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Composition and material selection of new energy harness

2023-01-04 16:42:51 美工

The circuit group provides the overall service equipment for a certain load source group, such as trunk lines, switching devices, control systems, etc. The basic research content of traffic theory is to study the relationship between traffic, call loss and harness capacity. Therefore, harness is an important basic concept in traffic theory.

Composition of new energy harness:

1. In order to facilitate installation and maintenance and ensure that electrical equipment can work under harsh conditions, wires of different specifications and colors used by electrical equipment of the whole vehicle are reasonably arranged and integrated, and wires are bundled with insulating materials, complete and reliable.

2. Select wire sectional area and color code normally.Correctly select the wire sectional area.The electrical equipment on the vehicle shall select the sectional area of the wires used according to the load current. 60% of the actual current carrying capacity of the wire can be selected for electrical equipment that works for a long time; For electrical equipment working for a short time, 60% - 100% of the actual current carrying capacity of the wire can be selected.

3.Select the wire color code.To facilitate identification and maintenance, the wires in the harness are of different colors.In order to mark on the circuit diagram conveniently, the color of the wire is indicated by letters, and the color represented is attached to each circuit diagram.

Material selection of new energy harness:

The quality of harness materials directly affects the quality of harness. The selection of harness materials is related to the quality and service life of harness. Remind all of you that you must not be greedy for cheap when choosing wire harness products. Cheap wire harness products may use low-quality wire harness materials. How to distinguish the harness quality? The harness is generally composed of wires, insulating sheath, terminal blocks and binding materials. As long as you know these materials, you can easily distinguish the quality of the harness.

1、 Select the material of the terminal block.

The copper of terminal materials (copper parts) is mainly brass and bronze (the hardness of brass is slightly lower than bronze), of which brass accounts for a large proportion. In addition, different coatings can be selected according to different needs.

2、 Selection of insulating sheath.

The commonly used sheath materials (plastic parts) mainly include PA6.PA66.ABS.PBT.PP, etc. Flame retardant or reinforcing materials can be added to plastics according to the actual situation to achieve the purpose of strengthening or flame retardant, such as glass fiber reinforcement.

3、 Selection of harness wires.

Select the corresponding wire materials according to different use environments.

4、 Selection of bundling materials.

The harness bundling plays the role of wear resistance, flame retardancy, corrosion prevention, interference prevention, noise reduction and beautification. Wrapping materials are generally selected according to the working environment and space. The choice of bundling materials usually includes adhesive tape, corrugated pipe, PVC pipe, etc.