CN107293027A

CN107293027A - A kind of variable two-dimension code lock

Info

Publication number: CN107293027A
Application number: CN201710752920.2A
Authority: CN
Inventors: 龙文凯; 陈蜀乔; 郭荣
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-08-29
Filing date: 2017-08-29
Publication date: 2017-10-24

Abstract

A kind of variable two-dimension code lock, based on minimum SCM system, the server used cooperatively is locked including variable two-dimension code display module, Quick Response Code internal processing modules, keyboard password input submodule, power supply circuit, reset oscillating circuit, unlocking circuit, two-dimentional code switch, lockset state detection module, internal clocking module, and with the variable two-dimension code；Lockset state detection module belongs to a subprogram in primary control program inside single-chip microcomputer, judge that variable two-dimension code locks by detecting high level or low level signal that single-chip microcomputer sends to the I/O mouths being connected with unlocking circuit module submodule is opening or the state of closing, two-dimentional code switch sends switching signal after being pressed to single-chip microcomputer, and the signal that single-chip microcomputer often receives once two-dimentional code switch generation regenerates a Quick Response Code；Subscription client scans Quick Response Code and Quick Response Code is sent to after server, server parsing Quick Response Code and obtains password and send password to client, and user reads realization after password and unlocked.

Description

A kind of variable two-dimension code lock

Technical field

The present invention relates to a kind of variable two-dimension code lock, belong to electronic information and shared lock technology field.

Background technology

The bicycle lock that the shared bicycles of OFO are used is not directly entered Internet of Things, but by using the people of shared car Realized when scanning with the interaction of network, adopt the R ＆ D Cost that can substantially reduce early stage in such a way and voluntarily The production cost of lock, this is for just entering the enterprise of shared platform, and this pattern is very valuable business mould Formula, can substantially reduce R＆D costs, be easy to promote.But this this pattern exist one it is serious the problem of be exactly OFO locks Password can not change, for bicycle, because bicycle parking position is not fixed, this is just greatly alleviated The disadvantage that OFO locks are present.Nonetheless, much want that the people gained extra advantage by unfair means still always enjoys it to deciphering lock.Little Huang bicycles Lock and password are all fixed, and somebody, which unlocks, to be known after password, as long as ensureing that vehicle is not ridden away, can just continue input close Code freely uses bicycle；Someone establishes little Huang bicycle passwords with this and shares group, a considerable number of.It is existing nationwide close among these The shared group of code, password for also having each specific place shares group, and many people directly represent in QQ group chats, by password can in order to avoid Take and use little Huang bicycles.Substantial amounts of energy is put into for this OFO company, OFO third generations lock is it may be said that reached specialty The people of unlocking level can guess out its password.It may be said that substantially increase the normal function rate of little Huang cars, prevented 90% with On the strip wool masses.Forth generation intelligence little Huang car locks are more characteristic be this lock only had four numerals by Key, still using four pin mode unblocks.Only four buttons are looked, the position of password is few, and the password that four bit combinations go out Quantity is also seldom, still, it is desirable to crack hardly possible.After continuously password is inputed by mistake several times, lock can send alarm, and forbid User inputs password, could recover after waiting for a period of time.Although only four passwords, the maximum characteristic of bicycle is shared It is exactly that mobility is high, even if you remember the password of this car, also differing surely rides up to tomorrow.From the point of view of such situation, OFO Lock does not solve the problem of password is variable all the time.From the point of view of present case, the problem of being faced with awkward, if password is not Become, the shared equipment provided will gratuitously be taken；If without using password, and using internet management, it is meant that preceding Phase development cost is too high.Therefore, exploitation variable cipher lockset can solve above-mentioned double-barreled question.

The content of the invention

In view of the above-mentioned problems, it is an object of the invention to provide a kind of variable two-dimension code lock.

A kind of variable two-dimension code lock, it is based on minimum SCM system, including in variable two-dimension code display module, Quick Response Code Portion's processing module, keyboard password input submodule, power supply circuit, reset oscillating circuit, unlocking circuit, two-dimentional code switch, lockset State detection module, internal clocking module, and lock the server used cooperatively with the variable two-dimension code；In variable two-dimension code lock Portion is provided with primary control program, server and is also equipped with server control program；Keyboard password input submodule, unlocking circuit, Two-dimentional code switch passes through single-chip processor i/o mouthful connection single-chip microcomputer；Power supply circuit, reset oscillating circuit are using minimum SCM system phase Supporting power supply circuit and reset oscillating circuit；Unlocking circuit is used for the opening and closing for controlling variable two-dimension code to lock；Lockset shape State detection module belongs to a subprogram in primary control program inside single-chip microcomputer, by detect single-chip microcomputer to unlocking circuit module The high level or low level signal that the I/O mouths of submodule connection are sent are opening or closing judge variable two-dimension code lock State, two-dimentional code switch sends switching signal after being pressed to single-chip microcomputer, and single-chip microcomputer often receives once what two-dimentional code switch was produced Signal regenerates a Quick Response Code；Subscription client scans Quick Response Code and Quick Response Code is sent into server, server parsing Password is obtained after Quick Response Code and sends password to client, input password, which is realized, after user's reading client password unlocks.

Variable two-dimension code display module is connected with single-chip microcomputer, and it shows variable two-dimension code, and variable two-dimension code includes Quick Response Code The automatic link information part of calibration point, lockset status information portion, variable function message part, server site；Quick Response Code school It is arranged on schedule on any three angles in four angles of Quick Response Code, the direction of Quick Response Code is confirmed to system；Lockset status information Part is by the permutation and combination of black-white point on Quick Response Code to show that lockset is opening or the state of closing；Variable function information portion Divide by the permutation and combination of black-white point on Quick Response Code to show at least one numerical value or one function code of display or show extremely Few numerical value and a function code；The arrangement group that the automatic link information part of server site passes through black-white point on Quick Response Code Close with the website of display server, it is ensured that the APP or server site of control lockset are automatically opened up after Quick Response Code is scanned, most The automated communications with server are realized by mobile phone eventually.

Variable two-dimension code described if necessary also includes lockset identification division, passes through the permutation and combination of black-white point on Quick Response Code To show a numerical value that is fixed but being different from other locksets, to ensure that each two-dimensional code lock being capable of being serviced Device is recognized and differentiated by Quick Response Code.

Further, described variable two-dimension code passes through the row of black-white point on Quick Response Code also comprising unlocking identification variables code Row combination is to show number of times that lockset is opened, same lockset, and its unlocking identification variables code produced for the first time is 0, and lockset is every Opened once the unlocking identification variables code on its Quick Response Code produced increases by 1, for example, the lockset originally closed, it is being closed No matter how many times Quick Response Code is generated under state, and the unlocking identification variables code in its Quick Response Code generated represents 0, when lockset is beaten Opened after 1 time, it generates Quick Response Code after first switching on, no matter generate how many times, the unlocking in its Quick Response Code generated becomes Amount identification code represents 1, before it is not opened again after lockset closing, and the unlocking variable in its Quick Response Code generated is known Other code also represents 1.

Further, described variable two-dimension code also includes time showing part, passes through the arrangement of black-white point on Quick Response Code Combination is to show time value, and the time value is reset and opened when lockset is opened by the timer record inside single-chip microcomputer, the value Begin record, is off in lockset closing and is recorded as definite value；Its effect is that APP or server on user can be directly from two The time of lockset opening is parsed on dimension code, to judge charge amount, the load of server storage record is reduced.

Quick Response Code internal processing modules, include following 3 kinds of at least one, and the control program of internal module is master control journey A part in sequence：

1）Each variable two-dimension code lock is provided with the numbering n of oneself, the corresponding Quick Response Code inter-process mould of n-th of two-dimensional code lock It is provided with the cryptographic libraries of block and changes function subprogram containing an independent function Fn and password；Identical function Fn And password changes function subprogram and existed in management server function library, as long as there is identical variate-value, just has simultaneously Identical operation result；Open two-dimentional code switch or SCM system is automatically generated after Quick Response Code switching signal, variable two-dimensional Variable two-dimension code is shown on code display module, Quick Response Code internal processing modules automatically generate described variable two-dimension code, therein Variable function message part display content in variable two-dimension code includes two-dimensional code lock numbering, variate-value, described variate-value with Machine is generated；

2）Identical function Fn and password are provided with the cryptographic libraries of the Quick Response Code internal processing modules of each variable two-dimensional lock Change function subprogram；Identical function Fn is also equipped with management server function library and password changes function subprogram only； As long as there is identical variate-value, function Fn just has identical operation result；Open two-dimentional code switch or SCM system certainly After dynamic generation Quick Response Code switching signal, variable two-dimension code, Quick Response Code internal processing modules are shown on variable two-dimension code display module Automatically generate the variable function message part display content comprising variable in described variable two-dimension code, variable two-dimension code therein Value, described variate-value is generated at random；

3）Be provided with the cryptographic libraries of the Quick Response Code internal processing modules of each variable two-dimensional lock multiple function Fn and and Corresponding password changes function subprogram, each function Fn and and corresponding password change function subprogram and be provided with Numbering m；In management server function library, be also equipped with multiple function Fn and and corresponding password change the sub- journey of function Sequence, each function Fn and and corresponding password change function subprogram and be provided with numbering m；Function Fn is identical, and has phase Same variate-value, just has identical operation result, described variate-value is generated at random；Open two-dimentional code switch or single-chip microcomputer System is automatically generated after Quick Response Code switching signal, is shown on variable two-dimension code display module inside variable two-dimension code, Quick Response Code Manage the variable function message part display content bag in the variable two-dimension code described in Module Generation, variable two-dimension code therein Function Fn, coding m, function variable value are included, described variate-value is generated at random.

Further, keyboard password input submodule is using a kind of following or combination of the two：

A, Password Input hardware components are mechanical cipher input unit, by 4 combination disks, 4 cipher rotary knobs, 16 digital marks Knowledge, cipher rotary knob, button pallet, cross recess, force turn round nail, elastic force pressing key, keyboard conductive rubber, cipher lock panel, reset Spring is constituted；Back-moving spring is provided between cipher rotary knob and cipher lock panel, the axle of cipher rotary knob is sleeve structure, nesting rotation Button generating gear upper shaft, the axle is provided with the inside of cross recess, the quill of cipher rotary knob turns round nail, embedded knob hair provided with force In the cross recess of electric gear upper shaft, such structure causes user at this time, to exert a force in rotational password knob and turn round nail in ten In the horizontal clearance of word groove, it will not produce and push maloperation；Weld elastic pressing key, bullet in the bottom of the quill of cipher rotary knob The lower section of power pressing key is button pallet, and the button pallet is fixed by the cipher lock panel of connection sheet and top, the button support Disk is pasted with keyboard conductive rubber, turns to after set password position, presses down on cipher rotary knob, elastic force pressing key and button The contact conducting of pallet upper keyboard conductive rubber, inputs a password value；When hand decontrols cipher rotary knob, in back-moving spring Under effect, set back；

4 keys of Password Input are designed for interference key board using determinant, and 16 buttons line up 4 × 4 matrixes；Using single in design 8 I/O lines of piece machine do the keyboard scan of 16 buttons, and scanning signal is sent out by P2.0~P2.3, and P2.4~P2.7 reads and pressed Key data return code；

Which button password scan module detects in the way of program scanning is pressed, single pass one row, 4 buttons, scanning Order is as follows：

(a) send out scanning signal 1110 to scan 4 buttons of C1 row, read button data, judge whether the row have key to press, If there is key to be pressed, the key being pressed is connected to, line of return state is 0；

(b) send out scanning signal 1101 to scan 4 buttons of C2 row, read button data, judge whether the row have key to press, If there is key to be pressed, the key being pressed is connected to, line of return state is 0；

(c) send out scanning signal 1011 to scan 4 buttons of C3 row, read button data, judge whether the row have key to press, If there is key to be pressed, the key being pressed is connected to, line of return state is 0；

(d) send out scanning signal 0111 to scan 4 buttons of C4 row, read button data, judge whether the row have key to press, If there is key to be pressed, the key being pressed is connected to, line of return state is 0；

(e) return to that step (a) is continuous to do key scan；

The step of above, is continuously repeated, if a button is pressed, and the button is decoded out, when a certain button is pressed, Its keypad numerals is to count numbering；

Password determining program is placed in main program, is read when having button, is judged when determination key is pressed；Set in a program The password and 4 bytes of the space storage setting of 4 bytes deposit the data of input through keyboard；According to the keyboard data and single-chip microcomputer of reading Local password successive appraximation that inside is automatically generated it may determine that the correctness of input password, if password is correct, unlocks, if Incorrect, then Password Input counting how many times element count, does not reach such as 3 times, returns to keyboard scan module to ensure that user obtains There are the chance of 3 this input password, if Password Input number of times reaches that 3 passwords are not still right, SCM system after one password Quick Response Code switching signal is automatically generated, new Quick Response Code is regenerated；

B, Password Input hardware components use panel type keyboard, and 0 to 9 totally 10 keys are provided with keyboard, monolithic is used in design The I/O connection keyboards of machine, password is directly inputted by keyboard, and password scan module is by reading the password and piece machine of input through keyboard The local password that inside is automatically generated is compared, if password is correct, unlocks, if incorrect, Password Input counting how many times Element count, does not reach such as 3 times, returns to keyboard scan module to ensure to have 3 this input password after user's one password of acquisition Chance, if Password Input number of times reaches that 3 passwords are not still right, SCM system automatically generates Quick Response Code switching signal, weight Newly-generated new Quick Response Code.Because using the technology of panel type input through keyboard password for prior art, therefore repeat no more.

Described primary control program is programmed using assembler language, including the initialization module of system, password scan module, Call password multilevel iudge module.

A, initialization module are run in start, when two-dimentional code switch is opened or system automatically generates two-dimentional code switch letter After number, system is initialized automatically, the lockset then inquired about in the open and-shut mode generation variable two-dimension code of variable two-dimension code lock Status information portion；Call the variable function information in the cryptographic libraries in single-chip microcomputer internal memory, gathering information production variable two-dimension code Part；Transfer the automatic link information generating portion of server site；Transfer other necessary informations of Quick Response Code Quick Response Code life generation Part generates overall variable two-dimension code, wherein transferring the method for work of function information part is：

a）When each variable two-dimension code lock is provided with the numbering n of oneself, the corresponding Quick Response Code inter-process of n-th of two-dimensional code lock It is provided with the cryptographic libraries of module and changes function subprogram, identical function containing an independent function Fn and password Fn and password change function subprogram and existed in simultaneously in management server function library, will as long as there is identical variate-value When having identical operation result, the internal number n of variable two-dimension code lock is transferred, and generates variate-value c, variable the two of production at random Tie up internal number n and random generation variate-value c that the variable function message part in code is locked comprising variable two-dimension code；Single-chip microcomputer root According to the internal number n transferred, random generation variate-value c and independent function Fn, generation local password y is stored in single-chip microcomputer internal memory It is interior；

b）When each variable two-dimensional lock Quick Response Code internal processing modules cryptographic libraries in be provided with identical function Fn and close Code, which changes, is also equipped with identical function Fn and password change function subprogram in function subprogram, management server function library, As long as there is identical variate-value, when function Fn just has identical operation result, stochastic production variate-value c, variable the two of production The variable function message part in code is tieed up only comprising random generation variate-value c, single-chip microcomputer is according to random generation variate-value c and independence Function Fn, generation local password y is stored in single-chip microcomputer internal memory；

c）Be provided with the cryptographic libraries of the Quick Response Code internal processing modules of each variable two-dimensional lock multiple function Fn and and Corresponding password changes function subprogram, each function Fn and and corresponding password change function subprogram and be provided with In numbering m, management server function library, be also equipped with multiple function Fn and and corresponding password change the sub- journey of function Sequence, each function Fn and and corresponding password change function subprogram and be provided with numbering m, function Fn is identical, and has phase Same variate-value, when just having identical operation result, stochastic production variate-value c, while random call function Fn numbering m, Variable function message part in the variable two-dimension code of production includes stochastic production variate-value c, random call function Fn numbering M, single-chip microcomputer is stored in single-chip microcomputer according to random generation variate-value c and the independent function Fn of random call, generation local password y In depositing；

D) when each variable two-dimensional lock Quick Response Code internal processing modules cryptographic libraries comprise at least have it is above-mentioned a), b), c) three kinds The information of password place storage in situation in the case of two kinds, and when corresponding parsing information is also stored on server, at random Any one of the information correspondence situation stored in the cryptographic libraries for transferring the Quick Response Code internal processing modules of variable two-dimensional lock, and produce Raw corresponding Quick Response Code and the corresponding local value y of production.

B, password scan module are mainly the password for reading input through keyboard, and enter with the local password of generation inside single-chip microcomputer Row is compared, and the module has been illustrated above-mentioned, therefore is repeated no more.

The method of work of variable two-dimension code lock is as follows：

1）The two-dimentional code switch of pressing or system automatically generate Quick Response Code switching signal, system auto-initiation, inquiry variable two Tie up the lockset status information portion in the open and-shut mode generation variable two-dimension code of code lock；The cryptographic libraries in single-chip microcomputer internal memory are called, Variable function message part in gathering information production variable two-dimension code；Transfer the automatic link information generating unit of server site Point；The number of times data for calling lockset to open, generation unlocking identification variables code；Transfer other necessity of Quick Response Code Quick Response Code life generation The overall variable two-dimension code of message part generation, and be shown on variable two-dimension code display module, while single-chip microcomputer itself basis should Variable function message part parsing local password in the Quick Response Code of generation, and the information of the Quick Response Code is stored in case calling； When described variable two-dimension code includes lockset identification division, server parses lockset identification division to ensure each two-dimensional code lock Can being serviced device differentiate, while the information of whole Quick Response Code is carried out classified and stored according to different locksets, in case inquiry is adjusted With；When described variable two-dimension code includes time showing part, when lockset status information portion shows that lockset is open mode When, its show lockset open when time point value or not now show between be worth；When lockset status information portion shows that lockset is closed During state, it shows that last lockset is opened to the time value of shut-in time section；

2）Handheld client end is scanned, and gives the APP parsings in handheld client end by the variable two-dimension code of scanning, and APP, which passes through, to be solved Analyse the automatic automatic connection server in link information part of server site；APP or server are by parsing lockset status information Part judges that lockset is opening or the state of closing；Server is by parsing the variable function information portion on variable two-dimension code Point, corresponding function is searched in the server, and calculates generation and single-chip microcomputer using information is provided in variable function message part The consistent password Y of the local password of production；When described variable two-dimension code includes time showing part, lockset identification division shows Show time value, the time value is by the timer record inside single-chip microcomputer, and the value is reset and start recording when lockset is opened, Lockset is closed and is off and is recorded as definite value, and server determines the last time by parsing the time showing part on variable two-dimension code Lockset is opened to the time value of shut-in time section, to determine time that user uses, and being determined according to the time and expenses standard should To client's fee charged；When described variable two-dimension code does not include time showing part, server is according to lockset identification part Point targetedly inquire about and transfer server internal data-base recording, to determine time that user uses, according to the time and Expenses standard is determined should be to client's fee charged；

Further, the method for server counter service charge is：Server is able to record that each client corresponding account to service The Quick Response Code of device transmitting, and can judge whether the Quick Response Code that client is sent comes by the lockset identification division recognized on Quick Response Code From same lockset；For same lockset, server detects two different two dimensions with identical lockset identification division Code, and two Quick Response Codes show that lockset is closed, and the Quick Response Code of latter display lockset closed mode with it is previous The Quick Response Code of individual display lockset closed mode has the unlocking identification variables code that difference is 1, then server judges that the lock is beaten Opened, and the client user opening given tacit consent to；If the corresponding account of client is being sent with the unlocking change that difference is 1 Measure identification code and show that the period between two Quick Response Codes of lockset closed mode did not pay the service of corresponding lockset Take, then judge two should with difference for 1 unlocking identification variables yard and show lockset closed mode two Quick Response Codes it Between period be period that the lockset is user service；When described variable two-dimension code includes time showing part, clothes Business device directly reads the time showing part in the Quick Response Code of last display lockset closed mode, can just parse determination user The time used, and should be to client's fee charged according to the time and expenses standard determination；When described variable two-dimension code not During comprising time showing part, server internal database is targetedly inquired about and transferred to server according to lockset identification division Record, the time of the two clients is sent by inquiring about subscription client, the time difference obtained is that user makes to server Time, and should be to client's fee charged according to the time and expenses standard determination；

3）Server detection sends the IP or account information of the client of Quick Response Code, whether to judge the client corresponding account There is unpaid situation, information sent if then according to the corresponding expense of status inquiry in step 2, and to client end AP P, Remind client to pay outstanding charge and the specific amount of money, enter if the corresponding account of the client does not need the expense paid Enter next step；

4）Server detects lockset status information portion, when lockset status information portion shows that variable two-dimension code lock is in open shape During state, APP reminds client to report or close lockset for repairment；When lockset status information portion shows that variable two-dimension code lock is closed When, and the password Y passwords parsed in above-mentioned steps 2 are sent on the APP on user's handheld client end；

5）Reported for repairment, paid the bill according to the information of server push and with reference to actual conditions, closing lockset, or according to from service The password that device is obtained passes through input through keyboard password；

6）Single-chip microcomputer transfers local password and the password of server acquisition is compared, if single-chip microcomputer detects Password Input 3 Still incorrect after secondary, then SCM system automatically generates Quick Response Code switching signal, regenerates new Quick Response Code, variable two-dimension code New Quick Response Code is shown on display module, system returns to above-mentioned steps 1；If the correct MCU driving unlocking circuit of password will Variable two-dimension code lock is opened；

7）After user is using finishing, lockset is closed, the two-dimentional code switch of pressing obtains new Quick Response Code, and by handheld client end APP the Quick Response Code of acquisition is sent to server, system returns to above-mentioned 1st step.

Further, described power supply circuit also includes external power supply module, and external power supply module has automatic generation work( Can, when Password Input hardware components are mechanical cipher input unit, external power supply module is at least including for mechanical charge and too Sun can charge a portion in two parts；When Password Input hardware components use panel type keyboard, external power supply module Not comprising mechanical charge part.

a）Mechanical charge：By 4 combination disks, 4 cipher rotary knobs, 16 numeral identifications, microgenerator and knob hair Electric gear is constituted；Cipher rotary knob and knob generating gear are coaxially connected, are combination disk below cipher rotary knob, and combination disk is pasted onto face Plate surface, there is panel isolation between cipher rotary knob and knob generating gear, 4 knob generating gears are nibbled with motor gear simultaneously Close, 4 knob generating gears are not engaged each other, and motor gear is coaxial with microgenerator；Microgenerator output circuit is concatenated Rectifier bridge stack simultaneously connects rechargeable battery, and rechargeable battery provides electric energy for shaped variable trick lock.Such structure causes user rotating it In a cipher rotary knob when, knob generating gear also rotates, and drives the motor gear that is meshed therewith to rotate, and drives Microgenerator is generated electricity, and output current charges after passing through rectifier bridge stack rectification to rechargeable battery.

b）Solar recharging：It is made up of solar panel, voltage-regulator diode, anti-return diode；Solar panel Output reversely concatenates positive concatenation anti-return diode after voltage-regulator diode.This structure causes when sunlight strong, too Positive energy cell panel（14）Export a high voltage, voltage breakdown voltage-regulator diode（15）To rechargeable battery（7）Charged, if When light is weak, for example at night, rechargeable battery（7）It is higher than solar panel in voltage（14）Output voltage, it is positive Concatenate anti-return diode（16）Current reflux can be prevented.

Further, AT89C51 single-chip microcomputers are used in the present invention, have a high-gain anti-phase in AT89C51 chip internals Amplifier, its input is chip pin XTAL1, and its output end is pin XTAL2；And in chip internal, XTAL1 and XTAL2 Between bridging crystal oscillator and trimmer, so that a stable self-excited oscillator is constituted, here it is the clock of single-chip microcomputer Circuit.

Further, the operation principle of unlocking circuit module submodule is：When user inputs correct password, single-chip microcomputer High level signal is exported to the I/O mouths being connected with unlocking circuit module submodule, transistor saturation conduction, relay adhesive is driven Dynamic electronic fractional motor running, electronic lock is opened；Conversely, when the password of input error, single-chip microcomputer to unlocking circuit module The I/O mouths output low level of module connection, transistor cutoff, relay is unable to adhesive, and motor is inoperative.

Further, the application also includes sound light alarming circuit submodule and shock sensor module；Wherein sound and light alarm Circuit submodule is by 555 timer U2, the composition sound light alarming circuit such as loudspeaker LS1, common red light emitting diodes LED2；Shake Dynamic sensor assembly is by single-chip processor i/o mouthful connection single-chip microcomputer, when coded lock is closed and the inspection of shock sensor module Signal can be sent to single-chip microcomputer by measuring after sharp pounding, the alarm of MCU driving sound light alarming circuit submodule.

Further, the application also includes bluetooth communication, and bluetooth communication passes through single-chip processor i/o mouthful connection monolithic Machine, bluetooth communication can be communicated with handheld client end by bluetooth, and server and monolithic are realized by handheld client end Exchanging information for machine, single-chip microcomputer is sent to by handheld client end by the password obtained from server, is carried out by single-chip microcomputer close Code compares and realizes unlocking function.

The present invention has obvious beneficial effect equivalent to prior art.

First, a kind of variable two-dimension code lock, two-dimentional code switch sends switching signal after being pressed to single-chip microcomputer, and single-chip microcomputer is every Receive once the signal that two-dimentional code switch produces and regenerate a Quick Response Code, subscription client scanning Quick Response Code and by Quick Response Code It is sent to and obtains password after server, server parsing Quick Response Code and send password to client, user's reading client is close Input password, which is realized, after code unlocks, and lockset with server direct communication, need not reduce the data processing pressure of server, save The about manufacturing cost of lockset.

Second, variable two-dimension code includes Quick Response Code calibration point, lockset status information portion, variable function message part, clothes It is engaged in that the automatic link information part in device website, the automatic connection server of client can be allowed, server can pass through 2 D code information Directly judge lockset state, accurately and reliably parse lockset password.

3rd, variable two-dimension code also includes lockset identification division, by the permutation and combination of black-white point on Quick Response Code to show One numerical value that is fixed but being different from other locksets, with ensure each two-dimensional code lock being serviced device pass through Quick Response Code is recognized and differentiated, and makes Quick Response Code more intelligent.

4th, variable two-dimension code is also comprising unlocking identification variables code, by the permutation and combination of black-white point on Quick Response Code to show Show the number of times that lockset is opened, same lockset, its unlocking identification variables code 0 produced for the first time, lockset is often opened once, its Unlocking identification variables code increase by 1 on the Quick Response Code of generation, for example, the lockset originally closed, its in off position under no matter give birth to Into how many times Quick Response Code, the unlocking identification variables code in its Quick Response Code generated represents 0, after lockset is previously opened 1 time, its Quick Response Code is generated after first switching on, no matter how many times are generated, the unlocking identification variables code table in its Quick Response Code generated Show 1, before it is not opened again after lockset closing, the unlocking identification variables code in its Quick Response Code generated is also represented 1, make Quick Response Code more intelligent, be that server judges whether user is paid there is provided reference.

5th, described variable two-dimension code also includes time showing part, passes through the permutation and combination of black-white point on Quick Response Code To show time value, the time value is by the timer record inside single-chip microcomputer, and the value resets when lockset is opened and starts note Record, is off in lockset closing and is recorded as definite value；Its effect is that APP or server on user can be directly from Quick Response Codes On parse time of lockset opening, to judge charge amount, reduce the load of server storage record.

6th, Quick Response Code internal processing modules, including at least a kind of variable cipher production method in 3 kinds, allow lockset more Safe and reliable, the more production of variable cipher provides tool method.

7th, keyboard password input submodule can be using the input of existing panel and keypad, moreover it is possible to using creative New mechanical input through keyboard, is designed more flexible.

8th, the method for work of variable two-dimension code lock is rigorous, flexible, reliable, it is ensured that two-dimensional code lock two-dimensional code lock is normal Effective work.

9th, described power supply circuit also includes external power supply module, and external power supply module has automatic generation function, when When Password Input hardware components are mechanical cipher input unit, external power supply module at least includes being mechanical charge and solar charging A portion in electric two parts；When Password Input hardware components use panel type keyboard, external power supply module does not include Mechanical charge part；Mechanical charge part is ingenious in design, and input password can just generate electricity.

Tenth, the application also includes sound light alarming circuit submodule and shock sensor module and closes shape when coded lock is in State and shock sensor module are detected can send signal to single-chip microcomputer after sharp pounding, MCU driving sound light alarming circuit Module is alarmed.

11st, the application also includes bluetooth communication, and bluetooth communication passes through single-chip processor i/o mouthful connection monolithic Machine, bluetooth communication can be communicated with handheld client end by bluetooth, and server and monolithic are realized by handheld client end Exchanging information for machine, single-chip microcomputer is sent to by handheld client end by the password obtained from server, is carried out by single-chip microcomputer close Code compares and realizes unlocking function.

Brief description of the drawings

Fig. 1 is present system fundamental diagram.

Fig. 2 constitutes one of framework illustrated example for variable two-dimension code in the present invention.

Fig. 3 is unlocking circuit of the present invention.

Fig. 4 is that invention keyboard scan controls circuit.

Fig. 5 is shaped variable trick lock automatic generating structure schematic diagram of the present invention.

Fig. 6 is coded lock matrix keyboard cross-sectional view of the present invention.

In figure it is each marked as：1：Combination disk, 2：Numeral identification, 3：Cipher rotary knob, 4：Microgenerator, 5：Knob generating tooth Wheel, 6：Rectifier bridge stack, 7：Rechargeable battery, 8：Shaped variable trick lock, 9：Quick Response Code calibration point, 10：Lockset status information portion, 11： Variable function message part, 12：The automatic link information part of server site, 13：Lockset identification division, 14：Solar cell Plate, 15：Voltage-regulator diode, 16：Anti-return diode, 17：Button pallet, 18：Cross recess, 19：Force turns round nail, 20：Elastic force is pressed Press key, 21 keyboard conductive rubbers, 22：Cipher lock panel, 23：Back-moving spring, 24：Unlocking identification variables code, 25：Time showing portion Point, 26：Other necessary information parts.

Embodiment

Below in conjunction with the accompanying drawings 1 to 6 and embodiment, the invention will be further described, but present disclosure is not limited to The scope.

Variable two-dimension code display module is connected with single-chip microcomputer, and it shows variable two-dimension code, and variable two-dimension code includes Quick Response Code Calibration point (9), lockset status information portion (10), variable function message part (11), the automatic link information portion of server site Divide (12)；Quick Response Code calibration point (9) is arranged on any three angles in four angles of Quick Response Code, and Quick Response Code is confirmed to system Direction；Lockset status information portion (10) is by the permutation and combination of black-white point on Quick Response Code to show that lockset is opening or closing State；Variable function message part (11) by the permutation and combination of black-white point on Quick Response Code with show at least one numerical value or One function code of display shows at least one numerical value and a function code；The automatic link information part of server site (12) by the permutation and combination of black-white point on Quick Response Code with the website of display server, it is ensured that automatically opened up after Quick Response Code is scanned The APP or server site of lockset are controlled, the automated communications with server are realized eventually through mobile phone.

Variable two-dimension code described if necessary also includes lockset identification division (13), passes through the arrangement of black-white point on Quick Response Code Combination is to show a numerical value that is fixed but being different from other locksets, to ensure that each two-dimensional code lock can be by Server is recognized and differentiated by Quick Response Code.

Further, described variable two-dimension code passes through black-white point on Quick Response Code also comprising unlocking identification variables code (24) Permutation and combination to show number of times that lockset is opened, same lockset, its unlocking identification variables code (24) 0 produced for the first time, Lockset is often opened once, unlocking identification variables code (24) increase by 1 on its Quick Response Code produced, for example, the lock originally closed Tool, its in off position under no matter generate how many times Quick Response Code, the unlocking identification variables code (24) in its Quick Response Code generated is 0 is represented, after lockset is previously opened 1 time, it generates Quick Response Code after first switching on, no matter generate how many times, what it was generated Unlocking identification variables code (24) in Quick Response Code represents 1, before it is not opened again after lockset closing, what it was generated Unlocking identification variables code (24) in Quick Response Code also represents 1.

Further, described variable two-dimension code also includes time showing part (25), passes through black-white point on Quick Response Code Permutation and combination is to show time value, and the time value is reset by the timer record inside single-chip microcomputer, the value when lockset is opened And start recording, it is off in lockset closing and is recorded as definite value；Its effect is that APP or server on user can be direct The time of lockset opening is parsed from Quick Response Code, to judge charge amount, the load of server storage record is reduced.

1）Each variable two-dimension code lock is provided with the numbering n of oneself, the corresponding Quick Response Code inter-process mould of n-th of two-dimensional code lock It is provided with the cryptographic libraries of block and changes function subprogram containing an independent function Fn and password；Identical function Fn And password changes function subprogram and existed in management server function library, as long as there is identical variate-value, just has simultaneously Identical operation result；Open two-dimentional code switch or SCM system is automatically generated after Quick Response Code switching signal, variable two-dimensional Variable two-dimension code is shown on code display module, Quick Response Code internal processing modules automatically generate described variable two-dimension code, therein Variable function message part (11) display content in variable two-dimension code includes two-dimensional code lock numbering, variate-value, described variable The random generation of value；

2）Identical function Fn and password are provided with the cryptographic libraries of the Quick Response Code internal processing modules of each variable two-dimensional lock Change function subprogram；Identical function Fn is also equipped with management server function library and password changes function subprogram only； As long as there is identical variate-value, function Fn just has identical operation result；Open two-dimentional code switch or SCM system certainly After dynamic generation Quick Response Code switching signal, variable two-dimension code, Quick Response Code internal processing modules are shown on variable two-dimension code display module Variable function message part (11) display content automatically generated in described variable two-dimension code, variable two-dimension code therein is included Variate-value, described variate-value is generated at random；

3）Be provided with the cryptographic libraries of the Quick Response Code internal processing modules of each variable two-dimensional lock multiple function Fn and and Corresponding password changes function subprogram, each function Fn and and corresponding password change function subprogram and be provided with Numbering m；In management server function library, be also equipped with multiple function Fn and and corresponding password change the sub- journey of function Sequence, each function Fn and and corresponding password change function subprogram and be provided with numbering m；Function Fn is identical, and has phase Same variate-value, just has identical operation result, described variate-value is generated at random.

Open two-dimentional code switch or SCM system is automatically generated after Quick Response Code switching signal, variable two-dimension code shows mould Variable two-dimension code is shown on block, Quick Response Code internal processing modules automatically generate described variable two-dimension code, variable two-dimensional therein Variable function message part (11) display content in code includes function Fn, coding m, function variable value, described variate-value with Machine is generated.

A, Password Input hardware components are mechanical cipher input unit, by 4 combination disks（1）, 4 cipher rotary knobs（3）, 16 numbers Code mark（2）, cipher rotary knob（3）, button pallet（17）, cross recess（18）, force turn round nail（19）, elastic force pressing key（20）, key Disk conductive rubber（21）, cipher lock panel（22）, back-moving spring（23）Constitute；Cipher rotary knob（3）With cipher lock panel（22）It Between be provided with back-moving spring（23）, cipher rotary knob（3）Axle be sleeve structure, nested knob generating gear（5）Upper shaft, the axle It is provided with cross recess（18）, cipher rotary knob（3）Quill on the inside of provided with force turn round nail（19）, embedded knob generating gear（5） The cross recess of upper shaft（18）Interior, such structure causes user in rotational password knob（3）At this time, force turns round nail（19）Place In cross recess（18）Horizontal clearance in, will not produce and push maloperation；Cipher rotary knob（3）The bottom of quill be welded with bullet Power presses key（20）, elastic force pressing key（20）Lower section be button pallet（17）, the button pallet（17）By connection sheet with it is upper The cipher lock panel of side（22）It is fixed, the button pallet（17）It is pasted with keyboard conductive rubber（21）, turn to set password position After putting, cipher rotary knob is pressed down on（3）, elastic force pressing key（20）With button pallet（17）Upper keyboard conductive rubber（21）Contact Conducting, inputs a password value；When hand decontrols cipher rotary knob（3）When, in the presence of back-moving spring, set back；

(e) return to that step (a) is continuous to do key scan；

Password determining program is placed in main program, is read when having button, is judged when determination key is pressed；Set in a program The password and 4 bytes of the space storage setting of 4 bytes deposit the data of input through keyboard；According to the keyboard data and single-chip microcomputer of reading Local password successive appraximation that inside is automatically generated it may determine that the correctness of input password, if password is correct, unlocks, if Incorrect, then Password Input counting how many times element count, does not reach such as 3 times, returns to keyboard scan module to ensure that user obtains There are the chance of 3 this input password, if Password Input number of times reaches that 3 passwords are not still right, SCM system after one password Quick Response Code switching signal is automatically generated, new Quick Response Code is regenerated.

B, Password Input hardware components use panel type keyboard, and 0 to 9 totally 10 keys are provided with keyboard, are used in design The I/O connection keyboards of single-chip microcomputer, password is directly inputted by keyboard, password scan module by read the password of input through keyboard with The local password automatically generated inside piece machine is compared, if password is correct, unlocks, if incorrect, Password Input number of times Counting unit counts, do not reach such as 3 times, return to keyboard scan module to ensure that user has 3 this input close after obtaining a password The chance of code, if Password Input number of times reaches that 3 passwords are not still right, SCM system automatically generates two-dimentional code switch letter Number, regenerate new Quick Response Code.Because using the technology of panel type input through keyboard password for prior art, therefore repeat no more.

A, initialization module are run in start, when two-dimentional code switch is opened or system automatically generates two-dimentional code switch letter After number, system is initialized automatically, the lockset then inquired about in the open and-shut mode generation variable two-dimension code of variable two-dimension code lock Status information portion (10)；Call the variable function in the cryptographic libraries in single-chip microcomputer internal memory, gathering information production variable two-dimension code Message part (11)；Transfer the automatic link information generating portion of server site；Transfer the other of Quick Response Code Quick Response Code life generation The overall variable two-dimension code of necessary information part (26) generation, wherein transferring the method for work of function information part is：

The method of work of variable two-dimension code lock is as follows：

1）The two-dimentional code switch of pressing or system automatically generate Quick Response Code switching signal, system auto-initiation, inquiry variable two Tie up the lockset status information portion (10) in the open and-shut mode generation variable two-dimension code of code lock；Call the password in single-chip microcomputer internal memory Variable function message part (11) in storehouse, gathering information production variable two-dimension code；Transfer the automatic link information of server site Generating portion；The number of times data for calling lockset to open, generation unlocking identification variables code (24)；Transfer the life generation of Quick Response Code Quick Response Code The overall variable two-dimension code of other necessary information parts (26) generation, and be shown on variable two-dimension code display module, while single Piece machine itself parses local password according to the variable function message part (11) in the Quick Response Code of the generation, and by the Quick Response Code Information is stored in case calling；When described variable two-dimension code includes lockset identification division (13), server parsing lockset identification Partly (13) with ensure each two-dimensional code lock being serviced device differentiate, while the information of whole Quick Response Code according to different locks Tool carries out classified and stored, in case query calls；When described variable two-dimension code includes time showing part (25), when lockset shape State message part (10) show lockset be open mode when, its show lockset open when time point value or not now show between Value；When lockset status information portion (10) shows lockset closed mode, it shows that last lockset is opened to shut-in time section Time value；

2）Handheld client end is scanned, and gives the APP parsings in handheld client end by the variable two-dimension code of scanning, and APP, which passes through, to be solved Analyse the automatic connection server of the automatic link information part (12) of server site；APP or server are by parsing lockset state Message part (10) judges that lockset is opening or the state of closing；Server is by parsing the variable function on variable two-dimension code Message part (11), searches in corresponding function, and use variable function message part (11) and provides information meter in the server Calculate the generation password Y consistent with the local password of single-chip microcomputer production；When described variable two-dimension code includes time showing part (25) when, lockset identification division (13) shows time value, and the time value is by the timer record inside single-chip microcomputer, and the value is in lock Reset and start recording when tool is opened, be off in lockset closing and be recorded as definite value, server is by parsing variable two-dimension code On time showing part (25) determine that last lockset is opened to the time value of shut-in time section, with determine that user uses when Between, being determined according to the time and expenses standard should be to client's fee charged；When described variable two-dimension code is aobvious not comprising the time When showing part (25), server is targetedly inquired about and transferred server internal database according to lockset identification division (13) and remembers Record, to determine time that user uses, being determined according to the time and expenses standard should be to client's fee charged；

Further, the method for server counter service charge is：Server is able to record that each client corresponding account to service The Quick Response Code of device transmitting, and can judge that the Quick Response Code that client is sent is by the lockset identification division (13) recognized on Quick Response Code It is no to come from same lockset；For same lockset, server detects two with identical lockset identification division (13) not Same Quick Response Code, and two Quick Response Codes show that lockset is closed, and the two dimension of latter display lockset closed mode Code and the Quick Response Code of previous display lockset closed mode have the unlocking identification variables code (24) that difference is 1, then server Judge that the lock is previously opened, and the client user opening given tacit consent to；If the corresponding account of client is being sent with poor It is worth the unlocking identification variables code (24) for 1 and shows that the period between two Quick Response Codes of lockset closed mode does not pay Cross the service charge of corresponding lockset, then judges two should with difference for 1 unlocking identification variables yard (24) and show lockset pass Period between two Quick Response Codes of closed state is the period that the lockset is user service；When described variable two-dimension code bag During part containing time showing (25), the time that server is directly read in the Quick Response Code of last display lockset closed mode shows Show part (25), can just parse the time for determining that user uses, and determine to collect to client according to the time and expenses standard Expense；When described variable two-dimension code does not include time showing part (25), server is according to lockset identification division (13) Server internal data-base recording is targetedly inquired about and transferred, the two are sent by inquiring about subscription client to server The time of client, the time difference obtained is the time that user uses, and should be to visitor according to the time and expenses standard determination Family fee charged；

4）Server detection lockset status information portion (10), when lockset status information portion (10) is shown at variable two-dimension code lock When open mode, APP reminds client to report or close lockset for repairment；When lockset status information portion (10) shows variable two-dimension code lock When being closed, and the password Y passwords parsed in above-mentioned steps 2 are sent on the APP on user's handheld client end；

a）Mechanical charge：By 4 combination disks（1）, 4 cipher rotary knobs（3）, 16 numeral identifications（2）, microgenerator （4）And knob generating gear（5）Constitute；Cipher rotary knob（3）With knob generating gear（5）It is coaxially connected, cipher rotary knob（3）Under Face is combination disk（1）, combination disk（1）It is pasted onto panel surface, cipher rotary knob（3）With knob generating gear（5）Between have panel Isolation, 4 knob generating gears（5）While and motor gear（24）Engagement, 4 knob generating gears（5）Do not engage each other, electricity Machine gear（24）With microgenerator（4）Coaxially；Microgenerator（4）Output circuit concatenates rectifier bridge stack（6）And connect charging electricity Pond（7）, rechargeable battery（7）For shaped variable trick lock（8）Electric energy is provided.Such structure causes user rotating one of password Knob（3）When, knob generating gear（5）Also rotate, drive the motor gear being meshed therewith（24）Rotate, drive Microgenerator（4）Generated electricity, output current passes through rectifier bridge stack（6）To rechargeable battery after rectification（7）Charged.

b）Solar recharging：By solar panel（14）, voltage-regulator diode（15）, anti-return diode（16）Constitute； Solar panel（14）Output reversely concatenates voltage-regulator diode（15）It is positive afterwards to concatenate anti-return diode（16）.This structure So that when sunlight strong, solar panel（14）Export a high voltage, voltage breakdown voltage-regulator diode（15）It is right Rechargeable battery（7）Charged, if light is weak, for example at night, rechargeable battery（7）It is higher than solar-electricity in voltage Pond plate（14）Output voltage, forward direction concatenation anti-return diode（16）Current reflux can be prevented.

Further, the operation principle of unlocking circuit module submodule is：When user inputs correct password, single-chip microcomputer High level signal is exported to the I/O mouths being connected with unlocking circuit module submodule, transistor saturation conduction, relay adhesive is driven Dynamic electronic fractional motor running, electronic lock is opened；Conversely, when the password of input error, single-chip microcomputer to unlocking circuit module The I/O mouths output low level of module connection, transistor cutoff, relay is unable to adhesive, and motor is inoperative；Described

Further, the application also includes sound light alarming circuit submodule and shock sensor module；Wherein sound light alarming circuit Submodule is by 555 timer U2, the composition sound light alarming circuit such as loudspeaker LS1, common red light emitting diodes LED2；Vibrations are passed Sensor module is by single-chip processor i/o mouthful connection single-chip microcomputer, when coded lock is closed and shock sensor module is detected Signal, the alarm of MCU driving sound light alarming circuit submodule can be sent after sharp pounding to single-chip microcomputer.

Claims

1. a kind of variable two-dimension code lock, it is characterised in that：It is based on minimum SCM system, including variable two-dimension code shows mould Block, Quick Response Code internal processing modules, keyboard password input submodule, power supply circuit, reset oscillating circuit, unlocking circuit, two dimension Code switch, lockset state detection module, internal clocking module, and lock the server used cooperatively with the variable two-dimension code；Can Change two-dimensional code lock, which is internally provided with primary control program, server, is also equipped with server control program；Keyboard password inputs submodule Block, unlocking circuit, two-dimentional code switch pass through single-chip processor i/o mouthful connection single-chip microcomputer；Power supply circuit, reset oscillating circuit are using minimum Power supply circuit and reset oscillating circuit that SCM system matches；Unlocking circuit be used for control variable two-dimension code lock opening and Close；Lockset state detection module belongs to a subprogram in primary control program inside single-chip microcomputer, by detect single-chip microcomputer to The high level or low level signal that the I/O mouths of unlocking circuit module submodule connection are sent are to beat judge variable two-dimension code lock The state that on or off is closed, two-dimentional code switch sends switching signal after being pressed to single-chip microcomputer, and single-chip microcomputer often receives once two-dimentional The signal that code switch is produced regenerates a Quick Response Code；Subscription client scans Quick Response Code and Quick Response Code is sent into service Password is obtained after device, server parsing Quick Response Code and sends password to client, is inputted after user's reading client password close Code, which is realized, unlocks.

2. a kind of variable two-dimension code lock according to claim 1, it is characterised in that：Variable two-dimension code display module and monolithic Machine is connected, and it shows variable two-dimension code, and variable two-dimension code includes Quick Response Code calibration point (9), lockset status information portion (10), change The automatic link information part (12) of flow function message part (11), server site；Quick Response Code calibration point (9) is arranged on Quick Response Code On any three angles in four angles, the direction of Quick Response Code is confirmed to system；Lockset status information portion (10) passes through two dimension The permutation and combination of black-white point is to show that lockset is opening or the state of closing on code；Variable function message part (11) passes through two The permutation and combination of black-white point on code is tieed up to show at least one numerical value or one function code of display or show that at least one is counted Value and a function code；The automatic link information part (12) of server site by the permutation and combination of black-white point on Quick Response Code with The website of display server, it is ensured that the APP or server site of control lockset are automatically opened up after Quick Response Code is scanned, it is final logical Cross mobile phone realization and the automated communications of server.

3. a kind of variable two-dimension code lock according to claim 2, it is characterised in that：Variable two-dimension code is also recognized comprising lockset Partly (13), by the permutation and combination of black-white point on Quick Response Code with show one it is fixed but be different from other locksets One numerical value, with ensure each two-dimensional code lock being serviced device recognize and differentiate by Quick Response Code.

4. a kind of variable two-dimension code lock according to Claims 2 or 3, it is characterised in that：Described variable two-dimension code is also wrapped The code of identification variables containing unlocking (24), it is same by the permutation and combination of black-white point on Quick Response Code to show number of times that lockset is opened Individual lockset, its unlocking identification variables code (24) produced for the first time is 0, and lockset is often opened once, on its Quick Response Code produced Unlocking identification variables code (24) increase by 1, for example, the lockset originally closed, its in off position under no matter generate how many times two dimension Unlocking identification variables code (24) in code, its Quick Response Code generated represents 0, and after lockset is previously opened 1 time, its first time beats Quick Response Code is generated after opening, no matter how many times are generated, the unlocking identification variables code (24) in its Quick Response Code generated represents 1, Before it is not opened again after lockset closing, the unlocking identification variables code (24) in its Quick Response Code generated is also represented 1。

5. a kind of variable two-dimension code lock according to Claims 2 or 3, it is characterised in that：Described variable two-dimension code is also wrapped Part containing time showing (25), by the permutation and combination of black-white point on Quick Response Code to show time value, the time value passes through monolithic Timer record inside machine, the value is reset and start recording when lockset is opened, and is closed in lockset and is off and is recorded as to determine Value；Its effect is that APP or server on user can directly parse the time of lockset opening from Quick Response Code, to judge Charge amount, reduces the load of server storage record.

6. a kind of variable two-dimension code lock according to claim 4, it is characterised in that：When described variable two-dimension code is also included Between display portion (25), by the permutation and combination of black-white point on Quick Response Code to show time value, the time value passes through in single-chip microcomputer The timer record in portion, the value is reset and start recording when lockset is opened, and is off in lockset closing and is recorded as definite value；Its Effect is that APP or server on user can directly parse the time of lockset opening from Quick Response Code, to judge charge Number, reduces the load of server storage record.

7. a kind of variable two-dimension code lock according to Claims 2 or 3, it is characterised in that：Quick Response Code internal processing modules, bag Control program containing following 3 kinds of at least one, and internal module is the part in primary control program：

3）Be provided with the cryptographic libraries of the Quick Response Code internal processing modules of each variable two-dimensional lock multiple function Fn and and Corresponding password changes function subprogram, each function Fn and and corresponding password change function subprogram and be provided with Numbering m；In management server function library, be also equipped with multiple function Fn and and corresponding password change the sub- journey of function Sequence, each function Fn and and corresponding password change function subprogram and be provided with numbering m；Function Fn is identical, and has phase Same variate-value, just has identical operation result, described variate-value is generated at random；Open two-dimentional code switch or single-chip microcomputer System is automatically generated after Quick Response Code switching signal, is shown on variable two-dimension code display module inside variable two-dimension code, Quick Response Code Manage in variable function message part (11) display in the variable two-dimension code described in Module Generation, variable two-dimension code therein Appearance includes function Fn, coding m, function variable value, and described variate-value is generated at random.

8. a kind of variable two-dimension code lock according to claim 4, it is characterised in that：Quick Response Code internal processing modules, comprising 3 kinds of at least one, and the control program of internal module is the part in primary control program below：

9. a kind of variable two-dimension code lock according to claim 5, it is characterised in that：Quick Response Code internal processing modules, comprising 3 kinds of at least one, and the control program of internal module is the part in primary control program below：

10. a kind of variable two-dimension code lock according to claim 6, it is characterised in that：Quick Response Code internal processing modules, comprising 3 kinds of at least one, and the control program of internal module is the part in primary control program below：

3）Be provided with the cryptographic libraries of the Quick Response Code internal processing modules of each variable two-dimensional lock multiple function Fn and and Corresponding password changes function subprogram, each function Fn and and corresponding password change function subprogram and be provided with Numbering m；In management server function library, be also equipped with multiple function Fn and and corresponding password change the sub- journey of function Sequence, each function Fn and and corresponding password change function subprogram and be provided with numbering m；Function Fn is identical, and has phase Same variate-value, just has identical operation result, described variate-value is generated at random；

Open two-dimentional code switch or SCM system is automatically generated after Quick Response Code switching signal, on variable two-dimension code display module Variable two-dimension code is shown, Quick Response Code internal processing modules are automatically generated in described variable two-dimension code, variable two-dimension code therein Variable function message part (11) display content include function Fn, coding m, function variable value, described variate-value gives birth at random Into.