Changhui solar street lamp manufacturer briefly describes the configuration characteristics of lighting equipment

　　 Road lighting equipment light sources are generally divided into three types: cut-off type, half-cut type, and non-cut-off type. The first two types are suitable for lighting on most roads in cities with high brightness and uniform illumination. However, there is a disadvantage that the shape of the light source itself cannot be reflected due to the effect of glare after the light source is lit. The latter is more suitable for courtyard lighting, the lamp is beautiful, the disadvantage is that the waste of light source is very serious and the illuminance is not very high. When the solar street light system is configured with an energy-measuring component voltage of 36V, the battery voltage must not be lower than 2/3 of the component voltage, so the voltage of the battery, controller and light source cannot be lower than 24V. Similarly, if the component voltage is 18V, The voltage of battery, controller and light source should not be lower than 12V. AC load can also be selected under special circumstances, but an inverter must be added to work normally. When selecting an AC load, the system's DC voltage should be increased as much as possible to reduce the loss on the line when conditions permit. The selection of the system's DC input voltage should also consider the selection of electrical components such as controllers and inverters. .　　 The controller is made of stainless steel, which is beautiful and durable. The design of the charge and discharge controller takes into account the functions of light control, time control, overcharge protection, over discharge protection and reverse connection protection, etc., and can achieve half power control for a specified period of time. The main function of the charge and discharge controller is to protect the battery, which can achieve a high cost performance. A maintenance-free lead-acid battery and a charge-discharge controller are placed in the control box. For solar street lights, the overall system configuration calculation formula is as follows: 　　P u003d light source power × light source working time/peak sunshine hours, where P is the power of the battery module, in W; 　　 light source working time unit is h; peak sunshine hours unit is h ；0.9 are the comprehensive coefficients of the battery’s Coulomb efficiency and battery component attenuation, square matrix combination loss, dust shielding, etc.; the power of the component attenuation for 10 years can still reach more than 90% of the original, and the solar battery component is a monocrystalline silicon material with a long service life. It will be less than 25 years.