LED lighting system and device
摘要
說明書
Concerning the selection of a different DRV, when the voltage measurement of Vout indicates that there is no current coming out of the DRV or the measurement of the Vout is inadequate, the MCC receives the feedback that the DRV is defective, and instructs the IS to disengage the defective DRV and switch to the next available DRV out of the plurality of the DRV that are connected in parallel. When a new DRV is activated, a new pathway is established between the power source, the IS, the new DRV, the OS, and a LED lighting source.
The MCC can reads those voltages using 2 methods:
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- a. Galvanic Insulated used Linear optocouplers.
- b. Non-galvanic insulation used a simply divider made by resistors
The input voltage Vin is converted into the light by a photodiode. The light is transformed back in a scaled voltage that can be read by the MCC through analog bus M-1.
Using optocoupler ensure the voltage transformation and a very high insulation between inputs and outputs.
In an embodiment of this invention, the IS may can consist of either SSR components (solid state relays) or ER components (electromechanical relay). The advantage of using SSRs is fast communication, no moving parts, which implies a long life and high reliability, and it occupies very little space. The disadvantage is that with SSRs there is less galvanic insulation.
