Initiating explosive device control circuit
A technology of pyrotechnics and circuits, which is applied in the field of high-reliability pyrotechnics control circuits, can solve the problems of complex design, loss of pyrotechnics control, and low reliability of pyrotechnics control, so as to simplify the circuit structure and ensure safety Effects of Sex and Reliability
Active Publication Date: 2018-10-19
HUBEI SANJIANG AEROSPACE HONGFENG CONTROL
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Problems solved by technology
However, the design of the device mechanism is complicated, and when the device breaks down, the control of the pyrotechnics is lost, and the reliability of the control of the pyrotechnics is not high.
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[0019] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not constitute a conflict with each other.
[0020] refer to figure 1 , is a circuit diagram of an embodiment of the pyrotechnics control circuit provided by the present invention; the pyrotechnics control circuit adopts two magnetic latching relays K1, K2 for dual-way backup, and the two magnetic latching relays simultaneously control the ignition of pyrotechnics Positive and negative terminals, to ensure that when a single magnetic latc...
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The invention belongs to the technical field of initiating explosive device control, and discloses an initiating explosive device control circuit. According to the initiating explosive device controlcircuit, two magnetic latching relays are adopted for conducting double-circuit backup, and meanwhile, the ignition positive end and the ignition negative end of an initiating explosive device are controlled; each magnetic latching relay comprises two control ends and three sets of contact switches; one control end of each magnetic latching relay is used for being connected with an initiating explosive device control signal, and the other control end of each magnetic latching relay is used for being connected with an initiating explosive device decontrol signal; a first movable contact of eachmagnetic latching relay is connected with one end of the initiating explosive device, a first normally-closed contact is connected with a second normally-closed contact, and a first normally-open contact is connected with the ignition positive end; a second movable contact of each magnetic latching relay is connected with the other end of the initiating explosive device, and a second normally-open contact is connected with the ignition negative end; a third movable contact of each magnetic latching relay is connected with a initiating explosive device control state signal, and whether the initiating explosive device is in a control state or not is detected through the signal; and a third normally-closed contact is connected with a power supply negative electrode signal, and a third normally-open contact is suspended in midair. The initiating explosive device control circuit has the characteristics of being simple in structure and high in reliability.
Description
technical field [0001] The invention belongs to the technical field of pyrotechnics control, in particular to a high-reliability pyrotechnics control circuit used for bombarding pyrotechnics control. Background technique [0002] Bombing pyrotechnic products has the characteristics of high energy density and high risk, and can release huge energy in an instant. Therefore, it is required to control the pyrotechnics on the bomb, and it is required to ensure that it is in working condition before launching, even if the positive and negative ends of the pyrotechnics are in an open state; and it should be kept in a safe state during transportation, storage or testing, even if it is The positive and negative terminals of the pyrotechnic device are short-circuited. [0003] The control of pyrotechnics of existing domestic aerospace vehicles mostly adopts a centralized control method, leading the positive and negative power terminals of each pyrotechnic device to a unified short-ci...
Claims
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IPC IPC(8): F02K9/00
CPCF02K9/00
Inventor 岳惠峰
Owner HUBEI SANJIANG AEROSPACE HONGFENG CONTROL