Several key points of analyzing the safety performance of automobile connector
Safety is the primary issue.Automobile connector It plays an indispensable role in automobile components and provides power source for its automobile. So,Automobile connector The quality problem is the top priority and must meet the application specifications.
Safety and reliability are very important in automotive electronic systems. The connectors used in these applications must be easy to assemble and maintain, and the design must prevent damage to the connection during assembly. In addition, after the connector is paired with the equipment, it must maintain a reliable connection to ensure normal use in harsh working environment.
Automobile connector How the works:
According to wod Mackenzie, the latest forecast of power & renewables shows that the average annual growth of global wind power generation from 2019 to 2023 is $71, and the average growth from 2024 to 2028 is $76. The bnef report shows that wind and solar energy have become the new lowest price power supply in about two-thirds of the world. It can be cut directly, and the cost of wind power conversion has decreased sharply. Whether it is on land or in Haiti, its market value continues to rise. As the transmission data and reliable connection equipment and system transportation solution used by the fan, the production cost of customers can be reduced.
The automotive sector is the largest market for connectors,Automobile connector It accounts for 23.70% of the global connector industry. From the perspective of automobile, the largest plate of connector application, new energy vehicles are the biggest bright spot. Limited by technology, safety, standard certification and other issues, the traditional automobile adapter connector has always been controlled by foreign high-end enterprises, and Chinese connector enterprises have high obstacles to enter the traditional automobile field. With the rise of new energy vehicles, Chinese connector enterprises have successfully entered the new energy vehicle industry chain. Chinese brands of new energy vehicles occupy the main market in China. AVIC optoelectronics, a Chinese connector enterprise, has successfully supported Tesla, JAC, BYD and other new energy vehicles.
There are nearly 100 kinds of electronic connectors that need to be used in traditional vehicles, and the connectors used in a single model reach about 600, which are mainly used in engine management system, safety system, entertainment system, etc. Compared with traditional fuel vehicles, the demand for connectors of new energy vehicles has increased significantly. The value of low-voltage connector used by traditional fuel vehicles and bicycles is about 1000 yuan, while the material cost, shielding, flame retardant requirements and other performance indexes of high-voltage connector are higher than those of traditional low-voltage connector, and the value of connector used by new energy vehicles and bicycles is much higher than that of low-voltage connector. Among them, the value range of connectors for pure electric passenger vehicles and bicycles is 3000-5000 yuan, and the value range of connectors for pure electric commercial vehicles and bicycles is 8000-10000 yuan.
new energy Automobile connector There are various connection modes, which are basically divided into connector (connected with cable) and connector (connected with printed circuit board). Crimping and pressing in are the two most commonly used connection methods. This means that the word crimp can be used to express the two connection modes in Chinese. The definition of press in connector is to press the external force of pin pin (also known as terminal) into a hole smaller than the thickness. Because of the low cost, high efficiency, simple operation, high reliability, communication and computer industries with SMT (i.e. surface mounting technology is connection technology).
Electroplating plug (terminal) and injection (rubber shell) have two connection modes: independent plug and combined plug. In the connection mode, the manufacturer usually requires to check whether all plugs are missing and accurately positioned in the assembly stage. In addition, as in the normal test and stamping stage, the assembly of joints also challenges the test speed of the automatic test system. Most assembly lines are photographed once or twice a second, but for each connector passing through the camera, the vision system usually needs to complete many different inspection items. Therefore, the detection speed has become an important performance index of the system.
The actual position refers to the distance from the front end of each plug to the specified design reference line. The visual inspection process system must be the inspection of the correct position, which is another requirement of the connector assembly for the inspection system. Make this imaginary standard line in the inspection picture, measure the actual position of the front end of each plug, and judge whether it meets the quality standard. The standard point for delimiting the standard line is often invisible in the actual connector or appears on other planes, and the same lens cannot be seen at the same time. In some cases, the plastic of the connector housing must be ground to replace the position of the reference line.
The lithium battery used by new energy vehicles has a large capacity, which lasts for 400 km, the power consumption of 100 km is 14 km, the calculated charged capacity is 56 km and the weight is 350-400 km. Its working voltage range rises sharply from 14V of traditional vehicles to 400kwh. Therefore, the connector of new energy vehicles provides high-voltage connector, which is the heaviest V connector of new energy vehicles, and the corresponding high-voltage connector is required.
With the improvement of automobile intelligent level, in addition to the traditional engine management system and other equipment that need connector to connect data, the more and more advanced on-board entertainment system and intelligent driving system also have more and more strong demand for connectors.
Automobile connector The development of the industry is closely related to the maturity of the automotive industry. Generally speaking, the automobile industry in developed countries and regions such as the United States, Europe and Japan started earlier and is in a competitive position with long-term technology and customer accumulation. With the improvement of China's manufacturing level, the ability of domestic automobile connector manufacturers in mold development and product development and production has been continuously improved, and the industry competitiveness has been continuously improved. at home Automobile connector Subdivided industries, the main enterprises are Lixin precision, AVIC optoelectronics, run electronics, Changying precision, Shenglan technology, etc.
Shenglan Technology Co., Ltd_ It focuses on the production of electronic connectors and research and development of precision components. Its products are widely used in consumer electronics, new energy vehicles, USB, 5g and other fields. Its industrial lines cover the Pearl River Delta, Southeast Asia and other regions. It has established long-term strategic cooperation relations with well-known enterprises such as Foxconn, Lixun precision, Huawei, Xiaomi, TCL, Hitachi Group, BYD and Great Wall Motors, with IATF 16949, ISO9001 ISO14001, QC080000 and other system certification and product safety certification, and provide professional connection and manufacturing solutions for the industry http://jctc.com.cn/
