CN100541033C - Air conditioner outdoor machine defrosting operation controlling method - Google Patents
Air conditioner outdoor machine defrosting operation controlling method Download PDFInfo
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- CN100541033C CN100541033C CNB2005100142361A CN200510014236A CN100541033C CN 100541033 C CN100541033 C CN 100541033C CN B2005100142361 A CNB2005100142361 A CN B2005100142361A CN 200510014236 A CN200510014236 A CN 200510014236A CN 100541033 C CN100541033 C CN 100541033C
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Abstract
A kind of air conditioner outdoor machine defrosting operation controlling method includes with the next stage phase I: judge whether to be defrost process; Second stage: stop and the operation intermittent time when defrosting according to actual type operating load capacity decision outdoor fan motor.In the phase I judges whether to defrost process, if the process of removing then turns to cross valve, and enter next stage, if not defrost process is then returned the phase I.Described cross valve is turned to is the state that state shift closes of opening that cross valve is in the state of heating.Second stage includes: the process of judging the outdoor fan motor dwell time; Stop the process of outdoor fan motor running; Outdoor fan motor is with the process of 1 minute time interval intermittent running.The present invention moves outdoor fan motor in the defrosting time section at interval, and condenser surface ice melted when motor stopped, and blows away the globule after the condenser frost melts when motor rotates, and makes the off-premises station defrosting thoroughly, guarantees that normal heat exchange of air-conditioner and air-conditioning run well.
Description
Technical field
The present invention relates to a kind of air-conditioner.Particularly relate to a kind of off-premises station that makes and defrost thoroughly the air conditioner outdoor machine defrosting operation controlling method that condenser is not-easy-to-freeze.
Background technology
Usually air-conditioning is made up of heater, refrigeration machine, clarifier etc., can or purify for room air refrigeration or heating, for the user creates suitable indoor environment.
If classification substantially, air-conditioning can be divided into separation type air-conditioning and integral air conditioner.Separation type and one-piece typely have an identical function.The separation type air-conditioning is provided with the indoor set with cooling/heat release in the indoor, the off-premises station with heat release/cooling and compressor is set in the outside, and links off-premises station and indoor set with the refrigerant pipe.Be arranged on and be provided with condenser (outdoor heat converter) and compressor in the outdoor off-premises station, be arranged in the indoor indoor set, be provided with evaporimeter (indoor heat converter).
As shown in Figure 1, for the separation type air-conditioning, off-premises station includes the front of formation housing and header board 1, fan 2, fan electromotor 3, condenser 4, the back that constitutes housing and the back plate 5 of both sides of end face substantially, constitutes base plate 6, compressor 7 and the refrigerant communication port 8 of housing bottom surface.
As shown in Figure 2, when air-conditioning carries out cooling operation, refrigerant flow to be by compressor 7 to condenser 4, flow to evaporimeter 10 by condenser 4 by choke valve 9 again, return compressor 7 again from evaporimeter 10.When heating running, it is the flow direction opposite with refrigeration that refrigerant flows to, and, to evaporimeter 10, flows to condenser 4 by evaporimeter 10 by choke valve 9 by compressor 7 more that is, turns back to compressor 10 again from condenser 4.
In the environment that temperature is low, air-conditioning will produce frosting on the condenser 4 in the running in the winter time, so after air-conditioning is turning round certain hour, all will defrost winter.During defrosting, carry out and the rightabout operation of heating operation, utilize the exchange of high-temperature gas and condenser, reach defrosting, the globule nature landing of thawing.Yet because cold weather and part region high humidity, be easy to cause icing, globule nature landing according to the usual conditions defrosting produces is subjected to the hydrophilic influence of fin of condenser 4, and the globule is got rid of slowly, the globule of generation is removed if can not in time will defrost before heating operation once more, the globule will continue to freeze once more, and continue to freeze on the fin of condenser 4, and will be long-pending more thick more, have a strong impact on heat exchange, influence air-conditioning and run well.Long-play may cause compressor 7 performances to reduce.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of and make the off-premises station defrosting thoroughly, the air conditioner outdoor machine defrosting operation controlling method that condenser is not-easy-to-freeze.
The technical solution adopted in the present invention is: a kind of air conditioner outdoor machine defrosting operation controlling method, include with the next stage, phase I: judge whether to be defrost process, if defrost process then turns to cross valve, promptly, cross valve is in the state that state shift closes of opening of the state of heating, and enters next stage, if not defrost process is then returned the beginning of phase I; Second stage: during according to the load capacity decision outdoor fan motor defrosting of actual type operation dwell time through and the operation intermittent time, that is, judge the process of outdoor fan motor dwell time; Stop the process of outdoor fan motor running; Outdoor fan motor is with the process of 1 minute time interval intermittent running, and the Rule of judgment of described judgement outdoor fan motor dwell time is to judge according to the refrigerating capacity of air-conditioning, when refrigerating capacity during more than or equal to 3HP, stops 5 minutes; When refrigerating capacity during, stop 3 minutes less than 3HP.
After finishing, the outdoor fan motor dwell time all enters outdoor fan motor with 1 minute time interval intermittent running, when running to the beginning that turns back to the phase I after defrosting finishes.
Air conditioner outdoor machine defrosting operation controlling method of the present invention; in the defrosting time section, stop and the operation intermittent time according to actual type operating load capacity decision outdoor fan motor; then according to time interval rule operation; condenser surface ice melted when motor stopped; when rotating, blows away by motor the globule after the condenser frost melts; glaciation once more after avoiding the globule residual makes the off-premises station defrosting thoroughly, guarantees that normal heat exchange of air-conditioner and air-conditioning run well.Long-play also causes compressor performance to reduce for a moment.
Description of drawings
Fig. 1 is the split structural representation of air-conditioner outdoor unit;
Refrigerant when Fig. 2 is operation of air conditioner flows to schematic diagram;
Fig. 3 is a control method flow chart of the present invention.
Wherein:
1: header board 2: fan
3: fan electromotor 4: condenser
5: back plate 6: base plate
7: compressor 8: the refrigerant communication port
9: choke valve 10: evaporimeter
The specific embodiment
Describe air conditioner outdoor machine defrosting operation controlling method of the present invention in detail below in conjunction with accompanying drawing.
Air conditioner outdoor machine defrosting operation controlling method, general principles is: stop and the operation intermittent time according to actual type operating load capacity decision outdoor fan motor 3, then according to time interval rule operation, condenser 4 surface ice melted when compressor 7 stopped, and blew away the globule after condenser 4 frosts melt when outdoor fan motor 3 rotates.Promptly, judgement stops 3～7 fens to control outdoor fan motor 3 according to the air-conditioning capacity in the defrosting time section, afterwards with 1 minute time interval intermittent running, when control outdoor fan motor 3 shuts down, condenser 4 surface ice melt, blow away the globule of condenser 4 fin surfaces when outdoor fan motor 3 rotates, avoid the globule residual after glaciation once more, influence heat exchange.
Air conditioner outdoor machine defrosting operation controlling method specifically includes with the next stage phase I: judge whether to be defrost process; Second stage: stop and the operation intermittent time when defrosting according to actual type operating load capacity decision outdoor fan motor.
More specifically as shown in Figure 3, air conditioner outdoor machine defrosting operation controlling method includes following steps,
The first step: heat running, the normal operation when this heats for air conditioner fortune; Second step: judging whether be in defrost phase this moment in the process of air-conditioner operation, if be in defrost phase then entered for the 3rd step, is not that defrost phase is returned the first step and proceeded to heat running; The 3rd step: when air conditioner is in defrost phase, cross valve is turned to, just cross valve is in the state that state shift closes of opening of the state of heating; The 4th step: judge the outdoor fan motor dwell time, the running that stops outdoor fan motor is in order to melt the condenser of off-premises station, and the Rule of judgment of judging the outdoor fan motor dwell time is to judge according to the refrigerating capacity of air-conditioning, when refrigerating capacity during, entered for the 6th step and stop 5 minutes more than or equal to 3HP; When refrigerating capacity during, entered for the 5th step and stop 3 minutes less than 3HP; The 5th step: outdoor fan motor stops 3 minutes; The 6th step: outdoor fan motor stops 5 minutes; When the 5th step or the 6th step all entered for the 7th step after finishing.The 7th step: outdoor fan motor was with 1 minute time interval intermittent running.When outdoor fan motor stops 1 minute when running, condenser surface ice melts, and when outdoor fan motor running in the time of 1 minute, blows away the globule on condenser fin surface, avoid the globule residual after glaciation once more, influence heat exchange.The 8th step: defrosting finishes to turn back to the first step.
Claims (2)
1. air conditioner outdoor machine defrosting operation controlling method, include with the next stage, phase I: judge whether to be defrost process, if defrost process then turns to cross valve, promptly, cross valve is in the state that state shift closes of opening of the state of heating, and enters next stage, if not defrost process is then returned the beginning of phase I; Second stage: dwell time and operation intermittent time during according to the load capacity decision outdoor fan motor defrosting of actual type operation, comprise, judge the process of outdoor fan motor dwell time; Stop the process of outdoor fan motor running; Outdoor fan motor is characterized in that with the process of the 1 minute time interval intermittent running Rule of judgment of described judgement outdoor fan motor dwell time is to judge according to the refrigerating capacity of air-conditioning, when refrigerating capacity during more than or equal to 3HP, stops 5 minutes; When refrigerating capacity during, stop 3 minutes less than 3HP.
2. air conditioner outdoor machine defrosting operation controlling method according to claim 1, it is characterized in that, after finishing, the outdoor fan motor dwell time all enters outdoor fan motor with 1 minute time interval intermittent running, when running to the beginning that turns back to the phase I after defrosting finishes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100142361A CN100541033C (en) | 2005-06-30 | 2005-06-30 | Air conditioner outdoor machine defrosting operation controlling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100142361A CN100541033C (en) | 2005-06-30 | 2005-06-30 | Air conditioner outdoor machine defrosting operation controlling method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1888669A CN1888669A (en) | 2007-01-03 |
| CN100541033C true CN100541033C (en) | 2009-09-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100142361A Expired - Fee Related CN100541033C (en) | 2005-06-30 | 2005-06-30 | Air conditioner outdoor machine defrosting operation controlling method |
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| CN (1) | CN100541033C (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5590195B1 (en) * | 2013-07-11 | 2014-09-17 | 株式会社富士通ゼネラル | Air conditioner |
| CN104279698A (en) * | 2014-09-28 | 2015-01-14 | 芜湖美智空调设备有限公司 | Mobile air conditioner and defrosting control method thereof |
| CN108386960B (en) * | 2018-01-22 | 2024-04-26 | 青岛海尔空调器有限总公司 | Non-stop defrosting air conditioner and non-stop defrosting method |
| CN110836470B (en) * | 2018-08-17 | 2021-07-23 | 青岛海尔空调器有限总公司 | Defrosting control method for fixed-frequency air conditioner |
| CN110836476A (en) * | 2018-08-17 | 2020-02-25 | 青岛海尔空调器有限总公司 | Defrosting control method for fixed-frequency air conditioner |
| CN110836466B (en) * | 2018-08-17 | 2021-09-24 | 青岛海尔空调器有限总公司 | Defrosting control method for fixed-frequency air conditioner |
| CN110836445B (en) * | 2018-08-17 | 2021-09-03 | 重庆海尔空调器有限公司 | Defrosting control method for fixed-frequency air conditioner |
| CN110836467B (en) * | 2018-08-17 | 2021-07-23 | 青岛海尔空调器有限总公司 | Defrosting control method for fixed-frequency air conditioner |
| CN110836477A (en) * | 2018-08-17 | 2020-02-25 | 青岛海尔空调器有限总公司 | Defrosting control method for fixed-frequency air conditioner |
| CN109708251A (en) * | 2018-11-20 | 2019-05-03 | 珠海格力电器股份有限公司 | Defrosting control method and device |
| CN110454915B (en) * | 2019-08-05 | 2021-07-20 | 广东美的制冷设备有限公司 | Air conditioning system and control method thereof |
| CN111006359A (en) * | 2019-12-23 | 2020-04-14 | 宁波奥克斯电气股份有限公司 | Control method and system for reducing frosting speed of air conditioner and air conditioner |
-
2005
- 2005-06-30 CN CNB2005100142361A patent/CN100541033C/en not_active Expired - Fee Related
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| CN1888669A (en) | 2007-01-03 |
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