Application of wiring harness tester in automobile wiring harness testing and layout

With the development of science and technology, the market has put forward higher requirements for the safety and comfort of automobiles. Performance improvement also means that the number and complexity of wiring harnesses in the car body have increased. As a result, how to more effectively and reasonably arrange a large number of wiring harnesses in the limited car space has become a problem faced by the automotive manufacturing industry.

So what issues should be paid attention to in the layout of automotive wiring harnesses?

　　1. The wiring harness fixing points are arranged reasonably and fixed reliably

　　(1) According to the actual installation position of the wire harness on the vehicle, in order to avoid the wire harness from sagging or shifting, and considering the weight of the wire harness, the fixing method and the convenience of the fixing position, the wire harness must be fixed with sufficient and reasonable fixing points and fixing methods.

　　(2) Fixed points are set according to the direction of the wiring harness and the specific shape of the vehicle body. The distance between two fixed points on a straight line without a fulcrum is generally not more than 300 mm; one fixed point can be arranged at the obtuse turning point; two fixed points are required at the right-angle turning point; acute turning points should be avoided in the wiring harness.

　　(3) Select the type and size of the fixing buckle according to the shape and outer diameter of the wire harness, and make sure it can withstand the weight of the wire harness.

　　(4) Consider setting a fixing point at a suitable position no more than 120 mm in front of the connector where it is connected to other wiring harnesses and electrical components.

　　(5) Consider setting a fixed point on the main line at the fulcrum position, with the distance between the fixed point and the fulcrum no greater than 100 mm.

　　(6) There must be enough space in the installation direction of the fixed buckle to facilitate the installation and removal of the buckle.

　　2. Neat appearance and bundled configuration

　　(1) The wiring harness should be arranged along the edge and along the groove (the wiring groove designed on the body) to avoid direct pressure on the wiring harness. No wiring harness should be exposed in the cab; in the position where the wiring harness can be observed, such as: the cabin, set a striking attraction point or eye-catching color, and the wiring harness installed here will not be prominent or conspicuous.

　　(2) In the projection direction, the array should be arranged in a horizontal and vertical chessboard pattern, avoiding diagonal arrangement.

　　(3) The gap with the pipeline is uniform, and the gap with surrounding parts is reasonable.

In addition to paying attention to the layout of automotive wiring harnesses, it is also important to ensure that the wiring harnesses are safe and meet quality requirements during production and processing. When testing wiring harnesses, we generally choose a suitable wiring harness tester to conduct.

ATX-3000S Series Desktop Harness Tester

Insulation test detection voltage DC50V-750V

Withstand voltage test voltage AC50V-500V

Four-wire resistance test, minimum test accuracy 0.002 ohm

It has a self-learning function, can quickly detect the connection relationships such as the path, short circuit, and open circuit of the wiring harness, help users to compare and analyze data, and automatically record test reports. The maximum test points can reach 65536, and the channels can be quickly expanded. It is compatible with intelligent testing software and a large database. It can automatically reset after high-voltage detection, making cable testing safer.

Support WIFI wireless communication, RS232 control port, USB and other interfaces are optional, convenient peripheral connection, suitable for stand-alone operation or computer operation, equipped with win10 operating system and 10-inch multi-point capacitive touch screen, test operation is more convenient and full of technology.

Optional accessories for the instrument include printer, probe, adapter plate, and calibration accessories.