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Working principle of dust chamber
Category: Industry News
Dust chamber , simulating the damage of natural wind and sand climate to products, suitable for testing the shell sealing performance of products, mainly used for IP5X and specified in the shell protection level standard IP6X level experiments. The equipment has a vertical circulating airflow of dust, which can recycle the experimental dust. The entire wind path is made of imported high-grade stainless steel plates. The bottom of the air is connected to the conical hopper interface, and the fan inlet and outlet are directly connected to the air duct. Then, connect the top diffusion port of the working chamber to the main body of the working chamber at an appropriate position to form a “ O ” type closed vertical dust circulation system to ensure smooth airflow and uniform dust distribution. A single high-power low-noise centrifugal fan should be used, and the wind speed should be adjusted according to the experimental speed regulator.
Dust chamber What is the working principle?
Through the fan, a certain concentration of dust storm passes through the surface of the experimental sample at a certain speed, exposed to the action of dry sand or dust-filled atmosphere, to test the ability to prevent dust particle penetration, the ability to defend against stone wear or blockage, and the ability to store and operate.
What are the test objects of the dust chamber?
The sealing performance of mobile phones, electrical products and other products in photographic environments.
The sealing performance of automobile and motorcycle parts, seals, etc. during use, storage and transportation in photographic environments.
The dust chamber is used to test the shell sealing performance of products, mainly based on IP5X and IP6X two testing methods, simulating the sand and dust environment generated during production, transportation and storage, and verifying the protective performance of the shell. The role of dustproof experimental equipment in quality management is becoming increasingly important. In particular, some parts manufacturers must meet the relevant standard test requirements when supplying related products to large vehicle manufacturers. In the product design stage, verification work should be carried out according to various relevant standards. Through dustproof experimental equipment and other related experiments, problems can be solved immediately, and enterprises can create ideal products for customers.
During the sand chamber test, power failure, operational errors, etc. may lead to sand chamber operational errors. How to handle test errors without affecting the reliability and authenticity of the test results?
What is the solution to the dust chamber problem?
1. The instrument of the dustproof experimental box does not light up: Check whether the power supply is normal, whether the phase sequence is normal, and whether there is a neutral line.
2. No dust blowing: Check whether the blower is working normally, whether the fan is too small, and whether the dust is dry.
3. No vibration: Please confirm whether the vibration motor is normal.
4. The dust chamber should have professional management work, the box and blower should be cleaned regularly, and regular maintenance should be carried out by experts.
5. In order to stably exert the functions and performance of the experimental box, the annual temperature should be selected 15 degrees to 25 degrees, and the relative humidity is below 85% in the space.
6. The distance between adjacent walls or objects. The ambient temperature of the installation site should avoid drastic changes, should be set in a place without direct sunlight, should be set in a well-ventilated place, away from combustibles, explosives and high-temperature heat sources. The equipment should be placed in a place with less dust and as close to the power supply as possible. 7. Insufficient equipment power supply: Check whether the power supply is normal, whether the phase sequence is normal, and whether there is a neutral line.
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