The main reasons for lawn lamp failure are described below
- Poor construction quality
Faults caused by construction quality account for a larger proportion. Main manifestations: First, the depth of the cable trench is not enough, and the construction of sand-covering bricks is not carried out according to the standard; the second is that the production and installation of the aisle pipe does not meet the requirements, and the two ends are not made according to the standard. The third is when laying the cable. Dragging on the ground; fourth, the embedded pipe of the foundation is not constructed according to the standard requirements, mainly because the embedded pipe is too thin, plus a certain degree of curvature, it is quite difficult to pass the cable, and there is a "dead bend" at the bottom of the foundation; It is because the thickness of the wire nose crimping and insulation wrapping is not enough, it will short-circuit between phases after a long time of operation.
- The materials are not good enough
Judging from the failure situation of the situation in recent years, low material quality is also a big factor. The main performance is: the wire contains less aluminum, the wire is relatively hard, and the insulation layer is thin. This is more common.
- The quality of supporting projects is not too hard
Lawn light cables are generally laid on the green belt. The construction quality of the sidewalk is poor, and the ground sinks, which causes the cable to be deformed by force, resulting in cable armoring. Especially in the northeast region, which is located in the high cold zone, the winter comes, so that the cables and the soil form a whole. Once the ground subsides, it will be strained at the bottom of the lawn lamp foundation, and in the summer when there is a lot of rain, it will burn at the foundation root.
- Unreasonable design
One aspect is overload operation. With the continuous development of urban construction, lawn lights continue to extend. When new lawn lights are built, they are often close to which lawn lights are connected to which circuit. In addition, the advertising business is developing rapidly, and the advertising load is also connected to the lawn lights. The load of the lawn lamp is too large, the cable is overheated, the wire nose is overheated, the insulation is reduced, and the grounding short circuit occurs; on the other hand, the light pole design only considers the light pole itself, ignoring the space of the cable head, and the cable head After wrapping, most of them cannot even close the door. Sometimes the cable length is not enough and the joints do not meet the requirements. This is also the factor causing the failure.
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