CN104633838A - Control method for preventing water dripping during starting of air conditioner internal unit - Google Patents
Control method for preventing water dripping during starting of air conditioner internal unit Download PDFInfo
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- CN104633838A CN104633838A CN201310567688.7A CN201310567688A CN104633838A CN 104633838 A CN104633838 A CN 104633838A CN 201310567688 A CN201310567688 A CN 201310567688A CN 104633838 A CN104633838 A CN 104633838A
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- 238000000034 method Methods 0.000 title claims abstract description 65
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract description 8
- 230000005494 condensation Effects 0.000 claims abstract description 66
- 238000009833 condensation Methods 0.000 claims abstract description 66
- 238000010438 heat treatment Methods 0.000 claims abstract description 12
- 238000004378 air conditioning Methods 0.000 claims description 159
- 230000005611 electricity Effects 0.000 claims description 70
- 238000009998 heat setting Methods 0.000 claims description 23
- 238000002474 experimental method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 12
- 230000001276 controlling effect Effects 0.000 description 5
- 238000001816 cooling Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
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- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
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Abstract
The invention provides a control method for preventing water dripping when an air conditioner internal unit is started. The control method comprises the following steps: when an air conditioner indoor unit in the refrigerating operation process receives a shutdown signal, starting electric auxiliary heating of the air conditioner indoor unit; judging whether the condition for preventing the electric auxiliary heat condensation is met; and if the condition for preventing the electric auxiliary heat from being condensed is met, turning off the electric auxiliary heat. According to the control method for preventing the water from dripping when the air conditioner internal unit is started, the electric auxiliary heat of the air conditioner internal unit is started after the air conditioner internal unit receives the shutdown signal, and the electric auxiliary heat is turned off after the condition for preventing the electric auxiliary heat from condensing is judged to be met, so that the condensing generated on the surface of the electric auxiliary heat is effectively avoided, and the water dripping problem of the air conditioner internal unit when the air conditioner internal unit is restarted after the air conditioner internal unit is refrigerated and operated can be further relieved.
Description
Technical field
The present invention relates to air-conditioning technique field, more specifically, relate to a kind of control method of dripping when preventing air-conditioning internal machine from starting shooting.
Background technology
At present, air-conditioner set is when cooling in summer is started shooting, and air-conditioning internal machine may occur the situation of dripping, and causes very large puzzlement to the use of user.In prior art, the air-conditioning internal machine condensation problem in running has fully been paid close attention in air-conditioner set design, as by near evaporimeter or air outlet the condensation problem that the methods such as electric auxiliary heat improve indoor set is set, but when firm unlatching air-conditioner set, air-conditioning internal machine drips manufacturer and the user that water problem still annoyings air-conditioner set, have impact on the quality of air-conditioner set.
Present inventor finds through long-term observation and analyzing, and when causing air-conditioner set to start shooting, the drip reason of this problem of air-conditioning internal machine is as follows:
(1) when condensation appears in air-conditioning internal machine, in the region that some humidity are larger, or when evaporator temperature is too low, in refrigerating operaton process, in air-conditioning, chance produces condensation, and the condensation water in electric auxiliary heat is not easily drained.
(2), when condensation does not appear in air-conditioning internal machine, in refrigerating operaton process, evaporator temperature is higher than ambient dew point temperature, and interior machine condensation can not occur.But after shutdown, Indoor Thermal air enters air-conditioning internal machine, and the surface temperature of electric auxiliary heat is lower than the dew-point temperature of hot-air, when the auxiliary thermo-contact of hot-air and electricity, can at the surface of electricity auxiliary heat formation condensation, when user starts shooting again, condensation water can be blown.
Summary of the invention
Object is to provide a kind of control method of dripping when preventing air-conditioning internal machine from starting shooting, and is intended to the problem of dripping when alleviating air-conditioning internal machine start.
For realizing above object, the invention provides a kind of control method of dripping when preventing air-conditioning internal machine from starting shooting, when the air-conditioning internal machine comprising the steps: in refrigerating operaton process receives off signal, opening the auxiliary heat of electricity of air-conditioning internal machine; Judge whether to meet the condition preventing electric auxiliary heat setting dew; If meet the condition preventing electric auxiliary heat setting dew, close electric auxiliary heat.
Further, after the auxiliary heat of electricity of opening air-conditioning internal machine, also comprise the step judging air-conditioning internal machine whether condensation, if judged result is yes, then the operation of the blower fan of lasting air-conditioning internal machine; If judged result is no, then close the blower fan of air-conditioning internal machine.
Further, judge that the step of air-conditioning internal machine whether condensation comprises: the humidity value detecting air-conditioning internal machine, judges whether this humidity value is greater than or equal to default humidity threshold, if it is judge air-conditioning internal machine condensation, if otherwise judge that air-conditioning internal machine does not have condensation.
Further, after judging air-conditioning internal machine condensation, when closing the auxiliary heat of electricity meeting the condition that prevents electric auxiliary heat setting dew, also comprise the step of the blower fan of closing air-conditioning internal machine.
Further, the time preventing the condition of electric auxiliary heat setting dew from comprising the auxiliary heat unlatching of electricity is more than or equal to predetermined amount of time t0.
Further, predetermined amount of time t0 is calculated by the real-time parameter of air-conditioning internal machine, and real-time parameter comprises in air-conditioning
The dew-point temperature T0 of environment and the surface temperature T1 of electricity auxiliary heat when machine receives off signal.
Further, predetermined amount of time t0 is calculated as follows: and t0=[MCp(T1-T0)]/P+ δ, wherein, M is the quality of electric auxiliary heat, and unit is kg; Cp is the thermal capacitance of electric auxiliary heat, and unit is J/(kgK); T1 is the surface temperature of air-conditioning internal machine electricity auxiliary heat when receiving off signal, and unit is DEG C; T0 is the dew-point temperature of air-conditioning internal machine environment when receiving off signal, and unit is DEG C; P: power during heat heating auxiliary for electricity, unit is W; δ: be time complexity curve coefficient, unit is s, and this time complexity curve coefficient obtains by experiment.
Further, the surface preventing from the condition of electric auxiliary heat setting dew from comprising judging electric auxiliary heat whether evaporate to dryness.
Further, whether the surface temperature T preventing the condition of electric auxiliary heat setting dew from comprising electric auxiliary heat is more than or equal to the dew-point temperature T0 of environment.
Further, electric auxiliary heat is the auxiliary heat of electricity of Variable power, and the step of opening the auxiliary heat of electricity of air-conditioning internal machine comprises makes electric auxiliary heat to be less than the power heating of rated power.
According to of the present invention prevent air-conditioning internal machine from starting shooting time the control method of dripping, due to the air-conditioning internal machine in refrigerating operaton process receive off signal time, open the auxiliary heat of electricity of air-conditioning internal machine, and electric auxiliary heat is closed after judging to meet the condition preventing electric auxiliary heat setting from revealing, thus effectively prevent and produce condensation at the auxiliary hot surface of electricity, and then air-conditioning internal machine when starting shooting again after can alleviating air-conditioner set refrigerating operaton drips problem.
Accompanying drawing explanation
The accompanying drawing forming a part of the present invention is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 be according to first preferred embodiment of the invention prevent air-conditioning internal machine from starting shooting time the schematic flow sheet of control method that drips;
Fig. 2 be according to second preferred embodiment of the invention prevent air-conditioning internal machine from starting shooting time the schematic flow sheet of control method that drips;
Fig. 3 be according to third preferred embodiment of the invention prevent air-conditioning internal machine from starting shooting time the schematic flow sheet of control method that drips;
Fig. 4 A be according to second preferred embodiment of the invention and the 3rd preferred embodiment preferred embodiment prevent air-conditioning internal machine from starting shooting time the control method of dripping in electric auxiliary heat setting dew time the schematic diagram of air-conditioning internal machine when refrigerating operaton;
Fig. 4 B be according to second preferred embodiment of the invention and the 3rd preferred embodiment preferred embodiment prevent air-conditioning internal machine from starting shooting time the control method of dripping in electric auxiliary heat setting dew time the schematic diagram of air-conditioning internal machine when being carried out condensation by electric auxiliary heat and controlling;
Fig. 4 C be according to second preferred embodiment of the invention and the 3rd preferred embodiment preferred embodiment prevent air-conditioning internal machine from starting shooting time the control method of dripping in electric auxiliary heat setting dew time the schematic diagram of air-conditioning internal machine when shutting down completely;
Fig. 5 A be according to second preferred embodiment of the invention and the 3rd preferred embodiment preferred embodiment prevent air-conditioning internal machine from starting shooting time the control method of dripping in electric auxiliary heat there is no a condensation time schematic diagram of air-conditioning internal machine when refrigerating operaton;
Fig. 5 B be according to second preferred embodiment of the invention and the 3rd preferred embodiment preferred embodiment prevent air-conditioning internal machine from starting shooting time the control method of dripping in electric auxiliary heat there is no a condensation time schematic diagram of air-conditioning internal machine when being carried out condensation by electric auxiliary heat and controlling;
Fig. 5 C be according to second preferred embodiment of the invention and the 3rd preferred embodiment preferred embodiment prevent air-conditioning internal machine from starting shooting time the control method of dripping in electric auxiliary heat there is no a condensation time schematic diagram of air-conditioning internal machine when shutting down completely.
Detailed description of the invention
Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.It should be noted that, when not conflicting, the embodiment in the present invention and the feature in embodiment can combine mutually.
Based on aforesaid start shooting for air-conditioning internal machine time the analysis of causes of dripping, the invention provides a kind of control method of dripping when preventing air-conditioning internal machine from starting shooting, when this control method comprises the steps: that the air-conditioning internal machine in refrigerating operaton process receives off signal, open the auxiliary heat of electricity of air-conditioning internal machine; Judge whether to meet the condition preventing electric auxiliary heat setting dew; If meet the condition preventing electric auxiliary heat setting dew, close electric auxiliary heat.
According to of the present invention prevent air-conditioning internal machine from starting shooting time the control method of dripping, owing to opening the auxiliary heat of electricity of air-conditioning internal machine when the air-conditioning internal machine in refrigerating operaton process receives off signal, and electric auxiliary heat is closed after judging to meet the condition preventing electric auxiliary heat setting from revealing, thus avoid and produce condensation at the auxiliary hot surface of electricity, and then air-conditioning internal machine when starting shooting again after can alleviating air-conditioner set refrigerating operaton drips problem.
Various embodiments of the present invention are described in detail below with reference to Fig. 1 to Fig. 3 and Fig. 4 A to Fig. 4 C, Fig. 5 A to Fig. 5 C.
Fig. 1 be first preferred embodiment of the invention prevent air-conditioning internal machine from starting shooting time the schematic flow sheet of control method that drips.As shown in Figure 1, in a first embodiment, after air-conditioning internal machine in refrigerating operaton process receives off signal, blower fan a period of time of the electric auxiliary heat of direct unlatching and air-conditioning internal machine, until electricity auxiliary heat open time period t be more than or equal to predetermined amount of time t0 after, close the blower fan of electric auxiliary heat and air-conditioning internal machine.
Wherein, predetermined amount of time t0 can be the fixed value preset.This fixed value can rule of thumb or experimentally result setting.Such as, predetermined amount of time t0 can be set to: electric auxiliary heat is opened to the degree that can reach in most cases and prevent electric auxiliary hot surface condensation completely, although or do not reach the degree preventing electric auxiliary hot surface condensation completely, can reach the time period of the degree of dripping when effectively avoiding air-conditioning internal machine to start shooting.
In the present embodiment, predetermined amount of time t0 is calculated by the real-time parameter of air-conditioning internal machine.
Preferably, the real-time parameter calculating predetermined amount of time t0 comprises the dew-point temperature T0 of environment and the surface temperature T1 of electricity auxiliary heat when air-conditioning internal machine receives off signal.
Such as, predetermined amount of time t0 can be calculated as follows: t0=[MCp(T1-T0)]/P+ δ, wherein:
MCp(T1-T0) represent electric auxiliary heat and be heated to the heat Q that more than dew-point temperature T0 needs;
M is the quality of electric auxiliary heat, and unit is kg;
Cp is the thermal capacitance of electric auxiliary heat, and unit is J/(kgK);
T1 is the surface temperature of air-conditioning internal machine electricity auxiliary heat when receiving off signal, and unit is DEG C;
T0 is the dew-point temperature that air-conditioning internal machine receives off signal environment, and unit is DEG C;
Power when P is electric auxiliary heat heating, unit is W;
δ is time complexity curve coefficient, and unit is s, and this time complexity curve coefficient can obtain by experiment.When determining time complexity curve coefficient δ, whether whether admissible factor comprises opens the blower fan of air-conditioning internal machine, the opening time length of the blower fan of air-conditioning internal machine, the environment for use etc. of air-conditioning internal machine in the process of the auxiliary heat unlatching of electricity.
In a first preferred embodiment, when the auxiliary heat of electricity is opened, the blower fan of air-conditioning internal machine can not cut out and be in running status, and, the blower fan of air-conditioning internal machine and the auxiliary heat of electricity can be made to close simultaneously.But when the auxiliary heat of electricity is opened, the blower fan of air-conditioning internal machine is not must cut out with the auxiliary heat of electricity, and can close in advance relative to the auxiliary heat of electricity or delay closedown simultaneously.The blower fan running air-conditioning internal machine while opening electric auxiliary heat can make the temperature of electric auxiliary heat have controllability, prevents the temperature of electric auxiliary heat too high, and burn-off phenomenon occurs.But the blower fan running air-conditioning internal machine while opening electric auxiliary heat is the preferred embodiment of the present invention.In control method of the present invention, also can adopt and only open electric auxiliary heat and the technical scheme not running the blower fan of air-conditioning internal machine, now, and/or the mode of intermittently starting can be adopted to ensure that electric auxiliary heat burning does not occur by the control of the heating power to the auxiliary heat of electricity, heat time etc.Such as, when the auxiliary heat of electricity is the auxiliary heat of the electricity of Variable power, the object making electric auxiliary heat reach the temperature controlling electric auxiliary heat in the mode being less than the power heating of rated power can be adopted.Certainly, even if when the fan operation of air-conditioning internal machine, adopt and make electric auxiliary heat also be conducive to the control to the auxiliary hot-surface temperature of electricity in the mode being less than the power heating of rated power.
Fig. 2 be according to second preferred embodiment of the invention prevent air-conditioning internal machine from starting shooting time the schematic flow sheet of control method that drips.In second embodiment, in the process of air-conditioning internal machine refrigerating operaton, judge air-conditioning internal machine whether condensation.Different control is carried out respectively again according to judged result.Wherein, the method can being undertaken monitoring by humidity sensor judges air-conditioning internal machine whether condensation.Particularly, judge that the step of air-conditioning internal machine whether condensation comprises: the humidity value detecting air-conditioning internal machine, judges whether this humidity value is greater than or equal to default humidity threshold, if it is judge air-conditioning internal machine condensation, if otherwise judge that air-conditioning internal machine does not have condensation.
In a second embodiment, be also the control that mode by opening electric auxiliary heat carries out dripping when preventing air-conditioning internal machine from starting shooting, but whether meet and prevent the condition of electric auxiliary heat setting dew different.
As shown in Figure 2, after judging air-conditioning internal machine condensation, if air-conditioning internal machine receives off signal, then electric auxiliary heat is opened, the blower fan continuous service of air-conditioning internal machine simultaneously, judge the condensation whether evaporate to dryness of electric auxiliary hot surface afterwards, if condensation is not by evaporate to dryness, then the blower fan of electric auxiliary heat and air-conditioning internal machine continues to run, if condensation is by evaporate to dryness, then judge whether electric auxiliary hot-surface temperature T has been more than or equal to the close dew temperature T0 of environment further, if electric auxiliary hot-surface temperature T is less than the close dew temperature T0 of environment, then the blower fan of electric auxiliary heat and air-conditioning internal machine continues to run, if electric auxiliary hot-surface temperature T is more than or equal to the close dew temperature T0 of environment, then the blower fan of electric auxiliary heat and air-conditioning internal machine cuts out simultaneously, air-conditioning internal machine is closed completely, control procedure is complete.
After judging that air-conditioning internal machine does not have condensation, if user shuts down, then electric auxiliary heat is opened, and the blower fan of air-conditioning internal machine does not continue to run, and then judges whether electric auxiliary hot-surface temperature T has been more than or equal to the close dew temperature T0 of environment, if electric auxiliary hot-surface temperature T is less than the close dew temperature T0 of environment, then electric auxiliary heat continues to open, if electric auxiliary hot-surface temperature T is more than or equal to the close dew temperature T0 of environment, then electric auxiliary heat is closed, air-conditioning internal machine is closed completely, and control procedure is complete.
In a second embodiment, after judging air-conditioning internal machine condensation, the blower fan of air-conditioning internal machine and the auxiliary heat of electricity are run simultaneously, are closed simultaneously, but with reference to the related content in the first embodiment, the blower fan of air-conditioning internal machine is same with the auxiliary heat of electricity also can not simultaneously close.
In a second embodiment, owing to control mode being divided into for air-conditioning internal machine condensation and thering is no condensation two kinds of operating modes, under the condition of condensation operating mode, continue while opening electric auxiliary heat to run the blower fan of air-conditioning internal machine, can by the blower fan of air-conditioning internal machine to the temperature regulating action of the auxiliary heat of electricity, and avoid because the auxiliary heat of electricity is for evaporate to dryness surface condensation needs the long period to open and cause burning, under the condition not having condensation operating mode, only open electric auxiliary heat, control object can be reached in the short time, effective economize energy.
In a second embodiment, when the auxiliary heat of electricity is the auxiliary heat of the electricity of Variable power, in order to prevent the auxiliary hot burning of electricity, preferably adopts and making electric auxiliary heat to be less than the mode of the power heating of rated power, be easy to make the temperature of electric auxiliary heat control.Even if when the blower fan of air-conditioning internal machine is opened, the mode that also can adopt the power heating being less than rated power heats so that the temperature of electric auxiliary heat controls.
Fig. 3 be according to third preferred embodiment of the invention prevent air-conditioning internal machine from starting shooting time the schematic flow sheet of control method that drips.As shown in Figure 3, the 3rd embodiment is from the different of the second embodiment, judges air-conditioning internal machine whether condensation after air-conditioning internal machine receives off signal.After judgement, be also divided into condensation and do not have condensation two kinds of operating modes, the control procedure of these two kinds of operating modes is identical with the second preferred embodiment with condition, specifically can see the associated description of the second preferred embodiment, in this not repeated description.
The control procedure that control procedure in the second preferred embodiment and the 3rd preferred embodiment under air-conditioning internal machine condensation operating mode and air-conditioning internal machine do not have under condensation operating mode is illustrated below in conjunction with Fig. 4 A to Fig. 4 C, Fig. 5 A to Fig. 5 C.Wherein, air-conditioning internal machine 100 comprises evaporimeter 10, electricity auxiliary hot 20, blower fan 30, air inlet 50 and air outlet 40.
Fig. 4 A be according to second preferred embodiment of the invention and the 3rd preferred embodiment preferred embodiment prevent air-conditioning internal machine from starting shooting time the control method of dripping in air-conditioning internal machine condensation time the schematic diagram of air-conditioning internal machine when refrigerating operaton.As shown in Figure 4 A, when refrigerating operaton, environment hot-air enters the enclosure interior of air-conditioning internal machine 100 from air inlet 50, becomes cold wind with after evaporimeter 10 heat exchange, and the blower fan 30 through air-conditioning internal machine blows out from air outlet 40.In the process, evaporimeter 10 can produce condensation, therefore, needs suitably to open the condensation situation that electricity auxiliary hot 20 controls evaporimeter 10.In the refrigerating operaton process shown in Fig. 4 A, the auxiliary surface of hot 20 of electricity produces condensation.
Fig. 4 B be according to second preferred embodiment of the invention and the 3rd preferred embodiment preferred embodiment prevent air-conditioning internal machine from starting shooting time the control method of dripping in air-conditioning internal machine condensation time the schematic diagram of air-conditioning internal machine when being carried out condensation by electric auxiliary heat and controlling.After user's shutdown, air-conditioner air outlet is closed.Open electricity auxiliary hot 20, simultaneously blower fan 30 continuous service, until electricity auxiliary hot 20 is by the condensation evaporate to dryness of its own face and the auxiliary hot 20 surface temperature T of electricity are more than or equal to the dew-point temperature T0 of environment.
Fig. 4 C be according to second preferred embodiment of the invention and the 3rd preferred embodiment preferred embodiment prevent air-conditioning internal machine from starting shooting time the control method of dripping in electric auxiliary heat setting dew time the schematic diagram of air-conditioning internal machine when shutting down completely.Now, electricity auxiliary hot 20 is by the condensation evaporate to dryness of its own face and electric auxiliary hot-surface temperature T is more than or equal to the dew-point temperature T0 of environment, and therefore, electricity auxiliary hot 20 and blower fan 30 are closed, and air-conditioning internal machine shuts down completely.
Fig. 5 A be according to second preferred embodiment of the invention and the 3rd preferred embodiment preferred embodiment prevent air-conditioning internal machine from starting shooting time the control method of dripping in electric auxiliary heat there is no a condensation time schematic diagram of air-conditioning internal machine when refrigerating operaton.As shown in Figure 5A, when refrigerating operaton, environment hot-air enters the enclosure interior of air-conditioning internal machine 100 from air inlet 50, becomes cold wind, blow out through blower fan 30 from air outlet 40 with after evaporimeter 10 heat exchange.With Fig. 4 A unlike, in the process, electricity the auxiliary surface of hot 20 do not produce condensation.
Fig. 5 B be according to second preferred embodiment of the invention and the 3rd preferred embodiment preferred embodiment prevent air-conditioning internal machine from starting shooting time the control method of dripping in electric auxiliary heat there is no a condensation time schematic diagram of air-conditioning internal machine when being carried out condensation by electric auxiliary heat and controlling.After user's shutdown, air-conditioner air outlet is closed.Because auxiliary hot 20 surfaces of electricity do not produce condensation, therefore, only electricity auxiliary hot 20 is opened and blower fan 30 is out of service, until the auxiliary hot 20 surface temperature T of electricity are more than or equal to the dew-point temperature T0 of environment.
Fig. 5 C be according to second preferred embodiment of the invention and the 3rd preferred embodiment preferred embodiment prevent air-conditioning internal machine from starting shooting time the control method of dripping in electric auxiliary heat there is no a condensation time schematic diagram of air-conditioning internal machine when shutting down completely.Now, the auxiliary surface temperature T of hot 20 of electricity is more than or equal to the dew-point temperature T0 of environment, and therefore, electricity auxiliary hot 20 is closed, and air-conditioning internal machine shuts down completely.
As can be seen from above description, embodiments of the invention achieve following technique effect:
For the air-conditioning internal machine with electric auxiliary heat, supply power to after refrigerating operaton terminates electric auxiliary heat and meet the condition preventing electric auxiliary heat setting dew, when effectively can solve air-conditioning internal machine start, drip water problem.Reach and make user when cooling in summer is started shooting no longer by the object of problem puzzlement of dripping, lifting comfortableness.
Further, during electric auxiliary heat setting dew, after user's shutdown, open electric auxiliary heat, the blower fan continuous service of air-conditioning internal machine, make electric auxiliary hot surface condensation evaporate to dryness and surface temperature higher than the dew-point temperature of environment, close the blower fan of electric auxiliary heat and air-conditioning internal machine, shut down completely, the auxiliary hot burning of electricity can be prevented; When the auxiliary heat of electricity does not have a condensation, after user's shutdown, open electric auxiliary heat, make electric auxiliary hot-surface temperature higher than the dew-point temperature of environment, close electric auxiliary heat, shut down completely, can economize energy.
Electricity auxiliary heat be Variable power electricity auxiliary heat time, use less power heating, the controllability of electric auxiliary hot-surface temperature can be ensured further.
These are only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a control method of dripping when preventing air-conditioning internal machine from starting shooting, is characterized in that, described control method comprises the steps:
When air-conditioning internal machine in refrigerating operaton process receives off signal, open the auxiliary heat of electricity of air-conditioning internal machine;
Judge whether to meet the condition preventing electric auxiliary heat setting dew;
If prevent the condition of electric auxiliary heat setting dew described in meeting, close the auxiliary heat of described electricity.
2. control method of dripping when preventing air-conditioning internal machine from starting shooting according to claim 1, it is characterized in that, after the auxiliary heat of electricity of opening air-conditioning internal machine, also comprise the step judging air-conditioning internal machine whether condensation, if judged result is yes, then continue the operation of the blower fan of air-conditioning internal machine; If judged result is no, then close the blower fan of described air-conditioning internal machine.
3. control method of dripping when preventing air-conditioning internal machine from starting shooting according to claim 2, it is characterized in that, describedly judge that the step of air-conditioning internal machine whether condensation comprises: the humidity value detecting air-conditioning internal machine, judge whether this humidity value is greater than or equal to default humidity threshold, if it is air-conditioning internal machine condensation is judged, if otherwise judge that air-conditioning internal machine does not have condensation.
4. control method of dripping when preventing air-conditioning internal machine from starting shooting according to claim 2, is characterized in that, after judging air-conditioning internal machine condensation, when closing the auxiliary heat of electricity meeting the condition that prevents electric auxiliary heat setting dew, also comprises the step of the blower fan of closing air-conditioning internal machine.
5. control method of dripping when preventing air-conditioning internal machine from starting shooting according to claim 1, is characterized in that, described in prevent the condition of electric auxiliary heat setting dew from comprising time that the auxiliary heat of described electricity opens is more than or equal to predetermined amount of time t0.
6. control method of dripping when preventing air-conditioning internal machine from starting shooting according to claim 5, it is characterized in that, described predetermined amount of time t0 is calculated by the real-time parameter of described air-conditioning internal machine, and described real-time parameter comprises the dew-point temperature T0 of environment and the surface temperature T1 of described electricity auxiliary heat when air-conditioning internal machine receives off signal.
7. control method of dripping when preventing air-conditioning internal machine from starting shooting according to claim 6, it is characterized in that, described predetermined amount of time t0 is calculated as follows: t0=[MCp(T1-T0)]/P+ δ, wherein,
M is the quality of the auxiliary heat of described electricity, and unit is kg;
Cp is the thermal capacitance of the auxiliary heat of described electricity, and unit is J/(kgK);
T1 is the surface temperature of described air-conditioning internal machine described electricity auxiliary heat when receiving off signal, and unit is DEG C;
T0 is the dew-point temperature of described air-conditioning internal machine environment when receiving off signal, and unit is DEG C;
P: power during heat heating auxiliary for described electricity, unit is W;
δ: be time complexity curve coefficient, unit is s, and this time complexity curve coefficient obtains by experiment.
8. control method of dripping when preventing air-conditioning internal machine from starting shooting according to claim 1, is characterized in that, described in the surface that prevents from the condition of electric auxiliary heat setting dew from comprising judging the auxiliary heat of described electricity whether evaporate to dryness.
9. control method of dripping when preventing air-conditioning internal machine from starting shooting according to claim 1, is characterized in that, described in prevent the condition of electric auxiliary heat setting dew from comprising the auxiliary heat of described electricity surface temperature T whether be more than or equal to the dew-point temperature T0 of environment.
10. control method of dripping when preventing air-conditioning internal machine from starting shooting according to claim 1, it is characterized in that, the auxiliary heat of described electricity is the auxiliary heat of electricity of Variable power, and the step of opening the auxiliary heat of described electricity of described air-conditioning internal machine comprises makes the auxiliary heat of described electricity to be less than the power heating of rated power.
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| CN105928141A (en) * | 2016-04-27 | 2016-09-07 | 海信（山东）空调有限公司 | Method for controlling air conditioner and air conditioner |
| CN109855261A (en) * | 2019-01-10 | 2019-06-07 | 奥克斯空调股份有限公司 | A kind of control method and air conditioner of air conditioner |
| CN110057028A (en) * | 2019-04-24 | 2019-07-26 | 宁波奥克斯电气股份有限公司 | A kind of auxiliary heat of air conditioner electric removes condensation control method and air conditioner |
| CN110118418A (en) * | 2019-04-24 | 2019-08-13 | 宁波奥克斯电气股份有限公司 | A kind of auxiliary heat of air conditioner electric removes condensation control method and air conditioner |
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| CN105928141A (en) * | 2016-04-27 | 2016-09-07 | 海信（山东）空调有限公司 | Method for controlling air conditioner and air conditioner |
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| CN110057028B (en) * | 2019-04-24 | 2021-01-15 | 宁波奥克斯电气股份有限公司 | Condensation removing control method for electric auxiliary heating of air conditioner and air conditioner |
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| CN111578483B (en) * | 2020-04-21 | 2021-12-21 | 重庆海尔空调器有限公司 | Method and device for preventing condensation of air conditioner panel and air conditioner |
| CN112460763A (en) * | 2020-11-27 | 2021-03-09 | 珠海格力电器股份有限公司 | Air conditioner control method and device, storage medium and air conditioner |
| CN112460763B (en) * | 2020-11-27 | 2021-11-09 | 珠海格力电器股份有限公司 | Air conditioner control method and device, storage medium and air conditioner |
| CN115076933A (en) * | 2022-05-16 | 2022-09-20 | 宁波奥克斯电气股份有限公司 | Control method and device for preventing condensation of air conditioner and air conditioner |
| CN115076933B (en) * | 2022-05-16 | 2024-04-02 | 宁波奥克斯电气股份有限公司 | Control method and device for preventing condensation of air conditioner and air conditioner |
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