Intelligent traffic signal lamp
By using a multi-lamp parallel design and wireless remote control for intelligent traffic lights, the problems of single lamp damage and difficulty in signal recognition under inclement weather are solved, thereby improving the reliability and visibility of traffic lights and ensuring smooth and safe traffic.
Patent Information
- Application Number
- CN202520106613.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-17
- Publication Date
- 2026-01-06
- Estimated Expiration
- 2035-01-17
AI Technical Summary
The existing traffic lights cannot function properly when a single light is damaged, and the signals are not easily recognized in severe weather conditions, leading to traffic chaos and an increased risk of accidents.
Design an intelligent traffic signal light that uses multiple indicator lights connected in parallel with power supply branches and control circuits to ensure that at least one indicator light works normally. The display area and visibility are increased by using LED or OLED light-emitting diodes, and remote control is achieved by combining a wireless remote control terminal.
It improves the reliability and visibility of traffic lights, ensures smooth and safe traffic flow, and reduces the occurrence of traffic accidents.
Smart Images
Figure CN223770713U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of traffic light technology, specifically to an intelligent traffic light. Background Technology
[0002] Traffic lights are an important piece of equipment in road traffic management, playing a crucial role in ensuring the orderly passage of vehicles from different directions through road intersections. Traffic lights typically consist of three lights per group, with three groups placed at road intersections to provide signal indications for different travel directions. Each light in each group displays red, yellow, or green to indicate when vehicles and pedestrians should proceed or stop. However, in existing traffic light systems, each group only displays a single light during operation, while the other two lights remain idle. This design has several significant shortcomings:
[0003] When one light in a group of traffic lights is damaged, it cannot display the corresponding light color properly, cannot perform the signal prompt function, which can easily cause traffic chaos, increase the risk of road congestion, and even cause traffic accidents.
[0004] In adverse weather conditions, such as heavy fog, heavy rain, or snow, the signals of single-display traffic lights are often difficult for drivers at a distance to see clearly because their display area is relatively small. This further exacerbates the difficulty of identifying signals when passing through intersections in bad weather and increases the possibility of traffic accidents. Utility Model Content
[0005] To address the aforementioned problems, this utility model provides an intelligent traffic signal light, comprising several sets of signal light boxes and a main control terminal; each set of signal light boxes consists of several display lights and a control module, and each display light is equipped with red, yellow and green light tubes.
[0006] The control module includes several power supply branches and a control circuit. The input terminal of the control circuit is electrically connected to the main control terminal, and the output terminal of the control circuit is electrically connected to several power supply branches respectively. Each power supply branch is connected in parallel with the same color light tube in each indicator light, and the light tubes connected in parallel in each power supply branch are all of different colors.
[0007] In order to enable each indicator light in a set of signal light boxes to display different colors, at least three power supply branches are provided.
[0008] In a specific implementation, each power supply branch includes a DC power supply and a constant current source, which are electrically connected. The constant current source is connected in parallel with the light-emitting tubes of the same color in each indicator lamp.
[0009] To increase the display area of the traffic lights, at least three traffic lights are provided.
[0010] In a specific implementation, the light-emitting tube is an LED light-emitting tube or an OLED light-emitting device.
[0011] The control circuit controls one power supply branch at a time to illuminate the indicator lights of a group of signal light boxes.
[0012] In order to achieve multi-directional signal display at road intersections, the signal light box is equipped with at least three sets.
[0013] To enable wireless remote control of on-site signal light boxes, the main control terminal also includes a wireless receiving module, which can be adapted and connected to the remote control terminal.
[0014] Beneficial effects: This utility model is an intelligent traffic signal light. The three indicator lights in each group of signal light boxes can work simultaneously, that is, display the same color (red, yellow, or green) at the same time, which increases the display area of the signal light and greatly improves visibility. At the same time, when the indicator lights are damaged or malfunction, the indicator lights in each group of signal light boxes work independently in parallel to ensure that at least one indicator light is displaying a normal color, thus ensuring normal operation and improving the reliability of traffic lights, thereby better ensuring the smooth flow of traffic and the safety of vehicles and pedestrians. Attached Figure Description
[0015] Figure 1 This is a circuit diagram of a set of signal light boxes for intelligent traffic signals. Detailed Implementation
[0016] Exemplary embodiments of this disclosure will now be described in more detail with reference to the accompanying drawings.
[0017] See Figure 1 This embodiment provides an intelligent traffic signal light, including several sets of signal light boxes and a main control terminal. The main control terminal is used to send color display signals to each set of signal light boxes. In order to realize the signal display for multiple directions at the road intersection, the signal light boxes are provided with at least three sets, which respectively indicate the straight, right turn and left turn directions.
[0018] The signal light box consists of several indicator lights and a control module. Each indicator light is equipped with red, yellow, and green LED tubes. The control module includes several power supply branches and a control circuit. The input terminal of the control circuit is electrically connected to the main control terminal to receive the output signal from the main control terminal. The output terminal of the control circuit is electrically connected to several power supply branches, and the control circuit is used to control the operation of each power supply branch. Each power supply branch connects in parallel to the LED tubes of the same color in each indicator light, and the LED tubes connected in parallel in each power supply branch are all of different colors. The power supply branch is used to provide power to the connected LED tubes so that they emit light.
[0019] To make the signal display of this set of traffic light boxes more obvious, at least three display lights are provided. In this embodiment, the traffic light box includes display lights Da, Db, and Dc. Display lights Da, Db, and Dc are each equipped with three colors of LED tubes or OLED emitters. Specifically, display light Da includes a red LED tube D1, a yellow LED tube D2, and a green LED tube D3; display light Db includes a red LED tube D4, a yellow LED tube D5, and a green LED tube D6; and display light Dc includes a red LED tube D7, a yellow LED tube D8, and a green LED tube D9.
[0020] Meanwhile, in order to enable each indicator light in a set of signal light boxes to display different colors, at least three power supply branches are provided. Each power supply branch includes a DC power supply and a constant current source. The DC power supply and the constant current source are electrically connected. The constant current source is connected in parallel with the light tubes of the same color in each indicator light, and can provide a constant current to the connected light tubes.
[0021] In addition, the control circuit receives color display signals including red light signals, yellow light signals and green signals; and the control circuit can only receive one color display signal at a time. Red, yellow or green signals cannot be sent to the control circuit at the same time. The control circuit controls one power supply branch at a time to illuminate the display lights of a group of signal light boxes.
[0022] In a specific implementation, the three power supply branches include constant current source 1, constant current source 2, and constant current source 3, respectively. Constant current source 1 is electrically connected to the red LED tubes D1, D4, and D7 of each indicator light. When the control circuit receives a red signal, the control circuit turns on constant current source 1 and turns off constant current sources 2 and 3. Constant current source 1 supplies power to the red LED tubes D1 in Da, D4 in Db, and D7 in Dc, so that all the indicator lights in this group of signal light boxes display red.
[0023] Constant current source 2 is electrically connected to the yellow LED tubes D2, D5, and D8 of each indicator light. When the control circuit receives a yellow signal, the control circuit turns on constant current source 2 and disconnects constant current source 1 and constant current source 3. Constant current source 2 supplies power to the yellow LED tubes D2 in Da, D5 in Db, and D8 in Dc, causing all indicator lights in this group of signal light boxes to display yellow.
[0024] Constant current source 3 is electrically connected to the green LED tubes D3, D6, and D9 of each indicator light. When the control circuit receives a green signal, the control circuit turns on constant current source 3 and disconnects constant current source 1 and constant current source 2. Constant current source 3 supplies power to the green LED tubes D3 in Da, D6 in Db, and D9 in Dc, so that all the indicator lights in this group of signal light boxes display green.
[0025] Based on the feature that a single traffic light box can display a color signal simultaneously, the main control terminal also includes a wireless receiving module. The wireless receiving module can be adapted and connected to a remote control terminal, enabling traffic police officers to wirelessly remotely control the on-site traffic light boxes. When traffic police need to direct traffic at road intersections, the traffic light boxes can be remotely controlled via a handheld terminal to display the corresponding color signal, facilitating orderly vehicle passage.
Claims
1. An intelligent traffic signal, characterized by, The signal lamp box comprises a plurality of display lamps and a control module; the control module comprises a plurality of power supply branches and a control circuit; the control circuit is electrically connected with the main control terminal at the input end; the control circuit is electrically connected with the plurality of power supply branches at the output end; the power supply branches are connected in parallel with the light emitting tubes of the same color in each display lamp; and the light emitting tubes connected in parallel by the power supply branches are of different colors. The power supply branches are provided with at least three.
2. The intelligent traffic signal of claim 1, wherein, Each power supply branch comprises a direct current power supply and a constant current source; the direct current power supply and the constant current source are electrically connected; and the constant current source is connected in parallel with the light emitting tubes of the same color in each display lamp.
3. The intelligent traffic signal of claim 2, wherein, The display lamps are provided with at least three.
4. The intelligent traffic signal of claim 1, wherein, The light emitting tubes are LED light emitting tubes or OLED light emitting tubes.
5. The intelligent traffic signal of claim 1, wherein, The control circuit controls one power supply branch at a time for the display lamps of one signal lamp box.
6. The intelligent traffic signal of claim 1, wherein, The signal lamp box is provided with at least three groups.
7. The smart traffic signal of claim 1, wherein, The main control terminal further comprises a wireless receiving module which is adapted to be connected with a remote control terminal.
8. The intelligent traffic signal of claim 1, wherein,