CN106097496B - Control of bluetooth access management system, control of bluetooth access equipment and its time calibrating method - Google Patents
Control of bluetooth access management system, control of bluetooth access equipment and its time calibrating method Download PDFInfo
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- CN106097496B CN106097496B CN201610402266.8A CN201610402266A CN106097496B CN 106097496 B CN106097496 B CN 106097496B CN 201610402266 A CN201610402266 A CN 201610402266A CN 106097496 B CN106097496 B CN 106097496B
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- time
- door open
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/20—Individual registration on entry or exit involving the use of a pass
- G07C9/27—Individual registration on entry or exit involving the use of a pass with central registration
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00309—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Lock And Its Accessories (AREA)
Abstract
The invention discloses a kind of control of bluetooth access management system, control of bluetooth access equipment and its time calibrating methods, the time calibrating method of the control of bluetooth access equipment includes: to receive door open command transmitted by multiple Bluetooth terminals, and obtain the local reception time of each door open command, wherein, the door open command includes terminal current time；According to local reception time corresponding to each door open command and terminal current time, prover time value is calculated；According to the prover time value calibration local clock.Local clock can be calibrated when control of bluetooth access equipment leads to local clock inaccuracy due to being exhausted by adverse circumstances or battery is influenced by implementing technical solution of the present invention；Moreover, additional cost will not be generated.
Description
Technical field
The present invention relates to intelligence community field more particularly to a kind of control of bluetooth access management system, control of bluetooth access equipment and its
Time calibrating method.
Background technique
With the development of modern people's improvement of living standard and community, people propose living conditions higher and higher
The safety precaution of demand, community also has been to be concerned by more and more people.With the rapid development of digitizing technique and network technology,
Gate inhibition's technology is also grown rapidly, it has surmounted simple gateway and key management already, and it is a set of complete for being developing progressively
Whole access management system becomes and solves the effective measures that important department entrance realizes safety precaution management.
However, access control equipment is generally arranged at cell doorway or unit building doorway, vulnerable to adverse circumstances (such as wind and rain thunder
Electricity) it influences, alternatively, access control equipment when battery exhausts, can all cause local clock the error of minute grade occur, to make its institute
The transit time inaccuracy of record, is unfavorable for access control system to the room entry/exit management of personnel.
Summary of the invention
The technical problem to be solved in the present invention is that easily there is error in the above-mentioned local clock pulses for the prior art
Defect provides a kind of control of bluetooth access management system, control of bluetooth access equipment and its time calibrating method, when can calibrate local automatically
Clock.
The technical solution adopted by the present invention to solve the technical problems is: constructing a kind of time calibration of control of bluetooth access equipment
Method, comprising:
When S10. receiving door open command transmitted by multiple Bluetooth terminals, and obtaining the local reception of each door open command
Between, wherein the door open command includes terminal current time；
S20. the local reception time and terminal current time according to corresponding to each door open command calculates prover time
Value；
S30. according to the prover time value calibration local clock.
Preferably, the step S20 includes:
S21. terminal current time corresponding to each door open command is subtracted each other with the local reception time respectively, to obtain phase
The time difference answered；
S22. it averages to acquired time difference；
S23. local current time is added with the average value, to obtain prover time value.
Preferably, between the step S21 and the step S22, also respectively to corresponding to each door open command when
Between difference carry out the following processing:
S24. judge whether time difference corresponding to the door open command is less than preset value, if so, rejecting the enabling
The corresponding time difference of instruction, wherein the preset value is less than 0.
Preferably, between the step S21 and the step S22, further includes:
S25. the disposal of gentle filter is carried out to acquired time difference.
The present invention also constructs a kind of control of bluetooth access equipment, comprising:
Bluetooth module for receiving door open command transmitted by multiple Bluetooth terminals, and obtains the sheet of each door open command
Ground receiving time, wherein the door open command includes terminal current time；
Computing module is calculated for the local reception time according to corresponding to each door open command and terminal current time
Prover time value；
Calibration module, for according to the prover time value calibration local clock.
Preferably, the computing module includes:
Subtrator, for respectively by terminal current time corresponding to each door open command and local reception time phase
Subtract, to obtain corresponding time difference；
Equal value cell, for averaging to acquired time difference；
Addition unit, for local current time to be added with the average value, to obtain prover time value.
Preferably, the computing module includes:
Culling unit, for judging whether time difference corresponding to the door open command is less than preset value, if so, picking
Except time difference corresponding to the door open command；Wherein, the preset value is less than 0.
Preferably, further includes:
Filter unit, for carrying out the disposal of gentle filter to acquired time difference.
The present invention also constructs a kind of control of bluetooth access management system, including Bluetooth terminal and above-described control of bluetooth access are set
It is standby.
Implement technical solution of the present invention, control of bluetooth access equipment is extracted terminal therein and worked as when receiving door open command
Preceding time, and the local reception time of recording instruction.Moreover, the local reception time corresponding according to multiple door open commands difference
And terminal current time can calculate prover time value, and then use the prover time value calibration local clock.On the one hand, exist
When control of bluetooth access equipment leads to local clock inaccuracy due to being exhausted by adverse circumstances or battery is influenced, can to local clock into
Row calibration, thus can accurate recording user transit time, provide guarantee for the room entry/exit management of cell personnel；Another party
Face is the terminal current time in door open command as based on, so not needing to be additionally provided when calibrating local clock
Standard clock signal (such as GPS signal), therefore additional cost will not be generated.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing:
Fig. 1 is the flow chart of the time calibrating method embodiment one of control of bluetooth access equipment of the present invention；
Fig. 2 is the flow chart of step S20 embodiment one in Fig. 1；
Fig. 3 is the building-block of logic of control of bluetooth access apparatus embodiments one of the present invention；
Fig. 4 is the building-block of logic that module embodiments one are calculated in Fig. 3.
Specific embodiment
Fig. 1 is the flow chart of the time calibrating method embodiment one of control of bluetooth access equipment of the present invention, the bluetooth of the embodiment
The time calibrating method of access control equipment the following steps are included:
Step S10: receiving door open command transmitted by multiple Bluetooth terminals, and obtains the local reception of each door open command
Time, wherein the door open command includes terminal current time.
In this step, it should be noted that, the resident in cell can pass through institute when prohibiting door using the enabling of its Bluetooth terminal
The bluetooth connection channel of foundation sends door open command to control of bluetooth access equipment, alternatively, broadcast door open command.The door open command includes
First encryption information and the second encryption information.Wherein, the first encryption information is that background server believes user identifier using private key
The information such as breath, room number information, user password, validity period carry out encrypting information generated, and user infuses before first use
When volume, Bluetooth terminal receives the first encryption information transmitted by background server, and is carried out using public key to the first encryption information
Decryption, to obtain user password.And the second encryption information be Bluetooth terminal using user password to the MAC of control of bluetooth access equipment
Location, terminal current time, door opening command carry out encrypting information generated.Control of bluetooth access equipment is sent out receiving Bluetooth terminal
After the door open command sent, the first encryption information is decrypted using public key first, user password is got, then reuses use
The second encryption information is decrypted in family password, can get terminal current time.In a concrete instance, preset time
Section is, for example, 8 hours, if 100 door open commands are received in 8 hours altogether, and the local for recording each door open command respectively connects
Between time receiving, moreover, terminal current time can be got by carrying out parsing by clamshell doors instruction.
Step S20: according to local reception time corresponding to each door open command and terminal current time, when calculating calibration
Between be worth.
In this step, if control of bluetooth access equipment leads to local clock not due to being exhausted by adverse circumstances or battery influences
Standard, then (bluetooth is whole for the local reception time (clock signal of control of bluetooth access equipment itself) of door open command and terminal current time
The clock signal at end) it will will appear biggish error (minute rank), the time of the transmission of instruction is relatively negligible, therefore can
Prover time value is calculated according to the terminal current time in multiple door open commands.
Step S30: according to the prover time value calibration local clock.
After calibrating local clock, control of bluetooth access equipment can accurately record the transit time of user, particularly with logical
Cross enabling of swiping the card user or by passwords of visitors open the door user (control of bluetooth access equipment also supports swipe the card enabling and passwords of visitors
It opens the door).
Implement the technical solution of the embodiment, control of bluetooth access equipment extracts terminal therein when receiving door open command
Current time, and the local reception time of recording instruction.Moreover, when according to local reception corresponding to multiple door open commands difference
Between and terminal current time can calculate prover time value, and then use the prover time value calibration local clock.On the one hand,
It, can be to local clock when control of bluetooth access equipment leads to local clock inaccuracy due to being exhausted by adverse circumstances or battery is influenced
Calibrated, thus can accurate recording user transit time, provide guarantee for the room entry/exit management of cell personnel；It is another
Aspect is the terminal current time in door open command as based on, so not needing additionally to mention when calibrating local clock
For standard clock signal (such as GPS signal), therefore additional cost will not be generated.
Fig. 2 is the flow chart of step S20 embodiment one in Fig. 1, and the step S20 of the embodiment includes:
Step S21: terminal current time corresponding to each door open command is subtracted each other with the local reception time respectively, to obtain
Take corresponding time difference；
Step S22: it averages to acquired time difference；
Step S23: local current time is added with the average value, to obtain prover time value.
In a specific embodiment, if certain control of bluetooth access equipment respectively 8:21,8:28,8:31,8:33,8:34,
8:39,8:40,8:41,8:43,8:45 (local reception time) receive door open command, altogether ten door open commands, and this ten
Terminal current time in a door open command be followed successively by 8:24,8:30,8:35,8:37,8:37,8:41,8:39,8:45,8:46,
8:48.Then in the step s 21, respectively by terminal current time corresponding to this ten door open commands and local reception time phase
Subtract, acquired time difference (minute) is successively are as follows: 3,2,4,4,3,2, -1,4,3,3.In step S22, to this ten times
Difference is averaged, and it is about 3 minutes (being accurate to minute) that average value, which can be obtained,.In step S23, if the sheet of control of bluetooth access equipment
Ground current time is 8:50, then can calculate prover time value is 8:53.After using the prover time value calibration local clock,
The clock signal of control of bluetooth access equipment just restores accurate.
Further, control of bluetooth access equipment is influenced and causes local clock pulses inaccurate being exhausted by adverse circumstances or battery
When true, generally it can all be lagged than the standard time, without advanced very much, for example, 5 minutes evenings were normal, but not in advance 20
Minute.Based on this, getting multiple door open commands respectively after corresponding time difference, step S21 and step S22 it
Between, can also further comprise:
Step S24: judging whether time difference corresponding to the door open command is less than preset value, should if so, rejecting
Time difference corresponding to door open command, wherein the preset value is less than 0, and for example, -15 minutes.
For example, in one example, if time difference corresponding to multiple door open commands (minute) be respectively as follows: 3 ... ,-
25 ..., 2, then " -25 " in this group of time difference can be weeded out, only be averaged to remaining time difference.
Still further, by personal habits or it is various other due to, the clock signal and mark of the Bluetooth terminal of user
May also there be error between punctual.Based on this, when being calculated according to terminal current time, when in order to obtain more accurate calibration
Between be worth, between step S21 and step S22, may also include that
Step S25: the disposal of gentle filter is carried out to acquired time difference.
For example, in one example, if time difference corresponding to multiple door open commands (minute) is respectively as follows: 3,19,4,
4,3,2, -13,4,3,3, then can by this group of time difference maximum value " 19 " and minimum value " -13 " weed out, only to remaining
Time difference average.
Fig. 3 is the building-block of logic of control of bluetooth access apparatus embodiments one of the present invention, the control of bluetooth access equipment packet of the embodiment
Include the bluetooth module 110, computing module 120 and calibration module 130 being sequentially connected.Wherein, bluetooth module 110 is multiple for receiving
Door open command transmitted by Bluetooth terminal, and obtain the local reception time of each door open command, wherein the door open command packet
Include terminal current time.Computing module 120 is current for local reception time and terminal according to corresponding to each door open command
Time calculates prover time value.Calibration module 130 is used for according to the prover time value calibration local clock.
Fig. 4 is the building-block of logic that module embodiments one are calculated in Fig. 3, and the computing module of the embodiment includes subtrator
121, culling unit 124, filter unit 125, equal value cell 122 and addition unit 123.Wherein, subtrator 121 is for distinguishing
Terminal current time corresponding to each door open command is subtracted each other with the local reception time, to obtain corresponding time difference.It picks
Except unit 124 is for judging whether time difference corresponding to the door open command is less than preset value, if so, rejecting the enabling
The corresponding time difference of instruction；Wherein, the preset value is less than 0.Filter unit 125 be used for acquired time difference into
Row the disposal of gentle filter.Equal value cell 122 is for averaging to acquired time difference.Addition unit 123 is used to incite somebody to action this
Ground current time is added with the average value, to obtain prover time value.
It is above in a specific embodiment of the invention, it in other embodiments, can also be by above-mentioned culling unit 124
It is deleted at least one of filter unit 125, that is, getting multiple door open commands corresponding time difference respectively
Afterwards, operation of averaging directly is carried out.
The present invention also constructs a kind of control of bluetooth access management system, includes server, multiple Bluetooth terminals and is respectively set
The control of bluetooth access equipment on cell doorway or unit building doorway.Bluetooth terminal is, for example, smart phone, tablet computer etc..Control of bluetooth access
The logical construction of equipment can refer to described previously, and this will not be repeated here.User using its Bluetooth terminal send door open command after,
Control of bluetooth access equipment verifies the received door open command of institute, if being verified, clearance of opening the door, at this point, control of bluetooth access is set
It is standby also to will record user identifier and transit time, a current record is formed, and be uploaded to server.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should be included within scope of the presently claimed invention.
Claims (9)
1. a kind of time calibrating method of control of bluetooth access equipment characterized by comprising
S10. door open command transmitted by multiple Bluetooth terminals is received, and obtains the local reception time of each door open command,
In, the door open command includes the first encryption information and the second encryption information, wherein first encryption information is background service
Device carries out encrypting information generated using private key to user identity information, room number information, user password, moreover, existing in user
Bluetooth terminal is sent to by background server when being registered before use for the first time, so that Bluetooth terminal is using public key to described first
Encryption information is decrypted and obtains user password；Second encryption information is that Bluetooth terminal uses user password to bluetooth door
MAC Address, terminal current time, the door opening command for prohibiting equipment carry out encrypting information generated；
S20. the local reception time and terminal current time according to corresponding to each door open command calculates prover time value；
S30. according to the prover time value calibration local clock.
2. the time calibrating method of control of bluetooth access equipment according to claim 1, which is characterized in that the step S20 packet
It includes:
S21. terminal current time corresponding to each door open command is subtracted each other with the local reception time respectively, it is corresponding to obtain
Time difference；
S22. it averages to acquired time difference；
S23. local current time is added with the average value, to obtain prover time value.
3. the time calibrating method of control of bluetooth access equipment according to claim 2, which is characterized in that in the step S21
Between the step S22, also time difference corresponding to each door open command is carried out the following processing respectively:
S24. judge whether time difference corresponding to the door open command is less than preset value, if so, rejecting the door open command
Corresponding time difference, wherein the preset value is less than 0.
4. the time calibrating method of control of bluetooth access equipment according to claim 2, which is characterized in that in the step S21
Between the step S22, further includes:
S25. the disposal of gentle filter is carried out to acquired time difference.
5. a kind of control of bluetooth access equipment characterized by comprising
Bluetooth module, for receiving door open command transmitted by multiple Bluetooth terminals, and the local for obtaining each door open command connects
Between time receiving, wherein the door open command includes the first encryption information and the second encryption information, wherein first encryption information
User identity information, room number information, user password are carried out using private key for background server to encrypt information generated, and
And Bluetooth terminal is sent to by background server when user registers before first use, so that Bluetooth terminal uses public affairs
Key is decrypted first encryption information and obtains user password；Second encryption information is that Bluetooth terminal uses user
Password carries out encrypting information generated to the MAC Address of control of bluetooth access equipment, terminal current time, door opening command；
Computing module calculates calibration for the local reception time according to corresponding to each door open command and terminal current time
Time value；
Calibration module, for according to the prover time value calibration local clock.
6. control of bluetooth access equipment according to claim 5, which is characterized in that the computing module includes:
Subtrator, for terminal current time corresponding to each door open command to be subtracted each other with the local reception time respectively, with
Obtain corresponding time difference；
Equal value cell, for averaging to acquired time difference；
Addition unit, for local current time to be added with the average value, to obtain prover time value.
7. control of bluetooth access equipment according to claim 6, which is characterized in that the computing module includes:
Culling unit should if so, rejecting for judging whether time difference corresponding to the door open command is less than preset value
Time difference corresponding to door open command；Wherein, the preset value is less than 0.
8. control of bluetooth access equipment according to claim 6, which is characterized in that further include:
Filter unit, for carrying out the disposal of gentle filter to acquired time difference.
9. a kind of control of bluetooth access management system, which is characterized in that including Bluetooth terminal and the described in any item indigo plants of claim 5-8
Tooth access control equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610402266.8A CN106097496B (en) | 2016-06-07 | 2016-06-07 | Control of bluetooth access management system, control of bluetooth access equipment and its time calibrating method |
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| CN201610402266.8A CN106097496B (en) | 2016-06-07 | 2016-06-07 | Control of bluetooth access management system, control of bluetooth access equipment and its time calibrating method |
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| CN106097496B true CN106097496B (en) | 2019-05-28 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US10720964B2 (en) * | 2017-01-04 | 2020-07-21 | Koninklijke Philips N.V. | Device for wireless transmission of data and/or power |
| CN109191630A (en) * | 2018-08-04 | 2019-01-11 | 南京理工大学 | A kind of Intelligent door lock in hotel of NFC compatible bluetooth |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006236251A (en) * | 2005-02-28 | 2006-09-07 | Fujitsu Ltd | Time stamp device, time calibration method and time calibration program |
| US7652545B2 (en) * | 2007-12-07 | 2010-01-26 | Mediatek Inc. | System and method of calibrating real time clock utilizing average calibration |
| CN201246060Y (en) * | 2008-07-22 | 2009-05-27 | 沈宁 | Safe opened by mobile phone |
| CN101959036A (en) * | 2009-07-16 | 2011-01-26 | 华为终端有限公司 | Method and device for calibrating local time |
| CN202164891U (en) * | 2011-07-21 | 2012-03-14 | 浙江凯迪仕实业有限公司 | Wirelessly mounted lock for glass door |
| CN103488247A (en) * | 2013-09-17 | 2014-01-01 | 沈阳东软医疗***有限公司 | Clock calibration method, device and system |
| CN103559751B (en) * | 2013-11-08 | 2015-08-12 | 杭州班博科技有限公司 | For the auxiliary confirmation method that cheating attendance behavior confirms |
| CN104103111B (en) * | 2014-07-19 | 2016-08-17 | 张明 | Automatically-controlled door access control system based on Bluetooth of mobile phone communication and its implementation |
| CN104460311A (en) * | 2014-12-30 | 2015-03-25 | 四川九洲电器集团有限责任公司 | Time calibration method and device |
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