OUTPUT DEVICE
To provide an output device capable of enhancing display accuracy of a frequency detection value at a display part.SOLUTION: An induction heating apparatus comprises: a power supply circuit that outputs a high-frequency current; a detection part 34 for detecting a frequency of the high-frequency cur...
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Zusammenfassung: | To provide an output device capable of enhancing display accuracy of a frequency detection value at a display part.SOLUTION: An induction heating apparatus comprises: a power supply circuit that outputs a high-frequency current; a detection part 34 for detecting a frequency of the high-frequency current and generating a clock signal on the basis of the detected frequency; a frequency divider 44 that generates a plurality of frequency division signals by frequency-dividing the clock signal from the detection part 34 at each of a plurality of frequency division ratios; an input part 38 for receiving selection of a specific frequency mode setting signal from among a plurality of frequency mode setting signal; a selector 46 that receives input of the plurality of frequency division signals from the frequency divider 44 and input of the specific frequency mode setting signal from the input part 38, and selects a specific frequency division signal corresponding to the specific frequency mode setting signal from among the plurality of frequency division signals; and a DA conversion part 48 for converting the specific frequency division signal from the selector 46 into an analog voltage signal, and outputting the analog voltage signal to a display part 43.SELECTED DRAWING: Figure 2
【課題】表示部における周波数の検出値の表示精度を高めることができる出力装置を提供する。【解決手段】誘導加熱装置は、高周波電流を出力する電源回路と、高周波電流の周波数を検出し、検出した周波数に基づいてクロック信号を生成する検出部34と、検出部34からのクロック信号を異なる複数の分周比でそれぞれ分周することにより複数の分周信号を生成する分周器44と、複数の周波数モード設定信号のうち特定の周波数モード設定信号が選択されたことを受け付ける入力部38と、分周器44からの複数の分周信号及び入力部38からの特定の周波数モード設定信号が入力され、複数の分周信号のうち特定の周波数モード設定信号に対応する特定の分周信号を選択するセレクタ46と、セレクタ46からの特定の分周信号をアナログ電圧信号に変換し、当該アナログ電圧信号を表示部43に出力するDA変換部48とを備える。【選択図】図2 |
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