CN108151254A - Air conditioner, progress control method and computer readable storage medium - Google Patents
Air conditioner, progress control method and computer readable storage medium Download PDFInfo
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- CN108151254A CN108151254A CN201711425243.XA CN201711425243A CN108151254A CN 108151254 A CN108151254 A CN 108151254A CN 201711425243 A CN201711425243 A CN 201711425243A CN 108151254 A CN108151254 A CN 108151254A
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Abstract
The present invention provides a kind of air conditioner, progress control method and computer readable storage medium, wherein, air conditioner includes：Outdoor fan；First temperature sensor, set on the outlet of outdoor heat exchanger, for periodically detecting the outlet temperature of outdoor heat exchanger；Controller is connected to outdoor fan and the first temperature sensor, adjusts the rotating speed of outdoor fan according to the outlet temperature of outdoor heat exchanger under cryogenic refrigeration process for controller.By technical scheme of the present invention, be conducive to improve the stability of refrigerant pressure in heat exchanger, improve the refrigerating capacity under air conditioner cryogenic refrigeration process.
Description
Technical field
The present invention relates to air conditioner refrigeration technology field, in particular to a kind of air conditioner, a kind of progress control method
With a kind of computer readable storage medium.
Background technology
Under conditions of ambient temperature is relatively low, sometimes there is still a need for air conditioner is run in cooling mode, to keep
The temperature and humidity in room is in the reasonable scope.When ambient temperature is relatively low, the condensation temperature of refrigerant in outdoor unit heat exchanger
Degree and condensing pressure are smaller, and the refrigerant for getting in evaporator is caused to be in a kind of evaporating pressure and the relatively low shape of evaporating temperature
State causes indoor unit frosting, influences the refrigeration effect of air conditioner.
In the related art, it is controlled using the control method heat exchanging device pressure based on outdoor environment temperature, the control
Method sensitivity processed is relatively low, it is impossible to which heat exchanging device pressure change makes fast reaction, leads to air conditioner under cryogenic refrigeration pattern
Refrigerating capacity is insufficient.
Invention content
The present invention is directed at least solve one of technical problem present in the prior art or the relevant technologies.
For this purpose, it is an object of the present invention to provide a kind of air conditioners.
It is another object of the present invention to provide a kind of progress control methods.
It is another object of the present invention to provide a kind of computer readable storage mediums.
To achieve these goals, embodiment according to the first aspect of the invention provides a kind of air conditioner, including：
Outdoor fan；First temperature sensor, set on the outlet of outdoor heat exchanger, for periodically detecting the outlet of outdoor heat exchanger
Temperature；Controller is connected to outdoor fan and the first temperature sensor, for controller under cryogenic refrigeration process according to outdoor
The outlet temperature of heat exchanger adjusts the rotating speed of outdoor fan.
In the technical scheme, it by exporting the first temperature sensor of setting in outdoor heat exchanger, improves outside sensing chamber
The accuracy of heat exchange temperature, by controller under cryogenic refrigeration process according to outside the outlet temperature regulation room of outdoor heat exchanger
The rotating speed of wind turbine is conducive to improve the speed of response of control heat exchanger pressure, improves the stability of refrigerant pressure in heat exchanger,
Be conducive to the stable operation of air conditioner, improve the refrigerating capacity under air conditioner cryogenic refrigeration process.
Specifically, when air conditioner is freezed at low ambient temperatures, since outdoor environment temperature is relatively low, outdoor is caused to change
The hypotony of refrigerant in hot device at this point, reducing the rotating speed of outdoor fan by controller, reduces the heat exchange of outdoor heat exchanger
Ability improves the pressure of refrigerant in outdoor heat exchanger, be conducive to maintain heat exchanger in refrigerant pressure in a rational range
It is interior, improve the refrigerating capacity under air conditioner cryogenic refrigeration process.
In any of the above-described technical solution, it is preferable that air conditioner further includes：Solenoid valve, set on the refrigerant of outdoor heat exchanger
In at least one branch of entrance, for refrigerant to be controlled to flow into the flow of outdoor heat exchanger；Second temperature sensor, close to outdoor
Heat exchanger is set, for periodically detecting outdoor environment temperature；Controller is connected to solenoid valve and second temperature sensor, control
Device processed is detecting outlet temperature of the outdoor environment temperature less than or equal to the first default outdoor environment temperature and outdoor heat exchanger
During less than or equal to the first default outlet temperature, control solenoid valve cut-off.
In the technical scheme, by setting solenoid valve at the refrigerant inlet of outdoor heat exchanger, it is outdoor to improve inflow
The reliability of heat exchanger cold medium flux is conducive to flow into outdoor heat exchanger cold medium flux by control, controls refrigerant in heat exchanger
Pressure.By going out to set second temperature sensor close to outdoor heat exchanger, the standard of detection outdoor heat exchanger temperature is improved
True property is detecting outdoor environment temperature less than or equal to the first default outdoor environment temperature and outdoor heat exchanger by controller
Outlet temperature when being less than or equal to the first default outlet temperature, control solenoid valve cut-off reduces and flows into outdoor heat exchanger
Cold medium flux improves the pressure of refrigerant in heat exchanger, is conducive to improve the stability of refrigerant pressure in heat exchanger, improves sky
Adjust the refrigerating capacity under device cryogenic refrigeration process.
Technical solution according to the second aspect of the invention provides a kind of progress control method, including：Into low temperature
After refrigeration process, it is periodically detected the outlet temperature of outdoor heat exchanger；According to the outlet temperature regulation room exogenous wind of outdoor heat exchanger
The rotating speed of machine.
In the technical scheme, by after cryogenic refrigeration process is entered, being periodically detected the outlet temperature of outdoor heat exchanger
Degree improves the validity and accuracy of outdoor heat exchanger outlet temperature, by being adjusted according to the outlet temperature of outdoor heat exchanger
The rotating speed of outdoor fan is conducive to improve the speed of response of control heat exchanger pressure, improves the steady of refrigerant pressure in heat exchanger
It is qualitative, be conducive to the stable operation of air conditioner, improve the refrigerating capacity under air conditioner cryogenic refrigeration process.
Specifically, when air conditioner is freezed at low ambient temperatures, since outdoor environment temperature is relatively low, outdoor is caused to change
The hypotony of refrigerant in hot device at this point, reducing the rotating speed of outdoor fan by controller, reduces the heat exchange of outdoor heat exchanger
Ability improves the pressure of refrigerant in outdoor heat exchanger, be conducive to maintain heat exchanger in refrigerant pressure in a rational range
It is interior, improve the refrigerating capacity under air conditioner cryogenic refrigeration process.
In any of the above-described technical solution, it is preferable that entering cryogenic refrigeration into Cheng Qian, progress control method further includes：
It is periodically detected outdoor environment temperature and operational mode；Detecting outdoor environment temperature outdoor ring default less than or equal to first
When border temperature and operational mode are refrigeration mode, determine to enter cryogenic refrigeration process.
In the technical scheme, detecting outdoor environment temperature less than or equal to the first default outdoor environment temperature and fortune
When row pattern is refrigeration mode, determines to enter cryogenic refrigeration process, improve the accuracy into cryogenic refrigeration process, pass through week
The detection outdoor environment temperature and operational mode of phase property are conducive to improve the real-time judged into cryogenic refrigeration process, pass through
The first default outdoor environment temperature is set, specifies the condition into cryogenic refrigeration process, is improved into cryogenic refrigeration process
Reliability.
In any of the above-described technical solution, it is preferable that progress control method further includes：After cryogenic refrigeration process is entered,
Detecting that outdoor environment temperature is less than or equal to the outlet temperature of the second default outdoor environment temperature and outdoor heat exchanger and is less than
Or during equal to the first default outlet temperature, the solenoid valve cut-off set in the refrigerant inlet of outdoor heat exchanger is controlled.
In the technical scheme, by detecting outdoor environment temperature less than or equal to the second default outdoor environment temperature
And the outlet temperature of outdoor heat exchanger be less than or equal to the first default outlet temperature when, control in the refrigerant inlet of outdoor heat exchanger
The solenoid valve cut-off of setting, reduces the cold medium flux for flowing into outdoor heat exchanger, improves the pressure of refrigerant in heat exchanger, favorably
In the stability for improving refrigerant pressure in heat exchanger, by setting the second default outdoor environment temperature and the first default outlet temperature
Degree specifies the condition of control solenoid valve cut-off, improves the reliability according to temperature condition cut-off electromagnetic valve, improve air-conditioning
Refrigerating capacity under device cryogenic refrigeration process.
In any of the above-described technical solution, it is preferable that adjust turning for outdoor fan according to the outlet temperature of outdoor heat exchanger
Speed specifically includes：Outdoor ring is preset detecting that outdoor environment temperature is more than the second default outdoor environment temperature and is less than first
During the temperature of border and when being periodically detected outlet temperature less than or equal to the second default outlet temperature, outdoor fan is controlled
Rotating speed be gradually reduced；Outdoor is preset detecting that outdoor environment temperature is more than the second default outdoor environment temperature and is less than first
During environment temperature and when being periodically detected outlet temperature more than the second default outlet temperature, turning for outdoor fan is controlled
Fast gradually increase.
In the technical scheme, by detecting outdoor environment temperature more than the second default outdoor environment temperature and being less than
During the first default outdoor environment temperature and outlet temperature is periodically detected less than or equal to the second default outlet temperature
When, the rotating speed of outdoor fan is controlled to be gradually reduced, reduces the exchange capability of heat of outdoor unit heat exchanger, is conducive to raising outdoor unit and changes
The pressure of refrigerant in hot device improves the stability of air conditioner refrigerating capacity.
Correspondingly, by detecting that outdoor environment temperature is default more than the second default outdoor environment temperature and less than first
During outdoor environment temperature and when being periodically detected outlet temperature more than the second default outlet temperature, outdoor fan is controlled
Rotating speed gradually increase, improve the exchange capability of heat of outdoor unit heat exchanger, be conducive to improve air conditioner refrigerating capacity stability,
Improve the usage experience of user.
In any of the above-described technical solution, it is preferable that ranging from 1 DEG C~3 DEG C of the second default outlet temperature.
In the technical scheme, when air conditioner runs on cryogenic refrigeration state, by detecting the second default outlet temperature,
In the case where ensureing that outdoor heat exchanger normally freezes, the stability of refrigerant pressure in heat exchanger is improved, is conducive to improve empty
Adjust the stability run under device cryogenic refrigeration.
In any of the above-described technical solution, it is preferable that the first default outdoor environment temperature is less than or equal to 10 DEG C.
In the technical scheme, it is less than or equal to 10 DEG C by setting the first default environment temperature, is conducive to improve air-conditioning
Device enters the accuracy of cryogenic refrigeration process, improves the stability of air conditioner operation.
In any of the above-described technical solution, it is preferable that ranging from -11 DEG C~-9 DEG C of the second default outdoor environment temperature.
In the technical scheme, it by being -11 DEG C~-9 DEG C by the range set of the second default outdoor environment temperature, reduces
The possibility of solenoid valve malfunction is conducive to improve the stability of heat exchanger refrigerant pressure.
In any of the above-described technical solution, it is preferable that ranging from 9 DEG C~11 DEG C of the first default outlet temperature.
In the technical scheme, by being 9 DEG C~11 DEG C by the range set of the first default outlet temperature, ensureing air-conditioning
Device normally in the case of refrigeration, improves the stability of heat exchanger refrigerant pressure.
Technical solution according to the third aspect of the invention we provides a kind of computer readable storage medium, stores thereon
There is computer program, above computer program is performed the operation controlling party for realizing that the technical solution such as second aspect limits
Method.
The additional aspect and advantage of the present invention will provide in following description section, will partly become from the following description
It obtains significantly or is recognized by the practice of the present invention.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination accompanying drawings below to embodiment
Significantly and it is readily appreciated that, wherein：
Fig. 1 shows the schematic diagram of air conditioner according to an embodiment of the invention；
Fig. 2 shows the schematic flow diagrams of progress control method according to an embodiment of the invention.
Specific embodiment
It is to better understand the objects, features and advantages of the present invention, below in conjunction with the accompanying drawings and specific real
Mode is applied the present invention is further described in detail.It should be noted that in the absence of conflict, the implementation of the application
Feature in example and embodiment can be combined with each other.
Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still, the present invention may be used also
To be implemented using other different from other modes described here, therefore, protection scope of the present invention is not by described below
Specific embodiment limitation.
Fig. 1 shows the schematic diagram of air conditioner according to an embodiment of the invention.
As shown in Figure 1, air conditioner 100 according to an embodiment of the invention, including：Outdoor fan 102；First temperature sensing
Device 104, set on the outlet of outdoor heat exchanger, for periodically detecting the outlet temperature of outdoor heat exchanger；Controller 106, even
Be connected to 102 and first temperature sensor 104 of outdoor fan, for controller 106 under cryogenic refrigeration process according to outdoor heat exchange
The outlet temperature of device adjusts the rotating speed of outdoor fan 102.
In the technical scheme, by exporting the first temperature sensor 104 of setting in outdoor heat exchanger, sensing chamber is improved
The accuracy of external heat exchanger temperature, by controller 106 under cryogenic refrigeration process according to the outlet temperature tune of outdoor heat exchanger
The rotating speed of outdoor fan 102 is saved, is conducive to improve the speed of response of control heat exchanger pressure, improves refrigerant pressure in heat exchanger
Stability, be conducive to the stable operation of air conditioner 100, improve the refrigerating capacity under 100 cryogenic refrigeration process of air conditioner.
Specifically, when air conditioner 100 is freezed at low ambient temperatures, since outdoor environment temperature is relatively low, room is caused
The hypotony of refrigerant in external heat exchanger at this point, reducing the rotating speed of outdoor fan 102 by controller 106, reduces outdoor and changes
The exchange capability of heat of hot device improves the pressure of refrigerant in outdoor heat exchanger, be conducive to maintain heat exchanger in refrigerant pressure at one
In rational range, the refrigerating capacity under 100 cryogenic refrigeration process of air conditioner is improved.
In any of the above-described technical solution, it is preferable that air conditioner 100 further includes：Solenoid valve 108, set on outdoor heat exchanger
Refrigerant inlet at least one branch in, for control refrigerant flow into outdoor heat exchanger flow；Second temperature sensor
110, it is set close to outdoor heat exchanger, for periodically detecting outdoor environment temperature；Controller 106 is connected to solenoid valve 108
With second temperature sensor 110, controller 106 is detecting outdoor environment temperature less than or equal to the first default outdoor environment temperature
When the outlet temperature of degree and outdoor heat exchanger is less than or equal to the first default outlet temperature, control solenoid valve 108 ends.
In the technical scheme, it by setting solenoid valve 108 at the refrigerant inlet of outdoor heat exchanger, improves and flows into room
The reliability of external heat exchanger cold medium flux is conducive to flow into outdoor heat exchanger cold medium flux by control, controls cold in heat exchanger
The pressure of matchmaker.By going out to set second temperature sensor 110 close to outdoor heat exchanger, detection outdoor heat exchanger temperature is improved
Accuracy, by controller 106 detecting outdoor environment temperature be less than or equal to the first default outdoor environment temperature and room
When the outlet temperature of external heat exchanger is less than or equal to the first default outlet temperature, control solenoid valve 108 ends, and reduces and flows into room
The cold medium flux of external heat exchanger improves the pressure of refrigerant in heat exchanger, is conducive to improve the stabilization of refrigerant pressure in heat exchanger
Property, improve the refrigerating capacity under 100 cryogenic refrigeration process of air conditioner.
Fig. 2 shows the schematic flow diagrams of progress control method according to an embodiment of the invention.
As shown in Fig. 2, progress control method according to an embodiment of the invention, including：Step S202 is low entering
After warm refrigeration process, it is periodically detected the outlet temperature of outdoor heat exchanger；Step S204, according to the outlet temperature of outdoor heat exchanger
Adjust the rotating speed of outdoor fan.
In the technical scheme, by after cryogenic refrigeration process is entered, being periodically detected the outlet temperature of outdoor heat exchanger
Degree improves the validity and accuracy of outdoor heat exchanger outlet temperature, by being adjusted according to the outlet temperature of outdoor heat exchanger
The rotating speed of outdoor fan is conducive to improve the speed of response of control heat exchanger pressure, improves the steady of refrigerant pressure in heat exchanger
It is qualitative, be conducive to the stable operation of air conditioner, improve the refrigerating capacity under air conditioner cryogenic refrigeration process.
Specifically, when air conditioner is freezed at low ambient temperatures, since outdoor environment temperature is relatively low, outdoor is caused to change
The hypotony of refrigerant in hot device at this point, reducing the rotating speed of outdoor fan by controller, reduces the heat exchange of outdoor heat exchanger
Ability improves the pressure of refrigerant in outdoor heat exchanger, be conducive to maintain heat exchanger in refrigerant pressure in a rational range
It is interior, improve the refrigerating capacity under air conditioner cryogenic refrigeration process.
Specifically, when air conditioner freezes, as outdoor environment temperature T4<During TSET1, then air conditioner enters cryogenic refrigeration mould
Formula, adjustment outdoor fan gear are down to PN gears, it is preferred that TSET1 can take 10 DEG C.Wherein, TSET1 is the first default outdoor
Environment temperature.
In any of the above-described technical solution, it is preferable that entering cryogenic refrigeration into Cheng Qian, progress control method further includes：
It is periodically detected outdoor environment temperature and operational mode；Detecting outdoor environment temperature outdoor ring default less than or equal to first
When border temperature and operational mode are refrigeration mode, determine to enter cryogenic refrigeration process.
In the technical scheme, detecting outdoor environment temperature less than or equal to the first default outdoor environment temperature and fortune
When row pattern is refrigeration mode, determines to enter cryogenic refrigeration process, improve the accuracy into cryogenic refrigeration process, pass through week
The detection outdoor environment temperature and operational mode of phase property are conducive to improve the real-time judged into cryogenic refrigeration process, pass through
The first default outdoor environment temperature is set, specifies the condition into cryogenic refrigeration process, is improved into cryogenic refrigeration process
Reliability.
In any of the above-described technical solution, it is preferable that progress control method further includes：After cryogenic refrigeration process is entered,
Detecting that outdoor environment temperature is less than or equal to the outlet temperature of the second default outdoor environment temperature and outdoor heat exchanger and is less than
Or during equal to the first default outlet temperature, the solenoid valve cut-off set in the refrigerant inlet of outdoor heat exchanger is controlled.
In the technical scheme, by detecting outdoor environment temperature less than or equal to the second default outdoor environment temperature
And the outlet temperature of outdoor heat exchanger be less than or equal to the first default outlet temperature when, control in the refrigerant inlet of outdoor heat exchanger
The solenoid valve cut-off of setting, reduces the cold medium flux for flowing into outdoor heat exchanger, improves the pressure of refrigerant in heat exchanger, favorably
In the stability for improving refrigerant pressure in heat exchanger, by setting the second default outdoor environment temperature and the first default outlet temperature
Degree specifies the condition of control solenoid valve cut-off, improves the reliability according to temperature condition cut-off electromagnetic valve, improve air-conditioning
Refrigerating capacity under device cryogenic refrigeration process.
Specifically, detection outdoor environment temperature T4<TSET3 and outdoor heat exchanger outlet temperature T3<TSET4 whether simultaneously into
It is vertical, it such as sets up, then closes solenoid valve, otherwise, solenoid valve is always maintained at opening.Preferably, TSET3 can take -10 DEG C,
TSET4 can take 10 DEG C.Wherein, TSET3 is the second default outdoor environment temperature, and TSET4 is the first default outlet temperature.
In any of the above-described technical solution, it is preferable that adjust turning for outdoor fan according to the outlet temperature of outdoor heat exchanger
Speed specifically includes：Outdoor ring is preset detecting that outdoor environment temperature is more than the second default outdoor environment temperature and is less than first
During the temperature of border and when being periodically detected outlet temperature less than or equal to the second default outlet temperature, outdoor fan is controlled
Rotating speed be gradually reduced；Outdoor is preset detecting that outdoor environment temperature is more than the second default outdoor environment temperature and is less than first
During environment temperature and when being periodically detected outlet temperature more than the second default outlet temperature, turning for outdoor fan is controlled
Fast gradually increase.
In the technical scheme, by detecting outdoor environment temperature more than the second default outdoor environment temperature and being less than
During the first default outdoor environment temperature and outlet temperature is periodically detected less than or equal to the second default outlet temperature
When, the rotating speed of outdoor fan is controlled to be gradually reduced, reduces the exchange capability of heat of outdoor unit heat exchanger, is conducive to raising outdoor unit and changes
The pressure of refrigerant in hot device improves the stability of air conditioner refrigerating capacity.
Specifically, into after cryogenic refrigeration pattern, outdoor heat exchanger outlet temperature T3 is judged<Whether TSET2 is true, if
It sets up, then outdoor fan rotating speed continues to decline one grade on the basis of PN, judges once every the t1 times.Preferably, TSET2 can be with
2 DEG C are taken, t1 can take 2min.Wherein, TSET2 is the second default outlet temperature.
Correspondingly, by detecting that outdoor environment temperature is default more than the second default outdoor environment temperature and less than first
During outdoor environment temperature and when being periodically detected outlet temperature more than the second default outlet temperature, outdoor fan is controlled
Rotating speed gradually increase, improve the exchange capability of heat of outdoor unit heat exchanger, be conducive to improve air conditioner refrigerating capacity stability,
Improve the usage experience of user.
In any of the above-described technical solution, it is preferable that ranging from 1 DEG C~3 DEG C of the second default outlet temperature.
In the technical scheme, when air conditioner runs on cryogenic refrigeration state, by detecting the second default outlet temperature,
In the case where ensureing that outdoor heat exchanger normally freezes, the stability of refrigerant pressure in heat exchanger is improved, is conducive to improve empty
Adjust the stability run under device cryogenic refrigeration.
In any of the above-described technical solution, it is preferable that the first default outdoor environment temperature is less than or equal to 10 DEG C.
In the technical scheme, it is less than or equal to 10 DEG C by setting the first default environment temperature, is conducive to improve air-conditioning
Device enters the accuracy of cryogenic refrigeration process, improves the stability of air conditioner operation.
In any of the above-described technical solution, it is preferable that ranging from -11 DEG C~-9 DEG C of the second default outdoor environment temperature.
In the technical scheme, it by being -11 DEG C~-9 DEG C by the range set of the second default outdoor environment temperature, reduces
The possibility of solenoid valve malfunction is conducive to improve the stability of heat exchanger refrigerant pressure.
In any of the above-described technical solution, it is preferable that ranging from 9 DEG C~11 DEG C of the first default outlet temperature.
In the technical scheme, by being 9 DEG C~11 DEG C by the range set of the first default outlet temperature, ensureing air-conditioning
Device normally in the case of refrigeration, improves the stability of heat exchanger refrigerant pressure.
According to an embodiment of the invention, it is also proposed that a kind of computer readable storage medium is stored thereon with computer journey
Sequence, above computer program are performed realization following steps：After cryogenic refrigeration process is entered, it is periodically detected outdoor heat exchange
The outlet temperature of device；The rotating speed of outdoor fan is adjusted according to the outlet temperature of outdoor heat exchanger.
In the technical scheme, by after cryogenic refrigeration process is entered, being periodically detected the outlet temperature of outdoor heat exchanger
Degree improves the validity and accuracy of outdoor heat exchanger outlet temperature, by being adjusted according to the outlet temperature of outdoor heat exchanger
The rotating speed of outdoor fan is conducive to improve the speed of response of control heat exchanger pressure, improves the steady of refrigerant pressure in heat exchanger
It is qualitative, be conducive to the stable operation of air conditioner, improve the refrigerating capacity under air conditioner cryogenic refrigeration process.
Specifically, when air conditioner is freezed at low ambient temperatures, since outdoor environment temperature is relatively low, outdoor is caused to change
The hypotony of refrigerant in hot device at this point, reducing the rotating speed of outdoor fan by controller, reduces the heat exchange of outdoor heat exchanger
Ability improves the pressure of refrigerant in outdoor heat exchanger, be conducive to maintain heat exchanger in refrigerant pressure in a rational range
It is interior, improve the refrigerating capacity under air conditioner cryogenic refrigeration process.
In any of the above-described technical solution, it is preferable that entering cryogenic refrigeration into Cheng Qian, progress control method further includes：
It is periodically detected outdoor environment temperature and operational mode；Detecting outdoor environment temperature outdoor ring default less than or equal to first
When border temperature and operational mode are refrigeration mode, determine to enter cryogenic refrigeration process.
In the technical scheme, detecting outdoor environment temperature less than or equal to the first default outdoor environment temperature and fortune
When row pattern is refrigeration mode, determines to enter cryogenic refrigeration process, improve the accuracy into cryogenic refrigeration process, pass through week
The detection outdoor environment temperature and operational mode of phase property are conducive to improve the real-time judged into cryogenic refrigeration process, pass through
The first default outdoor environment temperature is set, specifies the condition into cryogenic refrigeration process, is improved into cryogenic refrigeration process
Reliability.
In any of the above-described technical solution, it is preferable that progress control method further includes：After cryogenic refrigeration process is entered,
Detecting that outdoor environment temperature is less than or equal to the outlet temperature of the second default outdoor environment temperature and outdoor heat exchanger and is less than
Or during equal to the first default outlet temperature, the solenoid valve cut-off set in the refrigerant inlet of outdoor heat exchanger is controlled.
In the technical scheme, by detecting outdoor environment temperature less than or equal to the second default outdoor environment temperature
And the outlet temperature of outdoor heat exchanger be less than or equal to the first default outlet temperature when, control in the refrigerant inlet of outdoor heat exchanger
The solenoid valve cut-off of setting, reduces the cold medium flux for flowing into outdoor heat exchanger, improves the pressure of refrigerant in heat exchanger, favorably
In the stability for improving refrigerant pressure in heat exchanger, by setting the second default outdoor environment temperature and the first default outlet temperature
Degree specifies the condition of control solenoid valve cut-off, improves the reliability according to temperature condition cut-off electromagnetic valve, improve air-conditioning
Refrigerating capacity under device cryogenic refrigeration process.
In any of the above-described technical solution, it is preferable that adjust turning for outdoor fan according to the outlet temperature of outdoor heat exchanger
Speed specifically includes：Outdoor ring is preset detecting that outdoor environment temperature is more than the second default outdoor environment temperature and is less than first
During the temperature of border and when being periodically detected outlet temperature less than or equal to the second default outlet temperature, outdoor fan is controlled
Rotating speed be gradually reduced；Outdoor is preset detecting that outdoor environment temperature is more than the second default outdoor environment temperature and is less than first
During environment temperature and when being periodically detected outlet temperature more than the second default outlet temperature, turning for outdoor fan is controlled
Fast gradually increase.
In the technical scheme, by detecting outdoor environment temperature more than the second default outdoor environment temperature and being less than
During the first default outdoor environment temperature and outlet temperature is periodically detected less than or equal to the second default outlet temperature
When, the rotating speed of outdoor fan is controlled to be gradually reduced, reduces the exchange capability of heat of outdoor unit heat exchanger, is conducive to raising outdoor unit and changes
The pressure of refrigerant in hot device improves the stability of air conditioner refrigerating capacity.
Correspondingly, by detecting that outdoor environment temperature is default more than the second default outdoor environment temperature and less than first
During outdoor environment temperature and when being periodically detected outlet temperature more than the second default outlet temperature, outdoor fan is controlled
Rotating speed gradually increase, improve the exchange capability of heat of outdoor unit heat exchanger, be conducive to improve air conditioner refrigerating capacity stability,
Improve the usage experience of user.
In any of the above-described technical solution, it is preferable that ranging from 1 DEG C~3 DEG C of the second default outlet temperature.
In the technical scheme, when air conditioner runs on cryogenic refrigeration state, by detecting the second default outlet temperature,
In the case where ensureing that outdoor heat exchanger normally freezes, the stability of refrigerant pressure in heat exchanger is improved, is conducive to improve empty
Adjust the stability run under device cryogenic refrigeration.
In any of the above-described technical solution, it is preferable that the first default outdoor environment temperature is less than or equal to 10 DEG C.
In the technical scheme, it is less than or equal to 10 DEG C by setting the first default environment temperature, is conducive to improve air-conditioning
Device enters the accuracy of cryogenic refrigeration process, improves the stability of air conditioner operation.
In any of the above-described technical solution, it is preferable that ranging from -11 DEG C~-9 DEG C of the second default outdoor environment temperature.
In the technical scheme, it by being -11 DEG C~-9 DEG C by the range set of the second default outdoor environment temperature, reduces
The possibility of solenoid valve malfunction is conducive to improve the stability of heat exchanger refrigerant pressure.
In any of the above-described technical solution, it is preferable that ranging from 9 DEG C~11 DEG C of the first default outlet temperature.
In the technical scheme, by being 9 DEG C~11 DEG C by the range set of the first default outlet temperature, ensureing air-conditioning
Device normally in the case of refrigeration, improves the stability of heat exchanger refrigerant pressure.
Technical scheme of the present invention is described in detail above in association with attached drawing, the present invention provides a kind of air conditioner, operation controls
Method processed and computer readable storage medium, by controller under cryogenic refrigeration process according to the outlet temperature of outdoor heat exchanger
The rotating speed of outdoor fan is adjusted, is conducive to improve the speed of response of control heat exchanger pressure, improves refrigerant pressure in heat exchanger
Stability, be conducive to the stable operation of air conditioner, improve the refrigerating capacity under air conditioner cryogenic refrigeration process.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, that is made any repaiies
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (11)
1. a kind of air conditioner, which is characterized in that including：
Outdoor fan；
First temperature sensor, set on the outlet of outdoor heat exchanger, for periodically detecting the outlet of the outdoor heat exchanger
Temperature；
Controller is connected to the outdoor fan and first temperature sensor, for the controller cryogenic refrigeration into
The rotating speed of the outdoor fan is adjusted under journey according to the outlet temperature of the outdoor heat exchanger.
2. air conditioner according to claim 1, which is characterized in that further include：
Solenoid valve, at least one branch of the refrigerant inlet of outdoor heat exchanger, for refrigerant to be controlled to flow into the outdoor
The flow of heat exchanger；
Second temperature sensor is set close to the outdoor heat exchanger, for periodically detecting outdoor environment temperature；
The controller is connected to the solenoid valve and the second temperature sensor, and the controller is detecting the outdoor
The outlet temperature that environment temperature is less than or equal to the first default outdoor environment temperature and the outdoor heat exchanger is less than or equal to the
During one default outlet temperature, the solenoid valve is controlled to end.
3. a kind of progress control method, which is characterized in that including：
After cryogenic refrigeration process is entered, it is periodically detected the outlet temperature of outdoor heat exchanger；
The rotating speed of outdoor fan is adjusted according to the outlet temperature of the outdoor heat exchanger.
4. progress control method according to claim 3, which is characterized in that entering cryogenic refrigeration into Cheng Qian, further including：
It is periodically detected outdoor environment temperature and operational mode；
Detecting that the outdoor environment temperature is less than or equal to the first default outdoor environment temperature and the operational mode is system
During chill formula, determine to enter the cryogenic refrigeration process.
5. progress control method according to claim 4, which is characterized in that further include：
After cryogenic refrigeration process is entered, detecting the outdoor environment temperature less than or equal to the second default outdoor environment temperature
When the outlet temperature of degree and outdoor heat exchanger is less than or equal to the first default outlet temperature, the refrigerant of the outdoor heat exchanger is controlled
The solenoid valve cut-off set in entrance.
6. progress control method according to claim 5, which is characterized in that according to the outlet temperature of the outdoor heat exchanger
The rotating speed of outdoor fan is adjusted, is specifically included：
Detecting the outdoor environment temperature more than the described second default outdoor environment temperature and less than the described first default room
During external environment temperature and when being periodically detected the outlet temperature less than or equal to the second default outlet temperature, control
The rotating speed of the outdoor fan is gradually reduced；
Detecting the outdoor environment temperature more than the described second default outdoor environment temperature and less than the described first default room
During external environment temperature and when being periodically detected the outlet temperature more than the second default outlet temperature, institute is controlled
The rotating speed for stating outdoor fan gradually increases.
7. progress control method according to claim 6, which is characterized in that
Ranging from 1 DEG C~3 DEG C of the second default outlet temperature.
8. progress control method according to any one of claims 4 to 7, which is characterized in that
The first default outdoor environment temperature is less than or equal to 10 DEG C.
9. progress control method according to any one of claims 5 to 7, which is characterized in that
Ranging from -11 DEG C~-9 DEG C of the second default outdoor environment temperature.
10. progress control method according to any one of claims 5 to 7, which is characterized in that
Ranging from 9 DEG C~11 DEG C of the first default outlet temperature.
11. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the computer program
It is realized when being executed by processor such as the step of the progress control method restriction of any one of claim 3 to 10.
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