CN102019874B - Automatic weighing system of automobile - Google Patents
Automatic weighing system of automobile Download PDFInfo
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- CN102019874B CN102019874B CN 200910195683 CN200910195683A CN102019874B CN 102019874 B CN102019874 B CN 102019874B CN 200910195683 CN200910195683 CN 200910195683 CN 200910195683 A CN200910195683 A CN 200910195683A CN 102019874 B CN102019874 B CN 102019874B
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- control unit
- electronic control
- running electronic
- baroceptor
- tracheae
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Abstract
The invention relates to an automatic weighing system of an automobile, comprising a display instrument, an automobile running electronic control unit and a plurality of pressure sensors arranged in a cab. Gasbags of a steering axle, a driving axle and a bearing axle are respectively connected with a gas pipe, the gas pipe is connected with a pressure sensor, each pressure sensor is connected with one port of the automobile running electronic control unit through a data line and outputs a voltage signal of 0.5-4.5V to the automobile running electronic control unit, and the automobile running electronic control unit integrates various gasbag parameters and underspring weight data prestored in storage units thereof, calculates the axle deadweight and the total automobile weight of the steering axle, the driving axle and the bearing axle, the pure load and the passenger number through embedded weighing operation procedures and outputs the data through an output interface on the automobile running electronic control unit to the display instrument to be displayed.
Description
Technical field:
The present invention relates to a kind of automatic weighing system that is arranged on the automobile, in particular, it relates to a kind of air pressure that gathers air bag by baroceptor, change in the voltage signal input running electronic control unit and carry out computing, and the axle load amount of steeraxle, drive axle and bearing bridge when normally moving by the display instrument display automobile and car load total weight, net load, occupant personnel's automatic weighing system of automobile.
Background technology:
Overload of vehicle is a serious social concern, and overload control also is a long-term job.At present the method for overload control all is at highway the check post overloading that checks vehicles to be set basically, in case find overload, could normal operation after operating personal will require chaufeur to unload.Although at present overloading is more serious, the not original meaning overload of some chaufeurs of observing disciplines and obey laws is still arranged, but owing to not being equipped with weighing system on the existing automobile, so these chaufeurs when overloading, control can only lean on range estimation, and this method is science not very.
Be exactly that present vehicle unbalance-loading phenomenon is more serious in addition, unbalance loading appears and after, will badly influence the safety traffic of vehicle, also cause simultaneously the load axle discontinuity of steeraxle, bearing bridge both sides, drive axle river, degree of wear is also different.
The air bag (air bellow) that but another problem is exactly the suspension system of at present car all to be adopted basically is as buffer unit, and in the Vehicle Driving Cycle process, atmospheric pressure value how to measure these air bags also is a problem of very having a headache.
Summary of the invention:
Technical matters to be solved by this invention is to provide a kind of automatic weighing system of automobile, change automatic weighing system of automobile and be applicable to be equipped with on the vehicle of air bag, can accurately measure the axle load amount of steeraxle, drive axle and bearing bridge and car load total weight, net load, occupant personnel and can monitor at any time the air pressure of air bag.
Technical matters to be solved by this invention can be achieved through the following technical solutions:
A kind of automatic weighing system of automobile is characterized in that, it comprises:
Display instrument in the operator's compartment is set; With
One running electronic control unit, and
Some baroceptor;
At described steeraxle, pick out a tracheae on the air bag of drive axle and bearing bridge, described tracheae connects a baroceptor, each baroceptor is connected with a port of described running electronic control unit by data line, to this running electronic control unit output 0.5-4.5V voltage signal, this running electronic control unit is in conjunction with pre-stored each air bag parameter and unsprung weight data in its memory cell, calculate steeraxle by the embedded operation procedure of weighing, drive axle, the axle load amount of bearing bridge, the car load total weight, net load and occupant's number and by with described running electronic control unit on output interface be delivered to display instrument and show.
Output interface on the running electronic control unit of the present invention can also be exported an alerting signal to display instrument and show, this running electronic control unit can also be exported 20mA to a control setup, with the operation of control vehicle.
Output interface on the running electronic control unit of the present invention is exportable diagnostic signal to a diagnostic device also, and this diagnostic device can be diagnosed the state of air bag.
Display instrument of the present invention can and described running electronic control unit between carry out intercommunication, and be provided with at described display instrument and enter, to withdraw from and upper and lower page-turning function key, the air bag parameter that memory cell in the described running electronic control unit is stored and the data of unsprung weight and passenger's std wt are set.
Running electronic control unit of the present invention gathers by the 0.5-4.5V voltage signal of electronic switch to baroceptor output, and acquisition time is spaced apart 5S.
Owing to having adopted technical scheme as above, the present invention can be in real time monitors the axle load amount of steeraxle, drive axle and bearing bridge and car load total weight, net load, occupant personnel, in case overload or unbalance loading occur, display instrument will send warning, can control by control setup the running state of vehicle when serious.The present invention can also diagnose the mode of operation of air bag.The present invention has simple in structure, is easy to processing and manufacturing, and work system is stable, perfect in shape and function, and result of use is good.
Description of drawings:
Further specify the present invention below in conjunction with the drawings and specific embodiments.
Fig. 1 is structure principle chart of the present invention.
Fig. 2 is the output interface schematic diagram of running electronic control unit of the present invention.
Fig. 3 is the interface schematic diagram of display instrument of the present invention.
The specific embodiment:
For technological means, creation characteristic that the present invention is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the present invention.
With reference to Fig. 1, vehicle automatic weighing system shown in Figure 1, comprise the display instrument 1 that arranges in the operator's compartment, running electronic control unit 2 and 5 baroceptor 31,32,33,34,35, air bag 41 at steeraxle 4, pick out a tracheae 43 on 42, tracheae 43 connects baroceptor 31, the air bag 51 of drive axle 5,52,53, pick out a tracheae 55 on 54, tracheae 55 connects baroceptor 32,33, the air bag 61 of bearing bridge 6,62,63, pick out a tracheae 65 on 64, tracheae 65 connects baroceptor 34,35, baroceptor 31,32,33,34, the 35 port A by data line and running electronic control unit 2, C, D, E, F connects, to this running electronic control unit output 0.5-4.5V voltage signal, this running electronic control unit 2 is in conjunction with pre-stored each air bag parameter and unsprung weight data in its memory cell, calculate steeraxle 4 by the embedded operation procedure of weighing, drive axle 5, the axle load amount of bearing bridge 6, the car load total weight, net load and occupant's number and by with running electronic control unit 2 on output interface CZB1 be delivered to display instrument 1 and show.
10,11,12 pin of output interface CZB1 on the running electronic control unit 2 connect 2,6,8 pin of the input interface CZ1 of display instrument 1, and 10,11,12 pin of output interface CZB1 are exported three tunnel alerting signals to display instrument 1 and shown.The port B of this running electronic control unit 2 connects a control setup 7, port B exports the control electric current of a 20mA to control setup 7, control setup 7 can be controlled direction of traffic, ignition system etc., like this can be when overload occurring, and the running state of control vehicle.
Referring to Fig. 2,7 pin of the output interface CZB1 on running electronic control unit 2 are exportable diagnostic signal to a diagnostic device 8 also, and this diagnostic device 8 can be diagnosed the state of air bag.
Referring to Fig. 2 and Fig. 3,1 of the input interface CZ1 of display instrument 1,5 pin meet 5 of output interface CZB1 on the running electronic control unit 2,6 pin, like this display instrument 1 just can and running electronic control unit 2 between carry out intercommunication, so not only running electronic control unit 2 calculates steeraxle 4, drive axle 5, the axle load amount of bearing bridge 6, the car load total weight, the data such as net load and occupant's number can be input to display instrument and be revealed, and the air bag parameter that can store memory cell in the running electronic control unit 2 by display instrument 1 and the data of unsprung weight and passenger's std wt are set.
Referring to Fig. 1, be provided with a display window 11 on the display instrument 1, in the display window 11 LCDs is arranged, LCDs is provided with background light, and daytime is entirely bright, after the automobile lampet is opened, background light closes dimmed, and the display standard that background light closes is with reference to auto meter brightness display requirement.Below display window 11, be provided with four function key ESC, ▲,
, ENTER, the operator sets by the data that these four function keys are carried out air bag parameter, unsprung weight and passenger's std wt, and Admin PIN cryptoguard can be set, wherein when passenger's std wt, air bag parameter, PIN code input, ▲,
Function key operation basic number magnitude is 1, and it is 20 that other weight parameter is set the order of magnitude.
The concrete application of each function key is as follows:
ESC-press＜ESC when showing weight〉key is to menu system, perhaps returns menu setecting in earlier stage when menu system.When data are inputted, pressing＜ENTER press＜ESC before the key key, with the state that returns to weighing system and in earlier stage input, the similar function of cancelling.If then press again＜ESC〉key, will turn back to the menu setecting in early stage.
▲ key goes to select the next item up selection and the mobile display of the anti-options that shows to arrive high numerical value.When inputting, numerical value increases numerical value by lasting pressing ▲ key.
ENTER selects anti-aobvious menu item, and it also is used at the timing signal input weight.
Running electronic control unit 2 gathers by the 0.5-4.5V voltage signal of electronic switch to baroceptor 31,32,33,34,35 outputs, and acquisition time is spaced apart 5S.The Data Update pitch time that is to say display instrument 1 is 5S.
Running electronic control unit 2 can be stored weight data by continuous record, and the pitch time of storage is 6 minutes, and the address book stored data retention period is 7 days, surpasses 7 days and then can cover preservation, and the calculated quantity demand is by operation 24 hours every days.
The present invention is fit to full airsuspension system, gather the air pressure of air bag by baroceptor, change into voltage signal and carry out computing, certainly, can change into voltage signal with the oil pressure of the collection strain of amount of deflection sensor and oil pressure sensor collection oil cylinder and carry out computing, be applied to the suspension of other form.
Above demonstration and described groundwork of the present invention and principal character and advantage of the present invention.The technical personnel of the industry should be understood; the present invention is not restricted to the described embodiments; that describes in above-described embodiment and the specification sheets just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (3)
1. an automatic weighing system of automobile is characterized in that, it comprises:
Display instrument in the operator's compartment is set; With
One running electronic control unit, and
Some baroceptor;
First air bag respectively is set in the steeraxle both sides, and two the first air bags also pick out the first tracheae, and the first tracheae connects the first baroceptor; In drive axle one side two the second air bags are set, two the second air bags also pick out the second tracheae, and the second tracheae connects the second baroceptor, at the drive axle opposite side two the 3rd air bags is set, two the 3rd air bags also pick out the 3rd tracheae, and the 3rd tracheae connects the 3rd baroceptor; In bearing bridge one side two four gasbags are set, two four gasbags also pick out the 4th tracheae, and the 4th tracheae connects the 4th baroceptor, at the bearing bridge opposite side two the 5th air bags are set, two the 5th air bags also pick out the 5th tracheae, and the 5th tracheae connects the 5th baroceptor; Each baroceptor is connected with a port of described running electronic control unit by data line, to this running electronic control unit output 0.5-4.5V voltage signal, this running electronic control unit is in conjunction with pre-stored each air bag parameter and unsprung weight data in its memory cell, calculate axle load amount, the car load total weight of steeraxle, drive axle, bearing bridge by the embedded operation procedure of weighing, net load and occupant's number and by with described running electronic control unit on output interface be delivered to display instrument and show; Output interface on the described running electronic control unit can also be exported an alerting signal to display instrument and show, this running electronic control unit can also be exported 20mA to a control setup, with the operation of control vehicle;
Output interface on the described running electronic control unit is exportable diagnostic signal to a diagnostic device also, and this diagnostic device can be diagnosed the state of air bag.
2. automatic weighing system of automobile as claimed in claim 1, it is characterized in that, described display instrument can and described running electronic control unit between carry out intercommunication, and be provided with at described display instrument and enter, to withdraw from and upper and lower page-turning function key, the air bag parameter that memory cell in the described running electronic control unit is stored and the data of unsprung weight and passenger's std wt are set.
3. automatic weighing system of automobile as claimed in claim 1 is characterized in that, described running electronic control unit gathers by the 0.5-4.5V voltage signal of electronic switch to baroceptor output, and acquisition time is spaced apart 5S.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910195683 CN102019874B (en) | 2009-09-15 | 2009-09-15 | Automatic weighing system of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910195683 CN102019874B (en) | 2009-09-15 | 2009-09-15 | Automatic weighing system of automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102019874A CN102019874A (en) | 2011-04-20 |
| CN102019874B true CN102019874B (en) | 2013-01-23 |
Family
ID=43861783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910195683 Active CN102019874B (en) | 2009-09-15 | 2009-09-15 | Automatic weighing system of automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102019874B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105488654A (en) * | 2016-01-14 | 2016-04-13 | 山东博硕自动化技术有限公司 | Security authentication method for canned material transportation and device for realizing security authentication method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4832141A (en) * | 1986-11-28 | 1989-05-23 | Accu-Weigh Systems, Inc. | Vehicle mounted load indicator system |
| CN200995650Y (en) * | 2006-12-21 | 2007-12-26 | 程海军 | Pressure-derived vehicle-body balance |
| CN101133305A (en) * | 2005-01-05 | 2008-02-27 | 山特维克矿山工程机械有限公司 | Arrangement for weighing transport vehicle load |
| CN201183463Y (en) * | 2008-01-18 | 2009-01-21 | 刘玉杰 | Vehicle-mounted automobile weight measurement and control apparatus |
-
2009
- 2009-09-15 CN CN 200910195683 patent/CN102019874B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4832141A (en) * | 1986-11-28 | 1989-05-23 | Accu-Weigh Systems, Inc. | Vehicle mounted load indicator system |
| CN101133305A (en) * | 2005-01-05 | 2008-02-27 | 山特维克矿山工程机械有限公司 | Arrangement for weighing transport vehicle load |
| CN200995650Y (en) * | 2006-12-21 | 2007-12-26 | 程海军 | Pressure-derived vehicle-body balance |
| CN201183463Y (en) * | 2008-01-18 | 2009-01-21 | 刘玉杰 | Vehicle-mounted automobile weight measurement and control apparatus |
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| Publication number | Publication date |
|---|---|
| CN102019874A (en) | 2011-04-20 |
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Address after: 201821 No. 1055 Fu Hai Road, Shanghai, Jiading District Patentee after: Shanghai Komman Vehicle Component System Stock Co., Ltd. Address before: 201800 Shanghai Jiading District City Jia Zhu Road No. 18 Patentee before: Shanghai Komman Vehicle Parts System Co., Ltd. |