CN103153032B - Integrated temperature control balance rack - Google Patents

Integrated temperature control balance rack Download PDF

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Publication number
CN103153032B
CN103153032B CN201310094094.9A CN201310094094A CN103153032B CN 103153032 B CN103153032 B CN 103153032B CN 201310094094 A CN201310094094 A CN 201310094094A CN 103153032 B CN103153032 B CN 103153032B
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China
Prior art keywords
evaporator
temperature sensor
air
temperature control
condenser
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Expired - Fee Related
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CN201310094094.9A
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Chinese (zh)
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CN103153032A (en
Inventor
熊志才
朱德意
余学龙
程大勇
徐新辉
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HANGZHOU HANCHAO TECHNOLOGY Co Ltd
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HANGZHOU HANCHAO TECHNOLOGY Co Ltd
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Expired - Fee Related legal-status Critical Current
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Abstract

The invention discloses a kind of integrated temperature control balance rack, comprise device in several cabinet walls and rack, at least one described cabinet walls is outer wall, the three-decker of integrated temperature control balance sysmte and inwall composition, air door is provided with between inner and outer wall, air door is connected with and controls door opening or dead motor, described integrated temperature control balance sysmte comprises outer blower fan, external temperature sensor, condenser, inner blower, internal temperature sensor, controller, evaporator temperature sensor and evaporator, described external temperature sensor, internal temperature sensor and evaporator temperature sensor are electrically connected with controller respectively, connected by connecting tube between described condenser and evaporator.The present invention intelligence can switch between new wind, heat exchanger, heating, air conditioner refrigerating, thus obtains optimum control result, and heat exchange efficiency is high, low-carbon environment-friendly, electricity saving and energy saving, dust-proof, good water-proof effect.

Description

Integrated temperature control balance rack
Technical field
The present invention relates to rack intelligent temperature control technical field, refer in particular to a kind of integrated temperature control balance rack.
Background technology
At present, the heat extraction heat dispersal situations of communication, electric power, environmental protection rack is being seen, is mainly containing following mode:
1, the mode of direct ventilation heat exchange is adopted.The advantage of the method is that structure is simple, cheap, energy consumption is lower, shortcoming is that cooling effect is poor, often even harmful charged particle that is dirty in environment, moist, corrosion is together brought in rack, cause the phenomenons such as the electric shock of electric equipment, short circuit, temperature control requirement cannot be met when equipment heat density is higher and ambient temperature is higher, under some rugged environment, direct ventilation heat exchange is worthless often.
2, the mode of thermoelectric cooling is adopted.Thermoelectric cooling also claims semiconductor refrigerating, cardinal principle is the migration transfer energy by electronics, whole system does not have compressor and cold-producing medium, the structure comparison of air-conditioning is compact, control also more convenient, but its shortcoming to be refrigerating capacity less, the COP (conversion ratio between energy and heat, be called for short heating energy efficiency ratio) lower, often can not meet the requirement of maximization, medium-sizedization equipment, system, subsystem refrigeration.
3, the mode of common air-conditioning is adopted.Common air-conditioning device divides from use occasion: family expenses, commercialization, from refrigerant point air cooling, water-cooled, air-cooled etc., the object mainly people of its service, design and develop with the requirement of satisfied different personnel's his-and-hers watches skin sense comfort level, require to be no more than 40 DEG C, the local use preferably of outdoor ventilation condition, to facilitate the heat exchange of heat exchanger in air ambient temperature.But the condenser of these air conditioners is separated with interior machine usually, causes its volume too huge, install extremely inconvenient, key is not suitable for complicated natural environment.
4, the form of traditional cabinet air conditioner is adopted.Traditional cabinet air conditioner was through the development of domestic several years, the technical staff of domestic-developed outdoor cabinet is to shell structure on the basis of normal domestic use air-conditioning, internal mechanism is simply recombinated, due to thermal engineering and fluid mechanics, the service requirement of aerodynamics and communication equipment is all short in understanding, outdoor cabinet is caused to coordinate with heat exchanger and cabinet air conditioner and unsuccessful, and often there is no telecommunication, control, new wind permutation function, there is fault but rear crew ignorant in base station, front (equipment) etc., and crew cannot regulate or carry out parameter in time to air conditioner realize remote dynamic monitoring, cause personnel must to arrive in the very nick of time execute-in-place, bother very much.
After cabinet air conditioner enters Chinese market, be mainly used in as large industry equipment industries such as lathes, the communications industry lacks the experience of large-scale practical application, and energy consumption is higher, for current cabinet air conditioner is difficult to one of reason applied on a large scale.Secondly, when practical application, if when the ambient temperature of open air is lower than design temperature, and outdoor natural cooling source cannot be utilized, just must adopt this form run compressor and freeze, both expend the energy like this, a large amount of refrigerants in extraneous natural environment are not used again, very waste.When communication cabinet needs refrigeration radiating, aforementioned approaches case also exists various defect, all not too applicable.And electric equipment is operationally because the effect of electric current can be generated heat usually; and high heat is too high useful life and the reliability that can affect electric component of killer's temperature of electronic product; and seal premature aging can be made; or reduction insulation values, make the resistance of a part of conductor become large, generate heat and then burn.Usual electric component all can indicate maximum operation (service) temperature, or the different performance that different temperatures is corresponding.The use of number electronic unit is based on normal ambient temperature 30 DEG C (86 ℉), and research shows that temperature often rises 10 DEG C (18 ℉), and the useful life of electronic product will reduce by half than expection.So designing a set of energy system that is instant, stable, energy-saving and environmental protection and come to machine room cooling, is an instant thing.
And for installation form, the fitted outside of almost machine-made employing, that is air conditioner is arranged on the outside or half embedding of rack, so, affect the overall appearance degree of rack, and cabinet air conditioner is easy to stolen.
The patent document that the day for announcing is on March 31st, 2010, notification number is CN201435017Y proposes a kind of integrated cabinet temperature control system; comprise controller, the temperature transducer be arranged in rack; be arranged on the cooling device of rack diverse location; described controller contacts by controlling cable and each cooling device and temperature transducer; control unlatching and the shutdown of each cooling device according to the temperature inside and outside rack, in described controller, be provided with the interface contacted with long distance control system.This utility model is air-conditioning, heat exchanger, draught fan and other temperature control device are provided with a Comprehensive Control platform, unify to control to temperature control device, reduce temperature control cabinet temperature control power consumption, but this utility model can only control for temperature, function is simple, and heat exchange efficiency can not ensure.
Summary of the invention
The problem of the industry environment such as communication, electric power, environmental protection is difficult to be applicable in order to solve existing cabinet air conditioner, the present invention proposes a kind of integrated temperature control balance rack, by the detection of multiple inner parameter, intelligence can switch between new wind, heat exchanger, heating, air conditioner refrigerating, thus obtain optimum control result, heat exchange efficiency is high, low-carbon environment-friendly, electricity saving and energy saving, dust-proof, good water-proof effect, can be widely used in the industries such as communication, electric power, environmental protection.
The technical solution adopted in the present invention is: a kind of integrated temperature control balance rack, and comprise device in several cabinet walls and rack, at least one described cabinet walls is outer wall, the three-decker of integrated temperature control balance sysmte and inwall composition, is provided with air door between inner and outer wall, and air door is connected with and controls door opening or dead motor, described integrated temperature control balance sysmte comprises outer blower fan, external temperature sensor, condenser, inner blower, internal temperature sensor, controller, evaporator temperature sensor and evaporator, described outer blower fan, external temperature sensor is fixed on outer wall, described inner blower, internal temperature sensor and controller are fixed on inwall, described external temperature sensor, internal temperature sensor and evaporator temperature sensor are electrically connected with controller respectively, evaporator temperature sensor and evaporator abut, connected by connecting tube between described condenser and evaporator, be provided with GPRS module and alarm module in described controller, described integrated temperature control balance sysmte also comprises air quality sensor, humidity sensor and smoke detector, described air quality sensor, humidity sensor, smoke detector is located on inwall, air quality sensor, humidity sensor, smoke detector is electrically connected with controller respectively.In controller, GPRS module is set, realize the function such as remote monitoring and setting parameter, base station fault automatic alarm, GPRS communication, make the labour intensity of operating personnel and attendant and greatly reduce, unpredictalbe operational management and security risk before can greatly reducing, become management initiatively from passive management simultaneously.In controller, alarm module is set, when break down situation time can Realtime Alerts.Air quality sensor measures the air regime of interior of equipment cabinet and is sent to controller.The humidity of humidity sensor measuring interior of equipment cabinet is also sent to controller.Smoke detector measures the smoke condition of interior of equipment cabinet and is sent to controller.
The present invention has taken into full account various severe outdoor environment, and when natural temperature is higher than machine in-cabinet temperature and design temperature, active cooling systems will run automatically, to make in rack temperature return to a rational scope.And when natural temperature is lower than design temperature, system automatically will enable intelligent fresh air technology or adopt heat-exchange system to carry out the heat exchange of internal and external temperature and air filter new, can useful life of conservation of power and extension device greatly.
As preferably, described condenser comprises switch condenser and the air-conditioning condenser of parallel placement, described evaporator comprises switch evaporator and the A/C evaporator of parallel placement, the upper end of described switch condenser is connected with switch upper end of evaporator by connecting tube, the upper end of described air-conditioning condenser is connected with the upper end of A/C evaporator by connecting tube, the lower end of switch condenser is connected kinetic pump with the lower end of switch evaporator respectively by connecting tube, the lower end of air-conditioning condenser is connected compressor with the lower end of A/C evaporator respectively by connecting tube, described kinetic pump, compressor is electrically connected with controller respectively.Air-conditioning and switch two overlap heat-exchange system and be arranged in parallel, and heat transfer medium is circulated by this two cover system, complete refrigeration, heating, heat exchange.As preferably, described inner and outer wall is shutter, and the surface of described inner and outer wall is bonded with zinc coat.Shutter is conducive to ventilating, and galvanized sheet can anti-corrosion.
As preferably, described integrated temperature control balance sysmte also comprises pressure switch, and described pressure switch is located on inwall, and pressure switch is electrically connected with controller.
As preferably, described outer blower fan is provided with air strainer, and described air strainer and outer blower fan are for removably connecting.Air filtration net filtration enters the air of outer blower fan.
The invention has the beneficial effects as follows: intelligence can switch between new wind, heat exchanger, heating, air conditioner refrigerating, thus obtain optimum control result, heat exchange efficiency is high, low-carbon environment-friendly, electricity saving and energy saving, dust-proof, good water-proof effect.
Accompanying drawing explanation
Fig. 1 is a kind of internal structure schematic diagram of the present invention.
In figure, 1-kinetic pump, 2-external temperature sensor, 3-air strainer, the outer blower fan of 4-, 5-motor, 6-switch condenser, 7-air-conditioning condenser, 8-internal temperature sensor, 9-humidity sensor, 10-smoke detector, 11-air quality sensor, 12-controller, 13-evaporator temperature sensor, 14-air door, 15-A/C evaporator, 16-switch evaporator, 17-compressor, 18-inner blower, 19-connecting tube, 20-outer wall, 21-inwall.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail.
As shown in Figure 1, a kind of integrated temperature control balance rack, comprise device in four cabinet walls and rack, the cabinet walls in front is the three-decker be made up of outer wall 20, integrated temperature control balance sysmte and inwall 21, outer wall 20 and inwall 21 are the galvanized sheet of shutter, the air door 14 in obstruct two spaces is housed between inwall 20 and outer wall 21, and air door 14 is connected with motor 5.Integrated temperature control balance sysmte comprises outer blower fan 4, external temperature sensor 2, switch condenser 6, air-conditioning condenser 7, inner blower 18, internal temperature sensor 8, controller 12, evaporator temperature sensor 13, A/C evaporator 15, switch evaporator 16, humidity sensor 9, smoke detector 10, air quality sensor 11, pressure switch, wherein outer blower fan 4, external temperature sensor 2 is fixedly mounted on the inner side of outer wall 20, inner blower 18, internal temperature sensor 8, humidity sensor 9, smoke detector 10, air quality sensor 11, pressure switch and controller 12 are fixedly mounted on inwall 21, external temperature sensor 2, internal temperature sensor 8, humidity sensor 9, smoke detector 10, air quality sensor 11, pressure switch is connected by electric wire with controller respectively with evaporator temperature sensor 13, the upper end of switch condenser 6 is connected with the upper end of switch evaporator 16 by connecting tube 19, the upper end of air-conditioning condenser 7 is connected with the upper end of A/C evaporator 15 by connecting tube 19, the lower end of switch condenser 6 is connected kinetic pump 1 with the lower end of switch evaporator 16 respectively by connecting tube 19, the lower end of air-conditioning condenser 7 is connected compressor 17 with the lower end of A/C evaporator 15 respectively by connecting tube 19, evaporator temperature sensor 13 and A/C evaporator 15, switch evaporator 16 abuts respectively, kinetic pump 1, compressor 17 is electrically connected with controller 12 respectively.Outer blower fan 4 is equipped with air strainer 3, and air strainer 3 and outer blower fan 4 are connected by screw.
The master chip of controller 12 adopts the microprocessor of 16 low-power consumption, has the advantages that detected parameters is many, fast operation, accuracy are high, and energy savings effectively.Alarm module and GPRS module is provided with in controller 12.
The present invention adopts concealed design, and integrated temperature control balance sysmte is arranged on cabinet walls inside, greatly can increase the IP grade of integrated temperature control balance rack, and very aesthetic property, anti-theft ability is also very strong.
The present invention is built-in temperature sensor, humidity sensor 9, smoke detector 10, air quality sensor 11, pressure switch detected temperatures, humidity, smoke condition, air quality and pressure and other parameters respectively, wherein temperature sensor is provided with three, is respectively used to measure temperature, the temperature of cabinet external environment and the temperature of evaporator in rack.The present invention is after the operation that powers on, the temperature that controller 12 can be come facing to three temperature sensor collections carries out Comprehensive Correlation, adding the value that air quality sensor 11 gathers, contrast with preset value, integrated temperature control balance sysmte selects best control program from new wind, heat exchange, heating and refrigeration four kinds of temperature control system patterns.
If the temperature of external environment is lower and air quality is relatively good time, integrated temperature control balance sysmte carries out inside and outside heat exchange by directly adopting intelligent fresh air technology; If the temperature of external environment is lower and the quality comparation of air is severe time, integrated temperature control balance sysmte will adopt heat-exchange system to carry out the heat exchange of indoor and outdoor; When the temperature of external environment is higher, integrated temperature control balance sysmte will independently be switched to the state of compressor cooling, in the process that compressor independently freezes, if evaporator temperature sensor detects evaporator surface frosting, so system can be out of service, does the process of defrost.
For electronic devices and components in rack, if humidity is too large, easily forms condensed water time rack is lowered the temperature, short circuit can be formed like this, burn the serious consequence of electronic devices and components; If humidity is too low, then can form electrostatic, also can form interference to the operation of electronic devices and components.Humidity in integrated temperature control balance sysmte humidity sensor 9 pairs of racks detects, when humidity exceedes our preset value, integrated temperature control balance sysmte will carry out dehumidification treatments in rack, if when humidity is too low, integrated temperature control balance sysmte will add wet process in rack, to ensure that humidity in rack is within a rational scope.
If the temperature of external environment is higher than the temperature in rack, refrigerating system will be started.Compressor 17 is the power of refrigerating system when running refrigerating, cold-producing medium enters in condenser after the compression of compressor 17 becomes the gas of HTHP, heat release becomes the liquid refrigerant of high pressure low temperature within the condenser, enter become low-pressure low-temperature state after throttling arrangement throttling after in evaporator, cold-producing medium absorbs heat and becomes gaseous medium and again absorbed a compression mechanism SAPMAC method by compressor in evaporator, so repeatedly.Condenser and evaporator to strengthen cross-ventilation, strengthen heat transfer effect by respective circulating fan.Wherein the heat exchange of condenser and air is carried out outside rack, and the heat exchange of evaporator and air is then carried out at airtight cabinet Inner eycle.
If the temperature of external environment is lower than the temperature in rack and the mass ratio of outside ambient air is good time, will VMC be started.VMC is from physical angle, be exactly that the unbalanced air that causes of positive/negative-pressure flows, new wind is sent to indoor according at airtight indoor side special equipment, again from opposite side by special equipment to outdoor discharge, then can be formed in indoor " new wind flow field ", make an airtight space realize the cross-ventilation of science.After temperature control balance sysmte carries out Comprehensive Correlation by temperature sensor in rack, the outer temperature sensor of cabinet, air quality sensor image data, if the air quality outside cabinet is higher, controller will open demarcation strip inside and outside rack, be lowered the temperature in rack by VMC.On the contrary, then adopt other form to lower the temperature to machine room, thus meet the needs of indoor fresh air ventilating.After VMC runs, air door is opened by motor start-up, the cold air of outdoor sucks by outer blower fan, cold wind is distinguished and admirable after air door, under the dynamic action of inner blower, be drained into indoor, and the hot blast in rack is absorbed through air door by inner blower, being discharged into external environment has suffered, cold air enter the eliminating with hot-air, reduce indoor temperature with this.
If the temperature of external environment is lower than the temperature in rack, but time the mass ratio of outside ambient air is poor, if also adopt VMC, air strainer 3 so before VMC will be easy to blocking, if infrequently safeguarded, VMC will lose effect, and often safeguards, maintenance cost is higher, so now should start heat-exchange system.In VMC, due to the physical effect of medium, when the outer temperature of cabinet is lower, medium will dispel the heat condensation liquefy, kinetic pump 1 porch is flow into by the effect of gravity, by kinetic pump 1 liquid medium delivered to the evaporator in rack again, because the temperature in rack is higher, meet the evaporating temperature of medium completely, therefore the heat that medium will absorb in rack, Absorption of Medium heat enters condenser after becoming gas again, repeatedly carries out according to this, reaches the cooling-down effect in rack.Condenser and evaporator to strengthen cross-ventilation, strengthen heat transfer effect by respective circulating fan.Wherein the heat exchange of condenser and air is carried out outside control cubicle, and the heat exchange of evaporator and air is then carried out at airtight control rack Inner eycle.In sum, when after heat-exchange system startup optimization, kinetic pump 1 produces motive force, efficient cold-producing medium is made to enter in the condenser of concurrent flow, because ambient temperature is low, this medium immediately can form liquid form, then enters in indoor evaporator, because indoor temperature is high, the heat absorption at once of this medium becomes gaseous material and sucks a kind of refrigeration cycle by kinetic pump 1 again.
Inner blower 18 sucks the gas of heat in rack, distinguished and admirablely after the fin of evaporator, becomes cold gas discharge, to reach the effect of lowering the temperature in rack; Inner blower 4 sucks the gas in environment from cabinet, and the distinguished and admirable gas becoming heat after condenser fin is discharged.So just form a heat indoor to the transfer of outdoor.
When the temperature outside cabinet is higher than temperature in rack, controller 12 will cut out kinetic pump 1, and the passage of medium will block from kinetic pump 1, avoids medium to dispel the heat in rack higher than machine in-cabinet temperature due to the outer temperature of cabinet thus.
Alarm module in controller 12 has the multinomial warning functions such as the warning of high temperature alarm in rack, evaporator freeze, system low-voltage, alarm for high voltage, over-voltage and over-current warning.Report to the police after occurring, warning error code can be sent in the communication apparatus of attendant by GPRS by controller, attendant is allowed to obtain the operation conditions of new wind, heat exchange, heating, refrigeration intelligent temperature control system timely, make to safeguard in time, can not break down and attendant's for a long time ignorant this situation by generation systems.
Above embodiment is only and technological thought of the present invention is described, can not limit protection scope of the present invention with this, and every technological thought proposed according to the present invention, any change that technical scheme basis is done, all falls within protection scope of the present invention.

Claims (5)

1. an integrated temperature control balance rack, comprises device in several cabinet walls and rack, it is characterized in that: at least one described cabinet walls is outer wall, the three-decker of integrated temperature control balance sysmte and inwall composition, is provided with air door between inner and outer wall, and air door is connected with and controls door opening or dead motor, described integrated temperature control balance sysmte comprises outer blower fan, external temperature sensor, condenser, inner blower, internal temperature sensor, controller, evaporator temperature sensor and evaporator, described outer blower fan, external temperature sensor is fixed on outer wall, described inner blower, internal temperature sensor and controller are fixed on inwall, described external temperature sensor, internal temperature sensor and evaporator temperature sensor are electrically connected with controller respectively, evaporator temperature sensor and evaporator abut, connected by connecting tube between described condenser and evaporator, be provided with GPRS module and alarm module in described controller, described integrated temperature control balance sysmte also comprises air quality sensor, humidity sensor and smoke detector, described air quality sensor, humidity sensor, smoke detector is located on inwall, air quality sensor, humidity sensor, smoke detector is electrically connected with controller respectively.
2. integrated temperature control balance rack according to claim 1, it is characterized in that: described condenser comprises switch condenser and the air-conditioning condenser of parallel placement, described evaporator comprises switch evaporator and the A/C evaporator of parallel placement, the upper end of described switch condenser is connected with switch upper end of evaporator by connecting tube, the upper end of described air-conditioning condenser is connected with the upper end of A/C evaporator by connecting tube, the lower end of switch condenser is connected kinetic pump with the lower end of switch evaporator respectively by connecting tube, the lower end of air-conditioning condenser is connected compressor with the lower end of A/C evaporator respectively by connecting tube, described kinetic pump, compressor is electrically connected with controller respectively.
3. integrated temperature control balance rack according to claim 1, it is characterized in that: described inner and outer wall is shutter, the surface of described inner and outer wall is bonded with zinc coat.
4. integrated temperature control balance rack according to claim 1, is characterized in that: described integrated temperature control balance sysmte also comprises pressure switch, and described pressure switch is located on inwall, and pressure switch is electrically connected with controller.
5. integrated temperature control balance rack according to claim 1, it is characterized in that: described outer blower fan is provided with air strainer, described air strainer and outer blower fan are for removably connecting.
CN201310094094.9A 2013-03-22 2013-03-22 Integrated temperature control balance rack Expired - Fee Related CN103153032B (en)

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