CN101738613A - Substation for detecting position of coal mine underground person - Google Patents
Substation for detecting position of coal mine underground person Download PDFInfo
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- CN101738613A CN101738613A CN200810226012A CN200810226012A CN101738613A CN 101738613 A CN101738613 A CN 101738613A CN 200810226012 A CN200810226012 A CN 200810226012A CN 200810226012 A CN200810226012 A CN 200810226012A CN 101738613 A CN101738613 A CN 101738613A
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- substation
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- identification card
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Abstract
The invention relates to a substation for detecting the position of a coal mine underground person, which comprises a central processing unit, wherein the central processing unit is connected with a low-frequency signal transmitting module and a low-frequency signal receiving module; the low-frequency signal transmitting module is used for covering a card reading area with a 315MHz low-frequency signal, and an identifying card listens to a command of the detecting substation every four seconds; the low-frequency signal receiving module is used for receiving the low-frequency signal which is transmitted to the detecting substation by the identifying card entering the card reading area; the central processing unit is also connected with a high-frequency signal transmitting module and a high-frequency signal receiving module; the high-frequency signal transmitting module is used for transmitting a high-frequency signal with the size of 2.4G to the identifying card entering the card reading area; the high-frequency signal receiving module is used for receiving the high-frequency signal which is transmitted to the detecting substation by the identifying card; the central processing unit is used for verifying and confirming the number of the identifying card and also is connected with a memory for storing information which is transmitted to the detecting substation by the identifying card. The detecting substation can effectively monitor the position of an underground person.
Description
Technical field
The present invention relates to a kind of personnel positions measuring station, particularly relate to the mining equipment that a kind of use wireless radio-frequency is realized identification (RFID), can under dangerous operation environment such as colliery, be used as work attendance, position probing, identification.Belong to coal mine personnel safety management measure technical field.
Background technology
Colliery construction safety and personal management are the gerentocratic cardinal tasks in the special colliery of current coalman author, and position, zone, the quantity of coal miner under mine must accomplish to know what's what as the supvr.Coal mining accident is frequent in recent years, and most accidents colliery has at first run into this two hang-up of the band of position of adding up down-hole trapped number, statistics trapped personnel down-hole of living in when implementing rescue.
In order to solve information such as the position of miner under mine, zone, like product of the prior art, adopt the RFID technology technically mostly, based on existing detection substation, in the Card Reader mode is as the active code sender by the personal identification card, whether with a short time interval is the cycle, no matter detecting the substation signal coverage areas, all ceaselessly by high-frequency signal card number is sent; And detecting substation as a passive receiver, the card number that will receive in its range of receiving is made stores processor, sends to the ground monitoring main frame simultaneously, thereby realizes Card Reader and personal identification.This Card Reader mode causes identification card through detection substation signal coverage areas the time, detect and divide standing-meeting ceaselessly to receive the duplicate message that same identification card is sent, a large amount of redundant datas has taken more Card Reader time slot, and redundant data also will send to the ground monitoring main frame, cause the pressure of ground monitoring main frame to the data stores processor; When a large amount of identification cards pass through same detection substation simultaneously, the identification card that has been read continues and the identification card competition Card Reader time slot that is not read, and at same precise time, two overlapping card numbers when simultaneously detected substation receives will be considered misdata and not deal with, and cause bigger skip, the possibility of misreading.Here it is, and there is defective in the existing communication mode that detects between substation and the personal identification card, causes detection substation Card Reader inaccurate, and concurrent quantity is few, and the skip situation is serious.
Summary of the invention
The objective of the invention is to overcome above-mentioned the deficiencies in the prior art, provide a kind of use wireless radio-frequency to realize the substation for detecting position of coal mine underground person of identification (RFID).Solve problems such as coal mine personnel work attendance, the regional position monitoring of personnel in the pit, the demographics of going into the well and the control of underground work time.
Substation for detecting position of coal mine underground person of the present invention is achieved through the following technical solutions:
Substation for detecting position of coal mine underground person of the present invention, comprise identification card, described detection substation comprises the central processing unit that is connected with low frequency signal transmitter module and low frequency signal receiver module by by signal wire, described low frequency signal transmitter module is used for the identification card zone is read in the covering of 315MHz low frequency signal, the instruction that the low frequency signal transmitter module of one-time detection substation is sent was listened at the every interval of described identification card in 4 seconds, described low frequency signal receiver module is used to receive the identification card that enters in the Card Reader zone and is sent to the low frequency signal that detects substation, described central processing unit also is connected with high-frequency signal transmitter module and high-frequency signal receiver module by signal wire, described high-frequency signal transmitter module is used for to entering the high-frequency signal that the identification card of reading in the identification card zone sends 2.4G, described high-frequency signal receiver module is used to receive the identification card that enters the Card Reader zone and beams back the high-frequency signal that detects substation, described central processing unit is used for the identification card card number that enters in the Card Reader zone is done verification, confirm, described central processing unit also be used to store identification card and beam back the storer of the information that detects substation and be connected.
And described central processing unit is connected with host computer by 484 data buss, data transmission interface, and described host computer is used for reading the identification card information that the storer of detection substation stores and also this information is presented at display screen.
And when described identification card enters the Card Reader zone, the 2.4G high-frequency signal transmitter module that is connected with described central processing unit sends to identification card confirms that instruction, the high-frequency signal receiver module that is connected with described central processing unit receive the affirmation that enters the identification card in the Card Reader zone and reply.
And the described identification card that enters the Card Reader zone sends communication request to detecting substation, the low frequency signal receiver module that is connected with described central processing unit receives the communication request of this identification card, and set up and communicate by letter, described central processing unit distributes the Card Reader time slot for this identification card, and opens the card instruction to this identification card transmission.
And described identification card receive from described detection substation send open card instruction after, beam back the identification card card number to detecting substation.
And described central processing unit carries out verification after receiving the identification card card number, and described storer is handled, and confirms that the information completely of card number and Card Reader finish the back and detect substation and send outpost of the tax office to this identification card and instruct.
And after described identification card receives the outpost of the tax office instruction that detects substation, entering the 25-35 dormancy of second, dormancy finishes the described identification card in back and reenters new round repeating query at interval in per 4 seconds and listen instruction fetch.
Substation for detecting position of coal mine underground person of the present invention has following advantage with respect to prior art:
1, the present invention substation for detecting position of coal mine underground person as an equipment that initiatively obtains card number, with be carried at coal mine down-hole personnel identification card on one's body and at first utilize low frequency signal to carry out once " shaking hands " before communicating by letter setting up, when confirming that both sides can realize high-frequency signal communication, in certain time slot, open the card instruction again to the identification card transmission, allow identification card send card number information with high-frequency signal, receive misdata or data are handled failure if detect substation this moment, then do not send outpost of the tax office instruction, identification card continues to send card number information, errorless and when finishing Card Reader until detecting the substation confirmation, just send outpost of the tax office instruction to identification card, make identification card enter dormant state, and no longer send card number information in 30 seconds to detecting substation.Like this, use and detect beginning and the end that substation comes ACTIVE CONTROL Card Reader process, can guarantee to detect substation and receive the integrality of data, accuracy.
2, the Card Reader technology of substation for detecting position of coal mine underground person of the present invention is to detect substation can at first preset identification card information card number scope, be that identification card in each scope distributes a Card Reader time slot then in fixing repeating query time, in this time slot, detect substation and open the card instruction to the identification card transmission, receive the information of specifying identification card simultaneously, send outpost of the tax office instruction to identification card after confirming to finish Card Reader, make identification card enter dormant state and the no longer past substation transmission redundant data that detects, the identification card information that has read will no longer repeat to send, alleviate and detect substation stores processor pressure, and prevent that mass of redundancy data from causing the identification card information collision and skip, misread.On this basis, make that detecting the interior concurrent number of same time Card Reader of substation signal cover is greatly improved.
3, substation for detecting position of coal mine underground person of the present invention is simple in structure, and is with low cost, and reliable communications can be grasped the situation of coal mine down-hole personnel, for good basis has been established in the safety in production of coal mine down-hole personnel comprehensively.
Description of drawings
Fig. 1 is a substation for detecting position of coal mine underground person module connection diagram of the present invention;
Embodiment
Understand technical scheme of the present invention for one of ordinary skill in the art can be known, existing the invention will be further described in conjunction with the accompanying drawings:
Substation for detecting position of coal mine underground person of the present invention, comprise identification card 7, detect substation and comprise the central processing unit 1 that is connected with low frequency signal transmitter module 4 and low frequency signal receiver module 3 by by signal wire, low frequency signal transmitter module 4 is used for the 315MHz low frequency signal is covered the Card Reader zone, the instruction that the low frequency signal transmitter module 4 of one-time detection substation is sent was listened at identification card 7 every intervals in 4 seconds, low frequency signal receiver module 3 is used to receive the identification card 7 that enters in the Card Reader zone and is sent to the low frequency signal that detects substation, central processing unit 1 also is connected with high-frequency signal transmitter module 5 and high-frequency signal receiver module 6 by signal wire, high-frequency signal transmitter module 5 is used for the high-frequency signal of the identification card 7 transmission 2.4G in entering the Card Reader zone, high-frequency signal receiver module 6 is used to receive the identification card 7 that enters the Card Reader zone and beams back the high-frequency signal that detects substation, central processing unit 1 is used for the card number that enters the identification card 7 in the Card Reader zone is done verification, confirm, central processing unit 1 also be used to store identification card and beam back the storer 2 of the information that detects substation and be connected.
Further, central processing unit 1 is connected with host computer 10 by 484 data buss 8, data transmission interface 9, and described host computer 10 is used for reading identification card 7 information of storer 2 storages that detect substation and this information is presented at display screen.
Further, when identification card 7 enters the Card Reader zone, the 2.4G high-frequency signal transmitter module 5 that is connected with central processing unit 1 sends to identification card 7 confirms instruction, and the high-frequency signal receiver module 6 that is connected with central processing unit 1 receives the affirmation that enters the identification card 7 in the Card Reader zone and replys.
Further, the described identification card 7 that enters the Card Reader zone sends communication request to detecting substation, the low frequency signal receiver module 3 that is connected with central processing unit 1 receives the communication request of this identification card, and set up and communicate by letter, central processing unit 1 is that this identification card 7 distributes the Card Reader time slot, and opens the card instruction to these identification card 7 transmissions.
Further, identification card 7 receive from described detection substation send open card instruction after, beam back the card number of identification card 7 to detecting substation.
Further, central processing unit 1 carries out verification after receiving the card number of identification card 7, and storer 2 is handled, and confirms that the information completely of card number and Card Reader finish the back and detect substation and send outposts of the tax office to this identification card 7 and instruct.
Further, identification card 7 enters the 25-35 dormancy of second after receiving the outpost of the tax office instruction that detects substation, and the described identification card 7 in dormancy end back reenters new round repeating query at interval in per 4 seconds and listens instruction fetch.
Central processing unit 1 connects a safety barrier 11, signal tandem device 12.
Specific embodiment 1: substation for detecting position of coal mine underground person of the present invention, as shown in Figure 1, the present invention is detecting substation as an equipment that initiatively obtains card number, detecting substation at first utilized low frequency signal to carry out once " shaking hands " with identification card 7 before foundation is communicated by letter, when confirming that both sides can realize high-frequency signal communication, open the card instruction by detecting to divide to stand in certain time slot to identification card 7 transmissions again, allow identification card 7 usefulness high-frequency signals send card number information, receive misdata or data are handled failure if detect substation this moment, then do not send outpost of the tax office instruction, identification card 7 continues to send card number information, errorless and when finishing Card Reader until detecting the substation confirmation, just send outpost of the tax office instruction, make identification card 7 enter dormant state, and no longer send card number information in 30 seconds to detecting substation to identification card 7.Like this, use and detect beginning and the end that substation comes ACTIVE CONTROL Card Reader process, can guarantee to detect substation and receive the integrality of data, accuracy.
Specific embodiment 2: the present invention can at first preset identification card information card number scope, be that identification card 7 in each scope distributes a Card Reader time slot then in fixing repeating query time, in this time slot, detect substation and open the card instruction to identification card 7 transmissions, receive the information of specifying identification card 7 simultaneously, send outpost of the tax office instruction to identification card 7 after confirming to finish Card Reader, make identification card 7 enter dormant state and no longer send redundant data to detecting substation, the identification card information that has read will no longer repeat to send, alleviate and detect substation stores processor pressure, and prevent that mass of redundancy data from causing identification card 7 information collisions and skip, misread.On this basis, make that detecting the interior concurrent number of same time Card Reader of substation signal cover is greatly improved.
Specific embodiment 3: the present invention adopts the repeating query mode to send data to host computer 10, when reading identification card 7 information, substation makes stores processor earlier when detecting, information is put in the storer 2 waits for that host computer 10 reads, host computer 10 is according to the default detection substation quantity of software, send reading command one by one, when the detection substation is received host computer 10 instructions, the data of current storage are sent to host computer 10, host computer 10 confirms that the correct also storage of data back sends correctly reading command of this identification card information to detecting substation, detect substation and receive the canned data deletion that correctly to have been read after the affirmation instruction, after finishing an information that detects substation and reading, the next substation that detects of host computer 10 repeating queries is done operation equally.When 8 network services of 484 buses are undesired, detect substation current data is left in the storer 2, and do not stop Card Reader communication work with identification card 7, after 484 buses 8 were normal, Cun Chu data can continue to be read by host computer 10 repeating queries always.
Suppose that it is the Card Reader scope that certain miner carries the coverage that identification card 10 enters the low frequency signal that detects substation, the detection substation reads this miner's identification card information automatically and this is stored in the storer 2 that detects substation, wait for host computer 10 callings then, when host computer 10 repeating queries detect substation to this, read identification card 7 information of reservoir 2 storages of this detection substation, and on host computer 10 monitoring softwares, correctly show the relevant information of this identification card.
Claims (7)
1. substation for detecting position of coal mine underground person of the present invention, comprise identification card (7), it is characterized in that, described detection substation comprises the central processing unit (1) that is connected with low frequency signal transmitter module (4) and low frequency signal receiver module (3) by by signal wire, described low frequency signal transmitter module (4) is used for the 315MHz low frequency signal is covered the Card Reader zone, the instruction that the low frequency signal transmitter module (4) of one-time detection substation is sent was listened at the every interval of described identification card (7) in 4 seconds, described low frequency signal receiver module (3) is used to receive the identification card (7) that enters in the Card Reader zone and is sent to the low frequency signal that detects substation, described central processing unit (1) also is connected with high-frequency signal transmitter module (5) and high-frequency signal receiver module (6) by signal wire, described high-frequency signal transmitter module (5) is used for the high-frequency signal of the identification card transmission 2.4G in entering the Card Reader zone, described high-frequency signal receiver module (6) is used to receive the identification card (7) that enters the Card Reader zone and beams back the high-frequency signal that detects substation, described central processing unit (1) is used for the card number that enters the identification card (7) in the Card Reader zone is done verification, confirm, described central processing unit (1) also be used to store identification card (7) and beam back the storer (2) of the information that detects substation and be connected.
2. substation for detecting position of coal mine underground person according to claim 1, it is characterized in that, described central processing unit (1) is connected with host computer (10) by 484 data buss (8), data transmission interface (9), and described host computer (10) is used for reading identification card (7) information of storer (2) storage that detects substation and this information is presented at display screen.
3. substation for detecting position of coal mine underground person according to claim 1, it is characterized in that, when described identification card (7) enters the Card Reader zone, the 2.4G high-frequency signal transmitter module (5) that is connected with described central processing unit (1) sends to identification card (7) confirms that instruction, the high-frequency signal receiver module (6) that is connected with described central processing unit (1) receive the affirmation that enters the identification card (7) in the Card Reader zone and reply.
4. substation for detecting position of coal mine underground person according to claim 1, it is characterized in that, the described identification card (7) that enters the Card Reader zone sends communication request to detecting substation, the low frequency signal receiver module (3) that is connected with described central processing unit (1) receives the communication request of this identification card (7), and set up and communicate by letter, described central processing unit (1) is that this identification card (7) distributes the Card Reader time slot, and opens the card instruction to this identification card (7) transmission.
5. substation for detecting position of coal mine underground person according to claim 4 is characterized in that, described identification card (7) receive from described detection substation send open card instruction after, beam back the identification card card number to detecting substation.
6. substation for detecting position of coal mine underground person according to claim 1, it is characterized in that, described central processing unit (1) carries out verification after receiving the card number of identification card (7), described storer (2) is handled, and detects substation after the information completely of affirmation card number and Card Reader are finished and sends outpost of the tax office instruction to this identification card (7).
7. substation for detecting position of coal mine underground person according to claim 1, it is characterized in that, described identification card (7) enters the 25-35 dormancy of second after receiving the outpost of the tax office instruction that detects substation, and the described identification card in dormancy end back reenters new round repeating query at interval in per 4 seconds and listens instruction fetch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102260120A CN101738613B (en) | 2008-11-04 | 2008-11-04 | Substation for detecting position of coal mine underground person |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008102260120A CN101738613B (en) | 2008-11-04 | 2008-11-04 | Substation for detecting position of coal mine underground person |
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| CN101738613A true CN101738613A (en) | 2010-06-16 |
| CN101738613B CN101738613B (en) | 2012-04-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2008102260120A Expired - Fee Related CN101738613B (en) | 2008-11-04 | 2008-11-04 | Substation for detecting position of coal mine underground person |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102799921A (en) * | 2011-05-27 | 2012-11-28 | 深圳市数智国兴信息科技有限公司 | Multifunctional intelligent card with mobile communication function and multifunctional intelligent card-based mobile communication device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111005765B (en) * | 2019-12-31 | 2021-06-11 | 重庆菲莫科技有限公司 | Underground coal mine data transmission method and system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2871852Y (en) * | 2006-04-25 | 2007-02-21 | 张红彬 | Mine comprehensive information system under well based on Zigbee technology wireless network |
| CN101122242B (en) * | 2007-03-21 | 2011-01-05 | 株洲大成测控技术有限公司 | Mine down-hole visual positioning and multifunctional safety monitoring network system |
| CN101201890A (en) * | 2007-08-14 | 2008-06-18 | 北京爱心无限医疗技术开发有限公司 | Wireless intelligent management system for managerial personnel vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102799921A (en) * | 2011-05-27 | 2012-11-28 | 深圳市数智国兴信息科技有限公司 | Multifunctional intelligent card with mobile communication function and multifunctional intelligent card-based mobile communication device |
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| CN101738613B (en) | 2012-04-11 |
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Granted publication date: 20120411 Termination date: 20121104 |