CN100529587C - Air conditioning system for communication equipment and controlling method thereof - Google Patents
Air conditioning system for communication equipment and controlling method thereof Download PDFInfo
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- CN100529587C CN100529587C CNB200680014884XA CN200680014884A CN100529587C CN 100529587 C CN100529587 C CN 100529587C CN B200680014884X A CNB200680014884X A CN B200680014884XA CN 200680014884 A CN200680014884 A CN 200680014884A CN 100529587 C CN100529587 C CN 100529587C
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Abstract
An air conditioning system for communication equipment. An indoor module has expansion valves installed on refrigerant pipes, brine coolers each having heat exchange tubes to which the refrigerant pipe extending from each expansion valve and a separate brine pipe are connected, compressors for compressing refrigerant, an indoor heat exchanger having a heat exchange tube to which the brine pipe extending from the brine coolers is connected, and an indoor blower. An outdoor module has circulation pumps connected in parallel to the brine pipe extending from the indoor heat exchanger, outdoor heat exchangers connected in series with each other while facing each other and each having a heat exchange tube to which the brine pipe extending from the circulation pumps is connected, condensers facing each other and having tubes to which the refrigerant pipes extending from the compressors are connected in parallel, and an outdoor blower.
Description
Technical field
The present invention relates to a kind of air-conditioning system that is used for communication apparatus, relate in particular to a kind of air-conditioning system that is used for being arranged on the communication apparatus of base station, camera bellows etc., the communication apparatus that is placed in one with cooling, and its size reduces to prevent to produce noise, overheated and fault, and guarantee the stable operation of communication apparatus, and control method.
Background technology
Traditional air-conditioning system is used the evaporation heat that cold-producing medium absorbs from surrounding environment when cold-producing medium evaporates.With regard to cold-producing medium, use for example liquid of ammonia, freon, azeotropic cooling mixture, chloromethyl or the like usually.
In traditional air-conditioning system, with regard to the cold-producing medium of gasification, compressor is depressed into high pressure with it, flows through condenser, cold-producing medium and extraneous air heat-shift, and be condensed into liquid refrigerant with high pressure.After expansion valve or capillary, the liquid refrigerant that will have high pressure changes into low pressure liquid refrigerant.
Low pressure liquid refrigerant enters evaporimeter, with the inner air heat-shift, and evaporation.Thereafter, the low pressure refrigerant of evaporation enters compressor to finish the air conditioning circulation of continuous repetition.The air that air blast will be cooled off by the evaporation heat that the cold-producing medium in the evaporimeter absorbs imports to a space or a destination object, to carry out cooling effect.
The tradition air-conditioning for example uses can cool off expectation space or destination object by condensation and the cold-producing medium that evaporates the state that easily changes cold-producing medium.
Simultaneously, in base station or communication van, a plurality of wired or wireless communication apparatus are installed.Because the frequent heat that produces, communication apparatus may cause connecting loosening or end, thereby have increased the possibility of fault.For this reason, be necessary annual cools communication equipment down, to guarantee its reliable operation.
, be used for the traditional air-conditioning system of communication apparatus, owing to suitably do not utilize the low external temperature of nature, and only by the driven by power air-conditioning system, therefore increased expense, and wasted electric energy.
In order to overcome these problems, the application discloses Korean Patent Application No.: 2005-14790, its name is called " aircondition and the control method thereof that are used for communication apparatus ".Disclosed air-conditioning equipment uses extraneous air in this patent documentation, even guarantee also can keep reliably the air conditioning state of the interior space simultaneously when parts of air-conditioning equipment are not worked.Yet this air-conditioning equipment is along with the outdoor module size increases, and the problem of generation noise.
Summary of the invention
Technical problem
Therefore, the present invention tries hard to solve the problem that appears at association area, and the object of the present invention is to provide a kind of air-conditioning system that is used for communication apparatus, wherein reduce the outdoor module size and reduced the generation of noise, and it suitably uses the low external temperature of nature so that power consumption minimizes, thereby communication apparatus is maintained the state of cooling reliably, and control method.
Technical scheme
In order to reach above purpose, according to an aspect of the present invention, a kind of air-conditioning system that is used for communication apparatus is provided, comprise: the indoor module that places inside of base station, communication apparatus is installed in the base station, indoor module with expansion valve, brine cooler, compressor, indoor heat exchanger and at least one indoor blower, expansion valve is installed on the cooling tube, each brine cooler has a pair of heat exchanger tube, cooling tube and an independent Brine Pipe of extending from each expansion valve are connected respectively on the above-mentioned heat exchanger tube, compressor is used to compress the cold-producing medium by brine cooler, indoor heat exchanger has heat exchanger tube, the Brine Pipe that extends from brine cooler is connected on the heat exchanger tube, and the contiguous indoor heat exchanger of at least one indoor blower is placed; With the outdoor module that places the outside, base station, outdoor module has a pair of circulating pump, a pair of outdoor heat exchanger, a pair of condenser and at least one outdoor blowers, circulating pump is parallel-connected to from the Brine Pipe of indoor heat exchanger extension, the outdoor heat exchanger connection that is one another in series, simultaneously toward each other, each outdoor heat exchanger has heat exchanger tube, the Brine Pipe that extends from circulating pump is connected on the above-mentioned heat exchanger tube, condenser toward each other and have a pipe, the cooling tube that extends from the compressor of indoor module is parallel-connected on the aforementioned tube, and at least one outdoor blowers is between a pair of outdoor heat exchanger.
In order to reach above purpose, according to another aspect of the present invention, a kind of air-conditioning system that is used for communication apparatus is provided, comprise: an indoor module that places inside of base station, communication apparatus is installed in the base station, indoor module with expansion valve, brine cooler, compressor, indoor heat exchanger and at least one indoor blower, expansion valve is installed on the cooling tube, each brine cooler has a pair of heat exchanger tube, cooling tube and an independent Brine Pipe of extending from each expansion valve are connected respectively on the above-mentioned heat exchanger tube, compressor is used to compress the cold-producing medium by brine cooler, indoor heat exchanger has heat exchanger tube, the Brine Pipe that extends from brine cooler is connected on the heat exchanger tube, and the contiguous indoor heat exchanger of at least one indoor blower is placed; With an outdoor module that places the outside, base station, outdoor module has a pair of circulating pump, a pair of outdoor heat exchanger, a pair of condenser and at least one outdoor blowers, circulating pump is parallel-connected to from the Brine Pipe of indoor heat exchanger extension, the outdoor heat exchanger connection that is one another in series, simultaneously toward each other, each outdoor heat exchanger has heat exchanger tube, the Brine Pipe that extends from circulating pump is connected on the above-mentioned heat exchanger tube, condenser toward each other and have a pipe, the cooling tube that extends from the compressor of indoor module is connected in series on the aforementioned tube, and an outdoor blowers is between a pair of outdoor heat exchanger at least.
In order to reach above purpose, according to another aspect of the present invention, a kind of method that is used to control air-conditioning system is provided, comprises: the first step: indoor, the outdoor temperature and the brine temp that adopt indoor, outdoor temperature sensor and brine temperature sensor remote sensing base station; Second step: the indoor temperature and first fiducial temperature are compared, when indoor temperature is lower than first fiducial temperature, interrupt the operation of whole air-conditioning system; The 3rd step: outdoor temperature and brine temp are compared, when outdoor temperature is lower than brine temp, start outdoor heat exchanger, and when outdoor temperature is equal to or higher than brine temp, interrupt the operation of outdoor heat exchanger; The 4th step: when indoor temperature is higher than second fiducial temperature, starts first cooling segment and condenser, and when indoor temperature is equal to or less than second fiducial temperature, interrupt the operation of first cooling segment and condenser; With the 5th the step: when indoor temperature is higher than the 3rd fiducial temperature, starts first and second cooling segments and condenser, and when indoor temperature is equal to or less than the 3rd fiducial temperature, interrupt the operation of second cooling segment.
According to another aspect of the present invention, the opening and closing of electric-powered shutter, are closed and are adjacent to the shutter that outdoor heat exchanger is installed when operating whole cooling group and condenser with box lunch by the operation control of outdoor heat exchanger and condenser.
According to another aspect of the present invention, the 3rd step also comprised the first step in the 3rd step: when brine temp is lower than the 4th fiducial temperature, interrupts the operation of outdoor blowers, and when brine temp is equal to or higher than the 4th fiducial temperature, start outdoor blowers.
According to another aspect of the present invention, the first step in the 3rd step also comprises second step in the 3rd step: when brine temp is higher than the 4th fiducial temperature and is lower than the 5th fiducial temperature, interrupt the operation of outdoor blowers, and when brine temp is equal to or higher than the 5th fiducial temperature, start outdoor blowers.
Beneficial effect
Because above feature, the air-conditioning system and the control method thereof that are used for communication apparatus as constituted above according to the present invention, provide following advantage: the size that has reduced outdoor module, reduced the generation of noise, and suitably use the low outdoor temperature of nature, and improved cooling effectiveness so that power consumption minimizes.Further, owing to adopted the salt water circulation structure that uses two cooling segments and two outdoor heat exchanger structures, thus improved cooling effectiveness and reliability.
Description of drawings
After the following detailed description of reading together with accompanying drawing, above purpose of the present invention and further feature and advantage will become apparent, wherein:
Fig. 1 is a structural representation, has shown the air-conditioning system that is used for communication apparatus according to the first embodiment of the present invention;
Fig. 2 is a structural representation, has shown the air-conditioning system that is used for communication apparatus according to a second embodiment of the present invention;
Fig. 3 is a structural representation, has shown the air-conditioning system that is used for communication apparatus of a third embodiment in accordance with the invention;
Fig. 4 is a flow chart, has shown the method for the air-conditioning system that is used to control communication apparatus according to another embodiment of the invention;
Fig. 5 and Fig. 6 are flow charts, and each figure has shown the method for the air-conditioning system that is used to control communication apparatus according to another embodiment of the invention;
Fig. 7～Figure 12 is a structural representation, has shown the air-conditioning system that is used for communication apparatus according to other embodiments of the invention.
Detailed description of main elements
100: indoor module 110,110 ': expansion valve
120,120 ': brine cooler 121: heat exchanger tube
130,130 ': compressor 140: indoor heat exchanger
141: heat exchanger tube 150: indoor blower
160: cooling tube 170: Brine Pipe
171,172,173,174: the flow-controllable valve
180: communication apparatus
190: indoor temperature transmitter
200: outdoor module
210: circulating pump 220: outdoor heat exchanger
221: heat exchanger tube 230: condenser
231: pipe 240: outdoor blowers
250: outdoor temperature sensor
260: brine temperature sensor
270,270 ': shutter 280: drier receiver
300: the base station
The specific embodiment
In more detail with reference to a preferred embodiment of the present invention, show one of them example in the accompanying drawings now.As much as possible, whole drawing and description will use identical reference number to represent identical or similar parts.
Fig. 1 is a structural representation, has shown the air-conditioning system that is used for communication apparatus according to the first embodiment of the present invention.
With reference to figure 1, the air-conditioning system that is used for communication apparatus according to the first embodiment of the present invention comprises: place the indoor module 100 of 300 inside, base station and place the outdoor module 200 of 300 outsides, base station.
Used in the present invention cold-producing medium is known in the art, for example ammonia, freon, azeotropic cooling mixture, chloromethyl or the like.
Each brine cooler 120 and 120 ' have a pair of heat exchanger tube 121 is connected respectively on the heat exchanger tube from the cooling tube 160 of each expansion valve 110 and 110 ' extension and independent Brine Pipe 170.
Salt solution is CaCl
2With the solution of NaCl or have subzero liquid, and be mainly used in the indirect cooling method.
The expansion valve 110 and 110 of indoor module 100 ', brine cooler 120 and 120 ' and the single cooling group of compressor 130 and 130 ' composition, it is divided into first and second cooling segments.First and second cooling segments are connected respectively on the cooling tube separated from one another 160, and two brine coolers 120 and 120 ' be parallel-connected on the Brine Pipe 170.
,, suppose that expansion valve 110, brine pipe cooling 120 and compressor 130 formed first cooling segment for the ease of explaining thereafter, and expansion valve 110 ', brine pipe cooling 120 ' and compressor 130 ' formed second cooling segment.
Even since when brine cooler 120 and 120 ' in one of them when not working, salt level worked brine cooler 120 and 120 ', salt solution also can maintain the state of cooling reliably.
The contiguous heating surfaces that produce the indoor heat exchanger 140 that conducts heat of indoor blower 150 arrange, and the air that is constructed to be permeable to cool off through the heat exchange effect of indoor heat exchanger 140 blows to communication apparatus 180.
Use a pair of circulating pump 210 and it is parallel-connected on the Brine Pipe 170 that extends from indoor heat exchanger 140.Preferably, the flow-controllable valve is installed in respectively in the inlet or outlet of each circulating pump 210, suitably to regulate the salt water yield by each circulating pump 210 entrance and exit.
Therefore, in the present invention, because the fact of dual salt water circulation structure, wherein adopt being installed in parallel of circulating pump 210, even when a circulating pump 210 is not worked, another circulating pump 210 also can normal running, and its result is for keeping the state of cooling of the communication apparatus that places base station 300 reliably.
Therefore, because outdoor module 200 adopts dual structure, wherein a pair of outdoor heat exchanger 220 is one another in series and is installed on the Brine Pipe 170, can improve heat exchange efficiency significantly.
Place with toward each other at the two ends of condenser 230 adjacent chamber external heat exchangers 220.Two condensers 230 are parallel-connected on the cooling tube 160.Each condenser 230 has pair of pipes 231, is connected respectively on the pair of pipes 231 from the cooling tube 160 of the compressor 130 and 130 ' extension of indoor module 100.
Above-mentioned a pair of outdoor blowers 240 is between a pair of outdoor heat exchanger 220 and between a pair of condenser 230.Especially, outdoor blowers 240 vicinities produce the heating surfaces of the outdoor heat exchanger 220 of heat exchange and arrange, and work to increase contact and heat exchange efficiency between outdoor heat exchanger 220 and the outdoor air.
In the present invention, comprise in the indoor module 100 brine cooler 120 and 120 ', arranging should be to outdoor heat exchanger 220 respect to one another and should be to condenser 230 respect to one another, limiting a quadrilateral shape, and outdoor blowers 240 is arranged in quadrilateral shape inside.Therefore,, may make outdoor module 200 miniaturizations, reduce the number of outdoor blowers 240, and suppress the generation of noise owing to improved space availability ratio.
Electric-powered shutter 270 and 270 ' be installed in outdoor heat exchanger 220 and condenser 230 outsides, and be adjacent to outdoor heat exchanger 220 and condenser 230.Electric-powered shutter 270 and 270 ' comprise horizontally disposed plate, it has narrow width and controls its opening and closing according to the operation of outdoor heat exchanger 220 and condenser 230.
Simultaneously, in the present invention,, indoor temperature transmitter 190 is installed in 300 inside, base station, and outdoor temperature sensor 250 is installed in 300 outsides, base station in order to control refrigerating function effectively.
To relatively or with fiducial temperature compare mutually by the temperature of indoor temperature transmitter 190, outdoor temperature sensor 250 and 260 remote sensing of brine temperature sensor, based on above-mentioned comparison, optionally drive indoor heat exchanger 140 and outdoor heat exchanger 220 cooling base stations 300 volume inside.
Fig. 2 is a structural representation, has shown the air-conditioning system that is used for communication apparatus according to a second embodiment of the present invention.
With reference to figure 2, in the air-conditioning system that is used for communication apparatus according to second embodiment of the invention, the expansion valve 110 and 110 of indoor module 100 ', brine cooler 120 and 120 ' and the single cooling group of compressor 130 and 130 ' composition, it is divided into first and second cooling segments.First and second cooling segments are connected respectively on the cooling tube separated from one another 160, and two brine coolers 120 and 120 ' be connected in series on the Brine Pipe 170.
Therefore and since twice of salt solution by brine cooler 120 and 120 ', the state of cooling that can undesirably suitably regulate salt solution.
And the two ends of the condenser 230 adjacent chamber external heat exchangers 220 of outdoor module 200 are arranged and toward each other.A pair of condenser 230 is connected in series on the cooling tube 160.Each condenser 230 has pair of pipes 231, is connected respectively on the pair of pipes 231 from the cooling tube 160 of the compressor 130 and 130 ' extension of indoor module 100.
In the air-conditioning system according to this second embodiment, because condenser 230 is connected in series on the cooling tube 160, and each condenser 230 has pair of pipes 231, therefore the cooling effectiveness of cold-producing medium doubled.
Except those above-mentioned parts, part and being connected of they are basically the same as those in the first embodiment.
Fig. 3 is a structural representation, has shown the air-conditioning system that is used for communication apparatus of a third embodiment in accordance with the invention.
With reference to figure 3, in the air-conditioning system that is used for communication apparatus according to third embodiment of the invention, the expansion valve 110 and 110 of indoor module 100 ', brine cooler 120 and 120 ' and the single cooling group of compressor 130 and 130 ' composition, it is divided into first and second cooling segments.First and second cooling segments are connected respectively on the cooling tube separated from one another 160, and two brine coolers 120 and 120 ' be connected in series on the Brine Pipe 170.
Therefore and since twice of salt solution by brine cooler 120 and 120 ', the state of cooling that can undesirably suitably regulate salt solution.
And the two ends of the condenser 230 adjacent chamber external heat exchangers 220 of outdoor module 200 are arranged and toward each other.A pair of condenser 230 is parallel-connected on the cooling tube 160.Each condenser 230 has pair of pipes 231, is connected respectively on the pair of pipes 231 from the cooling tube 160 of the compressor 130 and 130 ' extension of indoor module 100.
In air-conditioning system according to this 3rd embodiment, because condenser 230 is parallel-connected on the cooling water pipe 160, and each condenser 230 has pair of pipes 231, even when a condenser 230 or one pipe 231 is not worked, can guarantee that also another condenser 230 or other manage 231 stable operation.
In this 3rd embodiment, except those above-mentioned parts, being connected of part and they is identical with first or second embodiment.
Fig. 4 is flow chart, shown the method for air-conditioning system that is used to control communication apparatus according to another embodiment of the invention.
At first, the first step: temperature T in the remote chamber in target
In, outdoor temperature T
OutAnd brine temp T
b, that is, in base station 300, use indoor temperature transmitter 190, outdoor temperature sensor 250 and brine temperature sensor 260 (S110).
Second step: with the indoor temperature T of such institute remote sensing
InWith the first fiducial temperature T
S1(S120) compare, and as indoor temperature T
InBe lower than the first fiducial temperature T
S1The time, the operation (all shutters 270 and 270 ' close) of interrupting whole air-conditioning system is (S130).
Then, the 3rd step: by comparing outdoor temperature T
OutWith brine temp T
b, as outdoor temperature T
OutBe lower than brine temp T
bThe time, start outdoor heat exchanger 220 (be used for the shutter 270 of outdoor heat exchanger 220 ' open) (S150), and as outdoor temperature T
OutBe equal to or higher than brine temp T
bThe time, the operation (be used for the shutter 270 of outdoor heat exchanger 220 ' close) of interrupting outdoor heat exchanger 220 is (S160).
Comprise that the 3rd step is to guarantee to interrupt at torridity summer the operation of outdoor heat exchanger 220, wherein outdoor temperature T
OutBe higher than brine temp T
bAnd start outdoor heat exchanger 220 to use the outdoor cold air in spring, early summer, autumn and winter, outdoor temperature T wherein
OutBe lower than brine temp T
b
Then, the 4th step: by with indoor temperature T
InWith the second fiducial temperature T
S2(for example, 26.5 ℃) be (S170) relatively, as indoor temperature T
InBe higher than the second fiducial temperature T
S2The time, start first cooling segment (expansion valve 110, brine cooler 120 and compressor 130) and condenser 230 (shutter 270 that is used for condenser 230 is opened) (S180), as indoor temperature T
InBe equal to or less than the second fiducial temperature T
S2The time, the operation (shutter 270 that is used for condenser 230 is closed) of interrupting first cooling segment (expansion valve 110, brine cooler 120 and compressor 130) and condenser 230 is (S190).
In addition, the 5th step: by with indoor temperature T
InWith the 3rd fiducial temperature T
S3(for example, 27.5 ℃) be (S200) relatively, as indoor temperature T
InBe higher than the 3rd fiducial temperature T
S3The time, start whole cooling group, comprise first and second cooling segments (expansion valve 110 and 110 ', brine cooler 120 and 120 ' and compressor 130 and 130 ') and condenser 230 (S210), and as indoor temperature T
InBe equal to or less than the 3rd fiducial temperature T
S3The time, interrupt the operation (S220) of second cooling segment (expansion valve 110 ', brine cooler 120 ' and compressor 130 ').
If interrupt the operation of second cooling segment (expansion valve 110 ', brine cooler 120 ' and compressor 130 '), the pipe 231 that is connected to the condenser 230 of second cooling segment quits work.
Comprise the 4th and the 5th step, to guarantee when the operation of outdoor heat exchanger 220 is not enough to cools communication equipment down 180, can operate first cooling segment (expansion valve 110 auxiliaryly, brine cooler 120 and compressor 130), even and outdoor heat exchanger 220 and first cooling segment (expansion valve 110, brine cooler 120 and compressor 130) operation when being not enough to cools communication equipment down 180, can operate auxiliaryly remaining second cooling segment (expansion valve 110 ', brine cooler 120 ' and compressor 130 ') so that can be continuously the heat exchange efficiency of whole air-conditioning system be maintained constant level.
In the situation of the operation that is connected to whole cooling group of indoor heat exchanger 140 (expansion valve 110 and 110 ', brine cooler 120 and 120 ' and compressor 130 and 130 ') and condenser 230 (opening the shutter 270 that is used for condenser 230 simultaneously), even as outdoor temperature T
OutBe lower than brine temp T
b, therefore and when starting outdoor heat exchanger 220, be used for the shutter 270 of outdoor heat exchanger 220 ' operation be interrupted, close for use in the shutter 270 ' maintenance of outdoor heat exchanger 220.
This will prevent following phenomenon: when the whole cooling group that is operationally connected to indoor heat exchanger 140 (opening the shutter 270 that is used for condenser 230 simultaneously) (expansion valve 110 and 110 ', brine cooler 120 and 120 ' and compressor 130 and 130 '), if be used for the shutter 270 of condenser 230 and be used for the shutter 270 of outdoor heat exchanger 220 ' all open, outdoor blowers 240 all directions are discharged air, thereby make the efficient of condenser 230 reduce and increase the generation of noise.
When switching is used for that cold air fed to the power of the whole air-conditioning system of supply of communication apparatus 180, open or close indoor heat exchanger 140 and indoor blower 150 simultaneously.
With first to the 3rd fiducial temperature T
S1, T
S2And T
S3Be made as for example 25 ℃, 26.5 ℃, 27.5 ℃ respectively, and can make various changes according to the kind that places the communication apparatus 180 in the base station 300.
After each step S130, S190, S210, the S220, according to indoor temperature T
InProgram can turn back to step S110, to repeat above step, the real-time and indoor temperature T of the possibility of result
InUnanimity, indoor temperature T
InOperation change along with outdoor heat exchanger, first and second cooling segments (expansion valve 110 and 110 ', brine cooler 120 and 120 ' and compressor 130 and 130 ') and condenser 230.
Fig. 5 is a flow chart, has shown particularly that further being used to shown in Fig. 4 control the method for the air-conditioning system that is used for communication apparatus of an alternative embodiment of the invention.
In the 3rd step, the first step in the 3rd step: by outdoor temperature T
OutWith brine temp T
bRelatively (S140) is as outdoor temperature T
OutBe lower than brine temp T
bThe time, start outdoor heat exchanger 220 (S150).Thereafter, by brine temp T
bWith the 4th fiducial temperature T
S4(for example, being located in 2～7 ℃ of scopes) relatively (S230) is as brine temp T
bBe lower than the 4th fiducial temperature T
S4The time, interrupt the operation (S240) of outdoor blowers 240, and as brine temp T
bBe higher than the 4th fiducial temperature T
S4The time, start outdoor blowers 240 (S250).
In the first step in the 3rd step, at brine temp T
bBe lower than the 4th fiducial temperature T
S4Situation under, interrupt the operation of outdoor blowers 240, and the salt solution that prevents without exception is cooled off (S240) by the low-down outdoor temperature in winter suddenly, and prevents that therefore Brine Pipe 170 from splitting.
More preferably, second step in the 3rd step: as shown in Figure 6, in the first step in the 3rd step, as brine temp T
bBe equal to or higher than the 4th fiducial temperature T
S4The time, by brine temp T
bWith the 5th fiducial temperature T
S5(for example, the scope that is located at 10～15 ℃ is interior) compares, as brine temp T
bBe lower than the 5th fiducial temperature T
S5, interrupt the operation of outdoor blowers 240, and as brine temp T
bBe equal to or higher than the 5th fiducial temperature T
S5The time, start outdoor blowers 240.
In the 3rd step second gone on foot the effect that prevents following phenomenon: when opening and closing outdoor blowers 240 continually, produce excess load, vibration and various noise in outdoor blowers 240.
In the present invention, if stop the operation of cooling group, as Fig. 7, Fig. 9 and shown in Figure 11, preferably from Brine Pipe 170 be incorporated into brine cooler 120 and 120 ' or be connected two brine coolers 120 and 120 ' part branch's Brine Pipe 170 respectively, and the flow-controllable valve that install to separate (open/closed valve or triple valve separately) 171 and 172, so that salt solution can flow simultaneously around not operation brine cooler 120 and 120 ' circuitous.
And, if the operation of close chamber's external heat exchanger 220, as Fig. 8, Figure 10 and shown in Figure 12, the preferred part of introducing each outdoor heat exchangers 220 or connecting two outdoor heat exchangers 220 from Brine Pipe 170 branch's Brine Pipe 170 respectively, and the flow-controllable valve (open/closed valve or triple valve separately) 173 and 174 that separates is installed, circuitous around not operation outdoor heat exchanger 220 simultaneously so that salt solution can flow.
Afterwards, will describe as constituted above according to operating effect and the control method thereof that is used for the air-conditioning system of communication apparatus of the present invention.
At first, in air-conditioning system according to first to the 3rd embodiment of the present invention, in indoor module 100, comprise brine cooler 120 and 120 ', place outdoor heat exchanger 220 respect to one another and condenser respect to one another 230 limiting a quadrilateral shape, and outdoor blowers 240 places quadrilateral shape inside.Therefore,, can make outdoor module 200 miniaturizations, and, suppress the generation of noise owing to improved the operating efficiency of outdoor blowers 240 owing to improved space availability ratio.
Further, in the first and the 3rd embodiment, because condenser 230 is parallel-connected to cooling tube 160, and each condenser 230 has pair of pipes 231, even when a condenser 230 or one pipe 231 is not worked, also can guarantee the stable operation of another condenser 230 or another pipe 231.
Simultaneously, in a second embodiment, because condenser 230 is connected in series on the cooling tube 160, and each condenser 230 has pair of pipes 231, further improved the heat exchange efficiency of cold-producing medium.
Then, in the method that is used for controlling air-conditioning system, according to indoor temperature T
In, outdoor temperature T
OutWith brine temp T
bIt is by indoor temperature transmitter 190, outdoor temperature sensor 250 and brine temperature sensor 260 remote sensing, to shown in Figure 6, determine the operation of outdoor heat exchanger 220, first and second cooling segments (expansion valve 110 and 110 ', brine cooler 120 and 120 ' and compressor 130 and 130 ') and condenser 230 as Fig. 4.
Therefore, salt solution is by outdoor heat exchanger 220 and natural cold air heat-shift, and being cooled to preferred temperature, or bypass is to indoor module 100, and not heat exchange in outdoor heat exchanger 220.
Particularly, the electric-powered shutter 270 and 270 that is installed in outdoor heat exchanger 220 and condenser 230 outsides ' in, when the whole cooling group of operation (expansion valve 110 and 110 ', brine cooler 120 and 120 ' and compressor 130 and 130 '), close shutter 270 ' (shutter 270 that is used for condenser 230 is simultaneously opened) of the outdoor heat exchanger that is useful on 220.Because this fact, thereby can prevent to discharge the phenomenon that air makes the efficient reduction of condenser 230 and produces noise from each direction because of outdoor blowers 240.
And, have except making outdoor module 200 miniaturizations and suppressing the fact of noise generation in the present invention, try hard to and to have absorbed from the brine-cooled of the heat of 300 inner spaces, base station to being lower than preferred temperature, optionally operate cooling group (expansion valve 110 and 110 ', brine cooler 120 and 120 ' and compressor 130 and 130 '), condenser 230 and outdoor heat exchanger 220 according to indoor, outdoor temperature and brine temp.Therefore, natural cold air can be effectively utilized, and, cold-producing medium and waste of electric energy can be prevented by optionally using cooling group and other part.
And, in the present invention, adopt dual salt water circulation structure, wherein serial or parallel connection is installed a pair of circulating pump 210, cooling group (expansion valve 110 and 110 ', brine cooler 120 and 120 ' and compressor 130 and 130 ') and condenser 230 respectively, and Brine Pipe 170 in parallel or be connected in series to brine cooler 120 and 120 '.As a result, improve cooling effectiveness, and can keep the state of cooling of communication apparatus reliably.
In drawing and description, typical preferred embodiment of the present invention is disclosed, though used particular term, they only use as the meaning general and description, and are not used in restriction, propose scope of the present invention in following claim.
Claims (12)
1, a kind of air-conditioning system that is used for communication apparatus is characterized in that, comprising:
Place the indoor module of inside of base station, communication apparatus is installed in the base station, indoor module with expansion valve, brine cooler, compressor, indoor heat exchanger and at least one indoor blower, expansion valve is installed on the cooling tube, each brine cooler has a pair of heat exchanger tube, cooling tube and an independent Brine Pipe of extending from each expansion valve are connected respectively on the above-mentioned heat exchanger tube, compressor is used to compress the cold-producing medium by brine cooler, indoor heat exchanger has heat exchanger tube, the Brine Pipe that extends from brine cooler is connected on the heat exchanger tube, and the contiguous indoor heat exchanger of at least one indoor blower is placed; With
Place the outdoor module of outside, base station, outdoor module has a pair of circulating pump, a pair of outdoor heat exchanger, a pair of condenser and at least one outdoor blowers, circulating pump is parallel-connected to from the Brine Pipe of indoor heat exchanger extension, the outdoor heat exchanger connection that is one another in series, simultaneously toward each other, each outdoor heat exchanger has heat exchanger tube, the Brine Pipe that extends from circulating pump is connected on the above-mentioned heat exchanger tube, condenser toward each other and have a pipe, the cooling tube that extends from the compressor of indoor module is parallel-connected on the aforementioned tube, and at least one outdoor blowers is between a pair of outdoor heat exchanger.
2, air-conditioning system according to claim 1, it is characterized in that: the expansion valve in the indoor module, brine cooler and compressor are formed single cooling group, above-mentioned cooling group is divided into first and second cooling segments, first and second cooling segments are connected respectively to the cooling tube that is separated from each other, and two brine coolers are parallel-connected on the Brine Pipe.
3, air-conditioning system according to claim 1, it is characterized in that: the expansion valve in the indoor module, brine cooler and compressor are formed single cooling group, above-mentioned cooling group is divided into first and second cooling segments, first and second cooling segments are connected respectively to the cooling tube that is separated from each other, and two brine coolers are connected in series on the Brine Pipe.
4, a kind of air-conditioning system that is used for communication apparatus is characterized in that, comprising:
Place the indoor module of inside of base station, communication apparatus is installed in the base station, indoor module with expansion valve, brine cooler, compressor, indoor heat exchanger and at least one indoor blower, expansion valve is installed on the cooling tube, each brine cooler has a pair of heat exchanger tube, cooling tube and an independent Brine Pipe of extending from each expansion valve are connected respectively on the above-mentioned heat exchanger tube, compressor is used to compress the cold-producing medium by brine cooler, indoor heat exchanger has heat exchanger tube, the Brine Pipe that extends from brine cooler is connected on the heat exchanger tube, and the contiguous indoor heat exchanger of at least one indoor blower is placed; With
Place the outdoor module of outside, base station, outdoor module has a pair of circulating pump, a pair of outdoor heat exchanger, a pair of condenser and at least one outdoor blowers, circulating pump is parallel-connected to from the Brine Pipe of indoor heat exchanger extension, the outdoor heat exchanger connection that is one another in series, simultaneously toward each other, each outdoor heat exchanger has heat exchanger tube, the Brine Pipe that extends from circulating pump is connected on the above-mentioned heat exchanger tube, condenser toward each other and have a pipe, the cooling tube that extends from the compressor of indoor module is connected in series on the aforementioned tube, and at least one outdoor blowers is between a pair of outdoor heat exchanger.
5, air-conditioning system according to claim 4, it is characterized in that: the expansion valve in the indoor module, brine cooler and compressor are formed single cooling group, above-mentioned cooling group is divided into first and second cooling segments, first and second cooling segments are connected respectively to cooling tube separated from one another, and two brine coolers are connected in series on the Brine Pipe.
6, according to any described air-conditioning system in the claim 2,3 and 5, it is characterized in that: in outdoor module, every pair of condenser has pair of pipes, and the cooling tube that extends from each cooling segment is connected on the aforementioned tube.
7, air-conditioning system according to claim 6, it is characterized in that: indoor temperature transmitter is installed in inside of base station, outdoor temperature sensor is installed in the outside, base station, and brine temperature sensor is installed on the part of Brine Pipe, and above-mentioned Brine Pipe is by introducing in the outdoor module behind the indoor heat exchanger.
8, air-conditioning system according to claim 7 is characterized in that: electric-powered shutter is installed in outdoor heat exchanger and condenser outside, and adjacent chamber external heat exchanger and condenser.
9, a kind of method that is used to control air-conditioning system according to claim 8 is characterized in that, comprising:
The first step: adopt indoor, outdoor temperature sensor and brine temperature sensor, indoor, the outdoor temperature of remote sensing base station and brine temp;
Second step: the indoor temperature and first fiducial temperature are compared, when indoor temperature is lower than first fiducial temperature, interrupt the operation of whole air-conditioning system;
The 3rd step: outdoor temperature and brine temp are compared, when outdoor temperature is lower than brine temp, start outdoor heat exchanger, and when outdoor temperature is equal to or higher than brine temp, interrupt the operation of outdoor heat exchanger;
The 4th step: when indoor temperature is higher than second fiducial temperature, starts first cooling segment and condenser, and when indoor temperature is equal to or less than second fiducial temperature, interrupt the operation of first cooling segment and condenser; With
The 5th step: when indoor temperature is higher than the 3rd fiducial temperature, starts first and second cooling segments and condenser, and when indoor temperature is equal to or less than the 3rd fiducial temperature, interrupt the operation of second cooling segment.
10, method according to claim 9 is characterized in that: the operation control electric-powered shutter according to outdoor heat exchanger and condenser opens and closes, and when operating whole cooling group and condenser with box lunch, closes the shutter that the adjacent chamber external heat exchanger is installed.
11, method according to claim 10, it is characterized in that: the 3rd step also comprised the first step in the 3rd step: when brine temp is lower than the 4th fiducial temperature, interrupt the operation of outdoor blowers, and when brine temp is equal to or higher than the 4th fiducial temperature, start outdoor blowers.
12, method according to claim 11, it is characterized in that: the first step in the 3rd step also comprises second step in the 3rd step: when brine temp is higher than the 4th fiducial temperature and is lower than the 5th fiducial temperature, interrupt the operation of outdoor blowers, and when brine temp is equal to or higher than the 5th fiducial temperature, start outdoor blowers.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020050086249 | 2005-09-15 | ||
| KR1020050086231 | 2005-09-15 | ||
| KR1020050086223 | 2005-09-15 | ||
| KR20050086223 | 2005-09-15 |
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| CN101171468A CN101171468A (en) | 2008-04-30 |
| CN100529587C true CN100529587C (en) | 2009-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB200680014884XA Expired - Fee Related CN100529587C (en) | 2005-09-15 | 2006-09-15 | Air conditioning system for communication equipment and controlling method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105025692B (en) * | 2015-08-17 | 2018-01-19 | 中国建筑标准设计研究院有限公司 | A kind of data center cooling system |
| CN105402920B (en) * | 2015-12-21 | 2018-02-06 | 重庆美的通用制冷设备有限公司 | Handpiece Water Chilling Units |
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| CN2489242Y (en) * | 2001-05-15 | 2002-05-01 | 北京凯特捷电子仪器有限责任公司 | Special-purpose integrated air conditioner for radio communication base station |
| KR20030009820A (en) * | 2001-07-24 | 2003-02-05 | 박희태 | regenerative air-conditioning unit using phase change material and method for thereof |
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| KR20040008302A (en) * | 2002-07-18 | 2004-01-31 | 박희태 | Versatile air conditioner and method for controlling thereof |
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| CN2779289Y (en) * | 2005-01-05 | 2006-05-10 | 余姚捷丰空调设备有限公司 | Controller of air-conditioning unit special for communication equipment room |
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| CN2489242Y (en) * | 2001-05-15 | 2002-05-01 | 北京凯特捷电子仪器有限责任公司 | Special-purpose integrated air conditioner for radio communication base station |
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| CN1403756A (en) * | 2001-08-29 | 2003-03-19 | 广东科龙电器股份有限公司 | Uninterrupted heating process and air conditioning system |
| KR20040008302A (en) * | 2002-07-18 | 2004-01-31 | 박희태 | Versatile air conditioner and method for controlling thereof |
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| CN101171468A (en) | 2008-04-30 |
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