CN201467475U - Base band unit (BBU) - Google Patents

Base band unit (BBU) Download PDF

Info

Publication number
CN201467475U
CN201467475U CN2009201101377U CN200920110137U CN201467475U CN 201467475 U CN201467475 U CN 201467475U CN 2009201101377 U CN2009201101377 U CN 2009201101377U CN 200920110137 U CN200920110137 U CN 200920110137U CN 201467475 U CN201467475 U CN 201467475U
Authority
CN
China
Prior art keywords
bbu
side elevation
base plate
screw
airtight casing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN2009201101377U
Other languages
Chinese (zh)
Inventor
王新民
钟显成
武志合
徐晖
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Datang Mobile Communications Equipment Co Ltd
Original Assignee
Datang Mobile Communications Equipment Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Datang Mobile Communications Equipment Co Ltd filed Critical Datang Mobile Communications Equipment Co Ltd
Priority to CN2009201101377U priority Critical patent/CN201467475U/en
Application granted granted Critical
Publication of CN201467475U publication Critical patent/CN201467475U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Landscapes

  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

The embodiment of the utility model discloses a base band unit (BBU). The BBU comprises a power supply, a base band function body, a heat conductor and a closed box body; wherein the base band function body is fixed in the closed box body through a fastening device; the heat conductor is positioned between the outer surface of the base band function body and the inner surface of the closed box body; the heat conductor is contacted with the outer surface of the base band function body and the inner surface of the closed box body respectively; and the base band function body is connected with the power supply. The base band unit has the advantages that: the noise problem is solved; the reliability of the device is increased; the frequency of the conventional maintenance is reduced; the flexibility of the site selection is high; and the operating cost is reduced.

Description

A kind of Base Band Unit BBU
Technical field
The utility model relates to communication technical field, particularly relates to a kind of Base Band Unit BBU.
Background technology
At RAN (Radio Access Network, Radio Access Network) in the system, adopt BBU (BaseBand Unite, Base Band Unit)+RRU (Remote Radio Unit, radio frequency remoto module) networking of distributed base station form has replaced traditional base station form networking gradually, become the main force of networking, can be used to realize outdoor grand covering and indoor distributed covering simultaneously.
BBU+RRU distributed base station system structural representation specifically as shown in Figure 1, for down direction: baseband digital signal is directly linked RRU by optical fiber from BBU, thereby the signal that makes the base station can control particular user is launched from the RRU passage of appointment; For up direction: the user mobile phone signal is received by nearest passage, passes to the base station from this passage through optical fiber then.Therefore, adopt the BBU+RRU distributed base station system to reduce the interference of user on the different passages greatly.
In the prior art, the BBU device all adopts blower fan forced convection radiating mode, and blower fan produces noise in the course of the work inevitably as mechanical moving element, influences the human lives.Therefore, the noise of existing BBU has caused the difficulty of base station construction addressing.
Secondly, because existing BBU all adopts the heat radiation of blower fan forced convection, so the BBU device is unsealed.The non-seal of BBU system causes the cumulative effect of dust inevitable on the one hand, inner on the other hand integrated circuit board and the interlinking of external environment condition cause the variation of ambient humidity or the soda acid mould in the environment directly to act on mutually with inner integrated circuit board, and the reliability of integrated circuit board is exerted an influence.Existing BBU device has reduced the BBU reliability, has increased General Maintenance.
Once more, existing BBU is at Indoor Environmental Design, and is relatively stricter to the requirement of machine room, can easily not be installed to simple and easy machine room, the outdoor grade under the complex environment.And, needing to increase integrated cabinet based on the solution that has the outdoor integrated rack of BBU now, devices such as air-conditioning/heat exchanger have increased operation cost.
In realizing process of the present utility model, the designer finds prior art, and there are the following problems at least:
1. there is noise problem in existing BBU, influences the human lives, has caused the difficulty of base station construction addressing;
2. existing BBU device is unsealed, has reduced the BBU reliability, has increased General Maintenance.
3. existing BBU is higher to environmental requirement, and outdoor integrated rack solution has increased operation cost.
The utility model content
Embodiment of the present utility model provides a kind of Base Band Unit BBU, and described BBU comprises power supply, baseband functions body, heat carrier, airtight casing;
Described baseband functions body is fixed in the described airtight casing by fastener;
Described heat carrier is between the inner surface of the outer surface of described baseband functions body and described airtight casing, and described heat carrier contacts with the outer surface of described baseband functions body and the inner surface of described airtight casing respectively;
Described baseband functions body is connected with described power supply.
Also comprise maintenance window,
Described maintenance window is embedded in described closed box external surface one side.
Described closed box external surface is arranged with a plurality of radiated ribs.
Described heat carrier is a heat pipe.
Described heat carrier is high heat conduction packing material.
Also comprise the installation fastener.
Described installation fastener comprises: a base plate, many to support, and a plurality of screw rods, a plurality of hinge and a plurality of screw,
Describedly many support are provided with up and down two opposites and link to each other and vertical side elevation with described two opposites up and down, described about two opposites be provided with and the corresponding draw-in groove of described pole tangent plane shape, described side elevation is provided with a plurality of screw holes; Described many each in the support are arranged on the described pole by described draw-in groove respectively support, are connected and screw hole by described side elevation is anchored on the described pole by described a plurality of screw rods;
Described base plate is provided with on a side elevation and the direction vertical with described side elevation and is extended with the connector that is complementary with described a plurality of hinges, and described side elevation and described connector are provided with many screw holes; The screw hole of described base plate by described a plurality of screw rods and described side elevation is fixed in described many on the support, and described airtight casing is fixed on the described base plate by the connector on described a plurality of hinges and the described base plate.
Described installation fastener comprises: base plate, a plurality of screw rod, and a plurality of hinges and a plurality of screw,
Described base plate is provided with on a side elevation and the direction vertical with described side elevation and is extended with the connector that is complementary with described a plurality of hinges, and described side elevation and described connector are provided with many screw holes; Described base plate is fixed on the metope by the screw hole of described a plurality of screw rods and described side elevation, and described airtight casing is fixed on the described base plate by the connector on described a plurality of hinges, the described base plate.
Embodiment of the present utility model is by adopting the closed design to BBU, carry out the heat transmission and carry out natural heat dissipation by heat carrier by casing, BBU heat radiation and seal problem have been solved, thereby solved noise problem, improved the reliability of device, reduce General Maintenance, addressing flexibility ratio height cuts operating costs.Certainly, arbitrary product of implementing embodiment of the present utility model might not need to reach simultaneously above-described all advantages.
Description of drawings
In order to be illustrated more clearly in the utility model or technical scheme of the prior art, to do simple the introduction to the accompanying drawing of required use in the utility model or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is a kind of BBU+RRU distributed base station system structural representation in the prior art;
Fig. 2 is the structural representation of a kind of BBU among the utility model embodiment;
Fig. 3 is the structural representation of a kind of BBU among the utility model embodiment;
Fig. 4 is the structural representation of the baseband functions body of a kind of TD-SCDMA standard among the utility model embodiment;
Fig. 5 is the structural representation that a kind of BBU installs fastener among the utility model embodiment;
Fig. 6 is the structural representation that a kind of BBU installs fastener among the utility model embodiment.
Embodiment
The main thought of embodiment of the present utility model comprises: the baseband functions body is fixed in by fastener and closes in the casing, between the outer surface of baseband functions body and the inner surface of airtight casing heat carrier is installed, the heat that the baseband functions body produces is delivered to airtight casing by heat carrier, by airtight casing heat radiation.
Below in conjunction with the accompanying drawing in the utility model; technical scheme in the utility model is carried out clear, complete description; obviously; described embodiment is a part of embodiment of the present utility model; rather than whole embodiment. based on the embodiment in the utility model; the every other embodiment that those of ordinary skills are obtained under the prerequisite of not making creative work belongs to the scope that the utility model is protected.
A kind of Base Band Unit BBU among the embodiment of the present utility model, concrete structure as shown in Figure 2:
BBU comprises power supply 21, baseband functions body 22, heat carrier 23, airtight casing 24.
Wherein, baseband functions body 22 is fixed in by fastener and closes in the casing 24.
Heat carrier 23 is between the inner surface of the outer surface of baseband functions body 22 and airtight casing 24, and heat carrier 23 contacts with the outer surface of baseband functions body 22 and the inner surface of airtight casing 24 respectively.
Baseband functions body 22 is connected with power supply 21.
A kind of Base Band Unit BBU among the embodiment of the present utility model, concrete structure as shown in Figure 3:
BBU comprises airtight casing 31, baseband functions body 32, heat carrier 33, maintenance window 34, cable passage 35, power supply 36 and fastener 37 is installed.
Wherein baseband functions body 32 is fixed in the airtight casing 31 by fastener, and be used to receive the up-downgoing data and the data that received are handled and sent, be the core of whole BBU.
In the present embodiment with TD-SCDMA (Time Division-Synchronous Code DivisionMultiple Access, the CDMA (Code Division Multiple Access) that time-division is synchronous) the baseband functions body of standard is that example describes, concrete structure as shown in Figure 4, baseband functions body 40 comprises Base-Band Processing array element 41, Ir (Interfacebetween the RRU and the BBU, the interface of RRU and BBU) interface unit 42, Iub (Interfacebetween the BBU and the RNC, the interface of BBU and RNC) interface unit 43, lock unit 44 and control and crosspoint 45.One end of Ir interface unit 42 is connected with RRU, and the other end is connected with Base-Band Processing array element 41.The other end of Base-Band Processing array element 41 is connected with an end of Iub interface unit 43, and the other end of Iub interface unit 43 and RNC (Radio Network Control, radio network controller) connect.Lock unit 44 is connected with Base-Band Processing array element 41 respectively at Ir interface unit 42.Control is connected respectively at Ir interface unit 42, Base-Band Processing array element 41 and Iub interface unit 43 with crosspoint 45.Carry out up direction when transmission when data, baseband functions body 40 is finished the up processing of TD-SCDMA baseband signal by the data of inner Ir interface 42 receptions from RRU in baseband functions body 40, by Iub interface 43 related data is sent to RNC then; When data were carried out the down direction transmission, baseband functions body 40 was finished the downlink processing of TD-SCDMA baseband signal by the user data that inner Iub interface 43 receives from RNC in baseband functions body 40, send the data to RRU by Ir interface 42 then.
Heat carrier 33 is between the inner surface of the outer surface of baseband functions body 32 and airtight casing 31, and heat carrier 33 contacts with the outer surface of baseband functions body 32 and the inner surface of airtight casing 31 respectively, is used for heat that baseband functions body 32 is produced and is delivered to airtight casing 31 with the form of heat transmission.Wherein, heat carrier 33 can be high heat conduction packing material, and for example chill bar can be heat pipe also, but be not limited thereto dual mode.
Airtight casing 31 outer surfaces are arranged with a plurality of radiated ribs 311, and this airtight casing 31 is by these a plurality of radiated ribs 311, and the heat that the baseband functions body 32 that adopts the natural heat dissipation mode that heat carrier 33 is transmitted produces dispels the heat.
Need to prove, owing to adopt thermaltransmission mode to carry out transfer of heat, therefore need rationally to arrange heat carrier 33, baseband functions body 33 (heat generation module) when mounted, and the position between closed case 31 (radiating module) three, should accomplish that contact area is big as far as possible, the center is symmetry as far as possible, can many when needing install and should keep being evenly distributed, thereby the reduction thermal resistance provides heat transference efficiency, improves radiating effect.
Maintenance window 34 is embedded in airtight casing 31 outer surfaces one side, for dismountable. when BBU goes wrong, need detect or safeguard, maintenance window 34 can be disassembled, BBU inside be operated, for example observe the operating state of BBU each several part by state indicating device by this window, system is carried out Performance Detection, maintenance and changes operation, after maintenance is finished, again maintenance window 34 is installed on the original position, recover the seal of airtight casing 31.
Cable passage 35 places the bottom of airtight casing 31, is used for the external communications of baseband functions body 31 and power supply 35 and airtight casing 31, is used to realize inner and outside the communicating by letter of BBU.Concrete, cable passage 35 is respectively applied for the external communications of Ir interface unit 42, Iub interface unit 43, lock unit 44 and the airtight casing 31 of baseband functions body 31 in Fig. 4 among Fig. 3, and the external communications that is used for power supply 35 airtight casings 31.
Fastener 37 is installed, is used for when BBU carries out the pole installation or hang wall installing, BBU being fixed.
A kind of Base Band Unit BBU among the embodiment of the present utility model, when being applied to pole and installing, BBU also comprises the installation fastener, concrete structure as shown in Figure 5:
The installation fastener comprises: a base plate 51, many to support 52, a plurality of screw rods 53, a plurality of hinge 54 and a plurality of screw 55.
Many support 52 is provided with up and down two opposites 521 and the also vertical side elevation 522 that links to each other with two opposites up and down, two opposites 521 are provided with and the corresponding draw-in groove of pole tangent plane shape up and down, and side elevation 522 is provided with a plurality of screw holes; Many each in the support are arranged on the pole by draw-in groove respectively support 52, are connected and screw hole by side elevation 522 is anchored on the pole by a plurality of screw rods 53.
Base plate 51 is provided with on a side elevation 511 and the direction vertical with side elevation and is extended with the connector 512 that is complementary with a plurality of hinges, and side elevation 511 and connector 512 are provided with many screw holes; The screw hole of base plate 51 by a plurality of screw rods 53 and side elevation 511 is fixed in many on the support, and airtight casing is fixed on the base plate 51 by the connector 512 on a plurality of hinges 54 and the base plate 51.
A kind of Base Band Unit BBU among the embodiment of the present utility model, when being applied to hang wall and installing, BBU also comprises the installation fastener, concrete structure as shown in Figure 6:
The installation fastener comprises: base plate 61, a plurality of screw rod 62, a plurality of hinges 63 and a plurality of screw 64.
Base plate 61 is provided with on a side elevation 611 and the direction vertical with side elevation and is extended with the connector 612 that is complementary with a plurality of hinges, and side elevation 611 and connector 612 are provided with many screw holes; Base plate 61 is fixed on the metope by the screw hole of a plurality of screw rods 62 and side elevation 611, and airtight casing is fixed on the base plate by the connector 611 on a plurality of hinges 63, the base plate 61.
Embodiment of the present utility model is by adopting the closed design to BBU, carry out the heat transmission and carry out natural heat dissipation by heat carrier by casing, BBU heat radiation and seal problem have been solved, thereby solved noise problem, improved the reliability of device, reduce General Maintenance, addressing flexibility ratio height cuts operating costs.Certainly, arbitrary product of implementing embodiment of the present utility model might not need to reach simultaneously above-described all advantages.
The above only is a preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be looked protection range of the present utility model.

Claims (8)

1. a Base Band Unit BBU is characterized in that, described BBU comprises power supply, baseband functions body, heat carrier, airtight casing;
Described baseband functions body is fixed in the described airtight casing by fastener;
Described heat carrier is between the inner surface of the outer surface of described baseband functions body and described airtight casing, and described heat carrier contacts with the outer surface of described baseband functions body and the inner surface of described airtight casing respectively;
Described baseband functions body is connected with described power supply.
2. BBU as claimed in claim 1 is characterized in that, also comprises maintenance window,
Described maintenance window is embedded in described closed box external surface one side.
3. BBU as claimed in claim 1 is characterized in that, described closed box external surface is arranged with a plurality of radiated ribs.
4. BBU as claimed in claim 1 is characterized in that, described heat carrier is a heat pipe.
5. BBU as claimed in claim 1 is characterized in that, described heat carrier is high heat conduction packing material.
6. as each described BBU in the claim 1 to 5, it is characterized in that, also comprise the installation fastener.
7. BBU as claimed in claim 6 is applied to pole and installs, and it is characterized in that described installation fastener comprises: a base plate, many to support, and a plurality of screw rods, a plurality of hinge and a plurality of screw,
Describedly many support are provided with up and down two opposites and link to each other and vertical side elevation with described two opposites up and down, described about two opposites be provided with and the corresponding draw-in groove of described pole tangent plane shape, described side elevation is provided with a plurality of screw holes; Described many each in the support are arranged on the described pole by described draw-in groove respectively support, are connected and screw hole by described side elevation is anchored on the described pole by described a plurality of screw rods;
Described base plate is provided with on a side elevation and the direction vertical with described side elevation and is extended with the connector that is complementary with described a plurality of hinges, and described side elevation and described connector are provided with many screw holes; The screw hole of described base plate by described a plurality of screw rods and described side elevation is fixed in described many on the support, and described airtight casing is fixed on the described base plate by the connector on described a plurality of hinges and the described base plate.
8. BBU as claimed in claim 6 is applied to hang wall and installs, and it is characterized in that described installation fastener comprises: base plate, a plurality of screw rod, and a plurality of hinges and a plurality of screw,
Described base plate is provided with on a side elevation and the direction vertical with described side elevation and is extended with the connector that is complementary with described a plurality of hinges, and described side elevation and described connector are provided with many screw holes; Described base plate is fixed on the metope by the screw hole of described a plurality of screw rods and described side elevation, and described airtight casing is fixed on the described base plate by the connector on described a plurality of hinges, the described base plate.
CN2009201101377U 2009-07-17 2009-07-17 Base band unit (BBU) Expired - Lifetime CN201467475U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009201101377U CN201467475U (en) 2009-07-17 2009-07-17 Base band unit (BBU)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009201101377U CN201467475U (en) 2009-07-17 2009-07-17 Base band unit (BBU)

Publications (1)

Publication Number Publication Date
CN201467475U true CN201467475U (en) 2010-05-12

Family

ID=42394820

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2009201101377U Expired - Lifetime CN201467475U (en) 2009-07-17 2009-07-17 Base band unit (BBU)

Country Status (1)

Country Link
CN (1) CN201467475U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108174465A (en) * 2017-12-07 2018-06-15 吴豪 A kind of integrated wireless access base station system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108174465A (en) * 2017-12-07 2018-06-15 吴豪 A kind of integrated wireless access base station system

Similar Documents

Publication Publication Date Title
EP1713290B1 (en) Distributed base station system, networking method and baseband unit
EP3043622B1 (en) Base station
CN201467475U (en) Base band unit (BBU)
CN202334580U (en) Multi-mode routing portable computer
CN103731760A (en) Assembled outdoor communication equipment cabinet applied to 4GLTE base station
CN213302942U (en) Intelligent microcomputer type comprehensive protection device
CN208924532U (en) A kind of Miniature communication base station
CN113922160B (en) Power expansion plugboard and socket
CN208502346U (en) A kind of communication machine room with constant temperature decrease of noise functions
CN202998697U (en) Intelligent comprehensive box with multiple function modules
CN205092854U (en) Novel radio communication device
WO2017118065A1 (en) Networking method and system based on software defined radio, and storage medium
CN216626070U (en) Explosion-proof mining 5G multifunctional base station controller
CN216217853U (en) Intelligent internet-of-things controller with high multifunctional sensitivity
CN219644422U (en) System for be used for 5G micro base station rotating ring control
CN215187411U (en) Intelligent positioning data transmission equipment of industrial control closed loop
CN211405029U (en) Renewable energy's intelligent optimization device
CN221710189U (en) Broadband ad hoc network communication device
CN215735268U (en) Intelligent internet-of-things controller with good anti-interference stability
CN215601682U (en) Communication DTU equipment convenient to dismantle
CN210093709U (en) Outdoor integrated cabinet
CN215338562U (en) Mobile multi-element display terminal and equipment based on weighing controller
CN206388852U (en) A kind of antenna networks bridge earthing or grounding means
CN213399479U (en) Intelligent strong current and weak current control host
CN216451732U (en) Internet of things equipment controller

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CX01 Expiry of patent term

Granted publication date: 20100512

CX01 Expiry of patent term