CN106251504A - A kind of intelligent express delivery based terminal system - Google Patents
A kind of intelligent express delivery based terminal system Download PDFInfo
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- CN106251504A CN106251504A CN201610663282.2A CN201610663282A CN106251504A CN 106251504 A CN106251504 A CN 106251504A CN 201610663282 A CN201610663282 A CN 201610663282A CN 106251504 A CN106251504 A CN 106251504A
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- bar code
- express mail
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F17/00—Coin-freed apparatus for hiring articles; Coin-freed facilities or services
- G07F17/10—Coin-freed apparatus for hiring articles; Coin-freed facilities or services for means for safe-keeping of property, left temporarily, e.g. by fastening the property
- G07F17/12—Coin-freed apparatus for hiring articles; Coin-freed facilities or services for means for safe-keeping of property, left temporarily, e.g. by fastening the property comprising lockable containers, e.g. for accepting clothes to be cleaned
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/14—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light
- G06K7/1404—Methods for optical code recognition
- G06K7/1408—Methods for optical code recognition the method being specifically adapted for the type of code
- G06K7/1417—2D bar codes
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Abstract
The invention discloses a kind of intelligent express delivery based terminal system, the technical scheme of employing comprises control system and casing；Control system includes bar code recognition subsystem, express mail access subsystem and short message receiving-transmitting subsystem three parts, for the major function of completion system, casing, is used for depositing express mail；Bar code recognition subsystem is stored in the big function of system two for realizing the bar code collection on express mail with the express mail information corresponding to identification and bar code, being used for the access task of express mail on express mail access subsystem, described short breath transceiver subsystem is for being sent to user by the relevant information of express mail with the form of note.
Description
Technical field
Patent of the present invention relates to express mail access field, and a kind of function express delivery the most comprehensive, intelligent is eventually specifically
End service system.
Background technology
Along with the fast development of domestic economy, express delivery industry is grown the most rapidly, and becomes and have most potential, the richest in dispensing industry
Vigor and the most promising business scope.Express delivery is already through growing into the industry that can not be ignored in Chinese national economy.With
The continual and steady of national economy to develop healthily, the quickening of urban-rural integration process, commerce and trade activity tends to frequentization.Hurry up
Passing the industry life the most also to ordinary people to bring great convenience, it receives more with its convenience, safely and quickly feature
Carry out liking of the most people.Daily shopping way also changes quietly occurring, and ecommerce easily gradually grows up,
Become the trend of New Times purchase and consumption, come into vogue in the vast consumer group, ecommerce and logistics express delivery
In conjunction with more and more tightr.
While Chinese Express Service has great development space, the most inevitably occurring in that many problems, these are all
At the survival state seriously testing express company.Express delivery is delivered and generally be there is express mail delay, express mail damage, express mail loss kimonos
Business attitude is poor, has related to domestic all kinds of express company.Express company to go down in keen competition in sustainable development, low
The extensive expansion of cost can not obtain the satisfaction of client and the profit of great number.There is provided the service of differentiation, it is intended that perfect
Service indication, improves service quality, the sustained competitiveness of ability enterprise.For express delivery terminal delivery process, in resident society
Express mail based terminal system is laid in place in district, colleges and universities et al. cluster, and the access automatically realizing express delivery can alleviate express delivery throwing
Pass the pressure of personnel, improve the efficiency that express delivery is delivered, improve the problem that express delivery is delivered, take express mail to user and provide convenience.And
Express delivery based terminal system now also exists the universal problems such as function singleness, inefficiency, design be the most perfect, therefore,
Function is the most perfect, efficiency is higher, design more comprehensively express delivery based terminal system to need research one.
Summary of the invention
In view of this, the technical problem to be solved in the present invention needs to provide a kind of express delivery based terminal system to make up to merit
Energy is comprehensive, design level perfect, that efficiency is higher.
Present disclosure is: a kind of intelligent express delivery based terminal system, comprises control system and casing, its feature
It is:
Control system, including bar code recognition subsystem, express mail access subsystem and short message receiving-transmitting subsystem three parts, uses
In the major function of completion system, casing, multiple chests with automatic closing door combining, described control system is embedded
In tank surface；
Bar code recognition subsystem is provided with bar code and reads instrument, for realizing the bar code collection on express mail and identification function, with
Express mail information corresponding to bar code is stored in system, and express mail access subsystem is provided with input keyboard and display screen, and comprises control
The system door switching control system of the door opening and closing of chest in casing processed, and singlechip microcontroller, be used for depositing of express mail
Taking task, short breath transceiver subsystem is for being sent to user by the relevant information of express mail with the form of note；
Bar code recognition subsystem is connected with express mail access subsystem, express mail access subsystem and short message receiving-transmitting subsystem phase
Even, express mail access subsystem is connected with casing；
Bar code recognition subsystem is read instrument by described bar code and reads and identify the bar code on express mail, and the information of express mail is recorded
After entering system, express mail access system opens the door of a chest in described casing, and express mail is stored in system, short message receiving-transmitting subsystem
Key therein is believed by note to user, user by short message sending by the express mail information of systematic collection with fixing form
Cease by described input keyboard typing express mail access subsystem, at the correctness of display screen display typing information, if information
Correctly, express mail access system opens the door of a chest in described casing, is taken out by express mail, if information is incorrect, needs weight
Newly inputted information；
The further scheme of the present invention is: bar code recognition subsystem comprises bar code reading sense circuit and Processing in Barcode Recognizing System, uses
In the bar code collection realized on express mail and identification function, so that the related keyword information of express mail is stored in system；
The further scheme of the present invention is: bar code reading sense circuit, for realizing the acquisition function of bar code image, comprises image
Sensing circuit, first in first out frame memory circuit, PLD control circuit, single chip machine controlling circuit；Single-chip Controlling
Circuit is the kernel control module of bar code reading sense circuit, for the initialization of imageing sensor, the monitoring of image read command and
Sending of reading order；Image sensing circuit image taking sensor is groundwork device, is used for absorbing bar code image, to produce
Corresponding array pixel data, pixel comprises monochrome information and chrominance information；The core of first in first out frame memory circuit is advanced
First go out frame memory, for storage from the view data figure place of imageing sensor output, spread out of the most again and carry out bar code identification, its
In comprise the read-write operation of image；PLD control circuit is to realize the write timing to first in first out frame memory
Control, and control the sequential logic that pixel is transmitted to described first in first out frame memory from imageing sensor；
The further scheme of the present invention is: single chip machine controlling circuit and imageing sensor, first in first out frame memory circuit phase
Even, image sensing circuit is connected with first in first out frame memory circuit, and PLD control circuit is deposited with first in first out frame
Storage circuit is connected；
The further scheme of the present invention is: Processing in Barcode Recognizing System, enters for the bar code image reading bar code reading sense circuit
Row processes, and identifies bar code information and is stored by key message, and comprising bar code pretreatment module and bar code decoding module, bar code is located in advance
Reason module is for carrying out pretreatment to image, and after the noise jamming of image being filtered, the information of prominent bar code image, bar code is translated
Code module for the information of bar code image being translated, obtains the express mail information corresponding to bar code, bar code pretreatment module with
Bar code decoding module is connected；
The further scheme of the present invention is: bar code pretreatment module comprises image segmentation, image filtering, for from comprising spy
Levying extraction characteristic body in the digitized image of the objects such as thing, background and noise, characteristic body is the information of bar code image；
Image segmentation uses binaryzation, for distinguishing characteristic thing and background, sets a certain threshold value T, will figure for separation with T
The data of picture are divided into two parts, more than the pixel group of threshold value with less than the pixel group of described threshold value, more than the pixel group of threshold values are
Characteristic body, is background less than the pixel group of threshold values, and the unit of threshold value is the gray value of pixel, and input gray level image function is fixed
For f (x, Y), the function of output bianry image is set to g (x, Y), then obtain formula (1):
Image filtering, for eliminating the noise of image, with further prominent features object image, wherein, takes medium filtering,
Described medium filtering is a kind of local average smoothing technique, belongs to nonlinear filtering, is usually used in eliminating random impulsive noise, intermediate value
The ultimate principle of filtering is this picture point peripheral region of the gray value of a pixel in digital picture or Serial No.
The Mesophyticum of gray value replaces, and peripheral region is chosen for the boxed area of 8*8 pixel, and the intermediate value of the gray value of peripheral region asks for step
Suddenly it is: first, by the gray value x of pixel in boxed area1、x2、…xnSort by size, after sequence, be expressed as x(1)≤x(2)
≤…≤x(n), second, ask for the intermediate value of the gray value of pixel in boxed area, formula is defined as follows:
In formula (2)For calculating the intermediate value of the gray value of pixel, formula in n is boxed area during odd number
(2) inFor calculating the intermediate value of the gray value of pixel in n is boxed area during even number, described in
Value filtering, for there being the pixel of bigger difference compared with the gray value of surrounding pixel, changes its gray value into surrounding pixel
The intermediate value of gray value, thus effectively eliminate isolated noise spot；
The further scheme of the present invention is: the function of bar code decoding module is described bar bar code pretreatment module obtained
Code image information translates into the express mail information obtained corresponding to bar code, and the detailed process of bar code decoding module is: first, determines bar
Code line number and row height, second, segmentation single file bar code on, the 3rd, identify bar code character bar empty sequence, the 4th, according to symbol compare
Table inquiry code word, is converted to corresponding codewords by sign character, and the 5th, it is decoded showing decoded information by coding inverse operation,
To the specifying information of bar code, look into, by connecting outside express mail network, the express mail information taken corresponding to bar code, and be deposited into system；
The further scheme of the present invention is: express mail access subsystem is provided with input keyboard and display screen, and comprises control
Make the system door switching control system of the door opening and closing of chest in described casing, and singlechip microcontroller, be used for express mail
Access task；Door switching control system comprises electric control lock, and electric control lock is to make with box number in low and high level and described casing
For input, high level represents needs to open the door of corresponding numbering chest in described casing, and it is described that low level represents that needs are closed
The door of corresponding numbering chest in casing, utilizes an electric magnet of its terminal to carry out described casing to control simple machinery
The switch of the door of middle chest, singlechip microcontroller is the processing center of described express mail access system, for processing depositing of express mail
Storage information, and opposite house switching control system and described display screen output control information accordingly；
The further scheme of the present invention is: memory module that singlechip microcontroller comprises bar code number, deposit part module and
Pickup module, deposits part module, pickup module is connected with the memory module of bar code number；
The further scheme of the present invention is: the memory module of bar code number is for carrying out bar code number with box number in casing
Association, the computer physical design of line access of going forward side by side operation, the mentality of designing of the memory module of bar code number is with two chains
Table deposits empty van and trunkful respectively, and chained list l deposits the node representing empty van, and chained list 2 deposits the node representing trunkful, in chained list
With node as representation unit, the node of chained list 1 is deposited case number (CN) and points to the pointer of next node, in the node of chained list 2
Deposit case number (CN), bar code number and point to the pointer of next node, when being stored in operation, checking whether chained list 1 is empty, if sky
Then take out a node, be stored in bar code number and case number (CN) and be inserted in chained list 2, when taking out operation, check whether chained list 2 has node,
If non-NULL shows " please input bar code number " the most on a display screen, this bar code and the bar code of node in chained list 2 will be checked thereafter
Compare, until find identical bar code number, by this Knots inserting to chained list l after taking-up, and display " X on a display screen
Number case please be closed the door after taking thing "；
The further scheme of the present invention is: deposit part module for express mail is stored in system, and being stored in operation only courier has
Power enters, for the safety designed, distributes a special purpose system to courier, just courier can enter through password authentification deposits part
Flow process, after Programmable detection to Password Input is correct, whether the memory module of bar code-bar will have empty van position by sequential search, has empty van
Will open empty van in the case of Wei and wait being stored in of express mail, meanwhile, courier also to read in operation, this part by carrying out bar code
Operation mainly completed by bar code recognition subsystem, after bar code is read in, according to the memory module just bar code number of bar code number
Being associated with box number in casing, and distribute the box number of casing, express mail just can be deposited into by courier, chamber door
Just complete after closedown and be stored in operation, deposit part module and randomly generate identification code simultaneously, identification code and box number in casing with
And the association of express mail relevant information is stored in system, when user's pickup, identifies user identity and correctly open the case relevant to express mail
Son, when being stored in express mail, depositing part module needs to call the memory module of bar code number to judge whether chained list l is empty, and chained list 1 is not
Sky, then show there is empty van position, can be stored in express mail, needs to delete correspondence node from chained list 1, and be inserted into chained list when being stored in
In 2；
The further scheme of the present invention is: pickup module is for taking out express mail from system, and user confirms pickup order
Afterwards, system will be prompted to input identification code, and user inputs identification code in described input keyboard, and system will determine that input identification code
The most effective, find the chest relevant to inputting identification code, meanwhile, empty van listed in by this chest of memory module calling bar code-bar,
And point out " please close the door after pickup ", if input identification code is invalid, then prompting " bar code number is invalid, please re-enter ", user is permissible
Again inputting bar code number in input keyboard, if consecutive invalid three times, system will enter guard mode, and taking-up express mail is also required to
Whether inquiry bar code number is positioned in chained list 2, after inquiring the existence of this bar code, just opens the chest depositing this bar code number.Meanwhile, should
The case position at express mail place is put into empty van, and correspondence node is deleted from chained list 2 by the memory module calling described bar code-bar, and inserts
Enter in chained list 1；
The further scheme of the present invention is: short message receiving-transmitting subsystem is made up of gsm module and processor of single chip computer, works as express mail
The transmission of access subsystem short message is realized by co-ordination between processor of single chip computer and gsm module, processor of single chip computer
In express mail access subsystem, deposit part module complete express mail and be stored in, and be assigned with random identification code, it is relevant to express mail information
After connection, the information being stored in express mail being translated in system, and control the basic operation of SMS with AT instruction, AT instruction is for short
Message machine instruction storage in described short message receiving and sending system, the AT that gsm module sends for receiving processor of single chip computer refers to
The information translation of order and express mail, and complete the communication transmission of note, processor of single chip computer is connected with gsm module, to form communication
Loop, thus realize the sending function of short message；
The further scheme of the present invention is: gsm module is connected with mobile communications network, utilizes in mobile communications network and provides
A value-added service short message service, it is not necessary to additional other-end equipment, only need gsm module just can realize Chinese and English information
Transmission；
The further scheme of the present invention is: the express mail information translation form that single-chip microcomputer sends uses PDU pattern, many to realize
Planting the short message receiving-transmitting of form, PDU pattern is that short message text is transmitted after hexadecimal code, and its coding is permissible according to content
It is divided into three parts: service centre number, recipient's number, short message content.
Accompanying drawing explanation
Fig. 1 is the structure chart of intelligent express mail based terminal system.
Fig. 2 is the structure chart of bar code recognition subsystem.
Fig. 3 is the structure chart of express mail access subsystem.
Fig. 4 is the structure chart of short message receiving-transmitting subsystem.
Detailed description of the invention
In order to make the technical problem to be solved, technical scheme and beneficial effect clearer, below tie
Closing drawings and Examples, the present invention will be described in detail.It should be noted that, specific embodiment described herein is only used
To explain the present invention, being not intended to limit the present invention, the product that can realize said function belongs to equivalent and improvement, all comprises
Within protection scope of the present invention.Concrete grammar is as follows:
Embodiment 1: the implementation process of bar code recognition subsystem.
Bar code recognition subsystem realizes the bar code collection on express mail and identification function, courier be responsible for this mistake
Journey.The present invention designs a set of bar code reading power taking being made up of single chip machine controlling circuit and imageing sensor and other memory devices
Road and bar code identification circuit complete reading and the identification work of bar code.After bar code recognition subsystem gathers bar code image,
Need influence image being carried out pretreatment to remove noise, background etc., effectively enhance bar code main information, greatly
Ground ensures the information integrity of bar code, removes background with image segmentation, and image filtering drives away noise.Identify that bar code process will
Segmentation bar code symbol character, identifies the line number of bar code, row height, unit module width, bar code-bar empty sequence, finally by lookup
Code word storehouse, is translated into corresponding codewords by bar code symbol character. and the design of this subsystem is complex, and bar code reads and identifies to be needed relatively
Many process time.
Embodiment 2: the implementation process of express mail access subsystem.
Express mail access subsystem is responsible for the automatic access task of express mail.Hardware components mainly uses electric control lock, uses height
Flat instruction controls to conveniently realize the closedown of chamber door.Courier, when depositing part operation, first completes bar code collection and identifies work
Making, then, system is opened chest door and is carried out depositing of express mail.During user's pickup, find express mail according to bar code number, bar code number with
Box number association in casing, the design of the memory module of bar code number makes the distribution of chest in work that accesses of express mail become at meter
The operation physically of calculation machine, uses the form of chained list to deposit, and chained list 1 deposits the node representing empty van, and chained list 2 deposits generation
The node of table trunkful, holds by chained list operates the service condition to chest, will after making system find express mail
Open corresponding chamber door and facilitate client's pickup.Express mail access subsystem is provided with input keyboard and display screen, and comprises control
The system door switching control system of the door opening and closing of chest in casing, and singlechip microcontroller, be used for the access of express mail
Task, wherein input keyboard, display screen are external equipment, and door switching control system is for controlling the opening and closing of chest, and single-chip microcomputer is micro-
Controller is the core processed, and wherein, comprise deposits part module with pickup module for accessing the practical operation of part, bar code number
Memory module deposits the practical operation of part module and pickup module for auxiliary, is that computer information technology is at express mail access subsystem
On application.
Embodiment 3: the implementation process of short message receiving-transmitting subsystem；
Short message receiving-transmitting subsystem is mainly used in sending an SMS to client, it is achieved the transmission mode of short message has a lot, chooses
It is easy to the mode designed, easily operated, development cost is relatively low.Conventional gsm module realizes the transmission of note, design, operation,
The aspects such as development cost all have advantage, are suitable for the requirement designed on a small scale.In the design, sending out of note is the most simply realized
Sending function, the later stage can also arrange other functions, as set up the contact method of note with express mail management level, can realize express mail
Multistage supervision.Depositing after part completes, the bar code number of express mail all can be sent to each client by system, client receive short message it
After, time pickup can be arranged neatly, the safety that express mail is deposited can not worried.
The short message receiving-transmitting subsystem of the present invention uses gsm module and the organization plan of single-chip microcomputer composition, realizes short message
Transmission, the configuration of device is connected and has made detailed design, devise communication cryptology when short message sends, subsystem with AT instruction
System meets the functional requirement of short message communication.
Short message uses AT instruction description, and the present invention is set to PDU pattern, receives and dispatches short message, message service center sends out
Message is sent to arrive user side.Being specifically divided into initialization and send two steps, initialized step is:
(1) short message is set and sends form, instruct AT+CMGF=I<CR, represent and be set to PDU pattern,<CR>represents back
Car accords with, and code is OXOd.Instruction arranges correct then module and returns<CRLF>oK<CRLF>,<CRLF>refers to new line symbol.
(2) arranging short message service center, instruction AT+CSCA="+8613800270500 "<CR>, arranging correct module will return
Return<CRLF>0K<CRLF>.
(3) arranging short message arrival automatically to point out, instruction AT+CNMI=1,1,0,0, I<CR, module returns<CRLF>0K
<CRLF>then represent arrange correct.After instruction is arranged, module transmission instruction after short message arrives<CRLF>+CMTI: " SM ",
INDEX (storage position information)<CRLF>is to U single-chip microcomputer.
The step sent is as follows:
In PDU pattern, it was the length first sending message data before sending short message, instruction format AT+CMGS=<
Iength><CR>.Ascii character is returned at gsm module.>" after, the most then input PDU data, and with<Z>(code OXla)
As end mark.Being successfully transmitted short message, module will return<CRLF>OK<CRLF>.
The present invention is formation loop between gsm module and processor of single chip computer, carrys out successful execution function of receiving and sending short message,
Gsm module is for the transmitting-receiving of note, and processor of single chip computer is for sending AT instruction and the relevant information PDU pattern of express mail being turned over
Translate and be sent to gsm module.
Design advantage of the present invention mainly has: the present invention completes the major function design of express delivery terminal client service system.
Not only complete bar code to read and the hardware designs of recognition subsystem, also use image processing techniques to carry out bar code processing and
Identify, and achieve the lookup of express mail to complete express mail access work, complete the function of short message communication.By the present invention's
Design, the function making express mail terminal client system is more perfect, improves the efficiency of access express delivery.
Claims (1)
1. an intelligent express delivery based terminal system, comprises control system and casing, it is characterized in that:
Described control system, including bar code recognition subsystem, express mail access subsystem and short message receiving-transmitting subsystem three parts, uses
In the major function of completion system, described casing, multiple chests with automatic closing door combine, described control system
It is embedded in tank surface；
Described bar code recognition subsystem is provided with bar code and reads instrument, for realizing the bar code collection on express mail and identification function, with
Express mail information corresponding to bar code is stored in system；
Described express mail access subsystem is provided with input keyboard and display screen, and comprises a switching control system, is used for controlling
The system of the door opening and closing of chest in described casing；And also including singlechip microcontroller, the access being used for express mail is appointed
Business；
Described short breath transceiver subsystem is for being sent to user by the relevant information of express mail with the form of note；
Described bar code recognition subsystem is connected with described express mail access subsystem, described express mail access subsystem and short message receiving-transmitting
System is connected, and described express mail access subsystem is connected with described casing；
Described bar code recognition subsystem is read instrument by described bar code and reads and identify the bar code on express mail, and the information of express mail is recorded
After entering system, described express mail access system opens the door of a chest in described casing, and express mail is stored in system, and described note is received
Send out subsystem by the express mail information of systematic collection with fixing form by short message sending to user, user will wherein by note
Key message by express mail access subsystem described in described input keyboard typing, in described display screen display typing information just
Whether true, if information is correct, described express mail access system opens the door of a chest in described casing, is taken out by express mail, as
Really information is incorrect, needs to re-enter information；
Described bar code recognition subsystem comprises bar code reading sense circuit and bar code identification circuit, for realizing the bar code collection on express mail
With identification function, so that the related keyword information of express mail to be stored in system, described bar code reads instrument and described bar code reading sense circuit phase
Even, described bar code reading sense circuit is connected with described bar code identification circuit；
Described bar code reading sense circuit, for realizing the acquisition function of bar code image, comprises image sensing circuit, first in first out frame is deposited
Storage circuit, PLD control circuit, single chip machine controlling circuit；Described single chip machine controlling circuit is that described bar code reads
The kernel control module of circuit, for sending of the initialization of imageing sensor, the monitoring of image read command and reading order；
Described image sensing circuit image taking sensor is groundwork device, is used for absorbing bar code image, to produce corresponding array
Pixel data, described pixel comprises monochrome information and chrominance information；The core of described first in first out frame memory circuit is advanced first
Go out frame memory, for storage from the view data figure place of imageing sensor output, spread out of the most again and carry out bar code identification, wherein
Comprise the read-write operation of image；When described PLD control circuit is to realize the write to first in first out frame memory
Sequence controls, and controls the sequential logic that pixel is transmitted to described first in first out frame memory from described imageing sensor；
Described single chip machine controlling circuit is connected with described imageing sensor, described first in first out frame memory circuit, and described image passes
Inductive circuit is connected with first in first out frame memory circuit, described PLD control circuit and first in first out frame memory circuit
It is connected；
Described bar code identification circuit, processes for the bar code image reading described bar code reading sense circuit, identifies bar code letter
Key message is also stored by breath, comprises bar code pretreatment module and bar code decoding module, and described bar code pretreatment module is for right
Image carries out pretreatment, and after the noise jamming of image being filtered, the information of prominent bar code image, described bar code decoding module is used
In the information of described bar code image being translated, obtain the express mail information corresponding to bar code, described bar code pretreatment module with
Bar code decoding module is connected；
Described bar code pretreatment module comprises image segmentation, image filtering, for from comprising the objects such as characteristic body, background and noise
Digitized image in extract characteristic body, described characteristic body is the information of bar code image；The segmentation of described image uses binaryzation, uses
In distinguishing characteristic thing and background；Described image filtering, for eliminating the noise of image, with further prominent features object image, its
In, taking medium filtering, described medium filtering is a kind of local average smoothing technique, belongs to nonlinear filtering, for eliminate with
Machine impulsive noise, the ultimate principle of described medium filtering is that the gray value of a pixel in digital picture or Serial No. is used
The Mesophyticum of the gray value of this picture point peripheral region replaces, and described peripheral region is chosen for the boxed area of 8 × 8 pixels, thus
Effectively eliminate isolated noise spot；
The function of described bar code decoding module is that the described bar code image information described bar code pretreatment module obtained is translated into
Obtaining the express mail information corresponding to bar code, the detailed process of described bar code decoding module is: first, determines bar code line number and row
Height, second, in segmentation single file bar code, the 3rd, identification bar code character bar empty sequence, the 4th, inquire about code word according to symbol synopsis,
Sign character is converted to corresponding codewords, the 5th, it is decoded showing decoded information by coding inverse operation, obtains the concrete of bar code
Information, looks into, by connecting outside express mail network, the express mail information taken corresponding to bar code, and is deposited into system；
Described express mail access subsystem is provided with input keyboard and display screen, and comprises a switching control system and single-chip microcomputer is micro-
Controller, described door switching control system and described singlechip microcontroller are for controlling the door opening and closing of chest in described casing
System, has been used for the access task of express mail；Described door switching control system comprises electric control lock, and described electric control lock is with height electricity
In flat and described casing, box number is as input, and wherein high level represents needs to open in described casing numbering chest accordingly
Door, wherein low level represents needs to close the door of corresponding numbering chest in described casing, utilizes an electric magnet of its terminal
Controlling simple machinery and carry out the switch of the door of chest in described casing, described singlechip microcontroller is described express mail
The processing center of access system, for processing the storage information of express mail, and to described door switching control system and described aobvious
Display screen output controls information, described singlechip microcontroller and described input keyboard, described display screen, described door opening and closing accordingly
Control system is connected；
Memory module that described singlechip microcontroller comprises bar code number, deposit part module and pickup module, described in deposit part module,
Described pickup module is connected with the memory module of described bar code number；
The memory module of described bar code number is for being associated bar code number with box number in described casing, and line access of going forward side by side is grasped
The computer physical design made, the mentality of designing of the memory module of described bar code number is to deposit sky respectively with two chained lists
Case and trunkful, chained list l deposits the node representing empty van, and chained list 2 deposits the node representing trunkful, with node for representing single in chained list
Position, deposits case number (CN) and points to the pointer of next node, storage box in the node of described chained list 2 in the node of described chained list 1
Number, bar code number and point to the pointer of next node, check when being stored in operation whether described chained list 1 is empty, if sky is then
Take out a node, be stored in bar code number and case number (CN) and be inserted in described chained list 2, when taking out operation, check described chained list 2 whether
There is node, if non-NULL is then described display screen display " please input bar code number ", will check thereafter in this bar code and chained list 2
The bar code of node compares, until find identical bar code number, by this Knots inserting to chained list l after taking-up, and described
Upper display " X case please be closed the door after taking thing " is spelled in display, and wherein said No. X is identical bar code number；
Described part module of depositing, for express mail is stored in system, is stored in operation only courier and has the right to enter, for the safety designed
Property, distributing a special purpose system to courier, courier just can enter through password authentification and deposit part flow process, and Programmable detection is defeated to password
After entering correctly, whether the memory module of described bar code-bar will have empty van position by sequential search, will beat in the case of having empty van position
Opening empty van and wait being stored in of express mail, meanwhile, courier also to complete to carry out bar code reading by described bar code recognition subsystem
Operation, after bar code being read in, enters with box number in described casing according to the memory module just bar code number of described bar code number
Row association, and distribute the box number of described casing, express mail just can be deposited into by courier, and chamber door just completes after closing
Be stored in operation, described in deposit part module and randomly generate identification code simultaneously, described identification code and box number in described casing and
The association of express mail relevant information is stored in system, identifies user identity and correctly open the case relevant to express mail when user's pickup
Son, when being stored in express mail, described in deposit part module and need the memory module calling described bar code number to judge that whether described chained list l is
Sky, described chained list 1 is not empty, then show there is empty van position, can be stored in express mail, need correspondence node from described chained list when being stored in
Delete in 1, and be inserted in described chained list 2；
Described pickup module is for taking out express mail from system, and after user confirms pickup order, system will be prompted to input and knows
Other code, user inputs identification code in described input keyboard, and system will determine that described input identification code is the most effective, finds with defeated
Entering the chest that identification code is relevant, meanwhile, empty van listed in by this chest of memory module calling described bar code-bar, and points out " after pickup
Please close the door ", if described input identification code is invalid, then prompting " bar code number is invalid, please re-enter ", user can be again described
Input keyboard inputs bar code number, takes out express mail and be also required to inquire about whether bar code number is positioned in chained list 2, inquire this bar code and exist
After, just open the chest depositing this bar code number.Meanwhile, the case position at this express mail place is put into empty van, calls described bar code
Correspondence node is deleted from described chained list 2 by the memory module of bar, and is inserted in described chained list 1；
Described short message receiving-transmitting subsystem is made up of gsm module and processor of single chip computer, when described express mail access subsystem short message
Transmission realized by co-ordination between described processor of single chip computer and described gsm module, described processor of single chip computer is in institute
State and express mail access subsystem is deposited part module complete express mail and be stored in, and be assigned with random identification code, it is relevant to express mail information
After connection, the information being stored in express mail being translated in system, and control the basic operation of SMS with AT instruction, described AT instructs use
In short message machine instruction storage in described short message receiving and sending system, described gsm module is used for receiving described single-chip microcomputer and processes
AT instruction and the information of express mail that device sends are translated, and the communication completing note sends, described processor of single chip computer and gsm module
It is connected, to form communication loop, thus realizes the sending function of short message；
Described gsm module is connected with mobile communications network, utilizes value-added service, the i.e. note provided in mobile communications network
Service, it is not necessary to additional other-end equipment, only needs described gsm module just can realize the transmission of Chinese and English information；
The express mail information translation form that described single-chip microcomputer sends uses PDU pattern, to realize the short message receiving-transmitting of multiple format, described
PDU pattern is that short message text is transmitted after hexadecimal code, and its coding can be divided into three parts according to content: service
Center number, recipient's number, short message content.
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