CN104506173B - A kind of highly reliable, high-precision time fuse firing circuit - Google Patents
A kind of highly reliable, high-precision time fuse firing circuit Download PDFInfo
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- CN104506173B CN104506173B CN201410273737.0A CN201410273737A CN104506173B CN 104506173 B CN104506173 B CN 104506173B CN 201410273737 A CN201410273737 A CN 201410273737A CN 104506173 B CN104506173 B CN 104506173B
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Abstract
A kind of highly reliable, high-precision time fuse firing circuit, the time fuse firing circuit is made up of input control signal circuit, logic combination circuit, delay circuit, PhotoMOS relay drive circuit；The time fuse firing circuit is isolated input signal and logic control signal by inputting the optocoupler of control signal circuit, a kind of logic control signal produces level of determination into logic combination circuit digital circuit after being handled by delay circuit carries out secondary comparison, when the signal after comparing is low level, the isolation of signal and output is controlled by the PhotoMOS relay drive circuit, time fuse firing circuit is started working；When the signal after comparing is high level, time fuse firing circuit is in holding state.The control ability of cut-out output when being changed present invention mainly solves the anti-interference and target of product.
Description
Technical field
The present invention relates to electronic time unit technical field, a kind of highly reliable, high-precision time fuse igniting is referred specifically to
Circuit.
Background technology
Time fuse firing technique is mainly used in aerial burst, jumps and fry, penetrate target after-explosion and go deep into target（Such as defend work
Thing etc.）The occasion of the various timed detonations such as internal explosion, can also be used in flare, dispense chaff flare, smoke shell, electromagnetic interference
Bullet, FAE. bomblet, minelaying shell, during the body of Rocket Cargo Projectile etc. opens a position, therefore the precision of electronic time fuze firing circuit will be straight
The time precision that influence body opens the cabin is connect, the precision of time fuse firing circuit just turns into the key that body detonates and opened the cabin
Index.In today that information is flourishing, as long as pull-in frequency may be detected or disturbed by enemy in equipment or instrument, and it is many to close
Exactly because key instrument is interfered and sends false command and cause unnecessary loss, this is accomplished by a kind of high accuracy, Gao Ke
This function of the circuit realiration leaned on.
Electronic time fuze is the time fuse using electronic time unit timing.By the form using circuit, it can be divided into
Digital electronic time fuse and analog electronic time fuze.The digital timing circuit of digital electronic time fuse application, be
Control what is be under fire by the umber of pulse of concussion electric pulse during record etc..Analog electronic time fuze is to utilize curtage
According to certain rules, the characteristic changed over time realizes time setting, and analog electronic time fuze is mainly used in aviation determines
When the ammunition such as bomb.The class circuit of the above two is all to use printed board（Pcb board）Manufactured with plastic device, with volume is big, work
Temperature range is narrow, antijamming capability and the shortcomings of poor reliability.
The action principle of time fuse firing circuit is usually to be timed dress to time setting mechanism according to target information
Fixed, bullet is in certain state（Such as start flight）When, time set starts timing, reaches and is lighted a fire after the predetermined time.The medicine of early stage
Disk extension time ignition control device, watch time control device, are that various targets, environmental information are received simultaneously by user
After being handled, by being set to ignition setting device, ignition control device is sent to, the accuracy of timekeeping of its time of ignition,
The machining accuracy of batch pan or clockwork is depended entirely on, therefore error can only be typically controlled 10% or so.It is newest to succeed in developing
Intelligent ignition controlling organization, inherently with information receive and processing system, can experience automatically various targets and environment letter
Breath, is handled the information received, then controls the ignition opportunity of fuse, and the error of timing can be controlled 0.1%, from
And increase substantially the combination property of fuse.The present invention be exactly intelligently be under fire control on the basis of research and develop one kind high accuracy,
It is highly reliable, jamproof time fuse firing circuit.
The content of the invention
The present invention provides a kind of highly reliable, high-precision time fuse firing circuit, by isolating Time-delayed trigger, works as the time
After fuse igniting triggering, if target changes or operating mistake, we can input the level of control signal by changing
To close output.
Therefore, the technical scheme used for：
A kind of highly reliable, high-precision time fuse firing circuit, the time fuse firing circuit is by input control signal
Circuit, logic combination circuit, delay circuit, PhotoMOS relay drive circuit composition；The time fuse firing circuit passes through defeated
The optocoupler for entering control signal circuit isolates input signal and logic control signal, and the logic control signal passes through delay circuit
The digital circuit that a kind of level of determination into logic combination circuit are produced after processing carries out secondary comparison, signal after comparing
During for low level, the isolation of signal and output is controlled by the PhotoMOS relay drive circuit, time fuse is lighted a fire
Circuit is started working；When the signal after comparing is high level, time fuse firing circuit is in holding state.
The input control signal circuit includes：Input, control signal Vin1、CO1, Vin2、CO2, Vin3、CO3, Vin4、
CO4, optocoupler IC1, IC2, pull-up resistance R1、R2、R3、R4, electric capacity C1, C2, C3, C4, diode D1, D2, D3, D4 composition；
Specific connection is as follows：
Input signal Vin1With electric capacity C1, diode D1 one end with and optocoupler IC1 4 pin be connected, control signal CO1With
Electric capacity C1, the diode D1 other end and optocoupler IC1 3 pin are connected；
Input signal Vin2It is connected with electric capacity C2, diode D2 one end with optocoupler IC1 1 pin, control signal CO2And electricity
2 pin for holding C2, the diode D2 other end and optocoupler IC1 are connected；
Input signal Vin3It is connected with electric capacity C3, diode D3 one end and optocoupler IC2 4 pin, control signal CO3And electricity
3 pin for holding C3, the diode D3 other end and optocoupler IC2 are connected；
Input signal Vin4It is connected with electric capacity C4, diode D4 one end and optocoupler IC2 1 pin, control signal CO4And electricity
2 pin for holding C4, the diode D4 other end and optocoupler IC2 are connected；
The emitting stage of 5 pin of the optocoupler IC1 and IC2 with being all connected with the simulation of circuit inside GND, optocoupler IC1 and IC2
Device inside be connected and with the simulation of circuit GND communicate；
6 pin, 7 pin of the optocoupler IC1 connect pull-type resistance R respectively1、R2One end, pull-up resistance R1、R2It is another
One end meets supplying digital circuits power supply VCC；
6 pin, 7 pin of the optocoupler IC2 connect pull-type resistance R respectively3 、R4One end, pull-up resistance R3 、R4's
Another termination supplying digital circuits power supply VCC；
Described optocoupler IC1, IC2 8 pin with supplying digital circuits power supply VCCIt is connected.
The logic combination circuit includes：Digital circuit IC3, IC8 and shunt capacitance C5, for patrolling for the input signal that converts
Collect level, it is ensured that the correctness of output signal；Its annexation is as follows：
1 pin, 2 pin of the digital circuit IC3 connect 7 pin, 6 pin of the optocoupler IC1；
Digital circuit IC3 3 pin connect the digital circuit IC4 of the delay circuit 6 pin and with digital circuit IC8's
1 pin is connected；
Digital circuit IC3 12 pin, 13 pin connect 7 pin, 6 pin of the optocoupler IC2；
Digital circuit IC3 7 pin connect the ground GND' of digital circuit；
Digital circuit IC3 11 pin connect the digital circuit IC5 of the delay circuit 6 pin and with digital circuit IC8
6 pin be connected；
Digital circuit IC3 14 pin connection supplying digital circuits power supply VCC, power supply VCCOne end connection bypass electricity
Hold C5, the C5The other end connect digital circuit ground GND'；
IC3 4 pin, 5 pin, 6 pin, 8 pin, 9 pin, 10 pin are hanging；
2 pin of the digital circuit IC8 are connected with the digital circuit IC4 of the delay circuit 8 pin；
Digital circuit IC8 3 pin, 13 pin are connected, and 4 pin, 12 pin are connected；
Digital circuit IC8 5 pin are connected with the IC5 of the digital circuit of the delay circuit 8 pin；
Digital circuit IC8 7 pin and the ground GND' connections of digital circuit；
Digital circuit IC8 8 pin are connected with the digital circuit IC9 of the PhotoMOS relay drive circuit 10 pin；
Digital circuit IC8 9 pin are connected with the digital circuit IC7 of the delay circuit 8 pin；
Digital circuit IC8 10 pin are connected with the digital circuit IC9 of the PhotoMOS relay drive circuit 3 pin；
Digital circuit IC8 11 pin are connected with the digital circuit IC7 of the delay circuit 6 pin and IC6 6 pin；
Digital circuit IC8 14 pin are connected with supplying digital circuits power supply VCC.
The delay circuit includes：Digital circuit IC4, IC5, IC6, IC7, shunt capacitance C10, the delay circuit are used for
There is maloperation when preventing time fuse firing circuit from working or target change after shut-off output in time, it is ensured that occur abnormal
When the reliability that works；Its annexation is as follows：
1 pin, 2 pin, 3 pin of the digital circuit IC4 connect resonant resistance R5, resonant capacitance C6, compensation resistance R6 respectively
One end, resonant resistance R5, resonant capacitance C6, the compensation resistance R6 other end are connected with each other；
3 pin of digital circuit IC3 in digital circuit IC4 6 pin and the logic combination circuit and digital IC circuit 8
1 pin be connected；
Digital circuit IC4 8 pin are connected with 2 pin of the digital circuit IC8；
Digital circuit IC4 4 pin and 11 pin are hanging, and its 5 pin, 7 pin, 10 pin, 13 pin connect the ground GND' of digital circuit,
9 pin, 12 pin, 14 pin are connected with supplying digital circuits power supply VCC；
1 pin, 2 pin, 3 pin of the digital circuit IC5 connect resonant resistance R7, resonant capacitance C7, compensation resistance R8 respectively
One end, resonant resistance R7, resonant capacitance C7, the compensation resistance R8 other end are connected with each other；
11 pin and digital circuit of digital circuit IC5 6 pin and the digital circuit IC3 in the logic combination circuit
IC8 6 pin connection；
The IC5 of the digital circuit 8 pin are connected with 5 pin of the digital circuit IC8 in the logic combination circuit；
Digital circuit IC5 4 pin and 11 pin are hanging, and its 5 pin, 7 pin, 10 pin, 13 pin connect the ground GND' of digital circuit,
Its 9 pin, 12 pin, 14 pin are connected with supplying digital circuits power supply VCC；
1 pin, 2 pin, 3 pin of the digital circuit IC6 connect resonant resistance R9, resonant capacitance C8, compensation resistance R10 respectively
One end is connected, and resonant resistance R9, resonant capacitance C8, the compensation resistance R10 other end are connected with each other；
Digital circuit IC6 4 pin and 11 pin are hanging, and its 5 pin, 7 pin, 10 pin, 13 pin connect the ground GND' of digital circuit,
Its 9 pin, 12 pin, 14 pin are connected with supplying digital circuits power supply VCC；
Digital circuit IC6 6 pin are connected with 11 pin of the digital circuit IC8 in the logic combination circuit；
1 pin, 2 pin, 3 pin of the digital circuit IC7 connect resonant resistance R11, resonant capacitance C9, compensation resistance respectively
R12 one end is connected, and resonant resistance R11, resonant capacitance C9, the compensation resistance R12 other end are connected with each other；
Digital circuit IC7 6 pin are connected with 11 pin of the digital circuit IC8 in the logic combination circuit；
Digital circuit IC7 8 pin are connected with 9 pin of the digital circuit IC8 in the logic combination circuit；
Digital circuit IC7 4 pin and 11 pin are hanging, and its 5 pin, 7 pin, 10 pin, 13 pin connect the ground GND' of digital circuit,
Its 9 pin, 12 pin, 14 pin are connected with supplying digital circuits power supply VCC；
One end of the supplying digital circuits power supply VCC connects the shunt capacitance C10, the shunt capacitance C10 other ends
Connect the ground GND' of digital circuit.
The PhotoMOS relay drive circuit includes：Digital circuit IC9, current-limiting resistance R13, R14, R15, driving three
Pole pipe Q1 and PhotoMOS relay IC10；Triode Q1 is driven to improve the driving force of digital circuit IC9 output in circuit,
Discharge loop, PhotoMOS relay IC10 secondary isolations logical signal and output are provided for PhotoMOS relay IC10, product is improved
Antijamming capability and reliability；Its annexation is as follows：
3 pin of the digital circuit IC9 are connected with 10 pin of the digital circuit IC8 in the logic combination circuit；
Digital circuit IC9 11 pin are connected with the digital circuit IC6 of the delay circuit 8 pin；
Digital circuit IC9 10 pin are connected with 8 pin of the digital circuit IC8 in the logic combination circuit；
Digital circuit IC9 4 pin are connected with current-limiting resistance R15 one end, current-limiting resistance the R15 other end and driving three
Pole pipe Q1 base stage is connected, and driving triode Q1 emitter stage is connected with the ground GND' of digital circuit, driving triode Q1 collection
Electrode is connected with the common cathode of light emitting diode D5, D6 in PhotoMOS relay IC10, luminous in PhotoMOS relay IC10
Diode D5 anode is connected with current-limiting resistance R14 one end, resistance the R14 other end and supplying digital circuits power supply VCCPhase
Even, the anode of the light emitting diode D6 in PhotoMOS relay IC10 is connected with current-limiting resistance R13 one end, current-limiting resistance R13
The other end and supplying digital circuits power supply VCCIt is connected.
Digital circuit IC9 1 pin, 2 pin, 5 pin, 6 pin, 8 pin, 9 pin, 12 pin, 13 pin are hanging；
Digital circuit IC9 7 pin are connected with the ground GND' of digital circuit；
Digital circuit IC9 14 pin are connected with supplying digital circuits power supply VCC.
Beneficial effects of the present invention are as follows：
1. the reliability of raising time fuse firing circuit of the present invention：Introduce the concept of isolation delay and running, it is ensured that production
Product because be disturbed or misoperation caused by fuse false triggering light a fire.
2. improve the antijamming capability of time fuse firing circuit：Introducing optocoupler, isolation input signal and logic level
Conversion, improves input impedance.PhotoMOS relay, isolation delay and running signal and output are introduced, reduces trigger signal to input
Interference.
3. optimizing input signal, control signal can be become to DC level, reduce shadow of the external interference source to input
Ring.
4. using the manufacture of thick film hybrid integrated circuit technique, small volume, reliability is high, and operating temperature range is wide（-55℃
~125 DEG C）, product can be operated in rugged environment.
Brief description of the drawings
Fig. 1 is circuit block diagram of the invention；
Fig. 2 is present invention input control signal circuit schematic diagram；
Fig. 3 is circuit working timing figure of the invention；
Fig. 4 is logic combination circuit schematic diagram of the present invention；
Fig. 5 is delay circuit diagram of the present invention；
Fig. 6 is PhotoMOS relay driver circuit schematic diagram of the present invention；
In above-mentioned accompanying drawing, device IC1, IC2 model HCPL0630, IC3 model CD4081B, IC4, IC5, IC6, IC7
Model CD4541B, IC8 model CD4071B, IC9 model CD4069UB, Q1 model 3DG130B.
Embodiment
The present invention and its advantage are described in further detail below in conjunction with the accompanying drawings.
Reference picture 1,3, a kind of highly reliable, high-precision time fuse firing circuit, the time fuse firing circuit is by defeated
Enter control signal circuit, logic combination circuit, delay circuit, PhotoMOS relay drive circuit composition；The time fuse igniting
Circuit is isolated input signal and logic control signal by inputting the optocoupler of control signal circuit, and the logic control signal leads to
Cross and the digital circuit of level of determination into logic combination circuit a kind of is produced after delay circuit processing carry out secondary comparison, when than
When signal after relatively is low level, the isolation of signal and output is controlled by the PhotoMOS relay drive circuit, when making
Between fuse firing circuit start working；When the signal after comparing is high level, time fuse firing circuit is in holding state.
Four tunnel input signals of the input control signal circuit can be controlled by pulse or low and high level respectively, can also be by
Input signal Vin1、Vin2、Vin3、Vin4It is connected as a benchmark, control signal CO1、CO2、CO3、CO4Respectively with benchmark ratio
Compared with, for control time fuse firing circuit work or it is standby.
When circuit is standby, four tunnel control signal CO1、CO2、CO3、CO4All it is high level, closes output channel.Circuit starts
During work, input control signal is pulse or high potential, powered on moment control signal CO1、CO2、CO3、CO4All it is high level, two
Group control signal carries out front stage isolation using optocoupler, as control signal CO1Or CO2Arbitrarily to be low（The two with）, control signal
CO3Or CO4Arbitrarily to be low（The two with）, mutually or after obtain A point signals, obtain B point signals, A after A points trailing edge delay 1.8S
C point signals are obtained after point trailing edge delay 2S, after determining time delay（Time delay can be by changing oscillation resistance or shaking
The value for swinging electric capacity determines the different times）, by C point signal inversions, then with B point signal phases or obtaining D point signals, D point signals are
Negative pulse, pulse width is the difference of B point trailing edges and C point trailing edges, and the undersuing directly drives PhotoMOS relay,
Circuit is started working.Occur maloperation during in order to prevent that circuit from working or target change after turn off in time it is defeated
Go out, we add one group of delay circuit in circuit, after circuit work after delay 7mS, logic combination circuit just starts work
Make, it is ensured that the reliability worked when occurring abnormal.Circuit working timing figure is as shown in Figure 3.
By input signal Vin1、Vin2、Vin3、Vin4It is connected to reference signal, CO1、CO2、CO3、CO4Receive monolithic respectively
Machine or the command signal of command centre.
Existing time fuse firing circuit is all to use printed board（Pcb board）Manufactured with plastic device, with volume it is big,
Operating temperature range is narrow, poor reliability the shortcomings of, the present invention is using the manufacture production of thick film hybrid integrated circuit technique, using naked core
Piece is assembled, the full level Hermetic Package of metal dual-in-line, with small volume, operating temperature range be wide, high reliability.
Claims (1)
1. a kind of highly reliable, high-precision time fuse firing circuit, it is characterised in that：The time fuse firing circuit is by inputting
Control signal circuit, logic combination circuit, delay circuit, PhotoMOS relay drive circuit composition；The time fuse ignition power
Road is isolated input signal and logic control signal by inputting the optocoupler of control signal circuit, and the logic control signal passes through
The digital circuit that a kind of level of determination into logic combination circuit are produced after delay circuit processing carries out secondary comparison, when comparing
When signal afterwards is low level, the isolation of signal and output is controlled by the PhotoMOS relay drive circuit, makes the time
Fuse firing circuit is started working；When the signal after comparing is high level, time fuse firing circuit is in holding state；
The logic combination circuit includes：Digital circuit IC3, IC8 and shunt capacitance C5, the logic electricity for the input signal that converts
It is flat, it is ensured that the correctness of output signal；Its annexation is as follows：
1 pin, 2 pin connection optocoupler IC1 7 pin, 6 pin of the digital circuit IC3；
Digital circuit IC3 3 pin connect the digital circuit IC4 of the delay circuit 6 pin and with digital circuit IC8 1 pin
It is connected；
Digital circuit IC3 12 pin, 13 pin connection optocoupler IC2 7 pin, 6 pin；
Digital circuit IC3 7 pin connect the ground GND' of digital circuit；
Digital circuit IC3 11 pin connect the digital circuit IC5 of the delay circuit 6 pin and with digital circuit IC8 6 pin
It is connected；
Digital circuit IC3 14 pin connection supplying digital circuits power supply VCC, power supply VCCOne end connection shunt capacitance C5,
The C5The other end connect digital circuit ground GND'；
IC3 4 pin, 5 pin, 6 pin, 8 pin, 9 pin, 10 pin are hanging；
2 pin of the digital circuit IC8 are connected with the digital circuit IC4 of the delay circuit 8 pin；
Digital circuit IC8 3 pin, 13 pin are connected, and 4 pin, 12 pin are connected；
Digital circuit IC8 5 pin are connected with the digital circuit IC5 of the delay circuit 8 pin；
Digital circuit IC8 7 pin and the ground GND' connections of digital circuit；
Digital circuit IC8 8 pin are connected with the digital circuit IC9 of the PhotoMOS relay drive circuit 10 pin；
Digital circuit IC8 9 pin are connected with the digital circuit IC7 of the delay circuit 8 pin；
Digital circuit IC8 10 pin are connected with the digital circuit IC9 of the PhotoMOS relay drive circuit 3 pin；
Digital circuit IC8 11 pin are connected with the digital circuit IC7 of the delay circuit 6 pin and IC6 6 pin；
Digital circuit IC8 14 pin and supplying digital circuits power supply VCCIt is connected；
The delay circuit includes：Digital circuit IC4, IC5, IC6, IC7, shunt capacitance C10, the delay circuit are used to prevent
Shut-off output in time after time fuse firing circuit maloperation occurs when working or target changes, it is ensured that work when occurring abnormal
The reliability of work；Its annexation is as follows：
1 pin, 2 pin, 3 pin of the digital circuit IC4 connect resonant resistance R5, resonant capacitance C6, the one of compensation resistance R6 respectively
End, resonant resistance R5, resonant capacitance C6, the compensation resistance R6 other end are connected with each other；
The 1 of 3 pin of digital circuit IC3 in digital circuit IC4 6 pin and the logic combination circuit and digital IC circuit 8
Pin is connected；
Digital circuit IC4 8 pin are connected with 2 pin of the digital circuit IC8；
Digital circuit IC4 4 pin and 11 pin are hanging, its 5 pin, 7 pin, 10 pin, the ground GND' of 13 pin connection digital circuit, 9 pin,
12 pin, 14 pin and supplying digital circuits power supply VCCIt is connected；
1 pin, 2 pin, 3 pin of the digital circuit IC5 connect resonant resistance R7, resonant capacitance C7, compensation resistance R8 one end respectively,
Resonant resistance R7, resonant capacitance C7, the compensation resistance R8 other end are connected with each other；
The 6 of 11 pin of digital circuit IC3 in digital circuit IC5 6 pin and the logic combination circuit and digital IC circuit 8
Pin is connected；
Digital circuit IC5 8 pin are connected with 5 pin of the digital circuit IC8 in the logic combination circuit；
Digital circuit IC5 4 pin and 11 pin are hanging, and its 5 pin, 7 pin, 10 pin, 13 pin connect the ground GND' of digital circuit, and it 9
Pin, 12 pin, 14 pin and supplying digital circuits power supply VCCIt is connected；
1 pin, 2 pin, 3 pin of the digital circuit IC6 connect resonant resistance R9, resonant capacitance C8, compensation resistance R10 one end respectively
It is connected, resonant resistance R9, resonant capacitance C8, the compensation resistance R10 other end are connected with each other；
Digital circuit IC6 4 pin and 11 pin are hanging, and its 5 pin, 7 pin, 10 pin, 13 pin connect the ground GND' of digital circuit, and it 9
Pin, 12 pin, 14 pin and supplying digital circuits power supply VCCIt is connected；
Digital circuit IC6 6 pin are connected with 11 pin of the digital circuit IC8 in the logic combination circuit；
1 pin, 2 pin, 3 pin of the digital circuit IC7 connect resonant resistance R11, resonant capacitance C9, compensation resistance R12 mono- respectively
End is connected, and resonant resistance R11, resonant capacitance C9, the compensation resistance R12 other end are connected with each other；
Digital circuit IC7 6 pin are connected with 11 pin of the digital circuit IC8 in the logic combination circuit；
Digital circuit IC7 8 pin are connected with 9 pin of the digital circuit IC8 in the logic combination circuit；
Digital circuit IC7 4 pin and 11 pin are hanging, and its 5 pin, 7 pin, 10 pin, 13 pin connect the ground GND' of digital circuit, and it 9
Pin, 12 pin, 14 pin and supplying digital circuits power supply VCCIt is connected；
The supplying digital circuits power supply VCCOne end connect the shunt capacitance C10, shunt capacitance C10 other ends connection number
The ground GND' of word circuit；
The input control signal circuit includes：Input signal Vin1、Vin2、Vin3、Vin4, control signal CO1、CO2、CO3、
CO4, optocoupler IC1, IC2, pull-up resistance R1、R2、R3、R4, electric capacity C1, C2, C3, C4, diode D1, D2, D3, D4 composition；
Specific connection is as follows：
Input signal Vin1It is connected with electric capacity C1, diode D1 one end and optocoupler IC1 4 pin, control signal CO1With electric capacity C1,
The diode D1 other end and optocoupler IC1 3 pin are connected；
Input signal Vin2It is connected with electric capacity C2, diode D2 one end and optocoupler IC1 1 pin, control signal CO2With electric capacity C2,
The diode D2 other end and optocoupler IC1 2 pin are connected；
Input signal Vin3It is connected with electric capacity C3, diode D3 one end and optocoupler IC2 4 pin, control signal CO3With electric capacity C3,
The diode D3 other end and optocoupler IC2 3 pin are connected；
Input signal Vin4It is connected with electric capacity C4, diode D4 one end and optocoupler IC2 1 pin, control signal CO4With electric capacity C4,
The diode D4 other end and optocoupler IC2 2 pin are connected；
The emitting stage of 5 pin of the optocoupler IC1 and IC2 with being all connected with the simulation of circuit inside GND, optocoupler IC1 and IC2 is in device
Be connected inside part and with the simulation of circuit GND communicate；
6 pin, 7 pin of the optocoupler IC1 connect pull-type resistance R respectively1、R2One end, pull-up resistance R1、R2The other end it is equal
Meet supplying digital circuits power supply VCC；
6 pin, 7 pin of the optocoupler IC2 connect pull-type resistance R respectively3 、R4One end, pull-up resistance R3 、R4The other end
Meet supplying digital circuits power supply VCC；
Described optocoupler IC1, IC2 8 pin with supplying digital circuits power supply VCCIt is connected；
The PhotoMOS relay drive circuit includes：Digital circuit IC9, current-limiting resistance R13, R14, R15, driving triode
Q1 and PhotoMOS relay IC10；Drive triode Q1 to improve the driving force of digital circuit IC9 output in circuit, be light
MOS relays IC10 provides discharge loop, PhotoMOS relay IC10 secondary isolations logical signal and output, improves the anti-of product
Interference performance and reliability；Its annexation is as follows：
3 pin of the digital circuit IC9 are connected with 10 pin of the digital circuit IC8 in the logic combination circuit；
Digital circuit IC9 11 pin are connected with the digital circuit IC6 of the delay circuit 8 pin；
Digital circuit IC9 10 pin are connected with 8 pin of the digital circuit IC8 in the logic combination circuit；
Digital circuit IC9 4 pin are connected with current-limiting resistance R15 one end, current-limiting resistance the R15 other end and driving triode
Q1 base stage is connected, and driving triode Q1 emitter stage is connected with the ground GND' of digital circuit, driving triode Q1 colelctor electrode
It is connected with the common cathode of light emitting diode D5, D6 in PhotoMOS relay IC10, the light-emitting diodes in PhotoMOS relay IC10
Pipe D5 anode is connected with current-limiting resistance R14 one end, resistance the R14 other end and supplying digital circuits power supply VCCIt is connected, light
The anode of light emitting diode D6 in MOS relays IC10 is connected with current-limiting resistance R13 one end, and current-limiting resistance R13's is another
One end and supplying digital circuits power supply VCCIt is connected；
Digital circuit IC9 1 pin, 2 pin, 5 pin, 6 pin, 8 pin, 9 pin, 12 pin, 13 pin are hanging；
Digital circuit IC9 7 pin are connected with the ground GND' of digital circuit；
Digital circuit IC9 14 pin and supplying digital circuits power supply VCCIt is connected.
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| CN201410273737.0A CN104506173B (en) | 2014-06-19 | 2014-06-19 | A kind of highly reliable, high-precision time fuse firing circuit |
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|---|---|---|---|
| CN201410273737.0A CN104506173B (en) | 2014-06-19 | 2014-06-19 | A kind of highly reliable, high-precision time fuse firing circuit |
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| CN104506173A CN104506173A (en) | 2015-04-08 |
| CN104506173B true CN104506173B (en) | 2017-10-03 |
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| CN110145978A (en) * | 2019-06-07 | 2019-08-20 | 华夏世昌(北京)科技有限公司 | A kind of number fire extinguisher bomb and control method |
| CN112576412A (en) * | 2019-09-29 | 2021-03-30 | 北京信息科技大学 | Secondary ignition control device for small-size shoulder-resistance multistage propulsion aircraft |
| CN114923381B (en) * | 2022-05-23 | 2024-02-20 | 中国人民解放军63856部队 | Test method for checking action reliability of grenade fuze |
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| RU2066443C1 (en) * | 1991-07-29 | 1996-09-10 | Специальное конструкторское бюро "Ротор" | Setting device of electronic time fuze with outside control |
| CN201864877U (en) * | 2010-11-23 | 2011-06-15 | 东莞市创丰科技发展有限公司 | Electromagnetic clutch controller of rapier loom |
| CN102109302A (en) * | 2009-12-24 | 2011-06-29 | 中国船舶重工集团公司第七一○研究所 | Multifunctional composite fuze circuit of fire extinguishing bullet |
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2014
- 2014-06-19 CN CN201410273737.0A patent/CN104506173B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4694752A (en) * | 1986-10-02 | 1987-09-22 | Motorola, Inc. | Fuze actuating method having an adaptive time delay |
| RU2066443C1 (en) * | 1991-07-29 | 1996-09-10 | Специальное конструкторское бюро "Ротор" | Setting device of electronic time fuze with outside control |
| CN102109302A (en) * | 2009-12-24 | 2011-06-29 | 中国船舶重工集团公司第七一○研究所 | Multifunctional composite fuze circuit of fire extinguishing bullet |
| CN201864877U (en) * | 2010-11-23 | 2011-06-15 | 东莞市创丰科技发展有限公司 | Electromagnetic clutch controller of rapier loom |
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| CN104506173A (en) | 2015-04-08 |
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