CN220038652U - Cooling system for cold water air conditioning unit - Google Patents
Cooling system for cold water air conditioning unit Download PDFInfo
- Publication number
- CN220038652U CN220038652U CN202321244767.XU CN202321244767U CN220038652U CN 220038652 U CN220038652 U CN 220038652U CN 202321244767 U CN202321244767 U CN 202321244767U CN 220038652 U CN220038652 U CN 220038652U
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- Prior art keywords
- conditioning unit
- air conditioning
- cooling
- cooling device
- water
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 120
- 238000001816 cooling Methods 0.000 title claims abstract description 100
- 238000004378 air conditioning Methods 0.000 title claims abstract description 43
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000005057 refrigeration Methods 0.000 abstract description 6
- 230000007547 defect Effects 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 description 4
- 239000000498 cooling water Substances 0.000 description 2
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Other Air-Conditioning Systems (AREA)
Abstract
The cooling system for the cold water air conditioning unit comprises the cold water air conditioning unit, wherein the cold water air conditioning unit is communicated with tail end equipment through a chilled water supply pipe, the cold water air conditioning unit is communicated with one end of a cooling coil pipe in a cooling device through a chilled water outlet pipe with a chilled water circulating pump and a water outlet valve of the cooling device, a water collecting tank is arranged in the cooling device below the cooling coil pipe, the other end of the cooling coil pipe is communicated with the tail end equipment through a chilled water return pipe with a water inlet valve of the cooling device, and an exhaust fan is arranged at the top end of the cooling device; the cold water air conditioning unit is electrically connected with a cooling device control cabinet. Aiming at the defects of the prior art, the cooling system for the cold water air conditioning unit provided by the utility model replaces the air conditioning unit when the ambient temperature is lower in winter, and utilizes ambient cold air as a natural cold source to cool the electrical equipment, so as to achieve the purposes of reducing the loss of low-temperature refrigeration in winter to the parts of the air conditioning unit and saving energy.
Description
Technical Field
The utility model relates to the technical field of cooling of electrical equipment in the field of water and electricity, in particular to a cooling system for a cold water air conditioning unit.
Background
In a place where many electric devices are concentrated, such as a power plant, a power transmission station, and a large data center, it is necessary to cool down the electric devices each year by air conditioning equipment because the electric devices generate large amounts of heat. And part of places use cold water air conditioning units, and the temperature of an environment dry bulb is 18-43 ℃ under the ideal working condition of a refrigerating mode of the units. However, the dry bulb temperature in winter in most areas of China is below 10 ℃ and is far lower than the ideal working condition of the refrigerating mode of the air conditioning unit. The damage of the air conditioning unit caused by long-time refrigeration operation in a low-temperature environment is extremely large, the service life of main parts of the air conditioning unit is seriously influenced, and the refrigeration efficiency in the low-temperature environment is extremely low.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a cooling system for a cold water air conditioner unit, which is used for replacing the air conditioner unit when the ambient temperature is low in winter, and the ambient cold air is used as a natural cold source to cool the electrical equipment, so that the purposes of reducing the loss of low-temperature refrigeration on parts of the air conditioner unit in winter and saving energy are achieved.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the cooling system for the cold water air conditioning unit comprises the cold water air conditioning unit, wherein the cold water air conditioning unit is communicated with tail end equipment through a chilled water supply pipe, the cold water air conditioning unit is communicated with one end of a cooling coil pipe in a cooling device through a chilled water outlet pipe with a chilled water circulating pump and a water outlet valve of the cooling device, a water collecting tank is arranged in the cooling device below the cooling coil pipe, the other end of the cooling coil pipe is communicated with the tail end equipment through a chilled water return pipe with a water inlet valve of the cooling device, and an exhaust fan is arranged at the top end of the cooling device;
the cold water air conditioning unit is electrically connected with a cooling device control cabinet.
Preferably, the water collection sump is arranged below the fresh air opening of the cooling device.
Preferably, a drain pipe is provided at one side of the water collecting tank.
Preferably, a bypass valve is arranged between the chilled water return pipe and the chilled water outlet pipe.
Preferably, a temperature controller is arranged on the cooling device control cabinet, and the temperature controller, the cold water air conditioning unit, the bypass valve, the cooling tower water inlet valve, the cooling tower water outlet valve and the exhaust fan are connected to form a linkage control line.
Preferably, an air inlet grille is arranged on the fresh air port.
Preferably, the cooling coil is a transverse fin tube, the base tube is a round tube made of red copper or steel, the fins are made of red copper or aluminum, and the flow direction of chilled water in the cooling coil is vertical to the flow direction of fresh air.
Preferably, the exhaust fan is a variable frequency fan or a plurality of small fans which are connected in parallel in groups.
Compared with the prior art, the cooling system for the cold water air conditioning unit provided by the utility model replaces the air conditioning unit when the environmental temperature is low in winter, and utilizes the environmental cold air as a natural cold source to cool the electrical equipment, so that the purposes of reducing the loss of low-temperature refrigeration in winter to the parts of the air conditioning unit and saving energy are achieved; the exhaust fan of the cooling device is a variable frequency fan or a plurality of small fans which are connected in parallel in groups. The exhaust fan is connected with the temperature controller by a linkage control line, and can perform variable-frequency operation or grouping operation under different environmental temperature working conditions; the water cooling air conditioner is applicable to various types of water cooling air conditioners such as an air cooling water air conditioner, a water cooling water air conditioner, a lithium bromide water cooling air conditioner and the like, and has wide application range.
Drawings
FIG. 1 is a schematic diagram of a cooling system according to the present utility model.
In the figure: 1. a cold water air conditioning unit; 2. a chilled water circulation pump; 3. an end device; 4. a chilled water supply pipe; 5. a chilled water return line; 6. a cooling device; 7. a cooling device control cabinet; 8. a bypass valve; 9. inlet valve of cooling device; 10. a water outlet valve of the cooling device; 11. a water inlet pipe of the cooling device; 12. a water outlet pipe of the cooling device; 13. a cooling coil; 14. an exhaust fan; 15. an air inlet; 16. a water collection tank; 17. a drain pipe; 11. and a temperature controller.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1, in the present embodiment: the cooling system for the cold water air conditioning unit comprises the cold water air conditioning unit 1, wherein the cold water air conditioning unit 1 is communicated with the tail end equipment 3 through a chilled water supply pipe 4, the cold water air conditioning unit 1 is communicated with one end of a cooling coil 13 in a cooling device 6 through a chilled water outlet pipe 12 with a chilled water circulating pump 2 and a cooling device water outlet valve 10, a water collecting tank 16 is arranged in the cooling device 6 below the cooling coil 13, the other end of the cooling coil 13 is communicated with the tail end equipment 3 through a chilled water return pipe 5 with a cooling device water inlet valve 9, and an exhaust fan 14 is arranged at the top end of the cooling device 6;
the cold water air conditioning unit 1 is electrically connected with a cooling device control cabinet 7.
A water collection sump 16 is arranged below the fresh air opening 15 of the cooling device 6, the water collection sump 16 being used for collecting condensate water dripping from the cooling coil 13.
A drain pipe 17 is provided on one side of the water collection tank 16.
A bypass valve 8 is arranged between the chilled water return pipe 5 and the chilled water outlet pipe 12.
The cooling device control cabinet 7 is provided with a temperature controller 11, and the temperature controller 11, the cold water air conditioning unit 1, the bypass valve 8, the cooling device water inlet valve 9, the cooling device water outlet valve 10 and the exhaust fan 14 are connected to form a linkage control line.
An air inlet grille is arranged on the fresh air inlet 15.
The cooling coil 13 is a transverse fin tube, the base tube is a round tube made of red copper or steel, the fins are made of red copper or aluminum, and the direction of chilled water flow in the cooling coil 13 is vertical to the direction of fresh air flow. The contact surface between the surface of the cooling coil 13 and the fresh air should be maximized.
The exhaust fan 14 is a variable frequency fan or a plurality of small fans which are connected in parallel in groups.
The exhaust fan 14 is connected with the temperature controller 11 by a linkage control line, and can perform variable frequency operation or grouping operation under different environmental temperature working conditions.
The working process of the utility model comprises the following steps: when the temperature controller 11 on the cooling device control cabinet 7 detects that the ambient temperature is higher than a set value, the bypass valve 8 on the chilled water return pipe 5 is opened, the cooling device water inlet valve 9 is closed, the cooling device water outlet valve 10 is closed, and the system does not participate in the refrigeration cycle of the original central air conditioning system.
Under the pressurization of the chilled water circulating pump 2, low-temperature chilled water is conveyed from the chilled water air conditioning unit 1 to the tail end equipment 3 between the electrical equipment through the chilled water supply pipe 4, hot air between the tail end equipment 3 and the electrical equipment is subjected to heat exchange and temperature reduction, and chilled water after heat exchange flows back to the chilled water air conditioning unit 1 through the chilled water return pipe 5; when the temperature controller 11 on the cooling device control cabinet 7 detects that the ambient temperature is lower than the set value, the cold water air conditioning unit 1 stops running, the chilled water circulating pump 2 keeps running, the bypass valve 8 on the chilled water return pipe 5 is closed, the cooling device water inlet valve 9 is opened, the cooling device water outlet valve 10 is opened, the cooling device exhaust fan 14 is opened, and the cooling device 6 is put into operation. Chilled water flows into a cooling device water inlet pipe 11 from a terminal device 3 through a chilled water return pipe 5, flows into a cooling coil pipe 13 of a cooling device 6 through a cooling device water inlet valve 9 to exchange heat with outdoor fresh air, low-temperature chilled water after heat exchange flows into a cooling device water outlet pipe 12 through a cooling device water outlet valve 10, flows through a chilled water return pipe 5 through a chilled water circulating pump 2 and returns to a cold water air conditioning unit 1, is conveyed to the terminal device 3 between electrical devices through a chilled water supply pipe 4, and exchanges heat with hot air between the electrical devices in the terminal device 3 to reduce temperature.
Finally, it should be noted that: the above is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that the present utility model is described in detail with reference to the foregoing embodiments, and modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (8)
1. The cooling system for the cold water air conditioning unit comprises the cold water air conditioning unit (1), and is characterized in that: the cold water air conditioning unit (1) is communicated with the tail end equipment (3) through a chilled water supply pipe (4), the cold water air conditioning unit (1) is communicated with one end of a cooling coil pipe (13) in the cooling device (6) through a chilled water outlet pipe (12) with a chilled water circulating pump (2) and a cooling tower water outlet valve (10), a water collecting tank (16) is arranged in the cooling device (6) below the cooling coil pipe (13), the other end of the cooling coil pipe (13) is communicated with the tail end equipment (3) through a chilled water return pipe (5) with a cooling device water inlet valve (9), and an exhaust fan (14) is arranged at the top end of the cooling device (6);
the cold water air conditioning unit (1) is electrically connected with a cooling device control cabinet (7).
2. The cooling system for a chiller air conditioner set as set forth in claim 1 wherein: the water collecting tank (16) is arranged below the fresh air port (15) of the cooling device (6).
3. The cooling system for a chiller air conditioner set as set forth in claim 1 wherein: a drain pipe (17) is arranged at one side of the water collecting tank (16).
4. The cooling system for a chiller air conditioner set as set forth in claim 1 wherein: a bypass valve (8) is arranged between the chilled water return pipe (5) and the chilled water outlet pipe (12).
5. The cooling system for a chiller air conditioner set as set forth in claim 1 wherein: the cooling device control cabinet (7) is provided with a temperature controller (11), and the temperature controller (11), the cold water air conditioning unit (1), the bypass valve (8), the cooling device water inlet valve (9), the cooling device water outlet valve (10) and the exhaust fan (14) are connected to form a linkage control line.
6. The cooling system for a chiller air conditioner set as set forth in claim 1 wherein: an air inlet grille is arranged on the fresh air inlet (15).
7. The cooling system for a chiller air conditioner set as set forth in claim 1 wherein: the cooling coil (13) is a transverse fin tube, the base tube is a circular tube made of red copper or steel, the fins are made of red copper or aluminum, and the chilled water flow direction in the cooling coil (13) is vertical to the fresh air flow direction.
8. The cooling system for a chiller air conditioner set as set forth in claim 1 wherein: the exhaust fan (14) is a variable frequency fan or a plurality of small fans which are connected in parallel in groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321244767.XU CN220038652U (en) | 2023-05-22 | 2023-05-22 | Cooling system for cold water air conditioning unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321244767.XU CN220038652U (en) | 2023-05-22 | 2023-05-22 | Cooling system for cold water air conditioning unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220038652U true CN220038652U (en) | 2023-11-17 |
Family
ID=88721908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321244767.XU Active CN220038652U (en) | 2023-05-22 | 2023-05-22 | Cooling system for cold water air conditioning unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220038652U (en) |
-
2023
- 2023-05-22 CN CN202321244767.XU patent/CN220038652U/en active Active
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