CN204963300U - Ground source heat pump - Google Patents

Ground source heat pump Download PDF

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Publication number
CN204963300U
CN204963300U CN201520537231.6U CN201520537231U CN204963300U CN 204963300 U CN204963300 U CN 204963300U CN 201520537231 U CN201520537231 U CN 201520537231U CN 204963300 U CN204963300 U CN 204963300U
Authority
CN
China
Prior art keywords
heat exchanger
outdoor
compressor
indoor
container
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201520537231.6U
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Chinese (zh)
Inventor
姜再波
隋芹东
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHANDONG LEJIE AIR-CONDITIONING EQUIPMENT Co Ltd
Original Assignee
SHANDONG LEJIE AIR-CONDITIONING EQUIPMENT Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SHANDONG LEJIE AIR-CONDITIONING EQUIPMENT Co Ltd filed Critical SHANDONG LEJIE AIR-CONDITIONING EQUIPMENT Co Ltd
Priority to CN201520537231.6U priority Critical patent/CN204963300U/en
Application granted granted Critical
Publication of CN204963300U publication Critical patent/CN204963300U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a ground source heat pump, including refrigerant cycle system and heat medium circulation system, the refrigerant cycle system includes the compressor, indoor heat exchanger and outdoor heat exchanger, a compressor, indoor heat exchanger and outdoor heat exchanger loop through the pipe connection, be equipped with the expansion valve between this indoor heat exchanger and the outdoor heat exchanger, be equipped with heat exchanger between this expansion valve and the outdoor heat exchanger, be equipped with the mechanism of decompressor between this heat exchanger and the outdoor heat exchanger, heat exchange tube in heat exchanger includes inclosed container and locates this container, the both ends of this heat exchange tube are connected with the outflow end of expansion valve and the inflow end of mechanism of decompressor respectively, heat medium circulation system is including ground source heat exchanger, this place source heat exchanger is connected with the container of heat exchanger through a liquid pipe and a trachea respectively, accommodate the heat medium body among the heat medium circulation system in the container. The utility model discloses a ground source heat pump can make ground source heat exchanger miniaturized to practice thrift the cost of manufacture of ground source heat exchanger.

Description

Earth source heat pump
Technical field
The utility model relates to a kind of heat-exchange system, particularly a kind of earth source heat pump.
Background technology
Earth source heat pump is a kind of high efficiency energy saving air conditioner equipment utilizing the heat supply of geothermal resource or refrigeration.Existing earth-source hot-pump system only cold and hotly meets close area in the summer in winter and could play good runnability for a long time.Because China has the area close to 2/3rds to be in severe cold area or cold district, the thermic load of building is much larger than refrigeration duty, when when these regional applying ground source heat pump systems, the heat-obtaining speed of earth-source hot-pump system far exceedes earth's surface and the earth's core to the regeneration rate in heat-obtaining region, make the soil moisture around soil heat exchanger become to decline year by year, there will be the situation that heating performance reduces year by year.For improving earth-source hot-pump system reliability of operation, part engineering have employed the mode expanding distance of embedded pipe, although which can delay the decline of the soil moisture, can not solve the problem that earth-source hot-pump system prolonged application performance reduces at all.
Utility model content
The utility model proposes a kind of earth source heat pump, solve the problems such as earth source heat pump utilization rate in prior art is low.
The technical solution of the utility model is achieved in that
A kind of earth source heat pump, the heating agent circulatory system comprising refrigerant-cycle systems and be connected with this refrigerant-cycle systems, described refrigerant-cycle systems comprises compressor, the indoor heat exchanger be connected with this compressor and the outdoor heat exchanger be connected with this indoor heat exchanger, described compressor, indoor heat exchanger and outdoor heat exchanger are connected by pipeline successively, and described indoor heat exchanger is connected with the outlet of compressor, described outdoor heat exchanger is connected with the entrance of this compressor, the side of this compressor is provided with a cross valve, four interfaces of this cross valve respectively with indoor heat exchanger, the outlet of outdoor heat exchanger and compressor and the entrance of compressor connect, the pipeline be connected between this indoor heat exchanger with outdoor heat exchanger is provided with an expansion valve, the pipeline be connected between this expansion valve with outdoor heat exchanger is provided with a heat exchanger, the pipeline be connected between this heat exchanger with outdoor heat exchanger is also provided with a mechanism of decompressor, the heat exchanger tube that described heat exchanger comprises an airtight container and is located in this container, the two ends of this heat exchanger tube are through to the outside of container respectively, its one end is connected with the outflow end of expansion valve, the other end is connected with the inflow end of the mechanism of decompressor, the described heating agent circulatory system comprises ground-coupled heat exchanger, this ground-coupled heat exchanger is connected with the container of heat exchanger respectively by a liquid pipe and a tracheae, the hot media in the heating agent circulatory system is contained in described container.
Preferred version is, described expansion valve is the motor-driven valve of adjustable opening.
Preferred version is, the side of described outdoor heat exchanger is provided with an outdoor fan, and the side of described indoor heat exchanger is provided with an indoor fan.
Preferred version is, described heat exchanger tube is spirality.
Preferred version is, the described mechanism of decompressor is decompression capillary.
The beneficial effects of the utility model are:
Earth source heat pump of the present utility model can carry out the phase change of hot media and heat exchange separately due to ground-coupled heat exchanger and heat exchanger, even if when the ground temperature in source and the having a narrow range of temperature of the refrigerant evaporating temperature of ground-coupled heat exchanger, also heating agent can be made fully to absorb ground source heat and the cold-producing medium of refrigerant-cycle systems is evaporated, therefore ground-coupled heat exchanger can be made miniaturized, thus frugally source heat exchanger making and bury cost underground.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the utility model earth source heat pump.
In figure:
100, earth source heat pump; 10, refrigerant-cycle systems; 20, the heating agent circulatory system; 11, compressor; 12, indoor heat exchanger; 13, outdoor heat exchanger; 14, expansion valve; 30, heat exchanger; 15, the mechanism of decompressor; 16, indoor fan; 31, container; 32, heat exchanger tube; 18, outdoor fan; 21, ground-coupled heat exchanger; 22, liquid pipe; 23, tracheae; 50, cross valve; 51, first interface; 52, the second interface; 53, the 3rd interface; 54, the 4th interface.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1, this earth source heat pump 100 heating agent circulatory system 20 of comprising a refrigerant-cycle systems 10 and being connected with this refrigerant-cycle systems 10.
The outdoor heat exchanger 13 that described refrigerant-cycle systems 10 comprises a compressor 11, the indoor heat exchanger 12 be connected with this compressor 11 and is connected with this indoor heat exchanger 12.Described compressor 11, indoor heat exchanger 12 and outdoor heat exchanger 13 are connected by pipeline successively, and described indoor heat exchanger 12 is connected with the outlet of compressor 11, and described outdoor heat exchanger 13 is connected with the entrance of this compressor 11.The side of this compressor 11 is provided with a cross valve 50, this cross valve 50 comprises first interface 51, second interface 52, the 3rd interface 53 and the 4th interface 54 that set gradually, this first interface 51 is connected with indoor heat exchanger 12,3rd interface 53 is connected with outdoor heat exchanger 13, this second interface 52 is connected with the outlet of compressor 11, and the 4th interface 54 is connected with the entrance of compressor 11.The pipeline be connected between this indoor heat exchanger 12 with outdoor heat exchanger 13 is provided with an expansion valve 14.The pipeline be connected between this expansion valve 14 with outdoor heat exchanger 13 is provided with a heat exchanger 30, and the pipeline be connected between heat exchanger 30 with outdoor heat exchanger 13 is also provided with a mechanism of decompressor 15.
This compressor 11 sucks refrigerant from its suction inlet and compresses, then is discharged from its outlet by refrigerant.Lubricating oil is filled with in this compressor 11.This indoor heat exchanger 12 is located at the indoor need carrying out regulating air, and its side is provided with an indoor fan 16, for draw air and refrigerant-cycle systems 10 carry out heat exchange indoor.Described expansion valve 14 is the motor-driven valve of adjustable opening, carries out falling reduced pressure treatment for high-pressure liquid refrigerant heat exchanger 12 indoor being flowed to heat exchanger 30.
The heat exchanger tube 32 that described heat exchanger 30 comprises an airtight container 31 and is located in this container 31.The hot media in the heating agent circulatory system is contained in this airtight container 31.This heat exchanger tube 32 is spirality, is located at the upper space in this container 31.The two ends of this heat exchanger tube 32 are through to the outside of container 31 respectively, its one end is connected with the outflow end of expansion valve 14, the other end is connected with the inflow end of the mechanism of decompressor 15, and namely the heat exchanger tube 32 of this heat exchanger 30 is that the part of refrigerant-cycle systems 10 is located between indoor heat exchanger 12 and outdoor heat exchanger 13.
This mechanism of decompressor 15 is located between heat exchanger 30 in refrigerant-cycle systems 10 and outdoor heat exchanger 13, for the refrigerant body of the gas-liquid mixed being flowed to outdoor heat exchanger 13 by heat exchanger 30 is carried out reduced pressure treatment.In the present embodiment, this mechanism of decompressor 15 is decompression capillary, and when specifically implementing, the structure of this mechanism of decompressor 15 is not limited to the situation of the present embodiment, also can be other pressure regulating equipments.
This outdoor heat exchanger 13 is the air heat exchanger that refrigerant and air carry out heat exchange.This outdoor heat exchanger 13 is located at outdoor, and its side is provided with an outdoor fan 18.This outdoor fan 18 is for carrying out heat exchange by the refrigerant in outdoor air and refrigerant-cycle systems 10.
This heating agent circulatory system 20 comprises heat exchanger 30 in ground-coupled heat exchanger 21, refrigerant-cycle systems 10, to connect and liquid pipe 22 between this ground-coupled heat exchanger 21 and heat exchanger 30 and tracheae 23 respectively.Hot media in this hot media circulatory system 20 is with carbon dioxide etc., the material of thing phase change can occur.Said hot media absorbs ground source heat evaporation in ground-coupled heat exchanger 21, and in heat exchanger 30, the cold-producing medium of the cooled dose of circulatory system 10 absorbs heat and condenses.
This ground-coupled heat exchanger 21 is embedded in underground, for absorbing heat from soil.Soil used can be various stratum.In the present embodiment, this ground-coupled heat exchanger 21 is the steel pipe of both ends open.The length of this steel pipe is 5m, and it is vertically located at 10m depths, underground.Described liquid pipe 22 is for hot media liquid in heat exchanger 30 supply ground-coupled heat exchanger 21, and the evaporation of absorption ground source heat becomes gaseous state in ground-coupled heat exchanger 21, then is flow in heat exchanger 30 by its tracheae 23.The container 31 of described heat exchanger 30 is connected with ground-coupled heat exchanger 21, and namely the container 31 of heat exchanger 30 is that the part of the heating agent circulatory system is connected with ground-coupled heat exchanger 21.The top of described liquid pipe 22 be connected bottom the container 31 of heat exchanger 30 and communicate, its bottom to extend in ground-coupled heat exchanger 21 and lower than the top of ground-coupled heat exchanger 21.In bottom the container 31 that the top of described tracheae 23 extends heat exchanger 30 and bottom eminence container 31, its bottom is connected with the top of ground-coupled heat exchanger 21 and communicates.
This earth source heat pump is when heating, owing to flowing through cold-producing medium successively in this heat exchanger 30 and outdoor heat exchanger 13, heat exchanger 30 is provided with between expansion valve 14 and outdoor heat exchanger 13, the mechanism of decompressor 15 is provided with between outdoor heat exchanger 13 and heat exchanger 30, the refrigerant temperature in the refrigerant evaporating temperature outdoor heat exchanger 13 in heat exchanger 30 can be made high, the occasion that temperature is very low outside, make the heat medium temperature of ground-coupled heat exchanger 21 higher, can prevent ground-coupled heat exchanger 21 from freezing, thus prevent the thermal efficiency of ground-coupled heat exchanger 21 low.Due to the various phase change of hot media in ground-coupled heat exchanger 21 and heat exchanger 30, form the hot media closed circuit of Natural Circulation, without the need to the circulation adopting circulating pump to carry out hot media, save electric power.Because ground-coupled heat exchanger 21 and heat exchanger 30 carry out the phase change of hot media and heat exchange separately, even if when the ground temperature in source and the having a narrow range of temperature of the refrigerant evaporating temperature of ground-coupled heat exchanger 21, also heating agent can be made fully to absorb ground source heat and the cold-producing medium of refrigerant-cycle systems 10 is evaporated, therefore ground-coupled heat exchanger 21 can be made miniaturized, thus frugally source heat exchanger 21 making and bury cost underground.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.

Claims (5)

1. an earth source heat pump, the heating agent circulatory system comprising refrigerant-cycle systems and be connected with this refrigerant-cycle systems, it is characterized in that: described refrigerant-cycle systems comprises compressor, the indoor heat exchanger be connected with this compressor and the outdoor heat exchanger be connected with this indoor heat exchanger, described compressor, indoor heat exchanger and outdoor heat exchanger are connected by pipeline successively, and described indoor heat exchanger is connected with the outlet of compressor, described outdoor heat exchanger is connected with the entrance of this compressor, the side of this compressor is provided with a cross valve, four interfaces of this cross valve respectively with indoor heat exchanger, the outlet of outdoor heat exchanger and compressor and the entrance of compressor connect, the pipeline be connected between this indoor heat exchanger with outdoor heat exchanger is provided with an expansion valve, the pipeline be connected between this expansion valve with outdoor heat exchanger is provided with a heat exchanger, the pipeline be connected between this heat exchanger with outdoor heat exchanger is also provided with a mechanism of decompressor, the heat exchanger tube that described heat exchanger comprises an airtight container and is located in this container, the two ends of this heat exchanger tube are through to the outside of container respectively, its one end is connected with the outflow end of expansion valve, the other end is connected with the inflow end of the mechanism of decompressor, the described heating agent circulatory system comprises ground-coupled heat exchanger, this ground-coupled heat exchanger is connected with the container of heat exchanger respectively by a liquid pipe and a tracheae, the hot media in the heating agent circulatory system is contained in described container.
2. earth source heat pump as claimed in claim 1, is characterized in that: described expansion valve is the motor-driven valve of adjustable opening.
3. earth source heat pump as claimed in claim 1, it is characterized in that: the side of described outdoor heat exchanger is provided with an outdoor fan, the side of described indoor heat exchanger is provided with an indoor fan.
4. earth source heat pump according to any one of claims 1 to 3, is characterized in that: described heat exchanger tube is spirality.
5. earth source heat pump according to any one of claims 1 to 3, is characterized in that: the described mechanism of decompressor is decompression capillary.
CN201520537231.6U 2015-07-22 2015-07-22 Ground source heat pump Expired - Fee Related CN204963300U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520537231.6U CN204963300U (en) 2015-07-22 2015-07-22 Ground source heat pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520537231.6U CN204963300U (en) 2015-07-22 2015-07-22 Ground source heat pump

Publications (1)

Publication Number Publication Date
CN204963300U true CN204963300U (en) 2016-01-13

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520537231.6U Expired - Fee Related CN204963300U (en) 2015-07-22 2015-07-22 Ground source heat pump

Country Status (1)

Country Link
CN (1) CN204963300U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112236629A (en) * 2018-05-15 2021-01-15 艾默生环境优化技术有限公司 Climate control system with ground loop

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112236629A (en) * 2018-05-15 2021-01-15 艾默生环境优化技术有限公司 Climate control system with ground loop

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GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160113

Termination date: 20170722

CF01 Termination of patent right due to non-payment of annual fee