CN106904120A - A kind of anti-misoperation brake system based on infrared detection - Google Patents
A kind of anti-misoperation brake system based on infrared detection Download PDFInfo
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- CN106904120A CN106904120A CN201710051386.2A CN201710051386A CN106904120A CN 106904120 A CN106904120 A CN 106904120A CN 201710051386 A CN201710051386 A CN 201710051386A CN 106904120 A CN106904120 A CN 106904120A
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- Prior art keywords
- infrared
- controller
- infrared detecting
- brake system
- detecting device
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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
- B60Q9/00—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling
- B60Q9/008—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling for anti-collision purposes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T7/00—Brake-action initiating means
- B60T7/12—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
- G01S17/06—Systems determining position data of a target
- G01S17/08—Systems determining position data of a target for measuring distance only
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Transportation (AREA)
- Human Computer Interaction (AREA)
- Traffic Control Systems (AREA)
Abstract
The invention discloses a kind of anti-misoperation brake system based on infrared detection, including controller, just detachable firm banking, 8 groups of infrared detecting devices；Described just detachable firm banking is fitted around in automobile chassis peripheral edge, 8 groups of described infrared detecting devices are fixed on just detachable firm banking, two groups are respectively arranged per side along the four edges edge of underbody car, and each group is 20~40cm apart from corresponding base corner, infrared detecting device is connected after amplifying through signal with controller, and controller output end is connected with automobile brake system circuit；And all connecting lines are along just installation between detachable firm banking and automobile chassis.Compared with given threshold according to gained distance signal by controller, when detecting distance is less than given threshold, controller triggers brake system in time, it is to avoid collided with barrier.Every group of infrared detecting device includes two infrared detection sensors of bigness scale and accurate measurement, can effectively reduce the False Rate of distance detection.
Description
Technical field
The present invention relates to a kind of automobile safety system, more specifically, it relates to a kind of anti-based on infrared detection
Maloperation brake system.
Background technology
Because energy of the people when driving is not concentrated or reaction in emergency circumstances malfunctions, mistaking accelerator does showing of braking
As happening occasionally.If event occurs in the case where brake hard is needed, consequence is hardly imaginable.Similar traffic in recent years
Accident is encountered with many times.Simultaneously as there is vision blind spot in car in driver's sheet, such as the child less than headstock height,
Roadblock etc. is without noticing of often occurring to hit, hurting people or smashing objects by mistake.Additionally, being leaned in driver's reversing, by narrow way, parking
During nearly road serrated edge, also it is susceptible to because of the phenomenon of vehicle of being damaged caused by vision dead zone.Generally speaking, the appearance of these problems
It is caused by driver is difficult to correctly to judge according to distance parameter in a short time driver behavior.Therefore, for above-mentioned urgent feelings
Condition and because on driver's vision it is objective it is limited caused by complicated traffic conditions, it is necessary to take corresponding counter-measure,
The braking of automobile is realized in short time by intelligent, automation control strategy, the probability that accident occurs is preferably minimized, prevents
Only serious consequence occurs.
At present with the existing more achievement of the research of anti-misoperation brake system association area.Permitted in mechanical structure aspect
All simultaneously effect is a lot of for innovation, the feasibility of exploitation automatic control system is guaranteed.Publication No. CN105564238A's
Patent of invention discloses a kind of accelerator stepping misoperation preventing device on May 11st, 2016, including gas pedal, is connected in gas pedal
Throttle drive link, brake oil cylinder depression bar and ECU, it is characterized in that also include electromagnetic connector, can be from the brake triggering replied
Switch, self-actuating brake motor and body exterior sensor.The accelerator stepping misoperation preventing device of the invention have safe and cost compared with
Low the characteristics of, but the invention, by the use of radar sensor as detection means, accuracy of detection is poor.The invention simultaneously does not possess people
Machine interactive function, it is impossible to formed by controller and driver and contacted to facilitate the control of system.And the invention clearly will not
Detection means is arranged on automobile chassis, it is impossible to accomplish the detection to the low height obstacle such as road serrated edge.
In sum, existing control mode and control system Shortcomings, it is difficult to accomplish with ensureing high-efficiency high-precision to prevent
Maloperation.
The content of the invention
From the point of view of existing market, existing most of automobiles are all not equipped with anti-misoperation system, once oil is stepped in generation by mistake
Situations such as door, can trigger serious consequence.Also it is only to play warning effect and can not make for existing reversing early warning system
Timely respond.The invention provides a kind of anti-misoperation brake system based on infrared detection, the system utilizes infrared detection
The method of distance detects barrier, can not only prevent because of the situation that mistaking accelerator for brake is stepped on, additionally it is possible to avoid because of vision
The generation of situations such as touching short object, road serrated edge by mistake caused by blind spot.Automatic control system is used as by controller, system can
Promptly and accurately to automated to respond to, it is connected with the brake control system of vehicle, so as to play a part of brake hard.
The technical scheme is that：A kind of anti-misoperation brake system based on infrared detection, including controller, just tear open
Unload formula firm banking, 8 groups of infrared detecting devices；Described just detachable firm banking is fitted around in automobile chassis periphery sides
Edge, 8 groups of described infrared detecting devices are fixed on just detachable firm banking, along the four edges edge of underbody car per Bian Gebu
Put two groups, and each group is 20~40cm apart from corresponding base corner, infrared detecting device amplify through signal after with controller phase
Even, controller output end is connected with automobile brake system circuit；And all connecting lines are along just detachable firm banking and automobile
Installed between chassis.8 groups of described infrared detecting devices, each group respectively has a bigness scale away from infrared detecting device and accurate measurement away from red
Outer detection means, described bigness scale is that 0.5~5cm, measurement range are 50~150cm, institute away from infrared detecting device certainty of measurement
The accurate measurement stated away from infrared detecting device certainty of measurement be 1~5mm, measurement range be 10~30cm.Described infrared detecting device
Away from ground level at least 5cm.
Described controller collects the range information that bigness scale feeds back to away from infrared detecting device first, advance with controller
The first threshold of setting compares, if detecting distance is less than first threshold, controller control starts accurate measurement away from infrared detecting device,
According to the range information that accurate measurement feeds back to away from infrared detecting device, compare with Second Threshold set in advance in controller, if inspection
Find range from less than Second Threshold, then controller control brake system circuit triggering is braked and reminds driver by warning device.
The infrared detecting device installation site should be close to automobile chassis outer edge.Can be more under limited measurement range
Early detect the obstacle in driving conditions.
The bigness scale is detected after first threshold set by controller is less than away from infrared detecting device, can be by control
Device sends alarm signal but will not trigger brake system using human-computer interaction interface to driver, only when accurate measurement is away from infrared detection
Device detects distance less than after Second Threshold set by controller, and controller is just understood and be alarmed to driver simultaneously and trigger brake
System, plays early warning and protection double action.
Controller can be contacted by man-machine interface and human-computer interaction interface with driver in the present invention, and driver can select
Select and be turned on and off anti-misoperation brake system, predetermined threshold distance can be adjusted, it is also possible to after false alarm is confirmed as, clearly
Except corresponding triggering brake.This enhance operability and the flexibility of system.For two groups of infrared inspections that vehicle front is installed
Survey for device, the barrier such as its child, short roadblock mainly for height less than headstock height；Installed for rear view of vehicle
Two groups of infrared detecting devices for, its mainly for reversing when driver's sight line on inconvenience, prevent reversing touch by mistake；For car
For four groups of infrared detecting devices of two side corners, it is crossing narrow hallways, street or in horse mainly for driver
Prevent from being touched by mistake caused by being blocked because of sight line when being stopped near the serratd edge of road.Bigness scale and accurate measurement reduce the erroneous judgement of system, reduce mistake
False alarm rate.The system can effectively improve traffic safety performance, there is larger sight line blind area especially for such as engineering truck etc.
Oversize vehicle is very necessary.
Brief description of the drawings
Fig. 1 is the scheme of installation of infrared detecting device in the present invention.
Fig. 2 uses process schematic for the present invention, it can be seen that due to that cannot observe short barrier caused by vision blind spot
Hinder thing, and vehicle is just driving towards the schematic diagram of low obstructions, infrared detecting device can detect obstacle.
Fig. 3 is built-in system control flow chart.
In figure, 1-8 group infrared detecting devices, 2-wiring, 3-just detachable firm banking are installed.
Specific embodiment
Below in conjunction with accompanying drawing and case study on implementation, the present invention will be further described.
Exemplary embodiment is as follows：It is bigness scale and accurate measurement per component as shown in figure 1, having 8 groups of infrared detecting devices
Each one, on just detachable firm banking, by the connection being fixed in the just internal clearance of detachable firm banking
The installation wiring of infrared detecting device is connected with controller and power supply.Detachable firm banking is arranged on automobile chassis periphery sides
Edge, annularly around；8 groups of infrared detecting devices are distributed in the four edges edge of underbody car at 20~40cm of base corner,
Per each two groups of side, infrared launcher alignment automobile external, perpendicular to place chassis sideline.
As shown in Fig. 2 automobile is travelled to the left, because driver's height of sighting line is stopped by automobile body, it is difficult to observe
Barrier on the left of vehicle body, travelling to the left or only rely on if inertia is travelled without skidding to the left if now continuation acceleration has
Barrier may be bumped against；And sideline on the left of automobile chassis is located near the infrared detecting device of headstock to emission infrared ray, touch
Infrared reflection returns to the receiving terminal of infrared detecting device after to barrier, and receiving terminal receives the infrared signal being reflected back
Range information is recorded and transmitted, controller is passed information to by the amplifier in circuit；Because infrared detecting device is installed
Under automobile chassis, therefore the terrain clearance of place test position is slightly below the terrain clearance of automobile chassis, it is thus possible to ensure
When should be not detected by barrier under height, automobile chassis can pass through road surface.
As shown in figure 3, controller regulates and controls as central control unit to whole maloperation brake system, its input letter
Number source has bigness scale away from infrared detecting device, accurate measurement away from infrared detecting device and outside manual control；Bigness scale is filled away from infrared detection
Put when detecting with the distance between barrier less than given threshold, controller sends early warning signal to early warning system, and prompting is driven
Sail people and check vehicle-surroundings barrier, after barrier to be cleaned, infrared detecting device can't detect barrier, and early warning signal is automatic
Release, or in the case of system erroneous judgement, driver can make controller release early warning signal by human-computer interaction interface；Bigness scale
After detecting small distance away from infrared detecting device, controller except to early warning system send early warning signal in addition to, also to accurate measurement away from red
Outer detecting system sends work request signal, and accurate measurement is started working away from infrared detection system, if accurate measurement is away from infrared detection system
Small distance signal is not detected by, to ensure that safety early warning signal will not be released, it is necessary to after driver's inspection vehicle-surroundings road conditions certainly
Row is released, if accurate measurement detects small distance signal away from infrared detection system, by controller to brake system sending signal,
Triggering brake system, its priority is higher than throttle system, i.e., when vehicle is because of inertia continuation traveling or when driver's mis-accelerator pressing,
System still performs brake function brake hard vehicle；If led because system erroneous judgement occurs in detection means failure etc. in above process
When causing triggering brake system, driver can release command adapted thereto by human-computer interaction interface using controller.
The above merely with left side one group of infrared detecting device, for detecting the car when driver's sight line is blocked
The barrier in left side, other detections and control as vehicle front, rear, right side have barrier obviously can be by the present invention
It is achieved, when driver is by mistake by throttle as brake, if meeting barrier in traveling way, the present invention can also realize urgent system
It is dynamic, therefore above-mentioned is the preferred embodiments of the present invention, is not intended to limit the invention.
Claims (4)
1. a kind of anti-misoperation brake system based on infrared detection, it is characterised in that：Including controller, just detachable fixes bottom
Seat (3), 8 groups of infrared detecting devices (1)；Described just detachable firm banking is fitted around in automobile chassis peripheral edge, institute
The 8 groups of infrared detecting devices stated are fixed on just detachable firm banking, and two are respectively arranged per side along the four edges edge of underbody car
Group, and each group is 20~40cm apart from corresponding base corner, infrared detecting device is connected after amplifying through signal with controller, controls
Device output end processed is connected with automobile brake system circuit；And all connecting lines along just detachable firm banking and automobile chassis it
Between install.
2. the anti-misoperation brake system based on infrared detection according to claim 1, it is characterised in that：Described 8 groups
Infrared detecting device, each group respectively has a bigness scale away from infrared detecting device and accurate measurement away from infrared detecting device, described bigness scale
Away from infrared detecting device certainty of measurement be 0.5~5cm, measurement range be 50~150cm, described accurate measurement is away from infrared detecting device
Certainty of measurement is 1~5mm, measurement range is 10~30cm.
3. the anti-misoperation brake system based on infrared detection according to claim 1, it is characterised in that described is infrared
Detection means is away from ground level at least 5cm.
4. the anti-misoperation brake system based on infrared detection according to claim 1, it is characterised in that：Described control
Device collects the range information that bigness scale feeds back to away from infrared detecting device first, with first threshold ratio set in advance in controller
Compared with if detecting distance is less than first threshold, controller control starts accurate measurement away from infrared detecting device, according to accurate measurement away from infrared inspection
The range information that device feeds back to is surveyed, is compared with Second Threshold set in advance in controller, if detecting distance is less than the second threshold
Value, then controller control brake system circuit triggering is braked and reminds driver by warning device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710051386.2A CN106904120A (en) | 2017-01-23 | 2017-01-23 | A kind of anti-misoperation brake system based on infrared detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710051386.2A CN106904120A (en) | 2017-01-23 | 2017-01-23 | A kind of anti-misoperation brake system based on infrared detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106904120A true CN106904120A (en) | 2017-06-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710051386.2A Pending CN106904120A (en) | 2017-01-23 | 2017-01-23 | A kind of anti-misoperation brake system based on infrared detection |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112270873A (en) * | 2020-09-28 | 2021-01-26 | 中电海康集团有限公司 | Subject two-driving training teaching system |
| CN115056900A (en) * | 2022-06-22 | 2022-09-16 | 南通大学 | Novel balance car using infrared emergency braking system and working method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010026762A1 (en) * | 2010-07-10 | 2011-03-10 | Daimler Ag | Method for assisting parking process of motor vehicle i.e. passenger car, at objects, involves measuring approach speed of motor vehicle at objects, and starting automatic brake intervention if approach speed exceeds plausibility speed |
| CN203651689U (en) * | 2014-01-20 | 2014-06-18 | 江西科技学院 | Automobile reversing safety locking device |
| CN204172883U (en) * | 2014-11-06 | 2015-02-25 | 汪阳 | Automobile-used infrared-sensing type autobrake system |
| CN204415366U (en) * | 2015-02-08 | 2015-06-24 | 江西应用技术职业学院 | A kind of automobile with dead-man's device |
-
2017
- 2017-01-23 CN CN201710051386.2A patent/CN106904120A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010026762A1 (en) * | 2010-07-10 | 2011-03-10 | Daimler Ag | Method for assisting parking process of motor vehicle i.e. passenger car, at objects, involves measuring approach speed of motor vehicle at objects, and starting automatic brake intervention if approach speed exceeds plausibility speed |
| CN203651689U (en) * | 2014-01-20 | 2014-06-18 | 江西科技学院 | Automobile reversing safety locking device |
| CN204172883U (en) * | 2014-11-06 | 2015-02-25 | 汪阳 | Automobile-used infrared-sensing type autobrake system |
| CN204415366U (en) * | 2015-02-08 | 2015-06-24 | 江西应用技术职业学院 | A kind of automobile with dead-man's device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112270873A (en) * | 2020-09-28 | 2021-01-26 | 中电海康集团有限公司 | Subject two-driving training teaching system |
| CN115056900A (en) * | 2022-06-22 | 2022-09-16 | 南通大学 | Novel balance car using infrared emergency braking system and working method |
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Application publication date: 20170630 |
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| RJ01 | Rejection of invention patent application after publication |