CN111765575A - Energy storage type air cooling device - Google Patents
Energy storage type air cooling device Download PDFInfo
- Publication number
- CN111765575A CN111765575A CN202010749578.2A CN202010749578A CN111765575A CN 111765575 A CN111765575 A CN 111765575A CN 202010749578 A CN202010749578 A CN 202010749578A CN 111765575 A CN111765575 A CN 111765575A
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- Prior art keywords
- air
- cooling device
- type air
- energy
- energy storage
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- 238000001816 cooling Methods 0.000 title claims abstract description 51
- 238000004146 energy storage Methods 0.000 title claims abstract description 29
- 239000003507 refrigerant Substances 0.000 claims description 27
- 239000002356 single layer Substances 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 6
- 239000010410 layer Substances 0.000 claims description 5
- 230000001502 supplementing effect Effects 0.000 claims description 4
- 238000004378 air conditioning Methods 0.000 abstract description 12
- 238000005057 refrigeration Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 3
- 238000009826 distribution Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 238000005399 mechanical ventilation Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 210000004243 sweat Anatomy 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000003238 somatosensory effect Effects 0.000 description 1
- 239000011232 storage material Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000026676 system process Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/0017—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using cold storage bodies, e.g. ice
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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
- 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
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses an energy storage type air cooling device, and relates to the technical field of air conditioning equipment. The method comprises the following steps: an air delivery system for direct delivery to a desired area; and the cooling energy storage system is used for cooling the air in the air conveying system. The invention provides an effective mode for areas with local cooling requirements, and can provide a relatively comfortable working environment for operators working in a high-temperature environment, thereby improving the working efficiency of the operators. Compared with the traditional refrigeration pipeline system, the energy storage function of the refrigeration pipeline system saves unnecessary energy loss and investment of the pipeline system. The equipment system is simple and compact, can be placed in various demand areas, and meets the use requirements of different areas.
Description
Technical Field
The invention relates to the technical field of air conditioning equipment, in particular to an energy storage type air cooling device.
Background
Indoor and semi-indoor spaces of a large number of large-scale plants and the like are not provided with a comprehensive summer air conditioning cooling system or are only provided with a mechanical ventilation system to meet the cooling requirement in summer. However, the mechanical ventilation system can only send outdoor temperature air into the room, and the outdoor temperature is close to 40 ℃ under the most unfavorable working condition in summer, so that the purpose of effective cooling cannot be achieved. Generally, in large space places such as large-scale factory buildings, the personnel density is low, factors such as energy conservation are considered, besides a small number of industrial factory buildings with high requirements on temperature and humidity, a comprehensive air conditioning system is arranged, most factory buildings are not provided with air conditioning measures, and effective local cooling measures are adopted along with the improvement of refined production requirements, so that the important significance is achieved for saving energy and providing a relatively comfortable working environment for operating personnel who insist on a working post under the condition of high temperature and high humidity in summer. Most of the existing air conditioning systems are comprehensive air conditioning systems, the tail ends of the existing air conditioning systems are all instant refrigerating devices, the existing air conditioning systems do not have cold storage capacity, and when the circulation of refrigerating liquid stops, the refrigerating capacity is lost at the same time. The existing comprehensive refrigerating system has complex pipelines and large investment, and can not meet the cooling requirement of local fixed-point cooling places. And at present, most of local cooling systems on the market are civil devices, the refrigerating capacity is small, air and a coolant are adopted for direct heat exchange, the air cooling duration is short, the time for acquiring the refrigerating capacity again after the refrigerating capacity is released is long, and the industrialized local refrigerating requirement cannot be met.
In summary, the problems of the prior art are as follows:
(1) most of the tail ends of the existing air conditioning systems are instant refrigerating devices, and the existing air conditioning systems do not have cold storage capacity, and when the circulation of refrigerating liquid stops, the refrigerating capacity is lost at the same time.
(2) The existing refrigeration system has complex pipelines and large investment, and is not suitable for local fixed-point cooling places.
(3) The existing civil cold accumulation and temperature reduction device has small cold accumulation amount, short release time and long cold amount recovery time.
The difficulty in solving the technical problems is as follows: reasonable heat exchange working media are arranged and circulate between the cold storage agent and air, so that the uniform and controllable release of cold energy is ensured; the volume of the system is controlled while the effective refrigerating capacity is obtained, and the convenience of use is ensured; the system can obtain cold energy from outside or outside more easily, and the time for obtaining cold energy is shortened
The significance of solving the technical problems is as follows: the method provides a more comfortable working environment for workers who are on the production line in high-temperature and high-humidity weather, is favorable for improving the labor efficiency of the workers and reducing working errors; only local rather than whole cooling is adopted, so that energy consumption in summer is greatly saved, and investment cost of a refrigerating system is saved.
Disclosure of Invention
In order to overcome the problems in the related art, the disclosed embodiment of the present invention provides an energy storage type air cooling device, comprising:
an air delivery system for direct delivery to a desired area; and the number of the first and second groups,
and the cooling energy storage system is used for cooling the air in the air conveying system.
In one embodiment, the air conveying system comprises an upper shell, a single-layer shutter air return opening is arranged on the right side of the upper shell, and a primary filter screen is clamped on the single-layer shutter air return opening; the left side of the upper shell corresponding to the single-layer louver air return opening is provided with a double-layer louver air supply opening.
In one embodiment, the upper shell is also internally provided with a variable-frequency axial flow fan, and the rear end of the variable-frequency axial flow fan is provided with a surface cooler.
In one embodiment, the cooling energy storage system comprises a lower shell, a heat exchange pipeline is arranged inside the lower shell, the heat exchange pipeline is provided with an inlet and an outlet, and the initial end and the tail end of the heat exchange pipeline are communicated with the surface type air cooler.
In one embodiment, the heat exchange line is connected to an external refrigerant line through a refrigerant inlet solenoid valve and a refrigerant outlet solenoid valve.
In one embodiment, two ends of the heat exchange pipeline are respectively connected with the surface type air cooler through an internal circulation inlet solenoid valve and an internal circulation outlet solenoid valve.
In one embodiment, a refrigerant circulating pump is arranged between the internal circulation inlet electromagnetic valve and the surface type air cooler, an expansion tank is arranged between the internal circulation outlet electromagnetic valve and the surface type air cooler, and the expansion tank is connected with the liquid supplementing check valve through a pipeline.
In one embodiment, water is filled between the outside of the heat exchange pipeline and the inside of the lower shell.
The technical scheme provided by the embodiment of the invention has the following beneficial effects:
(1) the invention provides an effective mode for areas with local cooling requirements, and can provide a relatively comfortable working environment for operators working in a high-temperature environment, thereby improving the working efficiency of the operators.
(2) Compared with the traditional refrigeration pipeline system, the energy storage function of the refrigeration pipeline system saves unnecessary energy loss and investment of the pipeline system.
(3) The equipment system is simple and compact, can be placed in various demand areas, and meets the use requirements of different areas.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.
FIG. 1 is a schematic structural diagram of an energy storage type air cooling device according to the present invention;
FIG. 2 is a simplified experimental model of an energy storage type air cooling device according to the present invention;
FIG. 3 is a schematic diagram of the temperature field distribution of the area near the operating worker on a horizontal plane 1.5m from the simulated bottom surface of the energy storage type air cooling device of the present invention;
FIG. 4 is a schematic diagram of velocity field distribution in the area near the operating worker on a horizontal plane 1.5m from the simulated bottom surface of the energy storage type air cooling device according to the present invention;
reference numerals:
1. an upper housing; 2. a surface air cooler; 3. a variable frequency axial flow fan; 4. a double-layer louver air supply outlet; 5. a primary filter screen; 6. a single-layer louver air return opening; 7. an expansion tank; 8. a refrigerant inlet solenoid valve; 9. a refrigerant outlet solenoid valve; 10. an internal circulation inlet solenoid valve; 11. an internal circulation outlet solenoid valve; 12. a fluid infusion check valve; 13. a heat exchange line; 14. water; 15. a lower housing; 16. a refrigerant circulating pump; 17. an operator simulator; 18. the air outlet simulates the body.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.
The technical scheme provided by the disclosed embodiment of the invention relates to an energy storage type air cooling device, which comprises a cooling energy storage system and an air conveying system. The cooling energy storage system comprises a lower shell 15, a heat exchange pipeline 13 is arranged in the lower shell, the heat exchange pipeline is provided with an inlet and an outlet, and the starting end and the tail end of the heat exchange pipeline are communicated with the surface type air cooler 2.
The air conveying system comprises an upper shell 1, the upper shell comprises a single-layer shutter air return opening 6, a primary filter screen 5, a variable-frequency axial flow fan 3 and a double-layer shutter air supply opening 4, and the cooling energy storage system processes air in the air conveying system through a surface cooler 2. After being cooled, the air is directly conveyed to a required area through the air conveying system.
The heat exchange line 13 is connected to an external refrigerant line through a refrigerant inlet solenoid valve 8 and a refrigerant outlet solenoid valve 9, and is connected to the surface type air cooler 2 through an internal circulation inlet solenoid valve 10 and an internal circulation outlet solenoid valve 11. A refrigerant circulating pump 16 is arranged between the internal circulation inlet electromagnetic valve 10 and the surface type air cooler 2, an expansion tank 7 is arranged between the internal circulation outlet electromagnetic valve 11 and the surface type air cooler 2, and the expansion tank 7 is connected with a liquid supplementing check valve 12 through a pipeline. Water 14 is filled between the outside of the heat exchange pipeline 13 and the inside of the lower shell 15.
The working principle of the air cooling device with the energy storage function is as follows:
in the energy storage state, the refrigerant inlet electromagnetic valve and the refrigerant outlet electromagnetic valve are opened; the internal circulation inlet electromagnetic valve and the internal circulation outlet electromagnetic valve are closed. The heat of the water in the lower case is absorbed by the circulation of the refrigerant outside, and the water is condensed into ice.
In the working state, the refrigerant inlet electromagnetic valve and the refrigerant outlet electromagnetic valve are closed; the internal circulation inlet solenoid valve and the internal circulation outlet solenoid valve are opened. And the refrigerant circulating pump is started, the refrigerant in the heat exchange pipeline is conveyed to the surface type air cooler through the internal circulation inlet electromagnetic valve and the circulating pump, the refrigerant flows back to the heat exchange pipeline through the internal circulation outlet electromagnetic valve after the heating temperature of the refrigerant is increased, the heat is released to the condensed ice in the lower shell, and the refrigerant is sent to the surface type air cooler again after being cooled.
The expansion tank arranged on the heat exchange pipeline can meet the expansion of the refrigerant caused by temperature change in a working state, and the normal operation of the system is ensured. And a liquid supplementing check valve connected with the expansion tank can supplement refrigerant for the heat exchange pipeline.
When the air cooling system is in a working state, the variable-frequency axial flow fan in the air conveying system is started, high-temperature air is cooled and cooled after passing through the single-layer shutter air return opening, the primary filter screen and the surface type air cooler, and the cooled air is conveyed to an area with a cooling requirement through the adjustable double-layer shutter air supply opening.
The invention solves the problem of energy storage at the tail end of the air conditioning device, and cold energy is stored (released) through the phase change of water (ice). The independent cooling is realized for the places with local fixed-point cooling requirements, and the flexibility of the using places of the cooling equipment is greatly improved.
As shown in fig. 2, a simplified experimental model is established by using a numerical simulation technology and taking the temperature and velocity field distribution conditions near an operating worker as main simulation objects, and the basic characteristics of the model are as follows: the operation workman simulates body (cube) 17, and this device air outlet simulates body (rectangle) 18, horizontal interval 1.5m, and the air outlet air supply parameter is: the wind speed is 1.8m/s, the air supply temperature is 25 ℃, the air outlet 18 is 1.2m away from the ground, and the temperature of the operation worker simulator 17 is set to be constant 36.5 ℃ according to the body temperature of a human body.
Fig. 3 and 4 show the temperature field and velocity field distribution of the area near the operator on a horizontal plane at a height of 1.5m from the simulated bottom surface. As can be seen from the figure, because the air supply temperature of the local air cooling device is proper (25 ℃), and the distance between the local air cooling device and an operator is short (1.5m), when the device works, the temperature field distribution (the temperature is about 30 ℃) suitable for production work is formed in the area near the operator, and the air speed of the area near the operator is 0.9m/s, under the air flowing speed, the evaporation rate of sweat on the body surface of the operator can be effectively improved, and the working comfort of the operator is further improved.
Based on the results obtained by numerical simulation, it can be seen that: the local air cooling device can reduce the temperature of the area around an operator working in a high-temperature environment and obtain the air circulation rate capable of effectively evaporating sweat, so that the somatosensory comfort of the operator is effectively improved, and the working efficiency is improved.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure should be limited only by the attached claims.
Claims (8)
1. An energy storage type air cooling device, characterized in that, this energy storage type air cooling device includes:
an air delivery system for direct delivery to a desired area; and the number of the first and second groups,
and the cooling energy storage system is used for cooling the air in the air conveying system.
2. The energy-storage type air cooling device according to claim 1, wherein the air conveying system comprises an upper shell, a single-layer louver air return opening is arranged at the right side of the upper shell, and a primary filter screen is clamped on the single-layer louver air return opening; the left side of the upper shell corresponding to the single-layer louver air return opening is provided with a double-layer louver air supply opening.
3. The energy-storage type air cooling device according to claim 2, wherein a variable-frequency axial flow fan is further installed inside the upper shell, and a surface cooler is installed at the rear end of the variable-frequency axial flow fan.
4. The energy-storage type air cooling device according to claim 1, wherein the cooling energy storage system comprises a lower shell, a heat exchange pipeline is arranged inside the lower shell, the heat exchange pipeline is provided with an inlet and an outlet, and the initial end and the final end of the heat exchange pipeline are communicated with the surface type air cooler.
5. The energy storing air cooling device according to claim 4, wherein the heat exchange line is connected to an external refrigerant line through a refrigerant inlet solenoid valve and a refrigerant outlet solenoid valve.
6. The energy-storing air cooling device according to claim 4, wherein both ends of the heat exchange pipeline are respectively connected with the surface type air cooler through an internal circulation inlet electromagnetic valve and an internal circulation outlet electromagnetic valve.
7. The energy-storage type air cooling device according to claim 6, wherein a refrigerant circulating pump is arranged between the internal circulation inlet electromagnetic valve and the surface type air cooler, an expansion tank is arranged between the internal circulation outlet electromagnetic valve and the surface type air cooler, and the expansion tank is connected with the liquid supplementing check valve through a pipeline.
8. The energy-storing air cooling device according to claim 4, wherein water is filled between the outside of the heat exchange pipeline and the inside of the lower shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010749578.2A CN111765575A (en) | 2020-07-30 | 2020-07-30 | Energy storage type air cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010749578.2A CN111765575A (en) | 2020-07-30 | 2020-07-30 | Energy storage type air cooling device |
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| Publication Number | Publication Date |
|---|---|
| CN111765575A true CN111765575A (en) | 2020-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010749578.2A Pending CN111765575A (en) | 2020-07-30 | 2020-07-30 | Energy storage type air cooling device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023286756A1 (en) * | 2021-07-13 | 2023-01-19 | ダイキン工業株式会社 | Method for arranging environment adjustment device, device, and system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101504176A (en) * | 2009-03-10 | 2009-08-12 | 北京科技大学 | Air conditioning system used for removable emergency escape capsule for coal mine |
| CN201935312U (en) * | 2010-11-25 | 2011-08-17 | 鸿迎科技有限公司 | Cooling storage chilled-water movable air conditioner |
| CN105222400A (en) * | 2015-10-13 | 2016-01-06 | 北京建筑大学 | A kind of air source heat pump heating and cooling system adopting phase-changing energy-storing |
| CN207299316U (en) * | 2017-07-05 | 2018-05-01 | 苏州恒兆空调节能科技有限公司 | A kind of double evaporators energy storage type mobile air conditioner |
| CN109798619A (en) * | 2019-03-15 | 2019-05-24 | 宁波易米制冷科技有限公司 | A kind of cold accumulative cold fan |
| CN212511598U (en) * | 2020-07-30 | 2021-02-09 | 中国铁路设计集团有限公司 | Energy storage type air cooling device |
-
2020
- 2020-07-30 CN CN202010749578.2A patent/CN111765575A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101504176A (en) * | 2009-03-10 | 2009-08-12 | 北京科技大学 | Air conditioning system used for removable emergency escape capsule for coal mine |
| CN201935312U (en) * | 2010-11-25 | 2011-08-17 | 鸿迎科技有限公司 | Cooling storage chilled-water movable air conditioner |
| CN105222400A (en) * | 2015-10-13 | 2016-01-06 | 北京建筑大学 | A kind of air source heat pump heating and cooling system adopting phase-changing energy-storing |
| CN207299316U (en) * | 2017-07-05 | 2018-05-01 | 苏州恒兆空调节能科技有限公司 | A kind of double evaporators energy storage type mobile air conditioner |
| CN109798619A (en) * | 2019-03-15 | 2019-05-24 | 宁波易米制冷科技有限公司 | A kind of cold accumulative cold fan |
| CN212511598U (en) * | 2020-07-30 | 2021-02-09 | 中国铁路设计集团有限公司 | Energy storage type air cooling device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023286756A1 (en) * | 2021-07-13 | 2023-01-19 | ダイキン工業株式会社 | Method for arranging environment adjustment device, device, and system |
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