Popular science knowledge related to harness products

Wire Harness Application Classification House Wire Harness
Household wire harness: the product is mainly used in the transmission control of signals, electricity and power supply inside the home appliance.
For example: air-conditioning power wiring harness, water dispenser wiring harness, computer internal power supply wiring, coffee machine, egg beater and other signal wiring, TV wiring harness and other product wiring harnesses that we can call white goods. There is no home appliance circuit. At present, whether it is a high-end luxury home appliance or an economical ordinary home appliance, the wiring harness is basically the same, and it is composed of wires, connectors and wrapping tape. Home appliance wires, also known as low-voltage wires, are different from ordinary household wires. Ordinary household wires are copper single-core wires with a certain hardness. The wires of home appliances are all copper multi-core soft wires, some soft wires are as thin as a hair, a few or even dozens of soft copper wires are wrapped in plastic insulating tubes (polyvinyl chloride), which are soft and not easy to break. The commonly used specifications of the wires in the household wire harness have a nominal cross-sectional area of 0.5, 0.75, 1.0, 1.5, 2.0, 2.5, 4.0, 6.0, etc. Each of them has a allowable load current value and is used for different power electrical equipment. specification wire.
Household wire harness is one of the lowest-end products in the current wiring harness products. It is the simplest in terms of technical content and product supply chain. At present, most workshop-style factories are mostly such supporting products.

Application classification of wiring harness – railway locomotive wiring harness
Railway locomotive wiring harness: products are mainly used in power system connections, (including input and output of two-phase and three-phase power supplies), communication system connections, (including door control of new railway passenger cars, closed-circuit television, communication and electrical signals) Connection) control system connection (connection to the control system of the railway electrical part) and connection to the internal electrical system.

With the acceleration of my country’s urbanization process, the core technology of subway vehicle design and installation is also developing continuously. According to the principle of subway vehicle electrical wiring assembly process, analyze the specific technology of subway vehicle electrical wiring assembly. When assembling subway vehicle electrical wiring, care should be taken to ensure that the counterweight of each car is basically the same, and the electrical wiring of each unit car is evenly distributed, so as to ensure the subway The stability of the vehicle while driving, while ensuring the normal operation and use of the braking function of the subway vehicle, and improving the service life and years of the subway vehicle, the wiring harness requirements are very complicated and there are very detailed requirements on the wiring, which is difficult for ordinary enterprises Obtain relevant product production qualifications.

Wind power generation wiring harness for application classification of wiring harness
Wind power connection cables: The products are mainly used in the connection of frequency conversion systems and control systems in cabinets. The internal links of the system are mainly wind turbine blades, gearboxes, nacelles and towers. Since wind farms are mostly located in areas with relatively harsh climate conditions, the key performance of this product is the low-temperature torsion resistance of the cable and the flexibility of the cable at low temperature. Cables must maintain excellent electrical and mechanical properties in environments with temperatures ranging from -50°C to +80°C.
Wind power “use” is the key to connector selection, and price is no longer the key factor in connector selection. From cables to connectors are all materials from major manufacturers in the industry, so the profit margin of this part is generally better.

The application classification of wire harnesses and other types of wire harnesses
Of course, the wiring harness will definitely not be as few types as the editor has sorted out. Generally speaking, the above wiring harness types are the current mainstream products. The overall learning ability of the current wiring harness industry is very strong, but the design and independent innovation capabilities are slightly insufficient. Most wire harness manufacturers have poor independent design and development capabilities. Basically, most of them stay at the low level of introduction and imitation. The biggest problem should be that there is no core technology, basic technology plagiarism, and vicious competition. In summary, high-end No, the low-end peers compete with themselves to death, have not yet fully mastered the design technology of wire harness processing and equipment, and have not formed a development mechanism for the organic combination of products, materials, processes and equipment for wire harnesses and wire harness equipment. In the future, with the gradual development of the wire harness market The situation is big, the market will usher in a turning point!

In recent years, the rapid development of the electric vehicle manufacturing industry and the popularization of the 5G communication market, including the continuous development of household appliances in rural areas, have given the wiring harness market a good opportunity for development. Nowadays, the development market prospect of China’s wire harness market is happy, because the development of many fields must use wire harnesses, so the market demand for such products continues to rise, which is conducive to promoting the development of wire harness production equipment. For products such as wire harnesses, the market has higher and higher requirements for their quality and productivity. Some traditional manufacturers have been unable to adapt to the development of this period, and the current automation technology, precision and efficient operation of the wire harness industry continue to develop. In the future development, the production and processing industry chain of the wire harness may innovate independently, and its manufacturers will carry out the construction of an independent industrial chain, and the upgrading of related industrial chains will bring more customers better and higher quality products. If you want to know more about the application of automation equipment in automation, saving time and effort instead of labor, etc. In 2022, Shenzhen World Convention and Exhibition Center and Guangzhou Convention and Exhibition Center will have many exhibitions of factory wiring harnesses, connectors, and intelligent manufacturing equipment. You can visit together to learn more about industry trends!

Post time: Dec-23-2022