CN104764512A - Detective vehicle-mounted weighing system and installing technology thereof based on I-shaped weighing sensor - Google Patents
Detective vehicle-mounted weighing system and installing technology thereof based on I-shaped weighing sensor Download PDFInfo
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Abstract
The invention discloses a detective vehicle-mounted weighing system and an installing technology thereof based on an I-shaped weighing sensor. The I-shaped weighing sensor is connected with an integrated data processing terminal. The integrated data processing terminal is in a wireless connection with a Beidou or GPS remote terminal through Beidou or GPS, and the Beidou or GPS remote terminal is connected with a monitoring platform. The installing technology includes the steps that 1 the I-shaped weighing sensor is manufactured; 2 polishing is conducted; 3 spot welding is conducted; 4 sealing gluing is conducted; 5 connecting is conducted; 6 fixing is conducted; 7 accomplishment is conducted. The system has the advantages that a vehicle structure is not changed, traffic safety is not affected, and the structure is simple and practical. Fusion of an internet of things and an internet of vehicles is achieved through the Beidou or GPS. The installing method has the advantages that batch of vehicle loading is easy to control, the bonding durability and weather resistance are good, and the problem of installing and signal line transmission signal reliability of the vehicle-mounted weighing system based on the I-shaped weighing sensor is solved.
Description
Technical field
The present invention relates to the weighing apparatus being applicable to specific purpose with electrical weight-sensitive device, relate to the servicing unit of weighing apparatus, particularly relate to a kind of vehicle-mounted weighing system based on the detection of I shape LOAD CELLS and mounting process thereof.
Background technology
The monitoring management of vehicle reaches a certain scale.In the supervision of vehicle, higher requirement be it is also proposed to technology, the development of Big Dipper technology, further promoted the development of Internet of Things car networked terminals technology.As the basis of car networking, the early warning monitoring for common shipping road vehicle transportation is particularly important.Vehicle monitoring safety factor is mainly concerned with overload, ultra-wide, superelevation and fatigue driving.
Within 2010, Chinese invention patent CN101819058A discloses a kind of self-service vehicle load real-time monitoring device, propose the vehicle-mounted alarm system utilizing GPS/GPRS resource, the patent proposes load detection solution and need settle 4 ~ No. 12 standard wheels and spoke LOAD CELLS schemes on vehicle frame.Need vehicle frame be taken apart during installation, and also raise the center of gravity of car for sizing vehicle.This system can not provide load concrete numerical value, and do not set up special early warning monitoring center and monitor, data can not be preserved at server.
For detecting vehicle load, Chinese invention patent CN202264695U discloses a kind of LOAD CELLS system based on the distortion of inspection vehicle axle housing type, and this size sensor is large, very large for later stage installation difficulty, is not easy to the later stage install additional, and sensor is arranged on neutral surface.Detect that axle shell deflection is very little.Can not the weight of the actual loading of real time reaction vehicle.In this sensor installation process, directly welding pedestal utilizes screw thread to install additional, can not ensure the balance of sensor base.The I shape LOAD CELLS that the present invention announces is of a size of 36mm*20mm, and size is little.And mounting process be gluing or direct spot welding in vehicle bridge neutral surface top position.
The patent of invention of Chinese invention bulletin 202119517U in 2012 discloses one and utilizes gear drive and electronic weighing system.Spring fitting is on steel plate, and in the program, because leaf spring system is when after overload of vehicle, the recovery of leaf spring is bad, and when being in vehicle and appraising and deciding in load, leaf spring is linearly better, when being under overload condition, and linear extreme difference.Therefore precision is not high.And the universal difficulty of installing for general lorry is very large, is inconvenient to install.
Within 2012, Chinese invention bulletin 201210524193.1 discloses a kind of beam sensor based on strain.In the program, the installation of sensor is installed mainly through electric welding and mucilage binding mode.And it is higher to technological requirement in installation process.In general lorry, beam sensor volume is comparatively large, and the axial plane of a lot of car can not install this sensor additional.
The mounting process of the onboard sensor based on strain of prior art is as follows: first detect sensor, polishing afterwards and cleaning vehicle needs to install the surface at strainometer position, and at the bonding strainometer of this surface coating water, exert pressure after the levelling of direction; With carrying out hot blast solidification after exerting pressure, the solder joint welding lead after solidification on the foil gauge of correspondence; Then integral sealing is done to foil gauge and wire bonds part and play glue process; Finally carry out hot blast solidification again, after solidification, detect no problem and installation.But there is following shortcoming in this mounting means: direct some glue laminating between foil gauge and parts is not easy when batch entrucking to control, and bonding permanance and weatherability also exist larger hidden danger and risk.
Summary of the invention
For the shortcoming of prior art, the object of the present invention is to provide a kind of vehicle-mounted weighing system based on the detection of I shape LOAD CELLS and mounting process thereof.Do not change vehicle structure on the one hand, do not affect traffic safety, simple and practical.And carry out global positioning satellite by the Big Dipper/GPS, to location and the supervision such as accurate loadage and hypervelocity, ultra-wide, superelevation, fatigue driving of every table apparatus vehicles operation whole process, building database can implement integrated management to a large amount of vehicle, really realizes the large fusion of Internet of Things car networking.
Make on the other hand that batch entrucking easily controls, the mounting process of the vehicle-mounted weighing system detected based on I shape sensor of adhesion durability and good weatherability, install and the integrity problem of signal wire signal transmission to solve the vehicle-mounted weighing system detected based on I shape LOAD CELLS.
The technical solution adopted for the present invention to solve the technical problems is first: provide a kind of vehicle-mounted weighing system detected based on I shape LOAD CELLS, it is characterized in that:
Comprise I shape LOAD CELLS, aggregation of data processing terminal, the Big Dipper/GPS remote terminal and monitor supervision platform, I shape LOAD CELLS is connected with aggregation of data processing terminal, aggregation of data processing terminal is by the Big Dipper/GPS and the Big Dipper/GPS remote terminal wireless connections, the Big Dipper/GPS remote terminal is connected with monitor supervision platform
4-12 I shape LOAD CELLS is fixed on vehicle frame diverse location, described I shape LOAD CELLS comprises strainometer, I shape elastic body and signal cable, strainometer is loaded on I shape elastic body and is connected with signal cable, and the signal cable of each strainometer is connected with the A/D modular converter input end of aggregation of data processing terminal respectively;
Described aggregation of data processing terminal comprises CPU module, wireless transmission/reception module, A/D modular converter and human-computer interaction module, described CPU module is electrically connected with wireless transmission/reception module, A/D modular converter output terminal and human-computer interaction module, A/D modular converter input end is connected with the signal cable of each strainometer, described human-computer interaction module comprises input media and display device and remote control terminal, described wireless transmission/reception module and the Big Dipper/GPS wireless connections.
Described I shape elastic body is the elastic sheet of I shape, plate face has silk-screen grid, and interior corner adopts transition arc transition.
Weight sensor is according to vehicle chassis structure size, installation site is determined through mechanical analysis and experiment, can spot welding mode, directly I shape LOAD CELLS is welded on vehicle frame, in order to inspection vehicle cargo weight, export and be connected with aggregation of data processing terminal via bus cable or wireless transmission/reception.
Vehicle-mounted data integrated processing terminal process input signal, carry out overall treatment, obtain the real-time loading gross weight of goods stock, be connected with the supporting Big Dipper/GPS is wireless by RS232/RS485 serial ports, communication protocol can take JT/T809-2011, remote upgrade can be carried out via agreement and can carry out resetting, the function such as peeling and have that zero-bit is followed the tracks of, digital anti-interference filtration and lock function, supply voltage is 9---36V.
The supporting vehicle-mounted Big Dipper/GPS device, through GSM global radio mobile communication and Surveillance center's terminal, merge Distribution GIS to locate in real time, display vehicle load and other additional informations, as license number, owner name, working qualification's card number, road speed, running time, institute's lade type, type of vehicle etc.Center processing can send various order to vehicle, realize the single-station event location to a large amount of vehicle, report, report to the police, realize the overload to road transport vehicle, hypervelocity, ultra-wide and fatigue driving and carry out early warning monitoring, early warning monitoring data upload is reached data sharing to provincial supervising platform, malicious sabotage detecting sensor, GPS also can be sent to law enforcement agency's source process automatically simultaneously.
The vehicle having installed vehicle-mounted weighing system can utilize background monitoring platform in conjunction with data server, can realize joining goods, Third-party payment clearing and vehicle maintenance maintenance and merge.After having installed vehicle-mounted weighing system, driver can go out and just can realize joining goods clearing, and all flow processs are all in platform operations.Driver can find the nearest source of goods by searching platform.Platform can carry out the trusteeship services such as third party guarantees for driver and enterprise simultaneously.
The beneficial effect of native system is: do not change vehicle structure, does not affect traffic safety, simple and practical.By the Big Dipper/GPS global positioning satellite, to location and the supervision such as accurate loadage and hypervelocity, ultra-wide, superelevation, fatigue driving of every table apparatus vehicles operation whole process, building database can implement integrated management to a large amount of vehicle, realizes the large fusion of Internet of Things car networking.
The technical scheme that the present invention solves its another technical matters employing is: provide a kind of vehicle-mounted weighing system mounting process detected based on I shape LOAD CELLS, relate to I shape LOAD CELLS, aggregation of data processing terminal and the Big Dipper/GPS, 4-12 I shape LOAD CELLS is fixed on vehicle frame diverse location, described I shape LOAD CELLS comprises strainometer, I shape elastic body and signal cable, described aggregation of data processing terminal comprises A/D modular converter, it is characterized in that comprising the steps:
One, make I shape LOAD CELLS, I shape elastomeric face is provided with strainometer adhesion zone and printing points:
A. strainometer is detected, guarantee that strainometer is normal;
B. I shape elastomeric face is cleaned, ensure strainometer adhesion zone and printing points clean;
C. uniform gluing on I shape elastic body adhesion zone, and vibration-absorptive material is pasted onto strainometer adhesion zone, then strainometer is pasted onto on vibration-absorptive material and this strainometer is exerted pressure simultaneously, add afterwards. heat curing;
D. go between solder terminal again on strainometer, at terminal place welding signal cable, completes I shape LOAD CELLS and make;
Two, polished in the I shape LOAD CELLS installation region on vehicle, make it to form smooth surface of contact;
Three, I shape elastic body is positioned over above-mentioned surface of contact, and the printing points of I shape elastomeric face is welded on this surface of contact;
Four, spot welding does overall sealing to I shape LOAD CELLS after completing, then adds containment envelope and carry out integral protection;
Five, every for signal cable 30CM line card is fixed on former trolley wire road, avoids moving part and heating position, signal cable one end is connected strainometer, the A/D modular converter of an other termination aggregation of data processing terminal;
Six, aggregation of data processing terminal and the Big Dipper/GPS are fixed on vehicle auxiliary steering position;
Seven, installation is completed.
Further:
Aggregation of data processing terminal can be fixed on empty position after car copilot storage tank by self-tapping screw, and the Big Dipper/GPS can be fixed on position, space under goods stock case for radio.
Described I shape elastic body can be corrosion resistant plate, is of a size of 32*20mm, and thickness is 0.1 ~ 1mm.
Can to run business into particular one wire drawing process to the front of described corrosion resistant plate, the back side can not process, and in positive face sensor adhesion zone and solder joint district.
Compared with prior art, the I shape sensor mounting process provided, can be good at operation in the space that axletree is narrow in the present invention, and can be good at the deformation detecting axial plane, thus realizes weighing in real time to the load condition of vehicle.The present invention by increasing vibration-absorptive material between strainometer and elastic body, and the deformation of I shape sensor is consistent with axletree deformation, greatly facilitates batch entrucking, achieve the simple and easy control of batch entrucking, and the degree of reliability of spot-welding technology is very high.
The fixed form advantage of the signal wire that the present invention mentions is that line card can be good at original to signal wire and car wire harness to remain on consistent.Thus ensure that signal wire is not by outside destroy, and the tension of signal wire and anti-vibration effect and weather resistance are well ensured.
The beneficial effect of this installation method is: make that batch entrucking easily controls, adhesion durability and good weatherability, solves the vehicle-mounted weighing system detected based on I shape LOAD CELLS and installs and the integrity problem of signal wire signal transmission.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described.
Fig. 1 is the system block diagram of structure of the present invention.
Fig. 2 is the structural representation of I shape LOAD CELLS 1 of the present invention.
Fig. 3 is the position view that I shape LOAD CELLS 1 is installed on axletree 2.
Fig. 4 is the structural representation of I shape LOAD CELLS 1 elastomer 12.
Fig. 5 is the installation site schematic diagram that the present invention is based on the vehicle-mounted weighing system that I shape LOAD CELLS detects;
Fig. 6 is the position view of the present invention for erector's font LOAD CELLS;
Fig. 7 is the schematic diagram that signal cable of the present invention is installed.
In figure: 1 be I shape LOAD CELLS, 2 be axletree, 3 be aggregation of data processing terminal, 4 be the Big Dipper/GPS, 5 be the Big Dipper/GPS remote terminal, 6 be monitor supervision platform, 7 be vehicle frame, 71 be former trolley wire road, 8 be weld nugget, 9 be containment envelope, 10 for protective rubber.
In Fig. 3: O represents axletree axis.
In I shape LOAD CELLS 1: 11 be strainometer, 12 be I shape elastic body, 13 for signal cable;
In aggregation of data processing terminal 3: 31 be CPU module, 32 be wireless transmission/reception module, 33 be A/D modular converter, 34 for human-computer interaction module.
In I shape elastic body 12: 121 is that transition arc, 122 is for silk-screen grid.
Embodiment
See accompanying drawing 1-4, a kind of vehicle-mounted weighing system detected based on I shape LOAD CELLS of the present invention, is characterized in that:
Comprise I shape LOAD CELLS 1, aggregation of data processing terminal 3, the Big Dipper/GPS remote terminal and monitor supervision platform, I shape LOAD CELLS 1 is connected with aggregation of data processing terminal 3, aggregation of data processing terminal 3 is by the Big Dipper/GPS 4 and the Big Dipper/GPS remote terminal 5 wireless connections, the Big Dipper/GPS remote terminal 5 is connected with monitor supervision platform 6
4-12 I shape LOAD CELLS 1 is fixed on vehicle frame diverse location, described I shape LOAD CELLS 1 comprises strainometer 11, I shape elastic body 12 and signal cable 13, strainometer 11 is loaded on I shape elastic body 12 and is connected with signal cable 13, and the signal cable 13 of each strainometer 11 is connected with A/D modular converter 33 input end of aggregation of data processing terminal 3 respectively;
Described aggregation of data processing terminal comprises CPU module 31, wireless transmission/reception module 32, A/D modular converter 33 and human-computer interaction module 34, described CPU module 31 is electrically connected with wireless transmission/reception module 32, A/D modular converter 33 output terminal and human-computer interaction module 34, A/D modular converter 33 input end is connected with the signal cable 13 of each strainometer 11, described human-computer interaction module 34 comprises input media 341 and shows and warning device 342, described wireless transmission/reception module 32 and the Big Dipper/GPS 4 wireless connections.
In an embodiment of the present invention: described I shape elastic body 12 is elastic sheets of I shape, plate face has silk-screen grid 122, interior corner adopts transition arc 121 transition.
In an embodiment of the present invention: I shape LOAD CELLS 1 is arranged on axle for vehicle trailing flank neutral surface bottom, this collection position lateral pressure and pulling force all very little, I shape elastic body 12 thickness of I shape LOAD CELLS 1 is 0.1-0.5mm.Sensor can be good at detecting that vehicle is subject to the deformation in solid axle face, and mounting process is spot-welding technology, and what can be good at ensureing sensor and axletree face has effective adhesive.There is cushioning material between I shape elastic body 12 and strainometer 11, can be good at the vibrations absorbing vehicle.Vibration-absorptive material thickness is 0.04mm-0.06mm.
See accompanying drawing 5-7, a kind of vehicle-mounted weighing system mounting process detected based on I shape LOAD CELLS of the present invention, relate to I shape LOAD CELLS 1, aggregation of data processing terminal 3 and the Big Dipper/GPS 4,4-12 I shape LOAD CELLS 1 is fixed on the diverse location of vehicle frame 7, described I shape LOAD CELLS 1 includes strainometer 11, I shape elastic body 12 and signal cable 13, described aggregation of data processing terminal 3 comprises A/D modular converter 33, it is characterized in that comprising the steps:
One, make I shape LOAD CELLS 1, I shape elastic body 12 front is provided with strainometer 11 adhesion zone and printing points:
A. strainometer 11 is detected, guarantee that strainometer is normal;
B. I shape elastic body 12 front is cleaned, ensure strainometer 11 adhesion zone and printing points clean;
C. uniform gluing on I shape elastic body 12 adhesion zone, and vibration-absorptive material is pasted onto strainometer 11 adhesion zone, then strainometer 11 is pasted onto on vibration-absorptive material and this strainometer 11 is exerted pressure simultaneously, be heating and curing afterwards;
D. go between solder terminal again on strainometer 11, at terminal place welding signal cable 13, completes I shape LOAD CELLS 1 and make;
Two, polished in I shape LOAD CELLS 1 installation region on vehicle, make it to form smooth surface of contact;
Three, I shape elastic body 12 is positioned over above-mentioned surface of contact, and the printing points in I shape elastic body 12 front is welded on this surface of contact;
Four, spot welding does overall sealing to I shape LOAD CELLS 1 after completing, then adds containment envelope 9 and carry out integral protection;
Five, every for signal cable 13 30CM line card 14 is fixed on former trolley wire road 71, avoids moving part and heating position, signal cable 13 one end is connected strainometer 11, the A/D modular converter of an other termination aggregation of data processing terminal 3;
Six, aggregation of data processing terminal 3 and the Big Dipper/GPS are fixed on vehicle auxiliary steering position;
Seven, installation is completed.
In an embodiment of the present invention, described aggregation of data processing terminal 3 is fixed on empty position after car copilot storage tank by self-tapping screw, and the Big Dipper/GPS is fixed on position, space under goods stock case for radio.
In an embodiment of the present invention, after described spot welding completes, be nested with containment envelope 9 in I shape LOAD CELLS 1 outside, and overall sealing is done to this containment envelope 9, then carry out hot blast solidification.
Claims (7)
1. the vehicle-mounted weighing system detected based on I shape LOAD CELLS, it is characterized in that: comprise I shape LOAD CELLS, aggregation of data processing terminal, the Big Dipper/GPS remote terminal and monitor supervision platform, I shape LOAD CELLS is connected with aggregation of data processing terminal, aggregation of data processing terminal is by the Big Dipper/GPS and the Big Dipper/GPS remote terminal wireless connections, the Big Dipper/GPS remote terminal is connected with monitor supervision platform
4-12 I shape LOAD CELLS is fixed on vehicle frame diverse location, described I shape LOAD CELLS comprises strainometer, I shape elastic body and signal cable, strainometer is loaded on I shape elastic body and is connected with signal cable, and the signal cable of each strainometer is connected with the A/D modular converter input end of aggregation of data processing terminal respectively;
Described aggregation of data processing terminal comprises CPU module, wireless transmission/reception module, A/D modular converter and human-computer interaction module, described CPU module is electrically connected with wireless transmission/reception module, A/D modular converter output terminal and human-computer interaction module, A/D modular converter input end is connected with the signal cable of each strainometer, described human-computer interaction module comprises input media and display device and remote control terminal, described wireless transmission/reception module and the Big Dipper/GPS wireless connections.
2. the vehicle-mounted weighing system detected based on I shape LOAD CELLS according to claim 1, is characterized in that: described I shape elastic body is the elastic sheet of I shape, plate face has silk-screen grid, and interior corner adopts transition arc transition.
3. the vehicle-mounted weighing system detected based on I shape LOAD CELLS according to claim 2, is characterized in that: described I shape elastomer thickness is 0.1-0.5mm.
4. the vehicle-mounted weighing system detected based on I shape LOAD CELLS according to claim 1, it is characterized in that: have cushioning material between I shape elastic body and strainometer, vibration-absorptive material thickness is 0.04mm-0.06mm.
5. the vehicle-mounted weighing system mounting process detected based on I shape LOAD CELLS, relate to I shape LOAD CELLS, aggregation of data processing terminal and the Big Dipper/GPS, 4-12 I shape LOAD CELLS is fixed on vehicle frame diverse location, described I shape LOAD CELLS comprises strainometer, I shape elastic body and signal cable, described aggregation of data processing terminal comprises A/D modular converter, it is characterized in that comprising the steps:
One, make I shape LOAD CELLS, I shape elastomeric face is provided with strainometer adhesion zone and printing points:
A. strainometer is detected, guarantee that strainometer is normal;
B. I shape elastomeric face is cleaned, ensure strainometer adhesion zone and printing points clean;
C. uniform gluing on I shape elastic body adhesion zone, and vibration-absorptive material is pasted onto strainometer adhesion zone, then strainometer is pasted onto on vibration-absorptive material and this strainometer is exerted pressure simultaneously, add afterwards. heat curing;
D. go between solder terminal again on strainometer, at terminal place welding signal cable, completes I shape LOAD CELLS and make;
Two, polished in the I shape LOAD CELLS installation region on vehicle, make it to form smooth surface of contact;
Three, I shape elastic body is positioned over above-mentioned surface of contact, and the printing points of I shape elastomeric face is welded on this surface of contact;
Four, spot welding does overall sealing to I shape LOAD CELLS after completing, then adds containment envelope and carry out integral protection;
Five, every for signal cable 30CM line card is fixed on former trolley wire road, avoids moving part and heating position, signal cable one end is connected strainometer, the A/D modular converter of an other termination aggregation of data processing terminal;
Six, aggregation of data processing terminal and the Big Dipper/GPS are fixed on vehicle auxiliary steering position;
Seven, installation is completed.
6. as claimed in claim 5 based on the vehicle-mounted weighing system mounting process that I shape LOAD CELLS detects, it is characterized in that: aggregation of data processing terminal is fixed on empty position after car copilot storage tank by self-tapping screw, the Big Dipper/GPS is fixed on position, space under goods stock case for radio.
7. as claimed in claim 5 based on the vehicle-mounted weighing system mounting process that I shape LOAD CELLS detects, it is characterized in that: after spot welding completes, be nested with containment envelope in I shape LOAD CELLS outside, overall sealing is done to this containment envelope, then carries out hot blast solidification.
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| CN201510156734.3A CN104764512A (en) | 2015-04-03 | 2015-04-03 | Detective vehicle-mounted weighing system and installing technology thereof based on I-shaped weighing sensor |
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| CN106027660A (en) * | 2016-06-14 | 2016-10-12 | 安徽我要遛遛信息技术有限公司 | Car sharing service system |
| CN108225513A (en) * | 2017-11-30 | 2018-06-29 | 西安航天三沃机电设备有限公司 | A kind of vehicle-mounted weighing system of goods train and weight calculation method |
| CN108303169A (en) * | 2017-11-27 | 2018-07-20 | 西安航天三沃机电设备有限公司 | A kind of vehicle-mounted weighing method measuring goods train based on bolster |
| CN110455385A (en) * | 2019-07-17 | 2019-11-15 | 淮安纳微传感器有限公司 | A kind of vehicle-mounted leaf spring weighing sensor |
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| CN204461583U (en) * | 2015-04-03 | 2015-07-08 | 湖南三逗科技有限公司 | Based on the vehicle-mounted weighing system that I shape LOAD CELLS detects |
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Application publication date: 20150708 |