CN105682426A - Heat-exchanging apparatus suitable for communication base station machine cabinet - Google Patents
Heat-exchanging apparatus suitable for communication base station machine cabinet Download PDFInfo
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- CN105682426A CN105682426A CN201610162522.0A CN201610162522A CN105682426A CN 105682426 A CN105682426 A CN 105682426A CN 201610162522 A CN201610162522 A CN 201610162522A CN 105682426 A CN105682426 A CN 105682426A
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- heat
- base station
- working medium
- communication base
- collecting pipe
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2029—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant with phase change in electronic enclosures
Abstract
The invention discloses a heat-exchanging apparatus suitable for a communication base station machine cabinet. The heat-exchanging apparatus comprises a heat-absorbing unit and a radiating unit; thermal dissipation is carried out by a heat-exchanging manner; when air flow in the communication machine cabinet passes though the heat-absorbing unit, the heat-absorbing unit transfers heat to a heat transfer working medium to gasify the heat transfer working medium; the gasified heat transfer working medium enters the radiating unit through a gas-state working medium channel; after outside cold air takes away the heat in the radiating unit, the heat transfer working medium is liquefied and back flows under gravity; the above process is implemented circularly, so that high heat-exchanging efficiency, more efficient thermal dissipation, a more energy-saving and reliable effect and an obvious temperature-control effect are realized; therefore, the stability of the operation of the communication equipment can be ensured, and various faults and hidden dangers caused by unstable heat management of the communication base station machine cabinet are avoided.
Description
Technical field
The present invention relates to heat exchange cooling system, especially a kind of heat-exchanger rig suitable in communication base station rack.
Background technology
Along with communications industry telecommunications room and communication base station enter the communication cabinet in 5G epoch, under the premise that in its rack, electronic devices and components power consumption sharply raises, in rack, how electronic devices and components are in stable running status, and the thermal control that one of its important necessary requirement is the inside and outside environment of rack reaches steady statue; Therefore the reliability of the temperature-controlling system in rack inner chamber body space and the intellectuality of temperature control process thereof can greatly affect strengthening and the performance of communication cabinet function too. Therefore how reliable, efficiently, low cost solve all faults and the hidden danger that rack, large data center and server bring because of thermal management instability; This is that telecom operators are for telecommunications room and without properly functioning problems paid close attention to the most such as ventilated type telecommunication cabinet, data centers.
In the world, home communications rack, server cabinet, high-end electrical control cubicles and large data center control its server of system, temperature is too high at present, is current communication base station, high-end electrical control cubicles and data center's common problem; Causing server to be delayed machine owing to temperature is too high in data center server, equally, ambient temperature is too high causes hygral equilibrium state tropical island effect aggravation in rack can have a strong impact on seriality and the reliability of communication. Cause that machine in-cabinet temperature is too high and have two reasons: one is owing to the quantity of server is continuously increased so that in data center, space is more and more nervous; Two is have no alternative but put increasing server in rack; Simultaneously, the developing direction of current computer is that volume is more and more less, more and more compacter, the particularly appearance of 5G and blade server, causes the scope that the temperature in communication cabinet inner chamber body and data center's rack can be born considerably beyond computer chip and integration module element. In order to solve the thermal management issues of telecommunications room, communication base station and equipment enclosure, conventional temperature control method be no lack of machine cabinet air-conditioner series, heat exchanger serial, integrated have the conventional temperature control products of communication cabinet such as the machine cabinet air-conditioner series of heat exchanger, air conditioner door control chamber series, digital variable multi-joint technology air conditioning system, liquid cooling system, the Ground Coupled Heat Pump cabinet inserted cooling system of door serial, air-air;But its energy resource consumption of such type of cooling accounts for more than 40% that base station is always consumed, particularly communications industry significantly rises by entering space power consumption in its rack of 5G epoch, therefore, reliable energy-conservation refrigerating mode has been widely considered to be the only selection of one of communication base station, communication cabinet and data center's thermal design.
The pattern of the commonly used cooling in communication cabinet inner chamber body space domestic, external is substantially the Industrial air conditioner with compressor or by the heat pipe air-cooled pattern as heat delivery vehicle at present, and its former energy consumption is high, and moving component causes poor reliability more; And the latter particularly 4G and following that is be in rack power consumption when 2400W, domestic and international industry mostly adopts air-air stacked tabular Heat transmission core body to dispel the heat, and power consumption is considerably beyond power consumption in 4G rack in 5G rack, adopting air-air or even additional semiconductor refrigerating, still reply heat radiation load it is difficult to, semiconductor refrigerating not only cost taken by themselves height and power consumption are big simultaneously, it is often more important that yet suffer from the problems such as reliability; And adopt point-to-point pipe direct cooling heat or liquid cold in blade server, and field of Communications such scheme beyond affordability again, worry liquid just in case leakage can bringing on a disaster property stop ruining machine fault.
To sum up analyze, electron trade and be about to enter the communications industry in 5G epoch, large data center etc. and all need the reasonability of the reliability of its cooling equipment of cooling system, controllability, stability and low manufacturing cost and operating cost, therefore along with the demand of field of Communications particularly 5G communication cabinet, the rack heat exchanger product of its more reliable, more cheap, more energy efficient novelty seems day by day urgent.
Summary of the invention
In order to solve above-mentioned technical problem, a kind of heat-exchanger rig suitable in communication base station rack provided by the invention, more energy efficient reliably, heat exchange efficiency is high, and radiating and cooling effect is more preferably.
To achieve these goals, the technical solution adopted in the present invention is:
A kind of heat-exchanger rig suitable in communication base station rack, including heat absorbing units and heat-sink unit, the upper end of described heat absorbing units is provided with header and lower end is provided with lower header, the upper end of described heat-sink unit is provided with collecting pipe and lower end is provided with lower collecting pipe, it is connected by some gaseous working medium channels between described upper header and upper collecting pipe, it is connected by some liquid refrigerant channels between described lower header with lower collecting pipe, in described heat absorbing units, is filled with heat-transfer working medium.
Preferably, described heat absorbing units includes some heat absorption micro-channel tubes and is entrained in the heat absorbing fins between heat absorption micro-channel tubes, the radially connected upper header of described heat absorption micro-channel tubes and lower header, and described heat-transfer working medium is arranged in heat absorption micro-channel tubes.
Preferably, described heat-sink unit includes some heat radiation micro-channel tubes and is entrained in the radiating fin between heat radiation micro-channel tubes, the radially connected upper collecting pipe of described heat radiation micro-channel tubes and lower collecting pipe.
In said structure, described heat absorption micro-channel tubes is connected sizing with radiating fin respectively through soldering with heat absorbing fins and heat radiation micro-channel tubes.
Preferably, the two ends of described each gaseous working medium channel are welded with upper header and upper collecting pipe respectively.
Preferably, the two ends of described each liquid refrigerant channel are welded with lower header and lower collecting pipe respectively.
Preferably, between described heat absorbing units and heat-sink unit, it is provided with seal isolation plate, is provided with the first hot-swappable fans in the heat sink region at described heat absorbing units place, in the heat dissipation region at described heat-sink unit place, is provided with the second hot-swappable fans.
It is furthermore preferred that the blowing direction of described first hot-swappable fans is perpendicular to the plane at heat absorbing units place, the blowing direction of described second hot-swappable fans is perpendicular to the plane at heat-sink unit place.
Beneficial effects of the present invention: the heat-exchanger rig of the present invention designs for communication base station rack, heat exchange method is utilized to dispel the heat, after communication cabinet inner air flow crosses heat absorbing units, heat absorbing units by conduction of heat to heat-transfer working medium so as to gasify, the heat-transfer working medium of gasification enters heat-sink unit through gaseous working medium channel, after outer cold air takes away the heat in heat-sink unit, heat-transfer working medium liquefies and is refluxed by action of gravity, reciprocation cycle according to this, heat exchange efficiency is high, dispel the heat more efficient, more energy efficient reliably, temperature control effect is notable, advantageously ensure that what communication apparatus ran stablizes, avoid various faults and hidden danger that communication base station rack brings because of thermal management instability.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further.
Fig. 1 is the sectional structure schematic diagram of embodiment in the present invention;
Fig. 2 is the structural representation of heat absorbing units in the present invention.
Detailed description of the invention
Referring to Fig. 1 and 2, a kind of heat-exchanger rig suitable in communication base station rack provided by the invention, including heat absorbing units 1 and heat-sink unit 2, the upper end of described heat absorbing units 1 is provided with header 13 and lower end is provided with lower header 14, the upper end of described heat-sink unit 2 is provided with collecting pipe 21 and lower end is provided with lower collecting pipe 22, it is connected by some gaseous working medium channels 3 between described upper header 13 with upper collecting pipe 21, it is connected by some liquid refrigerant channels 4 between described lower header 14 with lower collecting pipe 22, it is filled with in described heat absorbing units 1 and can be subject to thermal evaporation heat-transfer working medium. after communication cabinet inner air flow crosses heat absorbing units 1, heat absorbing units 1 by conduction of heat to heat-transfer working medium so as to gasify, the heat-transfer working medium of gasification enters heat-sink unit 2 through gaseous working medium channel 3, when, after the heat that outer cold air is taken away in heat-sink unit 2, heat-transfer working medium liquefies and refluxed by action of gravity, it flow in lower header 14 through liquid refrigerant channel 4, reciprocation cycle according to this, heat exchange efficiency is high, dispels the heat more efficient, and in accompanying drawing, arrow show air flow.
In this embodiment, described heat absorbing units 1 includes some heat absorption micro-channel tubes 11 and is entrained in the heat absorbing fins 12 between heat absorption micro-channel tubes 11, specifically, heat absorption micro-channel tubes 11 length direction at a certain distance along upper and lower header arranged radially, and respectively the termination of heat absorption micro-channel tubes 11 is inserted in the compartment hole being arranged on upper and lower header 14, between heat absorption micro-channel tubes 11, sandwich heat absorbing fins 12 simultaneously, and through tie up fixed-type after soldering sizing, to form the heat absorption core body of heat absorbing units 1, as shown in Figure 2. Described heat-transfer working medium is arranged in heat absorption micro-channel tubes 11, is also filled with heat-transfer working medium in lower header 14, and such heat transfer effect is better.
In this embodiment, described heat-sink unit 2 includes some heat radiation micro-channel tubes and is entrained in the radiating fin between heat radiation micro-channel tubes, heat-sink unit 2 is similar to the manufacture method of heat absorbing units 1, forms the heat radiation core body of heat-sink unit 2, the concrete structure of the not shown heat-sink unit 2 of accompanying drawing.
Preferably, the two ends of described gaseous working medium channel 3 are welded with upper header 13 and upper collecting pipe 21 respectively, and the two ends of described liquid refrigerant channel 4 are welded with lower header 14 and lower collecting pipe 22 respectively.Wherein, the manufacturing process of gaseous working medium channel 3 is, upper header 13 and on collecting pipe 21 radial direction tube wall on, the circular hole that individual diameter is R along quantity such as a certain angle symmetrical machining in opposite directions, and the pipe of certain length it is respectively welded at circular hole place, this fixed length pipe is the gaseous working medium channel 3 of heat-transfer working medium. Liquid refrigerant channel 4 is similar to the production method of gaseous working medium channel 3. After liquid refrigerant channel 4 has welded, the circular hole of Drilling operation one minor diameter on a certain bar liquid refrigerant channel 4, weld the fixed length copper pipe of a minor diameter herein and by this copper pipe by while heat absorbing units 1 and heat-sink unit 2 evacuation simultaneously, inject a certain amount of heat-transfer working medium, then fixed length copper pipe is pressed from both sides flat welded seal, so complete the encapsulation of heat-transfer working medium.
In order to be effectively improved heat transfer effect, seal isolation plate 5 is set between heat absorbing units 1 and heat-sink unit 2, and is consequently formed heat sink region relatively independent, that seal and heat dissipation region; First hot-swappable fans 6 is set in the heat sink region at heat absorbing units 1 place, the second hot-swappable fans 7 is set in the heat dissipation region at heat-sink unit 2 place. During work, heat absorbing units 1 and the first hot-swappable fans 6 connect with the cavity of airtight cabinet casing, and the space outerpace UNICOM of heat-sink unit 2 and the second hot-swappable fans 7 and airtight cabinet casing.
When after the hot-air of the first hot-swappable fans 6 suction seal rack inner chamber body being arranged in heat absorbing units 1, heat absorbing fins 12 absorbs heat and is conducted to heat absorption micro-channel tubes 11 and causes the heat-transfer working medium in its cavity to gasify, and the heat-transfer working medium after gasification enters the upper collecting pipe 21 of heat-sink unit 2 by gaseous working medium channel 3; Then heat is conducted to the heat radiation micro-channel tubes on heat-sink unit 2 and radiating fin, Cryogenic air outside rack is sucked by the second hot-swappable fans 7 being now arranged on heat-sink unit 2, by cooling down radiating fin and heat radiation micro-channel tubes, causing the heat-transfer working medium gas cooling in heat radiation micro-channel tubes cavity and so as to condense, condensed liquid enters liquid refrigerant channel 4 along heat radiation micro-channel tubes and confluxes with lower header 14; This heat-transfer working medium heat absorbing units 1 and the heat of heat-sink unit 2, cold air stream effect under, constantly with the reciprocal natural circulation mode of liquid-gas-liquid, the process that in such communication base station rack cavity, air is constantly cooled, that is be the cooled process of airtight cabinet cavity internal heat generation electronic component.
During installation, the blowing direction of the first above-mentioned hot-swappable fans 6 is perpendicular to the plane at heat absorbing units 1 place, the blowing direction of the second hot-swappable fans 7 is perpendicular to the plane at heat-sink unit 2 place, namely fan blade rotating shaft is vertical with the core body plane of heat absorbing units 1 and heat-sink unit 2 respectively, therefore enhances the efficiency of heat exchange. Described first hot-swappable fans 6 and the second hot-swappable fans 7 all can in design and installation spaces in the middle of heat absorbing units 1 with heat-sink unit 2, and when fan is once break down, it can take out in space, carries out safeguarding or changing.
The above, simply presently preferred embodiments of the present invention, the invention is not limited in above-mentioned embodiment, as long as it reaches the technique effect of the present invention with identical means, all should belong to protection scope of the present invention.
Claims (8)
1. the heat-exchanger rig being applicable to communication base station rack, it is characterized in that: include heat absorbing units (1) and heat-sink unit (2), the upper end of described heat absorbing units (1) is provided with header (13) and lower end is provided with lower header (14), the upper end of described heat-sink unit (2) is provided with collecting pipe (21) and lower end is provided with lower collecting pipe (22), it is connected by some gaseous working medium channels (3) between described upper header (13) and upper collecting pipe (21), it is connected by some liquid refrigerant channels (4) between described lower header (14) with lower collecting pipe (22), described heat absorbing units is filled with heat-transfer working medium in (1).
2. the heat-exchanger rig suitable in communication base station rack according to claim 1, it is characterized in that: described heat absorbing units (1) includes some heat absorptions micro-channel tubes (11) and is entrained in the heat absorbing fins (12) between heat absorption micro-channel tubes (11), the radially connected upper header (13) of described heat absorption micro-channel tubes (11) and lower header (14), described heat-transfer working medium is arranged in heat absorption micro-channel tubes (11).
3. the heat-exchanger rig suitable in communication base station rack according to claim 2, it is characterized in that: described heat-sink unit (2) includes some heat radiation micro-channel tubes and is entrained in the radiating fin between heat radiation micro-channel tubes, the radially connected upper collecting pipe of described heat radiation micro-channel tubes (21) and lower collecting pipe (22).
4. the heat-exchanger rig suitable in communication base station rack according to claim 3, it is characterised in that: described heat absorption micro-channel tubes (11) is connected sizing with radiating fin respectively through soldering with heat absorbing fins (12) and heat radiation micro-channel tubes.
5. the heat-exchanger rig suitable in communication base station rack according to claim 1, it is characterised in that: the two ends of described each gaseous working medium channel (3) are welded with upper header (13) and upper collecting pipe (21) respectively.
6. the heat-exchanger rig suitable in communication base station rack according to claim 5, it is characterised in that: the two ends of described each liquid refrigerant channel (4) are welded with lower header (14) and lower collecting pipe (22) respectively.
7. according to the arbitrary described heat-exchanger rig being applicable to communication base station rack of claim 1-6, it is characterized in that: between described heat absorbing units (1) and heat-sink unit (2), be provided with seal isolation plate (5), it is provided with the first hot-swappable fans (6) in the heat sink region at described heat absorbing units (1) place, in the heat dissipation region at described heat-sink unit (2) place, is provided with the second hot-swappable fans (7).
8. the heat-exchanger rig suitable in communication base station rack according to claim 7, it is characterized in that: the blowing direction of described first hot-swappable fans (6) is perpendicular to the plane at heat absorbing units (1) place, the blowing direction of described second hot-swappable fans (7) is perpendicular to the plane at heat-sink unit (2) place.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610162522.0A CN105682426B (en) | 2016-03-21 | 2016-03-21 | A kind of heat-exchanger rig suitable for communication base station cabinet |
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| CN201610162522.0A CN105682426B (en) | 2016-03-21 | 2016-03-21 | A kind of heat-exchanger rig suitable for communication base station cabinet |
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| CN105682426A true CN105682426A (en) | 2016-06-15 |
| CN105682426B CN105682426B (en) | 2018-04-13 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107479592A (en) * | 2017-09-08 | 2017-12-15 | 江门市中讯通信技术有限公司 | A kind of electric power compensation switch board with heat sink |
| CN107517572A (en) * | 2017-09-08 | 2017-12-26 | 江门市中讯通信技术有限公司 | A kind of heat abstractor suitable for communication cabinet |
| CN107579465A (en) * | 2017-09-08 | 2018-01-12 | 江门市杰信通信工程有限公司 | Electric power compensation control device is used in one kind communication |
| CN107613727A (en) * | 2017-09-08 | 2018-01-19 | 江门市杰信通信工程有限公司 | A kind of communications equipment room heat sink |
| CN107887820A (en) * | 2017-11-16 | 2018-04-06 | 江门市信通通信工程有限公司 | A kind of electric power compensation switch board |
| CN107885252A (en) * | 2017-11-16 | 2018-04-06 | 江门市信通通信工程有限公司 | A kind of electric power compensation control device of built-in radiator |
| CN107949241A (en) * | 2017-11-16 | 2018-04-20 | 江门市信通通信工程有限公司 | A kind of electric power equipment cabinet with heat sink |
| CN110779198A (en) * | 2019-11-25 | 2020-02-11 | 彭从文 | Moisture-keeping type air conditioner heat exchanger |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107479592A (en) * | 2017-09-08 | 2017-12-15 | 江门市中讯通信技术有限公司 | A kind of electric power compensation switch board with heat sink |
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| CN107885252A (en) * | 2017-11-16 | 2018-04-06 | 江门市信通通信工程有限公司 | A kind of electric power compensation control device of built-in radiator |
| CN107949241A (en) * | 2017-11-16 | 2018-04-20 | 江门市信通通信工程有限公司 | A kind of electric power equipment cabinet with heat sink |
| CN110779198A (en) * | 2019-11-25 | 2020-02-11 | 彭从文 | Moisture-keeping type air conditioner heat exchanger |
| CN110779198B (en) * | 2019-11-25 | 2021-06-15 | 东莞市金鸿盛电器有限公司 | Moisture-keeping type air conditioner heat exchanger |
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Effective date of registration: 20220628 Address after: 518126 Room 501, Bailu (9b), Taihua Wutong Industrial Park, Sanwei community, Hangcheng street, Bao'an District, Shenzhen City, Guangdong Province Patentee after: SHENZHEN OUTU INTELLIGENT TECHNOLOGY CO.,LTD. Address before: 529700 202, No. 17, block 6, Hengchang garden, shaping Town, Heshan, Jiangmen City, Guangdong Province Patentee before: He Zhixin Patentee before: High poetry and white |
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Address after: 518104 Room 1002, Building 1, Commercial Building, Digang Avenue Cultural and Sports Center, Digang Community, Shajing Street, Baoan District, Shenzhen, Guangdong, China Patentee after: Xiaobai Intelligent Application (Shenzhen) Co.,Ltd. Address before: 518126 Room 501, Bailu (9b), Taihua Wutong Industrial Park, Sanwei community, Hangcheng street, Bao'an District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN OUTU INTELLIGENT TECHNOLOGY CO.,LTD. |