CN2481807Y

CN2481807Y - Multifunctional radio fingerprint lock

Info

Publication number: CN2481807Y
Application number: CN 01241646
Authority: CN
Inventors: 王欣; 李英志; 刘宏达
Original assignee: Hongda High Tech Group Co ltd
Current assignee: Hongda High Tech Group Co ltd
Priority date: 2001-05-15
Filing date: 2001-05-15
Publication date: 2002-03-13
Anticipated expiration: 2011-05-15

Abstract

The utility model relates to a multifunctional radio fingerprint lock, which comprises a fingerprint collector, a central processing circuit, a human-machine interface, a keyboard array and a lockset actuating mechanism. The central processing circuit of the utility model is provided with a programmable chip and a multi-functional interface circuit; a multi-functional board is provided with a CPU circuit, a voice circuit, a dial-up circuit and a RS485 circuit; the multi-functional board is connected with the multi-functional interface circuit. The utility model is a radio fingerprint lock which is provided with voice prompt, automatic alarm, unlock- time setting and access network, etc, functions. The utility model makes full use of the electronic information technology, enhances the performance of radio fingerprint lock and has a simple structure.

Description

The multifunction wireless Fingerprint Lock

The utility model belongs to fingerprint recognition lock control gate inhibition technology, relates to live Fingerprint Collecting Instrument, digital signal processing circuit and electric control lockset.

The wireless fingerprint lock is mainly used in " external door " control of building, and its central control circuit etc. is arranged on indoor, and fingerprint acquisition instrument and locking execution mechanism are arranged on the door, and two parts are got in touch by radio wave.The wireless fingerprint lockset has advantages such as volume is little, in light weight, cost is low, purposes is wide, but present wireless fingerprint lock only has identification one simple function of unblanking, and does not give full play of the effect of electronic information technology, and necessity of further increase function is arranged.

The purpose of this utility model is to provide a kind of multifunction wireless Fingerprint Lock with performances such as voice suggestion, telephone call, access to LAN networks.

The purpose of this utility model realizes by technical scheme shown in the drawings, it comprises that a fingerprint acquisition instrument, central processing circuit, Man Machine Interface, keyboard array and locking execution mechanism form, wherein central processing circuit by digital signal processor, fast asynchronous sram, nonvolatile storage, decoding circuit, Man Machine Interface, fingerprint collecting interface and radio transmitter circuit constitute at a slow speed; Locking execution mechanism is made of radio receiver circuit, lockset drive circuit and lockset, the utility model has added a programmable chip and versatile interface circuit in central processing circuit, programmable chip links to each other with digital signal processor, Man Machine Interface and radio transmission interface with the address by data/address bus, programmable chip links to each other with the fingerprint acquisition instrument interface again, programmable chip also connects a real time clock circuit, and the versatile interface circuit links to each other with programmable chip; Cpu circuit, sound circuit, telephone dialer circuit and a RS485 circuit are arranged on the multifunction board, and multifunction board is connected with the versatile interface circuit.

The utility model is that the wireless fingerprint lock has increased multinomial function, and sound circuit provides voice suggestion in operating process; Telephone dialer circuit can deposit householder's Pager No, cell-phone number or relevant telephone number in, can send alarm signal automatically to beeper or phone when the wireless fingerprint lock is subjected to unauthorised broken.Real time clock circuit can make the wireless fingerprint lockset that the function of setting the time period of opening the door is arranged, and anyone can not open door lock beyond the time period, and real time clock circuit also can write down the time of at every turn opening the door.The RS485 circuit provides a network interface for the wireless fingerprint lock, can realize corresponding management functions according to the requirement of network management.The utility model has been given full play to the advantage of electronic information technology, has improved the performance of wireless fingerprint lock, and is relatively simple for structure.

Accompanying drawing 1 is the utility model structure frame principle figure;

Accompanying drawing 2 is the programmable chip schematic diagram;

Accompanying drawing 3 is the RS485 lattice network schematic diagram on the multifunction board;

Accompanying drawing 4 is CPU and interface section circuit theory diagrams on the multifunction board;

Accompanying drawing 5 is a telephone dialer circuit schematic diagram on the multifunction board;

Accompanying drawing 6 is a sound circuit schematic diagram on the multifunction board;

Accompanying drawing 7 is the real time clock circuit schematic diagram.

Below in conjunction with accompanying drawing, provide embodiment of the present utility model, describe the annexation between the utility model peripheral circuit and central processing unit in detail.

The model of programmable chip is CY37064-125JC, the address decoding of internal system, the output input and latch, keyboard scan, the control of radio transmission signal, the processing of control signal, all finish with the communication of multifunctional access oralia by programmable chip, the D0-D3 of programmable chip links to each other with the data/address bus of digital signal processor DSP, the address wire A0-A4 of programmable chip, A14, A15 links to each other with the data/address bus of DSP, 38 of programmable chip, 39,40,46,45,12 pin respectively with the control signal IOSTRB of DSP, MSTRB, R//W, PS, the IP end links to each other; The radio transmission signal is connected to 52 pin of programmable chip, and 12,13,15,16 pin of programmable chip connect MPUSCL, MPUSDA, DSPSDA, the DSPSCL interface of multifunctional access oralia respectively.

The chip model of real time clock circuit is X1203, and clock input signal 6 pin link to each other with 48 pin of programmable chip, and its data input signal 5 pin link to each other with the input pin 2 of chip 74HC05, and the output pin 1 of chip 74HC05 links to each other with 47 pin of programmable chip.Real time clock circuit provides time reference for system.

What the MCU of the cpu circuit on the multifunction board adopted is 8751, and DSPSDA, DSPSCL, MPUSDA, the MPUSCL with the programmable chip CY37064 of CPU is connected by the JP1 connector; MPUSDA is connected to 8751 28 pin by resistance R 26, MPUSCL is connected to 8751 27 pin by resistance R 27, DSPSDA, DSPSCL are connected respectively to 8751 26,14 pin, realize the communication between multifunction board and the DSP by DSPSDA, DSPSCL, MPUSDA, MPUSCL.

That phonetic dialing circuit chip U6 adopts is ISD1402, and the voice that the user can be prerecorded in use or under the alarm condition send by loudspeaker or phone; ISD1402 address wire A0-A7 is connected with 8751 data wire D0-D7, and 23,24,25 pin of ISD1402 are connected with 8751 5,9,7 pin respectively, and 14 pin of ISD1402 are connected with 5 pin of PCD3312C by 3 pin and the resistance R 4 of resistance R 7, BAT54C.

Telephone dialer circuit chip U8 is PCD3312C, and the U10 model is LM567, and this circuit can detect the phone busy tone automatically, send warning message according to being provided with to landline telephone, mobile phone or beeper of user; 8 pin of PCD3312C are connected with 8751 3 pin, and 7 pin of PCD3312C are connected with 8751 2 pin, 8751 30 pin respectively with 8 pin of LM567, an end of resistance R 11, an end of capacitor C 5.

RS485 interface circuit chips model is 75176, and its 1 pin is connected with 8751 11 pin, and its 4 pin are connected with 8751 13 pin, and its 2,3 pin is connected with 8751 24 pin, by JP4 connector access network.

Claims

1, multifunction wireless Fingerprint Lock, comprise that a fingerprint acquisition instrument, central processing circuit, Man Machine Interface, keyboard array and locking execution mechanism form, wherein central processing circuit by digital signal processor, fast asynchronous sram, nonvolatile storage, decoding circuit, Man Machine Interface, fingerprint collecting interface and radio transmitter circuit constitute at a slow speed; Locking execution mechanism is made of radio receiver circuit, lockset drive circuit and lockset, it is characterized in that in central processing circuit, having added a programmable chip and versatile interface circuit, programmable chip links to each other with digital signal processor, Man Machine Interface and radio transmission interface with the address by data/address bus, programmable chip links to each other with the fingerprint acquisition instrument interface again, programmable chip also connects a real time clock circuit, and the versatile interface circuit links to each other with programmable chip; Cpu circuit, sound circuit, telephone dialer circuit and a RS485 circuit are arranged on the multifunction board, and multifunction board is connected with the versatile interface circuit.

2, according to the said multifunction wireless Fingerprint Lock of claim 1, the model that it is characterized in that programmable chip is CY37064-125JC, the D0-D3 of programmable chip links to each other with the data/address bus of digital signal processor DSP, the address wire A0-A4 of programmable chip, A14, A15 link to each other with the data/address bus of DSP, and 38,39,40,46,45,12 pin of programmable chip link to each other with control signal IOSTRB, MSTRB, R//W, PS, the IP end of DSP respectively; The radio transmission signal is connected to 52 pin of programmable chip, and 12,13,15,16 pin of programmable chip connect MPUSCL, MPUSDA, DSPSDA, the DSPSCL interface of multifunctional access oralia respectively.

3, say said multifunction wireless Fingerprint Lock according to claim 1 or 2, the chip model that it is characterized in that real time clock circuit is X1203, clock input signal 6 pin link to each other with 48 pin of programmable chip, its data input signal 5 pin link to each other with the input pin 2 of chip 74HC05, and the output pin 1 of chip 74HC05 links to each other with 47 pin of programmable chip.

4, say said multifunction wireless Fingerprint Lock according to claim 1 or 2 or 3, what it is characterized in that the MCU of the cpu circuit on the multifunction board adopts is 8751, and DSPSDA, DSPSCL, MPUSDA, the MPUSCL with the programmable chip CY37064 of CPU is connected by the JP1 connector; MPUSDA is connected to 8751 28 pin by resistance R 26, MPUSCL is connected to 8751 27 pin by resistance R 27, DSPSDA, DSPSCL are connected respectively to 8751 26,14 pin, realize the communication between multifunction board and the DSP by DSPSDA, DSPSCL, MPUSDA, MPUSCL.

5, say said multifunction wireless Fingerprint Lock according to claim 1 or 2 or 3 or 4, that it is characterized in that phonetic dialing circuit chip U6 employing is ISD1402, ISD1402 address wire A0-A7 is connected with 8751 data wire D0-D7,23,24,25 pin of ISD1402 are connected with 8751 5,9,7 pin respectively, and 14 pin of ISD1402 are connected with 5 pin of PCD3312C by 3 pin and the resistance R 4 of resistance R 7, BAT54C.

6, say said multifunction wireless Fingerprint Lock according to claim 1 or 2 or 3 or 4 or 5, it is characterized in that telephone dialer circuit chip U8 is PCD3312C, the U10 model is LM567,8 pin of PCD3312C are connected with 8751 3 pin, 7 pin of PCD3312C are connected with 8751 2 pin, 8751 30 pin respectively with 8 pin of LM567, an end of resistance R 11, an end of capacitor C 5.

7, say said multifunction wireless Fingerprint Lock according to claim 1 or 2 or 3 or 4 or 5 or 6, it is characterized in that S485 interface circuit chips model is 75176, its 1 pin is connected with 8751 11 pin, its 4 pin are connected with 8751 13 pin, its 2,3 pin is connected with 8751 24 pin, by JP4 connector access network.