CN114199087B - Emission control device of electronic fuze - Google Patents
Emission control device of electronic fuze Download PDFInfo
- Publication number
- CN114199087B CN114199087B CN202111509722.6A CN202111509722A CN114199087B CN 114199087 B CN114199087 B CN 114199087B CN 202111509722 A CN202111509722 A CN 202111509722A CN 114199087 B CN114199087 B CN 114199087B
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- resistor
- module
- ignition
- controlled object
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- 238000001514 detection method Methods 0.000 claims abstract description 24
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims abstract description 17
- 238000005070 sampling Methods 0.000 claims description 14
- 230000009471 action Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 230000008569 process Effects 0.000 claims description 2
- 239000002699 waste material Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 239000003086 colorant Substances 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
- F42C11/00—Electric fuzes
- F42C11/001—Electric circuits for fuzes characterised by the ammunition class or type
Abstract
The invention relates to an emission control device of an electronic fuse. The invention comprises the following steps: the function selection switch module is used for controlling the switching of the device among a reset state, a detection state and a transmitting state; the detection signal generation module is used for generating a small-current constant current source; the controlled object module comprises an igniter; the comparison module is used for processing according to the different voltage values fed back and judging whether the ignition tool and the connection thereof are normal or not; the display module is used for judging whether the ignition tool and the connection thereof are normal or not according to the judgment result of the comparison module, so that different states are displayed; and when the ignition module is switched to the emission state, the ignition module directly supplies a high-current power supply to the controlled object module, so that the ignition tool of the controlled object module ignites. The invention can accurately judge the different states of the igniter and the connection thereof, improves the safety, and can reduce the waste caused by the emission of the controlled object with problems.
Description
Technical Field
The invention relates to the technical field of emission control, in particular to an emission control device of an electronic fuse.
Background
The fuze is a control system which utilizes target information, environment information, platform information and network information to detonate or ignite warhead charge according to a preset strategy, and can select attack points, give continuous voyage or increase engine ignition instructions and damage effect information.
Fuzes are roughly divided into two types: one is a mechanical fuze, i.e. ignition is achieved by applying an external impact to the primer and subsequently igniting the main charge, and the other is an electronic fuze, mostly triggered by means of electrical heating. However, by means of electric heating, it is difficult to judge different states of the ignition tool and the safety is not high.
Disclosure of Invention
Therefore, the invention aims to solve the technical problems that in the prior art, the electronic fuze is mostly triggered by an electric heating mode, so that the ignition device is difficult to judge in different states and the safety is low.
In order to solve the above technical problems, the present invention provides an emission control device of an electronic fuse, including: the function selection switch module is used for controlling the switching of the device among a reset state, a detection state and a transmitting state, and the control device does not perform any action when switching to the reset state; the detection signal generation module is connected with the function selection switch module and is used for generating a small-current constant current source when the detection signal generation module is switched to a detection state; the controlled object module is connected with the detection signal generation module and comprises an igniter, and is used for receiving the low-current constant current source and feeding back different voltage values according to the difference of the igniter resistance values in an open circuit state and a short circuit state;
the controlled object module comprises a judging circuit, wherein the judging circuit comprises a resistor RA and an igniter which are connected in parallel, the resistance value of the igniter is RX, and a small-current constant current source I is supplied to the judging circuit;
when the ignition device is open, I is all added to the resistor RA, and the voltage value v+=i×ra fed back at this time;
when the ignition device is short-circuited, the voltage value V+ fed back at the moment is 0;
when the ignition device is normally connected and the resistance is normal, the voltage value fed back is v+=i (RA/RX).
The comparison module is respectively connected with the detection signal generation module and the controlled object module, and is used for processing according to the voltage values with different feedback and judging whether the igniter and the connection thereof are normal or not; the display module is connected with the comparison module and is used for judging whether the ignition tool is normal or not according to the judgment result of the comparison module so as to display different states; and the ignition module is respectively connected with the function selection switch module and the controlled object module, and when the function selection switch module is switched to the emission state, the ignition module directly supplies a high-current power supply to the controlled object module so as to enable an igniter of the controlled object module to ignite.
In one embodiment of the invention, the function selection switch module is a single pole, triple throw switch.
In one embodiment of the present invention, the detection signal generation module includes a low-current constant current source circuit including: resistor R1, resistor R2, resistor R3, resistor R4, resistor R5, resistor R6, resistor R7, sampling resistor R8, operational amplifier U1, triode Q1; the resistor R1 and the resistor R2 are connected in series and then connected with the voltage VCC, one end of the resistor R4 is connected between the resistor R1 and the resistor R2, and the other end of the resistor R4 is connected with one end of the resistor R5 and the non-inverting input end of the operational amplifier U1 respectively; one end of the resistor R3 is grounded, and the other end of the resistor R3 is connected with the inverting input end of the operational amplifier U1 and one end of the resistor R6 respectively; one end of the sampling resistor R8 is connected with the other end of the resistor R6 and the emitter of the triode Q1 respectively, and the other end of the sampling resistor R8 is connected with the other end of the resistor R5; one end of the resistor R7 is connected with the output end of the operational amplifier U1, and the other end of the resistor R7 is connected with the base electrode of the triode Q1; the collector of the triode Q1 is connected with the power supply end of the operational amplifier U1.
In one embodiment of the invention, the operational amplifier U1 is a single power amplifier.
In one embodiment of the invention, the resistors R3, R4, R5, R6 satisfy R 3 ＝R 4 ＝R 5 ＝R 6 。
In one embodiment of the present invention, the voltage difference across the sampling resistor R8 is
In one embodiment of the invention, the comparison module is a window comparator.
In one embodiment of the present invention, the display module includes a bi-color LED lamp, and the LED displays green if the igniter is normal, and otherwise the LED displays red.
In one embodiment of the invention, the ignition module comprises a relay, and when the ignition module is in an emission state, the ignition module directly supplies a high-current power supply to the controlled object through the attraction of the relay so as to enable the igniter of the controlled object module to ignite.
Compared with the prior art, the technical scheme of the invention has the following advantages:
according to the emission control device of the electronic fuze, the small-current constant current source generated by the detection signal generation module feeds back different voltage values according to the difference of the resistance values of the ignition tool of the controlled object module in the open circuit state and the short circuit state, and the comparison module processes the voltage values to judge whether the ignition tool is normal or not, so that the different states of the ignition tool can be accurately judged, and the safety is improved.
Drawings
In order that the invention may be more readily understood, a more particular description of the invention will be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings, in which
Fig. 1 is a schematic diagram of the overall structure of an emission control device of an electronic fuse of the present invention.
Fig. 2 is a block diagram of a low current constant current source circuit of the present invention.
Fig. 3 is a diagram showing a judgment circuit configuration of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the invention and practice it.
Referring to fig. 1, an emission control device of an electronic fuse of the present invention includes: the function selection switch module is used for controlling the switching of the device among a reset state, a detection state and a transmitting state, and the control device does not perform any action when switching to the reset state;
the detection signal generation module is connected with the function selection switch module and is used for generating a small-current constant current source when the detection signal generation module is switched to a detection state;
the controlled object module is connected with the detection signal generation module and comprises an igniter, and is used for receiving the low-current constant current source and feeding back different voltage values according to the difference of the igniter resistance values in an open circuit state and a short circuit state;
the comparison module is respectively connected with the detection signal generation module and the controlled object module, and is used for processing according to the voltage values with different feedback to judge whether the igniter is normal or not;
the display module is connected with the comparison module and is used for judging whether the ignition tool is normal or not according to the judgment result of the comparison module so as to display different states;
and the ignition module is respectively connected with the function selection switch module and the controlled object module, and when the function selection switch module is switched to the emission state, the ignition module directly supplies a high-current power supply to the controlled object module so as to enable an igniter of the controlled object module to ignite.
Specifically, the function selection switch module is a single-pole three-throw switch.
Specifically, as shown in fig. 2, the detection signal generation module includes a low-current constant current source circuit including: resistor R1, resistor R2, resistor R3, resistor R4, resistor R5, resistor R6, resistor R7, sampling resistor R8, operational amplifier U1, triode Q1; the resistor R1 and the resistor R2 are connected in series and then connected with the voltage VCC, one end of the resistor R4 is connected between the resistor R1 and the resistor R2, and the other end of the resistor R4 is connected with one end of the resistor R5 and the non-inverting input end of the operational amplifier U1 respectively; one end of the resistor R3 is grounded, and the other end of the resistor R3 is connected with the inverting input end of the operational amplifier U1 and one end of the resistor R6 respectively; one end of the sampling resistor R8 is connected with the other end of the resistor R6 and the emitter of the triode Q1 respectively, and the other end of the sampling resistor R8 is connected with the other end of the resistor R5; one end of the resistor R7 is connected with the output end of the operational amplifier U1, and the other end of the resistor R7 is connected with the base electrode of the triode Q1; the collector of the triode Q1 is connected with the power supply end of the operational amplifier U1. Through the structure, R1 and R2 provide reference voltage for VCC partial pressure, R8 is a current sampling resistor, when the potential difference at two ends of R8 changes, the change can be fed back to the input end of the operational amplifier, the output voltage of the operational amplifier can be changed along with the change, the base current of Q1 is changed, the emitter current of Q1 is further changed, namely, the current of the sampling resistor R8 is further changed, and the voltage at two ends of the sampling resistor is kept stable. From the following calculations, it can be seen that the current I is determined by both VCC and R1R 2. Once VCC and R1R 2 are determined, the current I remains constant.
Specifically, the operational amplifier U is a single power amplifier, and the resistors R3, R4, R5, R6 satisfy R 3 ＝R 4 ＝R 5 ＝R 6 Therefore, it is
Specifically, the controlled object module includes a judging circuit, as shown in fig. 3, where the judging circuit includes a resistor RA and an igniter connected in parallel, the resistance value of the igniter is RX, and a low-current constant current source I is supplied to the judging circuit;
when the ignition device is open, I is all added to the resistor RA, and the voltage value v+=i×ra fed back at this time;
when the ignition device is short-circuited, the voltage value V+ fed back at the moment is 0;
when the ignition device is normally connected and the resistance is normal, the voltage value fed back is v+=i (RA/RX).
Specifically, the comparison module is a window comparator, and the value of v+ can be obtained by the window comparator, which condition belongs to, so as to judge the state of the ignition circuit. The window comparator is a comparator which inverts a voltage difference between a rising edge and a falling edge of an input signal, and a value between the two voltages is a window width. Two comparators (dual comparators) are commonly used, which have two threshold voltages, VTHH (high threshold voltage) and VTHL (low threshold voltage), to which the voltage VA, compared with VTHH and VTHL, is input. If VTHL is less than or equal to VA and less than or equal to VTHH, vout outputs high level; if VA < VTHL, VA > VTHH, vout outputs a low level.
Specifically, the display module comprises a bicolor LED lamp, if the igniter is normal, the LED displays green, otherwise, the LED displays red. The luminous principle of the double-color LED lamp is as follows: the two-color LED emits two colors, namely two chips are packaged in the same bracket, and a three-leg two-color lamp and a two-leg two-color lamp are arranged.
Specifically, the ignition module comprises a relay, and when the ignition module is in an emission state, the ignition module directly supplies a high-current power supply to a controlled object through the attraction of the relay so as to enable an igniter of the controlled object module to ignite.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations and modifications of the present invention will be apparent to those of ordinary skill in the art in light of the foregoing description. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present invention.
Claims (9)
1. An emission control device of an electronic fuse, comprising:
the function selection switch module is used for controlling the switching of the device among a reset state, a detection state and a transmitting state, and the control device does not perform any action when switching to the reset state;
the detection signal generation module is connected with the function selection switch module and is used for generating a small-current constant current source when the detection signal generation module is switched to a detection state;
the controlled object module is connected with the detection signal generation module and comprises an igniter, and the controlled object module is used for receiving the low-current constant current source and feeding back different voltage values according to the difference of the igniter resistance values in an open circuit state and a short circuit state;
the controlled object module comprises a judging circuit, wherein the judging circuit comprises a resistor RA and an igniter which are connected in parallel, the resistance value of the igniter is RX, and a small-current constant current source I is supplied to the judging circuit;
when the ignition device is open, the small-current constant current source I is all added to the resistor RA, and the voltage value V+ =I;
when the ignition device is short-circuited, the voltage value V+ fed back at the moment is 0;
when the ignition device is normally connected and the resistance is normal, the voltage value fed back at the moment is V+ =I (RA// RX);
the comparison module is respectively connected with the detection signal generation module and the controlled object module, processes according to the voltage values with different feedback, and judges whether the ignition tool and the connection thereof are normal or not;
the display module is connected with the comparison module and is used for judging whether the ignition tool is normal or not according to the judgment result of the comparison module so as to display different states;
and the ignition module is respectively connected with the function selection switch module and the controlled object module, and when the function selection switch module and the controlled object module are switched to the emission state, the ignition module directly supplies a high-current power supply to the controlled object module so that an igniter of the controlled object module ignites.
2. The device of claim 1, wherein the function selector switch module is a single pole, triple throw switch.
3. The emission control device of claim 1, wherein the detection signal generation module comprises a low current constant current source circuit comprising: resistor R1, resistor R2, resistor R3, resistor R4, resistor R5, resistor R6, resistor R7, sampling resistor R8, operational amplifier U1, triode Q1;
the resistor R1 and the resistor R2 are connected in series and then connected with the voltage VCC, one end of the resistor R4 is connected between the resistor R1 and the resistor R2, and the other end of the resistor R4 is connected with one end of the resistor R5 and the non-inverting input end of the operational amplifier U1 respectively;
one end of the resistor R3 is grounded, and the other end of the resistor R3 is connected with the inverting input end of the operational amplifier U1 and one end of the resistor R6 respectively;
one end of the sampling resistor R8 is connected with the other end of the resistor R6 and the emitter of the triode Q1 respectively, and the other end of the sampling resistor R8 is connected with the other end of the resistor R5;
one end of the resistor R7 is connected with the output end of the operational amplifier U1, and the other end of the resistor R7 is connected with the base electrode of the triode Q1;
the collector of the triode Q1 is connected with the power supply end of the operational amplifier U1.
4. A device for controlling the emission of an electronic fuse as defined in claim 3, wherein said operational amplifier U1 is a single power amplifier.
5. The emission control device of claim 3, wherein the resistors R3, R4, R5, R6 satisfy R 3 ＝R 4 ＝R 5 ＝R 6 。
6. The device according to claim 5, wherein the voltage difference across the sampling resistor R8 is
7. The device of claim 1, wherein the comparison module is a window comparator.
8. The device of claim 1, wherein the display module comprises a bi-color LED lamp, the LED displaying green if the ignition is normal, or the LED displaying red if the ignition is not normal.
9. The device according to claim 1, wherein the ignition module comprises a relay, and when the ignition module is in an emission state, the ignition module directly supplies a high-current power supply to the controlled object through the actuation of the relay so as to enable the ignition tool of the controlled object module to ignite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111509722.6A CN114199087B (en) | 2021-12-10 | 2021-12-10 | Emission control device of electronic fuze |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111509722.6A CN114199087B (en) | 2021-12-10 | 2021-12-10 | Emission control device of electronic fuze |
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| Publication Number | Publication Date |
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| CN114199087A CN114199087A (en) | 2022-03-18 |
| CN114199087B true CN114199087B (en) | 2023-12-29 |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4712477A (en) * | 1985-06-10 | 1987-12-15 | Asahi Kasei Kogyo Kabushiki Kaisha | Electronic delay detonator |
| CN1350631A (en) * | 1999-06-15 | 2002-05-22 | 恩赛-比克福德公司 | Voltage-protected semiconductor bridge igniter elements |
| CN201548134U (en) * | 2009-11-26 | 2010-08-11 | 陕西中天火箭技术有限责任公司 | Feedback type wireless transmission controller |
| CN203519023U (en) * | 2013-09-11 | 2014-04-02 | 中国船舶重工集团公司第七一〇研究所 | Single-revolution dipulse revolution number counting circuit used for air-attack proximity fuze |
| WO2018090231A1 (en) * | 2016-11-16 | 2018-05-24 | 南通迅翔自动化设备有限公司 | Electronic delay detonator control circuit |
| CN111207634A (en) * | 2020-03-18 | 2020-05-29 | 融硅思创(北京)科技有限公司 | Digital electronic detonator chip with resistance detection function and resistance detection method |
| CN111366045A (en) * | 2020-03-18 | 2020-07-03 | 北京东方计量测试研究所 | Initiating explosive device equivalent device and device |
| CN111735354A (en) * | 2020-05-26 | 2020-10-02 | 上海微符尔半导体有限公司 | Electronic detonator ignition head reliability detection circuit, method and chip |
| CN212084014U (en) * | 2020-07-08 | 2020-12-04 | 苏州市电子信息技师学院 | Safe current source |
| KR20210092075A (en) * | 2020-01-15 | 2021-07-23 | 국방과학연구소 | Electronic ignition system and controlling method thereof |
-
2021
- 2021-12-10 CN CN202111509722.6A patent/CN114199087B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4712477A (en) * | 1985-06-10 | 1987-12-15 | Asahi Kasei Kogyo Kabushiki Kaisha | Electronic delay detonator |
| CN1350631A (en) * | 1999-06-15 | 2002-05-22 | 恩赛-比克福德公司 | Voltage-protected semiconductor bridge igniter elements |
| CN201548134U (en) * | 2009-11-26 | 2010-08-11 | 陕西中天火箭技术有限责任公司 | Feedback type wireless transmission controller |
| CN203519023U (en) * | 2013-09-11 | 2014-04-02 | 中国船舶重工集团公司第七一〇研究所 | Single-revolution dipulse revolution number counting circuit used for air-attack proximity fuze |
| WO2018090231A1 (en) * | 2016-11-16 | 2018-05-24 | 南通迅翔自动化设备有限公司 | Electronic delay detonator control circuit |
| KR20210092075A (en) * | 2020-01-15 | 2021-07-23 | 국방과학연구소 | Electronic ignition system and controlling method thereof |
| CN111207634A (en) * | 2020-03-18 | 2020-05-29 | 融硅思创(北京)科技有限公司 | Digital electronic detonator chip with resistance detection function and resistance detection method |
| CN111366045A (en) * | 2020-03-18 | 2020-07-03 | 北京东方计量测试研究所 | Initiating explosive device equivalent device and device |
| CN111735354A (en) * | 2020-05-26 | 2020-10-02 | 上海微符尔半导体有限公司 | Electronic detonator ignition head reliability detection circuit, method and chip |
| CN212084014U (en) * | 2020-07-08 | 2020-12-04 | 苏州市电子信息技师学院 | Safe current source |
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| CN114199087A (en) | 2022-03-18 |
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