CN104993874A - Visible light communication tunnel lamp used in mine pits - Google Patents
Visible light communication tunnel lamp used in mine pits Download PDFInfo
- Publication number
- CN104993874A CN104993874A CN201510487716.3A CN201510487716A CN104993874A CN 104993874 A CN104993874 A CN 104993874A CN 201510487716 A CN201510487716 A CN 201510487716A CN 104993874 A CN104993874 A CN 104993874A
- Authority
- CN
- China
- Prior art keywords
- signal
- telecommunication
- mine
- processor
- communication
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Optical Communication System (AREA)
Abstract
The invention discloses a visible light communication tunnel lamp used in mine pits. The visible light communication tunnel lamp comprises a processor, a visual light drive circuit and a power supply circuit. The power supply circuit is connected with the visible light drive circuit and the processor and provides power for the two; the processor receives a communication signal from a monitoring centre above the mine pit through a transmission line, performs modulation and demodulation on the communication signal to generate an electric signal, and transmits the generated signal to the visible light drive circuit connected with the processor; and the visible light drive circuit receives the electric signal, converts the electric signal into an optical signal, and transmits the optical signal to the mine pit through an LED lamp beads. The visible light communication tunnel lamp used in mine pits can improve the communication rate and communication accuracy of mine communication.
Description
Technical field
The present invention relates to mine communication technical field, particularly relate to a kind of visible light communication tunnel lamp being applied to mine.
Background technology
In prior art, mainly adopt the two-way communication intelligent information mine lamp based on WiFi for the communication under ore deposit, realized the information communication of Surveillance center on mine lamp and mine under mine by WiFi network.
But, based on the communication mode of WiFi network, because WiFi network has diffracting power difference, there is larger electromagnetic radiation, slow and the features such as instability of transmission speed, fire damp concentration is higher, tunnel is bending, particularly cave in accident time, network channel is easily blocked, and therefore uses WiFi network to there is certain risk and the precision of communication is not high.
Summary of the invention
The invention provides a kind of visible light communication tunnel lamp being applied to mine, the traffic rate of ore deposit underground communica tion and the precision that communicates can be improved.
The invention provides a kind of visible light communication tunnel lamp being applied to mine, comprising: processor, visible ray drive circuit and power-supplying circuit; Wherein:
Described power-supplying circuit provides power supply for coupled described visible ray drive circuit and processor;
Described processor receives by transmission line the signal of communication that on mine, Surveillance center sends, and carries out modulation /demodulation and generates the signal of telecommunication, and the signal of telecommunication of generation is sent to connected described visible ray drive circuit to described signal of communication;
Described visible ray drive circuit receives the described signal of telecommunication, changes the described signal of telecommunication into light signal, sends described light signal by LED lamp bead to mine.
Preferably, described tunnel lamp also comprises: infrared receiving circuit;
Described power-supplying circuit is connected with described infrared receiving circuit, for described infrared receiving circuit provides power supply;
Described infrared receiving circuit is connected with described processor, and the infrared signal that communication equipment under the mine received sends is sent to described processor;
After described processor carries out modulation /demodulation to described infrared signal, the infrared signal sent by communication equipment under described mine is by Surveillance center in transmission line to mine.
Preferably, described infrared receiving circuit comprises: infrared remote receiver, the first filter capacitor, signal amplifier, the second filter capacitor and comparator; Wherein:
Described infrared remote receiver receives described infrared signal, changes the described infrared signal received into the signal of telecommunication, and the described signal of telecommunication is sent to connected described first filter capacitor;
The signal of telecommunication received is carried out filtering by described first filter capacitor, and the signal of telecommunication is after filtering sent to connected described signal amplifier;
Described signal amplifier by receive after filtering after the signal of telecommunication amplify, and by through amplification after the signal of telecommunication be sent to connected described second filter capacitor;
The signal of telecommunication after amplifying received is carried out secondary filtering by described second filter capacitor, and the signal of telecommunication after secondary filtering is sent to connected described comparator;
The signal of telecommunication received is carried out initial decision by described comparator, and the signal of telecommunication after judging is inputted connected processor.
Preferably, the model of described signal amplifier is AD811.
Preferably, the model of described comparator is TLV3501AID.
Preferably, described processor comprises ARM9 processor and STM32 process chip.
Comprise: processor, visible ray drive circuit, power-supplying circuit and LED lamp bead; Wherein:
Described power-supplying circuit provides power supply for coupled described visible ray drive circuit and processor;
Described processor receives by transmission line the signal of communication that on mine, Surveillance center sends, and carries out modulation /demodulation and generates the signal of telecommunication, and the signal of telecommunication of generation is sent to connected described visible ray drive circuit to described signal of communication;
Described visible ray drive circuit receives the described signal of telecommunication, changes the described signal of telecommunication into light signal, sends described light signal by connected described LED lamp bead to mine.
From such scheme, a kind of visible light communication tunnel lamp being applied to mine provided by the invention, receive by transmission line the signal of communication that on mine, Surveillance center sends by processor, and the modulation /demodulation production signal of telecommunication is carried out to signal of communication, the signal of telecommunication is changed into light signal by visible ray drive circuit, by LED lamp bead by optical signal transmission under mine, achieve and change the communication information on mine into optical signal transmission under mine.With the communication process under mine on whole mine, only just need can realize communication by the visible ray of tunnel lamp in mine, without the need to additionally carrying out network layout, and there is not the problem of network communication signal difference, improve the traffic rate of ore deposit underground communica tion and the precision that communicates.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of structural representation being applied to the visible light communication tunnel lamp of mine disclosed in the embodiment of the present invention;
Fig. 2 is the circuit diagram of visible ray drive circuit disclosed by the invention;
Fig. 3 another kind disclosed in the embodiment of the present invention is applied to the structural representation of the visible light communication tunnel lamp of mine;
Fig. 4 is the circuit diagram of infrared receiving circuit disclosed by the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Figure 1, a kind of visible light communication tunnel lamp being applied to mine disclosed in the embodiment of the present invention, comprising: processor 11, visible ray drive circuit 12 and power-supplying circuit 13; Wherein:
Power-supplying circuit 13 provides power supply for coupled processor 11 and visible ray drive circuit 12;
Processor 11 receives by transmission line the signal of communication that on mine, Surveillance center sends, and carries out modulation /demodulation and generates the signal of telecommunication, and the signal of telecommunication of generation is sent to connected visible ray drive circuit 12 to described signal of communication;
Visible ray drive circuit 12 receives the described signal of telecommunication, changes the described signal of telecommunication into light signal, sends described light signal by LED lamp bead to mine.
The operation principle of above-described embodiment is: with when communicating under mine on mine, is applied to power-supplying circuit 13 in the visible light communication tunnel lamp under mine for the processor 11 in visible light communication tunnel lamp and visible ray drive circuit 12 and provides working power.
In the process of communication, when mine needing diffuse information under mine, Surveillance center on mine sends the signal of communication needing to propagate, to the information transmission propagated be needed to processor 11 by transmission line, processor 11 is to receiving signal of communication carries out modulation /demodulation, namely signal of communication is decoded, be the signal of telecommunication needing the signal of communication propagated to match with Surveillance center on mine by communication signal decoding, the signal of telecommunication then obtained decoding is sent to the visible ray drive circuit 12 of tunnel lamp.
The signal of telecommunication received is carried out opto-electronic conversion by visible ray drive circuit 12, changes the signal of telecommunication into light signal, under light signal being sent to mine by the LED lamp bead of tunnel lamp.The light signal that communication equipment under mine can send according to tunnel lamp LED lamp bead receives the communication information that on mine, Surveillance center propagates.
From such scheme, a kind of visible light communication tunnel lamp being applied to mine provided by the invention, receive by transmission line the signal of communication that on mine, Surveillance center sends by processor, and the modulation /demodulation production signal of telecommunication is carried out to signal of communication, the signal of telecommunication is changed into light signal by visible ray drive circuit, by LED lamp bead by optical signal transmission under mine, achieve and change the communication information on mine into optical signal transmission under mine.With the communication process under mine on whole mine, only just need can realize communication by the visible ray of tunnel lamp in existing power line and mine, without the need to additionally carrying out network layout, and there is not the problem of network communication signal difference, improve the traffic rate of ore deposit underground communica tion and the precision that communicates.
Concrete, as shown in Figure 2, be wherein a kind of implementation of the visible ray drive circuit in above-described embodiment.This circuit comprises: electric capacity C1_4, electric capacity C2, electric capacity C3, resistance R1, resistance R2, metal-oxide-semiconductor Q1 and LED light-emitting diode D1, D2, D3, D4, D5.
The 22V voltage of electric capacity C1_4 and electric capacity C2 to input carries out filtering; the visible ray drive circuit signal of telecommunication obtains input and is undertaken every straight process by electric capacity C3; protected by resistance R1, resistance R2, the input of metal-oxide-semiconductor Q1 to visible ray drive circuit; when the signal of telecommunication inputted is low level " 0 "; metal-oxide-semiconductor Q1 is cut-off state, and LED light-emitting diode D1, D2, D3, D4, D5 are not luminous.When the signal of telecommunication inputted is high level " 1 ", metal-oxide-semiconductor Q1 is conducting state, and LED light-emitting diode D1, D2, D3, D4, D5 are luminous.Transmission information is carried out by the high speed light and shade flash signal of LED light-emitting diode D1, D2, D3, D4, D5 carrying.
Concrete, the processor in above-described embodiment can comprise ARM9 processor and STM32 process chip, and STM32 process chip is connected with visible ray drive circuit by I/O interface, realizes the electric signal transmission that obtains after modulation /demodulation to visible ray drive circuit.
Concrete, the power-supplying circuit in above-described embodiment adopts double loop power supply switch module, and a road exports 24V/5A, and a road exports 5V/1A, adopts LD1117S33 chip by the power supply voltage stabilizing of 5V to 3.3V, for the chip in processor simultaneously.
As shown in Figure 3, the present invention also discloses a kind of visible light communication tunnel lamp being applied to mine on the basis of above-described embodiment, comprising: processor 31, visible ray drive circuit 32, power-supplying circuit 33 and infrared receiving circuit 34; Wherein:
Power-supplying circuit 33 provides power supply for coupled processor 31, visible ray drive circuit 32 and infrared receiving circuit 34;
Processor 31 receives by transmission line the signal of communication that on mine, Surveillance center sends, and carries out modulation /demodulation and generates the signal of telecommunication, and the signal of telecommunication of generation is sent to connected visible ray drive circuit 32 to described signal of communication;
Visible ray drive circuit 32 receives the described signal of telecommunication, changes the described signal of telecommunication into light signal, sends described light signal by LED lamp bead to mine;
Infrared receiving circuit 34 is connected with processor 31, and the infrared signal that communication equipment under the mine received sends is sent to processor 31;
After processor 31 carries out modulation /demodulation to described infrared signal, the infrared signal sent by communication equipment under described mine is by Surveillance center in transmission line to mine.
The operation principle of above-described embodiment is: with when communicating under mine on mine, is applied to power-supplying circuit 33 in the tunnel lamp under mine for the processor 31 in tunnel lamp, visible ray drive circuit 32 and infrared receiving circuit 34 and provides working power.
In the process of communication, when mine needing diffuse information under mine, Surveillance center on mine sends the signal of communication needing to propagate, to the information transmission propagated be needed to processor 31 by transmission line, processor 31 is to receiving signal of communication carries out modulation /demodulation, namely signal of communication is decoded, be the signal of telecommunication needing the signal of communication propagated to match with Surveillance center on mine by communication signal decoding, the signal of telecommunication then obtained decoding is sent to the visible ray drive circuit 32 of tunnel lamp.
The signal of telecommunication received is carried out opto-electronic conversion by visible ray drive circuit 32, changes the signal of telecommunication into light signal, under light signal being sent to mine by the LED lamp bead of tunnel lamp.The light signal that communication equipment under mine can send according to tunnel lamp LED lamp bead receives the communication information that on mine, Surveillance center propagates.
The positional information of communication equipment under mine, except by tunnel lamp the information on mine being passed to the communication equipment under mine, can also be passed to the Surveillance center on mine by the present embodiment.
When needing the positional information of communication equipment to be passed on mine, communication equipment under mine sends the infrared signal of carrying communication equipment identity information, infrared receiving circuit 34 in tunnel lamp receives infrared signal, and the infrared signal received is sent to processor 31, the infrared signal received is carried out modulation /demodulation by processor 31, by the signal after modulation /demodulation by transmission line to the Surveillance center on mine.Thus the position of communication equipment under mine can be learnt by Surveillance center.
From such scheme, a kind of visible light communication tunnel lamp being applied to mine provided by the invention, receive by transmission line the signal of communication that on mine, Surveillance center sends by processor, and the modulation /demodulation production signal of telecommunication is carried out to signal of communication, the signal of telecommunication is changed into light signal by visible ray drive circuit, by LED lamp bead by optical signal transmission under mine, achieve and change the communication information on mine into optical signal transmission under mine.With the communication process under mine on whole mine, only just need can realize communication by the visible ray of tunnel lamp in mine, without the need to additionally carrying out network layout, and there is not the problem of network communication signal difference, improve the traffic rate of ore deposit underground communica tion and the precision that communicates.Simultaneously, by the infrared signal of carrying communication equipment identity information that communication equipment under infrared receiving circuit reception mine sends, and by processor, modulation /demodulation is carried out to the infrared signal received, thus can learn that communication equipment is arranged in the position of mine, thus realize the location to communication equipment.
Concrete, as shown in Figure 4, be wherein a kind of implementation of infrared receiving circuit in above-described embodiment.This circuit comprises: infrared remote receiver D2, the first filter capacitor C7, signal amplifier AD811, the second filter capacitor C6 and comparator TLV350LAID.First red external connector D2 is after receiving infrared signal, first time filtering is carried out by the first filter capacitor C7, the infrared signal received due to it is more weak, then through trans-impedance amplifier circuit that signal amplifier AD811 builds, signal is amplified, then through the second filter capacitor C6 filtering again, then carry out judgement through comparator TLV3501AID and export.
Concrete, the processor in above-described embodiment can comprise ARM9 processor and STM32 process chip, and STM32 process chip is connected with visible ray drive circuit by I/O interface, realizes the electric signal transmission that obtains after modulation /demodulation to visible ray drive circuit.
Concrete, the power-supplying circuit in above-described embodiment adopts double loop power supply switch module, and a road exports 24V/5A, and a road exports 5V/1A, adopts LD1117S33 chip by the power supply voltage stabilizing of 5V to 3.3V, for the chip in processor simultaneously.
If the function described in the present embodiment method using the form of SFU software functional unit realize and as independently production marketing or use time, can be stored in a computing equipment read/write memory medium.Based on such understanding, the part of the part that the embodiment of the present invention contributes to prior art or this technical scheme can embody with the form of software product, this software product is stored in a storage medium, comprising some instructions in order to make a computing equipment (can be personal computer, server, mobile computing device or the network equipment etc.) perform all or part of step of method described in each embodiment of the present invention.And aforesaid storage medium comprises: USB flash disk, portable hard drive, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. various can be program code stored medium.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiment, between each embodiment same or similar part mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (6)
1. be applied to a visible light communication tunnel lamp for mine, it is characterized in that, comprising: processor, visible ray drive circuit and power-supplying circuit; Wherein:
Described power-supplying circuit provides power supply for coupled described visible ray drive circuit and processor;
Described processor receives by transmission line the signal of communication that on mine, Surveillance center sends, and carries out modulation /demodulation and generates the signal of telecommunication, and the signal of telecommunication of generation is sent to connected described visible ray drive circuit to described signal of communication;
Described visible ray drive circuit receives the described signal of telecommunication, changes the described signal of telecommunication into light signal, sends described light signal by LED lamp bead to mine.
2. tunnel lamp according to claim 1, is characterized in that, also comprises: infrared receiving circuit;
Described power-supplying circuit is connected with described infrared receiving circuit, for described infrared receiving circuit provides power supply;
Described infrared receiving circuit is connected with described processor, and the infrared signal that communication equipment under the mine received sends is sent to described processor;
After described processor carries out modulation /demodulation to described infrared signal, the infrared signal sent by communication equipment under described mine is by Surveillance center in transmission line to mine.
3. tunnel lamp according to claim 2, is characterized in that, described infrared receiving circuit comprises: infrared remote receiver, the first filter capacitor, signal amplifier, the second filter capacitor and comparator; Wherein:
Described infrared remote receiver receives described infrared signal, changes the described infrared signal received into the signal of telecommunication, and the described signal of telecommunication is sent to connected described first filter capacitor;
The signal of telecommunication received is carried out filtering by described first filter capacitor, and the signal of telecommunication is after filtering sent to connected described signal amplifier;
Described signal amplifier by receive after filtering after the signal of telecommunication amplify, and by through amplification after the signal of telecommunication be sent to connected described second filter capacitor;
The signal of telecommunication after amplifying received is carried out secondary filtering by described second filter capacitor, and the signal of telecommunication after secondary filtering is sent to connected described comparator;
The signal of telecommunication received is carried out initial decision by described comparator, and the signal of telecommunication after judging is inputted connected processor.
4. tunnel lamp according to claim 3, is characterized in that, the model of described signal amplifier is AD811.
5. tunnel lamp according to claim 3, is characterized in that, the model of described comparator is TLV3501AID.
6. tunnel lamp according to claim 1, is characterized in that, described processor comprises ARM9 processor and STM32 process chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510487716.3A CN104993874A (en) | 2015-08-10 | 2015-08-10 | Visible light communication tunnel lamp used in mine pits |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510487716.3A CN104993874A (en) | 2015-08-10 | 2015-08-10 | Visible light communication tunnel lamp used in mine pits |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104993874A true CN104993874A (en) | 2015-10-21 |
Family
ID=54305635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510487716.3A Pending CN104993874A (en) | 2015-08-10 | 2015-08-10 | Visible light communication tunnel lamp used in mine pits |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104993874A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105472779A (en) * | 2016-01-29 | 2016-04-06 | 福建晶彩光电科技股份有限公司 | LED display screen indoor wireless communication system based on LiFi technology |
| CN106100732A (en) * | 2016-06-04 | 2016-11-09 | 清华大学深圳研究生院 | A kind of asymmetrical network based on visible light communication transmission system and transmission method |
| CN106594584A (en) * | 2016-12-05 | 2017-04-26 | 北京申安投资集团有限公司 | Tunnel lamp based on visible light communication technology and communication control method thereof |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101195317A (en) * | 2007-12-26 | 2008-06-11 | 张继祖 | Dynamic pressure flexible simulation ink making machine |
| CN201681425U (en) * | 2010-03-03 | 2010-12-22 | 北京鑫源九鼎科技有限公司 | Novel card detecting device of underground personnel positioning and managing system |
| CN201813541U (en) * | 2010-08-11 | 2011-04-27 | 武汉力源信息技术股份有限公司 | Mobile communication base station power amplifier monitoring module |
| CN102185646A (en) * | 2011-05-26 | 2011-09-14 | 泉芯电子技术(深圳)有限公司 | Infrared receiver |
| CN102355298A (en) * | 2011-05-26 | 2012-02-15 | 泉芯电子技术(深圳)有限公司 | Infrared receiver with digital gain control circuit |
| CN102457331A (en) * | 2010-10-25 | 2012-05-16 | 陈建林 | Method for utilizing LED illumination light to realize wireless local area network communication |
| CN202750093U (en) * | 2012-07-17 | 2013-02-20 | 北京佰能光电技术有限公司 | System for recognizing lamp ID information by LED (light-emitting diode) white light |
| CN103050002A (en) * | 2013-01-16 | 2013-04-17 | 泉芯电子技术(深圳)有限公司 | Infrared receiver and noise identification and suppression method thereof |
| CN103199923A (en) * | 2013-04-22 | 2013-07-10 | 中国矿业大学 | Underground moving target optical fingerprint positioning and tracking method based on visible light communication |
| CN203233322U (en) * | 2013-05-09 | 2013-10-09 | 湖南工程学院 | Multiplexed output fly-back switching power supply |
| CN103744088A (en) * | 2014-01-17 | 2014-04-23 | 清华大学 | Target positioning and tracking system based on visible light communication and CCRs (Cube Corner Retro-reflectors) |
| CN203950313U (en) * | 2013-11-29 | 2014-11-19 | 西安盛科信息技术有限公司 | Mine Personnel Positioning System |
| CN104407327A (en) * | 2014-11-19 | 2015-03-11 | 中国科学院光电研究院 | Indoor positioning method based on bidirectional wireless optical communication |
| US9048949B1 (en) * | 2006-05-19 | 2015-06-02 | Ixys Ch Gmbh | Controlling transmission power in an IrDA/RC transmitter circuit |
| CN204761445U (en) * | 2015-08-10 | 2015-11-11 | 中国人民解放军信息工程大学 | Be applied to visible light communication tunnel lamp of mine |
-
2015
- 2015-08-10 CN CN201510487716.3A patent/CN104993874A/en active Pending
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9048949B1 (en) * | 2006-05-19 | 2015-06-02 | Ixys Ch Gmbh | Controlling transmission power in an IrDA/RC transmitter circuit |
| CN101195317A (en) * | 2007-12-26 | 2008-06-11 | 张继祖 | Dynamic pressure flexible simulation ink making machine |
| CN201681425U (en) * | 2010-03-03 | 2010-12-22 | 北京鑫源九鼎科技有限公司 | Novel card detecting device of underground personnel positioning and managing system |
| CN201813541U (en) * | 2010-08-11 | 2011-04-27 | 武汉力源信息技术股份有限公司 | Mobile communication base station power amplifier monitoring module |
| CN102457331A (en) * | 2010-10-25 | 2012-05-16 | 陈建林 | Method for utilizing LED illumination light to realize wireless local area network communication |
| CN102185646A (en) * | 2011-05-26 | 2011-09-14 | 泉芯电子技术(深圳)有限公司 | Infrared receiver |
| CN102355298A (en) * | 2011-05-26 | 2012-02-15 | 泉芯电子技术(深圳)有限公司 | Infrared receiver with digital gain control circuit |
| CN202750093U (en) * | 2012-07-17 | 2013-02-20 | 北京佰能光电技术有限公司 | System for recognizing lamp ID information by LED (light-emitting diode) white light |
| CN103050002A (en) * | 2013-01-16 | 2013-04-17 | 泉芯电子技术(深圳)有限公司 | Infrared receiver and noise identification and suppression method thereof |
| CN103199923A (en) * | 2013-04-22 | 2013-07-10 | 中国矿业大学 | Underground moving target optical fingerprint positioning and tracking method based on visible light communication |
| CN203233322U (en) * | 2013-05-09 | 2013-10-09 | 湖南工程学院 | Multiplexed output fly-back switching power supply |
| CN203950313U (en) * | 2013-11-29 | 2014-11-19 | 西安盛科信息技术有限公司 | Mine Personnel Positioning System |
| CN103744088A (en) * | 2014-01-17 | 2014-04-23 | 清华大学 | Target positioning and tracking system based on visible light communication and CCRs (Cube Corner Retro-reflectors) |
| CN104407327A (en) * | 2014-11-19 | 2015-03-11 | 中国科学院光电研究院 | Indoor positioning method based on bidirectional wireless optical communication |
| CN204761445U (en) * | 2015-08-10 | 2015-11-11 | 中国人民解放军信息工程大学 | Be applied to visible light communication tunnel lamp of mine |
Non-Patent Citations (2)
| Title |
|---|
| 姚素芬主编: "《电子电路实训与课程设计》", 30 September 2013 * |
| 张宝富，苏洋，王海潼编著: "《光纤通信 第3版》", 28 February 2015 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105472779A (en) * | 2016-01-29 | 2016-04-06 | 福建晶彩光电科技股份有限公司 | LED display screen indoor wireless communication system based on LiFi technology |
| CN105472779B (en) * | 2016-01-29 | 2018-10-02 | 福建晶彩光电科技股份有限公司 | LED display indoor wireless communication system based on LiFi technologies |
| CN106100732A (en) * | 2016-06-04 | 2016-11-09 | 清华大学深圳研究生院 | A kind of asymmetrical network based on visible light communication transmission system and transmission method |
| CN106100732B (en) * | 2016-06-04 | 2019-05-14 | 清华大学深圳研究生院 | A kind of asymmetrical network Transmission system and transmission method based on visible light communication |
| CN106594584A (en) * | 2016-12-05 | 2017-04-26 | 北京申安投资集团有限公司 | Tunnel lamp based on visible light communication technology and communication control method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104993874A (en) | Visible light communication tunnel lamp used in mine pits | |
| CN103338072B (en) | Based on visible light communication and the radio switch-in method of android system | |
| CN103986518A (en) | Single-chip microcomputer voice frequency storing and broadcasting system and single-chip microcomputer voice frequency storing and broadcasting method based on visible light communication | |
| CN103532625A (en) | White-light LED (light-emitting diode) speech signal communication transceiving system | |
| Das et al. | PC to PC data transmission using visible light communication | |
| CN203554545U (en) | Handset internet-surfing device based on visible-light communication | |
| CN204761445U (en) | Be applied to visible light communication tunnel lamp of mine | |
| CN204272132U (en) | A kind of jamproof data communication system | |
| CN105915292B (en) | A kind of optical module of 28G SFP encapsulation | |
| Singh et al. | Design and implementation of wireless communication system for toll collection using LIFI | |
| CN108199771A (en) | A kind of visible light communication device | |
| CN104036316A (en) | Ultra-low power consumption photoactivatable electronic tag and card reader system and signal processing method thereof | |
| CN204761444U (en) | Be applied to mobile communication device of mine | |
| CN205154258U (en) | Colliery personnel in pit's positioning device | |
| CN203311451U (en) | Double-purpose intelligent card possessing NFC and 13.56MHZ radio frequency antenna | |
| CN203377885U (en) | An optical signal transmitting and receiving apparatus and an optical signal transmitting and receiving system | |
| CN105680943A (en) | Visible light communication system and method, and related equipment | |
| CN105763262A (en) | Portable storage device | |
| CN204157135U (en) | Street lamp address acquisition system | |
| CN103297144A (en) | Optical communication method based on USB and launching device | |
| CN2798210Y (en) | Solar energy wireless transmission controlling system for traffic signal lamp of crossroad | |
| CN105024762A (en) | Mobile communication equipment applied to mine | |
| CN103297149A (en) | Optical communication method based on USB and receiving device | |
| CN202488456U (en) | USB-based optical communication transmitting device | |
| CN203773827U (en) | Short-distance LED visible light audio transmission demonstration instrument |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151021 |