Heating element detection system, method and device and storage medium

A heating element and detection system technology, applied in the direction of test/monitoring control system, general control system, control/regulation system, etc., can solve the problems that affect the production progress, the instantaneous current is too large, and the fault detection and judgment of heating elements are not accurate, etc.

Active Publication Date: 2020-10-27
GUANGDONG HENGTONG PHOTOELECTRIC SCI & TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The existing heating element fault detection methods mainly include two types, one is the resistance detection method, which uses a multimeter and other equipment to detect the resistance value of the heating element, and then compares it with the theoretically calculated value, but only when the heating stops and the line is disconnected The other is the current detection method, which uses a clamp meter to detect the current of the heating line, a

Method used

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  • Heating element detection system, method and device and storage medium
  • Heating element detection system, method and device and storage medium
  • Heating element detection system, method and device and storage medium

Examples

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Embodiment 1

[0040] figure 1 It is a schematic structural diagram of a heating element detection system provided in Embodiment 1 of the present invention. This embodiment is applicable to the automatic detection of heating element failures based on PID control. The specific structure of the heating element detection system includes:

[0041] Element heating module 110, current transformer 120, PLC control module 130 and heating power supply control module 140; said element heating module 110 is electrically connected with said current transformer 120 and said heating power supply control module 130 respectively, and said PLC controls The module 130 is electrically connected to the current transformer 120 and the heating power control module 140 respectively;

[0042] The heating power supply control module 140 is configured to provide power to the element heating module 110 according to the received heating start signal output by the PLC control module 130 after the PLC control module 130 ...

Embodiment 2

[0071] figure 2 It is a schematic flowchart of a heating element detection method provided in Embodiment 2 of the present invention. This embodiment is applicable to the situation of automatic detection of heating element failure based on PID control.

[0072] Correspondingly, the method in this embodiment specifically includes:

[0073] S210. After the PLC control module determines that the PID controller is off, control the heating power supply control module to provide power to the element heating module according to the received heating start signal output by the PLC control module.

[0074] On the basis of the above-described embodiments, after the PLC control module determines that the PID controller is closed, the control heating power supply control module provides power for the element heating module according to the received heating start signal output by the PLC control module, including: determining in the PLC control module After the PID controller closes the p...

Embodiment 3

[0088] image 3 It is a schematic flowchart of a heating element detection method provided by Embodiment 3 of the present invention. The technical solutions of the embodiments of the present invention are further optimized on the basis of the above embodiments. The method of this embodiment specifically includes:

[0089] S310. After the PLC control module determines that the PID controller is turned off for a preset time length, control the PLC control module to send the heating start signal to the heating power supply control module at a start time corresponding to the preset time length.

[0090] S320. Control the heating power supply control module to provide power to the element heating module after receiving the heating start signal.

[0091] S330. Obtain a plurality of heating current values ​​collected by the current transformer when the element heating module is in a heating state within the preset time length.

[0092] S340. Determine the target current value base...

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Abstract

The embodiment of the invention discloses a heating element detection system, method and device and a storage medium. The heating element detection system comprises an element heating module, a current transformer, a PLC control module and a heating power supply control module; the element heating module is electrically connected with the current transformer and the heating power supply control module; the PLC control module is electrically connected with the current transformer and the heating power supply control module; the heating power supply control module is used for providing a power supply for the element heating module according to a received heating starting signal output by the PLC control module after the PLC control module determines that a PID controller is turned off; the current transformer is used for collecting a heating current value when the element heating module is in a heating state; and the PLC control module is used for determining a target current value basedon the heating current value and determining fault detection information corresponding to a heating element according to the target current value. According to the technical schemes of the embodimentof the invention, the fault automatic detection of the heating element is realized, the detection efficiency is improved, and a production schedule is ensured.

Description

technical field [0001] The embodiments of the present invention relate to the technical field of temperature control, and in particular to a heating element detection system, method, device and storage medium. Background technique [0002] Extrusion equipment is required in the production and manufacture of optical cables and cables. When half of the heating elements of the extrusion equipment fail, the extruded plastic in that part of the heating element failure will not be completely melted, which will cause the product to fall off or even directly scrapped. At the same time, repeated occurrence of non-melting material will also cause certain damage to the screw, screw boring and mold of the extrusion equipment, and increase the cost input. [0003] Whether the failure of heating elements can be detected in time directly determines the quality of the product. There are a large number of heating elements in each production line and failures may occur every minute. It is al...

Claims

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Application Information

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IPC IPC(8): G05B23/02
CPCG05B23/0213G05B2219/24065
Inventor 罗志孝王大炜陆永志
Owner GUANGDONG HENGTONG PHOTOELECTRIC SCI & TECH
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