HIGH VOLTAGE DEVICE AND X-RAY IMAGE DIAGNOSTIC DEVICE

• Main Authors: SHINDO SHOTARO, OGAWA MINA, HATSUMI SATOSHI, KAWAGUCHI YUKI
• Format: Patent
• Language: English; Japanese
• Published: 30.04.2020
• Subjects: APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS; CONTROL OR REGULATION THEREOF; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; GENERATION

To provide a highly efficient high voltage device.SOLUTION: A high voltage device includes a switching circuit 2 having a plurality of switching elements S1 to S4 and connected to a DC power supply 1, a rectifier circuit 4, a transformer 3 having a primary winding N1 connected to the switching circuit 2 and a secondary winding N2 connected to the rectifier circuit, and a control device 5 that controls the switching circuit 2, and the control device 5 has a recirculation function to turn on at least one of the switching element S1 to S4, invert the polarity of a voltage VCp2 in the secondary winding N2, and circulate an electric current between the switching circuit 2 and the transformer 3.SELECTED DRAWING: Figure 1 【課題】高効率な高電圧装置を提供する。【解決手段】複数のスイッチング素子Ｓ１〜Ｓ４を有し、直流電源１に接続されるスイッチング回路２と、整流回路４と、スイッチング回路２に接続された一次巻線Ｎ１と、整流回路に接続された二次巻線Ｎ２と、を備えたトランス３と、スイッチング回路２を制御する制御装置５と、を備え、制御装置５は、複数のスイッチング素子Ｓ１〜Ｓ４のうち少なくとも一のスイッチング素子Ｓ１〜Ｓ４をオン状態にして、二次巻線Ｎ２における電圧ＶＣｐ２の極性を反転させるように、スイッチング回路２とトランス３との間で電流を環流させる環流機能を有する。【選択図】図１