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Programmable Walk In Chamber For Car Electronics And Electrical System Testing

Categories Walk In Chamber
Brand Name: PRECISION
Model Number: WIC-1000
Certification: ISO
Place of Origin: CHINA
MOQ: 1
Price: $6000
Payment Terms: T/T
Supply Ability: 100/month
Delivery Time: 15 working days
Packaging Details: Standard export packaging
Customized support: OEM ODM
Origin: China
Material: Stainless Steel
Controller: Programmable LCD Touch Screen
Temp accuracy:: 0.5°C
Temp uniformity: 0.5°C
Refrigerant: Environmental friendly R23/R404
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Programmable Walk In Chamber For Car Electronics And Electrical System Testing

Customized Walk-In Environmental Chamber for Car Electronics and Electrical System Testing

In the modern automotive landscape, the role of electronics and electrical systems has become indispensable. These systems govern everything from engine control and safety features to in-car entertainment and connectivity. The Customized Walk-In Environmental Chamber, designed specifically for testing car electronics and electrical systems, emerges as a crucial tool in ensuring the seamless operation and reliability of these vital components.

1. Product Name and Purpose

This state-of-the-art chamber is dedicated to subjecting automotive electronics and electrical systems, such as engine control units (ECUs), infotainment systems, sensors, and wiring harnesses, to a comprehensive range of environmental stressors. It serves automotive manufacturers, Tier 1 suppliers, and research institutions. The primary objective is to simulate the diverse and often harsh conditions that these systems encounter during a vehicle's lifespan, including temperature extremes, humidity fluctuations, vibration, and electromagnetic interference. By conducting thorough tests in this chamber, potential weaknesses and failure points can be identified and rectified, leading to enhanced vehicle safety, performance, and customer satisfaction.

2. Product Features

  • Spacious and Secure Design
    • The walk-in chamber is constructed with a heavy-duty framework, typically made of corrosion-resistant stainless steel or high-strength alloy. This ensures durability and stability, allowing for the accommodation of large and complex automotive electronic assemblies. The interior is designed to provide a controlled and isolated environment. It is lined with an electrically conductive and EMI shielding material to prevent external electromagnetic interference from affecting the test results and to contain any electromagnetic emissions generated by the tested systems. The door is engineered with a reliable sealing mechanism, incorporating a high-quality gasket and a multi-point locking system, ensuring an airtight and EMI-tight enclosure. The chamber also features a large viewing window made of toughened, EMI-shielded glass, allowing for visual inspection of the testing process without compromising the integrity of the test environment.
  • Precision Environmental Control Systems
    • Temperature Control: Capable of maintaining a wide temperature range, from -50°C to +120°C, with an accuracy of ±0.5°C. It utilizes advanced refrigeration and heating technologies, such as cascade refrigeration for extreme cold applications and high-power heating elements for rapid temperature elevation. The control system incorporates a sophisticated feedback loop, with multiple temperature sensors strategically placed throughout the chamber, ensuring uniform temperature distribution and minimal temperature gradients. The user-friendly control panel allows for precise programming of temperature profiles, including ramp rates, dwell times, and cycling sequences, enabling the replication of real-world temperature variations, such as the cold start of a vehicle in winter or the heat build-up in an engine compartment during operation.
    • Humidity Control: The humidity control system is equally precise, capable of achieving humidity levels from 5% to 95% RH (Relative Humidity), with an accuracy of ±2% RH. It employs a combination of steam humidifiers and dehumidifiers, along with a carefully designed air circulation system. The chamber is equipped with humidity sensors that continuously monitor the internal humidity, and the control system adjusts the humidification or dehumidification processes accordingly. This allows for the creation of stable and dynamic humidity environments, mimicking the diverse moisture conditions that automotive electronics may face, from the dry air of a desert to the humid atmosphere of a tropical region. The system also includes a condensate removal mechanism to prevent any water accumulation within the chamber, safeguarding the tested samples and the chamber's internal components.
    • Vibration and Shock Simulation: To replicate the vibrations and shocks experienced by a vehicle during normal driving and in extreme conditions, the chamber is equipped with a high-performance vibration and shock test system. It can generate a wide range of frequencies and amplitudes, simulating everything from the gentle vibrations of a smooth highway drive to the severe shocks of a pothole or a collision. The vibration table is adjustable and can be programmed to follow specific vibration profiles, allowing for accurate testing of the durability and reliability of electronic components and their solder joints under different mechanical stress conditions.
    • Electromagnetic Interference (EMI) and Compatibility Testing: The chamber is designed to conduct comprehensive EMI and compatibility testing. It is equipped with signal generators, antennas, and spectrum analyzers to create and measure electromagnetic fields. This enables the evaluation of how automotive electronics perform in the presence of external EMI sources, such as radio transmissions, cell phone signals, or other vehicle electronics. It can also test the emissions generated by the tested systems to ensure they do not interfere with other vehicle components. The chamber can be configured to meet various automotive EMI standards, such as CISPR 25 and ISO 11452, providing a reliable platform for ensuring electromagnetic compatibility.
  • Advanced Instrumentation and Data Acquisition
    • The chamber is outfitted with a comprehensive suite of sensors and instrumentation. In addition to temperature, humidity, vibration, and EMI sensors, it includes sensors for measuring electrical parameters such as voltage, current, and resistance. These sensors are connected to a state-of-the-art data acquisition system that records and stores all the relevant data. The data acquisition system offers a high sampling rate, typically ranging from 100 to 1000 samples per second, ensuring that even the most rapid changes in environmental conditions or electrical parameters are accurately captured. The collected data can be accessed and analyzed in real-time or retrieved later for in-depth studies. The system is also compatible with automotive-specific data analysis software and can generate detailed reports and graphs, facilitating the interpretation and communication of test results.
  • Safety and Compliance Features
    • The Customized Walk-In Environmental Chamber is designed with multiple safety features. It has an automatic shutdown system in case of any critical malfunction, such as overheating, over-humidity, or excessive EMI levels. The chamber is also equipped with a fire suppression system, which can quickly extinguish any potential fires that may occur due to electrical faults. The EMI shielding and grounding of the chamber are designed to protect the operators from any harmful electromagnetic radiation. Additionally, the chamber complies with relevant automotive testing standards, such as ISO 16750 and SAE J1455, ensuring that the testing procedures are reliable and recognized within the industry.

3. Specific Parameters

  • Chamber Size and Capacity: The walk-in chamber is available in various sizes, with interior volumes ranging from a few cubic meters to larger configurations suitable for testing entire vehicle electrical systems. For example, a smaller chamber might have an interior volume of 5 cubic meters, while a larger one could be 20 cubic meters or more. The interior dimensions are optimized for proper air circulation and uniform environmental parameter distribution, ensuring that all parts of the tested samples are effectively exposed to the simulated conditions.
  • Temperature Cycling Rate: Can perform temperature cycles at a rate of several cycles per day, depending on the specific test requirements. For example, it can conduct 2 to 4 cycles per day between -30°C and +80°C, subjecting the electronic systems to repeated and rapid thermal stress, which is essential for evaluating their resistance to thermal fatigue and their ability to function reliably in fluctuating temperature environments.
  • Humidity Cycling Rate: The humidity can be cycled at a rate that allows for the simulation of rapid changes in moisture conditions. The chamber can adjust the humidity levels within a short period, typically within 10 to 30 minutes, depending on the desired test scenario, replicating the sudden humidity shifts that may occur during a vehicle's operation, such as driving from a dry garage into a humid outdoor environment.
  • Vibration and Shock Parameters: The vibration system can generate frequencies ranging from 5 Hz to 2000 Hz, with amplitudes up to 50 mm. The shock pulses can have durations from 10 milliseconds to 50 milliseconds and accelerations up to 1000 m/s². These parameters can be adjusted and programmed to simulate various driving conditions and impacts.
  • EMI Testing Range: The chamber can generate and measure electromagnetic fields in the frequency range from 10 kHz to 18 GHz, covering the frequencies of most common EMI sources and the operating frequencies of automotive electronics. The field strengths can be adjusted from a few volts per meter to several hundred volts per meter, allowing for comprehensive EMI susceptibility and emission testing.
  • Data Acquisition Rate: The data acquisition system can sample sensor data at a rate of 500 samples per second, ensuring that even the most minute and rapid changes in temperature, humidity, vibration, EMI, or electrical parameters during the test are accurately recorded and can be analyzed in detail. This high sampling rate provides valuable insights into the performance and potential failure modes of the automotive electronics and electrical systems.
  • Compliance with Automotive Standards: Complies with a range of automotive industry standards, including ISO 16750 for environmental testing, CISPR 25 for electromagnetic compatibility, and SAE J1455 for vibration and shock testing. This ensures that the testing is conducted in a consistent and recognized
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