CN216361543U - Electronic delay ignition circuit for interference bomb - Google Patents
Electronic delay ignition circuit for interference bomb Download PDFInfo
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- CN216361543U CN216361543U CN202220105425.9U CN202220105425U CN216361543U CN 216361543 U CN216361543 U CN 216361543U CN 202220105425 U CN202220105425 U CN 202220105425U CN 216361543 U CN216361543 U CN 216361543U
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Abstract
The utility model discloses an electronic delay ignition circuit for an interference bomb, relates to the field of delay ignition of military ammunition, and solves the problem of poor delay precision of a black powder delay device. The key points of the technical scheme are as follows: the output end of the reverse connection prevention protection circuit is electrically connected with the input ends of the projectile ignition circuit and the voltage stabilizing circuit; the output end of the reverse connection prevention protection circuit is also connected with one end of the energy storage circuit, and the other end of the energy storage circuit is electrically connected with the input end of the delay ignition circuit; the output end of the voltage stabilizing circuit is electrically connected with the input end of the timing circuit; and the output end of the timing circuit is electrically connected with the projectile ignition circuit and the delay ignition circuit. The circuit of the utility model uses the tantalum capacitor as an energy storage element, and simultaneously adopts a timing circuit formed by a timing chip to store and reuse the energy received at the moment of ignition, and the timing chip generates high-precision time to finish delayed ignition, thereby realizing accurate delayed detonation of the photoelectric interference bomb.
Description
Technical Field
The utility model relates to the field of delayed ignition of military ammunition, in particular to an electronic delayed ignition circuit for a jamming bomb.
Background
At present, the interference bomb can only adopt a traditional black powder delay device to realize a delay function due to the size, however, the black powder delay device has the factor influences of component deviation, grain size, mixing uniformity and the like, so that the problems of poor delay precision, inconsistent delay time and the like of the black powder delay device are caused. The main types of the interference bomb are two: one is an infrared interference bomb which is used for luring an enemy infrared guided weapon to separate from a real target; the other is a foil strip interference bomb used for interfering radar guidance. An infrared interference missile (also called an infrared bait missile) is mainly used for interfering a missile guided by infrared, and realizes active infrared interference on the missile guided by infrared imaging by causing a false infrared target. A foil strip interference bullet is an information ammunition with a great number of foil strips in the bullet chamber, and is launched from an airplane during working, and a bullet body is exploded under the action of a fuse and a foil strip block is thrown out. After the foil strips are scattered, the foil strips are scattered in a cloud shape and land at a low speed, a large amount of scattering signals are generated for radar signals of an enemy, the required echo cannot be distinguished, and the target is covered.
At present, the interference bomb can only adopt a traditional black powder delay device to realize a delay function due to the size, however, the black powder delay device has the influence of factors such as component deviation, grain size and mixing uniformity, and the like, so that the problems of poor delay precision, inconsistent delay time and the like of the black powder delay device are caused. The traditional black powder delay device is poor in delay precision, high in cost, easy to lose efficacy and poor in reliability due to the fact that components and a production process are complex and the traditional black powder delay device is easily influenced by environmental factors. And the accurate delay time is used as an important ring of a control strategy for the emission of the interference bomb.
Therefore, how to realize accurate control of the delay time is a problem which needs to be solved urgently at present.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an electronic delay ignition circuit for an interference bomb, which solves the problems of poor delay precision, inconsistent delay time and the like of a black powder delay device in the prior art due to the influence of factors such as component deviation, particle size, mixing uniformity and the like of the black powder delay device.
The technical purpose of the utility model is realized by the following technical scheme:
an electronic delay ignition circuit for an interference bomb comprises an anti-reverse connection protection circuit, an energy storage circuit, a projectile ignition circuit, a delay ignition circuit, a timing circuit and a voltage stabilizing circuit;
the output end of the reverse connection prevention protection circuit is electrically connected with the input ends of the projectile ignition circuit and the voltage stabilizing circuit;
the output end of the reverse connection prevention protection circuit is also connected with one end of the energy storage circuit, and the other end of the energy storage circuit is electrically connected with the input end of the delay ignition circuit;
the output end of the voltage stabilizing circuit is electrically connected with the input end of the timing circuit;
and the output end of the timing circuit is electrically connected with the projectile ignition circuit and the delay ignition circuit.
Compared with the prior art, the energy storage circuit is used for storing electric quantity, and ensures that enough electric energy is available for triggering the delay ignition head after delay time; the projectile ignition circuit is used for controlling the firing of the projectile ignition head; the delay ignition circuit is used for controlling the delay ignition head to fire; the timing circuit is used for providing a working clock, and meanwhile, the timing circuit adopts a high-precision timing chip to ensure the stability of the system clock and the precision of delay timing; the voltage stabilizing circuit adopts a high-precision voltage stabilizing chip and aims to provide stable voltage for the normal work of the delay circuit.
The delay circuit flies along with the interfering bomb, the timing circuit works by means of the electric energy stored in the energy storage circuit in the flying process, the delay circuit outputs a delay ignition signal after the delay time reaches, and the delay powder is ignited by means of the electric energy stored in the energy storage circuit again. The circuit formed by micro power consumption chips stores and recycles the energy received at the moment of ignition, and the micro power consumption chips generate high-precision time (+/-1 ms), and the delayed ignition is driven at last to realize the precise delayed detonation of the interference bomb.
Further, the reverse connection prevention protection circuit comprises a diode D1, a resistor R11, a diode D2, a capacitor C3, a resistor R4 and a diode D3;
the cathode of the diode D1 is connected to the projectile firing circuit;
the cathode of the diode D2 is connected with the voltage stabilizing circuit and one end of the capacitor C3, and the other end of the capacitor C3 is grounded;
the cathode of the diode D3 is connected with the energy storage circuit and the delay ignition circuit;
the resistor R11 is connected in parallel with the diode D1, and the resistor R4 is connected in parallel with the diode D3;
anodes of the diode D1, the diode D2, and the diode D3 are connected to a power input terminal.
Further, the energy storage circuit comprises a capacitor C5, one end of the capacitor C5 is connected with the cathode of the diode D3 and the delay ignition circuit, and the other end of the capacitor C5 is grounded.
Further, the capacitor C5 is a tantalum capacitor.
Further, the delay ignition circuit comprises a bridge wire F2, a MOS transistor Q2 and a resistor R7, one end of the bridge wire F2 is connected with the cathode of the diode D3 and one end of the capacitor C5, the other end of the bridge wire F2 is connected with the drain of the MOS transistor Q2, the gate of the MOS transistor Q2 is connected with one end of the resistor R3, the other end of the resistor R3 is grounded, and the source of the MOS transistor Q2 is grounded.
Further, the projectile ignition circuit comprises an ignition head F1, a MOS tube Q1 and a resistor R3;
one end of the ignition head F1 is connected with the cathode of a diode D1, and the other end of the ignition head F1 is connected with the drain electrode of the MOS transistor Q1;
one end of the resistor is connected with the grid electrode of the MOS transistor Q1, the other end of the resistor is grounded, and the source electrode of the MOS transistor Q1 is grounded.
Further, the voltage stabilizing circuit comprises a voltage stabilizing chip and a capacitor C2;
an IN pin, a CE pin and an EN pin of the voltage stabilizing chip are connected with a cathode of the diode D2 and one end of the capacitor C3;
and the GND pin of the voltage stabilizing chip is grounded, the OUT pin of the voltage stabilizing chip is connected with one end of the capacitor C2, and the other end of the voltage stabilizing chip is grounded.
Further, the OUT pin of the voltage stabilizing chip and one end of the capacitor C2 are connected to a 3.3V dc voltage source.
Further, the timing circuit comprises a timing chip and a resistor R8;
a P3.0/RxD/INT4 pin of the timing chip is connected with one end of the resistor R8, and the other end of the resistor R8 is grounded;
the P3.2/RxD _2/INT0/SCLK/SCL pin of the timing chip is electrically connected with the projectile ignition circuit;
the SDA _2/SS/TxD _3/T0CLKO/T1/INT3/P5.5 pin of the timing chip is electrically connected with the delay ignition circuit.
Furthermore, the timing circuit further comprises a capacitor C7, a Vcc pin of the timing chip is connected with a 3.3V direct-current voltage source, the 3.3V direct-current voltage source is connected with one end of the capacitor C7, and the other end of the capacitor C7 is grounded.
Compared with the prior art, the utility model has the following beneficial effects:
the energy storage circuit is used for storing electric quantity, and ensures that enough electric energy is available for triggering the delay ignition head after delay time; the projectile ignition circuit is used for controlling the firing of the projectile ignition head; the delay ignition circuit is used for controlling the delay ignition head to fire; the timing circuit is used for providing a working clock, and meanwhile, the timing circuit adopts a high-precision timing chip to ensure the stability of the system clock and the precision of delay timing; the voltage stabilizing circuit adopts a high-precision voltage stabilizing chip and aims to provide stable voltage for the normal work of the delay circuit. The delay circuit flies along with the interfering bomb, the timing circuit works by means of the electric energy stored in the energy storage circuit in the flying process, the delay circuit outputs a delay ignition signal after the delay time reaches, and the delay powder is ignited by means of the electric energy stored in the energy storage circuit again. The circuit formed by micro power consumption chips stores and recycles the energy received at the moment of ignition, and the micro power consumption chips generate high-precision time (+/-1 ms), and the delayed ignition is driven at last to realize the precise delayed detonation of the interference bomb.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the principles of the utility model. In the drawings:
FIG. 1 is a block diagram of various circuits provided in accordance with an embodiment of the present invention;
fig. 2 is a schematic connection diagram of components of a circuit according to an embodiment of the present invention.
Reference numbers and corresponding part names in the drawings:
1. an anti-reverse connection protection circuit; 2. a voltage stabilizing circuit; 3. a projectile firing circuit; 4. a delay ignition circuit; 5. a tank circuit; 6. a timing circuit.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
The electronic delay circuit is applied to ammunition needing delay control in the field of military ammunition, and can also be applied to control circuits needing delay triggering, such as delay starting of an electric cooker during cooking or delay starting of a washing machine during washing clothes and delay starting of other electrical appliances.
Example (b):
as shown in fig. 1, an electronic delay ignition circuit for a jamming bomb according to an embodiment of the present application includes an anti-reverse connection protection circuit 1, an energy storage circuit 5, a projectile ignition circuit 3, a delay ignition circuit 4, a timing circuit 6, and a voltage stabilizing circuit 2; the output end of the reverse connection prevention protection circuit 1 is electrically connected with the input ends of the projectile ignition circuit 3 and the voltage stabilizing circuit 2; the output end of the reverse connection prevention protection circuit 1 is also connected with one end of the energy storage circuit 5, and the other end of the energy storage circuit 5 is electrically connected with the input end of the delay ignition circuit 4; the output end of the voltage stabilizing circuit 2 is electrically connected with the input end of the timing circuit 6; the output end of the timing circuit 6 is electrically connected with the projectile ignition circuit 3 and the delay ignition circuit 4.
The energy storage circuit 5 is used for storing electric quantity, and ensures that enough electric energy is available for triggering the delay ignition head after delay time; the ejection ignition circuit 3 is used for controlling ejection ignition head to fire; the delay ignition circuit 4 is used for controlling the delay ignition head to fire; the timing circuit 6 is used for providing a working clock, and the timing circuit 6 adopts a high-precision timing chip to ensure the stability of the system clock and the precision of delay timing; the voltage stabilizing circuit 2 adopts a high-precision voltage stabilizing chip, and aims to provide stable voltage for the normal work of the delay circuit.
The energy storage circuit 5 is stored with the power source, the propellant powder is ignited, the delay circuit flies along with the interfering bomb, the timing circuit 6 works by means of the electric energy stored in the energy storage circuit 5 in the flying process, the delay circuit outputs a delay ignition signal after the delay time is reached, and the delay powder is ignited by means of the electric energy stored in the energy storage circuit 5 again. The circuit formed by micro power consumption chips stores and recycles the energy received at the moment of ignition, and the micro power consumption chips generate high-precision time (+/-1 ms), and the delayed ignition is driven at last to realize the precise delayed detonation of the interference bomb.
As shown in fig. 2, in another embodiment of the present application, the reverse connection protection circuit 1 includes a diode D1, a resistor R11, a diode D2, a capacitor C3, a resistor R4, and a diode D3;
the cathode of the diode D1 is connected to the projectile ignition circuit 3;
the cathode of the diode D2 is connected with the voltage stabilizing circuit 2 and one end of the capacitor C3, and the other end of the capacitor C3 is grounded;
the cathode of the diode D3 is connected with the energy storage circuit 5 and the delay ignition circuit 4;
the resistor R11 is connected in parallel with the diode D1, and the resistor R4 is connected in parallel with the diode D3;
anodes of the diode D1, the diode D2, and the diode D3 are connected to the power input terminal.
Specifically, as shown in fig. 2, the resistance values of the resistor R11 and the resistor R4 are both 20K, and the anodes of the diode D1, the diode D2 and the diode D3 are externally connected with a power supply input, which may be 36V or 220V.
In yet another embodiment of the present application, as shown in fig. 2, the energy storage circuit 5 includes a capacitor C5, one end of the capacitor C5 is connected to the cathode of the diode D3 and the delayed ignition circuit 4, and the other end of the capacitor C5 is connected to ground.
Specifically, the capacitance value of the capacitor C5 is 220uF, the maximum breakdown voltage is 25V, and the capacitor C5 is charged by the external voltage, so that enough electric energy is ensured to be used for firing the delay ignition head after the delay time.
In another embodiment of the present application, the capacitor C5 is a tantalum capacitor.
Specifically, as shown in fig. 2, the tantalum capacitor is a product with a small volume and a large capacitance in the capacitor, and the tantalum capacitor is used as an energy storage element, and a circuit formed by a micro-power consumption chip is used for storing and reusing energy received at the moment of ignition.
In another embodiment of the present application, as shown in fig. 2, the delay ignition circuit 4 includes a bridge filament F2, a MOS transistor Q2 and a resistor R7, one end of the bridge filament F2 is connected to the cathode of the diode D3 and one end of the capacitor C5, the other end of the bridge filament F2 is connected to the drain of the MOS transistor Q2, the gate of the MOS transistor Q2 is connected to one end of the resistor R3, the other end of the resistor R3 is grounded, and the source of the MOS transistor Q2 is grounded.
Specifically, the delay ignition circuit 4 mainly comprises an MOS transistor, and is connected with a delay control pin of the timing circuit 6 and an output end of the energy storage circuit 5, and provides energy through a capacitor C5 to ignite the delay powder, so as to realize delay ignition.
In yet another embodiment of the present application, as shown in fig. 2, the projectile firing circuit 3 includes a firing head F1, a MOS transistor Q1, and a resistor R3;
one end of the ignition head F1 is connected with the cathode of the diode D1, and the other end of the ignition head F1 is connected with the drain electrode of the MOS transistor Q1;
one end of the resistor is connected with the grid of the MOS transistor Q1, the other end of the resistor is grounded, and the source of the MOS transistor Q1 is grounded.
Specifically, a power striking and generating source is used for storing energy for a tantalum capacitor, a propellant powder is ignited at the same time, a delay circuit flies along with an interference bomb, a timing circuit 6 works by means of electric energy stored by the tantalum capacitor in the flying process, the delay circuit outputs a delay ignition signal after the delay time reaches, the delay powder is ignited by means of the electric energy stored by the tantalum capacitor again, namely the delay powder is equivalent to a propellant ignition circuit 3 which ignites the propellant powder required by flying in advance, and then the time set by the timing circuit 6 is matched with an energy storage circuit 5 to finish final delay ignition.
As shown in fig. 2, in another embodiment of the present application, the voltage regulator circuit 2 includes a regulator chip and a capacitor C2;
an IN pin, a CE pin and an EN pin of the voltage stabilizing chip are connected with a cathode of the diode D2 and one end of the capacitor C3;
the GND pin of the voltage stabilization chip is grounded, the OUT pin of the voltage stabilization chip is connected with one end of the capacitor C2, and the other end of the capacitor C2 is grounded.
Specifically, the voltage stabilizing circuit 2 provides stable voltage for the timing circuit 6, ensures stable operation of the timing circuit 6, and can improve reliability of delayed ignition, and the high-precision voltage stabilizing chip is generally an AIC1084-33CM T0-2633.3V, SOT23-3 SOP-8 or other voltage stabilizing chips with the same function, and other voltage stabilizers or voltage stabilizing circuits with fixed voltage can be selected.
In another embodiment of the present application, as shown in fig. 2, the OUT pin of the regulator chip and one end of the capacitor C2 are connected to a 3.3V dc voltage source.
Specifically, a 3.3V direct-current voltage source is connected to provide the working voltage for the voltage stabilizing chip.
In yet another embodiment of the present application, as shown in fig. 2, the timing circuit 6 includes a timing chip and a resistor R8;
a P3.0/RxD/INT4 pin of the timing chip is connected with one end of a resistor R8, and the other end of the resistor R8 is grounded;
the P3.2/RxD _2/INT0/SCLK/SCL pin of the timing chip is electrically connected with the projectile ignition circuit 3;
the SDA _2/SS/TxD _3/T0CLKO/T1/INT3/P5.5 pin of the timing chip is electrically connected with the delay ignition circuit 4.
Specifically, the pins of the timing chip of the timing circuit 6 need to be connected to the projectile ignition circuit 3 and the delay ignition circuit 4, respectively, so please refer to fig. 2, the pins 1 and 3 of the timing chip are used for triggering and controlling the delay ignition circuit 4, respectively, and the pins 7 and 8 are used for starting triggering and starting controlling the projectile ignition circuit 3, respectively. The timing chip is a clock chip, and may be a chip of a type such as DS1302, DS1307, and/or PCF8485, or may be a timing circuit with high precision, or some other clock chip.
In another embodiment of the present application, as shown in fig. 2, the timing circuit 6 further includes a capacitor C7, the Vcc pin of the timing chip is connected to a 3.3V dc voltage source, and the 3.3V dc voltage source is connected to one end of the capacitor C7 and the other end is grounded.
Specifically, an external power supply needs to be provided for the operation of the timing chip, and considering that a direct-current voltage source used by the voltage stabilizing chip is 3.3V, the timing chip is also connected with a 3.3V direct-current voltage source to complete a timing task.
In summary, the circuit formed by the tantalum capacitor and the micro-power consumption timing chip is used as the core circuit of the delay circuit, so that the number of components is small, and the material cost is low. Compared with the black powder delay device in the prior art, the delay device has the characteristics of high delay precision, good consistency, low manufacturing cost, no need of special vehicle site transportation and storage, low failure rate and the like.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. An electronic delay ignition circuit for a jamming bomb is characterized by comprising an anti-reverse connection protection circuit (1), an energy storage circuit (5), a projectile ignition circuit (3), a delay ignition circuit (4), a timing circuit (6) and a voltage stabilizing circuit (2);
the output end of the reverse connection prevention protection circuit (1) is electrically connected with the input ends of the projectile ignition circuit (3) and the voltage stabilizing circuit (2);
the output end of the reverse connection prevention protection circuit (1) is also connected with one end of the energy storage circuit (5), and the other end of the energy storage circuit (5) is electrically connected with the input end of the delay ignition circuit (4);
the output end of the voltage stabilizing circuit (2) is electrically connected with the input end of the timing circuit (6);
the output end of the timing circuit (6) is electrically connected with the projectile ignition circuit (3) and the delay ignition circuit (4).
2. An electronic delay ignition circuit for a jammer as claimed in claim 1, characterized in that the protection circuit against reverse connection (1) comprises a diode D1, a resistor R11, a diode D2, a capacitor C3, a resistor R4 and a diode D3;
the cathode of the diode D1 is connected to the projectile ignition circuit (3);
the cathode of the diode D2 is connected with the voltage stabilizing circuit (2) and one end of a capacitor C3, and the other end of the capacitor C3 is grounded;
the cathode of the diode D3 is connected with the energy storage circuit (5) and the delay ignition circuit (4);
the resistor R11 is connected in parallel with the diode D1, and the resistor R4 is connected in parallel with the diode D3;
anodes of the diode D1, the diode D2, and the diode D3 are connected to a power input terminal.
3. An electronic delay firing circuit for a jammer as claimed in claim 2, characterized in that the energy storage circuit (5) comprises a capacitor C5, one end of the capacitor C5 is connected to the cathode of the diode D3 and the delay firing circuit (4), and the other end of the capacitor C5 is connected to ground.
4. The electronic delay-ignition circuit for a jammer as claimed in claim 3, wherein the capacitor C5 is a tantalum capacitor.
5. The electronic delay ignition circuit for the interference bomb as claimed in claim 3, wherein the delay ignition circuit (4) comprises a bridge filament F2, a MOS transistor Q2 and a resistor R7, one end of the bridge filament F2 is connected with the cathode of the diode D3 and one end of the capacitor C5, the other end of the bridge filament F2 is connected with the drain of the MOS transistor Q2, the gate of the MOS transistor Q2 is connected with one end of a resistor R3, the other end of the resistor R3 is grounded, and the source of the MOS transistor Q2 is grounded.
6. An electronic delay firing circuit for a jammer as claimed in claim 2, characterized in that the projectile firing circuit (3) comprises a firing head F1, a MOS transistor Q1 and a resistor R3;
one end of the ignition head F1 is connected with the cathode of a diode D1, and the other end of the ignition head F1 is connected with the drain electrode of the MOS transistor Q1;
one end of the resistor is connected with the grid electrode of the MOS transistor Q1, the other end of the resistor is grounded, and the source electrode of the MOS transistor Q1 is grounded.
7. The electronic delay firing circuit for the jammer bomb according to claim 2, characterized in that the voltage stabilizing circuit (2) comprises a voltage stabilizing chip and a capacitor C2;
an IN pin, a CE pin and an EN pin of the voltage stabilizing chip are connected with a cathode of the diode D2 and one end of the capacitor C3;
and the GND pin of the voltage stabilizing chip is grounded, the OUT pin of the voltage stabilizing chip is connected with one end of the capacitor C2, and the other end of the voltage stabilizing chip is grounded.
8. The electronic delay ignition circuit for the jammer in claim 7, wherein the OUT pin of the voltage stabilizing chip and one end of the capacitor C2 are connected to a 3.3V dc voltage source.
9. An electronic delay firing circuit for a chaff according to claim 1, characterized in that the timing circuit (6) comprises a timing chip and a resistor R8;
a P3.0/RxD/INT4 pin of the timing chip is connected with one end of the resistor R8, and the other end of the resistor R8 is grounded;
the P3.2/RxD _2/INT0/SCLK/SCL pin of the timing chip is electrically connected with the projectile ignition circuit (3);
the SDA _2/SS/TxD _3/T0CLKO/T1/INT3/P5.5 pin of the timing chip is electrically connected with the delay ignition circuit (4).
10. The electronic delay firing circuit for jammers as claimed in claim 9, wherein said timing circuit (6) further comprises a capacitor C7, the Vcc pin of said timing chip is connected to a 3.3V dc voltage source, said 3.3V dc voltage source is connected to one end of said capacitor C7, and the other end is connected to ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220105425.9U CN216361543U (en) | 2022-01-13 | 2022-01-13 | Electronic delay ignition circuit for interference bomb |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220105425.9U CN216361543U (en) | 2022-01-13 | 2022-01-13 | Electronic delay ignition circuit for interference bomb |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216361543U true CN216361543U (en) | 2022-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220105425.9U Active CN216361543U (en) | 2022-01-13 | 2022-01-13 | Electronic delay ignition circuit for interference bomb |
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| CN (1) | CN216361543U (en) |
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