KR101430581B1 - Impact sensing apparatus using fpcb and insulation sheet - Google Patents

Impact sensing apparatus using fpcb and insulation sheet Download PDF

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Publication number
KR101430581B1
KR101430581B1 KR1020140026008A KR20140026008A KR101430581B1 KR 101430581 B1 KR101430581 B1 KR 101430581B1 KR 1020140026008 A KR1020140026008 A KR 1020140026008A KR 20140026008 A KR20140026008 A KR 20140026008A KR 101430581 B1 KR101430581 B1 KR 101430581B1
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KR
South Korea
Prior art keywords
line
signal output
impact
rtn
impact sensing
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Application number
KR1020140026008A
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Korean (ko)
Inventor
조세영
손중탁
주용원
Original Assignee
국방과학연구소
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Priority to KR1020140026008A priority Critical patent/KR101430581B1/en
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Publication of KR101430581B1 publication Critical patent/KR101430581B1/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
    • F42C1/00—Impact fuzes, i.e. fuzes actuated only by ammunition impact
    • F42C1/10—Impact fuzes, i.e. fuzes actuated only by ammunition impact without firing-pin
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
    • F42C14/00—Mechanical fuzes characterised by the ammunition class or type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
    • F42C19/00—Details of fuzes
    • F42C19/02—Fuze bodies; Fuze housings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
    • F42C7/00—Fuzes actuated by application of a predetermined mechanical force, e.g. tension, torsion, pressure
    • F42C7/02—Contact fuzes, i.e. fuzes actuated by mechanical contact between a stationary ammunition, e.g. a land mine, and a moving target, e.g. a person
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
    • G01L5/0052—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes measuring forces due to impact

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Structure Of Printed Boards (AREA)

Abstract

The present invention is characterized in that a crush switch (100) using an FPCB (Flexible Printed Circuit Board) and an insulating sheet is used as an impact detection device, and thereby a gap between a lead wire or a connected lead wire and a cut- Glass is filled with Polycarbonate containing 40% or empty, and only one wire is connected from each wire, so it is not easy to check the impact sensor after assembling, but it is easy to install and safety and operation reliability is excellent In addition, it has a convenient feature that the function check of the electric conduction state is performed on the interface after assembling the missile with the same output signal.

Description

TECHNICAL FIELD [0001] The present invention relates to an impact sensing apparatus using a flexible circuit board and an insulation sheet,

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an impact sensing apparatus, and more particularly, to a shock sensing apparatus using a flexible circuit board and an insulation sheet.

Generally, the impact detection device is located at the front part of the missile, detects the impact of the missile with the target, and applies the detonation signal to the new pipe or the detonator.

These shock sensing devices are separated by two FPCB or stripline conductors, and are connected to each other by a shock or a connected wire is cut by a shock to generate a signal. The shape and signal generating method are applied to the characteristics .

For example, there is a gap between the spaced conductors or the connected leads and the cut-off section for conductor cutting, filled with polycarbonate containing 40% of glass or empty.

U. S. Patent No. 7,236, 902 (2007, 06, 26)

However, there is a difficulty in manufacturing an impact sensing device having a structure filled with a polycarbonate containing 40% of glass or an empty structure between a lead wire or a connected lead wire and a cut portion for cutting a lead wire.

Particularly, in this type of impact detection device, only one line is connected from each lead wire, so that it is impossible to check the impact sensing device after assembling.

In view of the above, the present invention uses an FPCB (Flexible Printed Circuit Board) and an insulating sheet, and is molded and bonded together with a skin insulator on the surface of the spark gun, And it is an object of the present invention to provide an impact sensing apparatus to which a flexible circuit board and an insulation sheet are applied.

According to an aspect of the present invention, there is provided an impact sensing apparatus comprising: an impact sensing unit formed of a flexible printed circuit board and having electrical conduction at an impact equal to or greater than a predetermined impact amount; And a signal output unit for outputting the signal output from the crush switch.

Wherein the impact sensing unit is spaced apart from the impact sensing board HOT LINE and the impact sensing board RTN LINE by a plurality of insulation sheet holes through which the impact sensing board HOT LINE and the impact sensing board RTN LINE are inserted, The signal is generated by being brought into contact with each other through the insulating sheet hole; The signal output line HOT LINE, the signal output line HOT LINE RDN, the signal output line RTN LINE, and the signal output line RTN LINE RDN, and the signal output line HOT LINE and the signal output line HOT LINE RDN, Sensing board HOT LINE of the sensing unit, and the signal output line RTN LINE and the signal output line RTN LINE RDN are connected to the impact sensing board RTN LINE of the impact sensing unit.

The signal output line HOTLINE RDN of the signal output unit outputs the same signal as that of the impact sensing substrate HOT LINE signal of the impact sensing unit and the signal output line RTN LINE RDN of the signal output unit is connected to the impact sensing substrate RTN LINE signal of the impact sensing unit And outputs the same signal.

The signals are output in parallel, and the crush switch is applied to a normal state of conduction inspection in an assembled state of a spark plug in which an impact of a predetermined impact amount or more is applied.

In the present invention, an impact sensing device is manufactured by using an FPCB (Flexible Printed Circuit Board) and an insulating sheet, so that a gap between a lead wire or a connected lead wire and a cut portion for cutting a lead is 40% It is very easy to manufacture compared to empty or filled with polycarbonate.

In addition, the present invention can be applied to various weapon systems by molding a flexible printed circuit board (FPCB) and an insulating sheet together with a skin insulator on the surface of a spark gun so as to change characteristics according to the purpose of the weapon system It is effective.

In addition, the present invention has the effect that the operational reliability of the guided missile can be greatly improved because the manufactured impact sensing apparatus can be checked on the interface between the guided missile and the new gun.

2 is a detailed configuration diagram of a signal output unit according to an embodiment of the present invention. FIG. 3 is a cross-sectional view illustrating a state where a flexible circuit board and an insulating sheet according to the present invention are applied, Fig.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings, which illustrate exemplary embodiments of the present invention. The present invention is not limited to these embodiments.

FIG. 1 and FIG. 2 show detailed configurations of the impact sensing unit 110 and the signal output unit 120 of the crush switch 100, which is an impact sensing apparatus according to the present invention.

As shown in FIG. 1, the impact sensing unit 110 includes a first impact sensing substrate 111, which is an impact sensing substrate HOT LINE, and a second impact sensing substrate 113, which is an impact sensing substrate RTN (return line) And a shock-sensing substrate insulation sheet 112 is disposed between the impact-sensing substrate 111 and the second impact-sensing substrate 113. At this time, a plurality of insulating sheet holes 112-1 penetrate the impact-sensing substrate insulation sheet 112 at regular intervals.

Therefore, when the impact sensing board HOT LINE and the impact sensing board RTN LINE are separated from each other through the impact sensing board insulation sheet 112, The shock sensing board HOT LINE and the impact sensing board RTN LINE are brought into contact with each other through the space of the plurality of insulation sheet holes 112-1 opened in the seat 112, thereby generating an impact sensing signal.

Particularly, the impact sensing unit 110 uses the impact-sensing substrate insulation sheet 112 to separate the lead wire or the connected lead wire from the cut part for cutting the lead wire, And the characteristics of the weapon system can be easily adjusted to meet the purpose of the applied weapon system.

2, the signal output unit 120 includes a first signal output line 121 which is a signal output line HOT LINE, a second signal output line 122 which is a signal output line HOT LINE RDN, a signal output line RTN LINE A third signal output line 123, and a fourth signal output line 124 which is a signal output line RTN LINE RDN (REDUNDANT or REDUNDANT STRUCTURE).

The signal output line HOT LINE and the signal output line HOT LINE RDN are connected to the impact sensing board HOT LINE of the impact sensing unit 110. The signal output line RTN LINE and the signal output line RTN LINE RDN are connected to an impact sensing unit 110) to the impact sensing board RTN LINE.

Particularly, the signal output line HOT LINE RDN 122 outputs the same signal as the HOT LINE signal of the impact sensing board of the impact sensing unit 110, and the signal output line RTN LINE RDN senses the impact of the impact sensing unit 110 And outputs the same signal as the substrate RTN LINE signal.

3 shows a configuration of a crash switch 100 type shock detection device in which an impact detection unit 110 and a signal output unit 120 are integrally manufactured.

As shown in the figure, the impact sensing device is manufactured from a crush switch 100 by applying a flexible printed circuit board (FPCB) and an insulating sheet, and the crush switch 100 is electrically connected to the crush switch 100 An impact detection unit 110 for generating an electrical signal, and a signal output unit 120 for outputting an electrical conduction signal.

The crush switch 100 is insulated using a skin insulator between the crush switch 100 and the surface of the body, and is fixed to the guided vehicle through molding or porting.

The crush switch 100 generates an output signal by electrical conduction due to an impact equal to or greater than a predetermined impact amount. Therefore, it is essential to confirm whether the performance of the crush switch 100 is normally performed after assembling the missile.

The crush switch 100 according to the present embodiment outputs the same signal as the HOT LINE RDN signal 122 of the signal output unit 120 to the impact sensing board HOT LINE signal of the impact sensing unit 110, The signal output line RTN LINE RDN of the output unit 120 outputs the same signal as the impact sensing substrate RTN LINE signal of the impact sensing unit 110.

By using this characteristic, it is possible to check the function such as the conduction state of the crush switch 100 on the interface of the guided car and the new pipe after assembling the guided car.

Therefore, in the present invention, a crush switch 100 using an FPCB (Flexible Printed Circuit Board) and an insulation sheet is used as an impact sensing device, and thus a separated wire or a connected wire and a cut- It is easy to install and easy to install as it is small and unlike the method that it is impossible to check the impact detection device after assembling by connecting only one line from each lead wire or filled with Polycarbonate containing 40% And also it is convenient to check the function of the electric conduction state on the interface after assembling the missile with the same output signal.

100: Crush switch 110: Impact sensing part
111: first impact sensing board 112: shock sensing board insulation sheet
112-1: insulation sheet hole 113: second impact sensing substrate
120: Signal output unit 121: First signal output line
122: second signal output line 123: third signal output line
124: fourth signal output line

Claims (4)

In the impact detection device,
A crush switch comprising a flexible printed circuit board and having a shock detection unit for generating electric conduction at an impact of a predetermined impact amount or more and a signal output unit for outputting the signal at the time of electrical conduction;
Wherein the impact sensing unit is spaced apart from the impact sensing board HOT LINE and the impact sensing board RTN LINE by a plurality of insulation sheet holes through which the impact sensing board HOT LINE and the impact sensing board RTN LINE are inserted, The signal is generated by being brought into contact with each other through the insulating sheet hole; The signal output line HOT LINE, the signal output line HOT LINE RDN, the signal output line RTN LINE, and the signal output line RTN LINE RDN, and the signal output line HOT LINE and the signal output line HOT LINE RDN, The signal output line RTN LINE and the signal output line RTN LINE RDN are connected to the impact sensing board RTN LINE of the impact sensing unit; The HOT LINE RDN is directly connected to the impact sensing board HOT line and the RTN line RDN is directly connected to the impact sensing board RTN line and directly connected to a new pipe interface for checking the conduction state of the crush switch Impact sensing device with flexible circuit board and insulation sheet.
delete 2. The apparatus of claim 1, wherein the signal output line HOT LINE RDN of the signal output unit outputs the same signal as the HOT LINE signal of the impact sensing unit of the impact sensing unit, and the signal output line RTN LINE RDN of the signal output unit And outputs the same signal as the substrate RTN LINE signal.
4. The shock sensing device according to claim 3, wherein the signals are output in parallel, and the crush switch is applied to a normal state of conduction state in an assembled state of a spark plug in which an impact of a predetermined impact amount or more is applied. .
KR1020140026008A 2014-03-05 2014-03-05 Impact sensing apparatus using fpcb and insulation sheet KR101430581B1 (en)

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KR1020140026008A KR101430581B1 (en) 2014-03-05 2014-03-05 Impact sensing apparatus using fpcb and insulation sheet

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20170036197A (en) 2015-09-24 2017-04-03 주식회사 풍산 Shell fuse detonated by disappearing circuit under impact and The shock sensed detonating method thereof
KR20190058915A (en) 2017-11-22 2019-05-30 주식회사 한화 Inspection apparatus of load sensing switch and inspection method of load sensing switch using the same

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040075598A (en) * 2003-02-22 2004-08-30 윌전기공업(주) Switch device with net shaped insulator and method for producing the same
KR20070079908A (en) * 2006-02-03 2007-08-08 가부시키가이샤 한도오따이 에네루기 켄큐쇼 Display device and electronic apparatus having the display device
US20090087135A1 (en) 2005-06-29 2009-04-02 Lockheed Martin Corporation Impact-Sensing Thermal Insulation System and Missile Incorporating Same

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040075598A (en) * 2003-02-22 2004-08-30 윌전기공업(주) Switch device with net shaped insulator and method for producing the same
US20090087135A1 (en) 2005-06-29 2009-04-02 Lockheed Martin Corporation Impact-Sensing Thermal Insulation System and Missile Incorporating Same
KR20070079908A (en) * 2006-02-03 2007-08-08 가부시키가이샤 한도오따이 에네루기 켄큐쇼 Display device and electronic apparatus having the display device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20170036197A (en) 2015-09-24 2017-04-03 주식회사 풍산 Shell fuse detonated by disappearing circuit under impact and The shock sensed detonating method thereof
KR101801923B1 (en) 2015-09-24 2017-12-20 주식회사 풍산 Shell fuse detonated by disappearing circuit under impact and The shock sensed detonating method thereof
KR20190058915A (en) 2017-11-22 2019-05-30 주식회사 한화 Inspection apparatus of load sensing switch and inspection method of load sensing switch using the same

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