WO2018107406A1 - Underwater data collection device and system - Google Patents

Underwater data collection device and system Download PDF

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Publication number
WO2018107406A1
WO2018107406A1 PCT/CN2016/109990 CN2016109990W WO2018107406A1 WO 2018107406 A1 WO2018107406 A1 WO 2018107406A1 CN 2016109990 W CN2016109990 W CN 2016109990W WO 2018107406 A1 WO2018107406 A1 WO 2018107406A1
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WO
WIPO (PCT)
Prior art keywords
pressure
main control
end cover
resistant
board
Prior art date
Application number
PCT/CN2016/109990
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French (fr)
Chinese (zh)
Inventor
孙兆华
Original Assignee
卡耐国际集团（香港）有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 卡耐国际集团（香港）有限公司 filed Critical 卡耐国际集团（香港）有限公司
Priority to CN201680078109.4A priority Critical patent/CN108603775B/en
Priority to PCT/CN2016/109990 priority patent/WO2018107406A1/en
Priority to CA3025351A priority patent/CA3025351C/en
Publication of WO2018107406A1 publication Critical patent/WO2018107406A1/en

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D21/00—Measuring or testing not otherwise provided for

Definitions

  • the invention relates to a data acquisition device, in particular to a data acquisition device for an underwater working environment.
  • the primary object of the present invention is to provide a data acquisition device that can be used underwater, especially in deep water, with an open function design, which can simultaneously acquire multiple underwater target data in situ.
  • a data collecting device for underwater use comprising: a watertight and pressure resistant outer casing; and the watertight and pressure resistant outer casing is provided with a data collecting system;
  • the watertight pressure-resistant outer casing is generally cylindrical, and comprises a pressure-resistant cylinder body and a pressure-resistant end cover 1 and a pressure-resistant end cover 2 for sealing both ends of the pressure-resistant cylinder body; and the pressure-resistant end cover one or two Opening a plurality of through holes, wherein the through holes are provided with at least a watertight socket or a watertight plug;
  • the data acquisition system is provided with a circuit board mounting bracket, the circuit board mounting bracket is fixedly connected to the inner surface of the watertight pressure-resistant housing; the circuit board mounting frame is provided with a circuit board; the circuit board setting At least 12 asynchronous transmission standard interfaces, at least 8 analog input interfaces, and at least 56 basic input/output interfaces, wherein the asynchronous transmission standard interface is connected to the watertight socket on the anti-pressure end cover, and then connected through a watertight socket Device; the board is also set
  • the optocoupler switch matrix controls the external device to turn on or off the power source, and the number of the optocoupler switches corresponds to the number of the external devices.
  • the pressure-resistant end cap 1 and the pressure-resistant end cap 2 are respectively provided with protective flanges extending outward in the axial direction for protecting the watertight socket and the plug disposed on the end cap.
  • a mechanical power switch is disposed in the vicinity of the pressure resistant end cap, and a plurality of thread blinds are formed on the inner surface of one of the through holes of the pressure resistant end cap
  • the mechanical power switch includes: a mechanical switch mount, a circumferentially protruding cylinder block, a manual shaft and a travel switch;
  • the mechanical switch mount includes a fixed clamp having a plurality of through holes a plurality of long screws, and a plurality of screw sleeves cooperating with the long screws, the screw sleeves being between the compression end caps and the fixed pressing block, the long screws in turn
  • the anti-pressure end cover is connected by the threaded blind hole of the inner surface of the anti-pressure end cover, thereby forming an inner side of the anti-pressure end cover a rotating space surrounded by the fixed pressing block and the plurality of screw sleeves; one end of the manual rotating shaft is axially fixedly connected to the column block in the rotating space, so
  • one end of the manual rotating shaft located on an outer surface of the pressure resistant end cover can be manually rotated to drive the column block to rotate.
  • the protrusion of the column block will press the stroke switch spring.
  • the chip, the trip switch circuit is turned on, thereby starting the circuit board that is electrically connected thereto; otherwise, the circuit board is turned off.
  • the pressure end cap is further provided with a simple opening device, and the simple opening device comprises an opening screw, an inner screw and a long screw, and the inner screw and
  • the opening screw is located on an inner surface and an outer surface of the pressure end cover, and one end of the inner screw is screwed to the opening screw through a through hole of the pressure end cover, the inner portion
  • the other end of the screw is screwed to one end of the long screw, the long screw runs through the whole of the pressure resistant cylinder body, and the other end is fixedly connected with the inner surface of the pressure resistant end cover; thereby realizing the two compression ends
  • the cover is fixed to the anti-pressure cylinder, and the inner screw can be rotated by screwing the opening screw to separate from the long screw to complete the opening of the compression end cap.
  • a portion of the watertight socket on the compression end cap is provided as a PC debug interface and a battery input interface.
  • the watertight sockets on the pressure resistant end cover 2 are divided into three groups, and the asynchronous transmission standard interface, the analog input interface and the basic input and output respectively with the circuit board inside the pressure resistant cylinder body.
  • the interface is electrically connected to electrically connect to the corresponding external device outside the anti-pressure cylinder.
  • the pressure end cap, the pressure end cap 2 and the pressure resistant cylinder are sealed by a bevel; the mechanical power switch, the simple opening device and the The end cover is axially sealed; the pressure end cap is first, and the watertight plug and the watertight socket on the pressure end cap are flat sealed.
  • the circuit board specifically includes a main control card, a main board, a control module, an optocoupler switch matrix board, an asynchronous transmission standard interface expansion board, an analog-to-digital conversion interface expansion board, and an IO-pin expansion board. ;
  • the main control card is provided with a main control chip, the main control chip has a coprocessor with a timing application function, and the chip is preferably a commercially available Freescale 68332 chip; the main control card is also provided with a reduced instruction
  • the set of low-power single-chip microcomputer is responsible for power management control of the main control chip. After the main control chip enters the sleep mode, the single-chip microcomputer wakes up the system according to the set time, and the single-chip microcomputer is preferably a commercially available MPS430. a single chip microcomputer; the main control card further sets a CF memory card for storing data;
  • the main board is configured to maintain a battery and a function button of the real-time clock, and is connected to the single-chip microcomputer in the main control card through a power control line, and supplies the single-chip microcomputer to continuously operate for a long time;
  • the control protection module is provided with a power overvoltage protection circuit, and is connected with the main control card through a digital signal control line to monitor whether the main control card runs normally in real time, otherwise the main control card is restarted by a built-in automatic restart program.
  • the control protection module is further electrically connected to the PC debugging interface and the battery input interface on the anti-pressure end cover respectively inside the pressure resistant cylinder;
  • the optocoupler switch matrix board is responsible for power switch control management, and is connected to the IO pin expansion board through a digital signal control line inside the anti-pressure cylinder body, and outputs a number through a pin on the IO pin expansion board.
  • the signal, the optocoupler switch can turn the circuit on or off after receiving the signal, thereby controlling the external device to turn on or off the power; the number of corresponding optocoupler switches can be determined according to the number of external devices; the optocoupler switch matrix board also passes The power control line is connected to the battery input interface of the anti-pressure end cover.
  • the asynchronous transmission standard interface expansion board includes a serial port expansion module I and a serial port expansion module II; the serial port expansion module I extends a corresponding number of asynchronous transmission standard interfaces through a plurality of function pins on the main control chip;
  • the serial port expansion module II is connected to the main control chip through an address and a data bus, and expands a plurality of asynchronous transmission standard interfaces that can be used in parallel for superposition; finally, the total number of asynchronous transmission standard interfaces that can be used by the main control chip is not less than 12 And all the differences
  • the step transmission standard interface is connected with the watertight socket on the anti-pressure end cover 2 for externally connecting a plurality of external devices based on serial asynchronous communication, such as a PC meter, a sensor, and the like;
  • the analog-to-digital conversion interface expansion board is connected to the main control chip through a synchronous serial bus, and expands at least eight analog-to-digital conversion interfaces that can be accurate to 16 bits for converting analog signals into digital signals;
  • the analog-to-digital conversion interface is connected to the watertight socket 2 on the anti-pressure end cover 2 for externally connecting external devices in the form of analog output;
  • the IO pin expansion board is connected to the main control chip through a synchronous serial bus, and extends at least 56 basic input/output pins for inputting or outputting digital signals; all basic input and output pins are
  • the watertight socket three connection on the pressure end cover 2 is used for externally connecting several digital output type external devices.
  • the circuit board is further provided with a DC-DC DC power conversion module, which can raise or lower the DC power of the battery to output a constant voltage.
  • the DC-DC DC power conversion module is connected to the optocoupler switch matrix board through a power control line; and the battery input interface on the anti-pressure end cover is connected through a power control line.
  • the circuit board mounting bracket includes a fixed disc at two ends and a plurality of mounting rods in the middle; the plurality of mounting rods are parallel to each other, and the end is detachably connected to the fixed disc;
  • the circuit board is provided with a main control board, the control module is integrated on the main control board, and the main control board is further provided with a module stacking position, the main control card, the main board,
  • the optocoupler switch matrix board, the asynchronous transfer standard interface expansion board, the analog-to-digital conversion interface expansion board, and the IO pin expansion board are connected to each other through the module stacking positions on the main control board to facilitate module maintenance and upgrade.
  • the main control board, the main control card, the main board, the optocoupler switch matrix board, the asynchronous transfer standard interface expansion board, the analog-to-digital conversion interface expansion board, and the IO pin expansion board are respectively fixedly mounted on the plurality of mounting rods different positions.
  • the pressure-resistant outer casing can be made of various materials resistant to seawater acid-base corrosion, preferably 316L stainless steel or titanium alloy, and the pressure-resistant outer casing is resistant to seawater pressure between 0 and 11,000 m. .
  • the data acquisition device for underwater use has an open acquisition function through specific mechanical design and circuit design, and can realize "plug and play" for peripheral sensors and the like. It can fully and conveniently utilize the existing hundreds of commercial instruments or sensor systems independently researched by researchers, which can fully meet the needs of multi-dimensional data acquisition in underwater and even deep-sea in-situ detection tasks, and is small in size.
  • the utility model has the advantages of high power consumption and high stability.
  • the data acquisition device of the invention can work continuously and stably for more than three days in different water depth environments, and has the advantages of low power consumption and high stability.
  • the present invention further provides a data acquisition system for underwater, comprising at least one data acquisition device for underwater, a plurality of battery compartments, and a plurality of underwater data.
  • the sensor connected to the acquisition device.
  • the battery compartment comprises a battery compartment casing, and a battery mounting bracket is arranged in the battery compartment casing; a battery switch is provided at one end of the battery mounting bracket, and a battery protection management module is arranged at the other end; a battery is installed on each layer of the battery mounting bracket, and each layer is installed Set the battery connection board.
  • the battery connecting circuit board realizes that the same electrodes of the plurality of batteries are electrically connected together; the battery protection management module realizes battery charging and discharging protection.
  • the sensor connected to the underwater data acquisition device may be a variety of sensors currently available for underwater detection, including pressure sensors, temperature sensors, optical sensors, and the like.
  • FIG. 1 is a schematic diagram showing the overall appearance of a data acquisition device for underwater use according to Embodiment 1 of the present invention.
  • FIG. 2 is a schematic structural view of the data acquisition device for underwater use except the circuit board according to Embodiment 1 of the present invention.
  • FIG. 3 is a schematic exploded view showing the structure of a mechanical power switch and a simple opening device for a data acquisition device for underwater use according to Embodiment 1 of the present invention.
  • FIG. 4 is a schematic diagram of a circuit board mounting structure of a data acquisition device for underwater use according to Embodiment 1 of the present invention.
  • FIG. 5 is a general block diagram of a circuit board connection for a data acquisition device for underwater use according to Embodiment 1 of the present invention.
  • FIG. 6 is a circuit diagram of a circuit control module for a data acquisition device for underwater use according to Embodiment 1 of the present invention.
  • FIG. 7 is a schematic structural diagram of a data acquisition system for underwater use according to Embodiment 2 of the present invention.
  • FIG. 8 is a schematic diagram showing the internal structure of a battery compartment for a data acquisition system for underwater use according to Embodiment 2 of the present invention.
  • the utility model relates to a data collecting device for underwater, as shown in FIG. 1 , the external structure comprises a pressure-resistant cylinder 11 and a pressure-resistant end cover 12 and a pressure-resistant end cover 23 for sealing the two ends of the pressure-resistant cylinder 11 .
  • the pressure end cover 12 is provided with at least four through holes, one of the through holes is provided with a battery input interface 121, one through hole is provided with a PC debugging interface 122, and one through hole is provided with a mechanical type a manual shaft end 123 of the power switch, an opening screw 124 for setting a simple opening device, and at least four through holes for the pressure end cover 23, wherein one through hole is provided with an RS232 interface watertight socket 131, A through hole is provided with an analog-to-digital conversion interface watertight socket 132, and a through hole is provided with an IO pin interface watertight socket 133.
  • the pressure end cap 12 and the pressure end caps 13 are respectively provided with protective flanges 14 extending outward in the axial direction for protecting the watertight sockets provided on the end caps.
  • a mechanical power switch 30 and a simple opening device 40 are disposed in the vicinity of the pressure-resistant end cover 12; a manual shaft end 123 is disposed on the pressure-resistant end cover 12.
  • the inner surface of the through hole has four threaded blind holes; as shown in FIG.
  • the mechanical power switch 30 includes: a cylindrical block 32 having a circumferential protrusion, a manual shaft 33 and a stroke switch 34, and a plurality of openings
  • the 312 is connected to the pressure end cover 12 by the threaded blind hole of the inner surface of the pressure end cover 12, thereby resisting pressure
  • the inner side of the end cover 12 forms a rotating space surrounded by the fixed pressing block 311 and the four screw sleeves 313; one end of the manual rotating shaft 33 is axially fixedly connected with the column block 32 in the rotating space, so that the column block 32 is provided.
  • the protrusion can rotate in the rotating space around the long axis of the manual rotating shaft 33; the other end of the manual rotating shaft 33 passes through the pressure end cover 1 2, the through hole surrounded by the four blind holes, exposed on the outer surface of the pressure end cover 12 to form the manual shaft end 123 of FIG. 1; the stroke switch 34 is disposed on one side of the rotating space to make the column block During the rotation of the protrusion 32, the spring piece of the stroke switch 34 can be touched and pressed; and a limit device for preventing the column block 32 from continuing to rotate is provided beside the stroke switch.
  • the simple opening device 40 includes an opening screw 124, an inner screw 41 and a long screw 42, and the inner screw 41 and the opening screw 124 are located in the inner surface and the outer surface of the compression end cap 12.
  • One end of the tube 41 is screwed to the opening screw 124 through the through hole of the anti-pressure end cover 12 on the opening screw 124, and the other end of the inner screw 41 is screwed to one end of the long screw 42.
  • the inside of the cylinder body 11 is fixedly connected to the inner surface of the pressure-resistant end cover 213.
  • the fixing plate 22 of the circuit board mounting bracket is provided with a hole for the long screw 42 to pass through, and the long screw 42 and the fixed disk 22 are insulated. .
  • the two compression end caps are fixed to the pressure resistant cylinder body, and the inner screw tube 41 can be rotated by screwing the opening screw 124 to be separated from the long screw 42 to complete the opening of the pressure resistant end cover 12.
  • the data collection device is in the pressure-resistant cylinder 11, as shown in FIG. 4, and is further provided with a circuit board mounting bracket and a circuit board.
  • the circuit board mounting bracket is connected to the mounting rod 21 by a plurality of parallel mounting rods 21 and two ends in the middle.
  • the fixed fixed disk 22 is configured; the circuit board is modularly divided into a plurality of pieces according to functions, and is stacked on both sides of the mounting rod 21, including a main control board 23, a power switch management board 24, and an IO pin expansion board.
  • analog to digital conversion interface expansion board 26 RS232 interface expansion board a 27, RS232 Interface expansion board two 28;
  • the main control motherboard 23 is integrated with a CF2 main control card 231 and a control security module 232; the CF2 main control card 231 is a Freescale (Motorola) 68332 as a main control chip, and has an RS232 interface, and is provided with an MPS430 single-chip microcomputer; a main control motherboard
  • the connection relationship between the CF2 main control card 231 of 23 and the other boards, as shown in FIG. 5, includes:
  • the main control chip of the CF2 main control card 231 is connected to the serial port expansion chip on the RS232 interface expansion board 27 through 7 TPU (The Time Processor Unit) pins, and the 7 RS232 interfaces are extended; the circuit of the RS232 interface expansion board 27 is adopted.
  • TPU The Time Processor Unit
  • the main control chip of the CF2 main control card 231 is connected to the serial port expansion chip on the RS232 interface expansion board 28 via the QSPI bus, and the four RS232 interfaces are expanded, which can theoretically be used in parallel; the RS232 interface expansion board 28 uses the ST16C554 chip as the serial port extension. Chip; the invention maximizes the utilization of the resources of the CF2 main card in this way, and expands more RS232 interfaces;
  • the main control chip of the CF2 main control card 231 is connected to the expansion chip of the analog-to-digital conversion interface expansion board 26 through the QSPI bus, and the eight 16-bit analog interfaces are expanded; the analog-to-digital conversion interface expansion board 26 adopts the ADS8344 analog-to-digital conversion chip;
  • the main control chip of the CF2 main control card 231 is connected to the expansion chip of the IO pin expansion board 25 through the QSPI bus, and 56 common IO pins are extended; the foot extension board 25 of the IO introduction CF2 main control card 231 is implemented by two MAX7301 chips. Input and output pin expansion;
  • the control and protection module 232 is composed of a minimum system of ultra-low power MSP430 single-chip microcomputer, and uses the input and output pins of the single-chip microcomputer to control the on/off of the power supply of the CF2 main control card 231; the function is to ensure the stability and reliability of the system, and monitor CF2 in real time. Whether the control card is running normally, otherwise the CF2 main control card 231 is automatically restarted by the control module 232; the control module 232 provides overcurrent and overvoltage protection for the power supply input of the control circuit and the CF2 main control card 231, through a universal serial port. Communicate with the CF2 main control card 231 to obtain whether the system is working normally. The system is restarted by controlling the power switch part.
  • the circuit principle is shown in FIG. 6;
  • the circuit of the power switch management board 24 is formed by combining a plurality of industrial grade AQZ10 optocoupler relays (switches) to form an optocoupler switch matrix, and is connected to the IO pin expansion board 25 through a digital signal control line, and is led through the IO pin extension board.
  • the foot outputs a digital signal, and the optocoupler relay can turn on or off the circuit after receiving the signal, thereby controlling the external device to turn on or off the power; the number of the corresponding optocoupler relay can be determined according to the number of external devices; the power switch management board 24 is also provided DC ⁇ DC
  • the DC power conversion module can raise or lower the DC power of the battery to output a constant voltage; multiple industrial grade AQZ10 optocouplers are connected to the DC-DC DC power conversion module through the power control line, DC
  • the DC power conversion module is connected to the battery input interface 121 on the anti-pressure end cover 12 through a power control line;
  • the main control motherboard 23 is also provided with two function buttons and a button battery, and the MPS430 single-chip microcomputer supplied to the CF2 main control card 231 is continuously powered for a long time;
  • the circuit board has a total of 12 RS232 interfaces, 8 analog interfaces, 56 common IO pin interfaces, and 12 RS232 interfaces are connected to the internal pressure-resistant cylinder 11 through the digital signal control line.
  • the RS232 interface watertight socket 131 on the end cover 2 13 and the 8 analog interfaces are connected to the pressure-proof end cover on the anti-pressure end cap 21 through the digital signal control line.
  • the analog-to-digital conversion interface watertight socket 132, 56 common IO leads The foot interface is connected to the IO pin interface watertight socket 133 on the anti-pressure end cover 2 through the digital signal control line inside the anti-pressure cylinder 11;
  • the stroke switch 34 of FIG. 3 is electrically connected to the control module 232 on the circuit board master motherboard 23 of FIG. 4 inside the pressure resistant cylinder 11.
  • the manual shaft end 123 located on the outer surface of the pressure-resistant end cover 12 can be manually rotated to drive the column block 32 to rotate.
  • the protrusion of the column block 32 will be pressed.
  • the spring piece of the switch 34, the trip switch 34 circuit is turned on, thereby starting the circuit board electrically connected thereto; otherwise, the circuit board is closed.
  • the pressure resistant cylinder 11 is made of 316L stainless steel or titanium alloy.
  • the pressure-resistant cylinder 11 and the pressure-resistant end caps are all water-tightly treated, wherein the pressure-resistant end cover 12, the pressure-resistant end cover 23 and the pressure-resistant cylinder 11 are sealed by a bevel;
  • the power switch, the simple opening device and the pressure end cover 12 are axially sealed; the pressure end cover 12 and the watertight socket on the pressure end cover 23 are flat sealed.
  • the data collection device of this embodiment can be used in a 0-6000 m water depth environment, and more than 10 sensors can be connected at the same time for in-situ synchronous data acquisition.
  • the main control board, stacking and connecting the functional module circuit boards, and designing each functional module circuit board to minimize the size, the circuit board and the mounting bracket are realized in the limited space of the data acquisition device.
  • the greatest degree of close integration saves space, facilitates the connection of modules, and facilitates separate maintenance and upgrade of modules.
  • a data acquisition system for underwater includes:
  • One or more sensors 65 are provided.
  • the battery compartment structure is as shown in FIG. 8, including a battery compartment casing 71, a battery compartment 76 is disposed in the battery compartment casing 71; a battery switch 73 is disposed at one end of the battery mounting bracket 72, and a battery protection management module 74 is disposed at the other end;
  • the battery mount 72 is provided with a plurality of rechargeable batteries 75 per layer, and a battery connection circuit board 76 is provided for each layer.
  • the battery connection circuit board 76 electrically connects the same electrodes of the plurality of rechargeable batteries 75; the battery protection management module 74 implements charge and discharge protection of the rechargeable battery 75.
  • Test duration 1 to 3 days
  • the data acquisition system of the embodiment has high stability and low power consumption, and can effectively collect a plurality of underwater data.

Abstract

Provided is an underwater data collection device, comprising: a watertight pressure-resistant housing, wherein a data collection system is arranged in the watertight pressure-resistant housing; the watertight pressure-resistant housing comprises a pressure-resistant cylinder, a pressure-resistant end cover I and a pressure-resistant end cover II; the pressure-resistant end covers I and II are both provided with a plurality of through holes, and the through holes are at least provided with a watertight socket or a watertight plug according to requirements; the data collection system is provided with a circuit board mounting rack, and a circuit board is mounted on the circuit board mounting rack; the circuit board is provided with at least 12 asynchronous transmission standard interfaces, at least eight analogue input interfaces and at least 56 basic input/output interfaces, and the asynchronous transmission standard interfaces are connected to the watertight sockets on the pressure-resistant end covers, and are then connected to external devices via the watertight sockets; and the circuit board is also provided with an optocoupler switch matrix to control the turning-on of the external devices or the turning-off of a power supply, and the number of optocoupler switches corresponds to the number of external devices. The data collection device of the present invention can synchronously collect a plurality of kinds of underwater target data in situ, and has various advantages, such as low energy consumption and high stability. Also provided is an underwater data collection system based on the device.

Description

水下数据采集设备及系统Underwater data acquisition device and system 技术领域Technical field
本发明涉及一种数据采集设备，具体涉及一种用于水下作业环境的数据采集设备。The invention relates to a data acquisition device, in particular to a data acquisition device for an underwater working environment.
背景技术Background technique
海洋是人类的资源宝库，也是国家利益维护的战略重地。随着人们对海洋环境的科学研究、商业开发及沿海军事防御等兴趣的日益增加，信息化、现代化的海洋开发技术和海洋环境科学研究日益受到关注。The ocean is a treasure trove of human resources and a strategic focus for the maintenance of national interests. With the increasing interest in scientific research, commercial development and coastal military defense of the marine environment, information technology, modern marine development technology and marine environmental science research have received increasing attention.
在海洋科学研究中，高精度、可实时进行采集的水下环境数据采集系统在开发海洋资源、研究海洋物理现象等方面都有着十分重要的作用。特别是在水下乃至深海中进行多种数据的原位同步采集，对于准确地开展水下探测研究来说具有非常重要的意义。In marine scientific research, high-precision, real-time acquisition of underwater environmental data acquisition systems plays an important role in the development of marine resources and the study of marine physical phenomena. Especially in-situ synchronous acquisition of various data in underwater and even deep sea is very important for accurate underwater exploration research.
因此有必要提供一种能够在水下乃至深海中原位同步采集多种数据的数据采集设备，以满足更高的探测研究需求。Therefore, it is necessary to provide a data acquisition device capable of synchronously acquiring multiple data in situ under water or even in the deep sea to meet higher detection research needs.
发明内容Summary of the invention
鉴于上述技术背景，本发明的首要目的在于：提出一种可用于水下，特别是用于深水中的数据采集设备，具有开放式功能设计，可原位同步采集多种水下目标数据。In view of the above technical background, the primary object of the present invention is to provide a data acquisition device that can be used underwater, especially in deep water, with an open function design, which can simultaneously acquire multiple underwater target data in situ.
本发明的上述目的通过以下技术方案实现：The above object of the present invention is achieved by the following technical solutions:
首先，提供一种用于水下的数据采集设备，包括：水密抗压外壳；所述的水密抗压外壳内部设有数据采集系统；Firstly, a data collecting device for underwater use is provided, comprising: a watertight and pressure resistant outer casing; and the watertight and pressure resistant outer casing is provided with a data collecting system;
所述的水密抗压外壳整体呈筒状，包括抗压筒体和封闭所述抗压筒体两端的抗压端盖一和抗压端盖二；所述的抗压端盖一、二均开有若干通孔，所述的通孔上根据需要至少设置水密插座或水密堵头；The watertight pressure-resistant outer casing is generally cylindrical, and comprises a pressure-resistant cylinder body and a pressure-resistant end cover 1 and a pressure-resistant end cover 2 for sealing both ends of the pressure-resistant cylinder body; and the pressure-resistant end cover one or two Opening a plurality of through holes, wherein the through holes are provided with at least a watertight socket or a watertight plug;
所述的数据采集系统设置电路板安装架，所述的电路板安装架与所述的水密抗压外壳内表面固定连接；所述的电路板安装架上装有电路板；所述的电路板设置至少12个异步传输标准接口、至少8个模拟输入接口和至少56个基本输入输出接口，所述的异步传输标准接口与所述的抗压端盖上的水密插座连接，进而通过水密插座连接外接设备；所述的电路板还设置 光耦开关矩阵，控制所述的外接设备接通或断开电源，所述的光耦开关数量与所述的外接设备数量相对应。The data acquisition system is provided with a circuit board mounting bracket, the circuit board mounting bracket is fixedly connected to the inner surface of the watertight pressure-resistant housing; the circuit board mounting frame is provided with a circuit board; the circuit board setting At least 12 asynchronous transmission standard interfaces, at least 8 analog input interfaces, and at least 56 basic input/output interfaces, wherein the asynchronous transmission standard interface is connected to the watertight socket on the anti-pressure end cover, and then connected through a watertight socket Device; the board is also set The optocoupler switch matrix controls the external device to turn on or off the power source, and the number of the optocoupler switches corresponds to the number of the external devices.
本发明优选的方案中，所述的抗压端盖一和抗压端盖二分别设有沿轴向向外伸出的保护法兰，用于保护端盖上设置的水密插座和堵头。In a preferred embodiment of the present invention, the pressure-resistant end cap 1 and the pressure-resistant end cap 2 are respectively provided with protective flanges extending outward in the axial direction for protecting the watertight socket and the plug disposed on the end cap.
本发明优选的方案中，所述的抗压筒体内，在抗压端盖一附近设有机械式电源开关，所述的抗压端盖一的某一个通孔周围内表面开有若干螺纹盲孔；所述的机械式电源开关包括：机械开关安装架、有周向凸起的柱体拨块、手动转轴和行程开关；所述的机械开关安装架包括开有若干通孔的固定压块、若干长螺丝、以及与所述长螺丝相配合的若干螺丝套管，所述的螺丝套管处于所述的抗压端盖一与所述的固定压块之间，所述的长螺丝依次穿过固定压块上的通孔和螺丝套管后利用所述的抗压端盖一内表面的螺纹盲孔连接抗压端盖一，由此在抗压端盖一内侧形成由所述的固定压块和若干螺丝套管围成的旋转空间；所述的手动转轴的一端在所述旋转空间内与所述的柱体拨块轴向固定连接，使所述柱体拨块的凸起可围绕手动转轴的长轴在所述旋转空间内转动；所述的手动转轴另一端穿过所述的抗压端盖一上所述若干盲孔所围绕的通孔，露于抗压端盖一的外表面上；所述的行程开关设置在所述旋转空间一侧，使所述柱体拨块的凸起旋转过程中可触碰并压迫行程开关的弹簧片；所述的行程开关在抗压筒体内部与所述的电路板电连接。使用中可以手动旋转位于抗压端盖一外表面上的手动转轴的一端，使其带动所述柱体拨块旋转，当旋转至一定程度时，柱体拨块的凸起会压迫行程开关弹簧片，行程开关电路接通，从而启动与其电连接的电路板；反之则关闭电路板。In a preferred embodiment of the present invention, a mechanical power switch is disposed in the vicinity of the pressure resistant end cap, and a plurality of thread blinds are formed on the inner surface of one of the through holes of the pressure resistant end cap The mechanical power switch includes: a mechanical switch mount, a circumferentially protruding cylinder block, a manual shaft and a travel switch; the mechanical switch mount includes a fixed clamp having a plurality of through holes a plurality of long screws, and a plurality of screw sleeves cooperating with the long screws, the screw sleeves being between the compression end caps and the fixed pressing block, the long screws in turn After passing through the through hole and the screw sleeve on the fixed pressing block, the anti-pressure end cover is connected by the threaded blind hole of the inner surface of the anti-pressure end cover, thereby forming an inner side of the anti-pressure end cover a rotating space surrounded by the fixed pressing block and the plurality of screw sleeves; one end of the manual rotating shaft is axially fixedly connected to the column block in the rotating space, so that the protrusion of the column block Rotating within the rotating space about a long axis of the manual shaft; The other end of the manual rotating shaft passes through the through hole of the pressure-resistant end cover and surrounded by the plurality of blind holes, and is exposed on the outer surface of the pressure-resistant end cover 1; the travel switch is disposed at the rotation On one side of the space, the spring piece of the travel switch can be touched and pressed during the rotation of the protrusion of the column block; the stroke switch is electrically connected to the circuit board inside the pressure resistant cylinder. In use, one end of the manual rotating shaft located on an outer surface of the pressure resistant end cover can be manually rotated to drive the column block to rotate. When rotated to a certain extent, the protrusion of the column block will press the stroke switch spring. The chip, the trip switch circuit is turned on, thereby starting the circuit board that is electrically connected thereto; otherwise, the circuit board is turned off.
本发明优选的方案中，所述的抗压端盖一上还设有简易开仓装置，所述的简易开仓装置包括开仓螺钉、内螺管和长螺杆，所述的内螺管和开仓螺钉分处于所述抗压端盖一内、外表面，所述的内螺管的一端通过抗压端盖一的某一通孔与所述的开仓螺钉相互螺纹连接，所述的内螺管另一端与所述长螺杆的一端螺纹连接，所述的长螺杆贯穿整个抗压筒体内部，另一端与所述的抗压端盖二内表面固定连接；由此实现两抗压端盖与抗压筒体的固定，并且可以通过旋拧所述的开仓螺钉带动所述的内螺管旋转，与所述的长螺杆分离，以完成抗压端盖一的开启。In a preferred embodiment of the present invention, the pressure end cap is further provided with a simple opening device, and the simple opening device comprises an opening screw, an inner screw and a long screw, and the inner screw and The opening screw is located on an inner surface and an outer surface of the pressure end cover, and one end of the inner screw is screwed to the opening screw through a through hole of the pressure end cover, the inner portion The other end of the screw is screwed to one end of the long screw, the long screw runs through the whole of the pressure resistant cylinder body, and the other end is fixedly connected with the inner surface of the pressure resistant end cover; thereby realizing the two compression ends The cover is fixed to the anti-pressure cylinder, and the inner screw can be rotated by screwing the opening screw to separate from the long screw to complete the opening of the compression end cap.
本发明更优选的方案中，所述的抗压端盖一上的部分水密插座被设置为PC调试接口和电池输入接口。 In a more preferred embodiment of the present invention, a portion of the watertight socket on the compression end cap is provided as a PC debug interface and a battery input interface.
本发明优选的方案中，所述的抗压端盖二上的水密插座分为三组，在抗压筒体内部分别与所述的电路板的异步传输标准接口、模拟输入接口和基本输入输出接口电连接，用于在抗压筒体外与相应的外接设备电连接。In a preferred solution of the present invention, the watertight sockets on the pressure resistant end cover 2 are divided into three groups, and the asynchronous transmission standard interface, the analog input interface and the basic input and output respectively with the circuit board inside the pressure resistant cylinder body. The interface is electrically connected to electrically connect to the corresponding external device outside the anti-pressure cylinder.
本发明优选的方案中，所述的抗压端盖一、抗压端盖二与所述的抗压筒体之间采用斜面密封；所述的机械式电源开关、简易开仓装置与所述的端盖一之间采用轴向密封；所述的抗压端盖一、抗压端盖二上的水密堵头和水密插座采用平面密封。In a preferred embodiment of the present invention, the pressure end cap, the pressure end cap 2 and the pressure resistant cylinder are sealed by a bevel; the mechanical power switch, the simple opening device and the The end cover is axially sealed; the pressure end cap is first, and the watertight plug and the watertight socket on the pressure end cap are flat sealed.
本发明优选的方案中，所述的电路板，具体包括主控制卡、主板、控保模块、光耦开关矩阵板、异步传输标准接口扩展板、模数转换接口扩展板和IO引脚扩展板；In a preferred solution of the present invention, the circuit board specifically includes a main control card, a main board, a control module, an optocoupler switch matrix board, an asynchronous transmission standard interface expansion board, an analog-to-digital conversion interface expansion board, and an IO-pin expansion board. ;
所述的主控卡设置主控芯片，所述的主控芯片内置有定时应用功能的协处理器，所述的芯片优选市售的Freescale 68332芯片；所述的主控卡还设置具有精简指令集的低功耗单片机，负责所述主控芯片的电源管理控制，当所述主控芯片进入休眠模式后，所述的单片机根据设定的时间唤醒系统，所述的单片机优选市售的MPS430单片机；所述的主控卡还设置CF存储卡用于存储数据；The main control card is provided with a main control chip, the main control chip has a coprocessor with a timing application function, and the chip is preferably a commercially available Freescale 68332 chip; the main control card is also provided with a reduced instruction The set of low-power single-chip microcomputer is responsible for power management control of the main control chip. After the main control chip enters the sleep mode, the single-chip microcomputer wakes up the system according to the set time, and the single-chip microcomputer is preferably a commercially available MPS430. a single chip microcomputer; the main control card further sets a CF memory card for storing data;
所述的主板设置用于维持实时时钟的电池和功能按钮，通过电源控制线与所述的主控卡内单片机连接，供给所述单片机不断电长期工作；The main board is configured to maintain a battery and a function button of the real-time clock, and is connected to the single-chip microcomputer in the main control card through a power control line, and supplies the single-chip microcomputer to continuously operate for a long time;
所述的控保模块设置电源过压保护电路，通过数字信号控制线与所述的主控卡连接，实时监控主控卡是否正常运行，否则通过内置的自动重启程序重启所述的主控卡；所述的控保模块还与所述的抗压端盖一上的PC调试接口和电池输入接口在抗压筒体内部分别电连接；The control protection module is provided with a power overvoltage protection circuit, and is connected with the main control card through a digital signal control line to monitor whether the main control card runs normally in real time, otherwise the main control card is restarted by a built-in automatic restart program. The control protection module is further electrically connected to the PC debugging interface and the battery input interface on the anti-pressure end cover respectively inside the pressure resistant cylinder;
所述的光耦开关矩阵板负责电源开关控制管理，在所述抗压筒体内部通过数字信号控制线与所述的IO引脚扩展板连接，通过IO引脚扩展板上的引脚输出数字信号，光耦开关接受到信号后就能打开或关闭电路，从而控制外接设备接通或断开电源；可根据外接设备的数量确定相应光耦开关数量；所述的光耦开关矩阵板还通过电源控制线与所述抗压端盖一上电池输入接口连接。The optocoupler switch matrix board is responsible for power switch control management, and is connected to the IO pin expansion board through a digital signal control line inside the anti-pressure cylinder body, and outputs a number through a pin on the IO pin expansion board. The signal, the optocoupler switch can turn the circuit on or off after receiving the signal, thereby controlling the external device to turn on or off the power; the number of corresponding optocoupler switches can be determined according to the number of external devices; the optocoupler switch matrix board also passes The power control line is connected to the battery input interface of the anti-pressure end cover.
所述的异步传输标准接口扩展板包括串口扩展模块I和串口扩展模块II；所述的串口扩展模块I通过所述主控芯片上的若干功能引脚扩展出相应数量的异步传输标准接口；所述的串口扩展模块II通过地址和数据总线连接所述主控芯片，扩展出若干可并联叠加使用的异步传输标准接口；最终使所述主控芯片可使用的异步传输标准接口总数不少于12，且所有的异 步传输标准接口都与所述抗压端盖二上的水密插座一连接，用于外接若干基于串行异步通信的外接设备，如PC计、传感器等；The asynchronous transmission standard interface expansion board includes a serial port expansion module I and a serial port expansion module II; the serial port expansion module I extends a corresponding number of asynchronous transmission standard interfaces through a plurality of function pins on the main control chip; The serial port expansion module II is connected to the main control chip through an address and a data bus, and expands a plurality of asynchronous transmission standard interfaces that can be used in parallel for superposition; finally, the total number of asynchronous transmission standard interfaces that can be used by the main control chip is not less than 12 And all the differences The step transmission standard interface is connected with the watertight socket on the anti-pressure end cover 2 for externally connecting a plurality of external devices based on serial asynchronous communication, such as a PC meter, a sensor, and the like;
所述的模数转换接口扩展板通过同步串行总线连接所述的主控芯片，扩展出至少8路可精确到16位的模数转换接口，用于将模拟信号转化为数字信号；所有的模数转换接口都与所述抗压端盖二上的水密插座二连接，用于外接若干模拟输出形式的外接设备；The analog-to-digital conversion interface expansion board is connected to the main control chip through a synchronous serial bus, and expands at least eight analog-to-digital conversion interfaces that can be accurate to 16 bits for converting analog signals into digital signals; The analog-to-digital conversion interface is connected to the watertight socket 2 on the anti-pressure end cover 2 for externally connecting external devices in the form of analog output;
所述的IO引脚扩展板通过同步串行总线连接所述的主控芯片，扩展出至少56个基本输入输出引脚用来输入或输出数字信号；所有的基本输入输出引脚都与所述抗压端盖二上的水密插座三连接，用于外接若干数字输出型外接设备。The IO pin expansion board is connected to the main control chip through a synchronous serial bus, and extends at least 56 basic input/output pins for inputting or outputting digital signals; all basic input and output pins are The watertight socket three connection on the pressure end cover 2 is used for externally connecting several digital output type external devices.
本发明进一步优选的方案中，所述的电路板还设置DC‐DC直流电源转换模块，能够将电池的直流电源升高或降低电压，使其能输出一个恒定的电压。所述的DC‐DC直流电源转换模块通过电源控制线连接所述的光耦开关矩阵板；同时通过电源控制线连接所述的抗压端盖一上的电池输入接口。In a further preferred embodiment of the present invention, the circuit board is further provided with a DC-DC DC power conversion module, which can raise or lower the DC power of the battery to output a constant voltage. The DC-DC DC power conversion module is connected to the optocoupler switch matrix board through a power control line; and the battery input interface on the anti-pressure end cover is connected through a power control line.
本发明进一步优选的方案中，所述的电路板安装架包括两端的固定盘和中间的若干安装杆；所述的若干安装杆相互平行，端头与所述的固定盘呈可拆卸连接；所述的电路板设置主控母板，所述的控保模块集成于所述的主控母板上，所述的主控母板上还设置模块层叠位，所述的主控制卡、主板、光耦开关矩阵板、异步传输标准接口扩展板、模数转换接口扩展板和IO引脚扩展板均通过所述的主控母板上的模块层叠位相互层叠式连接，便于模块的维护和升级；所述的主控母板、主控制卡、主板、光耦开关矩阵板、异步传输标准接口扩展板、模数转换接口扩展板和IO引脚扩展板分别固定安装在所述若干安装杆的不同位置。In a further preferred embodiment of the present invention, the circuit board mounting bracket includes a fixed disc at two ends and a plurality of mounting rods in the middle; the plurality of mounting rods are parallel to each other, and the end is detachably connected to the fixed disc; The circuit board is provided with a main control board, the control module is integrated on the main control board, and the main control board is further provided with a module stacking position, the main control card, the main board, The optocoupler switch matrix board, the asynchronous transfer standard interface expansion board, the analog-to-digital conversion interface expansion board, and the IO pin expansion board are connected to each other through the module stacking positions on the main control board to facilitate module maintenance and upgrade. The main control board, the main control card, the main board, the optocoupler switch matrix board, the asynchronous transfer standard interface expansion board, the analog-to-digital conversion interface expansion board, and the IO pin expansion board are respectively fixedly mounted on the plurality of mounting rods different positions.
本发明的数据采集设备中，所述的抗压外壳可以采用多种抗海水酸碱腐蚀的材料制造，优选316L不锈钢或钛合金，所述的抗压外壳抗海水压力深度在0～11000m之间。In the data collecting device of the present invention, the pressure-resistant outer casing can be made of various materials resistant to seawater acid-base corrosion, preferably 316L stainless steel or titanium alloy, and the pressure-resistant outer casing is resistant to seawater pressure between 0 and 11,000 m. .
与现有技术相比，本发明所述的用于水下的数据采集设备，通过特定的机械设计和电路设计，具有开放式的采集功能，可对外围传感器等设备实现“即插即用”，可以充分且方便地利用现有的上百种商业化仪器或研究人员自主研发的传感器系统，能够充分满足水下，甚至是深海原位探测任务中的多维度数据采集的需求，且体积小、安全性高，经实地海试验证，本发明的数据采集设备可在不同水深环境连续稳定地工作3天以上，具有功耗低、稳定性高的优点。 Compared with the prior art, the data acquisition device for underwater use according to the present invention has an open acquisition function through specific mechanical design and circuit design, and can realize "plug and play" for peripheral sensors and the like. It can fully and conveniently utilize the existing hundreds of commercial instruments or sensor systems independently researched by researchers, which can fully meet the needs of multi-dimensional data acquisition in underwater and even deep-sea in-situ detection tasks, and is small in size. The utility model has the advantages of high power consumption and high stability. The data acquisition device of the invention can work continuously and stably for more than three days in different water depth environments, and has the advantages of low power consumption and high stability.
在此基础上，本发明进一步提供一种用于水下的数据采集系统，包括至少一台本发明所述的用于水下的数据采集设备、若干电池仓及若干与所述的水下的数据采集设备连接的传感器。Based on this, the present invention further provides a data acquisition system for underwater, comprising at least one data acquisition device for underwater, a plurality of battery compartments, and a plurality of underwater data. The sensor connected to the acquisition device.
所述的电池仓包括电池仓外壳，电池仓外壳内设置分层的电池安装架；电池安装架一端设置电源开关，另一端设置电池保护管理模块；电池安装架每层安装若干电池，且每层设置电池连接电路板。所述的电池连接电路板实现多颗电池的同一电极电气连接在一起；所述的电池保护管理模块实现电池充放电保护。The battery compartment comprises a battery compartment casing, and a battery mounting bracket is arranged in the battery compartment casing; a battery switch is provided at one end of the battery mounting bracket, and a battery protection management module is arranged at the other end; a battery is installed on each layer of the battery mounting bracket, and each layer is installed Set the battery connection board. The battery connecting circuit board realizes that the same electrodes of the plurality of batteries are electrically connected together; the battery protection management module realizes battery charging and discharging protection.
所述的与所述的水下的数据采集设备连接的传感器可以是现有可用于水下探测的多种传感器，包括压力传感器、温度传感器、光学传感器等等。The sensor connected to the underwater data acquisition device may be a variety of sensors currently available for underwater detection, including pressure sensors, temperature sensors, optical sensors, and the like.
附图说明DRAWINGS
图1是本发明实施例1所述的用于水下的数据采集设备整体外观结构示意图。1 is a schematic diagram showing the overall appearance of a data acquisition device for underwater use according to Embodiment 1 of the present invention.
图2是本发明实施例1所述的用于水下的数据采集设备内部除电路板以外的结构示意图。2 is a schematic structural view of the data acquisition device for underwater use except the circuit board according to Embodiment 1 of the present invention.
图3是本发明实施例1所述的用于水下的数据采集设备机械电源开关结构和简易开仓装置结构分解示意图。3 is a schematic exploded view showing the structure of a mechanical power switch and a simple opening device for a data acquisition device for underwater use according to Embodiment 1 of the present invention.
图4是本发明实施例1所述的用于水下的数据采集设备电路板安装结构示意图。4 is a schematic diagram of a circuit board mounting structure of a data acquisition device for underwater use according to Embodiment 1 of the present invention.
图5是本发明实施例1所述的用于水下的数据采集设备电路板连接总体框图。FIG. 5 is a general block diagram of a circuit board connection for a data acquisition device for underwater use according to Embodiment 1 of the present invention.
图6是本发明实施例1所述的用于水下的数据采集设备板控保模块电路原理图。6 is a circuit diagram of a circuit control module for a data acquisition device for underwater use according to Embodiment 1 of the present invention.
图7是本发明实施例2所述的用于水下的数据采集系统的组成结构示意图。FIG. 7 is a schematic structural diagram of a data acquisition system for underwater use according to Embodiment 2 of the present invention.
图8是本发明实施例2所述的用于水下的数据采集系统电池仓内部结构示意图。FIG. 8 is a schematic diagram showing the internal structure of a battery compartment for a data acquisition system for underwater use according to Embodiment 2 of the present invention.
具体实施方式detailed description
下面以列举实施例的方式进一步详细阐述本发明的技术方案，但本发明的技术方案并不限于所列举的实施例。The technical solutions of the present invention are further elaborated in the following by way of examples, but the technical solutions of the present invention are not limited to the illustrated embodiments.
实施例1Example 1
一种用于水下的数据采集设备，如图1所示，其外部结构包括抗压筒体11和封闭抗压筒体11两端的抗压端盖一12和抗压端盖二13，抗压端盖一12上设有至少4个通孔，其中一个通孔上设有电池输入接口121、一个通孔上设有PC调试接口122、一个通孔上设置机械式 电源开关的手动转轴端头123、一个设置简易开仓装置的开仓螺钉124；抗压端盖二13上也设有至少4个通孔，其中一个通孔上设有RS232接口水密插座131、一个通孔上设有模数转换接口水密插座132、一个通孔上设有IO引脚接口水密插座133。抗压端盖一12和抗压端盖二13分别设有沿轴向向外伸出的保护法兰14，用于保护端盖上设置的水密插座。The utility model relates to a data collecting device for underwater, as shown in FIG. 1 , the external structure comprises a pressure-resistant cylinder 11 and a pressure-resistant end cover 12 and a pressure-resistant end cover 23 for sealing the two ends of the pressure-resistant cylinder 11 . The pressure end cover 12 is provided with at least four through holes, one of the through holes is provided with a battery input interface 121, one through hole is provided with a PC debugging interface 122, and one through hole is provided with a mechanical type a manual shaft end 123 of the power switch, an opening screw 124 for setting a simple opening device, and at least four through holes for the pressure end cover 23, wherein one through hole is provided with an RS232 interface watertight socket 131, A through hole is provided with an analog-to-digital conversion interface watertight socket 132, and a through hole is provided with an IO pin interface watertight socket 133. The pressure end cap 12 and the pressure end caps 13 are respectively provided with protective flanges 14 extending outward in the axial direction for protecting the watertight sockets provided on the end caps.
如图2所示，抗压筒体11内部，在抗压端盖一12附近设有机械式电源开关30和简易开仓装置40；抗压端盖一12上设置了手动转轴端头123的通孔周围内表面开有4个螺纹盲孔；如图3所示，机械式电源开关30包括：有周向凸起的柱体拨块32、手动转轴33和行程开关34、开有若干通孔的固定压块311、4个长螺丝312、以及与长螺丝312相配合的4个螺丝套管313，螺丝套管313处于抗压端盖一12与固定压块311之间，所有长螺丝312分别依次穿过固定压块311上的通孔和与之配套的螺丝套管313后，利用抗压端盖一12内表面的螺纹盲孔连接抗压端盖一12，由此在抗压端盖一12内侧形成由固定压块311和4个螺丝套管313围成的旋转空间；手动转轴33的一端在旋转空间内与柱体拨块32轴向固定连接，使柱体拨块32的凸起可围绕手动转轴33的长轴在旋转空间内转动；手动转轴33另一端穿过抗压端盖一12上4个盲孔所围绕的通孔，露于抗压端盖一12的外表面上形成图1中的手动转轴端头123；行程开关34设置在旋转空间一侧，使柱体拨块32的凸起旋转过程中可触碰并压迫行程开关34的弹簧片；行程开关旁边设有阻止柱体拨块32继续转动的限位装置。As shown in FIG. 2, inside the pressure-resistant cylinder 11, a mechanical power switch 30 and a simple opening device 40 are disposed in the vicinity of the pressure-resistant end cover 12; a manual shaft end 123 is disposed on the pressure-resistant end cover 12. The inner surface of the through hole has four threaded blind holes; as shown in FIG. 3, the mechanical power switch 30 includes: a cylindrical block 32 having a circumferential protrusion, a manual shaft 33 and a stroke switch 34, and a plurality of openings The fixed pressing block 311 of the hole, the four long screws 312, and the four screw sleeves 313 matched with the long screws 312, the screw sleeve 313 is between the compression end cover 12 and the fixed pressing block 311, all the long screws After passing through the through hole of the fixed clamp 311 and the screw sleeve 313 matched thereto, the 312 is connected to the pressure end cover 12 by the threaded blind hole of the inner surface of the pressure end cover 12, thereby resisting pressure The inner side of the end cover 12 forms a rotating space surrounded by the fixed pressing block 311 and the four screw sleeves 313; one end of the manual rotating shaft 33 is axially fixedly connected with the column block 32 in the rotating space, so that the column block 32 is provided. The protrusion can rotate in the rotating space around the long axis of the manual rotating shaft 33; the other end of the manual rotating shaft 33 passes through the pressure end cover 1 2, the through hole surrounded by the four blind holes, exposed on the outer surface of the pressure end cover 12 to form the manual shaft end 123 of FIG. 1; the stroke switch 34 is disposed on one side of the rotating space to make the column block During the rotation of the protrusion 32, the spring piece of the stroke switch 34 can be touched and pressed; and a limit device for preventing the column block 32 from continuing to rotate is provided beside the stroke switch.
如图3所示，简易开仓装置40包括开仓螺钉124、内螺管41和长螺杆42，内螺管41和开仓螺钉124分处于抗压端盖一12内、外表面，内螺管41的一端通过抗压端盖一12上开仓螺钉124所在的通孔与开仓螺钉124相互螺纹连接，内螺管41另一端与长螺杆42的一端螺纹连接，长螺杆42贯穿整个抗压筒体11内部，另一端与抗压端盖二13内表面固定连接；电路板安装架的固定盘22开有孔洞供长螺杆42穿过，且长螺杆42与固定盘22之间保持绝缘。由此实现两抗压端盖与抗压筒体的固定，并且可以通过旋拧开仓螺钉124带动内螺管41旋转，进而与长螺杆42分离，以完成抗压端盖一12的开启。As shown in FIG. 3, the simple opening device 40 includes an opening screw 124, an inner screw 41 and a long screw 42, and the inner screw 41 and the opening screw 124 are located in the inner surface and the outer surface of the compression end cap 12. One end of the tube 41 is screwed to the opening screw 124 through the through hole of the anti-pressure end cover 12 on the opening screw 124, and the other end of the inner screw 41 is screwed to one end of the long screw 42. The inside of the cylinder body 11 is fixedly connected to the inner surface of the pressure-resistant end cover 213. The fixing plate 22 of the circuit board mounting bracket is provided with a hole for the long screw 42 to pass through, and the long screw 42 and the fixed disk 22 are insulated. . Thereby, the two compression end caps are fixed to the pressure resistant cylinder body, and the inner screw tube 41 can be rotated by screwing the opening screw 124 to be separated from the long screw 42 to complete the opening of the pressure resistant end cover 12.
数据采集设备抗压筒11内，如图4所示，还设有电路板安装架和电路板，所述的电路板安装架由中间的若干平行安装杆21和两端与安装杆21插接固定的固定盘22构成；所述的电路板根据功能模块化地分为多块，层叠地安装在安装杆21两侧，包括主控母板23、电源开关管理板24、IO引脚扩展板25、模数转换接口扩展板26、RS232接口扩展板一27、RS232 接口扩展板二28；The data collection device is in the pressure-resistant cylinder 11, as shown in FIG. 4, and is further provided with a circuit board mounting bracket and a circuit board. The circuit board mounting bracket is connected to the mounting rod 21 by a plurality of parallel mounting rods 21 and two ends in the middle. The fixed fixed disk 22 is configured; the circuit board is modularly divided into a plurality of pieces according to functions, and is stacked on both sides of the mounting rod 21, including a main control board 23, a power switch management board 24, and an IO pin expansion board. 25, analog to digital conversion interface expansion board 26, RS232 interface expansion board a 27, RS232 Interface expansion board two 28;
主控母板23上集成有CF2主控卡231和控保模块232；CF2主控卡231以Freescale(Motorola)68332作为主控芯片，自备一个RS232接口，设有MPS430单片机；主控母板23的CF2主控卡231与其他各板之间的连接关系，如图5所示，包括：The main control motherboard 23 is integrated with a CF2 main control card 231 and a control security module 232; the CF2 main control card 231 is a Freescale (Motorola) 68332 as a main control chip, and has an RS232 interface, and is provided with an MPS430 single-chip microcomputer; a main control motherboard The connection relationship between the CF2 main control card 231 of 23 and the other boards, as shown in FIG. 5, includes:
CF2主控卡231的主控芯片通过7个TPU(The Time Processor Unit)引脚连接RS232接口扩展板一27上的串口扩展芯片，扩展出7个RS232接口；RS232接口扩展板一27的电路采用4片工业级别的MAX232芯片进行电平转换和2片74HC138译码器；大多数传感器是以RS232作为通讯接口，因此本发明扩展更多的RS232接口以适用于更多的传感器连接；The main control chip of the CF2 main control card 231 is connected to the serial port expansion chip on the RS232 interface expansion board 27 through 7 TPU (The Time Processor Unit) pins, and the 7 RS232 interfaces are extended; the circuit of the RS232 interface expansion board 27 is adopted. Four industrial grade MAX232 chips for level shifting and two 74HC138 decoders; most sensors use RS232 as the communication interface, so the present invention extends more RS232 interfaces for more sensor connections;
CF2主控卡231的主控芯片通过QSPI总线连接RS232接口扩展板二28上的串口扩展芯片，扩展出4个RS232接口，理论上可以并联使用；RS232接口扩展板二28采用ST16C554芯片作为串口扩展芯片；本发明以此方式最大化地利用了CF2主卡的资源，扩展了更多的RS232接口；The main control chip of the CF2 main control card 231 is connected to the serial port expansion chip on the RS232 interface expansion board 28 via the QSPI bus, and the four RS232 interfaces are expanded, which can theoretically be used in parallel; the RS232 interface expansion board 28 uses the ST16C554 chip as the serial port extension. Chip; the invention maximizes the utilization of the resources of the CF2 main card in this way, and expands more RS232 interfaces;
CF2主控卡231的主控芯片通过QSPI总线连接模数转换接口扩展板26的扩展芯片，扩展出8个16位模拟接口；模数转换接口扩展板26采用ADS8344模数转换芯片；The main control chip of the CF2 main control card 231 is connected to the expansion chip of the analog-to-digital conversion interface expansion board 26 through the QSPI bus, and the eight 16-bit analog interfaces are expanded; the analog-to-digital conversion interface expansion board 26 adopts the ADS8344 analog-to-digital conversion chip;
CF2主控卡231的主控芯片通过QSPI总线连接IO引脚扩展板25的扩展芯片，扩展出56个普通IO引脚；IO引CF2主控卡231的脚扩展板25采用2片MAX7301芯片进行输入输出引脚扩展；The main control chip of the CF2 main control card 231 is connected to the expansion chip of the IO pin expansion board 25 through the QSPI bus, and 56 common IO pins are extended; the foot extension board 25 of the IO introduction CF2 main control card 231 is implemented by two MAX7301 chips. Input and output pin expansion;
控保模块232由超低功耗MSP430单片机最小系统组成，使用该单片机中的输入输出引脚控制CF2主控卡231电源的通断；其作用是确保系统的稳定性和可靠性，实时监控CF2控制卡是否正常运行，否则通过控保模块232自动重启CF2主控卡231；控保模块232提供控保电路及CF2主控卡231电源输入的过流及过压保护，通过一通用串行口与CF2主控卡231通讯来获取系统是否正常工作的信号，通过控制电源开关部分来对系统进行重启，其电路原理如图6所示；The control and protection module 232 is composed of a minimum system of ultra-low power MSP430 single-chip microcomputer, and uses the input and output pins of the single-chip microcomputer to control the on/off of the power supply of the CF2 main control card 231; the function is to ensure the stability and reliability of the system, and monitor CF2 in real time. Whether the control card is running normally, otherwise the CF2 main control card 231 is automatically restarted by the control module 232; the control module 232 provides overcurrent and overvoltage protection for the power supply input of the control circuit and the CF2 main control card 231, through a universal serial port. Communicate with the CF2 main control card 231 to obtain whether the system is working normally. The system is restarted by controlling the power switch part. The circuit principle is shown in FIG. 6;
电源开关管理板24的电路采用多个工业级别的AQZ10光耦继电器(开关)组合形成光耦开关矩阵，通过数字信号控制线与IO引脚扩展板25连接，通过IO引脚扩展板上的引脚输出数字信号，光耦继电器接受到信号后就能打开或关闭电路，从而控制外接设备接通或断开电源；可根据外接设备的数量确定相应光耦继电器数量；电源开关管理板24还设有DC‐DC 直流电源转换模块，能够将电池的直流电源升高或降低电压，使其能输出一个恒定的电压；多个工业级别的AQZ10光耦继电器通过电源控制线与DC‐DC直流电源转换模块连接，DC‐DC直流电源转换模块通过电源控制线与抗压端盖一12上的电池输入接口121连接；The circuit of the power switch management board 24 is formed by combining a plurality of industrial grade AQZ10 optocoupler relays (switches) to form an optocoupler switch matrix, and is connected to the IO pin expansion board 25 through a digital signal control line, and is led through the IO pin extension board. The foot outputs a digital signal, and the optocoupler relay can turn on or off the circuit after receiving the signal, thereby controlling the external device to turn on or off the power; the number of the corresponding optocoupler relay can be determined according to the number of external devices; the power switch management board 24 is also provided DC‐DC The DC power conversion module can raise or lower the DC power of the battery to output a constant voltage; multiple industrial grade AQZ10 optocouplers are connected to the DC-DC DC power conversion module through the power control line, DC The DC power conversion module is connected to the battery input interface 121 on the anti-pressure end cover 12 through a power control line;
主控母板23还设两个功能按键和一颗纽扣电池，供给CF2主控卡231上的MPS430单片机不断电长期工作；The main control motherboard 23 is also provided with two function buttons and a button battery, and the MPS430 single-chip microcomputer supplied to the CF2 main control card 231 is continuously powered for a long time;
最终，本实施例的设备中，电路板总共有12个RS232接口、8个模拟接口、56个普通IO引脚接口，12个RS232接口通过数字信号控制线在抗压筒体11内部连接抗压端盖二13上的RS232接口水密插座131，8个模拟接口通过数字信号控制线在抗压筒体11内部连接抗压端盖二13上的模数转换接口水密插座132，56个普通IO引脚接口通过数字信号控制线在抗压筒体11内部连接抗压端盖二13上的IO引脚接口水密插座133；Finally, in the device of this embodiment, the circuit board has a total of 12 RS232 interfaces, 8 analog interfaces, 56 common IO pin interfaces, and 12 RS232 interfaces are connected to the internal pressure-resistant cylinder 11 through the digital signal control line. The RS232 interface watertight socket 131 on the end cover 2 13 and the 8 analog interfaces are connected to the pressure-proof end cover on the anti-pressure end cap 21 through the digital signal control line. The analog-to-digital conversion interface watertight socket 132, 56 common IO leads The foot interface is connected to the IO pin interface watertight socket 133 on the anti-pressure end cover 2 through the digital signal control line inside the anti-pressure cylinder 11;
图3中的行程开关34在抗压筒体11内部与图4中的电路板主控母板23上的控保模块232电连接。使用中可以手动旋转位于抗压端盖一12外表面上的手动转轴端头123，使其带动柱体拨块32旋转，当旋转至一定程度时，柱体拨块32的凸起会压迫行程开关34的弹簧片，行程开关34电路接通，从而启动与其电连接的电路板；反之则关闭电路板。The stroke switch 34 of FIG. 3 is electrically connected to the control module 232 on the circuit board master motherboard 23 of FIG. 4 inside the pressure resistant cylinder 11. In use, the manual shaft end 123 located on the outer surface of the pressure-resistant end cover 12 can be manually rotated to drive the column block 32 to rotate. When rotated to a certain extent, the protrusion of the column block 32 will be pressed. The spring piece of the switch 34, the trip switch 34 circuit is turned on, thereby starting the circuit board electrically connected thereto; otherwise, the circuit board is closed.
本实施例中，抗压筒体11采用316L不锈钢或钛合金。In the present embodiment, the pressure resistant cylinder 11 is made of 316L stainless steel or titanium alloy.
本实施例中，抗压筒体11及各抗压端盖均进行水密处理，其中，抗压端盖一12、抗压端盖二13与抗压筒体11之间采用斜面密封；机械式电源开关、简易开仓装置与抗压端盖一12之间采用轴向密封；抗压端盖一12、抗压端盖二13上的水密插座采用平面密封。In this embodiment, the pressure-resistant cylinder 11 and the pressure-resistant end caps are all water-tightly treated, wherein the pressure-resistant end cover 12, the pressure-resistant end cover 23 and the pressure-resistant cylinder 11 are sealed by a bevel; The power switch, the simple opening device and the pressure end cover 12 are axially sealed; the pressure end cover 12 and the watertight socket on the pressure end cover 23 are flat sealed.
本实施例的数据采集设备可以用于0‐6000m水深环境，可同时连接10个以上的传感器进行原位同步数据采集。通过设计主控母板、层叠式安装和连接各功能模块电路板，并将各个功能模块电路板以尺寸最小化的原则进行设计，在数据采集设备有限的空间里实现了电路板与安装支架之间最大程度的紧密结合，节约了空间、方便了各模块连接、也便于模块的分别维护和升级。The data collection device of this embodiment can be used in a 0-6000 m water depth environment, and more than 10 sensors can be connected at the same time for in-situ synchronous data acquisition. By designing the main control board, stacking and connecting the functional module circuit boards, and designing each functional module circuit board to minimize the size, the circuit board and the mounting bracket are realized in the limited space of the data acquisition device. The greatest degree of close integration saves space, facilitates the connection of modules, and facilitates separate maintenance and upgrade of modules.
实施例2Example 2
一种用于水下的数据采集系统，如图7所示，包括：A data acquisition system for underwater, as shown in Figure 7, includes:
1台用于5000m水深的不锈钢数采器61，结构如实施例1所述；1 stainless steel collector 61 for 5000 m water depth, the structure is as described in Example 1;
1台用于1800m水深的钛合金数采器62，结构如实施例1所述； 1 set of titanium alloy data collector 62 for 1800 m water depth, the structure is as described in Example 1;
1个用于5000m水深的不锈钢可充电电池仓63；1 stainless steel rechargeable battery compartment 63 for 5000m water depth;
1个用于1800m水深的钛合金可充电电池仓64；1 titanium alloy rechargeable battery compartment 64 for 1800m water depth;
1个或多个传感器65；One or more sensors 65;
可充电电池仓结构如图8所示，包括电池仓外壳71，电池仓外壳71内设置分层的电池安装架72；电池安装架72一端设置电源开关73，另一端设置电池保护管理模块74；电池安装架72每层安装若干充电电池75，且每层设置电池连接电路板76。所述的电池连接电路板76实现多颗充电电池75的同一电极电气连接在一起；所述的电池保护管理模块74实现充电电池75的充放电保护。The battery compartment structure is as shown in FIG. 8, including a battery compartment casing 71, a battery compartment 76 is disposed in the battery compartment casing 71; a battery switch 73 is disposed at one end of the battery mounting bracket 72, and a battery protection management module 74 is disposed at the other end; The battery mount 72 is provided with a plurality of rechargeable batteries 75 per layer, and a battery connection circuit board 76 is provided for each layer. The battery connection circuit board 76 electrically connects the same electrodes of the plurality of rechargeable batteries 75; the battery protection management module 74 implements charge and discharge protection of the rechargeable battery 75.
使用本实施例的数据采集系统进行投放试验：The delivery test is performed using the data acquisition system of the embodiment:
投放地点：广东大亚湾海域；Place of delivery: Guangdong Daya Bay;
测试时长：1～3天；Test duration: 1 to 3 days;
采样间隔：10min；Sampling interval: 10min;
系统测试深度：10～20米；System test depth: 10 to 20 meters;
经投放试验可知，本实施例的数据采集系统工作稳定性高，耗电量低，可有效同步采集多种水下数据。 According to the delivery test, the data acquisition system of the embodiment has high stability and low power consumption, and can effectively collect a plurality of underwater data.

Claims (13)

  1. 一种用于水下的数据采集设备，其特征在于，包括：水密抗压外壳；所述的水密抗压外壳内部设有数据采集系统；A data collecting device for underwater use, comprising: a watertight and pressure resistant outer casing; wherein the watertight and pressure resistant outer casing is provided with a data collecting system;
    所述的水密抗压外壳整体呈筒状，包括抗压筒体和封闭所述抗压筒体两端的抗压端盖一和抗压端盖二；所述的抗压端盖一、二均开有若干通孔，所述的通孔上根据需要至少设置水密插座或水密堵头；The watertight pressure-resistant outer casing is generally cylindrical, and comprises a pressure-resistant cylinder body and a pressure-resistant end cover 1 and a pressure-resistant end cover 2 for sealing both ends of the pressure-resistant cylinder body; and the pressure-resistant end cover one or two Opening a plurality of through holes, wherein the through holes are provided with at least a watertight socket or a watertight plug;
    所述的数据采集系统设置电路板安装架，所述的电路板安装架与所述的水密抗压外壳内表面固定连接；所述的电路板安装架上装有电路板；所述的电路板设置至少12个异步传输标准接口、至少8个模拟输入接口和至少56个基本输入输出接口，所述的异步传输标准接口与所述的抗压端盖上的水密插座连接，进而通过水密插座连接外接设备；所述的电路板还设置光耦开关矩阵，控制所述的外接设备接通或断开电源，所述的光耦开关数量与所述的外接设备数量相对应。The data acquisition system is provided with a circuit board mounting bracket, the circuit board mounting bracket is fixedly connected to the inner surface of the watertight pressure-resistant housing; the circuit board mounting frame is provided with a circuit board; the circuit board setting At least 12 asynchronous transmission standard interfaces, at least 8 analog input interfaces, and at least 56 basic input/output interfaces, wherein the asynchronous transmission standard interface is connected to the watertight socket on the anti-pressure end cover, and then connected through a watertight socket The circuit board further includes an optocoupler switch matrix for controlling the external device to turn on or off the power source, and the number of the optocoupler switches corresponds to the number of the external devices.
  2. 权利要求1所述的数据采集设备，其特征在于，所述的抗压筒体内，在抗压端盖一附近设有机械式电源开关，所述的抗压端盖一的某一个通孔周围内表面开有若干螺纹盲孔；所述的机械式电源开关包括：机械开关安装架、有周向凸起的柱体拨块、手动转轴和行程开关；所述的机械开关安装架包括开有若干通孔的固定压块、若干长螺丝、以及与所述长螺丝相配合的若干螺丝套管，所述的螺丝套管处于所述的抗压端盖一与所述的固定压块之间，所述的长螺丝依次穿过固定压块上的通孔和螺丝套管后利用所述的抗压端盖一内表面的螺纹盲孔连接抗压端盖一，由此在抗压端盖一内侧形成由所述的固定压块和若干螺丝套管围成的旋转空间；所述的手动转轴的一端在所述旋转空间内与所述的柱体拨块轴向固定连接，使所述柱体拨块的凸起可围绕手动转轴的长轴在所述旋转空间内转动；所述的手动转轴另一端穿过所述的抗压端盖一上所述若干盲孔所围绕的通孔，露于抗压端盖一的外表面上；所述的行程开关设置在所述旋转空间一侧，使所述柱体拨块的凸起旋转过程中可触碰并压迫行程开关的弹簧片；所述的行程开关在抗压筒体内部与所述的电路板电连接。The data collection device according to claim 1, wherein a mechanical power switch is disposed in the vicinity of the compression end cap in the pressure resistant cylinder body, and a through hole of the pressure resistant end cover is disposed. The inner surface is provided with a plurality of threaded blind holes; the mechanical power switch comprises: a mechanical switch mounting bracket, a circumferentially protruding cylinder block, a manual rotating shaft and a travel switch; the mechanical switch mounting bracket includes a plurality of through-hole fixing blocks, a plurality of long screws, and a plurality of screw sleeves cooperating with the long screws, the screw sleeves being between the pressure-resistant end caps and the fixed clamps The long screw is sequentially passed through the through hole and the screw sleeve on the fixed pressing block, and then the anti-pressure end cover is connected by a thread blind hole of the inner surface of the anti-pressure end cover, thereby the anti-pressure end cover An inner side forms a rotating space surrounded by the fixed pressing block and the plurality of screw sleeves; one end of the manual rotating shaft is axially fixedly connected to the cylindrical block in the rotating space, so that The protrusion of the cylinder block can surround the long axis of the manual shaft Rotating in the rotating space; the other end of the manual rotating shaft passes through the through hole of the pressure-resistant end cover and surrounded by the plurality of blind holes, and is exposed on the outer surface of the pressure-resistant end cover 1; a travel switch is disposed on a side of the rotating space, so that the spring piece of the travel switch can be touched and pressed during the rotation of the protrusion of the cylinder block; the travel switch is inside the pressure resistant cylinder and the The circuit board is electrically connected.
  3. 权利要求1所述的数据采集设备，其特征在于，所述的抗压端盖一上还设有简易开仓装置，所述的简易开仓装置包括开仓螺钉、内螺管和长螺杆，所述的内螺管和开仓螺钉分处于所述抗压端盖一内、外表面，所述的内螺管的一端通过抗压端盖一的某一通孔与所述的开 仓螺钉相互螺纹连接，所述的内螺管另一端与所述长螺杆的一端螺纹连接，所述的长螺杆贯穿整个抗压筒体内部，另一端与所述的抗压端盖二内表面固定连接。The data collection device of claim 1 , wherein the pressure-resistant end cap is further provided with a simple opening device, and the simple opening device comprises an opening screw, an inner screw and a long screw. The inner coil and the opening screw are respectively located on an inner surface and an outer surface of the pressure resistant end cover, and one end of the inner spiral tube passes through a through hole of the pressure end cover and the opening The cartridge screws are screwed to each other, and the other end of the inner coil is screwed to one end of the long screw, the long screw runs through the entire inner portion of the pressure resistant cylinder, and the other end and the inner surface of the pressure resistant end cover Fixed connection.
  4. 权利要求2或3所述的任意一种数据采集设备，其特征在于，所述的抗压端盖一、抗压端盖二与所述的抗压筒体之间采用斜面密封；所述的机械式电源开关、简易开仓装置与所述的端盖一之间采用轴向密封；所述的抗压端盖一、抗压端盖二上的水密堵头和水密插座采用平面密封。The data collection device of any one of claims 2 or 3, wherein the pressure-resistant end cap 1, the pressure-resistant end cap 2 and the pressure-resistant cylinder are sealed by a bevel; The mechanical power switch, the simple opening device and the end cover are axially sealed; the pressure end cover, the watertight plug on the pressure end cover 2 and the watertight socket adopt a plane seal.
  5. 权利要求1所述的数据采集设备，其特征在于，所述的抗压端盖一上的部分水密插座被设置为PC调试接口和电池输入接口；所述的抗压端盖二上的水密插座分为三组，在抗压筒体内部分别与所述的电路板的异步传输标准接口、模拟输入接口和基本输入输出接口电连接，用于在抗压筒体外与相应的外接设备电连接。The data collection device according to claim 1, wherein a part of the watertight socket on the pressure resistant end cover is provided as a PC debugging interface and a battery input interface; and the watertight socket on the pressure resistant end cover 2 The utility model is divided into three groups, and is electrically connected to the asynchronous transmission standard interface, the analog input interface and the basic input/output interface of the circuit board respectively for internal connection with the corresponding external device outside the anti-pressure cylinder.
  6. 权利要求5所述的数据采集设备，其特征在于，所述的电路板，具体包括主控制卡、主板、控保模块、光耦开关矩阵板、异步传输标准接口扩展板、模数转换接口扩展板和IO引脚扩展板；The data collection device of claim 5, wherein the circuit board comprises a main control card, a main board, a control module, an optocoupler switch matrix board, an asynchronous transmission standard interface expansion board, and an analog to digital conversion interface extension. Board and IO pin expansion board;
    所述的主控卡设置主控芯片，所述的主控芯片内置有定时应用功能的协处理器，所述的芯片优选市售的Freescale 68332芯片；所述的主控卡还设置具有精简指令集的低功耗单片机，负责所述主控芯片的电源管理控制，当所述主控芯片进入休眠模式后，所述的单片机根据设定的时间唤醒系统，所述的单片机优选市售的MPS430单片机；所述的主控卡还设置CF存储卡用于存储数据；The main control card is provided with a main control chip, the main control chip has a coprocessor with a timing application function, and the chip is preferably a commercially available Freescale 68332 chip; the main control card is also provided with a reduced instruction The set of low-power single-chip microcomputer is responsible for power management control of the main control chip. After the main control chip enters the sleep mode, the single-chip microcomputer wakes up the system according to the set time, and the single-chip microcomputer is preferably a commercially available MPS430. a single chip microcomputer; the main control card further sets a CF memory card for storing data;
    所述的主板设置用于维持实时时钟的电池和功能按钮，通过电源控制线与所述的主控卡内单片机连接，供给所述单片机不断电长期工作；The main board is configured to maintain a battery and a function button of the real-time clock, and is connected to the single-chip microcomputer in the main control card through a power control line, and supplies the single-chip microcomputer to continuously operate for a long time;
    所述的控保模块设置电源过压保护电路，通过数字信号控制线与所述的主控卡连接，实时监控主控卡是否正常运行，否则通过内置的自动重启程序重启所述的主控卡；所述的控保模块还与所述的抗压端盖一上的PC调试接口和电池输入接口在抗压筒体内部分别电连接；The control protection module is provided with a power overvoltage protection circuit, and is connected with the main control card through a digital signal control line to monitor whether the main control card runs normally in real time, otherwise the main control card is restarted by a built-in automatic restart program. The control protection module is further electrically connected to the PC debugging interface and the battery input interface on the anti-pressure end cover respectively inside the pressure resistant cylinder;
    所述的光耦开关矩阵板负责电源开关控制管理，在所述抗压筒体内部通过数字信号控制线与所述的IO引脚扩展板连接，通过IO引脚扩展板上的引脚输出数字信号，光耦开关接受到信号后就能打开或关闭电路，从而控制外接设备接通或断开电源；可根据外接设备的数量 确定相应光耦开关数量；所述的光耦开关矩阵板还通过电源控制线与所述抗压端盖一上电池输入接口连接；The optocoupler switch matrix board is responsible for power switch control management, and is connected to the IO pin expansion board through a digital signal control line inside the anti-pressure cylinder body, and outputs a number through a pin on the IO pin expansion board. Signal, the optocoupler switch can turn the circuit on or off after receiving the signal, thereby controlling the external device to turn on or off the power; according to the number of external devices Determining the number of the corresponding optocoupler switches; the optocoupler switch matrix board is further connected to the battery input interface of the anti-voltage end cap via a power control line;
    所述的异步传输标准接口扩展板包括串口扩展模块I和串口扩展模块II；所述的串口扩展模块I通过所述主控芯片上的若干功能引脚扩展出相应数量的异步传输标准接口；所述的串口扩展模块II通过地址和数据总线连接所述主控芯片，扩展出若干可并联叠加使用的异步传输标准接口；最终使所述主控芯片可使用的异步传输标准接口总数不少于12，且所有的异步传输标准接口都与所述抗压端盖二上的水密插座一连接，用于外接若干基于串行异步通信的外接设备；The asynchronous transmission standard interface expansion board includes a serial port expansion module I and a serial port expansion module II; the serial port expansion module I extends a corresponding number of asynchronous transmission standard interfaces through a plurality of function pins on the main control chip; The serial port expansion module II is connected to the main control chip through an address and a data bus, and expands a plurality of asynchronous transmission standard interfaces that can be used in parallel for superposition; finally, the total number of asynchronous transmission standard interfaces that can be used by the main control chip is not less than 12 And all the asynchronous transmission standard interfaces are connected with the watertight socket on the anti-pressure end cover 2 for externally connecting a plurality of external devices based on serial asynchronous communication;
    所述的模数转换接口扩展板通过同步串行总线连接所述的主控芯片，扩展出至少8路可精确到16位的模数转换接口，用于将模拟信号转化为数字信号；所有的模数转换接口都与所述抗压端盖二上的水密插座二连接，用于外接若干模拟输出形式的外接设备；The analog-to-digital conversion interface expansion board is connected to the main control chip through a synchronous serial bus, and expands at least eight analog-to-digital conversion interfaces that can be accurate to 16 bits for converting analog signals into digital signals; The analog-to-digital conversion interface is connected to the watertight socket 2 on the anti-pressure end cover 2 for externally connecting external devices in the form of analog output;
    所述的IO引脚扩展板通过同步串行总线连接所述的主控芯片，扩展出至少56个基本输入输出引脚用来输入或输出数字信号；所有的基本输入输出引脚都与所述抗压端盖二上的水密插座三连接，用于外接若干数字输出型外接设备。The IO pin expansion board is connected to the main control chip through a synchronous serial bus, and extends at least 56 basic input/output pins for inputting or outputting digital signals; all basic input and output pins are The watertight socket three connection on the pressure end cover 2 is used for externally connecting several digital output type external devices.
  7. 权利要求6所述的数据采集设备，其特征在于，所述的电路板还设置DC‐DC直流电源转换模块，所述的DC‐DC直流电源转换模块通过电源控制线连接所述的光耦开关矩阵板；同时通过电源控制线连接所述的抗压端盖一上的电池输入接口。The data collection device of claim 6, wherein the circuit board is further provided with a DC-DC DC power conversion module, and the DC-DC DC power conversion module is connected to the optocoupler switch through a power control line. a matrix board; at the same time, a battery input interface on the anti-pressure end cover is connected through a power control line.
  8. 权利要求6所述的数据采集设备，其特征在于，所述的电路板安装架包括两端的固定盘和中间的若干安装杆；所述的若干安装杆相互平行，端头与所述的固定盘呈可拆卸连接；所述的电路板设置主控母板，所述的控保模块集成于所述的主控母板上，所述的主控母板上还设置模块层叠位，所述的主控制卡、主板、光耦开关矩阵板、异步传输标准接口扩展板、模数转换接口扩展板和IO引脚扩展板均通过所述的主控母板上的模块层叠位相互层叠式连接，便于模块的维护和升级；所述的主控母板、主控制卡、主板、光耦开关矩阵板、异步传输标准接口扩展板、模数转换接口扩展板和IO引脚扩展板分别固定安装在所述若干安装杆的不同位置。The data collecting device according to claim 6, wherein said circuit board mounting frame comprises a fixed disk at both ends and a plurality of mounting rods in the middle; said plurality of mounting rods are parallel to each other, and said end plate and said fixed disk a detachable connection; the circuit board is provided with a main control motherboard, the control and protection module is integrated on the main control motherboard, and the main control motherboard is further provided with a module stacking position, The main control card, the main board, the optocoupler switch matrix board, the asynchronous transfer standard interface expansion board, the analog-to-digital conversion interface expansion board, and the IO pin expansion board are all connected to each other through the module stacking positions on the main control board. Facilitating the maintenance and upgrade of the module; the main control motherboard, the main control card, the main board, the optocoupler switch matrix board, the asynchronous transmission standard interface expansion board, the analog-to-digital conversion interface expansion board and the IO pin expansion board are respectively fixedly installed in Different positions of the plurality of mounting bars.
  9. 权利要求1所述的数据采集设备，其特征在于，所述的抗压端盖一和抗压端盖二分别 设有沿轴向向外伸出的保护法兰，用于保护端盖上设置的水密插座和堵头。The data collection device of claim 1 wherein said compressive end cap 1 and said compressive end cap 2 are respectively A protective flange extending outward in the axial direction is provided for protecting the watertight socket and the plug disposed on the end cover.
  10. 权利要求1所述的数据采集设备，其特征在于，所述的抗压外壳材料为316L不锈钢或钛合金。The data collection device of claim 1 wherein said pressure resistant outer casing material is 316L stainless steel or a titanium alloy.
  11. 一种用于水下的数据采集系统，其特征在于：包括至少一台权利要求1所述的用于水下的数据采集设备、若干电池仓及若干与所述的水下的数据采集设备连接的传感器。A data acquisition system for underwater use, comprising: at least one data acquisition device for underwater use according to claim 1, a plurality of battery compartments, and a plurality of data acquisition devices connected to said underwater data Sensor.
  12. 权利要求11所述的数据采集系统，其特征在于：所述的电池仓包括电池仓外壳，电池仓外壳内设置分层的电池安装架；电池安装架一端设置电源开关，另一端设置电池保护管理模块；电池安装架每层安装若干电池，且每层设置电池连接电路板；所述的电池连接电路板实现多颗电池的同一电极电气连接在一起；所述的电池保护管理模块实现电池充放电保护。The data collection system of claim 11 wherein: said battery compartment comprises a battery compartment housing, and a battery mounting bracket is disposed in the battery compartment housing; a battery switch is provided at one end of the battery mounting bracket, and a battery protection management is provided at the other end. Module; battery mounting bracket is installed with a plurality of batteries on each floor, and each layer is provided with a battery connecting circuit board; the battery connecting circuit board realizes that the same electrodes of the plurality of batteries are electrically connected together; the battery protection management module realizes battery charging and discharging protection.
  13. 权利要求11所述的数据采集系统，其特征在于：所述的与所述的水下的数据采集设备连接的传感器包括压力传感器、温度传感器、光学传感器。 The data acquisition system of claim 11 wherein said sensor coupled to said underwater data acquisition device comprises a pressure sensor, a temperature sensor, and an optical sensor.
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Publication number Priority date Publication date Assignee Title
CN110411494A (en) * 2019-09-03 2019-11-05 成都西达瑞电子科技有限公司 A kind of wireless sensor
CN112162111A (en) * 2020-09-25 2021-01-01 杭州瑞利海洋装备有限公司 Self-contained ADCP (advanced digital control Panel) suitable for deepwater distribution
CN113069807A (en) * 2021-03-11 2021-07-06 中国科学院海洋研究所 Water body suspended sand in-situ time-sharing sub-sampling and filtering system
CN113473263A (en) * 2021-07-15 2021-10-01 深圳市玄羽科技有限公司 Industrial Internet of things data acquisition and transmission device
CN114336092A (en) * 2022-01-24 2022-04-12 山西汾西重工有限责任公司 Underwater power-on mechanism
CN114336092B (en) * 2022-01-24 2022-12-09 山西汾西重工有限责任公司 Underwater power-on mechanism

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