CN201437331U - A speed-increasing anti-collision system for a motor vehicle - Google Patents

Abstract

The utility model discloses a speed-increasing anti-collision system for a motor vehicle, which comprises an electronic control unit, an electric control system connected with the electronic control unit and providing the speed parameter of the throttle operation and the working state parameter of the motor vehicle to the electronic control unit, and an oil supply system. control system; the fuel supply control system includes a fuel supply control device and an electromagnetic relay, the electromagnetic relay is arranged between the electronic control unit and the fuel supply control device, and is connected to the electronic control unit and the fuel supply control device; The fuel supply control system is connected to the electronic control system, and the fuel supply control parameters are transmitted to the electronic control unit through the electronic control system. Adopting the technical scheme of the utility model, by setting up the oil supply control system in the oil supply line of the motor vehicle, when the speed parameter of the accelerator operation is too high, the engine is supplied with limited oil for a period of time, thereby reducing the engine running speed and improving the driving speed. Safety.

Description

A speed-increasing anti-collision system for a motor vehicle

technical field

The utility model relates to the technical field of internal combustion engines, in particular to a speed-increasing anti-collision system for a motor vehicle.

Background technique

At present, as an indispensable means of transportation, motor vehicles have brought great convenience to people's daily work and life, but road traffic accidents are also increasing year by year, which brings great harm to people's lives and property safety Great harm. According to statistics, in various traffic accidents, the driver's error is the main cause of traffic accidents: when the driver of an automatic transmission car is inadvertent, the operation of mistaking the accelerator as a brake is an important one in the traffic accidents involved in automatic transmission vehicles. reason.

Therefore, the automobile manufacturing circle tries to utilize various technical means to improve the safety performance of automatic transmission automobile driving. At present, a kind of commonly used method is to install the anti-collision alarm radar in each direction of the front, rear, left, and right sides of the car. The principle of this technology is mainly to use ultrasonic or millimeter wave ranging technology, through the host computer to perform high-speed amplification calculation on the echo, accurately detect the distance of obstacles in all directions of the vehicle, and inform the driver through prompt functions such as sound, digital display and liquid crystal image. Then through the driver's operation of the vehicle, so as to avoid danger.

However, from the analysis of its technical disadvantages, the automobile collision avoidance technology realized by the ranging radar has at least the following defects:

First of all, the effective range of anti-collision warning radar hazard prevention is very limited. The range-measuring anti-collision warning radar can only detect possible dangers around the vehicle, but cannot judge the danger caused by the driver's improper operation such as "the driver mistakenly regards the accelerator as a brake".

In addition, from the perspective of the vehicle driver, the main problem is whether the driver can handle the alarm and the alarm when the vehicle is moving in time. If the alarm is not detected or processed in time, traffic accidents will still occur.

Furthermore, from the perspective of the technical defects of the anti-collision warning radar itself, due to the influence of the radar system's own transmitting and receiving probes, when debris is deposited on their surfaces, its accuracy will be greatly affected.

Utility model content

Based on the above defects in the prior art, the technical problem to be solved by this utility model is to provide a motor vehicle speed increase anti-collision system. During this time, the engine is supplied with limited fuel for a period of time, thereby reducing the engine speed and improving driving safety.

In order to solve the above technical problems, the embodiment of the utility model provides a motor vehicle speed increase anti-collision system, including an electronic control unit, which is connected to the electronic control unit and provides the speed parameter of the throttle operation and the working state of the motor vehicle to the electronic control unit Parameter electronic control system and oil supply control system;

The fuel supply control system is connected to the electronic control unit through a circuit, and the instructions issued by the electronic control unit are transmitted to the fuel supply control system through the circuit;

The fuel supply control system is connected with the electronic control system, and transmits fuel supply control parameters to the electronic control unit through the electronic control system.

Furthermore, the speed-increasing anti-collision system for a motor vehicle provided by the embodiment of the present invention also includes part or all of the following technical features:

The oil supply control system includes an oil supply control device and an electromagnetic relay;

The electromagnetic relay is arranged between the electronic control unit and the fuel supply control device, and is connected to the electronic control unit and the fuel supply control device.

The electronic control system includes a rotational speed sensor, a clutch sensor, an accelerator switch sensor and a fuel supply control device sensor;

The rotational speed sensor is connected with the engine of the motor vehicle, and transmits the acquired engine rotation information to the electronic control unit connected thereto;

The clutch sensor is installed on the clutch of the motor vehicle and connected, and transmits the obtained clutch working state information to the electronic control unit connected thereto;

The accelerator switch sensor is installed on the accelerator switch of the motor vehicle, and transmits the acquired speed parameter of the accelerator operation to the electronic control unit connected thereto;

The fuel supply control device sensor is connected with the fuel supply control device, and transmits the acquired parameters of the fuel supply control device to the electronic control unit connected thereto.

The oil supply control device has a built-in spool and an oil circuit, and a return spring is connected to the spool, and the apertures of the oil circuits are different in size;

A coil is sheathed on the oil supply control device, and the coil moves the valve core to switch the aperture of the oil passage under the power supply state.

The electronic control unit is provided with a voltage output terminal, and the electromagnetic relay is arranged between the electronic control unit and the fuel supply control device, and is connected to the voltage output terminal and the fuel supply control device.

Preferably, the output voltage of the voltage output terminal is 5V.

Furthermore, the motor vehicle speed-increasing collision avoidance system provided by the embodiment of the utility model is also provided with a switching power supply, which is connected to the electronic control system and provides a regulated power supply for the electronic control system.

Preferably, in order to facilitate the driver to choose to start or stop the motor vehicle speed-increasing anti-collision system of the present invention, a system start-stop switch is arranged between the switching power supply and the vehicle's on-board battery power supply.

Adopting a motor vehicle speed-up and anti-collision system provided by the embodiment of the utility model has the following beneficial effects:

In the motor vehicle speed-increasing anti-collision system of the utility model, by setting the fuel supply control system in the motor vehicle fuel supply line, when the speed parameter of the throttle operation is too high, the fuel supply control device in the fuel supply control system controls the engine for a period of time. The limited oil supply reduces the running speed of the engine, effectively avoids the danger that may occur when the driver mistakenly uses the accelerator as the brake, and improves driving safety.

In addition, since the motor vehicle speed-increasing anti-collision system of the present utility model has a simple structure and does not modify the motor vehicle engine itself, it is convenient to install the motor vehicle speed-increasing anti-collision system of the present utility model on the motor vehicle, and only a few components need to be added It can be widely used in various configurations of motor vehicles with minor changes; and the driver can conveniently choose to start or stop the speed-increasing anti-collision system for motor vehicles of the present invention through the start-stop switch of the operating system.

Description of drawings

Fig. 1 is a schematic structural view of Embodiment 1 of a speed-increasing anti-collision system for a motor vehicle of the present invention;

Fig. 2 is a structural schematic diagram of Embodiment 2 of a speed-increasing anti-collision system for a motor vehicle of the present invention;

Fig. 3 is a schematic circuit diagram of Embodiment 2 of a speed-increasing anti-collision system for a motor vehicle of the present invention.

Detailed ways

In order to make the technical problems, technical solutions and beneficial effects to be solved by the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be pointed out that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

As shown in FIG. 1 , a motor vehicle speed-increasing collision avoidance system provided by Embodiment 1 of the utility model includes an electronic control unit 11 , a fuel supply control system 12 and an electric control system 13 .

Wherein, the electronic control system 13 is connected with the electronic control unit 11 and provides the electronic control unit 11 with speed parameters of accelerator operation and motor vehicle working state parameters. The speed parameter of the throttle operation refers to the speed parameter of the driver's throttle operation, and the motor vehicle working state parameter can show whether the car is in a normal working state, including the rotation information of the motor vehicle engine and the working state information of the motor vehicle clutch, the clutch working state The information refers to whether the clutch is closed or not.

The oil supply control system 12 is connected with the electronic control system 13, and transmits the oil supply control parameters to the electronic control unit 11 through the electronic control system. The information obtained by the electronic control system 13 includes the speed parameters of the throttle operation, the working state parameters of the motor vehicle and the working state information of the oil supply control system 12, and then the electronic control system 13 transmits the above information obtained to the electronic control unit 11, and the electronic control unit 11 Analyzing and processing the above information, and generating an instruction, which includes starting the oil supply control system 12 to supply fuel to the vehicle engine in a limited amount or to maintain normal fuel supply. The instruction of limiting fuel supply or maintaining normal fuel supply is obtained by comparing the throttle operation speed parameter acquired by the electronic control system 13 with the preset parameter in the electronic control unit 11. When the throttle operation speed parameter is higher than the preset parameter, The electronic control unit 11 issues a limited fuel supply command; when the throttle operation speed parameter is not higher than the preset parameter, the electronic control unit 11 sends a normal fuel supply command.

The fuel supply control system 12 is connected to the electronic control unit 11 through a circuit, and the command issued by the electronic control unit 11 is transmitted to the fuel supply control system through the circuit. When the electronic control unit 11 generates a limited fuel supply command, the fuel supply control system 12 obtains it through the circuit After this command, perform oil supply limit operation.

Adopting the motor vehicle speed-increasing anti-collision system of the first embodiment of the utility model, by setting the fuel supply control system in the motor vehicle fuel supply circuit, when the speed parameter of the throttle operation is too high, the fuel supply control device in the fuel supply control system will The engine performs limited oil supply for a period of time, thereby reducing the engine running speed, effectively avoiding the danger that may occur when the driver mistakenly uses the accelerator as the brake, and improving driving safety.

As shown in Figure 2, Embodiment 2 of the present utility model provides a motor vehicle speed-increasing anti-collision system, and its oil supply control system 22 is composed of an oil supply control device 222 and an electromagnetic relay 221, and the electromagnetic relay 221 is arranged on the electronic control unit 21 Between the fuel supply control device 222, the electronic control unit 21 and the fuel supply control device 222 are connected. In addition, the electromagnetic relay 221 sets a limit to the delay time of each operation of the fuel supply control device 222.

The electronic control system 23 includes a rotational speed sensor 231, a clutch sensor 232, an accelerator switch sensor 233 and a fuel supply control device sensor 234; They are respectively connected to the electronic control unit 21 and transmit the acquired data parameters to the electronic control unit 21 .

As shown in Figure 3, the rotational speed sensor 231 is connected with the engine 26 of the motor vehicle, and the engine rotation information obtained is transmitted to the electronic control unit 21 connected thereto; the clutch sensor 232 is installed in the clutch 25 of the motor vehicle and is connected, and the acquired The clutch working state information is transmitted to the electronic control unit 21 connected thereto. The engine rotation information can indicate whether the engine 26 is in a normal running state, while the clutch working state information refers to whether the clutch is in a closed state; whether the engine 26 is in a normal running state. In the specific work process, the electronic control unit 21 comprehensively analyzes the rotation information of the engine obtained by the speed sensor 231 and the clutch working state information obtained by the clutch sensor 232. , the motor vehicle speed-increasing anti-collision system of the utility model embodiment can be started normally, otherwise, the system is in a failure state and does not work.

The accelerator switch sensor 233 is installed on the accelerator switch 29 of the motor vehicle, and transmits the speed parameter of the accelerator operation obtained to the electronic control unit 21 connected thereto. The speed parameter of the operation. In specific work, the electronic control unit 21 judges whether to open the fuel supply control device by comparing the speed parameter of the accelerator operation with the preset parameter of the electronic control unit 21 according to the speed parameter of the throttle operation acquired by the throttle switch sensor 233, and generates an action Instructions, the generated instructions include starting the fuel supply control device 222 to supply fuel to the vehicle engine in a limited amount or to maintain normal fuel supply. When the speed parameter of the accelerator operation is higher than the preset parameter, the electronic control unit 21 sends a limited oil supply command; when the speed parameter of the throttle operation is not higher than the preset parameter, the electronic control unit 21 sends a normal fuel supply command.

The fuel supply control device sensor 234 is connected with the fuel supply control device 222, and transmits the acquired parameters of the fuel supply control device to the electronic control unit 21 connected thereto. The fuel supply control device parameters represent the working conditions of the fuel supply control device 222. In addition The parameters of the fuel supply control device fed back by the fuel supply control device sensor 234 can also provide the electronic control unit 21 to calculate the time to start the motor vehicle speed increase collision avoidance system according to the embodiment of the utility model.

During specific implementation, the oil supply control device 222 can realize limited oil supply to the motor vehicle by adjusting the oil supply amount or switching oil supply paths with different apertures. In the second embodiment of the utility model, the oil supply control device 222 has a built-in valve core and an oil circuit, and a return spring is connected to the valve core. Down to move the spool to switch the hole diameter of the oil passage.

The electronic control unit 21 is provided with a voltage output terminal, and the electromagnetic relay 221 is arranged between the electronic control unit and the fuel supply control device, and is connected to the voltage output terminal and the fuel supply control device 222 . In the second embodiment of the present utility model, the output voltage of the voltage output terminal is 5V.

In the specific working process, when the electronic control unit 21 determines to generate a limited fuel supply command, the electronic control unit 21 outputs a 5V voltage through the voltage output terminal to energize the electromagnetic relay, thereby connecting the fuel supply control device 222, and controlling the fuel supply. The coil on the device 222 supplies power to move the built-in spool of the oil supply control device 222 to a position, switch the oil path aperture to a smaller aperture, and realize limited oil supply to the engine 26, thereby reducing the speed of the engine 26. The maintenance time of the output voltage of the voltage output terminal on the electronic control unit 21 is preset by the system.

When the electronic control unit 21 judges to generate a normal fuel supply command, the electronic control unit 21 will not or stop outputting 5V voltage from its voltage output terminal, the electromagnetic relay 221 will be powered off, and the power supply to the coil on the fuel supply control device 222 will be stopped. The coil on the oil control device 222 cannot exert force on the spool. In this case, if the speed-up and anti-collision system is in the state of limited oil supply, the built-in spool of the oil supply control device 222 will move one position under the action of the return spring. position, switch the aperture of the oil path to the larger aperture, and the gasoline will be supplied to the engine 26 normally through the fuel injector 24 through the larger aperture oil path, so that the speed of the engine 26 returns to the normal control state; When the system was in normal oil supply, the built-in spool position of the oil supply control device 222 remained unchanged, and the aperture of the oil circuit was still at a larger aperture, so as to maintain the normal oil supply to the engine 26.

The second embodiment of the utility model provides a speed-increasing anti-collision system for a motor vehicle that is also provided with a switching power supply 27, which is connected to each sensor in the electronic control system 23 and provides a stabilized power supply for each sensor. In addition, in order to facilitate the driver to choose to start or stop the motor vehicle speed-up collision avoidance system according to the embodiment of the utility model, a system start-stop switch 28 is arranged between the switching power supply 27 and the on-board battery power supply of the vehicle.

The above description is only the specific implementation of the present utility model, and of course the scope of rights of the present utility model cannot be limited with this. , can also make some improvements and changes, and these improvements and changes are also regarded as the protection scope of the present utility model.

Claims (8)

1. self-propelled vehicle speed-raising collision avoidance system is characterized in that:

This system comprises electronic control unit, is connected with described electronic control unit and provides the speed parameter of throttle operation and electric-control system, the control of fuel supply system of self-propelled vehicle working status parameter to electronic control unit;

Described control of fuel supply system links to each other by circuit with described electronic control unit, and the instruction that described electronic control unit sends is sent to described control of fuel supply system by circuit;

Described control of fuel supply system links to each other with described electric-control system, and by described electric-control system the control of fuel supply parameter is sent to described electronic control unit.

2. self-propelled vehicle speed-raising collision avoidance system according to claim 1 is characterized in that:

Described control of fuel supply system comprises control of fuel supply device and electromagnetic relay;

Described electromagnetic relay is arranged between described electronic control unit and the control of fuel supply device, connects described electronic control unit and control of fuel supply device.

3. self-propelled vehicle speed-raising collision avoidance system according to claim 2 is characterized in that:

Described electric-control system comprises tachogen, clutch sensor, Oil Switch sensor and control of fuel supply device sensor;

Described tachogen links to each other with the driving engine of self-propelled vehicle, and the turn of engine information of obtaining is sent to coupled electronic control unit;

The power-transfer clutch that described clutch sensor is installed on self-propelled vehicle links to each other, and the power-transfer clutch work state information that obtains is sent to coupled electronic control unit;

Described Oil Switch sensor is installed on the Oil Switch of self-propelled vehicle, and the speed parameter of the throttle operation that obtains is sent to coupled electronic control unit;

Described control of fuel supply device sensor links to each other with the control of fuel supply device, and the control of fuel supply device parameter that obtains is sent to coupled electronic control unit.

4. according to claim 2 or 3 described self-propelled vehicle speed-raising collision avoidance system, it is characterized in that:

Described control of fuel supply device is built-in with spool and oil circuit, is connected with a returning spring on the described spool, described oil circuit pore size difference;

Be with coil on the described control of fuel supply device, described coil makes described spool move to switch described oil circuit aperture under power supply state.

5. according to claim 2 or 3 described self-propelled vehicle speed-raising collision avoidance system, it is characterized in that:

Described electronic control unit is provided with a voltage output end, and described electromagnetic relay is arranged between described electronic control unit and the control of fuel supply device, connects described voltage output end and control of fuel supply device.

6. self-propelled vehicle speed-raising collision avoidance system according to claim 5, it is characterized in that: the output voltage of described voltage output end is 5V.

7. self-propelled vehicle speed-raising collision avoidance system according to claim 1 is characterized in that:

This system also is provided with Switching Power Supply, and described Switching Power Supply links to each other with described electric-control system, and provides constant voltage power suspply for electric-control system.

8. self-propelled vehicle speed-raising collision avoidance system according to claim 7 is characterized in that: be provided with system's start stop switch between the Vehicular accumulator cell power supply of described Switching Power Supply and automobile.

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