CN202675727U - Ground source heat pump (GSHP) heat recovery unit with double independent systems - Google Patents
Ground source heat pump (GSHP) heat recovery unit with double independent systems Download PDFInfo
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- CN202675727U CN202675727U CN2012202576040U CN201220257604U CN202675727U CN 202675727 U CN202675727 U CN 202675727U CN 2012202576040 U CN2012202576040 U CN 2012202576040U CN 201220257604 U CN201220257604 U CN 201220257604U CN 202675727 U CN202675727 U CN 202675727U
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/56—Heat recovery units
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Abstract
The utility model belongs to the technical field of ground source heat pump (GSHP), and particularly relates to a GSHP heat recovery unit with double independent systems. The GSHP heat recovery unit resolves the technical problems in the prior art that design is not reasonable enough and the like. The GSHP heat recovery unit comprises two sets of compression-type refrigerating cycle systems which work mutually independently and are connected in parallel. Each of the compression-type refrigerating cycle systems comprises a ground-source-side heat exchanger, a host engine and a load-side heat exchangers. The two ground-source-side heat exchangers are connected in parallel on a buried pipe, the ground-source-side heat exchanger of each compression-type refrigerating cycle system is connected with the load-side heat exchanger, and the two load-side heat exchangers are connected in parallel on a load terminal. Each heat exchanging cycle system further comprises a heat recoverer connected with the ground-source-side heat exchanger, the host engine, and the load-side heat exchanger. The two heat recoverers are connected in parallel on a hot water circulation return circuit, and a domestic water terminal is connected with the hot water circulation return circuit. Compared with the prior art, the GSHP heat recovery unit with the double independent systems has the advantages of being capable of achieving grading load, flexible to control, and low in energy consumption of working.
Description
Technical field
The utility model belongs to the ground source heat pump technology field, relates to earth source heat pump recuperation of heat unit, relates in particular to a kind of earth source heat pump recuperation of heat unit with two autonomous systems.
Background technology
The regenerative resource of earth-source hot-pump system utilization cleaning, environmentally safe, and energy-efficient, belong to green environmental protection technique and device, meet the fundamental policies of present China energy, environmental protection.In recent years, earth source heat pump was more and more used in town and country.The earth source heat pump unit comprises that mainly compressor, condenser, evaporimeter and expansion valve four parts form, and earth-source hot-pump system mainly is to carry out thermodynamic cycle by the working medium of earth source heat pump unit (cold-producing medium); Existing earth source heat pump recuperation of heat unit floor space is large, four seasons domestic hot-water can not be provided, the flexibility of unit is particularly relatively poor to the control of water pump, there is energy waste, and the function that is not suitable for after Various Seasonal user user demand quantitative change reconfigures, and reduced the operational energy efficiency ratio of unit.
The problem that exists in order to solve prior art, people have carried out long-term exploration, have proposed various solutions.For example, Chinese patent literature discloses a kind of earth source heat pump unit [application number: 200720047098.1], comprise the main frame that compressor, gas-liquid separator, device for drying and filtering, expansion valve, temperature-sensitive bag, four-way change-over valve, indoor heat exchanger and corresponding pipeline consist of, it is characterized in that described unit arranges the ground heat exchanger of coil arrangement, one end of ground heat exchanger is connected with the device for drying and filtering in the main frame, and the other end of ground heat exchanger is connected with four-way change-over valve in the main frame.
Such scheme has improved prior art to a certain extent, but unit is in refrigeration or heat and when needing the domestic hot-water simultaneously, the output efficiency ratio of unit, system can not realize classification load, the function that is not suitable for after Various Seasonal user user demand quantitative change reconfigures, the system works poor stability, operation energy consumption is high.
Summary of the invention
The purpose of this utility model is for the problems referred to above, provides a kind of reasonable in design, and collection freezes, heats and the supplying hot water one, system can realize classification load, control is flexible, and operation energy consumption is low, the earth source heat pump recuperation of heat unit with two autonomous systems that system works is stable.
For achieving the above object, the utility model has adopted following technical proposal: comprise the two separate operations of cover and the compression-type refrigeration circulatory system that is arranged in parallel, each compression-type refrigeration circulatory system comprises ground source heat exchanger separately, main frame and load side heat exchanger, two ground source heat exchangers are connected in parallel on the underground pipe, ground source heat exchanger in each compression-type refrigeration circulatory system links to each other with the load side heat exchanger by main frame separately, two load side heat exchangers are connected in parallel on the loaded termination, it is characterized in that, each heat exchange circulation system also comprises respectively and ground source heat exchanger, the heat regenerator that main frame links to each other with the load side heat exchanger, two heat regenerators are connected in parallel on the hot water circulation loop, are connected with domestic hot-water's terminal in hot water circulation loop.System works is reliable and stable, because two systems are separate, for subsequent use each other, when a system overhaul, another system can normally move, and has increased the reliability of earth-source hot-pump system.
System control flexibly, two systems can be with identical mode operation, also can be with different mode operations, thereby can satisfy better the user in the different demands of Various Seasonal.Because air-conditioning and hot water load have larger variation in Various Seasonal, two systems can standard-sized sheet, also can only open a system, can reach energy-conservation purpose; Reclaim the heat hot water preparing by heat recovery mode during refrigeration, reduced operating cost.
In the earth source heat pump recuperation of heat unit of above-mentioned two autonomous systems, described hot water circulation loop comprises the power cycle mechanism that is arranged on hot water circulation loop backwater side, water supply side in described hot water circulation loop is provided with the hot water feeding pipe's interface that communicates with domestic hot-water's terminal, is provided with the hot water backwater's interface tube that communicates with domestic hot-water's terminal in hot water circulation loop backwater side.
In the earth source heat pump recuperation of heat unit of above-mentioned two autonomous systems, described power cycle mechanism comprises the hot water circulating pump that is arranged in parallel.
In the earth source heat pump recuperation of heat unit of above-mentioned two autonomous systems, described main frame comprises four-way change-over valve, be connected with compressor at four-way change-over valve, be provided with gas-liquid separator between compressor and four-way change-over valve, described four-way change-over valve links to each other with heat regenerator with ground source heat exchanger, load side heat exchanger respectively.
In the earth source heat pump recuperation of heat unit of above-mentioned two autonomous systems, be provided with source feed pipe interface and the source return pipe interface that communicates with underground pipe at described each ground source heat exchanger.
In the earth source heat pump recuperation of heat unit of above-mentioned two autonomous systems, be provided with load side feed pipe interface and the load side return pipe interface that communicates with loaded termination at described each load side heat exchanger.
In the earth source heat pump recuperation of heat unit of above-mentioned two autonomous systems, described compressor is scroll compressor.
In the earth source heat pump recuperation of heat unit of above-mentioned two autonomous systems, described heat regenerator is full heat regenerator.By full recuperation of heat, reduced the heat release amount to soil, be conducive to the thermal balance of soil; When a system heats (cold), when another system heats, reduced heat release amount or heat-obtaining amount to soil.
Compared with prior art, the advantage of the earth source heat pump recuperation of heat unit of this pair autonomous system is: reasonable in design, collection freezes, heats and the supplying hot water one, and system can realize classification load, and control is flexible, and operation energy consumption is low, and system works is stable.
Description of drawings
Fig. 1 is the frame structure schematic diagram that the utility model provides.
Fig. 2 is the structural representation that the utility model provides.
Among the figure, the compression-type refrigeration circulatory system 1, source heat exchanger 11, main frame 12, load side heat exchanger 13, underground pipe 2, loaded termination 3, heat regenerator 14, hot water circulation loop 4, domestic hot-water's terminal 5, power cycle mechanism 41, hot water feeding pipe's interface 42, hot water backwater's interface tube 43, hot water circulating pump 41a, four-way change-over valve 12a, compressor 12b, gas-liquid separator 12c, source feed pipe interface 21, source return pipe interface 22, load side feed pipe interface 31, load side return pipe interface 32.
The specific embodiment
The present invention will be further described in detail below in conjunction with the drawings and specific embodiments.
Shown in Fig. 1-2, this unit comprises the two separate operations of cover and the compression-type refrigeration circulatory system 1 that is arranged in parallel, each compression-type refrigeration circulatory system 1 comprises ground source heat exchanger 11 separately, main frame 12 and load side heat exchanger 13, two ground source heat exchangers 11 are connected in parallel on the underground pipe 2, ground source heat exchanger 11 in each compression-type refrigeration circulatory system 1 links to each other with load side heat exchanger 13 by main frame 12 separately, two load side heat exchangers 13 are connected in parallel on the loaded termination 3, it is characterized in that, each heat exchange circulation system 1 also comprises respectively and ground source heat exchanger 11, the heat regenerator 14 that main frame 12 links to each other with load side heat exchanger 13, two heat regenerators 14 are connected in parallel on the hot water circulation loop 4, are connected with domestic hot-water's terminal 5 in hot water circulation loop 4.As a kind of prioritization scheme, the heat regenerator 14 here is full heat regenerator.
Present embodiment is conducive to the thermal balance of soil, by full recuperation of heat, has reduced the heat release amount to soil; When a cooling system, when another system heats, heat release amount or heat-obtaining amount to soil have been reduced.Further, because two systems are separate, for subsequent use each other, when a system overhaul, another system can normally move, and has increased the reliability of earth-source hot-pump system.
Moreover, system control flexibly, two systems can be with identical mode operation, also can be with different mode operations, thereby can satisfy better the user in the different demands of Various Seasonal.Because air-conditioning and hot water load have larger variation in Various Seasonal, two systems can standard-sized sheet, also can only open a system, can reach energy-conservation purpose; Reclaim the heat hot water preparing by full heat recovery mode during refrigeration, reduced operating cost.
Concrete, as shown in Figure 2, hot water circulation loop 4 comprises the power cycle mechanism 41 that is arranged on hot water circulation loop 4 backwater sides, water supply side in described hot water circulation loop 4 is provided with the hot water feeding pipe's interface 42 that communicates with domestic hot-water's terminal 5, is provided with the hot water backwater's interface tube 43 that communicates with domestic hot-water's terminal 5 in hot water circulation loop 4 backwater sides.Further, this power cycle mechanism 41 comprises the hot water circulating pump 41a that is arranged in parallel.
More particularly, as shown in Figure 2, main frame 12 comprises four-way change-over valve 12a, be connected with compressor 12b at four-way change-over valve 12a, be provided with gas-liquid separator 12c between compressor 12b and four-way change-over valve 12a, described four-way change-over valve 12a links to each other with ground source heat exchanger 11, load side heat exchanger 13 and heat regenerator 14 respectively.As prioritization scheme, the compressor 12b here is scroll compressor.
Be provided with source feed pipe interface 21 and the source return pipe interface 22 that communicates with underground pipe 2 at described each ground source heat exchanger 11.Be provided with load side feed pipe interface 31 and the load side return pipe interface 32 that communicates with loaded termination 3 at described each load side heat exchanger 13.
Control in the present embodiment mainly comprises following several working method flexibly:
The first working method, as shown in Figure 2, when cooling load of air-condition larger, two systems are during all with " refrigeration " mode operation, the high temperature refrigerant gas that the compressor 12b of two heat exchange circulation systems 1 discharges, by four-way change-over valve 12a and magnetic valve V6, to ground source heat exchanger 11, behind ground source recirculated water heat release, be condensed into liquid, behind expansion valve V12 reduction pressure and temperature, enter load side heat exchanger 13 through magnetic valve V14 again, absorb the temperature of load side recirculated water and flash to gas, gas is through four-way change-over valve 12a, gas-liquid separator 12c is inhaled into compressor 12b, finishes kind of refrigeration cycle.
At this moment, ground source water circulating pump (user disposes separately) operation, motor-driven valve V7 opens, ground source recirculated water is by the heat of ground source heat exchanger 11 absorption refrigeration agent, temperature raises, when high-temperature water is recycled to soil (or underground water, surface water), to the lower soil of temperature (or underground water, surface water) release heat.Simultaneously, air conditioner load side water circulating pump operation, chilled water is by load side heat exchanger 13, and cooled dose of heat absorption and lowering the temperature becomes the required chilled water of air-conditioning end.
The second working method:
As shown in Figure 2, when refrigeration duty larger, and when the hot water load is also large, two systems are all with " full recuperation of heat " mode operation, the high temperature refrigerant gas that the compressor 12b of two heat exchange circulation systems 1 discharges, by four-way change-over valve 12a and magnetic valve V5, to heat regenerator 14, behind hot water circuit water heat release, be condensed into liquid, through reducing pressure and temperature to expansion valve V12 behind the magnetic valve V10, enter load side heat exchanger 13 through magnetic valve V14 again, absorb the temperature of load side recirculated water and flash to gas, gas is through four-way change-over valve 12a, gas-liquid separator 3 is inhaled into compressor 12b, finishes kind of refrigeration cycle.
At this moment, hot water circulating pump 41a operation, motor-driven valve V13 opens, and hot water circuit water is by the heat of air-to-air total heat exchanger 9 absorption refrigeration agent, and temperature raises, and delivers to boiler (user joins in addition).Simultaneously, air conditioner load side recirculated water is by load side heat exchanger 13, and cooled dose of heat absorption and lowering the temperature becomes the required chilled water of air-conditioning end.
The third working method:
As shown in Figure 2, when the large and hot water load of refrigeration duty hour, a system is with " refrigeration " mode operation, a system is with " full recuperation of heat " mode operation.The variation of the motor-driven valve V7 of water system, V13 random groups operational mode is automatically opened or is closed.
Other working methods:
As shown in Figure 2, when the less and hot water load of refrigeration duty was larger, a system was with " full recuperation of heat " mode operation, and another system is with " single water heating " mode operation.When thermic load was larger, two systems were all with " heating " mode operation.When thermic load hour, as long as one of them system is with " heating " mode operation.When thermic load is less and when needing the hot water load simultaneously, a system is with " heating " mode operation, another system is with " single water heating " mode operation.When only needing hot water preparing, a system or two systems are with " single water heating " mode operation.When the air-conditioned room that has need freeze the room that has need heat the time, can allow a system with " refrigeration " or " full recuperation of heat " mode operation, another system is with " heating " mode operation.Because the principle of other working methods of present embodiment is basic identical with first and second and three operation principles of present embodiment, and therefore not to repeat here.
Specific embodiment described herein only is to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although this paper has more used the compression-type refrigeration circulatory system 1, ground source heat exchanger 11, main frame 12, load side heat exchanger 13, underground pipe 2, loaded termination 3, heat regenerator 14, hot water circulation loop 4, domestic hot-water's terminal 5, power cycle mechanism 41, hot water feeding pipe's interface 42, hot water backwater's interface tube 43, hot water circulating pump 41a, four-way change-over valve 12a, compressor 12b, gas-liquid separator 12c, source feed pipe interface 21, source return pipe interface 22, load side feed pipe interface 31, load side return pipe interface 32 terms such as grade, but do not get rid of the possibility of using other term.Using these terms only is in order to describe more easily and explain essence of the present utility model; They are construed to any additional restriction all is contrary with the utility model spirit.
Claims (8)
1. earth source heat pump recuperation of heat unit with two autonomous systems, comprise the two separate operations of cover and the compression-type refrigeration circulatory system (1) that is arranged in parallel, each compression-type refrigeration circulatory system (1) comprises ground source heat exchanger (11) separately, main frame (12) and load side heat exchanger (13), two ground source heat exchangers (11) are connected in parallel on the underground pipe (2), ground source heat exchanger (11) in each compression-type refrigeration circulatory system (1) links to each other with load side heat exchanger (13) by main frame (12) separately, two load side heat exchangers (13) are connected in parallel on the loaded termination (3), it is characterized in that, each heat exchange circulation system (1) also comprises respectively and ground source heat exchanger (11), the heat regenerator (14) that main frame (12) links to each other with load side heat exchanger (13), two heat regenerators (14) are connected in parallel on the hot water circulation loop (4), are connected with domestic hot-water's terminal (5) in hot water circulation loop (4).
2. the earth source heat pump recuperation of heat unit of according to claim 1 pair of autonomous system, it is characterized in that, described hot water circulation loop (4) comprises the power cycle mechanism (41) that is arranged on hot water circulation loop (4) backwater side, water supply side in described hot water circulation loop (4) is provided with the hot water feeding pipe's interface (42) that communicates with domestic hot-water's terminal (5), is provided with the hot water backwater's interface tube (43) that communicates with domestic hot-water's terminal (5) in hot water circulation loop (4) backwater side.
3. the earth source heat pump recuperation of heat unit of according to claim 2 pair of autonomous system is characterized in that, described power cycle mechanism (41) comprises the hot water circulating pump (41a) that is arranged in parallel.
4. the earth source heat pump recuperation of heat unit of according to claim 1 pair of autonomous system, it is characterized in that, described main frame (12) comprises four-way change-over valve (12a), be connected with compressor (12b) at four-way change-over valve (12a), be provided with gas-liquid separator (12c) between compressor (12b) and four-way change-over valve (12a), described four-way change-over valve (12a) links to each other with ground source heat exchanger (11), load side heat exchanger (13) and heat regenerator (14) respectively.
5. according to claim 1 and 2 or 3 or the earth source heat pump recuperation of heat unit of 4 described pairs of autonomous systems, it is characterized in that, be provided with source feed pipe interface (21) and the source return pipe interface (22) that communicates with underground pipe (2) at described each ground source heat exchanger (11).
6. the earth source heat pump recuperation of heat unit of according to claim 5 pair of autonomous system, it is characterized in that, be provided with load side feed pipe interface (31) and the load side return pipe interface (32) that communicates with loaded termination (3) at described each load side heat exchanger (13).
7. the earth source heat pump recuperation of heat unit of according to claim 4 pair of autonomous system is characterized in that, described compressor (12b) is scroll compressor.
8. the earth source heat pump recuperation of heat unit of according to claim 4 pair of autonomous system is characterized in that, described heat regenerator (14) is full heat regenerator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202576040U CN202675727U (en) | 2012-05-31 | 2012-05-31 | Ground source heat pump (GSHP) heat recovery unit with double independent systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2012202576040U CN202675727U (en) | 2012-05-31 | 2012-05-31 | Ground source heat pump (GSHP) heat recovery unit with double independent systems |
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| CN202675727U true CN202675727U (en) | 2013-01-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012202576040U Expired - Lifetime CN202675727U (en) | 2012-05-31 | 2012-05-31 | Ground source heat pump (GSHP) heat recovery unit with double independent systems |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107300232A (en) * | 2017-08-01 | 2017-10-27 | 沃逸新能源科技（江苏）有限公司 | A kind of two-in-one villa Special air-conditioning system of earth source heat pump air energy heat pump |
| CN112710104A (en) * | 2020-09-29 | 2021-04-27 | 轨道交通节能北京市工程研究中心有限公司 | Combined type refrigeration or heating unit system |
-
2012
- 2012-05-31 CN CN2012202576040U patent/CN202675727U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107300232A (en) * | 2017-08-01 | 2017-10-27 | 沃逸新能源科技（江苏）有限公司 | A kind of two-in-one villa Special air-conditioning system of earth source heat pump air energy heat pump |
| CN112710104A (en) * | 2020-09-29 | 2021-04-27 | 轨道交通节能北京市工程研究中心有限公司 | Combined type refrigeration or heating unit system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: Building No. 288 Hangzhou Conba Zhejiang province 310051 city of Binjiang District Jiangnan Road, room 1 1202-1 Patentee after: LOOPMASTER ENERGY TECHNOLOGY CO., LTD. Address before: Hangzhou City, Zhejiang Province, Gongshu District Cheung Road 310015 5-1-501 Patentee before: Zhejiang Lute Energy Technology Co.,Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130116 |