CN105318467A - Energy storage system based on energy efficiency of air conditioner system and operating method of energy storage system - Google Patents
Energy storage system based on energy efficiency of air conditioner system and operating method of energy storage system Download PDFInfo
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- CN105318467A CN105318467A CN201510782699.6A CN201510782699A CN105318467A CN 105318467 A CN105318467 A CN 105318467A CN 201510782699 A CN201510782699 A CN 201510782699A CN 105318467 A CN105318467 A CN 105318467A
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- energy
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- conditioner set
- energy storage
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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
- F24F11/89—Arrangement or mounting of control or safety devices
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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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- Life Sciences & Earth Sciences (AREA)
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- Air Conditioning Control Device (AREA)
Abstract
The invention discloses an energy storage system based on the energy efficiency of an air conditioner system and an operating method of the energy storage system. The energy storage system comprises an air conditioner unit, one or more air conditioner tail ends connected in parallel, a heat exchanger, an energy storage device and a control device. The air conditioner tail ends and the air conditioner unit are connected to form a cold and heat source circulating loop; the heat exchanger and the air conditioner unit are connected to form a heat exchange loop allowing a cold and heat source to pass through; the energy storage device and the heat exchanger are connected to form an energy storage loop, and energy storage water stored in the energy storage device and the cold and heat source of the air conditioner unit are subjected to cold and heat exchange in the heat exchanger; the control device is electrically connected with the air conditioner unit and the heat exchanger so that the heat exchange loop and the energy storage loop can be switched on or switched off according to loads of the air conditioner unit. By means of the energy storage system, the operating energy efficiency of the air conditioner unit in the system is improved, and the operating expenses of the air conditioner unit are reduced.
Description
Technical field
The present invention relates to central air-conditioning and energy accumulating technique field, particularly relate to a kind of energy-storage system based on air-conditioning system efficiency and operation method thereof.
Background technology
Along with Pinggu, peak electrovalence policy is implemented on a large scale in the whole nation, energy accumulating technique during low power consumption at night is also in large-scale popularization, in city, existing or new building central air conditioner system is when designing or use, and subregion does not become design due to overtime work or other workload demands very much or uses a difficult problem.Because this problem can cause central air conditioner system to account for whole system electricity consumption air-conditioner set over half operationally because the little efficiency of load is low particularly in system, then make whole system efficiency low cause running uneconomical.
Air-conditioner set in night system is opened separately as during for Cooling and Heat Source, and common way is whole air-conditioner set accumulation of energy or whole air-conditioner set energy supply, and the part energy of this air-conditioner set can not be allowed to store, and part energy is fed to air conditioning terminal.Reason is as follows: the efficiency being first exactly the main frame of accumulation of energy part is higher, and the efficiency of the main frame of directly energy supply can not ensure, its change along with end load and changing, and the efficiency of main frame can not be made to perform to maximum; Secondly, if air-conditioner set number of units is less, and load factor is lower, when low ebb has energy more than needed (cold/heat), can not energy accumulating technique be implemented when not newly increasing air-conditioner set due to the restriction of system pipeline, thus limit its energy-conservation space.Saying above, existing accumulation of energy pipe-line system not only can not promote integral air conditioner system energy efficiency to greatest extent, limits again the popularization of energy accumulating technique to a certain extent.
Summary of the invention
The technical problem to be solved in the present invention is, provides a kind of and improves the operational energy efficiency of air-conditioner set, the energy-storage system based on air-conditioning system efficiency saving operating cost and operation method thereof.
The technical solution adopted for the present invention to solve the technical problems is: provide a kind of energy-storage system based on air-conditioning system efficiency, comprises air-conditioner set, the air conditioning terminal of one or more parallel connection, heat exchanger, energy storage equipment and control device; Described air conditioning terminal is connected to form Cooling and Heat Source closed circuit with described air-conditioner set; Described heat exchanger is connected to form the heat-exchanging loop passed through for Cooling and Heat Source with described air-conditioner set; Described energy storage equipment is connected to form energy storage loop with described heat exchanger, and the accumulation of energy water stored in described energy storage equipment and the Cooling and Heat Source of described air-conditioner set carry out cold and hot exchange in described heat exchanger; Described control device and described air-conditioner set and heat exchanger are electrically connected, to open and close described heat-exchanging loop and energy storage loop according to described air-conditioner set load.
Preferably, the entrance point of described air conditioning terminal connects the output of described air-conditioner set by inlet channel, the port of export of described air conditioning terminal connects the input of described air-conditioner set by water return pipeline, the described Cooling and Heat Source closed circuit of formation thus described air-conditioner set, inlet channel, air conditioning terminal are connected with water return pipeline;
Described inlet channel is provided with the first valve controlling this inlet channel break-make.
Preferably, one water inlet end of described heat exchanger connects the output of described air-conditioner set by inlet channel, one water side of described heat exchanger connects the input of described air-conditioner set by water return pipeline, the described heat-exchanging loop of formation thus described air-conditioner set, inlet channel, heat exchanger are connected with water return pipeline;
The described inlet channel be connected on the described water inlet end of described heat exchanger is provided with the second valve controlling this inlet channel break-make; Described control device and described second valve are electrically connected, to control keying and the aperture of described second valve.
Preferably, this energy-storage system also comprises and being arranged on described Cooling and Heat Source closed circuit, heat-exchanging loop, orders about the water pump of air conditioner of described Cooling and Heat Source in described Cooling and Heat Source closed circuit, heat-exchanging loop circulation.
Preferably, this energy-storage system also comprises and being arranged on described energy storage loop, orders about described accumulation of energy water and lets cool water pump storing of circulating of described energy storage loop.
Preferably, this energy-storage system also comprise be arranged on described air-conditioner set input, to detect the temperature sensor flowing back to Cooling and Heat Source temperature in described air-conditioner set; Described temperature sensor and described control device are electrically connected, so that the temperature data detected is sent to described control device.
Preferably, this energy-storage system also comprise be arranged on described air-conditioner set input, to detect the pressure sensor flowing back to Cooling and Heat Source pressure in described air-conditioner set; Described pressure sensor and described control device are electrically connected, so that the pressure data detected is sent to described control device.
The present invention also provides a kind of operation method of the above-mentioned energy-storage system based on air-conditioning system efficiency, comprises the following steps:
In the energy supply stage, air conditioning terminal starts, and air-conditioner set is according to described air conditioning terminal workload demand load operating; Wherein, when described air conditioning terminal workload demand diminishes, the corresponding minimizing of load of described air-conditioner set; When the Cooling and Heat Source temperature being back to described air-conditioner set declines, control device is according to the operational factor of air-conditioner set, send corresponding control signal and start heat-exchanging loop and energy storage loop, in heat exchanger, cold and hot exchange is carried out with the Cooling and Heat Source of the high temperature accumulation of energy water and air-conditioner set that make energy storage equipment, high temperature accumulation of energy water forms low temperature accumulation of energy current and returns in described energy storage equipment, described Cooling and Heat Source temperature reduces, and maintains the Effec-tive Function of described air-conditioner set;
In the accumulation of energy stage, when air-conditioner set does not run, control device sends corresponding control signal and starts heat-exchanging loop and energy storage loop, and in heat exchanger, carry out cold and hot exchange with the Cooling and Heat Source of make energy storage equipment accumulation of energy water and air-conditioner set, the accumulation of energy current after intensification return in described energy storage equipment.
Preferably, in the described energy supply stage, according to the loading level of described air-conditioner set, the flow of described Cooling and Heat Source and accumulation of energy water is adjusted.
Preferably, in the described accumulation of energy stage, the Cooling and Heat Source of described air-conditioner set is circulated at heat-exchanging loop by water pump of air conditioner.
Beneficial effect of the present invention: improve the load of air-conditioner set in the system that existing central air conditioner system causes because load is less when energy supply (as energy supply at night) low and then make the shortcoming that whole system efficiency is not high, it is by the lower situation of the load when night carries out energy supply (Cooling and Heat Source) to corresponding air conditioning terminal, be the operational energy efficiency of air-conditioner set in raising system and save peak of power consumption on daytime time operating cost; It can by the air-conditioner set of low power consumption period except supply carries out cold and hot exchange compared with the Cooling and Heat Source of the air conditioning terminal of underload and accumulation of energy water, with by energy storage in energy storage equipment, discharged again during peak of power consumption on daytime, reduce the operation of system air conditioner unit and then save operating cost, the problem of air-conditioner set fallback when solving ubiquitous central air conditioner system part at night air conditioning terminal load.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the structured flowchart of the energy-storage system of one embodiment of the invention.
Detailed description of the invention
In order to there be understanding clearly to technical characteristic of the present invention, object and effect, now contrast accompanying drawing and describe the specific embodiment of the present invention in detail.
As shown in Figure 1, the energy-storage system based on air-conditioning system efficiency of one embodiment of the invention, comprises air-conditioner set 10, the air conditioning terminal 20 of one or more parallel connection, heat exchanger 30, energy storage equipment 40 and control device 50.
Wherein, air conditioning terminal 20 is connected to form Cooling and Heat Source closed circuit with air-conditioner set 10, and the Cooling and Heat Source in air-conditioner set 10 circulates in this Cooling and Heat Source closed circuit, so that Cooling and Heat Source is supplied air conditioning terminal 20.Cooling and Heat Source is generally water.Heat exchanger 30 is connected with air-conditioner set 10 to form the heat-exchanging loop passed through for Cooling and Heat Source, and the Cooling and Heat Source in air-conditioner set 10 circulates in this heat-exchanging loop, thus Cooling and Heat Source flows back to air-conditioner set 10 after can carrying out heat exchange in heat exchanger 30.Energy storage equipment 40 is connected to form energy storage loop with heat exchanger 30, and the accumulation of energy water stored in energy storage equipment 40 circulates in this energy storage loop.The Cooling and Heat Source of this accumulation of energy water and air-conditioner set 10 carries out cold and hot exchange in heat exchanger 30, and the accumulation of energy current in heat exchanger 30 after cold and hot exchange return in energy storage equipment 40.Control device 50 is electrically connected with air-conditioner set 10 and heat exchanger 30, to open and close heat-exchanging loop and energy storage loop according to air-conditioner set 10 load, improves the operational energy efficiency of air-conditioner set 10 when load is lower.
By the energy storage equipment 40 set up, improve and account for the operational energy efficiency of the air-conditioner set 10 of more than whole system half energy consumption, improve the operational energy efficiency of air-conditioner set 10 in air-conditioning system and save the operating cost of air-conditioning system.Described air-conditioning system is central air conditioner system, and air conditioning terminal 20 is for being arranged on indoor air-conditioner.
Particularly, the entrance point of air conditioning terminal 20 connects the output of air-conditioner set 10 by inlet channel 21, the port of export of air conditioning terminal 20 connects the input of air-conditioner set 10 by water return pipeline 22, the formation Cooling and Heat Source closed circuit thus air-conditioner set 10, inlet channel 21, air conditioning terminal 20 are connected with water return pipeline 22.Cooling and Heat Source is delivered to air conditioning terminal 20 from the output of air-conditioner set 10 by inlet channel 21, is then transmitted back to air-conditioner set 10 from air conditioning terminal 20 by water return pipeline 22.
For the air conditioning terminal 20 of multiple parallel connection, connection water inlet manifold road can be integrated to be connected on the output of air-conditioner set 10 in one end that many inlet channels 21 connect air-conditioner set 10; In like manner, connection total water return pipeline can be integrated to be connected on the input of air-conditioner set 10 in one end that many water return pipelines 22 connect air-conditioner set 10.
Inlet channel 21 is provided with the first valve 23 controlling this inlet channel 21 break-make, corresponding air conditioning terminal 20 can be communicated with air-conditioner set 10 or disconnect by opening and closing the first valve 23, also by controlling the aperture of the first valve 23 to regulate the uninterrupted of the Cooling and Heat Source flowing to air conditioning terminal 20 in inlet channel 21.
Have two runners (not shown) of carrying out heat exchange for fluid wherein in heat exchanger 30, heat exchanger 30 is provided with the water inlet end and water side that are communicated with two runners respectively, and a runner cooling thermal source passes through, and another runner passes through for accumulation of energy water.One water inlet end of heat exchanger 30 connects the output of air-conditioner set 10 by inlet channel 31, one water side of heat exchanger 30 connects the input of air-conditioner set 10 by water return pipeline 32, the formation heat-exchanging loop thus air-conditioner set 10, inlet channel 31, heat exchanger 30 are connected with water return pipeline 32.Cooling and Heat Source is delivered to heat exchanger 30 from the output of air-conditioner set 10 by inlet channel 31, is then transmitted back to air-conditioner set 10 from heat exchanger 30 by water return pipeline 32.
The inlet channel 31 be connected on the water inlet end of heat exchanger 30 is provided with the second valve 33 controlling this inlet channel 31 break-make.Control device 50 and the second valve 33 are electrically connected, to control keying and the aperture of the second valve 33; Heat exchanger 30 can be communicated with air-conditioner set 10 or disconnect by opening and closing the second valve 33, also by controlling the aperture of the second valve 33 to regulate the uninterrupted of the Cooling and Heat Source flowing to heat exchanger 30 in inlet channel 31.First valve 23 also can be electrically connected with control device 50, thus controls keying and the aperture of the first valve 23 by control device 50.
Heat exchanger 30 can be in parallel with air conditioning terminal 20.One end that on heat exchanger 30 water inlet end, inlet channel 31 connects air-conditioner set 10 can be integrated with one end of the inlet channel 21 of air conditioning terminal 20 and be connected a water inlet manifold road 11 to be connected on the output of air-conditioner set 10; In like manner, one end that the water return pipeline 32 on heat exchanger 30 water side connects air-conditioner set 10 can be integrated with one end of the water return pipeline 22 of air conditioning terminal 20 and be connected a total water return pipeline 12 to be connected on the input of air-conditioner set 10.
This energy-storage system also comprises and being arranged on Cooling and Heat Source closed circuit, heat-exchanging loop, orders about the water pump of air conditioner 60 of Cooling and Heat Source in Cooling and Heat Source closed circuit, heat-exchanging loop circulation.Water pump of air conditioner 60 can be separately positioned on the water return pipeline 22 of air conditioning terminal 20 and the water return pipeline 32 of heat exchanger 30, also can be arranged on water return pipeline 22 and water return pipeline 23 and integrate on total water return pipeline 12 of being connected, preferably adopt the latter's set-up mode.
Water pump of air conditioner 60 works, and by Cooling and Heat Source from drawing pump in air-conditioner set 10 to air conditioning terminal 20 or heat exchanger 30, then can draw back pump in air-conditioner set 10, realize circulating of Cooling and Heat Source.Water pump of air conditioner 60 can be electrically connected with control device 50, to be controlled the keying of this water pump of air conditioner 60 by control device 50.
Energy storage equipment 50 connects water inlet end and the water side of another runner of heat exchanger 30 respectively by pipeline.As shown in fig. 1, in the present embodiment, the water inlet end of heat exchanger 30 is connected the top and bottom of energy storage equipment 50 side respectively by the first pipeline 51 and second pipe 52, water side is connected the top and bottom of energy storage equipment 50 opposite side respectively by the 3rd pipeline 53 and the 4th pipeline 54.First pipeline 51 to the 4th pipeline 54, energy storage equipment 50 to be connected with heat exchanger formation energy storage loop.When energy storage equipment 50 exports high temperature accumulation of energy water, high temperature accumulation of energy water flows to heat exchanger 30 from the first pipeline 51, becomes low temperature accumulation of energy water and flow back to energy storage equipment from the 4th pipeline 54 after cold and hot exchange; When energy storage equipment 50 exports low temperature accumulation of energy water, low temperature accumulation of energy water flows to heat exchanger 30 from second pipe 52, becomes high temperature accumulation of energy water and flow back to energy storage equipment from the 3rd pipeline 53 after cold and hot exchange.
In addition, the first pipeline 51 to the 4th pipeline 54 is respectively equipped with the valve 55 controlling pipeline break-make.Valve 55 can be controlled by control device 50.
Energy storage equipment 40 comprises storage of water to carry out energy storage pool or the energy storage tank of cold and hot exchange with the Cooling and Heat Source of air-conditioner set 10.
This energy-storage system also comprises and is arranged on energy storage loop, orders about accumulation of energy water and lets cool water pump 70 storing of circulating of energy storage loop.Store and let cool water pump 70 and can be positioned at the water inlet end of heat exchanger 30 or water side and be arranged on energy storage loop, as being arranged on the pipeline of heat exchanger 30 water inlet end.By in accumulation of energy water drawing pump to heat exchanger 30 in energy storage equipment 40 time, open the valve 55 on valve 55 on the first pipeline 51 and the 4th pipeline 54 or second pipe 52 and the 3rd pipeline 53 according to cold and hot heat exchange situation.
Control device 50 carries out wired electric connection with air-conditioner set 10, second valve 33 etc. by control line 51.
Further, this energy-storage system also comprise be arranged on air-conditioner set 10 input, to detect the temperature sensor 80 flowing back to Cooling and Heat Source temperature in air-conditioner set 10.Temperature sensor 80 and control device 50 are electrically connected, so that the temperature data detected is sent to control device 50.After control device 50 obtains temperature data, send corresponding control signal to control the second valve 33, first valve 23 and open and close, thus air conditioning terminal 20 and heat exchanger 30 carry out corresponding action, thus regulable control is carried out to temperature, to ensure the high-efficiency operation of air-conditioning system.
Particularly, temperature sensor 80 can be separately positioned on the water return pipeline 22 of air conditioning terminal 20 and the water return pipeline 32 of heat exchanger 30, also can be arranged on water return pipeline 22 and water return pipeline 23 and integrate on total water return pipeline 12 of being connected, preferably adopt the latter's set-up mode.
This energy-storage system also comprise be arranged on air-conditioner set 10 input, to detect the pressure sensor 90 flowing back to Cooling and Heat Source pressure in air-conditioner set 10.Pressure sensor 90 and control device 50 are electrically connected, so that the pressure data detected is sent to control device 50.After control device 50 obtains pressure data, send corresponding control signal and control the second valve 33, first valve 23 and open and close or aperture, control to regulate pressure to flow, to ensure the high-efficiency operation of air-conditioning system.
Particularly, pressure sensor 90 can be separately positioned on the water return pipeline 22 of air conditioning terminal 20 and the water return pipeline 32 of heat exchanger 30, also can be arranged on water return pipeline 22 and water return pipeline 23 and integrate on total water return pipeline 12 of being connected, preferably adopt the latter's set-up mode.
Further preferably, flow back on the direction of air-conditioner set 10 in Cooling and Heat Source, temperature sensor 80 and pressure sensor 90 are positioned at the side of water pump of air conditioner 60 away from air-conditioner set 10, to detect the temperature of the Cooling and Heat Source before being drawn into water pump of air conditioner 60 and pressure.
The operation method of the above-mentioned energy-storage system based on air-conditioning system efficiency, referring to Fig. 1, can comprise the following steps:
In the energy supply stage, air conditioning terminal 20 starts, and air-conditioner set 10 is according to air conditioning terminal 20 workload demand load operating; Wherein, when air conditioning terminal 20 workload demand diminishes, the corresponding minimizing of load of air-conditioner set 10; When the Cooling and Heat Source temperature being back to air-conditioner set 10 declines, control device 50 is according to the operational factor of air-conditioner set 10, send corresponding control signal and start heat-exchanging loop and energy storage loop, in heat exchanger 30, cold and hot exchange is carried out with the Cooling and Heat Source of the high temperature accumulation of energy water and air-conditioner set 10 that make energy storage equipment 40, high temperature accumulation of energy water forms low temperature accumulation of energy current and returns in energy storage equipment 40, Cooling and Heat Source temperature reduces, and maintains the Effec-tive Function of air-conditioner set 10.
In the accumulation of energy stage, when air-conditioner set 10 does not run, control device 50 sends corresponding control signal and starts heat-exchanging loop and energy storage loop, and in heat exchanger 30, carry out cold and hot exchange with the Cooling and Heat Source of make energy storage equipment 40 accumulation of energy water and air-conditioner set 10, the accumulation of energy current after intensification return in energy storage equipment 40.
In the energy supply stage, according to the loading level of air-conditioner set 10, the flow of adjustment Cooling and Heat Source and accumulation of energy water.
In the accumulation of energy stage, the Cooling and Heat Source of air-conditioner set 10 is circulated at heat-exchanging loop by water pump of air conditioner 60.
The operation method of the energy-storage system based on air-conditioning system efficiency of the present invention is specific as follows:
One, when energy supply at night, air conditioning terminal 20 is opened according to the demand of reality, and the first valve 23 of its correspondence is opened, and water pump of air conditioner 60 starts, and is then that air-conditioner set 10 is opened and loads.
When the workload demand of air conditioning terminal 20 reality strengthens, then the load of air-conditioner set 10 ensures that it runs under higher load (as higher than 90%); When the workload demand of air conditioning terminal 20 reality is less, then the corresponding minimizing of the load of air-conditioner set 10 (as lower than actual capacity 70% time).The return water temperature decline that temperature sensor sense 80 is required, control device 40 is in conjunction with the actual operation parameters of air-conditioner set 10, provide corresponding control signal to the second valve 33 opening, valve 55 now on energy storage equipment 40 on first pipeline 51 and the 4th pipeline 54 is opened, valve 55 on second pipe 52 and the 3rd pipeline 53 is closed, store and let cool water pump 70 and start, high-temperature water in energy storage equipment 40 is delivered to heat exchanger 30 and carries out cold and hot exchange with the water at low temperature of air-conditioner set 10, make it to become water at low temperature and to get back in energy storage equipment 40 and to store.
Second valve 33 of heat exchanger 30 is opened aperture and is controlled according to the water temperature stored by the relevant operational factor of temperature sensor 80, pressure sensor 90 and air-conditioner set 10 and energy storage equipment 40 by control device 50.When air conditioning terminal 20 load diminishes, the water temperature drop in water return pipeline 32 responded to by temperature sensor 80, this signal passes to control device 50 by control line 51, the loading condition analysis of control device 50 pairs of air-conditioner set 10: if air-conditioner set 10 is not in Effec-tive Function region (if load is that 70-90% is interval) but lower than 50%, at this moment open or tune up the aperture of the second valve 33 of heat exchanger 30, tune up to store and let cool water pump 70 frequency, make energy storage loop run to get up to carry out cold-storage, finally make the running load of air-conditioner set 10 maintain Effec-tive Function region.
Two, when running by day, air-conditioner set 10 did not run in the electricity price peak valley stage, unlatching stores and lets cool water pump 70, close the valve 55 on the first pipeline 51 and the 4th pipeline 54, open the valve 55 on second pipe 52 and the 3rd pipeline 53, the water stored in energy storage equipment 40 is let cool water pump 70 by the second pipe 52 of energy storage equipment 40 bottom be delivered to heat exchanger 30 by storing, energy storage equipment 40 top is got back to by the 3rd pipeline 53 after carrying out heat exchange intensification with the chilled water of air-conditioner set 10, water in total water return pipeline 12 is circulated by water pump of air conditioner 60, meet refrigeration or the heating demand of whole system.
After the cold and hot amount stored in energy storage equipment 40 has been released, opens air-conditioner set 10 and carried out cold (heat) supply, met the hot-cool demand of air conditioning terminal 20.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. based on an energy-storage system for air-conditioning system efficiency, it is characterized in that, comprise air-conditioner set, the air conditioning terminal of one or more parallel connection, heat exchanger, energy storage equipment and control device; Described air conditioning terminal is connected to form Cooling and Heat Source closed circuit with described air-conditioner set; Described heat exchanger is connected to form the heat-exchanging loop passed through for Cooling and Heat Source with described air-conditioner set; Described energy storage equipment is connected to form energy storage loop with described heat exchanger, and the accumulation of energy water stored in described energy storage equipment and the Cooling and Heat Source of described air-conditioner set carry out cold and hot exchange in described heat exchanger; Described control device and described air-conditioner set and heat exchanger are electrically connected, to open and close described heat-exchanging loop and energy storage loop according to described air-conditioner set load.
2. energy-storage system according to claim 1, it is characterized in that, the entrance point of described air conditioning terminal connects the output of described air-conditioner set by inlet channel, the port of export of described air conditioning terminal connects the input of described air-conditioner set by water return pipeline, the described Cooling and Heat Source closed circuit of formation thus described air-conditioner set, inlet channel, air conditioning terminal are connected with water return pipeline;
Described inlet channel is provided with the first valve controlling this inlet channel break-make.
3. energy-storage system according to claim 1, it is characterized in that, one water inlet end of described heat exchanger connects the output of described air-conditioner set by inlet channel, one water side of described heat exchanger connects the input of described air-conditioner set by water return pipeline, the described heat-exchanging loop of formation thus described air-conditioner set, inlet channel, heat exchanger are connected with water return pipeline;
The described inlet channel be connected on the described water inlet end of described heat exchanger is provided with the second valve controlling this inlet channel break-make; Described control device and described second valve are electrically connected, to control keying and the aperture of described second valve.
4. the energy-storage system according to any one of claim 1-3, it is characterized in that, this energy-storage system also comprises and being arranged on described Cooling and Heat Source closed circuit, heat-exchanging loop, orders about the water pump of air conditioner of described Cooling and Heat Source in described Cooling and Heat Source closed circuit, heat-exchanging loop circulation.
5. the energy-storage system according to any one of claim 1-3, is characterized in that, this energy-storage system also comprises and being arranged on described energy storage loop, orders about described accumulation of energy water and lets cool water pump storing of circulating of described energy storage loop.
6. the energy-storage system according to any one of claim 1-3, is characterized in that, this energy-storage system also comprise be arranged on described air-conditioner set input, to detect the temperature sensor flowing back to Cooling and Heat Source temperature in described air-conditioner set; Described temperature sensor and described control device are electrically connected, so that the temperature data detected is sent to described control device.
7. energy-storage system according to claim 6, is characterized in that, this energy-storage system also comprise be arranged on described air-conditioner set input, to detect the pressure sensor flowing back to Cooling and Heat Source pressure in described air-conditioner set; Described pressure sensor and described control device are electrically connected, so that the pressure data detected is sent to described control device.
8. an operation method for the energy-storage system based on air-conditioning system efficiency described in any one of claim 1-7, is characterized in that, comprise the following steps:
In the energy supply stage, air conditioning terminal starts, and air-conditioner set is according to described air conditioning terminal workload demand load operating; Wherein, when described air conditioning terminal workload demand diminishes, the corresponding minimizing of load of described air-conditioner set; When the Cooling and Heat Source temperature being back to described air-conditioner set declines, control device is according to the operational factor of air-conditioner set, send corresponding control signal and start heat-exchanging loop and energy storage loop, in heat exchanger, cold and hot exchange is carried out with the Cooling and Heat Source of the high temperature accumulation of energy water and air-conditioner set that make energy storage equipment, high temperature accumulation of energy water forms low temperature accumulation of energy current and returns in described energy storage equipment, described Cooling and Heat Source temperature reduces, and maintains the Effec-tive Function of described air-conditioner set;
In the accumulation of energy stage, when air-conditioner set does not run, control device sends corresponding control signal and starts heat-exchanging loop and energy storage loop, and in heat exchanger, carry out cold and hot exchange with the Cooling and Heat Source of make energy storage equipment accumulation of energy water and air-conditioner set, the accumulation of energy current after intensification return in described energy storage equipment.
9. operation method according to claim 8, is characterized in that, in the described energy supply stage, according to the loading level of described air-conditioner set, adjusts the flow of described Cooling and Heat Source and accumulation of energy water.
10. operation method according to claim 8, is characterized in that, in the described accumulation of energy stage, the Cooling and Heat Source of described air-conditioner set is circulated at heat-exchanging loop by water pump of air conditioner.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510782699.6A CN105318467A (en) | 2015-11-16 | 2015-11-16 | Energy storage system based on energy efficiency of air conditioner system and operating method of energy storage system |
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| CN201510782699.6A CN105318467A (en) | 2015-11-16 | 2015-11-16 | Energy storage system based on energy efficiency of air conditioner system and operating method of energy storage system |
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| CN105318467A true CN105318467A (en) | 2016-02-10 |
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| CN201510782699.6A Pending CN105318467A (en) | 2015-11-16 | 2015-11-16 | Energy storage system based on energy efficiency of air conditioner system and operating method of energy storage system |
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| CN107339785A (en) * | 2017-06-26 | 2017-11-10 | 广东美的制冷设备有限公司 | Air-conditioning system and its control method |
| CN108731088A (en) * | 2017-04-13 | 2018-11-02 | 刘勇 | Electric energy storage equipment |
| CN109059155A (en) * | 2018-09-18 | 2018-12-21 | 中国建筑西北设计研究院有限公司 | One kind letting cool the dispersible independently operated large-scale centralized air-conditioning system of control |
| CN109945299A (en) * | 2019-03-20 | 2019-06-28 | 珠海格力电器股份有限公司 | Air-conditioning and its control method |
| CN110006125A (en) * | 2019-05-15 | 2019-07-12 | 荏原冷热系统（中国）有限公司 | A kind of air-conditioner set control system and its energy-saving control method |
| CN111947379A (en) * | 2020-08-10 | 2020-11-17 | 珠海格力电器股份有限公司 | Air conditioning unit capable of effectively utilizing energy and control method and device thereof |
| WO2021233144A1 (en) * | 2020-05-18 | 2021-11-25 | 华为数字能源技术有限公司 | Cooling system and cooling method therefor |
| CN114484750A (en) * | 2022-01-28 | 2022-05-13 | 青岛海尔空调电子有限公司 | Control method and device for air conditioning system, air conditioning system and storage medium |
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| CN114484750A (en) * | 2022-01-28 | 2022-05-13 | 青岛海尔空调电子有限公司 | Control method and device for air conditioning system, air conditioning system and storage medium |
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