CN103434437B - Control method of automobile front anti-scratching reminding device - Google Patents
Control method of automobile front anti-scratching reminding device Download PDFInfo
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- CN103434437B CN103434437B CN201310313929.5A CN201310313929A CN103434437B CN 103434437 B CN103434437 B CN 103434437B CN 201310313929 A CN201310313929 A CN 201310313929A CN 103434437 B CN103434437 B CN 103434437B
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000006748 scratching Methods 0.000 title abstract description 6
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 230000000007 visual effect Effects 0.000 abstract description 11
- 230000002393 scratching effect Effects 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 8
- 210000003128 head Anatomy 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
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Abstract
The invention discloses a control method of an automobile front anti-scratching reminding device. The method comprises the following steps of 1, switching on a power source; 2, judging a seat position; 3, turning on one pair of light emitting elements corresponding to the existing seat position, and turning off other light emitting elements; 4, judging if vehicle speed is greater than 30km/h or not, wherein if the vehicle speed is greater than 30km/h, entering the next step, and if the vehicle speed is not greater than 30km/h, returning to the step 3; 5, turning off all light emitting elements; and 6, if the vehicle speed is reduced to be equal to or smaller than 30km/h, returning to the step 2. By adopting the technical scheme, the method has the advantages that by utilizing the visual reminding, a driver is assisted to avoid scratching when the driver drives and turns the automobile on a narrow road, the degree of the driver controlling the distance of the automobile away form obstacles is greatly improved, and the probability of the front scratching is greatly reduced; the cost is low, the universality is good, the practicality is high, and the automobile with low configuration also has the anti-scratching reminding function.
Description
Original bill application number: 201210023675.9
The original bill applying date: on February 3rd, 2012
Technical field
The invention belongs to the technical field of vehicle safety performance, relate to the anticollision of automobile, the technology of Anti-scratching, more particularly, the present invention relates to scraping-prevention reminding device for front part of automobile.In addition, the invention still further relates to the control method of this device.
Background technology
In the middle of daily driving, inevitably to run into by limited road, or the situation of reversing end for end in not spacious place.At this moment, due to the existence of blind area, (advance, Reverse Sensor when not having third party to remind; Camera system or other people remind), likely can generation wipe and hang.
Because cost is higher, in existing situation, Reverse Sensor or camera system still do not adopt in low joining on vehicle.
At present, the open source literature relating to above-mentioned technology or similar technique has:
A kind of automotive scrape-preventing warner (CN201703338U); A kind of prealarm system of ultrasonic anti-collision for vehicle running (CN2938140); A kind of device for measuring barrier during backing of automobile (CN101866003A); Vehicle obstacle-avoidance warning method (CN101450647); Vehicle side rearview mirror (CN101811475A); The patent documentations such as a kind of panoramic parking assist system (CN102045546A).
But technology disclosed in above-mentioned technical literature, exists that cost is higher, structure is more complicated and need to carry out the problems such as larger change to body accessory respectively, therefore applies the larger difficulty of existence.
Summary of the invention
The invention provides scraping-prevention reminding device for front part of automobile, its objective is the prompting function realizing the anti-friction extension of automotive front with relatively low cost.
To achieve these goals, first technical scheme that the present invention takes is:
Scraping-prevention reminding device for front part of automobile provided by the present invention, windshield or instrument carrier panel arrange two luminous elements, and two described luminous elements are located on the line of chaufeur left and right eyes and front part of vehicle left and right corner respectively.
Second technical scheme that the present invention takes is:
Scraping-prevention reminding device for front part of automobile provided by the present invention, windshield or instrument carrier panel arrange two groups of luminous elements, on the line that two groups of described luminous elements are distributed in chaufeur left and right eyes and front part of vehicle left and right corner and line both sides;
Described anti-friction extension alarm set adopts contactless seat position sensor, described seat position sensor comprise with seat movement luminous element and be fixed on photoconductive cell on seat slide; The position of each photoconductive cell is with regulation stall one_to_one corresponding before and after seat; When seat slide is to the some gears on stroke, when fixing luminous element is on the seat irradiated to photoconductive cell corresponding to corresponding seat stroke gear, photoconductive cell resistance diminishes, at this moment circuit two ends resistance value is resistance value corresponding on its seat travel gear, magnitude of voltage corresponding for this resistance value or current value are fed back to the control module of anti-friction extension alarm set, control program is selected to light the corresponding luminous element in two groups of described luminous elements according to this magnitude of voltage or current value signals.
Or described contactless seat position sensor replaces with following structure: described seat position sensor comprise with seat movement permanent magnet and be fixed on mechanical switch on seat slide; The position of each mechanical switch is with regulation stall one_to_one corresponding before and after seat; When seat slide is to the some gears on stroke, fixing permanent magnet on the seat utilizes magnetic force by the switch adhesive in its respective notch, at this moment circuit two ends create resistance value corresponding on this gear, magnitude of voltage corresponding for this resistance value or current value are fed back to the control module of anti-friction extension alarm set, control program is selected to light the corresponding luminous element in two groups of described luminous elements according to this magnitude of voltage or current value signals.
More specifically, described luminous element is LED luminous element.
Described two or two groups of luminous elements are connected with vehicle speed sensor by the control module of anti-friction extension alarm set, and judge whether luminous element to light according to real-time vehicle speed signal.
Described anti-friction extension alarm set, when the speed of a motor vehicle is equal to or less than 30km/h, lights described luminous element; After the speed of a motor vehicle is higher than 30km/h, described luminous element automatic distinguishing.
Present invention also offers the control method of above-described scraping-prevention reminding device for front part of automobile, the process of this control method is:
Start;
Step one, to switch on power;
Step 2, judge seat position;
Step 3, light a pair luminous element corresponding to front seat position, extinguish remaining luminous element;
Step 4, judge whether the speed of a motor vehicle is greater than 30km/h, if so, enter next step; If not, step 3 is returned;
Step 5, extinguish all luminous elements;
If the step 6 speed of a motor vehicle drops to be equal to or less than 30km/h, then return step 2.
The present invention adopts technique scheme, provide a kind of low cost scraping-prevention reminding device for front part of automobile, pass through visual alerts, carrying out driver assistance avoids wiping to touch when limited road up train, tune, chaufeur has very large lifting to the assurance degree that vehicle is felt apart from the position of obstacle, substantially reduce the probability that anterior wiping is touched, chaufeur can be made to travel vehicle when narrow area driving and hold better, more confident; The present invention has that cost is low, commonality good, practical feature, makes the automobile of low configuration also can have scrape-preventing prompting function.
Accompanying drawing explanation
Below the content expressed by each width accompanying drawing of this specification sheets and the mark in figure are briefly described:
Fig. 1 is pilot's line of vision and Obstacle Position relation schematic diagram;
Fig. 2 is for reminding light spot position and seat travel relation schematic diagram (supposing that seat is arranged in certain position of stroke);
Fig. 3 is the contactless sensing device schematic diagram in seat travel position adopting photoconductive cell scheme;
Fig. 4 is the seat travel position contactless sensing device circuit diagram corresponding to Fig. 3;
Fig. 5 is the contactless sensing device schematic diagram in seat travel position adopting permanent magnet adhesive switch solution;
Fig. 6 is the seat travel position contactless sensing device circuit diagram corresponding to Fig. 5;
Fig. 7 is the anti-friction logic block-diagram hanging prompting control policy of automotive front.
Being labeled as in figure:
1, obstacle (A), 2, left border obstacle, 3, left side prompting array of light spots, 4, the most forward position driver head of seat, 5, seat is position driver head the most rearward, 6, vehicle left side boundary line, 7, vehicle right side boundary line, 8, sight line border (chaufeur position the most rearward), 9, sight line border (the most forward position of chaufeur), 10, right side prompting array of light spots, 11, obstacle (B), 12, the right side LED signal (extinguishing) that seat rearmost position is corresponding, 13, the right side LED signal (lighting) that seat current location is corresponding, 14, the right side LED signal (extinguishing) that seat front position is corresponding, 15, the left side LED signal (extinguishing) that seat front position is corresponding, 16, the left side LED signal (lighting) that seat current location is corresponding, 17, the left side LED signal (extinguishing) that seat rearmost position is corresponding.
Detailed description of the invention
Contrast accompanying drawing below, by the description to embodiment, the specific embodiment of the present invention is described in further detail, have more complete, accurate and deep understanding to help those skilled in the art to inventive concept of the present invention, technical scheme.
Shown in Fig. 1 and Fig. 2, it is the principle that light emitting diode light is marked with visual manner prompting driver vehicle preceding object thing relative vehicle position function.Fig. 3 is the principle that contactless seat position sensing function realizes; Fig. 4 is the control circuit corresponding to Fig. 3.
Structure of the present invention expressed by Fig. 2 is a kind of scraping-prevention reminding device for front part of automobile.Overcome its defect in order to the current known technology Problems existing that solves described in this specification sheets background technology part, realize the goal of the invention of the prompting function realizing the anti-friction extension of automotive front with relatively low cost, first technical scheme that the present invention takes is:
Scraping-prevention reminding device for front part of automobile provided by the present invention, windshield or instrument carrier panel arrange two luminous elements, and two described luminous elements are located on the line of chaufeur left and right eyes and front part of vehicle left and right corner respectively.
More specifically, described luminous element is LED luminous element.LED luminous element has power consumptive province, the feature that the life-span is long.
What the present invention proposed is a kind of low cost scraping-prevention reminding device for front part of automobile, by visual alerts, carrys out driver assistance and avoids wiping to touch when limited road up train, tune.This alarm set has that cost is low, commonality good, practical feature, makes the automobile of low configuration also can have scrape-preventing prompting function.Meanwhile, this visual alerts device can make chaufeur travel assurance better when narrow area driving to vehicle, more confident.
As shown in Figure 1, its concrete technical scheme is: remind driver vehicle and anterior obstacle whether may have wiping by the LED light point of two on windshield or instrument carrier panel and touch.These two luminous points should be distributed on the line of chaufeur left and right eyes and front part of vehicle left and right corner.If anterior obstacle appears at outside two light spot positions, then do not wipe the possibility of touching.
Second technical scheme that the present invention takes is:
As shown in Figure 1, Figure 2, Figure 3 and Figure 4: scraping-prevention reminding device for front part of automobile provided by the present invention, windshield or instrument carrier panel arrange two groups of luminous elements, on the line that two groups of described luminous elements are distributed in chaufeur left and right eyes and front part of vehicle left and right corner and line both sides.
Because each chaufeur height is different, the position of these two luminous points is not unique.The present invention proposes to control this two positions of luminous point on Windshield or gauge panel by adjusting seat fore/aft travel.This function by presetting multiple LED, only light required wherein two realize.Consider problem in service life, the present invention it is also proposed simultaneously and adopts contactless seat position sensor.
As shown in Figure 1: the vehicle left side boundary line 6 in figure and vehicle right side boundary line 7; Outside left border line 6, it is left border obstacle 2; On the line being distributed in chaufeur left and right eyes and front part of vehicle left and right corner and line both sides be that left side points out array of light spots 3 and right side to point out array of light spots 10; Shown in figure, the most forward position driver head 4 of seat, forms sight line border 9, the i.e. the most forward position of chaufeur; Seat is position driver head 5 the most rearward, forms sight line border 8, i.e. chaufeur position the most rearward;
As shown in Figure 3 and Figure 4, described anti-friction extension alarm set adopts contactless seat position sensor, described seat position sensor comprise with seat movement luminous element and be fixed on photoconductive cell on seat slide; The position of each photoconductive cell is with regulation stall one_to_one corresponding before and after seat; When seat slide is to the some gears on stroke, when fixing luminous element is on the seat irradiated to photoconductive cell corresponding to corresponding seat stroke gear, photoconductive cell resistance diminishes, at this moment circuit two ends resistance value is resistance value corresponding on its seat travel gear, magnitude of voltage corresponding for this resistance value or current value are fed back to the control module of anti-friction extension alarm set, control program is selected to light the corresponding luminous element in two groups of described luminous elements according to this magnitude of voltage or current value signals.
Or described contactless seat position sensor replaces with following structure: as shown in Figure 5 and Figure 6, described seat position sensor comprise with seat movement permanent magnet and be fixed on mechanical switch on seat slide; The position of each mechanical switch is with regulation stall one_to_one corresponding before and after seat; When seat slide is to the some gears on stroke, fixing permanent magnet on the seat utilizes magnetic force by the switch adhesive in its respective notch, at this moment circuit two ends create resistance value corresponding on this gear, magnitude of voltage corresponding for this resistance value or current value are fed back to the control module of anti-friction extension alarm set,, control program is selected to light the corresponding luminous element in two groups of described luminous elements according to this magnitude of voltage or current value signals.
Judge whether to be lighted according to real-time vehicle speed signal again.
Equally, described luminous element is LED luminous element.
In sum, the present invention is made up of light emitting diode combined below front windshield, driver's seat position transduser and corresponding control logic circuit is formed.
In practical application, the situation that the number of light-emitting diode will be checked according to reality is determined.
As shown in Figure 2, suppose that seat is arranged in certain position of stroke:
Right side LED signal 12 corresponding to seat rearmost position is extinguished;
Right side LED signal 13 corresponding to seat current location is lighted;
Right side LED signal 14 corresponding to seat front position is extinguished;
Left side LED signal 15 corresponding to seat front position is extinguished;
Left side LED signal 16 corresponding to seat current location is lighted;
Left side LED signal 17 corresponding to seat rearmost position is extinguished.
Can be realized by technical scheme provided by the invention:
When not by high cost accessory appliancess such as any sensor, radar, pick up cameras, only realize practical automotive front scrape-preventing prompting function with common LED, position of driver sensitive switch and micro controller system decision circuit.This device has good practicality and commonality.
Prove after tested, drive narrow in the localities by, tune after front windshield is made aid mark, chaufeur to vehicle apart from the position sense of obstacle the lifting possessed to a great extent, substantially reduce and anterior wipe the probability touched.
Described two or two groups of luminous elements are connected with vehicle speed sensor by the control module of anti-friction extension alarm set, and judge whether luminous element to light according to real-time vehicle speed signal.
When considering vehicle by limited road or tune, chaufeur can control at reduced levels car speed usually, at this moment should light prompting LED; In order to not have influence on daily driving, after the speed of a motor vehicle is higher than 30km/h, LED is pointed out to answer automatic distinguishing.
Described anti-friction extension alarm set is equal to or less than 30km/h in the speed of a motor vehicle and lights described luminous element; Luminous element automatic distinguishing described after the speed of a motor vehicle is higher than 30km/h.
Embody rule is as follows:
1, visual alerts part:
Just by the limited road of a vehicle width is kept straight on, when remotely there is obstacle (A) 1 and obstacle (B) 11 before car, by highway sideline, chaufeur can differentiate whether they can collide with automobile, as the vehicle left side boundary line 6 in figure and vehicle right side boundary line 7, but usually there is no this sideline in practical situation.
On the vehicle being provided with this visual alerts device, obstacle (A) 1 and obstacle (B) 11 is observed when moving forward, they are close to vehicle with the track of aerial prospective line, it is A1-A2 that the track of obstacle (A) 1 moves towards trend, inside two visual cues points, so continuing craspedodrome will collide; The track trend of obstacle (B) 11 is B1-B2-B3, and outside two visual cues points, then continuing craspedodrome can not collide.
When vehicle is turned or tune at narrow zone, chaufeur is by both sides visual cues point, only need disturbance in judgement thing whether closely front part of vehicle: if chaufeur has felt obstacle closely front part of vehicle, at this moment obstacle still appears at inside the visual cues point of both sides, then can collide, move forward again after adjustment direction of should moveing backward.
Whether do not having on vehicle equipped therewith, chaufeur not only wants disturbance in judgement thing from the distance of front part of vehicle in this case, also want disturbance in judgement thing to be in right ahead, easily increases the probability of error in judgement.
2, electronic control part:
Contactless sensing device as shown in Figure 3 and Figure 4, the mode of action of its electronic control part is:
After chaufeur connects Vehicle Power, regulate driver seat to the position of its ride comfort.Luminous element with seat movement irradiates and is fixed on seat slide and is taken in photoconductive cell Kn corresponding on front travel gear, and at this moment the resistance of this photoconductive cell will reduce greatly, be equivalent to switch and be in conducting state.At this moment circuit two ends create resistance value corresponding on this gear, voltage (electric current) value corresponding for this resistance value is fed back to single chip control module, control program is selected to light a certain to light-emitting diode according to this voltage (electric current) signal, and judges whether to be lighted according to real-time vehicle speed signal.
Contactless sensing device as shown in Figure 5 and Figure 6, the mode of action of its electronic control part is:
After chaufeur connects Vehicle Power, regulate and drive seat to the suitable position that it is taken.A switch corresponding in the switches set utilizing magnetic attraction to be fixed on seat slide with the permanent magnet of seat movement, at this moment circuit two ends create resistance value corresponding on this gear, voltage (electric current) value corresponding for this resistance value is fed back to single chip control module, control program is selected to light a certain group of light-emitting diode according to this voltage (electric current) signal, and judges whether to be lighted according to real-time vehicle speed signal.
Present invention also offers the control method of above-described scraping-prevention reminding device for front part of automobile, the process of this control method is:
Start;
Step one, to switch on power;
Step 2, judge seat position;
Step 3, light a pair luminous element corresponding to front seat position, extinguish remaining luminous element;
Step 4, judge whether the speed of a motor vehicle is greater than 30km/h, if so, enter next step; If not, step 3 is returned;
Step 5, extinguish all luminous elements;
If the step 6 speed of a motor vehicle drops to be equal to or less than 30km/h, then return step 2.
Shown in the logic block-diagram hanging prompting control policy as anti-friction in Fig. 7 automotive front, the speed of a motor vehicle, once more than after 30km/h, being considered as not affecting chaufeur normal driving, this being extinguished light-emitting diode; When the speed of a motor vehicle is got back in 30km/h, should again light this to light-emitting diode.If chaufeur have adjusted seat position in the process of moving, system also must make accurate judgment, and lights the light-emitting diode that new location is corresponding.
Above by reference to the accompanying drawings to invention has been exemplary description; obvious specific implementation of the present invention is not subject to the restrictions described above; as long as have employed the improvement of the various unsubstantialities that method of the present invention is conceived and technical scheme is carried out; or design of the present invention and technical scheme directly applied to other occasion, all within protection scope of the present invention without to improve.
Claims (1)
1. the control method of a scraping-prevention reminding device for front part of automobile, described anti-friction extension alarm set arranges two groups of luminous elements on windshield or instrument carrier panel, on the line that two groups of described luminous elements are distributed in chaufeur left and right eyes and front part of vehicle left and right corner respectively and line both sides;
It is characterized in that:
Described anti-friction extension alarm set adopts seat position sensor, and described seat position sensor comprises permanent magnet with seat movement and the mechanical switch that is fixed on seat slide;
The position of each mechanical switch is with regulation stall one_to_one corresponding before and after seat;
When seat slide is to the some gears on stroke, fixing permanent magnet on the seat utilizes magnetic force by the switch adhesive in its respective notch, at this moment circuit two ends create resistance value corresponding on this gear, magnitude of voltage corresponding for this resistance value or current value are fed back to the control module of anti-friction extension alarm set, control program is selected to light the corresponding luminous element in two groups of described luminous elements according to this magnitude of voltage or current value signals;
The process of described control method is:
Start;
Step one, to switch on power;
Step 2, judge seat position;
Step 3, light a pair luminous element corresponding to front seat position, extinguish remaining luminous element;
Step 4, judge whether the speed of a motor vehicle is greater than 30km/h, if so, enter next step; If not, step 3 is returned;
Step 5, extinguish all luminous elements;
If the step 6 speed of a motor vehicle drops to be equal to or less than 30km/h, then return step 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310313929.5A CN103434437B (en) | 2012-02-03 | 2012-02-03 | Control method of automobile front anti-scratching reminding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310313929.5A CN103434437B (en) | 2012-02-03 | 2012-02-03 | Control method of automobile front anti-scratching reminding device |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100236759A Division CN102582503B (en) | 2012-02-03 | 2012-02-03 | Scraping-prevention reminding device for front part of automobile and control method therefor |
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| Publication Number | Publication Date |
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| CN103434437A CN103434437A (en) | 2013-12-11 |
| CN103434437B true CN103434437B (en) | 2015-06-10 |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1871532A (en) * | 1928-06-15 | 1932-08-16 | Kenna Mary Dudley | Driving and parking guide for vehicles |
| US2681633A (en) * | 1951-05-28 | 1954-06-22 | Julius C Basso | Automobile parking dial |
| US3834036A (en) * | 1972-11-13 | 1974-09-10 | F Scarritt | Lane stripe steering guide |
| US4079519A (en) * | 1976-08-12 | 1978-03-21 | Carmouche William J | Road delineators |
| US4677753A (en) * | 1986-02-18 | 1987-07-07 | Loggers John J | Collision risk assessment system |
| US4823471A (en) * | 1986-11-17 | 1989-04-25 | Schaack Wilbur B Van | Lane marker steering guide |
| US6345586B1 (en) * | 1998-06-30 | 2002-02-12 | Mitsutoyo Industry Co., Ltd. | Method for confirming vehicle travel position and equipment for displaying vehicle travel position |
| CN102632828A (en) * | 2012-04-25 | 2012-08-15 | 刘乐 | Car with laser lighting auxiliary prompt function and realization method of car |
-
2012
- 2012-02-03 CN CN201310313929.5A patent/CN103434437B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1871532A (en) * | 1928-06-15 | 1932-08-16 | Kenna Mary Dudley | Driving and parking guide for vehicles |
| US2681633A (en) * | 1951-05-28 | 1954-06-22 | Julius C Basso | Automobile parking dial |
| US3834036A (en) * | 1972-11-13 | 1974-09-10 | F Scarritt | Lane stripe steering guide |
| US4079519A (en) * | 1976-08-12 | 1978-03-21 | Carmouche William J | Road delineators |
| US4677753A (en) * | 1986-02-18 | 1987-07-07 | Loggers John J | Collision risk assessment system |
| US4823471A (en) * | 1986-11-17 | 1989-04-25 | Schaack Wilbur B Van | Lane marker steering guide |
| US6345586B1 (en) * | 1998-06-30 | 2002-02-12 | Mitsutoyo Industry Co., Ltd. | Method for confirming vehicle travel position and equipment for displaying vehicle travel position |
| CN102632828A (en) * | 2012-04-25 | 2012-08-15 | 刘乐 | Car with laser lighting auxiliary prompt function and realization method of car |
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| CN103434437A (en) | 2013-12-11 |
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