CN206378879U - A kind of card reading system - Google Patents
A kind of card reading system Download PDFInfo
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- CN206378879U CN206378879U CN201621208026.6U CN201621208026U CN206378879U CN 206378879 U CN206378879 U CN 206378879U CN 201621208026 U CN201621208026 U CN 201621208026U CN 206378879 U CN206378879 U CN 206378879U
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- card reader
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Abstract
This application discloses a kind of card reading system, it includes multiple card reader, and the card reader includes reading unit and processor unit；The reading unit is used for from tag reader outgoing label information, and the processor unit is used to receive the label information of reading unit reading and sends a data, id information of the packet containing label information and the card reader；Controller, for receiving and handling the data that the processor unit of each card reader is sent；Wherein, using controller as root node, it is electrically connected between the processor unit in controller, each card reader with tree topology.In the application, it is tree topology between processor unit in controller, each card reader, so as to which communication can be achieved in the FPDP that multiple card reader only take up controller, not only reduce the port number for taking controller, so that the manufacture for possessing the card reading system of multiple card reader becomes easy, the card reading system reliability produced is high.
Description
Technical field
The application is related to a kind of card reading system.
Background technology
Radio frequency identification (RFID, Radio Frequency Identification) technology is increasingly wider, and one
Individual typical application scenarios are exactly to be gone using radio frequency identification card reader (RFID Reader) to wireless radio frequency identification mark
(RFID backscatter) is written and read operation.Card reader needs to work by relevant interface and controller connection,
Controller is used to send information and writing commands of label to be written etc. to card reader, and reception card reader is read from label
The label information taken and processing, the interface between controller and card reader generally have parallel port, SPI serial ports etc., and either which kind of should
With occasion, a card reader is required for taking the control interface of controller at least 2 lines, if needed in an application system multiple
Card reader, connect the control interface for the card reader occupied increases into multiple.
With the development and the progress of technology of society, more card reader are applied in an application system and are had become
Relatively conventional scene, such as machine human product, chess product and study class product, they are needed in an application system
Multiple card reader are used in system, as shown in figure 1, this make it that the interface of controller is exponentially taken, system control are not only caused
Device cost is greatly increased, and worse line causes the actual manufacturing process of system to be difficult to too much.
The content of the invention
To solve the above problems, the application provides a kind of card reading system.
Specifically, the card reading system that the application is provided, including：
Multiple card reader, the card reader includes reading unit and processor unit；The reading unit is used for from label
Label information is read out, the processor unit is used to receive the label information of reading unit reading and sends a data, the number
According to the id information for including label information and the card reader；
Controller, for receiving and handling the data that the processor unit of each card reader is sent；
Wherein, using controller as root node, with tree topology knot between the processor unit in controller, each card reader
Structure is electrically connected.
In a preferred embodiment, the card reader also includes writing unit, wherein the controller is additionally operable to read to each
Card device sends the order comprising information to be written and card reader id information；The processor unit of each card reader is additionally operable to receive
Parsed after the order so that write-in list from the processor unit of the card reader with corresponding card reader ID to the card reader
Member sends information to be written, and writing unit writes corresponding information according to the information to be written received to label.
In a preferred embodiment, carried out between the processor unit in controller, each card reader with tree topology
Electrical connection, includes the electrical connection of power line, ground wire and data wire.
In a preferred embodiment, the card reader includes first interface and second interface, and the first interface includes one
Individual FPDP, second interface also includes a FPDP on FPDP, the processor unit respectively with the
The FPDP of one interface, the FPDP electrical connection of second interface；The first interface and second interface of wherein described card reader
For being electrically connected with the first interface of other card reader, second interface or controller.
In a preferred embodiment, the first interface also includes power line port and ground wire port, the second interface
Yet include the power line of power port respectively with first interface on power line port and ground wire port, the processor unit
The ground of grounding ports respectively with first interface on port, the power line port electrical connection of second interface, the processor unit
The ground wire port electrical connection of line end mouthful, second interface.
In a preferred embodiment, the card reader includes first interface and second interface, and the first interface includes one
Individual FPDP, the FPDP that second interface is also included on a FPDP, the processor unit connects with first
The FPDP electrical connection of mouth, another FPDP of the processor unit is electrically connected with the FPDP of second interface；
The first interface and second interface of wherein described card reader are used for and the first interface of other card reader, second interface or controller
Electrical connection.
In a preferred embodiment, the first interface also includes power line port and ground wire port, the second interface
Yet include the power line of power port respectively with first interface on power line port and ground wire port, the processor unit
The ground of grounding ports respectively with first interface on port, the power line port electrical connection of second interface, the processor unit
The ground wire port electrical connection of line end mouthful, second interface.
In a preferred embodiment, reading unit and processor unit in the card reader are discrete device, or, institute
The reading unit and processor unit stated in card reader are integrated on an integrated circuit.
In a preferred embodiment, reading unit, writing unit and processor unit in the card reader are deviding device
Part, or, the reading unit, writing unit and processor unit in the card reader are integrated on an integrated circuit.
In a preferred embodiment, the card reading system also includes label.
The beneficial effect of the application is：
According to the card reading system of above-mentioned implementation, due to individually inserting a processor unit in each card reader, processing
Device unit is used to carry out the communication with id information with controller so that can be using controller as root node, controller, each Card Reader
It is electrically connected between processor unit in device with tree topology, so that multiple card reader only take up one of controller
FPDP is that communication can be achieved, and not only reduces the port number for taking controller, and line is simple and convenient so that possessed
The manufacture of the card reading system of multiple card reader becomes easy, and the card reading system reliability produced is high.
Brief description of the drawings
Fig. 1 is the structural representation of traditional card reading system；
Fig. 2 (a) is a kind of structural representation of the card reading system of embodiment of the application；
Fig. 2 (b) is the structural representation of the card reading system of another embodiment of the application；
Fig. 3 (a)~(e) illustrates for several exemplary tree topology electrical connections of the card reading system of the application
Figure；
Fig. 4 is a kind of structural representation of the card reader of embodiment of the application；
Fig. 5 is the structural representation of the card reader of another embodiment of the application；
Fig. 6 is a kind of concrete structure schematic diagram of the card reading system of embodiment of the application；
Fig. 7 is the concrete structure schematic diagram of the card reading system of another embodiment of the application；
Fig. 8 is the concrete structure schematic diagram of the card reading system of the application another embodiment.
Embodiment
The application is described in further detail below by embodiment combination accompanying drawing.
Fig. 2 (a) is refer to, this application discloses a kind of card reading system, including controller 100 and multiple card reader 300,
In one embodiment, card reading system can be with label.It is specifically described below.
Card reader 300 includes reading unit 310 and processor unit 330.Reading unit 310 is used for from tag reader bid
Information is signed, processor unit 330 is used to receive the label information of the reading of reading unit 310 and sends a data, and the packet contains
The id information of label information and the card reader 300.In one embodiment, the reading unit 310 and processor in card reader 300
Unit 330 is discrete device；In another embodiment, the reading unit 310 and processor unit 330 in card reader 300 also may be used
An integrated circuit is formed to integrate.
Controller 100 is used to receiving and handling the data that the processor unit 330 of each card reader 300 is sent.
Above-mentioned card reader 300 can only read label information, in one embodiment, and card reader 300 can also have to mark
The function of label write-in information, specifically, refer to Fig. 2 (b) card reader 300 also includes writing unit 350, correspondingly, controller
100 are additionally operable to send the order comprising information to be written and card reader id information to each card reader 300；Each card reader 300
Processor unit 330 is received and parsed after mentioned order so that the processor of the card reader 300 with corresponding card reader ID
Unit 330 sends information to be written to the writing unit 350 of the card reader 300, and writing unit 350 is to be written according to what is received
Information writes corresponding information to label.In one embodiment, in card reader 300 reading unit 310, processor unit 330
It is discrete device with writing unit 350；In another embodiment, in card reader 300 reading unit 310, processor unit 330
It can also integrate to form an integrated circuit with writing unit 350.
The application introduces a processor unit 330 in each card reader 300, and this causes controller 100 and Card Reader
Connection between device 300, can be the processor list in controller 300, each card reader 300 using controller 300 as root node
It is electrically connected between member 330 with tree topology, refer to the several of the card reading system that Fig. 3 (a)~(e) is the application
Exemplary tree topology electrical connection schematic diagram, wherein square frame represents controller 100, and circle represents card reader 300；Need
Illustrate, bus topolopy is a kind of special case of tree topology, shown in such as Fig. 3 (a).Shown in Fig. 3 for the application
Card reading system several exemplary tree topology electrical connection schematic diagrames, in theory, can be in any father node all
Any card reader 300 is drawn as the child node of the father node.In one embodiment, in controller 300, each card reader 300
Processor unit 330 between be electrically connected with tree topology, include the electrical connection of power line, ground wire and data wire.
The card reader 300 of connected mode above is realized, two are attempted below.
Fig. 4 is refer to, in the present example, card reader 300 includes first interface JP1 and second interface JP2, wherein first connects
Mouthful JP1 includes a FPDP 3, a power line port 2 and a ground wire port 1, second interface JP2 also include a FPDP 3,
One power line port 2 and a ground wire port 1.A FPDP on processor unit 330 in the card reader 300 respectively with
First interface JP1 FPDP 3, second interface JP2 FPDP 3 are electrically connected, the processor unit in the card reader 300
Power line port 2, the second interface JP2 power line port 2 of power port respectively with first interface JP1 on 330 is electrically connected,
Grounding ports on processor unit 330 in the card reader 300 ground wire port 1 respectively with first interface JP1, second interface
JP2 ground wire port 1 is electrically connected.The first interface JP1 and second interface JP2 of card reader 300 are used for and other card reader 300
First interface JP1, second interface JP2 or controller 100 are electrically connected.
Fig. 5 is refer to, in another example, card reader 300 also includes first interface JP1 and second interface JP2, wherein
First interface JP1 also includes a FPDP 3, a power line port 2 and a ground wire port 1, and second interface JP2 also includes a number
According to port 3, a power line port 2 and a ground wire port 1.From unlike a upper example, in the card reader of this in this example 300
Processor unit 330 on a FPDP electrically connected with first interface JP1 FPDP 3, the processor unit 330
Another FPDP electrically connected with second interface JP2 FPDP 3；On processor unit 330 in the card reader 300
Power port power line port 2, second interface JP2 power line port 2 respectively with first interface JP1 electrically connect, the reading
Grounding ports on processor unit 330 in card device 300 ground wire port 1 respectively with first interface JP1, second interface JP2
Ground wire port 1 electrically connect.The first interface JP1 and second interface JP2 of card reader 300 are used for the with other card reader 300
One interface JP1, second interface JP2 or controller 100 are electrically connected.
As shown in Fig. 6,7,8, it is electrically connected for several controllers 100, the tree topology between each card reader 300 enumerated
Map interlinking.In Fig. 6, set out with controller 100 for root node, a card reader 300 is connected with the controller 100, is used as the control
The child node of device 100, each only has a card reader 300 as child node as the card reader 300 of father node afterwards.Fig. 7
In, set out with controller 100 for root node, the root node there are three card reader 300 as child node as father node；This
Three card reader 300 as child node, each card reader 300 possesses a card reader 300 respectively as father node again and made
For child node.Then it is the situation for the card reader 300 for possessing multiple child nodes as the card reader 300 of father node in Fig. 8.From Fig. 6
As can be seen that no matter how many child node of each father node, this multiple card reader 300 all only take up controller 100 in~8
A FPDP as communication use, i.e., the use one of controller 100 FPDP can just manage multiple card reader
300。
Communication between controller 100 and each card reader 300 can also have many kinds of methods, specifically, due to card reader
Processor unit 330 is introduced in 300, therefore each card reader 300 can be set or assign a card reader ID, can be with
Easily read or configure the parameter of any card reader 300 and obtain the parameter of card reader 300.
So that card reader 300 is the structure shown in Fig. 4 as an example, when multiple this card reader 300 are opened up with controller 100 with tree-like
Flutter after structure is electrically connected, the FPDP of the processor unit 330 in all card reader 300 is all finally connected by data wire
A FPDP of controller 100 is connected to, data line level can be at one's leisure high level, now be connected with the data wire
The FPDP of controller 100 and the FPDP of the processor unit 330 in each card reader 300 all in high resistant input
State；When controller 100 will send order, then the level that can drag down the above-mentioned FPDP of controller 100 will by data wire
Data are sent to the FPDP of the processor unit 330 in each card reader 300；Any one card reader 300 will be to control
When device 100 transmits data, then the processor unit 330 of the card reader 300 can drag down the FPDP that it is connected with data wire, from
And transfer data to the FPDP being connected in controller 100 with data wire；Certain data line level described above is in sky
Idle can be in high level, it will be understood by those skilled in the art that in turn, data line level can also be set at one's leisure may be used
So that in low level, correspondingly, when data need transmission, then corresponding data port can draw high the level of data wire.In data transmission
During, unique id information of related card reader 300 can be all included, so it is known that being which card reader 300 exists
Data are transmitted to controller 100, or controller 100 is communicated with which card reader 300.
So that card reader 300 is the structure shown in Fig. 5 as an example, when multiple this card reader 300 are opened up with controller 100 with tree-like
Flutter after structure is electrically connected, the processor unit 330 in card reader 300 is due to being applied to two FPDPs, when in communication,
One meeting of the two FPDPs of processor unit 330 is as input port, and another can be as output port, as which
It is individual as input port, which is as output port, and processor unit 330 can be depending on the direction of transfer of data；Processor
Unit 330 is in communication, in addition to reading the data of input port, will also read data simultaneously and be sent out by output port
Go, one biography of data, one ground can just be passed to whole card reader 300, and any one card reader 300 by such controller 100
It is also singly to be transmitted to the card reader 300 as its father node when needing to the transmission data of controller 100, final transmission
Into controller 100.The two FPDPs of the processor unit 330 in phase card reader 300 are input at one's leisure
Mouth is so as to the data on interception data line.
It is exactly above card reading system disclosed in the present application, as described above, traditional technology is straight using a controller
All card reader are connect in succession, but can so take many data-interfaces of controller, and data are required for controller directly to handle,
This requires controller to have many interfaces and processing speed and ability quickly, so that the cost of controller can be caused a large amount of
Increase, and because all card reader are required for being directly connected to controller, this excessive direct line can cause card reader system
The actual manufacturing process of system is difficult to, and reliability is substantially reduced.And the application configures a processor to each card reader
Unit, the processor unit is used for handling the card reader and whole communication works of controller, and realizes to the card reader
Numbering management (i.e. card reader ID management), the mongline two-way communication with controller and the telecommunication management with adjacent card reader, make
Obtain and can be carried out using controller as root node between the processor unit in controller, each card reader with tree topology
Electrical connection, so that communication can be achieved in the FPDP that multiple card reader only take up controller, not only reduces occupancy control
The port number of device processed, and line is simple and convenient so that and possessing the manufacture of the card reading system of multiple card reader becomes easy,
The card reading system reliability produced is high；Further, since being opened up between processor unit in controller, each card reader with tree-like
Flutter structure to be electrically connected, this causes system very flexible in design；Finally, processor unit can be realized with MCU, energy
The MCU of above-mentioned processor unit function is enough realized, its price is also very cheap, so for whole card reading system,
Totle drilling cost does not increase but the reliability increase of product is a lot, achievable function increase is a lot, system is wanted to master controller
Ask and reduce a lot.
Above content is to combine the further description that specific embodiment is made to the application, it is impossible to assert this Shen
Specific implementation please is confined to these explanations.For the application person of an ordinary skill in the technical field, do not taking off
On the premise of from the present application design, some simple deduction or replace can also be made.
Claims (10)
1. a kind of card reading system, it is characterised in that including：
Multiple card reader, the card reader includes reading unit and processor unit；The reading unit is used for from tag reader
Outgoing label information, the processor unit is used to receive the label information of reading unit reading and sends a data, the packet
Id information containing label information and the card reader；
Controller, for receiving and handling the data that the processor unit of each card reader is sent；
Wherein, using controller as root node, entered between the processor unit in controller, each card reader with tree topology
Row electrical connection.
2. card reading system as claimed in claim 1, it is characterised in that the card reader also includes writing unit, wherein institute
Controller is stated to be additionally operable to send the order comprising information to be written and card reader id information to each card reader；The place of each card reader
Reason device unit is additionally operable to be parsed after receiving the order so that the processor list of the card reader with corresponding card reader ID
Member sends information to be written to the writing unit of the card reader, and writing unit writes according to the information to be written received to label
Corresponding information.
3. card reading system as claimed in claim 1, it is characterised in that processor unit in controller, each card reader it
Between be electrically connected with tree topology, include the electrical connection of power line, ground wire and data wire.
4. card reading system as claimed in claim 3, it is characterised in that the card reader connects including first interface and second
Mouthful, the first interface includes a FPDP, and second interface also includes on a FPDP, the processor unit
FPDP, the FPDP of second interface of one FPDP respectively with first interface are electrically connected；Wherein described card reader
First interface and second interface be used for electrically connected with the first interface of other card reader, second interface or controller.
5. card reading system as claimed in claim 4, it is characterised in that the first interface also includes power line port and ground
Line end mouthful, the second interface yet includes the power port point on power line port and ground wire port, the processor unit
The power line port of power line port, second interface not with first interface is electrically connected, the earth terminal on the processor unit
Ground wire port, the ground wire port of second interface of mouth respectively with first interface are electrically connected.
6. card reading system as claimed in claim 3, it is characterised in that the card reader connects including first interface and second
Mouthful, the first interface includes a FPDP, and second interface also includes on a FPDP, the processor unit
One FPDP is electrically connected with the FPDP of first interface, and another FPDP of the processor unit connects with second
The FPDP electrical connection of mouth；The first interface and second interface of wherein described card reader are used to connect with the first of other card reader
Mouth, second interface or controller electrical connection.
7. card reading system as claimed in claim 6, it is characterised in that the first interface also include power line port and
Ground wire port, the second interface yet includes the power port on power line port and ground wire port, the processor unit
Power line port, the power line port of second interface respectively with first interface is electrically connected, the ground connection on the processor unit
Ground wire port, the ground wire port of second interface of port respectively with first interface are electrically connected.
8. card reading system as claimed in claim 1, it is characterised in that reading unit and processor list in the card reader
Member is discrete device, or, the reading unit and processor unit in the card reader are integrated on an integrated circuit.
9. card reading system as claimed in claim 2, it is characterised in that reading unit, writing unit in the card reader
It is discrete device with processor unit, or, reading unit, writing unit and processor unit in the card reader are integrated in
On one integrated circuit.
10. card reading system as claimed in any one of claims 1-9 wherein, it is characterised in that also including label.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621208026.6U CN206378879U (en) | 2016-11-09 | 2016-11-09 | A kind of card reading system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621208026.6U CN206378879U (en) | 2016-11-09 | 2016-11-09 | A kind of card reading system |
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| CN206378879U true CN206378879U (en) | 2017-08-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108062580A (en) * | 2016-11-09 | 2018-05-22 | 深圳市康柏特科技开发有限公司 | A kind of card reading system |
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- 2016-11-09 CN CN201621208026.6U patent/CN206378879U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108062580A (en) * | 2016-11-09 | 2018-05-22 | 深圳市康柏特科技开发有限公司 | A kind of card reading system |
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