Power output switching circuit

A switching circuit and power output technology, which is applied in the field of switch modules of refill assembly machines, can solve the problems of reducing downtime, reducing maintenance costs, and short service life, and achieves the effect of reducing downtime, reducing maintenance costs, and solving short service life.

Active Publication Date: 2013-04-24
LOTUS STATIONERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In order to overcome the above defects, the present invention provides a power output switching circuit, which can not only solve the problem of short life, but also greatly reduce maintenance costs and reduce downtime

Method used

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  • Power output switching circuit

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Embodiment

[0021] Embodiment: a kind of power output switch circuit, comprises programmable logic controller (PLC) output interface connector JP0, load terminal connector JP1 and several groups of switching loops 1, two of described PLC output interface connector JP0 use The energy terminal is connected in parallel to form the chip working voltage (VDD) receiving terminal, the two enabling terminals of the load terminal connector JP1 are connected in parallel to form the chip working voltage (VDD) transmitting terminal, the anode of the diode D01 is connected in series to the VDD transmitting terminal, and the negative pole of the diode D01 The VDD receiving end is connected in series, and the VDD sending end, the diode D01 and the VDD receiving end correspondingly connected in series form a power supply polarity protection circuit;

[0022] The two ground ends of the PLC output interface connector JP0 are connected in parallel to form a ground wire (VSS) receiving end, the two ground end...

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Abstract

The invention discloses a power output switching circuit. Two enable ends of a PLC output interface connector are connected in parallel to form a chip operating voltage receiving end, tow enable ends of a load terminal connector are connected in parallel to form a chip operating voltage transmitting end, and loops of the PLC output interface connector and the load terminal connector are switched on and switched off by a switching loop. In the switching loop, a high-speed electronic switching circuit is composed of high-power field effect tubes to substitute a relay circuit with mechanical contacts, thereby being better adapted to characteristics of the PLC output interface for a refill processing machine and better conforming to actual loading requirements (inductive character, high powerand high speed). Since the contactless high-speed electronic switching circuit has no mechanical loss, the problem of short service life is solved, the maintenance cost is greatly lowered, and the down time is reduced simultaneously.

Description

technical field [0001] The invention relates to the field of switch modules of a pen core assembly machine, in particular to a power output switch circuit. Background technique [0002] At present, there is no precedent in China for the non-contact power switch module with 32 groups of circuits outputting simultaneously with the output of the programmable logic controller (PLC) in the refill assembly machine. In foreign countries, only South Korea uses a power switch device composed of small relays. . And known relay is owing to have mechanical contact, although can bear larger electric current, its switching speed (frequency) and service life are limited by metal material, are very limited, and preferably life-span is about about 1,000,000 times of switch. According to the current actual production capacity of our driver, the relay will be fatigued and scrapped within 5-7 days. Contents of the invention [0003] In order to overcome the above defects, the present invent...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H03K17/94H03K17/687H03K17/695
Inventor 董松俊黄小喜
Owner LOTUS STATIONERY
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