Power supply resistant to instantaneous high voltage
A technology of instantaneous high-voltage and high-voltage circuits, which is applied to emergency protection circuit devices, electrical components, and circuit devices for limiting overcurrent/overvoltage, and can solve problems such as power supply burnout, equipment damage, and expanded fault range. Achieve the effects of preventing surge current, easy to use, and good thermal stability
Inactive Publication Date: 2016-12-07
CHENGDU ZHIRENSHANYONG INFORMATION TECH CO LTD
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Problems solved by technology
There are many kinds of power interfaces with different voltage levels in the centralized power supply point of machinery manufacturing equipment, and sometimes the wrong choice will be used to damage the equipment; the load of the control power supply of the equipment is caused by short circuit and other reasons, causing the power supply to burn out due to overcurrent; further expansion The scope of the fault; the ability to control the power supply's ability to withstand voltage and overcurrent is an urgent problem that we need to solve
Method used
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Embodiment 1
[0026] An anti-instantaneous high-voltage power supply, including an anti-instantaneous high-voltage circuit, the output end of the anti-instantaneous high-voltage circuit is connected with an overcurrent protection circuit; the anti-instantaneous high voltage circuit includes a 220V AC power supply P1, and the 220V AC power supply P1 is connected with an overvoltage protection circuit The signal input end of 4, the output end of the overvoltage protection circuit is connected with the interference filter circuit 5, and the output end of the interference filter circuit 5 is connected with the ballast filter circuit 6; the overcurrent protection circuit includes the main circuit unit of the overcurrent protection circuit, the overcurrent The main circuit unit of the protection circuit is connected with a voltage output adjustment circuit 3 and a main current output compensation circuit; the main current output compensation circuit includes a voltage sampling circuit 1, and the vo...
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The invention discloses a power supply resistant to an instantaneous high voltage. The power supply comprises an instantaneous high voltage prevention circuit, wherein an output end of the instantaneous high voltage prevention circuit is connected with an overcurrent protection circuit, the instantaneous high voltage prevention circuit comprises a 220V AC power supply P1, the 220V AC power supply P1 is connected with a signal input end of an overvoltage protection circuit, an output end of the overvoltage protection circuit is connected with an interference filter circuit, an output end of the interference filter circuit is connected with a ballast filter circuit, the overcurrent protection circuit comprises an overcurrent protection circuit main loop unit, the overcurrent protection circuit main loop unit is connected with a voltage output adjustment circuit (3) and a main current output compensation circuit, the main current output compensation circuit comprises a voltage sampling circuit (1), the voltage sampling circuit (1) is connected with a main current output compensation generation circuit (2), and an output end of the ballast filter circuit is connected with an input end of the overcurrent protection circuit main loop unit. By the power supply, the problem of damage to a control power supply due to overvoltage and overcurrent in the control power supply is solved.
Description
technical field [0001] The invention designs the field of mechanical manufacturing, and in particular relates to an anti-instantaneous high voltage power supply. Background technique [0002] Machinery manufacturing refers to the industrial sector engaged in the production of various power machinery, lifting and transportation machinery, chemical machinery, textile machinery, machine tools, tools, instruments, meters and other mechanical equipment. The machinery manufacturing industry provides technical equipment for the entire national economy. There are many kinds of power interfaces with different voltage levels in the centralized power supply point of machinery manufacturing equipment, and sometimes the wrong choice will be used to damage the equipment; the load of the control power supply of the equipment is caused by short circuit and other reasons, causing the power supply to burn out due to overcurrent; further expansion The range of faults is defined; the ability t...
Claims
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Patent Timeline
Login to View More IPC IPC(8): H02M1/32H02M1/12H02H9/02H02H9/06
CPCH02M1/32H02H9/02H02H9/06H02M1/12
Inventor 张凯胜刘华吴小莉
Owner CHENGDU ZHIRENSHANYONG INFORMATION TECH CO LTD