CN209882284U - C-RAN outdoor cabinet - Google Patents
C-RAN outdoor cabinet Download PDFInfo
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- CN209882284U CN209882284U CN201821762385.5U CN201821762385U CN209882284U CN 209882284 U CN209882284 U CN 209882284U CN 201821762385 U CN201821762385 U CN 201821762385U CN 209882284 U CN209882284 U CN 209882284U
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Abstract
The utility model provides an outdoor rack of C-RAN includes the base, locates cuboid subassembly on the base, the cuboid subassembly includes highly the same equipment compartment door, optical cable hatch door, air conditioner installation door and back plate cuboid subassembly top is equipped with the chevron shape top cap, the inside equipment support that is equipped with of cuboid subassembly, this equipment support left side are first equipment cabin and second equipment cabin in proper order, equipment support right side is the optical cable wiring cabin, first equipment cabin left side middle part is equipped with oily machine auto-change over device. The utility model discloses a BBU centralization and configuration trunk optical cable constitutes one and provides the cyclic annular optical fiber transmission network for wireless base station, serves a plurality of honeycomb base stations, little station and next C-RAN computer lab, nimble distributed network deployment; when the oil engine conversion is needed, the oil engine conversion can be realized only by twisting the conversion switch.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to an optical fiber communication network equipment technical field especially relates to an outdoor rack of C-RAN.
[ background of the invention ]
With the progress and diversification of communication technology and the rapid increase of the requirement of users on wireless bandwidth, the development of the future wireless access network tends to reduce resource energy consumption, reduce capital expenditure and operation cost, improve spectrum efficiency, increase a user broadband unified platform, support multi-standard and smooth upgrading and can meet the trend development of multiple service requirements of terminals.
The networking mode of the wireless base station inevitably promotes the popularization and development of the C-RAN networking mode direction, the C-RAN is an evolution framework of a distributed base station, namely a Base Band Unit (BBU) and a radio frequency unit (RRU) of a traditional macro base station are separated, the BBU and the RRU are connected through optical fibers according to an Ir interface protocol to complete the transmission of base band data, and the functions of 'BBU centralized setting, RRU remote covering' and the like can be realized during network deployment.
At present, the C-RAN networking mode has insufficient transmission resources and is not planned in detail, and the requirement of a base station is changed to transmission support in the later period; machine room resources are difficult to obtain; there is no flexible traffic transition to meshing. When the commercial power stops the power supply suddenly, can't be timely link up the oil machine with the basic station, the basic station can stop work, and the power failure probably causes the change of basic station internal program, leads to operating personnel to need debug it again.
[ summary of the invention ]
The utility model aims at solving the above problem and providing a simple structure, the cost is lower, can make and carry out the transmission of zooming out between BBU and the RRU, nimble network deployment, the outdoor rack of C-RAN that commercial power supply and oily quick-witted power supply freely switch.
In order to achieve the above object, the utility model provides an outdoor rack of C-RAN, this outdoor rack of C-RAN includes the base, locates cuboid subassembly on the base, the cuboid subassembly includes highly the same equipment compartment door, optical cable hatch door, air conditioner installation door and back plate cuboid subassembly top is equipped with the chevron shape top cap, the inside equipment support that is equipped with of cuboid subassembly, this equipment support left side are first equipment cabin and second equipment cabin in proper order, the equipment support right side is the optical cable wiring cabin, first equipment cabin bottom is equipped with the battery compartment, first equipment cabin left side middle part is equipped with oil machine auto-change over device.
The oil engine switching device comprises a switching switch in the middle, an electric power meter on the upper portion, an oil engine socket on the lower portion and a wiring bar, wherein the wiring bar comprises an A phase, a B phase, a C phase and a zero line wiring bar.
The first equipment cabin is internally provided with a lightning protection and grounding system, a temperature control system, a power environment control system, an ODF (optical distribution function) and transmission equipment, and the top of the first equipment cabin is provided with an emergency fan.
The second equipment cabin is internally provided with a plurality of baseband units (BBUs) which form a centralized baseband unit pool (BBU pool), the baseband unit pool (BBU pool) is connected with a baseband interface, and the plurality of baseband unit pools (BBU pools) form an annular optical fiber transmission network for the wireless base station.
The optical cable distribution cabin is provided with a trunk connection capacity optical cable.
And an energy-saving air conditioner is arranged on the air conditioner installation door.
The utility model discloses an outdoor rack of C-RAN compares with prior art, and its beneficial effect is:
1. the BBU centralizes and configures a trunk optical cable to form a ring-shaped optical fiber transmission network for the wireless base station, and the ring-shaped optical fiber transmission network serves a plurality of cellular base stations, micro-stations and a next C-RAN machine room and is flexibly distributed and networked;
2. when the oil engine conversion is needed, the oil engine conversion can be realized only by twisting the conversion switch;
3. according to the requirements of the working environment of the equipment, the overall structure adopts the design concepts of cabin type, functionalization and modularization, and the structural layout is reasonable;
4. the cabinet door adopts a double-wall structure design, a heat insulation material is added in the middle, and the heat insulation material with aluminum foil is added on the inner side of the cabinet body, so that the cabinet door has strong sun irradiation resistance and cold protection capability. And can reduce the influence of the sunshine to the minimum;
5. the problems that the machine room transmission resources are insufficient, the machine room resources are difficult to obtain, the machine room is difficult to deploy and the like in the prior art are solved.
[ description of the drawings ]
Fig. 1 is an exploded view of the present invention.
Fig. 2 is an exploded view in another direction of the present invention.
Fig. 3 is a side view of the present invention.
Fig. 4 is a partially enlarged view of a portion a in fig. 3.
Fig. 5 is a circuit diagram of the oil engine switching device of the present invention.
[ detailed description ] embodiments
The following examples are further illustrative and explanatory of the present invention and do not limit the present invention in any way.
As shown in fig. 1-2, the utility model relates to an outdoor cabinet of C-RAN comprises a base 1 and a cuboid assembly disposed on the base 1. The base 1 adopts a frame structure formed by four plates and is used for supporting the whole outdoor cabinet. The cuboid assembly comprises an equipment hatch 21, a cable hatch 22, an air conditioner installation door 23 and a back plate 24. The equipment hatch 21, the cable hatch 22, the air conditioner installation door 23 and the rear plate 24 are rectangular metal plates with the same height. The equipment compartment door 21 is of a split door structure, and a door lock is arranged on the equipment compartment door 21 and can be used for opening or locking the equipment compartment door 21. The cable compartment door 22 is a single door structure, and a door lock is arranged on the cable compartment door 22 and can open or lock the cable compartment door 22. Air conditioner installation door 23 is single structure of opening the door, be equipped with a lock on the air conditioner installation door 23, can open or lock air conditioner installation door 23, energy-conserving air conditioner 231 of air conditioner installation door 23 upper portion installation, energy-conserving air conditioner 231's internal loop back-and-forth goes out, accord with the inside cold and hot air current tissue of rack (rack inlet air temperature is high, the air conditioner efficiency is higher), consequently, energy-conserving air conditioner 231 is embedded air conditioner, an air conditioner installation door is opened to specific rack left side, make things convenient for the installation and the maintenance of air conditioner, occupy unnecessary space structure compactness in the rack simultaneously, and the outward appearance is pleasing to the eye. The back plate 24 is in a movable assembly mode. The herringbone top cover 3 is arranged at the top of the cuboid component, the herringbone top cover 3 can not only effectively prevent water, but also reduce the solar irradiation temperature, and the appearance is attractive.
The utility model discloses equipment hatch door 21, optical cable hatch door 22, air conditioner installation door 23 and back plate 24, chevron shape top cap 3 all adopt the better thermal-insulated material of thermal-insulated effect of high-quality galvanized sheet interior subsides, and surface coating ultraviolet protection powder, double-deck thermal-insulated design have IP55 IP65 level protection grade.
As shown in fig. 1-2, an equipment support is arranged in the rectangular parallelepiped component, the equipment support is of a frame structure, the equipment support can be configured with a 19-inch installation structure, the total capacity is 48U, and the equipment support can be adjusted forwards and backwards to meet installation of equipment at different depths. The left side of the equipment support is provided with a first equipment compartment 41 and a second equipment compartment 42 in sequence. A power supply system, a lightning protection and grounding system, a temperature control system, a standby power supply system, a power environment control system, a lighting system, an ODF (optical distribution function) and transmission equipment, a server installation space and the like can be installed in the first equipment cabin 41, and the first equipment cabin has various functions of a communication machine room and meets different networking requirements of operators. The emergency fan 411 is arranged at the top of the first equipment compartment 41, and when the energy-saving air conditioner 231 stops working suddenly, the emergency fan 411 can be started to ensure the temperature in the cabinet.
A plurality of Base Band Units (BBUs) are disposed in the second equipment compartment 42, and the plurality of BBUs form a centralized BBU pool (BBU pool) connected to the BBU interface. The BBU is a wireless baseband device that can process billions of bits of information per hour and connect end users to the core network. Each cellular base station has its own BBU, located in some room or cabinet within the station. The utility model provides a more exquisite and efficient alternative, the C-RAN concentrates on the BBU pond (also called C-RAN maincenter) in every base station with the BBU in every base station and replaces the traditional BBU in every website. The C-RAN central center can serve a plurality of cellular base stations, micro-stations and the next C-RAN machine room to form a ring-shaped optical fiber transmission network for the wireless base station, remote transmission can be carried out between the BBU and the RRU, and flexible distributed networking is achieved.
Future fiber network development, a new physical layer named Fronthaul (frontaul) was introduced into the network by implementing BBU centralization in the C-RAN backbone. Fronthaul refers to the link between the BBU pool and a remote radio unit in a cellular base station or small base station site. Optical fiber can provide more bandwidth and thus is the best choice for onward transmission. But there may be times when microwave links are used due to geographical differences. However, due to the cost and challenges of laying new optical fiber, and also to maximize current resource utilization, some network operators are utilizing existing fiber optic assets, such as Fiber To The Home (FTTH) networks, through fiber optic network convergence techniques. Fiber network convergence refers to the combination of multiple services in a single access network. In other words, a pipe is used to carry all or many forms of communication services.
As shown in fig. 1-2, the equipment rack has a cable distribution bay 43 on the right side, and the cable distribution bay 43 is configured with trunk connection capacity cables, which correspond to the functions of a conventional optical cross-connect enclosure for connecting (jumper), distributing or branching, and dispatching feeder cables and distribution cables. The first equipment compartment 41 is provided with a battery compartment 44 at the bottom, and the battery compartment 44 can satisfy 2 x 200AH battery installation space.
As shown in fig. 1 to 4, the oil engine switching device 5 is arranged in the middle of the left side of the first equipment compartment 41. The oil engine switching device 5 is a device for switching between the mains supply and the oil engine supply. The switching device 5 comprises a middle switch 51, an upper electricity meter 52, a lower oil engine socket 53 and a wiring row 54, wherein the wiring row 54 comprises an A-phase wiring row, a B-phase wiring row, a C-phase wiring row and a zero-line wiring row. The change-over switch 51 is a manual switch for switching between the mains supply and the oil engine power supply, and when the oil engine power supply is needed, the change-over switch 51 disconnects the base station interface from the mains supply interface and connects the base station interface with the oil engine socket 53; when the mains supply is needed, the base station interface is connected with the mains supply interface, and the base station interface is disconnected with the oil engine socket 53. The electricity meter 52 measures the electricity consumption. The oil engine socket 53 is reliably and quickly plugged with the oil engine for power supply, the oil engine can be switched under the condition that the cabinet equipment cabin door is not started, maintenance personnel can conveniently deal with the sudden power failure condition in time, a wiring copper bar is introduced for customer configuration exchange, the customer wiring is facilitated, and the safety and the reliability are realized.
Although the present invention has been described in connection with the above embodiments, the scope of the present invention is not limited thereto, and modifications, replacements, and the like to the above members are all within the scope of the claims of the present invention without departing from the concept of the present invention.
Claims (6)
1. The utility model provides an outdoor rack of C-RAN, outdoor rack includes base (1), locates cuboid subassembly on base (1), the cuboid subassembly includes highly the same equipment compartment door (21), optical cable hatch door (22), air conditioner installation door (23) and back plate (24) cuboid subassembly top is equipped with chevron shape top cap (3), the inside equipment support that is equipped with of cuboid subassembly, this equipment support left side are first equipment cabin (41) and second equipment cabin (42) in proper order, the equipment support right side is optical cable wiring cabin (43), first equipment cabin (41) bottom is equipped with battery compartment (44), its characterized in that, first equipment cabin (41) left side middle part is equipped with oily engine switching device (5).
2. The C-RAN outdoor cabinet of claim 1, wherein the petrol engine switching device (5) comprises a central switch (51), an upper electricity meter (52), a lower petrol engine socket (53) and a connection block (54), the connection block (54) comprising an a-phase, B-phase, C-phase and neutral connection block.
3. The C-RAN outdoor cabinet of claim 1, wherein a lightning and grounding system, a temperature control system, a dynamic environment monitoring system, an ODF and a transmission device are arranged in the first equipment compartment (41), and an emergency fan (411) is arranged on the top of the first equipment compartment (41).
4. The C-RAN outdoor cabinet of claim 1, wherein a plurality of baseband units are disposed in the second equipment bay (42), the plurality of baseband units form a centralized baseband unit pool, the baseband unit pool is connected to the baseband interface, and the plurality of baseband unit pools form a ring-type optical fiber transmission network for the radio base station.
5. The C-RAN outdoor cabinet of claim 1, wherein the cable distribution bay (43) is configured with trunk connection capacity cables.
6. The C-RAN outdoor cabinet of claim 1, wherein an energy saving air conditioner (231) is provided on the air conditioner mounting door (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821762385.5U CN209882284U (en) | 2018-10-29 | 2018-10-29 | C-RAN outdoor cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821762385.5U CN209882284U (en) | 2018-10-29 | 2018-10-29 | C-RAN outdoor cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209882284U true CN209882284U (en) | 2019-12-31 |
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ID=68945158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821762385.5U Active CN209882284U (en) | 2018-10-29 | 2018-10-29 | C-RAN outdoor cabinet |
Country Status (1)
| Country | Link |
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| CN (1) | CN209882284U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109168277A (en) * | 2018-10-29 | 2019-01-08 | 深圳市科信通信技术股份有限公司 | A kind of C-RAN outdoor cabinet |
-
2018
- 2018-10-29 CN CN201821762385.5U patent/CN209882284U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109168277A (en) * | 2018-10-29 | 2019-01-08 | 深圳市科信通信技术股份有限公司 | A kind of C-RAN outdoor cabinet |
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