CN206515836U - Bluetooth mobile RFID read write line - Google Patents

Bluetooth mobile RFID read write line Download PDF

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Publication number
CN206515836U
CN206515836U CN201720225001.5U CN201720225001U CN206515836U CN 206515836 U CN206515836 U CN 206515836U CN 201720225001 U CN201720225001 U CN 201720225001U CN 206515836 U CN206515836 U CN 206515836U
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China
Prior art keywords
module
radio
write line
frequency
read write
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CN201720225001.5U
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Chinese (zh)
Inventor
杨建成
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Beijing Shooin Polytron Technologies Inc
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Beijing Shooin Polytron Technologies Inc
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Priority to CN201720225001.5U priority Critical patent/CN206515836U/en
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Abstract

The utility model is related to a kind of bluetooth mobile RFID read write line, including housing and the read-write system in housing, and the read-write system includes:Control module, radio-frequency module, antenna, bluetooth communication module and power module;The power module is electrically connected with the control module, radio-frequency module and bluetooth communication module respectively;The antenna connects radio-frequency module, and the signal received is transferred into radio-frequency module, or the signal that radio-frequency module transmission comes is gone out, and the radio-frequency module is decoded to received signal, and decoded article tag information is sent to control module;The read write line control module is connected using asynchronous serial communication mode with the bluetooth communication module.It provides wireless blue tooth communication interface, and module dissipation is low, small volume, is highly suitable for being embedded into handheld mobile device and short-range applications.

Description

Bluetooth mobile RFID read write line
Technical field
The utility model is related to radio frequency identification (RFID) field, and in particular to one kind is applied to logistic storage, personnel Identification, electronic bill, electric power inspection, government regulation, food imitative puppet, package tracking, product quality, drug control etc. are a variety of wireless The bluetooth mobile RFID read write line of radio-frequency recognition system.
Background technology
RFID technique is a kind of automatic identification technology realized based on radio frequency recognition principle, has been widely used in personnel The fields such as management, warehousing management, communications and transportation.RFID system generally includes electronic tag, read write line and data processor.The electricity Subtab is used to storage article or personnel's data.The read write line can gather the data of electronic tag storage in induction range, and It is sent to the application systems such as data processor.The read write line is as between connection Back end data processor and front end electronics label Main thoroughfare, it has served very important.
However, in many applications due to there is a variety of different data exchange demands, single RFID read-write equipment is not Demand can be fully met.Particularly in the applications such as mobile inspection, inspection, RFID reader needs to power using own power source, Simultaneously necessary not only for the identification for completing label, in addition it is also necessary to realize send data to all kinds of mobile terminals accordingly, realize The seamless connection of data flow.In addition, how to provide the read write line that a kind of convenient carrying is used;How the module work(of read write line is reduced Consumption, the technical scheme of extension read write line use time is also urgently improved.
Utility model content
The purpose of this utility model is to overcome defect of the prior art, designs a kind of bluetooth mobile RFID read write line, Wireless blue tooth communication interface is provided, module dissipation is low, small volume, is highly suitable for being embedded into handheld mobile device and short distance From application.
To achieve the above object, the technical scheme that the utility model is used is a kind of bluetooth mobile RFID read write line, bag Housing and the read-write system in housing are included, the read-write system includes:Control module, radio-frequency module, antenna, bluetooth are led to Interrogate module and power module;The power module is electrically connected with the control module, radio-frequency module and bluetooth communication module respectively Connect;The antenna connects radio-frequency module, and the signal received is transferred into radio-frequency module, or the letter that radio-frequency module transmission is come Number go out, the radio-frequency module is decoded to received signal, and decoded article tag information is sent to control Module;The read write line control module is connected using asynchronous serial communication mode with the bluetooth communication module.
In one of them preferred scheme, the power module includes PMU and charhing unit, the power supply Administrative unit is made up of two LDO in parallel, and the pin connection of described two LDO circuit one end and control module, the other end connects The charhing unit is connect, the power module uses MicroUSB interface input powers, and is connected to described fill by PMOS Electric unit.
In another preferred scheme, the radio-frequency module includes RFID read-write unit, radio-frequency oscillator, radio frequency reception Device, preamplifier and balanced to unbalanced transformer composition;Radio-frequency carrier signal is produced by radio-frequency oscillator and put by rf processor Greatly, with the radio frequency after amplification after the carrier wave demodulation launched/reflected from RFID tag that radio-frequency module receives antenna Carrier signal is matched, and RFID read-write unit is transmitted to again through balanced to unbalanced transformer conversion after successful matching.
In a preferred scheme, the control module 20 is connected with LED control circuit, buzzer circuit and triggering Button circuit, the trigger button of the trigger button circuit connection includes scanning triggering key 2 and menu key 3.
On the other hand the utility model provides the reading/writing method of above-mentioned bluetooth mobile RFID read write line, at least includes:(1) The serial ports of bluetooth module binding generation on read write line power supply and main frame is opened, is that read write line and main frame enter bluetooth connection state; (2) after the instruction of read write line Receiving Host, read write line, which performs command method, to be included:It is immediately performed and instructs and return to implementing result extremely Main frame;Or, wait operator to press after the executive button of read write line, execute instruction simultaneously returns to implementing result to main frame;Or, Read write line close to the electronic tag read, is continued to complete the execution of instruction by person to be operated after label enters reading and writing device antenna And return to response data.
The utility model bluetooth mobile RFID read write line is supported many to HF frequency range ISO18000-6C/EPC C1G2 etc. comprehensively Plant the read-write operation of standard agreement RFID.Wireless blue tooth communication interface is provided, can be with palm PC, PDA, intelligent hand The handheld device of any embedded with bluetooth communication such as machine is used cooperatively, and is not limited by equipment wireline interface form.
Utensil Mi'c'ro'USB wireline interfaces are read and write, USB chargings is supported and makes this product as desk-top RFID reader With;The product design is compact, is easy to carry, flexible and convenient operation.It is immediately performed, singly in addition, the utility model read write line is provided with A variety of modes of operation such as key triggering, card seeking triggering, tag read is convenient and swift.
Brief description of the drawings
Fig. 1 is a kind of principle schematic for embodiment that the utility model bluetooth moves read write line;
Fig. 2 is a kind of structural representation figure of embodiment of power module;
Fig. 3 is a kind of structural representation of embodiment of radio-frequency module;
Fig. 4 is display circuit figure in read write line embodiment;
Fig. 5 is power control circuit figure in read write line embodiment;
Fig. 6 is a kind of structural representation for embodiment that the utility model bluetooth moves read write line.
Embodiment
With reference to the accompanying drawings and examples, embodiment of the present utility model is further described.Implement below Example is only used for clearly illustrating the technical solution of the utility model, and protection model of the present utility model can not be limited with this Enclose.
A kind of bluetooth mobile RFID read write line of the present utility model, applied to handheld mobile device, article and logistics management, Warehousing management, the care of animal, article anti-counterfeit, electronic article surveillance and manufacture and the various wireless RF ID such as processing, the production automation Application scheme.The read write line includes housing 1 and the read-write system in housing 1;Shown in Fig. 1, the read-write system bag Include:Control module 20, radio-frequency module 21, antenna 22, bluetooth communication module 23 and power module 24;24 points of the power module Do not electrically connected with the control module 20, radio-frequency module 21 and bluetooth communication module 23;The antenna 22 connects radio-frequency module 21, The signal received is transferred to radio-frequency module 21, or radio-frequency module 21 is transmitted to the signal come and is gone out, the radio frequency Module 21 is decoded to received signal, and decoded article tag information is sent to control module 20;The read write line Control module 20 is connected using asynchronous serial communication mode with the bluetooth communication module 23.
Shown in Fig. 2, the power module 24 includes PMU and charhing unit, and the PMU is by simultaneously Two LDO of connection are constituted, and the pin of described two LDO circuit one end and control module is connected, and the other end connection charging is single Member, the power module uses MicroUSB interface input powers, and is connected to the charhing unit by PMOS.Read write line There is provided USB interface to be connected with main frame, read write line internal battery can not only be charged, while desk-top read-write can be regard read write line as Device, is operated by the application program controlling run on main frame.
Shown in Fig. 3, the radio-frequency module 21 includes RFID read-write unit, radio-frequency oscillator, radio frequency receiver, preposition amplification Device and balanced to unbalanced transformer composition;Radio-frequency carrier signal is produced and amplified by rf processor, radio-frequency module by radio-frequency oscillator With the radio-frequency carrier signal after amplification after 21 carrier wave demodulations launched/reflected from RFID tag for receiving antenna 22 Pairing, RFID read-write unit is transmitted to after successful matching again through balanced to unbalanced transformer conversion.
The control module 20 is connected with LED control circuit, buzzer circuit and trigger button circuit, and the triggering is pressed The trigger button of button circuit connection includes scanning triggering key 2 and menu key 3, sees Fig. 6, the scanning triggering key 2 is arranged on The side of housing 1, the menu key 3 is located at the front of housing 1.Be close to switch key in menu key 3 is one double Color LED, function is battery charging instruction.When a battery is being charged, when red.Battery is full of, green light.Centre is bluetooth Indicator lamp, color is blueness, when bluetooth is not connected with, blue indicator light flicker, bluetooth connection success, blue lamp Chang Liang.Bluetooth is closed When closing, blue lamp does not work.The leftmost side is that RFID reads indicator lamp, and color is green, when main frame reads the EPC information of label, Green indicating lamp flashes, while buzzer rings.When RFID main frames are less than label E PC, green indicating lamp does not work.Scan triggering key 2 act as:When read write line performs the RFID operation of singly-bound triggering mode, after operational order is assigned, user will be waited to press This button is used for the operation of triggering following.The trigger button that fuselage front sets trigger button or fuselage side to set is played together Sample is acted on, and facilitates user to be used with different holding modes.
The antenna 22 is on the inside of the rear shell of housing 1, in a specific embodiment, using 45mm*45mm ceramics Antenna, transmission power is 19.5~26dBm, with tag readable degree distance, the advantage of strong antijamming capability.Card reader is used When, it should be gone with the front (below LCD screen) of body shell 1 close to by operation RFID.
The radio-frequency module 21 is communicated using 840~960MHz frequency and RFID;The bluetooth communication mould Block 23 can select TTL-RS23, and its communication baud rate between control module 20 is 115200bps, data bit:8, stop position: 1。
The control module 20 is connected with display module 25, and the display module 25 passes through the liquid crystal located at the upside of housing 1 Display screen realizes presentation of information.
The housing 1 is cuboidal configuration, sees Fig. 6, and its length, width and height size is 110mm*58mm*28mm;After the housing 1 Portion is provided with 8 font handpieces 4.
The utility model bluetooth mobile RFID read write line when in use, need to be by it with palm PC, PDA, smart mobile phone etc. Handheld device wirelessly sets up connection by bluetooth, must carry out bluetooth bindings;The connection of itself and PC is connected using Micro USB Wiring, after the machine is connected by USB interface with PC, automatically into charged state, and the generation USB virtual serial ports (VCP) on PC.
A kind of reading/writing method of RFID reader, methods described at least includes
The serial ports of bluetooth module binding generation on read write line power supply and main frame is opened, is that read write line and main frame connect into bluetooth Connect state;
After the instruction of read write line Receiving Host, read write line, which performs command method, includes following three kinds of modes:
(1) immediate execution mode:Read write line is received after the instruction of main frame, is immediately performed and is instructed and return implementing result;
(2) button is waited to be performed after pressing:Read write line is received after host command, waits operator to press touching on read write line Button is sent out, button continues to complete the execution of instruction and returns to response data after pressing;
(3) read write line is waited to be performed close to after label:Read write line is received after host command, and starting waiting for operator will read and write Device is close to the electronic tag (RFID TAG) read, and when read write line is near enough from electronic tag, (i.e. label enters reading and writing device antenna After) when continue to complete the execution of instruction and return to response data.
Methods described also includes LED control circuit and controls multiplex circuit respectively as the case may be:When read write line is received Simultaneously the match is successful for radiofrequency signal, that is, when reading label E PC information, the LED flash for prompting of particular color, while buzzer circuit Response;When read write line, which receives radiofrequency signal, to be mismatched, the LED of particular color does not work.
Control on LED also includes following methods:
RFID operation indicator lamp:Opened in reading and writing device antenna radiofrequency signal, card seeking can be carried out to RFID, is read When the operation such as writing, indicator lamp is lighted, and the indicator lamp is green.
Bluetooth state indicator lamp:The wireless working condition of bluetooth for indicating read write line.Used as portable read write line When, after turning on the power switch, the blue tooth wireless communication of read write line is automatically into net state is sought, and now bluetooth state indicator lamp is continuous Flicker;After main frame is connected with read write line binding, bluetooth state indicator lamp is persistently lighted.The indicator lamp is blueness.
Charge status indicating light:Can be the polymer lithium built in read write line after read write line is connected with main frame using USB Ion battery charges.In charging process, charging indicator light is red Chang Liang, after charging complete, and charging indicator light is green Chang Liang.
Described above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art For art personnel, on the premise of the utility model technical principle is not departed from, some improvements and modifications can also be made, these change Enter and retouch and also should be regarded as protection domain of the present utility model.

Claims (10)

1. a kind of bluetooth mobile RFID read write line, including housing (1) and the read-write system in housing (1), its feature exist In the read-write system includes:Control module (20), radio-frequency module (21), antenna (22), bluetooth communication module (23), power supply Module (24) and display module (25);The power module (24) respectively with the control module (20), radio-frequency module (21), Bluetooth communication module (23) and display module (25) electrical connection;Antenna (22) the connection radio-frequency module (21), by what is received Signal is transferred to radio-frequency module (21), or the signal that radio-frequency module (21) transmission comes is gone out, the radio-frequency module (21) received signal is decoded, decoded article tag information is sent to control module (20);The read write line Control module (20) is connected using asynchronous serial communication mode with the bluetooth communication module (23), described.
2. bluetooth mobile RFID read write line as claimed in claim 1, it is characterised in that the power module (24) includes power supply Administrative unit and charhing unit, the PMU are made up of two LDO in parallel, described two LDO circuit one end with The pin connection of control module, the other end connects the charhing unit, and the power module inputs electricity using MicrouUSB interfaces Source, and the charhing unit is connected to by PMOS.
3. bluetooth mobile RFID read write line as claimed in claim 1, it is characterised in that the radio-frequency module (21) includes RFID Read-write cell, radio-frequency oscillator, radio frequency receiver, preamplifier and balanced to unbalanced transformer composition;Radio-frequency carrier signal is by penetrating Frequency oscillator is produced and amplified by rf processor, and radio-frequency module (21) is signed and issued what antenna (22) was received from radio frequency identification marking Match, changed after successful matching through balanced to unbalanced transformer with the radio-frequency carrier signal after amplification after the carrier wave demodulation penetrated/reflected RFID read-write unit is transmitted to again.
4. bluetooth mobile RFID read write line as claimed in claim 1, it is characterised in that the control module (20) is connected with LED control circuit, buzzer circuit and trigger button circuit, the trigger button of the trigger button circuit connection include scanning Triggering key (2) and menu key (3).
5. bluetooth mobile RFID read write line as claimed in claim 4, it is characterised in that the scanning triggering key (2) is arranged on Housing (1) side, the menu key (3) is located at housing (1) front.
6. bluetooth mobile RFID read write line as claimed in claim 1, it is characterised in that the antenna (22) is located at housing (1) Rear shell on the inside of, using 45mm*45mm ceramic antenna, transmission power is 19.5~26dBm.
7. bluetooth mobile RFID read write line as claimed in claim 1, it is characterised in that the radio-frequency module (21) uses 840 ~960MHz frequency and RFID communication;Communication between the bluetooth communication module (23) and control module (20) Baud rate is 115200bps.
8. bluetooth mobile RFID read write line as claimed in claim 1, it is characterised in that the display module (25) by located at LCDs on the upside of housing (1) realizes presentation of information.
9. bluetooth mobile RFID read write line as claimed in claim 1, it is characterised in that the housing (1) is cuboidal configuration, Its length, width and height size is 110mm*58mm*28mm.
10. bluetooth mobile RFID read write line as claimed in claim 1, it is characterised in that housing (1) rear portion is provided with 8 words Type handpiece (4).
CN201720225001.5U 2017-03-08 2017-03-08 Bluetooth mobile RFID read write line Active CN206515836U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720225001.5U CN206515836U (en) 2017-03-08 2017-03-08 Bluetooth mobile RFID read write line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720225001.5U CN206515836U (en) 2017-03-08 2017-03-08 Bluetooth mobile RFID read write line

Publications (1)

Publication Number Publication Date
CN206515836U true CN206515836U (en) 2017-09-22

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Application Number Title Priority Date Filing Date
CN201720225001.5U Active CN206515836U (en) 2017-03-08 2017-03-08 Bluetooth mobile RFID read write line

Country Status (1)

Country Link
CN (1) CN206515836U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112654029A (en) * 2020-12-15 2021-04-13 高新兴智联科技有限公司 Portable Bluetooth module read-write equipment and system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112654029A (en) * 2020-12-15 2021-04-13 高新兴智联科技有限公司 Portable Bluetooth module read-write equipment and system

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