CN108050663A - Control method and device, air-conditioning and the storage medium of compressor self-shield - Google Patents
Control method and device, air-conditioning and the storage medium of compressor self-shield Download PDFInfo
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- CN108050663A CN108050663A CN201711255309.5A CN201711255309A CN108050663A CN 108050663 A CN108050663 A CN 108050663A CN 201711255309 A CN201711255309 A CN 201711255309A CN 108050663 A CN108050663 A CN 108050663A
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- Prior art keywords
- compressor
- current
- value
- shield
- self
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
- F25B49/022—Compressor control arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/07—Details of compressors or related parts
- F25B2400/077—Compressor control units, e.g. terminal boxes, mounted on the compressor casing wall containing for example starter, protection switches or connector contacts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2600/00—Control issues
- F25B2600/02—Compressor control
- F25B2600/025—Compressor control by controlling speed
- F25B2600/0251—Compressor control by controlling speed with on-off operation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/15—Power, e.g. by voltage or current
- F25B2700/151—Power, e.g. by voltage or current of the compressor motor
Abstract
The invention discloses a kind of control methods of compressor self-shield, detect the running current value during compressor operating；The current deviation value allowed according to the current reference value of the compressor and the compressor determines the current protection threshold value of the compressor；Judge the running current value whether beyond the current protection threshold value；When the running current value exceeds the current protection threshold value, the compressor out of service.The invention also discloses a kind of compressor self-shield control device, air-conditioning and storage mediums.In the present invention; the current deviation value allowed by the current reference value and compressor of compressor determines the current protection threshold value of compressor; and then judge the running current value of compressor whether beyond current protection threshold value; and when running current value exceeds current protection threshold value; the compressor out of service so, it is possible when partial fault occurs; exception accurately and timely is fed back, improves complete machine reliability of operation.
Description
Technical field
The present invention relates to air-conditioning technical field more particularly to a kind of control method and device of compressor self-shield, air-conditionings
And storage medium.
Background technology
Air-conditioning is increasingly favored, air-conditioning generally enters house now as a kind of equipment for improving indoor environment by people
Front yard.Since air-conditioning has temperature adjusting, defrosting control, humidity regulation, speed air flow adjusting and air purity adjusting etc.
Function, complicated, power is big in operational process, when air-conditioning is using long or long-term high power work, is necessarily present with some events
Barrier can cause compressor of air conditioner demagnetization to burn out if protection not in time.
In order to protect compressor of air conditioner, the air-conditioning of the prior art is provided with a series of pressure protection values or temperature protection value,
It is monitored by the pressure to system or temperature, when system pressure or abnormal temperature presence, stoppage protection.However, some
The failure of air-conditioning can not timely feedback out by pressure or temperature, such as throttle member Severe blockage, coolant leakage, outer machine
Smooth, liquid hammer, compressor abrasion etc. can not timely feedback out by pressure or temperature for wind turbine outlet air, these events occur in air-conditioning
During barrier, it will be unable to start stoppage protection, may so compressor of air conditioner be caused to damage.
The above is only used to facilitate the understanding of the technical scheme, and is not represented and is recognized that the above is existing skill
Art.
The content of the invention
It is a primary object of the present invention to provide a kind of control method of compressor self-shield, it is intended to solve in the prior art
The technical issues of failure of air-conditioning can not be timely feedbacked out by pressure or temperature, leads to not start stoppage protection.
To achieve the above object, the present invention provides a kind of control method of compressor self-shield, the compressor self-shield
Control method comprise the following steps：
Detect the running current value during compressor operating；
The compression is determined according to the current deviation value that the current reference value of the compressor and the compressor allow
The current protection threshold value of machine；
Judge the running current value whether beyond the current protection threshold value；
When the running current value exceeds the current protection threshold value, the compressor out of service.
Preferably, the current deviation value according to the current reference value of the compressor and compressor permission is true
Before the step of current protection threshold value of the fixed compressor, further include：
The operating parameter of environmental parameter and the compressor where acquisition compressor；
The current reference value is determined according to the operating parameter of the environmental parameter and the compressor；
The current deviation value is determined according to the operating parameter of the current reference value and the compressor.
Preferably, it is described acquisition compressor where environmental parameter and the compressor operating parameter the step of wrap
It includes：
Judge the currently running pattern of compressor；
When the currently running pattern of the compressor is heating mode, acquisition indoor environment temperature, outdoor heat exchanger temperature
Degree and outdoor environment temperature, while gather compressor operating frequency, electronic expansion valve opening, outdoor unit rotation speed of fan, compression
Machine input voltage, complete machine run time and compressor operating frequency are equal to run time during target frequency.
Preferably, it is described acquisition compressor where environmental parameter and the compressor operating parameter the step of also wrap
It includes：
When the currently running pattern of the compressor is refrigeration mode, acquisition indoor environment temperature, indoor heat exchanger temperature
Degree and outdoor environment temperature, while gather compressor operating frequency, electronic expansion valve opening, indoor unit setting wind shelves gear with
And compressor input voltage.
Preferably, the current deviation value according to the current reference value of the compressor and compressor permission is true
Before the step of current protection threshold value of the fixed compressor, further include：
Obtain the current reference value of default compressor and the current deviation value of default compressor permission.
Preferably, the control method of the compressor self-shield further includes：
When the running current value is in the circuit protection threshold range, after presetting first time interval, inspection is performed
The step of running current value in measured compressed machine operational process.
Preferably, the control method of the compressor self-shield further includes：
After compressor start and default second time interval of operation, the fortune during the detection compressor operating is performed
The step of row current value.
To achieve the above object, the present invention also provides a kind of compressor self-shield control device, the compressor self-shields
Control device includes processor, memory and is stored in the computer that can be run on the memory and on the processor
Program, the computer program realize the step of the control method of compressor self-shield as described above when being performed by the processor
Suddenly.
To achieve the above object, the present invention also provides a kind of air-conditioning, the air-conditioning includes processor, memory and storage
On the memory and the computer program that can run on the processor, the computer program are held by the processor
The step of control method of compressor self-shield as described above is realized during row.
In addition, to achieve the above object, the present invention also provides a kind of storage medium, compression is stored on the storage medium
The control program of machine self-shield realizes compression as described above when the control program of the compressor self-shield is executed by processor
The step of control method of machine self-shield.
Control method and device, air-conditioning and the storage medium for a kind of compressor self-shield that the embodiment of the present invention proposes,
The current deviation value allowed by the current reference value and compressor of compressor determines the current protection threshold value of compressor, and then
Whether the running current value of compressor is judged beyond current protection threshold value, and exceeds the current protection in the running current value
During threshold value, the compressor out of service so, it is possible, when partial fault occurs, more accurately and timely to feed back exception, and
Stoppage protection is performed, improves complete machine reliability of operation.
Description of the drawings
Fig. 1 is the terminal structure schematic diagram for the hardware running environment that the embodiment of the present invention is related to；
Fig. 2 is the flow diagram of the control method first embodiment of compressor self-shield of the present invention；
Fig. 3 is the flow diagram of the control method second embodiment of compressor self-shield of the present invention；
Fig. 4 is the flow diagram of the embodiment that step S50 is further refined in Fig. 3；
Fig. 5 is the flow diagram of another embodiment that step S50 is further refined in Fig. 3.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
The primary solutions of the embodiment of the present invention are：Detect the running current value during compressor operating；According to institute
It states the current reference value of compressor and the current deviation value of compressor permission determines the current protection threshold of the compressor
Value；Judge the running current value whether beyond the current protection threshold value；It is protected in the running current value beyond the electric current
When protecting threshold value, the compressor out of service.
Since the air-conditioning of the prior art is provided with a series of pressure protection values or temperature protection value, pass through the pressure to system
Or temperature is monitored, and when system pressure or abnormal temperature presence, stoppage protection.However, the failure of some air-conditionings can not lead to
Excess pressure or temperature timely feedback out, such as throttle member Severe blockage, coolant leakage, outer machine wind turbine outlet air be not smooth, liquid
Hit, compressor abrasion etc. can not timely feedback out by pressure or temperature, when these failures occurring in air-conditioning, will be unable to start
Stoppage protection may so cause compressor of air conditioner to damage.
The present invention provides a solution, the current deviation allowed by the current reference value and compressor of compressor
Value determines the current protection threshold value of compressor, and then judges whether the running current value of compressor exceeds current protection threshold value, and
When the running current value exceeds the current protection threshold value, the compressor out of service can occur in partial fault
When, exception accurately and timely is fed back, and stoppage protection is performed, improve complete machine reliability of operation.
As shown in Figure 1, the terminal structure schematic diagram for the hardware running environment that Fig. 1, which is the embodiment of the present invention, to be related to.
Terminal of the embodiment of the present invention can be the intelligence such as air-conditioning or smart mobile phone, computer and the intelligent domestic appliance controller
It can equipment.
As shown in Figure 1, the terminal can include：Processor 1001, such as CPU, network interface 1004, user interface
1003, memory 1005, communication bus 1002.Wherein, communication bus 1002 is used to implement the connection communication between these components.
User interface 1003 can include display screen (Display), input unit such as keyboard (Keyboard), optional user interface
1003 can also include standard wireline interface and wireless interface.Network interface 1004 can optionally connect including the wired of standard
Mouth, wireless interface (such as WI-FI interfaces).Memory 1005 can be high-speed RAM memory or the memory of stabilization
(non-volatile memory), such as magnetic disk storage.Memory 1005 optionally can also be independently of aforementioned processor
1001 storage device.
It will be understood by those skilled in the art that the restriction of the terminal structure shown in Fig. 1 not structure paired terminal, can wrap
It includes and either combines some components or different components arrangement than illustrating more or fewer components.For example, the terminal is also
It can include current sensing means and sensor, the current sensing means and sensor are electrically connected with the processor 1001
It connects, wherein, the current sensing means is used to detect the running current of compressor, and the current sensing means is arranged at the pressure
On contracting machine；The sensor includes temperature sensor, in the present embodiment, the sensor be arranged at air-conditioning institute indoors, it is indoor
On the heat exchanger tube of heat exchanger and on the heat exchanger tube of outdoor heat exchanger.
As shown in Figure 1, it can lead to as in a kind of memory 1005 of computer storage media including operating system, network
Believe module, Subscriber Interface Module SIM and the control program of compressor self-shield.
In terminal shown in Fig. 1, network interface 1004 is mainly used for connecting background server, is carried out with background server
Data communication；User interface 1003 is mainly used for connecting client (user terminal), with client into row data communication；And processor
1001 can be used for the control program for calling the compressor self-shield stored in memory 1005, and perform following operation：
Detect the running current value during compressor operating；
The compression is determined according to the current deviation value that the current reference value of the compressor and the compressor allow
The current protection threshold value of machine；
Judge the running current value whether beyond the current protection threshold value；
When the running current value exceeds the current protection threshold value, the compressor out of service.
Further, processor 1001 can call the control program of the compressor self-shield stored in memory 1005,
Also perform following operation：
The operating parameter of environmental parameter and the compressor where acquisition compressor；
The current reference value is determined according to the operating parameter of the environmental parameter and the compressor；
The current deviation value is determined according to the operating parameter of the current reference value and the compressor.
Further, processor 1001 can call the control program of the compressor self-shield stored in memory 1005,
Also perform following operation：
Judge the currently running pattern of compressor；
When the currently running pattern of the compressor is heating mode, acquisition indoor environment temperature, outdoor heat exchanger temperature
Degree and outdoor environment temperature, while gather compressor operating frequency, electronic expansion valve opening, outdoor unit rotation speed of fan, compression
Machine input voltage, complete machine run time and compressor operating frequency are equal to run time during target frequency.
Further, processor 1001 can call the control program of the compressor self-shield stored in memory 1005,
Also perform following operation：
When the currently running pattern of the compressor is refrigeration mode, acquisition indoor environment temperature, indoor heat exchanger temperature
Degree and outdoor environment temperature, while gather compressor operating frequency, electronic expansion valve opening, indoor unit setting wind shelves gear with
And compressor input voltage.
Further, processor 1001 can call the control program of the compressor self-shield stored in memory 1005,
Also perform following operation：
Obtain the current reference value of default compressor and the current deviation value of default compressor permission.
Further, processor 1001 can call the control program of the compressor self-shield stored in memory 1005,
Also perform following operation：
When the running current value is in the circuit protection threshold range, after presetting first time interval, inspection is performed
The step of running current value in measured compressed machine operational process.
Further, processor 1001 can call the control program of the compressor self-shield stored in memory 1005,
Also perform following operation：
After compressor start and default second time interval of operation, the fortune during the detection compressor operating is performed
The step of row current value.
With reference to Fig. 2, the present invention provides a kind of first embodiment of the control method of compressor self-shield, and the compressor is certainly
The control method of protection comprises the following steps：
Step S10 detects the running current value during compressor operating；
The running current value is the compressor actual current value in the process of running, in the present embodiment, the pressure
Running current value in contracting machine operational process can directly be detected by current sensing means, can also pass through voltage check device
Detection calculates the running current value during the compressor operating by detected voltage value.
Step S20 is determined according to the current deviation value that the current reference value of the compressor and the compressor allow
The current protection threshold value of the compressor；
The current reference value of the compressor is in reference current value during normal operating condition for the compressor, described
The current deviation value that compressor allows allows the deviation of electric current when being in normal operating condition for the compressor, wherein, institute
Stating the current deviation value of compressor permission includes maximum deflection difference value and minimum deviation value.
The current protection threshold value of the compressor is in critical value during normal operating condition for the compressor, including electricity
Flow maximum and current minimum, the current protection threshold value of the compressor specifically include the current reference value with it is described most
Large deviation value and the difference of value (i.e. current maxima) and the current reference value and the minimum deviation value (i.e. electric current is most
Small value).
The current deviation value that the current reference value of the compressor and the compressor allow can directly by by with
Family is preset, and during system operation self-shield, directly acquires the current reference value of default compressor and default pressure
The current deviation value that contracting machine allows, and then according to the compressor current a reference value and the current deviation of the compressor operating
Value determines the current protection threshold value of the compressor.
Alternatively, the current deviation value that the current reference value of the compressor and the compressor allow can also be by working as
The operating parameter of preceding compressor and the environmental parameter of place environment carry out calculating acquisition.
It is understood that the current reference value of the compressor can be obtained by user preset, and the compressor is permitted
Perhaps current deviation value can carry out calculating acquisition by the operating parameter of current compressor and the environmental parameter of place environment；
Similarly, the current reference value of the compressor can also pass through the operating parameter of current compressor and the environment of place environment
Parameter carries out calculating acquisition, and the current deviation value that the compressor allows can be obtained by user preset.
Whether step S30 judges the running current value beyond the current protection threshold value；
Step S40, when the running current value exceeds the current protection threshold value, the compressor out of service.
In the present embodiment, by judging whether the compressor runs in the range of safe current, do not exist in its current value
When in safe range, judge that the compressor is in abnormality, need to start self-protection function, the pressure out of service at this time
Contracting machine prevents from damaging the compressor.
Specifically, detected running current value with current protection threshold value is compared, judges the running current
Whether value is greater than or equal to maximum current value or judges whether the running current value is less than or equal to minimum current value,
The running current value is greater than or equal to the maximum current value or the running current value is less than or equal to minimum current value
When, the running current value is judged beyond the current protection threshold value, compressor is in abnormality, it is necessary to stoppage protection,
Therefore the compressor out of service.
Conversely, it is less than the maximum current value or the running current value more than minimum current in the running current value
During value, the running current value is judged in the range of the current protection threshold value, in this way, in the running current value described
When in circuit protection threshold range, after presetting first time interval, step S10 is performed, is detected again.Wherein, it is described pre-
If first time interval is to be again started up the time interval of self-shield control method, frequently detection, can examine again in order to prevent
It is carried out again after certain interval of time before measured compressed machine, wherein, the first time interval can need to set according to user, this
Embodiment preferably preset the first time interval as 20 seconds.
Further, since the inspection of compressor self-shield carries out during compressor operating, in order to reduce inspection
It looks into and judges number, just start execution step S10 after certain interval of time after compressor start, specifically, opened in compressor
After moving and running default second time interval, then perform it is described detection compressor operating during running current value the step of.
Wherein, second time interval can be by user preset, and preferably default second time interval of the present embodiment is 10 minutes.
In the present embodiment, the current deviation value allowed by the current reference value and compressor of compressor determines to compress
The current protection threshold value of machine, and then judge whether the running current value of compressor exceeds current protection threshold value, and in the operation
When current value exceeds the current protection threshold value, the compressor out of service can be when partial fault occurs, accurately and timely
Ground feedback is abnormal, and performs stoppage protection, improves complete machine reliability of operation.
Further, with reference to Fig. 3, the second embodiment of the control method of compressor self-shield provided by the invention is based on
Above-mentioned embodiment shown in Fig. 2, the electric current according to the current reference value of the compressor and compressor permission are inclined
Before difference determines the step of current protection threshold value of the compressor, further include：
Step S50, the operating parameter of environmental parameter and the compressor where acquisition compressor；
The environmental parameter of environmental parameter environment where the compressor, interior and room where specifically including
Outside, harvester is set respectively in described indoor and outdoor, passes through the harvester and gather environmental parameter.The compressor
Operating parameter can be obtained directly from system.
Step S60 determines the current reference value according to the operating parameter of the environmental parameter and the compressor；
Step S70 determines the current deviation value according to the operating parameter of the current reference value and the compressor.
During compressor operating, influenced by environment factor, under different environment or different operating parameters, safety
Running current value is different, therefore, the environmental parameter of environment and currently running operating parameter calculate according to where the compressor
The current reference value and current deviation value, obtained current reference value and current deviation value are more accurate.
Specifically, preset and environmental parameter and the associated current reference value function of operating parameter, electric current according to experimental result
A reference value changes with the variation of environmental parameter and operating parameter in current reference value function, is calculating the current reference value
When, by the way that the environmental parameter gathered and operating parameter are inputted in the current reference value function, calculate the electric current
A reference value.Current deviation value function associated with current reference value and operating parameter is preset according to related experiment, is calculating institute
When stating current deviation value, the current reference value and operating parameter that calculate are inputted in the current deviation value function, calculated
Go out the current deviation value.
It is understood that above-mentioned steps S50-S70 can be performed before the step S10, it can also be in the step
It is performed after rapid S10.
In the present embodiment, the current reference value and the current deviation value are according to the environmental parameter and described
The operating parameter of compressor determines that obtained current reference value and current deviation value is more accurate, obtains more accurately current protection
Threshold value, and then more accurately judge whether the running current of compressor exceeds the current protection threshold value, therefore the present embodiment can
Exception more accurately and timely is fed back, and performs stoppage protection, improves complete machine reliability of operation.
Further, reference Fig. 4 and Fig. 5, the 3rd embodiment of the control method of compressor self-shield provided by the invention,
Based on above-mentioned embodiment shown in Fig. 3, the operating parameter of environmental parameter and the compressor where the acquisition compressor
The step of include：
With reference to Fig. 4, Fig. 4 is the flow diagram for the embodiment that step S50 is further refined.
Step S51 judges the currently running pattern of compressor；
Step S52, when the currently running pattern of the compressor is heating mode, acquisition indoor environment temperature, outdoor
Heat exchange temperature and outdoor environment temperature, while gather compressor operating frequency, electronic expansion valve opening, outdoor unit wind turbine and turn
Speed, compressor input voltage, complete machine run time and compressor operating frequency are equal to run time during target frequency.
The operational mode of compressor includes heating mode, refrigeration mode and defrosting mode etc., due to compressor operating not
During with pattern, the parameter difference of the current reference value is influenced, therefore different environmental parameters is gathered in different operational modes
And operating parameter.In order to avoid gathering unnecessary parameter, influence function calculates, in acquisition environmental parameter and operating parameter
Before step, the currently running pattern of compressor is first judged.
When the current operational mode of the compressor is heating mode, indoor heat exchanger is in condensation heat release mould at this time
Formula, according to experimental result, indoor environment temperature, outdoor environment temperature, the heat transfer effect of outdoor heat exchanger, compressor operating frequency
Rate, electronic expansion valve opening, outdoor unit rotation speed of fan, compressor input voltage, complete machine run time and compressor operating frequency
Run time when rate is equal to target frequency influences current reference value, therefore when compressor is in heating mode, it only gathers above-mentioned
Parameter.
Namely according to the indoor environment temperature, outdoor environment temperature, the heat transfer effect of outdoor heat exchanger, compressor operating
Frequency, electronic expansion valve opening, outdoor unit rotation speed of fan, compressor input voltage, complete machine run time and compressor operating
Run time when frequency is equal to target frequency determines the current reference value, and the electric current is determined according to the current reference value
Deviation.
Further, when the currently running pattern of the compressor is heating mode, heating mode electricity can also be included
The excessively high protection of current load and the protection of the too low protection of current loading namely current loading higher than maximum current and current loading are low
In the protection of minimum current.
According to experimental result, preset in a heating mode, when judging the excessively high protection of current loading, current reference value and environment
The associated current reference value function of parameter and operating parameter can be：
F1=(an1(T4-T3)*T4+b n2T1+c n3Fr+d n4n)/e n5pV；
Or f1=(an1(T4-T3)*T4/T1+b n2Fr+c n3n)/d n4pV；
Or f1=(an1(T4-T3)*T4*n+b n2T1+c n3Fr)/d n4pV；
Or f1=(an1(T4-T3)*T4*n/T1+b n2Fr)/c n3pV；
Current deviation value function is：F2=anFr*Ih；
Wherein, T1 is indoor environment temperature, and T3 is outdoor heat exchanger temperature, and T4 is outdoor environment temperature, and Fr is compressor
Running frequency, p are electronic expansion valve opening, and n is outer machine rotation speed of fan, and V is compressor input voltage, and Ih is to be calculated according to f1
Current reference value, a~e be coefficient, index n1~n5 of coefficient can be the integer between 0~6, be selected according to test data
Suitable formula.
It is default in a heating mode, when judging the too low protection of current loading, current reference value and environmental parameter and operation
The associated current reference value function of parameter can be：
F1=((an1(T4-T3)*T4+b n2T1+c n3Fr+d n4n)/e n5pV)*f n6t1*t2；
Or f1=((an1(T4-T3)*T4/T1+b n2Fr+c n3n)/d n4pV)*e n5t1*t2；
Or f1=((an1(T4-T3)*T4*n+b n2T1+c n3Fr)/d n4pV)*e n5t1*t2；
Or f1=((an1(T4-T3)*T4*n/T1+b n2Fr)/c n3pV)*d n4t1*t2；
Current deviation value function is：F2=anFr*Ih；
Wherein, T1 is indoor environment temperature, and T3 is outdoor heat exchanger temperature, and T4 is outdoor environment temperature, and Fr is compressor
Running frequency, p are electronic expansion valve opening, and n is outer machine rotation speed of fan, and V is compressor input voltage, and Ih is to be calculated according to f1
Current reference value, a~e be coefficient, index n1~n5 of coefficient can be the integer between 0~6, be selected according to test data
Suitable formula.
With reference to Fig. 5, Fig. 5 is the flow diagram for another embodiment that step S50 is further refined.
Step S53, when the currently running pattern of the compressor is refrigeration mode, acquisition indoor environment temperature, interior
Heat exchange temperature and outdoor environment temperature, while gather compressor operating frequency, electronic expansion valve opening, indoor unit setting wind
Shelves gear and compressor input voltage.
When the current operational mode of the compressor is refrigeration mode, indoor heat exchanger is in evaporation endothermic mould at this time
Formula, according to experimental result, indoor environment temperature, outdoor environment temperature, the heat transfer effect of indoor heat exchanger, compressor operating frequency
Rate, electronic expansion valve opening, indoor unit setting windscreen gear and compressor input voltage influence current reference value, therefore are compressing
When machine is in refrigeration mode, above-mentioned parameter is only gathered.
Namely according to the indoor environment temperature, outdoor environment temperature, the heat transfer effect of outdoor heat exchanger, compressor operating
Frequency, electronic expansion valve opening, outdoor unit rotation speed of fan, compressor input voltage, complete machine run time and compressor operating
Run time when frequency is equal to target frequency determines the current reference value, and the electric current is determined according to the current reference value
Deviation.
Further, when the currently running pattern of the compressor is refrigeration mode, according to experimental result, it is preset in system
Under chill formula, when judging the excessively high protection of current loading, the associated electric current of current reference value and environmental parameter and operating parameter
Benchmark value function can be：
F1=(an1(T1-T2)*T1+b n2T4+c n3Fr+d n4N)/e n5pV；
Or f1=(an1(T1-T2)*T1/T4+b n2Fr+c n3N)/d n4pV；
Or f1=(an1(T1-T2)*T1*N+b n2T4+c n3Fr)/d n4pV；
Or f1=(an1(T1-T2)*T1*N/T4+b n2Fr)/c n3pV；
Current deviation value function is：F2=anFr*Ic。
Wherein, T1 is indoor environment temperature, and T2 is indoor heat exchanger temperature, and T4 is outdoor environment temperature, and Fr is compressor
Running frequency, p are electronic expansion valve opening, and n is outer machine rotation speed of fan, and V is compressor input voltage, and Ih is to be calculated according to f1
Current reference value, a~e be coefficient, index n1~n5 of coefficient can be the integer between 0~6, be selected according to test data
Suitable formula.
In the present embodiment, by first judging that the pattern that the compressor currently run still is freezed mould for heating mode
Formula, and then according to the operational mode of the compressor, determines the operating parameter of the environmental parameter and compressor obtained, then by institute
In the function set under the environmental parameter of acquisition and the operating parameter input corresponding modes of compressor, the electricity of the compressor is calculated
A reference value and current deviation value are flowed, current protection threshold is calculated according to the current reference value and current deviation value that are calculated
Value in this way, being compared by the current protection threshold value with compressor operating current value, exceeds the electricity in compressor operating current value
When flowing rotection thresholds, stoppage protection, in this way, the judgment mode of the stoppage protection is more accurate, reliably.
The present invention also provides a kind of compressor self-shield control device, the compressor self-shield control device includes processing
Device, memory and it is stored in the computer program that can be run on the memory and on the processor, the computer
Program realizes each step of the control method of compressor self-shield as described above when being performed by the processor.Wherein, if
The current sensing means on the compressor of air conditioner is put, is disposed in the interior and the temperature sensor on indoor heat exchanger and sets
The temperature sensor on outdoor heat exchanger is put to be electrically connected with the processor.
It is understood that the compressor self-shield control device can be the control device being arranged in air-conditioning,
Can be the control device being arranged at outside air-conditioning, when the compressor self-shield control device is the control device outside air-conditioning,
When the running current value exceeds the current protection threshold value, the instruction of the compressor out of service is sent to matched
Air-conditioning on, compressor in the air-conditioning is controlled to stop allowing.
Further, the present invention also provides a kind of air-conditioning, the air-conditioning includes processor, memory and is stored in described
It is real when the computer program is performed by the processor on memory and the computer program that can run on the processor
Now each step of the control method of compressor self-shield as described above.
In addition, the present invention also provides a kind of storage medium, the control of compressor self-shield is stored on the storage medium
Program, the control program of the compressor self-shield realize the control of compressor self-shield as described above when being executed by processor
Each step of method.
It should be noted that herein, term " comprising ", "comprising" or its any other variant are intended to non-row
His property includes, so that process, method, article or system including a series of elements not only include those elements, and
And it further includes other elements that are not explicitly listed or further includes as this process, method, article or system institute inherently
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including this
Also there are other identical elements in the process of element, method, article or system.
The embodiments of the present invention are for illustration only, do not represent the quality of embodiment.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on such understanding, technical scheme substantially in other words does the prior art
Going out the part of contribution can be embodied in the form of software product, which is stored in one as described above
In storage medium (such as ROM/RAM, magnetic disc, CD), including some instructions use so that a station terminal equipment (can be mobile phone,
Computer, server, air conditioner or network equipment etc.) perform method described in each embodiment of the present invention.
It these are only the preferred embodiment of the present invention, be not intended to limit the scope of the invention, it is every to utilize this hair
The equivalent structure or equivalent flow shift that bright specification and accompanying drawing content are made directly or indirectly is used in other relevant skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of control method of compressor self-shield, which is characterized in that the control method of the compressor self-shield include with
Lower step：
Detect the running current value during compressor operating；
The compressor is determined according to the current deviation value that the current reference value of the compressor and the compressor allow
Current protection threshold value；
Judge the running current value whether beyond the current protection threshold value；
When the running current value exceeds the current protection threshold value, the compressor out of service.
2. the control method of compressor self-shield as described in claim 1, which is characterized in that described according to the compressor
The step of current deviation value that current reference value and the compressor allow determines the current protection threshold value of the compressor it
Before, it further includes：
The operating parameter of environmental parameter and the compressor where acquisition compressor；
The current reference value is determined according to the operating parameter of the environmental parameter and the compressor；
The current deviation value is determined according to the operating parameter of the current reference value and the compressor.
3. the control method of compressor self-shield as claimed in claim 2, which is characterized in where the acquisition compressor
The step of environmental parameter and the operating parameter of the compressor, includes：
Judge the currently running pattern of compressor；
The currently running pattern of the compressor be heating mode when, acquisition indoor environment temperature, outdoor heat exchanger temperature with
And outdoor environment temperature, while it is defeated to gather compressor operating frequency, electronic expansion valve opening, outdoor unit rotation speed of fan, compressor
Run time when entering voltage, complete machine run time and compressor operating frequency equal to target frequency.
4. the control method of compressor self-shield as claimed in claim 3, which is characterized in where the acquisition compressor
The step of environmental parameter and the operating parameter of the compressor, further includes：
The currently running pattern of the compressor be refrigeration mode when, acquisition indoor environment temperature, indoor heat exchanger temperature with
And outdoor environment temperature, while gather compressor operating frequency, electronic expansion valve opening, indoor unit setting wind shelves gear and pressure
Contracting machine input voltage.
5. the control method of compressor self-shield as described in claim 1, which is characterized in that described according to the compressor
The step of current deviation value that current reference value and the compressor allow determines the current protection threshold value of the compressor it
Before, it further includes：
Obtain the current reference value of default compressor and the current deviation value of default compressor permission.
6. the control method of the compressor self-shield as described in claim 1-5 any one, which is characterized in that the compressor
The control method of self-shield further includes：
When the running current value is in the circuit protection threshold range, after presetting first time interval, detection pressure is performed
The step of running current value in contracting machine operational process.
7. the control method of the compressor self-shield as described in claim 1-5 any one, which is characterized in that the compressor
The control method of self-shield further includes：
After compressor start and default second time interval of operation, the operation electricity during the detection compressor operating is performed
The step of flow valuve.
8. a kind of compressor self-shield control device, which is characterized in that the compressor self-shield control device include processor,
Memory and it is stored in the computer program that can be run on the memory and on the processor, the computer program
The control method of compressor self-shield as claimed in any of claims 1 to 7 in one of claims is realized when being performed by the processor
Step.
9. a kind of air-conditioning, which is characterized in that the air-conditioning includes processor, memory and is stored on the memory and can
The computer program run on the processor realizes such as claim when the computer program is performed by the processor
The step of control method of compressor self-shield in 1 to 7 described in any one.
10. a kind of storage medium, which is characterized in that the control program of compressor self-shield, institute are stored on the storage medium
State the compressor realized when the control program of compressor self-shield is executed by processor as any one of claim 1 to 7
The step of control method of self-shield.
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| CN201711255309.5A CN108050663B (en) | 2017-12-01 | 2017-12-01 | Control method and device for self-protection of compressor, air conditioner and storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109059375A (en) * | 2018-07-30 | 2018-12-21 | 广东斯科曼制冷设备有限公司 | A kind of self-adaptive current value control method of compressor |
| CN109297134A (en) * | 2018-08-29 | 2019-02-01 | 珠海格力电器股份有限公司 | A kind of overload protection method of air-conditioning, device, storage medium and air-conditioning |
| CN109458695A (en) * | 2018-10-31 | 2019-03-12 | 奥克斯空调股份有限公司 | A kind of demagnetization guard method of power-off compressor and device |
| CN110044018A (en) * | 2019-03-26 | 2019-07-23 | 青岛海尔空调器有限总公司 | A kind of electrochemistry air-conditioning and its control method |
| CN110173421A (en) * | 2019-04-22 | 2019-08-27 | 广东美博制冷设备有限公司 | A kind of method and device for overload protection of compressor |
| CN110469947A (en) * | 2019-08-29 | 2019-11-19 | 重庆美的通用制冷设备有限公司 | The protection control method and system of air conditioner, air conditioner and readable storage medium storing program for executing |
| CN110864427A (en) * | 2019-11-12 | 2020-03-06 | 广东弦波科技有限公司 | Sampling resistance detection method for variable frequency compressor controller and controller self-detection method |
| CN111156748A (en) * | 2019-12-25 | 2020-05-15 | 珠海格力电器股份有限公司 | Variable frequency air conditioner limiting power control method, storage medium and air conditioner |
| CN111637587A (en) * | 2020-05-28 | 2020-09-08 | 宁波奥克斯电气股份有限公司 | Control method and system for compressor overload protection and air conditioner |
| CN111720975A (en) * | 2020-06-22 | 2020-09-29 | 珠海格力电器股份有限公司 | Control method, system and device of air conditioner |
| CN112032930A (en) * | 2020-08-17 | 2020-12-04 | 珠海格力电器股份有限公司 | Compressor protection method and device, storage medium and electronic equipment |
| WO2022134871A1 (en) * | 2020-12-22 | 2022-06-30 | 珠海格力电器股份有限公司 | Air conditioner operation control method and apparatus, and air conditioner and computer-readable storage medium |
| CN114719476A (en) * | 2022-03-03 | 2022-07-08 | 上海海立（集团）股份有限公司 | Compressor, operation control method and system thereof and storage medium |
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| CN109059375A (en) * | 2018-07-30 | 2018-12-21 | 广东斯科曼制冷设备有限公司 | A kind of self-adaptive current value control method of compressor |
| CN109059375B (en) * | 2018-07-30 | 2020-12-01 | 广东斯科曼制冷设备有限公司 | Self-adaptive current value control method of compressor |
| CN109297134B (en) * | 2018-08-29 | 2020-06-30 | 珠海格力电器股份有限公司 | Overload protection method and device for air conditioner, storage medium and air conditioner |
| CN109297134A (en) * | 2018-08-29 | 2019-02-01 | 珠海格力电器股份有限公司 | A kind of overload protection method of air-conditioning, device, storage medium and air-conditioning |
| CN109458695A (en) * | 2018-10-31 | 2019-03-12 | 奥克斯空调股份有限公司 | A kind of demagnetization guard method of power-off compressor and device |
| CN110044018A (en) * | 2019-03-26 | 2019-07-23 | 青岛海尔空调器有限总公司 | A kind of electrochemistry air-conditioning and its control method |
| CN110173421A (en) * | 2019-04-22 | 2019-08-27 | 广东美博制冷设备有限公司 | A kind of method and device for overload protection of compressor |
| CN110469947A (en) * | 2019-08-29 | 2019-11-19 | 重庆美的通用制冷设备有限公司 | The protection control method and system of air conditioner, air conditioner and readable storage medium storing program for executing |
| CN110864427A (en) * | 2019-11-12 | 2020-03-06 | 广东弦波科技有限公司 | Sampling resistance detection method for variable frequency compressor controller and controller self-detection method |
| CN111156748A (en) * | 2019-12-25 | 2020-05-15 | 珠海格力电器股份有限公司 | Variable frequency air conditioner limiting power control method, storage medium and air conditioner |
| CN111156748B (en) * | 2019-12-25 | 2020-12-22 | 珠海格力电器股份有限公司 | Variable frequency air conditioner limiting power control method, storage medium and air conditioner |
| CN111637587A (en) * | 2020-05-28 | 2020-09-08 | 宁波奥克斯电气股份有限公司 | Control method and system for compressor overload protection and air conditioner |
| CN111720975A (en) * | 2020-06-22 | 2020-09-29 | 珠海格力电器股份有限公司 | Control method, system and device of air conditioner |
| CN112032930A (en) * | 2020-08-17 | 2020-12-04 | 珠海格力电器股份有限公司 | Compressor protection method and device, storage medium and electronic equipment |
| WO2022134871A1 (en) * | 2020-12-22 | 2022-06-30 | 珠海格力电器股份有限公司 | Air conditioner operation control method and apparatus, and air conditioner and computer-readable storage medium |
| CN114719476A (en) * | 2022-03-03 | 2022-07-08 | 上海海立（集团）股份有限公司 | Compressor, operation control method and system thereof and storage medium |
| CN114719476B (en) * | 2022-03-03 | 2023-12-15 | 上海海立（集团）股份有限公司 | Compressor, operation control method and system thereof, and storage medium |
| CN115371205A (en) * | 2022-08-25 | 2022-11-22 | 珠海格力电器股份有限公司 | Method and device for detecting abnormality of circulation of air conditioning system, electronic device, and medium |
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