CN104729129A - Direct-cooling air condition system of substation machine room - Google Patents
Direct-cooling air condition system of substation machine room Download PDFInfo
- Publication number
- CN104729129A CN104729129A CN201310706950.1A CN201310706950A CN104729129A CN 104729129 A CN104729129 A CN 104729129A CN 201310706950 A CN201310706950 A CN 201310706950A CN 104729129 A CN104729129 A CN 104729129A
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- machine room
- evaporimeter
- air
- conditioning system
- transformer station
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- 238000001816 cooling Methods 0.000 title claims abstract description 96
- 238000004378 air conditioning Methods 0.000 claims description 48
- 230000008676 import Effects 0.000 claims description 3
- 238000005057 refrigeration Methods 0.000 abstract description 10
- 238000010438 heat treatment Methods 0.000 abstract description 5
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/06—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the arrangements for the supply of heat-exchange fluid for the subsequent treatment of primary air in the room units
- F24F3/065—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the arrangements for the supply of heat-exchange fluid for the subsequent treatment of primary air in the room units with a plurality of evaporators or condensers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention provides a direct-cooling air condition system of a substation machine room. The direct-cooling air condition system of the substation machine room comprises a compressor, a condenser and a tail end cooling device which are communicated in sequence, wherein the tail end cooling device comprises a plurality of evaporators. The direct-cooling air condition system of the substation machine room further comprises an air flue, wherein air inlets of the air flue are communicated with a plurality of air outlets of the plurality of the evaporators, the air flue is provided with a plurality of air inlets, and the plurality of the air inlets are communicated with the plurality of the air outlets of the plurality of the evaporators in one to one correspondence. According to the direct-cooling air condition system of the substation machine room, cold air of the tail end cooling device is transported to the air flue directly, the air flue cools a heating machine cabinet directly, and thereby faces an object directly without need of cooling other spaces between equipments, and therefore the cooling area of an air conditioner is decreased, cooling load is reduced, and cooling efficiency of refrigeration cycles is improved.
Description
Technical field
The present invention relates to field of cooling, especially, relate to a kind of transformer station machine room direct-cooling air conditioning system.
Background technology
" energy-saving and emission-reduction " are the fundamental state policies of China.At present generally use the air-conditioning of the mode such as cabinet type machine room air conditioner or VRV multi-connected machine to carry out temperature control to machine room space at typical substation equipment machine room (communications equipment room, monitoring room, battery room), thus provide suitable running temperature environment for being placed on the equipment such as Control on Communication in this room.The whole nation is dispersed with the transformer station of One's name is legion, and corresponding air conditioning energy consumption takes care of the pence, and totally defines an energy consumption classification that can not be ignored.
At present at the room air conditioner being common version of the actual use of substation equipment machine room.Scan the investigation of related data document and practical situations, existing energy saving research and application main in three: one is select the high air conditioner, two of Energy Efficiency Ratio to be that use management means or the supplementary means that automatically controls reduce air-conditioning excessively to run (reasonable set temperature and the reasonably combined operation of multiple stage air conditioner), three be that reasonable Arrangement indoor apparatus of air conditioner layout is to optimize the air current composition in machine room.We are not difficult to find, these means are the universal means of common buildings air conditioner energy saving in fact.Scan and be existingly applied in air-conditioning kind in equipment machine room and various power-economizing method, their common ground is with vapor-compression refrigerant cycle, sentence air supply mode at indoor set and provide cold towards the whole space of machine room, the equipment room ground connection be in room obtains the cooling be suitable for from building environment.The air conditioning area of this air supply mode is whole transformer station machine room, instead of directly towards the equipment needing cooling, air conditioning area certainly will be made to expand, thus cause energy waste.
Efficient cooling system should be highly effective refrigeration and efficiently send cold combination, and in the air-conditioning of traditional approach, refrigeration link is comparatively efficient, and " send cold " this link of namely conducting heat extensive really, inefficiency.At present in the urgent need to improving the efficiency sending cold process with new technological means, improve the utilization rate of refrigerating capacity, this is uncared-for, the investigation and application direction with huge energy-saving potential always beyond doubt.
Summary of the invention
The object of the invention is to provide a kind of transformer station machine room direct-cooling air conditioning system, to solve the inefficient technical problem of air-supply.
For achieving the above object, the invention provides a kind of transformer station machine room direct-cooling air conditioning system, comprise the compressor, condenser, the end cooling device that are communicated with successively; End cooling device comprises multiple evaporimeter; Transformer station's machine room direct-cooling air conditioning system also comprises air channel, and the air inlet in air channel is connected with multiple air outlets of multiple evaporimeter, and air channel has multiple import, and multiple air inlet is communicated with correspondingly with multiple air outlets of multiple evaporimeter.
Further, transformer station's machine room direct-cooling air conditioning system also comprises the restricting element be arranged between condenser and end cooling device.
Further, end cooling device also comprises flow control valve, flow control valve and evaporator series and/or in parallel.
Further, multiple evaporator series is arranged.
Further, end cooling device comprises the multiple evaporator module be arranged in series, each evaporator module comprises evaporimeter branch road parallel with one another and bypass branch, evaporimeter branch road and bypass Zhi Lu Zhuo are provided with flow control valve, and multiple evaporimeter is separately positioned in the evaporimeter branch road of each evaporator module.
Further, multiple evaporimeter is arranged in parallel.
Further, multiple evaporimeter series-parallel connection is arranged.
Further, evaporimeter and condenser are provided with supporting blower fan.
Further, evaporimeter and compressor outlet place are provided with temperature sensor.
Further, evaporimeter and compressor outlet place are provided with pressure sensor.
The present invention has following beneficial effect:
The direct Cooling Air-conditioning System of the present invention is by being delivered directly in air channel by the cold air of end cooling device; directly heating rack is cooled by air channel, i.e. direct object-oriented, without the need to cooling other spaces of equipment room; decrease air-conditioning film-cooled heat, reduce refrigeration duty; Improve the refrigerating efficiency of kind of refrigeration cycle.
Except object described above, feature and advantage, the present invention also has other object, feature and advantage.Below with reference to figure, the present invention is further detailed explanation.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 becomes transformer station's machine room direct-cooling air conditioning system structural representation according to the tandem of transformer station of the present invention machine room direct-cooling air conditioning system;
Fig. 2 becomes transformer station's machine room direct-cooling air conditioning system structural representation according to the tandem of the band bypass pipe of transformer station of the present invention machine room direct-cooling air conditioning system;
Fig. 3 is the parallel change transformer station machine room direct-cooling air conditioning system structural representation according to transformer station of the present invention machine room direct-cooling air conditioning system; And
Fig. 4 becomes transformer station's machine room direct-cooling air conditioning system structural representation according to the series parallel type of transformer station of the present invention machine room direct-cooling air conditioning system.
Reference numeral in accompanying drawing is as follows: 10, compressor; 20, condenser; 30, blower fan; 40, restricting element; 50, evaporimeter; 60, air channel; 70, flow control valve.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention are described in detail, but the multitude of different ways that the present invention can be defined by the claims and cover is implemented.
See Fig. 1 to Fig. 4, according to transformer station of the present invention machine room direct-cooling air conditioning system, comprising: the compressor 10 be communicated with successively, condenser 20, end cooling device; End cooling device comprises multiple evaporimeter 50; Transformer station's machine room direct-cooling air conditioning system also comprises air channel 60, and the air inlet in air channel 60 is connected with multiple air outlets of multiple evaporimeter 50, and air channel 60 has multiple import, and multiple air inlet is communicated with correspondingly with multiple air outlets of multiple evaporimeter 50.The air outlet of the evaporimeter in end cooling device is connected with air channel, and air channel is directly connected with the air inlet of rack.Namely evaporimeter air-out directly enters the air inlet of rack heat-producing device.The direct Cooling Air-conditioning System of the present invention is by being delivered directly in air channel by the cold air of end cooling device; directly heating rack is cooled by air channel, i.e. direct object-oriented, without the need to cooling other spaces of equipment room; decrease air-conditioning film-cooled heat, reduce refrigeration duty; Improve the refrigerating efficiency of kind of refrigeration cycle.
See Fig. 1 to Fig. 4, transformer station's machine room direct-cooling air conditioning system also comprises the restricting element 40 be arranged between condenser 20 and end cooling device.Transformer station's machine room direct-cooling air conditioning system also comprises the restricting element 40 be arranged between condenser 20 and end cooling device.End cooling device comprises multiple evaporimeter 50.End cooling device also comprises flow control valve 70, and flow control valve 70 is connected with evaporimeter 50 and/or parallel connection.Multiple evaporimeter 50 is arranged in series.Transformer station's machine room direct-cooling air conditioning system comprises the multiple evaporator module be arranged in series, each evaporator module comprises evaporimeter branch road parallel with one another and bypass branch, evaporimeter branch road and bypass Zhi Lu Zhuo are provided with flow control valve 70, and multiple evaporimeter 50 is separately positioned in the evaporimeter branch road of each evaporator module.Multiple evaporimeter 50 is arranged in parallel.Multiple evaporimeter 50 series-parallel connection is arranged.Evaporimeter 50 and condenser 20 are provided with supporting blower fan 30.Native system also controls the aperture of flow automatic regulation control valve 70, the power of blower fan 30 by computer control system, thus meets the needs of heat-producing device cooling better, obtains the energy-saving potential of system to greatest extent simultaneously.
Evaporimeter 50 and compressor 10 exit are provided with temperature sensor.Evaporimeter 50 and compressor 10 exit are provided with pressure sensor.
See Fig. 1, pure tandem becomes transformer station's machine room direct-cooling air conditioning system and comprises compressor 10, condenser 20, blower fan 30, restricting element 40, two or more end cooling devices.Compressor is connected with condenser, restricting element, end cooling device successively.End cooling device comprises evaporimeter 50 and blower fan 30.End equipment cold wind directly sends into air channel 60, is blown directly to rack by air channel.
See Fig. 2, the tandem of band bypass pipe becomes transformer station's machine room direct-cooling air conditioning system and comprises compressor 10, condenser 20, blower fan 30, restricting element 40, two or more end cooling devices.Compressor is connected with condenser, restricting element, end cooling device successively.End cooling device comprises evaporimeter 50 and blower fan 30.Evaporimeter 50 front end and by-pass line section are provided with flow control valve 70.End equipment cold wind directly sends into air channel 60, is blown directly to rack by air channel.
See Fig. 3, parallel change transformer station machine room direct-cooling air conditioning system comprises compressor 10, condenser 20, blower fan 30, restricting element 40, two or more end cooling devices.Compressor 10 is connected with condenser 20, restricting element 40, end cooling device successively.End cooling device comprises evaporimeter 50 and blower fan 30.Evaporimeter 50 front end by-pass line section is provided with flow control valve 70.End equipment cold wind directly sends into air channel 60, is blown directly to rack by air channel.
See Fig. 4, series parallel type becomes transformer station's machine room direct-cooling air conditioning system and comprises compressor 10, condenser 20, blower fan 30, restricting element 40, two or more end cooling devices.Compressor is connected with condenser, restricting element, end cooling device successively.End cooling device comprises evaporimeter 50 and blower fan 30.Evaporimeter 50 front end by-pass line section is provided with flow control valve 70.End equipment cold wind directly sends into air channel 60, is blown directly to rack by air channel.
End cooling device can adopt full air return system, and namely the air inlet of evaporimeter 50 is connected by pipeline with the air outlet of rack, thus forms the air return system closed.
Cold-producing medium absorbs the heat that machine room rack heat-producing device sends in evaporimeter 50; In condenser 20, by heat dissipation to outdoor environment.When end cooling device adopts the connected mode of pure series connection, blown connecting in logic in air channel under the evaporimeter of restricting element is arranged in the larger rack row of caloric value, and then cooling machine cabinet equipment; When adopting the connected mode of the band series connection of bypass pipe or parallel connection, can by each evaporimeter in order or the physical connection of backward arrange, controlled the refrigerant flow of each evaporimeter by adjust flux control valve and evaporator fan; When adopting the connected mode of series-parallel connection, the layout of evaporimeter is more flexible.Evaporimeter is connected with the rack lower air duct of required cooling, and then is directly cooled heating electric subset by air channel, reduces air conditioning area, reduces refrigeration duty; The OO cooling of evaporimeter, makes the running environment control accuracy of electronic equipment higher, reaches the object of electronic equipment longer service life.
As can be seen from the above description, the above embodiments of the present invention achieve following technique effect:
The direct Cooling Air-conditioning System of the present invention is by being delivered directly in air channel by the cold air of end cooling device; directly heating rack is cooled by air channel, i.e. direct object-oriented, without the need to cooling other spaces of equipment room; decrease air-conditioning film-cooled heat, reduce refrigeration duty; Improve the refrigerating efficiency of kind of refrigeration cycle.Adopt multiple flexible connected mode, be applicable to different scales, different types of substation equipment machine room cooling system is arranged; The rack different to caloric value carries out the environmental Kuznets Curves precision that direct distributed cooling can improve heat-producing device, thus extension device service life.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. transformer station's machine room direct-cooling air conditioning system, is characterized in that, comprising:
The compressor (10) be communicated with successively, condenser (20), end cooling device;
Described end cooling device comprises multiple evaporimeter (50);
Described transformer station machine room direct-cooling air conditioning system also comprises air channel (60), the air inlet in described air channel (60) is connected with multiple air outlets of described multiple evaporimeter (50), described air channel (60) has multiple import, and described multiple air inlet is communicated with correspondingly with multiple air outlets of described multiple evaporimeter (50).
2. transformer station according to claim 1 machine room direct-cooling air conditioning system, is characterized in that,
Also comprise the restricting element (40) be arranged between described condenser (20) and described end cooling device.
3. transformer station according to claim 1 and 2 machine room direct-cooling air conditioning system, is characterized in that,
Described end cooling device also comprises flow control valve (70), and described flow control valve (70) is connected with described evaporimeter (50) and/or parallel connection.
4. transformer station according to claim 3 machine room direct-cooling air conditioning system, is characterized in that,
Multiple described evaporimeter (50) is arranged in series.
5. transformer station according to claim 3 machine room direct-cooling air conditioning system, is characterized in that,
Described end cooling device comprises the multiple evaporator module be arranged in series, each described evaporator module comprises evaporimeter branch road parallel with one another and bypass branch, described evaporimeter branch road and bypass Zhi Lu Zhuo are provided with flow control valve (70), and described multiple evaporimeter (50) is separately positioned in the evaporimeter branch road of each described evaporator module.
6. transformer station according to claim 3 machine room direct-cooling air conditioning system, is characterized in that,
Multiple described evaporimeter (50) is arranged in parallel.
7. transformer station according to claim 3 machine room direct-cooling air conditioning system, is characterized in that,
Multiple described evaporimeter (50) series-parallel connection is arranged.
8. transformer station according to claim 1 machine room direct-cooling air conditioning system, is characterized in that,
Described evaporimeter (50) and described condenser (20) are provided with supporting blower fan (30).
9. transformer station according to claim 1 machine room direct-cooling air conditioning system., it is characterized in that,
Described evaporimeter (50) and described compressor (10) exit are provided with temperature sensor.
10. transformer station according to claim 1 machine room direct-cooling air conditioning system, is characterized in that,
Described evaporimeter (50) and described compressor (10) exit are provided with pressure sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310706950.1A CN104729129A (en) | 2013-12-19 | 2013-12-19 | Direct-cooling air condition system of substation machine room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310706950.1A CN104729129A (en) | 2013-12-19 | 2013-12-19 | Direct-cooling air condition system of substation machine room |
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| Publication Number | Publication Date |
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| CN104729129A true CN104729129A (en) | 2015-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310706950.1A Pending CN104729129A (en) | 2013-12-19 | 2013-12-19 | Direct-cooling air condition system of substation machine room |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108613581A (en) * | 2018-05-02 | 2018-10-02 | 芜湖众梦电子科技有限公司 | A kind of special-shaped efficient radiating apparatus of automobile die |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001086217A1 (en) * | 2000-05-09 | 2001-11-15 | Toc Technology, Llc | Computer rack heat extraction device |
| US20040020225A1 (en) * | 2002-08-02 | 2004-02-05 | Patel Chandrakant D. | Cooling system |
| WO2008127344A1 (en) * | 2006-06-15 | 2008-10-23 | Martini Valan R | Energy saving system and method for cooling computer data center and telecom equipment |
| CN101305647A (en) * | 2005-11-11 | 2008-11-12 | 尤尼弗莱尔股份有限公司 | Cooling system for a room containing electronic data processing equipment |
| CN201265975Y (en) * | 2008-08-05 | 2009-07-01 | 艾默生网络能源有限公司 | Air conditioner used for high heat density surroundings |
| CN101487640A (en) * | 2009-02-16 | 2009-07-22 | 浙江大学 | Distributed cooling system for mobile communication base station equipment |
| WO2010131954A1 (en) * | 2009-05-11 | 2010-11-18 | Imtech Nederland B.V. | Data centre |
| CN203353015U (en) * | 2013-02-06 | 2013-12-18 | 上海电信工程有限公司 | Energy saving system of communication machine room |
-
2013
- 2013-12-19 CN CN201310706950.1A patent/CN104729129A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001086217A1 (en) * | 2000-05-09 | 2001-11-15 | Toc Technology, Llc | Computer rack heat extraction device |
| US20040020225A1 (en) * | 2002-08-02 | 2004-02-05 | Patel Chandrakant D. | Cooling system |
| CN101305647A (en) * | 2005-11-11 | 2008-11-12 | 尤尼弗莱尔股份有限公司 | Cooling system for a room containing electronic data processing equipment |
| WO2008127344A1 (en) * | 2006-06-15 | 2008-10-23 | Martini Valan R | Energy saving system and method for cooling computer data center and telecom equipment |
| CN201265975Y (en) * | 2008-08-05 | 2009-07-01 | 艾默生网络能源有限公司 | Air conditioner used for high heat density surroundings |
| CN101487640A (en) * | 2009-02-16 | 2009-07-22 | 浙江大学 | Distributed cooling system for mobile communication base station equipment |
| WO2010131954A1 (en) * | 2009-05-11 | 2010-11-18 | Imtech Nederland B.V. | Data centre |
| CN203353015U (en) * | 2013-02-06 | 2013-12-18 | 上海电信工程有限公司 | Energy saving system of communication machine room |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108613581A (en) * | 2018-05-02 | 2018-10-02 | 芜湖众梦电子科技有限公司 | A kind of special-shaped efficient radiating apparatus of automobile die |
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