CN202159367U

CN202159367U - Trailer identity automatic recognition device of drop-and-pull transport vehicle

Info

Publication number: CN202159367U
Application number: CN2011202989922U
Authority: CN
Inventors: 周炜; 董轩; 李文亮
Original assignee: Research Institute of Highway Ministry of Transport
Current assignee: Research Institute of Highway Ministry of Transport
Priority date: 2011-08-17
Filing date: 2011-08-17
Publication date: 2012-03-07
Anticipated expiration: 2021-08-17

Abstract

The utility model relates to a trailer identity automatic recognition device of a drop-and-pull transport vehicle, which belongs to the field of vehicle safety monitoring and is characterized by comprising a vehicle-mounted terminal arranged on a tractor and an electronic label arranged on a trailer. The vehicle-mounted terminal comprises a global positioning module, a wireless communication module, an electronic label reading module, a standard deviation (SD) card storage module and a central processing unit including a microcontroller. The central processing unit controls the global positioning module, the wireless communication module, the electronic label reading module, and the SD card storage module. The electronic label comprises a power supply generating circuit, a detection circuit, an amplitude shift keying (ASK) reverse diffusing circuit, a resistance-capacitance (RC) low-pass filter circuit, an inductor-capacitor (LC) low-pass filter circuit and a processing module. The trailer identity automatic recognition device can automatically read identity information of the trailer during a vehicle transport process and uploads the information to a remote monitoring centre.

Description

A kind of getting rid of hung haulage vehicle trailer identity automatic identification equipment

Technical field

The utility model belongs to the vehicle safety monitoring field, is specifically related to get rid of the dynamic monitoring technology of hanging haulage vehicle, discloses a kind of getting rid of in the utility model and has hung haulage vehicle trailer identity automatic identification equipment.

Background technology

Get rid of the extension transportation and be meant that the vehicle traction car according to predetermined operational plan, gets rid of the trailer that is dragged down at the cargo handling operation point, change the transportation organizational form that other trailers continuation move.Tractor does not receive area, enterprise, the different restriction of number plate with the combination of trailer.Compare with traditional means of transportation, get rid of the extension cargo carrier and have a clear superiority in: the one, reduce the loading and unloading stand-by period, quicken the tractor turnover, raising conevying efficiency and labour productivity; The 2nd, reduce the vehicle sky and sail and invalid transportation, cut down the consumption of energy and toxic emission; The 3rd, save the Storage of Goods facility, make things convenient for the owner of cargo, reduce by five, sixty percent cost; The 4th, be convenient to organize the water route to roll multimodal transports such as shipment is defeated, the bow-backed transportation of railway, promote the development of comprehensive transportation.Get rid of and hang the new pursuit that transportation has become means of transportation, the development automobile gets rid of hangs transportation, for reducing logistics cost, promotes modern logistics and comprehensive transportation development, promotes energy-saving and emission-reduction, promotes the economical operation total quality, significant.

Simultaneously, in recent years, national the departments concerned is paid close attention to road transport vehicle remote security control, and file publishing requires especially hazardous materials transportation vehicle installation global position system of road transport vehicle successively, carries out intelligent management.General Office of the State Council's issue on July 23rd, 2010 " State Council is about the notice of further reinforcement enterprise security production work " (No. (2010) 23, promulgated by the State Council); The road special-purpose vehicle of peril of transportation chemicals, fireworks and firecrackers, civil detonation article is clearly proposed in the 3rd " building solid technical guarantee system " in the notice; Tourism hired car and the class's line passenger vehicle more than three types will be installed and used the satellite positioning device with the writing function that goes, and within 2 years, all accomplish.

In the remote supervisory system of present commerial vehicle; Vehicle monitor terminal is installed in the pilothouse; In getting rid of the extension Transportation Model, do not possess the characteristic of trailer and the recognition function of identify label thereof; Lack the means of hanging haulage vehicle (promptly monitoring tractor and trailer simultaneously) of getting rid of in transit of supervision comprehensively, can not satisfy the requirement of getting rid of monitoring, scheduling and the management of hanging Transportation Model.

Summary of the invention

To the problems referred to above; The purpose of the utility model provides a kind ofly can hang the trailer identity automatic identification equipment that haulage vehicle carries out dynamic monitoring to getting rid of; It can gather and handle getting rid of speed, position, trailer identity and the characteristic information of hanging haulage vehicle; And be uploaded to remote monitoring center, thereby realize the comprehensive supervision of hanging haulage vehicle of getting rid of in transit.

For achieving the above object; The utility model has been taked following technical scheme: a kind of getting rid of hung haulage vehicle trailer identity automatic identification equipment; It is characterized in that: comprise being installed in the car-mounted terminal on the tractor and being installed in the electronic tag two parts on the trailer that said car-mounted terminal comprises global location module, wireless communication module, electronic tag read module, SD card memory module and controls their central processor unit that contains microprocessor; Comprise power generation circuit, detecting circuit, ASK backscattering circuit, RC low-pass filter circuit, LC low-pass filter circuit, processor module in the said electronic tag; Said power generation circuit receives the energy of said electronic tag read module emission; Said detecting circuit changes RF energy into direct supply; Activate the label internal circuit; Said RC low-pass filter circuit, LC low-pass filter circuit are regulated order and the data that said electronic tag read module is sent, and deliver to processor module, and processor module sends its data through ASK backscattering circuit to said electronic tag read module according to the instruction that receives.

Said electronic tag is the passive anti-metal electronic tag of 915M.

Said electronic tag is installed in the trailer front portion, and the electronic tag read module of said car-mounted terminal is installed in the tractor rear portion, over against electronic tag.

The utility model has had following technique effect owing to taked above technical scheme: this device comprises and is installed in the car-mounted terminal on the tractor and is installed in the electronic tag on the trailer.Car-mounted terminal comprises global location module, wireless communication module, electronic tag read module, SD card memory module and controls their central processor unit; The positional information of global location module report car; Central processor unit regularly sends to the electronic tag read module and reads instruction; Read module reads to return behind the trailer identity data in the trailer electronic tag gives central processor unit; Central processor unit is sent to remote monitoring center with the trailer identity information through wireless communication module, thereby has realized getting rid of the automatic identification of extension haulage vehicle trailer identity information.Comprise power generation circuit, detecting circuit, ASK backscattering circuit, RC low-pass filter circuit, LC low-pass filter circuit, processor module in the electronic tag.Passive electronic label relies on the antenna of power generation circuit to receive the energy of reader emission; When label is in the electromagnetic field scope of reader; Be coupled through the electromagnetic field space; Label obtains energy from electromagnetic field, change RF energy into direct supply through detecting circuit with the method for rectification, to activate the label internal circuit.Adjust order and the data that reader is sent through RC low-pass filter circuit, LC low-pass filter circuit, deliver to processor module, processor module sends its data through ASK backscattering circuit to read write line according to the instruction that receives.This device cooperates through electronic tag on car-mounted terminal and the trailer, can read the trailer identity information automatically on the way in vehicle transport, and be uploaded to remote monitoring center.Reach the purpose of remote monitoring on-vehicle information.

Description of drawings

Fig. 1 is the system chart that is installed in the car-mounted terminal on the tractor;

Fig. 2 is the system chart that is installed in the electronic tag on the trailer.

Embodiment

Below in conjunction with accompanying drawing and embodiment the utility model is further specified.

The utility model is a kind ofly to hang the haulage vehicle identity recognition device based on getting rid of of short-distance wireless radio-frequency technique (RFID), and this device mainly comprises and is installed in the car-mounted terminal on the tractor and is installed in the electronic tag two parts on the trailer.

As shown in Figure 1, be installed in the central processor unit that contains microprocessor 5 that car-mounted terminal on the tractor comprises global location (GPS) module 1, wireless telecommunications (GPRS) module 2, electronic tag read module 3, SD card memory module 4 and controls them.

In getting rid of extension haulage vehicle operational process; The positional information of global location module 1 report car; Central processor unit 5 regularly sends to electronic tag read module 3 and reads instruction; Read module reads to return behind the trailer identity data in the trailer electronic tag gives central processor unit 5, and central processor unit 5 is sent to remote monitoring center with the trailer identity information through wireless communication module 2, thereby has realized getting rid of the automatic identification of extension haulage vehicle trailer identity information.SD card memory module 4 is used for the identity information of store car.

Getting rid of the characteristics of hanging transportation is, tractor gets rid of institute's towed vehicle down in the shipping station, changes other trailers and continues operation, so at anterior electronic tag, the identity information of label stored trailer installed of trailer; The car-mounted terminal that is installed in the tractor has electronic tag read module 3, and module is installed in the tractor rear portion, the electronic tag on the trailer.

As shown in Figure 2, the electronic tag that is installed on the trailer is the passive anti-metal electronic tag of 915M, is used to store the identity information of trailer.Comprise power generation circuit 10, detecting circuit 20, ASK backscattering circuit 30, RC low-pass filter circuit 40, LC low-pass filter circuit 50, processor module 60 in the electronic tag.Its principle of work is: passive electronic label relies on the antenna of power generation circuit 10 to receive the energy of electronic tag read module 3 emissions; When label is in the electromagnetic field scope of electronic tag read module; Be coupled through the electromagnetic field space; From electromagnetic field, obtain energy, change RF energy into direct supply with the method for rectification, to activate the label internal circuit through detecting circuit 20.Adjust order and the data that the electronic tag read module is sent through RC low-pass filter circuit 40, LC low-pass filter circuit 50; Deliver to processor module 60, processor module 60 sends its data through ASK backscattering circuit 30 to the electronic tag read module according to the instruction that receives.

The inventor is through showing with real train test in the laboratory, and this device can read the trailer identity information automatically in the vehicle transport way, reach the purpose to tractor and trailer overall monitor.

Above-mentioned each embodiment only is used to explain the utility model; Wherein the structure of each parts, connected mode and manufacture craft etc. all can change to some extent; Every equivalents of on the basis of the utility model technical scheme, carrying out and improvement all should not got rid of outside the protection domain of the utility model.

Claims

1. one kind is got rid of extension haulage vehicle trailer identity automatic identification equipment; It is characterized in that: comprise being installed in the car-mounted terminal on the tractor and being installed in the electronic tag two parts on the trailer that said car-mounted terminal comprises global location module, wireless communication module, electronic tag read module, SD card memory module and controls their central processor unit that contains microprocessor;

Comprise power generation circuit, detecting circuit, ASK backscattering circuit, RC low-pass filter circuit, LC low-pass filter circuit, processor module in the said electronic tag; Said power generation circuit receives the energy of said electronic tag read module emission; Said detecting circuit changes RF energy into direct supply; Activate the label internal circuit; Said RC low-pass filter circuit, LC low-pass filter circuit are regulated order and the data that said electronic tag read module is sent, and deliver to processor module, and processor module sends its data through ASK backscattering circuit to said electronic tag read module according to the instruction that receives.

2. a kind of getting rid of as claimed in claim 1 hung haulage vehicle trailer identity automatic identification equipment, and it is characterized in that: said electronic tag is the passive anti-metal electronic tag of 915M.

3. according to claim 1 or claim 2 a kind of gets rid of and hangs haulage vehicle trailer identity automatic identification equipment, and it is characterized in that: said electronic tag is installed in the trailer front portion, and the electronic tag read module of said car-mounted terminal is installed in the tractor rear portion, over against electronic tag.