Abstract

The present invention provides a self-adaptive dimming driving system, comprising: a lamp base, a driving circuit, a lamp identification circuit, and a controller. The lamp base, where an LED lamp is able to be mounted, comprises an LED power port electrically connected to a power input port of the LED lamp. The driving circuit is connected or coupled to the LED power port and configured to modulate power to be output to the LED lamp and output the modulated power to the LED lamp. The lamp identification circuit outputs a test current to the LED power port in order to turn on an identification resistor of the LED lamp, and receives a voltage parameter of the identification resistor as feedback in order to output a detection signal according to the voltage parameter. The controller receives the detection signal, obtains a correlation parameter of the resistance value of the identification resistor according to the detection signal, and switches a power output mode of the driving circuit according to the correlation parameter.

IPC Classes  ?

• H05B 45/14 - Controlling the intensity of the light using electrical feedback from LEDs or from LED modules
• H05B 45/36 - Circuits for reducing or suppressing harmonics, ripples or electromagnetic interferences [EMI]
• H05B 45/325 - Pulse-width modulation [PWM]

Abstract

The present invention provides a self-adaptive dimming driving system, configured to work with a light-emitting diode (LED) power port, the self-adaptive dimming driving system comprising: a driving circuit, a forward bias voltage detection circuit, and a controller. The driving circuit is connected to the LED power port. The forward bias voltage detection circuit is connected between the LED power port and the driving circuit, Wherein the forward bias voltage detection circuit comprises a test current output module and a voltage feedback module, the test current output module is configured to output a test current to the LED power port, and the voltage feedback module is configured to output a detection signal according to a voltage parameter of the LED power port. The controller receives the detection signal, obtains a barrier potential parameter of an LED lamp according to the detection signal, and switches a power output mode of the driving circuit according to the barrier potential parameter.

IPC Classes  ?

• H05B 45/14 - Controlling the intensity of the light using electrical feedback from LEDs or from LED modules
• H05B 45/36 - Circuits for reducing or suppressing harmonics, ripples or electromagnetic interferences [EMI]
• H05B 45/325 - Pulse-width modulation [PWM]

Abstract

The present invention provides a smart dummy-load electricity consumption system, comprising: a switching detection module and a discharge module. The switching detection module comprises a power source input module and a filter circuit provided at an output of the power source input module, wherein the filter circuit supplies electricity to a working unit, the output of the power source input module is connected with a first controller, and the filter circuit has an output connected with a second controller. The discharge module comprises a switch unit connected to the working unit and a logic gate for turning on or off the switch unit, wherein the logic gate has an input end connected to an output end of the first controller, has an input end connected to an output end of the second controller, and is configured to output a control signal for turning on or off the switch unit.

IPC Classes  ?

• H05B 45/39 - Circuits containing inverter bridges
• H05B 45/345 - Current stabilisationMaintaining constant current
• H05B 45/34 - Voltage stabilisationMaintaining constant voltage

Abstract

The present invention provides a constant-current-source driving system, comprising: a power source module, a primary working load module, a secondary working load module, and a weighting controller. The primary working load module is connected to the power source module in order to be driven by electricity provided by the power source module. The secondary working load module is connected to the primary working load module and parallel-connected to a variable-impedance controller. The weighting controller is connected to a first circuit of the variable-impedance controller and to a second circuit of the secondary working load module in order to obtain a first current value of the first circuit and a second current value of the second circuit, wherein the weighting controller compares a sum of the first current value and the second current value with a preset target current value and sends a control signal to the variable-impedance controller as feedback in order for a constant current to be supplied to the primary working load module.

IPC Classes  ?

• H05B 45/30 - Driver circuits
• H05B 45/14 - Controlling the intensity of the light using electrical feedback from LEDs or from LED modules

Abstract

The present invention provides a linear drive energy recovery system, comprising a power source module, a primary working load module, and a secondary working load module, wherein the power source module is connected to the primary working load module, and the secondary working load module is connected in series to the primary working load module such that a voltage provided by the power source module minus a voltage drop caused by the primary working load module is supplied to the secondary working load module as an operating voltage of the secondary working load module.

IPC Classes  ?

• H05B 45/395 - Linear regulators
• G05F 1/10 - Regulating voltage or current

Goods & Services

central processing units; Fluorescent light starter; semiconductor chips; semi-conductors; integrated circuits; Cooling fan for CPU; Heat sink for CPU Retailing and wholesaling in the nature of retail store and wholesale store services featuring electronic materials; Retailing and wholesaling in the nature of retail store and wholesale store services featuring computer accessories; Retailing and wholesaling in the nature of retail store and wholesale store services featuring precious instruments; Retailing and wholesaling in the nature of retail store and wholesale store services featuring lighting equipment; Retailing and wholesaling in the nature of retail store and wholesale store services featuring integrated circuits; Retailing and wholesaling in the nature of retail store and wholesale store services featuring semiconductor chips Electronic engineering consultancy; Design of integrated circuits; Design of semiconductor chip