CN203552314U - Attendance system with remote identification function - Google Patents
Attendance system with remote identification function Download PDFInfo
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- CN203552314U CN203552314U CN201320656661.0U CN201320656661U CN203552314U CN 203552314 U CN203552314 U CN 203552314U CN 201320656661 U CN201320656661 U CN 201320656661U CN 203552314 U CN203552314 U CN 203552314U
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Abstract
The utility model discloses an attendance system with a remote identification function. The attendance system comprises a central processing unit, a fingerprint acquisition device, an LED (light emitting diode) indicator lamp, an external communication interface, a gate and an alarm bell, wherein the fingerprint acquisition device, the LED indicator lamp and the external communication interface are connected with the central processing unit respectively; the gate and the alarm bell are connected with the central processing unit through the external communication interface; the gate is controlled to ascend and descend through the central processing unit. The attendance system is characterized by also comprising a radio frequency sending module and a radio frequency receiving module, wherein the radio frequency sending module is arranged inside a moving device; the radio frequency receiving module is connected with the central processing unit; the radio frequency receiving module, the central processing unit and the external communication interface are arranged on the same motherboard in an integrated manner. Compared with the prior art, the attendance system has the beneficial effects that the problem of remote identification can be effectively solved through the attendance system; the identification distance can exceed ten meters; the attendance system is suitable for identification of a high-speed moving object.
Description
Technical field
The utility model relates to Time Attendance Device, particularly relates to a kind of attendance checking system with long distance identification function.
Background technology
What in existing attendance checking system, RFID radio frequency aspect is mostly used is the REID of low frequency system.Low frequency system refers generally to its frequency of operation and is less than 30MHz, and typical frequency of operation comprises 125KHz, 225KHz and 13.56MHz.The radio-frequency recognition system of these frequency application generally has corresponding international standard to support, its basic characteristics are that the cost of electronic tag is lower, the data volume of preserving in label is less, read antenna directivity not strong, especially reading distance is shorter, typical reading distance in passive situation only has 10cm left and right, therefore, does not have long distance identification function.
Summary of the invention
Technical problem to be solved in the utility model is the defect that makes up above-mentioned prior art, and a kind of attendance checking system with long distance identification function is provided.
Technical matters of the present utility model is solved by the following technical programs.
This attendance checking system with long distance identification function, comprise CPU (central processing unit), the fingerprint acquisition device, LED light and the external communication interface that are connected with described CPU (central processing unit) respectively, and the door lock, the emergency alarm bell that by described external communication interface, are connected with described CPU (central processing unit), described door lock is risen and fallen by described central processing unit controls.
The feature of this attendance checking system with long distance identification function is:
Also comprise the less radio-frequency sending module being placed in mobile device, and be connected with described CPU (central processing unit) and with described CPU (central processing unit), the external communication interface integrated installation less radio-frequency receiver module on same mainboard.Described less radio-frequency sending module carries out initialization and registration by non-contact radio-frequency private radio card sender, and described wireless card sender is used for user on backstage or administrative center carries out hair fastener management.
Described less radio-frequency sending module is radio-frequency (RF) identification (the Radio Frequency Identification of self charged, initialism is RFID) module, comprise radio communication interface, (Electrically Erasable Programmable Read-Only Memory, initialism is E to be provided with Digital Logic control module, the EEPROM (Electrically Erasable Programmable Read Only Memo) of security control unit
2and there is the reading antenna compared with highly directive PROM).Described less radio-frequency sending module constantly sends the electromagnetic wave that comprises the fixed frequency of asking response command towards periphery, and undertaken alternately by reading antenna and described less radio-frequency receiver module, the Digital Logic control module of described less radio-frequency sending module inside, according to the operability of the access control conditional decision request response command of the respective sectors that will access, and send corresponding information or data are processed to CPU (central processing unit).
Described less radio-frequency receiver module is the module of the non-contact card form of self charged, comprise the electronic tag induction antenna having compared with highly directive, and for storing the storer about application identification information, the series resonance frequency of described electronic tag induction antenna is identical with the frequency of the less radio-frequency sending module transmitted signal of supporting employing.Described less radio-frequency receiver module enters user while being placed on the electromagnetic field scope of the less radio-frequency sending module in mobile device, receive described less radio-frequency sending module and constantly send towards periphery the electromagnetic wave that comprises the fixed frequency of asking response command, after rectifying and voltage-stabilizing, obtain working power, and read corresponding IC-card sheet information, be converted to and be sent to CPU (central processing unit) after card data and carry out decoded data processing and comparison.
Technical matters of the present utility model is solved by following further technical scheme.
Described less radio-frequency is the wireless high-frequency higher than 400MHz.
Described less radio-frequency is the one in 433MHz, 915MHz, 2450MHz and 5800MHz.
Preferably, described less radio-frequency is 433MHz.The radio frequency signal of 433MHz has that signal is strong, transmitting procedure decay is less, transmission range long, it is strong with diffracting power to penetrate, reading distance can reach tens meters, and the advantage of adaptation swiftly passing object identification, adopt the less radio-frequency sending module that transmitted signal frequency is 433MHz, and the attendance checking system of the series resonance frequency of the electronic tag induction antenna less radio-frequency receiver module that is 433MHz, can effectively solve remote identification problem, decipherment distance can reach tens meters, and adapts to the identification of high-speed moving object.
Described CPU (central processing unit) is the CPU (central processing unit) that adopts the mobile application processor chip JZ4770 of the MIPS framework of Beijing Jun Zheng company product, for data are processed, complete work attendance person's work attendance comparison, also for storing data, expansion TCP/IP function, expansion USB flash disk function, and expanding external LCDs function.
Described LED light comprises the pilot lamp of two kinds of different colours, a kind of pilot lamp of color is glittering, and indication machine is working properly, the pilot lamp Chang Liang of another kind of color, in indicating user system, certain module goes wrong, or has malicious act personnel to attempt by work attendance.
Described door lock comprises the first safety door lock and the second safety door lock.
Described external communication interface comprises three-channel parallel relay, and its contact is connected with the first safety door lock, the second safety door lock and emergency alarm bell respectively.If IC-card sheet comparing passes through, CPU (central processing unit) starts the first sect lock opening program, opens the first safety door lock, if IC-card sheet comparing does not pass through, CPU (central processing unit) starts alert program, sounds emergency alarm bell; By fingerprint acquisition device collection, enter the user fingerprints data after the first safety door lock, be sent to CPU (central processing unit) and carry out finger print data comparison, if after finger print data comparison is passed through, CPU (central processing unit) starts the second sect lock opening program, open second safety door lock, if finger print data comparison is not passed through, CPU (central processing unit) starts alert program, sounds emergency alarm bell.
Described external communication interface also comprises RS23 communication interface and TCP/IP interface, for attendance data being sent to client server PC, to guarantee the real-time of attendance data and the generation of the abnormal work attendance of monitoring.
Technical matters of the present utility model by below further technical scheme solved.
Also comprise electric power management circuit, described electric power management circuit is to adopt the electric power management circuit with the step-down switching mode converter chip EUP3482 that eliminates power supply noise function, described electric power management circuit becomes 12V, 5V voltage transitions respectively 5V, the output of 3.3V power supply, for powering to each component parts.
The utility model beneficial effect is compared with prior art:
Adopt attendance checking system of the present utility model can effectively solve remote identification problem, decipherment distance can reach tens meters, and adapts to the identification of high-speed moving object.
Accompanying drawing explanation
Accompanying drawing is the compositional block diagram of the specific embodiment of the invention.
Embodiment
Below in conjunction with embodiment and contrast accompanying drawing the utility model is described.
A kind of attendance checking system as shown in drawings with long distance identification function, comprise CPU (central processing unit) 4, the fingerprint acquisition device 7 being connected with CPU (central processing unit) 4 respectively, LED light 5, external communication interface 6, the the first safety door lock 8 being connected with CPU (central processing unit) 4 by external communication interface 6 and the second safety door lock 9, emergency alarm bell 10, and electric power management circuit 3, electric power management circuit 3 is to adopt the electric power management circuit with the step-down switching mode converter chip EUP3482 that eliminates power supply noise function, electric power management circuit is respectively by 12V, 5V voltage transitions becomes 5V, the output of 3.3V power supply, for powering to each component parts, the first safety door lock 8 and the second safety door lock 9 are controlled and are risen and fallen by CPU (central processing unit) 4.
Also comprise the less radio-frequency sending module 1 being placed in mobile device, and be connected with CPU (central processing unit) 4 and with CPU (central processing unit) 4, the less radio-frequency receiver module 2 of external communication interface 6 integrated installations on same mainboard.
Less radio-frequency sending module 1 carries out initialization and registration by non-contact radio-frequency private radio card sender, and wireless card sender is used for user on backstage or administrative center carries out hair fastener management.
Less radio-frequency sending module 1 is the RFID module that the transmitted signal frequency of self charged is 433MHz, comprises radio communication interface, is provided with Digital Logic control module, the E2PROM of security control unit, and have the reading antenna compared with highly directive.Less radio-frequency sending module 1 constantly sends towards periphery and comprises and ask the electromagnetic wave that the fixed frequency of response command is 433MHz, and undertaken alternately by reading antenna and less radio-frequency receiver module 2, the Digital Logic control module of less radio-frequency sending module 1 inside, according to the operability of the access control conditional decision request response command of the respective sectors that will access, and send corresponding information or data are processed to CPU (central processing unit) 4.Frequency is that the radio frequency signal of 433MHz has that signal is strong, transmitting procedure decay is less, transmission range long, it is strong with diffracting power to penetrate, reading distance can reach tens meters, and adapt to the advantage that swiftly passing object is identified, can effectively solve remote identification problem.
Less radio-frequency receiver module 2 is modules of the non-contact card form of self charged, comprise the electronic tag induction antenna having compared with highly directive, and for storing the storer about application identification information, the series resonance frequency of its electronic tag induction antenna is 433MHz, identical with the frequency of less radio-frequency sending module 1 transmitted signal of supporting employing, less radio-frequency receiver module 2 enters user while being placed on the electromagnetic field scope of the less radio-frequency sending module 1 in mobile device, receive less radio-frequency sending module 1 and constantly send towards periphery the electromagnetic wave that comprises the fixed frequency of asking response command, after rectifying and voltage-stabilizing, obtain working power, and read corresponding IC-card sheet information, be converted to and be sent to CPU (central processing unit) 4 after card data and carry out decoded data processing and comparison.
CPU (central processing unit) 4 is the CPU (central processing unit) that adopt the mobile application processor chip JZ4770 of the MIPS framework of Beijing Jun Zheng company product, for data are processed, complete work attendance person's work attendance comparison, also for storing data, expansion TCP/IP function, expansion USB flash disk function, and expanding external LCDs function.
LED light 5 comprises the pilot lamp of green red dichromatism, and green indicating lamp is glittering, and indication machine is working properly, red led Chang Liang, and in indicating user system, certain module goes wrong, or has malicious act personnel to attempt by work attendance.
External communication interface 6 comprises three-channel parallel relay, RS23 communication interface and TCP/IP interface, the contact of three-channel parallel relay is connected with the first safety door lock 8, the second safety door lock 9 and emergency alarm bell 10 respectively, RS23 communication interface and TCP/IP interface are for attendance data is sent to client server PC, to guarantee the real-time of attendance data and the generation of the abnormal work attendance of monitoring.
The course of work of this embodiment, has following steps successively:
1) initialization;
2) System self-test; If there is fault, show the content of fault, if non-fault enters next step;
3) less radio-frequency receiver module 1 receives user and is placed on the radiofrequency signal that the wireless transmission radio-frequency module 1 in mobile device is launched, and reads corresponding card image;
4) be sent to CPU (central processing unit) 4 processing and carry out decoded data processing and comparison;
5) if IC-card sheet comparing passes through, CPU (central processing unit) 4 starts the first sect lock 8 opening programs, opens the first safety door lock 8, if IC-card sheet comparing does not pass through, CPU (central processing unit) 4 starts alert program, sounds emergency alarm bell 10;
6) by fingerprint acquisition device 7, gather the user fingerprints data that enter after the first safety door lock 8, be sent to CPU (central processing unit) 4 and carry out finger print data comparison;
7) if after finger print data comparison passes through, CPU (central processing unit) 4 starts the second sect lock 9 opening programs, opens second safety door lock 9, if finger print data comparison is not passed through, CPU (central processing unit) 4 starts alert program, sounds emergency alarm bell 10.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field; make without departing from the concept of the premise utility some alternative or obvious modification that are equal to; and performance or purposes identical, all should be considered as belonging to the utility model by the definite scope of patent protection of submitted to claims.
Claims (10)
1. one kind has the attendance checking system of long distance identification function, comprise CPU (central processing unit), the fingerprint acquisition device, LED light and the external communication interface that are connected with described CPU (central processing unit) respectively, and the door lock, the emergency alarm bell that by described external communication interface, are connected with described CPU (central processing unit), described door lock is risen and fallen by described central processing unit controls, it is characterized in that:
Also comprise the less radio-frequency sending module being placed in mobile device, and be connected with described CPU (central processing unit) and with described CPU (central processing unit), the external communication interface integrated installation less radio-frequency receiver module on same mainboard.
2. the attendance checking system with long distance identification function as claimed in claim 1, is characterized in that:
Described less radio-frequency sending module is the radio frequency discrimination RFID module of self charged, comprise radio communication interface, be provided with Digital Logic control module, the EEPROM (Electrically Erasable Programmable Read Only Memo) E2PROM of security control unit, and there is the reading antenna compared with highly directive.
3. the attendance checking system with long distance identification function as claimed in claim 1 or 2, is characterized in that:
Described less radio-frequency receiver module is the module of the non-contact card form of self charged, comprise the electronic tag induction antenna having compared with highly directive, and for storing the storer about application identification information, the series resonance frequency of described electronic tag induction antenna is identical with the frequency of the less radio-frequency sending module transmitted signal of supporting employing.
4. the attendance checking system with long distance identification function as claimed in claim 3, is characterized in that:
Described less radio-frequency is the wireless high-frequency higher than 400MHz.
5. the attendance checking system with long distance identification function as claimed in claim 4, is characterized in that:
Described less radio-frequency is the one in 433MHz, 915MHz, 2450MHz and 5800MHz.
6. the attendance checking system with long distance identification function as claimed in claim 5, is characterized in that:
Described less radio-frequency is 433MHz.
7. the attendance checking system with long distance identification function as claimed in claim 6, is characterized in that:
Described CPU (central processing unit) is the CPU (central processing unit) that adopts the mobile application processor chip JZ4770 of MIPS framework.
8. the attendance checking system with long distance identification function as claimed in claim 7, is characterized in that:
Described LED light comprises the pilot lamp of two kinds of different colours.
9. the attendance checking system with long distance identification function as claimed in claim 8, is characterized in that:
Described door lock comprises the first safety door lock and the second safety door lock;
Described external communication interface comprises three-channel parallel relay, and its contact is connected with the first safety door lock, the second safety door lock and emergency alarm bell respectively;
Described external communication interface also comprises RS23 communication interface and TCP/IP interface.
10. the attendance checking system with long distance identification function as claimed in claim 9, is characterized in that:
Also comprise electric power management circuit, described electric power management circuit is to adopt the electric power management circuit with the step-down switching mode converter chip EUP3482 that eliminates power supply noise function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320656661.0U CN203552314U (en) | 2013-10-23 | 2013-10-23 | Attendance system with remote identification function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320656661.0U CN203552314U (en) | 2013-10-23 | 2013-10-23 | Attendance system with remote identification function |
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| Publication Number | Publication Date |
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| CN203552314U true CN203552314U (en) | 2014-04-16 |
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| CN201320656661.0U Expired - Fee Related CN203552314U (en) | 2013-10-23 | 2013-10-23 | Attendance system with remote identification function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109275193A (en) * | 2018-08-31 | 2019-01-25 | 湖南新云网科技有限公司 | A kind of unaware is registered method, equipment of registering and system of registering |
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2013
- 2013-10-23 CN CN201320656661.0U patent/CN203552314U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109275193A (en) * | 2018-08-31 | 2019-01-25 | 湖南新云网科技有限公司 | A kind of unaware is registered method, equipment of registering and system of registering |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 26 No. 523710 Guangdong province Dongguan City Tangxia town Pingshan Industrial Avenue 188 Patentee after: Central Intelligence Polytron Technologies Inc Address before: 26 No. 523710 Guangdong province Dongguan City Tangxia town Pingshan Industrial Avenue 188 Patentee before: Dongguan ZK Electronic Technology Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140416 Termination date: 20181023 |
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| CF01 | Termination of patent right due to non-payment of annual fee |