a capacitor
A technology of capacitors and inner casings, applied in the field of capacitors, can solve problems such as potential safety hazards, capacitor explosions, high air pressure, etc., and achieve the effects of increasing life, improving matching accuracy, and increasing heat dissipation speed
Active Publication Date: 2019-08-30
GUANGDONG HUANGBAOSHI ELECTRONICS TECH CO LTD
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- Abstract
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Problems solved by technology
[0003] Capacitors will heat up during work, which will increase the air pressure in the closed space in the capacitor shell. If the capacitor is in a high-temperature working environment for a long time, it will easily cause the capacitor to explode, and there is a big safety hazard.
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[0018] The following are specific embodiments of the present invention and in conjunction with the accompanying drawings, the technical solutions of the present invention are further described, but the present invention is not limited to these embodiments.
[0019] Such as figure 1 As shown, the capacitor is composed of an inner casing 1, an outer casing 2, a core 3, a positive lead wire 4, a negative lead wire 5, a cooling frame 6, a slider 7, and the like. Wherein, the cooling frame 6 is made of heat conducting material, and the heat conducting material may be brass or stainless steel.
[0020] Specifically, the core 3 is set inside the inner casing 1, the positive lead-out wire 4 and the negative lead-out wire 5 are both arranged above the inner casing 1, and one end of the positive lead-out wire 4 and the negative lead-out wire 5 are both inserted into the inner shell. The inside of the housing 1 is connected with the core 3 . The gap between the inner casing 1 and the c...
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The invention provides a long-life capacitor that includes an inner casing, a core disposed in the inner casing, and a positive electrode lead wire and a negative electrode lead wire both disposed above the inner casing. One end of the positive electrode lead wire and one end of the negative electrode lead wire are connected to the core. The inner casing and the core are potted to form a potting layer 1. The inner casing is sleeved with an outer casing. An annular gap is formed between the outer casing and the inner casing. L-shaped heat dissipation frames are arranged in the annular gap. Eachof the heat dissipation frames is composed of a horizontally disposed support portion and a vertically disposed heat transfer portion. The top wall and the bottom wall of the support portion are abutted against the bottom walls of the inner casing and the outer casing respectively. The epoxy resin is potted between the inner casing and the outer casing to form a cylindrical potting layer 2. The upper end of the heat transfer portion protrudes from the potting layer 2. A plurality of connecting holes pass through the sidewall of the inner shell. The potting layer 2 extends in the connecting holes to form a connecting column connected to the potting layer 1. The long-life capacitor has a good heat dissipation effect.
Description
technical field [0001] The invention relates to a capacitor, in particular to a capacitor. Background technique [0002] Capacitors, usually referred to as capacitance for their ability to hold charges, are denoted by the letter C. Capacitors are one of the electronic components widely used in electronic equipment, and are widely used in DC blocking, coupling, bypass, filtering, tuning loops, energy conversion, control, etc. in circuits. [0003] Capacitors will generate heat during operation, which will increase the air pressure in the closed space in the capacitor shell. If the capacitor is in a high-temperature working environment for a long time, it will easily cause the capacitor to explode, which poses a great safety hazard. Contents of the invention [0004] The object of the present invention is to solve the above-mentioned problems in the existing technology, and propose a capacitor, which solves the technical problem of how to accelerate heat dissipation. [00...
Claims
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IPC IPC(8): H01G2/08H01G2/10
Inventor 牛磊落张梦梅
Owner GUANGDONG HUANGBAOSHI ELECTRONICS TECH CO LTD