JPS58164210U - solenoid drive circuit - Google Patents
solenoid drive circuitInfo
- Publication number
- JPS58164210U JPS58164210U JP6252682U JP6252682U JPS58164210U JP S58164210 U JPS58164210 U JP S58164210U JP 6252682 U JP6252682 U JP 6252682U JP 6252682 U JP6252682 U JP 6252682U JP S58164210 U JPS58164210 U JP S58164210U
- Authority
- JP
- Japan
- Prior art keywords
- solenoid
- power supply
- supply voltage
- output
- solenoid drive
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Magnetically Actuated Valves (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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来のソレノイド駆動回路の説明図、第２図は
本考案に係るソレノイド駆動回路の一実 −施例の
説明図、第３図イ１口およびハは夫々電源電圧が高い場
合の第２図の回路の各部の動作波形図、第４図イ１口お
よびハは夫々電源電圧が低い場合の第２図の回路の各部
の動作波形図、第５図は本考案を油圧バルブに適用した
適用例の断面図である。
２１・・・発振器、２２・・・比較器、２３・・・ツレ
−ノイド制御信号発生器、２４・・・ゲート回路、２５
・・・ソレノイド駆動用トランジスタ、２６−・・ソレ
ノイド、Ｖｘ・・・電源。
Ａ←
１Fig. 1 is an explanatory diagram of a conventional solenoid drive circuit, Fig. 2 is an explanatory diagram of an embodiment of the solenoid drive circuit according to the present invention, and Fig. 3 A1 and C are respectively the case where the power supply voltage is high. Figure 2 is an operating waveform diagram of each part of the circuit, Figure 4 A1 and C are respectively operational waveform diagrams of each part of the circuit in Figure 2 when the power supply voltage is low, and Figure 5 is a diagram of the present invention applied to a hydraulic valve. It is a sectional view of an applied example. 21... Oscillator, 22... Comparator, 23... Tunneloid control signal generator, 24... Gate circuit, 25
... Solenoid drive transistor, 26-... Solenoid, Vx... Power supply. A← 1
Claims (1)
置を制御するソレノイド駆動回路であって、単調に増大
および減少を周期的に謙り返す信号波形を発生する発振
器と、該発振器から出力する上記信号波形とソレノイド
を駆動する電源電圧の分圧値とを比較し、上記電源電圧
により定まるデユティ比を有するパル及を出力する比較
器と、デユー ティ比可変のパルス信号を出力するソレ
ノイド制御信号発生器と、上記比較器から出力するパル
スの通過をソレノイド側御信号発生器から出力するパル
ス信号により制御するゲート回路と、該ゲート回路の出
力信号によりソレノイドをスイッチング駆動するソレノ
イド駆動用トランジスタとを備え、−上記電源電圧が高
いとぎにはソレノイド駆動、用トランジスタのオン時間
を短くし、上記電源電圧が低いときにはオン時間を長く
補正するようにしたことを特徴とするソレノイド駆動回
路。This is a solenoid drive circuit that controls the position of the plunger according to a preset arbitrary current value, and includes an oscillator that generates a signal waveform that periodically repeats monotonous increases and decreases, and the above-mentioned circuit that is output from the oscillator. A comparator that compares the signal waveform with the divided voltage value of the power supply voltage that drives the solenoid and outputs a pulse signal with a duty ratio determined by the power supply voltage, and a solenoid control signal generator that outputs a pulse signal with a variable duty ratio. a gate circuit that controls the passage of pulses output from the comparator using a pulse signal output from a solenoid side control signal generator, and a solenoid drive transistor that switches and drives the solenoid using the output signal of the gate circuit. - A solenoid drive circuit characterized in that when the power supply voltage is high, the on time of the solenoid driving transistor is shortened, and when the power supply voltage is low, the on time is corrected to be lengthened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6252682U JPS58164210U (en) | 1982-04-28 | 1982-04-28 | solenoid drive circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6252682U JPS58164210U (en) | 1982-04-28 | 1982-04-28 | solenoid drive circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58164210U true JPS58164210U (en) | 1983-11-01 |
| JPS626658Y2 JPS626658Y2 (en) | 1987-02-16 |
Family
ID=30072676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6252682U Granted JPS58164210U (en) | 1982-04-28 | 1982-04-28 | solenoid drive circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58164210U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61162673U (en) * | 1985-03-29 | 1986-10-08 | ||
| JP2008060461A (en) * | 2006-09-01 | 2008-03-13 | Fuji Electric Fa Components & Systems Co Ltd | Electromagnetic drive unit |
-
1982
- 1982-04-28 JP JP6252682U patent/JPS58164210U/en active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61162673U (en) * | 1985-03-29 | 1986-10-08 | ||
| JP2008060461A (en) * | 2006-09-01 | 2008-03-13 | Fuji Electric Fa Components & Systems Co Ltd | Electromagnetic drive unit |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS626658Y2 (en) | 1987-02-16 |
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