CN101917211B - Mine downhole intelligent wireless monitoring and positioning system base station - Google Patents
Mine downhole intelligent wireless monitoring and positioning system base station Download PDFInfo
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- CN101917211B CN101917211B CN 201010237439 CN201010237439A CN101917211B CN 101917211 B CN101917211 B CN 101917211B CN 201010237439 CN201010237439 CN 201010237439 CN 201010237439 A CN201010237439 A CN 201010237439A CN 101917211 B CN101917211 B CN 101917211B
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Abstract
The invention provides a mine downhole intelligent wireless monitoring and positioning system base station which comprises a core processor, a power system, a communication interface and a gas sensor, wherein embedded software is arranged in the core processor; the core processor is an ARM processor; the communication interface is composed of a wireless ZigBee module and an industrial CAN bus interface which are respectively connected with the core processor; and the wireless ZigBee module and the core processor are connected with each other and communicate with each other through an SPI port. In the wireless base station, wired communication and wireless communication are switched in a seamless way; the base station is powered by double power supplies, including batteries and downhole alternating current, so that the wireless base station can still perform the function and provide information guarantee for rescue when an accident occurs downhole and the alternating current is cut off; and the wireless base station comprises data of the high quality gas sensor, which can be used for monitoring the gas content in the tunnel. The data of the sensor can also be used for correcting the positioning.
Description
Technical field
The present invention is a kind of mine downhole intelligent wireless monitoring and positioning system base station, belongs to down-hole location and monitoring field.
Background technology
Setting up monitoring system perfect under the coal mine is the precondition of implementing at present with the safety in production theory of " putting prevention first " with accurate personnel location system.The wireless base station is to improve monitoring and pinpoint basis.Some patents have related to the research of this respect at present.
CN 201096877Y has announced a kind of wireless location system based on ZIGBEE.This patent subject matter is: (1) just utilizes current information to locate, rather than historical data and present data fusion are positioned; (2) do not merge the Mine Monitoring function.
CN 101369944A has proposed mine wireless location system and the distribution method thereof based on ZIGBEE and RFID.Adopt RFID to position, position the transmission of information by ZIGBEE.The subject matter of this patent: (1) is not in conjunction with location and monitoring; (2) RFID is unidirectional; (3) just utilize current information to locate, rather than historical data and present data fusion are positioned;
The CN200710171812.2 downhole coal mine personnel real-time radio positioning method has proposed a kind of downhole coal mine personnel real-time radio positioning method, adopts distributed real-time location method or received signal power index based on the radio node radio-frequency (RF) signal strength.Conversion method between RSSI and the actual range.But the disturbing factor that the intensity of wireless signal is subject to is too many, when entering this scene when human body, also can affect the intensity of wireless signal.Therefore locate inaccurate.
The CN200620101832.3 Worker locating system in mine has proposed a concept of wireless location and monitoring, and the key issue of still locating for mine: how to utilize wireless system to locate accurately, this patent does not propose new algorithm.
The CN201234272Y wireless sensor network node device used in underground coal mine.Proposed under the coal mine based on the personnel positioning at wireless senser networking and the hardware platform of environmental monitoring.But for mine rescue and monitoring, these hardware are substantially the most also to be the most conventional, and how this patent utilizes these equipment to carry out the system problem of mine location if not solving, only relate to some hardware.This equipment does not solve demarcation and the precision problem of mobile node transducer yet simultaneously.
CN201408358Y has proposed a kind of Mine Monitoring equipment based on wireless sensor network.But this equipment can't be used in practice: (1) does not solve the demarcation of transducer, therefore often causes easily wrong report; (2) there is not effective targeting scheme.The CN101621431A wireless sensor network node device used in underground coal mine.Proposed based on the personnel positioning of wireless sensor network and the hardware platform of environmental monitoring.But this equipment does not solve and effectively utilizes mine existence conditions networking problem, and is large because wireless signal disturbs in the down-hole, sometimes can't send data, causes Mine Monitoring unfavorable.Crucial transducer stationary nodes should adopt wire communication mode.This equipment does not have to solve the orientation problem based on fusion method simultaneously.
Summary of the invention
The objective of the invention is to overcome the defective of prior art products, a kind of new mine downhole intelligent wireless monitoring and positioning system base station are provided, with other wireless base station difference be: wireless base station of the present invention has been realized wired and the wireless telecommunications seamless switching; When the cut-out of mine accident alternating current occurs in the down-hole, can work in the wireless base station in the same old way, guarantees for rescue provides information.
The present invention is achieved in that a kind of mine downhole intelligent wireless monitoring and positioning system base station, comprise core processor, power-supply system, communication interface, gas sensor, be provided with embedded software in the described core processor, it is characterized in that: described core processor is arm processor, described communication interface is comprised of the wireless ZigBee module that links to each other with core processor respectively, industrial CAN bus interface, and described wireless ZigBee module and core processor are by SPI mouth connecting communication.
Described power-supply system comprise power management module, with battery, flame-proof switch power supply that power management module links to each other respectively, described flame-proof switch power supply links to each other with the down-hole alternating current.
Described battery is lithium battery or lead-acid battery.
Described wireless ZigBee module and industrial CAN bus interface are switched mutually by the mode of seamless switching.
Be provided with Interruption in the embedded software of described core processor, SPI interrupts and CAN interrupts three interruptions, in Interruption, gather gas sensor data, whether communication is normal to detect industrial CAN bus, when working properly, by industrial CAN bus interface the data of gas sensor are sent to relay station, when industrial CAN bus cisco unity malfunction, send to flag byte of wireless ZigBee module by the SPI interface, wireless like this ZigBee module is made as router with oneself, directly signal data is sent to next wireless base station by wireless mode.When SPI receives data from wireless ZigBee module, the data packing is sent to relay station by industrial CAN bus interface.
Mine downhole intelligent wireless monitoring of the present invention and positioning system base station are comprised of hardware and embedded software.In hardware system, its power supply has two kinds of methods of supplying, and (1) battery can be lithium battery, also can be lead-acid battery.(2) down-hole alternating current.Two kinds of power supplys access simultaneously, manage by power management module.When alternating current was arranged, direct current quit work, by alternating current work.If this moment the direct current battery undertension the time, alternating current charges to dc-battery.When AC outage, the direct current automatic operation.
Core processor in the hardware system is finished the control of all modules, and gathers the data of gas sensor, the content of monitoring tunnel gas.The present invention has two kinds of communication interfaces: ZigBee module that (1) is wireless; (2) industrial CAN bus interface.Two kinds of interfaces are seamless switchings: when wired industrial CAN bus interface was connected to data analysis processing and transmission trunking station, the wireless base station sent data to relay station by wired industrial CAN bus interface.When if wire signal can not be worked or when not connecting, give other base station by wireless ZigBee module with data-signal, by other base station, to relay station, perhaps directly give relay station by wireless signal with data retransmission.
Wireless ZigBee module receives the data from mobile vehicle, and data and the order of system's other parts sent to mobile vehicle.When wire communication can not be worked, near base station can be given with data retransmission in the wireless base station, then sends to relay station by the base station, is transferred to the ground handling station again.
Wireless monitor of the present invention and positioning system base station are to carry out networking by Ad hoc mode, and each base station is a receiving terminal, also are simultaneously routers, wireless data can be transmitted to other wireless base station.
High-quality gas sensor has been installed in the wireless base station, and this gas sensor is a node of wireless monitor system, also can revise the data of wireless location simultaneously.
Wireless base station of the present invention has been realized providing the emergency services of mine laneway information when mine disaster.When safety in production, provide perfect monitoring and location.In special workplace, when being inconvenient to arrange Wireline, can conveniently use wireless network to set up the base station.
The invention has the beneficial effects as follows: (1) has realized wired and the wireless telecommunications seamless switching in this wireless base station.When wired industrial CAN bus interface was connected to data analysis processing and transmission trunking station, the wireless base station sent data to relay station by wireline interface.When if wire signal can not be worked or when not connecting, give other base station by wireless ZigBee with data-signal, by other base station, to relay station, perhaps directly give relay station by wireless signal with data retransmission.(2) dual power supply comprises battery and down-hole alternating current.Main purpose is that when the cut-out of mine accident alternating current occured in the down-hole, the wireless base station can play a role in the same old way, guaranteed for rescue provides information.(3) wireless base station comprises the data of high-quality gas sensor, both can monitor the content of tunnel gas.Also can revise the location by the data of transducer.
Description of drawings
Fig. 1 is structural representation block diagram of the present invention;
Fig. 2 is the Interruption Structure and Process schematic diagram of core processor software of the present invention;
Fig. 3 is the Structure and Process schematic diagram of the SPI receive interruption of core processor software of the present invention;
Fig. 4 is the Structure and Process schematic diagram of the wireless ZigBee module of the present invention.
Embodiment
The professional and technical personnel below in conjunction with accompanying drawing the specific embodiment of the present invention is described in further detail, so that after reading, can grasp and understand architectural feature of the present invention further.
According to Fig. 1, the present invention is made of core processor, wireless ZigBee module, industrial CAN bus interface, power management module, battery, flame-proof switch power supply, down-hole alternating current.The present invention has two kinds of supply power modes, and a kind of is powered battery, and another kind is the down-hole AC-powered.Power management module manages two power supplys.When alternating current is arranged, cut off powered battery.When battery electric quantity was not enough, alternating current charged the battery.When alternating current can't be powered, this moment powered battery.Dual power supply is very crucial in mine.Because when running into the urgent thing such as Environment of Mine Disaster, the alternating current of down-hole should cut off, the powered battery that this moment is for subsequent use is rescued the information that the team member can obtain by this base station the tunnel environment like this.
In Fig. 1, core processor adopts high performance arm processor.Two kinds of communication interfaces are arranged: ZigBee module that (1) is wireless; (2) industrial CAN bus interface.Carry out seamless switching between these two kinds of interfaces, by SPI mouth connecting communication, in the software of core processor, there is special thread whether wire communication is connected and detects between wireless ZigBee module and the core processor, if there is not wire communication, the wireless base station passes through wirelessly transmitting data.This mode is very practical in mine.When the mine difficult wiring, the wireless base station can adopt wireless mode work.When mine disaster occurring, wired when destroyed, wireless monitor and navigation system can be carried out work equally.Wireless ZigBee module receives the data that mobile vehicle sends over, and with data retransmission to the next base station in the tunnel or send to relay station.
Use in actual applications a plurality of identical the present invention and form monitor network as a plurality of nodes, high-quality gas sensor is installed in the base station of the present invention, these transducers are as a node in the whole monitor network, also be as the reference value in the navigation system simultaneously, revise the locator value of mobile vehicle.
According to Fig. 2, Fig. 3, Fig. 4 in the software of the core processor of mine downhole intelligent wireless monitoring of the present invention and positioning system base station, is provided with three interruptions, and one is Interruption, and the 2nd, SPI interrupts, and the 3rd, CAN interrupts.In Interruption, gather gas sensor data, whether communication is normal to detect industrial CAN bus interface, when working properly, by industrial CAN bus interface sensing data is sent to relay station, when industrial CAN bus interface cisco unity malfunction, send to flag byte of wireless ZigBee module by the SPI mouth, wireless like this ZigBee module is made as router with oneself, directly signal data is sent to next wireless base station by wireless mode.When the SPI mouth receives data from wireless ZigBee module, the data packing is sent to relay station by industrial CAN bus interface.
The wireless base station that the present invention relates to has realized that the wireless base station still works when mine disaster, and the emergency services of mine laneway information is provided for the rescue team member.When safety in production, provide perfect monitoring and location.In special workplace, when being inconvenient to arrange Wireline, can conveniently use wireless network to set up the base station.
Claims (3)
1. a mine downhole intelligent wireless monitoring and positioning system base station, comprise core processor, power-supply system, communication interface, gas sensor, be provided with embedded software in the described core processor, it is characterized in that: described core processor is arm processor, described communication interface is comprised of the wireless ZigBee module that links to each other with core processor respectively, industrial CAN bus interface, and described wireless ZigBee module and core processor are by SPI mouth connecting communication; Described power-supply system comprise power management module, with battery, flame-proof switch power supply that power management module links to each other respectively, described flame-proof switch power supply links to each other with the down-hole alternating current; Be provided with Interruption in the embedded software of described core processor, SPI interrupts and CAN interrupts three interruptions, in Interruption, gather gas sensor data, whether communication is normal to detect industrial CAN bus, when working properly, by industrial CAN bus interface the data of gas sensor are sent to relay station, when industrial CAN bus cisco unity malfunction, send to flag byte of wireless ZigBee module by the SPI interface, wireless like this ZigBee module is made as router with oneself, directly signal data is sent to next wireless base station by wireless mode, when SPI receives data from wireless ZigBee module, the data packing is sent to relay station by industrial CAN bus interface.
2. mine downhole intelligent wireless monitoring according to claim 1 and positioning system base station, it is characterized in that: described battery is lithium battery or lead-acid battery.
3. mine downhole intelligent wireless monitoring according to claim 1 and positioning system base station, it is characterized in that: described wireless ZigBee module and industrial CAN bus interface are switched mutually by the mode of seamless switching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010237439 CN101917211B (en) | 2010-07-27 | 2010-07-27 | Mine downhole intelligent wireless monitoring and positioning system base station |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010237439 CN101917211B (en) | 2010-07-27 | 2010-07-27 | Mine downhole intelligent wireless monitoring and positioning system base station |
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| CN101917211A CN101917211A (en) | 2010-12-15 |
| CN101917211B true CN101917211B (en) | 2013-04-10 |
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| CN 201010237439 Expired - Fee Related CN101917211B (en) | 2010-07-27 | 2010-07-27 | Mine downhole intelligent wireless monitoring and positioning system base station |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102720539A (en) * | 2012-02-29 | 2012-10-10 | 山东黄金矿业（玲珑）有限公司 | Mine man-machine positioning and production environment monitoring method based on wireless technology |
| CN108131164B (en) * | 2018-01-05 | 2024-04-16 | 华北科技学院 | Multifunctional intelligent sensor |
| CN109087496A (en) * | 2018-10-24 | 2018-12-25 | 上海外高桥造船有限公司 | Wireless acquisition device peculiar to vessel |
| CN110179197A (en) * | 2019-05-31 | 2019-08-30 | 煤科集团沈阳研究院有限公司 | A kind of mining intelligent helmet and its data interactive method based on ultrashort out-of-focus projection |
| CN111722565A (en) * | 2020-06-22 | 2020-09-29 | 山东盛隆安全技术有限公司 | Automatic control technology for accurate personnel positioning base station |
| CN113365320B (en) * | 2021-06-08 | 2022-11-01 | 矿冶科技集团有限公司 | Method, device and equipment for switching signal channel and storage medium |
| CN113438734B (en) * | 2021-06-22 | 2022-09-06 | 矿冶科技集团有限公司 | Method, device and equipment for transmitting underground positioning data and storage medium |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101344777A (en) * | 2007-07-10 | 2009-01-14 | 日照立德电子科技有限公司 | Temperature monitoring system and method for mobile communication base station |
| CN201247505Y (en) * | 2008-08-22 | 2009-05-27 | 合肥工业大学 | Wireless sensing network node for compositely detecting smoke temperature in fire monitoring system |
| JP2009212722A (en) * | 2008-03-03 | 2009-09-17 | Fujitsu Ltd | Position information acquisition system |
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2010
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101344777A (en) * | 2007-07-10 | 2009-01-14 | 日照立德电子科技有限公司 | Temperature monitoring system and method for mobile communication base station |
| JP2009212722A (en) * | 2008-03-03 | 2009-09-17 | Fujitsu Ltd | Position information acquisition system |
| CN201247505Y (en) * | 2008-08-22 | 2009-05-27 | 合肥工业大学 | Wireless sensing network node for compositely detecting smoke temperature in fire monitoring system |
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