Explosion propagation power distribution device based on in-line fuze

Abstract

The utility model discloses an explosion propagation power distribution device based on an in-line fuze. The explosion propagation power distribution device comprises an energy component, a voltage control circuit, an I-path high-voltage feedback circuit, an I-path insurance conversion circuit, an II-path high-voltage feedback circuit and an II-path insurance conversion circuit, the input end of the voltage control circuit is respectively connected with an energy component and an external excitation signal, and the output end of the voltage control circuit is respectively connected with the I-path high-voltage feedback circuit, the I-path insurance conversion circuit, the II-path high-voltage feedback circuit, the II-path insurance conversion circuit and the fuze ignition module. According to the utility model, reliable power supply of the fuse two-way ignition module can be realized, the volume is small, the functions of power supply indication and insurance state feedback are provided, remote control and close-range power supply can be realized by extending the cable, and the stability is high; and moreover, the stability and the anti-interference capability of the in-line fuse ignition module power supply system are improved, and a powerful guarantee is provided for the reliability of a fuse explosion propagation test.

Description

Technical Field

[0001] The utility model relates to the technical field of in-line fuzes, in particular to an explosion transmission and distribution device based on in-line fuzes. Background Art

[0002] The explosive transmission power distribution device affects the working performance of the in-line fuze to a certain extent. The existing power supply device generally uses a tester to supply power over a long distance. Due to the long cables, the stability and anti-interference ability of the power supply system cannot be guaranteed. Utility Model Content

[0003] The utility model provides an explosive transmission and distribution device based on an in-line fuze, which adopts a lithium battery for power distribution and an internal power management chip for conversion, can realize long-distance control and short-distance power supply, has a compact structure and convenient protection, improves the stability of the power supply system of the fuze ignition module, and effectively avoids the power supply interference problem caused by the overly long power supply cable.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A detonation transmission and distribution device based on an in-line fuze comprises an energy component, a voltage control circuit, a first high-voltage feedback circuit, a first safety conversion circuit, a second high-voltage feedback circuit and a second safety conversion circuit; the input end of the voltage control circuit is respectively connected to the energy component and an external excitation signal, and the output end of the voltage control circuit is respectively connected to the first high-voltage feedback circuit, the first safety conversion circuit, the second high-voltage feedback circuit, the second safety conversion circuit and a fuze ignition module.

[0006] As a preferred embodiment of the above scheme, the energy component includes an energy circuit.

[0007] As a preferred embodiment of the above scheme, the energy circuit includes a battery pack and a diode.

[0008] As a preferred embodiment of the above scheme, the voltage control circuit includes a switch control circuit, a power conversion circuit, and a power supply indication circuit. The input end of the switch control circuit is respectively connected to the energy circuit and the external excitation signal, and the output end is respectively connected to the power conversion circuit, the power supply indication circuit, and the fuse ignition module.

[0009] As a preferred embodiment of the above scheme, the switch control circuit includes a relay, a diode, and a resistor, the power conversion circuit includes a power conversion chip, and the power supply indication circuit includes a light emitting diode and a resistor.

[0010] As a preferred embodiment of the above scheme, the I and II high-voltage feedback circuits both include a comparison circuit and a drive circuit, the input ends of the comparison circuit and the drive circuit are both connected to the power conversion circuit, the input end of the comparison circuit is also connected to the high-voltage voltage division signal, and the output end is connected to the drive circuit.

[0011] As a preferred embodiment of the above scheme, the comparison circuit includes a comparator, a resistor, and a capacitor, and the driving circuit includes a transistor.

[0012] As a preferred embodiment of the above scheme, the I and II line insurance conversion circuits both include a release indication circuit and a switch conversion circuit. The input end of the switch conversion circuit is respectively connected to the power conversion circuit and the drive circuit, and the output end is connected to the release indication circuit.

[0013] As a preferred embodiment of the above scheme, the switch conversion circuit includes a relay, a diode, and a resistor, and the protection release indication circuit includes a light emitting diode and a resistor.

[0014] Due to the above structure, the beneficial effects of the utility model are:

[0015] The utility model adopts a built-in battery pack to design an in-line fuze transmission power distribution scheme, which can realize reliable power supply of the two-way ignition modules of the fuze. It has a small size, power supply indication and insurance status feedback functions, and can realize long-distance control and short-distance power supply by extending the cable, with high stability.

[0016] The utility model controls power supply through a battery pack and a power conversion chip, provides power supply energy to the in-line fuze firing module, and visualizes the power supply indication and fuze release status, thereby improving the stability and anti-interference ability of the power supply system of the in-line fuze firing module and providing a strong guarantee for the reliability of the fuze transmission test. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following briefly introduces the drawings required for describing the embodiments.

[0018] Figure 1 It is a logic block diagram of the utility model;

[0019] Figure 2 It is a circuit diagram of the utility model. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings of the utility model to clearly and completely describe the technical solution of the utility model. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] like Figure 1 , Figure 2As shown, this embodiment provides an explosive transmission and distribution device based on an in-line fuze, including an energy component, a voltage control circuit, a Ⅰ-way high-voltage feedback circuit, a Ⅰ-way safety conversion circuit, a Ⅱ-way high-voltage feedback circuit, and a Ⅱ-way safety conversion circuit; the input end of the voltage control circuit is respectively connected to the energy component and the external excitation signal, and the output end of the voltage control circuit is respectively connected to the Ⅰ-way high-voltage feedback circuit, the Ⅰ-way safety conversion circuit, the Ⅱ-way high-voltage feedback circuit, the Ⅱ-way safety conversion circuit and the fuze ignition module.

[0022] In this embodiment, the energy component includes an energy circuit 101, and the energy circuit 101 includes a battery pack and a diode to provide working voltage for the two-way ignition module of the fuse.

[0023] In this embodiment, the voltage control circuit includes a switch control circuit 102, a power conversion circuit 104, and a power supply indication circuit 103. The input end of the switch control circuit 102 is respectively connected to the energy circuit 101 and the external excitation signal, and the output end is respectively connected to the power conversion circuit 104, the power supply indication circuit 103, and the fuse ignition module. Among them, the switch control circuit 102 includes a relay, a diode, and a resistor. The relay is used to isolate and protect the battery pack voltage. After receiving the remote excitation signal, the relay works and connects the battery pack voltage, ensuring the safety of the power supply device; the power supply indication circuit 103 includes a light-emitting diode and a resistor. After the battery pack voltage is output, it is visualized by the power supply indication circuit 103; the power conversion circuit 104 includes a power conversion chip, which adjusts and converts the output voltage of the battery pack into the working voltage of the two-way high-voltage feedback circuit and the insurance replacement circuit, and completes the power supply of the internal circuit of the explosive transmission distribution device.

[0024] In this embodiment, the I high-voltage feedback circuit includes a comparison circuit I105 and a drive circuit I106, and the II high-voltage feedback circuit includes a comparison circuit II109 and a drive circuit II110. The input ends of the comparison circuit I105, the comparison circuit II109, the drive circuit I106, and the drive circuit II110 are all connected to the power conversion circuit 104. The input ends of the comparison circuit I105 are also connected to the high-voltage voltage division signal I, and the output ends are connected to the drive circuit I106. The input end of the comparison circuit II109 is also connected to the high-voltage voltage division signal II, and the output end is connected to the drive circuit II110. Among them, the comparison circuit I105 and the comparison circuit II109 have the same composition, both of which are composed of a comparator, a resistor, and a capacitor, and are responsible for receiving the high-voltage voltage division signal of the fuse ignition module, and outputting a comparison level signal by checking with the set reference voltage to control the operation of the drive circuit; the drive circuit I106 and the drive circuit II110 have the same composition, both of which use triodes to achieve amplification.

[0025] In this embodiment, the I-way insurance conversion circuit includes a release indication circuit I108 and a switch conversion circuit I107, and the II-way insurance conversion circuit includes a release indication circuit II111 and a switch conversion circuit II112. The input end of the switch conversion circuit I107 is respectively connected to the power conversion circuit 104 and the drive circuit I106, and the output end is connected to the release indication circuit I108. The input end of the switch conversion circuit II112 is respectively connected to the power conversion circuit 104 and the drive circuit II110, and the output end is connected to the release indication circuit II111. Among them, the switch conversion circuit I107 and the switch conversion circuit II111 have the same composition, both of which are composed of relays, resistors, and capacitors. After receiving the signal sent by the drive circuit, the relay controls its contacts to switch from normally open to normally closed, and simulates the release state of the feedback fuse ignition module; the release indication circuit I108 and the release indication circuit II112 have the same composition, both of which are composed of light-emitting diodes and resistors to realize the visualization of the release state of the fuse ignition module.

[0026] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be subject to various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An explosive transmission and distribution device based on an in-line fuze, characterized in that: It includes energy components, voltage control circuit, I-way high-voltage feedback circuit, I-way insurance conversion circuit, II-way high-voltage feedback circuit, and II-way insurance conversion circuit; The input end of the voltage control circuit is respectively connected to the energy component and the external excitation signal, and the output end of the voltage control circuit is respectively connected to a high-voltage feedback circuit, a safety conversion circuit, a high-voltage feedback circuit, a safety conversion circuit and a fuse ignition module.

2. The explosive transmission and distribution device based on an in-line fuze according to claim 1 is characterized in that: The energy component includes an energy circuit.

3. The explosive transmission and distribution device based on an in-line fuze according to claim 2 is characterized in that: The energy circuit includes a battery pack and a diode.

4. The explosive transmission and distribution device based on an in-line fuze according to claim 1 is characterized in that: The voltage control circuit includes a switch control circuit, a power conversion circuit, and a power supply indication circuit. The input end of the switch control circuit is respectively connected to the energy circuit and the external excitation signal, and the output end is respectively connected to the power conversion circuit, the power supply indication circuit, and the fuse ignition module.

5. The explosive transmission and distribution device based on an in-line fuze according to claim 4 is characterized in that: The switch control circuit includes a relay, a diode, and a resistor; the power conversion circuit includes a power conversion chip; and the power supply indication circuit includes a light emitting diode and a resistor.

6. The explosive transmission and distribution device based on an in-line fuze according to claim 1 is characterized in that: The I and II high-voltage feedback circuits both include a comparison circuit and a drive circuit. The input ends of the comparison circuit and the drive circuit are both connected to a power conversion circuit. The input end of the comparison circuit is also connected to a high-voltage voltage division signal, and the output end is connected to the drive circuit.

7. The explosive transmission and distribution device based on an in-line fuze according to claim 6 is characterized in that: The comparison circuit includes a comparator, a resistor, and a capacitor, and the driving circuit includes a triode.

8. The explosive transmission and distribution device based on an in-line fuze according to claim 1 is characterized in that: The I and II insurance conversion circuits both include a release indication circuit and a switch conversion circuit. The input end of the switch conversion circuit is respectively connected to the power conversion circuit and the drive circuit, and the output end is connected to the release indication circuit.

9. The explosive transmission and distribution device based on an in-line fuze according to claim 8 is characterized in that: The switch conversion circuit includes a relay, a diode, and a resistor, and the protection release indication circuit includes a light emitting diode and a resistor.

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