• Release time: 2013 - 12 - 11
    Wisdom(Shenzhen)SSL new office uses LED T5 lamps and saves 50% energy off per T5 lamp. Also, we have decreased T5 lamps quanity, saveing 20% energy off in total.
X8 Octo-rotor unmanned aerial vehicles, UAVs industrial leader.
  • Release time: 2016 - 11 - 28
    Product datasheet & Test report:100W UFO HIGH BAY DATASHEET.pdfInstallation instruction for UFO high bay -11-28.pdfRSZ161228511-10A1 WISDOM WSD-UHB10W27-40K-B-SS ISTMT FINAL.pdfRSZ161228511-10A2 WISDOM WSD-UHB10W27-50K-B-SS 积分球 FINAL.pdfRSZ161228511-10 WISDOM WSD-UHB10W27-40K-B-SS LM-79 FINAL.pdf   Product Features: WSD UFO LED High Bay Lighting series can be widely used in outdoor, indoor or outdoor lighting(Wet location), like mechanical or electronic processing workshops, storage warehouses, steel mills, gas stations, toll booth, waiting rooms, the platforms of railway station , indoor stadiums and flower cultivating tents etc.   Structure Features:Shell materials: Magnesium AlloyColor: BlackNet weight:3.50Kg  Technical Parameter:
X8 Octo-rotor unmanned aerial vehicles, UAVs industrial leader.
X8 Octo-rotor unmanned aerial vehicles, UAVs industrial leader.
X8 Octo-rotor unmanned aerial vehicles, UAVs industrial leader.
X8 Octo-rotor unmanned aerial vehicles, UAVs industrial leader.
X8 Octo-rotor unmanned aerial vehicles, UAVs industrial leader.
X8 Octo-rotor unmanned aerial vehicles, UAVs industrial leader.
X8 Octo-rotor unmanned aerial vehicles, UAVs industrial leader.
Chinese
Solutions Products
Service Thermal

LED Thermal Solutions

 

LED THERMAL PCB::

  Comparing with conventional thermal substrate solution MCPCB, MHE301 is more superior in both material and structural designs. It specifically satisfies the need for HB and ultra HB LEDs as it drains heat with metallic MHE (“Micro Heat Exchanger”) at the rate of up to 400 W/mK. MHE301 exhibits a thermal impedance of 0.025 C cm2/Watt at its best, making it the best commercially available solution for control of the LED junction temperature.
Comparing MHE to conventional MCPCB solutions


MHE302 (Exhibit 1):

MHE301 is composed of 3 structural parts: copper layer micro heat exchanger MHE - heat dissipation
copper base.
a).Upper copper layer as circuit layer;
b).MHE provides optimal thermal path for mounted LED, transferring heat to the base layer;
c).Base copper layer dissipates heat further to the ambient or heat sink that completes the thermal
path to the surroundings.

图片1.jpg

 

MCPCB (Exhibit 2):
Conventional MCPCB is composed of 3 parts: circuit layer dielectric layer base layer, mostly aluminum.

a). Upper copper layer as circuit layer;

b). A dielectric layer with varying thermal conductivities ranging from 1.3 to 2.2 W/mK (certain brands claim to achieve up to 7 or 8 W/mK). Key components consist of polymeric materials and conductive fillers.

c). Base layer mostly aluminum transfer heat further to the surroundings.

Conventional MCPCB offers conductivity 4 to 8 times higher than FR-4 of comparable thickness, which is a better solution for low- to medium-power LED, for example, 1W single chip applications. However, in comparison, MHE is at least some two or even three orders of magnitude MORE conductive as copper offers.

 

 Silanex Technology:

ST0903 Twin componets – normal temperature curing, 30w/m.k

 

 

 

 

 

 


Driver Solution

Typical Topology in Wisdom’s LED driver

• Buck (Step Down) –when VIN > VOUT


– Driving a single 1W LED from a 12V supply

• Boost (Step-Up) - when VIN < VOUT


– Driving 6 LEDs in series from a 5Vsupply

•Buck-Boost – When VIN > VOUT and VIN VOUT


Driving 4 LEDs from a 12 V car battery

•AC/DC – PFC boost, Flyback, Forward, LLC, etc

 

 

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