CN208967958U - Air-conditioning system using underground across season cold-storage - Google Patents
Air-conditioning system using underground across season cold-storage Download PDFInfo
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- CN208967958U CN208967958U CN201821511415.5U CN201821511415U CN208967958U CN 208967958 U CN208967958 U CN 208967958U CN 201821511415 U CN201821511415 U CN 201821511415U CN 208967958 U CN208967958 U CN 208967958U
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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
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/40—Geothermal heat-pumps
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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]
- Y02B30/54—Free-cooling systems
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Abstract
The utility model provides a kind of air-conditioning system using underground across season cold-storage, including dry and cold device, user side heat exchanger, air-conditioned room and ground heat exchanger, wherein, the dry and cold device includes shell and surface-cooler, the surface-cooler, the user side heat exchanger and the ground heat exchanger are sequentially communicated the access to be formed for medium circulation, and the access is respectively arranged with the first valve and the second valve on the pipeline at the surface-cooler both ends；It is additionally provided with bypass line, the bypass line is connected to the user side heat exchanger and the ground heat exchanger, is provided with third valve on the bypass line；It is provided with air-conditioning equipment in the air-conditioned room, is communicated with refrigerating circuit with the air-conditioning equipment, the user side heat exchanger is passed through in the refrigerating circuit.The cooling capacity in winter can be effectively stored in underground or underground water by the utility model, and summer, interim again take out cooling capacity was freezed for air-conditioned room.
Description
Technical field
The utility model relates in particular to a kind of air-conditioning systems using underground across season cold-storage.
Background technique
Qinling of China North of Huai River is dispersed with vast cold district and severe cold area, the most cold monthly average temperature of cold district
Spend between 0~-10 DEG C and every year mean daily temperature≤5 DEG C for there are 90~145 days.The most cold monthly mean temperature of severe cold area
≤ -10 DEG C and annual at least 145 days of mean daily temperature≤5 DEG C.If it is plains region, also all there is the summers in these areas
The problem of Ji Yanre.If a large amount of cooling capacity in winter store and provide system using the cooling capacity of storage in summer for room
It is cold, a large amount of summer air-conditioning power load will be saved, it is therefore desirable to a kind of air-conditioning system using underground across season cold-storage
The cooling capacity in winter is stored in underground and provides refrigeration in summer for room.
Utility model content
The purpose of this utility model is to provide a kind of air-conditioning systems using underground across season cold-storage.The system can
The cooling capacity in winter is effectively stored in underground, summer, interim again take out cooling capacity was freezed for room.The system does not have to
The high current consuming apparatus such as compressor, it is only necessary to which the simple devices such as blower and water pump can complete cold-storage and cooling supply.
To achieve the goals above, the utility model provides the following technical solutions:
A kind of air-conditioning system using underground across season cold-storage, which is characterized in that exchange heat including dry and cold device, user side
Device, air-conditioned room and ground heat exchanger, wherein the dry and cold device includes shell and surface-cooler, the surface-cooler
Be arranged in the shell, in outdoor environment the air of low temperature can by the surface-cooler and with the surface-cooler
Carry out heat exchange；The ground heat exchanger is embedded in the underground, the ground heat exchanger can with it is described
Underground carries out heat exchange, and the surface-cooler, the user side heat exchanger and the ground heat exchanger successively connect
Logical to form the access for being used for medium circulation, the access is respectively arranged with first on the pipeline at the surface-cooler both ends
Valve and the second valve；It is additionally provided with bypass line, the bypass line is connected to the user side heat exchanger and the underground pipe
Heat exchanger, the bypass line are provided with third valve on the bypass line without the surface-cooler；The air-conditioning
It is provided with air-conditioning equipment in room, is communicated with refrigerating circuit with the air-conditioning equipment, the user side is passed through in the refrigerating circuit
Heat exchanger.
Further, in above-mentioned air-conditioning system, the dry and cold device further includes motor and blower, and the motor setting exists
The housing tip opening, the blower are set on the output shaft of the motor, and the motor can drive the blower
Rotation, the air that the rotation of the blower can be improved low temperature in outdoor environment improve institute by the flow velocity of the dry and cold device
State the heat exchange efficiency of surface-cooler.
Further, in above-mentioned air-conditioning system, the medium is ethylene glycol solution.
Further, in above-mentioned air-conditioning system, the concentration of the ethylene glycol solution is 30~50%.
Further, in above-mentioned air-conditioning system, it is provided with the first water pump on the access, is set in the refrigerating circuit
It is equipped with the second water pump.
Further, in above-mentioned air-conditioning system, in winter, emptying in the user side heat exchanger；It is described in summer
Water is full of in user side heat exchanger, the access passes through the user side heat exchanger, and the medium in the access can be with
Water in the user side heat exchanger carries out heat exchange, and the water energy in the user side heat exchanger is enough in the refrigerating circuit
Circulation.
Further, in above-mentioned air-conditioning system, water compensating valve and drain valve are provided on the user side heat exchanger.
Further, in above-mentioned air-conditioning system, the ground heat exchanger is by sand, high-density thermal insulation layer, waterproof
One of film, clay or landscaping material a variety of are covered.
It further, further include the first temperature sensor and second temperature sensor in above-mentioned air-conditioning system, it is described
First temperature sensor is arranged in outdoor environment, and first temperature sensor can monitor the temperature in outdoor environment, institute
It states second temperature sensor to be arranged in the underground, the second temperature sensor can monitor the underground
Temperature when 5 degree lower than the temperature of the underground of the temperature of the outdoor environment or more, opens described first in winter
Valve and second valve.
Further, in above-mentioned air-conditioning system, the ground heat exchanger U-shaped coil pipe structure vertically arranged by multiple groups
Be arranged radially around at, U-shaped coil pipe described in multiple groups by the center of the underground and in the underground with
Round or polygon is connected to after summarizing with the access.
Analysis is including dry and cold it is found that the utility model discloses a kind of air-conditioning system using underground across season cold-storage
Device, user side heat exchanger, air-conditioned room and ground heat exchanger, in winter, the temperature of the temperature of outdoor environment than underground
At low 5 degree or more, medium absorbs the cooling capacity of the air of outdoor environment in dry and cold device and flows into ground under the action of the first water pump
Buried tube heat exchanger, medium carries out heat with underground and exchanges and then realize cold-storage in ground heat exchanger, unrestrained by winter
Long cold-storage makes underground or underground water temperature be reduced to extremely low temperature and even freezes.In summer, medium can absorb ground
The cooling capacity of lower soil or underground water, and heat is carried out with the water in refrigerating circuit by user side heat exchanger and is exchanged, refrigerating circuit
In water provide cooling capacity by air-conditioning equipment for air-conditioned room.
The cooling capacity in winter can be effectively stored in underground or underground water by the utility model, and summer is interim again
Cooling capacity is taken out as air-conditioned room refrigeration.The system does not have to the high current consuming apparatus such as compressor, significantly reduces energy consumption, only needs
Want blower, the first water pump and second water pump etc. that can complete cold-storage and cooling supply.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide a further understanding of the present invention, this is practical
Novel illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.
Wherein:
Fig. 1 is the structural schematic diagram of an embodiment of the present invention.
Fig. 2 is the transverse sectional view of ground heat exchanger.
Description of symbols: 1 dry and cold device；2 user side heat exchangers；3 air-conditioned rooms；4 ground heat exchangers；5 surfaces are cooling
Device；6 shells；7 motors；8 blowers；9 water compensating valves；10 drain valves；11 air-conditioning equipments；12 first water pumps；13 second water pumps；14 first
Valve；15 second valves；16 third valves；20 bypass branch；21 undergrounds；22 water inlets；23 water outlets；24U type coil pipe.
Specific embodiment
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.Each example passes through the utility model
The mode of explanation provide rather than limit the utility model.In fact, those skilled in the art will be clear that, this reality is not being departed from
In the case where with novel range or spirit, it can modify in the present invention and modification.For example, being illustrated or described as one
The feature of a part of a embodiment can be used for another embodiment, to generate another embodiment.Thus, it may be desirable to
The utility model includes the such modifications and variations being included into the range of the following claims and their equivalents.
In the description of the present invention, term " longitudinal direction ", " transverse direction ", "upper", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "vertical", "horizontal", "top", "bottom" is to be based on the orientation or positional relationship shown in the drawings,
It is merely for convenience of description the utility model rather than requires the utility model that must be constructed and operated in a specific orientation, therefore
It should not be understood as limiting the present invention.Term used in the utility model " connected ", " connection ", " setting " should be done extensively
Reason and good sense solution may be a detachable connection for example, it may be being fixedly connected；It can be directly connected, middle part can also be passed through
Part is indirectly connected；It can be wired electrical connection, radio connection, be also possible to wireless communication signals connection, for this field
For those of ordinary skill, the concrete meaning of above-mentioned term can be understood as the case may be.
As depicted in figs. 1 and 2, embodiment according to the present utility model provides a kind of utilization across season storage of underground
Cold air-conditioning system, including dry and cold device 1, user side heat exchanger 2, air-conditioned room 3 and ground heat exchanger 4, wherein dry and cold device 1
Including shell 6 and surface-cooler 5, surface-cooler 5 is arranged in shell 6, and the air of low temperature can pass through in outdoor environment
Surface-cooler 5 is simultaneously exchanged with the medium progress heat in surface-cooler 5.Ground heat exchanger 4 is embedded in underground 21
In, ground heat exchanger 4 can carry out heat with underground 21 and exchange, surface-cooler 5, user side heat exchanger 2 and buried
Heat exchange of heat pipe 4 is sequentially communicated the access to be formed for medium circulation, and access is set respectively on the pipeline at 5 both ends of surface-cooler
It is equipped with the first valve 14 and the second valve 15.
The system is additionally provided with bypass branch 20, and bypass branch 20 is connected to user side heat exchanger 2 and ground heat exchanger 4,
Bypass branch 20 is provided with third valve 16 on bypass branch 20 without surface-cooler 5.
It is provided with air-conditioning equipment 11 in air-conditioned room 3, is communicated with refrigerating circuit with air-conditioning equipment 11, refrigerating circuit is by using
Family side heat exchanger 2.
Further, dry and cold device 1 further includes motor 7 and blower 8, and motor 7 is arranged at 6 top end opening of shell, and 8 sets of blower
It is located on the output shaft of motor 7, motor 7 can drive blower 8 to rotate, and the rotation of blower 8 can be improved low temperature in outdoor environment
Air the heat exchange efficiency of surface-cooler 5 is improved by the flow velocity of dry and cold device 1.
Further, the medium in access is ethylene glycol solution, and the concentration of ethylene glycol solution is 30~50%.Ethylene glycol is molten
Its freezing point is -28 DEG C when the concentration of liquid is 30%, and the concentration of ethylene glycol is that 50% its freezing point is -35 DEG C, according to ring outside winter room
The concentration of the temperature adjustment ethylene glycol solution in border, prevents ethylene glycol solution from freezing, influences cold accumulation effects.
Further, the first water pump 12 is provided on access, the first water pump 12 can be improved flow velocity of the medium in access
And then heat exchange efficiency is improved, it is provided with the second water pump 13 in refrigerating circuit, the second water pump 13 can be improved water in refrigerating circuit
Flow velocity so that improve heat exchange efficiency.
Further, in winter, it will be emptied in user side heat exchanger 2, the medium of cooling capacity absorbed in dry and cold device 1 in user
It is exchanged without heat in side heat exchanger 2, medium, which passes through, to be flowed into after user side heat exchanger 2 in ground heat exchanger 4 and by cooling capacity
It passes to underground 21 and then cooling capacity in the natural environment is stored in underground 21.In summer, user side is exchanged heat
Water is full of in device 2, access passes through user side heat exchanger 2, and the medium in access can carry out heat with the water in user side heat exchanger 2
Amount exchanges, and the enough circulations in refrigerating circuit of the water energy in user side heat exchanger 2 are simultaneously provided using air-conditioning equipment 11 for air-conditioned room 3
Cooling capacity.
Further, water compensating valve 9 and drain valve 10 are provided on user side heat exchanger 2, water compensating valve 9 for user side for changing
Hot device 2 supplements water, and drain valve 10 is used to empty in the water in user side heat exchanger 2.
Further, ground heat exchanger 4 is by sand, high-density thermal insulation layer, waterproof membrane, clay or landscaping material
One or more covered.The loss for being stored in cooling capacity in underground 21 can be reduced and then promote cold-storage effect by being arranged such
Fruit.
It further, further include the first temperature sensor and second temperature sensor, the first temperature sensor is arranged in room
In external environment, the first temperature sensor can monitor the temperature in outdoor environment, and second temperature sensor is arranged in underground
In 21, second temperature sensor can monitor the temperature of underground 21, in winter, when the temperature of outdoor environment compares underground
At low 5 degree of 21 temperature or more, opens the first valve 14 and the second valve 15 and start the first water pump 12 and blower 8.
Further, ground heat exchanger 4 is made of the vertically arranged U-shaped coil pipe 24 of multiple groups, and the U-shaped coil pipe 24 of multiple groups is all provided with
It sets in underground 21, the U-shaped coil pipe 24 of multiple groups is arranged radially by the center of underground 21 around and in underground soil
The border of earth 21 is connected to after being summarized with round or polygon with access.
Specifically, ground heat exchanger 4 is provided with water inlet 22 and water outlet 23, and access passes through water inlet 22 respectively and goes out
The mouth of a river 23 is connected to ground heat exchanger 4, is connected with water inlet 22 in one end of the U-shaped coil pipe 24 close to 21 center of underground
Logical, U-shaped coil pipe 24 is radial to be dissipated around, and U-shaped coil pipe 24 is summarized in the border of underground 21 with round or polygon
It is connected to afterwards with water outlet 23.Preferably, U-shaped coil pipe 24 is dissipated around in the form of broken line.
As shown in Fig. 2, the ethylene glycol solution of low temperature enters ground heat exchanger 4 from middle part, after several strokes, in putting
It penetrates shape and flows out ground from periphery, form cold effect in underground.
In winter, the water in user side heat exchanger 2 is emptied to using drain valve 10 and is closed third valve 16, when the first temperature
When degree sensor and second temperature sensor monitor 5 degree lower than the temperature of underground 21 of the temperature of outdoor environment or more, open
The first valve 14, the second valve 15, motor 7 and the first water pump 12 are opened, the drive blower 8 of motor 7 rotates, and the rotation of blower 8 makes
The air of outdoor environment in dry and cold device 1 quickly through surface-cooler 5, medium in surface-cooler 5 with it is cold by surface
But the air of device 5 carries out heat exchange, and the medium for absorbing cooling capacity flows into ground heat exchanger under the action of the first water pump 12
4, medium carries out heat with underground 21 or underground water in ground heat exchanger 4 and exchanges, and then realizes cold-storage, completes heat
The medium of exchange, which flows back to dry and cold device 1, completes circulation.By the cold-storage that winter is very long, reduce underground 21 or underground water temperature
It even freezes to extremely low temperature and realizes ice-reserving.
In summer, closes the first valve 14 and the second valve 15 and filled into using water compensating valve 9 into user side heat exchanger 2
Water opens third valve 16 and the first water pump 12, at this time in ground heat exchanger 4 in access when air-conditioned room 3 needs to freeze
Medium after absorbing cooling capacity does not enter dry and cold device 1, but is directly entered user side ground heat exchanger 4 by bypass branch 20,
After medium absorbs the cooling capacity of underground 21 by ground heat exchanger 4, under the action of the first water pump 12, medium can be by ground
The cooling capacity of lower soil 21 passes to the water in refrigerating circuit by user side heat exchanger 2, and the water in refrigerating circuit is set by air-conditioning
Standby 11 provide cooling capacity for air-conditioned room 3, and medium is completed to lead to after heat exchanges with the water in refrigerating circuit in user side heat exchanger 2
It crosses access and flows back to the completion circulation of ground heat exchanger 4.
It can be seen from the above description that the above embodiments of the utility model achieve the following technical effects:
A kind of air-conditioning system using underground 21 across season cold-storage, including dry and cold device 1, user side heat exchanger 2, air-conditioning
Room 3 and ground heat exchanger 4, in winter, at 5 degree lower than the temperature of underground 21 of the temperature of outdoor environment or more, medium
The cooling capacity of the air of outdoor environment is absorbed in dry and cold device 1 and ground heat exchanger 4 is flowed under the action of the first water pump 12,
Medium exchanges with the progress heat of underground 21 and then realizes that cold-storage makes by the cold-storage that winter is very long in ground heat exchanger 4
Underground 21 or underground water temperature are reduced to extremely low temperature and even freeze.In summer, medium can absorb underground 21
Or the cooling capacity of underground water, and heat is carried out with the water in refrigerating circuit by user side heat exchanger 2 and is exchanged, the water in refrigerating circuit
It is that air-conditioned room 3 provides cooling capacity by air-conditioning equipment 11.
The cooling capacity in winter effectively can be stored in underground 21 or underground water by the utility model, and summer is interim again
Cooling capacity is taken out and is freezed for air-conditioned room 3.The system does not have to the high current consuming apparatus such as compressor, significantly reduces energy consumption, only
Need blower 8, the first water pump 12 and second water pump 13 etc. that can complete cold-storage and cooling supply.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, for this field
Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model,
Any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of air-conditioning system using underground across season cold-storage, which is characterized in that exchange heat including dry and cold device, user side
Device, air-conditioned room and ground heat exchanger, wherein
The dry and cold device includes shell and surface-cooler, and the surface-cooler is arranged in the shell, in outdoor environment
The air of low temperature can be exchanged by the surface-cooler and with surface-cooler progress heat；
The ground heat exchanger is embedded in the underground, the ground heat exchanger can with the underground into
The exchange of row heat, the surface-cooler, the user side heat exchanger and the ground heat exchanger are sequentially communicated to be formed and be used for
The access of medium circulation, the access are respectively arranged with the first valve and second on the pipeline at the surface-cooler both ends
Valve；
It is additionally provided with bypass line, the bypass line is connected to the user side heat exchanger and the ground heat exchanger, described
Bypass line is provided with third valve on the bypass line without the surface-cooler；
It is provided with air-conditioning equipment in the air-conditioned room, is communicated with refrigerating circuit, the refrigerating circuit warp with the air-conditioning equipment
Cross the user side heat exchanger.
2. air-conditioning system according to claim 1, which is characterized in that the dry and cold device further includes motor and blower, described
Motor is arranged in the housing tip opening, and the blower is set on the output shaft of the motor, and the motor can drive
The blower rotation is moved, the air that the rotation of the blower can be improved low temperature in outdoor environment passes through the flow velocity of the dry and cold device
And then improve the heat exchange efficiency of the surface-cooler.
3. air-conditioning system according to claim 1, which is characterized in that the medium is ethylene glycol solution.
4. air-conditioning system according to claim 3, which is characterized in that the concentration of the ethylene glycol solution is 30~50%.
5. air-conditioning system according to claim 1, which is characterized in that be provided with the first water pump, the system on the access
The second water pump is provided on cold loop.
6. air-conditioning system according to claim 1, which is characterized in that
In winter, emptying in the user side heat exchanger；
In summer, it is full of water in the user side heat exchanger, the access passes through the user side heat exchanger, in the access
The medium can carry out heat with the water in the user side heat exchanger and exchange, and the water energy in the user side heat exchanger enough exists
It is recycled in the refrigerating circuit.
7. air-conditioning system according to claim 1, which is characterized in that be provided on the user side heat exchanger water compensating valve and
Drain valve.
8. air-conditioning system according to claim 1, which is characterized in that the ground heat exchanger by sand, high density every
One of thermosphere, waterproof membrane, clay or landscaping material a variety of are covered.
9. air-conditioning system according to claim 1, which is characterized in that further include that the first temperature sensor and second temperature pass
Sensor, first temperature sensor are arranged in outdoor environment, and first temperature sensor can monitor in outdoor environment
Temperature, the second temperature sensor is arranged in the underground, and the second temperature sensor can monitor described
The temperature of underground when 5 degree lower than the temperature of the underground of the temperature of the outdoor environment or more, is opened in winter
Open first valve and second valve.
10. air-conditioning system according to claim 1, which is characterized in that the ground heat exchanger is vertically arranged by multiple groups
U-shaped coil pipe constitute, U-shaped coil pipe described in multiple groups is arranged radially and by the center of the underground describedly around
It is connected to after being summarized in lower soil with round or polygon with the access.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821511415.5U CN208967958U (en) | 2018-09-14 | 2018-09-14 | Air-conditioning system using underground across season cold-storage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821511415.5U CN208967958U (en) | 2018-09-14 | 2018-09-14 | Air-conditioning system using underground across season cold-storage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208967958U true CN208967958U (en) | 2019-06-11 |
Family
ID=66755024
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821511415.5U Active CN208967958U (en) | 2018-09-14 | 2018-09-14 | Air-conditioning system using underground across season cold-storage |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110822598A (en) * | 2019-11-21 | 2020-02-21 | 东北大学 | Refrigerating system and refrigerating method based on cross-season cold accumulation |
| CN110822599A (en) * | 2019-11-21 | 2020-02-21 | 东北大学 | Refrigeration system and refrigeration method for season-shift utilization of natural cold source |
| CN110986399A (en) * | 2019-12-13 | 2020-04-10 | 安徽建筑大学 | Multimode-driven underground energy storage system and method for regulating and controlling liquid filling amount of system |
| CN112212429A (en) * | 2020-09-24 | 2021-01-12 | 西安工程大学 | Low-energy-consumption air conditioner cooling system based on evaporative cooling and seasonal cold storage |
| CN114271110A (en) * | 2021-12-23 | 2022-04-05 | 西安交通大学 | Utilize circulation after cooling system in granary of natural cold source |
-
2018
- 2018-09-14 CN CN201821511415.5U patent/CN208967958U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110822598A (en) * | 2019-11-21 | 2020-02-21 | 东北大学 | Refrigerating system and refrigerating method based on cross-season cold accumulation |
| CN110822599A (en) * | 2019-11-21 | 2020-02-21 | 东北大学 | Refrigeration system and refrigeration method for season-shift utilization of natural cold source |
| CN110822599B (en) * | 2019-11-21 | 2021-05-04 | 东北大学 | Refrigeration system and refrigeration method for season-shift utilization of natural cold source |
| CN110986399A (en) * | 2019-12-13 | 2020-04-10 | 安徽建筑大学 | Multimode-driven underground energy storage system and method for regulating and controlling liquid filling amount of system |
| CN110986399B (en) * | 2019-12-13 | 2023-12-19 | 安徽建筑大学 | Multimode-driven underground energy storage system and system liquid filling amount regulation and control method |
| CN112212429A (en) * | 2020-09-24 | 2021-01-12 | 西安工程大学 | Low-energy-consumption air conditioner cooling system based on evaporative cooling and seasonal cold storage |
| CN114271110A (en) * | 2021-12-23 | 2022-04-05 | 西安交通大学 | Utilize circulation after cooling system in granary of natural cold source |
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