CN203219318U - Integrated mine communication system based on CDMA technology - Google Patents
Integrated mine communication system based on CDMA technology Download PDFInfo
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- CN203219318U CN203219318U CN 201320222513 CN201320222513U CN203219318U CN 203219318 U CN203219318 U CN 203219318U CN 201320222513 CN201320222513 CN 201320222513 CN 201320222513 U CN201320222513 U CN 201320222513U CN 203219318 U CN203219318 U CN 203219318U
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Abstract
The utility model discloses an integrated mine communication system based on a CDMA technology. A signal transmission device of the mine communication system is connected with a CDMA base station to realize data exchange, a ground scheduling module, the signal transmission device, the CDMA base station and a mine near-end signal converter are installed above the ground, the CDMA base station and the mine near-end signal converter are interconnected to realize signal conversion, the mine near-end signal converter is respectively interconnected with a plurality of underground communication modules through an optical fiber network, the plurality of underground communication modules are respectively arranged in corresponding mine laneways, and each underground communication module comprises at least one mine wireless signal converter used for signal conversion and an intrinsic safety type CDMA voice terminal which is interconnected with the wireless signal converters through a CDMA network. The integrated mine communication system based on the CDMA technology can support the voice, data and short message sending, scheduling and PTT function, is not easy to drop from the network under the mine laneway working environment, has strong anti-interference capability, good voice communication effect and good underground coverage effect, not only can operate independently, but also can realize the networking of group customers.
Description
Technical field
The utility model relates to the mining communication system of a kind of integral type based on CDMA technology, belongs to mining communication equipment technical field.
Background technology
At present, in existing Safety of Coal Mine Production information system with in using, mining communication system mainly comprises mining communication system based on the PHS technology, based on the mining communication system of WIFI technology with based on the mining communication system of TD-SCDMA technology.Mining communication system based on the PHS technology is in the present China's coal-mine, the wireless private network communication solution that range of application is the widest, because the equipment replacement problem of moving back frequency band of PHS, make original PHS communication equipment of enterprise not continue on ground to use, and based on the mining communication system of PHS technology, need a plurality of base station deployment in the down-hole based on the mining communication system of WIFI technology with based on the mining communication system of TD-SCDMA technology, exist the frequent problem of switching between the base station, easy call drop, the transmission of wireless signals loss of these communication systems in the down-hole simultaneously is big and diffracting power is relatively poor, antijamming capability is not strong, the down-hole coverage effect is bad, the voice call effect is general under the mine laneway operational environment, and these mining communication systems belong to isolated island formula networking mode, gone out the private network area of coverage, the private network mobile phone just can not use, and uses also relatively limitation.
Summary of the invention
Technical problem to be solved in the utility model is the defective that overcomes prior art, provide a kind of integral type based on CDMA technology mining communication system, it can support voice, data, note transmission and scheduling and PTT function, under the mine laneway operational environment, be not easy net, and antijamming capability is strong, and voice call is effective, and the downhole wireless coverage effect is good, and not only can independent operating, also can realize the group user networking.
In order to solve the problems of the technologies described above, the technical solution of the utility model is: the mining communication system of a kind of integral type based on CDMA technology, it comprises aboveground scheduler module, signal transmission apparatus, cdma base station, mining near end signal converter, the voice gateways of organizing the underground communica tion modules and being used for connecting the external common network more, signal transmission apparatus links to realize exchanges data with aboveground scheduler module and voice gateways respectively by Ethernet, signal transmission apparatus also links to realize exchanges data with cdma base station, aboveground scheduler module, signal transmission apparatus, cdma base station and mining near end signal converter all are installed on aboveground, cdma base station and mining near end signal converter link to realize the signal conversion, mining near end signal converter is attached to a plurality of underground communica tion modules respectively by fiber optic network, a plurality of underground communica tion modules are installed in respectively in the corresponding mine laneway, and the underground communica tion module comprises that at least one is used for the mining wireless signal converter of signal conversion and nets joining intrinsic safety type CDMA voice terminal with mining wireless signal converter by CDMA.
Also be connected with on the described Ethernet for the packet data serving node that connects the Internet.
Described underground communica tion module also comprises the intrinsic safety type wireless video terminal, also is connected with video monitoring server on the described Ethernet, and the intrinsic safety type wireless video terminal links by CDMA net and mining wireless signal converter.
Also be connected with first integrated access equipment that can insert the down-hole telephone and second integrated access equipment that can insert the ground telephone on the described Ethernet.
Described aboveground scheduler module comprises WCM exchange of management server, dispatch server, PTT communication scheduling platform and subscriber management server, and described WCM exchange of management server, dispatch server, PTT communication scheduling platform and subscriber management server are connected on the Ethernet respectively.
Described mining wireless signal converter is provided with mining radio-frequency antenna.
Described mining wireless signal converter is provided with the leaky cable that produces alarm signal.
Be provided with a plurality of optical cable junction boxs in the described fiber optic network, after described mining near end signal converter is attached to a plurality of optical cable junction boxs respectively by optical cable, be attached to the mining wireless signal converter of underground communica tion module again.
After having adopted technique scheme, the utlity model has following beneficial effect:
1, this communication system is based on CDMA technology, and it adopts the 800MHz frequency range, and loss is little and diffracting power is strong, is the optimum frequency band that is fit to mine laneway environment transmission of wireless signals; Rely on the transmitting power of the maximum 1W of mining wireless signal converter, directly increased the coverage distance of wireless signal; In conjunction with the intrinsic multiple anti-interference advantage of cdma wireless mechanics of communication itself, can significantly improve the result of use of wireless telecommunications again, it has avoided the switching problem between the base station, is not easy net, and the down-hole coverage effect is good.
2, networking mode flexibly: but the Ethernet independent operating of this communication system, also can insert the CDMA of China Telecom public communication network, same cellphone subscriber can roam between Ethernet and telecommunications C net, neither need to build ground in addition separately and cover, also can must enlarge the scope of application greatly simultaneously; The private network frequency is used and is legalized, and standard is unified, and number is unified, and seamless covering realizes the whole network roaming; Also can by with the linking of user's line communication system (comprising administration telephone switching system and down-hole Dispatching Exchange System), realize the seamless link of enterprise's communication private network.
3, easy system upgrade and dilatation: the utility model can support voice, data, note transmission and scheduling and PTT function, under the situation that does not change any underground equipment, only need in aboveground components of system as directed, to pile up the relevant device unit, just can realize number of users dilatation, high-speed mobile data service, mobile office etc. function; Can be by the mode of long-range VPN login, direct upgrade-system software, thereby increase systemic-function, raising system newly can, maintenance system equipment etc. fast, protected user's investment, saved maintenance and upgrade cost.
4, this communication system extensibility is strong, can realize single mine networking or group's many mines strange land networking, has effectively improved the resource utilization of subscriber equipment.
5, the CDMA of this communication system adopts the EVRC speech coding technology, can suppress background noise effectively, and is effective in the voice call of mine laneway operational environment.
6, designed leaky cable on the mining wireless signal converter, it can produce the exotic alarm signal, has increased warning function.
Description of drawings
Fig. 1 is the structured flowchart of the mining communication system of integral type based on CDMA technology of the present utility model.
Embodiment
Content of the present utility model is easier to be expressly understood in order to make, according to specific embodiment also by reference to the accompanying drawings, the utility model is described in further detail below,
As shown in Figure 1, the mining communication system of a kind of integral type based on CDMA technology, it comprises aboveground scheduler module, signal transmission apparatus, cdma base station, mining near end signal converter, the voice gateways of organizing the underground communica tion modules and being used for connecting the external common network more, signal transmission apparatus links to realize exchanges data with aboveground scheduler module and voice gateways respectively by Ethernet, signal transmission apparatus also links to realize exchanges data with cdma base station, aboveground scheduler module, signal transmission apparatus, cdma base station and mining near end signal converter all are installed on aboveground, cdma base station and mining near end signal converter link to realize the signal conversion, mining near end signal converter is attached to a plurality of underground communica tion modules respectively by fiber optic network, a plurality of underground communica tion modules are installed in respectively in the corresponding mine laneway, and the underground communica tion module comprises that at least one is used for the mining wireless signal converter of signal conversion and nets joining intrinsic safety type CDMA voice terminal with mining wireless signal converter by CDMA.Voice gateways of the present utility model are connected to Public Switched Telephone Network and are connected to the CDMA of China Telecom net again, realize the interconnection with outside mobile phone.This communication system is based on CDMA technology, and it adopts the 800MHz frequency range, and loss is little and diffracting power is strong, is the optimum frequency band that is fit to mine laneway environment transmission of wireless signals; Rely on the transmitting power of the maximum 1W of mining wireless signal converter, directly increased the coverage distance of wireless signal; In conjunction with the intrinsic multiple anti-interference advantage of cdma wireless mechanics of communication itself, can significantly improve the result of use of wireless telecommunications again, it has avoided the switching problem between the base station, is not easy net, and the down-hole coverage effect is good.This communication system has networking mode flexibly: but the Ethernet independent operating of this communication system, also can insert the CDMA of China Telecom public communication network, same cellphone subscriber can roam between Ethernet and telecommunications C net, neither need to build ground in addition separately and cover, also can must enlarge the scope of application greatly simultaneously; The private network frequency is used and is legalized, and standard is unified, and number is unified, and seamless covering realizes the whole network roaming; Also can by with the linking of user's line communication system (comprising administration telephone switching system and down-hole Dispatching Exchange System), realize the seamless link of enterprise's communication private network.The CDMA of this communication system adopts the EVRC speech coding technology, can suppress background noise effectively, and is effective in the voice call of mine laneway operational environment.
Also be connected with on the Ethernet for the packet data serving node (PDSN) that connects the Internet.Can connect with external the Internet by this packet data serving node.
The underground communica tion module also comprises the intrinsic safety type wireless video terminal, also be connected with video monitoring server on the Ethernet, the intrinsic safety type wireless video terminal links by CDMA net and mining wireless signal converter, and the intrinsic safety type wireless video terminal can be carried out monitoring to the scene, down-hole.
Also be connected with first integrated access equipment that can insert the down-hole telephone and second integrated access equipment that can insert the ground telephone on the Ethernet.The utility model can also utilize the existing switch in colliery to be connected with the China Telecom fixed-line telephone network, realizes and China Telecom's communication network intercommunication, thereby realizes that unified external voice connect.
Aboveground scheduler module comprises WCM exchange of management server, dispatch server, PTT communication scheduling platform and subscriber management server, and described WCM exchange of management server, dispatch server, PTT communication scheduling platform and subscriber management server are connected on the Ethernet respectively.
Mining wireless signal converter is provided with mining radio-frequency antenna.Mining radio-frequency antenna can adopt mining omnidirectional antenna, mining directional antenna or mining wall aerial, its descending peak power output 1W(30dBm), export built-in 2 power dividers of general employing equipment and connect mining directional antenna respectively, the effective descending power of antenna port is about 23dBm, and the two-way peak signal of unit is stablized coverage and is about 800 meters.
Mining wireless signal converter is provided with the leaky cable that produces alarm signal.Leaky cable can produce the exotic alarm signal, makes native system increase warning function.
Be provided with a plurality of optical cable junction boxs in the fiber optic network, after described mining near end signal converter is attached to a plurality of optical cable junction boxs respectively by optical cable, be attached to the mining wireless signal converter of underground communica tion module again.
Operation principle of the present utility model is as follows:
Signal transmission apparatus: be used for the signal transmission between Ethernet and the cdma base station.
Intrinsic safety type CDMA voice terminal: designated person's communication terminal, realize voice communication, short message receiving-transmitting, PTT communication etc.
WCM exchange of management server: all conversations of this communication system are controlled and managed for dispatching services, PTT business, short message service provide support the platform unification.
PTT communication scheduling platform: realize voice scheduling operation and note issuing function.
Voice gateways: the voice of being responsible for Ethernet and other private networks or public network are connected and protocol conversion.
Cdma base station: what adopt at present is the CDMA2000 base station system, and it can provide complete CDMA 2000 wireless communication services.
Mining near end signal converter: the CDMA signal of cdma base station is converted to light signal and gives mining wireless signal converter by downlink optical fiber; Equally, reverse uplink optical signal is reduced to radiofrequency signal, and feeds back to cdma base station.
Mining wireless signal converter: for the wireless application terminal is finished and being connected and conversion of ground light, and realize the covering of roadway wireless signal.
Optical cable junction box: distribute and is connected the down-hole optical cable, with network mesh of wireless communication module composition of each mine laneway.
Cdma wireless signal through cdma base station is converted to light signal by the aboveground mining near end signal converter that coexists, through down-hole dedicated optical fibre web, arrive the mining wireless signal converter of down-hole, revert to the cdma wireless signal, realize the cdma wireless signal under the coal mine is covered.A mining wireless signal converter is set about every 800m, and the wireless signal of terminal under emission cdma base station base station and the received well is realized the seamless covering in underground work zone.
Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; institute is understood that; the above only is specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any modification of making, be equal to replacement, improvement etc., all should be included within the protection range of the present utility model.
Claims (10)
1. mining communication system of the integral type based on CDMA technology, it is characterized in that: it comprises aboveground scheduler module, signal transmission apparatus, cdma base station, mining near end signal converter, the voice gateways of organizing the underground communica tion modules and being used for connecting the external common network more, signal transmission apparatus links to realize exchanges data with aboveground scheduler module and voice gateways respectively by Ethernet, signal transmission apparatus also links to realize exchanges data with cdma base station, aboveground scheduler module, signal transmission apparatus, cdma base station and mining near end signal converter all are installed on aboveground, cdma base station and mining near end signal converter link to realize the signal conversion, mining near end signal converter is attached to a plurality of underground communica tion modules respectively by fiber optic network, a plurality of underground communica tion modules are installed in respectively in the corresponding mine laneway, and the underground communica tion module comprises that at least one is used for the mining wireless signal converter of signal conversion and nets joining intrinsic safety type CDMA voice terminal with mining wireless signal converter by CDMA.
2. according to the mining communication system of the integral type based on CDMA technology shown in the claim 1, it is characterized in that: also be connected with on the described Ethernet for the packet data serving node that connects the Internet.
3. according to the mining communication system of the integral type based on CDMA technology shown in the claim 1, it is characterized in that: described underground communica tion module also comprises the intrinsic safety type wireless video terminal, also be connected with video monitoring server on the described Ethernet, the intrinsic safety type wireless video terminal links by CDMA net and mining wireless signal converter.
4. according to the mining communication system of the integral type based on CDMA technology shown in the claim 2, it is characterized in that: described underground communica tion module also comprises the intrinsic safety type wireless video terminal, also be connected with video monitoring server on the described Ethernet, the intrinsic safety type wireless video terminal links by CDMA net and mining wireless signal converter.
5. according to the mining communication system of each described integral type based on CDMA technology in the claim 1 to 4, it is characterized in that: also be connected with first integrated access equipment that can insert the down-hole telephone and second integrated access equipment that can insert the ground telephone on the described Ethernet.
6. according to the mining communication system of each described integral type based on CDMA technology in the claim 1 to 4, it is characterized in that: described aboveground scheduler module comprises WCM exchange of management server, dispatch server, PTT communication scheduling platform and subscriber management server, and described WCM exchange of management server, dispatch server, PTT communication scheduling platform and subscriber management server are connected on the Ethernet respectively.
7. according to the mining communication system of the integral type based on CDMA technology described in the claim 5, it is characterized in that: described aboveground scheduler module comprises WCM exchange of management server, dispatch server, PTT communication scheduling platform and subscriber management server, and described WCM exchange of management server, dispatch server, PTT communication scheduling platform and subscriber management server are connected on the Ethernet respectively.
8. the mining communication system of the integral type based on CDMA technology according to claim 1, it is characterized in that: described mining wireless signal converter is provided with mining radio-frequency antenna.
9. the mining communication system of the integral type based on CDMA technology according to claim 1 is characterized in that: described mining wireless signal converter is provided with the leaky cable that produces alarm signal.
10. the mining communication system of the integral type based on CDMA technology according to claim 1, it is characterized in that: be provided with a plurality of optical cable junction boxs in the described fiber optic network, after described mining near end signal converter is attached to a plurality of optical cable junction boxs respectively by optical cable, be attached to the mining wireless signal converter of underground communica tion module again.
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| CN 201320222513 CN203219318U (en) | 2013-04-27 | 2013-04-27 | Integrated mine communication system based on CDMA technology |
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| CN 201320222513 CN203219318U (en) | 2013-04-27 | 2013-04-27 | Integrated mine communication system based on CDMA technology |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103220197A (en) * | 2013-04-27 | 2013-07-24 | 常州三维天地通讯系统有限公司 | Integrated mine communication system based on code division multiple access (CDMA) technology |
| CN103607792A (en) * | 2013-11-29 | 2014-02-26 | 陕西汇华数字科技有限公司 | Mining comprehensive service communication management system |
| CN103746718A (en) * | 2013-12-30 | 2014-04-23 | 周云飞 | GSM (Global System for Mobile) individual soldier portable type emergency communication system |
-
2013
- 2013-04-27 CN CN 201320222513 patent/CN203219318U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103220197A (en) * | 2013-04-27 | 2013-07-24 | 常州三维天地通讯系统有限公司 | Integrated mine communication system based on code division multiple access (CDMA) technology |
| CN103607792A (en) * | 2013-11-29 | 2014-02-26 | 陕西汇华数字科技有限公司 | Mining comprehensive service communication management system |
| CN103746718A (en) * | 2013-12-30 | 2014-04-23 | 周云飞 | GSM (Global System for Mobile) individual soldier portable type emergency communication system |
| CN103746718B (en) * | 2013-12-30 | 2016-04-13 | 福州金石电子科技有限公司 | A kind of GSM individual soldier's portable emergency communication system |
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