CN103042999B - Wheel static monitoring device - Google Patents
Wheel static monitoring device Download PDFInfo
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- CN103042999B CN103042999B CN201110304967.5A CN201110304967A CN103042999B CN 103042999 B CN103042999 B CN 103042999B CN 201110304967 A CN201110304967 A CN 201110304967A CN 103042999 B CN103042999 B CN 103042999B
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 20
- 230000003068 static effect Effects 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 claims abstract description 25
- 238000012544 monitoring process Methods 0.000 claims abstract description 18
- 230000005540 biological transmission Effects 0.000 claims abstract description 12
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 230000000386 athletic effect Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000002463 transducing effect Effects 0.000 description 1
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Abstract
The invention provides a wheel static monitoring device which comprises a detecting module and a monitoring module. The detecting module is fixed on a wheel and comprises a tri-axis accelerator, a processing module and a wireless transmitting module, wherein the tri-axis accelerator is used for sensing signals of an X-axis sensor, a Y-axis sensor and a Z-axis sensor at two moments in the wheel parking braking process. The processing module is connected with the tri-axis accelerator and calculates changes of the signals of the X-axis sensor or the Y-axis sensor at the two moments so as to judge whether the wheel is static or not. The wireless transmitting module is connected with the processing module and transmits a judgment result in a wireless transmission mode. The monitoring module is located in a user viewing zone, receives the judgment result in the wireless transmission mode and feeds back the judgment result to a user. The wheel static monitoring device monitors whether the wheel is static or not so as to ensure the safety of a motor vehicle parking on an inclined road surface.
Description
[technical field]
The present invention relates to automobile safety condition monitoring field, particularly a kind ofly guarantee the wheel stationary monitoring device of self-propelled vehicle at tilted road surface parking safety.
[background technology]
Automobile safety Condition Monitoring Technology is the Main Means ensureing motor vehicle safe drive, is also the inexorable trend of self-propelled vehicle safe in operation detection technique development.Self-propelled vehicle safe in operation condition monitoring technology is adopted to carry out dynamic monitoring to self-propelled vehicle safe in operation state and operation pointer, Timeliness coverage and prevention vehicle trouble, development monitoring, control, management and decision, in the safety supervisory network system of one, run significant to automobile safety.Existing automobile safety condition monitoring mainly comprises monitoring motor vehicle athletic posture parameter, dynamic load parameters, brake-performance parameters.Self-propelled vehicle, in operational process, can produce braking, accelerate, turn to, the operating mode such as straight-line travelling, and wheel is unique in motor-driven vehicle going process and ground engaging element, and the safety of wheel is most important, and dynamic wheel load is the important parameter affecting tire safety.Dynamic wheel load be weigh vehicle under different pavement conditions, vehicle body and tire be in the parameter of tire under different attitude and car load dynamic load conditions.
Such as, No. 200910077794.0th, China's Mainland patent application discloses a kind of based on wheel-loaded intelligent sensing wheel live load monitoring method, the method, by installing intelligent sensing module on the wheel hub equatorial plane of each wheel of self-propelled vehicle, install intelligent gyro free inertia sensing unit in car and installing intelligent sensing unit in suspension, carries out complete detection to vehicle status in running.Each transducing signal calculates through signal condition, digitalisation, Attitude Algorithm, live load algorithm the main dynamic load parameters obtaining wheel.Above-mentioned dynamic load parameters, through Multi-Sensor Data Fusion and analysis, can be monitored and initiatively evaluate motor-driven vehicle going safety case.
Although No. 200910077794.0th, China's Mainland patent application can to overload of motor-driven vehicle, blow out, the early warning such as deceleration and stopping performance fault, be conducive to the generation avoiding and reduce traffic accident.But it cannot make monitoring to the safety case of self-propelled vehicle when parking, such as, the consequence that self-propelled vehicle moves, for dumping road surface, if parking brake does not start and puts in place during parking, then may be caused in road surface during self-propelled vehicle parking.
[summary of the invention]
Main purpose of the present invention is that providing a kind of guarantees the wheel stationary monitoring device of self-propelled vehicle at tilted road surface parking safety.
The invention provides a kind of wheel stationary monitoring device, it comprises detecting module and monitoring module, described detecting module to be fixed on wheel and to comprise three axle accelerators, processing module and wireless transmitter module, wherein, described three axle accelerators have X-axis sensor, Y-axis sensor and Z axis sensor, the wherein direction of Z axis and the center shaft of wheel is parallel or overlap, and described three axle accelerators are in order to sense the wheel signal that X-axis sensor, Y-axis sensor and Z axis sensor are inscribed two time in braking during standstill process; Described processing module connects described three axle accelerators, and the change that the signal that described processing module calculates X-axis sensor or Y-axis sensor is inscribed two time is to judge that whether wheel is static; Described wireless transmitter module connects described processing module, and judged result sends with wireless transmission method by described wireless transmitter module; Described monitoring module is positioned at user's observable region and comprises wireless receiving module and reminding module, and described wireless receiving module receives judged result with wireless transmission method, and by reminding module, judged result is fed back to user.
Especially, described three axle accelerators are KXTF9.
Especially, described reminding module is read-out.
Especially, described detecting module is fixed on wheel hub.
Especially, described wheel stationary monitoring device comprises some detecting modules, and described detecting module is individually fixed on a wheel.
Especially, the signal of described three axle accelerators sensing X-axis sensors, Y-axis sensor and Z axis sensor comprises counts and polarity, and when inscribing unchanged when the signal of X-axis sensor or Y-axis sensor is at two, described processing module judges that wheel is static.
Especially, described monitoring module is fixed on Auto Instrument desk.
Especially, described wireless transmission method is Bluetooth transmission.
Compared with prior art; the signal that the signal that the present invention can gather X-axis sensor or Y-axis sensor in automobile parking process is inscribed two time; and the change that the signal calculating X-axis sensor or Y-axis sensor is inscribed two time is to obtain the whether static judged result of wheel; it is accurately convenient to detect, to guarantee the safety of self-propelled vehicle when tilted road surface parking.
[accompanying drawing explanation]
Fig. 1 is the schematic diagram that wheel stationary monitoring device of the present invention is installed on wheel.
Fig. 2 is the functional-block diagram of wheel stationary monitoring device of the present invention.
Fig. 3 is the wheel parameter list that three axle accelerators detect in rolling process.
Fig. 4 be wheel in roll counter-clockwise one week process, the Parameters variation of X-axis sensor, Y-axis sensor.
Fig. 5 is that wheel rolls in one week process at cw, the Parameters variation of X-axis sensor, Y-axis sensor.
Fig. 6 is the wheel parameter list that three axle accelerators detect in quiescing process.
[detailed description of the invention]
Refer to Fig. 1, shown in Fig. 2, the invention provides a kind of wheel stationary monitoring device, it comprises detecting module 20 and monitoring module 30, described detecting module 20 to be fixed on wheel 10 and to comprise three axle accelerators 21, processing module 22 and wireless transmitter module 23, wherein, described three axle accelerators 21 have X-axis sensor, Y-axis sensor and Z axis sensor, wherein the direction of Z axis is parallel with the center shaft of wheel 10 or overlap, and described three axle accelerators 21 are in order to sense wheel 10 X-axis sensor in braking during standstill process, the signal that Y-axis sensor and Z axis sensor are inscribed two time, described processing module 22 connects described three axle accelerators 21, and whether the change that the signal that described processing module 22 calculates X-axis sensor or Y-axis sensor is inscribed two time is static to judge wheel 10, described wireless transmitter module 23 connects described processing module 22, and judged result sends with wireless transmission method by described wireless transmitter module 23, described monitoring module 30 is positioned at user's observable region and comprises wireless receiving module 31 and reminding module 32, and described wireless receiving module 31 receives judged result with wireless transmission method, and by reminding module 32, judged result is fed back to user.
Refer to shown in Fig. 3, the present invention gathers the signal of wheel 10 X-axis sensor, Y-axis sensor and Z axis sensor in rolling process, it comprises count (counts) and polarity (polarity), when wheel 10 rolls, counting of X-axis sensor, Y-axis sensor changes with polarity generating period, and such as Position1, Position2, Position3, Position4 are the four kinds of states occurred during wheel 10 rolls a week.Wherein, the appearance alternately change in a swing circle of counting of X-axis sensor, if with 12 calculating, counting of X-axis sensor is respectively 0,1024,0,3072, the change in polarity of X-axis sensor is respectively 0 ,+, 0 ,-, there is alternately change in counting of Y-axis sensor, if with 12 calculating in a swing circle, counting of Y-axis sensor is respectively 1024,0,3072,0, the change in polarity of Y-axis sensor is respectively+, 0 ,-, 0; But roll in one week process at wheel 10, counting of Z axis sensor is zero with polarity.
Refer to shown in Fig. 4, wheel 10 is in roll counter-clockwise one week process, X-axis sensor, Y-axis sensor are inscribed and are all changed any two time, namely when Position1-> Position 2, Position 2-> Position 3, Position 3-> Position 4, Position 4-> Position 1, X-axis sensor, counting of Y-axis sensor change, then represent, wheel 10 is not static.
Refer to shown in Fig. 5, wheel 10 rolls in one week process at cw, X-axis sensor, Y-axis sensor are inscribed and are all changed any two time, namely when Position1-> Position 4, Position 4-> Position 3, Position 3-> Position 2, Position 2-> Position 1, X-axis sensor, counting of Y-axis sensor change, then represent, wheel 10 is not static.
Refer to shown in Fig. 6, the present invention gathers the signal of wheel 10 X-axis sensor, Y-axis sensor and Z axis sensor in quiescing process, it comprises count (counts) and polarity (polarity), when wheel 10 is static, the parameter of Position1, Position2, Position3, Position4 is identical, namely, counting of X-axis sensor, Y-axis sensor does not all change with polarity, remain a kind of state, then represent, wheel 10 is static.
The signal that the signal that the present invention can gather X-axis sensor or Y-axis sensor in automobile parking process is inscribed two time; and the change that the signal calculating X-axis sensor or Y-axis sensor is inscribed two time is to obtain the whether static judged result of wheel 10; it is accurately convenient to detect, to guarantee the safety of self-propelled vehicle when tilted road surface parking.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claim.
Claims (8)
1. a wheel stationary monitoring device, is characterized in that comprising:
Detecting module, it to be fixed on wheel and to comprise three axle accelerators, processing module and wireless transmitter module, wherein, described three axle accelerators have X-axis sensor, Y-axis sensor and Z axis sensor, the wherein direction of Z axis and the center shaft of wheel is parallel or overlap, and described three axle accelerators are in order to sense the wheel signal that X-axis sensor, Y-axis sensor and Z axis sensor are inscribed two time in braking during standstill process; Described processing module connects described three axle accelerators, and the change that the signal that described processing module calculates X-axis sensor or Y-axis sensor is inscribed two time is to judge that whether wheel is static; Described wireless transmitter module connects described processing module, and judged result sends with wireless transmission method by described wireless transmitter module;
Monitoring module, it is positioned at user's observable region and comprises wireless receiving module and reminding module, and described wireless receiving module receives judged result with wireless transmission method, and by reminding module, judged result is fed back to user.
2. wheel stationary monitoring device according to claim 1, is characterized in that: described three axle accelerators are KXTF9.
3. wheel stationary monitoring device according to claim 1, is characterized in that: described reminding module is read-out.
4. wheel stationary monitoring device according to claim 1, is characterized in that: described detecting module is fixed on wheel hub.
5. wheel stationary monitoring device according to claim 1, is characterized in that: described wheel stationary monitoring device comprises some detecting modules, and described detecting module is individually fixed on a wheel.
6. wheel stationary monitoring device according to claim 1, it is characterized in that: the signal of described three axle accelerator sensing X-axis sensors, Y-axis sensor and Z axis sensor comprises counts and polarity, and when inscribing unchanged when the signal of X-axis sensor or Y-axis sensor is at two, described processing module judges that wheel is static.
7. wheel stationary monitoring device according to claim 1, is characterized in that: described monitoring module is fixed on Auto Instrument desk.
8. wheel stationary monitoring device according to claim 1, is characterized in that: described wireless transmission method is Bluetooth transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110304967.5A CN103042999B (en) | 2011-10-11 | 2011-10-11 | Wheel static monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110304967.5A CN103042999B (en) | 2011-10-11 | 2011-10-11 | Wheel static monitoring device |
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| Publication Number | Publication Date |
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| CN103042999A CN103042999A (en) | 2013-04-17 |
| CN103042999B true CN103042999B (en) | 2015-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110304967.5A Expired - Fee Related CN103042999B (en) | 2011-10-11 | 2011-10-11 | Wheel static monitoring device |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108549360A (en) * | 2018-03-30 | 2018-09-18 | 北京长城华冠汽车技术开发有限公司 | Vehicle failure local diagnostic method and diagnostic system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1056657A (en) * | 1990-05-18 | 1991-12-04 | 戴宇宙 | car parking anti-skid system |
| CN101498621A (en) * | 2009-02-24 | 2009-08-05 | 华南理工大学 | Wheel-loaded intelligent sensing wheel movement attitude monitoring method |
| CN101979256A (en) * | 2010-11-12 | 2011-02-23 | 大连民族学院 | Energy-saving automobile tyre burst early warning system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004352117A (en) * | 2003-05-29 | 2004-12-16 | Toyota Motor Corp | Vehicle traveling control device and parking assist device |
| US7522985B2 (en) * | 2003-12-12 | 2009-04-21 | Siemens Aktiengesellschaft | Method and arrangement for monitoring a measuring device located in a wheeled vehicle |
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- 2011-10-11 CN CN201110304967.5A patent/CN103042999B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1056657A (en) * | 1990-05-18 | 1991-12-04 | 戴宇宙 | car parking anti-skid system |
| CN101498621A (en) * | 2009-02-24 | 2009-08-05 | 华南理工大学 | Wheel-loaded intelligent sensing wheel movement attitude monitoring method |
| CN101979256A (en) * | 2010-11-12 | 2011-02-23 | 大连民族学院 | Energy-saving automobile tyre burst early warning system |
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| CN103042999A (en) | 2013-04-17 |
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