JPH0240175U - - Google Patents
Info
- Publication number
- JPH0240175U JPH0240175U JP11868588U JP11868588U JPH0240175U JP H0240175 U JPH0240175 U JP H0240175U JP 11868588 U JP11868588 U JP 11868588U JP 11868588 U JP11868588 U JP 11868588U JP H0240175 U JPH0240175 U JP H0240175U
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric actuator
- inrush current
- current limiting
- piezoelectric
- limiting element
- 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
- 238000007599 discharging Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Electrically Driven Valve-Operating Means (AREA)
Description
第１図は本考案の一実施例を示す縦断面図、第
２図は圧電アクチユエータの駆動回路の一例を示
す構成図、第３図は圧電アクチユエータの駆動回
路の他の例を示す構成図である。
８，９……弁座、１０……圧電アクチユエータ
、１１……弁体、１６……制御装置、１８……電
源、Ｒ１……突入電流制限抵抗、Ｒ２……放電抵
抗、Ｌ……突入電流制限コイル、Ｄ……ダイオー
ド。
FIG. 1 is a longitudinal sectional view showing an embodiment of the present invention, FIG. 2 is a configuration diagram showing an example of a drive circuit for a piezoelectric actuator, and FIG. 3 is a configuration diagram showing another example of a drive circuit for a piezoelectric actuator. be. 8, 9...Valve seat, 10...Piezoelectric actuator, 11...Valve body, 16...Control device, 18...Power source, R1 ...Inrush current limiting resistance, R2 ...Discharge resistance, L... Inrush current limiting coil, D... diode.
Claims (1)
ータを備え、該圧電アクチユエータにより弁体を
駆動して弁座を開閉させるようにしたものにおい
て、 上記圧電アクチユエータと電源との間に、該圧
電アクチユエータの突入電流を制限する突入電流
制限素子と、圧電アクチユエータの放電回路を構
成する放電抵抗と、圧電アクチユエータの放電時
に上記突入電流制限素子を短絡するダイオードと
を備えた制御装置を接続してなる、 ことを特徴とする圧電バルブ。[Claims for Utility Model Registration] A device comprising a piezoelectric actuator that deflects when a voltage is applied, the piezoelectric actuator driving a valve body to open and close a valve seat, wherein: between the piezoelectric actuator and a power source , a control device including an inrush current limiting element that limits the inrush current of the piezoelectric actuator, a discharge resistor that constitutes a discharge circuit of the piezoelectric actuator, and a diode that shorts the inrush current limiting element when the piezoelectric actuator is discharging is connected. A piezoelectric valve characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988118685U JPH0740782Y2 (en) | 1988-09-09 | 1988-09-09 | Piezoelectric valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988118685U JPH0740782Y2 (en) | 1988-09-09 | 1988-09-09 | Piezoelectric valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0240175U true JPH0240175U (en) | 1990-03-19 |
| JPH0740782Y2 JPH0740782Y2 (en) | 1995-09-20 |
Family
ID=31363243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988118685U Expired - Lifetime JPH0740782Y2 (en) | 1988-09-09 | 1988-09-09 | Piezoelectric valve |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0740782Y2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101155116B1 (en) * | 2009-12-11 | 2012-06-11 | 인지컨트롤스 주식회사 | Piezo valve |
| KR101154496B1 (en) * | 2009-12-11 | 2012-06-13 | 인지컨트롤스 주식회사 | Piezo valve piezo valve |
| KR101154497B1 (en) * | 2012-04-12 | 2012-06-13 | 인지컨트롤스 주식회사 | Piezo valve |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2391556T3 (en) | 2002-05-03 | 2012-11-27 | Donnelly Corporation | Object detection system for vehicles |
| US7526103B2 (en) | 2004-04-15 | 2009-04-28 | Donnelly Corporation | Imaging system for vehicle |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5699927A (en) * | 1980-01-16 | 1981-08-11 | Fujitsu Ltd | Rush current preventing circuit |
| JPS57132731A (en) * | 1981-02-04 | 1982-08-17 | Mitsubishi Electric Corp | Dc power source device |
| JPS6396377A (en) * | 1986-10-14 | 1988-04-27 | Hitachi Metals Ltd | Piezo-electric valve driving circuit |
-
1988
- 1988-09-09 JP JP1988118685U patent/JPH0740782Y2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5699927A (en) * | 1980-01-16 | 1981-08-11 | Fujitsu Ltd | Rush current preventing circuit |
| JPS57132731A (en) * | 1981-02-04 | 1982-08-17 | Mitsubishi Electric Corp | Dc power source device |
| JPS6396377A (en) * | 1986-10-14 | 1988-04-27 | Hitachi Metals Ltd | Piezo-electric valve driving circuit |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101155116B1 (en) * | 2009-12-11 | 2012-06-11 | 인지컨트롤스 주식회사 | Piezo valve |
| KR101154496B1 (en) * | 2009-12-11 | 2012-06-13 | 인지컨트롤스 주식회사 | Piezo valve piezo valve |
| KR101154497B1 (en) * | 2012-04-12 | 2012-06-13 | 인지컨트롤스 주식회사 | Piezo valve |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0740782Y2 (en) | 1995-09-20 |