CN105299771B - The control method of Water-cooling type air conditioner unit and its degree of supercooling - Google Patents
The control method of Water-cooling type air conditioner unit and its degree of supercooling Download PDFInfo
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- CN105299771B CN105299771B CN201510665470.4A CN201510665470A CN105299771B CN 105299771 B CN105299771 B CN 105299771B CN 201510665470 A CN201510665470 A CN 201510665470A CN 105299771 B CN105299771 B CN 105299771B
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- refrigerant
- water
- temperature
- condensation
- air conditioner
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Classifications
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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
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/02—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing
- F24F1/022—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing comprising a compressor cycle
-
- 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
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
-
- 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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
-
- 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
- F24F2140/20—Heat-exchange fluid temperature
Abstract
The invention provides a kind of Water-cooling type air conditioner unit and the control method of the degree of supercooling of Water-cooling type air conditioner unit.The Water-cooling type air conditioner unit includes evaporator, condenser and orifice union, the Water-cooling type air conditioner unit also includes cooling heat exchanger, refrigerant from the condenser is first exchanged heat before the orifice union is flowed through with the condensed water from the evaporator in the cooling heat exchanger.According to technical scheme provided by the invention, heat exchange is carried out using the low temperature cold condensate for carrying out flash-pot and the refrigerant for carrying out condenser, so as to carry out cold treatment to the refrigerant of condenser discharge, the front and rear temperature difference of throttling can be effectively reduced, reduce restriction loss, and degree of supercooling is added, so as to be advantageous to lift the refrigerating capacity of air-conditioner set.
Description
Technical field
The present invention relates to field of air conditioning, the degree of supercooling of more particularly to a kind of Water-cooling type air conditioner unit and Water-cooling type air conditioner unit
Control method.
Background technology
It is well known that restriction loss is mainly relevant with the temperature difference before and after throttling, the temperature difference is smaller, and restriction loss is fewer；Supercooling
Degree increase can cause refrigerating capacity to rise.At present, the method for control air conditioner degree of supercooling mainly has following two：1) use and cool down again
Device, i.e., first the refrigerant come out from condenser is cooled down in aftercooler using cooling water, enter back into condenser afterwards and enter
Row condensation heat absorption；2) supercooling tube is used, i.e., several heat exchanger tubes are additionally arranged at the bottom of inside condenser, for refrigerant to be subcooled
Processing.
However, both approaches are each defective.1) plant method for the, using during aftercooler, it is necessary to which cooling water is first
The refrigerant come out from condenser is cooled down in aftercooler, cooling water heat absorption heating will certainly cause the upper of condensation temperature
Rise, it is so unfavorable to unit efficiency；Need to increase cooling water flow if the condensation temperature maintained like, can thus increase
Cooling water system energy consumption, it is unfavorable for whole air-conditioner system energy consumption.Method 2) is planted for the, condenser can be increased using supercooling tube
Stringing quantity, and bad control degree of supercooling, it is unfavorable for heat exchanger tube and gives full play to heat exchange function, the increase of heat exchanger tube also results in into
Originally it is substantially increased.Therefore, it is necessary to it is improved for drawbacks described above present in prior art.
The content of the invention
The invention provides a kind of Water-cooling type air conditioner unit and the control method of the degree of supercooling of Water-cooling type air conditioner unit, with solution
The technical problem that certainly system energy consumption increases in the prior art and cost is higher.
To achieve these goals, according to the first aspect of the invention, there is provided a kind of Water-cooling type air conditioner unit, including
Evaporator, condenser and orifice union, the Water-cooling type air conditioner unit also includes cooling heat exchanger, from the cold of the condenser
Matchmaker is first changed before the orifice union is flowed through with the condensed water from the evaporator in the cooling heat exchanger
Heat.
Further, the evaporator has the drip tray for being used for accommodating condensed water, and the refrigerant from the condenser exists
Before flowing through the orifice union, first exchanged heat with the condensed water from the drip tray in the cooling heat exchanger.
Further, the drip tray has outlet, and the cooling heat exchanger has condensing water inlet, the outlet and institute
State and connected by condensate draining pipe between condensing water inlet.
Further, the cooling heat exchanger also has condensation-water drain, refrigerant inlet and refrigerant exit, the condensed water
The aperture of outlet is controlled by opening adjustment mechanism.
Further, the Water-cooling type air conditioner unit also includes the temperature for being used to measure the refrigerant temperature of the refrigerant exit
Sensor, when the condensation temperature of the refrigerant and the difference of refrigerant temperature of the refrigerant exit are less than predetermined value, the aperture
Governor motion reduces the aperture of the condensation-water drain, until the condensation temperature and the refrigerant temperature of the refrigerant exit of the refrigerant
The difference of degree is equal to the predetermined value.
Further, the Water-cooling type air conditioner unit also includes the temperature for being used to measure the refrigerant temperature of the refrigerant exit
Sensor, when the condensation temperature of the refrigerant and the difference of refrigerant temperature of the refrigerant exit are less than predetermined value, the aperture
Governor motion reduces the n% of the aperture of the condensation-water drain every m minutes, until the refrigerant condensation temperature with it is described cold
The difference of the refrigerant temperature of matchmaker outlet is equal to the predetermined value；Wherein, 1≤m≤3,2≤n≤7.
According to the second aspect of the invention, there is provided a kind of control method of the degree of supercooling of Water-cooling type air conditioner unit, institute
Stating Water-cooling type air conditioner unit includes evaporator, condenser, orifice union and cooling heat exchanger, and the control method includes：First,
The refrigerant from the condenser is set to be exchanged heat with the condensed water from the evaporator in the cooling heat exchanger；So
Afterwards, the refrigerant by heat exchange processing is made to flow through the orifice union.
Further, the cooling heat exchanger has condensing water inlet, condensation-water drain, refrigerant inlet and refrigerant exit,
The control method also includes：The aperture of the condensation-water drain is adjusted, so that the condensation temperature of the refrigerant and the refrigerant
The difference of the refrigerant temperature of outlet is less than predetermined value.
Further, the control method also includes：When the condensation temperature and the refrigerant of the refrigerant exit of the refrigerant
When temperature difference is less than the predetermined value, reduce the aperture of the condensation-water drain, condensation temperature and institute until the refrigerant
The difference for stating the refrigerant temperature of refrigerant exit is equal to the predetermined value.
Further, the control method also includes：When the condensation temperature and the refrigerant of the refrigerant exit of the refrigerant
When temperature difference is less than the predetermined value, reduce the n% of the aperture of the condensation-water drain every m minutes, until the refrigerant
Condensation temperature and the difference of refrigerant temperature of the refrigerant exit be equal to the predetermined value；Wherein, 1≤m≤3,2≤n≤7.
Apply the technical scheme of the present invention, carried out using the low temperature cold condensate for carrying out flash-pot and the refrigerant for carrying out condenser
Heat exchange, so as to carry out cold treatment to the refrigerant of condenser discharge, the front and rear temperature difference of throttling can be effectively reduced, is reduced
Restriction loss, and degree of supercooling is added, so as to be advantageous to lift the refrigerating capacity of air-conditioner set.
Brief description of the drawings
The Figure of description for forming the part of the application is used for providing a further understanding of the present invention, and of the invention shows
Meaning property embodiment and its illustrate be used for explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the arrangement schematic diagram of Water-cooling type air conditioner unit according to embodiments of the present invention；
Fig. 2 is the enlarged diagram at A in Fig. 1；
Fig. 3 is heat transfer process pressure-enthalpy chart according to embodiments of the present invention.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
In order to solve the defects of prior art is present, the invention provides a kind of Water-cooling type air conditioner unit, including evaporator,
Condenser and orifice union, the Water-cooling type air conditioner unit also include cooling heat exchanger, and the refrigerant from the condenser is flowing
Cross before the orifice union, first exchanged heat with the condensed water from the evaporator in the cooling heat exchanger.Accordingly
Ground, present invention also offers a kind of control method of the degree of supercooling of Water-cooling type air conditioner unit.
According to technical scheme provided by the invention, using come the low temperature cold condensate of flash-pot and the refrigerant for carrying out condenser
Heat exchange is carried out, so as to carry out cold treatment to the refrigerant of condenser discharge, the front and rear temperature difference of throttling, drop can be effectively reduced
Low restriction loss, and degree of supercooling is added, so as to be advantageous to lift the refrigerating capacity of air-conditioner set.
Fig. 1 is the arrangement schematic diagram of Water-cooling type air conditioner unit according to embodiments of the present invention, and Fig. 2 is the amplification at A in Fig. 1
Schematic diagram.As depicted in figs. 1 and 2, in one embodiment of the invention, there is provided a kind of Water-cooling type air conditioner unit, including wind
Machine 1, current divider 2, motor 3 and compressor 4.
The Water-cooling type air conditioner unit also includes orifice union 5, cooling heat exchanger 6, condenser 8 and evaporator 11.Wherein,
Cooling heat exchanger 6 is arranged between condenser 8 and orifice union 5.Condenser 8 uses Shell-tube Condenser.Certainly, condenser 8
Can be other various forms of condensers.
Evaporator 11 has the drip tray 10 for being used for accommodating condensed water.Drip tray 10 has outlet, and cooling heat exchanger 6 has
Condensing water inlet and condensation-water drain.One end of condensate draining pipe 9 is connected to the outlet of drip tray 10, and the other end is connected to cold
But the condensing water inlet of heat exchanger 6, so as to which the condensed water in drip tray 10 is sent in cooling heat exchanger 6.
Cooling heat exchanger 6 also has refrigerant inlet and refrigerant exit.As shown in figure 1, the refrigerant discharged from condenser 8 leads to
Piping flows to the refrigerant inlet of cooling heat exchanger 6, is then carried out in cooling heat exchanger 6 with the condensed water from drip tray 10
Heat exchange, the refrigerant after heat exchange is handled flow to orifice union 5 by the refrigerant exit of cooling heat exchanger 6 again, finally flow direction point
Flow device 2.Condensed water after heat exchange is then discharged by the condensation-water drain of cooling heat exchanger 6, such as is discharged to directly down
In the external environment condition of outdoor unit.
Thus, by air-conditioner set increase cooling heat exchanger 6, utilize come the low temperature cold condensate of flash-pot 11 with
The refrigerant of condenser 8 carries out heat exchange, so as to which the refrigerant discharged to condenser 8 carried out cold treatment, can be effectively reduced
The front and rear temperature difference of throttling, reduces restriction loss, and adds degree of supercooling, so as to be advantageous to lift the refrigeration of air-conditioner set
Amount.Simultaneously as condensed water temperature after heat absorption raises, it is possibility to have effect solves the problems, such as the insulation difficulty of condensate water discharging system.
Fig. 3 is heat transfer process pressure-enthalpy chart according to embodiments of the present invention, that is, the cooling heat transferring using the embodiment of the present invention
Device exchanged heat during pressure enthalpy change figure.
In figure 3, ordinate lgp represents pressure, and abscissa H represents specific enthalpy, P0Represent evaporating pressure, T0Represent evaporation temperature
Degree, PkRepresent condensing pressure, TkRepresent condensation temperature, Δ trRepresent degree of supercooling, Δ q0Expression evaporator heat exchange amount changing value, 100
Compressor air suction point is represented, 200 represent compressor air-discharging point (condenser enters a little), and 300 represent condensator outlet (cooling heat exchanger
Import), 3 ' represent cooling heat exchanger outlet, and 400 represent evaporator, and 4 ' represent cooling heat exchanger outlet.
From figure 3, it can be seen that in the case where pressure is constant, to the cold of cooling heat exchanger exit at condensator outlet
Matchmaker's degree of supercooling adds Δ trSo that the temperature difference reduces Δ t before and after throttlingr, so that refrigerating capacity adds Δ q0。
Fig. 2 is the enlarged diagram at A in Fig. 1.As shown in Fig. 2 the Water-cooling type air conditioner unit also includes motorized adjustment
Valve 7, it is arranged at the condensation-water drain of cooling heat exchanger 6.Electric control valve 7 is used for the condensed water for controlling cooling heat exchanger 6
The aperture of outlet, so as to control the condensation water quantity of outflow cooling heat exchanger 6.Certainly, in addition to electric control valve, can also adopt
With other various forms of opening adjustment mechanisms.
The Water-cooling type air conditioner unit can also set temperature sensor, for measuring the refrigerant of cooling heat exchanger 6 immediately
The refrigerant temperature t of outletc.As the condensation temperature t of refrigerantkWith the refrigerant temperature t of refrigerant exitcDifference be less than predetermined value tsWhen, can
To control electric control valve 7 to reduce the aperture of condensation-water drain, until the condensation temperature t of refrigerantkWith the refrigerant temperature of refrigerant exit
Spend tcDifference be equal to the predetermined value ts, just stop reduce condensation-water drain aperture.
Due to the degree of supercooling t of refrigerantsThe condensation temperature t of=refrigerantkThe refrigerant temperature of the refrigerant exit of-cooling heat exchanger
tc.Therefore, by setting electric control valve 7, the aperture for adjusting the condensation-water drain of cooling heat exchanger participates in what is exchanged heat to control
Condensation water quantity, condensed water is avoided quickly to discharge (such as under gravity) without fully participating in heat transfer process, so as to can
To ensure that refrigerant degree of supercooling is more than or equal to predetermined value ts, reach the purpose for automatically controlling refrigerant degree of supercooling.
Preferably, as the condensation temperature t of refrigerantkWith the refrigerant temperature t of refrigerant exitcDifference be less than predetermined value tsWhen, can be with
Control electric control valve 7 reduces the n% of the aperture of condensation-water drain every m minutes, until the condensation temperature t of refrigerantkWith refrigerant
The refrigerant temperature t of outletcDifference be equal to the predetermined value ts, just stop reducing the aperture of the condensation-water drain.
Aforementioned value m scope can be between 1 to 3, i.e. 1≤m≤3, preferably 2.Aforementioned value n scope can be
Between 2 to 7, i.e. 2≤n≤7, preferably 5.
Thus, reduce a certain proportion of condensation-water drain aperture at regular intervals by, motorized adjustment can be simplified
The control logic of valve 7, and the control accuracy of electric control valve 7 is moderately reduced, to the requirement phase of the software and hardware of actual control process
To relatively low, so as to advantageously reduce cost while degree of supercooling control targe is realized.
To sum up, by technical scheme, future, the advantage of low temperature cold condensate of flash-pot fully utilized,
The condensation low temperature cold condensate for increasing a set of configuration flash-pot in future and the refrigerant for carrying out condenser carry out heat exchange, to condensation
The refrigerant of device outlet has carried out crossing cold treatment, can so be effectively reduced the front and rear temperature difference of throttling, add the supercooling of refrigerant
Degree, realize the effect of lifting refrigerating capacity；Temperature raises after condensed water heat absorption simultaneously, can effectively solve condensate water discharging system
The problem of being incubated problem.In the case where cost is almost unchanged, the refrigerating capacity and efficiency of unit can be substantially improved so that air-conditioning
The economic benefit of unit is increased dramatically.
Also, the design method controlled by using such a degree of supercooling, compared with the control mode of routine, what is reached has
Beneficial effect is as follows：
1) in the case where not had an impact to cooling water system, fully it is beneficial to the advantage of low temperature cold condensate, effect is subcooled
Highly significant.
2) (only increase cooling heat exchanger and electric control valve) in the case where cost has almost no change, reach degree of supercooling
Controllable, increase unit refrigerating capacity and the effect for lifting unit efficiency.
3) insulation layer thickness of condensate draining pipe can be effectively thinned, and effectively reduce cost.
Above-mentioned technical proposal exists when solving the problems, such as using aftercooler, that is, needs to increase cooling water flow, so as to
The problem of causing cooling water system operation energy consumption to rise；Either cooling water flow is constant, because cooling water is first in aftercooler
Face heat absorption causes unit condensation temperature to rise, and then the problem of cause efficiency to decline and the uncontrollable problem of degree of supercooling.
In addition, the problem of above-mentioned technical proposal exists when also solving using supercooling tube, that is, need increase heat exchanger tube special
For crossing cold treatment, cause cost increase and the uncontrollable problem of degree of supercooling.
The Water-cooling type air conditioner unit of the present invention is above described according to embodiment, but the Water-cooling type air conditioner unit not only limits
Part and/or annexation described in embodiment, for example, condenser is not limited to the Shell-tube Condenser shown in embodiment；Connect
Water pond is not essential part, if can future flash-pot condensed water lead to cooling heat exchanger and exchanged heat；Remove
Using outside electric control valve, the various opening adjustment mechanisms that can control aperture can also be used；M and n number range
Control targe can be considered and cost of implementation is adjusted.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (6)
1. a kind of Water-cooling type air conditioner unit, including evaporator, condenser and orifice union, it is characterised in that the water-cooled is empty
Unit is adjusted also to include cooling heat exchanger, the refrigerant from the condenser is before the orifice union is flowed through, first with coming from institute
The condensed water for stating evaporator is exchanged heat in the cooling heat exchanger；The cooling heat exchanger also has condensation-water drain, cold
Matchmaker's entrance and refrigerant exit, the aperture of the condensation-water drain are controlled by opening adjustment mechanism；The Water-cooling type air conditioner
Unit also includes the temperature sensor for being used to measure the refrigerant temperature of the refrigerant exit, condensation temperature and institute when the refrigerant
When stating the difference of the refrigerant temperature of refrigerant exit and being less than predetermined value, the opening adjustment mechanism reduces opening for the condensation-water drain
Degree, until the condensation temperature of the refrigerant and the difference of refrigerant temperature of the refrigerant exit are equal to the predetermined value.
2. Water-cooling type air conditioner unit according to claim 1, it is characterised in that the evaporator, which has, to be used to accommodate condensation
The drip tray of water, the refrigerant from the condenser before the orifice union is flowed through, first with from the cold of the drip tray
Condensate is exchanged heat in the cooling heat exchanger.
3. Water-cooling type air conditioner unit according to claim 2, it is characterised in that the drip tray has outlet, described cold
But heat exchanger has condensing water inlet, is connected between the outlet and the condensing water inlet by condensate draining pipe.
4. Water-cooling type air conditioner unit according to claim 1, it is characterised in that the Water-cooling type air conditioner unit also includes using
In the temperature sensor for the refrigerant temperature for measuring the refrigerant exit, when condensation temperature and the refrigerant exit of the refrigerant
When the difference of refrigerant temperature is less than predetermined value, the opening adjustment mechanism reduces the aperture of the condensation-water drain every m minutes
N%, until the condensation temperature of the refrigerant and the difference of refrigerant temperature of the refrigerant exit are equal to the predetermined value；Wherein, 1≤
M≤3,2≤n≤7.
5. a kind of control method of the degree of supercooling of Water-cooling type air conditioner unit, it is characterised in that the Water-cooling type air conditioner unit includes
Evaporator, condenser, orifice union and cooling heat exchanger, the control method include：
First, the refrigerant from the condenser is made to be carried out with the condensed water from the evaporator in the cooling heat exchanger
Heat exchange；
Then, the refrigerant by heat exchange processing is made to flow through the orifice union；
The cooling heat exchanger has condensing water inlet, condensation-water drain, refrigerant inlet and refrigerant exit, and the control method is also
Including：
Adjust the aperture of the condensation-water drain so that the refrigerant temperature of the condensation temperature of the refrigerant and the refrigerant exit it
Difference is less than predetermined value；
When the condensation temperature of the refrigerant and the difference of refrigerant temperature of the refrigerant exit are less than the predetermined value, described in reduction
The aperture of condensation-water drain, until the refrigerant condensation temperature and the refrigerant exit refrigerant temperature difference be equal to it is described pre-
Definite value.
6. control method according to claim 5, it is characterised in that the control method also includes：
When the condensation temperature of the refrigerant and the difference of refrigerant temperature of the refrigerant exit are less than the predetermined value, every m points
Clock reduces the n% of the aperture of the condensation-water drain, until the condensation temperature and the refrigerant temperature of the refrigerant exit of the refrigerant
The difference of degree is equal to the predetermined value；Wherein, 1≤m≤3,2≤n≤7.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510665470.4A CN105299771B (en) | 2015-10-14 | 2015-10-14 | The control method of Water-cooling type air conditioner unit and its degree of supercooling |
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|---|---|---|---|
| CN201510665470.4A CN105299771B (en) | 2015-10-14 | 2015-10-14 | The control method of Water-cooling type air conditioner unit and its degree of supercooling |
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| CN105299771B true CN105299771B (en) | 2017-12-19 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106766080A (en) * | 2016-12-13 | 2017-05-31 | 南京奥特佳新能源科技有限公司 | Improve the method and device of air conditioner heat pump system operational efficiency |
| CN109442700B (en) * | 2018-11-08 | 2021-01-19 | 宁波奥克斯电气股份有限公司 | Energy-saving device capable of improving supercooling degree, energy-saving control method and air conditioner |
| CN109373644A (en) * | 2018-11-30 | 2019-02-22 | 青岛海尔空调电子有限公司 | Idle call supercooling apparatus and air-conditioning |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101162119A (en) * | 2006-10-10 | 2008-04-16 | 杨舰辉 | Energy-saving method and device for refrigeration system |
| CN102032725A (en) * | 2010-12-08 | 2011-04-27 | 海尔集团公司 | Supercooling device, air conditioner with device and method for controlling refrigerant flow of air conditioner |
| JP2014122728A (en) * | 2012-12-20 | 2014-07-03 | Daikin Ind Ltd | Outdoor unit of air conditioner |
| JP2014219186A (en) * | 2013-04-12 | 2014-11-20 | ダイキン工業株式会社 | Chiller device |
| CN204629845U (en) * | 2015-05-05 | 2015-09-09 | 江苏新誉空调系统有限公司 | Utilize the air-conditioning refrigeration system that condensed water is again excessively cold |
-
2015
- 2015-10-14 CN CN201510665470.4A patent/CN105299771B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101162119A (en) * | 2006-10-10 | 2008-04-16 | 杨舰辉 | Energy-saving method and device for refrigeration system |
| CN102032725A (en) * | 2010-12-08 | 2011-04-27 | 海尔集团公司 | Supercooling device, air conditioner with device and method for controlling refrigerant flow of air conditioner |
| JP2014122728A (en) * | 2012-12-20 | 2014-07-03 | Daikin Ind Ltd | Outdoor unit of air conditioner |
| JP2014219186A (en) * | 2013-04-12 | 2014-11-20 | ダイキン工業株式会社 | Chiller device |
| CN204629845U (en) * | 2015-05-05 | 2015-09-09 | 江苏新誉空调系统有限公司 | Utilize the air-conditioning refrigeration system that condensed water is again excessively cold |
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| CN105299771A (en) | 2016-02-03 |
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