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What's the quality of the solar garden lamp?
- Power supply efficiency of LED street lampThe input power minus the output power value of this parameter is particularly important, the greater the value of efficiency is low, it means that there is a large part of the input power is converted into heat emitted; if it is installed in the lamp will produce a very high temperature, a light effect of our LED plus than the heat that will produce higher temperature superposition.And all of our internal power electronic component life will decrease with the increase in temperature. So the efficiency is the most fundamental factor power life, efficiency is too low, otherwise the heat consumption in the power supply is too large. Non isolation efficiency is higher than the isolation type, generally more than 80% on it, but the efficiency and the light plate matching method relateds
What's a good place for solar garden lamps? Why should solar garden lamps be worth buying?
- But that's one reason for the solar yard light quote, because the solar yard lights say the configuration is low, so the offer isn't that high. But there are still more reasons for that, solar LED courtyard lamp energy saving, through the scientific and technological level of solar energy as a source of energy use, as well as its shape, can meet people's pursuit of different styles.s
Is there a difference between the landscape lamp and the courtyard lamp?
- Mainly for narrow, slow lane, pedestrian road, small square lighting provided garden lighting, garden environment is one of the most commonly used lighting formsThe landscape lamp pursues the characteristics of the appearance of the lamp and the lighting effect of the night scene. The courtyard lamp cares more about the simplicity of the lamp appearance and the effect of night illumination. The selection of landscape lamp and courtyard lamp should be coordinated with the theme of garden wind or theme.s
How to lay the courtyard lamp in the district?
- 1. AC power supply is 15% less efficient than solar energy, that is to say, to obtain the same output power, the AC power will be more than 15% of the input power. And the power factor, if not compensated, will lead to reactive power increase of the grid.2., the biggest advantage of solar LED street lights is that they don't have to pay the electricity bill at all. A 250 Watt High pressure sodium lamp costs about 766 yuan per year. 20 million street lamps, electricity, an expenditure is 15 billion 330 million yuan.3. ordinary high-pressure sodium lamp life is only 3000-5000 hours, and LED life of up to 30000-50000 hours, and with the progress of technology, LED life is likely to be as high as 100 thousand hours.s
The courtyard lamp is a few lines
- Look at the effect you want to achieve, the work must be three road control line should be enough of 2; of course, also useful four lines, generally used to use a zero line on the line, the other line of fire is to split.s
What does the "40WP" in the technical parameters of the solar LED courtyard lamp mean?
- Wp is the abbreviation of solar cell peak power, that is, Wp=Wpeak, each day with the sun's angle is different, the output power is also different. Maximum output power expressed by Wp.s
How many watts of energy saving lamps are suitable for the three meter courtyard lamp? How many watts of LED?
- The courtyard needs a brighter light, energy-saving lamps to light 65W, LED need to see the light effect is the brightness of the LED lamp, some 20W will be able to meet your needs, personal recommendation LED lamp, although the cost will be expensive, but a lot of electricity a year, the cost on the back, life is still very long. Good, do not often change so much troubles
What is the distance between 4 meters courtyard light?
- This is related to your degree of illumination, generally between 5-15M, this by your own choice, you feel good on the line, but the general 10-15M this distance is good, not black, and not dense ~!s
Specifications and details about emergency blue lights
- Emergency blue lights provide worthy vehicle flash light bar, it is completed soft and waterproof, faster strobe to be used for an Emergency lights on the vehicle.Emergency blue li...
What's led lighting system
- LED Lighting System Integrated LED Garden Wall Light integrates the green-energy parts:High efficiency monocrystalline solar panel, LED light source, PIR motion sensor, Lithium bat...
What's the advantages of motion sensor outdoor lighting
- There are many advantages of motion sensor outdoor lighting:such as Sensor sensitivity Horizontal angle 100°Vertical angle 60° Distance 4 M. The 6 LED motion sensor light is desi...
What's led flashing lights
- Led flashing lights are extremely easy to use and install. When activated, this amazing LED light is nearly impossible to miss, which helps first responders increase their visibili...
How do traffic light cameras work
- Traffic light cameras, as the name implies, is the traffic light cameras, of course, not every intersection will be installed. This is to prevent people who do not obey the traffic...