System for monitoring running state of electromechanical system of expressway

Abstract

The utility model discloses a highway electromechanical system operation state monitoring system, which relates to the technical field of monitoring equipment, and comprises a power supply module for supplying power; the power supply detection module is used for power supply detection; the first LED module is used for illumination, open circuit detection and bypass power supply; the second LED module is connected in series with the first LED module and is used for illumination, open circuit detection and bypass power supply; the third LED module is connected with the second LED module in series and is used for illumination, open circuit detection and bypass power supply; the constant-current driving module is used for current sampling and constant-current adjustment; the driving detection module is used for detecting the driving state of the constant-current driving module; the open circuit self-detection module is used for open circuit detection control; and the monitoring control module is used for module control, signal receiving and wireless communication. The highway electromechanical system operation state monitoring system can determine the open-circuit position of tunnel lighting, and is in wireless communication with the highway electromechanical monitoring terminal to maintain the lighting state of the tunnel.

Description

Technical Field

[0001] The utility model relates to the technical field of monitoring equipment, in particular to a highway electromechanical system operating status monitoring system. Background Art

[0002] Highway electromechanical systems primarily include the "three major systems" and the "tunnel electromechanical system." The "tunnel electromechanical system" generally encompasses several categories, including tunnel monitoring systems, tunnel lighting systems, tunnel power supply and distribution systems, and tunnel fire alarm systems. Existing highway electromechanical system operation status monitoring systems, when testing tunnel lighting systems, fail to effectively and timely determine which LED modules are open-circuited by only detecting the total current of the lighting device, as the lighting device generally consists of multiple groups of LED modules connected in series. This system, therefore, requires improvement. Utility Model Content

[0003] The embodiment of the present utility model provides a highway electromechanical system operation status monitoring system to solve the problems raised in the above background technology.

[0004] To achieve the above objectives, the present invention provides the following technical solutions:

[0005] A highway electromechanical system operation status monitoring system includes: a power supply module, a power supply detection module, a first LED module, a second LED module, a third LED module, a constant current drive module, a drive detection module, an open circuit self-detection module and a monitoring control module;

[0006] a power module, configured to receive direct current power, perform constant current regulation on the direct current power, and output first power;

[0007] a power supply detection module, connected to the power supply module, and configured to output a first detection signal when receiving electric energy output by the power supply module under constant current regulation;

[0008] a first LED module connected to the power module, the open circuit self-detection module, and the second LED module, configured to receive first electrical energy and perform lighting operations and output second electrical energy through the first LED module; upon receiving a first control signal output by the open circuit self-detection module, detect whether an open circuit occurs in the first LED module, and if an open circuit occurs, output a first fault signal and transmit the received first electrical energy to the second LED module;

[0009] a second LED module, connected to the open circuit self-detection module and the third LED module, configured to receive the second electrical energy and perform lighting operations and output the third electrical energy through the second LED module, and upon receiving the second control signal output by the open circuit self-detection module, detect whether an open circuit occurs in the second LED module and, if an open circuit occurs, output a second fault signal and transmit the received first electrical energy or second electrical energy to the third LED module;

[0010] a third LED module, connected to the open circuit self-detection module, the drive detection module, and the constant current drive module, configured to receive a third electric energy and perform lighting operations and output a fourth electric energy through the third LED module; upon receiving a third control signal output by the open circuit self-detection module and a second detection signal output by the drive detection module, detect whether an open circuit occurs in the third LED module and, if an open circuit occurs, output a third fault signal and transmit the received second electric energy or third electric energy to the constant current drive module;

[0011] a constant current driving module, connected to the monitoring and control module, for sampling the current of the first LED module, the second LED module, and the third LED module connected in series and outputting a sampling signal; and performing constant current regulation on the first LED module, the second LED module, and the third LED module connected in series upon receiving the driving signal output by the monitoring and control module;

[0012] a driving detection module connected to the constant current driving module, and configured to output a second detection signal when the constant current driving module does not output a sampling signal;

[0013] an open circuit self-detection module, connected to the power supply module, the power supply detection module, and the drive detection module, for performing voltage stabilization processing on the DC power, and providing a first control signal, a second control signal, and a third control signal in sequence upon receiving a first detection signal and a second detection signal;

[0014] The monitoring control module is connected to the first LED module, the second LED module and the third LED module, and is used to output a driving signal, receive a first fault signal, a second fault signal or a third fault signal and communicate wirelessly with the highway electromechanical monitoring terminal.

[0015] As a further solution of the present invention: the power supply module includes a power supply interface, a constant current regulating device and a first diode; the power supply detection module includes a first resistor, a first optical coupler, a first power supply and an eighth resistor;

[0016] Preferably, the first end of the power supply interface is connected to the input end of the constant current regulation device, the ground end of the constant current regulation device is connected to the second end of the power supply interface, the second end of the first optocoupler and the ground end, the first end of the first optocoupler is connected to the output end of the constant current regulation device and the anode of the first diode through the first resistor, the cathode of the first diode is connected to the first LED module, the third end of the first optocoupler is connected to the first power supply, the fourth end of the first optocoupler is connected to the first end of the eighth resistor and the open circuit self-detection module, and the second end of the eighth resistor is grounded.

[0017] As a further solution of the present invention: the first LED module includes a first LED module, a second power tube, a first power tube, a first inverter, a second resistor, a second diode, a third diode and a first logic chip; the monitoring control module includes a monitoring device;

[0018] Preferably, the first end of the first LED module is connected to the cathode of the first diode and the drain of the second power tube, the source of the second power tube is connected to the second end of the first LED module and the drain of the first power tube, the source of the first power tube is connected to the input end of the first inverter and is grounded through the second resistor, the gate of the first power tube is connected to the anode of the second diode and the open circuit self-detection module, the cathode of the second diode is connected to the cathode of the third diode and the B end of the first logic chip, the A end of the first logic chip is connected to the output end of the first inverter, and the Y end of the first logic chip is connected to the anode of the third diode, the gate of the second power tube and the first receiving end of the monitoring device.

[0019] As a further solution of the present invention: the second LED module includes a second LED module, a third power tube, a fourth power tube, a second inverter, a third resistor, a fourth diode, a fifth diode and a second logic chip;

[0020] Preferably, the first end of the second LED module is connected to the second end of the first LED module and the drain of the third power tube, the source of the third power tube is connected to the second end of the second LED module and the drain of the fourth power tube, the source of the fourth power tube is connected to the input end of the second inverter and is grounded through a third resistor, the gate of the fourth power tube is connected to the anode of the fourth diode and the open circuit self-detection module, the cathode of the fourth diode is connected to the cathode of the fifth diode and the B end of the second logic chip, the output end of the second inverter is connected to the A end of the second logic chip, and the gate of the third power tube is connected to the second receiving end of the monitoring device, the anode of the fifth diode and the Y end of the first logic chip.

[0021] As a further solution of the present invention: the third LED module includes a third LED module, a fifth power tube, a sixth diode, a seventh diode, an eighth diode, a ninth diode and a third logic chip;

[0022] Preferably, the first end of the third LED module is connected to the drain of the fifth power tube and the second end of the second LED module, the source of the fifth power tube is connected to the second end of the third LED module and the constant current driving module, the gate of the fifth power tube is connected to the third receiving end of the monitoring device, the Y end of the third logic chip, the anode of the sixth diode and the anode of the seventh diode, the cathode of the sixth diode is connected to the cathode of the eighth diode and the A end of the third logic chip, the cathode of the seventh diode is connected to the cathode of the ninth diode and the B end of the third logic chip, and the anode of the eighth diode and the anode of the ninth diode are respectively connected to the driving detection module and the open circuit self-detection module.

[0023] As a further solution of the present invention: the constant current driving module includes a sixth power tube, a fourth resistor, a fifth resistor and a first operational amplifier; the driving detection module includes a second optical coupler, a sixth resistor and a second power supply;

[0024] Preferably, the drain of the sixth power tube is connected to the second end of the third LED module, the source of the sixth power tube is connected to the inverting end of the first operational amplifier and connected to the first end of the second optocoupler through the fifth resistor, the second end of the second optocoupler is grounded, the non-inverting end of the first operational amplifier is connected to the driving end of the monitoring device, the output end of the first operational amplifier is connected to the gate of the sixth power tube through the fourth resistor, the third end of the second optocoupler is connected to the first end of the sixth resistor and the anode of the eighth diode, the second end of the sixth resistor is connected to the second power supply, and the fourth end of the second optocoupler is grounded.

[0025] As a further solution of the utility model: the open circuit self-detection module includes a voltage stabilizing device, a fourth logic chip, a seventh resistor, a first potentiometer, a first capacitor, a second capacitor, a first controller and a first counter;

[0026] Preferably, the input end of the voltage stabilizing device is connected to the first end of the power supply interface, the ground end of the voltage stabilizing device is connected to the second end of the power supply interface, one end of the first capacitor, one end of the second capacitor, the first end of the first controller, the thirteenth end and the fifteenth end of the first counter, the output end of the voltage stabilizing device is connected to the eighth end of the first controller and the sixteenth end of the first counter and is connected to the seventh end of the first controller, one end and the slider end through the seventh resistor, the other end of the first potentiometer is connected to the other end of the first capacitor, the sixth end and the second end of the first controller, the fifth end of the first controller is connected to the other end of the second capacitor, the third end of the first controller is connected to the fourteenth end of the first counter, and the third end, second end and thirteenth end of the first counter are respectively connected to the gate of the first power tube, the gate of the fourth power tube and the anode of the ninth diode.

[0027] Compared with the prior art, the beneficial effects of the present invention are as follows: the highway electromechanical system operation status monitoring system of the present invention uses a power supply detection module and a drive detection module to determine whether the tunnel lighting device in the highway electromechanical system is open-circuited. When an open circuit occurs, the open-circuit self-detection module sequentially controls the first LED module, the second LED module, and the third LED module to perform open-circuit judgment, and continues to transmit power through a bypass at the open-circuit location. The monitoring control module can also wirelessly transmit the open-circuit location to the highway electromechanical monitoring terminal, while continuing to complete the open-circuit status detection of the remaining LED modules, maintaining the lighting status of the tunnel lighting device, improving the lighting efficiency and safety of the tunnel, and reducing human resource consumption. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments of the present invention. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0029] Figure 1 The present invention provides a schematic block diagram of the principle of a highway electromechanical system operating status monitoring system.

[0030] Figure 2 The present invention provides a circuit diagram of a highway electromechanical system operation status monitoring system.

[0031] Figure 3 This is a connection circuit diagram of the open circuit self-detection module provided by an example of the utility model. DETAILED DESCRIPTION

[0032] 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 embodiments described 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 making creative efforts are within the scope of protection of the present invention.

[0033] In one embodiment, see Figure 1 A highway electromechanical system operation status monitoring system includes: a power supply module 1, a power supply detection module 2, a first LED module 3, a second LED module 4, a third LED module 5, a constant current drive module 6, a drive detection module 7, an open circuit self-detection module 8 and a monitoring control module 9;

[0034] Specifically, the power module 1 is used to receive direct current power and perform constant current regulation on the direct current power to output first power;

[0035] a power supply detection module 2, connected to the power supply module 1, and configured to output a first detection signal when receiving electric energy outputted by the power supply module 1 under constant current regulation;

[0036] The first LED module 3 is connected to the power module 1, the open circuit self-detection module 8, and the second LED module 4, and is configured to receive the first electrical energy and perform lighting operations and output the second electrical energy through the first LED module. Upon receiving the first control signal output by the open circuit self-detection module 8, the first LED module is detected to determine whether an open circuit has occurred. If an open circuit has occurred, the first LED module is output with a first fault signal and the first electrical energy is transmitted to the second LED module.

[0037] The second LED module 4 is connected to the open circuit self-detection module 8 and the third LED module 5, and is used to receive the second electric energy and perform lighting work and output the third electric energy through the second LED module. When receiving the second control signal output by the open circuit self-detection module 8, it detects whether the second LED module has an open circuit and outputs a second fault signal when an open circuit occurs, and transmits the received first electric energy or second electric energy to the third LED module 5;

[0038] The third LED module 5 is connected to the open circuit self-detection module 8, the drive detection module 7 and the constant current drive module 6, and is used to receive the third electric energy and perform lighting work and output the fourth electric energy through the third LED module. When receiving the third control signal output by the open circuit self-detection module 8 and the second detection signal output by the drive detection module 7, it detects whether the third LED module has an open circuit and outputs a third fault signal when an open circuit occurs, and transmits the received second electric energy or the third electric energy to the constant current drive module 6;

[0039] a constant current driving module 6 connected to the monitoring and control module 9, configured to perform current sampling on the first LED module 3, the second LED module 4, and the third LED module 5 connected in series and output a sampling signal, and perform constant current regulation on the first LED module 3, the second LED module 4, and the third LED module 5 connected in series upon receiving the driving signal output by the monitoring and control module 9;

[0040] a driving detection module 7 connected to the constant current driving module 6 and configured to output a second detection signal when the constant current driving module 6 does not output a sampling signal;

[0041] an open circuit self-detection module 8, connected to the power supply module 1, the power supply detection module 2, and the drive detection module 7, for performing voltage stabilization processing on the DC power, and providing a first control signal, a second control signal, and a third control signal in sequence upon receiving a first detection signal and a second detection signal;

[0042] The monitoring control module 9 is connected with the first LED module 3, the second LED module 4 and the third LED module 5, and is used for outputting a driving signal, receiving a first fault signal, a second fault signal or a third fault signal and performing wireless communication with the highway electromechanical monitoring terminal.

[0043] In a specific embodiment, the power supply module 1 can adopt a power supply circuit composed of a power supply interface and a constant current regulating device, access to direct current and perform constant current regulating processing on the direct current; the power supply detection module 2 can adopt a power supply detection circuit composed of a resistor, a photoelectric coupler and a voltage stabilizer, detect the power supply state of the power supply module 1; the first LED module 3 can adopt a first LED circuit composed of an LED module, a field effect transistor, an inverter and a diode, and can perform illumination control, bypass power transmission control and LED open circuit judgment; the second LED module 4 can adopt a second LED circuit composed of an LED module, a field effect transistor, an inverter and a diode, and can perform illumination control, bypass power transmission control and LED open circuit judgment; the third LED module 5 can adopt a third LED circuit composed of an LED module, a field effect transistor and a logic chip, and can perform illumination control, bypass power transmission control and LED open circuit judgment; the constant current driving module 6 can adopt a constant current driving circuit composed of a field effect transistor, a resistor and an operational amplifier, can perform current sampling and constant current regulating, and then perform illumination brightness adjusting; the driving detection module 7 can adopt a driving detection circuit composed of a photoelectric coupler, a resistor and a voltage stabilizer, and can detect the working state of the constant current driving module 6; the open circuit self-detection module 8 can adopt an open circuit self-detection circuit composed of a 555 integrated chip, a counter and a logic chip, when the power supply detection module 2 detects that the power supply module 1 is powered and the driving detection module 7 detects that the constant current driving module 6 has not started working, perform timing work and output a first control signal, a second control signal and a third control signal in turn at a timing; the monitoring control module 9 can adopt a monitoring control circuit composed of a monitoring device, and integrates an operator, a controller, a memory, a communicator and an input-output device and many other components, and realizes signal processing, data storage, module control, timing control, wireless communication and other functions.

[0044] In another embodiment, please refer to Figure 1 , Figure 2 and Figure 3 , the power supply module 1 includes a power supply interface, a constant current regulating device and a first diode D1; the power supply detection module 2 includes a first resistor R1, a first photoelectric coupler U1, a first power supply VCC1 and an eighth resistor R8;

[0045] Specifically, the first end of the power interface is connected to the input end of the constant current regulation device, the ground end of the constant current regulation device is connected to the second end of the power interface, the second end of the first optocoupler U1 and the ground end, the first end of the first optocoupler U1 is connected to the output end of the constant current regulation device and the anode of the first diode D1 through the first resistor R1, the cathode of the first diode D1 is connected to the first LED module 3, the third end of the first optocoupler U1 is connected to the first power supply VCC1, the fourth end of the first optocoupler U1 is connected to the first end of the eighth resistor R8 and the open circuit self-detection module 8, and the second end of the eighth resistor R8 is grounded.

[0046] In a specific embodiment, the constant current regulating device may adopt an LED driving power management chip; and the first optocoupler U1 may adopt a PC817 photoelectric coupler.

[0047] Furthermore, the first LED module 3 includes a first LED module, a second power tube Q2, a first power tube Q1, a first inverter INV1, a second resistor R2, a second diode D2, a third diode D3 and a first logic chip J1; the monitoring control module 9 includes a monitoring device;

[0048] Specifically, the first end of the first LED module is connected to the cathode of the first diode D1 and the drain of the second power tube Q2, the source of the second power tube Q2 is connected to the second end of the first LED module and the drain of the first power tube Q1, the source of the first power tube Q1 is connected to the input end of the first inverter INV1 and is grounded through the second resistor R2, the gate of the first power tube Q1 is connected to the anode of the second diode D2 and the open circuit self-detection module 8, the cathode of the second diode D2 is connected to the cathode of the third diode D3 and the B end of the first logic chip J1, the A end of the first logic chip J1 is connected to the output end of the first inverter INV1, and the Y end of the first logic chip J1 is connected to the anode of the third diode D3, the gate of the second power tube Q2 and the first receiving end of the monitoring device.

[0049] In a specific embodiment, the second power tube Q2 and the first power tube Q1 can both be N-channel field-effect tubes; the first inverter INV1 can be a NOT gate chip; the first logic chip J1 can be an AND gate chip, and when the output of the first inverter INV1 is a high level, it cooperates with the second diode D2 and the third diode D3 to perform a high-level self-locking operation; the above-mentioned monitoring device can be composed of a single-chip microcomputer and a communication device, and the single-chip microcomputer provides a driving signal to control the operation of the constant current driving module, receives signals, and wirelessly communicates with the highway electromechanical monitoring terminal through the communication device.

[0050] Furthermore, the second LED module 4 includes a second LED module, a third power tube Q3, a fourth power tube Q4, a second inverter INV2, a third resistor R3, a fourth diode D4, a fifth diode D5 and a second logic chip J2;

[0051] Specifically, the first end of the second LED module is connected to the second end of the first LED module 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 second LED module and the drain of the fourth power tube Q4, the source of the fourth power tube Q4 is connected to the input end of the second inverter INV2 and is grounded through the third resistor R3, the gate of the fourth power tube Q4 is connected to the anode of the fourth diode D4 and the open circuit self-detection module 8, the cathode of the fourth diode D4 is connected to the cathode of the fifth diode D5 and the B end of the second logic chip J2, the output end of the second inverter INV2 is connected to the A end of the second logic chip J2, and the gate of the third power tube Q3 is connected to the second receiving end of the monitoring device, the anode of the fifth diode D5 and the Y end of the first logic chip J1.

[0052] In a specific embodiment, the third power tube Q3 and the fourth power tube Q4 can both be N-channel field effect tubes; the second inverter INV2 can be a NOT gate chip; the second logic chip J2 can be an AND gate chip, and when the output of the second inverter INV2 is high level, it cooperates with the fourth diode D4 and the fifth diode D5 to perform high level self-locking operation.

[0053] Furthermore, the third LED module 5 includes a third LED module, a fifth power tube Q5, a sixth diode D6, a seventh diode D7, an eighth diode D8, a ninth diode D9 and a third logic chip J3;

[0054] Specifically, the first end of the third LED module is connected to the drain of the fifth power tube Q5 and the second end of the second LED module, the source of the fifth power tube Q5 is connected to the second end of the third LED module and the constant current driving module 6, the gate of the fifth power tube Q5 is connected to the third receiving end of the monitoring device, the Y end of the third logic chip J3, the anode of the sixth diode D6 and the anode of the seventh diode D7, the cathode of the sixth diode D6 is connected to the cathode of the eighth diode D8 and the A end of the third logic chip J3, the cathode of the seventh diode D7 is connected to the cathode of the ninth diode D9 and the B end of the third logic chip J3, and the anode of the eighth diode D8 and the anode of the ninth diode D9 are respectively connected to the driving detection module 7 and the open circuit self-detection module 8.

[0055] In a specific embodiment, the fifth power tube Q5 can be an N-channel field effect tube; the third logic chip J3 can be an AND gate chip, which cooperates with the sixth diode D6, the seventh diode D7, the eighth diode D8 and the ninth diode D9 to perform high-level self-locking.

[0056] Furthermore, the constant current driving module 6 includes a sixth power tube Q6, a fourth resistor R4, a fifth resistor R5 and a first operational amplifier AD1; the driving detection module 7 includes a second optical coupler U2, a sixth resistor R6 and a second power supply VCC2;

[0057] Specifically, the drain of the sixth power tube Q6 is connected to the second end of the third LED module, the source of the sixth power tube Q6 is connected to the inverting end of the first operational amplifier AD1 and is connected to the first end of the second optocoupler U2 through the fifth resistor R5, the second end of the second optocoupler U2 is grounded, the non-inverting end of the first operational amplifier AD1 is connected to the driving end of the monitoring device, the output end of the first operational amplifier AD1 is connected to the gate of the sixth power tube Q6 through the fourth resistor R4, the third end of the second optocoupler U2 is connected to the first end of the sixth resistor R6 and the anode of the eighth diode D8, the second end of the sixth resistor R6 is connected to the second power supply VCC2, and the fourth end of the second optocoupler U2 is grounded.

[0058] In a specific embodiment, the second optocoupler U2 may be a PC817 photocoupler; the first operational amplifier AD1 may be an OP07 operational amplifier; the fifth resistor R5 may be a current sampling resistor; and the sixth power transistor Q6 may be an N-channel field effect transistor.

[0059] Furthermore, the open circuit self-detection module 8 includes a voltage stabilizing device, a fourth logic chip J4, a seventh resistor R7, a first potentiometer RP1, a first capacitor R1, a second capacitor C2, a first controller IC1 and a first counter IC2;

[0060] Specifically, the input end of the voltage stabilizing device is connected to the first end of the power interface, the ground end of the voltage stabilizing device is connected to the second end of the power interface, one end of the first capacitor R1, one end of the second capacitor C2, the first end of the first controller IC1, the thirteenth end and the fifteenth end of the first counter IC2, the output end of the voltage stabilizing device is connected to the eighth end of the first controller IC1 and the sixteenth end of the first counter IC2 and is connected to the seventh end of the first controller IC1, one end and the slider end of the first potentiometer RP1 through the seventh resistor R7, the other end of the first potentiometer RP1 is connected to the other end of the first capacitor R1, the sixth end and the second end of the first controller IC1, the fifth end of the first controller IC1 is connected to the other end of the second capacitor C2, the third end of the first controller IC1 is connected to the fourteenth end of the first counter IC2, and the third end, second end and thirteenth end of the first counter IC2 are respectively connected to the gate of the first power tube Q1, the gate of the fourth power tube Q4 and the anode of the ninth diode D9.

[0061] In a specific embodiment, the above-mentioned voltage stabilizing device may use an LM317 voltage stabilizer; the above-mentioned fourth logic chip J4 may use an AND gate chip; the above-mentioned first controller IC1 may use an NE555 chip, and cooperate with the seventh resistor R7, the first potentiometer RP1, the first capacitor R1 and the second capacitor C2 to provide a square wave signal regularly; the above-mentioned first counter IC2 may use a CD4017 chip for counting, and cooperate with the first controller IC1 to realize the water control function.

[0062] In a highway electromechanical system operation status monitoring system according to this embodiment, direct current power is input through a power interface, a constant current regulating device performs constant current regulation, a first LED module is connected in series with a second LED module and a third LED module, a fifth resistor R5 performs current sampling, and the monitoring device outputs a driving signal. Then, the conduction state of the sixth power tube Q6 is controlled by the first operational amplifier AD1, and constant current control and brightness adjustment are performed on the first LED module, the second LED module, and the third LED module. When an open circuit occurs in the first LED module, the second LED module, or the third LED module, the second optocoupler U2 is cut off, causing the Y terminal of the fourth logic chip J4 to become a high level, controlling the operation of the first controller IC1, and cooperating with the seventh resistor R7, the first timer, the first capacitor R1, and the second capacitor C2 to trigger the third terminal, the second terminal, and the fourth terminal of the first counter IC2 to output the first control signal, the second control signal, and the third control signal in sequence. When the first control signal is output, the first power tube Q1 is controlled to be turned on. If the first LED module is in an open circuit state at this time, the first power tube Q1 has no power transmission, and the first inverter INV1 When the output is high, the first logic chip J1 cooperates with the fourth diode D4 and the fifth diode D5 to self-lock and output a first fault signal, and controls the third power tube Q3 to conduct, bypassing power transmission. The first fault signal is wirelessly transmitted by the monitoring device to the highway electromechanical monitoring terminal. When the second control signal is output, the fourth power tube Q4 is controlled to conduct. Similarly, when the second LED module is open-circuited, the second logic chip J2 outputs a second fault signal, controlling the third power tube Q3 to bypass power transmission. The second fault signal is wirelessly transmitted by the monitoring device to the highway electromechanical monitoring terminal. When the third control signal is output, when the third LED module is open-circuited, the third logic chip J3 cooperates with the sixth diode D6, the seventh diode D7, the eighth diode D8, and the ninth diode D9 to self-lock and output a third fault signal, controlling the fifth power tube Q5 to conduct, which is wirelessly transmitted by the monitoring device to the highway electromechanical monitoring terminal. If the open-circuit effect of the first, second, or third LED module is eliminated in advance due to bypass power transmission, the fourth logic chip J4 will stop controlling the first controller IC1.

[0063] It will be apparent 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 characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

[0064] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method 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 methods that can be understood by those skilled in the art.

Claims

1. A highway electromechanical system operating status monitoring system, characterized in that: The highway electromechanical system operation status monitoring system includes: a power supply module, a power supply detection module, a first LED module, a second LED module, a third LED module, a constant current drive module, a drive detection module, an open circuit self-detection module and a monitoring control module; The power supply module is used to receive direct current power and perform constant current regulation on the direct current power to output first power; The power supply detection module is connected to the power supply module and is used to output a first detection signal when receiving the electric energy output by the power supply module under constant current regulation; The first LED module is connected to the power module, the open circuit self-detection module, and the second LED module, and is configured to receive the first electrical energy and perform lighting operations and output the second electrical energy through the first LED module. Upon receiving the first control signal output by the open circuit self-detection module, the first LED module is configured to detect whether an open circuit occurs, and if an open circuit occurs, the first LED module is configured to output a first fault signal and transmit the received first electrical energy to the second LED module. The second LED module is connected to the open circuit self-detection module and the third LED module, and is used to receive the second electric energy and perform lighting work and output the third electric energy through the second LED module. When receiving the second control signal output by the open circuit self-detection module, the second LED module detects whether an open circuit occurs and outputs a second fault signal when an open circuit occurs and transmits the received first electric energy or second electric energy to the third LED module. The third LED module is connected to the open circuit self-detection module, the drive detection module and the constant current drive module, and is used to receive the third electric energy and perform lighting work and output the fourth electric energy through the third LED module. When receiving the third control signal output by the open circuit self-detection module and the second detection signal output by the drive detection module, it detects whether the third LED module has an open circuit and outputs a third fault signal when an open circuit occurs, and transmits the received second electric energy or the third electric energy to the constant current drive module. The constant current driving module is connected to the monitoring and control module, and is used to sample the current of the first LED module, the second LED module, and the third LED module connected in series and output a sampling signal. When receiving the driving signal output by the monitoring and control module, the constant current is adjusted for the first LED module, the second LED module, and the third LED module connected in series; The driving detection module is connected to the constant current driving module and is used to output a second detection signal when the constant current driving module does not output a sampling signal; The open circuit self-detection module is connected to the power supply module, the power supply detection module and the drive detection module, and is used to stabilize the DC power and provide a first control signal, a second control signal and a third control signal in sequence upon receiving a first detection signal and a second detection signal; The monitoring control module is connected to the first LED module, the second LED module and the third LED module, and is used to output a driving signal, receive a first fault signal, a second fault signal or a third fault signal and communicate wirelessly with the highway electromechanical monitoring terminal.

2. A highway electromechanical system operating status monitoring system according to claim 1, characterized in that: The power supply module includes a power supply interface, a constant current regulating device and a first diode; the power supply detection module includes a first resistor, a first optical coupler, a first power supply and an eighth resistor; The first end of the power interface is connected to the input end of the constant current regulation device, the ground end of the constant current regulation device is connected to the second end of the power interface, the second end of the first optocoupler and the ground end, the first end of the first optocoupler is connected to the output end of the constant current regulation device and the anode of the first diode through the first resistor, the cathode of the first diode is connected to the first LED module, the third end of the first optocoupler is connected to the first power supply, the fourth end of the first optocoupler is connected to the first end of the eighth resistor and the open circuit self-detection module, and the second end of the eighth resistor is grounded.

3. A highway electromechanical system operating status monitoring system according to claim 2, characterized in that: The first LED module includes a first LED module, a second power tube, a first power tube, a first inverter, a second resistor, a second diode, a third diode and a first logic chip; the monitoring control module includes a monitoring device; The first end of the first LED module is connected to the cathode of the first diode and the drain of the second power tube, the source of the second power tube is connected to the second end of the first LED module and the drain of the first power tube, the source of the first power tube is connected to the input end of the first inverter and is grounded through a second resistor, the gate of the first power tube is connected to the anode of the second diode and the open circuit self-detection module, the cathode of the second diode is connected to the cathode of the third diode and the B end of the first logic chip, the A end of the first logic chip is connected to the output end of the first inverter, and the Y end of the first logic chip is connected to the anode of the third diode, the gate of the second power tube and the first receiving end of the monitoring device.

4. A highway electromechanical system operating status monitoring system according to claim 3, characterized in that: The second LED module includes a second LED module, a third power tube, a fourth power tube, a second inverter, a third resistor, a fourth diode, a fifth diode and a second logic chip; The first end of the second LED module is connected to the second end of the first LED module and the drain of the third power tube, the source of the third power tube is connected to the second end of the second LED module and the drain of the fourth power tube, the source of the fourth power tube is connected to the input end of the second inverter and is grounded through a third resistor, the gate of the fourth power tube is connected to the anode of the fourth diode and the open circuit self-detection module, the cathode of the fourth diode is connected to the cathode of the fifth diode and the B end of the second logic chip, the output end of the second inverter is connected to the A end of the second logic chip, and the gate of the third power tube is connected to the second receiving end of the monitoring device, the anode of the fifth diode and the Y end of the first logic chip.

5. A highway electromechanical system operating status monitoring system according to claim 4, characterized in that: The third LED module includes a third LED module, a fifth power tube, a sixth diode, a seventh diode, an eighth diode, a ninth diode and a third logic chip; The first end of the third LED module is connected to the drain of the fifth power tube and the second end of the second LED module, the source of the fifth power tube is connected to the second end of the third LED module and the constant current drive module, the gate of the fifth power tube is connected to the third receiving end of the monitoring device, the Y end of the third logic chip, the anode of the sixth diode and the anode of the seventh diode, the cathode of the sixth diode is connected to the cathode of the eighth diode and the A end of the third logic chip, the cathode of the seventh diode is connected to the cathode of the ninth diode and the B end of the third logic chip, and the anode of the eighth diode and the anode of the ninth diode are respectively connected to the drive detection module and the open circuit self-detection module.

6. A highway electromechanical system operating status monitoring system according to claim 5, characterized in that: The constant current driving module includes a sixth power tube, a fourth resistor, a fifth resistor and a first operational amplifier; the driving detection module includes a second optical coupler, a sixth resistor and a second power supply; The drain of the sixth power tube is connected to the second end of the third LED module, the source of the sixth power tube is connected to the inverting end of the first operational amplifier and is connected to the first end of the second optocoupler through the fifth resistor, the second end of the second optocoupler is grounded, the non-inverting end of the first operational amplifier is connected to the driving end of the monitoring device, the output end of the first operational amplifier is connected to the gate of the sixth power tube through the fourth resistor, the third end of the second optocoupler is connected to the first end of the sixth resistor and the anode of the eighth diode, the second end of the sixth resistor is connected to the second power supply, and the fourth end of the second optocoupler is grounded.

7. A highway electromechanical system operating status monitoring system according to claim 5, characterized in that: The open circuit self-detection module includes a voltage stabilizing device, a fourth logic chip, a seventh resistor, a first potentiometer, a first capacitor, a second capacitor, a first controller and a first counter; The input end of the voltage stabilizing device is connected to the first end of the power interface, the ground end of the voltage stabilizing device is connected to the second end of the power interface, one end of the first capacitor, one end of the second capacitor, the first end of the first controller, the thirteenth end and the fifteenth end of the first counter, the output end of the voltage stabilizing device is connected to the eighth end of the first controller and the sixteenth end of the first counter and is connected to the seventh end of the first controller, one end and the slider end through the seventh resistor, the other end of the first potentiometer is connected to the other end of the first capacitor, the sixth end and the second end of the first controller, the fifth end of the first controller is connected to the other end of the second capacitor, the third end of the first controller is connected to the fourteenth end of the first counter, and the third end, the second end and the thirteenth end of the first counter are respectively connected to the gate of the first power tube, the gate of the fourth power tube and the anode of the ninth diode.

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