Intelligent schoolbag with solar panel for charging

Abstract

The invention relates to the field of intelligent schoolbags, in particular to an intelligent schoolbag with a solar panel for charging, which comprises an intelligent schoolbag main body, the middle of the front end of the intelligent schoolbag main body is detachably connected with an electronic device box assembly, and the interior of the intelligent schoolbag main body is detachably connected with an NFC book. The solar panel can convert light energy into electric energy and store the electric energy, power is continuously supplied to the schoolbag function, autonomous endurance is achieved, frequent dependence on external charging is not needed, the use convenience is greatly improved, article recognition and reminding depend on the NFC technology, after a label is pasted to an article, the article is recognized and processed after being put into a bag, and carried and uncarried articles are displayed on the display screen; in cooperation with a warning function and user-defined priority setting, article omission is effectively avoided, and the sorting efficiency is improved; and after the strap pressure sensor detects that the schoolbag is in the use state, the gyroscope is started and senses the posture of the user, and once the schoolbag is recognized to fall down, information is immediately pushed to a preset contact person to guarantee the safety of the user.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of intelligent school bags, in particular to an intelligent school bag with a solar panel charging function. BACKGROUND

[0002] A school bag is a portable bag used for carrying books, stationery, personal items, etc., and is widely used in students, office workers and daily travel scenes, etc., in order to further improve the convenience, safety and practicality of use, modern school bags are constantly integrating intelligent functions, realizing the upgrade from traditional storage tools to multifunctional portable devices.

[0003] The current intelligent school bag still has three significant limitations in actual use: lack of automatic recognition ability for books, stationery and other items, which leads to the user's easy omission of the required subjects, item lists and learning supplies when organizing, making it difficult to achieve efficient storage and checking; power supply depends on external power supply, which cannot independently supplement power, not only shortens the battery life, but also limits the flexible use of outdoor scenes due to the charging demand; and it does not have a personnel state detection function, if the user carrying the school bag falls down or other accidents occur, the system cannot automatically trigger the terminal notification, which has the risk of safety response lag.

[0004] Therefore, the present application provides an intelligent school bag with a solar panel charging function to solve the above problems. SUMMARY

[0005] In the present application, the solar panel converts light energy into electrical energy for storage, which powers the intelligent functions, realizes autonomous battery life, and improves the convenience of use; the item recognition and reminder are realized through NFC technology, the items with labels are recognized after being put into the bag, and the carried and uncarried items are displayed after processing, which avoids omission and improves efficiency through warning and custom functions; in terms of safety protection, the backpack pressure sensor detects the use state, the gyroscope senses the posture, and the information is pushed to the contacts after falling down, which ensures the safety of the user.

[0006] To achieve the above purpose, the present application provides the following technical scheme: an intelligent school bag body is composed of a bearing part and a detection part, an electronic device box assembly is detachably connected to the middle part of the front end of the intelligent school bag body, an NFC book is detachably connected inside the intelligent school bag body, an SPI communication and power supply bus is arranged between the intelligent school bag body and the electronic device box assembly, and the intelligent school bag body is connected with the electronic device box assembly through the SPI communication and power supply bus for power supply and communication connection.

[0007] The intelligent schoolbag body includes a storage schoolbag and a schoolbag base, a shoulder strap is sewn at the rear end of the storage schoolbag, a handle is sewn at the upper end of the storage schoolbag, an embedded slot is formed at the front end of the storage schoolbag, the schoolbag base is sewn at the lower end of the storage schoolbag, a mounting plate is detachably connected to the upper end of the schoolbag base, a three-axis acceleration gyroscope and an NFC identification module are welded at the upper end of the mounting plate, a communication module is welded at one side of the upper end of the mounting plate, and a warning controller is welded at the other side of the upper end of the mounting plate, and the middle part is detachably connected to a pressure sensor.

[0008] The electronic device box assembly includes a bottom shell, an upper cover is detachably connected to the front end of the bottom shell, a lithium battery is detachably connected above the rear end of the upper cover, a PCBA circuit board is detachably connected below the rear end of the upper cover, a display screen is detachably connected above the front end of the upper cover, and a solar panel body is detachably connected below the front end of the upper cover.

[0009] The NFC book includes a book body, and an adhesive NFC tag is adhesively connected to the middle part of the front end of the book body.

[0010] The three-axis acceleration gyroscope, the NFC identification module and the communication module are electrically connected to the middle part of one side of the warning controller, and the middle part of the pressure sensor is electrically connected to the middle part of the rear end of the warning controller.

[0011] The upper end of the schoolbag base is detachably connected to the lower end of the three-axis acceleration gyroscope, the NFC identification module, the communication module and the warning controller through the mounting plate.

[0012] The inside of the storage schoolbag is detachably connected to the outer surface of the four sides of the book body, the middle part of the storage schoolbag is electrically connected to the adhesive NFC tag, and the middle part of the front end of the storage schoolbag is detachably connected to the outer surface of the four sides of the bottom shell through the embedded slot.

[0013] The middle part of the rear end of the solar panel body is electrically connected to the lower end of one side of the lithium battery, and the lithium battery is electrically connected to the PCBA circuit board, the display screen, the storage schoolbag and the warning controller.

[0014] The PCBA circuit board is electrically connected to the display screen, the storage schoolbag and the warning controller.

[0015] Compared with the prior art, the present application has the following advantages: 1. The solar panel on the surface of the backpack in this invention converts light energy into electrical energy through the photovoltaic effect. After processing by a voltage regulator circuit, the electrical energy is stored in the built-in battery, providing continuous power for smart functions such as NFC recognition and display. The advantage is that it achieves self-generation, eliminating the need for an external power source, effectively extending battery life, allowing the backpack to operate stably in various scenarios, and improving ease of use.

[0016] 2. This invention first attaches adhesive NFC tags to the main body of books and stationery for different subjects. When the tagged items are placed in the backpack, the backpack's built-in NFC identification module enters the effective communication range of -cm with the tag. After the tag is activated, it feeds back the item information to the identification module via electromagnetic waves. After the information is transmitted to the PCBA circuit board for processing, it controls the display screen to show the identified content. At the same time, the system automatically compares with the preset list and displays the items not carried. There is also a flashing or vibration warning for not carrying important items. It also supports custom priority subjects. The advantages are that it can accurately identify items, automatically remind you of forgotten items, avoid affecting your studies due to forgetting to bring school supplies, and the customization function makes study preparation more in line with your personal needs, improving efficiency.

[0017] 3. When the backpack is carried using two sets of shoulder straps, the pressure sensors on the straps detect that the backpack is in use, and the three-axis accelerometer gyroscope is activated to sense the user's posture. Once a fall is detected, the warning controller immediately controls the communication module to push the fall information and location to a preset contact's mobile terminal. The advantage is that it can monitor the user's status in real time and quickly issue a warning in the event of a fall, allowing contacts to be informed of the situation and take rescue measures, thus ensuring the user's safety. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the disassembled structure of the present invention; Figure 3 This is a schematic diagram of the unfolded structure of the present invention; Figure 4 This is a diagram showing the unfolded structure of the book according to the present invention; Figure 5 This is a schematic diagram of the internal electronic components of the book according to the present invention; Figure 6 This is a cross-sectional view of the electronic device box assembly of the present invention; Figure 7 This is an unfolded structural diagram of the electronic device box of the present invention; Figure 8 This is a partially enlarged structural schematic diagram of the present invention; Figure 9 This is a schematic diagram of the front-end structure of the present invention. In the figure: 1, the main body of the intelligent schoolbag; 2, the electronic device box assembly; 3, the NFC book; 11, the storage schoolbag; 12, the shoulder strap; 13, the handle; 14, the embedded slot; 15, the schoolbag base; 16, the mounting bottom plate; 17, the three-axis acceleration gyroscope; 18, the NFC identification module; 19, the communication module; 110, the early warning controller; 111, the pressure sensor; 21, the bottom shell; 22, the upper cover; 23, the PCBA circuit board; 24, the lithium battery; 25, the display screen; 26, the solar panel body; 31, the book main body; 32, the adhesive NFC tag. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor are within the scope of protection of the present application.

[0020] The present application provides an intelligent schoolbag with a solar panel charging, comprising an intelligent schoolbag main body 1, the intelligent schoolbag main body 1 is composed of a bearing part and a detection part, the front end middle part of the intelligent schoolbag main body 1 is detachably connected with an electronic device box assembly 2, the inside of the intelligent schoolbag main body 1 is detachably connected with an NFC book 3, the intelligent schoolbag main body 1 and the electronic device box assembly 2 are provided with SPI communication and power supply bus, the intelligent schoolbag main body 1 is connected with the electronic device box assembly 2 through the SPI communication and power supply bus for power supply and communication.

[0021] In an optional embodiment, the smart schoolbag body 1 comprises a storage bag 11 and a schoolbag base 15, the rear end of the storage bag 11 is sewn with a shoulder strap 12, the upper end of the middle of the storage bag 11 is sewn with a handle 13, the front end of the middle of the storage bag 11 is provided with an embedded slot 14, the lower end of the outer surface of the storage bag 11 is sewn with the schoolbag base 15, the upper end of the outer surface of the schoolbag base 15 is detachably connected with a mounting plate 16, the upper end of the middle of the mounting plate 16 is welded with a three-axis acceleration gyroscope 17 and an NFC identification module 18, the upper end of one side of the mounting plate 16 is welded with a communication module 19, the upper end of the other side of the mounting plate 16 is welded with a warning controller 110, the middle of the shoulder strap 12 is detachably connected with a pressure sensor 111, and the storage bag 11 can be conveniently carried through the shoulder strap 12 or the handle 13; the NFC identification module 18 inside the storage bag 11 can accurately identify the book body 31 with the adhesive NFC tag 32. When two shoulder straps 12 are used to carry the storage bag 11, after the pressure sensor 111 on the shoulder strap 12 detects that the schoolbag is in use, the three-axis acceleration gyroscope 17 starts to sense the body posture of the user, and as soon as an abnormal change is captured and a falling state is quickly identified, the warning controller 110 will immediately control the communication module 19 to push the falling information and the position to the mobile terminal of the preset contact person, so as to realize safety warning.

[0022] In an optional embodiment, the electronic device box assembly 2 comprises a bottom shell 21, the front end of the outer surface of the bottom shell 21 is detachably connected with an upper cover 22, the upper end of the rear end of the upper cover 22 is detachably connected with a lithium battery 24, the lower end of the rear end of the upper cover 22 is detachably connected with a PCBA circuit board 23, the upper end of the front end of the upper cover 22 is detachably connected with a display screen 25, and the lower end of the front end of the upper cover 22 is detachably connected with a solar panel body 26. The solar panel 26 converts light energy into electrical energy for storage and power supply for NFC identification, display and other functions; the PCBA circuit board 23 controls the display screen 25 to synchronously display the subjects or stationery information that are not taken. The adhesive NFC tag 32 is attached to the book 31 and the stationery, and after being put into the schoolbag 11, the built-in NFC identification module reads the information and transmits it to the PCBA circuit board 23, so that the display screen 25 displays the taken items and prompts the not taken items, thereby improving the endurance and use efficiency.

[0023] In an optional embodiment, the NFC book 3 comprises a book body 31, and the front end of the middle of the book body 31 is adhesively connected with an adhesive NFC tag 32. By installing the adhesive NFC tag 32 on the book body 31, subject identification can be accurately completed.

[0024] In an optional embodiment, the middle of one side of the triaxial acceleration gyroscope 17, the NFC identification module 18 and the communication module 19 is electrically connected to the middle of one side of the early warning controller 110, and the middle of the pressure sensor 111 is electrically connected to the middle of the rear end of the early warning controller 110. First, the pressure sensor 111 on the back strap 12 detects that the bag is in a use state, and then triggers the early warning controller 110 to start the triaxial acceleration gyroscope 17 to start real-time sensing of the human body posture of the user. Once an abnormal change is captured and a fall state is quickly identified, the early warning controller 110 will immediately control the communication module 19 to push the fall information and location to the mobile terminal of the preset contact person, realizing safety warning.

[0025] In an optional embodiment, the outer surface of the upper end of the bag base 15 is detachably connected to the outer surface of the lower end of the triaxial acceleration gyroscope 17, the NFC identification module 18, the communication module 19 and the early warning controller 110 through the mounting bottom plate 16. The triaxial acceleration gyroscope 17, the NFC identification module 18, the communication module 19 and the early warning controller 110 are mounted to the bag base 15 through the mounting bottom plate 16.

[0026] In an optional embodiment, the inside of the storage bag 11 is detachably connected to the outer surface of the four around of the book body 31, the middle of the storage bag 11 is electrically connected to the adhesive NFC tag 32, and the middle of the front end of the storage bag 11 is detachably connected to the outer surface of the four around of the bottom shell 21 through the embedded slot 14. The storage bag 11 not only bears the load function of the book, but also can accurately identify the book body 31 with the adhesive NFC tag 32 through the NFC identification module 18 in the inside of the storage bag 11. The front end slot 14 of the NFC identification module storage bag 11 can accurately complete the installation restriction of the bottom shell 21, ensuring the stability of the internal components.

[0027] In an optional embodiment, the middle of the rear end of the solar panel body 26 is electrically connected to the lower end of one side of the lithium battery 24, and the lithium battery 24 is electrically connected to the PCBA circuit board 23, the display screen 25, the storage bag 11 and the early warning controller 110. The solar panel 26 converts light energy into electrical energy through the photovoltaic effect, and stores the electrical energy in the lithium battery 24 after circuit processing. The lithium battery 24 completes the power supply work of the PCBA circuit board 23, the display screen 25 and the NFC identification module storage bag 11.

[0028] In an optional embodiment, the PCBA circuit board 23 is electrically connected to the display screen 25, the storage bag 11 and the early warning controller 110. After power supply, the PCBA circuit board 23 completes the control work of the display screen 25 and the NFC identification module storage bag 11.

[0029] Working principle: the working principle of the present application is realized through the synergistic operation of three systems: in the power supply system, the solar panel 26 on the surface of the schoolbag is composed of multiple photovoltaic units, which directly converts solar energy into direct current through the photovoltaic effect, and after voltage stabilization and current limiting treatment by the charging management circuit, it is stored in the built-in lithium battery with a capacity of 2000mAh, the battery outputs 5V stable voltage, which continuously powers the NFC identification module, 1.5 inch OLED display screen 25, PCBA circuit board 23 and other intelligent components, and can realize 72 hours of endurance under the condition of 4 hours of daily light; the article identification and reminding system relies on NFC near field communication technology, and before use, the adhesive NFC tag 32 with frequency 13.56MHz with subject code and article attribute written in is pasted on the book main body 31 and the surface of the stationery, when the article is put into the inside of the schoolbag 11, the built-in NFC identification module emits electromagnetic waves with a read-write distance of 0-10cm, the tag acquires energy through antenna coupling and activates, and stores information at a rate of 106kbps Feedback to the identification module, the information is transmitted to the MCU chip of the PCBA circuit board 23 through the SPI interface, after database comparison, the display screen 25 displays the identified and uncarried articles in two columns, when the article is detected to be missing, the display screen backlight flashes at a frequency of 2Hz and triggers the built-in buzzer to emit a prompt sound at 80dB, supporting 3 groups of priority list customization; in the safety protection system, when the pressure sensor 111 inside the back strap 12 detects a pressure signal lasting more than 2 seconds, it is determined that the schoolbag is in use, the pre-warning controller 110 is awakened through the I2C bus, and the controller starts the three-axis acceleration gyroscope 17 immediately, the measurement range is ±16g, and the human body motion data is collected in real time, when the vertical acceleration is detected to be greater than 8g and the inclination angle is greater than 70°, the fall information containing GPS positioning error ±5 meters is pushed to the preset contact person's mobile phone APP through the 4g communication module 19, and the schoolbag display screen 25 is triggered to flash the warning light, forming multiple safety protection.

[0030] Although embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A smart backpack with solar panel charging, comprising a smart backpack body (1), characterized in that, The smart backpack body (1) consists of a carrying part and a detection part. An electronic device box assembly (2) is detachably connected to the front middle of the smart backpack body (1). An NFC book (3) is detachably connected inside the smart backpack body (1). An SPI communication and power supply bus is set between the smart backpack body (1) and the electronic device box assembly (2). The smart backpack body (1) is connected to the electronic device box assembly (2) for power supply and communication through the SPI communication and power supply bus.

2. The smart backpack with solar panel charging according to claim 1, characterized in that, The main body (1) of the smart backpack includes a storage backpack (11) and a backpack base (15). The back end of the storage backpack (11) is sewn with a shoulder strap (12). The upper middle part of the storage backpack (11) is sewn with a handle (13). The front middle part of the storage backpack (11) has an embedded slot (14). The lower outer surface of the storage backpack (11) is sewn with a backpack base (15). The upper outer surface of the backpack base (15) is detachably connected with a mounting base plate (16). The upper middle part of the mounting base plate (16) is welded with a three-axis accelerometer gyroscope (17) and an NFC identification module (18). The upper one side of the mounting base plate (16) is welded with a communication module (19). The other side of the upper end of the mounting base plate (16) is welded with a warning controller (110). The middle part of the (12) is detachably connected with a pressure sensor (111).

3. The smart backpack with solar panel charging according to claim 1, characterized in that, The electronic device box assembly (2) includes a bottom shell (21), a top cover (22) is detachably connected to the front outer surface of the bottom shell (21), a lithium battery (24) is detachably connected to the rear upper part of the top cover (22), a PCBA circuit board (23) is detachably connected to the rear lower part of the top cover (22), a display screen (25) is detachably connected to the front upper part of the top cover (22), and a solar panel (26) is detachably connected to the front lower part of the top cover (22).

4. A smart backpack with solar panel charging according to claim 1, characterized in that, The NFC book (3) includes a book body (31), and an adhesive NFC tag (32) is glued to the front center of the book body (31).

5. A smart backpack with solar panel charging according to claim 1, characterized in that, The middle of one side of the three-axis accelerometer gyroscope (17), the NFC identification module (18) and the communication module (19) are electrically connected to the middle of one side of the early warning controller (110), and the middle of the pressure sensor (111) is electrically connected to the middle of the rear end of the early warning controller (110).

6. A smart backpack with solar panel charging according to claim 5, characterized in that, The upper outer surface of the backpack base (15) is detachably connected to the lower outer surface of the three-axis accelerometer gyroscope (17), NFC identification module (18), communication module (19) and early warning controller (110) via a mounting base plate (16).

7. A smart backpack with solar panel charging according to claim 1, characterized in that, The interior of the storage bag (11) is detachably connected to the outer surface of the book body (31). The middle part of the storage bag (11) is electrically connected to the adhesive NFC tag (32). The front middle part of the storage bag (11) is detachably connected to the outer surface of the bottom shell (21) through an embedded slot (14).

8. A smart backpack with solar panel charging according to claim 1, characterized in that, The solar panel (26) is electrically connected to the lower side of the lithium battery (24) at the middle of its rear end. The lithium battery (24) is electrically connected to the PCBA circuit board (23), the display screen (25), the storage bag (11), and the early warning controller (110).

9. A smart backpack with solar panel charging according to claim 1, characterized in that, The PCBA circuit board (23) is electrically connected to the display screen (25), the storage bag (11), and the early warning controller (110).

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