CN2756765Y - Intelligent key managing device - Google Patents
Intelligent key managing device Download PDFInfo
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- CN2756765Y CN2756765Y CN 200420055934 CN200420055934U CN2756765Y CN 2756765 Y CN2756765 Y CN 2756765Y CN 200420055934 CN200420055934 CN 200420055934 CN 200420055934 U CN200420055934 U CN 200420055934U CN 2756765 Y CN2756765 Y CN 2756765Y
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Abstract
The utility model relates to an intelligent key managing device, which is matched with a special key box. The utility model is suitable for units which have a large number of keys which need concentrating, high efficiency and safety management. The utility model is composed of a finger-printing collector, a central computer, a control circuit of a monolithic computer, a sampling circuit of a key state, and a driving and executing circuit, wherein the finger-printing collector is connected with the central computer which is connected with the monolithic computer in the control circuit of the monolithic computer via a communication interface; the sampling circuit of the key state is connected with the control circuit of the monolithic computer; the output end of the control circuit of the monolithic computer is connected with the input end of the driving and executing circuit. The utility model has the advantages that with the utility model, the management of a key is safe and scientific; management efficiency is improved; the utility model has multiple functions.
Description
Technical field
The utility model relates to a kind of intelligent key management device, it and the special supporting use of boxes for keys, be applicable to a large amount of keys need concentrate, efficiently, the unit of safety management.
Background technology
Domestic general unit still rests on traditional artificial risk prevention instruments to the safety management of key at present, and this way to manage is because too much dependence people's selfdiscipline exists very big potential safety hazard on the one hand; On the other hand, management unit also can't supervise timely and effectively to the key that is dispersed in each staff.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of safety, science, efficient intelligent key management device.
The technical scheme that its technical problem that solves the utility model adopts:
The utility model is made up of fingerprint acquisition instrument, central computer, single chip machine controlling circuit, key state sample circuit, driving and executive circuit, fingerprint acquisition instrument is connected with central computer, central computer is connected with single-chip microcomputer in the single chip machine controlling circuit by communication interface, key state sample circuit is connected with single chip machine controlling circuit, the output termination driving of single chip machine controlling circuit and the input of executive circuit.
Operating principle of the present utility model is as follows:
The utility model adopts fingerprint identification technology, and the key end user must could take out key by behind the fingerprint authentication.Because the unchangeable property and the diversity of fingerprint, the identity of coming identification to take the key people by fingerprint has very high accuracy and reliability, can effectively stop illegally to take the situation generation of key.The utility model uses to calculate and carries out the identification computing of fingerprint.And send instruction to single board computer by computer, come the exercises of control system by single board computer, and then the various functions of the system of realization, this device can 24 hours be monitored, writes down, is reported to the police the key mode of occupation, is very easy to understanding and the control of administrative staff to the key mode of occupation.
The beneficial effects of the utility model be make the management of key safer, science, and the efficiency of management improves greatly, and has more function.
Description of drawings
Fig. 1 is a theory diagram of the present utility model
Fig. 2 is a single chip machine controlling circuit schematic diagram of the present utility model
Fig. 3 is a key state sample circuit schematic diagram of the present utility model
Fig. 4 is driving of the present utility model and executive circuit schematic diagram
Fig. 5 is a main program flow chart of the present utility model
Fig. 6 is an interrupt routine flow chart of the present utility model
The specific embodiment
By the embodiment shown in Fig. 1-6 as can be known, it is made up of fingerprint acquisition instrument, central computer, single chip machine controlling circuit, key state sample circuit, driving and executive circuit, fingerprint acquisition instrument is connected with central computer, central computer is connected with single-chip microcomputer in the single chip machine controlling circuit by communication interface, key state sample circuit is connected with single chip machine controlling circuit, the output termination driving of single chip machine controlling circuit and the input of executive circuit.
Single chip machine controlling circuit in the present embodiment is made up of single-chip microcomputer U1 and peripheral cell crystal Q1, C1, C2, pull-up resistor R2, interface module U2, U3, bus transceiver U4 and peripheral cell pull-up resistor R1 thereof, three or eight decoder U5, U6, phase inverter U7A-U8A, interface module U3 adopts RS485, interface module U2 adopts MAX487E, 2,3 pin of interface module U2 are connected with 4 pin of single-chip microcomputer U1, and 1,4 pin of interface module U2 are connected with 10,11 pin of single-chip microcomputer U1 respectively; Be connected to the holding circuit of forming by resistance R 3, R4, Zener diode DW1, DW2 between interface module U2 and the U3,6,7 pin of interface module U2 make 1,2 pin of resistance R 4, R3 connection interface module U3 respectively, Zener diode DW1 is connected between 7 pin and ground of U2, and Zener diode DW2 is connected between 6 pin and ground of U2; Interface module U3 is connected with central computer, the output 5-7 pin of single-chip microcomputer U1 is connected with the input 1-3 pin of three or eight decoder U6 respectively, 13 pin of single-chip microcomputer U1 are connected with 4,5 pin of three or eight decoder U6, three or eight decoder U6 7, the 9-15 pin connects 19 pin of the bus transceiver U10-U17 of key state sample circuit respectively through socket CZ1; The 21-28 pin of single-chip microcomputer U1 connects the 2-9 pin of the bus transceiver U10-U17 of key state sample circuit respectively through socket CZ3; The 1-3 pin of single-chip microcomputer U1 connects the 1-3 pin of three or eight decoder U5 respectively, 12 pin of single-chip microcomputer U1 connect 4,5 pin of three or eight decoder U5, three or eight decoder U5 7, the 9-15 pin connects through phase inverter U8A-U7A, socket CZ4 respectively successively and drives and 11 pin of the latch U18-U25 of executive circuit; The 32-39 pin of single-chip microcomputer U1 connects the 9-2 pin of bus transceiver U4 respectively, and the 11-18 pin of U4 connects the 9-2 pin of the latch U18-U25 of driving and executive circuit respectively through socket CZ2.
Key state sample circuit in the present embodiment is by bus transceiver U10-U17 and peripheral cell pull-up resistor R5-R12 thereof, the travel switch KG1-KG60 that is controlled by key card, gate controlled switch KG61, KG62, emergency switch KG63,8 group of 60 road key sample circuit that terminal plate CZ6-CZ8 forms and 3 tunnel warning sample circuits, each switch grouping is connected with bus transceiver U10-U17 respectively by terminal plate, wherein the end of the travel switch KG1-KG8 of first group of 8 road key sample circuit connects the 18-11 pin of bus transceiver U10 through terminal plate CZ6, and their other end is respectively through CZ6 ground connection; The end of boxes for keys Qianmen gate controlled switch KG61 in 3 tunnel warning sample circuits, back protection every control K switch G62, emergency switch KG63 connects the 6-8 pin of bus transceiver U17 respectively through terminal plate CZ8, their other end is respectively through CZ8 ground connection.
Driving in the present embodiment and executive circuit are by latch U18-U25 and peripheral cell pull-up resistor R13-R20, high drive module U27-U35 and peripheral cell capacitor C 3-C11 thereof, relay J 1-J63, sustained diode 1-D63, locking, release magnet DT1-DT61, electrical equipment R22-R81, LED 1-LED60, the circuit of 9 group of 60 tunnel key lock that terminal plate CZ10-CZ13 forms, release circuit and control Qianmen electric lock, keypad lock and buzzer; Wherein first group of 7 tunnel key lock, discharge circuit by latch U18 and peripheral cell pull-up resistor R13 thereof, high drive module U27 and peripheral cell capacitor C 3 thereof, relay J 1-J7, sustained diode 1-D7, locking, release magnet DT1-DT7, resistance R 22-R28, LED 1-LED7, terminal plate CZ10 forms, the 13-19 pin of latch U18 is connected with the 7-1 pin of high drive module U27, the end of relay J 1-J7 connects the 16-10 pin of high drive module U27 respectively, the other end of relay J 1-J7 connects respectively+12V, the end of the constant open contact J1-1-J7-1 of relay J 1-J7 connects respectively+12V, the other end of the constant open contact J1-1-J7-1 of relay J 1-J7 connects locking respectively through terminal plate CZ10, one end of the coil of release magnet DT1---DT7, locking, the other end of the coil of release magnet iron DT1-DT7 is ground connection respectively, each locking, the two ends of the coil of release magnet are parallel with the display circuit that is composed in series by light emitting diode and resistance; One end of the relay J 63 of the relay J 61 of control boxes for keys Qianmen electric lock LOCK, the relay J 62 of control keypad lock, control buzzer S connects respectively+12V, their other end connects 12,11,10 pin of high drive module U35 respectively, one termination+12V of the constant open contact J61-1 of relay J 61, its other end connect the power positive end of boxes for keys Qianmen electric lock LOCK through terminal plate CZ13; One termination+12V of the constant open contact J62-1 of relay J 62, its other end connects an end of the coil of locking, release magnet DT61 through terminal plate CZ13, the other end ground connection of the coil of DT61, the armature supervisory keyboard lock of DT61; One termination+12V of the constant open contact J63-1 of relay J 63, its other end connects the end of buzzer S, buzzer S other end ground connection through terminal plate CZ13.
The course of work of present embodiment is summarized as follows:
One, key state sampling process (referring to Fig. 1-4):
In Fig. 2, the built-in EEPROM application storing of single-chip microcomputer U1.U1 receives the collection order back that central computer sends and connects U6 and be translated into 8 bit address lines by U6 by P14, P15, P16.Distinguish U10-U17 among gating Fig. 3 then.For example: P14, P15, P16 are " 0 ", then among Fig. 3 among the CZ1 AD20 be low level, 19 pin of U10 are low level, U10 is selected effectively.U1 reads the P2 port data can obtain the IN1-IN8 state of totally 8 keys.If key is depression stroke K switch GXX in the key card jack, can obtain data bit and be " 1 ", otherwise data bit is " 0 ".Operation promptly can read the state of 63 switches (KG1-KG3) successively.Send to central computer through U2, U3 successively by programme-control, write database.
Two, the control key card discharges and reports to the police:
U1 receives will finish after central computer releases order and opens the door, reports to the police and release etc., and the concrete course of work is as follows:
P10, the P11 of the P1 mouth of U1, P12 make three or eight decodings, among the anti-phase backgating Fig. 4 of U7 among the U18-U26 one group through U5 successively, and the P0 port data by U1 sends execution command to U18 etc.For example: need to discharge No. 1 key card (KG1).P10, P12, P12 are " 0 ", and then Y0 is " 0 " among the U5, after U7A is anti-phase, 11 pin of U18 are that AD10 is " 1 " among Fig. 4, U18 is selected effectively, and 19 pin of U18 are " 1 ", is " 0 " through 16 pin of the 1 foot control system U27 of U27, relay J 1 adhesive, its contact J1-1 closure ,+12V adds to the OUT1 end through 1,2 pin of CZ10, control DT1 adhesive, the armature withdrawal of DT1 discharges key card.LED1 is bright simultaneously, and expression can be taken out key.
Control Qianmen electric lock LOCK, by J61 through 1,2 pin of CZ13 for electric lock LOCK add+the 12V power supply unblanks:
J62 supervisory keyboard lock is finished by locking, release magnet DT61, and its course of work is with above-mentioned control key dispose procedure;
Control buzzer S report to the police for J63 through 5,6 pin of CZ13 for buzzer S add+the 12V power supply sends warning honeybee sound.
Three, urgent release:
When detecting urgent release signal, that is: when KG63 was closed among Fig. 3, program discharged all key cards successively by above-mentioned control key dispose procedure.
Present embodiment can be realized following function:
1, can all administrative staff's related data be managed, comprising: administrative staff's name, sex, age (birth year, month, day), post, department, finger print information, the key numbering of being managed etc.
2, an operator can manage many keys, and a key can be managed by several operators.
3, the key in some important place can be configured to could be extracted or return by plural operator's co-operate.
4 time zones are provided with, and so that the extraction of key and the time of returning are limited, can define several time periods, have overtime warning function.
5, with record, handle the warning message of various boxes for keys, do not close, illegally extract emergency alarms such as key, overtime district etc. as: fingerprint mistake, cabinet door are overtime.
6, operating personnel can authorize by rank, consider to be divided into secondary; A, system manager have the highest weight limit; B can only carry out key access work.
7, can carry out record to all operations of system, have retrieval, printing function.
8, can advance to discharge all keys in the state of emergency, comprise: fire alarm, advance state of alert etc.
9 can know the single-chip microcomputer of different address codes.
10 overtime warnings, time-delay is 1 minute after boxes for keys is opened, and the information that gives a warning after overtime locks all keys simultaneously.
11, main frame and boxes for keys Men Jun have antiwithdrawal device, can report to the police when illegally opening.
12, key state indication comprises: can take out/can not take out, and key is on the throne/return etc.
13, function is kidnapped in harm, and for example: what the operator registered is forefinger, uses other finger (as: middle finger) to operate when being held as a hostage, but can not open corresponding key, can send warning message simultaneously.
Claims (4)
1, a kind of intelligent key management device, it is characterized in that it is made up of fingerprint acquisition instrument, central computer, single chip machine controlling circuit, key state sample circuit, driving and executive circuit, fingerprint acquisition instrument is connected with central computer, central computer is connected with single-chip microcomputer in the single chip machine controlling circuit by communication interface, key state sample circuit is connected with single chip machine controlling circuit, the output termination driving of single chip machine controlling circuit and the input of executive circuit.
2, intelligent key management device according to claim 1, it is characterized in that single chip machine controlling circuit is made up of single-chip microcomputer U1 and peripheral cell crystal Q1, C1, C2, pull-up resistor R2, interface module U2, U3, bus transceiver U4 and peripheral cell pull-up resistor R1 thereof, three or eight decoder U5, U6, phase inverter U7A-U8A, interface module U3 adopts RS485, interface module U2 adopts MAX487E, 2,3 pin of interface module U2 are connected with 4 pin of single-chip microcomputer U1, and 1,4 pin of interface module U2 are connected with 10,11 pin of single-chip microcomputer U1 respectively; Be connected to the holding circuit of forming by resistance R 3, R4, Zener diode DW1, DW2 between interface module U2 and the U3,6,7 pin of interface module U2 make 1,2 pin of resistance R 4, R3 connection interface module U3 respectively, Zener diode DW1 is connected between 7 pin and ground of U2, and Zener diode DW2 is connected between 6 pin and ground of U2; Interface module U3 is connected with central computer, the output 5-7 pin of single-chip microcomputer U1 is connected with the input 1-3 pin of three or eight decoder U6 respectively, 13 pin of single-chip microcomputer U1 are connected with 4,5 pin of three or eight decoder U6, three or eight decoder U6 7, the 9-15 pin connects 19 pin of the bus transceiver U10-U17 of key state sample circuit respectively through socket CZ1; The 21-28 pin of single-chip microcomputer U1 connects the 2-9 pin of the bus transceiver U10-U17 of key state sample circuit respectively through socket CZ3; The 1-3 pin of single-chip microcomputer U1 connects the 1-3 pin of three or eight decoder U5 respectively, 12 pin of single-chip microcomputer U1 connect 4,5 pin of three or eight decoder U5, three or eight decoder U5 7, the 9-15 pin connects through phase inverter U8A-U7A, socket CZ4 respectively successively and drives and 11 pin of the latch U18-U25 of executive circuit; The 32-39 pin of single-chip microcomputer U1 connects the 9-2 pin of bus transceiver U4 respectively, and the 11-18 pin of U4 connects the 9-2 pin of the latch U18-U25 of driving and executive circuit respectively through socket CZ2.
3, intelligent key management device according to claim 1, it is characterized in that key state sample circuit is by bus transceiver U10-U17 and peripheral cell pull-up resistor R5-R12 thereof, the travel switch KG1-KG60 that is controlled by key card, gate controlled switch KG61, KG62, emergency switch KG63,8 group of 60 road key sample circuit that terminal plate CZ6-CZ8 forms and 3 tunnel warning sample circuits, each switch grouping is connected with bus transceiver U10-U17 respectively by terminal plate, wherein the end of the travel switch KG1-KG8 of first group of 8 road key sample circuit connects the 18-11 pin of bus transceiver U10 through terminal plate CZ6, and their other end is respectively through CZ6 ground connection; The end of boxes for keys Qianmen gate controlled switch KG61 in 3 tunnel warning sample circuits, back protection every control K switch G62, emergency switch KG63 connects the 6-8 pin of bus transceiver U17 respectively through terminal plate CZ8, their other end is respectively through CZ8 ground connection.
4, intelligent key management device according to claim 1, it is characterized in that driving and executive circuit are by latch U18-U25 and peripheral cell pull-up resistor R13-R20, high drive module U27-U35 and peripheral cell capacitor C 3-C11 thereof, relay J 1-J63, sustained diode 1-D63, locking, release magnet DT1-DT61, electrical equipment R22-R81, LED 1-LED60, the circuit of 9 group of 60 tunnel key lock that terminal plate CZ10-CZ13 forms, release circuit and control Qianmen electric lock, keypad lock and buzzer; Wherein first group of 7 tunnel key lock, discharge circuit by latch U18 and peripheral cell pull-up resistor R13 thereof, high drive module U27 and peripheral cell capacitor C 3 thereof, relay J 1-J7, sustained diode 1-D7, locking, release magnet DT1-DT7, resistance R 22-R28, LED 1-LED7, terminal plate CZ10 forms, the 13-19 pin of latch U18 is connected with the 7-1 pin of high drive module U27, the end of relay J 1-J7 connects the 16-10 pin of high drive module U27 respectively, the other end of relay J 1-J7 connects respectively+12V, the end of the constant open contact J1-1-J7-1 of relay J 1-J7 connects respectively+12V, the other end of the constant open contact J1-1-J7-1 of relay J 1-J7 connects locking respectively through terminal plate CZ10, one end of the coil of release magnet DT1-DT7, locking, the other end of the coil of release magnet iron DT1-DT7 is ground connection respectively, each locking, the two ends of the coil of release magnet are parallel with the display circuit that is composed in series by light emitting diode and resistance; One end of the relay J 63 of the relay J 61 of control boxes for keys Qianmen electric lock LOCK, the relay J 62 of control keypad lock, control buzzer S connects respectively+12V, their other end connects 12,11,10 pin of high drive module U35 respectively, one termination+12V of the constant open contact J61-1 of relay J 61, its other end connect the power positive end of boxes for keys Qianmen electric lock LOCK through terminal plate CZ13; One termination+12V of the constant open contact J62-1 of relay J 62, its other end connects an end of the coil of locking, release magnet DT61 through terminal plate CZ13, the other end ground connection of the coil of DT61, the armature supervisory keyboard lock of DT61; One termination+12V of the constant open contact J63-1 of relay J 63, its other end connects the end of buzzer S, buzzer S other end ground connection through terminal plate CZ13.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420055934 CN2756765Y (en) | 2004-12-31 | 2004-12-31 | Intelligent key managing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420055934 CN2756765Y (en) | 2004-12-31 | 2004-12-31 | Intelligent key managing device |
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| Publication Number | Publication Date |
|---|---|
| CN2756765Y true CN2756765Y (en) | 2006-02-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420055934 Expired - Fee Related CN2756765Y (en) | 2004-12-31 | 2004-12-31 | Intelligent key managing device |
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| CN (1) | CN2756765Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102213041A (en) * | 2010-04-07 | 2011-10-12 | 浙江理工大学 | Centralized key management system based on pressure-sensitivity fingerprint identification and use method |
| CN101751709B (en) * | 2008-12-02 | 2012-02-29 | 河南省电力公司南阳供电公司 | Master key requiring password authorization |
| CN104015508A (en) * | 2014-06-06 | 2014-09-03 | 中国建筑设计研究院 | Seal preserving and supervising box |
| CN104157050A (en) * | 2014-07-23 | 2014-11-19 | 杨卓 | Intelligent key box |
-
2004
- 2004-12-31 CN CN 200420055934 patent/CN2756765Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101751709B (en) * | 2008-12-02 | 2012-02-29 | 河南省电力公司南阳供电公司 | Master key requiring password authorization |
| CN102213041A (en) * | 2010-04-07 | 2011-10-12 | 浙江理工大学 | Centralized key management system based on pressure-sensitivity fingerprint identification and use method |
| CN102213041B (en) * | 2010-04-07 | 2013-05-08 | 浙江理工大学 | Centralized key management system based on pressure-sensitivity fingerprint identification and use method |
| CN104015508A (en) * | 2014-06-06 | 2014-09-03 | 中国建筑设计研究院 | Seal preserving and supervising box |
| CN104157050A (en) * | 2014-07-23 | 2014-11-19 | 杨卓 | Intelligent key box |
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Legal Events
| Date | Code | Title | Description |
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| 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 |