Voltage equalizing device for high voltage ceramic capacitor
A voltage equalizing device, high-voltage ceramic technology, applied in the parts of fixed capacitors, the dielectric of fixed capacitors, the terminals of fixed capacitors, etc., can solve the problems of transmission signal distortion, transmission signal interference of smart grid, uneven distribution of electromagnetic field of ceramic capacitors, etc. , to achieve the effect of uniform distribution and avoid signal interference
Pending Publication Date: 2019-12-17
西安市西无二电子信息集团有限公司
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Problems solved by technology
In the actual use process, this type of ceramic capacitor has great interference to the transmission signal of the smart grid, which will cause the transmission signal to be distorted, and cannot meet the accuracy requirements of the smart grid for the transmission signal
After analysis, it is known that the large interference phenomenon is caused by the uneven distribution of the electromagnetic field of the ceramic capacitor.
Method used
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[0014] For above-mentioned technical scheme, give preferred embodiment now and describe it specifically in conjunction with drawing, refer to Figure 1 to Figure 4 .
[0015] Ceramic capacitors, including ceramic chips, conductive layers, electrodes and insulating resin layers. The ceramic chip 1 has a cylindrical shape and is formed by molding and sintering ceramic materials. A conductive layer of a certain thickness is evenly coated on both ends of the ceramic capacitor chip. The material of the conductive layer is generally silver. Generally, the conductive layer can be formed by coating silver paste on both ends of the ceramic chip and then sintering. . The electrode 3 is fixedly arranged on the central part of the conductive layer by welding. In this embodiment, the electrode 2 is a columnar structure, and one end of the electrode welded to the conductive layer protrudes outside the columnar structure to form a connection base 3 with a larger cross-section. The connec...
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Abstract
The invention relates to a voltage equalizing device for a high voltage ceramic capacitor. The voltage equalizing device comprises a ceramic chip, a conductive layer arranged on the two end surfaces of the ceramic chip and an electrode arranged on the conductive layer. The voltage equalizing device is characterized in that a conductive voltage equalizing device is respectively arranged on the electrodes at the two ends of the ceramic chip, and the voltage equalizing device covers the conductive layer. The phenomenon of uneven distribution of the electric field caused by dislocation of the electrodes at the two ends can be avoided through the voltage equalizing device, and the electric field is evenly distributed at the edges of the opposite conductive discs at the two ends so as to realizeeven distribution of the electric field of the ceramic capacitor, and the signal interference caused by uneven distribution of the electric field of the ceramic capacitor on the high-voltage smart grid can be avoided.
Description
technical field [0001] The invention relates to the field of electronic components, in particular to a voltage equalizing device for a high-voltage ceramic capacitor. Background technique [0002] Ceramic capacitors are generally in the shape of sheets and cylinders. The ceramic material is used as the medium for molding and sintering, and then a conductive layer is coated on both ends, and electrodes are arranged on the conductive layer, and then encapsulated by insulating resin. The electrode serves as the lead-out end of the ceramic capacitor for external circuit connection. High-voltage pulse ceramic capacitors are generally used in the power industry or military industry, and can play the role of metering, voltage division, and energy storage. A high-voltage ceramic capacitor currently used in high-voltage smart grids includes a ceramic capacitor chip. Both ends of the ceramic chip are coated with a conductive layer. The conductive layer is generally formed by coating...
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IPC IPC(8): H01G4/228H01G4/12H01G4/002H01G4/252
CPCH01G4/228H01G4/12H01G4/002H01G4/252
Inventor 杨斌张西鹏和鸿庆
Owner 西安市西无二电子信息集团有限公司