CN104684361A - Cabinet employing air conditioner combination system and group control method of cabinet - Google Patents
Cabinet employing air conditioner combination system and group control method of cabinet Download PDFInfo
- Publication number
- CN104684361A CN104684361A CN201510076670.6A CN201510076670A CN104684361A CN 104684361 A CN104684361 A CN 104684361A CN 201510076670 A CN201510076670 A CN 201510076670A CN 104684361 A CN104684361 A CN 104684361A
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- conditioning
- air
- air conditioner
- direct
- temperature
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Abstract
The invention relates to a cabinet employing an air conditioner combination system and a group control method of the cabinet. The cabinet comprises an air conditioner combination consisting of a direct current air conditioner (11) and N alternating current air conditioners (12). The method comprises the steps of detecting temperature and temperature change in the cabinet via a temperature sensor, reducing refrigerating capacity output by the direct current air conditioner according to temperature drop, increasing the refrigerating capacity output by the direct current air conditioner according to temperature rise, judging a setting temperature scope to which the current temperature belongs, and switching on the corresponding quantity of the alternating current air conditioners according to 0-N operation states corresponding to the set temperature scope. According to the cabinet employing the air conditioner combination system and the group control method of the cabinet, stepless adjustment of the refrigerating capacity in a large scope, energy conservation and environmental protection are achieved, operation requirements of equipment in the cabinet are met, and the cost is greatly lowered at the same time.
Description
Technical field
The present invention relates to equipment enclosure and temperature control, be specifically related to a kind of rack and the group control method thereof that adopt air-conditioning combined system, especially a kind of many cabins communication apparatus adopts rack and the group control method thereof of air-conditioning combined system.
Background technology
In rack field, traditional interchange air-conditioning adopts 220V 50HZ AC-powered, and constant speed is run, and exports refrigerating capacity immutable, low price.Direct-flow air conditioner adopts 48V direct current supply, variable-speed operation, exports variable cooling capacity, but price.In some field, important electronic equipment, as some communication apparatus, its operating ambient temperature require very high, and equipment heating amount in time or telephone traffic alter a great deal, need refrigerating capacity step-less adjustment could meet.For this reason, traditional rack is all employing direct-flow air conditioners, and this makes the cost of rack greatly increase.
Summary of the invention
The invention provides a kind of rack and the group control method thereof that adopt air-conditioning combined system, significantly scope refrigerating capacity step-less adjustment and energy-conserving and environment-protective can be realized, meet the requirement that equipment within machine cabinet runs, reduce costs simultaneously.
First technical problem of the present invention solves like this: build a kind of rack adopting air-conditioning combined system, comprise the air-conditioning of rack and interior of equipment cabinet installation setting, it is characterized in that, described air-conditioning to exchange by a direct-flow air conditioner air-conditioning that air-conditioning forms and combines with one or more; A unique direct-flow air conditioner in described air-conditioning combination controls each of electrical connection and exchanges air-conditioning, this direct-flow air conditioner controls rack internal refrigeration storage like this: detect interior of equipment cabinet temperature and variations in temperature, according to the refrigerating capacity of variations in temperature dynamic adjustments direct-flow air conditioner self, and the design temperature range section residing for Current Temperatures opens the interchange air-conditioning of respective amount.
According to the rack of employing air-conditioning combined system provided by the invention, adopt the rack of air-conditioning combined system also known as cabinet air conditioner group, its control method is also known as group control method.
According to the rack of employing air-conditioning combined system provided by the invention, according to the refrigerating capacity of variations in temperature dynamic adjustments direct-flow air conditioner self, comprise and close direct-flow air conditioner compressor completely.
According to the rack of employing air-conditioning combined system provided by the invention, this direct-flow air conditioner includes, but are not limited to be exchanged air conditioner electric by RS232, USB, RS485 universal serial bus be connected with each.
According to the rack of employing air-conditioning combined system provided by the invention, described rack is many deck tanks, and every cabin is installed and arranged an air-conditioning, is communicated with between cabin with cabin.
According to the rack of employing air-conditioning combined system provided by the invention, be communicated with between cabin with cabin, can not dividing plate be set, the dividing plate arranging band through hole also can be installed.
According to the rack of employing air-conditioning combined system provided by the invention, each air-conditioning arranges the temperature sensor of internal control module and electrical connection thereof.
According to the rack of employing air-conditioning combined system provided by the invention, direct-flow air conditioner internal control module is master & slave control with exchanging air-conditioning internal control module.
Another technical problem of the present invention solves like this: build a kind of rack group control method adopting air-conditioning combined system, it is characterized in that, utilize a direct-flow air conditioner to exchange the air-conditioning combination of air-conditioning composition with N platform, N is natural number, and this group control method carries out execution refrigeration control like this:
In-cabinet temperature and variations in temperature is detected by temperature sensor;
Reduce the refrigerating capacity of direct-flow air conditioner output according to temperatures cool, increase the refrigerating capacity of direct-flow air conditioner output according to temperature heating;
Judge the design temperature range section residing for Current Temperatures, and according to the operating state of 0-N corresponding to design temperature range section, open the interchange air-conditioning of respective amount.
According to the rack group control method of employing air-conditioning combined system provided by the invention, the refrigerating capacity that described minimizing direct-flow air conditioner exports comprises final plant closure direct-flow air conditioner compressor.
According to the rack group control method of employing air-conditioning combined system provided by the invention, described detection in-cabinet temperature and variations in temperature comprise read every platform air-conditioning separately temperature sensor gather data, can average, also can get peak.
According to the rack group control method of employing air-conditioning combined system provided by the invention, N=1, this group control method carries out On/Off air-conditioning or compressor of air conditioner like this:
901) obtain every platform air-conditioning separately temperature sensor collection temperature data and calculate respective average T
flat;
902) T is judged
flat≤ the first thresholding T
openenter step 903), otherwise enter step 904);
903) close direct-flow air conditioner compressor and exchange air-conditioning, returning step 901);
904) T is judged
open<T
flat≤ the second thresholding (T
open+ T
return)? enter step 905), otherwise enter step 906);
905) open direct-flow air conditioner compressor, close interchange air-conditioning, return step 901);
906) open direct-flow air conditioner compressor and exchange air-conditioning, returning step 901).
According to the rack group control method of employing air-conditioning combined system provided by the invention, N=2, this group control method carries out On/Off air-conditioning or compressor of air conditioner like this:
1001) obtain every platform air-conditioning separately temperature sensor collection temperature data and calculate respective average T
flat;
1002) T is judged
flat≤ the first thresholding T
openenter step 1003), otherwise enter step 1004);
1003) close direct-flow air conditioner compressor and all exchange air-conditioning, returning step 1001);
1004) T is judged
open<T
flat≤ the second thresholding (T
open+ 0.5T
return)? enter step 1005), otherwise enter step 1006);
1005) open direct-flow air conditioner compressor, closedown all exchanges air-conditioning, return step 1001);
1006) the second thresholding (T is judged
open+ 0.5T
return) <T
flat≤ the three thresholding (T
open+ T
return)? enter step 1007), otherwise enter step 1008);
1007) open direct-flow air conditioner compressor to exchange air-conditioning with one, close another interchange air-conditioning, return step 1001), return step 1001);
1008) open direct-flow air conditioner compressor and all exchange air-conditioning, returning step 1001).
The rack of employing air-conditioning combined system provided by the invention and group control method thereof, comparatively prior art has following advantage:
1, cost is low, low price;
2, the scope of a stepless refrigeration of direct-flow air conditioner is significantly promoted;
3, simple, energy-conserving and environment-protective are controlled.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail further.
Fig. 1 is the configuration diagram that the present invention adopts two deck tanks of air-conditioning combined system;
Fig. 2 is the stepless refrigeration principle schematic diagram of system shown in Figure 1;
Fig. 3 is the control flow schematic diagram of system shown in Figure 1;
Fig. 4 is the configuration diagram that the present invention adopts three deck tanks of air-conditioning combined system;
Fig. 5 is the stepless refrigeration principle schematic diagram of system shown in Figure 4;
Fig. 6 is the control flow schematic diagram of system shown in Figure 4.
Wherein Reference numeral: 11-direct-flow air conditioner, 12-exchanges air-conditioning, and 13-is with the dividing plate of through hole, 14-RS485 bus.
Embodiment
First, brief description starting point of the present invention:
1, air-conditioning combination
Exchange air-conditioning by a direct-flow air conditioner with some to form, compare that direct-flow air conditioner realizes significantly, FR stepless refrigeration, simultaneously, low price with low cost compared with multiple stage direct-flow air conditioner again;
2, master & slave control
Existing air-conditioning has control module, in a preferred embodiment of the invention, is controlled to exchange air-conditioning On/Off by direct-flow air conditioner hosted, and the comprehensive temperature data reading interchange air conditioner temperature sensor and detect.
The second, key of the present invention and core are described:
1, reduce the refrigerating capacity of direct-flow air conditioner output according to temperatures cool, increase the refrigerating capacity of direct-flow air conditioner output according to temperature heating, cabinet air conditioner is combined and carries out step-less adjustment all the time;
2, judge the design temperature range section residing for Current Temperatures, and the 0-corresponding according to design temperature range section exchanges the operating state of the sum of air-conditioning, opens the interchange air-conditioning of respective amount, increases the step-less adjustment scope of a direct-flow air conditioner.
3rd, describe the embody rule of the present invention on communication cabinet in detail:
(i) two deck tanks
As shown in Figure 1, in this two deck tank, a direct-flow air conditioner 11 is installed in a cabin, and another cabin is installed one and exchanged the dividing plate 13 arranging band through hole between air-conditioning 12, two cabin, and direct-flow air conditioner 11 controls electrical connection by RS485 bus 14 and exchanges air-conditioning 12.Temperature Principles of Regulation as shown in Figure 2, direct-flow air conditioner 11 with exchange air-conditioning 12 in a joint manner, realize refrigerating capacity step-less adjustment, meet equipment run requirement, reduce costs simultaneously.
Said temperature regulates corresponding team control logical program to operate in the internal control module of a unique direct-flow air conditioner, as shown in Figure 3, by direct-flow air conditioner as main frame, controls to exchange opening/stopping of air-conditioning, specifically comprises the following steps:
301) obtain the collection of each air-conditioning own temperature transducer temperature data and calculate respective average T put down;
302) do you judge that flat≤the first thresholding T of T opens? enter step 303), otherwise enter step 304);
303) close direct-flow air conditioner compressor and exchange air-conditioning, returning step 301);
304) do you judge that T opens flat≤the second thresholding (T opens+T and returns) of <T? enter step 305), otherwise enter step 306);
305) open direct-flow air conditioner compressor, close interchange air-conditioning, return step 901);
306) open direct-flow air conditioner compressor and exchange air-conditioning, returning step 901).
(ii) three deck tanks
As shown in Figure 4, in this three deck tank, a direct-flow air conditioner 11 is installed in middle cabin, and cabin, both sides is installed one respectively and exchanged air-conditioning 12, arrange the dividing plate 13 of band through hole between adjacent two cabins, intermediate dc air-conditioning 11 controls electrical connection two respectively by RS485 bus 14 and exchanges air-conditioning 12.As shown in Figure 5, a direct-flow air conditioner 11 exchanges air-conditioning 12 in a joint manner with two to temperature Principles of Regulation, realizes refrigerating capacity step-less adjustment, meets the requirement that equipment runs, reduces costs simultaneously.
Said temperature regulates corresponding team control logical program to operate in the internal control module of a unique direct-flow air conditioner, as shown in Figure 6, by direct-flow air conditioner as main frame, controls to exchange opening/stopping of air-conditioning, specifically comprises the following steps:
601) obtain the collection of each air-conditioning own temperature transducer temperature data and calculate respective average T put down;
602) do you judge that flat≤the first thresholding T of T opens? enter step 603), otherwise enter step 604);
603) close direct-flow air conditioner compressor and all exchange air-conditioning, returning step 601);
604) do you judge that T opens flat≤the second thresholding (T opens+0.5T and returns) of <T? enter step 605), otherwise enter step 606);
605) open direct-flow air conditioner compressor, close two interchange air-conditionings, return step 601);
606) do you judge that the second thresholding (T opens+0.5T and returns) <T puts down the≤the three thresholding (T opens+T and returns)? enter step 607), otherwise enter step 608);
607) open direct-flow air conditioner compressor to exchange air-conditioning with one, close another interchange air-conditioning, return step 601);
608) open direct-flow air conditioner compressor and exchange air-conditioning with two, return step 601).
The foregoing is only preferred embodiment of the present invention, all equalizations done according to the claims in the present invention scope change and modify, and all should belong to the covering scope of the claims in the present invention.
Claims (10)
1. adopt a rack for air-conditioning combined system, comprise rack and interior of equipment cabinet and install the air-conditioning arranged, it is characterized in that, described air-conditioning to exchange by a direct-flow air conditioner (11) the air-conditioning combination that air-conditioning (12) forms with one or more; A unique direct-flow air conditioner in described air-conditioning combination controls each of electrical connection and exchanges air-conditioning, this direct-flow air conditioner controls rack internal refrigeration storage like this: detect interior of equipment cabinet temperature and variations in temperature, according to the refrigerating capacity of variations in temperature dynamic adjustments direct-flow air conditioner self, and the design temperature range section residing for Current Temperatures opens the interchange air-conditioning of respective amount.
2. adopt the rack of air-conditioning combined system according to claim 1, it is characterized in that, this direct-flow air conditioner (11) is exchanged air conditioner electric by RS485 universal serial bus be connected with each.
3. adopt the rack of air-conditioning combined system according to claim 1, it is characterized in that, described rack is many deck tanks, and every cabin is installed and arranged an air-conditioning, is communicated with between cabin with cabin.
4. adopt the rack of air-conditioning combined system according to claim 3, it is characterized in that, the dividing plate arranging band through hole is installed between cabin and cabin.
5. according to any one of claim 1-4, adopt the rack of air-conditioning combined system, it is characterized in that, each air-conditioning arranges the temperature sensor of internal control module and electrical connection thereof.
6. adopt a rack group control method for air-conditioning combined system, it is characterized in that, utilize a direct-flow air conditioner to exchange the air-conditioning combination of air-conditioning composition with N platform, N is natural number, and this group control method carries out execution refrigeration control like this:
In-cabinet temperature and variations in temperature is detected by temperature sensor;
Reduce the refrigerating capacity of direct-flow air conditioner output according to temperatures cool, increase the refrigerating capacity of direct-flow air conditioner output according to temperature heating;
Judge the design temperature range section residing for Current Temperatures, and according to the operating state of 0-N corresponding to design temperature range section, open the interchange air-conditioning of respective amount.
7. adopt the rack group control method of air-conditioning combined system according to claim 6, it is characterized in that, the refrigerating capacity that described minimizing direct-flow air conditioner exports comprises final plant closure direct-flow air conditioner compressor.
8. adopt the rack group control method of air-conditioning combined system according to claim 6, it is characterized in that, described detection in-cabinet temperature and variations in temperature comprise and read every platform air-conditioning data of gathering of temperature sensor separately.
9. adopt the rack group control method of air-conditioning combined system according to claim 6, it is characterized in that, N=1, this group control method carries out On/Off air-conditioning or compressor of air conditioner like this:
901) obtain every platform air-conditioning separately temperature sensor collection temperature data and calculate respective average T
flat;
902) T is judged
flat≤ the first thresholding T
openenter step 903), otherwise enter step 904);
903) close direct-flow air conditioner compressor and exchange air-conditioning, returning step 901);
904) T is judged
open<T
flat≤ the second thresholding (T
open+ T
return)? enter step 905), otherwise enter step 906);
905) open direct-flow air conditioner compressor, close interchange air-conditioning, return step 901);
906) open direct-flow air conditioner compressor and exchange air-conditioning, returning step 901).
10. adopt the rack group control method of air-conditioning combined system according to claim 6, it is characterized in that, N=2, this group control method carries out On/Off air-conditioning or compressor of air conditioner like this:
1001) obtain every platform air-conditioning separately temperature sensor collection temperature data and calculate respective average T
flat;
1002) T is judged
flat≤ the first thresholding T
openenter step 1003), otherwise enter step 1004);
1003) close direct-flow air conditioner compressor and exchange air-conditioning with two, return step 1001);
1004) T is judged
open<T
flat≤ the second thresholding (T
open+ 0.5T
return)? enter step 1005), otherwise enter step 1006);
1005) open direct-flow air conditioner compressor, close two interchange air-conditionings, return step 1001);
1006) the second thresholding (T is judged
open+ 0.5T
return) <T
flat≤ the three thresholding (T
open+ T
return)? enter step 1007), otherwise enter step 1008);
1007) open direct-flow air conditioner compressor to exchange air-conditioning with one, close another interchange air-conditioning, return step 1001);
1008) open direct-flow air conditioner compressor and exchange air-conditioning with two, return step 1001).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510076670.6A CN104684361B (en) | 2015-02-13 | 2015-02-13 | A kind of rack and its group control method of employing air-conditioning combined system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510076670.6A CN104684361B (en) | 2015-02-13 | 2015-02-13 | A kind of rack and its group control method of employing air-conditioning combined system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104684361A true CN104684361A (en) | 2015-06-03 |
| CN104684361B CN104684361B (en) | 2017-03-29 |
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ID=53318744
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510076670.6A Active CN104684361B (en) | 2015-02-13 | 2015-02-13 | A kind of rack and its group control method of employing air-conditioning combined system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105240995A (en) * | 2015-09-22 | 2016-01-13 | 上海斐讯数据通信技术有限公司 | Automatic temperature control system and method for computer room |
| CN107655140A (en) * | 2017-08-17 | 2018-02-02 | 华为技术有限公司 | A kind of air conditioning control method and device |
| CN109140681A (en) * | 2018-08-06 | 2019-01-04 | 深圳供电局有限公司 | A kind of substation's air conditioner energy saving management method and system |
| CN110145840A (en) * | 2019-05-06 | 2019-08-20 | 青岛海尔空调器有限总公司 | A kind of control method, control device and the electronic equipment of air-conditioning group |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011039891A (en) * | 2009-08-14 | 2011-02-24 | Kddi Corp | Air conditioning management method and air conditioning management device in data center |
| CN102721114A (en) * | 2012-06-14 | 2012-10-10 | 华为技术有限公司 | Base station cabinet air conditioner, operation control method and controller |
| CN102821581A (en) * | 2011-06-08 | 2012-12-12 | 上海启电信息科技有限公司 | Energy saving method for communication machine room |
| CN103730946A (en) * | 2012-10-12 | 2014-04-16 | 台达电子工业股份有限公司 | Server cooling system with alternating current and direct current power supply and operation method thereof |
-
2015
- 2015-02-13 CN CN201510076670.6A patent/CN104684361B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011039891A (en) * | 2009-08-14 | 2011-02-24 | Kddi Corp | Air conditioning management method and air conditioning management device in data center |
| CN102821581A (en) * | 2011-06-08 | 2012-12-12 | 上海启电信息科技有限公司 | Energy saving method for communication machine room |
| CN102721114A (en) * | 2012-06-14 | 2012-10-10 | 华为技术有限公司 | Base station cabinet air conditioner, operation control method and controller |
| CN103730946A (en) * | 2012-10-12 | 2014-04-16 | 台达电子工业股份有限公司 | Server cooling system with alternating current and direct current power supply and operation method thereof |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105240995A (en) * | 2015-09-22 | 2016-01-13 | 上海斐讯数据通信技术有限公司 | Automatic temperature control system and method for computer room |
| CN105240995B (en) * | 2015-09-22 | 2017-11-14 | 上海斐讯数据通信技术有限公司 | A kind of computer room automatic temperature control system and temperature control method |
| CN107655140A (en) * | 2017-08-17 | 2018-02-02 | 华为技术有限公司 | A kind of air conditioning control method and device |
| CN107655140B (en) * | 2017-08-17 | 2019-11-26 | 华为技术有限公司 | A kind of air conditioning control method and device |
| CN109140681A (en) * | 2018-08-06 | 2019-01-04 | 深圳供电局有限公司 | A kind of substation's air conditioner energy saving management method and system |
| CN110145840A (en) * | 2019-05-06 | 2019-08-20 | 青岛海尔空调器有限总公司 | A kind of control method, control device and the electronic equipment of air-conditioning group |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104684361B (en) | 2017-03-29 |
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Address after: 518000 Ma Jialong 17, 1701, Daxin Road, Nanshan District, Shenzhen, Guangdong, 17 Patentee after: SUNSEA AIOT TECHNOLOGY Co.,Ltd. Address before: 518057 No. 107, Tsinghua information port complex, Nanshan District, Shenzhen, Guangdong. Patentee before: SUNSEA TELECOMMUNICATIONS Co.,Ltd. |
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Effective date of registration: 20190415 Address after: 518000 Plant 1201, No. 3 Guansheng 4th Road, Luhu Community, Guanhu Street, Longhua District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Rihai Intelligent Equipment Co.,Ltd. Address before: 518000 Ma Jialong 17, 1701, Daxin Road, Nanshan District, Shenzhen, Guangdong, 17 Patentee before: SUNSEA AIOT TECHNOLOGY Co.,Ltd. |
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