CN220507373U - Freezer based on photovoltaic and geothermal energy - Google Patents
Freezer based on photovoltaic and geothermal energy Download PDFInfo
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- CN220507373U CN220507373U CN202322112736.5U CN202322112736U CN220507373U CN 220507373 U CN220507373 U CN 220507373U CN 202322112736 U CN202322112736 U CN 202322112736U CN 220507373 U CN220507373 U CN 220507373U
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- storage tank
- geothermal
- liquid storage
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- photovoltaic
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- 239000007788 liquid Substances 0.000 claims abstract description 121
- 238000005057 refrigeration Methods 0.000 claims abstract description 32
- 239000002918 waste heat Substances 0.000 claims description 23
- 238000011084 recovery Methods 0.000 claims description 10
- 238000004064 recycling Methods 0.000 claims 1
- 238000004321 preservation Methods 0.000 abstract description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000001816 cooling Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The utility model relates to a clean energy refrigerator, in particular to a refrigerator based on photovoltaic and geothermal energy, which belongs to the technical field of refrigeration and preservation, and comprises a refrigerating unit, a calandria arranged in the refrigerator and a liquid storage tank connected with the calandria, wherein the liquid storage tank comprises a first liquid storage tank and a second liquid storage tank, the first liquid storage tank and the second liquid storage tank are both connected with the calandria through circulating pipelines, the first liquid storage tank is connected with the refrigerating unit through the refrigerating circulating pipelines, and the first liquid storage tank is also connected with a ground source heat pump through the geothermal circulating pipelines, so that the refrigerator has the following advantages compared with the prior art: the solar energy and the geothermal energy are combined in the form of double clean energy, so that the mutual gain of the double clean energy is realized.
Description
Technical Field
The utility model relates to a clean energy refrigeration house, in particular to a refrigeration house based on photovoltaic and geothermal energy, and belongs to the technical field of refrigeration and preservation.
Background
Geothermal energy and solar energy are known renewable energy sources with less pollution and less emission, in order to reduce the pollution to the environment, people increasingly use clean energy to provide power, in the existing refrigeration house design, the temperature adjustment of liquid in a calandria mainly passes through a refrigeration unit, the refrigeration unit comprises a compressor, a condenser, other valves and other parts, and the refrigeration of the refrigeration house needs 24 hours to be continuously adjusted and controlled, so that the operation of the refrigeration unit needs to be maintained all the time in the existing refrigeration house, the service life of the refrigeration unit is reduced, the energy consumption is increased, especially the electric energy consumption is increased, the operation cost is increased, and the design of supplying power to the refrigeration unit through solar energy is also provided in the prior art, for example, the patent number is: 202122449051.0, patent name: the patent of a solar photovoltaic refrigerator discloses a solar power supply refrigerator with an adjustable photovoltaic panel angle, but the photovoltaic panel can not be used in special seasons such as a plum rainy season or a season with long cloudy day time, and other power supply modes are needed at the moment, so that how to save energy more efficiently and fully utilize clean energy is an innovation basis of the application.
Therefore, the above problems affect the operation of the refrigerator, and at present, a similar technical scheme to the present utility model has not been found.
Disclosure of Invention
The utility model aims to solve the problems and provides a refrigeration house based on photovoltaic and geothermal energy sources, which ensures the quality of chilled fresh foods by adopting a mode of combining photovoltaic and geothermal energy.
In order to solve the problems, the utility model adopts the following technical scheme:
the utility model provides a freezer based on photovoltaic and geothermal energy, includes refrigerating unit, installs calandria in the freezer and the liquid reserve tank that links to each other with the calandria, the liquid reserve tank includes first liquid reserve tank and second liquid reserve tank, first liquid reserve tank and second liquid reserve tank all link to each other with the calandria through circulation pipeline, first liquid reserve tank links to each other through refrigeration circulation pipeline with refrigerating unit, and first liquid reserve tank still links to each other with ground source heat pump through geothermal circulation pipeline, and refrigerating unit is connected with the electricity of photovoltaic power supply mechanism.
Further, the second liquid storage tank is connected with the waste heat recovery end of the refrigerating unit through a waste heat recovery pipeline, the photovoltaic power supply mechanism comprises a photovoltaic plate and an inversion controller which are connected in series, and the power supply end of the refrigerating unit is connected with the inversion controller through an electric connection circuit.
Further, a first temperature sensor and a second temperature sensor are respectively arranged in the first liquid storage tank and the second liquid storage tank, and a geothermal temperature sensor, a geothermal plate heat exchanger, a geothermal circulating pump, a geothermal liquid supply stop valve and a geothermal liquid return stop valve are connected in series in a geothermal circulating pipeline.
Further, a refrigeration plate heat exchanger, a refrigeration circulating pump, a refrigeration liquid supply stop valve and a refrigeration liquid return stop valve are connected in series in the refrigeration circulating pipeline.
Further, the waste heat recovery pipeline is connected with a waste heat plate heat exchanger and a waste heat circulating pump in series.
Further, a first liquid supply stop valve, a first liquid return stop valve and a first circulating pump are connected in series in a circulating pipeline between the calandria and the first liquid storage tank, and a second liquid supply stop valve, a second liquid return stop valve and a second circulating pump are connected in series in a circulating pipeline between the calandria and the second liquid storage tank.
Further, a storage temperature sensor is arranged in the refrigeration house, the photovoltaic panel is also connected with an electric storage loop, and a storage battery and an inverter power supply are sequentially connected in series in the electric storage loop.
Compared with the prior art, the utility model adopts the technical proposal and has the following advantages:
(1) This application adopts the form of two clean energy to combine solar energy and geothermal energy, realizes the mutual gain of two clean energy, uses solar energy to supply power to refrigerating unit when solar energy is abundant, is cooled down to first liquid reserve tank interior solution by refrigerating unit, circulates to calandria adjustment storehouse temperature, and accessible geothermal energy source adjusts the temperature to first liquid reserve tank interior solution when solar energy can't use, and then adjusts the temperature in the freezer.
(2) The application adopts two liquid storage tanks, and wherein, first liquid storage tank interior solution cooling is through refrigerating unit and two kinds of forms of ground source heat pump, and first liquid storage tank interior solution intensification then is through ground source heat pump's ground heat source, and the second liquid storage tank is through retrieving waste heat intensification, makes the storehouse temperature rise when second liquid storage tank and calandria circulate for the freezer is risen and demand such as defrosting.
Drawings
FIG. 1 is a schematic diagram of the piping connection of the present utility model;
FIG. 2 is a schematic view of the structure of the photovoltaic wiring connection of the present utility model;
in the drawing the view of the figure,
the system comprises a 1-calandria, a 2-first liquid storage tank, a 3-second liquid storage tank, a 4-photovoltaic panel, a 5-inversion controller, a 6-first temperature sensor, a 7-second temperature sensor, an 8-geothermal temperature sensor, a 9-geothermal plate heat exchanger, a 10-geothermal circulating pump, an 11-geothermal liquid supply stop valve, a 12-geothermal liquid return stop valve, a 13-refrigerating plate heat exchanger, a 14-refrigerating circulating pump, a 15-refrigerating liquid supply stop valve, a 16-refrigerating liquid return stop valve, a 17-waste heat plate heat exchanger, a 18-waste heat circulating pump, a 19-first liquid supply stop valve, a 20-first liquid return stop valve, a 21-second liquid supply stop valve, a 22-second liquid return stop valve, a 23-storage temperature sensor, a 24-storage battery, a 25-inversion power supply, a 26-ground source heat pump, a 27-refrigerating unit, a 28-first circulating pump and a 29-second circulating pump.
Detailed Description
1-2, a freezer based on photovoltaic and geothermal energy includes a refrigerating unit 27, a calandria 1 installed in the freezer and a liquid storage tank connected with the calandria 1, the refrigerating unit 27 includes a compressor and a condenser, the refrigerating unit 27 adopts a structural style in the existing design for regulating and controlling the temperature of liquid in the liquid storage tank, the calandria 1 is arranged in a temperature regulating space, that is, in the freezer, cooling the articles in the freezer, achieving the preservation or freezing preservation temperature requirement, the refrigerating unit 27, the liquid storage tank and the calandria 1 are sequentially connected, and the liquid in the liquid storage tank is circulated into the calandria 1 after being regulated by the refrigerating unit.
The liquid storage tank comprises a first liquid storage tank 2 and a second liquid storage tank 3, the two liquid storage tanks are respectively two independent cavities, the first liquid storage tank 2 and the second liquid storage tank 3 are connected with a calandria 1 through a circulation pipeline, the circulation pipeline comprises a water inlet pipe and a water return pipe, circulation of liquid in the calandria 1 and the liquid storage tank is achieved, the first liquid storage tank 2 is connected with a refrigerating unit 27 through a refrigeration circulation pipeline, the refrigerating unit 27 cools the liquid in the first liquid storage tank 2, the first liquid storage tank 2 is further connected with a ground source heat pump 26 through a geothermal circulation pipeline, the ground source heat pump 26 is connected with a geothermal circulation pipeline buried on the ground surface, the temperature of the liquid in the geothermal circulation pipeline is adjusted through the ground temperature, the refrigerating unit 27 is electrically connected with a photovoltaic power supply mechanism, and the photovoltaic power supply mechanism provides power required by the refrigerating unit 27.
The second liquid storage tank 3 is connected with the waste heat recovery end of the refrigerating unit through a waste heat recovery pipeline, the waste heat recovery pipeline flows through the inner cavity of the second liquid storage tank 3 to exchange heat and then extends to the outer side of the second liquid storage tank 3, is connected with a waste gas and waste liquid treatment device, is discharged after being treated, and the refrigerating circulation pipeline and the geothermal circulation pipeline both comprise a water supply pipe and a water return pipe, and also form a circulation loop to realize the circulation of liquid between the two communicated parts.
The photovoltaic power supply mechanism comprises a photovoltaic panel 4 and an inverter controller 5 which are connected in series, the power supply end of the refrigerating unit is connected with the inverter controller 5 through an electric connection circuit, the photovoltaic panel 4 is also connected with an electric storage loop, a storage battery 24 and an inverter power supply 25 are sequentially connected in series in the electric storage loop, the storage battery 24 is electrically connected with the refrigerating unit 27 through a connecting wire, and when solar energy cannot be used, power can be supplied through the storage battery 24.
The first liquid storage tank 2 and the second liquid storage tank 3 are respectively provided with a first temperature sensor 6 and a second temperature sensor 7, and a geothermal heat temperature sensor 8, a geothermal plate heat exchanger 9, a geothermal circulating pump 10, a geothermal liquid supply stop valve 11 and a geothermal liquid return stop valve 12 are connected in series in a geothermal circulating pipeline.
The refrigeration cycle pipeline is connected with a refrigeration plate heat exchanger 13, a refrigeration cycle pump 14, a refrigeration liquid supply stop valve 15 and a refrigeration liquid return stop valve 16 in series.
The waste heat recovery pipeline is connected with a waste heat plate heat exchanger 17 and a waste heat circulating pump 18 in series.
The circulating pump, the temperature sensor and the stop valve are all provided with a control module and are connected to a control system, and the operation and disconnection are controlled by a PLC.
When the geothermal temperature is stored and cooled, the temperatures of the geothermal temperature sensor 8 and the first temperature sensor 6 are detected and compared, and when the temperature of the geothermal temperature sensor 8 is smaller than the temperature of the first temperature sensor 6, the geothermal circulating pump 10 operates until the temperature of the geothermal temperature sensor 8 is equal to the temperature of the first temperature sensor 6, and the geothermal liquid supply stop valve 11 and the geothermal liquid return stop valve 12 are opened to block the loop.
When the geothermal heat is stored, the temperatures of the geothermal temperature sensor 8 and the first temperature sensor 6 are detected and compared, when the geothermal temperature sensor 8 is higher than the first temperature sensor 6, the geothermal circulating pump 10 is operated until the temperature of the geothermal temperature sensor 8 is equal to the temperature of the first temperature sensor 6, the geothermal liquid supply stop valve 11 and the geothermal liquid return stop valve 12 are opened to block the loop, and when the temperature of the geothermal temperature sensor 8 is lower than the temperature of the first temperature sensor 6, the geothermal circulating pump 10 is not operated.
When the light energy stores cold, the photovoltaic panel 4 generates electricity, the inversion controller 5 drives the refrigerating unit 27 to operate, and the solution in the first liquid storage tank 2 enters the refrigerating unit 27 through the refrigerating plate type heat exchanger 13 and the refrigerating circulating pump 14 to exchange heat and cool until the first temperature sensor 6 reaches the specified temperature, and the refrigerating liquid supply stop valve 15 and the refrigerating liquid return stop valve 16 are opened.
When the waste heat is stored, the waste heat circulating pump 18 is started, and heat emitted by the operation of the refrigerating unit 27 enters the second liquid storage tank 13 through the waste heat plate type heat exchanger 17 to exchange heat until the second temperature sensor 7 reaches the designated temperature, and the waste heat circulating pump 18 is stopped.
A first liquid supply stop valve 19, a first liquid return stop valve 20 and a first circulating pump 28 are connected in series in a circulating pipeline between the calandria 1 and the first liquid storage tank 2, and a second liquid supply stop valve 21, a second liquid return stop valve 22 and a second circulating pump 29 are connected in series in a circulating pipeline between the calandria 1 and the second liquid storage tank 3.
A temperature sensor 23 is installed in the refrigerator.
The first circulating pump 28 operates, the low-temperature solution in the first liquid storage tank 2 flows through the calandria 1 and exchanges heat with air in the storage to reduce the storage temperature until the storage temperature sensor 23 reaches the set temperature, and the first liquid supply stop valve 19 and the first liquid return stop valve 20 are opened to block the loop.
The temperature of the warehouse is regulated and controlled, the second circulating pump 29 operates, the high-temperature solution in the second liquid storage tank 2 flows through the calandria 1 and exchanges heat with the air in the warehouse, so that the temperature of the warehouse is increased until the temperature sensor 23 reaches the set temperature, and the second liquid supply stop valve 21 and the second liquid return stop valve 22 are opened to block the loop.
And the second circulating pump 29 operates, the high-temperature solution in the second liquid storage tank 3 circularly flows through the discharge pipe 1, the discharge pipe 1 is defrosted until the set circulation time is reached, and the second liquid supply stop valve 21 and the second liquid return stop valve 22 are opened to block the loop.
It should be appreciated by those skilled in the art that the foregoing detailed description of the utility model is merely exemplary, and is intended to enable those skilled in the art to make a better understanding of the utility model, and is not intended to limit the scope of the utility model, as long as modifications according to the technical scheme of the utility model fall within the scope of the utility model.
Claims (7)
1. The utility model provides a freezer based on photovoltaic and geothermal energy, includes refrigerating unit, installs calandria (1) in the freezer and the liquid reserve tank that links to each other with calandria (1), its characterized in that: the liquid storage tank comprises a first liquid storage tank (2) and a second liquid storage tank (3), the first liquid storage tank (2) and the second liquid storage tank (3) are connected with a calandria (1) through circulating pipelines, the first liquid storage tank (2) is connected with a refrigerating unit (27) through the refrigerating circulating pipelines, the first liquid storage tank (2) is further connected with a ground source heat pump through a geothermal circulating pipeline, and the refrigerating unit (27) is electrically connected with a photovoltaic power supply mechanism.
2. A freezer based on photovoltaic and geothermal energy as claimed in claim 1, characterized in that: the second liquid storage tank (3) is connected with the waste heat recovery end of the refrigerating unit through a waste heat recovery pipeline, the photovoltaic power supply mechanism comprises a photovoltaic plate (4) and an inversion controller (5) which are connected in series, and the power supply end of the refrigerating unit is connected with the inversion controller through an electric connection circuit.
3. A freezer based on photovoltaic and geothermal energy as claimed in claim 1, characterized in that: the geothermal heat energy recycling system is characterized in that a first temperature sensor (6) and a second temperature sensor (7) are respectively arranged in the first liquid storage tank (2) and the second liquid storage tank (3), and a geothermal heat temperature sensor (8), a geothermal plate heat exchanger (9), a geothermal circulating pump (10), a geothermal liquid supply stop valve (11) and a geothermal liquid return stop valve (12) are connected in series in a geothermal circulating pipeline.
4. A freezer based on photovoltaic and geothermal energy as claimed in claim 1, characterized in that: the refrigeration cycle pipeline is connected with a refrigeration plate heat exchanger (13), a refrigeration cycle pump (14), a refrigeration liquid supply stop valve (15) and a refrigeration liquid return stop valve (16) in series.
5. A freezer based on photovoltaic and geothermal energy as claimed in claim 2, characterized in that: the waste heat recovery pipeline is connected with a waste heat plate heat exchanger (17) and a waste heat circulating pump (18) in series.
6. A freezer based on photovoltaic and geothermal energy as claimed in claim 1, characterized in that: the circulating pipeline between the calandria (1) and the first liquid storage tank (2) is connected with a first liquid supply stop valve (19), a first liquid return stop valve (20) and a first circulating pump (28) in series, and the circulating pipeline between the calandria (1) and the second liquid storage tank (3) is connected with a second liquid supply stop valve (21), a second liquid return stop valve (22) and a second circulating pump (29) in series.
7. A freezer based on photovoltaic and geothermal energy as claimed in claim 2, characterized in that: the refrigerator is internally provided with a refrigerator temperature sensor (23), the photovoltaic panel (4) is also connected with an electric storage loop, and a storage battery (24) and an inverter power supply (25) are sequentially connected in series in the electric storage loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322112736.5U CN220507373U (en) | 2023-08-08 | 2023-08-08 | Freezer based on photovoltaic and geothermal energy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322112736.5U CN220507373U (en) | 2023-08-08 | 2023-08-08 | Freezer based on photovoltaic and geothermal energy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220507373U true CN220507373U (en) | 2024-02-20 |
Family
ID=89867062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322112736.5U Active CN220507373U (en) | 2023-08-08 | 2023-08-08 | Freezer based on photovoltaic and geothermal energy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220507373U (en) |
-
2023
- 2023-08-08 CN CN202322112736.5U patent/CN220507373U/en active Active
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