CN105627495A - Air conditioner and anti-leakage control method thereof - Google Patents
Air conditioner and anti-leakage control method thereof Download PDFInfo
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Abstract
The invention relates to an air conditioner and an anti-leakage control method thereof. The anti-leakage control method of the air conditioner comprises the steps that the water level information Ha of a condensate water pan is detected through a water level detection unit and transmitted to a control unit; and the control unit controls the operation frequency of a compressor with the water level information Ha as the control parameter. In this way, when the water level information Ha is small, the compressor operates normally, so that the refrigeration requirement is met; when the water level information Ha is increased, the compressor operates with the water level information Ha as the control parameter, so that the situation that the water level is increased excessively rapidly is avoided; when the water level information Ha reaches a certain value, the operating frequency of the compressor is controlled to be decreased, so that the amount of condensate water generated due to refrigeration is reduced, and the situation that water leakage is caused due to overflowing of generated excessive condensate water is avoided. In this way, by the adoption of the air conditioner and the anti-leakage control method thereof, the problem of water leakage of the air conditioner can be solved, and the effect that a user uses the air conditioner more comfortably can be guaranteed.
Description
Technical field
The invention belongs to air-conditioner technical field, specifically, relate to a kind of air-conditioner being prevented from leaking and control method thereof.
Background technology
Along with popularizing of air-conditioner, when using air-conditioner summer, particularly in hot and humid southern area, air-conditioner can produce substantial amounts of condensed water while refrigerating operaton, and condensation water collection is discharged by drain pipe to drip tray. But, the speed produced when condensed water has exceeded the drainability of drain pipe, or drain pipe blocking cannot proper drainage time, will overflow from drip tray after condensate water level is too high, form leaking air-conditioning phenomenon, affect user's use. Therefore, solving leaking air-conditioning is the problem that need solve. Existing solution is generally the drip tray that one volume of design is bigger, but, due to the restriction of air conditioner internal space, not easily realize, be unfavorable for the compact designed of product, and when drain pipe blocks, seepy question can not be solved. There is a method in which as when detecting that drip tray water level is too high, controlling air-conditioner and shut down, and report to the police, remind user to process, but air-conditioner cannot be used before repairing, affect user and normally use.
Summary of the invention
It is an object of the invention to provide a kind of air-conditioner water leakage preventing method, solve existing air-conditioner and when blocking, there is the technical problem of drainage at hot and humid environment or drain pipe.
For solving above-mentioned technical problem, the present invention is achieved by the following technical solutions:
A kind of air-conditioner water leakage preventing control method, described method is:
The water level information Ha of water level sensing unit detection condensate drain pan, and transmit to control unit;
Control unit is with described water level information HaAs the running frequency controlling state modulator compressor.
Further, control unit is provided with the water level higher limit H of condensate drain panmax, work as Ha> HmaxTime, described control unit controls compressor low frequency and runs and alert.
Control unit detects indoor environment temperature by temperature detecting unit, and control unit is provided with the water level lower limit H of condensate drain panmin, work as Ha��HminTime, the described control unit running frequency using indoor environment temperature as control state modulator compressor.
Work as Hmin< Ha��HmaxTime, described control unit is with indoor environment temperature and water level information HaAs the running frequency controlling state modulator compressor.
Preferably, the running frequency F of compressorn=a*Zn+b*Yn, wherein, a is temperature control coefrficient, ZnFor using indoor environment temperature as the compressor frequency output valve controlling state modulator, b is water lev el control coefficient, YnFor the compressor frequency output valve using water level information as control state modulator.
Based on the design of above-mentioned air-conditioner water leakage preventing control method, the invention allows for a kind of air-conditioner, including:
Water level sensing unit, for detecting the water level information H of condensate drain pana, and by described water level information HaTransmit to control unit;
Control unit, for according to described water level information HaControl the running frequency of compressor.
Further, air-conditioner also includes:
Temperature detecting unit, is used for detecting indoor environment temperature, and by described indoor environment temperature transmission to control unit;
Control unit, is used for receiving design temperature, and with indoor environment temperature or/and water level information HaAs the running frequency controlling state modulator compressor.
In order to remind the water level of user's drip tray to reach Hmax, air-conditioner includes alarm unit.
Preferably, water level sensing unit includes infrared distance sensor.
Compared with prior art, advantages of the present invention and have the benefit effect that the present invention pass through detection condensate drain pan water level information Ha, with water level information HaAs the running frequency controlling state modulator compressor, thus, as water level information HaTime less, compressor is properly functioning, to meet refrigeration demand, as water level information HaDuring increase, compressor operating increases water level information HaAs controlling parameter, to avoid water level excessively rapid growth, as water level information HaWhen reaching certain value, controlling compressor and reduce running frequency, to reduce the condensed water that refrigeration produces, it is to avoid produce too much condensed water, cause overflowing, formation is leaked. Thus, the present invention can either solve the problem that air-conditioner leaks, and ensure that again user uses the comfort level of air-conditioning.
After reading in conjunction with the accompanying the detailed description of embodiment of the present invention, the other features and advantages of the invention will become clearer from.
Accompanying drawing explanation
Fig. 1 is the flow chart of the specific embodiment of the invention 1.
Fig. 2 is the theory diagram of the specific embodiment of the invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.
The present invention proposes a kind of air-conditioner water leakage preventing control method, using the height of water level Ha in condensate drain pan as controlling parameter, control the running frequency of compressor, thus control produce condensation water quantity number, avoid leaking, below by instantiation, the implementation of the present invention is specifically described:
The present embodiment proposes a kind of air-conditioner water leakage preventing control method, as it is shown in figure 1, the control method of the present embodiment comprises the steps:
S1, air-conditioner are opened, and enter refrigeration mode and run.
In cooling mode, control unit receives design temperature, indoor environment temperature is also transmitted to control unit by temperature detecting unit detection indoor environment temperature, control unit carries out pid algorithm or other algorithms according to indoor environment temperature and calculates compressor operating frequency, and controls compressor and should run under frequency mutually.
The water level information H of S2, water level sensing unit detection condensate drain pana, and by water level information HaTransmit to control unit.
S3, control unit are by the water level information Ha and water level higher limit H of detectionmaxWith water level lower limit HminCompare.
S4, judge Ha��HminIf so, step S5 is entered; If it is not, enter step S6.
S5, the control unit running frequency using indoor environment temperature as control state modulator compressor.
Control unit carries out pid algorithm or other algorithms according to indoor environment temperature and calculates compressor operating frequency, and controls compressor and run under corresponding frequencies.
S6, judge Hmin< Ha��HmaxIf so, step S7 is entered; If it is not, enter step S8.
S7, control unit are with indoor environment temperature and water level information HaAs the running frequency controlling state modulator compressor.
The running frequency F of compressorn=a*Zn+b*Yn, wherein, a is temperature control coefrficient, ZnFor using indoor environment temperature as the compressor frequency output valve controlling state modulator, b is water lev el control coefficient, YnFor the compressor frequency output valve using water level information as control state modulator.
S8, control unit control compressor low frequency and run and alert.
The present embodiment adopts that indoor environment temperature, water level information are two-parameter carries out PID control, specifically described below:
The PID adopting indoor environment temperature controls process:
Deviation Pn=(indoor environment temperature-design temperature) * 10 freezes
This time poor D of deviationn=Pn(this time deviation)-Pn-1(preceding deviation)
The poor D of preceding deviationn-1=Pn-1(preceding deviation)-Pn-2(front preceding deviation)
Output factor Out_gaina
Proportional coefficient Kpa
Integral coefficient Kia
Differential coefficient Kda
Ratio controlled quentity controlled variable HzKpa
Integration control amount HzKia
Differential controlled quentity controlled variable HzKda
Output HzoutZ after output correctionn
Output HzoutZ after output correction last timen-1
Output Hzoutf after filtrationa
Previous controlled quentity controlled variable Zn-1
This time controlled quentity controlled variable Zn
HzKpa=Kpa*Dn
HzKia=Kia*Pn
HzKda=Kda* (Dn-Dn-1)
��Zn=HzKpa+ HzKia+ HzKda
HzoutZn=Out_gaina*��Zn
Hzoutfa=(HzoutZn+(HzoutZn-1*2))/3
Zn=Zn-1+Hzoutfa
The PID adopting water level information controls process:
Water level deviation He=Hs(normal water level)-Ha(current level)
This water level deviation Sn=He(water level deviation)-He-1(water level deviation last time)
Output factor Out-_gainb
Proportional coefficient Kpb
Integral coefficient Kib
Differential coefficient Kdb
Ratio controlled quentity controlled variable HzKpb
Integration control amount HzKib
Differential controlled quentity controlled variable HzKdb
Output HzoutX after output correctionn
Output HzoutX after output correction last timen-1
Output Hzoutf after filtrationb
Previous controlled quentity controlled variable Zn-1
This time controlled quentity controlled variable Zn
HzKpb=Kpb*Sn
HzKib=Kib*He
HzKdb=Kdb*(Sn-Sn-1)
��Xn=HzKpb+HzKib+HzKdb
HzoutXn=Out_gainb*��Xn
Hzoutfb=(HzoutXn+HzoutXn-1+HzoutXn-2)/3HzoutfbFor water level offset;
Yn=Yn-1+Hzoutfb
Thus, the running frequency of compressor is controlled as control parameter by indoor environment temperature and water level information, i.e. Fn=a*Zn+b*Yn. The refrigeration demand of indoor can be met on the one hand, can ensure that the condensed water of drip tray does not spill on the other hand.
Based on the design of above-mentioned air-conditioner water leakage preventing control method, the present embodiment also proposed a kind of air-conditioner, as in figure 2 it is shown, the air-conditioner of the present embodiment includes:
Water level sensing unit, for detecting the water level information H of condensate drain pana, and by water level information HaTransmit to control unit; Wherein, water level sensing unit preferably employs infrared distance sensor, can improve water level detecting precision.
Temperature detecting unit, is used for detecting indoor environment temperature, and by described indoor environment temperature transmission to control unit;
Control unit, for receiving remote controller or controlling the design temperature that button sends, for receiving the water level information H that water level sensing unit sendsa, the indoor environment temperature that sends of temperature detecting unit, and according to indoor environment temperature or/and water level information HaAs the running frequency controlling state modulator compressor.
Control unit is provided with the water level higher limit H of condensate drain panmaxWith water level lower limit Hmin��
Work as Ha> HmaxTime, control unit controls compressor low frequency and runs and alert.
Work as Hmin< Ha��HmaxTime, control unit is according to indoor environment temperature and water level information HaAs the running frequency controlling state modulator compressor.
Work as Ha��HminTime, the control unit running frequency using indoor environment temperature as control state modulator compressor.
Alarm unit, for reminding the water level of user's drip tray to reach Hmax��
Last it is noted that above example is only in order to illustrate technical scheme, it is not intended to limit; Although the present invention being described in detail with reference to previous embodiment, it will be understood by those within the art that: the technical scheme described in foregoing embodiments still can be modified by it, or wherein portion of techniques feature is carried out equivalent replacement; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (9)
1. an air-conditioner water leakage preventing control method, it is characterised in that described method is:
The water level information H of water level sensing unit detection condensate drain pana, and transmit to control unit;
Control unit is with described water level information HaAs the running frequency controlling state modulator compressor.
2. air-conditioner water leakage preventing control method according to claim 1, it is characterised in that: described control unit is provided with the water level higher limit H of condensate drain panmax, work as Ha> HmaxTime, described control unit controls compressor low frequency and runs and alert.
3. air-conditioner water leakage preventing control method according to claim 2, it is characterised in that: described control unit detects indoor environment temperature by temperature detecting unit, and described control unit is provided with the water level lower limit H of condensate drain panmin, work as Ha��HminTime, the described control unit running frequency using indoor environment temperature as control state modulator compressor.
4. air-conditioner water leakage preventing control method according to claim 3, it is characterised in that: work as Hmin< Ha��HmaxTime, described control unit is using indoor environment temperature and water level information Ha as the running frequency controlling state modulator compressor.
5. air-conditioner water leakage preventing control method according to claim 4, it is characterised in that: the running frequency F of compressorn=a*Zn+b*Yn, wherein, a is temperature control coefrficient, ZnFor using indoor environment temperature as the compressor frequency output valve controlling state modulator, b is water lev el control coefficient, YnFor the compressor frequency output valve using water level information as control state modulator.
6. an air-conditioner, it is characterised in that: described air-conditioner includes:
Water level sensing unit, for detecting the water level information H of condensate drain pana, and by described water level information HaTransmit to control unit;
Control unit, for according to described water level information HaControl the running frequency of compressor.
7. air-conditioner according to claim 6, it is characterised in that: described air-conditioner includes:
Temperature detecting unit, is used for detecting indoor environment temperature, and by described indoor environment temperature transmission to control unit;
Control unit, is used for receiving design temperature, and according to indoor environment temperature or/and water level information HaAs the running frequency controlling state modulator compressor.
8. air-conditioner according to claim 6, it is characterised in that: described air-conditioner includes alarm unit.
9. air-conditioner according to claim 6, it is characterised in that: described water level sensing unit includes infrared distance sensor.
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| CN201410590093.8A CN105627495B (en) | 2014-10-29 | 2014-10-29 | A kind of air conditioner and its leakproof water controling method |
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Cited By (8)
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| CN107842983A (en) * | 2017-11-14 | 2018-03-27 | 珠海格力电器股份有限公司 | Water receiving disc mechanism, air-conditioning and its control method |
| CN109556246A (en) * | 2018-10-25 | 2019-04-02 | 珠海格力电器股份有限公司 | A kind of method and unit reducing unit condensed water |
| CN109579231A (en) * | 2018-11-20 | 2019-04-05 | 宁波奥克斯电气股份有限公司 | A kind of drip tray fault detection and control method and device |
| CN111720969A (en) * | 2020-06-16 | 2020-09-29 | 海信（山东）空调有限公司 | Air conditioner and control method thereof |
| CN112032962A (en) * | 2020-08-14 | 2020-12-04 | 海信（山东）空调有限公司 | Mobile air conditioner control method and mobile air conditioner with same |
| CN112032963A (en) * | 2020-08-14 | 2020-12-04 | 海信（山东）空调有限公司 | Mobile air conditioner control method and mobile air conditioner with same |
| CN112944636A (en) * | 2021-03-08 | 2021-06-11 | 珠海格力电器股份有限公司 | Control method and device of air conditioner, storage medium and processor |
| CN113091206A (en) * | 2021-03-09 | 2021-07-09 | 青岛海尔空调器有限总公司 | Control method and device for air conditioner and air conditioner |
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| CN107842983A (en) * | 2017-11-14 | 2018-03-27 | 珠海格力电器股份有限公司 | Water receiving disc mechanism, air-conditioning and its control method |
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| CN112032962A (en) * | 2020-08-14 | 2020-12-04 | 海信（山东）空调有限公司 | Mobile air conditioner control method and mobile air conditioner with same |
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| CN112944636A (en) * | 2021-03-08 | 2021-06-11 | 珠海格力电器股份有限公司 | Control method and device of air conditioner, storage medium and processor |
| CN113091206A (en) * | 2021-03-09 | 2021-07-09 | 青岛海尔空调器有限总公司 | Control method and device for air conditioner and air conditioner |
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