CN214475967U - Low-cost four rotor unmanned aerial vehicle for teaching - Google Patents
Low-cost four rotor unmanned aerial vehicle for teaching Download PDFInfo
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- CN214475967U CN214475967U CN202120641254.7U CN202120641254U CN214475967U CN 214475967 U CN214475967 U CN 214475967U CN 202120641254 U CN202120641254 U CN 202120641254U CN 214475967 U CN214475967 U CN 214475967U
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- 229910052744 lithium Inorganic materials 0.000 claims abstract description 11
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 10
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims description 2
- 239000003365 glass fiber Substances 0.000 claims description 2
- 229910001416 lithium ion Inorganic materials 0.000 claims description 2
- 238000000034 method Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
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Abstract
The utility model relates to an unmanned aerial vehicle is used in the teaching, specifically is a four rotor unmanned aerial vehicle are used in low-cost teaching. The utility model provides a traditional unmanned aerial vehicle for teaching lead to the problem that the teaching cost is high. A low-cost four-rotor unmanned aerial vehicle for teaching comprises an X-shaped printed circuit board; the upper surface of the X-shaped printed circuit board is respectively provided with an STM32F411 microcontroller, an MPU9250 attitude sensor, a BMP280 air pressure sensor, an NRF51822 Bluetooth module, a 2450BM15A0002 balun filter, an RFX2401C radio frequency transceiver, an XC6204B302 low-dropout linear regulator and a lithium battery; the lower surfaces of four beam arms of the X-shaped printed circuit board are respectively fixedly attached with a strip-shaped base plate, and the outer ends of the four strip-shaped base plates correspondingly exceed the outer ends of the four beam arms of the X-shaped printed circuit board one by one; the outer ends of the four strip-shaped seat boards are respectively provided with a motor mounting hole which is communicated up and down, and a hollow cup motor is fixedly arranged in each of the four motor mounting holes in a penetrating way; the utility model is suitable for an unmanned aerial vehicle specialty course teaching.
Description
Technical Field
The utility model relates to an unmanned aerial vehicle is used in the teaching, specifically is a four rotor unmanned aerial vehicle are used in low-cost teaching.
Background
Unmanned aerial vehicle for teaching refers to a type of unmanned aerial vehicle that is used for unmanned aerial vehicle specialty course teaching specially. The unmanned aerial vehicle for teaching is because use frequently, and its spoilage is very high, and traditional unmanned aerial vehicle for teaching is because the structure is complicated, the device is in large quantity, and its manufacturing cost and acquisition cost are all very high. High cost is overlapped with high damage rate, and high teaching cost is inevitably caused. Therefore, a low-cost teaching quad-rotor unmanned aerial vehicle is needed to be invented to solve the problem that the teaching cost is high due to the traditional teaching unmanned aerial vehicle.
Disclosure of Invention
The utility model discloses a solve traditional unmanned aerial vehicle for teaching and lead to the problem that the teaching cost is high, provide a low-cost four rotor unmanned aerial vehicle for teaching.
The utility model discloses an adopt following technical scheme to realize:
a low-cost four-rotor unmanned aerial vehicle for teaching comprises an X-shaped printed circuit board;
the upper surface of the X-shaped printed circuit board is respectively provided with an STM32F411 microcontroller, an MPU9250 attitude sensor, a BMP280 air pressure sensor, an NRF51822 Bluetooth module, a 2450BM15A0002 balun filter, an RFX2401C radio frequency transceiver, an XC6204B302 low-dropout linear regulator and a lithium battery; the lower surfaces of four beam arms of the X-shaped printed circuit board are respectively fixedly attached with a strip-shaped base plate, and the outer ends of the four strip-shaped base plates correspondingly exceed the outer ends of the four beam arms of the X-shaped printed circuit board one by one; the outer ends of the four strip-shaped seat boards are respectively provided with a motor mounting hole which is communicated up and down, and a hollow cup motor is fixedly arranged in each of the four motor mounting holes in a penetrating way; the output shafts of the four hollow cup motors are respectively fixedly provided with a propeller;
the output end of the MPU9250 attitude sensor and the output end of the BMP280 air pressure sensor are connected with the input end of the STM32F411 microcontroller through the conducting wires of the X-shaped printed circuit board; the NRF51822 Bluetooth module is bidirectionally connected with the STM32F411 microcontroller through a lead of the X-shaped printed circuit board; the 2450BM15A0002 balun filter is bidirectionally connected with the NRF51822 Bluetooth module through a lead of the X-shaped printed circuit board; the RFX2401C radio frequency transceiver is connected with the 2450BM15A0002 balun filter bidirectionally through the lead of the X-shaped printed circuit board; the output end of the lithium battery is connected with the input end of the XC6204B302 low dropout linear regulator through a lead of the X-shaped printed circuit board; the output end of the XC6204B302 low dropout linear regulator is respectively connected with the power supply end of an STM32F411 microcontroller, the power supply end of an MPU9250 attitude sensor, the power supply end of a BMP280 air pressure sensor, the power supply end of an NRF51822 Bluetooth module, the power supply end of a 2450BM15A0002 balun filter and the power supply end of an RFX2401C radio frequency transceiver through leads of an X-shaped printed circuit board; and the control ends of the four coreless motors are connected with the output end of the STM32F411 microcontroller.
The specific working process is as follows: in the teaching process of unmanned aerial vehicle specialty course, MPU9250 attitude sensor is responsible for gathering flight attitude information to transmit flight attitude information to STM32F411 microcontroller. The BMP280 air pressure sensor is responsible for collecting environmental air pressure information and transmitting the environmental air pressure information to the STM32F411 microcontroller. The NRF51822 Bluetooth module, the 2450BM15A0002 balun filter and the RFX2401C radio frequency transceiver are jointly responsible for wireless communication between the STM32F411 microcontroller and external equipment (on one hand, information from the STM32F411 microcontroller is transmitted to the external equipment through the NRF51822 Bluetooth module, the 2450BM15A0002 balun filter and the RFX2401C radio frequency transceiver in sequence, thereby realizing wireless transmission of the information, on the other hand, the information from the external equipment is transmitted to the STM32F411 microcontroller through the RFX2401C radio frequency transceiver, the 2450BM15A0002 balun filter and the NRF51822 bluetooth module in sequence, thereby realizing wireless reception of the information). The output voltage of the lithium battery is converted by an XC6204B302 low dropout linear regulator and then is respectively supplied to an STM32F411 microcontroller, an MPU9250 attitude sensor, a BMP280 air pressure sensor, an NRF51822 Bluetooth module, a 2450BM15A0002 balun filter and an RFX2401C radio frequency transceiver, so that the normal work of the devices is ensured. The four coreless motors are controlled by the STM32F411 microcontroller. The four propellers are driven by four coreless motors.
Based on above-mentioned process, compare with traditional unmanned aerial vehicle for teaching, a low-cost four rotor unmanned aerial vehicle for teaching under the prerequisite that satisfies the teaching demand, through adopting the integrated design (with each device integrated design on X shape printed circuit board, X shape printed circuit board both had acted as the frame, acted as the information transmission carrier again), effectively simplified the structure, effectively reduced device quantity, reduced manufacturing cost and acquisition cost by a wide margin from this to the teaching cost has been reduced by a wide margin.
The utility model discloses rational in infrastructure, design benefit have effectively solved traditional unmanned aerial vehicle for teaching and have leaded to the problem that the teaching cost is high, are applicable to the teaching of unmanned aerial vehicle specialty course.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic block diagram of the present invention.
In the figure: the system comprises a 1-X-shaped printed circuit board, a 2-STM32F411 microcontroller, a 3-MPU9250 attitude sensor, a 4-BMP280 air pressure sensor, a 5-NRF51822 Bluetooth module, a 6-2450BM15A0002 balun filter, a 7-RFX2401C radio frequency transceiver, an 8-XC6204B302 low-dropout linear voltage regulator, a 9-lithium battery, a 10-strip-shaped seat plate, an 11-hollow cup motor and a 12-propeller.
Detailed Description
A low-cost four-rotor unmanned aerial vehicle for teaching comprises an X-shaped printed circuit board 1;
the upper surface of the X-shaped printed circuit board 1 is respectively provided with an STM32F411 microcontroller 2, an MPU9250 attitude sensor 3, a BMP280 air pressure sensor 4, an NRF51822 Bluetooth module 5, a 2450BM15A0002 balun filter 6, an RFX2401C radio frequency transceiver 7, an XC6204B302 low dropout linear regulator 8 and a lithium battery 9; the lower surfaces of four beam arms of the X-shaped printed circuit board 1 are respectively fixedly attached with a strip-shaped seat plate 10, and the outer ends of the four strip-shaped seat plates 10 correspondingly exceed the outer ends of the four beam arms of the X-shaped printed circuit board 1 one by one; the outer ends of the four strip-shaped seat boards 10 are respectively provided with a motor mounting hole which is communicated up and down, and a hollow cup motor 11 is fixedly arranged in each of the four motor mounting holes in a penetrating way; the output shafts of the four coreless motors 11 are respectively fixedly provided with a propeller 12;
the output end of the MPU9250 attitude sensor 3 and the output end of the BMP280 air pressure sensor 4 are connected with the input end of the STM32F411 microcontroller 2 through the conducting wires of the X-shaped printed circuit board 1; the NRF51822 Bluetooth module 5 is bidirectionally connected with the STM32F411 microcontroller 2 through a lead of the X-shaped printed circuit board 1; the 2450BM15A0002 balun filter 6 is bidirectionally connected with the NRF51822 Bluetooth module 5 through a lead of the X-shaped printed circuit board 1; the RFX2401C radio frequency transceiver 7 is bidirectionally connected with the 2450BM15A0002 balun filter 6 through the lead of the X-shaped printed circuit board 1; the output end of the lithium battery 9 is connected with the input end of the XC6204B302 low dropout linear regulator 8 through a lead of the X-shaped printed circuit board 1; the output end of the XC6204B302 low dropout linear regulator 8 is respectively connected with the power supply end of an STM32F411 microcontroller 2, the power supply end of an MPU9250 attitude sensor 3, the power supply end of a BMP280 barometric sensor 4, the power supply end of an NRF51822 Bluetooth module 5, the power supply end of a 2450BM15A0002 balun filter 6 and the power supply end of an RFX2401C radio frequency transceiver 7 through leads of an X-shaped printed circuit board 1; the control ends of the four coreless motors 11 are connected with the output end of the STM32F411 microcontroller 2.
The X-shaped printed circuit board 1 is a glass fiber printed circuit board with the thickness of 1.6 mm.
The lithium battery 9 is a lithium ion battery.
The hollow cup motor 11 adopts a 716 hollow cup motor.
Although particular embodiments of the present invention have been described above, it will be appreciated by those skilled in the art that these are examples only and that the scope of the present invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are all within the scope of the invention.
Claims (4)
1. The utility model provides a low-cost four rotor unmanned aerial vehicle for teaching, its characterized in that: comprises an X-shaped printed circuit board (1);
the upper surface of the X-shaped printed circuit board (1) is respectively provided with an STM32F411 microcontroller (2), an MPU9250 attitude sensor (3), a BMP280 air pressure sensor (4), an NRF51822 Bluetooth module (5), a 2450BM15A0002 balun filter (6), an RFX2401C radio frequency transceiver (7), an XC6204B302 low dropout linear voltage regulator (8) and a lithium battery (9); the lower surfaces of four beam arms of the X-shaped printed circuit board (1) are respectively fixedly attached with a strip-shaped seat plate (10), and the outer ends of the four strip-shaped seat plates (10) correspondingly exceed the outer ends of the four beam arms of the X-shaped printed circuit board (1) one by one; the outer ends of the four strip-shaped seat boards (10) are respectively provided with a motor mounting hole which is communicated up and down, and a hollow cup motor (11) is fixedly arranged in each of the four motor mounting holes in a penetrating way; the output shafts of the four hollow cup motors (11) are respectively fixedly provided with a propeller (12);
the output end of the MPU9250 attitude sensor (3) and the output end of the BMP280 air pressure sensor (4) are connected with the input end of an STM32F411 microcontroller (2) through the conducting wire of the X-shaped printed circuit board (1); the NRF51822 Bluetooth module (5) is bidirectionally connected with the STM32F411 microcontroller (2) through a lead of the X-shaped printed circuit board (1); the 2450BM15A0002 balun filter (6) is bidirectionally connected with the NRF51822 Bluetooth module (5) through a lead of the X-shaped printed circuit board (1); the RFX2401C radio frequency transceiver (7) is bidirectionally connected with the 2450BM15A0002 balun filter (6) through a lead of the X-shaped printed circuit board (1); the output end of the lithium battery (9) is connected with the input end of an XC6204B302 low dropout linear regulator (8) through a lead of an X-shaped printed circuit board (1); the output end of the XC6204B302 low-dropout linear regulator (8) is respectively connected with the power supply end of an STM32F411 microcontroller (2), the power supply end of an MPU9250 attitude sensor (3), the power supply end of a BMP280 air pressure sensor (4), the power supply end of an NRF51822 Bluetooth module (5), the power supply end of a 2450BM15A0002 balun filter (6) and the power supply end of an RFX2401C radio frequency transceiver (7) through leads of an X-shaped printed circuit board (1); the control ends of the four hollow cup motors (11) are connected with the output end of the STM32F411 microcontroller (2).
2. A low-cost quad-rotor unmanned aerial vehicle for teaching of claim 1, wherein: the X-shaped printed circuit board (1) is a glass fiber printed circuit board with the thickness of 1.6 mm.
3. A low-cost quad-rotor unmanned aerial vehicle for teaching of claim 1, wherein: the lithium battery (9) adopts a lithium ion battery.
4. A low-cost quad-rotor unmanned aerial vehicle for teaching of claim 1, wherein: the hollow cup motor (11) adopts a 716 hollow cup motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120641254.7U CN214475967U (en) | 2021-03-30 | 2021-03-30 | Low-cost four rotor unmanned aerial vehicle for teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120641254.7U CN214475967U (en) | 2021-03-30 | 2021-03-30 | Low-cost four rotor unmanned aerial vehicle for teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214475967U true CN214475967U (en) | 2021-10-22 |
Family
ID=78176008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120641254.7U Expired - Fee Related CN214475967U (en) | 2021-03-30 | 2021-03-30 | Low-cost four rotor unmanned aerial vehicle for teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214475967U (en) |
-
2021
- 2021-03-30 CN CN202120641254.7U patent/CN214475967U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211022 |