CN204757218U - Be applied to data center refrigerating system's natural cooling unit - Google Patents
Be applied to data center refrigerating system's natural cooling unit Download PDFInfo
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- CN204757218U CN204757218U CN201520393433.8U CN201520393433U CN204757218U CN 204757218 U CN204757218 U CN 204757218U CN 201520393433 U CN201520393433 U CN 201520393433U CN 204757218 U CN204757218 U CN 204757218U
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Abstract
The utility model provides a be applied to data center refrigerating system's natural cooling unit which mainly is: be equipped with a plurality of draught fans on the last casing of box, be equipped with and draw the chain electronic wind gap of fan switch on the casing under or at the side casing of this box, be equipped with a plurality of surface coolers in the box, be equipped with hot water water inlet branch pipe and cold water water outlet branch pipe on every surface cooler respectively, hot water water inlet branch pipe on each surface cooler still is linked together with a hot -water supply main of establishing in the box, cold water water outlet branch pipe on each surface cooler still is linked together with the cold water collecting main that another was established in the box, above -mentioned cold water collecting main links to each other with the cold water pipe that the air conditioner water system was reserved, and hot -water supply main and the continuous circulation circuit who constitutes water of the hot -water line of air conditioner water system reservation. The utility model discloses not only utilize outdoor natural cold source can avoid freeze winter again and bring problems, can satisfy computer room of data center again to temperature, humidity and cleanliness factor requirement simultaneously.
Description
Technical field the utility model relates to a kind of refrigeration unit of cooling system, particularly naturally cools unit.
Background technology is along with the development of internet, and power consumption googol has become an electric-tiger according to center, engulfs a large amount of financial resources and material resources, and this always is the mind pain of every industry or trade and government.Four parts are mainly comprised: information technoloy equipment energy resource consumption, UPS transform energy resource consumption, refrigeration plant energy resource consumption and illumination and VMC energy resource consumption as its energy consumption of data center.Wherein, refrigeration plant energy consumption accounts for 30% of data center's total energy consumption.The Refrigeration Technique of current employing comprises direct-expansion type precision air conditioner unit, centrifugal water cold air conditioning system etc.But also there is respective deficiency in them, direct-expansion type precision air conditioner unit is wherein adopted to be the most traditional method, because unit refrigerating capacity is low, Energy Efficiency Ratio is low, therefore a data center module will install multiple stage, and the installation difficulty of outdoor condenser, when summer, outdoor temperature was higher, shutting down, even appear in refrigerating capacity degradation; Serious tropical island effect be there will be for conventional multilayer telecommunications room; In order to maintain the normal humiture of data center, need to consume a large amount of energy.Centrifugal water cold air conditioning system adopts water-cooled precision air conditioner machine, heart initial stage of building up generally first will install a small-sized screw formula water chiller or air-cooled unit as transition in the data for it, to solve centrifugal chilling unit group incidental surge problems when Smaller load.Be the centrifuge of water cooling air conditioning system more no matter be large-scale, small-sized or screw machine, electric load is all very large, generally also need independently switchgear house supporting with it, this switchgear house and Worm type water-cooled unit one to increase project investment, two is that water chiller equipment is complicated, and maintenance, upkeep cost are higher.Because above-mentioned several mode all exists the higher problem of energy consumption, in order to reduce data center machine room PUE value further, experts scholar just proposes the concept of free cooling (FreeColling).Adopt the main mode of free cooling technology to have two kinds, one is direct air-cooled air conditioning system, and one is water cooling air conditioning system.
Direct air-cooled air conditioning system mainly utilizes the Cryogenic air of winter or spring and autumn outdoor, directly sends into machine room after being filtered.Apparently very simply, cost is also very low, but also there are problems, ensure that the cleanliness factor of air, humidity and temperature will drop into a lot of expense and the energy, and summer also to install independent air-conditioning, therefore in general, the problems of direct air cooling way need to solve.At present, insider generally good heat exchange efficiency is high, system is simple, small investment and the water cooling air conditioning system of good energy-conserving effect, but be-20 ~-30 DEG C in northern area minimum temperature at night in winter, adopt the cooling tower frozen problem of water-cooling pattern can bring many troubles to owner, owner all adds the anti-icing fluid of high concentration in cooling-tower circulating water and pipeline for this reason, it not only increases the investment of proprietor but also also has corrosion to pipeline and equipment, the anti-icing fluid volatilization of the high concentration that the shower water more importantly in cooling tower contains is serious, just cannot judge its concentration after a while, even if therefore added anti-icing fluid system equipment still there is the risk be damaged by frost.
Though summary of the invention the purpose of this utility model is to provide a kind of and utilizes outdoor natural cold source but freezed in winter can be avoided to bring problems, can meet again simultaneously machine room to epidemic disaster and purity requirements be applied to data center cooling system naturally cool unit.This cools unit and centrifugal refrigerating machines composition data center refrigeration system naturally.
The utility model mainly comprises: casing, air-introduced machine, surface-cooler (hereinafter referred to as surface cooler) hot water pipe and switch board.Wherein, casing is the hollow housing having an opening at least, in casing, establish switch board, and box opening end is established the access door of closure of openings.The upper shell of this casing is provided with some through holes, in each through hole, respectively establishes an air-introduced machine be fixed on upper shell.The side body or lower house of this casing are provided with the electric vent chain with air-introduced machine switch, this air port or air grille or air grille, or bar seam air port.Some surface coolers are provided with in casing, this surface cooler can be arranged as required, for increasing surface cooler heat exchange efficiency, best surface cooler is overall parallel with side body and be close to electric vent and arrange, or the integral inclined setting of surface cooler, these surface coolers composition inverted V-shaped or W shape, make same cabinet space heat exchange area increase.Each surface cooler is respectively equipped with hot water water inlet pipe and cold water exit branch, they are arranged with surface cooler inner horizontal respectively and the snakelike heat exchange tube having a fin is connected, the bend pipe at these heat exchanger tube two ends is tilting from the horizontal by certain angle, a high position for bend pipe is positioned at cold water outlet pipe side, and the low level of bend pipe is positioned at hot water inlet pipe side.At the minimum point place of hot water or cold water's arm, all drain valve is set.Hot water water inlet pipe on each surface cooler is also connected with a hot-water supply main be located in casing, is provided with valve between the two, and preferably this hot-water supply main is provided with temperature sensor; Also the cold water main be located in casing is connected cold water exit branch on each surface cooler with another root, is provided with valve between the two, preferably this cold water main is also provided with temperature sensor.Above-mentioned cold water main directly or by the cold water pipe that miscellaneous part is indirectly reserved with air-conditioner water system is connected, and hot-water supply main is direct or be connected by the hot-water line that miscellaneous part is indirectly reserved with air-conditioner water system, forms the closed circuit of water.
The course of work of the present utility model: this unit independent operating in the winter time, when unit operation, blower fan controls to open quantity according to the recirculated water water temperature of temperature sensor monitors, after blower fan is opened, with the air port valve opening of interlock of fan, outdoor cold air is introduced in casing, and becomes hot-air after carrying out heat exchange with the recirculated water in surface cooler and taken away by blower fan again and discharge outside casing, complete the cooling procedure to systemic circulation water.At the spring and autumn that temperature is higher, this unit can with centrifugal chilling unit group with the use of, namely daytime, this unit can use as the forecooler of centrifugal chilling unit group, and to improve the refrigerating efficiency of centrifugal chilling unit group compressor, night, this unit can be used alone.This unit in summer is stopped using, and air-introduced machine and electric vent are in closed condition, forms enclosure space in casing, is conducive to stoping outdoor air to enter casing, prevents outdoor dust and rainwater from entering available protecting equipment in casing simultaneously, extends working time.In addition, because the heat exchanger tube in surface cooler is under the prerequisite ensureing minimum spacing, whole tube bank is adopted to be in tilted layout form, and be provided with drain valve at the lowest part of hot and cold water arm, ensure that the heat exchange area of heat exchanger tube on the one hand, improve heat exchange efficiency, on the other hand, when unit is in inspecting state in the winter time, emptying valve can be opened, water in surface cooler heat exchanger tube and bend pipe is all emptying along gradient under gravity, and when preventing unit not run in the winter time, in heat exchanger tube, particularly pipe bent position emptyingly cannot cause the problem that freezes because of ponding.
The utility model compared with prior art beneficial effect is as follows:
1, version of the present utility model is simple, only has blower fan, surface cooler, electric vent and corresponding control appliance, unobstructed before and after surface cooler, air current composition is smooth, achieve the cooling to recirculated water to the full extent, therefore heat transfer effect is obvious, maintains all very simple.
2, the utility model serviceability temperature scope is wide, can the environmental work of outdoor temperature less than 11 DEG C, the time of about 7 months can be used in northern most area, have the time of about 5 months to can be used alone this naturally to cool unit for system refrigeration duty is provided, conditioning in Transition Season can use as the forecooler of handpiece Water Chilling Units daytime, run under handpiece Water Chilling Units can be made to be in low-power, conditioning in Transition Season can be used alone night, therefore energy-saving effect is obvious, for 1100kw refrigerating capacity, the rated power of handpiece Water Chilling Units is about 300kw, naturally the power of the assembling unit that cools of the present utility model is only 80kw, through statistical computation, adopt during this unit and compare the annual power cost saving more than 1,000,000 yuan of employing handpiece Water Chilling Units.
3, the utility model is compared with the cooling tower form generally adopted at present, cooling water all adopts closed cycle pipeline, directly do not contact with air, reduce the risk freezed winter, do not need in ordinary circumstance recirculated water to add anti-icing fluid, at most only need to add about 10% anti-icing fluid, be not only owner and saved operation and maintenance cost, and the corrosion additionally reduced pipeline and equipment, ensure that system safety operation.
4, the utility model equipment size is little, lightweight, and consumable quantity is few, low cost of manufacture.For 1400kw refrigeration duty, the cooling tower size of prior art is about 8 × 3 × 5 meters, weight of equipment 5t, and operating weight is at 8t, and physical dimension of the present utility model is only 9 × 2.4 × 2.5 meters, weight of equipment 3t, and operating weight, less than 6t, has saved manufacturing cost.
5, in addition, because the utility model utilizes outdoor natural cold source, and within the most of the time, instead of the handpiece Water Chilling Units of high energy consumption, therefore its energy-saving effect is fairly obvious, belongs to energy saving environmental protection product.
Accompanying drawing explanation
Fig. 1 is that the master of the utility model example 1 looks simplified schematic diagram.
Fig. 2 be the utility model example 1 overlook simplified schematic diagram.
Fig. 3 is the A-A view of Fig. 1.
Fig. 4 be the utility model example 2 overlook simplified schematic diagram.
Fig. 5 is the B-B view of Fig. 4.
Fig. 6 is the C-C view of Fig. 5.
Fig. 7 is the utility model surface cooler front view.
Fig. 8 is the utility model surface cooler side view.
Fig. 9 is the D direction view of Fig. 7.
In figure: 1, casing, 2, air-introduced machine, 3, electric vent, 4, switch board, 5, surface cooler, 6, cold water exit branch, 7, hot water water inlet pipe, 8, cold water main, 9, hot-water supply main, 10, access door, 11, temperature sensor, 12, heat exchanger tube, 13, manually-operated gate, 14, drain valve, 15, heat exchanger tube fin.
Detailed description of the invention is in the simplified schematic diagram of a kind of unit of cooling being naturally applied to data center cooling system shown in Fig. 1, Fig. 2 and Fig. 3, casing 1 is located at the hollow housing at length direction two ends for cuboid opening, near casing inner opening end, establish switch board 4, casing two openend is established the access door 10 of closure of openings.The upper shell of casing is provided with 18 through holes, respectively establishes an air-introduced machine 2 be fixed on upper shell in each through hole.The side body of this casing is provided with the blinds electric vent 3 chain with air-introduced machine switch.6 surface coolers 5 are provided with in casing, these surface coolers are overall parallel with side body and be close to electric vent and arrange, in the schematic diagram of the surface cooler of the utility model shown in Fig. 7, Fig. 8 and Fig. 9, each surface cooler is respectively equipped with hot water water inlet pipe 7 and cold water exit branch 6, the snakelike heat exchange tube 12 that they are arranged with surface cooler inner horizontal is respectively connected, with fin 15 on heat exchanger tube, the bend pipe at these heat exchanger tube two ends is tilting from the horizontal by certain angle, a high position for bend pipe is positioned at cold water outlet pipe side, and the low level of bend pipe is positioned at hot water inlet pipe side.At the minimum point place of hot and cold water arm, drain valve 14 is set.Again in figure 3, also the hot-water supply main 9 be located in casing is connected the hot water water inlet pipe on each surface cooler with one, and be provided with manually-operated gate 13 between the two, this hot-water supply main is provided with temperature sensor 11; Also the cold water main 8 be located in casing is connected cold water exit branch on each surface cooler with another root, is provided with manually-operated gate between the two, this cold water main is also provided with temperature sensor.The cold water pipe that above-mentioned cold water main is directly reserved with air-conditioner water system is connected, and the hot-water line that hot-water supply main is directly reserved with air-conditioner water system is connected, and forms the closed circuit of water.
In the simplified schematic diagram of a kind of unit of cooling being naturally applied to data center cooling system shown in Fig. 4, Fig. 5 and Fig. 6, casing 1 is located at the hollow housing of length direction one end for cuboid opening, near casing inner opening end, establish switch board 4, box opening end is established the access door 10 of closure of openings.The upper shell of this casing is provided with 18 through holes, in each through hole, respectively establishes an air-introduced machine 2 be fixed on upper shell.The lower house of this casing is provided with the bar chain with air-introduced machine switch and stitches electric vent 3.In casing, be provided with 6 surface coolers 5, the integral inclined setting of surface cooler, these surface coolers two are one group, and two shell upper ends are connected, and two shell lower ends are connected to form inverted V-shaped with steelframe two ends in casing respectively.
Heat exchanger tube 12 structure of above-mentioned surface cooler inside is same as Example 1, and namely coiled pipe pipe bent position is in tilted layout.Each surface cooler is respectively equipped with hot water water inlet pipe 7 and cold water exit branch 6, the cold water exit branch 6 on each surface cooler is all located at the cold water main 8 closed the one end in casing and is connected with one, be provided with manually-operated gate 13 between the two.Hot water water inlet pipe 7 on each surface cooler is all located at the hot-water supply main 9 closed the one end in casing and is connected with another root, be provided with manually-operated gate 13 between the two.Above-mentioned hot water or cold water's main is equipped with temperature sensor 11.The cold water pipe that above-mentioned cold water main is directly reserved with air-conditioner water system is connected, and the hot-water line that hot-water supply main is directly reserved with air-conditioner water system is connected, and forms the closed circuit of water.
Claims (6)
1. what be applied to data center's refrigeration system cools a unit naturally, it is characterized in that:
Casing is the hollow housing having an opening at least, switch board is established in casing, box opening end is established the access door of closure of openings, the upper shell of this casing is provided with some through holes, an air-introduced machine be fixed on upper shell is respectively established in each through hole, the side body or lower house of this casing are provided with the electric vent chain with air-introduced machine switch, some surface coolers are provided with in casing, each surface cooler is respectively equipped with hot water water inlet pipe and cold water exit branch, they are arranged with surface cooler inner horizontal respectively and the snakelike heat exchange tube having a fin is connected, hot water water inlet pipe on each surface cooler is also connected with a hot-water supply main be located in casing, be provided with valve between the two, also the cold water main be located in casing is connected cold water exit branch on each surface cooler with another root, be provided with valve between the two, above-mentioned cold water main directly or by the cold water pipe that miscellaneous part is indirectly reserved with air-conditioner water system is connected, and hot-water supply main is direct or be connected by the hot-water line that miscellaneous part is indirectly reserved with air-conditioner water system, form the closed circuit of water.
2. the unit of cooling being naturally applied to data center's refrigeration system according to claim 1, it is characterized in that: the bend pipe at these heat exchanger tube two ends is tilting from the horizontal by certain angle, a high position for bend pipe is positioned at cold water outlet pipe side, and the low level of bend pipe is positioned at hot water inlet pipe side.
3. the unit of cooling being naturally applied to data center's refrigeration system according to claim 2, is characterized in that: all arrange drain valve at the minimum point place of hot water or cold water's arm.
4. the unit of cooling being naturally applied to data center's refrigeration system according to claim 3, is characterized in that: hot water or cold water's main is provided with temperature sensor.
5. according to claim 4 be applied to data center's refrigeration system naturally cool unit, it is characterized in that: surface cooler is overall parallel with side body and be close to electric vent and arrange.
6. the unit of cooling being naturally applied to data center's refrigeration system according to claim 4, is characterized in that: the integral inclined setting of surface cooler, these surface coolers composition inverted V-shaped or W shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520393433.8U CN204757218U (en) | 2015-06-08 | 2015-06-08 | Be applied to data center refrigerating system's natural cooling unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520393433.8U CN204757218U (en) | 2015-06-08 | 2015-06-08 | Be applied to data center refrigerating system's natural cooling unit |
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| CN204757218U true CN204757218U (en) | 2015-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520393433.8U Withdrawn - After Issue CN204757218U (en) | 2015-06-08 | 2015-06-08 | Be applied to data center refrigerating system's natural cooling unit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105042734A (en) * | 2015-06-08 | 2015-11-11 | 大连国霖技术有限公司 | Natural cooling unit applied to refrigerating system of data center |
| CN107327911A (en) * | 2017-06-30 | 2017-11-07 | 珠海格力电器股份有限公司 | Air conditioning terminal and the air conditioner with it |
-
2015
- 2015-06-08 CN CN201520393433.8U patent/CN204757218U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105042734A (en) * | 2015-06-08 | 2015-11-11 | 大连国霖技术有限公司 | Natural cooling unit applied to refrigerating system of data center |
| CN105042734B (en) * | 2015-06-08 | 2018-01-05 | 大连国霖技术有限公司 | A kind of natural cooling unit applied to data center's refrigeration system |
| CN107327911A (en) * | 2017-06-30 | 2017-11-07 | 珠海格力电器股份有限公司 | Air conditioning terminal and the air conditioner with it |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151111 Effective date of abandoning: 20180105 |