Complex to add some control, constant current source and related heat treatment to make LED life and luminous intensity better.
Mainly for display advertising fonts LED module parameters <br> <br> Color: This is a basic parameter, the application of different colors on different occasions. According to the type of color can be divided into two kinds of monochrome, full-color single control. Monochrome is a single color and cannot be changed. Connected to the power to work.
Full color single point is the color that can be controlled to each module. When the number of modules reaches a certain level, it can achieve the effect of displaying pictures and videos. The full-color single point must add the control system to achieve the effect.
Voltage: This is a very important parameter. The current 12V low voltage module is quite common. When connecting the power supply and control system, be sure to check the correctness of the voltage value before you can power on, otherwise it will damage the LED module.
Operating temperature:: The temperature at which the LED is operating normally. Normally it is between -18°C and +58°C. If the range of requirements is relatively high, special treatment is required, such as adding air conditioners or exhaust fans.
Light-emitting angle: The LED module's light-emitting angle without a lens is mainly determined by the LED. Different light-emitting angles of the LED are also different. Generally, the light-emitting angle of the LED provided by the manufacturer is the angle of the LED module.
Brightness: When it comes to brightness, we think of the word high brightness, which is a parameter that people are more concerned about.
Brightness is a more complex problem in the LED. The brightness we usually refer to in an LED module is usually luminous intensity and transparency, which is generally obtained by adding the relative degrees of each module.
Waterproof grade: This is mainly for outdoor, this important indicator to ensure that the LED module can work long-term outdoors. It is usually best to have a waterproof rating of IP65 in full open air conditions.
Size: This is relatively simple, it is usually referred to as the length and width.
The maximum length of a single connection: This parameter is used more often in large projects. It means the number of connected LED modules in a series LED module. This is related to the size of the connecting line of the LED module. Must also be customized according to the actual situation.
Power: According to experience it has a special empirical formula:
The power of the module = the power of a single LED * the number of LEDs * 1.1 or more is the basic parameters of the LED module, usually the guests should pay attention to this problem when they buy led display screens, and can also pass this point to determine the appropriate Your needs. [Editor: ltongled]
Shutters are a style of Windows that originated in China. In ancient Chinese architecture, there were 
, which were used in all dynasties from the warring states period to the han dynasty. The vertical bar is called the mullion window, and there is a horizontal one, called the mullion window. The mullion window is a kind of original pattern of shutters, also can say it is the state of the shutter originally.
The leaves of the shutters are an important part of the shutters. When buying a shutter, it is best to first touch the blinds to see if the blades are smooth and uniform, and see if each blade will be trimmed. In general, the quality of the shutter in the details of the blade has good processing, especially in plastic, wood, bamboo production shutter blades, if the quality is better, so it will be a long service life.
The regulating rod is also a key part of the shutter. The control rod of shutters has two functions, one is to adjust the lifting switch of the shutter, the other is to adjust the Angle of the blade. When inspecting the adjusting lever, the shutters should be hung to test to see whether the lifting switch is smooth, and then turn the adjustment rod to see whether the blade's turnover is equally flexible.
Centrifugal Fan,AC Fan,DC Fan,Cross Flow Fan,Radiator Fan,Pipe Fan
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