CN203596041U - Wireless fingerprint attendance checking system - Google Patents
Wireless fingerprint attendance checking system Download PDFInfo
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- CN203596041U CN203596041U CN201320830059.4U CN201320830059U CN203596041U CN 203596041 U CN203596041 U CN 203596041U CN 201320830059 U CN201320830059 U CN 201320830059U CN 203596041 U CN203596041 U CN 203596041U
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Abstract
The utility model discloses a wireless fingerprint attendance checking system. The wireless fingerprint attendance checking system comprises an upper computer, an attendance checking control terminal and a fingerprint verification terminal. The attendance checking control terminal comprises a first single-chip microcomputer, a first wireless receiving and transmitting module and a serial port circuit. The first wireless receiving and transmitting module is connected with the first single-chip microcomputer, and the serial port circuit is connected with the upper computer and the first single-chip microcomputer. The fingerprint verification terminal comprises a second single-chip microcomputer, a second wireless receiving and transmitting module, an LCD display module, a fingerprint recognition module and a storage module, and the second single-chip microcomputer is connected with the second wireless receiving and transmitting module, the LCD display module, the fingerprint recognition module and the storage module. Fingerprint data collected by the fingerprint verification terminal are transmitted to the attendance checking control terminal in a wireless mode, and fingerprint data collected by the attendance checking control terminal are sent to the upper computer through serial ports. The wireless fingerprint attendance checking system is simple in structure, convenient to operate, and good in mobility and expansibility.
Description
Technical field
The utility model relates to wireless communication technology field, is a kind of wireless fingerprint attendance system specifically.
Background technology
Traditional work attendance mode as manual registered, telltale clock or magnetic card work attendance mode, be a kind of poor efficiency, unmanageable, the easy not scientific management means of personation, high human feelings, therefore attendance management does not have good effect.Along with the development of biotechnology, especially, along with the maturation relatively of fingerprint identification technology development, this technology is progressively applied to work attendance field.The sharpest edges of fingerprint are just its irreplaceability, and relatively fix, are difficult for changing, and by analyzing fingerprint feature point, the information of acquisition is just enough to confirm reliably a people's identity.
At present, fingerprint attendance system is mainly take inline process type product as main on the market, and such product needed is set up large-scale database storage finger print information, and the comparison of fingerprint need to be supported by background computer.Background computer burden is increased the weight of greatly, and no matter attendance recorder, pass road, there is any fault in computing machine, all can cause the paralysis of whole attendance checking system, reduces the stability of system works.If enterprise is huger, based on wired mode build attendance checking system wiring by become very loaded down with trivial details, and movability and extendability poor.Therefore, short-distance wireless communication technology being applied to fingerprint attendance system can address the above problem preferably.
Summary of the invention
For the deficiencies in the prior art, the purpose of this utility model is to provide a kind of wireless fingerprint attendance system, and it is simple in structure, easy to operate, can effectively realize wireless collection and the management of finger print information.
For achieving the above object, the technical solution adopted in the utility model is: a kind of wireless fingerprint attendance system, comprise host computer, work attendance control terminal and fingerprint authentication terminal, work attendance control terminal comprises single-chip microcomputer 1, radio receiving transmitting module 1 and serial port circuit, radio receiving transmitting module 1 is connected with single-chip microcomputer 1, and serial port circuit is connected with single-chip microcomputer 1 with host computer respectively; Fingerprint authentication terminal comprises single-chip microcomputer 2, radio receiving transmitting module 2, LCD display module, fingerprint identification module and memory module, and single-chip microcomputer 2 is connected with radio receiving transmitting module 2, LCD display module, fingerprint identification module and memory module respectively; Fingerprint authentication terminal is sent to work attendance control terminal by the finger print data of collection by wireless mode, and work attendance control terminal sends to host computer by the finger print data of collection by serial ports.
As preferably, radio receiving transmitting module 1 and radio receiving transmitting module 2 all adopt built-in high performance SI4432 wireless transport module.
As preferably, single-chip microcomputer 1 and single-chip microcomputer 2 all adopt C8051F930 single-chip microcomputer.
As preferably, fingerprint identification module adopts the FM-180 module of built-in High Performance DSP processor.
The beneficial effects of the utility model are:
The utility model adopts wireless mode to gather finger print information, the problem of the wiring complexity that the wired mode having overcome causes, and work attendance verification terminal can move at any time, and extensibility is good.
The utility model adopts built-in high performance SI4432 wireless transport module can realize longer-distance radio communication, can realize communicating by letter of multiple work attendance verification terminals and work attendance control terminal.Whole system integrated level is high, simple in structure, and cost is low, and antijamming capability is strong.
Accompanying drawing explanation
For content of the present utility model is more likely to be clearly understood, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is the utility model structural framing schematic diagram.
Embodiment
As shown in Figure 1, a kind of wireless fingerprint attendance system, comprise host computer, work attendance control terminal and fingerprint authentication terminal, work attendance control terminal comprises single-chip microcomputer 1, radio receiving transmitting module 1 and serial port circuit, radio receiving transmitting module 1 is connected with single-chip microcomputer 1, and serial port circuit is connected with single-chip microcomputer 1 with host computer respectively; Fingerprint authentication terminal comprises single-chip microcomputer 2, radio receiving transmitting module 2, LCD display module, fingerprint identification module and memory module, and single-chip microcomputer 2 is connected with radio receiving transmitting module 2, LCD display module, fingerprint identification module and memory module respectively; Fingerprint authentication terminal is sent to work attendance control terminal by the finger print data of collection by wireless mode, and work attendance control terminal sends to host computer by the finger print data of collection by serial ports.
Described radio receiving transmitting module 1 and radio receiving transmitting module 2 all adopt built-in high performance SI4432 wireless transport module.The integrated diversity antenna of this inside modules, power amplifier, wake the FIFO that transmits and receive data of timer, digital modems, 64 bytes up, can be operated in tetra-frequency ranges of 315/433/868/915MHz, reach-117dB of its receiving sensitivity, splendid link-quality can be provided, power consumption be down to minimum in expanding transmission range; Just can reach+20dBm of peak power output while not adding power amplifier, reception and transmission range can reach 2km farthest.
Described single-chip microcomputer 1 and single-chip microcomputer 2 all adopt C8051F930 single-chip microcomputer.Single-chip microcomputer C8051F930 has the RAM of 4KB and the F1ash of 64KB, and on sheet, integrated abundant peripheral interface module, comprises serial ports, SPI, 10 A/D converters etc., meets well the control requirement to peripherals.Single-chip microcomputer C8051F930 can be completed initial configuration to Si4432 module, be read and write data, accesses the operations such as FIFO by built-in Enhanced SPI interface.
Single-chip microcomputer 1 completes and the communicating by letter of radio receiving transmitting module 1 by SPI interface, and single-chip microcomputer 2 completes and the communicating by letter of radio receiving transmitting module 2 by SPI interface.SPI interface has 4 buses, is respectively MOSI, MIS0, SCK and nSEL.MOSI is for the serial data transmission from C8051F930 to Si4432; MISO is for the serial data transmission from Si4432 to C8051F930; SCK is for the serial data transmission on MOSI and MISO line between synchronous C8051F930 and Si4432; NSEL is as chip selection signal, while only having chip selection signal to be low level, just effective to the operation of Si4432.
Described fingerprint identification module adopts the FM-180 module of built-in High Performance DSP processor.When fingerprint collecting, fingerprint identification module gathers fingerprint image by fingerprint collecting sensor, fingerprint image is carried out after the pre-service such as sharpening, and the feature that takes the fingerprint from fingerprint image, then compression is stored in module; When fingerprint recognition, fingerprint identification module is compared the finger print information gathering after treatment and all fingerprint characteristics that are stored in module, according to the discrimination arranging, has judged whether same or analogous fingerprint, and has returned to recognition result.
Described host computer is take PC as hardware support platform.PC control software mainly completes the registration and management function of work attendance information.When system works, fingerprint authentication terminal is responsible for gathering finger print information and identification finger print information, by radio receiving transmitting module 2, identification result is uploaded to work attendance control terminal.Work attendance control terminal sends checking-in result to host computer by RS232 serial ports.
Disclosed is above only the specific embodiment of this patent, but this patent is not limited thereto, for the person of ordinary skill of the art, is not departing under the prerequisite of the utility model principle, and the distortion of making should be considered as belonging to the utility model protection domain.
Claims (4)
1. a wireless fingerprint attendance system, comprise host computer, work attendance control terminal and fingerprint authentication terminal, it is characterized in that: described work attendance control terminal comprises single-chip microcomputer 1, radio receiving transmitting module 1 and serial port circuit, described radio receiving transmitting module 1 is connected with single-chip microcomputer 1, and described serial port circuit is connected with single-chip microcomputer 1 with host computer respectively; Described fingerprint authentication terminal comprises single-chip microcomputer 2, radio receiving transmitting module 2, LCD display module, fingerprint identification module and memory module, and described single-chip microcomputer 2 is connected with memory module with radio receiving transmitting module 2, LCD display module, fingerprint identification module respectively; Described fingerprint authentication terminal is sent to work attendance control terminal by the finger print data of collection by wireless mode, and work attendance control terminal sends to host computer by the finger print data of collection by serial ports.
2. wireless fingerprint attendance system according to claim 1, is characterized in that: described radio receiving transmitting module 1 and radio receiving transmitting module 2 all adopt built-in high performance SI4432 wireless transport module.
3. wireless fingerprint attendance system according to claim 1, is characterized in that: described single-chip microcomputer 1 and single-chip microcomputer 2 all adopt C8051F930 single-chip microcomputer.
4. wireless fingerprint attendance system according to claim 1, is characterized in that: described fingerprint identification module adopts the FM-180 module of built-in High Performance DSP processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320830059.4U CN203596041U (en) | 2013-12-10 | 2013-12-10 | Wireless fingerprint attendance checking system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320830059.4U CN203596041U (en) | 2013-12-10 | 2013-12-10 | Wireless fingerprint attendance checking system |
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| CN203596041U true CN203596041U (en) | 2014-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320830059.4U Expired - Fee Related CN203596041U (en) | 2013-12-10 | 2013-12-10 | Wireless fingerprint attendance checking system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104766074A (en) * | 2015-04-29 | 2015-07-08 | 宁波摩米创新工场电子科技有限公司 | Bias voltage type fingerprint recognition system based on logic amplifying processing |
| CN104794452A (en) * | 2015-04-29 | 2015-07-22 | 宁波摩米创新工场电子科技有限公司 | Triode bias type fingerprint recognition system |
| CN108270864A (en) * | 2018-01-22 | 2018-07-10 | 温州索易软件开发有限公司 | A kind of membership information manages system |
-
2013
- 2013-12-10 CN CN201320830059.4U patent/CN203596041U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104766074A (en) * | 2015-04-29 | 2015-07-08 | 宁波摩米创新工场电子科技有限公司 | Bias voltage type fingerprint recognition system based on logic amplifying processing |
| CN104794452A (en) * | 2015-04-29 | 2015-07-22 | 宁波摩米创新工场电子科技有限公司 | Triode bias type fingerprint recognition system |
| CN104766074B (en) * | 2015-04-29 | 2017-12-01 | 宁波摩米创新工场电子科技有限公司 | A kind of voltage bias type fingerprint recognition system of logic-based enhanced processing |
| CN104794452B (en) * | 2015-04-29 | 2018-06-26 | 宁波摩米创新工场电子科技有限公司 | A kind of triode voltage bias type fingerprint recognition system |
| CN108270864A (en) * | 2018-01-22 | 2018-07-10 | 温州索易软件开发有限公司 | A kind of membership information manages system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140514 Termination date: 20141210 |
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| EXPY | Termination of patent right or utility model |