CN201846347U - Coal mine underground wireless communication system - Google Patents
Coal mine underground wireless communication system Download PDFInfo
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- CN201846347U CN201846347U CN2010206183249U CN201020618324U CN201846347U CN 201846347 U CN201846347 U CN 201846347U CN 2010206183249 U CN2010206183249 U CN 2010206183249U CN 201020618324 U CN201020618324 U CN 201020618324U CN 201846347 U CN201846347 U CN 201846347U
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- coal mine
- wireless communication
- femtocell
- base station
- optical fiber
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- 238000004891 communication Methods 0.000 title claims abstract description 23
- 239000003245 coal Substances 0.000 title claims abstract description 22
- 239000013307 optical fiber Substances 0.000 claims abstract description 23
- 230000006855 networking Effects 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 abstract 1
- 238000012423 maintenance Methods 0.000 abstract 1
- 230000001737 promoting effect Effects 0.000 abstract 1
- 238000013461 design Methods 0.000 description 6
- 238000012546 transfer Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
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Abstract
The utility model discloses a coal mine underground wireless communication system, which comprises a plurality of femtocell base stations arranged underground and connected by branch optical fibers; the femtocell base stations are connected with a femtocell access gateway arranged above a well by a transmission device, and the femtocell access gateway is connected with a core network device. The coal mine underground wireless communication system has the benefits of being capable of providing complete network security guarantee and carrier-class QoS guarantee with end-to-end business, providing abundant voice, video and high-speed data business, and meeting application demands, being simple and flexible in networking, supporting automatic software upgrading, being convenient for network maintenance, conforming to coal mine safety requirements and promoting high-speed business feeling of users.
Description
Technical field
The utility model relates to a kind of communication technical field, particularly a kind of Underground Wireless Communication in Coal Mine system.
Background technology
At present, there are Personal Handyphone System PHS, WIFI etc. in existing wireless communications system in colliery.But also there is the inferior position of many inadequate natural endowments in the Personal Handyphone System system, such as the transport tape width of Personal Handyphone System system, is difficult to guarantee other transfer of data (as requiring data bandwidth than higher video data) in speech communication again.Though WIFI can well support data services, speech business is supported of low quality, WIFI is suitable for unauthorized radio band, is easy to generate noise and delay, and unauthorized frequency range is easy under attackly, has very big potential safety hazard.Communication system under the coal mine can not adapt to the demand of colliery development, along with the introducing of down-hole video monitoring service, transfer of data is also proposed higher requirement, needs system that the mobile radio telecommunications business of voice, data can be provided.And owing to be one there was dampness in the air under the coal mine, and inflammable and explosive environment, need equipment to possess protection against the tide, anticorrosion, characteristics such as explosion-proof.
Summary of the invention
For solving above technical deficiency, the utility model provides a kind of Underground Wireless Communication in Coal Mine system, and it can significantly reduce interference, improves internet security and guarantees, realization business carrier class QoS end to end ensures.
The utility model is realized by following measure:
A kind of Underground Wireless Communication in Coal Mine of the present utility model system comprises being arranged on the some by dividing of down-hole
Prop up the femtocell base station that optical fiber is connected, described femtocell base station is connected with by transmitting device and is arranged on aboveground femtocell IAD, and the femtocell IAD is connected with the core net device.
Above-mentioned femtocell base station is connected by adsl interface, cable interface, Ethernet interface or optical fiber interface with the femtocell IAD, and multiple connected mode can be arranged.
Above-mentioned some femtocell base station chain, star-like or tree group network, networking is simple, flexible.
Wherein a kind of connected mode is: above-mentioned transmitting device comprises intrinsic safe explosion-proof switch, down hole annular structured optical fiber, aboveground key optical fiber and router, described femtocell base station connects the intrinsic safe explosion-proof switch, the intrinsic safe explosion-proof switch connects the down hole annular structured optical fiber, the down hole annular structured optical fiber connects aboveground key optical fiber, router is connected on the aboveground key optical fiber, and the femtocell IAD connects router.
Said system also comprises the intrinsic safety terminal that matches with the femtocell base station, comprises mobile phone etc.
Above-mentioned femtocell base station is intrinsic safety flame-proof type femtocell base station.
Above-mentioned core net device comprises service application service device, authentication server or certificate server.
The beneficial effects of the utility model are: adopt 3GPP international communication standard, the compliance with wireless communication main flow 1.
Developing direction.Adopt the femtocell technical scheme, be fit to wireless coverage application scenarios under the coal mine, can provide perfect internet security to guarantee and business carrier class QoS guarantee end to end, abundant voice, video, high-speed data service is provided, satisfy application demand; 2. flat network architectures is supported chain, star-like, tree-like networking, and networking is simple, flexible.3. support the automatic software upgrading, the network operation facility is supported automatic network planning, avoids links such as the complicated network planning, the network optimization.4. the underground equipment type is few, system reliability, the maintainable lifting.5. the design of intrinsic safety flame proof is adopted in the base station, and terminal adopts design of essence safety, meets safety of coal mines and requires to promote the impression of user's high speed business.
Description of drawings
Fig. 1 is a structured flowchart of the present utility model.
Fig. 2 is an intrinsic safety flame-proof type femtocell base station chain networking structural representation.
Fig. 3 is the star-like networking structure schematic diagram in intrinsic safety flame-proof type femtocell base station.
Fig. 4 is an intrinsic safety flame-proof type femtocell base station tree group network structural representation.
Among the figure: 1 intrinsic safety terminal, 2 intrinsic safety flame-proof type femtocell base stations, 3 branch's Ethernets, 4 intrinsic safe explosion-proof switches, 5 down hole annular Ethernets, 6 aboveground key Ethernets, 7 routers, 8femtocell IAD, 9 core net devices.
Embodiment
As shown in Figure 1, the utility model system comprises following a few part:
Radio communication device: be colliery Flameproof intrinsically safe wireless communication system, system design meets
3GPP Release8 standard, and design meets the safety of coal mines corresponding requirements.Comprise intrinsic safety flame-proof type femtocell base station 2, femtocell IAD 8 and intrinsic safety terminal 1.
Intrinsic safety flame-proof type femtocell base station 2 is that the design of intrinsic safety flame proof is carried out in the femtocell base station, introduces the colliery application.The femtocell base station claims femtocell, Home eNodeB, femto base station or the like again, support voice and high-speed data service, and support meets the intrinsic safety terminal 1 of 3gpp standard; Adopt the IP network framework of flattening, by the Iuh interface connection femtocell IAD 8 of standard.Connect by adsl interface, cable interface, Ethernet interface or optical fiber interface between femtocell base station and the femtocell IAD 8.Some intrinsic safety flame-proof type femtocell base station 2 is arranged on the down-hole and is connected by branch optical fiber, and chain, star-like, tree group network satisfy special screne demand under the coal mine.
Femtocell IAD 8 connects core net devices 9, core net device 9 comprise the service application service device,
Authentication server, certificate server etc., realize communication security management, coal mining enterprise's internal network service application and with being connected of operator's public network.
Intrinsic safety terminal 1 is complementary with intrinsic safety flame-proof type femtocell base station 2, for the mobile phone that adopts design of essence safety etc.
The utility model system has following functional characteristics:
1) can finish IP connection and IP automatically and distribute, carry out long-range automatic software upgrading, automatic network rule
Draw, comprise the selection of least interference frequency, the automatic distribution of scrambler, the automatic establishment of Neighboring Cell List and the automatic adjustment of transmitting power.
2) user's access is satisfied every standard code of 3GPP.
3) support switching controls, can realize seamless switching, improve user's perceptibility.
4) 3GPP typical services such as support voice, video, high-speed data.
5) covering radius is not less than 50 meters, supports that number of users is no less than 4, supports that the user moves, and supports IEEE1588 or NTP/SNTP Network Synchronization.
It is as follows by a kind of mode that transmitting device is connected with femtocell IAD 8 to illustrate intrinsic safety flame-proof type femtocell base station 2:
Transmitting device comprises intrinsic safe explosion-proof switch 4, the down hole annular structured optical fiber, aboveground key optical fiber and router 7, branch light is formed branch's Ethernet 3 intrinsic safety flame-proof type femtocell base station 2 is coupled together, branch's Ethernet 3 inserts intrinsic safe explosion-proof switch 4 by Ethernet interface, intrinsic safe explosion-proof switch 4 inserts the down hole annular Ethernet of being made up of the down hole annular structured optical fiber 5 by Ethernet interface, down hole annular Ethernet 5 inserts the aboveground key Ethernet of being made up of aboveground key optical fiber 6, router 7 inserts aboveground key Ethernet 6, and femtocell IAD 8 connects router 7 through fire compartment wall.
The foregoing description is described to be in order to specify this patent; though describe by specific term in the literary composition; but can not limit the protection range of this patent with this; being familiar with the personage of this technical field can be after the spirit of understanding this patent and principle change or revises it and reach equivalent purpose; and this equivalence change and modification all should be covered by the claim scope and define in the category.
Claims (7)
1. Underground Wireless Communication in Coal Mine system, it is characterized in that: comprise the some femtocell base stations that are connected by branch optical fiber that are arranged on the down-hole, described femtocell base station is connected with by transmitting device and is arranged on aboveground femtocell IAD, and the femtocell IAD is connected with the core net device.
2. according to the described Underground Wireless Communication in Coal Mine of claim 1 system, it is characterized in that: described femtocell base station is connected by adsl interface, cable interface, Ethernet interface or optical fiber interface with the femtocell IAD.
3. according to the described Underground Wireless Communication in Coal Mine of claim 1 system, it is characterized in that: some femtocell base station chain, star-like or tree group network.
4. according to the described Underground Wireless Communication in Coal Mine of claim 1 system, it is characterized in that: described transmitting device comprises intrinsic safe explosion-proof switch, down hole annular structured optical fiber, aboveground key optical fiber and router, described femtocell base station connects the intrinsic safe explosion-proof switch, the intrinsic safe explosion-proof switch connects the down hole annular structured optical fiber, the down hole annular structured optical fiber connects aboveground key optical fiber, router is connected on the aboveground key optical fiber, and the femtocell IAD connects router.
5. according to the described Underground Wireless Communication in Coal Mine of claim 1 system, it is characterized in that: also comprise the intrinsic safety terminal that matches with the femtocell base station.
6. according to any described Underground Wireless Communication in Coal Mine system in the claim 1 to 5, it is characterized in that: described femtocell base station is intrinsic safety flame-proof type femtocell base station.
7. according to the described Underground Wireless Communication in Coal Mine of claim 1 system, it is characterized in that: the core net device comprises service application service device, authentication server or certificate server.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206183249U CN201846347U (en) | 2010-11-23 | 2010-11-23 | Coal mine underground wireless communication system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206183249U CN201846347U (en) | 2010-11-23 | 2010-11-23 | Coal mine underground wireless communication system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201846347U true CN201846347U (en) | 2011-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206183249U Expired - Fee Related CN201846347U (en) | 2010-11-23 | 2010-11-23 | Coal mine underground wireless communication system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102926809A (en) * | 2012-11-01 | 2013-02-13 | 四川天壹科技发展有限公司 | Geomagnetic precise positioning system with complete coverage of mine used in mine |
| CN103259871A (en) * | 2013-06-03 | 2013-08-21 | 王珂 | Communication dispatching management system for coal mines |
| CN105208687A (en) * | 2015-10-19 | 2015-12-30 | 重庆梅安森科技股份有限公司 | Wireless base station |
| CN113573258A (en) * | 2021-07-29 | 2021-10-29 | 江苏中安自动化科技有限公司 | Underground wireless communication system |
| CN114979942A (en) * | 2022-05-12 | 2022-08-30 | 煤炭科学技术研究院有限公司 | Mining mobile communication system and method |
-
2010
- 2010-11-23 CN CN2010206183249U patent/CN201846347U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102926809A (en) * | 2012-11-01 | 2013-02-13 | 四川天壹科技发展有限公司 | Geomagnetic precise positioning system with complete coverage of mine used in mine |
| CN102926809B (en) * | 2012-11-01 | 2016-02-10 | 四川天壹科技发展有限公司 | For the mine all standing earth magnetism Precise Position System of mine |
| CN103259871A (en) * | 2013-06-03 | 2013-08-21 | 王珂 | Communication dispatching management system for coal mines |
| CN105208687A (en) * | 2015-10-19 | 2015-12-30 | 重庆梅安森科技股份有限公司 | Wireless base station |
| CN113573258A (en) * | 2021-07-29 | 2021-10-29 | 江苏中安自动化科技有限公司 | Underground wireless communication system |
| CN114979942A (en) * | 2022-05-12 | 2022-08-30 | 煤炭科学技术研究院有限公司 | Mining mobile communication system and method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110525 Termination date: 20141123 |
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| EXPY | Termination of patent right or utility model |