CN212515031U - Intelligent multi-path distribution equipment for GPS machine room - Google Patents

Abstract

An intelligent multi-path distribution device of a GPS machine room comprises a cabinet body and a plurality of BBU pool synchronous clock active distribution hosts arranged in the cabinet body, wherein each BBU pool synchronous clock active distribution host is respectively connected with a plurality of passive distribution slaves through radio frequency cables, and each passive distribution slave is respectively connected with a plurality of BBUs through optical fibers; the BBU pool synchronous clock active distribution host is provided with two-way antennas and is used for an automatic mode and a manual mode respectively, the BBU pool synchronous clock active distribution host is supplied with power by direct current, and the passive distribution slave is used for taking power from the BBU. Each host can be connected with 8 slaves and also can be independently connected with 8 paths of BBUs; each slave can be respectively connected with 8 BBUs, so that each host can be connected with 64 BBUs, 62 GPS antennas, 62 antenna feeders, 62 SPDs and a large amount of manual maintenance cost and management cost can be saved for operators, and energy conservation, environmental protection, safety, rapidness and low cost are really realized.

Description

Intelligent multi-path distribution equipment for GPS machine room

Technical Field

The application relates to the technical field of GPS machine room equipment, in particular to intelligent multi-path distribution equipment for a GPS machine room.

Background

In recent years, with the construction of 5G, the demand for networks is increased explosively, the development of various industries cannot leave the networks, the G big dipper/GPS time service synchronization demand is particularly important, therefore, communication machine rooms of operators are also rapidly built, along with the rapid increase of the use amount of cabinets/machine rooms, the machine rooms are increasingly crowded, so that the problems that GPS antennas are too many, GPS routing cables are too many, occupied resources are too much, the capacity expansion of BBUs in the same station site is complex, the construction wastes time and labor, the system maintenance difficulty is large, the property coordination is difficult, the signal transmission loss is large, the coordination difficulty of feeder routing wiring property of multiple capacity expansion is large, the GPS wiring routing cannot pass through the GPS due to the decoration adjustment inside the building, the capacity expansion cannot be performed due to the limitation of the ceiling resources, the GPS antennas cannot be built and increased due to the fact that the BBUs are limited, the strength of clock signals transmitted back to the machine rooms is insufficient due to the overlong GPS wiring. The problem that the total number of base stations is over one million and the GPS antenna and BBU are too dense is urgently solved.

Currently, BBU clock synchronization is mainly performed by adopting an outdoor pull antenna mode, a local clock with higher precision is calibrated by using clock sources with good stability characteristics such as a GPS (global positioning system), the long-term stability characteristic of the GPS and the short-term stability characteristic of a local clock crystal oscillator can be well combined, reliable system time and working clock are provided for the whole system, and the frequency synchronization and phase synchronization requirements of the system are ensured. In practical application, a plurality of BBU devices (indoor baseband processing units) may be installed in the same machine room, and an antenna is erected for each BBU device in the original processing scheme, which greatly increases the construction difficulty.

Disclosure of Invention

The application provides a GPS computer lab intelligence multichannel distribution equipment, effectively solve present GPS antenna too much, GPS route cable too much, occupy the resource too much, with station BBU dilatation complicacy, the construction is wasted time and energy, the system maintenance degree of difficulty is big, the property coordination difficulty and the signal transmission loss are big, the feeder route wiring property coordination degree of difficulty of dilatation many times is big, the inside fitment adjustment of building leads to GPS wiring route can't pass through the unable dilatation of GPS, the limited unable BBU quantity construction of matching of sky surface resource increases the GPS antenna, GPS wiring route overlength leads to the not enough scheduling problem of clock signal retransmission to computer lab intensity.

The intelligent multi-path distribution equipment for the GPS machine room comprises a cabinet body and a plurality of BBU pool synchronous clock active distribution hosts arranged in the cabinet body, wherein each BBU pool synchronous clock active distribution host is respectively connected with a plurality of passive distribution slave machines through radio frequency cables, and each passive distribution slave machine is respectively connected with a plurality of BBUs through optical fibers; the BBU pool synchronous clock active distribution host is provided with two-way antennas and is used for an automatic mode and a manual mode respectively, the BBU pool synchronous clock active distribution host is supplied with power by direct current, and the passive distribution slave is used for taking power from the BBU.

According to the above embodiment, the utility model discloses a GPS computer lab intelligence multichannel distribution system can wide application in each big operator computer lab for between GPS antenna and BBU, compensate the amplification to the GPS signal, and carry out shut and management to the compensation signal, can access to a plurality of base station equipment ports, be used for solving the antenna that present operator computer lab appears and too intensive, the cable is too much, SPD is too intensive and the dilatation is complicated scheduling problem, the shortcoming of current storage of solution that can be fine, 8 slaves also can connect 8 ways BBU alone to each host computer can connect out; each slave can be respectively connected with 8 BBUs, so that each host can be connected with 64 BBUs, 62 GPS antennas, 62 antenna feeders, 62 SPDs and a large amount of manual maintenance cost and management cost can be saved for operators, and energy conservation, environmental protection, safety, rapidness and low cost are really realized.

Drawings

Fig. 1 is a perspective view of an intelligent multi-path distribution device of a GPS room according to an embodiment;

FIG. 2 is a front view of an embodiment of an intelligent multi-way distribution device of a GPS room;

FIG. 3 is a schematic diagram of an embodiment of an intelligent multi-way distribution device for a GPS room;

fig. 4 is a top view of an embodiment of a GPS room intelligent multi-way distribution apparatus.

Detailed Description

The present application will be described in further detail below with reference to the accompanying drawings by way of specific embodiments. Wherein like elements in different embodiments are numbered with like associated elements. In the following description, numerous details are set forth in order to provide a better understanding of the present application. However, those skilled in the art will readily recognize that some of the features may be omitted or replaced with other elements, materials, methods in different instances. In some instances, certain operations related to the present application have not been shown or described in detail in order to avoid obscuring the core of the present application from excessive description, and it is not necessary for those skilled in the art to describe these operations in detail, so that they may be fully understood from the description in the specification and the general knowledge in the art.

The numbering of the components as such, e.g., "first", "second", etc., is used herein only to distinguish the objects as described, and does not have any sequential or technical meaning. The term "connected" and "coupled" when used in this application, unless otherwise indicated, includes both direct and indirect connections (couplings).

Referring to fig. 1 to 4, the present application provides an intelligent multi-path distribution device for a GPS machine room, including a cabinet 10 and a plurality of BBU pool synchronous clock active distribution hosts 11 disposed in the cabinet 10, where each BBU pool synchronous clock active distribution host 11 is respectively connected to a plurality of passive distribution slaves 12 through radio frequency cables, and each passive distribution slave 12 is respectively connected to a plurality of BBUs through optical fibers; the BBU pool synchronous clock active distribution host 11 is provided with two-way antennas which are respectively used in an automatic mode and a manual mode, the BBU pool synchronous clock active distribution host 11 is supplied with direct current, and the passive distribution slave 12 is used for taking electricity from the BBU.

In particular, the passive distribution slave 12 comprises a normal passive distribution slave or a digital passive distribution slave. The cabinet body is internally provided with 2-8 BBU pool synchronous clock active distribution hosts, each BBU pool synchronous clock active distribution host is respectively connected with 2-8 passive distribution slave machines through radio frequency cables, and the BBU pool synchronous clock active distribution host 11 is arranged above the passive distribution slave machines.

The BBU pool synchronous clock active distribution host 11 is installed inside the cabinet to realize the frequency of GPS L1+ BEIDOU B1; gain: 30dB, antenna state monitoring and warning function; 2-8 paths of slave machines or 2-8 paths of BBUs can be connected; has a dry contact alarm; a buzzer warning function; the output port state monitoring and alarming function; displaying the information of the GPS/Beidou 2B 1 in real time; the dual power supplies of 48V DC and 12V DC are simultaneously supported; software management and network management monitoring.

The digital passive distribution slave machine or the passive distribution slave machine is arranged in the cabinet and is provided with intelligent selective feed; power is supplied from the BBU without a power supply, and the frequency of the GPS L1+ BEIDOU B1 is realized; 8 BBUs can be connected, 8 GPS antennas, feeders and SPDs can be saved, and BBU status indicator lamps are used for indication; dry contact alarm output and other functions; and the energy consumption is low, and the energy-saving and environment-friendly characteristics are realized.

In order to improve the heat dissipation condition of the intelligent multi-path distribution equipment for the GPS machine room of the present application, in some embodiments, the back of the cabinet 10 is provided with a heat dissipation fan 30, the bottom of the cabinet 10 is provided with ventilation meshes (not shown), the cabinet door 20 and the heat dissipation fan 30 of the cabinet 10 are respectively located at two sides of the cabinet 10, and the cabinet 10 is further provided with a heat dissipation device.

In one embodiment, a heat dissipation device comprises: a first heat dissipation device 4 near the heat dissipation fan 30 and a second heat dissipation device 5 arranged in the middle of the cabinet top, wherein the first heat dissipation device 4 is in a fence shape (similar to an inverted radiator shape) formed by a plurality of hollow pipes 401 connected at the bottom, a through hole 402 is formed between every two hollow pipes 401, the second heat dissipation device 5 is a hollow pipe, cooling media are arranged in the hollow pipes of the first heat dissipation device 4 and the second heat dissipation device 5, the internal space of the cabinet body is divided into a first bin 8 and a second bin 9 by the first heat dissipation device 4, one side of the upper part of the first heat dissipation device 4 is communicated with the upper part of the second heat dissipation device 5 through a first pipeline 9, the other side of the upper part of the first heat dissipation device 4 is communicated with the upper part of the second heat dissipation device 5 through a second pipeline 100, and a driving device for realizing the circulating flow of the cooling media in the first pipeline 9, the hollow pipes (the first heat dissipation device 4 and the second heat dissipation device 5) and the second pipeline 100 is arranged between the first Device 101. The driving device 101 is a water pump disposed on the second pipe 100.

When the BBU synchronous clock is used at high temperature, the heat dissipation fan 3 and the driving device work simultaneously, at the moment, the cooling medium circularly flows in the first pipeline 9, the hollow pipe and the second pipeline 10, the cooling medium in the cavity 6 on the second heat dissipation device 5 is promoted to accelerate the heat generated at the upper part of the BBU synchronous clock active distribution host 11, the cooling medium absorbing the heat flows into the hollow pipe 401 on the first heat dissipation device 4 through the first pipeline 9, because the sum of the sectional areas of the through holes 402 is smaller than the sectional area of the air outlet of the heat dissipation fan 3, the air outlet quantity of the heat dissipation fan 3 is larger than the sum of the air outlet quantities of the through holes 402, the flow speed of the air is accelerated when the air passes through the through holes 402, the air absorbing the heat in the first bin 7 converts the internal energy into kinetic energy to accelerate the through holes 402, the heat in the air near the through holes 402 is, thereby taking away the heat on the cooling medium and realizing rapid cooling.

The present application has been described with reference to specific examples, which are provided only to aid understanding of the present application and are not intended to limit the present application. For a person skilled in the art to which the application pertains, several simple deductions, modifications or substitutions may be made according to the idea of the application.

Claims (5)

1. The intelligent multi-path distribution equipment for the GPS machine room is characterized by comprising a cabinet body and a plurality of BBU pool synchronous clock active distribution hosts arranged in the cabinet body, wherein each BBU pool synchronous clock active distribution host is respectively connected with a plurality of passive distribution slave machines through radio frequency cables, and each passive distribution slave machine is respectively connected with a plurality of BBUs through optical fibers; the BBU pool synchronous clock active distribution host is provided with two-way antennas and is used for an automatic mode and a manual mode respectively, the BBU pool synchronous clock active distribution host is supplied with power by direct current, and the passive distribution slave is used for taking power from the BBU.

2. The apparatus of claim 1, wherein the passive distribution slave comprises a normal passive distribution slave or a digital passive distribution slave.

3. The device of claim 1, wherein 2-8 BBU pool synchronous clock active distribution masters are disposed in the cabinet, and each BBU pool synchronous clock active distribution master is connected with 2-8 passive distribution slaves respectively through radio frequency cables.

4. The device as claimed in claim 1, wherein a heat dissipation fan is disposed on the back of the cabinet, the cabinet door and the heat dissipation fan are disposed on two sides of the cabinet, respectively, and a heat dissipation apparatus is further disposed inside the cabinet.

5. The apparatus of claim 4, wherein the heat sink comprises: the cabinet comprises a first heat dissipation device and a second heat dissipation device, wherein the first heat dissipation device is close to a heat dissipation fan, the second heat dissipation device is arranged in the middle of a cabinet top, the first heat dissipation device is in a fence shape formed by a plurality of hollow pipes, the second heat dissipation device is a hollow pipe, cooling media are arranged in the hollow pipes of the first heat dissipation device and the second heat dissipation device, the internal space of the cabinet body is divided into a first bin and a second bin by the first heat dissipation device, one side of the upper portion of the first heat dissipation device is communicated with the upper portion of the second heat dissipation device through a first pipeline, the other side of the upper portion of the first heat dissipation device is communicated with the upper portion of the second heat dissipation device through a second pipeline, and a driving device used for achieving the circulation flow of the cooling media in the first pipeline, the hollow pipes and the second pipeline.

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