Trample type alarm for respectively detecting row and column electrodes by diodes and electromagnet

Trample type alarm for respectively detecting row and column electrodes by diodes and electromagnet

CN
  • CN 203,405,890 U
  • Filed: 06/29/2013
  • Issued: 01/22/2014
  • Est. Priority Date: 06/29/2013
  • Status: Active Grant
First Claim
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1. with electromagnet and diode, check respectively a treading type alarm for row-column electrode, comprise a treading type alarm, electromagnet, the exciting circuit of electromagnet, two blocks of conductive rubbers, two conductive rubber back up pads and two groups of diodes, wherein, treading type alarm comprises row electrode group, column electrode group, Single Chip Microcomputer (SCM) system, seal in and go out circuit, be incorporated to and go here and there into circuit, music circuit and power supply, Single Chip Microcomputer (SCM) system comprises a single-chip microcomputer and crystal oscillating circuit and electrify restoration circuit, program storage and random access memory, the delivery outlet line P3.7 of single-chip microcomputer is connected to the input end of music circuit, Power supply each several part circuit, row electrode group and column electrode group are arranged in respectively top and the bottom of a rectangular frame, both sides insulation by this framework is isolated and is supporting, each group electrode is comprised of wire independent of one another, spacing is even, exposed, and the direction of two groups of arrangements of conductors is mutually vertical, seal in and go out circuit input end of clock and serial data input end, be incorporated to and go here and there a delivery outlet line that is connected respectively to single-chip microcomputer into input end of clock and the data initialization end of circuit, be incorporated to go here and there and into the serial data output terminal of circuit, be connected to an input port line of single-chip microcomputer, it is characterized in that:

  • seal in and each parallel output terminal of going out circuit is connected to a column electrode through a diode, the other end of column electrode is divided into two groups according to strange, the even order of arranging, each group column electrode is connected one by one with the positive pole of one group of diode, and the negative pole of these two groups of diodes is in parallel with an input port line and a pull down resistor of single-chip microcomputer respectively, be incorporated to each input end of going here and there into circuit in parallel with a row electrode and a pull down resistor, the other end of row electrode is strange according to what arrange, even order is divided into two groups and marshalling, these two arrangements are separately towards a conductive rubber, the width of these two arrangements is equal in length with faced conductive rubber separately, within its spacing is positioned at the stroke range of electromagnet used, these two blocks of conductive rubbers are connected to the output terminal of a triode switching circuit of power supply separately, the input end of these two triode switching circuit of power supply is connected respectively to a delivery outlet line of single-chip microcomputer, each piece conductive rubber is fixed in a conductive rubber back up pad, and two conductive rubber back up pads are all placed on the movable axis of an electromagnet, the exciting circuit of this electromagnet is comprised of a transistor switching circuit, and the control end of this transistor switching circuit is connected to a delivery outlet line of single-chip microcomputer.

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