阅读说明：本技术 可调式最高车速限制系统 (Adjustable maximum vehicle speed limiting system ) 是由 季敏 王少黎 金锋 周团结 梁玉娇 李雁斌 于 2019-10-16 设计创作，主要内容包括：本发明公开了可调式最高车速限制系统,包括车速监控单元、最高限速单元、控制器、显示单元、存储器、功能激活开关、微调单元和数据解析单元；所述车速监控单元用于监控客车的实时速度,并将实时速度传输到控制器,所述控制器接收车速监控单元传输的实时速度并将其传输到显示单元进行实时显示；在不同限速路段实现最大车速的切换调整功能,并且能够智能分析和计算得到当前较为适宜的最高限速,之后通过增速按钮和减速按钮,可实现最高限速的调节,得到适合的最高限速；最终可减少超速可能并减轻司机的劳动强度,提升客户满意度；可调式最高车速限制系统,结构及控制逻辑简单,成本增加可忽略。(The invention discloses an adjustable maximum speed limiting system, which comprises a speed monitoring unit, a maximum speed limiting unit, a controller, a display unit, a memory, a function activation switch, a fine adjustment unit and a data analysis unit, wherein the speed monitoring unit is used for monitoring the maximum speed of a vehicle; the vehicle speed monitoring unit is used for monitoring the real-time speed of the passenger vehicle and transmitting the real-time speed to the controller, and the controller receives the real-time speed transmitted by the vehicle speed monitoring unit and transmits the real-time speed to the display unit for real-time display; the switching and adjusting function of the maximum speed is realized on different speed-limiting road sections, the current suitable maximum speed limit can be obtained through intelligent analysis and calculation, and then the adjustment of the maximum speed limit can be realized through an acceleration button and a deceleration button, so that the suitable maximum speed limit is obtained; the possibility of overspeed can be reduced, the labor intensity of a driver is reduced, and the customer satisfaction is improved; the adjustable maximum speed limiting system has simple structure and control logic and negligible cost increase.)

1. The adjustable maximum speed limiting system is characterized by comprising a speed monitoring unit, a maximum speed limiting unit, a controller, a display unit, a memory, a function activation switch, a fine adjustment unit and a data analysis unit;

the vehicle speed monitoring unit is used for monitoring the real-time speed of the passenger vehicle and transmitting the real-time speed to the controller, and the controller receives the real-time speed transmitted by the vehicle speed monitoring unit and transmits the real-time speed to the display unit for real-time display;

the fine adjustment unit comprises a speed increasing button and a speed reducing button, and the function activating switch, the speed increasing button and the speed reducing button are all arranged in a driving instrument area of the passenger car; the controller is used for combining the function activation switch, the speed increasing button and the speed reducing button to carry out speed limiting operation, and the specific operation process is as follows:

the method comprises the following steps: from the beginning, every preset time T1, a specific T1 value can be 10S; acquiring a primary real-time speed, acquiring a real-time speed information group, and marking the real-time speed information group as Vi, i is 1.. n;

step two: when the driver presses the function activation switch, a cut-off signal is automatically input to the controller;

step three: the controller carries out speed selection analysis when receiving a speed stopping signal transmitted by the function activation switch, and the specific analysis steps are as follows:

s1: firstly, acquiring real-time speed when a cut-off speed signal is generated, and marking the real-time speed as cut-off speed information Vj;

s2: acquiring X1 real-time speeds before the cut-off speed information Vj and X1 real-time speeds after the cut-off speed information Vj, and marking the selected real-time speeds and the cut-off speed information Vj as a selected speed information group Hi, i is 1.. 2X1+ 1;

s3: calculating the mean value of the selected speed information group, and marking the mean value as Gv;

s4: the stable value Q of the selected speed information group is obtained by a formula,

s5: when Q is less than or equal to X2, marking the mean value Gv as the highest speed limit; otherwise, go to step S6;

s6: deleting the earliest real-time speed from the X1 real-time speeds before the speed stopping information Vj, wherein the earliest real-time speed is defined as the initial real-time speed in time; from the X1 real-time velocities after the cut-off information, the latest real-time velocity is deleted, that is, the latest real-time velocity in terms of time;

s7: combining the real-time speed left after deletion with cut-off speed information Vj to form a selected speed information group of the information; repeating steps S3-S4 until Q is less than or equal to X2;

s8: marking the mean value of the corresponding selected speed information group as the highest speed limit;

step four: the highest speed limit is transmitted to the controller, and the controller transmits the highest speed limit to the display unit for real-time display;

step five: when the driver is not satisfied with the current highest speed limit, the driver adjusts the speed limit by means of the speed-up button and the speed-down button to obtain an updated highest speed limit;

the controller is used for transmitting the updated highest speed limit to the display unit, the highest speed limit unit and the memory.

2. The adjustable maximum vehicle speed limiting system of claim 1, wherein the specific adjustment method for adjusting the maximum speed limit to update the maximum speed limit is:

SS 1: after the controller transmits the highest speed limit to the display unit, automatically entering a countdown period, wherein the duration of the countdown period is preset time T2; the countdown time period is a time period for automatically counting down T2 time after the controller transmits the highest speed limit to the display unit;

SS 2: during the countdown period:

when a driver presses the speed-increasing button once, the highest speed limit is added with a preset value X2 on the basis of the original highest speed limit to obtain a new highest speed limit;

when the driver presses down the speed reduction button, the highest speed limit is reduced by a preset value X2 on the basis of the original highest speed limit to obtain a new highest speed limit;

SS 3: the highest speed limit is obtained and marked as the updated highest speed limit.

3. The adjustable maximum speed limiting system of claim 1, wherein the maximum speed limiting unit receives the updated maximum speed limit transmitted by the controller and automatically controls the maximum speed of the passenger vehicle.

4. The adjustable maximum vehicle speed limiting system of claim 1, wherein the display unit receives the updated maximum speed limit transmitted by the controller and displays the updated maximum speed limit in real time; and the memory receives the updated highest speed limit transmitted by the controller and stores the updated highest speed limit in real time.

Technical Field

The invention belongs to the field of passenger car speed limitation, and relates to a maximum car speed adjustable technology, in particular to an adjustable maximum car speed limiting system.

Background

At present, the standard of passenger vehicles requires that the maximum vehicle speed is less than or equal to 100km/h, China has wide breadth, and a road network is extremely developed and various. In many road sections, different maximum vehicle speed limits are applied to branch sections according to local conditions, however, the speed limit is changed too frequently, so that a driver cannot adjust the maximum vehicle speed in time, and overspeed conditions are caused frequently. Therefore, many customers want the host factory to develop an adjustable maximum speed limiting system, and can automatically adjust the maximum speed according to the actual road conditions.

To solve the above-mentioned drawbacks, a solution is now provided.

Disclosure of Invention

The invention aims to provide an adjustable maximum vehicle speed limiting system.

The purpose of the invention can be realized by the following technical scheme:

the adjustable maximum vehicle speed limiting system comprises a vehicle speed monitoring unit, a maximum speed limiting unit, a controller, a display unit, a memory, a function activation switch, a fine adjustment unit and a data analysis unit;

the vehicle speed monitoring unit is used for monitoring the real-time speed of the passenger vehicle and transmitting the real-time speed to the controller, and the controller receives the real-time speed transmitted by the vehicle speed monitoring unit and transmits the real-time speed to the display unit for real-time display;

the fine adjustment unit comprises a speed increasing button and a speed reducing button, and the function activating switch, the speed increasing button and the speed reducing button are all arranged in a driving instrument area of the passenger car; the controller is used for combining the function activation switch, the speed increasing button and the speed reducing button to carry out speed limiting operation, and the specific operation process is as follows:

the method comprises the following steps: from the beginning, every preset time T1, a specific T1 value can be 10S; acquiring a primary real-time speed, acquiring a real-time speed information group, and marking the real-time speed information group as Vi, i is 1.. n;

step two: when the driver presses the function activation switch, a cut-off signal is automatically input to the controller;

step three: the controller carries out speed selection analysis when receiving a speed stopping signal transmitted by the function activation switch, and the specific analysis steps are as follows:

s1: firstly, acquiring real-time speed when a cut-off speed signal is generated, and marking the real-time speed as cut-off speed information Vj;

s2: acquiring X1 real-time speeds before the cut-off speed information Vj and X1 real-time speeds after the cut-off speed information Vj, and marking the selected real-time speeds and the cut-off speed information Vj as a selected speed information group Hi, i is 1.. 2X1+ 1;

s3: calculating the mean value of the selected speed information group, and marking the mean value as Gv;

s4: the stable value Q of the selected speed information group is obtained by a formula,

s5: when Q is less than or equal to X2, marking the mean value Gv as the highest speed limit; otherwise, go to step S6;

s6: deleting the earliest real-time speed from the X1 real-time speeds before the speed stopping information Vj, wherein the earliest real-time speed is defined as the initial real-time speed in time; from the X1 real-time velocities after the cut-off information, the latest real-time velocity is deleted, that is, the latest real-time velocity in terms of time;

s7: combining the real-time speed left after deletion with cut-off speed information Vj to form a selected speed information group of the information; repeating steps S3-S4 until Q is less than or equal to X2;

s8: marking the mean value of the corresponding selected speed information group as the highest speed limit;

step four: the highest speed limit is transmitted to the controller, and the controller transmits the highest speed limit to the display unit for real-time display;

step five: when the driver is not satisfied with the current highest speed limit, the driver adjusts the speed limit by means of the speed-up button and the speed-down button to obtain an updated highest speed limit;

the controller is used for transmitting the updated highest speed limit to the display unit, the highest speed limit unit and the memory.

Further, the specific adjusting method for adjusting the highest speed limit to obtain the updated highest speed limit is as follows:

SS 1: after the controller transmits the highest speed limit to the display unit, automatically entering a countdown period, wherein the duration of the countdown period is preset time T2; the countdown time period is a time period for automatically counting down T2 time after the controller transmits the highest speed limit to the display unit;

SS 2: during the countdown period:

when a driver presses the speed-increasing button once, the highest speed limit is added with a preset value X2 on the basis of the original highest speed limit to obtain a new highest speed limit;

when the driver presses down the speed reduction button, the highest speed limit is reduced by a preset value X2 on the basis of the original highest speed limit to obtain a new highest speed limit;

SS 3: the highest speed limit is obtained and marked as the updated highest speed limit.

Further, the highest speed limit unit receives the updated highest speed limit transmitted by the controller and automatically controls the highest speed of the passenger car.

Further, the display unit receives the updated highest speed limit transmitted by the controller and displays the updated highest speed limit in real time; and the memory receives the updated highest speed limit transmitted by the controller and stores the updated highest speed limit in real time.

The invention has the beneficial effects that:

the invention adds a speed control requirement on the basis of the original control logic, the newly added speed limit requirement is triggered by additionally adding a manual control switch analog signal, and the manual development is arranged in an instrument area of a driving area, so that the operation of a driver is facilitated.

The switching and adjusting function of the maximum speed is realized on different speed-limiting road sections, the current suitable maximum speed limit can be obtained through intelligent analysis and calculation, and then the adjustment of the maximum speed limit can be realized through an acceleration button and a deceleration button, so that the suitable maximum speed limit is obtained; the possibility of overspeed can be reduced, the labor intensity of a driver is reduced, and the customer satisfaction is improved; the adjustable maximum speed limiting system has simple structure and control logic and negligible cost increase.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a block diagram of the system of the present invention.

Detailed Description

As shown in fig. 1, the adjustable maximum speed limiting system includes a speed monitoring unit, a maximum speed limiting unit, a controller, a display unit, a memory, a function activating switch, a fine tuning unit and a data analyzing unit;

the vehicle speed monitoring unit is used for monitoring the real-time speed of the passenger vehicle and transmitting the real-time speed to the controller, and the controller receives the real-time speed transmitted by the vehicle speed monitoring unit and transmits the real-time speed to the display unit for real-time display;

the fine adjustment unit comprises an acceleration button and a deceleration button, and the function activation switch, the acceleration button and the deceleration button are all arranged in a driving instrument area of the passenger car, so that the operation of a driver is facilitated; the controller is used for combining the function activation switch, the speed increasing button and the speed reducing button to carry out speed limiting operation, and the specific operation process is as follows:

the method comprises the following steps: from the beginning, every preset time T1, a specific T1 value can be 10S; acquiring a primary real-time speed, acquiring a real-time speed information group, and marking the real-time speed information group as Vi, i is 1.. n;

step two: when the driver presses the function activation switch, a cut-off signal is automatically input to the controller;

step three: the controller carries out speed selection analysis when receiving a speed stopping signal transmitted by the function activation switch, and the specific analysis steps are as follows:

s1: firstly, acquiring real-time speed when a cut-off speed signal is generated, and marking the real-time speed as cut-off speed information Vj;

s2: acquiring X1 real-time speeds before the cut-off speed information Vj and X1 real-time speeds after the cut-off speed information Vj, and marking the selected real-time speeds and the cut-off speed information Vj as a selected speed information group Hi, i is 1.. 2X1+ 1;

s3: calculating the mean value of the selected speed information group, and marking the mean value as Gv;

s4: the stable value Q of the selected speed information group is obtained by a formula,

s5: when Q is less than or equal to X2, marking the mean value Gv as the highest speed limit; otherwise, go to step S6;

s6: deleting the earliest real-time speed from the X1 real-time speeds before the speed stopping information Vj, wherein the earliest real-time speed is defined as the initial real-time speed in time; from the X1 real-time velocities after the cut-off information, the latest real-time velocity is deleted, that is, the latest real-time velocity in terms of time;

s7: combining the real-time speed left after deletion with cut-off speed information Vj to form a selected speed information group of the information; repeating steps S3-S4 until Q is less than or equal to X2;

s8: marking the mean value of the corresponding selected speed information group as the highest speed limit;

step four: the highest speed limit is transmitted to the controller, and the controller transmits the highest speed limit to the display unit for real-time display;

step five: when the driver is not satisfied with the current highest speed limit, the driver adjusts the speed limit by means of the speed increasing button and the speed reducing button, and the specific adjusting method comprises the following steps:

SS 1: after the controller transmits the highest speed limit to the display unit, automatically entering a countdown period, wherein the duration of the countdown period is preset time T2; the countdown time period is a time period for automatically counting down T2 time after the controller transmits the highest speed limit to the display unit;

SS 2: during the countdown period:

when a driver presses the speed-increasing button once, the highest speed limit is added with a preset value X2 on the basis of the original highest speed limit to obtain a new highest speed limit;

when the driver presses down the speed reduction button, the highest speed limit is reduced by a preset value X2 on the basis of the original highest speed limit to obtain a new highest speed limit;

SS 3: obtaining the highest speed limit and marking the highest speed limit as the updated highest speed limit;

the controller is used for transmitting the updated highest speed limit to the display unit, the highest speed limit unit and the memory;

the highest speed limit unit receives the updated highest speed limit transmitted by the controller and automatically controls the highest speed of the passenger car; the maximum speed limit of the whole automobile is realized through an engine electric control program, and the opening of the throttle valve is accurately controlled, so that the automobile runs according to the speed set by a driver.

The display unit receives the updated highest speed limit transmitted by the controller and displays the updated highest speed limit in real time; and the memory receives the updated highest speed limit transmitted by the controller and stores the updated highest speed limit in real time.

The invention adds a speed control requirement on the basis of the original control logic, the newly added speed limit requirement is triggered by additionally adding a manual control switch analog signal, and the manual development is arranged in an instrument area of a driving area, so that the operation of a driver is facilitated.

The switching and adjusting function of the maximum speed is realized on different speed-limiting road sections, the current suitable maximum speed limit can be obtained through intelligent analysis and calculation, and then the adjustment of the maximum speed limit can be realized through an acceleration button and a deceleration button, so that the suitable maximum speed limit is obtained; the possibility of overspeed can be reduced, the labor intensity of a driver is reduced, and the customer satisfaction is improved; the adjustable maximum speed limiting system has simple structure and control logic and negligible cost increase.

The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the following claims.