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Capacitor self-discharging circuit

A self-discharge and capacitor charging technology, applied in battery circuit devices, circuit devices, current collectors, etc., can solve the problems of high energy consumption, low temperature tolerance, long discharge time, etc.

Pending Publication Date: 2021-05-18
梁世冬
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The invention provides a capacitor self-discharging circuit. After the capacitor is charged, it needs to be discharged. At present, parallel resistors are used to discharge at both ends of the capacitor. In this way, if the resistance at both ends of the capacitor is too large, the discharge time will be longer, and if the resistance is too small, it will be wasted. If it is too large, when the capacitor is powered for a long time, it will consume more energy. When the relay is used to discharge the capacitor, the cost is too high. When the triode is used to automatically discharge the capacitor, the safe working area of ​​the triode is too narrow and the temperature is low. The invention provides A capacitive self-discharge circuit controlled by a MOS tube overcomes the above-mentioned shortcomings

Method used

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  • Capacitor self-discharging circuit

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Embodiment Construction

[0012] The present invention will be further described below in conjunction with accompanying drawing:

[0013] The capacitor charging positive line 1 is connected to the capacitor positive terminal 10, and the capacitor charging negative line 2 is connected to the capacitor negative terminal 11 through a diode 13. Charging, the MOS tube gate 7 is connected to the capacitor charging negative line 2 through the low resistance 3, and the MOS tube grid 7 is connected to the capacitor positive terminal 10 through the high resistance 9, the resistance of the high resistance 9 is larger than the resistance of the low resistance 3, and the MOS tube leaks Pole 6 is connected to capacitor positive terminal 10 through discharge resistor 8, and MOS tube source 5 is connected to capacitor negative terminal 11. When the power supply connected to capacitor charging positive line 1 and capacitor charging negative line 2 charges capacitor 12, because high The resistance of the resistor 9 is l...

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Abstract

The invention provides a capacitor self-discharging circuit which is controlled by using an MOS transistor, can automatically discharge after a capacitor charging power supply is disconnected, and has the characteristics of low loss, low calorific value, wide safe working area, short response time and small influence of temperature and radiation.

Description

technical field [0001] The invention provides a capacitive self-discharging circuit, a capacitive self-discharging circuit controlled by a MOS tube, which has the characteristics of low loss, low calorific value, wide safe working area, fast response time, and little influence by temperature and radiation. Background technique [0002] The invention provides a capacitor self-discharging circuit. After the capacitor is charged, it needs to be discharged. At present, parallel resistors are used to discharge at both ends of the capacitor. In this way, if the resistance at both ends of the capacitor is too large, the discharge time will be longer, and if the resistance is too small, it will be wasted. If it is too large, when the capacitor is powered for a long time, it will consume more energy. When the relay is used to discharge the capacitor, the cost is too high. When the triode is used to automatically discharge the capacitor, the safe working area of ​​the triode is too nar...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J7/00
CPCH02J7/00
Inventor 梁世冬
Owner 梁世冬