Multi-network card equipment data collector

Abstract

The utility model provides a multi-network card equipment data collector, which belongs to the technical field of data collector equipment, and comprises an SIM (subscriber identity module) card socket module, a frequency division module, a microcontroller, a USB (universal serial bus) to serial port module, a voltage stabilizing circuit and a USB interface, the SIM card socket module is respectively connected with the frequency division module and the microcontroller, the SIM card socket module is connected with mobile equipment and an SIM card, and the frequency division module is connected with the microcontroller. The microcontroller receives interaction information of the mobile device and the SIM card, the microcontroller is connected with the USB interface through the USB-to-serial port module, and the voltage stabilizing circuit is connected with the microcontroller and the USB interface to supply power. The multi-network card data collector is only composed of the STM32 microcontroller, the two SIM card large sockets, the SIM card small socket, the power indicating lamp, the CH340 USB-to-serial port module and the USB interface, is convenient for a user to move and carry, has strong versatility, is provided with large and small card slots, and can support a standard SIM card, an MICRO SIM card and an MANO SIM card.

Description

Technical Field

[0001] The utility model relates to the technical field of data collector equipment, in particular to a multi-network card equipment data collector. Background Art

[0002] In today's big data era, the more data information you have, the sooner you can get ahead of your peers. Therefore, all walks of life are paying more and more attention to the collection and analysis of data information.

[0003] A multi-NIC data collector is a device with real-time data collection capabilities. It tracks and locates the interaction data between mobile devices and network cards during operation, accurately understanding the transmission characteristics and data features of the command exchange information between the two. This helps solve problems encountered during actual development and use, thereby improving the compatibility and reliability of mobile devices. Currently, smart cards with network cards from multiple operators are widely used in the market, resulting in a lack of unified data collection for real-time interaction information between IoT devices or mobile phones and network cards. Therefore, a multi-NIC device data collector is needed. Utility Model Content

[0004] The purpose of the utility model is to provide a multi-network card device data collector to solve the problem that the transmission characteristics and data features of the instruction interaction information between the two cannot be mastered during the actual development and use of existing mobile devices, making it impossible to solve the technical problems encountered in actual development.

[0005] To solve the problem that smart cards integrated with multiple operators' network cards are widely used in the market, users can use the collection software designed by this system to collect real-time interaction information between IoT devices or mobile phones and network cards, and use the collected information to test and correct multiple network card systems.

[0006] In order to achieve the above purpose, the technical solution adopted by the present utility model is as follows:

[0007] A multi-network card device data collector comprises a SIM card socket module, a frequency dividing module, a microcontroller, a USB-to-serial port module, a voltage stabilizing circuit and a USB interface. The SIM card socket module is connected to the frequency dividing module and the microcontroller respectively. The SIM card socket module is connected to a mobile device and a SIM card to receive interactive information between the mobile device and the SIM card. The microcontroller is connected to the USB interface via the USB-to-serial port module. The voltage stabilizing circuit is connected to the microcontroller and the USB interface respectively for power supply.

[0008] Furthermore, the USB interface is connected to an external PC, and the USB interface transmits the collected information to the PC.

[0009] Further, the microcontroller includes an STM32 chip, the PD0 pin of the STM32 chip is connected to one end of an external crystal oscillator Y1 and one end of a capacitor C02, the other end of the capacitor C02 is connected to one end of a capacitor C1, and grounded, the other end of the external crystal oscillator Y1 is connected to the other end of the capacitor C1, and the other end of the external crystal oscillator Y1 is connected to the PD1 port of the microcontroller, the PA8 pin of the STM32 chip is connected to the clock line CLK2 of the frequency division module, the PA9 and PA10 pins of the STM32 chip are respectively connected to the RXD port and TXD port of the USB-to-serial port module, and the PC1 pin of the STM32 chip is connected to the SIM card interface module IO1 line.

[0010] Furthermore, the SIM card interface module is designed with three card holders. The card holders are set to large and small according to the size and type of the SIM card. The large and small card holders are divided into two large card holders and one small card holder. The three card holder pins VCC, RST, CLK, GND and IO port are connected in series, and the IO port is finally connected to the microcontroller PC1 port.

[0011] Furthermore, the USB to serial port module uses the CH340 chip, and the RXD and TXD lines of the CH340 chip are connected to the PA10 and PA11 ports of the microcontroller. The X1 pin of the CH340 chip is connected to one end of the external crystal oscillator Y2 and one end of the capacitor C22. The other end of the capacitor C22 is connected to one end of the capacitor C23 and grounded. The other end of the external crystal oscillator Y1 is connected to the other end of the capacitor C23, and the other end of the external crystal oscillator Y2 is connected to the PD1 port of the microcontroller.

[0012] Furthermore, the voltage stabilizing circuit module is powered by a 5V power supply of the USB interface, and the power supply path of the microcontroller is a 3V3 regulated power supply from the USB interface through a 5V to 3.3V voltage stabilizing circuit.

[0013] Furthermore, the chip of the frequency division module is a 74HC74 chip, the 1CP pin of the 74HC74 chip is connected to the clock line CLK1 of the SIM card socket module, the 1Q pin of the 74HC74 chip is connected to the clock line CLK2 of the microcontroller PA8 port, and the VCC, 1 / RD, and 1 / SD pins of the 74HC74 chip are connected to the USB interface 5V power supply through resistor R8.

[0014] The utility model has the following beneficial effects due to the adoption of the above technical solution:

[0015] The multi-network card data collector of the utility model only consists of an STM32 microcontroller, two large SIM card sockets, a small SIM card socket, a power indicator light, a CH340USB to serial port module and a USB interface. It is convenient for users to carry and has strong versatility. The utility model is equipped with large and small card slots and can support standard SIM cards, micro SIM cards and mano SIM cards. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a block diagram of the collector module of the utility model;

[0017] Figure 2 This is the principle diagram of the microcontroller of the utility model;

[0018] Figure 3 This is the principle diagram of the USB to serial port module of the utility model;

[0019] Figure 4 This is the principle diagram of the frequency division module of the utility model;

[0020] Figure 5 This is the principle diagram of the voltage stabilizing circuit module of the utility model;

[0021] Figure 6 This is the principle diagram of the SIM card interface module of the utility model;

[0022] Figure 7 This is the USB interface principle diagram of the utility model; DETAILED DESCRIPTION

[0023] To make the objectives, 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 preferred embodiments. However, it should be noted that many of the details listed in this specification are merely provided to help readers gain a thorough understanding of one or more aspects of the present invention, and these aspects of the present invention can be implemented even without these specific details.

[0024] like Figure 1 As shown, a multi-network card device data collector includes a SIM card socket module, a frequency division module, a microcontroller, a USB-to-serial port module, a voltage stabilizing circuit, and a USB interface. The SIM card socket module is connected to the frequency division module and the microcontroller. The SIM card socket module is used to connect a mobile device and a SIM card and receive interactive information between the mobile device and the SIM card.

[0025] The frequency dividing module is connected to the microcontroller, and the frequency dividing module is connected to a USB interface. The frequency dividing module is used to reduce the clock frequency of the device, and the USB interface is used to provide a 5V power supply.

[0026] The microcontroller is connected to a USB-to-serial port module and a voltage stabilizing circuit. The microcontroller is used to receive the interaction information and determine whether the interaction information is correct; the USB-to-serial port module is used to process the interaction information; and the voltage stabilizing circuit is used to provide power for the microcontroller.

[0027] The USB to serial port module is connected to a USB interface, and the USB interface supplies power to the collector.

[0028] A known host computer software platform is installed on the PC. The host computer software uses the C++Builder development platform. The host computer software platform has a window module design, a serial port module design, and an APDU command analysis module design, which cooperate with each other to complete the collection of multi-network card system data. The window module of the host computer software platform mainly utilizes labels, buttons, drop-down boxes, and text controls to complete software program display. The serial port module of the host computer software platform mainly sets parameters such as serial port number, baud rate, and timer to receive collector data. The APDU command analysis module of the host computer software platform is a major component of the host computer software. After the collector data enters the host computer software, the existing APDU command analysis module is required to use existing instructions to analyze and layer the data, and display the data in the window after the processing is completed.

[0029] After the user gets the storage device of this utility model, he connects it to the USB port of the computer equipped with CH340 driver via a USB cable. After the connection, the power indicator light turns on. Open the host computer collector software, select the corresponding serial port, and it will be connected successfully if it is displayed that the serial port is opened. The interactive data between the device and the network card can be received in the host computer software.

[0030] The multi-network card collector only consists of an STM32 microcontroller, a USB-to-serial port module, a SIM card interface module, a frequency division module, a voltage regulator circuit module, and a USB interface. It is small in size and easy for users to carry.

[0031] According to one aspect of the present invention, a multi-network card collector is provided, wherein: the SIM card socket module is connected to the frequency division module and the microcontroller, and the SIM card socket module is used to connect the mobile device and the SIM card and receive the interaction information between the mobile device and the SIM card, wherein:

[0032] The frequency dividing module is connected to the microcontroller, and the frequency dividing module is connected to a USB interface. The frequency dividing module is used to reduce the clock frequency of the device, and the USB interface is used to provide power.

[0033] The microcontroller is connected to a USB-to-serial port module and a voltage stabilizing circuit. The microcontroller is used to receive the interaction information and determine whether the interaction information is correct; the USB-to-serial port module is used to process the interaction information; and the voltage stabilizing circuit is used to provide power for the microcontroller.

[0034] The USB to serial port module is connected to a USB interface, and the USB interface supplies power to the collector.

[0035] The microcontroller module, schematic diagram is as follows Figure 2As shown, the microcontroller includes an STM32 chip; the PD0 pin of the STM32 chip is connected to one end of an external crystal oscillator Y1 and one end of a capacitor C02, one end of the capacitor C02 is connected to one end of a capacitor C1, the other end of the external crystal oscillator Y1 is connected to the other end of the capacitor C1, and the other end of the external crystal oscillator Y1 is connected to the microcontroller PD1 port, and the other end of the capacitor C1 is grounded; the PA8 pin of the STM32 chip is connected to the frequency division module clock line CLK2; the PA9 and PA10 pins of the STM32 chip are respectively connected to the USB to serial port module RXD port and TXD port; the PC1 pin of the STM32 chip is connected to the SIM card interface module IO1 line; the STM32 chip provides power through a 5V to 3.3V voltage stabilizing circuit via a USB interface, and adapts to the 3.3V voltage requirement of the microcontroller; the STM32 chip is used to collect the interactive information between a receiving device and a SIM card, and determines whether the information is correct.

[0036] The SIM card interface module, schematic diagram is as follows Figure 6 As shown, three SIM card interface clock lines, power lines, data transmission lines, and reset lines are connected in series. According to the size of the SIM card, the mobile device is connected to the SIM card socket on the collector through a special flexible cable. The SIM card is inserted into the other SIM card socket to complete the connection between the collector, mobile device, and SIM card. The collected interaction information between the mobile device and the SIM card is transmitted to the microcontroller via the IO line. At the same time, the clock line is connected to the frequency division module.

[0037] The USB to serial port module, its principle diagram is as follows Figure 3 As shown, the USB-to-serial port chip signal is CH340; the RXD and TXD lines of the CH340 chip are connected to the PA10 and PA11 ports of the microcontroller; the X1 pin of the CH340 chip is connected to one end of the external crystal oscillator Y2 and one end of the capacitor C22, one end of the capacitor C22 is connected to one end of the capacitor C23, the other end of the external crystal oscillator Y1 is connected to the other end of the capacitor C23, the other end of the external crystal oscillator Y2 is connected to the PD1 port of the microcontroller, and the other end of the capacitor C23 is grounded; the CH340 chip transmits the collected information processed by the microcontroller to the computer's host software through the USB interface after USB-to-serial port data processing.

[0038] The frequency division module is connected to the SIM card socket and the microcontroller clock line respectively. The schematic diagram is as follows Figure 4As shown, the frequency division module chip model is 74HC74 chip; the 1CP pin of the 74HC74 chip is connected to the clock line CLK1 of the SIM card socket module, and the clock line CLK2 of the 1Q pin of the 74HC74 chip is connected to the PA8 port of the microcontroller; the VCC, 1 / RD, and 1 / SD pins of the 74HC74 chip are connected to the 5V power supply of the USB interface through the resistor R8; the 74HC74 chip reduces the device clock frequency by half before entering the microcontroller to prevent the device clock frequency from being too fast and the microcontroller from being unable to collect data, resulting in garbled characters.

[0039] The voltage stabilizing circuit, its principle diagram is as follows Figure 5 As shown, the USB interface converts 5V to 3.3V for regulated power supply to the microcontroller.

[0040] The USB interface, its schematic diagram is as follows Figure 7 As shown, the USB interface is used to connect to the host computer software to transmit interactive information and to power the multi-network card collector.

[0041] As can be seen from the above description of the present invention, compared to the prior art, the present invention provides a multi-network card data collector equipped with a SIM card-sized socket to extract interactive information between multi-network card devices and communication devices and transmit it to a host computer. The present invention is compact, easy to carry and use, has low operating requirements, and has a small host computer software file size, making it compatible with different computer systems and easy to install.

[0042] The communication clock between the IoT device and the SIM card is collected by the STM32 microcontroller to obtain accurate bit-width timing signals, and data sampling is performed at corresponding bit-width intervals. The data information of the interaction between the IoT device and the SIM card is extracted from the sampled data and sent to the host computer software, thereby achieving the function of collecting data on the interaction between different mobile devices and SIM cards.

[0043] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as within the scope of protection of the present invention.

Claims

1. A multi-network card device data collector, characterized by: It includes a SIM card socket module, a frequency division module, a microcontroller, a USB-to-serial port module, a voltage stabilizing circuit and a USB interface. The SIM card socket module is connected to the frequency division module and the microcontroller respectively. The SIM card socket module connects the mobile device and the SIM card and receives the interactive information between the mobile device and the SIM card. The microcontroller is connected to the USB interface via the USB-to-serial port module. The voltage stabilizing circuit is connected to the microcontroller and the USB interface respectively for power supply.

2. The multi-network card device data collector according to claim 1, characterized in that: The USB interface is connected to an external PC, and the USB interface transmits the collected information to the PC.

3. The multi-network card device data collector according to claim 1, characterized in that: The microcontroller includes an STM32 chip, the PD0 pin of the STM32 chip is connected to one end of the external crystal oscillator Y1 and one end of the capacitor C02, the other end of the capacitor C02 is connected to one end of the capacitor C1 and grounded, the other end of the external crystal oscillator Y1 is connected to the other end of the capacitor C1, the other end of the external crystal oscillator Y1 is connected to the PD1 port of the microcontroller, the PA8 pin of the STM32 chip is connected to the clock line CLK2 of the frequency division module, the PA9 and PA10 pins of the STM32 chip are respectively connected to the RXD port and TXD port of the USB to serial port module, and the PC1 pin of the STM32 chip is connected to the IO1 line of the SIM card interface module.

4. The multi-network card device data collector according to claim 3, characterized in that: The SIM card interface module is designed with three card holders. The card holders are divided into two large card holders and one small card holder according to the size and type of the SIM card. The three card holder pins VCC, RST, CLK, GND and the IO port are connected in series. The IO port is finally connected to the microcontroller PC1 port.

5. The multi-network card device data collector according to claim 4, characterized in that: The USB to serial port module uses the CH340 chip. The RXD and TXD lines of the CH340 chip are connected to the PA10 and PA11 ports of the microcontroller. The X1 pin of the CH340 chip is connected to one end of the external crystal oscillator Y2 and one end of the capacitor C22. The other end of the capacitor C22 is connected to one end of the capacitor C23 and grounded. The other end of the external crystal oscillator Y1 is connected to the other end of the capacitor C23, and the other end of the external crystal oscillator Y2 is connected to the PD1 port of the microcontroller.

6. The multi-network card device data collector according to claim 5, characterized in that: The voltage stabilizing circuit module is powered by the 5V power supply of the USB interface, and the power supply path of the microcontroller is the 3V3 regulated power supply through the 5V to 3.3V voltage stabilizing circuit of the USB interface.

7. The multi-network card device data collector according to claim 6, characterized in that: The chip of the frequency division module is 74HC74 chip. The 1CP pin of 74HC74 chip is connected to the clock line CLK1 of SIM card socket module, the 1Q pin of 74HC74 chip clock line CLK2 is connected to the PA8 port of microcontroller, and the VCC, 1 / RD and 1 / SD pins of 74HC74 chip are connected to the 5V power supply of USB interface through resistor R8.

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