CN101007520A - Automobile acceleration rear indicator - Google Patents
Automobile acceleration rear indicator Download PDFInfo
- Publication number
- CN101007520A CN101007520A CN 200610003934 CN200610003934A CN101007520A CN 101007520 A CN101007520 A CN 101007520A CN 200610003934 CN200610003934 CN 200610003934 CN 200610003934 A CN200610003934 A CN 200610003934A CN 101007520 A CN101007520 A CN 101007520A
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- acceleration
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- accel
- rear indicator
- vehicle
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Abstract
A device installed in vehicle rear part, displaying the actual speed changing status of the car to the drivers back the car and reducing or avoiding rear-end accidents occurring. It installs an acceleration sensor in vehicle, the sensor contains two swing strips which can swings freely in the vehicle running direction for testing the accelerating and decelerating acceleration of vehicle. The angle of swing strips can reflect the size of vehicle acceleration. The acceleration signals of vehicle movement tested in the acceleration sensor are processed by the signal processor, then the processed results are transmitted to monitor and be displayed. The acceleration displaying matrix is combined by multiple rows multiple lines luminescent devices, the accelerating and decelerating are displayed by two luminescent devices with different colors. When displays the results, the spot lights are expended from central point to two sides symmetrically, the row number of lighted luminescent device is corresponding with the acceleration values.
Description
Affiliated technical field
The present invention relates to a kind of automobile acceleration rear indicator, it is a kind of automobile rear that is installed in, and the automobile driver to this car back shows that it is acceleration information that this vehicle speed changes, with the device that reduces or avoid accident to take place.
Background technology
The present rear indicator of indication running state on the automobile---brake indication taillight car navigating mate backward shows the brake operation state of this car navigating mate, can not reflect the velocity variations that Ben Che causes owing to other reasons, thereby make back car navigating mate can not understand the time of day of front truck motion fully, be difficult to take measures necessary early according to front truck actual motion state, to such an extent as to the time of taking measures after being awake to the danger shortens greatly, can not tackle calmly, very easily cause the accident that knocks into the back even overturn.
Summary of the invention
The purpose of this invention is to provide a kind ofly be installed in automobile rear, the car navigating mate is indicated the device of the actual change of this car kinematic velocity backward, it is unique practical to have demonstration information, display mode is eye-catching, state shows characteristics of real time.
Principle of work of the present invention is: an acceleration pick-up is installed in automobile, and sensor includes two pendulum bars that can freely swing, the acceleration/accel of measured automobiles acceleration and deceleration respectively before and after vehicle traveling direction.The angle and the relation between the acceleration/accel of pendulum bar swing can be derived by the following method: establish the center of gravity of pendulum bar certain position A point at the pendulum bar, in the strained condition of the effect bottom bar of acceleration/accel as shown in Figure 4.Be located under the effect of a certain force of inertia, the pendulum bar has been put maximum angle θ, and this moment, to put suffered the making a concerted effort of bar be 0, promptly force of inertia and centripetal force make a concerted effort equate with the gravity of putting bar, at this moment
F is used to=the heavy tan θ of f
Or ma=mgtan θ
Be a=gtan θ
In the formula, g is an acceleration due to gravity.
The technical solution adopted in the present invention is: this device is installed on the full position at the rear portion of automobile, the automobile driver of this car back can clearly be seen.Device mainly is made up of acceleration pick-up, acceleration signal treater and telltale three parts.Measure the acceleration signal of automobile sport from acceleration pick-up, through the judgement of signal processor, calculate and processing, obtain and the corresponding data of pickup, again these data are sent to telltale and show.When automobile with constant-speed operation or when static, lighted without any luminescent device on this device, display.When automobile is in acceleration mode, quicken to be lighted with the cooresponding luminescent device of accekeration in the display matrix.Acceleration/accel is big more, and lighted luminescent device is many more, and the area of lighting is corresponding big more.When automobile is in deceleration regime, to be lighted with the cooresponding luminescent device of accekeration in the deceleration display matrix, the same area that shows is corresponding with the value of acceleration/accel.So just can make the navigating mate of the automobile of this car back, can understand the acceleration, deceleration state of this car directly, apace, judge early, take measures, reach the purpose that the minimizing accident takes place.
The structure of said acceleration pick-up as shown in Figure 3.The pendulum bar of two suspensions is called and quickens the pendulum bar and slow down the pendulum bar.Quicken the pendulum bar and can only quicken swing backward under the action of inertia; And the pendulum bar that slows down can only swing forward under the deceleration action of inertia.Magnet is being inlayed on the top of pendulum bar, the approach that moves through at magnet is equipped with a plurality of Hall magnetic induction sensors, the position of corresponding different acceleration/accels respectively by measuring the position of the Hall element that the pendulum bar can reach, can calculate the acceleration/accel of any time in this car motion process.
Said telltale is shown in accompanying drawing 1, accompanying drawing 2.Line up the acceleration/accel oriental matrix by many rows multiple row luminescent device, each row luminescent device represents that one of acceleration/accel is measured, and columns is many more, and its sensitivity that shows acceleration/accel is high more.Launched to light to bilateral symmetry by center-point during demonstration, the columns of lighted luminescent device is many more, shows that the numerical value of acceleration/accel is big more.Quicken and slow down to indicate by the luminescent device matrix of two kinds of different colours respectively.Deceleration is called the deceleration display matrix by the demonstration of emitting red light matrix of device.Acceleration can select the luminescent device matrix of other any color to show, is called the acceleration display matrix.The acceleration modes that two kinds of different colours are corresponding different, help back car navigating mate faster, judge more intuitively.
Said acceleration signal processor adopting one-chip computer is as core devices, and the acceleration signal that acceleration pick-up is measured carries out Intelligent treatment, and result is sent to telltale shows.The method of handling is as follows:
Be provided with n Hall magnetic induction device by the positional alignment shown in the accompanying drawing 3, the different angles of the corresponding pendulum of the sensing device of diverse location bar swing, i the pairing angle of sensing device is made as θ i.The signal of each sensing device is constantly measured in the signal processor circulation, and the signal that repeatedly records is carried out intelligent decision and data handing, is transformed to the maximum angle θ i of pendulum bar swing.If the calculated amount corresponding to the pickup value is represented with A.Then
A＝g·tanθi
The move acceleration/accel in this moment of corresponding this car of this result of calculation is quantified as the columns of display lighting device with it, is sent to telltale then, and just correspondence is lighted luminescent device with the cooresponding columns of acceleration/accel on telltale.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Accompanying drawing 1 is the front view of automobile acceleration rear indicator.
Accompanying drawing 2 is top views of automobile acceleration rear indicator.
Accompanying drawing 3 is A-A cutaway views of Fig. 1.
1. deceleration display matrixes (emitting red light device) among the figure 2. quicken display matrix (other look luminescent device), 3. sensor and signal processor, 4. telltale, 5. acceleration sensing device, 6. deceleration sensing device, 7. deceleration pendulum bar, 8. acceleration pendulum bar, 9. magnet.
The specific embodiment
Among Fig. 1, deceleration display matrix (1) is only lighted the viewing area with the corresponding area of acceleration value of car deceleration, this viewing area of being lighted from center-point to both sides with same amplitude expansion; Equally, quicken display matrix (2) and only light viewing area with the corresponding area of acceleration value of car acceleration;
Among Fig. 2, sensor and signal processor (3) record the acceleration/accel of automobile sport, and the line data of going forward side by side is handled, and then the result are sent to telltale (4) and show.Consider the resolution capability of human eye, refreshed in per 0.1 second once and show.Measurement, the result of calculation of quickening the swing of pendulum bar is sent to quickens the display matrix demonstration; Measurement, result of calculation that the pendulum bar that slows down is swung then are sent to the deceleration display matrix and show.
Among Fig. 3, the effect lower swing of pendulum bar (7) at the deceleration force of inertia slows down, deceleration sensing device (6) the magnet (9) on pendulum bar top with it near the time produce electric signal, handle after signal processor (3) receives this signal, it is transformed to the digital signal output of lighting deceleration viewing area (1); In like manner, acceleration pendulum bar (8) is at the effect lower swing that quickens force of inertia, and the signal that quickens sensing device (5) generation is used to light acceleration viewing area (2).
Claims (7)
1. automobile acceleration rear indicator, this device is installed on automobile rear, mainly comprise acceleration pick-up, signal processor and acceleration/accel telltale three parts, it is characterized in that device passes through two pendulum bars and measures acceleration/accel in the mode of force of inertia effect lower swing.
2. automobile acceleration rear indicator according to claim 1 is characterized in that at the running path at pendulum bar swinging end top a plurality of induction of signal devices being installed the different accekeration of the corresponding measurement of the sensing device of diverse location.
3. automobile acceleration rear indicator according to claim 1 is characterized in that at pendulum bar swinging end top the element that can trigger sensing device being installed, induction of signal device and this element near the time, the generation electric signal.
4. automobile acceleration rear indicator according to claim 1, the sensing device that it is characterized in that vehicle acceleration sensor adopts Hall element, the triggering element on pendulum bar top adopts magnet, the electric signal of generation by signal processor be transformed to can driving display digital signal.Signal processor is that major part constitutes with the one-chip computer.
5. automobile acceleration rear indicator according to claim 1 is characterized in that the sensing device of the diverse location in the acceleration pick-up forms different angle theta with vertical direction.The maximum angle θ of pickup value a and the swing of automobile sensor pendulum bar
MaxFollowing relation is arranged:
a＝g·tanθ
max
In the formula, g is an acceleration due to gravity.
6. automobile acceleration rear indicator according to claim 1, the telltale that it is characterized in that accekeration is lined up the acceleration/accel oriental matrix by many rows multiple row luminescent device and is realized, each row luminescent device represents that one of acceleration/accel is measured, launch to light to bilateral symmetry by center-point during demonstration, the columns of lighted luminescent device is many more, shows that the numerical value of acceleration/accel is big more.
7. automobile acceleration rear indicator according to claim 1 is characterized in that the demonstration of acceleration/accel is divided into the acceleration and two display matrixes that slow down, and two display matrixes adopt the luminescent device of different colours.Pickup is timing, lights the acceleration display matrix; When pickup is negative, light the deceleration display matrix
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100039346A CN101007520B (en) | 2006-01-23 | 2006-01-23 | Automobile acceleration rear indicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100039346A CN101007520B (en) | 2006-01-23 | 2006-01-23 | Automobile acceleration rear indicator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101007520A true CN101007520A (en) | 2007-08-01 |
| CN101007520B CN101007520B (en) | 2011-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006100039346A Expired - Fee Related CN101007520B (en) | 2006-01-23 | 2006-01-23 | Automobile acceleration rear indicator |
Country Status (1)
| Country | Link |
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| CN (1) | CN101007520B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102496307A (en) * | 2011-11-17 | 2012-06-13 | 天津大学 | Alarming device capable of preventing rear-end collision on expressways |
| CN102632833A (en) * | 2012-05-21 | 2012-08-15 | 周亦武 | Display device for acceleration/deceleration state of automobile |
| CN103358985A (en) * | 2012-04-09 | 2013-10-23 | 周亦武 | Automobile acceleration display device |
| CN107246584A (en) * | 2017-08-11 | 2017-10-13 | 浙江友德电子科技有限公司 | Bicycle automatic safe indicator lamp |
| CN111016777A (en) * | 2019-12-03 | 2020-04-17 | 唐智勇 | Simple pendulum type rapid deceleration alarm device |
| CN111775697A (en) * | 2019-04-04 | 2020-10-16 | 上海欧菲智能车联科技有限公司 | Automobile speed processing method and device, computer readable storage medium and equipment |
| CN113795064A (en) * | 2020-03-10 | 2021-12-14 | 天津九九电子有限公司 | Multi-state bright block electric vehicle with intelligent components of instrument and scanning circuit digital LED screen |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1073526A (en) * | 1991-12-19 | 1993-06-23 | 北京市西城区新开通用试验厂 | A kind of acceleration transducer |
| CN2194514Y (en) * | 1993-12-01 | 1995-04-12 | 北京创大泰克电子有限公司 | Pendulum bob type accelerated speed sensor |
| CN2248662Y (en) * | 1995-12-01 | 1997-03-05 | 左益学 | Arrangement for indicating braking action or speeding the vehicle |
| CN1168328A (en) * | 1996-06-18 | 1997-12-24 | 周亦武 | Back speed display for vehicle |
| CN2352402Y (en) * | 1998-06-08 | 1999-12-08 | 杨昕 | Multiple stage displaying device for indication reducing speed (braking action) |
| CN100382991C (en) * | 2004-04-30 | 2008-04-23 | 中国科学院上海微系统与信息技术研究所 | Vehicle acceleration or deceleration/brake grading display method using sensor and apparatus therefor |
-
2006
- 2006-01-23 CN CN2006100039346A patent/CN101007520B/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102496307A (en) * | 2011-11-17 | 2012-06-13 | 天津大学 | Alarming device capable of preventing rear-end collision on expressways |
| CN103358985A (en) * | 2012-04-09 | 2013-10-23 | 周亦武 | Automobile acceleration display device |
| CN102632833A (en) * | 2012-05-21 | 2012-08-15 | 周亦武 | Display device for acceleration/deceleration state of automobile |
| CN107246584A (en) * | 2017-08-11 | 2017-10-13 | 浙江友德电子科技有限公司 | Bicycle automatic safe indicator lamp |
| CN111775697A (en) * | 2019-04-04 | 2020-10-16 | 上海欧菲智能车联科技有限公司 | Automobile speed processing method and device, computer readable storage medium and equipment |
| CN111016777A (en) * | 2019-12-03 | 2020-04-17 | 唐智勇 | Simple pendulum type rapid deceleration alarm device |
| CN111016777B (en) * | 2019-12-03 | 2022-06-03 | 唐智勇 | Simple pendulum type rapid deceleration alarm device |
| CN113795064A (en) * | 2020-03-10 | 2021-12-14 | 天津九九电子有限公司 | Multi-state bright block electric vehicle with intelligent components of instrument and scanning circuit digital LED screen |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101007520B (en) | 2011-04-20 |
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