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CN-224216818-U - Indication circuit based on power supply main board and power supply standby board working state

CN224216818UCN 224216818 UCN224216818 UCN 224216818UCN-224216818-U

Abstract

The application relates to an indicating circuit based on the working states of a power supply main board and a power supply standby board, which relates to the technical field of electronic power; the power supply device comprises a power supply backboard and a power supply main board, wherein a control module, a first indication module, a second indication module and a third indication module are arranged on the power supply backup board, the first indication module, the second indication module and the third indication module are all controlled to be connected with the control module, the output end of the power supply main board is electrically connected to the input end of the control module and the input end of the third indication module, and the output pin of the controller is electrically connected to the control ends of the first indication module, the second indication module and the third indication module respectively. The application has the effect of intuitively acquiring the working states of the power supply main board and the power supply standby board.

Inventors

  • SUN HAIWEI

Assignees

  • 芯发威达电子(上海)有限公司

Dates

Publication Date
20260508
Application Date
20250407

Claims (7)

  1. 1. The indicating circuit based on the working states of the power supply main board and the power supply standby board comprises a power supply back board and the power supply main board and is characterized in that a control module, a first indicating module, a second indicating module and a third indicating module are arranged on the power supply standby board, the first indicating module, the second indicating module and the third indicating module are all controlled to be connected with the control module, the output end of the power supply main board is electrically connected to the input end of the control module and the input end of the third indicating module, and the output pins of the control module are respectively electrically connected to the control ends of the first indicating module, the second indicating module and the third indicating module.
  2. 2. The indicating circuit based on the working states of the power supply main board and the power supply standby board according to claim 1, wherein the first indicating module comprises an LED1, a switch tube Q15, a switch tube Q16 and a switch tube Q17, an output pin LED1_G of the control module is electrically connected to a control end of the switch tube Q15 through a resistor R116, an output end of the switch tube Q15 is grounded, and an input end of the switch tube Q15 is electrically connected to a pin GC of the LED1 through a resistor R117; An output pin LED1_R of the control module is electrically connected to a control end of a switch tube Q16 through a resistor R120, an output end of the switch tube Q16 is grounded, and an input end of the switch tube Q16 is electrically connected to a pin RC of the LED1 through a resistor R118; an output pin LED1_G of the control module is electrically connected to a control end of the switching tube Q17 through a resistor R121, an output end of the switching tube Q17 is grounded, and a drain electrode of the switching tube Q17 is electrically connected to a grid electrode of the switching tube Q16; Both pin GA and pin RA of LED1 are electrically connected to the voltage output of power +3v3 MVU.
  3. 3. The indicating circuit based on the operation states of the power supply main board and the power supply standby board according to claim 2, wherein the first indicating module further comprises a capacitor C80 and a capacitor C81, the input end of the switch tube Q15 is grounded through the capacitor C80, and the input end of the switch tube Q16 is grounded through the capacitor C81.
  4. 4. The indicating circuit based on the working states of the power supply main board and the power supply standby board according to claim 1, wherein the second indicating module comprises an LED2, a switch tube Q18, a switch tube Q19, a switch tube Q20 and a switch tube Q21, an output pin +V12_PG_LED2 of the control module is electrically connected to a control end of the switch tube Q18, an input end of the switch tube Q18 is electrically connected to a grid electrode of the switch tube Q19, and an output end of the switch tube Q18 is grounded; An output pin LED2_G of the control module is electrically connected to a control end of the switch tube Q19 through a resistor R116, an output end of the switch tube Q19 is grounded, and an input end of the switch tube Q19 is electrically connected to a pin GC of the LED2 through a resistor R117; An output pin LED2_R of the control module is electrically connected to a control end of a switch tube Q20 through a resistor R120, an output end of the switch tube Q20 is grounded, and an input end of the switch tube Q20 is electrically connected to a pin RC of an LED2 through a resistor R118; An output pin LED2_G of the control module is electrically connected to a control end of the switching tube Q21 through a resistor R121, an output end of the switching tube Q21 is grounded, and a drain electrode of the switching tube Q21 is electrically connected to a grid electrode of the switching tube Q20; Both pin GA and pin RA of LED2 are electrically connected to the voltage output of power +3v3 MVU.
  5. 5. The indicating circuit based on the operation states of the power supply main board and the power supply standby board according to claim 4, wherein the first indicating module further comprises a capacitor C80 and a capacitor C81, the input end of the switch tube Q19 is grounded through the capacitor C80, and the input end of the switch tube Q20 is grounded through the capacitor C81.
  6. 6. The indicating circuit based on the working states of the power supply main board and the power supply standby board according to claim 1, wherein the third indicating module comprises an LED3, a switch tube Q22, a switch tube Q23 and a switch tube Q24, an output pin LED3_G of the control module is electrically connected to a control end of the switch tube Q22 through a resistor R116 and an output end of the power supply main board, an output end of the switch tube Q22 is grounded, and an input end of the switch tube Q22 is electrically connected to a pin GC of the LED3 through a resistor R117; an output pin LED3_R of the control module is electrically connected to a control end of a switch tube Q23 through a resistor R120, an output end of the switch tube Q23 is grounded, and an input end of the switch tube Q23 is electrically connected to a pin RC of the LED3 through a resistor R118; An output pin LED 3-G of the control module is electrically connected to a control end of the switching tube Q24 through a resistor R121, an output end of the switching tube Q24 is grounded, and a drain electrode of the switching tube Q24 is electrically connected to a grid electrode of the switching tube Q23; Both pin GA and pin RA of LED3 are electrically connected to the voltage output of power +3v3 MVU.
  7. 7. The circuit of claim 6, wherein the first indication module further comprises a capacitor C85 and a capacitor C86, the input terminal of the switch Q22 is grounded through the capacitor C85, and the input terminal of the switch Q23 is grounded through the capacitor C86.

Description

Indication circuit based on power supply main board and power supply standby board working state Technical Field The application relates to the technical field of electronic power, in particular to an indicating circuit based on the working states of a power supply main board and a power supply standby board. Background In the field of electronic power, stability and reliability of the power supply system are critical. In order to meet the requirement that PLCe devices require high-power supply, a power supply main board and a power supply standby board are generally configured to supply power according to the requirement. The control module can control the power supply standby board to be in a closed state when the power supply main board works, and can control the power supply standby board to be in an open state and select the power supply standby board to be in a first output mode or a second output mode when the power supply main board does not work. However, the working states of the power supply main board and the power supply standby board cannot be intuitively obtained by a worker. Disclosure of utility model In order to intuitively acquire the working states of the power supply main board and the power supply standby board, the application provides an indicating circuit based on the working states of the power supply main board and the power supply standby board. The application provides an indication circuit based on the working states of a power supply main board and a power supply standby board, which adopts the following technical scheme: The indicating circuit based on the working states of the power supply main board and the power supply standby board comprises a power supply back board and the power supply main board, wherein a control module, a first indicating module, a second indicating module and a third indicating module are arranged on the power supply standby board, the first indicating module, the second indicating module and the third indicating module are all controlled to be connected with the control module, the output end of the power supply main board is electrically connected to the input end of the control module and the input end of the third indicating module, and the output pins of the control module are respectively electrically connected to the control ends of the first indicating module, the second indicating module and the third indicating module. By adopting the technical scheme, the working states of the power supply main board and the power supply standby board can be monitored in real time by arranging the control module and the plurality of indication modules on the power supply standby board, and the current power supply mode is intuitively displayed by the indication modules, wherein the third indication module is used for feeding back the working state of the power supply main board. Preferably, the first indication module includes an LED1, a switch tube Q15, a switch tube Q16, and a switch tube Q17, an output pin LED1_g of the control module is electrically connected to a control end of the switch tube Q15 through a resistor R116, an output end of the switch tube Q15 is grounded, and an input end of the switch tube Q15 is electrically connected to a pin GC of the LED1 through a resistor R117; An output pin LED1_R of the control module is electrically connected to a control end of a switch tube Q16 through a resistor R120, an output end of the switch tube Q16 is grounded, and an input end of the switch tube Q16 is electrically connected to a pin RC of the LED1 through a resistor R118; an output pin LED1_G of the control module is electrically connected to a control end of the switching tube Q17 through a resistor R121, an output end of the switching tube Q17 is grounded, and a drain electrode of the switching tube Q17 is electrically connected to a grid electrode of the switching tube Q16; Both pin GA and pin RA of LED1 are electrically connected to the voltage output of power +3v3 MVU. Through adopting above-mentioned technical scheme, first instruction module has realized the accurate control to LED1 through introducing a plurality of switching tubes and resistor. Through different pin control signals, the LED1 can emit light with different colors, so that the working state of the power supply main board or the power supply standby board is clearly indicated. Preferably, the first indicating module further includes a capacitor C80 and a capacitor C81, the input terminal of the switching tube Q15 is grounded through the capacitor C80, and the input terminal of the switching tube Q16 is grounded through the capacitor C81. By adopting the technical scheme, the capacitors C80 and C81 are introduced into the first indication module, so that high-frequency noise at the input end of the switching tube can be effectively filtered, and the stability of the circuit is improved. Preferably, the second indication module includes an LED2, a switch tube Q18, a switch tube