CN108387300A - A kind of Intelligent Dynamic is weighed testing and analysis system integrated with axle for vehicle tyre-model shaft number - Google Patents
A kind of Intelligent Dynamic is weighed testing and analysis system integrated with axle for vehicle tyre-model shaft number Download PDFInfo
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- CN108387300A CN108387300A CN201810192314.4A CN201810192314A CN108387300A CN 108387300 A CN108387300 A CN 108387300A CN 201810192314 A CN201810192314 A CN 201810192314A CN 108387300 A CN108387300 A CN 108387300A
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- 238000004458 analytical method Methods 0.000 title claims abstract description 29
- 238000012360 testing method Methods 0.000 title claims abstract description 27
- 239000000919 ceramic Substances 0.000 claims abstract description 47
- 239000002033 PVDF binder Substances 0.000 claims abstract description 43
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims abstract description 43
- 238000012545 processing Methods 0.000 claims abstract description 41
- 238000001514 detection method Methods 0.000 claims abstract description 20
- 239000010408 film Substances 0.000 claims description 37
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 27
- 239000003822 epoxy resin Substances 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 13
- 229920000647 polyepoxide Polymers 0.000 claims description 13
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 239000010409 thin film Substances 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 238000005303 weighing Methods 0.000 abstract description 17
- 238000010276 construction Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 229910001369 Brass Inorganic materials 0.000 description 2
- 230000003321 amplification Effects 0.000 description 2
- 239000010951 brass Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000010412 perfusion Effects 0.000 description 2
- 229910052573 porcelain Inorganic materials 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000010181 polygamy Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
- G01G19/02—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing wheeled or rolling bodies, e.g. vehicles
- G01G19/025—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing wheeled or rolling bodies, e.g. vehicles wheel-load scales
- G01G19/027—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing wheeled or rolling bodies, e.g. vehicles wheel-load scales using electrical weight-sensitive devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
- G01G19/02—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing wheeled or rolling bodies, e.g. vehicles
- G01G19/021—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing wheeled or rolling bodies, e.g. vehicles having electrical weight-sensitive devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
- G01G19/02—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing wheeled or rolling bodies, e.g. vehicles
- G01G19/03—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing wheeled or rolling bodies, e.g. vehicles for weighing during motion
- G01G19/035—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing wheeled or rolling bodies, e.g. vehicles for weighing during motion using electrical weight-sensitive devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G3/00—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances
- G01G3/12—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances wherein the weighing element is in the form of a solid body stressed by pressure or tension during weighing
- G01G3/13—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances wherein the weighing element is in the form of a solid body stressed by pressure or tension during weighing having piezoelectric or piezoresistive properties
Abstract
It weighs testing and analysis system integrated with axle for vehicle tyre-model shaft number the invention discloses a kind of Intelligent Dynamic comprising sensor, signal amplifier, data converter and data acquisition processing device；The sensor generates waveform signal when vehicle rolls, and is transmitted to data acquisition processing device through signal amplifier, data converter, data acquisition processing device calculates vehicle data information according to waveform signal；The testing and analysis system includes dynamic weigher and vehicle spindle-type detection device；Wherein, the dynamic weigher uses PVDF piezoelectric film sensors, the vehicle spindle-type detection device uses ceramic pressure sensor, the signal obtained by PVDF piezoelectric film sensors and ceramic pressure sensor then obtains the data information of vehicle respectively through signal amplifier and data converter to data acquisition processing device.The system becomes one dynamic weighing function and spindle-type vehicle detection function, construction is simple, and cost is less than homogeneous system, simplifies the complexity of system.
Description
Technical field
The present invention relates to vehicle detection analysis system, it is specifically related to a kind of Intelligent Dynamic and weighs and axle for vehicle tyre-model shaft number
Integrated testing and analysis system.
Background technology
Field is administered in intelligent transportation overrun and overload, to improve highway service efficiency, it is necessary to in normal operation
Goods stock carries out not parking detection, to obtain the actual mass and its number of axle tire number and spindle-type vehicle, limit for tonnage quality of the vehicle
Etc. data.
Traditional solution, can be right there are the stress point on protrusion road surface usually using strain gauge pressure sensor, so its
Goods stock normal operation has some impact on；And conventional high rate highway previewing system dynamic weighing and the detection of vehicle spindle-type are distinguished
Using two sets of autonomous devices and system, have that installation is inconvenient, debugging is complicated, it is of high cost, the shortcomings of inconvenient extensive use.
Wherein, ceramics be a kind of generally acknowledged high resiliency, anticorrosive, wear-resistant, shock resistance and vibration material.The heat of ceramics
Stability characteristic (quality) and its thick-film resistor can make its operating temperature range be up to -40 ~ 135 DEG C, and high-precision with what is measured
Degree, high stability.Electric insulation degree>2kV, output signal is strong, and long-time stability are good.High characteristic, the ceramic sensor of low price
Device by be pressure sensor developing direction；To which ceramic pressure sensor is applied to goods stock vehicle spindle-type detection field
Also it is a kind of trend of following development.
Invention content
It weighs technical problem to be solved by the present invention lies in a kind of Intelligent Dynamic of offer and axle for vehicle tyre-model shaft number is integrated
Change testing and analysis system, efficiently solve and the goods stock in normal operation is carried out in not parking detection process at present,
Inaccurately；And conventional high rate highway previewing system dynamic weighing and the detection of vehicle spindle-type using two sets of autonomous devices and are respectively
It unites, has and inconvenient, debugging complexity is installed, of high cost, detecting system is more complex, the above-mentioned problem such as inconvenient extensive use.
The technical problems to be solved by the invention are realized using following technical scheme：
A kind of Intelligent Dynamic is weighed testing and analysis system integrated with axle for vehicle tyre-model shaft number comprising sensor, signal amplification
Device, data converter and data acquisition processing device；The sensor generates waveform signal when vehicle rolls, and amplifies through signal
Device, data converter are transmitted to data acquisition processing device, and data acquisition processing device calculates vehicle data according to waveform signal
Information；The testing and analysis system includes dynamic weigher and vehicle spindle-type detection device；Wherein, the dynamic weigher is adopted
With PVDF piezoelectric film sensors, the signal that is obtained by PVDF piezoelectric film sensors through signal amplifier and data converter extremely
Data acquisition processing device then obtains the axis weight of passed through lorry and the complete vehicle quality of the goods stock；The vehicle axis
Type detection device uses ceramic pressure sensor, and the signal obtained by ceramic pressure sensor is through signal amplifier and data conversion
Device then obtains the number of axle, tire quantity, vehicle and the limit for tonnage quality by lorry to data acquisition processing device.
The present invention further improvement lies in that：The sensor includes PVDF piezoelectric film sensors and ceramic pressure sensing
Device, and the PVDF piezoelectric film sensors and ceramic pressure sensor are integrated.
The present invention further improvement lies in that：The sensor includes shell, and pedestal, the bottom are fixed in the shell
Seat is equipped with spacing board, wherein is fixed in spacing board side on the pedestal and is uniformly provided with several mounting brackets, on the pedestal
Side is equipped with PVDF piezoelectric film sensors in the spacing board other side；Wherein, it is from top to bottom equipped with successively inside the mounting bracket
Sealing ring, ceramic pressure sensor and compression ring；Temperature sensor, and the temperature sensing is arranged in the top of described pedestal one end
Device is set to the side that spacing board is equipped with mounting bracket.
The present invention further improvement lies in that：The full epoxy resin encapsulated material of filling in cavity above the shell interior base
Material, and the PVDF piezoelectric film sensors and temperature sensor are positioned by epoxy resin encapsulated.
The present invention further improvement lies in that：The mounting bracket bottom end is fixedly connected with pedestal, and the pedestal corresponds to peace
Dress frame bottom is through-hole.
The present invention further improvement lies in that：Certain distance is equipped between the pedestal and housing bottom.
The present invention further improvement lies in that：The base dimensions are length x width x thickness=2m × 0.04m × 0.04m.
The present invention further improvement lies in that：It is uniformly fixed on the pedestal to be equipped with 16 equipped with ceramic pressure sensor
Mounting bracket, and 0.12m settings are spaced between each mounting bracket.
The present invention further improvement lies in that：16 road signal condition amplifiers and 16 tunnels built in the data acquisition processing device
The high speed MCU of 12 high speed data converters and integrated ARM32 of Cortex-M3 processors.
The present invention further improvement lies in that：It is 1 ~ 120km/h that the testing and analysis system, which is applicable in vehicle speed range,.
Advantageous effect of the present invention：The Intelligent Dynamic is weighed testing and analysis system integrated with axle for vehicle tyre-model shaft number, will
Dynamic weighing function and spindle-type vehicle detection function become one, by inside the shell structure of a sensor, installing
PVDF piezoelectric film sensors and ceramic pressure sensor, goods stock dynamic weighing can be completed at the same time by realizing a set of equipment
It is detected with vehicle spindle-type；With construction is simple, feature easy for installation, cost is also significantly less than homogeneous system, simplifies system
Complexity.
Sensor used by the testing and analysis system in use, is travelled in goods stock to the sensor
（PVDF piezoelectric film sensors and ceramic pressure sensor）When top, epoxy resin that tire passes through perfusion to the pressure on ground
Embedding Material is transmitted to sensor（PVDF piezoelectric film sensors and ceramic pressure sensor）Surface, sensor（PVDF piezoelectricity
Thin film sensor and ceramic pressure sensor）Compression deforms upon, output voltage signal.
Wherein, the ceramic pressure sensor in sensor constitutes sensor linear array, and is filled out using epoxy resin encapsulated material
It fills, degree of protection is higher；And due to being filled using epoxy resin encapsulated material, avoid the stress contact for having protrusion road surface, peace
It is completely equal with express highway pavement later to fill use, to not interfere with goods stock normal operation.
And ceramic pressure sensor has the advantages that small, corrosion resistance is strong, performance is stable, durable.
Description of the drawings
Fig. 1 is principle of the invention structural schematic diagram.
Fig. 2 is dynamic weighing data acquisition processing system flow chart of the present invention.
Fig. 3 is vehicle spindle-type of the present invention and tire number of axle data acquisition processing system flow chart.
Fig. 4 is inventive sensor overlooking structure diagram.
Fig. 5 is inventive sensor cross-sectional structure schematic diagram.
Wherein：1- shells, 2- pedestals, 21- through-holes, 3- mounting brackets, 4-O type sealing rings, 5- ceramic pressure sensors, 6-
Brass compression ring, 7- epoxy resin encapsulated materials, 8- spacing boards, 9-PVDF piezoelectric film sensors, 10- temperature sensors.
Specific implementation mode
In order to make the technical means, the creative features, the aims and the efficiencies achieved by the present invention be easy to understand, tie below
Conjunction is specifically illustrating, and the present invention is further explained.
As shown in Figures 1 to 3, a kind of Intelligent Dynamic is weighed testing and analysis system integrated with axle for vehicle tyre-model shaft number, packet
Include sensor, signal amplifier, data converter and data acquisition processing device；The sensor generates wave when vehicle rolls
Shape signal is transmitted to data acquisition processing device through signal amplifier, data converter, and data acquisition processing device is according to waveform
Signal calculates vehicle data information；The testing and analysis system includes dynamic weigher and vehicle spindle-type detection device；Wherein, institute
Stating dynamic weigher uses PVDF piezoelectric film sensors 9, the signal obtained by PVDF piezoelectric film sensors 9 to be put through signal
Big device and data converter to data acquisition processing device, then obtain passed through lorry axis weight and the goods stock it is whole
Vehicle quality；The vehicle spindle-type detection device uses ceramic pressure sensor 5, is passed through by the signal that ceramic pressure sensor 5 obtains
Signal amplifier and data converter then obtain the number of axle, tire quantity, the vehicle by lorry to data acquisition processing device
And limit for tonnage quality.
Wherein, data acquisition processing device includes dynamic weighing data acquisition processing system and vehicle spindle-type and tire number of axle number
According to acquisition processing system.
Specifically, dynamic weigher is by PVDF piezoelectric film sensors 9 and dynamic weighing data acquisition processing system group
At；Wherein, PVDF piezoelectric film sensors 9 use the I class PVDF intelligent transportation sensors of MSI companies of the U.S..Each track peace
The double PVDF piezoelectric film sensors 9 that dress is isometric with track and spacing is 3m, PVDF piezoelectric membranes are crossed by measurement wheel tire pressure
The travel speed of vehicle can be calculated in the time difference of sensor 9, meanwhile, also may be used using double PVDF piezoelectric film sensors 9
To improve the weighing precision of system.
Dynamic weighing data acquisition processing system uses STM32F407 microcontrollers, built-in 32 hardware floating points operation list
Member and 3 12 high-precision AD converters, can acquire the voltage signal from PVDF piezoelectric film sensors in real time
And calculation processing.
Wherein, dynamic weighing data acquisition processing system supports 8 tunnel analog signal inputs, the input of 8 railway digitals and 4 railway digitals
Output, a DS18B20 temperature sensor interface and 6 independent RS232 data-interfaces.
When the tire of driving vehicle presses through, PVDF piezoelectric film sensors 9 generate the voltage directly proportional to pressure size
Signal, this voltage signal exports period and tire, and to rest on the time on PVDF piezoelectric film sensors 9 identical, this voltage is believed
Number be sent into dynamic weighing data acquisition processing system, after signal amplifier and data converter and digital filtering by MCU into
Row integrates and is multiplied by speed, then carries out the axis that temperature-compensating can be obtained the goods stock（Group）Weight, by the freight in traveling
Each axis（Group）Heavy phase adds, and just obtains the complete vehicle quality of the goods stock.
Specifically, vehicle spindle-type detection device is by ceramic pressure sensor 5 and vehicle spindle-type and tire number of axle data acquisition
Reason system forms；Wherein, vehicle spindle-type and 16 road signal condition amplifiers and 16 tunnels built in tire number of axle data acquisition processing system
The high speed MCU of 12 speed A/D converters and integrated ARM32 of Cortex-M3 processors forms；And 16 potteries are used altogether
Porcelain pressure sensor, spacing 0.12m uniformly dispose setting.
Vehicle spindle-type and tire number of axle data acquisition processing system are using STM32F103 microcontrollers as core, in the controller
The Cortex-M3 processors and 16 road speed A/D converters of ARM 32 are set, there is the high speed processing energy for being equivalent to 80MIPS
Power can meet the real time data processing of 1 ~ 120km/h speeds.
When haulage vehicle passes through, 16 road ceramic pressure sensors 5 export the voltage signal that tire generates, respectively through signal
Amplifier and data converter are exported to vehicle spindle-type and tire number of axle data acquisition processing system, when vehicle spindle-type and the tire number of axle
Data acquisition processing system detects that 5 output signal of ceramic pressure sensor is more than upper limit threshold values, and excludes to shake or interfere letter
After number influencing, vehicle spindle-type and tire number of axle data acquisition processing system find the voltage signal that subsequent detection arrives maximum value and
At the time of corresponding（Time precision is 1 millisecond）, until vehicle spindle-type and tire number of axle data acquisition processing system detect all potteries
When 5 output signal of porcelain pressure sensor is below lower limit threshold values, system confirms that tire leaves ceramic pressure sensor 5 completely,
After haulage vehicle sails out of completely, vehicle spindle-type and tire number of axle data acquisition processing system be recorded when all wheel shafts pass through when
Between and the ceramic pressure sensor 5 that is forced into, through with obtain the haulage vehicle after the processing of haulage vehicle model data storehouse matching
The number of axle, tire quantity, vehicle and limit for tonnage quality.
As shown in Figures 4 and 5, the sensor includes PVDF piezoelectric film sensors 9 and ceramic pressure sensor 5, and institute
It states PVDF piezoelectric film sensors 9 and ceramic pressure sensor 5 is integrated.
Specifically, the sensor includes shell 1, pedestal 2 is fixed in the shell 1, between the pedestal 2 is equipped with
Partition board 8, wherein fixed in 8 side of spacing board on the pedestal 2 and be uniformly provided with several mounting brackets 3,2 top of the pedestal in
8 other side of spacing board is equipped with PVDF piezoelectric film sensors 9；Wherein, O is from top to bottom equipped with inside the mounting bracket 3 successively
Type sealing ring 4, ceramic pressure sensor 5 and brass compression ring 6；Temperature sensor 10 is arranged in the top of 2 one end of the pedestal, and
The temperature sensor 10 is set to the side that spacing board 8 is equipped with mounting bracket 3.
Further, the full epoxy resin encapsulated material 7 of filling in the cavity of 1 interior base of the shell, 2 top, and it is described
PVDF piezoelectric film sensors 9 and temperature sensor 10 are positioned by epoxy resin encapsulated material 7.The sensor is using process
In, goods stock is travelled to the sensor（PVDF piezoelectric film sensors 9 and ceramic pressure sensor 5）When top, tire pair
The pressure on ground is transmitted to sensor by the epoxy resin encapsulated material 7 of perfusion（PVDF piezoelectric film sensors 9 and ceramics are pressed
Force snesor 5）Surface, sensor（PVDF piezoelectric film sensors 9 and ceramic pressure sensor 5）Compression deforms upon, output
Voltage signal.Wherein, it is filled using epoxy resin encapsulated material 7, degree of protection is up to IP68；And due to being filled using epoxy resin
Closure material 7 is filled, and the stress contact for having protrusion road surface is avoided, completely equal with express highway pavement after installing and using, from
Without influencing goods stock normal operation.
In order to avoid causing ceramic pressure sensor 5 impaired since goods stock overload is overweight；3 bottom end of the mounting bracket
It is fixedly connected with pedestal 2, it is through-hole 21 that the pedestal 2, which corresponds to 3 bottom of mounting bracket,.So as to give ceramic pressure sensor 5
It is reserved with self certain adjustment space.
To further avoid leading to sensor since goods stock overload is overweight（PVDF piezoelectric film sensors 9 and ceramics
Pressure sensor 5）It is impaired, ensure sensor（PVDF piezoelectric film sensors 9 and ceramic pressure sensor 5）Service life；
Certain distance is equipped between 1 bottom of the pedestal 2 and shell；To by super-heavy load, be protected in mounting bracket 3
Self certain reserved adjustment space of card, is realized to sensor（PVDF piezoelectric film sensors 9 and ceramic pressure sensor 5）'s
Further protection.
Specifically, 2 size of the pedestal is length x width x thickness=2m × 0.04m × 0.04m.
Wherein, uniformly fixed on the pedestal 2 to be equipped with 16 mounting brackets 3 that ceramic pressure sensor 5 is housed and each
0.12m settings are spaced between mounting bracket 3.
The testing and analysis system is during to goods stock dynamic weighing and the detection of vehicle spindle-type, by sensor
（PVDF piezoelectric film sensors 9 and ceramic pressure sensor 5）Output signal amplification, analysis and matching treatment, you can be somebody's turn to do
The actual mass of vehicle, vehicle spindle-type, missing tire quantity and limit for tonnage quality.
Wherein, ceramic pressure sensor 5 has the advantages that small, corrosion resistance is strong, performance is stable, durable.
PVDF piezoelectric film sensors 9, weighing precision are ± 7%, can meet requirement of the previewing system to weighing precision.
The present invention provides a kind of Intelligent Dynamic and weighs testing and analysis system integrated with axle for vehicle tyre-model shaft number, will dynamic
Function of weighing and spindle-type vehicle detection function become one, by inside the shell structure of a sensor, installing PVDF
Piezoelectric film sensor and ceramic pressure sensor, goods stock dynamic weighing and vehicle can be completed at the same time by realizing a set of equipment
Profile shaft type detects；With construction is simple, feature easy for installation, cost is also significantly less than homogeneous system, simplifies answering for system
Polygamy.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the above embodiments and description only describe the originals of the present invention
Reason, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes and improvements
It all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent circle
It is fixed.
Claims (10)
- The testing and analysis system integrated with axle for vehicle tyre-model shaft number 1. a kind of Intelligent Dynamic is weighed comprising sensor, signal are put Big device, data converter and data acquisition processing device；The sensor generates waveform signal when vehicle rolls, and is put through signal Big device, data converter are transmitted to data acquisition processing device, and data acquisition processing device calculates vehicle number according to waveform signal It is believed that breath；It is characterized in that：The testing and analysis system includes dynamic weigher and vehicle spindle-type detection device；Wherein, described Dynamic weigher uses PVDF piezoelectric film sensors, and the signal obtained by PVDF piezoelectric film sensors is through signal amplifier With data converter to data acquisition processing device, the axis weight of passed through lorry and the vehicle matter of the goods stock are then obtained Amount；The vehicle spindle-type detection device uses ceramic pressure sensor, and the signal obtained by ceramic pressure sensor is put through signal Big device and data converter then obtain the number of axle, tire quantity, vehicle and the limit by lorry to data acquisition processing device Mounted mass.
- The testing and analysis system integrated with axle for vehicle tyre-model shaft number 2. a kind of Intelligent Dynamic according to claim 1 is weighed, It is characterized in that：The sensor includes PVDF piezoelectric film sensors and ceramic pressure sensor, and the PVDF piezoelectricity is thin Film sensors and ceramic pressure sensor are integrated.
- The testing and analysis system integrated with axle for vehicle tyre-model shaft number 3. a kind of Intelligent Dynamic according to claim 2 is weighed, It is characterized in that：The sensor includes shell, and pedestal is fixed in the shell, and the pedestal is equipped with spacing board, In, it is fixed in spacing board side on the pedestal and is uniformly provided with several mounting brackets, in the spacing board other side above the pedestal Equipped with PVDF piezoelectric film sensors；Wherein, it is from top to bottom equipped with sealing ring successively inside the mounting bracket, ceramic pressure passes Sensor and compression ring；Temperature sensor is arranged in the top of described pedestal one end, and the temperature sensor is equipped with set on spacing board The side of mounting bracket.
- The testing and analysis system integrated with axle for vehicle tyre-model shaft number 4. a kind of Intelligent Dynamic according to claim 3 is weighed, It is characterized in that：The full epoxy resin encapsulated material of filling in cavity above the shell interior base, and the PVDF piezoelectricity is thin Film sensors and temperature sensor are positioned by epoxy resin encapsulated.
- The testing and analysis system integrated with axle for vehicle tyre-model shaft number 5. a kind of Intelligent Dynamic according to claim 3 is weighed, It is characterized in that：The mounting bracket bottom end is fixedly connected with pedestal, and it is through-hole that the pedestal, which corresponds to mounting bracket bottom,.
- The testing and analysis system integrated with axle for vehicle tyre-model shaft number 6. a kind of Intelligent Dynamic according to claim 3 is weighed, It is characterized in that：Certain distance is equipped between the pedestal and housing bottom.
- The testing and analysis system integrated with axle for vehicle tyre-model shaft number 7. a kind of Intelligent Dynamic according to claim 3 is weighed, It is characterized in that：The base dimensions are length x width x thickness=2m × 0.04m × 0.04m.
- The testing and analysis system integrated with axle for vehicle tyre-model shaft number 8. a kind of Intelligent Dynamic according to claim 7 is weighed, It is characterized in that：It is uniformly fixed on the pedestal to be equipped with 16 mounting brackets that ceramic pressure sensor is housed, and each installation 0.12m settings are spaced between holder.
- The testing and analysis system integrated with axle for vehicle tyre-model shaft number 9. a kind of Intelligent Dynamic according to claim 8 is weighed, It is characterized in that：16 road signal condition amplifiers built in the data acquisition processing device and 12,16 tunnels high speed data conversion The high speed MCU of device and integrated ARM32 of Cortex-M3 processors.
- The testing and analysis system integrated with axle for vehicle tyre-model shaft number 10. a kind of Intelligent Dynamic according to claim 1 is weighed, It is characterized in that：It is 1 ~ 120km/h that the testing and analysis system, which is applicable in vehicle speed range,.
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| CN201810192314.4A CN108387300A (en) | 2018-03-09 | 2018-03-09 | A kind of Intelligent Dynamic is weighed testing and analysis system integrated with axle for vehicle tyre-model shaft number |
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| CN201810192314.4A CN108387300A (en) | 2018-03-09 | 2018-03-09 | A kind of Intelligent Dynamic is weighed testing and analysis system integrated with axle for vehicle tyre-model shaft number |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109297575A (en) * | 2018-09-27 | 2019-02-01 | 招商局重庆交通科研设计院有限公司 | A kind of vehicle dynamic weighing system of piezoelectric type |
| CN109325064A (en) * | 2018-10-11 | 2019-02-12 | 广东赛诺科技股份有限公司 | A kind of judgment method and device of Vehicle Axles data exception situation |
| CN110285870A (en) * | 2019-07-22 | 2019-09-27 | 深圳市卓城科技有限公司 | Vehicle spindle-type and wheel number determination method and its system |
| CN110638475A (en) * | 2019-09-30 | 2020-01-03 | 山东大学 | High-precision occlusal force measuring instrument and method based on single chip microcomputer control |
| CN112697249A (en) * | 2020-12-30 | 2021-04-23 | 北京万集科技股份有限公司 | Dynamic vehicle overrun determination method and determination system |
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Application publication date: 20180810 |