CN203561413U - Two-weighing-platform road vehicle weighing system applicable to coupling type vehicle - Google Patents
Two-weighing-platform road vehicle weighing system applicable to coupling type vehicle Download PDFInfo
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- CN203561413U CN203561413U CN201320675721.3U CN201320675721U CN203561413U CN 203561413 U CN203561413 U CN 203561413U CN 201320675721 U CN201320675721 U CN 201320675721U CN 203561413 U CN203561413 U CN 203561413U
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Abstract
The utility model relates to a two-weighing-platform road vehicle weighing system applicable to a coupling type vehicle. The road vehicle weighing system comprises weighing platforms, weighing testing equipment, vehicle separators, a data acquisition processor and a charge computer, wherein the weighing platforms are arranged on the upper surface of the weighing testing equipment, the vehicle separators are arranged in front of the weighing platforms and located on two sides of a charge lane, a signal output end of the weighing testing equipment is connected with a weighing signal input end of the data acquisition processor, signal output ends of the vehicle separators are connected with a first vehicle signal input end of the data acquisition processor, a communication end of the data acquisition processor is connected with the charge computer, the weighing platforms comprise a front platform and a back platform which are arranged on the charge lane in a front-back arrangement manner, the length of the front platform is in a range of 750mm to 850mm, the length of the back platform is in a range of 1600mm to 3200mm, and the interval between the front and back platforms is smaller than 850mm. The two-weighing-platform road vehicle weighing system is accurate in measurement.
Description
(1), technical field: the utility model relates to a kind of vehicle weighing system, particularly a kind of two weighing platform road vehicle weighing systems that are applicable to shaft coupling type vehicle.
(2), background technology: at present, existing vehicle weighing system contains static weighing system and dynamic weighing system.Static weighing system generally has a longer weighing platform, and when to vehicle weighing, whole vehicle will travel completely into weighing platform, and then weighing system is weighed to vehicle again; Dynamically the length of the weighing platform of weighing system is generally shorter, and vehicle is in sailing the process of weighing platform into, and each axle passes through weighing platform successively, and weighing system is just heavily recorded the axle of each axle of vehicle, is then added, and has just obtained the general assembly (TW) of vehicle.When carrying out dynamically counting heavily, when an axle of vehicle sails weighing platform into, weighing platform has a slight decline, at this moment, the height of each axle of vehicle just has difference, and this can have influence on the distribution of vehicle gravity on each axle, thereby causes weighting error.When the distance between each axle of vehicle is larger, this error is less, can ignore, but, the distance between each axle hour, (as: duplex axle, three shaft couplings while being connecting shaft form such as vehicle, distance between axle and axle is smaller, approximately about 1300mm), this error is just larger, very important.
(3), utility model content:
The technical problems to be solved in the utility model is: not enough for prior art, and provide a kind of measurement to be applicable to accurately two weighing platform road vehicle weighing systems of shaft coupling type vehicle.
The technical solution of the utility model:
Be applicable to two weighing platform road vehicle weighing systems of shaft coupling type vehicle, contain weighing platform,
The checkout equipment of weighing, vehicle separator, data collection processor and charge computer, the checkout equipment of weighing is arranged in the lane in which the drivers should pay fees, weighing platform is arranged on the upper surface of the checkout equipment of weighing, the upper surface of weighing platform and the surface of the lane in which the drivers should pay fees are in same plane, vehicle separator is arranged on the place ahead of weighing platform, and vehicle separator is positioned at the both sides of the lane in which the drivers should pay fees, the weigh signal output part of checkout equipment and the weighing-up wave input end of data collection processor is connected, the signal output part of vehicle separator is connected with the first signals of vehicles input end of data collection processor, the communication terminal of data collection processor is connected with charge computer, weighing platform contains two minutes platforms, within two minutes, platform is respectively front platform and rear platform, front platform and rear platform are arranged in the lane in which the drivers should pay fees according to tandem arrangement mode, vehicle separator is arranged on the place ahead of front platform, the length of front platform is 750mm ~ 850mm, the length of rear platform is 1600mm ~ 3200mm, interval between front platform and rear platform is less than 850mm.
The length of front platform has determined that it once can only weigh a single shaft of vehicle, the weighing platform of this form is single axle weighing platform, the length of rear platform can weigh the duplex axle axle group of vehicle simultaneously, front platform and rear platform can weigh three shaft coupling axle groups of vehicle altogether simultaneously, so just reduced the car load weighing error that contains shaft coupling vehicle, and, in weighing process, along with vehicle to overtake, each single shaft in the duplex axle of vehicle or three shaft coupling axle groups can be weighed twice by front platform and rear platform, data collection processor can carry out certain computing that is averaging to twice weighing result, so more reduced weighing error.
Data collection processor is mainly for the treatment of the weighing-up wave of the axle for vehicle group of dynamically passing through on weighing platform, to this weighing-up wave amplify, filtering, AD conversion, weight computing, the speed while simultaneously calculating shaft group by weighing platform.Vehicle separator mainly for detection of vehicle whether completely by weighing platform, when detect vehicle completely by time, start to carry out the weigh processing of information of car load.
The checkout equipment of weighing contains N LOAD CELLS, front platform and rear platform are arranged on the upper surface of N LOAD CELLS, the signal output part of N LOAD CELLS is connected with N weighing-up wave input end of data collection processor respectively, and N is more than or equal to 6 natural number.
Vehicle separator is light curtain machine, and LOAD CELLS is strain gauge transducer.
The checkout equipment of weighing contains 8 LOAD CELLS, and front platform and rear platform are rectangle weighing platform, and 4 LOAD CELLS in 8 LOAD CELLS lay respectively on 4 angles of front platform, and all the other 4 LOAD CELLS lay respectively on 4 angles of rear platform.
In the place ahead of vehicle separator and be positioned on the lane in which the drivers should pay fees, tire arbiter is installed, the signal output of tire arbiter is connected with the tire signal input of data collection processor.
Tire arbiter is mainly used in identifying the type (single tire or twins) of tire.
In the place ahead of tire arbiter and be arranged in the lane in which the drivers should pay fees and be embedded with coil checker, the signal output part of coil checker is connected with the second signals of vehicles input end of data collection processor.
Whether coil checker is mainly used in auxiliary detection vehicle completely by weighing platform, and its effect is similar to vehicle separator.
Data collection processor and charge computer are arranged on a side of the lane in which the drivers should pay fees.
In data collection processor, contain single-chip microcomputer, analog to digital conversion circuit, RS485 driving circuit, RS232 driving circuit, the first switching signal driving circuit, second switch signal drive circuit, display driver circuit, display, keyboard, RAM memory circuitry, eeprom memory circuit and power circuit, the signal output part of N LOAD CELLS is connected with N signal input part of analog to digital conversion circuit respectively, the delivery outlet of analog to digital conversion circuit is connected with the serial data mouth (SPI mouth) of single-chip microcomputer, the signal output of tire arbiter is connected with the first communication port of single-chip microcomputer by RS485 driving circuit, the signal output part of vehicle separator is connected with the first switching signal input end of single-chip microcomputer by the first switching signal driving circuit, the communication port of vehicle separator is connected with the first communication port of single-chip microcomputer by RS485 driving circuit, the signal output part of coil checker is connected with the second switch signal input part of single-chip microcomputer by second switch signal drive circuit, the communication port of charge computer is connected with the second communication port of single-chip microcomputer by RS232 driving circuit, display is connected with the demonstration mouth of single-chip microcomputer by display driver circuit, keyboard is connected with the keyboard mouth of single-chip microcomputer, RAM memory circuitry is connected with the storage mouth of single-chip microcomputer with eeprom memory circuit, power circuit is single-chip microcomputer, analog to digital conversion circuit, RS485 driving circuit, RS232 driving circuit, the first switching signal driving circuit, second switch signal drive circuit, display driver circuit, display, RAM memory circuitry and eeprom memory circuit supply.
The beneficial effects of the utility model:
1, minute platform that weighing platform of the present utility model arranges before and after containing two, front platform is single axle weighing platform, and rear platform can weigh the duplex axle axle group of vehicle simultaneously, and front platform and rear platform can weigh three shaft coupling axle groups of vehicle altogether simultaneously; The utility model is to take axle group as a minute metering units, utilizes axle group weighing mode to obtain the weight of each axle group, then, by axle group weight is added up and obtains car load initial weight, finally according to driving states, initial weight is revised again; When the utility model has overcome the vehicle that existing dynamic weighing system contains shaft coupling form in weighing, easily produce the defect of larger error, can measure comparatively exactly the weight of car load, weighing precision and velocity survey precision are higher.
2, the utility model is in weighing process, each single shaft in the duplex axle of vehicle or three shaft coupling axle groups can be weighed twice by front platform and rear platform, data collection processor can carry out certain computing that is averaging to twice weighing result, has so more reduced weighing error.
(4), accompanying drawing explanation:
Fig. 1 is the structural representation that is applicable to two weighing platform road vehicle weighing systems of shaft coupling type vehicle;
Fig. 2 is the circuit connection diagram that is applicable to two weighing platform road vehicle weighing systems of shaft coupling type vehicle.
(5), embodiment:
Referring to Fig. 1～Fig. 2, in figure, be applicable to two weighing platform road vehicle weighing systems of shaft coupling type vehicle
Contain weighing platform, the checkout equipment of weighing, vehicle separator 4, data collection processor 8 and charge computer 7, the checkout equipment of weighing is arranged in the lane in which the drivers should pay fees 3, weighing platform is arranged on the upper surface of the checkout equipment of weighing, the surface of the upper surface of weighing platform and the lane in which the drivers should pay fees 3 is in same plane, vehicle separator 4 is arranged on the place ahead of weighing platform, and vehicle separator 4 is positioned at the both sides of the lane in which the drivers should pay fees 3, the weigh signal output part of checkout equipment and the weighing-up wave input end of data collection processor 8 is connected, the signal output part of vehicle separator 4 is connected with the first signals of vehicles input end of data collection processor 8, the communication terminal of data collection processor 8 is connected with charge computer 7, weighing platform contains two minutes platforms, within two minutes, platform is respectively front platform 1 and rear platform 9, front platform 1 and rear platform 9 are arranged in the lane in which the drivers should pay fees 3 according to tandem arrangement mode, vehicle separator 4 is arranged on the place ahead of front platform 1, the length L 1 of front platform 1 is 800mm, the length L 2 of rear platform 9 is 1950mm, interval L3 between front platform 1 and rear platform 9 is 450mm.
The length of front platform 1 has determined that it once can only weigh a single shaft of vehicle, the weighing platform of this form is single axle weighing platform, the length of rear platform 9 can weigh the duplex axle axle group of vehicle simultaneously, front platform 1 and rear platform 9 can weigh three shaft coupling axle groups of vehicle altogether simultaneously, so just reduced the car load weighing error that contains shaft coupling vehicle, and, in weighing process, along with vehicle to overtake, each single shaft in the duplex axle of vehicle or three shaft coupling axle groups can be weighed twice by front platform 1 and rear platform 9, data collection processor 8 can carry out certain computing that is averaging to twice weighing result, so more reduced weighing error.
The checkout equipment of weighing contains 8 LOAD CELLS 2, and front platform 1 and rear platform 9 are arranged on the upper surface of 8 LOAD CELLS 2, and the signal output part of 8 LOAD CELLS 2 is connected with 8 weighing-up wave input ends of data collection processor 8 respectively.The model of LOAD CELLS 2 is QS-20t, or QS-30t, or QS-40t, or QS-50t, and manufacturer is: Ningbo Keli Sensing Technology Co., Ltd..
Front platform 1 and rear platform 9 are rectangle weighing platform, and 4 LOAD CELLS 2 in 8 LOAD CELLS 2 lay respectively on 4 angles of front platform 1, and all the other 4 LOAD CELLS 2 lay respectively on 4 angles of rear platform 9.
In the place ahead of vehicle separator 4 and be positioned on the lane in which the drivers should pay fees 3, tire arbiter 5 is installed, the signal output of tire arbiter 5 is connected with the tire signal input of data collection processor 8.
The model of tire arbiter 5 is: LTP-15, manufacturer is: Zhengzhou Hengke Industry Co., Ltd..
Tire arbiter 5 is mainly used in identifying the type (single tire or twins) of tire.
In the place ahead of tire arbiter 5 and be arranged in the lane in which the drivers should pay fees 3 and be embedded with coil checker 6, the signal output part of coil checker 6 is connected with the second signals of vehicles input end of data collection processor 8.
Whether coil checker 6 is mainly used in auxiliary detection vehicle completely by weighing platform, and its effect is similar to vehicle separator 4.
In data collection processor 8, contain single-chip microcomputer, analog to digital conversion circuit, RS485 driving circuit, RS232 driving circuit, the first switching signal driving circuit, second switch signal drive circuit, display driver circuit, display, keyboard, RAM memory circuitry, eeprom memory circuit and power circuit, the signal output part of 8 LOAD CELLS 2 is connected with 8 signal input parts of analog to digital conversion circuit respectively, the delivery outlet of analog to digital conversion circuit is connected with the serial data mouth (SPI mouth) of single-chip microcomputer, the signal output of tire arbiter 5 is connected with the first communication port of single-chip microcomputer by RS485 driving circuit, the signal output part of vehicle separator 4 is connected with the first switching signal input end of single-chip microcomputer by the first switching signal driving circuit, the communication port of vehicle separator 4 is connected with the first communication port of single-chip microcomputer by RS485 driving circuit, the signal output part of coil checker 6 is connected with the second switch signal input part of single-chip microcomputer by second switch signal drive circuit, the communication port of charge computer 7 is connected with the second communication port of single-chip microcomputer by RS232 driving circuit, display is connected with the demonstration mouth of single-chip microcomputer by display driver circuit, keyboard is connected with the keyboard mouth of single-chip microcomputer, RAM memory circuitry is connected with the storage mouth of single-chip microcomputer with eeprom memory circuit, power circuit is single-chip microcomputer, analog to digital conversion circuit, RS485 driving circuit, RS232 driving circuit, the first switching signal driving circuit, second switch signal drive circuit, display driver circuit, display, RAM memory circuitry and eeprom memory circuit supply.
Claims (8)
1. two weighing platform road vehicle weighing systems that are applicable to shaft coupling type vehicle, contain weighing platform, the checkout equipment of weighing, vehicle separator, data collection processor and charge computer, the checkout equipment of weighing is arranged in the lane in which the drivers should pay fees, weighing platform is arranged on the upper surface of the checkout equipment of weighing, the upper surface of weighing platform and the surface of the lane in which the drivers should pay fees are in same plane, vehicle separator is arranged on the place ahead of weighing platform, and vehicle separator is positioned at the both sides of the lane in which the drivers should pay fees, it is characterized in that: the signal output part of the checkout equipment of weighing is connected with the weighing-up wave input end of data collection processor, the signal output part of vehicle separator is connected with the first signals of vehicles input end of data collection processor, the communication terminal of data collection processor is connected with charge computer, weighing platform contains two minutes platforms, within two minutes, platform is respectively front platform and rear platform, front platform and rear platform are arranged in the lane in which the drivers should pay fees according to tandem arrangement mode, vehicle separator is arranged on the place ahead of front platform, the length of front platform is 750mm ~ 850mm, the length of rear platform is 1600mm ~ 3200mm, interval between front platform and rear platform is less than 850mm.
2. two weighing platform road vehicle weighing systems that are applicable to shaft coupling type vehicle according to claim 1, it is characterized in that: described in the checkout equipment of weighing contain N LOAD CELLS, front platform and rear platform are arranged on the upper surface of N LOAD CELLS, the signal output part of N LOAD CELLS is connected with N weighing-up wave input end of data collection processor respectively, and N is more than or equal to 6 natural number.
3. the two weighing platform road vehicle weighing systems that are applicable to shaft coupling type vehicle according to claim 2, is characterized in that: described vehicle separator is light curtain machine, and LOAD CELLS is strain gauge transducer.
4. two weighing platform road vehicle weighing systems that are applicable to shaft coupling type vehicle according to claim 2, it is characterized in that: described in the checkout equipment of weighing contain 8 LOAD CELLS, front platform and rear platform are rectangle weighing platform, 4 LOAD CELLS in 8 LOAD CELLS lay respectively on 4 angles of front platform, and all the other 4 LOAD CELLS lay respectively on 4 angles of rear platform.
5. two weighing platform road vehicle weighing systems that are applicable to shaft coupling type vehicle according to claim 2, it is characterized in that: in the place ahead of described vehicle separator and be positioned on the lane in which the drivers should pay fees, tire arbiter is installed, and the signal output of tire arbiter is connected with the tire signal input of data collection processor.
6. two weighing platform road vehicle weighing systems that are applicable to shaft coupling type vehicle according to claim 5, it is characterized in that: in the place ahead of described tire arbiter and be arranged in the lane in which the drivers should pay fees and be embedded with coil checker, the signal output part of coil checker is connected with the second signals of vehicles input end of data collection processor.
7. the two weighing platform road vehicle weighing systems that are applicable to shaft coupling type vehicle according to claim 1, is characterized in that: described data collection processor and charge computer are arranged on a side of the lane in which the drivers should pay fees.
8. the two weighing platform road vehicle weighing systems that are applicable to shaft coupling type vehicle according to claim 6, is characterized in that: in described data collection processor, contain single-chip microcomputer, analog to digital conversion circuit, RS485 driving circuit, RS232 driving circuit, the first switching signal driving circuit, second switch signal drive circuit, display driver circuit, display, keyboard, RAM memory circuitry, eeprom memory circuit and power circuit, the signal output part of N LOAD CELLS is connected with N signal input part of analog to digital conversion circuit respectively, the delivery outlet of analog to digital conversion circuit is connected with the serial data mouth of single-chip microcomputer, the signal output of tire arbiter is connected with the first communication port of single-chip microcomputer by RS485 driving circuit, the signal output part of vehicle separator is connected with the first switching signal input end of single-chip microcomputer by the first switching signal driving circuit, the communication port of vehicle separator is connected with the first communication port of single-chip microcomputer by RS485 driving circuit, the signal output part of coil checker is connected with the second switch signal input part of single-chip microcomputer by second switch signal drive circuit, the communication port of charge computer is connected with the second communication port of single-chip microcomputer by RS232 driving circuit, display is connected with the demonstration mouth of single-chip microcomputer by display driver circuit, keyboard is connected with the keyboard mouth of single-chip microcomputer, RAM memory circuitry is connected with the storage mouth of single-chip microcomputer with eeprom memory circuit, power circuit is single-chip microcomputer, analog to digital conversion circuit, RS485 driving circuit, RS232 driving circuit, the first switching signal driving circuit, second switch signal drive circuit, display driver circuit, display, RAM memory circuitry and eeprom memory circuit supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320675721.3U CN203561413U (en) | 2013-10-30 | 2013-10-30 | Two-weighing-platform road vehicle weighing system applicable to coupling type vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320675721.3U CN203561413U (en) | 2013-10-30 | 2013-10-30 | Two-weighing-platform road vehicle weighing system applicable to coupling type vehicle |
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| Publication Number | Publication Date |
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| CN203561413U true CN203561413U (en) | 2014-04-23 |
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| CN201320675721.3U Expired - Lifetime CN203561413U (en) | 2013-10-30 | 2013-10-30 | Two-weighing-platform road vehicle weighing system applicable to coupling type vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103528654A (en) * | 2013-10-30 | 2014-01-22 | 郑州恒科实业有限公司 | Two-weighing-platform road vehicle weighing system applicable to coupling type vehicle |
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2013
- 2013-10-30 CN CN201320675721.3U patent/CN203561413U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103528654A (en) * | 2013-10-30 | 2014-01-22 | 郑州恒科实业有限公司 | Two-weighing-platform road vehicle weighing system applicable to coupling type vehicle |
| CN103528654B (en) * | 2013-10-30 | 2015-12-02 | 郑州恒科实业有限公司 | Be applicable to two weighing platform road vehicle weighing systems of shaft coupling type vehicle |
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