CN209526889U - A kind of underground monitoring positioning system - Google Patents
A kind of underground monitoring positioning system Download PDFInfo
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- CN209526889U CN209526889U CN201920666484.1U CN201920666484U CN209526889U CN 209526889 U CN209526889 U CN 209526889U CN 201920666484 U CN201920666484 U CN 201920666484U CN 209526889 U CN209526889 U CN 209526889U
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- destination node
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Abstract
The utility model discloses the underground monitoring positioning systems based on wireless sensor network a kind of in mine communication and safety in production field, which includes: ground monitoring system, position computer, optical fiber, interchanger, bus, gateway, reference mode, destination node.Space characteristic of the monitoring and positioning system based on mine laneway realizes the accurate positioning of underground target in conjunction with a small amount of reference mode by destination node RSS characteristic signal and ultrasonic measuring distance technology, meanwhile, reference mode is to CO content, O in surrounding enviroment2Content and temperature are monitored, and when underground work personnel need to seek help, can be communicated by neighbouring reference mode with ground monitoring system.
Description
Technical field
The utility model belongs to mine communication and safety in production field, and it is fixed to be related to a kind of underground based on wireless sensor network
Position system.
Background technique
Target positioning in underground is an important content of underground coal mine research topic, and personnel in the pit's safety, equipment are pacified
It sets and is of great significance.Underground object localization method multiplicity, certain methods are based on ranging, wherein common two kinds of ranging sides
Formula: one is the distance measuring methods based on detection received signal strength (Received Signal Strength, RSS)；It is another
It is based on transmission arrival time (Time of Arrival, TOA) and reaching time-difference (Time Difference of
Arrival, TDOA) distance measuring method.It is such as the characteristic fingerprint library based on non-ranging additionally, there are certain methods.
The positioning of underground target is carried out, needs to lay a large amount of reference modes in tunnel, for detecting target and by target-like
State information is transmitted to position computer, and position computer determines target position according to the target status information received.However mine
Communication network bandwidth is limited and transmission process in there are time delay, these factors generate negative influence to the real-time of positioning.
For this purpose, simplifying volume of transmitted data, simplify the algorithm complexity of position computer, for weight outside the target positioning lattice of underground
It wants.
Utility model content
Based on underworkings space characteristic, it is high that the utility model proposes a kind of positioning accuracies, the few well of reference mode quantity
Lower monitoring and positioning system.The monitoring and positioning system is by destination node RSS characteristic signal and ultrasonic measuring distance technology, in conjunction with few
The reference mode of amount realizes the accurate positioning of underground target, meanwhile, reference mode is to CO content, O in surrounding enviroment2Content and temperature
Degree is detected.
The monitoring and positioning system is a kind of downhole positioning system based on wireless sensor network, the system comprises: ground
Face monitoring system, position computer, optical fiber, interchanger, bus, gateway, reference mode, destination node.
The reference mode is arranged in wall top, reference mode for receive destination node RSS characteristic signal and when
Between difference data and be packaged as destination node information, the wireless communication of destination node and reference mode is assisted using IEEE 802.15.4
View, destination node information is sent to neighboring reference node or gateway by reference mode, using electromagnetic wave as communication media, using IEEE
The agreements such as 802.15.4.Each reference mode can receive the destination node information of neighboring reference node transmission and be forwarded to phase
Another adjacent reference mode, relay forward destination node information to gateway.
The time difference data refers to that destination node is periodically to tunnel wall emission ultrasonic wave, ultrasonic signal in this system
Wall back reflection is being encountered, destination node receives the ultrasonic wave of reflection, record transmitting and received time difference and is sent to ginseng
Examine node.
The gateway is laid at the endpoint of tunnel one end, and the distance of guarantee gateway and closest reference mode is in the two
In the range of wireless communication.
The gateway is connected by bus with interchanger, and the destination node information received is sent to interchanger by gateway.
The interchanger is connected with gateway and position computer, and it is concurrent that interchanger receives the destination node information that gateway is sent
It send to position computer, interchanger is connected with position computer by optical fiber.
The position computer is connected with interchanger and ground monitoring system, the destination node sent for processing switch
Information determines destination node location, and location information is sent to ground monitoring system by optical fiber.
The ground monitoring system is made of multiple stage computers and server, is responsible for monitoring underground work personnel location information
With region CO content each under voice communication, monitoring well, O2Content and temperature.
Further, the destination node includes processor, memory, electromagnetic wave transmitter, ultrasonic transmitter-receiver, buzzing
Device, sensor module, power supply.Identification code is deposited in memory, the corresponding identification code of each destination node, identification code with take
Personnel identity or device name with destination node are corresponding.
Further, the destination node uses mine anti-explosion shell, is fixed on underground work personnel safety cap, or solid
It is scheduled on underground work personnel's loins, or is fixed in equipment.
Further, the reference mode includes processor, memory, electromagnetic wave transceiver, sensor module, buzzing
Device, alarm device, voice communications module, power supply.
Further, the monitoring and positioning system installs multiple reference modes in tunnel, and interlaced arrangement is in lane at equal intervals
Road two sides guarantee that tunnel is completely covered, and guarantee network connectivty.The reference mode is fixed in the wall of two sides
Portion is highly set as apart from 2 meters of ground, using mine anti-explosion shell.
Further, the gateway is connected by CAN bus or RS-485 bus with interchanger, realizes data between the two
Transmission.
Further, the position computer is by fingerprint base capture card, processor, memory, network communication module, electricity
Source, optical fiber interface composition, are placed on well.Position computer according to fingerprint base capture card and the destination node information that receives,
It determines destination node location, and is uploaded to ground monitoring system.
The beneficial effects of the present invention are:
1) non-ranging method is taken, determines destination node longitudinal coordinate, improves the robustness and accuracy of positioning system,
It is provided safeguard for underground work personnel safety operation.
2) destination node lateral coordinates are determined to the distance of wall using ultrasonic measuring distance technology measurement destination node,
Ultrasonic measuring distance technology is suitable for short distance, and range performance is good.
Detailed description of the invention
Fig. 1 is monitoring and positioning system composition block diagram described in the utility model
Fig. 2 is monitoring and positioning system destination node hardware schematic described in the utility model
Fig. 3 is monitoring and positioning system reference mode hardware schematic figure described in the utility model
Fig. 4 is monitoring and positioning system position computer hardware schematic described in the utility model
Fig. 5 is the deployment of tunnel reference mode and the fingerprint base sampled point simulation drawing of monitoring and positioning system described in the utility model
Fig. 6 is the coordinate plane figure of monitoring and positioning system described in the utility model
Specific embodiment
In order to keep content and the advantage of technical solutions of the utility model more clear, below in conjunction with attached drawing, to this reality
It is described in further detail with novel.
Fig. 1 is the monitoring and positioning system composition block diagram, including ground monitoring system (1), position computer (2), optical fiber
(3), interchanger (4), bus (5), gateway (6), reference mode (7), destination node (8).Involved underground equipment is
Intrinsic safety type equipment, wherein destination node (8) is carried by personnel in the pit or equipment.
As shown in Figure 1, the monitoring and positioning system workflow is as follows: reference mode (7) is arranged on underworkings wall
Portion, receive destination node (8) transmitting signal strength and time difference data simultaneously be packaged as destination node information, by gateway (6),
Bus (5), interchanger (4), optical fiber (3) are uploaded to position computer (2), position computer (2) according to fingerprint base capture card with
The destination node information received, determines destination node location, and destination node location information is transmitted to ground by optical fiber (3)
Monitoring system (1) is for monitoring or serving upper layers application software.
Interchanger (4) is responsible for the data transmission of downhole communication equipment, receives the destination node information that gateway is sent, passes through light
Fine (3) are sent to position computer, have explosion-resistant enclosure, meet underground coal mine requirement of explosion proof.
Bus (5) is using the CAN bus or RS-485 bus for meeting underground coal mine requirement of explosion proof.
Gateway (6) include processor, memory, electromagnetic wave transceiver, power supply, bus interface, by bus (5) with exchange
Machine (4) is connected.
As shown in Fig. 2, the destination node is by processor (201), memory (202), electromagnetic wave transmitter (203), super
Sound wave transceiver (204), buzzer (205), sensor module (206), power supply (207) composition.Processor (201) controls it
The operation of his assembly of elements；Memory (202) is for storing data, and identification code is deposited in memory (202), each target section
The corresponding identification code of point, identification code are corresponding with the personnel identity or device name that carry destination node；Buzzer (205) is adopted
Use passive buzzer；Sensor module (206) is integrated with O2Sensor, CO sensor, temperature sensor, sensor module
(206) it is responsible for CO content, O in detection current region2Content and temperature, when CO content, O2When content or temperature anomaly, buzzer
(205) sounding reminding carries the personnel of destination node far from this region；Electromagnetic wave transmitter (203) is responsible for transmitting electromagnetic wave letter
Number；Ultrasonic transmitter-receiver (204) is responsible for transmitting and received ultrasonic signal；Power supply (207) is responsible for powering to each unit component；
The destination node processor (201) selects the CC2530 of TI company in the present embodiment, built-in module include: CPU and
The relevant module of memory, clock and the relevant module of power management and wireless signal transceiver module.It is with standard enhanced
8051CPU is core, is accessed there are three different memory access buses (SFR, DATA and CODE/XDATA) with the monocycle
SFR, DATA and main SRAM further include interrupt control unit, memory moderator, 8KB SRAM and memory block.Digital core and peripheral hardware
By the low poor voltage-stablizer power supply of a 1.8V, there is power management function, the long battery longevity using different powering modes may be implemented
The low-power consumption application operation of life.CC2530 provides the compatible wireless transceiver of an IEEE802.15.4, nuclear control simulation in RF
Wireless module, transmission power is adjustable, has high receiving sensitivity and interference free performance.
As shown in figure 3, the reference mode include processor (301), memory (302), electromagnetic wave transceiver (303),
Sensor module (304), buzzer (305), alarm device (306), voice communications module (307), power supply (308)；Processor
(301) operation of other assembly of elements is controlled；Memory (302) is for storing destination node information；Electromagnetic wave transceiver (303)
Electromagnetic wave for transmitting and receiving；Sensor module (304) is integrated with O2Sensor, CO sensor, temperature sensor, sensor
Module (304) is responsible for detection current region CO content, O2Content and temperature, using identical as destination node information (location data)
Transmission mode will test information and be uploaded to ground monitoring system, when detecting CO content, O2When content or temperature anomaly, buzzing
Device (305) sounding, alarm device (306) flashing remind underground work personnel far from this region；Buzzer (305) uses passive buzzing
Device；Alarm device (306) uses LED rotary caution light；Voice communications module (307) uses WT588D sequence of speech module, works as well
When lower staff needs to seek help, voice communication can be carried out with ground monitoring system by neighbouring reference mode, data pass
Defeated mode uses with destination node information (location data) identical transmission mode；Power supply (308) is responsible for giving each unit component
Power supply.The reference mode processor (301) selects the CC2530 of TI company in the present embodiment.
As shown in figure 4, the position computer by fingerprint base capture card (401), processor (402), memory (403),
Network communication module (404), power supply (405), optical fiber interface (406) composition, wherein fingerprint base capture card (401) is by core processing
Device and memory are constituted.Position computer processor (402) is using Texas Instruments company in the present embodiment
TMS320C6678 multicore fixed point and floating-point signal processor, TMS320C6678 are the microprocessors based on C66x kernel,
It is connect by 16 EMIF with memory (403), connects network communication module (404) by 16 BITBUS network modes, pass through
IIC-BUS interface is communicated with fingerprint base capture card (401)；Power supply (405) includes AC/DC Switching Power Supply, D/C voltage turn
It changes, it is to own in each module that AC/DC Switching Power Supply, which exports 5V direct current, and D/C voltage conversion is all made of MAX1724 power supply chip
Chip power supply；Network communication module (404) main chip uses DM9000, the singlechip Ethernet that DM9000 is completely integrated
Mac controller.Position computer is stored in fingerprint base capture card using acquisition RSS characteristic signal fingerprint base is preceding needed.
Fig. 5 is that the tunnel reference mode deployment of the monitoring and positioning system and RSS characteristic signal fingerprint base acquire simulation drawing,
The monitoring and positioning system installs multiple reference modes (501) in tunnel, guarantees that tunnel, fingerprint base acquisition is completely covered
Point (502) constitutes fingerprint base, deposits in center line in roadway and grid (solid line) intersection, the destination node RSS characteristic signal of acquisition
It is stored in fingerprint base capture card.
Fig. 6 show the destination node (601) for emitting ultrasonic wave.
Claims (3)
1. a kind of underground monitoring positioning system, it is characterised in that: the monitoring and positioning system is to be based on underworkings space characteristic,
By destination node RSS characteristic signal and ultrasonic measuring distance technology, the accurate of underground target is realized in conjunction with a small amount of reference mode
Positioning, meanwhile, reference mode is to CO content, O in surrounding enviroment2Content and temperature are detected；
The monitoring and positioning system includes: ground monitoring system, position computer, optical fiber, interchanger, bus, gateway, reference node
Point, destination node；
The reference mode is for receiving destination node RSS characteristic signal and time difference data and being packaged as destination node information hair
It send to gateway or neighboring reference node；
The time difference data refers to that destination node periodically to tunnel wall emission ultrasonic wave, meeting by ultrasonic signal in this system
To wall back reflection, destination node receives the ultrasonic wave of reflection, record transmitting and received time difference and is sent to reference node
Point；
The gateway is laid at the endpoint of tunnel one end, guarantees the distance between gateway and closest reference mode in the two nothing
In the range of line communication；
The gateway is connected by bus with interchanger, and the destination node information received is sent to interchanger by gateway；
The interchanger is connected with gateway and position computer, and interchanger receives the destination node information that gateway is sent and is sent to
Position computer, interchanger are connected with position computer by optical fiber；
The position computer determines destination node location according to fingerprint base capture card and the destination node information received, and
It is uploaded to ground monitoring system.
2. system according to claim 1, it is characterised in that: the destination node is sent out by processor, memory, electromagnetic wave
Emitter, ultrasonic transmitter-receiver, buzzer, sensor module, power supply composition；
The destination node uses mine anti-explosion shell, is fixed on underground work personnel safety cap, or be fixed on underground work
Personnel's loins, or be fixed in equipment；
The reference mode includes processor, memory, electromagnetic wave transceiver, sensor module, buzzer, alarm device, voice
Communication module, power supply；
Interlaced arrangement on two sides wall top guarantees that tunnel is completely covered the reference mode at equal intervals, and guarantees net
Network connectivity is highly set as apart from 2 meters of ground, using mine anti-explosion shell；
The position computer is by fingerprint base capture card, processor, memory, network communication module, power supply, optical fiber interface group
At being placed on well.
3. system according to claim 1, it is characterised in that: the reference mode is to CO content, O in surrounding enviroment2Content
It is detected with temperature, detection information is uploaded to ground monitoring system, when detecting CO content, O2When content or temperature anomaly,
Buzzer sounding, alarm device flashing remind underground work personnel far from this region；The reference mode includes voice communications module,
It is responsible for underground work personnel with ground monitoring system voice communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920666484.1U CN209526889U (en) | 2019-05-10 | 2019-05-10 | A kind of underground monitoring positioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920666484.1U CN209526889U (en) | 2019-05-10 | 2019-05-10 | A kind of underground monitoring positioning system |
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| Publication Number | Publication Date |
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| CN209526889U true CN209526889U (en) | 2019-10-22 |
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|---|---|---|---|
| CN201920666484.1U Expired - Fee Related CN209526889U (en) | 2019-05-10 | 2019-05-10 | A kind of underground monitoring positioning system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110049435A (en) * | 2019-05-10 | 2019-07-23 | 中国矿业大学(北京) | Underground location method based on compressed sensing RSS fingerprint base and ultrasonic wave |
| CN111860170A (en) * | 2020-06-19 | 2020-10-30 | 包头钢铁（集团）有限责任公司 | Safety protective clothing wearing detection system based on 5G and deep learning target detection |
-
2019
- 2019-05-10 CN CN201920666484.1U patent/CN209526889U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110049435A (en) * | 2019-05-10 | 2019-07-23 | 中国矿业大学(北京) | Underground location method based on compressed sensing RSS fingerprint base and ultrasonic wave |
| CN110049435B (en) * | 2019-05-10 | 2024-02-20 | 中国矿业大学(北京) | Underground positioning method based on compressed sensing RSS fingerprint library and ultrasonic waves |
| CN111860170A (en) * | 2020-06-19 | 2020-10-30 | 包头钢铁（集团）有限责任公司 | Safety protective clothing wearing detection system based on 5G and deep learning target detection |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191022 |