CN106524360A - Control method of ice storage air conditioning system - Google Patents
Control method of ice storage air conditioning system Download PDFInfo
- Publication number
- CN106524360A CN106524360A CN201611121883.7A CN201611121883A CN106524360A CN 106524360 A CN106524360 A CN 106524360A CN 201611121883 A CN201611121883 A CN 201611121883A CN 106524360 A CN106524360 A CN 106524360A
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- CN
- China
- Prior art keywords
- cold water
- ice
- heat exchanger
- preset temperature
- air conditioning
- 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
Links
- 238000004378 air conditioning Methods 0.000 title claims abstract description 52
- 238000000034 method Methods 0.000 title claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 66
- 238000005057 refrigeration Methods 0.000 claims abstract description 13
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 36
- 239000003795 chemical substances by application Substances 0.000 claims description 29
- 239000003507 refrigerant Substances 0.000 abstract 4
- 238000001816 cooling Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 6
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 5
- 238000007791 dehumidification Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010792 warming Methods 0.000 description 2
- 206010016807 Fluid retention Diseases 0.000 description 1
- 230000001476 alcoholic effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/0017—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using cold storage bodies, e.g. ice
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/0017—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using cold storage bodies, e.g. ice
- F24F5/0021—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using cold storage bodies, e.g. ice using phase change material [PCM] for storage
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a control method of an ice storage air conditioning system, which comprises the following steps: under the ice making working condition, the dual-working-condition host provides a secondary refrigerant solution with a first preset temperature to the ice storage tank through a first water pipe; after ice making, the temperature of the secondary refrigerant solution is raised to a second preset temperature, and the ice storage tank outputs the secondary refrigerant solution at the second preset temperature through a second water pipe, wherein a heat exchanger is arranged on the second water pipe, and cold water circularly flows between the heat exchanger and the tail end of the air conditioner; exchanging heat between the secondary refrigerant solution with the second preset temperature and cold water through a heat exchanger to obtain cold water with the temperature required by the tail end of the air conditioner; if the tail end of the air conditioner has no refrigeration requirement during ice making, cold water obtained through heat exchange is stored in a water storage tank connected with a heat exchanger, the cold water circulates in the water storage tank and the heat exchanger, and the stored cold water is supplied to the tail end of the air conditioner when refrigeration is needed. The invention integrates cold storage and cold supply, and the dual-working-condition main machine can make ice and supply cold simultaneously, thereby effectively utilizing the refrigerating capacity, meeting the requirements of the tail end of an air conditioner and improving the energy utilization rate of the system.
Description
The application is to be on 04 26th, 2016 the applying date, Application No. 201610266798.3, and entitled " ice stores
The divisional application of the patent application of the control method and ice-chilling air conditioning system of cold air conditioning system ".
Technical field
The present invention relates to air-conditioning technical field, in particular to a kind of control method of ice-chilling air conditioning system.
Background technology
In traditional ice air conditioning system, Double-working-condition main frame not supplying cold directly under ice making operating mode, under cooling operating mode not
Carry out ice making.
Fig. 1 is operating diagram of the Double-working-condition main frame of prior art under ice making operating mode, as shown in figure 1, main frame offer-
5 DEG C of ethylene glycol solutions, the cold storage of ice making in Ice Storage Tank, ethylene glycol solution are warming up to 0 DEG C and return to main frame.
Fig. 2 is operating diagram of the Double-working-condition main frame of prior art under cooling operating mode, as shown in Fig. 2 main frame is provided
7/12 DEG C of solution to air conditioning terminal, to cool-down dehumidification.Wherein, in traditional ice air conditioning system, except refrigerating medium is second two
Outside alcoholic solution, remaining is as good as with conventional air conditioning system.
If wanting cold-storage (ice making), cooling while carry out, as shown in figure 3, ice making ice is melted into cold water cooling again.
Fig. 3 is the Double-working-condition main frame of prior art while the operating diagram of cold-storage cooling, as shown in figure 3, main frame provide-
5 DEG C of ethylene glycol solutions, the cold storage of ice making in Ice Storage Tank, ethylene glycol solution are warming up to 0 DEG C and return to main frame；And the ice of Ice Storage Tank melts
7/12 DEG C of Cold water supply air conditioning terminal is provided afterwards, to cool-down dehumidification.
But, it is in traditional ice air conditioning system, above-mentioned while the situation of cold-storage cooling, first ice making ice-melt again, are present
Energy dissipation.
The content of the invention
A kind of control method of ice-chilling air conditioning system is provided in the embodiment of the present invention, it is empty at least to solve traditional ice
In adjusting system, while, there is energy dissipation in first ice making ice-melt again in the case of cold-storage cooling.
For achieving the above object, a kind of control method of ice-chilling air conditioning system is embodiments provided, including：It is double
Operating mode main frame provides the refrigerating agent solution of the first preset temperature by the first water pipe under ice making operating mode to Ice Storage Tank；After ice making,
The temperature of the refrigerating agent solution rises to the second preset temperature, and the Ice Storage Tank exports the described second default temperature by the second water pipe
The refrigerating agent solution of degree, wherein, heat exchanger, recycle stream between the heat exchanger and air conditioning terminal are installed on second water pipe
Dynamic cold water, second preset temperature are higher than first preset temperature；The refrigerating agent solution of second preset temperature and institute
State cold water to be exchanged heat by the heat exchanger, obtain the temperature required cold water of the air conditioning terminal；If in ice making, described
Air conditioning terminal does not have refrigeration demand, then by the cold water storage obtained by exchanging heat to the catch basin being connected with the heat exchanger, cold
Water is circulated in the catch basin and the heat exchanger, by air-conditioning described in the Cold water supply of the catch basin storage when needing to freeze
End.
Preferably, the refrigerating agent solution in second preset temperature is changed by the heat exchanger with the cold water
After heat, methods described also includes：Refrigerating agent solution after heat exchange is delivered to into the Double-working-condition main frame.
Preferably, the refrigerating agent solution is ethylene glycol solution.
Using technical scheme, collect cold-storage, supply to be cooler than one, Double-working-condition main frame is supplied on the premise of ice making simultaneously
Cold, under effectively utilizes ice making operating mode, the refrigerating capacity (i.e. low-temperature return water) of main frame, for the demand of air conditioning terminal, improves system energy
Source utilization rate, solves the problems, such as the energy dissipation of traditional control method.In addition, when air conditioning terminal does not have refrigeration demand, will change
The cold water storage that heat is obtained can use the Cold water supply air conditioning terminal of catch basin storage to catch basin when needing to freeze, to save
Save the time needed for refrigeration.
Description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this
Bright schematic description and description does not constitute limitation of the invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is operating diagram of the Double-working-condition main frame of prior art under ice making operating mode；
Fig. 2 is operating diagram of the Double-working-condition main frame of prior art under cooling operating mode；
Fig. 3 is the Double-working-condition main frame of prior art while the operating diagram of cold-storage cooling；
Fig. 4 is the flow chart of the control method of the ice-chilling air conditioning system of the embodiment of the present invention；
Fig. 5 is the structural representation of the ice-chilling air conditioning system of the embodiment of the present invention；
Fig. 6 is another structural representation of the ice-chilling air conditioning system of the embodiment of the present invention.
Specific embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings, but not as the limit to the present invention
It is fixed.
A kind of control method of ice-chilling air conditioning system is embodiments provided, Fig. 4 is the ice of the embodiment of the present invention
The flow chart of the control method of chilling air conditioning system, as shown in figure 4, the method comprises the steps：
Step S401, Double-working-condition main frame provide first preset temperature to Ice Storage Tank by the first water pipe under ice making operating mode
Refrigerating agent solution.
Step S402, after ice making, the temperature of refrigerating agent solution rises to the second preset temperature, and Ice Storage Tank is defeated by the second water pipe
Go out the refrigerating agent solution of the second preset temperature, wherein, heat exchanger is installed on the second water pipe, is followed between heat exchanger and air conditioning terminal
Ring flowing cool water, the second preset temperature are higher than the first preset temperature.
Step S403, refrigerating agent solution and the cold water of the second preset temperature are exchanged heat by heat exchanger, obtain air-conditioning end
The temperature required cold water in end.
Step S404, if in ice making, air conditioning terminal does not have refrigeration demand, then the cold water storage that will be obtained by exchanging heat
To the catch basin being connected with heat exchanger, cold water is circulated in catch basin and heat exchanger, by the cold of catch basin storage when needing to freeze
Water supplies air conditioning terminal.
By the collection cold-storage of above-described embodiment, the ice-chilling air conditioning system control method for being cooler than one, Double-working-condition main frame
While cooling, the refrigerating capacity (i.e. low-temperature return water) of main frame under effectively utilizes ice making operating mode, for air-conditioning end on the premise of ice making
The demand at end, improves system energy utilization rate, solves the problems, such as the energy dissipation of traditional control method.In addition, at air-conditioning end
When end does not have refrigeration demand, the cold water storage that heat exchange is obtained to catch basin can use catch basin storage when needing to freeze
Cold water supply air conditioning terminal, to save the time needed for refrigeration.
In one embodiment, the refrigerating agent solution in the second preset temperature carries out heat exchange by heat exchanger with cold water
Afterwards, said method can also include：Refrigerating agent solution after heat exchange is delivered to into Double-working-condition main frame, to realize that refrigerating agent solution exists
Circulation between Double-working-condition main frame and Ice Storage Tank.
In one embodiment, above-mentioned refrigerating agent solution can be ethylene glycol solution.
Based on same inventive concept, the embodiment of the present invention additionally provides a kind of ice-chilling air conditioning system, can be used for realizing
Method described by above-described embodiment.
As shown in figure 5, the ice-chilling air conditioning system includes：Double-working-condition main frame 51, Ice Storage Tank 52, heat exchanger 53 and air-conditioning end
End 54.
Double-working-condition main frame 51 is connected with Ice Storage Tank 52 by the first water pipe 511, the second water pipe 512；Heat exchanger 53 is arranged on
On second water pipe 512；Cold water is circulated between heat exchanger 53 and air conditioning terminal 54.
Double-working-condition main frame 51, for, under ice making operating mode, providing first default temperature to Ice Storage Tank 52 by the first water pipe 511
The refrigerating agent solution of degree.The refrigerating agent solution can be ethylene glycol solution, and first preset temperature can be -5 DEG C.
Ice Storage Tank 52, for, after ice making, exporting the refrigerating agent solution of the second preset temperature by the second water pipe 512, its
In, the second preset temperature is higher than the first preset temperature.After Ice Storage Tank ice making, the temperature of refrigerating agent solution can be raised, and this is second pre-
If temperature can be 0 DEG C.
Heat exchanger 53, for exchanging heat with cold water to the refrigerating agent solution of the second preset temperature, obtains air conditioning terminal 54
Temperature required cold water (for example, 7 DEG C of chilled waters).Second preset temperature is relatively low, can will be the refrigerating medium of the second preset temperature molten
Liquid is exchanged heat with circulating water as low temperature cold source, obtains the temperature required cold water of air conditioning terminal, so as to reach the mesh of refrigeration
's.
By the collection cold-storage of above-described embodiment, the ice-chilling air conditioning system for being cooler than one, Double-working-condition main frame is in ice making
Under the premise of simultaneously cooling, the refrigerating capacity (i.e. low-temperature return water) of main frame under effectively utilizes ice making operating mode, for the demand of air conditioning terminal,
System energy utilization rate is improve, the energy dissipation of traditional control method is solved the problems, such as.
In one embodiment, as shown in fig. 6, ice-chilling air conditioning system can also include：Catch basin 55, with heat exchanger 53
Connection, in the case of 54 no refrigeration demand of air conditioning terminal, storing the low-temperature cold water obtained by exchanging heat.Need refrigeration
When the Cold water supply air conditioning terminal 54 that can be stored using catch basin 55, to save the time needed for refrigeration.Ice shown in Fig. 6 stores
Cold air conditioning system integrates ice-reserving, water-retention.
In one embodiment, the second water pipe 512 can be also used for for the refrigerating agent solution after heat exchange being delivered to Double-working-condition
Main frame 51, to realize circulation of the refrigerating agent solution between Double-working-condition main frame 51 and Ice Storage Tank 52.
By taking Fig. 6 as an example, Double-working-condition main frame 51 provides about -5 DEG C of ethylene glycol solution to Ice Storage Tank 52 under ice making operating mode,
After ice making, the temperature of ethylene glycol solution rises to about 0 DEG C.Heat exchanger 53, energy are installed on the second water pipe 512 (also referred to as return pipe)
0 DEG C ethylene glycol solution this low temperature cold source is made full use of, 4 DEG C of chilled water is obtained by heat exchange, is stored to catch basin 55, it is cold
Freeze water to circulate in catch basin 55 and heat exchanger 53.After heat exchange, the temperature of ethylene glycol solution rises to 5 DEG C, sends Double-working-condition back to
In main frame 51.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
Example ", or the description of " some examples " etc. mean specific features with reference to the embodiment or example description, structure, material or spy
Point is contained at least one embodiment or example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example are referred to necessarily.And, the specific features of description, structure, material or feature can be any
One or more embodiments or example in combine in an appropriate manner.
Certainly, it is more than the preferred embodiment of the present invention.It should be pointed out that for those skilled in the art
For, on the premise of without departing from its general principles, some improvements and modifications can also be made, these improvements and modifications
It is considered as protection scope of the present invention.
Claims (3)
1. a kind of control method of ice-chilling air conditioning system, it is characterised in that include：
Double-working-condition main frame provides the refrigerating agent solution of the first preset temperature by the first water pipe under ice making operating mode to Ice Storage Tank；
After ice making, the temperature of the refrigerating agent solution rises to the second preset temperature, and the Ice Storage Tank exports institute by the second water pipe
The refrigerating agent solution of the second preset temperature is stated, wherein, heat exchanger, the heat exchanger and air-conditioning end are installed on second water pipe
Cold water is circulated between end, second preset temperature is higher than first preset temperature；
The refrigerating agent solution of second preset temperature is exchanged heat by the heat exchanger with the cold water, obtains the air-conditioning
The temperature required cold water in end；
If in ice making, the air conditioning terminal does not have refrigeration demand, then by by exchange heat the cold water storage that obtains to it is described
The catch basin of heat exchanger connection, cold water are circulated in the catch basin and the heat exchanger, by the catch basin when needing to freeze
Air conditioning terminal described in the Cold water supply of storage.
2. method according to claim 1, it is characterised in that second preset temperature refrigerating agent solution with it is described
After cold water is exchanged heat by the heat exchanger, methods described also includes：
Refrigerating agent solution after heat exchange is delivered to into the Double-working-condition main frame.
3. method according to claim 1, it is characterised in that the refrigerating agent solution is ethylene glycol solution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611121883.7A CN106524360A (en) | 2016-04-26 | 2016-04-26 | Control method of ice storage air conditioning system |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611121883.7A CN106524360A (en) | 2016-04-26 | 2016-04-26 | Control method of ice storage air conditioning system |
| CN201610266798.3A CN105805872A (en) | 2016-04-26 | 2016-04-26 | Control method of ice storage air conditioning system and ice storage air conditioning system |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610266798.3A Division CN105805872A (en) | 2016-04-26 | 2016-04-26 | Control method of ice storage air conditioning system and ice storage air conditioning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106524360A true CN106524360A (en) | 2017-03-22 |
Family
ID=56457809
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611121883.7A Pending CN106524360A (en) | 2016-04-26 | 2016-04-26 | Control method of ice storage air conditioning system |
| CN201610266798.3A Pending CN105805872A (en) | 2016-04-26 | 2016-04-26 | Control method of ice storage air conditioning system and ice storage air conditioning system |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610266798.3A Pending CN105805872A (en) | 2016-04-26 | 2016-04-26 | Control method of ice storage air conditioning system and ice storage air conditioning system |
Country Status (1)
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| CN (2) | CN106524360A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108180580B (en) * | 2018-02-13 | 2024-02-09 | 南京工程学院 | Air conditioning system with cross-season energy storage function |
| CN113566398A (en) * | 2020-04-28 | 2021-10-29 | 广东美的制冷设备有限公司 | Control method of mobile air conditioner and mobile air conditioner |
| CN112665122A (en) * | 2020-12-10 | 2021-04-16 | 珠海格力电器股份有限公司 | Ice storage control method and device and ice storage air conditioner |
| CN115875763B (en) * | 2022-11-15 | 2024-08-23 | 珠海格力电器股份有限公司 | Energy storage air conditioning system, control method and device thereof and computer readable storage medium |
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| JP2000088297A (en) * | 1998-09-17 | 2000-03-31 | Hitachi Ltd | Ice heat storage type air-conditioning device and ice heat storage tank |
| JP2006258334A (en) * | 2005-03-16 | 2006-09-28 | Shinshu Univ | Ice making device and its method |
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| CN103196198A (en) * | 2013-04-26 | 2013-07-10 | 周平中 | Heat-pump device of closed type ice-storage air conditioner |
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| JP3320385B2 (en) * | 1999-07-13 | 2002-09-03 | 株式会社関電工 | Control method of ice storage type air conditioning system |
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| CN201218577Y (en) * | 2008-05-14 | 2009-04-08 | 张建瓴 | Exhaust heat recovery and cold accumulation apparatus |
| CN201652646U (en) * | 2010-02-08 | 2010-11-24 | 重庆远雄制冷成套设备有限公司 | Dynamic ice cold storage system |
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|---|---|---|---|---|
| JPH0391635A (en) * | 1989-09-05 | 1991-04-17 | Mitsubishi Electric Corp | Ice thermal accumulating device |
| JP2000088297A (en) * | 1998-09-17 | 2000-03-31 | Hitachi Ltd | Ice heat storage type air-conditioning device and ice heat storage tank |
| JP2006258334A (en) * | 2005-03-16 | 2006-09-28 | Shinshu Univ | Ice making device and its method |
| CN101487613A (en) * | 2009-02-12 | 2009-07-22 | 戴思嘉 | Ice-chilling air conditioning system |
| CN103403460A (en) * | 2011-02-25 | 2013-11-20 | 开利公司 | Air conditioning system with ice storage |
| CN103196198A (en) * | 2013-04-26 | 2013-07-10 | 周平中 | Heat-pump device of closed type ice-storage air conditioner |
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| Publication number | Publication date |
|---|---|
| CN105805872A (en) | 2016-07-27 |
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Application publication date: 20170322 |