CN2182846Y - Computer lock with double puzzle lock - Google Patents
Computer lock with double puzzle lock Download PDFInfo
- Publication number
- CN2182846Y CN2182846Y CN 94202147 CN94202147U CN2182846Y CN 2182846 Y CN2182846 Y CN 2182846Y CN 94202147 CN94202147 CN 94202147 CN 94202147 U CN94202147 U CN 94202147U CN 2182846 Y CN2182846 Y CN 2182846Y
- Authority
- CN
- China
- Prior art keywords
- lock
- password
- sign indicating
- indicating number
- keyboard
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a dual-cipher computer lock, which has two ciphers and is independently controlled and opened by two ways. The dual-cipher computer lock comprises a working power supply 101, an electric lock whose lock tongue is driven by a motor M, a main keyboard 102 and a standby keyboard 103 which are used for inputting the instruction and the cipher, a main cipher processing circuit 104, a standby cipher processing circuit 105, and a drive device 106 which provides the motor M with the drive current respectively according to the control signals of the cipher processing circuits 104, 105. The electronic cipher lock is suitable for storage boxes in public space, safes in guest rooms, etc., and has the advantages of high safety, convenient operation and convenient maintenance and management.
Description
The utility model relates to a kind of electronic password lock, and particularly a kind of two-way is independently controlled the double density sign indicating number computer lock of opening.
At present, reported a large amount of electronic password locks that adopt the advanced electronics technology design both at home and abroad.The mechanical code lock safety performance was better more in the past for this electron-like coded lock, and the user can change password at any time, used more convenient.But present electronic password lock is a cover password single channel control for security consideration and opens.Thereby in a single day the user loses password in the use of single channel electronic password lock, or its inner password processing circuit breaks down etc. under the situation, just is difficult to open.If this electronic password lock is used for strongbox, just might bring very big trouble to the user.Thereby, generally production firm always on safe body or door, be provided with in addition use when specializing in maintenance to the direct or indirect mechanisms such as power supply lock of power supply of inner driver element.Yet the existence of this class mechanism can constitute a threat to its whole security performance again.
The utility model is at above situation, and its purpose is to provide a kind of two-way independently to control unlatching, safer reliable double density sign indicating number computer lock in the use.
Double density sign indicating number computer lock of the present utility model comprises: working power; Dead bolt is by motor-driven electric lock; First and second keyboards of input instruction and password; Handle and/or store according to the instruction and the password of described first and second keyboards input respectively, and produce first and second password processing circuits of corresponding control signal; According to the described control signal of described first and second password processing circuits, provide the drive unit of drive current to described motor respectively.
Double density sign indicating number computer lock of the present utility model comprises first and second liang of cover password processing circuits, thereby can have two passwords to make corresponding password processing circuit produce the unlatching control signal respectively.Like this, even under the situation about mentioning in front, for example the user has lost one of them password, or its inner password processing circuit breaks down, and the user still can open it according to its second standby password or second standby password processing circuit.It is safe and reliable that the use of the second standby password is locked this class mechanism than power supply, and the second standby password also can revise at any time with first password is the same, thus use go up convenient and safe.
Feature and advantage of the present utility model by following will be more clear with reference to accompanying drawing to the explanation of embodiment.
Fig. 1 is the circuit diagram of an embodiment of the utility model double density sign indicating number computer lock.
Fig. 2 is the schematic diagram of external surface keyboard that adopts the strongbox of this double density sign indicating number computer lock.
Referring to Fig. 1, double density sign indicating number computer is locked its electronic circuit part and is mainly comprised working power 101; Master Keyboard 102; Standby keyboard 103; The main password processing circuit 104 that links to each other with Master Keyboard 102; The standby password processing circuit 105 that links to each other with standby keyboard 103; And the drive unit 106 that links to each other, provides drive current with main password processing circuit 104 and standby password processing circuit 105 to the motor M of electric lock (not shown).Will know in the operation instruction from behind that these formations can realize the basic function of double density sign indicating number computer lock.
Certainly, will realize this double density sign indicating number computer lock function, it also can possess: according to the control signal of password processing circuit 104,105 more perfectly, the instruction that Master Keyboard 102 and standby keyboard 103 are imported is responded, and is recognized or denies the indication device of representing 201; Produce the warning drive unit 202 of the driving signal of reporting to the police according to the control signal of main password processing circuit 104 and standby password processing circuit 105; By the warning drive of warning drive unit output, the audible alarm unit 203 of sounding and reporting to the police; And when having a power failure for continuing to keep password to main password processing circuit 104 and 105 power supplies of standby password processing circuit battery 204 as standby electric power.
Below, describe above each several part in detail with reference to Fig. 1 and constitute.Working power 101 be the interchange of for example 9V after bridge rectifier and filtering, pass through IC
6(for example model is 7806) output galvanic current is pressed.Master Keyboard 102 shown in Figure 1 and standby keyboard 103 are two groups of keyboards of equivalence on the function, and each group all comprises 10 numeric keys, and the key U that opens the door, U ' and storage key E, E '.In addition, two groups of also shared key L(that close the door of keyboard are the K switch in the circuit
L).It is the special IC IC of SR301 that main password processing circuit 104 and standby password processing circuit 105 adopt a kind of model respectively
1And IC
2, the connection of their peripheral circuit is consistent basically.Wherein, cause P
2, P
3Ground connection, P
9Connect working power, also pass through R as the battery pack E of standby electric power 204
13Be added to P
9On.P
5-8, P
10And P
11Link to each other with keyboard.P
18, P
1-3External resistance R
1, R
6And C
1And C
2, C
3And C
4Determined time constant decision P
17The pulse width of the unlatching control impuls of output.P
17The signal of output passes through transistor Q respectively
2, Q
3Be added in IC as drive unit 106
3And IC
4On (for example model is TWH8778).P
16Then produce a high level signal when continuous three input error passwords, this signal is through transistor Q
1Give IC as warning drive unit 202
5(for example model is TWH8778).P
14And P
9Between external buzzer B as indication device 201, B '.P
12And P
15All unsettled.The difference of its peripheral circuit is, the pin P of main password processing circuit
13By a K switch
EGround connection, this K switch
EGenerally be located at inside (for example inside of strongbox), that is to say this K switch
EOnly lock under the situation of having opened and can use at door or double density sign indicating number computer.And the pin P of standby password processing circuit
13Then with P
14And connect.K switch
EEffect will illustrate below.
Electric lock comprises the direct current generator M that drives dead bolt as shown in Figure 1, and the K that links mutually, alternately opens and closes by mechanism according to the position of dead bolt
1, K
2Key.When dead bolt is regained fully, K
1The key closure, K
2Key disconnects; When dead bolt stretches out fully, K
2The key closure, K
1Key disconnects.Direct current generator M passes through K
2Key is connected with the output of aforementioned unlatching drive unit 106.And direct current generator M passes through K
1Key and one closes gate control circuit 107 and is connected.Close the K switch of closing the door in the gate control circuit 107
LDisconnect at ordinary times, thereby controllable silicon SCR is controlled very low level, not conducting of SCR.When will be at closing time, can closed K
LCertain hour (stretching out the required time that puts in place fully) as long as surpass dead bolt, at this moment the control utmost point of SCR is in high level, and SCR is conducting, just can be through closed K this moment by the electric current of SCR
1Key flows to direct current generator M.When driving dead bolt, motor M stretches out fully when putting in place, under the effect of machinery, and K
1Key is disconnected, thereby has cut off the pass gate current of drive motors.At this moment, K
2Key and K
1Link and closure, wait for the electric current that opens the door of drive motors.
Below describe the use of double density sign indicating number computer lock in detail with above formation.This password processing circuit of above mentioned SR301 special IC can be accepted a decimal number below 12 or 12 as password.When door is being closed, when the main password of known main password processing circuit correspondence for example is " 310107 ", the user just can be by Master Keyboard 102 successively by " 3 ", " 1 ", " 0 ", " 1 ", " 0 ", " 7 " key, after the password input finishes again by " U " key (key promptly opens the door).When input code conformed to password, main password processing circuit 104 will be from pin P
14Export a pulse, make buzzer B send " ticking " sound; Simultaneously, from pin P
17Export a width and be about 2 seconds high level pulse, through transistor Q
2Be added in the control pin P of drive unit 106
5On.Like this, drive unit 106 will be by P
2And P
3Output driving current is through the K of closure
2Key offers direct current generator M door is opened.When input code and password not match, pin P
14Will export two pulses, make buzzer B send " ticking " sound, and pin P
17Keep low level.Can continue aforesaid input process this moment.If continuous three input codes and password not match then can be from pin P
16Produce a high level, through transistor Q
1Give audible alarm drive unit IC
5Control pin P
5, and by its pin P
2And P
3Output current drives audible alarm unit 203 warning of sounding.As shown in Figure 1, this audible alarm is by IC
7(for example model is KD3561) produces audible ringing signal, and this signal is through operational amplifier IC
8Amplify, by the loudspeaker SP warning of sounding.Under the situation that aforementioned door is opened, the user can make an amendment to password as required.At this moment, the user can close and be located at inner K
EKey makes main password processing circuit 106 enter password and revises state.The user can for example be " 2571516 ", and press " E " (being storage key) afterwards the user that buzzer B sends " ticking " sound at Master Keyboard 102 input new passwords this moment, and the storage of expression new password " 2571516 " has obtained carrying out.After this user is again with K
EDraw back, the input of new password promptly comes to an end.This shows that the user is as long as can revise password at any time under the situation of having opened, very convenient.
The below use of the standby cryptopart of explanation.For simplicity, the only explanation action different with main cryptopart.Suppose that standby password is " 200063 ", this standby password to be changed into standby new password " 7300751 ", get during modification successively by " 2 ' ", " 0 ' ", " 0 ' ", " 0 ' ", " 6 ' ", " 3 ' " each numerical key (add and cast aside the key that is expressed as on the standby keyboard 103).Password and input code meet, buzzer B ' will send " ticking " sound, expression can deposit new password in, next the user just can press the every numerical key of new password " 7 ' ", " 3 ' ", " 0 ' ", " 0 ' ", " 7 ' ", " 5 ' ", " 1 ' " successively, then again by " E ' " key, at this moment buzzer B ' can send " ticking " sound and represents that standby new password deposits in.This shows that the more main password strictness of condition that standby password is revised must know that promptly original code could revise password.Other actions are identical with main cryptopart, repeat no more here.
Just as previously mentioned, being modified on the condition of main password and standby password is different, and these do not coexist and guarantee not lose under the situation of safety, can more help use, maintenance and the management of this lock.Safety to be further improved, key or the membrane keyboard that recessive corresponding relation is arranged with its numerical key and instruction key can be adopted for spare key.For example, corresponding respectively with " the computer program controlled strongbox of senior dicode " as shown in Figure 2 with " 0 ' 1 ' 2 ' 3 ' 4 ' 5 ' 6 ' 7 ' 8 ' 9 ' E ' ", and corresponding with pictorial trademark with " U ' ".In addition, can also improve its safety from the using method of standby password.For example, this is locked in 12 the standby password, can be back six and be grasped by the maintenance personal of manufacturer, oneself setting when first six digits is then buied this lock by the client.For the register of public place, the strongbox in the hotel guest-room, a standby password part can be transferred to the attendant and grasp, another part is transferred to the security personnel and is grasped.
More than that explanation is an embodiment of the present utility model, but can also do multiple modification to it.For example indication device 201 is not to adopt buzzer B and B ', and the employing display unit will handled easily.Master Keyboard and standby keyboard sharing one cover keyboard for example again, to be located at the shelter also passable and will switch active/standby shift with key.In a word, its protection domain of the utility model should be limited by its appending claims, and comprises various modifications and the distortion that does not break away from its flesh and blood.
Claims (10)
1, a kind of double density sign indicating number computer lock is characterized in that comprising: working power; Dead bolt is by motor-driven electric lock; First and second keyboards of input instruction and password; Handle and/or store according to the instruction and the password of described first and second keyboards input respectively, and produce first and second password processing circuits of corresponding control signal; According to the described control signal of described first and second password processing circuits, provide the drive unit of drive current to described motor respectively.
2, double density sign indicating number computer as claimed in claim 1 lock is characterized in that also comprising: according to the control signal of described password processing circuit, the input of described keyboard is recognized or denies the indication device of representing.
3, double density sign indicating number computer lock as claimed in claim 1 is characterized in that also comprising: the warning drive unit that produces the driving signal of reporting to the police according to the control signal of described password processing circuit; And by the warning drive that this warning drive unit is exported, the audible alarm unit of the warning of sounding.
4, double density sign indicating number computer lock as claimed in claim 1 is characterized in that also comprising the standby electric power that continues when having a power failure to described password processing circuit power supply.
5, double density sign indicating number computer lock as claimed in claim 1 is characterized in that also comprising: be used for providing the pass gate control circuit that closes gate current to described motor; The interlock key that is used for alternately switching described motor and described pass gate control circuit or is connected respectively with described drive unit.
6, double density sign indicating number computer as claimed in claim 5 lock is characterized in that described interlock key is by mechanism stretching out fully and regain and move with dead bolt.
7, double density sign indicating number computer lock as claimed in claim 1 is characterized in that described first keyboard comprises that also is located at an inside, is used for making described first password processing circuit to enter the key that password is revised state.
8, as claim 1 or 7 described double density sign indicating number computer locks, it is characterized in that described second keyboard adopts recessive corresponding relation with its numerical key and instruction key key.
9, double density sign indicating number computer as claimed in claim 8 lock is characterized in that described the key of recessive corresponding relation is arranged is the membrane keyboard that is in recessive position.
10, double density sign indicating number computer lock as claimed in claim 1 is characterized in that described first and second keyboard sharings, one cover keyboard, and this shared keyboard comprises that one switches the shift of first and second keyboard keys.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94202147 CN2182846Y (en) | 1994-01-21 | 1994-01-21 | Computer lock with double puzzle lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94202147 CN2182846Y (en) | 1994-01-21 | 1994-01-21 | Computer lock with double puzzle lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2182846Y true CN2182846Y (en) | 1994-11-16 |
Family
ID=33822007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94202147 Expired - Fee Related CN2182846Y (en) | 1994-01-21 | 1994-01-21 | Computer lock with double puzzle lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2182846Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104464048A (en) * | 2014-11-14 | 2015-03-25 | 中国建设银行股份有限公司 | Electronic coded lock unlocking method and electronic coded lock unlocking device |
| CN106968517A (en) * | 2017-05-08 | 2017-07-21 | 王昆 | Both-way communication electronic lock |
-
1994
- 1994-01-21 CN CN 94202147 patent/CN2182846Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104464048A (en) * | 2014-11-14 | 2015-03-25 | 中国建设银行股份有限公司 | Electronic coded lock unlocking method and electronic coded lock unlocking device |
| CN104464048B (en) * | 2014-11-14 | 2016-09-14 | 中国建设银行股份有限公司 | A kind of electronic password lock method for unlocking and device |
| CN106968517A (en) * | 2017-05-08 | 2017-07-21 | 王昆 | Both-way communication electronic lock |
| CN106968517B (en) * | 2017-05-08 | 2019-01-25 | 王昆 | Both-way communication electronic lock |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |