JPH05322497A - Fuse device - Google Patents

Fuse device

Info

Publication number
JPH05322497A
JPH05322497A JP13712192A JP13712192A JPH05322497A JP H05322497 A JPH05322497 A JP H05322497A JP 13712192 A JP13712192 A JP 13712192A JP 13712192 A JP13712192 A JP 13712192A JP H05322497 A JPH05322497 A JP H05322497A
Authority
JP
Japan
Prior art keywords
bullet
fuze
electromotive force
piezoelectric element
state
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP13712192A
Other languages
Japanese (ja)
Other versions
JPH0715360B2 (en
Inventor
Atsushi Tamada
惇 玉田
Masaari Domon
完在 土門
Heihachiro Iida
平八郎 飯田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Japan Steel Works Ltd
Technical Research and Development Institute of Japan Defence Agency
Original Assignee
Japan Steel Works Ltd
Technical Research and Development Institute of Japan Defence Agency
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Japan Steel Works Ltd, Technical Research and Development Institute of Japan Defence Agency filed Critical Japan Steel Works Ltd
Priority to JP13712192A priority Critical patent/JPH0715360B2/en
Publication of JPH05322497A publication Critical patent/JPH05322497A/en
Publication of JPH0715360B2 publication Critical patent/JPH0715360B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Primary Cells (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

PURPOSE:To provide a fuse device which functions without erroneous operation by providing a power generating mechanism having high operating reliability with a simple structure in a system of a fuse provided in the nose of a bullet, etc. CONSTITUTION:The fuse device comprises a nose case 1, a power generating mechanism having a thermal cell 2 provided in the case 1 and a piezoelectric element 3 as an igniter, a controller 8 for operating with electromotive force from the cell 2, a safety mechanism 6 for switching an entire fuse from an inactive safe state to an explosive active state, and an electric detonator 7. The element 3 as the igniter of the mechanism 1 is released from its locking mechanism when its trigger receives a predetermined acceleration or more or impact to strongly hit the element 3 to generate a high electromotive force, thereby operating the cell.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】この発明は、弾丸の弾頭部に装備
される信管のシステムに関し、通常時の運搬あるいは発
射装置への装填等では不活性で安全な状態を確実に維持
し、発射時あるいは発射された以後の所定の加速度また
は衝撃によって発電機構が動作を開始して所望の時刻ま
たは状況の下で弾丸を爆発あるいは発火させるものであ
る。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fuze system mounted on the bullet head of a bullet, and it reliably maintains an inactive and safe state during normal transportation or loading into a launching device, and at the time of launching. Alternatively, the power generation mechanism starts to operate by a predetermined acceleration or impact after being fired to explode or ignite a bullet under a desired time or condition.

【0002】[0002]

【従来の技術】これまで弾丸の信管には大別して次の3
種類があった。 (1)弾丸が目標部分に着弾したときに瞬発的にあるい
は若干の時間的遅れをもって爆薬を爆発または発火させ
る着発信管。 (2)タイマーを作動させて一定時間経過後に爆薬を爆
発または発火させる時限信管。 (3)前記の着発信管の作用と時限信管の作用をあわせ
もった複動信管。
2. Description of the Prior Art Bullet fuses have been classified into the following three types.
There were types. (1) A landing / emission tube that explodes or ignites explosives instantaneously or with a slight time delay when a bullet hits a target portion. (2) A timed fuse that explodes or ignites explosives after a certain period of time has elapsed by operating a timer. (3) A double-action fuze that combines the functions of the incoming and outgoing tubes and the timed fuze.

【0003】[0003]

【発明が解決しようとする課題】これらの信管は、いず
れも予期しない状態での爆発等事故の発生を予防するた
め、安全機構が設けられている。この安全機構の主たる
働きは、弾丸が飛しょう状態にある際に生じる加速度、
遠心力等の外力を利用して小さな風車等を回し、その時
生じる起電力によって安全機構自体の制御部を動作さ
せ、安全を解除することであった(実公平1−1328
0号公報)。しかし、このような安全機構は、弾頭部の
信管内に組み込まれるものが殆どであり、スペース的に
制約された状態で高精度を保つ必要があり、その構造が
いずれも複雑化するとともに、動作の信頼性も低いとい
う課題があった。この発明は、そのような課題を解決
し、簡単な構造で作動信頼性の高い発電機構と、この発
電機構からの給電で誤動作なく機能する安全機構を備え
た信管装置を提供することを目的としたものである。
All of these fuses are provided with a safety mechanism in order to prevent the occurrence of accidents such as an explosion in an unexpected state. The main function of this safety mechanism is the acceleration that occurs when the bullet is in flight,
It was to rotate a small windmill etc. using external force such as centrifugal force and operate the control part of the safety mechanism itself by the electromotive force generated at that time to release the safety (actual fair 1-1328).
No. 0). However, most of these safety mechanisms are built in the fuse of the warhead, and it is necessary to maintain high accuracy in a space-constrained state. There was a problem that the reliability of was low. SUMMARY OF THE INVENTION It is an object of the present invention to solve such problems and to provide a fuze device including a power generation mechanism having a simple structure and high operation reliability, and a safety mechanism that functions without malfunction due to power supply from the power generation mechanism. It was done.

【0004】[0004]

【課題を解決するための手段】この発明は上記の目的を
達成するために、信管装置を次のような構成としたもの
である。すなわち、弾丸の弾頭部に取り付けられる発電
機構と、発電機構からの給電によって信管全体を不活性
な安全状態から安全を解除し、爆発可能な活性状態に切
り換える安全機構と、弾丸の弾薬を爆発させる電気雷管
を備え、前記発電機構は信管全体の主電源をなす熱電池
と、この熱電池を着火させ活性な起電状態とする点火器
具としての圧電素子とからなり、圧電素子は弾丸が飛し
ょう状態にある際所定以上の加速度または衝撃を検出し
て撃鉄がそのロック状態から解除され、素子をハンマー
動作で強打して高電圧を発生するものであり、安全機構
はこれに内蔵された制御部が熱電池からの給電を受けて
作動し、その出力電気信号によって電気雷管を含む信管
全体を不活性な安全状態から爆発可能な活性状態とする
安全解除部を動作させるものであり、電気雷管は安全状
態が解除され爆発可能な活性状態に保たれた上で熱電池
からの給電で起爆し、弾丸中の爆薬に着火し、これを爆
発させるものである。
In order to achieve the above object, the present invention has a fuze device having the following configuration. That is, a power generation mechanism attached to the bullet head, a safety mechanism that releases the safety from the inactive safety state of the entire fuze by power supply from the power generation mechanism, and switches it to an explosive active state, and explodes the bullet ammunition Equipped with an electric detonator, the power generation mechanism consists of a thermal battery that serves as the main power source for the entire fuze, and a piezoelectric element as an ignition device that ignites this thermal battery to an active electromotive state. In this state, the hammer is released from the locked state by detecting an acceleration or impact greater than a predetermined value, and the element is hammered to generate a high voltage.The safety mechanism has a built-in control unit. Is operated by receiving power from the thermal battery, and the output electrical signal also activates the safety release unit that changes the entire fuze including the electric detonator from the inactive safe state to the explosive active state. , And the electric detonator is detonated by feeding from thermal battery on the safe state is maintained to be released explosion possible active, ignited explosive in bullets, but detonating it.

【0005】[0005]

【作用】このような本発明の信管装置は、弾丸が通常の
保管あるいは発射装置にセットされて待機状態にある際
には、発電機構部分が安定した不活性状態を長期間良好
に維持する。さらに取り扱い時の単純な落下や運搬等で
加えられる軽度の加速度では、発電機構の点火器具とし
ての圧電素子が動作することはないので予期しない状態
での弾丸の爆発等の事故は全く生じないものである。加
えて点火器具としての圧電素子は、所定以上の加速度ま
たは衝撃が加わったとき、これらを検出して初めて動作
するセンサー機能をもち、しかもその構成自体が簡素で
誤動作のないものであるから、信管装置の信頼性、安全
性を長期間にわたって高く保つことができるものであ
る。
In such a fuze device of the present invention, when the bullet is set in the ordinary storage or the launching device and is in the stand-by state, the power generation mechanism part maintains the stable inactive state for a long time. In addition, a slight acceleration applied by simple dropping or transportation during handling does not cause the piezoelectric element as the ignition device of the power generation mechanism to operate, so accidents such as explosion of bullets in an unexpected state do not occur at all. Is. In addition, the piezoelectric element as an ignition device has a sensor function that operates only when an acceleration or shock greater than a predetermined value is applied, and the structure itself is simple and does not malfunction. The reliability and safety of the device can be kept high for a long period of time.

【0006】[0006]

【実施例】以下、本発明の信管装置の詳細は図を参照し
て説明する。図1はこの発明における信管装置の概略構
成を示すブロック図であり、図2はこの信管装置を内蔵
した弾頭ケースの概略を示す断面略図である。
DESCRIPTION OF THE PREFERRED EMBODIMENTS Details of the fuze device of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram showing a schematic configuration of a fuze device according to the present invention, and FIG. 2 is a schematic sectional view showing an outline of a warhead case incorporating the fuze device.

【0007】図において、1は発電機構を示し、これは
信管全体の主電源をなす多数セルを直列に結線した積層
形の熱電池2と、その点火器具およびセンサーとしての
圧電素子3とから構成されている。この圧電素子3は素
子自体の他、加速度あるいは衝撃を検出し、これが所定
値以上となったときにロック状態が解除されて素子を強
打し、高起電力を発生させる撃鉄4とからなっている。
In the figure, reference numeral 1 denotes a power generation mechanism, which is composed of a laminated type thermal battery 2 in which a large number of cells forming the main power source of the entire fuze are connected in series, and a piezoelectric element 3 as an ignition device and a sensor thereof. Has been done. The piezoelectric element 3 includes, in addition to the element itself, a hammer 4 that detects acceleration or impact, and when the acceleration or impact exceeds a predetermined value, the locked state is released and the element is struck to generate a high electromotive force. ..

【0008】熱電池2が圧電素子3からの点火電気信号
で着火され、着火導線5等で多数セルが瞬時に発電状態
となると、その起電力は安全機構6と電気雷管7とに供
給され動作状態または待機状態を保つことができる。安
全機構6は前述した通り、信管の動作を制御する制御部
8と、電気雷管7への通電着火を阻止して安全状態に保
っていた状態から、雷管7が爆発可能な活性状態となり
うる状態に切り換える安全解除機構9とから構成されて
いる。図1に示す電気雷管7は、弾丸中の爆薬への起爆
手段であり、通常は雷管ホルダー等に保持され、単純な
衝撃等では誤動作しない状態に保たれいる。
When the thermal battery 2 is ignited by an electric signal for ignition from the piezoelectric element 3 and a large number of cells are instantly in a power generating state by the ignition wire 5 or the like, the electromotive force is supplied to the safety mechanism 6 and the electric detonator 7 to operate. The state or the waiting state can be maintained. As described above, the safety mechanism 6 is a state in which the detonator 7 can be in an active state in which it can explode from the state in which the control unit 8 for controlling the operation of the fuze and the state in which the electric ignition to the electric detonator 7 is blocked and kept in a safe state. And a safety release mechanism 9 for switching to. The electric detonator 7 shown in FIG. 1 is a means for detonating explosives in a bullet, and is usually held by a detonator holder or the like, and is kept in a state where it does not malfunction due to a simple impact or the like.

【0009】この発明の信管装置は以上に説明した各機
構、要素で構成されるが、これらは全て図2に示す弾頭
ケース10内に収容されている。
The fuze device of the present invention comprises the above-described mechanisms and elements, all of which are housed in the warhead case 10 shown in FIG.

【0010】そしてこの弾頭ケースを弾丸の弾頭部に、
例えばねじ込み方式で確実にセットすることで使用可能
な状態になる。
Then, this warhead case is attached to the bullet head,
For example, it can be used by surely setting it by a screwing method.

【0011】このような信管装置は、電源をなす発電機
構が、熱電池と、これを点火動作させる点火器具として
の圧電素子で構成され、圧電素子はその撃鉄により強打
衝撃を受けることで初めて高起電力を発生するものであ
る。従ってこの発電機構の点火器具としての圧電素子
は、圧電素子を強打するハンマー機能をもった撃鉄を、
そのロック機構で通常はロックしておき、一定以上の加
速度あるいは衝撃を受けたときにロックが解除されて瞬
時に移動して圧電素子を強打するように保つことができ
る。しかもそのロック機構および撃鉄の圧電素子を強打
するためのガイド機構は、簡単な構成で確実に撃鉄を動
作させることができる。
In such a fuze device, a power generation mechanism which constitutes a power source is composed of a thermal battery and a piezoelectric element as an ignition device for igniting the thermal battery. It generates an electromotive force. Therefore, the piezoelectric element as the ignition device of this power generation mechanism is a hammer with a hammer function that hits the piezoelectric element.
Normally, the lock mechanism is locked, and when the acceleration or the impact exceeds a certain level, the lock is released and the piezoelectric element can be momentarily moved and struck. Moreover, the lock mechanism and the guide mechanism for smashing the piezoelectric element of the hammer are capable of reliably operating the hammer with a simple configuration.

【0012】これにより作動の信頼性が高い発電機構を
電源としてシステムの中に確保することができ、前記し
た単純な加速度や誤った落下等に起因して爆発事故を生
じるというような危険は十分に回避できる。
As a result, it is possible to secure a power generation mechanism having a highly reliable operation as a power source in the system, and there is a sufficient risk of causing an explosion accident due to the above-mentioned simple acceleration or erroneous drop. Can be avoided.

【0013】[0013]

【発明の効果】以上述べたように、この発明の信管装置
は、信管の主電源としての発電機構に熱電池を用い、そ
の点火器具としての圧電素子を用いたものであるので、
圧電素子の撃鉄は所定以上の加速度あるいは衝撃を加え
た際にそのロック機構が解除されて圧電素子を強打し、
圧電素子に高起電力を発生させて熱電池を着火し、これ
を発電可能な活性状態に保つことができる。このため弾
丸の保管状態あるいは発射装置にセットされた待機状態
では、誤動作による爆発等は確実に防止でき、弾丸の取
り扱い時の安全性および飛しょう時における爆発の信頼
性を良好に保つことができる。
As described above, the fuze device of the present invention uses the thermal battery as the power generation mechanism as the main power source of the fuze, and uses the piezoelectric element as the ignition device.
The hammer of the piezoelectric element, when the acceleration or shock of a predetermined amount or more is applied, the lock mechanism is released and the piezoelectric element is banged.
A high electromotive force can be generated in the piezoelectric element to ignite the thermal battery, and this can be maintained in an active state capable of generating power. Therefore, in the storage state of the bullet or the standby state set in the launcher, explosion etc. due to malfunction can be reliably prevented, and the safety of bullet handling and the reliability of explosion during flight can be kept good ..

【図面の簡単な説明】[Brief description of drawings]

【図1】本発明の信管装置の概略構成を示すブロック
図。
FIG. 1 is a block diagram showing a schematic configuration of a fuze device of the present invention.

【図2】同信管装置を内蔵した弾頭ケースの概略図。FIG. 2 is a schematic view of a warhead case incorporating the same fuze device.

【符号の説明】[Explanation of symbols]

1 発電機構 2 熱電池 3 圧電素子 4 撃鉄 5 着火導線 6 安全機構 7 電気雷管 8 制御部 9 安全解除機構 10 弾頭ケース 1 Power Generation Mechanism 2 Thermal Battery 3 Piezoelectric Element 4 Hammering Iron 5 Ignition Conductor 6 Safety Mechanism 7 Electric Detonator 8 Control Section 9 Safety Release Mechanism 10 Warhead Case

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】 飛しょうする弾丸に装備される信管装置
において、 弾丸の弾頭部に取り付けられる発電機構と、 発電機構から供給される電力によって信管全体を不活性
な安全状態から爆発可能な活性状態に切り換える安全機
構と、 弾丸爆発用の電気雷管を備え、 前記発電機構は、所定以上の加速度または衝撃を加えた
際、撃鉄が作動して高起電力を発生する圧電素子と、こ
の圧電素子からの高起電力で発熱剤が着火されて起電力
を生じる熱電池とからなり、 前記安全機構は、熱電池からの供給電力で内蔵した制御
部が動作し、信管全体の不活性な安全状態を解除する安
全解除部に通電してこれを動作させるとともに前記電気
雷管への給電を行なうことを特徴とした信管装置。
1. A fuze device mounted on a flying bullet, wherein a power generation mechanism attached to the bullet head of the bullet and an active state in which the entire fuze can be detonated from an inactive safe state by electric power supplied from the power generation mechanism. A safety mechanism for switching to, and an electric detonator for bullet explosion, the power generation mechanism is a piezoelectric element that activates a hammer to generate a high electromotive force when an acceleration or impact greater than a predetermined value is applied, and from this piezoelectric element. Consists of a thermal battery that generates an electromotive force by igniting an exothermic agent with a high electromotive force, and the safety mechanism operates a control unit built in with the power supplied from the thermal battery to ensure an inactive safe state of the entire fuze. A fuze device characterized in that a safety releasing portion for releasing is energized to operate the same, and at the same time, power is supplied to the electric detonator.
JP13712192A 1992-05-28 1992-05-28 Fuze Expired - Lifetime JPH0715360B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13712192A JPH0715360B2 (en) 1992-05-28 1992-05-28 Fuze

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13712192A JPH0715360B2 (en) 1992-05-28 1992-05-28 Fuze

Publications (2)

Publication Number Publication Date
JPH05322497A true JPH05322497A (en) 1993-12-07
JPH0715360B2 JPH0715360B2 (en) 1995-02-22

Family

ID=15191314

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13712192A Expired - Lifetime JPH0715360B2 (en) 1992-05-28 1992-05-28 Fuze

Country Status (1)

Country Link
JP (1) JPH0715360B2 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014070799A (en) * 2012-09-28 2014-04-21 Ihi Aerospace Co Ltd Ignition operation device for pyrotechnic
JP5483779B1 (en) * 2013-02-15 2014-05-07 防衛省技術研究本部長 Flying object with thermal battery
JP2014135230A (en) * 2013-01-11 2014-07-24 Komatsu Ltd Rotating flying object
JP2021517229A (en) * 2018-03-19 2021-07-15 サーブ エービーSaab Ab Piezoelectric sensor arrangement and signal discrimination method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014070799A (en) * 2012-09-28 2014-04-21 Ihi Aerospace Co Ltd Ignition operation device for pyrotechnic
JP2014135230A (en) * 2013-01-11 2014-07-24 Komatsu Ltd Rotating flying object
JP5483779B1 (en) * 2013-02-15 2014-05-07 防衛省技術研究本部長 Flying object with thermal battery
JP2021517229A (en) * 2018-03-19 2021-07-15 サーブ エービーSaab Ab Piezoelectric sensor arrangement and signal discrimination method

Also Published As

Publication number Publication date
JPH0715360B2 (en) 1995-02-22

Similar Documents

Publication Publication Date Title
US5269223A (en) Piezoelectric fuse system with safe and arm device for ammunition
JP4652831B2 (en) Detonators for detonation-controlled shells
US5536990A (en) Piezoelectric igniter
US4089268A (en) Safe arming system for two-explosive munitions
USH251H (en) Increased safety in use, and improved function, of ammunition items
US4911382A (en) Safe electro ballistic escape sequencing system
US5872324A (en) Trimode fuze
EP0228783B1 (en) Arming and motor ignition device
JPH10511174A (en) Solid fuel launch vehicle destruction system and method
SE520188C2 (en) Sparkle for grenade with partial charges and method for igniting a partial charge grenade
US2789508A (en) Safety and arming mechanism
JPH05322497A (en) Fuse device
KR101331360B1 (en) fuse and method for self-destruct for sub-munition
US6629498B1 (en) Proximity submunition fuze safety logic
US5147975A (en) Remotely settable, multi-output, electronic time fuze and method of operation
EP1210563B1 (en) Detonator
US5000094A (en) Shotgun cartridge with explosive shell
KR101016834B1 (en) Electronic Delayed Self-Destruct Fuse of Submunition
US4110812A (en) Non-recurrent pulse generator
EP0605356B1 (en) Self-destructive electronic fuse
Cooper Electro-explosive devices
KR20150116307A (en) The shock-sensing and unlocking circuits of the safety and arming device for the missile fuze
US6257145B1 (en) Pyrotechnical impact detonator
US4281600A (en) Subprojectile to be expelled from a projectile
JP3395794B2 (en) Ammunition thermal battery activation device

Legal Events

Date Code Title Description
S533 Written request for registration of change of name

Free format text: JAPANESE INTERMEDIATE CODE: R313533

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

EXPY Cancellation because of completion of term