CN106594929A - Ice storage central air-conditioning system and optimal control method - Google Patents
Ice storage central air-conditioning system and optimal control method Download PDFInfo
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- CN106594929A CN106594929A CN201611178480.6A CN201611178480A CN106594929A CN 106594929 A CN106594929 A CN 106594929A CN 201611178480 A CN201611178480 A CN 201611178480A CN 106594929 A CN106594929 A CN 106594929A
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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
- 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
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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
- 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
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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
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
-
- 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
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
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- 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
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- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
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- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Signal Processing (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses an ice storage central air-conditioning system and an optimal control method. The ice storage central air-conditioning system comprises a cooling tower, a refrigerating machine, an ice tank, a plate heat exchanger, a base load cooling machine, a cooling water pump, an ethylene glycol pump, an electric valve V1, an electric valve V2, an electric valve V3, an electric valve V4, a first chilled water pump and a second chilled water pump, and all the structures communicate with one another through pipelines. By means of five set operation conditions, the ice storage central air-conditioning system can be automatically switched through a control system according to time and load variation situations, wherein some of the operation conditions can be adopted only when extreme cases occur or certain equipment is maintained, automatic or manual use adjustment for operation can be achieved on the aspect of system design, more operation guarantees are provided for users, and electricity consumption and air-conditioning operation cost are greatly reduced.
Description
Technical field
The present invention relates to central air-conditioning energy technical field, specially a kind of ice storage central air-conditioning system and optimal control
Method.
Background technology
Ice storage central air-conditioning is a kind of electric power peak load shifting technology, using the special electrovalence policy of night government, is opened
Refrigeration host computer, ice-storage equipment stores cold, daytime peak of power consumption, the high price electric period, stop or intermittent duty refrigeration master
Machine, the cold for discharging night storage replaces fridge for air conditioning system cooling.Major Systems advantage is as follows：Paddy electricity can be enjoyed preferential
Policy, rationally utilize time-of-use tariffs price difference, reduce air conditioning system operating cost；In addition to electricity price, using ice storage air conditioner, government gives
Give the subsidy policies such as ice-storage air-conditioning system discount loan；Refrigeration host computer capacity is reduced, air conditioning system power engineering expense is reduced；It is cold
Water dispenser group life cycle management service efficiency is improved comprehensively.Air conditioner cold water unit is set more smoothly to run, service life extends；
Air conditioning system flexible adjustment, under Smaller load state, can ice-melt cooling, it is to avoid refrigeration host computer fallback, energy-saving effect is notable；Can
The big temperature difference of chilled water or cold air distribution are realized, construction costs is reduced；The cold storage capacity of ice storage unit can have a power failure as emergent low-temperature receiver
When need to only open cooling by water pump, improve the reliability of air conditioning system；Quick cooling is capable of achieving, i.e., need not open cold,
Direct ice-melt cooling；Alleviate the situation of national grid power supply shortage, balance national grid peak valley electric load round the clock, reduce
Power plant construction scale, improve generating efficiency；Discharge capacity, the energy saving of the harmful substance such as coal smoke and SO2, CO2 are reduced, is protected
Retaining ring border；To realize that national low-carbon economy contributes.Based on above-mentioned advantage, it is necessary to which ice storage central air-conditioning system is provided
A kind of more fully optimal control method, to improve the use advantage of ice storage central air-conditioning.
The content of the invention
It is an object of the invention to provide a kind of ice storage central air-conditioning system and optimal control method, the method is system
Five kinds of operating conditions are devised, can be over time and the situation of change of load is automatically switched by control system also several
Kind of operating mode provide the user more operational supports using only just using in extreme case or some equipment repair and maintenance, with
Solve the problems, such as to be proposed in above-mentioned background technology.
For achieving the above object, the present invention provides following technical scheme：A kind of ice storage central air-conditioning system, including cooling
Tower, refrigeration machine, ice bank, the Single port of plate type heat exchanger and base load cold, cooling tower and refrigeration machine are interconnected by pipeline, cold
But the another port of tower and refrigeration machine is plugged on cooling water pump by pipeline；Distinguished by pipeline in the output port of refrigeration machine
Connection eg pump, ice bank and plate type heat exchanger, and it is electric to be disposed with V1 on the pipeline of connection ice bank and plate type heat exchanger
Movable valve, V2 electrically operated valves and V3 electrically operated valves；The output port of eg pump is connected in parallel on ice bank and plate-type heat-exchange by pipeline
On device, and V4 electrically operated valves are provided with the pipeline connected with ice bank；Connected respectively by pipeline at the two ends of plate type heat exchanger
Be connected to the first chilled water pump and base load cold, the output port of the first chilled water pump by pipeline be parallel with the second chilled water pump and
The other end of user pipe, the second chilled water pump and user pipe is plugged on respectively in base load cold.
The present invention provides another kind of technical scheme：A kind of optimal control method of ice storage central air-conditioning system, including with
Lower five operating conditions：
S1：Refrigerating unit with dual duty ice-reserving+base load cold cooling, its eg pump unlatching, V1 electrically operated valves and V4 electrodynamic valves
Door is opened, and V2 electrically operated valves and V3 electrically operated valves are closed；Plate type heat exchanger and the first chilled water pump are shut down, base load cold and second
Chilled water pump start cooling, cooling tower and cooling water pump coordinate refrigeration machine to open operation；
S2：Refrigerating unit with dual duty+ice storage unit+base load cold air conditioning, refrigerating unit with dual duty is run with air conditioning condition,
Eg pump, ice bank, plate type heat exchanger, the first chilled water pump, base load cold, the second chilled water pump, cooling tower and cooling water pump
Open；V1 electrically operated valves and V2 electrically operated valves are adjusted, and V3 electrically operated valves are opened, and V4 electrically operated valves are closed；
S3：Ice storage unit+base load cold air conditioning, ice bank, eg pump, plate type heat exchanger, the first chilled water pump, base
Refrigerating machine, the second chilled water pump, base load cooling tower and base load cooling water pump are opened；And refrigerating unit with dual duty and supporting cooling
Tower and cooling water pump are shut down；V1 electrically operated valves and V2 electrically operated valves are adjusted, and V3 electrically operated valves are opened, and V4 electrically operated valves are closed；
S4：The independent cooling of ice storage unit, ice bank, eg pump, plate type heat exchanger and the first chilled water pump start operation is double
Operating mode refrigeration machine and the cooling of supporting cooling tower, cooling water pump, base load cold, the second chilled water pump, base load cooling tower and base load
Water pump is shut down；V1 electrically operated valves and V2 electrically operated valves are adjusted, and V3 electrically operated valves are opened, and V4 electrically operated valves are closed；
S5：Double-working-condition cold+base load cold air conditioning, refrigerating unit with dual duty and supporting cooling tower, cooling water pump, second
Glycol pump, plate type heat exchanger, the first chilled water pump, base load cold, the second chilled water pump, base load cooling tower and base load cooling water pump
Need to open according to refrigeration duty, ice bank is shut down, V2 electrically operated valves, the unlatching of V3 electrically operated valves, V1 electrically operated valves and V4 electrically operated valves
Close.
Preferably, it is 23 for refrigerating unit with dual duty ice storage time in S1:00—07:00, the period is the electric power low ebb phase,
Totally 8 hours.
Preferably, it is applied to summer climate for refrigerating unit with dual duty+ice storage unit in S2+base load cold air conditioning scorching
Hot season, in the refrigeration duty demand maximum period by Double-working-condition cold, ice storage unit and base load cold air conditioning.
Preferably, it is applied to transition season for ice storage unit in S3+base load cold air conditioning, air conditioner load is less big
Period when combining base load cold by ice storage unit cold required in the daytime being provided, the efficiency of base load cold is than Double-working-condition cold
It is high.
Preferably, it is applied to the less big transition season of air-conditioning refrigeration duty for the independent cooling of ice storage unit in S4, relies on
Ice storage unit carries out full ice-melt cooling, saves operating cost.
Preferably, it is applied to some air conditioner loads than larger for Double-working-condition cold in S5+base load cold air conditioning
In the case of, according to refrigeration duty decision can be needed to open base load cold or Double-working-condition cold.
Compared with prior art, the invention has the beneficial effects as follows：This ice storage central air-conditioning system and optimal control method,
By the refrigerating unit with dual duty ice-reserving+base load cold cooling, the refrigerating unit with dual duty+ice storage unit+base load cold joint confession that arrange
Cold, ice storage unit+base load cold air conditioning, the independent cooling of ice storage unit and Double-working-condition cold+base load cold air conditioning
Five kinds of operating conditions so that ice storage central air-conditioning can over time and the situation of change of load is carried out automatically by control system
Switching；Wherein, several operating modes be using only just using in extreme case or some equipment repair and maintenance, can be with system design
Automatic or manual is adjusted using being run, and to be supplied to the more operational supports of user, has greatly saved the loss of electric energy
And the operating cost of air-conditioning.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is the operating state table of each valve of ice-storage system of the present invention.
In figure：1 cooling tower, 2 refrigeration machines, 3 ice banks, 4 plate type heat exchangers, 5 base load cold, 6 cooling water pumps, 7 eg pumps,
8V1 electrically operated valves, 9V2 electrically operated valves, 10V3 electrically operated valves, 11V4 electrically operated valves, 12 first chilled water pumps, 13 second chilled waters
Pump, 14 user pipes.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Fig. 1 and Fig. 2 is referred to, the present invention provides a kind of technical scheme：A kind of ice storage central air-conditioning system, including cooling
The Single port of tower 1, refrigeration machine 2, ice bank 3, plate type heat exchanger 4 and base load cold 5, cooling tower 1 and refrigeration machine 2 is mutual by pipeline
The another port of connection, cooling tower 1 and refrigeration machine 2 is plugged on cooling water pump 6 by pipeline；In the output port of refrigeration machine 2
Eg pump 7, ice bank 3 and plate type heat exchanger 4 are connected respectively by pipeline, and in connection ice bank 3 and the pipeline of plate type heat exchanger 4
On be disposed with V1 electrically operated valves 8, V2 electrically operated valves 9 and V3 electrically operated valves 10；The output port of eg pump 7 passes through pipeline
It is connected in parallel in ice bank 3 and plate type heat exchanger 4, and V4 electrically operated valves 11 is provided with the pipeline connected with ice bank 3；Change board-like
The two ends of hot device 4 are connected to the first chilled water pump 12 and base load cold 5, the outfan of the first chilled water pump 12 by pipeline
Mouth is parallel with the other end of the second chilled water pump 13 and user pipe 14, the second chilled water pump 13 and user pipe 14 by pipeline
It is plugged on respectively in base load cold 5.
The present invention provides another kind of technical scheme：A kind of optimal control method of ice storage central air-conditioning system, including with
Lower five operating conditions：
S1：Refrigerating unit with dual duty ice-reserving+base load cold cooling, it is applied to the time for 23:00—07:00, the period is
The electric power low ebb phase, totally 8 hours；According to the principle of optimality of ice storage system, refrigeration machine 2 makes full use of locality in electric power low-valley interval
Low-price electricity runs ice making, the Double-working-condition cold oepration at full load within the period, by the ethylene glycol solution of low temperature by ice bank 3
Water makes ice, and now the efficiency of refrigerating unit with dual duty has corresponding reduction, and ethylene glycol solution is followed between Double-working-condition cold and ice bank 3
Ring, with the increase and the passage of time of ice storage amount, the outlet temperature of refrigerating unit with dual duty is gradually reduced, when system is deposited in ice bank 3
Ice amount when reaching design requirement, refrigerating unit with dual duty is automatically stopped Xu Yuanzhong operation, switch to air conditioning condition carry out cooling or
Person shuts down；Around here the refrigeration duty required for night reception is provided by base load cold 5, and plate type heat exchanger 4 now turns without heat
Move, two sets of systems work independently；Its operation logic is opened for eg pump 7, and refrigerating unit with dual duty is with the operation of ice making operating mode, ice bank
3 open, and V1 electrically operated valves 8 and V4 electrically operated valves 11 are opened, and V2 electrically operated valves 9 and V3 electrically operated valves 10 are closed；Plate type heat exchanger 4
Shut down with the first chilled water pump 12, the start cooling of 5 and second chilled water pump of base load cold 13, cooling tower 1 and cooling water pump 6 coordinate
Refrigeration machine opens operation；
S2：Refrigerating unit with dual duty+ice storage unit+base load cold air conditioning, it is applied to summer climate hot season,
The refrigeration duty demand maximum period by Double-working-condition cold, ice bank 3 and the air conditioning of base load cold 5, due to the refrigeration of base load cold 5
Efficiency is higher, cooling at full capacity of trying one's best when work is started shooting；Simultaneously Double-working-condition cold is with air conditioning condition operation, the ethylene glycol of outlet
Solvent portions are bypassed, and are partially into the ice-melt of ice bank 3 cooling, and mixing, to the side cooling of user pipe 14, is passed through by plate type heat exchanger 4
Adjust the aperture of V1 electrically operated valves 8 and V2 electrically operated valves 9 to adjust cooling temperature and supply cold flow, in cases of otherwise standard design day or mistake
Cross season, air-conditioning refrigeration duty has considerable degree of reduction, effective ice-melt of ice bank 3 can be realized by optimal control, ensureing
While meeting air conditioning system refrigeration duty demand, the transportation load of the equipment such as Double-working-condition cold, base load cold 5 is reduced to greatest extent
To reduce operating cost；Its operation logic is that eg pump 7, ice bank 3, plate type heat exchanger 4, the first chilled water pump 12, base load are cold
Machine 5, the second chilled water pump 13, cooling tower 1 and cooling water pump 6 are opened；V1 electrically operated valves 8 and V2 electrically operated valves 9 are adjusted, and V3 is electric
Movable valve 10 is opened, and V4 electrically operated valves 11 are closed；
S3：Ice storage unit+base load cold air conditioning, it is applied to transition season, the air conditioner load less big period by
When the joint base load of ice bank 3 cold 5 provides cold required in the daytime, the efficiency of base load cold 5 is higher than Double-working-condition cold；Its operation is former
Manage as ice bank 3, eg pump 7, plate type heat exchanger 4, the first chilled water pump 12, base load cold 5, the second chilled water pump 13, base load
Cooling tower and base load cooling water pump are opened；And refrigerating unit with dual duty and supporting cooling tower 1 and cooling water pump 6 are shut down；V1 is electric
Movable valve 8 and V2 electrically operated valves 9 are adjusted, and V3 electrically operated valves 10 are opened, and V4 electrically operated valves 11 are closed；
S4：The independent cooling of ice storage unit, it is applied to the less big transition season of air-conditioning refrigeration duty, in order to save running cost
Full ice-melt cooling is carried out with ice bank 3 can be fully relied on, so as to fully demonstrate the superiority of ice-storage system；At this moment daytime, base load was cold
Machine 5 and refrigerating unit with dual duty are cut off, in addition to eg pump 7, the chilled water pump 12 of plate type heat exchanger 4 and first consume a small amount of electric energy,
Big electrical equipment operation is there is no, the purpose of electrical network peak load shifting can be to greatest extent reached, operating cost is saved；
If ice-melt semen donors disclosure satisfy that the air-conditioning requirement of user, system will as far as possible according to this mode operation；Its operation logic is
Ice bank 3, eg pump 7, the start operation of 4 and first chilled water pump of plate type heat exchanger 12, refrigerating unit with dual duty and supporting cooling
Tower 1, cooling water pump 6, base load cold 5, the second chilled water pump 13, base load cooling tower and base load cooling water pump are shut down；V1 is electronic
Valve 8 and V2 electrically operated valves 9 are adjusted, and V3 electrically operated valves 10 are opened, and V4 electrically operated valves 11 are closed；
S5：Double-working-condition cold+base load cold air conditioning, it is applied to some air conditioner loads than in the case of larger, such as
Need to work in this mode when the pipeline of ice bank 3, overhaul of the equipments, certain air-conditioning refrigeration duty less big period can be according to refrigeration duty needs
Base load cold 5 or Double-working-condition cold are opened in decision, comparatively because the efficiency of base load cold 5 is more slightly higher, so as far as possible preferential
Base load cold 5 is opened, being then turned on Double-working-condition cold if cold also deficiency carries out cooling；Its operation logic is Double-working-condition system
Cold and supporting cooling tower 1, cooling water pump 6, eg pump 7, plate type heat exchanger 4, the first chilled water pump 12, base load cold 5,
Second chilled water pump 13, base load cooling tower and base load cooling water pump need to open according to refrigeration duty, and ice bank 3 is shut down, V2 electrodynamic valves
Door 9, V3 electrically operated valves 10 is opened, and V1 electrically operated valves 8 and V4 electrically operated valves 11 are closed.
In sum：This ice storage central air-conditioning system and optimal control method, are stored by the refrigerating unit with dual duty for arranging
Ice+base load cold cooling, refrigerating unit with dual duty+ice storage unit+base load cold air conditioning, ice storage unit+base load cold joint
Five kinds of operating conditions of the independent cooling of cooling, ice storage unit and Double-working-condition cold+base load cold air conditioning so that in ice cold-storage
Centre air-conditioning can over time and the situation of change of load is automatically switched by control system；Wherein, several operating modes are used only
Can just use in extreme case or some equipment repair and maintenance, can adjust to use with automatic or manual in system design and be transported
OK, to be supplied to the more operational supports of user, the loss of electric energy and the operating cost of air-conditioning have greatly been saved.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any those familiar with the art the invention discloses technical scope in, technology according to the present invention scheme and its
Inventive concept equivalent or change in addition, all should be included within the scope of the present invention.
Claims (7)
1. a kind of ice storage central air-conditioning system, it is characterised in that including cooling tower (1), refrigeration machine (2), ice bank (3), board-like
The Single port of heat exchanger (4) and base load cold (5), cooling tower (1) and refrigeration machine (2) is interconnected by pipeline, cooling tower (1)
It is plugged on cooling water pump (6) by pipeline with the another port of refrigeration machine (2)；Pass through pipe in the output port of refrigeration machine (2)
Road connects respectively eg pump (7), ice bank (3) and plate type heat exchanger (4), and in connection ice bank (3) and plate type heat exchanger (4)
V1 electrically operated valves (8), V2 electrically operated valves (9) and V3 electrically operated valves (10) are disposed with pipeline；The output of eg pump (7)
Port is connected in parallel in ice bank (3) and plate type heat exchanger (4) by pipeline, and is provided with V4 on the pipeline connected with ice bank (3)
Electrically operated valve (11)；The first chilled water pump (12) is connected to by pipeline at the two ends of plate type heat exchanger (4) and base load is cold
Machine (5), the output port of the first chilled water pump (12) is parallel with the second chilled water pump (13) and user pipe (14) by pipeline,
The other end of the second chilled water pump (13) and user pipe (14) is plugged on respectively in base load cold (5).
2. a kind of optimal control method of ice storage central air-conditioning system, it is characterised in that including following five operating conditions：
S1：Refrigerating unit with dual duty ice-reserving+base load cold cooling, its eg pump (7) is opened, and V1 electrically operated valves (8) and V4 are electronic
Valve (11) is opened, and V2 electrically operated valves (9) and V3 electrically operated valves (10) are closed；Plate type heat exchanger (4) and the first chilled water pump
(12) shutdown, base load cold (5) and the second chilled water pump (13) start cooling, cooling tower (1) and cooling water pump (6) coordinate refrigeration
Machine opens operation；
S2：Refrigerating unit with dual duty+ice storage unit+base load cold air conditioning, refrigerating unit with dual duty is with air conditioning condition operation, second two
Alcohol pump (7), ice bank (3), plate type heat exchanger (4), the first chilled water pump (12), base load cold (5), the second chilled water pump (13),
Cooling tower (1) and cooling water pump (6) are opened；V1 electrically operated valves (8) and V2 electrically operated valves (9) are adjusted, V3 electrically operated valves (10)
Open, V4 electrically operated valves (11) are closed；
S3：Ice storage unit+base load cold air conditioning, ice bank (3), eg pump (7), plate type heat exchanger (4), the first chilled water
Pump (12), base load cold (5), the second chilled water pump (13), base load cooling tower and base load cooling water pump are opened；And Double-working-condition system
Cold and supporting cooling tower (1) and cooling water pump (6) are shut down；V1 electrically operated valves (8) and V2 electrically operated valves (9) are adjusted, and V3 is electric
Movable valve (10) is opened, and V4 electrically operated valves (11) are closed；
S4：The independent cooling of ice storage unit, ice bank (3), eg pump (7), plate type heat exchanger (4) and the first chilled water pump (12) are opened
Machine operation, refrigerating unit with dual duty and supporting cooling tower (1), cooling water pump (6), base load cold (5), the second chilled water pump
(13), base load cooling tower and base load cooling water pump are shut down；V1 electrically operated valves (8) and V2 electrically operated valves (9) are adjusted, V3 electrodynamic valves
Door (10) is opened, and V4 electrically operated valves (11) are closed；
S5：Double-working-condition cold+base load cold air conditioning, refrigerating unit with dual duty and supporting cooling tower (1), cooling water pump (6),
Eg pump (7), plate type heat exchanger (4), the first chilled water pump (12), base load cold (5), the second chilled water pump (13), base load
Cooling tower and base load cooling water pump need to open according to refrigeration duty, and ice bank (3) is shut down, V2 electrically operated valves (9), V3 electrically operated valves
(10) open, V1 electrically operated valves (8) and V4 electrically operated valves (11) are closed.
3. the optimal control method of a kind of ice storage central air-conditioning system according to claim 2, it is characterised in that be directed to
Refrigerating unit with dual duty ice storage time is 23 in S1:00—07:00, the period be the electric power low ebb phase, totally 8 hours.
4. the optimal control method of a kind of ice storage central air-conditioning system according to claim 2, it is characterised in that be directed to
Refrigerating unit with dual duty+ice storage unit+base load cold air conditioning is applied to summer climate hot season in S2, in refrigeration duty demand
The maximum period is by Double-working-condition cold, ice bank (3) and base load cold (5) air conditioning.
5. the optimal control method of a kind of ice storage central air-conditioning system according to claim 2, it is characterised in that be directed to
Ice storage unit+base load cold air conditioning is applied to transition season in S3, and the air conditioner load less big period is combined by ice bank (3)
When base load cold (5) provides cold required in the daytime, the efficiency of base load cold (5) is higher than Double-working-condition cold.
6. the optimal control method of a kind of ice storage central air-conditioning system according to claim 2, it is characterised in that be directed to
The independent cooling of ice storage unit is applied to the less big transition season of air-conditioning refrigeration duty in S4, and by ice bank (3) full ice-melt confession is carried out
It is cold, save operating cost.
7. the optimal control method of a kind of ice storage central air-conditioning system according to claim 2, it is characterised in that be directed to
Double-working-condition cold+base load cold air conditioning is applied to some air conditioner loads than in the case of larger in S5, can be according to refrigeration duty
Decision is needed to open base load cold (5) or Double-working-condition cold.
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| CN201611178480.6A CN106594929A (en) | 2016-12-19 | 2016-12-19 | Ice storage central air-conditioning system and optimal control method |
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| CN201611178480.6A CN106594929A (en) | 2016-12-19 | 2016-12-19 | Ice storage central air-conditioning system and optimal control method |
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| CN107289594A (en) * | 2017-07-24 | 2017-10-24 | 珠海格力电器股份有限公司 | Air conditioning unit, air conditioning control network and air conditioning control method |
| CN107327996A (en) * | 2017-07-26 | 2017-11-07 | 中国科学院广州能源研究所 | A kind of modular data center |
| CN107621042A (en) * | 2017-08-30 | 2018-01-23 | 滁州市西控电子有限公司 | A kind of central air-conditioning centralized control system |
| CN109294523A (en) * | 2018-10-18 | 2019-02-01 | 浙江大学山东工业技术研究院 | A kind of cold accumulation air-conditioner |
| CN109882977A (en) * | 2019-03-21 | 2019-06-14 | 北京超腾智慧能源科技股份有限公司 | A kind of electrodynamic type water cooling summer ice-storage air-conditioning system |
| CN110220253A (en) * | 2019-05-10 | 2019-09-10 | 姚博 | A kind of Investigation of Cold Storage Centralized Air Conditioning Systems and its operation method |
| CN110848839A (en) * | 2019-11-06 | 2020-02-28 | 珠海新源热力有限公司 | Regional cold supply system and method capable of dynamically accumulating cold |
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| CN114234401A (en) * | 2021-12-27 | 2022-03-25 | 上海美控智慧建筑有限公司 | Control method and device of ice storage air conditioning system and electronic equipment |
| CN114279010A (en) * | 2021-12-16 | 2022-04-05 | 珠海格力电器股份有限公司 | Multi-working-condition switching control method, device and system for ice storage system |
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| CN107327996A (en) * | 2017-07-26 | 2017-11-07 | 中国科学院广州能源研究所 | A kind of modular data center |
| CN107621042A (en) * | 2017-08-30 | 2018-01-23 | 滁州市西控电子有限公司 | A kind of central air-conditioning centralized control system |
| CN109294523A (en) * | 2018-10-18 | 2019-02-01 | 浙江大学山东工业技术研究院 | A kind of cold accumulation air-conditioner |
| CN109882977A (en) * | 2019-03-21 | 2019-06-14 | 北京超腾智慧能源科技股份有限公司 | A kind of electrodynamic type water cooling summer ice-storage air-conditioning system |
| CN110220253A (en) * | 2019-05-10 | 2019-09-10 | 姚博 | A kind of Investigation of Cold Storage Centralized Air Conditioning Systems and its operation method |
| CN110848839A (en) * | 2019-11-06 | 2020-02-28 | 珠海新源热力有限公司 | Regional cold supply system and method capable of dynamically accumulating cold |
| CN110848839B (en) * | 2019-11-06 | 2024-05-24 | 珠海新源热力有限公司 | Regional cooling system and method capable of dynamically accumulating cold |
| CN111140952A (en) * | 2019-12-30 | 2020-05-12 | 江苏格林斯曼蓄能科技有限公司 | Corrosion-resistant cold-hot common-tank energy storage and supply system and method |
| CN111140951A (en) * | 2019-12-30 | 2020-05-12 | 江苏格林斯曼蓄能科技有限公司 | Cold-hot common-tank energy storage and supply system and method |
| CN112460704B (en) * | 2020-11-23 | 2021-12-14 | 珠海格力电器股份有限公司 | Control device and method of ice cold storage system and ice cold storage system |
| CN112460704A (en) * | 2020-11-23 | 2021-03-09 | 珠海格力电器股份有限公司 | Control device and method of ice cold storage system and ice cold storage system |
| CN114279010A (en) * | 2021-12-16 | 2022-04-05 | 珠海格力电器股份有限公司 | Multi-working-condition switching control method, device and system for ice storage system |
| CN114234401A (en) * | 2021-12-27 | 2022-03-25 | 上海美控智慧建筑有限公司 | Control method and device of ice storage air conditioning system and electronic equipment |
| WO2023124782A1 (en) * | 2021-12-27 | 2023-07-06 | 上海美控智慧建筑有限公司 | Control method and apparatus of ice storage air conditioning system, and electronic device |
| CN114543405A (en) * | 2022-01-27 | 2022-05-27 | 上海发电设备成套设计研究院有限责任公司 | Energy auditing method, device, equipment and storage medium for refrigeration system |
| CN114543405B (en) * | 2022-01-27 | 2024-01-23 | 上海发电设备成套设计研究院有限责任公司 | Energy auditing method, device and equipment of refrigeration system and storage medium |
| CN115839524A (en) * | 2022-11-28 | 2023-03-24 | 广东禹铎环境技术发展有限公司 | Air conditioning system with dynamic ice storage function and control method thereof |
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