Downhole personnel management system for coal mine
The invention relates to a downhole personnel management system for a coal mine. The system comprises ground equipment, downhole equipment and a plurality of identification cards worn by downhole miners. The ground equipment is connected with the downhole equipment via cables and comprises an aboveg...
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| creator | SONG FUQUN |
| description | The invention relates to a downhole personnel management system for a coal mine. The system comprises ground equipment, downhole equipment and a plurality of identification cards worn by downhole miners. The ground equipment is connected with the downhole equipment via cables and comprises an aboveground mining lightning arrester, the aboveground mining lightning arrester is connected with a safety fence, and the safety fence is connected with a computer via a transmitting interface. The downhole equipment comprises a downhole mining lightning arrester and at least one mining substation connected with the downhole mining lightning arrester. Each identification card is provided with a central processing unit, a low-frequency signal receiving module, a low-frequency signal transmitting module, a high-frequency signal receiving module and a high-frequency signal transmitting module. The mining substation comprises a central processing unit, a storage module, a low-frequency signal receiving module, a low-frequen |
| format | Patent |
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The ground equipment is connected with the downhole equipment via cables and comprises an aboveground mining lightning arrester, the aboveground mining lightning arrester is connected with a safety fence, and the safety fence is connected with a computer via a transmitting interface. The downhole equipment comprises a downhole mining lightning arrester and at least one mining substation connected with the downhole mining lightning arrester. Each identification card is provided with a central processing unit, a low-frequency signal receiving module, a low-frequency signal transmitting module, a high-frequency signal receiving module and a high-frequency signal transmitting module. 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| language | chi ; eng |
| recordid | cdi_epo_espacenet_CN101751702A |
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| subjects | ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDEDFOR ELSEWHERE CALCULATING CHECKING-DEVICES COMPUTING COUNTING GENERATING RANDOM NUMBERS HANDLING RECORD CARRIERS PHYSICS PRESENTATION OF DATA RECOGNITION OF DATA RECORD CARRIERS REGISTERING OR INDICATING THE WORKING OF MACHINES TIME OR ATTENDANCE REGISTERS VOTING OR LOTTERY APPARATUS |
| title | Downhole personnel management system for coal mine |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-01-04T07%3A00%3A44IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-epo_EVB&rft_val_fmt=info:ofi/fmt:kev:mtx:patent&rft.genre=patent&rft.au=SONG%20FUQUN&rft.date=2010-06-23&rft_id=info:doi/&rft_dat=%3Cepo_EVB%3ECN101751702A%3C/epo_EVB%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_id=info:pmid/&rfr_iscdi=true |