JPS61176022A - Operation measuring apparatus for lead switch - Google Patents
Operation measuring apparatus for lead switchInfo
- Publication number
- JPS61176022A JPS61176022A JP1548085A JP1548085A JPS61176022A JP S61176022 A JPS61176022 A JP S61176022A JP 1548085 A JP1548085 A JP 1548085A JP 1548085 A JP1548085 A JP 1548085A JP S61176022 A JPS61176022 A JP S61176022A
- Authority
- JP
- Japan
- Prior art keywords
- piece
- fixed terminal
- reed switch
- fixed
- contact
- 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
Links
Landscapes
- Switches That Are Operated By Magnetic Or Electric Fields (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明はリードスイッチの動作測定装置にＩ関するもの
である。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a reed switch operation measuring device I.
（を来技術とその間頑点）
リードスイッチ１は第１図に示すようにガラス管２の両
端よりのぞませて封着し次磁性材よシなる渠１および第
２の固定端子片３．４ｔ−設け、第２の固定端子片４に
バネ性の支持片５ｔ−介して支持し九伍性材よりなる可
動片６の＠他面６ｍを第１の固定端子片３の接極面３暑
に磁気間ｖＡをもって対向させ、第１の固定端子片３の
封入部分に一端ｔ−固定したバネ接触片７の甲関ｉｔ−
第１の固定端子片の封入部分胸部にバネ圧力をもって係
止させ、その突出部に可動片に設けた可動接点８に接離
する固定接点７ａを設けた構造となっている。(Regarding the future technology and the stubborn points between them) As shown in Fig. 1, the reed switch 1 is made of a glass tube 2, which is exposed from both ends and sealed, and then has a conduit 1 made of magnetic material and a second fixed terminal piece 3. The movable piece 6 is made of a flexible material and is supported by the second fixed terminal piece 4 through a spring support piece 5t, and the other side 6m of the movable piece 6 is connected to the armature surface 3 of the first fixed terminal piece 3. The upper part of the spring contact piece 7 is opposed to each other with a magnetic distance vA, and one end of the spring contact piece 7 is fixed to the enclosed part of the first fixed terminal piece 3.
It has a structure in which the enclosed portion of the first fixed terminal piece is locked to the chest with spring pressure, and a fixed contact 7a that contacts and separates from the movable contact 8 provided on the movable piece is provided on the protruding part.
かかるリードスイッチの感動値を測定するため、従来は
第１図に示すように、リードスイッチ１の外周に巻装し
た駆動コイル９に可変ＩｆｆＬｔ源１０と電流計１１か
ら成る駆動回路を接ＦＩｔするとともに、リードスイッ
チの第１および第２の固定端子片に＋ｆ流電源１２、発
光ダイオード１３、及び接点負荷１４からなる開閉１百
号慎出回路を接続し。In order to measure the emotional value of such a reed switch, as shown in FIG. At the same time, a No. 100 switching circuit consisting of a +f current power source 12, a light emitting diode 13, and a contact load 14 is connected to the first and second fixed terminal pieces of the reed switch.
可変直流シ源１０の電流金除々に増加させ、駆動コイル
９に発生する磁束量を増加させ、可動接点８と１定接点
７ａＩ７）接触により開閉信号検出回路の発光ダイオー
ド１３が発光し友ときの駆動回路の’に流１直全よみ、
その′省流１直にｒ’４勤コイル９の巻数を乗じて、リ
ードスイッチの感動値を求めている。The current of the variable DC source 10 is gradually increased to increase the amount of magnetic flux generated in the drive coil 9, and when the movable contact 8 and the constant contact 7aI7) come into contact, the light emitting diode 13 of the open/close signal detection circuit emits light. The drive circuit's current 1st shift,
By multiplying the current saving 1st shift by the number of turns of the r'4th shift coil 9, the reed switch's impression value is determined.
ところが、この感動値は可動髪点８と固定接点７ａとが
電気市に接触し可動片の接極面６ａが第１の固定端子片
の接極ｊ３３に間層していない状態での感動値でめるｔ
め、正確な感動値を得ることが出来なかった。However, this impression value is the impression value in a state where the movable hair point 8 and the fixed contact 7a are in contact with the electric terminal and the armature surface 6a of the movable piece is not interlayered with the armature j33 of the first fixed terminal piece. Demeru t
Therefore, it was not possible to obtain an accurate impression value.
（問題点全解決するための手段）
本発明は上記の問題点を解決する几めになされたもので
、非磁性材の封入容器内に一部を挿入して耐層した磁性
材よりなる第１および第２の固定端子片を設げＳ前記第
２の固定端子片にバネ性の支持片に支持され端部の接極
面を第１の固定端子片の接極面に磁気間隙を介して対向
させた可動片を有し、渠１の固定端子片の封入部分一端
金固定し第１の固定端子片の封入部分端部にバネ圧力上
もって係止させ、その突出部に可動片の接点に接離する
固定接点をそなえたバネ接触片金有するリードスイッチ
の動作測定装置において、リードスイッチｔ−ＦＨＡ繞
するように駆動コイルを設け、この駆動コイルに流れる
電流と前記可動片の接極面が第１の固定端子の接極面に
衝接し友ときの信号から、リードスイッチの閉路し友と
きの動作電流を検出するようにし友ものである。(Means for Solving All Problems) The present invention has been made to solve the above-mentioned problems.The present invention is a method of solving the above-mentioned problems. 1 and a second fixed terminal piece are provided, and the second fixed terminal piece is supported by a spring support piece, and the armature surface of the end is connected to the armature surface of the first fixed terminal piece through a magnetic gap. One end of the enclosed part of the fixed terminal piece of conduit 1 is fixed with a metal, and the end of the enclosed part of the first fixed terminal piece is locked with spring pressure, and the protruding part of the movable piece is fixed to the end of the enclosed part of the first fixed terminal piece. In an operation measuring device for a reed switch having a spring-contact piece with a fixed contact that connects and separates the contact, a drive coil is provided so as to cover the reed switch t-FHA, and the current flowing through the drive coil and the armature of the movable piece are measured. The operating current when the reed switch is closed is detected from the signal when the surface collides with the grounding surface of the first fixed terminal.
以下本発明の実施例を図面に基づき説明すれば次の通り
である。Embodiments of the present invention will be described below based on the drawings.
（実施例）
第２図は本発明の実施の一例を示すブロック図で、１５
はリードスイッチ１ｔ−囲繞するように設けた駆動コイ
ル、１６は三角良の電圧（掃引電シを増巾器１７を介し
て駆動コイル１５に与える発６６．１８はシャント抵抗
、１９はシャント抵抗１８による分圧電圧と発振器１６
の出力電圧を入力とする差動増幅幸１２０は微分回路、
２１は波形歪形回′Ｎ！、２２は電流ホールド回路でる
る。(Embodiment) FIG. 2 is a block diagram showing an example of implementation of the present invention.
is a drive coil provided to surround the reed switch 1t, 16 is a triangular voltage (sweep voltage is applied to the drive coil 15 via an amplifier 17), 18 is a shunt resistor, 19 is a shunt resistor 18 divided voltage and oscillator 16 by
The differential amplifier 120 which inputs the output voltage of is a differentiating circuit,
21 is the waveform distortion time 'N! , 22 is a current hold circuit.
つぎに動作について説明すると、・発振器１６からの三
角波の電圧（掃引電圧）増巾器１７により増巾して駆切
コイル１５に印加すると、この駆動コイル１５に発生す
る磁束によシ可動片６が吸引されて、リードスイッチ１
の第２の固定端子片４よシ可動片６を通って可動片の磁
極面６ａからａｇｌの固定端子片３の磁極面３ａ七通９
第１の固定端子片３ｔ−通るｍ路を形成し、掃引電圧の
上昇に伴って、可動片６ｔ−更に反時計方向に回動し、
可動片６の磁極面６ａが第１の固定端子片３の磁極面３
ａＫ衡接する。Next, the operation will be explained. When a triangular wave voltage (sweep voltage) from the oscillator 16 is amplified by the amplifier 17 and applied to the drive coil 15, the movable piece 6 is moved by the magnetic flux generated in the drive coil 15. is sucked and reed switch 1
From the second fixed terminal piece 4 through the movable piece 6, from the magnetic pole face 6a of the movable piece to the magnetic pole face 3a of the fixed terminal piece 3 of agl
Forming a path m passing through the first fixed terminal piece 3t, as the sweep voltage increases, the movable piece 6t further rotates counterclockwise.
The magnetic pole surface 6a of the movable piece 6 is the magnetic pole surface 3 of the first fixed terminal piece 3.
aK equilibrium.
この間、駆動コイル１５に接続され九シャント抵抗の分
圧電圧が発振器１６の出力電圧と差動増巾器１９によっ
て比軟増巾され更に、微分回路２０によシ微分され、更
に波形整形回路２１によシトリガ信号に変換されてシャ
ント抵抗の分圧電圧と共に電流ホールド回路２２に印加
される。During this time, the divided voltage of the nine shunt resistors connected to the drive coil 15 is soft-amplified by the output voltage of the oscillator 16 and the differential amplifier 19, further differentiated by the differentiating circuit 20, and further differentiated by the waveform shaping circuit 21. The signal is converted into a trigger signal and applied to the current hold circuit 22 together with the divided voltage of the shunt resistor.
しかして電流ホールド回路２２は、シャント抵抗１Ｂよ
り入力した電圧と波形整形回ｙ＆２１からのトリガ信号
とより可動片の８ａ他面６１が第１の固定端子片の磁極
面に衝接したときの′ば流値を出力する。従ってこの電
流値と駆動コイル１５の巻数からリードスイッチの正確
な感動値が求められる。Accordingly, the current hold circuit 22 uses the voltage input from the shunt resistor 1B and the trigger signal from the waveform shaping circuit y&21 to determine the voltage when the other surface 61 of the movable piece 8a collides with the magnetic pole surface of the first fixed terminal piece. Outputs the flow value. Therefore, from this current value and the number of turns of the drive coil 15, an accurate impression value of the reed switch can be determined.
（発明の効果ン
本発明は上述のように構成し九ので、リードスイッチの
動作が適確に測定されその感ｍｉｌ［ｔ−確実に検出す
ることが可屈となつ九。(Effects of the Invention) Since the present invention is constructed as described above, the operation of the reed switch can be accurately measured and its sensitivity can be reliably detected.
【図面の簡単な説明】
第１図は従来装置の説明図、第２図は本発明の実施例の
ブロック図。
１・・・リードスイッチ、１５・・・駆動コイル、１６
・・・発振器、１７・・・増巾器、１８・・・シャント
−抵抗、１９・・・差動増巾器、２０・・・微分回路、
２１・・・波形整形回路、２２・・・電流ホールド回路
。BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an explanatory diagram of a conventional device, and FIG. 2 is a block diagram of an embodiment of the present invention. 1... Reed switch, 15... Drive coil, 16
... Oscillator, 17... Amplifier, 18... Shunt-resistor, 19... Differential amplifier, 20... Differential circuit,
21... Waveform shaping circuit, 22... Current hold circuit.
Claims (1)
よりなる第１および第２の固定端子片を設け、前記第２
の固定端子片にバネ性の支持片に支持され端部の接極面
を第１の固定端子片の接極面に磁気間隙を介して対向さ
せた可動片を有し、第１の同定端子片の封入部分一端を
固定し第１の固定端子片の封入部分端部にバネ圧力をも
つて係止させ、その突出部に可動片の接点に接離する固
定接点をそなえたバネ接触片を有するリードスイッチの
動作測定装置において、リードスイッチを囲繞するよう
に駆動コイルを設け、この駆動コイルに流れる電流と可
動片の接極面が第１の固定端子の接極面に衝接したとき
の信号から、リードスイッチの閉路したときの動作電流
を検出するようにしたことを特徴とするリードスイッチ
の動作測定装置。First and second fixed terminal pieces made of a magnetic material are provided, a part of which is inserted into a sealed container made of a non-magnetic material, and the second fixed terminal piece is made of a magnetic material.
The fixed terminal piece has a movable piece supported by a spring support piece and whose end face faces the ground face of the first fixed terminal piece with a magnetic gap therebetween, and a first identification terminal. A spring contact piece is provided in which one end of the enclosed portion of the piece is fixed and is locked with spring pressure to the end of the enclosed portion of the first fixed terminal piece, and the protruding portion thereof is provided with a fixed contact that contacts and separates from the contact of the movable piece. In the reed switch operation measuring device, a drive coil is provided to surround the reed switch, and the current flowing through the drive coil and the current flowing when the armature surface of the movable piece collides with the armature surface of the first fixed terminal are measured. A reed switch operation measuring device, characterized in that an operating current when the reed switch is closed is detected from a signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1548085A JPS61176022A (en) | 1985-01-31 | 1985-01-31 | Operation measuring apparatus for lead switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1548085A JPS61176022A (en) | 1985-01-31 | 1985-01-31 | Operation measuring apparatus for lead switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61176022A true JPS61176022A (en) | 1986-08-07 |
Family
ID=11889953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1548085A Pending JPS61176022A (en) | 1985-01-31 | 1985-01-31 | Operation measuring apparatus for lead switch |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61176022A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007302139A (en) * | 2006-05-12 | 2007-11-22 | Mitsubishi Agricult Mach Co Ltd | Mobile agricultural machine |
-
1985
- 1985-01-31 JP JP1548085A patent/JPS61176022A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007302139A (en) * | 2006-05-12 | 2007-11-22 | Mitsubishi Agricult Mach Co Ltd | Mobile agricultural machine |
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