Device and method for performance analysis of LED power supply
A technology of LED power supply and analysis device, applied in the field of LED lighting, can solve the problems of high input manpower, inaccurate data and high cost, and achieve the effects of high data authenticity, high cost and low cost
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Embodiment 1
[0069] refer to figure 2 and Figure 5 , the LED power supply performance analysis device includes a wireless module (2), a serial port module (3), an MCU module (4), a relay driver module (5), a relay module array (6), an SPI isolation module (7), and an electric energy measurement module An array (8), an electric energy metering module (9), a test power socket (10), a power module (11), a power socket (12) and a socket array (13). It is characterized by:
[0070] The wireless module (2), the serial port module (3), the relay drive module (5), the relay module array (6), and the SPI isolation module (7) are all connected to the MCU module (4); the serial port module (3) It is connected with a digital controllable power supply (14) and a digital controllable temperature box (15); the relay drive module (5) is connected with a relay module array (6); the digital controllable power supply (14) is connected with a test power socket ( 10) connection; the test power socket (10)...
Embodiment 2
[0073] This embodiment is basically the same as Embodiment 1, and the special features are as follows: the serial port module (3) includes at least one RS232 serial port (31) and one RS485 serial port (32); the RS232 serial port (31) is connected to a digital controllable power supply (14), the RS485 serial port (32) is connected to the digital controllable temperature box (15), and the power pack (16) to be tested is placed in the digital controllable temperature box (15). The SPI isolation module (7) is an optocoupler isolation or magnetic isolation chip. The electric energy metering module (9) includes an isolated power supply module (210), an electric energy metering chip (230) and an SPI isolation module (220), and the isolated power supply module (210) supplies the electric energy metering chip (230) and the SPI isolation module ( 220) power supply; the SPI isolation module (220) is connected to the electric energy metering chip (230), and the SPI isolation module (220) ...
Embodiment 3
[0075] This LED power supply performance analysis method adopts the above-mentioned device for test analysis, and is characterized in that:
[0076] Set the variable range of input voltage V0-Vn, the variable range of temperature T0-Tn, and the variable range of humidity H0-Hn. Set the voltage step Vs, the temperature step Ts, the humidity step Hs, and the stabilization time Time. The specific analysis steps are as follows:
[0077] Step 1: Fix two variables, change one variable, the range of change is the step value, stabilize the set period of Time, and then measure until the power supply is abnormal and the relay is protected, then stop changing the variable, so as to understand the limit working range of a single variable;
[0078] Step 2: Fix one variable, change two variables, the range of change is the step value, stabilize the set period of Time, and then measure until the power supply is abnormal and the relay is protected, then stop changing the variable, so as to un...
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