CN107560112B - A kind of control method of air conditioner refrigerating high temperature-proof protection - Google Patents
A kind of control method of air conditioner refrigerating high temperature-proof protection Download PDFInfo
- Publication number
- CN107560112B CN107560112B CN201710684228.0A CN201710684228A CN107560112B CN 107560112 B CN107560112 B CN 107560112B CN 201710684228 A CN201710684228 A CN 201710684228A CN 107560112 B CN107560112 B CN 107560112B
- Authority
- CN
- China
- Prior art keywords
- temperature
- compressor
- air
- control method
- air conditioner
- 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.)
- Active
Links
Abstract
The present invention relates to a kind of control methods of air conditioner refrigerating high temperature-proof protection; the control method protected by using air conditioner refrigerating high temperature-proof; operate normally air-conditioner set can compared under bad working environments; it is adjusted by the on-off and indoor fan windscreen of flash evaporation to achieve the effect that air-conditioner set decompression and compressor body cooling; therefore; prevent air-conditioning from the problem of high frequent start-stop occur reaching a certain preset value, to improve the service life of compressor.
Description
Technical field
The present invention relates to field of air conditioning, and in particular to a kind of control method of air conditioner refrigerating high temperature-proof protection.
Background technique
A kind of household electrical appliance that air-conditioning is adjusted as room temperature, are increasingly liked by people.Currently, in order to protect
Compressor avoids compressor from operating in the high temperature environment for a long time, and makes coil burnout and pipeline breaking, in cooling mode,
Setting coil pipe temperature sensing package on condenser is typically employed in be protected, so that compressor high temperature operation is prevented, specific control method
As follows: under refrigeration mode, a period of time inner shield outdoor coil temperature after compressor start is detected, and machine to be compressed runs one section
Outdoor coil temperature is detected again after time, if detecting, outdoor coil temperature continues all to be higher than within N seconds some setting threshold values
Temperature T, then cooler compressor is out of service, does not report failure；If outdoor coil temperature continues to be lower than within M seconds setting threshold temperature T,
Then cooler compressor, which is powered, runs.It is had the following problems using above-mentioned control method: being easy to cause the frequent start-stop of compressor,
Compressor whole service life can be shortened in this way；In addition, cooler compressor required one section of guard time after stopping every time
Could be normally-open, if short time inner compressor frequent start-stop, will lead to indoor cooling capacity off and on, client's refrigeration effect
It is poor to experience.
Therefore, it is necessary to the control methods protected to air-conditioning high temperature-proof under existing refrigeration mode to be improved further.
Summary of the invention
The technical problem to be solved by the invention for the present situation of prior art is to provide one kind to prevent in cooling mode
The control method of the air conditioner refrigerating high temperature-proof protection of high frequent start-stop.
The technical scheme of the invention to solve the technical problem is: a kind of control of air conditioner refrigerating high temperature-proof protection
Method, the air-conditioning include evaporator, condenser, indoor fan, outdoor fan, compressor and the air inlet phase with compressor
The making-up air device of connection, the making-up air device are connected by solenoid valve with the air inlet of compressor, it is characterised in that: the control
Method processed the following steps are included:
S1: air conditioner refrigerating booting；
S2: air-conditioning indoor fan is run according to the refrigeration mode of setting, outdoor fan starting, and compressor, which is powered, to be run；
S3: detection arbitrary continuation t1Outdoor coil temperature T in timew, and with the first preset temperature T1It is compared；If full
Sufficient Tw≥T1, then follow the steps S4；Otherwise, S2 is returned to step；
S4: solenoid valve is opened, and making-up air device conducting and the liquid storage device tonifying Qi to compressor persistently detect and record t2In time
Every t3The outdoor coil pipe used T of timew, in continuous time t2Interior detection Δ Tw=Tw1-Twj, wherein Tw1For the outdoor at the first interval
Coil temperature, TwjFor the outdoor coil temperature at jth interval, j=t2/t3, and with the second preset temperature T2It is compared；Or by Twj
With third preset temperature T3It is compared；
S5: if Δ Tw< T2Or Twj> T3, then follow the steps S6；Otherwise, step S10 is executed；
S6: judging whether indoor fan is minimum wind file, if minimum windscreen, executes step S7, no to then follow the steps S8；
S7: keeping solenoid valve to open, and indoor fan is run by deep low gear wind, and outdoor fan runs well, and compressor power-off stops
Machine, and execute step S12；
S8: indoor fan reduces by one grade of operation, outdoor fan runs well, and compressor normal power supply, compressor is persistently transported
Row t4Outdoor coil temperature T is detected after timew；
S9: by the outdoor coil temperature T of step S8wWith the 4th preset temperature T4It is compared, if Tw≥T4, then return and hold
Row step S6, it is no to then follow the steps S10；
S10: keeping solenoid valve to open, and indoor fan, outdoor fan and compressor are executed according to previous movement, and under execution
One step；
S11: detection arbitrary continuation time t5Interior outdoor coil temperature Tw, and with the 5th preset temperature T5It is compared, if
Tw≤T5, execute step S13 and otherwise return to step S10；
S12: detection arbitrary continuation time t5Interior outdoor coil temperature Tw, and with the 5th preset temperature T5It is compared, if
Tw≤T5, execute step S13 and otherwise return to step S7；
S13: solenoid valve is closed, and returns to step S2.
Preferably, the making-up air device is flash evaporation.
Preferably, in step s3, t1For 10s, the first preset temperature T1It is 60 DEG C.
Preferably, in step s 4, t2For 90s, t3For 10s, the second preset temperature T2It is 1 DEG C, third preset temperature T3For
59℃。
It is further preferred that in step s 8, t4For 60s, in step s 9, the 4th preset temperature T4It is 60 DEG C.
Preferably, in step S11 and step S12, t5For 10s, the 5th preset temperature T5It is 55 DEG C.
In order to preferably detect outdoor coil temperature, it is preferable that be provided on the condenser outdoor coil pipe used for detecting
The coil pipe temperature sensing package of temperature.
Compared with the prior art, the advantages of the present invention are as follows: the control method protected by using air conditioner refrigerating high temperature-proof,
It operate normally air-conditioner set can compared under bad working environments, be adjusted by the on-off and indoor fan windscreen of flash evaporation
Achieve the effect that be depressured to air-conditioner set and compressor body cooling, it is therefore prevented that air-conditioning goes out reaching a certain preset value
The problem of existing high frequent start-stop, to improve the service life of compressor.
Detailed description of the invention
Fig. 1 is the refrigerant system configurations schematic diagram of the embodiment of the present invention；
Fig. 2 is the flow chart of the control method of air conditioner refrigerating of embodiment of the present invention high temperature-proof protection.
Specific embodiment
The present invention will be described in further detail below with reference to the embodiments of the drawings.
As shown in Figure 1, the air-conditioning of the embodiment of the present invention includes evaporator 1, condenser 2, indoor fan, outdoor fan, pressure
Contracting machine 3 and the making-up air device being connected with the air inlet 31 of compressor 3 are provided on condenser 2 outdoor coil pipe used for detecting
The coil pipe temperature sensing package of temperature, making-up air device are connected by solenoid valve 5 with the air inlet 31 of compressor 3, which is to dodge
Send out device 4, wherein flash evaporation 4 includes the first port 41 being connected with one end of evaporator 1,31 phase of air inlet with compressor 3
The gaseous phase outlet 43 of connection and the second port 42 being connected with condenser 2, the first port 41 and evaporator 1 of flash evaporation 4
Between be arranged in series two-step throttle component 6, be arranged in series level-one between the second port 42 and condenser device 2 of flash evaporation 4
Throttle part 7 is sequentially connected in series between the gaseous phase outlet 43 of flash evaporation 4 and the air inlet 31 of compressor 3 and is provided with solenoid valve 5 and two
Grade throttle part 8, and be arranged in parallel with evaporator 1.
In the present embodiment, solenoid valve 5 opens the principle that tonifying Qi is carried out to compressor 3: refrigerant passes through level-one throttle part 7
Afterwards, flash steam is formed in flash evaporation 4, flash steam and the superheated steam come out from evaporator 1 cool down latter with entrance
In compressor 3, so on the one hand, with the opening of solenoid valve 5, gas bypass is formed, 2 lateral pressure of condenser is effectively reduced；It is another
Aspect, flash steam, to superheated steam cools down out from evaporator 1, reduce suction temperature by two-step throttle component 8, thus
Reduce the load of compressor 3 and delivery temperature；In addition, the formation in flash evaporation 4 with flash steam further increases degree of supercooling, effectively
Leaving air temp is reduced, refrigeration effect is reinforced.
The control method of air conditioner refrigerating high temperature-proof protection as shown in Figure 2 the following steps are included:
S1: air conditioner refrigerating booting；
S2: air-conditioning indoor fan is run according to the refrigeration mode of setting, outdoor fan starting, and compressor 3, which is powered, to be run；
S3: detection arbitrary continuation t1Outdoor coil temperature T in timew, and with the first preset temperature T1It is compared, wherein
t1For 10s, the first preset temperature T1It is 60 DEG C, if meeting Tw>=60 DEG C, then follow the steps S4；Otherwise, S2 is returned to step；
S4: solenoid valve 5 is opened, and the conducting of 4 tracheae of flash evaporation and the liquid storage device tonifying Qi to compressor 3 persistently detect and record t2
Every t in time3The outdoor coil pipe used T of timew, wherein t2For 90s, t3For 10s, Δ T is detected in continuous time 90sw=Tw1-
Twj, wherein Tw1For the outdoor coil temperature that first interval is in 10s, TwjIt is jth interval i.e. in t2Time it is outdoor coil pipe used
Temperature, j=t2/t3=9, then Δ Tw=Tw1-Tw9With the second preset temperature T2It is compared；Or by Tw9With third preset temperature T3
It is compared, wherein Tw1For the outdoor coil temperature at the first interval, Tw9It is default for the outdoor coil temperature at the 9th interval, second
Temperature T2It is 1 DEG C, third preset temperature T3It is 59 DEG C；
S5: if Δ Tw1 DEG C of < or Tw959 DEG C of >, then follow the steps S6；Otherwise, step S10 is executed；
S6: judging whether indoor fan is minimum wind file, if minimum windscreen, executes step S7, no to then follow the steps S8；
S7: keeping solenoid valve 5 to open, and indoor fan is run by deep low gear wind, and outdoor fan runs well, and compressor 3 powers off
It shuts down, and executes step S12；
S8: indoor fan reduces by one grade of operation, and outdoor fan runs well, and 3 normal power supply of compressor, compressor 3 continues
Run t4Outdoor coil temperature T is detected after timew, wherein t4For 60s；
S9: by the outdoor coil temperature T of step S8wWith the 4th preset temperature T4It is compared, wherein the 4th preset temperature
T4It is 60 DEG C, if Tw>=60 DEG C, then S6 is returned to step, it is no to then follow the steps S10；
S10: solenoid valve 5 is kept to open, indoor fan, outdoor fan and compressor 3 are executed according to previous movement, and are executed
In next step；
S11: detection arbitrary continuation time t5Interior outdoor coil temperature Tw, and with the 5th preset temperature T5It is compared,
In, t5For 10s, the 5th preset temperature T5It is 55 DEG C, if TwIt≤55 DEG C, executes step S13 and otherwise returns to step S10；
S12: detection arbitrary continuation time t5Interior outdoor coil temperature Tw, and with the 5th preset temperature T5It is compared,
In, t5For 10s, the 5th preset temperature T5It is 55 DEG C, if TwIt≤55 DEG C, executes step S13 and otherwise returns to step S7；
S13: solenoid valve 5 is closed, and returns to step S2.
By using the control method that above-mentioned air conditioner refrigerating high temperature-proof is protected, make air-conditioner set can compared under bad working environments
It operates normally, is adjusted by the on-off and indoor fan windscreen of flash evaporation and is depressured and compresses to air-conditioner set to reach
The effect of machine ontology cooling, it is therefore prevented that air-conditioning the problem of high frequent start-stop occurs reaching a certain preset value, to mention
The high service life of compressor.
Claims (7)
1. a kind of control method of air conditioner refrigerating high temperature-proof protection, the air-conditioning includes evaporator, condenser, indoor fan, room
Outer blower, compressor and the making-up air device being connected with the air inlet of compressor, the making-up air device pass through solenoid valve and pressure
The air inlet of contracting machine is connected, it is characterised in that: the control method the following steps are included:
S1: air conditioner refrigerating booting；
S2: air-conditioning indoor fan is run according to the refrigeration mode of setting, outdoor fan starting, and compressor, which is powered, to be run；
S3: detection arbitrary continuation t1Outdoor coil temperature T in timew, and with the first preset temperature T1It is compared；If meeting Tw≥
T1, then follow the steps S4；Otherwise, S2 is returned to step；
S4: solenoid valve is opened, and making-up air device conducting and the liquid storage device tonifying Qi to compressor persistently detect and record t2In time every
t3The outdoor coil pipe used T of timew, in continuous time t2Interior detection Δ Tw=Tw1-Twj, wherein Tw1For the outdoor coil pipe used of the first interval
Temperature, TwjFor the outdoor coil temperature at jth interval, j=t2/t3, and with the second preset temperature T2It is compared；Or by TwjWith
Three preset temperature T3It is compared；
S5: if Δ Tw< T2Or Twj> T3, then follow the steps S6；Otherwise, step S10 is executed；
S6: judging whether indoor fan is minimum wind file, if minimum windscreen, executes step S7, no to then follow the steps S8；
S7: keeping solenoid valve to open, and indoor fan is run by deep low gear wind, and outdoor fan runs well, and compressor power-off is shut down, and
Execute step S12；
S8: indoor fan reduces by one grade of operation, outdoor fan runs well, compressor normal power supply, compressor continuous service t4When
Between after detect outdoor coil temperature Tw；
S9: by the outdoor coil temperature T of step S8wWith the 4th preset temperature T4It is compared, if Tw≥T4, then return to step
S6, it is no to then follow the steps S10；
S10: solenoid valve is kept to open, indoor fan, outdoor fan and compressor are executed according to previous movement, and are executed next
Step；
S11: detection arbitrary continuation time t5Interior outdoor coil temperature Tw, and with the 5th preset temperature T5It is compared, if Tw≤
T5, execute step S13 and otherwise return to step S10；
S12: detection arbitrary continuation time t5Interior outdoor coil temperature Tw, and with the 5th preset temperature T5It is compared, if Tw≤
T5, execute step S13 and otherwise return to step S7；
S13: solenoid valve is closed, and returns to step S2.
2. the control method of air conditioner refrigerating high temperature-proof protection according to claim 1, it is characterised in that: the making-up air device
For flash evaporation.
3. the control method of air conditioner refrigerating high temperature-proof protection according to claim 1, it is characterised in that: in step s3, t1
For 10s, the first preset temperature T1It is 60 DEG C.
4. the control method of air conditioner refrigerating high temperature-proof protection according to claim 1, it is characterised in that: in step s 4, t2
For 90s, t3For 10s, the second preset temperature T2It is 1 DEG C, third preset temperature T3It is 59 DEG C.
5. the control method of air conditioner refrigerating high temperature-proof protection according to claim 1, it is characterised in that: in step s 8, t4
For 60s, in step s 9, the 4th preset temperature T4It is 60 DEG C.
6. the control method of air conditioner refrigerating high temperature-proof according to claim 1 protection, it is characterised in that: in step S11 and
In step S12, t5For 10s, the 5th preset temperature T5It is 55 DEG C.
7. the control method of air conditioner refrigerating high temperature-proof protection according to any one of claim 1 to 6, it is characterised in that:
The coil pipe temperature sensing package for detecting outdoor coil temperature is provided on the condenser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710684228.0A CN107560112B (en) | 2017-08-11 | 2017-08-11 | A kind of control method of air conditioner refrigerating high temperature-proof protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710684228.0A CN107560112B (en) | 2017-08-11 | 2017-08-11 | A kind of control method of air conditioner refrigerating high temperature-proof protection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107560112A CN107560112A (en) | 2018-01-09 |
| CN107560112B true CN107560112B (en) | 2019-11-08 |
Family
ID=60975363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710684228.0A Active CN107560112B (en) | 2017-08-11 | 2017-08-11 | A kind of control method of air conditioner refrigerating high temperature-proof protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107560112B (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108317688B (en) * | 2018-02-11 | 2020-06-26 | 广东美的制冷设备有限公司 | Control method and control device, storage medium and mobile air conditioner |
| CN109539493A (en) * | 2018-11-21 | 2019-03-29 | 奥克斯空调股份有限公司 | Air-conditioner outdoor unit control method, device and air conditioner |
| CN110131832B (en) * | 2019-05-10 | 2021-07-30 | 宁波奥克斯电气股份有限公司 | Control method and device for high-temperature protection of air conditioner |
| CN110779188A (en) * | 2019-11-05 | 2020-02-11 | 中国扬子集团滁州扬子空调器有限公司 | Control method for improving high-load operation performance of air conditioner refrigeration |
| CN110793156B (en) * | 2019-11-19 | 2021-12-14 | 宁波奥克斯电气股份有限公司 | Air conditioner heating over-temperature protection control method and device and air conditioner |
| CN111023410A (en) * | 2019-11-25 | 2020-04-17 | 宁波奥克斯电气股份有限公司 | High-temperature-prevention control method and system, storage medium and air conditioner |
| CN111023499A (en) * | 2019-12-18 | 2020-04-17 | 宁波奥克斯电气股份有限公司 | Air conditioner operation control method, device, equipment and storage medium |
| CN111023506A (en) * | 2019-12-20 | 2020-04-17 | 宁波奥克斯电气股份有限公司 | Method for reducing operation load of compressor and air conditioner |
| CN111365819B (en) * | 2020-03-26 | 2021-11-16 | 宁波奥克斯电气股份有限公司 | Control method and device for adjusting high-temperature refrigerating capacity of air conditioner and air conditioner |
| CN111649447A (en) * | 2020-05-18 | 2020-09-11 | 宁波奥克斯电气股份有限公司 | Control method and control system for preventing compressor from being overloaded and air conditioner |
| CN111853975A (en) * | 2020-07-27 | 2020-10-30 | 广州多乐信电器有限公司 | High-temperature-resistant control method for dehumidifier |
| CN113623816B (en) * | 2021-08-23 | 2022-10-28 | 宁波奥克斯电气股份有限公司 | Control method of air conditioner, air conditioner and computer readable storage medium |
| CN114216201B (en) * | 2021-12-02 | 2024-03-22 | 珠海格力电器股份有限公司 | Control method of fixed-frequency air conditioner and fixed-frequency air conditioner |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07332735A (en) * | 1994-06-07 | 1995-12-22 | Matsushita Electric Ind Co Ltd | Controller for air conditioner |
| JP2002349939A (en) * | 2002-05-20 | 2002-12-04 | Daikin Ind Ltd | Refrigeration unit |
| CN103398444A (en) * | 2013-07-01 | 2013-11-20 | Tcl空调器(中山)有限公司 | Air conditioner low-temperature refrigeration method and device |
| CN103411291A (en) * | 2013-08-30 | 2013-11-27 | 海信（山东）空调有限公司 | Expansion valve injection control method and system |
| CN103512153A (en) * | 2013-07-16 | 2014-01-15 | 广东美芝制冷设备有限公司 | Air-conditioning system with enthalpy increased through vapor injection and control method thereof |
| CN104879892A (en) * | 2015-05-12 | 2015-09-02 | 广东美的暖通设备有限公司 | Control method and control system for high-temperature protection of air conditioner internal unit |
-
2017
- 2017-08-11 CN CN201710684228.0A patent/CN107560112B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07332735A (en) * | 1994-06-07 | 1995-12-22 | Matsushita Electric Ind Co Ltd | Controller for air conditioner |
| JP2002349939A (en) * | 2002-05-20 | 2002-12-04 | Daikin Ind Ltd | Refrigeration unit |
| CN103398444A (en) * | 2013-07-01 | 2013-11-20 | Tcl空调器(中山)有限公司 | Air conditioner low-temperature refrigeration method and device |
| CN103512153A (en) * | 2013-07-16 | 2014-01-15 | 广东美芝制冷设备有限公司 | Air-conditioning system with enthalpy increased through vapor injection and control method thereof |
| CN103411291A (en) * | 2013-08-30 | 2013-11-27 | 海信（山东）空调有限公司 | Expansion valve injection control method and system |
| CN104879892A (en) * | 2015-05-12 | 2015-09-02 | 广东美的暖通设备有限公司 | Control method and control system for high-temperature protection of air conditioner internal unit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107560112A (en) | 2018-01-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107560112B (en) | A kind of control method of air conditioner refrigerating high temperature-proof protection | |
| CN105627524B (en) | Air conditioner anti-freeze control method and air conditioner | |
| CN101688703B (en) | Air conditioning systems and methods having free-cooling pump-protection sequences | |
| JP6156528B1 (en) | Refrigeration equipment | |
| US11378316B2 (en) | Diagnostic mode of operation to detect refrigerant leaks in a refrigeration circuit | |
| CN110895023B (en) | Air conditioner refrigerant leakage detection method and air conditioner | |
| CN110425112B (en) | Compressor liquid impact prevention air conditioner and compressor liquid impact prevention control method | |
| CN107388490B (en) | Air conditioner operation control method | |
| CN107228522B (en) | The control method of wind cooling refrigerator | |
| CN110486917B (en) | Operation control device and method, air conditioner and computer readable storage medium | |
| CN101611275A (en) | Be used to control the method and system of air-conditioning system | |
| CN109916106A (en) | A kind of heat pump air conditioner unit that can control lubricating oil temperature and its control method | |
| CN109297148B (en) | Heat pump unit, its cooling activation low-voltage variation method, computer equipment and storage medium | |
| CN104457048A (en) | Air conditioning refrigeration system and control method | |
| WO2020129380A1 (en) | Refrigeration device for containers | |
| CN106369719A (en) | Heat pump system, control method of heat pump system and air conditioner | |
| CN113339883A (en) | Air conditioner for preventing refrigerant leakage and control method thereof | |
| CN114110920A (en) | Control method of air conditioner and air conditioner | |
| CN106642922A (en) | Refrigeration control method for refrigerator and refrigerator | |
| CN107499492B (en) | The control method of water cooler | |
| CN107477795A (en) | Combustible refrigerant air-conditioning and its control method | |
| CN106196761B (en) | Cooling cycle system and its control method | |
| CN108050585A (en) | Air-conditioning and its control method | |
| WO2019093210A1 (en) | Refrigerating and air-conditioning apparatus | |
| US10408513B2 (en) | Oil line control system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |