CN116033381B - Data wireless transmission circuit and device applied to ocean measuring instrument - Google Patents

Data wireless transmission circuit and device applied to ocean measuring instrument Download PDF

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Publication number
CN116033381B
CN116033381B CN202310315172.7A CN202310315172A CN116033381B CN 116033381 B CN116033381 B CN 116033381B CN 202310315172 A CN202310315172 A CN 202310315172A CN 116033381 B CN116033381 B CN 116033381B
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data
data transmission
cabin
bluetooth module
measuring instrument
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CN116033381A (en
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贺海靖
杜立彬
李正宝
刘杰
陈光源
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Shandong University of Science and Technology
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Shandong University of Science and Technology
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00Reducing energy consumption in communication networks
    • Y02D30/70Reducing energy consumption in communication networks in wireless communication networks

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Abstract

The invention provides a data wireless transmission circuit and a device applied to a marine measuring instrument, which belong to the technical field of marine monitoring, and the circuit comprises: the device comprises an analog switch, a main Bluetooth module, a pull-up resistor, a magnetic switch, a microprocessor, a Flash memory, a data acquisition module and the like; the main Bluetooth module is used for being connected with the auxiliary Bluetooth module in the measuring ship data recovery unit and carrying out data transmission; the microprocessor is used for controlling the power-on work of the main Bluetooth module; the circuit is provided with a data acquisition mode and a data transmission mode, when the circuit is in the data acquisition mode, the analog switch and the magnetic switch are both in an open state, and when the circuit is in the data transmission mode, the analog switch and the magnetic switch are both in a closed state. The technical scheme of the invention solves the problems that after the marine measuring instrument in the prior art is recovered, the measuring ship data recovery unit is complicated in connection with the processing circuit in the marine measuring instrument cabin, and the electrical connection cannot be automatically completed.

Description

Data wireless transmission circuit and device applied to ocean measuring instrument
Technical Field
The invention relates to the technical field of ocean monitoring, in particular to a data wireless transmission circuit and device applied to an ocean measuring instrument.
Background
In marine research and monitoring, a measuring instrument is often used to acquire seawater element data. And (5) lowering the seawater through a winch to obtain the specified depth or profile element data of the seawater. The data processing circuitry of such measuring instruments is usually placed in pressure tight capsules in order to prevent damage by sea water or water pressure. The measuring instrument is generally electrically connected to the outside through a watertight connection cable mounted on the pressure-tight capsule.
The measuring instrument with the structure generally has two working modes of self-contained type and direct-reading type, wherein the self-contained type is that measuring data are stored in a memory in the measuring instrument, after the measuring instrument is recovered, a watertight cable is connected or a pressure-resistant sealed cabin cover is opened, and a measuring ship data recovery unit is connected with a processing circuit in the measuring instrument cabin in a wired communication mode and then reads the data. The direct-reading working mode is that the water-tight cable is always kept in data connection with the shore or a measuring ship, and the measuring data can be read at any time.
In practical application, unmanned ships are widely used for ocean parameter measurement, namely unmanned control is adopted for winch, and the measuring instrument can be automatically controlled to be put down and recovered. However, for deepwater measurement or small unmanned ship, the system is not suitable for working in a direct reading mode due to the limitation of long-distance transmission technology, excessive weight of watertight cables, high failure rate of automatic cable arrangement and the like. And a self-contained working mode is adopted, the connection mode is complex, and data transmission can not be carried out after the electric connection is automatically completed.
Therefore, there is a need for a data wireless transmission circuit and device for a marine survey instrument, which is convenient to connect a survey ship data recovery unit with a processing circuit in a marine survey instrument cabin and can automatically complete electrical connection after the marine survey instrument is recovered.
Disclosure of Invention
The invention mainly aims to provide a data wireless transmission circuit and device applied to a marine measuring instrument, which are used for solving the problems of poor timeliness and complex connection mode of marine measuring instrument data recovery in the prior art.
To achieve the above object, the present invention provides a data wireless transmission circuit applied to a marine measuring instrument, comprising: the device comprises a power supply, an antenna, an analog switch, a main Bluetooth module, a pull-up resistor, a magnetic switch, a microprocessor, a Flash memory, a data acquisition module and a sensor; the antenna is connected with the main Bluetooth module; the main Bluetooth module is connected with the positive electrode of the power supply through an analog switch and is used for being connected with the auxiliary Bluetooth module in the data recovery unit of the measuring ship and carrying out data transmission; the microprocessor is connected with the main Bluetooth module, the Flash memory and the data acquisition module and is used for controlling the power-on work of the main Bluetooth module and controlling the main Bluetooth module to carry out bidirectional transmission of instructions and data; the data acquisition module is also used for reading the data stored in the Flash memory and controlling the data acquisition module to acquire the data; the microprocessor is also connected with the positive electrode of the power supply through a pull-up resistor, one end of the magnetic switch is grounded, and the other end of the magnetic switch is connected with the pull-up resistor; the data acquisition module is also connected with the positive electrode of the power supply and the sensor; the negative electrode of the power supply is grounded; the circuit is provided with a data acquisition mode and a data transmission mode, when the circuit is in the data acquisition mode, the analog switch and the magnetic switch are both in an open state, and when the circuit is in the data transmission mode, the analog switch and the magnetic switch are both in a closed state.
Further, the microprocessor has an input port, which is connected to the magnetic switch.
Further, the magnetic switch may be replaced with a pressure switch.
The invention also provides a data wireless transmission device applied to the marine measuring instrument, which comprises a cabin body, cabin covers, an auxiliary support and a data transmission base, wherein a circuit is packaged in the cabin body, the two cabin covers are respectively positioned at two ends of the cabin body, the auxiliary support is positioned at one end of the cabin body and is fixed at the outer side of the cabin cover, and magnetic steel is arranged in the data transmission base; the device is provided with a data acquisition mode and a data transmission mode, and when the device is in the data acquisition mode, the cabin body is positioned under water and separated from the data transmission base; when the device is in a data transmission mode, the hatch cover is fixedly connected with the data transmission base, and the magnetic switch is positioned at the position opposite to the magnetic steel.
Further, the antenna is of a PCB structure, is packaged in the cabin cover body and is close to the upper wall of the cabin cover, and a connector is reserved in the cabin body and connected with the main Bluetooth module.
Further, the antenna is of a rod-shaped structure, is positioned outside the cabin body, is led into the cabin body through the watertight joint, and is connected with the main Bluetooth module.
Further, the bottom of the auxiliary support is provided with a bump, and the data transmission base is internally provided with a groove matched with the bump.
Further, the cabin body is a pressure-resistant sealed cabin, and the cabin cover is a pressure-resistant sealed cabin cover.
The invention has the following beneficial effects:
the circuit or the device provided by the invention can be used for automatically connecting the measuring ship data recovery unit with the processing circuit in the marine measuring instrument cabin and carrying out data transmission after the marine measuring instrument is recovered, so that the process of connecting a watertight cable or opening the pressure-resistant sealed cabin of the measuring instrument when the marine measuring instrument carries out data recovery is obviously simplified, and the application scene of the related instrument is greatly expanded. After the data transmission is completed, the main Bluetooth module in the circuit can be automatically powered off or powered on according to the instruction to sleep, so that the electric energy consumption of the marine measuring instrument is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art. In the drawings:
FIG. 1 is a schematic diagram showing the structure of a first embodiment of a data wireless transmission circuit applied to a marine survey instrument according to the present invention;
fig. 2 shows a schematic structural diagram of a first embodiment of a data wireless transmission device applied to a marine measuring instrument according to the present invention.
Wherein, the reference numerals in the drawings are as follows:
1. a power supply; 2. an antenna; 3. an analog switch; 4. a main Bluetooth module; 5. a pull-up resistor; 6. a magnetic switch; 7. a microprocessor; 8. a Flash memory; 9. a data acquisition module; 10. a sensor; 20. a cabin body; 21. a hatch cover; 22. an auxiliary bracket; 221. a bump; 30. a data transmission base; 31. magnetic steel; 32. a groove.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. 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.
Example 1
A data wireless transmission circuit for use in a marine survey apparatus as shown in fig. 1, comprising: the power supply 1, the antenna 2, the analog switch 3, the main Bluetooth module 4, the pull-up resistor 5, the magnetic switch 6, the microprocessor 7, the Flash memory 8, the data acquisition module 9 and the sensor 10; the antenna 2 is connected with the main Bluetooth module 4; the main Bluetooth module 4 is connected with the positive electrode of the power supply 1 through the analog switch 3 and is used for being connected with the auxiliary Bluetooth module in the measuring ship data recovery unit and carrying out data transmission; the microprocessor 7 is connected with the main Bluetooth module 4, the Flash memory 8 and the data acquisition module 9 and is used for controlling the power-on work of the main Bluetooth module 4 and controlling the main Bluetooth module 4 to carry out bidirectional transmission of instructions and data; the Flash memory 8 is also used for reading data stored in the Flash memory 8 and controlling the data acquisition module 9 to acquire the data; the microprocessor 7 is also connected with the positive electrode of the power supply 1 through the pull-up resistor 5, one end of the magnetic switch 6 is grounded, and the other end of the magnetic switch is connected with the pull-up resistor 5; the data acquisition module 9 is also connected with the anode of the power supply 1 and the sensor 10; the negative electrode of the power supply 1 is grounded; the circuit has a data acquisition mode and a data transmission mode, when the circuit is in the data acquisition mode, the analog switch 3 and the magnetic switch 6 are both in an open state, and when the circuit is in the data transmission mode, the analog switch 3 and the magnetic switch 6 are both in a closed state. Wherein, the main bluetooth module 4 is controlled to be switched on and off by the analog switch 3, and the closing or opening of the analog switch 3 is controlled by the microprocessor 7. The measuring ship data recovery unit is internally provided with a slave Bluetooth module, and when data transmission is carried out, the slave Bluetooth module is connected with the master Bluetooth module, so that the data transmission can be carried out.
The circuit or the device provided by the invention can be used for automatically connecting the measuring ship data recovery unit with the processing circuit in the marine measuring instrument cabin and carrying out data transmission after the marine measuring instrument is recovered, so that the process of connecting a watertight cable or opening the pressure-resistant sealed cabin of the measuring instrument when the marine measuring instrument carries out data recovery is obviously simplified, and the application scene of the related instrument is greatly expanded. After the data transmission is completed, the main Bluetooth module in the circuit can be automatically powered off or powered on according to the instruction to sleep, so that the electric energy consumption of the marine measuring instrument is reduced.
Specifically, the microprocessor 7 has an input port P1.1, and the input port P1.1 is connected to the magnetic switch 6.
As shown in fig. 2, the invention further provides a data wireless transmission device applied to a marine measuring instrument, which comprises a cabin body 20, cabin covers 21, auxiliary supports 22 and a data transmission base 30, wherein a circuit is packaged in the cabin body 20, the two cabin covers 21 are respectively positioned at two ends of the cabin body 20, the auxiliary supports 22 are positioned at one end of the cabin body 20 and are fixed at the outer side of the cabin cover 21, and magnetic steel 31 is arranged in the data transmission base 30; the device has a data acquisition mode and a data transmission mode, and when the device is in the data acquisition mode, the cabin is positioned under water and separated from the data transmission base 30; when the device is in a data transmission mode, the hatch cover 21 is fixedly connected with the data transmission base 30, and the magnetic switch 6 is positioned opposite to the magnetic steel 31. Wherein the auxiliary support 22 is fastened to the hatch 21 by means of screws. In a specific application, the main Bluetooth module 4, the analog switch 3, the microprocessor 7, the Flash memory 8, the magnetic switch 6 and the data acquisition module 9 are arranged inside the cabin body 20 of the marine measuring instrument, namely, in the pressure-resistant sealed cabin. The magnetic switch 6 is fixedly arranged on the inner bottom wall of the pressure-resistant sealing cabin. The data transmission base 30 is provided with magnetic steel 31 which is placed on the measuring vessel to provide external trigger signals for the magnetic switch 6.
In practical application, the marine measuring instrument is lowered by a winch to measure various seawater elements, and the measured data is processed by the data acquisition module 9 and then stored in the Flash memory 8. After the measurement is completed, the measurement is recovered by a winch. The measuring personnel place the measuring instrument on the data transmission base 30, and magnetic switch 6 switches on under the effect of magnet steel 31 magnetic field, and microprocessor 7 is after monitoring that input port P1.1 takes place to change from high to low level, and automatic control signal that sends analog switch 3 makes it switch on, and main bluetooth module 4 in the pressure-resistant sealed cabin begins the work of powering on. The function of convenient connection and automatic completion of electrical connection is realized. The microprocessor 7 sends an AT command to it, searches for a slave bluetooth module installed in the survey vessel data recovery unit, mates with it and establishes a connection, and then performs data transmission, and can modify the survey instrument configuration parameters or transmit survey data according to the received command. After the communication is finished, the analog switch 3 can be disconnected according to the instruction, and the main Bluetooth module 4 in the cabin is powered off, so that the energy consumption is saved. The measuring instrument can be separated from the data transmission base 30, the external magnetic field for controlling the conduction of the magnetic switch 6 is disappeared, the input port P1.1 of the microprocessor 7 is changed to be high level, and the microprocessor 7 automatically closes the analog switch 3 after detecting the level change from low to high of the input port P1.1, and the main Bluetooth module 4 is powered off and shut down.
Specifically, the antenna 2 has a PCB structure, is encapsulated in the body of the hatch 21 and is close to the upper wall of the hatch, and a connector is provided in the hatch 20 and is connected with the main bluetooth module 4. The antenna is packaged inside the cabin cover 21 body and is close to the upper wall of the cabin cover, and then the cabin cover is sealed in a mode of injection molding and the like, so that the antenna 2 can be close to the outer side of the cabin cover 21 as much as possible, communication is ensured, and the tightness of the cabin cover is not affected.
Specifically, the bottom of the auxiliary bracket 22 is provided with a bump 221, and the data transmission base 30 is provided with a groove 32 matched with the bump 221. The rectangular protrusion at the bottom of the auxiliary support 22 can be just placed in the groove 32 on the data transmission base 30, and when the measuring instrument with the auxiliary support 22 is placed on the data transmission base 30, the fixing of the relative positions of the two can be ensured.
Specifically, the cabin 20 is a pressure-tight cabin, and the cabin cover 21 is a pressure-tight cabin cover 21.
Example two
The present embodiment provides a data wireless transmission circuit applied to a marine measuring instrument, which is a deformation based on the first embodiment, except that the magnetic switch 6 can also be replaced by a pressure switch. For unmanned ship, because can't place withstand voltage sealed cabin on the data transmission base, consequently can replace the magnetic switch with pressure switch, by sea water pressure control switch break-make. The pressure switch is arranged, so that the functions of convenient connection, automatic completion of electrical connection and data transmission can be realized. When the measuring instrument reaches the water surface, the pressure switch is turned on, and after the microprocessor 7 monitors that the input port P1.1 changes from high to low in level, a control signal is sent to the analog switch 3 to enable the analog switch to be turned on, and the main Bluetooth module 4 in the pressure-resistant sealed cabin starts to be electrified. Similarly, the analog switch 3 can be turned off by putting the measuring instrument into water or sending an instruction, and the main Bluetooth module 4 is powered off.
Example III
The embodiment provides a data wireless transmission device applied to a marine measuring instrument, which is deformation based on the embodiment one, wherein the difference is that an antenna 2 is in a rod-shaped structure and is positioned outside a cabin 20, introduced into the cabin 20 through a watertight joint and connected with a main Bluetooth module 4.
It should be understood that the above description is not intended to limit the invention to the particular embodiments disclosed, but to limit the invention to the particular embodiments disclosed, and that the invention is not limited to the particular embodiments disclosed, but is intended to cover modifications, adaptations, additions and alternatives falling within the spirit and scope of the invention.

Claims (7)

1. A wireless data transmission device for use in a marine survey instrument, comprising a circuit comprising: the device comprises a power supply, an antenna, an analog switch, a main Bluetooth module, a pull-up resistor, a magnetic switch, a microprocessor, a Flash memory, a data acquisition module and a sensor; the antenna is connected with the main Bluetooth module;
the main Bluetooth module is connected with the positive electrode of the power supply through the analog switch and is used for being connected with the auxiliary Bluetooth module in the measuring ship data recovery unit and carrying out data transmission;
the microprocessor is connected with the main Bluetooth module, the Flash memory and the data acquisition module and is used for controlling the power-on work of the main Bluetooth module and controlling the main Bluetooth module to carry out bidirectional transmission of instructions and data; the data acquisition module is also used for reading the data stored in the Flash memory and controlling the data acquisition module to acquire the data;
the microprocessor is also connected with the positive electrode of the power supply through the pull-up resistor, one end of the magnetic switch is grounded, and the other end of the magnetic switch is connected with the pull-up resistor;
the data acquisition module is also connected with the power supply anode and the sensor;
the negative electrode of the power supply is grounded;
the circuit is provided with a data acquisition mode and a data transmission mode, when the circuit is in the data acquisition mode, the analog switch and the magnetic switch are both in an open state, and when the circuit is in the data transmission mode, the analog switch and the magnetic switch are both in a closed state;
the device is characterized by further comprising a cabin body, cabin covers, auxiliary supports and a data transmission base, wherein the circuit is packaged in the cabin body, the two cabin covers are respectively positioned at two ends of the cabin body, the auxiliary supports are positioned at one end of the cabin body and are fixed on the outer side of the cabin cover, and magnetic steel is arranged in the data transmission base;
the device is provided with the data acquisition mode and the data transmission mode, and when the device is in the data acquisition mode, the cabin body is positioned under water and separated from the data transmission base; when the device is in the data transmission mode, the hatch cover is fixedly connected with the data transmission base, and the magnetic switch is positioned at the position opposite to the magnetic steel.
2. A data wireless transmission device for use in a marine survey apparatus as claimed in claim 1, wherein the microprocessor has an input port, the input port being connected to the magnetic switch.
3. A data wireless transmission device for use in a marine survey apparatus as claimed in claim 1, wherein the magnetic switch is replaced by a pressure switch.
4. The wireless data transmission device for marine measuring instrument according to claim 1, wherein the antenna has a PCB structure, is encapsulated in the hatch cover body and is close to the upper wall of the hatch cover, and a joint is provided in the hatch cover body, and the joint is connected with the main bluetooth module.
5. The wireless data transmission device for the marine measuring instrument according to claim 1, wherein the antenna is in a rod-shaped structure, is positioned outside the cabin, is introduced into the cabin through a watertight joint, and is connected with the main Bluetooth module.
6. The wireless data transmission device for marine measuring instrument according to claim 1, wherein the bottom of the auxiliary support is provided with a convex block, and the data transmission base is internally provided with a groove matched with the convex block.
7. The wireless data transmission device for marine measuring instrument according to claim 1, wherein the cabin body is a pressure-tight cabin, and the cabin cover is a pressure-tight cabin cover.
CN202310315172.7A 2023-03-29 2023-03-29 Data wireless transmission circuit and device applied to ocean measuring instrument Active CN116033381B (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205049149U (en) * 2015-10-22 2016-02-24 江苏省电力公司南京供电公司 Measurement system is synthesized with overhead wire to cable
CN211014241U (en) * 2019-08-12 2020-07-14 大连理工大学 Embedded water quality monitoring device
WO2022257429A1 (en) * 2021-06-11 2022-12-15 中国石油集团东方地球物理勘探有限责任公司 Submarine optical fiber four-component seismic instrument system and data collection method thereof

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106768043B (en) * 2016-12-20 2020-06-16 山东科技大学 Ocean multi-parameter profile measuring instrument
CN207033439U (en) * 2017-07-18 2018-02-23 盘锦辽河油田裕隆实业集团有限公司 Well liquid Bluetooth transmission memory-type multi-parameter instrument can be identified
CN212515721U (en) * 2020-06-08 2021-02-09 深圳市鹰硕教育服务有限公司 Intelligent track acquisition pen
CN114500607A (en) * 2022-03-04 2022-05-13 深圳市蓝电科创科技有限公司 Multi-task real-time data transmission platform applied to ocean and communication method
CN114777880A (en) * 2022-04-07 2022-07-22 深圳市宏电技术股份有限公司 Water level monitoring method and water level monitoring device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205049149U (en) * 2015-10-22 2016-02-24 江苏省电力公司南京供电公司 Measurement system is synthesized with overhead wire to cable
CN211014241U (en) * 2019-08-12 2020-07-14 大连理工大学 Embedded water quality monitoring device
WO2022257429A1 (en) * 2021-06-11 2022-12-15 中国石油集团东方地球物理勘探有限责任公司 Submarine optical fiber four-component seismic instrument system and data collection method thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
海洋牧场环境智能组网监测技术和装备现状与分析;杜立彬;海洋信息;全文 *

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