JPH0454494U - - Google Patents

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Publication number
JPH0454494U
JPH0454494U JP9638690U JP9638690U JPH0454494U JP H0454494 U JPH0454494 U JP H0454494U JP 9638690 U JP9638690 U JP 9638690U JP 9638690 U JP9638690 U JP 9638690U JP H0454494 U JPH0454494 U JP H0454494U
Authority
JP
Japan
Prior art keywords
switching
pulse width
rectifying
output
switching signals
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
JP9638690U
Other languages
Japanese (ja)
Other versions
JP2561351Y2 (en
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 filed Critical
Priority to JP1990096386U priority Critical patent/JP2561351Y2/en
Publication of JPH0454494U publication Critical patent/JPH0454494U/ja
Application granted granted Critical
Publication of JP2561351Y2 publication Critical patent/JP2561351Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案のインバータ回路の一実施例を
示す系統図、第２図は第１図の波形説明図、第３
図及び第４図は従来のインバータ回路の系統図で
ある。 ２はスイツチングトランジスタ、３はトランス
、７ａ，７ｂは整流回路、８はＰＷＭ制御回路、
１２は制御回路、１３は正弦波基準電圧発振器、
１４ａ，１４ｂはスイツチング回路である。 FIG. 1 is a system diagram showing an embodiment of the inverter circuit of the present invention, FIG. 2 is a waveform explanatory diagram of FIG. 1, and FIG.
1 and 4 are system diagrams of conventional inverter circuits. 2 is a switching transistor, 3 is a transformer, 7a and 7b are rectifier circuits, 8 is a PWM control circuit,
12 is a control circuit, 13 is a sine wave reference voltage oscillator,
14a and 14b are switching circuits.

Claims (1)

【実用新案登録請求の範囲】 交流全波信号を所定のスイツチング周波数でパ
ルス幅制御するパルス幅制御手段と、 該パルス幅制御手段で駆動される第１のスイツ
チング手段と、 該第１のスイツチング手段からのスイツチング
信号を昇降圧して、同極性のスイツチング信号を
得る昇降圧手段と、 該昇降圧手段からの複数のスイツチング信号を
整流する複数の整流手段と、 該複数の整流手段からの整流出力をフイルタす
る複数の濾波手段とを具備し、 該複数の濾波手段からの出力を交流全波信号の
所定電位で交互に切換える第２のスイツチング手
段により正弦波交流出力を得る様にして成ること
を特徴とするインバータ回路。[Claims for Utility Model Registration] Pulse width control means for controlling the pulse width of an AC full wave signal at a predetermined switching frequency; a first switching means driven by the pulse width control means; and the first switching means. step-up/down means for obtaining switching signals of the same polarity by step-up/step-down switching signals from the step-up/down means; a plurality of rectifying means for rectifying the plurality of switching signals from the step-up/down means; A sine wave AC output is obtained by a second switching means that alternately switches the output from the plurality of filtering means at a predetermined potential of the AC full wave signal. Inverter circuit.
JP1990096386U 1990-09-13 1990-09-13 Inverter circuit Expired - Lifetime JP2561351Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990096386U JP2561351Y2 (en) 1990-09-13 1990-09-13 Inverter circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990096386U JP2561351Y2 (en) 1990-09-13 1990-09-13 Inverter circuit

Publications (2)

Publication Number Publication Date
JPH0454494U true JPH0454494U (en) 1992-05-11
JP2561351Y2 JP2561351Y2 (en) 1998-01-28

Family

ID=31835873

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990096386U Expired - Lifetime JP2561351Y2 (en) 1990-09-13 1990-09-13 Inverter circuit

Country Status (1)

Country Link
JP (1) JP2561351Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114700594A (en) * 2022-03-23 2022-07-05 沈阳工业大学 Sine wave high-frequency pulse TIG welding power supply

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63164383U (en) * 1987-04-13 1988-10-26

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63164383U (en) * 1987-04-13 1988-10-26

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114700594A (en) * 2022-03-23 2022-07-05 沈阳工业大学 Sine wave high-frequency pulse TIG welding power supply
CN114700594B (en) * 2022-03-23 2024-03-22 沈阳工业大学 Sine wave high-frequency pulse TIG welding power supply

Also Published As

Publication number Publication date
JP2561351Y2 (en) 1998-01-28

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