CN104501929A

CN104501929A - Vehicle strain weighing system

Info

Publication number: CN104501929A
Application number: CN201410697851.6A
Authority: CN
Inventors: 贺志峰; 邵云峰; 云晖; 袁德才; 赵江伟
Original assignee: State Grid Corp of China SGCC; Luliang Power Supply Co of State Grid Shanxi Electric Power Co Ltd
Current assignee: State Grid Corp of China SGCC; Luliang Power Supply Co of State Grid Shanxi Electric Power Co Ltd
Priority date: 2014-11-28
Filing date: 2014-11-28
Publication date: 2015-04-08
Anticipated expiration: 2034-11-28
Also published as: CN104501929B

Abstract

The invention belongs to the technical field of vehicle weighing, and discloses a vehicle strain weighing system, for solving the technical problem of providing a strain weighing system which is quite high in weighing precision and quite high in reliability. The technical scheme employed by the invention is as follows: the vehicle strain weighing system comprises a weighing bench, a vehicle detection module, a control module, an equipment monitoring alarm module, a communication module, a management bench and an onsite display module. The control module comprises an A/D converter and a data processing module. The vehicle detection module and the equipment monitoring alarm module are both connected with the weighing bench, the control module is connected with the vehicle detection module, the communication module, the management bench and the onsite display module, and the management bench is also connected with the equipment monitoring alarm module. The vehicle strain weighing system is applied to the field of road traffic management.

Description

Vehicle strain weighing system

Technical field

Vehicle strain weighing system of the present invention, belongs to the technical field of vehicle weighing.

Background technology

At present, highway freight overload of vehicle overload transport, illegal current, seriously jeopardize traffic safety, not only cause traffic jam, environmental pollution, and the Bridge Foundation that satisfies the need, traffic safety facilities cause large-area damage, seriously govern the development of transportation, run to national economy and bring heavy losses; Therefore, continue to carry out overload inspection to haulage vehicle.

The overload of vehicle is detected, at present normal employing: static weighing or dynamic weighing two kinds of technical ways; Static weighing is on road, arrange overload inspection post, utilizes weighing-appliance to detect vehicle, disposes for weighing results, the method complex disposal process, and check that workload is large, the supervision time is long, easily causes road traffic congestion phenomenon; Dynamic weighing does not need to set up special overload inspection post, do not need vehicle to stop, and can realize weighing to vehicle, but the wiring of the method equipment is many, installation is complicated, compared with static weighing, and weighing-appliance is easily by electromagnetic interference (EMI), and error is large, degree of accuracy is low; Therefore, the road weighing system that a kind of reliability is high, accurately high seems particularly important.

Summary of the invention

The present invention overcomes the deficiency that prior art exists, technical matters to be solved for provide a kind of degree of accuracy of weighing higher, strain weighing system that reliability is higher.

In order to solve the problems of the technologies described above, the technical solution used in the present invention is:

Vehicle strain weighing system, comprises weighing unit, vehicle detection module, control module, monitoring of equipment alarm module, communication module, turnkey console, on-the-spot display module; Described control module comprises A/D converter, data processing module; Described vehicle detection module, monitoring of equipment alarm module are all connected with weighing unit, and described control module is all connected with turnkey console, on-the-spot display module with described vehicle detection module, communication module, and described turnkey console is also connected with described monitoring of equipment alarm module.

Described vehicle detection module comprises: for vehicle model is analyzed camera, for vehicle is carried out float detect floating identification module, for carrying out the acceleration transducer of at the uniform velocity state-detection, the multiple LOAD CELLS for weighing to vehicle to vehicle, described floating identification module, acceleration transducer, LOAD CELLS are all connected with described A/D converter, described A/D converter is also connected with data processing module, and described camera is connected with described turnkey console; Described monitoring of equipment alarm module comprises: for weighing unit is carried out temperature monitoring temperature sensor, for carrying out the cigarette propagated sensation sensor of smoke density monitoring and the environmental parameter detection module for carrying out Real-Time Monitoring to temperature and smoke density to weighing unit, described temperature sensor is all connected with the input end of described environment monitoring module with cigarette propagated sensation sensor, and the output terminal of described environmental parameter detection module is also connected with turnkey console.

Described LOAD CELLS comprises main LOAD CELLS and from LOAD CELLS, described LOAD CELLS is piezoelectric transducer; Described monitoring of equipment alarm module comprises alarm, and described alarm is connected with environmental parameter detection module; Described weighing unit is U-shaped steel electronic loadometer; Described environmental parameter detection module is W925E240 chip; Described control module is low-power consumption, high performance 8 single-chip microcomputers.

The present invention compared with prior art has following beneficial effect:

Vehicle strain weighing system in the present invention, comprises weighing unit, vehicle detection module, control module, monitoring of equipment alarm module, communication module and turnkey console; When vehicle drives through weighing unit, the movable information of vehicle monitoring module Real-time Collection vehicle, and be transferred to the A/D converter of control module, digital signal after conversion is sent to data processing module by A/D converter, after data processing module is analyzed the vehicle motion data gathered, transmission weighs order to vehicle detection module, carries out the Weight acquisition of vehicle; Data processing module adopts the embedded data disposal system based on ARM, noise reduction process can be carried out to measurement data, improve the antijamming capability of system, system data processing accuracy is high, response is fast, detection time is short, vehicle weight accurately can be obtained without the need to stopping, ensure that the unobstructed of road; The monitoring of equipment alarm module of the present invention by being provided with, environmental data detection can be carried out to weighing-appliance, and real-time with monitoring of equipment alarm module in the secure threshold preset compare, warning message is sent when being greater than secure threshold, and be transferred to turnkey console, remind staff to carry out overhaul of the equipments and maintenance, ensure the reliability service of system really.

Accompanying drawing explanation

Below in conjunction with accompanying drawing, the present invention will be further described in detail:

Fig. 1 is structural representation of the present invention;

Fig. 2 is the present embodiment weighing process process flow diagram;

In figure: 1 is weighing unit, 2 is vehicle detection module, and 3 is control module, 4 is monitoring of equipment alarm module, and 5 is communication module, and 6 is turnkey console, 7 is camera, and 8 is the identification module that floats, and 9 is acceleration transducer, 10 is LOAD CELLS, and 11 is A/D converter, and 12 is data processing module, 13 is temperature sensor, and 14 is cigarette propagated sensation sensor, and 15 is environment monitoring module, 16 is alarm, and 17 is on-the-spot display module.

Embodiment

As shown in Figure 1, vehicle strain weighing system comprise: weighing unit 1, vehicle detection module 2, control module 3, monitoring of equipment alarm module 4, communication module 5, turnkey console 6; Described vehicle detection module 2, monitoring of equipment alarm module 4 are all connected with weighing unit 1, and described control module 3 is all connected with turnkey console 6 with described vehicle detection module 2 communication module 5, and described turnkey console 6 is also connected with described monitoring of equipment alarm module 4; Described control module 3 is low-power consumption, high performance 8 single-chip microcomputers, can be AT89C51 single-chip microcomputer or AT89C52 single-chip microcomputer;

Described control module 4 comprises A/D converter 11, data processing module 12; Described vehicle detection module 2 comprises: for vehicle model is analyzed camera 7, for vehicle is carried out float detect floating identification module 8, for carrying out the acceleration transducer 9 of at the uniform velocity state-detection, the multiple LOAD CELLS 10 for weighing to vehicle to vehicle, described floating identification module 8, acceleration transducer 9, LOAD CELLS 10 are all connected with described A/D converter 11, described A/D converter 11 is also connected with data processing module 12, described camera 7 is connected with described turnkey console 6, and described LOAD CELLS 10 is piezoelectric transducer.

In the present embodiment, for improving the precision measured, the weighing unit 1 selected is U-shaped steel electronic loadometer, select 12 LOAD CELLS 10, the bottom of described weighing unit 1 is deployed in respectively by primary and secondary, 12 LOAD CELLS 10 are divided into main LOAD CELLS by function and from LOAD CELLS, for detecting the vehicle of Different Weight level; Particularly, when vehicle is through weighing unit 1, the image information of camera 7 collection vehicle, and by this information transmission to turnkey console 6, turnkey console 6 analyzes the number of axle, model, the payload ratings information of vehicle, judge whether that needs are enabled from LOAD CELLS, and preliminary judged result is transferred to data processing module 12;

Particularly, along with the traveling of vehicle, floating identification module 8 and acceleration transducer 9 send the state of motion of vehicle collected to A/ D converter 11, and are transferred to data processing module 12 further, and data processing module 12 pairs of vehicle running states judge, when data processing module 12 judge vehicle float exceed preset value or non-at the uniform velocity travel time, data processing module 12 sends the order of Resurvey state of motion of vehicle to floating identification module 8 and acceleration transducer 9, and the order of Resurvey travel condition of vehicle is that 5s interval sends once, when data processing module 12 judges that vehicle floats normally and at the uniform velocity travels, the LOAD CELLS 10 sent according to turnkey console 6 select information, assign order of weighing to LOAD CELLS 10, LOAD CELLS 10 pairs of vehicle load informations, if when the weight of tested vehicle exceedes the scope of weighing of main LOAD CELLS, start working from LOAD CELLS, weigh after terminating, weighing results is sent to A/ D converter 11 by LOAD CELLS 10, and be transferred to data processing module 12 further, after data processing module 12 pairs of data process, weighing results is sent to on-the-spot display module 17 and turnkey console 6, when weighing results is for overload, information of vehicles and loaded information are issued relevant staff by communication module 5 simultaneously.

Further, run for ensureing that the safety of checkout equipment is normal, ensure the degree of accuracy detecting data, described monitoring of equipment alarm module 4 comprises: for carrying out the temperature sensor 13 of temperature monitoring to weighing unit 1, for carrying out the cigarette propagated sensation sensor 14 of smoke density monitoring to weighing unit 1, for carrying out the environmental parameter detection module 15 of Real-Time Monitoring to temperature and smoke density, alarm 16, described environmental parameter detection module 14 adopts W925E240, described temperature sensor 13 is all connected with the input end of described environment monitoring module 15 with cigarette propagated sensation sensor 14, and be distributed in LOAD CELLS 10 around, the temperature of real-time monitoring weighing unit 1 and smoke density, and temperature and smokescope data are transferred on environmental parameter detection module 15, the secure threshold of the data recorded and setting contrasts by environmental parameter detection module 15, if be greater than secure threshold, alarm 15 then by being connected with environmental parameter detection module 15 is reported to the police, notify that staff carries out the maintenance of equipment in time, the output terminal of described environment monitoring module 15 is also connected with turnkey console 6, all kinds of detection data are carried out to backup and the storage of data.

Vehicle strain weighing system in the present invention, utilize vehicle detection module, control module can realize the accurate measurement of vehicle load information in road driving, detected by the reliability of monitoring of equipment alarm module Real-Time Monitoring operational outfit, solve traditional weighing system to weigh the problem that the time is long, weighing precision is low, equipment precision affected by environment is low so that can not satisfy the demands completely, there is outstanding substantive distinguishing features and significant progressive; By reference to the accompanying drawings embodiments of the invention are explained in detail above, but the present invention is not limited to above-described embodiment, in the ken that those of ordinary skill in the art possess, various change can also be made under the prerequisite not departing from present inventive concept.

Claims

1. vehicle strain weighing system, comprise weighing unit (1), it is characterized in that: this system also comprises: vehicle detection module (2), control module (3), monitoring of equipment alarm module (4), communication module (5), turnkey console (6), on-the-spot display module (17); Described control module (4) comprises A/D converter (11), data processing module (12); Described vehicle detection module (2), monitoring of equipment alarm module (4) are all connected with weighing unit (1), described control module (3) is all connected with turnkey console (6), on-the-spot display module (17) with described vehicle detection module (2), communication module (5), and described turnkey console (6) is also connected with described monitoring of equipment alarm module (4).

2. vehicle strain weighing system according to claim 1, it is characterized in that: described vehicle detection module (2) comprising: for the camera (7) analyzed vehicle model, for carrying out the floating identification module (8) detected that floats to vehicle, for carrying out the acceleration transducer (9) of at the uniform velocity state-detection to vehicle, for multiple LOAD CELLS (10) of weighing to vehicle, described floating identification module (8), acceleration transducer (9), LOAD CELLS (10) is all connected with described A/D converter (11), described A/D converter (11) is also connected with data processing module (12), described camera (7) is connected with described turnkey console (6).

3. vehicle strain weighing system according to claim 1, it is characterized in that: described monitoring of equipment alarm module (4) comprising: for carrying out the temperature sensor (13) of temperature monitoring to weighing unit (1), for carrying out the cigarette propagated sensation sensor (14) of smoke density monitoring and the environmental parameter detection module (15) for carrying out Real-Time Monitoring to temperature and smoke density to weighing unit (1), described temperature sensor (13) is all connected with the input end of described environment monitoring module (15) with cigarette propagated sensation sensor (14), the output terminal of described environmental parameter detection module (15) is also connected with turnkey console (6).

4. vehicle strain weighing system according to claim 2, is characterized in that: described LOAD CELLS (10) comprises main LOAD CELLS and from LOAD CELLS, described LOAD CELLS (10) is piezoelectric transducer.

5. vehicle strain weighing system according to claim 3, is characterized in that: described monitoring of equipment alarm module (4) also comprises alarm (16), and described alarm (16) is connected with environmental parameter detection module (15).

6. vehicle strain weighing system according to claim 1, is characterized in that: described weighing unit (1) is U-shaped steel electronic loadometer.

7. vehicle strain weighing system according to claim 2, is characterized in that: described environmental parameter detection module (14) is W925E240 chip.

8. vehicle strain weighing system according to claim 1, is characterized in that: described control module (3) is low-power consumption, high performance 8 single-chip microcomputers.