CN206039548U - Novel ID card identification module - Google Patents
Novel ID card identification module Download PDFInfo
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- CN206039548U CN206039548U CN201620700176.2U CN201620700176U CN206039548U CN 206039548 U CN206039548 U CN 206039548U CN 201620700176 U CN201620700176 U CN 201620700176U CN 206039548 U CN206039548 U CN 206039548U
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- antenna
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- rfid
- identification module
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Abstract
The utility model discloses a novel ID card identification module divides ware, shield to form by alternating current power supply, constant voltage power supply, industrial computer, a RF chips, the 2nd RF chips, adjustable power amplifier, converting circuit board, an emit antenna, the 2nd emit antenna, a receiving antenna, the 2nd receiving antenna, merit. The utility model relates to a novel ID card identification module has adopted more the large size antenna, can two take the place ofs ID card of long distance identify, reach the quick discernment of the different angles of two take the place ofs ID cards with different position through the setting to the antenna.
Description
Technical field
The utility model is related to a kind of identity card identification module, more particularly to a kind of remote, two generations without fixed angle
Identity card identification module.
Background technology
China second-generation identity card is a kind of contactless smart card based on REID, and which follows ISO14443TYPE B classes
Type agreement, is modulated using the ASK of 8%-14%, is applied to near-field communication, and theoretical reading distance is less than 10cm.China second-generation identity card
In reader/identifier, topmost part is antenna, and the antenna of prior art is loop aerial mostly, due to loop aerial
Electromagnetic field in its close region skewness, therefore occur read-write blind area.By electronic tag putting position go to most
When best placement is into 40 ° of angular zones, typically can normal read-write operation, fixed angle identification increased identification difficulty.
In prior art with regard to identity card identification technical scheme mostly be closely, fixed angle identification.
Chinese patent CN104408450A discloses a kind of identity card recognition method, apparatus and system, by collection
ID Card Image carries out image cutting process, binary conversion treatment and further Text region and processes, and automatically can extract
Useful identity information, such that it is able to reduce manual intervention, improves the efficiency of ID card information collection.The patent adopts OCR skills
Art carries out process identification to ID Card Image, although reaches the purpose for expanding identification distance, but does not give full play to China second-generation identity card
The advantage of contactless quick identification, is also not reaching to different angles and all discernible purpose of different azimuth.
Chinese patent CN105469007A discloses a kind of smart identity cards reader, realizes to No.2 residence card
Identification function, have the advantages that the second generation resident body card effectively recognize distant, stand-by time length, TF cards can be loaded,
But the patent is not disclosed the data of identification distance, according to the technical scheme of the patent, those skilled in the art also can determine whether out which is right
Identity card carries out portable improvement and core identification component is not improved, and does not extend the identification to identity card in prior art
Distance.
Utility model content
For overcoming the defect of prior art, remote, multi-angle identification China second-generation identity card, the utility model is solved the problems, such as
Purpose be to provide a kind of new identity card identification module, by AC power, voltage-stabilized power supply, industrial computer, the first radio frequency chip,
Two radio frequency chips, adjustable power amplifier, change-over circuit plate, the first transmitting antenna, the second transmitting antenna, first receive day
Line, the second reception antenna, power splitter, shield composition.
The AC power is 220V alternating currents.
The voltage-stabilized power supply is D.C. regulated power supply, and the voltage-stabilized power supply is connected with the AC power.
The core of the industrial computer is main control MCU, is provided with SPI serial line interfaces and USB interface on the industrial computer.It is described
Main control MCU is connected with the first radio frequency chip, the second radio frequency chip respectively by the SPI serial line interfaces, is realized and rfid card
Communication.The main control MCU is connected with outside MCU by SPI serial line interfaces.The USB interface is USB3.0 or USB3.1, is transmitted
Speed is more than 5.0Gb/s.
First radio frequency chip is rfid card card reading module, and second radio frequency chip is that rfid card signal receives mould
Block.
The adjustable power amplifier is connected with voltage-stabilized power supply, is provided with power adjusting button.The adjustable power is put
The power adjusting button of big device is provided with 2 gears, respectively 3W and 6W.Further, the work(of the adjustable power amplifier
Rate adjusting knob is provided with 5 gears, is 2.5W, 5W, 7.5W, 10W, 12.5W respectively.
One end of the change-over circuit plate is connected with power amplifier, and other end is launched with the first transmitting antenna and second
Antenna connects.
First transmitting antenna and the second transmitting antenna, i.e. RFID antenna, are made up of coil, and the coil is 1～5
Circle, the magnetic flux that first radio frequency chip will be produced with the second transmitting antenna by first transmitting antenna are carried for rfid card
Power supply source, obtains information from rfid card.First transmitting antenna matches electricity with the coil of the second transmitting antenna by passive
Road connects the antenna leads of first radio frequency chip.
Further, the coil number is 2～4 circles, and further, the coil number is 3 circles.
The external diameter of the RFID antenna is 50～100 × 50～100cm.The first of the outside dimension of the RFID antenna is excellent
Scheme is selected for 50 × 50cm, the second preferred version of the outside dimension of the RFID antenna is 80 × 60cm, the RFID antenna
Outside dimension the 3rd preferred version be 82 × 62cm.
First reception antenna and the second reception antenna have RX signal monitor functions, can receive the letter of rfid card feedback
Number.Further, the external diameter of first reception antenna and the second reception antenna is 15～30 × 30～60cm.
The power splitter connects first reception antenna, second reception antenna and the second radio frequency core respectively
Piece.
The shield is electromagnetically shielded to first transmitting antenna and the second transmitting antenna, by aluminium and bakelite material
Constitute, the aluminium is 5mm with the thickness of bakelite.
The new identity card identification module that the utility model is related to, employs the antenna of large-size, can know at a distance
Other China second-generation identity card, the antenna for employing multi-quantity arrange the quick knowledge reached to China second-generation identity card difference angle and different azimuth
Not.
Description of the drawings
Fig. 1 is radio frequency identification module schematic diagram of the present utility model.
Fig. 2 is radio frequency identification module antenna arrangement figure of the present utility model.
Wherein, the meaning that label is represented in figure is as follows：
1st, AC power, 2, voltage-stabilized power supply, 3, industrial computer, the 4, first radio frequency chip, the 41, second radio frequency chip, 5, adjustable
Formula power amplifier, 51, power adjusting button, 6, change-over circuit plate, the 7, first transmitting antenna, the 71, second transmitting antenna, 8, first
Reception antenna, the 81, second reception antenna, 9, power splitter.
Specific embodiment
Below by specific embodiment, further the technical solution of the utility model is specifically described.It should be understood that
The following examples are intended only as illustrating, and do not limit scope of the present utility model, while those skilled in the art's root
Within the scope of the obvious change and modification made according to the utility model is also contained in the utility model.
Embodiment 1
As shown in figure 1, a kind of new identity card identification module, is penetrated by AC power 1, voltage-stabilized power supply 2, industrial computer 3, first
Frequency chip 4, the second radio frequency chip 41, adjustable power amplifier 5, change-over circuit plate 6, the first transmitting antenna 7, second launch day
Line 71, the first reception antenna 8, the second reception antenna 81, power splitter 9, shield (not shown) composition.
The AC power 1 is 220V alternating currents.The voltage-stabilized power supply 2 is D.C. regulated power supply, the voltage-stabilized power supply 2 with
The AC power 1 connects.The core of the industrial computer 3 be main control MCU, be provided with the industrial computer 3 SPI serial line interfaces and
USB interface.The main control MCU is connected with the first radio frequency chip 4, the second radio frequency chip 42 respectively by the SPI serial line interfaces,
Realize the communication with rfid card.The main control MCU is connected with outside MCU by SPI serial line interfaces.The USB interface is
USB3.0 or USB3.1, transmission speed are more than 5.0Gb/s.
First radio frequency chip is rfid card card reading module, and second radio frequency chip is that rfid card signal receives mould
Block.
The adjustable power amplifier 5 is connected with voltage-stabilized power supply 2, is provided with power adjusting button 51.The adjustable work(
The power adjusting button 51 of rate amplifier 2 is provided with 2 gears, respectively 3W and 6W.
One end of the change-over circuit plate 6 is connected with power amplifier 5, other end and the first transmitting antenna 7 and second
Transmitting antenna 71 connects.First transmitting antenna 7 and the second transmitting antenna 71, i.e. RFID antenna, are made up of coil, the line
Enclose the magnetic flux that will be produced by first transmitting antenna 7 and the second transmitting antenna 71 for 1～5 circle, first radio frequency chip 4
Measure and power supply is provided for rfid card, obtain information from rfid card.The coil of first transmitting antenna 7 and the second transmitting antenna 72 leads to
Cross the antenna leads that passive match circuit connects first radio frequency chip 4.The external diameter of the RFID antenna be 50～100 ×
50～100cm.First reception antenna 8 and the second reception antenna 81 have RX signal monitor functions, can receive rfid card anti-
The signal of feedback.The external diameter of first reception antenna 8 and the second reception antenna 81 is 15～30 × 30～60cm.
The power splitter 9 connects first reception antenna 8, second reception antenna 81 and second radio frequency respectively
Chip 41.The shield is electromagnetically shielded to first transmitting antenna 7 and the second transmitting antenna 71, by aluminium and bakelite material
Quality structure is into the aluminium is 5mm with the thickness of bakelite.
Embodiment 2
A kind of new identity card identification module, by AC power 1, voltage-stabilized power supply 2, industrial computer 3, the first radio frequency chip 4,
Two radio frequency chips 41, adjustable power amplifier 5, change-over circuit plate 6, the first transmitting antenna 7, the second transmitting antenna 71, first
Reception antenna 8, the second reception antenna 81, power splitter 9, shield (not shown) composition.
The AC power 1 is 220V alternating currents.The voltage-stabilized power supply 2 is D.C. regulated power supply, the voltage-stabilized power supply 2 with
The AC power 1 connects.The core of the industrial computer 3 be main control MCU, be provided with the industrial computer 3 SPI serial line interfaces and
USB interface.The main control MCU is connected with the first radio frequency chip 4, the second radio frequency chip 42 respectively by the SPI serial line interfaces,
Realize the communication with rfid card.The main control MCU is connected with outside MCU by SPI serial line interfaces.The USB interface is
USB3.0 or USB3.1, transmission speed are more than 5.0Gb/s.First radio frequency chip be rfid card card reading module, described second
Radio frequency chip is rfid card signal receiving module.
The adjustable power amplifier 5 is connected with voltage-stabilized power supply 2, is provided with power adjusting button 51.The adjustable work(
The power adjusting button 51 of rate amplifier 5 is provided with 5 gears, is 2.5W, 5W, 7.5W, 10W, 12.5W respectively.The conversion electricity
One end of road plate 6 is connected with power amplifier 5, and other end is connected with the first transmitting antenna 7 and the second transmitting antenna 71.It is described
First transmitting antenna 7 and the second transmitting antenna 71, i.e. RFID antenna, are made up of coil, and the coil is 2～4 circles.Described first
Radio frequency chip 4 will pass through first transmitting antenna 7 and the magnetic flux of the generation of the second transmitting antenna 71 provides power supply for rfid card,
Information is obtained from rfid card.The coil of first transmitting antenna 7 and the second transmitting antenna 72 is connected by passive match circuit
Connect the antenna leads of first radio frequency chip 4.
First reception antenna 8 and the second reception antenna 81 have RX signal monitor functions, can receive rfid card feedback
Signal.The external diameter of first reception antenna 8 and the second reception antenna 81 is 15～30 × 30～60cm.The power splitter
9 connect first reception antenna 8, second reception antenna 81 and second radio frequency chip 41 respectively.The shield
First transmitting antenna 7 and the second transmitting antenna 71 are electromagnetically shielded, are made up of aluminium and bakelite material, the aluminium with electricity
The thickness of wood is 5mm.The external diameter of the RFID antenna is 80 × 60cm, or 80 × 60cm, or 82 × 62cm.
Claims (8)
1. a kind of new identity card identification module, it is characterised in that：By AC power, voltage-stabilized power supply, industrial computer, the first radio frequency core
Piece, the second radio frequency chip, adjustable power amplifier, change-over circuit plate, the first transmitting antenna, the second transmitting antenna, first connect
Receive antenna, the second reception antenna, power splitter, shield composition；
The AC power is 220V alternating currents；
The voltage-stabilized power supply is D.C. regulated power supply, and the voltage-stabilized power supply is connected with the AC power；
The core of the industrial computer is main control MCU, is provided with SPI serial line interfaces and USB interface on the industrial computer；The master control
MCU is connected with the first radio frequency chip, the second radio frequency chip respectively by the SPI serial line interfaces, realizes the communication with rfid card；
The main control MCU is connected with outside MCU by SPI serial line interfaces；The USB interface be USB3.0 or USB3.1, transmission speed
More than 5.0Gb/s；
First radio frequency chip is rfid card card reading module, and second radio frequency chip is rfid card signal receiving module；
The adjustable power amplifier is connected with voltage-stabilized power supply, is provided with power adjusting button；The adjustable power amplifier
Power adjusting button be provided with 2 gears, respectively 3W and 6W；
One end of the change-over circuit plate is connected with power amplifier, other end and the first transmitting antenna and the second transmitting antenna
Connection；
First transmitting antenna and the second transmitting antenna, i.e. RFID antenna, are made up of coil, and the coil is 1～5 circle, institute
State the first radio frequency chip electricity will be provided by the magnetic flux of first transmitting antenna and the generation of the second transmitting antenna for rfid card
Source, obtains information from rfid card；The coil of first transmitting antenna and the second transmitting antenna is connected by passive match circuit
Connect the antenna leads of first radio frequency chip；
The external diameter of the RFID antenna is 50～100 × 50～100cm；
The power splitter connects first reception antenna, second reception antenna and second radio frequency chip respectively；
The shield is electromagnetically shielded to first transmitting antenna and the second transmitting antenna, by aluminium and bakelite material structure
Into the aluminium is 5mm with the thickness of bakelite.
2. a kind of new identity card identification module according to claim 1, it is characterised in that：The adjustable power amplification
The power adjusting button of device is provided with 5 gears, is 2.5W, 5W, 7.5W, 10W, 12.5W respectively.
3. a kind of new identity card identification module according to claim 1, it is characterised in that：The RFID antenna coil number
For 2～4 circles.
4. a kind of new identity card identification module according to claim 2, it is characterised in that：The RFID antenna coil number
For 3 circles.
5. a kind of new identity card identification module according to claim 1, it is characterised in that：The external diameter of the RFID antenna
Size is 50 × 50cm.
6. a kind of new identity card identification module according to claim 1, it is characterised in that：The external diameter of the RFID antenna
Size is 80 × 60cm.
7. a kind of new identity card identification module according to claim 1, it is characterised in that：The external diameter of the RFID antenna
Size is 82 × 62cm.
8. a kind of new identity card identification module according to claim 1, it is characterised in that：First reception antenna and
The external diameter of the second reception antenna is 15～30 × 30～60cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620700176.2U CN206039548U (en) | 2016-07-01 | 2016-07-01 | Novel ID card identification module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620700176.2U CN206039548U (en) | 2016-07-01 | 2016-07-01 | Novel ID card identification module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206039548U true CN206039548U (en) | 2017-03-22 |
Family
ID=58310478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620700176.2U Active CN206039548U (en) | 2016-07-01 | 2016-07-01 | Novel ID card identification module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206039548U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107729784A (en) * | 2017-09-27 | 2018-02-23 | 北京市振隆科技股份有限公司 | Multi-band frequency multi-protocol power adjustable RFID reader and its reading/writing method |
| CN107966742A (en) * | 2017-12-26 | 2018-04-27 | 深圳市雄帝科技股份有限公司 | Hand-held safety check apparatus and safe examination system |
| CN109241796A (en) * | 2018-08-01 | 2019-01-18 | 中国航空工业集团公司雷华电子技术研究所 | Identity card information acquisition device, identifying system, door body |
-
2016
- 2016-07-01 CN CN201620700176.2U patent/CN206039548U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107729784A (en) * | 2017-09-27 | 2018-02-23 | 北京市振隆科技股份有限公司 | Multi-band frequency multi-protocol power adjustable RFID reader and its reading/writing method |
| CN107966742A (en) * | 2017-12-26 | 2018-04-27 | 深圳市雄帝科技股份有限公司 | Hand-held safety check apparatus and safe examination system |
| CN109241796A (en) * | 2018-08-01 | 2019-01-18 | 中国航空工业集团公司雷华电子技术研究所 | Identity card information acquisition device, identifying system, door body |
| CN109241796B (en) * | 2018-08-01 | 2022-02-22 | 中国航空工业集团公司雷华电子技术研究所 | Identity card information acquisition device, identification system and door body |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |