CN206749405U - A kind of automobile tire burst prevention prior-warning device based on conducting film - Google Patents
A kind of automobile tire burst prevention prior-warning device based on conducting film Download PDFInfo
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- CN206749405U CN206749405U CN201720466206.2U CN201720466206U CN206749405U CN 206749405 U CN206749405 U CN 206749405U CN 201720466206 U CN201720466206 U CN 201720466206U CN 206749405 U CN206749405 U CN 206749405U
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- conducting film
- tire
- warning device
- device based
- automobile
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Abstract
The utility model discloses a kind of automobile tire burst prevention prior-warning device based on conducting film, including：Conducting film group, its uniform fold connect power supply on tire inner wall surface；Current sensing means, it is arranged in four corners of the conducting film；Controller, current sensing means described in its Electricity Federation, tyre damage information is determined by current information and exported.
Description
Technical field
It the utility model is related to vehicle tyre safety field, and in particular to a kind of automobile tire burst prevention early warning based on conducting film
Device.
Background technology
The traffic accident that automobile flat tire triggers at present occupies the significant proportion of summer highway traffic accident reason.Blow out original
Tire pressure is too high caused by generally overload, hypervelocity, or tire wear is serious, tire caused by sharp objects puncture delays
Slow gas leakage, when speed of operation is higher, because tire heating causes gas expansion, cause to blow out so as to break through damaged part.Wheel
The unexpected explosion of tire, driver have little time to control vehicle, easily cause to break away, so as to hit, turn on one's side and roll away from the friendship in track
Interpreter's event.
At present, avoid blowing out initiation traffic accident in addition to specification drives, system for detecting tire pressure turns into many automobiles
Security configuration.Device for monitoring tyre pressure can be divided into two kinds now：One kind is indirect type tire pressure monitoring system, also known as WSBTPMS.
WSBTPMS is needed by the wheel speed sensors of the anti-blocking brake system of automobile come the rotating speed difference between comparative tire, with up to
To the purpose of monitoring tire pressure, when tire pressure reduces, the weight of vehicle can make diameter of tyres diminish, and speed will produce change
Change, speed change will trigger WSBTPMS and pass through instrument display alarm.Second, direct-type tire pressure monitoring system, also known as
PSBTPMS, PSBTPMS are to measure the air pressure of tire and temperature using the pressure sensor in the tire, using wireless
Pressure information is sent to the system in central receiver module by transmitter from inside tires, and then tire pressure information is carried out
Display.When high pressure occurs in tire, low pressure, during high temperature, system will alarm car owner.
Although tire pressure detecting device now can remind car owner's tire pressure insufficient, asked so as to remind car owner's tire to be likely to occur
Topic, checks tire in time, but can not distinguish air loss leakage or tire in normal tire and be pricked to be damaged causes to delay
Slow gas leakage, when then being pricked in tire and puncturing thing and remain in wheel tyre cavity and cause extremely slow gas leakage, tire pressure will show it is normal, this
When car owner run at high speed, potential safety hazard can be left.Rise and squeegee action when galloping due to tyre temperature,
Vibration, it can cause to puncture thing and extrude suddenly, tire moment blows out rapidly the generation that results in an automobile accident.It can be seen that device for monitoring tyre pressure is examined now
Survey accuracy and promptness is not high, can not also inform that tire is pricked impaired concrete position, add the difficulty and dimension for searching leak source
Repair man-hour.
Electrically conducting transparent membrane preparation technology is more ripe at present, in recent years, use of the conducting film in terms of civilian industry, also day
Become extensive.The windshield Electric radiant Heating Film such as civil aircraft, electric locomotive, automobile, energy-conservation building glass, build breath photograph and liquid
Brilliant color TV, water construction safety etc. is obtained for application.The utility model is directed to solving by conductive membrane technology
After tyre puncture and alarm and wound are accurately positioned problem.
Utility model content
The utility model has designed and developed a kind of automobile tire burst prevention prior-warning device based on conducting film, reality of the present utility model
It is by conducting film rational deployment with new purpose, solving tire can be to gas leakage when being punctured moment, gas leakage not yet occurring
The problem of situation is accurately and timely alarmed.
Technical scheme provided by the utility model is：
A kind of automobile tire burst prevention prior-warning device based on conducting film, including：
Conducting film group, its uniform fold connect power supply on tire inner wall surface；
Current sensing means, it is arranged in four corners of the conducting film；
Controller, current sensing means described in its Electricity Federation, tyre damage information is determined by current information and exported.
Preferably, the conducting film is the resistance grids matrix that a plurality of conductive filament Orthogonally arrangement is formed, and described
The corresponding conductive filament equivalent resistance of each side length of element in grid matrix.
Preferably, in addition to：Buzzer and damaged coordinate display；
Wherein, the damaged coordinate display includes：
Worn tire indicator lamp, it is the background light of four groups of circular arrangements, corresponds the tire of automobile respectively；
Conducting film damage location indicator lamp, it is arranged in the background light of circular arrangement in sphere of movements for the elephants type, corresponds to institute respectively
State the conducting film in tire；
Damaged conducting film numbering display screen, it is arranged on below the conducting film damage location indicator lamp, for indicating brokenly
Damage conducting film numbering.
Preferably, the conducting film is arranged to square, and its length of side is wide equal with the tire of the tire.
Preferably, the controller is adhered on the tire sidewall inwall.
The utility model possessed beneficial effect compared with prior art：
1st, the automobile tire burst prevention early warning system described in the utility model based on conducting film compensate for that tire scratched can not
And the defects of alarm, avoiding slow leak phenomenon caused tyre explosion, very first time in high temperature ensure that running car
In safety, and reduce driver check tire trouble；
2nd, the automobile tire burst prevention early warning system described in the utility model based on conducting film can more accurately find wheel
The wound of tire, and driver is notified by vehicle-mounted digital displaying meter in time, and facilitate maintenance personal to refer to and be used to detect leak source and benefit
Tire, detection efficiency improve conductive film several times, and piece number is more, and detection efficiency is faster；
3rd, the Tire Explosion-proof early warning system described in the utility model based on conducting film utilizes new material, cost
It is low, light weight, and do not influence tire intensity and original structure；
4th, the automobile tire burst prevention early warning system described in the utility model based on conducting film need to only press after tire is punctured
More solito tire patching mode repairs tire, very little on future usage influence without repairing conducting film, is the life-cycle one with tire
Body expendable consumed product.
Brief description of the drawings
Fig. 1 is the position of automobile tire burst prevention prior-warning device in the car described in the utility model based on conducting film
Schematic diagram.
Fig. 2 is arrangement figure of the detection means on tire in wheel described in the utility model.
Fig. 3 is monolithic conducting film circuit diagram described in the utility model.
Fig. 4 is the electrical schematic diagram of detection means in wheel described in the utility model.
Fig. 5 is the electrical schematic diagram of in-car warning device described in the utility model.
Fig. 6 is the damaged coordinate display interface schematic diagram of in-car warning device described in the utility model.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to explanation
Book word can be implemented according to this.
The utility model provides the described automobile tire burst prevention early warning system based on conducting film and is divided into two large divisions：
1. detection means in wheel
Detection means is arranged in inside tires in wheel, is embedded in tire inner wall；Mainly include conducting film group, judge single-chip microcomputer
With wireless transport module three parts.
Conducting film group is composed in parallel by more sheets of conductive film, the electricity that every conducting film is made up of a plurality of conductive filament Orthogonally arrangement
Matrix is hindered, the parallel spacing compositive index tire between adjacent conductive silk is pierced into species size to determine；Conductive filament is addition
Type electrically-conducting paint, the materials such as electrically conductive particles, curing agent, auxiliary agent composition, the resistance of this conductive filament are added in polyethylene coating
Uniformly, there is certain elasticity and toughness, it is not broken because of the deformation of tire in normally travel.Every piece of conduction
Film is typically designed as square, can also be designed to other shapes as needed；The quantity for the conducting film arranged on one tire according to
Selected according to the specification of tire.The recommendation of the square conductive film length of side is wide equal to tire, can also select arbitrary dimension as needed, multiple to lead
Electrolemma composition conducting film group covering tyre crown inwall.Conducting film group is attached on the inside of tyre crown rower of going forward side by side according to certain order
Number, there is current sensing means every conducting film corner, and current sensing means is with judging that single-chip microcomputer is connected.Endangered when being produced on tire
During dangerous scar, the conductive filament of conducting film relevant position also rupture failure, diverse location generation breakage can make each region electricity therewith
Different changes occurs for the resistance on road, causes the electric current of circuit output to change, and by the number information of electric current and conducting film
Judgement single-chip microcomputer is given through wire transmission.Conductive filament arrangement in conducting film is intensive, and tire is pasted onto according to defined order in advance
Crown inner surface.When tire, which is punctured, causes circuital current to change, can be obtained by the variable quantity for comparing four current values
To the damage location of conducting film, a quarter region of a conducting film can be accurate to；If demarcated in advance, by what is obtained
Current value is compared with advance calibration value, can be as accurate as specifically which root or which root conductive filament is broken, but uses
The signal length transmitted needed for this method when the data volume and practical application of demarcation can be according to conductive filament on a conducting film
Quantity and change, conductive filament is more, then needs the data demarcated bigger, the signal length of transmission is longer.
Due to vehicle under steam, tire can be deformed upon often because ground is uneven, and deformation be able to may also cause
Slight change occurs for electrolemma resistance.Judge that single-chip microcomputer can distinguish tire normal deformation, and accurate judgement flows through the electricity of conducting film
Whether the change of stream is caused by tyre damage, and determination methods are as follows：Judge that single-chip microcomputer becomes in the electric current for detecting conducting film
After change, current value can be recorded in random access memory, four electric currents of the conducting film were again read off after 1 second, if four
Electric current recovers then to exit detection, does not send fault-signal；If electric current does not recover, again read off, be repeated 10 times after 1 second,
If do not recover normal value all the time.If by judging, tire truly has breakage, then damage location positioned, then will alarm
Open signal, tyre serial number, conducting film numbering and damage location information are sent to in-car warning device.
Independent work between detection means in each wheel, the health status of each tire can be uninterruptedly detected, and
In-car warning device is sent a signal to by respective wireless transport module.Further, since power supply, judging single-chip microcomputer and wireless
Transport module is fixed on tire sidewall inwall, therefore also needs to enter action balance to tire, and balancing weight is added in correspondence position.
2. in-car warning device
In-car warning device is mainly made up of wireless receiving module, warning single-chip microcomputer and attention device.
Wireless receiving module is responsible for receiving the signal that detection means is sent out of wheel, and sends a signal to warning monolithic
Machine.
After warning single-chip microcomputer receives signal, signal can be handled, and drive attention device to be alarmed.
, can be by the buzzer alerting drivers that sound after attention device receives signal, and light on a display screen corresponding
Worn tire LED, damaged conducting film numbering is shown, and show conducting film damage location coordinate or region.
The utility model is described in detail with reference to accompanying drawing, the utility model is on the basis of original tire, by embedding
Enter using conducting film as detection means in the wheel of core parts, and automobile tire burst prevention early warning is completed jointly with reference to in-car warning device
Function.
As shown in figure 1, the automobile tire burst prevention early warning system described in the utility model based on conducting film in wheel mainly by examining
Survey device 200 and the two parts of in-car warning device 300 composition；Wherein, detection means 200 is arranged in inside tire 100 in wheel, embedding
Enter on tire inner wall；The power supply of detection means 200 is battery in wheel, and in-car warning device 300 is arranged in automobile middle control
On instrument desk, by the solar panel carried or the power supply of automobile 12V power supplys is introduced.
As shown in Fig. 2 detection means 200 includes conducting film group 220 in wheel described in the utility model, single-chip microcomputer judges electricity
Road 210；Wherein, conducting film group 220 is composed in parallel by the conducting film of multi-disc independence, and every piece of conducting film is typically designed as square,
Also other shapes can be designed to as needed；The quantity for the conducting film arranged on one tire is selected according to the specification of tire, just
It is wide that the square conducting film length of side recommends to be elected to be tire, can also select arbitrary dimension, the conducting film group of multiple conducting films compositions as needed
220 insertions and uniform fold tyre crown inner wall surface, and be numbered according to certain order, marked in the side wall of tire side
There is conducting film numbering start mark 224, conducting film number order is turned clockwise since conducting film numbering start mark 224
For sequence, it is easy to maintenance personal to search leak source rapidly, conducting film is tried one's best close arrangement between any two, gap is not stayed, if there is tire
Inwall girth can not divide exactly the situation of the conducting film length of side, i.e., can when last part is not enough to the situation of one conducting film of arrangement
The conducting film for making its covering initially paste (numbering is the conducting film of No. 1)；Single-chip microcomputer decision circuit 210 is adhered in tire sidewall
On wall, single-chip microcomputer, power supply (button cell), wireless transport module are included determining whether.To avoid the quality of single-chip microcomputer decision circuit 210
Tire unbalance dynamic is caused, needs to paste balancing weight in tire inner wall symmetric position；Conducting film group 220 is pacified in tire shipment
Loaded on inside tires, with tire as an integrated marketing, conducting film does not influence tire original structure and performance, and removes power supply
(battery) outside with the tire same life-span, tire, which is pierced, to be caused only to need tire patching in a conventional manner after conducting film breakage, without additionally repairing
Multiple conducting film, therefore can be with the tire life-cycle；Tire scar positioner can be positioned over in-car optional position, be filled with being detected in wheel
Put 200 carry out radio communications.
As shown in figure 3, conducting film circuit described in the utility model mainly includes conducting film, power access end, electric current inspection
Survey device 221；Wherein, conducting film is the resistance net that a plurality of conductive filament Orthogonally arrangement printed using circuit printing technique is formed
Lattice matrix, resistance grids matrix surface carry out exhausted source covered with elastic caoutchouc.Conductive filament is addition type electrically-conducting paint, in polyethylene
The materials such as electrically conductive particles, curing agent, auxiliary agent composition is added in coating, the resistance of this conductive filament is uniform, has certain elasticity
And toughness, it is not broken because of the deformation of tire in normally travel；Each corresponding conductive filament of side length of element
Equivalent resistance 222；Resistance grids spacing can be pierced into thing dimension synthesis according to tire and determine；Spacing is smaller, and grid is closeer, leak source
It is higher to detect positioning precision, but the data volume being in response to is bigger, it is higher to single-chip microcomputer register requirement.Considering can be preferred
For 3mm；Every piece of conducting film is typically designed as square, can also be designed to other shapes as needed；The size of monolithic conducting film
Selected according to tire specification, recommend the monolithic conducting film length of side to be equal to tire wide, can also change according to demand, but after must assure that splicing
It can guarantee that covering tire is wide, conducting film sticks at tyre crown inwall using industrial glue；Current sensing means 221 described in embodiment by
The current sensor composition of four corners of conducting film is distributed in, when the conductive filament equivalent resistance of conducting film some or some positions
222 are broken, and the all-in resistance of its conducting film will change, and current sensing means 221 can pass through its current detection value
Change judge conducting film change in resistance, and this signal is sent to and judges that single-chip microcomputer is used to detect caused by tire is pierced into thing and leads
Electrolemma (tire) damage location 223；For the single resistance of conducting film resistor matrix breakage occurs for illustrated example, and actual conditions also may be used
Energy while damaged multiple adjacent resistors.Current sensing means can all make detection to above-mentioned two situations；Current sensing means
221 precision depends on the quantity of conductive filament in used resistor matrix, and conductive filament is more, and accuracy of detection is higher, but responds
Data encoding quantity is bigger；It should be noted that it can equally be used using four voltage sensors for being distributed in conducting film corner
In the change of detection conducting film resistance, the present embodiment uses current sensor.The negative pole of power access end and four current detectings
The output end of device is connected, and the positive pole of power access end is connected with conductive center membrane.
As shown in figure 4, the single-chip microcomputer decision circuit 210 of detection means 200 mainly includes in wheel described in the utility model
Judge single-chip microcomputer, power module and wireless transport module；The electrical schematic diagram of detection means 200 in wheel as shown in Figure 4, every
The signal output part of the current sensing means 221 of conducting film is with judging that single-chip simulation amount signal input part is connected；Power module
Button cell is used in embodiment, to reduce quality, power module is that conducting film group, judgement single-chip microcomputer and wireless transport module supply
Electricity；During parking of automobile, decision circuit does not work, and judges that single-chip microcomputer is in Low-power-consumptiodormancy dormancy state, to reduce power module power
Loss.Judge single-chip microcomputer by compare reading four current sensing means of each conducting film electric current value changes to damage location
Positioned；Positional information can be some a quarter region of conducting film or the exact position of whole conducting film, approximate region
The register size for the data volume and control single chip computer chosen for realizing demarcation storage is depended on exact position；If carry out big
Amount demarcation in advance, so that it may which, by being compared to obtain accurate damage location with calibration value, this example is said by taking approximate region as an example
It is bright.After judging that single-chip microcomputer obtains damaged conducting film damaged area or damage location coordinate signal by the above method, by itself institute
Tyre serial number, have breakage conducting film numbering, and its damaged conducting film damaged area or damage location coordinate signal transmission
To wireless transport module, wireless transport module will give in-car warning device after above-mentioned Signal coding by radio signal transmission.
As shown in figure 5, in-car warning device 300 described in the utility model includes wireless receiving module, warning single-chip microcomputer
Formed with attention device；Wireless receiving module receives the signal that detection means 200 is sent out of wheel by its antenna, and signal is passed through
Wire is sent to warning single chip communication signal input part, warns multiple I/O output ends of single-chip microcomputer to be connected respectively with attention device,
The positional information of worn tire is sent to attention device；Attention device is made up of buzzer, damaged coordinate display, is each served as
The effect of sound, light alarm, power module is after vehicle-mounted 12V power supplys obtain power supply, by the 5V after conversion and 12V DC electricity through wire
It is respectively supplied to wireless receiving module, warning single-chip microcomputer and buzzer, damaged coordinate display uses；It should be noted that
The power supply of in-car warning device 200 described in the utility model is not limited only to obtain electricity from the vehicle-mounted 12V power supplys shown in embodiment
Can, the energy can also be obtained from the solar panel of its own, or be directly integrated in automobile instrument, obtain electricity from instrument
Energy.
As shown in fig. 6, the damaged coordinate display interface of attention device described in the utility model mainly includes four damaged wheels
The damaged conducting film numbering indicator panel 330 of the conducting film damage location indicator lamp 320, four of tire indicator lamp 310,16；Four circles
The worn tire indicator lamp 310 of annular is a circle annular LED background light, represents four tyre damage states of automobile respectively, bright
Play the interval scale tire and breakage occur, otherwise represent the tire without breakage.The lower section of each worn tire indicator lamp is broken
Conducting film numbering indicator panel 330 is damaged, it is the charactron of one two, digitized representation conducting film numbering, can be shown when lighting
Show which conducting film of the worn tire is punctured, when the tire does not have damaged, the double figures code pipe extinguishes；Each worn tire
There are four conducting film damage location indicator lamps 320 in matts arrangement at the center of the annulus of indicator lamp 310, is in each grid
One light emitting diode, certain a quarter region generation breakage of the interval scale conducting film is lighted, when the tire does not have damaged,
Four light emitting diodes extinguish；There is damaged, the control list of in-car warning device described in the utility model in whichever tire
Piece machine can all activate the buzzer call of attention device, remind driver to notice whether tire is safe, if possibility of blowing out.
Automobile tire burst prevention early warning system operation principle described in the utility model based on conducting film is as follows：
After whole system is installed on car, when startup engine vehicle starts running, detection means starts in wheel.Work as wheel
The conducting film that tire is punctured in hour wheel in detection means can be damaged therewith, and the conductive filament in conducting film can be broken, conducting film circuit
In four electric currents detecting of current sensing means different changes can be occurred according to the difference of damage location, current detecting
Four current value signals are transferred to judgement single-chip microcomputer by device, judge that single-chip microcomputer can carry out repeated detection with true to this conducting film
Protect the accuracy of detection.It will start to judge tyre damage position if it is determined that breakage occurs for conducting film, judge that single-chip microcomputer can both lead to
The mode for crossing simple relatively current change quantity size carrys out the rough Position Approximate for judging tyre damage, also can by with it is advance
The mode that the calibration value of storage in a register compares obtains accurate damage location.After obtaining tyre damage position, judge
Single-chip microcomputer can will open alarm signal, tyre serial number, conducting film numbering and damage location information by wireless transport module and send
To in-car warning device.The signal that in-car warning device is received by wireless receiving module can be sent to warning single-chip microcomputer, alert
Show that single-chip microcomputer can be handled the signal received, be sent to attention device, driving buzzer sounds, and display screen display is damaged
Position coordinates, driver is reminded to reach the very first time before tire pressure changes, and prevent possible unexpected hair of blowing out
Raw effect.
Although embodiment of the present utility model is disclosed as above, it is not restricted in specification and embodiment
Listed utilization, it can be applied to various suitable fields of the present utility model completely, for those skilled in the art,
Other modification is easily achieved, therefore under the universal limited without departing substantially from claim and equivalency range, this reality
Specific details is not limited to new and shown here as the legend with description.
Claims (5)
- A kind of 1. automobile tire burst prevention prior-warning device based on conducting film, it is characterised in that including：Conducting film group, its uniform fold connect power supply on tire inner wall surface；Current sensing means, it is arranged in four corners of the conducting film；Controller, current sensing means described in its Electricity Federation, tyre damage information is determined by current information and exported.
- 2. the automobile tire burst prevention prior-warning device based on conducting film as claimed in claim 1, it is characterised in that the conducting film is The resistance grids matrix that a plurality of conductive filament Orthogonally arrangement is formed, and each side length of element is corresponding one in the grid matrix Conductive filament equivalent resistance.
- 3. the automobile tire burst prevention prior-warning device based on conducting film as claimed in claim 1 or 2, it is characterised in that also include：Honeybee Ring device and damaged coordinate display；Wherein, the damaged coordinate display includes：Worn tire indicator lamp, it is the background light of four groups of circular arrangements, corresponds the tire of automobile respectively；Conducting film damage location indicator lamp, it is arranged in the background light of circular arrangement in sphere of movements for the elephants type, corresponds to the wheel respectively Conducting film in tire；Damaged conducting film numbering display screen, it is arranged on below the conducting film damage location indicator lamp, for indicating that breakage is led Electrolemma is numbered.
- 4. the automobile tire burst prevention prior-warning device based on conducting film as claimed in claim 2, it is characterised in that the conducting film is set Square is set to, its length of side is wide equal with the tire of the tire.
- 5. the automobile tire burst prevention prior-warning device based on conducting film as claimed in claim 1, it is characterised in that the controller glues It is attached on the tire sidewall inwall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720466206.2U CN206749405U (en) | 2017-04-28 | 2017-04-28 | A kind of automobile tire burst prevention prior-warning device based on conducting film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720466206.2U CN206749405U (en) | 2017-04-28 | 2017-04-28 | A kind of automobile tire burst prevention prior-warning device based on conducting film |
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| Publication Number | Publication Date |
|---|---|
| CN206749405U true CN206749405U (en) | 2017-12-15 |
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ID=60615817
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|---|---|---|---|
| CN201720466206.2U Expired - Fee Related CN206749405U (en) | 2017-04-28 | 2017-04-28 | A kind of automobile tire burst prevention prior-warning device based on conducting film |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106864181A (en) * | 2017-04-28 | 2017-06-20 | 吉林大学 | A kind of automobile tire burst prevention prior-warning device and its control method based on conducting film |
-
2017
- 2017-04-28 CN CN201720466206.2U patent/CN206749405U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106864181A (en) * | 2017-04-28 | 2017-06-20 | 吉林大学 | A kind of automobile tire burst prevention prior-warning device and its control method based on conducting film |
| CN106864181B (en) * | 2017-04-28 | 2018-11-27 | 吉林大学 | A kind of automobile tire burst prevention prior-warning device and its control method based on conductive film |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171215 Termination date: 20190428 |