CN2898213Y - Telecommunication low-loss fingerprint door lock - Google Patents
Telecommunication low-loss fingerprint door lock Download PDFInfo
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- CN2898213Y CN2898213Y CN 200620018233 CN200620018233U CN2898213Y CN 2898213 Y CN2898213 Y CN 2898213Y CN 200620018233 CN200620018233 CN 200620018233 CN 200620018233 U CN200620018233 U CN 200620018233U CN 2898213 Y CN2898213 Y CN 2898213Y
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- power consumption
- fingerprint lock
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Abstract
The utility model relates to a fingerprint lock which is low-power power consumption and communication type, aiming to solve the bigger static power consumption of prior fingerprint locks; the lock comprises a CPU, an optical fingerprint collector connected with the CPU, a communication interface, a fingerprint lock executive device, a starting circuit, a real-time clock chip, a display and a keyboard. The CPU is composed of a master CPU and a servo CPU which are connected with each other; wherein the master CPU is connected with the optical fingerprint collector, the communication interface; the servo CPU is connected with the starting circuit, the real-time clock chip, the display and the keyboard; the master CPU and the servo CPU are also connected with the fingerprint lock executive device. The lock features lower static power consumption and drive load with direct current micro-motor, so the device is preferably equipped with common dry batteries power supply for easy data sharing by data output to PC; the PC can achieve independently fingerprint logging, collecting, comparing and logging functions; CPU structure is adopted, enabling a strong reliability; the nonvolatile memory prevents data loss, and makes the data easy for inquiry and supervision.
Description
Technical field
The utility model relates to a kind of fingerprint recognition control device, particularly relates to a kind of low-power consumption communication type fingerprint gate lock.
Background technology
Fingerprint identification technology is the means of identification by the fingerprint comparison identity verification, also is the biological property recognition technology that is most widely used now.Fingerprint Lock is that advanced biometrics identification technology leaps in a technology of door lock industry.The user can not change lock because of key loss.The door that do not need not open because of password loss, fingerprint identification technology is present most convenient, reliable, non-infringement and low-cost door lock scheme.
At present, the defective of Fingerprint Lock existence has:
The Fingerprint Lock quiescent dissipation is big, and during adapted general dry battery power supply, the battery altering cycle is too short, is inconvenient to use.
System does not have transfer function on open the door the record memory function and the record data that open the door, and can't the clamshell doors situation inquire about and supervise.
Summary of the invention
The purpose of this utility model is to overcome the above-mentioned defective of prior art, and a kind of low-power consumption communication type fingerprint gate lock is provided.
For achieving the above object, the special feature of the utility model low-power consumption communication type Fingerprint Lock is to comprise CPU, and the optical fingerprint collector that is attached thereto, communication interface, Fingerprint Lock executing agency, start-up circuit, real-time timepiece chip, display and keyboard.So design, the introducing of start-up circuit can make it reduce quiescent dissipation, more convenient adapted common batteries power supply.Have human-computer interaction interface and locking execution mechanism such as fingerprint collecting, fingerprint recognition, display keyboard, more convenient use.The introducing of communication interface can increase communication function, is convenient to data sharing.
As optimization, described CPU forms by interconnective host CPU with from CPU, and wherein host CPU connects optical fingerprint collector, communication interface; Connect start-up circuit, real-time timepiece chip, display and keyboard from CPU; Host CPU with also be connected Fingerprint Lock executing agency jointly from CPU.Based on dual-CPU architecture is adopted in so design, from the safety that CPU can improve system as the pilot controller of system, when host CPU breaks down cisco unity malfunction, still can control fingerprint entrance guard system from CPU and carry out necessary work.Improved the safety of system.
As optimization, start-up circuit comprises a diode D1, and the K switch EY1 that is attached thereto, KEY2, resistance R 1, R2 and ground capacity C1; Wherein K switch EY1 further connects the S pin of resistance R 3 and single-chip microcomputer U1, and resistance R 3 further connects the G pin of single-chip microcomputer U1, and connects resistance R 2 by a triode Q1; Triode Q1 directly connects R1 and ground connection again, and connects K switch EY2 by R4; The D pin of single-chip microcomputer U1 connects ground capacity C2.So design, adopt the circuit design of low speed paper tape reader static power disspation, I/O pin state is the characteristic of high level when utilizing single-chip microcomputer to reset, the user powers to system by the start button and carries out by the fingerprint opening door operation, the power supply control is given the I/O pin of single-chip microcomputer, and system of fingerprints is finished the work or the overtime monolithic chance of system works is controlled the I/O pin with the power supply automatic disconnection.Quiescent dissipation is far smaller than existing same category of device.
As optimization, Fingerprint Lock executing agency comprises electric control lock drive circuit and electric control lock, or and warning circuit.So design, decapacitation is controlled outside the switch of electric control lock automatically, also has unusual open alarm function.
As optimization, host CPU is the CPU that supports fingerprint collecting, fingerprint comparison, data communication, data storage, output control, is the CPU that supports keyboard scan, display driver, data backup, emergent control, real-time clock from CPU.So user fingerprints login, fingerprint collecting, fingerprint comparison can be independently finished in design, the record of coming in and going out.System has transfer function on open the door the record memory function and the record data that open the door, and makes things convenient for the clamshell doors situation to inquire about and supervise.
As optimization, electric control lock is the electric control lock that micro machine drives.The electric control lock that micro machine drives compares with the electric control lock of relay control that to drive load littler, helps economize on electricity.
As optimization, host CPU also is connected with nonvolatile storage.So design, nonvolatile storage FLASH is used for the recording user number and the user opens the door the time, and data are difficult for losing, convenient inquiry and supervision.
As optimization, also is furnished with the output input protection circuit.So design helps guaranteeing Plant in good condition, increases the service life.
After adopting technique scheme, the utility model low-power consumption communication type Fingerprint Lock quiescent dissipation is low, and direct current micromotor drives electric control lock, and it is little to drive load, adapted general dry battery power supply preferably, and the energy output data is convenient to data sharing to PC; Can independently finish fingerprint login, fingerprint collecting, fingerprint comparison, the writing function of coming in and going out; Adopt the CPU framework, good reliability; Equipped nonvolatile storage, data are difficult for losing, convenient inquiry and supervision; Have unusual open alarm function and light current warning function.
Description of drawings
Fig. 1 is the structural representation of the utility model low-power consumption communication type Fingerprint Lock;
Fig. 2 is the circuit theory diagrams of start-up circuit part in the utility model low-power consumption communication type Fingerprint Lock;
Fig. 3 is the workflow diagram of the utility model low-power consumption communication type Fingerprint Lock.
The specific embodiment
Do further explanation below in conjunction with accompanying drawing and instantiation:
As shown in the figure; the utility model low-power consumption communication type Fingerprint Lock comprises the output input protection circuit of CPU, optical fingerprint collector 2, RS232 type communication interface 3, Fingerprint Lock executing agency 5, start-up circuit 9, real-time timepiece chip 8, LCD 6, keyboard 7, band light current warning function, battery supply.Described CPU forms by interconnective host CPU 1 with from CPU2, and wherein host CPU 1 connects optical fingerprint collector 2, communication interface 3; Connect start-up circuit 9, real-time timepiece chip 8, display 6 and keyboard 7 from CPU2; Host CPU 1 with also be connected Fingerprint Lock executing agency 5 jointly from CPU2.Fingerprint Lock is carried out the electric control lock that machine 5 structures comprise that electric control lock drive circuit, direct current generator drive, warning circuit.Host CPU 1 is the CPU of compatible fingerprint collecting, fingerprint comparison, data communication, data storage, output control, is the CPU of compatible keyboard scanning, display driver, data backup, emergent control, real-time clock from CPU2.Host CPU 1 also is connected with nonvolatile storage.Certainly it can also further be furnished with the light current warning circuit, so that battery is changed in prompting in time when battery electric quantity is not enough.Main frame also is connected with the time that recording user opens and the nonvolatile storage FLASH of Subscriber Number.RS232 type communication interface is used to connect PC.
Start-up circuit 9 comprises a diode D1, and the K switch EY1 that is attached thereto, KEY2, resistance R 1, R2 and ground capacity C1; Wherein K switch EY1 further connects the S pin of resistance R 3 and single-chip microcomputer U1, and resistance R 3 further connects the G pin of single-chip microcomputer U1, and connects resistance R 2 by a triode Q1; Triode Q1 directly connects R1 and ground connection again, and connects K switch EY2 by R4; The D pin of single-chip microcomputer U1 connects ground capacity C2.The S pin of single-chip microcomputer U1 is as vdd terminal during use, and the S pin of single-chip microcomputer U1 is held as VBATTA.It adopts the circuit design of low speed paper tape reader static power disspation, I/O pin state is the characteristic of high level when utilizing single-chip microcomputer to reset, the user powers to system by the start button and carries out by the fingerprint opening door operation, the power supply control is given the I/O pin of single-chip microcomputer, and system of fingerprints is finished the work or the overtime monolithic chance of system works is controlled the I/O pin with the power supply automatic disconnection.Quiescent dissipation is less than 2uA.Adopt based on dual-CPU architecture,, when host CPU breaks down cisco unity malfunction, still can control fingerprint entrance guard system from CPU and carry out necessary work from the safety that CPU can improve system as the pilot controller of system.Improved the safety of system.
Workflow after the utility model low-power consumption communication type Fingerprint Lock powers on is:
1, system initialization; 2, each Function detection of system can break down by the LED indication if any failure system, carries out smoothly as the fault-free program; 3, enter main circulating program; 4, judge whether that button presses? be button by the next button handling procedure that enters, press as no button, program is carried out smoothly; 6, judge collector have fingerprint press down by? do not press down execution in order if there is fingerprint, if there is fingerprint to press down by carrying out fingerprint comparison, if the verification passes, the output unlocking signal, if invalid, LED misdirection information.Program running the 3rd step circulation is carried out.
Claims (8)
1, a kind of low-power consumption communication type Fingerprint Lock is characterized in that comprising CPU, and the optical fingerprint collector that is attached thereto, communication interface, Fingerprint Lock executing agency, start-up circuit, real-time timepiece chip, display and keyboard.
2, according to the described low-power consumption communication type of claim 1 Fingerprint Lock, it is characterized in that described CPU forms by interconnective host CPU with from CPU, wherein host CPU connects optical fingerprint collector, communication interface; Connect start-up circuit, real-time timepiece chip, display and keyboard from CPU; Host CPU with also be connected Fingerprint Lock executing agency jointly from CPU.
3, according to the described low-power consumption communication type of claim 2 Fingerprint Lock, it is characterized in that start-up circuit comprises a diode D1, and the K switch EY1 that is attached thereto, KEY2, resistance R 1, R2 and ground capacity C1; Wherein K switch EY1 further connects the S pin of resistance R 3 and single-chip microcomputer U1, and resistance R 3 further connects the G pin of single-chip microcomputer U1, and connects resistance R 2 by a triode Q1; Triode Q1 directly connects R1 and ground connection again, and connects K switch EY2 by R4; The D pin of single-chip microcomputer U1 connects ground capacity C2.
4, according to claim 1,2 or 3 described low-power consumption communication type Fingerprint Lock, it is characterized in that Fingerprint Lock executing agency comprises electric control lock drive circuit and electric control lock, or and warning circuit.
5, according to the described low-power consumption communication type of claim 4 Fingerprint Lock, it is characterized in that host CPU is the CPU that supports fingerprint collecting, fingerprint comparison, data communication, data storage, output control, is the CPU that supports keyboard scan, display driver, data backup, emergent control, real-time clock from CPU.
6,, it is characterized in that electric control lock is the electric control lock that micro machine drives according to the described low-power consumption communication type of claim 5 Fingerprint Lock.
7,, it is characterized in that host CPU also is connected with nonvolatile storage according to the described low-power consumption communication type of claim 6 Fingerprint Lock.
8,, it is characterized in that also being furnished with the output input protection circuit according to the described low-power consumption communication type of claim 7 Fingerprint Lock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620018233 CN2898213Y (en) | 2006-03-23 | 2006-03-23 | Telecommunication low-loss fingerprint door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620018233 CN2898213Y (en) | 2006-03-23 | 2006-03-23 | Telecommunication low-loss fingerprint door lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2898213Y true CN2898213Y (en) | 2007-05-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620018233 Expired - Fee Related CN2898213Y (en) | 2006-03-23 | 2006-03-23 | Telecommunication low-loss fingerprint door lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2898213Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101964051A (en) * | 2010-09-16 | 2011-02-02 | 深圳市中控生物识别技术有限公司 | Fingerprint identification device and identification method thereof |
| CN101135207B (en) * | 2007-09-04 | 2012-05-30 | 成都方程式电子有限公司 | Fingerprint lock |
-
2006
- 2006-03-23 CN CN 200620018233 patent/CN2898213Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101135207B (en) * | 2007-09-04 | 2012-05-30 | 成都方程式电子有限公司 | Fingerprint lock |
| CN101964051A (en) * | 2010-09-16 | 2011-02-02 | 深圳市中控生物识别技术有限公司 | Fingerprint identification device and identification method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN ZKSOFTWARE BIOMETRIC IDENTIFICATION TECHN Free format text: FORMER OWNER: BEIJING ZHONGKONG SCIENCE AND TECHNOLOGY DEVELOPMENT CO., LTD. Effective date: 20090710 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20090710 Address after: Central control building, Xinhua Industrial Zone, five Da Dao, Longgang District, Shenzhen, Buji, China: 518000 Patentee after: Shenzhen Zhongkong Biometrics Technology Co., Ltd. Address before: Room 1008, Pacific International Building, No. 106, Zhichun Road, Beijing, Haidian District: 100086 Patentee before: Zhongkong Science and Technology Development Co., Ltd., Beijing |
|
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Beijing central control electronic technology Co., Ltd. Assignor: Shenzhen Zhongkong Biometrics Technology Co., Ltd. Contract record no.: 2013440020030 Denomination of utility model: Telecommunication low-loss fingerprint door lock Granted publication date: 20070509 License type: Exclusive License Record date: 20130201 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070509 Termination date: 20150323 |
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| EXPY | Termination of patent right or utility model |