CN113706974B - Ocean exploration technique teaching experiment system - Google Patents
Ocean exploration technique teaching experiment system Download PDFInfo
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- CN113706974B CN113706974B CN202111044050.6A CN202111044050A CN113706974B CN 113706974 B CN113706974 B CN 113706974B CN 202111044050 A CN202111044050 A CN 202111044050A CN 113706974 B CN113706974 B CN 113706974B
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B19/00—Teaching not covered by other main groups of this subclass
- G09B19/0007—Signalling
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/10—Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation
Abstract
The invention relates to a teaching experiment system for ocean exploration technology. The experimental system comprises: the marine data acquisition experimental box, the data fusion transmission experimental box and the data processing experimental box; the marine data acquisition experimental box is in wireless connection with the data fusion transmission experimental box; the data fusion transmission experiment box is in wireless connection with the data processing experiment box. Based on the specific structure of the experimental system, the experimental system has the characteristics of small volume and simpler structure. And all carry out signal transmission through wireless connection mode between each experimental box, simplify the circuit arrangement, when reducing the volume, can improve the convenience of use to, each experimental box independently sets up respectively, when one of them experimental box goes wrong, only need alone to maintain the processing to this experimental box can, the maintenance of being convenient for.
Description
Technical Field
The invention relates to the field of teaching equipment, in particular to a teaching experiment system for ocean exploration technology.
Background
With the continuous exploration of the ocean by human beings, the business of the human beings is continuously expanded to the ocean field. Communication is the root of all things interconnected, and in the face of a complex marine environment, higher requirements are also put on communication capability. Universities also begin to pay attention to the direction of marine communication when performing professional culture of communication engineering. In recent years, the practical capability requirements of universities are further improved in teaching, and in experimental teaching, the higher requirements of experimental instruments are also provided. The current marine communication professional teaching experiment box has the problems of high cost, difficult maintenance, single experiment content and incapability of carrying out comprehensive experiments in combination with marine environments.
The ocean detection technology comprises ocean chemical physics, a sensor technology, a communication technology and data fusion processing, wherein the ocean detection technology is a course set aiming at the professional academic of electronic and ocean communication engineering, and students need to deepen understanding of course contents in a post-class practice mode after learning of the classroom contents is completed, so that engineering capacity is improved. For course learning, marine exploration-related course experiments need to be carried out, but most schools do not have the condition of carrying out field teaching in a marine water area, and the marine environment is extremely inconvenient to simulate in a laboratory. Therefore, there is a need in the art to design a marine exploration experiment system that is small in size and convenient to use and maintain.
Disclosure of Invention
The invention aims to provide a marine detection technology teaching experiment system which is small in size and convenient to use and maintain.
In order to achieve the above object, the present invention provides the following solutions:
a marine exploration technique teaching experiment system, comprising: the marine data acquisition experimental box, the data fusion transmission experimental box and the data processing experimental box;
the marine data acquisition experimental box is in wireless connection with the data fusion transmission experimental box; the data fusion transmission experiment box is in wireless connection with the data processing experiment box;
the ocean data acquisition experiment box is used for simulating an ocean environment and acquiring ocean simulation data; the data fusion transmission experiment box is used for fusing the ocean simulation data and modulating and transmitting the fused ocean simulation data; the data processing experimental box is used for demodulating and image processing the modulated marine simulation data.
Preferably, the marine data acquisition experiment box comprises: the system comprises a first singlechip, a sensing unit and a wireless transmitting unit;
the sensing unit is electrically connected with the first singlechip; the first singlechip is electrically connected with the wireless transmitting unit; the wireless sending unit is in wireless connection with the data fusion transmission experiment box.
Preferably, the marine data acquisition experiment box further comprises: a water tank, a hydroacoustic channel and a fiber channel;
the sensing units are arranged on the water cylinder;
the water tank is provided with a first hole site, a second hole site, a third hole site and a fourth hole site;
one end of the underwater sound channel penetrates out of the first hole site; the other end of the underwater sound channel penetrates out of the second hole site; one end of the optical fiber channel penetrates out of the third hole site; the other end of the fiber channel passes out of the fourth hole position.
Preferably, the wireless transmitting unit includes a plurality of internet of things modules.
Preferably, the sensing unit includes: temperature sensor, pressure sensor, salinity sensor, wind sensor, rainfall sensor, GPS, accelerometer, ultrasonic underwater range finder, camera, laser radar, PH sensor and magnetometer;
the temperature sensor, the pressure sensor, the salinity sensor, the wind sensor, the rainfall sensor, the GPS, the accelerometer, the ultrasonic underwater range finder, the camera, the laser radar, the PH value sensor and the magnetometer are all electrically connected with a first single chip.
Preferably, the data fusion transmission experimental box comprises: the device comprises a data receiving unit, a communication mode selecting unit, an optical fiber communication modulating circuit, a hydroacoustic communication modulating circuit, a microwave communication modulating circuit and an infrared communication modulating circuit;
the data receiving unit is electrically connected with the communication mode selecting unit; the communication mode selection unit is respectively and electrically connected with the optical fiber communication modulation circuit, the underwater sound communication modulation circuit, the microwave communication modulation circuit and the infrared communication modulation circuit;
preferably, the communication method selection unit includes: the second singlechip and the first FPGA;
the second singlechip is respectively and electrically connected with the data receiving unit, the first FPGA and the infrared communication modulation circuit; the first FPGA is electrically connected with the optical fiber communication modulation circuit, the underwater sound communication modulation circuit and the microwave communication modulation circuit respectively.
Preferably, the data processing experiment box comprises: the system comprises an optical fiber communication demodulation circuit, an underwater sound communication demodulation circuit, a microwave communication demodulation circuit, an infrared communication demodulation circuit, a second FPGA, a third singlechip and a DSP image processing module;
the optical fiber communication demodulation circuit, the underwater sound communication demodulation circuit and the microwave communication demodulation circuit are all electrically connected with the second FPGA; the second FPGA is electrically connected with the third singlechip; the third singlechip is respectively and electrically connected with the infrared communication demodulation circuit and the DSP image processing module; the optical fiber communication demodulation circuit and the optical fiber communication modulation circuit perform signal wireless transmission; the underwater sound communication demodulation circuit and the underwater sound communication modulation circuit perform signal wireless transmission; the microwave communication demodulation circuit and the microwave communication modulation circuit perform signal wireless transmission; the infrared communication demodulation circuit and the infrared communication modulation circuit perform signal wireless transmission.
Preferably, the touch screen further comprises a first touch screen; the first touch screen is electrically connected with the second singlechip.
Preferably, the second touch screen and the standardized interface; and the second touch screen and the standardized interface are electrically connected with the third singlechip.
According to the specific embodiment provided by the invention, the invention discloses the following technical effects:
the teaching experiment system for the ocean exploration technology provided by the invention comprises the following components: the marine data acquisition experiment box, the data fusion transmission experiment box and the data processing experiment box are small in size and simple in structure. And all carry out signal transmission through wireless connection mode between each experimental box, simplify the circuit arrangement, when reducing the volume, can improve the convenience of use to, each experimental box independently sets up respectively, when one of them experimental box goes wrong, only need alone to maintain the processing to this experimental box can, the maintenance of being convenient for.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a block diagram of a teaching experiment system for ocean exploration technique;
FIG. 2 is a schematic block diagram of a teaching experiment system for ocean exploration techniques according to an embodiment of the present invention;
FIG. 3 is a block diagram of an ocean data acquisition experiment box provided by an embodiment of the invention;
fig. 4 is an overall structure diagram of a teaching experiment system for ocean exploration technology according to an embodiment of the present invention.
Symbol description:
the system comprises a 1-sensing unit, a 2-first single chip microcomputer, a 3-wireless transmitting unit, a 4-optical fiber channel, a 5-underwater sound channel, a 6-data receiving unit, a 7-second single chip microcomputer, an 8-first touch screen, a 9-optical fiber communication modulating circuit, a 10-first FPGA, an 11-infrared communication modulating circuit, a 12-underwater sound communication modulating circuit, a 13-microwave communication modulating circuit, a 14-optical fiber communication demodulating circuit, a 15-underwater sound communication demodulating circuit, a 16-microwave communication demodulating circuit, a 17-infrared communication demodulating circuit, a 18-second FPGA, a 19-third single chip microcomputer, a 20-DSP image processing module, a 21-second touch screen, a 22-standardized interface, a 23-power management system, a 24-water vat, a 25-second hole site, a 26-fourth hole site, a 27-first hole site, a 28-third hole site and a 29-Internet of things module.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The conventional ocean communication technology teaching laboratory has the problems that the teaching content is single and the real ocean communication environment cannot be simulated. Aiming at the problem, the invention provides an underwater detection technology teaching test box which simulates the marine environment in a transparent container and is convenient for students to observe. According to the key detection technology in the ocean background, various experiments such as ocean data acquisition, data transmission, data processing and the like are designed. The students start from hardware, learn the working principle of the system, write software to realize, complete the system function and cultivate the engineering and innovation practice ability of the students. The experimental box has the characteristics of strong expansibility, easiness in deployment and convenience in maintenance, and can meet the experimental teaching requirements of marine communication professions on multiple courses.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
As shown in fig. 1, the teaching experiment system for ocean exploration technology provided by the invention comprises: ocean data acquisition experimental box, data fusion transmission experimental box and data processing experimental box.
As shown in fig. 2, the marine data acquisition experimental box is in wireless connection with the data fusion transmission experimental box. The data fusion transmission experiment box is in wireless connection with the data processing experiment box.
The marine data acquisition experiment box is used for simulating a marine environment and is used for acquiring marine simulation data. The data fusion transmission experiment box is used for fusing the ocean simulation data and modulating and transmitting the fused ocean simulation data. The data processing experiment box is used for demodulating and image processing the modulated marine analog data.
In order to improve the real-time performance of data transmission, the marine data acquisition experimental box is responsible for simulating a marine environment and needs to be provided with various sensors, and the data is uploaded in a wireless transmission mode after being acquired, so that the marine data acquisition experimental box comprises: the first singlechip 2, the sensing unit 1 and the wireless transmission unit 33.
The sensing unit 1 is electrically connected with the first singlechip 2. The first singlechip 2 is electrically connected with the wireless transmitting unit 3. The wireless transmitting unit 3 is in wireless connection with the data fusion transmission experiment box.
The wireless transmitting unit 3 includes a plurality of internet of things modules 29 (i.e., LORA modules). The sensing unit 1 includes: temperature sensor, pressure sensor, salinity sensor, wind sensor, rainfall sensor, GPS, accelerometer, ultrasonic wave range finder, camera, laser radar, PH degree sensor and magnetometer.
The temperature sensor, the pressure sensor, the salinity sensor, the wind sensor, the rainfall sensor, the GPS, the accelerometer, the ultrasonic underwater range finder, the camera, the laser radar, the PH sensor and the magnetometer are all electrically connected with the first singlechip 2.
In order to improve stability and accuracy of data transmission, as shown in fig. 2, each data acquisition unit (i.e., temperature sensor, pressure sensor, salinity sensor, wind sensor, rainfall sensor, GPS, accelerometer, ultrasonic underwater rangefinder, camera, laser radar, PH sensor, magnetometer) works independently, using independent LORA modules.
To further simplify the overall structure of the sample system, as shown in fig. 3, the marine data acquisition experimental box used in the present invention preferably further comprises: a water tank 24, an underwater acoustic channel 5 and a fibre channel 4.
The sensing units 1 are all arranged on the water cylinder 24. For example, temperature sensors, pressure sensors, salinity sensors, wind sensors, rainfall sensors, GPS, accelerometers, ultrasonic underwater rangefinders, cameras, lidar, PH sensors, magnetometers are mounted on top of the water tank 24. Wherein probes of temperature, salinity, pressure, PH meter sensors extend into the water cylinder 24 for measurement.
The water tank 24 is provided with a first hole site 27, a second hole site 25, a third hole site 28 and a fourth hole site 26.
One end of the underwater acoustic channel 5 passes out of the first hole site 27. The other end of the underwater acoustic channel 5 passes out of the second hole site 25. One end of the fibre channel 4 passes out of the third hole site 28. The other end of the fibre channel 4 passes out of the fourth hole site 26. The water tank 24 is primarily employed to simulate a marine environment within the water tank 24.
In order to improve timeliness of data fusion, the data fusion transmission experimental box adopted by the invention comprises: a data receiving unit 6, a communication mode selecting unit, an optical fiber communication modulating circuit 9, an underwater sound communication modulating circuit 12, a microwave communication modulating circuit 13 and an infrared communication modulating circuit 11. Among them, the data receiving unit 6 is preferably a LORA data receiving unit.
The data receiving unit 6 is electrically connected to the communication scheme selecting unit. The communication mode selection means is electrically connected to the optical fiber communication modulation circuit 9, the underwater acoustic communication modulation circuit 12, the microwave communication modulation circuit 13, and the infrared communication modulation circuit 11, respectively.
Wherein the communication mode selection unit includes: the second singlechip 7 and the first FPGA 10.
The second singlechip 7 is respectively and electrically connected with the data receiving unit 6, the first FPGA 10 and the infrared communication modulation circuit 11. The first FPGA 10 is electrically connected to the optical fiber communication modulation circuit 9, the underwater acoustic communication modulation circuit 12, and the microwave communication modulation circuit 13, respectively. The optical fiber communication modulation circuit 9 converts the data encoded by the first FPGA 10 into an optical signal, and performs data transmission through an optical fiber. The underwater acoustic communication modulation circuit 12 converts the data encoded by the first FPGA 10 into acoustic signals, and performs data transmission using sonar. The microwave communication modulation circuit 13 converts the data encoded by the first FPGA 10 into electromagnetic wave signals for transmission. The infrared communication modulation circuit 11 converts the electric signal formed in the second singlechip 7 into an infrared light signal for transmission.
The second singlechip 7 is preferably an STM32 singlechip. The singlechip can fuse the data from the ocean data acquisition experimental box received by the data receiving unit 6.
The communication mode selection unit is further provided with a touch control screen (i.e. a first touch control screen 8) for selecting a wireless transmission mode of data and switching to a corresponding communication mode through the second singlechip 7.
Further, the data processing experimental box adopted by the invention comprises: the device comprises an optical fiber communication demodulation circuit 14, an underwater sound communication demodulation circuit 15, a microwave communication demodulation circuit 16, an infrared communication demodulation circuit 17, a second FPGA18, a third singlechip 19 and a DSP image processing module 20. The first singlechip 2 and the third singlechip 19 are also preferably STM32 singlechips.
The optical fiber communication demodulation circuit 14, the underwater acoustic communication demodulation circuit 15 and the microwave communication demodulation circuit 16 are all electrically connected with the second FPGA 18. The second FPGA18 is electrically connected to the third single-chip microcomputer 19. The third singlechip 19 is electrically connected with the infrared communication demodulation circuit 17 and the DSP image processing module 20 respectively. The optical fiber communication demodulation circuit 14 performs signal wireless transmission with the optical fiber communication modulation circuit 9. The underwater sound communication demodulation circuit 15 performs signal wireless transmission with the underwater sound communication modulation circuit 12. The microwave communication demodulation circuit 16 performs signal wireless transmission with the microwave communication modulation circuit 13. The infrared communication demodulation circuit 17 performs signal wireless transmission with the infrared communication modulation circuit 11.
The optical fiber communication demodulation circuit 14 converts the optical signal into an electrical signal, and sends the electrical signal to the second FPGA18 for decoding. The underwater acoustic communication demodulation circuit 15 converts the acoustic signal into an electrical signal, and transmits the electrical signal to the second FPGA18 for decoding. The microwave communication demodulation circuit 16 converts the electromagnetic wave signal into an electrical signal, and transmits the electrical signal to the second FPGA18 for decoding. The infrared communication demodulation circuit 17 converts the infrared signal into an electric signal by using an infrared receiving circuit, and sends the electric signal to the third singlechip 19 for decoding. The DSP image processing module 20 is capable of processing the acquired image data.
Further, in order to connect the computer network port and the embedded device, a second touch screen 21 and a standardized interface 22 are also provided in the data processing experiment box. The second touch screen 21 and the standardized interface 22 are electrically connected with the third singlechip 19.
The above-mentioned provided detailed description of the present invention will be given below by taking a specific structure of the marine data collection experimental box as shown in fig. 3 as an example.
The marine data acquisition experiment box comprises an experiment box water cylinder body, a sensor unit, a first singlechip 2, a wireless transmission module, an optical fiber channel and an underwater sound channel 5. The water vat body is a cuboid transparent glass vat, so that students can observe the internal structure conveniently. The data acquisition units such as temperature, pressure, salinity, wind power, rainfall, GPS, gyroscope, laser ranging, camera, laser radar, PH meter, magnetometer are installed above the water vat body, wherein the sensor probe needs the part of direct contact water, directly links into the aquatic through water vat 24 top. The data collected by the sensor units are respectively transmitted into the first single chip microcomputer 2 connected with the sensor units, and finally are transmitted out through the wireless transmitting unit 3. The side and top of the water cylinder body are provided with circular holes (namely a first hole site 27, a second hole site 25, a third hole site 28 and a fourth hole site 26), and the optical fiber channel and the underwater sound channel 5 pass through the holes so as to simulate the underwater channel transmission environment.
Specifically, the experimental box water tank body is set to be the cuboid transparent glass tank, so that students can observe the internal structure conveniently. And a data acquisition unit such as temperature, pressure, salinity, wind power, rainfall, GPS, gyroscope, laser ranging, camera, laser radar, PH meter, magnetometer and the like is arranged above the experimental box water tank body, wherein the sensor probe needs to be in direct contact with the part of water and is directly connected into the water through a circular hole above the water tank. The data collected by the sensor unit are respectively transmitted into the singlechip connected with the sensor unit, and finally are transmitted out through the wireless transmitting unit. The side and top of the water cylinder body are provided with round holes, and the optical fiber channels and the underwater sound channels pass through the holes, so that the underwater channel transmission environment is simulated.
The data fusion and transmission experiment box comprises a data receiving unit 6, a second singlechip 7, a first touch screen 8, a first FPGA 10, an optical fiber communication modulation circuit 9, an underwater sound communication modulation circuit 12, an infrared communication modulation circuit 11 and a microwave communication modulation circuit 13. The data receiving unit 6 is configured to receive data of a plurality of internet of things modules in the plurality of wireless sending units 3. The second singlechip 7 processes the data and combines the processed data into a data frame form. The first FPGA 10 is used to encode data to make the data more advantageous for transmission in the channel. The first touch screen 8 is used for displaying an interactive interface for switching communication modes. The optical fiber communication modulation circuit 9 modulates the data encoded by the first FPGA 10, converts the electrical signal into an optical signal, and inputs the optical signal into an optical fiber channel. The underwater acoustic communication modulation circuit 12 modulates the data encoded by the first FPGA 10, converts the electrical signal into an acoustic signal, and inputs the acoustic signal into the underwater acoustic channel 5. The infrared communication modulation circuit 11 converts the clock signal generated by the second singlechip 7 and the output data into an infrared signal. The microwave communication modulation circuit 13 modulates the data encoded by the first FPGA 10, and converts the electric signal into an electromagnetic wave signal.
The data processing experiment box comprises an optical fiber communication demodulation circuit 14, an underwater sound communication demodulation circuit 15, a microwave communication demodulation circuit 16, an infrared communication demodulation circuit 17, a second FPGA18, a third singlechip 19, a DSP image processing module 20, a second touch screen 21 and a standardized interface 22. The optical fiber communication demodulation circuit 14 converts the optical signal from the optical fiber channel into an electrical signal, which is then decoded by the second FPGA 18. The underwater acoustic communication decoding circuit converts the acoustic signal from the underwater acoustic channel 5 into an electrical signal, which is then decoded by the second FPGA 18. The microwave communication demodulation circuit 16 converts the electromagnetic wave signal into an electrical signal, which is then decoded by the second FPGA 18. The infrared communication decoding circuit converts the infrared light signal into an electric signal, and then the third singlechip 19 reads the received data. The third singlechip 19 is not only used for receiving the data of the infrared decoding circuit, but also receives the decoded data from the second FPGA 18. The DSP image processing module 20 is used for processing the received image data. The second touch screen 21 displays all the processed data. The standardized interface 22 can be connected and data communicated with a computer and an embedded device through a network port.
In addition, the teaching experiment system for the ocean exploration technology can further comprise a power management system 23. The power management system 23 converts the direct input 220V alternating current into 12V direct current, and then converts the direct current into working voltage required by each experiment box through a voltage reduction chip.
Based on the above description, the whole structure of the teaching experiment system for the ocean exploration technology provided by the invention is shown in fig. 4.
In developing teaching experiments, students mainly program the embedded chips of the experiment boxes. Different chips of the experimental box comprise STM32, FPGA and DSP, and different tools are selected for development.
Wherein STM32 is programmed in the context of the C language using KEIL software. When the sensor data is acquired, different communication protocols and singlechip resources are selected according to the communication modes of different modules. For example, serial protocols are required when communicating with lidar; when communicating with the gyroscope, selecting I2C resources; and the singlechip ADC resource is selected when the analog voltage signal is read. After the sensor data are read, the data are required to be processed and converted into a data frame format, and then the data are sent to the LORA module through a serial port to finish the data sending.
The FPGA adopts Quartz software and is programmed in the environment of Verilog HDL language. The FPGA is mainly responsible for finishing the encoding and decoding work of signals. When data is transmitted, coding is carried out aiming at different selected communication modes, so that the coded data is more beneficial to transmission in a channel. When receiving data, decoding the received coded signal is needed to complete the data recovery.
The DSP adopts CCS software to program in the context of the C language. And the DSP reads the received camera image in real time, and equalizes and filters the image. After the image processing is completed, the image data is returned and displayed in the screen.
The experimental box is used as a complete marine communication system, and students can understand the working principle of the system through the whole operation flow of the system. Aiming at the distribution of different functions of each part of the experiment box, a plurality of experiments are designed, the sensor reading, the communication simulation and the digital image processing are covered, and students can finish the realization of the functions of each part by hands.
Students learn the working principle of STM32 singlechip and various sensors. Different on-chip resources of the singlechip are utilized to drive various modules, read temperature, pressure, salinity, wind power, rainfall, GPS, gyroscope, underwater ranging, camera, laser radar, PH meter and magnetometer data, and realize wireless transmission of the data through the LORA module.
Students realize data coding by learning FPGA programming and coding and modulation modes of various communication modes and utilize the FPGA to develop experiments of microwave communication, laser communication, infrared communication and underwater acoustic communication.
Students need to learn the principle of image processing and use a DSP, and relevant experiments such as image equalization, filtering processing and the like are carried out on a DSP platform by utilizing pictures acquired by a camera.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.
The principles and embodiments of the present invention have been described herein with reference to specific examples, the description of which is intended only to assist in understanding the methods of the present invention and the core ideas thereof; also, it is within the scope of the present invention to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the invention.
Claims (7)
1. The utility model provides a marine detection technology teaching experiment system which characterized in that includes: the marine data acquisition experimental box, the data fusion transmission experimental box and the data processing experimental box;
the marine data acquisition experimental box is in wireless connection with the data fusion transmission experimental box; the data fusion transmission experiment box is in wireless connection with the data processing experiment box;
the ocean data acquisition experiment box is used for simulating an ocean environment and acquiring ocean simulation data; the data fusion transmission experiment box is used for fusing the ocean simulation data and modulating and transmitting the fused ocean simulation data; the data processing experiment box is used for demodulating and image processing the modulated marine simulation data;
the marine data acquisition experimental box comprises: the system comprises a first singlechip, a sensing unit and a wireless transmitting unit;
the sensing unit is electrically connected with the first singlechip; the first singlechip is electrically connected with the wireless transmitting unit; the wireless sending unit is in wireless connection with the data fusion transmission experiment box;
the marine data acquisition experimental box further comprises: a water tank, a hydroacoustic channel and a fiber channel;
the sensing units are arranged on the water cylinder;
the water tank is provided with a first hole site, a second hole site, a third hole site and a fourth hole site;
one end of the underwater sound channel penetrates out of the first hole site; the other end of the underwater sound channel penetrates out of the second hole site; one end of the optical fiber channel penetrates out of the third hole site; the other end of the optical fiber channel penetrates out of the fourth hole position;
the data fusion transmission experimental box comprises: the device comprises a data receiving unit, a communication mode selecting unit, an optical fiber communication modulating circuit, a hydroacoustic communication modulating circuit, a microwave communication modulating circuit and an infrared communication modulating circuit;
the data receiving unit is electrically connected with the communication mode selecting unit; the communication mode selection unit is electrically connected with the optical fiber communication modulation circuit, the underwater sound communication modulation circuit, the microwave communication modulation circuit and the infrared communication modulation circuit respectively.
2. The marine survey technique teaching experiment system of claim 1, wherein the wireless transmission unit comprises a plurality of internet of things modules.
3. The marine exploration technology teaching experiment system according to claim 1, wherein the sensing unit comprises: temperature sensor, pressure sensor, salinity sensor, wind sensor, rainfall sensor, GPS, accelerometer, ultrasonic underwater range finder, camera, laser radar, PH sensor and magnetometer;
the temperature sensor, the pressure sensor, the salinity sensor, the wind sensor, the rainfall sensor, the GPS, the accelerometer, the ultrasonic underwater range finder, the camera, the laser radar, the PH value sensor and the magnetometer are all electrically connected with a first single chip.
4. The marine survey technique teaching experiment system according to claim 1, wherein the communication mode selection unit comprises: the second singlechip and the first FPGA;
the second singlechip is respectively and electrically connected with the data receiving unit, the first FPGA and the infrared communication modulation circuit; the first FPGA is electrically connected with the optical fiber communication modulation circuit, the underwater sound communication modulation circuit and the microwave communication modulation circuit respectively.
5. The marine survey technique teaching experiment system of claim 1, wherein the data processing experiment box comprises: the system comprises an optical fiber communication demodulation circuit, an underwater sound communication demodulation circuit, a microwave communication demodulation circuit, an infrared communication demodulation circuit, a second FPGA, a third singlechip and a DSP image processing module;
the optical fiber communication demodulation circuit, the underwater sound communication demodulation circuit and the microwave communication demodulation circuit are all electrically connected with the second FPGA; the second FPGA is electrically connected with the third singlechip; the third singlechip is respectively and electrically connected with the infrared communication demodulation circuit and the DSP image processing module; the optical fiber communication demodulation circuit and the optical fiber communication modulation circuit perform signal wireless transmission; the underwater sound communication demodulation circuit and the underwater sound communication modulation circuit perform signal wireless transmission; the microwave communication demodulation circuit and the microwave communication modulation circuit perform signal wireless transmission; the infrared communication demodulation circuit and the infrared communication modulation circuit perform signal wireless transmission.
6. The marine survey technique teaching experiment system of claim 4, further comprising a first touch screen; the first touch screen is electrically connected with the second singlechip.
7. The marine survey technique teaching experiment system of claim 5, further comprising: the second touch screen and the standardized interface; and the second touch screen and the standardized interface are electrically connected with the third singlechip.
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