CN107560112A - 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
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- CN107560112A CN107560112A CN201710684228.0A CN201710684228A CN107560112A CN 107560112 A CN107560112 A CN 107560112A CN 201710684228 A CN201710684228 A CN 201710684228A CN 107560112 A CN107560112 A CN 107560112A
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- temperature
- compressor
- control method
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- air conditioner
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Abstract
The present invention relates to a kind of control method of air conditioner refrigerating high temperature-proof protection; the control method protected by using air conditioner refrigerating high temperature-proof; make air-conditioner set being capable of normal operation compared with bad working environments; it is adjusted by the break-make and indoor fan windscreen of flash evaporation to reach the effect to 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, so as 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 technology
A kind of household electrical appliance that air-conditioning is adjusted as indoor temperature, are increasingly liked by people.At present, in order to protect
Compressor, avoid compressor from being operated for a long time in hot environment, and make coil burnout and pipeline breaking, in cooling mode,
Being typically employed on condenser sets coil pipe temperature-sensitive bag to be protected, so as to prevent compressor high temperature operation, specific control method
It is as follows：Under refrigeration mode, a period of time inner shield outdoor coil temperature detection after compressor start, machine to be compressed runs one section
Outdoor coil temperature is detected again after time, if detecting, outdoor coil temperature continues the N seconds all higher than some setting threshold values
Temperature T, then cooler compressor is out of service, does not report failure；If outdoor coil temperature continues the M seconds and is less than setting threshold temperature T,
Then cooler compressor, which is powered, runs.Problems be present using above-mentioned control method：Easily cause the frequent start-stop of compressor,
Compressor whole service life can so be shortened；In addition, cooler compressor was required for one section of guard time after stopping every time
Could be normally-open, if short time inner compressor frequent start-stop, can cause indoor cold off and on, client's refrigeration
Experience is poor.
Therefore, it is necessary to which the control method protected to air-conditioning high temperature-proof under existing refrigeration mode is improved further.
The content 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.
Technical scheme is used by the present invention solves above-mentioned technical problem：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 magnetic valve with the air inlet of compressor, it is characterised in that：The control
Method processed comprises the following steps：
S1：Air conditioner refrigerating is started shooting；
S2：Air-conditioning indoor fan is run according to the refrigeration mode of setting, and outdoor fan starts, and compressor, which is powered, to be run；
S3：Detect arbitrary continuation t1Outdoor coil temperature T in timew, and with the first preset temperature T1It is compared；It is if full
Sufficient Tw≥T1, then step S4 is performed；Otherwise, return and perform step S2；
S4：Magnetic valve is opened, and making-up air device turns on and to the reservoir tonifying Qi of compressor, persistently detects and records 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 the 3rd preset temperature T3It is compared；
S5：If Δ Tw＜ T2Or Twj＞ T3, then step S6 is performed；Otherwise, step S10 is performed；
S6：Judge whether indoor fan is minimum wind shelves, if minimum windscreen, perform step S7, otherwise perform step S8；
S7：Magnetic valve is kept to open, indoor fan is run by deep low gear wind, and outdoor fan runs well, and compressor power-off stops
Machine, and perform 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 TwWith the 4th preset temperature T4It is compared, if Tw≥T4, then return and perform step S6, otherwise perform step
S10；
S10：Magnetic valve is kept to open, indoor fan, outdoor fan and compressor are according to previous action executing, and under performing
One step；
S11：Detect arbitrary continuation time t5Interior outdoor coil temperature Tw, and with the 5th preset temperature T5It is compared, if
Tw≤T5, step S13 is performed, otherwise, returns and performs step S10；
S12：Detect arbitrary continuation time t5Interior outdoor coil temperature Tw, and with the 5th preset temperature T5It is compared, if
Tw≤T5, step S13 is performed, otherwise, returns and performs step S7；
S13：Closed electromagnetic valve, and return and perform step S2.
Preferably, the making-up air device is flash evaporation.
Preferably, in step s3, t1For 10s, the first preset temperature T1For 60 DEG C.
Preferably, in step s 4, t2For 90s, t3For 10s, the second preset temperature T2For 1 DEG C, the 3rd preset temperature T3For
59℃。
It is further preferred that in step s 8, t4For 60s, in step s 9, the 4th preset temperature T4For 60 DEG C.
Preferably, in step S11 and step S12, t5For 10s, the 5th preset temperature T5For 55 DEG C.
In order to preferably detect outdoor coil temperature, it is preferable that be provided with the condenser outdoor coil pipe used for detecting
The coil pipe temperature-sensitive bag of temperature.
Compared with prior art, the advantage of the invention is that：The control method protected by using air conditioner refrigerating high temperature-proof,
Make air-conditioner set compared with bad working environments can normal operation, be adjusted by the break-make and indoor fan windscreen of flash evaporation
To reach the effect to air-conditioner set decompression 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, so as to improve the service life of compressor.
Brief description of the drawings
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.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing embodiment.
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, it is provided with condenser 2 outdoor coil pipe used for detecting
The coil pipe temperature-sensitive bag of temperature, making-up air device are connected by magnetic valve 5 with the air inlet 31 of compressor 3, and the making-up air device is sudden strain of a muscle
Device 4 is sent out, wherein, flash evaporation 4 includes the first port 41 being connected with one end of evaporator 1, the phase of air inlet 31 with compressor 3
The gaseous phase outlet 43 of connection and the second port 42 being connected with condenser 2, first port 41 and the evaporator 1 of flash evaporation 4
Between be arranged in series two-step throttle part 6, be arranged in series one-level between the second port 42 and condenser device 2 of flash evaporation 4
Throttle part 7, it 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 magnetic valve 5 and two
Level throttle part 8, and be arranged in parallel with evaporator 1.
In the present embodiment, magnetic valve 5 opens the principle that tonifying Qi is carried out to compressor 3：Refrigerant passes through one-level throttle part 7
Afterwards, flash steam is formed in flash evaporation 4, flash steam 4 and the superheated steam from evaporator 1 out carry out the latter same entrance that cools
In compressor 3, so on the one hand, with the opening of magnetic valve 5, gas bypass is formed, effectively reduces the lateral pressure of condenser 2；It is another
Aspect, flash steam cool by two-step throttle part 8 to coming out superheated steam from evaporator 1, reduce suction temperature, so as to
Reduction compressor 3 loads and delivery temperature；In addition, as the formation of flash steam further increases degree of supercooling in flash evaporation 4, effectively
Leaving air temp is reduced, strengthens refrigeration.
The control method of air conditioner refrigerating high temperature-proof protection as shown in Figure 2 comprises the following steps：
S1：Air conditioner refrigerating is started shooting；
S2：Air-conditioning indoor fan is run according to the refrigeration mode of setting, and outdoor fan starts, and compressor 3, which is powered, to be run；
S3：Detect arbitrary continuation t1Outdoor coil temperature T in timew, and with the first preset temperature T1It is compared, wherein,
t1For 10s, the first preset temperature T1For 60 DEG C, if meeting Tw>=60 DEG C, then perform step S4；Otherwise, return and perform step S2；
S4：Magnetic valve 5 is opened, and the tracheae of flash evaporation 4 turns on and to the reservoir tonifying Qi of compressor 3, persistently detects and records 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, Tw1It is the outdoor coil temperature in 10s for first interval, TwjIt is that jth interval is 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 the 3rd 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 T2For 1 DEG C, the 3rd preset temperature T3For 59 DEG C；
S5：If Δ Tw1 DEG C of ＜ or Tw959 DEG C of ＞, then perform step S6；Otherwise, step S10 is performed；
S6：Judge whether indoor fan is minimum wind shelves, if minimum windscreen, perform step S7, otherwise perform step S8；
S7：Magnetic valve 5 is kept to open, indoor fan is run by deep low gear wind, and outdoor fan runs well, and compressor 3 powers off
Shut down, and perform step S12；
S8：Indoor fan reduces by one grade of operation, and outdoor fan runs well, and the normal power supply of compressor 3, compressor 3 continues
Run t4Outdoor coil temperature T is detected after timew, wherein, t4For 60s；
S9：By TwWith the 4th preset temperature T4It is compared, wherein, the 4th preset temperature T4For 60 DEG C, if Tw>=60 DEG C,
Then return and perform step S6, otherwise perform step S10；
S10：Magnetic valve 5 is kept to open, indoor fan, outdoor fan and compressor 3 perform according to previous action executing
In next step；
S11：Detect arbitrary continuation time t5Interior outdoor coil temperature Tw, and with the 5th preset temperature T5It is compared, its
In, t5For 10s, the 5th preset temperature T5For 55 DEG C, if Tw≤ 55 DEG C, step S13 is performed, otherwise, returns and performs step S10；
S12：Detect arbitrary continuation time t5Interior outdoor coil temperature Tw, and with the 5th preset temperature T5It is compared, its
In, t5For 10s, the 5th preset temperature T5For 55 DEG C, if Tw≤ 55 DEG C, step S13 is performed, otherwise, returns and performs step S7；
S13：Magnetic valve 5 is closed, and is returned and performed step S2.
The control method protected by using above-mentioned air conditioner refrigerating high temperature-proof, make air-conditioner set can compared with bad working environments
Normal operation, it is adjusted by the break-make and indoor fan windscreen of flash evaporation and is depressured and compresses to air-conditioner set to reach
The effect of machine body cooling, it is therefore prevented that air-conditioning the problem of high frequent start-stop occurs reaching a certain preset value, so as to carry
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 include evaporator, condenser, indoor fan, room
Outer blower fan, compressor and the making-up air device being connected with the air inlet of compressor, the making-up air device pass through magnetic valve and pressure
The air inlet of contracting machine is connected, it is characterised in that：The control method comprises the following steps：
S1：Air conditioner refrigerating is started shooting；
S2：Air-conditioning indoor fan is run according to the refrigeration mode of setting, and outdoor fan starts, and compressor, which is powered, to be run；
S3：Detect arbitrary continuation t1Outdoor coil temperature T in timew, and with the first preset temperature T1It is compared；If meet Tw≥
T1, then step S4 is performed；Otherwise, return and perform step S2；
S4：Magnetic valve is opened, and making-up air device turns on and to the reservoir tonifying Qi of compressor, persistently detects and records 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 step S6 is performed；Otherwise, step S10 is performed；
S6：Judge whether indoor fan is minimum wind shelves, if minimum windscreen, perform step S7, otherwise perform step S8；
S7：Magnetic valve is kept to open, indoor fan is run by deep low gear wind, and outdoor fan runs well, and compressor power-off is shut down, and
Perform 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 detection outdoor coil temperature Tw；
S9：By TwWith the 4th preset temperature T4It is compared, if Tw≥T4, then return and perform step S6, otherwise perform step S10；
S10：Magnetic valve is kept to open, indoor fan, outdoor fan and compressor perform next according to previous action executing
Step；
S11：Detect arbitrary continuation time t5Interior outdoor coil temperature Tw, and with the 5th preset temperature T5It is compared, if Tw≤
T5, step S13 is performed, otherwise, returns and performs step S10；
S12：Detect arbitrary continuation time t5Interior outdoor coil temperature Tw, and with the 5th preset temperature T5It is compared, if Tw≤
T5, step S13 is performed, otherwise, returns and performs step S7；
S13：Closed electromagnetic valve, and return and perform 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 T1For 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 T2For 1 DEG C, the 3rd preset temperature T3For 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 T4For 60 DEG C.
6. the control method of air conditioner refrigerating high temperature-proof protection according to claim 1, it is characterised in that：In step S11 and
In step S12, t5For 10s, the 5th preset temperature T5For 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-sensitive bag for detecting outdoor coil temperature is provided with the condenser.
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108317688A (en) * | 2018-02-11 | 2018-07-24 | 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 |
| CN110131832A (en) * | 2019-05-10 | 2019-08-16 | 宁波奥克斯电气股份有限公司 | A kind of control method and device of air conditioner high temperature-proof protection |
| 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 |
| CN110793156A (en) * | 2019-11-19 | 2020-02-14 | 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 |
| 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 |
| 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 |
| 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 |
| CN111365819A (en) * | 2020-03-26 | 2020-07-03 | 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 |
| CN113623816A (en) * | 2021-08-23 | 2021-11-09 | 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 |
| CN114216201A (en) * | 2021-12-02 | 2022-03-22 | 珠海格力电器股份有限公司 | Control method of fixed-frequency air conditioner and fixed-frequency air conditioner |
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| 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 |
| CN108317688A (en) * | 2018-02-11 | 2018-07-24 | 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 |
| CN110131832A (en) * | 2019-05-10 | 2019-08-16 | 宁波奥克斯电气股份有限公司 | A kind of control method and device of air conditioner high temperature-proof protection |
| 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 |
| CN110793156A (en) * | 2019-11-19 | 2020-02-14 | 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 |
| 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 |
| CN111365819A (en) * | 2020-03-26 | 2020-07-03 | 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 |
| CN113623816A (en) * | 2021-08-23 | 2021-11-09 | 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 |
| 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 |
| CN114216201A (en) * | 2021-12-02 | 2022-03-22 | 珠海格力电器股份有限公司 | Control method of fixed-frequency air conditioner and fixed-frequency air conditioner |
| 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 |
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