JP3969012B2 - 直流電源装置 - Google Patents

直流電源装置 Download PDF

Info

Publication number
JP3969012B2
JP3969012B2 JP2001111025A JP2001111025A JP3969012B2 JP 3969012 B2 JP3969012 B2 JP 3969012B2 JP 2001111025 A JP2001111025 A JP 2001111025A JP 2001111025 A JP2001111025 A JP 2001111025A JP 3969012 B2 JP3969012 B2 JP 3969012B2
Authority
JP
Japan
Prior art keywords
power supply
current value
predetermined time
current
value
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.)
Expired - Fee Related
Application number
JP2001111025A
Other languages
English (en)
Japanese (ja)
Other versions
JP2002315321A5 (enExample
JP2002315321A (ja
Inventor
栄二 中山
岳史 武田
信宏 高野
一彦 船橋
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.)
Koki Holdings Co Ltd
Original Assignee
Hitachi Koki 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 Hitachi Koki Co Ltd filed Critical Hitachi Koki Co Ltd
Priority to JP2001111025A priority Critical patent/JP3969012B2/ja
Publication of JP2002315321A publication Critical patent/JP2002315321A/ja
Publication of JP2002315321A5 publication Critical patent/JP2002315321A5/ja
Application granted granted Critical
Publication of JP3969012B2 publication Critical patent/JP3969012B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Dc-Dc Converters (AREA)
JP2001111025A 2001-04-10 2001-04-10 直流電源装置 Expired - Fee Related JP3969012B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2001111025A JP3969012B2 (ja) 2001-04-10 2001-04-10 直流電源装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001111025A JP3969012B2 (ja) 2001-04-10 2001-04-10 直流電源装置

Publications (3)

Publication Number Publication Date
JP2002315321A JP2002315321A (ja) 2002-10-25
JP2002315321A5 JP2002315321A5 (enExample) 2005-06-23
JP3969012B2 true JP3969012B2 (ja) 2007-08-29

Family

ID=18962703

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001111025A Expired - Fee Related JP3969012B2 (ja) 2001-04-10 2001-04-10 直流電源装置

Country Status (1)

Country Link
JP (1) JP3969012B2 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014023271A (ja) 2012-07-18 2014-02-03 Hitachi Koki Co Ltd 電源装置
JP2016136814A (ja) * 2015-01-23 2016-07-28 株式会社Ｎｔｔファシリティーズ 電力変換装置および電力変換装置の制御方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2829863B2 (ja) * 1989-05-31 1998-12-02 キヤノン株式会社 電源装置
JP2523954Y2 (ja) * 1990-12-19 1997-01-29 横河電機株式会社 過電流保護システム
JP3567721B2 (ja) * 1998-03-13 2004-09-22 日立工機株式会社 直流電源装置

Also Published As

Publication number Publication date
JP2002315321A (ja) 2002-10-25

Similar Documents

Publication Publication Date Title
EP1528653B1 (en) DC power source with battery charging function
JP3783576B2 (ja) 充電機能付き直流電源装置
US6495932B1 (en) DC power source unit
US20200036307A1 (en) Ac power adapter having a switchable capacitor
US7791847B2 (en) Fault-sensing and protecting apparatus for soft start circuit of inverter and method for the same
CN101689829A (zh) 电动工具以及用于电动工具的电器开关
CN101416366A (zh) 使用由车辆供电的ac逆变器的由电池供电的焊机系统
US6765317B2 (en) Power supply module for electrical power tools
US20020038795A1 (en) Power supply apparatus
EP3235118B1 (en) Power tool with electric motor and auxiliary switch path
JP3969012B2 (ja) 直流電源装置
JP2000184614A (ja) 充電機能付き直流電源装置
CN210669603U (zh) 一种电池充电器的自动保护电路
JP2545437Y2 (ja) バッテリ駆動溶接装置
JP2010154703A (ja) 充電装置
KR100536583B1 (ko) 부하를 감지하는 전원 어댑터 및 이와 함께 사용하는데 적합한휴대용 전자 장치
JP4078603B2 (ja) 充電機能付き直流電源装置
JPH04165957A (ja) Ａｃアダプター
JPH01109270A (ja) 停電検出回路
CN112313027A (zh) 电弧焊接机
JP2005269747A (ja) 電気機器
JP3463724B2 (ja) 電気機器における保護回路
KR20070006969A (ko) 상용교류전원 및 퍼스널 컴퓨터의 직류전원을 이용한단말기에 내장된 2차전지의 충전장치
JPH11185825A (ja) 電池の充電法
JP2000175371A (ja) 電池の充電装置

Legal Events

Date Code Title Description
A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20040928

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20040928

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20040928

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20060809

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20060822

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20061023

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20070515

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20070528

R150 Certificate of patent or registration of utility model

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20100615

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110615

Year of fee payment: 4

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110615

Year of fee payment: 4

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120615

Year of fee payment: 5

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130615

Year of fee payment: 6

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20140615

Year of fee payment: 7

LAPS Cancellation because of no payment of annual fees