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Integrated strong current isolating and power supply filtering circuit

A power filtering and comprehensive technology, applied in the direction of electrical components, output power conversion devices, etc., can solve the problems of precision equipment being easily affected by interference, power interference, etc., and achieve a significant anti-interference effect

Pending Publication Date: 2018-03-20
方惠娥
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] At present, when there are many large-scale equipment, power supply interference often occurs, especially the normal operation of precision equipment is more likely to be affected by interference. Although the current conventional solutions include using shielded wires, isolating power supplies, and adding filter circuits, etc., but did not fully solve the problem

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  • Integrated strong current isolating and power supply filtering circuit

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Embodiment Construction

[0009] refer to figure 1 , a comprehensive strong electric isolation and power supply filter circuit of the present invention, the filter can be selected according to the size of the on-site interference, and the gear adjustment is built in a circuit board and welded on the circuit board according to the application range of the equipment Capacitor circuits with different UFs are installed, and a 1000UF electrolytic capacitor is added to the signal receiving power supply for filtering, and then a power isolation voltage regulator is installed. After on-site debugging, an oscilloscope is required. Select 1~4.7 ceramic electrolytic capacitors for filter debugging.

[0010] The above is only a preferred embodiment of the present invention, but the present invention is not limited to the above-mentioned embodiments, as long as it achieves the technical effect of the present invention by any same or similar means, it should fall within the protection scope of the present invention ...

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Abstract

The invention discloses an integrated strong current isolating and power supply filtering circuit, which comprises a signal receiving power supply terminal, a capacitive circuit region and a wiring terminal input and output region, and is characterized in that the signal receiving power supply terminal is provided with a 1000UF electrolytic capacitor used for performing filtering and a power supply isolating voltage stabilizer, and the capacitive circuit region is provided with a plurality of 1-4.7UF ceramic electrolytic capacitors. The circuit structure can automatically select a filtering tap position according to the size of field interference, thereby achieving a significant anti-interference effect.

Description

technical field [0001] The invention relates to a comprehensive strong electric isolation and power filter circuit. Background technique [0002] At present, when there are many large-scale equipment, power supply interference often occurs, especially the normal operation of precision equipment is more likely to be affected by interference. Although the current conventional solutions include using shielded wires, isolating power supplies, and adding filter circuits, etc., but did not completely and effectively solve the problem. Contents of the invention [0003] In order to overcome the deficiencies of the prior art, the present invention provides a comprehensive strong electric isolation and power supply filter circuit, which has good effect and can select the filter gear according to the magnitude of the disturbance on site. [0004] The technical solution adopted by the present invention to solve its technical problems is: [0005] A comprehensive strong electric iso...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02M1/12H02M1/44
CPCH02M1/12H02M1/44
Inventor 方惠娥
Owner 方惠娥
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