KR950020336A - Door automatic switchgear of vending machine and its method - Google Patents

Abstract

The present invention is to automatically open the door of the product outlet when the beverage or product is dispensed from the automatic vending machine and to automatically close the door of the outlet when the user removes the product automatically to facilitate the user's convenience The automatic door opening and closing device of the vending machine and a method thereof. The present invention includes a door state detection unit for detecting a state that the door is fully open or closed, and a product export detection unit for detecting the time when the product is taken out by the weight sensor, the microcomputer after a predetermined time elapsed when the sale product is taken out If it is determined that the motor is rotated forward to open the door and the product is removed from the product outlet, the motor is rotated in reverse to close the door and wait for sale.When the motor rotates, it engages with the pinion which is rotated together. The rack is in a linear motion, the door moves to the left and right as the rack moves to open and close the product outlet.

Description

Automatic Door Opening and Closing Device of Vending Machine

Since this is an open matter, no full text was included.

1 is a plan view showing a door structure of a conventional product outlet.

2 is a plan view showing the structure of the automatic door opening and closing device of the present invention.

3 is a circuit diagram for controlling the automatic door opening and closing device of the present invention.

Claims (3)

A micom 10 that automatically opens the door 3 after a predetermined time elapses when the sale product is taken out, and automatically closes the door 3 and waits for the sale when it is determined that the sale product is taken out from the product discharge port; A door state detecting unit 20 which detects a state in which the door 3 is fully open or closed and inputs it to the microcomputer 10; A product discharging detection unit 30 which detects the weight of the product from the inside of the product discharge port and inputs the time point at which the product is taken out to the microcomputer 10; A motor driver 40 for forward or reverse rotation of the motor MT according to the control signal of the microcomputer 10; A pinion 5 which meshes with the rack 4 and rotates as the motor MT rotates; A rack 4 formed at a predetermined length at the left end of the door 3 to change the rotation of the pinion 5 in a linear motion; Door automatic opening and closing device of the vending machine, characterized in that it comprises a door (3) to move in the left and right direction in accordance with the movement of the rack (4) to open and close the product outlet. According to claim 1, The door state detection unit 20 is installed at a position away from the left end of the door (3) a predetermined rotation switch (SW1) for detecting a state that the door (3) fully open; The door automatic opening and closing device of the vending machine, characterized in that the reverse rotation switch (SW2) is installed at a position in contact with the right end of the door (3) to detect the state in which the door (3) is completely closed. Determining whether the export of the merchandise is completed and setting a delay time if the merchandise is not finished; Rotating the motor forward to open the door when the set delay time elapses; Stopping the driving of the modem when it is determined that the door is completely open; Closing the door by rotating the motor reversely when it is determined that the sale product is taken out from the product outlet; If it is determined that the door is completely closed, the door automatic opening and closing method of the vending machine, characterized in that controlling the step of stopping the driving of the motor and waiting for sale. ※ Note: The disclosure is based on the initial application.