CN104265612A - Water pump control method - Google Patents
Water pump control method Download PDFInfo
- Publication number
- CN104265612A CN104265612A CN201410387727.XA CN201410387727A CN104265612A CN 104265612 A CN104265612 A CN 104265612A CN 201410387727 A CN201410387727 A CN 201410387727A CN 104265612 A CN104265612 A CN 104265612A
- Authority
- CN
- China
- Prior art keywords
- water pump
- air
- water
- equipment
- control method
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/02—Stopping, starting, unloading or idling control
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Positive-Displacement Pumps (AREA)
- Air Conditioning Control Device (AREA)
- Control Of Non-Positive-Displacement Pumps (AREA)
Abstract
The invention provides a water pump control method. The water pump control method comprises the steps of detection: detecting a water yield of equipment equipped with a water pump via a temperature sensor and a humidity sensor, and control: turning on the water pump if the water yield of the equipment is greater than or equal to a first preset value, and turning off the water pump if the water yield of the equipment is less than the first preset value. According to the invention, the water pump can start to operate when needed; the problem of high power consumption due to operation of the water pump all the time is avoided; in addition, heat dissipation of the water pump is also facilitated due to alternate operation of the water pump; the service life of the water pump is prolonged; and a failure rate of the water pump is reduced.
Description
Technical field
The present invention relates to air conditioner technical field, more specifically, relate to a kind of water pump control method.
Background technique
The water pump that water in water receiving disc got rid of by existing air-conditioning runs when freezing and remove wet cooling condition always, and power consumption is large, and Long-Time Service after the meeting, and water pump heating is serious, and the lost of life, rate of fault is high.
Summary of the invention
The present invention aims to provide a kind of water pump control method that can provide water pump working life.
For solving the problems of the technologies described above, the invention provides a kind of water pump control method, water pump control method comprises: detecting step: utilize temperature transducer and humidity transducer to detect the water yield being provided with the equipment of water pump; Rate-determining steps: if the water yield of equipment is more than or equal to the first predefined value, then open water pump, if the water yield of equipment is less than the first predefined value, then switches off the pump.
Further, detecting step comprises: step S1: the import wet air specific volume of detection facility; Step S2: the outlet wet air specific volume of detection facility; Step S3: the mass flow rate determining the air flowed out from equipment according to import wet air specific volume and outlet wet air specific volume; Step S4: the water yield determining equipment.
Further, temperature transducer comprises inlet air temperature sensor, and humidity transducer comprises inlet air humidity transducer, and step S1 comprises: the air inlet water content utilizing inlet air humidity transducer detection facility; Utilize the intake temperature of inlet air temperature sensor detection facility; According to air inlet water content and intake temperature determination import wet air specific volume.
Further, following formula determination import wet air specific volume is utilized:
Wherein, v
1import wet air specific volume, R
adry air gas constant, T
1intake temperature, d
1air inlet water content, P
bit is atmospheric pressure constant.
Further, in step s3, the mass flow rate of air utilizes following formula to determine:
Wherein, v
1import wet air specific volume, V
aoutlet wet air specific volume, G
mit is the mass flow rate of air.
Further, humidity transducer also comprises exhaust air humidity sensor, and step S4 comprises: the water content of giving vent to anger utilizing exhaust air humidity sensor detection facility; According to the water yield of the mass flow rate determination equipment of water content of giving vent to anger, air inlet water content and air.
Further, the water yield of equipment is determined according to following formula:
M
1＝(d
2-d
1)×G
m
Wherein, M
1for the water yield of equipment, d
1air inlet water content, d
2water content of giving vent to anger, G
mit is the mass flow rate of air.
Further, in rate-determining steps: when water yield is more than or equal to the first predefined value, open water pump at least 20 seconds; When water yield is less than the first predefined value, stop water pump at least 60 seconds.
Further, the first predefined value equals the value after the backflow water yield that least quantity that water pump starts draining deducts in equipment in waste pipe.
Further, equipment is air conditioner or dehumidifier.
Apply technological scheme of the present invention, the opening and closing of water yield to water pump according to the equipment with water pump control, water pump can be made just to start working when needs, avoid water pump to run the appearance of the high problem of power consumption always, in addition, make pump house also be convenient to water pump heat radiation every operation, improve the working life of water pump, reduce the rate of fault of water pump.
Accompanying drawing explanation
The accompanying drawing forming a application's part 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 diagrammatically illustrates the control logic figure of water pump control method of the present invention.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are described in detail, but the multitude of different ways that the present invention can be defined by the claims and cover is implemented.
Shown in Figure 1, according to embodiments of the invention, provide a kind of water pump control method.This water pump control method comprises detecting step and rate-determining steps.Wherein, detecting step utilizes temperature transducer and humidity transducer to detect the water yield being provided with the equipment of water pump; In rate-determining steps, if the water yield of equipment is more than or equal to the first predefined value, then open water pump, if the water yield of equipment is less than the first predefined value, then switch off the pump.In the present invention, the opening and closing of water yield to water pump according to the equipment with water pump control, water pump can be made just to start working when needs, avoid water pump to run the appearance of the high problem of power consumption always, in addition, make pump house also be convenient to water pump heat radiation every operation, improve the working life of water pump, reduce the rate of fault of water pump.
The detailed process of the water pump control method of the present embodiment is as follows:
Refer again to shown in Fig. 1, first carry out detecting step, this detecting step comprises:
Step S1: the import wet air specific volume of detection facility.Import wet air specific volume in order to detection facility needs to set up temperature transducer and humidity transducer in the inlet of equipment, and humidity transducer here comprises inlet air humidity transducer, and temperature transducer comprises inlet air temperature sensor.Wherein specific volume is the volume that the material of unit mass occupies, and unit is m
3/ kg, specifically, the determining step of import wet air specific volume is: (1) utilizes the air inlet water content d of inlet temperature sensor detection facility
1; (2) the intake temperature T of inlet air temperature sensor detection facility is utilized
1; (3) according to air inlet water content d
1with intake temperature T
1determine import wet air specific volume v
1.Utilize following formula determination import wet air specific volume:
Wherein, v
1import wet air specific volume, R
adry air gas constant, R
a=287J/ (kgK), T
1intake temperature, d
1air inlet water content, P
batmospheric pressure constant, P
b=101325Pa.
Determine import wet air specific volume v
1carry out step S2 afterwards: detection facility outlet wet air specific volume V
a.Under normal circumstances, the outlet wet air specific volume of equipment changes according to the refrigeration capacity of equipment, the difference of residing operation range, in an embodiment of the present invention, and the outlet wet air specific volume V of equipment
aexperimentally statistics draws, the refrigeration capacity of equipment, the gear of operation are different, and the outlet wet air specific volume of equipment is also different.
Step S3: according to import wet air specific volume v
1with outlet wet air specific volume V
adetermine the mass flow rate of the air flowed out from equipment.The mass flow rate of this air utilizes following formula to determine:
Wherein, v
1import wet air specific volume, V
aoutlet wet air specific volume, G
mit is the mass flow rate of air.
Determine the mass flow rate G of air
mafterwards, step S4 is carried out: the water yield M determining equipment
1.In order to the water yield M of detection facility
1, the temperature transducer of the present embodiment also comprises outlet air temperature sensor, and humidity transducer also comprises exhaust air humidity sensor.Step S4 specifically comprises: under being decided to be temperature one, utilizes the water content of giving vent to anger of outlet humidity sensor detection facility, gives vent to anger in the process of water content at detection facility, utilizes outlet air temperature sensor to detect the air outlet temperature T of the equipment that obtains
2, utilize exhaust air humidity sensor to detect the air outlet temperature T of bonding apparatus
2obtain the water content d that gives vent to anger of equipment
2, then according to giving vent to anger water content d
2, air inlet water content d
1and the mass flow rate G of air
mdetermine the water yield M of equipment
1.The water yield M of equipment
1determine according to following formula:
M
1＝(d
2-d
1)×G
m
Wherein, M
1for the water yield of equipment, d
1air inlet water content, d
2water content of giving vent to anger, G
mit is the mass flow rate of air.
Determine the water yield M of equipment
1afterwards, carry out rate-determining steps, in rate-determining steps: when water yield is more than or equal to the first predefined value, open water pump at least 20 seconds; When water yield is less than the first predefined value, stop water pump at least 60 seconds.According to the present embodiment, can whether open the water pump in equipment and how open to do and control accurately, water pump is just opened when needs pumps water, the state avoiding water pump to be in always running, save the power consumption of water pump, make pump house also be convenient to water pump heat radiation every operation, improve the working life of water pump, reduce the rate of fault of water pump.
Preferably, in the present embodiment, due to sometimes recirculation water M can be there is in the drainage pipe of equipment
0, so the water yield in the water receiving disc of in fact access arrangement equals waste pipe backflow water yield M
0with the water yield M of equipment
1sum, therefore, in the present embodiment, in order to ensure that water pump can be opened in suitable, the first predefined value in the present embodiment equals the value after the backflow water yield that least quantity △ M that water pump starts draining deducts in equipment in waste pipe.That is, as the water yield M of equipment
1waste pipe backflow water yield M
0be more than or equal to water pump when starting the minimum value △ M of draining, just open water pump, make equipment start draining; The water yield M of equipment
1waste pipe backflow water yield M
0be less than water pump when starting the minimum value △ M of draining, just switch off the pump, stop draining, ensure equipment reliability of operation and Security.
In the present invention, described equipment can be air conditioner (as courtyard machine, wind pipe machine, unit machine, cabinet-type air conditioner, wall hanging machine, mobile air conditioner etc.), dehumidifier etc.The exhaust outlet that air intlet is the intake grill of air conditioner or dehumidifier, the air outlet slit of described equipment is air conditioner or dehumidifier of described equipment.
Can know according to the abovementioned embodiments of the present invention, the present invention by setting up several aerial temperature and humidity sensor on the basis of the equipment such as existing air-conditioning system, dehumidifier, the water yield of unit is jointly judged by this humidity transducer and original evaporator tube temperature sensor, air-conditioner operation time, blower fan gear, when air-conditioning water yield reaches the minimum water displacement of setting, water pump operation.When air-conditioning water yield does not reach the minimum water displacement of setting, the water pump water pump that can make out of service is just started working when needs, avoid water pump to run the high problem of power consumption always, in addition, make pump house also be convenient to water pump heat radiation every operation, improve the working life of water pump, reduce the rate of fault of water pump.
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 water pump control method, is characterized in that, comprising:
Detecting step: utilize temperature transducer and humidity transducer to detect the water yield being provided with the equipment of water pump;
Rate-determining steps: if the water yield of described equipment is more than or equal to the first predefined value, then open described water pump, if the water yield of described equipment is less than described first predefined value, then closes described water pump.
2. water pump control method according to claim 1, is characterized in that, described detecting step comprises:
Step S1: the import wet air specific volume detecting described equipment;
Step S2: the outlet wet air specific volume detecting described equipment;
Step S3: the mass flow rate determining the air flowed out from described equipment according to described import wet air specific volume and described outlet wet air specific volume;
Step S4: the water yield determining described equipment.
3. water pump control method according to claim 2, is characterized in that, described temperature transducer comprises inlet air temperature sensor, and described humidity transducer comprises inlet air humidity transducer, and described step S1 comprises:
Described inlet air humidity transducer is utilized to detect the air inlet water content of described equipment;
Described inlet air temperature sensor is utilized to detect the intake temperature of described equipment;
Described import wet air specific volume is determined according to described air inlet water content and described intake temperature.
4. water pump control method according to claim 3, is characterized in that, utilizes following formula to determine described import wet air specific volume:
Wherein, v
1described import wet air specific volume, R
adry air gas constant, T
1described intake temperature, d
1described air inlet water content, P
bit is atmospheric pressure constant.
5. water pump control method according to claim 3, is characterized in that, in described step S3, the mass flow rate of described air utilizes following formula to determine:
Wherein, v
1described import wet air specific volume, V
adescribed outlet wet air specific volume, G
mit is the mass flow rate of described air.
6. water pump control method according to claim 5, is characterized in that, described humidity transducer also comprises exhaust air humidity sensor, and described step S4 comprises:
Described exhaust air humidity sensor is utilized to detect the water content of giving vent to anger of described equipment;
The water yield of described equipment is determined according to the mass flow rate of described water content of giving vent to anger, described air inlet water content and described air.
7. water pump control method according to claim 6, is characterized in that, the water yield of described equipment is determined according to following formula:
M
1＝(d
2-d
1)×G
m
Wherein, M
1for the water yield of described equipment, d
1described air inlet water content, d
2to give vent to anger described in being water content, G
mit is the mass flow rate of described air.
8. water pump control method according to claim 1, is characterized in that, in described rate-determining steps:
When described water yield is more than or equal to described first predefined value, open described water pump at least 20 seconds;
When described water yield is less than described first predefined value, stop described water pump at least 60 seconds.
9. water pump control method according to any one of claim 1 to 8, is characterized in that, described first predefined value equals the value after the backflow water yield that least quantity that described water pump starts draining deducts in described equipment in waste pipe.
10. water pump control method according to any one of claim 1 to 8, is characterized in that, described equipment is air conditioner or dehumidifier.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410387727.XA CN104265612B (en) | 2014-08-07 | 2014-08-07 | Water pump control method |
| PCT/CN2014/095190 WO2016019690A1 (en) | 2014-08-07 | 2014-12-26 | Water pump control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410387727.XA CN104265612B (en) | 2014-08-07 | 2014-08-07 | Water pump control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104265612A true CN104265612A (en) | 2015-01-07 |
| CN104265612B CN104265612B (en) | 2016-03-02 |
Family
ID=52157168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410387727.XA Expired - Fee Related CN104265612B (en) | 2014-08-07 | 2014-08-07 | Water pump control method |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104265612B (en) |
| WO (1) | WO2016019690A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016019690A1 (en) * | 2014-08-07 | 2016-02-11 | 珠海格力电器股份有限公司 | Water pump control method |
| WO2020228331A1 (en) * | 2019-05-16 | 2020-11-19 | 珠海格力电器股份有限公司 | Water pump control method and system, and air conditioner |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07332743A (en) * | 1994-06-13 | 1995-12-22 | Sanyo Electric Co Ltd | Drain water disposal apparatus and air conditioner having such apparatus |
| CN2814270Y (en) * | 2005-06-23 | 2006-09-06 | 四川长虹电器股份有限公司 | Automatic controlling device for cryogen water pump |
| KR20080060857A (en) * | 2006-12-27 | 2008-07-02 | 엘지전자 주식회사 | A device for a discharge of condensed water in an airconditioner system |
| CN101839541A (en) * | 2009-03-19 | 2010-09-22 | 乐金电子(天津)电器有限公司 | Condensed water draining system of dehumidifier |
| CN201637000U (en) * | 2010-02-05 | 2010-11-17 | 广东美的电器股份有限公司 | Dehumidifying machine with drainage function |
| CN102734892A (en) * | 2011-03-30 | 2012-10-17 | 日立空调·家用电器株式会社 | Air conditioner |
| 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 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6684648B2 (en) * | 2000-07-26 | 2004-02-03 | Fakieh Research & Development Center | Apparatus for the production of freshwater from extremely hot and humid air |
| CN100465393C (en) * | 2006-12-05 | 2009-03-04 | 吕迎智 | Automatic drainage device of underground proton device machine room |
| CN202381308U (en) * | 2011-12-30 | 2012-08-15 | 大同煤矿集团有限责任公司 | Automatic drainage device |
| CN203145180U (en) * | 2013-04-03 | 2013-08-21 | 睢县供电有限责任公司 | Automatic water drainage device |
| CN104265612B (en) * | 2014-08-07 | 2016-03-02 | 珠海格力电器股份有限公司 | Water pump control method |
-
2014
- 2014-08-07 CN CN201410387727.XA patent/CN104265612B/en not_active Expired - Fee Related
- 2014-12-26 WO PCT/CN2014/095190 patent/WO2016019690A1/en active Application Filing
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07332743A (en) * | 1994-06-13 | 1995-12-22 | Sanyo Electric Co Ltd | Drain water disposal apparatus and air conditioner having such apparatus |
| CN2814270Y (en) * | 2005-06-23 | 2006-09-06 | 四川长虹电器股份有限公司 | Automatic controlling device for cryogen water pump |
| KR20080060857A (en) * | 2006-12-27 | 2008-07-02 | 엘지전자 주식회사 | A device for a discharge of condensed water in an airconditioner system |
| CN101839541A (en) * | 2009-03-19 | 2010-09-22 | 乐金电子(天津)电器有限公司 | Condensed water draining system of dehumidifier |
| CN201637000U (en) * | 2010-02-05 | 2010-11-17 | 广东美的电器股份有限公司 | Dehumidifying machine with drainage function |
| CN102734892A (en) * | 2011-03-30 | 2012-10-17 | 日立空调·家用电器株式会社 | Air conditioner |
| 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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016019690A1 (en) * | 2014-08-07 | 2016-02-11 | 珠海格力电器股份有限公司 | Water pump control method |
| WO2020228331A1 (en) * | 2019-05-16 | 2020-11-19 | 珠海格力电器股份有限公司 | Water pump control method and system, and air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016019690A1 (en) | 2016-02-11 |
| CN104265612B (en) | 2016-03-02 |
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Granted publication date: 20160302 |