CN117641662B - Automatic control equipment - Google Patents

Automatic control equipment Download PDF

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CN117641662B
CN117641662B CN202410101244.2A CN202410101244A CN117641662B CN 117641662 B CN117641662 B CN 117641662B CN 202410101244 A CN202410101244 A CN 202410101244A CN 117641662 B CN117641662 B CN 117641662B
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module
led module
power tube
led
standby
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CN117641662A (en
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杨舜迪
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China University of Petroleum East China
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China University of Petroleum East China
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Abstract

The invention discloses automatic control equipment, which relates to the technical field of automatic control and comprises a power supply module, a control module and a control module, wherein the power supply module is used for constant-current and voltage-stabilizing power supply; the first open circuit detection module and the second open circuit detection module are both used for open circuit detection; the intelligent control module is used for signal receiving and module control; the signal switching module is used for driving the first LED module, the first standby LED module, the second LED module and the second standby LED module to work in a lighting mode; the first standby LED module is used for respectively carrying out serial illumination work with the first LED module, the second standby LED module and the second LED module; and the second standby LED module is used for respectively carrying out serial illumination work with the second LED module, the first LED module and the first standby LED module. The automatic control equipment can automatically switch the illumination mode, improve the intelligent degree of automatic illumination control, increase the illumination control means, improve the illumination efficiency and prolong the service life.

Description

Automatic control equipment
Technical Field
The invention relates to the technical field of automatic control, in particular to automatic control equipment.
Background
The automatic control device is composed of logic controllers, transistors, electronic tubes and other electronic components, along with development of scientific technology, the automatic control device can realize intelligent automatic dimming and color mixing control of LEDs in an LED control system so as to meet lighting requirements of people, and the existing automatic control device used in the LED control system can conduct power-off protection control or eliminate the open-circuit part of the LEDs when the LEDs are in open-circuit fault, and is higher in safety when the power-off protection control is conducted, but the automatic control device cannot continuously control the work of the LEDs, and the LED lighting control means is single, and when the open-circuit part of the LEDs is eliminated, the automatic control device can continuously control the work of the LEDs, but can lead to power rise of the LEDs, reduce the work efficiency of the LEDs and shorten the service life of the LEDs, so that improvement is needed.
Disclosure of Invention
The embodiment of the invention provides automatic control equipment for solving the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
an automatic control apparatus comprising: the system comprises a power supply module, an intelligent control module, a signal switching module, a first LED module, a first standby LED module, a first open circuit detection module, a second LED module, a second standby LED module and a second open circuit detection module;
The power supply module is connected with the intelligent control module and used for accessing direct-current electric energy, receiving a first pulse signal output by the intelligent control module and performing constant-current voltage stabilization treatment on the direct-current electric energy;
The first open-circuit detection module is connected with the first LED module and the first standby LED module and is used for carrying out open-circuit detection on the first LED module, outputting a first detection signal in a self-locking mode when the first LED module is open-circuited, carrying out open-circuit detection on the first standby LED module and outputting a second detection signal when the first standby LED module is open-circuited;
the second open circuit detection module is connected with the second LED module and the second standby LED module and is used for carrying out open circuit detection on the second LED module, outputting a third detection signal in a self-locking mode when the second LED module is open circuit, carrying out open circuit detection on the second standby LED module and outputting a fourth detection signal when the second standby LED module is open circuit;
The intelligent control module is connected with the signal switching module, the second open-circuit detection module, the first standby LED module and the second standby LED module, and is used for outputting a first pulse signal, providing a second pulse signal and a third pulse signal for the signal switching module, receiving the first detection signal and the third detection signal and stopping outputting the first pulse signal, receiving a fourth detection signal and outputting the fourth pulse signal to control the working state of the first standby LED module, and receiving the second detection signal and outputting a fifth pulse signal to control the working state of the second standby LED module;
The signal switching module is connected with the first LED module, the second LED module, the first open circuit detection module and the second open circuit detection module, and is used for transmitting a second pulse signal to the first LED module, receiving the first detection signal and transmitting the second pulse signal to the first standby LED module, transmitting a third pulse signal to the second LED module, and receiving the third detection signal and transmitting the third pulse signal to the second standby LED module;
the first LED module is connected with the power supply module and is used for receiving the second pulse signal transmitted by the signal switching module and carrying out illumination work;
the first standby LED module is connected with the power supply module, the first LED module, the second standby LED module and the second LED module, is used for receiving a fourth pulse signal and carrying out serial illumination work with the first LED module, is used for carrying out reverse phase processing on the fourth pulse signal and receiving a second pulse signal transmitted by the signal switching module, and is used for carrying out serial illumination work with the second LED module and the second standby LED module;
The second LED module is connected with the first LED module and is used for receiving the third pulse signal transmitted by the signal switching module and carrying out serial illumination work with the first LED module;
The second standby LED module is connected with the first LED module, the second LED module and the power module, and is used for receiving a fifth pulse signal and carrying out serial illumination work with the second LED module, carrying out reverse phase processing on the fifth pulse signal and receiving a third pulse signal transmitted by the signal switching module, and carrying out serial illumination work with the first LED module and the first standby LED module.
As still further aspects of the invention: the power supply module comprises a constant current regulating device; the intelligent control module comprises a first controller; the first LED module comprises a first power tube and a first LED interface;
preferably, the output end of the constant current regulating device is connected with the drain electrode of the first power tube, the grid electrode of the first power tube is connected with the signal switching module, the IO1 end of the first controller is connected with the control end of the constant current regulating device, the source electrode of the first power tube is connected with the first end of the first LED interface, and the second end of the first LED interface is connected with the second LED module and the first standby LED module.
As still further aspects of the invention: the signal switching module comprises a first analog switch, a third diode and a third inverter;
Preferably, the IN1 end and the IN2 end of the first analog switch are both connected with the IO2 end of the first controller, the CTRL1 end of the first analog switch is connected with the cathode of the third diode, the anode of the third diode is connected with the output end of the third inverter, the input end of the third inverter is connected with the IO3 end of the first controller and the first open-circuit detection module, and the OUT1 end and the OUT2 end of the first analog switch are respectively connected with the grid electrode of the first power tube and the first standby LED module.
As still further aspects of the invention: the first standby LED module comprises a first standby LED interface, a second power tube, a third power tube, a fourth power tube, a fifth power tube and a first inverter;
Preferably, the first end of the first standby LED interface is connected to the source electrode of the fourth power tube and the source electrode of the second power tube, the drain electrode of the second power tube is connected to the drain electrode of the first power tube, the second end of the first standby LED interface is connected to the drain electrode of the fifth power tube and the drain electrode of the third power tube, the source electrode of the third power tube is connected to the second end of the first LED interface, the gate electrode of the third power tube is connected to the output end of the first inverter, the input end of the first inverter is connected to the IO5 end of the first controller, the gate electrode of the fourth power tube and the gate electrode of the fifth power tube, and the source electrode of the fifth power tube is connected to the second LED module.
As still further aspects of the invention: the first open circuit detection module comprises a first diode, a first resistor, a first self-locking device and a first logic chip;
Preferably, the cathode of the first diode is connected with the drain electrode of the first power tube, the anode of the first diode is connected with the input end of the first self-locking device and the second end of the first logic chip through the first resistor, the output end of the first self-locking device is connected with the first end of the first logic chip and the IO3 end of the first controller, and the third end of the first logic chip is connected with the IO4 end of the first controller.
As still further aspects of the invention: the second LED module comprises a sixth power tube, a second LED interface and a third resistor; the signal switching module further comprises a signal switching device;
Preferably, the drain electrode of the sixth power tube is connected with the second end of the first LED interface, the source electrode of the sixth power tube is connected with the first end of the second LED interface, the second end of the second LED interface is connected with the source electrode of the fifth power tube and is grounded through a third resistor, the grid electrode of the sixth power tube is connected with the first end of the signal switching device, the second end and the third end of the signal switching device are both connected with the IO6 end of the first controller, and the fourth end and the fifth end of the signal switching device are respectively connected with the IO8 end of the first controller and the second standby LED module.
As still further aspects of the invention: the second standby LED module comprises a seventh power tube, an eighth power tube, a ninth power tube, a tenth power tube, a second standby LED interface and a second inverter;
Preferably, the drain electrode of the eighth power tube is connected with the source electrode of the ninth power tube and the drain electrode of the sixth power tube, the source electrode of the eighth power tube is connected with the source electrode of the tenth power tube and the first end of the second standby LED interface, the second end of the second standby LED interface is connected with the drain electrode of the seventh power tube and the drain electrode of the ninth power tube, the source electrode of the seventh power tube is connected with the second end of the second LED interface, the grid electrode of the seventh power tube is connected with the output end of the second inverter, the input end of the second inverter is connected with the grid electrode of the ninth power tube, the grid electrode of the tenth power tube and the IO11 end of the first controller, the drain electrode of the tenth power tube is connected with the output end of the constant current adjusting device, and the grid electrode of the eighth power tube is connected with the sixth end of the signal switching device.
As still further aspects of the invention: the second open circuit detection module comprises a second diode, a second resistor, a second self-locking device and a second logic chip;
Preferably, the cathode of the second diode is connected with the drain electrode of the sixth power tube, the anode of the second diode is connected with the input end of the second self-locking device and the second end of the second logic chip through the second resistor, the output end of the second self-locking device is connected with the first end of the second logic chip and the IO8 end of the first controller, and the third end of the second logic chip is connected with the IO9 end of the first controller.
Compared with the prior art, the invention has the beneficial effects that: the intelligent control module is matched with the signal switching module to control the serial illumination work of the first LED module and the second LED module, the first open circuit detection module is used for detecting the open circuit state of the first LED module and the first standby LED module, and the second open circuit detection module is used for detecting the open circuit state of the second LED module and the second standby LED module, so that the intelligent control module can automatically control the serial illumination states of the first LED module, the second LED module, the first standby LED module and the second standby LED module according to the open circuit states of the first LED module, the second LED module, the first standby LED module and the second standby LED module, the automatic illumination control intelligence is improved, the illumination control means is increased, and the working efficiency and the service life of the LEDs are improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic block diagram of an automatic control device according to an embodiment of the present invention.
Fig. 2 is a circuit diagram of an automatic control device according to an embodiment of the present invention.
Fig. 3 is a connection circuit diagram of a first open circuit detection module according to an embodiment of the present invention.
Fig. 4 is a connection circuit diagram of a second open circuit detection module according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In one embodiment, referring to fig. 1, an automatic control apparatus includes: the system comprises a power supply module 1, an intelligent control module 2, a signal switching module 3, a first LED module 4, a first standby LED module 5, a first open circuit detection module 6, a second LED module 7, a second standby LED module 8 and a second open circuit detection module 9;
specifically, the power module 1 is connected with the intelligent control module 2 and is used for accessing direct current electric energy, receiving a first pulse signal output by the intelligent control module 2 and performing constant current and voltage stabilization treatment on the direct current electric energy;
The first open circuit detection module 6 is connected with the first LED module 4 and the first standby LED module 5, and is used for carrying out open circuit detection on the first LED module 4, outputting a first detection signal in a self-locking manner when the first LED module 4 is open, carrying out open circuit detection on the first standby LED module 5, and outputting a second detection signal when the first standby LED module 5 is open;
the second open circuit detection module 9 is connected with the second LED module 7 and the second standby LED module 8, and is configured to perform open circuit detection on the second LED module 7, output a third detection signal by self-locking when the second LED module 7 is open, perform open circuit detection on the second standby LED module 8, and output a fourth detection signal when the second standby LED module 8 is open;
The intelligent control module 2 is connected with the signal switching module 3, the second open circuit detection module 9, the first open circuit detection module 6, the first standby LED module 5 and the second standby LED module 8, and is used for outputting a first pulse signal, providing a second pulse signal and a third pulse signal for the signal switching module 3, receiving the first detection signal and the third detection signal and stopping outputting the first pulse signal, receiving a fourth detection signal and outputting the fourth pulse signal to control the working state of the first standby LED module 5, and receiving the second detection signal and outputting a fifth pulse signal to control the working state of the second standby LED module 8;
The signal switching module 3 is connected with the first LED module 4, the second LED module 7, the first open circuit detection module 6 and the second open circuit detection module 9, and is used for transmitting a second pulse signal to the first LED module 4, receiving the first detection signal and transmitting the second pulse signal to the first standby LED module 5, transmitting a third pulse signal to the second LED module 7, receiving the third detection signal and transmitting the third pulse signal to the second standby LED module 8;
the first LED module 4 is connected with the power supply module 1 and is used for receiving the second pulse signal transmitted by the signal switching module 3 and performing illumination operation;
The first standby LED module 5 is connected with the power supply module 1, the first LED module 4, the second standby LED module 8 and the second LED module 7, and is used for receiving a fourth pulse signal and performing serial illumination work with the first LED module 4, performing inverse processing on the fourth pulse signal and receiving a second pulse signal transmitted by the signal switching module 3, and performing serial illumination work with the second LED module 7 and the second standby LED module 8;
The second LED module 7 is connected with the first LED module 4 and is used for receiving the third pulse signal transmitted by the signal switching module 3 and carrying out serial illumination work with the first LED module 4;
The second standby LED module 8 is connected to the first LED module 4, the second LED module 7 and the power module 1, and is configured to receive the fifth pulse signal and perform a serial illumination operation with the second LED module 7, and is configured to perform an inversion process on the fifth pulse signal and receive the third pulse signal transmitted by the signal switching module 3, and is configured to perform a serial illumination operation with the first LED module 4 and the first standby LED module 5.
In a specific embodiment, the power module 1 may adopt a power circuit formed by a constant current regulator, and is connected with direct current power and performs constant current voltage stabilization treatment on the connected power; the intelligent control module 2 can adopt a micro-control circuit, integrates a plurality of components such as an arithmetic unit, a controller, a memory, an input/output unit and the like, and realizes the functions of signal processing, data storage, module control, timing control and the like; the signal switching module 3 can adopt a signal switching circuit formed by an analog switch, an inverter, a diode and the like, control the transmission of signals, control the illumination work of the first LED module 4 and the first standby LED module 5, and control the illumination work of the second LED module 7 and the second standby LED module 8; the first LED module 4 may be a first LED circuit comprising an LED interface, a power tube, etc. for performing illumination operation; the first standby LED module 5 may be a first standby LED circuit formed by a power tube, an inverter, and a standby LED interface, and may perform lighting operation, and change connection states with the first LED module 4, the second LED module 7, and the second standby LED module 8; the first open circuit detection module 6 may adopt a first open circuit detection circuit composed of a diode, a self-locking device, a logic chip, etc., and sequentially perform open circuit detection on the first LED module 4 and the first standby LED module 5; the second LED module 7 may be a first LED circuit comprising an LED interface, a resistor, a power tube, etc. for performing illumination operation; the second standby LED module 8 may be a second standby LED circuit formed by a power tube, an inverter, and a standby LED interface, and may perform lighting operation, and change connection states with the first LED module 4, the second LED module 7, and the first standby LED module 5; the second open circuit detection module 9 may adopt a second open circuit detection circuit composed of a diode, a self-locking device, a logic chip, etc., and sequentially perform open circuit detection on the second LED module 7 and the second standby LED module 8.
In another embodiment, referring to fig. 1,2, 3 and 4, the power module 1 includes a constant current regulator; the intelligent control module 2 comprises a first controller U1; the first LED module 4 comprises a first power tube Q1 and a first LED interface;
Specifically, the output end of the constant current regulator is connected with the drain electrode of the first power tube Q1, the gate electrode of the first power tube Q1 is connected with the signal switching module 3, the IO1 end of the first controller U1 is connected with the control end of the constant current regulator, the source electrode of the first power tube Q1 is connected with the first end of the first LED interface, and the second end of the first LED interface is connected with the second LED module 7 and the first standby LED module 5.
In a specific embodiment, the constant current adjusting device can adopt an LED constant current driver, and the specific model is not limited; the first controller U1 can adopt an STM32 singlechip; the first power tube Q1 can be an N-channel field effect tube; the first LED interface is used for being connected with an LED lamp bead.
Further, the signal switching module 3 includes a first analog switch U2, a third diode D3, and a third inverter J3;
Specifically, the IN1 end and the IN2 end of the first analog switch U2 are both connected to the IO2 end of the first controller U1, the CTRL1 end of the first analog switch U2 is connected to the cathode of the third diode D3, the anode of the third diode D3 is connected to the output end of the third inverter J3, the input end of the third inverter J3 is connected to the IO3 end of the first controller U1 and the first open circuit detection module 6, and the OUT1 end and the OUT2 end of the first analog switch U2 are respectively connected to the gate of the first power tube Q1 and the first standby LED module 5.
In a specific embodiment, the first analog switch U2 may be a CD4066 chip; the third inverter J3 may be a not gate logic chip.
Further, the first standby LED module 5 includes a first standby LED interface, a second power tube Q2, a third power tube Q3, a fourth power tube Q4, a fifth power tube Q5, and a first inverter J1;
Specifically, a first end of the first standby LED interface is connected to a source of the fourth power tube Q4 and a source of the second power tube Q2, a drain of the second power tube Q2 is connected to a drain of the first power tube Q1, a second end of the first standby LED interface is connected to a drain of the fifth power tube Q5 and a drain of the third power tube Q3, a source of the third power tube Q3 is connected to a second end of the first LED interface, a gate of the third power tube Q3 is connected to an output end of the first inverter J1, an input end of the first inverter J1 is connected to an IO5 end of the first controller U1, a gate of the fourth power tube Q4 and a gate of the fifth power tube Q5, and a source of the fifth power tube Q5 is connected to the second LED module 7.
In a specific embodiment, the power and the number of the LED lamp beads connected with the first standby LED interface are the same as those of the LED lamp beads connected with the first LED interface; the second power tube Q2, the third power tube Q3, the fourth power tube Q4 and the fifth power tube Q5 may be N-channel field effect tubes, where the second power tube Q2 and the third power tube Q3 control the parallel connection between the first standby LED interface and the first LED interface, and the fourth power tube Q4 and the fifth power tube Q5 control the serial connection between the first standby LED interface and the first LED interface; the first inverter J1 may be a not gate logic chip.
Further, the first open circuit detection module 6 includes a first diode D1, a first resistor R1, a first self-locking device, and a first logic chip J5;
specifically, the cathode of the first diode D1 is connected to the drain of the first power tube Q1, the anode of the first diode D1 is connected to the input end of the first self-locking device and the second end of the first logic chip J5 through the first resistor R1, the output end of the first self-locking device is connected to the first end of the first logic chip J5 and the IO3 end of the first controller U1, and the third end of the first logic chip J5 is connected to the IO4 end of the first controller U1.
In a specific embodiment, the first diode D1 and the first resistor R1 perform open circuit detection, and the first self-locking device may be a high-level self-locking circuit formed by a triode, and perform self-locking on an input high-level signal and output a signal of the high-level signal; the first logic chip J5 may be an and gate logic chip.
Further, the second LED module 7 includes a sixth power tube Q6, a second LED interface, and a third resistor R3; the signal switching module 3 further comprises a signal switching device;
Specifically, the drain electrode of the sixth power tube Q6 is connected to the second end of the first LED interface, the source electrode of the sixth power tube Q6 is connected to the first end of the second LED interface, the second end of the second LED interface is connected to the source electrode of the fifth power tube Q5 and is grounded through the third resistor R3, the gate electrode of the sixth power tube Q6 is connected to the first end of the signal switching device, the second end and the third end of the signal switching device are both connected to the IO6 end of the first controller U1, and the fourth end and the fifth end of the signal switching device are respectively connected to the IO8 end of the first controller U1 and the second standby LED module 8.
In a specific embodiment, the sixth power tube Q6 may be an N-channel field effect tube, to control the illumination of the second LED interface; the circuit composition structure of the signal switching device is the same as that of the first analog switch U2, the third diode D3 and the third inverter J3, wherein the first end, the second end, the third end and the fifth end of the signal switching device correspond to the OUT1 end, the IN2 end, the CTRL1 end and the OUT2 end of the first analog switch U2 respectively, and the fourth end of the signal switching device corresponds to the input end of the third inverter J3.
Further, the second standby LED module 8 includes a seventh power tube Q7, an eighth power tube Q8, a ninth power tube Q9, a tenth power tube Q10, a second standby LED interface, and a second inverter J2;
Specifically, the drain electrode of the eighth power tube Q8 is connected to the source electrode of the ninth power tube Q9 and the drain electrode of the sixth power tube Q6, the source electrode of the eighth power tube Q8 is connected to the source electrode of the tenth power tube Q10 and the first end of the second standby LED interface, the second end of the second standby LED interface is connected to the drain electrode of the seventh power tube Q7 and the drain electrode of the ninth power tube Q9, the source electrode of the seventh power tube Q7 is connected to the second end of the second LED interface, the gate electrode of the seventh power tube Q7 is connected to the output end of the second inverter J2, the input end of the second inverter J2 is connected to the gate electrode of the ninth power tube Q9, the gate electrode of the tenth power tube Q10 and the IO11 end of the first controller U1, the drain electrode of the tenth power tube Q10 is connected to the output end of the constant current regulator, and the gate electrode of the eighth power tube Q8 is connected to the sixth end of the signal switching device.
In a specific embodiment, the seventh power tube Q7, the eighth power tube Q8, the ninth power tube Q9 and the tenth power tube Q10 may be N-channel field effect tubes, where the eighth power tube Q8 and the seventh power tube Q7 control the second standby LED interface to be connected in parallel with the second LED interface, and the ninth power tube Q9 and the tenth power tube Q10 control the second standby LED interface to be connected in series with the second LED interface; the second inverter J2 may be a not gate logic chip.
Further, the second open circuit detection module 9 includes a second diode D2, a second resistor R2, a second self-locking device, and a second logic chip J5;
Specifically, the cathode of the second diode D2 is connected to the drain of the sixth power tube Q6, the anode of the second diode D2 is connected to the input end of the second self-locking device and the second end of the second logic chip J5 through the second resistor R2, the output end of the second self-locking device is connected to the first end of the second logic chip J5 and the IO8 end of the first controller U1, and the third end of the second logic chip J5 is connected to the IO9 end of the first controller U1.
In a specific embodiment, the second diode D2 and the second resistor R2 perform open circuit detection; the second self-locking device is the same as the first self-locking device in selection; the second logic chip J5 may be an and gate logic chip.
In the automatic control device of the embodiment, the constant current adjusting device is connected with direct current electric energy, the first controller U1 controls constant current voltage stabilization of the constant current adjusting device to work and outputs constant current voltage stabilization electric energy, when the circuit is normal, the third inverter J3 triggers the CTRL1 end of the first analog switch U2 to be high level, the second end and the first end of the signal switching device are conducted, the signal output by the IO2 end of the first controller U1 drives the conduction of the first power tube Q1 through the first analog switch U2, the signal output by the IO6 end of the first controller U1 drives the conduction of the sixth power tube Q6 through the signal switching device, the LED lamp beads connected with the first LED interface and the LED lamp beads connected with the second LED interface are connected in series to illuminate, when the first LED interface is open, the first diode D1 is broken down, the IO3 end of the first controller U1 is high level at this moment, and the CTRL2 of the first analog switch U2 is controlled to be high level, the signal output by the IO2 end of the first controller U1 drives the second power tube Q2 to be conducted through the first analog switch U2, the LED lamp bead connected with the first standby LED interface conducts the serial illumination with the LED lamp bead connected with the second LED interface, when the second LED interface is open, the second diode D2 is broken down, the signal output by the IO6 end of the first controller U1 drives the eighth power tube Q8 to be conducted through the signal switching device, the LED lamp bead connected with the first LED interface conducts the serial illumination with the LED lamp bead connected with the second standby LED module 8, if the second standby LED interface is open, the third end of the second logic chip J5 outputs a high level, the IO5 end of the first controller U1 controls the fourth power tube Q4 to conduct with the fifth power tube Q5 to conduct, the LED lamp bead connected with the first standby LED interface conducts the serial illumination with the LED lamp bead connected with the first LED interface, similarly, if the first standby LED interface is open, the IO11 end of the first controller U1 controls the LED lamp bead connected with the second standby LED interface to carry out serial illumination with the LED lamp bead connected with the second LED interface, and if the second standby LED interface and the first standby LED interface are short-circuited, the IO1 end of the first controller U1 stops controlling the work of the constant current regulating device to carry out power-off control.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. Accordingly, the embodiments are to be considered in all respects as illustrative and not restrictive.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (8)

1. An automatic control device, which is characterized in that,
The automatic control device includes: the system comprises a power supply module, an intelligent control module, a signal switching module, a first LED module, a first standby LED module, a first open circuit detection module, a second LED module, a second standby LED module and a second open circuit detection module;
The power module is connected with the intelligent control module and used for accessing direct current electric energy, receiving a first pulse signal output by the intelligent control module and performing constant current and voltage stabilization treatment on the direct current electric energy;
The first open-circuit detection module is connected with the first LED module and the first standby LED module, and is used for carrying out open-circuit detection on the first LED module, outputting a first detection signal in a self-locking manner when the first LED module is open-circuited, carrying out open-circuit detection on the first standby LED module, and outputting a second detection signal when the first standby LED module is open-circuited;
the second open circuit detection module is connected with the second LED module and the second standby LED module, and is used for carrying out open circuit detection on the second LED module, outputting a third detection signal in a self-locking manner when the second LED module is open, carrying out open circuit detection on the second standby LED module, and outputting a fourth detection signal when the second standby LED module is open;
The intelligent control module is connected with the signal switching module, the second open-circuit detection module, the first standby LED module and the second standby LED module, and is used for outputting a first pulse signal, providing a second pulse signal and a third pulse signal for the signal switching module, receiving the first detection signal and the third detection signal, stopping outputting the first pulse signal, receiving a fourth detection signal, outputting the fourth pulse signal, controlling the working state of the first standby LED module, receiving the second detection signal, and outputting a fifth pulse signal, controlling the working state of the second standby LED module;
The signal switching module is connected with the first LED module, the second LED module, the first open circuit detection module and the second open circuit detection module, and is used for transmitting a second pulse signal to the first LED module, receiving the first detection signal and transmitting the second pulse signal to the first standby LED module, transmitting a third pulse signal to the second LED module, and receiving the third detection signal and transmitting the third pulse signal to the second standby LED module;
the first LED module is connected with the power supply module and is used for receiving the second pulse signal transmitted by the signal switching module and carrying out illumination operation;
the first standby LED module is connected with the power supply module, the first LED module, the second standby LED module and the second LED module, and is used for carrying out reverse phase processing on the fourth pulse signal and receiving the second pulse signal transmitted by the signal switching module, carrying out serial illumination work with the second LED module when the first LED module is opened, carrying out serial illumination work with the second standby LED module when the first LED module and the second LED module are both opened, and carrying out serial illumination work with the first LED module when the second LED module and the second standby LED module are both opened;
the second LED module is connected with the first LED module and is used for receiving the third pulse signal transmitted by the signal switching module and carrying out serial illumination work with the first LED module;
The second standby LED module is connected with the first LED module, the second LED module and the power module, and is used for carrying out reverse phase processing on the fifth pulse signal and receiving a third pulse signal transmitted by the signal switching module, carrying out series connection illumination work with the first LED module when the second LED module is opened, and carrying out series connection illumination work with the second LED module when the first LED module and the first LED standby module are both opened.
2. An automatic control apparatus according to claim 1, wherein said power supply module includes constant current regulating means; the intelligent control module comprises a first controller; the first LED module comprises a first power tube and a first LED interface;
The output end of the constant current regulating device is connected with the drain electrode of the first power tube, the grid electrode of the first power tube is connected with the signal switching module, the IO1 end of the first controller is connected with the control end of the constant current regulating device, the source electrode of the first power tube is connected with the first end of the first LED interface, and the second end of the first LED interface is connected with the second LED module and the first standby LED module.
3. An automatic control device according to claim 2, wherein the signal switching module comprises a first analog switch, a third diode and a third inverter;
The IN1 end and the IN2 end of the first analog switch are both connected with the IO2 end of the first controller, the CTRL1 end of the first analog switch is connected with the cathode of the third diode, the anode of the third diode is connected with the output end of the third inverter, the input end of the third inverter is connected with the IO3 end of the first controller and the first open-circuit detection module, and the OUT1 end and the OUT2 end of the first analog switch are respectively connected with the grid of the first power tube and the first standby LED module.
4. An automatic control device according to claim 3, wherein the first backup LED module comprises a first backup LED interface, a second power tube, a third power tube, a fourth power tube, a fifth power tube, and a first inverter;
The first end of the first standby LED interface is connected with the source electrode of the fourth power tube and the source electrode of the second power tube, the drain electrode of the second power tube is connected with the drain electrode of the first power tube, the second end of the first standby LED interface is connected with the drain electrode of the fifth power tube and the drain electrode of the third power tube, the source electrode of the third power tube is connected with the second end of the first LED interface, the grid electrode of the third power tube is connected with the output end of the first inverter, the input end of the first inverter is connected with the IO5 end of the first controller, the grid electrode of the fourth power tube and the grid electrode of the fifth power tube, and the source electrode of the fifth power tube is connected with the second LED module.
5. The automatic control device of claim 4, wherein the first open circuit detection module comprises a first diode, a first resistor, a first self-locking device, and a first logic chip;
The cathode of the first diode is connected with the drain electrode of the first power tube, the anode of the first diode is connected with the input end of the first self-locking device and the second end of the first logic chip through the first resistor, the output end of the first self-locking device is connected with the first end of the first logic chip and the IO3 end of the first controller, and the third end of the first logic chip is connected with the IO4 end of the first controller.
6. The automatic control device of claim 5, wherein the second LED module comprises a sixth power tube, a second LED interface, and a third resistor; the signal switching module further comprises a signal switching device;
The drain electrode of the sixth power tube is connected with the second end of the first LED interface, the source electrode of the sixth power tube is connected with the first end of the second LED interface, the second end of the second LED interface is connected with the source electrode of the fifth power tube and grounded through a third resistor, the grid electrode of the sixth power tube is connected with the first end of the signal switching device, the second end and the third end of the signal switching device are both connected with the IO6 end of the first controller, the fourth end and the fifth end of the signal switching device are respectively connected with the IO8 end of the first controller and the second standby LED module, the grid electrode of the sixth power tube is connected with the first end of the signal switching device, the second end and the third end of the signal switching device are both connected with the IO6 end of the first controller, and the fourth end and the fifth end of the signal switching device are respectively connected with the IO8 end of the first controller and the second standby LED module.
7. The automatic control device of claim 6, wherein the second backup LED module comprises a seventh power tube, an eighth power tube, a ninth power tube, a tenth power tube, a second backup LED interface, and a second inverter;
The drain electrode of the eighth power tube is connected with the source electrode of the ninth power tube and the drain electrode of the sixth power tube, the source electrode of the eighth power tube is connected with the source electrode of the tenth power tube and the first end of the second standby LED interface, the second end of the second standby LED interface is connected with the drain electrode of the seventh power tube and the drain electrode of the ninth power tube, the source electrode of the seventh power tube is connected with the second end of the second LED interface, the grid electrode of the seventh power tube is connected with the output end of the second inverter, the input end of the second inverter is connected with the grid electrode of the ninth power tube, the grid electrode of the tenth power tube and the IO11 end of the first controller, the drain electrode of the tenth power tube is connected with the output end of the constant current regulating device, and the grid electrode of the eighth power tube is connected with the sixth end of the signal switching device.
8. The automatic control device of claim 6, wherein the second open circuit detection module comprises a second diode, a second resistor, a second self-locking device, and a second logic chip;
The cathode of the second diode is connected with the drain electrode of the sixth power tube, the anode of the second diode is connected with the input end of the second self-locking device and the second end of the second logic chip through the second resistor, the output end of the second self-locking device is connected with the first end of the second logic chip and the IO8 end of the first controller, and the third end of the second logic chip is connected with the IO9 end of the first controller.
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