CN205028316U - RFID read write line based on intelligent terminal - Google Patents

RFID read write line based on intelligent terminal Download PDF

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Publication number
CN205028316U
CN205028316U CN201520630445.8U CN201520630445U CN205028316U CN 205028316 U CN205028316 U CN 205028316U CN 201520630445 U CN201520630445 U CN 201520630445U CN 205028316 U CN205028316 U CN 205028316U
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CN
China
Prior art keywords
micro
intelligent terminal
usb interface
integrated circuit
rfid interrogator
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201520630445.8U
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Chinese (zh)
Inventor
张世龙
唐雅娜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangzhou Longsheng Technology Co., Ltd.
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张世龙
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Priority to CN201520630445.8U priority Critical patent/CN205028316U/en
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Publication of CN205028316U publication Critical patent/CN205028316U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a RFID read write line based on intelligent terminal, including RFID read/write module, USB interface integrated circuit, the micro -USBAB socket, the switch, micro -USBA plug and shell, RFID read/write module is connected with USB interface integrated circuit electricity, USB interface integrated circuit is connected with micro -USB A plug electricity, the micro -USBAB socket is connected with USB interface integrated circuit and micro -USB A plug electricity respectively, the switch is connected with micro -USB A plug electricity. The RFID read write line passes through the switch can switch over the use under two kinds of modes of OTG and extrapolation power, have very high commonality, in addition its simple structure, with low costs, small, portable.

Description

A kind of rfid interrogator based on intelligent terminal
Technical field
The utility model belongs to technical field of RFID, more specifically, relates to a kind of rfid interrogator based on intelligent terminal.
Background technology
RFID(RadioFrequencyIdentification, radio frequency identification) technology is a kind of new technology of automatic identification field.The features such as passive RFID tags has that volume is little, lightweight, price is low, long service life, the coding whole world that stores are unique, are more and more applied in multiple industry such as food safety trace back, commodity counterfeit prevention and field.
But conventionally the read write line volume of passive RFID tags is large, Heavy Weight, mostly be desk-top, often need to be connected with computing machine by RS232, USB or Ethernet interface, could realize its read-write enable, be not easy to carry, be confined to use in super specialist shop or store; Handhold RFID read write line then price is relatively high, is unfavorable for holding in one's own possession of ordinary populace user, thus limits the widespread use of RFID technique in food safety trace back, commodity counterfeit prevention field.
Along with informationalized development, intelligent terminal is (as smart mobile phone, Intelligent flat), portable power source has become the necessity of popular life, along with the development of intelligent terminal and RFID industry, rfid interrogator based on intelligent terminal also more and more enters our visual field, mobile telephone external formula rfid interrogator (China Patent Publication No. CN202650042) can realize the identification to RFID label tag, weak point is that described device includes battery, battery management unit, hummer, the parts such as microprocessor, add cost and the volume of described device, described mobile phone refers in particular to as apple brand mobile phone simultaneously, audient face is little, rfid interrogator (China Patent Publication No. CN201741169) based on mobile phone 7816 interface can complete the reading of RFID label tag, weak point needs to be connected with 7816 interfaces of mobile phone when being and using, the controller of described device also needs to be connected with SIM cards of mobile phones simultaneously, connect use procedure complicated, as embedded in mobile phone, need the support of mobile phone production firm, a kind of reading that can complete RFID label tag for the false proof rfid interrogator based on intelligent terminal (China Patent Publication No. CN203746098) reviewing industry based on intelligent terminal, there is no power module, cost is low, weak point needs intelligent terminal to support OTG function, and versatility is limited.
Summary of the invention
The purpose of this utility model is to provide that a kind of volume is little, cost is low, be easy to carry and a kind of rfid interrogator based on intelligent terminal of strengthening of versatility.
To achieve these goals, the technical solution of the utility model is as follows:
A kind of rfid interrogator based on intelligent terminal, comprise RFID read-write module, USB interface integrated circuit, micro-USBA plug and shell, described RFID read-write module is electrically connected with USB interface integrated circuit, USB interface integrated circuit is electrically connected with micro-USBA plug, described rfid interrogator also comprises micro-USBAB socket and switch, described micro-USBAB socket is electrically connected with USB interface integrated circuit and micro-USBA plug respectively, switch is electrically connected with micro-USBA plug, described RFID read-write module, USB interface integrated circuit, micro-USBAB socket, switch and micro-USBA receptacle package are fixed in the enclosure.
In such scheme, intelligent terminal equally also comprises a micro-USBAB socket, the micro-USBA plug of rfid interrogator is electrically connected with the micro-USBAB socket of intelligent terminal, rfid interrogator outside can arrange portable power source, described portable power source is connected with micro-USBA plug, and described micro-USBA plug is electrically connected with the micro-USBAB socket of described rfid interrogator.Intelligent terminal can be the smart machines such as mobile phone, flat board, computing machine, described rfid interrogator uses as the external assembly of intelligent terminal, volume is little, be convenient for carrying, be transferred to intelligent terminal by USB interface integrated circuit, micro-USBA plug after rfid interrogator module reads rf data, these rf datas may be used for realizing tracing to the source of product or false proof.
Described rfid interrogator provides OTG and extrapolation power supply two kinds of mode of operations, the switching of two kinds of mode of operations is carried out by switch, when on off state is ON, represent and supporting that the intelligent terminal of OTG function uses, rfid interrogator inserts micro-USBA plug to be supported just to start working in the micro-USBAB socket of the intelligent terminal of OTG function, and needed for rfid interrogator work, power supply is provided by intelligent terminal; When on off state is OFF, represent and need extrapolation 5V portable power source, supporting or do not supporting the intelligent terminal of OTG function can use, described rfid interrogator inserts its micro-USBA plug in the micro-USBAB socket of intelligent terminal, 5V portable power source is inserted in its micro-USBAB socket and just starts working, needed for rfid interrogator work, power supply is provided by the portable power source of extrapolation.
In such scheme, described USB interface integrated circuit is the USB interface integrated chip of free drive.
In such scheme, GND, TxD, RxD, VCC pin of described RFID read-write module is corresponding with GND, TxD, RxD, VCC pin of USB interface integrated circuit to be electrically connected, Vbus, D+, D-, GND pin of USB interface integrated circuit is corresponding with Vbus, D+, D-, GND pin of micro-USBA plug to be electrically connected, and the ID pin of USB interface integrated circuit is unsettled.
Further, Vbus, GND pin of described USB interface integrated circuit is corresponding with Vbus, GND pin of micro-USBAB socket to be electrically connected, and two pins of described switch are corresponding with ID, GND pin of micro-USBA plug to be respectively electrically connected.
In such scheme, described RFID read-write module is the RFID read-write module meeting ISO18000-6B/ISO18000-6C standard or EPCGlobalClass1Gen2 agreement.
Compared with prior art, the utility model has following beneficial effect:
(1) described rfid interrogator uses as the external assembly of intelligent terminal, without the need to destroying the outward appearance of intelligent terminal, does not affect intelligent terminal own module function.
(2) described rfid interrogator provides two kinds of mode of operations, the switching of OTG pattern and extrapolation electric source modes is carried out by switch, extrapolation electric source modes is applicable to the use scenes do not supported the intelligent terminal of OTG function or frequently carry out reading and writing, OTG pattern is applicable to intelligent terminal and the read-write use scenes infrequently of supporting OTG function, adds the versatility of rfid interrogator.
(3) this rfid interrogator have that structure is simple, cost is low, volume is little, be easy to carry, single face, the feature such as easy to use, improve the feasibility that public users individual has rfid interrogator.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of rfid interrogator based on intelligent terminal of the present embodiment.
Fig. 2 is the box-shaped structure schematic diagram of a kind of rfid interrogator based on intelligent terminal of the present embodiment.
Fig. 3 is the circuit theory schematic diagram of a kind of rfid interrogator based on intelligent terminal of the present embodiment.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described, but embodiment of the present utility model is not limited to this; In order to embodiment of the present utility model is described better, some parts of accompanying drawing have omission, zoom in or out, and do not represent the size of actual product; For a person skilled in the art, in accompanying drawing, some known features and explanation thereof may be omitted is understandable.
As shown in Figure 1, a kind of rfid interrogator based on intelligent terminal in the utility model, described rfid interrogator 1 comprises RFID read-write module 11, USB interface integrated circuit 12, micro-USBAB socket 13, switch 14, micro-USBA plug 15 and shell 16, described RFID read-write module 11 is electrically connected with USB interface integrated circuit 12, USB interface integrated circuit 12 is electrically connected with micro-USBA plug 15, micro-USBAB socket 13 is electrically connected with USB interface integrated circuit 12 and micro-USBA plug 15 respectively, switch 14 is electrically connected with micro-USBA plug 15, described RFID read-write module 11, USB interface integrated circuit 12, micro-USBAB socket 13, switch 14 and micro-USBA plug 15 encapsulation are fixed in shell 16, box-shaped structure after encapsulation as shown in Figure 2.
Described intelligent terminal 2 comprises micro-USBAB socket 21, by micro-USBA plug 15 being inserted in micro-USBAB socket 21 electrical connection realizing rfid interrogator 1 and intelligent terminal 2, described rfid interrogator 1 outside is provided with portable power source 3, described portable power source 3 is connected with micro-USBA plug 31, realizes the electrical connection of rfid interrogator 1 and portable power source 3 by micro-USBA plug 31 being inserted micro-USBAB socket 13.
Described rfid interrogator provides OTG, extrapolation power supply two kinds of mode of operations, the switching of two kinds of mode of operations is carried out by switch 14, when switch 14 state is ON, represent use on the intelligent terminal 2 supporting OTG function, rfid interrogator 1 inserts micro-USBA plug 15 to be supported just to start working in the micro-USBAB socket 21 of the intelligent terminal 2 of OTG function, and the rfid interrogator 1 required power supply that works is provided by intelligent terminal 2; When switch 14 state is OFF, represent and need extrapolation 5V portable power source 3, supporting or do not supporting the intelligent terminal 2 of OTG function can use, described rfid interrogator 1 inserts its micro-USBA plug 15 in the micro-USBAB socket 21 of intelligent terminal 2, the micro-USBA plug 31 of 5V portable power source 3 is inserted in micro-USBAB socket 13 and just starts working, the rfid interrogator 1 required power supply that works is provided by the portable power source 3 of extrapolation, is all completed by the APP program of intelligent terminal 2 and upper operation thereof enable, the communication of rfid interrogator 1, data transmission.
As shown in Figure 3, the GND of described RFID read-write module 11, TxD, RxD, the GND of VCC pin and USB interface integrated circuit 12, TxD, RxD, the electrical connection of VCC pin correspondence, the Vbus of USB interface integrated circuit 12, D+, D-, the Vbus of GND pin and micro-USBA plug 15, D+, D-, the electrical connection of GND pin correspondence, the ID pin of USB interface integrated circuit 12 is unsettled, the Vbus of USB interface integrated circuit 12, the Vbus of GND pin and micro-USBAB socket 13, the electrical connection of GND pin correspondence, two pins of described switch 14 respectively with the ID of micro-USBA plug 15, the electrical connection of GND pin correspondence.
Concrete, RFID read-write module 11 meets ISO18000-6B/ISO18000-6C standard or EPCGlobalClass1Gen2 consensus standard, and USB interface integrated circuit 12 is FT231 free drive USB interface integrated chip.
The Micro-USBAB socket 21 of described intelligent terminal 2 is general electricity charging interface, what adopt is the microUSB interface of 5pin, when the state of the switch 14 of described rfid interrogator is ON, realize the ID pin of the 4Pin of micro-USBA plug 15 and the short circuit of GND pin, intelligent terminal 2 is by the ID pin short circuit of the 4Pin of the plug inserting intelligent terminal 2 being detected, intelligent terminal 2 is configured to main equipment, and the power supply that enable OTG power supply chip makes VBUS pin export 5V is that rfid interrogator 1 is powered; When the state of switch 14 is OFF, make the ID pin of the 4Pin of micro-USBA plug 15 unsettled, even support the smart machine of OTG function, because detect that the ID pin of the 4Pin of the plug inserting intelligent terminal 2 is unsettled, also will VBUS pin be made to export the power supply of 5V by enable OTG power supply chip, now be powered for rfid interrogator 1 by the 5V portable power source 3 inserting described rfid interrogator 1.
A kind of course of work of rfid interrogator under OTG pattern based on intelligent terminal of the utility model is as follows:
1, switch 14 is set to ON state;
2, by micro-USBA plug 15 being inserted in micro-USBAB socket 21 electrical connection of the intelligent terminal 2 realizing rfid interrogator 1 and support OTG function;
3, intelligent terminal 2 detects the ID pin short circuit of micro-USBA plug 15 4Pin of insertion, and intelligent terminal 2 is configured to main equipment, and enable OTG power supply chip makes VBUS pin export the power supply of 5V, thus provides power supply supply for rfid interrogator 1;
4, the APP program in intelligent terminal 2 is run, carry out enable to rfid interrogator 1, read and meet the RFID label tag of ISO18000-6B/ISO18000-6C standard or EPCGlobalClass1Gen2 consensus standard, and by APP realize label data read after trace to the source, fake certification function.
The course of work of a kind of rfid interrogator based on intelligent terminal of the utility model outside under plug-in source module is as follows:
1, switch 14 is set to OFF state;
2, by micro-USBA plug 31 being inserted in micro-USBAB socket 13 electrical connection realizing rfid interrogator 1 and portable power source 3, for rfid interrogator 1 provides power supply supply;
3, by micro-USBA plug 15 being inserted in micro-USBAB socket 21 electrical connection realizing rfid interrogator 1 and intelligent terminal 2;
4, intelligent terminal 2 detects that the ID pin of the 4Pin of micro-USBA plug 15 is unsettled, even support the smart machine of OTG function, because detect that the ID pin of the 4Pin of the micro-USBA plug inserting intelligent terminal 2 is unsettled, then will VBUS pin be made to export the power supply of 5V by enable OTG power supply chip, now by the 5V portable power source 3 inserting described rfid interrogator 1 for rfid interrogator is powered.
5, the APP program in intelligent terminal 2 is run, carry out enable to rfid interrogator 1, read and meet the RFID label tag of ISO18000-6B/ISO18000-6C standard or EPCGlobalClass1Gen2 consensus standard, and by APP realize label data read after trace to the source, fake certification function.
Described rfid interrogator 1 can easily with existing intelligent terminal 2 with the use of, Data acquisition and transmit can be realized by micro-USB interface, and make RFID read-write module 11 can share the man-machine interface of intelligent terminal 2, message handler and power supply, thus effectively reduce cost and the volume of rfid interrogator, improve the portability of rfid interrogator, can use at arbitrary intelligent terminal simultaneously, improve the equipment interoperability of rfid interrogator.
Above-described embodiment of the present utility model is only for the utility model example is clearly described, does not form the restriction to the utility model protection domain.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Any amendment done within spiritual principles of the present utility model, equivalent replacement and improvement etc., all should be included within claims of the present utility model.

Claims (6)

1. the rfid interrogator based on intelligent terminal, comprise RFID read-write module (11), USB interface integrated circuit (12), micro-USBA plug (15) and shell (16), described RFID read-write module (11) is electrically connected with USB interface integrated circuit (12), USB interface integrated circuit (12) is electrically connected with micro-USBA plug (15), it is characterized in that: described rfid interrogator (1) also comprises micro-USBAB socket (13) and switch (14), described micro-USBAB socket (13) is electrically connected with USB interface integrated circuit (12) and micro-USBA plug (15) respectively, switch (14) is electrically connected with micro-USBA plug (15), described RFID read-write module (11), USB interface integrated circuit (12), micro-USBAB socket (13), switch (14) and micro-USBA plug (15) encapsulation are fixed in shell (16).
2. a kind of rfid interrogator based on intelligent terminal according to claim 1, it is characterized in that: described intelligent terminal (2) comprises micro-USBAB socket (21), described micro-USBA plug (15) is electrically connected with micro-USBAB socket (21).
3. a kind of rfid interrogator based on intelligent terminal according to claim 2, it is characterized in that: described rfid interrogator (1) outside is provided with portable power source (3), described portable power source (3) is connected with micro-USBA plug (31), and described micro-USBA plug (31) is electrically connected with described micro-USBAB socket (13).
4. a kind of rfid interrogator based on intelligent terminal according to claim 3, it is characterized in that: GND, TxD, RxD, VCC pin of described RFID read-write module (11) is corresponding with GND, TxD, RxD, VCC pin of USB interface integrated circuit (12) to be electrically connected, Vbus, D+, D-, GND pin of USB interface integrated circuit (12) is corresponding with Vbus, D+, D-, GND pin of micro-USBA plug (15) to be electrically connected, and the ID pin of USB interface integrated circuit (12) is unsettled.
5. a kind of rfid interrogator based on intelligent terminal according to claim 4, it is characterized in that: Vbus, GND pin of described USB interface integrated circuit (12) is corresponding with Vbus, GND pin of micro-USBAB socket (13) to be electrically connected, two pins of described switch (14) are corresponding with ID, GND pin of micro-USBA plug (15) to be respectively electrically connected.
6. a kind of rfid interrogator based on intelligent terminal according to any one of claim 1-5, is characterized in that: the USB interface integrated chip that described USB interface integrated circuit (12) is free drive.
CN201520630445.8U 2015-08-20 2015-08-20 RFID read write line based on intelligent terminal Expired - Fee Related CN205028316U (en)

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CN201520630445.8U CN205028316U (en) 2015-08-20 2015-08-20 RFID read write line based on intelligent terminal

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Application Number Priority Date Filing Date Title
CN201520630445.8U CN205028316U (en) 2015-08-20 2015-08-20 RFID read write line based on intelligent terminal

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109684892A (en) * 2019-01-03 2019-04-26 南京南瑞微电子技术有限公司 A kind of separate type RFID reader that can be charged mutually with terminal device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109684892A (en) * 2019-01-03 2019-04-26 南京南瑞微电子技术有限公司 A kind of separate type RFID reader that can be charged mutually with terminal device

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20190118

Address after: 510000 First Floor 101, 58 Jinzhongheng Road, Baiyun District, Guangzhou City, Guangdong Province

Patentee after: Guangzhou Longsheng Technology Co., Ltd.

Address before: 510240 No. 24 Dongsha Street, Textile Road, Haizhu District, Guangzhou City, Guangdong Province

Patentee before: Zhang Shilong

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160210

Termination date: 20190820