CN211739389U - Energy-saving cold supply system for natural cooling cold accumulation - Google Patents
Energy-saving cold supply system for natural cooling cold accumulation Download PDFInfo
- Publication number
- CN211739389U CN211739389U CN202020360944.0U CN202020360944U CN211739389U CN 211739389 U CN211739389 U CN 211739389U CN 202020360944 U CN202020360944 U CN 202020360944U CN 211739389 U CN211739389 U CN 211739389U
- Authority
- CN
- China
- Prior art keywords
- cold
- heat exchanger
- storage
- plate heat
- outlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
Abstract
The utility model relates to an energy-conserving cold supply system of natural cooling cold-storage, the system includes cold storage device, plate heat exchanger, the cold release water pump, sensor module and controller, cold storage device is including cold storage jar, the cold-storage material, the cold-storage heat exchanger, electric fan and cooling duct, cold-storage material is located in the cold storage jar, the cold-storage heat exchanger is located in the cold storage jar and is arranged in the heat-storage material, the air intake in cooling duct is located outdoors, the air outlet and the cold-storage jar intercommunication in cooling duct, electric fan locates outdoors, and electric fan's air outlet and the air intake intercommunication in cooling duct, plate heat exchanger, the cold storage heat exchanger, the cold release water pump constitutes cold side. Compared with the prior art, the utility model discloses an electric fan introduces outdoor cold volume, utilizes natural cooling's cold-storage mode to accomplish cold-storage, cold supply, effectively reduces the energy consumption of cold supply system, and when the cold source of other forms of user broke down, the cold source of this system can regard as reserve cold source emergency use.
Description
Technical Field
The utility model relates to an energy-conserving cooling system especially relates to an energy-conserving cooling system of natural cooling cold-storage.
Background
At present, areas needing heat supply all the year around exist in buildings, such as buildings of large machine rooms and the like, the buildings need cooling all the year around, but most of the buildings still adopt a method of electric refrigeration and free cooling plate replacement to solve the cooling load requirement, so that the problems of high refrigeration energy consumption and the like are caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an energy-saving cold supply system for natural cooling cold accumulation in order to overcome the defects of the prior art.
The purpose of the utility model can be realized through the following technical scheme:
an energy-saving cold supply system for natural cooling cold accumulation, the system comprises a cold accumulation device, a plate heat exchanger, a cold release water pump, a sensor component and a controller, the cold accumulation device comprises a cold accumulation tank, a cold accumulation material, a cold accumulation heat exchanger, an electric fan and a cooling air duct, the cold accumulation material is arranged in the cold accumulation tank, the cold accumulation heat exchanger is arranged in the cold accumulation tank and is positioned in the heat accumulation material, an air inlet of the cooling air duct is arranged outdoors, an air outlet of the cooling air duct is communicated with the cold accumulation tank, the electric fan is arranged outdoors, an air outlet of the electric fan is communicated with the air inlet of the cooling air duct, the plate heat exchanger is provided with a cold side inlet, a cold side outlet, a hot side inlet and a hot side outlet, the cold side outlet of the plate heat exchanger, the inlet of the cold accumulation heat exchanger, the outlet of the cold accumulation heat exchanger, the cold release water pump, the cold side circulation loop circulates refrigerating medium, the hot side outlet of the plate heat exchanger is connected with a cold water supply pipe, the hot side inlet of the plate heat exchanger is connected with a cold water supply return pipe, the components of the sensor assembly are respectively arranged at the hot side outlets of the plate heat exchanger, the cold storage tank and the outdoor cold storage tank, and the cold release water pump, the electric fan and the sensor assembly are respectively connected with the controller.
Preferably, the sensor assembly comprises a first temperature sensor, a second temperature sensor, a third temperature sensor and a liquid level sensor, the first temperature sensor and the liquid level sensor are arranged in the cold accumulation tank, the second temperature sensor is arranged at the outlet of the hot side of the plate heat exchanger, and the third temperature sensor is arranged outdoors.
Preferably, the system further comprises a frequency converter, the cold release water pump is connected with the controller through the frequency converter, and when the system is used, the running power of the cold release water pump is adjusted through the frequency converter, so that the temperature stability of the outlet at the hot side of the plate heat exchanger is ensured.
Preferably, the system comprises an electric valve and a plurality of manual valves, the electric valve is arranged at the hot side outlet of the plate heat exchanger, the manual valves are respectively arranged at the cold side inlet of the plate heat exchanger, the cold side outlet of the plate heat exchanger, the hot side inlet of the plate heat exchanger, the water inlet of the cooling water pump and the water outlet of the cooling water pump, the electric valve is connected with the controller, the manual valves are gate valves,
preferably, the system further comprises a plurality of bimetallic thermometers and a plurality of pressure gauges, the bimetallic thermometers are respectively arranged at a cold side inlet of the plate heat exchanger, a cold side outlet of the plate heat exchanger, a hot side inlet of the plate heat exchanger and a hot side outlet of the plate heat exchanger, and the pressure gauges are respectively arranged at the cold side inlet of the plate heat exchanger, the cold side outlet of the plate heat exchanger, the hot side inlet of the plate heat exchanger, the hot side outlet of the plate heat exchanger, a water inlet of the cold-releasing water pump and a water outlet of the cold-releasing water pump.
Preferably, the cold storage material is water.
Preferably, the refrigerating medium is glycol solution with freezing point lower than the lowest outdoor temperature.
Preferably, the electric blower is a roots blower.
Preferably, the system further comprises two damping soft connectors, wherein one damping soft connector is arranged at a water inlet of the cold release water pump, and the other damping soft connector is arranged at a water outlet of the cold release water pump.
Preferably, the system comprises a check valve, and the check valve is arranged between a water outlet of the cold release water pump and a cold side inlet of the plate heat exchanger.
Preferably, the system further comprises a Y-shaped filter, and the Y-shaped filter is arranged between the water outlet of the cold accumulation heat exchanger and the water inlet of the cold release water pump.
The utility model discloses a when energy-conserving cooling system of natural cooling cold-storage used, cold-storage device's work flow was: when the third temperature sensor detects that the outdoor temperature is lower than the set value, the controller controls the electric fan to be opened, outdoor cold air is introduced into the cold accumulation device, the water temperature in the cold accumulation device is gradually reduced, and when the liquid level sensor detects that the water freezing liquid level reaches the set value, the electric fan stops running. The utility model discloses an energy-conserving cooling system of natural cooling cold-storage when releasing cold, open motorised valve and release cold water pump, the release cold water pump drives the secondary refrigerant at cold side circulation loop inner loop, and the secondary refrigerant is in plate heat exchanger department with cold volume transmission to plate heat exchanger's hot side.
Compared with the prior art, the utility model has the advantages of as follows:
(1) the cold accumulation device of the utility model adopts the electric fan to introduce outdoor cold energy, and completes cold accumulation and cold supply by utilizing a natural cooling cold accumulation mode, thereby effectively reducing the energy consumption of a cold supply system and improving the high efficiency of cold supply;
(2) the cold supply system of the utility model adopts the cold accumulation device as the cold source supply, the cold source has the standby property, when the cold source of other forms of the user breaks down, the cold source of the system can be used as the standby cold source for emergency;
(3) the utility model discloses a in the water cooling icing process in the cold storage tank, cold-storage material volume grow, the liquid level rises gradually, probably causes the extrusion damage to cold storage tank and cold-storage heat exchanger, the utility model discloses a level sensor detects the water level in the cold storage tank, prevents that cold storage tank and cold-storage heat exchanger from being extruded by cold-storage material and damaging;
(4) the utility model discloses a cold-releasing water pump passes through converter connection director, and cold-releasing water pump's power is adjusted through the converter, guarantees the temperature stability of plate heat exchanger hot side export.
Drawings
Fig. 1 is a schematic structural view of the present invention;
the system comprises a plate type heat exchanger 1, a cold release water pump 2, a controller 3, a controller 4, a cold accumulation tank 5, a cold accumulation heat exchanger 6, an electric fan 7, a cooling air duct 8, a first temperature sensor 9, a liquid level sensor 10, a second temperature sensor 11, a third temperature sensor 12, a frequency converter 13, an electric valve 14, a manual valve 15, a bimetallic thermometer 16, a pressure gauge 17, a damping soft connector 18, a check valve 19 and a Y-shaped filter.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. Note that the following description of the embodiments is merely an example of the nature, and the present invention is not intended to limit the application or the use thereof, and the present invention is not limited to the following embodiments.
Examples
The utility model provides an energy-conserving cooling system of natural cooling cold-storage, including cold-storage device, plate heat exchanger 1, the cold release water pump 2, sensor module and controller 3, cold-storage device adopts the mode of natural cooling to carry out the cold-storage, cold-storage device, plate heat exchanger 1, the cooperation of cold release water pump 2 forms the cold release subassembly, carry out the cold release to the cold volume of cold-storage device storage, for the user carries out the cold supply, sensor module and controller 3 cooperation are controlled the operation of system, wherein, sensor module includes first temperature sensor 8, second temperature sensor 10, third temperature sensor 11 and level sensor 9, first temperature sensor 8, second temperature sensor 10, third temperature sensor 11 and level sensor 9 all are connected with controller 3, wherein third temperature sensor 11 locates outdoors.
As shown in fig. 1, the cold storage device includes a cold storage tank 4, a cold storage material, a cold storage heat exchanger 5, an electric fan 6 and a cooling air duct 7, the electric fan 6 is connected with the controller 3, the cold storage material is arranged in the cold storage tank 4, the cold storage heat exchanger 5 is arranged in the cold storage tank 4 and is located in the heat storage material, an air inlet of the cooling air duct 7 is arranged outdoors, an air outlet of the cooling air duct 7 is communicated with the cold storage tank 4, the electric fan 6 is arranged outdoors, and an air outlet of the electric fan 6 is communicated with an air inlet of the cooling air duct 7, in the embodiment, the adopted cold storage material is water, the electric fan 6 is a roots fan, and the cold storage heat exchanger 5. The first temperature sensor 8 is arranged in the cold accumulation tank and used for measuring the temperature of the cold accumulation material in the cold accumulation tank in real time, and the liquid level sensor 9 is arranged in the cold accumulation tank and used for detecting the liquid level height of the cold accumulation material in the cold accumulation tank in real time. Because the freezing in-process of the water cooling in cold storage tank 4, volume grow, liquid level rise gradually, probably cause the extrusion damage to cold storage tank 4 and cold-storage heat exchanger 5, consequently adopt level sensor 9 to detect the water level in cold storage tank 4, prevent that cold storage tank 4 and cold-storage heat exchanger 5 from being extruded by ice and warp.
As shown in fig. 1, a cold side inlet, a cold side outlet, a hot side inlet and a hot side outlet are arranged on a plate heat exchanger 1, the cold side outlet of the plate heat exchanger 1, the inlet of a cold accumulation heat exchanger 5, the outlet of the cold accumulation heat exchanger 5, a cold release water pump 2 and the cold side inlet of the plate heat exchanger 1 are sequentially communicated to form a cold side circulation loop, and a coolant circulates in the cold side circulation loop.
The energy-saving cold supply system further comprises an electric valve 13, a check valve 18, two damping soft connectors 17, a Y-shaped filter 19, a plurality of manual valves 14, a plurality of bimetallic thermometers 15 and a plurality of pressure gauges 16, specifically, in the embodiment, the energy-saving cold supply system comprises 5 manual valves 14, 4 bimetallic thermometers 15 and 6 pressure gauges 16, and the electric valve 13 is arranged at the hot side outlet of the plate heat exchanger 1; the check valve 18 is arranged between the water outlet of the cold release water pump 2 and the cold side inlet of the plate heat exchanger 1; one damping soft connector 17 is arranged at the water inlet of the cold release water pump 2, and the other damping soft connector 17 is arranged at the water outlet of the cold release water pump 2; the Y-shaped filter 19 is arranged between the water outlet of the cold accumulation heat exchanger and the water inlet of the cold release water pump; the manual valves 14 are respectively arranged at a cold side inlet of the plate heat exchanger 1, a cold side outlet of the plate heat exchanger 1, a hot side inlet of the plate heat exchanger 1, a water inlet of the cold release water pump 2 and a water outlet of the cold release water pump 2; the bimetallic thermometers 15 are respectively arranged at a cold side inlet of the plate heat exchanger 1, a cold side outlet of the plate heat exchanger 1, a hot side inlet of the plate heat exchanger 1 and a hot side outlet of the plate heat exchanger 1; the pressure gauges 16 are respectively arranged at a cold side inlet of the plate heat exchanger 1, a cold side outlet of the plate heat exchanger 1, a hot side inlet of the plate heat exchanger 1, a hot side outlet of the plate heat exchanger 1, a water inlet of the cooling water pump 2 and a water outlet of the cooling water pump 2.
In order to ensure the temperature stability of the outlet at the hot side of the plate heat exchanger 1, the energy-saving cold supply system further comprises a frequency converter 12, the cold release water pump 2 is connected with the controller 3 through the frequency converter 12, and the power of the cold release water pump 2 is adjusted through the frequency converter 12.
When the energy-saving cold supply system is put into use, the cold accumulation device carries out cold accumulation, and then the plate heat exchanger 1 releases cold. Specifically, under the cold accumulation working condition, the third temperature sensor 11 detects that the outdoor temperature is lower than a set value, the controller 3 controls the electric fan 6 to be opened, the temperature of the water in the cold accumulation tank 4 is reduced, and the controller 3 controls the electric fan 6 to be closed until the liquid level sensor 9 detects that the liquid level of the cold accumulation material in the cold accumulation tank 4 reaches the set value. Under the working condition of cold release, the controller 3 controls the electric valve 13 to be opened and controls the cold release water pump 2 to operate, the cold release water pump 2 drives the secondary refrigerant to circulate in the cold side circulation loop, the secondary refrigerant transmits cold energy to the hot side of the plate type heat exchanger 1 at the position of the plate type heat exchanger 1 to finish cold release, the second temperature sensor 10 detects the temperature of the outlet of the hot side of the plate type heat exchanger 1 in the cold release process and transmits the temperature to the controller 3, and the controller 3 adjusts the power of the cold release water pump 2 through the frequency converter 12 to ensure that the temperature of the outlet of the hot side is stable.
The above embodiments are merely examples and do not limit the scope of the present invention. These embodiments may be implemented in other various manners, and various omissions, substitutions, and changes may be made without departing from the technical spirit of the present invention.
Claims (10)
1. The utility model provides an energy-conserving cooling system of natural cooling cold-storage, its characterized in that, the system include cold-storage device, plate heat exchanger (1), release cold water pump (2), sensor module and controller (3), the cold-storage device include cold-storage tank (4), cold-storage material, cold-storage heat exchanger (5), electric fan (6) and cooling wind channel (7), cold-storage material locate in cold-storage tank (4), cold-storage heat exchanger (5) locate in cold-storage tank (4) and be located in the heat-storage material, the air intake of cooling wind channel (7) locate outdoors, the air outlet and the cold-storage tank (4) intercommunication of cooling wind channel (7), electric fan (6) locate outdoors, and the air outlet and the air intake intercommunication of cooling wind channel (7) of electric fan (6), plate heat exchanger (1) on be equipped with cold side import, cold side import, The cold side outlet of the plate type heat exchanger (1), the inlet of the cold accumulation heat exchanger (5), the outlet of the cold accumulation heat exchanger (5), the cold side inlet of the cold release water pump (2) and the plate type heat exchanger (1) are sequentially communicated to form a cold side circulation loop, cold carrying refrigerants circulate in the cold side circulation loop, the hot side outlet of the plate type heat exchanger (1) is connected with a cold water supply pipe, the hot side inlet of the plate type heat exchanger (1) is connected with a cold water supply return pipe, the components of the sensor assembly are respectively arranged in the outdoor space, the cold storage tank (4) and the hot side outlet of the plate type heat exchanger (1), and the cold release water pump (2), the electric fan (6) and the sensor assembly are respectively connected with the controller (3).
2. The energy-saving cold supply system for natural cooling cold accumulation according to claim 1, wherein the sensor assembly comprises a first temperature sensor (8), a second temperature sensor (10), a third temperature sensor (11) and a liquid level sensor (9), the first temperature sensor (8) and the liquid level sensor (9) are arranged in the cold accumulation tank (4), the second temperature sensor (10) is arranged at the outlet of the hot side of the plate heat exchanger (1), and the third temperature sensor (11) is arranged outdoors.
3. An energy-saving cold supply system for natural cooling cold accumulation according to claim 1, characterized in that the system further comprises a frequency converter (12), and the cold release water pump (2) is connected with the controller (3) through the frequency converter (12).
4. The energy-saving cold supply system for natural cooling cold accumulation according to claim 1, characterized in that the system comprises an electric valve (13) and a plurality of manual valves (14), the electric valve (13) is arranged at the hot side outlet of the plate heat exchanger (1), the manual valves (14) are respectively arranged at the cold side inlet of the plate heat exchanger (1), the cold side outlet of the plate heat exchanger (1), the hot side inlet of the plate heat exchanger (1), the water inlet of the cold release water pump (2) and the water outlet of the cold release water pump (2), and the electric valve (13) is connected with the controller (3).
5. The energy-saving cold supply system for natural cooling and cold accumulation according to claim 1, characterized in that the system further comprises a plurality of bimetallic thermometers (15) and a plurality of pressure gauges (16), wherein the bimetallic thermometers (15) are respectively arranged at a cold side inlet of the plate heat exchanger (1), a cold side outlet of the plate heat exchanger (1), a hot side inlet of the plate heat exchanger (1) and a hot side outlet of the plate heat exchanger (1), and the pressure gauges (16) are respectively arranged at the cold side inlet of the plate heat exchanger (1), the cold side outlet of the plate heat exchanger (1), the hot side inlet of the plate heat exchanger (1), the hot side outlet of the plate heat exchanger (1), a water inlet of the cold-releasing water pump (2) and a water outlet of the cold-releasing water pump (2).
6. The energy-saving cold supply system for natural cooling cold accumulation according to claim 1, wherein the cold accumulation material is water.
7. The energy-saving cold supply system for natural cooling cold accumulation according to claim 1, wherein the coolant is glycol solution with freezing point lower than the lowest outdoor temperature.
8. The energy-saving cold supply system for natural cooling cold accumulation according to claim 1, characterized in that the electric fan (6) is a roots fan.
9. The energy-saving cold supply system for natural cooling cold accumulation according to claim 1, characterized in that the system further comprises two soft shock-absorbing connectors (17), wherein one soft shock-absorbing connector (17) is arranged at the water inlet of the cold release water pump (2), and the other soft shock-absorbing connector (17) is arranged at the water outlet of the cold release water pump (2).
10. An energy-saving cold supply system for natural cooling cold accumulation according to claim 1, characterized in that, the system comprises a check valve (18), the check valve (18) is arranged between the water outlet of the cold-releasing water pump (2) and the cold side inlet of the plate heat exchanger (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020360944.0U CN211739389U (en) | 2020-03-20 | 2020-03-20 | Energy-saving cold supply system for natural cooling cold accumulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020360944.0U CN211739389U (en) | 2020-03-20 | 2020-03-20 | Energy-saving cold supply system for natural cooling cold accumulation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211739389U true CN211739389U (en) | 2020-10-23 |
Family
ID=72853105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020360944.0U Active CN211739389U (en) | 2020-03-20 | 2020-03-20 | Energy-saving cold supply system for natural cooling cold accumulation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211739389U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112930095A (en) * | 2021-03-10 | 2021-06-08 | 广州高澜创新科技有限公司 | Charging station temperature regulation and control system and regulation and control method |
-
2020
- 2020-03-20 CN CN202020360944.0U patent/CN211739389U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112930095A (en) * | 2021-03-10 | 2021-06-08 | 广州高澜创新科技有限公司 | Charging station temperature regulation and control system and regulation and control method |
| CN112930095B (en) * | 2021-03-10 | 2023-03-14 | 广州高澜创新科技有限公司 | Charging station temperature regulation and control system and regulation and control method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204157201U (en) | A kind of intermediate water loop server cabinet cooling system | |
| CN205383712U (en) | Freezing water saving system of building | |
| CN206250358U (en) | Battery temperature control | |
| CN106765783B (en) | Energy-saving high-precision wine cellar air conditioning system combining water cold accumulation and natural cold source | |
| CN105805825B (en) | A kind of air-conditioning and its control method | |
| CN211739389U (en) | Energy-saving cold supply system for natural cooling cold accumulation | |
| CN107990454B (en) | Energy-saving air conditioning system using natural cold source | |
| CN203671820U (en) | Air source integrated central air conditioner | |
| CN202166170U (en) | Water-cooling heat-exchange circulating device | |
| CN106524590A (en) | Energy storage type air source heat pump cooling and heating unit | |
| CN102135302A (en) | Machine room energy-saving heat radiating system and control method thereof | |
| CN104252187B (en) | A kind of control method of secondary water loops server cabinet cooling system | |
| CN113494743A (en) | Energy-saving cold supply system for natural cooling cold accumulation | |
| CN211476384U (en) | Air-conditioning pipeline system for ensuring year-round refrigeration of water chilling unit | |
| CN211926186U (en) | Air conditioning system | |
| CN201715644U (en) | Energy-saving device for water circulation machine room air conditioner | |
| CN204963054U (en) | Refrigerating system was retrieved to energy winter | |
| CN208817826U (en) | Fully-automatic intelligent energy-saving adjusting type cold supply system | |
| CN209263233U (en) | A kind of factory's energy-saving water cycle heat exchange device | |
| CN203518099U (en) | Outdoor direct anti-freezing cold-taking device used in cold seasons | |
| CN203163134U (en) | Energy-saving water-cooling heat-pump air-conditioning device | |
| CN219776097U (en) | Energy-saving water-cooling refrigerating unit | |
| CN106468465A (en) | Winter energy reclaims refrigeration system and its refrigerating method | |
| CN201531407U (en) | Performance test system of a refrigeration compressor | |
| CN203561011U (en) | Simple heat pipe and heat pump all-in-one machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |