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Positioning and control method for delivery mechanism of spiral push type vending machine

A vending machine, screw push technology, applied in coin-free or similar appliances, coin-operated equipment for distributing discrete items, coin-operated equipment for distributing discrete items, etc., can solve the problem of contact oxidation, influence Normal work, poor contact and other problems, to prevent the oxidation of devices, improve the service life of the equipment, and improve the safety of the equipment

Active Publication Date: 2020-06-26
ZHEJIANG UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, if a micro switch is used to realize positioning detection, the motor needs to be powered off and on again, and the contacts of the micro switch are prone to sparks, resulting in contact oxidation and poor contact, affecting normal operation

Method used

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  • Positioning and control method for delivery mechanism of spiral push type vending machine
  • Positioning and control method for delivery mechanism of spiral push type vending machine
  • Positioning and control method for delivery mechanism of spiral push type vending machine

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Embodiment Construction

[0025] The present invention will be specifically introduced below in conjunction with the accompanying drawings and specific embodiments.

[0026] A positioning and control method for a delivery mechanism of a spiral push automatic vending machine, characterized in that it includes the following steps:

[0027] Such as figure 1 , 2 As shown in step S10, build the conduction structure of the Hall element, replace the traditional micro switch contact with a magnetic steel, and replace the micro switch with a Hall element; point A and point B on the output shaft of the reducer of the motor Install two magnets and use non-contact Hall elements to detect Hall pulses. When the Hall elements are aligned with the magnets, the Hall elements are turned on to generate a Hall pulse for positioning. When the magnets are far away from the Hall When the Hall element is turned off, the Hall element is turned off, and two Hall pulses are generated during one revolution of the motor. The cor...

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PUM

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Abstract

The invention discloses a positioning and control method for a delivery mechanism of a spiral push type vending machine, and the method is characterized by comprising the following steps: S10, constructing a Hall element conduction structure; S20, determining the time required for generating the Hall pulse according to the relative position of the Hall element and the output shaft of the speed reducer; S30, judging whether the output shaft of the speed reducer returns to the initial position or not according to the time required for generating the Hall pulse, and controlling the motor.

Description

technical field [0001] The invention relates to a delivery mechanism of an automatic vending machine, in particular to a positioning and control method for a delivery mechanism of a screw-push automatic vending machine. Background technique [0002] A vending machine is an unattended self-service machine for purchasing goods, which has extremely high requirements for reliability, especially for the reliability of the delivery mechanism. Failure to ship after payment by the user will cause unnecessary trouble and loss to the user. In the long run, the user will lose trust in the operator and even receive complaints, which will affect the operator's reputation and sales revenue. In addition, when buying one product, sending two products will cause certain losses to the operator. [0003] At present, many vending machines at home and abroad generally use small DC motors, micro reducers and helical push springs as the delivery mechanism. This method is simple in structure and ...

Claims

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Application Information

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IPC IPC(8): G07F11/24G07F11/46
CPCG07F11/24G07F11/46
Inventor 姚奕余世明何德峰张文聪杨一帆周华康郑潇
Owner ZHEJIANG UNIV OF TECH