CN117641662B - Automatic control equipment - Google Patents

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

An automatic control device

Technical Field

The invention relates to the technical field of automatic control, in particular to an automatic control device.

Background technique

Automatic control equipment refers to electronic components such as logic controllers, transistors, and electron tubes. With the development of science and technology, automatic control equipment can realize intelligent automatic dimming and color adjustment control of LEDs in LED control systems to meet people's lighting needs. Existing automatic control equipment used in LED control systems will perform power-off protection control or eliminate the open circuit part of the LED when an open circuit fault occurs in the LED. When performing power-off protection control, the safety of LED control is higher, but the automatic control equipment will not be able to continue to control the operation of the LED, and the means of LED lighting control are single. When eliminating the open circuit part of the LED, although the automatic control equipment can continue to control the operation of the LED, it will cause the power of the LED to increase, reduce the working efficiency of the LED and shorten the service life of the LED, so it needs to be improved.

Summary of the invention

The embodiment of the present invention provides an automatic control device to solve the problems raised in the above background technology.

To achieve the above object, the present invention provides the following technical solutions:

An automatic control device, comprising: a power module, an intelligent control module, a signal switching module, a first LED module, a first spare LED module, a first open circuit detection module, a second LED module, a second spare LED module and a second open circuit detection module;

A power supply module, connected to the intelligent control module, for receiving direct current power, for receiving the first pulse signal output by the intelligent control module and performing constant current and voltage stabilization processing on the direct current power;

a first open circuit detection module, connected to the first LED module and the first spare LED module, for performing open circuit detection on the first LED module and outputting a first detection signal in a self-locking manner when an open circuit occurs in the first LED module, and for performing open circuit detection on the first spare LED module and outputting a second detection signal when an open circuit occurs in the first spare LED module;

A second open circuit detection module is connected to the second LED module and the second spare LED module, and is used to perform open circuit detection on the second LED module and output a third detection signal in a self-locking manner when an open circuit occurs in the second LED module, and is used to perform open circuit detection on the second spare LED module and output a fourth detection signal when an open circuit occurs in the second spare LED module;

an intelligent control module, connected to the signal switching module, the second open circuit detection module, the first open circuit detection module, the first standby LED module and the second standby LED module, for outputting a first pulse signal, for providing a second pulse signal and a third pulse signal to the signal switching module, for receiving the first detection signal and the third detection signal and stopping outputting the first pulse signal, for receiving a fourth detection signal and outputting a fourth pulse signal to control the working state of the first standby LED module, and for receiving a second detection signal and outputting a fifth pulse signal to control the working state of the second standby LED module;

a signal switching module connected to the first LED module, the second LED module, the first open circuit detection module and the second open circuit detection module, for transmitting the second pulse signal to the first LED module, for receiving the first detection signal and transmitting the second pulse signal to the first standby LED module, for transmitting the third pulse signal to the second LED module, for receiving the third detection signal and transmitting the third pulse signal to the second standby LED module;

A first LED module, connected to the power module, for receiving a second pulse signal transmitted by the signal switching module and performing lighting work;

A first standby LED module is connected to the power module, the first LED module, the second standby LED module and the second LED module, and is used to receive the fourth pulse signal and perform lighting work in series with the first LED module, and is used to perform inversion processing on the fourth pulse signal and receive the second pulse signal transmitted by the signal switching module, and is used to perform lighting work in series with the second LED module and the second standby LED module;

A second LED module is connected to the first LED module and is used to receive a third pulse signal transmitted by the signal switching module and perform a series lighting operation with the first LED module;

The second backup LED module is connected to the first LED module, the second LED module and the power module, and is used for receiving the fifth pulse signal and performing series lighting operation with the second LED module, and is used for inverting the fifth pulse signal and receiving the third pulse signal transmitted by the signal switching module, and is used for performing series lighting operation with the first LED module and the first backup LED module.

As a further solution of the present invention: the power module includes a constant current regulating device; the intelligent control module includes a first controller; the first LED module includes a first power tube and a first LED interface;

Preferably, the output end of the constant current regulation device is connected to the drain of the first power tube, the gate of the first power tube is connected to the signal switching module, the IO1 end of the first controller is connected to the control end of the constant current regulation device, the source of the first power tube is connected to the first end of the first LED interface, and the second end of the first LED interface is connected to the second LED module and the first backup LED module.

As a further solution of the present invention: the signal switching module includes a first analog switch, a third diode and a third inverter;

Preferably, the IN1 and IN2 terminals of the first analog switch are both connected to the IO2 terminal of the first controller, the CTRL1 terminal of the first analog switch is connected to the cathode of the third diode, the anode of the third diode is connected to the output terminal of the third inverter, the input terminal of the third inverter is connected to the IO3 terminal of the first controller and the first open circuit detection module, and the OUT1 and OUT2 terminals of the first analog switch are respectively connected to the gate of the first power tube and the first spare LED module.

As a further solution of the present invention: the first spare LED module includes a first spare 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 backup LED interface is connected to the source of the fourth power tube and the source of the second power tube, the drain of the second power tube is connected to the drain of the first power tube, the second end of the first backup LED interface is connected to the drain of the fifth power tube and the drain of the third power tube, the source of the third power tube is connected to the second end of the first LED interface, the gate 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 of the fourth power tube and the gate of the fifth power tube, and the source of the fifth power tube is connected to the second LED module.

As a further solution of the present invention: the first open circuit detection module includes 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 to the drain of the first power tube, the anode of the first diode is connected to 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 to 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 to the IO4 end of the first controller.

As a further solution of the present invention: the second LED module includes a sixth power tube, a second LED interface and a third resistor; the signal switching module also includes a signal switching device;

Preferably, the drain of the sixth power tube is connected to the second end of the first LED interface, the source of the sixth power tube is connected to the first end of the second LED interface, the second end of the second LED interface is connected to the source of the fifth power tube and is grounded through a third resistor, the gate of the sixth power tube is connected to the first end of the signal switching device, the second and third ends of the signal switching device are both connected to the IO6 end of the first controller, and the fourth and fifth ends of the signal switching device are respectively connected to the IO8 end of the first controller and the second spare LED module.

As a further solution of the present invention: the second spare LED module includes a seventh power tube, an eighth power tube, a ninth power tube, a tenth power tube, a second spare LED interface and a second inverter;

Preferably, the drain of the eighth power tube is connected to the source of the ninth power tube and the drain of the sixth power tube, the source of the eighth power tube is connected to the source of the tenth power tube and the first end of the second spare LED interface, the second end of the second spare LED interface is connected to the drain of the seventh power tube and the drain of the ninth power tube, the source of the seventh power tube is connected to the second end of the second LED interface, the gate of the seventh power tube is connected to the output end of the second inverter, the input end of the second inverter is connected to the gate of the ninth power tube, the gate of the tenth power tube and the IO11 end of the first controller, the drain of the tenth power tube is connected to the output end of the constant current regulation device, and the gate of the eighth power tube is connected to the sixth end of the signal switching device.

As a further solution of the present invention: the second open circuit detection module includes 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 to the drain of the sixth power tube, the anode of the second diode is connected to 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 to 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 to the IO9 end of the first controller.

Compared with the prior art, the beneficial effects of the present invention are as follows: the automatic control device of the present invention controls the series lighting work of the first LED module and the second LED module by the intelligent control module cooperating with the signal switching module, the open circuit state of the first LED module and the first spare LED module is detected by the first open circuit detection module, and the open circuit state of the second LED module and the second spare LED module is detected by the second open circuit detection module, so that the intelligent control module automatically controls the series lighting state of the first LED module, the second LED module, the first spare LED module and the second spare LED module according to the open circuit state of the first LED module, the second LED module, the first spare LED module and the second spare LED module, thereby improving the intelligence of automatic lighting control, increasing lighting control means, and improving LED working efficiency and service life.

BRIEF DESCRIPTION OF THE DRAWINGS

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for use in the description of the embodiments of the present invention will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

FIG. 1 is a schematic block diagram of an automatic control device provided by an example of the present invention.

FIG. 2 is a circuit diagram of an automatic control device provided by an example of the present invention.

FIG. 3 is a connection circuit diagram of a first open circuit detection module provided in an example of the present invention.

FIG. 4 is a connection circuit diagram of a second open circuit detection module provided by an example of the present invention.

Detailed ways

The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

In one embodiment, referring to FIG. 1 , an automatic control device includes: a power 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 supply module 1 is connected to the intelligent control module 2, and is used to access the DC power, and is used to receive the first pulse signal output by the intelligent control module 2 and perform constant current and voltage stabilization processing on the DC power;

A first open circuit detection module 6 is connected to the first LED module 4 and the first standby LED module 5, and is used to perform open circuit detection on the first LED module 4 and output a first detection signal in a self-locking manner when an open circuit occurs in the first LED module 4, and is used to perform open circuit detection on the first standby LED module 5 and output a second detection signal when the first standby LED module 5 is open circuit;

A second open circuit detection module 9 is connected to the second LED module 7 and the second standby LED module 8, and is used to perform open circuit detection on the second LED module 7 and output a third detection signal in a self-locking manner when the second LED module 7 is open circuited, and is used to 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 circuited;

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 to output a first pulse signal, to provide a second pulse signal and a third pulse signal to the signal switching module 3, to receive the first detection signal and the third detection signal and stop outputting the first pulse signal, to receive a fourth detection signal and output a fourth pulse signal to control the working state of the first standby LED module 5, and to receive a second detection signal and output a fifth pulse signal to control the working state of the second standby LED module 8;

A signal switching module 3, connected to 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, for transmitting the second pulse signal to the first LED module 4, for receiving the first detection signal and transmitting the second pulse signal to the first standby LED module 5, for transmitting the third pulse signal to the second LED module 7, for receiving the third detection signal and transmitting the third pulse signal to the second standby LED module 8;

A first LED module 4, connected to the power module 1, for receiving the second pulse signal transmitted by the signal switching module 3 and performing lighting work;

The first standby LED module 5 is connected to the power module 1, the first LED module 4, the second standby LED module 8 and the second LED module 7, and is used to receive the fourth pulse signal and perform a series lighting operation with the first LED module 4, and is used to perform an inverting process on the fourth pulse signal and receive the second pulse signal transmitted by the signal switching module 3, and is used to perform a series lighting operation with the second LED module 7 and the second standby LED module 8;

A second LED module 7 is connected to the first LED module 4 and is used to receive the third pulse signal transmitted by the signal switching module 3 and perform series lighting work with the first LED module 4;

The second backup LED module 8 is connected to the first LED module 4, the second LED module 7 and the power module 1, and is used for receiving the fifth pulse signal and performing series lighting work with the second LED module 7, and is used for inverting the fifth pulse signal and receiving the third pulse signal transmitted by the signal switching module 3, and is used for performing series lighting work with the first LED module 4 and the first backup LED module 5.

In a specific embodiment, the power supply module 1 can adopt a power supply circuit composed of a constant current regulating device to access DC power and perform constant current voltage stabilization on the accessed power; the intelligent control module 2 can adopt a microcontroller circuit, which integrates many components such as an operator, a controller, a memory, and an input and output device to realize signal processing, data storage, module control, timing control and other functions; the signal switching module 3 can adopt a signal switching circuit composed of an analog switch, an inverter, a diode, etc. to control the transmission of the signal and control the lighting work of the first LED module 4 and the first spare LED module 5, and control the lighting work of the second LED module 7 and the second spare LED module 8; the first LED module 4 can adopt a first LED circuit composed of an LED interface, a power tube, etc. to perform lighting work; the first spare LED module 5 can adopt a first spare LED circuit composed of a power tube, an inverter, and a spare LED interface to perform lighting work, and change the connection status with the first LED module 4, the second LED module 7 and the second spare LED module 8; the above-mentioned first open circuit detection module 6 can adopt the first open circuit detection circuit composed of a diode, a self-locking device, a logic chip, etc., and perform open circuit detection on the first LED module 4 and the first spare LED module 5 in turn; the above-mentioned second LED module 7 can adopt the first LED circuit composed of an LED interface, a resistor, a power tube, etc. to perform lighting work; the above-mentioned second spare LED module 8 can adopt the second spare LED circuit composed of a power tube, an inverter, and a spare LED interface to perform lighting work and change the connection status with the first LED module 4, the second LED module 7 and the first spare LED module 5; the above-mentioned second open circuit detection module 9 can adopt the second open circuit detection circuit composed of a diode, a self-locking device, a logic chip, etc., and perform open circuit detection on the second LED module 7 and the second spare LED module 8 in turn.

In another embodiment, referring to FIG. 1 , FIG. 2 , FIG. 3 and FIG. 4 , the power module 1 includes a constant current regulating device; the intelligent control module 2 includes a first controller U1 ; the first LED module 4 includes a first power tube Q1 and a first LED interface;

Specifically, the output end of the constant current regulation device is connected to the drain of the first power tube Q1, the gate of the first power tube Q1 is connected to the signal switching module 3, the IO1 end of the first controller U1 is connected to the control end of the constant current regulation device, the source of the first power tube Q1 is connected to the first end of the first LED interface, and the second end of the first LED interface is connected to the second LED module 7 and the first backup LED module 5.

In a specific embodiment, the above-mentioned constant current regulation device can adopt an LED constant current driver, and the specific model is not limited; the above-mentioned first controller U1 can adopt an STM32 microcontroller; the above-mentioned first power tube Q1 can select an N-channel field effect tube; the above-mentioned first LED interface is used to connect LED lamp beads.

Further, the signal switching module 3 includes a first analog switch U2, a third diode D3 and a third inverter J3;

Specifically, the IN1 terminal and the IN2 terminal of the first analog switch U2 are both connected to the IO2 terminal of the first controller U1, the CTRL1 terminal 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 terminal of the third inverter J3, the input terminal of the third inverter J3 is connected to the IO3 terminal of the first controller U1 and the first open circuit detection module 6, and the OUT1 terminal and the OUT2 terminal of the first analog switch U2 are respectively connected to the gate of the first power tube Q1 and the first backup LED module 5.

In a specific embodiment, the first analog switch U2 may be implemented by a CD4066 chip; and the third inverter J3 may be implemented by 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, the first end of the first backup LED interface is connected to the source of the fourth power tube Q4 and the source of the second power tube Q2, the drain of the second power tube Q2 is connected to the drain of the first power tube Q1, the second end of the first backup LED interface is connected to the drain of the fifth power tube Q5 and the drain of the third power tube Q3, the source of the third power tube Q3 is connected to the second end of the first LED interface, the gate of the third power tube Q3 is connected to the output end of the first inverter J1, the input end of the first inverter J1 is connected to the IO5 end of the first controller U1, the gate of the fourth power tube Q4 and the gate of the fifth power tube Q5, and the source of the fifth power tube Q5 is connected to the second LED module 7.

In a specific embodiment, the power and quantity of LED lamp beads connected to the above-mentioned first spare LED interface are the same as the power and quantity of LED lamp beads connected to the first LED interface; the above-mentioned second power tube Q2, third power tube Q3, fourth power tube Q4 and fifth power tube Q5 can all be selected from N-channel field effect tubes, wherein the second power tube Q2 and the third power tube Q3 control the parallel connection between the first spare LED interface and the first LED interface, and the fourth power tube Q4 and the fifth power tube Q5 control the series connection between the first spare LED interface and the first LED interface; the above-mentioned first inverter J1 can select 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 can be a high-level self-locking circuit composed of transistors, which self-locks the input high-level signal and outputs a high-level signal; the first logic chip J5 can be an AND gate logic chip.

Furthermore, 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 also includes a signal switching device;

Specifically, the drain of the sixth power tube Q6 is connected to the second end of the first LED interface, the source 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 of the fifth power tube Q5 and is grounded through the third resistor R3, the gate 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 backup LED module 8.

In a specific embodiment, the sixth power tube Q6 can be an N-channel field effect tube to control the lighting operation of the second LED interface; the circuit composition structure of the signal switching device is the same as the circuit composition structure 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 IN1 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 of the eighth power tube Q8 is connected to the source of the ninth power tube Q9 and the drain of the sixth power tube Q6, the source of the eighth power tube Q8 is connected to the source 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 of the seventh power tube Q7 and the drain of the ninth power tube Q9, the source of the seventh power tube Q7 is connected to the second end of the second LED interface, the gate 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 of the ninth power tube Q9, the gate of the tenth power tube Q10 and the IO11 end of the first controller U1, the drain of the tenth power tube Q10 is connected to the output end of the constant current regulation device, and the gate 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 can all be N-channel field effect tubes, wherein the eighth power tube Q8 and the seventh power tube Q7 control the parallel connection of the second standby LED interface and the second LED interface, and the ninth power tube Q9 and the tenth power tube Q10 control the series connection of the second standby LED interface and the second LED interface; the second inverter J2 can 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 are used for open circuit detection; the selection of the second self-locking device is the same as that of the first self-locking device; and the second logic chip J5 can be an AND gate logic chip.

In an automatic control device of the present embodiment, a constant current regulating device is connected to direct current power, and the constant current regulating device is controlled by the first controller U1 to work in constant current regulation and output constant current regulation power. 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 turned on, the signal output from the IO2 end of the first controller U1 drives the first power tube Q1 to be turned on through the first analog switch U2, the signal output from the IO6 end of the first controller U1 drives the sixth power tube Q6 to be turned on through the signal switching device, the LED lamp beads connected to the first LED interface and the LED lamp beads connected to the second LED interface are connected in series for lighting, when the first LED interface is open circuited, the first diode D1 is broken down, at this time the IO3 end of the first controller U1 is high level, and the CTRL2 of the first analog switch U2 is controlled to become high level, the signal output from the IO2 end of the first controller U1 will drive the second power tube Q2 to be turned on through the first analog switch U2, and the LED lamp beads connected to the first standby LED interface will be connected to the second LED interface The connected LED lamp beads are connected in series for lighting. Similarly, when the second LED interface is open-circuited, the second diode D2 will be broken down, and the signal output by the IO6 terminal of the first controller U1 will drive the eighth power tube Q8 to turn on through the signal switching device, and the LED lamp beads connected to the first LED interface will be connected in series with the LED lamp beads connected to the second spare LED module 8 for lighting. If the second spare LED interface is open-circuited, the third terminal of the second logic chip J5 will output a high level, so that the IO5 terminal of the first controller U1 controls the fourth power tube Q4 and the fifth power tube Q5 to turn on, and controls the LED lamp beads connected to the first spare LED interface to be connected in series with the LED lamp beads connected to the first LED interface for lighting. Similarly, if the first spare LED interface is open-circuited, the IO11 terminal of the first controller U1 will control the LED lamp beads connected to the second spare LED interface to be connected in series with the LED lamp beads connected to the second LED interface for lighting. If the second spare LED interface and the first spare LED interface are both short-circuited, the IO1 terminal of the first controller U1 stops controlling the operation of the constant current regulation device and performs power-off control.

It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be considered exemplary and non-restrictive from any point of view.

In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation modes that can be understood by 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.