CN113345256A

CN113345256A - Traffic signal lamp capable of dynamically controlling passing time

Info

Publication number: CN113345256A
Application number: CN202110669973.4A
Authority: CN
Inventors: 刘振霞
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2021-09-03

Abstract

The invention relates to a traffic signal lamp capable of dynamically controlling the passing time, which comprises a main controller, signal lamps, an inductive switch, a support and various signal circuits, wherein the main controller sequentially controls the signal circuits to be opened and closed according to a sequential control instruction, so that the signal lamps of all lanes are sequentially opened and closed, and the ordered passing of pedestrians and vehicles is realized.

Description

Traffic signal lamp capable of dynamically controlling passing time

Technical Field

The technology relates to the field of traffic, in particular to a traffic signal lamp for dynamically controlling the passing time.

Background

After the signal time of the traffic lights of the existing highway is set, the time of the traffic lights is fixed, the signal time of green lights cannot be changed because vehicles on a certain lane completely pass through the lane, and the vehicles on other lanes cannot pass through the lane in time because no vehicle on the green light lane closes the green lights, so that artificial vehicle congestion and time and resource waste are caused.

Disclosure of Invention

The invention provides a traffic signal lamp for dynamically controlling the passing time, which aims to solve the defects.

The utility model provides a traffic signal lamp of dynamic control current time, includes main control unit 3, signal lamp 2, inductive switch 1 and support and various signal circuit, and main control unit opens and closes each signal circuit in proper order according to sequence control instruction for the signal lamp in each lane opens and closes in proper order, realizes passing in order of pedestrian and vehicle, characterized by: an induction switch 1 is added in an input signal circuit of a green light circuit, the induction switch 1 is arranged at the vehicle starting position of an intersection, a normally open joint of the induction switch 1 is connected with a signal input end of a main controller to form a switch signal circuit 1.1, an output circuit corresponding to the switch signal circuit is a green light circuit 1.2, when the main controller sequentially controls instructions to conduct the switch signal circuit 1.1, and when the induction switch 1 detects vehicles at the intersection section of the lane within a set time period, the switch is in a closed state, the switch signal circuit 1.1 is electrified, the corresponding green light circuit 1.2 is conducted, a green light is started, and the vehicles pass; this lane vehicle passes through the back completely, because inductive switch 1 adopts normally open articulate with the circuit, inductive switch 1 can not survey this lane vehicle, and inductive switch 1 disconnection, switching signal circuit 1.1 outage, and after main control unit can not accept the signal of this circuit, the green light circuit 1.2 outage simultaneously that corresponds, the green light is closed to shorten the time of opening that the former settlement of this lane green light. After the green light is turned off, the main controller executes the next instruction according to the set program, so that the functions that the green light runs according to the set time when the vehicle is on the lane and can be turned off in time when the vehicle is not on the lane are realized, and the purpose of high-efficiency passing of the vehicle is achieved. Except for the switching signal circuit 1.1, other circuits and the opening and closing of the circuits are the same as the conventional mode, and from the viewpoints, in order to simplify the drawing, the drawing shows a green light circuit diagram of a lane, and the same is shown in the following, and fig. 1.

In order to prevent the vehicle at the rear section of the lane from being prevented from passing through in advance, a plurality of induction switches 1 are arranged at the intersection at intervals along the lane, a normally open joint of the parallel induction switches 1 is connected with the input end of a main controller to form a switch signal circuit 2.1, a corresponding output circuit is a green light circuit 2.2, when the induction switches cannot detect the vehicle in the set time period for opening the green light of the lane, the switch signal circuit 2.1 is disconnected, and after the main controller cannot receive the signal of the signal circuit 2.1, the green light circuit 2.2 of the lane is closed, and the green light is turned off, which is shown in fig. 2.

In order to meet various requirements, the inductive switch 1 is installed on the side or above of a lane with signal light guide or on the ground, and only detects vehicles in the own lane or a plurality of same-direction lanes without being interfered by vehicles in an outer lane.

In order to ensure the safe passing of pedestrians, an inductive switch 5 is arranged on a sidewalk at an intersection, the normally open joint of the inductive switch 5 and the normally open joint of an inductive switch 1 for controlling the same-direction straight-going vehicle are connected in parallel and are connected with the input end of a main controller to form a switch signal circuit 2.1, the corresponding output circuit is a green light circuit 2.2, in the set time period for opening the green light of the lane, after the vehicle and people pass through, the inductive switch 1 and the inductive switch 5 are all disconnected, the switch signal circuit 2.1 is powered off, after the main controller cannot receive the signal of the circuit, the lane and the sidewalk green light circuit 2.2 is turned off, the green light is turned off, and fig. 2 is shown.

In order to facilitate the passing of vehicles in the non-motor vehicle lane, a plurality of trend identification areas are arranged in the non-motor vehicle lane, a plurality of induction switches 8 of the non-motor vehicles are arranged in the identification areas, the induction switches 8 in all the areas are respectively connected with the induction switches 1 of the motor vehicle lane in the same direction in parallel, and the smooth passing of the non-motor vehicles 9 under the condition that no motor vehicles or few motor vehicles exist can be realized, as shown in fig. 2.

Drawings

Fig. 1 is a schematic diagram of a part of circuit of a sensor switch 1 arrangement position and a street of a traffic signal lamp for dynamically controlling the passing time, the sensor switch 1 is arranged on the side surface of the lane, a signal lamp 2 is arranged above the lane, a main controller 3 is arranged beside the lane at the intersection, a vehicle 4 is arranged on the left lane of the transverse (east-west) street, the sensor switch 1 on the left side is switched on, no vehicle is arranged on the right road section, the sensor switch 1 on the right side is switched off, all the sensor switches 1 are connected in parallel and are connected with the input end of the main controller to form a switch signal circuit 1.1, and a green lamp circuit 1.2 (direct output or relay control output circuit) of the output end of the main controller 3 corresponding to the signal circuit 1.1 is arranged. The green light circuits of other lanes are the same as the above, except for the switching signal circuit 1.1, the opening and closing of other circuits and circuits are the same as the conventional technology, and are omitted from the description.

FIG. 2 is a schematic diagram of a street part circuit in which a plurality of inductive switches 1 are arranged at intervals on a lane, a plurality of inductive switches 8 are arranged on a non-motor lane, and inductive switches 5 are arranged on a sidewalk, the inductive switches 1 are arranged at intervals on the lane, vehicles 4 are arranged on the left street, the inductive switches 1 are closed, the inductive switches 5 are arranged on the sidewalk, pedestrians 6 are arranged on the sidewalk, the inductive switches 5 are closed, the inductive switches 8 of the non-motor vehicles are arranged on the non-motor lane in a subarea, non-motor vehicles 9 are arranged on the road, the inductive switches 8 are closed, no vehicles are arranged on the right street, the inductive switches 1 are opened, all the inductive switches 1 and the inductive switches 5 on the lanes in the same direction (with a group of signal lamps) on the transverse (east-west) street, normally open connectors of the inductive switches 8 are connected in parallel to form a switch signal circuit 2.1 with the input end of a controller, and a green lamp circuit 2.2 corresponding to the signal circuit 2.1, the sidewalk signal lamp 7, the traffic light auxiliary circuit and the equipment are the same as the conventional technology and are omitted.

Detailed Description

Taking fig. 2 as an example: on the basis of the existing installation method of the traffic signal lamp, a plurality of induction switches 1 are installed at one side of a straight lane at intervals at an intersection, an induction switch 8 is installed at a non-motor lane, an induction switch 5 is installed at a sidewalk, normally open joints of all the induction switches 1 of the straight lane are connected in parallel and then connected in parallel with normally open joints of the straight induction switches 8 of the non-motor lane, and then connected in parallel with normally open joints of the sidewalk induction switches 5 in the same direction (the direction of pedestrians is the same as the direction of traffic flow), a parallel induction switch group is connected with the input end of a main controller to form a signal circuit 2.1, the corresponding output circuit is a green lamp circuit 2.2, when any induction switch detects that a motor vehicle, a non-motor vehicle or a person exists in the sidewalk, the signal circuit 2.1 has a current, the green lamp circuit 2.2 is electrified, a green signal lamp is in an on state, after personnel and vehicles all pass through, inductive switch 1 and inductive switch 5, inductive switch 8 all break off, and signal circuit 2.1 cuts off the power supply, and after main control unit can not receive this circuit signal, the green light circuit of closing present output and switch on next signal circuit to improve the road efficiency of passing. For example, the power-on time of the green light circuit of the original straight-going lane is set to 60 seconds, when 30 seconds are reached, all vehicles and pedestrians on the sidewalk of the straight-going lane pass through the straight-going lane, the parallel inductive switch 1, the inductive switch 5 and the inductive switch 8 cannot detect the vehicles and the pedestrians, all the inductive switches are switched off, the signal circuit 2.1 is powered off, the main controller cannot receive the input circuit signal, the current output green light circuit 2.2 is switched off, the green lights of the lane and the sidewalk are switched off, and because the main controller controls the command programming according to the sequence, after the green lights are switched off, the main controller sends the next command according to the sequence, the next circuit is switched on or switched off in sequence, and the following commands are reflected on the signal light of the lane: the green light changes to a flashing-yellow-red light (or other pattern of changing to a red light) after 30 seconds of normal lighting. After the red light of the lane is turned on, the green light mode is repeated on the next lane which is released in sequence, and the traffic is circulated and reciprocated, so that the vehicles and the personnel can pass orderly and efficiently. After the inductive switch is installed, when the number of vehicles in the lane is small or no vehicles exist, the traffic lights can be switched in time, the purpose of high-efficiency passing of the vehicles is achieved, great convenience is brought to people's traveling, and the waste of time and resources is reduced.

Claims

1. The utility model provides a traffic signal lamp of dynamic control current time, includes main control unit (3), signal lamp (2), and induction control switch (1) and support and various signal line, main control unit opens and closes each signal circuit according to sequence control command in proper order for the signal lamp in each lane opens and closes in proper order, realizes passing in order of pedestrian and vehicle, characterized by: an induction switch (1) is added in an input signal circuit of a green light circuit, a normally open joint of the induction switch is connected with a signal input end of a main controller to form a switch signal circuit (1.1), an output circuit corresponding to the induction switch is a green light circuit (1.2), when the main controller sequentially controls instructions to conduct the switch signal circuit (1.1), the induction switch (1) is in a closed state when detecting vehicles at a crossing section of a lane, the switch signal circuit (1.1) is powered on, the corresponding green light circuit (1.2) is powered on, and a green light is turned on; after the vehicle on the lane completely passes through, the inductive switch (1) is switched off, the switch signal circuit (1.1) is switched off, the corresponding green light circuit is simultaneously switched off, and the green light is switched off, so that the originally set turn-on time of the green light on the lane is shortened, and after the green light is switched off, the main controller sequentially executes the next instruction according to the sequential control instruction.

2. A traffic signal for dynamically controlling transit time as claimed in claim 1, wherein: at intersection department, set up a plurality of inductive switch (1) along the lane interval, normally opening of parallelly connected inductive switch (1) connects to form switching signal circuit (2.1) with the main control unit input, and the output circuit who corresponds is green lamp circuit (2.2), in the period of opening in the green lamp in this lane of setting for, if inductive switch all can not detect the vehicle when, switching signal circuit (2.1) disconnection, the green lamp circuit (2.2) that correspond are closed, and green lamp extinguishes.

3. A traffic signal for dynamically controlling transit time according to claim 1 or 2, characterized in that: set up inductive switch (5) at crossing pavement, inductive switch (5) are normally opened and are connected and constitute switch signal circuit (2.1) with the inductive switch (1) of control syntropy straight-moving vehicle normally to connect, the output circuit who corresponds is green lamp circuit (2.2), in the period of opening in the green lamp in this lane of setting for, all pass through the back at vehicle and personnel, inductive switch (1) and inductive switch (5) are whole to be broken off, switch signal circuit (2.1) outage, main control unit does not accept behind the signal of this circuit, close this lane and the green lamp circuit of pavement (2.2), green lamp extinguishes.

4. A traffic signal for dynamically controlling transit time as claimed in claim 3, wherein: the non-motor vehicle lane is provided with a plurality of trend identification areas, a plurality of induction switches (8) of the non-motor vehicles are arranged in the identification areas, the induction switches (8) in all the areas are respectively connected with the induction switches (1) of the motor vehicle lanes in the same direction in parallel, and the non-motor vehicles (9) can smoothly pass through the areas without the motor vehicles or with few motor vehicles.

5. The traffic signal lamp for dynamically controlling transit time of claim 4, wherein: the induction control switch (1) is arranged on the side or above the lane guided by the signal lamp or on the ground, only detects the vehicle in the own lane or a plurality of vehicles in the same lane, and is not interfered by the vehicles in the outer lane.