CN102252384A - Station energy-saving cooling device having redundancy function - Google Patents
Station energy-saving cooling device having redundancy function Download PDFInfo
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- CN102252384A CN102252384A CN2011100986322A CN201110098632A CN102252384A CN 102252384 A CN102252384 A CN 102252384A CN 2011100986322 A CN2011100986322 A CN 2011100986322A CN 201110098632 A CN201110098632 A CN 201110098632A CN 102252384 A CN102252384 A CN 102252384A
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Abstract
The invention discloses a station energy-saving cooling device having a redundancy function. The station energy-saving cooling device comprises an outdoor cold absorbing system, a heat pump type refrigerating system and an indoor cooling system. All the systems share one water storage tank, and the water storage tank has the usable capacity L so as to load a refrigerating medium with the mass M calculated according to the formula as follows: M>=Pt/JdeltaT, wherein P is total heating power of the devices in machine room, t is emergency time, J is specific heat capacity of the refrigerating medium, and deltaT is working temperature difference. The cooling system disclosed by the invention has the redundancy function, thus the reliability of the cooling system is enhanced to result in more stable operation of the devices. Besides, an expensive backup heat pump type air conditioner can be omitted to lower the investment cost of a machine room.
Description
Technical field the present invention relates to a kind of air temperature modification equipment.
Background technology is at equipment machine rooms such as telecommunications, mobile phones, because equipment work meeting heating needs for a long time air in the machine room to be regulated, to help apparatus cools, makes the equipment working stability.Because this kind equipment needs continuous operation, so the functional reliability of cooling device is also had certain redundancy requirement.According to prior art, generally be to adopt two heat pump air conditioners, when wherein a contingency breaks down, start another in support, obviously such shortcoming is to have increased cost greatly.And, if the mains supply outage occurs, the equipment of machine room self all disposes backup battery and can keep equipment and work on a period of time, but the heat pump air conditioner power consumption is very big, obviously can't keep work by backup battery, this will cause machine room to lose refrigerating function, and equipment work meeting is caused certain influence.Existing some power-saving technologies in addition adopt and utilize the energy-conservation cooling system of outdoor cold source to replenish refrigerating function, reach energy-saving effect.The energy-conservation cooling system of this class has generally comprised outdoor radiator, pump, and refrigerating medium (as water), storage tank, indoor heat dump and blower fan, when outside air temperature was low, the outer low-temperature receiver of absorption chamber came room air is cooled off.But this class power-saving technology does not possess the Redundancy Design that can guarantee base station equipment is continued cooling when the system failure or grid power blackout too.
So present base station cooling device does not all possess the redundancy feature of cooling effect, except guaranteeing that as far as possible power supply is normal, still there is not correlation technique to solve this problem.
Summary of the invention the present invention seeks to disclose a kind of cooling device of machine room, and it has redundancy feature, when breakdown of refrigeration system or outage, still has certain crash time to keep machine room is proceeded cooling work.
The present invention includes outdoor suction cooling system, heat pump type refrigerating system and indoor cooling system, outdoor suction cooling system comprises outdoor heat converter, outdoor water pump and storage tank, indoor cooling system comprises storage tank, indoor water pump and indoor heat converter, the shared storage tank of outdoor suction cooling system and indoor cooling system, the heat pump type refrigerating system comprises compressor, be arranged on outdoor condenser and be arranged on the evaporimeter of storage tank the inside; It is characterized in that: described storage tank has dischargeable capacity L, makes storage tank can be mounted with the refrigerating medium that quality is M, and the mass M of refrigerating medium is calculated according to following formula: M 〉=Pt/J Δ T;
Wherein P is the total heating power of equipment in the machine room; The crash time of t for setting also is the redundancy of cooling system, is for the time of staff from learning that refrigeration plant work is undesired and carry out emergency processing; J is the specific heat capacity of refrigerating medium, if refrigerating medium adopts water, then J equals 4.18; Δ T is the work temperature difference, i.e. the maximum operating temperature of refrigerating medium setting and machine room are set the temperature difference of operating temperature; So above-mentioned formula can be expressed as: the mass M of refrigerating medium is not less than " product of total heating power P of equipment and crash time t in the machine room is divided by the specific heat capacity J of refrigerating medium and the product of work temperature difference T ".
For a definite machine room and cover cooling system of the present invention, the total heating power P of equipment, refrigerating medium specific heat capacity J, work temperature difference T determine, and crash time t can set.Obviously, make the emergency time have practical significance, t should be set in more than the several hrs at least.If but that t sets is excessive, both meaninglessly also can cause compact water storage tank and pressure excessive, suitable t can be more than several hours and in 12 hours.Only scheme, t equals the time that the machine room backup battery can provide emergency power supply to calculator room equipment.Such as, according to the operated by rotary motion of unserviced machine room, backup battery can provide 6 hours emergency power supply to calculator room equipment when grid cut-off, and so, t just got 6 hours.
Indoor cooling system with electric component, be connected with stand-by power supply.These electric components comprise indoor water pump, cooperate the fan of indoor heat converter work, reach control circuit.The power of these electric components is very little, can oneself match independently back-up source, also can be connected to the backup battery that the original supply equipment of machine room uses.
The present invention is because storage tank has the volume of special meaning, stored refrigerating medium, have the enough storages and the ability of release heat, no matter be outdoor suction cooling system or the heat pump type refrigerating system breaks down, or even the both can't work, still can work at the emergency time inner room internal cooling system of setting, stored refrigerating medium continues to carry out cooling work to machine room in the dependence storage tank, has realized the redundancy feature of cooling system.Because the electric component of the little indoor cooling system of power consumption connects back-up source, even during the mains supply outage, can also rely on back-up source to give the electric component power supply of indoor cooling system, the holding chamber internal cooling system works on.So the present invention helps improving the reliability of cooling system, make equipment work more stable.And can save the reserve heat pump air conditioner of a costliness, reduced the cost of investment of machine room.
Description of drawings Fig. 1 is a structural principle schematic diagram of the present invention.
With reference to the accompanying drawings, embodiments of the invention are described below the specific embodiment.
The present invention includes outdoor suction cooling system, heat pump type refrigerating system and indoor cooling system, outdoor suction cooling system comprises outdoor heat converter 1, outdoor water pump 2 and storage tank 3, indoor cooling system comprises storage tank 3, indoor water pump 4 and indoor heat converter 5, the shared storage tank 3 of outdoor suction cooling system and indoor cooling system, the heat pump type refrigerating system comprises compressor 6, be arranged on outdoor condenser 7 and be arranged on the evaporimeter 8 of storage tank 3 the insides; Outdoor heat converter 1 and condenser 7 have fan 9 to help heat radiation, and indoor heat converter 5 also has fan 10 to help heat radiation.Storage tank 3 adopts plastic plate to make, and the outside has heat-insulation and heat-preservation handles, and refrigerating medium 11 is equipped with in the inside, and refrigerating medium 11 can adopt water to add the anti-icing fluid composition, prevents from winter to freeze outdoor.Adopt insulating tube 12 to connect between the parts of each system by accompanying drawing.
System has control circuit and comes the temperature of testing environment and each point of system and with this each electric component is controlled.Main control function comprises: 1, detect the indoor temperature of machine room, if indoor temperature is higher than the machine room work temperature 0 (such as 26 ℃) of setting, the then work of priming chamber internal cooling system, indoor water pump 4 flows refrigerating medium between storage tank 3 and indoor heat-exchange device 5, cool off by 5 pairs of room airs of heat-exchange device, when indoor temperature is lower than setting work temperature 0, close chamber's internal cooling system.General indoor heat-exchange device 5 also is provided with radiator fan 10, improves heat exchanger effectiveness.2, the 1st work temperature 1 that is higher than setting when the temperature of the refrigerating medium 11 of storage tank 3, and outside air temperature is lower, (bigger) with the temperature difference of T1, then priming chamber is inhaled cooling system outward and is carried out work, outdoor water pump 2 flows refrigerating medium between storage tank 3 and outdoor heat-exchange device 1, take away the heat of storage tank refrigerating medium by the heat radiation of outdoor heat-exchange device 1, reduce the temperature of refrigerating medium.Be equivalent to outdoor low-temperature receiver is stored in the storage tank refrigerating medium.Outdoor heat-exchange device 1 also is provided with radiator fan 9 to improve radiating efficiency.3, the 1st work temperature 1 that is higher than setting when the temperature of the refrigerating medium of storage tank, but outside air temperature is higher, (too little) with the temperature difference of T1, effect can't be worked or work to outdoor suction cooling system when relatively poor, at this moment the temperature of refrigerating medium will rise, when the temperature of refrigerating medium rises to the 2nd work temperature 2 that is higher than setting, then start the heat pump type refrigerating system, the heat pump refrigerating system that includes compressor 6, is arranged on outdoor condenser 7 and is arranged on the evaporimeter 8 of storage tank refrigerating medium 11 the insides starts working, and makes the refrigerating medium cooling by evaporimeter 8 heat absorptions.The heat exchanger 1 of outdoor suction cooling system of the present invention and the condenser of heat pump refrigerating system 7 shared fans 9 are to save parts.
Like this, outdoor suction cooling system and heat pump refrigerating system cooperating make the temperature of storage tank 3 the inside refrigerating mediums 11 remain on the 2nd work temperature below 2 all the time.Even at a time, the heat pump type refrigerating system breaks down, and outside air temperature is not suitable for the work (such as the daytime in summer) of outdoor suction cooling system, and storage tank 3 stored refrigerating mediums 11 also can make indoor cooling system work on machine room is cooled off, and realizes the redundancy feature of system.And the 2nd work temperature 2 refrigerating medium maximum operating temperature just, it and machine room are set the temperature difference of operating temperature, the temperature difference of just working T.Specifically how to realize these control functions as for control circuit, belong to the ordinary skill of electronic technology field.
Being provided with of the 1st work temperature 1 is more lower slightly than the 2nd work temperature 2, and (such as low 2 ℃) make outdoor suction cooling system have the priority of startup work than heat-pump-type refrigeration system.In other words, when the refrigerating medium of storage tank need be lowered the temperature, as long as outside air temperature is fit to outdoor suction cooling system work, the work that then always first priming chamber is inhaled cooling system outward, only can't work or work effect when not enough, just start the heat pump type refrigerating system and freeze in outdoor refrigeration system.Like this, can utilize outdoor cold source more fully.
Indoor cooling system with electric component, be connected with stand-by power supply.These electric components comprise indoor water pump 4, cooperate the fan 10 of indoor heat converter work, and the control circuit of auxiliary work.Because the power of these electric components is very little, can oneself match independently back-up source, also can be connected to the backup battery that the original supply equipment of machine room uses.
Claims (3)
1. energy-conservation cooling device in machine station with redundancy feature, comprise outdoor suction cooling system, heat pump type refrigerating system and indoor cooling system, outdoor suction cooling system comprises outdoor heat converter, outdoor water pump and storage tank, indoor cooling system comprises storage tank, indoor water pump and indoor heat converter, the shared storage tank of outdoor suction cooling system and indoor cooling system, the heat pump type refrigerating system comprises compressor, be arranged on outdoor condenser and be arranged on the evaporimeter of storage tank the inside; It is characterized in that: described storage tank has dischargeable capacity L, makes storage tank can be mounted with the refrigerating medium that quality is M, and the mass M of refrigerating medium is calculated according to following formula: M 〉=Pt/J Δ T; Wherein P is the total heating power of equipment in the machine room, and t is the crash time, and J is the specific heat capacity of refrigerating medium, and Δ T is the work temperature difference.
2. a kind of energy-conservation cooling device in machine station with redundancy feature according to claim 1, it is characterized in that: described crash time t equals the time that the machine room backup battery can provide emergency power supply to calculator room equipment.
3. a kind of energy-conservation cooling device in machine station with redundancy feature according to claim 1 is characterized in that: indoor cooling system with electric component, be connected with stand-by power supply.
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| CN2011100986322A CN102252384A (en) | 2011-04-16 | 2011-04-16 | Station energy-saving cooling device having redundancy function |
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| CN2011100986322A CN102252384A (en) | 2011-04-16 | 2011-04-16 | Station energy-saving cooling device having redundancy function |
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| CN102252384A true CN102252384A (en) | 2011-11-23 |
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| CN2011100986322A Pending CN102252384A (en) | 2011-04-16 | 2011-04-16 | Station energy-saving cooling device having redundancy function |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103528150A (en) * | 2013-10-17 | 2014-01-22 | 江苏香江科技股份有限公司 | Energy-saving integrated air conditioner for communication machine room |
| CN103673367A (en) * | 2013-12-08 | 2014-03-26 | 合肥天鹅制冷科技有限公司 | Forced circulation refrigerating system |
| CN107934229A (en) * | 2017-12-22 | 2018-04-20 | 南京工业大学 | Fresh food storage box using semiconductor refrigeration and vortex tube refrigeration for energy charging |
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| GB2449498A (en) * | 2007-05-25 | 2008-11-26 | Stephen Edward Ellwood | Heating system for retrofitting to a building |
| CN201311124Y (en) * | 2008-12-12 | 2009-09-16 | 宾肯科技(北京)有限公司 | Air conditioner specially used for naturally cooling double cold source machine room |
| CN201522045U (en) * | 2009-10-21 | 2010-07-07 | 山东安赛尔环境控制有限公司 | Double-cold source air conditioning unit |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2335071Y (en) * | 1998-05-20 | 1999-08-25 | 苏雷虹 | Double-medium energy-storage split air conditioner |
| CN1479043A (en) * | 2002-08-29 | 2004-03-03 | 缪国良 | Water circulation energy saving air conditioner |
| GB2449498A (en) * | 2007-05-25 | 2008-11-26 | Stephen Edward Ellwood | Heating system for retrofitting to a building |
| CN201311124Y (en) * | 2008-12-12 | 2009-09-16 | 宾肯科技(北京)有限公司 | Air conditioner specially used for naturally cooling double cold source machine room |
| CN201522045U (en) * | 2009-10-21 | 2010-07-07 | 山东安赛尔环境控制有限公司 | Double-cold source air conditioning unit |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103528150A (en) * | 2013-10-17 | 2014-01-22 | 江苏香江科技股份有限公司 | Energy-saving integrated air conditioner for communication machine room |
| CN103673367A (en) * | 2013-12-08 | 2014-03-26 | 合肥天鹅制冷科技有限公司 | Forced circulation refrigerating system |
| CN107934229A (en) * | 2017-12-22 | 2018-04-20 | 南京工业大学 | Fresh food storage box using semiconductor refrigeration and vortex tube refrigeration for energy charging |
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Application publication date: 20111123 |