CN202818621U - Underground positioning system using TOF technology principle based on Zigbee - Google Patents
Underground positioning system using TOF technology principle based on Zigbee Download PDFInfo
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- CN202818621U CN202818621U CN 201220298465 CN201220298465U CN202818621U CN 202818621 U CN202818621 U CN 202818621U CN 201220298465 CN201220298465 CN 201220298465 CN 201220298465 U CN201220298465 U CN 201220298465U CN 202818621 U CN202818621 U CN 202818621U
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Abstract
The utility model relates to the wireless technical field for sensing mine Internet of things inside, more specifically relates to an underground positioning system using the TOF technology principle based on Zigbee. The underground positioning system is most characterized in that: the positioning is accurate, intelligent and convenient. Currently, a personnel positioning system applied in the market mainly uses the RSSI principle of the Zigbee technology to position the underground personnel, thus the positioning technical error range of the existing positioning system is large, and only the regional positioning function can be achieved, thus once accident occurs underground, only the region of the underground personnel in distress can be determined, but the specific position can not be determined, thereby delaying the rescue time. The underground positioning system using the TOF technology principle based on Zigbee comprises a positioning card, a positioning base station, a transmission substation, an optical fiber ring network, a management platform, and an R485 communication lines, which are connected in sequence. The utility model is suitable for positioning the underground personnel.
Description
Technical field
The utility model relates to the wireless technical field in the middle of the Internet of Things of perception mine, in particular, relates to a kind of downhole positioning system of the TOF know-why based on Zigbee.
Background technology
According to the requirement of national Administration of Work Safety Supervision, underground operators reaches the above bargh of 30 people simultaneously must build downhole positioning system, monitoring and controlling system, channel of communication, compressed-air self-help system, the system that sues and labours that supplies water, this six large system of urgent danger prevention system.Downhole positioning system is one of system that preferentially will build in the middle of the six large systems, downhole positioning system is to solve present mine below operating personnel's particular location, be in advance early warning and save oneself afterwards accurate personnel positions data are provided of mine, for win rescue time afterwards, it also is the important ring in the middle of the Internet of Things perception mine.
The personnel location system that existing market is applied to the down-hole mainly adopts RSSI (received signal strength indicator) principle of ZigBee technology to carry out personnel in the pit's location, this location technology error range is large, for colliery and the different error ranges of non-matchmaker's mine down-hole scope of operation at 20-100 rice, on the location, can only reach the function of zone location, in a single day accident appears in the down-hole like this, can only determine that the down-hole distress personnel in a certain zone, delayed the accident rescue time.
And the TOF(signal flight time of Zigbee) know-why has been applied to the accurate location of having realized underground operators in the personnel in the pit location.According to the difference of underground work face, the position error scope is at 1-3 rice.Strengthened the accuracy of location, down-hole, saved rescue time, thereby can in time save victim's life.
Therefore the downhole positioning system that designs a kind of TOF know-why based on Zigbee necessitates.
The utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provide a kind of measurement and positioning precision higher, the downhole positioning system based on the TOF know-why of Zigbee that automaticity is high, its maximum characteristics are the position coordinateses that can locate accurately the underground work personnel, and the effectively reliable locating information of real-time Transmission is to aboveground administrative center.
The purpose of this utility model is to be achieved by following technical proposals:
A kind of downhole positioning system of the TOF know-why based on Zigbee comprises locator card, locating base station, and the transmission substation, optical fiber ring network, management platform, described locator card is signal source; Described locating base station receives signal source information, and connects the transmission substation; Described transmission substation is given management platform communication by optical fiber ring network; Described locating base station is divided into location extension station and positioning master station, and interconnects.
Technique scheme is done further to improve, it is characterized in that, described location extension station and positioning master station are provided with the radio frequency reception antenna, and place mine inner, the benefit of this programme is Embedded mine inside to be put in the base station, effectively arrange signal coverage areas, allow the underground work personnel be at any time the signal detection scope, utilize personnel to locate constantly.
Technique scheme is done further to improve, it is characterized in that, described locator card comprises wireless Zigbee module, the CPU control module, vital sign monitoring modular and power supply, described power supply is built-in lithium battery, described Zigbee module connects the CPU control module, described CPU control module connects the vital sign monitoring modular, the benefit of this programme is to be provided with the built-in power power supply, CPU control module and vital sign monitoring modular are set, so that locator card itself not only has the transmission coordinate signal, the ability that also has Automatic analysis staff vital sign reaches intelligent effect, so that the automaticity of whole system effectively improves.
Technique scheme is done further to improve, it is characterized in that, described management platform is the main PC of processing, and installation personnel orientation management software, the benefit of this programme is to utilize the real-time particular location coordinate with the personnel in the pit of Information locating management software of PC to show, and convenient aboveground administrative staff monitor the situation of down-hole at any time.
The utility model purpose is to use above-mentioned TOF know-why based on Zigbee, in the space, down-hole of a sealing, finish the base station to the fusion of extraneous supplementary, and be not only fusion, but the again application after merging.
For finishing above-mentioned utility model purpose, the utility model provides a kind of application process of the downhole positioning system for the TOF know-why based on Zigbee claimed in claim 1, it is characterized in that, may further comprise the steps:
A, sharp with the relevant true reference information of wireless Zigbee module acquisition;
B, CPU control module obtain correlation measurement information;
C, the information of A step and the information of B step are compared, calculate internodal distance.
D, utilize optical fiber ring network to transfer data to the transmission substation, and be sent to the main PC of processing by the transmission substation.
E, repetition A go on foot to D.
Said method is done further refinement, in the A step, described Zigbee module is a kind of wireless communication module, and be connected with the CPU control module, process in real time, gather and send staff's coordinate signal, in the B step, the CPU control module obtains correlation measurement information and refers to: staff's vital sign status data, and by measuring the orientation distance value of calculating.
Said method is done further refinement, the computational methods that form euclidean distance between node pair in the C step are: when T OF finds range, local node A sends a packet to remote node B, when the B node is received packet, can automatically send an affirmation and respond this packet.Node A measures from sending packet to the time of confirmation of receipt, and this section consumption is designated as the TT OT time total time; B has recorded B from receiving that packet to the time that B responds this time period of acknowledge message, is designated as TT AT.Be exactly the two-way time that both sides' packet is awing spent with deducting turnaround time TT AT T TOT total time, be designated as the TRTT time.Suppose the two-way time that the flight time TTO F that occurs in each direction equals 50%, suc as formula shown in: TTOF=TRTT/2=(TTOT-TTAT)/2
After calculating TT OF, (T represents T TOF according to D=T c; C represents the light velocity, is 3 * 108 ms-1) can calculate internodal distance.
Description of drawings
Fig. 1 is message processing flow figure of the present utility model.
Among Fig. 1: locator card 1, wireless Zigbee module 1-1, CPU control module 1-2, vital sign monitoring modular 1-3, power supply 1-4, location extension station 2, R485 order wire 3, positioning master station 4, optical fiber ring network 5, transmission substation 6, the main PC 7 of processing.
Embodiment
The personnel location system that existing market is applied to the down-hole mainly adopts RSSI (received signal strength indicator) principle of ZigBee technology to carry out personnel in the pit's location, this location technology error range is large, for colliery and the different error ranges of non-matchmaker's mine down-hole scope of operation at 20-100 rice, on the location, can only reach the function of zone location, in a single day accident appears in the down-hole like this, can only determine that the down-hole distress personnel in a certain zone, delayed the accident rescue time.
And the TOF(signal flight time of Zigbee) know-why has been applied to the accurate location of having realized underground operators in the personnel in the pit location.According to the difference of underground work face, the position error scope is at 1-3 rice.Strengthened the accuracy of location, down-hole, saved rescue time, thereby can in time save victim's life.
For more clearly understanding implementation method of the present utility model and application, be further elaborated of the present utility model below in conjunction with accompanying drawing.
Specific embodiment 1:
As shown in Figure 1, this figure is based on the downhole positioning system message processing flow figure of the TOF know-why of Zigbee, a kind of downhole positioning system of the TOF know-why based on Zigbee comprises locator card 1, locating base station, transmission substation 6, optical fiber ring network 5, management platform, R485 order wire 3, described locating base station receives signal source information, and connects transmission substation 6 by R485 order wire 3; Described transmission substation 6 is given management platform communication by optical fiber ring network 5; Described locating base station is divided into location extension station 2 and positioning master station 4, and interconnects by R485 order wire 3; Described locator card 1 is signal source, comprises wireless Zigbee module 1-1, CPU control module 1-2, vital sign monitoring modular 1-3 and power supply 1-4; Described Zigbee module 1-1 connects CPU control module 1-2, described CPU control module 1-2 connects vital sign monitoring modular 1-3, described location extension station 2 and positioning master station 4 are provided with radio frequency reception antenna 8, and place mine inner, and described management platform is the main PC 7 of processing.
In order to reach above-mentioned adjustment on the real meaning, also need to have corresponding method to cooperate, and corresponding computing formula adapt with it.
A kind of downhole positioning system application process for the TOF know-why based on Zigbee claimed in claim 1 may further comprise the steps:
A, sharp with the relevant true reference information of wireless Zigbee module acquisition;
B, CPU control module obtain correlation measurement information;
Described Zigbee module is a kind of wireless communication module, and be connected with the CPU control module, process in real time, gather and send staff's coordinate signal, in the B step, the CPU control module obtains correlation measurement information and refers to: staff's vital sign status data, and by measuring the orientation distance value of calculating.
C, the information of A step and the information of B step are compared, calculate internodal distance.
The computational methods that form euclidean distance between node pair in the C step are: when T OF found range, local node A sent a packet to remote node B, when the B node is received packet, can automatically send an affirmation and respond this packet.Node A measures from sending packet to the time of confirmation of receipt, and this section consumption is designated as the TT OT time total time; B has recorded B from receiving that packet to the time that B responds this time period of acknowledge message, is designated as TT AT.Be exactly the two-way time that both sides' packet is awing spent with deducting turnaround time TT AT T TOT total time, be designated as the TRTT time.Suppose the two-way time that the flight time TTO F that occurs in each direction equals 50%, suc as formula shown in: TTOF=TRTT/2=(TTOT-TTAT)/2
After calculating TT OF, (T represents T TOF according to D=T c; C represents the light velocity, is 3 * 108 ms-1) can calculate internodal distance.
D, utilize optical fiber ring network to transfer data to the transmission substation, and be sent to the main PC of processing by the transmission substation.
E, repetition A go on foot to D.
Claims (3)
1. the downhole positioning system based on the TOF know-why of Zigbee comprises locator card, locating base station, the transmission substation, optical fiber ring network, management platform, the R485 order wire, described locating base station receives signal source information, and connects the transmission substation by the R485 order wire; Described transmission substation is given management platform communication by optical fiber ring network; It is characterized in that described locating base station is divided into location extension station and positioning master station, and interconnect by the R485 order wire; Described locator card is signal source, comprises wireless Zigbee module, CPU control module, vital sign monitoring modular and power supply; Described Zigbee module connects the CPU control module, and described CPU control module connects the vital sign monitoring modular.
2. the downhole positioning system of a kind of TOF know-why based on Zigbee according to claim 1 is characterized in that described location extension station and positioning master station are provided with the radio frequency reception antenna, and places mine inner.
3. the downhole positioning system of a kind of TOF know-why based on Zigbee according to claim 3 is characterized in that described power supply is built-in lithium battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220298465 CN202818621U (en) | 2012-06-25 | 2012-06-25 | Underground positioning system using TOF technology principle based on Zigbee |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220298465 CN202818621U (en) | 2012-06-25 | 2012-06-25 | Underground positioning system using TOF technology principle based on Zigbee |
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| CN202818621U true CN202818621U (en) | 2013-03-20 |
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| CN 201220298465 Expired - Fee Related CN202818621U (en) | 2012-06-25 | 2012-06-25 | Underground positioning system using TOF technology principle based on Zigbee |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104331942A (en) * | 2014-09-26 | 2015-02-04 | 深圳市翌日科技有限公司 | Miner card-swiping analytic system |
| CN105472566A (en) * | 2015-12-30 | 2016-04-06 | 深圳市讯方技术股份有限公司 | Indoor positioning system and method |
| CN107146021A (en) * | 2017-05-05 | 2017-09-08 | 江苏三恒科技股份有限公司 | A kind of mine personnel of MANET formula and vehicle management system and method |
| CN107172696A (en) * | 2017-06-20 | 2017-09-15 | 深圳市翌日科技有限公司 | A kind of TOF one-dimensional positionings base station and localization method |
| CN111586838A (en) * | 2020-05-21 | 2020-08-25 | 中煤科工集团重庆研究院有限公司 | Underground accurate positioning method for coal mine |
| CN112567581A (en) * | 2018-08-30 | 2021-03-26 | 日本电气株式会社 | Telegraph pole position specifying system, telegraph pole position specifying device, telegraph pole position specifying method, and non-transitory computer readable medium |
-
2012
- 2012-06-25 CN CN 201220298465 patent/CN202818621U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104331942A (en) * | 2014-09-26 | 2015-02-04 | 深圳市翌日科技有限公司 | Miner card-swiping analytic system |
| CN105472566A (en) * | 2015-12-30 | 2016-04-06 | 深圳市讯方技术股份有限公司 | Indoor positioning system and method |
| CN107146021A (en) * | 2017-05-05 | 2017-09-08 | 江苏三恒科技股份有限公司 | A kind of mine personnel of MANET formula and vehicle management system and method |
| CN107172696A (en) * | 2017-06-20 | 2017-09-15 | 深圳市翌日科技有限公司 | A kind of TOF one-dimensional positionings base station and localization method |
| CN107172696B (en) * | 2017-06-20 | 2020-06-16 | 深圳市翌日科技有限公司 | Positioning method executed by TOF one-dimensional positioning base station |
| CN112567581A (en) * | 2018-08-30 | 2021-03-26 | 日本电气株式会社 | Telegraph pole position specifying system, telegraph pole position specifying device, telegraph pole position specifying method, and non-transitory computer readable medium |
| US11747175B2 (en) | 2018-08-30 | 2023-09-05 | Nec Corporation | Utility pole location specifying system, utility pole location specifying apparatus, utility pole location specifying method, and non-transitory computer readable medium |
| CN111586838A (en) * | 2020-05-21 | 2020-08-25 | 中煤科工集团重庆研究院有限公司 | Underground accurate positioning method for coal mine |
| CN111586838B (en) * | 2020-05-21 | 2021-12-24 | 中煤科工集团重庆研究院有限公司 | Underground accurate positioning method for coal mine |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130320 Termination date: 20210625 |
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| CF01 | Termination of patent right due to non-payment of annual fee |