JP2002050435A

JP2002050435A - Live line insertion.extraction detecting circuit, and live line insertion.extraction detecting method

Info

Publication number: JP2002050435A
Application number: JP2000234849A
Authority: JP
Inventors: Takuya Takagi; 卓也高木
Original assignee: NEC Corp
Current assignee: NEC Corp
Priority date: 2000-08-02
Filing date: 2000-08-02
Publication date: 2002-02-15
Anticipated expiration: 2020-08-02
Also published as: JP3438706B2

Abstract

PROBLEM TO BE SOLVED: To provide a live line insertion.extraction detecting circuit with small number of parts. SOLUTION: A signal-use connector 2 with signal pins 15a, and insertion.extraction-use connectors 1, 3 with a long pin 13a and a short pin 14a are fixed to a connector part 11. Corresponding to the above, a signal-use connector 5 with signal pins 15b, and insertion.extraction-use connectors 4, 6 with a long pin 13b and a short pin 14b are fixed to a connector part 12. Two pieces of long pins 13a are grounded, and an insertion start.extraction finish detection part 16 with grounded two long pins 13b, is connected to a power source VDD through a pull-up resistor 7. A short pin 14b is grounded, and two short pins 14a are connected with each other, and another insertion start.extraction finish detection part 18 with grounded short pin 14b is connected to a power source VDD through a pull-up resistor 8.

Description

DETAILED DESCRIPTION OF THE INVENTION

【０００１】[0001]

【発明の属する技術分野】本発明は、活線挿抜検出回路
および活線挿抜方法に関し、特にコネクタにシグナルピ
ンのほかにコネクタの挿抜の開始および終了を検出する
ためのロングピンおよびショートピンを設けた活線挿抜
検出回路および活線挿抜方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hot-line insertion / removal detection circuit and a hot-line insertion / removal method, and more particularly to a connector provided with a long pin and a short pin for detecting the start and end of insertion / removal of a connector in addition to a signal pin. The present invention relates to a hot-swap detection circuit and a hot-swap method.

【０００２】[0002]

【従来の技術】プリント板に回路を搭載したカードをコ
ネクタを介して装置本体側に接続し、装置の電源を遮断
せずに運用したままでカードのコネクタを挿抜する活線
挿抜において、挿抜時には対象のカードのインタフェー
ス信号をマスクするもしくは動作を停止させる必要があ
る。そのため、コネクタに特別に長いロングピンおよび
特別に短いショートピンを設けてコネクタ挿抜の開始お
よび終了を検出している。また、コネクタの挿抜時にカ
ードが傾斜している場合の対策のため、コネクタの複数
箇所にロングピンおよびショートピンを設けている。2. Description of the Related Art In a live insertion / removal operation, a card having a circuit mounted on a printed board is connected to the main body of the apparatus via a connector, and the card connector is inserted / removed while the apparatus is operated without powering off. It is necessary to mask the interface signal of the target card or stop the operation. Therefore, the connector is provided with a particularly long pin and a particularly short pin to detect the start and end of insertion and removal of the connector. In addition, long pins and short pins are provided at a plurality of locations of the connector in order to prevent the card from being inclined when the connector is inserted or removed.

【０００３】図５は、従来の活線挿抜検出回路の回路図
を含む正面図である。FIG. 5 is a front view including a circuit diagram of a conventional hot-swap detecting circuit.

【０００４】図５において、装置本体側に実装される本
体ボード５０の先端の辺からなるコネクタ部５２の中央
部に信号用コネクタ４５が固定され、信号用コネクタ４
５の両側部に挿抜検出用コネクタ４４および４６が固定
されている。挿抜対象カード４９の一辺からなるコネク
タ部５１の中央部に信号用コネクタ４２が固定され、信
号用コネクタ４２の両側部に挿抜検出用コネクタ４１お
よび４３が固定されている。信号用コネクタ４２と４５
とが対応し、挿抜検出用コネクタ４１と４４とが対応
し、挿抜検出用コネクタ４３と４６とが対応して互いに
挿抜される。In FIG. 5, a signal connector 45 is fixed to a central portion of a connector portion 52 composed of a front end side of a main body board 50 mounted on the apparatus main body side.
5 are fixed to both sides of the insertion / removal detection connectors 44 and 46, respectively. A signal connector 42 is fixed to a central portion of a connector portion 51 having one side of the insertion / removal target card 49, and insertion / removal detection connectors 41 and 43 are fixed to both sides of the signal connector 42. Signal connectors 42 and 45
Correspond to the insertion / extraction detection connectors 41 and 44, and the insertion / extraction detection connectors 43 and 46 are inserted and removed from each other.

【０００５】信号用コネクタ４２および４５には、対応
して複数対のシグナルピン５５ａ、ｂが列設されてい
る。挿抜検出用コネクタ４１と４３とに対応して、また
挿抜検出用コネクタ４４と４６には対応してシグナルピ
ン５５ａ、ｂのほかにロングピン５３ａ、ｂおよびショ
ートピン５４ａ、ｂが対を成して列設されている。コネ
クタ部５１における信号用コネクタ４２および挿抜検出
用コネクタ４１および４３に設けられたシグナルピン５
５ａは全て同じ長さである。挿抜検出用コネクタ４１お
よび４３に設けられたロングピン５３ａはシグナルピン
５５ａより長く、ショートピン５４ａはシグナルピン５
５ａより短い。コネクタ部５２における信号用コネクタ
４５および挿抜検出用コネクタ４４、４６に設けられた
シグナルピン５５ｂ、ロングピン５３ｂおよびショート
ピン５４ｂは全て同じ長さである。[0005] A plurality of pairs of signal pins 55a and 55b are arranged in a row on the signal connectors 42 and 45, respectively. In addition to the signal pins 55a and b, long pins 53a and 53b and short pins 54a and 54b correspond to the insertion and removal detection connectors 41 and 43, and correspond to the insertion and removal detection connectors 44 and 46, respectively. It is lined up. Signal pins 5 provided on the signal connector 42 and the insertion / removal detection connectors 41 and 43 in the connector section 51
5a are all the same length. The long pins 53a provided on the insertion / removal detection connectors 41 and 43 are longer than the signal pins 55a, and the short pins 54a are connected to the signal pins 5a and 5b.
Shorter than 5a. The signal pin 45b, the long pin 53b and the short pin 54b provided on the signal connector 45 and the insertion / removal detection connectors 44 and 46 in the connector section 52 are all the same length.

【０００６】従って、信号用コネクタ４２を４５に、挿
抜検出用コネクタ４１および４３を４４および４６に挿
入してコネクタ部５１をコネクタ部５２に挿入するとき
は、コネクタ部５１がコネクタ部５２に対し少し傾いて
いても、いずれかの対のシグナルピン５５ａ、ｂが接触
する前に、必ずいずれかの対のロングピン５３ａ、ｂが
接触していることとなる。また、全ての対のシグナルピ
ン５５ａ、ｂが接触してからでないと、全ての対のショ
ートピン５４ａ、ｂが接触することはない。Therefore, when the signal connector 42 is inserted into the connector 45 and the insertion / removal detection connectors 41 and 43 are inserted into the connectors 44 and 46 and the connector 51 is inserted into the connector 52, the connector 51 is connected to the connector 52. Even if it is slightly tilted, any pair of long pins 53a, b must be in contact before any pair of signal pins 55a, b. Also, all the pairs of short pins 54a, b will not come into contact until all pairs of signal pins 55a, b have come into contact.

【０００７】また、信号用コネクタ４２を４５から、挿
抜検出用コネクタ４１および４３を４４および４６から
抜去してコネクタ部５１をコネクタ部５２から抜去する
ときは、コネクタ部５１がコネクタ部５２に対し少し傾
いていても、いずれかの対のシグナルピン５５ａ、ｂが
非接触となる前に必ずいずれかの対のショートピン５４
ａ、ｂが非接触となっていて、全ての対のシグナルピン
５５ａ、ｂが非接触となってからでないと、全ての対の
ロングピン５３ａ、ｂは非接触とならない。When the signal connector 42 is removed from the connector 45 and the insertion / removal detection connectors 41 and 43 are removed from the connectors 44 and 46 and the connector 51 is removed from the connector 52, the connector 51 is connected to the connector 52. Even if the signal pins 55a and b are slightly inclined, the pair of short pins 54
Unless a and b are in non-contact and all pairs of signal pins 55a and 55b are in non-contact, all pairs of long pins 53a and b are not in contact.

【０００８】挿抜検出用コネクタ４１および４３に設け
られたロングピン５３ａおよびショートピン５４ａは、
ともに接地されている。コネクタ部１１および１２の挿
抜時に、挿抜対象カード４９は、装置筐体に設けられた
接地されたガイド（図示略）に案内され、ロングピン５
３ａおよびショートピン５４ａは、このガイドを介して
接地される。挿抜検出用コネクタ４４および４６に設け
られたロングピン５３ｂをそれぞれプルアップ抵抗５６
および５８を介して電源ＶＤＤに接続するとともにアン
ドゲート６０に入力している。また、挿抜検出用コネク
タ４４および４６に設けられたショートピン５４ｂをそ
れぞれプルアップ抵抗５７および５９を介して電源ＶＤ
Ｄに接続するとともにオアゲート６１に入力している。The long pin 53a and the short pin 54a provided on the insertion / removal detection connectors 41 and 43
Both are grounded. When the connectors 11 and 12 are inserted and removed, the card 49 to be inserted and removed is guided by a grounded guide (not shown) provided on the device housing, and
The 3a and the short pin 54a are grounded via this guide. The long pins 53b provided on the insertion / removal detection connectors 44 and 46 are connected to pull-up resistors 56, respectively.
And 58 to the power supply VDD and to the AND gate 60. The short pins 54b provided on the insertion / removal detection connectors 44 and 46 are connected to the power supply VD via pull-up resistors 57 and 59, respectively.
D and input to OR gate 61.

【０００９】従って、コネクタ部５１および５２の挿入
時において、アンドゲート６０の出力である挿入開始抜
去終了信号６２がＨレベルからＬレベルに変化してから
オアゲート６１の出力である挿入終了抜去開始信号６３
がＨレベルからＬレベルに変化するまでにシグナルピン
５５ａ、ｂの非接触から接触への動作が行われるので、
この間だけシグナルピン５５ａ、ｂを介して伝えられる
活線挿抜対象の信号をマスクするか動作を止める等の処
理を行う。また、コネクタ部５１および５２の抜去時に
おいて、挿入終了抜去開始信号６３がＬレベルからＨレ
ベルに変化してから挿入開始抜去終了信号６２がＬレベ
ルからＨレベルに変化するまでにシグナルピン５５ａ、
ｂの接触から非接触への動作が行われるので、この間だ
けシグナルピン５５ａ、ｂを介して伝えられる活線挿抜
対象の信号をマスクするか動作を止める等の処理を行
う。Therefore, when the connectors 51 and 52 are inserted, the insertion start / removal end signal 62 output from the AND gate 60 changes from the H level to the L level before the insertion end / removal start signal output from the OR gate 61. 63
Since the signal pins 55a and 55b are operated from non-contact to contact until the signal changes from the H level to the L level,
Only during this time, processing such as masking or stopping the operation of the hot-swap signal transmitted via the signal pins 55a and 55b is performed. Also, when the connectors 51 and 52 are removed, the signal pins 55a and 55a are connected between the time when the insertion end and removal start signal 63 changes from the L level to the H level and the time when the insertion start and removal end signal 62 changes from the L level to the H level.
Since the operation from the contact of b to the non-contact is performed, processing such as masking or stopping the operation of the hot-swap signal transmitted through the signal pins 55a and 55b is performed only during this time.

【００１０】なお、信号用コネクタ４２、４５に設けら
れたシグナルピン５５ａ、ｂは、「信号用」および「シ
グナル」という呼称にかかわらず、信号用の配線に接続
されるものに限られず、電源用の配線に接続されるもの
等に限られず他のものを含んでもかまわない。The signal pins 55a and 55b provided on the signal connectors 42 and 45 are not limited to those connected to signal wiring regardless of the names of "signal" and "signal". It is not limited to those connected to the wiring for use, and other things may be included.

【００１１】[0011]

【発明が解決しようとする課題】上述の従来の活線挿抜
検出回路は、アンドゲートおよびオアゲートを必要と
し、必要な回路部品数が多くなるという欠点があった。The above-described conventional hot-swap detecting circuit requires an AND gate and an OR gate, and has a drawback that the number of necessary circuit components increases.

【００１２】[0012]

【課題を解決するための手段】本発明の活線挿抜検出回
路は、第１のコネクタ部（図１の１１）と、前記第１の
コネクタ部と接続するための第２のコネクタ部（図１の
１２）と、それぞれが前記第１のコネクタ部および前記
第２のコネクタ部に対応して設けられた複数対のシグナ
ルピン（図１の１５ａ、ｂ）と、それぞれが前記第１の
コネクタ部および前記第２のコネクタ部に対応して設け
られ前記シグナルピンのいずれかの対が接触していると
きは必ずいずれかが接触している複数対のロングピン
（図１の１３ａ、ｂ）と、それぞれが前記第１のコネク
タ部および前記第２のコネクタ部に対応して設けられ前
記シグナルピンのいずれかの対が非接触であれば必ずい
ずれかが非接触である複数対のショートピン（図１の１
４ａ、ｂ）と、前記第１のコネクタ部および前記第２の
コネクタ部とを互いに接続したときの前記複数対のロン
グピンを並列接続したものの一端に接続された第１の電
源と、前記第１のコネクタ部および前記第２のコネクタ
部とを互いに接続したときの前記複数対のロングピンを
並列接続したものの他端に接続され前記第１の電源の電
位を検出することにより前記複数対のロングピンのいず
れかの対が接触していることを検出する挿入開始抜去終
了検出部（図１の１６）と、前記第１のコネクタ部およ
び前記第２のコネクタ部とを互いに接続したときの前記
複数対のショートピンを直列接続したものの一端に接続
された第２の電源と、前記第１のコネクタ部および前記
第２のコネクタ部とを互いに接続したときの前記複数対
のショートピンを直列接続したものの他端に接続され前
記第２の電源の電位を検出することにより前記複数対の
ショートピンの全てが対ごとに接触していることを検出
する挿入終了抜去開始検出部（図１の１８）とを含むこ
とを特徴とする。According to the present invention, there is provided a hot-swap detecting circuit comprising a first connector (11 in FIG. 1) and a second connector (FIG. 1) for connecting to the first connector. 12), a plurality of pairs of signal pins (15a, b in FIG. 1) each provided corresponding to the first connector section and the second connector section, and each of the first connector sections. And a plurality of pairs of long pins (13a, b in FIG. 1) provided corresponding to the first connector section and the second connector section, and when any pair of the signal pins are in contact, , A plurality of pairs of short pins each of which is provided corresponding to the first connector section and the second connector section and which is always non-contact if any pair of the signal pins is non-contact. 1 in FIG.
4a, b), a first power supply connected to one end of the plurality of pairs of long pins connected in parallel when the first connector portion and the second connector portion are connected to each other, and The connector of the plurality of long pins is connected to the other end of the plurality of long pins connected in parallel when the connector and the second connector are connected to each other to detect the potential of the first power supply. The insertion start / removal end detection unit (16 in FIG. 1) for detecting that any pair is in contact with the plurality of pairs when the first connector unit and the second connector unit are connected to each other. A plurality of short pins when the second power supply connected to one end of the serially connected short pins and the first connector section and the second connector section are connected to each other. An insertion end / removal start detection unit (FIG. 1) that detects the potential of the second power supply connected to the other end of the column-connected ones, thereby detecting that all of the plurality of pairs of short pins are in contact with each other. 18).

【００１３】本発明の活線挿抜検出回路は、第１のコネ
クタ部（図１の１１）と、前記第１のコネクタ部と接続
するための第２のコネクタ部（図１の１２）と、それぞ
れが前記第１のコネクタ部および前記第２のコネクタ部
に対応して設けられた複数対のシグナルピン（図１の１
５ａ、ｂ）と、それぞれが前記第１のコネクタ部および
前記第２のコネクタ部に対応して設けられ前記シグナル
ピンのいずれかの対が接触しているときは必ずいずれか
が接触している複数対のロングピン（図１の１３ａ、
ｂ）と、それぞれが前記第１のコネクタ部および前記第
２のコネクタ部に対応して設けられ前記シグナルピンの
いずれかの対が非接触であれば必ずいずれかが非接触で
ある複数対のショートピン（図１の１４ａ、ｂ）と、前
記第１のコネクタ部および前記第２のコネクタ部とを互
いに接続したときの前記複数対のロングピンを並列接続
したものの一端に接続された接地部と、前記第１のコネ
クタ部および前記第２のコネクタ部とを互いに接続した
ときの前記複数対のロングピンを並列接続したものの他
端に接続されかつ第１の抵抗を介して第３の電源（図１
のＶＤＤ）に接続された挿入開始抜去終了検出部（図１
の１６）と、前記第１のコネクタ部および前記第２のコ
ネクタ部とを互いに接続したときの前記複数対のショー
トピンを直列接続したものの一端に接続された接地部
と、前記第１のコネクタ部および前記第２のコネクタ部
とを互いに接続したときの前記複数対のショートピンを
直列接続したものの他端に接続されかつ第２の抵抗を介
して第４の電源（図１のＶＤＤ）に接続された挿入終了
抜去開始検出部（図１の１８）とを含むことを特徴とす
る。[0013] The hot-swap detecting circuit of the present invention comprises a first connector (11 in FIG. 1), a second connector (12 in FIG. 1) for connecting to the first connector, and A plurality of pairs of signal pins (1 in FIG. 1) provided corresponding to the first connector section and the second connector section, respectively.
5a, b), respectively, are provided corresponding to the first connector portion and the second connector portion, and when any pair of the signal pins are in contact, any one of them is always in contact. A plurality of pairs of long pins (13a in FIG. 1,
b) and a plurality of pairs each of which is provided corresponding to the first connector portion and the second connector portion, and if any pair of the signal pins is non-contact, any one of them is always non-contact. A short pin (14a, b in FIG. 1); and a grounding part connected to one end of the plurality of pairs of long pins connected in parallel when the first connector part and the second connector part are connected to each other. A third power supply connected to the other end of the parallel connection of the plurality of pairs of long pins when the first connector portion and the second connector portion are connected to each other and via a first resistor (FIG. 1
1 is connected to the insertion start / removal end detection unit (FIG. 1).
16), a grounding portion connected to one end of a serial connection of the plurality of pairs of short pins when the first connector portion and the second connector portion are connected to each other, and the first connector And a second power supply (VDD in FIG. 1) connected to the other end of the plurality of short pins connected in series when the first connector and the second connector are connected to each other and connected via a second resistor. And a connected end-of-insertion / extraction start detection unit (18 in FIG. 1).

【００１４】本発明の活線挿抜検出回路は、第１のコネ
クタ部（図１の１１）と、前記第１のコネクタ部と接続
するための第２のコネクタ部（図１の１２）と、それぞ
れが前記第１のコネクタ部および前記第２のコネクタ部
に対応して設けられた複数対のシグナルピン（図１の１
５ａ、ｂ）と、それぞれが前記第１のコネクタ部および
前記第２のコネクタ部の両端部に１対ずつ対応して設け
られ前記シグナルピンのいずれかの対が接触していると
きは必ずいずれかが接触している２対のロングピン（図
１の１３ａ、ｂ）と、それぞれが前記第１のコネクタ部
および前記第２のコネクタ部の両端部に１対ずつ対応し
て設けられ前記シグナルピンのいずれかの対が非接触で
あれば必ずいずれかが非接触である２対のショートピン
（図１の１４ａ、ｂ）と、前記第１のコネクタ部および
前記第２のコネクタ部とを互いに接続したときの前記２
対のロングピンを並列接続したものの一端に接続された
第１の電源と、前記第１のコネクタ部および前記第２の
コネクタ部とを互いに接続したときの前記２対のロング
ピンを並列接続したものの他端に接続され前記第１の電
源の電位を検出することにより前記２対のロングピンの
いずれかの対が接触していることを検出する挿入開始抜
去終了検出部（図１の１６）と、前記第１のコネクタ部
および前記第２のコネクタ部とを互いに接続したときの
前記２対のショートピンを直列接続したものの一端に接
続された第２の電源と、前記第１のコネクタ部および前
記第２のコネクタ部とを互いに接続したときの前記２対
のショートピンを直列接続したものの他端に接続され前
記第２の電源の電位を検出することにより前記２対のシ
ョートピンの全てが対ごとに接触していることを検出す
る挿入終了抜去開始検出部（図１の１８）とを含むこと
を特徴とする。[0014] The hot-swap detecting circuit of the present invention comprises a first connector section (11 in FIG. 1), a second connector section (12 in FIG. 1) for connecting to the first connector section, A plurality of pairs of signal pins (1 in FIG. 1) provided corresponding to the first connector section and the second connector section, respectively.
5a, b) and one pair of the signal pins are provided at both ends of the first connector portion and the second connector portion, respectively. Two pairs of long pins (13a and 13b in FIG. 1) that are in contact with each other, and one pair of the long pins (13a and b in FIG. 1) provided at both ends of the first connector section and the second connector section, respectively. If one of the pairs is in non-contact, two pairs of short pins (14a, b in FIG. 1), which are always in non-contact, and the first connector portion and the second connector portion are connected to each other. Said 2 when connected
A first power supply connected to one end of a pair of long pins connected in parallel, and the two pairs of long pins connected in parallel when the first connector section and the second connector section are connected to each other; An insertion start / removal end detection unit (16 in FIG. 1) that is connected to an end and detects that any one of the two long pins is in contact by detecting the potential of the first power supply; A second power supply connected to one end of a serial connection of the two pairs of short pins when the first connector section and the second connector section are connected to each other, and the first connector section and the second connector. All of the two pairs of short pins are connected to the other end of the two pairs of short pins when the two connector sections are connected to each other, and are connected to the other end to detect the potential of the second power supply. Characterized in that it comprises an insertion completion removal start detecting unit for detecting that are in contact with each pair (18 in FIG. 1).

【００１５】本発明の活線挿抜検出回路は、第１のシグ
ナルピン（図１の１５ａ）を有する第１の信号用コネク
タ（図１の２）の両側に第１のロングピン（図１の１３
ａ）および第１のショートピン（図１の１４ａ）を有す
る第１の挿抜検出用コネクタ（図１の１、３）を設けた
第１のコネクタ部（図１の１１）と、前記第１のシグナ
ルピンに接続するための第２のシグナルピン（図１の１
５ｂ）を対応して有する第２の信号用コネクタ（図１の
５）の両側に前記第１ロングピンと接続するための第２
のロングピン（図１の１３ｂ）および前記第１のショー
トピンと接続するための第２のショートピン（図１の１
４ｂ）を対応して有する第２の挿抜検出用コネクタ（図
１の４、６）を設けた第２のコネクタ部（図１の１２）
とを含み、前記第１および第２のコネクタ部を挿抜する
際に前記第１および第２のシグナルピンのいずれかの対
が接触していれば前記第１および第２のロングピンのい
ずれかの対が必ず接触していて前記第１および第２のシ
グナルピンのいずれかの対が非接触であれば前記第１お
よび第２のショートピンのいずれかの対が必ず非接触で
あり、さらに、前記第１のコネクタ部および前記第２の
コネクタ部とを互いに接続したときの前記第１および第
２の信号用コネクタの両側に設けた前記第１および第２
の挿抜検出用コネクタが有する接触状態の前記第１およ
び第２のロングピンを並列接続したものの一端に接続さ
れた第１の電源と、前記第１および第２の信号用コネク
タの両側に設けた前記第１および第２の挿抜検出用コネ
クタが有する接触状態の前記第１および第２のロングピ
ンを並列接続したものの他端に接続され前記第１の電源
の電位を検出することにより前記第１および第２のロン
グピンのいずれかの対が接触していることを検出する挿
入開始抜去終了検出部（図１の１６）と、前記第１およ
び第２の信号用コネクタの両側に設けた前記第１および
第２の挿抜検出用コネクタが有する接触状態の前記第１
および第２のショートピンを直列接続したものの一端に
接続された第２の電源と、前記第１および第２の信号用
コネクタの両側に設けた前記第１および第２の挿抜検出
用コネクタが有する接触状態の前記第１および第２のシ
ョートピンを直列接続したものの他端に接続され前記第
２の電源の電位を検出することにより前記第１および第
２のショートピンの全てが対ごとに接触していることを
検出する挿入終了抜去開始検出部（図１の１８）とを含
むことを特徴とする。The hot-swap detecting circuit of the present invention comprises a first long pin (13 in FIG. 1) on both sides of a first signal connector (2 in FIG. 1) having a first signal pin (15a in FIG. 1).
a) and a first connector portion (11 in FIG. 1) provided with a first insertion / removal detection connector (1, 3 in FIG. 1) having a first short pin (14a in FIG. 1); A second signal pin (1 in FIG. 1) for connecting to the signal pin
5b) for connecting to the first long pin on both sides of a second signal connector (5 in FIG. 1) having a corresponding 5b).
1 of FIG. 1 and a second short pin (1 of FIG. 1) for connecting to the first short pin.
The second connector portion (12 in FIG. 1) provided with the second insertion / extraction detection connectors (4 and 6 in FIG. 1) having the corresponding 4b).
If any pair of the first and second signal pins are in contact when inserting and removing the first and second connector portions, any one of the first and second long pins If the pair is always in contact and any pair of the first and second signal pins is not in contact, then any pair of the first and second short pins is always in non-contact, The first and second connectors provided on both sides of the first and second signal connectors when the first connector and the second connector are connected to each other.
A first power supply connected to one end of the connection of the first and second long pins in a contact state of the insertion / removal detection connector, and a first power supply connected to one end of the first and second signal connectors. The first and second long pins in the contact state of the first and second insertion / removal detection connectors are connected to the other end of the parallel connection of the first and second long pins, and the first and second long pins are detected by detecting the potential of the first power supply. And an insertion start / removal end detection unit (16 in FIG. 1) for detecting that any pair of long pins are in contact with each other, and the first and second signal connectors provided on both sides of the first and second signal connectors. The first connection state of the second insertion / removal detection connector
And a second power supply connected to one end of a serially connected second short pin, and the first and second insertion / removal detection connectors provided on both sides of the first and second signal connectors. By detecting the potential of the second power supply connected to the other end of the serially connected first and second short pins in a contact state, all of the first and second short pins are contacted in pairs. And an insertion end / removal start detection unit (18 in FIG. 1) for detecting that the operation has been performed.

【００１６】本発明の活線挿抜検出回路は、第１のシグ
ナルピン（図２の３５ａ）、第１のロングピン（図２の
３６ａ）および第１のショートピン（図２の３７ａ）を
有する第１のコネクタ（図２の２１〜２４）を複数個並
設した第１のコネクタ部（図２の３３）と、前記第１の
シグナルピンに接続するための第２のシグナルピン（図
２の３７ｂ）、前記第１のロングピンに接続するための
第２のロングピン（図２の３５ｂ）および前記第１のシ
ョートピンに接続するための第２のショートピン（図２
の３６ｂ）を有する第２のコネクタ（図２の２５〜２
８）を前記第１のコネクタに対応して複数個並設した第
２のコネクタ部（図２の３４）とを含み、前記第１およ
び第２のコネクタ部を挿抜する際に前記第１および第２
のシグナルピンのいずれかの対が接触していれば前記第
１および第２のロングピンのいずれかの対が必ず接触し
ていて、前記第１および第２のシグナルピンのいずれか
の対が非接触であれば前記第１および第２のショートピ
ンのいずれかの対が必ず非接触であり、さらに、前記第
１のコネクタ部および前記第２のコネクタ部とを互いに
接続したときの複数個の前記第１および第２のコネクタ
の接触状態の前記第１および第２のロングピンを並列接
続したものの一端に接続された第１の電源と、複数個の
前記第１および第２のコネクタの接触状態の前記第１お
よび第２のロングピンを並列接続したものの他端に接続
され前記第１の電源の電位を検出することにより前記第
１および第２のロングピンのいずれかの対が接触してい
ることを検出する挿入開始抜去終了検出部（図２の３
８）と、複数個の前記第１および第２のコネクタの接触
状態の前記第１および第２のショートピンを直列接続し
たものの一端に接続された第２の電源と、複数個の前記
第１および第２のコネクタの接触状態の前記第１および
第２のショートピンを直列接続したものの他端に接続さ
れ前記第２の電源の電位を検出することにより前記第１
および第２のショートピンの全てが対ごとに接触してい
ることを検出する挿入終了抜去開始検出部（図２の３
０）とを含むことを特徴とする。The hot-swap detecting circuit of the present invention has a first signal pin (35a in FIG. 2), a first long pin (36a in FIG. 2) and a first short pin (37a in FIG. 2). A first connector section (33 in FIG. 2) in which a plurality of one connectors (21 to 24 in FIG. 2) are arranged in parallel, and a second signal pin (FIG. 2 in FIG. 2) for connecting to the first signal pin. 37b), a second long pin (35b in FIG. 2) for connecting to the first long pin, and a second short pin (FIG. 2) for connecting to the first short pin.
36b) (25-2 in FIG. 2).
8) corresponding to the first connector and a plurality of second connector portions (34 in FIG. 2) arranged side by side. When the first and second connector portions are inserted and removed, the first and second connector portions are inserted. Second
If any pair of the signal pins is in contact, any pair of the first and second long pins is always in contact, and any pair of the first and second signal pins is non-contact. In the case of contact, any pair of the first and second short pins is always non-contact, and furthermore, a plurality of pairs when the first connector portion and the second connector portion are connected to each other. A first power supply connected to one end of a parallel connection of the first and second long pins in a contact state of the first and second connectors, and a contact state of a plurality of the first and second connectors; Any one pair of the first and second long pins is connected by detecting the potential of the first power supply and being connected to the other end of the first and second long pins connected in parallel. Detect Input start removal end detection unit (3 in Figure 2
8) a second power supply connected to one end of a serial connection of the first and second short pins in a contact state of the plurality of first and second connectors; And detecting the potential of the second power supply connected to the other end of the serial connection of the first and second short pins in contact with the second connector.
And an insertion end removal start detection unit (3 in FIG. 2) for detecting that all of the second short pins are in contact with each other.
0).

【００１７】本発明の活線挿抜検出回路は、第１のコネ
クタ部（図１の１１）と、前記第１のコネクタ部と接続
するための第２のコネクタ部（図１の１２）と、それぞ
れが前記第１のコネクタ部および前記第２のコネクタ部
に対応して設けられた複数対のシグナルピン（図１の１
５ａ、ｂ）と、それぞれが前記第１のコネクタ部および
前記第２のコネクタ部に対応して設けられ前記シグナル
ピンのいずれかの対が接触しているときは必ずいずれか
が接触している複数対のロングピン（図１の１３ａ、
ｂ）と、それぞれが前記第１のコネクタ部および前記第
２のコネクタ部に対応して設けられ前記シグナルピンの
いずれかの対が非接触であれば必ずいずれかが非接触で
ある複数対のショートピン（図１の１４ａ、ｂ）と、前
記第１のコネクタ部および前記第２のコネクタ部とを互
いに接続したときの前記複数対のロングピンを並列接続
したものの一端に接続された第１の電源と、前記第１の
コネクタ部および前記第２のコネクタ部とを互いに接続
したときの前記複数対のロングピンを並列接続したもの
の他端に接続され前記第１の電源の電位を検出すること
により前記複数対のロングピンのいずれかの対が接触し
ていることを検出する挿入開始抜去終了検出部（図１の
１６）と、前記第１のコネクタ部および前記第２のコネ
クタ部とを互いに接続したときの前記複数対のショート
ピンを直列接続したものの一端に接続された第２の電源
と、前記第１のコネクタ部および前記第２のコネクタ部
とを互いに接続したときの前記複数対のショートピンを
直列接続したものの他端に接続され前記第２の電源の電
位を検出することにより前記複数対のショートピンの全
てが対ごとに接触していることを検出する挿入終了抜去
開始検出部（図１の１８）と、前記挿入開始検出部が前
記複数対のロングピンのいずれかの対が接触しているこ
とを検出していて前記複数対のショートピンの全てが対
ごとに接触したことを検出していないときは前記複数対
のシグナルピンの少なくとも一部を介して伝えられるべ
き信号が前期第１または第２のコネクタ部に接続してい
る回路の動作に影響しないようにする不活性化部とを含
むことを特徴とする。A live-line insertion / removal detection circuit according to the present invention comprises a first connector section (11 in FIG. 1), a second connector section (12 in FIG. 1) for connecting to the first connector section, A plurality of pairs of signal pins (1 in FIG. 1) provided corresponding to the first connector section and the second connector section, respectively.
5a, b), respectively, are provided corresponding to the first connector portion and the second connector portion, and when any pair of the signal pins are in contact, any one of them is always in contact. A plurality of pairs of long pins (13a in FIG. 1,
b) and a plurality of pairs each of which is provided corresponding to the first connector portion and the second connector portion, and if any pair of the signal pins is non-contact, any one of them is always non-contact. A first pin connected to one end of a short pin (14a, b in FIG. 1) connected to one end of the plurality of pairs of long pins when the first connector section and the second connector section are connected to each other. By detecting the potential of the first power supply, which is connected to the other end of the power supply and the plurality of pairs of long pins connected in parallel when the first connector section and the second connector section are connected to each other. The insertion start / removal end detection unit (16 in FIG. 1) for detecting that any pair of the plurality of long pins are in contact with each other, and the first connector unit and the second connector unit are mutually connected. The second power supply connected to one end of the plurality of short pins connected in series when connected, and the plurality of short pins when the plurality of short pins are connected to each other when the first connector portion and the second connector portion are connected to each other. An insertion end / removal start detection unit which is connected to the other end of the short pins connected in series and detects that all of the plurality of pairs of short pins are in contact with each other by detecting the potential of the second power supply. (18 in FIG. 1), and that the insertion start detection unit has detected that any one of the plurality of long pins is in contact, and that all of the plurality of short pins are in contact with each other. Is not detected, the signal to be transmitted through at least a part of the plurality of pairs of signal pins does not affect the operation of the circuit connected to the first or second connector section. Characterized in that it comprises a deactivation section.

【００１８】本発明の活線挿抜検出方法は、第１のコネ
クタ部（図１の１１）と、前記第１のコネクタ部と接続
するための第２のコネクタ部（図１の１２）と、それぞ
れが前記第１のコネクタ部および前記第２のコネクタ部
に対応して設けられた複数対のシグナルピン（図１の１
５ａ、ｂ）と、それぞれが前記第１のコネクタ部および
前記第２のコネクタ部に対応して設けられ前記シグナル
ピンのいずれかの対が接触しているときは必ずいずれか
が接触している複数対のロングピン（図１の１３ａ、
ｂ）と、それぞれが前記第１のコネクタ部および前記第
２のコネクタ部に対応して設けられ前記シグナルピンの
いずれかの対が非接触であれば必ずいずれかが非接触で
ある複数対のショートピン（図１の１４ａ、ｂ）と、前
記第１のコネクタ部および前記第２のコネクタ部とを互
いに接続したときの前記複数対のロングピンを並列接続
したものの一端に接続された第１の電源と、前記第１の
コネクタ部および前記第２のコネクタ部とを互いに接続
したときの前記複数対のロングピンを並列接続したもの
の他端に接続され前記第１の電源の電位を検出すること
により前記複数対のロングピンのいずれかの対が接触し
ていることを検出する挿入開始抜去終了検出部（図１の
１６）と、前記第１のコネクタ部および前記第２のコネ
クタ部とを互いに接続したときの前記複数対のショート
ピンを直列接続したものの一端に接続された第２の電源
と、前記第１のコネクタ部および前記第２のコネクタ部
とを互いに接続したときの前記複数対のショートピンを
直列接続したものの他端に接続され前記第２の電源の電
位を検出することにより前記複数対のショートピンの全
てが対ごとに接触していることを検出する挿入終了抜去
開始検出部（図１の１８）とを備えた活線挿抜検出回路
を用い、前期第１のコネクタおよび前期第２のコネクタ
を接続させる際の前期挿入開始検出部が前期複数のロン
グピンのいずれかの対が接触したことを検出してから前
期挿入終了検出部が前期複数のショートピンの全てが対
ごとに接触したことを検出するまでの間および前期第１
のコネクタおよび前期第２のコネクタを切り離す際の前
期挿入終了検出部が前期複数のショートピンのいずれか
の対が非接触になったたことを検出してから前期挿入開
始検出部が前期複数のロングピンの全てが非接触になっ
たことを検出するまでの間は、前記複数対のシグナルピ
ンの少なくとも一部を介して伝えられるべき信号が前期
第１または第２のコネクタ部に接続している回路の動作
に影響しないようにすることを特徴とする。According to the hot-swap detecting method of the present invention, a first connector (11 in FIG. 1), a second connector (12 in FIG. 1) for connecting to the first connector, A plurality of pairs of signal pins (1 in FIG. 1) provided corresponding to the first connector section and the second connector section, respectively.
5a, b), respectively, are provided corresponding to the first connector portion and the second connector portion, and when any pair of the signal pins are in contact, any one of them is always in contact. A plurality of pairs of long pins (13a in FIG. 1,
b) and a plurality of pairs each of which is provided corresponding to the first connector portion and the second connector portion, and if any pair of the signal pins is non-contact, any one of them is always non-contact. A first pin connected to one end of a short pin (14a, b in FIG. 1) connected to one end of the plurality of pairs of long pins when the first connector section and the second connector section are connected to each other. By detecting the potential of the first power supply, which is connected to the other end of the power supply and the plurality of pairs of long pins connected in parallel when the first connector section and the second connector section are connected to each other. The insertion start / removal end detection unit (16 in FIG. 1) for detecting that any pair of the plurality of long pins are in contact with each other, and the first connector unit and the second connector unit are mutually connected. The second power supply connected to one end of the plurality of short pins connected in series when connected, and the plurality of short pins when the plurality of short pins are connected to each other when the first connector portion and the second connector portion are connected to each other. An insertion end / removal start detection unit which is connected to the other end of the short pins connected in series and detects that all of the plurality of pairs of short pins are in contact with each other by detecting the potential of the second power supply. (18 in FIG. 1), the first insertion start detecting unit for connecting the first connector and the second connector is used to detect any pair of the long pins. The period from when the contact is detected to when the first insertion end detecting unit detects that all of the plurality of short pins have come into contact with each other in pairs and in the first period.
When the first insertion end detecting unit detects that any pair of the plurality of short pins has become out of contact with each other when disconnecting the first connector and the second connector, the first insertion start detecting unit detects Until it is detected that all of the long pins have come out of contact, signals to be transmitted via at least some of the plurality of pairs of signal pins are connected to the first or second connector section. It is characterized in that it does not affect the operation of the circuit.

【００１９】[0019]

【発明の実施の形態】次に、本発明の実施の形態につい
て図面を参照して詳細に説明する。Next, embodiments of the present invention will be described in detail with reference to the drawings.

【００２０】図１は、本発明の実施の形態の活線挿抜検
出回路の回路図を含む正面図である。本実施の形態の活
線挿抜検出回路でのコネクタ、シグナルピン等の構成
は、図５に示したものと同じである。FIG. 1 is a front view including a circuit diagram of a hot-swap detecting circuit according to an embodiment of the present invention. The configuration of the connectors, signal pins, and the like in the hot-swap detection circuit of the present embodiment is the same as that shown in FIG.

【００２１】すなわち、図１において、装置本体側に実
装される本体ボード１０の先端の辺からなるコネクタ部
１２の中央部に信号用コネクタ５が固定され、信号用コ
ネクタ５の両側部に挿抜検出用コネクタ４および６が固
定されている。挿抜対象カード９の一辺からなるコネク
タ部１１の中央部に信号用コネクタ２が固定され、信号
用コネクタ２の両側部に挿抜検出用コネクタ１および３
が固定されている。信号用コネクタ２と５とが対応し、
挿抜検出用コネクタ１と４とが対応し、挿抜検出用コネ
クタ３と６とが対応して互いに挿抜される。That is, in FIG. 1, the signal connector 5 is fixed to the center of the connector portion 12 formed by the side of the front end of the main body board 10 mounted on the apparatus main body side. Connectors 4 and 6 are fixed. The signal connector 2 is fixed to the center of the connector portion 11 formed of one side of the card 9 to be inserted and removed, and the insertion and removal detection connectors 1 and 3 are provided on both sides of the signal connector 2.
Has been fixed. The signal connectors 2 and 5 correspond,
The insertion / removal detection connectors 1 and 4 correspond to each other, and the insertion / removal detection connectors 3 and 6 correspond to each other and are inserted / removed.

【００２２】信号用コネクタ２および５には、対応して
複数対のシグナルピン１５ａ、ｂが列設されている。挿
抜検出用コネクタ１と４とに対応して、また挿抜検出用
コネクタ３と６には対応してシグナルピン１５ａ、ｂ
（図には挿抜検出用コネクタ１と４との組に１対のシグ
ナルピン１３ａ、ｂを設け、挿抜検出用コネクタ３と６
との組に１対のシグナルピン１３ａ、ｂを設けたものを
示しているが、それぞれの挿抜検出用コネクタの組に複
数対のシグナルピン１３ａ、ｂを設けるようにすること
もできる。）のほかにロングピン１３ａ、ｂおよびショ
ートピン１４ａ、ｂが対を成して列設されている。コネ
クタ部１１における信号用コネクタ２および挿抜検出用
コネクタ１および３に設けられたシグナルピン１５ａは
全て同じ長さである。挿抜検出用コネクタ１および３に
設けられたロングピン１３ａはシグナルピン１５ａより
長く、ショートピン１４ａはシグナルピン１５ａより短
い。コネクタ部１２における信号用コネクタ５および挿
抜検出用コネクタ４、６に設けられたシグナルピン１５
ｂ、ロングピン１３ｂおよびショートピン１４ｂは全て
同じ長さである。The signal connectors 2 and 5 are provided with a plurality of pairs of signal pins 15a and 15b. The signal pins 15a and 15b correspond to the connectors 1 and 4, respectively, and correspond to the connectors 3 and 6.
(In the figure, a pair of signal pins 13a and 13b is provided in a set of the connectors 1 and 4 for insertion / removal detection.
Although a pair of the signal pins 13a and 13b is provided in the pair, the plural pairs of the signal pins 13a and 13b may be provided in each pair of the insertion / removal detection connectors. ), Long pins 13a and 13b and short pins 14a and 14b are arranged in pairs. The signal pins 15a provided on the signal connector 2 and the insertion / removal detection connectors 1 and 3 in the connector section 11 are all the same length. The long pins 13a provided on the insertion / removal detection connectors 1 and 3 are longer than the signal pins 15a, and the short pins 14a are shorter than the signal pins 15a. Signal pins 15 provided on the signal connector 5 and the insertion / removal detection connectors 4 and 6 in the connector section 12
b, the long pin 13b and the short pin 14b are all the same length.

【００２３】信号用コネクタ２を５に、挿抜検出用コネ
クタ１および３を４および６に挿入してコネクタ部１１
をコネクタ部１２に挿入するときは、コネクタ部１１が
コネクタ部１２に対し少し傾いていても、いずれかの対
のシグナルピン１５ａ、ｂが接触する前に、必ずいずれ
かの対のロングピン１３ａ、ｂが接触していることとな
る。また、全ての対のシグナルピン１５ａ、ｂが接触し
てからでないと、全ての対のショートピン１４ａ、ｂが
接触することはない。The signal connector 2 is inserted into the connector 5, and the insertion / removal detection connectors 1 and 3 are inserted into the connectors 4 and 6.
Is inserted into the connector section 12, even if the connector section 11 is slightly inclined with respect to the connector section 12, any one of the pair of long pins 13 a, b is in contact. Unless all pairs of signal pins 15a, 15b are in contact, all pairs of short pins 14a, 14b will not contact.

【００２４】また、信号用コネクタ２を５から、挿抜検
出用コネクタ１および３を４および６から抜去してコネ
クタ部１１をコネクタ部１２から抜去するときは、コネ
クタ部１１がコネクタ部１２に対し少し傾いていても、
いずれかの対のシグナルピン１５ａ、ｂが非接触となる
前に必ずいずれかの対のショートピン１４ａ、ｂが非接
触となっていて、全ての対のシグナルピン１５ａ、ｂが
非接触となってからでないと、全ての対のロングピン１
３ａ、ｂは非接触とならない。When the signal connector 2 is removed from the connector 5 and the insertion / removal detection connectors 1 and 3 are removed from the connectors 4 and 6, and the connector 11 is removed from the connector 12, the connector 11 is connected to the connector 12. Even if you lean a little,
Before any pair of signal pins 15a and 15b come into non-contact, one pair of short pins 14a and 14b is always in non-contact, and all pairs of signal pins 15a and 15b are in non-contact. Otherwise, all pairs of long pins 1
3a and b do not become non-contact.

【００２５】挿抜検出用コネクタ１および３のロングピ
ン１３ａは、ともに接地され、挿抜検出用コネクタ１お
よび３のショートピン１４ａは互いに配線で接続されて
いる。挿抜検出用コネクタ４および６のロングピン１３
ｂがともに接続された挿入開始抜去終了検出部１６は、
プルアップ抵抗７を介して電源ＶＤＤに接続されてい
る。挿抜検出用コネクタ４のショートピン１４ｂは接地
され、挿抜検出用コネクタ６のショートピン１４ｂが接
続された挿入終了抜去開始検出部１８は、プルアップ抵
抗８を介して電源ＶＤＤに接続されている。The long pins 13a of the connectors 1 and 3 are grounded, and the short pins 14a of the connectors 1 and 3 are connected to each other by wiring. Long pins 13 of insertion / removal detection connectors 4 and 6
b is connected to the insertion start / removal end detection unit 16,
It is connected to the power supply VDD via the pull-up resistor 7. The short pin 14b of the insertion / removal detection connector 4 is grounded, and the insertion end / removal start detection unit 18 to which the short pin 14b of the insertion / removal detection connector 6 is connected is connected to the power supply VDD via the pull-up resistor 8.

【００２６】従って、コネクタ部１１および１２を接続
した状態では、挿抜検出用コネクタ１、４の接続状態の
ロングピン１３ａ、ｂと挿抜検出用コネクタ３、６の接
続状態のロングピン１３ａ、ｂとが地気と電源ＶＤＤと
の間に並列に接続されることとなり、挿抜検出用コネク
タ１、４の接続状態のショートピン１４ａ、ｂと挿抜検
出用コネクタ３、６の接続状態のショートピン１４ａ、
ｂとが地気と電源ＶＤＤとの間に直列に接続されること
となる。Therefore, in the state where the connector portions 11 and 12 are connected, the long pins 13a and 13b in the connection state of the connectors 1 and 4 for insertion and removal and the long pins 13a and 13b in the connection state of the connectors 3 and 6 for insertion and removal are grounded. Are connected in parallel between the power supply and the power supply VDD, and the short pins 14a and 14b in the connection state of the insertion / removal detection connectors 1, 4 and the short pins 14a in the connection state of the insertion / removal detection connectors 3, 6 are connected.
b is connected in series between the ground and the power supply VDD.

【００２７】次に、本実施の形態の活線挿抜検出回路の
動作について説明する。Next, the operation of the hot-swap detecting circuit of this embodiment will be described.

【００２８】図３は、挿抜対象カード９のコネクタ部１
１を本体ボード１０のコネクタ部１２に挿入するときの
コネクタのピンの接続状態ならびに挿入開始抜去終了検
出部１６および挿入終了抜去開始検出部１８の信号の状
態を示す図で、コネクタ部１１がコネクタ部１２に対
し、挿入時に挿抜検出用コネクタ１、４の側が挿抜検出
用コネクタ３、６の側より狭く傾いている場合を例とし
て示してある。FIG. 3 shows the connector section 1 of the card 9 to be inserted and removed.
FIG. 3 is a diagram showing a connection state of the pins of the connector when the connector 1 is inserted into the connector section 12 of the main body board 10, and a signal state of the insertion start / removal end detection section 16 and the insertion end / removal start detection section 18; An example is shown in which the insertion / removal detection connectors 1 and 4 are more narrowly inclined than the insertion / removal detection connectors 3 and 6 with respect to the portion 12 during insertion.

【００２９】図３において、コネクタ部１１、１２の挿
入前は、全てのピンが非接触状態で、挿入開始抜去終了
検出部１６および挿入終了抜去開始検出部１８の信号
は、Ｈレベル（電源ＶＤＤの電位）である。コネクタ部
１１、１２の挿入開始後まずは、挿抜検出用コネクタ
１、４のロングピン１３ａ、ｂが接触する。このロング
ピンの接触により挿入開始抜去終了検出部１６の信号は
Ｌレベル（接地電位）となる。この挿入開始抜去終了検
出部１６の信号のＬレベルへの変化でコネクタ部１１、
１２の挿入開始を検出できる。In FIG. 3, before the connectors 11 and 12 are inserted, all the pins are in a non-contact state, and the signals of the insertion start / removal end detector 16 and the insertion end / removal start detector 18 are at H level (power supply VDD). Potential). After the start of the insertion of the connector portions 11 and 12, first, the long pins 13a and 13b of the insertion and removal detection connectors 1 and 4 come into contact with each other. Due to the contact of the long pin, the signal of the insertion start / removal end detection unit 16 becomes L level (ground potential). When the signal of the insertion start / removal end detection unit 16 changes to the L level, the connector unit 11,
12 can be detected.

【００３０】続いて挿抜検出用コネクタ３、６のロング
ピン１３ａ、ｂが接触し、さらに続いてシグナルピン１
５ａ、ｂが次々に接触し、全てのシグナルピン１５ａ、
ｂが接触し終わった後に挿抜検出用コネクタ１、４のシ
ョートピン１４ａ、ｂが接触し、最後に挿抜検出用コネ
クタ３、６のショートピン１４ａ、ｂが接触する。この
最後のショートピン１４ａ、ｂの接触により挿入終了抜
去開始検出部１８の信号は、Ｌレベルとなる。この挿入
終了抜去開始検出部１８の信号のＬレベルへの変化でコ
ネクタ部１１、１２の挿入終了を検出できる。Subsequently, the long pins 13a and 13b of the insertion / removal detection connectors 3 and 6 come into contact with each other, and subsequently the signal pin 1
5a, b come into contact one after another, and all the signal pins 15a,
After the contact of b has been completed, the short pins 14a, 14b of the connectors 1, 4 for insertion and removal detection come into contact, and finally the short pins 14a, 14b of the connectors 3, 6 for insertion and removal detection come into contact. Due to the contact of the last short pins 14a and 14b, the signal of the insertion end / removal start detecting unit 18 becomes L level. The end of insertion of the connector units 11 and 12 can be detected by the change of the signal of the insertion end / extraction start detection unit 18 to the L level.

【００３１】挿入開始抜去終了検出部１６の信号のＬレ
ベルへの変化時から挿入終了抜去開始検出部１８の信号
のＬレベルへの変化時まで、本体ボード１０側に設けた
不活性化部（図示略）により、活線挿抜対象のシグナル
ピン１５ａ、ｂを通る信号をマスクするか、もしくは動
作のを止める等の処理を行うことにより、コネクタ部１
１および１２の挿入動作中にシグナルピン１５ａ、ｂを
通る信号が挿抜対象カード９および本体ボード１０に影
響を与えないようにでき、挿抜対象カード９および本体
ボード１０等に設けられた回路の誤動作を防止できる。An inactivation unit (provided on the main board 10) from the time when the signal of the insertion start / removal end detection unit 16 changes to L level to the time when the signal of the insertion end / removal start detection unit 18 changes to L level. (Not shown), the signal passing through the signal pins 15a and 15b to be hot-swapped is masked or the operation is stopped.
Signals passing through the signal pins 15a and 15b during the insertion operation of 1 and 12 can be prevented from affecting the card 9 to be inserted and removed and the main body board 10, and malfunctions of circuits provided on the card 9 and the main body board 10 and the like can be prevented. Can be prevented.

【００３２】図４は、挿抜対象カード９のコネクタ部１
１を本体ボード１０のコネクタ部１２から抜去するとき
のコネクタのピンの接続状態ならびに挿入開始抜去終了
検出部１６および挿入終了抜去開始検出部１８の信号の
状態を示す図で、図３の場合と同様にコネクタ部１１が
コネクタ部１２に対し、抜去時に挿抜検出用コネクタ
１、４の側が挿抜検出用コネクタ３、６の側より狭く傾
いている場合を例として示してある。FIG. 4 shows the connector section 1 of the card 9 to be inserted and removed.
3 is a diagram showing the connection state of the pins of the connector when the connector 1 is removed from the connector section 12 of the main body board 10, and the signal states of the insertion start / removal end detection section 16 and the insertion end removal / removal start detection section 18; Similarly, the case where the connector section 11 is inclined with respect to the connector section 12 so that the side of the insertion / removal detection connectors 1 and 4 is narrower than the side of the insertion / removal detection connectors 3 and 6 at the time of removal is illustrated.

【００３３】図４において、コネクタ部１１、１２の抜
去前は、全てのピンが接触状態で、挿入開始抜去終了検
出部１６および挿入終了抜去開始検出部１８の信号は、
Ｌレベルである。コネクタ部１１、１２の抜去開始後ま
ずは、挿抜検出用コネクタ３、６のショートピン１４
ａ、ｂが非接触となる。このシートピンの非接触化によ
り挿入終了抜去開始検出部１８の信号はＨレベルとな
る。この挿入終了抜去開始検出部１８の信号のＨレベル
への変化でコネクタ部１１、１２の抜去開始を検出でき
る。In FIG. 4, before the connectors 11 and 12 are removed, all the pins are in contact with each other, and the signals of the insertion start / removal end detector 16 and the insertion end / removal start detector 18 are:
L level. After the removal of the connectors 11 and 12 is started, first, the short pins 14 of the connectors 3 and 6 for insertion / removal detection are used.
a and b become non-contact. Due to the non-contact of the sheet pins, the signal of the insertion end / removal start detection unit 18 becomes H level. The change of the signal of the insertion end / removal start detecting unit 18 to the H level can detect the removal start of the connector units 11 and 12.

【００３４】続いて挿抜検出用コネクタ１、４のショー
トピン１４ａ、ｂが非接触となり、さらに続いてシグナ
ルピン１５ａ、ｂが次々に非接触となり、全てのシグナ
ルピン１５ａ、ｂが非接触化し終わった後に挿抜検出用
コネクタ３、６のロングピン１３ａ、ｂが非接触とな
り、最後に挿抜検出用コネクタ１、４のロングピン１３
ａ、ｂが非接触となる。この最後のロングピン１３ａ、
ｂの非接触化により挿入開始抜去終了開始検出部１６の
信号は、Ｈレベルとなる。この挿入開始抜去終了検出部
１６の信号のＨレベルへの変化でコネクタ部１１、１２
の抜去終了を検出できる。Subsequently, the short pins 14a and 14b of the connectors 1 and 4 become non-contact, and then the signal pins 15a and 15b come out of contact one after another, and all the signal pins 15a and 15b come to non-contact. After that, the long pins 13a and 13b of the insertion / removal detection connectors 3 and 6 become non-contact.
a and b become non-contact. This last long pin 13a,
Due to the non-contact of b, the signal of the insertion start / removal end start detecting unit 16 becomes H level. When the signal of the insertion start / removal end detection unit 16 changes to the H level, the connector units 11 and 12
Can be detected.

【００３５】挿入終了抜去開始検出部１８の信号のＨレ
ベルへの変化時から挿入開始抜去終了検出部１６の信号
のＨレベルへの変化時まで、不活性化部により、活線挿
抜対象のシグナルピン１５ａ、ｂを通る信号をマスクす
るか、もしくは動作のを止める等の処理を行うことによ
り、コネクタ部１１および１２の抜去動作中にシグナル
ピン１５ａ、ｂを通る信号が挿抜対象カード９および本
体ボード１０に影響を与えないようにできる。From the time when the signal of the insertion end / removal start detecting unit 18 changes to the H level to the time when the signal of the insertion start / removal end detecting unit 16 changes to the H level, the signal of the hot swap target By performing processing such as masking the signal passing through the pins 15a and 15b or stopping the operation, the signal passing through the signal pins 15a and 15b during the removal operation of the connector units 11 and 12 is inserted into the card 9 and the The board 10 can be prevented from being affected.

【００３６】本実施の形態の活線挿抜検出回路は、ロン
グピン１３ａ、ｂおよびショートピン１４ａ、ｂをコネ
クタ部１１ａの両端部に設けることにより、シグナルピ
ン１５ａとロングピン１３ａ、ショートピン１４ａとの
長さの差が小さくても、挿抜対象カード９が傾きコネク
タ部１２に対してコネクタ部１１が傾斜した場合のコネ
クタ部１１、１２の挿抜の開始および終了を確実に検出
できる。In the hot-swap detecting circuit of this embodiment, the long pins 13a and 13b and the short pins 14a and 14b are provided at both ends of the connector portion 11a, so that the signal pin 15a and the long pin 13a and the short pin 14a are long. Even if the difference is small, it is possible to reliably detect the start and end of the insertion and removal of the connectors 11 and 12 when the card 9 to be inserted / removed is inclined with respect to the connector 12.

【００３７】なお、図１には、ロングピン１３ａがシグ
ナルピン１５ａよりも長く、ショートピン１４ａがシグ
ナルピンよりも短いものを示したが、これに限られず、
例えば、ロングピン１３ｂ、ショートピン１４ｂおよび
シグナルピン１５ｂが皆同じ長さで、ロングピン１３ｂ
がシグナルピン１５ｂより長く、ショートピン１４ｂが
シグナルピン１５ｂより短くしてもよい。また、ロング
ピン１３ａ、ｂそれぞれがシグナルピン１５ａ、ｂより
長く、ショートピン１４ａ、ｂそれぞれがシグナルピン
１５ａ、ｂよりも短いようにしてもよい。In FIG. 1, the long pin 13a is longer than the signal pin 15a and the short pin 14a is shorter than the signal pin. However, the present invention is not limited to this.
For example, the long pin 13b, the short pin 14b, and the signal pin 15b are all the same length, and the long pin 13b
May be longer than the signal pin 15b, and the short pin 14b may be shorter than the signal pin 15b. The long pins 13a and 13b may be longer than the signal pins 15a and 15b, and the short pins 14a and 14b may be shorter than the signal pins 15a and 15b.

【００３８】また、挿抜検出用コネクタ１および４と、
信号用コネクタ２および５と、挿抜検出用コネクタ３お
よび６とに分離せずに、両端部にロングピン１３ａおよ
び１４ａを設け、その中間にシグナルピン１５ａを列設
した一体のコネクタをコネクタ部１１に取り付け、両端
部にロングピン１３ｂおよび１４ｂを設け、その中間に
シグナルピン１５ｂを列設した一体のコネクタをコネク
タ部１１に取り付け、コネクタ部１２にも対応して一体
のコネクタを取り付けるようにしても本発明は、実施で
きる。Further, connectors 1 and 4 for insertion / removal detection,
Without separating into the signal connectors 2 and 5 and the insertion / removal detection connectors 3 and 6, long connectors 13a and 14a are provided at both ends, and an integrated connector in which signal pins 15a are arranged in the middle is connected to the connector portion 11. Even if the long pins 13b and 14b are provided at both ends and the signal pins 15b are arranged in the middle, an integral connector is attached to the connector portion 11, and the integral connector is also attached to the connector portion 12. The invention can be implemented.

【００３９】図２は、本発明の他の実施の形態の活線挿
抜検出回路の回路図を含む正面図である。FIG. 2 is a front view including a circuit diagram of a hot-swap detecting circuit according to another embodiment of the present invention.

【００４０】図２において、装置本体側に実装される本
体ボード３２の先端の辺からなるコネクタ部３４には、
コネクタ２５〜２８が列設されている。挿抜対象カード
３１の一辺からなるコネクタ部３３には、コネクタ２１
〜２４が列設されている。コネクタ２１〜２４それぞれ
は、コネクタ２５〜２８に対応し、これらは互いに挿抜
される。In FIG. 2, a connector portion 34 consisting of a tip side of a main body board 32 mounted on the apparatus main body side includes:
Connectors 25 to 28 are arranged in a row. The connector portion 33 formed on one side of the insertion / removal target card 31 has a connector 21
To 24 are arranged in a line. The connectors 21 to 24 correspond to the connectors 25 to 28, respectively, which are inserted and removed from each other.

【００４１】各コネクタ２１〜２４には、ロングピン３
５ａ、ショートピン３６ａおよび１または複数のシグナ
ルピン３７ａが設けられている。また、各コネクタ２５
〜２８には、ロングピン３５ｂ、ショートピン３６ｂお
よび１または複数のシグナルピン３７ｂが設けられ、ロ
ングピン３５ａ、ショートピン３６ａおよびシグナルピ
ンａのそれぞれは、ロングピン３５ｂ、ショートピン３
６ｂおよびシグナルピンｂのそれぞれに対応して対を成
している。Each connector 21 to 24 has a long pin 3
5a, a short pin 36a and one or more signal pins 37a are provided. In addition, each connector 25
28, a long pin 35b, a short pin 36b, and one or more signal pins 37b are provided. Each of the long pin 35a, the short pin 36a, and the signal pin a is a long pin 35b, a short pin 3b.
A pair is formed corresponding to each of the signal pin 6b and the signal pin b.

【００４２】シグナルピン３７ａは、全て同じ長さで、
ロングピン３５ａは、全てシグナルピン３７ａより長
く、ショートピン３６ａは、全てシグナルピン３７ａよ
りも短い。ロングピン３５ｂ、ショートピン３６ｂおよ
びシグナルピン３７ｂは、全て同じ長さである。The signal pins 37a are all the same length,
The long pins 35a are all longer than the signal pins 37a, and the short pins 36a are all shorter than the signal pins 37a. The long pin 35b, the short pin 36b, and the signal pin 37b are all the same length.

【００４３】コネクタ部３３をコネクタ部３４に挿入す
るときは、コネクタ部３３がコネクタ部３４に対し少し
傾いていても、いずれかの対のシグナルピン３７ａ、ｂ
が接触する前に、必ずいずれかの対のロングピン３５
ａ、ｂが接触していることとなる。また、全ての対のシ
グナルピン３７ａ、ｂが接触してからでないと、全ての
対のショートピンが接触することはない。When the connector section 33 is inserted into the connector section 34, even if the connector section 33 is slightly inclined with respect to the connector section 34, any of the signal pins 37a, 37b
Before any contact, make sure that any pair of long pins 35
a and b are in contact. Unless all pairs of signal pins 37a and 37b are in contact, all pairs of short pins will not come into contact.

【００４４】また、コネクタ部３３をコネクタ部３４か
ら抜去するときは、コネクタ部３３がコネクタ部３４に
対し少し傾いていても、いずれかの対のシグナルピン３
７ａ、ｂが非接触となる前に必ずいずれかの対のショー
トピン３６ａ、ｂが非接触となっていて、全ての対のシ
グナルピン３７ａ、ｂが非接触となってからでないと、
全ての対のロングピン３５ａ、ｂは非接触とならない。When the connector section 33 is removed from the connector section 34, even if the connector section 33 is slightly inclined with respect to the connector section 34, any one of the signal pins 3
Before any of the pair of short pins 36a, b is in a non-contact state before 7a, b is in a non-contact state, all the signal pins 37a, b of the pair must be in a non-contact state.
All pairs of long pins 35a and 35b do not come into non-contact.

【００４５】コネクタ２１〜２４それぞれのロングピン
３５ａは、ともに接地され、コネクタ２５〜２８のロン
グピン３５ｂがともに接続された挿入開始抜去終了検出
部３８は、プルアップ抵抗２９を介して電源ＶＤＤに接
続されている。コネクタ２５のショートピン３６ｂは、
接地され、コネクタ２１と２２とのショートピン３６ａ
が配線で互いに接続され、コネクタ２３と２４とのショ
ートピン３６ａが配線で互いに接続され、コネクタ２６
と２７とのショートピン３６ｂが配線で互いに接続さ
れ、コネクタ２８のショートピン３６ｂが接続された挿
入終了抜去開始検出部３９は、プルアップ抵抗３０を介
して電源ＶＤＤに接続されている。The long pins 35a of the connectors 21 to 24 are both grounded, and the insertion start / removal end detection unit 38 to which the long pins 35b of the connectors 25 to 28 are connected is connected to the power supply VDD via the pull-up resistor 29. ing. The short pin 36b of the connector 25 is
Ground pin, short pin 36a between connectors 21 and 22
Are connected to each other by wiring, and the short pins 36a of the connectors 23 and 24 are connected to each other by wiring.
The short pin 36b of the connector 27 is connected to the short pin 36b of the connector 28, and the insertion end / removal start detection unit 39 to which the short pin 36b of the connector 28 is connected is connected to the power supply VDD via the pull-up resistor 30.

【００４６】従って、コネクタ部３３および３４を接続
した状態では、コネクタ２１と２５、２２と２６、２３
と２７および２４と２８の接続状態のロングピン３５
ａ、ｂが全て地気と電源ＶＤＤとの間に並列に接続され
ることとなり、接続状態のショートピン３６ａ、ｂが全
て電源ＶＤＤとの間に直列に接続されることとなる。Therefore, when the connector portions 33 and 34 are connected, the connectors 21 and 25, 22 and 26, 23
Long pin 35 in the connection state of
a and b are all connected in parallel between the ground and the power supply VDD, and the connected short pins 36a and 36b are all connected in series between the power supply VDD.

【００４７】本実施の形態の活線挿抜検出回路でもコネ
クタ部３３および３４の挿入時には、挿入開始抜去終了
検出部１６の信号のＬレベルへの変化でコネクタ部１
１、１２の挿入開始を検出でき、挿入終了抜去開始検出
部１８の信号のＬレベルへの変化でコネクタ部１１、１
２の挿入終了を検出できる。また、コネクタ部３３およ
び３４の抜去時には、挿入終了抜去開始検出部１８の信
号のＨレベルへの変化でコネクタ部１１、１２の抜去開
始を検出でき、挿入開始抜去終了検出部１６の信号のＨ
レベルへの変化でコネクタ部１１、１２の抜去終了を検
出できる。In the hot-swap detecting circuit of the present embodiment, when the connectors 33 and 34 are inserted, the signal of the insertion start / removal end detector 16 changes to the L level and the connector 1
1 and 12 can be detected, and when the signal of the insertion end / removal start detecting unit 18 changes to L level, the connector units 11 and 1 can be detected.
2 can be detected. Further, when the connectors 33 and 34 are removed, the removal start of the connectors 11 and 12 can be detected by the change of the signal of the insertion end removal start detector 18 to the H level, and the H level of the signal of the insertion start removal extraction detector 16 can be detected.
The end of removal of the connector units 11 and 12 can be detected by the change to the level.

【００４８】本実施の形態の活線挿抜検出回路は、ロン
グピン５３ａとショートピン５４ａの数を増やし、コネ
クタ部５１の全体に渡って分散させることにより、シグ
ナルピン５５ａとロングピン５３ａ、ショートピン５４
ａとの長さの差を図１に示した活線挿抜検出回路の場合
より、さらに小さくしても挿抜対象カード４９が傾きコ
ネクタ部５１に対してコネクタ部５２が傾斜した場合の
コネクタ部５１、５２の挿抜の開始および終了を確実に
検出できる。In the hot-swap detecting circuit of this embodiment, the signal pins 55a, the long pins 53a, and the short pins 54a are increased by increasing the number of the long pins 53a and the short pins 54a and dispersing them throughout the connector section 51.
1 is smaller than the case of the hot-line insertion / removal detection circuit shown in FIG. 1, the insertion / removal target card 49 is inclined, and the connector section 51 is inclined when the connector section 52 is inclined with respect to the connector section 51. , 52 can be reliably detected.

【００４９】なお、コネクタ２１〜２４を一体化したコ
ネクタをコネクタ部３３に取り付け、コネクタ２５〜２
８を一体化したコネクタをコネクタ部３４に取り付ける
ようにしてもよい。A connector integrating the connectors 21 to 24 is attached to the connector section 33, and the connectors 25 to 2
8 may be attached to the connector section 34.

【００５０】[0050]

【発明の効果】本発明の活線挿抜検出回路は、アンドゲ
ート、オアゲート等を用いることなく、少ない回路部品
で、１対のコネクタ部の挿抜において、それらのコネク
タ部が互いに傾斜していても確実にコネクタ部の挿抜の
開始および終了を検出することができる効果がある。The hot-swap detecting circuit of the present invention uses a small number of circuit components without using an AND gate, an OR gate, etc., even when the pair of connector parts are inclined with respect to each other when the pair of connector parts are inserted and removed. This has the effect of reliably detecting the start and end of insertion and removal of the connector.

[Brief description of the drawings]

【図１】本発明の実施の形態の活線挿抜検出回路の回路
図を含む正面図である。FIG. 1 is a front view including a circuit diagram of a hot-swap detecting circuit according to an embodiment of the present invention.

【図２】本発明の他の実施の形態の活線挿抜検出回路の
回路図を含む正面図である。FIG. 2 is a front view including a circuit diagram of a hot-swap detecting circuit according to another embodiment of the present invention.

【図３】図１に示す活線挿抜検出回路のコネクタ部１１
および１２を挿入する時の動作を示す図である。FIG. 3 is a connector section 11 of the hot-swap detecting circuit shown in FIG.
FIG. 10 is a diagram showing an operation when inserting the および and １２.

【図４】図１に示す活線挿抜検出回路のコネクタ部１１
および１２を抜去する時の動作を示す図である。4 is a connector section 11 of the hot-swap detecting circuit shown in FIG.
FIG. 10 is a diagram showing an operation when removing the horns and 12;

【図５】従来の活線挿抜検出回路の回路図を含む正面図
である。FIG. 5 is a front view including a circuit diagram of a conventional hot-swap detecting circuit.

[Explanation of symbols]

１挿抜検出用コネクタ２信号用コネクタ３挿抜検出用コネクタ４挿抜検出用コネクタ５信号用コネクタ６挿抜検出用コネクタ７プルアップ抵抗８プルアップ抵抗９挿抜対象カード１０本体ボード１１コネクタ部１２コネクタ部１３ａ、１３ｂロングピン１４ａ、１４ｂショートピン１５ａ、１５ｂシグナルピン１６挿入開始抜去終了検出部１８挿入終了抜去開始検出部２１〜２８コネクタ２９プルアップ抵抗３０プルアップ抵抗３１挿抜対象カード３２本体ボード３３コネクタ部３４コネクタ部３５ａ、３５ｂロングピン３６ａ、３６ｂショートピン３７ａ、３７ｂシグナルピン３８挿入開始抜去終了検出部３９挿入終了抜去開始検出部４１挿抜検出用コネクタ４２信号用コネクタ４３挿抜検出用コネクタ４４挿抜検出用コネクタ４５信号用コネクタ４６挿抜検出用コネクタ４９挿抜対象カード５０本体ボード５１コネクタ部５２コネクタ部５３ａ、５３ｂロングピン５４ａ、５４ｂショートピン５５ａ、５５ｂシグナルピン５６〜５９プルアップ抵抗６０アンドゲート６１オアゲート６２挿入開始抜去終了信号６３挿入終了抜去開始信号 REFERENCE SIGNS LIST 1 Connector for insertion / extraction detection 2 Connector for signal 3 Connector for insertion / extraction detection 4 Connector for insertion / extraction detection 5 Connector for signal 6 Connector for insertion / extraction detection 7 Pull-up resistor 8 Pull-up resistor 9 Card to be inserted / extracted 10 Body board 11 Connector section 12 Connector section 13a , 13b Long pin 14a, 14b Short pin 15a, 15b Signal pin 16 Insertion start / removal end detector 18 Insertion / removal start detector 21-28 Connector 29 Pull-up resistor 30 Pull-up resistor 31 Card to be inserted / removed 32 Body board 33 Connector 34 Connector portions 35a, 35b Long pins 36a, 36b Short pins 37a, 37b Signal pins 38 Insertion start / removal end detection section 39 Insertion end extraction / removal start detection section 41 Insertion / extraction detection connector 42 Signal connector 43 Insertion / extraction detection Connector 44 Connector for insertion / extraction detection 45 Connector for signal 46 Connector for insertion / extraction detection 49 Card for insertion / extraction 50 Body board 51 Connector section 52 Connector section 53a, 53b Long pin 54a, 54b Short pin 55a, 55b Signal pin 56-59 Pull-up resistor 60 and Gate 61 OR gate 62 Insertion start removal end signal 63 Insertion end removal start signal

───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.⁷ 識別記号ＦＩテーマコート゛(参考） // Ｈ０１Ｒ 107:00 Ｈ０１Ｒ 23/68 Ｌ ──────────────────────────────────────────────────続き Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) // H01R 107: 00 H01R 23/68 L

Claims

[Claims]

1. A first connector section, and a second connector section for connecting to the first connector section, respectively provided corresponding to the first connector section and the second connector section. And a plurality of pairs of signal pins, each of which is provided in correspondence with the first connector section and the second connector section, and when any pair of the signal pins is in contact, any one of them always contacts And a plurality of pairs of long pins, each of which is provided corresponding to the first connector portion and the second connector portion, and if any pair of the signal pins is in non-contact, one of them must be in non-contact. A first terminal connected to one end of a parallel connection of a plurality of pairs of short pins and the plurality of pairs of long pins when the first connector section and the second connector section are connected to each other. By detecting the potential of the first power supply connected to the other end of the plurality of pairs of long pins connected in parallel when the first connector section and the second connector section are connected to each other. An insertion start detection unit for detecting that any one of the plurality of long pins is in contact with the first connector unit and the second connector unit when the first connector unit and the second connector unit are connected to each other; A second power supply connected to one end of a serially connected pin, the first connector and the second
When the plurality of pairs of short pins are connected to each other, the plurality of pairs of short pins are connected in series and connected to the other end, and by detecting the potential of the second power supply, all of the plurality of pairs of short pins are connected in pairs. A live-line insertion / removal detection circuit, comprising: an insertion end detection unit for detecting contact.

2. A first connector portion, and a second connector portion for connecting to the first connector portion, respectively provided corresponding to the first connector portion and the second connector portion. And a plurality of pairs of signal pins, each of which is provided in correspondence with the first connector section and the second connector section, and when any pair of the signal pins is in contact, any one of them always contacts And a plurality of pairs of long pins, each of which is provided corresponding to the first connector portion and the second connector portion, and if any pair of the signal pins is in non-contact, one of them must be in non-contact. A plurality of pairs of short pins, and a grounding portion connected to one end of a parallel connection of the plurality of pairs of long pins when the first connector portion and the second connector portion are connected to each other; The plurality of pairs of long pins when the first connector section and the second connector section are connected to each other are connected to the other end of the long pins and connected to a third power supply via a first resistor. And a grounding unit connected to one end of a serial connection of the plurality of pairs of short pins when the first connector unit and the second connector unit are connected to each other, and The plurality of pairs of short pins when the first connector section and the second connector section are connected to each other are connected to the other end of the short pins and connected to a fourth power supply via a second resistor. A live-line insertion / extraction detection circuit including an insertion end detection unit.

3. A first connector portion, a second connector portion for connecting to the first connector portion, and a second connector portion provided to correspond to the first connector portion and the second connector portion, respectively. A plurality of pairs of signal pins and a pair of signal pins respectively provided at both ends of the first connector portion and the second connector portion, and when any pair of the signal pins is in contact with each other, Two pairs of long pins, which are always in contact with one another, and one pair of the signal pins, each pair provided at both ends of the first connector portion and the second connector portion, respectively. In the case where two pairs of short pins, one of which is always non-contact if non-contact, and the two pairs of long pins when the first connector portion and the second connector portion are connected to each other, are connected in parallel. A first power supply connected to one end of
The two pairs of long pins are connected in parallel when the first connector part and the second connector part are connected to each other, and are connected to the other end to detect the potential of the first power supply. An insertion start detection unit that detects that any pair of long pins are in contact with each other, and the two pairs of short pins when the first connector unit and the second connector unit are connected to each other. A second power supply connected to one end of the connected one, and the other end of a serial connection of the two pairs of short pins when the first connector part and the second connector part are connected to each other are connected to the other end. A live-line insertion / extraction detection unit that detects that the two pairs of short pins are in contact with each other by detecting the potential of the second power supply. Road.

4. A first connector portion provided with a first insertion / removal detection connector having a first long pin and a first short pin on both sides of a first signal connector having a first signal pin; A second long pin for connecting to the first long pin and the first short pin on both sides of a second signal connector having a second signal pin for connection to the first signal pin; A second correspondingly having a second short pin for connection
And a second connector portion provided with an insertion / removal detection connector, wherein any pair of the first and second signal pins are in contact when the first and second connector portions are inserted / removed. For example, if any pair of the first and second long pins is always in contact and any pair of the first and second signal pins is not in contact, the pair of the first and second short pins is not contacted. Either pair is always in non-contact, and the first and second signal connectors provided on both sides of the first and second connector portions when the first and second connector portions are connected to each other. The first and second contact states of the first and second insertion / removal detection connectors
A first power supply connected to one end of a parallel connection of the long pins, and a contact state of the first and second insertion / removal detection connectors provided on both sides of the first and second signal connectors. Detecting that any pair of the first and second long pins are in contact by detecting the potential of the first power supply connected to the other end of the first and second long pins connected in parallel. The first and second short pins in a contact state of the first and second insertion / removal detection connectors provided on both sides of the first and second signal connectors are connected in series. A second power supply connected to one end of the first and second connectors, and the first and second connectors in contact with the first and second insertion / removal detection connectors provided on both sides of the first and second signal connectors. Is connected to the other end of the short pins connected in series and detects the potential of the second power supply to detect that all of the first and second short pins are in contact with each other. A hot-swap detection circuit, comprising: a detection unit.

5. A connector for connecting a plurality of first connectors each having a first signal pin, a first long pin, and a first short pin to a first connector section and a plurality of first connectors, the first connector section having a plurality of first connectors having a first long pin and a first short pin. A second connector having a second signal pin, a second long pin for connecting to the first long pin, and a second short pin for connecting to the first short pin. And a plurality of second connector portions arranged in parallel with each other, and any one of the first and second signal pins is in contact when the first and second connector portions are inserted and removed. If any of the pairs of the first and second long pins are always in contact, and if any of the pairs of the first and second signal pins are not in contact, the first and second short pins Any of the pins The first connector portion and the second connector portion are connected to each other, and the first and second connectors are in a contact state when the first connector portion and the second connector portion are connected to each other. And a first power supply connected to one end of a parallel connection of the first and second long pins, and a first power supply connected to one end of the plurality of first and second long pins in parallel with each other. An insertion start detecting unit connected to an end of the first power supply to detect whether any pair of the first and second long pins are in contact with each other, and detecting a potential of the first power supply; And a second power supply connected to one end of a serial connection of the first and second short pins in a contact state of the second connector and a plurality of the first and second connectors in a contact state of a plurality of the first and second connectors. First and The second short pin is connected to the other end of the second short pin connected in series.
The first and second power supplies are detected by detecting the potential of the power supply.
And an insertion completion detection unit for detecting that all of the short pins are in contact with each other in pairs.

6. A first connector section, and a second connector section for connecting to the first connector section, respectively provided corresponding to the first connector section and the second connector section. And a plurality of pairs of signal pins, each of which is provided in correspondence with the first connector section and the second connector section, and when any pair of the signal pins is in contact, any one of them always contacts And a plurality of pairs of long pins, each of which is provided corresponding to the first connector portion and the second connector portion, and if any pair of the signal pins is in non-contact, one of them must be in non-contact. A first terminal connected to one end of a parallel connection of a plurality of pairs of short pins and the plurality of pairs of long pins when the first connector section and the second connector section are connected to each other. By detecting the potential of the first power supply connected to the other end of the plurality of pairs of long pins connected in parallel when the first connector section and the second connector section are connected to each other. An insertion start detection unit for detecting that any one of the plurality of long pins is in contact with the first connector unit and the second connector unit when the first connector unit and the second connector unit are connected to each other; A second power supply connected to one end of a serially connected pin, the first connector and the second
When the plurality of pairs of short pins are connected to each other, the plurality of pairs of short pins are connected in series and connected to the other end, and by detecting the potential of the second power supply, all of the plurality of pairs of short pins are connected in pairs. All of the plurality of short pins are detected when the insertion end detection unit that detects the contact and the insertion start detection unit detects that any pair of the plurality of long pins are in contact. When the contact of each pair is not detected, the signal to be transmitted through at least a part of the signal pins of the plurality of pairs affects the operation of the circuit connected to the first or second connector unit. A hot-line insertion / removal detection circuit, comprising:

7. A first connector section, and a second connector section for connecting to the first connector section, respectively provided corresponding to the first connector section and the second connector section. And a plurality of pairs of signal pins, each of which is provided in correspondence with the first connector section and the second connector section, and when any pair of the signal pins is in contact, any one of them always contacts And a plurality of pairs of long pins, each of which is provided corresponding to the first connector portion and the second connector portion, and if any pair of the signal pins is in non-contact, one of them must be in non-contact. A first terminal connected to one end of one of a plurality of pairs of short pins and a parallel connection of the plurality of pairs of long pins when the first connector portion and the second connector portion are connected to each other. By detecting the potential of the first power supply connected to the other end of the plurality of pairs of long pins connected in parallel when the first connector section and the second connector section are connected to each other. An insertion start detection unit for detecting that any one of the plurality of long pins is in contact with the first connector unit and the second connector unit when the first connector unit and the second connector unit are connected to each other; A second power supply connected to one end of a serially connected pin, the first connector and the second
When the plurality of pairs of short pins are connected to each other, the plurality of pairs of short pins are connected in series and connected to the other end, and by detecting the potential of the second power supply, all of the plurality of pairs of short pins are connected in pairs. A hot-line insertion / extraction detection circuit having an insertion end detection unit for detecting contact, wherein the first insertion start detection unit for connecting the first connector and the second connector has a plurality of long pins; And between the time when the first end of the first connector and the first connector and the second when the insertion end detecting section detects that all of the plurality of short pins have been contacted for each pair. When disconnecting the connector, the first insertion end detection unit detects that any pair of short pins has become out of contact with the first Until it is detected that all of the pins have come out of contact, signals to be transmitted via at least a part of the plurality of pairs of signal pins are connected to the first or second connector section. A method for inserting and removing a stopcock so as not to affect the operation of the circuit.