Infrared thermal imaging technology is more and more used in various fields of automotive product research and development due to its advantages of non-contact large-scale temperature measurement, such as research and development of automotive power systems, braking systems, automotive electronics, and automotive interiors. Testing and production process control play a huge role.
Temperature test for automotive headlight R & D
Heating status of halogen headlamp wick
LED headlight heating status
At present, halogen light sources and LED light sources are the two most important designs of car lights, but these two designs are limited by heat generation: the halogen light source has a large amount of heat, which easily deforms the cover of the car's headlights; Although the calorific value is small, the temperature is not accurately controlled, which will affect the color of the light source. For example, white light will become light of other colors at different temperatures. So the site is testing
The temperature distribution of different light sources in order to adjust the design of the lamp, especially the heat dissipation design, to meet the quality requirements and design life of the lamp.
2. Detection of temperature distribution of electronic devices and circuit boards
With the rapid development of automotive electronic technology, the proportion of electrical and electronic parts in vehicles is increasing, and its quality directly affects the safety of vehicle use. In research and development and production, thermal imaging cameras can be used to detect changes in the high temperature points of electronic components over time, simplifying the inspection process, improving work efficiency, and greatly improving product quality.
Automotive electronic component circuit board temperature distribution detection
3.Engine cylinder block and exhaust pipe temperature detection
When the engine is operating, a large amount of heat is generated. The temperature performance of each link has a direct relationship with the working state of the engine. By detecting and analyzing the engine's performance temperature, engineers can understand the engine's working performance and status, and improve its performance and maintenance.
Engine shell heat dissipation test
Catalytic exhaust gas purifiers can only work within a certain temperature range: when a car is cold-started, catalytic exhaust gas purifiers can hardly reduce pollutants in the exhaust gas; it may also be possible if the purifier is exposed to extremely high temperatures Will shorten the life of the purifier, or lose the purifying effect. Therefore, the thermal imager can be used to place the catalytic exhaust gas purifier in a more suitable position away from the engine to ensure the normal use of the purifier.
4. Stamping process inspection
According to statistics, 60% to 70% of the parts on automobiles are produced by stamping process. This is a very important step in automobile manufacturing. Therefore, stamping technology has an important impact on the product quality, production efficiency and production cost of automobiles.
Stamped and formed central control board
After the steel sheet is stamped and formed, you can use an infrared thermal imager to detect whether the surface temperature of the steel sheet is uniform. An ideally shaped car shell.
5. Fuel nozzle combustion efficiency test
Burning fuel nozzle
Use the infrared thermal imaging camera to evaluate the combustion efficiency of the fuel nozzle. During the testing process, the infrared thermal imaging camera, the fuel nozzle and all parts of the site are consistent. Through software calculation, the average energy of the flame radiation in the infrared thermal image can be obtained. Used to evaluate the effectiveness of a fuel nozzle.
Using an infrared camera can directly display the working status of the entire tire, reflecting the working performance of the tire. When designing and producing tires, tire design engineers can choose different materials to improve tire performance based on the pressure and friction they need to withstand.
Long-term tire heat detection
7, brake pads
If the temperature of the brake pad is too high, its efficiency will decrease. During sudden braking, the intense friction can cause the temperature of the brake discs and brake pads to reach 1000 ° C. If the friction material is too hard, it will cause the brake disc to wear faster, and the brake friction lining may crack or fall off during emergency braking, which will eventually lead to brake failure.
Using a thermal imager, engineers can fully understand the temperature change trend of the entire brake pads and the brake system. Based on this temperature change trend, the brake pad braking conditions and wear resistance can be analyzed.
Fever detection during brake pad operation
8.Electric heating seat detection
Due to the uneven distribution of the heating source, the seat may be heated unevenly. At the same time, the temperature may rise too quickly or too slowly. These conditions may cause discomfort to the human body. The infrared camera can intuitively and conveniently observe the uniform temperature distribution and temperature rise trend when the heating source is working. Use its continuous shooting function to analyze the electric heating wire on the thermal image at different times, and improve the design of the heating method. To make users safer and more comfortable to use.
Heating part of electrically heated seat
Infrared thermal imaging technology can be applied in many fields of automotive research and production. Infrared thermal imaging technology has become an indispensable backbone in industrial manufacturing, which has helped China's automotive industry to develop healthily and upgrade its technology.
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