CA3025351C - Underwater data collection device and system - Google Patents
Underwater data collection device and system Download PDFInfo
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- CA3025351C CA3025351C CA3025351A CA3025351A CA3025351C CA 3025351 C CA3025351 C CA 3025351C CA 3025351 A CA3025351 A CA 3025351A CA 3025351 A CA3025351 A CA 3025351A CA 3025351 C CA3025351 C CA 3025351C
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- 238000013480 data collection Methods 0.000 title claims abstract description 60
- 230000005540 biological transmission Effects 0.000 claims abstract description 20
- 239000011159 matrix material Substances 0.000 claims abstract description 16
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 230000001360 synchronised effect Effects 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 3
- 229910001256 stainless steel alloy Inorganic materials 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims description 2
- 238000012546 transfer Methods 0.000 claims description 2
- 238000011065 in-situ storage Methods 0.000 abstract description 6
- 238000005265 energy consumption Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 238000011160 research Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 1
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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
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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.
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
Description underwater data collection device and system Technical Field [000 l]The invention relates to a data collection device, in particular to a data collection device for underwater operating environment.
Background Art
Background Art
[0002] The ocean is a treasure trove of resources and a strategic place to safeguard national interests. With the increasing interest in the research and commercial development of marine environment, and in the coastal military defense, the informationalized and modernized ocean development technology and marine environmental science have been paid more and more attention.
[0003]For marine scientific research, the data collection system of underwater environment with high precision and real-time collection plays a very important role in developing marine resources and studying ocean physical phenomena. In-situ simultaneous collection of data in underwater environment, even in deep sea, is great significant for the accurate research of underwater exploration.
[0004] Therefore, it is necessary to provide a data collection device which can synchronously collect multiple data in-situ underwater and even in deep sea to meet the higher needs of detection research.
Summary of the Invention [000611n view of the above technical background, the main aim of the present invention is to propose a data collection device which can be used in underwater environment, especially in deep water, with open function, which can synchronously collect a plurality of kinds of underwater target data in situ.
[0007]The above object of the present invention is achieved through following technical solutions:
[0008]Firstly, an underwater data collection device is provided, which comprises a watertight pressure-resistant housing, and a data collection system is arranged inside the watertight pressure-resistant housing;
Description [0009]The watertight pressure-resisting housing is cylindrical in whole, comprising a pressure-resisting cylinder, two ends of the pressure-resisting cylinder are sealed separately by a pressure-resisting end cover I and a pressure-resisting end cover II; the pressure -resisting end covers I and II are both provided with a plurality of through holes, and the through holes are at least provided with watertight sockets or watertight plugs according to requirements;
[0010]The data collection system is provided with a circuit board mounting rack, wherein the circuit board mounting rack is fixedly connected with the inner surface of the watertight pressure-resisting housing, and a circuit board is mounted on the circuit board mounting rack. The circuit board is provided with at least 12 asynchronous transmission Aandard interfaces, at least 8 analog input interfaces and at least 56 basic I/O interfaces. The asynchronous transmission standard interfaces are connected to the watertight sockets on the pressure-resisting end covers, and then connected to external devices via the watertight sockets. 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 the optocoupler switches corresponds to the number of external devices.
[001 I]ln a preferable solution of the present invention, the pressure-resisting end cover Land the pressure-resisting end cover 11 are respectively provided with a protective flange extending along the axial direction to protect the watertight sockets and the watertight plugs on the end covers.
[0012] In a preferable solution of the present invention, in the pressure-resisting cylinder a mechanical power switch is provided near the pressure-resisting end cover I. A
plurality of threaded blind holes are arranged on the inner surface around any through hole in the pressure-resisting end cover 1. The mechanical power switch comprises: a mechanical switch mounting rack, a cylindrical block with circumferential convex, a manual rotating shaft and a stroke switch. The mechanical switch mounting rack comprises a fixed press block with a plurality of through holes, a plurality of long screws, and a plurality of screw sleeves fit with the long screws, wherein the screw sleeves are arranged between the pressure-resisting end cover 1 and the fixed press block, and the long screws pass through the through holes and the screw sleeves on the fixed press block and connect the pressure-resisting end cover I with the threaded blind holes on the inner surface of the pressure-resisting end cover I. Thus, the rotating space formed by the fixed press block and some Description screw sleeves in the inner side of the pressure-resisting end cover 1. One end of the manual rotating shaft is fixedly connected with the cylindrical block in the rotating space, so that the convex of the cylindrical block can rotate in the rotating space around the long axis of the manual rotating shaft, while the other end of the manual rotating shaft passes through the through hole which is surrounded by a plurality of blind holes in the pressure-resisting end cover I, and is exposed on the outer surface of the pressure-resisting end cover I. The stroke switch is arranged on one side of the rotating space to enable the convex of the cylindrical block can touch and oppress the spring piece during the rotation of the cylindrical block, and the stroke switch is electrically connected with the circuit board in the pressure-resisting cylinder. You can manually rotate one end of a manual rotating shaft located on the outer surface of the pressure-resisting end cover I in use, the cylindrical block is driven to rotate, and when the rotation to a certain extent, the convex of cylindrical block will oppress the spring piece of the stroke switch, the stroke switch's circuit is turned on, thus the circuit board, which is electrically connected with the stroke switch's circuit, is switched on, otherwise the circuit board is switched off.
[0013] In a preferable solution of the present invention, the pressure-resisting end cover I is provided with a simple opening device, the simple opening device comprises an opening screw, an pipe with internal thread and a long screw rod, wherein the pipe with internal thread and the opening screw are set separately on inner and outer surface of the pressure-resisting end cover I.
One end of the pipe with internal thread is connected with the opening screw via a through hole of the pressure-resisting end cover I. The other end of the pipe with internal thread is connected with one end of the long screw rod. The long screw rod runs through the whole pressure-resisting cylinder, and the other end of the long screw rod is fixedly connected with the inner surface of the pressure-resisting end cover II, which realizes the fixing of the two pressure-resisting end covers with the pressure-resisting cylinder. And the pipe with internal thread can be rotated by screwing the opening screw and separated from the long screw rod, thereby achieving the opening of the pressure-resisting end cover I.
[0014] In more preferable solution of the present invention, some watertight sockets on the pressure-resisting end cover I are set to the PC debugging interface or the battery input interface.
Description [0015] In a preferable solution of the present invention, the watertight sockets on the pressure-resisting end cover 11 are divided into three groups to connect with some corresponding external devices outside the pressure-resisting cylinder. And these three groups, separately, electrically connects with the asynchronous transmission standard interfaces, the analog input interfaces and the basic 1/0 interfaces on the circuit board, inside the pressure-resisting cylinder.
[0016] In a preferable solution of the present invention, bevel seals are used between the pressure-resisting end cover I/ II and the pressure-resisting cylinder; axial seals are used between the mechanical power switch or the simple opening device and the pressure-resisting end cover I;
and plane seals are separately used at the watertight plugs and the watertight sockets on the pressure-resisting end cover 1 and II.
[0017] In a preferable solution of the present invention, the circuit board comprises a main control card, a motherboard, a control module, a board of optocoupler switch matrix, an expansion board of asynchronous transmission standard interface, an ADC interface expansion board and an I/O pin expansion board.
[0018]The main control card is provided with a main control chip. The main control chip is provided with a coprocessor with a timing application function. And the main control chip preferably is the marketed Freescale 68332 chip. The main control card is also provided with a low-power MCU with a reduced instruction set, which is responsible for the power management control of the master control chip. When the main control chip enters into sleep mode, the MCU
wakes up the system according to the preset time. The MCU preferably is marketed MCU of MPS430. And the main control card is further provided with the CF memory card for storing the data.
[0019]The motherboard is provided with a battery and a function button for maintaining the real-time clock, wherein the battery is connected with the MCU in the main control card via a power controlling line to provide power supply for the MCU to work uninterruptedly in long time;
[0020.lThe control module is provided with a power overvoltage protection circuit, which is connected with the main control card by the digital signal control line to monitor if the main control card operates normally, in real time, otherwise the main control card is restarted by embedded automatic restart program. In the pressure-resisting cylinder, the control module is also electrically Description connected with the PC debugging interface and the battery input interface on the pressure-resisting end cover I, respectively;
[0021]The board of optocoupler switch matrix is used to control and manage the power switch, which is connected with the I/O pin expansion board via a digital signal control line inside the pressure-resisting cylinder to output the digital signal via the pins; the optocoupler switch can turn on or off the circuit after receiving the signal, thereby controlling the external device to connect or disconnect the power. The number of optocoupler switch can be determined according to the number of external devices; the board of optocoupler switch matrix is also connected with battery input interface on the pressure-resisting end cover I via the power control line.
[0022]The expansion board of asynchronous transmission standard interface comprises a serial port expansion module I and a serial port expansion module 11; the serial port expansion module 1 extends corresponding number of asynchronous transmission standard interfaces by several functional pins on the main control chip; The serial port expansion module II
connects the main control chip via an address and data bus to extend a plurality of asynchronous transmission standard interfaces which can be used in parallel superposition; Finally, the total number of asynchronous transfer standard interfaces that can be used by the main control chip is not less than 12, and all asynchronous transport standard interfaces are connected with a watertight outlet 1 on the pressure-resisting end cover 11, for connecting external devices that are based on serial asynchronous communication, such as a PC meter, sensors, etc.;
[0023]The ADC interface expansion board connects the main control chip via a synchronous serial bus to extend at least 8 ADC interfaces with 16-bit accuracy for converting analog signals to digital signals; all ADC interfaces are connected to a watertight sockets 11 on the pressure-resisting end cover II, for connecting several analog output type external devices;
[0024] The I/0 pin expansion board is connected with the main control chip via the synchronous serial bus to extend at least 56 basic input and output pins for inputting or outputting digital signals;
all the basic input and output pins are connected with a watertight socket III
on the pressure-resisting end cover II, for connecting digital output type external devices.
[0025] In a preferable solution of the present invention, the circuit board is also provided a DC-DC
power conversion module, which can increase or reduce the voltage of the DC
power of the battery S
Description so that the battery can output a constant voltage. The DC-DC power conversion module is connected with the board of optocoupler switch matrix and a battery input interface on the pressure-resisting end cover II via the power control line.
[0026] In a preferable solution of the present invention, the circuit board mounting rack comprises a fixing plate at both ends and a plurality of mounting rods in the middle; The plurality of mounting rods are parallel to each other, whose ends are detachable connected with the fixing plate; The circuit board is provided with a master motherboard, and the control module is integrated on the master mother board. A module cascade position is also arranged on the master mother board. The main control card, the motherboard, the board of optocoupler switch matrix, the expansion board of asynchronous transmission standard interface, the ADC interface expansion board and the I/O pin expansion board are connected with each other in cascade through the module cascade position on the master motherboard, which facilitates the maintenance and upgrade of the module; The master motherboard, the main control card, the motherboard, the board of optocoupler switch matrix, the expansion board of asynchronous transmission standard interface, the ADC
interface expansion board and the I/O pin expansion board are fixedly installed in different positions of the plurality of mounting rods, respectively.
[0027]In the data collection device of the present invention, the watertight pressure-resistant housing can be manufactured by a variety of materials resistant to seawater acid and alkali corrosion, preferably 316L stainless steel or titanium alloy, and the depth of sea where the pressure-resistant housing can resist water pressure is 0-11000m.
[0028]Compared with the prior art, the underwater data collection device described in the present invention has an open collection function due to its specific mechanical and circuit design, which can achieve "plug and play" to the peripheral sensors and other devices, and can fully and easily use existing hundreds of commercial instruments or sensor systems developed independently by researchers. The underwater data collection device can fully meet the needs of the multidimensional data collection in in-situ detection in underwater environment , even in deep sea. And the underwater data collection device, with small size and high security, can work continuously and stably in different water depth for more than 3 days, and it has the advantages of low power consumption and high stability.
Description [0029]On this basis, the present invention further provides an underwater data collection system, comprising at least one underwater data collection device described in the present invention, a plurality of battery cabins and a plurality of sensors connected with the underwater data collection device.
[0030]The battery cabin comprises a battery cabin housing, a layered battery mounting frame is arranged in the battery cabin housing; A power switch is set at one end of the battery mounting frame, a battery protection management module is arranged on the other end of the battery mounting frame. A plurality of batteries is set on each layer of the battery mounting frame, and a circuit board for batteries connection is set on each layer of the battery mounting frame. The circuit board for batteries connection realizes the same electrode electrical connection of multiple batteries, and the battery protection management module protects the charging or discharging of the batteries.
[003 liThe sensor connected with the underwater data collection device can be a variety of sensors available for underwater detection, including pressure sensors, temperature sensors, optical sensors and so on.
Brief Description of the Drawings [0032]Fig. I shows the overall appearance structure of the underwater data collection device described in embodiment I of the present invention.
[0033]Fig. 2 shows the internal structure of the underwater data collection device described in embodiment 1 of the present invention, while the circuit board is unshown.
[0034]Fig. 3 shows the exploded structures of the mechanical power switch and the simple opening device for the underwater data collection device described in embodiment 1 of the present invention.
[0035]Fig. 4 shows the structure of the circuit board for underwater data collection device described in embodiment 1 of the present invention.
[0036]Fig. 5 is the schematic diagram of connection of circuit board for the underwater data collection device described in embodiment 1 of the present invention.
[0037]Fig. 6 is the circuit diagram of the control module for the underwater data collection device described in embodiment 1 of the present invention.
Description [0038]Fig. 7 shows the structure of the underwater data collection system described in embodiment 2 of the present invention.
[0039]Fig. 8 shows the internal structure of the battery cabin used in the underwater data collection system as described in embodiment 2 of the present invention.
Detailed Description of the Embodiments [0040]The technical solution of the present invention is further elaborated by enumerating the embodiments, but the technical scheme of the invention is not limited to the enumerated embodiments.
[0041] Embodiment 1 [0042]An underwater data collection device is shown in Figure 1, its external structure comprises a pressure-resisting cylinder 11 and the two ends of the pressure-resisting cylinder are respectively closed by pressure-resisting end cover I 12 and pressure-resisting end cover II 13. the pressure-resisting end cover I is provided with at least 4 through-holes, one of which is provided with a battery input interface 121, one of which is provided with a PC
debugging Interface 122, one of which is provided with an end of manual hinge 123 for a mechanical power switch, the other one of which is provided with an opening screw of 124 for a simple opening device.
The pressure-resisting end cover 11 13 is also provided with at least 4 through-holes, one of which is provided with a RS232 interface watertight socket 131, one of which is provided with a ADC
interface watertight socket 132, the other one of which is provided with I/0 pin interface watertight socket 133. The pressure-resisting end cover 112 and the pressure-resistant end cover 11 13 are respectively provided with a protective flange 14 extending along the axial direction to protect the watertight outlets set on the end covers.
[0043]As shown in Figure 2, a mechanical power switch 30 and a simple opening device 40 are arranged near the pressure-resistant end cover 112, inside the pressure-resisting cylinder 11; Four threaded blind holes are provided on inner surface around the through-hole in which the manual hinge end 123 is provided, on the pressure-resistant end cover 112. As shown in Figure 3, the mechanical power switch 30 comprises a cylindrical turning block 32 with a bulge, a manual hinge 33 and a travel switch 34, a fixing press-block 311 with several through-holes, four long screws 312, Description and four screw sleeves 313 that match the four long screws 312. The screw sleeves 313 is between the pressure-resisting end cover 112 and the fixing press-block 311, and all the long screws 312 respectively pass through the through-holes of the fixing press-block 311 and the screw sleeves 313, in turn, then connect with the pressure-resisting end cover 112, utilizing the four threaded blind holes on internal surface of the pressure-resisting end cover 112. Thus, a rotating space is formed in the inner side of the pressure-resisting end cover 112 by the fixing press-block 311 and the four screw sleeves 313. One end of the manual hinge 33 is axially connected with the cylindrical turning block 32 in the rotating space, so that the bulge of the cylindrical turning block 32 can rotate around the long axis of the manual hinge 33 in the rotating space. The other end of the manual hinge 33 passes through the through-hole surrounded by the four blind holes on the pressure-resisting end cover 112, then appears at outer surface of the pressure-resisting end cover 112, which is form the manual hinge end 123, as shown in Fig I. The travel switch 34 is arranged on one side of the rotating space, and the bulge of the cylindrical turning block 32 can touch and press on the travel switch 34 during its rotation. A limiting device is arranged beside the travel switch to prevent the cylindrical turning block 32 from excessive rotation.
[0044]As shown in Fig. 3, the simple opening device 40 comprises the opening screw 124, an internal threaded tube 41 and a long screw 42; The internal threaded tube 41 and the opening screw 124 locates separately on inner and outer surface of the pressure-resisting end cover 112, and one end of the internal threaded tube 41 is connected with the opening screw 124 through the through-hole on the pressure-resisting end cover 112, while the other end of the internal threaded tube 41 is connected with one end of the long screw 42. The long screw 42 passing through inside of the pressure cylinder II, the other end of which is fixedly connected with inner surface of the pressure-resisting end cover 11 13. The fixing plate 22 of the circuit board mounting rack is provided with a hole for the long screw 42 to pass, and the long screw 42 is kept insulated from the fixing plate 22. Thus the two pressure-resisting end covers are fixed on the pressure-resisting cylinder. The internal threaded tube 41 can be turned and separated from the long screw 42 by turning opening screw 124 to achieve the opening of the pressure-resisting end cover I 12.
[00451In the pressure-resisting cylinder 11 of the data collection device, as shown in Figure 4, also has a circuit board mounting rack and a circuit board. The circuit board mounting rack is composed Description of a plurality of parallel mounting rods 21 in the middle and a fixing plate 22 inserting connected with two ends of the mounting rods 21. The circuit board is modularizedly divided into several boards according to function, and the boards, including master motherboard 23, power switch management board 24, I/0 pin expansion board 25, ADC interface expansion board 26, RS232 Interface expansion board I 27, RS232 Interface expansion board II 28, are mounted on two sides of the mounting rod 21 by stacking.
[0046]The master motherboard 23 is integrated with the CF2 Master Card 231 and the control module 232; the main control chip of CF2 Master Card 231 is Freescale (Motorola) 68332 with a RS232 interface, which is provided with a MCU of MPS430; The connection relationship between the CF2 Master Card 231 of the master motherboard 23 and the other boards, as shown in Figure 5, includes:
[0047] The main control chip of the CF2 Master Card 231 is connected with an interface extending chip of the RS232 Interface expansion board I 27 via seven TPUs(the time Processor unit) pins to extend 7 RS232 interfaces. The circuit of the RS232 Interface expansion board]
27 uses 4 pieces of industrial grade MAX232 chips for level conversion and uses 2 pieces of 74hc138 decoder; Most of the sensors use RS232 as their communication interfaces, so the present invention expands more RS232 interfaces to apply to more sensor connections;
[0048] The main control chip of the CF2 Master Card 231 is connected with an interface extending chip of the RS232 Interface expansion board II 28 via the QSPI Bus to extend four RS232 interfaces, which theoretically can be used in parallel; The RS232 Interface expansion board II 28 uses a chip ST16C554 as its interface extending chip; In this way, the present invention maximizes the utilization of the resources of the CF2 Master card and expands more RS232 interfaces;
[0049] The main control chip of the CF2 Master Card 231 is connected with an interface extending chip of the ADC interface expansion board 26 via the QSPI Bus to extend eight 16-bit analog interfaces; The ADC interface expansion board 26 uses the ADS8344 as its ADC
chip;
[0050] The main control chip of the CF2 Master Card 231 is connected with an interface extending chip of the I/O pin expansion board 25 via the QSPI Bus to extend 56 general I/O pins; The 1/0 pin expansion board 25 uses two MAX7301 chips for expansion of I/O pins;
Description [00511The control module 232 composing of the smallest system of ultra-low power MSP430 MCU, is responsible for the stability and reliability of the system, and I/O pins of the MCU are used to control on-off of the CF2 Master Card 231; The control module 232 monitors if the Master Card 231 is working normally. If not, the CF2 Master Card 231 would be automatically restarted by the control module 232; The control module 232 provides the overcurrent and overvoltage protection for power input of its circuit and the CF2 Master Card 231, and communicates to the CF2 Master Card 231 by an universal serial port to get the signal of whether the system is working normally, if the system work abnormally, then reboots the system by controlling the power switch, the circuit principle is shown in Fig. 6.
[00521The circuit of the Power Switch Management Board 24 uses a plurality of industrial-level AQZIO optocoupler relays (switches) combined to form an optocoupler switch matrix, which is connected with the I/O pin expansion board 25 via a digital signal control line, and outputs digital signals via the pins of I/O pin expansion board 25. The optocoupler relays can turn on or off the circuit after receiving the signals, so that control the external devices to connect or disconnect the power supply. The number of the optocoupler relays can be determined according to the number of corresponding external devices; The Power switch Management Board 24 is also provided with a DC-DC power conversion module, which can increase or reduce the voltage of the DC power of the battery, so that it can output a constant voltage; A plurality of industrial-level AQZIO optocoupler relays are connected with the DC-DC power conversion module via the power control line, and the DC-DC power conversion module is connected with the battery input interface 121 on the pressure-resisting end cover 112 via the power control line;
[0053]The master motherboard 23 is also provided with two function keys and one button battery which supports for the long-term work of MPS430 MCU on CF2 Master Card 231;
[0054]Finally, in the device of this embodiment, the circuit board has a total of 12 RS232 interfaces, 8 analog interfaces, 56 general I/O pin interfaces; In the pressure-resisting cylinder 11, the 12 RS232 interfaces are connected with the RS232 interface watertight sockets 131 on pressure-resisting end cover 112 via the digital signal control line; the 8 analog interfaces are connected with the through the ADC interface watertight sockets 132 on the pressure-resisting end cover 11 13 via the digital signal control line, and the 56 general I/O pin interfaces are connected Description with the I/O pin interface watertight sockets 133 on the pressure-resisting end cover 11 13 via the digital signal control line;
[0055] The travel switch 34, in Fig. 3, is electrically connected to the control module 232 on the master motherboard 23 of the circuit board shown in Fig. 4, in the pressure-resisting cylinder 11. The manual hinge end 123, located on the outer surface of the pressure-resisting end cover I 12, can be manually turned in use, so that it drives the cylindrical turning block 32 to turn, when the cylindrical turning block 32 turn to a certain extent, its bulge will compress the spring of the travel switch 34, then the circuit of the travel switch 34 would be turned on, thus starting the circuit board; otherwise the circuit board is turned off.
[0056]In this embodiment, the pressure-resisting cylinder 11 is made of 316L
stainless steel or titanium alloy.
[0057]In this embodiment, the pressure-resisting cylinder 11 and each pressure-resisting end cover are all treated with water tightness, wherein, bevel seals are used between the pressure-resisting end cover 1/ II and the pressure-resisting cylinder; axial seals are used between the mechanical power switch or the simple opening device and the pressure-resisting end cover I;
and plane seals are separately used at the watertight plugs and the watertight sockets on the pressure-resisting end cover I and II.
[0058]The data collection device of this embodiment can be used in depth of 0-6000m underwater environment, and it can be synchronously connected with more than 10 sensors for in-situ synchronous data collection. As we designed the master motherboard, cascade installation and connection of various functional modules of the circuit board, and as we designed the functional modules according to the principle of minimization, it is achieved that the circuit board and the mounting rack are integrated closely at utmost in the limited space of the data collection device, which not only saves space, makes connection of modules more convenient, but also facilitates the maintenance and upgrading of modules, separately.
[0059] Embodiment 2 [0060]A data collection system used for underwater, as shown in Fig. 7, comprises:
Description [006 l]One stainless steel data collection device 61 used for 5000m water depth, whose structure is described in embodiment 1;
[0062] One titanium alloy data collection device 62 used for 1800m water depth, whose structure as described in embodiment 1;
[0063] One stainless steel cabin 63 of rechargeable battery, used for 5000m water depth;
[0064] One titanium alloy cabin 64 of rechargeable battery, used for 1800m water depth;
[0065]One or more sensors 65;
[0066]The structure of the cabins are shown in Figure 8, which comprises a battery cabin housing 71, a layered battery mounting frame 72 is arranged in the battery cabin housing 71; A power switch 73 is set at one end of the battery mounting frame 72, and a battery protection management module 74 is arranged on the other end; A plurality of echargeable batteries 75 are provided in each layer of the battery mounting rack 72, and a battery connection circuit board 76 is provided on the each layer. The battery connection circuit board 76 realizes the same electrode electrical connection of these rechargeable batteries75, and the battery protection management module 74 protects the charging or discharging of these rechargeable batteries 75.
[0067]Use the data collection system of this embodiment to carry out the following test:
[0068]Place: the sea area of Guangdong Daya Bay;
[0069]Time of test: 1-3 days;
[0070]Sampling interval: 10min;
[0071] Depth of water for system test: 10-20 m;
[0072]The test results show that the data collection system of this embodiment has high stability and low power consumption, and can collect a plurality of kinds of underwater data efficiently and synchronously.
Summary of the Invention [000611n view of the above technical background, the main aim of the present invention is to propose a data collection device which can be used in underwater environment, especially in deep water, with open function, which can synchronously collect a plurality of kinds of underwater target data in situ.
[0007]The above object of the present invention is achieved through following technical solutions:
[0008]Firstly, an underwater data collection device is provided, which comprises a watertight pressure-resistant housing, and a data collection system is arranged inside the watertight pressure-resistant housing;
Description [0009]The watertight pressure-resisting housing is cylindrical in whole, comprising a pressure-resisting cylinder, two ends of the pressure-resisting cylinder are sealed separately by a pressure-resisting end cover I and a pressure-resisting end cover II; the pressure -resisting end covers I and II are both provided with a plurality of through holes, and the through holes are at least provided with watertight sockets or watertight plugs according to requirements;
[0010]The data collection system is provided with a circuit board mounting rack, wherein the circuit board mounting rack is fixedly connected with the inner surface of the watertight pressure-resisting housing, and a circuit board is mounted on the circuit board mounting rack. The circuit board is provided with at least 12 asynchronous transmission Aandard interfaces, at least 8 analog input interfaces and at least 56 basic I/O interfaces. The asynchronous transmission standard interfaces are connected to the watertight sockets on the pressure-resisting end covers, and then connected to external devices via the watertight sockets. 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 the optocoupler switches corresponds to the number of external devices.
[001 I]ln a preferable solution of the present invention, the pressure-resisting end cover Land the pressure-resisting end cover 11 are respectively provided with a protective flange extending along the axial direction to protect the watertight sockets and the watertight plugs on the end covers.
[0012] In a preferable solution of the present invention, in the pressure-resisting cylinder a mechanical power switch is provided near the pressure-resisting end cover I. A
plurality of threaded blind holes are arranged on the inner surface around any through hole in the pressure-resisting end cover 1. The mechanical power switch comprises: a mechanical switch mounting rack, a cylindrical block with circumferential convex, a manual rotating shaft and a stroke switch. The mechanical switch mounting rack comprises a fixed press block with a plurality of through holes, a plurality of long screws, and a plurality of screw sleeves fit with the long screws, wherein the screw sleeves are arranged between the pressure-resisting end cover 1 and the fixed press block, and the long screws pass through the through holes and the screw sleeves on the fixed press block and connect the pressure-resisting end cover I with the threaded blind holes on the inner surface of the pressure-resisting end cover I. Thus, the rotating space formed by the fixed press block and some Description screw sleeves in the inner side of the pressure-resisting end cover 1. One end of the manual rotating shaft is fixedly connected with the cylindrical block in the rotating space, so that the convex of the cylindrical block can rotate in the rotating space around the long axis of the manual rotating shaft, while the other end of the manual rotating shaft passes through the through hole which is surrounded by a plurality of blind holes in the pressure-resisting end cover I, and is exposed on the outer surface of the pressure-resisting end cover I. The stroke switch is arranged on one side of the rotating space to enable the convex of the cylindrical block can touch and oppress the spring piece during the rotation of the cylindrical block, and the stroke switch is electrically connected with the circuit board in the pressure-resisting cylinder. You can manually rotate one end of a manual rotating shaft located on the outer surface of the pressure-resisting end cover I in use, the cylindrical block is driven to rotate, and when the rotation to a certain extent, the convex of cylindrical block will oppress the spring piece of the stroke switch, the stroke switch's circuit is turned on, thus the circuit board, which is electrically connected with the stroke switch's circuit, is switched on, otherwise the circuit board is switched off.
[0013] In a preferable solution of the present invention, the pressure-resisting end cover I is provided with a simple opening device, the simple opening device comprises an opening screw, an pipe with internal thread and a long screw rod, wherein the pipe with internal thread and the opening screw are set separately on inner and outer surface of the pressure-resisting end cover I.
One end of the pipe with internal thread is connected with the opening screw via a through hole of the pressure-resisting end cover I. The other end of the pipe with internal thread is connected with one end of the long screw rod. The long screw rod runs through the whole pressure-resisting cylinder, and the other end of the long screw rod is fixedly connected with the inner surface of the pressure-resisting end cover II, which realizes the fixing of the two pressure-resisting end covers with the pressure-resisting cylinder. And the pipe with internal thread can be rotated by screwing the opening screw and separated from the long screw rod, thereby achieving the opening of the pressure-resisting end cover I.
[0014] In more preferable solution of the present invention, some watertight sockets on the pressure-resisting end cover I are set to the PC debugging interface or the battery input interface.
Description [0015] In a preferable solution of the present invention, the watertight sockets on the pressure-resisting end cover 11 are divided into three groups to connect with some corresponding external devices outside the pressure-resisting cylinder. And these three groups, separately, electrically connects with the asynchronous transmission standard interfaces, the analog input interfaces and the basic 1/0 interfaces on the circuit board, inside the pressure-resisting cylinder.
[0016] In a preferable solution of the present invention, bevel seals are used between the pressure-resisting end cover I/ II and the pressure-resisting cylinder; axial seals are used between the mechanical power switch or the simple opening device and the pressure-resisting end cover I;
and plane seals are separately used at the watertight plugs and the watertight sockets on the pressure-resisting end cover 1 and II.
[0017] In a preferable solution of the present invention, the circuit board comprises a main control card, a motherboard, a control module, a board of optocoupler switch matrix, an expansion board of asynchronous transmission standard interface, an ADC interface expansion board and an I/O pin expansion board.
[0018]The main control card is provided with a main control chip. The main control chip is provided with a coprocessor with a timing application function. And the main control chip preferably is the marketed Freescale 68332 chip. The main control card is also provided with a low-power MCU with a reduced instruction set, which is responsible for the power management control of the master control chip. When the main control chip enters into sleep mode, the MCU
wakes up the system according to the preset time. The MCU preferably is marketed MCU of MPS430. And the main control card is further provided with the CF memory card for storing the data.
[0019]The motherboard is provided with a battery and a function button for maintaining the real-time clock, wherein the battery is connected with the MCU in the main control card via a power controlling line to provide power supply for the MCU to work uninterruptedly in long time;
[0020.lThe control module is provided with a power overvoltage protection circuit, which is connected with the main control card by the digital signal control line to monitor if the main control card operates normally, in real time, otherwise the main control card is restarted by embedded automatic restart program. In the pressure-resisting cylinder, the control module is also electrically Description connected with the PC debugging interface and the battery input interface on the pressure-resisting end cover I, respectively;
[0021]The board of optocoupler switch matrix is used to control and manage the power switch, which is connected with the I/O pin expansion board via a digital signal control line inside the pressure-resisting cylinder to output the digital signal via the pins; the optocoupler switch can turn on or off the circuit after receiving the signal, thereby controlling the external device to connect or disconnect the power. The number of optocoupler switch can be determined according to the number of external devices; the board of optocoupler switch matrix is also connected with battery input interface on the pressure-resisting end cover I via the power control line.
[0022]The expansion board of asynchronous transmission standard interface comprises a serial port expansion module I and a serial port expansion module 11; the serial port expansion module 1 extends corresponding number of asynchronous transmission standard interfaces by several functional pins on the main control chip; The serial port expansion module II
connects the main control chip via an address and data bus to extend a plurality of asynchronous transmission standard interfaces which can be used in parallel superposition; Finally, the total number of asynchronous transfer standard interfaces that can be used by the main control chip is not less than 12, and all asynchronous transport standard interfaces are connected with a watertight outlet 1 on the pressure-resisting end cover 11, for connecting external devices that are based on serial asynchronous communication, such as a PC meter, sensors, etc.;
[0023]The ADC interface expansion board connects the main control chip via a synchronous serial bus to extend at least 8 ADC interfaces with 16-bit accuracy for converting analog signals to digital signals; all ADC interfaces are connected to a watertight sockets 11 on the pressure-resisting end cover II, for connecting several analog output type external devices;
[0024] The I/0 pin expansion board is connected with the main control chip via the synchronous serial bus to extend at least 56 basic input and output pins for inputting or outputting digital signals;
all the basic input and output pins are connected with a watertight socket III
on the pressure-resisting end cover II, for connecting digital output type external devices.
[0025] In a preferable solution of the present invention, the circuit board is also provided a DC-DC
power conversion module, which can increase or reduce the voltage of the DC
power of the battery S
Description so that the battery can output a constant voltage. The DC-DC power conversion module is connected with the board of optocoupler switch matrix and a battery input interface on the pressure-resisting end cover II via the power control line.
[0026] In a preferable solution of the present invention, the circuit board mounting rack comprises a fixing plate at both ends and a plurality of mounting rods in the middle; The plurality of mounting rods are parallel to each other, whose ends are detachable connected with the fixing plate; The circuit board is provided with a master motherboard, and the control module is integrated on the master mother board. A module cascade position is also arranged on the master mother board. The main control card, the motherboard, the board of optocoupler switch matrix, the expansion board of asynchronous transmission standard interface, the ADC interface expansion board and the I/O pin expansion board are connected with each other in cascade through the module cascade position on the master motherboard, which facilitates the maintenance and upgrade of the module; The master motherboard, the main control card, the motherboard, the board of optocoupler switch matrix, the expansion board of asynchronous transmission standard interface, the ADC
interface expansion board and the I/O pin expansion board are fixedly installed in different positions of the plurality of mounting rods, respectively.
[0027]In the data collection device of the present invention, the watertight pressure-resistant housing can be manufactured by a variety of materials resistant to seawater acid and alkali corrosion, preferably 316L stainless steel or titanium alloy, and the depth of sea where the pressure-resistant housing can resist water pressure is 0-11000m.
[0028]Compared with the prior art, the underwater data collection device described in the present invention has an open collection function due to its specific mechanical and circuit design, which can achieve "plug and play" to the peripheral sensors and other devices, and can fully and easily use existing hundreds of commercial instruments or sensor systems developed independently by researchers. The underwater data collection device can fully meet the needs of the multidimensional data collection in in-situ detection in underwater environment , even in deep sea. And the underwater data collection device, with small size and high security, can work continuously and stably in different water depth for more than 3 days, and it has the advantages of low power consumption and high stability.
Description [0029]On this basis, the present invention further provides an underwater data collection system, comprising at least one underwater data collection device described in the present invention, a plurality of battery cabins and a plurality of sensors connected with the underwater data collection device.
[0030]The battery cabin comprises a battery cabin housing, a layered battery mounting frame is arranged in the battery cabin housing; A power switch is set at one end of the battery mounting frame, a battery protection management module is arranged on the other end of the battery mounting frame. A plurality of batteries is set on each layer of the battery mounting frame, and a circuit board for batteries connection is set on each layer of the battery mounting frame. The circuit board for batteries connection realizes the same electrode electrical connection of multiple batteries, and the battery protection management module protects the charging or discharging of the batteries.
[003 liThe sensor connected with the underwater data collection device can be a variety of sensors available for underwater detection, including pressure sensors, temperature sensors, optical sensors and so on.
Brief Description of the Drawings [0032]Fig. I shows the overall appearance structure of the underwater data collection device described in embodiment I of the present invention.
[0033]Fig. 2 shows the internal structure of the underwater data collection device described in embodiment 1 of the present invention, while the circuit board is unshown.
[0034]Fig. 3 shows the exploded structures of the mechanical power switch and the simple opening device for the underwater data collection device described in embodiment 1 of the present invention.
[0035]Fig. 4 shows the structure of the circuit board for underwater data collection device described in embodiment 1 of the present invention.
[0036]Fig. 5 is the schematic diagram of connection of circuit board for the underwater data collection device described in embodiment 1 of the present invention.
[0037]Fig. 6 is the circuit diagram of the control module for the underwater data collection device described in embodiment 1 of the present invention.
Description [0038]Fig. 7 shows the structure of the underwater data collection system described in embodiment 2 of the present invention.
[0039]Fig. 8 shows the internal structure of the battery cabin used in the underwater data collection system as described in embodiment 2 of the present invention.
Detailed Description of the Embodiments [0040]The technical solution of the present invention is further elaborated by enumerating the embodiments, but the technical scheme of the invention is not limited to the enumerated embodiments.
[0041] Embodiment 1 [0042]An underwater data collection device is shown in Figure 1, its external structure comprises a pressure-resisting cylinder 11 and the two ends of the pressure-resisting cylinder are respectively closed by pressure-resisting end cover I 12 and pressure-resisting end cover II 13. the pressure-resisting end cover I is provided with at least 4 through-holes, one of which is provided with a battery input interface 121, one of which is provided with a PC
debugging Interface 122, one of which is provided with an end of manual hinge 123 for a mechanical power switch, the other one of which is provided with an opening screw of 124 for a simple opening device.
The pressure-resisting end cover 11 13 is also provided with at least 4 through-holes, one of which is provided with a RS232 interface watertight socket 131, one of which is provided with a ADC
interface watertight socket 132, the other one of which is provided with I/0 pin interface watertight socket 133. The pressure-resisting end cover 112 and the pressure-resistant end cover 11 13 are respectively provided with a protective flange 14 extending along the axial direction to protect the watertight outlets set on the end covers.
[0043]As shown in Figure 2, a mechanical power switch 30 and a simple opening device 40 are arranged near the pressure-resistant end cover 112, inside the pressure-resisting cylinder 11; Four threaded blind holes are provided on inner surface around the through-hole in which the manual hinge end 123 is provided, on the pressure-resistant end cover 112. As shown in Figure 3, the mechanical power switch 30 comprises a cylindrical turning block 32 with a bulge, a manual hinge 33 and a travel switch 34, a fixing press-block 311 with several through-holes, four long screws 312, Description and four screw sleeves 313 that match the four long screws 312. The screw sleeves 313 is between the pressure-resisting end cover 112 and the fixing press-block 311, and all the long screws 312 respectively pass through the through-holes of the fixing press-block 311 and the screw sleeves 313, in turn, then connect with the pressure-resisting end cover 112, utilizing the four threaded blind holes on internal surface of the pressure-resisting end cover 112. Thus, a rotating space is formed in the inner side of the pressure-resisting end cover 112 by the fixing press-block 311 and the four screw sleeves 313. One end of the manual hinge 33 is axially connected with the cylindrical turning block 32 in the rotating space, so that the bulge of the cylindrical turning block 32 can rotate around the long axis of the manual hinge 33 in the rotating space. The other end of the manual hinge 33 passes through the through-hole surrounded by the four blind holes on the pressure-resisting end cover 112, then appears at outer surface of the pressure-resisting end cover 112, which is form the manual hinge end 123, as shown in Fig I. The travel switch 34 is arranged on one side of the rotating space, and the bulge of the cylindrical turning block 32 can touch and press on the travel switch 34 during its rotation. A limiting device is arranged beside the travel switch to prevent the cylindrical turning block 32 from excessive rotation.
[0044]As shown in Fig. 3, the simple opening device 40 comprises the opening screw 124, an internal threaded tube 41 and a long screw 42; The internal threaded tube 41 and the opening screw 124 locates separately on inner and outer surface of the pressure-resisting end cover 112, and one end of the internal threaded tube 41 is connected with the opening screw 124 through the through-hole on the pressure-resisting end cover 112, while the other end of the internal threaded tube 41 is connected with one end of the long screw 42. The long screw 42 passing through inside of the pressure cylinder II, the other end of which is fixedly connected with inner surface of the pressure-resisting end cover 11 13. The fixing plate 22 of the circuit board mounting rack is provided with a hole for the long screw 42 to pass, and the long screw 42 is kept insulated from the fixing plate 22. Thus the two pressure-resisting end covers are fixed on the pressure-resisting cylinder. The internal threaded tube 41 can be turned and separated from the long screw 42 by turning opening screw 124 to achieve the opening of the pressure-resisting end cover I 12.
[00451In the pressure-resisting cylinder 11 of the data collection device, as shown in Figure 4, also has a circuit board mounting rack and a circuit board. The circuit board mounting rack is composed Description of a plurality of parallel mounting rods 21 in the middle and a fixing plate 22 inserting connected with two ends of the mounting rods 21. The circuit board is modularizedly divided into several boards according to function, and the boards, including master motherboard 23, power switch management board 24, I/0 pin expansion board 25, ADC interface expansion board 26, RS232 Interface expansion board I 27, RS232 Interface expansion board II 28, are mounted on two sides of the mounting rod 21 by stacking.
[0046]The master motherboard 23 is integrated with the CF2 Master Card 231 and the control module 232; the main control chip of CF2 Master Card 231 is Freescale (Motorola) 68332 with a RS232 interface, which is provided with a MCU of MPS430; The connection relationship between the CF2 Master Card 231 of the master motherboard 23 and the other boards, as shown in Figure 5, includes:
[0047] The main control chip of the CF2 Master Card 231 is connected with an interface extending chip of the RS232 Interface expansion board I 27 via seven TPUs(the time Processor unit) pins to extend 7 RS232 interfaces. The circuit of the RS232 Interface expansion board]
27 uses 4 pieces of industrial grade MAX232 chips for level conversion and uses 2 pieces of 74hc138 decoder; Most of the sensors use RS232 as their communication interfaces, so the present invention expands more RS232 interfaces to apply to more sensor connections;
[0048] The main control chip of the CF2 Master Card 231 is connected with an interface extending chip of the RS232 Interface expansion board II 28 via the QSPI Bus to extend four RS232 interfaces, which theoretically can be used in parallel; The RS232 Interface expansion board II 28 uses a chip ST16C554 as its interface extending chip; In this way, the present invention maximizes the utilization of the resources of the CF2 Master card and expands more RS232 interfaces;
[0049] The main control chip of the CF2 Master Card 231 is connected with an interface extending chip of the ADC interface expansion board 26 via the QSPI Bus to extend eight 16-bit analog interfaces; The ADC interface expansion board 26 uses the ADS8344 as its ADC
chip;
[0050] The main control chip of the CF2 Master Card 231 is connected with an interface extending chip of the I/O pin expansion board 25 via the QSPI Bus to extend 56 general I/O pins; The 1/0 pin expansion board 25 uses two MAX7301 chips for expansion of I/O pins;
Description [00511The control module 232 composing of the smallest system of ultra-low power MSP430 MCU, is responsible for the stability and reliability of the system, and I/O pins of the MCU are used to control on-off of the CF2 Master Card 231; The control module 232 monitors if the Master Card 231 is working normally. If not, the CF2 Master Card 231 would be automatically restarted by the control module 232; The control module 232 provides the overcurrent and overvoltage protection for power input of its circuit and the CF2 Master Card 231, and communicates to the CF2 Master Card 231 by an universal serial port to get the signal of whether the system is working normally, if the system work abnormally, then reboots the system by controlling the power switch, the circuit principle is shown in Fig. 6.
[00521The circuit of the Power Switch Management Board 24 uses a plurality of industrial-level AQZIO optocoupler relays (switches) combined to form an optocoupler switch matrix, which is connected with the I/O pin expansion board 25 via a digital signal control line, and outputs digital signals via the pins of I/O pin expansion board 25. The optocoupler relays can turn on or off the circuit after receiving the signals, so that control the external devices to connect or disconnect the power supply. The number of the optocoupler relays can be determined according to the number of corresponding external devices; The Power switch Management Board 24 is also provided with a DC-DC power conversion module, which can increase or reduce the voltage of the DC power of the battery, so that it can output a constant voltage; A plurality of industrial-level AQZIO optocoupler relays are connected with the DC-DC power conversion module via the power control line, and the DC-DC power conversion module is connected with the battery input interface 121 on the pressure-resisting end cover 112 via the power control line;
[0053]The master motherboard 23 is also provided with two function keys and one button battery which supports for the long-term work of MPS430 MCU on CF2 Master Card 231;
[0054]Finally, in the device of this embodiment, the circuit board has a total of 12 RS232 interfaces, 8 analog interfaces, 56 general I/O pin interfaces; In the pressure-resisting cylinder 11, the 12 RS232 interfaces are connected with the RS232 interface watertight sockets 131 on pressure-resisting end cover 112 via the digital signal control line; the 8 analog interfaces are connected with the through the ADC interface watertight sockets 132 on the pressure-resisting end cover 11 13 via the digital signal control line, and the 56 general I/O pin interfaces are connected Description with the I/O pin interface watertight sockets 133 on the pressure-resisting end cover 11 13 via the digital signal control line;
[0055] The travel switch 34, in Fig. 3, is electrically connected to the control module 232 on the master motherboard 23 of the circuit board shown in Fig. 4, in the pressure-resisting cylinder 11. The manual hinge end 123, located on the outer surface of the pressure-resisting end cover I 12, can be manually turned in use, so that it drives the cylindrical turning block 32 to turn, when the cylindrical turning block 32 turn to a certain extent, its bulge will compress the spring of the travel switch 34, then the circuit of the travel switch 34 would be turned on, thus starting the circuit board; otherwise the circuit board is turned off.
[0056]In this embodiment, the pressure-resisting cylinder 11 is made of 316L
stainless steel or titanium alloy.
[0057]In this embodiment, the pressure-resisting cylinder 11 and each pressure-resisting end cover are all treated with water tightness, wherein, bevel seals are used between the pressure-resisting end cover 1/ II and the pressure-resisting cylinder; axial seals are used between the mechanical power switch or the simple opening device and the pressure-resisting end cover I;
and plane seals are separately used at the watertight plugs and the watertight sockets on the pressure-resisting end cover I and II.
[0058]The data collection device of this embodiment can be used in depth of 0-6000m underwater environment, and it can be synchronously connected with more than 10 sensors for in-situ synchronous data collection. As we designed the master motherboard, cascade installation and connection of various functional modules of the circuit board, and as we designed the functional modules according to the principle of minimization, it is achieved that the circuit board and the mounting rack are integrated closely at utmost in the limited space of the data collection device, which not only saves space, makes connection of modules more convenient, but also facilitates the maintenance and upgrading of modules, separately.
[0059] Embodiment 2 [0060]A data collection system used for underwater, as shown in Fig. 7, comprises:
Description [006 l]One stainless steel data collection device 61 used for 5000m water depth, whose structure is described in embodiment 1;
[0062] One titanium alloy data collection device 62 used for 1800m water depth, whose structure as described in embodiment 1;
[0063] One stainless steel cabin 63 of rechargeable battery, used for 5000m water depth;
[0064] One titanium alloy cabin 64 of rechargeable battery, used for 1800m water depth;
[0065]One or more sensors 65;
[0066]The structure of the cabins are shown in Figure 8, which comprises a battery cabin housing 71, a layered battery mounting frame 72 is arranged in the battery cabin housing 71; A power switch 73 is set at one end of the battery mounting frame 72, and a battery protection management module 74 is arranged on the other end; A plurality of echargeable batteries 75 are provided in each layer of the battery mounting rack 72, and a battery connection circuit board 76 is provided on the each layer. The battery connection circuit board 76 realizes the same electrode electrical connection of these rechargeable batteries75, and the battery protection management module 74 protects the charging or discharging of these rechargeable batteries 75.
[0067]Use the data collection system of this embodiment to carry out the following test:
[0068]Place: the sea area of Guangdong Daya Bay;
[0069]Time of test: 1-3 days;
[0070]Sampling interval: 10min;
[0071] Depth of water for system test: 10-20 m;
[0072]The test results show that the data collection system of this embodiment has high stability and low power consumption, and can collect a plurality of kinds of underwater data efficiently and synchronously.
Claims (12)
1. An underwater data collection device, which comprises a watertight pressure-resistant housing, and a data collection system is arranged inside the watertight pressure-resistant housing;
wherein the watertight pressure-resisting housing is cylindrical in whole, comprising a pressure-resisting cylinder, wherein two ends of the pressure-resisting cylinder are sealed separately by a pressure-resisting end cover I and a pressure-resisting end cover II; the pressure-resisting end covers I and II are both provided with a plurality of through holes, and the through holes are at least provided with watertight sockets and/or watertight plugs;
wherein the data collection system is provided with a circuit board mounting rack, wherein the circuit board mounting rack is fixedly connected with the inner surface of the watertight pressure-resisting housing, and a circuit board is mounted on the circuit board mounting rack, wherein the circuit board is provided with at least 12 asynchronous transmission standard interfaces, at least 8 analog input interfaces and at least 56 basic I/O interfaces, wherein the asynchronous transmission standard interfaces are connected to the watertight sockets on the pressure-resisting covers, and then connected to external devices via the watertight sockets, wherein the circuit board 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 the optocoupler switches corresponds to the number of external devices, wherein the underwater data collection device is characterized in that, the pressure-resisting cylinder, a mechanical power switch is provided near the pressure-resisting cover I, wherein a plurality of threaded blind holes are arranged on the inner surface around any through hole in the pressure-resisting end cover I, wherein the mechanical power switch comprises: a mechanical switch mounting rack, a cylindrical block with circumferential convex, a manual rotating shaft and a stroke switch;
wherein the mechanical switch mounting rack comprises a fixed press block with a plurality of through holes, a plurality of long screws, and a plurality of screw sleeves fit with the long screws, wherein the screw sleeves are arranged between the pressure-resisting end cover I and the fixed block, and the long screws pass through the through holes and the screw sleeves on the fixed press block and connect the pressure-resisting end cover I with the threaded blind holes on the inner surface of the pressure-resisting end cover I, thereby having the rotating space formed by the fixed press block and some screw sleeves in the inner side of the pressure-resisting end cover I, wherein one end of the manual rotating shaft is fixedly connected with the cylindrical block in the rotating space, so that the convex of the cylindrical block can rotate in the rotating space around the long axis of the manual rotating shaft, while the other end of the manual rotating shaft passes through the through hole which is surrounded by a plurality of blind holes in the pressure-resisting end cover I, and is exposed on the outer surface of the pressure-resisting end cover I, wherein the stroke switch is arranged on one side of the rotating space to enable the convex of the cylindrical block can touch and oppress a spring piece during the rotation of the cylindrical block, and the stroke switch is electrically connected with the circuit board in the pressure-resisting cylinder.
wherein the watertight pressure-resisting housing is cylindrical in whole, comprising a pressure-resisting cylinder, wherein two ends of the pressure-resisting cylinder are sealed separately by a pressure-resisting end cover I and a pressure-resisting end cover II; the pressure-resisting end covers I and II are both provided with a plurality of through holes, and the through holes are at least provided with watertight sockets and/or watertight plugs;
wherein the data collection system is provided with a circuit board mounting rack, wherein the circuit board mounting rack is fixedly connected with the inner surface of the watertight pressure-resisting housing, and a circuit board is mounted on the circuit board mounting rack, wherein the circuit board is provided with at least 12 asynchronous transmission standard interfaces, at least 8 analog input interfaces and at least 56 basic I/O interfaces, wherein the asynchronous transmission standard interfaces are connected to the watertight sockets on the pressure-resisting covers, and then connected to external devices via the watertight sockets, wherein the circuit board 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 the optocoupler switches corresponds to the number of external devices, wherein the underwater data collection device is characterized in that, the pressure-resisting cylinder, a mechanical power switch is provided near the pressure-resisting cover I, wherein a plurality of threaded blind holes are arranged on the inner surface around any through hole in the pressure-resisting end cover I, wherein the mechanical power switch comprises: a mechanical switch mounting rack, a cylindrical block with circumferential convex, a manual rotating shaft and a stroke switch;
wherein the mechanical switch mounting rack comprises a fixed press block with a plurality of through holes, a plurality of long screws, and a plurality of screw sleeves fit with the long screws, wherein the screw sleeves are arranged between the pressure-resisting end cover I and the fixed block, and the long screws pass through the through holes and the screw sleeves on the fixed press block and connect the pressure-resisting end cover I with the threaded blind holes on the inner surface of the pressure-resisting end cover I, thereby having the rotating space formed by the fixed press block and some screw sleeves in the inner side of the pressure-resisting end cover I, wherein one end of the manual rotating shaft is fixedly connected with the cylindrical block in the rotating space, so that the convex of the cylindrical block can rotate in the rotating space around the long axis of the manual rotating shaft, while the other end of the manual rotating shaft passes through the through hole which is surrounded by a plurality of blind holes in the pressure-resisting end cover I, and is exposed on the outer surface of the pressure-resisting end cover I, wherein the stroke switch is arranged on one side of the rotating space to enable the convex of the cylindrical block can touch and oppress a spring piece during the rotation of the cylindrical block, and the stroke switch is electrically connected with the circuit board in the pressure-resisting cylinder.
2. The underwater data collection device of claim 1, characterized in that the pressure-resisting end cover I is provided with a simple opening device, the simple opening device comprises an opening screw, a pipe with internal thread and a long screw rod, wherein the pipe with internal thread and the opening screw are set separately on inner and outer surface of the pressure-resisting end cover I, wherein one end of the pipe with internal thread is connected with the opening screw via a through hole of the pressure-resisting end cover I, wherein the other end of the pipe with internal thread is connected with one end of the long screw rod, wherein the long screw rod runs through the whole pressure-resisting cylinder, and the other end of the long screw rod is fixedly connected with the inner surface of the pressure-resisting end cover II, which realizes the fixing of the two pressure-resisting end covers with the pressure-resisting cylinder, wherein the pipe with internal thread can be rotated by screwing the opening screw and separated from the long screw rod, thereby achieving the opening of the pressure-resisting end cover I.
3. The underwater data collection device of claim 2, characterized in that bevel seals are used between the pressure-resisting end cover I/ II and the pressure-resisting cylinder; axial seals are used between the mechanical power switch or the simple opening device and the pressure-resisting end cover I; and plane seals are separately used at the watertight plugs and/or the watertight sockets on the pressure-resisting end cover I and II.
4. The underwater data collection device of claim 1, characterized in that some watertight sockets on the pressure-resisting end cover I are set to a PC debugging interface or a battery input interface, wherein the watertight sockets on the pressure-resisting end cover II are divided into three groups to connect with some corresponding external devices outside the pressure-resisting cylinder, and these three groups, separately, electrically connect with the asynchronous transmission standard interfaces, the analog input interfaces and the basic I/O interfaces on the circuit board, inside the pressure-resisting cylinder.
5. The underwater data collection device of claim 4, characterized in that the circuit board comprises a main control card, a motherboard, a control module, a board of optocoupler switch matrix, an expansion board of asynchronous transmission standard interface, an analog-to-digital converter interface expansion board and an I/O pin expansion board, wherein the main control card is provided with a main control chip, wherein the main control chip is provided with a coprocessor with a timing application function, wherein the main control chip being a Freescale 68332 chip, wherein the main control card is also provided with a low-power microcontroller unit with a reduced instruction set, which is responsible for the power management control of a master control chip, wherein when the main control chip enters into sleep mode, the microcontroller unit wakes up the system according to time, the microcontroller unit being a mixed-signal microcontroller MPS430, and the main control card is further provided with a CF memory card for storing the data;
wherein the motherboard is provided with a battery and a function button for maintaining a real-time clock, wherein the battery is connected with the microcontroller unit in the main control card via a power controlling line to provide power supply for the microcontroller unit to work uninterruptedly for a long time;
wherein the control module is provided with a power overvoltage protection circuit, which is connected with the main control card by a digital signal control line to monitor if the main control card operates normally, in real time, otherwise the main control card is restarted by embedded automatic restart program, wherein in the pressure-resisting cylinder, the control module is also electrically connected with the PC debugging interface and the battery input interface on the pressure-resisting end cover I, respectively;
wherein the board of optocoupler switch matrix is used to control and manage the power switch, which is connected with the I/O pin expansion board via a digital signal control line inside the pressure-resisting cylinder to output the digital signal via the pins; the optocoupler switch can turn on or off the circuit after receiving the signal, thereby controlling the external device to connect or disconnect the power, wherein the number of optocoupler switch can be determined according to the number of external devices; the board of optocoupler switch matrix is also connected with battery input interface on the pressure-resisting end cover I via the power control line;
wherein the expansion board of asynchronous transmission standard interface comprises a serial port expansion module I and a serial port expansion module II; the serial port expansion module I extends corresponding number of asynchronous transmission standard interfaces by several functional pins on the main control chip; the serial port expansion module II connects the main control chip via an address and data bus to extend a plurality of asynchronous transmission standard interfaces which can be used in parallel superposition; wherein the total number of asynchronous transfer standard interfaces that can be used by the main control chip is not less than 12, and all asynchronous transport standard interfaces are connected with a watertight outlet I on the pressure-resisting end cover II, for connecting external devices that are based on serial asynchronous communication;
wherein the analog-to-digital converter interface expansion board connects the main control chip via a synchronous serial bus to extend at least 8 analog-to-digital converter interfaces with 16-bit accuracy for converting analog signals to digital signals; all analog-to-digital converter interfaces are connected to a watertight sockets II on the pressure-resisting end cover II, for connecting several analog output type external devices;
wherein the I/O pin expansion board is connected with the main control chip via the synchronous serial bus to extend at least 56 basic input and output pins for inputting or outputting digital signals; all the basic input and output pins are connected with a watertight socket III on the pressure-resisting end cover II, for connecting digital output type external devices.
wherein the motherboard is provided with a battery and a function button for maintaining a real-time clock, wherein the battery is connected with the microcontroller unit in the main control card via a power controlling line to provide power supply for the microcontroller unit to work uninterruptedly for a long time;
wherein the control module is provided with a power overvoltage protection circuit, which is connected with the main control card by a digital signal control line to monitor if the main control card operates normally, in real time, otherwise the main control card is restarted by embedded automatic restart program, wherein in the pressure-resisting cylinder, the control module is also electrically connected with the PC debugging interface and the battery input interface on the pressure-resisting end cover I, respectively;
wherein the board of optocoupler switch matrix is used to control and manage the power switch, which is connected with the I/O pin expansion board via a digital signal control line inside the pressure-resisting cylinder to output the digital signal via the pins; the optocoupler switch can turn on or off the circuit after receiving the signal, thereby controlling the external device to connect or disconnect the power, wherein the number of optocoupler switch can be determined according to the number of external devices; the board of optocoupler switch matrix is also connected with battery input interface on the pressure-resisting end cover I via the power control line;
wherein the expansion board of asynchronous transmission standard interface comprises a serial port expansion module I and a serial port expansion module II; the serial port expansion module I extends corresponding number of asynchronous transmission standard interfaces by several functional pins on the main control chip; the serial port expansion module II connects the main control chip via an address and data bus to extend a plurality of asynchronous transmission standard interfaces which can be used in parallel superposition; wherein the total number of asynchronous transfer standard interfaces that can be used by the main control chip is not less than 12, and all asynchronous transport standard interfaces are connected with a watertight outlet I on the pressure-resisting end cover II, for connecting external devices that are based on serial asynchronous communication;
wherein the analog-to-digital converter interface expansion board connects the main control chip via a synchronous serial bus to extend at least 8 analog-to-digital converter interfaces with 16-bit accuracy for converting analog signals to digital signals; all analog-to-digital converter interfaces are connected to a watertight sockets II on the pressure-resisting end cover II, for connecting several analog output type external devices;
wherein the I/O pin expansion board is connected with the main control chip via the synchronous serial bus to extend at least 56 basic input and output pins for inputting or outputting digital signals; all the basic input and output pins are connected with a watertight socket III on the pressure-resisting end cover II, for connecting digital output type external devices.
6. The underwater data collection device of claim 5, characterized in that the circuit board is also provided a DC power conversion module, which can increase or reduce the voltage of the DC
power of the battery so that the battery can output a constant voltage, wherein the DC power conversion module is connected with the board of optocoupler switch matrix and a battery input interface on the pressure-resisting end cover II via the power control line.
power of the battery so that the battery can output a constant voltage, wherein the DC power conversion module is connected with the board of optocoupler switch matrix and a battery input interface on the pressure-resisting end cover II via the power control line.
7. The underwater data collection device of claim 5, characterized in that the circuit board mounting rack comprises a fixing plate at both ends and a plurality of mounting rods in the middle;
the plurality of mounting rods are parallel to each other, whose ends are detachably connected with the fixing plate; the circuit board is provided with a master motherboard, and the control module is integrated on the master mother board, a module cascade position is also arranged on the master mother board, wherein the main control card, the motherboard, the board of optocoupler switch matrix, the expansion board of asynchronous transmission standard interface, the analog-to-digital converter interface expansion board and the I/O pin expansion board are connected with each other in cascade through the module cascade position on the master motherboard, which facilitates the maintenance and upgrade of the module; wherein the master motherboard, the main control card, the motherboard, the board of optocoupler switch matrix, the expansion board of asynchronous transmission standard interface, the analog-to-digital converter interface expansion board and the I/0 pin expansion board are fixedly installed in different positions of the plurality of mounting rods, respectively.
the plurality of mounting rods are parallel to each other, whose ends are detachably connected with the fixing plate; the circuit board is provided with a master motherboard, and the control module is integrated on the master mother board, a module cascade position is also arranged on the master mother board, wherein the main control card, the motherboard, the board of optocoupler switch matrix, the expansion board of asynchronous transmission standard interface, the analog-to-digital converter interface expansion board and the I/O pin expansion board are connected with each other in cascade through the module cascade position on the master motherboard, which facilitates the maintenance and upgrade of the module; wherein the master motherboard, the main control card, the motherboard, the board of optocoupler switch matrix, the expansion board of asynchronous transmission standard interface, the analog-to-digital converter interface expansion board and the I/0 pin expansion board are fixedly installed in different positions of the plurality of mounting rods, respectively.
8. The underwater data collection device of claim 5, characterized in that the pressure-resisting end cover I and the pressure-resisting end cover II are respectively provided with a protective flange extending along the axial direction to protect the watertight sockets and/or the watertight plugs on the end covers.
9. The underwater data collection device of claim 1, characterized in that the watertight pressure-resistant housing is manufactured with 316L stainless steel or titanium alloy.
10. An underwater data collection system, comprising at least one underwater data collection device as in claim 1, a plurality of battery cabins and a plurality of sensors connected with the underwater data collection device.
11. The underwater data collection system of claim 10, characterized in that the battery cabin comprises a battery cabin housing, a layered battery mounting frame is arranged in the battery cabin housing; a power switch is set at one end of the battery mounting frame, a battery protection management module is arranged on the other end of the battery mounting frame, wherein a plurality of batteries is set on each layer of the battery mounting frame, and a circuit board for batteries connection is set on each layer of the battery mounting frame, wherein the circuit board for batteries connection realizes the same electrode electrical connection of multiple batteries, and the battery protection management module protects the charging or discharging of the batteries.
12. The underwater data collection system of claim 10, characterized in that a plurality of sensors connected with the underwater data collection device including pressure sensors, temperature sensors, and optical sensors.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2016/109990 WO2018107406A1 (en) | 2016-12-15 | 2016-12-15 | Underwater data collection device and system |
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| CA3025351A1 CA3025351A1 (en) | 2018-06-21 |
| CA3025351C true CA3025351C (en) | 2020-09-15 |
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| CA3025351A Active CA3025351C (en) | 2016-12-15 | 2016-12-15 | Underwater data collection device and system |
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| CN (1) | CN108603775B (en) |
| CA (1) | CA3025351C (en) |
| WO (1) | WO2018107406A1 (en) |
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| CN110411494B (en) * | 2019-09-03 | 2021-05-07 | 成都西达瑞电子科技有限公司 | Wireless sensor |
| CN111795725A (en) * | 2020-07-31 | 2020-10-20 | 上海杰狮信息技术有限公司 | Integrated sensing device |
| 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 |
| CN112577622B (en) * | 2020-11-12 | 2022-12-06 | 山东省科学院海洋仪器仪表研究所 | Sectional three-dimensional temperature array sensor for seawater skin temperature measurement |
| CN112904322B (en) * | 2021-01-20 | 2023-04-28 | 中国科学院声学研究所 | High-efficient self-cooling sonar processor device |
| 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 |
| CN113252112B (en) * | 2021-06-10 | 2024-07-09 | 杭州浅海科技有限责任公司 | Battery compartment of salt temperature depth measurement system for seawater induction transmission communication |
| CN113595543B (en) * | 2021-07-09 | 2024-10-18 | 国家深海基地管理中心 | Non-contact trigger switch system for multi-path operation tool of deep sea carrier |
| 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 |
| CN114336092B (en) * | 2022-01-24 | 2022-12-09 | 山西汾西重工有限责任公司 | Underwater power-on mechanism |
| CN118534523A (en) * | 2024-07-22 | 2024-08-23 | 东海实验室 | Small-size repeatable reassembling type deep sea carbon fiber composite pressure-resistant structure |
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| CN2262745Y (en) * | 1996-04-18 | 1997-09-17 | 虞伟辉 | Overtravel-limit switch |
| KR100883090B1 (en) * | 2007-05-03 | 2009-02-11 | 김진태 | Under Water Temperature and Depth Measurement Data Collecting System |
| CN201072344Y (en) * | 2007-06-15 | 2008-06-11 | 高宏 | Seismograph acquisition station housing |
| CN101275899B (en) * | 2008-04-30 | 2011-09-07 | 中国船舶重工集团公司第七二五研究所 | Corrosion protection situation detecting device |
| CN203187758U (en) * | 2013-04-01 | 2013-09-11 | 中国海洋石油总公司 | Cathode protection monitor |
| CN204008924U (en) * | 2014-08-13 | 2014-12-10 | 中国科学院沈阳自动化研究所 | The autonomous device that detects deep-sea watertight performance of connector |
| CN204388915U (en) * | 2015-02-02 | 2015-06-10 | 深圳市达英和自动化工程有限公司 | A kind of measuring multiple parameters sensor |
| CN105510232B (en) * | 2015-11-25 | 2017-12-29 | 中国科学院南海海洋研究所 | A kind of seawater living optical cross-sectional measuring system |
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2016
- 2016-12-15 WO PCT/CN2016/109990 patent/WO2018107406A1/en active Application Filing
- 2016-12-15 CN CN201680078109.4A patent/CN108603775B/en active Active
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Also Published As
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| CN108603775A (en) | 2018-09-28 |
| WO2018107406A1 (en) | 2018-06-21 |
| CA3025351A1 (en) | 2018-06-21 |
| CN108603775B (en) | 2019-04-30 |
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