CN208269739U - A kind of LED based deep ultraviolet light remote-controlled detonation system - Google Patents
A kind of LED based deep ultraviolet light remote-controlled detonation system Download PDFInfo
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- CN208269739U CN208269739U CN201820485906.0U CN201820485906U CN208269739U CN 208269739 U CN208269739 U CN 208269739U CN 201820485906 U CN201820485906 U CN 201820485906U CN 208269739 U CN208269739 U CN 208269739U
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- ultraviolet light
- deep ultraviolet
- chip microcontroller
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- led
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Abstract
LED based deep ultraviolet light remote-controlled detonation system, including transmitting terminal, receiving end, the transmitting terminal is realized by LED deep ultraviolet light and receiving end and is wirelessly communicated, the transmitting terminal includes using STC12C5620AD single-chip microcontroller as control core, the single-chip microcontroller receives control signal by key control module, and show control signal on LCD display, the single-chip microcontroller will control and be sent out control signal by LED deep ultraviolet light after signal is driven by driving circuit；The receiving end includes that photomultiplier tube is selected to make photodetector, the photodetector detects convert light signals into electric signal after deep ultraviolet light after be input in the amplifier of receiving end, the amplifier out connects single-chip microcontroller, single-chip microcontroller issues control instruction and gives charge/discharge relay, which connect with ammunition interface；The single-chip microcontroller connects LCD display module and key control module.
Description
Technical field
Originally practical to be related to a kind of initiation system, more particularly, to a kind of LED based deep ultraviolet light remote-controlled detonation system.
Background technique
Wavelength is referred to as deep ultraviolet light in 200nm to the ultraviolet light between 350nm range.Since ozone layer is to solar radiation
The ultraviolet radioactive of medium wave a length of 240nm to 280nm has strong absorption, forms " day is blind " area, i.e., does not deposit on the wave band ground
In " day is blind " ultraviolet interference of the sun.Deep ultraviolet light communication is exactly work in day-old chick, using deep ultraviolet light as carrier, to be passed
On defeated modulates information to deep ultraviolet light, to complete the transmission of information.The deep ultraviolet light communication technology is a kind of Novel Communication side
Formula, deep ultraviolet light communication have following features: firstly, since atmospheric scattering absorbs, detector can only receive small-signal, but dry
It disturbs less, can work in the electromagnetic environment of the complexity such as such as field explosion, and need not strictly be aligned.Secondly, ultraviolet light is certainly
Can exponentially it decay during by spatial, so transmission range is mostly visual range.US military is paid much attention to deep
Ultraviolet communication field, early in the 1960s, US military has carried out largely the deep ultraviolet light communication of short-distance transmission
Research.In 2002, the U.S. began one's study using light emitting diode as the deep ultraviolet light communication system of light source, and develops 275nm
Deep ultraviolet LED.China starts to walk relatively late for the research of ultraviolet communication, but the country also increasingly payes attention to for purple in recent years
The research of outer optical communication field, it is light source that the National University of Defense technology uses " day is blind " section LED for the first time, and it is logical to have studied helicopter ultraviolet light
Letter system；University Of Chongqing also studied the voice system design and implementation based on ultraviolet light.
Ultraviolet communication strong antijamming capability, good confidentiality are very suitable to short-range complex electromagnetic environment, rescue speedily carrying out rescue work
Calamity has very big prospect in the military operations such as field explosion.Undoubtedly, ultraviolet communication by will receive it is each it is military everybody
Pay much attention to and studies.However, existing field explosion military operation is also seldom remotely controlled using by LED based deep ultraviolet light
Quick-fried system.
Summary of the invention
It is a kind of LED based deep ultraviolet light remote-controlled detonation system that this is practical, to solve deficiency in the prior art, the party
Method is achieved through the following technical solutions:
LED based deep ultraviolet light remote-controlled detonation system, its technical solution is as follows: including transmitting terminal, receiving end, the hair
Sending end realizes wireless communication by LED deep ultraviolet light and receiving end, it is characterized in that: including being control with STC12C5620AD single-chip microcontroller
Core processed, which receives control signal by key control module, and control signal is shown on LCD display, institute
Signal will be controlled by being sent out control signal by LED deep ultraviolet light after driving circuit driving by stating single-chip microcontroller；The reception
End includes that photomultiplier tube is selected to do photodetector (PMT), and photodetector PMT is detected optical signal after deep ultraviolet light
It is input in the amplifier of receiving end after being changed into electric signal, amplifier out connects STC12C5620AD single-chip microcontroller, monolithic
Machine issues control instruction and gives charge/discharge relay, which connect with ammunition interface；The single-chip microcontroller connects LCD and shows mould
Block and key control module.
It is preferred that are as follows: the photodetector front end increases ultraviolet filter, which passes through PMT high pressure
Power supply module power supply.
It is preferred that are as follows: the ultraviolet filter uses interferometric filter, and wherein a length of 268.3nm of cardiac wave, half-wave bandwidth are
17.6nm, peak transmission 20.4%.
The utility model has the advantages that improving the reliability of bursting work, safety.
Detailed description of the invention
Fig. 1 is LED based deep ultraviolet light remote-controlled detonation system structural block diagram；
Fig. 2 is ultraviolet LED and its driver circuit schematic diagram in LED based deep ultraviolet light remote-controlled detonation system；
Fig. 3 is keyboard control circuit schematic diagram in LED based deep ultraviolet light remote-controlled detonation system；
Fig. 4 is LED based deep ultraviolet light remote-controlled detonation system by key control and display panel structure figure；
Fig. 5 is detector and interface microcontroller circuit diagram in LED based deep ultraviolet light remote-controlled detonation system；
Fig. 6 is ammunition interface circuit schematic diagram in LED based deep ultraviolet light remote-controlled detonation system.
Specific embodiment
In the following with reference to the drawings and specific embodiments, further elucidate practical, the present embodiment is with this practical technique scheme
Premised under implemented.
System is mainly made of transmitting terminal and receiving end.Deep ultraviolet remote-controlled detonation system transmitting terminal and user hold distant
Device is controlled, using STC12C5620AD single-chip microcontroller as control core, 8 keys are controlled by keyboard chip HD7279.LCD display choosing
With 12864 display screens, Chinese human-computer interaction interface is constituted, it is user-friendly.The corresponding control instruction of each key, instruction
It is sent from serial ports, and deep ultraviolet LED light source is driven by LED drive chip NU551, complete electro-optic conversion.System power supply part
Stable 5V voltage is exported using lithium battery power supply and by the efficient boost converter of TPS61032.Deep ultraviolet remote-controlled detonation system connects
Receiving end, i.e. initiator.Receiving end is there are two control model: remote control mode and line traffic control are manually detonated mode.Under remote control mode, it is
System can receive and perform the instruction from transmitting terminal.Under line traffic control manually detonation mode, receiving end can be directly right by key
Demolition set is charged, discharged, detonated and ammunition measurement function.
Embodiment 1
This practical transmitting terminal is emitted on vector modulation to LED light source by deep ultraviolet light, and the LED which selects is deep
Ultraviolet source can produce the dark purple external radiation that wavelength is 268nm, and due to the strong absorption of earth atmosphere, selection wavelength is
The deep ultraviolet LED light source of 268nm can greatly improve the anti-interference of system.
The transmitting terminal of deep ultraviolet light remote-controlled detonation system
The transmitting terminal includes using STC12C5620AD single-chip microcontroller as control core, which is connect by key control module
Control command is received, and control command is shown on LCD display, the single-chip microcontroller drives control instruction by driving circuit
Control command is sent out by LED deep ultraviolet light afterwards.Specific structure is as follows:
1.LED driving circuit
Driving circuit uses NU511 chip, and NU511 is single channel LED drive chip, can export 100mA-1.2A electricity
Stream supports 3-12V voltage, supports the duty ratio frequency for being up to 1MHz, and the driving circuit specific structure is as follows: the 1st pipe of NU511
Foot is grounded by resistance R10 with the 3rd pin jointly；2nd pin connects the cathode of ultraviolet LED；4th pin passes through resistance R11 and purple
The anode of outer LED connects, in addition, the external 7.5V supply voltage of the 5th pin, dry in order to reduce the external ripple of 7.5V supply voltage
It disturbs, increases the filter circuit composed in parallel by electrolytic capacitor C16 and ceramic disc capacitor C17；5th pin OE is as the defeated of driving signal
Enter end.
2. signal generates control module
Signal generates and control module, is divided into Keyboard Control and screen displaying part, Keyboard Control part by HD7279 and
Singlechip group is a piece of keyboard matrix that can connect up to 64 keys simultaneously with interface at, HD7279, includes debouncing circuit, with
Serial manner exports key assignments, saves I/O port.This system design shares 8 keys, respectively charge switch, discharge switch, draw
Voltage flame proof switch upper choosing switch, lower choosing switch, moves to left switch, moves to right switch and confirmation switch.Display circuit is selected with Chinese word library
12864 liquid crystal displays, allow user to select different function by keyboard, and the key assignments of monolithic machine testing key is simultaneously sent corresponding by serial ports
Instruction, until the end LED drive circuit OE, command signal is added on light source, is sent signal by deep ultraviolet LED.
The transmitting terminal course of work: transmitting terminal executes respective keys function by keyboard detection key, and each transmitting terminal is distant
ID can be separately provided in control device, can match with receiving end.It is sent and is ordered by serial ports, and be modulated to light through deep ultraviolet LED light
Road is sent.
The receiving end of deep ultraviolet light remote-controlled detonation system
Receiving end includes to the amplifier for receiving signal, and amplifier out connects STC12C5620AD single-chip microcontroller, monolithic
Machine issues control instruction and gives charge/discharge relay, which connect with ammunition interface；The single-chip microcontroller connects LCD and shows mould
Block and key control module.
1. photodetector and interface microcontroller circuit
Photodetector PMT amplifies after detecting signal through LM339 amplifier, and amplification factor can be according to the value tune of potentiometer
It is whole, facilitate debugging.Enter microcontroller serial port receiving end RXD by amplified signal, is made a response after single-chip microcontroller detection instruction.
Ammunition Interface design ammunition interface circuit carries out virtual protection to the charge and discharge of circuit using relay.Pass through monolithic
Machine controls charge and discharge electrical relay and ignites relay.Relay is closed when charging, and circuit is to capacitor charging.Relay is ignited when ignition
Device closure, connects ammunition interface, lights detonator.
Receiving end selects photomultiplier tube to make photodetector, and photomultiplier tube is by emitting cathode, focusing electrode, dynode
It is formed with anode.Since the propagation of ultraviolet light in an atmosphere exponentially decays, therefore only seldom photon reaches photodetector,
And photomultiplier tube utilizes the principle of secondary, can detecte faint optical signal, is a kind of Weak photodetector.For
The wavelength of the deep ultraviolet light of cooperation transmitting terminal transmitting, receiving end select the R7154 photomultiplier tube of Bin Song company, respond wave
Section is 160nm to 320nm, and peak in the spectral response 254nm meets design requirement.Blasting system is normally applied environment as outdoor
Environment can have the interference of visible light and infrared light in an outdoor environment, in order to eliminate interference, noise is minimized, is being visited
It surveys device front end and increases " day is blind " ultraviolet filter.Optical filter is broadly divided into interferometric filter and absorption filter, and the design uses
Interferometric filter, wherein a length of 268.3nm of cardiac wave, half-wave bandwidth are 17.6nm, peak transmission 20.4%.PMT high pressure supplies
Electric module
In order to generate forceful electric power field emission electron, photomultiplier tube needs to be added up to the height of kilovolt between a cathode and an anode
Pressure.The R7154 operating voltage of Bin Song company is 1250V, so system needs PMT high voltage supply module.The choosing of high voltage supply module
With C7950 series.C7950 series high voltage power supply module by pressure stabilizing high voltage power supply, active voltage divider, current-voltage converter with
And the broad band amplifier composition of 0~5MHz of bandwidth.C7950 is in normal work, it is only necessary to provide ± 15V voltage and 0~
The control voltage of 3.6V.
C7950 working principle is as follows: pressure stabilizing high voltage power supply drives after active voltage divider divides after generating high voltage
PMT, output signal exports after broad band amplifier amplifies after PMT detects photon.
The receiving end course of work: receiving end has remote control mode and manual mode, and wherein remote control mode has matching ID, with
Transmitting end equipment ID number matching, for preventing a remote controler while being remotely controlled multiple explosive controllers.Under remote control mode, serial ports
The instruction that remote controler issues is received, an instruction is divided into 4 bytes, including starts byte, device id byte, command byte and knot
Beam byte.Receiving end detection instruction judges to execute the corresponding command (charging, electric discharge, ignition, ammunition survey after whether device id matches
Amount).In a manual mode, user can direct-acting controller, complete corresponding function.Single-chip microcontroller is connected to command adapted thereto and completes accordingly
Operation is charged and discharged bulky capacitor wherein charging, electric discharge are that driving ULN2003 controls relay with initiation command
Operation；Ammunition measurement instruction is to acquire ammunition resistance value using AD inside STC12C5620AD and show.
Above-described embodiment is this practical preferable embodiment, but this practical embodiment is not by the limit of above-described embodiment
System, other are any without departing from modification, combination or the substitution made under this practical principle, are included in this practical protection scope
Within.
Claims (3)
1. a kind of LED based deep ultraviolet light remote-controlled detonation system, including transmitting terminal, receiving end, the transmitting terminal passes through LED depth
Ultraviolet light and receiving end, which are realized, to be wirelessly communicated, it is characterized in that: the transmitting terminal includes with STC12C5620AD single-chip microcontroller for control
Core, which receives control signal by key control module, and control signal is shown on LCD display, described
Single-chip microcontroller will control and be sent out control signal by LED deep ultraviolet light after signal is driven by driving circuit；The receiving end
Including selecting photomultiplier tube to make photodetector, which converts light signals into telecommunications after detecting deep ultraviolet light
It is input to after number in the amplifier of receiving end, which connects STC12C5620AD single-chip microcontroller, and single-chip microcontroller issues control
Signal processed gives charge/discharge relay, which connect with ammunition interface；The single-chip microcontroller connects LCD display module and presses
Key control module.
2. a kind of LED based deep ultraviolet light remote-controlled detonation system according to claim 1, it is characterized in that: the photoelectricity
Detector front end increases ultraviolet filter, which passes through PMT high voltage supply module for power supply.
3. a kind of LED based deep ultraviolet light remote-controlled detonation system according to claim 2, it is characterized in that: it is described ultraviolet
Optical filter uses interferometric filter, wherein a length of 268.3nm of cardiac wave, and half-wave bandwidth is 17.6nm, peak transmission 20.4%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820485906.0U CN208269739U (en) | 2018-04-08 | 2018-04-08 | A kind of LED based deep ultraviolet light remote-controlled detonation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820485906.0U CN208269739U (en) | 2018-04-08 | 2018-04-08 | A kind of LED based deep ultraviolet light remote-controlled detonation system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112636828A (en) * | 2020-12-17 | 2021-04-09 | 苏州亮芯光电科技有限公司 | Full-duplex deep ultraviolet communication device and control method thereof |
| CN112815791A (en) * | 2020-12-25 | 2021-05-18 | 中国船舶重工集团有限公司第七一0研究所 | Detection device for high-voltage narrow-pulse electrical signals |
| CN114945795A (en) * | 2019-12-09 | 2022-08-26 | 原子能及能源替代委员会 | Wireless electronic detonator comprising a power switch controlled by an optical signal, wireless detonation system and method for activating such a detonator |
-
2018
- 2018-04-08 CN CN201820485906.0U patent/CN208269739U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114945795A (en) * | 2019-12-09 | 2022-08-26 | 原子能及能源替代委员会 | Wireless electronic detonator comprising a power switch controlled by an optical signal, wireless detonation system and method for activating such a detonator |
| CN112636828A (en) * | 2020-12-17 | 2021-04-09 | 苏州亮芯光电科技有限公司 | Full-duplex deep ultraviolet communication device and control method thereof |
| CN112636828B (en) * | 2020-12-17 | 2021-09-28 | 苏州亮芯光电科技有限公司 | Full-duplex deep ultraviolet communication device and control method thereof |
| CN112815791A (en) * | 2020-12-25 | 2021-05-18 | 中国船舶重工集团有限公司第七一0研究所 | Detection device for high-voltage narrow-pulse electrical signals |
| CN112815791B (en) * | 2020-12-25 | 2023-02-28 | 中国船舶重工集团有限公司第七一0研究所 | Detection device for high-voltage narrow-pulse electrical signals |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181221 Termination date: 20200408 |