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Electromechanical Products-Industrial Computer Reliability Test Solutions

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Electromechanical Products-Industrial Computer Reliability Test Solutions

September 02, 2024

Industrial Computer Reliability Test Solutions

Industrial computers can be divided into three categories according to their application attributes:

(1) Board class: includes Single Board Computer (SBC), Embedded board (Embedded Board), Black Plane, PC/104 module.

(2) Subsystem class: includes single-board computers, boards, chassis, power supplies and other peripherals combined into operational subsystems, such as industrial servers and workstations.

(3) System integration solutions: refers to a set of systems developed for a professional field, including the required software and hardware and surrounding, such as automatic teller machines (ATMs). The application of industrial computers widely covers ATM, POS, medical electronic equipment, game machines, gambling equipment, etc. The multi-field industry makes industrial computers must be able to withstand the use of sunlight, high and low temperature, wet and other environments, so the relevant reliability test is the focus of various manufacturers in the research and development test.

Common reliability tests for industrial computers:

Wide temperature test

Wide temperature range: according to the actual application environment can be divided into four categories: 1. Outdoor: especially for the extreme low temperature or high temperature areas, such as northern Europe and desert countries, the temperature range can be from -50 to 70°C2. Confined Spaces: for example, where a heat source is generated, such as near a boiler, the high temperature range is about 70°C3. Mobile equipment: such as vehicle equipment, the high temperature can be up to 90°C4 according to the car area. Special harsh environment: such as aerospace equipment, oil drilling equipment

Aging stress test

Aging stress test: The temperature range is from -40°C to 85°C, and the temperature variation rate is 10 °C per minute for cyclic testing

Constant temperature and humidity machine - standard type

The purpose of the machine is to simulate the product under the combined conditions of temperature and humidity in the climate environment (high and low temperature operation & storage, temperature cycle, high temperature and high humidity, low temperature and low humidity, dew test... Etc.), to detect whether the adaptability and characteristics of the product itself have changed. ※ Must meet the requirements of international standards (IEC, JIS, GB, MIL...) To achieve international consistency of measurement procedures (including test procedures, conditions, methods)

Test item: Wide temperature test

Thermal shock machine - stress screening testing machine

temperature cycling stress screening is the product in the design strength limit, the use of temperature acceleration technology (in the upper and lower extremal temperature of the cycle, the product produces alternating expansion and contraction) to change the external environmental stress, so that the product produces thermal stress and strain, By accelerating the stress to make the potential defects in the product emerge [potential parts material defects, process defects, process defects], in order to avoid the product in the use process, the test of environmental stress sometimes lead to failure, causing unnecessary losses, for improving the product delivery yield and reducing the number of repair has a significant effect, in addition, the stress screen itself is a process stage process. Rather than a reliability test, stress screening is a 100% procedure performed on the product.

Test item: Aging stress test

 

 

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