CN106839381A - The anti-condensation system of air-conditioning and condensation prevention control method - Google Patents

The anti-condensation system of air-conditioning and condensation prevention control method Download PDF

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Publication number
CN106839381A
CN106839381A CN201710026449.9A CN201710026449A CN106839381A CN 106839381 A CN106839381 A CN 106839381A CN 201710026449 A CN201710026449 A CN 201710026449A CN 106839381 A CN106839381 A CN 106839381A
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CN
China
Prior art keywords
water
heat exchanger
temperature
air
water pump
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.)
Pending
Application number
CN201710026449.9A
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Chinese (zh)
Inventor
吴初茂
郭树豪
戴向阳
吴刚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Envicool Technology Co Ltd
Original Assignee
Shenzhen Envicool Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shenzhen Envicool Technology Co Ltd filed Critical Shenzhen Envicool Technology Co Ltd
Priority to CN201710026449.9A priority Critical patent/CN106839381A/en
Publication of CN106839381A publication Critical patent/CN106839381A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/22Means for preventing condensation or evacuating condensate
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/30Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/22Means for preventing condensation or evacuating condensate
    • F24F2013/221Means for preventing condensation or evacuating condensate to avoid the formation of condensate, e.g. dew

Abstract

The anti-condensation system of air-conditioning and condensation prevention control method, the anti-condensation system of the air-conditioning include:The inlet pipeline being connected with heat exchanger water inlet end, is provided with chilled water flow control valve on inlet pipeline, the water side of chilled water flow control valve is provided with chilled water temperature probe, and the water inlet end of heat exchanger is provided with inflow temperature probe;Detect the air return temperature humidity sensor of return air dew-point temperature;The bypass branch that one end is connected with the outlet pipeline of heat exchanger, the other end is connected with the inlet pipeline of heat exchanger, the water side of bypass branch is located at chilled water temperature and pops one's head in and inflow temperature probe between, and by-passing valve, water pump and branch road temp probe are disposed with by water circulating direction on bypass branch.The present invention connects the bypass branch of heat exchanger water outlet side and influent side by setting, the hot water of heat exchanger exit is fed back to the influent side of heat exchanger, and by comparing return air dew-point temperature and coil temperature, regulation finally flows into the chilled water temperature of heat exchanger, realizes anti-condensation effect.

Description

The anti-condensation system of air-conditioning and condensation prevention control method
Technical field
The present invention relates to air-conditioning, more specifically to a kind of air conditioner in machine room and the controlling party of air conditioner in machine room condensation is prevented Method.
Background technology
As data center is to preventing water leakage, the requirement more and more higher of immersion, for the key area in data center or row The place of water inconvenience, it is desirable to which air-conditioning must not condensation, generation condensed water.
In order to prevent air-conditioning condensation, it is common practice to the supply water temperature of chilled water system heighten air dew point with On, so as to avoid producing condensed water.But because data center has a large amount of air-conditionings to share a set of chilled water system, if improving water Temperature, the air-conditioning heat dissipation ability that may result in other allows to produce condensed water declines, and the elevated situation of data center module temperature occurs, Even result in equipment it is out of service in addition damage.
The content of the invention
It is an object of the invention to provide a kind of anti-condensation system of air-conditioning and condensation prevention control method, by improving heat exchanger Inflow temperature is realized preventing condensation.
To achieve these goals, the present invention takes following technical solution:
The anti-condensation system of air-conditioning, including:The inlet pipeline being connected with heat exchanger water inlet end, is provided with the inlet pipeline Chilled water flow control valve, the water side of the chilled water flow control valve is provided with chilled water temperature probe, the heat exchanger Water inlet end be provided with inflow temperature probe;Detect the air return temperature humidity sensor of return air dew-point temperature;One end and the heat exchange The bypass branch that the outlet pipeline of device is connected, the other end is connected with the inlet pipeline of heat exchanger, the water side of bypass branch is located at Between the chilled water temperature probe and inflow temperature probe, water pump is disposed with by water circulating direction on the bypass branch And branch road temp probe.
More specifically, the water pump is variable frequency pump.
More specifically, the water pump is provided with triple valve, the triple valve difference to determine frequency water pump on the bypass branch Inlet pipeline, the water outlet of the water inlet end and water pump of water pump of the connection between chilled water temperature probe and inflow temperature probe End.
More specifically, it is provided with by-passing valve at the unit fixed on water pump suction.
More specifically, it is parallel with the 3rd stop valve on the by-passing valve.
More specifically, the exit of pump is provided with check valve.
More specifically, the water inlet end of the by-passing valve is provided with the first stop valve.
More specifically, the water inlet end of the water pump is provided with unit fixed on water pump suction pressure gauge, water side and is provided with exit of pump pressure Power table.
More specifically, the water inlet end of the water pump is provided with Y-filter.
More specifically, the water side of the water pump is provided with the second stop valve.
A kind of air-conditioning condensation prevention control method, sets bypass branch, the bypass on the outlet pipeline of air-conditioning heat exchanger The other end of branch road is connected with the inlet pipeline of heat exchanger, and water pump is provided with the bypass branch;
The step of control method, is as follows:
Obtain coil temperature;
Obtain return air dew-point temperature;
Compare coil temperature and return air dew-point temperature, when coil temperature is less than return air dew-point temperature, by-passing valve is opened, from Heat exchanger heat exchange after flow out chilled water through in the inlet pipeline of bypass branch inflow heat exchanger and with inlet pipeline in freezing Water mixes in proportion, and the temperature for making the chilled water that will enter heat exchanger is higher than return air dew-point temperature;
When coil temperature is higher than return air dew-point temperature, by-passing valve is closed, and air-conditioning system is normally run.
More specifically, the flow of chilled water in bypass branch is controlled by water pump, it is cold on inlet pipeline by being arranged at Freeze the flow of the chilled water of Water flow control valve control inflow heat exchanger, export chilled water and handpiece Water Chilling Units in bypass branch Chilled water enter heat exchanger before first mix, improve enter heat exchanger chilled water temperature.
More specifically, using the flow of chilled water in variable frequency pump control bypass branch.
More specifically, the water pump is provided with triple valve, the triple valve difference to determine frequency water pump on the bypass branch Inlet pipeline, the water outlet of the water inlet end and water pump of water pump of the connection between chilled water temperature probe and inflow temperature probe End, the flow of chilled water in bypass branch is controlled by triple valve.
From above technical scheme, the present invention is by the setting one on the outlet pipeline of heat exchanger and the water inlet of heat exchanger The bypass branch of pipeline connection, the hot water of heat exchanger exit is fed back to the influent side of heat exchanger, improves inflow temperature, makes coil pipe Temperature is higher than return air dew-point temperature, so as to prevent condensation, solves the phenomenon that air conditioner in machine room operation there may be condensed water, is carried significantly Reliability, the security of air conditioner in machine room equipment high, and flexible precision can be carried out according to the demand of the refrigerating capacity of each end unit Regulation.
Brief description of the drawings
In order to illustrate more clearly the embodiments of the present invention, below will be to be used needed for embodiment or description of the prior art Accompanying drawing do simple introduction, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for ability For the those of ordinary skill of domain, on the premise of not paying creative work, can also obtain other attached according to these accompanying drawings Figure.
Fig. 1 is the structural representation of the embodiment of the present invention 1;
Fig. 2 is the structural representation of the embodiment of the present invention 2;
Fig. 3 is the structural representation of the embodiment of the present invention 3;
Fig. 4 is the structural representation of the embodiment of the present invention 4.
Specific embodiment
Embodiment 1
As shown in figure 1, the anti-condensation system of the air-conditioning of the present embodiment includes:Heat exchanger 1, inner blower 2, by-passing valve 4, water pump 9, Inlet pipeline electric two-way valve 14, branch road temp probe 12, air return temperature humidity sensor 13, chilled water temperature probe 15, water inlet Temp probe 16.Heat exchanger 1 is connected by inlet pipeline with handpiece Water Chilling Units (not shown), and the chilled water of handpiece Water Chilling Units output is through entering Water lines are delivered in the coil pipe of heat exchanger 1.Inlet pipeline electric two-way valve 14 as the present embodiment chilled water flow control valve, Flow for controlling the chilled water of inflow heat exchanger.Chilled water temperature probe 15 is arranged at inlet pipeline electric two-way valve 14 Water side, chilled water temperature probe 15 is used for the temperature of the chilled water for measuring handpiece Water Chilling Units output.Inflow temperature probe 16 is set In the water inlet end of heat exchanger, inflow temperature probe 16 is used to measure the temperature of the chilled water for eventually entering into heat exchanger 1, i.e. coil pipe temperature Degree.Inner blower 2 is arranged on the place wind path of heat exchanger 1, and air return temperature humidity sensor 13 is used to measure the dew-point temperature of return air.This Heat exchanger in embodiment is evaporator.
The outlet pipeline of heat exchanger 1 is connected with freezing water circulation system (not shown), is set on the outlet pipeline of heat exchanger 1 Bypass branch is equipped with, one end of bypass branch is connected with the outlet pipeline of heat exchanger 1, and the other end is connected to the water inlet of heat exchanger 1 On pipeline, the water side of bypass branch is located between chilled water temperature probe 15 and inflow temperature probe 16, that is, positioned at water inlet Between the water side of pipeline electric two-way valve 14 and the water inlet end of heat exchanger, bypass branch will be exported after being exchanged heat by heat exchanger 1 A part of chilled water return to the inlet pipeline of heat exchanger 1, the chilled water exported with freezing unit is mixed in proportion.It is other By-passing valve 4, water pump 9 and branch road temp probe 12 are disposed with logical branch road, branch road temp probe 12 is used to measure bypass branch The temperature of chilled water in road, the by-passing valve 4 of the present embodiment is bypass solenoid valve.More specifically, the water inlet end in by-passing valve 4 is set There is the first stop valve 3.The water pump 9 of the present embodiment is variable frequency pump, is set gradually along the direction that current lead in the water inlet end of water pump 9 There are unit fixed on water pump suction pressure gauge 6 and Y-filter 7, exit of pump is disposed with along the direction that current lead in the water side of water pump 9 The stop valve 11 of pressure gauge 10 and second, the two ends of water pump 9 have and are flexible coupling 8.
The present embodiment in order to when preventing bypass branch from running by-passing valve 4 break down, the 3rd section is parallel with by-passing valve 4 Only valve 5, when bypass solenoid valve failure, can maintain system normally to transport by the stop valve for controlling be connected in parallel on bypass solenoid valve OK.
Condensation prevention control method of the invention is illustrated below:Chilled water from handpiece Water Chilling Units is through inlet pipeline stream Enter in heat exchanger, chilled water temperature is raised after carrying out heat exchange, and flowed out from the outlet pipeline of heat exchanger;
Coil temperature is obtained, popping one's head in 16 measurements with inflow temperature will be into the temperature of the chilled water of heat exchanger 1;
Air return humiture is obtained, the dew-point temperature of return air is measured with air return temperature humidity sensor 13;
Compare coil temperature and return air dew-point temperature, when coil temperature is less than returning that air return temperature humidity sensor is measured indirectly During wind dew-point temperature, by-passing valve 4 is opened, and the hot water flowed out after being exchanged heat from heat exchanger 1 is flowed into bypass branch, and through bypass branch In the inlet pipeline of inflow heat exchanger 1, being flow to again after first mixing in proportion with the chilled water in inlet pipeline in heat exchanger 1 is carried out Heat exchange, coil surface temperature is improved with this, makes it higher than return air dew-point temperature, realizes the full sensible heat operation of evaporated condensation water;
When coil temperature is higher than return air dew-point temperature, by-passing valve 4 is closed, and bypass branch is obstructed, and water pump 9 is also switched off, and enters Water lines electric two-way valve 14 is opened entirely, and air-conditioning system is normally run.
More specifically, the frequency of variable frequency pump is adjusted according to return air dew-point temperature, to control high temperature in bypass branch to freeze The flow of water, adjusts according to the temperature signal that branch road temp probe 12, chilled water temperature probe 15 and inflow temperature probe 16 are measured The open degree of section inlet pipeline electric two-way valve 14, to control the flow of the chilled water from handpiece Water Chilling Units, so that different The chilled water of temperature carried out mixing temperature adjustment before heat exchanger is entered, so as to improve the temperature of the chilled water for eventually entering into heat exchanger Degree.
Embodiment 2
As shown in Fig. 2 the present embodiment place different from embodiment 1 is:Without parallel connection on the by-passing valve 4 of the present embodiment Stop valve, check valve 17 is provided with bypass branch between the stop valve 11 of water pump discharge pressure table 10 and second.
By-passing valve of the invention 4, check valve 17 and threeth stop valve in parallel with by-passing valve 4 are all selectable unit (SU)s, it Effect be in order to when coil temperature higher than return air dew-point temperature water pump close when, prevent bypass branch by heat exchanger short circuit, The chilled water for exporting handpiece Water Chilling Units directly flows to heat exchanger exit without heat exchanger from bypass branch.
Embodiment 3
As shown in figure 3, the present embodiment place different from embodiment 1 is:Water pump 9 is to determine frequency water pump, in bypass branch On be provided with triple valve 18, triple valve 18 is respectively communicated with entering between chilled water temperature probe 15 and inflow temperature probe 16 The water side of water lines, the water inlet end of water pump 9 and water pump 9, the triple valve of the present embodiment is electric T-shaped valve.
When coil temperature is less than return air dew-point temperature, by-passing valve 4 is opened, and is determined frequency water pump 9 and is started, and triple valve 18 is according to branch The temperature signal regulation open degree that road temp probe 12, chilled water temperature probe 15 and inflow temperature probe 16 are measured, will determine frequency A part of water of water pump output is supplied to inlet pipeline, mixes in proportion with chilled water, and another part water bypasses the water inlet of back water pump End;Inlet pipeline electric two-way valve 14 is also according to branch road temp probe 12, chilled water temperature probe 15 and inflow temperature probe 16 The temperature signal regulation open degree for measuring, by will be exchanged heat from heat exchanger after hot water out and freezing unit output chilled water Heat exchanger heat exchange is delivered to after mixing in proportion, the temperature for improving coil surface is higher than return air dew-point temperature, realizes evaporated condensation water Full sensible heat operation.
When coil temperature is higher than return air dew-point temperature, determines frequency water pump 9 and close, by-passing valve 4 is closed, and triple valve 18 is closed, Inlet pipeline electric two-way valve 14 is opened entirely, and system is normally run.
Embodiment 4
As shown in figure 4, the present embodiment place different from embodiment 3 is:Without parallel connection on the by-passing valve 4 of the present embodiment Stop valve, check valve 17 is provided with bypass branch between the stop valve 11 of water pump discharge pressure table 10 and second.
The present invention can enter the mixed freezing water of heat exchanger according to the actual condition flexible modulation of computer room tail end air conditioner unit Temperature, while meeting the demand of big load air-conditioner set and Smaller load air-conditioner set, and ensure evaporated condensation water, realize 100% full sensible heat operation, reaches the effect of energy-conservation.
Various pieces are described by the way of progressive in this specification, and what each some importance was illustrated is and other parts Difference, between various pieces same or similar part mutually referring to.Syntagmatic between these parts is simultaneously Form more than disclosed in embodiment, the foregoing description of the disclosed embodiments enables professional and technical personnel in the field Realize or use the present invention.Various modifications to these embodiments will be for those skilled in the art apparent , generic principles defined herein can without departing from the spirit or scope of the present invention, in other embodiments Middle realization.Therefore, the present invention is not intended to be limited to embodiment illustrated herein, and is to fit to and principles disclosed herein The widest range consistent with features of novelty.

Claims (14)

1. the anti-condensation system of air-conditioning, it is characterised in that including:
The inlet pipeline being connected with heat exchanger water inlet end, is provided with chilled water flow control valve on the inlet pipeline, described cold The water side for freezing Water flow control valve is provided with chilled water temperature probe, and the water inlet end of the heat exchanger is provided with inflow temperature spy Head;
Detect the air return temperature humidity sensor of return air dew-point temperature;
The bypass branch that one end is connected with the outlet pipeline of the heat exchanger, the other end is connected with the inlet pipeline of heat exchanger, it is other The water side of logical branch road is located at the chilled water temperature and pops one's head in and inflow temperature probe between, logical by current on the bypass branch Direction is disposed with water pump and branch road temp probe.
2. the anti-condensation system of air-conditioning according to claim 1, it is characterised in that:The water pump is variable frequency pump.
3. the anti-condensation system of air-conditioning according to claim 1, it is characterised in that:The water pump is to determine frequency water pump, the side Triple valve is provided with logical branch road, the triple valve is respectively communicated between chilled water temperature probe and inflow temperature probe The water side of inlet pipeline, the water inlet end of water pump and water pump.
4. the anti-condensation system of air-conditioning according to claim 1 or 2 or 3, it is characterised in that:It is provided with the unit fixed on water pump suction By-passing valve.
5. the anti-condensation system of air-conditioning according to claim 4, it is characterised in that:The 3rd cut-off is parallel with the by-passing valve Valve.
6. the anti-condensation system of air-conditioning according to claim 1 or 2 or 3, it is characterised in that:The exit of pump is provided with list To valve.
7. the anti-condensation system of air-conditioning according to claim 1, it is characterised in that:The water inlet end of the by-passing valve is provided with One stop valve.
8. the anti-condensation system of air-conditioning according to claim 1, it is characterised in that:The water inlet end of the water pump is provided with water pump Inlet pressure gauge, water side are provided with water pump discharge pressure table.
9. the anti-condensation system of air-conditioning according to claim 1, it is characterised in that:The water inlet end of the water pump is provided with Y shape Filter.
10. the anti-condensation system of air-conditioning according to claim 1, it is characterised in that:The water side of the water pump is provided with Two stop valves.
A kind of 11. air-conditioning condensation prevention control methods, it is characterised in that:Bypass branch is set on the outlet pipeline of air-conditioning heat exchanger Road, the other end of the bypass branch is connected with the inlet pipeline of heat exchanger, and water pump is provided with the bypass branch;
The step of control method, is as follows:
Obtain coil temperature;
Obtain return air dew-point temperature;
Compare coil temperature and return air dew-point temperature, when coil temperature is less than return air dew-point temperature, by-passing valve is opened, from heat exchange The chilled water flowed out after device heat exchange is mixed through in the inlet pipeline of bypass branch inflow heat exchanger and with the chilled water in inlet pipeline Close, the temperature for making the chilled water that will enter heat exchanger is higher than return air dew-point temperature;
When coil temperature is higher than return air dew-point temperature, by-passing valve is closed, and air-conditioning system is normally run.
12. condensation prevention control methods according to claim 11, it is characterised in that:Controlled by water pump cold in bypass branch Freeze the flow of water, the stream of the chilled water of inflow heat exchanger is controlled by the chilled water flow control valve being arranged on inlet pipeline Amount, makes the chilled water in bypass branch and the chilled water of handpiece Water Chilling Units output first mix before heat exchanger is entered, and improves and enters The temperature of the chilled water of heat exchanger coils.
13. condensation prevention control method according to claim 11 or 12, it is characterised in that:Control to bypass using variable frequency pump The flow of chilled water in branch road.
14. condensation prevention control method according to claim 11 or 12, it is characterised in that:The water pump is to determine frequency water pump, Triple valve is provided with the bypass branch, the triple valve is respectively communicated with positioned at chilled water temperature probe and inflow temperature probe Between inlet pipeline, the water inlet end of water pump and water pump water side, by triple valve control bypass branch in chilled water stream Amount.
CN201710026449.9A 2017-01-13 2017-01-13 The anti-condensation system of air-conditioning and condensation prevention control method Pending CN106839381A (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107178854A (en) * 2017-07-17 2017-09-19 国安瑞(北京)科技有限公司 Radiation air-conditioner and condensation prevention control method
CN108931026A (en) * 2018-04-18 2018-12-04 青岛海尔空调器有限总公司 A kind of anti-condensation air conditioning control method and device
CN109269069A (en) * 2018-09-30 2019-01-25 珠海格力电器股份有限公司 Air conditioner indoor unit water pump control method and air-conditioning equipment
CN109357367A (en) * 2018-10-16 2019-02-19 红塔烟草(集团)有限责任公司 A kind of energy-saving control method of air-conditioning or combined type wind cabinet central cooling
CN109631232A (en) * 2018-11-19 2019-04-16 青岛海尔空调电子有限公司 A kind of control method of air-conditioning, device, air-conditioning, storage medium
CN109812935A (en) * 2019-01-29 2019-05-28 广东美的暖通设备有限公司 Air conditioner, the control method of air conditioner and storage medium
CN110410987A (en) * 2018-04-27 2019-11-05 红塔烟草(集团)有限责任公司 Air-conditioning system chilled water energy-saving control method

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CN2757012Y (en) * 2004-12-09 2006-02-08 代伯清 Dew-proof device for air conditioner coil
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CN204345806U (en) * 2014-12-03 2015-05-20 奥意建筑工程设计有限公司 Air conditioner water coil pipe frost crack proof device
CN105042773A (en) * 2015-07-13 2015-11-11 浪潮电子信息产业股份有限公司 Control method for preventing condensation in air-cooled in-column air conditioner
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JPH08247489A (en) * 1995-03-07 1996-09-27 Hiroyasu Koizumi Dew condensation-preventing apparatus
CN2757012Y (en) * 2004-12-09 2006-02-08 代伯清 Dew-proof device for air conditioner coil
US20130199772A1 (en) * 2012-02-02 2013-08-08 Semco Llc Chilled beam pump module, system, and method
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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107178854A (en) * 2017-07-17 2017-09-19 国安瑞(北京)科技有限公司 Radiation air-conditioner and condensation prevention control method
CN108931026A (en) * 2018-04-18 2018-12-04 青岛海尔空调器有限总公司 A kind of anti-condensation air conditioning control method and device
CN108931026B (en) * 2018-04-18 2021-01-29 青岛海尔空调器有限总公司 Anti-condensation air conditioner control method and device
CN110410987A (en) * 2018-04-27 2019-11-05 红塔烟草(集团)有限责任公司 Air-conditioning system chilled water energy-saving control method
CN110410987B (en) * 2018-04-27 2020-12-29 红塔烟草(集团)有限责任公司 Energy-saving control method for chilled water of air conditioning system
CN109269069A (en) * 2018-09-30 2019-01-25 珠海格力电器股份有限公司 Air conditioner indoor unit water pump control method and air-conditioning equipment
CN109357367A (en) * 2018-10-16 2019-02-19 红塔烟草(集团)有限责任公司 A kind of energy-saving control method of air-conditioning or combined type wind cabinet central cooling
CN109631232A (en) * 2018-11-19 2019-04-16 青岛海尔空调电子有限公司 A kind of control method of air-conditioning, device, air-conditioning, storage medium
CN109631232B (en) * 2018-11-19 2021-05-28 青岛海尔空调电子有限公司 Control method and device of air conditioner, air conditioner and storage medium
CN109812935A (en) * 2019-01-29 2019-05-28 广东美的暖通设备有限公司 Air conditioner, the control method of air conditioner and storage medium

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