CN217064387U - Indirect evaporative cooling unit - Google Patents
Indirect evaporative cooling unit Download PDFInfo
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- CN217064387U CN217064387U CN202220221170.2U CN202220221170U CN217064387U CN 217064387 U CN217064387 U CN 217064387U CN 202220221170 U CN202220221170 U CN 202220221170U CN 217064387 U CN217064387 U CN 217064387U
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- exchange coil
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- evaporative cooling
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Abstract
The utility model discloses an indirect evaporative cooling unit, which comprises a control device, an indoor side fixing device, an outdoor side fixing device, and a natural cooling mechanism and a compression refrigerating mechanism which are electrically connected with the control device respectively, wherein the natural cooling mechanism comprises an outdoor heat exchange coil and an indoor heat exchange coil which are connected end to end, and the compression refrigerating mechanism comprises a condenser and an evaporator which are connected end to end; the evaporator and the indoor heat exchange coil are arranged in the indoor side fixing device, and the condenser and the outdoor heat exchange coil are arranged in the outdoor side fixing device; the utility model discloses an indirect evaporative cooling unit adopts the mode that natural cooling and compression refrigeration cooling combined, when the temperature of external environment was lower, but make full use of nature cold source reduced the ambient temperature of data computer lab, and the energy utilization rate is improved, reduces the work energy consumption of indirect evaporative cooling unit.
Description
Technical Field
The utility model relates to a cooling unit technical field, in particular to indirect evaporative cooling unit.
Background
Large-scale computer lab or data center computer lab can produce a large amount of heats when the function, and then make the temperature of computer lab rise, consequently need set up cooling arrangement in order to cool down to the computer lab, ensure that the temperature can not be too high in the computer lab to ensure the equipment normal operating in the computer lab.
Research shows that the energy consumption of the air conditioning system accounts for about 70% of the energy consumption of the data center except for the IT equipment, namely the existing air conditioning system for the data center has the problem of high energy consumption.
It is seen that improvements and enhancements to the prior art are needed.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned prior art's weak point, the utility model aims to provide an indirect evaporative cooling unit, it has the advantage that the work energy consumption is low.
In order to achieve the purpose, the utility model adopts the following technical proposal:
an indirect evaporative cooling unit comprises a control device, an indoor side fixing device, an outdoor side fixing device, a natural cooling mechanism and a compression refrigeration mechanism, wherein the natural cooling mechanism and the compression refrigeration mechanism are respectively electrically connected with the control device; the evaporator with indoor heat exchange coil set up in the indoor side fixing device, the condenser with outdoor heat exchange coil set up in the outdoor side fixing device.
The indirect evaporative cooling unit also comprises a first shell and a second shell; an air return opening and an air supply opening are formed in the first shell, and an air supply mechanism electrically connected with the control device is arranged in the first shell; the second shell is provided with an air inlet and an air outlet, and an air exhaust mechanism electrically connected with the control device is arranged in the second shell; the indoor side fixing device is arranged on the air inlet side of the air supply mechanism; the outdoor side fixing device is arranged on the air inlet side of the air exhaust mechanism.
Indirect evaporative cooling unit in, natural cooling mechanism still include automatic exhaust valve and respectively with controlling means electric connection's water pump and ooff valve, outdoor heat exchange coil's output passes through the water pump with indoor heat exchange coil's input is connected, indoor heat exchange coil's output passes through the ooff valve with outdoor heat exchange coil's input is connected.
The indirect evaporative cooling unit is characterized in that the compression refrigeration mechanism further comprises a liquid separation head, a compressor and an electronic expansion valve, wherein the compressor and the electronic expansion valve are electrically connected with the control device respectively, the output end of the evaporator is connected with the input end of the condenser through the compressor, and the output end of the condenser sequentially passes through the electronic expansion valve and the liquid separation head and is connected with the input end of the evaporator.
In the indirect evaporative cooling unit, the indoor fixing device comprises a first fixing frame and a second fixing frame, and a certain included angle is formed between the first fixing frame and the second fixing frame; the evaporator and the indoor heat exchange coil are arranged in the first fixing frame and the second fixing frame.
In the indirect evaporative cooling unit, the outdoor fixing device comprises a third fixing frame and a fourth fixing frame, and a certain included angle is formed between the third fixing frame and the fourth fixing frame; the fixed frame of third with all be provided with in the fixed frame of fourth the condenser and outdoor heat exchange coil.
Indirect evaporative cooling unit in, still be provided with preliminary treatment mechanism in the second casing, preliminary treatment mechanism set up in outdoor side fixing device's air inlet side, preliminary treatment mechanism is used for reducing the air inlet temperature.
In the indirect evaporative cooling unit, the pretreatment mechanism comprises a spraying device, a wet film heat exchanger and a water pan, wherein the spraying device is positioned above the wet film heat exchanger, and the water pan is positioned below the wet film heat exchanger; and the spraying device is electrically connected with the control device and is used for outputting spraying water to the wet film heat exchanger.
Has the advantages that:
the utility model provides an indirect evaporative cooling unit adopts the mode that natural cooling and compression refrigeration cooling combined, when the temperature of external environment is lower, but make full use of nature cold source reduces the ambient temperature of data computer lab, improves energy utilization and rates, reduces the work energy consumption of indirect evaporative cooling unit.
Drawings
Fig. 1 is a side view of the internal structure of a first shell and a second shell provided by the present invention;
fig. 2 is a top view of the internal structure of the first shell and the second shell provided by the present invention;
fig. 3 is a schematic view of a connection structure of the natural cooling mechanism provided by the present invention;
fig. 4 is a schematic view of a connection structure of the compression refrigeration mechanism provided by the present invention.
Description of the main element symbols: 1-a first shell, 11-an air return inlet, 12-an air supply outlet, 2-a second shell, 3-an indoor side fixing device, 31-a first fixing frame, 32-a second fixing frame, 4-an outdoor side fixing device, 41-a third fixing frame, 22-a fourth fixing frame, 51-an indoor heat exchange coil, 52-an outdoor heat exchange coil, 53-an automatic exhaust valve, 54-a water pump, 55-a switch valve, 61-an evaporator, 62-a condenser, 63-a liquid separation head, 64-a compressor, 65-an electronic expansion valve, 7-an air supply mechanism and 8-an exhaust mechanism.
Detailed Description
The utility model provides an indirect evaporative cooling unit, for making the utility model discloses a purpose, technical scheme and effect are clearer, more clear and definite, and it is right to refer to the attached drawing and to lift the embodiment below the utility model discloses do further detailed description.
In the description of the present invention, it should be understood that the terms "upper" and "lower" indicate the orientation or the positional relationship based on the orientation or the positional relationship shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, and should not be construed as limiting the present invention; in addition, the terms "mounted," "connected," and the like are to be construed broadly, and those skilled in the art can understand the specific meaning of the terms in the present invention according to specific situations.
Referring to fig. 1 to 4, the present invention provides an indirect evaporative cooling unit, which includes a control device, an indoor side fixing device 3, an outdoor side fixing device 4, and a natural cooling mechanism and a compression refrigeration mechanism electrically connected to the control device, respectively, wherein the natural cooling mechanism includes an outdoor heat exchange coil 52 and an indoor heat exchange coil 51 connected end to end, and the compression refrigeration mechanism includes a condenser 62 and an evaporator 61 connected end to end; the evaporator 61 and the indoor heat exchange coil 51 are disposed in the indoor fixing device 3, and the condenser 62 and the outdoor heat exchange coil 52 are disposed in the outdoor fixing device 4; the control device is a controller of the existing refrigerating unit.
The indirect evaporative cooling unit disclosed by the application adopts a mode of combining natural cooling and compression refrigeration cooling, so that the working energy consumption can be effectively reduced; when the outdoor environment temperature is high, such as the outdoor environment temperature is more than 20 ℃, the control device controls the compression refrigeration mechanism to start working, the natural cooling mechanism does not work, the internal environment temperature of the machine room is fully reduced, and the normal work of the internal equipment of the machine room is ensured; when the outdoor environment temperature is a medium temperature condition, such as the outdoor environment temperature is more than or equal to 5 ℃ and less than or equal to 20 ℃, the control device controls the compression refrigeration mechanism and the natural cooling mechanism to work simultaneously, and utilizes a natural cold source to cool the environment air in the machine room, so that the working pressure of the compression refrigeration mechanism is reduced, and the working energy consumption of the indirect evaporative cooling mechanism is reduced; when the outdoor environment temperature is low, such as the outdoor environment temperature is less than 5 ℃, the control device controls the natural cooling mechanism to keep the working state and controls the compression refrigeration mechanism to stop working, so that the natural cold source is fully utilized, and the energy utilization rate is improved.
Further, referring to fig. 1 and fig. 2, the indirect evaporative cooling unit further includes a first casing 1 and a second casing 2; an air return inlet 11 and an air supply outlet 12 are formed in the first shell 1, and an air supply mechanism 7 electrically connected with the control device is arranged in the first shell 1; an air inlet and an air outlet are formed in the second shell 2, and an air exhaust mechanism 8 electrically connected with the control device is arranged in the second shell 2; the indoor side fixing device 3 is arranged on the air inlet side of the air supply mechanism 7; the outdoor side fixing device 4 is arranged on the air inlet side of the exhaust mechanism 8; in one embodiment, the blowing mechanism 7 includes six blowers uniformly arranged on the air inlet side of the blowing port 12; exhaust mechanism 8 includes six exhaust fans, six the exhaust fan set up uniformly in the air inlet side of air exit.
On the indoor side, the machine room return air enters the first shell 1 through the return air inlet 11, then contacts with the evaporator 61 and the indoor heat exchange coil 51 in the indoor side fixing device 3 for cooling, and the cooled return air returns to the data machine room through the air supply outlet 12 under the action of the air supply mechanism 7; outside air enters the second housing 2 through the air inlet on the outdoor side, and then contacts the condenser 62 and the outdoor heat exchange coil 52 in the outdoor side fixing device 4 to heat up, and the heated outdoor air is exhausted out of the second housing 2 through the air outlet under the action of the exhaust mechanism 8.
Further, referring to fig. 3, the natural cooling mechanism further includes an automatic exhaust valve 53, and a water pump 54 and a switch valve 55 which are electrically connected to the control device, respectively, an output end of the outdoor heat exchanging coil 52 is connected to an input end of the indoor heat exchanging coil 51 through the water pump 54, and an output end of the indoor heat exchanging coil 51 is connected to an input end of the outdoor heat exchanging coil 52 through the switch valve 55; the automatic exhaust valve 53 is used for realizing automatic exhaust, ensuring the stable pressure of a pipeline of the natural cooling mechanism and improving the stability and safety of the natural cooling mechanism during working; the water pump 54 provides power for the circulation of the refrigerant; in one embodiment, the switch valve 55 is a solenoid valve, and the control device is used for controlling the on-off of the solenoid valve to realize the start or stop of the circulation of the refrigerant; the outdoor heat exchange coil 52 is a dry cooler, and the indoor heat exchange coil 51 is a surface cooling coil; the refrigerant circulating in the outdoor heat exchange coil 52 and the indoor heat exchange coil 51 is a glycol solution.
Further, referring to fig. 4, the compression refrigeration mechanism further includes a liquid separation head 63, and a compressor 64 and an electronic expansion valve 65 which are electrically connected to the control device, respectively, an output end of the evaporator 61 is connected to an input end of the condenser 62 through the compressor 64, and an output end of the condenser 62 is connected to an input end of the evaporator 61 through the electronic expansion valve 65 and the liquid separation head 63 in sequence; the refrigerant in the evaporator 61 absorbs heat and then enters the compressor 64, the refrigerant is compressed into high-pressure saturated gas through the compressor 64, the gaseous refrigerant is condensed through the condenser 62, throttled through the electronic expansion valve 65 and then returned to the evaporator 61; in one embodiment, the refrigerant circulating in the evaporator 61 and the condenser 62 is fluorine.
Further, please refer to fig. 2, the indoor fixing device 3 includes a first fixing frame 31 and a second fixing frame 32, the first fixing frame 31 and the second fixing frame 32 are both provided with the evaporator 61 and the indoor heat exchange coil 51, a certain included angle exists between the first fixing frame 31 and the second fixing frame 32, which can increase the contact area between the machine room return air and the evaporator 61 and the indoor heat exchange coil 51, and improve the cooling effect of the indoor fixing device 3 on the machine room return air.
Further, please refer to fig. 1, the outdoor fixing device 4 includes the fixed frame 41 of third and the fixed frame 22 of fourth, the fixed frame 41 of third with all be provided with in the fixed frame 22 of fourth condenser 62 and outdoor heat exchange coil 52, the fixed frame 41 of third with there is certain contained angle between the fixed frame 22 of fourth, can increase the area of contact of outdoor ambient air and condenser 62 and outdoor heat exchange coil 52, improves the cooling effect of outdoor ambient air to the refrigerant, fully retrieves natural cold source.
Furthermore, a pretreatment mechanism is further arranged in the second shell 2, the pretreatment mechanism is arranged on the air inlet side of the outdoor side fixing device 4, and the pretreatment mechanism is used for reducing the air inlet temperature; the pretreatment mechanism is arranged to pre-cool the outdoor ambient air, so that the temperature of the air entering the outdoor fixing device 4 can be reduced, the condensation temperature is reduced, and the energy utilization rate is improved.
Further, the pretreatment mechanism comprises a spraying device, a wet film heat exchanger and a water pan, wherein the spraying device is positioned above the wet film heat exchanger and used for outputting spray water to the wet film heat exchanger; the water receiving disc is positioned below the wet film heat exchanger and used for receiving spray water output by the spray device and keeping the interior of the second shell 2 clean; the spraying device is electrically connected with the control device, and the control device is used for adjusting the water spraying amount of the spraying device.
It should be understood that equivalent substitutions or changes can be made by those skilled in the art according to the technical solution of the present invention and the inventive concept thereof, and all such changes or substitutions should be considered as the protection scope of the present invention.
Claims (8)
1. An indirect evaporative cooling unit comprises a control device and is characterized by further comprising an indoor side fixing device, an outdoor side fixing device, a natural cooling mechanism and a compression refrigerating mechanism, wherein the natural cooling mechanism and the compression refrigerating mechanism are electrically connected with the control device respectively; the evaporator and the indoor heat exchange coil are arranged in the indoor side fixing device, and the condenser and the outdoor heat exchange coil are arranged in the outdoor side fixing device.
2. The indirect evaporative cooling unit as set forth in claim 1, further comprising a first housing and a second housing; an air return opening and an air supply opening are formed in the first shell, and an air supply mechanism electrically connected with the control device is arranged in the first shell; the second shell is provided with an air inlet and an air outlet, and an air exhaust mechanism electrically connected with the control device is arranged in the second shell; the indoor side fixing device is arranged on the air inlet side of the air supply mechanism; the outdoor side fixing device is arranged on the air inlet side of the air exhaust mechanism.
3. An indirect evaporative cooling unit as claimed in claim 1, wherein the natural cooling mechanism further comprises an automatic exhaust valve, and a water pump and a switch valve which are electrically connected to the control device, respectively, the output end of the outdoor heat exchange coil is connected to the input end of the indoor heat exchange coil through the water pump, and the output end of the indoor heat exchange coil is connected to the input end of the outdoor heat exchange coil through the switch valve.
4. The indirect evaporative cooling unit of claim 1, wherein the compression and refrigeration mechanism further comprises a liquid separation head, and a compressor and an electronic expansion valve electrically connected to the control device, respectively, the output end of the evaporator is connected to the input end of the condenser through the compressor, and the output end of the condenser is connected to the input end of the evaporator sequentially through the electronic expansion valve and the liquid separation head.
5. The indirect evaporative cooling unit as claimed in claim 1, wherein the indoor fixing device comprises a first fixing frame and a second fixing frame, and an included angle is formed between the first fixing frame and the second fixing frame; the evaporator and the indoor heat exchange coil are arranged in the first fixing frame and the second fixing frame.
6. The indirect evaporative cooling chiller unit of claim 1, wherein the outdoor side fixing device comprises a third fixing frame and a fourth fixing frame, and an included angle is formed between the third fixing frame and the fourth fixing frame; the fixed frame of third with all be provided with in the fixed frame of fourth the condenser and outdoor heat exchange coil.
7. An indirect evaporative cooling unit as claimed in claim 2, wherein a pretreatment mechanism is further provided in the second housing, the pretreatment mechanism is provided on the air inlet side of the outdoor side fixing device, and the pretreatment mechanism is used for reducing the temperature of the inlet air.
8. The indirect evaporative cooling chilling unit of claim 7, wherein the pre-treatment mechanism comprises a spray device, a wet film heat exchanger and a water pan, the spray device is located above the wet film heat exchanger, and the water pan is located below the wet film heat exchanger; and the spraying device is electrically connected with the control device and is used for outputting spraying water to the wet film heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220221170.2U CN217064387U (en) | 2022-01-26 | 2022-01-26 | Indirect evaporative cooling unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220221170.2U CN217064387U (en) | 2022-01-26 | 2022-01-26 | Indirect evaporative cooling unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217064387U true CN217064387U (en) | 2022-07-26 |
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ID=82484953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220221170.2U Active CN217064387U (en) | 2022-01-26 | 2022-01-26 | Indirect evaporative cooling unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217064387U (en) |
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2022
- 2022-01-26 CN CN202220221170.2U patent/CN217064387U/en active Active
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