Refrigerator door opening and closing durability automation continuous test system

Abstract

The invention discloses a refrigerator door opening and closing durability test system. The system comprises a display, a programmable controller, a door pulling cylinder, a door pushing cylinder, anair pressure sensor, a travel switch, an air compressor, a pull rope and a soft rubber stop block, the door pulling cylinder is installed in front of a refrigerator door to be tested, a piston rod ofthe door pulling cylinder is connected with a door handle of the refrigerator door through the pull rope, the door pushing cylinder is installed on the side edge of the refrigerator door, the air compressor is connected with the door pulling cylinder and the door pushing cylinder through an air path, an electromagnetic reversing valve is arranged in the air path, the air pressure sensor is installed in the air path, the door pulling cylinder and the door pushing cylinder are respectively provided with magnetic switches, the soft rubber stop block is installed on the side edge of the refrigerator door, the travel switch is installed on the soft rubber stop block, and the programmable controller is electrically connected with the display, the air compressor, the air pressure sensor, the electromagnetic reversing valve, the magnetic switches and the travel switch. The refrigerator door opening and closing durability test system is high in test efficiency and good in applicability.

Description

technical field [0001] The invention relates to the field of durability testing of refrigerator door switches, in particular to an automatic continuous testing system for the durability of refrigerator door switches. Background technique [0002] The test of the refrigerator is the main means to judge whether the performance of the refrigerator product is qualified or not according to the relevant national standards. The durability test of the refrigerator door switch is one of the important testing items. This test is strictly in accordance with the requirements of the EN / IEC60335-2-24 standard The refrigerator door switch is tested and the quality of the sample door is tested. However, the existing methods for testing the durability of the refrigerator door switch have a low degree of automation, low test efficiency, and large deviations in test results. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide an automa...

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Problems solved by technology

[0002] The test of the refrigerator is the main means to judge whether the performance of the refrigerator product is qualified or not according to the relevant national standards. The durability test of the refrigerator door switch is one of the important testing items. The test is strictly in accordance with the requirements of the EN / IEC60335-2-24 standard Test the refrigerator door switch and test the quality of the sample door. However, the existing methods for testing the durability of the refrigerator door switch have a low degree of automation, low test efficiency, and large deviations in test results.

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