JPS59207476A - Circuit protecting device - Google Patents

Circuit protecting device

Info

Publication number
JPS59207476A
JPS59207476A JP58083022A JP8302283A JPS59207476A JP S59207476 A JPS59207476 A JP S59207476A JP 58083022 A JP58083022 A JP 58083022A JP 8302283 A JP8302283 A JP 8302283A JP S59207476 A JPS59207476 A JP S59207476A
Authority
JP
Japan
Prior art keywords
terminal
main body
terminals
circuit
signal
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.)
Pending
Application number
JP58083022A
Other languages
Japanese (ja)
Inventor
Reizo Akeda
明田　禮三
Tokuji Suga
菅　徳次
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP58083022A priority Critical patent/JPS59207476A/en
Publication of JPS59207476A publication Critical patent/JPS59207476A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C5/00—Details of stores covered by group G11C11/00
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C5/00—Details of stores covered by group G11C11/00
    • G11C5/14—Power supply arrangements, e.g. power down, chip selection or deselection, layout of wirings or power grids, or multiple supply levels
    • G11C5/143—Detection of memory cassette insertion or removal; Continuity checks of supply or ground lines; Detection of supply variations, interruptions or levels ; Switching between alternative supplies
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/7088—Arrangements for power supply

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)

Abstract

PURPOSE:To turn on and off an electric power supply circuit without using a microswitch and to attain a circuit protection by giving contrivance to the structure of a terminal of substrate which is connected to a terminal of the main body side. CONSTITUTION:Protection signal terminals 15a and 15b and earth terminal 20a and 20b are provided to a connector 10 of the main body side together with signal terminals 21a and 21b. A terminal 20 is earthed and a terminal 15 is connected to a circuit 18 which turns on and off a power supply circuit. While a substrate 11 which is loaded and unloaded to the main body contains terminals 17a and 17b connected to a terminal 21, terminals 22a and 22b connected to the terminal 15 and terminals 23a and 23b connected to the terminal 20. Terminals 22 and 23 have a simultaneous contact with terminals 15 and 20, and a terminal 17 is connected to the terminal 21 with a small delay. When the substrate 11 is pushed into a connector 10, the terminal 23 has always a contact with the terminal 20. While the terminal 22 is detached from the terminal 15 when the substrate 11 is pushed to the utmost inside. Terminals 22 and 23 are electrically connected to each other, and the circuit 18 is controlled by the potential of the terminal 15.

Description

【発明の詳細な説明】 産業上の利用分野 本発明はコンピュータ等、本体機能拡張のためにカート
リッジを使用する機器等に使用して効果のある回路保強
装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a circuit protection device that is effective when used in devices such as computers that use cartridges to expand the functionality of the device.

従来例の構成とその問題点 近年、パーソナルコンビーータのカートリッジには挿抜
時の保護装置が使用されているっ以下、従来の回路保護
装置について説明する。Conventional Structures and Problems In recent years, protection devices for inserting and removing cartridges have been used in personal converter cartridges.Hereinafter, a conventional circuit protection device will be described.

第１図に示すように本体１にカートリッジとを挿入し、
本体１よシ抜く場合、本体１の電源スィッチを切らなり
ま１行なわれることが多く、この結果、本体１の内部回
路が破壊から回路を保護するために、第２図に示す装置
が採用されている。Insert the cartridge into the main body 1 as shown in Fig. 1,
When removing the main body 1, it is often necessary to turn off the power switch of the main body 1. As a result, in order to protect the internal circuit of the main body 1 from being destroyed, the device shown in Fig. 2 is adopted. ing.

第２図に示すように、カートリッジ８が本体に挿入され
ると本体に設けられたマイクロスイッチ９が押されてマ
イクロスイッチ９がオフとなり、本体のトランジスタＴ
ｒ２がオンＴｒｉがオフとな９本体の電源遮断部３がオ
フとなる。カートリッジ８がさらに挿入されると端子７
を除く全ての端子が本体の端子に接続される。カート’
）　ｙン８を最奥部まで挿入すると、最後に端子Ｙが本
体の端子４に接続される。端子７は端子６と接続されて
おり、本体の端子５は接地されているので、この次点で
トランジスタＴｒ２のベースＩａｇｔ７−４　＋　７　
＋６．５を介してグランドに接ホ光されトランジスタＴ
ｒ２はオフ、トランジスタＴｒ１がオンとなって電源遮
断部３がオンとなり電源が供給される。従って信号線が
接続されるタイミングでは必ず電源はオフされており回
路は保護される。As shown in FIG. 2, when the cartridge 8 is inserted into the main body, the micro switch 9 provided on the main body is pressed, the micro switch 9 is turned off, and the transistor T of the main body is turned off.
When r2 is on and Tri is off, the power cutoff section 3 of the main unit 9 is turned off. When the cartridge 8 is further inserted, the terminal 7
All terminals except for are connected to the terminals on the main unit. cart'
) When yn 8 is inserted to the innermost part, terminal Y is finally connected to terminal 4 on the main body. Terminal 7 is connected to terminal 6, and terminal 5 of the main body is grounded, so this runner-up is the base Iagt7-4 + 7 of transistor Tr2.
The transistor T is connected to ground through +6.5.
r2 is turned off, transistor Tr1 is turned on, power cutoff section 3 is turned on, and power is supplied. Therefore, the power is always turned off at the timing when the signal line is connected, and the circuit is protected.

しかしながらこの装置ではカートリッジが傾いて挿入さ
れないように本体のガイド部を長く、かつ精度良く作る
必要があるとともにマイクロスインチを特別に設ける必
要がある。甘たマイクロスイッチの取付の位置切め精度
を吸する鵠、神々の欠点がある。However, in this device, it is necessary to make the guide portion of the main body long and accurate so that the cartridge is not inserted at an angle, and it is also necessary to provide a special microsinch. There is a flaw in the gods, the mouse who sucks at the positioning precision of the installation of a naive micro switch.

発明の目的 本発明は上記の欠点を考慮し、マイクロスインチを特別
に設ける必要のない回路保護装置行を提供するものであ
る。OBJECTS OF THE INVENTION The present invention takes into account the above-mentioned drawbacks and provides a circuit protection device row that does not require special provision of microsinches.

発明の構成 本発明は本体１′則に信号端子の他に７０テクト信号端
子とアース端子を設け、このアース端子１ｄ接地し、前
記フロテクト信号端子（ｄ、本体の電の回路をオンオフ
する回路に接続し、前記本体に九−説される基板に前記
信号端子に接続される第１の端子と、前記フロテクト信
号端子に接わ「される第２の端子と、前記アース端子に
接続される第３の端子とを設け、前記第２の端子と＆４
３の端子は同時に前記プロテクト１ｇ号端子とアース；
４％子に懐石し、前記第１の端子は前記第２．第３の端
子か前記フロテクト信号端子とアース端子に接触してか
ら少し遅れて前記本体ｆｆ１ｌ＋の信号端子に接続され
るＪ′う＋１４成し、前記基板を本体に押し込んだとき
前記第３の端子Ｃ２常に前記アース端子に接触状態にあ
るが、前記第２の端子は前記プロテクト端子より離れる
よう酩成し、Ｒ１１記第２の端子と前記第３の端子は電
気的に接続状態にし、前記プロテクト信号端子の電位に
より前記電源回路をオンオフする回路を制御するように
した回路保護装置である。Structure of the Invention The present invention provides a 70tect signal terminal and a ground terminal in addition to the signal terminal in the main body 1' rule, this ground terminal 1d is grounded, and the floattect signal terminal (d, a circuit for turning on and off the power circuit of the main body) is provided. a first terminal connected to the signal terminal, a second terminal connected to the float protection signal terminal, and a second terminal connected to the ground terminal. 3 terminals, and the second terminal and &4 terminals are provided.
Terminal 3 is simultaneously connected to the protect No. 1g terminal and ground;
The first terminal is connected to the second terminal. The third terminal is connected to the signal terminal of the main body ff1l+ a little after the third terminal contacts the float protection signal terminal and the ground terminal, and when the board is pushed into the main body, the third terminal is connected to the signal terminal of the main body ff1l+. C2 is always in contact with the ground terminal, but the second terminal is configured to be separated from the protect terminal, R11 the second terminal and the third terminal are electrically connected, and the protect terminal This circuit protection device controls a circuit that turns on and off the power supply circuit based on the potential of a signal terminal.

実施例 以下本発明の実（血、７％：について図面を参照して説
明する。第３１スは本発明の第一の実砲例を示している
。第３図において、１０は本体仰ｊコネクタ、１１はカ
ートリッジ基板、１２は電源スイツチ部、１３に、電源
入力端子、１４は電源出力端子、１５ａ。EXAMPLES Below, the fruit (blood, 7%) of the present invention will be explained with reference to the drawings.The 31st example shows the first example of the actual gun of the present invention.In Fig. 3, 10 is the body elevation. A connector, 11 is a cartridge board, 12 is a power switch section, 13 is a power input terminal, 14 is a power output terminal, 15a.

１６ｂはプロテクト信号端子、１６ａ、１６ｂｉＪグロ
テクト信号用エツジ端子部、１７’ａ、、　Ｉ　Ｙｂは
他の信号線用♂ツ１．１子（第１の端子）である。16b is a protect signal terminal, 16a, 16biJ protect signal edge terminal portions, 17'a, , IYb are other signal line male 1.1 pins (first terminals).

プロテクト１８号端子１５ａ、１５ｂは本体側コネクタ
１００両端に設けられ、結合されてトランジスタ１８の
ベースに接続されている。トランジスタ１８のベースに
は電源入力端子より抵抗１９を介してバイアスが加えら
れている。フロテクト信号端子１５ａ、１５ｂ（／ｉ１
ｍ隣接するアースぐ７ｊ５子２０ａ、２０．ｂには接地
されているっ信−シラ゛線用に’１ｉｌｊ子１７ａ、１
７ｂは端子１６ａ、１６ｂか端子１６ａ、１５ｂ、２０
ａ、２０ｂにＪ１角虫する」こり少し遅れて本体側のイ
言号端子２１ａ、２１ｂ（ｒｃ接触するよう位置関係が
定められている。ｊｉｉＭ子１６ａ。Protect No. 18 terminals 15a and 15b are provided at both ends of the main body side connector 100, and are coupled and connected to the base of the transistor 18. A bias is applied to the base of the transistor 18 from the power input terminal via a resistor 19. Flotect signal terminals 15a, 15b (/i1
m adjacent earth 7j 5 children 20a, 20. b is grounded for the signal line - 1ilj terminal 17a, 1
7b is terminal 16a, 16b or terminal 16a, 15b, 20
A, 20b are connected to the J1 horn. After a little delay, the A word terminals 21a, 21b on the main body side (the positional relationship is determined so that they make rc contact. jiiM child 16a.

１６ｂは二つの端子部分２２ａ、２３ａ、２２ｂ。16b are two terminal portions 22a, 23a, 22b.

２３ｂに分けて考えることができる。２２　ａ、　２２
ｂ（第２の端子）は本体側端子１ｓａ、１ｓｂに一度接
触するが基板１１を最奥部祉て押し込むと、端子１５ａ
、１５ｂとの接触かなくなるものであり、’ｌ’ｊＹｉ
子２３　Ｃ１ｌ　２３　ｂ　（Ｊ　３の端子）は端子２
２ａ　、２２ｂと同時に接触し、基板１１を１’：’＜
　奥部まで押し込んでもその１寸接触状態にあるもので
ある。端子２２ａ、２２ｂと端子２３ａ、２３ｂは電気
的に接続状態にある。It can be divided into 23b. 22 a, 22
b (second terminal) contacts the terminals 1sa and 1sb on the main body side once, but when the board 11 is pushed into the innermost part, the terminal 15a
, 15b is lost, and 'l'jYi
Child 23 C1l 23 b (terminal of J3) is terminal 2
2a and 22b at the same time, and the substrate 11 is 1':'<
Even if you push it all the way to the back, it will still be in contact with it by an inch. The terminals 22a, 22b and the terminals 23a, 23b are electrically connected.

次に第４図を用いてこの装置の動作を説明する。Next, the operation of this device will be explained using FIG. 4.

カートリッジ基板とが挿入されていない状態第４図イで
１は７０テクト−信号端子１５ａはオープン状態となり
トランジスタ１８０ベース（は抵抗を介してバイアスが
加えられた状態となりトランジスタ１８はオン、従って
電源スイツチ部１２はオンとなり、電源人力Ｑ：Ｍ子１
３の電圧は出力端子１４に出力される。In Figure 4A, when the cartridge board is not inserted, 1 is 70tect - the signal terminal 15a is open, the base of the transistor 180 is biased through the resistor, the transistor 18 is on, and the power switch is turned on. Part 12 is turned on, and power supply Q:M child 1
The voltage No. 3 is output to the output terminal 14.

第４図口ではプロテクト信号端子１６ａがカートリッジ
のプロテクト信号用エツジ端子部Ｔ６ａで接地されるの
でトランジスタ１８はオフとな９、電源スイッチ部１２
はオフとなって本体電源出力はオフとなる。In the opening of FIG. 4, the protect signal terminal 16a is grounded at the protect signal edge terminal T6a of the cartridge, so the transistor 18 is turned off 9, and the power switch section 12
is turned off, and the main unit power output is turned off.

第４図ハおよび二は本体電源オフの状態で信号＆８が確
実に接続される様子を示す。FIGS. 4C and 4C show how the signal &8 is reliably connected with the power of the main unit turned off.

第４図示ではカートリッジが完全に挿入された状態で、
信号線は接続され、プロテクト信号端子１５ａｕオープ
ンでありトランジスタ１８（ｄオンとなって電源スイッ
チ都１２はオンとなり再び本体電−源がオンとなる。従
って信号線が接続される前に本体電源がオフされ信号線
が確実に接続された後に電源がオンとなる。In the fourth illustration, the cartridge is fully inserted,
The signal line is connected, the protect signal terminal 15au is open, the transistor 18 (d is turned on, the power switch 12 is turned on, and the main body power is turned on again. Therefore, the main body power is turned on before the signal line is connected. After the power is turned off and the signal line is securely connected, the power is turned on.

また、プロテクト信号用端子が両端に２ヶ所１ｓａ、１
５ｂ設けであるのは〕置板１４１抜時に基板が傾いてい
ても良い、つ甘り挿入時には左右夫、ａかのプロテクト
端子が接続される＋Ｊｉにより’＋Ｌ　ｋがオフとなり
抜出時には両方のプロチクＦ　ＺＭ子かはずれた時点で
電源がオンとなるようにするためのものである。In addition, there are two protect signal terminals on both ends, 1sa and 1sa.
The reason why the 5b is provided is that the board may be tilted when the placing plate 141 is removed, and when it is inserted, the protect terminals of left and right and a are connected. This is to ensure that the power is turned on when the prochik FZM element is disconnected.

第６図、第６Ｉ８２Ｉは他の実砲例を示すものであり第
３図のものとの差異は、端子２２ａ　、２３ａ　。FIG. 6, 6I82I shows another example of a real gun, and the difference from the one in FIG. 3 is the terminals 22a and 23a.

２２ｂ、２３ｂを基板１１の両面に設け、スルホール法
で接続し、本体側の端子１５ａ、２０ａ。22b and 23b are provided on both sides of the board 11 and connected by the through-hole method, and terminals 15a and 20a on the main body side.

１５ｂ、２０ｂを第６図に示すように上下一対の端子と
したことであり、動作は第４図のものと全く同じであり
、第６図にその状態を示す。15b and 20b are a pair of upper and lower terminals as shown in FIG. 6, and the operation is exactly the same as that in FIG. 4, and the state is shown in FIG.

なお、前記の実砲例においてはトランジスタのコレクタ
出力で電源をオンオンしているが、コネクタに接続され
ている信号線をハイインピーダンスにしてし丑ことも考
えられる。In the above-mentioned actual gun example, the power is turned on by the collector output of the transistor, but it is also possible to set the signal line connected to the connector to high impedance.

発明の効果 以上のように本発明によれば本体側の端子に接続される
ノ１（板の端子構造に工夫をするだけで基板挿入時、一
度本体側の電源を切ることができ、従来例で示したよう
に特別にマイクロスインチを設ける８沙がないものであ
る。Effects of the Invention As described above, according to the present invention, it is possible to turn off the power on the main body side once when inserting the board by simply devising the terminal structure of the board connected to the terminal on the main body side. As shown in Figure 2, there is no special micro-sinch.

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

第１図ｄ：従来例における回路保詠装置の平面図、第２
図は同装置の一１川路およびｍ造を示す南、第３同装置
の動作説＋ｐ４のための図である。 １０　・・・コネクタ、１１・・・・・・基板、１２・
・・・・電イ原スイソナ部、１８　・・・・トランジス
タ、１６ａ。 １５ｂ・・・・プロテクト（８号端子、２０ａ、２０ｂ
・・・・弓１Ａ；子、２１ａ、２ｉｂ・・・・・・信号
端子、１６ｄ。 １６ｂ、２２ａ、２２ｂ、２３ａ、２３ｂ、、、、、、
端子、１ｙａ、ｉＹｂ・・・・・・（ｉ号端子。 代理人の氏名　弁理士　中　尾　敏　男　ほか７名第１
図 ！Fig. 1d: Plan view of the circuit protection device in the conventional example, Fig. 2
The figure is a diagram for the operation theory + p4 of the 3rd part of the same equipment, showing the 11th river route and m structure of the same equipment. 10... Connector, 11... Board, 12...
...Electronic source unit, 18 ...Transistor, 16a. 15b...Protect (No. 8 terminal, 20a, 20b
...Bow 1A; Child, 21a, 2ib...Signal terminal, 16d. 16b, 22a, 22b, 23a, 23b, ...
Terminal, 1ya, iYb... (terminal i. Name of agent: Patent attorney Toshi Nakao, and 7 others No. 1)
figure!

Claims (2)

【特許請求の範囲】[Claims] （１）本体ｌ１１１１に信号端子の他にプロテクト信号
端子とアース端子を設け、このアース端子は接地し、前
記プロテクト信号端子は本体の電源回路をオンオンする
回路に４要続し、前記本体に着脱される基板に前記信号
端子に接続される第１の端子と、前記プロテクト信号端
子に接続される第２の端子と前記アース端子に接続され
る第３の端子とを設は前記第２の端子と第３の端子は同
時に前記グロテクト悄号端子とアース端子に接触し、前
記第１の端子は前記第２．第３の端子が前記プロテクト
信号端子とアース端子に接触してから少し遅れて前記本
体（＋１１の信号端子に接続されるように構成し、前記
基板を本体に゛押し込んだとき前記第３の端子は常に前
記アース端子に接触状態にあるが、前記第２の端子は前
記プロテクト端子より離れるよう構成し、前記第２の端
子と前記第３の端子は電気的に接続状態にし、前記フロ
テクト化゛号端子の電位によシ前記電源回路をオンオフ
する回路をｉｌｉ制御するようにした回路保護装置。(1) In addition to the signal terminal, the main body l1111 is provided with a protect signal terminal and a ground terminal, this ground terminal is grounded, and the protect signal terminal is connected to a circuit that turns on the power supply circuit of the main body, and is detachable from the main body. A first terminal connected to the signal terminal, a second terminal connected to the protect signal terminal, and a third terminal connected to the ground terminal are provided on the substrate to be connected to the second terminal. and a third terminal simultaneously contact the Grotect terminal and the ground terminal, and the first terminal contacts the second terminal. The structure is such that the third terminal is connected to the main body (+11 signal terminal) a little later after the third terminal contacts the protect signal terminal and the ground terminal, and when the board is pushed into the main body, the third terminal is always in contact with the ground terminal, but the second terminal is configured to be separated from the protect terminal, the second terminal and the third terminal are electrically connected, and the float protection A circuit protection device that controls a circuit that turns on and off the power supply circuit according to the potential of a signal terminal. （２）基板の前方両端に第１の端子、第２のψ）′Ａ：
子。 第３の端子をそれぞれ設け、前記基板がｊＬＤ人される
本体のコネクタの両端にプロテクト信号端子々アース端
子をそれぞれ設けた特許ｉ＋！’ｆ求の範り月］第１項
記載の回路保護装置。(2) First terminal and second terminal ψ)'A on both front ends of the board:
Child. Patent i+, in which a third terminal is provided respectively, and a protect signal terminal and a ground terminal are respectively provided at both ends of the connector of the main body to which the board is connected. The circuit protection device according to item 1.
JP58083022A 1983-05-12 1983-05-12 Circuit protecting device Pending JPS59207476A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58083022A JPS59207476A (en) 1983-05-12 1983-05-12 Circuit protecting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58083022A JPS59207476A (en) 1983-05-12 1983-05-12 Circuit protecting device

Publications (1)

Publication Number Publication Date
JPS59207476A true JPS59207476A (en) 1984-11-24

Family

ID=13790608

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58083022A Pending JPS59207476A (en) 1983-05-12 1983-05-12 Circuit protecting device

Country Status (1)

Country Link
JP (1) JPS59207476A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0260808A2 (en) * 1986-08-18 1988-03-23 Tokyo Electric Co. Ltd. Connecting structure for connecting a memory unit to a memory unit controller
EP0728374A1 (en) * 1993-11-09 1996-08-28 Berg Electronics Manufacturing B.V. Connector assembly

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0260808A2 (en) * 1986-08-18 1988-03-23 Tokyo Electric Co. Ltd. Connecting structure for connecting a memory unit to a memory unit controller
EP0728374A1 (en) * 1993-11-09 1996-08-28 Berg Electronics Manufacturing B.V. Connector assembly
EP0728374A4 (en) * 1993-11-09 1997-01-02 Berg Electronics Mfg Connector assembly
US5681173A (en) * 1993-11-09 1997-10-28 Berg Technology, Inc. Method for enhancing the signal carrying capability of an electrical connector
US5860819A (en) * 1993-11-09 1999-01-19 Berg Technology, Inc. Connector assembly

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