Safe energy-saving portable road construction warning sign

Abstract

The invention discloses a safe energy-saving portable road construction warning sign. The structure of the warning sign comprises a warning sign board, energy-saving prompting light beads, a light brightness controlling device, a solar battery cell, a foldable supporting frame, an infrared ranging device, a safe energy-saving control device and a portable handle, the warning sign board is of a rectangular structure, the energy-saving light beads are embedded in the front surface of the warning sign board and are electrically connected with each other through parallel connection, the energy-saving prompting light beads are electrically connected with the light brightness controlling device, and the solar battery cell is obliquely arranged above the warning sign board and is movably connected with the warning sign board through the foldable supporting frame. According to the warning sign, the brightness of the prompting light beads are controlled to be darker when no vehicles or pedestrians pass by, when the vehicles and the pedestrians pass by, the brightness of the light beads are automatically adjusted according to the range, the warning sign has a humming warning function, passing vehicles and pedestrians can be effectively warned to effectively improve the safety performance of the road construction warning sign, and functions of energy saving and power saving are achieved.

Description

technical field [0001] The invention relates to the field of road construction, in particular to a safe and energy-saving portable road construction warning sign. Background technique [0002] Road construction warning sign refers to a tool that is placed at a certain distance around the construction site during road construction to remind passing vehicles and pedestrians to detour or slow down. The warning sign must be strictly in accordance with the requirements of the "Road Traffic Safety Law", made of plastic A passive reflector made of reflective material. But there is following shortcoming in this road construction warning sign at present: [0003] 1. Its warning light is in the long-term high-brightness open state, which wastes electricity and has poor energy-saving effect. [0004] 2. It does not have the warning sound prompt function, and the warning effect is poor. Contents of the invention [0005] Aiming at the deficiencies in the prior art, the purpose of t...

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Problems solved by technology

[0005] Aiming at the deficiencies in the prior art, the purpose of the present invention is to provide a safe and energy-saving portable road construction warning sign to solve the problem that the warning light of the road construction warning sign in the prior art is in a long-term high-brightness open state, which wastes electricity and has poor energy-saving effect. , and it does not have the warning sound prompt function, and the warning effect is poor

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