JPS6384476U - - Google Patents
Info
- Publication number
- JPS6384476U JPS6384476U JP17983986U JP17983986U JPS6384476U JP S6384476 U JPS6384476 U JP S6384476U JP 17983986 U JP17983986 U JP 17983986U JP 17983986 U JP17983986 U JP 17983986U JP S6384476 U JPS6384476 U JP S6384476U
- Authority
- JP
- Japan
- Prior art keywords
- pulse width
- width modulation
- wave generator
- triangular wave
- high frequency
- 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
- 238000010586 diagram Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Description
第１図は本考案の電磁比例制御弁駆動用の高周
波パルス幅変調増幅器の一実施例を示す回路図、
第２図は該実施例の動作及び電磁比例制御弁のソ
レノイドコイルに流れる電流値を示すグラフ、及
び第３図は従来の電磁比例制御弁駆動用の高周波
パルス幅増幅器を示す回路図である。
１……デイザー用三角波発生器、２……加算器
、３……電流帰還加算器、４……ローパスフイル
タ、５……ＰＷＭ用コンパレータ、６……高周波
ＰＷＭ用基準三角波発生器、７……パワートラン
ジスタ、８……ソレノイドコイル、１２……合成
用加算器、ＤＣ……デイザー用三角波発生器の出
力信号、ＰＳ……ＰＷＭ用基準三角波発生器の出
力信号、ＣＶ……指令電圧、ＣＶ′……指令信号
、ＯＳ……出力電圧信号、ＴＳ……合成信号、Ｉ
……電流。
FIG. 1 is a circuit diagram showing an embodiment of a high frequency pulse width modulation amplifier for driving an electromagnetic proportional control valve according to the present invention;
FIG. 2 is a graph showing the operation of this embodiment and the current value flowing through the solenoid coil of the electromagnetic proportional control valve, and FIG. 3 is a circuit diagram showing a conventional high frequency pulse width amplifier for driving the electromagnetic proportional control valve. 1... Triangular wave generator for dither, 2... Adder, 3... Current feedback adder, 4... Low pass filter, 5... Comparator for PWM, 6... Reference triangular wave generator for high frequency PWM, 7... Power transistor, 8... Solenoid coil, 12... Adder for synthesis, DC... Output signal of triangular wave generator for dither, PS... Output signal of reference triangular wave generator for PWM, CV... Command voltage, CV' ...Command signal, OS...Output voltage signal, TS...Composition signal, I
...Electric current.
Claims (1)
てデイザーをかけながら、高周波パルス幅変調用
基準三角波発生器の出力信号によつて指令信号に
対応してパワートランジスタをＯＮ、ＯＦＦ制御
し、それによつて前記電磁比例制御弁を駆動する
高周波パルス幅変調増幅器において、前記デイザ
ー用三角波発生器の出力信号と前記高周波パルス
幅変調用基準三角波発生器の出力信号とを加算器
で合成した後、その合成された信号と前記指令信
号とをパルス幅変調用コンパレータで比較するこ
とによつて、前記パワートランジスタをＯＮ、Ｏ
ＦＦ制御するための出力電圧信号を得るように構
成したことを特徴とする電磁比例制御弁駆動用の
高周波パルス幅変調増幅器。 (2) 前記デイザー用三角波発生器の出力信号が
約５０〜２００Ｈｚの周波数の範囲で調整可能で
あり、前記高周波パルス幅変調用基準三角波発生
器の出力信号が約１０ＫＨｚの周波数に設定され
ている実用新案登録請求の範囲第１項記載の電磁
比例制御弁駆動用の高周波パルス幅変調増幅器。[Claims for Utility Model Registration] (1) While applying dither using the output signal of the triangular wave generator for dithering, the power transistor is in a high frequency pulse width modulation amplifier that controls ON and OFF of the electromagnetic proportional control valve, and thereby controls the output signal of the dither triangular wave generator and the output signal of the high frequency pulse width modulation reference triangular wave generator. After combining in an adder, the combined signal and the command signal are compared with a pulse width modulation comparator to turn on and off the power transistor.
A high frequency pulse width modulation amplifier for driving an electromagnetic proportional control valve, characterized in that it is configured to obtain an output voltage signal for FF control. (2) The output signal of the dither triangular wave generator is adjustable in a frequency range of about 50 to 200 Hz, and the output signal of the high frequency pulse width modulation reference triangular wave generator is set to a frequency of about 10 KHz. A high frequency pulse width modulation amplifier for driving an electromagnetic proportional control valve according to claim 1 of the utility model registration claim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17983986U JPH0328223Y2 (en) | 1986-11-22 | 1986-11-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17983986U JPH0328223Y2 (en) | 1986-11-22 | 1986-11-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6384476U true JPS6384476U (en) | 1988-06-02 |
| JPH0328223Y2 JPH0328223Y2 (en) | 1991-06-18 |
Family
ID=31123255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17983986U Expired JPH0328223Y2 (en) | 1986-11-22 | 1986-11-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0328223Y2 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01319811A (en) * | 1988-06-21 | 1989-12-26 | Rinnai Corp | Proportionate valve driving circuit |
| JPH02256981A (en) * | 1988-12-01 | 1990-10-17 | Daikin Ind Ltd | Hydraulic control device |
| JPH0460288A (en) * | 1990-06-26 | 1992-02-26 | Rinnai Corp | Proportional valve drive device |
| JP2017061978A (en) * | 2015-09-24 | 2017-03-30 | リンナイ株式会社 | Proportional valve drive device |
| JPWO2017014216A1 (en) * | 2015-07-21 | 2018-04-05 | アイシン・エィ・ダブリュ株式会社 | Control device |
-
1986
- 1986-11-22 JP JP17983986U patent/JPH0328223Y2/ja not_active Expired
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01319811A (en) * | 1988-06-21 | 1989-12-26 | Rinnai Corp | Proportionate valve driving circuit |
| JPH02256981A (en) * | 1988-12-01 | 1990-10-17 | Daikin Ind Ltd | Hydraulic control device |
| JPH0460288A (en) * | 1990-06-26 | 1992-02-26 | Rinnai Corp | Proportional valve drive device |
| JPWO2017014216A1 (en) * | 2015-07-21 | 2018-04-05 | アイシン・エィ・ダブリュ株式会社 | Control device |
| JP2017061978A (en) * | 2015-09-24 | 2017-03-30 | リンナイ株式会社 | Proportional valve drive device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0328223Y2 (en) | 1991-06-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0681430B2 (en) | Control device for automobile charging generator | |
| JPS6384476U (en) | ||
| JPH0132754B2 (en) | ||
| JPH0331500Y2 (en) | ||
| JPH0379959B2 (en) | ||
| JPH0280822U (en) | ||
| SU928604A1 (en) | Pulse-width converter control device | |
| JPH0377286U (en) | ||
| JPS59132396U (en) | Pulse motor drive circuit | |
| JPS635438Y2 (en) | ||
| JPS6268491U (en) | ||
| JPS61176615U (en) | ||
| JPS62149280U (en) | ||
| JPS61143213U (en) | ||
| JPS61282630A (en) | Coil control circuit for electromagnetic clutch, brake and the like | |
| JPS62254671A (en) | Control circuit of inverter for driving motor | |
| JPH01116600U (en) | ||
| JPS6264190U (en) | ||
| JPH0354398U (en) | ||
| JPS6165891U (en) | ||
| JPS6363091U (en) | ||
| JPS6434838U (en) | ||
| JPS59179491U (en) | Pulse width modulation type inverter device | |
| JPH03113132U (en) | ||
| JPS62168600U (en) |