Electrical components are often required to operate at high altitudes or in low air pressure environments, such as in alpine regions or in aerospace. In order to test the durability of electrical components in a low-pressure environment, the following methods can be used:
Low Pressure Simulator: Use the Low Pressure Simulator to simulate air pressure at high altitudes or in aerospace environments. Install electrical components in the simulator and test them in the simulator.
Low-pressure Test Chamber: The low-pressure Test Chamber can simulate low-pressure environments, such as alpine areas and aerospace fields. Electrical components are placed in a low air pressure Test Chamber and tested in a low air pressure environment.
Field testing: Install electrical components in equipment at high altitudes or in the aerospace sector and test them in real-world conditions.
When testing low-pressure durability, it is necessary to consider the performance changes of electrical components in a low-pressure environment, such as electrical properties, mechanical properties, and temperature changes. At the same time, it is necessary to record the service life and failure conditions of electrical components in a low-pressure environment to evaluate their applicability.
For test equipment testing low-pressure durability, the following requirements are required:
Low pressure environment control: The test equipment needs to be able to create a low pressure environment, usually in the range of 5~10kPa.
Constant temperature and humidity: The test equipment needs to be able to control the constant temperature and humidity state in a low-pressure environment, usually requiring a temperature of about 20°C and a humidity of 50%RH.
Data acquisition and analysis system: The test equipment needs to be able to collect and record data during the test in real time, such as parameters such as temperature, humidity, and air pressure, as well as the performance changes of the test samples.
Safety measures: The test equipment needs to have corresponding safety measures, such as automatic shutdown when the air pressure exceeds the limit, pressure relief protection, etc., to ensure the safety of the test operators.
Calibration and verification: Test equipment needs to be calibrated and verified on a regular basis to ensure the accuracy and reliability of test results.
test steps
Generally speaking, the specific steps of the low air pressure durability test are as follows:
Test piece preparation: prepare samples according to the required test standards, and record the batch, model, specification and other information of the samples.
Set test conditions: Set test conditions according to the required test standards, including low pressure, temperature, relative humidity, time and other parameters.
Pre-test preparations: After placing the specimens in the specified environment for a pretreatment time, carry out pre-test preparations, such as measuring the initial size, weight and other data of the specimens.
Low air pressure test: put the specimen into the low air pressure test equipment, and test under the specified low air pressure conditions. During the test, the deformation, cracking and fracture of the test piece should be recorded.
Recovery period: Take the test piece out of the low-pressure environment, place it under normal pressure conditions for recovery, and observe whether the test piece is deformed, cracked, embrittled, etc.
Data processing: According to the test results, data processing and analysis are carried out to evaluate the low-pressure durability of the test piece and determine whether the test piece meets the requirements of relevant standards.
Beichao reminds you: there may be some specific differences in different test standards and test piece types, so you should read the relevant standards carefully before testing, and test according to the standard requirements.
