1. Product Name and Purpose

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 manner, facilitating market access and compliance with regulatory requirements for automotive products.

4. Product Functions

• Accurate Simulation of Automotive Electronic Operating Environments
  • The primary function of this test chamber is to provide a highly accurate and realistic simulation of the environmental conditions that automotive electronics and electrical systems will face. By precisely controlling temperature, humidity, vibration, and EMI levels, it allows for the evaluation of how these systems perform and degrade over time. For example, it can determine if an ECU will experience malfunctions due to overheating or if a sensor's accuracy will be affected by humidity or vibration. This information is crucial for automotive manufacturers to optimize their product designs, select appropriate components, and improve the overall reliability and durability of their vehicle electronics.
  • The ability to conduct repeatable tests with different environmental profiles, as mandated by automotive standards, is also a valuable function. This helps in comparing the performance of various electronic systems or product versions and identifying the most suitable design or manufacturing process. For instance, a manufacturer can test multiple prototypes of an infotainment system under the same temperature, humidity, and EMI cycling conditions and analyze the results to determine which design offers the best performance and stability.
• Enhanced Automotive Electronic Product Quality and Innovation
  • Through comprehensive testing in the Customized Walk-In Environmental Chamber, automotive product developers can identify and address potential issues in their designs. If an electronic component shows signs of failure or degradation during the test, appropriate measures can be taken, such as improving the thermal management, enhancing the waterproofing, or adding EMI shielding. This leads to the development of more reliable and durable automotive electronics, reducing the risk of recalls and enhancing customer satisfaction. In the research and development field, it allows for the exploration of new materials and technologies, providing valuable data on their behavior under different environmental conditions. For example, researchers can study the performance of new semiconductor materials or advanced printed circuit board designs in extreme temperatures and humidity.
  • The chamber also serves as a valuable tool for quality control. By subjecting automotive electronics to standardized environmental tests, manufacturers can ensure that their products meet the required quality and performance standards. This helps in building a reputation for quality and reliability in the highly competitive automotive market, which is essential for long-term success.
• Compliance with Automotive Industry Standards and Regulations
  • The compliance of the test chamber with relevant automotive industry standards is a key aspect of its functionality. The automotive industry is highly regulated, and products must meet specific standards to be accepted for use. By using this chamber to conduct tests in accordance with standards like ISO 16750, CISPR 25, and SAE J1455, manufacturers can prove that their products are safe and reliable. Regulatory bodies rely on accurate test results obtained from such chambers to enforce safety and quality regulations, ensuring the proper functioning of automotive electronics and the overall safety of vehicles.

5. Production and Quality Assurance

• Stringent Manufacturing Process
  • The Customized Walk-In Environmental Chamber is manufactured under strict quality control procedures. Each component, from the refrigeration system to the EMI testing equipment and precision sensors, is carefully sourced and inspected for quality and performance. The assembly process is carried out by highly trained technicians with extensive experience in automotive testing equipment manufacturing in a clean and controlled environment. The chamber undergoes a series of calibration and validation tests during the manufacturing process to ensure that it meets the required accuracy and performance standards.
  • The calibration of the temperature, humidity, vibration, EMI, and other sensors is a critical and regular part of the manufacturing process. It is performed using traceable reference standards that are calibrated to the highest levels of accuracy, guaranteeing the reproducibility of the test results. Rigorous quality audits and inspections are conducted at various stages of production to maintain the highest level of product quality and compliance with automotive standards.
• Quality Certification and Validation
  Our chamber has obtained relevant quality certifications and has been validated by independent automotive testing laboratories. It has been proven to provide accurate and reliable test results, conforming to the relevant automotive standards. We also continuously update and improve our product based on the latest technological advancements and customer feedback from the automotive industry to ensure its long-term performance and compliance.

6. Application Areas and Success Stories

• Automotive Original Equipment Manufacturers (OEMs)
  • A leading automotive OEM used the Customized Walk-In Environmental Chamber to test the new electronic architecture of their upcoming vehicle model. The tests revealed that a particular communication bus in the system was prone to EMI interference from other components. By redesigning the bus layout and adding additional shielding, they were able to improve the system's reliability and communication integrity, ensuring seamless operation of various vehicle functions.
  • Another OEM tested their advanced driver-assistance systems (ADAS) in the chamber. The testing identified a weakness in the temperature stability of the sensors used in the ADAS, which could affect their accuracy in extreme heat. By implementing better thermal management solutions and conducting further tests, they were able able to enhance the performance and safety of the ADAS, providing drivers with more reliable and accurate assistance.
• Tier 1 Suppliers
  • A Tier 1 supplier of automotive wiring harnesses used the test chamber to evaluate the durability of their products under different environmental conditions. The tests showed that a certain type of connector in the harness was vulnerable to corrosion in high-humidity environments. By switching to a more corrosion-resistant connector and conducting additional tests, they were able to improve the quality and reliability of their wiring harnesses, reducing the risk of electrical failures in vehicles.
  • A supplier of automotive infotainment systems used the Customized Walk-In Environmental Chamber to test the compatibility of their system with different vehicle electrical environments. The testing helped them optimize the power management and EMI suppression features of their system, ensuring smooth integration and operation in a wide range of vehicles.
• Research Institutions
  • A research institution focused on automotive electronics used the chamber to study the effects of long-term exposure to vibration and temperature cycling on lithium-ion batteries used in electric vehicles. The data obtained led to the development of improved battery management systems and packaging designs, enhancing the lifespan and safety of electric vehicle batteries.
  • Another research institution investigated the impact of high-intensity EMI on the performance of automotive radar systems. The results of their studies enabled the development of more robust radar systems with enhanced EMI immunity, improving the accuracy and reliability of vehicle sensing and collision avoidance capabilities.

7. Service and Support

• Pre-Sales Technical Consultation
  Our team of automotive experts provides in-depth technical consultations to help customers understand the capabilities and suitability of the Customized Walk-In Environmental Chamber for their specific testing needs. We offer demonstrations and training, tailored to the automotive industry, to familiarize customers with the operation and functionality of the equipment before purchase. We also assist in selecting the appropriate test methods and accessories based on the automotive electronics and electrical systems to be tested.
• After-Sales Service and Maintenance
  We offer comprehensive after-sales service, including on-site installation and commissioning. Our technicians are available for regular maintenance, calibration, and emergency repairs. We provide spare parts and upgrades to keep the test chamber operating at peak performance. We also offer service contracts that include preventive maintenance and priority technical support, ensuring the long-term reliability and availability of the equipment for automotive electronic testing.
• Training and Technical Support
  We conduct training programs for new users to ensure they can effectively operate the Customized Walk-In Environmental Chamber and interpret the test results. Our technical support team is available 24/7 to answer questions, provide troubleshooting assistance, and offer guidance on test method optimization and compliance with automotive industry standards. We also provide software updates and support for the data acquisition and analysis systems, enabling customers to take full advantage of the latest features and technologies in automotive electronic testing.