CN201114596Y

CN201114596Y - Distributed cluster channel controller

Info

Publication number: CN201114596Y
Application number: CNU2007200577921U
Authority: CN
Inventors: 徐京海; 高翔; 李映华; 王海波
Original assignee: Guangzhou Victel Technology Co Ltd
Current assignee: Guangzhou Victel Technology Co Ltd
Priority date: 2007-09-29
Filing date: 2007-09-29
Publication date: 2008-09-10
Anticipated expiration: 2017-09-29

Abstract

The utility model relates to a distributed cluster channel controller, comprising a mainboard, a function module, a signaling module, a connection module, an EM module and a GSM link module, which is characterized in that the mainboard, the signaling module, the connection module, the EM module and the GSM link module are connected with each other; the function module comprises a singlechip and two four-difference bus transceivers at the periphery of the function module; the singlechip is respectively connected with the two four-difference bus transceivers, the mainboard, the signaling module, the connection module, the EM module and the GSM link module by data bus in order to control and handle the inter-connection and information transmission among all module circuits. The distributed cluster channel controller has the advantages that the singlechip is an ATMEGA128 singlechip, which can write different bottom layer programmers and can realize different cluster communication system functions; a virtual frequency library is built in the function module; by the control and scheduling of the function module, all sub site channel devices can divide frequency dynamically according to demand, thus improving the whole service efficiency of the frequency and providing expansion space for the whole network system.

Description

The distributed type assemblies channel controller

Technical field

The utility model relates to a kind of distributed type assemblies channel controller.

Background technology

Usually the group system networking has Wireless Networking, wired networking, multiple networking mode such as wireless mixing networking is arranged, no matter which kind of networking mode, its controller principle that adopts all is made up of signaling circuit, connecting circuit, functional circuit etc., simple process information, at last with the mutual UNICOM of the information of handling, send.But this controller can not change the transmitting-receiving frequency of channel device, and the transmitting-receiving frequency configuration of its channel device can only be fixed form, and each channel device must be a pair of frequency of fixing, and the utilance of channel device and frequency is extremely low, and operating efficiency is also extremely low.Along with the continuous growth of customer volume, the dilatation demand of system is more and more urgent, and original networking mode has exposed many doubt and difficult point.How limited frequency and existing equipments resources are made full use of, special-purpose cluster net is effectively transformed and the complete networking upgrading, become the focus of cluster private network research and development.

The utility model content

In order to overcome above shortcoming, the utility model provides a kind of distributed type assemblies channel controller, it is the core controller of realizing networking such as cluster compartment system, at each website, comprise that each channel device on dominant base, subbase station and the cell on wheels all disposes a distributed type assemblies channel controller, forms a distributed type assemblies network control platform.

In order to achieve the above object, the utility model comprises mainboard, functional module group, signaling module, connection module, wired networking (EM) module and mobile public network networking (GSM) link module; Mainboard is provided with local reception circuit, local transtation mission circuit, link receiving circuit, link transtation mission circuit, connects with the interface connecting circuit that is connected module by tone frequency channel wire; Local reception circuit, local transtation mission circuit are connected with a coding and decoding circuit of signaling module; Link receiving circuit, link transtation mission circuit are connected with another coding and decoding circuit of signaling module; Also have the audio exchange circuit in the connection module, be connected with correcting circuit with the interface connecting circuit respectively; Functional module group comprises single-chip microcomputer and two four peripheral differential bus transceivers; Single-chip microcomputer is connected with two four differential bus transceivers and above-mentioned local reception circuit, local transtation mission circuit, link receiving circuit, link transtation mission circuit, coding and decoding circuit, interface connecting circuit, audio exchange electricity, correcting circuit, EM module and GSM link module respectively by data wire, is connected to each other and the information transmission between each modular circuit of control and treatment.

Single-chip microcomputer of the present utility model is the ATMEGA128 single-chip microcomputer, can write different bottom programs, realizes different trunked communication system functions.

The utility model has the advantages that: in functional module group, set up the virtual frequency storehouse, make in the frequency configuration of whole communication network, control and allotment by functional module group, all substation channel devices have been realized dynamic assignment frequency as required, strengthened the ability of functional module group control and treatment information greatly, improved the whole service efficiency of frequency, the space of dilatation is provided for whole network system.The utility model has adopted module type, independent connect-disconnect structure simultaneously, and the pcb board layout designs is scientific and reasonable, and the function expansion is quick, simple, easy to maintenance.

Description of drawings

The block diagram that Fig. 1 connects for the utility model circuit;

Fig. 2 is the circuit diagram of utility model single-chip microcomputer;

Fig. 3 is the circuit diagram of one of them four differential bus transceiver in the utility model;

Fig. 4 is the circuit diagram of another four differential bus transceiver in the utility model;

Fig. 5 is the utility model user mode schematic diagram.

Embodiment

As shown in Figure 1: the utility model mainly is made up of mainboard 1, functional module group 2, signaling module 3, connection module 4, EM module 5 and GSM link module 6.

Mainboard is provided with local reception circuit 7, local transtation mission circuit 8, link receiving circuit 9, link transtation mission circuit 10, is connected with the channel set of outside, is responsible for receiving and transmission information.

The signaling module comprises two groups of FFSK coding and decoding circuit 11,12, wherein one group of FFSK coding and decoding circuit 11 is connected with local transtation mission circuit with the local reception circuit of mainboard, and another group FFSK coding and decoding circuit 12 is connected with the link transtation mission circuit with the link receiving circuit of mainboard.The core of two groups of FFSK coding and decoding circuit is the signaling logic control circuit, is responsible for processing signaling information.

The function that connects module is a processed voice information, is made up of interface connecting circuit 13, audio exchange circuit 14 and correcting circuit 15.In this module internal, the audio exchange circuit is connected with interface connecting circuit, correcting circuit respectively.In the module outside, the interface connecting circuit is connected with the local reception circuit of mainboard, local transtation mission circuit, link receiving circuit, link transtation mission circuit by tone frequency channel wire.Correcting circuit belongs to optional function, can adopt one or more correcting circuits according to the needs of different systems.Adoptable correcting circuit has delay correction circuit, subsonics correcting circuit etc.

GSM module 5 connects 13 with the interface connecting circuit that is connected module, is applicable to the networking of vehicle-carried mobile base station and system.

EM module 6 is connected with the local reception circuit of mainboard, local transtation mission circuit, link receiving circuit, link transtation mission circuit, handles wired information.

As shown in Figure 1 and Figure 2, functional module group 2 is made up of a single-chip microcomputer 16 and peripheral two four differential bus transceivers 17,18.Single-chip microcomputer is connected with two FFSK coding and decoding circuit of these two four differential bus transceivers and GSM module, EM module, interface connecting circuit, local reception circuit, local transtation mission circuit, link receiving circuit, link transtation mission circuit and signaling module respectively by data wire.Single-chip microcomputer adopts ATMEGA128 unit sheet, is connected to each other and the information transmission between each modular circuit of control and treatment.Connect different plug-in units by external pin, as central master station feature card (containing major control data, virtual frequency storehouse etc.), substation feature card, substation feature card, conventional func plug-in unit etc., can different bottom programs be write in the single-chip microcomputer thus, realize different trunked communication system functions.Such as: cluster compartment system central master station controlling platform adopts the control die set that contains virtual frequency storehouse, and the substation functional module group is adopted at the subbase station, and substation adopts the substation functional module group, and conventional func module etc. is adopted at conventional station.Four differential bus transceivers are RS-485/422A four differential bus transceivers, transceiver and local channel and link channel machine data bus communication as shown in Figure 3, be responsible for information translation is become the RS-485 interface level, data/address bus by mainboard is delivered to channel device, with the interconnection of other channel device data/address bus, realized interrelated between all channel devices.As shown in Figure 4 another four differential bus transceivers connect display device and situ configuration bus interface.

The utility model is mainly used in distributed type assemblies network control platform, as shown in Figure 5.Controlling platform is provided with center base station 19, subbase station A, B ... center base station is provided with master control channel, sub-control channel and a plurality of voice channel, the subbase station is provided with son control channel and a plurality of voice channel, in the control range at center base station and subbase station, also be provided with a plurality of travelling carriage a, b, c, d ..., the effect at center base station and subbase station is exactly the communication of controlling between each travelling carriage.Each channel device on each base station has all been prepared a distributed type assemblies channel controller, the work at control centre base station and subbase station.Different base stations needs different functional module group, and cluster compartment system central master station controlling platform adopts the control die set that contains virtual frequency storehouse, and the substation functional module group is adopted at the subbase station.When travelling carriage a sends the request of communicating by letter with travelling carriage c, travelling carriage a at first sends signaling to its subbase station, place A, the local reception circuit of the distributed type assemblies channel controller of control subbase station A is received signaling information, functional module group is just sent instruction to signaling module and link transtation mission circuit, allow the signaling module that the signaling information of receiving is handled, then the link transtation mission circuit is delivered to the signaling information of handling by instruction the link receiving circuit of the distributed type assemblies channel controller of center base station, the functional module group of center base station is sent instruction to the signaling module, the signaling information that processing receives, response request then, distribute a pair of frequency to give two sub-base stations that participate in communication, simultaneously by the link transtation mission circuit, send the signaling information that travelling carriage a communicates by letter with travelling carriage c to two sub-base stations, center base station is given voice channel of two sub-base station assigns respectively then, after two sub-base stations received and handle signaling information, travelling carriage a realized communicating by letter with travelling carriage c.During communication, the voice messaging that travelling carriage a sends, after the connection module of the distributed type assemblies channel controller of its affiliated subbase station A of process is handled, send to center base station, after the connection module of the distributed type assemblies channel controller of center base station is handled information, be forwarded to the affiliated subbase station B of travelling carriage c, after the connection module of the distributed type assemblies channel controller of subbase station B is handled information, voice messaging sent to travelling carriage c.If travelling carriage a communicate by letter with travelling carriage b, owing to be in the control range of same subbase station A, just then being assigned to behind frequency and the voice channel can direct communication, does not need to control the base station forwarding through the center.

Claims

1. a distributed type assemblies channel controller comprises mainboard, functional module group, signaling module, connection module, wired networking (EM) module and mobile public network networking (GSM) link module; Described mainboard is provided with local reception circuit, local transtation mission circuit, link receiving circuit, link transtation mission circuit, connects with the interface connecting circuit that is connected module by tone frequency channel wire; Described local reception circuit, local transtation mission circuit are connected with a group coding decoding circuit of signaling module; Described link receiving circuit, link transtation mission circuit are connected with another group coding decoding circuit of signaling module; Also have the audio exchange circuit in the described connection module, be connected with correcting circuit with the interface connecting circuit respectively; It is characterized in that: described functional module group comprises single-chip microcomputer and two four peripheral differential bus transceivers; Described single-chip microcomputer is connected with two four differential bus transceivers and above-mentioned local reception circuit, local transtation mission circuit, link receiving circuit, link transtation mission circuit, coding and decoding circuit, interface connecting circuit, audio exchange electricity, correcting circuit, wired networking (EM) module and mobile public network (GSM) link module that networks respectively by data wire, is connected to each other and the information transmission between each modular circuit of control and treatment.

2. a kind of distributed type assemblies channel controller according to claim 1 is characterized in that: described single-chip microcomputer is the ATMEGA128 single-chip microcomputer, can write different bottom programs, realizes different trunked communication system functions.