JPS5543225A - Driving controlling apparatus of electromagnetic pump - Google Patents
Driving controlling apparatus of electromagnetic pumpInfo
- Publication number
- JPS5543225A JPS5543225A JP11500078A JP11500078A JPS5543225A JP S5543225 A JPS5543225 A JP S5543225A JP 11500078 A JP11500078 A JP 11500078A JP 11500078 A JP11500078 A JP 11500078A JP S5543225 A JPS5543225 A JP S5543225A
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- coil
- flows
- square wave
- current
- 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
- Electromagnetic Pumps, Or The Like (AREA)
Abstract
PURPOSE: To eliminate the necessity or making the power source connected with an electromagnetic pump in the form of a costly constant voltage apparatus and enable the controlling apparatus to be constituted at a low cost by controlling the circuit which flows in a coil, in proportion to the operation voltage which is set at a fixed value of a square wave.
CONSTITUTION: The instruction signal for the discharge cycle of a pump, the pulse signal is formed of a signal having a square wave voltage, and the apparatus is so constituted that the current I proportional to the operation voltage VO flows in a coil 3 during the operation time T, having the constant square wave voltage VO. Accordingly, the necessity of providing an expensive constant-voltage apparatus as the power source connected to an electromagnetic pump is avoid, and an apparatus can be obtained at a low cost. Further, the voltage proportional to the value of the current which flows from the coil 3 is detected and compared with the operation voltage VO of the square wave voltage, and thus the current value is controlled. Accordingly, the value of the current which flows in the coil 3 becomes always constant, and a fixed amount of discharge flow can be obtained.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11500078A JPS5543225A (en) | 1978-09-19 | 1978-09-19 | Driving controlling apparatus of electromagnetic pump |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11500078A JPS5543225A (en) | 1978-09-19 | 1978-09-19 | Driving controlling apparatus of electromagnetic pump |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5543225A true JPS5543225A (en) | 1980-03-27 |
JPH0133674B2 JPH0133674B2 (en) | 1989-07-14 |
Family
ID=14651809
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11500078A Granted JPS5543225A (en) | 1978-09-19 | 1978-09-19 | Driving controlling apparatus of electromagnetic pump |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5543225A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5857089A (en) * | 1981-09-30 | 1983-04-05 | Mitsuwa Seiki Co Ltd | Drive device for electromagnetic pump |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50134006U (en) * | 1974-04-18 | 1975-11-05 |
-
1978
- 1978-09-19 JP JP11500078A patent/JPS5543225A/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50134006U (en) * | 1974-04-18 | 1975-11-05 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5857089A (en) * | 1981-09-30 | 1983-04-05 | Mitsuwa Seiki Co Ltd | Drive device for electromagnetic pump |
JPH024790B2 (en) * | 1981-09-30 | 1990-01-30 | Mitsuwa Seiki Co Ltd |
Also Published As
Publication number | Publication date |
---|---|
JPH0133674B2 (en) | 1989-07-14 |
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