Power supply isolation device
A technology of power isolation and power supply, which is applied in the direction of circuit devices, emergency protection circuit devices, power supply testing, etc., can solve the problems of missed judgment, influence of test results, misjudgment, etc., and achieve interference suppression, convenient storage, and strong anti-interference ability Effect
Inactive Publication Date: 2021-12-14
ELECTRIC POWER RES INST OF GUANGXI POWER GRID CO LTD
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Problems solved by technology
In the winding deformation test and partial discharge test, the judgment of the test results largely depends on the judgment of the spectrum, but the instrument is often affected by various interference signals during the test process, which makes the test results abnormal and affects the test results. Judgment, which brings troubles to the testing work of the test personnel, sometimes even misjudgments and missed judgments, and also brings hidden dangers to the safe operation of power equipment
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[0030] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Apparently, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0031] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical The orientations or positional relationships indicated by "straight", "horizontal", "top", "bottom", "inner" and "outer" are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and sim...
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The invention relates to a power supply isolation device, and relates to the technical field of power supply control. The device comprises an isolation transformer, a filter, an overvoltage protection device, a fuse, a volt-ammeter, a switch, a socket, a power supply jack, a shell, a power supply wire bag, a power supply indicating lamp and a grounding terminal. The isolation transformer and the filter can filter various interferences through isolation and filtering; the volt-ammeter can enable a user to intuitively, conveniently and quickly judge the state of the output power supply; the power line bag enables the power line and the patch board to be convenient to store and carry, prevents loss, and is connected with the top of the housing through a magic tape. The device has the advantages of high anti-interference capability, comprehensive protection, convenience in monitoring, convenience in use and the like, interference from a power supply can be effectively eliminated, and a reliable and high-quality power supply is provided for measurement work.
Description
technical field [0001] The invention belongs to the technical field of power supply control, and in particular relates to a power supply isolation device. Background technique [0002] There are various interference signals in the 220V power line due to corona discharge and strong electromagnetic environment in the substation. In the winding deformation test and partial discharge test, the judgment of the test results largely depends on the judgment of the spectrum, but the instrument is often affected by various interference signals during the test process, which makes the test results abnormal and affects the test results. Judgment brings troubles to the test personnel's testing work, and sometimes even misjudgments and missed judgments also bring hidden dangers to the safe operation of power equipment. The interference from the power supply accounts for a large proportion of the interference that affects the test results, especially when the electromagnetic interference ...
Claims
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Patent Timeline
Login to View More IPC IPC(8): H02M1/12H02M1/32H02H9/04H02H3/08G01R31/42
CPCH02M1/12H02M1/32H02H9/04H02H3/08G01R31/42
Inventor 陈梁远余长厅赵坚黎大健张磊饶夏锦李锐潘绍明
Owner ELECTRIC POWER RES INST OF GUANGXI POWER GRID CO LTD