CN201796384U - Intelligent identification card for mines - Google Patents
Intelligent identification card for mines Download PDFInfo
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- CN201796384U CN201796384U CN2010205439277U CN201020543927U CN201796384U CN 201796384 U CN201796384 U CN 201796384U CN 2010205439277 U CN2010205439277 U CN 2010205439277U CN 201020543927 U CN201020543927 U CN 201020543927U CN 201796384 U CN201796384 U CN 201796384U
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- identification card
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Abstract
The utility model discloses an intelligent identification card for mines for underground personnel attendance check, positioning and tracking, working supervise and emergency rescue. The intelligent identification card comprises a data processing unit, a radio-frequency control module and an audio control module, wherein the data processing unit is used for processing data and controlling the intelligent identification card; the radio-frequency control module is connected with the data processing unit and an antenna, and controls the antenna to transceive radio-frequency signals under the control of the data processing unit; the audio control module is connected with the data processing unit, a buzzer and a sonic probe respectively and controls the buzzer to send signals under the control of the data processing unit; and the sonic probe is used for detecting rescue signals and transmitting the corresponding signals to the data processing unit and a power supply through the audio control module. The intelligent identification card realizes high-precision positioning of personnel by combining radio-frequency far distance identification technology and high-frequency acoustic near field identification technology and combining a special algorithm, the positioning error is less than 30 centimeters, and the intelligent identification card is particularly suitable for auxiliary communication and management under underground severe environments.
Description
Technical field
The utility model relates to a kind of radio-frequency identification card, relates in particular to the mining intelligent identification card of a kind of personnel in the pit's of being used for work attendance, location tracking, work supervision, the search and rescue of speedily carrying out rescue work.
Background technology
In recent years, how constantly increasing in quantity of colliery gassy mine strengthens safety in production, and improves search-and-rescue work efficient, becomes the problem of needing solution badly.Usually the colliery take place serious accident the time, subject matter concentrates on the following aspects: (1) ground and personnel in the pit's information communication is untimely; (2) ground staff is difficult in time dynamically grasp personnel in the pit's distribution and operation situation, carries out accurate personnel positioning; (3) in case coal mining accident takes place, the efficient of rescue and relief work, safety rescue is low, searches and rescues weak effect.
For this reason, how correctly to handle the relation of safety and production, safety and benefit, fulfil the coal mine safety monitoring function how accurately, in real time, fast, effectively carry out miner's management, guarantee that the efficient running of rescue and relief work, safety rescue seems particularly important and urgent.Promote safety in production information system management level, strengthening with disaster prevention, search and rescue is the safety in production permanent mechanism of main target, is the only way of safety of China production work.
Domestic existing personnel in the pit's positioning and checking attendance system is based on the RFID technology.The RFID technology is the mode that a kind of non-contact type information of utilizing radiofrequency signal to realize by space coupling (alternating magnetic field or electromagnetic field) is transmitted, and the information of passing through to be transmitted reaches the purpose of Target Recognition.Though the total system cost is lower, but the ownership of utilizing communication base station receiving target signal is judged the position of moving target, the localizing objects error ratio is bigger, and the orientation is unintelligible, and its precision, reaction velocity and EFFECTIVE RANGE still can not satisfy the requirement of emergency management and rescue after Safety of Coal Mine Production information system management and the calamity.
The utility model content
In view of this, fundamental purpose of the present utility model is to provide a kind of mining intelligent identification card, to solve existing deficiency in the existing radio-frequency (RF) identification location technology.
For achieving the above object, the utility model provides a kind of mining intelligent identification card, described mining intelligent identification card comprises: data processing unit, the storer that is connected with described data processing unit, radio frequency control module and antenna, the audio frequency control module, hummer, sonic probe and power supply, wherein, described radio frequency control module is connected with described data processing unit and antenna respectively, described audio frequency control module and described data processing unit, described hummer and sonic probe are connected respectively, described power supply be connected with each unit of this mining intelligent identification card to and to its power supply.
As can be seen from the above technical solutions, the utility model has following beneficial effect:
(1) the mining intelligent identification card that provides of the utility model, comprehensive utilization radio frequency, sound wave, infrared multiple transmission medium can be finished after timely communication, managing communication, personnel positioning, the calamity multiple functions such as first aid;
(2) the mining intelligent identification card that provides of the utility model combines remote recognition technology of radio frequency and high frequency sound wave near field recognition technology, in conjunction with dedicated algorithms, realizes personnel's hi-Fix, and positioning error is less than 30cm;
(3) the mining intelligent identification card that provides of the utility model merges low frequency long-wave communication technology, utilizes the low-frequency sound wave long transmission distance to be difficult for the characteristics of decay, the accident of the being convenient to location of speedily carrying out rescue work;
(4) the mining intelligent identification card that provides of the utility model has the infrared communication ability, is specially adapted to subsidiary communications and management under the rugged surroundings of down-hole.
Description of drawings
The system chart of the mining intelligent identification card that Fig. 1 provides for the utility model;
Fig. 2 is an electron scanning card reading system block diagram described in the utility model.
Embodiment
Can be clearer for making to the purpose of this utility model, technical scheme and advantage in persons skilled in the art, below in conjunction with the course of work of certain mining intelligent identification card under safe mode and accident pattern is instantiation, and, the utility model is further described with reference to accompanying drawing.
Institute is shown in Figure 1, and mining intelligent identification card described in the utility model includes
Radio frequency control module 3 and antenna 4, described radio frequency control module 3 is connected with described data processing unit 1 and antenna 4 respectively, and under this data processing unit 1 control, control antenna transmitting-receiving radiofrequency signal is to finish the function of basic communication and zone location;
Audio frequency control module 5, hummer 6 and sonic probe 7, described audio frequency control module 5 is connected respectively with described data processing unit 1, described hummer 6 and sonic probe 7, it is under the control of described data processing unit 1, control hummer 6 sends signal, described sonic probe 7 is used to detect search and rescue signal, and corresponding signal is transferred to described data processing unit 1 by described audio frequency control module 5, wherein said sonic probe 7 is a high sensitivity long wave probe; And
Power supply is used for each the unit power supply to described mining intelligent identification card.
In a preferred embodiment of the present utility model, mining intelligent identification card described in the utility model is by antenna 4 transmitting-receiving radiofrequency signals, and finish communicating by letter of mining intelligent identification card and other peripheral hardwares, communication process is observed 802.11b agreement, card and WiFi Web-compatible.
The peripheral hardware signal is received by antenna 4, delivers to data processing module 1 behind radio frequency control module 3 demodulating and decodings, and data processing module 1 is according to pre-set programs, behind corresponding information coding, through radio frequency control module 3 coded modulation after antenna 4 outputs.
Communicating by letter between described mining intelligent identification card and the corresponding electron scanning card reader can be finished the daily management information communication, and be utilized the essential information of this mining intelligent identification card passback, realizes personnel's work attendance.
Described electron scanning card reader comprises control nuclear DSP11, is used for calculating and handling various data-signals, and searches and rescues in described wireless location and coordinate between each module of instrument and manage; Radio system control module 13, described radio system control module 13 is connected with described control nuclear DSP11, be used for to radiofrequency signal encode, modulation, demodulation and decoding; With the antenna 14 that described radio system control module 13 links to each other, 13 pairs of these antennas 14 of described radio system control module carry out feed control; Audio system control module 15, described audio system control module 15 is connected with described control nuclear DSP11, be used for to acoustic signals encode, modulation, demodulation and decoding; Hummer 16 and sonic probe 17, described hummer 16, sonic probe 17 link to each other with described audio system control module 15 and controlled by it; And power supply, be used for described multifunction wireless location is searched and rescued each unit power supply of instrument.
Described antenna 14 is a phased array antenna, comprises a plurality of antenna surface battle arrays at an angle to each other.The different array subregion work of described antenna 14 are finished emission, reception and comprehensive the patrolling of signal simultaneously and are swept.Described antenna surface battle array is made up of the radiating element and the phase shifter of two-dimensional arrangements, and 14 pairs of surrounding spaces of described antenna are realized omnidirectional's electron scanning.Under the effect of radio system control module 13, antenna 14 each radiation element are launched the electromagnetic wave of outs of phase, thereby make the continuous deflection of electromagnetism lobe of antenna surface battle array, finish scanning; The combination of described a plurality of battle arrays at an angle to each other can make described phased array antenna finish omnidirectional's scanning.In a scan period, read mining intelligent identification card in the distance range around the card reader and all can finish and communicate by letter, and carry out command adapted thereto with card reader.
Further, described electron scanning card reader also comprises infrared system control module 18, infrared probe 19, and described infrared control module 18 is connected with infrared probe 19, is used for subsidiary communications under rugged surroundings.
In described electron scanning card reader, control nuclear DSP11 is the computing main control module, as signal processing module, and is communication interface with phased array antenna 14, sonic generator 16, sonic probe array 17 and infrared probe 19 with radio system control module 13, audio system control module 15 and infrared control module 18.
In embodiment of the present utility model, described electron scanning card reader and the supporting use of mining intelligent identification card described in the utility model, its radio communication of carrying out is employed also to be the 2.4G electromagnetic wave, carries out 802.11b communication protocol; And described sonic generator 16 can be launched the sound wave of 100Hz, and described sonic probe 17 is the sonic sensor array, and its array element space structure is arranged according to location algorithm, can detect the sound wave of 20KHz and two kinds of frequencies of 50Hz; Described infrared probe can detect 8 microns-13 microns infrared light.
Further, this also includes electron scanning card reader storer 2 and is used for depositing of signal and common instruction.
Mining intelligent identification card described in the utility model is set with safety monitoring pattern and two kinds of mode of operations of accident help-asking mode, and in actual applications, the holder can select mode of operation according to the actual conditions in the mine.
When described colliery is set to the safety monitoring pattern with the Intelligent Recognition card, in the time of in this mining intelligent identification card is in a certain group of card reader read-write scope, the peripherad a plurality of card reader of this identification card are sent signal, these a plurality of card reader are sent an answer signal by signal emission module by antenna after receiving the signal that identification card sends, the time that the answer signal that identification card sends by each card reader arrives is judged the distance before each card reader and the identification card, nearest card reader is as main card reader, as secondary card reader, described main card reader and secondary card reader are formed a card reader group jointly apart from card reader far away slightly for other.Send the location password by main card reader, after this password is identified card and secondary card reader reception on every side, start the high frequency sound wave finder: under the control of signal processing module 1, control hummer 6 sends the 20KHz sound wave, simultaneously the synchronous zero clearing timing of card reader group timer by audio frequency control module 5.After the Time Calculation locator card that each card reader arrives according to the high frequency sound wave signal and the distance of card reader, this group information is reached computing terminal.Computing terminal is determined the relative position of identification card in conjunction with the card reader network map, realizes personnel's hi-Fix, bearing accuracy 30cm.
In a preferred embodiment of the present utility model, the frequency range of described high frequency sound wave signal is 10KHz-20KHz.
Otherwise, when mine generation gas is revealed, during a series of burst accident of blast or infiltration etc., the holder can switch to the mode of operation of described mining intelligent identification card the accident help-asking mode or automatically switch to the accident help-asking mode by described mining intelligent identification card, at this moment, the sonic probe 7 of described identification card begins to search for search and rescue signal, after sonic probe 7 has searched corresponding search and rescue signal, this sonic probe 7 is transferred to described data processing unit 1 with corresponding signal by described audio frequency control module 5, again by described data processing unit 1 control audio control module 5, send the low-frequency sound wave signal by described hummer 6, detect for searching and rescuing recognition of devices.Because the spread scope of low-frequency sound wave is far away, it is little decay, is easy to seizure, is more conducive to emergency first aid after the calamity.And the frequency range of described low-frequency sound wave signal is 50Hz-100Hz.
In a preferred embodiment of the present utility model, the frequency of described low-frequency sound wave signal is 100Hz.
Further, in the another preferred embodiment of the utility model, when described Intelligent Recognition card is in accident help-asking mode following time, described Intelligent Recognition card enters dormant state, to reduce electric quantity consumption.Whether described mining intelligent identification card has search and rescue signal by sonic probe 7 every 1 minute timing search, when this sonic probe 7 detects search and rescue signal, this mining intelligent identification card then will start once more, then launch the low-frequency sound wave signal off and on by the described hummer 6 of described audio frequency control module 5 controls afterwards by described data processing unit 1, described power supply is only to data processing unit 1, audio frequency control module 5, and hummer 6 power supplies.
In addition, mining intelligent identification card described in the utility model also comprises infrared control module 8 and infrared LED 9, described infrared control module 8 is connected with infrared LED 9, described data processing unit 1 can be managed infrared control module 8 coded signals, through infrared LED 9 outputs, be used for subsidiary communications under the rugged surroundings, improve fiduciary level.And the wave band of the infrared encoded signal that infrared LED 9 is launched is positioned at atmospheric window.
In the utility model one preferred embodiment, the wave band of the infrared encoded signal of described infrared LED 9 emissions is between 8um～13um.
Above-described concrete embodiment has carried out further detailed explanation to the purpose of this utility model, technical scheme and beneficial effect.Institute it should be understood that the above only for concrete embodiment of the present utility model, is not limited to the utility model.All any modifications of within spirit of the present utility model and principle, being made, be equal to and replace or improvement etc., all should be included within the protection domain of the present utility model.
Claims (6)
1. mining intelligent identification card, it is characterized in that, described Intelligent Recognition card comprises: data processing unit (1), the storer (2) that is connected with described data processing unit (1), radio frequency control module (3) and antenna (4), audio frequency control module (5), hummer (6), sonic probe (7) and power supply, wherein, described radio frequency control module (3) is connected with described data processing unit (1) and antenna (4) respectively, described audio frequency control module (5) and described data processing unit (1), described hummer (6) and sonic probe (7) are connected respectively, described power supply be connected with each unit of this mining intelligent identification card to and to its power supply.
2. mining intelligent identification card as claimed in claim 1 is characterized in that, the frequency range of the high frequency sound wave signal that described hummer (6) sends is 10KHz-20KHz.
3. mining intelligent identification card as claimed in claim 1 is characterized in that, the frequency range of the low-frequency sound wave signal that described hummer (6) sends is 50Hz-100Hz.
4. as the described mining intelligent identification card of each claim among the claim 1-3, it is characterized in that, described mining intelligent identification card also comprises infrared control module (8), infrared LED (9), and described infrared control module (8) is connected with described data processing unit (1) and infrared LED (9) respectively.
5. mining intelligent identification card as claimed in claim 4 is characterized in that, the wave band of the infrared encoded signal of described infrared LED (9) emission is positioned at atmospheric window.
6. mining intelligent identification card as claimed in claim 5 is characterized in that, the wave band of the infrared encoded signal of described infrared LED (9) emission is between 8um～13um.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205439277U CN201796384U (en) | 2010-09-27 | 2010-09-27 | Intelligent identification card for mines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205439277U CN201796384U (en) | 2010-09-27 | 2010-09-27 | Intelligent identification card for mines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201796384U true CN201796384U (en) | 2011-04-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205439277U Expired - Lifetime CN201796384U (en) | 2010-09-27 | 2010-09-27 | Intelligent identification card for mines |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201796384U (en) |
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2010
- 2010-09-27 CN CN2010205439277U patent/CN201796384U/en not_active Expired - Lifetime
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110413 |
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| CX01 | Expiry of patent term |