CN104655247A - Dynamic weighing system for vehicle - Google Patents
Dynamic weighing system for vehicle Download PDFInfo
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- CN104655247A CN104655247A CN201310603562.0A CN201310603562A CN104655247A CN 104655247 A CN104655247 A CN 104655247A CN 201310603562 A CN201310603562 A CN 201310603562A CN 104655247 A CN104655247 A CN 104655247A
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Abstract
The invention discloses a dynamic weighing system for a vehicle. The dynamic weighing system for the vehicle comprises a dynamic weighing scale, a vehicle separator, a ground induction detecting coil, a vehicle wheel axle detector and a dynamic weighing instrument, wherein the dynamic weighing scale, the vehicle separator, the ground induction detecting coil and the vehicle wheel axle detector are respectively connected with the dynamic weighing instrument; the dynamic weighing scale comprises a scale body bearing device, a weighing sensor, a supporting post and a pull rod limiting device, wherein the scale body bearing device is fixed to the weighing sensor through bolts; the supporting post supports the weighing sensor; the infrared vehicle separator consists of an infrared light emitting post, an infrared light receiving post and a separator circuit, wherein the infrared light emitting post and the infrared light receiving post are oppositely mounted on the side, from which a vehicle travels out, of the dynamic weighing scale; the vehicle axle detector consists of a resistance strain-type force measurement sensor and a wheel axle identifier circuit; a ground induction detector consists of the ground induction detecting coil and a ground induction detecting circuit. The dynamic vehicle weighing accuracy is high; the performance indexes are satisfied; the technology is simple; the measurement is accurate.
Description
Technical field
The present invention relates to a kind of measuring system, especially a kind of vehicle dynamic weighing system.
Background technology
Current domestic road vehicle weigh means is mainly two kinds: vehicle static is weighed and vehicle dynamic weighing.Static weighing and administration of highways personnel allow vehicle enter special weigh station and weigh, the terrestrial attraction that vehicle tyre acts on power on static weighing carrier just in time downward with stationary vehicle is equal, and the complete vehicle weight of vehicle can be measured by detecting element and be presented in instrument.Although the performance index of vehicle static weighing system are satisfied, technology is simple and measure accurately, but, because volume is large, road surface infringement is serious, measure the factors such as efficiency is low, personnel attrition is large, easily cause and realize difficult and that traffic is not smooth impact, be difficult to the superiority and the raising service efficiency that play highway.And vehicle dynamic weighing can realize heavily transfiniting to axle, the improvement of car weight overload and not stopping is weighed, therefore, vehicle dynamic weighing is on highroad, carries out Main Means and the developing direction of Overload transportation measurement, is the basis detected of not stopping.So-called vehicle dynamic weighing, comprises the content of two aspects: one, aprowl passed through weighing platform by title vehicle; Two, weighing system is among dynamically (or perhaps transient state) change, and weighing-up wave does not reach stable state.Therefore, affect the many factors of dynamic weighing precision, such as, car speed, weighing platform width, vehicle acceleration, Vehicular vibration, road roughness etc.These factors all certainly will reduce measuring accuracy, cause measuring result error large and inaccurate, cause overrun and overload to detect and weight metering charging does not have very strong cogency and public trust widely.
Summary of the invention
The technical problem to be solved in the present invention overcomes prior art defect, provides a kind of vehicle dynamic weighing system.
For the technical scheme solving the problems of the technologies described above employing is: vehicle dynamic weighing system, weighed by dynamic weighing, vehicle separator, ground sense magnetic test coil, vehicle axles detecting device and dynamic weighing instrument composition, dynamic weighing weighs, vehicle separator, ground sense magnetic test coil, vehicle axles detecting device respectively with dynamic weighing instrument list catenation, dynamic weighing weighing apparatus comprises scale body carrier, LOAD CELLS, pillar and pull bar stop means, scale body carrier and LOAD CELLS adopt screw to be fixed together, shore supports LOAD CELLS, infrared vehicle separation vessel is by infrared light emission post, infrared light receives post and splitter circuit composition, and infrared light emission post and receive post be relatively arranged on vehicle roll away from dynamic weighing weighing apparatus side, vehicle axles detecting device is made up of resistance-strain type force cell and vehicle axles recognizer circuit, sense detecting device in ground is made up of ground sense magnetic test coil and ground sense testing circuit.
The long 0.8m of scale body carrier, wide 3.5m, LOAD CELLS adopts beam type.
This beneficial effect of the invention is: vehicle dynamic weighing precision is high, and performance index are satisfied, technology is simple and measure accurately.
Accompanying drawing explanation
Fig. 1 is dynamic weighing system composition diagram;
Fig. 2 is dynamic weighing weighing apparatus structural drawing;
Fig. 3 is infrared vehicle separation vessel schematic diagram;
Fig. 4 is vehicle axles recognizer schematic diagram;
Fig. 5 is inductive detector schematic diagram.
1-scale body carrier, 2-LOAD CELLS, 3-pillar, 4-limit pull rod device, 5-infrared light emission post, 6-infrared light receives post, 7-force cell, 8-vehicle axles recognizer, 9-ground sense magnetic test coil.
Embodiment
Vehicle dynamic weighing system mainly by dynamic weighing weighing apparatus, vehicle separator, feel magnetic test coil, vehicle axles detecting device and dynamic weighing instrument five part and form, dynamic weighing its mechanical composition of weighing comprises: scale body carrier (long 0.8m, wide 3.5m), LOAD CELLS (beam type), pillar and pull bar stop means.And, the all parts of its dynamic weighing weighing apparatus produced all has higher strength and stiffness, the horizontal jitter of scale body carrier can be reduced and the resistance brought, and distinctive pull bar limit method also ensure that the horizontal direction displacement of scale body carrier is less than 2mm, and pull bar remains level, avoid the generation of horizontal direction component, so, its dynamic weighing weighing apparatus can not only carry well and heavier goods vehicle is housed, and, true and stable signal support can also be provided for Instrument for Weigh-in-Motion table.The main building block of dynamic weighing weighing apparatus is all arranged in the melt pit with cement concrete pouring, and the section at melt pit two ends (vehicle sails road surface into and rolls road surface away from) demand fulfillment: longitudinal gradient and the horizontal wall inscription in the section of front and back 25m are less than or equal to 2%, and road surface radius-of-curvature is at least 1500m.The installation form of scale body carrier and LOAD CELLS, adopt screw scale body carrier and LOAD CELLS to be fixed together, the other end obtains foil gauge deformation by pillar reacting force in cantilever type weighing sensor and obtains weighing-up wave.When the vehicle of lade drives through dynamic weighing weighing apparatus,
Real-time axle is heavily passed through pillar retroaction at A by scale body carrier, B, on C and D tetra-cantilever type weighing sensors, so, sensor will be experienced weight converts analog voltage signal output pro rata to, by custom-designed terminal box of weighing, the analog voltage signal of four sensors is together in parallel again, then send Instrument for Weigh-in-Motion table to process, instrument will receive voltage analog signal becomes digital signal through A/D Analog-digital Converter, again data processing is carried out to the dynamic car passing weight information of Real-time Collection, obtain the heavy information of axle that vehicle axles weighs through dynamic weighing.Vehicle separator provides vehicle to sail the signal with output system into for vehicle dynamic weighing system, complete the normal separation of vehicle, to ensure the identification of vehicle dynamic weighing system to car load, and the ending signal after providing vehicle to be weighed by dynamic weighing is to dynamic weighing instrument.Infrared vehicle separation vessel, as the main vehicle separator of vehicle dynamic weighing system.Infrared vehicle separation vessel receives post and splitter circuit by infrared light emission post, infrared light and forms, and infrared light emission post and receive post and be relatively arranged on vehicle and roll dynamic weighing weighing apparatus side away from.Principle of work is that Infrared launched by infrared light emission post, and receives post with infrared light and form echelette.At vehicle in car dynamic weighing system, what dynamic weighing had weighed is that single shaft heavily weighs, but not complete vehicle weight weighs, after vehicle is weighed by dynamic weighing completely, infrared vehicle separation vessel for dynamic weighting system provide car load finish up identification signal, and export to dynamic weighing instrument reception, instrument superposes the weight of the single shaft recorded again, obtains the actual weight of car load.Adopt be resistance-strain type sensor form vehicle axles recognizer, consider the connection wheelbase (1.3m-1.8m) of standard vehicle wheel shaft, by Wheel axle identifier be arranged on vehicle roll away from dynamic weighing weighing apparatus rear flank be about 700mm place.Vehicle axles recognizer is made up of resistance-strain type force cell (normal lane 12,16, ultra-wide road), mechanical component and vehicle axles recognizer circuit.Vehicle axles recognizer principle of work is: detect force signal on its force cell, be digital switch quantity by its circuit conversion to export with or without car signal, when there being vehicle axles to press, output low level have axis signal, and when pressing without vehicle axles, export high level without axis signal.Sense detecting device in ground is made up of ground sense magnetic test coil and ground sense testing circuit, is the triggering induction installation in vehicle dynamic weighing system, meanwhile, vehicle also can be provided to sail system into and leave the signal of system, completing the backup device of the separation of vehicle.The mounting means of ground sense magnetic test coil is: roll away from the rear side road surface of dynamic weighing weighing apparatus at vehicle, first cut out a circular groove, general 1 meter of diameter, or the rectangle groove that area is suitable, in this groove, imbed two to three circle wires again, this just constitutes the inductance detection coil that is embedded in earth's surface.This coil and electric capacity form reliable and stable oscillatory circuit, when having vehicle through out-of-date, because space medium changes change when metal object (have oscillation frequency raise) causing oscillation frequency, its oscillator signal is felt testing circuit by conversion and is carried out frequency measurement with delivering to, and provide trigger pip that vehicle sails into dynamic weighing instrument, in vehicle dynamic weighing system, ground sense detecting device is as vehicle vehicle separator for subsequent use, export vehicle and sail and roll away from dynamic weighing weighing apparatus signal into, judge as dynamic weighing instrument the space signal that vehicle finishes up.
Claims (2)
1. vehicle dynamic weighing system, it is characterized in that: weighed by dynamic weighing, vehicle separator, ground sense magnetic test coil, vehicle axles detecting device and dynamic weighing instrument composition, dynamic weighing weighs, vehicle separator, ground sense magnetic test coil, vehicle axles detecting device respectively with dynamic weighing instrument list catenation, dynamic weighing weighing apparatus comprises scale body carrier, LOAD CELLS, pillar and pull bar stop means, scale body carrier and LOAD CELLS adopt screw to be fixed together, shore supports LOAD CELLS, infrared vehicle separation vessel is by infrared light emission post, infrared light receives post and splitter circuit composition, and infrared light emission post and receive post be relatively arranged on vehicle roll away from dynamic weighing weighing apparatus side, vehicle axles detecting device is made up of resistance-strain type force cell and vehicle axles recognizer circuit, sense detecting device in ground is made up of ground sense magnetic test coil and ground sense testing circuit.
2. vehicle dynamic weighing system according to claim 1, is characterized in that: the long 0.8m of scale body carrier, wide 3.5m, and LOAD CELLS adopts beam type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310603562.0A CN104655247A (en) | 2013-11-25 | 2013-11-25 | Dynamic weighing system for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310603562.0A CN104655247A (en) | 2013-11-25 | 2013-11-25 | Dynamic weighing system for vehicle |
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| Publication Number | Publication Date |
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| CN104655247A true CN104655247A (en) | 2015-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310603562.0A Pending CN104655247A (en) | 2013-11-25 | 2013-11-25 | Dynamic weighing system for vehicle |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106066202A (en) * | 2016-06-01 | 2016-11-02 | 河北中岗通讯工程有限公司 | Digitalized axle simulation identification device and method |
| CN110108340A (en) * | 2019-06-04 | 2019-08-09 | 西北铁道电子股份有限公司 | A kind of automobile dynamically weighing device |
| CN110649426A (en) * | 2019-08-26 | 2020-01-03 | 南安市淇凯工业设计有限公司 | Traffic safety control system based on big data |
-
2013
- 2013-11-25 CN CN201310603562.0A patent/CN104655247A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106066202A (en) * | 2016-06-01 | 2016-11-02 | 河北中岗通讯工程有限公司 | Digitalized axle simulation identification device and method |
| CN110108340A (en) * | 2019-06-04 | 2019-08-09 | 西北铁道电子股份有限公司 | A kind of automobile dynamically weighing device |
| CN110108340B (en) * | 2019-06-04 | 2024-03-22 | 西北铁道电子股份有限公司 | Dynamic weighing device for automobile |
| CN110649426A (en) * | 2019-08-26 | 2020-01-03 | 南安市淇凯工业设计有限公司 | Traffic safety control system based on big data |
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150527 |