Safe metalizing film capacitor
A metallized film and capacitor technology, which is applied in the field of capacitors, can solve the problems of short circuit and excessive length of explosion-proof wires, and achieve the effect of avoiding excessive installation
Active Publication Date: 2011-11-16
SHANGHAI HAOYE ELECTRIC +1
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Problems solved by technology
[0005] The purpose of the present invention is to provide a safe metallized film capacitor, which solves the technical problems that the existing explosion-proof capacitors are easy to cause short circuit and excessive length of the explosion-proof wire during the manufacturing process, and further enhances the reliability of the explosion-proof performance of the capacitor
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[0038] see figure 1 , which is a structural schematic diagram of a safe metallized film capacitor of the present invention. As shown in the figure: it includes a cylindrical shell 7 with an opening at the upper end, an upper positioning sleeve 9 and a lower positioning sleeve 12 are installed in the outer shell 7, and a core 10 and a dipping material 11 are arranged between the upper and lower positioning sleeves; A cover 6 is arranged above the upper positioning sleeve 9 in the housing 7 . Please refer to Figure 2-5 The cover body 6 has perforations 61, 62 for the lead wires 8 (including the explosion-proof wire 16), and the upper positioning sleeve 9 also has corresponding perforations 91, 92. The lead wire 8 connected to the lower end of the terminal 1 and the explosion-proof wire 16 pass through the perforations 61, 62, 91, 92 of the above-mentioned cover body 6 and the upper positioning sleeve 9 to connect with the core 10; There is a positioning mechanism, which incl...
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The invention relates to capacitor technical field, especially a metallic membrane capacitor which comprises a cylinder casing with an upper end having an opening, an upper positioning sleeve and a lower positioning sleeve are mounted in the casing, cores and dipping materials are arranged between the upper and the lower positioning sleeves; a cap body is arranged above the upper positioning sleeve in the casing. A cap body is provided with leading-out wires, through-holes of explosion-proof wires, a corresponding through-hole is provided on the upper positioning sleeve, leading-out wires andexplosion-proof wires connecting with the lower end of the terminal are connected with the cores passing through the cap body and the through-holes of the upper positioning sleeve; a positioning mechanism is provided between the cap body and the positioning sleeve, the cap body is pressed in the casing by the curled edge inwards on the opening of the upper end of the casing. The invention solves the technical problem that the explosion-proof wires are overlong and the explosion-proof wires and the leading-out wires are in short circuit which are easy to be caused in the course of manufacturing the explosion-proof capacitor, and further increases the reliability of the capacitor explosion-proof performance.
Description
technical field [0001] The invention relates to the technical field of capacitors, in particular to a safe metallized film capacitor. Background technique [0002] In order to increase the safety of capacitors, the industry has invented capacitors with explosion-proof performance. The current explosion-proof capacitors mainly include the following structures: [0003] Upper and lower positioning sleeves are installed in a housing, and cores and impregnating materials are arranged between the upper and lower positioning sleeves; a cover is arranged above the upper positioning sleeve in the housing, and the cover has lead wires (including explosion-proof wires) ) perforations, the upper positioning sleeve also has corresponding perforations. The lead wires and explosion-proof wires connected to the lower ends of the terminals are connected to the core through the perforations of the above-mentioned cover body and the upper positioning sleeve; [0004] We know that the strai...
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IPC IPC(8): H01G4/33H01G4/224H01G2/14
Inventor 许峰潘浩张自魁
Owner SHANGHAI HAOYE ELECTRIC