CN201144560Y - Electronic trick lock with double chip structure - Google Patents
Electronic trick lock with double chip structure Download PDFInfo
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- CN201144560Y CN201144560Y CNU2007201920069U CN200720192006U CN201144560Y CN 201144560 Y CN201144560 Y CN 201144560Y CN U2007201920069 U CNU2007201920069 U CN U2007201920069U CN 200720192006 U CN200720192006 U CN 200720192006U CN 201144560 Y CN201144560 Y CN 201144560Y
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- coded lock
- chip structure
- electronic coded
- control panel
- processing unit
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Abstract
The utility model discloses an electronic coded lock with a two-chip structure. The electronic coded lock consists of a keyboard, a display, a CPU and a mechanical operator and is divided into a main board and a control panel. The main board and the control panel are independently provided with the CPU. The main board is connected with the control panel by a transmission line. An encrypted data signal is transmitted by the transmission line. The electronic coded lock with the two-chip structure effectively solves the problems of safety concern existing in the current electronic coded lock that a password gets lost easily and the lock can be opened from the display. In addition, the electronic coded lock with the two-chip structure adopts a latest software algorithm in China to ensure that the password can not be changed accidentally or gets lost in any circumstance. The main board and the control panel adopt two-machine communication method to coordinate whole machine working, thereby ensuring that in the event that the panel is destroyed or connection is destroyed maliciously, a safe door can be opened by an emergency key; therefore, the electronic coded lock is a leading technology in a safe industry.
Description
Technical field
The utility model relates to a kind of strongbox electronic password lock, especially a kind of data encryption transmission, the double-chip structure electronic coded lock that safety is good.
Background technology
Coded lock is an indispensable safety device such as the strongbox that generally uses of current people, file cabinet, the strongbox of selling on the preceding market, the employed coded lock of file cabinet can be divided into mechanical code lock and electronic password lock basically, the increasing simultaneously electronic password lock that uses.Its control section of existing electronic password lock generally adopts the monolithic control chip to add the form of structure of keyboard and display board.This coded lock has two obvious defects, and the one, if coded lock sudden power when preserving password, i.e. outage when new password does not have complete write memory, the password after powering on once more is unknown; The 2nd, existing coded lock adopts the form of structure of monolithic control chip, the data that transmit between its control chip and the display board can not be encrypted, be easy to directly lock be opened by display board, and the line between display board and the control panel reaches the 14-16 bar, frame for movement destruction to lock body is very big, has increased the possibility of destroying coded lock from frame for movement.
The utility model content
The utility model is for the password that solves present electronic cipher and be latched in is lost easily, can be unblanked etc. that security hidden trouble provides that a kind of password can not lost from display board, data encryption transmission, a kind of double-chip structure electronic coded lock that safety is good.
The utility model is to reach the concrete technical scheme that above-mentioned technical purpose adopts to be: a kind of double-chip structure electronic coded lock, form by keyboard, display, central processing unit and mechanical actuating mechanism, be divided into mainboard and control panel two parts, all independently be provided with central processing unit on mainboard and the control panel, be connected by transmission line between mainboard and the control panel, what transmit on the transmission line is data-signal through encryption.The conditional electronic coded lock is divided into mainboard and control panel, wherein mainboard is arranged on strongbox inside, mainboard and control panel all independently are provided with central processing unit, link to each other with transmission line between two plates, transmission line be the code signal that passes through unique software algorithm encryption in advance, because the several a tree names that transmit are between the two transmitted after adopting and encrypting, therefore can not obtain useful information or control executing agency by transmission line from transmission line, the possibility that makes electronic lock crack be almost nil.Tradition adopts the electronic password lock of single-chip owing to the data on the transmission line can't be encrypted, therefore can be by panel or by transmission line input signal control executing agency, thereby directly lock is opened, line reaches the 14-16 bar between the electronic password lock mainboard of the single-chip of tradition employing simultaneously and the control panel, frame for movement destruction to lock body is very big, has increased the possibility of mechanical damage.And double-chip structure electronic coded lock has not only carried out encryption to the data that transmit, and the line between mainboard and the control panel only needs 6, has solved an above-mentioned difficult problem fully.
As preferably, be connected with memory on the mainboard central processing unit, memory is non-volatile EEPROM.The mainboard central processing unit is by holding wire and data wire control storage, and it is carried out read-write operation, memory is also preserved the open the door historical record of situation of strongbox except that the password of preserve unpacking, the data that sort memory is deposited can be preserved under the situation of outage for a long time.
As preferably, be connected with executing agency and warning device on the mainboard central processing unit, executing agency is made up of relay and door lock opening device, relay control gate lock opening device.Executing agency is arranged on strongbox inside with reaching warning device, has improved the security performance of coded lock greatly.
As preferably, be connected with shock sensor on the mainboard central processing unit.Strongbox moved or other obviously during vibrations, sensor can trigger alarm and send alarm signal.
As preferably, the control panel central processing unit connects LCD.LCD is driven by the central processing unit on the control panel, can make that line reduces significantly between mainboard and the control panel.
As preferably, the control panel central processing unit connects keyboard.
As preferably, a kind of double-chip structure electronic coded lock is provided with the electric emergency key, and the electric emergency key is in particular cases emergent use of damaging at panel, keyboard etc.When using the electric emergency key, the electric emergency key is connected with the mainboard central processing unit by USB interface, as long as the password that the password that the electric emergency key prestores and main board memory are deposited is consistent, just can open.
The beneficial effects of the utility model are: it solve effectively the password that present electronic cipher is latched in lose easily, can be from display board security hidden trouble such as unblank.Simultaneously, the utility model adopts the software algorithm of latest domestic, guarantees that password is not changed unintentionally in any case, loses.Mainboard and control panel adopt the dual-machine communication mode to coordinate complete machine work, guarantee that destroyed or connecting line also can be opened chamber door with emergency key under the malicious sabotage situation at panel, belong to leading technology in the strongbox industry.
Description of drawings
Below in conjunction with accompanying drawing the specific embodiment of the present utility model is further described.
Accompanying drawing 1 is a kind of circuit block diagram of a kind of double-chip structure electronic coded lock of the utility model.
Accompanying drawing 2 is a kind of circuit diagrams of a kind of double-chip structure electronic coded lock mainboard of the utility model.
Accompanying drawing 3 is a kind of circuit diagrams of a kind of double-chip structure electronic coded lock control panel of the utility model.
The specific embodiment
In embodiment 1 as shown in Figure 1, a kind of double-chip structure electronic coded lock, by keyboard, display, central processing unit and mechanical actuating mechanism are formed, be divided into mainboard and control panel two parts, all independently be provided with central processing unit on mainboard and the control panel, central processing unit 1 on the mainboard is the EM78P156ELM (see figure 2), central processing unit 2 on the control panel is the EM78P468N (see figure 3), wherein the crystal oscillator of the central processing unit of mainboard employing 2MHz is as clock signal, and the central processing unit of control panel adopts the crystal oscillator of 32768Hz as clock signal.Be connected by 6 core transmission lines between mainboard and the control panel, what transmit on the transmission line is the code data signal that passes through unique software algorithm encryption in advance.
Be connected with memory 3 on the mainboard central processing unit 1, memory is non-volatile EEPROM, model is FM24C02, mainboard central processing unit EM78P156ELM is by holding wire and data wire control storage, and it is carried out read-write operation, memory is also preserved the open the door historical record of situation of strongbox except that the password of preserve unpacking.
Be connected with executing agency 5 and warning device 6 on the mainboard central processing unit 1, executing agency 5 is made up of relay and door lock opening device, relay control gate lock opening device.In the time of need opening the door, the high level of mainboard central processing unit EM78P156ELM output makes the Q5 conducting, and socket J2 goes up the relay adhesive that connects, the door lock opening device action of relay control, and chamber door is opened.In like manner, when needing to report to the police, the high level of mainboard central processing unit EM78P156ELM output makes the Q4 conducting, and socket J1 goes up the alarm work that connects, and sends alarm signal.Also be connected with shock sensor 9 on the mainboard central processing unit.
Control panel central processing unit 2 is connected with 12 key boards 8 and LCD 4, and the model of LCD LCD1 is JC3038.LCD is provided with backlight LED1, the central processing unit control on the controlled panel of backlight, and central processing unit is realized by variation backlight the user being carried out operation indicating by the conducting control to Q6, Q7.
Also be connected with buzzer BELL1 on the control panel central processing unit, the central processing unit control on the controlled panel of buzzer can be played simple music, changes by different music the user is carried out operation indicating.
Double-chip structure electronic coded lock is provided with electric emergency key 7, and when using electric emergency key 7, electric emergency key 7 is connected with mainboard central processing unit 1 by USB interface.
Mainboard is connected with the gang socket J6 of control panel by gang socket J3, is 6 core transmission lines of transmission code data signal between two sockets.
The method of operating of present embodiment double-chip structure electronic coded lock is as follows:
One, power-up initializing:
(1) the system default user cipher is " 1234 ", and administrator's password is " 123456 ", and the electric emergency key cipher is 00 year 01 month 01 day, Saturday, 00: 00: 00 for " 12345678 " initial time.
(2) carry out self check, display screen after system powers on and begin scanning, demonstrations blueness backlight during half screen scanning in, demonstration backlight is orange when scanning half screen, self check is by back demonstration lavender backlight, screen display " Good ", and buzzer performance " DO, RE; MI; FA, SO, LA; XI, DO (H) " enters holding state then.If run into certain mistake in the process of self check, then screen backlight shows orange and shows corresponding error message, and buzzer is played " MI, RE, DO ", and all kinds of wrong indications please refer to appendix.
(3) during standby, system shows current date, time and current battery electric quantity.
(4) after the power down, the three groups of passwords and the record that opens the door can not lost, but the time might lose, so after powering on once more, need proof time again.
Two, opening door operation:
(1) under the holding state, wake up by " # " key, backlight is blue, and "-------", can input 1 to 8 password (administrator's password or user cipher) this moment to screen display, confirms by " # " key again.(after importing 8 passwords, system confirms automatically).
(2) if password is correct, then bluely backlightly switch to orange backlightly, screen display " OPEN ", buzzer are played " DO; RE; MI ", relay adhesive 10 seconds, the action of can opening the door, time this moment and password type are recorded in the memory that power down do not lose, the record so that inquiry is opened the door, the blueness that switches to backlight after 10 seconds, relay discharges.
(3) if password bad, screen display " Error " then, buzzer is played " SO, SO, MI, SO, SO ", shows "------" then again, can re-enter password this moment.
(4) if continuous 3 input passwords are wrong, screen display alarming horn sign was reported to the police 1 minute.In the process of reporting to the police if the input proper password can remove and report to the police and open the door.Reporting to the police, system enters sleep state after 1 minute, continues to report to the police when waking up by any key in " #, *, 0 " number again, then remove warning if import proper password this moment, but do not open the door, and screen display " ring OFF ", warning function is removed.If password still is mistake then reported to the police 1 minute again.
(5) in the input cryptographic processes, whenever press once " * " key, can remove the one-bit digital of last input.
(6) before the input password, by " * " key, switch to latent code function earlier, when single was pressed, latent sign indicating number effectively; When pressing for two times, latent code function is invalid.When latent sign indicating number was effective, input digit can not show subsequently, and replaces with little " 0 ".
(7) input is not finished, if button not in 10 seconds then withdraws from input state, gets back to holding state.
(8) inputing the correct record that opens the door of password will be saved at every turn.
(9) under holding state, insert the electric emergency key, if the password of emergency key password and this controller mates then screen display " OPEN " relay and inhales and 10 seconds, the action of can opening the door, time this moment and password type are recorded in the memory that power down do not lose, the record so that inquiry is opened the door, the blueness that switches to backlight after 10 seconds, relay discharges.Screen display " FAIL " is laggard if the password in the password of emergency key and the controller does not match then goes into the sleep state, extracts up to emergency key and inserts the action of just can opening the door again again.
Three, change password:
(1) open the door with current one group of password wanting to change, when screen display " OPEN ", by " * " key, system enters corresponding modification password state, and backlight be orange screen display "------", can change the password that this time opens the door at this moment.
(2) enter and to import 1～8 new user cipher after revising the password state, confirm by " # " key again.If input 8 passwords, then system confirms automatically.
(3) demonstration on the screen shows " NO1 In ", " NO2 In " or " NO3 In " buzzer performance " MI, RE, DO, RE, MI " simultaneously respectively according to the password type of revising, and the expression password is revised successfully.If password modification failure screen display " FAIL " and buzzer were not played " MI; RE; DO " and entered holding state afterwards when emergency key had the battery of insertion or emergency key not pack into when revising the emergency key password, do not open the door but do not influence with other two groups of passwords this moment.
(4) screen shows 2 seconds of new password again one time subsequently, gets back to holding state.
(5) in input new password process, whenever press once " * " key, can remove the one-bit digital of last input.
(6) revise and not finish,, get back to holding state if button not in 10 seconds then withdraws from modification state (password still is original Old Password).
Four, inquire about the record that opens the door:
(1) opens the door earlier, backlightly be orange, screen display " OPEN ", password or the record queries operation of can making amendment with password.
(2) if by " 0 " key then can show the current record strip number that opens the door altogether, as showing that " NO-01-28 " representative has 28 records that open the door at present and is stored.
(3), or turn under " 8 " key if turn over by on " 2 " key, the record that opens the door before can inquiring about, every record divides two screens to show.
(4) show earlier the 1st screen: password classification (shape as: " CodE-1 ", " CodE-2 " or " CodE-3 ") and recording mechanism (shape as: " NO 01 " or " NO 43 ").
(5) show the 2nd screen then: the opening the door date and time of this record.
(6) record page turning: under the state of query note, by " 2 " key, recording mechanism adds on 1 turns over; By " 8 " key, recording mechanism subtracts 1 time and turns over.
Button not in (7) 10 seconds then withdraws from query State, gets back to holding state.
(8) system can preserve 43 nearest records at most, when record surpasses 43, and new record of every increase, an old record the earliest will be capped.Every record comprises following information: year, month, day, week, the time, branch, recording mechanism (nearest one of 1=, the nearest second of 2=... 43=is article one the earliest), password classification (1=administrator password, 2=user cipher, 3=electric emergency key).
Five, revise system data
(1) under the holding state, by " * " key, enter and revise the system data time state, demonstration lavender backlight, corresponding positions begin flicker.
(2) directly press numerical key, input " year "-" moon "-" day ", " week ", " time ", behind " branch " (totally 11 figure places, corresponding setting position glimmer), automatic affirmation is preserved the new time and is withdrawed from setting, gets back to holding state.
(3) system can differentiate input digit validity, the invalid numerical value that overruns will not with really with.
(4) when revising the date, system can the big solar month of 30 days of automatic distinguishing and the leap month maximum number of days arranged.Therefore the user needn't worry to occur the mistake of thinking that mistake is imported February 30 or April 31 and so on, and system will not confirm when this type of mistake occurring.
(5) revise and not finish, button not in 10 seconds then withdraws from modification state (value of having revised is invalid), gets back to holding state.
(6) perpetual calendar in embedded 2000 2099 of system can carry out big solar month of 30 days switching leap year conversion automatically during timing.
Six, vibrations warning function
(1) under the holding state, by " 0 " key, screen shows " ALErt on " and enters the state of alert.
When (2) state of alert was effective, strongbox was subjected to vibration and will reports to the police, and screen display alarming horn sign and "------" whenever will be refreshed time of fire alarming 1 minute by primary key.
(3) at this moment, the input proper password, screen shows " ring OFF ", stops to report to the police, and removes the state of alert.
When (4) state of alert is effective,, will cancel the state of alert as long as carry out the once correct action of opening the door.
Seven, power supply and voltage indication
(1) power supply: use four joint 1.5V alkaline batteries.When completely pressing, show solid battery sign; Show hollow battery sign when under-voltage, and can cause opening the door time screen to show " LO-BATT " and auditory tone cues (under-voltage), represent under-voltagely, remind you to change battery.
(2), can use electric emergency key operated as the cell voltage deficiency.
Claims (8)
1. double-chip structure electronic coded lock, form by keyboard, display, central processing unit and mechanical actuating mechanism, it is characterized in that: described double-chip structure electronic coded lock is divided into mainboard and control panel two parts, all independently be provided with central processing unit (1 on mainboard and the control panel, 2), be connected by transmission line between mainboard and the control panel, what transmit on the transmission line is data-signal through encryption.
2. a kind of double-chip structure electronic coded lock according to claim 1 is characterized in that being connected with on the described mainboard central processing unit (1) memory (3).
3. a kind of double-chip structure electronic coded lock according to claim 3 is characterized in that described memory (3) is non-volatile EEPROM.
4. a kind of double-chip structure electronic coded lock according to claim 1, it is characterized in that being connected with on the described mainboard central processing unit (1) executing agency (5) and warning device (6), executing agency (5) is made up of relay and door lock opening device, relay control gate lock opening device.
5. a kind of double-chip structure electronic coded lock according to claim 1 is characterized in that being connected with on the described mainboard central processing unit (1) shock sensor (9).
6. a kind of double-chip structure electronic coded lock according to claim 1 is characterized in that described control panel central processing unit (2) connects LCD (4).
7. double-chip structure electronic coded lock according to claim 1 is characterized in that described control panel central processing unit (2) connects keyboard (8).
8. according to claim 1 or 2 or 3 or 4 or 5 or 6 or 7 described a kind of double-chip structure electronic coded locks, it is characterized in that described double-chip structure electronic coded lock is provided with electric emergency key (7), when using electric emergency key (7), electric emergency key (7) is connected with mainboard central processing unit (1) by USB interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201920069U CN201144560Y (en) | 2007-11-07 | 2007-11-07 | Electronic trick lock with double chip structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201920069U CN201144560Y (en) | 2007-11-07 | 2007-11-07 | Electronic trick lock with double chip structure |
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| Publication Number | Publication Date |
|---|---|
| CN201144560Y true CN201144560Y (en) | 2008-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201920069U Expired - Fee Related CN201144560Y (en) | 2007-11-07 | 2007-11-07 | Electronic trick lock with double chip structure |
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| CN (1) | CN201144560Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101852044A (en) * | 2010-05-11 | 2010-10-06 | 佛山市顺德区安能保险柜制造有限公司 | Handheld remotely-controlled safety box control system and control method thereof |
| CN102852400A (en) * | 2012-07-06 | 2013-01-02 | 宁波诺依克电子有限公司 | Coded lock system based on USB (universal serial bus) key and authentication control method thereof |
| CN103810774A (en) * | 2012-11-08 | 2014-05-21 | 佛山正能光电有限公司 | Multiple protecting touch lockset |
| CN105913518A (en) * | 2016-04-12 | 2016-08-31 | 上海擎天电子科技有限公司 | Dynamic cipher lock double MCU decoupling safety electric control system and work flow thereof |
| CN106033627A (en) * | 2015-03-18 | 2016-10-19 | 德金属工业股份有限公司 | Virtual touch control lock device |
-
2007
- 2007-11-07 CN CNU2007201920069U patent/CN201144560Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101852044A (en) * | 2010-05-11 | 2010-10-06 | 佛山市顺德区安能保险柜制造有限公司 | Handheld remotely-controlled safety box control system and control method thereof |
| CN102852400A (en) * | 2012-07-06 | 2013-01-02 | 宁波诺依克电子有限公司 | Coded lock system based on USB (universal serial bus) key and authentication control method thereof |
| CN103810774A (en) * | 2012-11-08 | 2014-05-21 | 佛山正能光电有限公司 | Multiple protecting touch lockset |
| CN106033627A (en) * | 2015-03-18 | 2016-10-19 | 德金属工业股份有限公司 | Virtual touch control lock device |
| CN105913518A (en) * | 2016-04-12 | 2016-08-31 | 上海擎天电子科技有限公司 | Dynamic cipher lock double MCU decoupling safety electric control system and work flow thereof |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081105 Termination date: 20121107 |