CN203146004U - Intrinsic safety type mine underground personnel managing system - Google Patents

Intrinsic safety type mine underground personnel managing system Download PDF

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Publication number
CN203146004U
CN203146004U CN 201320178806 CN201320178806U CN203146004U CN 203146004 U CN203146004 U CN 203146004U CN 201320178806 CN201320178806 CN 201320178806 CN 201320178806 U CN201320178806 U CN 201320178806U CN 203146004 U CN203146004 U CN 203146004U
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China
Prior art keywords
bus
explosion
control chip
proof casing
data
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Expired - Fee Related
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CN 201320178806
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Chinese (zh)
Inventor
文新国
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Shaanxi Star Explosion Safety Polytron Technologies Inc
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Shanxi Star Coal Mine Safety Equipment Co Ltd
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Priority to CN 201320178806 priority Critical patent/CN203146004U/en
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Abstract

The utility model discloses an intrinsic safety type mine underground personnel managing system which is used for achieving information transmission between underground personnel and a ground master control machine. The system comprises a plurality of communication base stations, a plurality of identification cards and at least one handheld card detecting device. The base stations are in wireless communication with the identification cards, and the handheld card detecting device is in wireless communication with the identification cards. The underground personnel managing system is provided with the handheld card detecting device, in emergency rescue, the handheld card detecting device can be used for carrying out search and rescue of any range to an underground environment, communication reliability of the whole system can be ensured as far as possible, and the occurrence of search difficulty and the search leaking phenomenon can be avoided to the largest extent. In addition, all control chips in the system adopt high-performance processors, a CAN bus network structure is adopted by transmission of ground data and underground data, and therefore communication efficiency of the whole system can be improved, and managing functions of personnel attendance, real-time monitoring and controlling, locating tracking, daily management, remote command, dual-direction communication and the like can be simultaneously achieved.

Description

A kind of intrinsic safety type mine downhole personnel management system
Technical field
The utility model relates to mine personnel in the pit's equipment safety control.
Background technology
General mine personnel in the pit's equipment safety control mainly comprises transfer base station, communication data location and realizes the portable identification card that personnel in the pit's information is collected, carry out unidirectional or two-way communication by the wireless messages transmission manner between identification card and the base station, carry out unidirectional or two-way communication by wired mode between base station and the aboveground master control machine.Complete equipment realizes that mainly the personnel in the pit locatees the function of communicating by letter with emergency.Present stage, though occurred having diversified mine personnel in the pit's equipment safety control of difference in functionality advantage, but in down-hole, the mine management work of reality, still can desultory generation mine disaster, search and rescue untimely, search and rescue difficulty or leak the accident of rescuing, its cause of accident is except natural conditions, human factor, and is also main because existing mine downhole personnel management equipment is most because the reason that traffic rate is low, receiving sensitivity is weak.
Summary of the invention
The purpose of this utility model is to provide a kind of reliable communications and has emergent down-hole, mine personnel's management equipment of searching and rescuing function.With solve the traffic rate that existing mine downhole personnel management equipment exists low, accept the problem a little less than the sensitivity, reduce or avoid occurring in the mine disaster searching and rescuing difficulty and leaking the phenomenon of rescuing.
For this reason, his intrinsic safety type mine downhole personnel management system of providing of the utility model utilizes this system to realize that personnel in the pit and the information between aboveground master control machine transmits, and this system comprises:
Some communication base stations,
Several identification cards,
Carry out radio communication between described base station and identification card,
It is characterized in that:
Also comprise at least one hand-held inspection card device,
Carry out radio communication between described hand-held inspection card device and identification card.
Other technologies of the present utility model are characterized as:
Carry out radio communication between described hand-held inspection card device and communication base station.
Described communication base station comprises first explosion-proof casing, in this first explosion-proof casing first circuit board is installed, first control chip, first toggle switch, storage chip and CAN bus processing module are installed on this first circuit board, the two ends of this first circuit board are separately installed with first radio receiving transmitting module and second radio receiving transmitting module
The panel of described first explosion-proof casing is provided with a CAN bus data interface, the transmission of CAN bus data indicator lamp, the first radio receiving transmitting module relay indicating light and the second radio receiving transmitting module relay indicating light;
A described CAN bus data interface is connected with described CAN bus processing module;
Described first toggle switch, storage chip, CAN bus processing module, first radio receiving transmitting module, second radio receiving transmitting module, CAN bus data transmission indicator lamp, the first radio receiving transmitting module relay indicating light all are connected with first control chip with the second radio receiving transmitting module relay indicating light.
Described first control chip adopts the STM32F103RBT6 chip, and described first radio receiving transmitting module and described second radio receiving transmitting module all adopt NRF2401 wireless receiving and dispatching radio frequency chip.
Described some communication base stations series connection back is connected with CAN bus-RS232 data converting interface.
Described CAN bus-RS232 data converting interface comprises the 4th explosion-proof casing, the 4th circuit board is installed in the 4th explosion-proof casing, CAN transceiver, CAN controller, the 4th control chip, RS232 transceiver and second toggle switch are installed on described the 4th circuit board, and the panel of described the 4th explosion-proof casing is provided with the 2nd CAN bus data interface, RS232 data-interface, CAN bus collection datamation indicator lamp, CAN bus reception datamation indicator lamp and RS232 data-interface relay indicating light;
Described the 2nd CAN bus data interface is connected with described CAN transceiver, described RS232 data-interface is connected with described RS232 transceiver, described CAN transceiver, CAN controller, control chip, RS232 transceiver connect successively, described second toggle switch, CAN bus collection datamation indicator lamp, CAN bus receive the datamation indicator lamp, RS232 data-interface relay indicating light all is connected with the 4th control chip, and described the 4th control chip adopts the STM32CXT6 chip.
Described identification card comprises second explosion-proof casing, in this second explosion-proof casing second circuit board is installed, second control chip, first wireless transceiver and oscillator are installed on this second circuit board, the panel of described second explosion-proof casing is provided with digital display screen and call button, and described first wireless transceiver, oscillator, digital display screen and call button all are connected with second control chip.
Described second control chip adopts the MSP430F2122 single-chip microcomputer, and described first wireless transceiver adopts NRF24L01 wireless receiving and dispatching radio frequency chip.
Described hand-held inspection card device comprises the 3rd explosion-proof casing, tertiary circuit plate, dual-mode antenna and SD card reader are installed in the 3rd explosion-proof casing, the 3rd control chip and second wireless transceiver are installed on the described tertiary circuit plate, the panel of described the 3rd explosion-proof casing is provided with LCDs and control button, described dual-mode antenna is connected with described second wireless transceiver, and described SD card reader, second wireless transceiver, LCDs and control button all are connected with the 3rd control chip.
Described the 3rd control chip adopts the STM32F103VCT6 single-chip microcomputer, and described second wireless transceiver adopts NRF24L01 wireless receiving and dispatching radio frequency chip.
Hand-held inspection card device (the hand-held instrument of searching and rescuing) is equipped with in this mine downhole personnel management system, when emergency relief, can utilize hand-held inspection card device subsurface environment to be carried out the search and rescue of any range, guarantee the reliable communications of whole system as much as possible, at utmost avoid searching and rescuing difficulty and leak the generation of searching phenomenon.
In addition, each control chip in the system adopts high-performance processor, down-hole and aboveground transfer of data adopt CAN bus-network structure, and then can improve the communication efficiency of whole system, can realize personnel's work attendance, management functions such as monitoring, location tracking, daily management, remote command, both-way communication in real time simultaneously.
Description of drawings
Below in conjunction with accompanying drawing and the specific embodiment the technical solution of the utility model is further explained explanation.
Fig. 1 is a concrete structure schematic diagram of intrinsic safety type of the present utility model mine downhole personnel management system.
The specific embodiment
With reference to figure 1, the mine downhole personnel management system that the utility model provides, utilize this system to carry out communicating by letter between personnel in the pit and aboveground master control machine, realize the management of personnel in the pit's work, it comprises: some communication base stations, several identification cards, at least one hand-held inspection block device, wherein carry out two-way wireless communication between each base station and identification card, carry out radio communication between identification card and hand-held inspection card device.Communication base station is connected with ground monitoring main frame (master control machine) by the TCP/IP interface, identification card is worn on one's body the personnel in the pit, be used for personnel in the pit's identification, intrinsic safety type base station and identification card carry out wireless bidirectional communication, and with the data that collect handle the back upload to the ground central station monitoring host computer by transmission line.Hand-held inspection card device can carry out wireless telecommunications with identification card simultaneously, searches the underground work personnel.
Another function setting is, identification card and card reader are carried out radio communication, and identification card and card reader all can be carried out wireless telecommunications with the base station, the base station is handled the back with the data that collect and is uploaded to the ground central station monitoring host computer by transmission line, can enlarge the efficient communication scope of communication base station like this, guarantee the validity of communication.
The communication base station that uses in the management system of the present utility model can be with the CAN bus and carries out the transfer of data communication base station, and this communication base station has the function of personnel positioning, its structure comprises first explosion-proof casing, in this first explosion-proof casing first circuit board is installed, first control chip, first toggle switch, storage chip and CAN bus processing module are installed on this first circuit board, and the two ends of this first circuit board are separately installed with first radio receiving transmitting module and second radio receiving transmitting module; The panel of first explosion-proof casing is provided with a CAN bus data interface, the transmission of CAN bus data indicator lamp, the first radio receiving transmitting module relay indicating light and the second radio receiving transmitting module relay indicating light; On circuit connects, the one CAN bus data interface is connected with CAN bus processing module, and first toggle switch, storage chip, CAN bus processing module, first radio receiving transmitting module, second radio receiving transmitting module, CAN bus data transmission indicator lamp, the first radio receiving transmitting module relay indicating light all are connected with first control chip with the second radio receiving transmitting module relay indicating light.In shape, first explosion-proof casing is of a size of: long 105mm, wide 90mm, high 1.6mm.The communication distance of this communication base station be 50-80m, signal receiving sensitivity for-85dBm, traffic rate be 1Mbps.Correspondingly, on hardware was selected, first control chip can adopt the STM32F103RBT6 chip, and first radio receiving transmitting module and described second radio receiving transmitting module can all adopt NRF2401 wireless receiving and dispatching radio frequency chip.
It is the communications relay station from user-to-network and between from the network to user.Communication base station is gathered the data of down-hole identification card, and the data that recognize are uploaded.The radio wave frequency of communication base station is 2.4~2.524GHz, with the communication mode of ground main control system interface be the CAN bus.The base station after the internal control chip is handled, sends the data to identification card by the data of CAN network reception ground main control system.
The down-hole is furnished with many communication base stations, adopts cable to be connected between between base station and the aboveground master control machine and base station and the base station.When bringing into use equipment, at first set the address of each base station by first toggle switch, the base station in real time and a plurality of identification cards in down-hole and aboveground master control machine carry out two-way communication, the identification card in the effective coverage, down-hole is retrieved in the base station on the one hand, the information of each identification card is uploaded to aboveground master control machine by the CAN bus, and the base station sends to each identification card of down-hole with information such as the emergency escape of master control machine, broadcasting, scheduling on the other hand.And, this communication base station can position identification card, when first radio receiving transmitting module retrieves identification card information, first radio receiving transmitting module relay indicating light flicker on the case panel, the identification card that retrieves of signal carries personnel at the first radio receiving transmitting module place direction (as the left of base station or right-hand), in like manner, second radio receiving transmitting module also can retrieve the identification card of its place direction.Two indicator lamps can be set to left and right directions on panel, to show that intuitively the base station is accepted or the identification card of retrieval carries personnel place direction.
When transfer of data is carried out to aboveground master control machine in the base station, the flicker of CAN bus data transmission indicator lamp, schematic device is normal to aboveground communication.When communication terminal, storage chip can be stored the data that receive in the certain hour section.
When adopting above-mentioned communication base station, need between communication base station and ground master control machine link by CAN bus-RS232 data converting interface, being specially some communication base station series connection backs is connected with CAN bus-RS232 data converting interface, CAN bus-RS232 data converting interface connects with the master control chain again, the structure of this CAN bus-RS232 data converting interface is: include the 4th explosion-proof casing, the 4th circuit board is installed in the 4th explosion-proof casing, the CAN transceiver is installed on the 4th circuit board, the CAN controller, the 4th control chip, RS232 transceiver and be used for arranging second toggle switch of address, base station, the panel of the 4th explosion-proof casing is provided with the 2nd CAN bus data interface, the RS232 data-interface, the CAN bus is collected the datamation indicator lamp, the CAN bus receives datamation indicator lamp and RS232 data-interface relay indicating light; On circuit connects, the 2nd CAN bus data interface is connected with the CAN transceiver, CAN transceiver, CAN controller, control chip, RS232 transceiver connect successively, the RS232 data-interface is connected with the RS232 transceiver, second toggle switch, CAN bus collection datamation indicator lamp, CAN bus receive the datamation indicator lamp, RS232 data-interface relay indicating light all is connected with the 4th control chip, and control chip adopts the STM32CXT6 chip.In shape, the 4th explosion-proof casing is of a size of: long 105mm, wide 90mm, high 1.6mm.
Second toggle switch that connects in the circuit can adopt 8 to be toggle switch, and when base station number was set for " 00 ", base station number was one under the corresponding well, and maximum down-hole base station number is 64.Need correct power line and the signal bus of connecting when using this data converting interface.The supply voltage scope needs during connection " CAN-L " correspondence in the whole network is connected between " 9~24V ", and " CAN-H " correspondence links together.The RS232 interface is connected with computer (master control machine).
During operate as normal, CAN bus on the panel is collected datamation indicator lamp flicker expression data-interface in the data of collecting the base station, down-hole, when receiving the data of returning the base station, the CAN bus receives datamation indicator lamp flicker when base station return data amount is big (if, long bright).When the data of collecting when the RS232 data-interface reach a certain amount of, the flicker of RS232 data-interface relay indicating light.
Employed identification card can be the identification card of following structure in the personnel management system of the present utility model: it comprises second explosion-proof casing, in this second explosion-proof casing second circuit board is installed, second control chip, first wireless transceiver and oscillator are installed on this second circuit board, the panel of second explosion-proof casing is provided with digital display screen and call button, on circuit connected, first wireless transceiver, oscillator, digital display screen and call button all were connected with second control chip.On external form, second explosion-proof casing is of a size of: long 56mm, wide 27mm, high 0.8mm.The communication distance of this identification card be 50-80m, receiving sensitivity for-85dBm, traffic rate be 1Mbps, correspondingly, on hardware was selected, second control chip can adopt the MSP430F2122 chip, and first wireless transceiver can adopt NRF24L01 wireless receiving and dispatching radio frequency chip.
When the personnel in the pit need be with aboveground communicating, by pressing call button to aboveground base station emission calling for help information, and identification card receive after successfully reporting to the police behind the base station feedback signal digital display screen flicker once, the oscillator vibrations; If digital display screen flicker is once, oscillator do not shake, show and send alarm signal but do not receive feedback signal, need again button to guarantee to report to the police successfully.
When meeting different situations, the early warning information of corresponding contents is sent to identification card in the base station, and after identification card received information, digital display screen showed corresponding data signal:
Emergency escape: show numeral " 1 " and flicker, oscillator vibrations.
Broadcast ﹠ call: show numeral " 2 " and flicker, oscillator vibrations.
The individual calls out: identification card shows also flicker of numeral " 3 ", oscillator vibrations.
The personnel in the pit can predict Content of Communication like this, thereby realizes that by digital communication purpose aboveground and the down-hole dialogue realizes effective management of underground work.
In the personnel management system of the present utility model the structure of employed hand-held inspection card device can for: include the 3rd explosion-proof casing, tertiary circuit plate, dual-mode antenna and SD card reader are installed in the 3rd explosion-proof casing, the 3rd control chip and second wireless transceiver are installed on the tertiary circuit plate, the panel of the 3rd explosion-proof casing is provided with LCDs and control button, on circuit connects, dual-mode antenna is connected with second wireless transceiver, and SD card reader, second wireless transceiver, LCDs and control button all are connected with the 3rd control chip.On external form, the 3rd explosion-proof casing is of a size of: long 100mm, wide 52mm, high 1.2mm.The communication distance of this inspection card device be 50m-80m, signal receiving sensitivity for-85dBm, traffic rate be 1Mbps, correspondingly, on hardware was selected, the 3rd control chip can adopt the STM32F103VCT6 single-chip microcomputer, and wireless transceiver can adopt the NRF24L01 wireless transceiver.
When using this inspection card device, the information that will have the underground work personnel earlier is stored in the SD card, and this SD card is inserted inspection block in the device, when meeting emergency, as searching and rescuing on a large scale or equipment base station communication when interrupting, adopt this inspection card device that identification card is searched for, carry out the signal transmission by the mode of radio communication between inspection card device and the identification card, when retrieving identification card, to show all the identification card information in the effective range on the display screen of inspection card device, and calling identification card: comprise single calling, urgent call, broadcast ﹠ call.Simultaneously, this inspection card device can carry out both-way communication with identification card, receives the wireless signal from identification card, and the following related administrative information of issuing identification card that passes is carried out the signal transmission by control machine in base station and the ground in the process.In addition, this inspection card device also can be used as well head uniqueness designation equipment, and the personnel that carry out the down-hole and information, the time that goes out the well personnel are carried out typing.In addition, this inspection card device manages the card number of a plurality of identification cards of matching, namely can be used for revising the identification card card number that matches: revise and formulate the identification card card number; Sleep identification card: identification card is configured to deep sleep mode, to reduce energy content of battery consumption; Sleep blocks in batches: all cards in the signal effective range all are set to deep sleep mode; Mass distributed card number: be used for the first identification card that uses, the unified distribution card number.
Adopt the intrinsic safety type personnel management system of above-mentioned identification card, communication base station, CAN bus-RS232 data converting interface and hand-held inspection card device, identification card quantity should be not less than 8000, and each identification card is worn on one's body the personnel in the pit, is used for personnel in the pit's identification; Many communication base stations are arranged in the down-hole, and CAN bus-RS232 data converting interface is positioned at ground and connects with the master control chain, and on it arrester is installed.The intrinsic safety type communication base station is connected with the master control machine by CAN bus-RS232 data converting interface, and the mine explosion-suppression and intrinsic safety D.C. regulated power supply provides intrinsically safe power supply for the intrinsic safety type communication base station.Communication base station and identification card or card reader are carried out wireless bidirectional communication, and with the data that collect handle the back upload to the ground central station monitoring host computer by transmission line.

Claims (10)

1. intrinsic safety type mine downhole personnel management system utilizes this system to realize communicating by letter between personnel in the pit and aboveground master control machine, and this system comprises:
Some communication base stations,
Several identification cards,
Carry out radio communication between described base station and identification card,
It is characterized in that:
Also comprise at least one hand-held inspection card device,
Carry out radio communication between described hand-held inspection card device and identification card.
2. intrinsic safety type as claimed in claim 1 mine downhole personnel management system is characterized in that, carries out radio communication between described hand-held inspection card device and communication base station.
3. intrinsic safety type as claimed in claim 1 or 2 mine downhole personnel management system, it is characterized in that, described communication base station comprises first explosion-proof casing, in this first explosion-proof casing first circuit board is installed, first control chip, first toggle switch, storage chip and CAN bus processing module are installed on this first circuit board, the two ends of this first circuit board are separately installed with first radio receiving transmitting module and second radio receiving transmitting module
The panel of described first explosion-proof casing is provided with a CAN bus data interface, the transmission of CAN bus data indicator lamp, the first radio receiving transmitting module relay indicating light and the second radio receiving transmitting module relay indicating light;
A described CAN bus data interface is connected with described CAN bus processing module;
Described first toggle switch, storage chip, CAN bus processing module, first radio receiving transmitting module, second radio receiving transmitting module, CAN bus data transmission indicator lamp, the first radio receiving transmitting module relay indicating light all are connected with first control chip with the second radio receiving transmitting module relay indicating light.
4. intrinsic safety type as claimed in claim 3 mine downhole personnel management system, it is characterized in that, described first control chip adopts the STM32F103RBT6 chip, and described first radio receiving transmitting module and described second radio receiving transmitting module all adopt NRF2401 wireless receiving and dispatching radio frequency chip.
5. as claim 3 or 4 described intrinsic safety type mine downhole personnel management systems, it is characterized in that described some communication base stations series connection back is connected with CAN bus-RS232 data converting interface.
6. intrinsic safety type as claimed in claim 5 mine downhole personnel management system, it is characterized in that, described CAN bus-RS232 data converting interface comprises the 4th explosion-proof casing, the 4th circuit board is installed in the 4th explosion-proof casing, on described the 4th circuit board CAN transceiver is installed, the CAN controller, the 4th control chip, RS232 transceiver and second toggle switch, the panel of described the 4th explosion-proof casing are provided with the 2nd CAN bus data interface, the RS232 data-interface, the CAN bus is collected the datamation indicator lamp, the CAN bus receives datamation indicator lamp and RS232 data-interface relay indicating light;
Described the 2nd CAN bus data interface is connected with described CAN transceiver, described RS232 data-interface is connected with described RS232 transceiver, described CAN transceiver, CAN controller, control chip, RS232 transceiver connect successively, described second toggle switch, CAN bus collection datamation indicator lamp, CAN bus receive the datamation indicator lamp, RS232 data-interface relay indicating light all is connected with the 4th control chip, and described the 4th control chip adopts the STM32CXT6 chip.
7. intrinsic safety type as claimed in claim 1 or 2 mine downhole personnel management system, it is characterized in that, described identification card comprises second explosion-proof casing, in this second explosion-proof casing second circuit board is installed, second control chip, first wireless transceiver and oscillator are installed on this second circuit board, the panel of described second explosion-proof casing is provided with digital display screen and call button, and described first wireless transceiver, oscillator, digital display screen and call button all are connected with second control chip.
8. intrinsic safety type as claimed in claim 7 mine downhole personnel management system is characterized in that, described second control chip adopts the MSP430F2122 single-chip microcomputer, and described first wireless transceiver adopts NRF24L01 wireless receiving and dispatching radio frequency chip.
9. intrinsic safety type as claimed in claim 1 or 2 mine downhole personnel management system, it is characterized in that, described hand-held inspection card device comprises the 3rd explosion-proof casing, the tertiary circuit plate is installed in the 3rd explosion-proof casing, dual-mode antenna and SD card reader, the 3rd control chip and second wireless transceiver are installed on the described tertiary circuit plate, the panel of described the 3rd explosion-proof casing is provided with LCDs and control button, described dual-mode antenna is connected with described second wireless transceiver, described SD card reader, second wireless transceiver, LCDs all is connected with the 3rd control chip with control button.
10. intrinsic safety type as claimed in claim 9 mine downhole personnel management system is characterized in that, described the 3rd control chip adopts the STM32F103VCT6 single-chip microcomputer, and described second wireless transceiver adopts NRF24L01 wireless receiving and dispatching radio frequency chip.
CN 201320178806 2013-04-10 2013-04-10 Intrinsic safety type mine underground personnel managing system Expired - Fee Related CN203146004U (en)

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Application Number Priority Date Filing Date Title
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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103758572A (en) * 2013-12-13 2014-04-30 常州联力自动化科技有限公司 Mining personnel security management system
CN103821564A (en) * 2014-02-27 2014-05-28 中煤矿山建设集团有限责任公司 Personnel positioning and wireless voice communication multifunctional system for mine
CN104179530A (en) * 2014-08-28 2014-12-03 邯郸市同达矿用电器有限公司 Coal mine underground equipment wireless location management system
CN104847411A (en) * 2015-05-19 2015-08-19 山东中煤电器有限公司 Safety power supply and communication device for coal mine hydraulic bracket
CN105134296A (en) * 2015-09-18 2015-12-09 煤炭科学技术研究院有限公司 Digital mine safety monitoring system
CN105957382A (en) * 2016-05-18 2016-09-21 北京永安信通科技有限公司 Vehicle positioning system and underground vehicle positioning method
CN105952494A (en) * 2016-05-12 2016-09-21 锦州辽工维森光电技术有限公司 Underground working personnel emergency rescue guiding system and guiding method
CN110996311A (en) * 2019-12-30 2020-04-10 镇江中煤电子有限公司 Low-power-consumption mine personnel positioning identification card and positioning identification method

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103758572A (en) * 2013-12-13 2014-04-30 常州联力自动化科技有限公司 Mining personnel security management system
CN103821564A (en) * 2014-02-27 2014-05-28 中煤矿山建设集团有限责任公司 Personnel positioning and wireless voice communication multifunctional system for mine
CN103821564B (en) * 2014-02-27 2016-04-27 中煤矿山建设集团有限责任公司 A kind of mine personnel positioning and wireless voice communication multifunction system
CN104179530B (en) * 2014-08-28 2016-03-30 邯郸市同达矿用电器有限公司 Colliery downhole equipment wireless location management system
CN104179530A (en) * 2014-08-28 2014-12-03 邯郸市同达矿用电器有限公司 Coal mine underground equipment wireless location management system
CN104847411A (en) * 2015-05-19 2015-08-19 山东中煤电器有限公司 Safety power supply and communication device for coal mine hydraulic bracket
CN105134296A (en) * 2015-09-18 2015-12-09 煤炭科学技术研究院有限公司 Digital mine safety monitoring system
CN105134296B (en) * 2015-09-18 2017-05-24 煤炭科学技术研究院有限公司 Digital mine safety monitoring system
CN105952494A (en) * 2016-05-12 2016-09-21 锦州辽工维森光电技术有限公司 Underground working personnel emergency rescue guiding system and guiding method
CN105952494B (en) * 2016-05-12 2018-10-19 锦州辽工维森光电技术有限公司 Underground operators emergency management and rescue bootstrap technique
CN105957382A (en) * 2016-05-18 2016-09-21 北京永安信通科技有限公司 Vehicle positioning system and underground vehicle positioning method
CN110996311A (en) * 2019-12-30 2020-04-10 镇江中煤电子有限公司 Low-power-consumption mine personnel positioning identification card and positioning identification method
CN110996311B (en) * 2019-12-30 2024-02-02 镇江中煤电子有限公司 Low-power-consumption mine personnel positioning identification card and positioning identification method

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