CN211669642U - Identity card information reading and SIM card reading and writing circuit - Google Patents
Identity card information reading and SIM card reading and writing circuit Download PDFInfo
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- CN211669642U CN211669642U CN202020760309.1U CN202020760309U CN211669642U CN 211669642 U CN211669642 U CN 211669642U CN 202020760309 U CN202020760309 U CN 202020760309U CN 211669642 U CN211669642 U CN 211669642U
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Abstract
The utility model discloses an identity card information reading and SIM card reading and writing circuit, which comprises a CPU circuit, a power circuit, an identity card identification circuit, an SIM card circuit and a communication circuit; the CPU is respectively connected with the power supply circuit, the identity card identification circuit, the SIM card circuit and the communication circuit. The utility model discloses a form is the circuit board that a section can imbed the cell-phone back splint, is an intelligent terminal with back splint, cell-phone combination jointly. The circuit board is fixed in the interlayer between the back cover of the mobile phone and the shell of the back clamp in a mode of combining the back clamp and the mobile phone, and a user only needs to normally carry the mobile phone when opening the card without additionally carrying any third-party peripheral equipment.
Description
Technical Field
The utility model relates to an identity card information reads and SIM card read-write circuit, concretely relates to identity card information through bluetooth or USB communication reads and SIM card read-write circuit.
Background
At present, in the traditional work flow, card opening and card replacement are completed in a business hall, and a salesman operates an identity card reader and an SIM card reader through a computer respectively to complete identity card information reading.
With the development of mobile internet, the trend of card removal and card replacement is in progress, and the Bluetooth-based identity card reader and the SIM card reader-writer become card removal machines and tools of channel merchants.
The business hall uses the computer to cooperate with the desktop ID card reader and the SIM card reader-writer, has high cost and larger volume of each accessory, can only complete the card reading and writing operations such as card opening, card supplementing and replacing and the like at special stations in the business hall, and can not expand the business outside the hall.
The intelligent machine that field staff used is supporting bluetooth ID card and SIM card reading and writing equipment has had great improvement, still will additionally carry, and bluetooth equipment needs extra power supply, will do the search connection before the use, to the staff outside for a long time, often still can meet the unable connection that leads to of electric quantity low or unable read and write card scheduling problem, field staff is not the technician, hardly go to the on-the-spot solution when equipment connection is not smooth, this type of problem has caused very big inconvenience for their work.
Disclosure of Invention
The utility model is directed to the above-mentioned problem, a ID card information reads and SIM card read-write circuit is provided.
The utility model adopts the technical proposal that: an identity card information reading and SIM card reading and writing circuit comprises an MCU circuit, an AD detection circuit, a power supply circuit, a Bluetooth circuit, a loudspeaker circuit, a radio frequency circuit and an SIM card circuit; the MCU circuit is respectively connected with the AD detection circuit, the power supply circuit, the Bluetooth circuit, the loudspeaker circuit, the radio frequency circuit and the SIM card circuit;
the MCU circuit: an external crystal oscillator and a self-reset circuit are adopted as a main control circuit;
an AD detection circuit: for detecting the battery voltage;
a power supply circuit: a lithium battery is adopted for supplying power, and the lithium battery converts 3.3V to supply power for the MCU;
the Bluetooth circuit: the SIM card reading and writing circuit is used for communicating with the mobile phone;
a speaker circuit: the card reader is used for playing information about whether the identification card and the read-write card are correct or not;
a radio frequency circuit: the device is used for reading the information of the identity card and the bank card;
SIM card circuit: for reading and writing the SIM card.
Further, the MCU circuit comprises an MCU chip and a peripheral circuit.
Further, the power supply circuit comprises power supply chips Q1, U5 and U6, wherein the power supply chips Q1, U5 and U6 are respectively connected with the CPU chip of the MCU circuit.
Further, the communication chip U3 is connected to the MCU circuit.
Further, the AD detection circuit includes an AD detection chip U5 and peripheral circuits.
Further, the bluetooth circuit includes a bluetooth chip BT1 and peripheral circuits.
Further, the speaker circuit includes a speaker F1 and a peripheral circuit.
Further, the radio frequency circuit comprises a radio frequency chip U2 and peripheral circuits.
The utility model has the advantages that:
the utility model discloses an identity card information reads and SIM card read-write circuit, with computer, identity card reader, SIM card reader-writer integration for a smart mobile phone that has the back splint, portable just prevents falling, dustproof, does not have the circumstances such as low-power, and the difficult problem that business met is handled to the all-round personnel of solving, effectively promotes work efficiency.
The multiple communication modes can be adapted to new and old multiple types of mobile phones, and the using requirements of various business personnel are comprehensively met. The cost is low, a set of business equipment does not need to purchase thousands of yuan of computers, thousands of yuan of ID card readers, even hundreds of yuan of SIM card readers-writers, and business can be handled only by matching one mobile phone back folder with a common mobile phone.
In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification.
Fig. 1 is a block diagram of the structure corresponding to the circuit for reading information of an identity card and reading and writing an SIM card according to the embodiment of the present invention.
Fig. 2 is a schematic diagram of an identity card information reading and SIM card reading/writing circuit according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Referring to fig. 1 and 2, as shown in fig. 1 and 2, an identity card information reading and SIM card reading and writing circuit includes an MCU circuit, an AD detection circuit, a power circuit, a bluetooth circuit, a speaker circuit, a radio frequency circuit, and a SIM card circuit; the MCU circuit is respectively connected with the AD detection circuit, the power supply circuit, the Bluetooth circuit, the loudspeaker circuit, the radio frequency circuit and the SIM card circuit;
the MCU circuit: an external crystal oscillator and a self-reset circuit are adopted as a main control circuit; the MCU is an STC15W4K32S chip and adopts an external crystal oscillator and a self-reset circuit;
an AD detection circuit: for detecting the battery voltage;
a power supply circuit: a lithium battery is adopted for supplying power, and the lithium battery converts 3.3V to supply power for the MCU; the lithium battery is adopted for supplying power, the lithium battery is changed to 3.3V to supply power to the MCU, and the Bluetooth and radio frequency circuit are controlled by KF 8169;
the Bluetooth circuit: the SIM card reading and writing circuit is used for communicating with the mobile phone; TP1 adopts a zong dual-mode Bluetooth module FSC-BT826 and adopts a serial port transparent transmission mode;
a speaker circuit: the card reader is used for playing information about whether the identification card and the read-write card are correct or not;
a radio frequency circuit: the device is used for reading the information of the identity card and the bank card; u2 uses FM17550 chip, which is a highly integrated contactless communication chip operating at 13.56 MHz. Supporting NFC which conforms to ISO/IEC14443type A, ISO/IEC14443type B, Felica protocol and NFCIP-1 protocol;
SIM card circuit: the SIM card is used for reading and writing the SIM card, a communication pin and a reset pin of the SIM card are connected with the CPU, the CLK is an external crystal oscillator circuit, and the crystal oscillator is 3.5712 MHz.
The MCU circuit comprises an MCU chip and a peripheral circuit, and the U1 is STC15W4K 32S.
The power supply circuit comprises power supply chips Q1, U5 and U6, wherein the power supply chips Q1, U5 and U6 are respectively connected with a CPU chip of the MCU circuit.
The communication chip U3 is connected with the MCU circuit.
The AD detection circuit comprises an AD detection chip U5 and peripheral circuits.
The Bluetooth circuit comprises a Bluetooth chip BT1 and peripheral circuits.
The speaker circuit includes a speaker F1 and peripheral circuits.
The radio frequency circuit comprises a radio frequency chip U2 and peripheral circuits.
The whole circuit working process:
reading the identity card: the mobile phone initiates identity card reading, the MCU activates the radio frequency circuit to select the identity card, the mobile phone sends a card reading instruction to the Bluetooth, the MCU drives the radio frequency circuit to read data after receiving the instruction, and the mobile phone sends the data to the decoding background for decoding and returning after all data are read.
Reading the SIM card: the mobile phone initiates SIM card reading, the MCU initiates card selection to the SIM card IO according to ISO7816 standard, if the card selection is successful, the MCU returns the SIM card ATR information, then the MCU sends a card reading instruction, and then the read card data is returned to the mobile phone.
The utility model discloses an identity card information reads and SIM card read-write circuit, with computer, identity card reader, SIM card reader-writer integration for a smart mobile phone that has the back splint, portable just prevents falling, dustproof, does not have the circumstances such as low-power, and the difficult problem that business met is handled to the all-round personnel of solving, effectively promotes work efficiency.
The multiple communication modes can be adapted to new and old multiple types of mobile phones, and the using requirements of various business personnel are comprehensively met. The cost is low, a set of business equipment does not need to purchase thousands of yuan of computers, thousands of yuan of ID card readers, even hundreds of yuan of SIM card readers-writers, and business can be handled only by matching one mobile phone back folder with a common mobile phone.
The utility model discloses a form is the circuit board that a section can imbed the cell-phone back splint, is an intelligent terminal with back splint, cell-phone combination jointly. The circuit board is fixed in the interlayer between the back cover of the mobile phone and the shell of the back clamp in a mode of combining the back clamp and the mobile phone, and a user only needs to normally carry the mobile phone when opening the card without additionally carrying any third-party peripheral equipment.
The utility model discloses well circuit board supports two kinds of communication mode of USB (OTG) and bluetooth, if the user's cell-phone supports OTG, then preferentially uses OTG mode and mobile communication, otherwise uses the bluetooth. The circuit board is directly supplied with power by a USB port of the mobile phone in an OTG mode, and the problem that the conventional Bluetooth equipment cannot be started up when the power is low is solved.
The utility model discloses well circuit board still possesses a micro USB socket except having the OTG wiring that is connected with the cell-phone, and the USB circuit is parallelly connected with cell-phone USB circuit, realizes that back splint circuit board charges for the cell-phone to combine cell-phone, back splint complete as a whole.
The utility model discloses the circuit board possesses the radio frequency and reads the card function, supports ISO14443-A, ISO14443-B agreement, and the cell-phone end can read the data of compatible cards such as ID card, bank card through the SDK storehouse, combines the standing grain field company ID card cloud platform of decoding, can encrypt the data decryption with the ID card that reads to send for the caller in order to realize ID card data reading.
The utility model discloses the circuit board has the SIM card and reads the function, supports ISO7816 agreement, and the cell-phone end can read contact chip cards such as SIM card, SAM card through the SDK storehouse to send data to the calling party in order to realize the card read-write function.
The utility model discloses in, SDK can realize that the face of identity card photo and cell-phone shooting photo compares through calling the cell-phone camera and combining people's face contrast algorithm to send the comparison result and verify the function for the realization testimony of a witness for the caller.
The utility model discloses mainly used operator opens the card, mends and trades the card scene.
The utility model relates to a smart card reading and writing technique follows ISO7516, ISO14443-A, ISO14443-B agreement.
The utility model relates to a USB2.0, Bluetooth Classic, BLE relevant communication technology.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (8)
1. An identity card information reading and SIM card reading and writing circuit is characterized by comprising an MCU circuit, an AD detection circuit, a power supply circuit, a Bluetooth circuit, a loudspeaker circuit, a radio frequency circuit and an SIM card circuit;
the MCU circuit is respectively connected with the AD detection circuit, the power supply circuit, the Bluetooth circuit, the loudspeaker circuit, the radio frequency circuit and the SIM card circuit;
the MCU circuit: an external crystal oscillator and a self-reset circuit are adopted as a main control circuit;
an AD detection circuit: for detecting the battery voltage;
a power supply circuit: a lithium battery is adopted for supplying power, and the lithium battery converts 3.3V to supply power for the MCU;
the Bluetooth circuit: the SIM card reading and writing circuit is used for communicating with the mobile phone;
a speaker circuit: the card reader is used for playing information about whether the identification card and the read-write card are correct or not;
a radio frequency circuit: the device is used for reading the information of the identity card and the bank card;
SIM card circuit: for reading and writing the SIM card.
2. The identity card information reading and SIM card reading and writing circuit of claim 1, wherein the MCU circuit comprises an MCU chip and peripheral circuits.
3. The circuit of claim 1, wherein the power circuit comprises power chips Q1, U5 and U6, and the power chips Q1, U5 and U6 are respectively connected to the CPU chip of the MCU circuit.
4. The circuit for reading information on an identity card and reading and writing a SIM card as claimed in claim 1, wherein the communication chip U3 is connected to the MCU circuit.
5. The circuit for reading information on an identity card and reading and writing a SIM card according to claim 1, wherein the AD detection circuit comprises an AD detection chip U5 and peripheral circuits.
6. The circuit for reading information of an identity card and reading and writing a SIM card as claimed in claim 1, wherein the Bluetooth circuit comprises a Bluetooth chip BT1 and peripheral circuits.
7. The identification card information reading and SIM card reading and writing circuit of claim 1, wherein said speaker circuit comprises a speaker F1 and peripheral circuits.
8. The circuit for reading information from an identity card and reading/writing information from a SIM card of claim 1, wherein the RF circuit comprises an RF chip U2 and peripheral circuits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020760309.1U CN211669642U (en) | 2020-05-09 | 2020-05-09 | Identity card information reading and SIM card reading and writing circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020760309.1U CN211669642U (en) | 2020-05-09 | 2020-05-09 | Identity card information reading and SIM card reading and writing circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211669642U true CN211669642U (en) | 2020-10-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020760309.1U Active CN211669642U (en) | 2020-05-09 | 2020-05-09 | Identity card information reading and SIM card reading and writing circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211669642U (en) |
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2020
- 2020-05-09 CN CN202020760309.1U patent/CN211669642U/en active Active
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