CN202798701U - Mine underground mobile communication system based on leakage technology - Google Patents
Mine underground mobile communication system based on leakage technology Download PDFInfo
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- CN202798701U CN202798701U CN 201120364360 CN201120364360U CN202798701U CN 202798701 U CN202798701 U CN 202798701U CN 201120364360 CN201120364360 CN 201120364360 CN 201120364360 U CN201120364360 U CN 201120364360U CN 202798701 U CN202798701 U CN 202798701U
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- base station
- mobile communication
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- power supply
- communication system
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Abstract
The utility model relates to a mine underground mobile communication system based on a leakage technology. The mine underground mobile communication system comprises a base station, a transmission device and a mobile station, wherein the base station includes a base station, a base station power supply, a wired/wireless exchanging terminal, a combiner, a splitter, a duplexer, a coaxial cable, an omni-directional antenna and a scheduling phone; the transmission device includes a bi-directional amplification repeater, a power splitter, a compensation power supply, a leakage cable and a load box; and the mobile station includes a hand-held machine, an intrinsic safe battery set, a vehicle-mounted station and a vehicle-mounted station power supply. The mine underground mobile communication system can be widely used for ground and underground mobile communication in various mines, provides communication on aspects of personnel command, vehicle scheduling, safety inspection and the like, and improves the mine management level and the working efficiency.
Description
Technical field
The utility model relates to the mine mobile communication field, is a kind of mine down-hole mobile communication system based on sewing technology.Can be widely used in the ground handling personnel of various mines and communicating by letter of underground work personnel, provide communication at aspects such as staffing, vehicle schedulings, improve managerial skills and the operating efficiency in mine.
Background technology
Because the stratum is very serious to electromagnetic absorption, mine terrestrial wireless signal can't pass to the down-hole, and the rugged and rough bend of mine down-hole tunnel is numerous, and traditional radio communication is again straightline propagation, can't grow the communication of many bends of distance at mine down-hole tunnel.Adopt the utility model leaky feeder communication mode, but communicate by letter with the down-hole many bends of long distance in ground; When having an accident, make ground in time understand accident conditions especially, implement effectively rescue.
Summary of the invention
The purpose of this utility model provides a kind of based on sewing the technology mobile communication system, and realization ground, mine and underground mobile communication for the production of commander, vehicle scheduling, safety inspection etc., have improved operating efficiency.
The technical scheme that the utility model adopts is: a kind of mine down-hole mobile communication system based on sewing technology, it is characterized in that, and comprise base station (1), transmission equipment (2) and travelling carriage (3); Base station (1) is connected with transmission equipment (2), and travelling carriage (3) is connected with transmission equipment (2) by sewing technology;
Described base station (1) comprises: base station (4), base station power supply (5), wireless exchange termination (6), mixer (7), splitter (8), duplexer (9), coaxial cable (11), omnidirectional antenna (12) and scheduling phone (10) are arranged;
Described transmission equipment (2) comprises: both-way trunk (13), power divider (14), offset supply (15), leaky cable (16), terminal box (17), load tray (18); Both-way trunk (13), power divider (14), offset supply (15), terminal box (17), load tray (18) connect by leaky cable (16) respectively;
Described travelling carriage (3) comprises: hand-held set (19), intrinsic safe battery group (20), Vehicle mounted station (21) and Vehicle mounted station power supply (22); Hand-held set (19) is connected with intrinsic safe battery group (20), and Vehicle mounted station (21) is connected with Vehicle mounted station power supply (22).
Scheduling phone (10) links to each other with base station (4), there is wireless exchange termination (6) to link to each other with the audio frequency input and output of base station (4), the radio frequency output of base station (4) links to each other with mixer (7), the radio frequency input of base station (4) links to each other with splitter (8), the output of mixer (7) and splitter (8) links to each other with duplexer (9), an output of duplexer (9) connects omnidirectional antenna (12) through coaxial cable (11), and another connects leaky cable (16);
The utility model can be widely used in ground and the underground mobile communication in various mines, provides communication at aspects such as staffing, vehicle scheduling, safety inspections, improves managerial skills and the operating efficiency in mine.Particularly after having an accident, the ground control personnel very first time knows that accident conditions judge, and accelerates rescue, minimizing personnel and property loss.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is the utility model base station schematic diagram.
Among the figure: 1. base station, 2 transmission equipments, 3 travelling carriages, 4. base station, 5. the base station power supply 6. has wireless exchange termination, 7. mixer, 8. splitter, 9. duplexer is 10. dispatched phone, 11 coaxial cables, 12. omnidirectional antennas, 13. both-way trunk, 14. power dividers, 15. offset supplies, 16. leaky cables, 17. terminal box, 18. load tray, 19. hand-held sets, 20. the intrinsic safe battery group, 21. Vehicle mounted stations, 22 Vehicle mounted station power supplys.
Embodiment
Referring to Fig. 1, whole system of the present utility model comprises that base station, transmission equipment and travelling carriage three parts form.Transmission equipment is comprised of both-way trunk 13, power divider 14, offset supply 15, terminal box 17, load tray 18 and leaky cable 16.Leaky cable 16 is the special coaxial cables of a kind of structure, and its outer conductor adopts the forms such as sparse braiding or longitudinal grooved, the radiofrequency signal that makes input cable when longitudinally propagating again along radially towards periphery space radiation of cable; Otherwise the radiofrequency signal of cable surrounding space also can enter cable and reverse transmission; Thereby leaky cable plays a part continuous send and receive radiofrequency signal; Both-way trunk 13 is to compensate the loss that produces when radiofrequency signal is transmitted in leaky cable; Power divider 14 is in order to introduce the branch heading with leaky cable; Offset supply 15 usefulness think that both-way trunk replenishes working power; Terminal box 17 is in order to connect two sections leaky cables; Load tray 18 usefulness are so that system matches.
Fig. 2, the base station comprises base station 4, base station power supply 5, is comprised of wireless exchange termination 6, mixer 7, splitter 8, duplexer 9, scheduling phone 10, coaxial cable 11 and omnidirectional antenna 12.Scheduling phone 10 links to each other with base station 4; The radio frequency output of base station 4 links to each other with mixer 7; The radio frequency input of base station 4 links to each other with splitter 8; The output of mixer 7 and splitter 8 links to each other with duplexer 9; An output of duplexer 9 connects omnidirectional antenna 12 through coaxial cable 11, and another connects leaky cable 16.
The voice of scheduling phone 10 are after base station 4 modulation, and behind mixer 7 and duplexer 9, a part of coaxial cable 11 is delivered to omnidirectional antenna 12, earthward spatial; A part is delivered to leaky cable 16, to the underworkings space radiation; After travelling carriage 3 receives, through demodulation reduction voice; Otherwise travelling carriage 3 after modulation, to the lane space radiation, arrives duplexer 9 and mixer 8 through the leaky cable coupled transfer with voice, through base station 5 demodulation reduction voice; Characteristics of the present utility model:
1, can hold simultaneously 1～16 channel in a leaky cable.Wherein can comprise some voice channels and Data Channel.These channels all can work independently and do not interfere with each other.
2, the dispatching telephone of each channel and travelling carriage can two-way calls.By the base station transfer, but also two-way call between the travelling carriage.
3, one of voice channel or whole channel can be realized down-hole/ground interconnection.Underground moving platform, land mobile station and dispatching telephone can be called out mutually at any time.
4, can realize wireless and wireless, wireless and wired automatic exchange by dialing with wired voice channel that links to each other.
5, system has extensibility.Can increase as required at any time base station or extend the leaky cable lay length.
Claims (1)
1. one kind based on the mine down-hole mobile communication system of sewing technology, it is characterized in that, comprises base station (1), transmission equipment (2) and travelling carriage (3); Base station (1) is connected with transmission equipment (2), and travelling carriage (3) is connected with transmission equipment (2) by sewing technology;
Described base station (1) comprises: base station (4), base station power supply (5), wireless exchange termination (6), mixer (7), splitter (8), duplexer (9), coaxial cable (11), omnidirectional antenna (12) and scheduling phone (10) are arranged;
Described transmission equipment (2) comprises: both-way trunk (13), power divider (14), offset supply (15), leaky cable (16), terminal box (17), load tray (18); Both-way trunk (13), power divider (14), offset supply (15), terminal box (17), load tray (18) connect by leaky cable (16) respectively;
Described travelling carriage (3) comprises: hand-held set (19), intrinsic safe battery group (20), Vehicle mounted station (21) and Vehicle mounted station power supply (22); Hand-held set (19) is connected with intrinsic safe battery group (20), and Vehicle mounted station (21) is connected with Vehicle mounted station power supply (22);
Scheduling phone (10) links to each other with base station (4), there is wireless exchange termination (6) to link to each other with the audio frequency input and output of base station (4), the radio frequency output of base station (4) links to each other with mixer (7), the radio frequency input of base station (4) links to each other with splitter (8), the output of mixer (7) and splitter (8) links to each other with duplexer (9), an output of duplexer (9) connects omnidirectional antenna (12) through coaxial cable (11), and another connects leaky cable (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120364360 CN202798701U (en) | 2011-09-27 | 2011-09-27 | Mine underground mobile communication system based on leakage technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120364360 CN202798701U (en) | 2011-09-27 | 2011-09-27 | Mine underground mobile communication system based on leakage technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202798701U true CN202798701U (en) | 2013-03-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120364360 Expired - Fee Related CN202798701U (en) | 2011-09-27 | 2011-09-27 | Mine underground mobile communication system based on leakage technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202798701U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113156858A (en) * | 2021-04-13 | 2021-07-23 | 中国矿业大学(北京) | Mine water online monitoring system based on' 5G + leaky cable |
-
2011
- 2011-09-27 CN CN 201120364360 patent/CN202798701U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113156858A (en) * | 2021-04-13 | 2021-07-23 | 中国矿业大学(北京) | Mine water online monitoring system based on' 5G + leaky cable |
| CN113156858B (en) * | 2021-04-13 | 2022-03-01 | 中国矿业大学(北京) | Mine water online monitoring system based on' 5G + leaky cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Wuhan Qihuan Electrical Engineering Co., Ltd. Document name: Notification of Termination of Patent Right |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20140927 |
|
| EXPY | Termination of patent right or utility model |