CN103307697A - Heating control method of air conditioner - Google Patents
Heating control method of air conditioner Download PDFInfo
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- CN103307697A CN103307697A CN2012100701110A CN201210070111A CN103307697A CN 103307697 A CN103307697 A CN 103307697A CN 2012100701110 A CN2012100701110 A CN 2012100701110A CN 201210070111 A CN201210070111 A CN 201210070111A CN 103307697 A CN103307697 A CN 103307697A
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Abstract
The invention relates to a heating control method of an air conditioner. The method comprises the following steps of powering on the air conditioner, and entering a heating mode; adopting an outdoor machine to detect an outdoor ambient temperature T3, and adopting an indoor machine to detect an indoor ambient temperature T1; enabling an air damper and an air guide angle of the indoor machine to be operated according to the setting of a user or to be operated according to a preset value, and enabling the air damper and the air guide angle of the indoor machine to be operated in priority according to a cold-air preventing mode if the cold-air preventing mode is needed; enabling an indoor fan to enter a high-air running mode if T3A is more than T3 and T1 is more than T1A, and adopting a cold-air preventing angle mode for an air guide angle of the indoor fan; withdrawing from the high-air running mode, and enabling the air conditioner to run the air damper according to a normal cold-air preventing mode; and enabling the air conditioner to enter a set air mode according to the normal cold-air preventing mode if T3 is less than T3A and T1 is more than T1A. By adjusting the operation mode of the air conditioner, the thickness of an oil membrane of a running part of a compressor can be efficiently increased, the thickness and viscosity of the oil membrane of the air conditioner under a worst working condition can be guaranteed, the reliability of the compressor is improved, and the operation reliability of the air conditioner can be guaranteed.
Description
Technical field
The present invention relates to a kind of air-conditioner, specifically a kind of heat-production control method of air-conditioner.
Background technology
People more and more pay attention to air-conditioning refrigerant to the impact of environment at present; be the protection atmospheric ozone layer; and common practice is to adopt novel refrigerant R410A or R407C to substitute traditional air-conditioning refrigerant R22; but these two kinds of cold-producing mediums belong to the HFCS class greenhouse gases of controlled discharge in " Kyoto Protocol "; do not belong to fully desirable cold-producing medium; and natural refrigerant is the long-term desirable material that substitutes to environmental impact minimization.Wherein, R290 (propane) belongs to natural refrigerant, and the depletion of the ozone layer coefficient is 0, and greenhouse coefficient is less, and thermal performance is good, is the desirable material that cold-producing medium R22 substitutes for a long time.
Under 54.4 ℃ of saturated liquid conditions, cold-producing medium R290, R22, R410A, the density of R407C is respectively 444kg/m3,1063kg/m3,806kg/m3,1000kg/m3, and the density of oil is generally about 800kg/m3, therefore the R290 liquid refrigerants in the compressor bottom can be lighter than oil, oil will sink to the bottom, this and R22, R410A, the situation that R407C is heavier than oil is different, therefore need again cold-producing medium R290 to be investigated in air-conditioning system most severe condition lower compression machine reliability, and find out to improve and adopt cold-producing medium R290 in the method for air-conditioning compressor reliability.
Summary of the invention
Purpose of the present invention aims to provide a kind of the raising and adopts cold-producing medium R290 at the heat-production control method of the air-conditioner of air-conditioning compressor reliability, to overcome weak point of the prior art.
Press the heat-production control method of a kind of air-conditioner of this purpose design, described air-conditioner comprises off-premises station and indoor set, it is characterized in that the heat-production control method of this air-conditioner comprises the steps:
A, air-conditioner start enter heating operation;
B, off-premises station detect outdoor environment temperature, and this temperature is T3, and indoor set detects indoor environment temperature, and this temperature is T1;
The windscreen of c, indoor set, wind-guiding angle are set operation by the user, perhaps, press the preset value operation, if need anti-cold wind pattern, the windscreen of indoor set, wind-guiding angle are preferentially by anti-cold wind mode operation;
D, when satisfying T3＜T3A and T1＞T1A, move N minute relief at air-conditioner by force and enter high wind running by indoor fan, and continuous service N1 minute, at this moment, indoor fan wind-guiding angle adopts anti-cold wind angle mode;
E, N2 minute this pattern of backed off after random of high wind running by force, air-conditioner is again by normal anti-cold wind mode operation wind shelves;
F, when not satisfying T3＜T3A and T1＞T1A, air-conditioner enters into the wind pattern of setting by normal anti-cold wind pattern;
G, system closedown, after again starting shooting, repeating step a-g.
Described T3A temperature span is-5 ℃～20 ℃, and T1A temperature span is 10 ℃～20 ℃.
The span of described N is that 3～8, N1 span is that 3～10, N2 span is 3～10.
The cold-producing medium that described air-conditioner adopts is R290.
The present invention is by adjusting the operational mode of air-conditioner, and oil film thickness that can Effective Raise compressor operation parts guarantees oil film thickness and the viscosity of air-conditioner under bad working environments condition, improves the reliability of compressor, guarantees the reliability service of air-conditioner.
Description of drawings
Fig. 1 is the schematic diagram of a kind of anti-cold wind pattern of air-conditioner in the prior art.
Fig. 2 is the data statistics figure that a kind of air-conditioner coolant that adopts cold-producing medium R290 to make refrigerant deposits.
Fig. 3 is the control method schematic flow sheet of one embodiment of the invention air-conditioner.
The specific embodiment
The invention will be further described below in conjunction with drawings and Examples.
In general, air conditioner has anti-cold wind function, namely when the user heats start, machine can't enter immediately sets the wind operation, but the rising that is accompanied by interior machine evaporator temperature progressively from blower fan stop, gentle breeze, low wind, last could arrival set wind, can certainly stop from blower fan, gentle breeze, low wind, apoplexy again to setting wind or from blower fan stop, gentle breeze, again to setting wind etc., its principle is as shown in Figure 1.For the compressor in the air-conditioner, refrigerant soak is worst operating mode, and this moment, oil film thickness can reach minimum of a value usually.
As shown in Figure 2, it is the data statistics figure that a kind of air-conditioner coolant that adopts cold-producing medium R290 to make refrigerant deposits, and data result shows: behind the refrigerant soak, before the compressor off-duty, viscosity is still larger, exceeds viscosity apparatus greatest measurement (100cps); Behind the compressor operating, viscosity is greatly about 0.68cps, along with pressure rise when the 4th minute (first three minute viscosity apparatus test is inaccurate), viscosity has by a small margin decline, machine withdraws from anti-cold wind and enters high wind shelves in the 10th minute, pressure drop, and viscosity increases considerably to 1.216cps; The viscosity minimum of a value appears at anti-cold wind and withdraws from eve, and at this moment Δ T only has-24 ℃, reaches minimum; Whole service process oil film thickness is consistent with the variation tendency of viscosity, namely increases along with the increase of viscosity.
Referring to Fig. 3, the heat-production control method of this air-conditioner, described air-conditioner comprises off-premises station and indoor set, the heat-production control method of air-conditioner comprises the steps:
A, air-conditioner start enter heating operation;
B, off-premises station detect outdoor environment temperature, and this temperature is T3, and indoor set detects indoor environment temperature, and this temperature is T1;
The windscreen of c, indoor set, wind-guiding angle are set operation by the user, perhaps, press the preset value operation, if need anti-cold wind pattern, the windscreen of indoor set, wind-guiding angle are preferentially by anti-cold wind mode operation;
D, when satisfying T3＜T3A and T1＞T1A, move N minute relief indoor fan at air-conditioner by force and enter high wind running, and continuous service N1 minute, at this moment, indoor fan wind-guiding angle adopts anti-cold wind angle mode;
E, N2 minute this pattern of backed off after random of high wind running by force, air-conditioner is again by normal anti-cold wind mode operation wind shelves;
F, when not satisfying T3＜T3A and T1＞T1A, air-conditioner enters into the wind pattern of setting by normal anti-cold wind pattern;
G, system closedown, after again starting shooting, repeating step a-g.
T3A temperature span is-5 ℃～20 ℃, and T1A temperature span is 10 ℃～20 ℃.
The span of N is 3～8, more preferably 5, and the N1 span is 3～10, more preferably 5, the N2 span is 3～10, more preferably 5.
Wherein, the cold-producing medium of air-conditioner employing is R290, i.e. propane.
The present invention is by adjusting the operational mode of air-conditioner, can effectively improve the refrigeration oil deposition that adopts cold-producing medium R290 to make the air-conditioner of refrigerant, improve the oil film thickness of compressor operation parts, guarantee oil film thickness and the viscosity of air-conditioner under bad working environments condition, improve the reliability of compressor, guarantee the reliability service of air-conditioner.
Claims (4)
1. the heat-production control method of an air-conditioner, described air-conditioner comprises off-premises station and indoor set, it is characterized in that the heat-production control method of this air-conditioner comprises the steps:
A, air-conditioner start enter heating operation;
B, off-premises station detect outdoor environment temperature, and this temperature is T3, and indoor set detects indoor environment temperature, and this temperature is T1;
The windscreen of c, indoor set, wind-guiding angle are set operation by the user, perhaps, press the preset value operation, if need anti-cold wind pattern, the windscreen of indoor set, wind-guiding angle are preferentially by anti-cold wind mode operation;
D, when satisfying T3＜T3A and T1＞T1A, move N minute relief indoor fan at air-conditioner by force and enter high wind running, and continuous service N1 minute, at this moment, indoor fan wind-guiding angle adopts anti-cold wind angle mode;
E, N2 minute this pattern of backed off after random of high wind running by force, air-conditioner is again by normal anti-cold wind mode operation wind shelves;
F, when not satisfying T3＜T3A and T1＞T1A, air-conditioner enters into the wind pattern of setting by normal anti-cold wind pattern;
G, system closedown, after again starting shooting, repeating step a-g.
2. the heat-production control method of described air-conditioner according to claim 1 is characterized in that described T3A temperature span is-5 ℃～20 ℃, and T1A temperature span is 10 ℃～20 ℃.
3. the heat-production control method of described air-conditioner according to claim 1, the span that it is characterized in that described N is that 3～8, N1 span is that 3～10, N2 span is 3～10.
4. the heat-production control method of described air-conditioner according to claim 1 is characterized in that the cold-producing medium that described air-conditioner adopts is R290.
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| CN201210070111.0A CN103307697B (en) | 2012-03-15 | 2012-03-15 | The heat-production control method of air-conditioner |
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| CN201210070111.0A CN103307697B (en) | 2012-03-15 | 2012-03-15 | The heat-production control method of air-conditioner |
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| CN103307697A true CN103307697A (en) | 2013-09-18 |
| CN103307697B CN103307697B (en) | 2015-10-28 |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104729019A (en) * | 2015-03-18 | 2015-06-24 | 广东美的制冷设备有限公司 | Control method of air-conditioner, control system of air-conditioner and air-conditioner |
| CN105004020A (en) * | 2015-07-02 | 2015-10-28 | 珠海格力电器股份有限公司 | Air conditioner heating starting control method and control device |
| CN107355952A (en) * | 2017-07-28 | 2017-11-17 | 海信（山东）空调有限公司 | The anti-cold air control method, apparatus and air-conditioning of a kind of air conditioner |
| CN107514744A (en) * | 2017-08-02 | 2017-12-26 | 广东美的暖通设备有限公司 | New blower fan and its anti-cold air control method and apparatus |
| CN109323385A (en) * | 2017-07-31 | 2019-02-12 | 广东美的制冷设备有限公司 | The detection method of the leaving air temp of air conditioner, device and air conditioner under heating mode |
| CN110249187A (en) * | 2017-02-06 | 2019-09-17 | 大金工业株式会社 | Air conditioner |
| CN110986328A (en) * | 2019-11-04 | 2020-04-10 | 青岛海尔空调器有限总公司 | Control method for preventing cold air during heating and starting of air conditioner |
| CN111706981A (en) * | 2020-05-27 | 2020-09-25 | 广东纽恩泰新能源科技发展有限公司 | Cold air prevention control method and system for air source heat pump air heater unit |
| CN111720972A (en) * | 2020-06-19 | 2020-09-29 | 海信（山东）空调有限公司 | Control method of air conditioner |
| CN112161384A (en) * | 2020-09-23 | 2021-01-01 | 海信（山东）空调有限公司 | Air conditioner fresh air control method and system and air conditioner |
| US10982890B2 (en) * | 2016-10-28 | 2021-04-20 | Gree Electric Appliances, Inc. Of Zhuhai | Air conditioner, and device and method for preventing cold air during heating of air conditioner |
| CN112902379A (en) * | 2021-02-10 | 2021-06-04 | 珠海格力电器股份有限公司 | Air conditioning equipment control method and device, electronic equipment and storage medium |
| CN113203171A (en) * | 2021-05-12 | 2021-08-03 | 宁波奥克斯电气股份有限公司 | Air conditioner control method and device, air conditioner and computer readable storage medium |
| CN113847717A (en) * | 2021-08-23 | 2021-12-28 | 青岛海尔空调电子有限公司 | Air conditioner operation control method and device and air conditioner |
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| CN106247535A (en) * | 2016-08-08 | 2016-12-21 | 珠海格力电器股份有限公司 | Control method and system for protecting air conditioning unit |
| CN110243049B (en) * | 2019-06-20 | 2021-07-16 | 宁波奥克斯电气股份有限公司 | Air conditioner heating control method and device and air conditioner |
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Cited By (20)
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|---|---|---|---|---|
| CN104729019A (en) * | 2015-03-18 | 2015-06-24 | 广东美的制冷设备有限公司 | Control method of air-conditioner, control system of air-conditioner and air-conditioner |
| CN105004020A (en) * | 2015-07-02 | 2015-10-28 | 珠海格力电器股份有限公司 | Air conditioner heating starting control method and control device |
| CN105004020B (en) * | 2015-07-02 | 2018-02-13 | 珠海格力电器股份有限公司 | Air conditioner heating starting control method and control device |
| US10982890B2 (en) * | 2016-10-28 | 2021-04-20 | Gree Electric Appliances, Inc. Of Zhuhai | Air conditioner, and device and method for preventing cold air during heating of air conditioner |
| CN110249187A (en) * | 2017-02-06 | 2019-09-17 | 大金工业株式会社 | Air conditioner |
| CN107355952A (en) * | 2017-07-28 | 2017-11-17 | 海信（山东）空调有限公司 | The anti-cold air control method, apparatus and air-conditioning of a kind of air conditioner |
| CN109323385A (en) * | 2017-07-31 | 2019-02-12 | 广东美的制冷设备有限公司 | The detection method of the leaving air temp of air conditioner, device and air conditioner under heating mode |
| CN107514744A (en) * | 2017-08-02 | 2017-12-26 | 广东美的暖通设备有限公司 | New blower fan and its anti-cold air control method and apparatus |
| WO2019024241A1 (en) * | 2017-08-02 | 2019-02-07 | 广东美的暖通设备有限公司 | New fan and anti-cold air control method and apparatus therefor |
| US11306936B2 (en) | 2017-08-02 | 2022-04-19 | Gd Midea Heating & Ventilating Equipment Co., Ltd. | Method, device and non-transitory computer readable storage medium for HVAC and fresh air control |
| CN110986328A (en) * | 2019-11-04 | 2020-04-10 | 青岛海尔空调器有限总公司 | Control method for preventing cold air during heating and starting of air conditioner |
| WO2021088644A1 (en) * | 2019-11-04 | 2021-05-14 | 青岛海尔空调器有限总公司 | Control method for preventing cold air during heating startup of air conditioner |
| CN111706981A (en) * | 2020-05-27 | 2020-09-25 | 广东纽恩泰新能源科技发展有限公司 | Cold air prevention control method and system for air source heat pump air heater unit |
| CN111720972A (en) * | 2020-06-19 | 2020-09-29 | 海信（山东）空调有限公司 | Control method of air conditioner |
| CN112161384A (en) * | 2020-09-23 | 2021-01-01 | 海信（山东）空调有限公司 | Air conditioner fresh air control method and system and air conditioner |
| CN112902379A (en) * | 2021-02-10 | 2021-06-04 | 珠海格力电器股份有限公司 | Air conditioning equipment control method and device, electronic equipment and storage medium |
| CN112902379B (en) * | 2021-02-10 | 2021-12-24 | 珠海格力电器股份有限公司 | Air conditioning equipment control method and device, electronic equipment and storage medium |
| CN113203171A (en) * | 2021-05-12 | 2021-08-03 | 宁波奥克斯电气股份有限公司 | Air conditioner control method and device, air conditioner and computer readable storage medium |
| CN113203171B (en) * | 2021-05-12 | 2022-06-14 | 宁波奥克斯电气股份有限公司 | Air conditioner control method and device, air conditioner and computer readable storage medium |
| CN113847717A (en) * | 2021-08-23 | 2021-12-28 | 青岛海尔空调电子有限公司 | Air conditioner operation control method and device and air conditioner |
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