CN217109802U - Compact indirect evaporative cooling unit - Google Patents
Compact indirect evaporative cooling unit Download PDFInfo
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- CN217109802U CN217109802U CN202220784839.9U CN202220784839U CN217109802U CN 217109802 U CN217109802 U CN 217109802U CN 202220784839 U CN202220784839 U CN 202220784839U CN 217109802 U CN217109802 U CN 217109802U
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Abstract
The utility model relates to the technical field of refrigeration equipment, in particular to a compact indirect evaporative cooling unit, an indoor channel and an outdoor channel are both L-shaped, and an air-air heat exchanger arranged at the intersection of the indoor channel and the outdoor channel adopts a cubic heat exchanger, the cubic heat exchanger is provided with a plurality of indoor heat exchange runners communicated with an indoor fan and a plurality of outdoor heat exchange runners communicated with the outdoor fan, the indoor heat exchange runners and the outdoor heat exchange runners are arranged in a staggered manner, so that the compact indirect evaporative cooling unit can effectively exchange heat for indoor air and outdoor air, and has a more compact structure; in addition, the outdoor channel adopts wet film cooling to replace the traditional spray cooling, so that the adverse effect of water scale generated by spraying on the heat exchange of the air-air heat exchanger is avoided.
Description
Technical Field
The utility model relates to a refrigeration plant technical field, concretely relates to indirect evaporative cooling unit of compact.
Background
The existing indirect evaporative cooling unit has the defects that most of the adopted air-air heat exchangers are large in size, the cross sections of the air-air heat exchangers are mostly rhombic when the air-air heat exchangers are installed in a shell, the structural arrangement space in the shell is easily large, and the occupied space cannot be effectively utilized. In addition, most indirect evaporative cooling units are provided with spray cooling systems, and although the spray cooling effect is good, the spray cooling units are 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 indirect evaporative cooling units are also required to be collected by a water receiving disc, so that the indirect evaporative cooling units are 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 an indirect evaporative cooling unit with compact structure.
The purpose of the utility model is realized through the following technical scheme: a compact indirect evaporative cooling unit comprises a shell, an indoor channel arranged in the shell and an outdoor channel arranged in the shell, wherein a hollow-hollow heat exchanger is arranged at the intersection of the indoor channel and the outdoor channel, the indoor channel is provided with an indoor fan and an evaporator, the outdoor channel is provided with an outdoor fan, a wet film and a condenser, the indoor fan, the hollow-hollow heat exchanger and the evaporator are sequentially communicated along the air flowing direction of the indoor channel, and the outdoor fan, the wet film, the hollow-hollow heat exchanger and the condenser are sequentially communicated along the air flowing direction of the outdoor channel; the indoor channel and the outdoor channel are both L-shaped; the air-air heat exchanger comprises a mounting frame and a cubic heat exchange body arranged on the mounting frame, the cubic heat exchange body is provided with a plurality of indoor heat exchange runners communicated with the indoor fan and a plurality of outdoor heat exchange runners communicated with the outdoor fan, and the indoor heat exchange runners and the outdoor heat exchange runners are arranged in a staggered mode.
Preferably, the cubic heat exchange body is an aluminum cubic heat exchange body, a copper cubic heat exchange body or a stainless steel cubic heat exchange body.
Preferably, a heat exchange plate is clamped between the indoor heat exchange flow channel and the outdoor heat exchange flow channel, and the thickness of the heat exchange plate is 0.02-2 mm.
Preferably, the indoor return air inlet of the indoor channel and the outdoor air inlet of the outdoor channel are both located at one end of the shell, the indoor return air inlet of the indoor 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 channel is provided with a grid frame.
Preferably, the indoor passage is further provided with a compressor, and the compressor is located between the air-air heat exchanger and the evaporator.
Preferably, the indoor fan and the outdoor fan are both EC fans; the evaporator is obliquely arranged in the indoor L-shaped channel.
The beneficial effects of the utility model reside in that: the compact indirect evaporative cooling unit of the utility model has the advantages that the indoor channel and the outdoor channel are L-shaped, the air-air heat exchanger arranged at the intersection of the indoor channel and the outdoor channel adopts the cubic heat exchanger, the cubic heat exchanger is provided with a plurality of indoor heat exchange runners communicated with the indoor fan and a plurality of outdoor heat exchange runners communicated with the outdoor fan, and the indoor heat exchange runners and the outdoor heat exchange runners are arranged in a staggered manner, so that the compact indirect evaporative cooling unit can effectively exchange heat for indoor air and outdoor air, and has a more compact structure; in addition, the outdoor channel adopts wet film cooling to replace the traditional spray cooling, so that the adverse effect of water scale generated by spraying on the heat exchange of the air-air heat exchanger is avoided.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic structural view of the air-air heat exchanger of the present invention;
the reference signs are: 1. a housing; 2. an indoor channel; 3. an outdoor channel; 4. an air-to-air heat exchanger; 41. a mounting frame; 42. a cubic heat exchange body; 5. an indoor fan; 6. an evaporator; 7. an outdoor fan; 8. wet film forming; 9. a condenser; 10. an indoor heat exchange runner; 11. an outdoor heat exchange flow channel; 12. a heat exchange plate; 13. a heat conducting pipe; 14. a heat sink; 15. a grid frame; 16. a compressor.
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. 1-2, a compact indirect evaporative cooling unit comprises a housing 1, an indoor channel 2 arranged in the housing 1, and an outdoor channel 3 arranged in the housing 1, wherein a hollow-hollow heat exchanger 4 is arranged at the intersection of the indoor channel 2 and the outdoor channel 3, the indoor channel 2 is provided with an indoor fan 5 and an evaporator 6, the outdoor 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 flow direction of the indoor channel 2, and the outdoor fan 7, the wet film 8, the hollow-hollow heat exchanger 4 and the condenser 9 are sequentially communicated along the air flow direction of the outdoor channel 3; the indoor channel 2 and the outdoor channel 3 are both L-shaped; the air-air heat exchanger 4 comprises an installation frame 41 and a cubic heat exchange body 42 arranged on the installation frame 41, the cubic heat exchange body 42 is provided with a plurality of indoor heat exchange flow channels 10 communicated with the indoor fan 5 and a plurality of outdoor heat exchange flow channels 11 communicated with the outdoor fan 7, and the indoor heat exchange flow channels 10 and the outdoor heat exchange flow channels 11 are arranged in a staggered mode.
According to the compact indirect evaporative cooling unit, the indoor channel 2 and the outdoor channel 3 are both L-shaped, the air-air heat exchanger 4 arranged at the intersection of the indoor channel 2 and the outdoor channel 3 adopts the cubic heat exchange body 42, the cubic heat exchange body 42 is provided with a plurality of indoor heat exchange runners 10 communicated with the indoor fan 5 and a plurality of outdoor heat exchange runners 11 communicated with the outdoor fan 7, and the indoor heat exchange runners 10 and the outdoor heat exchange runners 11 are arranged in a staggered mode, so that the compact indirect evaporative cooling unit can effectively exchange heat for indoor air and outdoor air and is more compact in structure; in addition, the outdoor channel 3 adopts the wet film 8 for cooling to replace the traditional spray cooling, so that the adverse effect of water scale generated by spraying on the heat exchange of the air-air heat exchanger 4 is avoided.
In this embodiment, the cubic heat exchanger 42 is an aluminum cubic heat exchanger 42, a copper cubic heat exchanger 42, or a stainless cubic heat exchanger 42.
By adopting the technical scheme, heat transfer between the indoor heat exchange flow channel 10 and the outdoor heat exchange flow channel 11 is facilitated. Preferably, the cubic heat exchange body 42 is a copper cubic heat exchange body 42, so that the heat transfer effect is better, and indoor air refrigeration is facilitated.
In this embodiment, a heat exchange plate 12 is sandwiched between the indoor heat exchange flow channel 10 and the outdoor heat exchange flow channel 11, and the thickness of the heat exchange plate 12 is 0.02-2 mm.
By adopting the technical scheme, the indoor air flowing through the indoor heat exchange flow channel 10 exchanges heat with the outdoor air flowing through the outdoor heat exchange flow channel 11 through the heat exchange plate 12, so that the indoor heat exchange flow channel 10 is prevented from being communicated with the outdoor heat exchange flow channel 11; in addition, the thickness of the heat exchange plate 12 is controlled to be 0.02-2mm, which is beneficial to indoor air refrigeration; preferably, the thickness of the heat exchange plate 12 is 0.02mm, 0.05mm, 0.08mm, 0.1mm, 0.2mm, 0.5mm, 0.8mm, 1mm, 1.2mm, 1.8 or 2 mm; more preferably, the thickness of the heat exchanger plate 12 is 1 mm.
In this embodiment, the indoor air return opening of the indoor channel 2 and the outdoor air inlet of the outdoor channel 3 are both located at one end of the casing 1, the indoor air return opening of the indoor channel 2 is connected with a heat conduction pipeline 13, and the indoor fan 5 is accommodated in the heat conduction pipeline 13.
By adopting the technical scheme, the indoor air return opening of the indoor channel 2 and the outdoor air inlet of the outdoor 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 13 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 13, the effect of precooling the indoor air is achieved, and the refrigerating effect of the indirect evaporative cooling unit is improved.
In this embodiment, a plurality of cooling fins 14 are distributed on the outer wall of the heat conducting pipe 13 in an array.
By adopting the technical scheme, the plurality of radiating fins 14 are distributed on the outer wall of the heat conducting pipeline 13 in an array manner, so that the heat conducting effect of the heat conducting pipeline 13 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 channel 3 is provided with a grid frame 15.
By adopting the technical scheme, the harmful influence on the ventilation and heat exchange of the outdoor channel 3 caused by the fact that larger impurities enter the outdoor channel 3 along the outdoor air inlet is prevented.
In the present embodiment, the indoor passage 2 is further provided with a compressor 16, and the compressor 16 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 membrane 8 can't satisfy the heat transfer demand, start compressor 16, evaporimeter 6 sets up in indoor passageway 2, cool off indoor return air, condenser 9 sets up in outdoor passageway 3, utilize the refrigerant in 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, both the indoor fan 5 and the outdoor fan 7 are EC fans; the evaporator 6 is obliquely disposed to the indoor passage 2.
By adopting the technical scheme, the EC fan has the advantages of small loss, high efficiency, good speed regulation performance and simple control; the evaporator 6 is obliquely arranged, so that 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.
The above-mentioned embodiment is the utility model discloses the implementation of preferred, in addition, the utility model discloses can also realize by other modes, not deviating from the utility model discloses any obvious replacement is all within the protection scope under the prerequisite of design.
Claims (8)
1. The utility model provides an indirect evaporative cooling unit of compact which characterized in that: the air-air heat exchanger comprises a shell, an indoor channel and an outdoor channel, wherein the indoor channel is arranged in the shell, the outdoor channel is arranged in the shell, an air-air heat exchanger is arranged at the intersection of the indoor channel and the outdoor channel, the indoor channel is provided with an indoor fan and an evaporator, the outdoor 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 channel, and 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 channel; the indoor channel and the outdoor channel are both L-shaped; the air-air heat exchanger comprises a mounting frame and a cubic heat exchange body arranged on the mounting frame, the cubic heat exchange body is provided with a plurality of indoor heat exchange runners communicated with the indoor fan and a plurality of outdoor heat exchange runners communicated with the outdoor fan, and the indoor heat exchange runners and the outdoor heat exchange runners are arranged in a staggered mode.
2. A compact indirect evaporative cooling unit as set forth in claim 1 wherein: the cubic heat exchange body is an aluminum cubic heat exchange body, a copper cubic heat exchange body or a stainless steel cubic heat exchange body.
3. A compact indirect evaporative cooling unit as set forth in claim 2 wherein: and a heat exchange plate is clamped between the indoor heat exchange flow passage and the outdoor heat exchange flow passage, and the thickness of the heat exchange plate is 0.02-2 mm.
4. A compact indirect evaporative cooling unit as set forth in claim 1 wherein: the indoor return air inlet of the indoor channel and the outdoor air inlet of the outdoor channel are both located at one end of the shell, the indoor return air inlet of the indoor channel is connected with a heat conduction pipeline, and the indoor fan is accommodated in the heat conduction pipeline.
5. A compact indirect evaporative cooling unit as set forth in claim 4 wherein: and a plurality of radiating fins are distributed on the outer wall of the heat conduction pipeline in an array manner.
6. A compact indirect evaporative cooling unit as set forth in claim 1 wherein: and the outdoor air inlet of the outdoor channel is provided with a grid frame.
7. A compact indirect evaporative cooling unit as set forth in claim 1 wherein: the indoor channel is also provided with a compressor, and the compressor is positioned between the air-air heat exchanger and the evaporator.
8. A compact indirect evaporative cooling unit as set forth in claim 1 wherein: the indoor fan and the outdoor fan are both EC fans; the evaporator is obliquely arranged in the indoor L-shaped channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220784839.9U CN217109802U (en) | 2022-04-06 | 2022-04-06 | Compact indirect evaporative cooling unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220784839.9U CN217109802U (en) | 2022-04-06 | 2022-04-06 | Compact indirect evaporative cooling unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217109802U true CN217109802U (en) | 2022-08-02 |
Family
ID=82579676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220784839.9U Active CN217109802U (en) | 2022-04-06 | 2022-04-06 | Compact indirect evaporative cooling unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217109802U (en) |
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2022
- 2022-04-06 CN CN202220784839.9U patent/CN217109802U/en active Active
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