CN202582691U - Vehicle dynamic weighing system - Google Patents
Vehicle dynamic weighing system Download PDFInfo
- Publication number
- CN202582691U CN202582691U CN 201220249131 CN201220249131U CN202582691U CN 202582691 U CN202582691 U CN 202582691U CN 201220249131 CN201220249131 CN 201220249131 CN 201220249131 U CN201220249131 U CN 201220249131U CN 202582691 U CN202582691 U CN 202582691U
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- quartz
- row
- sensors
- weighing
- vehicle
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- 238000005303 weighing Methods 0.000 title claims abstract description 25
- 239000010453 quartz Substances 0.000 claims abstract description 44
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 44
- 230000005484 gravity Effects 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000005856 abnormality Effects 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
The utility model discloses a vehicle dynamic weighing system which includes at least three rows of quartz sensors arranged on a lane. Each row of the quartz sensors includes two quartz piezoelectric sensors which are transversely arranged on a left half lane and a right half lane in tandem. The three or more rows of the quartz sensors which are taken as weighing sensors are arranged on the lane, the quartz sensors can effectively reduce the weighing offset caused by the uneven road or the vehicle vibration and eliminate the offset caused by the non-uniform driving of the vehicle or the unstable gravity center.
Description
Technical field
The utility model relates to the field of weighing, and relates in particular to a kind of vehicle dynamic weighing system.
Background technology
Existing vehicle dynamic is weighed and is generally adopted single quartz transducer that the track is covered, and detects pressure and speed through each road pavement of vehicle on it by quartz transducer, calculates each weight and the car load general assembly (TW) of this car then with embedded computer.Its computing formula is:
Axle weight=axletree speed/sensor width * piezoelectricity integral of pulse shape area * correction coefficient
Car load general assembly (TW)=each heavy sum
Can know by top formula, when vehicle at the uniform velocity non-or walk the S route through the time, can cause weighing results deviation to occur.Therefore single quartz transducer can not solve automobile low-speed through the time deviation of weighing that causes.And the quartz transducer weighing result receives the influence of road out-of-flatness and Vehicular vibration, and weighing results and actual complete vehicle weight also deviation can occur.Guarantee vehicle from single quartz transducer through the time weighing the result accurate, sensor accuracy, installation quality, road evenness and vehicle are all proposed high requirement through the speed of a motor vehicle, difficulty is bigger in actual engineering, extremely is not easy to realize.
The utility model content
The purpose of the utility model provides a kind of vehicle dynamic weighing system, solves the big shortcoming of single quartz transducer weighing results deviation, and a kind of vehicle dynamic weighing system that comprises at least three row's quartz transducers is provided, and addresses this problem.
In order to realize above-mentioned utility model purpose; The utility model provides a kind of vehicle dynamic weighing system; Said system comprises and is laid on the track at least three row's quartz transducers; Every row's quartz transducer comprises two quartzy piezoelectric sensors, and two quartzy piezoelectric sensors in every row's quartz transducer are horizontally installed on left half track and right half track respectively.
Wherein, the spacing range between adjacent two row's quartz transducers is 500mm-650mm, is preferably 550mm.
Wherein, the staggered scope between two quartzy piezoelectric sensors in same row's quartz transducer is-200mm ~ 200mm.
Compared with prior art, the utlity model has following beneficial effect:
The utility model adopts three rows or the above quartz transducer of three rows to be laid on the track as LOAD CELLS; Can effectively reduce because the deviation of weighing that Uneven road and Vehicular vibration cause; And because the paving mode of three row's quartz transducers; To same weight duplicate measurements, 3 groups of sensor measurement data are screened and complementary the correction, can effectively improve the deviation of weighing that is caused as LOAD CELLS by single quartz transducer through 3 sensors.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings:
Fig. 1 is a quartz transducer paving location synoptic diagram in the utility model embodiment vehicle dynamic weighing system:
Among the figure: C1, C2, C3, C4, C5, C6 are quartzy piezoelectric sensor;
The L1 span is :-200mm ~ 200mm (direction of traffic for just);
The L2 span is: 200mm ~ 500mm;
The L3 span is :-200mm ~ 200mm (direction of traffic for just);
The L4 span is: 200mm ~ 500mm;
The L5 span is :-200mm ~ 200mm (direction of traffic for just);
The L6 span is: 800mm ~ 1500mm.
Embodiment
To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
Referring to Fig. 1; Paving location synoptic diagram during for the three row's quartz transducers of employing in the utility model embodiment vehicle dynamic weighing system; Three row's quartz transducer parallel laid are in the weight metering charging track; Between 18 meters to 24 meters of tollbooth; Every row's quartz transducer comprises two quartzy piezoelectric sensors, the length of every quartzy piezoelectric sensor can for the lane width value 2/5-3/5 between, and the length value addition of two quartzy piezoelectric sensors in every row's quartz transducer is equal to or greater than the lane width value.Two quartzy piezoelectric sensors in every row's quartz transducer are horizontally installed on left half track and right half track respectively with whole track, and the spacing range between adjacent two row's quartz transducers can be 500mm-650mm.
Concrete, like Fig. 1, be a concrete laying synoptic diagram; First group of quartz transducer comprises quartzy piezoelectric sensor C1 and C2; C1 is arranged on left half track, and C2 is arranged on right half track, and makes when vehicle passes through this track; Revolver is pressed on the C1 that is positioned at left half track, and right pressure wheel is on the C2 that is positioned at track, the right.Second row's quartz transducer comprises quartzy piezoelectric sensor C3 and C4, and C4 is arranged on left half track, and C3 is arranged on right half track; Equally, the 3rd row's quartz transducer comprises quartzy piezoelectric sensor C5 and C6, and C5 is arranged on left half track, and C6 is arranged on right half track.Can be provided with between two quartzy piezoelectric sensors in every row's quartz transducer one little staggered, can be :-200mm ~ 200mm (direction of traffic for just) like the span of the spacing L1 between Fig. 1: C1 and C3; The span of spacing L2 between C3 and the C2 can be 200mm ~ 500mm; The span of spacing L3 between C2 and the C4 can be :-200mm ~ 200mm (direction of traffic for just); The span of spacing L4 between C4 and the C5 can be 200mm ~ 500mm; The span of spacing L5 between C5 and the C6 can be :-200mm ~ 200mm (direction of traffic for just); The L6 span is: 800mm-1500mm.
In the specific implementation; Can also adopt the above quartz transducer of three rows, the spacing that links to each other between two row's quartz transducers is regulated as required, utilizes the piezoelectric effect of quartz transducer; When wheel gravity acts on the quartz crystal; Produce electric charge on the quartz crystal, convert voltage signal into through charge amplifier and send embedded computer to handle, obtain the car load weighing results.Be specially: when vehicle passes through LOAD CELLS; Each wheel all can roll the quartzy piezoelectric sensor of too much bar, and every quartzy piezoelectric sensor all can produce a waveform signal and be transferred to controller, behind the controller rejecting abnormalities waveform signal; Reference axis is heavy respectively with remaining waveform signal; And ask that on average to obtain final axle heavy, and the final axle heavy phase of each wheel is added, can obtain final vehicle weighing value.
The rejecting of unusual waveforms, carry out through following mode: it is heavy that the waveform signal that many quartzy piezoelectric sensors produced that controller rolled according to certain wheel calculates an original axis respectively, and each original axis is heavily averaged, and it is heavy to obtain standard axle; The original axis that will exceed standard axle heavy ± 2.5% is heavily rejected (being the rejecting abnormalities waveform signal), asks average once more with each remaining original axis is heavy, and it is heavy to obtain final axle.
The utility model adopts three rows or the above quartz transducer of three rows to be laid on the track as LOAD CELLS; Can effectively reduce because the deviation of weighing that Uneven road and Vehicular vibration cause; And because the paving mode of three row's quartz transducers; To same weight duplicate measurements, 3 groups of sensor measurement data are screened and complementary the correction, can effectively improve the deviation of weighing that is caused as LOAD CELLS by single quartz transducer through 3 sensors.
Disclosed all characteristics in this instructions, or the step in disclosed all methods or the process except mutually exclusive characteristic and/or the step, all can make up by any way.
Disclosed arbitrary characteristic in this instructions (comprising any accessory claim, summary and accompanying drawing) is only if special narration all can be replaced by other equivalences or the alternative features with similar purpose.That is, only if special narration, each characteristic is an example in a series of equivalences or the similar characteristics.
The utility model is not limited to aforesaid embodiment.The utility model expands to any new feature or any new combination that discloses in this manual, and the arbitrary new method that discloses or step or any new combination of process.
Claims (3)
1. vehicle dynamic weighing system; It is characterized in that; Said system comprises that being laid at least three on the track arranges quartz transducer; Every row's quartz transducer comprises two quartzy piezoelectric sensors, and two quartzy piezoelectric sensors in every row's quartz transducer are horizontally installed on left half track and right half track respectively.
2. the system of claim 1 is characterized in that, the staggered scope between two quartzy piezoelectric sensors in same row's quartz transducer is-200mm ~ 200mm.
3. according to claim 1 or claim 2 system is characterized in that, the spacing range between adjacent two row's quartz transducers is 500mm-650mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220249131 CN202582691U (en) | 2012-05-30 | 2012-05-30 | Vehicle dynamic weighing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220249131 CN202582691U (en) | 2012-05-30 | 2012-05-30 | Vehicle dynamic weighing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202582691U true CN202582691U (en) | 2012-12-05 |
Family
ID=47252092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220249131 Expired - Lifetime CN202582691U (en) | 2012-05-30 | 2012-05-30 | Vehicle dynamic weighing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202582691U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102680065A (en) * | 2012-05-30 | 2012-09-19 | 四川兴达明科机电工程有限公司 | Vehicle weighing system |
-
2012
- 2012-05-30 CN CN 201220249131 patent/CN202582691U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102680065A (en) * | 2012-05-30 | 2012-09-19 | 四川兴达明科机电工程有限公司 | Vehicle weighing system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121205 |
|
| CX01 | Expiry of patent term |