CN201915995U - Drilled hole probing system for life information - Google Patents
Drilled hole probing system for life information Download PDFInfo
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- CN201915995U CN201915995U CN2011200057919U CN201120005791U CN201915995U CN 201915995 U CN201915995 U CN 201915995U CN 2011200057919 U CN2011200057919 U CN 2011200057919U CN 201120005791 U CN201120005791 U CN 201120005791U CN 201915995 U CN201915995 U CN 201915995U
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Abstract
A drilled hole probing system for life information in a mine comprises an underground device and a ground device, wherein the underground device comprises a multimedia video network collecting module, a temperature measuring unit composed of a thermal resistor and a temperature transmitter, an underground infrared camera, a microphone, a first SDSL (symmetric digital subscriber line) data access module and a first intrinsic safe power supply; the underground infrared camera, the microphone, the first SDSL data access module and the temperature measuring unit are connected with the multimedia video network collecting module respectively; the ground device comprises a second SDSL data access module, a COFDM (coded orthogonal frequency division multiplexing) wireless transmission access module connected with the second SDSL data access module and a second intrinsic safe power supply; and the underground device is connected with the ground device through a twist-pair telephone line. The underground device is conveyed through the drilled hole into the mine after a disaster and transmits the life information in real-time to a ground rescue center.
Description
Technical field
The utility model relates to life-information and surveys and the communication technology particularly a kind of life-information bore detecting system that is used for mine.
Background technology
Production environment complexity, changeable, inclement condition under the coal mine, the rescue of the distress personnel after the colliery has an accident and detection are the keys of colliery emergency relief.Along with developing rapidly of mechanics of communication, computer technology and automatic control technology and wireless sensor network technology, the colliery emergency rescue technology is the inexorable trend of colliery development communication technologies to networking, intellectuality and the incorporate direction evolution of management control.
Because the extensive use of sensor network technique, make site plant intellectualities such as many sensors, executing agency, drive unit, with the transmission of just video and audio frequency and ambient parameter can being packed of a twisted pair telephone line, for life-detection system provides technical guarantee.Yet existing life detection technology is mainly used in surface structures, because the environment in colliery is very complicated, is used for the emergency communication mode on ground at present, and signal does not all cover the down-hole; The mobile radio system of all uses of ground all can't use in underground roadway.
Summary of the invention
Problem to be solved in the utility model provides a kind of life-information bore detecting system that is used for mine.
The technical scheme that addresses the above problem is: the life-information bore detecting system that is provided comprises downhole hardware and ground installation, temperature measuring unit, down-hole infrared video camera, microphone, a SDSL data AM access module and first intrinsic safety electric source that downhole hardware is formed by multimedia video network collection module, by thermal resistance and temperature transmitter are formed, and infrared video camera wherein, microphone, a SDSL data AM access module and temperature measuring unit are connected with multimedia video network collection module respectively; Ground installation is made up of the 2nd SDSL data AM access module, the AM access module of COFDM wireless transmission and second intrinsic safety electric source that are connected with the 2nd SDSL data AM access module; Adopt twisted pair telephone line to connect between said downhole hardware and the ground installation.
The back takes place and holes in desired location in disaster, the down-hole is delivered in the hole that downhole hardware passes through to be bored, infrared video camera is caught the down-hole image scene, temperature measuring unit collecting temperature signal, and the vision signal and the temperature signal that capture delivered to multimedia video network collection module (being the multimedia video webserver) together with the audio signal in the microphone, convert data signal to and compress, then signal is exported to a SDSL data AM access module (being SDSL circuit access device), data after the one SDSL data AM access module will be compressed send the 2nd SDSL data AM access module of ground installation by twisted pair telephone line to the form of IP bag, 485 interfaces and the AM access module of COFDM wireless transmission by gateway node at last is transferred to data the rescue command center by wireless network and 485 interfaces computer.
Time lag, information communication that the utility model has overcome traditional mine rescue aid freely do not reach many drawbacks such as decision-making difficulty, and the life-information in the time of can setting up the mine disaster relief is fast surveyed and emergency communication system.The utlity model has multi-media signals such as image, voice, temperature parameter takes in, detection, storage, demonstration and playback function, and can go deep into the unapproachable disaster area of dragerman, obtain the firsthand information, provide technical support for formulating effective disaster relief scheme, in order, in time and accurately provide assurance for mine rescue.The utility model can be offered help for safety management, accident control, the mine rescue in colliery, can provide technical support for the upgrading of mine underground communica tion equipment again.In addition, wire transmission distance of the present utility model can be up to 4Km (the mine degree of depth generally can not arrive 4Km), wireless transmission distance can reach 200 meters, multi-media signal can be by the quick Ethernet interface high-speed uploading of the 10M/100M self adaptation that computer provides, by the internet, make the related personnel be directly acquainted with down-hole information.
Description of drawings
Fig. 1 is a structure principle chart of the present utility model.
Fig. 2 is the theory diagram of the utility model intrinsic safety electric source.
Fig. 3 is the schematic diagram of the utility model intrinsic safety electric source holding circuit.
The specific embodiment
As shown in Figure 1, the utility model comprises downhole hardware 1 and ground installation 2.Downhole hardware 1 forms 15 by temperature measuring unit 10, infrared video camera 11, microphone 12, EYT-IP870 multi-media network video server (being the multi-media network video acquisition module) the 13, the one SDSL data AM access module 14 and first intrinsic safety electric source; Ground installation 2 forms 23 by the 2nd SDSL data AM access module 21, COFDM wireless transmission AM access module 22 and second intrinsic safety electric source; Adopt twisted pair telephone line 4 to connect between downhole hardware 1 and the ground installation 2.With high strength twisted pair telephone line 4 downhole hardware 1 is connected with ground installation 2 during use, connect the back downhole hardware and send into the down-hole by boring, infrared video camera 11 is caught the down-hole image scene automatically, and the vision signal that captures delivered to EYT-IP870 multi-media network video server 13 together with the temperature signal of audio signal in the microphone 12 and temperature measuring unit, EYT-IP870 multi-media network video server 13 is at first with the audio frequency of simulating, vision signal converts data signal to, adopt the MPEG-4 compress mode to carry out compressed encoding then, to look audio frequency and temperature digital signal and export a SDSL data AM access module 14 to, the modulation system of The data 2BIQ after the one SDSL data AM access module 14 will be compressed, send the 2nd SDSL data AM access module 21 of ground installation 2 to the form of IP bag by twisted pair telephone line 4, the 2nd SDSL data AM access module is transferred to computer 3 with data by gateway node 31 by the AM access module 22 of COFDM wireless transmission, for rescue provides the down-hole life-information.The wire transmission distance of this detection system can be up to 4Km (the mine degree of depth generally can not arrive 4Km), wireless transmission distance can reach 200 meters, multi-media signal can also can be directly acquainted with the down-hole information of bore position by the quick Ethernet interface high-speed uploading of the 10M/100M self adaptation that computer provides by the internet insider.
Intrinsic safety electric source of the present utility model as shown in Figure 2, it is made up of the battery pack 5 (lithium battery), current foldback circuit 6 and the DC/DC converter 7 that connect successively.
Fig. 3 has provided an example of intrinsic safety electric source current foldback circuit.The FET Q2 (model is SI4435) that triode Q1 that current foldback circuit is opened by nanosecond (model is 3906) and nanosecond are turn-offed constitutes; wherein the drain electrode of the FET Q2 that turn-offs by resistance (resistance R 1 and resistance R 2) and nanosecond of the base stage of the triode Q1 that opens of nanosecond links to each other; the source electrode of the FET Q2 that the emitter stage of the triode Q1 that nanosecond is opened and nanosecond are turn-offed links to each other, and the grid of the FET Q2 of nanosecond shutoff is connected on the divider resistance of the triode Q1 collector loop that nanosecond opens (promptly being connected between resistance R 3 and the resistance R 4).Between triode Q1 base stage and emitter stage, also be connected with capacitor C 1, disturb so that remove; The colelctor electrode of triode Q1 is by resistance R 3 and resistance R 4 ground connection.
Above-mentioned triode plays a part to monitor the power supply discharge current; in case this electric current surpasses the door threshold voltage of this triode in this triode and coupled ohmically pressure drop; this triode can be open-minded in nanosecond; collector potential uprises; make FET turn-off in the time in nanosecond; thereby reduce instantaneous short circuit sparking energy, realized eliminating the purpose of hidden peril of explosion and protection load.
When the load operate as normal, triode Q1 is in cut-off state, FET Q2 conducting, infrared video camera operate as normal; When camera breaks down or certain short circuit when causing electric current excessive, the base potential of triode Q1 is less than colelctor electrode, then triode Q1 conducting; because the dividing potential drop of resistance R 4; the grid voltage of FET Q2 is a high level, and FET Q2 nanosecond is turn-offed, and has so just protected load effectively.
Claims (4)
1. life-information bore detecting system, it is characterized in that comprising downhole hardware and ground installation, temperature measuring unit, down-hole infrared video camera, microphone, a SDSL data AM access module and first intrinsic safety electric source that downhole hardware is formed by multimedia video network collection module, by thermal resistance and temperature transmitter are formed, and infrared video camera wherein, microphone, a SDSL data AM access module and temperature measuring unit are connected with multimedia video network collection module respectively; Ground installation is made up of the 2nd SDSL data AM access module, the AM access module of COFDM wireless transmission and second intrinsic safety electric source that are connected with the 2nd SDSL data AM access module; Adopt twisted pair telephone line to connect between said downhole hardware and the ground installation.
2. life-information bore detecting according to claim 1 system is characterized in that multimedia video network collection module is an EYT-IP870 multi-media network video server.
3. life-information bore detecting according to claim 1 and 2 system is characterized in that intrinsic safety electric source is made up of the battery pack (5), current foldback circuit (6) and the DC/DC converter (7) that connect successively.
4. life-information bore detecting according to claim 3 system; it is characterized in that the FET (Q2) that triode (Q1) that said current foldback circuit is opened by nanosecond and nanosecond are turn-offed constitutes; wherein the drain electrode of the FET (Q2) that turn-offs by resistance and nanosecond of the base stage of the triode (Q1) opened of nanosecond links to each other; the source electrode of the FET (Q2) that the emitter stage of the triode that nanosecond is opened (Q1) and nanosecond are turn-offed links to each other, and the grid of the FET (Q2) of nanosecond shutoff is connected on the divider resistance of the triode collector loop that nanosecond opens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200057919U CN201915995U (en) | 2011-01-10 | 2011-01-10 | Drilled hole probing system for life information |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200057919U CN201915995U (en) | 2011-01-10 | 2011-01-10 | Drilled hole probing system for life information |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201915995U true CN201915995U (en) | 2011-08-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200057919U Expired - Lifetime CN201915995U (en) | 2011-01-10 | 2011-01-10 | Drilled hole probing system for life information |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201915995U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102128049A (en) * | 2011-01-10 | 2011-07-20 | 西安森兰科贸有限责任公司 | Life information drilling exploration system |
| CN105397817A (en) * | 2015-12-22 | 2016-03-16 | 山东鲁班机械科技有限公司 | Emergency rescue robot |
-
2011
- 2011-01-10 CN CN2011200057919U patent/CN201915995U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102128049A (en) * | 2011-01-10 | 2011-07-20 | 西安森兰科贸有限责任公司 | Life information drilling exploration system |
| CN105397817A (en) * | 2015-12-22 | 2016-03-16 | 山东鲁班机械科技有限公司 | Emergency rescue robot |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110803 |