Load circuit and breakage detection method thereof

A load circuit and resistance technology, applied in the field of circuits, can solve the problems of overheating and burning of electric heating pipes, loose electric heating pipes, and incomplete product sealing, so as to ensure the safety of electricity use, ensure product quality, and ensure accurate judgment results.

Pending Publication Date: 2018-02-23
李娟
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the electric heating tube is installed on the sealing block of the equipment reciprocating, in the actual production process, it is easy to cause the failure of the electric heating tube line to loosen or the electric heating tube to overheat and burn. great security risk

Method used

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  • Load circuit and breakage detection method thereof
  • Load circuit and breakage detection method thereof
  • Load circuit and breakage detection method thereof

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Embodiment Construction

[0026] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention, and similar component numbers in the drawings represent similar components. Apparently, the embodiments described below are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0027] It should be understood that when used in this specification and the appended claims, the terms "comprising" and "comprises" indicate the presence of described features, integers, steps, operations, elements and / or components, but do not exclude one or Presence or addition of multiple other features, integers, steps, operations, elements, components and / or col...

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Abstract

The invention discloses a load circuit and a breakage detection method thereof, and relates to the technical field of circuits. The load circuit comprises a controller, a controllable switch, a load,a monitoring module, a switch module and an alarm module; the controller is electrically connected with the controllable switch, and the controllable switch is electrically connected with the load circuit; the monitoring module is electrically connected with the output end of the controllable switch, and when it is detected that zero current exists at the output end of the controllable switch, a first high level signal is output to the switch module; the switch module is electrically connected with the controller, the monitoring module and the alarm module separately, and when the first high level signal and a second high level signal which is output by the controller are received simultaneously, the load circuit is connected; when the switch module is connected, the alarm module generatesa breakage alarm signal and outputs the breakage alarm signal outwards. When the load is abnormal and breakage occurs on the load circuit, a user can be reminded timely to find the anomaly, and therefore the product quality and electricity safety are guaranteed.

Description

technical field [0001] The invention relates to the technical field of circuits, in particular to a load circuit and a method for detecting a disconnection of the load circuit. Background technique [0002] In the existing circuit, the working circuit of the load is controlled by the controller to control the on-off of the controllable switch to indirectly control the work of the load. However, the working circuit of the load is prone to disconnection or the load fails, and the user cannot find such events in time, resulting in Cause production accidents, and there are potential safety hazards in electricity use. [0003] In some applications, the sealing of food packaging in my country generally adopts hot-press sealing, and the temperature controller (controller) drives the controllable switch to control the electric heating tube (load) for heating, so that the sealing of the packaging bag or packaging film Heat to melt and soften, and then apply mechanical pressure to sea...

Claims

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Application Information

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IPC IPC(8): G01R31/02
CPCG01R31/50
Inventor 江文艺邱鹏王鹏辉李娟
Owner 李娟
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