CN101429874A - Portable security instrument for miner - Google Patents
Portable security instrument for miner Download PDFInfo
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- CN101429874A CN101429874A CNA2008100585679A CN200810058567A CN101429874A CN 101429874 A CN101429874 A CN 101429874A CN A2008100585679 A CNA2008100585679 A CN A2008100585679A CN 200810058567 A CN200810058567 A CN 200810058567A CN 101429874 A CN101429874 A CN 101429874A
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Abstract
The invention relates to a portable safety instrument for miners and belongs to the field of information and automation. The instrument comprises a microprocessor, a storage circuit, a data acquisition circuit, a speech coding circuit, a wireless radio frequency module, a battery, a wireless signal repeater, earphones, a wireless video transmission module, a power supply module, a warning circuit, a serial port circuit, a keyboard circuit and a display module. The portable safety instrument is a device which can be used for learning about information on surrounding environment of a miner and realizing voice and video communication with a working field. The system of the device adopts the wireless radio frequency module to realize data transmission in a repeater mode. The safety instrument provides a good solution to problems of monitoring people, early warning and rescuing in mines, tunnels and other isolated environments. The safety instrument has the characteristics of low cost, low consumption, high performance, portability and so on, and can be used as a common portable safety instrument for miners.
Description
Technical field
The invention belongs to information and automatic field, be specifically related to a kind of portable security instrument for miner.
Background technology
Mine, tunnel belong to the high-risk operating environment, therefore these environment are carried out remote data monitoring, help command centre outside aboveground or the tunnel and grasp Environmental security situation in down-hole or the tunnel better, cooperate the Field Force in down-hole or the tunnel to take measures, eliminate safe hidden trouble.In when, security incident taking place when, if can grasp the situation in down-hole or the tunnel outside the aboveground or tunnel, help it and take the rescue measure.Traditional underground data acquisition system, the wired networking mode of general employing, can avoid signal interference problem effectively, but because the underground environment complexity, this mode has that difficulty of construction is big, transmission range is limited, difficult wiring, system cost height, the difficult working condition of safeguarding, can't checking alarm at any time, can't provide shortcoming such as search and rescue information accurately when security incident takes place.And if adopt radio wave, particularly the mode of the electric wave of intermediate frequency and high band can be subjected to the complex electromagnetic environments influence again, especially limited non-free space, it is very big that this just makes radio wave decay in transmission course, in the place or the depths, tunnel of well depth, be difficult to aboveground or tunnel outside effectively get in touch with.In addition; traditional wired and wireless mode is just gathered envirment factors such as the temperature of routine, humidity, gas; do not consider picture transmission and function of voice communication; thereby can not provide mine workman's field data in times of crisis, and in wireless transmission method, also fail to solve problems such as the transmission signal weakens
Summary of the invention
The objective of the invention is to overcome and descend the wired networking mode difficulty of construction of data collecting system big traditionally, the system cost height, the difficult maintenance, can't check the working condition of alarm at any time, the defective of searching and rescuing information accurately can't be provided, or when adopting the radio wave mode, the electric wave of intermediate frequency and high band is subjected to the complex electromagnetic environments influence, the radio wave very large defective that in transmission course, decays, a kind of safe instrument of being carried by each miner is provided, this safe instrument and the mensuration temperature that is arranged in the down-hole, humidity, the sensor combination of gas etc., make aboveground or the tunnel outside command centre can understand workman's ambient condition information in down-hole or the tunnel at any time, and realization a kind of device of communicating by letter with on-the-spot voice and video.
The object of the present invention is achieved like this: this portable security instrument for miner comprises:
-single-chip microcomputer 1 is used for the information that is collected is handled;
-memory circuit 2 is connected with described single-chip microcomputer 1, is used to realize the storage of mass data;
-data acquisition circuit 3, be connected with sensors such as described single-chip microcomputer 1 and temperature, humidity, gas, this data acquisition circuit 3 can provide at least two digital signal input ends, at least two analog current signal inputs and two analog voltage signal inputs, is used for Information Monitoring;
-voice coding circuit 4 is connected with described single-chip microcomputer 1, is used to realize voice coding and decoding;
-wireless radio frequency modules 5, this module 5 adopts the radio frequency chip that works in hyper band, is connected with described voice coding circuit 4, is used to transmit on-the-spot voice messaging;
-battery 6, this battery 6 provides stable power for the wireless signal repeater;
-wireless signal repeater 7 is connected with described battery 6, is used to increase signal transmission distance;
-headset 8 is connected with described voice coding circuit 4, is used for gathering and received speech signal;
-wireless video transport module 9 is connected with described single-chip microcomputer 1, is used to transmit scene image information;
-power module 10, this power module 10 provides stable power for device each several part circuit;
-warning circuit 11 is connected with described single-chip microcomputer 1, is used for the warning of device;
-serial port circuit 12 is connected with described single-chip microcomputer 1, and this serial port circuit 12 can provide a RS232 port, is used for and the PC communication;
-keyboard circuit 13 is connected with described single-chip microcomputer 1, is used for the setting and the function operations of collector parameter;
-display module 14 is connected with described single-chip microcomputer 1, is used for data, warning and operation interface and shows;
-having a shell of the signal input port of a control panel, standard, control panel is used to install signal lamp, keyboard, display; The signal input port of standard comprises digital signal input end mouth, analog signal (voltage and current) input port, RS232 port and outlet; Device circuit board is placed in the shell, and port is drawn in shell one side.
The operating principle of this portable security instrument for miner is: at first by keyboard circuit 13 some control informations of input, such as collection period, environmental field etc., these information are stored in the memory circuit 2, after data acquisition circuit 3 collects data, itself and corresponding environmental field are compared, when a certain envirment factor was crossed the border, display module 14 can glimmer, and shows the current information of crossing the border; Miner and administrative staff carry out speech communication, open talk key, realize by headset 8, wireless radio frequency modules 5 and voice coding circuit 4, wherein headset 8 is used for the transmitting-receiving of voice messaging, wireless radio frequency modules 5 is used to finish the transmission of voice messaging, and voice coding circuit 4 is used for realizing the Code And Decode of voice; In the video transfer function, the miner at first selects the video transfer function by Menu key, is specifically realized by wireless video transport module 5.In addition, for the stable transfer of guarantee information, this device has adopted relay transmission mode, is realized by wireless signal repeater 7.
The invention has the beneficial effects as follows: owing to do not adopt wired networking mode, and the mode of employing miner portable instrument, can avoid signal interference problem effectively, and the difficulty of construction that causes because of the underground environment complexity is big, transmission range is limited, difficult wiring, the system cost height, the difficult maintenance, can't check the working condition of alarm at any time, shortcomings such as search and rescue information accurately when taking place, security incident can't be provided, because native system not only can be realized the temperature of working site routine, humidity, the collection of envirment factors such as gas, can also gather image information, realize image, function of voice communication, promptly realized the transmission of on-the-spot voice and pictorial information, can make command centre outside the aboveground and tunnel grasp situation in down-hole and the tunnel at any time, workman's ambient condition information in the tunnel, help command centre according to circumstances, in cooperation down-hole or the tunnel take measures in the scene, in time eliminate safe hidden trouble, because the safety instrument has low cost, low-power consumption, high-performance, volume is little, advantage such as portable, suitable workman carries, when having an accident, command centre outside the aboveground and tunnel can grasp each workman's situation, in time takes effectively to rescue measure.Because system has also introduced the wireless signal repeater and has adopted the hyperfrequency waves transmission, overcome the influence of electromagnetic interference in the signal transmission and the restriction of transmission range, guaranteed the accuracy of transfer of data.
Description of drawings
Fig. 1 is the circuit block diagram of an embodiment provided by the present invention;
Fig. 2 is the circuit block diagram of a voice and video telecommunication circuit provided by the present invention;
Fig. 3 is the circuit diagram of a collection of simulant signal provided by the present invention;
Fig. 4 is the circuit diagram of a digital signal acquiring provided by the present invention;
Fig. 5 is the circuit diagram of a warning circuit provided by the present invention.
The specific embodiment
The invention will be further described below in conjunction with drawings and Examples, but embodiment is not a limitation of the present invention.
Far away or can not line communication the time when the communication distance that uses this portable security instrument for miner both sides, need add wireless signal repeater 7 halfway, and with battery 6 power supplies, with effective transmission of assurance both sides signal.The module of selecting for use is;
Single-chip microcomputer 1, adopt the MSP430F149 single-chip microcomputer of company of Texas Instruments (TI), the electric current that it is worked under the condition of dormancy has only 0.8 μ A, even the electric current of working under 2.2V, 1MHz condition has only 280 μ A, can well satisfy the requirement of this device low-power consumption; 16 RSIC structures, the time of implementation of instruction only needs 150ns, and the processing method of tabling look-up efficiently in addition has higher processing speed, and operational capability reaches 1MIPS under the 8MHz crystal; 2 16 timer is arranged on the sheet, and the realization of gathering timing function for device provides convenience; This single-chip microcomputer has 2 serial ports, can satisfy system digits signals collecting and the requirement of communicating by letter with PC; 12 A/D converter is arranged on the sheet, and sheet internal reference voltage is provided, can satisfy the demand that the technical program is carried out information gathering; Provide P1.0-P6.0 totally 6 data ports, for system's memory circuit, display circuit and being connected of wireless radio frequency modules function provide enough I/O resources.1 pair of information that is collected of single-chip microcomputer is handled, and transmits information by the voice coding circuit and the wireless video transport module of its connection;
Voice coding circuit 4, slope continuous variable increment (CVSD) the full-duplex audio modulation chip CMX639 that adopts National Semiconductor to release, it is fully-integrated voice coding and decoding function, realized the ability of single-chip speech processes, ancillary equipment is simple, and the user can be provided with its code decode algorithm easily by its pin, and has the powerful encryption algorithm selected, CMX639 is to each sampling of voice signal, only represent with 1 bit, what export is serial bit stream, can directly send into radio frequency core TRF6900 and transmit, and it has low-power consumption, low price, multiple advantages such as small size and development difficulty are low.Because the voice signal amplitude of microphone is little usually, therefore in order to reduce the influence of noise, need to add amplifier signal is amplified signal quality, adopt the ANT310 chip in the system; Similarly, when earphone receives by the high-frequency noise in the wave filter MAX7400 filtering voice signal.
Wireless radio frequency modules 5, adopt the short-distance wireless radio frequency chip TRF6900 of the up-to-date release of TI company, adopt the FSK modulation, can be operated in the 850-950MHzISM hyper band, be highly suitable under the complex electromagnetic environments such as mine, tunnel and carry out radio communication, its main performance is as follows: 1) the valid data transmission range is 100 meters; 2) operating voltage 2.2V-3.6V; 3) standby current 5A, operating current 50mA; 4) transfer of data flank speed 50Kbps.TRF6900 can satisfy the requirement of earphone-microphone to transmission range and data rate substantially, and operating voltage and power consumption are lower, can utilize battery to power.
Battery 6 adopts storage battery power supply, can power continuously 48 hours.
Wireless video transport module 9, the OEM module group that adopts Beijing Bluewave Vision Technology Co., Ltd. to release, its main performance is as follows: multiband Direct Conversion technology: 150～900MHz, 1.0G～1.7GHz, 2.3G～2.7GHz; Many bandwidth COFDM modulation technique: 8MHz, 4MHz, 2MHz (optional); Multi-mode video compression: MPGE4 MPEG compatible 2 (dial-up selection); High threshold level level: sensitivity-103dBm (10-6BER@4MHz channel width) has the AES encryption function: avoid illegal reception; Manually keying 14dB power output is adjustable: the convenient power that changes on the spot, reduce radiation; Manually keying 8 channel selections: conveniently change frequency on the spot, avoid disturbing; The high-quality video quality: no mosaic, preserve last frame and scheme well; Support high speed mobile transmission; Support non line of sight (NLOS) transmission.This module group links to each other with microprocessor by another serial ports (URXD, UTXD pin) of microprocessor.
When communicating pair distance is in 100 meters the time, need not to adopt trunking scheme to realize transfer of data, promptly needn't use battery 6 and wireless signal repeater 7, can save system cost like this, reduce system power dissipation.The present embodiment other parts are with embodiment 1.
Claims (2)
1. portable security instrument for miner, it is characterized in that: the safety instrument comprises:
-single-chip microcomputer (1) is used for the information that is collected is handled;
-memory circuit (2) is connected with described single-chip microcomputer (1), is used to realize the storage of mass data;
-data acquisition circuit (3) is connected with described single-chip microcomputer (1), and this data acquisition circuit (3) can provide at least two digital signal input ends, at least two analog current signal inputs and two analog voltage signal inputs, is used for Information Monitoring;
-voice coding circuit (4) is connected with described single-chip microcomputer (1), is used to realize voice coding and decoding;
-wireless radio frequency modules (5), this module (5) adopts the radio frequency chip that works in hyper band, is connected with described voice coding circuit (4), is used to transmit on-the-spot voice messaging;
-battery (6), this battery (6) provides stable power for the wireless signal repeater;
-wireless signal repeater (7) is connected with described battery (6), is used to increase signal transmission distance;
-headset (8) is connected with described voice coding circuit (4), is used for gathering and received speech signal;
-wireless video transport module (9) is connected with described single-chip microcomputer (1), is used to transmit scene image information;
-power module (10), this power module (10) provides stable power for device each several part circuit;
-warning circuit (11) is connected with described single-chip microcomputer (1), is used for the warning of device;
-serial port circuit (12) is connected with described single-chip microcomputer (1), and this serial port circuit (12) can provide a RS232 port, is used for and the PC communication;
-keyboard circuit (13) is connected with described single-chip microcomputer (1), is used for the setting and the function operations of collector parameter;
-display module (14) is connected with described single-chip microcomputer (1), is used for data, warning and operation interface and shows;
A shell of the signal input port of-one control panel, standard, control panel is used to install signal lamp, keyboard, display; The signal input port of standard comprises digital signal input end mouth, analog signal (voltage and current) input port, RS232 port and outlet; Device circuit board is placed in the shell, and port is drawn in shell one side.
2. portable security instrument for miner according to claim 1 is characterized in that: the RS232 port (12) with native system provides becomes USB port to realize data wire transmission by connecting the RS232/USB converter configurations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100585679A CN101429874A (en) | 2008-06-20 | 2008-06-20 | Portable security instrument for miner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100585679A CN101429874A (en) | 2008-06-20 | 2008-06-20 | Portable security instrument for miner |
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| CN101429874A true CN101429874A (en) | 2009-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2008100585679A Pending CN101429874A (en) | 2008-06-20 | 2008-06-20 | Portable security instrument for miner |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101950994A (en) * | 2010-04-02 | 2011-01-19 | 哈尔滨工程大学 | Multipurpose model airplane electronic toolbox |
| CN102419824A (en) * | 2010-09-27 | 2012-04-18 | 晁顶 | Intelligent identification card for mines |
| CN109083670A (en) * | 2018-11-05 | 2018-12-25 | 郑州煤机液压电控有限公司 | Remote manipulator for Mechanized hydraulic support |
| CN109377687A (en) * | 2018-09-19 | 2019-02-22 | 安徽工程大学 | A kind of mining phonetic warning system |
| CN109445521A (en) * | 2018-10-24 | 2019-03-08 | 广州市易纬电子有限公司 | A kind of Internet of Things intrinsic safety type device suitable for dressing and being used for environmental monitoring |
| CN110333171A (en) * | 2019-08-12 | 2019-10-15 | 山东科技大学 | Coal handling system transfer point dust concentration detecting method and system |
| CN111997674A (en) * | 2020-09-25 | 2020-11-27 | 何双龙 | Anti-collapse device for anchor rod |
| CN114279489A (en) * | 2021-11-15 | 2022-04-05 | 深圳供电局有限公司 | Construction site safety monitoring device and system |
-
2008
- 2008-06-20 CN CNA2008100585679A patent/CN101429874A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101950994A (en) * | 2010-04-02 | 2011-01-19 | 哈尔滨工程大学 | Multipurpose model airplane electronic toolbox |
| CN101950994B (en) * | 2010-04-02 | 2012-10-31 | 哈尔滨工程大学 | Multipurpose model airplane electronic toolbox |
| CN102419824A (en) * | 2010-09-27 | 2012-04-18 | 晁顶 | Intelligent identification card for mines |
| CN102419824B (en) * | 2010-09-27 | 2016-08-03 | 晁顶 | Intelligent identification card for mines |
| CN109377687A (en) * | 2018-09-19 | 2019-02-22 | 安徽工程大学 | A kind of mining phonetic warning system |
| CN109445521A (en) * | 2018-10-24 | 2019-03-08 | 广州市易纬电子有限公司 | A kind of Internet of Things intrinsic safety type device suitable for dressing and being used for environmental monitoring |
| CN109083670A (en) * | 2018-11-05 | 2018-12-25 | 郑州煤机液压电控有限公司 | Remote manipulator for Mechanized hydraulic support |
| CN110333171A (en) * | 2019-08-12 | 2019-10-15 | 山东科技大学 | Coal handling system transfer point dust concentration detecting method and system |
| CN111997674A (en) * | 2020-09-25 | 2020-11-27 | 何双龙 | Anti-collapse device for anchor rod |
| CN114279489A (en) * | 2021-11-15 | 2022-04-05 | 深圳供电局有限公司 | Construction site safety monitoring device and system |
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Application publication date: 20090513 |