Category:Knowledge
ONE. What are the common failures of the energy storage harness?
1. Problems of poor contact
The metal conductor inside the energy storage harness is the core part of the terminal, which transmits the voltage, current or signal from the external wire or cable to the contact corresponding to its mating connector. Medical harnesses are used to transmit information signals or operating signals in strings of wires and cables in general. Therefore, the contact must have excellent structure, stable and reliable contact holding force and good electrical conductivity. As a result of the structural design of the contact parts is unreasonable, the material selection error, mold instability, processing size is poor, surface roughness, heat treatment plating and other surface treatment process is unreasonable, improper assembly, storage and use of harsh environments and improper use of the operation, will be in the contact parts of the contact parts and with the parts caused by poor contact.
2. Poor insulation
The role of the insulator is to make contact with the correct position of the arrangement, and make contact with the contact between the contact, contact with the shell between the insulation. Therefore, the insulator must have excellent electrical properties, mechanical properties and process molding performance. Especially with the high-density, miniaturized energy storage harness is widely used, the effective wall thickness of the insulator is getting thinner and thinner. This puts more stringent requirements on the insulating materials, injection mold precision and molding process. Due to the insulator surface or internal presence of metal excess, surface dust, solder and other contaminants damp, organic material precipitates and harmful gases adsorption film and the surface of the water film fusion to form an ionic conductive channel, moisture absorption, mold, aging of insulating materials, etc., will result in short-circuiting, leakage, breakdown, low insulation resistance and other insulation defects.
3. Fixed bad problem
Energy storage harness insulator not only plays the role of insulation, usually also for the outstretched contact parts to provide the alignment and protection, but also has the installation of positioning, locking and fixing in the function of the equipment. Fixed poorly, the light impact on the contact reliability caused by instantaneous power failure, the seriousness of the product disintegration. Disintegration refers to the energy storage harness in the plug state, due to materials, design, technology and other reasons resulting in unreliable structure caused by the plug and socket between the pins and jacks between the abnormal separation, will cause the control system power transmission and signal control interruption of the serious consequences. Due to unreliable design, wrong material selection, improper selection of molding process, poor quality of heat treatment, molds, assembly, fusion bonding and other processes, assembly is not in place and so on will cause poor fixing.
In addition, due to plating peeling, corrosion, bruising, plastic shell flying edge, rupture, contact parts processing roughness, deformation and other reasons caused by the poor appearance, due to the positioning of the locking fit dimensions are too poor, processing quality consistency is poor, the total separation force is too large reasons caused by the poor interchangeability, is also a common problem. These kinds of faults can generally be found in the energy storage harness inspection and use of the process of timely elimination.
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