CN109917726A - A kind of underwater multichannel data acquisition device - Google Patents
A kind of underwater multichannel data acquisition device Download PDFInfo
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- CN109917726A CN109917726A CN201910294884.9A CN201910294884A CN109917726A CN 109917726 A CN109917726 A CN 109917726A CN 201910294884 A CN201910294884 A CN 201910294884A CN 109917726 A CN109917726 A CN 109917726A
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- analog
- power supply
- depth
- data acquisition
- digital conversion
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Abstract
The invention discloses a kind of underwater multichannel data acquisition device, including watertight installation bin, connector group, power control switch jack and the power supply connector that depth and temp probe, data communication connector, analog signal input are installed in the installation bin；The depth and temp probe for acquiring underwater operation depth and temperature when the work of underwater multichannel data acquisition device in real time；The data collecting card is mounted in the installation bin；Data collecting card includes analog-to-digital conversion module, sampling control module and power supply conversion module；Analog-to-digital conversion module is connected with the analog signal input adapter group watertight, transmits the analog voltage signal come for receiving analog signal input adapter group and the analog voltage signal is converted to digital signal, realize multichannel analog-to-digital conversion.The present apparatus has the characteristics that applicability is wide, portable strong, low in energy consumption, and the present invention may be selected to provide multi-channel data acquisition acquisition method.
Description
Technical field
The present invention relates to data acquisition devices, and in particular to a kind of underwater multichannel data acquisition dress with waterproof characteristic
It sets.
Background technique
With the continuous development of ocean detection/monitoring technology, monitoring technology gradually from laboratory to live transfer in situ, is counted
It is the essential core building block of underwater in-situ measuring technique according to acquisition device.
Currently, the data collection system and device in underwater in-situ measuring technique are the customization for a certain particular demands
Product, adaptability is poor, and, as obtaining for auxiliary parameter-depth necessary to underwater in-situ/profile survey and hydrographic information
The CTD sensor for being typically based on external import is taken, it is used with independent research coordinative composition of equipments, in use, can be deposited
In the mismatch of different data sample frequency, the drawbacks such as use process complexity, and the validity powered is also to be improved.
Summary of the invention
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art, a kind of underwater multichannel data acquisition dress is provided
Set, can mating various sensors simulation output, realize the high-precise synchronization Quick Acquisition of multi-sensor data, and synchronous recording
Depth information and water temperature information when each sensor samples under water.
To achieve the above object, the technical scheme is that
A kind of underwater multichannel data acquisition device, comprising:
Installation bin, be equipped in the installation bin depth and temp probe, data communication connector, power supply connector,
Power control switch jack and analog signal input adapter；
Data collecting card is mounted in the installation bin；The data collecting card includes analog-to-digital conversion module, sampling control
Molding block, power supply conversion module and Voltage stabilizing module；Wherein:
The analog-to-digital conversion module is connected with the analog signal input adapter group, for connecting input adapter institute outside receiving
The analog voltage signal is simultaneously converted to digital signal by the next analog voltage signal of transmission；
The sampling control module includes CPU master control borad and onboard data storage card；The CPU master control borad and modulus turn
The connection of block phase mould electric signal is changed the mold, is stored and with controlling analog-to-digital conversion and the data of external analog signal by the data communication
Connector carries out data transmission with host computer；The CPU master control borad also connects with signal with the depth and temp probe, to control
The underwater operation depth information and temperature information of depth processed/temp probe sampling and real-time reception and record acquisition；
The power control module is for controlling power supply power output to the Voltage stabilizing module, and the Voltage stabilizing module is for mentioning
The sampling control module and analog-to-digital conversion module are given for the regulated power supply of different size (no less than 5 kinds of specifications) requirement；It is described
Power supply connector with power supply for being connected.
The installation bin is a waterproof pressure-endurable ballasting, and the cabin includes cylinder and the watertight that is mounted on cylinder port
Ring flange；The data collecting card is mounted in cylinder, the data communication connector, power supply connector, power control switch
Jack is mounted on ring flange, positioned at the top in installation cabin；The analog signal input adapter group, depth and temp probe distribution
On the side of the installation bin cylinder.
The data communication connector, power supply connector, analog signal input adapter group are watertight connector, the power supply
Control switch jack watertight is mounted on the ring flange of installation cabin upper port, and depth and temp probe watertight are mounted on installation cabin
On side.
The analog-to-digital conversion module can be realized 32,20 channel, 16 Channel 12-Bits, add up to 36 channel analog-to-digital conversions.
The analog signal input adapter group includes no less than 20 analog signal being mounted on the side of cylinder inputs
Connector.
The power control module includes power control switch jack, non-contact switch and magnetosensitive approach switch；Institute
It states power control switch jack to be arranged in ring flange and be an invaginating watertight Asia jack, is provided with one in the sub- jack
The non-contact switch of pole shape, immediately below the sub- jack, survey is equipped with the magnetosensitive approach in ring flange
Switch, the magnetosensitive approach switch is connected with power supply, to control the on-off of power supply.
Compared with prior art, the present invention the beneficial effect is that:
Underwater multichannel data acquisition device provided in this embodiment can be realized the high-precise synchronization of multi-sensor data
Quick Acquisition, and depth information and water temperature information when each sensor of synchronous recording samples under water.It is each that most 20 tunnels can be achieved
32 high precision analogues of class sensor information are converted and 12 analog-to-digital conversions of 16 tunnel various kinds of sensors.Data acquisition device
Power supply process can be controlled by contactless watertight power control switch, multi-channel data acquisition unit underwater operation depth is many
In 200 meters.Data acquisition device is applicable to the high-precise synchronization acquisition control and scene self-tolerant number of different target sensor
According to storage, it is with a wide range of applications and good portable and adaptability.The present invention have it is low in energy consumption, high-precision, it is more
The features such as channel, the control of contactless water-tight switch.
Detailed description of the invention
Fig. 1 is the overall structure diagram of underwater multichannel data acquisition device provided in an embodiment of the present invention；
Fig. 2 is the circuit diagram of underwater multichannel data acquisition card provided in an embodiment of the present invention；
Fig. 3 is the schematic layout diagram of power control module；
In figure: 1, installation bin；2, depth and temp probe；3, data communication connector；4, analog signal input adapter group；5,
Power control switch jack；6, power supply connector；11, cylinder；12, ring flange；13, close to switch；14, contactless to open
It closes.
Specific embodiment
The contents of the present invention are described in further details with reference to the accompanying drawings and detailed description.
Embodiment:
Refering to fig. 1 shown in -3, underwater multichannel data acquisition device provided in this embodiment includes installation bin 1 and is mounted on
Data collecting card in installation bin 1.
Wherein, depth is installed in the installation bin 1 and temp probe 2, data communication connector 3, analog signal input connect
Head group 4, power control switch jack 5 and power supply connector 6；Specifically, which is at least arranged
There are 20, and the underwater operation of the depth and temp probe for when acquiring the work of underwater multichannel data acquisition device in real time is deep
Degree and temperature.
And the data collecting card then mainly includes analog-to-digital conversion module, sampling control module, power control module and steady
Die block；Wherein:
The sampling control module is used as CPU using embedded scm STM32F103RES, realization SPI, I on hardware2C
Serial line interface and SDIO high-speed interface, convenient peripheral chip and equipment with distinct interface are communicated, as shown in Fig. 2,
STM32F103RE and analog-to-digital conversion module SPI communication connection, using SDIO communication mould between STM32F103RE and MicroSD card
Formula, read or write speed (2MB/S) are four times or more of SPI mode.STM32F103RE is double by SPI serial ports and analog-to-digital conversion module
The analog voltage signal transmitted to communication with controlling analog-to-digital conversion module to analog signal input adapter group carry out analog-to-digital conversion,
Transformation result is read in real time and it is integrated MicroSD card is quickly stored in by SDIO interface after framing or to pass through RS232 real-time
It is uploaded to host computer or host computer is uploaded to by 3 external cable of data communication connector or wireless communication module, and buffer into
The data of MicroSD card can select to be uploaded to host computer progress data processing and analysis as needed.
The analog-to-digital conversion module is connected with analog signal input adapter group, for receiving analog signal input adapter group institute
The analog voltage signal is simultaneously converted to digital signal by the next analog voltage signal of transmission, realizes multichannel analog-to-digital conversion.Specifically
Ground, the analog-to-digital conversion mould use 32,10 channel of two panels and the built-in 16 Channel 12-Bit analog-to-digital conversion list of STM32F103RE
To realize at least 32,20 channel, 16 Channel 12-Bits, total 36 channel moduluses are quickly converted member.
Furthermore STM32F103RES (CPU) also connects both-way communication by I2C serial ports with depth with temp probe 2, is used for
Controlling depth temp probe data acquire and read in real time collected depth and a temperature information, and by the underwater operation depth
Limited resources are improved to improve validity, the accuracy of sampling as instrument sampling process control instructions signal with temperature information
Utilization rate.Specifically in use, the same of multichannel seawater optical information can be carried out using the silicon photomultiplier of array
Step monitoring sampling, that is to say, that in one of them application example, which is and is based on silicon photoelectricity times
The optical flux probe for increasing pipe is connected.
The power control module is for controlling power supply power output to the Voltage stabilizing module, and the Voltage stabilizing module is for providing difference
The regulated power supply of specification requirement gives the sampling control module and analog-to-digital conversion module；Specifically in the silicon photomultiplier transit using array
When pipe samples to carry out the Simultaneous Monitoring of multichannel seawater optical information, 27.5V, ± 12V, 5V, 3.3V, power supply electricity can be exported
Source connector with power supply for being connected, and when concrete application, input rated voltage may be selected as DC power supply/battery pack of 24V.
Specifically, the installation bin 1 be a waterproof pressure-endurable ballasting, can work under water, the cabin include cylinder 11 and
The ring flange 12 being mounted on 11 port of cylinder；The data collecting card is mounted in cylinder 11, and the data communication connector 3, confession
Electric power connection 6 is mounted on ring flange and is watertight connector, positioned at the top in installation cabin；The analog signal input adapter
Group includes no less than 20 analog signal input adapters being mounted on the side of cylinder, and the depth and temp probe 2 are also the same
It is distributed on the side of cylinder.
It follows that underwater multichannel data acquisition device provided in this embodiment can be underwater with array multi-detector
Highly sensitive photodetector, which matches, uses high-precision metrization and real-time storage, it can be achieved that 20 channel analog signals, data
Can as needed in real time or after be downloaded to host computer and be analyzed and processed and have the characteristics that multichannel, low-power consumption, high-precision.
As shown in figure 3, the power control module includes power control switch jack 5, non-contact switch 14 and magnetosensitive
The power control switch jack 5 is provided in the ring flange 11 close to switch 13., which is in one
Formula watertight Asia jack is fallen into, the non-contact switch 14 of a pole shape is provided in the Asia jack, immediately below the Asia jack, position
A magnetosensitive approach switch 13 is installed in surveying in ring flange, which is connected with power supply, opens contactless
When closing 14 insertion watertight Asia jack 5, the reed of magnetosensitive approach switch 13 is magnetized actuations, and power supply power supply link is connected, and connects non-
Touch switches 14 are extracted from watertight Asia jack 5, and the reed of magnetosensitive approach switch 13 is flicked, and power supply power supply link disconnects, with reality
From the on-off of instrument outside contactless formula control instrument power supply under present watertight state, guarantee safety that power supply uses and
Validity, while by contactless watertight power control switch, can to data collection system and various extraneous sensors into
Row power supply control, it is not only low in energy consumption, and also it is high to control precision.
Simply to illustrate that technical concepts and features of the invention, its purpose is allows in the art above-described embodiment
Those of ordinary skill cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention.It is all
It is the equivalent changes or modifications that the essence of content according to the present invention is made, should be covered by the scope of protection of the present invention.
Claims (6)
1. a kind of underwater multichannel data acquisition device characterized by comprising
Installation bin is equipped with depth and temp probe, data communication connector, power supply connector, power supply in the installation bin
Control switch jack and analog signal input adapter group；
Data collecting card is mounted in the installation bin；The data collecting card includes analog-to-digital conversion module, controlling of sampling mould
Block, power supply conversion module and Voltage stabilizing module；Wherein,
The analog-to-digital conversion module is connected with the analog signal input adapter group, is transmitted for connecting input adapter outside receiving
The analog voltage signal is simultaneously converted to digital signal by next analog voltage signal；
The sampling control module includes CPU master control borad and onboard data storage card；The CPU master control borad and analog-to-digital conversion mould
The connection of block phase mould electric signal, is stored and with controlling analog-to-digital conversion and the data of external analog signal by the data communication connector
Carry out data transmission with host computer；The CPU master control borad also connects with signal with the depth and temp probe, to control depth
The underwater operation depth information and temperature information of degree and temp probe sampling and real-time reception and record acquisition；
The power control module is for controlling power supply power output to the Voltage stabilizing module, and the Voltage stabilizing module is for providing not
The regulated power supply that same specification requires gives the sampling control module and analog-to-digital conversion module；The power supply connector is used for and electricity
Source is connected.
2. underwater multichannel data acquisition device as described in claim 1, which is characterized in that the installation bin is that a watertight is resistance to
Ballasting body, the cabin include cylinder and the watertight ring flange being mounted on cylinder port；The data collecting card is mounted on
In cylinder, the data communication connector, power supply connector, power control switch jack are mounted on ring flange, are located at installation
The top in cabin；The analog signal input adapter group, depth and temp probe are distributed on the side of the installation bin cylinder.
3. underwater multichannel data acquisition device as claimed in claim 1 or 2, which is characterized in that the data communication connector,
Power supply connector, analog signal input adapter group are watertight connector, and the power control switch jack watertight is mounted on
On the ring flange for upper port of shipping, depth and temp probe watertight are mounted on the side in installation cabin.
4. underwater multichannel data acquisition device as described in claim 1, which is characterized in that the analog-to-digital conversion module can
It realizes 32,20 channel, 16 Channel 12-Bits, adds up to 36 channel analog-to-digital conversions.
5. underwater multichannel data acquisition device as claimed in claim 2, which is characterized in that the analog signal input adapter
Group includes no less than 20 analog signal input adapters being mounted on the side of cylinder.
6. underwater multichannel data acquisition device as described in claim 1, which is characterized in that the power control module includes
Power control switch jack, non-contact switch and magnetosensitive approach switch；The power control switch jack is arranged in flange
In disk and it is an invaginating watertight Asia jack, the non-contact switch of a pole shape is provided in the sub- jack,
Immediately below the Asia jack, survey is equipped with the magnetosensitive approach switch, the magnetosensitive approach switch and power supply in ring flange
It is connected, to control the on-off of power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910294884.9A CN109917726A (en) | 2019-04-12 | 2019-04-12 | A kind of underwater multichannel data acquisition device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910294884.9A CN109917726A (en) | 2019-04-12 | 2019-04-12 | A kind of underwater multichannel data acquisition device |
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| CN109917726A true CN109917726A (en) | 2019-06-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112015121A (en) * | 2020-09-09 | 2020-12-01 | 中国海洋大学 | Underwater carrying platform extended power supply control connection system and working method thereof |
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Address after: No.1119 Haibin Road, Nansha District, Guangzhou City, Guangdong Province Applicant after: SOUTH CHINA SEA INSTITUTE OF OCEANOLOGY, CHINESE ACADEMY OF SCIENCES Address before: 510301 No. 164 West Xingang Road, Guangzhou, Guangdong, Haizhuqu District Applicant before: SOUTH CHINA SEA INSTITUTE OF OCEANOLOGY, CHINESE ACADEMY OF SCIENCES |
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Application publication date: 20190621 |
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