CN101922310B - Security monitoring and managing system of coal mine underground operators - Google Patents

Security monitoring and managing system of coal mine underground operators Download PDF

Info

Publication number
CN101922310B
CN101922310B CN 201010202465 CN201010202465A CN101922310B CN 101922310 B CN101922310 B CN 101922310B CN 201010202465 CN201010202465 CN 201010202465 CN 201010202465 A CN201010202465 A CN 201010202465A CN 101922310 B CN101922310 B CN 101922310B
Authority
CN
China
Prior art keywords
zigbee
coal mine
security monitoring
gateway
network
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 201010202465
Other languages
Chinese (zh)
Other versions
CN101922310A (en
Inventor
郭宏
陈岩
王莉莎
何堃
宁建辉
Original Assignee
BEIJING NOKISENS ELECTRONIC TECHNOLOGY DEVELOPMENT Co Ltd
BEIJING NOKISENS SAC Co Ltd
WEIHAI NOKISENS SAC CO Ltd
SUZHOU ZHONGYIN SENSING Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BEIJING NOKISENS ELECTRONIC TECHNOLOGY DEVELOPMENT Co Ltd, BEIJING NOKISENS SAC Co Ltd, WEIHAI NOKISENS SAC CO Ltd, SUZHOU ZHONGYIN SENSING Co Ltd filed Critical BEIJING NOKISENS ELECTRONIC TECHNOLOGY DEVELOPMENT Co Ltd
Priority to CN 201010202465 priority Critical patent/CN101922310B/en
Publication of CN101922310A publication Critical patent/CN101922310A/en
Application granted granted Critical
Publication of CN101922310B publication Critical patent/CN101922310B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The invention discloses a security monitoring and managing system of coal mine underground operators, comprising a ground safety monitoring and information managing network, an underground ZigBee wireless sensor network and a CAN network, wherein, the ZigBee wireless sensor network comprises a ZigBee-CAN gateway, a fixed node and a mobile terminal carried by a coal mine underground operator; the fixed node transmits the data transmitted by the mobile terminal and the data acquired by the fixed node to the ZigBee-CAN gateway through the ZigBee-CAN gateway; the ZigBee-CAN gateway forwards the data to the safety monitoring and information managing network through the CAN network; the safety monitoring and information managing network collects and analyzes the data forwarded by the coal mine underground to obtain the information needs to be issued to the underground; the CAN network transmits the issued information to the ZigBee-CAN gateway and then the ZigBee-CAN gateway transmits the issued information to a designated fixed node through the ZigBee; and the fixed node transmits the issued information to the mobile terminal. The system of the invention ensures the safety of operators, reduces accident occurrence, and simultaneously has the advantages of low cost, small volume, low power consumption, safety and reliability and the like.

Description

A kind of security monitoring of coal mine underground operators and management system
Technical field:
The present invention relates to coal mine downhole safety detection technique field, particularly a kind of for coal mine underground operators location, real-time security monitoring and management system.
Background technology:
Along with the develop rapidly of sensor technology, embedded computing technique, the communication technology and semiconductor and MEMS manufacturing technology, the microsensor with perception, calculating storage and communication capacity begins to occur in military, industry, agricultural and aerospace every field.Wireless network sensor is to integrate sensor and actor, controller and communicator; Integrate the sensing embedded device limited with the resource (calculating, storage and the energy) that drives control ability, computing capability, communication capacity.The wireless sensor network that is made of these microsensors can Real-Time Monitoring, the various monitoring target information in perception and collection network distributed areas, and these information are processed, and sends the user who needs these information to.Sensor network has broad application prospects in fields such as military surveillance, environmental information, detection, agricultural production, medical treatment ﹠ health monitoring, building and household, industrial production control and business.
At present, the method that the China's coal-mine underground safety monitoring system adopts monitoring of tools and manual monitoring to combine mostly, this type of safety monitoring system is having very large weak point aspect system cost, reliability and personal security.At first, because needs are built line transmission system, therefore limited to a great extent the expansion of network size based on the safety monitoring system of cable network.Along with constantly pushing ahead of production face, production program changes with the distribution situation of underground coal, do not catch up with the actual requirement of exploitation based on the expansion of the safety monitoring system of cable network, make data reliability and the real-time of network can not be guaranteed, the detection data that are difficult to guarantee important secure data, control data and downhole gauges are transmitted timely.This just becomes coal mine safety monitoring system employing cable network is the maximum not enough of transmission medium.Secondly, manual supervisory scheme is practical experience the predicting dangerous situation that relies on the professional to enrich.Due to such professional's limited amount, consider simultaneously the supervisor to the randomness that regional checks, cause covering the down-hole All Ranges.And gas can reduce oxygen content when content is high in air, causes and suffocates, and in person arrives information gathering point and gathers coal mine gas information, also has collector's personal safety problem.
Summary of the invention:
The present invention seeks to be, be used for making up the deficiencies in the prior art, and provide a kind of employing network communication of wireless sensor mode, the data such as the temperature under Real-Time Monitoring, transmission and processing coal mine, humidity, gas density are carried out early warning and security monitoring support and the data such as subsurface environment parameter and underground operators information are carried out security monitoring and the management system of the coal mine underground operators of demonstration in real time on electronic maps the gas accident that occurs.
To achieve these goals, technical scheme of the present invention is as follows:
a kind of security monitoring of coal mine underground operators and management system, it is characterized in that, comprise security monitoring and Information management networks on coal mine, ZigBee wireless sensor network under coal mine, the CAN network that connects down-hole on coal mine, the ZigBee wireless sensor network comprises the ZigBee-CAN gateway, the mobile terminal that the stationary nodes of coal mine roadway and coal mine underground operators are carried, stationary nodes is sent to the ZigBee-CAN gateway with the data of mobile terminal transmission and the data that self gather by ZigBee, the ZigBee-CAN gateway arrives security monitoring and Information management networks with these data by the CAN forwarded, security monitoring and Information management networks are collected the data that forward under coal mine, analyze and draw at last releasing news of will issuing to the down-hole, release news by CAN network destined ZigBee-CAN gateway, the ZigBee-CAN gateway will release news and mail to the stationary nodes of appointment by ZigBee, stationary nodes will release news and mail to mobile terminal.
The security monitoring of aforesaid a kind of coal mine underground operators and management system, wherein, described mobile terminal comprises location and management devices under a coal mine, under described coal mine, the location comprises power amplification circuit with management devices, one can realize the ZigBee transceiver of communicating by letter between mobile terminal and stationary nodes, can calculate the microprocessor of colliery underground moving terminal and stationary nodes distance and can show indication and the warning message of security monitoring and the Information management networks issue on ground based on the location algorithm of RSSI;
The I/O end of described power amplification circuit connects the I/O end of ZigBee transceiver, the I/O end of described ZigBee transceiver connects the first I/O end of microprocessor, described microprocessor the second I/O end is connected with the I/O end of demonstration and alarm unit, the I/O end of the 3rd I/O end connection data memory cell of described demonstration and the described microprocessor of alarm unit, an input of described microprocessor connect respectively the output of identification unit and the output of positioning unit.Described microprocessor is 32 ARM microprocessors.
The security monitoring of aforesaid a kind of coal mine underground operators and management system, wherein, demonstration and alarm unit are provided with graphical LCD display module and buzzer.
The security monitoring of aforesaid a kind of coal mine underground operators and management system wherein, a plurality of users' of data storage cell storage identity information, record operating personnel's trace, the releasing news of temporary security monitoring and Information management networks.
The security monitoring of aforesaid a kind of coal mine underground operators and management system, wherein, data storage cell uses jumbo SD card.
The security monitoring of aforesaid a kind of coal mine underground operators and management system, wherein, the identification unit is equipped with the RFID card reader.
The security monitoring of described coal mine underground operators and management system wherein, are equipped with sensor in 32 ARM microprocessors, and sensor is at least a in fingerprint sensor, temperature pick up, humidity sensor, gas concentration sensor.
The present invention adopts wireless sensor network technology, is a kind of data-centered ad hoc deployed wireless networks, and the node in network is intensive, enormous amount and be deployed in very widely the zone; Network topology structure dynamic change, network have self-organizing and Characteristics of Self-adjusting; And recording the trace of underground operators, safety monitoring center reports the operating personnel's information of carrying out earthward, receives and show the information of safety monitoring center issue; In addition, also can provide navigation information to the user; When the personnel in the pit carried out operation, the safety monitoring center on ground may need it is indicated, or warned to its issue when dangerous situation occurring, and these indications or warning message all need to show the user by location and management devices.The personal safety that it has guaranteed the operating personnel has reduced the accident generation, and the colleague has the special advantages such as cost is low, volume is little, low in energy consumption, safe and reliable.
Description of drawings:
Further illustrate the present invention below in conjunction with the drawings and specific embodiments.
Fig. 1 is coal mine downhole safety monitoring system network structure of the present invention;
Fig. 2 is security monitoring and the management system functional block diagram of underground operators of the present invention;
Fig. 3 is ZigBee transceiver CC2480 of the present invention and microprocessor connection diagram;
Fig. 4 is radio-frequency enabled amplifier CC2591 functional schematic of the present invention;
Fig. 5 is rf power amplifier circuit of the present invention;
Fig. 6 is the connection diagram of LCD display module of the present invention and microprocessor;
Fig. 7 is the connection diagram of SD card of the present invention and microprocessor;
Fig. 8 is PMU circuit diagram of the present invention.
For technological means, creation characteristic that the present invention is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the present invention.
Referring to a kind of coal mine downhole safety monitoring system shown in accompanying drawing 1, comprise security monitoring on coal mine be connected with Information management networks ZigBee wireless sensor network under coal mine, connect the CAN network of down-hole on coal mine, the ZigBee wireless sensor network comprises the stationary nodes (comprising ZigBee router/node and ZigBee node) of ZigBee-CAN gateway, coal mine roadway and the mobile terminal that coal mine underground operators is carried.
be provided with security monitoring and the management system of a coal mine underground operators in mobile terminal, the security monitoring of coal mine underground operators and management system are the piths of coal mine downhole safety monitoring system, it is the source of underground operators information data, it is also the receiving terminal that security monitoring on coal mine and Information management networks release news to the operating personnel, it is mainly by the ARM microprocessor STM32F103 of 32, the ZigBee transceiver CC2480 of protocol stack in integration slice, rf power amplifier circuit, show and alarm unit, the identification unit, positioning unit, data storage cell and PMU form.
the data that ZigBee router/node and ZigBee node send the security monitoring of coal mine underground operators and management system and the data that self gather are sent to the ZigBee-CAN gateway by ZigBee, the ZigBee-CAN gateway arrives security monitoring and Information management networks with these data by the CAN forwarded, security monitoring and the Information management networks the data Internet network issue relevant information to forwarding under coal mine, security monitoring and Information management networks are collected the various data of down-hole, analyze, and successively the downhole safety situation is judged, to tackle at last decision-making and early warning information makes to the down-hole and releasing news, release news by CAN network destined ZigBee-CAN gateway, the ZigBee-CAN gateway will release news and mail to ZigBee router/node and the ZigBee node of appointment by ZigBee, ZigBee router/the node of appointment and ZigBee node radio communication are to security monitoring and the management system of coal mine underground operators.
Shown in accompanying drawing 2, because the colliery subsurface environment is abominable, electromagnetic environment is complicated, can have influence on the transmission quality of wireless signal, and when certain ZigBe router/node exits network because of some reason such as power shortage or mine explosion etc., need ZigBe router/node that other ZigBe router/node can replace exitting network to carry out its function in network, therefore security monitoring and the management system of coal mine underground operators increase its radio frequency power output with regard to the required power amplifying circuit, increase network coverage.Adopt the CC2591 radio frequency front end chip as power amplifier in the present embodiment, the built-in function block diagram of power amplification circuit as shown in Figure 4, the I/O end that connects the ZigBee transceiver at the I/O end of power amplification circuit, the ZigBee transceiver can be realized the security monitoring of coal mine underground operators and management system and ZigBe router/node, the internodal radio communication of ZigBe, the temperature of down-hole personnel position, down-hole, the humidity of down-hole, the gas density information exchange of down-hole can be crossed ZigBee transceiver radio communication to ZigBe router/node; This ZigBe router/node is sent to the ZigBee-CAN gateway with the data of above-mentioned information and self collection by ZigBee, the ZigBee-CAN gateway arrives security monitoring and Information management networks with these data by wired fieldbus (CAN) forwarded, security monitoring and Information management networks advanced analysis, issued in case of necessity navigation information.
Issue warning message when dangerous situation occurring, all these information exchanges are crossed CAN network destined ZigBee-CAN gateway, and the ZigBee-CAN gateway is crossed this information exchange ZigBee router/node and the ZigBee node that ZigBee mails to appointment again.
Referring to Fig. 3, the communication between the ZigBee-network under personnel in the pit location and management devices and coal mine is connected adopts the ZigBee transceiver CC2480 of integrated protocol stack to complete.CC2480 only needs peripheral components seldom, and this device integrated global function Zigbee protocol stack, thereby reduce the development time and simplified the ZigBee function.CC2480 can communicate by letter with various MCU by SPI or UART interface, and its typical application circuit as shown in Figure 3.Z-stack software ZigBee-2006 protocol stack can move on the ZigBee processor, and application program is the externally upper operation of MCU.CC2480 can process all sequential key types and process intensive Zigbee protocol task, and the space that will use the resource occupation of MCU discharges be used to the requirement of satisfying other programs.
The I/O end of above-mentioned ZigBee transceiver connects the first I/O end of 32 ARM microprocessors, 32 ARM microprocessors can calculate the distance of the security monitoring of coal mine underground operators and management system and ZigBee router/node, ZigBee node based on the location algorithm of RSSI, thereby carry out self poisoning, record the trace of coal mine underground operators, report operating personnel's information to security monitoring and Information management networks, can accept and show simultaneously the information of security monitoring and Information management networks issue.
Simultaneously, because needing certain data, process and operational capability by 32 ARM microprocessors, so it has adopted high performance 32 ARM microprocessor STM32F103 as its core.
In 32 ARM microprocessors, sensor is housed, sensor is at least a in fingerprint sensor, temperature pick up, humidity sensor, gas concentration sensor.When some output of sensor exceeded desired indicator, alarm unit will be reported to the police to security monitoring and Information management networks by radio communication network, simultaneously the display unit output alarm signal.32 ARM microprocessor the second I/O ends connect and show and alarm unit I/O end, demonstration and alarm unit can show indication and the warning message of security monitoring and Information management networks issue, by high-brightness light emitting diode and buzzer, the user are carried out hint and caveat.
As shown in Figure 6, when the personnel in the pit carries out operation, the safety monitoring center on ground may need it is indicated, or warns to its issue when dangerous situation occurring, and these indications or warning message all need to show navigation and indication information by graphical LCD display module to the user.
As shown in Figure 7, the 3rd I/O end of 32 the ARM microprocessors I/O end of connection data memory cell also.This data storage cell can be stored the information of a plurality of users' identity information, the trace that records the operating personnel, the issue of temporary ground security monitoring bus, can adopt jumbo SD card as its data storage cell.
in addition, one input of 32 ARM microprocessors connects respectively the output of identification unit and the output of positioning unit, the identification unit uses the mode of RFID or fingerprint recognition to carry out identification and management to coal mine down-hole personnel, each identification unit outfit RFID card reader, each user wears with oneself rfid card, the RFID card reader is assert user's identity by the information that reads in rfid card, also can use fingerprint recognition in addition, under the assistance of the security monitoring computer on ground, computer by the fingerprint sensor reading operation personnel in the identification unit fingerprint and identify, these identity informations are uploaded to security monitoring and Information management networks on coal mine.
It is worth mentioning that, the security monitoring of underground operators and management system must be used powered battery as a kind of portable device, in order to reduce costs and to extend its continuous working period, adopt jumbo chargeable lithium cell as its power supply here.In the present embodiment, PMU comprises battery, battery charger and power supply voltage converting circuit.Wherein, what lithium battery charging circuit adopted is the MAX745 chip, and what power supply voltage converting circuit adopted is the LM2675 chip, and its circuit as shown in Figure 8.
The present invention is based on Real-Time Monitoring, transmission and the processing that the wireless coal mine underground operators security monitoring of ZigBee technology and management system are mainly used in the data such as temperature, humidity, gas density under coal mine; The gas accident that occurs is carried out early warning and security monitoring support; The data such as subsurface environment parameter and underground operators information are shown on electronic map in real time; Allow media and public's remote access and inquiry for information about.
Above demonstration and described basic principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; that describes in above-described embodiment and manual just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.

Claims (6)

1. the security monitoring of a coal mine underground operators and management system, it is characterized in that, comprise security monitoring and Information management networks on coal mine, ZigBee wireless sensor network under coal mine, the CAN network that connects down-hole on coal mine, described ZigBee wireless sensor network comprises the ZigBee-CAN gateway, be arranged on the stationary nodes of coal mine roadway and the mobile terminal that coal mine underground operators is carried, described stationary nodes is sent to the ZigBee-CAN gateway with the data of mobile terminal transmission and the data that self gather by ZigBee, described ZigBee-CAN gateway arrives security monitoring and Information management networks with these data by the CAN forwarded, described security monitoring and Information management networks are collected the data that forward under coal mine, analyze and draw at last releasing news by CAN network destined ZigBee-CAN gateway of will issuing to the down-hole, described ZigBee-CAN gateway will release news and mail to the described stationary nodes of appointment by ZigBee, described stationary nodes will release news and send to mobile terminal, described mobile terminal comprises location and management devices under a coal mine, under described coal mine, the location comprises power amplification circuit with management devices, one can realize the ZigBee transceiver of communicating by letter between mobile terminal and stationary nodes, location algorithm based on RSSI can calculate the microprocessor of colliery underground moving terminal and stationary nodes distance and can show the security monitoring on ground and indication and the warning message that Information management networks are issued,
The input/output terminal of described power amplification circuit connects the input/output terminal of ZigBee transceiver, the input/output terminal of described ZigBee transceiver connects the first input/output terminal of microprocessor, described microprocessor the second input/output terminal is connected with the input/output terminal of demonstration and alarm unit, the input/output terminal of the 3rd input/output terminal connection data memory cell of described microprocessor, an input of described microprocessor connect respectively the output of identification unit and the output of positioning unit.
2. the security monitoring of a kind of coal mine underground operators according to claim 1 and management system, is characterized in that, described microprocessor is 32 ARM microprocessors.
3. the security monitoring of a kind of coal mine underground operators according to claim 1 and management system, is characterized in that, described demonstration and alarm unit are provided with patterned LCD display module and buzzer.
4. the security monitoring of a kind of coal mine underground operators according to claim 3 and management system, is characterized in that, what described data storage cell adopted is jumbo SD card.
5. the security monitoring of a kind of coal mine underground operators according to claim 1 and management system, is characterized in that, described identification unit is equipped with the RFID card reader.
6. the security monitoring of a kind of coal mine underground operators according to claim 2 and management system, it is characterized in that, in described 32 ARM microprocessors, sensor is housed, described sensor is at least a in fingerprint sensor, temperature pick up, humidity sensor, gas concentration sensor.
CN 201010202465 2010-06-18 2010-06-18 Security monitoring and managing system of coal mine underground operators Expired - Fee Related CN101922310B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201010202465 CN101922310B (en) 2010-06-18 2010-06-18 Security monitoring and managing system of coal mine underground operators

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201010202465 CN101922310B (en) 2010-06-18 2010-06-18 Security monitoring and managing system of coal mine underground operators

Publications (2)

Publication Number Publication Date
CN101922310A CN101922310A (en) 2010-12-22
CN101922310B true CN101922310B (en) 2013-11-06

Family

ID=43337489

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201010202465 Expired - Fee Related CN101922310B (en) 2010-06-18 2010-06-18 Security monitoring and managing system of coal mine underground operators

Country Status (1)

Country Link
CN (1) CN101922310B (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102509061A (en) * 2011-11-09 2012-06-20 陕西科技大学 Radio frequency identification (RFID)-based miner positioning system
CN203445906U (en) * 2011-11-17 2014-02-19 晁顶 Mining wireless network communication system based on Internet of things technology
CN102606202A (en) * 2012-04-02 2012-07-25 刘爱国 Mine shaft navigation lifesaving system
CN102685212A (en) * 2012-04-09 2012-09-19 南京龙渊微电子科技有限公司 Internet of things based temperature and humidity monitoring system for mine and implementation method thereof
CN102644480A (en) * 2012-04-09 2012-08-22 南京龙渊微电子科技有限公司 RFID (Radio Frequency Identification Devices) and wireless sensing-based real-time positioning early warning system for mine
CN102768040A (en) * 2012-06-26 2012-11-07 武汉科技大学 Mine underground navigation device
CN103135535A (en) * 2013-01-31 2013-06-05 中国科学院自动化研究所 Mine material information management system
CN103217154B (en) * 2013-03-19 2015-07-22 华中科技大学 Method and device for locating underground personnel in coal mine
CN103228066A (en) * 2013-04-26 2013-07-31 南京邮电大学 Intelligent security system based on wireless sensor network
CN103590853B (en) * 2013-10-10 2016-09-14 安徽理工大学 Mine command system embedded terminal equipment
CN103648077A (en) * 2013-12-14 2014-03-19 山东中科纳米管材有限公司 Zigbee-based coal mine underground personnel positioning and information transmission system
CN103687002B (en) * 2013-12-18 2017-04-05 北京航天测控技术有限公司 A kind of self-adapting calibration method based on field intensity location technology
CN103744395A (en) * 2014-01-07 2014-04-23 唐山现代工控技术有限公司 Method and device for obtaining information of fire hazard site in building
CN104092990A (en) * 2014-07-11 2014-10-08 西京学院 Underground personnel monitoring system of mobile handheld terminal
CN104065751A (en) * 2014-07-13 2014-09-24 罗梓杰 Museum monitoring system based on ZigBee
CN105025572A (en) * 2015-07-01 2015-11-04 太原科技大学 Improved method for positioning underground staff based on RSSI range finding
MX2018000043A (en) * 2015-07-06 2018-08-15 Newtrax Holdings Inc System for transmitting data from an underground vehicle.
CN105759654A (en) * 2016-04-13 2016-07-13 四川银沙科技有限公司 Wearable intelligent interaction system
CN107729965A (en) * 2017-11-26 2018-02-23 枣庄矿业(集团)有限责任公司田陈煤矿 Using portable detector go into the well the system and method for personal management
CN108717604A (en) * 2018-05-21 2018-10-30 西安科技大学 A kind of production safety hidden danger closed loop management system
CN109858826A (en) * 2019-02-21 2019-06-07 中冶赛迪技术研究中心有限公司 A kind of gas operation intelligent and safe managing and control system and method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1694569A (en) * 2005-05-20 2005-11-09 中国科学院计算技术研究所 Downhole positioning system, device and method based on radio sensor network
CN1953408A (en) * 2006-11-15 2007-04-25 金澔 A method to realize real-time monitoring of the underground coal miners by ZigBee network
CN101240717A (en) * 2007-02-07 2008-08-13 中国科学院自动化研究所 Coal mine down-hole personnel positioning and mash gas concentration dynamic monitoring method and system
CN101505546A (en) * 2009-02-26 2009-08-12 清华大学 Mine environment probing and search and rescue emergency response system based on wireless sensor network
CN201732282U (en) * 2010-06-18 2011-02-02 昆山诺金传感技术有限公司 Safety monitoring and managing system of coal mine underground operation personnel

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1694569A (en) * 2005-05-20 2005-11-09 中国科学院计算技术研究所 Downhole positioning system, device and method based on radio sensor network
CN1953408A (en) * 2006-11-15 2007-04-25 金澔 A method to realize real-time monitoring of the underground coal miners by ZigBee network
CN101240717A (en) * 2007-02-07 2008-08-13 中国科学院自动化研究所 Coal mine down-hole personnel positioning and mash gas concentration dynamic monitoring method and system
CN101505546A (en) * 2009-02-26 2009-08-12 清华大学 Mine environment probing and search and rescue emergency response system based on wireless sensor network
CN201732282U (en) * 2010-06-18 2011-02-02 昆山诺金传感技术有限公司 Safety monitoring and managing system of coal mine underground operation personnel

Also Published As

Publication number Publication date
CN101922310A (en) 2010-12-22

Similar Documents

Publication Publication Date Title
CN101922310B (en) Security monitoring and managing system of coal mine underground operators
CN201732282U (en) Safety monitoring and managing system of coal mine underground operation personnel
CN201003413Y (en) Down-hole safe alarming and personnel management device for coal mine
CN102305643B (en) System for monitoring and supervising water quality on line in real time
CN101881183A (en) Underground monitoring network system based on ZigBee network nodes
CN201408358Y (en) Mine monitoring management device based on wireless sensor network
CN201730640U (en) Underground monitoring network system based on ZigBee network node
CN201955882U (en) Forest fire danger testing and warning device
CN204315055U (en) Based on the underground cable monitor and early warning system of Internet of Things
CN101545897A (en) Gas monitoring system based on ZigBee technology
CN206594783U (en) A kind of forest fire monitoring system based on wireless sense network
CN103247151A (en) Geological disaster monitoring system
CN201555837U (en) Air quality monitoring equipment based on sensor network
CN206820786U (en) A kind of geological environment monitoring system based on Internet of Things and cloud service
CN103321933A (en) Fan state online monitoring system and method based on advanced reduced instruction-set computer machine (ARM) and ZigBee
Zhu et al. Monitoring system for forest fire based on wireless sensor network
CN106023643A (en) Internet of things-based novel vehicle detection device
CN208580494U (en) A kind of low power-consumption intelligent gas meter, flow meter auxiliary device based on NB-IoT technology
CN202133421U (en) Monitoring system of poisonous and harmful gas in chemical zone
CN203053480U (en) Bridge safety monitoring and pre-warning system based on wireless sensor network
CN104266681A (en) Electric cable well state safety monitoring system based on Internet of Things and GIS
CN202578789U (en) RFID and wireless sensing-based mine real-time location prewarning system
CN103116327A (en) Long-distance agricultural data control system
CN202841536U (en) Zigbee-based all-wireless mine underground personnel precise positioning system
CN202582594U (en) Sensor system based on RFID technology

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C53 Correction of patent for invention or patent application
CB02 Change of applicant information

Address after: 215325, No. 308, Park Avenue, sensor industrial base, Zhouzhuang Town, Kunshan, Jiangsu

Applicant after: Suzhou Zhongyin Sensing Co., Ltd.

Applicant after: Weihai Nokisens SAC Co., Ltd.

Applicant after: Beijing Nokisens SAC Co., Ltd.

Applicant after: Beijing Nokisens Electronic Technology Development Co., Ltd.

Applicant after: Beijing DSY Electronic Technology Development Co., Ltd.

Address before: 215325, No. 308, Park Avenue, sensor industrial base, Zhouzhuang Town, Kunshan, Jiangsu

Applicant before: Kunshan Nokisens SAC Co., Ltd.

Applicant before: Weihai Nokisens SAC Co., Ltd.

Applicant before: Beijing Nokisens SAC Co., Ltd.

Applicant before: Beijing Nokisens Electronic Technology Development Co., Ltd.

Applicant before: Beijing DSY Electronic Technology Development Co., Ltd.

COR Change of bibliographic data

Free format text: CORRECT: APPLICANT; FROM: BEIJING NOKISENS SAC CO. LTD. TO: SUZHOU ZHONGYIN SENSE CO., LTD.

ASS Succession or assignment of patent right

Owner name: BEIJING NOKISENS SAC CO., LTD BEIJING NEW NORTHKIN

Free format text: FORMER OWNER: BEIJING NOKISENS SAC CO., LTD BEIJING NEW NORTHKING ELECTRONIC TECHNOLOGY + DEVELOPMENT CO., LTD. BEIJING NEW NORTHKING ELECTRONIC TECHNOLOGY + DEVELOPMENT CO., LTD.;BEIJING NOKISENS SAC CO., LTD.;W BEIJING DSY ELECTRONIC TECHNOLOGY DEVELOPMENT CO., LTD.

Effective date: 20130923

C41 Transfer of patent application or patent right or utility model
TA01 Transfer of patent application right

Effective date of registration: 20130923

Address after: 215325, No. 308, Park Avenue, sensor industrial base, Zhouzhuang Town, Kunshan, Jiangsu

Applicant after: Suzhou Zhongyin Sensing Co., Ltd.

Applicant after: Weihai Nokisens SAC Co., Ltd.

Applicant after: Beijing Nokisens SAC Co., Ltd.

Applicant after: Beijing Nokisens Electronic Technology Development Co., Ltd.

Address before: 215325, No. 308, Park Avenue, sensor industrial base, Zhouzhuang Town, Kunshan, Jiangsu

Applicant before: Suzhou Zhongyin Sensing Co., Ltd.

Applicant before: Weihai Nokisens SAC Co., Ltd.

Applicant before: Beijing Nokisens SAC Co., Ltd.

Applicant before: Beijing Nokisens Electronic Technology Development Co., Ltd.

Applicant before: Beijing DSY Electronic Technology Development Co., Ltd.

C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20131106

Termination date: 20190618