CN209938325U - Artificial intelligence constant speed cruise system for large bus - Google Patents

Abstract

The utility model relates to the technical field of automotive electronics control, in particular to an artificial intelligence constant speed cruise system for a large bus, which comprises an engine ECU unit and a first micro-processing module connected with the engine ECU unit, wherein the first micro-processing module is connected with a cruise switch, the engine ECU unit is connected with a second micro-processing module through a CAN bus, the second micro-processing module is correspondingly connected with a speed sensor, an indicator lamp, a loudspeaker and an instrument respectively, and the second micro-processing module sends an indicator lamp signal to the indicator lamp to realize the switch of the indicator lamp; through setting up the vibrations sensor, the vehicle can withdraw from temporarily and cruise and realize that the vehicle accelerates to through pilot lamp and speaker suggestion driver, the place ahead road conditions change, slow down and walk slowly, cross the deceleration strip or jolt behind the road surface when the vehicle, the driver only need step on once the throttle and can get back to last time and cruise the speed of a motor vehicle and keep cruising, convenient to use.

Description

An artificial intelligence cruise control system for large passenger cars

technical field

The utility model relates to the technical field of automobile electronic control, in particular to an artificial intelligence cruise control system for large passenger cars.

Background technique

With the development of the automobile industry, the cruise system as an assisted driving has been widely used in the driving system of the car. The cruise system is generally divided into a cruise control system and an adaptive cruise system. The cruise control system is used to control the constant speed of the car. drive. At present, the car cruise control system includes a vehicle speed signal connected to the engine ECU (vehicle computer), and the vehicle speed signal is connected to the engine ECU through a PWM (pulse width modulation) hard wire. When the speed is fixed, the driver sets the desired speed by adjusting the cruise switch, and transmits the switch signal to the engine ECU through PWM hard-wired. Control, the engine ECU will continuously adjust the fuel supply according to the road conditions and the driving resistance of the car, so that the car always keeps running at the set speed.

Domestic mainstream large passenger cars are matched with a mechanical manual transmission with 6 forward gears, and the engine is an electronic fuel injection control system. The main purpose of this type of vehicle is long-distance passenger transportation or tourism reception, and it takes a lot of time and mileage to travel on the highway. At present, mainstream large passenger cars are not equipped with cruise control systems. However, combined with its actual working conditions - in order to ensure the uniform speed of the vehicle on the highway, the driver has to control the accelerator pedal for a long time, which increases the driver's work intensity. The constant speed of the vehicle cannot be guaranteed.

Utility model content

In order to solve the above problems, the present invention provides an artificial intelligence cruise control system for large passenger cars.

The utility model solves its technical problems by adopting the following technical solutions: the artificial intelligence cruise control system for large passenger cars described in the utility model comprises an engine ECU unit and a first micro-processing module connected with the engine ECU unit, so The first micro-processing module is connected to the cruise switch, the engine ECU unit is connected with a second micro-processing module through the CAN bus, and the second micro-processing module is respectively connected with a speed sensor, an indicator light, a speaker and an instrument; the engine A third microprocessor module is also connected to the ECU unit, and the third microprocessor module is connected to the radar detector;

Among them: the first microprocessor module receives and converts the control signal of the cruise switch and transmits it to the engine ECU unit; the second microprocessor module receives the vehicle speed signal sensed by the speed sensor in real time and converts the vehicle speed signal into a CAN signal and sends it to the engine through the CAN bus The ECU unit simultaneously receives and parses the real-time cruise working status and fault information sent by the engine ECU unit to the indicator light, speaker and instrument, and the second microprocessor module sends the indicator light signal to the indicator light to realize the switch of the indicator light; the engine ECU unit receives The control signal and clutch signal, brake signal, exhaust brake signal and accelerator signal of the first microprocessor module, and analyze these signals, and control the vehicle speed according to the control requirements under the predetermined cruise control conditions, while the engine ECU unit The real-time cruise working status and fault information are sent to the second microprocessor module through the CAN bus; the third microprocessor module receives the information around the vehicle body detected by the radar detector, and sends the information around the vehicle body to the engine ECU unit.

Preferably, the cruise switch is provided with a closing gear, an acceleration gear and a deceleration gear, and the control signal includes a closing signal, an acceleration signal and a deceleration signal.

Preferably, the engine ECU unit is connected with a body shaking signal, the body shaking signal is connected with a shock sensor, and the body shaking signal sends the body shaking signal detected by the shock sensor in real time to the engine ECU unit.

Preferably, the information around the vehicle body detected by the radar detector includes a preceding vehicle distance signal, a preceding vehicle azimuth signal, a relative speed signal and a surrounding vehicle number signal, and the preceding vehicle distance signal is the distance between the vehicle and the preceding vehicle, The preceding vehicle azimuth signal is the lane where the preceding vehicle is located, the relative speed signal is the relative speed between the preceding vehicle and the vehicle, the surrounding vehicle number signal is the number of vehicles around the vehicle, and the radar detector will detect the information around the vehicle body Converted to electrical signals that can be processed by the third microprocessor module.

Preferably, the information around the vehicle body detected by the radar detector further includes the vehicle model of the preceding vehicle, the vehicle model of the preceding vehicle, and the engine ECU unit is connected to store the braking distance of different vehicle models and the braking distance of the own vehicle. 's storage.

Compared with the prior art, the beneficial effects of the present utility model are:

1. The artificial intelligence cruise control system for large passenger cars according to the present invention is simple and convenient to operate, reduces the work intensity of the driver, meets the comfort requirements, and reduces the fuel consumption of the vehicle.

2. The artificial intelligence cruise control system for large passenger cars according to the present invention, by setting the vibration sensor, the vehicle can temporarily exit the cruise to realize the vehicle acceleration, and prompt the driver through the indicator light and the loudspeaker that the road conditions ahead change, and the deceleration slows down. OK, when the vehicle passes the speed bump or bumpy road, the driver only needs to step on the accelerator once to return to the last cruising speed and keep cruising, which is convenient to use.

3. By setting the third micro-processing unit, when there are many vehicles around the car, the driver will be reminded through the indicator light and loudspeaker, and the driver is advised to turn off the cruise control. Vehicle distance and vehicle cruising speed recommendations.

Description of drawings

Fig. 1 is the principle block diagram of the utility model.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to FIG. 1 , the present utility model provides a technical solution: an artificial intelligence cruise control system for large passenger cars described in the present utility model includes an engine ECU unit 1 and a first microprocessor module connected to the engine ECU unit 1 3. The first micro-processing module 3 is connected to the cruise switch 2, the engine ECU unit 1 is connected to a second micro-processing module 7 through the CAN bus, and the second micro-processing module 7 is respectively connected to a speed sensor 6, an indicator The lamp 12, the speaker 13 and the meter 14, the second micro-processing module sends the indicator light signal 71 to the indicator light 12 to realize the switch of the indicator light 12; the engine ECU unit 1 is also connected with a third micro-processing module 9, the said The third microprocessing module 9 is connected to the third microprocessing module 8;

Wherein: the first micro-processing module 3 receives and converts the control signal of the cruise switch 2 and transmits it to the engine ECU unit 1; the second micro-processing module 7 receives the vehicle speed signal 72 sensed by the speed sensor 6 in real time and converts the vehicle speed signal 72 into CAN The signal is sent to the engine ECU unit 1 through the CAN bus, and the real-time cruise working status and fault information 73 sent by the engine ECU unit 1 are received and analyzed to the indicator light 12, the speaker 13 and the instrument 14; the engine ECU unit 1 receives the first microprocessor module. 3 control signal and clutch signal 4, brake signal 5, exhaust brake signal 15 and accelerator signal 16, and analyze these signals, and control the vehicle speed according to the control requirements under the predetermined cruise control conditions, while the engine ECU unit 1. Send real-time cruise working status and fault information 73 to the second micro-processing module 7 through the CAN bus; the third micro-processing module 9 accepts the information around the vehicle body detected by the third micro-processing module 8, and sends the information around the vehicle body to Engine ECU unit 1.

As an embodiment, the cruise switch 2 is provided with a closing gear 21 , an acceleration gear 22 and a deceleration gear 23 , and the control signal includes a closing signal 31 , an acceleration signal 32 and a deceleration signal 33 .

As an embodiment, the engine ECU unit 1 is connected with a body shake signal 11 , the body shake signal 11 is connected with a shock sensor 10 , and the body shake signal 11 sends the body shake signal 11 detected by the shock sensor 10 in real time. to engine ECU unit 1.

As an embodiment, the information around the vehicle body detected by the third microprocessing module 8 includes a preceding vehicle distance signal 91 , a preceding vehicle azimuth signal 92 , a relative speed signal 93 and a surrounding vehicle number signal 94 , the preceding vehicle distance signal 94 . 91 is the distance between the vehicle and the ex-husband's vehicle, the preceding vehicle azimuth signal 92 is the lane where the preceding vehicle is located, the relative speed signal 93 is the relative speed between the preceding vehicle and the vehicle, and the surrounding vehicle number signal 94 is the surrounding vehicle. The number of vehicles, the third microprocessor module 8 converts the detected information around the vehicle body into electrical signals that can be processed by the third microprocessor module 9 .

As an embodiment, the information around the vehicle body detected by the third microprocessor module 8 further includes the vehicle model 95 of the preceding vehicle, and the model 95 of the preceding vehicle, and the engine ECU unit 1 is connected to a device for storing different vehicle models. The storage 17 of the braking distance and the braking distance of the own vehicle.

Working principle: After the engine ECU unit 1 is powered on, it reads the vehicle speed signal 72 sensed by the speed sensor 6 in real time and converted by the second microprocessor module 7 and sent to the vehicle CAN bus; enter the cruise, operate the cruise switch 2 the acceleration gear 22, the engine ECU unit 1 receives the acceleration signal 32 sent by the first microprocessing module 3 and the vehicle speed is 40㎞/h, the clutch and the brake device are kept in the released state, the exhaust brake is in the closed state and enters the cruise. The cruising vehicle speed is the current vehicle speed; after constant speed cruising, the engine ECU unit 1 broadcasts and sends the cruising working status to the second microprocessor module 7 in real time through the CAN bus, and the second microprocessor module 7 parses this information and controls the working status of the indicator light 12 , to remind the driver that the vehicle is in a constant speed cruise state; in the vehicle cruise state, operate the acceleration gear 22 of the cruise switch 2, so that the engine ECU unit 1 controls the vehicle to accelerate in steps of 1㎞/h; because the engine ECU unit 1 controls the engine The speed is controlled by the rotation speed. When the rotation speed reaches the highest, the vehicle speed also reaches the maximum value of the gear. The acceleration gear 22 of the cruise switch 2 cannot adjust the vehicle speed. At this time, it is necessary to exit the gear shift and then enter the cruise; , step on the accelerator, the accelerator signal 16 is sent to the engine ECU unit 1, the vehicle temporarily exits the cruise to realize the vehicle acceleration, and then releases the accelerator, the vehicle will continue to cruise at the last cruise speed; when the cruise system fails, the engine ECU unit 1 passes CAN The bus sends the fault code to the second micro-processing module 7, and the second micro-processing module 7 parses the fault code and displays the fault information 73 on the instrument 14, which is convenient for the driver to overhaul and closes the cruise system; The cruising can be exited by reducing the vehicle speed to 40㎞/h; when the vehicle passes the speed bump or bumpy road, the body shaking signal 11 sends the body shaking signal 11 detected by the vibration sensor 10 in real time to the engine ECU unit 1, the engine ECU unit 1. Analyze and judge the size of the jitter. When the size of the jitter matches the size of the jitter when passing through the speed bump or bumpy road, the vehicle temporarily exits the cruise to accelerate the vehicle, and prompts the driver through the indicator light 12 and the speaker 13. After the speed bump or bumpy road, the engine ECU unit 1 judges that the vibration of the vehicle itself is small, and the driver only needs to step on the accelerator once to return to the last cruise speed to maintain cruise; the engine ECU unit 1 processes the preceding vehicle distance signal 91, the preceding vehicle The azimuth signal 92 and the relative speed signal 93 display the distance of the preceding vehicle, the orientation of the preceding vehicle and the relative speed to the driver through the instrument panel 14. When there are many vehicles around the vehicle, the driver is reminded through the indicator light 12 and the speaker 13. It is recommended to The driver turns off the cruise control; the third microprocessor module 8 detects the vehicle model 95 of the preceding vehicle, and the engine ECU unit 1 determines whether the preceding vehicle is a small car, a medium-sized car, a passenger car or a truck, and then retrieves the storage 17 through the engine ECU unit 1 The braking distance of the model and the braking distance of the own vehicle stored in , the engine ECU unit 1 determines the minimum following distance, and gives the driver a reasonable following distance and vehicle cruising speed through the speaker 13 and the instrument 14 with the minimum following distance.

Although the present invention has been described above with reference to the embodiments, various modifications may be made and equivalents may be substituted for parts thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features in the disclosed embodiments of the present invention can be combined with each other in any way, and the description of these combinations is not exhaustive in this specification. For the sake of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims (5)

1. The utility model provides a large bus is with artifical intelligent constant speed cruise system which characterized in that: the intelligent control system comprises an engine ECU unit and a first micro-processing module connected with the engine ECU unit, wherein the first micro-processing module is connected with a cruise switch, the engine ECU unit is connected with a second micro-processing module through a CAN bus, the second micro-processing module is respectively and correspondingly connected with a speed sensor, an indicator lamp, a loudspeaker and an instrument, and the second micro-processing module sends an indicator lamp signal to the indicator lamp to realize the on-off of the indicator lamp; the engine ECU unit is also connected with a third micro-processing module, and the third micro-processing module is connected with a radar detector; wherein: the first micro-processing module receives and converts an operation signal of the cruise switch and transmits the operation signal to the engine ECU unit; the second micro-processing module receives a vehicle speed signal sensed by the speed sensor in real time, converts the vehicle speed signal into a CAN signal, transmits the CAN signal to the engine ECU unit through a CAN bus, and simultaneously receives and analyzes a real-time cruising working state and fault information transmitted by the engine ECU unit to the indicator lamp, the loudspeaker and the instrument; the engine ECU unit receives the control signal, the clutch signal, the brake signal, the exhaust brake signal and the accelerator signal of the first micro-processing module, analyzes the signals, controls the vehicle speed according to the control requirement under the condition of meeting the preset constant-speed cruise, and simultaneously sends the real-time cruise working state and fault information to the second micro-processing module through the CAN bus; and the third micro-processing module receives the information around the vehicle body detected by the radar detector and sends the information around the vehicle body to the engine ECU unit.

2. The artificial intelligence cruise control system for large buses according to claim 1, characterized in that: the cruise switch is provided with a closing gear, an accelerating gear and a decelerating gear, and the control signal comprises a closing signal, an accelerating signal and a decelerating signal.

3. The artificial intelligence cruise control system for large buses according to claim 1, characterized in that: the engine ECU unit is connected with a vehicle body shaking signal, the vehicle body shaking signal is connected with a vibration sensor, and the vehicle body shaking signal sends the vehicle body shaking signal detected by the vibration sensor in real time to the engine ECU unit.

4. The artificial intelligence cruise control system for large buses according to claim 1, characterized in that: the information around the vehicle body detected by the radar detector comprises a front vehicle distance signal, a front vehicle direction signal, a relative speed signal and a surrounding vehicle number signal, the front vehicle distance signal is the distance between the vehicle and a front vehicle, the front vehicle direction signal is the lane where the front vehicle is located, the relative speed signal is the relative speed between the front vehicle and the vehicle, the surrounding vehicle number signal is the number of the vehicles around the vehicle, and the radar detector converts the detected information around the vehicle body into an electric signal which can be processed by the third micro-processing module.

5. The artificial intelligence cruise control system for large buses according to claim 4, characterized in that: information still includes preceding vehicle model around the automobile body that radar detector detected, preceding vehicle model, just engine ECU unit connection has the brake distance's that is used for storing different vehicle models the brake distance and self vehicle the storage of brake distance.

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