JPS5449529A - Dc power source unit - Google Patents

Dc power source unit

Info

Publication number
JPS5449529A
JPS5449529A JP11597077A JP11597077A JPS5449529A JP S5449529 A JPS5449529 A JP S5449529A JP 11597077 A JP11597077 A JP 11597077A JP 11597077 A JP11597077 A JP 11597077A JP S5449529 A JPS5449529 A JP S5449529A
Authority
JP
Japan
Prior art keywords
unit
rectification
source
voltage
switching 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.)
Pending
Application number
JP11597077A
Other languages
Japanese (ja)
Inventor
Suzuo Kojima
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP11597077A priority Critical patent/JPS5449529A/en
Publication of JPS5449529A publication Critical patent/JPS5449529A/en
Pending legal-status Critical Current

Links

Landscapes

  • Rectifiers (AREA)
  • Direct Current Feeding And Distribution (AREA)

Abstract

PURPOSE: To provided the subject unit wherein a switch is automatically changed over from the half-wave rectification at the time of high tension to the voltage doubling rectification at the time of low tension, whereby even when the unit is connected to any source, the device can be operated in the normal operation.
CONSTITUTION: The unit is provided with a voltage detection circuit 7 which detects the voltage value of an AC source 1 and generates a signal in response to the detected value. The unit discriminates the intensity of the voltage to open and close a switching element consisting of triack SD and thyristor CRI. With respect to the connection to the high tension AC source, the switching element is opened to carry out half-wave rectification, whereas with respect to the connection to the low tension rectification, the switching element is closed to carry out voltage doubling rectification For this reason, even when a source plug is inserted into any of, for example, 100 V and 240 V sources, half-wave rectification and voltage doubling rectification are automatically changed, and hence a DC power source unit capable of normally operating can be obtained without destroying the load and parts within the unit
COPYRIGHT: (C)1979,JPO&Japio
JP11597077A 1977-09-26 1977-09-26 Dc power source unit Pending JPS5449529A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11597077A JPS5449529A (en) 1977-09-26 1977-09-26 Dc power source unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11597077A JPS5449529A (en) 1977-09-26 1977-09-26 Dc power source unit

Publications (1)

Publication Number Publication Date
JPS5449529A true JPS5449529A (en) 1979-04-18

Family

ID=14675633

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11597077A Pending JPS5449529A (en) 1977-09-26 1977-09-26 Dc power source unit

Country Status (1)

Country Link
JP (1) JPS5449529A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57186137U (en) * 1981-05-20 1982-11-26

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57186137U (en) * 1981-05-20 1982-11-26

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