一种用于闪烁氙灯电源板老化的装置
By designing a power board aging device that simulates the discharge characteristics of a xenon lamp, the problems of resource waste and high cost in real xenon lamp aging tests are solved, and efficient and reliable power board aging tests are achieved, which are suitable for mass production.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- TIANJIN HUIGAO MAGNETICS
- Filing Date
- 2025-06-19
- Publication Date
- 2026-07-17
AI Technical Summary
The use of real xenon lamps as the load for aging tests of flashing xenon lamp power boards in existing technologies leads to resource waste and high testing costs. Furthermore, the testing conditions are unstable, making it difficult to achieve repeatable and controllable batch aging tests.
Design a device comprising a main power supply module, an auxiliary power supply module, a control module, and a discharge module. Perform aging tests by simulating the discharge characteristics of a xenon lamp. Employ a high-voltage energy storage capacitor and a current-limiting network, combined with an NE555 monostable circuit, to achieve precise pulse discharge control, simulating the high-voltage breakdown and high-current discharge process of a xenon lamp.
It enables efficient and reliable simulation of xenon lamp aging tests without using real xenon lamps, reducing testing costs, improving testing safety and repeatability, and enhancing the versatility and adaptability of the testing system, making it suitable for mass production.
Smart Images
Figure CN224518932U_ABST
Abstract
Claims
1. An apparatus for aging a flash xeon lamp power board, characterized by: The system includes a main power supply module, an auxiliary power supply module, a control module, and a discharge module. The main power supply module converts the 220V AC input voltage to 12V DC, providing basic power support for the entire device. Its 12V output is connected to both the auxiliary power supply module and the control module. The auxiliary power supply module regulates the 12V output from the main power supply module to 5V DC, providing the required operating voltage for the frequency modulation control module of the flashing xenon lamp power board. The control module receives external trigger signals from the flashing xenon lamp power board and generates pulse control signals through a monostable controller. The high-voltage switching device within the discharge module is turned on to control the opening and closing of the discharge circuit. Its power supply terminal is connected to the main power supply module, and its control output terminal is connected to the discharge module. The discharge module is used to simulate the instantaneous high-voltage breakdown discharge characteristics of a xenon lamp. Its input control terminal is connected to the control module to receive control signals, and its high-voltage input port is connected to the high-voltage input of the flashing xenon lamp power board. The high-voltage input terminal is connected to the high-voltage energy storage capacitor bank. By controlling the discharge process of the capacitor bank, the simulated load discharge current is stably introduced into the constant current discharge path to realize the simulation of the xenon lamp discharge process, thereby performing aging tests on the power board.
2. The apparatus for aging of a power board for a flash xeon lamp according to claim 1, characterized in that: The main power supply module includes a power conversion chip and a filter circuit; it is used to convert 220V AC power into 12V DC power.
3. The apparatus for aging of a power board for a flash xeon lamp as defined in claim 1, wherein: The auxiliary power supply module includes a linear voltage regulator chip and an adjustment circuit, which is used to convert the 12V voltage of the main power supply module into a stable 5V DC voltage.
4. The apparatus for aging a power board for a flash xenon lamp as defined in claim 1, wherein: The control module includes a timer chip and a monostable circuit, used to receive a -180V trigger signal from the xenon lamp power supply board and control the discharge circuit to conduct.
5. The apparatus for aging of a flickering xenon lamp power panel according to claim 1, characterized by: The discharge module includes a discharge capacitor bank and a constant current discharge circuit, which is used to receive the high voltage of 600V to 1000V from the xenon lamp power board, and control the switch to conduct through the drive signal of the control module to realize the simulated short-circuit discharge state of the xenon lamp.
6. The apparatus for aging of a flickering xenon lamp power panel according to claim 2, characterized by: The specific circuit of the main power supply module is as follows: The AC input terminal L is connected to one end of capacitor C31, resistor R55, resistor R56, and pin 1 of chip U6. The other end of resistor R55 is connected to one end of resistor R57, the other end of resistor R57 is connected to one end of resistor R59, the other end of resistor R56 is connected to one end of resistor R58, and the other end of resistor R58 is connected to one end of resistor R60. The AC input terminal N is connected to the other end of capacitor C31, resistor R59, resistor R60, and pin 2 of chip U6. Pin 4 of chip U6 is connected to one end of capacitor C32, capacitor C33, and capacitor C34. Pin 3 of chip U6 is connected to ground GND after being connected to the other end of capacitor C32, capacitor C33, and capacitor C34. Pins 4 and 3 of chip U6 are connected to connector P4. The model of chip U6 is MPM-15-12.
7. The apparatus for aging of a flickering xenon lamp power panel according to claim 3, characterized by: The specific circuit of the auxiliary power supply module is as follows: +12V DC voltage is output through connector P4. Pin 1 of connector P4 (12V) is connected to pin 3 of chip U4 and one end of capacitor C19. Pin 2 of chip U4 is connected to one end of resistor R33, the negative terminal of diode D3, one end of capacitor C, and pin 1 of 5V interface P5. Pin 1 of chip U4 is connected to the other end of resistor R36 and resistor R33, the positive terminal of diode D3, and one end of capacitor C20. The other end of capacitor C18, capacitor C20, and resistor R36 is grounded and connected to pin 2 of 5V interface P5. The other 12V output terminal, pin 2 of connector P4, is connected to the control module circuit. The model of chip U4 is LM317.
8. The apparatus for aging of a flickering xenon lamp power panel according to claim 4, characterized by: The specific circuit of the control module is as follows: the 12V power supply is connected to one end of resistor R49, resistor R50, capacitor C25, and pins 4 (RESET) and 8 (VCC) of the main control chip U5; the other end of resistor R49 is connected to one end of capacitor C30 and pins 7 (DISCH) and 6 (THRES) of chip U5; the other end of resistor R50 is connected to one end of resistor R52, capacitor C27, and pin 2 (TRIG) of chip U5; pin 5 (CONT) of chip U5 is connected to one end of capacitor C29; the other ends of capacitors C26, C27, C29, and C30, and pin 1 (GND) of chip U5 are connected to ground GND; pin 3 (OUT) of chip U5 is connected to the negative terminal of resistor R41 and diode D4 in the discharge module circuit; the other end of resistor R52 is connected to terminal J7; and terminal J8 is grounded.
9. The apparatus for aging of a flickering xenon lamp power panel according to claim 1, characterized by: The specific circuit of the discharge module is as follows: the other end of resistor R41 is connected to the positive terminal of diode D4, the base of transistor Q3, one end of capacitor C24, and the collector of transistor Q4. The other end of capacitor C24 is connected to one end of resistors R46, R47, and R48, the emitter of transistor Q3, and the base of transistor Q4. The collector of transistor Q3 is connected to one end of capacitor C21, resistors R31 and R32, one end of capacitor C22, and terminal J5. The other end of resistor R31 is connected to one end of resistor R34. The other end of resistor R34 is connected to one end of resistor R37. The other end of resistor R37 is connected to one end of resistor R39. The other end of resistor R39 is connected to one end of resistor R42. The other end of R42 is connected to resistors R44 and R45, one end of capacitor C25, and the positive terminal of LED LINE-RED. The other end of resistor R32 is connected to one end of resistor R35. The other end of resistor R35 is connected to one end of resistor R38. The other end of resistor R38 is connected to one end of resistor R40. The other end of resistor R40 is connected to the other end of resistor R43. The other end of capacitor C21 is connected to one end of capacitor C23. The other end of capacitor C23 is connected to the other end of resistors R46, R47, R48, C25, R45, R44, C22, the emitter of transistor Q4, and the negative terminal of LED LINE-RED, and then grounded. Terminal J6 is grounded.