JPS6415771U - - Google Patents
Info
- Publication number
- JPS6415771U JPS6415771U JP11158987U JP11158987U JPS6415771U JP S6415771 U JPS6415771 U JP S6415771U JP 11158987 U JP11158987 U JP 11158987U JP 11158987 U JP11158987 U JP 11158987U JP S6415771 U JPS6415771 U JP S6415771U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- charging
- time constant
- cutoff
- electromagnetic coil
- 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
- 239000003990 capacitor Substances 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
Landscapes
- Electromagnetic Pumps, Or The Like (AREA)
Description
第１図は本考案の一実施例を示す回路図、第２
図は各部の波形図、第３図は電圧Ｖを変化した場
合の吐出量c.c.／分の変化を示すグラフ、第４図
はコンデンサの充電時間ｔと印加電圧Ｖの関係を
示すグラフ、第５図は通電時間Ｗを変化した場合
の吐出量c.c.／分の変化を示すグラフである。
７……電磁コイル、８……時定数回路、９……
ＳＢＳ（遮断素子）、１０……電流保持回路、Ｓ
ＣＲ……制御整流素子、Ｃ３……充電コンデンサ
。
Figure 1 is a circuit diagram showing one embodiment of the present invention;
The figure is a waveform diagram of each part, Figure 3 is a graph showing the change in discharge amount cc/min when the voltage V is changed, Figure 4 is a graph showing the relationship between the charging time t of the capacitor and the applied voltage V, and Figure 5 is a graph showing the relationship between the capacitor charging time t and the applied voltage V. The figure is a graph showing changes in the discharge amount cc/min when the energization time W is changed. 7... Electromagnetic coil, 8... Time constant circuit, 9...
SBS (blocking element), 10... Current holding circuit, S
CR...Control rectifier, C3 ...Charging capacitor.
Claims (1)
磁コイルの通電を制御する制御整流素子と、前記
電磁コイルと制御整流素子の接続点に接続され、
印加電圧の変動に伴い所定の充電電圧に至る充電
時間を可変する時定数回路と、この時定数回路の
充電特性に応答して前記制御整流素子をターンオ
フするための遮断素子と、前記制御整流素子の遮
断後、前記遮断素子に一定電流を流し前記時定数
回路の充電コンデンサを放電状態にしておく電流
保持回路とを備えたことを特徴とする電磁ポンプ
駆動制御回路。 a control rectifier connected in series with the electromagnetic coil of the electromagnetic pump to control energization of the electromagnetic coil, and connected to a connection point between the electromagnetic coil and the control rectifier,
a time constant circuit that varies the charging time until a predetermined charging voltage is reached as the applied voltage fluctuates; a cutoff element that turns off the controlled rectifying element in response to charging characteristics of the time constant circuit; and the controlled rectifying element. 1. An electromagnetic pump drive control circuit comprising: a current holding circuit that causes a constant current to flow through the cutoff element to keep the charging capacitor of the time constant circuit in a discharged state after the cutoff of the electromagnetic pump drive control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11158987U JPS6415771U (en) | 1987-07-20 | 1987-07-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11158987U JPS6415771U (en) | 1987-07-20 | 1987-07-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6415771U true JPS6415771U (en) | 1989-01-26 |
Family
ID=31349767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11158987U Pending JPS6415771U (en) | 1987-07-20 | 1987-07-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6415771U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0573160U (en) * | 1992-03-09 | 1993-10-05 | 日本セイフティー株式会社 | Construction panel device |
-
1987
- 1987-07-20 JP JP11158987U patent/JPS6415771U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0573160U (en) * | 1992-03-09 | 1993-10-05 | 日本セイフティー株式会社 | Construction panel device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS6415771U (en) | ||
| JP3215273B2 (en) | Switching power supply | |
| JPS633229Y2 (en) | ||
| JPH0237273Y2 (en) | ||
| JPH0328705U (en) | ||
| JPH0345040U (en) | ||
| US3725765A (en) | Switch-type d.c. to d.c. converter | |
| JPS62124281U (en) | ||
| JPS6011752Y2 (en) | DC-DC converter | |
| JPH083195Y2 (en) | Step-up switching power supply circuit | |
| JPH0339345U (en) | ||
| JPS62185489U (en) | ||
| JPS6120999B2 (en) | ||
| JPH0353805U (en) | ||
| JPS62175643U (en) | ||
| JPS6212913U (en) | ||
| JPH03435U (en) | ||
| JPS63179792U (en) | ||
| JPH0449417B2 (en) | ||
| JPS6178316U (en) | ||
| JPS5848124A (en) | Output circuit of ringing choke type switching regulator | |
| JPH01112066U (en) | ||
| JPS6181328U (en) | ||
| JPS6281485U (en) | ||
| JPH0311339U (en) |