CN209388302U - A multifunctional student card - Google Patents

Abstract

The utility model discloses a kind of multifunctional student card.The student card includes: main control module, GPRS antenna, GPS antenna, display unit, Keysheet module, the Zhi Fuyu attendance module being connected with main control module.Main control module communicates for realizing with the GPRS of server, realizes the comprehensive positioning function of GPS- base station-IP, generates the two dimensional code and bar code for realizing payment function, exports weather forecast corresponding with student card position and air quality information to display unit；Zhi Fuyu attendance module is for realizing payment two dimensional code and bar code barcode scanning and attendance communication.The utility model can be realized the synthesis positioning function based on GPS positioning, base station location and IP positioning, substantially increase positioning function and precision；Weather forecast corresponding with student card position and air quality information can be shown based on positioning function.

Description

A multifunctional student card

technical field

The utility model belongs to the technical field of electronic cards, in particular to a multifunctional student card.

Background technique

Student card (also known as electronic student card), as a student identity card and attendance tool, has been widely used in various schools. With the continuous updating and development of electronic technology, student cards have gradually transitioned from traditional paper identification cards to electronic student cards and smart student cards, in order to achieve functions such as attendance, positioning, information sending, SMS, and help.

However, the existing intelligent chemical student cards still have problems such as few functions and a single positioning method. For example, it only has the GPS positioning function, and the positioning reliability is not high; there is no payment function; it does not have the weather forecast notification function, etc.

Utility model content

In order to solve the above problems in the prior art, the utility model proposes a multifunctional student card.

In order to achieve the above object, the utility model adopts the following technical solutions:

A multifunctional student card includes: a main control module, a GPRS antenna connected to the main control module, a GPS antenna, a display unit, a keyboard module, and a payment and attendance module. The main control module is used to realize GPRS communication with the server, realize GPS-base station-IP comprehensive positioning function, generate two-dimensional code and bar code for realizing payment function, and output weather forecast and air temperature corresponding to the location of the student card to the display unit. Quality information; payment and attendance module is used to realize payment QR code and bar code scanning and attendance communication.

Compared with the prior art, the utility model has the following beneficial effects:

The utility model can realize GPRS communication with the server by setting a main control module and a display unit connected to the main control module, a button module, a GPS antenna, a GPRS antenna, a payment and attendance module, and realize two-dimensional code and bar code scanning payment and payment. Attendance operation. The utility model can realize the comprehensive positioning function based on GPS positioning, base station positioning and IP positioning, which greatly improves the positioning function and accuracy; it can display the weather forecast and air quality information corresponding to the location of the student card based on the positioning function.

Description of drawings

Fig. 1 is a block diagram of a multifunctional student card according to the embodiment of the present invention.

In the figure: 1-main control module, 2-GPRS antenna, 3-GPS antenna, 4-display unit, 5-keyboard module, 6-payment and attendance module.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is described in further detail.

A compositional block diagram of a multifunctional student card in the embodiment of the utility model is shown in Figure 1, including: a main control module 1, a GPRS antenna 2 connected to the main control module 1, a GPS antenna 3, a display unit 4, a keyboard module 5, Payment and Attendance Module6. The main control module 1 is used to realize the GPRS communication with the server, realize the GPS-base station-IP comprehensive positioning function, generate a two-dimensional code and a bar code for realizing the payment function, and output the weather forecast corresponding to the location of the student card to the display unit 4 and air quality information; the payment and attendance module 6 is used to realize payment of two-dimensional code and bar code scanning and attendance communication.

In this embodiment, the student card is mainly composed of a main control module 1 and a GPRS antenna 2 connected to the main control module 1, a GPS antenna 3, a SIM card, a display unit 4, a keyboard module 5 and a payment and attendance module 6.

The main control module 1 is the control and data processing center of the student card, which mainly realizes the following functions: through the GPRS antenna 2, the GPRS communication with the server is realized, the comprehensive positioning function of various modes, and the information pushed by the server based on the positioning function is received. The weather forecast and air quality information corresponding to the location of the student card, generate QR code and bar code to complete the payment function. Various positioning functions include GPS positioning, base station positioning and IP positioning. GPS positioning belongs to satellite positioning. The advantage of satellite positioning is high accuracy, but it consumes a lot of energy, and it can only be used in places with good outdoor satellite signal coverage. In places with severe signal occlusion, the work is unstable and satellites are lost. Base station positioning is to calculate the location of the student card by receiving signals from three different base stations. The positioning error of the base station is about 550 meters, which is suitable for use in places where satellite signals cannot cover, such as indoors and subways. According to the IP address, the county where the student card location belongs can be roughly positioned, which can be used for positioning and correction. By sending the location information of the student card to the server, the weather forecast and air quality information corresponding to the location of the student card pushed by the server can be obtained. It can also draw the trajectory of the student card according to the location information, and realize the electronic fence function.

The display unit 4 is used to display various information. For example, when the screen is turned on, the first screen mainly displays weather forecast and air quality content, including temperature, weather description and corresponding weather icon, wind direction, wind level, air quality level and corresponding color; the second screen is student information, including battery Battery, signal strength, system time, student profile picture, student name, grade, class, etc.; the third screen is the information sent by the teacher; the fourth screen is the information sent by the parents. When performing payment operations, information such as QR codes, barcodes, and binding prompts are also displayed.

The payment and attendance module 6 is mainly used to realize short-distance wireless communication, such as the wireless communication between the student card, the code scanning gun and the attendance machine when realizing payment scanning and attendance operations.

The keyboard module 5 is used to realize human-computer interaction operations, such as turning on and off the machine, changing screens, and the like.

As an optional embodiment, the student card also includes a SIM (Subscriber Identification Module) card connected to the main control module 1 for implementing mobile phone short message service.

In this embodiment, a SIM card (not shown in FIG. 1 ) connected to the main control module 1 is also provided. The SIM card uniquely identifies a customer. The SIM card is used in the GSM system, which can separate the card from the mobile phone and realize the SMS service of the mobile phone. The SIM card in this embodiment is a Nano SIM with a size of 12.3mm×8.8mm×0.7mm.

As an optional embodiment, the student card also includes a USB interface connected to the main control module 1 and a USB charging detection module.

In this embodiment, a USB interface and a USB charging detection module (not shown in FIG. 1 ) are also provided. The USB interface is used to realize the data transmission between students and external storage devices and the charging of the student card power supply battery. Due to the limitation of the size of the student card, the USB interface adopts a micro-USB interface. The USB charging detection module is used to detect battery charging voltage and current. The USB charging detection module can use the BQ21040 chip.

As an optional embodiment, the keyboard module 5 at least includes: a first button for realizing the switch control of the display unit 4 and the switch control of the student card, and a second button for realizing the payment operation, which is used to realize the display unit 4 The third button for screen-changing operation.

This embodiment provides a technical solution of the keyboard module 5 . The keyboard module 5 mainly includes a first key, a second key and a third key for realizing different operations. For example, a short press of the first button can switch the display unit 4, and a long press can realize the switch control of the student card; the second button realizes the QR code and barcode payment scanning operation; the third button is used to control the display unit 4 to change the screen operation, Press the screen to display different information.

As an optional embodiment, the display unit 4 is a TFT LCD (thin film transistor-liquid crystal display, thin film transistor-liquid crystal display) display screen.

This embodiment provides a technical solution of the display unit 4 . In this embodiment, the display unit 4 is a TFT LCD. The TFT display adopts the "back-through" illumination method, which has the advantages of low driving voltage, no radiation, and no flicker.

As an optional embodiment, the main control module 1 is mainly composed of an RDA8955 GSM chip.

This embodiment provides a technical solution of the main control module 1 . RDA8955 has the smallest size among chips with the same function in the world, only 7.5mm×7.0mm. The peripheral BOM of the chip is greatly simplified to achieve the lowest cost while ensuring performance; RDA8955 supports various network protocols.

As an optional embodiment, the payment and attendance module 6 includes an NRF52832 Bluetooth chip and an NFC (near field communication, near field communication) antenna and a Bluetooth antenna connected to the chip.

This embodiment provides a technical solution of the payment and attendance module 6 . NRF52832 is a powerful, highly flexible ultra-low power multi-protocol SoC Bluetooth single chip. The NRF52832 chip has two functions of NFC tag and 2.4G/Bluetooth. Set the NFC antenna to realize the communication function between the NFC tag and the external NFC device (such as a credit card machine); G equipment (such as 2.4G attendance machine) communication function.

The above only illustrates several specific embodiments of the present utility model, but it cannot be regarded as the protection scope of the present utility model. Any equivalent change or modification or proportional enlargement or reduction made according to the design spirit of the present utility model etc., all should be considered as falling into the protection scope of the present utility model.

Claims (7)

1. a kind of multifunctional student card, it is characterized in that, comprises: master control module, the GPRS antenna that links to each other with master control module, GPS antenna, display unit, keyboard module, payment and attendance module; Master control module is used to realize and server GPRS communication, realize GPS-base station-IP comprehensive positioning function, generate QR code and bar code for payment function, and output weather forecast and air quality information corresponding to the location of the student card to the display unit; payment and attendance module To realize payment QR code and bar code scanning and attendance communication. 2. The multifunctional student card according to claim 1, characterized in that, the student card also includes a SIM card connected with the main control module for realizing mobile phone short message service. 3. The multifunctional student card according to claim 1, further comprising a USB interface connected to the main control module and a USB charging detection module. 4. The multifunctional student card according to claim 1, characterized in that, the keyboard module at least includes: a first button for realizing the switch control of the display unit and the switch control of the student card, and a second button for realizing the payment operation. The second button is the third button used to realize the screen changing operation of the display unit. 5. The multifunctional student card according to claim 1, wherein the display unit is a TFT LCD display. 6. The multifunctional student card according to claim 1, characterized in that, the main control module is mainly composed of RDA8955 GSM chip. 7. The multifunctional student card according to claim 1, wherein the payment and attendance module includes an NRF52832 bluetooth chip and an NFC antenna and a bluetooth antenna connected to the chip.