CN200941621Y - ID card identification system - Google Patents
ID card identification system Download PDFInfo
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- CN200941621Y CN200941621Y CN 200620035069 CN200620035069U CN200941621Y CN 200941621 Y CN200941621 Y CN 200941621Y CN 200620035069 CN200620035069 CN 200620035069 CN 200620035069 U CN200620035069 U CN 200620035069U CN 200941621 Y CN200941621 Y CN 200941621Y
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- recognition system
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Abstract
The utility model relates to radiofrequency recognition technique, in particular to a network recognition system. The utility model provides an identification card recognition system based on network, which aims to overcome the present identification card recognition system shortcomings of high cost and low system resource utilization rate. The technical scheme of the utility model is that the identification card recognition system is composed of a host and at lest one subordinate machine. The host comprises a safety module and a first communication device, and the safety module is connected with the first communication device; the subordinate machine comprises a card reading module and a second communication device, and the card reading module is connected with the second communication device; the first communication device is connected with the second communication device through network. The utility model had beneficial effects of that the whole system uses the safety module of a same host, the system resource is fully utilized, the system cost is reduced, in particular to adopting wireless local area network for data exchanging, wire network installation is not needed, so the cost is further reduced.
Description
Technical field
The utility model relates to REID, particularly a kind of Network Recognition system.
Background technology
Second generation identity card is a kind of radio-frequency identification card, and along with popularizing that second generation identity card uses, identity card reader is more and more extensive in the configuration of social all departments, and often business hall or checking hall just need work simultaneously with many identity card readers.Identity card reader generally is made of security module and card reading module, card reading module antenna emission ASK carrier signal, and accept the BPSK carrier signal that identity card returns, and through phase demodulating, data are sent to the security module deciphering, read identity information.
Existing identity card reader, inside must comprise the security module of the decryption identity card information that is used for that a public security department provides, and this security module price is 700 a yuan/platform.Suppose that a business hall needs 8 readers, every reader is placed on the business window, the business personnel handled a service needed 3 minutes, wherein read about 1.5 seconds of the time that an ID card needs, the identity card reader of 8 band security modules, the utilization rate of every identity card reader security module is all very low, has both increased office cost, causes the significant wastage of system resource again.
The utility model content
Technical problem to be solved in the utility model is exactly at existing ID Card Recognition System cost height, and the shortcoming that resource utilization ratio is low provides a kind of based on network ID Card Recognition System.
The utility model solve the technical problem, and the technical scheme of employing is that ID Card Recognition System is made of main frame and at least one extension set; Described main frame comprises the security module and first communicator, and described security module is connected with described first communicator; Described extension set comprises card reading module and second communication device, and described card reading module is connected with described second communication device; Described first communicator is connected by network with described second communication device.
The beneficial effects of the utility model are that the security module of the shared main frame of whole system by the network exchange data, makes full use of system resource, has reduced system cost, satisfies the needs of general business occasion fully.Particularly adopt WLAN (wireless local area network), carry out exchanges data, need not backguy and arrange net, further reduced cost.
Description of drawings
Fig. 1 is the ID Card Recognition System structural representation;
Fig. 2 is the main machine structure schematic diagram;
Fig. 3 is the extension set structural representation.
Embodiment
Below in conjunction with drawings and Examples, describe the technical solution of the utility model in detail.
The utility model carries out exchanges data by network shared system resource.As shown in Figure 1, ID Card Recognition System of the present utility model comprises main frame and at least one extension set (three extension sets have been shown among Fig. 1).For information security, the form of network using local area network (LAN) of the present utility model, main frame is the deciphering center of identity information, has the function of LAN server again, can be that the extension set of local area network (LAN) inside distributes the address automatically.Because do not need to carry out exchanges data between each extension set, network configuration of the present utility model is very simple, the transmission of signal is only carried out between main frame and each extension set.
The technical solution of the utility model is that ID Card Recognition System is made of main frame and at least one extension set; Described main frame comprises the security module and first communicator, and described security module is connected with described first communicator; Described extension set comprises card reading module and second communication device, and described card reading module is connected with described second communication device; Described first communicator is connected by network with described second communication device;
Preferably, described network is a wireless network; Described first communicator and second communication device are radio communication device;
Concrete is that described radio communication device working frequency range is the 2.4GHz frequency range;
Further be, described main frame comprises card reading module, and described card reading module is connected with described security module; Described main frame has card-reading function.
Embodiment
Fig. 2 is the main machine structure schematic diagram of embodiment, and this routine main frame is by wireless module, microprocessor, and card reading module and security module constitute.Wherein, microprocessor, first communicator of wireless module and antenna sets cost example, this communicator is a radio communication device, its working frequency range is the open free frequency range in the 2.4GHz whole world.Card reading module is connected with security module by the microprocessor in first communicator, and security module both can be decrypted the data that this machine-read card module reads, and also can be decrypted by the data that first communicator transmits extension set and transmit.
Fig. 3 is the structural representation of this routine extension set, and extension set is made of second communication device and card reading module.Card reading module is set up contact by the microprocessor in the second communication device, and the data that card reading module reads send main frame to by the second communication device.The second communication device that this is routine also is the radio communication device that is operated in the 2.4GHz frequency range, and its structure comprises wireless module and microprocessor.
Microprocessor adopts the P89LPC932 of PHILIP company, and this chip adopts high performance processor structure, and be 2 to 4 clock cycle time for each instruction, and 6 times to the 80C51 device.This chip main performance is as follows:
8K can wipe the FLASH program storage;
The ram in slice of 256 bytes, the additional ram in slice of 512 bytes;
The serial FLASH online programming;
28 pin TSSOP encapsulation.
It is little that this chip meets the card reading module volume fully, fireballing requirement, and ram in slice is big, can realize online upgrading.
Microprocessor can be shared with card reading module, and also can adopting independently, chip constitutes.
Wireless module: the nRF2401 wireless receiving and dispatching one chip that adopts Norway Nordic company to release, working frequency range is the 2.4GHz frequency range.Have the transmission rate height, good stability, the confidentiality height, the characteristics that peripheral cell is few can realize the hardware CRC check.
Card reading module: can adopt the product of import, also development and Design voluntarily.
The host work principle:
This routine main frame can be read the ID card separately, also can communicate by letter with other extension sets by network, and the identity card code data that extension set is transmitted is decrypted.In the middle of practical application, the networking request that main frame can be sent from the initiate extension set of dynamic response, main frame is that this extension set distributes address automatically, main frame can distribute the address of 8 extension sets automatically, forms LAN.When extension set is sent the Card Reader request, behind the response of host, frequency hopping is to secret channel simultaneously to make the main frame extension set by frequency hopping, and main frame sends the Card Reader order to extension set then, read identity card aft engine extension set and return to common signal channel simultaneously, finishing this operating time only need 2 second.
The extension set operation principle:
In extension set when start, be search for networks at first automatically, search mainframe network after, the inquiry card command is sent in beginning automatically, when identity card was put on the card reading module, extension set sent the Card Reader request by wireless module to main frame immediately, and set up the wireless link relation with main frame.Extension set carries out the Card Reader operation to identity card, and the enciphered data of reading identity card sends main frame to by secret frequency range.Main frame receives the data that extension set transmits, and be decrypted by security module, and the ID card information after will decipher returns to extension set, and extension set is given this information uploading computer or carried out this locality demonstration, finishes the Card Reader process.
Claims (4)
1. ID Card Recognition System is characterized in that, described ID Card Recognition System is made of main frame and at least one extension set; Described main frame comprises the security module and first communicator, and described security module is connected with described first communicator; Described extension set comprises card reading module and second communication device, and described card reading module is connected with described second communication device; Described first communicator is connected by network with described second communication device.
2. ID Card Recognition System according to claim 1 is characterized in that, described network is a wireless network; Described first communicator and second communication device are radio communication device.
3. ID Card Recognition System according to claim 2 is characterized in that, described radio communication device working frequency range is the 2.4GHz frequency range.
4. according to claim 1,2 or 3 described ID Card Recognition System, it is characterized in that described main frame also comprises card reading module, described card reading module is connected with described security module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620035069 CN200941621Y (en) | 2006-07-27 | 2006-07-27 | ID card identification system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620035069 CN200941621Y (en) | 2006-07-27 | 2006-07-27 | ID card identification system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200941621Y true CN200941621Y (en) | 2007-08-29 |
Family
ID=38747794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620035069 Expired - Fee Related CN200941621Y (en) | 2006-07-27 | 2006-07-27 | ID card identification system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200941621Y (en) |
-
2006
- 2006-07-27 CN CN 200620035069 patent/CN200941621Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |