CN101748940A - Intelligent burglar-proof lock of safety box - Google Patents
Intelligent burglar-proof lock of safety box Download PDFInfo
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- CN101748940A CN101748940A CN200910260819A CN200910260819A CN101748940A CN 101748940 A CN101748940 A CN 101748940A CN 200910260819 A CN200910260819 A CN 200910260819A CN 200910260819 A CN200910260819 A CN 200910260819A CN 101748940 A CN101748940 A CN 101748940A
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- key
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Abstract
The invention discloses an intelligent burglar-proof lock of a safety box, which comprises a key, a lock body, and a panel, wherein the lock is internally provided with a lock cylinder, a main control chip, an electromagnet assembly, an audio alarm and a work power supply, and the key is provide with an IC (integrated circuit) card circuit storing a password, a conductive contact, and a mechanical contact; the lock cylinder is internally provided with a conductive spring and a mechanical spring which are corresponding to the conductive contact and the mechanical contact of the key; the main control chip is internally provided with a CPU (central processing unit) memory which is provided with a password memory for comparing with the password output by the IC card and an unlocking program controller; and the input end of the main control chip is connected with a keyboard for inputting the password, the output end of the main control chip is connected with an unlocking electromagnet assembly and a liquid crystal display screen for displaying the working state of the lock body, and the input end of the main control chip is also connected with a detection circuit for detecting the unlocking working state of an electromagnet. In the invention, an emergency unlocking lock cylinder of an original electronic safety box is removed, a normal unlocking lock cylinder is integrated with the emergency unlocking lock cylinder into a whole, and an emergency IC card password key is added in case of forgetting the password, thereby improving the safety factor of the electronic safety box.
Description
Technical field
The electromechanical integration lockset that the present invention relates to, simple to operation, the electromechanical integration lockset that safety factor is higher, a kind of electronic password lock that substitutes existing safety cabinet.
Background technology
China upgraded about the standard GB 10409-2001 of theft proof strongbox so far in calendar year 2001, the lockset of electronic password lock safety cabinet does not have great change always, for a long time, the cheap plum blossom key of use cost is as emergent unlocking device, electronic password lock in the safety cabinet of selling on the market now, emergent plum blossom key has become the standard configuration of each safety cabinet.
As shown in Figure 8, it is the cut-away view of the most salable small-sized safety cabinet coded lock on the market, comprise master control borad 37, LCDs 25, input button 26, core of emergency lock 41, core of emergency lock connecting rod 39, electromagnet assembly 33, electromagnet brace 40, main dead bolt trace 31, main lock core 38 etc., these parts are installed on the safe door.Main lock core 38 is turning-bolt lock cores, it is by drive link 27, tongue switching bar 32, one headgear of tongue switching bar 32 is in the stopper slot 29 of dead bolt trace 31, main lock core 38 tongue switching bar 32 when rotating is done equidirectional motion in company with main lock core 38, also driven dead bolt gangbar 31 and done moving of horizontal direction, the dead bolt 28 that is fixed on the dead bolt trace 31 is moved horizontally.When the user normally unblanks at ordinary times, press the input button 26 of appointment earlier, receive button input and connection, after master control borad 37 receives instruction, point brightness liquid crystal display screen 25, the explicit user machine is normal, the user inputs password on key panel 26, master control borad 37 comparison input passwords and user are pre-stored in the password on the master chip, if the password unanimity, master control borad is connected solenoid circuit, and magnet exciting coil 36 flows through electric current, iron core 34 in the limit spring 35 is inhaled down, and the user can insert key 43 rotations and dead bolt 28 levels retreated open safety cabinet in the regular hour.
Core of emergency lock 41 is a kind of plum blossom lock cores, and the afterbody of core of emergency lock has been fixed an emergent lock connecting rod 39, the direction of motion unanimity of connecting rod 39 with core of emergency lock 41 of should meeting an urgent need when core of emergency lock rotates.Should emergent connecting rod 39 be positioned at electromagnet brace 40 directly over, when the emergency key 42 that is complementary inserts core of emergency lock 41 and rotates, emergent lock connecting rod 39 and then moves down, just depress electromagnet brace 40, dead bolt gangbar 31 can be moved to the direction of unblanking under the drive of main lock core 38, lock also can be unlocked, and this device mainly is the energency-unlocking of user when forgeing password.Using emergent unlocking device to come the opening safety case, plum blossom lock core and plum blossom key all are the very simple mechanical locks of structure, be very easy to be copied and utilize its technical opening safety cabinet by the unprincipled fellow, because the control line of electromagnet all is installed on the outer plastic cover plate of safety cabinet, the unprincipled fellow also can destroy plastic cover plate easily, and the switch of control electromagnet reaches the purpose of opening safety cabinet.CN101187272A proposes a kind of monolithic processor controlled mechanical-electronic puzzle lock, though it proposes be provided with on the key and corresponding password of single-chip microcomputer preset password and encryption memory, in the corresponding contact of lock core keyhole outer periphery, but can not be used for safety cabinet, particularly can not be used for emergent unlocking, its power supply and signal circuit complex structure, also inapplicable puzzle lock.
Summary of the invention
The present invention be directed to the existing existing defective of safety cabinet electronic password lock; design a kind of merges machinery and electronics is dynamo-electric couple of control integrated lockset users of one; can in same lock core, carry out normal or emergent unlocking; the refusal disabled user unblanks and reports to the police, and stops the possibility of technology unlocking.
Technical scheme of the present invention is: intelligent burglar-proof lock of safety box, comprise key, lock body and panel, establish lock core, main control chip, electromagnet assembly, audible alarm and working power in the lock body, it is characterized in that being provided with on the key IC-card circuit, electric contact and the mechanical contact of storage password; Be provided with conductive contact and corresponding conduction pellet shot from a slingshot of mechanical contact and mechanical billiard in the lock core with described key; Be provided with the CPU memory in the main control chip, described memory is provided with the encryption memory and the cyclelog of unblanking that the password with the output of described key IC-card compares; The input of main control chip connects the keyboard of input password, and the output of main control chip connects the unlock solenoid assembly and shows the LCDs of lock body duty, and the input of main control chip also connects and detects the unblank testing circuit of duty of electromagnet.
Described electric contact on the key is to be located at conductive contact and corresponding with the conduction pellet shot from a slingshot in the described lock core on the key, and conductive contact is transmitting IC-card chip password simultaneously for key IC-card circuit supply.Described mechanical contact on the key is for being located on the key bar, and with described lock core in mechanical billiard shape and the corresponding mechanical contact point of quantity.
Described key also comprises normally unblank key and emergent unlocking key, is provided with the IC-card circuit and the energising contact of storage password in the described emergent unlocking key.
Compare with the existing market cabinet electronic password lock of insuring, the present invention has cancelled the emergent unlocking lock core of original Electronic safe, normally unblank lock core and emergent unlocking core are united two into one, employing has mechanical billiard and contains the electromechanical key of IC-card password, has increased IC-card cipher key emergent when being used to forget password.The user inserts the correct password of key and button input and can open safety cabinet under normal condition, and when forgeing password, by starting the emergent unlocking program of master control borad, the user can use normal key and emergency key to come the opening safety cabinet by same lock core.The present invention has kept the traditional form that Electronic safe is unblanked, and has cancelled the higher emergent unlocking device that has big potential safety hazard again of fault rate.Fundamentally reformed the mentality of designing of safety cabinet lockset, not only reduced the cost of production of whole safety cabinet but also improved the safety factor of Electronic safe.
Description of drawings
Fig. 1 is an electromechanical integration lock body structure block diagram.
Fig. 2 is the invention process circuit diagram, is key IC-card chip circuit in the frame of broken lines among the figure.
Fig. 3 is the sectional drawing of lock core structure.
Fig. 4 is a key internal construction schematic diagram, and wherein Fig. 4 a is the key of normally unblanking, and Fig. 4 b is an emergency key.
Fig. 5 is an electronic password lock safety cabinet structural perspective of the present invention, and wherein Fig. 5 a is the lock body internal construction, and Fig. 5 b is the lock panel schematic diagram.
Fig. 6 is the workflow diagram of normally unblanking.
Fig. 7 is for forgeing password emergent unlocking flow chart.
Fig. 8 primary electron puzzle lock safe structural perspective, wherein Fig. 8 a is the lock body internal construction, Fig. 8 b is the lock panel schematic diagram.
The specific embodiment
Fig. 1 had both represented the electromechanical integration lock body structure, represent that also with main control chip 3 be the signal flow at center, establish the IC-card chip in key 1 handle, establish key conductive contact and mechanical contact on the key bar, lock core 2 comprises lock core conduction pellet shot from a slingshot and mechanical billiard, main control chip 3 comprises main control chip CPU and peripheral circuit, and the input of main control chip 3 flexibly connects by lock core conduction pellet shot from a slingshot and key conductive contact, has both conducted data-signal and also has been key IC-card power supply (representing with four-headed arrow).LCDs 4 is connected to the output of main control chip 3, input keyboard 5 is connected to the input of main control chip 3, the output that unlock solenoid assembly 7 is connected to main control chip 3 is used to carry out unlock instruction, establishes in the main control chip 3 normally to unblank and the emergent unlocking program is used to control the action of unlock solenoid.
Fig. 2 is the enforcement circuit diagram that is located in the lock body, and V1 is that CPU selects 486N for use, and V2 is a key IC-card chip, comprises the IC-card chip of normally unblank key 12 and emergent unlocking key 14.
Referring to Fig. 2, dotted portion, the power supply and the data transmission circuit of expression 2.IC-card key circuit is made up of chip V2 and its peripheral diode D2, capacitor C 1, C2 and resistance R 2, R3.Diode D2 is connected on CK and the VCC end of chip V2 and makes the hour hands circuit, capacitor C 2 is connected on VCC and the RST end of chip V2, resistance R 3 is connected on RST and the CND end of chip V2 and makes to reset circuit, capacitor C 1 is connected on VCC and the GND end of main control chip V2, resistance R 2 is connected on CK and the DO end of main control chip V2 and makes the transmission data circuit, it has only one group of contact to be connected with the V2 chip power supply circuit, this power supply is to rely on the conducting formation pulse voltage of little main control chip V1 control triode G1 DC voltage to be provided for the V2 chip through D2 rectification C1 filtering, this pulse voltage directly is connected with the clock end of V2 chip simultaneously, triggers the V2 chip operation.Resistance R 2 and capacitor C 2 have realized the electrification reset function of V2 chip, and resistance R 3 has realized the isolation and the transmission of data on supply lines of FPDP and power supply, and diode D2 and capacitor C 2 realize the isolation and the voltage stabilizing function of power supply.Main control chip V1 is connected with data wire one end by resistance R 1 and reads key IC-card data, and is connected with triode G1 and makes the power supply circuits of V2 chip.The electromagnetic assembly 7 of unblanking is made up of electromagnetic coil L1 and electromagnetic core T2, triode G3 and diode D1, and triode G3 is connected with the P12 pin of V1 chip, the output control signal, and electromagnetic coil L1 is magnet exciting coil 36.Audible alarm circuit is made up of triode G2, buzzer B1.Testing circuit 6 is made up of triode G3 and switch S 1.
This device is applied in the circuit working condition detection.P16 detection at ordinary times is the state of S1, and the output level height of decision P12 is guaranteed the correct adhesive of electromagnet when normal use.When the V1 program got muddled, P12 exported high level, and lock core had a little rotation when the user inserted key turns, so closed switch 30, electromagnet 33 is inhaled lower cores 34, and safety cabinet just can be opened.
Referring to Fig. 3, critical piece of the present invention is a lock core.Pellet shot from a slingshot in the lock core comprises conduction pellet shot from a slingshot 15 and mechanical billiard 21, and the conduction pellet shot from a slingshot 15 in the lock core hole 20 is located at first of mechanical billiard 21 front ends.Conduction pellet shot from a slingshot 15 has conductive contact 17, there is helical spring 18 conductive contact 17 lower ends, surround the insulation sleeve 16 of conduction pellet shot from a slingshot 15, surround the insulation sleeve 19 of conductive contact 17 and helical spring 18, conduction pellet shot from a slingshot 15 connects conductive contact 17 and is external to main control chip 3 by helical spring 18.At the affixed dwang 27 of the afterbody of this lock core 2, dwang 27 terminal vertical affixed tongue switching bars 32, one headgear of tongue switching bar 32 is in dead bolt trace stopper slot 29, lock body tongue switching bar 32 when rotating is done equidirectional motion in company with lock core 2, and dead bolt trace 31 drives dead bolt and moves horizontally.
Referring to Fig. 4, the IC-card of the present invention key 12 of unblanking, be respectively equipped with on it with mechanical billiard 21 corresponding mechanical contacts 22 and with conduction pellet shot from a slingshot 15 corresponding conductive contacts 23, the power supply of IC-card and data contact 23 are located at the primary importance of lock core mechanical billiard front end in the key, V2 chip and circuit 24 thereof are arranged in handle, password with the storage user, the user is when normal the use, can insert this key, conduction pellet shot from a slingshot 15 is connected with key contact 23, and mechanical billiard 21 and the contraposition of key mechanical contact, V1 have detected key and inserted lock core 20, just read the identification cipher of key 12 by contact 23, and compare with the data that are pre-stored among the V1, relatively more consistent, key is legal, can send prompt tone, the prompting user inputs password.The emergent IC-card key 14 of unblanking only is provided with on it and conducts electricity pellet shot from a slingshot 15 corresponding contact points 23, and is located at the primary importance of lock core mechanical billiard front end, also is built-in with IC-card 24 in its handle portion, is used for storing user's password.The user is when forgeing password, can insert this emergency key 14, conduction pellet shot from a slingshot 15 is connected with key contact 23, the key unlocking signal is provided, and V1 has detected key and has inserted lock core hole 20, just reads the identification cipher of key 14 by contact 23, and compare with the data that are pre-stored among the V1, relatively more consistent, can send prompt tone, prompting can be inserted legal key 12 and be unblanked under the state of not inputing password.
Referring to Fig. 5, this is a cut-away view of the present invention, structural member comprises main control chip 3, LCDs 4, input button 5, electromagnet 33, main dead bolt 28, main dead bolt trace 31, lock core 2 and is located at its terminal dwang 27 and tongue switching bar 32 that LCDs 4 and input button 5 are installed on the safe door.Electromagnet 33 is basic identical with former safety cabinet electromagnet, owing to saved former core of emergency lock 41, electromagnet 33 of the present invention has also saved electromagnet brace 40, just can be unlocked so must use external power supply to reenter program at this machine safety cabinet when not having power supply, this measure makes safety cabinet stop the possibility of technology unlocking to the full extent.
Because key 12 has used the bigger V2 chip of memory size,, can make different keys have different authorities therefore by the data that deposit IC-card in are carried out specific coding.Wherein owner's key has increase, deletes, limits the right of other keys.In case there is key loss maybe will increase other validated user, owner can start the key recognizer by specific button input.Key identification is only held owner's key and is just had the right, and prevents from arbitrarily to discern the unsafe factor that key brings, and guarantees the reliability of key, preservation trouble and the unsafe factor of having avoided the conventional electrical lock to adopt special-purpose identification key to bring.
Below sketch duty of the present invention and process:
Referring to Fig. 5 and Fig. 6, when master key 12 inserts lock core hole 20, connect main control chip V1 and detected the loop, main control chip V1 starts working, and behind master key 12 whole insertion lock core holes 20, main control chip V1 is connected with conduction pellet shot from a slingshot 15 in the lock body by the conductive contact 23 of master key 12, and V1 conducting G1 output voltage is powered to the IC-card 24 of key 12.Read the password that prestores on the IC-card 24 in the master key 12 and compare, misfit as data, will think that the disabled user invades, main control chip makes the G2 conducting, and B1 sends chimes of doom.When if the code data that prestores on the IC-card 24 in user's the master key 12 coincide, main control chip point brightness liquid crystal display screen 4, and enable keyboard input, the user is at input password on the keyboard 5 and after confirming, the password that 3 pairs of these passwords of main control chip and original user are pre-stored on the main control chip compares, data as input misfit, main control chip 3 makes B1 send prompt tone prompting user and imports once more, when inputing password, the user still can not match for the third time with the password that prestores, the G2 conducting, B1 sends the high-decibel caution sound.If the password and the password that prestores of user's input match, main control chip V1 is to electromagnet 33 power supplies, and magnet exciting coil 36 flows through electric current and produces magnetic field, inhales lower core, and dead bolt trace 31 is moved to the left under the drive of key turns, and safety cabinet has just been opened smoothly.
Referring to Fig. 7, in actual use, in time, has because of the user forgets the thing that password can not the opening safety cabinet and takes place, at this type of problem, the solution that the present invention proposes: the user can insert another emergent unlocking key 14, and the legitimacy of main control chip V1 checking emergent unlocking key 14 is as illegally, B1 sends the high-decibel caution sound, as legal, B1 sends prompt tone, and the prompting user inserts key 12 and unblanks, the user transfers to key 14, insert key 12, if key 12 is legal, main control chip V1 is just to electromagnet 33 power supplies, make it inhale lower core, the rotatable key of user has been opened safety cabinet.
Claims (8)
1. intelligent burglar-proof lock of safety box comprises key, lock body and panel, establishes lock core, main control chip, electromagnet assembly, audible alarm and working power in the lock body, it is characterized in that being provided with on the key IC-card circuit, electric contact and the mechanical contact of storage password; Be provided with electric contact and corresponding conduction pellet shot from a slingshot of mechanical contact and mechanical billiard in the lock core with described key; Be provided with the CPU memory in the main control chip, described memory is provided with the encryption memory and the cyclelog of unblanking that the password with the output of described key IC-card compares; The input of main control chip connects the keyboard of input password, and the output of main control chip connects the unlock solenoid assembly and shows the LCDs of lock body duty, and the input of main control chip also connects and detects the unblank testing circuit of duty of electromagnet.
2. intelligent burglar-proof lock of safety box according to claim 1, it is characterized in that the conductive contact (23) on the described key (1) is corresponding with the conduction pellet shot from a slingshot (15) in the described lock core (2), conductive contact (23) transmits IC-card chip password in IC-card circuit (24) power supply that is key (1).
3. intelligent burglar-proof lock of safety box according to claim 1, it is characterized in that mechanical electric contact (22) on the described key (1) for being located on the described key bar, and with described lock core (2) interior mechanical billiard (21) shape and the corresponding mechanical contact of quantity (23).
4. intelligent burglar-proof lock of safety box according to claim 1 is characterized in that described lock core (2) unites two into one for normally unblank lock core and emergent unlocking core.
5. intelligent burglar-proof lock of safety box according to claim 1 is characterized in that described key (1) also comprises emergent unlocking key (14), is provided with the IC-card circuit (24) and the conductive contact (23) of storage password in the described emergent unlocking key (14).
6. intelligent burglar-proof lock of safety box according to claim 1, it is characterized in that the described electromagnetic assembly of unblanking (7) is made up of electromagnetic coil L1, electromagnetic core T2, triode G3 and diode D1, triode G3 is connected with the P12 pin of V1 chip, output control unlocking signal.
7. intelligent burglar-proof lock of safety box according to claim 1, it is characterized in that described testing circuit (6) is made up of triode G3 and switch S 1, the end of triode G3 and the P12 of V1 chip join, and the output termination of triode G3 is used to detect the switch S 1 of V1 duty.
8. intelligent burglar-proof lock of safety box according to claim 1 is characterized in that the output of described master control borad (3) also is connected to the audible alarm circuit of being made up of triode G2, buzzer B1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910260819A CN101748940A (en) | 2009-12-11 | 2009-12-11 | Intelligent burglar-proof lock of safety box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910260819A CN101748940A (en) | 2009-12-11 | 2009-12-11 | Intelligent burglar-proof lock of safety box |
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| Publication Number | Publication Date |
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| CN101748940A true CN101748940A (en) | 2010-06-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910260819A Pending CN101748940A (en) | 2009-12-11 | 2009-12-11 | Intelligent burglar-proof lock of safety box |
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| CN (1) | CN101748940A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102230344A (en) * | 2011-06-21 | 2011-11-02 | 宁波永发集团有限公司 | Coded lock permanent magnet assembly locking device |
| CN102296887A (en) * | 2011-07-30 | 2011-12-28 | 中山军安数码科技有限公司 | Key with power taking structure |
| CN104847175A (en) * | 2015-04-10 | 2015-08-19 | 中科富创（北京）科技有限公司 | Locking controlling circuit and controlling circuit of express delivery cabinet |
| CN111734221A (en) * | 2020-06-23 | 2020-10-02 | 上海市信息管线有限公司 | Well lid unlocking method, device, equipment, storage medium and system |
-
2009
- 2009-12-11 CN CN200910260819A patent/CN101748940A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102230344A (en) * | 2011-06-21 | 2011-11-02 | 宁波永发集团有限公司 | Coded lock permanent magnet assembly locking device |
| CN102296887A (en) * | 2011-07-30 | 2011-12-28 | 中山军安数码科技有限公司 | Key with power taking structure |
| CN104847175A (en) * | 2015-04-10 | 2015-08-19 | 中科富创（北京）科技有限公司 | Locking controlling circuit and controlling circuit of express delivery cabinet |
| CN104847175B (en) * | 2015-04-10 | 2017-09-29 | 中科富创（北京）科技有限公司 | The lock control circuit and control circuit of express delivery cabinet |
| CN111734221A (en) * | 2020-06-23 | 2020-10-02 | 上海市信息管线有限公司 | Well lid unlocking method, device, equipment, storage medium and system |
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Owner name: YONGFA GROUP CO LTD, NINGBO Free format text: FORMER OWNER: GU GANG Effective date: 20100915 Free format text: FORMER OWNER: CAI HAISHAN |
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Free format text: CORRECT: ADDRESS; FROM: 315000 NO.95-97, XIHE STREET, HAISHU DISTRICT, NINGBO CITY, ZHEJIANG PROVINCE TO: 315813 XIAOMEN VILLAGE, BAIFENG TOWN, BEILUN DISTRICT, NINGBO CITY, ZHEJIANG PROVINCE |
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Effective date of registration: 20100915 Address after: Bai Feng Zhen Village in Beilun District of Zhejiang Province, 315813 wickets in Ningbo City Applicant after: Yongfa Group Co., Ltd., Ningbo Address before: 315000 No. 95-97 Xihe street, Haishu District, Zhejiang, Ningbo Applicant before: Gu Gang Co-applicant before: Cai Haishan |
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Application publication date: 20100623 |