CN208597224U - Integrated strip natural cooling source water cooler - Google Patents
Integrated strip natural cooling source water cooler Download PDFInfo
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- CN208597224U CN208597224U CN201821065738.6U CN201821065738U CN208597224U CN 208597224 U CN208597224 U CN 208597224U CN 201821065738 U CN201821065738 U CN 201821065738U CN 208597224 U CN208597224 U CN 208597224U
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Abstract
The utility model discloses integrated strip natural cooling source water coolers, including compressor, First Heat Exchanger, the second heat exchanger and expansion valve, second heat exchanger includes air-cooled condenser, blower and natural cooling water coil, the outlet of compressor is connected by pipeline with First Heat Exchanger, the import of expansion valve is connected by pipeline with First Heat Exchanger, the outlet of expansion valve is connected by pipeline with the air-cooled condenser of the second heat exchanger, the import of compressor is connected with the air-cooled condenser of the second heat exchanger, and the natural cooling water coil is connected by pipeline with First Heat Exchanger.The utility model is for solving the problems, such as that existing air conditioner in machine room winter refrigeration energy consumption is high, installation is complicated and integrated degree is low.
Description
Technical field
The utility model relates to a kind of data center air conditioner cold water unit more particularly to a kind of cold water with natural cooling source
Unit.
Background technique
In current data center, under normal circumstances, the 40% of data center's entirety input power is by refrigeration equipment institute
Consumption, in the case where most evil bad, this numerical value can reach 60%.And with the development and progress of society, electric power is becoming
It under the premise of a kind of narrow resources, more should be used to dramatically play the efficiency of server, rather than be wasted in pair
In the inessential driving of refrigeration equipment.Other than reducing cost, realizing more efficient electrical management, industry always about
The discussion of " using the green data center of the low unit area carbon emission of energy-saving refrigerating system ".And the fortune at mass data center
Row, will necessarily consume the huge energy, this all brings heavy pressure to the natural environment in China and the production activity of the mankind.
So in the case where data center's total energy consumption constantly rises, using renewable energy, to improve energy use efficiency be to allow data
The important measures that center can reduce energy consumption, realize sustainable development.
How to reduce consumption of data center is that there is a continuing need for solve.In order to reach the mesh for reducing energy consumption
, the utilization of natural cooling source seems particularly significant.At present in air conditioner in machine room industry, domestic and international application is in data center with certainly
The solution of right cold source precision air conditioner product mainly has direct natural cooling and indirect natural cooling two ways.Due to China
Air quality it is poor, it is difficult in maintenance to the utilization presence server equipment burn into of direct natural cooling source the problems such as, and can not shape
The mainstream scheme to freeze naturally at China's computer room.It is predominantly indirectly naturally cold to the utilization of natural cooling source in the current industry in China
But, there is the problems such as installation is complicated, integrated degree is low in existing natural cooling.
Utility model content
The purpose of this utility model is to provide integrated strip natural cooling source water coolers, for solving existing air conditioner in machine room
The problem that winter refrigeration energy consumption is high, installation is complicated and integrated degree is low.
To achieve the goals above, the technical solution adopted in the utility model is as follows:
Integrated strip natural cooling source water cooler, it is characterised in that: including compressor, First Heat Exchanger, the second heat exchanger
And expansion valve, second heat exchanger include air-cooled condenser, blower and natural cooling water coil, the outlet of compressor passes through pipe
Road is connected with First Heat Exchanger, and the import of expansion valve is connected by pipeline with First Heat Exchanger, and the outlet of expansion valve passes through pipeline
Be connected with the air-cooled condenser of the second heat exchanger, the import of compressor is connected with the air-cooled condenser of the second heat exchanger, it is described from
Right cooling water coil is connected by pipeline with First Heat Exchanger.
Device for drying and filtering and fluid reservoir are also equipped on the pipeline that the expansion valve is connected with air-cooled condenser.
The First Heat Exchanger is case tube heat exchanger, and case tube heat exchanger setting is there are four mouth, respectively chilled water import, cold
Freezing water outlet, refrigerant inlet and refrigerant outlet, refrigerant inlet are connected by pipeline with compressor, and refrigerant outlet passes through
Pipeline is connected with expansion valve.
The chilled water import is connected with chilled water pipe, and chilled water pipe includes chilled water supervisor, the first branch pipe and second
Pipe, chilled water supervisor, the first branch pipe and the second branch pipe are connected by triple valve, and the first branch pipe is connected with chilled water import, and second
Branch pipe is connected with the import of natural cooling water coil, and the outlet of natural cooling water coil is connected by pipeline with the first branch pipe.
Second heat exchanger is made of down the heat exchanger of " M " form, each piece of straight panel heat exchanger 4 pieces of straight panel heat exchangers
It is made of again 7 combs, wherein 3 rows are natural cooling water coil, 4 rows are air-cooled condenser.
It is equipped with 6 electric heating inserting holes in each natural cooling water coil, antifreeze electricity is installed in electric heating inserting hole and is added
Hot device.
Temperature sensor is installed on natural cooling water coil, detects natural cooling water coil temperature lower than after setting value
Electric heating is opened, water coil bursting by freezing is avoided.
It is mounted on temperature sensor in the chilled water import and chilled water outlet of the First Heat Exchanger, for examining respectively
Survey chilled water temperature before cooling and temperature after cooling.
Air-cooled condenser import is equipped with solenoid valve, for controlling refrigerant flow direction, in a hybrid mode, can reduce condensation
Device heat exchange area, to promote fan operation frequency.
Blower is connected with electric cabinet, and frequency converter is provided in electric cabinet, and different operational modes uses different blower controls
Logic processed is adjustable blower input frequency.
Compared with prior art, the utility model has the following beneficial effects:
The utility model increases natural cooling water coil on the basis of chiller unit.It is lower in outdoor temperature
In the case where, chilled water is cooled down using outdoor environment cold air, greatly improves Energy Efficiency Ratio, compressor is reduced and consumes function
Rate.The higher data center computer room of temperature is used for chilled water, energy-saving effect is especially pronounced, area lower for environment temperature,
30% or more year power consumption reduction；
The utility model uses integrated design, and Cooling System and mechanical compression refrigeration system are integrated together,
Case tube heat exchanger, heat exchange blower fan and pipe fitting are shared, air-cooled condenser and natural cooling coil pipe are put together, carries out whole set
Meter, greatly reduces occupied area and material cost, and integrated design is installed simple and convenient.
The utility model control model is reasonable, has three kinds of operational modes, including free cooling refrigeration mode, mechanical refrigeration
Mode and machinery+free cooling refrigeration mode, can be automatically switched according to water temperature and environment temperature type.In each pattern
Adjustable refrigerating capacity guarantees that supply water temperature is stablized；The utility model is reliable and stable, and safeguard measure is perfect, and projected life is more than 10
Year.
Detailed description of the invention
Fig. 1 is the utility model overall structure outline drawing；
Fig. 2 is the utility model entirety side view；
Fig. 3 is the utility model schematic diagram of internal structure；
Fig. 4 is the second heat exchanger structure of the utility model schematic diagram；
Fig. 5 is the antifreeze electric heater structure schematic diagram of the utility model；
Fig. 6 is the utility model Integral connection structure schematic diagram.
In above-mentioned attached drawing, the corresponding component names of appended drawing reference are as follows:
1- frame；2- compressor；3- First Heat Exchanger；4- electric expansion valve；5- blower；6- blower sealing plate；7- second
Heat exchanger；8- compressor exhaust pipe；9- electric cabinet；10- electric T-shaped valve；11- chilled water supervisor；The first branch pipe of 12-；13-
Two branch pipes；14- fluid reservoir；15- pipeline；16- water outlet pipe flange；17- water inlet pipe connecting flange；18- inflow temperature sensor；
19- leaving water temperature sensors；20- device for drying and filtering；21- liquid pipe；The antifreeze electric heating inserting hole of 22-；23- natural cooling water pond
Pipe；24- water coil drain valve；25- water coil vent valve；26- air-cooled condenser；The antifreeze electric heater of 27-.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples, and the embodiments of the present invention includes
But it is not limited to the following example.
The utility model is integral type band natural cooling source water cooler, and key point is natural air cooled and mechanical refrigeration
Integrated design specifically includes frame 1 and sealing plate 6, and frame is encapsulated with sealing plate 6, and frame roof installs blower 5, pacifies in frame 1
Dress compressor 2(compressor is connected with compressor exhaust pipe 8), First Heat Exchanger 3, the second heat exchanger 7 and expansion valve 4(be in order to just
In automatic control, expansion valve is selected as electric expansion valve) and electric cabinet 9(electric cabinet for automatically controlled all parts unlatching and
Close), second heat exchanger 7 includes air-cooled condenser 26, blower 5 and natural cooling water coil 23, and the outlet of compressor 2 is logical
Piping is connected with First Heat Exchanger 3, and the import of expansion valve 4 is connected by pipeline with First Heat Exchanger 3, the outlet of expansion valve 4
It is connected by pipeline with the air-cooled condenser 26 of the second heat exchanger 7, the air-cooled condensation of the import of compressor 2 and the second heat exchanger 7
Device 26 is connected, and the natural cooling water coil 23 is connected by pipeline with First Heat Exchanger 3.
The pipeline 15(that the expansion valve 4 is connected with air-cooled condenser 26 due to the medium in the pipeline be liquid,
Pipeline in this section is also referred to as liquid pipe 21) on be also equipped with device for drying and filtering 20 and fluid reservoir 14.
The First Heat Exchanger 3 is case tube heat exchanger, case tube heat exchanger setting there are four mouth, respectively chilled water import,
Chilled water outlet, refrigerant inlet and refrigerant outlet, refrigerant inlet are connected by pipeline 15 with compressor 2, and refrigerant goes out
Mouth is connected by pipeline 15 with expansion valve 4.
The chilled water import is connected with chilled water pipe, and chilled water pipe includes that chilled water is responsible for the 11, first branch pipe 12 and the
Two branch pipes 13, chilled water are responsible for the 11, first branch pipe 12 and the second branch pipe 13 by triple valve 10(for the ease of intelligent control, and three
Port valve selects electric T-shaped valve) it is connected, the first branch pipe 12 is connected with chilled water import, the second branch pipe 13 and natural cooling water coil
23 import is connected, and the outlet of natural cooling water coil 23 is connected by pipeline 15 with the first branch pipe 12.
It is equipped on chilled water supervisor 11 into water pipe connecting flange 17, water outlet pipe method is installed on the pipeline of chilled water outlet
Orchid 16, is separately installed with inflow temperature sensor 18 and leaving water temperature sensors 19 in chilled water import and chilled water outlet.
As shown in figures 1 to 6, the integrated strip natural cooling source water cooler for data center is provided.With traditional cooling-water machine
Group the difference is that, integrated strip natural cooling source water cooler increases natural cooling source mode.For data center computer room to room
Cleanliness, and the status freezed throughout the year, unit make full use of the cold air outside cold time room to chilled water needed for computer room
It is cooled down, provides stable chilled water for the chilled water end in data center computer room, reduce the power of mechanical refrigeration consumption, reduce
Data center's PUE value.
Specifically, integrated strip natural cooling source water cooler has three kinds of cooling operation modes, provides for data center computer room
10-15 DEG C of chilled water, Three models are respectively as follows: mechanical refrigeration, natural cooling source refrigeration and machinery+natural cooling source refrigeration.
When outdoor temperature is higher than 10 DEG C of supply water temperature, unit uses mechanical refrigeration mode, i.e. compressor refrigeration, compressor
2 when being power, identical as chiller unit, refrigerant by compression mechanism SAPMAC method, in shell-tube evaporator with chilled water
It exchanges heat, is cooled to target temperature for the high temperature chilled water come is returned by chilled water end.
When 3 DEG C < outdoor temperature < 10 DEG C, unit uses machinery+natural cooling source mode, i.e. compressor and natural cooling disk
Pipe works at the same time, 10 standard-sized sheet of electric T-shaped valve, and chilled water end returns to the high temperature chilled water come and passes through the second heat exchanger 7 first
In natural cooling coil pipe 23 precooled, using First Heat Exchanger, changed with the refrigerant in the circulation of compressor 2
Heat makes chilled water reach target temperature.In machinery+natural cooling source mode, compressor section load operation.
When outdoor temperature≤3 DEG C, unit enters natural cooling source refrigeration mode, i.e. chilled water end returns to the high temperature of coming
Chilled water carries out heat exchange cooling by the natural cooling coil pipe 23 in the second heat exchanger 7, and chilled water is made to reach target temperature.It is natural
In cold source mode, electric T-shaped valve 10 and blower 5 are adjusted according to supply water temperature, make stable in outlet water temperature.
Compressor 2 uses totally-enclosed helical-lobe compressor, compressor load can be adjusted according to refrigeration demand.Blower 5 is adopted
With three-phase variable ratio frequency changer blower, electric cabinet 9 is interior to be equipped with frequency converter, can control fan operation frequency.
Second heat exchanger 7 forms the heat exchanger of " M " form using 4 pieces of straight panel heat exchangers, and each piece of straight panel heat exchanger is again
It is made of 3+4 comb, wherein 3 rows are natural cooling water coil, 4 rows are air-cooled condenser 26.Each natural cooling water coil 23
In there are 6 electric heating inserting holes 22, to install antifreeze electric heater 27, conservation of nature cooling water coil 23, natural cooling
Water coil drain valve 24 and water coil vent valve 25 are provided on water coil 23, be respectively used to natural cooling water coil 23 draining and
It deflates.
Above-described embodiment is only the section Example of the utility model, is not intended to limit the utility model, and
Parameters can arbitrarily choose combination according to practical effect in the utility model.Before above-mentioned refrigeration system principle
It puts, to solve same technical problem, even if that makes on the utility model is some without substantive change or polishing, institute
The essence of the technical solution of use is still consistent with the utility model, it should also within the protection scope of the present utility model.
Claims (6)
1. integrated strip natural cooling source water cooler, it is characterised in that: including compressor, First Heat Exchanger, the second heat exchanger and
Expansion valve, second heat exchanger include air-cooled condenser, blower and natural cooling water coil, and the outlet of compressor passes through pipeline
Be connected with First Heat Exchanger, the import of expansion valve is connected by pipeline with First Heat Exchanger, the outlet of expansion valve pass through pipeline and
The air-cooled condenser of second heat exchanger is connected, and the import of compressor is connected with the air-cooled condenser of the second heat exchanger, the nature
Cooling water coil is connected by pipeline with First Heat Exchanger.
2. integrated strip natural cooling source water cooler according to claim 1, it is characterised in that: the expansion valve with it is air-cooled
Device for drying and filtering and fluid reservoir are also equipped on the connected pipeline of condenser.
3. integrated strip natural cooling source water cooler according to claim 1, it is characterised in that: the First Heat Exchanger is
Case tube heat exchanger, there are four mouths, respectively chilled water import, chilled water outlet, refrigerant inlet and system for case tube heat exchanger setting
Cryogen outlet, refrigerant inlet are connected by pipeline with compressor, and refrigerant outlet is connected by pipeline with expansion valve.
4. integrated strip natural cooling source water cooler according to claim 3, it is characterised in that: the chilled water import connects
Be connected to chilled water pipe, chilled water pipe includes chilled water supervisor, the first branch pipe and the second branch pipe, chilled water supervisor, the first branch pipe and
Second branch pipe is connected by triple valve, and the first branch pipe is connected with chilled water import, the second branch pipe and natural cooling water coil into
Mouth is connected, and the outlet of natural cooling water coil is connected by pipeline with the first branch pipe.
5. integrated strip natural cooling source water cooler according to claim 1, it is characterised in that: second heat exchanger is
The heat exchanger of " M " form is made of down 4 pieces of straight panel heat exchangers, each piece of straight panel heat exchanger is made of 7 combs, wherein 3 rows are certainly
Right cooling water coil, 4 rows are air-cooled condenser.
6. integrated strip natural cooling source water cooler according to claim 1, it is characterised in that: each natural cooling water pond
It is equipped with 6 electric heating inserting holes in pipe, antifreeze electric heater is installed in electric heating inserting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821065738.6U CN208597224U (en) | 2018-07-06 | 2018-07-06 | Integrated strip natural cooling source water cooler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821065738.6U CN208597224U (en) | 2018-07-06 | 2018-07-06 | Integrated strip natural cooling source water cooler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208597224U true CN208597224U (en) | 2019-03-12 |
Family
ID=65602486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821065738.6U Active CN208597224U (en) | 2018-07-06 | 2018-07-06 | Integrated strip natural cooling source water cooler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208597224U (en) |
-
2018
- 2018-07-06 CN CN201821065738.6U patent/CN208597224U/en active Active
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