CN107132797B - A kind of explosive field wireless type transient state trigger control method - Google Patents
A kind of explosive field wireless type transient state trigger control method Download PDFInfo
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- CN107132797B CN107132797B CN201710404748.1A CN201710404748A CN107132797B CN 107132797 B CN107132797 B CN 107132797B CN 201710404748 A CN201710404748 A CN 201710404748A CN 107132797 B CN107132797 B CN 107132797B
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- 238000000034 method Methods 0.000 title claims abstract description 44
- 239000002360 explosive Substances 0.000 title claims abstract description 31
- 230000001052 transient effect Effects 0.000 title claims abstract description 19
- 238000012360 testing method Methods 0.000 claims abstract description 21
- 230000003321 amplification Effects 0.000 claims abstract description 20
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 20
- 238000012545 processing Methods 0.000 claims abstract description 19
- 230000003287 optical effect Effects 0.000 claims abstract description 16
- 239000000843 powder Substances 0.000 claims abstract description 7
- 238000004880 explosion Methods 0.000 claims description 14
- 230000005611 electricity Effects 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 6
- 230000002441 reversible effect Effects 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 230000005622 photoelectricity Effects 0.000 claims description 3
- 230000000717 retained effect Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 230000008054 signal transmission Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 3
- 238000005474 detonation Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 235000017899 Spathodea campanulata Nutrition 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C23/00—Non-electrical signal transmission systems, e.g. optical systems
- G08C23/04—Non-electrical signal transmission systems, e.g. optical systems using light waves, e.g. infrared
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25257—Microcontroller
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Abstract
A kind of explosive field wireless type transient state trigger control method, steps are as follows: 1) modulated light source device and photoelectric signal process equipment being separately fixed near explosive source and test node；2) modulated signal line is wound on powder column, system electrification, adjusts laser in the spot size of test node；3) square wave generated to second controller and the first controller is carried out with frequency co-phasing operation；4) amplification factor for adjusting second amplifying circuit, amplifies the output voltage V6 of locking phase amplifying circuit as far as possible, adjusts the reference voltage Va of comparison circuit, and the reference voltage Va of comparison circuit is made to be slightly less than negative terminal input voltage V7, i.e. Va < V7, output voltage V8 are low level；5) optical processing device is properly protected processing, is arrived to detonator signal, second controller generates trigger signal.The present invention can solve a series of problems, such as triggering response speed in triggering system is slow, field wiring is inconvenient and reduces influence of the environment light to triggering system.
Description
Technical field
The present invention relates to outfield explosive parameters test control method fields, more particularly to a kind of explosive field wireless type wink
State trigger control method.
Background technique
Various ammunition explosion times, high temperature, high pressure detonation product destroy body formed it is a variety of injure member, such as fireball, fragmentation
With shock wave etc..The test and evaluation of damage effectiveness is the necessary link in all kinds of explosive development processes, however explosive field is surveyed
Test ring border very severe, all types of explosives, weapon warhead power test and Test System for Rocket Engine Test all can in the environment into
Row.Explosive field must be tested there are many parameter, and on-the-spot test node is more, and the measuring node of same parameters can up to tens,
Trigger signal in all kinds of acquisition systems need it is external provide, and when the parameter testing of each node must assure that identical reference
Between, if the triggering moment of none standard, data processing will be more complicated after test, influence the standard of weapons and ammunitions power performance
Really assessment.Triggering Control System can provide reliable trigger signal for test macro.Triggering mode mainly has wireless communication at present
Triggering Method, sound Triggering Method, broken string Triggering Method and light Triggering Method etc..The deficiency of traditional triggering system is mainly reflected in following
Aspect:
1. it is slow to trigger speed.It wirelessly communicates each node of triggering mode to connect without lead, but data transmission bauds is slow, it is synchronous
Time, synchronism was lower in Millisecond.Sound Triggering Method is the acoustical signal of explosion generation as trigger signal, but sound is in air
Middle spread speed is slower, and influenced by ambient temperature.
2. field wiring is inconvenient.Trigger winding is wrapped on powder column by broken string Triggering Method, and instant of detonation coil, which disconnects, to be produced
Raw trigger signal, this method needs are laid with longer cable between powder column and test equipment.It is destructive when explosive parameters are tested
Greatly, transmission cable easily wrecks, at high cost, and field wiring is inconvenient, heavy workload.
3. interference noise is big.Light Triggering Method will explode light as trigger signal, and light propagation speed is fast, and wireless type triggers,
But photoelectric device can generate biggish photoelectric current under strong light outdoors, cannot respond to explosion light, test various objects in environment
Strong light on transient reflection to photoelectric device may also lead to false triggering phenomenon.
In conclusion common explosive field triggering mode can not all reach simultaneously wireless type, fast response time with it is anti-interference
Ability is equal by force to be required.
Summary of the invention
To solve the above problems, the present invention provides a kind of explosive field wireless type transient state trigger control method, leads to
Cross the explosive field wireless type transient state trigger control method can solve triggering response speed in triggering system is slow, field wiring not
A series of problems, such as conveniently and reducing influence of the environment light to triggering system, for this purpose, the present invention provides a kind of explosion
Field wireless type transient state trigger control method, the specific steps are as follows:
1) modulated light source device and photoelectric signal process equipment are separately fixed near explosive source and test node；
2) modulated signal line is wound on powder column, system electrification, adjusts laser in the spot size of test node, it is ensured that
Light-sensitive device in optical processing device is in hot spot；
3) square wave generated to second controller and the first controller is carried out with frequency co-phasing operation；
4) amplification factor for adjusting second amplifying circuit, amplifies the output voltage V6 of locking phase amplifying circuit as far as possible, adjusts
The reference voltage Va of comparison circuit makes the reference voltage Va of comparison circuit be slightly less than negative terminal input voltage V7, i.e. Va < V7, output
Voltage V8 is low level；
5) optical processing device is properly protected processing, is arrived to detonator signal, second controller generates trigger signal.
Further improvement of the present invention, the photoelectric signal process equipment contain pre-amplification circuit, second amplifying circuit, lock
Phase amplifying circuit and comparison circuit, the pre-amplification circuit, second amplifying circuit, locking phase amplifying circuit and comparison circuit number
Relationship is as follows:
1) pin 1 of P1 is photocell anode, and pin 2 is photocell negative terminal, and Vpd is to be applied to photocell reverse bias electricity
Pressure,The parameter of R3, R8 are set, so that Vpd < 0.It is i that photocell, which generates photoelectric current, through U1's
I/V conversion circuit, obtains V0=-i × R1, then photronic dark current is filtered out through high-pass filtering and reverse bias voltage is drawn
The low frequency component risen contains DC component, obtains voltage V1；
2) in second amplifying circuitThe resistance value of feedback resistance R2 is adjustable simultaneously；
3) according to the filtering principle of locking phase amplifying circuit, sense channel signal includes measured signal and noise signal, enables inspection
Survey channel signal is f1=s1(t)+n (t), reference signal f2=s2(t), reference signal and measured signal s1(t) with frequency, n (t)
For noise signal
Assuming thats2(t)=sin (2 π ft), then two paths of signals is multiplied as follows:
After low-pass filtered device, as long as the cutoff frequency f of setting low-pass filtercut≤ f can filter out harmonic component,
Retain DC component, amplitude information and phase information comprising measured signal, DC componentIt is proportional to measured signal
Amplitude.In locking phase amplifying circuit, V5=V4×Vf, through RC low-pass filter, the DC component of V5 signal is only retained in V6, through electricity
Press follower, V7=V6；
4) in comparison circuit, before explosion, resistance R13 and R14 are adjusted, so that V7 > Va, output voltage V8 are low level, it is quick-fried
V7 < Va after fried, output voltage V8 jump to high level from low level, pre-amplification circuit of the present invention, second amplifying circuit, locking phase
The mathematical relationship of the Key Circuits such as amplifying circuit and comparison circuit mainly uses relation above, reaches corresponding purpose.
Further improvement of the present invention, modulation laser are generated by modulation laser, the explosion that the modulation laser generates
The transmission of the signal of signal and optical processing device uses laser signal, and the present invention mainly uses laser signal.
Further improvement of the present invention, the modulation laser select the adjustable TTL of spot size to modulate laser, this hair
Bright laser mainly selects the adjustable TTL modulation laser of spot size.
Further improvement of the present invention, the locking phase amplifying circuit is made of multiplier circuit and low-pass filter circuit, low
For the cutoff frequency of bandpass filter circuit less than the frequency for the reference signal that the second amplifier generates, locking phase amplifying circuit of the present invention is main
It is made of multiplier circuit and low-pass filter circuit.
Further improvement of the present invention, the light-sensitive device use photocell, the pre-amplification circuit, second level amplification electricity
Road uses operational amplification circuit chip, and the amplifier chip of the comparison circuit uses comparator chip, first controller and
Second controller is made of FPGA or DSP or arm processor and its peripheral circuit, and amplifier chip of the present invention, controller can be adopted
With the above type chip and processor.
A kind of explosive field wireless type transient state trigger control method of the present invention, substitutes traditional draw using optical signal transfer mode
Line mode, and realize that the anti-interference process of signal substitutes traditional processing method by locking phase amplifying circuit principle.Using frequency
Adjustable laser generator generates the adjustable laser light source of frequency.After explosion, the modulated signal line of modulated light source device is fried
Disconnected, laser can not generate modulated optical signal, and the light-sensitive device of optical processing device can not receive same with frequency with reference signal
The optical signal of phase, locking phase amplifying circuit output voltage can generate jump, and system exports Trig control signal, and response is triggered after use
Speed is fast, and field wiring is convenient, can be further reduced influence of the environment light to triggering system.
Detailed description of the invention
Fig. 1 is schematic diagram of the present invention；
Fig. 2 is the pre-amplification circuit schematic diagram in photoelectric signal process equipment of the present invention；
Fig. 3 is the second amplifying circuit schematic diagram in photoelectric signal process equipment of the present invention；
Fig. 4 is the locking phase amplifying circuit schematic diagram in photoelectric signal process equipment of the present invention；
Fig. 5 is the comparison circuit schematic diagram in photoelectric signal process equipment of the present invention；
Fig. 6 is work flow diagram of the present invention；
Specific embodiment
Present invention is further described in detail with specific embodiment with reference to the accompanying drawing:
The present invention provides a kind of explosive field wireless type transient state trigger control method, is triggered by the explosive field wireless type transient state
Control method can solve that the triggering response speed in triggering system is slow, field wiring is inconvenient and reduce environment light to triggering
The influence of system.
A kind of explosive field wireless type transient state trigger control device of the invention patent is as shown in Figure 1, include modulated light source device
With photoelectric signal process equipment.Modulated light source device includes that the first controller, modulation laser and modulated signal line are constituted, photoelectricity
Signal processing apparatus include light-sensitive device, pre-amplification circuit, second amplifying circuit, second controller, locking phase amplifying circuit and
Comparison circuit is constituted.Modulated light source device and the shell of photoelectric signal process equipment are blast resistance construction shell.
Modulated light source device is placed in explosion source position, modulates laser and the first controller is fixed on explosive test platform
On, the first controller generates frequency, the adjustable square-wave signal of duty ratio.And modulation laser is supplied to by modulated signal line,
Modulated signal line is wound on explosion powder column as coil.
Photoelectric signal process equipment is placed near explosive parameters tester, and light-sensitive device receives the light that modulation laser generates
Signal, and it is converted into electric signal, and be supplied to pre-amplification circuit sub-device in the form of electric current, wherein built-in amplification electricity
Way device has I/V amplifier and high-pass filter, and current signal is converted to voltage signal, high-pass filter by I/V amplifier
Bias voltage in the voltage signal of conversion is filtered out, only reserved high-frequency AC compounent.Second amplifying circuit includes first voltage
Follower, second voltage follower and see-saw circuit, wherein the voltage signal of pre-amplification circuit is followed through first voltage
Device is supplied to see-saw circuit, and the amplification factor of see-saw circuit can be adjusted by potentiometer, and output signal is by the
Two voltage followers are supplied to locking phase amplifying circuit, and second controller is generated to be mentioned with frequency with the square-wave signal of phase with the first controller
Locking phase amplifying circuit is supplied as its reference signal, locking phase amplifying circuit includes multiplier circuit and low-pass filter circuit, multiplication
Reference signal and the output signal of second amplifying circuit are carried out multiplying by device circuit, and are filtered out by low-pass filter circuit humorous
Wave component and interference signal, the DC component of stick signal.The output signal of locking phase amplifying circuit is through comparison circuit, by signal
It is supplied to second controller, the synchronous Trig control signal of second controller output multi-channel.
The invention patent explosive field substitutes traditional gage system using optical signal, and real by locking phase amplifying circuit principle
The anti-interference process of existing signal substitutes traditional processing method.Using the adjustable laser generator of frequency, it is adjustable to generate frequency
Laser light source.After explosion, the modulated signal line of modulated light source device is blown up, and laser can not generate modulated optical signal, photoelectricity
The light-sensitive device of processing unit can not receive the optical signal with reference signal with frequency with phase, locking phase amplifying circuit output voltage meeting
Jump is generated, system exports Trig control signal.
It is preposition in a kind of photoelectric signal process equipment of explosive field wireless type transient state trigger control method of the invention patent
The mathematical relationship of the Key Circuits such as amplifying circuit, second amplifying circuit, locking phase amplifying circuit and comparison circuit is as follows:
1) pin 1 of P1 is photocell anode, and pin 2 is photocell negative terminal, and Vpd is to be applied to photocell reverse bias electricity
Pressure,The parameter of R3, R8 are set, so that Vpd < 0.It is i that photocell, which generates photoelectric current, through U1's
I/V conversion circuit, obtains V0=-i × R1, then photronic dark current is filtered out through high-pass filtering and reverse bias voltage is drawn
The low frequency component (containing DC component) risen, obtains voltage V1；
2) in second amplifying circuitThe resistance value of feedback resistance R2 is adjustable simultaneously；
3) according to the filtering principle of locking phase amplifying circuit, sense channel signal includes measured signal and noise signal, enables inspection
Survey channel signal is f1=s1(t)+n (t), reference signal f2=s2(t), reference signal and measured signal s1(t) with frequency, n (t)
For noise signal
Assuming thats2(t)=sin (2 π ft), then two paths of signals is multiplied as follows:
After low-pass filtered device, as long as the cutoff frequency f of setting low-pass filtercut≤ f can filter out harmonic component,
Retain DC component, amplitude information and phase information comprising measured signal, DC componentIt is proportional to measured signal
Amplitude.In locking phase amplifying circuit, V5=V4×Vf, through RC low-pass filter, the DC component of V5 signal is only retained in V6, through electricity
Press follower, V7=V6；
4) in comparison circuit, before explosion, resistance R13 and R14 are adjusted, so that V7 > Va, output voltage V8 are low level, it is quick-fried
V7 < Va after fried, output voltage V8 jump to high level from low level.
The Photoelectric Signal Processing mould photocell model 2DU10 that middle light-sensitive device uses fastly, as shown in Figure 2-5, U1 is
The operational amplifier chip of LF357, U2, U3 and U5 are OP27, and U4 OP37, multiplier chip U6 are AD633, comparator chip
For LM393；FPGA, DSP or arm processor can be used in first controller and second controller, and modulation laser can using frequency
It adjusts, the adjustable TTL of spot size modulates laser.
As shown in fig. 6, a kind of course of work of explosive field wireless type transient state trigger control method of the invention patent are as follows:
1) modulated light source device and photoelectric signal process equipment are separately fixed at explosion near test node；
2) modulated signal line is wound on powder column, system electrification, adjusts laser in the spot size of test node, it is ensured that
Light-sensitive device in optical processing device is in hot spot；
3) square wave generated to second controller and the first controller is carried out with frequency co-phasing operation；
4) amplification factor for adjusting second amplifying circuit, amplifies the output voltage V6 of locking phase amplifying circuit as far as possible, adjusts
The reference voltage Va of comparison circuit makes the reference voltage Va of comparison circuit be slightly less than negative terminal input voltage V7, i.e. Va < V7, output
Voltage V8 is low level；
5) optical processing device is properly protected processing, is arrived to detonator signal, second controller generates trigger signal.
The above described is only a preferred embodiment of the present invention, being not the limit for making any other form to the present invention
System, and made any modification or equivalent variations according to the technical essence of the invention, still fall within present invention model claimed
It encloses.
Claims (6)
1. a kind of explosive field wireless type transient state trigger control method, specific step is as follows, it is characterised in that:
1) modulated light source device and photoelectric signal process equipment are separately fixed near explosive source and test node；
2) modulated signal line is wound on powder column, system electrification, adjusts laser in the spot size of test node, it is ensured that photoelectricity
Light-sensitive device in processing unit is in hot spot；
3) square wave generated to second controller and the first controller is carried out with frequency co-phasing operation；
4) amplification factor for adjusting second amplifying circuit, amplifies the output voltage V6 of locking phase amplifying circuit, adjusts comparison circuit
Reference voltage Va, makes the reference voltage Va of comparison circuit be less than negative terminal input voltage V7, i.e. Va < V7, output voltage V8 are low electricity
It is flat；
5) optical processing device is properly protected processing, is arrived to detonator signal, second controller generates trigger signal.
2. a kind of explosive field wireless type transient state trigger control method according to claim 1, it is characterized in that: the optical telecommunications
Number processing unit contains pre-amplification circuit, second amplifying circuit, locking phase amplifying circuit and comparison circuit, and the preposition amplification is electric
Road, second amplifying circuit, the mathematical relationship of locking phase amplifying circuit and comparison circuit are as follows:
1) pin 1 of P1 is photocell anode, and pin 2 is photocell negative terminal, and Vpd is to be applied to photocell reverse bias voltage,The parameter of R3, R8 are set, so that Vpd < 0, it is i, the I/V through U1 that photocell, which generates photoelectric current,
Conversion circuit obtains V0=-i × R1, then filter out caused by photronic dark current and reverse bias voltage through high-pass filtering
Low frequency component contains DC component, obtains voltage V1；
2) in second amplifying circuitThe resistance value of feedback resistance R2 is adjustable simultaneously；
3) according to the filtering principle of locking phase amplifying circuit, sense channel signal includes measured signal and noise signal, enables detection logical
Road signal is f1=s1(t)+n (t), reference signal f2=s2(t), reference signal and measured signal s1(t) with frequency, n (t) is to make an uproar
Acoustical signal
Assuming thats2(t)=sin (2 π ft), then two paths of signals is multiplied as follows:
After low-pass filtered device, as long as the cutoff frequency f of setting low-pass filtercut≤ f can filter out harmonic component, retain
DC component, amplitude information and phase information comprising measured signal, DC componentIt is proportional to the amplitude of measured signal,
In locking phase amplifying circuit, V5=V4×Vf, through RC low-pass filter, the DC component of V5 signal is only retained in V6, through voltage follow
Device, V7=V6；
4) in comparison circuit, before explosion, resistance R13 and R14 are adjusted, so that V7 > Va, output voltage V8 are low level, after explosion
V7 < Va, output voltage V8 jump to high level from low level.
3. a kind of explosive field wireless type transient state trigger control method according to claim 1, it is characterized in that: modulation laser by
It modulates laser to generate, the signal transmission of detonator signal and optical processing device that the modulation laser generates is believed using laser
Number.
4. a kind of explosive field wireless type transient state trigger control method according to claim 3, it is characterized in that: the modulation swashs
Light device selects the adjustable TTL of spot size to modulate laser.
5. a kind of explosive field wireless type transient state trigger control method according to claim 2, it is characterized in that: the locking phase is put
Big circuit is made of multiplier circuit and low-pass filter circuit, and the cutoff frequency of low-pass filter circuit is generated less than the second amplifier
Reference signal frequency.
6. a kind of explosive field wireless type transient state trigger control method according to claim 2, it is characterized in that: the photosensor
Part uses photocell, and the pre-amplification circuit, second amplifying circuit use operational amplification circuit chip, the comparison circuit
Amplifier chip is using comparator chip, first controller and second controller by FPGA or DSP or arm processor and its outer
Enclose circuit composition.
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| CN101476845A (en) * | 2009-01-23 | 2009-07-08 | 陈纳爽 | Light-operated security type blasting machine |
| JP2010253088A (en) * | 2009-04-27 | 2010-11-11 | Citizen Holdings Co Ltd | Automatic start-signaling pistol, time measuring device, and time measuring system |
| CN202994000U (en) * | 2012-12-28 | 2013-06-12 | 新时代民爆（辽宁）股份有限公司 | Optical fiber detonator |
| CN104964616A (en) * | 2015-05-29 | 2015-10-07 | 中航光电科技股份有限公司 | Laser ignition detonator and laser ignition detonation system |
| CN205828876U (en) * | 2016-06-21 | 2016-12-21 | 中国工程物理研究院应用电子学研究所 | High power laser fuse pulsed drive source |
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2017
- 2017-06-01 CN CN201710404748.1A patent/CN107132797B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101476845A (en) * | 2009-01-23 | 2009-07-08 | 陈纳爽 | Light-operated security type blasting machine |
| JP2010253088A (en) * | 2009-04-27 | 2010-11-11 | Citizen Holdings Co Ltd | Automatic start-signaling pistol, time measuring device, and time measuring system |
| CN202994000U (en) * | 2012-12-28 | 2013-06-12 | 新时代民爆（辽宁）股份有限公司 | Optical fiber detonator |
| CN104964616A (en) * | 2015-05-29 | 2015-10-07 | 中航光电科技股份有限公司 | Laser ignition detonator and laser ignition detonation system |
| CN205828876U (en) * | 2016-06-21 | 2016-12-21 | 中国工程物理研究院应用电子学研究所 | High power laser fuse pulsed drive source |
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