The invention belongs to the field of warning devices, and particularly relates to a self-cleaning river water depth warning device which comprises two supports, a rotating shaft is rotatably connected between the two supports, a warning board is fixedly connected with the rotating shaft, a drainage tank is fixedly connected with the warning board through a plurality of fixing blocks, and a plurality of spraying holes are formed in the drainage tank. The spraying holes are opposite to the warning board, a water tank is fixedly connected with one of the supports, sliding grooves are formed in the inner walls of the two sides of the water tank, the two sliding grooves are jointly connected with a sliding plate in a sliding mode, and a photoresistor and an electromagnetic relay are arranged on the water tank. By utilizing the characteristics of day and night light change and ammonium chloride reaction, the device can be self-cleaned at night, the cleanness of the warning board is ensured,the warning board is prevented from being corroded by dust and influencing the use, and the device is powered by solar energy, so that the complexity of an external power supply is avoided.
本发明属于警示装置领域,尤其是涉及一种自清洁江河水深警示装置,包括两个支架,两个所述支架之间转动连接有转轴,所述转轴上固定连接有警示牌,所述警示牌上通过多个固定块固定连接有排水箱,所述排水箱上开设有多个喷洒孔,且喷洒孔与警示牌相对设置,其中一个所述支架上固定连接有水箱,所述水箱的两侧内壁均开设有滑槽,且两个滑槽共同滑动连接有滑板,所述水箱上设置有光敏电阻和电磁继电器。本发明可利用昼夜光线的变化和氯化铵反应的特点,使得装置可以在夜间进行自清洁,保证了警示牌的洁净,避免警示牌被灰尘腐蚀,影响使用,且本装置通过太阳能供电,避免了外接电源的繁琐。
Self-cleaning river water depth warning device
一种自清洁江河水深警示装置
2021-02-05
Patent
Electronic Resource
Chinese
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