CN115728670A - Circuit for on-line detection of light source state - Google Patents

Circuit for on-line detection of light source state Download PDF

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Publication number
CN115728670A
CN115728670A CN202211570302.3A CN202211570302A CN115728670A CN 115728670 A CN115728670 A CN 115728670A CN 202211570302 A CN202211570302 A CN 202211570302A CN 115728670 A CN115728670 A CN 115728670A
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China
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electrically connected
module
resistor
capacitor
constant current
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罗绍仪
丁柱
罗圣江
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Hangzhou Binjian Technology Co ltd
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Hangzhou Binjian Technology Co ltd
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Abstract

The invention discloses a circuit for detecting the state of a light source on line, which comprises an MCU processing module, a voltage regulation feedback module, a constant-current lighting working module and an infrared receiving module, wherein the MCU processing module is electrically connected with the voltage regulation feedback module, the MCU processing module is electrically connected with the constant-current lighting working module, the MCU processing module is electrically connected with the infrared receiving module, the voltage regulation feedback module is electrically connected with the constant-current lighting working module, the voltage regulation and stabilization module is electrically connected with the signal acquisition feedback module, the constant-current lighting working module comprises a signal reaction module, a constant-current module and a lighting working module, the signal reaction module is electrically connected with the constant-current module, and the constant-current module is electrically connected with the lighting working module. The invention realizes the purposes of self-checking and real-time interaction of various information of the emergency lamp circuit.

Description

Circuit for on-line detection of light source state
Technical Field
The invention relates to the technical field of emergency lamp circuits, in particular to a circuit for detecting the state of a light source on line.
Background
At present, most fire emergency lamps adopt two evacuation buses to realize communication between an emergency lighting lamp and a centralized power supply, however, the two evacuation buses have single communication function, and cannot realize the functions of radar detection, lamp bead state self-checking, remote control starting and stopping and the like of the fire emergency lamps, and in the face of attenuation of voltage loss of the two evacuation buses along with the increase of communication distance, the invention adopts the functions of communication and the like to be divided from the two evacuation buses, so that the two evacuation buses provide voltage action and single communication, and an MCU module is adopted to realize the interaction of single emergency lamp information and the outside.
The invention discloses a novel fire-fighting emergency lamp circuit, which is disclosed in patent documents, and the publication number of the novel fire-fighting emergency lamp circuit is CN113766704A, the invention relates to the technical field of fire-fighting emergency lamps, in particular to a novel fire-fighting emergency lamp circuit, the fire-fighting emergency lamp circuit comprises a driving unit, an LED light source unit and an acquisition unit, and the driving unit is used for converting input voltage into working voltage for driving the LED light source unit to work; the driving unit comprises a diode D3, a capacitor C4, an inductor L1 and a switch device Q1, the acquisition unit acquires the working state information of the LED light source unit and feeds an acquired signal back to the MCU, the MCU changes the duty ratio of a pulse signal for controlling the on-off of the switch device Q1 according to the received acquired signal, however, the invention realizes the lighting of the lamp bead by means of the communication of two evacuation buses, and the self-checking and the real-time interaction function of various information of the emergency lamp circuit cannot be realized.
Disclosure of Invention
Aiming at the defects that the self-checking of the emergency lamp circuit and the real-time interaction function of various information cannot be realized in the prior art, the invention aims to provide the circuit for detecting the state of the light source on line so as to realize the purposes of the self-checking of the emergency lamp circuit and the real-time interaction of various information.
In order to achieve the purpose, the invention provides the following technical scheme:
the LED illuminating system comprises an MCU processing module, a voltage-regulating feedback module, a constant-current illuminating working module and an infrared receiving module, wherein the MCU processing module is electrically connected with the voltage-regulating feedback module, the MCU processing module is electrically connected with the constant-current illuminating working module, the MCU processing module is electrically connected with the infrared receiving module, the voltage-regulating feedback module is electrically connected with the constant-current illuminating working module, the MCU processing module comprises an information processing chip, the information processing chip is provided with a signal acquisition end PE2, an infrared receiving end PE7, a code returning end PE6, a code receiving end PE4, a current control end PE0, a negative power end VSS and a positive power end VDD, the negative power end VSS is electrically connected with a capacitor C11, the capacitor C11 is connected with the negative power end VSS in parallel, the other end of the capacitor C11 is connected with the positive power end VDD in parallel, the infrared receiving end PE7 is electrically connected with the infrared receiving module, the voltage-regulating feedback module comprises a voltage-regulating voltage-stabilizing module and a signal acquisition feedback module, the voltage-regulating voltage-stabilizing module is electrically connected with the signal acquisition feedback module, the code returning end PE6 and the code receiving end PE4 are electrically connected with the signal acquisition feedback module, the constant-current illuminating working module is electrically connected with the constant-current signal acquisition reaction illuminating working module, and the constant-current signal reaction illuminating module is electrically connected with the constant-current reaction illuminating working module, and the constant-current signal acquisition module, and the constant-current reaction illuminating module. The MCU processing module uses a chip BJ-BUSZD-S510, the MCU processing module is connected with the voltage regulation feedback module, voltage and current signals of two buses are detected, whether the two buses are in fault or not is automatically detected, the reliability of normal work of the two buses under emergency conditions is improved, the MCU processing module is connected with the constant current working module, the MCU processing module controls the power end level of the constant current module to realize the work start and stop of the lighting working module through high and low levels, wherein the chip model of the constant current module is XL038, the lighting working module is connected with the MCU processing module, the MCU processing module can know whether the LED lamp beads are good or not through detecting the loop level of the functional processing module, the MCU processing module is connected with the infrared receiving module, and the MCU processing module can carry out information coding or lighting the working module.
Preferably, the voltage regulating and stabilizing module is provided with a positive row socket FL1 and a negative row socket FL2, the positive row socket FL1 is connected with a fuse F1, the other end of the fuse F1 is connected with a diode D2, the negative row socket FL2 is electrically connected with the positive pole of the diode D2, the negative pole of the diode D2 is connected with a rectifier bridge, the positive pole of the diode D2 is electrically connected with the first alternating current terminal AC1 of the rectifier bridge, the negative pole of the diode D2 is electrically connected with the second alternating current terminal AC2 of the rectifier bridge, the positive output pole V1 of the rectifier bridge and the negative output pole V2 of the rectifier bridge are both electrically connected with the signal acquisition feedback module, the positive output pole V1 of the rectifier bridge is electrically connected with the diode D1, the positive output pole V1 of the rectifier bridge is electrically connected with the positive pole of the diode D1, the negative pole of the diode D1 is electrically connected with the constant current module, the negative pole of the diode D1 is connected with the positive pole of an electrolytic capacitor E1, a capacitor C2, a resistor R2 and a resistor R11, the negative electrode of the electrolytic capacitor E1 is electrically connected with the output negative electrode V2, the other end of the capacitor C2 is electrically connected with the output negative electrode V2, the other end of the resistor R2 is connected with an input end IN of a voltage stabilizing chip and a capacitor C6 IN parallel, a ground end GND1 of the voltage stabilizing chip is electrically connected with the output negative electrode V2, the other end of the capacitor C6 is electrically connected with the output negative electrode V2, an output end OUT1 of the voltage stabilizing chip is connected with a capacitor C5, a resistor R5 and a public power supply end IN parallel, the other end of the capacitor C5 is electrically connected with the output negative electrode V2, the other end of the resistor R11 is connected with a voltage stabilizing tube D4, a capacitor C12 and a radar pin RPS1 IN parallel, the other end of the resistor R11 is electrically connected with the negative electrode of the voltage stabilizing tube D4, and the voltage stabilizing tube D4 is electrically connected with the output negative electrode V2, the other end of the capacitor C12 is electrically connected with the output cathode V2, a pin RPS3 of the radar is electrically connected with the output cathode V2, and the pin RPS2 of the radar is electrically connected with the signal reaction module. The positive socket and the negative socket of the voltage regulating and stabilizing module can receive 36V alternating current and 36V direct current, the voltage regulating and stabilizing module prevents power surge through multiple groups of capacitors and voltage stabilizing tubes and uses an HT7133-1 voltage stabilizing chip for voltage stabilization, the radar serial port is connected in parallel to a rectifier bridge, and the rectifier bridge provides power for a radar.
Further, signal acquisition feedback module is equipped with triode BQ2, triode BQ 2's collecting electrode with diode D1's anodal electricity is connected, triode BQ 2's projecting pole is connected with resistance R8, resistance R8's the other end with output negative pole V2 electricity is connected, diode D1's anodal electricity is connected with resistance R3, resistance R3's the other end parallel connection have resistance R7 with receive sign indicating number end PE4, the resistance R7 other end with output negative pole V2 electricity is connected, triode BQ2 base with it is connected to return sign indicating number end PE6 electricity.
Further, the signal reaction module is provided with a diode D5, a pin RPS2 of the radar is electrically connected with an anode of the diode D5, a cathode of the diode D5 is electrically connected with a resistor R28, the other end of the resistor R28 is connected with a base of a resistor R14 and a base of a triode Q2 in parallel, the other end of the resistor R14 is electrically connected with the current control end PE0, an emitter of the triode Q2 is grounded, a collector of the triode Q2 is connected with a base of a resistor R9 and a base of a triode Q1 in parallel, an emitter of the triode Q1 is grounded, a collector of the triode Q1 is electrically connected with a resistor R10, the other end of the resistor R9 and the resistor R10 are both electrically connected with a cathode of the diode D1, and a collector of the triode Q1 is electrically connected with the constant current module. The signal reaction module outputs the level of pulling down the power end of the constant current chip through the radar signal or the high level of the current control end, similarly, the level of pulling up the power end of the constant current chip is output according to the radar signal or the low level of the current control end, and the MCU processing module and the radar sensing probe complete the control of the power level of the constant current chip.
Furthermore, the constant current module is provided with a constant current chip, the cathode of the diode D1 and the collector of the triode Q1 are both electrically connected with the power supply voltage end VVD of the constant current chip, the power supply voltage end VVD of the constant current chip is electrically connected with a capacitor C7, the capacitor C7 is grounded, the off time end TOFF of the constant current chip is electrically connected with a capacitor C8, the other end of the capacitor C8 is grounded, the first current feedback end CS1 and the second current feedback end CS2 of the constant current chip are connected with a resistor R18 and a resistor R19 in parallel, the other ends of the resistor R18 and the resistor R19 in parallel are grounded, the dimming end DIM of the constant current chip is electrically connected with the power supply voltage end VVD, the ground end 2 of the constant current chip is grounded, and the switch end SW of the constant current chip is electrically connected with the lighting working module.
Furthermore, the lighting working module is provided with a voltage regulator tube D3, the anode of the voltage regulator tube D3 is electrically connected with the switch end SW of the constant current chip, the cathode of the voltage regulator tube D3 is electrically connected with the anode of a lamp bead LED, the anode of the lamp bead LED and the cathode of the voltage regulator tube D3 are both electrically connected with the cathode of the diode D1, the cathode of the lamp bead LED is connected with an inductor L1 and a resistor R17 in parallel, the other end of the inductor L1 is electrically connected with the switch end SW of the constant current chip, the other end of the resistor R17 is connected with a resistor R16 and a resistor R22 in parallel, the other end of the resistor R22 is grounded, the other end of the resistor R16 is connected with a capacitor C1O and the signal acquisition end PE2 in parallel, and the other end of the capacitor C10 is grounded. The electric capacity among the illumination work module is in the saturation state that charges when LED lamp pearl normally works, and high level is gathered to MCU processing module's signal acquisition end, and when LED lamp pearl damaged the open circuit, electric capacity discharged, and low level is gathered to MCU processing module's signal acquisition end to whether damage with this self-checking lamp pearl.
Preferably, the infrared receiving module is provided with an infrared chip, a power supply end VS of the infrared chip is connected in parallel with a capacitor C9 and a resistor R15, the other end of the capacitor C9 is connected in parallel with a ground end GND3 of the infrared chip, the other end of the resistor R15 is connected in parallel with a resistor R12 and a public power supply end, and the other end of the resistor R12 is connected in parallel with an output end OUT of the infrared chip and an infrared receiving end PE7. When an external operator uses a remote controller to remotely control the infrared chip of the infrared receiving module to be lightened or remotely controlled to be coded, the output end of the infrared chip transmits information to the MCU processing module, and the control of the lamp bead is realized.
The invention has the beneficial technical effects that: the device is provided with a code return end PE6 and a code receiving end PE4, and is used for real-time acquisition, feedback and control of a power supply for leading in a circuit, which is favorable for protecting the circuit, a voltage stabilizing chip and a capacitor which are connected in parallel with a rectifier bridge are arranged, clutter filtering is used for filtering, voltage is stabilized, and supply of direct current required by a constant current chip is facilitated, a radar RPS is arranged, and is used for detecting the environmental condition of an emergency lamp, and the occurrence of false touch of the emergency lamp is facilitated.
Drawings
FIG. 1 is a block diagram of the present invention;
FIG. 2 is a circuit diagram of the present invention.
Reference numerals: 1. an MCU processing module 2, a voltage regulation feedback module 3, a constant current lighting working module 4, an infrared receiving module 5 and a voltage regulation and stabilization module, 6, a signal acquisition feedback module, 7, a signal reaction module, 8, a constant current module, 9 and an illumination working module.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Referring to fig. 1-2, a circuit for detecting the state of a light source on line, which includes an MCU processing module 1, a voltage regulation feedback module 2, a constant current lighting working module 3 and an infrared receiving module 4, the MCU processing module 1 is electrically connected with the voltage regulation feedback module 2, the MCU processing module 1 is electrically connected with the constant current lighting working module 3, the MCU processing module 1 is electrically connected with the infrared receiving module 4, the voltage regulation feedback module 2 is electrically connected with the constant current lighting working module 3, the MCU processing module 1 includes an information processing chip, the information processing chip is provided with a signal collection terminal PE2, an infrared receiving terminal PE7, a code return terminal PE6, a code return terminal PE4, a current control terminal PE0, a negative power terminal VSS and a positive power terminal, the negative power terminal VSS is electrically connected with a capacitor C11, the capacitor C11 is electrically connected with the negative power terminal VSS in parallel, the other end of the capacitor C11 is electrically connected with the positive power terminal VDD in parallel with a common power terminal, the infrared receiving terminal PE7 is electrically connected with the infrared receiving module 4, the voltage regulation feedback module 2 includes a voltage regulation module 5 and a signal collection feedback module 6, the voltage regulation module 5 is electrically connected with the signal collection feedback module 6, the constant current control module 7 is electrically connected with the constant current working module 9, the constant current working module 7 and the constant current working module 9, the constant current working module 9 are electrically connected with the constant current working module 9, and the constant current working module 9, the constant current working module 8.
The voltage regulating and stabilizing module 5 is provided with a positive row socket FL1 and a negative row socket FL2, the positive row socket FL1 is connected with a fuse F1, the other end of the fuse F1 is connected with a diode D2, the negative row socket FL2 is electrically connected with the positive pole of the diode D2, the negative pole of the diode D2 is connected with a rectifier bridge, the positive pole of the diode D2 is connected with a first alternating current end AC1 of the rectifier bridge, the negative pole of the diode D2 is connected with a second alternating current end AC2 of the rectifier bridge, an output positive pole V1 of the rectifier bridge and an output negative pole V2 of the rectifier bridge are both electrically connected with the signal acquisition feedback module 6, the output positive pole V1 of the rectifier bridge is electrically connected with the diode D1, the output positive pole V1 of the rectifier bridge is electrically connected with the positive pole of the diode D1, the negative pole of the diode D1 is electrically connected with the constant current module 8, the negative pole of the diode D1 is connected with the positive pole of an electrolytic capacitor E1, a capacitor C2, a resistor R2 and a resistor R11, and the negative pole of the electrolytic capacitor E1 is electrically connected with the output negative pole V2, the other end of the capacitor C2 is electrically connected with the output cathode V2, the other end of the resistor R2 is connected with an input end IN and a capacitor C6 of the voltage stabilizing chip IN parallel, a grounding end GND1 of the voltage stabilizing chip is electrically connected with the output cathode V2, the other end of the capacitor C6 is electrically connected with the output cathode V2, an output end OUT1 of the voltage stabilizing chip is connected with a capacitor C5, a resistor R5 and a public power supply end IN parallel, the other end of the capacitor C5 is electrically connected with the output cathode V2, the other end of the resistor R11 is connected with a voltage stabilizing tube D4, a voltage stabilizing tube D4 is electrically connected with the output cathode V2, a pin RPS3 of the radar is electrically connected with the output cathode V2, and the pin RPS2 of the radar is electrically connected with the signal reaction module 7.
Signal acquisition feedback module 6 is equipped with triode BQ2, triode BQ 2's collecting electrode and diode D1's positive pole electricity are connected, triode BQ 2's projecting pole is connected with resistance R8, resistance R8's the other end is connected with output negative pole V2 electricity, diode D1's positive pole electricity is connected with resistance R3, resistance R3's the other end is parallelly connected to have resistance R7 and receive sign indicating number end PE4, the resistance R7 other end is connected with output negative pole V2 electricity, triode BQ2 base is connected with return sign indicating number end PE6 electricity. And a code returning end PE6 externally connected with the base of the triode BQ2 controls the current output of the rectifier bridge according to signals collected by a code receiving end PE4 externally connected with the resistor R3.
The signal reaction module 7 is provided with a diode D5, a pin RPS2 of the radar is electrically connected with an anode of the diode D5, a cathode of the diode D5 is electrically connected with a resistor R28, the other end of the resistor R28 is connected with a base of a resistor R14 and a base of a triode Q2 in parallel, the other end of the resistor R14 is electrically connected with a current control end PE0, an emitting electrode of the triode Q2 is grounded, a collecting electrode of the triode Q2 is connected with a base of a resistor R9 and a base of a triode Q1 in parallel, an emitting electrode of the triode Q1 is grounded, a collecting electrode of the triode Q1 is electrically connected with a resistor R10, the other end of the resistor R9 and the resistor R10 are both electrically connected with the cathode of the diode D1, and the collecting electrode of the triode Q1 is electrically connected with the constant current module 8.
The constant current module 8 is provided with a constant current chip, the cathode of the diode D1 and the collector of the triode Q1 are electrically connected with a power supply voltage end VVD of the constant current chip, the power supply voltage end VVD of the constant current chip is electrically connected with a capacitor C7, the capacitor C7 is grounded, the turn-off time end TOFF of the constant current chip is electrically connected with a capacitor C8, the other end of the capacitor C8 is grounded, the first current feedback end CS1 and the second current feedback end CS2 of the constant current chip are connected with a resistor R18 and a resistor R19 in parallel, the other ends of the resistor R18 and the resistor R19 in parallel are grounded, the dimming end DIM of the constant current chip is electrically connected with the power supply voltage end VVD, the grounding end GND2 of the constant current chip is grounded, and the switch end SW of the constant current chip is electrically connected with the illumination working module 9. The power end of the constant current chip XL038 is electrically connected with the dimming end and provides level reference for the switching end of the constant current chip so as to control the power brightness of the lighting working module, the turn-off time end of the constant current chip is connected in series with a capacitor and is grounded, the constant current chip starts and stops the chip, and the two current feedback ends are connected in parallel and are connected in series with a resistor connected in parallel so as to stabilize a static working point of the switching end in the ground.
The lighting working module 9 is provided with a voltage regulator tube D3, the anode of the voltage regulator tube D3 is electrically connected with the switch end SW of the constant current chip, the cathode of the voltage regulator tube D3 is electrically connected with the anode of a lamp bead LED, the anode of the lamp bead LED and the cathode of the voltage regulator tube D3 are both electrically connected with the cathode of the diode D1, the cathode of the lamp bead LED is connected with an inductor L1 and a resistor R17 in parallel, the other end of the inductor L1 is electrically connected with the switch end SW of the constant current chip, the other end of the resistor R17 is connected with a resistor R16 and a resistor R22 in parallel, the other end of the resistor R22 is grounded, the other end of the resistor R16 is connected with a capacitor C1O and a signal acquisition end PE2 in parallel, and the other end of the capacitor C10 is grounded.
The infrared receiving module 4 is provided with an infrared chip, a power supply end VS of the infrared chip is connected with a capacitor C9 and a resistor R15 in parallel, the other end of the capacitor C9 and a grounding end GND3 of the infrared chip are connected to the ground in parallel, the other end of the resistor R15 is connected with a resistor R12 and a public power supply end in parallel, and the other end of the resistor R12 is connected to an output end OUT and an infrared receiving end PE7 of the infrared chip in parallel.
The working process of the invention is as follows:
the power supply of 36V is LED in by a positive row socket FL1 and a negative row socket FL2, a fuse F1 fuses a protection circuit when overcurrent flows, a rectifier bridge rectifies current and then is connected with a signal acquisition feedback module 6 and a voltage regulation and stabilization module 5 in parallel, the signal acquisition feedback module 6 is provided with a triode BQ2 and a series resistor, the triode BQ2 and the series resistor are connected with two ends of the rectifier bridge in parallel, the series resistor is electrically connected with a code receiving end PE4 of an MCU processing module 1, the port is responsible for acquiring electric signals, a base electrode of the triode BQ2 is electrically connected with a code returning end PE6, the code returning end PE6 controls the level of the triode BQ2 so as to realize the start and stop of the circuit, the signal acquisition feedback module 6 and the voltage regulation and stabilization module 5 are connected through a diode D1 at a positive end of the rectifier bridge, the voltage regulation and stabilization module 5 is provided with a plurality of groups of capacitors, a voltage stabilization chip and a voltage stabilization tube D4, the capacitors filter noise waves, the voltage stabilization chip stabilizes the filtered direct current voltage, and the voltage stabilization tube D4 suppresses voltage surge, the serial port of the radar RPS is connected in parallel with the cathode of the diode D1 and the cathode of the rectifier bridge, the output serial port of the radar RPS is electrically connected with the signal reaction module 7, the cathode of the diode D1 is electrically connected with the constant current module 8, the output serial port or the current control end PE0 of the radar RPS controls the high level of the triode Q2 to pull down the level of the power VVD of the constant current module 8, the output serial port or the current control end PE0 of the radar RPS controls the low level of the triode Q2 to pull up the level of the power VVD of the constant current module 8, the switch end SW of the constant current module 8 is electrically connected with the lighting working module 9, the lighting working module 9 is electrically connected with the cathode of the diode D1, the cathode of the diode D1 is electrically connected with the anode of the LED lamp bead, when the normal working capacitor C10 of the LED lamp bead is in a charging saturation state, the signal acquisition end PE2 detects the high level, when the open-circuit capacitor C10 of the LED lamp bead is in a discharging state, the signal acquisition end PE2 detects the low level, inductance L1 plays the cushioning effect when LED loop state switches, and stabilivolt D3 prevents that surge current from directly damaging the LED lamp pearl through LED lamp pearl, and the signal conversion transmission that external infrared chip received is given infrared receiving terminal PE7 to the output OUT of infrared receiving module 4's infrared chip, makes MCU processing module 1 control LED lamp pearl, and when the external serial ports of information processing chip of MCU processing module 1, with signal outgoing switchboard, realizes LED lamps and lanterns joint duty standby.
In the above embodiments, all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims (7)

1. A circuit for on-line detection of the state of a light source is characterized in that: the LED constant current lighting system comprises an MCU processing module (1), a voltage regulation feedback module (2), a constant current lighting working module (3) and an infrared receiving module (4), wherein the MCU processing module (1) is electrically connected with the voltage regulation feedback module (2), the MCU processing module (1) is electrically connected with the constant current lighting working module (3), the MCU processing module (1) is electrically connected with the infrared receiving module (4), the voltage regulation feedback module (2) is electrically connected with the constant current lighting working module (3), the MCU processing module (1) comprises an information processing chip, the information processing chip is provided with a signal acquisition end PE2, an infrared receiving end PE7, a code return end PE6, a code receiving end PE4, a current control end PE0, a negative power end VSS and a positive power end VDD, the negative power end VSS is electrically connected with a capacitor C11, the capacitor C11 is connected with the negative power end in parallel, the other end of the capacitor C11 is connected with the positive power end in parallel with a public power supply end, the infrared receiving module (4) is electrically connected with the infrared receiving module (4), the voltage regulation feedback module (2) comprises a voltage regulation signal acquisition module (5) and a voltage regulation signal feedback module (6), the voltage regulation signal acquisition module (6) and the voltage regulation signal acquisition module (6) are electrically connected with the code receiving end PE) and the voltage regulation signal acquisition module (6), and the constant current receiving end PE receiving module (6), and the voltage regulation signal acquisition module (6), the LED lamp comprises a constant current module (8) and an illumination working module (9), wherein a current control end PE0 is electrically connected with a signal reaction module (7), a signal acquisition end PE2 is electrically connected with the illumination working module (9), the signal reaction module (7) is electrically connected with the constant current module (8), and the constant current module (8) is electrically connected with the illumination working module (9).
2. The circuit for on-line detection of the status of a light source according to claim 1, wherein: the voltage regulating and stabilizing module (5) is provided with a positive row socket FL1 and a negative row socket FL2, the positive row socket FL1 is connected with a fuse F1, the other end of the fuse F1 is connected with a diode D2, the negative row socket FL2 is electrically connected with the anode of the diode D2, the cathode of the diode D2 is connected with a rectifier bridge, the anode of the diode D2 is electrically connected with a first alternating current end AC1 of the rectifier bridge, the cathode of the diode D2 is electrically connected with a second alternating current end AC2 of the rectifier bridge, the output anode V1 of the rectifier bridge and the output cathode V2 of the rectifier bridge are both electrically connected with the signal acquisition feedback module (6), the output anode V1 of the rectifier bridge is electrically connected with the diode D1, the output anode V1 of the rectifier bridge is electrically connected with the anode of the diode D1, and the cathode of the diode D1 is electrically connected with the constant current module (8), the cathode of the diode D1 is connected with the anode of an electrolytic capacitor E1, a capacitor C2, a resistor R2 and a resistor R11 IN parallel, the cathode of the electrolytic capacitor E1 is electrically connected with the output cathode V2, the other end of the capacitor C2 is electrically connected with the output cathode V2, the other end of the resistor R2 is connected with the input end IN and the capacitor C6 of a voltage stabilizing chip IN parallel, the grounding end GND1 of the voltage stabilizing chip is electrically connected with the output cathode V2, the other end of the capacitor C6 is electrically connected with the output cathode V2, the output end OUT1 of the voltage stabilizing chip is connected with a capacitor C5, a resistor R5 and a common power supply end IN parallel, the other end of the capacitor C5 is electrically connected with the output cathode V2, the other end of the resistor R11 is connected with a voltage stabilizing tube D4, a capacitor C12 and a pin RPS1 of a radar IN parallel, and the other end of the resistor R11 is electrically connected with the cathode of the voltage stabilizing tube D4, the voltage-stabilizing tube D4 is electrically connected with the output cathode V2, the other end of the capacitor C12 is electrically connected with the output cathode V2, the pin RPS3 of the radar is electrically connected with the output cathode V2, and the pin RPS2 of the radar is electrically connected with the signal reaction module (7).
3. The circuit for on-line detection of the status of a light source according to claim 2, wherein: the signal acquisition feedback module (6) is equipped with triode BQ2, triode BQ 2's collecting electrode with diode D1's anodal electricity is connected, triode BQ 2's projecting pole is connected with resistance R8, resistance R8's the other end with output negative pole V2 electricity is connected, diode D1's anodal electricity is connected with resistance R3, resistance R3's the other end parallel connection have resistance R7 with receive sign indicating number end PE4, the resistance R7 other end with output negative pole V2 electricity is connected, triode BQ2 base with it connects to return sign indicating number end PE6 electricity.
4. The circuit for on-line detection of the status of a light source according to claim 2, wherein: the signal reaction module (7) is provided with a diode D5, a pin RPS2 of the radar is electrically connected with the positive electrode of the diode D5, the negative electrode of the diode D5 is electrically connected with a resistor R28, the other end of the resistor R28 is connected with a resistor R14 and the base electrode of a triode Q2 in parallel, the other end of the resistor R14 is electrically connected with the current control end PE0, the emitting electrode of the triode Q2 is grounded, the collecting electrode of the triode Q2 is connected with a resistor R9 and the base electrode of the triode Q1 in parallel, the emitting electrode of the triode Q1 is grounded, the collecting electrode of the triode Q1 is electrically connected with a resistor R10, the other end of the resistor R9 and the resistor R10 are electrically connected with the negative electrode of the diode D1, and the collecting electrode of the triode Q1 is electrically connected with the constant current module (8).
5. The circuit for on-line detection of the status of a light source according to claim 4, wherein: the constant current module (8) is provided with a constant current chip, the cathode of the diode D1 and the collector of the triode Q1 are electrically connected with a power supply voltage end VVD of the constant current chip, the power supply voltage end VVD of the constant current chip is electrically connected with a capacitor C7, the capacitor C7 is grounded, the time end TOFF of the constant current chip is electrically connected with a capacitor C8, the other end of the capacitor C8 is grounded, a first current feedback end CS1 and a second current feedback end CS2 of the constant current chip are connected with a resistor R18 and a resistor R19 in parallel, the other ends of the resistor R18 and the resistor R19 in parallel are grounded, a dimming end DIM of the constant current chip is electrically connected with the power supply voltage end VVD, a grounding end 2 of the constant current chip is grounded, and a switch end SW of the constant current chip is electrically connected with the illumination working module (9).
6. The circuit for on-line detection of the status of a light source according to claim 5, wherein: the lighting working module (9) is provided with a voltage regulator tube D3, the anode of the voltage regulator tube D3 is electrically connected with the switch end SW of the constant current chip, the cathode of the voltage regulator tube D3 is electrically connected with the anode of a lamp bead LED, the anode of the lamp bead LED and the cathode of the voltage regulator tube D3 are both electrically connected with the cathode of a diode D1, the cathode of the lamp bead LED is connected with an inductor L1 and a resistor R17 in parallel, the other end of the inductor L1 is electrically connected with the switch end SW of the constant current chip, the other end of the resistor R17 is connected with a resistor R16 and a resistor R22 in parallel, the other end of the resistor R22 is grounded, the other end of the resistor R16 is connected with a capacitor C1O and the signal acquisition end PE2 in parallel, and the other end of the capacitor C10 is grounded.
7. The circuit for on-line detection of the status of a light source according to claim 1, wherein: the infrared receiving module (4) is provided with an infrared chip, a power end VS of the infrared chip is connected with a capacitor C9 and a resistor R15 in parallel, the other end of the capacitor C9 and a grounding end GND3 of the infrared chip are connected with the ground in parallel, the other end of the resistor R15 is connected with a resistor R12 and a public power end in parallel, and the other end of the resistor R12 is connected with an output end OUT and an infrared receiving end PE7 of the infrared chip in parallel.
CN202211570302.3A 2022-12-08 2022-12-08 Circuit for on-line detection of light source state Pending CN115728670A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211570302.3A CN115728670A (en) 2022-12-08 2022-12-08 Circuit for on-line detection of light source state

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211570302.3A CN115728670A (en) 2022-12-08 2022-12-08 Circuit for on-line detection of light source state

Publications (1)

Publication Number Publication Date
CN115728670A true CN115728670A (en) 2023-03-03

Family

ID=85300642

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211570302.3A Pending CN115728670A (en) 2022-12-08 2022-12-08 Circuit for on-line detection of light source state

Country Status (1)

Country Link
CN (1) CN115728670A (en)

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