CN105627524A - Air conditioner anti-freezing control method and air conditioner - Google Patents
Air conditioner anti-freezing control method and air conditioner Download PDFInfo
- Publication number
- CN105627524A CN105627524A CN201610144695.XA CN201610144695A CN105627524A CN 105627524 A CN105627524 A CN 105627524A CN 201610144695 A CN201610144695 A CN 201610144695A CN 105627524 A CN105627524 A CN 105627524A
- Authority
- CN
- China
- Prior art keywords
- vaporizer
- coil pipe
- pipe sensor
- conditioner
- expansion valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
Abstract
The invention discloses an air conditioner anti-freezing control method and an air conditioner. The air conditioner comprises a loop composed of an outdoor condenser, an indoor evaporator, a compressor, a four-way valve and a throttling device, wherein an electronic expansion valve is connected between the condenser and the evaporator. The method comprises the steps of detecting the temperature of a coil sensor of the evaporator after starting the air conditioner and operating refrigeration; and controlling the opening of the electronic valve according to the temperature of the coil sensor of the evaporator and a preset threshold value to prevent the evaporator from icing. By using the air conditioner anti-freezing control method and the air conditioner, the low-temperature and low-pressure anti-freezing control of the air conditioner is effectively realized under the condition that the operation of the air conditioner is kept, so that the icing problem of the air conditioner is solved.
Description
Technical field
The present invention relates to air-conditioning technical field, particularly relate to a kind of conditioner anti-freeze control method and conditioner.
Background technology
At present, conditioner is at the lower still running refrigerating of envrionment temperature, or causes low pressure too low because of system problem, and when causing vaporizer that ice condition occurs, usually can be out of service to protect.
Existing sfgd. is generally stops automatically opening after compressor waits vaporizer intensification. But, this kind of sfgd. can affect user to the normal use of conditioner.
Summary of the invention
The main purpose of the present invention is to provide a kind of conditioner anti-freeze control method and conditioner, it is intended to when not affecting user's using air-condition, effectively realizes the control of conditioner low-temp low-pressure anti-freeze is solved the ice formation issues of vaporizer.
For achieving the above object, the present invention provides a kind of conditioner anti-freeze control method, described conditioner comprises the loop being made up of outdoor condenser, indoor evaporator, compressor, four-way valve, throttling set, is connected with electric expansion valve between described condenser and vaporizer, and described method comprises:
After refrigerating operaton started shooting by conditioner, the coil pipe sensor temperature of detection vaporizer;
Coil pipe sensor temperature according to described vaporizer and predetermined threshold value, control the aperture of described electrovalve, to prevent evaporator develops ice.
Preferably, the described coil pipe sensor temperature according to described vaporizer and predetermined threshold value, control the aperture of described electrovalve, to prevent the step of evaporator develops ice comprises:
If the coil pipe sensor temperature T1 > TS1 of described vaporizer, then controlling electric expansion valve and do not open, conditioner maintains current running status;
If the coil pipe sensor temperature T1��TS1 of described vaporizer, and continue first and preset the time, then control electric expansion valve is opened with maximum opening and is run the 2nd and preset the time.
Preferably, described control electric expansion valve open with maximum opening and run the 2nd preset the time step after also comprise:
The coil pipe sensor temperature of detection vaporizer;
If the temperature T1��TS1 of the coil pipe sensor of described vaporizer, and continue first and preset the time, then control conditioner is shut down and is reported temperature protection fault.
Preferably, also comprise after the step of the coil pipe sensor temperature of described detection vaporizer:
If the coil pipe sensor temperature T1 > TS1 of described vaporizer, then detect the coil pipe sensor temperature of vaporizer in real time;
If the coil pipe sensor temperature T1��TS2 of vaporizer, and continue the 2nd and preset the time, then control electric expansion valve and run by current aperture;
If the coil pipe sensor temperature T1 > TS2 of vaporizer, then control electric expansion valve and reduce aperture with preset value, and move to the coil pipe sensor temperature T1=TS2 of vaporizer, keep electric expansion valve to run by current aperture; Wherein, TS2 > TS1.
Preferably, TS1 value is 0-2 DEG C; TS2 value is 0-10 DEG C; Described 2nd default time was set as 3-5 minute, and the described first default time was set as the 10-20 second.
The embodiment of the present invention also proposes a kind of conditioner, described conditioner comprises the loop being made up of outdoor condenser, indoor evaporator, compressor, four-way valve, throttling set, being connected with electric expansion valve between described condenser and vaporizer, described conditioner also comprises:
Detection module, for, after refrigerating operaton started shooting by conditioner, detecting the coil pipe sensor temperature of vaporizer;
Controller, for the coil pipe sensor temperature according to described vaporizer and predetermined threshold value, controls the aperture of described electrovalve, to prevent evaporator develops ice.
Preferably, described controller, if also for the coil pipe sensor temperature T1 > TS1 of described vaporizer, then controls electric expansion valve and does not open, and conditioner maintains current running status; If the coil pipe sensor temperature T1��TS1 of described vaporizer, and continue first and preset the time, then control electric expansion valve is opened with maximum opening and is run the 2nd and preset the time.
Preferably; described controller, also for control electric expansion valve open with maximum opening and run the 2nd preset the time after, if the temperature T1��TS1 of the coil pipe sensor of described vaporizer; and continue first and preset the time, then control conditioner is shut down and is reported temperature protection fault.
Preferably, described controller, also for control electric expansion valve open with maximum opening and run the 2nd preset the time after, if the coil pipe sensor temperature T1 > TS1 of described vaporizer, then detected the coil pipe sensor temperature of vaporizer in real time by described detection module; If the coil pipe sensor temperature T1��TS2 of vaporizer, and continue the 2nd and preset the time, then control electric expansion valve and run by current aperture; If the coil pipe sensor temperature T1 > TS2 of vaporizer, then control electric expansion valve and reduce aperture with preset value, and move to the coil pipe sensor temperature T1=TS2 of vaporizer, keep electric expansion valve to run by current aperture; Wherein, TS2 > TS1.
Preferably, TS1 value is 0-2 DEG C; TS2 value is 0-10 DEG C; Described 2nd default time was set as 3-5 minute, and the described first default time was set as the 10-20 second.
A kind of conditioner anti-freeze control method that the embodiment of the present invention proposes and conditioner, coil pipe sensor detected temperatures according to vaporizer, by adjusting the aperture of electric expansion valve, exhaust temperature is introduced indoor machine evaporation, the temperature of vaporizer is suitably raised, when remaining on conditioner operation, effectively realize the control of conditioner low-temp low-pressure anti-freeze is solved the ice formation issues of vaporizer.
Accompanying drawing explanation
Fig. 1 is the pipeline structure schematic diagram of embodiment of the present invention conditioner;
Fig. 2 is the schematic flow sheet of the conditioner better embodiment of anti-freeze control method of the present invention;
Fig. 3 is the refinement schematic flow sheet of conditioner anti-freeze of the present invention control embodiment of the method.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
It is to be understood that specific embodiment described herein is only in order to explain the present invention, it is not intended to limit the present invention.
Embodiment of the present invention scheme is mainly according to the coil pipe sensor detected temperatures of vaporizer, by adjusting the aperture of electric expansion valve, exhaust temperature is introduced indoor machine evaporation, the temperature of vaporizer is suitably raised, when remaining on conditioner operation, effectively realize the control of conditioner low temperature anti-freeze is solved the ice formation issues of vaporizer.
Specifically, reference Fig. 1 and Fig. 2, Fig. 1 is the pipeline structure schematic diagram of embodiment of the present invention conditioner; Fig. 2 is the schematic flow sheet of the conditioner better embodiment of anti-freeze control method of the present invention.
As shown in Figure 1, the conditioner of the embodiment of the present invention comprises the loop being made up of outdoor condenser 4, indoor evaporator 9, compressor 1, four-way valve 2, throttling set 5, outdoor condenser 4 is provided with outdoor fan 3, indoor evaporator 9 is provided with indoor fan 7, the coil pipe of vaporizer 9 is provided with temperature sensor, for detecting vaporizer 9 coil temperature, between condenser 4 and vaporizer 9, it is connected with electric expansion valve 6.
The present embodiment can according to the coil pipe sensor detected temperatures of vaporizer 9, by adjusting the aperture of electric expansion valve 6, exhaust temperature is introduced indoor machine evaporation 9, the temperature of vaporizer 9 is suitably raised, when remaining on conditioner operation, effectively realize the control of conditioner low temperature anti-freeze is solved the ice formation issues of vaporizer 9.
Specifically, as shown in Figure 2, the better embodiment of the present invention proposes a kind of conditioner anti-freeze control method, and described method comprises:
Step S101, after refrigerating operaton started shooting by conditioner, the coil pipe sensor temperature of detection vaporizer;
Conditioner runs receiving start after starting-up signal, and run preset the time (such as 3-5 minute).
Then, the controller of conditioner detects the temperature of the coil pipe sensor (hereinafter referred to as interior sensor) of vaporizer in real time, so that according to the temperature of interior sensor, the aperture of adjustment electric expansion valve, prevents evaporator develops ice.
Step S102, according to the coil pipe sensor temperature of described vaporizer and predetermined threshold value, controls the aperture of described electrovalve, to prevent evaporator develops ice.
Specifically, implementing mode as one, if the coil pipe sensor temperature T1 > TS1 of described vaporizer, then control electric expansion valve and do not open, conditioner maintains current running status;
If the coil pipe sensor temperature T1��TS1 of described vaporizer, and continue first and preset the time, then control electric expansion valve is opened with maximum opening and is run the 2nd and preset the time.
Wherein, TS1 value can be 0-2 DEG C, it is preferable to 0 DEG C; 2nd default time was set as 3-5 minute, and the described first default time was set as the 10-20 second.
Thus, when evaporator coil temperature is less than preset value and continues certain period, control electric expansion valve is opened with maximum opening, exhaust temperature is introduced indoor machine evaporation, the temperature of vaporizer is suitably raised, when remaining on conditioner operation, effectively realize the control of conditioner low temperature anti-freeze is solved the ice formation issues of vaporizer.
Certainly, in other embodiments, it is also possible to adopt the mode of the aperture strengthening electric expansion valve gradually, exhaust temperature is introduced indoor machine evaporation so that the temperature of vaporizer suitably raises.
Further, in order to improve the anti-effect of freezing of vaporizer, control electric expansion valve open with maximum opening and run the 2nd preset the time after, it is also possible to continue the coil pipe sensor temperature of detection vaporizer.
Now; if the temperature T1��TS1 of the coil pipe sensor of described vaporizer, and continue first and preset the time, show vaporizer heavy ice; cannot release evaporator develops ice phenomenon by the aperture of control electric expansion valve, then control conditioner is shut down and is reported temperature protection fault.
If the coil pipe sensor temperature T1 > TS1 of described vaporizer, then detect the coil pipe sensor temperature of vaporizer in real time;
If the coil pipe sensor temperature T1��TS2 of vaporizer, and continue the 2nd and preset the time, then control electric expansion valve and run by current aperture;
If the coil pipe sensor temperature T1 > TS2 of vaporizer, then control electric expansion valve and reduce aperture with preset value, and move to the coil pipe sensor temperature T1=TS2 of vaporizer, keep electric expansion valve to run by current aperture; Wherein, TS2 > TS1. TS2 value can be 0-10 DEG C, it is preferable to 5 DEG C.
The present embodiment passes through such scheme, coil pipe sensor detected temperatures according to vaporizer, by adjusting the aperture of electric expansion valve, exhaust temperature is introduced indoor machine evaporation, the temperature of vaporizer is suitably raised, when remaining on conditioner operation, effectively realize the control of conditioner low-temp low-pressure anti-freeze is solved the ice formation issues of vaporizer.
Below in conjunction with Fig. 3, embodiment of the present invention scheme is described in detail:
As shown in Figure 3, the refinement flow process of embodiment of the present invention conditioner low temperature anti-freeze control is as follows:
S1, conditioner run receiving start after starting-up signal, and run preset the time (such as 3-5 minute);
S2, controller detect the temperature of interior sensor in real time, if the temperature T1 of interior sensor > TS1 (preferably 0 DEG C), then electric expansion valve is not opened, and unit performs step S3; If the temperature T1 of interior sensor��TS1 (preferably 0 DEG C), and continue first and preset the time, then perform step S4;
S3, conditioner maintain current running status;
S4, controller control electric expansion valve is opened with maximum opening and is run the 2nd and preset the time;
S5, controller detect the temperature of interior sensor in real time, if the temperature T1 of interior sensor��TS1 (preferably 0 DEG C), and continue first and preset the time, then perform step S6; If the temperature T1 of interior sensor > TS1 (preferably 0 DEG C), then perform step S7;
S6, conditioner are shut down and are reported temperature protection fault;
S7, controller detect the temperature of interior sensor in real time, if the temperature T1 of interior sensor��TS2 (preferably 5 DEG C), and continue first and preset the time, then perform step S8; If the temperature T1 of interior sensor > TS2, then perform step S9;
S8, electric expansion valve run by current aperture;
S9, electric expansion valve reduce aperture with preset time period or preset value, and move to chamber sense actuator temperature T1=TS2, perform step S10.
S10, electric expansion valve run by current aperture.
Wherein, TS1 value is 0-2 DEG C, it is preferable that 0 DEG C.
Wherein, TS2 value is 0-10 DEG C, it is preferable that 5 DEG C.
Wherein, the described 2nd default time was set as 3-5 minute.
Wherein, the described first default time was set as the 10-20 second.
The present embodiment passes through such scheme, coil pipe sensor detected temperatures according to vaporizer, by adjusting the aperture of electric expansion valve, exhaust temperature is introduced indoor machine evaporation, the temperature of vaporizer is suitably raised, when remaining on conditioner operation, effectively realize the control of conditioner low-temp low-pressure anti-freeze is solved the ice formation issues of vaporizer.
Accordingly, it is proposed to conditioner embodiment of the present invention.
Shown in composition graphs 1, the better embodiment of the present invention proposes a kind of conditioner, described conditioner comprises the loop being made up of outdoor condenser, indoor evaporator, compressor, four-way valve, throttling set, is connected with electric expansion valve between described condenser and vaporizer, and described conditioner also comprises:
Detection module, for, after refrigerating operaton started shooting by conditioner, detecting the coil pipe sensor temperature of vaporizer;
Controller, for the coil pipe sensor temperature according to described vaporizer and predetermined threshold value, controls the aperture of described electrovalve, to prevent evaporator develops ice.
Further, described controller, if also for the coil pipe sensor temperature T1 > TS1 of described vaporizer, then controls electric expansion valve and does not open, and conditioner maintains current running status; If the coil pipe sensor temperature T1��TS1 of described vaporizer, and continue first and preset the time, then control electric expansion valve is opened with maximum opening and is run the 2nd and preset the time.
Further; described controller, also for control electric expansion valve open with maximum opening and run the 2nd preset the time after, if the temperature T1��TS1 of the coil pipe sensor of described vaporizer; and continue first and preset the time, then control conditioner is shut down and is reported temperature protection fault.
Further, described controller, also for control electric expansion valve open with maximum opening and run the 2nd preset the time after, if the coil pipe sensor temperature T1 > TS1 of described vaporizer, then detected the coil pipe sensor temperature of vaporizer in real time by described detection module; If the coil pipe sensor temperature T1��TS2 of vaporizer, and continue the 2nd and preset the time, then control electric expansion valve and run by current aperture; If the coil pipe sensor temperature T1 > TS2 of vaporizer, then control electric expansion valve and reduce aperture with preset value, and move to the coil pipe sensor temperature T1=TS2 of vaporizer, keep electric expansion valve to run by current aperture; Wherein, TS2 > TS1. TS1 value is 0-2 DEG C; TS2 value is 0-10 DEG C; Described 2nd default time was set as 3-5 minute, and the described first default time was set as the 10-20 second.
The ultimate principle of the present embodiment conditioner low-temp low-pressure anti-freeze control is as follows:
First, conditioner runs receiving start after starting-up signal, and run preset the time (such as 3-5 minute).
Then, the controller of conditioner detects the temperature of the coil pipe sensor (hereinafter referred to as interior sensor) of vaporizer in real time, so that according to the temperature of interior sensor, the aperture of adjustment electric expansion valve, prevents evaporator develops ice.
Specifically, implementing mode as one, if the coil pipe sensor temperature T1 > TS1 of described vaporizer, then control electric expansion valve and do not open, conditioner maintains current running status;
If the coil pipe sensor temperature T1��TS1 of described vaporizer, and continue first and preset the time, then control electric expansion valve is opened with maximum opening and is run the 2nd and preset the time.
Wherein, TS1 value can be 0-2 DEG C, it is preferable to 0 DEG C; 2nd default time was set as 3-5 minute, and the described first default time was set as the 10-20 second.
Thus, when evaporator coil temperature is less than preset value and continues certain period, control electric expansion valve is opened with maximum opening, exhaust temperature is introduced indoor machine evaporation, the temperature of vaporizer is suitably raised, when remaining on conditioner operation, effectively realize the control of conditioner low temperature anti-freeze is solved the ice formation issues of vaporizer.
Certainly, in other embodiments, it is also possible to adopt the mode of the aperture strengthening electric expansion valve gradually, exhaust temperature is introduced indoor machine evaporation so that the temperature of vaporizer suitably raises.
Further, in order to improve the anti-effect of freezing of vaporizer, control electric expansion valve open with maximum opening and run the 2nd preset the time after, it is also possible to continue the coil pipe sensor temperature of detection vaporizer.
Now; if the temperature T1��TS1 of the coil pipe sensor of described vaporizer, and continue first and preset the time, show vaporizer heavy ice; cannot release evaporator develops ice phenomenon by the aperture of control electric expansion valve, then control conditioner is shut down and is reported temperature protection fault.
If the coil pipe sensor temperature T1 > TS1 of described vaporizer, then detect the coil pipe sensor temperature of vaporizer in real time;
If the coil pipe sensor temperature T1��TS2 of vaporizer, and continue the 2nd and preset the time, then control electric expansion valve and run by current aperture;
If the coil pipe sensor temperature T1 > TS2 of vaporizer, then control electric expansion valve and reduce aperture with preset value, and move to the coil pipe sensor temperature T1=TS2 of vaporizer, keep electric expansion valve to run by current aperture; Wherein, TS2 > TS1. TS2 value can be 0-10 DEG C, it is preferable to 5 DEG C.
The present embodiment passes through such scheme, coil pipe sensor detected temperatures according to vaporizer, by adjusting the aperture of electric expansion valve, exhaust temperature is introduced indoor machine evaporation, the temperature of vaporizer is suitably raised, when remaining on conditioner operation, effectively realize the control of conditioner low-temp low-pressure anti-freeze is solved the ice formation issues of vaporizer.
The refinement flow process of embodiment of the present invention conditioner low temperature anti-freeze control can be as shown in Figure 3.
These are only the preferred embodiments of the present invention; not thereby the patent scope of the present invention is limited; every utilize specification sheets of the present invention and accompanying drawing content to do equivalent structure or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical fields, all it is included in the scope of patent protection of the present invention with reason.
Claims (10)
1. a conditioner anti-freeze control method, described conditioner comprises the loop being made up of outdoor condenser, indoor evaporator, compressor, four-way valve, throttling set, it is connected with electric expansion valve between described condenser and vaporizer, it is characterised in that, described method comprises:
After refrigerating operaton started shooting by conditioner, the coil pipe sensor temperature of detection vaporizer;
Coil pipe sensor temperature according to described vaporizer and predetermined threshold value, control the aperture of described electrovalve, to prevent evaporator develops ice.
2. method according to claim 1, it is characterised in that, the described coil pipe sensor temperature according to described vaporizer and predetermined threshold value, control the aperture of described electrovalve, to prevent the step of evaporator develops ice comprises:
If the coil pipe sensor temperature T1 > TS1 of described vaporizer, then controlling electric expansion valve and do not open, conditioner maintains current running status;
If the coil pipe sensor temperature T1��TS1 of described vaporizer, and continue first and preset the time, then control electric expansion valve is opened with maximum opening and is run the 2nd and preset the time.
3. method according to claim 2, it is characterised in that, described control electric expansion valve open with maximum opening and run the 2nd preset the time step after also comprise:
The coil pipe sensor temperature of detection vaporizer;
If the temperature T1��TS1 of the coil pipe sensor of described vaporizer, and continue first and preset the time, then control conditioner is shut down and is reported temperature protection fault.
4. method according to claim 3, it is characterised in that, also comprise after the step of the coil pipe sensor temperature of described detection vaporizer:
If the coil pipe sensor temperature T1 > TS1 of described vaporizer, then detect the coil pipe sensor temperature of vaporizer in real time;
If the coil pipe sensor temperature T1��TS2 of vaporizer, and continue the 2nd and preset the time, then control electric expansion valve and run by current aperture;
If the coil pipe sensor temperature T1 > TS2 of vaporizer, then control electric expansion valve and reduce aperture with preset value, and move to the coil pipe sensor temperature T1=TS2 of vaporizer, keep electric expansion valve to run by current aperture; Wherein, TS2 > TS1.
5. method according to claim 4, it is characterised in that, TS1 value is 0-2 DEG C; TS2 value is 0-10 DEG C; Described 2nd default time was set as 3-5 minute, and the described first default time was set as the 10-20 second.
6. a conditioner, described conditioner comprises the loop being made up of outdoor condenser, indoor evaporator, compressor, four-way valve, throttling set, is connected with electric expansion valve between described condenser and vaporizer, it is characterised in that, described conditioner also comprises:
Detection module, for, after refrigerating operaton started shooting by conditioner, detecting the coil pipe sensor temperature of vaporizer;
Controller, for the coil pipe sensor temperature according to described vaporizer and predetermined threshold value, controls the aperture of described electrovalve, to prevent evaporator develops ice.
7. conditioner according to claim 6, it is characterised in that,
Described controller, if also for the coil pipe sensor temperature T1 > TS1 of described vaporizer, then controls electric expansion valve and does not open, and conditioner maintains current running status; If the coil pipe sensor temperature T1��TS1 of described vaporizer, and continue first and preset the time, then control electric expansion valve is opened with maximum opening and is run the 2nd and preset the time.
8. conditioner according to claim 7, it is characterised in that,
Described controller, also for control electric expansion valve open with maximum opening and run the 2nd preset the time after, if the temperature T1��TS1 of the coil pipe sensor of described vaporizer, and continue first and preset the time, then control conditioner and shut down and report temperature protection fault.
9. conditioner according to claim 8, it is characterised in that,
Described controller, also for control electric expansion valve open with maximum opening and run the 2nd preset the time after, if the coil pipe sensor temperature T1 > TS1 of described vaporizer, then detected the coil pipe sensor temperature of vaporizer in real time by described detection module; If the coil pipe sensor temperature T1��TS2 of vaporizer, and continue the 2nd and preset the time, then control electric expansion valve and run by current aperture; If the coil pipe sensor temperature T1 > TS2 of vaporizer, then control electric expansion valve and reduce aperture with preset value, and move to the coil pipe sensor temperature T1=TS2 of vaporizer, keep electric expansion valve to run by current aperture; Wherein, TS2 > TS1.
10. conditioner according to claim 9, it is characterised in that, TS1 value is 0-2 DEG C; TS2 value is 0-10 DEG C; Described 2nd default time was set as 3-5 minute, and the described first default time was set as the 10-20 second.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610144695.XA CN105627524B (en) | 2016-03-14 | 2016-03-14 | Air conditioner anti-freeze control method and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610144695.XA CN105627524B (en) | 2016-03-14 | 2016-03-14 | Air conditioner anti-freeze control method and air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105627524A true CN105627524A (en) | 2016-06-01 |
| CN105627524B CN105627524B (en) | 2018-06-01 |
Family
ID=56042693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610144695.XA Active CN105627524B (en) | 2016-03-14 | 2016-03-14 | Air conditioner anti-freeze control method and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105627524B (en) |
Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106196507A (en) * | 2016-08-19 | 2016-12-07 | 芜湖美智空调设备有限公司 | Air-conditioner and the control method of air-conditioner |
| CN106288205A (en) * | 2016-08-19 | 2017-01-04 | 芜湖美智空调设备有限公司 | Air-conditioner and control method thereof |
| CN106288544A (en) * | 2016-08-19 | 2017-01-04 | 芜湖美智空调设备有限公司 | Air-conditioner and control method thereof |
| CN106765919A (en) * | 2016-12-08 | 2017-05-31 | 珠海格力电器股份有限公司 | A kind of control method of air-conditioning, device and air-conditioning |
| CN107101330A (en) * | 2017-04-26 | 2017-08-29 | 珠海格力电器股份有限公司 | A kind of air conditioning control method and device |
| CN108397873A (en) * | 2018-02-14 | 2018-08-14 | 青岛海尔空调器有限总公司 | Indoor unit anti-freeze control method for air conditioner |
| CN108413563A (en) * | 2018-02-14 | 2018-08-17 | 青岛海尔空调器有限总公司 | Indoor unit anti-freeze control method for air conditioner |
| CN108413564A (en) * | 2018-02-14 | 2018-08-17 | 青岛海尔空调器有限总公司 | Indoor unit anti-freeze control method and air conditioner for air conditioner |
| CN108413565A (en) * | 2018-02-14 | 2018-08-17 | 青岛海尔空调器有限总公司 | Indoor unit anti-freeze control method and air conditioner for air conditioner |
| CN108444034A (en) * | 2018-02-14 | 2018-08-24 | 青岛海尔空调器有限总公司 | Indoor unit anti-freeze control method and air conditioner for air conditioner |
| CN109210699A (en) * | 2018-09-10 | 2019-01-15 | 青岛海尔空调器有限总公司 | The control method of air-conditioning anti-freeze protection |
| CN109210698A (en) * | 2018-09-10 | 2019-01-15 | 青岛海尔空调器有限总公司 | A kind of control method of air-conditioning freeze protection |
| CN109210696A (en) * | 2018-09-10 | 2019-01-15 | 青岛海尔空调器有限总公司 | A kind of control method of air-conditioning anti-freeze protection |
| CN109442664A (en) * | 2018-11-06 | 2019-03-08 | 奥克斯空调股份有限公司 | A kind of the anti-freeze control method and air conditioner of air conditioner |
| CN110186150A (en) * | 2019-05-31 | 2019-08-30 | 广东美的制冷设备有限公司 | Progress control method, control device, air conditioner and computer readable storage medium |
| CN110793159A (en) * | 2019-11-19 | 2020-02-14 | 宁波奥克斯电气股份有限公司 | Air conditioner refrigeration anti-freezing protection control method and device and air conditioner |
| CN111189177A (en) * | 2018-11-14 | 2020-05-22 | 青岛海尔空调器有限总公司 | Air conditioner and anti-freezing control method thereof |
| CN111397103A (en) * | 2020-04-16 | 2020-07-10 | 宁波奥克斯电气股份有限公司 | Air conditioner anti-freezing control method and device and air conditioner |
| CN111623483A (en) * | 2020-04-28 | 2020-09-04 | 海信（山东）空调有限公司 | Air conditioner and protection method thereof |
| WO2021051758A1 (en) * | 2019-09-20 | 2021-03-25 | 青岛海尔空调电子有限公司 | Control method for air conditioning system, and air conditioning system |
| CN112762593A (en) * | 2021-01-06 | 2021-05-07 | 青岛海尔空调器有限总公司 | Control method and device for preventing freezing of air conditioner evaporator and cabinet air conditioner |
| CN114353277A (en) * | 2021-11-30 | 2022-04-15 | 珠海格力电器股份有限公司 | Anti-frosting control method and anti-frosting air conditioner |
| CN115096015A (en) * | 2022-06-30 | 2022-09-23 | 广东纽恩泰新能源科技发展有限公司 | Heat pump refrigeration anti-freezing method, device and control system |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109210694A (en) * | 2018-09-10 | 2019-01-15 | 青岛海尔空调器有限总公司 | A kind of air-conditioning based on wind pressure freezes the control method remedied automatically afterwards |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1264024A (en) * | 1999-02-03 | 2000-08-23 | 三洋电机株式会社 | Air conditioner |
| CN1499148A (en) * | 2002-11-07 | 2004-05-26 | 松下电器产业株式会社 | Air conditioner and its control method |
| CN2750259Y (en) * | 2004-12-03 | 2006-01-04 | 广东美的电器股份有限公司 | Low-temperature heat-production air conditioner |
| CN101464033A (en) * | 2007-12-19 | 2009-06-24 | 海尔集团公司 | Antifreeze method and system for indoor unit of air conditioner |
| CN101644511A (en) * | 2008-08-06 | 2010-02-10 | Tcl集团股份有限公司 | Parallel flow evaporator and anti-freezing method thereof |
| JP2014222145A (en) * | 2014-09-03 | 2014-11-27 | 三菱電機株式会社 | Air conditioner |
-
2016
- 2016-03-14 CN CN201610144695.XA patent/CN105627524B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1264024A (en) * | 1999-02-03 | 2000-08-23 | 三洋电机株式会社 | Air conditioner |
| CN1499148A (en) * | 2002-11-07 | 2004-05-26 | 松下电器产业株式会社 | Air conditioner and its control method |
| CN2750259Y (en) * | 2004-12-03 | 2006-01-04 | 广东美的电器股份有限公司 | Low-temperature heat-production air conditioner |
| CN101464033A (en) * | 2007-12-19 | 2009-06-24 | 海尔集团公司 | Antifreeze method and system for indoor unit of air conditioner |
| CN101644511A (en) * | 2008-08-06 | 2010-02-10 | Tcl集团股份有限公司 | Parallel flow evaporator and anti-freezing method thereof |
| JP2014222145A (en) * | 2014-09-03 | 2014-11-27 | 三菱電機株式会社 | Air conditioner |
Cited By (32)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106288205A (en) * | 2016-08-19 | 2017-01-04 | 芜湖美智空调设备有限公司 | Air-conditioner and control method thereof |
| CN106288544A (en) * | 2016-08-19 | 2017-01-04 | 芜湖美智空调设备有限公司 | Air-conditioner and control method thereof |
| CN106196507A (en) * | 2016-08-19 | 2016-12-07 | 芜湖美智空调设备有限公司 | Air-conditioner and the control method of air-conditioner |
| CN106765919B (en) * | 2016-12-08 | 2019-06-28 | 珠海格力电器股份有限公司 | A kind of control method of air-conditioning, device and air-conditioning |
| CN106765919A (en) * | 2016-12-08 | 2017-05-31 | 珠海格力电器股份有限公司 | A kind of control method of air-conditioning, device and air-conditioning |
| CN107101330A (en) * | 2017-04-26 | 2017-08-29 | 珠海格力电器股份有限公司 | A kind of air conditioning control method and device |
| CN107101330B (en) * | 2017-04-26 | 2019-07-23 | 珠海格力电器股份有限公司 | A kind of air conditioning control method and device |
| CN108397873A (en) * | 2018-02-14 | 2018-08-14 | 青岛海尔空调器有限总公司 | Indoor unit anti-freeze control method for air conditioner |
| CN108413564A (en) * | 2018-02-14 | 2018-08-17 | 青岛海尔空调器有限总公司 | Indoor unit anti-freeze control method and air conditioner for air conditioner |
| CN108444034A (en) * | 2018-02-14 | 2018-08-24 | 青岛海尔空调器有限总公司 | Indoor unit anti-freeze control method and air conditioner for air conditioner |
| CN108413563A (en) * | 2018-02-14 | 2018-08-17 | 青岛海尔空调器有限总公司 | Indoor unit anti-freeze control method for air conditioner |
| CN108413565A (en) * | 2018-02-14 | 2018-08-17 | 青岛海尔空调器有限总公司 | Indoor unit anti-freeze control method and air conditioner for air conditioner |
| CN109210698A (en) * | 2018-09-10 | 2019-01-15 | 青岛海尔空调器有限总公司 | A kind of control method of air-conditioning freeze protection |
| CN109210696A (en) * | 2018-09-10 | 2019-01-15 | 青岛海尔空调器有限总公司 | A kind of control method of air-conditioning anti-freeze protection |
| CN109210699A (en) * | 2018-09-10 | 2019-01-15 | 青岛海尔空调器有限总公司 | The control method of air-conditioning anti-freeze protection |
| CN109210696B (en) * | 2018-09-10 | 2020-11-03 | 青岛海尔空调器有限总公司 | Control method for anti-freezing protection of air conditioner |
| CN109210699B (en) * | 2018-09-10 | 2020-11-27 | 青岛海尔空调器有限总公司 | Control method for anti-freezing protection of air conditioner |
| CN109210698B (en) * | 2018-09-10 | 2020-11-03 | 青岛海尔空调器有限总公司 | Control method for air conditioner freezing protection |
| CN109442664A (en) * | 2018-11-06 | 2019-03-08 | 奥克斯空调股份有限公司 | A kind of the anti-freeze control method and air conditioner of air conditioner |
| CN111189177B (en) * | 2018-11-14 | 2021-08-24 | 重庆海尔空调器有限公司 | Air conditioner and anti-freezing control method thereof |
| CN111189177A (en) * | 2018-11-14 | 2020-05-22 | 青岛海尔空调器有限总公司 | Air conditioner and anti-freezing control method thereof |
| CN110186150A (en) * | 2019-05-31 | 2019-08-30 | 广东美的制冷设备有限公司 | Progress control method, control device, air conditioner and computer readable storage medium |
| CN110186150B (en) * | 2019-05-31 | 2021-06-29 | 广东美的制冷设备有限公司 | Operation control method, control device, air conditioner, and computer-readable storage medium |
| WO2021051758A1 (en) * | 2019-09-20 | 2021-03-25 | 青岛海尔空调电子有限公司 | Control method for air conditioning system, and air conditioning system |
| CN110793159A (en) * | 2019-11-19 | 2020-02-14 | 宁波奥克斯电气股份有限公司 | Air conditioner refrigeration anti-freezing protection control method and device and air conditioner |
| CN110793159B (en) * | 2019-11-19 | 2021-10-26 | 宁波奥克斯电气股份有限公司 | Air conditioner refrigeration anti-freezing protection control method and device and air conditioner |
| CN111397103A (en) * | 2020-04-16 | 2020-07-10 | 宁波奥克斯电气股份有限公司 | Air conditioner anti-freezing control method and device and air conditioner |
| CN111623483A (en) * | 2020-04-28 | 2020-09-04 | 海信（山东）空调有限公司 | Air conditioner and protection method thereof |
| CN112762593A (en) * | 2021-01-06 | 2021-05-07 | 青岛海尔空调器有限总公司 | Control method and device for preventing freezing of air conditioner evaporator and cabinet air conditioner |
| CN114353277A (en) * | 2021-11-30 | 2022-04-15 | 珠海格力电器股份有限公司 | Anti-frosting control method and anti-frosting air conditioner |
| CN115096015A (en) * | 2022-06-30 | 2022-09-23 | 广东纽恩泰新能源科技发展有限公司 | Heat pump refrigeration anti-freezing method, device and control system |
| CN115096015B (en) * | 2022-06-30 | 2023-10-20 | 广东纽恩泰新能源科技发展有限公司 | Heat pump refrigeration anti-freezing method, device and control system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105627524B (en) | 2018-06-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105627524A (en) | Air conditioner anti-freezing control method and air conditioner | |
| US10168066B2 (en) | Air conditioner with outdoor fan control in accordance with suction pressure and suction superheating degree of a compressor | |
| US11168913B2 (en) | Control method and control device of air conditioner and air conditioner | |
| US20120291984A1 (en) | Kind Of Air Conditioner System And Control Method Of Its Condensing Fan | |
| US10345022B2 (en) | Air-conditioning apparatus | |
| CN103398444A (en) | Air conditioner low-temperature refrigeration method and device | |
| EP3734177B1 (en) | Control method for air conditioner | |
| CN101464033A (en) | Antifreeze method and system for indoor unit of air conditioner | |
| US10006690B2 (en) | Air conditioner and method for controlling the air conditioner | |
| CN102226608B (en) | Air conditioner defrosting system, air conditioner and air conditioner defrosting method | |
| CN105258219B (en) | Air conditioner and its control method and control system | |
| CN104006445A (en) | Multi-linkage air conditioner and control method thereof | |
| WO2018233457A1 (en) | Air conditioner and defrosting method for outdoor unit thereof | |
| CN104457048A (en) | Air conditioning refrigeration system and control method | |
| EP3543617B1 (en) | Outdoor unit for air conditioner | |
| JP2013178046A (en) | Air conditioner | |
| CN114017898B (en) | Multi-split system | |
| JP2011237057A (en) | Air conditioner | |
| CN106931545B (en) | Heat pump enthalpy-spraying system, control method thereof and air conditioner | |
| CN110822545A (en) | Variable frequency air conditioning system and control method for low frequency operation thereof | |
| JP2012013365A (en) | Air conditioner | |
| CN103398515A (en) | Air conditioner system and control method thereof | |
| CN104949297B (en) | Air-conditioner set and its compress control method | |
| CN104422209A (en) | Air conditioning system | |
| CN110319542B (en) | Unloading start-stop control method of large-displacement variable-frequency multi-split system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |