CN104401248B - Automobile wading warning and protection system and control method thereof - Google Patents
Automobile wading warning and protection system and control method thereof Download PDFInfo
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- CN104401248B CN104401248B CN201410559829.5A CN201410559829A CN104401248B CN 104401248 B CN104401248 B CN 104401248B CN 201410559829 A CN201410559829 A CN 201410559829A CN 104401248 B CN104401248 B CN 104401248B
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Abstract
A kind of automobile wading warning and protection system and control method thereof, described system includes Engine ECU and the Automobile Igniting Control module being connected with Engine ECU and automobile Injection Control module；Also include: at least two group level sensors, by alert level from low to high, be arranged at from low to high on body of a motor car；The position that the level sensor of the highest alert level is arranged connects Engine ECU less than the air filter air inlet position of automobile, its signal output part；Miniature ECU, its signals collecting end connect described in the signal output part of at least two group level sensors, the instruction output end of miniature ECU connects air intake duct choke and water level caution lamp；Micro power, is connected with the feeder ear of miniature ECU；Air intake duct choke, is arranged on the air intake duct of automobile, controls the keying of air intake duct；At least two water level caution lamp, quantity is identical with the group number of level sensor.The present invention can effectively point out driver the depth of water, and effectively protection electromotor and auto electrical appliance is without damage.
Description
" technical field "
The present invention relates to sensing and field of intelligent control technology, be specifically related to a kind of automobile wading warning and protection
System and control method thereof.
" background technology "
Along with the quick of automobile quantity increased in recent years, vehicle accident quantity is occurred also to be substantially increased.Wherein,
Automobile wading, fall into rivers or the most gradually increased by automobile water logging cases such as flood inundation on tracks, the most coastal by platform
The province that storm rain is harassed, the city waterlogging caused due to heavy rain every year, brings a lot of automobile wading, water logging
Etc. case.
Automobile can gradually sink owing to the gravity of self is more than buoyancy car load when water logging, and water can be from compartment simultaneously
In vent and other inflow compartment, gap communicated with the external world, and the vehicle window closed and car door are at the outer water of car
Almost cannot open under the effect of pressure, thus passenger cannot escape from rapidly and stranded.At present, periodical at home
On deliver and describe security protection system after a kind of automobile water logging, problem that this system mainly solves and main merit
Can have: 1.ECU (Electronic Control Unit, electronic control unit, also known as car running computer) judges
Sending driving signal to vehicle window or skylight electric device after the conclusion of automobile water logging makes vehicle window or skylight with than usual
Speed is opened faster；2. design provides the airbag of buoyancy, sends out after ECU judges the conclusion of automobile water logging
Go out instruction, make solid matter generation chemical reaction produce gas, be charged into rapidly the airbag being arranged on roof and increase
Add automobile buoyancy in water, slow down the speed that automobile sinks；3. in car, set up oxygen cylinder device, it is provided that vapour
Breathing air enough after car water logging.Generally speaking, this system simply can have the more time after automobile water logging
Allow passenger inside the vehicle's safe escape vehicle, and preferably protect passenger inside the vehicle；But vehicle is protected just about not
Have.
During automobile wading, when the depth of water reaches engine air inlet tube air inlet, electromotor work can suck in a large number
Aqueous water enters cylinder, and aqueous water can not be compressed, makes engine misses, owing to crankshaft high-speed revolves
Turn and there is the biggest inertia, cylinder wall can be caused to pull, the catastrophe failure such as Remedy for Piston Damage, connecting rod bending, start
Machine fundamental need scraps process.As can be seen here, in addition to personal safety, during automobile water logging, car load computer is special
It not that automotive theft proof system all can damage because of water logging；If startup electromotor, electromotor and full car can be caused
Electrical equipment damages.
" summary of the invention "
It is desirable to provide a kind of automobile wading warning and protection system and control method thereof, work as automobile wading
Time, can effectively point out driver the depth of water, or when, after water inflow of the engine, driver cannot restart electromotor horse
Reach, thus effectively protection electromotor and auto electrical appliance are without damage.The purpose of the present invention is by techniques below scheme
Realize:
A kind of automobile wading warning and protection system, including Engine ECU and be connected with Engine ECU
Automobile Igniting Control module and automobile Injection Control module；It is characterized in that, also include: at least two group water levels
Sensor, by alert level from low to high, is arranged on body of a motor car from low to high；The highest alert level
The position that level sensor is arranged connects less than the air filter air inlet position of automobile, its signal output part
Engine ECU；Miniature ECU, its signals collecting end connect described in the signal of at least two group level sensors defeated
Going out end, the instruction output end of miniature ECU connects air intake duct choke and water level caution lamp；Micro power,
It is connected with the feeder ear of miniature ECU；Air intake duct choke, is arranged on the air intake duct of automobile, controls
The keying of air intake duct；At least two water level caution lamp, quantity is identical with the group number of level sensor.
As further technical scheme, the warning of above-mentioned automobile wading also includes destructor with protection system,
Being connected to battery terminal negative and forge iron on circuit, the ignition end of this destructor connects described miniature ECU.
As concrete technical scheme, the group number of described level sensor is three groups, first group of level sensor
It is arranged at vehicle body lower position, is used for sensing relatively low water level；It is relative that second group of level sensor is arranged at vehicle body
The position that first group of level sensor is slightly higher, for sensing slightly higher water level；3rd group of level sensor is arranged
In the position that vehicle body is slightly higher relative to second group, less than automotive air intake pipe position, for sensing the highest safety level.
As concrete technical scheme, described often group level sensor includes two, left and right, each level sensor
Specifically being arranged as of device: about first group two level sensors are installed on inside front bumper near lower limb
The left and right sides；On the left of in the of 3rd group, level sensor is installed on air filter air inlet position, right side water level
Sensor is installed on inside right flank daughter board；About second group two level sensors are installed in left and right daughter board
Side.
As concrete technical scheme, described level sensor is provided with preventing water drops guard shield.
As concrete technical scheme, described air intake duct choke includes that choke, choke control electricity
Magnet valve, wind-proof door control device, choke is installed in the middle of air intake duct, and choke controls electromagnetic valve with miniature
ECU electrically connects, and is used for receiving miniature ECU signal, controls wind-proof door control device work, and choke controls
Device controls the keying of the choke in the middle of air intake duct.
The warning of a kind of above-mentioned automobile wading and the control method of protection system, comprise the following steps:
(1) alert level and at least two water level caution lamp of described at least two group level sensors are pressed warning
The arrangement information of rank is recorded in miniature ECU；
(2) miniature ECU judges whether other level sensors of non-highest level sense water level signal,
It is then that miniature ECU controls other water level caution lamps of non-highest level and lights accordingly, does not otherwise respond；
(3) miniature ECU and Engine ECU judge whether other level sensors of highest level are felt simultaneously
Measuring water level signal, be, miniature ECU controls the water level caution lamp of highest level and lights, Engine ECU simultaneously
Control Automobile Igniting Control module and automobile Injection Control module makes electromotor stop working immediately, otherwise return step
(2)。
As concrete technical scheme, said method also includes: connect quick-fried on battery terminal negative forges iron circuit
Explosion unit, connects described miniature ECU by the ignition end of this destructor, when miniature ECU judges highest level
Other level sensors when sensing water level signal, also control destructor and blow up battery terminal negative.
As concrete technical scheme, the group number of described level sensor is three groups, first group of level sensor
It is arranged at vehicle body lower position, is used for sensing relatively low water level；It is relative that second group of level sensor is arranged at vehicle body
The position that first group of level sensor is slightly higher, for sensing slightly higher water level；3rd group of level sensor is arranged
In the position that vehicle body is slightly higher relative to second group, less than automotive air intake pipe position, for sensing the highest safety level.
As concrete technical scheme, described often group level sensor includes two, left and right, described miniature ECU
With Engine ECU judge level sensor whether sense water level signal be often organize left and right two sensors equal
Sense water level signal to be as the criterion.
Invention major advantage of the present invention is embodied in: 1. by the water level caution lamp lamp of different stage, driver can be clear
Chu grasps the automobile wading degree of depth, for vehicle by taking correct operation, simultaneously as the warning of personal safety；.
When fording depth is too high, start function to stop working immediately, and due to negative pole forge iron circuit disconnect, can be the most anti-
Only driver's maloperation starts electromotor, brings the serious infringement to electromotor；Also Engine ECU can be protected
With auto electrical appliance element.
" accompanying drawing explanation "
Fig. 1 warns and the composition block diagram of protection system for the automobile wading that the embodiment of the present invention provides.
" detailed description of the invention "
As it is shown in figure 1, the automobile wading that the present embodiment provides warns and protection system, except including that automobile is former
Outside Engine ECU, Automobile Igniting Control module and automobile Injection Control module, also include: three including of having
Group level sensor, micro power, miniature ECU, air intake duct choke, destructor and three water
Position warning lamp.
Often group level sensor includes two, left and right, is distributed in vehicle body both sides.Three groups of level sensors are arranged at
Sensed positions of paddling different on vehicle body, senses the water level of different depth from shallow to deep.First group of level sensor
Device is arranged at vehicle body lower position, is used for sensing relatively low water level；Second group of level sensor is arranged at vehicle body phase
To first group of slightly higher position, for sensing slightly higher water level；3rd group of level sensor is arranged at vehicle body phase
To second group of slightly higher position, less than automotive air intake pipe position, for sensing the highest safety level.Water level passes
Sensor is specifically arranged as: a left side 1 is identical with right 1 setting height(from bottom), is installed on inside front bumper near lower limb
Place, is positioned at vehicle body lower position, is used for sensing relatively low water level；Left 3 are installed on air filter air inlet position
Putting place, right 3 are installed on inside left 3 mutually level right flank daughter boards；A left side 2 is identical with right 2 setting height(from bottom)s,
Middle between left 1 and left 3, is separately mounted to inside left and right daughter board.Six level sensors
All electrically connect with miniature ECU, the water level information gathered accordingly is inputed to miniature ECU.
Miniature ECU, micro power are all installed on below facia board, and miniature ECU is used for receiving and locating
Reason level sensor signal, and send instruction and make corresponding executor (include air intake duct choke, quick-fried
Explosion unit and three warning lamps) work；Micro power is direct current 12V power supply, for providing for miniature ECU
Power supply.
Three water level caution lamps are respectively blue warning lamp, Amber Alerts lamp, red warning lamp, all with miniature
ECU electrically connects.Blue warning lamp, Amber Alerts lamp, red warning lamp be respectively used to respond first group, the
The sensing signal of two groups, the 3rd group level sensors, for display alert level from low to high, is carried out not
Report to the police with the depth of water of the degree of depth.
Air intake duct choke includes that choke, choke control electromagnetic valve, wind-proof door control device, resistance
Air door is installed in the middle of air intake duct, and choke controls electromagnetic valve and electrically connects with miniature ECU, is used for receiving miniature
ECU signal, makes wind-proof door control device work, and is closed by the choke in the middle of air intake duct, to prevent liquid
Water flows into engine cylinder.
Destructor is installed in the middle of automobile storage battery minus earth circuit, receives the guiding detonating controlling of miniature ECU
Signal, destructor is ignited and is disconnected battery terminal negative bonding circuit by force.
Shown in Figure 1, the warning of above-mentioned automobile wading and the water-level alarm control principle and method analysis of protection system
It is described as follows:
When running car is when paddling road surface, and the depth of water degree of depth reaches level sensor 1, signal is transmitted by sensor
Sending instruction to miniature ECU, miniature ECU makes installation blue alarm lamp on the dash panel light, to remind
The degree of depth that driver paddles.When fording depth reaches level sensor 2, miniature ECU sends instruction by indigo plant
Color is lighted with yellow indicator lamp simultaneously, reminds driver to answer careful driving, sails out of region of paddling as early as possible.When relating to
When water depth reaches air filter air inlet, Engine ECU receives level sensor 3 signal, controls electromotor
Igniting and oil spout module, make electromotor stop working immediately；Meanwhile, miniature ECU receives the letter of level sensor 3
Number, execution instruction will be sent and make instrument board red light light to instrument alarm lamp, and remind driver to stop working also immediately
Vehicle is pushed away region of paddling.Meanwhile, when fording depth exceedes level sensor 3, miniature ECU receives
Control air inlet pipe choke to water level signal immediately, make the choke in the middle of air inlet pipe close rapidly, resistance
Sealing sucks engine cylinder, to protect electromotor.
Additionally, when fording depth exceedes level sensor 3, miniature ECU receives water level signal and controls immediately
System be connected to battery terminal negative forge iron circuit destructor work, disconnect battery terminal negative by force, prevent from driving
The person of sailing is again started up electromotor, protection Engine ECU and car load electric elements.
Prevent ECU from judging measure by accident: many times, due to rainy, carwash or the water wave travelled of paddling, single
Sensing easily " accidentally " sends water logging signal to ECU, and this just requires that protection device and ECU have standard
True judgement.Major measure has: 1) structurally, each sensor is placed in a protective cover (see
Accompanying drawing), protective cover has a lot of aperture, is designed with facing attachment in aperture, and this structure can prevent from splashing
Water enter protective cover, but the water of water logging can enter, and effectively reduces the erroneous judgement of ECU；2) at design ECU
During the program of controller, it should read to sensing is " current " signal rather than simple " having water "
Signal.The judgment basis of miniature ECU is that the mutually level level sensor in left and right is simultaneously emitted by signal.
The major function of the present invention has: 1. when automobile wading travels, and can automatically monitor the depth of water, reminds driver to adopt
Take correct operation and sail out of region of paddling, or should stop working rapidly to push away automobile when the depth of water reaches air inlet and relate to
Aqua region；2. setting up valve in air inlet pipe, this valve is controlled by the miniature ECU individually installed additional, works as air inlet
During water inlet tube, miniature ECU controls valve closing, stops aqueous water to enter engine cylinder；3. work as air inlet pipe
During water inlet, Engine ECU makes electromotor stop working immediately；4. reach air inlet pipe when the automobile wading degree of depth, miniature
ECU sends instruction and makes to be connected to the apparatus to cause bursting work of battery terminal negative bonding circuit, blows up accumulator bonding
Circuit, to protect engine computer and car load electrical equipment.
Above example is only the fully open and unrestricted present invention, based on the present invention innovate purport, without
The replacement of the equivalence techniques feature of creative work, it should belong to the scope that the application discloses.
Claims (6)
1. automobile wading warning with protection system a control method, described system include Engine ECU and with
The Automobile Igniting Control module of Engine ECU connection and automobile Injection Control module；Also include: at least two groups
Level sensor, by alert level from low to high, is arranged on body of a motor car from low to high；The highest warning level
The position that other level sensor is arranged is less than the air filter air inlet position of automobile, its signal output part
Connect Engine ECU；Miniature ECU, its signals collecting end connect described in the letter of at least two group level sensors
Number outfan, the instruction output end of miniature ECU connects air intake duct choke and water level caution lamp；Miniature
Power supply, is connected with the feeder ear of miniature ECU；Air intake duct choke, is arranged on the air intake duct of automobile,
Control the keying of air intake duct；At least two water level caution lamp, quantity is identical with the group number of level sensor；
It is characterized in that, described control method comprises the following steps:
(1) alert level and at least two water level caution lamp of described at least two group level sensors are pressed warning
The arrangement information of rank is recorded in miniature ECU；
(2) miniature ECU judges whether other level sensors of the highest non-alert level sense water level letter
Number, it is that miniature ECU controls the water level caution lamp of the highest non-alert level and lights accordingly, does not otherwise respond；
(3) miniature ECU and Engine ECU judge whether the level sensor of the highest alert level is felt simultaneously
Measuring water level signal, be, miniature ECU controls the water level caution lamp of the highest alert level and lights, and starts simultaneously
Machine ECU controls Automobile Igniting Control module and automobile Injection Control module makes electromotor stop working immediately, otherwise returns
Return step (2).
Automobile wading the most according to claim 1 warning and the control method of protection system, it is characterised in that
Described level sensor is provided with preventing water drops guard shield.
Automobile wading the most according to claim 1 warning and the control method of protection system, it is characterised in that
Described air intake duct choke includes that choke, choke control electromagnetic valve, wind-proof door control device, resistance
Air door is installed in the middle of air intake duct, and choke controls electromagnetic valve and electrically connects with miniature ECU, is used for receiving miniature
ECU signal, controls wind-proof door control device work, and wind-proof door control device controls the choke in the middle of air intake duct
The keying of door.
Automobile wading warning and the control method of protection system the most according to claim 1, it is characterised in that also
Including: on battery terminal negative forges iron circuit, connect destructor, the ignition end of this destructor is connected institute
State miniature ECU, when the level sensor that miniature ECU judges the highest alert level senses water level signal,
Also control destructor and blow up battery terminal negative.
Automobile wading warning and the control method of protection system the most according to claim 1, it is characterised in that institute
The group number stating level sensor is three groups, and first group of level sensor is arranged at vehicle body lower position, is used for feeling
Survey relatively low water level；Second group of level sensor is arranged at the position that vehicle body is slightly higher relative to first group of level sensor,
For sensing slightly higher water level；3rd group of level sensor is arranged at the position that vehicle body is slightly higher relative to second group,
Less than automotive air intake pipe position, for sensing the highest safety level.
6. according to the control method of automobile wading warning described in claim 1,4 or 5 with protection system, its feature
Being, described often group level sensor includes that two, left and right, described miniature ECU and Engine ECU judge
Whether level sensor senses water level signal is often to organize two sensors in left and right all to sense water level signal and be
Accurate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410559829.5A CN104401248B (en) | 2014-10-20 | 2014-10-20 | Automobile wading warning and protection system and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410559829.5A CN104401248B (en) | 2014-10-20 | 2014-10-20 | Automobile wading warning and protection system and control method thereof |
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| CN104401248A CN104401248A (en) | 2015-03-11 |
| CN104401248B true CN104401248B (en) | 2016-09-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107757470A (en) * | 2017-09-25 | 2018-03-06 | 南京律智诚专利技术开发有限公司 | A kind of automobile wading warning system based on ultrasonic wave |
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| CN104713613B (en) * | 2015-04-11 | 2019-03-01 | 威马汽车科技集团有限公司 | A kind of water level recognition methods of the outer water level monitoring of vehicle and skylight opening device |
| CN105329165B (en) * | 2015-09-16 | 2017-11-07 | 重庆长安汽车股份有限公司 | A kind of automobile wading depth alarm device |
| CN105253060B (en) * | 2015-11-06 | 2018-10-02 | 南京理工大学 | Vehicle-mounted fording depth detection and prior-warning device |
| CN106401760B (en) * | 2016-08-31 | 2018-04-27 | 北京小米移动软件有限公司 | Engine control, device and vehicle |
| CN106184094A (en) * | 2016-09-21 | 2016-12-07 | 西安培华学院 | The self-help apparatus of a kind of motor-vehicle wading and method |
| CN107539259B (en) * | 2017-09-12 | 2023-09-22 | 北京汽车集团越野车有限公司 | Grille control device and automobile |
| US10928239B1 (en) | 2019-10-08 | 2021-02-23 | Ford Global Technologies, Llc | Wheel depth water capacitive fender molding |
| CN111634187A (en) * | 2020-05-18 | 2020-09-08 | 广汽本田汽车有限公司 | Wading protection device for vehicle |
| CN112373299A (en) * | 2020-10-16 | 2021-02-19 | 东风汽车集团有限公司 | Vehicle wading detection device and using method thereof |
| CN113232563B (en) * | 2021-05-25 | 2023-03-31 | 重庆长安汽车股份有限公司 | Vehicle-mounted wading rescue system |
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| JP2000043659A (en) * | 1998-07-27 | 2000-02-15 | Fujikura Ltd | Submersion detector for automobile |
| JP4717751B2 (en) * | 2006-08-21 | 2011-07-06 | 京楽産業．株式会社 | Pachinko machine and control method thereof |
| CN202106839U (en) * | 2011-05-05 | 2012-01-11 | 张兆富 | Automobile electronic wading device |
| CN203126536U (en) * | 2013-01-07 | 2013-08-14 | 浙江吉利汽车研究院有限公司杭州分公司 | Vehicle wading auxiliary device |
| CN203221885U (en) * | 2013-04-28 | 2013-10-02 | 安徽江淮汽车股份有限公司 | Vehicle wading early warning system and vehicle drowning early warning system |
| CN103569012B (en) * | 2013-11-19 | 2016-09-14 | 浙江吉利汽车研究院有限公司 | A kind of vehicle is paddled safety guard |
| CN203854562U (en) * | 2014-04-24 | 2014-10-01 | 北京汽车研究总院有限公司 | Waterlogged vehicle warning system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107757470A (en) * | 2017-09-25 | 2018-03-06 | 南京律智诚专利技术开发有限公司 | A kind of automobile wading warning system based on ultrasonic wave |
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