JPS5498168A - Thyrister controller - Google Patents

Thyrister controller

Info

Publication number
JPS5498168A
JPS5498168A JP495778A JP495778A JPS5498168A JP S5498168 A JPS5498168 A JP S5498168A JP 495778 A JP495778 A JP 495778A JP 495778 A JP495778 A JP 495778A JP S5498168 A JPS5498168 A JP S5498168A
Authority
JP
Japan
Prior art keywords
scr
computer
circuit
zero
microcomputer
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
Application number
JP495778A
Other languages
Japanese (ja)
Inventor
Toshio Kakizawa
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP495778A priority Critical patent/JPS5498168A/en
Publication of JPS5498168A publication Critical patent/JPS5498168A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
    • H03K17/72—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices having more than two PN junctions; having more than three electrodes; having more than one electrode connected to the same conductivity region

Abstract

PURPOSE:To provide accurate and reliable zero-volt switching of SCR with a circuit with reduced number of elements by generating gate trigger signals of SCR by using a microcomputer. CONSTITUTION:Microcomputer 30; an element with arithmetic, memory and control functions, is connected to the output terminal of constant voltage circuit 27 and the output of constant voltage diode 29 is inputted to the interruption terminal of computer 30. A program for interruption process is set by providing a write memory of flag for computer 30. With this arrangement, trigger pulses are generated by means of the interrupt program of computer 30 at such a timing where the wave form of full wave rectifying circuit 25 is set to zero level, SCR is controlled by means of transistor 32 and the load such as for example the zero volt switching of heater can be controlled accurately and reliably, thus enabling to obtain a high performance SCR control system with less circuit elements, lower cost and less power consumption.
JP495778A 1978-01-20 1978-01-20 Thyrister controller Pending JPS5498168A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP495778A JPS5498168A (en) 1978-01-20 1978-01-20 Thyrister controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP495778A JPS5498168A (en) 1978-01-20 1978-01-20 Thyrister controller

Publications (1)

Publication Number Publication Date
JPS5498168A true JPS5498168A (en) 1979-08-02

Family

ID=11598051

Family Applications (1)

Application Number Title Priority Date Filing Date
JP495778A Pending JPS5498168A (en) 1978-01-20 1978-01-20 Thyrister controller

Country Status (1)

Country Link
JP (1) JPS5498168A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55153362A (en) * 1979-05-18 1980-11-29 Matsushita Electric Ind Co Ltd Chip type semiconductor part
US4463269A (en) * 1981-11-02 1984-07-31 Olympus Optical Co., Ltd. Pump drive circuit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55153362A (en) * 1979-05-18 1980-11-29 Matsushita Electric Ind Co Ltd Chip type semiconductor part
US4463269A (en) * 1981-11-02 1984-07-31 Olympus Optical Co., Ltd. Pump drive circuit

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