CN112986655A - Detection device and method for aircraft initiating explosive device - Google Patents
Detection device and method for aircraft initiating explosive device Download PDFInfo
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- CN112986655A CN112986655A CN202110207726.2A CN202110207726A CN112986655A CN 112986655 A CN112986655 A CN 112986655A CN 202110207726 A CN202110207726 A CN 202110207726A CN 112986655 A CN112986655 A CN 112986655A
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- 239000002360 explosive Substances 0.000 title claims abstract description 123
- 230000000977 initiatory effect Effects 0.000 title claims abstract description 123
- 238000001514 detection method Methods 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000005474 detonation Methods 0.000 claims abstract description 38
- 238000012544 monitoring process Methods 0.000 claims abstract description 18
- 230000000694 effects Effects 0.000 claims abstract description 14
- 239000003990 capacitor Substances 0.000 claims description 22
- 238000005070 sampling Methods 0.000 claims description 15
- 238000001914 filtration Methods 0.000 claims description 13
- 230000001143 conditioned effect Effects 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 7
- 238000004880 explosion Methods 0.000 claims description 6
- 230000037452 priming Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/0092—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring current only
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B35/00—Testing or checking of ammunition
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/08—Measuring resistance by measuring both voltage and current
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- Physics & Mathematics (AREA)
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
One embodiment of the invention discloses a detection device and a method for an aircraft initiating explosive device, wherein the device comprises the following components: the device comprises an initiating explosive device igniting control module, an igniting effect monitoring module and an initiating explosive device on-track state detection module, wherein the initiating explosive device igniting control module is used for controlling the igniting of an initiating explosive device bridge wire; the detonation effect monitoring module is used for monitoring the current value of the initiating explosive device bridge wire when the initiating explosive device bridge wire executes a detonation instruction; the initiating explosive device on-orbit state detection module is used for detecting the state of the initiating explosive device bridge wire.
Description
Technical Field
The invention relates to the field of detection of initiating explosive devices. And more particularly to an aircraft initiating explosive device detection apparatus and method.
Background
The ignition control and monitoring circuit of the aircraft initiating explosive device is usually paid high attention and repeatedly calculated, once the aircraft is assembled, the initiating explosive device is generally tested by a ground test interface special for the initiating explosive device, the aircraft is not tested after launching and taking off, and a flight control program is strictly executed.
Disclosure of Invention
In view of the above, a first embodiment of the present invention provides a detection device for an aircraft initiating explosive device, including:
an initiating explosive device detonation control module, a detonation effect monitoring module and an initiating explosive device on-orbit state detection module, wherein,
the initiating explosive device detonation control module is used for controlling detonation of the initiating explosive device bridge wire;
the detonation effect monitoring module is used for monitoring the current value of the initiating explosive device bridge wire when the initiating explosive device bridge wire executes a detonation instruction;
the initiating explosive device on-orbit state detection module is used for detecting the state of the initiating explosive device bridge wire.
In a specific embodiment, the initiating explosive device detonation control module comprises: an initiating explosive positive wire, an initiating explosive return wire, a positive wire switch, a return wire switch, a current-limiting resistor and an initiating explosive bridge wire,
the current-limiting resistor and the initiating explosive device bridging filament are used for controlling the current value in an initiating explosive device explosion value range;
the positive line switch and the return line switch are used for controlling the opening or closing of the detonation process;
the initiating explosive device positive line and the initiating explosive device return line are used for transmitting current.
In a specific embodiment, the detonation effect monitoring module includes: current sampling resistor, operational amplifier, kit unit and signal filtering module, wherein
The current sampling resistor is used for converting a current signal into a voltage signal,
the operational amplifier and the kit are configured to condition the voltage signal,
the signal filtering module is used for filtering the voltage signal.
In one embodiment, the accessory unit includes a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor, a second capacitor, a third capacitor, and a fourth capacitor, wherein,
the first end of the first resistor is connected with the first end of the current sampling resistor, the second end of the first resistor is connected with the non-inverting input end of the operational amplifier, the first end of the second resistor is connected with the second end of the current sampling resistor, and the second end of the second resistor is connected with the inverting input end of the operational amplifier;
the first end of the fifth resistor is connected with the inverting input end of the operational amplifier, and the second end of the fifth resistor is connected with the output end of the operational amplifier;
the third capacitor is connected in parallel with the fifth resistor;
the first power supply end of the operational amplifier is connected with the power input through the fourth resistor and is grounded through the fourth capacitor, and the second power supply end of the operational amplifier is directly grounded; the output end of the operational amplifier outputs the conditioned voltage signal, and the conditioned voltage signal is output to the signal filtering module through the sixth resistor.
In one embodiment, the signal filtering module comprises: a first capacitor, a diode, and a seventh resistor, wherein,
the cathode of the diode is connected with the second end of the seventh resistor, the anode of the diode is grounded,
the first capacitor is connected with the diode in parallel, and the seventh resistor is connected with the diode in parallel.
In one embodiment, the priming system on-track state detection module comprises: the first control switch and the second control switch are used for controlling whether to acquire voltage signals or not;
an eighth resistor and a ninth resistor for converting a current value into a voltage value, wherein,
the first end of the first control switch is connected with the first end of the initiating explosive device bridge wire, and the second end of the first control switch is connected with the first end of the eighth resistor;
the second end of the eighth resistor is connected with a power supply;
the first end of the second control switch is connected with the second end of the initiating explosive device bridge wire, and the second end of the second control switch is connected with the first end of the ninth resistor;
and the second end of the ninth resistor is grounded.
In a specific embodiment, the current sampling resistor includes a tenth resistance and an eleventh resistance,
wherein the content of the first and second substances,
the first end of the tenth resistor is connected with the positive line switch, and the second end of the tenth resistor is connected with the return line switch;
the eleventh resistor is connected in parallel with the tenth resistor.
A second embodiment of the present invention provides a method for detecting an aircraft initiating explosive device, including:
the initiating explosive device igniting control module controls the igniting of the initiating explosive device bridge wire;
the detonation effect monitoring module monitors a current value of the initiating explosive device bridge wire during detonation;
the initiating explosive device on-orbit state detection module detects the state of the initiating explosive device bridge wire.
In a specific embodiment, the igniting of the initiating explosive device bridge wire comprises:
the positive wire switch and the return wire switch are closed, the detonation process is started, so that the initiating explosive device bridge wire completes the detonation, the positive wire switch and the return wire switch are disconnected, the detonation process is closed,
the current value of the current-limiting resistor and the initiating explosive device bridging filament is controlled in an initiating explosive device explosion value range, and the initiating explosive device positive line and the initiating explosive device return line transmit current.
In a specific embodiment, the detecting the state of the initiating explosive device bridgewire comprises:
the first control switch and the second control switch are closed to start collecting voltage signals,
an eighth resistor and a ninth resistor for converting a current value into a voltage value,
after the voltage signal is collected, the resistance value of the initiating explosive device bridge wire is calculated, and the state of the initiating explosive device is determined.
The invention has the following beneficial effects:
the invention adopts the on-orbit detection module of the initiating explosive device arranged on the aircraft, realizes the on-orbit real-time detection of the bridge wire state of the initiating explosive device, and the health diagnosis capability of the on-orbit detection module provides guarantee for the normal ignition of the initiating explosive device. Meanwhile, the resistance characteristics of the bridge wire of the initiating explosive device before and after the initiating explosive device is ignited can be obviously changed, and the initiating explosive device on-track detection module adopted by the invention can be used as a feedback signal for judging the initiating explosive device igniting result after the initiating explosive device igniting instruction is executed, so that the initiating explosive device igniting result can be represented timely and accurately.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 shows a detection device architecture diagram of an aircraft initiating explosive device according to one embodiment of the invention
Fig. 2 shows a schematic diagram of an explosion effect monitoring module according to an embodiment of the present invention.
Fig. 3 illustrates an initiating explosive device on-track state detection module according to one embodiment of the invention.
FIG. 4 illustrates a flow chart of a method for detecting an aircraft initiating explosive device according to one embodiment of the invention.
Detailed Description
In order to make the technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, a detection device for an aircraft initiating explosive device comprises:
an initiating explosive device ignition control module 10 (not shown in figure 1), an ignition effect monitoring module 20 and an initiating explosive device on-track state detection module 30,
in one specific example, as shown in fig. 1, the initiating explosive device detonation control module includes: an initiating explosive positive wire 101, an initiating explosive return wire 102, a positive wire switch 103, a return wire switch 104, a current limiting resistor 105 and an initiating explosive bridge wire 106.
As shown in fig. 2, the detonation effect monitoring module includes: current sampling resistor, operational amplifier U2, kit and signal filtering module, wherein the kit includes: a first resistor R11, a second resistor R12, a third resistor R13, a fourth resistor R14, a fifth resistor R15, a sixth resistor R16, a second capacitor C11, a third capacitor C12 and a fourth capacitor C13, wherein,
a first end of the first resistor R11 is connected with a first end of the current sampling resistor, a second end of the first resistor R11 is connected with a non-inverting input end of the operational amplifier U2, a first end of the second resistor R12 is connected with a second end of the current sampling resistor, and the second end of the second resistor R8926 is connected with an inverting input end of the operational amplifier U2;
a first end of the fifth resistor R15 is connected with an inverting input end of the operational amplifier U2, and a second end is connected with an output end of the operational amplifier U2;
the third capacitor R13 is connected in parallel with the fifth resistor R15;
a first power supply end of the operational amplifier U2 is connected with a power supply input through the fourth resistor R14 and is grounded through the fourth capacitor C13, and a second power supply end is directly grounded; the output end of the operational amplifier U2 outputs the conditioned voltage signal, and the conditioned voltage signal is output to the signal filtering module through a sixth resistor R16.
The current sampling resistor includes: a tenth resistor R17 and an eleventh resistor R18.
A first end of the tenth resistor R17 is connected with the positive line switch, and a second end is connected with the return line switch;
the eleventh resistor is connected in parallel with the ninth resistor.
The signal filtering module includes: a first capacitor C14, a diode D11, and a seventh resistor R19, wherein,
the cathode of the diode D11 is connected to the second terminal of the seventh resistor R19, the anode thereof is grounded,
the first capacitor C14 is connected in parallel with the diode D11, and the seventh resistor R19 is connected in parallel with the diode D11.
The on-orbit state detection module for the initiating explosive device as shown in fig. 3 comprises: a first control switch S1 and a second control switch S2, an eighth resistor R1 and a ninth resistor R2. The first control switch and the second control switch may be a dual-contact control switch, may be a single-contact control switch, and are not limited herein, and the dual-contact control switch in fig. 3 is merely an example, where S1-1 and S1-2 are the first control switches S1, and S2-1 and S2-2 are the second control switches S2.
The first end of the first control switch is connected with the first end of the initiating explosive device bridge wire, and the second end of the first control switch is connected with the first end of the eighth resistor;
the second end of the eighth resistor is connected with a power supply;
the first end of the second control switch is connected with the second end of the initiating explosive device bridge wire, and the second end of the second control switch is connected with the first end of the ninth resistor;
and the second end of the ninth resistor is grounded.
As shown in fig. 4, a method for detecting an aircraft initiating explosive device includes:
the initiating explosive device igniting control module controls the igniting of the initiating explosive device bridge wire;
more specifically, the current-limiting resistor and the initiating explosive device bridging filament enable the loop current to be in a conventional initiating explosive device detonation value range, and according to the set combination time sequence of the aircraft, the multistage control switch controls the positive line switch to be closed and the return line switch to be closed to send out an detonation pulse, so that the initiating explosive device bridging filament completes the detonation action, the positive line switch is controlled to be disconnected and the return line switch is controlled to be disconnected, and the detonation control process is ended.
The detonation effect monitoring module monitors a current value of the initiating explosive device bridge wire during detonation;
more specifically, between the input of the current for initiating explosive explosion and the output of the initiating explosive circuit, the current sampling resistors R17 and R18 are used for converting the current signal into a voltage signal, the voltage signal is conditioned by the operational amplifier U2 and the matching elements, and finally the voltage signal is output to the next stage after being clamped by the diode D11 and filtered by the capacitor C14, so that the conditioning of the current acquisition signal is completed.
The initiating explosive device on-orbit state detection module detects the state of the initiating explosive device bridge wire.
More specifically, the on-track detection circuit of the initiating explosive device and the control circuit of the initiating explosive device are completely isolated and do not influence each other, so that the two circuits are limited not to act simultaneously. When the initiating explosive device bridging filament is detected, double-contact control switches S1 and S2 are sequentially closed according to a set program, a complete closed loop is formed by detecting signals of a link VCC-R1- (S2-1) - (S1-1) -the initiating explosive device bridging filament- (S1-2) - (S2-2) -R2, voltage signals V1 and V2 are collected, and the resistance value of the initiating explosive device bridging filament can be calculated by an ohm theorem, so that the state of the initiating explosive device is determined.
It should be understood that the above-mentioned embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention, and it will be obvious to those skilled in the art that other variations or modifications may be made on the basis of the above description, and all embodiments may not be exhaustive, and all obvious variations or modifications may be included within the scope of the present invention.
Claims (10)
1. A detection device for an aircraft initiating explosive device, comprising:
an initiating explosive device detonation control module, a detonation effect monitoring module and an initiating explosive device on-orbit state detection module, wherein,
the initiating explosive device detonation control module is used for controlling detonation of the initiating explosive device bridge wire;
the detonation effect monitoring module is used for monitoring the current value of the initiating explosive device bridge wire when the initiating explosive device bridge wire executes a detonation instruction;
the initiating explosive device on-orbit state detection module is used for detecting the state of the initiating explosive device bridge wire.
2. The apparatus of claim 1, wherein the initiating explosive device detonation control module comprises: an initiating explosive positive wire, an initiating explosive return wire, a positive wire switch, a return wire switch, a current-limiting resistor and an initiating explosive bridge wire,
the current-limiting resistor and the initiating explosive device bridging filament are used for controlling the current value in an initiating explosive device explosion value range;
the positive line switch and the return line switch are used for controlling the opening or closing of the detonation process;
the initiating explosive device positive line and the initiating explosive device return line are used for transmitting current.
3. The apparatus of claim 1, wherein the detonation effect monitoring module comprises: current sampling resistor, operational amplifier, kit unit and signal filtering module, wherein
The current sampling resistor is used for converting a current signal into a voltage signal,
the operational amplifier and the kit are configured to condition the voltage signal,
the signal filtering module is used for filtering the voltage signal.
4. The apparatus of claim 3, wherein the companion unit comprises a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor, a second capacitor, a third capacitor, and a fourth capacitor, wherein,
the first end of the first resistor is connected with the first end of the current sampling resistor, the second end of the first resistor is connected with the non-inverting input end of the operational amplifier, the first end of the second resistor is connected with the second end of the current sampling resistor, and the second end of the second resistor is connected with the inverting input end of the operational amplifier;
the first end of the fifth resistor is connected with the inverting input end of the operational amplifier, and the second end of the fifth resistor is connected with the output end of the operational amplifier;
the third capacitor is connected with the fifth resistor in parallel;
the first power end of the operational amplifier is connected with the power input through the fourth resistor and is grounded through the fourth capacitor, and the second power end of the operational amplifier is directly grounded; the output end of the operational amplifier outputs the conditioned voltage signal, and the conditioned voltage signal is output to the signal filtering module through the sixth resistor.
5. The apparatus of claim 3, wherein the signal filtering module comprises: a first capacitor, a diode, and a seventh resistor, wherein,
the cathode of the diode is connected with the second end of the seventh resistor, the anode of the diode is grounded,
the first capacitor is connected with the diode in parallel, and the seventh resistor is connected with the diode in parallel.
6. The apparatus of claim 1,
the priming system on-orbit state detection module comprises: the first control switch and the second control switch are used for controlling whether to acquire voltage signals or not;
an eighth resistor and a ninth resistor for converting a current value into a voltage value, wherein,
the first end of the first control switch is connected with the first end of the initiating explosive device bridge wire, and the second end of the first control switch is connected with the first end of the eighth resistor;
the second end of the eighth resistor is connected with a power supply;
the first end of the second control switch is connected with the second end of the initiating explosive device bridge wire, and the second end of the second control switch is connected with the first end of the ninth resistor;
and the second end of the ninth resistor is grounded.
7. The apparatus of claim 3,
the current sampling resistor includes a tenth resistance and an eleventh resistance, wherein,
the first end of the tenth resistor is connected with the positive line switch, and the second end of the tenth resistor is connected with the return line switch;
the eleventh resistor is connected in parallel with the tenth resistor.
8. A method for detecting an aircraft initiating explosive device is characterized by comprising the following steps:
the initiating explosive device igniting control module controls the igniting of the initiating explosive device bridge wire;
the detonation effect monitoring module monitors a current value of the initiating explosive device bridge wire during detonation;
the initiating explosive device on-orbit state detection module detects the state of the initiating explosive device bridge wire.
9. The method of claim 8, wherein the detonating of the initiating explosive device bridgewire comprises:
the positive wire switch and the return wire switch are closed, the detonation process is started, so that the initiating explosive device bridge wire completes the detonation, the positive wire switch and the return wire switch are disconnected, the detonation process is closed,
the current value of the current-limiting resistor and the initiating explosive device bridging filament is controlled in an initiating explosive device explosion value range, and the initiating explosive device positive line and the initiating explosive device return line transmit current.
10. The method of claim 8, wherein the detecting the state of the initiating explosive device bridgewire comprises:
the first control switch and the second control switch are closed to start collecting voltage signals,
an eighth resistor and a ninth resistor for converting a current value into a voltage value,
after the voltage signal is collected, the resistance value of the initiating explosive device bridge wire is calculated, and the state of the initiating explosive device is determined.
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| CN202110207726.2A CN112986655A (en) | 2021-02-25 | 2021-02-25 | Detection device and method for aircraft initiating explosive device |
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