CN101871684A - Defrosting control method of air conditioner - Google Patents
Defrosting control method of air conditioner Download PDFInfo
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- CN101871684A CN101871684A CN201010191738A CN201010191738A CN101871684A CN 101871684 A CN101871684 A CN 101871684A CN 201010191738 A CN201010191738 A CN 201010191738A CN 201010191738 A CN201010191738 A CN 201010191738A CN 101871684 A CN101871684 A CN 101871684A
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- defrosting
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Abstract
The invention belongs to the technical field of air conditioners, in particular to a defrosting control method of an air conditioner, which comprises the following specific steps: (1) judging whether a remote controller has the shutdown defrosting function or not during the shutdown in the heating circulating operation state; (2) if the remote controller has the shutdown defrosting function, reading memory data of an EEPROM IC, leading the remote controller to firstly close an indoor unit, detecting the temperature of a piping, setting critical temperature value A of whether to start defrosting or not, and comparing the detected temperature of the piping with the set critical temperature value; if the temperature of the piping is smaller than the critical temperature value A, then judging whether an outdoor unit needs to carry out defrosting or not, and leading the outdoor unit to run continuously and carry out the defrosting; and (3) finishing the defrosting, and leading the indoor unit and the outdoor unit to enter into the complete shutdown state. The defrosting control method can completely remove frost of the outdoor unit after the shutdown of the indoor unit by starting the shutdown defrosting function, prevent the frost from icing due to long-term retention, avoid the unnecessary waste of energy caused by a longer period of defrosting time during the next startup, ensure the normal operation of heating circulation and effectively improve the heating performance of a heat room of the air conditioner.
Description
Technical field
The invention belongs to the air-conditioner technical field, specifically is a kind of defrosting control method of air-conditioner.
Background technology
Air-conditioner is a kind of refrigeration that its inner refrigerant body is made up of compression process, condensation process, expansion process and evaporation process or recycle unit that heats of making, and its primary structure comprises compressor, condenser and the expansion valve of off-premises station, and the evaporimeter of off-premises station.During air conditioner heat-production, when carrying out heat exchange, the refrigerant body of condenser internal flow and surrounding air can accumulate in its surface because of inside and outside temperature difference makes airborne moisture, and condense into condensed water, and air-conditioner heats this condensed water of circulation time and might occur the frosting phenomenon because outdoor temperature crosses low in the winter time, when ice sheet reaches certain thickness and influences the heat exchange effect of condenser, air-conditioner generally can utilize the defrosting control program to stop thermal cycle, is about to heat circulation and changes into the effect that kind of refrigeration cycle reaches defrosting.
Flow chart as shown in Figure 1 for existing air-conditioner defrosting control, it specifically comprises following flow process:
S1: air-conditioner greenhouse running (promptly to make warm circular flow);
S2: remote controller shutdown;
S3: the pipe arrangement temperature satisfies the defrosting condition;
S4: greenhouse satisfies time conditions (for example setting more than 60 minutes) duration of runs;
S5: above-mentioned condition begins defrosting when all satisfying;
S6: defrosting finishes;
S7: greenhouse running:
S8: indoor set, off-premises station are all shut down work;
S9: program stops.
As implied above, usually in order not influence the warm ability of system, need through (time can artificially be set) after the regular hour, just defrost, continue again after shutdown or defrosting do not have fully when air-conditioner will defrost when heating the endless form running, can cause the frost of heat exchanger can not being removed thoroughly clean, like this, at the warm circulation time of start operation next time system, owing to there is frost greatly to influence the warm ability of system of air-conditioner on the heat exchanger.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art; a kind of defrosting control method of air-conditioner is provided; this defrosting control method is shut down defrost function by opening; and satisfying under the pipe arrangement temperature conditions; the frost that indoor set also can be tied off-premises station after shutting down is removed fully; prevent that frost from keeping for a long time and freeze; need spend the long period defrosting when having avoided next start and cause unnecessary energy waste; guarantee warm normally the carrying out of circulating of the system of air-conditioner when start shooting next time, also effectively improved the warm performance of system of air-conditioner greenhouse simultaneously.
In order to realize above-mentioned technical purpose, the present invention realizes by following technical scheme:
The defrosting control method of a kind of air-conditioner of the present invention, its concrete steps are:
(1) at the warm circular flow state of air-conditioner system, the memory that comprises according to EEPROM IC is shut down the data whether defrost function open and is judged whether air-conditioner has the shutdown defrost function when remote controller shuts down;
(2) if the shutdown defrost function is arranged, read the data memory of EEPROM IC, remote controller at first cuts out indoor set, in time detect the pipe arrangement temperature by the pipe arrangement temperature sensor, set the critical temperature value A whether a defrosting begins, the critical temperature value of more detected pipe arrangement temperature and setting is if the pipe arrangement temperature value is less than critical temperature value A, judge that then off-premises station is to need defrosting, off-premises station defrosts; Otherwise, do not need defrosting;
(3) when the pipe arrangement temperature satisfied the defrosting termination condition, defrosting finished, off-premises station shutdown this moment, and indoor machine of air-conditioner and off-premises station enter whole stopped status.
As the further improvement of above-mentioned technology, the scope of described critical temperature value A is: maximum is 46 degree, and minimum of a value is 25 degree.
In the present invention; when remote controller at first cuts out indoor set; indoor set is shut down processing; the blade up and down of indoor set, left and right sides blade, fan and CD-ROM drive motor all are in halted state; but the running LED of indoor set is as reminding with operation as usual, and running LED flicker is to inform the off-premises station of user's air-conditioner this moment.
Compared with prior art, the invention has the beneficial effects as follows:
(1) air-conditioner defrosting control method of the present invention specifically is the control method that defrosts after a kind of air-conditioner is shut down, when air-conditioner is shut down, judge whether to open the defrost function of off-premises station, if defrosting, at first stop indoor set, then off-premises station is defrosted, in the time of so just effectively avoiding closing simultaneously because of off-premises station and indoor set, the frost of off-premises station is fully Ex-all and continue to be retained on the off-premises station, needs the long period to defrost when having avoided next start effectively and causes unnecessary energy waste;
(2) air-conditioner of the present invention is removed the frost of being tied totally before indoor set and off-premises station dead halt, can normally make warmly when having guaranteed next start, has avoided making the greenhouse ability drop because of the off-premises station heat exchanger has frost.
Description of drawings
Fig. 1 is the flow chart of existing air-conditioner defrosting control;
Fig. 2 is the schematic flow sheet of air-conditioner defrosting control of the present invention;
Fig. 3 is an air-conditioner defrosting control method schematic diagram of the present invention.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in detail, it is to be noted that embodiments of the invention do not have the effect that limits scope of the present invention.
The defrosting control method of a kind of air-conditioner of the present invention, its concrete steps are:
(1) at the warm circular flow state of air-conditioner system, the memory that comprises according to EEPROM IC is shut down the data whether defrost function open and is judged whether air-conditioner has the shutdown defrost function when remote controller shuts down;
(2) if the shutdown defrost function is arranged, read the data memory of EEPROM IC, remote controller at first cuts out indoor set, in time detect the pipe arrangement temperature by the pipe arrangement temperature sensor, set the critical temperature value A whether a defrosting begins, the critical temperature value of more detected pipe arrangement temperature and setting is if the pipe arrangement temperature value is less than critical temperature value A, judge that then off-premises station is to need defrosting, off-premises station defrosts; Otherwise, do not need defrosting; The scope of this critical temperature value A is: maximum is 46 degree, and minimum of a value is 25 degree.
(3) when the pipe arrangement temperature satisfied the defrosting termination condition, defrosting finished, off-premises station shutdown this moment, and indoor machine of air-conditioner and off-premises station enter whole stopped status.
In the present invention; when remote controller at first cuts out indoor set; indoor set is shut down processing, and the blade up and down of indoor set, left and right sides blade, fan and CD-ROM drive motor all are in halted state, but the running LED of indoor set is as reminding with glimmering to inform the off-premises station of user's air-conditioner this moment.
Below be described in detail at air-conditioner of the present invention defrosting control software flow pattern and hardware elementary diagram:
As shown in Figure 2, air-conditioner defrosting flow process specifically comprises:
S10: air-conditioner greenhouse running (promptly to make warm circular flow);
S20: the remote controller shutdown, whether open the shutdown defrost function;
S30: open when shutting down defrost function, indoor set quits work;
S40: shut down the defrosting condition and satisfy as denying;
S50: defrosting finishes;
Also comprise
After the remote controller shutdown, need not open when shutting down defrost function;
S60: the pipe arrangement temperature satisfies the defrosting condition;
S70: greenhouse satisfies time conditions (for example setting more than 60 minutes) duration of runs;
S80: above-mentioned condition begins defrosting when all satisfying;
S90: defrosting finishes;
S100: greenhouse running:
S110: indoor set, off-premises station quit work;
S120: program stops.
The difference part of this flow chart and the described flow chart of prior art has been opened the pairing program of shutdown defrost function after just being the remote controller shutdown.
As shown in Figure 3; hardware-in-the-loop specifically comprises in the control method of air-conditioner shown in the present: pipe arrangement temperature detection sensor loop; master chip and EEPROM IC; pipe arrangement temperature detection sensor loop is carried out detected pipe arrangement temperature voltage value the A/D conversion and is sent master chip to, and master chip is shut down the defrosting routine processes.
The present invention is not limited to above-mentioned embodiment, if various changes of the present invention or modification are not broken away from the spirit and scope of the present invention, if these are changed and modification belongs within claim of the present invention and the equivalent technologies scope, then the present invention also comprises these changes and modification.
Claims (3)
1. the defrosting control method of an air-conditioner, its concrete steps are:
(1) at the warm circular flow state of air-conditioner system, the memory that comprises according to EEPROM IC is shut down the data whether defrost function open and is judged whether air-conditioner has the shutdown defrost function when remote controller shuts down;
(2) if the shutdown defrost function is arranged, read the data memory of EEPROM IC, remote controller at first cuts out indoor set, in time detect the pipe arrangement temperature by the pipe arrangement temperature sensor, set the critical temperature value A whether a defrosting begins, the critical temperature value of more detected pipe arrangement temperature and setting is if the pipe arrangement temperature value is less than critical temperature value A, judge that then off-premises station is to need defrosting, off-premises station defrosts; Otherwise, do not need defrosting;
(3) when the pipe arrangement temperature satisfied the defrosting termination condition, defrosting finished, off-premises station shutdown this moment, and indoor machine of air-conditioner and off-premises station enter whole stopped status.
2. the defrosting control method of air-conditioner according to claim 1, it is characterized in that: the scope of described critical temperature value A is: maximum is 46 degree, minimum of a value is 25 degree.
3. the defrosting control method of air-conditioner according to claim 1 and 2; it is characterized in that: when remote controller at first cuts out indoor set; indoor set is shut down processing; the blade up and down of indoor set, left and right sides blade, fan and CD-ROM drive motor all are in halted state, and the running LED of indoor set glimmers as prompting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201010191738A CN101871684A (en) | 2010-05-31 | 2010-05-31 | Defrosting control method of air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010191738A CN101871684A (en) | 2010-05-31 | 2010-05-31 | Defrosting control method of air conditioner |
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| CN101871684A true CN101871684A (en) | 2010-10-27 |
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| CN201010191738A Pending CN101871684A (en) | 2010-05-31 | 2010-05-31 | Defrosting control method of air conditioner |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102425839A (en) * | 2011-11-17 | 2012-04-25 | 美的集团有限公司 | Forced defrosting control method for air conditioner |
| CN102538126A (en) * | 2010-12-24 | 2012-07-04 | 中国扬子集团滁州扬子空调器有限公司 | Defrosting control method of heat-pump type air conditioner |
| CN103423838A (en) * | 2010-12-24 | 2013-12-04 | 中国扬子集团滁州扬子空调器有限公司 | Defrosting control method for heat-pump air conditioner |
| CN105157290A (en) * | 2014-05-26 | 2015-12-16 | 广东美的制冷设备有限公司 | Air conditioner and defrosting control method thereof |
| CN107238176A (en) * | 2017-06-13 | 2017-10-10 | 广东美的制冷设备有限公司 | The control method and air conditioner of air conditioner |
| CN108826612A (en) * | 2018-04-28 | 2018-11-16 | 四川长虹空调有限公司 | Air-conditioner defrosting four-way valve method for handover control and air-conditioning |
| CN109751714A (en) * | 2019-02-02 | 2019-05-14 | 珠海格力电器股份有限公司 | air conditioner defrosting control method and air conditioner |
| CN112082249A (en) * | 2020-08-25 | 2020-12-15 | 青岛海信移动通信技术股份有限公司 | Anti-freezing early warning method and system for air conditioner outdoor unit and server |
| CN113790512A (en) * | 2021-09-09 | 2021-12-14 | 珠海格力电器股份有限公司 | Shutdown defrosting logic control method and computer storage medium |
| CN114183880A (en) * | 2021-12-22 | 2022-03-15 | 宁波奥克斯电气股份有限公司 | Mildew-proof control method and air conditioner |
-
2010
- 2010-05-31 CN CN201010191738A patent/CN101871684A/en active Pending
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103423838B (en) * | 2010-12-24 | 2017-06-30 | 中国扬子集团滁州扬子空调器有限公司 | A kind of defrosting control method of heat pump type air conditioner |
| CN102538126A (en) * | 2010-12-24 | 2012-07-04 | 中国扬子集团滁州扬子空调器有限公司 | Defrosting control method of heat-pump type air conditioner |
| CN103423838A (en) * | 2010-12-24 | 2013-12-04 | 中国扬子集团滁州扬子空调器有限公司 | Defrosting control method for heat-pump air conditioner |
| CN102538126B (en) * | 2010-12-24 | 2014-02-26 | 中国扬子集团滁州扬子空调器有限公司 | Defrosting control method of heat-pump type air conditioner |
| CN102425839A (en) * | 2011-11-17 | 2012-04-25 | 美的集团有限公司 | Forced defrosting control method for air conditioner |
| CN102425839B (en) * | 2011-11-17 | 2016-07-06 | 美的集团股份有限公司 | A kind of pressure defrosting control method of air-conditioner |
| CN105157290A (en) * | 2014-05-26 | 2015-12-16 | 广东美的制冷设备有限公司 | Air conditioner and defrosting control method thereof |
| CN105157290B (en) * | 2014-05-26 | 2017-10-13 | 广东美的制冷设备有限公司 | Air conditioner and its defrosting control method |
| CN107238176A (en) * | 2017-06-13 | 2017-10-10 | 广东美的制冷设备有限公司 | The control method and air conditioner of air conditioner |
| CN108826612A (en) * | 2018-04-28 | 2018-11-16 | 四川长虹空调有限公司 | Air-conditioner defrosting four-way valve method for handover control and air-conditioning |
| CN109751714A (en) * | 2019-02-02 | 2019-05-14 | 珠海格力电器股份有限公司 | air conditioner defrosting control method and air conditioner |
| CN112082249A (en) * | 2020-08-25 | 2020-12-15 | 青岛海信移动通信技术股份有限公司 | Anti-freezing early warning method and system for air conditioner outdoor unit and server |
| CN113790512A (en) * | 2021-09-09 | 2021-12-14 | 珠海格力电器股份有限公司 | Shutdown defrosting logic control method and computer storage medium |
| CN114183880A (en) * | 2021-12-22 | 2022-03-15 | 宁波奥克斯电气股份有限公司 | Mildew-proof control method and air conditioner |
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Application publication date: 20101027 |