CN209015165U - Radio-frequency reading-writing device with interface adaptive - Google Patents
Radio-frequency reading-writing device with interface adaptive Download PDFInfo
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- CN209015165U CN209015165U CN201822230716.7U CN201822230716U CN209015165U CN 209015165 U CN209015165 U CN 209015165U CN 201822230716 U CN201822230716 U CN 201822230716U CN 209015165 U CN209015165 U CN 209015165U
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Abstract
The utility model category is related to a kind of radio-frequency reading-writing device with interface adaptive, including main control module, radio-frequency module, display module, communication module.The main control module is SCM Based circuit board, by interface form and the mode of connection, the protocol type of the other radio-frequency module of procedure judges handles the data from radio-frequency module, it drives display module to show relevant information, carries out data exchange with PC machine and other peripheral hardwares.The display module is connect by contact pin with main control module, is the liquid crystal display for supporting Chinese and English character display function, for showing data and operating result from radio frequency identification module.The radio-frequency module is the radio frequency module for reading and writing of different agreement, includes antenna circuit, has connecting terminal, connect by connecting terminal connection cable with main control module, realizes the data exchange with main control module.
Description
Technical field
The utility model belongs to a kind of radio-frequency reading-writing device, reads more particularly to a kind of radio frequency with interface adaptive
Write device judges automatically the protocol type of radio-frequency module by radio-frequency interface circuit.
Background technique
Radio Frequency Identification Technology is a kind of wireless communication technique, and specific objective can be identified by radio signals and reads and writes phase
Close data.In radio-frequency recognition system, identification target is referred to as radio-frequency card, many kinds of due to radio-frequency card, different types of
Radio-frequency card has different frequency and data protocol, therefore radio-frequency reading-writing device must use and the identical frequency that identifies target
The recognition and data write-in to target are just able to achieve with agreement.Existing radio-frequency reading-writing device is usually the dress for supporting single-protocol
It sets, cannot achieve being compatible with or judging automatically for each agreement, therefore, a device can only operate a type of radio-frequency card, such as
Fruit shows the identification of multiple type radio cards, then multiple radio-frequency reading-writing devices must be configured, the device of different agreements, hardware
Configuration is different, and the driver of equipment is different, thus production and processing link cause the higher cost of equipment, manpower requirements compared with
Height, while the problems such as be easy to cause maloperation.
Summary of the invention
Goal of the invention: the utility model is a kind of radio-frequency reading-writing device with interface adaptive, the journey of main control module
Various radio frequency identification data agreements are integrated in sequence, its object is to pass through interface circuit, program by way of block combiner
The type of radio-frequency module can be judged automatically, and according to corresponding agreement, executes corresponding operation, is not necessarily to people in whole process
For intervention, improve working efficiency while, reduce production cost, and avoid maloperation caused by human factor.
Technical solution:
A kind of radio-frequency reading-writing device with interface adaptive, the device is by main control module, display module, radio frequency mould
Block, communication module composition；
The main control module is the circuit board with single-chip microcontroller, is provided with radio-frequency interface circuit, passes through connecting terminal
It is connect with radio-frequency module；
Display module is connect by contact pin with main control module, for showing data and operation knot from radio frequency identification module
Fruit；
Radio-frequency module is the radio frequency module for reading and writing of different agreement, includes antenna circuit, has connecting terminal, pass through terminals
Sub- connection cable is connect with main control module；
Communication module has input terminal and output end, and input terminal is connect by connecting terminal with main control module, interface TTL
Level；Output end is USB interface；
Singlechip clock and reset circuit are additionally provided on the single-chip microcontroller；
The radio-frequency interface circuit includes the connector of 16 pins, and has the function of preventing reversely being inserted into, with list
The connection of piece machine；
The interface of the connector includes three parts:
First part is power unit, including two pins, respectively signal ground and power supply；
Second part is protocol interface part, respectively LF frequency band signals pin, 14443 protocol signal pipes of HF frequency range
Foot, 15693 protocol signal pin of HF frequency range, uhf band 18000-6 protocol signal pin；Each pin in protocol interface part and list
Piece machine is connected；
Part III be data and control port part, including connect with single-chip microcontroller two-way I/O mouthfuls of pins, two be used for
The pin of serial data communication.
The radio-frequency reading-writing device with interface adaptive, preferably: the single-chip microcontroller is also connected with buzzer.
The radio-frequency reading-writing device with interface adaptive, preferably: the display module is that LCD shows mould
Block.
Advantage and effect:
Compared with existing radio-frequency reading-writing device, which, which has, is not necessarily to human intervention, judges automatically, the spy of intuitive display
Point.When work, by the interface circuit of radio-frequency module, the protocol type of procedure judges radio-frequency module is then automatic to execute
The operational order of respective protocol, and liquid crystal display by data and result in a manner of Chinese and character, directly display out.
The device passes through the protocol type of procedure judges radio-frequency module, is manufacturing link, it is only necessary to a version
This program, then can carry out by way of block combiner, make the radio-frequency reading-writing device of different agreement, therefore can be with
Production procedure is greatly simplified, and avoids artificial maloperation, therefore working efficiency not only can be improved, but also can reduce and set
Standby cost and maintenance cost.Meanwhile the device has scalability, can increase the radio frequency identification of support according to different requirements,
Module type directly replaces original module, then more new procedures, to realize widely application.
Detailed description of the invention:
Fig. 1 is the functional structure chart of the use of the new type；
Fig. 2 is schematic diagram of device；
Fig. 3 is wiring diagram.
Specific embodiment:
The utility model is described in detail below according to attached drawing:
A kind of radio-frequency reading-writing device with interface adaptive of the utility model, including four parts: main control module is shown
Show that module, radio-frequency module, communication module, the function and embodiment of each section are as follows:
1. main control module；
Main control module is SCM Based circuit board, has radio-frequency interface circuit, passes through connecting terminal and radio-frequency module
Connection, and pass through interface form and the mode of connection, the protocol type of the other radio-frequency module of procedure judges, to from radio-frequency module
Data handled, driving display module shows relevant information, carries out data exchange with PC machine and other peripheral hardwares.
2. display module
Display module is connect by contact pin with main control module, is the liquid crystal display for supporting Chinese and English character display function,
For showing data and operating result from radio frequency identification module.
3. radio-frequency module
Radio-frequency module is the radio frequency module for reading and writing of different agreement, includes antenna circuit, has connecting terminal, pass through terminals
Sub- connection cable is connect with main control module, realizes the data exchange with main control module；
4. communication module
Communication module has input terminal and output end, and input terminal is connect by connecting terminal with main control module, interface TTL
Level, realize with the communication of main control module data, output end is USB interface, realizes main control module and PC machine and other peripheral hardwares
Connected and data exchange.
Software and hardware two parts provided by the utility model.
Software is SCM Based program, is stored in the single-chip microcontroller of main control module, realizes sentencing for radio-frequency module agreement
The disconnected, processing to the data from radio-frequency module, driving display module and to the displays of data and operating result, with PC machine and its
The functions such as the data exchange of his peripheral hardware.
Hardware device includes: main control module, display module, radio-frequency module and communication module.Main control module is with monolithic
Machine is the device of core, connect respectively with radio-frequency module and communication module by connecting terminal and interface circuit, by contact pin and
Display module connection.
Aspect is set in interface and circuit, interface is defined as follows:
Element P1 is the connector of 16 pin, and has the function of preventing reversely being inserted into, with frequency read/write
Micro process (MCU) connection；
The interface of P1 includes three parts:
First part is power unit, including pin 1 and pin 16, and pin 1 is signal ground, and pin 16 is power supply
(VCC)；
Second part is protocol interface part, including pin 15, pin 14, pin 13 and pin 12, respectively LF frequency range
Signal pin, 14443 protocol signal pins of HF frequency range, 15693 protocol signal pin of HF frequency range, uhf band 18000-6 agreement
Signal pin is connect with the pin of MCU 1, pin 2, pin 3 and pin 4 respectively；
Part III is data and control port part, including 11 ~ pin of pin 2, wherein 11 ~ pin of pin 4, respectively with
25 ~ pin of pin 32 of microprocessor connects, and the attribute of the part pin is two-way I/O mouthfuls, and pin 3 and pin 4 can be used for
Serial data communication, when being used for serial communication, the TX(sending port of pin 3 and MCU) it connect, the RX(of pin 4 and MCU are received
Port) connection.
Claims (3)
1. a kind of radio-frequency reading-writing device with interface adaptive, it is characterised in that:
The device main control module, display module, radio-frequency module, communication module by being made of；
The main control module be the circuit board with single-chip microcontroller, be provided with radio-frequency interface circuit, by connecting terminal with penetrate
Frequency module connection；
Display module is connect by contact pin with main control module, for showing data and operating result from radio frequency identification module；
Radio-frequency module is the radio frequency module for reading and writing of different agreement, includes antenna circuit, has connecting terminal, connected by connecting terminal
The line that runs in is connect with main control module；
Communication module has input terminal and output end, and input terminal is connect by connecting terminal with main control module, and interface is TTL electricity
It is flat；Output end is USB interface；
Singlechip clock and reset circuit are additionally provided on the single-chip microcontroller；
The radio-frequency interface circuit includes the connector of 16 pins, and has the function of preventing reversely being inserted into, with single-chip microcontroller
Connection；
The interface of the connector includes three parts:
First part is power unit, including two pins, respectively signal ground and power supply；
Second part is protocol interface part, respectively LF frequency band signals pin, 14443 protocol signal pins of HF frequency range, HF
15693 protocol signal pin of frequency range, uhf band 18000-6 protocol signal pin；Each pin in protocol interface part and single-chip microcontroller phase
Connection；
Part III be data and control port part, including connect with single-chip microcontroller two-way I/O mouthful pins, two for serially
The pin of data communication.
2. the radio-frequency reading-writing device according to claim 1 with interface adaptive, it is characterised in that: the single-chip microcontroller
It is also connected with buzzer.
3. the radio-frequency reading-writing device according to claim 1 with interface adaptive, it is characterised in that: the display mould
Block is LCD display module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822230716.7U CN209015165U (en) | 2018-12-28 | 2018-12-28 | Radio-frequency reading-writing device with interface adaptive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822230716.7U CN209015165U (en) | 2018-12-28 | 2018-12-28 | Radio-frequency reading-writing device with interface adaptive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209015165U true CN209015165U (en) | 2019-06-21 |
Family
ID=66844292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822230716.7U Active CN209015165U (en) | 2018-12-28 | 2018-12-28 | Radio-frequency reading-writing device with interface adaptive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209015165U (en) |
-
2018
- 2018-12-28 CN CN201822230716.7U patent/CN209015165U/en active Active
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