CN110062297A - A kind of base station 5G cooling system - Google Patents
A kind of base station 5G cooling system Download PDFInfo
- Publication number
- CN110062297A CN110062297A CN201910281112.1A CN201910281112A CN110062297A CN 110062297 A CN110062297 A CN 110062297A CN 201910281112 A CN201910281112 A CN 201910281112A CN 110062297 A CN110062297 A CN 110062297A
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- heat
- base station
- radiator
- conductive structure
- cooling
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/02—Constructional details
- H04Q1/035—Cooling of active equipments, e.g. air ducts
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
-
- 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
- H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
-
- 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
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a kind of base station 5G cooling systems, it includes conductive structure and the radiator that can carry out heat exchange therewith, the conductive structure and radiator are arranged on the base station 5G, and the heat that the heating device of heat-generating units distributes in the room of the base station 5G is conducted to radiator and distributed by the conductive structure.Conductive structure of the invention can carry out heat exchange with radiator, so that the heat that heating device distributes in the room of the base station 5G is conducted to radiator and distributed by conductive structure, radiating efficiency is high, can satisfy the radiating requirements of the base station 5G internal heat generation device.And, conductive structure and radiator of the present invention are arranged on the base station 5G, so that cooling system and heating device is the integrated design, radiate it is not necessary that computer room is in addition arranged to heating device, reach section space-efficient purpose, can satisfy the demand of the miniaturization of the base station 5G, flexible setting.
Description
Technical field
The present invention relates to a kind of base station 5G cooling systems.
Background technique
Currently, with the flourishing growth of the applications such as VR/AR, automatic Pilot, robot, video monitoring, one along with 5G
The data tsunami of all things on earth intelligence connection is just billowing to attack, and the power consumption that mass data causes will also be doubled and redoubled.It is expected that
By 2025, the communications industry will consume the electric power in the whole world 20%.The electricity charge are determined as highest OPEX by some operators and pay,
The 15% of operator's total operating cost is at least accounted for, and in the mobile communication network, base station is power consumption rich and influential family, about 80% energy consumption
From widely distributed base station.The base station of more crypto set means higher energy consumption, this is that a big cost of 5G network faces is chosen
War.
Base station, that is, public mobile communication base station is a kind of form of radio station, is referred in certain area of radio coverage
In, radio station is believed in the transceiving by carrying out information transmitting between mobile switching center, with mobile telephone terminal.Base station
Major function be to provide wireless coverage, i.e. wireless signal transmission between realization wireline communication network and wireless terminal.Such as Fig. 1
It is shown, the internal unit of base station include BBU (Building Base-band Unit baseband processing equipment), radio frequency (RF) unit,
Power amplifier (PA), main power source (including power supply unit and Switching Power Supply), antennal interface, cooling system etc., wherein BBU includes
Control unit, transmission unit (connecting with core net) and baseband processing unit etc., are mainly responsible for signal filtering, OFDM, modulatedemodulate
It adjusts, frequency domain handles the functions such as (symbol mapping/demapping and MIMO equilibrium etc.), CPRI, DPD (digital pre-distortion processing).Base station
Power consumption is divided into three categories type: transmission power consumption calculates power consumption and extra power consumption.With the promotion at double of 5G transmission rate, the base station 5G
Mass data will be handled, and with the continuous development of 5G business, the calculating power consumption of baseband processing equipment will gradually in the room of the base station 5G
Rise.Therefore, in the 5G epoch, the calculating power consumption of base station will be substantially improved and be more than transmission power consumption.
The base station 5G calculates power consumption and rises, and bring is not only power consumption problem, and there are also heat dissipation problems.At present for base station
Heat dissipation mainly using construction base station machine room, the room temperature of computer room is adjusted by air-conditioning, to realize the effect of heat dissipation.But
It is that the base station 5G calculates the rising of power consumption with it, more heat dissipation power consumptions will be brought using air-conditioning heat dissipation, meanwhile, with the side 5G
Edge calculates and the development of high speed local cache, and the small base station being suspended on the lamp stand of city will execute more and more numbers in future
According to storage and computing function, however, being not particularly suited for heat dissipation of the small base station under such environment using Air Conditioning Facilities.
Summary of the invention
The purpose of the present invention is to provide a kind of radiating efficiency height, the section base station space-efficient 5G cooling system.
Above-mentioned purpose of the invention is realized by technical measures below: a kind of base station 5G cooling system, feature exist
In: it includes conductive structure and the radiator that can carry out heat exchange therewith, and the conductive structure and radiator are arranged in the base station 5G
On, the heat that the heating device of heat-generating units distributes in the room of the base station 5G is conducted to radiator and is given out by the conductive structure
It goes.
Conductive structure of the invention can carry out heat exchange with radiator, so that the heat that heating device distributes in the room of the base station 5G
It conducts to radiator and distributes by conductive structure, radiating efficiency is high, can satisfy the heat dissipation of the base station 5G internal heat generation device
Demand.Moreover, conductive structure of the present invention and radiator are arranged on the base station 5G, set cooling system and heating device integration
Meter, radiates to heating device it is not necessary that computer room is in addition arranged, has reached section space-efficient purpose, it is small-sized to can satisfy the base station 5G
Change, the demand of flexible setting.
As one embodiment of the present invention, the conductive structure is made from a material that be thermally conductive with hollow chamber
Cold plate and circulation line, the cold plate are in contact with the indoor heating device in the base station 5G, the cold plate have inlet and
Liquid outlet, one end of the circulation line connect inlet, and the other end connects liquid outlet, and the circulation line and radiator carry out
Heat exchange.The present invention uses cold plate as conductive structure, while using the biggish radiator of heat dissipation area, can be dissipated by increasing
Heat area radiates, and further increases radiating efficiency.
As another embodiment of the invention, the heating device of the heat-generating units is built in structure in a closed shell
At heat generating device, insulating and cooling liquid is filled in the closed housing body, the heat generating device uses immersion liquid cooling or spray
Leaching formula liquid cooling, is equipped with inlet and liquid outlet on the closed shell, and the conductive structure is a circulation line, the circulation
The both ends of pipeline are separately connected inlet and liquid outlet, and the circulation line and radiator carry out heat exchange.
As another embodiment of the invention, the heating device of the heat-generating units is built in structure in a closed shell
At heat generating device, insulating and cooling liquid is filled in the closed housing body, insulating and cooling liquid is protruded into one end of the conductive structure
In, the other end is then pierced by shell and radiator carries out heat exchange.The present invention directly contacts heat dissipation with heating device by coolant liquid,
Coolant liquid can be mineral oil, silicone oil etc..Since the specific heat capacity of liquid is higher compared to air, the liquid band heat of equal volume is obvious
Higher than air, therefore heat dissipation effect is improved, while the heat that coolant liquid carries is distributed by conductive structure by radiator,
Radiating efficiency is high, reduces heat dissipation power consumption, save the cost.
The present invention is heat pipe there are also a kind of embodiment, the conductive structure, and the heat pipe is at least one, the heat pipe
Interior to be filled with heat-exchange working medium, every heat pipe is a circulation loop, and heat pipe has heat-conducting part and radiating part, and the heat-conducting part is in exhausted
In edge coolant liquid, the radiating part, which is located at except shell, carries out heat exchange with radiator.The heat-conducting part of the heat pipe absorbs cooling
Heat in liquid, heat-exchange working medium undergo phase transition after absorbing heat and are delivered to radiator, make heat-exchange working medium by radiator cooling
Phase transformation is back to the heat-conducting part of heat pipe, completes a cyclic process.Heat-exchange working medium can be water or ethylene glycol, be made using heat pipe
For conductive structure, radiating efficiency can further improve.
As a kind of preferred embodiment of the present invention, the intracorporal whole heaters of insulating and cooling liquid submergence closed housing
Part.
The present invention can according to the actual situation on site, and the radiator is located at outer in the room of base station or outside base station
In boundary's environment, preferably radiator is arranged in external environment.
The present invention is suitable for the higher heat-producing device of radiating requirements, and the heat-generating units are baseband processing unit, radio frequency drawing
The following equipment that may increase to inside of base station such as remote unit, server or interchanger.
Radiator of the present invention by air-cooled or water-cooling pattern by conductive structure be conducted through come heat acceleration dissipate, mention
High cooling efficiency, to meet higher radiating requirements.
When the base station 5G scale is relatively large, heat-generating units of the present invention be it is multiple, each heat-generating units pass through respective
Conductive structure be connected with radiator and independently radiate；Or the heat-generating units be it is multiple, multiple heat-generating units are placed in same
In cabinet, the conductive structure and radiator of each heat-generating units are located in the cabinet or positioned at the cabinet being arranged independently of cabinet
Interior realization integral heat sink.Structure of the invention is compact, saves space occupied, radiates it is not necessary that computer room is in addition arranged, facilitate 5G base
The design layout stood.
Compared with prior art, the present invention has following significant effect:
(1) conductive structure of the invention can carry out heat exchange with radiator, so that the heat that heating device distributes in the room of the base station 5G
Amount is conducted to radiator and is distributed by conductive structure, and radiating efficiency is high, can satisfy dissipating for the base station 5G internal heat generation device
Heat demand.
(2) the present invention directly contacts heat dissipation with heating device by coolant liquid, due to the specific heat capacity of liquid compare air compared with
The liquid band heat of height, equal volume is apparently higher than air, therefore heat dissipation effect can be improved, and can satisfy BBU and calculates power consumption increasing
Add bring radiating requirements.
(3) conductive structure of the invention and radiator are arranged on the base station 5G, make cooling system and heating device integration,
Radiate it is not necessary that computer room is in addition arranged to heating device, reached section space-efficient purpose, can satisfy the base station 5G miniaturization,
The demand of flexible setting.
(4) the present invention uses liquid-cooling heat radiation, and heat exchange efficiency is high, it is possible to reduce heat dissipation power consumption, save the cost.
(5) cooling system of the invention, it is compact-sized, space occupied is saved, is radiated it is not necessary that computer room is in addition arranged, side
Just the design layout of the base station 5G is not only suitable for the lesser base station 5G of scale, is also applied for the relatively large base station 5G of scale.
Detailed description of the invention
The following further describes the present invention in detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is existing 5G inside of base station composed structure schematic diagram；
Fig. 2 is the structural schematic diagram of the embodiment of the present invention 1；
Fig. 3 is the structural schematic diagram of the embodiment of the present invention 3；
Fig. 4 is the conductive structure of the embodiment of the present invention 4 and the structural schematic diagram of radiator；
Fig. 5 is the conductive structure of the embodiment of the present invention 5 and the structural schematic diagram of radiator.
Specific embodiment
Embodiment 1
As shown in Fig. 2, be a kind of base station 5G cooling system of the invention, including conductive structure 2 and heat exchange can be carried out therewith
Radiator 1, conductive structure 2 and radiator 1 be arranged on the base station 5G, and the heating device of heat-generating units is built in the room of the base station 5G
In one closed shell, in the present embodiment, heating device in heat-generating units BBU, BBU (including control unit, transmission unit
With baseband processing unit etc.) it is built in composition BBU heat generating device 6 in closed shell 3, insulation is filled in closed shell 3
Coolant liquid 4, insulating and cooling liquid 4 submerge whole heating devices in closed shell 3.Conductive structure 2 is several using Heat Conduction Material
Manufactured conducting-heat elements, one end of conducting-heat elements are protruded into insulating and cooling liquid 4 and are contacted, and the other end is then pierced by outside shell 3
Portion is connect with radiator 1, and encapsulation process is done to guarantee that the airtightness of enclosure interior, radiator 1 are located in the position that passes through on shell
In the external external environment in base station (being not drawn into figure).The heat that heating device distributes is conducted by conductive structure 2 to radiator 1
And it distributes.Radiator 1 side be equipped with fan 5, by air cooling way by conductive structure 2 be conducted through come heat acceleration
It dissipates.The case where the present embodiment is smaller suitable for the base station 5G scale, only can meet requirement with separate unit BBU.
Embodiment 2
The present embodiment difference from example 1 is that: on closed shell be equipped with inlet and liquid outlet, BBU hair
Thermal uses fountain liquid cooling, and in other embodiments, BBU heat generating device can also use immersion liquid cooling.Conductive structure
For a circulation line, the both ends of circulation line are separately connected inlet and liquid outlet, and circulation line and radiator carry out heat exchange.
The cover board of closed shell is the shower plate with hollow chamber, and inlet is arranged on shower plate, opens on the bottom surface of shower plate
Have a spray apertures, liquid outlet is set to the bottom of closed shell, coolant liquid is sprayed on heating device by spray apertures, coolant liquid with
Heating device directly contacts and takes heat out of.
Embodiment 3
As shown in figure 3, the present embodiment is suitable for the relatively large situation of the base station 5G scale, the present embodiment and embodiment 2
The difference is that: BBU heat generating device 6 be it is multiple, multiple 6 vertical arrays of BBU heat generating device are placed in same cabinet 7 and constitute
BBU equipment 8, the heating device in each BBU heat generating device 6 use fountain liquid cooling mode, the closed housing of BBU heat generating device 6
3 cover board of body is shower plate, and shower plate has hollow chamber 19, and hollow chamber 19 has cooling liquid inlet 31, hollow chamber 19
Bottom surface is provided with spray apertures, and closed 3 bottom surface of shell has cooling liquid outlet 32, and in the present embodiment, conductive structure is circulation line
20, liquid reserve tank 9, radiator 1 and pump 10, radiator 1, liquid storage are successively arranged according to coolant flow direction on circulation line 20
Case 9 and pump 10, which are located in the cabinet being arranged independently of cabinet 7, constitutes the realization integral heat sink of radiator 11, i.e., each BBU fever dress
It sets 6 and shares a radiator 1,1 side of radiator is equipped with fan 5, can also be using other heat dissipations such as water coolings using wind-cooling heat dissipating
Mode.Temperature is increased into liquid reserve tank 9 after insulating and cooling liquid passes through BBU heat generating device 6, is carried out after cooling down again by radiator 1
BBU heat generating device 6 is pumped by pump 10.In order to guarantee the normal use of insulating and cooling liquid, can also be arranged on circulation line
Filter, drier etc..
The present embodiment is in cabinet 7, the BBU heat generating device 6 arranged from top to bottom, positioned at the BBU heat generating device 6 of the bottom
Cooling liquid outlet 32 be connected with the import of circulation line 20, the cooling liquid inlet 31 of each BBU heat generating device 6 by a general pipeline with
The outlet of circulation line 20 is connected.Each BBU heat generating device above bottom BBU heat generating device goes out from respective coolant liquid
The coolant liquids of 32 outflow of mouth enter in the shower plate of the adjacent BBU heat generating device in lower section, therein with entering from cooling liquid inlet 31
Coolant liquid is together on the heating device via spray apertures spray into shell.
In other embodiments, each BBU heat generating device in multiple BBU heat generating devices passes through respective thermally conductive knot respectively
Structure is connected with radiator and independently radiates；It is also possible to multiple heat-generating units together with respective conductive structure and the equal position of radiator
In same cabinet, according to the actual situation, each heat-generating units can share a radiator, can also part heat-generating units share
One radiator.
Embodiment 4
As shown in figure 4, the conductive structure of the present embodiment is 12 He of cold plate with hollow chamber being made from a material that be thermally conductive
Circulation line 13, cold plate 12 are in contact with the heating device of BBU in the room of the base station 5G, and cold plate 12 has inlet 14 and liquid outlet
15, one end of circulation line 13 connects inlet 14, and the other end connects liquid outlet 15, and circulation line 13 penetrates several interval rows
The fin 16 of cloth constitutes tube-fin type radiator, in other embodiments, or plate heat exchanger or screw thread tube radiator etc..
Coolant liquid enters cold plate by inlet, flows out to circulation line 13 by liquid outlet after the heat of absorption heater part, then lead to
The heat dissipation of fin 16 is crossed, coolant temperature reduces, and enters cold plate from inlet, this process moves in circles.Coolant liquid can use
Pure water can also use insulating and cooling liquid.
Embodiment 5
As shown in figure 5, the present embodiment difference from example 1 is that: conductive structure be heat pipe 17, heat pipe 17 is at least
It is one, heat-exchange working medium is filled in heat pipe 17, every heat pipe 17 is a circulation loop, and heat pipe 17 has heat-conducting part and heat dissipation
Portion, heat-conducting part are in insulating and cooling liquid, and radiating part is located at the external and fin across several laid out in parallel of closed housing and constitutes pipe
Fin radiator, the heat-conducting part of heat pipe 17 absorb the heat in coolant liquid, and heat-exchange working medium undergoes phase transition after absorbing heat, is delivered to
Radiator undergoes phase transition heat-exchange working medium by radiator cooling, is back to the heat-conducting part of heat pipe 17, completes a cyclic process.
Heat-generating units are in addition to can be the BBU (baseband processing equipment) in the base station 5G, in other embodiments, heat-generating units
It can also be the equipment that may increase to inside of base station after the Remote Radio Unit in the base station 5G, server or interchanger etc..
The implementation of the present invention is not limited to this, and above content according to the present invention is known according to the ordinary skill of this field
Know and customary means, the present invention can also make the modification, replacement or change of other diversified forms, all falls within right of the present invention and protect
Within the scope of shield.
Claims (10)
1. a kind of base station 5G cooling system, it is characterised in that: it includes conductive structure and the radiator that can carry out heat exchange therewith,
The conductive structure and radiator are arranged on the base station 5G, and the heat that the heating device of heat-generating units is distributed in the room of the base station 5G is logical
The conductive structure is crossed to conduct to radiator and distribute.
2. the base station 5G according to claim 1 cooling system, it is characterised in that: the conductive structure is by Heat Conduction Material system
At the cold plate and circulation line with hollow chamber, the cold plate is in contact with the indoor heating device in the base station 5G, institute
Cold plate is stated with inlet and liquid outlet, one end of the circulation line connects inlet, and the other end connects liquid outlet, described to follow
Endless tube road and radiator carry out heat exchange.
3. the base station 5G according to claim 1 cooling system, it is characterised in that: built in the heating device of the heat-generating units
Heat generating device is constituted in a closed shell, insulating and cooling liquid is filled in the closed housing body, the heat generating device uses
Immersion liquid cooling or fountain liquid cooling, are equipped with inlet and liquid outlet on the closed shell, and the conductive structure is one
Circulation line, the both ends of the circulation line are separately connected inlet and liquid outlet, and the circulation line and radiator carry out heat
Exchange.
4. the base station 5G according to claim 1 cooling system, it is characterised in that: built in the heating device of the heat-generating units
Heat generating device is constituted in a closed shell, is filled with insulating and cooling liquid in the closed housing body, the one of the conductive structure
End is protruded into insulating and cooling liquid, and the other end is then pierced by shell and radiator carries out heat exchange.
5. the base station 5G according to claim 4 cooling system, it is characterised in that: the conductive structure is heat pipe, the heat
Pipe is at least one, and heat-exchange working medium is filled in the heat pipe, and every heat pipe is a circulation loop, and heat pipe has heat-conducting part and dissipates
Hot portion, the heat-conducting part are in insulating and cooling liquid, and the radiating part, which is located at except shell, carries out heat exchange with radiator.
6. the base station 5G according to claim 4 cooling system, it is characterised in that: the insulating and cooling liquid submerges closed shell
Interior whole heating devices.
7. described in any item base stations 5G cooling system according to claim 1~6, it is characterised in that: the radiator is located at base
It stands indoor or in the external environment outside base station.
8. the base station 5G according to claim 7 cooling system, it is characterised in that: the heat-generating units are Base-Band Processing lists
Member, Remote Radio Unit, server or interchanger.
9. the base station 5G according to claim 8 cooling system, it is characterised in that: the radiator passes through air-cooled or water cooling side
Conductive structure is conducted through the heat acceleration come and dissipated by formula.
10. the base station 5G according to claim 9 cooling system, it is characterised in that: the heat-generating units are multiple, Mei Gefa
Hot cell, which is connected by respective conductive structure with radiator, independently to radiate；Or the heat-generating units are multiple, multiple fevers
Unit is placed in same cabinet, the conductive structures of each heat-generating units and radiator be located in the cabinet or positioned at independently of
Integral heat sink is realized in the cabinet of cabinet setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910281112.1A CN110062297A (en) | 2019-04-09 | 2019-04-09 | A kind of base station 5G cooling system |
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| CN201910281112.1A CN110062297A (en) | 2019-04-09 | 2019-04-09 | A kind of base station 5G cooling system |
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| CN110418213A (en) * | 2019-07-31 | 2019-11-05 | 重庆工程职业技术学院 | A kind of light quantum interchanger |
| CN110582029A (en) * | 2019-09-20 | 2019-12-17 | 广州伟峰科技有限公司 | Base station cooling system |
| CN112448065A (en) * | 2019-08-30 | 2021-03-05 | 百度（美国）有限责任公司 | Battery pack spray cooling |
| CN112996337A (en) * | 2019-12-12 | 2021-06-18 | 阿里巴巴集团控股有限公司 | Cooling apparatus and edge computing system |
| WO2021253458A1 (en) * | 2020-06-20 | 2021-12-23 | 南京唐壹信息科技有限公司 | Rapid heat dissipation device for 5g base station |
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| CN114007397A (en) * | 2021-11-23 | 2022-02-01 | 佛山市液冷时代科技有限公司 | Stirring liquid cooling AAU rod system |
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| CN112448065A (en) * | 2019-08-30 | 2021-03-05 | 百度（美国）有限责任公司 | Battery pack spray cooling |
| CN110582029A (en) * | 2019-09-20 | 2019-12-17 | 广州伟峰科技有限公司 | Base station cooling system |
| CN112996337A (en) * | 2019-12-12 | 2021-06-18 | 阿里巴巴集团控股有限公司 | Cooling apparatus and edge computing system |
| WO2021253458A1 (en) * | 2020-06-20 | 2021-12-23 | 南京唐壹信息科技有限公司 | Rapid heat dissipation device for 5g base station |
| CN113970962A (en) * | 2021-11-17 | 2022-01-25 | 紫光计算机科技有限公司 | Immersed cooling system for electronic equipment |
| CN114007397A (en) * | 2021-11-23 | 2022-02-01 | 佛山市液冷时代科技有限公司 | Stirring liquid cooling AAU rod system |
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