CN203561418U - Three-weighing-platform road vehicle weighing system applicable to coupling type vehicles - Google Patents
Three-weighing-platform road vehicle weighing system applicable to coupling type vehicles Download PDFInfo
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- CN203561418U CN203561418U CN201320675815.0U CN201320675815U CN203561418U CN 203561418 U CN203561418 U CN 203561418U CN 201320675815 U CN201320675815 U CN 201320675815U CN 203561418 U CN203561418 U CN 203561418U
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- 230000008878 coupling Effects 0.000 title claims abstract description 31
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- 238000004891 communication Methods 0.000 claims abstract description 19
- 238000013480 data collection Methods 0.000 claims description 35
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Abstract
The utility model relates to a three-weighing-platform road vehicle weighing system applicable to coupling type vehicles. The system comprises a first weighing platform, a weighing detection device, vehicle separators, a data acquisition processor and a charging computer, wherein the first weighing platform is arranged on the upper surface of the weighing detection device; two weighing devices are arranged in front of the weighing detection device, and are mounted in a charging lane horizontally side by side or in a front-and-rear staggered manner; the second weighing platform and the third weighing platform are arranged at the upper parts of the two weighing devices respectively; the length of the first weighing platform is 1600-3200 mm, the lengths of the second weighing platform and the third weighing platform equivalently ranges from 400 to 800 mm, the shortest distance between the first weighing platform and the second weighing platform/the third weighing platform is 300-1200 mm; the output ends of the weighing detection device, the weighing devices and the vehicle separator are connected with the data acquisition processor; and the communication end of the data acquisition processor is connected with the charging computer. The road vehicle weighing system is accurate in weighing.
Description
(1), technical field: the utility model relates to a kind of vehicle weighing system, particularly a kind of three 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 three weighing platform road vehicle weighing systems of shaft coupling type vehicle.
The technical solution of the utility model:
Be applicable to three weighing platform road vehicle weighing systems of shaft coupling type vehicle, contain first weigh flat
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, the first weighing platform is arranged on the upper surface of the checkout equipment of weighing, the upper surface of the first weighing platform and the surface of the lane in which the drivers should pay fees are in same plane, in the place ahead of the checkout equipment of weighing, be provided with two weighing apparatus, two weighing apparatus according to the set-up mode on the first from left right side side by side or be staggered front to back and be arranged in the lane in which the drivers should pay fees, the top of two weighing apparatus is respectively the second weighing platform and the 3rd weighing platform, the second weighing platform and the 3rd 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 positioned at the place ahead of the second weighing platform and the 3rd weighing platform, and vehicle separator is arranged on the both sides of the lane in which the drivers should pay fees, the length of the first weighing platform is 1600mm ~ 3200mm, the length of the second weighing platform and the 3rd weighing platform is identical and be 400 ~ 800mm, the first weighing platform and the second weighing platform, the shortest front and back between the 3rd weighing platform are spaced apart 300mm ~ 1200mm, the weigh signal output part of checkout equipment and the signal output part of two weighing apparatus 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.
The length of the second weighing platform and the 3rd weighing platform has determined that they once can only weigh a single shaft of vehicle, the weighing platform of this form is single axle weighing platform, the length of the first weighing platform makes it can weigh the duplex axle axle group of vehicle simultaneously, these three weighing platforms are combined the three shaft coupling axle groups that can simultaneously weigh vehicle, 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 three weighing platforms, 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, the first weighing platform is 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 3 natural number; The signal output part of two weighing apparatus is connected with two other weighing-up wave input end of data collection processor respectively.
Vehicle separator is light curtain machine, and LOAD CELLS is strain gauge transducer, and weighing apparatus is bended plate type weighing apparatus.
The checkout equipment of weighing contains 4 LOAD CELLS, and the first weighing platform is rectangle weighing platform, and 4 LOAD CELLS lay respectively on 4 angles of the first weighing platform; The second weighing platform and the 3rd weighing platform are also rectangle weighing 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.
When two weighing apparatus are arranged in the lane in which the drivers should pay fees according to the set-up mode on the first from left right side side by side, interval, the shortest front and back between the first weighing platform and the second weighing platform, the 3rd weighing platform refers to: the interval, front and back between the first weighing platform and the second weighing platform, or the interval, front and back between the first weighing platform and the 3rd weighing platform.
When two weighing apparatus are staggered front to back while being arranged in the lane in which the drivers should pay fees according to the set-up mode on the first from left right side, the second weighing platform and the 3rd weighing platform are called respectively: front weighing platform and rear weighing platform, or the second weighing platform and the 3rd weighing platform are called respectively: rear weighing platform and front weighing platform; Longitudinal separation between front weighing platform and the rear end of rear weighing platform is that the interval, the shortest front and back between the 20% ~ 120%, first weighing platform of front weighing platform or rear weighing platform length and the second weighing platform, the 3rd weighing platform refers to: the interval, front and back between the first weighing platform and rear weighing platform.
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 signal output part of two weighing apparatus is connected with two other 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, the utility model contains three weighing platforms, the second and the 3rd weighing platform is according to the arrangement mode setting on the first from left right side, the first weighing platform is positioned at second and the rear of the 3rd weighing platform, the second and the 3rd weighing platform is single axle weighing platform, once can only weigh a single shaft of vehicle, the first weighing platform can weigh the duplex axle axle group of vehicle simultaneously, and these three weighing platforms are combined the three shaft coupling axle groups that can simultaneously weigh vehicle; 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 three weighing platforms, 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 one of the structural representation that is applicable to three weighing platform road vehicle weighing systems of shaft coupling type vehicle;
Fig. 2 is the circuit connection diagram that is applicable to three weighing platform road vehicle weighing systems of shaft coupling type vehicle;
Fig. 3 be applicable to shaft coupling type vehicle three weighing platform road vehicle weighing systems structural representation two;
Fig. 4 be applicable to shaft coupling type vehicle three weighing platform road vehicle weighing systems structural representation three.
(5), embodiment:
Embodiment mono-: referring to Fig. 1～Fig. 2, in figure, be applicable to three weighing platform highway cars of shaft coupling type vehicle
Weighing system contains the first weighing platform 9, 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, the first weighing platform 9 is arranged on the upper surface of the checkout equipment of weighing, the surface of the upper surface of the first weighing platform 9 and the lane in which the drivers should pay fees 3 is in same plane, in the place ahead of the checkout equipment of weighing, be provided with two bended plate type weighing apparatus, two bended plate type weighing apparatus are arranged in the lane in which the drivers should pay fees 3 side by side according to the set-up mode on the first from left right side, the top of two bended plate type weighing apparatus is respectively the second weighing platform 1 and the 3rd weighing platform 10, the upper surface of the second weighing platform 1 and the 3rd weighing platform 10 and the surface of the lane in which the drivers should pay fees 3 are in same plane, vehicle separator 4 is positioned at the place ahead of the second weighing platform 1 and the 3rd weighing platform 10, and vehicle separator 4 is arranged on the both sides of the lane in which the drivers should pay fees 3, the length L 1 of the first weighing platform 9 is 1950mm, the length L 2 of the second weighing platform 1 and the 3rd weighing platform 10, L3 is 540mm, the first weighing platform 9 and the second weighing platform 1, interval, front and back L4 between the 3rd weighing platform 10, L5 is 610mm, the weigh signal output part of checkout equipment and the signal output part of two bended plate type weighing apparatus is connected with the weighing-up wave input end of data collection processor 8, 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.
The length of the second weighing platform 1 and the 3rd weighing platform 10 has determined that they once can only weigh a single shaft of vehicle, the weighing platform of this form is single axle weighing platform, the length of the first weighing platform 9 makes it can weigh the duplex axle axle group of vehicle simultaneously, these three weighing platforms are combined the three shaft coupling axle groups that can simultaneously weigh vehicle, 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 three weighing platforms, 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 4 LOAD CELLS, 2, the first weighing platforms 9 and is arranged on the upper surface of 4 LOAD CELLS 2, and the signal output part of 4 LOAD CELLS 2 is connected with 4 weighing-up wave input ends of data collection processor 8 respectively; The signal output part of two bended plate type weighing apparatus is connected with two other weighing-up wave input end 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..The model of bended plate type weighing apparatus is: PXWB, manufacturer is: Zhengzhou Hengke Industry Co., Ltd..
The first weighing platform 9 is rectangle weighing platform, and 4 LOAD CELLS 2 lay respectively on 4 angles of the first weighing platform 9; The second weighing platform 1 and the 3rd weighing platform 10 are also rectangle weighing platform.
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 4 LOAD CELLS 2 is connected with 4 signal input parts of analog to digital conversion circuit respectively, the signal output part of two bended plate type weighing apparatus is connected with two other 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 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.
Embodiment bis-: referring to Fig. 2, Fig. 3, in figure, numbering is identical with embodiment mono-, the meaning of representative is identical, its course of work is also basic identical, something in common does not repeat, difference is: two bended plate type weighing apparatus are staggered front to back and are arranged in the lane in which the drivers should pay fees 3 according to the set-up mode on the first from left right side, and the top of two bended plate type weighing apparatus is respectively the second weighing platform 1 and the 3rd weighing platform 10, the second weighing platforms 1 and the 3rd weighing platform 10 and is called respectively: rear weighing platform and front weighing platform; Longitudinal separation L6 between the rear end of the rear end of the 3rd weighing platform 10 and the second weighing platform 1 is that 50%, the first weighing platform 9 of the 3rd weighing platform 10 or the second weighing platform 1 length and interval, the front and back L4 between the second weighing platform 1 are 610mm.
Embodiment tri-: referring to Fig. 2, Fig. 4, in figure, numbering is identical with embodiment mono-, the meaning of representative is identical, its course of work is also basic identical, something in common does not repeat, difference is: two bended plate type weighing apparatus are staggered front to back and are arranged in the lane in which the drivers should pay fees 3 according to the set-up mode on the first from left right side, and the top of two bended plate type weighing apparatus is respectively the second weighing platform 1 and the 3rd weighing platform 10, the second weighing platforms 1 and the 3rd weighing platform 10 and is called respectively: rear weighing platform and front weighing platform; Longitudinal separation L6 between the rear end of the rear end of the 3rd weighing platform 10 and the second weighing platform 1 is that 100%, the first weighing platform 9 of the 3rd weighing platform 10 or the second weighing platform 1 length and interval, the front and back L4 between the second weighing platform 1 are 610mm.
Claims (10)
1. three weighing platform road vehicle weighing systems that are applicable to shaft coupling type vehicle, contain the first 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, the first weighing platform is arranged on the upper surface of the checkout equipment of weighing, the upper surface of the first weighing platform and the surface of the lane in which the drivers should pay fees are in same plane, it is characterized in that: in the place ahead of the checkout equipment of weighing, be provided with two weighing apparatus, two weighing apparatus according to the set-up mode on the first from left right side side by side or be staggered front to back and be arranged in the lane in which the drivers should pay fees, the top of two weighing apparatus is respectively the second weighing platform and the 3rd weighing platform, the second weighing platform and the 3rd 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 positioned at the place ahead of the second weighing platform and the 3rd weighing platform, and vehicle separator is arranged on the both sides of the lane in which the drivers should pay fees, the length of the first weighing platform is 1600mm ~ 3200mm, the length of the second weighing platform and the 3rd weighing platform is identical and be 400 ~ 800mm, the first weighing platform and the second weighing platform, the shortest front and back between the 3rd weighing platform are spaced apart 300mm ~ 1200mm, the weigh signal output part of checkout equipment and the signal output part of two weighing apparatus 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.
2. three 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, the first weighing platform is 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 3 natural number; The signal output part of two weighing apparatus is connected with two other weighing-up wave input end of data collection processor respectively.
3. the three 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, and weighing apparatus is bended plate type weighing apparatus.
4. three 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 4 LOAD CELLS, the first weighing platform is rectangle weighing platform, and 4 LOAD CELLS lay respectively on 4 angles of the first weighing platform; The second weighing platform and the 3rd weighing platform are also rectangle weighing platform.
5. three 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. three 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 three 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. three weighing platform road vehicle weighing systems that are applicable to shaft coupling type vehicle according to claim 1, it is characterized in that: when described two weighing apparatus are arranged in the lane in which the drivers should pay fees according to the set-up mode on the first from left right side side by side, interval, the shortest front and back between the first weighing platform and the second weighing platform, the 3rd weighing platform refers to: the interval, front and back between the first weighing platform and the second weighing platform, or the interval, front and back between the first weighing platform and the 3rd weighing platform.
9. three weighing platform road vehicle weighing systems that are applicable to shaft coupling type vehicle according to claim 1, it is characterized in that: when described two weighing apparatus are staggered front to back while being arranged in the lane in which the drivers should pay fees according to the set-up mode on the first from left right side, the second weighing platform and the 3rd weighing platform are called respectively: front weighing platform and rear weighing platform, or the second weighing platform and the 3rd weighing platform are called respectively: rear weighing platform and front weighing platform; Longitudinal separation between front weighing platform and the rear end of rear weighing platform is 20% ~ 120% of front weighing platform or rear weighing platform length, and the interval, the shortest front and back between described the first weighing platform and the second weighing platform, the 3rd weighing platform refers to: the interval, front and back between the first weighing platform and rear weighing platform.
10. the three 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 signal output part of two weighing apparatus is connected with two other 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.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320675815.0U CN203561418U (en) | 2013-10-30 | 2013-10-30 | Three-weighing-platform road vehicle weighing system applicable to coupling type vehicles |
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| CN201320675815.0U CN203561418U (en) | 2013-10-30 | 2013-10-30 | Three-weighing-platform road vehicle weighing system applicable to coupling type vehicles |
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| CN203561418U true CN203561418U (en) | 2014-04-23 |
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| CN201320675815.0U Expired - Fee Related CN203561418U (en) | 2013-10-30 | 2013-10-30 | Three-weighing-platform road vehicle weighing system applicable to coupling type vehicles |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103512640A (en) * | 2013-10-30 | 2014-01-15 | 郑州恒科实业有限公司 | Three-weighing platform road vehicle weighing system applicable to shaft-connected vehicles |
| CN106404142A (en) * | 2016-08-30 | 2017-02-15 | 山东钢铁股份有限公司 | Composite measurement method based on double-mesa torpedo car dynamic railroad scale |
-
2013
- 2013-10-30 CN CN201320675815.0U patent/CN203561418U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103512640A (en) * | 2013-10-30 | 2014-01-15 | 郑州恒科实业有限公司 | Three-weighing platform road vehicle weighing system applicable to shaft-connected vehicles |
| CN103512640B (en) * | 2013-10-30 | 2015-12-02 | 郑州恒科实业有限公司 | Be applicable to three weighing platform road vehicle weighing systems of shaft coupling type vehicle |
| CN106404142A (en) * | 2016-08-30 | 2017-02-15 | 山东钢铁股份有限公司 | Composite measurement method based on double-mesa torpedo car dynamic railroad scale |
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