CN105865598A - Dynamic real-time monitoring system and method of car - Google Patents
Dynamic real-time monitoring system and method of car Download PDFInfo
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- CN105865598A CN105865598A CN201610288218.0A CN201610288218A CN105865598A CN 105865598 A CN105865598 A CN 105865598A CN 201610288218 A CN201610288218 A CN 201610288218A CN 105865598 A CN105865598 A CN 105865598A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
- G01G19/08—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for incorporation in vehicles
Abstract
The invention discloses a dynamic real-time monitoring system and method of a car. The monitoring system comprises a front-end sensing device, a car weighing monitoring terminal and a background data processing device. The front-end sensing device comprises at least one set of sensors arranged on a frame of the car or arranged on a spring steel plate of a car suspension system. The car weighing monitoring terminal comprises a signal processing module, a satellite positioning module, a video monitoring module and a wireless transmission module. The background data processing device comprises a data storage module, a data query module and a data analysis module. The monitoring method comprises the steps of mounting preparation, real-time monitoring and information processing. The monitoring system can monitor car information effectively in real time, the car information comprises car travelling tracks, travelling time, real-time load or weight changes, car video information, the car travelling state, the service life corresponding to the amplitude and frequency of a spring sheet and the like, and the car is monitored comprehensively and precisely in real time. According to the monitoring method, the car can be monitored and guided comprehensively and precisely in real time, and safety driving guarantee is improved.
Description
Technical field
The present invention relates to a kind of field of vehicle detection, particularly to a kind of vehicle dynamic real-time monitoring system and monitoring method.
Background technology
What the mode of vehicle weighing was commonly used at present is weighbridge, and the application of weighbridge vehicle weighing the most widely, which includes vehicle on highway charge station, factory, warehouse etc..But the mode being because weight bridge weighing is fixed point weighs, and weigh is the weight of whole vehicle, it is impossible to obtain the weight of vehicle load, also cannot obtain the weight data in vehicle travel process simultaneously；Additionally, weight bridge weighing response speed is too slow, bulky, install and troublesome maintenance, it is impossible to realize the real-time load-carrying to vehicle and carry out dynamic realtime Monitoring and Controlling, such as monitoring vehicle real-time load, overload warning, wheelpath, vehicle location location etc..
To this, Chinese Patent Application No. CN201320521240.7 discloses a kind of vehicle real-time weighing monitoring system, and its method used is by installing at least one angle measuring sensor on the steel spring plate of vehicle, is used for measuring vehicle load；The angle measuring sensor being loaded on crossbeam, is used for correcting the gradient, and then it is connected with digital concentrator and central processing unit again, the load-carrying obtaining vehicle shows in real time, overload alarm, printing vehicle load condition, location vehicle location and driving trace.
Although the program does not change any structure of car body, but its deficiency existed is, what dependence measured by the angular transducer used is horizontal reference point, owing to vehicle is in motor process, road surface is it is difficult to ensure that level always, also can be frequently encountered by and jolt, go up a slope, descending, its surface level reference point is in the middle of change, therefore measured corresponding steel spring plate deformation angle tolerance is inaccurate with reality, measured by the vehicle dynamic information such as load-carrying that obtains monitor in real time, the information such as overweight warning also can be inaccurate, error is bigger, and its vehicle real time amount being obtained in that is limited, cannot the most comprehensively react vehicle real time status and driving information, therefore the actual needs that vehicle dynamic is the most accurately monitored cannot be met.
Summary of the invention
It is an object of the invention to overcome the employing in the presence of prior art to be measured by angular transducer on adverbial modifier's crossbeam, it is inaccurate with reality that dependency level reference point measures corresponding steel spring plate deformation angle tolerance, measured by the vehicle dynamic information such as load-carrying that obtains monitor in real time, the information such as overweight warning also can inaccurate, error is bigger, and quantity of information is limited, the actual above-mentioned deficiency that vehicle dynamic is the most accurately monitored needs cannot be met, a kind of vehicle dynamic real-time monitoring system is provided, additionally provides a kind of vehicle dynamic method for real-time monitoring simultaneously.
In order to realize foregoing invention purpose, the invention provides techniques below scheme:
A kind of vehicle dynamic real-time monitoring system, including:
Front end sensing device, including least one set sensor, the most often group sensor includes at least two obliquity sensor, and all described obliquity sensor often organizing sensor is all located on the vehicle frame of vehicle, or is located in the most same sheet steel of vehicle suspension system steel spring plate；
Vehicle weighing monitor terminal, including obtaining described vehicle frame according to described obliquity sensor measurement or steel spring plate amount of deflection changing value obtains the signal processing module by load force value and accekeration, for the satellite positioning module to vehicle real-time positioning, video and the video monitoring module of sound collection inside and outside by car, for by vehicle real-time load information, positional information, the wireless transport module of video sound collection information transmission；
Back-end data processing means, including the data memory module monitoring information for receiving and store the vehicle dynamic of described wireless transport module transmission in real time, for the data inquiry module of enquiring vehicle dynamic real-time monitor information, and monitor the information data analysis module whether compliant operates in real time for analyzing vehicle dynamic.
A kind of vehicle dynamic real-time monitoring system of the present invention, by installing least one set sensor on each vibration damper steel plate or vehicle frame, often group sensor includes two obliquity sensors；In a sheet steel on steel spring plate, any two obliquity sensor is θ relative to two normal angles of place sheet steel sensitive face, when car load that what this angle theta was corresponding is acts on vehicle frame, it is delivered to the deformation (or degree of disturbing) that automobile suspension system steel spring plate causes, this deformation quantity and load weight (abbreviation load-carrying) are directly related, are measured and calculate the variable quantity of this angle theta or angle by data processorObtain this steel spring plate correspondence vehicle load value M, when often organizing when sensor is located on vehicle frame in like manner.It uses any two obliquity sensor often organizing sensor relative to sheet steel sensitive face or the measurement of two normal angles of vehicle frame, and then obtains this vehicle load value.Therefore, by each two obliquity sensor the most corresponding with the variable quantity of junction point be the deflection of steel spring plate amount of deflection, it is adapted to all-terrain baby, no matter vehicle horizontal versions, upward slope descending, or jolt, all without the position affecting junction point, measured steel spring plate deformation angle tolerance is more nearly with actual, measured by the vehicle dynamic load-carrying that obtains the most accurate, error is less, exports a magnitude of voltage by the deflection of amount of deflection, the corresponding steel spring plate deformation value demarcated, namely corresponding load value.
This monitoring system can effectively realize monitoring in real time information of vehicles, including the information such as the change of vehicle driving trace, running time, real-time load or weight, automobile video frequency information, vehicle running state, life-span that spring leaf amplitude-frequency is corresponding, it is achieved to vehicle accurate monitoring in real time more comprehensively.
Preferably, including two sensors, i.e. four obliquity sensors are the most all located at the corner location of described vehicle frame.
Four obliquity sensors are respectively arranged on the corner of described vehicle frame, by the two sensors measurement to automobile load weight, it is possible to be effectively improved the accuracy of detection of automobile load weight.
Preferably, when all obliquity sensors are all located on vehicle suspension system steel spring plate, the steel spring plate on all wheels of described vehicle both sides is equipped with one group of sensor, it is possible to increase the accuracy of detection of automobile load weight.
Preferably, described wireless transport module uses any one module or the communication module of any multiple combination in GSM, GPRS, CDMA, WCDMA and TD-LTE, it selects wherein one or more communication modules quickly the real-time load information of vehicle, positional information, video sound collection information parameter to be transmitted back-end data processing means according to actual needs.
Preferably, described signal processing module process the vehicle acceleration parameter that obtains include for show vehicle along travel direction anxious accelerate or the linear acceleration of anxious deceleration size, for showing vehicle lane change or turning time produce transverse acceleration, the vertical acceleration that travels traffic information for characterizing vehicle.
The signal processing module process to vehicle acceleration parameter, can also be included the real-time monitoring of the linear acceleration to vehicle, transverse acceleration, vertical acceleration, can the driving behavior real-time relevant information of real time reaction vehicle driver indirectly, such as whether relate to not meeting the information such as the violence driving of specification, dangerous driving.
Preferably, described vehicle weighing monitor terminal also includes that the vehicle abnormality situation for not meeting standard operation points out, with sound or optical information, the abnormal alarm module fed back.
This information not meeting standard operation includes, overload of vehicle, vehicle axle are abnormal, sensing unit is abnormal, vehicle travels warning abnormal, that vehicle driver travels the situations such as dystropy, in order to feedback information comes until adjusting vehicle to travel relevant information or behavior in time.
Preferably, described back-end data processing means also includes for vehicle dynamic monitors data presentation device that information carries out showing in real time, it is simple to observation and the monitoring to vehicle dynamic real time information intuitively.
Present invention also offers a kind of vehicle dynamic method for real-time monitoring, including vehicle dynamic real-time monitoring system described above, its monitoring method comprises the following steps:
Step one, installation prepare, front end sensing device i.e. all the sensors is arranged on described vehicle frame, or it is arranged on vehicle suspension system steel spring plate, and the signal processing module of vehicle weighing monitor terminal, video monitoring module, wireless transport module are arranged on described vehicle, electrically connect signal processing module and front end sensing device, and communication connects wireless transport module and described back-end data processing means；
Step 2, monitor in real time, start described front end sensing device, the work of vehicle weighing monitor terminal, in real time the monitoring real-time load information of vehicle, positional information, video sound collection information parameter；
Step 3, process information, described back-end data processing means stores respectively according to the real-time load information of vehicle, positional information, video sound collection information parameter, the inquiry of real-time parameter is provided, and data analysis module monitors information parameter in real time for vehicle dynamic, and whether compliant operation is analyzed operation.
The monitoring method using this monitoring system can facilitate, effectively monitor vehicle-related information in real time, including the information such as the change of vehicle driving trace, running time, real-time load or weight, automobile video frequency information, vehicle running state, life-span that spring leaf amplitude-frequency is corresponding, to realize the monitoring the most comprehensive, accurate, real-time to vehicle and guidance, improve safe driving to ensure, be particularly suited for the monitoring to vehicles such as lorry, engineering truck, passenger vehicles.
Preferably, described data analysis module obtains vehicle acceleration parameter variation value according to the change of vehicle real-time load information, vehicle acceleration parameter variation value is analyzed by described data analysis module further, process obtain can the information of side form reflection vehicle driver's driving behavior, including obtain vehicle acceleration parameter include for show vehicle along travel direction anxious accelerate or the linear acceleration of anxious deceleration size, for showing vehicle lane change or turning time produce transverse acceleration, the vertical acceleration that travels traffic information for characterizing vehicle.
Preferably, when described vehicle weighing monitor terminal also includes abnormal alarm module, step 3 processes after information completes and also include step 4, with sound or optical information mode, the vehicle abnormality situation not meeting standard operation is fed back to abnormal alarm module, and described abnormal alarm module carries out prompting feedback to vehicle drive people.
Compared with prior art, beneficial effects of the present invention:
null1、A kind of vehicle dynamic real-time monitoring system of the present invention，By installing least one set sensor on each vibration damper steel plate or vehicle frame，Often group sensor includes two obliquity sensors，Often group sensor includes at least two obliquity sensor，Any two obliquity sensor is installed in a sheet steel on steel spring plate or on vehicle frame，Often organize any two obliquity sensor of sensor relative to sheet steel sensitive face or the measurement of two normal angles of vehicle frame，And then obtain this vehicle load value，By each two obliquity sensor the most corresponding with the variable quantity of junction point be the deflection of steel spring plate amount of deflection，It is adapted to all-terrain baby，No matter vehicle horizontal versions，Upward slope descending，Or jolt，All without the position affecting junction point，Measured steel spring plate deformation angle tolerance is more nearly with actual，Measured by the vehicle dynamic load-carrying that obtains the most accurate，Error is less，A magnitude of voltage is exported by the deflection of amount of deflection，The corresponding steel spring plate deformation value demarcated，Namely correspondence load value；This monitoring system can effectively realize monitoring in real time information of vehicles, including the information such as the change of vehicle driving trace, running time, real-time load or weight, automobile video frequency information, vehicle running state, life-span that spring leaf amplitude-frequency is corresponding, it is achieved to vehicle accurate monitoring in real time more comprehensively；
2, vehicle dynamic real-time monitoring system of the present invention, the signal processing module process to vehicle acceleration parameter, can also be included the real-time monitoring of the linear acceleration to vehicle, transverse acceleration, vertical acceleration, can the driving behavior real-time relevant information of real time reaction vehicle driver indirectly, such as whether relate to not meeting the information such as the violence driving of specification, dangerous driving；
3, vehicle dynamic real-time monitoring system of the present invention, vehicle weighing monitor terminal also includes that the vehicle abnormality situation for not meeting standard operation points out, with sound or optical information, the abnormal alarm module fed back, in order to feedback information comes until adjusting vehicle traveling relevant information or behavior in time；
4, vehicle dynamic method for real-time monitoring of the present invention can facilitate, effectively monitor vehicle-related information in real time, including the information such as the change of vehicle driving trace, running time, real-time load or weight, automobile video frequency information, vehicle running state, life-span that spring leaf amplitude-frequency is corresponding, to realize the monitoring the most comprehensive, accurate, real-time to vehicle and guidance, improve safe driving to ensure, be particularly suited for the monitoring to vehicles such as lorry, engineering truck, passenger vehicles.
Accompanying drawing illustrates:
Fig. 1 is the structural representation that in the embodiment of the present invention 1, Weighing system is located on automobile spring plate；
Fig. 2 is the structural representation arranging one group of sensor in Fig. 1 on a kind of steel spring plate；
Fig. 3 is the structural representation arranging one group of sensor in Fig. 1 on another kind of steel spring plate；
Fig. 4 is the schematic diagram that in the embodiment of the present invention 1, obliquity sensor measures the change of steel spring plate degree of disturbing；
Fig. 5 is the polycrystalline substance schematic diagram of obliquity sensor in Fig. 1；
Fig. 6 is the schematic diagram that in Fig. 5, obliquity sensor is connected with sheet steel
Fig. 7 is the structural representation that in the embodiment of the present invention 2, meausring apparatus is located on automobile frame；
Fig. 8 is the top view of Fig. 7；
Fig. 9 is the schematic diagram that in Fig. 7, vehicle frame receives that load weight deforms upon；
Figure 10 is the structural representation of a kind of vehicle dynamic real-time monitoring system in the embodiment of the present invention 3；
Figure 11 is the fundamental diagram of vehicle dynamic method for real-time monitoring in the embodiment of the present invention 4.
Labelling in figure:
1, vehicle frame, 2, crossbeam, 3, vehicle bridge, 4, steel spring plate, 41, sheet steel, 5, wheel, 6, obliquity sensor, 61, magnetic, 62, groove, 63, adhered layer.
Detailed description of the invention
Below in conjunction with test example and detailed description of the invention, the present invention is described in further detail.But this should not being interpreted as, the scope of the above-mentioned theme of the present invention is only limitted to below example, and all technology realized based on present invention belong to the scope of the present invention.
Embodiment 1
As shown in figures 1 to 6, a kind of Weighing system for vehicle load, including:
Least one set sensor, the most often group sensor includes at least two obliquity sensor 6, and all obliquity sensors 6 often organizing sensor are all located in one of them sheet steel 41 of vehicle suspension system steel spring plate 4；
Data processor, often organizes all described obliquity sensor 6 of sensor for electrical connection.
Above-mentioned often group sensor includes at least two obliquity sensor 6, in a sheet steel 41 on steel spring plate 4, two normal angles of any two obliquity sensor 6 relative place sheet steel 41 sensitive face are set to θ, such as Fig. 2, shown in 3, when car load that what this angle theta was corresponding is acts on vehicle frame 1, it is delivered to the deformation (or degree of disturbing) that automobile suspension system steel spring plate 4 causes, this deformation quantity and load weight (abbreviation load-carrying) are directly related, the voltage signal of the variable quantity △ θ output of this angle theta or angle is measured and calculates by data processor 7, obtain corresponding vehicle load value M of this steel spring plate 4.
For Yi Ban, automobile spring plate 4 design is to use common curvature method, the curvature of the most each sheet steel 41 is equal, there is the principle of linear relationship about loading force and steel spring plate 4 Curvature varying, be known technology (such as: Li Yishi. certain Multi-Leaf Springs performance simulation based on finite element research [D]. Changsha: Hunan University's machinery and delivery engineering college .2007:36-37).Therefore deformed degree of the disturbing variable quantity of correspondence by detection steel spring plate 4, just can calculate vehicle load value or load-carrying changing value.
Consider different automobile, such as lorry, tank car, trucd mixer, there may be two distinct types of steel spring plate 4, as shown in Figure 2, for a kind of be the rear vibration damper steel plate of heavy-duty freight car and engineering truck, sheet steel 41 length increases the most successively, and two obliquity sensors 6 in one group of sensor downward, are mounted on above the longest steel plate of lower section by its bending direction；Another kind is as shown in Figure 3, for common vibration damper steel plate, sheet steel 41 length shortens the most successively, and its bending direction is upward, it is mainly used in the steel spring plate 4 of lorry propons, also two obliquity sensors 6 of one group of sensor is mounted on above the longest sheet steel 41 of top.
Degree of the disturbing variable quantity γ of both steel spring plates 4 deformation, variable angle θ of two corresponding obliquity sensors 6, its measuring principle is the same.As shown in Figure 4, before and after being reduced to the load loading change of the same steel spring plate 4 known steel spring plate of model 4, the intersection point of the corresponding sensitive surface normals of two obliquity sensors 6 being positioned in the longest sheet steel 41 be the center of circle be O and O ', radius is respectively R and R ', the angle of two obliquity sensors 6 is respectively θ and θ ', in these two center of circle sheet steel 41, between two obliquity sensors 6, link pitch is respectively L and L ', the chord length of two centers of circle and two obliquity sensor 6 lines is respectively d and d ', it can thus be appreciated that:
By variable angle θ and the θ ' of two obliquity sensors 6, it is possible to calculate steel spring plate 4 degree of disturbing variable quantity, thus extrapolate the loading force F of each steel spring plate 4, then the power sum that all steel spring plates 4 load is exactly the loading capacity M of vehicle.The solution of the present invention, it is possible to the measurement of two normal angles by using relative sheet steel 41 sensitive face of any two obliquity sensor 6 often organizing sensor unlike the prior art, and then obtains this vehicle load value.nullRelative to prior art，Steel spring plate 4 is provided with at least two angular transducer，And do not select horizontal reference plane i.e. horizontal plane，The most no matter which kind of road conditions vehicle is positioned at，As road surface rises and falls、Upward slope or descending etc.，Whether vehicle frame 1 is in horizontal plane，How horizontal reference plane changes，The angle of two normals of this relative sheet steel 41 sensitive face of two obliquity sensors 6 is not produced impact，The angle that i.e. data processor obliquity sensor 6 that is measured and that process is measured，It doesn't matter with the real time position state of vehicle，When this steel spring plate 4 deforms upon，The variable quantity of two obliquity sensor 6 angles directly correspondence is that steel spring plate 4 deforms corresponding degree of disturbing variable quantity，It is adapted to all-terrain baby，Two obliquity sensor 6 variable angle on steel spring plate 4 measured by data processor，The i.e. deformation degree of disturbing of steel spring plate 4 is more nearly with actual，Measured by the vehicle dynamic load value that obtains the most accurate，Error is less，According to experiment gained，It measures the vehicle dynamic load value obtained，In level、Load-carrying dynamic measurement error on the road surface such as rough road and climb and fall can control within 5%，Load-carrying static measurement error can control within 3%，Within static measurement error even can reach 1%，Can be good at meeting and be actually needed.
Embodiment 2
As is seen in figs 7-10, a kind of meausring apparatus for vehicle load, including:
Least one set sensor, the most often group sensor includes at least two obliquity sensor 6, and all obliquity sensors 6 often organizing sensor are all located on the vehicle frame 1 of vehicle；
Data processor, often organizes all described obliquity sensor 6 of sensor for electrical connection.
Above-mentioned often group sensor includes at least two obliquity sensor 6, on vehicle frame 1, two normal angles of any two obliquity sensor 6 relative place vehicle frame 1 sensitive face are set to θ, as shown in Figure 3, when car load that what this angle theta was corresponding is acts on vehicle frame 1, it is delivered on vehicle frame 1 deformation (or degree of disturbing) caused, this deformation quantity and load weight (abbreviation load-carrying) are directly related, measured and calculate the voltage signal of the variable quantity △ θ output of this angle theta or angle by data processor, obtain corresponding vehicle load value M of this vehicle frame 1.For Yi Ban, automobile frame 1 bears load weight, and small bending can transversely occur, bend generally towards direction, ground, about the relation of loading force Yu vehicle frame 1 deformation, as the variation relation of loading force and steel spring plate 4, all there is the principle of linear relationship, be known technology.Therefore deformed degree of the disturbing variable quantity of correspondence by detection vehicle frame 1, just can calculate vehicle load value or load-carrying changing value.
Consider automobile, especially lorry, oil truck, concrete mixer truck, bear load weight in the middle of its vehicle frame 1 heavier, two ends are relatively light, and vehicle frame 1 can bend, and the bending direction of vehicle frame is downward, when load weight changes, the bending curvature of vehicle frame 1 also can change.Assuming that degree of the disturbing variable quantity γ of vehicle frame 1 deformation, variable angle θ of two corresponding obliquity sensors 6, its measuring principle is the same.By variable angle θ and the θ ' of two obliquity sensors 6, it is possible to calculate degree of the disturbing variable quantity of vehicle frame 1, thus extrapolate the loading force F often organizing sensor on vehicle frame 1, then on vehicle frame 1, all the sensors loading force sum is exactly the loading capacity M of vehicle.
Unlike the prior art, the solution of the present invention by using the measurement of two normal angles of any two obliquity sensor 6 relative frame 1 sensitive face often organizing sensor, and then can obtain this vehicle load value.nullRelative to prior art，Vehicle frame 1 is provided with at least two angular transducer 6，Horizontal reference plane i.e. horizontal plane need not be chosen，The most no matter which kind of road conditions vehicle is positioned at，As road surface rises and falls、Upward slope or descending etc.，Whether vehicle frame 1 is in horizontal plane，How horizontal reference plane changes，The angle of two normals of these two obliquity sensor 6 relative frame 1 sensitive faces is not produced impact，The angle that i.e. data processor 7 obliquity sensor 6 that is measured and that process is measured，It doesn't matter with the real time position state of vehicle，When this vehicle frame 1 deforms upon，The variable quantity of two obliquity sensor 6 angles directly correspondence is that vehicle frame 1 deforms corresponding degree of disturbing variable quantity，It is adapted to all-terrain baby，Two obliquity sensor 6 variable angle on vehicle frame measured by data processor，The i.e. deformation degree of disturbing of vehicle frame 1 is more nearly with actual，Measured by the vehicle dynamic load value that obtains the most accurate，Error is less；According to experiment gained, it measures the vehicle dynamic load value obtained, load-carrying dynamic measurement error on the road surfaces such as level, rough road and climb and fall can control within 4%, load-carrying static measurement error can control within 2%, within static measurement error even can reach 1%, can be good at meeting is actually needed easy installation and reliable, is particularly suited for oil truck, the load value of concrete mixer truck dynamically detects and monitors.
Embodiment 3
As shown in Figure 10, a kind of vehicle dynamic real-time monitoring system, including:
1) front end sensing device, including least one set sensor, the most often group sensor includes at least two obliquity sensor, the all described obliquity sensor often organizing sensor is all located in the most same sheet steel of vehicle suspension system steel spring plate (as described in Example 1), or is located on the vehicle frame of shown vehicle (as described in Example 2)；
2) vehicle weighing monitor terminal, including: 2a) signal processing module, the angle differential conversion obtaining described vehicle frame or steel spring plate deformation generation according to described obliquity sensor measurement obtains corresponding amount of deflection changing value, by amount of deflection-power corresponding relation formula, it is calculated vehicle by load force value and accekeration；2b) satellite positioning module, for vehicle real-time positioning；2c) video monitoring module, is acquired preserving by the video outside Che Nei and car and sound by high-definition digital photographic head；2d) wireless transport module, carries out being transferred to backstage towards emission by vehicle real-time load information, positional information, video sound collection information；
3) back-end data processing means, including: 3a) data memory module, monitor information in real time, including vehicle real-time load information, positional information, video sound collection information for receiving and store the vehicle dynamic of wireless transport module transmission；3b) data inquiry module, for enquiring vehicle dynamic real-time monitor information；3c) data analysis module, is used for analyzing vehicle dynamic and monitors the information whether information such as compliant operation, vehicle self health status in real time.
Above-mentioned front end sensing device can include that two sensors, i.e. four obliquity sensors are the most all located at the corner location of described vehicle frame, by the two sensors measurement to automobile load weight, it is possible to be effectively improved the accuracy of detection of automobile load weight.Above-mentioned front end sensing device can also is that when all obliquity sensors are all located on vehicle suspension system steel spring plate, the steel spring plate on all wheels of described vehicle both sides is equipped with one group of sensor, it is possible to increase the accuracy of detection of automobile load weight.
The wireless transport module of above-mentioned employing can select any one module or the communication module of any multiple combination in GSM, GPRS, CDMA, WCDMA and TD-LTE, it selects wherein one or more communication modules quickly the real-time load information of vehicle, positional information, video sound collection information parameter to be transmitted back-end data processing means according to actual needs.
It addition, signal processing module process the vehicle acceleration parameter that obtains include for show vehicle along travel direction anxious accelerate or the linear acceleration of anxious deceleration size, for showing vehicle lane change or turning time produce transverse acceleration, the vertical acceleration that travels traffic information for characterizing vehicle.By the signal processing module process to vehicle acceleration parameter, can also be included the real-time monitoring of the linear acceleration to vehicle, transverse acceleration, vertical acceleration, can the driving behavior real-time relevant information of real time reaction vehicle driver indirectly, such as whether relate to not meeting the information such as the violence driving of specification, dangerous driving.
In order to feed back, also include that the vehicle abnormality situation for not meeting standard operation points out, with sound or optical information, the abnormal alarm module fed back at vehicle weighing monitor terminal.The information wherein not meeting standard operation includes, overload of vehicle, vehicle axle are abnormal, sensing unit is abnormal, vehicle travels warning abnormal, that vehicle driver travels the situations such as dystropy, in order to feedback information comes until adjusting vehicle to travel relevant information or behavior in time.For the ease of observation and monitoring to vehicle dynamic real time information intuitively, back-end data processing means also includes for vehicle dynamic monitors data presentation device that information carries out showing in real time.
A kind of vehicle dynamic real-time monitoring system of the present invention, by installing least one set sensor on each vibration damper steel plate or vehicle frame, often group sensor includes two obliquity sensors, often group sensor includes at least two obliquity sensor, in a sheet steel on steel spring plate, any two obliquity sensor is θ relative to two normal angles of place sheet steel sensitive face, when car load that what this angle theta was corresponding is acts on vehicle frame, it is delivered to the deformation (or degree of disturbing) that automobile suspension system steel spring plate causes, this deformation quantity and load weight (abbreviation load-carrying) are directly related, measured and calculate the variable quantity of this angle theta or angle by data processorObtain this steel spring plate correspondence vehicle load value M, when often organizing when sensor is located on vehicle frame in like manner.It uses any two obliquity sensor often organizing sensor relative to sheet steel sensitive face or the measurement of two normal angles of vehicle frame, and then obtains this vehicle load value.Therefore, by each two obliquity sensor the most corresponding with the variable quantity of junction point be the deflection of steel spring plate amount of deflection, it is adapted to all-terrain baby, no matter vehicle horizontal versions, upward slope descending, or jolt, all without the position affecting junction point, measured steel spring plate deformation angle tolerance is more nearly with actual, measured by the vehicle dynamic load-carrying that obtains the most accurate, error is less, exports a magnitude of voltage by the deflection of amount of deflection, the corresponding steel spring plate deformation value demarcated, namely corresponding load value.
This monitoring system can effectively realize monitoring in real time information of vehicles, including the information such as the change of vehicle driving trace, running time, real-time load or weight, automobile video frequency information, vehicle running state, life-span that spring leaf amplitude-frequency is corresponding, it is achieved to vehicle accurate monitoring in real time more comprehensively.
Embodiment 4
As shown in figure 11, a kind of vehicle dynamic method for real-time monitoring, including the described vehicle dynamic real-time monitoring system in embodiment 3, its monitoring method comprises the following steps:
Step one, installation prepare, front end sensing device i.e. all the sensors is arranged on described vehicle frame, or it is arranged on vehicle suspension system steel spring plate, and the signal processing module of vehicle weighing monitor terminal, video monitoring module, wireless transport module are arranged on described vehicle, electrically connect signal processing module and front end sensing device, and communication connects wireless transport module and described back-end data processing means；
Step 2, monitor in real time, start described front end sensing device, the work of vehicle weighing monitor terminal, in real time the monitoring real-time load information of vehicle, positional information, video sound collection information parameter；
Step 3, process information, described back-end data processing means stores respectively according to the real-time load information of vehicle, positional information, video sound collection information parameter, the inquiry of real-time parameter is provided, and data analysis module monitors information parameter in real time for vehicle dynamic, and whether compliant operation is analyzed operation.
Above-mentioned data analysis module obtains vehicle acceleration parameter variation value according to the change of vehicle real-time load information, vehicle acceleration parameter variation value is analyzed by described data analysis module further, process obtain can the information of side form reflection vehicle driver's driving behavior, including obtain vehicle acceleration parameter include for show vehicle along travel direction anxious accelerate or the linear acceleration of anxious deceleration size, for showing vehicle lane change or turning time produce transverse acceleration, the vertical acceleration that travels traffic information for characterizing vehicle.When vehicle weighing monitor terminal also abnormal alarm module, step 3 processes after information completes and also include step 4, the vehicle abnormality situation that will not meet standard operation feeds back to abnormal alarm module with sound or optical information mode, and described abnormal alarm module carries out prompting feedback to vehicle drive people.
The monitoring method using this monitoring system can facilitate, effectively monitor vehicle-related information in real time, including the information such as the change of vehicle driving trace, running time, real-time load or weight, automobile video frequency information, vehicle running state, life-span that spring leaf amplitude-frequency is corresponding, to realize the monitoring the most comprehensive, accurate, real-time to vehicle and guidance, improve safe driving to ensure, be particularly suited for the monitoring to vehicles such as lorry, engineering truck, passenger vehicles.
The foregoing is only presently preferred embodiments of the present invention; not in order to limit the present invention; obliquity sensor 6 all can be replaced conventional gyroscope as used in the present invention; all any amendment, equivalent and improvement etc. made within the spirit and principles in the present invention, should be included within the scope of the present invention.
Claims (10)
1. a vehicle dynamic real-time monitoring system, it is characterised in that including:
Front end sensing device, including least one set sensor, the most often group sensor includes at least two inclination angle
Sensor (6), all described obliquity sensor (6) often organizing sensor is all located on the vehicle frame (1) of vehicle,
Or it is located in the most same sheet steel (41) of vehicle suspension system steel spring plate (4)；
Vehicle weighing monitor terminal, obtains described vehicle frame (1) or bullet including measuring according to described obliquity sensor (6)
Spring steel plate (4) amount of deflection changing value obtains the signal processing module by load force value and accekeration, is used for
Satellite positioning module to vehicle real-time positioning, for by video inside and outside vehicle and the video of sound collection
Monitoring module, for by vehicle real-time load information, positional information, the transmission of video sound collection information
Wireless transport module；
Back-end data processing means, including dynamic for receiving and store the vehicle of described wireless transport module transmission
State monitors the data memory module of information in real time, for the data of enquiring vehicle dynamic real-time monitor information
Enquiry module, and monitor the information data whether compliant operates in real time for analyzing vehicle dynamic
Analyze module.
Vehicle dynamic real-time monitoring system the most according to claim 1, it is characterised in that include two groups of biographies
Sensor, i.e. four obliquity sensors (6) are the most all located at the corner location of described vehicle frame (1).
Vehicle dynamic real-time monitoring system the most according to claim 1, it is characterised in that when all inclination angles
When sensor (6) is all located on vehicle suspension system steel spring plate (4), all wheels of described vehicle both sides
(5) it is equipped with one group of sensor on the steel spring plate (4) on.
Vehicle dynamic real-time monitoring system the most according to claim 1, it is characterised in that described wireless biography
Defeated module uses any one module in GSM, GPRS, CDMA, WCDMA and TD-LTE
Or the communication module of any multiple combination.
Vehicle dynamic real-time monitoring system the most according to claim 1, it is characterised in that at described signal
The vehicle acceleration parameter that reason resume module obtains includes for showing that vehicle accelerates along travel direction is anxious
Or the linear acceleration of anxious deceleration size, for showing vehicle lane change or turning time produce laterally accelerate
Spend, travel for characterizing vehicle the vertical acceleration of traffic information.
6. according to the arbitrary described vehicle dynamic real-time monitoring system of claim 1-5, it is characterised in that described
Vehicle weighing monitor terminal also include for do not meet the vehicle abnormality situation of standard operation with sound or
The abnormal alarm module of optical information prompting feedback.
Vehicle dynamic real-time monitoring system the most according to claim 6, it is characterised in that described rear number of units
Also include according to processing means for vehicle dynamic being monitored in real time the data display dress that information carries out showing
Put.
8. a vehicle dynamic method for real-time monitoring, it is characterised in that include as described in claim 1-7 is arbitrary
Vehicle dynamic real-time monitoring system, its monitoring method comprises the following steps:
Step one, installation prepare, and are arranged on by front end sensing device i.e. all the sensors on described vehicle frame (1),
Or be arranged on vehicle suspension system steel spring plate (4), and by the signal of vehicle weighing monitor terminal
Reason module, video monitoring module, wireless transport module are arranged on described vehicle, at electrical connection signal
Reason module and front end sensing device, and communication connects wireless transport module and described back-end data processes dress
Put；
Step 2, monitor in real time, start described front end sensing device, the work of vehicle weighing monitor terminal, real
Time monitoring the real-time load information of vehicle, positional information, video sound collection information parameter；
Step 3, processing information, described back-end data processing means is according to the real-time load information of vehicle, position
Confidence breath, video sound collection information parameter store respectively, it is provided that the inquiry of real-time parameter, with
And data analysis module monitors information parameter in real time for vehicle dynamic, and whether compliant operation is carried out
Analyze operation.
Vehicle dynamic method for real-time monitoring the most according to claim 8, it is characterised in that described data are divided
Analysis module obtains vehicle acceleration parameter variation value, described number according to the change of vehicle real-time load information
Further vehicle acceleration parameter variation value is analyzed according to analyzing module, process and obtain reflecting by side form
The information of vehicle driver's driving behavior, includes for showing vehicle including obtaining vehicle acceleration parameter
Along the anxious acceleration of travel direction or the linear acceleration of anxious deceleration size, it is used for showing vehicle lane change or turning
Time produce transverse acceleration, for characterize vehicle travel traffic information vertical acceleration.
Vehicle dynamic method for real-time monitoring the most according to claim 8, it is characterised in that when described vehicle
When weighing monitoring terminal also includes abnormal alarm module, the information that processes in step 3 also includes step after completing
Rapid four, the vehicle abnormality situation not meeting standard operation is fed back to exception with sound or optical information mode
Alarm module, described abnormal alarm module carries out prompting feedback to vehicle drive people.
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| CN201610288218.0A CN105865598A (en) | 2016-05-04 | 2016-05-04 | Dynamic real-time monitoring system and method of car |
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Application publication date: 20160817 |