JPS5543225A - Driving controlling apparatus of electromagnetic pump - Google Patents

Driving controlling apparatus of electromagnetic pump

Info

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
Application number
JP11500078A
Other languages
Japanese (ja)
Other versions
JPH0133674B2 (en
Inventor
Yuzo Koyanagi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MITSUWA SEIKI CO Ltd
Sanwa Seiki Ltd
Original Assignee
MITSUWA SEIKI CO Ltd
Sanwa Seiki Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by MITSUWA SEIKI CO Ltd, Sanwa Seiki Ltd filed Critical MITSUWA SEIKI CO Ltd
Priority to JP11500078A priority Critical patent/JPS5543225A/en
Publication of JPS5543225A publication Critical patent/JPS5543225A/en
Publication of JPH0133674B2 publication Critical patent/JPH0133674B2/ja
Granted legal-status Critical Current

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
JP11500078A 1978-09-19 1978-09-19 Driving controlling apparatus of electromagnetic pump Granted JPS5543225A (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50134006U (en) * 1974-04-18 1975-11-05

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50134006U (en) * 1974-04-18 1975-11-05

Cited By (2)

* Cited by examiner, † Cited by third party
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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