As an important carrier of power and information transmission, wires and cables have a wide range of applications in various fields of modern society. However, if the wire and cable encounter an emergency such as fire during use, its combustion performance will directly affect the spread speed and scope of the fire, and then affect the life safety of personnel and the loss of property. Therefore, the development of wire and cable combustion test is of great value and significance for ensuring public safety and reducing fire losses.
First of all, the wire and cable fire test is able to evaluate the flame retardant and fire resistance properties of the cable. By simulating the combustion behavior of the cable in the event of a fire, it is possible to understand key parameters such as the burning rate of the cable material, the density of smoke, and the amount of toxic gases released. These parameters are essential to evaluate the safety performance of the cable in a fire. Flame-retardant cables can slow the spread of fire in the event of a fire, while fire-resistant cables can maintain the integrity of the line for a certain period of time, ensuring the proper operation of critical facilities such as emergency lighting, firefighting equipment, and evacuation indication systems.
Secondly, the wire and cable burning test is helpful for the research and development and improvement of cable products. Through the test results, manufacturers can understand the shortcomings of their own products, and then optimize the material and structural design of the cable to improve the safety performance of the product. At the same time, the combustion test is also an important part of the quality control of cable products to ensure that the mass-produced cables can meet the requirements of safety standards.
In addition, the wire and cable fire test has a guiding role in formulating and improving relevant safety standards and regulations. The test results provide a scientific basis for the formulation of standards, and help the industry to establish a reasonable cable combustion performance evaluation system. This is of great significance to improve the overall safety level of cable products and promote the healthy development of the cable industry.
In addition, the wire and cable burning test also has reference value for fire safety management. By evaluating the combustion performance of different types of cables, important information can be provided for building design, cable laying, fire prevention and emergency treatment. For example, in densely populated locations or with a high risk of fire, cables with better flame retardant or fire resistance should be prioritized to reduce the risk of fire.
This wire and cable combustion tester (SH5505D T) can meet the test needs of testing the performance of wires and cables during combustion, according to GB T126661. Design and manufacture of the relevant requirements of flame retardant test in UL1581. The wire and cable combustion testing machine is used to test the flame retardant performance of the insulation layer of the wire and cable under abnormal conditions such as overheating and overcurrent.
Technical parameters: 1. Power supply:
ac220v+ 10%/50hz
2. Test gas source: It is recommended to use methane with a purity of 98%, or other gases indicated on the standard.
3. The inner diameter of the burner is C 95+0.3mm, about 102mm long, with air conditioning holes.
4. The height of the outer flame can be adjusted from 20mm to 125mm.
5. The height of the blue flame of the inner flame: 20-40mm adjustable.
6. The test angle is adjustable.
7. Wedge-shaped frame: add wedges, and the blowtorch is installed on the wedge, and can be easily moved, and can be accurately moved back to the specified position.
8. Flame application time and ignition holding time: can be set arbitrarily within the range of 1 99 minutes and 99 seconds, and the test process is automatically controlled.
9. Sample length: 455mm
10. With gas flowmeter and pressure adjustment.
11. Ignition method: electronic automatic ignition.
12. Display + control: touch screen + PLC, Chinese operation interface.
13. Test mode: a variety of test modes are optional, the equipment has been pre-programmed with different test modes, and only need to select the corresponding test during the test.
of you. 14. Cylinder air source: 6-8kg (user provides air compressor).
15. Equipped with flame height gauge - handle.
16. Equipped with a steel ruler with an accuracy of 500mm to 1mm.
17. Equipped with wireless remote control, after closing the door, it can start or stop the test from a distance.
18. Temperature measurement system (optional): temperature measurement copper block and thermocouple.
Finally, the wire and cable burning test also has a positive effect on raising the public's awareness of safety. By publicizing the importance of cable burning test and the test results, consumers can enhance their safety awareness when purchasing cable products, and promote them to be more inclined to choose cable products with better performance. At the same time, it also encourages cable manufacturers to continuously improve product quality to meet the market demand for high-safety cables.
The wire and cable combustion test not only plays an important role in the evaluation and improvement of the safety performance of cable products, but also has far-reaching value and significance for the formulation of safety standards, fire safety management and the promotion of public safety awareness. Therefore, it is of great practical significance to strengthen the research and application of cable combustion test to ensure social public safety and promote the sustainable development of the cable industry.