VOLTAGE DETECTION CIRCUIT, VOLTAGE MONITORING CIRCUIT, COOLING DEVICE, AND CONTAINER COOLING DEVICE

To provide a miniaturized voltage detection circuit for detecting high voltage.SOLUTION: A voltage detection circuit provided herein is connected to an AC power supply 40 and is provided with an AC voltage divider circuit 11 with voltage divider resistors R1, R2, R3, R4 for dividing AC voltage from...

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Bibliographic Details
Main Authors MATSUI SUSUMU, ISHIDA TAKAAKI
Format Patent
LanguageEnglish
Japanese
Published 24.10.2019
Subjects
BLASTING
COLD ROOMS
COMBINED HEATING AND REFRIGERATION SYSTEMS
COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHERSUBCLASS
HEAT PUMP SYSTEMS
HEATING
ICE-BOXES
LIGHTING
LIQUEFACTION SOLIDIFICATION OF GASES
MANUFACTURE OR STORAGE OF ICE
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
MECHANICAL ENGINEERING
PHYSICS
REFRIGERATION OR COOLING
REFRIGERATORS
TESTING
WEAPONS
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Summary:To provide a miniaturized voltage detection circuit for detecting high voltage.SOLUTION: A voltage detection circuit provided herein is connected to an AC power supply 40 and is provided with an AC voltage divider circuit 11 with voltage divider resistors R1, R2, R3, R4 for dividing AC voltage from the AC power supply 40, as well as a rectifier section 12 for rectifying the AC voltage divided by the AC voltage divider circuit 11, where the output of the rectifier section is connected to a V/F converter 14.SELECTED DRAWING: Figure 1 【課題】小型化された高圧の電圧を検出する電圧検出回路を提供する。【解決手段】電圧検出回路において、交流電源４０に接続され、この交流電源４０の交流電圧を分圧する分圧抵抗Ｒ１，Ｒ２，Ｒ３，Ｒ４を有した交流分圧回路１１を設ける。また交流分圧回路１１によって分圧された交流電圧を整流する整流部１２を設け、その出力はＶ／Ｆ変換器１４に接続される。【選択図】図１
Bibliography:Application Number: JP20190040134