Electromagnetic suppression device of endoscope system and endoscope system
An electromagnetic suppression and endoscopic technology, applied in the field of endoscopy, can solve problems such as affecting the quality of endoscopy images and mutual interference.
Inactive Publication Date: 2019-01-11
HEFEI DVL ELECTRON +1
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Problems solved by technology
However, the electromagnetic interference signals generated by each functional module during work are transmitted to other functional modules through the working power line, resulting in mutual interference between the functional modules, thereby affecting the image quality of the endoscope
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[0015] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. 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.
[0016] In a first aspect, the present invention provides an electromagnetic suppression device for an endoscope system, which can provide power for an endoscope or other devices. The electromagnetic suppression device includes a switching power supply and multiple electromagnetic interference suppression circuits, wherein:
[0017] Such as figur...
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The invention provides an electromagnetic suppression device of an endoscope system and the endoscope system. The electromagnetic suppression device comprises a switching power supply and a pluralityof electromagnetic interference suppression circuits. The switching power supply includes a first rectifier circuit, a transformer and a plurality of second rectifier circuits connected in sequence. The transformer comprises a primary winding and a plurality of secondary windings, wherein the primary winding is connected with the output terminal of the first rectifier circuit, and the plurality ofsecondary windings are connected with the input terminals of the plurality of second rectifier circuits one-to-one correspondingly. The input terminals of the plurality of electromagnetic interference suppression circuits are one-to-one correspondingly connected with the output terminals of the plurality of second rectifying circuits, and the output terminals are one-to-one correspondingly connected with the input terminals of the plurality of functional modules, and are used for suppressing bidirectional electromagnetic interference between the plurality of functional modules and the switching power supply. The invention can suppress mutual interference between each functional module.
Description
technical field [0001] The invention relates to the technical field of endoscopes, in particular to an electromagnetic suppressing device for an endoscope system and an endoscope system. Background technique [0002] At present, the cavity mirror system uses a shielding box to shield the radiation of each internal functional module to the space, thereby improving the anti-interference ability of the space radiation. However, the electromagnetic interference signal generated by each functional module is transmitted to other functional modules through the working power line when it is working, which causes mutual interference among the functional modules, thereby affecting the image quality of the endoscope. Contents of the invention [0003] (1) Solved technical problems [0004] Aiming at the deficiencies in the prior art, the present invention provides an electromagnetic suppressing device for a cavity mirror system and a cavity mirror system, which can suppress mutual i...
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Login to View More IPC IPC(8): H02M1/44
CPCH02M1/44
Inventor张林王坤傅强丁帅杨善林孙俊忠
OwnerHEFEI DVL ELECTRON