CN203659020U - Internet of Things low-frequency card-reading device based on network interface - Google Patents
Internet of Things low-frequency card-reading device based on network interface Download PDFInfo
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- CN203659020U CN203659020U CN201320842337.8U CN201320842337U CN203659020U CN 203659020 U CN203659020 U CN 203659020U CN 201320842337 U CN201320842337 U CN 201320842337U CN 203659020 U CN203659020 U CN 203659020U
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Abstract
The utility model discloses an Internet of Things low-frequency card-reading device based on a network interface. The Internet of Things low-frequency card-reading device comprises a power supply module, a card-reading module, a master control module and a network interface control module, the power supply module provides electric energy for each module of the card-reading device, the card-reading module reads the information of radio frequency tags, demodulates the information, and sends the information to the master control module, the master control module receives the above information, analyzes the information, and sends the information to the network interface control module, and the network interface control module receives the information and sends the information via the network interface. Compared with a conventional low-frequency RFID read-write device based on a 485 interface, according to the Internet of Things low-frequency card-reading device based on the network interface, data transmission is realized by the adoption of the current network, the wiring of the 485 interface is not needed to be additionally provided at a construction place, the deployment and the implementation are simple, the cost is low, the data transmission efficiency is high, and the expansion and the integration are facilitated.
Description
Technical field
The utility model relates to a kind of low frequency reader device, is specifically related to a kind of Internet of Things low frequency reader device of network interface.
Background technology
RFID technology is a kind of automatic identification technology, and it utilizes radiofrequency signal to realize the transmission of non-contact information, and passes through transmitted information and reach the object of identification.Basic low frequency reader device is made up of electronic tag, read write line, antenna and background PC computer.RFID has been widely used in various occasions, and cheaper cost is pursued by user, researchist and IT vendor, more simply disposes and implements.It is mainly that data rate is slow by RS485 interface that the information of current domestic low frequency card reader and backstage PC is transmitted implementation, is difficult to solve the timely feedback of bulk information, simultaneously in the time disposing enforcement installation, carry out 485 wirings in construction occasion, quantities is large, and cost is high.
Utility model content
The utility model fundamental purpose is to provide a kind of Internet of Things low frequency reader device of interface Network Based, implements simply, and cost is low, and data transmission efficiency is high.
The utility model is realized by the following technical solutions:
An Internet of Things low frequency reader device for interface Network Based, is characterized in that, comprises
Power module, is used to the each module of reader device that electric energy is provided;
Card reading module, for reading radio-frequency (RF) tag information, and will be sent to main control module after described demodulates information;
Main control module, for receiving above-mentioned information, is sent to network interface control module after parsing,
Network interface control module, receives above-mentioned information and this information is sent through network interface.
Wherein, described power module comprises the first power module and second source module, and wherein, the first power module is for converting the input voltage of 12V to 5V, and second source module is for converting 5V input voltage to 3.3V.
Wherein, the first power module is TLV1117-501DCY chip; Second source module is TLV1117-331DCY chip.
Wherein, described card reading module is selected EM4095 chip, and main control module is selected STC15F2K60S2 single-chip microcomputer, and network interface controller is selected W5200 chip, and network interface is HR911105A.
Wherein, 1 pin ground connection of described the first power module TLV1117-501DCY chip, 2 pin are connected as output port with 4 pin, the input port that 3 pin are power supply.2 pin of TLV1117-50IDCY and 4 pin, as output port of power source, are connected with 12 pin of main control module STC15F2K60S2 single-chip microcomputer, are connected with 4 pin of card reading module EM4095 with 7 pin simultaneously; 2 pin of second source module TLV1117-33IDCY chip and 4 pin, as output port of power source, are connected with one end of 10uH inductance, and the other end is connected with 11 pin, 15 pin, 23 pin, 27 pin and 47 pin of W5200;
The 1st pin VSS of described card reading module EM4095 chip and the 5th pin DVSS ground connection, the 4th pin DVDD and the 7th pin VDD meet power supply 5V, and the 6th pin ANT2 of card reading module EM4095 is connected with resistance R 1, the other end of R1 and capacitor C 3, C4, C8, one end of C10 is connected; The 8th pin DEMOD_IN and the capacitor C 9 of EM4095, C11, one end of C12 is connected; Capacitor C 11, the other end ground connection of C12; Capacitor C 3, C4, C8, the other end of C10 is connected with the other end of capacitor C 9;
3 pin of described main control module STC15F2K60S2 single-chip microcomputer meet the 14 pin SHD of card reading module EM4095,27 pin of single-chip microcomputer STC15F2K60S2 meet the 2 pin RDY/CLK of card reading module EM4095, and 28 pin of single-chip microcomputer STC15F2K60S2 meet the 13 pin DEMOD_OUT of card reading module EM4095;
1 pin of described main control module STC15F2K60S2 connects 46 pin of network interface control module W5200,5 pin of STC15F2K60S2 chip connect 41 pin of control module W5200,6 pin of main control module STC15F2K60S2 connect 43 pin of network interface control module W5200,7 pin of STC15F2K60S2 connect 44 pin of W5200,8 pin of STC15F2K60S2 connect 42 pin of W5200,17 pin of main control module STC15F2K60S2 connect 40 pin of network interface control module W5200, and 18 pin of STC15F2K60S2 connect 45 pin of W5200;
17 pin of described network interface control module W5200 connect 1 pin of network interface HR911105A, 18 pin of W5200 connect 2 pin of network interface HR911105A, 20 pin of W5200 connect 3 pin of network interface HR911105A, 21 pin of W5200 connect 6 pin of network interface HR911105A, 3 pin of W5200 connect 10 pin of network interface HR911105A, and 5 pin of W5200 connect 11 pin of network interface HR911105A.
Beneficial effect: with respect to the existing low frequency RF ID read-write equipment based on 485 interfaces, the utility model adopts existing network to carry out the transmission of data, does not need construction site to carry out in addition 485 wiring, dispose and implement simply, cost is low, and data transmission efficiency is high, is convenient to expansion and integrated.
Accompanying drawing explanation
Fig. 1 is the Internet of Things low frequency card-reader configuration block diagram of the utility model interface Network Based;
Fig. 2 is card reading module hardware circuit connection layout;
Fig. 3 is main control module hardware circuit connection layout;
Fig. 4 is the first power module circuitry connection layout;
Fig. 5 is second source modular circuit connection layout;
Fig. 6 is network interface controller circuit diagram;
Fig. 7 is network interface circuit figure.
Embodiment
By describing technology contents of the present utility model, structural attitude in detail, being realized object and effect, below in conjunction with embodiment and coordinate accompanying drawing to be explained in detail.
Refer to Fig. 1, a kind of Internet of Things low frequency reader device of interface Network Based, comprises power module, is used to the each module of reader device that electric energy is provided; Card reading module, for reading radio-frequency (RF) tag information, and will be sent to main control module after described demodulates information, completes the dissection process of radiofrequency signal generation, transmission and electronic tag signal; Main control module, for receiving above-mentioned information, completes the processing of input signal and the output of control signal, realize configuration and control to device, after parsing, be sent to network interface control module, network interface control module, receives above-mentioned information and this information is sent through network interface.
The radiofrequency signal of card reading module transmitting 125KHz characteristic frequency, in the time entering antenna perform region with the destination object of electronic tag, electronic tag produces induction current, obtain work capacity, and the coded message leaving in self ROM is sent to card reading module by built-in aerial, card reading module, by after the demodulating and decoding of coded message, is delivered to main control module by effective information and is carried out relevant treatment; Main control module is identified this label according to logical operation, and information exchange is crossed to network interface sends backstage to and carry out store and management.
Referring to Fig. 2, is hardware circuit connection layout.Low frequency reader device of the present utility model comprises U1 part, U2 part, U3 part, U4 part and U5 part.U1 part is the card reading module take EM4095 as acp chip, completes the dissection process of radiofrequency signal generation, transmission and electronic tag signal; U2 is the main control module take STC15F2K60S2 as core, completes the processing of input signal and the output of control signal, realizes configuration and control to device; U3 part is the first power module, select TLV1117-501DCY chip, 12V voltage transitions is become to 5V voltage, U5 part is second source module, select TLV1117-331DCY chip, 5V voltage transitions is become to 3.3V, and these two power modules are respectively other module in circuit applicable operating voltage are provided; U4 part is W5200 network interface controller, and network interface is HR911105A, realizes the Internet Transmission of data.Wherein, physical circuit connects as follows:
U1 part (EM4095):
The 1st pin (VSS) of card reading module EM4095 and the 5th pin (DVSS) ground connection, the 4th pin (DVDD) and the 7th pin (VDD) meet power supply 5V, for chip provides voltage.The 6th pin (ANT2) of EM4095 is connected with resistance R 1, the other end of R1 and capacitor C 3, and C4, C8, one end of C10 is connected; The 8th pin (DEMOD_IN) of EM4095 and capacitor C 9, C11, one end of C12 is connected; Capacitor C 11, the other end ground connection of C12; Capacitor C 3, C4, C8, the other end of C10 is connected with the other end of capacitor C 9.Form the matched impedance circuit of antenna.
U2 part (STC15F2K60S2):
Main control module is selected single-chip microcomputer STC15F2K60S2, its 3 pin connects 14 pin (SHD) of EM4095,27 pin of single-chip microcomputer STC15F2K60S2 connect 2 pin (RDY/CLK) of EM4095, and 28 pin of single-chip microcomputer STC15F2K60S2 connect 13 pin (DEMOD_OUT) of EM4095.Realize the control of single-chip microcomputer STC15F2K60S2 to card reading module EM4095, control EM4095 sends 125KHz characteristic frequency radiofrequency signal by emitting antenna, in the time that destination object (electronic tag) enters antenna working range, electronic tag produces induction current, acquisition energy is activated, and the information exchange of self is crossed to coding and send to card reading module EM4095 from built-in radio-frequency antenna.
1 pin of single-chip microcomputer STC15F2K60S2 connects 46 pin of W5200, 5 pin of STC15F2K60S2 connect 41 pin of W5200, 6 pin of STC15F2K60S2 connect 43 pin of W5200, 7 pin of STC15F2K60S2 connect 44 pin of W5200, 8 pin of STC15F2K60S2 connect 42 pin of W5200, 17 pin of STC15F2K60S2 connect 40 pin of W5200, 18 pin of STC15F2K60S2 connect 45 pin of W5200, realize the integrated of 10/100M self-adaptation Ethernet interface, there is TCP Server, TCP Client, the multiple-working modes such as UDP and Real COM driver, support maximum four connections, support the functions such as domain name access, thereby realize the control of single-chip microcomputer to network interface data transmission method.
U3 part (TLV1117-50IDCY) and U5 part (TLV1117-33IDCY):
The 1 pin ground connection of the first power module TLV1117-50IDCY, 2 pin are connected as output port with 4 pin, the input port that 3 pin are power supply, and the first power module TLV1117-50IDCY realizes the voltage transitions of 12V-5V, 12V voltage stabilizing is become to 5V, for single-chip microcomputer and EM4095 provide operating voltage; Connection and the TLV1117-50IDCY of second source module TLV1117-33IDCY are similar, connection and the TLV1117-50IDCY of TLV1117-33IDCY are similar, 2 pin of TLV1117-33IDCY and 4 pin are as output port of power source, be connected with one end of 10uH inductance, the other end is connected with 11 pin, 15 pin, 23 pin, 27 pin and 47 pin of W5200, realize the voltage transitions of 5V-3.3V, for W5200 provides operating voltage.
U4 part (W5200):
Network interface control module is selected W5200 chip, its 17 pin meets network interface P2(and selects HR911105A) 1 pin, 18 pin of W5200 connect 2 pin of network interface P2,20 pin of W5200 connect 3 pin of network interface P2,21 pin of W5200 connect 6 pin of network interface P2,3 pin of W5200 connect 10 pin of network interface P2, and 5 pin of W5200 connect 11 pin of network interface P2.Send data to backstage by network interface.
The core Card Reader chip of the passive label radiofrequency signal data acquisition module of low frequency reader device of the present utility model is EM4095 chip, and peripheral circuit is relatively simple, and function is strong, can enter dormant state, low in energy consumption; Data communication between low frequency card reading module and backstage is to transmit by network, compared with adopting RS485 serial interface communication, does not need other cloth 485 lines in the past, only needs to adopt original network to complete data communication, and quantities is little, and cost is low.
The foregoing is only embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model instructions and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (5)
1. an Internet of Things low frequency reader device for interface Network Based, is characterized in that, comprises power module, is used to the each module of reader device that electric energy is provided;
Card reading module, for reading radio-frequency (RF) tag information, and will be sent to main control module after described demodulates information;
Main control module, for receiving above-mentioned information, is sent to network interface control module after parsing,
Network interface control module, receives above-mentioned information and this information is sent through network interface.
2. the Internet of Things low frequency reader device of interface Network Based according to claim 1, it is characterized in that, described power module comprises the first power module and second source module, wherein, the first power module is for converting the input voltage of 12V to 5V, and second source module is for converting 5V input voltage to 3.3V.
3. the Internet of Things low frequency reader device of interface Network Based according to claim 2, is characterized in that, the first power module is TLV1117-501DCY chip; Second source module is TLV1117-331DCY chip.
4. the Internet of Things low frequency reader device of interface Network Based according to claim 3, it is characterized in that, described card reading module is selected EM4095 chip, and main control module is selected STC15F2K60S2 single-chip microcomputer, network interface controller is selected W5200 chip, and network interface is HR911105A.
5. the Internet of Things low frequency reader device of interface Network Based according to claim 4, is characterized in that, 1 pin ground connection of described the first power module TLV1117-501DCY chip, and 2 pin are connected as output port with 4 pin, the input port that 3 pin are power supply; 2 pin of TLV1117-50IDCY and 4 pin, as output port of power source, are connected with 12 pin of main control module STC15F2K60S2 single-chip microcomputer, are connected with 4 pin of card reading module EM4095 with 7 pin simultaneously; 2 pin of second source module TLV1117-33IDCY chip and 4 pin, as output port of power source, are connected with one end of 10uH inductance, and the other end is connected with 11 pin, 15 pin, 23 pin, 27 pin and 47 pin of W5200;
The 1st pin VSS of described card reading module EM4095 chip and the 5th pin DVSS ground connection, the 4th pin DVDD and the 7th pin VDD meet power supply 5V, and the 6th pin ANT2 of card reading module EM4095 is connected with resistance R 1, the other end of R1 and capacitor C 3, C4, C8, one end of C10 is connected; The 8th pin DEMOD_IN and the capacitor C 9 of EM4095, C11, one end of C12 is connected; Capacitor C 11, the other end ground connection of C12; Capacitor C 3, C4, C8, the other end of C10 is connected with the other end of capacitor C 9;
3 pin of described main control module STC15F2K60S2 single-chip microcomputer meet the 14 pin SHD of card reading module EM4095,27 pin of single-chip microcomputer STC15F2K60S2 meet the 2 pin RDY/CLK of card reading module EM4095, and 28 pin of single-chip microcomputer STC15F2K60S2 meet the 13 pin DEMOD_OUT of card reading module EM4095;
1 pin of described main control module STC15F2K60S2 connects 46 pin of network interface control module W5200,5 pin of STC15F2K60S2 chip connect 41 pin of control module W5200,6 pin of main control module STC15F2K60S2 connect 43 pin of network interface control module W5200,7 pin of STC15F2K60S2 connect 44 pin of W5200,8 pin of STC15F2K60S2 connect 42 pin of W5200,17 pin of main control module STC15F2K60S2 connect 40 pin of network interface control module W5200, and 18 pin of STC15F2K60S2 connect 45 pin of W5200;
17 pin of described network interface control module W5200 connect 1 pin of network interface HR911105A, 18 pin of W5200 connect 2 pin of network interface HR911105A, 20 pin of W5200 connect 3 pin of network interface HR911105A, 21 pin of W5200 connect 6 pin of network interface HR911105A, 3 pin of W5200 connect 10 pin of network interface HR911105A, and 5 pin of W5200 connect 11 pin of network interface HR911105A.
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| CN201320842337.8U CN203659020U (en) | 2013-12-19 | 2013-12-19 | Internet of Things low-frequency card-reading device based on network interface |
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| CN201320842337.8U CN203659020U (en) | 2013-12-19 | 2013-12-19 | Internet of Things low-frequency card-reading device based on network interface |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112134638A (en) * | 2020-09-24 | 2020-12-25 | 四川省广播电视科学技术研究所 | Synchronous deployment system and method for Internet of things and emergency broadcast |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112134638A (en) * | 2020-09-24 | 2020-12-25 | 四川省广播电视科学技术研究所 | Synchronous deployment system and method for Internet of things and emergency broadcast |
| CN112134638B (en) * | 2020-09-24 | 2023-04-18 | 四川省广播电视科学技术研究所 | Synchronous deployment system and method for Internet of things and emergency broadcast |
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| CP01 | Change in the name or title of a patent holder |
Address after: 362200 room 707, International Trade Building or Cetra Building, Qingyang street, Jinjiang, Fujian, Quanzhou Patentee after: FUJIAN ZHUOZHAN INFORMATION TECHNOLOGY CO.,LTD. Address before: 362200 room 707, International Trade Building or Cetra Building, Qingyang street, Jinjiang, Fujian, Quanzhou Patentee before: FUJIAN GIOT INFORMATION TECHNOLOGY CO.,LTD. |
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Granted publication date: 20140618 |
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