CN112677940A - Red light response timely braking system and control method - Google Patents
Red light response timely braking system and control method Download PDFInfo
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- CN112677940A CN112677940A CN202110023592.9A CN202110023592A CN112677940A CN 112677940 A CN112677940 A CN 112677940A CN 202110023592 A CN202110023592 A CN 202110023592A CN 112677940 A CN112677940 A CN 112677940A
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Abstract
The invention discloses a red light response timely braking system and a control method, and particularly relates to the field of urban traffic. According to the scheme, through the existing vehicle road system, the intelligent vehicle road cooperative system can be effectively formed by combining the vehicle braking system through the induced current in the induction metal coil and the Hall effect generated by the Hall sensor, the Hall sensor is added in the original braking system, and the vehicle is intelligently controlled in real time to brake when the red light is on, so that a perfect red light response intelligent braking system is formed.
Description
Technical Field
The invention relates to the technical field of urban traffic, in particular to a red light response timely braking system and a control method.
Background
At present, with the gradual improvement of the living standard of people, automobiles become indispensable transportation tools in people's life, the number of automobiles is increased dramatically, automobile exhaust contains a large amount of harmful gases such as sulfide, cyanide, carbon and lead and inhalable particles, the exhaust emissions are directly discharged into the air, the retention time in the air is long, the conveying distance is long, the influence on human health and atmospheric environment is huge, and the harmful substances directly harm human health and have a profound influence on the human living environment, so the treatment of the exhaust becomes an irreparable task. In addition, due to the increase of the automobile holding amount in the city, the roads in the city are more and more congested, and the problem of urban traffic congestion is also one of the important problems troubling people to go out.
The existing urban traffic road condition basically realizes the situation that whether vehicles cross the line or not when the traffic flow and the red light are forbidden to be intelligently detected. The traffic road is generally provided with an intelligent electronic eye and an underground induction coil to form an intelligent vehicle-road cooperative system. The electronic eye adopts the induction line to induce the pressure that the car on the road surface transmitted, sends the central processing unit with signal acquisition through the sensor, send the register to keep temporarily, in same time interval, if produce two pulse signal simultaneously, regard as "effectively" promptly to judge whether break through the red light, also can come the traffic flow of statistics each time quantum through the pressure line.
However, the determination system also has certain defects, such as incapability of realizing automatic control of the vehicle end on the road more intelligently and better embodying an intelligent vehicle braking system.
Disclosure of Invention
In order to overcome the above defects in the prior art, embodiments of the present invention provide a red light response timely braking system and a control method, which can effectively form an intelligent vehicle and road cooperative system by combining an existing vehicle and road system, an induced current in an induced metal coil, a hall effect generated by a hall sensor, and a vehicle braking system, so as to solve the problems proposed in the background art.
In order to achieve the purpose, the invention provides the following technical scheme that the red light response timely braking system comprises a main braking cylinder, a braking pedal, a vehicle braking system, a road traffic signal lamp, an induction metal coil and a sensing connection wire, wherein an iron core is fixedly installed inside the main braking cylinder, the surface of the iron core is wound with the coil, the input end of the coil is electrically connected with an electronic controller, the input end of the electronic controller is electrically connected with a Hall element, the end part of the main braking cylinder is fixedly connected with a hydraulic pump, the inlet end of the hydraulic pump is fixedly connected with a two-position three-way electromagnetic valve and a liquid storage device, the other end of the two-position three-way electromagnetic valve is fixedly connected with a braking wheel cylinder, and the input end of the;
the end part of the induction metal coil is electrically connected with the output end of the road traffic signal lamp, the induction metal coil is used for receiving the red light signal output of the road traffic signal lamp, and the coil is electrified to generate a magnetic field vertical to the road when the red light is on, the induction metal coil is embedded and installed in a pedestrian zebra crossing at the intersection, and the Hall element is installed at the position, close to the road, of the vehicle chassis and connected with a vehicle braking system to form a vehicle braking system;
the input end of the vehicle braking system is connected with the hydraulic transmission of the brake pedal, a right iron core is slidably mounted inside the brake master cylinder, a piston rod is arranged inside the right iron core, and the end of the piston rod is abutted to the surface of the brake pedal.
Preferably, when the two-position three-way electromagnetic valve is not electrified, the two-position three-way electromagnetic valve is in the right position, the brake master cylinder is directly communicated with the brake wheel cylinder, and the pressure of the brake wheel cylinder is directly controlled by a driver through a brake pedal.
Preferably, a first check valve and a second check valve are respectively arranged at two ends of the hydraulic pump, and the two ends of the hydraulic pump are respectively communicated with the ends of the brake master cylinder and the reservoir through the first check valve and the second check valve.
Preferably, iron core and right iron core are the yoke subassembly, iron core and right iron core are soft iron material component, the coil is the outside of spiral winding in the coil.
Preferably, the electronic controller is a vehicle-mounted control terminal, and the electronic controller is used for receiving signals of the hall element and outputting the signals to control the two-position three-way electromagnetic valve to commutate to generate electromagnetic induction current through the coil.
Preferably, the iron core is sleeved on the surface of the piston rod in a sliding manner, the right iron core is fixedly sleeved on the surface of the piston rod, and the iron core and the right iron core are arranged in a straight line.
A method for controlling a red light responsive immediate braking system, comprising the steps of,
s1: when the red light is on, the induction metal coil receives a brake signal of a road traffic signal lamp, and is electrified to generate a magnetic field vertical to the road surface to wait for the arrival of an automobile;
s2: when an automobile encounters a red light, an induction metal coil embedded in a road surface generates a vertical magnetic field and makes cutting magnetic induction line motion with a Hall element arranged at the end, close to a road, of an automobile chassis, the Hall element generates a Hall signal under the action of the magnetic field, an electronic controller receives the Hall signal, the control coil is electrified to generate electromagnetic induction current, an iron core is magnetized, a right iron core is attracted to move leftwards, a two-position three-way electromagnetic valve is still not electrified, a brake master cylinder is directly communicated with a brake wheel cylinder, and the wheel brake stops;
s3: when the vehicle stops, the two-position three-way electromagnetic valve is electrified and is positioned at the left position, the brake master cylinder is disconnected with the brake wheel cylinder, a channel connected with the brake master cylinder is closed, the brake wheel cylinder is communicated with the liquid reservoir, an electric oil return pump of the vehicle brake system works, and the brake liquid flowing into the liquid reservoir from the brake wheel cylinder is pumped back to the interior of the brake master cylinder;
s4: when the vehicle is restarted, the coil is powered off by the electronic controller, and the piston rod returns to prepare for the next braking.
Preferably, in step S1, when the two-position three-way solenoid valve is not energized, the two-position three-way solenoid valve is in the right position, and the master cylinder and the wheel cylinders are in direct communication.
Preferably, in step S2, the vehicle moves into the zebra crossing, and the magnetic field generated by the induction coil at the zebra crossing is induced by the hall element of the chassis of the vehicle, so as to perform the start control.
The invention has the technical effects and advantages that:
1. in the scheme, an intelligent vehicle-road cooperative system can be effectively formed by the existing vehicle-road system, the inductive current in the inductive metal coil and the Hall effect generated by the Hall sensor in combination with the vehicle braking system, the Hall sensor is added in the original braking system, and the vehicle is intelligently controlled in real time to brake when a red light is on, so that a perfect red light response intelligent braking system is formed;
2. among the above-mentioned scheme, the electric current that passes through when the red light is bright produces induction magnetic field in induction metal coil, produces the electric current as the bright signal of red light at hall sensor response, inputs electronic control system, and is convenient accurate, and adds hall sensor in original braking system to guarantee to carry new function, realize easy, low cost simple to operate in the engineering.
Drawings
FIG. 1 is a schematic view of the present invention in its original state;
FIG. 2 is a schematic diagram of the Hall element of the present invention;
FIG. 3 is a structural diagram of a recovery state according to the present invention;
FIG. 4 is a schematic diagram of a wiring diagram of a Hall element according to the present invention.
The reference signs are:
1. a brake master cylinder; 2. an iron core; 3. a coil; 4. a right iron core; 5. a piston rod; 6. a brake pedal; 7. a Hall element; 8. an electronic controller; 9. a brake wheel cylinder; 10. a two-position three-way electromagnetic valve; 11. a reservoir; 12. a first check valve; 13. a hydraulic pump; 14. a second one-way valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the invention provides a red light response timely braking system as shown in the attached drawings 1 to 4, which comprises a main braking cylinder 1, a braking pedal 6, a vehicle braking system, a road traffic signal lamp, an induction metal coil and a sensing connection wire, wherein an iron core 2 is fixedly installed inside the main braking cylinder 1, a coil 3 is wound on the surface of the iron core 2, the input end of the coil 3 is electrically connected with an electronic controller 8, the input end of the electronic controller 8 is electrically connected with a Hall element 7, the end part of the main braking cylinder 1 is fixedly connected with a hydraulic pump 13, the inlet end of the hydraulic pump 13 is fixedly connected with a two-position three-way electromagnetic valve 10 and a liquid reservoir 11, the other end of the two-position three-way electromagnetic valve 10 is fixedly connected with a braking wheel cylinder 9, the input end of the two-position three-way electromagnetic valve 10 is electrically connected, two ends of the hydraulic pump 13 are respectively communicated with the ends of the master cylinder 1 and the liquid reservoir 11 through a first check valve 12 and a second check valve 14;
the end part of the induction metal coil is electrically connected with the output end of the road traffic signal lamp, the induction metal coil is used for receiving the red light signal output of the road traffic signal lamp, and when the red light is on, the coil is electrified to generate a magnetic field vertical to the road surface, the induction metal coil is embedded and installed in a pedestrian zebra crossing at the intersection, and the Hall element 7 is installed at the position, close to the road, of the vehicle chassis and connected with a vehicle braking system to form the vehicle braking system;
the input end of a vehicle braking system is connected with the hydraulic transmission of a brake pedal 6, a right iron core 4 is slidably mounted inside a brake master cylinder 1, a piston rod 5 is arranged inside the right iron core 4, and the end part of the piston rod 5 is abutted against the surface of the brake pedal 6.
In this embodiment, when the two-position three-way solenoid valve 10 is not energized, it is in the right position, the master cylinder 1 is directly communicated with the brake wheel cylinder 9, and the pressure of the brake wheel cylinder 9 is directly controlled by the driver through the brake pedal 6, so that the brake system of the vehicle body can still be operated when the vehicle brake system is not activated.
In this embodiment, the iron core 2 and the right iron core 4 are magnetic yoke assemblies, the iron core 2 and the right iron core 4 are soft iron members, the coil 3 is spirally wound on the outer side of the coil 3, the iron core 2 is slidably sleeved on the surface of the piston rod 5, the right iron core 4 is fixedly sleeved on the surface of the piston rod 5, the iron core 2 and the right iron core 4 are linearly arranged, the coil 3 is electrified to generate electromagnetic induction current, and the iron core 2 is magnetized to attract the right iron core 4 to move.
In this embodiment, the electronic controller 8 is a vehicle-mounted control terminal, and the electronic controller 8 is configured to receive a signal output from the hall element 7 and control the commutation of the two-position three-way solenoid valve 10 to generate an electromagnetic induction current through the coil 3, so as to perform a commutation operation of each oil path.
A method for controlling a red light responsive immediate braking system, comprising the steps of,
s1: when the red light is on, the induction metal coil receives a brake signal of a road traffic signal lamp, and is electrified to generate a magnetic field vertical to the road surface to wait for the arrival of an automobile;
s2: when an automobile encounters a red light, an induction metal coil embedded in a road surface generates a vertical magnetic field and makes cutting magnetic induction line motion with a Hall element 7 arranged at the end, close to a road, of an automobile chassis, the Hall element generates a Hall signal under the action of the magnetic field, an electronic controller 8 receives the Hall signal, a control coil 3 is electrified to generate electromagnetic induction current, an iron core 2 is magnetized and attracts a right iron core 4 to move leftwards, a two-position three-way electromagnetic valve 10 is still not electrified, a brake master cylinder 1 is directly communicated with a brake wheel cylinder 9, and wheels are braked and stopped;
s3: when the vehicle stops, the two-position three-way electromagnetic valve 10 is electrified and is positioned at the left position, the brake master cylinder 1 is disconnected from the brake wheel cylinder 9, a channel connected with the brake master cylinder 1 is closed, the brake wheel cylinder 9 is communicated with the liquid reservoir 11, an electric oil return pump of the vehicle brake system works, and the brake fluid flowing into the liquid reservoir 11 from the brake wheel cylinder 9 is pumped back to the interior of the brake master cylinder 1;
s4: when the vehicle is restarted, the electronic controller 8 cuts off the power of the coil 3, and the piston rod 5 returns to prepare for the next braking.
In this embodiment, in step S1, when the two-position three-way solenoid valve 10 is not energized, it is in the right position, and the master cylinder 1 and the wheel cylinders 9 are in direct communication.
In this embodiment, in step S2, the vehicle moves into the zebra crossing at the intersection, and the magnetic field generated by the induction metal coil at the intersection is induced to the hall element 7 of the vehicle chassis, thereby performing the start control.
Finally, it should be noted that, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate relative positional relationships, and when the absolute position of the object to be described is changed, the relative positional relationships may be changed;
secondly, in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to common designs, and under the condition of no conflict, the same embodiment and different embodiments of the invention can be combined with each other;
finally, the above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A red light response and timely braking system comprises a main braking cylinder (1), a braking pedal (6), a vehicle braking system, a road traffic signal lamp, an induction metal coil and a sensing connecting wire, it is characterized in that an iron core (2) is fixedly arranged in the brake master cylinder (1), the surface of the iron core (2) is wound with a coil (3), the input end of the coil (3) is electrically connected with an electronic controller (8), the input end of the electronic controller (8) is electrically connected with a Hall element (7), the end part of the brake master cylinder (1) is fixedly connected with a hydraulic pump (13), the inlet end of the hydraulic pump (13) is fixedly connected with a two-position three-way electromagnetic valve (10) and a liquid reservoir (11), the other end of the two-position three-way electromagnetic valve (10) is fixedly connected with a brake wheel cylinder (9), the input end of the two-position three-way electromagnetic valve (10) is electrically connected with the output end of the electronic controller (8);
the end part of the induction metal coil is electrically connected with the output end of the road traffic signal lamp, the induction metal coil is used for receiving the red light signal output of the road traffic signal lamp, and the coil is electrified to generate a magnetic field vertical to the road when the red light is on, the induction metal coil is embedded and installed in a pedestrian zebra crossing at the intersection, and the Hall element (7) is installed at the position, close to the road, of the vehicle chassis and connected with a vehicle braking system to form the vehicle braking system;
the hydraulic transmission of vehicle braking system's input and brake pedal (6) is connected, the inside slidable mounting of brake master cylinder (1) has right iron core (4), the inside of right iron core (4) is equipped with piston rod (5), the tip of piston rod (5) and the surperficial looks butt of brake pedal (6).
2. A red light response and timely braking system according to claim 1, characterized in that when the two-position three-way electromagnetic valve (10) is not energized, it is in the right position, the master cylinder (1) and the wheel cylinder (9) are directly communicated, and the pressure of the wheel cylinder (9) is directly controlled by the driver through the brake pedal (6).
3. A red light response and timely braking system according to claim 2, characterized in that both ends of the hydraulic pump (13) are respectively provided with a first check valve (12) and a second check valve (14), and both ends of the hydraulic pump (13) are respectively communicated with the ends of the master cylinder (1) and the reservoir (11) through the first check valve (12) and the second check valve (14).
4. A red light responsive and timely braking system according to claim 3, characterized in that the iron core (2) and the right iron core (4) are magnetic yoke components, the iron core (2) and the right iron core (4) are soft iron members, and the coil (3) is spirally wound on the outer side of the coil (3).
5. A red light response and timely braking system according to claim 4, characterized in that the electronic controller (8) is a vehicle control terminal, and the electronic controller (8) is used for receiving the signal output of the Hall element (7) and controlling the commutation of the two-position three-way solenoid valve (10) to generate electromagnetic induction current through the coil (3).
6. The red light response and timely braking system according to claim 5, wherein the iron core (2) is slidably sleeved on the surface of the piston rod (5), the right iron core (4) is fixedly sleeved on the surface of the piston rod (5), and the iron core (2) and the right iron core (4) are linearly arranged.
7. A control method of a red light responsive immediate brake system according to any one of claims 1-6, comprising the steps of,
s1: when the red light is on, the induction metal coil receives a brake signal of a road traffic signal lamp, and is electrified to generate a magnetic field vertical to the road surface to wait for the arrival of an automobile;
s2: when an automobile encounters a red light, an induction metal coil buried in a road surface generates a vertical magnetic field and makes cutting magnetic induction line motion with a Hall element (7) installed at the end, close to a road, of an automobile chassis, the Hall element generates a Hall signal under the action of the magnetic field, an electronic controller (8) receives the Hall signal, a control coil (3) is electrified to generate electromagnetic induction current, an iron core (2) is magnetized, a right iron core (4) is attracted to move leftwards, a two-position three-way electromagnetic valve (10) is still not electrified, a brake main cylinder (1) is directly communicated with a brake wheel cylinder (9), and wheels are braked and stopped;
s3: when the vehicle stops, the two-position three-way electromagnetic valve (10) is electrified and positioned at the left position, the brake master cylinder (1) is disconnected from the brake wheel cylinder (9), a channel connected with the brake master cylinder (1) is closed, the brake wheel cylinder (9) is communicated with the liquid reservoir (11), an electric oil return pump of a vehicle brake system works, and the brake liquid flowing into the liquid reservoir (11) from the brake wheel cylinder (9) is pumped back to the interior of the brake master cylinder (1);
s4: when the vehicle is restarted, the electronic controller (8) cuts off the power of the coil (3), and the piston rod (5) returns to prepare for the next braking.
8. The control method of a red light response and instant brake system according to claim 7, characterized in that, in step S1, when the two-position three-way solenoid valve (10) is not energized, it is in right position, and the master cylinder (1) and the wheel cylinder (9) are directly connected.
9. The method for controlling a red light response immediate brake system according to claim 8, wherein in step S2, the vehicle moves to the crossroad to get into the zebra crossing, and the magnetic field generated by the induction coil is induced to the hall element (7) of the vehicle chassis, so as to perform the start control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110023592.9A CN112677940A (en) | 2021-01-08 | 2021-01-08 | Red light response timely braking system and control method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110023592.9A CN112677940A (en) | 2021-01-08 | 2021-01-08 | Red light response timely braking system and control method |
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| CN112677940A true CN112677940A (en) | 2021-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110023592.9A Pending CN112677940A (en) | 2021-01-08 | 2021-01-08 | Red light response timely braking system and control method |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2233344Y (en) * | 1995-02-19 | 1996-08-21 | 郭永青 | Brake anti-blocking system |
| CN2923452Y (en) * | 2006-04-29 | 2007-07-18 | 林炳义 | Smart controller for automobile braking |
| CN101734240A (en) * | 2008-11-20 | 2010-06-16 | 祁雪峰 | Induction type automobile brake |
| CN102312945A (en) * | 2011-08-20 | 2012-01-11 | 山东理工大学 | Electromagnetic hydraulic brake for automobile |
| CN102436770A (en) * | 2011-08-23 | 2012-05-02 | 北京工业大学 | Experimental teaching basic platform for traffic information and control |
| CN102826077A (en) * | 2011-06-13 | 2012-12-19 | 方文淋 | Intelligent auxiliary brake system of vehicle |
| CN203958113U (en) * | 2014-06-10 | 2014-11-26 | 重庆示展科技发展中心 | Master cylinder helping pedal device |
-
2021
- 2021-01-08 CN CN202110023592.9A patent/CN112677940A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2233344Y (en) * | 1995-02-19 | 1996-08-21 | 郭永青 | Brake anti-blocking system |
| CN2923452Y (en) * | 2006-04-29 | 2007-07-18 | 林炳义 | Smart controller for automobile braking |
| CN101734240A (en) * | 2008-11-20 | 2010-06-16 | 祁雪峰 | Induction type automobile brake |
| CN102826077A (en) * | 2011-06-13 | 2012-12-19 | 方文淋 | Intelligent auxiliary brake system of vehicle |
| CN102312945A (en) * | 2011-08-20 | 2012-01-11 | 山东理工大学 | Electromagnetic hydraulic brake for automobile |
| CN102436770A (en) * | 2011-08-23 | 2012-05-02 | 北京工业大学 | Experimental teaching basic platform for traffic information and control |
| CN203958113U (en) * | 2014-06-10 | 2014-11-26 | 重庆示展科技发展中心 | Master cylinder helping pedal device |
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Application publication date: 20210420 |
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