CN110186212B - Heat and cold storage system - Google Patents
Heat and cold storage system Download PDFInfo
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- CN110186212B CN110186212B CN201910421194.5A CN201910421194A CN110186212B CN 110186212 B CN110186212 B CN 110186212B CN 201910421194 A CN201910421194 A CN 201910421194A CN 110186212 B CN110186212 B CN 110186212B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B13/00—Compression machines, plants or systems, with reversible cycle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B39/00—Evaporators; Condensers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D3/00—Devices using other cold materials; Devices using cold-storage bodies
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
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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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- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The invention relates to the technical field of heating and refrigerating combined systems, in particular to a heat and cold storage system, which comprises a compressor, a first heat exchanger, a throttling device and a second heat exchanger, wherein the compressor, the first heat exchanger, the throttling device and the second heat exchanger are sequentially connected in series; the cold accumulation devices are provided with a plurality of cold accumulation devices which are respectively connected with one of the first heat exchanger or the second heat exchanger in parallel; the heat storage devices are respectively connected with the other one of the first heat exchanger and the second heat exchanger in parallel; and the valves are provided with a plurality of valves which are respectively arranged at the upstream and the downstream of the compressor, the cold accumulation device, the heat accumulation device, the first heat exchanger and the second heat exchanger. The heat and cold storage system provided by the invention has the advantages of high energy utilization rate, no aggravation of power supply peak-valley contradiction, capability of realizing switching of various working conditions and good use experience.
Description
Technical Field
The invention relates to the technical field of heating and refrigerating combined systems, in particular to a heat and cold storage system.
Background
The region of China is vast, and in the northern region of China, a water heater and a refrigeration air conditioner are adopted to realize heating and refrigeration in summer, and a heating device and a water heater are used to realize heating in winter; in southern areas of China, a water heater and a refrigeration air conditioner are adopted to realize heating and refrigeration in summer, heating modes in winter are various, most of the heating modes are electric heating devices and air energy heat pump devices, the power consumption is high, and multiple devices need to be used in different seasons, so that the waste of resources is caused. At present, in the prior art, as shown in chinese patent document CN202885134U, a cold and heat accumulation type hot water air conditioner is disclosed, which includes a main cabinet, a compressor, a four-way valve, an air conditioner heat exchanger, an outdoor heat exchanger, a cold and heat accumulation thermal insulation box, a hot water thermal insulation box, and a hot water heat exchanger, where the cold and heat accumulation thermal insulation box and the air conditioner heat exchanger form a first heat exchange system, and the hot water thermal insulation box and the hot water heat exchanger form a second heat exchange system. Can simultaneously refrigerate and heat according to the user demand, improve the utilization to the energy, reduce the waste of resource. The cold and heat accumulation type hot water air conditioner is used in real time according to requirements, if the air conditioner is used for heating or refrigerating, electric energy is consumed during use, the power peak-valley difference is enlarged, and the peak-valley contradiction of power supply is aggravated. In addition, water is used as a heat storage medium, the water heat storage mode is a sensible heat storage mode, the energy stored in unit area is small, and the utilization rate of energy is low.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the defect that the cold and heat accumulation type hot water air conditioner in the prior art can aggravate the contradiction between the power supply peak and valley, thereby providing a heat and cold accumulation system which can not aggravate the contradiction between the power supply peak and valley.
Therefore, the technical scheme of the invention is as follows:
a heat and cold storage system comprises a compressor, a first heat exchanger, a throttling device and a second heat exchanger which are sequentially connected in series, wherein the second heat exchanger is connected with the compressor; the cold accumulation devices are provided with a plurality of cold accumulation devices which are respectively connected with one of the first heat exchanger or the second heat exchanger in parallel; the heat storage devices are respectively connected with the other one of the first heat exchanger and the second heat exchanger in parallel; the valves are arranged on the upstream and downstream of the compressor, the cold accumulation device, the heat accumulation device, the first heat exchanger and the second heat exchanger respectively.
The cold storage device and the heat storage device are installed outdoors.
The valves located at the upstream and downstream of the compressor are four-way reversing valves.
The valve is a check valve.
The first heat exchanger is one of the evaporator and the condenser, and the second heat exchanger is the other of the evaporator and the condenser.
The cold storage device has one, and the heat storage device has one.
The heat and cold storage system also comprises a cold using end and a hot using end, wherein the cold using end is respectively connected with one of the first heat exchanger and the second heat exchanger and the cold storage device, and outputs cold energy in the one of the first heat exchanger and the second heat exchanger and the cold storage device; and the other heat exchanger of the first heat exchanger and the second heat exchanger and the heat storage device are connected with a hot end respectively, and the heat in the other heat exchanger of the first heat exchanger and the second heat exchanger and the heat storage device is output.
One of the first heat exchanger and the second heat exchanger is installed indoors, and the other of the first heat exchanger and the second heat exchanger is installed outdoors.
The heat exchange medium flowing through the secondary side of the first heat exchanger is industrial waste heat.
The technical scheme of the invention has the following advantages:
1. the invention provides a heat and cold storage system, which comprises a compressor, a first heat exchanger, a throttling device and a second heat exchanger which are sequentially connected in series, wherein the second heat exchanger is connected with the compressor; the cold accumulation devices are provided with a plurality of cold accumulation devices which are respectively connected with one of the first heat exchanger or the second heat exchanger in parallel; the heat storage devices are respectively connected with the other one of the first heat exchanger and the second heat exchanger in parallel; and the valves are provided with a plurality of valves which are respectively arranged at the upstream and the downstream of the compressor, the cold accumulation device, the heat accumulation device, the first heat exchanger and the second heat exchanger. The heat storage device and/or the cold storage device are/is used for storing energy during the off-peak electricity period, the energy is released when the heat storage device and/or the cold storage device are used, and the energy stored during the off-peak electricity period is matched with the first heat exchanger and/or the second heat exchanger during the peak electricity period according to the use requirement, so that the energy is comprehensively utilized, namely, the peak-valley contradiction of power supply is reduced, the energy can be comprehensively utilized, and the use effect is good.
2. The heat and cold accumulation system provided by the invention has the advantages that the cold accumulation device and the heat accumulation device are arranged outdoors, and the indoor space is saved.
3. The heat and cold storage system provided by the invention has the advantages that the valves positioned at the upstream and downstream of the compressor are four-way reversing valves, and the switching between the working condition of the heat pump and the refrigerating working condition is realized through the four-way reversing valves.
4. According to the heat and cold accumulation system provided by the invention, the valve is a check valve, the flow direction of the working medium is controlled by controlling the valve to be closed, and the control is convenient and simple.
5. According to the heat and cold storage system provided by the invention, the first heat exchanger is one of the evaporator and the condenser, the second heat exchanger is the other of the evaporator and the condenser, under the working condition of the heat pump, the first heat exchanger is the evaporator, an evaporant in the evaporator absorbs external heat in a phase change manner, the second heat exchanger is the condenser and releases heat to the outside, under the working condition of refrigeration, the two working conditions are opposite to the working condition of the heat pump, and the two working conditions are changed according to use requirements, so that the heat and cold storage system is wide in application range.
6. The heat and cold storage system further comprises a cold using end and a hot using end, and under the working condition of a heat pump, the circulating working medium absorbs heat in the first heat exchanger and the cold storage device, so that cold energy is generated; under the refrigeration working condition, the circulating working medium absorbs the heat in the second heat exchanger and the cold accumulation device, so that cold energy is generated, and therefore, the cold tail end is respectively connected with one of the first heat exchanger and the second heat exchanger and the cold accumulation device, and the cold energy in the one of the first heat exchanger and the second heat exchanger and the cold accumulation device is output; similarly, the heat-using end is respectively connected with the other of the first heat exchanger and the second heat exchanger and the heat storage device, and the heat in the other of the first heat exchanger and the second heat exchanger and the heat storage device is output, so that the heat generated by the cold storage device, the heat storage device, the first heat exchanger and the second heat exchanger is conveyed to the heat-using end and/or the cold-using end.
7. According to the heat and cold storage system provided by the invention, the air source heat pump transfers indoor and outdoor energy through the heat pump, when the first heat exchanger is installed indoors, the second heat exchanger is installed outdoors, at the moment, the second heat exchanger is in energy interaction with the outside air, when the first heat exchanger is installed outdoors and the second heat exchanger is installed indoors, the first heat exchanger is in energy interaction with the outside air, and the installation requirement of urban resident residents is met.
8. According to the heat and cold storage system provided by the invention, the heat exchange medium flowing through the secondary side of the first heat exchanger is industrial waste heat, under the working condition of a heat pump, the waste heat flows through the secondary side of the first heat exchanger, and at the moment, the first heat exchanger is used as an evaporator to absorb heat in the waste heat, so that the effect of recycling a low-grade heat source in the industrial waste heat is achieved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic view of the working mode of the heat pump of the present invention under operating conditions;
FIG. 2 is a schematic diagram of the operation mode of the present invention under the refrigeration condition;
FIG. 3 is a schematic diagram of the configuration of a hot tip and a cold tip of the present invention;
fig. 4 is a schematic structural view of the four-way reversing valve of fig. 1 and 2.
Description of reference numerals:
1-a cold storage device; 2-a thermal storage device; 3-a first heat exchanger; 4-a second heat exchanger; 5-a compressor; 6-a throttling device; a 7-four-way reversing valve; 8-use the hot end; 9-use the cold end; 10-a first circulation pump; 11-a second circulation pump; 12-a check valve; 13-C port; port 14-D; 15-E port; 16-S port.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 and 2, the heat and cold storage system comprises a compressor 5, a four-way reversing valve 7, a first heat exchanger 3, a second heat exchanger 4, a throttling device 6, a cold storage device 1, a heat storage device 2 and check valves 12, wherein the throttling device 6 is a bidirectional electronic expansion valve, a circulating working medium is a refrigerant R22, and the check valves 12 are provided with a plurality of parts and are respectively arranged at the upstream and downstream of the compressor 5, the cold storage device 1, the heat storage device 2, the first heat exchanger 3 and the second heat exchanger 4.
The cold accumulation device 1 and the heat accumulation device 2 are both phase-change energy-storage heat exchangers, are arranged outdoors so as not to occupy indoor space, and are respectively connected with the first heat exchanger 3 and the second heat exchanger 4 in parallel.
According to the actual use situation, the cold storage device 1 and the heat storage device 2 can be in a plurality and connected together in parallel.
The first heat exchanger 3, the second heat exchanger 4, the cold accumulation device 1 and the heat storage device 2 are respectively provided with a primary side inlet and outlet, a secondary side inlet and outlet, a circulating working medium flows through the primary side inlet and outlet, the arrow direction in the figure is the flowing direction of the circulating working medium, a heat exchange medium flows through the secondary side inlet and outlet, and the heat exchange medium can be water or air.
The C port 13 of the four-way reversing valve 7 is connected with the primary side inlet and outlet of the cold accumulation device 1, the primary side inlet and outlet of the heat accumulation device 2 and the primary side inlet and outlet of the second heat exchanger 4; an S port 16 of the four-way reversing valve 7 is connected with an inlet of the compressor 5, and a D port 14 of the four-way reversing valve 7 is connected with an outlet of the compressor 5; an E port 15 of the four-way reversing valve 7 is connected with a primary side inlet of the cold accumulation device 1, a primary side inlet of the heat storage device 2 and a primary side inlet of the first heat exchanger 3, a primary side outlet of the first heat exchanger 3 is connected with a throttling device 6, a primary side outlet of the cold accumulation device 1 and a primary side outlet of the heat storage device 2, and the throttling device 6 is connected with a primary side outlet of the cold accumulation device 1, a primary side outlet of the heat storage device 2 and a primary side outlet of the second heat exchanger 4.
As shown in fig. 3, the heat-storing device 2 is connected with the first heat exchanger 3, the second heat exchanger 4 and the heat-storing device 2 through the first circulating pump 10 by the heat-using terminal 8, and the heat in the first heat exchanger 3, the second heat exchanger 4 and the heat-storing device 2 is output; the cold-using tail end 9 is connected with the first heat exchanger 3, the second heat exchanger 4 and the cold accumulation device 1 through a second circulating pump 11, and outputs cold energy in the first heat exchanger 3, the second heat exchanger 4 and the cold accumulation device 1.
As one of the alternative embodiments, in the industrial heating system, the heat exchange medium flowing through the secondary side of the first heat exchanger 3 is industrial waste heat, and industrial low-grade waste heat can be utilized.
As a second alternative, for urban resident occupants, the first heat exchanger 3 is installed outdoors, the second heat exchanger 4 is installed indoors, and the first heat exchanger 3 is directly in energy communication with the outside air.
The heat and cold storage system comprises a heat pump working condition and a refrigeration working condition, as shown in figure 1, under the heat pump working condition, the arrow direction indicates the working medium flowing direction, and comprises a heating mode (a conventional heat pump mode), a heat and cold storage mode, a heating and cold storage mode and a heat storage mode.
Working medium sequentially flows through the compressor 5, the four-way reversing valve 7, the second heat exchanger 4, the throttling device 6, the first heat exchanger 3, the four-way reversing valve 7 and the compressor 5 to form a heating mode (a conventional heat pump mode).
Working medium sequentially flows through the compressor 5, the four-way reversing valve 7, the heat storage device 2, the throttling device 6, the cold storage device 1, the four-way reversing valve 7 and the compressor 5 to form a heat storage and cold storage mode.
Working medium sequentially flows through the compressor 5, the four-way reversing valve 7, the second heat exchanger 4, the throttling device 6, the cold accumulation device 1, the four-way reversing valve 7 and the compressor 5 to form a heating and cold accumulation mode.
Working medium sequentially flows through the compressor 5, the four-way reversing valve 7, the heat storage device 2, the throttling device 6, the first heat exchanger 3, the four-way reversing valve 7 and the compressor 5 to form a heat storage mode.
As shown in fig. 2, under the refrigeration condition, the arrow direction indicates the flow direction of the working medium, and includes a refrigeration mode, i.e., a normal refrigeration mode, a heat storage and cold storage mode, a cold storage mode, and a heat storage and refrigeration mode.
The working medium sequentially flows through the compressor 5, the four-way reversing valve 7, the first heat exchanger 3, the throttling device 6, the second heat exchanger 4, the four-way reversing valve 7 and the compressor 5 to form a refrigeration mode, namely a conventional refrigeration mode.
The working medium flows through the compressor 5, the four-way reversing valve 7, the heat storage device 2, the throttling device 6, the cold storage device 1, the four-way reversing valve 7 and the compressor 5 in sequence to form a heat storage mode and a cold storage mode, and the mode is similar to the heat storage mode and the cold storage mode in the working condition of the heat pump shown in the figure 1.
The working medium sequentially flows through the compressor 5, the four-way reversing valve 7, the first heat exchanger 3, the throttling device 6, the cold accumulation device 1, the four-way reversing valve 7 and the compressor 5 to form a cold accumulation mode.
Working medium sequentially flows through the compressor 5, the four-way reversing valve 7, the heat storage device 2, the throttling device 6, the second heat exchanger 4, the four-way reversing valve 7 and the compressor 5 to form a heat storage and refrigeration mode.
Through switching valves, a circulating working medium passes through the heat storage device 2 and/or the cold storage device 1, the heat storage device 2 and the cold storage device 1 are fully stored during the off-peak electricity period, and the stored energy is released during the peak electricity period, so that the peak-valley contradiction of power supply is reduced, and the heat storage device 2 and the cold storage device 1 are phase change energy storage heat exchangers, namely, a latent heat storage mode, and the stored energy in unit area is large, so that the utilization rate of energy is high.
When the system is used, during the low-ebb electricity period in summer, the four-way reversing valve 7 is in an unpowered state, and the system is in a refrigeration working condition, and a heat storage and cold storage mode is operated by switching corresponding valves; if the energy storage device has the condition that the stored energy is not full, the cold accumulation mode or the heat accumulation mode is started by switching the corresponding valves at the moment. The cold storage device 1 and the heat storage device 2 are made to store energy during the valley power.
When the stored energy is exhausted or no stored energy is stored in the heat storage device 2 and the cold storage device 1 at first, when the cold energy in the cold storage device 1 is exhausted and needs to be refrigerated, the heat storage and refrigeration mode is operated to meet the refrigeration requirement and store heat at the same time, and if no heat storage requirement exists, the refrigeration mode, namely the conventional refrigeration mode, is operated to meet the refrigeration requirement.
When the heat in the heat storage device 2 is exhausted and needs to be heated, the four-way reversing valve 7 is in a power-on state, the system is in a heat pump working condition, the heating and cold storage modes are operated through switching of corresponding valves, the heating requirement is met while cold storage is carried out, and if the cold storage requirement does not exist, the heating mode, namely the conventional heat pump mode, is operated to meet the heating requirement.
As a changeable implementation mode, during the low ebb electricity period in summer, the four-way reversing valve 7 is in a power-on state, and the system is in the working condition of the heat pump, and the heat storage and cold storage mode is operated by switching the corresponding valve.
During the off-peak electricity period in winter, at the moment, the resident has no cold accumulation requirement, the four-way reversing valve 7 is in the power-on state, the system is in the heat pump working condition, and the system operates in the heat accumulation mode through corresponding valve switching, so that the energy accumulation of the heat accumulation device 2 is completed during the off-peak electricity period.
When the heat storage device 2 is exhausted in use or there is no heat in the heat storage device 2 at the beginning, the heating mode, i.e., the conventional heat pump mode, is operated to satisfy the heating demand.
Through the switching of various working conditions, when the stored energy is exhausted or no stored energy is available in the heat storage device 2 and the cold accumulation device 1 at first in use, the response can be carried out in time, and the use experience is good.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (8)
1. A heat and cold storage system is characterized by comprising,
the heat exchanger comprises a compressor (5), a first heat exchanger (3), a throttling device (6) and a second heat exchanger (4) which are sequentially connected in series, wherein the second heat exchanger (4) is connected with the compressor (5);
a plurality of cold accumulation devices (1) which are respectively connected with one of the first heat exchanger (3) and the second heat exchanger (4) in parallel;
a plurality of heat storage devices (2) which are respectively connected with the other one of the first heat exchanger (3) and the second heat exchanger (4) in parallel;
a plurality of valves respectively arranged at the upstream and downstream of the compressor (5), the cold accumulation device (1), the heat accumulation device (2), the first heat exchanger (3) and the second heat exchanger (4); the valves positioned at the upstream and downstream of the compressor (5) are four-way reversing valves (7); the port C of the four-way reversing valve 7 is connected with the primary side inlet and outlet of the cold accumulation device (1), the primary side inlet and outlet of the heat accumulation device (2) and the primary side inlet and outlet of the second heat exchanger (4); an S port of the four-way reversing valve (7) is connected with an inlet of the compressor (5), and a D port of the four-way reversing valve (7) is connected with an outlet of the compressor (5); an E port of the four-way reversing valve (7) is connected with a primary side inlet of the cold accumulation device (1), a primary side inlet of the heat accumulation device (2) and a primary side inlet of the first heat exchanger (3), a primary side outlet of the first heat exchanger (3) is connected with a throttling device (6), a primary side outlet of the cold accumulation device (1) and a primary side outlet of the heat accumulation device (2), and the throttling device (6) is connected with a primary side outlet of the cold accumulation device (1), a primary side outlet of the heat accumulation device (2) and a primary side outlet of the second heat exchanger (4).
2. The thermal storage, cold accumulation system according to claim 1, characterized in that said cold accumulation device (1) and said thermal storage device (2) are installed outdoors.
3. The heat, cold storage system according to claim 1, wherein said valve is a check valve (12).
4. The heat, cold storage system according to claim 1, wherein said first heat exchanger (3) is one of an evaporator and a condenser, and said second heat exchanger (4) is the other of said evaporator and said condenser.
5. The thermal storage, cold storage system according to claim 1, characterized in that said cold storage device (1) has one, and said thermal storage device (2) has one.
6. Heat, cold storage system according to any one of claims 1-5, further comprising a cold tip (9) and a hot tip (8),
the cold using tail end (9) is respectively connected with one of the first heat exchanger (3) and the second heat exchanger (4) and the cold accumulation device (1), and outputs cold energy in the cold accumulation device (1) and one of the first heat exchanger (3) and the second heat exchanger (4);
the heat using tail end (8) is respectively connected with the other of the first heat exchanger (3) and the second heat exchanger (4) and the heat storage device (2), and outputs the heat in the other of the first heat exchanger (3) and the second heat exchanger (4) and the heat storage device (2).
7. The heat, cold storage system according to any one of claims 1 to 5, wherein one of said first heat exchanger (3) and said second heat exchanger (4) is installed indoors and the other of said first heat exchanger (3) and said second heat exchanger (4) is installed outdoors.
8. The heat, cold storage system according to any of claims 1-5, wherein the heat exchange medium flowing through the secondary side of the first heat exchanger (3) is industrial waste heat.
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| CN201910421194.5A CN110186212B (en) | 2019-05-20 | 2019-05-20 | Heat and cold storage system |
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| CN111306896A (en) * | 2020-02-14 | 2020-06-19 | 广东工业大学 | Heat pump drying system |
| CN111238160A (en) * | 2020-03-06 | 2020-06-05 | 辽宁凌烨冷热技术创新有限公司 | Cold-storage heat-storage cold-heat combined fresh box lunch distribution self-lifting cabinet and control method |
| CN114166053A (en) * | 2020-09-11 | 2022-03-11 | 中集安瑞科能源装备（苏州）有限公司 | Cold accumulation system and operation method thereof |
| CN112503786A (en) * | 2020-11-24 | 2021-03-16 | 上海置信智能电气有限公司 | Novel refrigerating system containing phase change energy storage device |
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| CN2378670Y (en) * | 1999-07-05 | 2000-05-17 | 清华同方股份有限公司 | Cold and heat accumulation type heat pump air conditioner |
| CN2679560Y (en) * | 2003-10-21 | 2005-02-16 | 曾文良 | Heat pump air conditioner with cool storage and heat storage functions |
| CN200946946Y (en) * | 2006-04-24 | 2007-09-12 | 王世亮 | Combined phase change energy-storing type cold-heat exchange system |
| CN200943927Y (en) * | 2006-09-01 | 2007-09-05 | 王宝根 | Automatic cold-accumulating heat-accumulating type air conditioner |
| CN201032233Y (en) * | 2006-12-26 | 2008-03-05 | 山东华电华源环境工程有限公司 | Cold and heat storage type ground source heat pump central air conditioner |
| CN104566699B (en) * | 2013-10-10 | 2017-06-20 | 海尔集团公司 | Accumulation of energy multi-variable air conditioning unit and its control method |
| CN106247665A (en) * | 2016-08-11 | 2016-12-21 | 珠海格力电器股份有限公司 | Air conditioning system and control method thereof |
| CN106288513A (en) * | 2016-09-30 | 2017-01-04 | 广州高菱能源技术有限公司 | A kind of band phase change cold-storage and the cold, hot two-purpose heat pump of accumulation of heat |
| CN106679236A (en) * | 2017-01-17 | 2017-05-17 | 集美大学 | Cooling and heating energy storage type multifunctional heat pump system |
| CN210119031U (en) * | 2019-05-20 | 2020-02-28 | 全球能源互联网欧洲研究院 | Heat and cold storage system |
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