CN111267723A - Automobile brake strength and steering display device - Google Patents
Automobile brake strength and steering display device Download PDFInfo
- Publication number
- CN111267723A CN111267723A CN202010159508.1A CN202010159508A CN111267723A CN 111267723 A CN111267723 A CN 111267723A CN 202010159508 A CN202010159508 A CN 202010159508A CN 111267723 A CN111267723 A CN 111267723A
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- vehicle
- braking
- control unit
- acceleration
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- 230000001133 acceleration Effects 0.000 claims abstract description 37
- 230000008859 change Effects 0.000 claims abstract description 4
- 230000004044 response Effects 0.000 claims abstract description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000005855 radiation Effects 0.000 claims 1
- 206010039203 Road traffic accident Diseases 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
- B60Q1/50—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating other intentions or conditions, e.g. request for waiting or overtaking
- B60Q1/503—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating other intentions or conditions, e.g. request for waiting or overtaking using luminous text or symbol displays in or on the vehicle, e.g. static text
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
- B60Q1/34—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating change of drive direction
- B60Q1/346—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating change of drive direction with automatic actuation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
- B60Q1/44—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating braking action or preparation for braking, e.g. by detection of the foot approaching the brake pedal
- B60Q1/444—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating braking action or preparation for braking, e.g. by detection of the foot approaching the brake pedal with indication of the braking strength or speed changes, e.g. by changing shape or intensity of the indication
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
The invention discloses an automobile brake strength and steering display device, which comprises a gyroscope, a communication bus, a micro control unit, a light indicator board and a power supply, wherein the gyroscope is connected with the communication bus; the gyroscope detects the braking acceleration b of the vehicle in real time1And lateral acceleration b2And is transmitted to the micro control unit through a communication bus; the micro control unit is programmed by using FPGA (field programmable gate array) and is used for controlling the acceleration b according to the braking1Controlling the display intensity of the light indicator panel according to the lateral acceleration b2Displaying the lane change direction of the vehicle; the power supply is electrically connected with the light control panel, the gyroscope and the micro control unit and supplies power to the whole device. The invention can display the information of the braking force, the lane changing direction and the like of the vehicle in real time through the LED lamp on the light indicating plate, and a driver of the rear vehicle can judge the motion state of the front vehicle according to the information on the light indicating plate of the front vehicle andthe emergency response time is effectively shortened by making a response in time, and precious time is provided for emergency hedge.
Description
Technical Field
The invention relates to the field of automobile motion posture display, in particular to an automobile brake strength and steering display device.
Background
At present, with the rapid development of social economy, the popularization rate of automobiles is increased year by year, and traffic accidents also frequently occur. Particularly on a highway, the rapid speed of the vehicle easily causes the chain rear-end collision accident, thereby causing serious casualties and economic loss. The reasons for traffic accidents on highways are mainly: the front vehicle decelerates suddenly, the rear vehicle is not observed obviously, the reaction of a driver is delayed, and finally an accident is caused. The reason is that when a front vehicle brakes, a rear driver is difficult to judge whether the vehicle brakes suddenly or slowly and is easy to make wrong actions, so that accidents are caused, and the condition is particularly obvious in bad weather such as rain and fog and when the driver drives for a long time. In addition, vehicles which change lanes randomly and do not turn on the turn lights often appear on the expressway, and traffic accidents such as rear-end collisions, scratch and the like caused by the fact that drivers of rear vehicles do not react in time can also be caused.
Disclosure of Invention
Aiming at the technical problems, the invention provides the automobile braking strength and steering display device which can timely and accurately display the braking strength when a vehicle brakes and can also timely and accurately display the lane changing direction of the vehicle when the vehicle changes lanes and forgets to turn on a steering lamp.
In order to solve the problems, the invention adopts the technical scheme that:
an automobile braking strength and steering display device comprises: the system comprises a gyroscope, a communication bus, a micro control unit, a light indicator board and a power supply;
the gyroscope detects the braking acceleration b of the vehicle in real time1And lateral acceleration b2And is transmitted to the micro control unit through a communication bus; the micro control unit is programmed by using FPGA (field programmable gate array) and is used for controlling the acceleration b according to the braking1Controlling the display intensity of the light indicator panel according to the lateral acceleration b2Displaying the lane change direction of the vehicle;
the power supply is electrically connected with the light control panel, the gyroscope and the micro control unit and supplies power to the whole device.
Further, the gyroscope provides at least two-axis acceleration information of an x-axis and a y-axis which are perpendicular to each other, wherein the x-axis is the same as the vehicle running direction, the positive axis of the y-axis is the left side of the vehicle running direction, and the negative axis of the y-axis is the right side of the vehicle running direction.
Furthermore, the micro control unit comprises a plurality of braking acceleration thresholds with different braking intensitiesDynamic acceleration b1Braking acceleration b compared with a threshold value1The higher the threshold interval is, the more the number of the light bars of the light indicating plate is.
Further, the micro control unit makes a judgment if the lateral acceleration b of the y axis is detected2If the number is more than 0, controlling the arrow-shaped red light bar to flicker; if lateral acceleration b of the y-axis2If the number is less than 0, controlling the arrow-shaped '>' red light bar to flicker.
Further, the communication bus is a serial peripheral interface.
Further, the control signal that little the control unit generated passes through relay control light indicator board.
Further, the light indicator board is a red LED lamp.
Further, the power supply is a storage battery or a vehicle-mounted power supply, and the storage battery is a low-power-consumption and low-radiation rechargeable battery.
Compared with the prior art, the invention has the following advantages and beneficial effects:
when the vehicle suddenly brakes or turns into a lane without turning on a steering lamp, the device can display the information of the braking force, the lane changing direction and the like of the vehicle in real time through the LED lamp on the light indicating plate, and a driver of a rear vehicle can judge the motion state of the front vehicle according to the information on the light indicating plate of the front vehicle and timely react, so that the emergency response time is effectively shortened, and precious time is provided for emergency danger avoidance.
Drawings
Fig. 1 is a schematic structural diagram of the present embodiment.
The reference signs are: 10 gyroscopes, 11 SPI communication buses, 12 micro control units, 13 relays, 14 light indicating boards and 15 power supplies.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, which are provided for illustration and description only and are not intended to limit the present invention.
The schematic structural diagram of this embodiment is shown in fig. 1, and includes a gyroscope 10 and a Serial Peripheral Interface (SPI) communication busLine 11, micro control unit 12, relay 13, light indicator board 14, power supply 15; the gyroscope 10 is electrically connected with the micro control unit 12 through an SPI communication bus 11; the gyroscope 10 is used for detecting the braking acceleration b of the vehicle in real time1And lateral acceleration b2The SPI communication bus 11 will brake the acceleration b1And lateral acceleration b2To the micro-control unit 12; a plurality of different brake intensity threshold values are arranged in the micro control unit 12, the micro control unit 12 calculates information transmitted by the gyroscope 10 and compares the information with the threshold values, and the greater the brake intensity is, the greater the number of the light bars is; the micro control unit 12 is electrically connected with a relay 13; the relay 13 has a switch function and is electrically connected with the light indicating plate 14 and used for controlling the on and off of the light indicating plate 14; a plurality of three red light bars are arranged in parallel in the middle of the light indicating plate 14 and used for displaying the brake intensity; the left side and the right side of the light indicating plate 14 are respectively provided with an arrow "<", ">" shaped red light bar for displaying the lane changing direction of the vehicle. And the power supply 15 is electrically connected with the light control board 14, the gyroscope 10 and the micro control unit 12 and supplies power to the whole device.
In the present embodiment, the gyroscope 10 provides at least two-axis acceleration information of x-axis and y-axis perpendicular to each other, where the x-axis is the same as the vehicle traveling direction, the y-axis positive axis is the left side of the vehicle traveling direction, and the y-axis negative axis is the right side of the vehicle traveling direction.
In the present embodiment, the SPI communication bus 11 is manufactured by motorola, which is responsible for the information transmission between the gyroscope 10 and the micro control unit 12.
In this embodiment, the micro control unit 12 is a Spartan-6 series chip manufactured by Xilinx, usa, and implements comparison between the braking acceleration threshold and the vehicle braking acceleration value monitored by the gyroscope, and generates a control signal to be transmitted to the relay 13; the positive and negative interpretation of the steering acceleration value detected by the gyroscope is realized, and a control signal is generated and transmitted to the relay 13;
in the present embodiment, the braking acceleration threshold value in the micro control unit 12 includes a first threshold value a1A second threshold value a2A third threshold value a3The second threshold valuea2Greater than a first threshold value a1When a is1≤b1＜a2When the lamp is turned on, one red lamp strip in the light indicating plate 14 flickers; the third threshold value a3Greater than a second threshold value a2When a is2≤b1＜a3When the lamp is turned on, two red lamp strips in the light indicating plate 14 flicker; when a is3≤b1When the three red light strips in the light indicating plate 14 all flash;
in this embodiment, if the micro control unit 12 determines the lateral acceleration b of the y-axis2If the number is more than 0, controlling the arrow-shaped red light bar to flicker; if the lateral acceleration b of the y axis is judged2If the number is less than 0, controlling the arrow-shaped '>' red light bar to flicker.
In the present embodiment, the comparison between the braking acceleration and the threshold value and the interpretation of the positive and negative steering acceleration values in the micro control unit 12 are realized by FPGA programming;
in the present embodiment, the red light bar 14 is an LED lamp;
in the present embodiment, the power supply 15 is a storage battery or a vehicle-mounted power supply, and the storage battery is a low-power-consumption and low-radiation rechargeable battery;
finally, it should be noted that: the above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it will be obvious to those skilled in the art that modifications may be made in the technical solutions described in the above embodiments, or some technical features may be equivalently replaced. Any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A display device for automobile braking strength and steering is characterized by comprising a gyroscope (10), a communication bus (11), a micro-control unit (12), a light indicator board (14) and a power supply (15);
the gyroscope (10) detects the braking acceleration b of the vehicle in real time1And lateral acceleration b2Is transmitted to a micro control unit (12) through a communication bus (11); the micro-control unit (12) is programmed with an FPGA according toBraking acceleration b1Controlling the display intensity of the light indicator panel (14) in response to the lateral acceleration b2Displaying the lane change direction of the vehicle;
and the power supply (15) is electrically connected with the lamplight control panel (14), the gyroscope (10) and the micro control unit (12) and supplies power to the whole device.
2. A vehicle braking intensity and steering display device as claimed in claim 1, wherein the gyroscope (10) provides at least two-axis acceleration information of x-axis and y-axis perpendicular to each other, wherein the x-axis is the same as the vehicle driving direction, the y-axis positive axis is left of the vehicle driving direction, and the y-axis negative axis is right of the vehicle driving direction.
3. The device for displaying the braking intensity and the steering direction of an automobile according to claim 1, wherein the micro control unit (12) comprises a plurality of braking acceleration thresholds with different braking intensities, and the braking acceleration b is calculated1Braking acceleration b compared with a threshold value1The higher the threshold interval is, the more the number of the light bars of the light indicating plate (14) is bright.
4. A device for displaying the braking intensity and the steering direction of a vehicle as claimed in claim 2, characterized in that said micro-control unit (12) determines if the lateral acceleration b of the y axis is positive2If the number is more than 0, controlling the arrow-shaped red light bar to flicker; if lateral acceleration b of the y-axis2If the number is less than 0, controlling the arrow-shaped '>' red light bar to flicker.
5. The device for displaying the braking intensity and the steering direction of the vehicle as claimed in claim 1, wherein the communication bus (11) is a serial peripheral interface.
6. A braking intensity and steering display device for car as claimed in claim 1, characterized in that the control signal generated by said micro control unit (12) controls the light indicator panel (14) through the relay (13).
7. The braking intensity and steering display device of claim 1, wherein the light indicator panel (14) is a red LED light.
8. A braking intensity and steering display device for a vehicle as claimed in claim 1, wherein said power source (15) is a battery or a vehicle-mounted power source, and the battery is a low power consumption, low radiation rechargeable battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010159508.1A CN111267723A (en) | 2020-03-09 | 2020-03-09 | Automobile brake strength and steering display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010159508.1A CN111267723A (en) | 2020-03-09 | 2020-03-09 | Automobile brake strength and steering display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111267723A true CN111267723A (en) | 2020-06-12 |
Family
ID=70994413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010159508.1A Pending CN111267723A (en) | 2020-03-09 | 2020-03-09 | Automobile brake strength and steering display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111267723A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2628338Y (en) * | 2003-02-11 | 2004-07-28 | 陈川 | Vehicle braking strong indicating lamp |
| KR200394195Y1 (en) * | 2005-06-02 | 2005-08-30 | 류헌규 | High Mounted Combination Lamp for Vehicle |
| CN1883982A (en) * | 2005-06-24 | 2006-12-27 | 龚青 | Vehicular status signal system |
| CN205273288U (en) * | 2015-12-19 | 2016-06-01 | 长安大学 | Voluntarily, high bit combination tail lamp of opening of automobile and control system thereof |
| CN208036094U (en) * | 2017-11-10 | 2018-11-02 | 矫世安 | The anti-alarming device that knocks into the back |
| US20200047664A1 (en) * | 2018-08-08 | 2020-02-13 | Uatc, Llc | Vehicle Wheel Units |
-
2020
- 2020-03-09 CN CN202010159508.1A patent/CN111267723A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2628338Y (en) * | 2003-02-11 | 2004-07-28 | 陈川 | Vehicle braking strong indicating lamp |
| KR200394195Y1 (en) * | 2005-06-02 | 2005-08-30 | 류헌규 | High Mounted Combination Lamp for Vehicle |
| CN1883982A (en) * | 2005-06-24 | 2006-12-27 | 龚青 | Vehicular status signal system |
| CN205273288U (en) * | 2015-12-19 | 2016-06-01 | 长安大学 | Voluntarily, high bit combination tail lamp of opening of automobile and control system thereof |
| CN208036094U (en) * | 2017-11-10 | 2018-11-02 | 矫世安 | The anti-alarming device that knocks into the back |
| US20200047664A1 (en) * | 2018-08-08 | 2020-02-13 | Uatc, Llc | Vehicle Wheel Units |
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