CN207489022U - A kind of Contact Type Ic Card card reader - Google Patents
A kind of Contact Type Ic Card card reader Download PDFInfo
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- CN207489022U CN207489022U CN201721771546.2U CN201721771546U CN207489022U CN 207489022 U CN207489022 U CN 207489022U CN 201721771546 U CN201721771546 U CN 201721771546U CN 207489022 U CN207489022 U CN 207489022U
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- interface
- card
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- card reader
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Abstract
The utility model provides a kind of Contact Type Ic Card card reader, including housing, the card reader interface being placed on housing and the microprocessor unit being placed in housing and the electrical level transferring chip being connect with microprocessor unit, storage chip, WIFI module and power conversion module for powering to card reader, the card reader interface includes usb interface unit, Ethernet interface unit, IC card interface, DC power supply input interface；The usb interface unit and Ethernet interface unit is respectively connect with microprocessor unit, and the IC card interface is connect by electrical level transferring chip with microprocessor unit, and the microprocessor unit is also connected with usb audio converting unit；The power conversion module is also connect with USB interface, and USB interface power supply is provided for card reader circuit.Interface type is increased, not only with USB interface, the interface that card reader is accessed by network interface, WIFI is also provided with, remote operation IC card function can be realized by network interface or WIFI.
Description
Technical field
The utility model is related to technical field of electronic products, and in particular to a kind of Contact Type Ic Card card reader.
Background technology
Card reader is a kind of special equipment, has slot to may be inserted into IC card, and IC card is inserted into card slot, Contact Type Ic Card Card Reader
Device generally supports USB or RS232 interface are connected with computer to be written and read operation, by computer software to the IC of insertion card reader
Card carries out read-write operation.
Current IC card card reader is primarily present following shortcoming：
1) supporting interface is single, and the interface that card reader is connect with computer is generally RS232 or USB interface；
2) the IC card capacity supported is small, and speed is slow, and since current IC card generally stores simple information, capacity is smaller, read-write
Speed is slower；
3) there is no voice prompt channel.
Utility model content
To solve the above problems, providing a kind of Contact Type Ic Card card reader, support a variety of and computer avenues of communication to IC
Card accesses.
The purpose of this utility model is realized in the following manner：
A kind of Contact Type Ic Card card reader including housing, the card reader interface being placed on housing and is placed in micro- in housing
Processor unit and the electrical level transferring chip being connect with microprocessor unit, storage chip, WIFI module and for Card Reader
Device power supply power conversion module, the card reader interface include usb interface unit, Ethernet interface unit, IC card interface,
DC power supply input interface；The usb interface unit and Ethernet interface unit is respectively connect with microprocessor unit, described
IC card interface connect by electrical level transferring chip with microprocessor unit, the microprocessor unit is also connected with usb audio
Converting unit, the usb audio converting unit are also connect with power amplifier；The power conversion module is inputted with DC power supply
Interface connects；The power conversion module is also connect with USB interface, and USB interface power supply is provided for card reader circuit.
The usb interface unit includes USB interface, USB HUB circuits and USB PHY chips, the USB interface
It is external connect with computer, internally connect card reader in USB HUB circuits, by USB HUB extend two-way USB interface,
It is wherein connect all the way by USB PHY with microprocessor unit, another way is connect with the USB interface of usb audio chip.
The Ethernet interface unit includes Ethernet interface, ethernet PHY and POE power supply processing units；It is described with
Too network interface is connect by ethernet PHY with microprocessor unit, is connect by POE power supply processing units with power conversion module.
The IC card interface is two, including IC card interface I and IC card interface II, the IC card interface I and IC card
Interface II is connect respectively with electrical level transferring chip, and microprocessor unit is accessed after level conversion and is inserted by two-way SPI interface
The Contact Type Ic Card of IC card interface I and IC card interface II.
The microprocessor unit is microcontroller.
The power amplifier connects two loud speakers.
The electrical level transferring chip uses two-way level converting chip.
The storage chip storage IC card read-write number, realizes plug-in card counting how many times.
The microprocessor unit passes through GPIO interface connection status indicator lamp, instruction power supply status, WIFI states, 2
The working condition of a Contact Type Ic Card.
The beneficial effects of the utility model are：1）Interface type is increased, not only with USB interface, is also provided with and passes through
Network interface, WIFI access the interface of card reader, and remote operation IC card function can be realized by network interface or WIFI；
2）It supports large capacity IC card, the high speed USB PHY that microcontroller is not used to be internally integrated, but passes through microcontroller
ULPI interfaces extend out 2.0 interface of high speed USB all the way, substantially increase the rate of reading and writing IC card；
3）Provide a kind of voice prompt approach being integrated in card reader；
4）Power supply mode is flexible, supports USB interface power supply, USB adapter, POE power supplys.
Description of the drawings
Fig. 1 is the functional block diagram of the utility model.
Specific embodiment
The utility model is further described with reference to the accompanying drawings and detailed description.
A kind of Contact Type Ic Card card reader including housing, the card reader interface being placed on housing and is placed in micro- in housing
Processor unit and the electrical level transferring chip being connect with microprocessor unit, storage chip, WIFI module and for Card Reader
Device power supply power conversion module, the card reader interface include usb interface unit, Ethernet interface unit, IC card interface,
DC power supply input interface；The usb interface unit and Ethernet interface unit is respectively connect with microprocessor unit, described
IC card interface connect by electrical level transferring chip with microprocessor unit, the microprocessor unit is also connected with usb audio
Converting unit, the usb audio converting unit are also connect with power amplifier；The power conversion module is inputted with DC power supply
Interface connects；The power conversion module is also connect with USB interface, and USB interface power supply is provided for card reader circuit.
The usb interface unit includes USB interface, USB HUB circuits and USB PHY chips, the USB interface
It is external connect with computer, internally connect card reader in USB HUB circuits, by USB HUB extend two-way USB interface,
It is wherein connect all the way by USB PHY with microprocessor unit, another way is connect with the USB interface of usb audio chip.
The Ethernet interface unit includes Ethernet interface, ethernet PHY and POE power supply processing units；It is described with
Too network interface is connect by ethernet PHY with microprocessor unit, is connect by POE power supply processing units with power conversion module.
The IC card interface is two, including IC card interface I and IC card interface II, the IC card interface I and IC card
Interface II is connect respectively with electrical level transferring chip, and microprocessor unit is accessed after level conversion and is inserted by two-way SPI interface
The Contact Type Ic Card of IC card interface I and IC card interface II.
As shown in Figure 1, the card reader interface includes USB interface, Ethernet interface, IC card interface I, IC card interface
IIth, DC power supply input interface, the external of the USB interface connect with computer, for providing power supply for card reader circuit；
USB port internally connects the USB HUB circuits in card reader, USB HUB extension two-way USB ports, wherein passing through USB PHY all the way
It is connect with microprocessor unit, provides the channel that IC card is accessed by USB, another way and the USB interface of usb audio chip connect
It connects；The Ethernet interface is the network interface that can support POE functions, equipment is made to have POE current-taking functions, and provide net
Network channel supplies computer reading and writing IC card；The IC card interface I and IC card interface II are used to be inserted into Contact Type Ic Card, and provide reading
The identification of card device circuit is read, the data channel in exchange IC card.
The card reader circuit includes power conversion module, USB HUB units, usb audio converting unit, microprocessor list
Member and USB PHY chips, 2 electrical level transferring chips, storage chip, the WIFI modules being connect respectively with microprocessor unit；
The power conversion module is connect by POE power supply processing units with Ethernet interface, and equipment is made to have POE current-taking functions；
The power conversion module is connect with DC power supply input interface, inputs 5V power supplys；The power conversion module and USB interface
Connection, can equally provide USB interface power supply for card reader circuit；The USB PHY chips also with USB HUB circuits, carry
The channel by USB access IC card is supplied；2 electrical level transferring chips connect respectively with IC card interface I and IC card interface II
It connects, microprocessor unit is accessed after level conversion and is inserted into connecing for IC card interface I and IC card interface II by two-way SPI interface
Touch IC card；The usb audio converting unit is also connect with power amplifier, and the power amplifier connects two loud speakers；
The usb audio converting unit can provide USB free drives and move audio service, can be mapped as audio frequency apparatus on computers,
Audio conversion unit is followed by being sent into power amplifier, power amplifier amplification after computer audio data stream to loud speaker；Institute
The storage chip storage IC card read-write number stated, realizes plug-in card counting how many times；The microprocessor unit is drawn SPI all the way and is connect
Mouthful to WIFI module.
The microprocessor unit passes through GPIO interface connection status indicator lamp, instruction power supply status, WIFI states, 2
The working condition of a Contact Type Ic Card.
The microprocessor unit is microcontroller STM32F745；Rate is read and write to improve USB, is not used in microcontroller
The full speed USB PHY that portion integrates, but 2.0 interface of high speed USB all the way is extended out by the ULPI interfaces of microcontroller；Level conversion core
Piece uses the two-way level converting chip LSF0108 of TI companies, and the SPI signal line for being exported microcontroller by the chip is by 3.3V
Level signal is converted to 5.0V level signals and exports to IC card；The signal wire level that IC card returns is supported to be converted to by 5.0V simultaneously
3.3V level signals are connected to microcontroller.IC card read-write number, which is stored in, to be extended out in storage chip, realizes plug-in card by this way
Ferroelectric memory can be selected in counting number, storage chip：FM25V10.USB interface uses Type-C type USB interfaces；At POE power supplys
Manage unit use TI TPS23753 chips, POE power supplys from Ethernet interface introducing after, rectified circuit, POE power supplys processing and
Output DC5.0V powers for card reader circuit after DCDC transformation.Usb audio converting unit uses the PCM2707C chips of TI,
PCM2707C is the audio decoder chip of USB interface, and free drive moves installation, compatible windows system authentications, PCM2707C outputs
Audio signal through power amplifier chips TPA2006 amplification be followed by loud speaker.Protector is added at IC card interface I and IC card interface II
Part carries out necessary electrical protection.
Above-described is only the preferred embodiment of the utility model, it is noted that for those skilled in the art
For, under the premise of the utility model general idea is not departed from, several changes and improvements can also be made, these should also be considered as
The scope of protection of the utility model.
Claims (9)
1. a kind of Contact Type Ic Card card reader including housing, the card reader interface being placed on housing and is placed in micro- place in housing
Reason device unit and the electrical level transferring chip being connect with microprocessor unit, storage chip, WIFI module and for card reader
The power conversion module of power supply, it is characterised in that：The card reader interface include usb interface unit, Ethernet interface unit,
IC card interface, DC power supply input interface；The usb interface unit and Ethernet interface unit respectively with microprocessor unit
Connection, the IC card interface are connect by electrical level transferring chip with microprocessor unit, and the microprocessor unit also connects
Usb audio converting unit is connect, the usb audio converting unit is also connect with power amplifier；The power conversion module with
DC power supply input interface connects；The power conversion module is also connect with USB interface, and USB interface is provided for card reader circuit
Power supply.
2. Contact Type Ic Card card reader as described in claim 1, it is characterised in that：The usb interface unit connects including USB
Mouth, USB HUB circuits and USB PHY chips, the external of the USB interface connect with computer, internally connect in card reader
USB HUB circuits, two-way USB interface is extended by USB HUB, is connected wherein passing through USB PHY and microprocessor unit all the way
It connects, another way is connect with the USB interface of usb audio chip.
3. Contact Type Ic Card card reader as described in claim 1, it is characterised in that：The Ethernet interface unit include with
Too network interface, ethernet PHY and POE power supply processing units；The Ethernet interface is connected by ethernet PHY and microprocessor unit
It connects, is connect by POE power supply processing units with power conversion module.
4. Contact Type Ic Card card reader as described in claim 1, it is characterised in that：The IC card interface is two, including
IC card interface I and IC card interface II, the IC card interface I and IC card interface II are connect respectively with electrical level transferring chip, micro- place
Device unit is managed by two-way SPI interface, the contact IC for being inserted into IC card interface I and IC card interface II is accessed after level conversion
Card.
5. Contact Type Ic Card card reader as described in claim 1, it is characterised in that：The microprocessor unit is monolithic
Machine.
6. Contact Type Ic Card card reader as described in claim 1, it is characterised in that：The power amplifier connects two and raises one's voice
Device.
7. Contact Type Ic Card card reader as described in claim 1, it is characterised in that：The electrical level transferring chip is using two-way
Electrical level transferring chip.
8. Contact Type Ic Card card reader as described in claim 1, it is characterised in that：The storage chip storage IC card read-write
Number realizes plug-in card counting how many times.
9. Contact Type Ic Card card reader as described in claim 1, it is characterised in that：The microprocessor unit passes through GPIO
Interface connection status indicator lamp, instruction power supply status, WIFI states, the working condition of 2 Contact Type Ic Cards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721771546.2U CN207489022U (en) | 2017-12-18 | 2017-12-18 | A kind of Contact Type Ic Card card reader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721771546.2U CN207489022U (en) | 2017-12-18 | 2017-12-18 | A kind of Contact Type Ic Card card reader |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207489022U true CN207489022U (en) | 2018-06-12 |
Family
ID=62458725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721771546.2U Active CN207489022U (en) | 2017-12-18 | 2017-12-18 | A kind of Contact Type Ic Card card reader |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207489022U (en) |
-
2017
- 2017-12-18 CN CN201721771546.2U patent/CN207489022U/en active Active
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| GR01 | Patent grant |