Intermittent operation power equipment protection circuit of automatic vending machine

A vending machine and protection circuit technology, applied in emergency protection circuit devices, automatic disconnection emergency protection devices, circuit devices, etc., can solve problems such as loss of enterprises and customers, equipment overheating and burning, and achieve good protection effects.

Inactive Publication Date: 2018-01-05
蓝秋勤
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Currently, the operation and maintenance of vending machines are mostly controlled by software. Once the software is out of control, the equipment may be overheated and burned if it is powered on for a long time.
resulting in loss of business and customers

Method used

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  • Intermittent operation power equipment protection circuit of automatic vending machine
  • Intermittent operation power equipment protection circuit of automatic vending machine

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Embodiment Construction

[0019] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0020] see figure 1 The protection circuit of the power equipment for intermittent operation of the automatic vending machine of the present invention includes: an external control signal circuit 1 , a protection circuit 2 , a signal buffer circuit 3 , and an internal power equipment 4 of the automatic vending machine.

[0021] The input terminal of the protection circuit 2 is connected with the output terminal of the external control signal circuit 1, and is used for detecting the control signal of the external control signal circuit 1, and identifying and judging the timeout of the signal.

[00...

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PUM

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Abstract

The invention provides a protection circuit for power equipment in intermittent operation of an automatic vending machine, comprising: an external control signal circuit, a protection circuit, a signal buffer circuit, and an internal power equipment of the automatic vending machine; the input terminal of the protection circuit and the external control signal The output end of the circuit is connected to detect the control signal of the external control signal circuit, and to identify and judge the signal over time; the input end of the signal buffer circuit is respectively connected to the output end of the external control signal circuit and the protection circuit, and the output end is connected to the automatic The input terminals of the power equipment in the vending machine are connected, and the signal buffer circuit passes through the signal of the comprehensive protection circuit and the signal logic of the external control signal circuit, and then outputs the signal to the power equipment in the vending machine after logical combination judgment to control the power equipment that needs to be protected. operation of power equipment. The circuit provided by the invention has the effect of being stable, reliable, simple and practical, and can play a good protective effect.

Description

technical field [0001] The invention relates to the field of automatic vending machines, in particular to a protection circuit for intermittent operation power equipment of automatic vending machines. Background technique [0002] At present, with the continuous increase of vending machines in our country, the maintenance of vending machines has become one of the tasks of various enterprises while facilitating the people, improving service efficiency, and activating the sales market. Bring unnecessary trouble to customers. [0003] Currently, the operation and maintenance of automatic vending machines are mostly controlled by software. Once the software is out of control, the equipment may be overheated and burned if it is powered on for a long time. Resulting in loss of business and customers. Contents of the invention [0004] The purpose of the present invention is to provide a power equipment protection circuit for automatic vending machines in intermittent operation...

Claims

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Application Information

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IPC IPC(8): H02H5/00
Inventor 蓝秋勤
Owner 蓝秋勤
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