CN202200846U - Position prompt system of automobile accelerator pedal - Google Patents

Abstract

The utility model provides a position prompting system for an automobile accelerator pedal, belonging to the field of automobile technology. It solves the problem in the existing automobile technology field that the display module is used to remind the driver to shift gears and accelerate and decelerate, but the prompting effect is poor, which affects the driving comfort. The position prompting system for the automobile accelerator pedal includes a position sensor and a hydraulic drive mechanism arranged between the accelerator pedal and the vehicle body. The position sensor and the hydraulic drive mechanism are respectively connected to the ECU. The position sensor can detect the position of the accelerator pedal and send a position signal to the ECU. The ECU can receive the position signal and determine whether the accelerator pedal is located in the economic zone. When the accelerator pedal is located in the economic zone, the ECU sends a signal to control the hydraulic drive mechanism to increase or decrease the return force of the accelerator pedal. The position prompting system for the automobile accelerator pedal reminds the driver that the position of the accelerator pedal has entered the economic zone by changing the return force of the accelerator pedal, so that the driver can grasp the position of the accelerator pedal more easily.

Description

A Position Prompt System of Accelerator Pedal of Automobile

technical field

The utility model belongs to the technical field of automobiles, and relates to an automobile accelerator pedal device, in particular to a position prompting system of an automobile accelerator pedal.

Background technique

With the development of the automobile industry, the performance of automobiles has been continuously improved, and the driving system and on-board equipment have become more humanized. In order to meet consumers' requirements for automobile performance, those skilled in the art continuously improve various technologies of automobiles. Among them, due to the continuous rise of energy prices, more and more people pay attention to the energy saving and fuel saving of automobiles. During the driving process of the car, when the accelerator opening is within a certain position range, the car is most fuel-efficient, and the position corresponding to the accelerator pedal is called the economic zone of the accelerator pedal. By operating the accelerator pedal reasonably, the driver can make the accelerator pedal located in the economic zone, thereby saving fuel. However, most drivers cannot accurately grasp this skill, and the reminder through the electronic system can enable the driver to grasp the best timing for shifting gears and stepping on the accelerator to achieve the purpose of reducing fuel consumption.

For example, the Chinese patent [Patent No. 201020171510.2; Authorized Announcement No. CN201646716U] discloses an intelligent reminder device for the economical gear and economical speed range of a diesel vehicle, including a controller and a display module. The controller obtains engine and vehicle information through the CAN bus , automatically identify the load state of the vehicle, and calculate the current gear under the current load, judge whether the gear is the most economical gear in the current speed range by looking up the table, whether the current speed is the most economical speed in the current gear, and The display module automatically reminds the most reasonable gear in the current state and the economical speed area in the current gear; the controller stores the torque of each gear at the same speed under full load and no load, as well as each load and each gear The constant velocity fuel consumption curve under the position.

The above-mentioned intelligent reminder device for the economical gear position and the economical speed section of the diesel vehicle can prompt the driver to shift gears and adjust the vehicle speed through the display module. And the road conditions in the rearview mirror, through the display module to remind the driver to shift gears and accelerate and decelerate the effect is not good, affecting driving comfort.

Contents of the invention

The purpose of this utility model is to solve the above-mentioned problems in the existing technology, and propose a position prompting system for the accelerator pedal of an automobile. The technical problem to be solved by this device is to enable the accelerator The return force of the pedal prompts the driver.

The purpose of this utility model can be achieved through the following technical solutions: a position prompting system for an automobile accelerator pedal, the system includes a position sensor arranged between the accelerator pedal and the car body for detecting the position of the accelerator pedal and for increasing or A hydraulic drive mechanism for reducing the return force of the accelerator pedal, the position sensor and the hydraulic drive mechanism are respectively connected with the ECU.

The accelerator pedal position prompting system of the automobile is used to remind the driver whether the accelerator pedal has entered the economic zone, so that the driver can control the position of the accelerator pedal so that the accelerator pedal can be located within the economic zone as much as possible, so as to save fuel. The working principle of this system is: the position sensor detects the position of the accelerator pedal in real time and sends a position signal to the ECU, and the ECU receives the position signal and judges whether the accelerator pedal is located in the economic zone; Send a control signal to the hydraulic drive mechanism, and the return force of the accelerator pedal is a normal value; when the position of the accelerator pedal is in the economic zone, the ECU sends a control signal to the hydraulic drive mechanism, and the driving force of the hydraulic drive mechanism acts on the accelerator pedal. The return force of the accelerator pedal is greater or smaller than the normal value, and the driver determines whether the accelerator pedal has entered the economic zone by sensing the change of the return force of the accelerator pedal.

In the above-mentioned position prompting system of the accelerator pedal of an automobile, the hydraulic drive mechanism includes an oil cylinder, a solenoid valve and an oil passage, the piston rod of the oil cylinder is connected with the accelerator pedal, and the solenoid valve can receive the signal sent by the ECU. Control the signal and change the flow of hydraulic oil in the oil pipeline. After the solenoid valve receives the control signal from the ECU, the valve core opens, the oil supply pipeline supplies oil to the oil cylinder, the pressure in the rodless chamber of the oil cylinder increases, and the piston rod exerts force on the accelerator pedal, increasing the return force of the accelerator pedal .

In the above-mentioned system for prompting the position of the accelerator pedal of an automobile, an instrument panel is arranged on the console of the automobile, and the ECU can control the instrument panel to indicate the position of the accelerator pedal.

In the above-mentioned automobile accelerator pedal position prompting system, the position of the accelerator pedal economic zone is marked on the instrument panel.

The driver can intuitively determine the position of the accelerator pedal and whether the accelerator pedal is in the economy zone through the readout displayed on the instrument cluster.

In the above-mentioned system for prompting the position of the accelerator pedal of an automobile, the position sensor is an angular displacement sensor. The angular displacement sensor is connected with the rotating shaft of the accelerator pedal and can accurately detect the position of the accelerator pedal.

Compared with the prior art, the advantages of the position prompting system of the automobile accelerator pedal are:

1. The position prompting system of the accelerator pedal of the automobile reminds the driver that the position of the accelerator pedal has entered the economic zone by changing the return force of the accelerator pedal. The driver can more easily grasp the position of the accelerator pedal. affect the driving comfort of the driver.

2. The accelerator pedal position prompt system of the automobile has an instrument panel capable of indicating the position of the accelerator pedal, so that the driver can intuitively determine the position of the accelerator pedal.

3. The position prompting system of the accelerator pedal of the automobile adopts an angular displacement sensor to detect the position of the accelerator pedal, and the accuracy is high.

Description of drawings

Fig. 1 is a schematic diagram of the connection relationship of the accelerator pedal position prompting system of the automobile.

Detailed ways

The following are specific embodiments of the utility model and in conjunction with the accompanying drawings, the technical solution of the utility model is further described, but the utility model is not limited to these embodiments.

The position prompting system of the accelerator pedal of the automobile comprises a hydraulic drive mechanism, a position sensor, an ECU and an instrument panel. This system is used to prompt the driver whether the accelerator pedal is located in the economic zone, so that the driver can control the position of the accelerator pedal, so that the accelerator pedal can be located in the economic zone as much as possible, so as to save fuel.

Specifically, as shown in Figure 1, the position sensor and the hydraulic drive mechanism are arranged between the accelerator pedal and the vehicle body, and the position sensor and the hydraulic drive mechanism are respectively connected to the ECU. In this embodiment, the position sensor is an angular displacement sensor, and the angular displacement sensor is connected to the rotation shaft of the accelerator pedal, and the signal output end of the angular displacement sensor is connected to the signal input end of the ECU. The angular displacement sensor can accurately detect the position of the accelerator pedal and transmit the position signal to the ECU. After the ECU receives the position signal, it compares the position signal with the parameter of the economic zone of the accelerator pedal recorded in the memory in advance, and judges whether the accelerator pedal is within the range of the economic zone. The parameters of the accelerator pedal economic zone are measured and entered into the memory of the ECU according to the parameters of the engine and the vehicle itself during the production and testing of the vehicle.

In this embodiment, the hydraulic drive mechanism includes an oil cylinder, an electromagnetic valve and an oil pipeline, the piston rod of the oil cylinder is connected with the accelerator pedal, the signal input end of the electromagnetic valve is connected with the signal output end of the ECU, and the electromagnetic valve receives the control signal sent by the ECU. Finally, the spool opens, the flow in the oil supply pipeline increases, the pressure in the rodless chamber of the oil cylinder increases, and the piston rod exerts force on the accelerator pedal to increase the return force of the accelerator pedal. In the actual production and assembly process, it is also possible to send a control signal to the solenoid valve through the ECU to reduce the pressure in the rodless chamber of the oil cylinder, so that the return force of the accelerator pedal is reduced, which plays a role in reminding the driver.

The car console is provided with an instrument panel, the position of the economic zone of the accelerator pedal is marked on the instrument panel, and the ECU can control the instrument panel to indicate the position of the accelerator pedal. The driver can intuitively determine the position of the accelerator pedal through the degrees displayed on the instrument panel, and judge whether the accelerator pedal is in the economic zone.

The working principle of this system is: the position sensor detects the position of the accelerator pedal in real time and sends a position signal to the ECU, and the ECU receives the position signal and judges whether the accelerator pedal is located in the economic zone; Send a control signal to the solenoid valve, and the return force of the accelerator pedal is a normal value; when the position of the accelerator pedal is in the economic zone, the ECU sends a control signal to the solenoid valve, and the solenoid valve controls the flow of oil in the oil supply pipeline, so that the oil cylinder When the pressure increases, the piston rod of the oil cylinder acts on the accelerator pedal, so that the return force of the accelerator pedal is greater than the normal value. The driver can determine whether the accelerator pedal has entered the economic zone by sensing the change of the return force of the accelerator pedal.

The specific embodiments described herein are only examples to illustrate the spirit of the present invention. Those skilled in the technical field to which the utility model belongs can make various modifications or supplements to the described specific embodiments or adopt similar methods to replace them, but they will not deviate from the spirit of the utility model or go beyond the appended claims defined range.

Although terms such as accelerator pedal, hydraulic drive mechanism, position sensor, ECU, and instrument panel are frequently used in this paper, the possibility of using other terms is not excluded. These terms are only used to describe and explain the essence of the utility model more conveniently; interpreting them as any kind of additional limitation is contrary to the spirit of the utility model.

Claims (5)

1. A position prompting system for an automobile accelerator pedal, characterized in that the system includes a position sensor arranged between the accelerator pedal and the car body for detecting the position of the accelerator pedal and for increasing or decreasing the return force of the accelerator pedal The hydraulic drive mechanism, the position sensor and the hydraulic drive mechanism are respectively connected with the ECU. 2. The position prompting system of the automobile accelerator pedal according to claim 1, wherein the hydraulic drive mechanism comprises an oil cylinder, a solenoid valve and an oil passage, the piston rod of the oil cylinder is connected with the accelerator pedal, and the The solenoid valve described above can receive the control signal sent by the ECU and change the flow of hydraulic oil in the oil passage. 3. The position prompting system of the automobile accelerator pedal according to claim 1 or 2, wherein the automobile console is provided with an instrument panel, and the ECU can control the instrument panel to indicate the position of the accelerator pedal. 4. The position prompting system of an automobile accelerator pedal according to claim 3, characterized in that, the position of the accelerator pedal economic zone is marked on the said instrument panel. 5. The position prompting system of an automobile accelerator pedal according to claim 1 or 2, wherein said position sensor is an angular displacement sensor.