CN214121214U - Paddle attitude sensor - Google Patents

Abstract

The utility model discloses a quant attitude sensor, including shell and circuit board, the circuit board install in the shell, the circuit board includes USB interface circuit, master control circuit, serial communication selection circuit, attitude sensor circuit and power management circuit, USB interface circuit serial communication selection circuit the attitude sensor circuit with power management circuit respectively with master control circuit electric connection. The utility model discloses a quant attitude sensor, it is equipped with master control circuit, serial ports communication selection circuit, USB interface circuit and gesture sensing circuit etc. utilizes bluetooth and wiFi synthetic module, provides multiple wireless transfer mode, and it has advantages such as communication function is complete, stable in structure and security height.

Description

Paddle attitude sensor

Technical Field

The utility model belongs to the technical field of attitude sensor, concretely relates to oar attitude sensor.

Background

The attitude sensor is a high-performance three-dimensional motion attitude measurement system based on MEMS technology. The system comprises motion sensors such as a three-axis gyroscope, a three-axis accelerometer and a three-axis electronic compass, and data such as a three-dimensional attitude, an azimuth and the like subjected to temperature compensation are obtained through an embedded low-power ARM processor. And outputting zero-drift three-dimensional attitude and azimuth data expressed by quaternion and Euler angle in real time by using a quaternion-based three-dimensional algorithm and a special data fusion technology. The LPMS series and the iAHRS-M0 attitude sensors can be widely embedded into model airplane unmanned aerial vehicles, robots, mechanical holders, vehicles and ships, ground and underwater equipment, virtual reality, human motion analysis and other product equipment which need to independently measure three-dimensional attitude and orientation.

Because need attitude sensor to gather data among the virtual water sports land-based training system, most attitude sensors still are more traditional and single on communication mode, can't carry out data transmission such as wireless fast convenient mode to attitude sensor is binding behind the oar, the number of times that can't accurate calculation oar etc..

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides oar attitude sensor, it is equipped with master control circuit, serial communication selection circuit, USB interface circuit and gesture sensing circuit etc. utilizes bluetooth and wiFi synthetic module, provides multiple wireless transfer mode, and it has advantages such as multiple communication function, stable in structure and security height.

In order to achieve the above object, the utility model provides a paddle attitude sensor, including shell and circuit board, the circuit board install in the shell, the circuit board includes USB interface circuit, master control circuit, serial communication selection circuit, attitude sensor circuit and power management circuit, USB interface circuit serial communication selection circuit attitude sensor circuit with power management circuit respectively with master control circuit electric connection, wherein:

the master control circuit comprises a communication chip D2 (supporting Bluetooth and WiFi) and a restorer U9, wherein the communication chip D2 is electrically connected with the restorer U9;

the USB interface circuit comprises a serial port chip U1 and an interface unit J1, wherein the serial port chip U1 is electrically connected with the interface unit J1;

the serial port communication selection circuit comprises an oscillator U6, an oscillator U7, an oscillator U13 and an oscillator U14, wherein the oscillator U6, the oscillator U7, the oscillator U13 and the oscillator U14 are electrically connected with the communication chip D2 respectively;

the attitude sensor circuit comprises a sensor chip U15, and the sensor chip U15 is electrically connected with the oscillator U6 and the oscillator U7 respectively.

As a further preferable technical solution of the above technical solution, the 2 pin of the interface unit J1 is electrically connected to the 5 pin of the serial chip U1, the 3 pin of the interface unit J1 is electrically connected to the 4 pin of the serial chip U1, one path of the 4 pin of the interface unit J1 is connected to a power supply terminal (VCC _5V) through a resistor R60, and the other path of the 4 pin of the interface unit J1 is grounded through a resistor R61.

As a more preferable technical solution of the above technical solution, the 3 pin of the oscillator U6 is electrically connected to the 28 pin of the communication chip D2, the 3 pin of the oscillator U7 is electrically connected to the 27 pin of the communication chip D2, the 3 pin of the oscillator U13 is electrically connected to the 34 pin of the communication chip D2, and the 3 pin of the oscillator U14 is electrically connected to the 35 pin of the communication chip D2.

As a more preferable technical solution of the above technical solution, the 6 pin of the oscillator U6 is electrically connected to the 4 pin of the interface unit J1, the 6 pin of the oscillator U7 is electrically connected to the 4 pin of the interface unit J1, the 6 pin of the oscillator U13 is electrically connected to the 4 pin of the interface unit J1, and the 6 pin of the oscillator U14 is electrically connected to the 4 pin of the interface unit J1.

As a further preferable configuration of the above configuration, the 6 pins of the sensor chip U15 are electrically connected to the 4 pins of the oscillator U7, and the 8 pins of the sensor chip U15 are electrically connected to the 4 pins of the oscillator U6.

As a further preferable technical solution of the above technical solution, the power management circuit includes a charging chip U8 and a voltage regulator U2, the charging chip U8 is electrically connected to the voltage regulator U2, the 7 pins of the charging chip U8 are electrically connected to the 11 pins of the communication chip D2, and the 6 pins of the charging chip U8 are electrically connected to the 12 pins of the communication chip D2.

As a further preferable technical solution of the above technical solution, the circuit board further includes a display module circuit, the display module circuit includes a display unit J12, the 2 pin of the display unit J12 is electrically connected with the 37 pin of the communication chip D2, and the 3 pin of the display unit J12 is electrically connected with the 36 pin of the communication chip D2;

the display module circuit further comprises a field effect transistor Q7, the grid electrode of the field effect transistor Q7 is electrically connected with the 29 pin of the communication chip D2, and a resistor R83 is connected between the grid electrode and the source electrode of the field effect transistor Q7 in series.

Drawings

Fig. 1 is the main control circuit diagram of the paddle attitude sensor of the present invention.

Fig. 2 is the USB interface circuit diagram of the paddle attitude sensor of the present invention.

Fig. 3 is the utility model discloses a paddle attitude sensor's serial ports communication selection circuit diagram.

Fig. 4 is the circuit diagram of the attitude sensor of the paddle attitude sensor of the present invention.

Fig. 5 is a power management circuit diagram of the paddle attitude sensor of the present invention.

Fig. 6 is a circuit diagram of a display module of the paddle attitude sensor of the present invention.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the invention, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents and other technical solutions without departing from the spirit and scope of the invention.

The utility model discloses a paddle attitude sensor combines preferred embodiment below, further describes utility model's embodiment.

In the embodiments of the present invention, those skilled in the art will note that the housing, circuit board, and the like according to the present invention can be regarded as the prior art.

Preferred embodiments.

The utility model discloses a quant attitude sensor, including shell and circuit board, the circuit board install in the shell, the circuit board includes USB interface circuit, master control circuit, serial communication selection circuit, attitude sensor circuit and power management circuit, USB interface circuit serial communication selection circuit attitude sensor circuit with power management circuit respectively with master control circuit electric connection, wherein:

the master control circuit comprises a communication chip D2 (supporting Bluetooth and WiFi) and a restorer U9, wherein the communication chip D2 is electrically connected with the restorer U9;

the USB interface circuit comprises a serial port chip U1 and an interface unit J1, wherein the serial port chip U1 is electrically connected with the interface unit J1;

the serial port communication selection circuit comprises an oscillator U6, an oscillator U7, an oscillator U13 and an oscillator U14, wherein the oscillator U6, the oscillator U7, the oscillator U13 and the oscillator U14 are electrically connected with the communication chip D2 respectively;

the attitude sensor circuit comprises a sensor chip U15, and the sensor chip U15 is electrically connected with the oscillator U6 and the oscillator U7 respectively.

Specifically, the 2 pin of the interface unit J1 is electrically connected to the 5 pin of the serial chip U1, the 3 pin of the interface unit J1 is electrically connected to the 4 pin of the serial chip U1, one of the 4 pins of the interface unit J1 is connected to a power supply terminal (VCC _5V) via a resistor R60, and the other of the 4 pins of the interface unit J1 is connected to ground via a resistor R61.

More specifically, the 3 pin of the oscillator U6 is electrically connected to the 28 pin of the communication chip D2, the 3 pin of the oscillator U7 is electrically connected to the 27 pin of the communication chip D2, the 3 pin of the oscillator U13 is electrically connected to the 34 pin of the communication chip D2, and the 3 pin of the oscillator U14 is electrically connected to the 35 pin of the communication chip D2.

Furthermore, the 6 pin of the oscillator U6 is electrically connected to the 4 pin of the interface unit J1, the 6 pin of the oscillator U7 is electrically connected to the 4 pin of the interface unit J1, the 6 pin of the oscillator U13 is electrically connected to the 4 pin of the interface unit J1, and the 6 pin of the oscillator U14 is electrically connected to the 4 pin of the interface unit J1.

Furthermore, the 6 pins of the sensor chip U15 are electrically connected to the 4 pins of the oscillator U7, and the 8 pins of the sensor chip U15 are electrically connected to the 4 pins of the oscillator U6.

Preferably, the power management circuit comprises a charging chip U8 and a voltage regulator U2, the charging chip U8 is electrically connected with the voltage regulator U2, the 7 pins of the charging chip U8 are electrically connected with the 11 pins of the communication chip D2, and the 6 pins of the charging chip U8 are electrically connected with the 12 pins of the communication chip D2.

Preferably, the circuit board further comprises a display module circuit, the display module circuit comprises a display unit J12, the 2 pins of the display unit J12 are electrically connected with the 37 pins of the communication chip D2, and the 3 pins of the display unit J12 are electrically connected with the 36 pins of the communication chip D2;

the display module circuit further comprises a field effect transistor Q7, the grid electrode of the field effect transistor Q7 is electrically connected with the 29 pin of the communication chip D2, and a resistor R83 is connected between the grid electrode and the source electrode of the field effect transistor Q7 in series.

Preferably, the utility model discloses still utilize the gesture rotation relation, map a set of euler angle to another set of euler angle on, avoided using the singular point problem of single euler angle, solved the oar of rowing in-process (for example: number of times judgement) problem, solved attitude sensor after binding the oar, owing to the euler angle singular point phenomenon that the oar rotation caused, make calculation and statistical data more accurate.

It is worth mentioning that the technical features such as the housing and the circuit board related to the present invention should be regarded as the prior art, and the specific structure, the operation principle, the control mode and the spatial arrangement mode of these technical features may be selected conventionally in the field, which should not be regarded as the invention point of the present invention, and the present invention is not further specifically described in detail.

It will be apparent to those skilled in the art that modifications and variations can be made in the above-described embodiments, or some features of the invention may be substituted or omitted, and any modification, substitution, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.

Claims (7)

1. The utility model provides a quant attitude sensor, includes shell and circuit board, the circuit board install in the shell, its characterized in that, the circuit board includes USB interface circuit, master control circuit, serial communication selection circuit, attitude sensor circuit and power management circuit, USB interface circuit serial communication selection circuit attitude sensor circuit with power management circuit respectively with master control circuit electric connection, wherein:

the master control circuit comprises a communication chip D2 and a restorer U9, and the communication chip D2 is electrically connected with the restorer U9;

the USB interface circuit comprises a serial port chip U1 and an interface unit J1, wherein the serial port chip U1 is electrically connected with the interface unit J1;

the serial port communication selection circuit comprises an oscillator U6, an oscillator U7, an oscillator U13 and an oscillator U14, wherein the oscillator U6, the oscillator U7, the oscillator U13 and the oscillator U14 are electrically connected with the communication chip D2 respectively;

the attitude sensor circuit comprises a sensor chip U15, and the sensor chip U15 is electrically connected with the oscillator U6 and the oscillator U7 respectively.

2. The sensor of claim 1, wherein pin 2 of the interface unit J1 is electrically connected to pin 5 of the serial chip U1, pin 3 of the interface unit J1 is electrically connected to pin 4 of the serial chip U1, pin 4 of the interface unit J1 is connected to a power supply terminal through a resistor R60, and pin 4 of the interface unit J1 is connected to ground through a resistor R61.

3. The paddle attitude sensor of claim 2, wherein the 3 pin of the oscillator U6 is electrically connected to the 28 pin of the communication chip D2, the 3 pin of the oscillator U7 is electrically connected to the 27 pin of the communication chip D2, the 3 pin of the oscillator U13 is electrically connected to the 34 pin of the communication chip D2, and the 3 pin of the oscillator U14 is electrically connected to the 35 pin of the communication chip D2.

4. The sensor of claim 3, wherein said oscillator U6 has 6 pins electrically connected to said interface unit J1 with 4 pins, said oscillator U7 has 6 pins electrically connected to said interface unit J1 with 4 pins, said oscillator U13 has 6 pins electrically connected to said interface unit J1 with 4 pins, and said oscillator U14 has 6 pins electrically connected to said interface unit J1 with 4 pins.

5. The sensor of claim 4, wherein the 6 pins of the U15 chip are electrically connected to the 4 pins of the U7, and the 8 pins of the U15 chip are electrically connected to the 4 pins of the U6.

6. The sensor of claim 5, wherein the power management circuit comprises a charging chip U8 and a voltage regulator U2, the charging chip U8 is electrically connected to the voltage regulator U2, the 7 pin of the charging chip U8 is electrically connected to the 11 pin of the communication chip D2, and the 6 pin of the charging chip U8 is electrically connected to the 12 pin of the communication chip D2.

7. The paddle attitude sensor of claim 1, wherein the circuit board further comprises a display module circuit, the display module circuit comprises a display unit J12, the 2 pin of the display unit J12 is electrically connected with the 37 pin of the communication chip D2, and the 3 pin of the display unit J12 is electrically connected with the 36 pin of the communication chip D2;

the display module circuit further comprises a field effect transistor Q7, the grid electrode of the field effect transistor Q7 is electrically connected with the 29 pin of the communication chip D2, and a resistor R83 is connected between the grid electrode and the source electrode of the field effect transistor Q7 in series.

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