CN109733130A - A kind of automobile flat tire fast aeration control system - Google Patents
A kind of automobile flat tire fast aeration control system Download PDFInfo
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- CN109733130A CN109733130A CN201910095187.0A CN201910095187A CN109733130A CN 109733130 A CN109733130 A CN 109733130A CN 201910095187 A CN201910095187 A CN 201910095187A CN 109733130 A CN109733130 A CN 109733130A
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- tire
- pressure
- controller
- acceleration
- change rate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Measuring Fluid Pressure (AREA)
- Air Bags (AREA)
Abstract
The invention discloses a kind of automobile flat tire fast aeration control systems, including pressure sensor, acceleration transducer, gas generator, controller and driving circuit；The pressure sensor transmits a signal to controller for detecting pressure in tire；Acceleration transducer is used to detect the tangential acceleration of tire, and normal acceleration transmits a signal to controller；Controller is used to receive the signal that pressure sensor and acceleration transducer are sent, and analyzes its change rate, controls whether gas generator is opened by driving circuit according to data analysis.The present invention obtains the tire pressure of tire and the value of motion state, whether judging automobile tire normally by pressure sensor and acceleration transducer.When occurring promptly to blow out, fast aeration ensures the normally travel of automobile, thus because out of control caused by vibration and friction are uneven after avoiding automobile flat tire.
Description
Technical field
The present invention relates to the safety device of automobile tire, a kind of specifically automobile flat tire fast aeration control system.
Background technique
Related statistical data is shown, in traffic accident on a highway, 10% be due to caused by tire fault, and
It wherein blows out one and just accounts for tire fault causes accident total amount 70% or more, so research automobile flat tire phenomenon is very urgent.
Traffic ministerial standard " operating passenger car safety specification " (JT1094-2016) clear stipulaties: vehicle commander is greater than the battalion of 9m
Fortune car front-wheel must install emergency safety device of blowing out.
National standard " motor vehicle safe and technical specification " (GB7258-2017) clear stipulaties: dedicated school bus, Che Chang great
In the deflecting roller of Dangerous Goods Transport lorry of the car and gross mass in not set passenger's standing area of 9m greater than 3500kg, answer
Equip tyre explosion emergency protective device.Tyre explosion emergency safety device will become indispensability on medium-and-large-sized passenger car.
Existing system for detecting tire pressure in the market, either direct-type or indirect type are only merely resting on to tire
Detection in.It blows out suddenly when automobile high-speed, there is no effective solutions.
Summary of the invention
Object of the present invention is to: a kind of automobile flat tire fast aeration control system is provided, to the operating status of automobile tire
Real-time monitoring, when occur promptly blow out when, fast aeration ensures the normally travel of automobile, thus after avoiding automobile flat tire because
It is out of control caused by vibration and friction are uneven.
The technical scheme is that a kind of automobile flat tire fast aeration control system, including pressure sensor, acceleration
Sensor, gas generator, controller and driving circuit；The pressure sensor is for detecting pressure in tire, and by signal
It is transferred to controller；The acceleration transducer is used to detect the tangential acceleration of tire, and normal acceleration transmits a signal to
Controller；The controller is used to receive the signal that pressure sensor and acceleration transducer are sent, and analyzes its change rate, root
Control whether gas generator is opened by driving circuit according to data analysis.
Preferably, the controller is single-chip microcontroller, for pressure sensor and the collected data of acceleration transducer
Carry out data analysis.
Preferably, the driving circuit includes capacitor, relay, triode and gas generator, and working environment is
DC circuit；One end of capacitor connects power supply GND, and the other end is connect by relay with controller；Triode and relay string
Connection；When normal circuit works, the first stationary contact and capacitor of relay are connected, and circuit is to capacitor charging, and triode is at this time
Open circuit；When controller issues triggering electric signal, the second stationary contact and capacitor of relay are connected, and capacitor electric discharge triggers gas
Generator is opened, and to the air sac inner tube fast aeration for being mounted on wheel rim, ensures the normally travel of automobile.
The control method of above-mentioned automobile flat tire fast aeration control system, its step are as follows:
Step 1: parameter setting, inputs pre-set parameter ε 1, ε 2, ε 3, the ε 4 of automobile in the controller；ε 1 is setting tire
Parameter value 1 is pressed, ε 2 is the change rate of tire pressure, and ε 3 is setting tire pressure parameter value 2, and ε 4 is setting acceleration parameter；
Step 2: data acquire, the pressure sensor and acceleration transducer carry out data acquisition to tire in real time；
Step 3: data are analyzed, the controller analysis tire pressure and its change rate, the tangential acceleration for analyzing tire
And normal acceleration；
Step 4: the tire pressure P analyzed by data, pressure change rate | DpDt |, the numerical value such as absolute acceleration a with
Pre-set parameter is compared, to show whether trigger controller opens gas generator.
Wherein in third step data analyze specifically: when automobile speed be lower than 40km/h, continue data acquisition；Work as vapour
The speed of vehicle is higher than 40km/h, analyzes tire pressure P and pressure change rate at this time | DpDt |, be compared with setting value；
If tire pressure P is less than setting value ε 1 and pressure change rate at this time | DpDt | be greater than the set value ε 2, trigger controller opened
Gas generator；Conversely, continuing to analyze tire air pressure P, pressure change rate | DpDt | and absolute acceleration a；If at this time
Tire pressure P is less than or equal to setting value ε 3 and absolute acceleration a is more than or equal to setting value ε 4, and trigger controller is opened gas
Generator.
The invention has the advantages that automobile flat tire fast aeration control system of the invention, not only detects the tire of tire
Pressure and the state of movement, but when occurring promptly to blow out, fast aeration ensures the normally travel of automobile, to avoid automobile
It is after blowing out because out of control caused by vibration and friction are uneven.
Detailed description of the invention
The invention will be further described with reference to the accompanying drawings and embodiments:
Fig. 1 is the circuit diagram of automobile flat tire fast aeration control system of the invention；
Fig. 2 is the control flow chart of automobile flat tire fast aeration control system of the invention；
Wherein: 2, triode；3, capacitor；4, the first stationary contact；5, relay；6, gas generator；7, the second stationary contact.
Specific embodiment
In the following, embodiments of the present invention will be described referring to attached drawing.
As shown in attached drawing 1,2, a kind of automobile flat tire fast aeration control system, including pressure sensor, acceleration sensing
Device, gas generator, controller and driving circuit；The pressure sensor transmits signal for detecting pressure in tire
To controller；The acceleration transducer is used to detect the tangential acceleration of tire, and normal acceleration transmits a signal to control
Device；The controller is used to receive the signal that pressure sensor and acceleration transducer are sent, and analyzes its change rate, according to number
Control whether gas generator is opened by driving circuit according to analysis.
To above scheme further instruction, the controller is single-chip microcontroller, for passing to pressure sensor and acceleration
The collected data of sensor carry out data analysis.
As shown in Fig. 1, the driving circuit includes capacitor 3, relay 5, triode 2 and gas generator 6,
Working environment is DC circuit；One end of capacitor 3 connects power supply GND, and the other end is connect by relay 5 with controller 1；Three poles
Pipe 2 is connected with relay 5；When normal circuit works, the first stationary contact 4 and the capacitor 3 of relay 5 are connected, and circuit fills capacitor 3
Electricity, triode 2 is in open circuit at this time；When controller 1 issues triggering electric signal, the second stationary contact 7 and capacitor 3 of relay 5
It connects, capacitor 3 discharges, and triggering gas generator 6 is opened, and to the air sac inner tube fast aeration for being mounted on wheel rim, ensures automobile
Normally travel.
Its step are as follows for the control method of above-mentioned automobile flat tire fast aeration control system:
Step 1: parameter setting, inputs pre-set parameter ε 1, ε 2, ε 3, the ε 4 of automobile in the controller；ε 1 is that setting tire pressure is joined
Numerical value 1, ε 2 are the change rate of tire pressure, and ε 3 is setting tire pressure parameter value 2, and ε 4 is setting acceleration parameter；
Step 2: data acquire, the pressure sensor and acceleration transducer carry out data acquisition to tire in real time；
Step 3: data are analyzed, the controller analysis tire pressure and its change rate, the tangential acceleration for analyzing tire
And normal acceleration；
Step 4: the tire pressure P analyzed by data, pressure change rate | DpDt |, the numerical value such as absolute acceleration a with
Pre-set parameter is compared, to show whether trigger controller opens gas generator.
Automobile flat tire fast aeration control system of the invention, based on identification parameter and the pattern-recognition foundation of blowing out of blowing out
It blows out decision model, it is qualitative by the decision model and quantification determines that runflat condition feature reaches setting condition, then it is determined as
It blows out, wherein imposing a condition equally includes qualitative and quantitative conditions；When measured data meet setting value, single-chip microcontroller issues letter
Number instruction, trigger controller open gas generator so as to tire realize fast aeration purpose.
Automobile flat tire fast aeration control system of the invention is established complete according to the motion state mode of normal tire
Model and algorithm, determine the virtual condition of tire, by the reading data with CAN system, constantly analyze the update of data,
Realize normally with the accurate control of runflat condition.It through a large number of experiments and detects, the mode of founding mathematical models, according to need
It asks and constantly obtains data from data/address bus, to determine the pressure value and acceleration value of automobile tire in real time.The present invention is all
The data used can be directly or indirectly by sensor and in automotive system data/address bus shared data parameter.This
Invention is for the judgement blown out and blown out, and main according to tire construction parameter, state of motion of vehicle parameter is basic at these
On the basis of parameter, corresponding parameter is derived.Such as by acceleration transducer, the speed of tire is released.By the way that a system is arranged
The parameter of column controls gas generating unit.Its control method specifically: when automobile speed be lower than 40km/h, continue to count
According to acquisition；When the speed of automobile is higher than 40km/h, analysis tire pressure P and pressure change rate at this time | DpDt |, with setting
Value is compared；If tire pressure P is less than setting value ε 1 and pressure change rate at this time | DpDt | be greater than the set value ε 2, will trigger
Controller opens gas generator；Conversely, continuing to analyze tire air pressure P, pressure change rate | DpDt | and absolutely accelerate
Spend a；If tire pressure P is less than or equal to setting value ε 3 at this time and absolute acceleration a is more than or equal to setting value ε 4, triggering is controlled
Device opens gas generator.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any
Those skilled in the art all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.
Therefore, such as those of ordinary skill in the art without departing from revealed spirit of the invention under technical idea
All equivalent modifications completed or change should be covered by the claims of the present invention.
Claims (5)
1. a kind of automobile flat tire fast aeration control system, it is characterised in that: including pressure sensor, acceleration transducer, gas
Body generator, controller and driving circuit；
The pressure sensor transmits a signal to controller for detecting pressure in tire；
The acceleration transducer is used to detect the tangential acceleration of tire, and normal acceleration transmits a signal to controller；
The controller is used to receive the signal that pressure sensor and acceleration transducer are sent, and analyzes its change rate, according to
Data analysis controls whether gas generator is opened by driving circuit.
2. a kind of automobile flat tire fast aeration control system according to claim 1, it is characterised in that: the controller is
Single-chip microcontroller, for carrying out data analysis to pressure sensor and the collected data of acceleration transducer.
3. a kind of automobile flat tire fast aeration control system according to claim 2, it is characterised in that: the driving circuit
It is DC circuit including capacitor (3), relay (5), triode (2) and gas generator (6), working environment；Capacitor
(3) one end connects power supply GND, and the other end is connect by relay (5) with controller (1)；Triode (2) and relay (5)
Series connection；When normal circuit works, the first stationary contact (4) of relay (5) and capacitor (3) are connected, and circuit charges to capacitor (3),
Triode (2) is in open circuit at this time；When controller (1) issue triggering electric signal when, the second stationary contact (7) of relay (5) with
Capacitor (3) is connected, and capacitor (3) electric discharge, triggering gas generator (6) is opened, to the air sac inner tube fast aeration for being mounted on wheel rim.
4. a kind of control method of automobile flat tire fast aeration control system described in claim 1, it is characterised in that: its step
It is as follows:
Step 1: parameter setting, inputs pre-set parameter ε 1, ε 2, ε 3, the ε 4 of automobile in the controller；ε 1 is that setting tire pressure is joined
Numerical value 1, ε 2 are the change rate of tire pressure, and ε 3 is setting tire pressure parameter value 2, and ε 4 is setting acceleration parameter；
Step 2: data acquire, the pressure sensor and acceleration transducer carry out data acquisition to tire in real time；
Step 3: data are analyzed, controller analysis tire pressure and its change rate, analyze tire tangential acceleration and
Normal acceleration；
Step 4: the tire pressure P analyzed by data, pressure change rate | DpDt |, the numerical value such as absolute acceleration a and ginseng
Number setting value is compared, to show whether trigger controller opens gas generator.
Wherein in third step data analyze specifically: when automobile speed be lower than 40km/h, continue data acquisition；Work as automobile
Speed be higher than 40km/h, analysis tire pressure P and pressure change rate at this time | DpDt |, be compared with setting value；If this
When tire pressure P be less than setting value ε 1 and pressure change rate | DpDt | be greater than the set value ε 2, by trigger controller open gas hair
Raw device；Conversely, continuing to analyze tire air pressure P, pressure change rate | DpDt | and absolute acceleration a；If tire pressure at this time
P is less than or equal to setting value ε 3 and absolute acceleration a is more than or equal to setting value ε 4, and trigger controller is opened gas generator.
5. wherein in third step data analyze specifically: when automobile speed be lower than 40km/h, continue data acquisition；Work as vapour
The speed of vehicle is higher than 40km/h, analyzes tire pressure P and pressure change rate at this time | DpDt |, be compared with setting value；If
Tire pressure P is less than setting value ε 1 and pressure change rate at this time | DpDt | be greater than the set value ε 2, trigger controller opened into gas
Generator；Conversely, continuing to analyze tire air pressure P, pressure change rate and absolute acceleration a；If tire pressure P is less than at this time
Equal to setting value ε 3 and absolute acceleration a is more than or equal to setting value ε 4, and trigger controller is opened gas generator.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910095187.0A CN109733130A (en) | 2019-01-31 | 2019-01-31 | A kind of automobile flat tire fast aeration control system |
| PCT/CN2019/097191 WO2020155582A1 (en) | 2019-01-31 | 2019-07-23 | Fast inflation control system for automobile tire burst |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910095187.0A CN109733130A (en) | 2019-01-31 | 2019-01-31 | A kind of automobile flat tire fast aeration control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109733130A true CN109733130A (en) | 2019-05-10 |
Family
ID=66366930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910095187.0A Pending CN109733130A (en) | 2019-01-31 | 2019-01-31 | A kind of automobile flat tire fast aeration control system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109733130A (en) |
| WO (1) | WO2020155582A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020155582A1 (en) * | 2019-01-31 | 2020-08-06 | 苏州绿安汽车科技有限公司 | Fast inflation control system for automobile tire burst |
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| CN101018680A (en) * | 2005-06-09 | 2007-08-15 | 傅建中 | Tyre monitoring system |
| CN200977865Y (en) * | 2006-11-01 | 2007-11-21 | 谷海辉 | Tyre exploding monitor |
| CN101716873A (en) * | 2009-12-24 | 2010-06-02 | 浙江亚太机电股份有限公司 | Method for monitoring tire burst or severe air leakage of vehicle |
| CN104709006A (en) * | 2014-12-31 | 2015-06-17 | 浙江吉利汽车研究院有限公司 | Vehicle tire burst controlling device and controlling method thereof |
| CN205239027U (en) * | 2015-11-08 | 2016-05-18 | 杨文辉 | Car protection device that blows out |
| CN108297627A (en) * | 2017-01-11 | 2018-07-20 | 比亚迪股份有限公司 | Automobile flat tire is met an urgent need protective device, tire and automobile |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201703207U (en) * | 2010-04-19 | 2011-01-12 | 赵朝文 | Safety device for pneumatic tire |
| US20110272074A1 (en) * | 2010-05-05 | 2011-11-10 | Kenneth Arlen Lowery | Automatic Low Tire Inflation System (ALTIS) |
| CN204726160U (en) * | 2015-06-17 | 2015-10-28 | 北京汽车股份有限公司 | Tyre emergency gas filled device |
| CN109733130A (en) * | 2019-01-31 | 2019-05-10 | 苏州绿安汽车科技有限公司 | A kind of automobile flat tire fast aeration control system |
-
2019
- 2019-01-31 CN CN201910095187.0A patent/CN109733130A/en active Pending
- 2019-07-23 WO PCT/CN2019/097191 patent/WO2020155582A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101018680A (en) * | 2005-06-09 | 2007-08-15 | 傅建中 | Tyre monitoring system |
| CN200977865Y (en) * | 2006-11-01 | 2007-11-21 | 谷海辉 | Tyre exploding monitor |
| CN101716873A (en) * | 2009-12-24 | 2010-06-02 | 浙江亚太机电股份有限公司 | Method for monitoring tire burst or severe air leakage of vehicle |
| CN104709006A (en) * | 2014-12-31 | 2015-06-17 | 浙江吉利汽车研究院有限公司 | Vehicle tire burst controlling device and controlling method thereof |
| CN205239027U (en) * | 2015-11-08 | 2016-05-18 | 杨文辉 | Car protection device that blows out |
| CN108297627A (en) * | 2017-01-11 | 2018-07-20 | 比亚迪股份有限公司 | Automobile flat tire is met an urgent need protective device, tire and automobile |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020155582A1 (en) * | 2019-01-31 | 2020-08-06 | 苏州绿安汽车科技有限公司 | Fast inflation control system for automobile tire burst |
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| Publication number | Publication date |
|---|---|
| WO2020155582A1 (en) | 2020-08-06 |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190510 |
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| RJ01 | Rejection of invention patent application after publication |