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Two major advantages of ir led strips

Two major advantages of ir led strips
First,  low heat. All along, the biggest problem of infrared light board is board hot, if you solve the heating, the service life of infrared light board can be extended exponentially. LED infrared strip light is composed of a plurality of beads, is an independent luminous body of each led strip lamp, there have some space between the heat lamp and lamp, they are at work, less heat, heat is easy dissipated. Array infrared light board, it is a single high-power LED chips, in the power of work, not just the make a lot of heat, and the heat is difficult dissipated.

Second, long service life. Ir led strips has been used for 10 years in the security industry, and the array infrared light is only five or six years, I remember array of infrared light board just come out, people say the array light is good, but use after a period of time, get result that the array of Infrared more easily broken.This is true, usually the life of the LED infrared light board than the array of infrared light board much longer, the main reason lies in the array light board short life did not solve the problem of heat dissipation, heat is too large and can not be dispersed, and finally to the wick premature aging, shorten the service life.

The ir technical

With the development of economy, people in meet the basic needs of clothing, food, shelter , after the trip, People use these ir led and ir led strips to connect with Their lives, Especially  personal and asset security needs naturally elevated to a new height. Video monitoring because of its intuitive and continuity to become preferred way of security technology . Infrared night vision camera in meet the night environment hidden and shoot clear picture is widely used in video surveillance.

The technical principle

Infrared night vision camera is mainly used in visible strong light or dark light environment, using infrared transmitter device active infrared light is projected onto the object, after the infrared light reflected from an object, and enters the lens final the picture are emerging. At this time we are seeing is the reflection of infrared light into the screen, rather than visible light reflection into the picture, then it can be taken to the dark environment, invisible to the naked eye images Light is an electromagnetic wave, the wavelength range from several nanometers (1nm=10-9m) to 1 mm (mm). Visible to the human eye is only part what is called visible light and visible light in the wavelength range of 380nm~780nm and visible light wavelength from long to short is divided into red, orange, yellow, green, cyan, blue, purple, violet wavelength than known as the short ultraviolet wavelengths than red long known as the red outside light. Often people will be divided into the near infrared and far infrared, in the three part. Near infrared wave length of 0.75 ~ 3 micron to; infrared refers to the wavelength of 3 ~ 20 micron; far infrared refers to a wavelength of 20 to 1000 microns. Because the infrared light to visible light, the naked eye can not see it in the space of existence, and therefore an LED that emits infrared light emitting diode infrared light active form of infrared light is widely used in night vision surveillance require covert, in place Traditional low lights hidden night vision surveillance .Infrared light have different power and wavelength of 715 850nm, two kind wavelength determines the different infrared distance and effect

Infrared interface

Infrared communication is a kind of cheap, close, no wiring, low power consumption and strong secrecy communication program. in PC machine is mainly used in wireless data transmission but has gradually begun widely used in wireless network access and near distance remote control for home appliances. In view of the many advantages of infrared communication, and now almost all motherboards offer that an infrared interface for users easy to use it for communication with the device(infrared interface), such as notebook computers, printers, Modem, handheld computers, mobile phones and so on. But the computer motherboard only provides the infrared transmitting and receiving device interface, does not provide a complete, so users still need to purchase the infra-red connector when user want to use infrared communication.

The component selection

Select and test primarily components— receive launch tube and tubes.

1 test the infrared emission tube: infrared emission tube is actually special diodes(or is IR led strips), with a resistance profile measurement of millimeter , the launch tube reverse resistance is infinite, the forward resistance is generally about 500K. If you have a laptop, you can Take an infrared interface to PC and GND leads IRTX two lines, IRTX connect the positive launch tube, GND connected to the negative of the launch tube, the alignment of the launch tube infrared emission windows laptop, the infrared monitoring device of notebook computer “will find your PC”.
2 test the infrared receiving tube, infrared receiving tube is a diode, the forward resistance more than 500K, and is not affected by illumination, reverse resistance in the absence of direct light, generally more than 300K, the glare should be less than 10 ohm, sometimes is negative, because the PN junction diode will get electricity when the light energy into strong light,and formation of the 0.7V. node voltage .because in the light irradiation the PN junction diode, light will be converted into electrical energy, the formation of the node voltage 0.7V.

Infrared technology

Infrared technology
When an object’ temperature is higher than above absolute zero, able to produce infrared radiation as ir led strips. The wavelength of the radiation is widely used,  but we are committed to the use of such radiant energy, in fact cannot heating on an object to be heated direct. Infrared ray is a kind of electromagnetic radiation,
visible light wavelength is long, generally in accordance with the peak energy or peak emission wavelength is divided into the following three:

LW: ceramic infrared radiation heater

ceramic infrared
ceramic infrared equip

MW: quartz plate infrared radiation heater

Sw: quartz halogen infrared radiation heater

quartz plate infrared radiation
quartz plate infrared

LED pixel module

Pixel Light is a new technology, the luminous way for electronic transitions radiative recombination luminescence. A LED pixel has seven-color light (red, yellow, green, cyan, blue, purple, white), color stability, without affecting color life span: safe, reliable, it is a cold light source, no heat: the operation is simple, with full sealed structure (as shown in figure 8-38), not afraid of wind and rain, all-weather the use of.
The led pixel controller is designed to control the dream pixel lights, it can be fantastic pixel light point by point control by computer or DI\ console,which can produce a variety of lighting effects to achieve the animation, also can connection or disconnection play of computer, the led pixel controller is dream ideal control tool for large-scale indoor and outdoor LED display pixel lights, it can be through with a computer or a D hole only console control underwater lights and spotlights. Universal sign controller can be used to control the lamp composed of pixels in small sign, the word size of not more than 1.5mx1.5m, but no more than 16 words, each word can be divided into 8 different regions, independently controlled.

There are two sets of output line, are respectively connected with the two plug, one of which is male and the other is female connector. Male lead line corresponding to the input signal,
the female output signal line corresponding to the input signal.
Pixel lights are widely used in building, curtain wall, residential, commercial plaza, high-grade office buildings, bridges, highways and other architectural lighting; cultural landscape, landscape, tourist attractions and other decorative landscape lighting; bar, KTV and other entertainment venues, stage performances, parties, concerts, media advertising decoration, decoration and other commercial lighting.

Comprehensive analysis of LED pixel display

 Comprehensive analysis of LED pixel display

Pixel” is a unit used to calculate the digital image,just like the picture of photography, digital imaging has dense gradation continuity, if we put the image enlarged several times, will find these continuous tone is composed of many small points with similar color composition, the smallest unit of  the small image is formed pixel .According to the theory of color, we know that the red (R), green (G), blue (B) is regarded as one of the three primary colors. These three colors can be combined to obtain any color from black to white. In the display of the LED classification, a monochrome display, color display. Color is relatively simple, only need to select any  a color in three primary colors to achieve  LED pixel module display.http://www.ledlightmake.com/bmz_cache/Hot%20Selling%20WS2801%20LED%20Pixels5.jpg
 In practical application, select the red LED lights more. In this case, a red LED lamp is one pixel. As shown in figure 1.

LED pixel project

LED pixel project

 figure 1.

Full color LED display to show a variety of colors, so it can show different color from black to white,
so the
full-color display  need to three primary color can show a variety of colors for customer.    and is divided into real and virtual pixel display pixel display.  because of the display technology is not the same Both, so the pixels which are not the same. As shown in Figure 2

LED pixel  project
LED pixel project

Figure 2

Key concept of LED display

Key concept of LED display

With the rapid development of technology of LED display screen, and the global LED market has a good scene, we have to say this is big time belongs to LED. Every field more and more companies and hotels have started to adopt the LED display. LED electronic display screen, full-color LED display and LED display products have diversified development, LED display the main technical key words as follows:
1, LED brightness: brightness light-emitting diode generally adopt the luminous intensity (Luminous Intensity) to experss, the unit is Candela CD; 1000ucd (micro Candela) =1 MCD (don Candela), 1000mcd=1 cd. single LED light intensity is 500ucd-50 mcd in Indoor, and outdoor single LED light intensity should normally be 100 mcd-1000 mcd, 1000 mcd even more.
2, LED pixel module:  . Indoor display commonly used with 8*8 pixel module, 8 words 7 digital module. Outdoor display pixel module is 4 x 4, 8 x 8, 8 x 16 pixels and other specifications.
3, the pixel  and pixel diameter: each can be individually controlled LED light-emitting unit in the LED display (point) is called a pixel (or pixel). Pixel diameter refers to the diameter of each pixel in millimeters.
4, Resolution: ranks number is called LED display LED display pixel resolution4, . Resolution is the total amount of display pixels, it determines the information capacity of a display screen.
5, gray: LED gray refers to level of Light and shade , base gray colors divide into 8 to 12 class. For example, if each of the color gray as 256, for a two-color color screen, the display color is 256 × 256 = 64K colors, also known as the 256-color display screen.
6, double colors: today’s most of color LED display screen is double color screen, that is, each pixel has two LED tube core: a red tube core, a tube core for green.
7, full color: red double colors plus blue color, three color constitute a full color. Since the blue tube and pure green die to form a full-color technology is mature now, so basic used the full color in the LED market.

Discuss that LED lights control system

Discuss that LED lights control system
Main application of LED lights control system
1 LED pixel source: application of LED color screen display principle, the pixel amplification,reducing the overall cost, each led pixel module is a color pixel. Application environment bar,KTV,stage,exhibition hall, shopping malls, as the music melody display background wall decoration, wall advertising etc.

2 LED rainbow tube: each lamp is composed of a plurality of color pixels(RGB)composition, each monochromatic pixel cann produce 256 gray level changes, applicationEnvironment:decorative lighting overpass guardrail,river,building walls and other different places.

The hardware system design
LED lights control system mainly includes a drive module, control module ,LED power supply three part:

*Drive module
The drive module output 256 grayscale colors to achieve color display gray controller only need to transfer the module of RGB color value can realize color display the drive module is I2C bus control programmable PWM outputs of the LED four bit, mainly used in the LEDRGB/RGBA(Red/Green/Blue/Amber)mixed.

*Control module
The main role of control module is through the MCU to control all dimmer module one the I2C bus, in order to achieve a variety of display effect,used to improve the ability of the bus driver, transmission rate in the 20~50kbps, transmission distance can reach 1km.MCU can be selected according to the actual system requirements, can also join otherOperations while dimming control bus devices, such as displaying image processing,Communicating with the PC, expand storage space, and so on

* Power supply
power supply according to the amout of led, and connections and other factors to determine the specific parameters, anyway the design(the LED power solution) is simple, small size,wide rage voltage input, low-cost, advantages of low loss, and was widely used in LED field.

Engineer designed LED for their led project

Engineer designed LED for their led project
LED pixel screen is composed of dmx controller and led module.
LED is an excellent component for led pixel display, the led has the main part in the LED pixel screen. It has the advantages of long service life, saving, high brightness, various colors, fast response and low drive voltage, the energy saving can also luminous intensity by adjusting LED PWM wave,
HOW to achieve the LED pix modules come in different colors, which rely on intermittent inertia principle of human vision use of R,G,B three color LED duty cycle to achieve color mixing The design scheme of the LED color display mainly rely on the I2C interface of LED control IC.It can make the PWM output to controlled pixel module. Or to regulate led pixel module by ISP transport protocols (such as DMX512 protocols).