CN103499135A - Air conditioning compressor shutdown control method - Google Patents
Air conditioning compressor shutdown control method Download PDFInfo
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- CN103499135A CN103499135A CN201310428887.XA CN201310428887A CN103499135A CN 103499135 A CN103499135 A CN 103499135A CN 201310428887 A CN201310428887 A CN 201310428887A CN 103499135 A CN103499135 A CN 103499135A
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Abstract
The invention discloses an air conditioning compressor shutdown control method. An air conditioning compressor is a frequency-variation compressor. The control method includes the following steps that firstly, after an air conditioner is booted and operates, a shutdown order is received; secondly, whether the time that the frequency-variation compressor costs in constant operation at a frequency lower than a first set frequency is larger than or equal to first set time or not is judged by the air conditioner at the same time; if yes, the operation frequency of the frequency-variation compressor is lifted to a second set frequency and the frequency-variation compressor instantly stops when the compressor operates at the second set frequency and reaches second set time; or the frequency of the frequency-variation compressor gradually increases from the first set frequency and the compressor instantly stops at a third set frequency. If not, the frequency-vibration compressor instantly stops. With the technical scheme, by means of the air conditioning compressor shutdown control method, oil starvation time when the compressor is booted to operate is shortened, reliability of a system is improved, the efficiency of a heat exchanger is improved and the service life of the compressor is prolonged.
Description
Technical field
The invention belongs to the technical field of the apparatus of air conditioning, relate to the control technology of transducer air conditioning; More particularly, the present invention relates to a kind of compressor of air conditioner and shut down control method.
Background technology
At present, transducer air conditioning is more and more wider by the frequency ranges of operation of compressor, and low-limit frequency is more and more lower.
In prior art, cooler compressor directly stops compressor when shutdown, and the compressor oil moved can stop circulation, and compressor oil easily is deposited on place, system pipes bend position, the easy oil starvation of compressor while again starting shooting.
Especially when the compressor shutdown of low-frequency operation, the oil that remains in place, the curved position of two pipe arrangements is more easily assembled, and can not accomplish to get back to as much as possible the compressor crankcase place.Like this, the oil starvation time lengthening while making compressor start, affect the reliability of system, reduces efficiency of heat exchanger and service life.
Summary of the invention
The invention provides a kind of compressor of air conditioner and shut down control method, its objective is the oil starvation time while shortening the compressor start operation.
To achieve these goals, the technical scheme that the present invention takes is:
Compressor of air conditioner of the present invention is shut down control method, and described compressor of air conditioner is frequency-changeable compressor, and described control method comprises the following steps:
1) receive halt instruction after air-conditioning start operation;
2) now, air-conditioning judges whether frequency-changeable compressor is more than or equal to the first setting-up time T1 in the time lower than the first setpoint frequency f1 operation continuously;
If allow frequency-changeable compressor promote running frequency to the second setpoint frequency f2, and, when the second setpoint frequency f2 operation reaches the second setting-up time T2, make the frequency-changeable compressor hard stop; Or allow frequency-changeable compressor from the first setpoint frequency f1 raising frequency gradually, while rising to the 3rd setpoint frequency f3, make the frequency-changeable compressor hard stop;
If not, make the frequency-changeable compressor hard stop.
Described the first setpoint frequency f1 is less than or equal to 35 hertz.
Described the first setting-up time T1 is more than or equal to 10 minutes.
Described the second setpoint frequency f2 is greater than 40 hertz and be less than or equal to 80 hertz.
Described the second setting-up time T2 is greater than 0.5 minute and is less than or equal to 5 minutes.
Described the 3rd setpoint frequency f3 is greater than 40 hertz and be less than or equal to 80 hertz.
The present invention adopts technique scheme; start shooting after operation to meet while receiving halt instruction under the condition of setting by air-conditioning and promote the frequency-changeable compressor running frequency; there is effective minimizing compressor oil and easily be deposited on place, system pipes bend position; the oil starvation time while shortening the compressor start operation; improve system reliability; improve heat exchanger efficiency, extend the compressor advantage in service life.
The accompanying drawing explanation
The control procedure schematic diagram that Fig. 1 is embodiments of the invention one;
The control procedure schematic diagram that Fig. 2 is embodiments of the invention two.
The specific embodiment
Below contrast accompanying drawing, the description by embodiment, be described in further detail the specific embodiment of the present invention, to help those skilled in the art, inventive concept of the present invention, technical scheme had to more complete, accurate and deep understanding.
Technical scheme of the present invention is that compressor of air conditioner is shut down control method, and described compressor of air conditioner is frequency-changeable compressor.This control method is particularly useful for the transducer air conditioning system of frequent low frequency running.
In order to solve the problem that prior art exists and to overcome its defect, the goal of the invention of the oil starvation time while realizing shortening the compressor start operation, the technical scheme that the present invention takes is:
Described frequency-changeable compressor after operation a period of time, is being received halt instruction lower than certain frequency, first promotes running frequency and continues operation, and then shut down.
The present invention, by when compressor shutdown, first improves the compressor operating frequency, gives curved position place's compressor oil larger impact, can be by oily refunds crankcase place.The compressor oil starvation time in the time of can reducing the worst cold case startup.
Embodiment mono-, as shown in Figure 1:
1) receive halt instruction after air-conditioning start operation;
2) now, air-conditioning judges whether frequency-changeable compressor is more than or equal to the first setting-up time T1 in the time lower than the first setpoint frequency f1 operation continuously;
If allow frequency-changeable compressor promote running frequency to the second setpoint frequency f2, and, when the second setpoint frequency f2 operation reaches the second setting-up time T2, make the frequency-changeable compressor hard stop;
If not, make the frequency-changeable compressor hard stop.
Embodiment bis-, as shown in Figure 2:
1) receive halt instruction after air-conditioning start operation;
2) now, air-conditioning judges whether frequency-changeable compressor is more than or equal to the first setting-up time T1 in the time lower than the first setpoint frequency f1 operation continuously;
If, allow frequency-changeable compressor from the first setpoint frequency f1 raising frequency gradually, while rising to the 3rd setpoint frequency f3, make the frequency-changeable compressor hard stop;
If not, make the frequency-changeable compressor hard stop.
Wherein, the second setpoint frequency f2 and the 3rd setpoint frequency f3 all are greater than the first setpoint frequency f1;
In above-described embodiment one and embodiment bis-, if after frequency-changeable compressor starting, with higher than the first setpoint frequency f1 operation, and the time of operation be more than or equal to the first setting-up time T1, after then receiving the halt instruction that remote controller sends, compressor is directly shut down.Do not need to make raising frequency oil return action.
If frequency-changeable compressor, lower than setpoint frequency f1 operation, does not surpass the first setting-up time T1, after receiving the halt instruction of remote controller transmission, compressor is also directly shut down.Equally, do not need to make raising frequency oil return action.
Only have frequency-changeable compressor moving lower than the first setpoint frequency f1; and surpass low frequency the first setting-up time T1 running time; just make raising frequency oil return action; after receiving the halt instruction of remote controller transmission; compressor continues operation; and frequency rises, oil starvation while avoiding compressor start, and then stop compressor.
As depicted in figs. 1 and 2, the span of above-described operational factor is:
F1≤35 hertz, T1 >=10 minute, 40 hertz≤f2≤80 hertz, 0.5 minute≤T2≤5 minutes, 40 hertz≤f3≤80 hertz.
Compressor of air conditioner is set by the way and shuts down control method; there is effective minimizing compressor oil and easily be deposited on place, system pipes bend position, the oil starvation time while shortening the compressor start operation, improve system reliability; improve heat exchanger efficiency, extend the compressor advantage in service life.
As depicted in figs. 1 and 2, at described raising frequency, in the time, the frequency of compressor is at the uniform velocity rising.The stable working of the compressor before guaranteeing to shut down, can not make frequency that excessive fluctuation occurs.
The above is exemplarily described the present invention by reference to the accompanying drawings.Obviously; specific implementation of the present invention is not subject to the restrictions described above; as long as adopted the improvement of the various unsubstantialities that method of the present invention design and technical scheme carry out; or without improving, design of the present invention and technical scheme are directly applied to other occasion, all within protection scope of the present invention.
Claims (6)
1. a compressor of air conditioner is shut down control method, and described compressor of air conditioner is frequency-changeable compressor, it is characterized in that: described control method comprises the following steps:
1) receive halt instruction after air-conditioning start operation;
2) now, air-conditioning judges whether frequency-changeable compressor is more than or equal to the first setting-up time (T1) in the time lower than the first setpoint frequency (f1) operation continuously;
If allow frequency-changeable compressor promote running frequency to the second setpoint frequency (f2), and, when the second setpoint frequency (f2) operation reaches the second setting-up time (T2), make the frequency-changeable compressor hard stop; Or allow frequency-changeable compressor from the first setpoint frequency (f1) raising frequency gradually, while rising to the 3rd setpoint frequency (f3), make the frequency-changeable compressor hard stop;
If not, make the frequency-changeable compressor hard stop.
2. shut down control method according to compressor of air conditioner claimed in claim 1, it is characterized in that: described the first setpoint frequency (f1) is less than or equal to 35 hertz.
3. shut down control method according to compressor of air conditioner claimed in claim 1, it is characterized in that: described the first setting-up time (T1) is more than or equal to 10 minutes.
4. shut down control method according to compressor of air conditioner claimed in claim 1, it is characterized in that: described the second setpoint frequency (f2) is greater than 40 hertz and be less than or equal to 80 hertz.
5. shut down control method according to compressor of air conditioner claimed in claim 1, it is characterized in that: described the second setting-up time (T2) is greater than 0.5 minute and is less than or equal to 5 minutes.
6. shut down control method according to compressor of air conditioner claimed in claim 1, it is characterized in that: described the 3rd setpoint frequency (f3) is greater than 40 hertz and be less than or equal to 80 hertz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310428887.XA CN103499135B (en) | 2013-09-18 | 2013-09-18 | A kind of compressor of air conditioner halt control method |
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| CN201310428887.XA CN103499135B (en) | 2013-09-18 | 2013-09-18 | A kind of compressor of air conditioner halt control method |
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| CN103499135A true CN103499135A (en) | 2014-01-08 |
| CN103499135B CN103499135B (en) | 2016-06-22 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104061145A (en) * | 2014-06-16 | 2014-09-24 | 邯郸美的制冷设备有限公司 | Frequency conversion compressor control method and device, as well as frequency conversion dehumidifier and frequency conversion window machine |
| CN105444328A (en) * | 2014-07-21 | 2016-03-30 | 青岛海尔空调器有限总公司 | Air conditioner shut down control method |
| CN105571084A (en) * | 2016-02-29 | 2016-05-11 | 广东美的制冷设备有限公司 | Water blowing prevention control method for air conditioner and air conditioner |
| CN106524433A (en) * | 2016-12-08 | 2017-03-22 | 青岛海尔空调器有限总公司 | Fixed-frequency air conditioner control method |
| CN108007027A (en) * | 2017-11-07 | 2018-05-08 | 珠海格力电器股份有限公司 | The halt control method and device of refrigeration system |
| CN108592239A (en) * | 2018-05-16 | 2018-09-28 | 珠海格力电器股份有限公司 | The method of adjustment and device of compressor of air conditioner running frequency |
| CN108844188A (en) * | 2018-06-26 | 2018-11-20 | 珠海格力电器股份有限公司 | A kind of transducer air conditioning and its control method, control device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104061145A (en) * | 2014-06-16 | 2014-09-24 | 邯郸美的制冷设备有限公司 | Frequency conversion compressor control method and device, as well as frequency conversion dehumidifier and frequency conversion window machine |
| CN105444328A (en) * | 2014-07-21 | 2016-03-30 | 青岛海尔空调器有限总公司 | Air conditioner shut down control method |
| CN105444328B (en) * | 2014-07-21 | 2019-01-15 | 青岛海尔空调器有限总公司 | Control the method that air conditioner is shut down |
| CN105571084A (en) * | 2016-02-29 | 2016-05-11 | 广东美的制冷设备有限公司 | Water blowing prevention control method for air conditioner and air conditioner |
| CN106524433A (en) * | 2016-12-08 | 2017-03-22 | 青岛海尔空调器有限总公司 | Fixed-frequency air conditioner control method |
| CN106524433B (en) * | 2016-12-08 | 2019-11-05 | 青岛海尔空调器有限总公司 | Fixed frequency air conditioner control method |
| CN108007027A (en) * | 2017-11-07 | 2018-05-08 | 珠海格力电器股份有限公司 | The halt control method and device of refrigeration system |
| CN108592239A (en) * | 2018-05-16 | 2018-09-28 | 珠海格力电器股份有限公司 | The method of adjustment and device of compressor of air conditioner running frequency |
| CN108592239B (en) * | 2018-05-16 | 2020-06-16 | 珠海格力电器股份有限公司 | Method and device for adjusting running frequency of air-conditioning compressor |
| CN108844188A (en) * | 2018-06-26 | 2018-11-20 | 珠海格力电器股份有限公司 | A kind of transducer air conditioning and its control method, control device |
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| CN103499135B (en) | 2016-06-22 |
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Effective date of registration: 20170227 Address after: 241000 Hengshan Road economic and Technological Development Zone, Anhui, No. 47, Patentee after: WUHU MEIZHI AIR CONDITIONING EQUIPMENT CO., LTD. Address before: 241000 Anhui city of Wuhu Province Silver Lake Economic and Technological Development Zone No. 28 North Road Patentee before: Wuhu Refrigeration Equipment Co., Ltd. of Guangdong Midea Group |