CN212254088U

CN212254088U - Wave sensor

Info

Publication number: CN212254088U
Application number: CN202020941402.2U
Authority: CN
Inventors: 张时青; 梁志聪
Original assignee: Guangdong Sea Star Ocean Sci And Tech Co ltd
Current assignee: Guangdong Sea Star Ocean Sci And Tech Co ltd
Priority date: 2020-05-28
Filing date: 2020-05-28
Publication date: 2020-12-29
Anticipated expiration: 2030-05-28

Abstract

The utility model discloses a wave sensor, a serial communication port, including data acquisition unit, data transmission unit and data processing unit, the data acquisition unit passes through the data processing unit and is connected with the data transmission unit, the data acquisition unit includes triaxial gyroscope, triaxial magnetic field sensor, triaxial acceleration sensor, barometer module and GPS module, triaxial gyroscope, triaxial magnetic field sensor, triaxial acceleration sensor, barometer module and GPS module are connected with the data processing unit respectively. The utility model discloses inertial sensor module, electron compass module and GPS module realize that the high accuracy detects the wave parameter and the staff of being convenient for retrieves equipment. The utility model discloses but wide application in sensor field.

Description

Wave sensor

Technical Field

The utility model belongs to the technical field of the sensor and specifically relates to a wave sensor.

Background

With the rapid development of world economy, the world countries have developed the attention to ocean resources, wherein waves are one of important parameters in ocean resource research, so that wave observation methods in the ocean play an increasingly important role, most of the existing ocean monitoring systems mostly adopt equipment in contact with the ocean to obtain specific information, and commonly used equipment comprises a current meter and a wave measuring rod, but the current meter has single detection parameters, and the wave measuring rod needs to be fixed with a high rod, so that the cost is high, the equipment is not easy to use, and the equipment has limitations and is not enough to reflect the real wave conditions.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, an object of the present invention is to provide a wave sensor capable of detecting a parameter of a wave.

The utility model adopts the technical proposal that:

the utility model provides a wave sensor, includes data acquisition unit, data transmission unit and data processing unit, the data acquisition unit passes through the data processing unit and is connected with the data transmission unit, the data acquisition unit includes triaxial gyroscope, triaxial magnetic field sensor, triaxial acceleration sensor, barometer module and GPS module, triaxial gyroscope, triaxial magnetic field sensor, triaxial acceleration sensor, barometer module and GPS module are connected with the data processing unit respectively.

Furthermore, the data processing unit comprises a main control chip and a power supply module, the power supply module is connected with the main control chip, and the main control chip is connected with the data transmission unit.

Further, the power module comprises a 3.3V low-noise power supply submodule and a 5V low-noise power supply submodule, and the 3.3V low-noise power supply submodule and the 5V low-noise power supply submodule are respectively connected with the main control chip.

Further, the 3.3V low-noise power supply sub-module includes a first voltage stabilizer, a second voltage stabilizer, a first capacitor, a second capacitor, a third capacitor, a fourth capacitor, a first resistor and a second resistor, the first port and the third port of the first voltage stabilizer are connected to the first end of the first capacitor, the fifth port of the first voltage stabilizer is connected to the first end of the first resistor and the first end of the second capacitor, the second port of the first voltage stabilizer is connected to the second end of the first capacitor, the second end of the first resistor and the second end of the second capacitor and grounded, the first port and the third port of the second voltage stabilizer are connected to the first end of the third capacitor, the fifth port of the second voltage stabilizer is connected to the first end of the second resistor and the first end of the fourth capacitor, the second port of the second voltage stabilizer is connected to the second end of the third capacitor, And a second end point of the second resistor and a second end point of the fourth capacitor are connected and grounded, and a first port of the second voltage stabilizer is connected with a first port of the first voltage stabilizer.

Further, the 5V low-noise power supply sub-module comprises a power supply chip, a fifth capacitor, a sixth capacitor, a seventh capacitor, an eighth capacitor, a third resistor and a fourth resistor, the fourth port and the eighth port of the power supply chip are connected with the first end point of a fifth capacitor, the first port of the power supply chip is connected with the first end point of a sixth capacitor, a fifth port of the power supply chip is connected with a first endpoint of the third resistor, a first endpoint of the seventh capacitor and a first endpoint of the eighth capacitor, the sixth port of the power supply chip is connected with the second endpoint of the third resistor, the first endpoint of the fourth resistor and the second endpoint of the seventh capacitor, and a third port of the power supply chip is connected with a second endpoint of the fifth capacitor, a second endpoint of the sixth capacitor, a second endpoint of the fourth resistor and a second endpoint of the eighth capacitor and is grounded, and a seventh port of the power supply chip is grounded.

Furthermore, the data processing unit also comprises a boosting circuit submodule, and the boosting circuit submodule is connected with the main control chip.

Further, the three-axis magnetic field sensor adopts a QMC5883L three-axis magnetic field sensor.

Further, the barometer module employs an SPL06 barometer.

Further, the main control chip adopts STM32F 427.

The utility model has the advantages that: obtain the rotation and the swing speed of sensor through the inertial sensor module to obtain wave motion's parameter, obtain the locating information of equipment through the GPS module, make things convenient for follow-up staff to maintain and retrieve the utility model discloses a wave sensor obtains more accurate location data and wave motion parameter through supplementary GPS module of barometer module and inertial sensor module.

Drawings

Fig. 1 is a block diagram of the present invention;

fig. 2 is a circuit diagram of a 3.3V low-noise power supply sub-module according to an embodiment of the present invention;

fig. 3 is a circuit diagram of a 5V low-noise power supply sub-module according to an embodiment of the present invention;

fig. 4 is a circuit diagram of a boost circuit submodule according to an embodiment of the present invention.

Detailed Description

Referring to fig. 1, the utility model provides a wave sensor, including data acquisition unit, data transmission unit and data processing unit, the data acquisition unit passes through the data processing unit and is connected with the data transmission unit, the data acquisition unit includes triaxial gyroscope, triaxial magnetic field sensor, triaxial acceleration sensor, barometer module and GPS module, triaxial gyroscope, triaxial magnetic field sensor, triaxial acceleration sensor, barometer module and GPS module are connected with the data processing unit respectively.

Wherein, the data transmission unit can adopt GSM communication module for the wave parameter and the locating information of receiving data processing unit send the receiving system on the bank, in time feed back the personnel on the bank with data, data acquisition unit is used for gathering the parameter, data processing unit is used for obtaining the wave parameter with the parameter processing who gathers, inertial sensor is used for detecting the lift, rotation and the rocking speed of wave sensor, thereby obtains the wave parameter, the GPS module is used for detecting wave sensor's position, and the later stage staff of being convenient for maintains and retrieves equipment, the electron compass module is used for assisting the GPS module to obtain more accurate locating information and supplementary inertial sensor module and obtains more accurate wave direction information, the barometer module is used for gathering pressure and temperature information.

The three-axis gyroscope, the three-axis magnetic field sensor and the three-axis acceleration sensor form an inertial sensor, and the three-axis gyroscope, the three-axis magnetic field sensor and the three-axis acceleration sensor form a strapdown inertial navigation system.

Specifically, the inertial sensor adopts BMI088, and BMI088 is an ultra-small 6-axis inertial sensor, which is composed of a three-axis 12-bit acceleration sensor and a three-axis 16-bit gyroscope, and measures the angular velocity and acceleration of three vertical axes with extremely low noise, thereby detecting the inclination, motion, impact and vibration of the equipment.

Further as the preferred embodiment of the utility model discloses, the data processing unit includes main control chip and power module, power module is connected with main control chip, main control chip is connected with the data transmission unit.

The power module is used for supplying power to the sensor and the main control chip.

Further conduct the preferred embodiment of the utility model, power module includes 3.3V low noise power submodule piece and 5V low noise power submodule piece, 3.3V low noise power submodule piece and 5V low noise power submodule piece are connected with main control chip respectively.

As a further preferred embodiment of the present invention, the 3.3V low noise power supply sub-module includes a first regulator U1, a second regulator U2, a first capacitor C1, a second capacitor C2, a third capacitor C3, a fourth capacitor C4, a first resistor R1, and a second resistor R2, the first port and the third port of the first regulator U1 are connected to the first end of the first capacitor C1, the fifth port of the first regulator U1 is connected to the first end of the first resistor R1 and the first end of the second capacitor C2, the second port of the first regulator U1 is connected to the second end of the first capacitor C1, the second end of the first resistor R1, and the second end of the second capacitor C2 and is grounded, the first port and the third port of the second regulator U2 are connected to the first end of the third capacitor C3, the first port and the third port of the second regulator U585 is connected to the first end of the first regulator U3624, a second port of the second regulator U2 is connected to the second end of the third capacitor C3, the second end of the second resistor R2, and the second end of the fourth capacitor C4, and is grounded, and a first port of the second regulator U2 is connected to the first port of the first regulator U1.

In order to ensure excellent noise performance, the 3.3V low-noise power supply sub-module adopts an LP5907 voltage regulator as a regulated power supply, and a specific circuit diagram refers to FIG. 2.

As a further preferred embodiment of the present invention, the 5V low-noise power sub-module includes a power chip U3, a fifth capacitor C5, a sixth capacitor C6, a seventh capacitor C7, an eighth capacitor C8, a third resistor R3 and a fourth resistor R4, the fourth port and the eighth port of the power chip U3 are connected to the first end of the fifth capacitor C3992, the first port of the power chip U3 is connected to the first end of the sixth capacitor C6, the fifth port of the power chip U3 is connected to the first end of the third resistor R3, the first end of the seventh capacitor C7 and the first end of the eighth capacitor C6384, the sixth port of the power chip C3 is connected to the second end of the third resistor R3, the first end of the fourth resistor R4 and the second end of the seventh capacitor C7, and the third port of the power chip U585 is connected to the second end of the fifth capacitor C6 and the sixth capacitor C57324, The second terminal of the fourth resistor R4 and the second terminal of the eighth capacitor C8 are connected to ground, and the seventh port of the power chip U3 is connected to ground.

In order to ensure excellent noise performance, the 5V low-noise power supply submodule is powered by an LP3878 power supply chip, and a specific circuit diagram refers to fig. 3.

Further conduct the preferred embodiment of the utility model, the data processing unit still includes the boost circuit submodule piece, the boost circuit submodule piece is connected with main control chip.

The circuit submodule adopts an SX1308 boost chip, and further comprises an inductor, a diode, two resistors, an adjustable resistor and three capacitors, and a specific circuit diagram of the circuit submodule refers to FIG. 4.

Further as a preferred embodiment of the present invention, the three-axis magnetic field sensor is a QMC5883L three-axis magnetic field sensor.

Further as a preferred embodiment of the present invention, the barometer module employs an SPL06 barometer.

The SPL06 barometer comprises a pressure sensor and a temperature sensor, the pressure sensor adopts the principle of a capacitive sensor, high-precision measurement can still be kept when the temperature changes, and an internal signal processor of the SPL06-007 converts the output of the pressure sensor and the output of the temperature sensor into a 24-bit result.

Further as the preferred embodiment of the present invention, the main control chip adopts STM32F 427.

The basic principle of the utility model is as follows:

the heave, rotation and swing speed of the wave sensor on the sea surface are obtained through a triaxial acceleration sensor and a triaxial gyroscope sensor which are arranged in the wave sensor, the data are sent to a data processing unit, the data processing unit obtains information of wave height, wave period and wave direction of waves through calculation, the information is sent to a data transmission unit, and the data transmission unit sends the information to a mobile terminal receiving party in real time.

While the preferred embodiments of the present invention have been described, the present invention is not limited to the above embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are intended to be included within the scope of the present invention as defined by the appended claims.

Claims

1. The utility model provides a wave sensor, its characterized in that includes data acquisition unit, data transmission unit and data processing unit, the data acquisition unit passes through the data processing unit and is connected with the data transmission unit, the data acquisition unit includes triaxial gyroscope, triaxial magnetic field sensor, triaxial acceleration sensor, barometer module and GPS module, triaxial gyroscope, triaxial magnetic field sensor, triaxial acceleration sensor, barometer module and GPS module are connected with the data processing unit respectively.

2. The wave sensor according to claim 1, wherein the data processing unit comprises a main control chip and a power module, the power module is connected with the main control chip, and the main control chip is connected with the data transmission unit.

3. The wave sensor according to claim 2, wherein the power module comprises a 3.3V low-noise power sub-module and a 5V low-noise power sub-module, and the 3.3V low-noise power sub-module and the 5V low-noise power sub-module are respectively connected with the main control chip.

4. The wave sensor of claim 3, wherein the 3.3V low noise power supply sub-module comprises a first regulator, a second regulator, a first capacitor, a second capacitor, a third capacitor, a fourth capacitor, a first resistor, and a second resistor, wherein the first port and the third port of the first regulator are connected to the first terminal of the first capacitor, the fifth port of the first regulator is connected to the first terminal of the first resistor and the first terminal of the second capacitor, the second port of the first regulator is connected to the second terminal of the first capacitor, the second terminal of the first resistor, and the second terminal of the second capacitor and is grounded, the first port and the third port of the second regulator are connected to the first terminal of the third capacitor, and the fifth port of the second regulator is connected to the first terminal of the second resistor and the first terminal of the fourth capacitor, and a second port of the second voltage stabilizer is connected with a second endpoint of the third capacitor, a second endpoint of the second resistor and a second endpoint of the fourth capacitor and is grounded, and a first port of the second voltage stabilizer is connected with a first port of the first voltage stabilizer.

5. The wave sensor of claim 4, wherein the 5V low noise power supply submodule comprises a power supply chip, a fifth capacitor, a sixth capacitor, a seventh capacitor, an eighth capacitor, a third resistor and a fourth resistor, the fourth port and the eighth port of the power supply chip are connected with the first end point of a fifth capacitor, the first port of the power supply chip is connected with the first end point of a sixth capacitor, a fifth port of the power supply chip is connected with a first endpoint of the third resistor, a first endpoint of the seventh capacitor and a first endpoint of the eighth capacitor, the sixth port of the power supply chip is connected with the second endpoint of the third resistor, the first endpoint of the fourth resistor and the second endpoint of the seventh capacitor, and a third port of the power supply chip is connected with a second endpoint of the fifth capacitor, a second endpoint of the sixth capacitor, a second endpoint of the fourth resistor and a second endpoint of the eighth capacitor and is grounded.

6. The wave sensor according to claim 5, wherein the data processing unit further comprises a boost circuit sub-module, and the boost circuit sub-module is connected with the main control chip.

7. The wave sensor of claim 1, wherein the three-axis magnetic field sensor is a QMC5883L three-axis magnetic field sensor.

8. The wave sensor of claim 1, wherein the barometer module is an SPL06 barometer.

9. The wave sensor of claim 2, wherein the master control chip employs STM32F 427.