Novel integrated information recorder for fishing vessel

An information integration and recorder technology, applied in the direction of instruments, registration/indication, time register, etc., can solve the problem that marine fishery resources are far from being realized, and achieve convenient embedded installation or hanging installation, convenient operation, and utilization rate. high effect

Pending Publication Date: 2018-01-19
ZHEJIANG OCEAN UNIV
0 Cites 3 Cited by

AI-Extracted Technical Summary

Problems solved by technology

In the past ten years, although all parts of the country, especially the coastal areas, have always attached great importance to the management and protection of marine fishery resources, they have introduced regulations including "fishing ban season", banning "three no fishing boats", and cracking down on "extinct household nets". A series of administrative management measures have been explored and promoted, and positive efforts have bee...
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Method used

As shown in Figure 10, be SD card module connection circuit diagram, its pin 1,2,3,7 and 8 one ends all connect VCC by resistance, the resistance of connection is R6, R5, R4, R3, R2 successively, The values ​​are all 47K, VCC is 3.3V power supply, and the other ends of the rear pins 1, 2, 3, 7 and 8 are connected to the functions of each pin. This connection method can improve the input and output capabilities of the SD card pins, and one end of C2 Connect the other end of VCC to ground, and connect R6 and C1 in parallel. C1 and C2 are both 10nF, R6 is 0Ω. Pin 4 is directly connected to VCC to power the chip, pin 6 and pin 9 are grounded, pin 10 is connected to the power supply through R1, and VCC is connected to C3, and C3 is grounded, R1 is connected with a 100K resistor, and C3 is connected with a 10nF capacitor, which can remove the power supply high-frequency noise, improve the stability of SD card operation, use this embodiment to connect the SD card and STM32 chip, and perform multiple data read and write operation experiments. The experiment is divided into 1~4 groups, and each group performs 20 data writes The read and write file size is 1.02MB, and the read and write data accuracy of the SD card in the recording test is shown in Table 1 below.
As shown in Figure 3 ~ 12, a kind of novel fishing boat information comprehensive recorder, is the optimized scheme of embodiment 1, and recorder comprises casing 1, and casing 1 upper surface is equipped with power switch 2 and indicator light 3, The side of casing 1 is equipped with USB interface 4, SD card interface 5, serial interface 6 and network interface 7, and circuit mainboard 27 and power supply module are installed inside casing 1, and circuit mainboard 27 is provided with data acquisition module 19, data acquisition Module 19 is a network port module 23, an SD card module 24, a USB module 25 and a serial port module 26. The recorder of the present invention is provided with a multi-channel data acquisition channel, which can realize the connection to fishing boat equipment of different data interface types, greatly improving the data quality. The convenience of synchronization, the box body 1 has a high degree of integration, convenient operation, and a good degree of cooperation with the equipment installed on the fishing boat.
Casing 1 material adopts cast aluminum material, and the density of cast aluminum material is 2700kg/m , the thermal conductivity of cast aluminum material is 201W/(m·K), and casing 1 adopts cast aluminum material, has reduced recorder The overall weight, high strength, and good corrosion resistance improve the thermal conductivity of the box 1, improve heat dissipation, and avoid high temperature damage to electronic components. The cast aluminum material significantly prolongs the service life of the recorder.
Circuit board 27 adopts PCB circuit board as substrate, and the circuit and base material of PCB circuit board need not be coated with liquid photo-induced solder resist, and liquid photo-induced solder resist is made up of following composition and parts by weight: trihydroxy 17~33 parts of methylpropane triacrylate, 28~41 parts of epoxy resin, 3~5 parts of thioxanthone, 4~9 parts of rutile titanium oxide, 1,4-cyclohexanedimethanol diglycidyl ether 0.2~0.4 parts, 11~19 parts of silica particles, 7~14 parts of glycol ether acetate, 0.1~0.4 parts of 2-octanone, 1~2.3 parts of defoamer, 2~3 parts of leveling agent, dispersant 1.5~2.6 parts, liquid photo-induced solder resist can effectively prevent physical disconnection in conductors, and improve the insulation of PCB circuit boards. Liquid photo-induced solder resists are coated on PCB circuit boards that do not need to be soldered. Circuits and substrates On the other hand, a dense film is formed after drying treatment, which can increase the welding density of the circuit board 27, thereby reducing the volume of the recorder, and can also improve the stability of the circuit in the circuit board 27, reducing the phenomenon of short circuits caused by bridging. The addition of 1,4-cyclohexanedimethanol diglycidyl ether and 2-octanone can improve the structure of silica particles and increase its degree of combination with other components, so that this liquid photo solder resist has better mechanical properties and can Reducing the processing steps of the printed circuit board before coating the liquid photo-induced solder resist not only improves the coating efficiency and reduces the coating requirements, but also enhances the insulation of the liquid photo-induced solder resist, enhances the anti-static ability, and improves the The protective effect on the circuit board 27.
Circui...
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Abstract

The invention provides a novel integrated information recorder for a fishing vessel and belongs to the technical field of vessel electronics. The novel integrated information recorder comprises a boxbody, wherein a power switch and an indicator light are mounted on the upper surface of the box body; USB interfaces, an SD card interface, a serial interface and a network interface are mounted on the side surface of the box body; a circuit mainboard and a power supply module are mounted in the box body; and a data acquisition module is arranged on the circuit mainboard and consists of an Internet access module, an SD card module, a USB module and a serial port module. As multiple data acquisition channels are arranged, connection with fishing vessel equipment with different data interface types can be realized, the data acquisition accuracy is high, and the convenience in data synchronism is greatly improved; the box body in high in integration degree; the operation is convenient; and the novel integrated information recorder can well work together with equipment mounted on the fishing vessel.

Application Domain

Registering/indicating working of vehicles

Technology Topic

Network interfaceData synchronization +11

Image

  • Novel integrated information recorder for fishing vessel
  • Novel integrated information recorder for fishing vessel
  • Novel integrated information recorder for fishing vessel

Examples

  • Experimental program(5)

Example Embodiment

[0029] Example 1:
[0030] Such as Figure 1~2 As shown, it is an implementation of the new type of fishing vessel information integrated recorder. The main layout of the fishing vessel voyage recorder is as follows figure 1 , The upper surface of the recorder has a power switch button to control the working status of the recorder. The right side of the recorder is equipped with two USB ports and an SD port. The USB port is used to connect a fishing boat that uses USB to transmit data or connect to a PC. , The SD interface is used to connect to the SD card. The lower side of the recorder is equipped with two network ports and two serial ports to meet the requirements of the equipment that transmits data through the network port or serial interface on the fishing boat. The setting of multi-channel interface can realize the connection with the fishing boat. Multi-device matching.
[0031] The circuit diagram of the recorder is as figure 2 As shown, the circuit system is planned to use the microprocessor STM32F103 series chip STM32F103ZET6 based on the ARM Cortex™-M3 core as the main control unit, responsible for communication data coordination, clock control, display control, data storage control and other functions of the entire system. The system design network communication module, multiple serial interface, USB interface, SD card interface, etc., so as to realize the connection of fishing boat equipment of different data interface types. After the data received by each channel is converted from analog to digital, it will be sent to the main control unit. After the main control unit processes the data logically, it stores the data in the SD card, and uses the USB-based Mass storage protocol adopted in the system and transplants The FATFS file system has been modified so that it can only support 4G capacity and expand to 128G SD card. When recovering system data, only need to connect to the computer's USB interface, and the recorder becomes a card reader The device can directly access the stored data through a PC, avoiding the drawback of repeatedly opening the recorder case in the recovery of data.
[0032] When the recorder is working, the input power is 220V/50Hz, provided by the ship’s power supply. When the ship’s power is abnormal, the shipborne data logger will automatically switch to the internal battery pack for power supply. The battery pack can work continuously without external power supply. 13 hours, when the external power supply, the external power supply will charge the battery pack at the same time, switching the power supply greatly improves the emergency capability of the recorder.
[0033] The conventional technology in this embodiment is the prior art known to those skilled in the art, and will not be described in detail here.

Example Embodiment

[0034] Example 2:
[0035] Such as Figure 3~12 As shown, a new type of fishing vessel information comprehensive recorder is an optimized solution of embodiment 1. The recorder includes a box body 1, a power switch 2 and an indicator light 3 are installed on the upper surface of the box body 1, and a USB interface is installed on the side of the box body 1. 4. SD card interface 5, serial interface 6 and network interface 7. A circuit main board 27 and a power supply module are installed inside the box 1. The circuit main board 27 is provided with a data acquisition module 19, and the data acquisition module 19 is a network port module 23, SD card module 24, USB module 25 and serial port module 26. The recorder of the present invention is equipped with multiple data acquisition channels, which can realize the connection of fishing boat equipment of different data interface types, which greatly improves the convenience of data synchronization. Box 1 High integration, convenient operation, and good coordination with the equipment installed on the fishing boat.
[0036] The bottom 8 of the box body 1 is provided with a groove 9 in the center. The groove 9 is provided with a slideway 10 inside. The slideway 10 is embedded with an upper hook 13 and a lower hook 11, and the upper hook 13 and the lower hook 11 are connected with screws. 14. The lower hook 11 and the screw 14 are connected with threads. The wall of the groove 9 directly above the screw 14 is provided with a screw knob hole 901. The screw 14 is used in conjunction with the upper hook 13 and the lower hook 11. During the installation process of the recorder, pass The screw 14 can make the upper hook 13 and the lower hook 11 move towards each other, and then tighten it on the fixing part, avoiding the disadvantage of easy shaking when a single hook is hung and installed. The screw knob hole 901 can not only facilitate the twisting of the screw 14, but also increase the box The heat dissipation of the body 1 improves the working stability of the components in the recorder.
[0037] The two sides of the bottom 8 of the box body 1 are connected with a fixed female part 12. The fixed female part 12 is composed of a ring plate 1202 and a panel 1201 to form a matching space 1203. The matching space 1203 is connected with a fixed male part 15 in cooperation with the fixed male part 15. There are positioning screws 16, the two ends of the fixed male part 15 are provided with convex plates 17, and the surface of the convex plate 17 is connected with barbs 18, which are made of soft sponge material. The fixed female part 12 and the fixed male part 15 are two independent parts , The installation convenience is improved, the fixed male part 15 is small in size, and the installation area is highly adaptable. The convex plate 17 of the fixed male part 15 enters the matching space 1203 of the fixed female part 12 through the rotary recorder, so as to achieve the fixing effect and fix The surface of the convex plate 17 of the male 15 is provided with barbs 18, and the inclined direction of the barbs 18 is the installation rotation direction, so that the effect of easy installation and not easy to loose and fall off can be achieved, and the barbs 18 are made of soft sponge material, making the The fixed fittings not only have a fixed function, but also have a cushioning and shock absorption effect, which significantly improves the installation reliability of the recorder.
[0038] The circuit board 27 integrated module includes a main control unit 22, the main control unit 22 is based on the ARM Cortex™-M3 core STM32 series microprocessor STM32F103ZET6, the main control unit 22 and the data acquisition module 19 are provided with a signal conditioning circuit 20 and a module The digital converter 21, the analog-to-digital converter 21 and the main control unit 22 are connected by SPI data interface. The invention adopts the STM32 series microprocessor, which reduces the development cost and makes the recorder have the advantages of high performance and low power consumption. SPI is used for data transmission between the analog-to-digital converter 21 and the main control unit 22, which ensures the reliability of data transmission and occupies less chip pins, which not only improves the utilization of the main control unit, but also saves PCB layout space, The layout difficulty is reduced, the interference of the circuit main board 27 is reduced, and the working accuracy and stability are improved.
[0039] The signal conditioning circuit 20 includes a signal amplifier circuit, a secondary signal amplifier circuit, and a signal filter circuit. The signal amplifier circuit control unit is a chip U1, the chip U1 is an instrumentation amplifier with an internal resistance Ri, and the secondary signal amplifier circuit is a chip U2 and a chip U2. It is an operational amplifier OP07, the signal filter circuit chip is U3, and the chip U3 is CF412. The signal amplifying circuit uses U1 instrumentation amplifier, which has a differential input terminal V IN+ And V IN- , The magnification is determined by the adjustable resistance Rg and the internal resistance Ri as QUOTE , Amplify the signal preliminarily, its amplification accuracy is high, the input offset voltage QUOTE , Offset voltage drift QUOTE , The magnification in the secondary amplifying circuit is QUOTE , Amplify the circuit twice, C3 and R2 in the two-stage amplifying circuit also form a low-pass filter network to perform preliminary filter processing on the collected signal, and its cut-off frequency , The positive input of U2 is grounded through R3, which can reduce the offset current. The signal filter circuit has U3 as the main control chip. It forms an active second-order low-pass filter circuit with resistors R4, R5, R6, R7 and capacitors C6 and C7. Perform various high-frequency interference filtering to improve the accuracy of signal acquisition. The signal conditioning circuit 20 performs two step amplification and filtering on the collected input signal. After conditioning, the data integrity is high, the output voltage meets the input requirements of the analog-to-digital converter, and the circuit The structure is simple and clear, and the wiring is convenient.
[0040] The circuit mainboard 27 stores the data in the SD card after processing. The software adopts the USB-based Mass storage protocol as the basis and transplants the FATFS file system for design. In the software design, the transplanted FATFS file system is modified so that it can only support 4G. The capacity is expanded to support a 128G SD card, so that the recorder has a higher software support effect under the same hardware equipment, and the data is processed and written into the SD card. When the PC side accesses the data, it can be directly accessed via USB The interface connection is obtained, so that the recorder also has a card reader function, which avoids the drawback of repeatedly opening the recorder case during data recovery.
[0041] The circuit main board 27 adopts the PCB circuit board as the substrate, and the circuit and substrate of the PCB circuit board that do not need to be soldered are coated with liquid photo solder resist. The liquid photo solder resist consists of the following components and parts by weight: Trimethylolpropane 17~33 parts of triacrylate, 28~41 parts of epoxy resin, 3~5 parts of thioxanthone, 4~9 parts of rutile titanium oxide, 1,4-cyclohexanedimethanol diglycidyl ether 0.2~0.4 Parts, 11~19 parts of silica particles, 7~14 parts of glycol ether acetate, 0.1~0.4 parts of 2-octanone, 1~2.3 parts of antifoaming agent, 2~3 parts of leveling agent, 1.5~2.6 parts of dispersant Part, the liquid photoresist can effectively prevent the physical disconnection in the conductor, and improve the insulation of the PCB circuit board. The liquid photoresist is coated on the circuit and the substrate that do not need to be soldered on the PCB circuit board. After drying, a dense film is formed, which can increase the soldering density of the circuit board 27, thereby reducing the volume of the recorder, and can also improve the stability of the circuit in the circuit board 27, and reduce the phenomenon of short circuits due to bridges. Add 1 , 4-Cyclohexane dimethanol diglycidyl ether and 2-octanone can improve the structure of silica particles and increase the degree of binding with other components, so that the liquid photo solder resist has better mechanical properties and can reduce printing The processing procedure before the circuit board is coated with the liquid photo solder resist not only improves the coating efficiency and reduces the coating requirements, but also enhances the insulation of the liquid photo solder resist, enhances the anti-static ability, and improves the resistance to the circuit board. 27 protection effect.
[0042] The power supply module includes an input power source 29 and an internal battery pack 33. The input power supply of the input power source 29 is 220V/50Hz, the input power source 29 is connected to a normally open electromagnetic relay 31, the normally open electromagnetic relay 31 is connected to a charger 32, and the charger 32 is connected to The internal battery pack 33 is connected to the recorder power supply module 34 through a normally closed electromagnetic relay 35, the input power source 29 is connected to the recorder power supply module 34 through a step-down rectifier circuit II 30, and the input power source 29 is connected to the recorder power supply module 34 through a step-down rectifier circuit I 28. Normally open electromagnetic relay 31 and normally closed electromagnetic relay 35 provide control signal input. The input power source 29 of this power supply module can be provided by marine power. When power is supplied normally, the input power source 29 supplies power to the recorder through the step-down rectifier circuit Ⅱ 30, and is normally open at the same time The electromagnetic relay 31 is closed and the normally closed electromagnetic relay 35 is disconnected. The input power source 29 can also charge the internal battery 33. When the hull power supply is abnormal and the input power source 29 has no input voltage, the normally closed electromagnetic relay 35 is closed, and the internal battery 33 is The recorder is powered. The release voltage of the normally open electromagnetic relay 31 and the normally closed electromagnetic relay 35 is controlled to 30% of the pull-in voltage. The power supply module has a simple structure and can achieve smooth switching between external and internal power supply, which improves the record The emergency capability of the instrument can still work normally for 13.5 hours without external power supply, which significantly improves the economic value of the recorder.
[0043] Box 1 is made of cast aluminum, and the density of cast aluminum is 2700kg/m 3 , The thermal conductivity of cast aluminum material is 201W/(m·K), and the case 1 is made of cast aluminum material, which reduces the overall weight of the recorder, and has high strength, good corrosion resistance, and improves the thermal conductivity of case 1. , Improve heat dissipation capacity, avoid high temperature damage to electronic components, cast aluminum material significantly prolongs the service life of the recorder.
[0044] The conventional technology in this embodiment is the prior art known to those skilled in the art, and will not be described in detail here.

Example Embodiment

[0045] Example 3:
[0046] Such as Figure 3~12 As shown, a new type of fishing vessel information comprehensive recorder, its working principle is: install the recorder on the hull, and connect the existing equipment on the fishing vessel to the corresponding channel interfaces of the recorder through a USB cable or a network cable or a serial cable , The recorder power supply input 220V/50H as the power source, turn on the recorder power switch 2 to make the recorder work, the data acquisition module 19 performs data acquisition regularly, and the acquired signal is amplified and filtered by the signal conditioning circuit 20 and transmitted to the analog-to-digital converter 21. The analog-to-digital converter 21 converts the data analog signal into the data digital signal and transmits it to the main control unit 22STM32F103ZET6. The main control unit 22 writes the data into the SD card module 24 through software for storage. When the data needs to be extracted and analyzed, the PC terminal passes The USB interface 4 is connected to read the stored data in the SD card module 24, which completes the collection of fishery resources.
[0047] The conventional technology in this embodiment is the prior art known to those skilled in the art, and will not be described in detail here.

PUM

PropertyMeasurementUnit
Density2600.0 ~ 2900.0kg/m³
Thermal conductivity200.0 ~ 245.0W/K/m
Density2700.0kg/m³

Description & Claims & Application Information

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