CN103900178A - Ground source heat pump energy storage central air-conditioning system - Google Patents
Ground source heat pump energy storage central air-conditioning system Download PDFInfo
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Abstract
The invention relates to a ground source heat pump energy storage central air-conditioning system which comprises a refrigeration cycle system, an energy storage device and an air-conditioning cycle system. The refrigeration cycle system comprises a control valve, a ground source heat pump compressor and a ground heat exchanger unit. The energy storage device comprises an energy storage tank filled with a secondary refrigerant and a heat exchange coil arranged in the energy storage tank. The air-conditioning cycle system comprises a delivery pipe, an air-conditioning cycle pump and a return pipe. The ground source heat pump compressor sucks in high-temperature high-pressure gas generated by compressing a refrigerant, is directly subjected to heat exchange with an underground heat source layer through the ground heat exchanger unit and is subjected to heat exchange with the secondary refrigerant in the energy storage tank through the heat exchange coil, direct heat exchange of the refrigerant with a ground heat source and the secondary refrigerant is realized, heat exchange links are decreased, and energy consumption for running of the whole central air-conditioning system is effectively reduced.
Description
Technical field
The present invention relates to energy storage technologies field, more particularly, relate to a kind of earth source heat pump central air-conditioning system of energy storage.
Background technology
Earth source heat pump in correlation technique provides refrigeration or heating demand by the building that is utilized as of underground shallow layer temperature stabilization thermal source, mainly absorb underground cold source by refrigerating medium (as water) in actual use, transmission by pump in pipeline again with condenser or the evaporimeter of earth source heat pump main frame in heat exchanger carry out cold and hot energy exchange, corresponding energy consumption that the use system of refrigerating medium circulating pump has been in operation invisible increase, the cold and hot exchange of refrigerating medium and the cold-producing medium heat exchanger in earth source heat pump main frame reduces cold and hot amount service efficiency.
Along with the implementation of national step price, conventional ground source heat pump central air-conditioning system is utilizing reproducible underground cold source side face to have good prospect, but cannot break away from the bottleneck of the need for electricity in peak of power consumption stage.
Although discharge when can utilizing relevant energy accumulating technique to carry out accumulation of energy then at peak electricity tariff in the time of electricity price low level, avoid the operation of heat pump main frame, but inevitably need in actual use refrigerating medium to make (as ethylene glycol) for carrier, carry out cold and hot exchange in the evaporimeter position of heat pump main frame then by storing cold and hot in energy storage equipment.
Wherein refrigerating medium makes decrease in efficiency as the carrier of energy transmission in the exchange of carrying out twice energy between heat pump and energy storage tank, in transmission, the operation of delivery pump has also increased the operation energy consumption of whole system, and the input of pipeline and equipment also can make the cost investment of whole system increase.
Summary of the invention
The technical problem to be solved in the present invention is, a kind of earth source heat pump central air-conditioning system of energy storage is provided.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of earth source heat pump central air-conditioning system of energy storage, comprising: cooling cycle system, energy storage equipment and air conditioner circulating system;
Described cooling cycle system comprises:
Control valve, for regulating refrigeration and heating change working, described control valve comprises first passage, second channel, third channel, four-way; When cooling condition, described first passage is communicated with described second channel, and described third channel is communicated with described four-way; In the time of heating operating mode, described first passage is communicated with described four-way, and described second channel is communicated with described third channel;
Earth source heat pump compressor, comprises for sucking the entrance of cold-producing medium to compress, and the outlet that the high-temperature high-pressure refrigerant gas after compression is discharged; Described entrance is communicated with described first passage, and described outlet is communicated with described third channel;
Geothermal heat exchanger unit, for burying in underground thermal source layer to carry out cold and hot exchange with the earth, described geothermal heat exchanger unit is communicated with described four-way;
Described energy storage equipment comprises and the energy storage tank of refrigerating medium is housed and is located at the heat exchange coil in described energy storage tank, and the two ends of heat exchange coil are communicated with described geothermal heat exchanger unit and second channel respectively;
Described refrigerating medium absorbs the energy of cold-producing medium in described heat exchange coil to freeze or to heat;
Described air conditioner circulating system comprises:
Input pipe, two ends are communicated with described energy storage tank and air conditioning terminal respectively;
Air-conditioning circulating pump, is arranged on described input pipe so that the refrigerating medium in described energy storage tank is pumped to described air conditioning terminal, carries out cold and hot exchange with indoor environment;
Return duct, two ends are communicated with described energy storage tank and described air conditioning terminal respectively, so that the refrigerating medium completing after cold and hot exchange is back to described energy storage tank.
Preferably, described geothermal heat exchanger unit comprises the geothermal heat exchanger that several are arranged in parallel.
Preferably, described in each, on geothermal heat exchanger, be equipped with ground source heat exchanger valve.
Preferably, described cooling cycle system also comprises control module,
Described control module comprises the temperature sensor being arranged in described energy storage tank and the controller being electrically connected with described temperature sensor, and described controller and each described ground source heat exchanger valve are electrically connected;
Described temperature sensor obtains the interior variations in temperature signal of described energy storage tank and passes to described controller, and described controller is according to the unlatching quantity of the ground source heat exchanger valve of geothermal heat exchanger unit described in variations in temperature signal controlling.
Preferably, described temperature sensor arranges near the upper end of described energy storage tank.
Preferably, described heat exchange coil comprises the first port being communicated with described geothermal heat exchanger unit and the second port being communicated with described second channel, described the first port is arranged on the lower end of described energy storage tank, and described the second port is arranged on the upper end of described energy storage tank.
Preferably, described heat exchange coil rotary setting from bottom to top in the shape of a spiral.
Preferably, between described geothermal heat exchanger unit and described the first port, be provided with choke valve.
Preferably, described input pipe is communicated with the upper end of described energy storage tank, to carry the refrigerating medium of energy storage tank upper end to described air conditioning terminal;
Described efferent duct is communicated with the lower end of described energy storage tank, to input refrigerating medium to described energy storage tank lower end.
Preferably, described geothermal heat exchanger cellular installation in underground stable thermal source layer to carry out cold and hot exchange with underground stable thermal source.
Implement earth source heat pump central air-conditioning system of energy storage of the present invention, there is following beneficial effect: the pressure that sucks cold-producing medium generation high-temperature high-pressure refrigerant by earth source heat pump compressor by the present invention is directly carried out cold and hot exchange and carried out cold and hot exchange by the refrigerating medium in heat exchange coil and energy storage tank by geothermal heat exchanger unit and underground thermal source layer, realize the direct cold and hot exchange of cold-producing medium and geothermal source and refrigerating medium, reduce cold and hot exchange link, effectively reduced the operation energy consumption of whole central air conditioner system.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the earth source heat pump central air-conditioning system of energy storage systematic schematic diagram in a preferred embodiment of the invention.
The specific embodiment
Understand for technical characterictic of the present invention, object and effect being had more clearly, now contrast accompanying drawing and describe the specific embodiment of the present invention in detail.
As shown in Figure 1, the earth source heat pump central air-conditioning system of energy storage in a preferred embodiment of the invention comprises cooling cycle system 10, energy storage equipment 20 and air conditioner circulating system 30.
Further, cooling cycle system 10 comprises control valve 11, earth source heat pump compressor 12 and geothermal heat exchanger unit 13.Control valve 11 is for regulating the conversion of refrigeration and heating operating mode, and control valve 11 comprises first passage 111, second channel 112, third channel 113 and four-way 114.In the time of cooling condition, first passage 111 is communicated with second channel 112, and third channel 113 is communicated with four-way 114; In the time of heating operating mode, first passage 111 is communicated with four-way 114, and second channel 112 is communicated with third channel 113, and preferably, control valve 11 is cross valve, and in other embodiments, control valve 11 also can be other control valves identical with cross valve function and replaces.
Earth source heat pump compressor 12 comprises for sucking cold-producing medium with the entrance 121 compressing and the outlet 122 that the high temperature and high pressure gas after compression is discharged.Wherein, entrance 121 is communicated with first passage 111, and outlet 122 is communicated with third channel 113.
In certain embodiments, geothermal heat exchanger unit 13 is for burying in underground thermal source layer to carry out cold and hot exchange with the earth, and preferably, geothermal heat exchanger unit 13 is arranged in underground stable thermal source layer to carry out cold and hot exchange with underground stable thermal source.Geothermal heat exchanger unit 13 comprises multiple geothermal heat exchangers that are arranged in parallel 131, is equipped with ground source heat exchanger valve 132 on each geothermal heat exchanger 131, so that each geothermal heat exchanger 131 is controlled and opened or close separately.
Further, energy storage equipment 20 comprises and the energy storage tank 21 of refrigerating medium is housed and is located at the heat exchange coil 22 in energy storage tank 21, and preferably, refrigerating medium is water or ethylene glycol etc., and the two ends of heat exchange coil 22 are communicated with geothermal heat exchanger unit 13 and second channel 112 respectively.
In certain embodiments, heat exchange coil 22 comprises the first port 221 being communicated with geothermal heat exchanger unit 13 and the second port 222 being communicated with second channel 112, preferably, the first port 221 is arranged on the lower end of energy storage tank 21, and the second port 222 is arranged on the upper end of energy storage tank 21.Heat exchange coil 22 rotary setting from bottom to top in the shape of a spiral, so that the abundant refrigerating medium with in energy storage tank 21 of its inner cold-producing medium carries out cold and hot exchange.
Understandably, in other embodiments, the first port 221, the second port 222 also can be arranged on the two relative side of energy storage tank 21, and heat exchange coil 22 also can be presented back bending folding and arrange.
Between geothermal heat exchanger unit 13 and the first port 221, be provided with choke valve 133, to regulate the flow of cold-producing medium.
In certain embodiments, air conditioner circulating system 30 comprises input pipe 31, air-conditioning circulating pump 32 and return duct 33, and the two ends of input pipe 31 are communicated with energy storage tank 21 and air conditioning terminal 34 respectively; Air-conditioning circulating pump 32 is arranged on input pipe 31 so that the refrigerating medium in energy storage tank 21 is pumped to air conditioning terminal 34, carries out cold and hot exchange with indoor environment; The two ends of return duct 33 are communicated with energy storage tank 21 and air conditioning terminal 34 respectively, so that the refrigerating medium completing after cold and hot exchange is back in energy storage tank 21.
Preferably, input pipe 31 is communicated with the upper end of energy storage tank 21, to carry the refrigerating medium of energy storage tank 21 upper ends to air conditioning terminal 34; Efferent duct is communicated with the lower end of energy storage tank 21, to input refrigerating mediums to energy storage tank 21 lower ends.
In certain embodiments, cooling cycle system 10 also comprises control module 14, control module 14 comprises the temperature sensor 141 being arranged in energy storage tank 21 and the controller 142 being electrically connected with temperature sensor 141, and controller 142 is also electrically connected with various places source heat exchanger valve 132.
Preferably, temperature sensor 141 is arranged on the upper end of energy storage tank 21, to obtain the variations in temperature signal of the energy storage tank 21 outside refrigerating mediums of exporting and to pass to controller 142, controller 142 is according to the unlatching quantity of the ground source heat exchanger valve 132 of the variation control geothermal heat exchanger unit 13 of temperature signal.
Below in conjunction with accompanying drawing 1, to the earth source heat pump central air-conditioning system of energy storage in the present embodiment, the working method when cooling condition and the heating operating mode describes.
When utilizing native system in the time that electricity price low ebb section is freezed, adjusting control valve 11, makes first passage 111 be communicated with second channel 112, and third channel 113 is communicated with four-way 114.Earth source heat pump compressor 12 in cooling cycle system 10 sucks cold-producing medium, and the refrigerant gas that is compressed into HTHP is by exporting 122 discharges, and flow through third channel 113 and four-way 114 enter and be imbedded in underground geothermal heat exchanger 131.
The refrigerant gas of HTHP gives off heat to and in thermal source layer, became cold refrigerant liquid in geothermal heat exchanger 131, crossing cold refrigerant liquid flows through and becomes the two-phase fluid of low-temp low-pressure after choke valve 133 step-downs, and enter heat exchange coil 22 by the first port 221, cold is passed to the refrigerating medium in energy storage tank 21, reduce the temperature of refrigerating medium, the cold of cold-producing medium is absorbed and is stored in energy storage tank 21 by refrigerating medium, uses in order to electricity price peak phase.Cold-producing medium after heat absorption flashes to gas flow through second channel 112 and first passage 111, is again sucked and circulates next time by the entrance 121 of earth source heat pump compressor 12.
In the time that air conditioning terminal 34 is freezed, open air-conditioning circulating pump 32, the low temperature refrigerating medium in energy storage tank 21 is transported to air conditioning terminal 34 through input pipe 31, for reducing indoor air themperature.Through the heat exchanger of air conditioning terminal 34 and indoor carry out cold and hot exchange after high temperature in absorption chamber refrigerating medium is heated up, under the effect of air-conditioning circulating pump 32 refrigerating medium of high temperature by return duct 33 be again back in energy storage tank 21, carry out on circulation once.
In the time of this cooling condition, low-temperature refrigerant is carried from bottom to top, and high temperature refrigerating medium is delivered into energy storage tank 21 by down, and this process can guarantee that the cold of low-temperature refrigerant in cold and hot exchange process fully absorbs, high low temperature mixes, and is exported the cold-producing medium of high temperature by the second port 222 of upper end.
When utilizing native system in the time that electricity price low ebb section is carried out heating, adjusting control valve 11, makes first passage 111 be communicated with four-way 114, and second channel 112 is communicated with third channel 113.Earth source heat pump compressor 12 in cooling cycle system 10 sucks cold-producing medium, and the refrigerant gas that is compressed into HTHP is by exporting 122 discharges, flow through third channel 113 and second channel 112, and enter heat exchange coil 22 by the second port 222, heat is passed to the refrigerating medium in energy storage tank 21, the temperature of rising refrigerating medium, the heat of cold-producing medium is absorbed and is stored in energy storage tank 21 by refrigerating medium, uses in order to electricity price peak phase.
High-temperature high-pressure refrigerant through with the cold and hot exchange of refrigerating medium after became cold refrigerant liquid, cross cold refrigerant liquid and become low-temp low-pressure two-phase fluid after choke valve 133 step-downs, enter the geothermal heat exchanger 131 under burial ground, from thermal source layer, heat absorption flashes to gas, refrigerant gas after evaporation endothermic flow through four-way 114 and first passage 111, again sucked and circulate next time by the entrance 121 of earth source heat pump compressor 12.
When air conditioning terminal 34 needs heating, open air-conditioning circulating pump 32, the high temperature refrigerating medium in energy storage tank 21 is transported to air conditioning terminal 34 through input pipe 31, for promoting indoor air themperature.Through the heat exchanger of air conditioning terminal 34 and indoorly give off heat to the indoor refrigerating medium cooling that makes after carrying out cold and hot exchange, under the effect of air-conditioning circulating pump 32 refrigerating medium of low temperature by return duct 33 be again back in energy storage tank 21, carry out on circulation once.
In the time of this heating operating mode, high temperature refrigerant is carried from top to bottom, and low temperature refrigerating medium is delivered into energy storage tank 21 by down, because high temperature is all the time in upper end, this process can guarantee that the heat of low-temperature refrigerant in cold and hot exchange process fully absorbs, and is exported the cold-producing medium of low temperature by the first port 221 of lower end.
Understandably, above-mentioned each technical characterictic can be combined use and unrestricted.
The foregoing is only embodiments of the invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes description of the present invention and accompanying drawing content to do; 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. an earth source heat pump central air-conditioning system of energy storage, is characterized in that, comprising: cooling cycle system (10), energy storage equipment (20) and air conditioner circulating system (30);
Described cooling cycle system (10) comprising:
Control valve (11), for regulating refrigeration and heating change working, described control valve (11) comprises first passage (111), second channel (112), third channel (113), four-way (114); When cooling condition, described first passage (111) is communicated with described second channel (112), and described third channel (113) is communicated with described four-way (114); In the time of heating operating mode, described first passage (111) is communicated with described four-way (114), and described second channel (112) is communicated with described third channel (113);
Earth source heat pump compressor (12), comprises for sucking the entrance (121) of cold-producing medium to compress, and the outlet (122) that the high-temperature high-pressure refrigerant gas after compression is discharged; Described entrance (121) is communicated with described first passage (111), and described outlet (122) is communicated with described third channel (113);
Geothermal heat exchanger unit (13), for burying in underground thermal source layer to carry out cold and hot exchange with the earth, described geothermal heat exchanger unit (13) is communicated with described four-way (114);
Described energy storage equipment (20) comprises and the energy storage tank (21) of refrigerating medium is housed and is located at the heat exchange coil (22) in described energy storage tank (21), and the two ends of heat exchange coil (22) are communicated with described geothermal heat exchanger unit (13) and second channel (112) respectively;
Described refrigerating medium absorbs the energy of cold-producing medium in described heat exchange coil (22) to freeze or to heat;
Described air conditioner circulating system (30) comprising:
Input pipe (31), two ends are communicated with described energy storage tank (21) and air conditioning terminal (34) respectively;
Air-conditioning circulating pump (32), is arranged on described input pipe (31) upper so that the refrigerating medium in described energy storage tank (21) is pumped to described air conditioning terminal (34), carries out cold and hot exchange with indoor environment;
Return duct (33), two ends are communicated with described energy storage tank (21) and described air conditioning terminal (34) respectively, so that the refrigerating medium completing after cold and hot exchange is back to described energy storage tank (21).
2. earth source heat pump central air-conditioning system of energy storage according to claim 1, is characterized in that, described geothermal heat exchanger unit (13) comprises several geothermal heat exchangers being arranged in parallel (131).
3. earth source heat pump central air-conditioning system of energy storage according to claim 2, is characterized in that, is equipped with ground source heat exchanger valve (132) on geothermal heat exchanger described in each (131).
4. earth source heat pump central air-conditioning system of energy storage according to claim 3, is characterized in that, described cooling cycle system (10) also comprises control module (14);
Described control module (14) comprises the temperature sensor (141) being arranged in described energy storage tank (21) and the controller (142) being electrically connected with described temperature sensor (141), and described controller (142) is electrically connected with each described ground source heat exchanger valve (132);
Described temperature sensor (141) obtains the interior variations in temperature signal of described energy storage tank (21) and passes to described controller (142), and described controller (142) is according to the unlatching quantity of the ground source heat exchanger valve (132) of geothermal heat exchanger unit (13) described in variations in temperature signal controlling.
5. earth source heat pump central air-conditioning system of energy storage according to claim 4, is characterized in that, described temperature sensor (141) arranges near the upper end of described energy storage tank (21).
6. earth source heat pump central air-conditioning system of energy storage according to claim 1, it is characterized in that, described heat exchange coil (22) comprises the first port (221) being communicated with described geothermal heat exchanger unit (13) and the second port (222) being communicated with described second channel (112), described the first port (221) is arranged on the lower end of described energy storage tank (21), and described the second port (222) is arranged on the upper end of described energy storage tank (21).
7. earth source heat pump central air-conditioning system of energy storage according to claim 6, is characterized in that, described heat exchange coil (22) rotary setting from bottom to top in the shape of a spiral.
8. earth source heat pump central air-conditioning system of energy storage according to claim 6, is characterized in that, between described geothermal heat exchanger unit (13) and described the first port (221), is provided with choke valve (133).
9. earth source heat pump central air-conditioning system of energy storage according to claim 1, is characterized in that, described input pipe (31) is communicated with the upper end of described energy storage tank (21), to carry the refrigerating medium of energy storage tank (21) upper end to described air conditioning terminal (34);
Described efferent duct is communicated with the lower end of described energy storage tank (21), to input refrigerating medium to described energy storage tank (21) lower end.
10. earth source heat pump central air-conditioning system of energy storage according to claim 1, is characterized in that, described geothermal heat exchanger unit (13) is arranged in underground stable thermal source layer to carry out cold and hot exchange with underground stable thermal source.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106642855A (en) * | 2016-11-16 | 2017-05-10 | 南京航空航天大学 | Airborne evaporation cycle refrigeration comprehensive heat management system and method and application thereof |
| CN109944626A (en) * | 2019-04-08 | 2019-06-28 | 东南大学 | Tunnel phase change cold-storage cooling system |
| CN112303827A (en) * | 2020-10-30 | 2021-02-02 | 青岛海尔空调电子有限公司 | Control method of combined air-conditioning system |
| CN113677158A (en) * | 2021-08-20 | 2021-11-19 | 江苏中科新源半导体科技有限公司 | Semiconductor thermal reactor precise temperature control system for ships |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005127612A (en) * | 2003-10-23 | 2005-05-19 | Nippon Steel Corp | Underground heat utilizing system with underground water tank water heat source heat pump |
| JP2006125769A (en) * | 2004-10-29 | 2006-05-18 | Denso Corp | Heat pump cycle device |
| CN101169272A (en) * | 2007-11-21 | 2008-04-30 | 杨向金 | Energy-storage air conditioner system |
| CN101236030A (en) * | 2008-02-01 | 2008-08-06 | 北京工业大学 | Direct type soil source heat pump system |
| KR20110103697A (en) * | 2010-03-15 | 2011-09-21 | 한밭대학교 산학협력단 | Heat pump system using ground heat source |
| CN203848425U (en) * | 2014-03-24 | 2014-09-24 | 深圳达实智能股份有限公司 | Central air-conditioning system for energy storage of ground source heat pump |
-
2014
- 2014-03-24 CN CN201410112000.0A patent/CN103900178B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005127612A (en) * | 2003-10-23 | 2005-05-19 | Nippon Steel Corp | Underground heat utilizing system with underground water tank water heat source heat pump |
| JP2006125769A (en) * | 2004-10-29 | 2006-05-18 | Denso Corp | Heat pump cycle device |
| CN101169272A (en) * | 2007-11-21 | 2008-04-30 | 杨向金 | Energy-storage air conditioner system |
| CN101236030A (en) * | 2008-02-01 | 2008-08-06 | 北京工业大学 | Direct type soil source heat pump system |
| KR20110103697A (en) * | 2010-03-15 | 2011-09-21 | 한밭대학교 산학협력단 | Heat pump system using ground heat source |
| CN203848425U (en) * | 2014-03-24 | 2014-09-24 | 深圳达实智能股份有限公司 | Central air-conditioning system for energy storage of ground source heat pump |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106642855A (en) * | 2016-11-16 | 2017-05-10 | 南京航空航天大学 | Airborne evaporation cycle refrigeration comprehensive heat management system and method and application thereof |
| CN109944626A (en) * | 2019-04-08 | 2019-06-28 | 东南大学 | Tunnel phase change cold-storage cooling system |
| CN109944626B (en) * | 2019-04-08 | 2020-12-29 | 东南大学 | Tunnel phase change cold accumulation cooling system |
| CN112303827A (en) * | 2020-10-30 | 2021-02-02 | 青岛海尔空调电子有限公司 | Control method of combined air-conditioning system |
| WO2022068257A1 (en) * | 2020-10-30 | 2022-04-07 | 青岛海尔空调电子有限公司 | Control method for combined air conditioning system |
| CN112303827B (en) * | 2020-10-30 | 2022-05-20 | 青岛海尔空调电子有限公司 | Control method of combined air-conditioning system |
| CN113677158A (en) * | 2021-08-20 | 2021-11-19 | 江苏中科新源半导体科技有限公司 | Semiconductor thermal reactor precise temperature control system for ships |
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