JPH0233357U - - Google Patents
Info
- Publication number
- JPH0233357U JPH0233357U JP11169288U JP11169288U JPH0233357U JP H0233357 U JPH0233357 U JP H0233357U JP 11169288 U JP11169288 U JP 11169288U JP 11169288 U JP11169288 U JP 11169288U JP H0233357 U JPH0233357 U JP H0233357U
- Authority
- JP
- Japan
- Prior art keywords
- converter transformer
- transistors
- oscillation unit
- amplifying section
- current amplifying
- 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
Links
- 239000003990 capacitor Substances 0.000 claims description 2
- 230000010355 oscillation Effects 0.000 claims 2
- 230000002265 prevention Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は、この考案の実施例を示す図、第２図
は従来技術の説明図である。
図において、１はバツテリ、２は定電圧部、３
は発振部、４は整流部、Ｃはコンデンサ、Ｒ５，
Ｒ６は抵抗、ＴＲ５はトランジスタである。なお
、図中、同一符号は同一または相当部分を示す。
FIG. 1 is a diagram showing an embodiment of this invention, and FIG. 2 is an explanatory diagram of the prior art. In the figure, 1 is the battery, 2 is the constant voltage section, and 3 is the battery.
is an oscillator, 4 is a rectifier, C is a capacitor, R5,
R6 is a resistor, and TR5 is a transistor. In addition, in the figures, the same reference numerals indicate the same or corresponding parts.
Claims (1)
動し、ＤＣ―ＤＣコンバータトランスを励振する
ための源信号を発生する発振部と、上記コンバー
タトランスを駆動する２個のトランジスタと、上
記発振部と２個のトランジスタとの間に配置した
電流増幅部と、上記コンバータトランスの二次側
に接続された整流部と、上記電流増幅部への電流
供給線に直列に接続されたトランジスタ、抵抗、
およびコンデンサを有して成る過電流防止回路と
を具備したことを特徴とする超音波探傷装置。 An oscillation unit that is operated by being supplied with power from a DC power source such as a secondary battery and generates a source signal for exciting the DC-DC converter transformer, two transistors that drive the converter transformer, and the oscillation unit. a current amplifying section disposed between and two transistors, a rectifying section connected to the secondary side of the converter transformer, a transistor connected in series to a current supply line to the current amplifying section, a resistor,
and an overcurrent prevention circuit comprising a capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11169288U JPH0233357U (en) | 1988-08-26 | 1988-08-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11169288U JPH0233357U (en) | 1988-08-26 | 1988-08-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0233357U true JPH0233357U (en) | 1990-03-02 |
Family
ID=31349967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11169288U Pending JPH0233357U (en) | 1988-08-26 | 1988-08-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0233357U (en) |
-
1988
- 1988-08-26 JP JP11169288U patent/JPH0233357U/ja active Pending