CN220732762U

CN220732762U - Ink screen electronic student's certificate capable of remotely answering questions

Info

Publication number: CN220732762U
Application number: CN202321554986.8U
Authority: CN
Inventors: 陈欢
Original assignee: Shenzhen Pomp Technology Co ltd
Current assignee: Shenzhen Pomp Technology Co ltd
Priority date: 2023-06-19
Filing date: 2023-06-19
Publication date: 2024-04-05
Anticipated expiration: 2033-06-19

Abstract

The utility model discloses an ink screen electronic student card capable of remotely answering questions, which comprises a shell, an ink screen, a key unit, a SIM card holder, a circuit main board, a power interface, a battery, a GPS (global positioning system) locator, a loudspeaker and a pickup, wherein the ink screen, the key unit and the SIM card holder are fixed outside the shell; the shell comprises an upper cover and a lower cover which is connected with the upper cover in a clamping and screwing mode, and the SIM card holder is connected with the upper cover through a screw; the lower cover is provided with a clamping groove, and an MI card is fixed on the clamping groove; the circuit main board is provided with a CPU main control unit, a storage unit, an RFID unit, a SIM card slot, a triaxial sensor, a power management unit and a GPS antenna electrically connected with the GPS locator. The electronic student identity card provided by the utility model adopts the low-power-consumption ink screen as the display screen, so that the remote answering function can be realized, the electronic student identity card is lighter and thinner, and the student identity card is convenient to wear and use.

Description

Ink screen electronic student's certificate capable of remotely answering questions

Technical Field

The utility model relates to the technical field of electronic student certificates, in particular to an ink screen electronic student certificate capable of remotely answering questions.

Background

The electronic student identity card is an intelligent terminal integrating the functions of telephone communication, attendance management, positioning management and traffic cards. The electronic student identity card has the conversation function of the mobile phone, but does not have the function of independently installing app software, and can prevent students from playing mobile phones during class time to influence learning. Moreover, the electronic student certificate is lighter and thinner, has little difference with the common student certificate, is suitable for being worn by students, and can facilitate parents to check the positioning information of the children at any time.

The remote answering function of the electronic student identity card is required to have a larger display screen, and meanwhile, the power consumption is required to be very low, however, at present, the electronic student identity card is mostly provided with an LED display screen, the larger the screen is, the larger the power consumption is, the larger the battery is needed, the volume of the electronic student identity card is increased, and the electronic student identity card is inconvenient to wear.

Therefore, it is necessary to design a low-power consumption large-screen electronic student card capable of realizing the remote answering function, and the student can wear the student conveniently.

Disclosure of Invention

The utility model aims to solve the technical problem of providing the ink screen electronic student identity card capable of remotely answering questions, which can reduce power consumption and is convenient for students to wear.

In order to solve the technical problem of the utility model, the utility model discloses an ink screen electronic student card capable of remotely answering questions, which comprises a shell, an ink screen, a key unit, a SIM card holder, a circuit main board, a power interface, a battery, a GPS (global positioning system) locator, a loudspeaker and a pickup, wherein the ink screen, the key unit and the SIM card holder are fixed outside the shell; the shell comprises an upper cover and a lower cover which is connected with the upper cover in a clamping and screwing mode, and the SIM card holder is connected with the upper cover through screws; a clamping groove is formed in the inner side of the lower cover, and an MI card is fixed on the clamping groove;

the circuit board is provided with a CPU main control unit electrically connected with the key unit, the GPS locator, the ink screen, the loudspeaker, the pickup and the power interface, a storage unit electrically connected with the CPU main control unit, the RFID unit, the SIM card slot and the three-axis sensor, the power interface electrically connected with the battery, the power management unit of the CPU main control unit and the GPS antenna electrically connected with the GPS locator.

Further, the CPU main control unit receives answer instructions sent by an examination management system of a school, and then controls the RFID unit to switch to corresponding frequency points according to the answer instructions, and receives test question information; the ink screen displays the test question information; the CPU main control unit receives answer information of students through the key unit, and sends the answer information to an examination management system of a school after the answer information is cached by the storage unit.

Furthermore, on the circuit board, the GPS antenna is located above the SIM card slot, the CPU main control unit is located below the SIM card slot, the power management unit is located beside the CPU main control unit, and the RFID unit is located above the power management unit.

Further, the loudspeaker is connected with the CPU main control unit through an SPK interface; and the pickup is connected with the CPU main control unit through an MIC interface.

Further, the key unit comprises a menu key, an up direction key, a down direction key, a return key, an on-off key/dial key and an SOS help key.

Further, the menu key, the up direction key, the down direction key, the back key, and the on/off/dial key are 1, 2, 3, 4, and 5 number keys, respectively.

Furthermore, the CPU main control unit is a low-power consumption CPU control chip integrated with the 4G communication module.

Further, the triaxial sensor is connected with the CPU main control unit through an I2C bus; the GPS locator is connected with the CPU main control unit through a UART bus.

Furthermore, the circuit main board is also provided with a radio frequency communication unit electrically connected with the CPU main control unit.

Furthermore, on the circuit board, the radio frequency communication unit is located below the SIM card slot and beside the CPU main control unit.

Compared with the prior art, the utility model has the following beneficial effects: the electronic student identity card provided by the utility model adopts the low-power-consumption ink screen as the display screen, so that the remote answering function can be realized, the electronic student identity card is lighter and thinner, and the student identity card is convenient to wear and use.

Drawings

FIG. 1 is a front block diagram of an ink screen electronic student identity card capable of remotely answering questions in an embodiment of the utility model;

FIG. 2 is an exploded view of an ink screen electronic student identity card capable of remotely answering questions in accordance with an embodiment of the present utility model;

FIG. 3 is an exploded view of an ink screen electronic student identity card capable of remotely answering questions in accordance with one embodiment of the present utility model;

fig. 4 is a circuit board structure diagram of an ink screen electronic student identity card capable of remotely answering questions according to another embodiment of the present utility model;

FIG. 5 is a circuit diagram of an electronic student's card with an ink screen for remote answering according to one embodiment of the present utility model;

fig. 6 is a circuit connection diagram of an ink screen electronic student identity card capable of remotely answering questions according to another embodiment of the present utility model.

Description of the reference numerals: 1. a housing; 2. an ink screen; 3. a key unit; 4. an upper cover; 5. a battery; 6. a sound pickup; 7. a speaker; 8. a circuit motherboard; 9. a power interface; SIM card holder; an M1 card; 12. a lower cover; 13. a clamping groove; a gps antenna; SIM card slot; 16. a radio frequency communication unit; an rfid unit; CPU master control unit; 19. and a power management unit.

Detailed Description

The utility model will now be described in further detail with reference to the drawings and examples. It should be understood that the detailed description and specific examples, while indicating and illustrating the utility model, are not intended to limit the utility model.

In the present utility model, unless otherwise indicated, terms of orientation such as "upper, lower, left, right, front, rear, lateral, longitudinal, radial, axial, circumferential, vertical, horizontal" are used to refer generally to the directions of upper, lower, left, right, front, rear, lateral, longitudinal, radial, axial, circumferential, vertical, horizontal in the drawings, and terms of orientation such as "inner, outer, bottom, top, center" are used to refer to the positions of inner, outer, bottom, top, center relative to the outline of a component. These directional terms are used herein to facilitate the description of the embodiments of the utility model and are not meant to indicate that the apparatus or component is in any particular orientation or position, and those skilled in the art may adjust the orientation or position of the component according to the actual situation without affecting the practice of the embodiments.

As shown in fig. 1, 2 and 3, the ink screen electronic student card of the embodiment of the present utility model includes a housing 1, an ink screen 2 fixed outside the housing 1, a key unit 3 and a SIM card holder 10, a circuit board 8 fixed inside the housing 1, and a power interface 9, a battery 5, a GPS (Global Positioning System ) locator, a speaker 7 and a pickup 6 connected to the circuit board 8.

The shell 1 comprises an upper cover 4 and a lower cover 12 connected with the upper cover 4 in a clamping and screwing mode, and the SIM card holder 10 is connected with the upper cover 4 through screws. If the SIM card needs to be replaced, the user can be replaced by unscrewing the screw, so that the student can be prevented from randomly replacing the SIM card, and the loss of the SIM card is avoided.

The ink screen 2 is fixed on the lens through back glue, and the lens is fixed on the upper cover 4 through back glue.

The inner side of the lower cover 12 is provided with a clamping groove 13, and an M1 card 11 is fixed on the clamping groove 13. The M1 card 11 is a magnetic card for paying fees, which is bound with identity information of students, and can be written into a payment account of students in a dining room of a school, and can be used for paying dinner fees in the dining room, and also can be written into a payment account of students in a public transport group, and can be used for taking buses, and can also be used for other payment scenes.

The key unit 3 includes a menu key, an up direction key, a down direction key, a back key, an on/off key/dial key, and an SOS help key. Wherein, the menu key, the up direction key, the down direction key, the return key, the on-off key/dial key, and the 1, 2, 3, 4, 5 number keys respectively. Specifically, the key unit 3 receives the instruction to set the relative number, the ink screen 2 displays the contact phone recorded in the SIM card unit, and the CPU main control unit 18 receives and stores the relative number set by the user, and sets the menu key, the up direction key, and/or the down direction key as the shortcut dial key of the relative number. In addition, in this embodiment, the SOS distress key and the on/off key/dial key are located at left and right positions, and the menu key, the up direction key, the down direction key, and the return key are located above the SOS distress key and the on/off key/dial key, and are arranged in a line.

In this embodiment, the circuit board 8 is provided with a CPU main control unit 18 electrically connected to the key unit 3, the GPS locator, the ink screen 2, the speaker 7, the pickup 6 and the power interface 9, a memory unit electrically connected to the CPU main control unit 18, the RFID unit 17, the SIM card slot 15 and the tri-axis sensor, a power management unit 19 electrically connected to the power interface 9, the battery 5 and the CPU main control unit 18, and a GPS antenna 14 electrically connected to the GPS locator.

Specifically, the circuit board 8 is L-shaped overall, and the battery 5 is fixed at the L-shaped notch of the circuit board 8.

On the circuit board, the GPS antenna 14 is located above the SIM card slot 15, the CPU main control unit 18 is located below the SIM card slot 15, the power management unit 19 is located beside the CPU main control unit 18, and the RFID unit 17 is located above the power management unit 19.

Specifically, as shown in fig. 5, a circuit connection diagram of the electronic student identity card of the present embodiment is shown. The loudspeaker 7 is connected with the CPU main control unit 18 through an SPK interface; the pickup 6 is connected to the CPU master control unit 18 through a MIC interface. The speaker 7 is fixed at an upper position of the circuit board 8, and the sound pickup 6 and the power supply interface 9 are fixed at a lower position of the circuit board 8. The triaxial sensor is connected to the CPU master control unit 18 via an I2C bus. The GPS locator is connected with the CPU master control unit 18 through a UART (Universal Asynchronous Receiver/Transmitter) bus.

In this embodiment, the CPU master control unit 18 may receive a response instruction sent by the examination management system of the school through a 4G or 5G communication network or through a school lan, and then control the RFID unit 17 to switch to a corresponding frequency point according to the response instruction, receive test question information, and display the test question information through the ink screen 2. The CPU main control unit 18 receives answering information of students through the key unit 3, and sends the answering information to the examination management system through the 4G or 5G communication network or the school LAN after the answering information is cached by the storage unit, so that a remote interactive answering function is realized.

In addition, in order to reduce power consumption, in this embodiment, the CPU main control unit 18 is a low power consumption CPU control chip integrated with a 4G communication module and a 4G communication antenna, and may be a USI8910FF chip, and the power management unit 19 may be a USP8910PMU chip.

Referring to fig. 4 and 6, a circuit board structure diagram and a circuit connection diagram of an electronic student identity card according to another embodiment of the present utility model are shown. In this embodiment, the CPU master control unit 18 is a CAT1 module chip integrated with a 4G communication function, and is externally connected with the radio frequency communication unit 16, so that the product cost can be further reduced, and the power consumption is lower.

On the circuit board 8, a radio frequency communication unit 16 is located below the SIM card slot 15 and beside the CPU main control unit 18.

In summary, the electronic student certificate provided by the utility model adopts the low-power-consumption ink screen as the display screen, so that the remote answering function can be realized, the electronic student certificate is lighter and thinner, and the electronic student certificate is convenient for students to wear.

While the foregoing is directed to the preferred embodiment, other and further embodiments of the utility model will be described in detail herein, with the understanding that the present disclosure is to be considered as an exemplification of the principles of the utility model and is not intended to limit the utility model to the specific embodiment illustrated and the embodiments illustrated, and any modifications, equivalents, improvements or changes which fall within the spirit and principles of the utility model are intended to be included within the scope of the utility model as set forth in the appended claims.

Claims

1. The ink screen electronic student card capable of remotely answering questions is characterized by comprising a shell, an ink screen, a key unit, a SIM card holder, a circuit main board, a power interface, a battery, a GPS (global positioning system) locator, a loudspeaker and a pickup, wherein the ink screen, the key unit and the SIM card holder are fixed outside the shell; the shell comprises an upper cover and a lower cover which is connected with the upper cover in a clamping and screwing mode, and the SIM card holder is connected with the upper cover through screws; a clamping groove is formed in the inner side of the lower cover, and an MI card is fixed on the clamping groove;

2. The remote answering ink screen electronic student card of claim 1, wherein the CPU main control unit receives an answering instruction sent by an examination management system of a school, and then controls the RFID unit to switch to a corresponding frequency point according to the answering instruction to receive test question information; the ink screen displays the test question information; the CPU main control unit receives answer information of students through the key unit, and sends the answer information to an examination management system of a school after the answer information is cached by the storage unit.

3. The remote answering ink screen electronic student card of claim 1, wherein on the circuit board, the GPS antenna is located above the SIM card slot, the CPU master control unit is located below the SIM card slot, the power management unit is located beside the CPU master control unit, and the RFID unit is located above the power management unit.

4. The remote answering ink screen electronic student's card of claim 1, wherein the speaker is connected with the CPU main control unit through an SPK interface; and the pickup is connected with the CPU main control unit through an MIC interface.

5. The remote answering ink screen electronic student's card of claim 1, wherein the key unit comprises a menu key, an up direction key, a down direction key, a back key, an on/off key/dial key and an SOS help key.

6. The remote answering ink screen electronic student's card of claim 5, wherein the menu key, the up direction key, the down direction key, the back key, and the on/off/dial keys are 1, 2, 3, 4, and 5 number keys, respectively.

7. The remote answering ink screen electronic student card of claim 1, wherein the CPU master control unit is a low power consumption CPU control chip integrated with a 4G communication module.

8. The remote answering ink screen electronic student's card of claim 1, wherein the triaxial sensor is connected with the CPU main control unit through an I2C bus; the GPS locator is connected with the CPU main control unit through a UART bus.

9. The remote answering ink screen electronic student card of claim 1, wherein the circuit board is further provided with a radio frequency communication unit electrically connected with the CPU master control unit.

10. The remote answering ink screen electronic student's card of claim 9, wherein on the circuit board, the radio frequency communication unit is located below the SIM card slot and beside the CPU master control unit.