CN202913798U - Electronic door lock with mechanical key serving as pure backup - Google Patents
Electronic door lock with mechanical key serving as pure backup Download PDFInfo
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- CN202913798U CN202913798U CN 201220504050 CN201220504050U CN202913798U CN 202913798 U CN202913798 U CN 202913798U CN 201220504050 CN201220504050 CN 201220504050 CN 201220504050 U CN201220504050 U CN 201220504050U CN 202913798 U CN202913798 U CN 202913798U
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Abstract
The utility model relates to an electronic door lock with a mechanical key serving as a pure backup. The electronic door lock comprises a lock body, a lock body linkage, a control pin, a micro-motor module, a authentication unit circuit, a master control circuit, a key cylinder component and a key cylinder movement detection circuit which is used for detecting whether a key cylinder of the key cylinder component is moved by a key or not. The master control circuit and the key cylinder movement detection circuit are connected and used for sending drive signals which are used for maintaining the limit to the lock linkage to the micro-motor module when a key cylinder movement is detected and the voltage of power-supplying batteries is higher than a preset value as well as sending drive signals which are used for canceling the limit to the lock linkage to the micro-motor module when the key cylinder movement is detected and the voltage of the batteries is lower than the preset value. Therefore, the illegal use of the mechanical key to open a door can be effectively avoided, so that the mechanical key serves as the pure backup for unlocking, and the safety performance is greatly improved when compared with that of traditional electronic locks and mechanical locks.
Description
Technical field
The utility model relates to electronic lock, more particularly, relates to the electronic lock of the pure backup of a kind of mechanical key.
Background technology
Improving constantly of social economy's level promoted the home equipment automation, and comfortableization of dwelling environment, safe have proposed safer, more convenient demand to the gate inhibition of family and office gate inhibition simultaneously.At present, many families also adopt traditional mechanical door lock, and it uses more loaded down with trivial details, and security performance is lower, and professional thief can open the not good door lock of security performance easily, cause the pilferage case to happen occasionally.
Electronic lock by increasing family and office space acceptance and use, progressively substitutes above-mentioned mechanical door lock as a kind of safer, more convenient door lock.Most of electronic lock all has been equipped with mechanical key for energency-unlocking in the market, because its lock core security performance that is equipped with is not high, the specialty thief is by adopting the instruments such as master key, tinfoil tin bar, opening lock master equally easily, thus open electronic lock.Therefore adopt existing electronic lock potential safety hazard still to exist, cause potential loss to the user easily.
The utility model content
The technical problems to be solved in the utility model is, for the defects of prior art, provides the electronic lock of the higher pure backup of mechanical key of a kind of security performance.
The technical scheme that its technical problem that solves the utility model adopts is: the electronic lock of constructing the pure backup of a kind of mechanical key, comprise lock body, be used for driving the lock body linkage that described lock body is unblanked or locked, be used for limiting the control pin of described lock body linkage, be used for controlling the micro machine module that described control pin moves up and down, and comprise be used to obtaining visitor's identity information, and the identity authenticating unit circuit that described identity information is verified, and be used for sending driving signal by rear to described micro machine module in authentication, with the governor circuit of cancellation to described lock body linkage restriction;
Described electronic lock also comprises the lock core assembly, and whether is rotated testing circuit by the lock core of key turns for detection of described lock core assembly internal cylinder;
Described governor circuit rotates testing circuit with described lock core and is connected, is used for detecting that lock core rotates and supply voltage when being higher than preset value, sending to described micro machine module and to keep driving signal that the lock body linkage is limited, and
Be used for sending cancellation to the driving signal of lock body linkage restriction having detected that lock core rotates and described supply voltage when being lower than preset value to described micro machine module.
In the above-mentioned electronic lock of the utility model, described governor circuit comprises microprocessor and is connected with described microprocessor, for detection of the voltage detecting circuit of described supply voltage.
In the above-mentioned electronic lock of the utility model, described governor circuit also comprises with described microprocessor and being connected, for detection of the illegal open alarm signal deteching circuit whether illegal open alarm signal is arranged.
In the above-mentioned electronic lock of the utility model, described governor circuit also comprises with described microprocessor and being connected, be used for detecting that lock core rotates and described supply voltage drives the warning drive circuit that warning device is reported to the police when being higher than the predeterminated voltage value.
In the above-mentioned electronic lock of the utility model, described governor circuit also comprises memory cell, the key-press input unit that is connected with described microprocessor and is used for sending the control module that drives signal to described micro machine module.
In the above-mentioned electronic lock of the utility model, described identity authenticating unit circuit comprises be used to the identity information acquisition device that obtains visitor's identity information and for the analysis circuit that described identity information is carried out analysis verification;
Described identity information acquisition device is one or more in finger print information collector, encrypted message collector, card information collector and the remote control input message collector.
In the above-mentioned electronic lock of the utility model, handle turning cylinder, handle turning cylinder connector and lock body connector that described lock body linkage comprises door handle, is connected with door handle are provided be used to the pinhole that holds described control pin at described handle turning cylinder connector and lock body connector.
In the above-mentioned electronic lock of the utility model, described lock core assembly comprises lock core, lock core rotatable parts and permanent magnet.
In the above-mentioned electronic lock of the utility model, described power supply is battery.
The enforcement the beneficial effects of the utility model are: rotate testing circuit by lock core is set, when adopting key rotation lock core and supply voltage to be higher than preset value, can send the driving signal that keeps the restriction of lock body linkage to the micro machine module by governor circuit; When supply voltage is lower than preset value or governor circuit inefficacy, then can adopt mechanical key for subsequent use to unblank, can effectively avoid so illegally adopting mechanical key to open the door, so that mechanical key is purely as the backup unlocking means.Therefore, electronic lock of the present utility model improves greatly than conditional electronic door lock and mechanical door lock security performance.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the electronic lock sectional view of the pure backup of mechanical key of the utility model preferred embodiment;
Fig. 2 is the electronic lock outdoor section structural representation of the pure backup of mechanical key of the utility model preferred embodiment;
Fig. 3 is the electronic door lock body structural representation of the pure backup of mechanical key of the utility model preferred embodiment;
Fig. 4 is the electronic lock indoor section construction schematic diagram of the pure backup of mechanical key of the utility model preferred embodiment;
Fig. 5 is the electronic lock structure control circuit part theory diagram of the pure backup of mechanical key of the utility model preferred embodiment.
The specific embodiment
Electronic lock structure such as Fig. 1 of the pure backup of mechanical key of the utility model preferred embodiment, Fig. 2, Fig. 3 and shown in Figure 4, comprise lock body 10, wherein also comprise the lock body linkage of unblanking or locking for driving lock body 10, the control pin 14 that is used for the moving device of limitation lock sports association, be used for the control control pin 14 micro machine modules 40 that move up and down, and comprise be used to obtaining visitor's identity information, and the identity authenticating unit circuit 50 that identity information is verified, and be used for sending driving signal by rear to micro machine module 40 in authentication, with the governor circuit 60 of cancellation to the restriction of lock body linkage; Electronic lock also comprises the lock core assembly, and whether is rotated testing circuit 30 by the lock core of key turns for detection of lock core assembly internal cylinder 21; Governor circuit 60 rotates testing circuit 30 with lock core and is connected, be used for detecting that lock core rotates and supply voltage sends the driving signal that keeps the restriction of lock body linkage when being higher than preset value, to micro machine module 40, and be used for sending cancellation to the driving signal of lock body linkage restriction having detected that lock core rotates and supply voltage when being lower than preset value to micro machine module 40.Wherein, power supply preferably adopts battery 17 to provide.
In above-described embodiment, rotate testing circuit 30 by lock core is set, when adopting key rotation lock core 21 and battery 17 voltages to be higher than preset value, can send the driving signal that keeps the restriction of lock body linkage to micro machine module 40 by governor circuit 60; When battery 17 voltages are lower than preset value or governor circuit 60 inefficacy, then can adopt mechanical key for subsequent use to unblank, can effectively avoid so illegally adopting mechanical key to open the door, so that mechanical key is purely as the backup unlocking means.Therefore, the electronic lock of present embodiment improves greatly than conditional electronic door lock and mechanical door lock security performance.
In above-described embodiment, preferably, as illustrated in figs. 1 and 2, the lock body linkage comprises door handle 16, the handle turning cylinder 11 that is connected with door handle 16, handle turning cylinder connector 12 and lock body connector 13, is provided be used to the pinhole 15 that holds control pin 14 at handle turning cylinder connector 12 and lock body connector 13.After the lock body linkage installed, under the normal operating conditions, pinhole 15 and control pin 14 were located along the same line.When control pin 14 was positioned at pinhole 15, the lock body linkage was in the state of cancellation restriction, by door handle 16 rotations of lock body linkage, and the dead bolt motion in the controlled lockmaking body 10, thus unblank; On the contrary, after control pin 14 withdrawed from the pinhole 15, the lock body linkage was in confined state, moves by the dead bolt in the uncontrollable lock body 10 of lock body linkage.
In above-described embodiment, governor circuit 60 sends to micro machine module 40 and keeps the driving signal of lock body linkage restriction and send cancellation to micro machine module 40 and can adopt various ways to realize to the driving signal of lock body linkage restriction, can by the moving up and down or seesaw to realize restriction to the lock body linkage of control control micro electric machine module 40, also can be other implementations for example.
Preferably, the motion of control pin 14 is controlled by micro machine module 40 by governor circuit 60, be provided with on the micro machine module 40 for driving control pin 14 moving components that move up and down 41, but governor circuit 60 control micro electric machine modules 40 move up and down in overall within the specific limits simultaneously, the maximum mobile 3mm that for example makes progress, downward maximum mobile 3mm.Under normal circumstances, being installed in controls in the lock body connector 13 sells the strength of 14 inner springs and is at ordinary times the state of stretching out, after the moving component 41 of micro machine module 40 moves upward, control pin 14 moves accompany movement parts 41 together, enter in the handle turning cylinder connector 12, turn the handle 16 this moment, and door handle 16 will rotate (interlock) with lock body connector 13, and realize the opening and closing action of door lock.
In above-described embodiment, preferably, the lock core assembly comprises lock core 21, lock core rotatable parts 22 and permanent magnet 23.Can be with movable lock core 21 to rotate by supporting mechanical key, band movable lock core rotatable parts 22 and permanent magnet 23 rotated together when lock core 21 rotated, and permanent magnet 23 position movements trigger the tongue tube action on the lock core rotation testing circuit 30, thereby are rotated the rotation that testing circuit 30 detects lock core 21 by lock core.
When not detected the lock core rotation, obtain and verify visitor's identity information by identity authenticating unit circuit 50, and by governor circuit 60 when authentication information is passed through, send the driving signal to micro machine module 40, with the restriction of cancellation to the lock body linkage, specifically refer to: the governor circuit 60 control micro electric machine modules 40 integral body certain distance (for example 3mm) that moves upward, after lock core 21 turns to extreme position, can promote the micro machine module 40 integral body certain distance (for example 3mm) that moves upward, the moving component 41 of micro machine module 40 is followed and is moved upward, and promotion control pin 14 enters in the handle turning cylinder connector 12, turn the handle 16 this moment, and door handle 16 will rotate (interlock) and realize that the opening and closing of door lock move with lock body connector 13.
Lock core rotates and battery 17 voltages are higher than preset value (for example 5.2V) when having detected, and during governor circuit 60 normal operation, expression has mechanical key illegally to unblank, this moment, governor circuit 60 sent the driving signal that keeps the restriction of lock body linkage to micro machine module 40, specifically refer to: governor circuit 60 control micro electric machine modules 40 integral body move downward certain distance (for example 3mm), after lock core 21 turns to extreme position, can promote the micro machine module 40 integral body certain distance (for example 3mm) that moves upward, micro machine module 40 moving component 41 still was not enough to promote control pin 14 with respect to the displacement of control pin 14 and entered in the handle turning cylinder connector 12 this moment, this moment, door handle 16 and lock body connector 13 can not link together, in any case namely door handle rotation all can't opening door lock.
Lock core rotates and cell voltage is lower than preset value (for example 5.2V) when having detected, and when governor circuit 60 lost efficacy, the expression cell voltage cross low or door lock control system unusual, this moment, governor circuit 60 sent cancellation to the driving signal of lock body linkage restriction to micro machine module 40, specifically refer to: the governor circuit 60 control micro electric machine modules 40 integral body certain distance (for example 3mm) that moves upward, after lock core 21 turns to extreme position, can promote the micro machine module 40 integral body certain distance (for example 3mm) that moves upward, the moving component 41 of micro machine module 40 is followed and is moved upward, and promotion control pin 14 enters in the handle turning cylinder connector 12, turn the handle 16 this moment, and door handle 16 will rotate (interlock) and realize the opening and closing action of door lock with the lock body linkage.
That is, when power supply (battery 17) voltage is higher than setting value and governor circuit 60 when working properly, no matter adopt legal key still to adopt the illegal rotational lock core of other instrument, electronic lock all can't technical opening in the short time.Only have when power supply (battery 17) voltage to be lower than in the situation that setting value or governor circuit 60 lost efficacy, adopt the legal key could normal opening door lock.That is to say that mechanical key can only be as the normal pure backup unlocking mode behind the opening door lock of electronics mode, this mode can allow the user adopt the electronics mode fast, accurately, opening door lock expediently, greatly improved again simultaneously the difficulty that adopts illegal means technical opening door lock, the customer can relievedly use.
In a further embodiment, the governor circuit 60 of electronic lock comprise microprocessor 61 and be connected with microprocessor 61, for detection of the voltage detecting circuit 65 of cell voltage.Wherein, voltage detecting circuit 65 be used for providing the battery 17 of power supply to be connected, can adopt comparator circuit to realize, and the voltage comparative result is sent to microprocessor 61 with the form of different magnitudes of voltage, send control signal by microprocessor 61 to micro machine module 40 again.Need not to provide in the situation of civil power like this, adopting battery 17 power supplies to use some months even the time of one or two years and need not to change battery.When battery 17 brownout, then can adopt the mechanical key of backup to unblank.
In a further embodiment, the governor circuit 60 of electronic lock also comprise with microprocessor 61 be connected, for detection of the illegal open alarm signal deteching circuit 68 whether illegal open alarm signal is arranged; Preferably, governor circuit 60 also comprises with microprocessor 61 and is connected, is used for detecting that lock core rotates and battery 17 voltages drive the warning drive circuit 67 that warning device 66 is reported to the police when being higher than the predeterminated voltage value; Preferably, governor circuit 60 also comprises memory cell 62, the key-press input unit 63 that is connected with microprocessor 61 and is used for sending the control module 64 that drives signal to micro machine module 40.Wherein, above-mentioned each unit all adopts hardware circuit to realize.When governor circuit 60 is received the lock core rotation detection signal, can drive warning device 66 and send warning (such as audio alert, short message of mobile telephone for alarm, telephone call etc.), thereby frighten the further behavior that resistance is illegally unblanked.When governor circuit 60 broke down, governor circuit 60 can not detect the signal that illegally opens the door, and also just can not start warning circuit, so just can guarantee when governor circuit 60 breaks down, and can use key with door-lock opening.
Further, in above-described embodiment, identity authenticating unit circuit 50 comprises be used to the identity information acquisition device 51 that obtains visitor's identity information and for the analysis circuit 52 that identity information is carried out analysis verification.Wherein, identity information acquisition device 51 can be for the finger print information collector that gathers finger print information, be used for obtaining user cipher the encrypted message collector, be used for obtaining the card information collector of user's card information or be used for receiving the remote control input message collector etc. of the remote signal that user remote controller sends.Also can adopt simultaneously the multiple authentication mode in fingerprint, password, smart card and the remote control checking, the user only need verify by a kind of can opening the door wherein, perhaps require user's simultaneous verification by two or three just can open the door wherein, with the safety of further raising electronic lock.
Be appreciated that, in the electronic lock in the various embodiments described above, the unit of control circuit rationally can be arranged in the door lock housing, and on the outdoor panel of electronic lock and indoor panel, rational parts are set respectively, such as Fig. 2 and shown in Figure 4, can door handle 16 be set at outdoor panel, be convenient to the mechanical key unit 18 of mechanical key insertion, the keyboard 631 of being convenient to user's input validation information, identity information acquisition device 51 etc.; Can door handle 16, battery case lid 171 be set at indoor panel, lock button 19 etc.Wherein, the specific constructive form of electronic lock is not limited to the structure shown in Fig. 1, Fig. 2, Fig. 3 and Fig. 4, can be any form of structure that adopts the various embodiments described above principle to carry out conversion, in this for example explanation that differs.
In sum, the utility model rotates testing circuit by lock core is set, and when adopting key rotation lock core and cell voltage to be higher than preset value, can send the driving signal that keeps the restriction of lock body linkage to the micro machine module by governor circuit; When cell voltage is lower than preset value or governor circuit inefficacy, then can adopt mechanical key for subsequent use to unblank, can effectively avoid so illegally adopting mechanical key to open the door, so that mechanical key is purely as the backup unlocking means.Therefore, electronic lock of the present utility model improves greatly than conditional electronic door lock and mechanical door lock security performance.
Should be understood that, for those of ordinary skills, can be improved according to the above description or conversion, and all these improvement and conversion all should belong to the protection domain of the utility model claims.
Claims (9)
1. the electronic lock of the pure backup of mechanical key, comprise lock body (10), be used for driving the lock body linkage that described lock body (17) is unblanked or locked, be used for limiting the control pin (14) of described lock body linkage, be used for controlling the micro machine module (40) that described control pin (14) moves up and down, and comprise be used to obtaining visitor's identity information, and the identity authenticating unit circuit (50) that described identity information is verified, and be used for sending driving signal by rear to described micro machine module (40) in authentication, with the governor circuit (60) of cancellation to described lock body linkage restriction; It is characterized in that,
Described electronic lock also comprises the lock core assembly, and whether is rotated testing circuit (30) by the lock core of key turns for detection of described lock core assembly internal cylinder (21);
Described governor circuit (60) rotates testing circuit (30) with described lock core and is connected, be used for detecting that lock core (21) rotates and supply voltage when being higher than preset value, sending the driving signal that keeps the restriction of lock body linkage to described micro machine module (40), and
Be used for sending cancellation to the driving signal of lock body linkage restriction having detected that lock core (21) rotates and described supply voltage when being lower than preset value to described micro machine module (40).
2. electronic lock according to claim 1 is characterized in that, described governor circuit (60) comprises microprocessor (61) and be connected with described microprocessor (61), for detection of the voltage detecting circuit (65) of described supply voltage.
3. electronic lock according to claim 2 is characterized in that, described governor circuit (60) also comprises with described microprocessor (61) and being connected, for detection of the illegal open alarm signal deteching circuit (68) whether illegal open alarm signal is arranged.
4. electronic lock according to claim 3, it is characterized in that described governor circuit (60) also comprises with described microprocessor (61) and being connected, be used for detecting that lock core (21) rotates and described supply voltage when being higher than the predeterminated voltage value, driving the warning drive circuit (67) that warning device (66) is reported to the police.
5. electronic lock according to claim 4, it is characterized in that described governor circuit (60) also comprises memory cell (62), the key-press input unit (63) that is connected with described microprocessor (61) and is used for sending the control module (64) that drives signal to described micro machine module (40).
6. electronic lock according to claim 5, it is characterized in that described identity authenticating unit circuit (50) comprises be used to the identity information acquisition device (51) that obtains visitor's identity information and for the analysis circuit (52) that described identity information is carried out analysis verification;
Described identity information acquisition device (51) is one or more in finger print information collector, encrypted message collector, card information collector and the remote control input message collector.
7. electronic lock according to claim 1, it is characterized in that, described lock body linkage comprises door handle (16), the handle turning cylinder (11) that is connected with described door handle (16), handle turning cylinder connector (12) and lock body connector (13), is provided be used to the pinhole (15) that holds described control pin (14) at described handle turning cylinder connector (12) and lock body connector (13).
8. electronic lock according to claim 1 is characterized in that, described lock core assembly comprises lock core (21), lock core rotatable parts (22) and permanent magnet (23).
9. electronic lock according to claim 1 is characterized in that, described power supply is battery (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220504050 CN202913798U (en) | 2012-09-28 | 2012-09-28 | Electronic door lock with mechanical key serving as pure backup |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220504050 CN202913798U (en) | 2012-09-28 | 2012-09-28 | Electronic door lock with mechanical key serving as pure backup |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202913798U true CN202913798U (en) | 2013-05-01 |
Family
ID=48162120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220504050 Expired - Fee Related CN202913798U (en) | 2012-09-28 | 2012-09-28 | Electronic door lock with mechanical key serving as pure backup |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202913798U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104465160A (en) * | 2014-11-19 | 2015-03-25 | 国网浙江余姚市供电公司 | Lock control module |
| CN110593661A (en) * | 2019-08-22 | 2019-12-20 | 中山市逸家安防科技有限公司 | Intelligent lock control method and intelligent lock applying same |
| CN111197431A (en) * | 2019-12-30 | 2020-05-26 | 厦门美科物联科技有限公司 | Novel electronic lock structure |
| CN116220479A (en) * | 2023-02-01 | 2023-06-06 | 江汉大学 | Intelligent mechanical door lock reconstruction device and method and related equipment |
-
2012
- 2012-09-28 CN CN 201220504050 patent/CN202913798U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104465160A (en) * | 2014-11-19 | 2015-03-25 | 国网浙江余姚市供电公司 | Lock control module |
| CN110593661A (en) * | 2019-08-22 | 2019-12-20 | 中山市逸家安防科技有限公司 | Intelligent lock control method and intelligent lock applying same |
| CN111197431A (en) * | 2019-12-30 | 2020-05-26 | 厦门美科物联科技有限公司 | Novel electronic lock structure |
| CN116220479A (en) * | 2023-02-01 | 2023-06-06 | 江汉大学 | Intelligent mechanical door lock reconstruction device and method and related equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20130501 Termination date: 20130928 |