerant circulation has abnormal failure;
Receive instruction, control to carry out protection when described air-conditioner meets refrigerant circulation exception and shut down.
The time brought into operation to described air-conditioner carries out detection and comprises:
The time t1 that air-conditioner starts to freeze or dehumidifying runs is detected;
Time t2 air-conditioner being started to heating operation detects.
Receive the sampled signal of sampling module transmission, and sampled signal to be judged, make the instruction that refrigerant circulation has an abnormal failure and comprise:
Receive the sampled signal of sampling module transmission when air-conditioner refrigeration or dehumidifying are run, and sampled signal is judged, make the instruction that refrigerant circulation has abnormal failure;
Receive the sampled signal of sampling module transmission when air conditioner heat-production is run, and sampled signal is judged, make the instruction that refrigerant circulation has abnormal failure.
Air-conditioner refrigeration or dehumidifying receive the sampled signal of sampling module transmission when running, and judge sampled signal, make the instruction that refrigerant circulation has an abnormal failure and comprise:
The magnitude relationship of compressor operating frequency and low frequency dwell point frequency when judging that described air-conditioner starts to freeze or dehumidify the time t1 run;
The difference of indoor heat exchanger tube wall temperature and the magnitude relationship of the first preset temperature when judging that indoor heat exchanger tube wall temperature and described air-conditioner start to freeze or dehumidify the time t1 run when described air-conditioner starts to freeze or dehumidify operation;
The difference of indoor heat exchanger tube wall temperature and the magnitude relationship of the first preset temperature when judging that indoor environment temperature and described air-conditioner start to freeze or dehumidify the time t1 run when described air-conditioner starts to freeze or dehumidify the time t1 run;
Judge that outdoor heat exchanger tube wall temperature and described air-conditioner start freeze or the dehumidify difference of outdoor heat exchanger tube wall temperature and the magnitude relationship of the first preset temperature when running when described air-conditioner starts to freeze or dehumidify the time t1 run;
Before judging that described air-conditioner starts refrigeration or dehumidifying operation, the relation of outside environment temperature and the second preset temperature and the 3rd preset temperature.
When described judgement all judges to satisfy condition, perform protection and shut down.
Make to described processing module the number of times that refrigerant circulation has an instruction of abnormal failure to add up.
When described make number of times that refrigerant circulation has an instruction of abnormal failure reach pre-determined number time, air-conditioner performs shuts down and can not automatically resume operation.
Described air-conditioner performs shutdown and when can not automatically resume operation, air conditioner room unit display unit shows refrigerant circulation abnormal failure code.
Receive the sampled signal of sampling module transmission when air conditioner heat-production is run, and sampled signal to be judged, make the instruction that refrigerant circulation has an abnormal failure and comprise:
The magnitude relationship of compressor operating frequency and low frequency dwell point frequency when judging that described air-conditioner starts the time t2 of heating operation;
The difference of indoor heat exchanger tube wall temperature and the magnitude relationship of the 4th preset temperature when judging that when described air-conditioner starts the time t2 of heating operation indoor heat exchanger tube wall temperature and air-conditioner start heating operation;
The difference of indoor environment temperature and the magnitude relationship of the 4th preset temperature when judging that when described air-conditioner starts the time t2 of heating operation indoor heat exchanger tube wall temperature and air-conditioner start heating operation;
Judge air-conditioner from heating operation to described air-conditioner start heating operation time t2 during this period of time in the maximum of outdoor heat exchanger tube wall temperature and described air-conditioner start the time t2 of heating operation time the difference of outdoor heat exchanger tube wall temperature and the magnitude relationship of the 4th preset temperature;
Before judging that described air-conditioner starts heating operation, outside environment temperature and the 5th preset temperature relation.
When described judgement all judges to satisfy condition, perform protection and shut down.
Make to described processing module the number of times that refrigerant circulation has an instruction of abnormal failure to add up.
When described make number of times that refrigerant circulation has an instruction of abnormal failure reach pre-determined number time, air-conditioner performs shuts down and can not automatically resume operation.
Described air-conditioner performs shutdown and when can not automatically resume operation, air conditioner room unit display unit shows refrigerant circulation abnormal failure code.
Beneficial effect of the present invention is as follows:
The refrigerant circulation abnormal protection control method of air-conditioner of the present invention and air-conditioner, because the refrigerant circulation abnormal protection control device of air-conditioner includes: sampling module, data processing module, Executive Module, output display module; Data processing module, once judge that refrigerant circulation has abnormal failure, after Executive Module receives the instruction of data processing module, controls air-conditioner protection and shuts down; And judge whether air-conditioner occurs that n protection is shut down continuously, in this way, then Executive Module control air-conditioner can not resume operation automatically, and needs re-power or remote-control closedown is started shooting and could be recovered; Output display module, receives the instruction of data processing module or Executive Module, controls air conditioner room unit display unit display refrigerant circulation abnormal failure code.Ensure that air-conditioner part reliability, prevent occur as air-conditioner stop valve the situation such as not open under to start shooting the bad operation of appearance, prevent the bad important core components and parts running damage air-conditioner, ensure to be used for being easy to identify fault, and convenient for maintaining personnel investigate fault simultaneously.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of air-conditioner of the present invention refrigeration or refrigerant circulation abnormal protection control method when running that dehumidifies.
The schematic flow sheet of refrigerant circulation abnormal protection control method when Fig. 2 is air conditioner heat-production of the present invention operation.
Detailed description of the invention
When air-conditioning runs after installing for the first time, there is air-conditioner stop valve and close situation about not opening, cause starting of air conditioner to operate abnormal, regular protection is shut down, and long-term bad operation causes the damage of components such as compressor.In order to solve the problem, the invention provides a kind of scheme, its detailed description of the invention is as follows:
As shown in Figure 1, refrigerant circulation abnormal protection control method when air-conditioner refrigeration of the present invention or dehumidifying run is that air-conditioner powers on first, and during compressor start, the first sampling module in sampling module, the second sampling module and the 3rd sampling module are respectively to T
interior pipe, i.e. indoor heat exchanger tube wall temperature, T
outer tube, i.e. outdoor heat exchanger tube wall temperature, T
outer shroud, namely outside environment temperature is sampled, and obtains sampled data T
0, T1, T
2, and sampled signal is transferred to data processing module;
After detecting that air-conditioner refrigeration or dehumidifying run 1min by the first duration detection module, the first sampling module in sampling module, the second sampling module, the 3rd sampling module, the 4th sampling module and the 5th sampling module are respectively to T
interior pipe, T
outer tube, T
outer shroud, T
inner ringand compressor operating frequency f is sampled, and obtains sampled data T
0', T1 ', T
2', T
3' and compressor operating frequency f
1and sampled signal is transferred to data processing module; It should be noted that, air-conditioner refrigeration or dehumidifying are not limited to 1min running time, are 1min to 3min.
The first computing module in first data processing module is to f
1judge with the magnitude relationship of low frequency dwell point frequency.Low frequency dwell point frequency is the Frequency point that in raising frequency process, first stops, and be generally set as 30-50Hz, preferably, low frequency dwell point frequency is 40Hz.
Second computing module is to T
0with T
0' difference and the magnitude relationship of the first preset temperature judge, wherein the first preset temperature is 1 DEG C-5 DEG C, and preferably, the first preset temperature is 3 DEG C.
3rd computing module is to T
3' and T
0' difference and the magnitude relationship of the first preset temperature judge, wherein the first preset temperature is 1 DEG C-5 DEG C, and preferably, the first preset temperature is 3 DEG C.
4th computing module judges T1 ' and the difference of T1 and the magnitude relationship of the first preset temperature, and wherein the first preset temperature is 1 DEG C-5 DEG C, and preferably, the first preset temperature is 3 DEG C.
5th computing module, before judging that described air-conditioner starts refrigeration or dehumidifying operation, T
2judge with the magnitude relationship of the second preset temperature and the 3rd preset temperature.Wherein the second preset temperature is 5 DEG C, and the 3rd preset temperature is 43 DEG C.
When above-mentioned computing module judges to meet f simultaneously
1be not less than 40Hz, T
0with T
0' difference be not more than 3 DEG C, T
3' and T
0' difference be not more than 3 DEG C, the difference of T1 ' and T1 is not more than 3 DEG C, T
2when being not less than 5 DEG C and being not more than 43 DEG C, the first Executive Module controls air-conditioner protection and shuts down.
Automatically start after shutting down 3min-5min, restart to carry out second time data sampling simultaneously.Preferably, downtime is 3min.
If air-conditioner does not occur that protection is shut down, then normally run; Shut down if protecting appears in air-conditioner again, namely continuous appearance for 2 times protects shutdown, then can not automatically resume operation, needs re-power or remote-control closedown is started shooting and could be recovered.Output display module, after receiving the instruction of data processing module or Executive Module, controls air conditioner room unit display unit display refrigerant circulation abnormal failure code F0.It should be noted that, described protection machine stop times, those skilled in the art can select according to the actual requirements, are not limited to 2 times, generally can select 1 time, 2 times or 3 times.
As shown in Figure 2; refrigerant circulation abnormal protection control method when air conditioner heat-production of the present invention runs is; air-conditioner powers on first, and during compressor start, the first sampling module in sampling module, the second sampling module, the 3rd sampling module and the 4th sampling module are respectively to T
interior pipe, i.e. indoor heat exchanger tube wall temperature, T
outer tube, i.e. outdoor heat exchanger tube wall temperature, T
outer shroud, i.e. outside environment temperature and T
inner ring, namely indoor environment temperature is carried out sampling and is sampled, and obtains sampled data T
4, T
5, T
6, T
7, and sampled signal is transferred to data processing module; It should be noted that, now the second sampling module is to T
outer tube, namely the sampling of outdoor heat exchanger tube wall temperature is lasting.
After detecting that air-conditioner refrigeration or dehumidifying run 3min by the second duration detection module, the first sampling module in sampling module, the second sampling module, the 3rd sampling module, the 4th sampling module and the 5th sampling module are respectively to T
interior pipe, T
outer tube, T
outer shroud, T
inner ringand compressor operating frequency f is sampled, and obtains sampled data T
4', T
5', T
6', T
7' and compressor operating frequency f
2and sampled signal is transferred to data processing module; Second sampling module will all to T in this period of running time simultaneously
outer tube, namely the sampled signal of outdoor heat exchanger tube wall temperature is transferred to data processing module.It should be noted that, air conditioner heat-production is not limited to 3min running time, is no less than 3min.
The 6th computing module in second data processing module is to f
2judge with the magnitude relationship of low frequency dwell point frequency.Low frequency dwell point frequency is the Frequency point that in raising frequency process, first stops, and be generally set as 30-50Hz, preferably, low frequency dwell point frequency is 40Hz.
7th computing module is to T
4' and T
4difference and the magnitude relationship of the 4th preset temperature judge, wherein the 4th preset temperature is 1 DEG C-5 DEG C, and preferably, the 4th preset temperature is 5 DEG C.
8th computing module is to T
4' and T
7difference and the magnitude relationship of the first preset temperature judge, wherein the 4th preset temperature is 1 DEG C-5 DEG C, and preferably, the 4th preset temperature is 5 DEG C.
9th computing module is to T all in the 3min of heating operation
outer tubethe i.e. maximum of T of outdoor heat exchanger tube wall temperature
5maxwith T
5' difference and the magnitude relationship of the 4th preset temperature judge, wherein the 4th preset temperature is 1 DEG C-5 DEG C, and preferably, the 4th preset temperature is 5 DEG C.
Tenth computing module, before judging that described air-conditioner starts heating operation, T
6judge with the magnitude relationship of the 5th preset temperature.Wherein the 5th preset temperature is 5 DEG C.
When above-mentioned computing module judges to meet f simultaneously
2be not less than 40Hz, T
4' and T
4difference be not more than 5 DEG C, T
4' and T
7difference be not more than 5 DEG C, T
5maxwith T
5' difference be not more than 5 DEG C, T
6when being not less than 5 DEG C, the second Executive Module controls air-conditioner protection and shuts down.
Automatically start after shutting down 3min-5min, restart to carry out second time data sampling simultaneously.Preferably, downtime is 3min.
If air-conditioner does not occur that protection is shut down, then normally run; Shut down if protecting appears in air-conditioner again, namely continuous appearance for 2 times protects shutdown, then can not automatically resume operation, needs re-power or remote-control closedown is started shooting and could be recovered.Output display module, after receiving the instruction of data processing module or Executive Module, controls air conditioner room unit display unit display refrigerant circulation abnormal failure code F0.It should be noted that, described protection machine stop times, those skilled in the art can select according to the actual requirements, are not limited to 2 times, generally can select 1 time, 2 times or 3 times.
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.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (21)
1. air-conditioner, includes control system; It is characterized in that, described control system includes refrigerant circulation abnormal protection control device;
Described refrigerant circulation abnormal protection control device includes:
Sampling module, in order to sample in indoor heat exchanger Guan Wen, outdoor heat exchanger Guan Wen, indoor environment temperature, outside environment temperature and compressor operating frequency, and transmits sampled signal; Described sampling module comprises: the 5th sampling module, in order to sample to compressor operating frequency;
Duration detection module, detected in order to the time brought into operation to described air-conditioner; Described duration detection module comprises: the first duration detection module, detects in order to the time t1 starting described air-conditioner to freeze or dehumidifying runs;
Data processing module, in order to receive the sampled signal of sampling module transmission, and judges sampled signal, makes the instruction that refrigerant circulation has abnormal failure; Described data processing module comprises:
First data processing module, in order to receive the sampled signal of sampling module transmission when described air-conditioner refrigeration or dehumidifying are run, and judges sampled signal, makes the instruction that refrigerant circulation has abnormal failure;
Described first data processing module comprises:
First computing module, the magnitude relationship of compressor operating frequency and low frequency dwell point frequency during in order to judge that described air-conditioner starts to freeze or dehumidify the time t1 run;
Executive Module, in order to receive the instruction of data processing module, controls air-conditioner and carries out protection shutdown.
2. air-conditioner according to claim 1, is characterized in that, described duration detection module comprises:
Second duration detection module, the time t2 starting heating operation in order to described air-conditioner detects.
3. air-conditioner according to claim 2, is characterized in that, described sampling module comprises:
First sampling module, in order to sample to indoor heat exchanger tube wall temperature;
Second sampling module, in order to sample to outdoor heat exchanger tube wall temperature;
3rd sampling module, in order to sample to outside environment temperature;
4th sampling module, in order to sample to indoor environment temperature.
4. air-conditioner according to claim 3, is characterized in that, described data processing module comprises:
Second data processing module, in order to receive the sampled signal of sampling module transmission when described air conditioner heat-production runs, and judges sampled signal, makes the instruction that refrigerant circulation has abnormal failure.
5. air-conditioner according to claim 4, is characterized in that, described first data processing module comprises:
Second computing module, the difference of indoor heat exchanger tube wall temperature and the magnitude relationship of the first preset temperature during in order to judge that indoor heat exchanger tube wall temperature and described air-conditioner start to freeze or dehumidify the time t1 run when described air-conditioner starts to freeze or dehumidify operation;
3rd computing module, the difference of indoor heat exchanger tube wall temperature and the magnitude relationship of the first preset temperature during in order to judge that indoor environment temperature and described air-conditioner start to freeze or dehumidify the time t1 run when described air-conditioner starts to freeze or dehumidify the time t1 run;
4th computing module, in order to judge when the time t1 that described air-conditioner starts to freeze or dehumidifying runs outdoor heat exchanger tube wall temperature and described air-conditioner start to freeze or dehumidify run time the difference of outdoor heat exchanger tube wall temperature and the magnitude relationship of the first preset temperature;
5th computing module, before judging that described air-conditioner starts refrigeration or dehumidifying operation, the relation of outside environment temperature and the second preset temperature and the 3rd preset temperature.
6. air-conditioner according to claim 4, is characterized in that, described second data processing module comprises:
6th computing module, the magnitude relationship of compressor operating frequency and low frequency dwell point frequency during in order to judge that described air-conditioner starts the time t2 of heating operation;
7th computing module, the difference of indoor heat exchanger tube wall temperature and the magnitude relationship of the 4th preset temperature during in order to judge that when described air-conditioner starts the time t2 of heating operation indoor heat exchanger tube wall temperature and air-conditioner start heating operation;
8th computing module, the difference of indoor environment temperature and the magnitude relationship of the 4th preset temperature during in order to judge that when described air-conditioner starts the time t2 of heating operation indoor heat exchanger tube wall temperature and air-conditioner start heating operation;
9th computing module, in order to judge air-conditioner from heating operation to described air-conditioner start heating operation time t2 during this period of time in the maximum of outdoor heat exchanger tube wall temperature and described air-conditioner start the time t2 of heating operation time the difference of outdoor heat exchanger tube wall temperature and the magnitude relationship of the 4th preset temperature;
Tenth computing module, before judging that described air-conditioner starts heating operation, outside environment temperature and the 5th preset temperature relation.
7. air-conditioner according to claim 5, is characterized in that, described Executive Module comprises:
In the first data processing module, the first computing module, the second computing module, the 3rd computing module, the 4th computing module, the 5th computing module all judge to satisfy condition, and perform the first Executive Module that protection is shut down.
8. air-conditioner according to claim 6, is characterized in that, described Executive Module comprises:
In the second data processing module, the 6th computing module, the 7th computing module, the 8th computing module, the 9th computing module, the tenth computing module all judge to satisfy condition, and perform the second Executive Module that protection is shut down.
9. air-conditioner according to claim 4, is characterized in that, described data processing module comprises:
The 3rd data processing module that the number of times having the instruction of abnormal failure in order to make refrigerant circulation to described data processing module adds up.
10. air-conditioner according to claim 9, is characterized in that, described Executive Module comprises:
Shut down and the 3rd Executive Module that can not automatically resume operation in order to receive the 3rd data processing module instruction and to perform air-conditioner.
11. air-conditioners according to claim 10, it is characterized in that, described refrigerant circulation abnormal protection control device also includes: output display module, in order to receive the instruction of described 3rd data processing module, controls air conditioner room unit display unit display refrigerant circulation abnormal failure code; Described output display module and indoor set display unit are electrically connected.
12., according to the refrigerant circulation abnormal protection control method of air-conditioner described in any one in claim 1 to 11, is characterized in that comprising:
Sample in indoor heat exchanger Guan Wen, outdoor heat exchanger Guan Wen, indoor environment temperature, outside environment temperature and compressor operating frequency, and sampled signal is transmitted;
The time that described air-conditioner brings into operation is detected;
Receive sampled signal, and sampled signal is judged, make the instruction that refrigerant circulation has abnormal failure;
Receive instruction, control to carry out protection when described air-conditioner meets refrigerant circulation exception and shut down.
The refrigerant circulation abnormal protection control method of 13. air-conditioners according to claim 12, is characterized in that, the time brought into operation to described air-conditioner carries out detection and comprises:
The time t1 that air-conditioner starts to freeze or dehumidifying runs is detected;
Time t2 air-conditioner being started to heating operation detects.
The refrigerant circulation abnormal protection control method of 14. air-conditioners according to claim 12, is characterized in that, receives the sampled signal of sampling module transmission, and to judge sampled signal, makes the instruction that refrigerant circulation has an abnormal failure and comprises:
Receive the sampled signal of sampling module transmission when air-conditioner refrigeration or dehumidifying are run, and sampled signal is judged, make the instruction that refrigerant circulation has abnormal failure;
Receive the sampled signal of sampling module transmission when air conditioner heat-production is run, and sampled signal is judged, make the instruction that refrigerant circulation has abnormal failure.
The refrigerant circulation abnormal protection control method of 15. air-conditioners according to claim 14; it is characterized in that; receive the sampled signal of sampling module transmission when air-conditioner refrigeration or dehumidifying are run, and sampled signal to be judged, make the instruction that refrigerant circulation has an abnormal failure and comprise:
The magnitude relationship of compressor operating frequency and low frequency dwell point frequency when judging that described air-conditioner starts to freeze or dehumidify the time t1 run;
The difference of indoor heat exchanger tube wall temperature and the magnitude relationship of the first preset temperature when judging that indoor heat exchanger tube wall temperature and described air-conditioner start to freeze or dehumidify the time t1 run when described air-conditioner starts to freeze or dehumidify operation;
The difference of indoor heat exchanger tube wall temperature and the magnitude relationship of the first preset temperature when judging that indoor environment temperature and described air-conditioner start to freeze or dehumidify the time t1 run when described air-conditioner starts to freeze or dehumidify the time t1 run;
Judge that outdoor heat exchanger tube wall temperature and described air-conditioner start freeze or the dehumidify difference of outdoor heat exchanger tube wall temperature and the magnitude relationship of the first preset temperature when running when described air-conditioner starts to freeze or dehumidify the time t1 run;
Before judging that described air-conditioner starts refrigeration or dehumidifying operation, the relation of outside environment temperature and the second preset temperature and the 3rd preset temperature.
The refrigerant circulation abnormal protection control method of 16. air-conditioners according to claim 14; it is characterized in that; receive the sampled signal of sampling module transmission when air conditioner heat-production is run, and sampled signal to be judged, make the instruction that refrigerant circulation has an abnormal failure and comprise:
The magnitude relationship of compressor operating frequency and low frequency dwell point frequency when judging that described air-conditioner starts the time t2 of heating operation;
The difference of indoor heat exchanger tube wall temperature and the magnitude relationship of the 4th preset temperature when judging that when described air-conditioner starts the time t2 of heating operation indoor heat exchanger tube wall temperature and air-conditioner start heating operation;
The difference of indoor environment temperature and the magnitude relationship of the 4th preset temperature when judging that when described air-conditioner starts the time t2 of heating operation indoor heat exchanger tube wall temperature and air-conditioner start heating operation;
Judge air-conditioner from heating operation to described air-conditioner start heating operation time t2 during this period of time in the maximum of outdoor heat exchanger tube wall temperature and described air-conditioner start the time t2 of heating operation time the difference of outdoor heat exchanger tube wall temperature and the magnitude relationship of the 4th preset temperature;
Before judging that described air-conditioner starts heating operation, outside environment temperature and the 5th preset temperature relation.
The refrigerant circulation abnormal protection control method of 17. air-conditioners according to claim 15, is characterized in that, when described judgement all judges to satisfy condition, performs protection and shuts down.
The refrigerant circulation abnormal protection control method of 18. air-conditioners according to claim 16, is characterized in that, when described judgement all judges to satisfy condition, performs protection and shuts down.
The refrigerant circulation abnormal protection control method of 19. air-conditioners according to claim 14, is characterized in that, receives the sampled signal of sampling module transmission, and to judge sampled signal, makes the instruction that refrigerant circulation has an abnormal failure and also comprises:
Make to described data processing module the number of times that refrigerant circulation has an instruction of abnormal failure to add up.
The refrigerant circulation abnormal protection control method of 20. air-conditioners according to claim 19, is characterized in that, when described make number of times that refrigerant circulation has an instruction of abnormal failure reach pre-determined number time, air-conditioner performs shuts down and can not automatically resume operation.
The refrigerant circulation abnormal protection control method of 21. air-conditioners according to claim 20, is characterized in that, described air-conditioner performs shutdown and when can not automatically resume operation, air conditioner room unit display unit shows refrigerant circulation abnormal failure code.
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