CN111649812A - Semi-trailer vehicle-mounted weighing system - Google Patents
Semi-trailer vehicle-mounted weighing system Download PDFInfo
- Publication number
- CN111649812A CN111649812A CN202010552982.0A CN202010552982A CN111649812A CN 111649812 A CN111649812 A CN 111649812A CN 202010552982 A CN202010552982 A CN 202010552982A CN 111649812 A CN111649812 A CN 111649812A
- Authority
- CN
- China
- Prior art keywords
- module
- vehicle
- semi
- strain
- weighing system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 238000005303 weighing Methods 0.000 title claims abstract description 53
- 238000005259 measurement Methods 0.000 claims abstract description 28
- 238000012545 processing Methods 0.000 claims abstract description 25
- 230000005540 biological transmission Effects 0.000 claims abstract description 13
- 238000004891 communication Methods 0.000 claims abstract description 9
- 238000004364 calculation method Methods 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 230000001960 triggered effect Effects 0.000 claims description 4
- 235000019504 cigarettes Nutrition 0.000 claims description 3
- 230000005284 excitation Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
- G01G19/08—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for incorporation in vehicles
- G01G19/12—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for incorporation in vehicles having electrical weight-sensitive devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G3/00—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances
- G01G3/12—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances wherein the weighing element is in the form of a solid body stressed by pressure or tension during weighing
- G01G3/13—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances wherein the weighing element is in the form of a solid body stressed by pressure or tension during weighing having piezoelectric or piezoresistive properties
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
- G01S19/14—Receivers specially adapted for specific applications
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention provides a semi-trailer vehicle-mounted weighing system, and relates to the field of vehicle-mounted weighing systems. The method mainly comprises the following steps: the device comprises a strain measurement module, a transmitting module, a data transmission module, a data processing module, a display module and a power supply module. The strain measurement module adopts a strain sensor and is arranged at the bottom of a longitudinal beam of a frame of the semitrailer; the transmitting module is connected with the strain sensor through a circuit, receives the analog signal transmitted by the strain sensor and converts the analog signal into a digital signal to be output; the data transmission module adopts a CAN bus communication mode; the data processing module is used for receiving the digital signals output by the transmitting module and calculating and outputting weight information born by the vehicle. According to the semi-trailer vehicle-mounted weighing system, the load condition of a vehicle is accurately measured by effectively utilizing the strain generated by the stress deformation of the frame, the strain measuring modules are arranged at the bottoms of the I-beams on the two sides of the frame, the measuring result is accurate, the vehicle does not need to be modified during installation, and the later maintenance is facilitated.
Description
Technical Field
The invention relates to the technical field of vehicles, in particular to a semi-trailer vehicle-mounted weighing system.
Background
With the continuous development of the automobile industry and the rapid rise of the logistics industry in China, the transportation industry develops abnormally rapidly, the number of trucks is increased rapidly, the bearing capacity is increased more and more, and the overload phenomenon is forbidden frequently in order to pursue the maximization of benefits. The vehicle overload problem is one of the major problems troubling traffic safety, and according to statistics, 70% of road safety accidents are caused by vehicle overload. In addition, the damage of the overload of the vehicle to the road surface and the bridge is very serious, which causes huge economic loss and resource waste.
Traditional mode of weighing relies on the weighbridge fixed point to weigh, and cargo vehicle need drive specific position, measures under quiescent condition, consumes time for a long time, and work efficiency is low, can not satisfy the demand of modernized transportation trade already. At present, the dynamic weighing technology is developed quickly aiming at the weighing problem, the dynamic weighing technology is generally applied to highway toll stations, the non-stop measurement can be realized, the measurement efficiency and the accuracy are high, but the dynamic weighing technology is still influenced by the limitation of fixed-point detection, and the dynamic weighing technology is less applied to common roads and bridges and cannot solve the problem of weighing more widely.
In order to solve the weighing problem and avoid the defects of the traditional weighing mode, a vehicle-mounted weighing system is developed and utilized gradually, a weighing device is arranged on a vehicle body of the system, the bearing condition of the vehicle can be detected in real time, and a driver can obtain weighing information through a vehicle-mounted terminal in real time. In addition, by using the current advanced remote wireless communication and positioning technology, the company to which the vehicle belongs can monitor and manage the vehicle working outside in real time, acquire the load and position information of the vehicle at any time, and have great help for standardizing the behavior of the driver, avoiding unnecessary risks and improving the working efficiency. However, since the technology of the vehicle-mounted weighing system is not mature enough, and each component of the system is easily interfered by various factors, such as temperature, sensor installation position and the like, the vehicle-mounted weighing system needs to be further optimized.
Disclosure of Invention
Aiming at the problems, the invention provides a semitrailer vehicle-mounted weighing system, which realizes free weighing and improves the measurement accuracy.
The semi-trailer vehicle-mounted weighing system comprises six components, namely a strain measuring module, a transmitting module, a data transmission module, a data processing module, a display module and a power supply module.
The strain measurement module adopts a strain sensor, the resistance value of the strain measurement module changes along with the bearing deformation of the frame, and a corresponding voltage analog signal is output.
The strain measurement module adopts a high-precision full-bridge strain gauge with temperature self-compensation, saves the step of bridge combination compared with a single-shaft strain gauge, and has the temperature interference resistance; the resistance value of the strain gauge is 350 +/-5% omega, the sensitivity coefficient is 2.11 +/-1%, the strain limit is 2%, and the applicable temperature range is-30 to +80 ℃.
The strain measurement modules are symmetrically arranged at the bottom of a longitudinal beam of a frame of the semitrailer, and 4 strain measurement modules are arranged on each side of the longitudinal beam; the strain measurement module is installed without disassembling and assembling the vehicle, and is convenient to install and maintain.
The transmitting module is connected with the strain measuring module through a circuit, receives the analog signals transmitted by the strain measuring module, adopts a special weighing measurement digital-to-analog conversion module, can provide stable excitation voltage, and can amplify and convert the analog signals transmitted by the strain measuring module.
The data transmission module adopts a CAN bus communication mode and is connected with a single chip microcomputer comprising each strain sensor, a CAN transceiver, two differential signal lines and a master control single chip microcomputer for receiving data, and the master control single chip microcomputer for receiving the data encodes a message and transmits the message to the two buses by differential signals; the communication mode adopting the CAN bus has the advantages of good anti-interference performance, small wiring harness number and easiness in error detection.
The data processing module adopts the STM32 singlechip, the singlechip CAN carry out data receiving and decoding, realize data processing, temperature compensation algorithm and CAN bus data receiving and dispatching, this singlechip CAN satisfy the design requirement of high performance, low cost, low-power consumption, data that data processing module (4) accessible analysis calculation frame both sides were surveyed judge whether evenly load in the car, if the numerical difference value that both sides strain gauge sensor surveyed is great, on-vehicle alarm will be triggered, remind the driver in time to take measures, avoid appearing the unbalance loading operating mode.
The display module is connected with the data processing module, receives the calculation result of the data processing module and displays the finally measured weight value.
The power module is connected with the vehicle-mounted cigarette lighter socket, and the power module adopts a low-dropout linear voltage stabilizing chip to provide low-ripple direct-current voltage of 5V and 3.3V to drive each module.
The semi-trailer vehicle-mounted weighing system is also provided with a GPS (global positioning system), a wireless communication module and an audible and visual alarm, so that weighing information and vehicle positions can be immediately transmitted to a driver and a background control center which are not in the vehicle, a user can check detection information in real time by using a mobile phone client, and if the load of the vehicle is suddenly reduced in an unconventional time period, the alarm can be triggered to remind the driver to take corresponding protective measures in time.
In conclusion, the beneficial effects of the invention are as follows:
(1) compared with the conventional vehicle-mounted weighing system, the vehicle-mounted weighing system has the advantages that the weighing result is more accurate, and the influence of external environmental factors is small.
(2) The vehicle-mounted weighing system can detect whether the vehicle is in unbalanced load, and avoids dangerous working conditions.
(3) The vehicle-mounted weighing system can realize the functions of overload alarm, unconventional weightlessness alarm and GPS positioning.
(4) The weighing sensors of the vehicle-mounted weighing system are arranged at the bottoms of the I-beams on the two sides of the frame, so that the measuring result is accurate, the vehicle does not need to be modified during installation, and the later maintenance is facilitated.
Drawings
FIG. 1 is a schematic structural diagram of a vehicle-mounted weighing system according to the present invention;
FIG. 2 is a schematic diagram of a strain measurement module according to the present invention;
FIG. 3 is a flow chart of the operation of the vehicle weighing system of the present invention.
Detailed Description
The vehicle-mounted weighing system of the present invention is further described below by way of embodiments.
As shown in figure 1, the semi-trailer vehicle-mounted weighing system comprises six components, namely a strain measuring module 1, a transmitting module 2, a data processing module 3, a data transmission module 4, a display module 5 and a power supply module 6. The strain measurement module 1 adopts a strain sensor, when an automobile frame is deformed by a load to generate strain, the strain measurement module 1 is correspondingly deformed, the resistance value of the strain measurement module is changed, and a corresponding voltage analog signal is output; the strain measurement module 1 adopts a high-precision full-bridge strain gauge with temperature self-compensation, saves the step of bridge combination compared with a single-shaft strain gauge, is easy to paste and fix, has temperature interference resistance, and obviously improves the detection accuracy.
As shown in fig. 1, the transmitting module 2 is connected to the strain measuring module 1 through a circuit, the transmitting module 2 receives the analog signal transmitted from the strain measuring module 1, amplifies and converts the analog signal, and the transmitting module 2 adopts a module dedicated to digital-to-analog conversion for weighing measurement, so that a relatively stable excitation voltage can be provided, and the accuracy of the measurement result can be further ensured.
The data transmission module 3 adopts a CAN bus communication mode, and comprises a single chip microcomputer, a CAN transceiver, two differential signal lines and a master control single chip microcomputer which are connected with each strain sensor, wherein the master control single chip microcomputer which receives data encodes messages and transmits the messages to the two buses in a differential signal mode.
And the data transmission module 3 transmits the digital signals output by the processing of the transmitting module 2 to the data processing module 4.
The data processing module 4 adopts an STM32 singlechip, and mainly receives and decodes data to realize data processing, temperature compensation algorithm and CAN bus data transceiving. STM32 singlechip can satisfy the design requirement of high performance, low cost, low-power consumption, can carry out real-time processing to the weight information that transmits and calculate and obtain final weight value to give display module 5 with weight value transmission. If the difference value of the detection values of the variable measurement modules on the two sides of the frame is large in the data calculation and processing process, the alarm indicator lamp is lightened to remind a driver of uneven loading of cargoes, corresponding measures are taken timely, the influence on the accuracy of a weighing result is avoided, and meanwhile dangerous working conditions such as rollover and the like are effectively avoided in the vehicle running process.
The display module 5 is directly connected with the data processing module 4, receives the calculation result of the data processing module, and displays the finally measured weight value.
The power supply module 6 is connected with the vehicle-mounted cigarette lighter socket and provides power for the whole system, the power supply module 6 adopts a low-dropout linear voltage stabilizing chip and provides 5V and 3.3V low-ripple direct-current voltage, and each module of the system can be stably driven.
The semi-trailer vehicle-mounted weighing system is also provided with a GPS (global positioning system) 7, a wireless communication module 8 and an audible and visual alarm 9, so that weighing information and vehicle positions can be immediately transmitted to a driver and a background control center which are not in the vehicle, a user can check detection information in real time by using a mobile phone client, if the load of the vehicle is suddenly reduced in an unconventional time period, the vehicle-mounted alarm can be triggered to remind the driver to take corresponding protective measures in time, and unnecessary economic loss is avoided.
As shown in figure 2, the strain measurement modules are symmetrically arranged at the bottom of the longitudinal beam of the semitrailer frame, 4 strain measurement modules are arranged on each side of the longitudinal beam, the semitrailer frame does not need to be disassembled and assembled during installation, and the semitrailer frame is convenient to install and maintain.
As shown in fig. 3, the power supply module provides voltage, the system starts to work, the strain measurement module starts to detect strain changes of the chassis after the system is initialized, and sends measurement data to the transmission module, the transmission module converts analog signals from the strain measurement module into digital signals, at this time, one measurement is finished, and the system performs multiple acquisition according to time node cycle. After the conversion of the transmitting module is completed, the digital signal is sent to the data processing module by the data transmission module, the data processing module completes the calculation of the data and sends the calculation result to the display module for display, and if the measured weight or the measured inclination angle is larger than a limit value, the alarm can give an alarm to remind a driver.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a semi-trailer vehicle-mounted weighing system which characterized in that mainly includes six components of strain measurement module (1), transmitting module (2), data transmission module (3), data processing module (4), display module (5) and power module (6).
2. The semi-trailer vehicle-mounted weighing system according to claim 1, characterized in that the strain measuring module (1) adopts a strain sensor, the resistance value of the strain sensor changes along with the bearing deformation of the frame and outputs a corresponding voltage analog signal, and the strain measuring module (1) adopts a high-precision full-bridge strain gauge with temperature self-compensation.
3. The semi-trailer on-board weighing system according to claim 1, characterized in that the strain measuring modules (1) are arranged symmetrically at the bottom of the longitudinal beam of the semi-trailer frame, 4 on each side.
4. The semi-trailer vehicle-mounted weighing system according to claim 1, characterized in that the transmitting module (2) is connected with the strain measuring module (1) through a circuit, the transmitting module (2) receives the analog signal transmitted from the strain measuring module (1), the transmitting module (2) adopts a module special for weighing measurement digital-to-analog conversion, can provide a relatively stable excitation voltage, and can amplify and convert the analog signal transmitted from the strain measuring module (1).
5. The semi-trailer vehicle-mounted weighing system of claim 1, wherein the data transmission module (3) adopts a CAN bus communication mode, and is connected with the single chip microcomputer of each strain sensor, the CAN transceiver, the two differential signal lines and the master control single chip microcomputer for receiving data, and the master control single chip microcomputer for receiving data encodes messages and transmits differential signals to the two buses.
6. The semi-trailer vehicle-mounted weighing system of claim 1, wherein the data processing module (4) adopts an STM32 single chip microcomputer, the single chip microcomputer CAN receive and decode data to realize data processing, a temperature compensation algorithm and CAN bus data receiving and transmitting, and the data processing module (4) CAN analyze and calculate data measured by strain sensors on two sides of the frame to judge whether the vehicle is uniformly loaded or not and avoid the occurrence of an unbalance loading working condition.
7. The semi-trailer vehicle-mounted weighing system according to claim 1, characterized in that the display module (5) is connected with the data processing module (4), receives the calculation result of the data processing module (4), and displays the finally measured weight value.
8. The semi-trailer vehicle-mounted weighing system according to claim 1, characterized in that the power supply module (6) is connected with a vehicle-mounted cigarette lighter socket, and the power supply module (6) adopts a low-dropout linear voltage-stabilizing chip to provide low-ripple direct-current voltages of 5V and 3.3V to drive the modules.
9. The semi-trailer vehicle-mounted weighing system according to claim 1, characterized in that the semi-trailer vehicle-mounted weighing system is also provided with a GPS (global positioning system) 7, a wireless communication module 8 and a acousto-optic alarm (9), weighing information and vehicle positions can be transmitted to a driver and a background control center which are not in the vehicle in real time, a user can also check detection information in real time by using a mobile phone client, and if the vehicle suddenly reduces the load in an unconventional time period, the vehicle-mounted alarm can be triggered to remind the driver in time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010552982.0A CN111649812A (en) | 2020-06-17 | 2020-06-17 | Semi-trailer vehicle-mounted weighing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010552982.0A CN111649812A (en) | 2020-06-17 | 2020-06-17 | Semi-trailer vehicle-mounted weighing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111649812A true CN111649812A (en) | 2020-09-11 |
Family
ID=72345116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010552982.0A Withdrawn CN111649812A (en) | 2020-06-17 | 2020-06-17 | Semi-trailer vehicle-mounted weighing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111649812A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111964765A (en) * | 2020-09-17 | 2020-11-20 | 山东理工大学 | High measurement accuracy semitrailer vehicle-mounted weight detection system |
| CN112212957A (en) * | 2020-11-16 | 2021-01-12 | 广州机觉云物联科技有限公司 | Surface-mounted vehicle-mounted weighing method and system thereof |
| CN113386861A (en) * | 2021-07-30 | 2021-09-14 | 重庆华川九州专用汽车有限公司 | Semitrailer with lower gravity center |
| CN114076632A (en) * | 2021-10-28 | 2022-02-22 | 杭州鸿泉物联网技术股份有限公司 | Vehicle load measuring system and method |
| CN114241790A (en) * | 2021-12-29 | 2022-03-25 | 中翔科技（杭州）有限公司 | Highway supernormal off-site law enforcement system and method |
| CN114563072A (en) * | 2022-03-15 | 2022-05-31 | 南京邮电大学 | Vehicle-mounted high-precision real-time weighing device convenient to disassemble and assemble |
| CN114593801A (en) * | 2022-03-22 | 2022-06-07 | 德州雁传公路工程有限公司 | Real-time detection and coordinate monitoring device for weight of truck |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102519563A (en) * | 2011-12-23 | 2012-06-27 | 刘文富 | Weight change monitoring system |
| CN102538930A (en) * | 2010-12-18 | 2012-07-04 | 西安迅腾科技有限责任公司 | High-precision micro sensor vehicle overload and warning device |
| CN103903443A (en) * | 2014-04-10 | 2014-07-02 | 天地协同（北京）科技有限公司 | Road transportation safety early warning and monitoring system |
| CN104460477A (en) * | 2014-11-07 | 2015-03-25 | 武汉英思工程科技股份有限公司 | Detection system and method for loading conditions and transportation times of self-discharging truck |
-
2020
- 2020-06-17 CN CN202010552982.0A patent/CN111649812A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102538930A (en) * | 2010-12-18 | 2012-07-04 | 西安迅腾科技有限责任公司 | High-precision micro sensor vehicle overload and warning device |
| CN102519563A (en) * | 2011-12-23 | 2012-06-27 | 刘文富 | Weight change monitoring system |
| CN103903443A (en) * | 2014-04-10 | 2014-07-02 | 天地协同（北京）科技有限公司 | Road transportation safety early warning and monitoring system |
| CN104460477A (en) * | 2014-11-07 | 2015-03-25 | 武汉英思工程科技股份有限公司 | Detection system and method for loading conditions and transportation times of self-discharging truck |
Non-Patent Citations (1)
| Title |
|---|
| 胡革等: "一种矿用自卸车车载称重系统研究与设计", 《机械管理开发》, vol. 33, no. 11, 23 November 2018 (2018-11-23) * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111964765A (en) * | 2020-09-17 | 2020-11-20 | 山东理工大学 | High measurement accuracy semitrailer vehicle-mounted weight detection system |
| CN112212957A (en) * | 2020-11-16 | 2021-01-12 | 广州机觉云物联科技有限公司 | Surface-mounted vehicle-mounted weighing method and system thereof |
| CN113386861A (en) * | 2021-07-30 | 2021-09-14 | 重庆华川九州专用汽车有限公司 | Semitrailer with lower gravity center |
| CN113386861B (en) * | 2021-07-30 | 2023-05-09 | 重庆华川九州专用汽车有限公司 | Semitrailer with lower gravity center |
| CN114076632A (en) * | 2021-10-28 | 2022-02-22 | 杭州鸿泉物联网技术股份有限公司 | Vehicle load measuring system and method |
| CN114241790A (en) * | 2021-12-29 | 2022-03-25 | 中翔科技（杭州）有限公司 | Highway supernormal off-site law enforcement system and method |
| CN114563072A (en) * | 2022-03-15 | 2022-05-31 | 南京邮电大学 | Vehicle-mounted high-precision real-time weighing device convenient to disassemble and assemble |
| CN114593801A (en) * | 2022-03-22 | 2022-06-07 | 德州雁传公路工程有限公司 | Real-time detection and coordinate monitoring device for weight of truck |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111649812A (en) | Semi-trailer vehicle-mounted weighing system | |
| CN105788251B (en) | Overloading wagon real-time monitoring system and method based on Big Dipper car networking | |
| US5410109A (en) | Vehicle on-board weighing system and method | |
| CN101153816B (en) | Method for real-time detection of vehicle load | |
| CN109624845A (en) | A kind of Tipper Lifting safety monitoring device and method | |
| CN103903443B (en) | Road safety transport prewarning monitoring system | |
| CN104949746A (en) | Vehicular non-contact vehicle load mass dynamic monitoring device and detecting method thereof | |
| CN212807269U (en) | Container self-weighing device and cargo vehicle thereof | |
| CN102650544B (en) | Entire car type weighing and axle number identifying method | |
| CN106644008A (en) | Multi-function vehicle-mounted overload monitoring system | |
| CN105865598A (en) | Dynamic real-time monitoring system and method of car | |
| CN102494750A (en) | Detecting system and detecting method for unbalanced loading of transportation vehicles | |
| CN214471261U (en) | High measurement accuracy semitrailer vehicle-mounted weight detection system | |
| CN214096307U (en) | Split type movable vehicle weighing wagon balance | |
| CN213301436U (en) | Semi-trailer vehicle-mounted weighing system | |
| CN111964765A (en) | High measurement accuracy semitrailer vehicle-mounted weight detection system | |
| CN203902375U (en) | Vehicle real-time weighing monitoring system | |
| CN106644011A (en) | On-board weighing system | |
| CN110455385A (en) | A kind of vehicle-mounted leaf spring weighing sensor | |
| CN104760536A (en) | Quick loading truck weight monitoring system | |
| CN113066297A (en) | Semi-trailer vehicle-mounted weighing system suitable for main and auxiliary leaf springs | |
| CN106768212B (en) | Vehicle overload detection and information transmission device | |
| CN202885935U (en) | Device for testing running axle load of passenger car | |
| CN211553027U (en) | Vehicle weighing device and vehicle | |
| CN206446396U (en) | A kind of AIRMATIC Dual Control and the Onboard weighing device based on the system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200911 |