Capacitor and electronic equipment
A technology of capacitors and conductive electrodes, which is applied in the direction of capacitors, fixed capacitor terminals, and fixed capacitor shells/packages. It can solve problems such as high voltage and current withstand of capacitors, high-temperature explosion of capacitors, and increased leakage of modules, so as to facilitate production automation. Improvement of safety and effect of protecting capacitors
Active Publication Date: 2022-02-25
HUAWEI TECH CO LTD +1
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Problems solved by technology
[0003] When the capacitor withstands too much voltage and current, or the internal pressure of the capacitor increases after the electrolyte is vaporized, it is easy to cause breakdown of the capacitor, resulting in high temperature explosion of the capacitor
Capacitor explosion will not only lead to self failure, but also may cause the electrolyte to spray out, affect the devices near the capacitor, and may cause increased leakage of the module, and even cause a fire in severe cases
Method used
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[0051]As one of the electronic components widely used in electronic equipment, the performance of capacitors is crucial to the reliability and safety of electronic equipment. Capacitors can hold charges, and their basic functions are charging and discharging. The process of charging a capacitor is called charging, and the process of making a charged capacitor lose its charge is called discharging. Using these two basic functions, capacitors can evolve into coupling, bypass, Filtering, oscillation, phase shift, waveform transformation and other functions.
[0052] figure 1 Schematic diagram of the structure of the capacitor provided for the related art. refer to figure 1 As shown, the capacitor may include a package case 100 and a core pack 200 disposed inside the package case 100. Two leads are arranged outside the core pack 200, which serve as positive and negative poles of the core pack 200 respectively. The two leads are respectively connected to the first The lead-out t...
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Abstract
The embodiment of the invention provides a capacitor and electronic equipment. The capacitor comprises a packaging shell, a core package and a first conductive electrode, wherein the core package is arranged in the packaging shell, and a lead is arranged on the core package; the first conductive electrode comprises a first leading-out terminal, a metal shell, and an elastic piece, a connecting piece and a temperature sensing body which are sequentially arranged in the metal shell, the metal shell is connected with the lead, the first leading-out terminal is fixed in the metal shell and is in insulated connection with the metal shell, and the connecting piece is movably connected and conducted with the metal shell; the temperature sensing body is used for converting from a solid state to a liquid state when the temperature in the metal shell is higher than the melting point of the temperature sensing body. The embodiment of the invention provides a capacitor and electronic equipment. Explosion prevention of the capacitor can be realized by cutting off current at high temperature.
Description
technical field [0001] The present application relates to the technical field of electrical components, in particular to a capacitor and electronic equipment. Background technique [0002] Capacitors refer to devices that hold charges. They are one of the electronic components widely used in electronic equipment. They are widely used in DC blocking, coupling, bypass, filtering, tuning loops, energy conversion, control, etc. As the power of electronic equipment increases, the arrangement of components in electronic equipment becomes more compact, and the problems caused by capacitor failure also increase. Therefore, it is imperative to improve the safety factor of capacitors and improve the failure mode. [0003] When the capacitor withstands too much voltage and current, or the internal pressure of the capacitor increases after the electrolyte is vaporized, it is easy to cause breakdown of the capacitor, resulting in high temperature explosion of the capacitor. The explosio...
Claims
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Patent Timeline
Login to View More IPC IPC(8): H01G4/224H01G4/228H01G2/16
CPCH01G4/224H01G4/228H01G2/16
Inventor 陈华言伟许校艺张万红王润申
Owner HUAWEI TECH CO LTD