CN217235928U - Indirect evaporative cooling unit - Google Patents
Indirect evaporative cooling unit Download PDFInfo
- Publication number
- CN217235928U CN217235928U CN202221052684.6U CN202221052684U CN217235928U CN 217235928 U CN217235928 U CN 217235928U CN 202221052684 U CN202221052684 U CN 202221052684U CN 217235928 U CN217235928 U CN 217235928U
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- indoor
- outdoor
- air
- shaped channel
- cooling unit
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- 238000001816 cooling Methods 0.000 title claims abstract description 46
- 238000009413 insulation Methods 0.000 claims abstract description 11
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 21
- 239000007921 spray Substances 0.000 abstract description 8
- 230000002411 adverse Effects 0.000 abstract description 4
- 238000005057 refrigeration Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000012720 thermal barrier coating Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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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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- Other Air-Conditioning Systems (AREA)
Abstract
The utility model relates to the technical field of refrigeration equipment, concretely relates to indirect evaporative cooling unit, it sets up indoor L type passageway in the casing and supplies indoor circulation of air, sets up outdoor L type passageway and supplies outdoor circulation of air, and the indoor return air inlet of indoor L type passageway and the outdoor air intake of outdoor L type passageway all are located one end of casing, and the indoor supply-air outlet of indoor L type passageway and the outdoor air outlet of outdoor L type passageway are located respectively the both sides of casing, and the crossing department of indoor L type passageway and outdoor L type passageway is provided with empty-empty heat exchanger, adopts wet film humidification cooling to replace traditional spray cooling, avoids the incrustation scale and leads to the fact adverse effect to empty-empty heat exchanger heat transfer, and the structure is compacter, and the space utilization effect is better; the adjacent position of the indoor L-shaped channel and the outdoor L-shaped channel is provided with the heat insulation plate, so that the problem that the cooling effect of the indoor air is reduced due to the fact that the indoor air is subjected to heat transfer of the outdoor air after heat exchange of the air-air heat exchanger is avoided, and the refrigerating effect of the indirect evaporative cooling unit is guaranteed.
Description
Technical Field
The utility model relates to a refrigeration plant technical field, concretely relates to indirect evaporative cooling unit.
Background
The existing indirect evaporative cooling units are mostly provided with a spray cooling system, and although the spray cooling effect is good, the spray cooling unit is easy to scale after being used for a period of time, so that the heat exchange of the air-air heat exchanger is influenced, and the spray cooling unit is also required to be provided with a water receiving disc for collection, so that the spray cooling unit is not beneficial to space utilization.
Disclosure of Invention
In order to overcome the defects and deficiencies in the prior art, the utility model aims to provide a compact indirect evaporative cooling unit.
The purpose of the utility model is realized through the following technical scheme: an indirect evaporative cooling unit comprises a shell, an indoor L-shaped channel arranged in the shell and an outdoor L-shaped channel arranged in the shell, the indoor air return inlet of the indoor L-shaped channel and the outdoor air inlet of the outdoor L-shaped channel are both positioned at one end of the shell, the indoor air supply outlet of the indoor L-shaped channel and the outdoor air outlet of the outdoor L-shaped channel are respectively positioned at two sides of the shell, an air-air heat exchanger is arranged at the intersection of the indoor L-shaped channel and the outdoor L-shaped channel, the indoor L-shaped channel is provided with an indoor fan and an evaporator, the outdoor L-shaped channel is provided with an outdoor fan, a wet film and a condenser, the indoor fan, the air-air heat exchanger and the evaporator are communicated in sequence along the air flowing direction of the indoor L-shaped channel, the outdoor fan, the wet film, the air-air heat exchanger and the condenser are sequentially communicated along the air flowing direction of the outdoor L-shaped channel; and a heat insulation plate is arranged at the adjacent position of the indoor L-shaped channel and the outdoor L-shaped channel.
Preferably, an indoor air return opening of the indoor L-shaped channel is connected with a heat conduction pipeline, and the indoor fan is accommodated in the heat conduction pipeline.
Preferably, a plurality of cooling fins are distributed on the outer wall of the heat conducting pipeline in an array mode.
Preferably, the outdoor air inlet of the outdoor L-shaped channel is provided with a grid frame.
Preferably, the evaporator is obliquely arranged on the indoor L-shaped channel.
Preferably, the indoor L-shaped channel is further provided with a compressor, and the compressor is located between the air-air heat exchanger and the evaporator.
Preferably, the surface of the heat insulation plate is coated with a heat insulation coating.
Preferably, the indoor fan and the outdoor fan are both EC fans.
Preferably, the number of the wet films is 2, and the 2 wet films are distributed at intervals.
The beneficial effects of the utility model reside in that: the utility model discloses an indirect evaporative cooling unit sets up indoor L type passageway in the casing and supplies indoor circulation of air, sets up outdoor L type passageway and supplies outdoor circulation of air, and the indoor return air inlet of indoor L type passageway and the outdoor air intake of outdoor L type passageway all are located one end of casing, and the indoor supply-air outlet of indoor L type passageway and the outdoor air outlet of outdoor L type passageway are located respectively the both sides of casing, and the crossing department of indoor L type passageway and outdoor L type passageway is provided with empty-empty heat exchanger, adopts wet film humidification cooling to replace traditional spray cooling, has avoided the incrustation scale and has caused adverse effect to empty-heat exchanger heat transfer, and the structure is compacter, and the space utilization effect is better; in addition, the adjacent position of the indoor L-shaped channel and the outdoor L-shaped channel is provided with the heat insulation plate, so that the problem that the cooling effect of the indoor air is reduced due to the fact that the indoor air is subjected to heat transfer of the outdoor air after heat exchange of the air-air heat exchanger is avoided, and the refrigerating effect of the indirect evaporative cooling unit is guaranteed.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
the reference signs are: 1. a housing; 2. an indoor L-shaped channel; 3. an outdoor L-shaped channel; 4. an air-to-air heat exchanger; 5. an indoor fan; 6. an evaporator; 7. an outdoor fan; 8. wet film forming; 9. a condenser; 10. a heat insulation plate; 11. a heat conducting pipe; 12. a heat sink; 13. a grid frame; 14. a compressor; 15. and (4) thermal barrier coating.
Detailed Description
In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and accompanying drawings, which are not intended to limit the present invention.
As shown in fig. 1, an indirect evaporative cooling unit comprises a housing 1, an indoor L-shaped channel 2 arranged in the housing 1, and an outdoor L-shaped channel 3 arranged in the housing 1, wherein an indoor return air inlet of the indoor L-shaped channel 2 and an outdoor air inlet of the outdoor L-shaped channel 3 are both located at one end of the housing 1, an indoor air supply outlet of the indoor L-shaped channel 2 and an outdoor air outlet of the outdoor L-shaped channel 3 are respectively located at two sides of the housing 1, a hollow-hollow heat exchanger 4 is arranged at the intersection of the indoor L-shaped channel 2 and the outdoor L-shaped channel 3, the indoor L-shaped channel 2 is provided with an indoor fan 5 and an evaporator 6, the outdoor L-shaped channel 3 is provided with an outdoor fan 7, a wet film 8 and a condenser 9, the indoor fan 5, the hollow-hollow heat exchanger 4 and the evaporator 6 are sequentially communicated along the air flowing direction of the indoor L-shaped channel 2, the outdoor fan 7, the wet film 8, the air-air heat exchanger 4 and the condenser 9 are sequentially communicated along the air flowing direction of the outdoor L-shaped channel 3; and a heat insulation plate 10 is arranged at the adjacent position of the indoor L-shaped channel 2 and the outdoor L-shaped channel 3.
According to the indirect evaporative cooling unit, an indoor L-shaped channel 2 is arranged in a shell 1 and used for indoor air circulation, an outdoor L-shaped channel 3 is arranged and used for outdoor air circulation, an indoor air return port of the indoor L-shaped channel 2 and an outdoor air inlet of the outdoor L-shaped channel 3 are both positioned at one end of the shell 1, an indoor air supply port of the indoor L-shaped channel 2 and an outdoor air outlet of the outdoor L-shaped channel 3 are respectively positioned at two sides of the shell 1, an empty-empty heat exchanger 4 is arranged at the intersection of the indoor L-shaped channel 2 and the outdoor L-shaped channel 3, and a wet film 8 is adopted for humidifying and cooling to replace the traditional spray cooling, so that adverse effects caused by scale on heat exchange of the empty-empty heat exchanger 4 are avoided, the structure is more compact, and the space utilization effect is better; in addition, the heat insulation plate 10 is arranged at the adjacent position of the indoor L-shaped channel 2 and the outdoor L-shaped channel 3, so that the problem that the cooling effect of indoor air is reduced due to the fact that the indoor air is subjected to heat transfer by outdoor air after heat exchange through the air-air heat exchanger 4 is avoided, and the refrigerating effect of the indirect evaporative cooling unit is guaranteed.
In this embodiment, the indoor air return opening of the indoor L-shaped channel 2 is connected with a heat conduction pipeline 11, and the indoor fan 5 is accommodated in the heat conduction pipeline 11.
By adopting the technical scheme, the indoor air return opening of the indoor L-shaped channel 2 and the outdoor air inlet of the outdoor L-shaped channel 3 are both positioned at one end of the shell 1, and because the indoor air temperature of the indoor air return opening is higher than the outdoor air temperature, the heat conduction pipeline 11 is utilized to promote the heat transfer between the indoor air and the outdoor air, the heat of the indoor air is conducted to the outdoor air through the pipe wall of the heat conduction pipeline 11, the effect of pre-cooling the indoor air is achieved, and the refrigeration effect of the indirect evaporative cooling unit is improved.
In this embodiment, a plurality of cooling fins 12 are distributed on the outer wall of the heat conducting pipe 11 in an array.
By adopting the technical scheme, the plurality of radiating fins 12 are distributed on the outer wall of the heat conducting pipeline 11 in an array manner, so that the heat conducting effect of the heat conducting pipeline 11 is promoted, and the refrigerating effect of the indirect evaporative cooling unit is further improved.
In this embodiment, the outdoor air inlet of the outdoor L-shaped channel 3 is provided with a grid frame 13.
By adopting the technical scheme, the adverse effect on the ventilation and heat exchange of the outdoor L-shaped channel 3 caused by the fact that larger impurities enter the outdoor L-shaped channel 3 along the outdoor air inlet is prevented.
In the present embodiment, the evaporator 6 is obliquely disposed in the indoor L-shaped passage 2.
By adopting the technical scheme, the contact area between the indoor air and the evaporator 6 is increased, and the evaporator 6 is more favorable for further cooling the indoor air.
In this embodiment, the indoor L-shaped channel 2 is further provided with a compressor 14, and the compressor 14 is located between the air-air heat exchanger 4 and the evaporator 6.
Adopt above-mentioned technical scheme, when outdoor air temperature is higher such as summer, rely on outdoor air, when wet film 8 can't satisfy the heat transfer demand, start compressor 14, evaporimeter 6 sets up in indoor L type passageway 2, carry out cooling to indoor return air, condenser 9 sets up in outdoor L type passageway 3, utilize the refrigerant in the outdoor air cooling condenser 9, indoor return air passes through evaporimeter 6, the temperature reduces again and becomes the cold wind that satisfies the air supply requirement and sends back indoor, further improve the cooling effect.
In this embodiment, the surface of the heat shield 10 is coated with a thermal barrier coating 15.
By adopting the technical scheme, the problem that the cooling effect of the indoor air is reduced due to the fact that the indoor air is subjected to heat transfer by the outdoor air after the heat exchange of the air-air heat exchanger 4 is further avoided.
In this embodiment, the indoor fan 5 and the outdoor fan 7 are both EC fans.
By adopting the technical scheme, the EC fan has the advantages of small loss, high efficiency, good speed regulation performance and simple control.
In the present embodiment, the number of the wet films 8 is 2, and the 2 wet films 8 are spaced apart from each other.
Adopt above-mentioned technical scheme, adopt 2 wet films 8 to cool off to improve refrigeration effect.
The above-mentioned embodiment does the utility model discloses the implementation scheme of preferred, in addition, the utility model discloses can also realize by other modes, do not deviating from the utility model discloses any obvious replacement is all within the protection scope under the prerequisite of thinking.
Claims (9)
1. An indirect evaporative cooling unit, its characterized in that: comprises a shell, an indoor L-shaped channel arranged in the shell and an outdoor L-shaped channel arranged in the shell, the indoor air return opening of the indoor L-shaped channel and the outdoor air inlet opening of the outdoor L-shaped channel are both positioned at one end of the shell, the indoor air supply outlet of the indoor L-shaped channel and the outdoor air outlet of the outdoor L-shaped channel are respectively positioned at two sides of the shell, an air-air heat exchanger is arranged at the intersection of the indoor L-shaped channel and the outdoor L-shaped channel, the indoor L-shaped channel is provided with an indoor fan and an evaporator, the outdoor L-shaped channel is provided with an outdoor fan, a wet film and a condenser, the indoor fan, the air-air heat exchanger and the evaporator are sequentially communicated along the air flowing direction of the indoor L-shaped channel, the outdoor fan, the wet film, the air-air heat exchanger and the condenser are sequentially communicated along the air flowing direction of the outdoor L-shaped channel; and a heat insulation plate is arranged at the adjacent position of the indoor L-shaped channel and the outdoor L-shaped channel.
2. An indirect evaporative cooling unit as set forth in claim 1, wherein: the indoor return air inlet of the indoor L-shaped channel is connected with a heat conduction pipeline, and the indoor fan is accommodated in the heat conduction pipeline.
3. An indirect evaporative cooling unit as set forth in claim 2, wherein: and a plurality of radiating fins are distributed on the outer wall of the heat conducting pipeline in an array manner.
4. An indirect evaporative cooling unit as set forth in claim 1, wherein: and a grid frame is arranged at an outdoor air inlet of the outdoor L-shaped channel.
5. An indirect evaporative cooling unit as set forth in claim 1, wherein: the evaporator is obliquely arranged in the indoor L-shaped channel.
6. An indirect evaporative cooling unit as set forth in claim 1, wherein: and the indoor L-shaped channel is also provided with a compressor, and the compressor is positioned between the air-air heat exchanger and the evaporator.
7. An indirect evaporative cooling unit as set forth in claim 1, wherein: the surface of the heat insulation plate is coated with a heat insulation coating.
8. An indirect evaporative cooling unit as set forth in claim 1, wherein: and the indoor fan and the outdoor fan are both EC fans.
9. An indirect evaporative cooling unit as set forth in claim 1, wherein: the number of the wet films is 2, and the 2 wet films are distributed at intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221052684.6U CN217235928U (en) | 2022-05-05 | 2022-05-05 | Indirect evaporative cooling unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221052684.6U CN217235928U (en) | 2022-05-05 | 2022-05-05 | Indirect evaporative cooling unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217235928U true CN217235928U (en) | 2022-08-19 |
Family
ID=82820348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221052684.6U Active CN217235928U (en) | 2022-05-05 | 2022-05-05 | Indirect evaporative cooling unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217235928U (en) |
-
2022
- 2022-05-05 CN CN202221052684.6U patent/CN217235928U/en active Active
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