Heating detection device of overheat protector

By introducing preheating and multi-stage quality inspection screening into the overheat protector detection device, the problem of the inability to identify bent metal sheets before heating is solved, improving the accuracy of detection and the utilization rate of thermal energy, and ensuring the quality of the overheat protector.

CN224181398UActive Publication Date: 2026-05-01JIANGSU ENGFEE ELECTRIC APPLIANCE TECH CO LTD
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Patent Information

Application Number
CN202520892069.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-08
Publication Date
2026-05-01
Estimated Expiration
2035-05-08

AI Technical Summary

Technical Problem

In the prior art, the thermal protector detection device cannot identify a bent metal sheet as a defective product before it is heated, resulting in defective products flowing into the qualified products.

Method used

An overheat protection device for heating detection was designed, including a conveyor belt, a preheating mechanism, a heating mechanism, and a quality inspection and screening mechanism. Through primary quality inspection and screening, preheating, heating, and secondary quality inspection and screening, the device ensures that bent metal sheets are screened out before heating, and conducts a second quality inspection after heating to ensure the accuracy of qualified products.

Benefits of technology

This effectively reduced the defect rate of overheat protectors after quality inspection, improved the thermal energy utilization rate of electric heaters, and ensured the quality of overheat protectors.

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Abstract

The utility model discloses a heating detection device for an overheat protector, which relates to the technical field of overheat protector detection and comprises a conveying belt, a primary quality inspection screening mechanism, a preheating mechanism and a heating mechanism are fixedly mounted at the top of the conveying belt, and the primary quality inspection screening mechanism, the preheating mechanism and the heating mechanism are fixedly mounted at the top of the conveying belt. A secondary quality inspection screening mechanism is fixedly mounted at the top of the conveying belt, and a qualified product collecting mechanism is mounted at the tail of the conveying belt; before the overheat protectors are heated by the heating mechanism, the first-stage quality inspection and screening mechanism is used for quality inspection and screening, unheated defective overheat protectors can be screened out in the process, and then first-stage quality inspection qualified products are sequentially heated by the heating mechanism and subjected to quality inspection and screening by the second-stage quality inspection and screening mechanism; and finally, the overheat protectors entering the qualified product collecting mechanism are really qualified products, so that the defective rate of the overheat protectors after quality inspection is effectively reduced.
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