CN206388189U - A kind of radio-frequency card reader circuit - Google Patents
A kind of radio-frequency card reader circuit Download PDFInfo
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- CN206388189U CN206388189U CN201720026687.5U CN201720026687U CN206388189U CN 206388189 U CN206388189 U CN 206388189U CN 201720026687 U CN201720026687 U CN 201720026687U CN 206388189 U CN206388189 U CN 206388189U
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Abstract
The utility model discloses a kind of radio-frequency card reader circuit, apply the Tea planting stage, the harvesting stage, the process segment acquisition of information, including control module, radio-frequency module and Anneta module, communicated to connect between the control module and radio-frequency module, the radio-frequency module sends the signal to Anneta module by drive circuit, the signal that Anneta module is received is accessed by match circuit, tea products relevant information is correctly recognized, recorded faithfully and effectively transmitted, tea quality tracking is set up with reviewing system.
Description
Technical field
The utility model is related to Tea Production management and radio-frequency information application field, more particularly to a kind of radio-frequency card reader
Circuit.
Background technology
In recent years, because quality and safety of tea crisis frequently occurs, the extensive concern of consumer is caused, how to tealeaves
Quality safety carries out effectively tracking and monitoring, sets up Tea Production traceability system, it has also become a problem urgently to be resolved hurrily.
Tea products from production to during the entire process of last consumptive link, it is necessary to by plantation, harvesting, processing, storage,
In multiple stages such as sale, the hidden danger of influence quality and safety of tea is directed in these links, therefore, to the pass in links
Key information extracted, store and follow-up reading is all vital for the tracking of Tea Production link.
Lack the information record from production to consumptive link to tealeaves in the prior art, therefore, once there is tea quality
Problem, is just difficult to the link gone wrong is positioned and followed the trail of.
Utility model content
Utility model purpose：In order to solve the deficiencies in the prior art, the utility model provides a kind of radio-frequency card reader electricity
Road, the information to tealeaves from production to consumptive link is extracted and stored, and the production matter to tealeaves is realized using radio-frequency information
Buret is managed.
Technical scheme：In order to solve the above technical problems, the utility model to tealeaves information when extracting, there is provided one kind
Radio-frequency card reader circuit, including：Control module, radio-frequency module and Anneta module, the radio-frequency module will be believed by drive circuit
Number send to Anneta module, pass through match circuit and access the signal that Anneta module is received.
Wherein, the control module uses AT89S52 single-chip microcomputers, and the radio-frequency module uses MF RC522 radio frequency chips.
Specifically, the drive circuit includes inductance L1, inductance L2, electric capacity C1 and electric capacity C2；Inductance L1 first end connects
Connect TX1 pins, inductance L1 the second end connection electric capacity C1 first end, electric capacity C1 the second end on the one hand connection electric capacity C2 the
Two ends and Anneta module, are on the other hand grounded；Inductance L2 first end connection TX2 pins, the first of the second end connection electric capacity C2
On the one hand end, electric capacity C2 the second end connects electric capacity C1 the second end and Anneta module, is on the other hand grounded；The match circuit
Including electric capacity C3, electric capacity C4, electric capacity C5, electric capacity C6, electric capacity C7, electric capacity C8；The second of electric capacity C3 first end connection inductance L1
End, electric capacity C3 the second end connection electric capacity C5 first end and electric capacity C7 first end；On the one hand electric capacity C5 the second end connects
Electric capacity C6 the second end and Anneta module, are on the other hand grounded；On the one hand electric capacity C7 the second end connects electric capacity C8 the second end
And Anneta module, on the other hand it is grounded；Electric capacity C4 first end connection inductance L2 the second end, the of the second end connection electric capacity C6
One end and electric capacity C8 first end；On the one hand electric capacity C6 the second end connects electric capacity C5 the second end and Anneta module, the opposing party
Face is grounded；On the one hand electric capacity C8 the second end connects electric capacity C7 the second end and Anneta module, is on the other hand grounded.
Further, the RX pins of MF RC522 radio frequency chips are also connected with resistance R2 first end, and resistance R2 the second end connects
Connect electric capacity C9 first end, electric capacity C9 the second end connection electric capacity C7 first end；On the one hand VMID pins are connect by electric capacity C10
The first end on ground, on the other hand connection resistance R1, resistance R1 the second end connection resistance R2 first end.
Beneficial effect：The utility model proposes a kind of radio-frequency card reader circuit, apply in Tea planting stage, harvesting rank
Section, the acquisition of information in process segment, are correctly recognized to tea products relevant information, recorded faithfully and are effectively transmitted, and are set up
Tea quality tracks and reviews system, benefit is provided for tea grower, consumer and society, to stablizing sales of tea market, it is ensured that
It is all significant with tea quality is stablized.
Brief description of the drawings
Fig. 1 is the flow chart of tealeaves source tracing method of the utility model based on radio-frequency information；
Fig. 2 is acquired information schematic diagram in tealeaves source tracing method of the utility model based on radio-frequency information；
Fig. 3 is the circuit diagram of radio-frequency card reader in the utility model.
Embodiment
The utility model is described in further detail with reference to embodiment.
As illustrated in fig. 1 and 2, tea products from production into last consumptive link whole process, it is necessary to by plantation,
Multiple stages such as harvesting, processing, storage, sale.The utility model sets corresponding label to be identified in each stage, mark
The production information for knowing the plantation stage, the harvesting information for plucking the stage, the machining information in process segment, the storage information in stage of storing in a warehouse
With the logistics information of sales stage, using the stage of plucking as root node, the process segment, the storage stage was to process rank as its child node
Section is father node, the like, new link does the child node of a link, forms the tree of tracing to the source of tealeaves, by being marked to each stage
The encoding and decoding of label, can just be expressed as to whole traversal of tree of tracing to the source from the tracking of the tea products in upstream to downstream, and from downstream
Tea products to upstream, which are reviewed, can be expressed as from product information place child node to the path of root node, so, once
There are quality problems in tealeaves, and just problem link can be positioned.
Specifically, the tealeaves source tracing method based on radio-frequency information in the utility model, comprises the following steps：
(1) in the production phase, the local client for being arranged on tea place obtains tea place essential information and production information and sent
To server end, server end creates production information table according to tea place essential information, and stores production information.
Production information includes tea grower's information and work information, and every tea place workman has unique mark oneself identity
Radio-frequency card, when going to the tea place to work every time, the identity information that radio-frequency card reader reads tea place workman is tea grower's information, and sends this to
Ground client, is easy to authentication；Information of working is the production management in the production phase to tealeaves, for example：Tealeaves is sprayed
Pesticide variety and time, the time applied fertilizer to tealeaves and waste material species.
Tea place essential information is the mark of tea place position, for example：The * blocks in * tea places, server end is receiving this
After the tea place essential information that ground client is sent, first judge whether there is the plot sequence number in production information table, if in the presence of,
Production information then is stored in relevant position, if being not present, the plot is created in production information table, is then deposited in relevant position
Store up production information.
(2) in the harvesting stage, the local client for being arranged on tea place obtains tea place essential information and harvesting information and sent
To server end, server end transfers corresponding production information according to tea place essential information, and is tealeaves point according to harvesting information
It is identified with harvesting bar code.
Harvesting information includes harvesting batch, plucking time and the tea grower of the harvesting information of tealeaves, and server end is received locally
After the tea place essential information that client is sent, the corresponding production information in the tea place in production information table is transferred, then production is believed
Cease and harvesting information merges storage, and generate bar code and be sent to local client, local client is carried out to bar code
Printing, and be attached on picking bag.
(3) in the process segment, the local client for being arranged on the stage reads bar code on picking bag first, and by bar
Shape code is numbered and machining information is sent to server end, and server end finds corresponding production information according to bar code number and adopted
Information is plucked, and production information, harvesting information and machining information are generated into processing bar code again, the local of process segment is sent to
Client carries out printing stickup.
Machining information includes the contents such as processor's information, rapidoprint and work flow, and every tea place workman has one
The radio-frequency card of unique mark oneself identity, can be obtained by radio-frequency card reader, and rapidoprint and work flow can be with
Obtained in local client by way of input.When tealeaves enters processing and packing link, the local of process segment is arranged on
Harvesting bar code on client scan picking bag is simultaneously sent to server end, after received server-side to bar code information, transfers
Corresponding production information and harvesting information；The local client acquisition machining information for being arranged on the process segment is sent to server
End, server end merges the new bar code of generation to information and feeds back to local client.
(4) in the storage stage, it is arranged on the local client in the stage and reads the bar code on strap and letter of storing in a warehouse
Cease and be sent to server end, server end gets corresponding production information, harvesting information and processing according to processing bar code
Information, these information is merged again with storage information generation warehouse bar code, when product warehouse-out, is sent to local visitor
Family end carries out printing stickup.
Storage information includes warehouse information, the temperature and humidity in warehouse and goes out entry time, and these information can
By being obtained in local client input.
(5) in the sales stage, the local client for being arranged on the stage scans the warehouse bar code of tealeaves, and logistics is believed
Breath is sent to server end, server end according to warehouse bar code find corresponding production information, harvesting information, machining information and
Storage information, the information Quick Response Code of tracing to the source for being then combined with logistics information generation tealeaves completes to record the information of tealeaves, server
End storage this trace to the source and information Quick Response Code and be sent to local client.
The tea in stage and harvesting stage is for example planted come the information for the personnel of reading by radio-frequency card reader in the utility model
Agriculture information, and the process segment processor's information etc., as shown in figure 3, the radio-frequency card reader includes control module, radio-frequency module
And Anneta module, wherein control module is using microprocessor AT89S52 single-chip microcomputers, and radio-frequency module uses radio frequency chip MF
RC522.Card reader major function is communicated with radio-frequency card, reads the identity information in radio-frequency card, related to tea picking
The collection for information of tracing to the source.
AT89S52 is a kind of low-power consumption, the 8-digit microcontroller of high-performance CMOS 8, and AD [7 ... 0] is 8 bi-directional address and data
Bus, IRQ is interrupt requests output interrupt event request signal, and RESET is to reset to restart.AT89S52 single-chip microcomputers control MF
RC522 driving antennas are written and read operation to radio-frequency card, are then communicated with the local client of respective stage, transmit data to this
Ground client.
MF RC522 are the contactless read-write card chip of a low-voltage, low cost, small volume that are NXP companies, its
VMID pins connection analog power is powered, and there is provided 13.56MHz energy for TX1 pins and TX2 pins connection antenna drive circuit
Carrier wave, RX pins connection antenna input signal, MF RC522 contactless antenna interface uses this 4 pins, MF RC522
Drive part is powered using independent power supply.
In signal transmission unit point, in order to drive antenna, MF RC522 provide 13.56MHz by TXl interfaces and TX2 interfaces
Energy carrier wave, be modulated according to the setting of register to sending data and obtain the signal to be sent.
Card reader radio-frequency module is by 13.56MHz carrier energy signals by being connected to the drive circuits of TX1 and TX2 pins
Send to Anneta module E1, wireless signal is received by being connected to the match circuits of RX pins from Anneta module E1；Drive circuit
Including inductance L1, inductance L2, electric capacity C1 and electric capacity C2, match circuit includes electric capacity C3, electric capacity C4, electric capacity C5, electric capacity C6, electric capacity
C7, electric capacity C8, inductance L1 first end connection TX1 pins, the second end connection electric capacity C1 first end, electric capacity C1 the second end one
Aspect connection electric capacity C2 the second end and Anneta module E1, are on the other hand grounded；Inductance L2 first end connection TX2 pins, the
On the one hand two ends connection electric capacity C2 first end, electric capacity C2 the second end connects electric capacity C1 the second end and Anneta module E1, separately
On the one hand it is grounded；Electric capacity C3 first end connection inductance L1 the second end, electric capacity C3 the second end connection electric capacity C5 first end
With electric capacity C7 first end；On the one hand electric capacity C5 the second end connects electric capacity C6 the second end and Anneta module E1, on the other hand
Ground connection；On the one hand electric capacity C7 the second end connects electric capacity C8 the second end and Anneta module E1, is on the other hand grounded；Electric capacity C4's
First end connection inductance L2 the second end, the second end connection electric capacity C6 first end and electric capacity C8 first end；The of electric capacity C6
On the one hand two ends connect electric capacity C5 the second end and Anneta module E1, are on the other hand grounded；On the one hand electric capacity C8 the second end connects
Electric capacity C7 the second end and Anneta module E1 is met, is on the other hand grounded.
In the receiving portion of signal, the DC input voitage of RX pins is stablized by electric capacity C10 and resistance R1 in VMID, its
AC-input voltage can be adjusted by resistance R2 and electric capacity C9, electric capacity C10 first end connection VMID pins, electric capacity C10's
Second end is grounded；Resistance R1 first end connection VMID pins, resistance R1 the second end connection resistance R2 first end；Resistance R2
First end be also connected with RX pins, resistance R2 the second end connection electric capacity C9 first end, electric capacity C9 the second end connection electric capacity
C7 first end.
Radio-frequency card is responded using the load modulation of RF, and the signal of antenna pickup is sent to by the match circuit of antenna
RX pins, MF RC522 internal receipt device is detected and demodulated to signal and is set for processing according to register, so
Data are sent to parallel interface afterwards, are read out by AT89S52.
It the above is only preferred embodiment of the present utility model, it should be pointed out that implement row above and the utility model is not constituted
Limit, relevant staff in the range of without departing from the utility model technological thought, carried out it is various change and modifications,
Fall in protection domain of the present utility model.
Claims (4)
1. a kind of radio-frequency card reader circuit, it is characterised in that the circuit includes：Control module, radio-frequency module and Anneta module, institute
State and communicated to connect between control module and radio-frequency module, the radio-frequency module sends the signal to antenna mould by drive circuit
Block, the signal that Anneta module is received is accessed by match circuit.
2. radio-frequency card reader circuit according to claim 1, it is characterised in that the control module is mono- using AT89S52
Piece machine, the radio-frequency module uses MF RC522 radio frequency chips.
3. radio-frequency card reader circuit according to claim 2, it is characterised in that the drive circuit includes inductance L1, electricity
Feel L2, electric capacity C1 and electric capacity C2；Inductance L1 first end connection TX1 pins, the first of inductance L1 the second end connection electric capacity C1
On the one hand end, electric capacity C1 the second end connects electric capacity C2 the second end and Anneta module, is on the other hand grounded；The first of inductance L2
On the one hand end connection TX2 pins, the second end connection electric capacity C2 first end, electric capacity C2 the second end connects electric capacity C1 the second end
And Anneta module, on the other hand it is grounded；The match circuit includes electric capacity C3, electric capacity C4, electric capacity C5, electric capacity C6, electric capacity C7, electricity
Hold C8；Electric capacity C3 first end connection inductance L1 the second end, electric capacity C3 the second end connection electric capacity C5 first end and electric capacity
C7 first end；On the one hand electric capacity C5 the second end connects electric capacity C6 the second end and Anneta module, is on the other hand grounded；Electric capacity
On the one hand C7 the second end connects electric capacity C8 the second end and Anneta module, is on the other hand grounded；Electric capacity C4 first end connection
Inductance L2 the second end, the second end connection electric capacity C6 first end and electric capacity C8 first end；Electric capacity C6 the second end is on the one hand
Electric capacity C5 the second end and Anneta module is connected, is on the other hand grounded；Electric capacity C8 the second end on the one hand connection electric capacity C7 the
Two ends and Anneta module, are on the other hand grounded.
4. radio-frequency card reader circuit according to claim 3, it is characterised in that the RX pins of MF RC522 radio frequency chips are also
Connect resistance R2 first end, resistance R2 the second end connection electric capacity C9 first end, electric capacity C9 the second end connection electric capacity C7
First end；On the one hand VMID pins are grounded by electric capacity C10, on the other hand connection resistance R1 first end, and the of resistance R1
Two ends connection resistance R2 first end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720026687.5U CN206388189U (en) | 2017-01-11 | 2017-01-11 | A kind of radio-frequency card reader circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720026687.5U CN206388189U (en) | 2017-01-11 | 2017-01-11 | A kind of radio-frequency card reader circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206388189U true CN206388189U (en) | 2017-08-08 |
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ID=59493244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720026687.5U Expired - Fee Related CN206388189U (en) | 2017-01-11 | 2017-01-11 | A kind of radio-frequency card reader circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206388189U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110991197A (en) * | 2019-12-02 | 2020-04-10 | 浙江中新电力工程建设有限公司自动化分公司 | Epitope recognition method of smart meter box based on NFC electronic tag |
-
2017
- 2017-01-11 CN CN201720026687.5U patent/CN206388189U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110991197A (en) * | 2019-12-02 | 2020-04-10 | 浙江中新电力工程建设有限公司自动化分公司 | Epitope recognition method of smart meter box based on NFC electronic tag |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20170808 Termination date: 20190111 |