The mechanical strength and heat resistance of the outer cover of the flexible components of YY9706 heating equipment, the requirements for the electrodes of the ignition test device in Chapter 8.8.4 of YY9706.235-2021 standard, and the electric blanket spark ignition device comply with the requirements of IEC60335-2-17:2006/GB4706.8-2008 Figure 113. This equipment is used for the flame resistance test of flexible electric heating appliances to verify whether the arcing of the charged body causes overheating or combustion of the test sample.
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DESCRIPTION
Equipment features and structure: The spark ignition test device is divided into two parts: the control box and the test bracket. The structural components are made of stainless steel or brass.
Electrode: A pair of 3mm copper electrodes with adjustable distance between them;
Power supply: voltage 0-15KV, current 0-2mA;
Timing: 0-9999 seconds
Template size: Upper and lower templates 100x100x with a diameter of 50
Device size: 200x200x200(Excluding heating box size)
Heating box temperature: from room temperature to 250 ℃
Heating box instrument fluctuation: ± 1 ℃
Temperature uniformity of heating box: ± 2 ℃
Heating box power: 0.5KW
Internal dimensions of heating box: 350 x450 x40
201.8.8.4.101 Mechanical strength and heat resistance of flexible component housing for heating equipment
For heating blankets and pads composed of woven materials wrapped around electric heating elements,Through universal standards8.8.4.1a)The ball pressure test andThe following additional ignition test is conducted to test the woven material
.6Cut off from the outer coverThe size is100mm×200mmThe sample.When selecting samples,2Should be at the same longitude or latitudeThere won't be any onlineA sample,If it cannot be done2,It should be ensured that there are no errors on the same lineMore than one sample.
All heating elements and decorations201.103Should be removed from the sample.The experimental setup is shown in the figureshown,Two copper pillars on the insulating material plate support two diameters3mmThe copper electrode,Electrode axisLine into a straight line.This tablet also supports a size of100mm×100mmThe insulated platform,
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+8675526585726
sales@damslab.com