CN109612325B - Remote multipoint ignition circuit and control method thereof - Google Patents
Remote multipoint ignition circuit and control method thereof Download PDFInfo
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- CN109612325B CN109612325B CN201811483688.8A CN201811483688A CN109612325B CN 109612325 B CN109612325 B CN 109612325B CN 201811483688 A CN201811483688 A CN 201811483688A CN 109612325 B CN109612325 B CN 109612325B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
- F41A31/00—Testing arrangements
Abstract
The invention discloses a remote multipoint ignition circuit and a control method thereof, the remote multipoint ignition circuit comprises a multipoint initiating explosive device parallel circuit, a protection circuit, an intermediate control circuit, a remote ignition wire and a terminal control circuit, the multipoint initiating explosive device parallel circuit comprises n parallel initiating explosive devices and initiating explosive device exciting circuits, each initiating explosive device exciting positive electrode is connected with the initiating explosive device exciting circuit positive electrode, each initiating explosive device exciting negative electrode is connected with the initiating explosive device exciting circuit negative electrode, the protection circuit is connected with the multipoint initiating explosive device parallel circuit, the intermediate control circuit is connected with the protection circuit, the intermediate control circuit is connected with the remote ignition wire, the terminal control circuit is connected with the remote ignition wire, the invention utilizes the protection circuit to replace the direct short circuit protection mode, avoids the existence of interference voltage caused by longer short circuit, the initiating explosive device exciting circuit is arranged at a position close to the initiating explosive device through the intermediate control circuit, therefore, the initiating explosive device exciting circuit is shortened, and the resistance of the exciting circuit is reduced.
Description
Technical Field
The invention belongs to the technical field of ignition control, and particularly relates to a remote multipoint ignition circuit and a control method thereof.
Background
In various initiating explosive device tests, a multi-point ignition system is often required; when carrying out an artillery test, considering safety, short-circuit control needs to be carried out on an ignition circuit; meanwhile, the trigger switch needs to be arranged in a safety shelter at a remote position so as to ensure the safety of operators.
The ignition circuit for a conventional artillery test is shown in fig. 1. The active positive and negative ends of the initiating explosive device are directly led out to the ground for short circuit protection, and the protection method has the defects that the protection circuit is long and interference voltage possibly exists, so that the initiating explosive device is triggered by mistake; the trigger switch K directly controls the triggering of the initiating explosive device in a long distance through a lead, and the triggering method has the defects that the longer line of the circuit has larger resistance, and the exciting current of the initiating explosive device is difficult to control.
Disclosure of Invention
In order to overcome the defects, the invention provides a remote multipoint ignition circuit and a control method thereof, which ensure that the artillery test is safely and smoothly carried out.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a remote multipoint ignition circuit comprises a multipoint initiating explosive device parallel circuit, a protection circuit, an intermediate control circuit, a remote ignition wire and a terminal control circuit, wherein the multipoint initiating explosive device parallel circuit comprises n initiating explosive devices H1, H2 … … Hn and initiating explosive device exciting circuits which are connected in parallel, the exciting positive pole of each initiating explosive device is connected with the positive pole of the initiating explosive device exciting circuit, the exciting negative pole of each initiating explosive device is connected with the negative pole of the initiating explosive device exciting circuit, and n is more than or equal to 2;
the protection circuit comprises a protection circuit power supply U1, a protection resistor R, an indicator lamp L, a relay K1 and first to sixth change-over switches L1 to L6, wherein the relay K1 has three contacts which are respectively a first contact K11, a second contact K12 and a third contact K13, the anode of the protection circuit power supply U1 is connected with the common end of the first contact K11, the selection end of the first contact K11 can be connected with the first end of the sixth change-over switch L6 or the first end of the fifth change-over switch L5, the second end of the sixth change-over switch L6 is short-circuited, the second end of the fifth change-over switch L5 is connected with the anode of the indicator lamp L, the cathode of the indicator lamp L is connected with the anode of the protection resistor R, the cathode of the protection resistor R is connected with the cathode of the power supply U8, the common end of the second contact K12 is connected with the common end of the initiating explosive excitation circuit, the selection end of the second contact K12 can be connected with the first end of the fourth change-over switch L4 or the third change-over switch, the common end of the third contact K13 is connected with the negative pole of the priming circuit of the priming system, the selection end of the third contact K13 can be connected with the first end of the second change-over switch L2 or the first end of the first change-over switch L1, the second end of the second change-over switch L2 is short-circuited with the second end of the fourth change-over switch L4,
the intermediate control circuit comprises an initiating explosive device excitation power supply U2, an alternating current contactor K2 and seventh to tenth change-over switches L7 to L10, wherein the alternating current contactor K2 comprises a coil K21, a fourth contact K22 and a fifth contact K23, the positive electrode of the initiating explosive device excitation power supply U2 is connected with the common end of the fourth contact K22, the selection end of the fourth contact K22 can be connected with the first end of the tenth change-over switch L10 or the first end of the ninth change-over switch L9, the second end of the tenth change-over switch L10 is short-circuited, the negative electrode of the initiating explosive device excitation power supply U2 is connected with the common end of the fifth contact K23, the selection end of the fifth contact K23 can be connected with the first end of the eighth change-over switch L8 or the first end of the seventh change-over switch L7, the second end of the eighth change-over switch L8 is short-circuited, the positive electrode of the coil K2 is connected with the positive electrode of a remote ignition wire, the negative electrode of the coil K21 is connected with the remote ignition wire, and the first end of the seventh change-over, a second end of the ninth switch L9 is connected to a second end of the third switch L3;
the terminal control circuit comprises a 220V alternating current power supply AC, a switch K3 and eleventh to fourteenth change-over switches L11-L14, wherein the switch K3 controls a sixth contact K31 and a seventh contact K32, the positive pole of the 220V alternating current power supply AC is connected with the common end of the sixth contact K31, the selection end of the sixth contact K31 can be connected with the first end of a fourteenth change-over switch L14 or the first end of a thirteenth change-over switch L13, the second end of the fourteenth change-over switch L14 is short-circuited, the negative pole of the 220V alternating current power supply AC is connected with the common end of a seventh contact K32, the selection end of a seventh contact K32 can be connected with the first end of a twelfth change-over switch L12 or the first end of an eleventh change-over switch L11, the second end of a twelfth change-over switch L12 is short-circuited, the second end of the thirteenth change-over switch L13 is connected with the positive pole of a remote ignition line, and the second.
A method for controlling a remote multipoint ignition circuit according to the above, comprising the steps of:
the method comprises the following steps: before the installation and the test of initiating explosive devices, a selection end of a first contact K11 of a relay K1 of a protection circuit is connected with a first end of a sixth change-over switch L6, the circuit is broken, an indicator light L is normally dark, a selection end of a second contact K12 of a relay K1 is connected with a first end of a fourth change-over switch L4, a selection end of a third contact K13 is connected with a first end of a second change-over switch L2, the initiating explosive device circuit is short-circuit protected, and n initiating explosive devices are connected in parallel with an ignition circuit;
step two: when the priming test is completed after the priming test is carried out on the initiating explosive device, the selection end of a first contact K11 of a relay K1 of the protection circuit is connected with the first end of a fifth change-over switch L5, the circuit is communicated, an indicator lamp L is normally on, the selection ends of a second contact K12 and a third contact K13 of a relay K1 are respectively connected with the first end of a third change-over switch L3 and the first end of a first change-over switch L1, and the short-circuit protection of the initiating explosive device is relieved;
step three: when the initiating explosive device is tested, the third switch K3 is closed, the selection ends of the sixth contact K31 and the seventh contact K32 are respectively connected with the first end of the thirteenth change-over switch L13 and the first end of the eleventh change-over switch L11 and are communicated with the terminal control circuit, the coil K21 of the alternating current contactor K2 induces the induction, the selection end of the fourth contact K22 of the alternating current contactor K2 is connected with the first end of the ninth change-over switch L9, the selection end of the fifth contact K23 is connected with the first end of the seventh change-over switch L7 and is communicated with the initiating explosive device excitation circuit, and the initiating explosive device is activated to complete the test;
step four: after the initiating explosive device test is completed, the third switch K3 is opened, the selection ends of the sixth contact K31 and the seventh contact K32 are respectively connected with the first end of the fourteenth switch L14 and the first end of the twelfth switch L12, the terminal control circuit is disconnected, the coil K21 of the alternating current contactor K2 loses induction, the selection ends of the fourth contact K22 and the fifth contact K23 of the alternating current contactor K2 are respectively connected with the first end of the tenth switch L10 and the first end of the eighth switch L8, the initiating explosive device excitation circuit is disconnected, the selection end of the first contact K11 of the protection circuit relay K1 is connected with the first end of the sixth switch L6, the protection circuit is disconnected, the indicator light L is normally dark, the selection ends of the second contact K12 and the third contact K13 of the protection circuit K1 are respectively connected with the first end of the fourth switch L4 and the first end of the second switch L2, and the initiating explosive device is subjected to a short-circuit test again.
Compared with the prior art, the invention has the remarkable advantages that:
(1) the protection circuit is used for replacing a direct short circuit protection mode, so that the existence of interference voltage caused by a long short circuit is avoided, and the initiating explosive device circuit is protected more safely;
(2) the initiating explosive device exciting circuit is arranged at a position close to the initiating explosive device through the middle control circuit, so that the initiating explosive device exciting circuit is shortened, the resistance of the exciting circuit is reduced, the exciting current is conveniently and effectively controlled, the initiating explosive device is enabled to be successfully activated, and the test is smoothly completed.
Drawings
Fig. 1 is a schematic diagram of a conventional initiating explosive device ignition circuit.
Fig. 2 is a schematic diagram of the remote multipoint ignition circuit for initiating explosive device testing according to the invention.
Detailed Description
The invention is further described with reference to the accompanying drawings.
With reference to fig. 2, the remote multipoint ignition circuit comprises a multipoint initiating explosive device parallel circuit, a protection circuit, an intermediate control circuit, a remote ignition wire and a terminal control circuit, wherein the multipoint initiating explosive device parallel circuit comprises n initiating explosive devices H1, H2 … … Hn and initiating explosive device exciting circuits which are connected in parallel, each initiating explosive device exciting positive electrode is connected with a initiating explosive device exciting circuit positive electrode, each initiating explosive device exciting negative electrode is connected with a initiating explosive device exciting circuit negative electrode, and n is more than or equal to 2;
the protection circuit comprises a protection circuit power supply U1, a protection resistor R, an indicator lamp L, a relay K1 and first to sixth change-over switches L1 to L6, wherein the relay K1 has three contacts which are respectively a first contact K11, a second contact K12 and a third contact K13, the anode of the protection circuit power supply U1 is connected with the common end of the first contact K11, the selection end of the first contact K11 can be connected with the first end of the sixth change-over switch L6 or the first end of the fifth change-over switch L5, the second end of the sixth change-over switch L6 is short-circuited, the second end of the fifth change-over switch L5 is connected with the anode of the indicator lamp L, the cathode of the indicator lamp L is connected with the anode of the protection resistor R, the cathode of the protection resistor R is connected with the cathode of the power supply U8, the common end of the second contact K12 is connected with the common end of the initiating explosive excitation circuit, the selection end of the second contact K12 can be connected with the first end of the fourth change-over switch L4 or the third change-over switch, the common end of the third contact K13 is connected with the negative pole of the priming circuit of the priming system, the selection end of the third contact K13 can be connected with the first end of the second change-over switch L2 or the first end of the first change-over switch L1, the second end of the second change-over switch L2 is short-circuited with the second end of the fourth change-over switch L4,
the intermediate control circuit comprises an initiating explosive device excitation power supply U2, an alternating current contactor K2 and seventh to tenth change-over switches L7 to L10, wherein the alternating current contactor K2 comprises a coil K21, a fourth contact K22 and a fifth contact K23, the positive electrode of the initiating explosive device excitation power supply U2 is connected with the common end of the fourth contact K22, the selection end of the fourth contact K22 can be connected with the first end of the tenth change-over switch L10 or the first end of the ninth change-over switch L9, the second end of the tenth change-over switch L10 is short-circuited, the negative electrode of the initiating explosive device excitation power supply U2 is connected with the common end of the fifth contact K23, the selection end of the fifth contact K23 can be connected with the first end of the eighth change-over switch L8 or the first end of the seventh change-over switch L7, the second end of the eighth change-over switch L8 is short-circuited, the positive electrode of the coil K2 is connected with the positive electrode of a remote ignition wire, the negative electrode of the coil K21 is connected with the remote ignition wire, and the first end of the seventh change-over, a second end of the ninth switch L9 is connected to a second end of the third switch L3;
the terminal control circuit comprises a 220V alternating current power supply AC, a switch K3 and eleventh to fourteenth change-over switches L11-L14, wherein the switch K3 controls a sixth contact K31 and a seventh contact K32, the positive pole of the 220V alternating current power supply AC is connected with the common end of the sixth contact K31, the selection end of the sixth contact K31 can be connected with the first end of a fourteenth change-over switch L14 or the first end of a thirteenth change-over switch L13, the second end of the fourteenth change-over switch L14 is short-circuited, the negative pole of the 220V alternating current power supply AC is connected with the common end of a seventh contact K32, the selection end of a seventh contact K32 can be connected with the first end of a twelfth change-over switch L12 or the first end of an eleventh change-over switch L11, the second end of a twelfth change-over switch L12 is short-circuited, the second end of the thirteenth change-over switch L13 is connected with the positive pole of a remote ignition line, and the second.
The control method of the remote multipoint ignition circuit comprises the following steps:
the method comprises the following steps: before the installation and the test of initiating explosive devices, a selection end of a first contact K11 of a relay K1 of a protection circuit is connected with a first end of a sixth change-over switch L6, the circuit is broken, an indicator light L is normally dark, a selection end of a second contact K12 of a relay K1 is connected with a first end of a fourth change-over switch L4, a selection end of a third contact K13 is connected with a first end of a second change-over switch L2, the initiating explosive device circuit is short-circuit protected, and n initiating explosive devices are connected in parallel with an ignition circuit;
step two: when the priming test is completed after the priming test is carried out on the initiating explosive device, the selection end of a first contact K11 of a relay K1 of the protection circuit is connected with the first end of a fifth change-over switch L5, the circuit is communicated, an indicator lamp L is normally on, the selection ends of a second contact K12 and a third contact K13 of a relay K1 are respectively connected with the first end of a third change-over switch L3 and the first end of a first change-over switch L1, and the short-circuit protection of the initiating explosive device is relieved;
step three: when the initiating explosive device is tested, the third switch K3 is closed, the selection ends of the sixth contact K31 and the seventh contact K32 are respectively connected with the first end of the thirteenth change-over switch L13 and the first end of the eleventh change-over switch L11 and are communicated with the terminal control circuit, the coil K21 of the alternating current contactor K2 induces the induction, the selection end of the fourth contact K22 of the alternating current contactor K2 is connected with the first end of the ninth change-over switch L9, the selection end of the fifth contact K23 is connected with the first end of the seventh change-over switch L7 and is communicated with the initiating explosive device excitation circuit, and the initiating explosive device is activated to complete the test;
step four: after the initiating explosive device test is completed, the third switch K3 is opened, the selection ends of the sixth contact K31 and the seventh contact K32 are respectively connected with the first end of the fourteenth switch L14 and the first end of the twelfth switch L12, the terminal control circuit is disconnected, the coil K21 of the alternating current contactor K2 loses induction, the selection ends of the fourth contact K22 and the fifth contact K23 of the alternating current contactor K2 are respectively connected with the first end of the tenth switch L10 and the first end of the eighth switch L8, the initiating explosive device excitation circuit is disconnected, the selection end of the first contact K11 of the protection circuit relay K1 is connected with the first end of the sixth switch L6, the protection circuit is disconnected, the indicator light L is normally dark, the selection ends of the second contact K12 and the third contact K13 of the protection circuit K1 are respectively connected with the first end of the fourth switch L4 and the first end of the second switch L2, and the initiating explosive device is subjected to a short-circuit test again.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (2)
1. A remote multipoint ignition circuit is characterized by comprising a multipoint initiating explosive device parallel circuit, a protection circuit, an intermediate control circuit, a remote ignition wire and a terminal control circuit, wherein the multipoint initiating explosive device parallel circuit comprises n initiating explosive devices H1, H2 … … Hn and initiating explosive device exciting circuits which are connected in parallel, the exciting positive electrode of each initiating explosive device is connected with the positive electrode of the initiating explosive device exciting circuit, the exciting negative electrode of each initiating explosive device is connected with the negative electrode of the initiating explosive device exciting circuit, and n is more than or equal to 2;
the protection circuit comprises a protection circuit power supply U1, a protection resistor R, an indicator lamp L, a relay K1 and first to sixth change-over switches L1 to L6, wherein the relay K1 has three contacts which are respectively a first contact K11, a second contact K12 and a third contact K13, the anode of the protection circuit power supply U1 is connected with the common end of the first contact K11, the selection end of the first contact K11 can be connected with the first end of the sixth change-over switch L6 or the first end of the fifth change-over switch L5, the second end of the sixth change-over switch L6 is short-circuited, the second end of the fifth change-over switch L5 is connected with the anode of the indicator lamp L, the cathode of the indicator lamp L is connected with the anode of the protection resistor R, the cathode of the protection resistor R is connected with the cathode of the protection circuit power supply U8, the common end of the second contact K12 is connected with the anode of the initiating explosive excitation circuit, the selection end of the second contact K12 can be connected with the first end of the fourth change-over switch L4 or the third change-over switch L, the common end of the third contact K13 is connected with the negative pole of the priming circuit of the priming system, the selection end of the third contact K13 can be connected with the first end of the second change-over switch L2 or the first end of the first change-over switch L1, the second end of the second change-over switch L2 is short-circuited with the second end of the fourth change-over switch L4,
the intermediate control circuit comprises an initiating explosive device excitation power supply U2, an alternating current contactor K2 and seventh to tenth change-over switches L7 to L10, wherein the alternating current contactor K2 comprises a coil K21, a fourth contact K22 and a fifth contact K23, the positive electrode of the initiating explosive device excitation power supply U2 is connected with the common end of the fourth contact K22, the selection end of the fourth contact K22 can be connected with the first end of the tenth change-over switch L10 or the first end of the ninth change-over switch L9, the second end of the tenth change-over switch L10 is short-circuited, the negative electrode of the initiating explosive device excitation power supply U2 is connected with the common end of the fifth contact K23, the selection end of the fifth contact K23 can be connected with the first end of the eighth change-over switch L8 or the first end of the seventh change-over switch L7, the second end of the eighth change-over switch L8 is short-circuited, the positive electrode of the coil K2 is connected with the positive electrode of a remote ignition wire, the negative electrode of the coil K21 is connected with the remote ignition wire, and the first end of the seventh change-over, a second end of the ninth switch L9 is connected to a second end of the third switch L3;
the terminal control circuit comprises a 220V alternating current power supply AC, a switch K3 and eleventh to fourteenth change-over switches L11-L14, wherein the switch K3 controls a sixth contact K31 and a seventh contact K32, the positive pole of the 220V alternating current power supply AC is connected with the common end of the sixth contact K31, the selection end of the sixth contact K31 can be connected with the first end of a fourteenth change-over switch L14 or the first end of a thirteenth change-over switch L13, the second end of the fourteenth change-over switch L14 is short-circuited, the negative pole of the 220V alternating current power supply AC is connected with the common end of a seventh contact K32, the selection end of a seventh contact K32 can be connected with the first end of a twelfth change-over switch L12 or the first end of an eleventh change-over switch L11, the second end of a twelfth change-over switch L12 is short-circuited, the second end of the thirteenth change-over switch L13 is connected with the positive pole of a remote ignition line, and the second.
2. The method of controlling a remote multipoint ignition circuit according to claim 1, comprising the steps of:
the method comprises the following steps: before the installation and the test of initiating explosive devices, a selection end of a first contact K11 of a relay K1 of a protection circuit is connected with a first end of a sixth change-over switch L6, the circuit is broken, an indicator light L is normally dark, a selection end of a second contact K12 of a relay K1 is connected with a first end of a fourth change-over switch L4, a selection end of a third contact K13 is connected with a first end of a second change-over switch L2, the initiating explosive device circuit is short-circuit protected, and n initiating explosive devices are connected in parallel with an ignition circuit;
step two: when the priming test is completed after the priming test is carried out on the initiating explosive device, the selection end of a first contact K11 of a relay K1 of the protection circuit is connected with the first end of a fifth change-over switch L5, the circuit is communicated, an indicator lamp L is normally on, the selection ends of a second contact K12 and a third contact K13 of a relay K1 are respectively connected with the first end of a third change-over switch L3 and the first end of a first change-over switch L1, and the short-circuit protection of the initiating explosive device is relieved;
step three: when the initiating explosive device is tested, the third switch K3 is closed, the selection ends of the sixth contact K31 and the seventh contact K32 are respectively connected with the first end of the thirteenth change-over switch L13 and the first end of the eleventh change-over switch L11 and are communicated with the terminal control circuit, the coil K21 of the alternating current contactor K2 induces the induction, the selection end of the fourth contact K22 of the alternating current contactor K2 is connected with the first end of the ninth change-over switch L9, the selection end of the fifth contact K23 is connected with the first end of the seventh change-over switch L7 and is communicated with the initiating explosive device excitation circuit, and the initiating explosive device is activated to complete the test;
step four: after the initiating explosive device test is completed, the third switch K3 is opened, the selection ends of the sixth contact K31 and the seventh contact K32 are respectively connected with the first end of the fourteenth switch L14 and the first end of the twelfth switch L12, the terminal control circuit is disconnected, the coil K21 of the alternating current contactor K2 loses induction, the selection ends of the fourth contact K22 and the fifth contact K23 of the alternating current contactor K2 are respectively connected with the first end of the tenth switch L10 and the first end of the eighth switch L8, the initiating explosive device excitation circuit is disconnected, the selection end of the first contact K11 of the protection circuit relay K1 is connected with the first end of the sixth switch L6, the protection circuit is disconnected, the indicator light L is normally dark, the selection ends of the second contact K12 and the third contact K13 of the protection circuit K1 are respectively connected with the first end of the fourth switch L4 and the first end of the second switch L2, and the initiating explosive device is subjected to a short-circuit test again.
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| CN201811483688.8A CN109612325B (en) | 2018-12-04 | 2018-12-04 | Remote multipoint ignition circuit and control method thereof |
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| CN201811483688.8A CN109612325B (en) | 2018-12-04 | 2018-12-04 | Remote multipoint ignition circuit and control method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2074066U (en) * | 1990-09-26 | 1991-03-27 | 王悦新 | Multifunctional protector for motor |
| US6313641B1 (en) * | 1995-03-13 | 2001-11-06 | Square D Company | Method and system for detecting arcing faults and testing such system |
| CN201584821U (en) * | 2009-12-24 | 2010-09-15 | 北京航天自动控制研究所 | Controlled circuit of negative bus of power supply of priming system |
| CN103217920B (en) * | 2013-03-20 | 2015-04-22 | 中国航天科技集团公司第四研究院第四十一研究所 | Initiating explosive device short-circuit protection circuit for measure-control device |
| CN106370962B (en) * | 2016-08-18 | 2019-06-04 | 上海机电工程研究所 | Case bullet priming system continuity test equipment and its test method |
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