Automatic induction signal lamp
By designing automatic sensor traffic lights, which utilize vehicle speed radar and control units to automatically identify vehicles, the problem of inaccurate traffic light control at the entrances and exits of industrial and mining enterprises has been solved, enabling vehicles to pass quickly and enter and exit safely.
Patent Information
- Application Number
- CN202423083350.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-13
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2034-12-13
AI Technical Summary
The existing traffic lights at the entrances and exits of industrial and mining enterprises are not precise enough, resulting in long waiting times or congestion, increasing operating costs and requiring dedicated personnel to operate them.
Design an automatic sensing traffic light that uses vehicle speed radar to monitor vehicle information, automatically identifies vehicles through a control unit and LED light circuit board, and controls the color change of the traffic light to clear the lanes for entry and exit, reducing queues of large vehicles.
It enables precise control of traffic lights, reduces vehicle queuing time, improves traffic flow efficiency, reduces operating costs, and ensures safety.
Smart Images
Figure CN223728334U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to cell culture device technical field especially relates to a kind of automatic response signal light. BACKGROUND
[0002] The entrance and exit of industrial and mining enterprises are usually directly connected with the main road, resulting in the large trucks entering and exiting the enterprise frequently needing to make left or right turn operation when the traffic flow is small. The long-time stay of these trucks often interferes with the normal traffic flow of the road, not only causing traffic congestion, but also increasing the risk of accidents. To solve this problem, the management department often installs traffic signal lights and traffic controllers at the entrances and exits of busy traffic enterprises, and optimizes the traffic order through a timed rotation release mechanism.
[0003] Since most of the vehicles entering and exiting the enterprise do not have obvious periodicity, the use of fixed periodic signal control method often leads to long-time unnecessary waiting of vehicles on one side of the road, while there are few vehicles needing to enter or exit the enterprise on the other side. To cope with this limitation, some traffic controllers try to use time period control strategy, and close the signal light during the period when the vehicle enters and exits less, and assist with manual intervention measures. However, these methods still cannot achieve precise control of the entrance and exit traffic signal, and need to add special personnel on duty, which brings additional operating cost burden to the enterprise. SUMMARY
[0004] To solve the problem of unreasonable change of the indication signal of the existing entrance and exit signal light, the utility model provides an automatic response signal light.
[0005] The specific technical solutions are as follows:
[0006] An automatic response signal light comprises a vehicle speed radar, a control unit, an LED lamp circuit board and a switching power supply, the vehicle speed radar is in communication connection with the control unit, the control unit comprises a relay and a photoelectric coupler, and the control unit is electrically connected with the LED lamp circuit board through the relay with a vehicle data discrimination trigger threshold.
[0007] Further, the control unit is in communication connection with the conflict signal light, and the control unit further comprises a voltage stabilizing circuit, a single-chip microcomputer, a communication interface and a plurality of MOS tubes, and the single-chip microcomputer is in communication connection with the vehicle speed radar and the relay respectively.
[0008] Further, the vehicle speed radar comprises a radar data input interface, and the communication interface is connected with the serial port of the single-chip microcomputer and the radar data input interface respectively.
[0009] Further, the relay is driven by the single-chip microcomputer through a transistor to output a switching signal and is connected with the conflict signal lamp in communication, the conflict signal lamp comprises a switching signal input end and a conflict switching signal output end, and the output end of the relay is connected with the switching signal input end.
[0010] Further, the input end of the photoelectric coupler is connected with the conflict switching signal output end, and the output end of the photoelectric coupler is connected with the input pin of the single-chip microcomputer.
[0011] Further, the voltage stabilizing circuit is electrically connected with the switching power supply.
[0012] Further, the LED lamp circuit board is multiple, and the multiple LED lamp circuit boards are respectively electrically connected with the single-chip microcomputer through one MOS tube.
[0013] Further, the LED lamp circuit board is three, and the three LED lamp circuit boards are respectively connected with the red light indication unit, the yellow light indication unit and the green light indication unit one by one.
[0014] Further, the signal emission end of the vehicle speed radar is oriented in the same direction as the signal indication end of the automatic sensing signal lamp.
[0015] The above technical scheme has the following advantages or technical effects:
[0016] 1. The automatic sensing signal lamp can automatically identify vehicles that need to enter or exit according to radar signals, control the timely change of signal light colors, clear the entrance and exit lanes, speed up the vehicle entering and exiting process, and reduce the congestion of main roads caused by large vehicle queuing.
[0017] 2. The vehicle speed radar is used for monitoring vehicles, and the single-chip microcomputer discriminates whether the vehicle meets the triggering condition according to the set threshold value according to the radar signal, timely changes the color of the signal lamp and the color of the conflict signal lamp, and accurately controls the entrance and exit signal. DRAWINGS
[0018] Figure 1 is a structural schematic view of the utility model;
[0019] Figure 2 is a principle diagram of the control unit of the utility model;
[0020] Figure 3 is a circuit diagram of the output end of the relay of the utility model;
[0021] Figure 4 is a circuit diagram of the photoelectric coupler of the utility model;
[0022] Figure 5The utility model discloses a circuit diagram of LED lamp circuit board. DETAILED DESCRIPTION
[0023] In order to make the utility model technical scheme more clearly, the utility model is further explained in detail below in combination with the drawings and specific embodiments.
[0024] As Figure 1 Indicated, an automatic induction signal lamp, comprising: vehicle speed radar, control unit, LED lamp circuit board and switching power supply, vehicle speed radar, control unit, LED lamp circuit board and switching power supply are arranged in signal lamp shell, wherein the installation direction of vehicle speed radar makes signal emission end of vehicle speed radar and signal indication end of the automatic induction signal lamp of the utility model face the same direction, control unit includes voltage stabilizing circuit, single-chip microcomputer, 485 communication interface, photoelectric coupler, relay and MOS tube, vehicle speed radar is communicatedly connected with control unit through 485 communication line, and control unit is electrically connected with LED lamp circuit board through the relay that is provided with vehicle data discrimination trigger threshold value.
[0025] When meeting the trigger condition, the single-chip microcomputer sends relay closing signal, informs the conflict direction signal lamp to open red light and prohibits passing, and then sends relay opening signal, informs the conflict direction signal lamp to open green light and allows passing, and the LED lamp circuit board is composed of red light indication unit, yellow light indication unit and green light indication unit and is the indication unit of a group of signal lamps, directly controlled by control unit.
[0026] The utility model can automatically identify the vehicle needing to enter and exit enterprise according to radar signal, controls signal lamp color and promptly changes emptying the lane of entering and exiting enterprise, speeds up the process of vehicle entering and exiting the factory gate of industrial and mining enterprises, reduces the congestion of main road caused by large vehicle queuing at the gate.
[0027] As Figure 2As shown, the control unit includes a voltage stabilizing circuit, a single-chip microcomputer, a 485 communication interface, a photoelectric coupler, a relay and a MOS tube, the control unit is in communication connection with the conflict direction signal lamp, the conflict direction signal lamp includes a switching value signal input end and a conflict direction switching value signal output end, the single-chip microcomputer is in communication connection with the vehicle speed radar and the relay respectively. The voltage stabilizing circuit is electrically connected with the switching power supply, the voltage stabilizing circuit obtains 24VDC from the switching power supply and converts it into 5VDC to supply the circuit for working; the vehicle speed radar includes a radar data input interface, the 485 communication interface is connected with the serial port of the single-chip microcomputer and the radar data input interface respectively; the input end of the photoelectric coupler is connected with the conflict direction switching value signal output end, the output end of the photoelectric coupler is connected with the IO input pin of the single-chip microcomputer; the relay is driven by the single-chip microcomputer through a triode for outputting a switching value signal, for informing the conflict direction signal lamp and being in communication connection with the conflict direction signal lamp, the output end of the relay is connected with the switching value signal input end; the MOS tube is used for the single-chip microcomputer to control the on-off of the signal lamp 24VDC power supply, there are three MOS tubes for controlling three LED lamp circuit boards.
[0028] Among them, the switching power supply model is PADF24-24, the vehicle speed radar model is STJ1, the MOS tube model is AO3400, the voltage stabilizing power supply model is LM7805, the single-chip microcomputer model is STC8H2K32S, and the 485 communication interface adopts a chip model SP485.
[0029] As shown in Figure 3 , in the circuit of the relay output end, the relay transistor K1 model is HF4100F, the transistor K1 is connected in parallel with a rectifier diode D5, the input voltage is 5V, the rectifier diode D5 model is 1N4007, one end of the transistor K1 and the positive electrode of the rectifier diode D5 is connected with the collector of the NPN transistor Q4A, the base of the transistor Q4A is connected with a resistor R8 as an output port, the resistance value of the resistor R8 is 100Ω, the emitter of the transistor Q4A is grounded, the signal driving triode Q4A model is MMBT3904, the transistor K1 is connected with the connector J5 through a single-pole double-throw switch. The relay is driven by the single-chip microcomputer through the triode Q4A to output a switching value signal, for informing the conflict direction signal lamp and being in communication connection with the conflict direction signal lamp, the output end IO_OUT of the relay is connected with the switching value signal input end.
[0030] As shown in Figure 4As shown in the circuit of the photoelectric coupler input end, the photoelectric coupler U4 is of EL817 type, one end of which is connected in parallel with a resistor R7 and in series with a connector J6 and a resistor R9, the resistor R7 has a resistance of 1KΩ, the resistor R9 has a resistance of 10KΩ, one end of the photoelectric coupler U4 inputs 24V voltage through a diode D4, the diode D4 is of IN4007 type, the other end of the photoelectric coupler U4 is connected to ground through a triode emitter, the triode collector is connected to a conflict direction switch signal input end IO_IN, and inputs 5V voltage through a resistor R6, the resistor R6 has a resistance of 5.1KΩ.
[0031] As shown in the circuit diagram of the LED lamp circuit board, the connector J2 inputs 24V voltage through parallel capacitors C2 and C3 connected to ground, and is connected to MOS tubes Q1, Q2 and Q3 through fuses F1, F2 and F3 respectively, Q1 is connected to a green light indication unit CTL_G, Q2 is connected to a yellow light indication unit CTL_Y, and Q3 is connected to a red light indication unit CTL_R, the three indication light units are switched in time to realize the switching of traffic signal indication by triggering the threshold value, replacing the mode of timing switching. Figure 5
[0032] The automatic sensing signal lamp can automatically identify vehicles entering and leaving the enterprise according to radar signals, empty the vehicle lane of the enterprise in advance through the color change of the signal lamp, send a no-passing signal to the conflict traffic flow, and ensure the safe entry and exit of the vehicles entering and leaving the enterprise; after the vehicles enter and leave, the automatic sensing signal lamp switches the light color, prohibits the vehicles of the enterprise from entering and leaving, and releases the highway traffic flow.
[0033] The above-described embodiments only express several implementation manners of the utility model, the description is more specific and detailed, but it cannot be understood as the limitation of the utility model patent scope. It should be noted that, for ordinary skilled persons in the art, without departing from the concept of the utility model, a number of modifications and improvements can be made, which belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent should be subject to the appended claims.
Claims
1. An automatic inductive signal light, characterized by, The application relates to a vehicle speed radar, a control unit, an LED lamp circuit board and a switching power supply, wherein the vehicle speed radar is in communication connection with the control unit; the control unit comprises a relay and a photoelectric coupler; the control unit is electrically connected with the LED lamp circuit board through the relay provided with a vehicle data discrimination trigger threshold value. The control unit is in communication connection with a conflict direction signal lamp; the control unit further comprises a voltage stabilizing circuit, a single-chip microcomputer, a communication interface and a plurality of MOS tubes; the single-chip microcomputer is in communication connection with the vehicle speed radar and the relay respectively.
2. The automatic inductive signal light according to claim 1, wherein The vehicle speed radar comprises a radar data input interface; the communication interface is connected with a serial port of the single-chip microcomputer and the radar data input interface respectively.
3. An automatic inductive signal light according to claim 2, wherein The relay is in communication connection with the conflict direction signal lamp through a switching quantity signal output by the single-chip microcomputer through a triode; the conflict direction signal lamp comprises a switching quantity signal input end and a conflict direction switching quantity signal output end; the output end of the relay is connected with the switching quantity signal input end.
4. The automatic inductive signal light of claim 2, wherein The input end of the photoelectric coupler is connected with the conflict direction switching quantity signal output end; the output end of the photoelectric coupler is connected with an input pin of the single-chip microcomputer.
5. An automatic inductive signal light according to claim 4, wherein The voltage stabilizing circuit is electrically connected with the switching power supply.
6. The automatic inductive signal lamp according to claim 2, wherein The LED lamp circuit board is multiple; the multiple LED lamp circuit boards are electrically connected with the single-chip microcomputer through one MOS tube respectively.
7. The automatic inductive sign according to claim 2, wherein, The LED lamp circuit board is three; the three LED lamp circuit boards are connected with a red light indication unit, a yellow light indication unit and a green light indication unit respectively.
8. An automatic inductive signal light according to claim 7, characterized in that The signal emission end of the vehicle speed radar is oriented towards the signal indication end of the automatic sensing signal lamp.
9. The automatic inductive sign according to claim 1, wherein,