CN105118102A - Network attendance system based on serial port server - Google Patents
Network attendance system based on serial port server Download PDFInfo
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- CN105118102A CN105118102A CN201510533456.9A CN201510533456A CN105118102A CN 105118102 A CN105118102 A CN 105118102A CN 201510533456 A CN201510533456 A CN 201510533456A CN 105118102 A CN105118102 A CN 105118102A
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Abstract
The invention discloses a network attendance system based on a serial port server. The network attendance system comprises a fingerprint attendance terminal, a serial port server and an upper management machine, wherein the fingerprint attendance terminal is suitable for acquiring user fingerprints to obtain a user attendance record; the serial port server is suitable for transmitting the user attendance record to the upper management machine and transmitting the parameter setting instruction sent by the upper management machine to the fingerprint attendance terminal; the upper management machine is suitable for storing the user attendance record and setting the related parameter of the fingerprint attendance terminal. According to the network attendance system based on the serial port server provided by the invention, the fingerprint attendance terminal is wirelessly accessed to the existing local area network and wide area network by utilizing the serial port server, and the network attendance system is suitable for the environment that the attendance sites are relatively scattered, the distances are long, and multiple attendance terminals are needed.
Description
Technical field
The present invention relates to technical field of the computer network, particularly a kind of network attendance system based on serial server.
Background technology
Fingerprint recognition refers to be differentiated by the details of more different fingerprint.Because everyone fingerprint is different, be exactly that between same people's ten refers to, fingerprint also has obvious difference, and therefore fingerprint can be used for the qualification of identity.Fingerprint identification technology relates to numerous subjects such as image procossing, pattern-recognition, computer vision, mathematical morphology, wavelet analysis, because the orientation of each stamp is not exclusively the same, center of effort difference can bring distortion in various degree, there is again a large amount of fuzzy fingerprint, how correctly to extract characteristic sum and realize the key that correct coupling is fingerprint identification technology.Fingerprint recognition application system can be divided into two classes: checking and identification.Checking be exactly a collection in worksite to fingerprint carry out man-to-man comparison with an own fingerprint through registering, confirm the process of identity; Identification be then collection in worksite to fingerprint contrast one by one with the fingerprint in fingerprint database, therefrom find out the fingerprint matched with fingerprint on site.
Current fingerprint authentication technology has been applied in various generalized information management system, can design and fingerprint authentication technology is used for work attendance, replaces traditional system of checking card, and the phenomenon avoiding generation to check card occurs.But, existing fingerprint attendance terminal is single-chip computer control system, usually only provide RS232/485 serial communication, compare dispersion, distant, the unit that needs multiple stage attendance record terminal for work attendance place, RS232/485 then can not complete remote network data transmission.
Summary of the invention
To be solved by this invention is the problem adopting Single-chip Controlling fingerprint attendance terminal can not carry out remote network data transmission.
For solving the problem, the invention provides a kind of network attendance system based on serial server, comprising fingerprint attendance terminal, serial server and tension management machine; Described fingerprint attendance terminal is suitable for gathering user fingerprints to obtain user's attendance record; Described serial server is suitable for described user's attendance record to be forwarded to described tension management machine, and forwards the parameter setting instruction extremely described fingerprint attendance terminal of described tension management machine transmission; Described tension management machine is suitable for storing described user's attendance record, and arranges correlation parameter to described fingerprint attendance terminal.
Optionally, described fingerprint attendance terminal comprises fingerprint collecting window, finger-mark check module, communication interface, single-chip microcomputer, clock circuit and flash memory; Described fingerprint collecting window is suitable for extracting characteristic parameter from user fingerprints; Described finger-mark check module is suitable for described characteristic parameter and the template parameter stored in described flash memory to carry out mating to obtain described user's attendance record; Described single-chip microcomputer is suitable for, by described communication interface, described user's attendance record is sent to described serial server; Described clock circuit is suitable for providing clock signal to described single-chip microcomputer.
Optionally, described communication interface is RS-232 interface or RS-485 interface.
Optionally, described fingerprint attendance terminal also comprises LCD display; Described LCD display is suitable for the duty showing described fingerprint attendance terminal.
Optionally, described fingerprint attendance terminal also comprises warning circuit; Described warning circuit is suitable for carrying out sounding alarm when described characteristic parameter does not mate with described template parameter.
Optionally, described warning circuit is hummer.
Optionally, described correlation parameter comprises IP address, password, level of security and work attendance effective time.
Compared with prior art, the present invention has the following advantages:
Network attendance system based on serial server provided by the invention, can realize quick, stable, work attendance exactly.Utilize the uniqueness of fingerprint characteristic, can stop for checking card phenomenon, tension management machine is adopted greatly to save the gerentocratic time, and each worker's attendance will be fed back in time, for the large enterprise of work attendance point dispersion, the LAN (Local Area Network) even wide area network utilizing serial server to be existed by fingerprint attendance terminal seamless access, conveniently can realize network attendance.
Accompanying drawing explanation
Fig. 1 is the structural representation of the network attendance system based on serial server of the embodiment of the present invention;
Fig. 2 is the structural representation of the fingerprint attendance terminal of the embodiment of the present invention.
Embodiment
Below in conjunction with embodiment and accompanying drawing, to the detailed description further of the present invention's do, but embodiments of the present invention are not limited thereto.
Network architecture technology based on ICP/IP protocol has been widely used in the various environment such as company, campus, factory and government organs.In upper computer software, both provide TCP/IP storehouse under various operating system and programming language environment, it is simple, even more simple than writing a serial ports program just as writing a serial ports program to write TCP/IP application program.Putting before this, easily equipment can be connected into Ethernet without the need to changing the program of terminal device by serial server, realize the Internet Transmission of real time data.The present invention adopts serial server to build a kind of network attendance system just, is applied to work attendance place and compares dispersion, distant, the environment that needs multiple stage attendance record terminal.Fig. 1 is the structural representation of the network attendance system based on serial server of the embodiment of the present invention, and the described network attendance system based on serial server comprises fingerprint attendance terminal 11, serial server 12 and tension management machine 13.
Particularly, described fingerprint attendance terminal 11 is suitable for gathering user fingerprints to obtain user's attendance record.Described serial server 12 is connected with described fingerprint attendance terminal 11 and described tension management machine 13, be suitable for described user's attendance record to be forwarded to described tension management machine 13, and forward the parameter setting instruction extremely described fingerprint attendance terminal of described tension management machine 13 transmission.Particularly, described serial server 12 can be connected by RS-232 interface or RS-485 interface with described fingerprint attendance terminal 11, and described serial server 12 is connected by HUB with described tension management machine 13.Further, described serial server 12 is connected to HUB by network connection.Described serial server 12 is a kind of protocol conversion apparatus of Ethernet and RS-232 interface or the mutual communication of RS-485 interface, between communication host and RS-232 interface or RS-485 interface, no matter be that communication host sends information to the RS-232 interface or RS-485 interface of specifying, or RS-232 interface or RS-485 interface send information to the communication host of specifying, can and easily and correctly transmit.Described serial server 12 converts any RS-232 interface of receiving or RS-485 interface data to TCP/UDP protocol data, makes the application program of described tension management machine 13 control RS-232 interface or RS-485 interface easily.Described tension management machine 13 is suitable for storing described user's attendance record, and arranges correlation parameter to described fingerprint attendance terminal, and described correlation parameter comprises IP address, password, level of security and work attendance effective time.
The embodiment of the present invention also provides a kind of concrete structure of described fingerprint attendance terminal 11.With reference to figure 2, described fingerprint attendance terminal 11 comprises fingerprint collecting window 21, finger-mark check module 22, communication interface 23, single-chip microcomputer 24, clock circuit 25 and flash memory 26.
Particularly, described fingerprint collecting window 21 is connected with described finger-mark check module 22, is suitable for extracting characteristic parameter from user fingerprints.Further, fingerprint can be gathered by photo-electric.Those skilled in the art know how to gather fingerprint and extraction characteristic parameter, do not repeat them here.Described finger-mark check module 22 is connected with described single-chip microcomputer 24, is suitable for described characteristic parameter and the template parameter stored in described flash memory 26 to carry out mating to obtain described user's attendance record, and the template parameter stored in described flash memory 26 prestores.Described single-chip microcomputer 24 is connected with described communication interface 23 and described flash memory 26, is suitable for, by described communication interface 23, described user's attendance record is sent to described serial server 12.Further, described single-chip microcomputer 24 is also suitable for the template parameter stored in described flash memory 26 to be forwarded to described finger-mark check module 22.In the present embodiment, described communication interface 23 is RS-232 interface or RS-485 interface.Described clock circuit 25 is connected with described single-chip microcomputer 24, and being suitable for provides clock signal to described single-chip microcomputer 24.
Further, described fingerprint attendance terminal 11 also comprises LCD display 27 and warning circuit 28.Described LCD display 27 is connected with described single-chip microcomputer 24, is suitable for the duty showing described fingerprint attendance terminal 11.Described warning circuit 28 is connected with described single-chip microcomputer 24, is suitable for carrying out sounding alarm when described characteristic parameter does not mate with described template parameter, and described warning circuit 28 can be hummer.
The above is only preferred embodiment of the present invention, and not do any pro forma restriction to the present invention, every any simple modification, equivalent variations done above embodiment according to technical spirit of the present invention, all falls within protection scope of the present invention.
Claims (7)
1. based on a network attendance system for serial server, it is characterized in that, comprise fingerprint attendance terminal, serial server and tension management machine;
Described fingerprint attendance terminal is suitable for gathering user fingerprints to obtain user's attendance record;
Described serial server is suitable for described user's attendance record to be forwarded to described tension management machine, and forwards the parameter setting instruction extremely described fingerprint attendance terminal of described tension management machine transmission;
Described tension management machine is suitable for storing described user's attendance record, and arranges correlation parameter to described fingerprint attendance terminal.
2. the network attendance system based on serial server according to claim 1, is characterized in that, described fingerprint attendance terminal comprises fingerprint collecting window, finger-mark check module, communication interface, single-chip microcomputer, clock circuit and flash memory;
Described fingerprint collecting window is suitable for extracting characteristic parameter from user fingerprints;
Described finger-mark check module is suitable for described characteristic parameter and the template parameter stored in described flash memory to carry out mating to obtain described user's attendance record;
Described single-chip microcomputer is suitable for, by described communication interface, described user's attendance record is sent to described serial server;
Described clock circuit is suitable for providing clock signal to described single-chip microcomputer.
3. the network attendance system based on serial server according to claim 2, is characterized in that, described communication interface is RS-232 interface or RS-485 interface.
4. the network attendance system based on serial server according to claim 2, is characterized in that, described fingerprint attendance terminal also comprises LCD display;
Described LCD display is suitable for the duty showing described fingerprint attendance terminal.
5. the network attendance system based on serial server according to claim 2, is characterized in that, described fingerprint attendance terminal also comprises warning circuit;
Described warning circuit is suitable for carrying out sounding alarm when described characteristic parameter does not mate with described template parameter.
6. the network attendance system based on serial server according to claim 5, is characterized in that, described warning circuit is hummer.
7. the network attendance system based on serial server according to claim 1, is characterized in that, described correlation parameter comprises IP address, password, level of security and work attendance effective time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510533456.9A CN105118102A (en) | 2015-08-27 | 2015-08-27 | Network attendance system based on serial port server |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510533456.9A CN105118102A (en) | 2015-08-27 | 2015-08-27 | Network attendance system based on serial port server |
Publications (1)
| Publication Number | Publication Date |
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| CN105118102A true CN105118102A (en) | 2015-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510533456.9A Withdrawn CN105118102A (en) | 2015-08-27 | 2015-08-27 | Network attendance system based on serial port server |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107273843A (en) * | 2017-06-12 | 2017-10-20 | 哈尔滨理工大学 | Fingerprint network management system based on ARM Cortex M4 |
Citations (4)
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|---|---|---|---|---|
| JP2003208646A (en) * | 2002-01-10 | 2003-07-25 | Mitsubishi Electric Corp | Attendance management system and portable communication terminal |
| CN201281870Y (en) * | 2008-09-27 | 2009-07-29 | 上海盛东国际集装箱码头有限公司 | Fingerprint work attendance management unit |
| CN101685554A (en) * | 2008-09-25 | 2010-03-31 | 银河港(北京)技术有限公司 | Human face identification work-attendance checking method and system based on network |
| CN103810766A (en) * | 2013-05-27 | 2014-05-21 | 常州先进制造技术研究所 | Wireless attendance system based on ZigBee technology |
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2015
- 2015-08-27 CN CN201510533456.9A patent/CN105118102A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003208646A (en) * | 2002-01-10 | 2003-07-25 | Mitsubishi Electric Corp | Attendance management system and portable communication terminal |
| CN101685554A (en) * | 2008-09-25 | 2010-03-31 | 银河港(北京)技术有限公司 | Human face identification work-attendance checking method and system based on network |
| CN201281870Y (en) * | 2008-09-27 | 2009-07-29 | 上海盛东国际集装箱码头有限公司 | Fingerprint work attendance management unit |
| CN103810766A (en) * | 2013-05-27 | 2014-05-21 | 常州先进制造技术研究所 | Wireless attendance system based on ZigBee technology |
Non-Patent Citations (2)
| Title |
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| 彭曙蓉等: "一种基于指纹识别的网络考勤系统", 《长沙电力学院学报(自然科学版)》 * |
| 杨文忠等: "基于串口服务器的指纹网络考勤系统", 《微计算机信息》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107273843A (en) * | 2017-06-12 | 2017-10-20 | 哈尔滨理工大学 | Fingerprint network management system based on ARM Cortex M4 |
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