CN108507217B - Cold and warm circulating device based on water source - Google Patents
Cold and warm circulating device based on water source Download PDFInfo
- Publication number
- CN108507217B CN108507217B CN201810386537.4A CN201810386537A CN108507217B CN 108507217 B CN108507217 B CN 108507217B CN 201810386537 A CN201810386537 A CN 201810386537A CN 108507217 B CN108507217 B CN 108507217B
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- heat exchanger
- check valve
- water
- inlet
- valve
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 117
- 238000010438 heat treatment Methods 0.000 claims abstract description 38
- 238000001816 cooling Methods 0.000 claims abstract description 29
- 239000003507 refrigerant Substances 0.000 claims abstract description 29
- 230000000712 assembly Effects 0.000 claims abstract description 7
- 238000000429 assembly Methods 0.000 claims abstract description 7
- 239000007788 liquid Substances 0.000 claims description 17
- 239000002689 soil Substances 0.000 claims description 7
- 238000010792 warming Methods 0.000 claims 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 14
- 229910052731 fluorine Inorganic materials 0.000 description 14
- 239000011737 fluorine Substances 0.000 description 14
- 239000007789 gas Substances 0.000 description 9
- 238000005057 refrigeration Methods 0.000 description 7
- 239000003570 air Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
- F25B41/40—Fluid line arrangements
-
- 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
- F25B2500/00—Problems to be solved
- F25B2500/09—Improving heat transfers
Abstract
The invention relates to the technical field of heat pumps, in particular to a water source-based cooling and heating circulating device, which comprises: the refrigerant circulation pipeline (9) comprises a compressor (1), a first heat exchanger (3) and a second heat exchanger (6) which are sequentially connected, and an outlet of the second heat exchanger (6) is connected with an inlet of the compressor (1); a first water circulation pipeline (10) and a second water circulation pipeline (11) are respectively communicated with the first heat exchanger (3) and the second heat exchanger (6); the flow direction switching assemblies (8) are arranged in the refrigerant circulation pipeline (9) and are used for enabling the movement direction of the refrigerant in the first heat exchanger (3) and the second heat exchanger (6) to be opposite to the flow direction of the water in the first water circulation pipeline (10) and the second water circulation pipeline (11) all the time in the heating cycle or the refrigerating cycle. The invention provides a water source-based cooling and heating circulating device with high heat exchange efficiency in refrigerating and heating operation.
Description
Technical Field
The invention relates to the technical field of heat pumps, in particular to a water source-based cooling and heating circulating device.
Background
The air source heat pump hot and cold water unit exchanges heat with ambient air, and takes a small amount of electricity as driving force to complete an energy-saving product with improved heat grade. The performance of the air source heat pump is obvious along with the outdoor climate change, the outdoor temperature is too high or too low, the heat pump unit can not work normally, and the heat exchange efficiency is low. In order to solve the above technical problems, chinese patent document CN202083059U discloses a split pressure-reducing type water/geothermal heat pump unit for air conditioning by using water/geothermal energy, comprising: the system comprises a compressor, a first one-way electromagnetic valve, a split buck water/geothermal energy heat exchanger, a use side heat exchanger and a second one-way electromagnetic valve which are sequentially connected by pipelines, wherein the second one-way electromagnetic valve is connected with the compressor; the third one-way electromagnetic valve is connected in parallel with the first one-way electromagnetic valve, the split buck water/geothermal heat exchanger and the use side heat exchanger which are connected in series, and the fourth one-way electromagnetic valve is connected in parallel with the second one-way electromagnetic valve, the use side heat exchanger and the split buck water/geothermal heat exchanger which are connected in series. When in heating operation, the refrigerant passes through the use side heat exchanger from top to bottom, and the water passes through the use side heat exchanger from bottom to top, namely the refrigerant and the water exchange heat reversely, so that the heat exchange efficiency is higher; however, during refrigeration operation, the refrigerant passes through the use side heat exchanger from bottom to top, and the water also passes through the use side heat exchanger from bottom to top, namely the refrigerant and the water exchange heat in the same direction, and the heat exchange efficiency is low.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the defect of low heat exchange efficiency of the heat pump unit in the prior art during refrigeration operation, thereby providing the water source-based cooling and heating circulating device with higher heat exchange efficiency during refrigeration and heating operation.
In order to solve the technical problems, the invention provides a cooling and heating circulating device based on a water source, which comprises:
the refrigerant circulation pipeline comprises a compressor, a first heat exchanger and a second heat exchanger which are sequentially connected, and an outlet of the second heat exchanger is connected with an inlet of the compressor;
the first water circulation pipeline and the second water circulation pipeline are respectively communicated with the first heat exchanger and the second heat exchanger;
the flow direction switching assemblies are arranged in the refrigerant circulation pipeline and are used for enabling the movement direction of the refrigerant in the first heat exchanger and the second heat exchanger to be always opposite to the flow direction of the water in the first water circulation pipeline and the second water circulation pipeline in the heating cycle or the refrigerating cycle.
And the flow direction switching component is a one-way valve.
The water source-based cooling and heating circulating device comprises a plurality of flow direction switching assemblies, a plurality of water source-based cooling and heating circulating devices, and a plurality of water source-based cooling and heating circulating devices, wherein the plurality of water source-based cooling and heating circulating devices comprise a first flow direction switching assembly connected with the first heat exchanger and the second heat exchanger in series, and a second flow direction switching assembly connected with the first heat exchanger and the second heat exchanger in parallel respectively.
The first flow direction switching assembly comprises a first one-way valve and a second one-way valve which are respectively communicated with an inlet and an outlet of the first heat exchanger, and a third one-way valve and a fourth one-way valve which are respectively communicated with the inlet and the outlet of the second heat exchanger; the second flow direction switching assembly comprises a fifth one-way valve and a sixth one-way valve which are respectively connected with the first heat exchanger in parallel, and a seventh one-way valve and an eighth one-way valve which are respectively connected with the second heat exchanger in parallel.
The water source-based cooling and heating circulating device is characterized in that an inlet and an outlet of the fifth one-way valve are respectively connected to an outlet of the second one-way valve and an outlet of the first one-way valve, an inlet and an outlet of the sixth one-way valve are respectively connected to an inlet of the second one-way valve and an inlet of the first one-way valve, an inlet and an outlet of the seventh one-way valve are respectively connected to an outlet of the fourth one-way valve and an outlet of the third one-way valve, and an inlet and an outlet of the eighth one-way valve are respectively connected to an inlet of the fourth one-way valve and an inlet of the third one-way valve.
The cold-warm circulation device based on the water source further comprises a reversing valve which is arranged between the compressor and the first one-way valve and used for switching cold-warm circulation.
The cold-hot circulating device based on the water source further comprises a liquid storage device and a throttle valve which are arranged between the second one-way valve and the third one-way valve.
The cold-hot circulating device based on the water source further comprises a vapor-liquid separator arranged between the fourth one-way valve and the compressor.
The water source-based cooling and heating circulating device is characterized in that the first water circulating pipeline is connected with a water end, and the second water circulating pipeline is connected with a water source in water or soil.
The technical scheme of the invention has the following advantages:
1. according to the cooling and heating circulating device based on the water source, the plurality of flow direction switching assemblies are arranged in the refrigerant circulating pipeline, so that the movement direction of the refrigerant in the first heat exchanger and the second heat exchanger is always opposite to the flow direction of the water in the first water circulating pipeline and the second water circulating pipeline in the heating cycle or the refrigerating cycle, namely, the reverse heat exchange is always kept, and therefore heat loss is reduced, and the heat exchange efficiency of the circulating device is improved.
2. According to the cooling and heating circulating device based on the water source, provided by the invention, the flow direction switching component is a one-way valve, so that the uniqueness of the movement direction of the refrigerant is ensured, and the reverse movement of the refrigerant is prevented.
3. According to the water source-based cooling and heating circulating device, the first flow direction switching component is connected in series in the refrigerant circulating pipeline, so that in the heating cycle, the refrigerant sequentially passes through the first flow direction switching component, the first heat exchanger and the second heat exchanger, and the movement direction is opposite to the water flow direction of the first water circulating pipeline and the second water circulating pipeline, namely, reverse heat exchange is performed, and the heat exchange efficiency is improved; the second flow direction switching assembly is connected in parallel with the first heat exchanger and the second heat exchanger, so that in refrigeration cycle, even if the water flowing directions in the first water circulating pipeline and the second water circulating pipeline are unchanged, the movement direction of the refrigerant is always opposite to the water flowing direction, namely reverse heat exchange is guaranteed, and the heat exchange efficiency is improved.
4. According to the water source-based cooling and heating circulating device provided by the invention, the second water circulating pipeline is connected with the water source in the water body or the soil, so that the circulating device can acquire heat from the water source in the water body or the soil at any time or discharge redundant waste heat into the water body or the soil, the influence of external environment on heat exchange efficiency is reduced, and meanwhile, the pollution to the environment is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a water source-based cooling and heating circulation device provided by the invention.
Reference numerals illustrate:
1-a compressor; 2-reversing valve; 3-a first heat exchanger; 4-a reservoir; 5-throttle valve; 6-a second heat exchanger; 7-a vapor-liquid separator; 8-a flow direction switching component; 9-a refrigerant circulation pipeline; 10-a first water circulation line; 11-a second water circulation line; 81-a first one-way valve; 82-a second one-way valve; 83-a third one-way valve; 84-fourth one-way valve; 85-a fifth one-way valve; 86-sixth check valve; 87-seventh one-way valve; 88-eighth one-way valve.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In addition, the technical features of the different embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
An embodiment of the water source-based cooling and heating circulation device shown in fig. 1 comprises a refrigerant circulation pipeline 9, a first water circulation pipeline 10, a second water circulation pipeline 11 and a plurality of flow direction switching components 8 arranged in the refrigerant circulation pipeline 9.
The refrigerant circulation pipeline 9 comprises a compressor 1, a reversing valve 2, a first heat exchanger 3, a liquid reservoir 4, a throttle valve 5, a second heat exchanger 6 and a vapor-liquid separator 7 which are sequentially connected, and an outlet of the second heat exchanger 3 is connected with an inlet of the compressor 1. The first water circulation pipeline 10 and the second water circulation pipeline 11 are respectively communicated with the first heat exchanger 3 and the second heat exchanger 6 and are used for exchanging heat with the refrigerant flowing through the first heat exchanger 3 and the second heat exchanger 6. The flow direction switching components 8 are used for making the movement direction of the refrigerant in the first heat exchanger 3 and the second heat exchanger 6 always opposite to the flow direction of the water in the first water circulation pipeline 10 and the second water circulation pipeline 11 in the heating cycle or the refrigeration cycle.
In this embodiment, the flow direction switching component 8 is a one-way valve. The plurality of flow direction switching assemblies 8 comprises a first flow direction switching assembly connected in series with the first heat exchanger 3 and the second heat exchanger 6, and a second flow direction switching assembly connected in parallel with the first heat exchanger 3 and the second heat exchanger 6 respectively. The first flow direction switching assembly comprises a first check valve 81 and a second check valve 82 which are respectively communicated with the inlet and the outlet of the first heat exchanger 3, and a third check valve 83 and a fourth check valve 84 which are respectively communicated with the inlet and the outlet of the second heat exchanger 6, and in the heating cycle, the refrigerant flowing out of the compressor 1 passes through the reversing valve 2, the first check valve 81, the first heat exchanger 3, the second check valve 82, the liquid storage 4, the throttle valve 5, the third check valve 83, the second heat exchanger 6, the fourth check valve 84, the reversing valve 2 and the vapor-liquid separator 7 in sequence and then returns to the compressor 1 again; the second flow direction switching assembly includes a fifth check valve 85 and a sixth check valve 86 respectively connected in parallel with the first heat exchanger 3, and a seventh check valve 87 and an eighth check valve 88 respectively connected in parallel with the second heat exchanger 6, and in the refrigeration cycle, the refrigerant flowing out of the compressor 1 passes through the reversing valve 2, the seventh check valve 87, the second heat exchanger 6, the eighth check valve 88, the throttle valve 5, the accumulator 4, the fifth check valve 85, the first heat exchanger 3, the sixth check valve 86 and the reversing valve 2 in order and then returns to the compressor 1 again.
Specifically, the inlet and outlet of the fifth one-way valve 85 are connected to the outlet of the second one-way valve 82 and the outlet of the first one-way valve 81, respectively, i.e. the fifth one-way valve 85 is connected in parallel with the first heat exchanger 3 and the second one-way valve 82; the inlet and the outlet of the sixth one-way valve 86 are connected to the inlet of the second one-way valve 82 and the inlet of the first one-way valve 81, respectively, i.e. the sixth one-way valve 86 is connected in parallel with the first one-way valve 81 and the first heat exchanger 3; the inlet and outlet of the seventh one-way valve 87 are connected to the outlet of the fourth one-way valve 84 and the outlet of the third one-way valve 83, respectively, i.e. the seventh one-way valve 87 is connected in parallel with the fourth one-way valve 84 and the second heat exchanger 6; the inlet and outlet of the eighth non-return valve 88 are connected to the inlet of the fourth non-return valve 84 and the inlet of the third non-return valve 83, respectively, i.e. the eighth non-return valve 88 is connected in parallel with the second heat exchanger 6 and the third non-return valve 83.
A reversing valve 2 is provided between the compressor 1 and the first check valve 81 for switching the cooling and heating cycle. In this embodiment, the four-way reversing valve is provided, and an opening of the four-way reversing valve is also communicated with an inlet of the vapor-liquid separator 7, so that the low-temperature low-pressure gas after heat absorption is input into the vapor-liquid separator 7 through the four-way reversing valve.
The first water circulation pipeline 10 is connected with a water consumption end, and the second water circulation pipeline 11 is connected with a water source in a water body or soil. The water-using end can be a water heater, the temperature change of a water source in water or soil relative to the outside air is small, and the heat exchange efficiency can be ensured.
The working process of the cooling and heating circulating device based on the water source of the embodiment comprises the following steps: when a user needs hot water, heating circulation is started, high-temperature and high-pressure gas fluorine flows out of the compressor 1, flows in through an opening at the upper part of the four-way reversing valve, flows out of an opening at the right side of the lower part, flows into the first heat exchanger 3 through the first one-way valve 81, enters water from the right side of the first heat exchanger 3 through the first water circulation pipeline 10, flows out of the water from the left side, exchanges heat with cold water in the first water circulation pipeline 10 to release heat, the user side obtains heat, the high-temperature and high-pressure gas fluorine is converted into high-temperature and high-pressure liquid fluorine, then sequentially flows into the second heat exchanger 6 through the second one-way valve 82, the liquid accumulator 4 and the throttle valve 5, then flows into the second heat exchanger 6 through the third one-way valve 83, water in the external water body enters from the left side and flows out from the right side of the second heat exchanger 6, the low-temperature and low-pressure liquid fluorine absorbs heat in the second water circulation pipeline 11 and then is converted into low-temperature and low-pressure gas fluorine, and flows out of the four-way valve 84 and the four-way reversing valve through the left side opening at the lower part of the four-way reversing valve, and then flows into the four-way reversing valve 7, and enters the four-way reversing valve 7 to the air separator 1 again.
When a user needs to refrigerate the room, the refrigeration cycle is started, high-temperature and high-pressure gas fluorine flows out of the compressor 1, flows in through an opening at the upper part of the four-way reversing valve, flows out of an opening at the left side of the lower part, flows into the second heat exchanger 6 through the seventh one-way valve 87, at the moment, the second water circulation pipeline 11 enters water from the left side of the second heat exchanger 6 and water from the right side, the high-temperature and high-pressure gas fluorine exchanges heat with cold water in the second water circulation pipeline 11, and releases heat into a water body, namely, waste heat is discharged, namely, the high-temperature and high-pressure gas fluorine is converted into high-temperature and high-pressure liquid fluorine, then flows into the first heat exchanger 3 through the eighth one-way valve 88, the throttle valve 5 and the liquid fluorine at the lower part in sequence, flows into the first heat exchanger 3 through the fifth one-way valve 85, at the moment, the first water circulation pipeline 10 enters water from the right side of the first heat exchanger 3, the low-temperature and low-pressure liquid fluorine absorbs heat in the first water circulation pipeline 10, and then is converted into low-temperature and low-pressure gas fluorine, the low-temperature and high-pressure gas fluorine flows out of the four-way valve 7 through the four-way reversing valve 1, the low-way valve is separated from the lower part, and the low-temperature and the four-way valve 1, and the low-pressure fluorine flows out of the four-way valve through the four-way valve 1, and the four-way valve is separated into the room, and the low-way valve, and the low-pressure circulation valve.
In an alternative embodiment, the flow direction switching component 8 may be a three-way reversing valve or a single-pole double-throw switch, so long as the flow direction of the refrigerant can be changed, and the position of other original components in the circulation pipeline is not required to be adjusted, so that the cost is reduced, and the raw materials are saved.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the invention.
Claims (9)
1. A water source-based cooling and heating circulation device, comprising:
the refrigerant circulating pipeline (9) comprises a compressor (1), a reversing valve (2), a first heat exchanger (3) and a second heat exchanger (6) which are sequentially connected, and an outlet of the second heat exchanger (6) is connected with an inlet of the compressor (1); the reversing valve (2) is a four-way reversing valve, and one opening of the four-way reversing valve is also communicated with the inlet of the vapor-liquid separator (7);
a first water circulation pipeline (10) and a second water circulation pipeline (11) are respectively communicated with the first heat exchanger (3) and the second heat exchanger (6);
the flow direction switching assemblies (8) are arranged in the refrigerant circulation pipeline (9) and are used for enabling the movement direction of the refrigerant in the first heat exchanger (3) and the second heat exchanger (6) to be opposite to the flow direction of the water in the first water circulation pipeline (10) and the second water circulation pipeline (11) all the time in the heating cycle or the refrigerating cycle.
2. The water source-based cooling and heating cycle device according to claim 1, wherein the flow direction switching assembly (8) is a one-way valve.
3. The water source-based cooling and heating cycle device according to claim 2, wherein several of the flow direction switching assemblies (8) comprise a first flow direction switching assembly connected in series with the first heat exchanger (3) and the second heat exchanger (6), and a second flow direction switching assembly connected in parallel with the first heat exchanger (3) and the second heat exchanger (6), respectively.
4. A water source based cooling and heating cycle device according to claim 3, wherein the first flow direction switching assembly comprises a first check valve (81) and a second check valve (82) communicating with the inlet and outlet of the first heat exchanger (3), respectively, and a third check valve (83) and a fourth check valve (84) communicating with the inlet and outlet of the second heat exchanger (6), respectively; the second flow direction switching assembly comprises a fifth check valve (85) and a sixth check valve (86) which are respectively connected with the first heat exchanger (3) in parallel, and a seventh check valve (87) and an eighth check valve (88) which are respectively connected with the second heat exchanger (6) in parallel.
5. The water source-based cooling and warming cycle device according to claim 4, wherein an inlet and an outlet of the fifth check valve (85) are connected to an outlet of the second check valve (82) and an outlet of the first check valve (81), respectively, an inlet and an outlet of the sixth check valve (86) are connected to an inlet of the second check valve (82) and an inlet of the first check valve (81), respectively, an inlet and an outlet of the seventh check valve (87) are connected to an outlet of the fourth check valve (84) and an outlet of the third check valve (83), respectively, and an inlet and an outlet of the eighth check valve (88) are connected to an inlet of the fourth check valve (84) and an inlet of the third check valve (83), respectively.
6. The water source-based cooling and heating cycle device according to claim 4, further comprising a reversing valve (2) for cooling and heating cycle switching, which is provided between the compressor (1) and the first check valve (81).
7. The water source-based cooling and warming cycle apparatus of claim 6 further comprising a reservoir (4) and a throttle valve (5) disposed between the second check valve (82) and the third check valve (83).
8. The water source-based cooling and heating cycle device according to claim 7, further comprising a vapor-liquid separator (7) disposed between the fourth check valve (84) and the compressor (1).
9. The water source-based cooling and heating circulation device according to any one of claims 1-8, wherein the first water circulation line (10) is connected to a water-consuming end and the second water circulation line (11) is connected to a water source in a body of water or soil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810386537.4A CN108507217B (en) | 2018-04-26 | 2018-04-26 | Cold and warm circulating device based on water source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810386537.4A CN108507217B (en) | 2018-04-26 | 2018-04-26 | Cold and warm circulating device based on water source |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108507217A CN108507217A (en) | 2018-09-07 |
| CN108507217B true CN108507217B (en) | 2023-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810386537.4A Active CN108507217B (en) | 2018-04-26 | 2018-04-26 | Cold and warm circulating device based on water source |
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| CN (1) | CN108507217B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101078580A (en) * | 2006-05-26 | 2007-11-28 | 陈则韶 | Heat pump hot water machine set of water-containing internal circulation heat-exchanging loop |
| CN101526241A (en) * | 2008-03-04 | 2009-09-09 | 钱伟民 | Bidirectional heat pump solar energy heating system |
| KR20110034102A (en) * | 2009-09-28 | 2011-04-05 | 진금수 | Cold and hot water generator |
| CN104864627A (en) * | 2014-02-20 | 2015-08-26 | 陈则韶 | Double heating, refrigerating, water heating and dehumidifying system |
| CN208108533U (en) * | 2018-04-26 | 2018-11-16 | 浙江正理生能科技有限公司 | A kind of changes in temperature circulator based on water source |
-
2018
- 2018-04-26 CN CN201810386537.4A patent/CN108507217B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101078580A (en) * | 2006-05-26 | 2007-11-28 | 陈则韶 | Heat pump hot water machine set of water-containing internal circulation heat-exchanging loop |
| CN101526241A (en) * | 2008-03-04 | 2009-09-09 | 钱伟民 | Bidirectional heat pump solar energy heating system |
| KR20110034102A (en) * | 2009-09-28 | 2011-04-05 | 진금수 | Cold and hot water generator |
| CN104864627A (en) * | 2014-02-20 | 2015-08-26 | 陈则韶 | Double heating, refrigerating, water heating and dehumidifying system |
| CN208108533U (en) * | 2018-04-26 | 2018-11-16 | 浙江正理生能科技有限公司 | A kind of changes in temperature circulator based on water source |
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| Publication number | Publication date |
|---|---|
| CN108507217A (en) | 2018-09-07 |
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