CN105352163B - Air-conditioning drainage system, water discharge control method and air-conditioning internal machine - Google Patents
Air-conditioning drainage system, water discharge control method and air-conditioning internal machine Download PDFInfo
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- CN105352163B CN105352163B CN201510873956.7A CN201510873956A CN105352163B CN 105352163 B CN105352163 B CN 105352163B CN 201510873956 A CN201510873956 A CN 201510873956A CN 105352163 B CN105352163 B CN 105352163B
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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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
- F24F13/222—Means for preventing condensation or evacuating condensate for evacuating condensate
-
- 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
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2140/00—Control inputs relating to system states
- F24F2140/30—Condensation of water from cooled air
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a kind of air-conditioning drainage systems, it includes water storage device, control device and the draining water pump and liquid level detection device being connected with the control device, wherein, the liquid level detection device includes the first liquid level detection device and the second liquid level detection device, and there are differences in height for the installation site of the first liquid level detection device and the second liquid level detection device, so that the liquid level upper limit of first liquid level detection device is not higher than the liquid level lower limit of second liquid level detection device.Air-conditioning drainage system of the invention keeps the water level detecting of air conditioner condensate water more accurate, is conducive to the movement for more reasonably controlling water pump, to improve the control precision to water pump.The invention also discloses the water discharge control method of the air-conditioning drainage system and air-conditioning internal machines.
Description
Technical field
The present invention relates to air-conditioning technical fields, and in particular to a kind of air-conditioning drainage system.The invention further relates to the air-conditionings
The water discharge control method and air-conditioning internal machine of drainage system.
Background technique
Air-conditioning inevitably leads to the generation of condensed water, if these water when refrigeration in air-conditioning internal machine
It can not be excluded in time from unit, eventually overflow unit because condensed water gathers excessive, air-conditioning internal machine is caused to drip
Or the problem of leak, it causes damages to user and inconvenient.Therefore, air-conditioning internal machine would generally carry discharge outlet, lean on gravity will
Water discharge the position lower than air-conditioning internal machine by drainpipe, such as is discharged to outdoor.However, having due to the limitation of installation environment
When need to exclude condensed water to higher than air-conditioning internal machine installation site place, just needs are carried out by water pump in this case
Draining.In the prior art, by taking air-cooled ducted air conditioner as an example, draining mostly uses DC water pump or exchange water pump, and is mainly opened by liquid level
Detection liquid level is closed, and converts liquid level to after electric signal and feeds back to mainboard, mainboard is according to obtained signal combination air-conditioning control
Logic processed sends switch order to water pump.
However, the problem of air-conditioning drainage system of the prior art is easy to appear water pump idle running or draining not in time, also,
The control for draining water pump in the prior art is affected by air conditioning operating mode, and precision is not high.The reason is that, the prior art
The liquid-level switch of air-conditioning drainage system is thus more extensive to the control of water pump only there are two signaling point, generally when liquid level is opened
It closes after reaching upper limit level operating point and continuing for some time, starting of air conditioner water pump simultaneously reports water completely to protect failure；Work as liquid-level switch
When reaching bottom limit level recovery point, water pump persistently draws water again to be stopped after a period of time or directly stops.This control mode needs
Water pump start and stop are controlled together in conjunction with air conditioning operating mode and control logic, and water pump control logic is to air conditioning operating mode and failure shape
It is excessive that state relies on condition.This leads to the control logic complexity of draining and reliability is lower, especially air-conditioning malfunction and shutdown
When state, the control of water pump is not accurate enough.For example, if water pump also stops working after air-conditioning is shut down, if the air hose when shutting down
Machine evaporator freezes, then a large amount of water can be generated again after the ice-out on evaporator, it is possible to leading to air-conditioning internal machine
Spilling water；And if water pump stops working again after delay a period of time after shutting down, when shutting down in normal conditions, after shutdown not
There can be condensed water generation again, but water pump operates always, on the one hand such case can generate noise, on the other hand also result in the energy
Waste.
Therefore it provides it is a kind of can more accurately sensed water level to which the air-conditioner drain system of draining water pump be more finely controlled
System and its water discharge control method, are one of the targets that those skilled in the art is pursued all the time.
Summary of the invention
In view of the above status of the prior art, the main purpose of the present invention is to provide a kind of air-conditioning drainage system, energy
Enough water levels for more accurately detecting condensed water, with the movement for controlling water pump, to improve the control precision to water pump.
Above-mentioned purpose is achieved through the following technical solutions:
A kind of air-conditioning drainage system comprising water storage device, control device and the draining being connected with the control device
Water pump and liquid level detection device, wherein the liquid level detection device includes that the first liquid level detection device and the second level sensing fill
It sets, and there are differences in height for the installation site of the first liquid level detection device and the second liquid level detection device, so that first liquid
The liquid level upper limit of level detecting apparatus is not higher than the liquid level lower limit of second liquid level detection device.
Preferably, first liquid level detection device and the second liquid level detection device are float type level switch.
Preferably, the float type level switch includes tongue tube.
Preferably, the control device is configured to fill according only to first liquid level detection device and the second level sensing
The start and stop for the liquid level signal control draining water pump set.
The water discharge control method for being designed to provide aforementioned air-conditioning drainage system of another aspect of the present invention comprising step
It is rapid:
S1: the liquid level signal of liquid level detection device is read；
S2: if the liquid level signal of any of the first liquid level detection device and second liquid level detection device indicates in liquid level
Limit then controls draining water pump and opens, then return step S1；Alternatively, if the first liquid level detection device and the second liquid level detection device
Liquid level signal indicate liquid level lower limit, then control draining water pump and close or inoperative, then return step S1.
Preferably, in step S2, if the liquid level signal of the first liquid level detection device indicates the liquid level upper limit, and the second liquid level is examined
The liquid level signal for surveying device indicates liquid level lower limit, then only control draining water pump is opened.
Preferably, in step S2, if the liquid level signal of the first liquid level detection device indicates the liquid level upper limit, and the second liquid level is examined
The liquid level signal for surveying device indicates the liquid level upper limit, then controls draining water pump and open, while user being notified to check drainage system.
Preferably, in step S2, if the liquid level signal of the first liquid level detection device indicates liquid level lower limit, and the second liquid level is examined
The liquid level signal for surveying device indicates the liquid level upper limit, then controls draining water pump and open, while user being notified to check drainage system and liquid level
Detection device.
Preferably, in the case where draining pump operation, when air-conditioning shutdown, control draining water pump remains in operation, until
The liquid level signal of first liquid level detection device and the second liquid level detection device indicates liquid level lower limit.
Another aspect of the invention is designed to provide a kind of air-conditioning internal machine comprising mentioned-above air-conditioner drain
System or its using mentioned-above water discharge control method carry out draining control.
Air-conditioning drainage system of the invention keeps the water level detecting of air conditioner condensate water more accurate, is conducive to more reasonably control
The movement of water pump, to improve the control precision to water pump.Air-conditioning drainage system of the invention is easy in the prior art convenient for overcoming
The problem of water pump of appearance dallies or drains not in time, and the control of water pump can be made not influenced by air conditioning operating mode.
Water discharge control method of the invention only uses the signal of liquid-level switch to control water pump start and stop, largely ensure that water
Pump does not dally, spilling water does not also occur for air-conditioning.The water discharge control method makes full use of two liquid-level switches to carry out complex controll, directly
Simple logic control water pump start and stop are used by four signaling points of liquid-level switch, make water pump action part and operation of air conditioner portion
The logic divided is relatively independent, non-interference, reduces the complexity of water pump control logic, avoids mutual interference and mistake
The problems such as judgement, improves the reliability and accuracy of water pump control.
Detailed description of the invention
Hereinafter reference will be made to the drawings to the preferred embodiment of air-conditioning drainage system according to the present invention and water discharge control method
It is described.In figure:
Fig. 1 is the schematic diagram of air-conditioning drainage system of the invention；
Fig. 2 is the control logic figure of the water discharge control method of air-conditioning drainage system of the invention.
Specific embodiment
For the status of the prior art, an aspect of of the present present invention provides a kind of air-conditioning drainage system, such as sky
Machine in adjusting, to exclude the condensed water gathered.
As shown in Figure 1, the air-conditioning drainage system includes water storage device (such as drip tray or water receiving tank) 1, control device (example
Such as control mainboard) 2 and the draining water pump 3 and liquid level detection device that are connected with the control device 2, liquid level detection device
Lead-out wire and water pump line are connect with the interface of control mainboard.Wherein, liquid level detection device is used to detect the liquid in water storage device 1
Position, draining water pump 3 is then for excluding the condensed water in water storage device 1 under the control of control device 2.
It is with the main distinction of prior art air-conditioning drainage system, liquid level detection device of the invention includes the first liquid level
Detection device (such as liquid-level switch one) 4 and the second liquid level detection device (such as liquid-level switch two) 5, also, the two liquid levels
Detection device is mounted to the presence of difference in height between each other, such as makes the liquid level upper limit of first liquid level detection device 4 not high
In the liquid level lower limit of second liquid level detection device 5.Preferably, which makes the liquid level of the first liquid level detection device 4
The upper limit and the liquid level lower limit of the second liquid level detection device 5 are contour.
By the way that there are two liquid level detection devices of difference in height in setting installation site, and four letters provided using them
Number point judges liquid level (as shown in Figure 1, liquid level one, liquid level two, liquid level three, when the liquid level upper limit and the of the first liquid level detection device 4
When the liquid level lower limit of two liquid level detection devices 5 is not contour, liquid level two will be a range), level sensing can be made more accurate,
To more accurate to the control of water pump reasonable.
For example, when two liquid level detection devices export liquid level lower limit, that is, liquid-level switch one indicates that current level is
Liquid level one, liquid-level switch two indicate that current level is liquid level two, at this time it is considered that actual liquid level is no more than liquid level one (for low liquid
Position), without starting draining water pump, so as to avoid water pump idle running.
When the first liquid level detection device exports the liquid level upper limit, and the second liquid level detection device exports liquid level lower limit, that is, liquid
Bit switch one and liquid-level switch two indicate that current level is liquid level two, at this time it is believed that actual liquid level is liquid level two (for centre
Liquid level), draining water pump should be started at this time and drained, to prevent liquid level from continuing to increase.
When two liquid level detection devices export the liquid level upper limit, that is, liquid-level switch one indicates that current level is liquid level
Two, liquid-level switch two indicate current level be liquid level three, at this time it is believed that actual liquid level not less than liquid level three (for guard against liquid level,
It is easy to overflow after being more than), draining water pump should be started immediately at this time and drained, while being considered as drainage system with the presence or absence of event
Barrier, because liquid level should not reach liquid level three in the case where drainage system is working properly.
When the first liquid level detection device exports liquid level lower limit, and the second liquid level detection device exports the liquid level upper limit, that is, liquid
Bit switch one indicates that current level is liquid level one, the instruction current level of liquid-level switch two is liquid level three, this clearly contradicted feelings
Shape shows that at least one liquid-level switch has broken down, to can not judge actual liquid level.Due to temporarily cannot specifically determine event
The liquid-level switch of barrier should also start draining water pump immediately at this time and be drained, and should check the liquid-level switch place of failure immediately,
Also being considered as drainage system simultaneously, (if if two fault-free of liquid-level switch, then liquid level has reached or is more than with the presence or absence of failure
Liquid level is guarded against, shows that drainage system is likely to also existing failure).
Therefore, by rationally utilizing two liquid-level switch liquid level informations, also enable air-conditioning drainage system of the invention
The problem of being largely overcoming water pump idle running and draining not in time.
Preferably, first liquid level detection device 4 and the second liquid level detection device 5 are float type level switch, for example,
Preferably include tongue tube.Such as shown in Figure 1, liquid-level switch one and liquid-level switch two are float type level switch, wherein liquid
The floating ball of bit switch one can float between position A and position B, so that the liquid level upper limit is exported in position A, it is defeated when B in position
Liquid level lower limit out；The floating ball of liquid-level switch two can then float between position C and position D, to export in liquid level in position C
Limit, exports liquid level lower limit when D in position.By determining the mounting height of two liquid-level switches, then control logic is easily determined
Required three liquid levels.
Preferably, as described above, in air-conditioning drainage system of the invention, the control device 2 can be configured to only root
The start and stop of draining water pump 3, and nothing are controlled according to the liquid level signal of first liquid level detection device 4 and the second liquid level detection device 5
It need to consider the operational mode of air-conditioning.Therefore, using when air-conditioning drainage system of the invention to draining water pump control can be no longer
It is influenced by air conditioning operating mode, precision can increase accordingly, and the complexity of control logic can be decreased obviously.
Another aspect provides the water discharge control methods of aforementioned air-conditioning drainage system, and control logic figure is as schemed
Shown in 2.The water discharge control method comprising steps of
S1: the liquid level signal of liquid level detection device is read；
S2: if the liquid level signal of any of the first liquid level detection device and second liquid level detection device indicates in liquid level
Limit then controls draining water pump and opens, then return step S1；Alternatively, if the first liquid level detection device and the second liquid level detection device
Liquid level signal indicate liquid level lower limit, then control draining water pump close it is or inoperative (when this (when being before this operating condition)
It is preceding when being also inoperative state), then return step S1.
Preferably, in step S2, if the liquid level signal of the first liquid level detection device indicates the liquid level upper limit, and the second liquid level is examined
The liquid level signal for surveying device indicates liquid level lower limit, then only control draining water pump is opened.
Preferably, in step S2, if the liquid level signal of the first liquid level detection device indicates the liquid level upper limit, and the second liquid level is examined
The liquid level signal for surveying device indicates the liquid level upper limit, then controls draining water pump and open, while user being notified to check drainage system.
Preferably, in step S2, if the liquid level signal of the first liquid level detection device indicates liquid level lower limit, and the second liquid level is examined
The liquid level signal for surveying device indicates the liquid level upper limit, then controls draining water pump and open, while user being notified to check drainage system and liquid level
Detection device.
Preferably, in the case where draining pump operation, when air-conditioning shutdown, control draining water pump remains in operation, until
The liquid level signal of first liquid level detection device and the second liquid level detection device indicates liquid level lower limit.
Therefore, no matter air-conditioning is run or standby under any mode, and water pump controls the detection for being completely dependent on liquid-level switch
Signal carries out start and stop, is not in idle running, spilling water will not occurs.
Below in conjunction with the preferred embodiment of Fig. 2 water discharge control method that the present invention will be described in detail.
Air-conditioning obtain it is electric in the case where, no matter which kind of operational mode air-conditioning is in, all directly detect liquid-level switch float position,
And it is control as follows to divide situation to carry out:
(1) when one float position of liquid-level switch is in B point (liquid level lower limit), two float position of liquid-level switch is in D point (liquid
Position lower limit), it can determine whether that air-conditioning internal machine drip tray liquid level is not transported at this time not higher than the liquid level one (low liquid level) in Fig. 1, water pump at this time
Turn；
(2) when one float position of liquid-level switch is in A point (the liquid level upper limit), two float position of liquid-level switch is in D point (liquid
Position lower limit), it can determine whether that air-conditioning internal machine drip tray liquid level is in the liquid level two (intermediate liquid level) in Fig. 1 at this time, water pump should be opened at this time
Draining is opened, it is excessively high to avoid liquid level；
(3) when one float position of liquid-level switch is in A point (the liquid level upper limit), two float position of liquid-level switch is in C point (liquid
The position upper limit), it can determine whether that air-conditioning internal machine drip tray liquid level is not less than the liquid level three (warning liquid level) in Fig. 1 at this time, on the one hand, water pump
Draining should be opened at this time and guarantees lasting draining, reduce the possibility of air-conditioning spilling water, on the other hand, Ying Tongzhi user reports for repairment or examines in time
Drainage system is looked into, finds out and is unable to the reason that proper drainage causes detection liquid level excessively high；
(4) when one float position of liquid-level switch is in B point (liquid level lower limit), two float position of liquid-level switch is in C point (liquid
The position upper limit), due to clearly contradicted, it is abnormal to can determine whether that the liquid level of liquid-level switch detection at this time occurs, can preliminary judgement necessarily have to
An a possibility that few liquid-level switch damages, and air-conditioning internal machine drip tray liquid level is higher than liquid level three (the warning liquid level) in Fig. 1
It is larger, on the one hand, water pump should open draining at this time and guarantee lasting draining, reduce the possibility of air-conditioning spilling water, on the other hand, Ying Tongzhi
User reports or checks in time drainage system for repairment, checks the reason of detection liquid level exception；
(5) once water pump starts running, the case where exiting operating again have to meet simultaneously (1) dotted state (even if
In standby mode): i.e. one float position of liquid-level switch is in B point (liquid level lower limit) and two float position of liquid-level switch is in D point
(liquid level lower limit) can determine whether that air-conditioning internal machine drip tray liquid level not higher than the liquid level one (low liquid level) in Fig. 1, at this time may be used by water pump at this time
To shut down, noise caused by dallying and energy waste are avoided.
Water discharge control method of the invention makes air conditioner condensate water water level using the movement of double liquid level switch control draining water pump
Detect more accurate, the action control of water pump is more reasonable.No matter air-conditioning is run under any situation or because of disorderly closedown, all only
Water pump start and stop are controlled with level switch signal, guarantee that air-conditioning does not generate spilling water, water pump idle running, which will not occur, to be caused to generate exception
Noise and cause energy waste.
Water discharge control method of the invention makes full use of two liquid-level switches to carry out complex controll, directly passes through liquid-level switch
Four signaling points use relatively simple logic control water pump start and stop, make the logic of water pump action part Yu operation of air conditioner part
It is relatively independent, it is non-interference, the complexity of water pump control logic is reduced, mutual interference and erroneous judgement etc. is avoided and asks
Topic improves the reliability and accuracy of water pump control.
Another aspect of the invention additionally provides a kind of air-conditioning internal machine comprising mentioned-above air-conditioning drainage system,
Or it carries out draining control using water discharge control method noted earlier.
Preferably, air-conditioning internal machine of the invention is air-cooled ducted air conditioner, cabinet-type air conditioner or wall-hanger.
The problem of air-conditioning internal machine of the invention dallies or drains not in time there is no water pump reduces noise and energy wave
Take.
Those skilled in the art will readily recognize that above-mentioned each preferred embodiment can be free under the premise of not conflicting
Ground combination, superposition.
It should be appreciated that above-mentioned embodiment is merely exemplary, and not restrictive, without departing from of the invention basic
In the case where principle, those skilled in the art can be directed to the various apparent or equivalent modification or replace that above-mentioned details is made
It changes, is all included in scope of the presently claimed invention.
Claims (10)
1. a kind of air-conditioning drainage system comprising water storage device, control device and the water drain being connected with the control device
Pump and liquid level detection device, which is characterized in that the liquid level detection device includes that the first liquid level detection device and the second liquid level are examined
Device is surveyed, each detection device provides a upper limit signal and a low-limit signal, has between the upper limit and lower limit
Certain distance, and there are differences in height for the installation site of the first liquid level detection device and the second liquid level detection device, so that described
The liquid level upper limit of first liquid level detection device is not higher than the liquid level lower limit of second liquid level detection device, by determining two institutes
The mounting height for stating liquid level detection device determines three or four liquid levels required for control logic.
2. air-conditioning drainage system according to claim 1, which is characterized in that first liquid level detection device and the second liquid
Level detecting apparatus is float type level switch.
3. air-conditioning drainage system according to claim 2, which is characterized in that the float type level switch includes dry spring
Pipe.
4. air-conditioning drainage system described in one of -3 according to claim 1, which is characterized in that the control device is configured to only
The start and stop of draining water pump are controlled according to the liquid level signal of first liquid level detection device and the second liquid level detection device.
5. the water discharge control method of air-conditioning drainage system described in one of -4 according to claim 1, which is characterized in that including step
It is rapid:
S1: the liquid level signal of liquid level detection device is read；
S2: if the liquid level signal of any of the first liquid level detection device and second liquid level detection device indicates the liquid level upper limit,
It then controls draining water pump to open, then return step S1；Alternatively, if the liquid of the first liquid level detection device and the second liquid level detection device
Position signal indicates liquid level lower limit, then controls draining water pump closing or inoperative, then return step S1.
6. water discharge control method according to claim 5, which is characterized in that in step S2, if the first liquid level detection device
Liquid level signal indicate the liquid level upper limit, and the second liquid level detection device liquid level signal indicate liquid level lower limit, then only control draining
Water pump is opened.
7. water discharge control method according to claim 5, which is characterized in that in step S2, if the first liquid level detection device
Liquid level signal indicate the liquid level upper limit, and the second liquid level detection device liquid level signal indicate the liquid level upper limit, then control water drain
Pump is opened, while user being notified to check drainage system.
8. water discharge control method according to claim 5, which is characterized in that in step S2, if the first liquid level detection device
Liquid level signal indicate liquid level lower limit, and the second liquid level detection device liquid level signal indicate the liquid level upper limit, then control water drain
Pump is opened, while user being notified to check drainage system and liquid level detection device.
9. the water discharge control method according to one of claim 5-8, which is characterized in that the case where draining pump operation
Under, when air-conditioning shutdown, control draining water pump remains in operation, until the first liquid level detection device and the second liquid level detection device
Liquid level signal indicates liquid level lower limit.
10. a kind of air-conditioning internal machine, which is characterized in that it includes air-conditioning drainage system described in one of claim 1-4, Huo Zheqi
Draining control is carried out using water discharge control method described in one of claim 5-9.
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN206204637U (en) * | 2016-07-20 | 2017-05-31 | 青岛海尔洗衣机有限公司 | A kind of device for reducing condensing tumble drier drainage noise |
| CN109386929A (en) * | 2018-09-30 | 2019-02-26 | 珠海格力电器股份有限公司 | A kind of leakproof water controling method, device, storage medium and the air-conditioning of air-conditioning |
| CN110701030B (en) * | 2019-09-19 | 2020-11-06 | 海信（山东）空调有限公司 | Air conditioner water pump control device and control method |
| CN114084355A (en) * | 2021-11-22 | 2022-02-25 | 中国商用飞机有限责任公司 | High-pressure water separator, control method thereof and storage medium |
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| CN103090460A (en) * | 2011-11-07 | 2013-05-08 | 华为技术有限公司 | Method and device for discharging condensate water for heating, ventilating or air conditioning system |
| CN203068765U (en) * | 2013-02-01 | 2013-07-17 | 中国轻工业南宁设计工程有限公司 | Collection, recovery and utilization system of air conditioner condensation water |
| CN104236035A (en) * | 2013-06-08 | 2014-12-24 | 珠海格力电器股份有限公司 | Water tank, air conditioner with water tank and treatment method of air conditioning condensate water |
| JP2015099036A (en) * | 2013-11-18 | 2015-05-28 | 栢輝 陳 | Automatic drainage system with liquid level controller |
| CN203731641U (en) * | 2014-03-18 | 2014-07-23 | 南京华设科技股份有限公司 | Air conditioner condensate water up draining system |
| CN104199471A (en) * | 2014-09-03 | 2014-12-10 | 北京斯钛诺水技术开发有限责任公司 | Automatic ball float type liquid level control system |
| CN204358931U (en) * | 2014-11-27 | 2015-05-27 | 国家电网公司 | A kind of air conditioner condensate water is collected and tapping equipment |
| CN205156152U (en) * | 2015-12-02 | 2016-04-13 | 珠海格力电器股份有限公司 | Air conditioner drainage system and have its air conditioner internal unit |
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