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source:Industry News release time:2023-08-10 Hits: Popular:Infrared sensing module
For the convenience of travel, many people choose to purchase a car and will be equipped with a dash cam after purchase. On the one hand, it is to protect one's legitimate rights and interests, better restore the true situation in the event of an accident, and provide evidence for accident judgment; On the other hand, it can serve as driving or parking monitoring to constrain car owners to comply with laws and regulations, while also providing security for property safety, effectively preventing violations, collisions, and other situations from occurring.
There are many types of tachographs available on the market, such as rearview mirror type, hidden type, screenless type, and special car type. Moreover, the dash cam has many functions, such as high-definition video recording, emergency recording, assisted driving, night vision effects, recording, etc. In order to avoid the malfunction of the driving recorder due to high temperature, it is necessary to add NTC thermistors for temperature protection, temperature monitoring, and temperature control. At present, the development trend of tachographs is towards compact and hidden devices, so most manufacturers will use SMD chip NTC thermistors for temperature monitoring in tachographs. Due to their small size, no leads, high accuracy, and cost-effectiveness, they are suitable for high-density surface mounting.
SMD chip NTC thermistors are generally welded to the printed circuit board of the driving recorder, and real-time temperature monitoring is carried out during the working process of the driving recorder. When external temperature affects the operation of the dash cam, the thermistor plays its temperature protection role, avoiding the printed circuit board of the dash cam from failing due to high temperature.
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