CN205468333U - Tire safety monitoring device - Google Patents
Tire safety monitoring device Download PDFInfo
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- CN205468333U CN205468333U CN201620011433.1U CN201620011433U CN205468333U CN 205468333 U CN205468333 U CN 205468333U CN 201620011433 U CN201620011433 U CN 201620011433U CN 205468333 U CN205468333 U CN 205468333U
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- tire
- pressing plate
- light
- longitudinal groove
- photosensitive
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- Length Measuring Devices By Optical Means (AREA)
Abstract
The utility model particularly relates to a tire safety monitoring device. The utility model aims to provide a tire safety monitoring device includes the light source subassembly of following car advancing direction level and placing, light that the light source subassembly sent and cross tire central line, perpendicular along the tire cross -section of vertical orientation, light on shining the video picture subassembly behind vertical slot of tire, the video picture subassembly includes first photosensitive clamp plate, first photosensitive clamp plate is exported the vertical slot cross sectional shape of tire for the treater after by lightmap, the three -dimensional model of tire is drawn into the cross sectional shape of the vertical slot of tire to the treater, the treater is connected with display device, near tire shoulder of tire one side is equipped with metal detector, and near tire shoulder of opposite side is equipped with the metal receiver. When going into debris such as great stone or nail when tread groove inslot card, accessible time remind the driver in time to handle debris, greatly improve the go security of hour wheel child of automobile.
Description
Technical field
This utility model relates to automobile active safety monitoring field, is specifically related to a kind of tire safety monitoring device.
Background technology
The tire great majority that the automobile sold in the market uses are highway tire, its decorative pattern is made up of the longitudinal groove of draining and the lateral trench of increase side force, the pressure of tire is only monitored by existing tire safety monitoring device, when the abnormal alarm of tire pressure points out driver, tire in use tread contour can produce abrasion, after pattern depth may wear to limit, if tire is continuing with, situation about blowing out easily occurs.After automobile travels for a long time, inspection to pattern depth, rely only on the limited block arranged on observation tire when driver is stopped at present to judge, and do not have relevant monitoring device that the pattern depth of tire is monitored, if driver does not has experience or forgets to check, serious potential safety hazard can be produced.
Often having stone during running car, in the flower, the degree of depth of the longitudinal groove of highway tire, width are relatively big, and the degree of depth of lateral trench, width are less for the foreign material card such as nail.During running car, all can snap in the foreign material such as stone in groove longitudinally, laterally, but the often volume of the stone in longitudinal groove is relatively big, and protrude surface of tyre, for protruding the foreign material of surface of tyre.If processed not in time, then very possible when galloping, foreign material are extruded the rubber of both sides by the pressure on ground, make tire crack, and reduce service life, it could even be possible to blow out time serious.
And for different foreign material, need it is judged, if stone, then it is drawn off, if the metal objects such as nail, it is impossible to judge whether to have pierced through surface of tyre, at this moment can make if directly being extracted by nail to have a flat tire, automobile loses driveability, therefore can not be extracted by nail immediately, and should be ensured that automobile to run at a low speed to nearest repair shop and process.For such situation, the most still it is dependent on driver and stops visual inspection, or visually inspected by maintainer when maintenance, still there is great potential safety hazard.
A kind of equipment for evaluating surface of tyre outward appearance mentioned in prior art CN20080120013, utilize the reflection of surface of tyre, linear color photographing unit is used to obtain the cleaning image of surface of tyre, but the line camera structure that this invention uses is complicated, special detection stand is needed to place photographing unit, it is difficult to be directly applied on automobile, and the two dimensional image of surface of tyre can only be shot, later stage processes inconvenience, also automatically cannot judge the foreign material such as the stone on surface of tyre, nail.
The one mentioned in prior art CN201080031750 is in tire, the visual examination of outer surface shortens the review time by shooting tire expeditiously, and synthesize the tyre detection device of the image photographed accurately, this device includes that the shooting figure of the tire inner peripheral surface that the shooting of position offsets relatively and camera position is mutually different on the width of tire in tire circumference multiple photographing units obtains synthesizes, check the interior of tire, the defect of outer surface, this device is complicated due to structure, need multiple stage photographing unit to shoot simultaneously, and each photographing unit to arrange status requirement strict, it is difficult to be arranged on automobile, therefore the detection after tire production it is only used for, it is difficult to apply in the safety monitoring that automobile is daily.
A kind of determination device for tyre abrasion mentioned in prior art CN200910265999, utilize the cosine grating being arranged at lens interior, light shine the surface of tyre before and after traveling, then the intensity of the light being irradiated on surface of tyre is measured with digital camera, in order to analyze the abrasion state of tire, this apparatus structure is simple, can effectively measure tire wear, but depend on the reflection of the light of surface of tyre, when surface of tyre speckles with foreign material, such as rainwater etc., then can be bad because of reflecting effect, it is difficult to measure tire wear, also cannot be automatically to the stone on surface of tyre, the foreign material such as nail judge.
Summary of the invention
For the deficiency of above-mentioned monitoring device, the purpose of this utility model is to provide one and monitors pattern depth in time, distinguishes whether the foreign material snapping in tyre tread work the mischief to automobile, effectively the tire safety monitoring device of protection running safety.
nullFor achieving the above object，The technical solution adopted in the present invention is: a kind of tire safety monitoring device，Including being arranged on tire，For checking the limited block of the tyre tread longitudinal groove degree of depth，It is provided with metal in described limited block and demarcates sheet，Described tire front、Lining in fender、The light source assembly of horizontal positioned is installed，Described light source assembly includes the first lamp group，The height of described first lamp group is consistent with tire upper level，The light that described first lamp group sends and tire centerline excessively、Tire longitudinal groove cross section vertically is vertical，Light is irradiated to tire rear after the longitudinal groove of tyre tread、Imaging assembly on fender liner relevant position，Described imaging assembly includes the first photosensitive pressing plate，After described first photosensitive pressing plate is irradiated by light，Longitudinal groove cross sectional shape is exported to processor，Longitudinal groove cross sectional shape is depicted as the threedimensional model of tire by described processor；Described processor is connected with display device；Inside tire, near tire shoulder, position is provided with metal detector.
Preferably, described light source assembly also includes the second lamp group, the height of described second lamp group adapts with tire shoulder height, the light that described second lamp group sends is with to cross tire centerline, tire shoulder cross section vertically vertical, the light that described second lamp group sends is after the tire shoulder of tire both sides, being irradiated on the second photosensitive pressing plate of tire rear, fender liner relevant position, described second photosensitive pressing plate will pass to processor through tire centerline, tire shoulder vertically, the cross sectional shape on sidewall.
Preferably, when described tire is the steering tire of automobile, near it, the light source assembly of setting, the first photosensitive pressing plate, the second photosensitive pressing plate are provided with deflection mechanism, and above described steering tire, relevant position arranges tyre deflection degree sensor.
Preferably, described first photosensitive pressing plate, the second photosensitive pressing plate arranging dark slide, in described dark slide, the size of loophole adapts with the size of the first photosensitive pressing plate, the second photosensitive pressing plate；The loophole of described dark slide is provided with polariscope.
Preferably, described display device is central vehicle console display, or vehicle mounted guidance display, or is provided separately within the display in instrument desk region.
This utility model has the advantages that when snapping in the foreign material such as bigger stone or nail in decorative pattern groove, driver can be reminded in time in time foreign material to be processed, the safety of tire when running car is greatly improved, the position being difficult to be checked by driver can also be monitored, the especially tire shoulder inside tire, the bulge at sidewall, greatly simplify the tire maintenance link in the routine servicing of automobile.
Accompanying drawing explanation
Fig. 1 is the structural representation front view of the present invention；
Fig. 2 is first photosensitive pressing plate the 21, second photosensitive pressing plate 22 placement location schematic diagram；
Fig. 3 is to draw tire three-dimensional model step schematic diagram after processor 3 receives the data imaging assembly 2；
Fig. 4 is foreign material judgment mode schematic diagram in tire longitudinal groove；
Fig. 5 is imaging assembly 2, processor 3, display device 4 connection diagram.
Detailed description of the invention
"front", "rear" of the present invention, " inner side ", " outside " are the tire relative position when being arranged on automobile, unrelated with the concrete structure of the present invention.
nullAs Figure 1-5，A kind of tire safety monitoring device，Including being arranged on tire，For checking the limited block 61 of the tyre tread longitudinal groove degree of depth，It is provided with metal in described limited block 61 and demarcates sheet，Described tire front、Lining in fender、The light source assembly 1 of horizontal positioned is installed，Described light source assembly 1 includes the first lamp group 101，The height of described first lamp group 101 is consistent with tire upper level，The light that described first lamp group 101 sends and tire centerline excessively、Tire longitudinal groove cross section vertically is vertical，Light is irradiated to tire rear after the longitudinal groove of tyre tread、Imaging assembly 2 on fender liner relevant position，Described imaging assembly 2 includes the first photosensitive pressing plate 21，After described first photosensitive pressing plate 21 is irradiated by light，Tire longitudinal groove cross sectional shape is exported to processor 3，Tire longitudinal groove cross sectional shape is depicted as the threedimensional model of tire by described processor 3；Described processor 3 is connected with display device 4.Described processor 3 can be the central processing unit being arranged separately on automobile, it is also possible to be integrated in automobile ECU, as a submodule of ECU.Described display device 4 can be central vehicle console display, or vehicle mounted guidance display, it is also possible to be the display being provided separately within instrument desk region.Inside tire, near tire shoulder, position is provided with metal detector 51.
Described light source assembly 1 also includes the second lamp group 102, the height of described second lamp group 102 adapts with tire shoulder height, the light that described second lamp group 102 sends is with to cross tire centerline, tire shoulder cross section vertically vertical, the light that described second lamp group 102 sends is after the tire shoulder of tire both sides, being irradiated on the second photosensitive pressing plate 22 of tire rear, fender liner relevant position, described second photosensitive pressing plate 22 will pass to processor 3 through tire centerline, tire shoulder vertically, the cross sectional shape on sidewall.
Preferably embodiment is to arrange dark slide in first photosensitive pressing plate the 21, second photosensitive pressing plate 22 front, and in described dark slide, the size of the photosensitive pressing plate of size first 21, the second photosensitive pressing plate 22 of loophole adapts.So can make to project the tire cross-section shape on first photosensitive pressing plate the 21, second photosensitive pressing plate 22 apparent, the loophole of described dark slide is provided with polariscope, so can filter the light that sunlight, street lamp, other vehicles etc. send, it is to avoid imaging assembly 2 is interfered.
When the steering tire that tire is automobile, the angle in its direction longitudinally along an automobile can deflect because of motor turning, therefore preferably embodiment is: arrange deflection mechanism on light source assembly 1, first photosensitive pressing plate the 21, the second photosensitive pressing plate 22 arranged near steering tire, described deflection mechanism can be connected with car steering linkage mechanism, during motor turning, the athletic meeting of steering gear drives deflection mechanism action.Above steering tire, tyre deflection degree sensor can also be set in relevant position, when steering tire deflects, the angle of described deflection angle Sensor monitoring steering tire deflection, and pass to processor 3, processor 3 sends a signal to the driving motor of deflection mechanism, by driving motor action, the light source assembly 1 arranged near steering tire is driven by deflection mechanism, first photosensitive pressing plate 21, second photosensitive pressing plate 22 deflects certain angle jointly with steering tire, thus ensure that the light that light source assembly 1 sends is not deflected by steering tire and affected, first photosensitive pressing plate 21 simultaneously, second photosensitive pressing plate 22 also can receive light smoothly.
The step utilizing the tire safety monitoring device described in above-mentioned any one to carry out tire safety detection includes: monitoring cycle demarcation, data acquisition, data process, data show.
The step that wherein the monitoring cycle is demarcated is: described processor 3 is by limited block 61 with time near tire rotary motion to metal detector 51, and voltage signal is passed to the t0 moment that moment of processor 3 is demarcated as a monitoring cycle and starts by described metal detector 51；After limited block 61 is with tire rotating 360 degrees, when again moving near metal detector 51, voltage signal is passed to moment of processor 3 and is demarcated as a monitoring end cycle moment by described metal detector 51；
The step of data acquisition is: described first photosensitive pressing plate the 21, second photosensitive pressing plate 22 starts to receive, from the t0 moment, the light that light source assembly 1 sends, and transmits longitudinal groove cross sectional shape, tire shoulder cross sectional shape, sidewall cross sectional shape to processor 3；When processor 3 judges a monitoring end cycle, first photosensitive pressing plate the 21, second photosensitive pressing plate 22 stops receiving light；
The step that data process is: the standard shape of longitudinal groove cross sectional shape all of in the monitoring cycle with tyre tread is contrasted by described processor 3, calculate tire longitudinal groove minimum-depth, and all of longitudinal groove cross sectional shape is judged, mark different types of foreign material；Tire shoulder cross sectional shapes all in the monitoring cycle, sidewall cross sectional shape are contrasted by described processor 3 with tire shoulder, the sidewall cross sectional shape of standard tire, by position mark inconsistent with standard tire to tire shoulder, sidewall cross sectional shape；The all longitudinal groove cross sectional shapes collected in the monitoring cycle, tire shoulder cross sectional shape, sidewall cross sectional shape are depicted as tire three-dimensional model, and identify the labelling of different types of foreign material, tire shoulder, the labelling of sidewall cross sectional shape exception in the relevant position of tire three-dimensional model by described processor 3；
The step that data show is: the threedimensional model of tire, longitudinal groove minimum-depth are sent to display device 4 by described processor 3.
Longitudinal groove cross sectional shape is judged by described processor 3, and the method marking different types of foreign material is: the standard shape of all tire longitudinal groove cross sectional shape with tyre tread is contrasted, when longitudinal groove cross sectional shape contains foreign material, and the height of foreign material protrudes surface of tyre, and now metal detector 51 voltage signal is unchanged, in t1 to the t2 moment in i.e. Fig. 4, these foreign material are demarcated as dangerous nonmetal impurities by processor 3；When containing foreign material in longitudinal groove cross sectional shape, and foreign material do not protrude surface of tyre, and now metal detector 51 voltage signal is unchanged, and these foreign material are demarcated as common nonmetal impurities by processor 3；When containing foreign material in longitudinal groove cross sectional shape, metal detector 51 voltage signal changes simultaneously, and when this voltage signal is not to be caused by metal demarcation sheet, i.e. in t3 to the t4 moment in Fig. 4, these foreign material are demarcated as hazardous metals foreign material by processor 3；When not having foreign material in longitudinal groove cross sectional shape, metal detector 51 voltage signal changes, and when this voltage signal is not to be caused by metal demarcation sheet, this longitudinal groove cross section is demarcated as containing sightless hazardous metals foreign material by processor 3.
For dangerous nonmetal impurities, processor 3 transmits cue to display device 4, and demonstrates the position of dangerous nonmetal impurities in tire three-dimensional model, reminds driver to clear up in time.For hazardous metals foreign material and be demarcated as the longitudinal groove cross section containing sightless hazardous metals foreign material, processor 3 transmits alarm signal to display device 4, remind driver's tire may be punctured by metal sundries, need to reduce speed travel and repair tire in time, and in tire three-dimensional model, demonstrate hazardous metals foreign material and the position in the longitudinal groove cross section containing sightless hazardous metals foreign material, location timely to damage location when facilitating tyre service.
All longitudinal groove cross sectional shapes of collecting in the monitoring cycle as the sweeping cross section of tire three-dimensional model, using the rolling circle radius of tire as the guide line of threedimensional model, are drawn tire three-dimensional model by the way of multi-section sweeping by processor 3；The cross sectional shape of tire longitudinal groove all of in the monitoring cycle is contrasted simultaneously, calculate longitudinal groove minimum-depth, and the threedimensional model of tire, longitudinal groove minimum-depth are sent to display device 4.
Generally circular owing to snapping in the contour shape of the foreign material such as stone in longitudinal groove, therefore tire safety monitoring device at least should can detect the foreign material that length and width is the same, and sample frequency f of the most described first photosensitive pressing plate the 21, second photosensitive pressing plate 22 calculates according to below equation:
f≥V/L
The speed of its rolling circle when V is tire rotation in above formula, L is the width of tire longitudinal groove.The longitudinal groove width of the most a conventional tyre is 15mm, automobile normal running speed 80km/h, and after Conversion of measurement unit, automobile driving speed is 22222mm/s, then f >=22222/15=1481Hz.
Preferably embodiment is, the number of turns that described processor 3 record unit time inner limited block 61 rotates, this rotating cycle and tire rolling radius of circle are calculated the travel speed of wheel as parameter, the travel speed of described wheel is sent to ECU, so can substitute for common wheel speed sensors, reduce number of parts, cost-effective.
Whether driver can have the foreign material threatening traffic safety to snap in checking the threedimensional model of tire, longitudinal groove minimum-depth and longitudinal groove, lateral trench by display device 4.When the difference in height of longitudinal groove minimum-depth with limited block is less than 2mm, display device 4 sends alarm signal, reminds this tire of driver to wear away limit, needs the tire more renewed.
Claims (5)
- null1. a tire safety monitoring device，Including being arranged on tire，For checking the limited block (61) of the tyre tread longitudinal groove degree of depth，It is provided with metal in described limited block (61) and demarcates sheet，It is characterized in that: described tire front、Lining in fender、The light source assembly (1) of horizontal positioned is installed，Described light source assembly (1) includes the first lamp group (101)，The height of described first lamp group (101) is consistent with tire upper level，The light that described first lamp group (101) sends and tire centerline excessively、Tire longitudinal groove cross section vertically is vertical，Light is irradiated to tire rear after the longitudinal groove of tyre tread、The imaging assembly (2) of fender liner relevant position，Described imaging assembly (2) includes the first photosensitive pressing plate (21)，After described first photosensitive pressing plate (21) is irradiated by light，Longitudinal groove cross sectional shape is exported to processor (3)，Longitudinal groove cross sectional shape is depicted as the threedimensional model of tire by described processor (3)；Described processor (3) is connected with display device (4)；Inside tire, near tire shoulder, position is provided with metal detector (51).
- A kind of tire safety monitoring device the most according to claim 1, it is characterized in that: described light source assembly (1) also includes the second lamp group (102), the height of described second lamp group (102) adapts with tire shoulder height, the light that described second lamp group (102) sends and tire centerline excessively, tire shoulder cross section vertically is vertical, the light that described second lamp group (102) sends is after the tire shoulder of tire both sides, it is irradiated to tire rear, on second photosensitive pressing plate (22) of fender liner relevant position, described second photosensitive pressing plate (22) will be through tire centerline, tire shoulder vertically, the cross sectional shape on sidewall passes to processor (3).
- A kind of tire safety monitoring device the most according to claim 2, it is characterized in that: when described tire is the steering tire of automobile, near it, the light source assembly (1) of setting, the first photosensitive pressing plate (21), the second photosensitive pressing plate (22) are provided with deflection mechanism, and above described steering tire, relevant position arranges tyre deflection degree sensor.
- A kind of tire safety monitoring device the most according to claim 3, it is characterized in that: arranging dark slide on described first photosensitive pressing plate (21), the second photosensitive pressing plate (22), in described dark slide, the size of loophole adapts with the size of the first photosensitive pressing plate (21), the second photosensitive pressing plate (22)；The loophole of described dark slide is provided with polariscope.
- A kind of tire safety monitoring device the most according to claim 1, it is characterised in that: described display device (4) is central vehicle console display, or vehicle mounted guidance display, or is provided separately within the display in instrument desk region.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620011433.1U CN205468333U (en) | 2016-01-07 | 2016-01-07 | Tire safety monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620011433.1U CN205468333U (en) | 2016-01-07 | 2016-01-07 | Tire safety monitoring device |
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| Publication Number | Publication Date |
|---|---|
| CN205468333U true CN205468333U (en) | 2016-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620011433.1U Withdrawn - After Issue CN205468333U (en) | 2016-01-07 | 2016-01-07 | Tire safety monitoring device |
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| CN (1) | CN205468333U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105539025A (en) * | 2016-01-07 | 2016-05-04 | 西华大学 | Tire safety monitoring device |
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2016
- 2016-01-07 CN CN201620011433.1U patent/CN205468333U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105539025A (en) * | 2016-01-07 | 2016-05-04 | 西华大学 | Tire safety monitoring device |
| CN105539025B (en) * | 2016-01-07 | 2017-05-10 | 西华大学 | Tire safety monitoring device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160817 Effective date of abandoning: 20170510 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20160817 Effective date of abandoning: 20170510 |