CN101846515A - Device capable of quickly getting depth profile data of sea water temperature - Google Patents
Device capable of quickly getting depth profile data of sea water temperature Download PDFInfo
- Publication number
- CN101846515A CN101846515A CN 201010198656 CN201010198656A CN101846515A CN 101846515 A CN101846515 A CN 101846515A CN 201010198656 CN201010198656 CN 201010198656 CN 201010198656 A CN201010198656 A CN 201010198656A CN 101846515 A CN101846515 A CN 101846515A
- Authority
- CN
- China
- Prior art keywords
- data
- circuit
- acquisition unit
- data acquisition
- function
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Abstract
The invention belongs to the field of marine environmental information monitoring, relating to a device capable of quickly depth getting profile data of sea water temperature. The present device has the problems of non-unified product materials, poor real time data acquisition and simple function. The invention provides the device capable of quickly getting depth profile data of sea water temperature, comprising a throwaway probe combination, an emitting device, a data acquisition unit and a data receiving and displaying unit, wherein the throwaway probe combination is a high-precision temperature sensor, which is connected with a sleeve through a slender wire and is used for data transmission; the emitting device is connected with the sleeve through three contacts, and then is connected with the data acquisition unit through a wire, and is used for uploading data; the data acquisition unit comprises a probe interface for receiving data, a sensor conditioning amplifying circuit with the functions of conditioning and amplifying, a low-pass filter circuit with the function of filtering, a calibration circuit with the function of acquisition circuit calibration, an AD acquisition circuit with the function of analog-digital conversion, and a DSP circuit with the function of signal processing.
Description
Technical field
The invention belongs to marine environment information monitoring technical field, be specifically related to a kind of device that can obtain the dark cross-sectional data of seawater temperature fast.
Background technology
Ocean resources are abundant, and economic interests and interest and right protection become the focus of countries in the world common concern.Development at the each side causes such as task guarantee of seafari, weather monitoring, marine navigation, the water surface and even submarine navigation device, press for reinforcement to the relevant range, ocean carry out for a long time, precisely, parameter measurement timely, and then obtain physical environment parameters such as the hydrology, the underwater sound, for the use of equipment such as all kinds of navigation, detection (for example sonar, autonomous aircraft) under water provides technical parameter.
Obtaining the dark cross-sectional data of temperature can also can use " the deserted temperature deep investigation XBT of system " to measure by special instrument one-point measurement, and the probe of this system is disposable use equipment, can use under the condition that boats and ships are walked to navigate, and can save ship time.Both can on regular oceanographic research ship, use, also can have very high dirigibility, and obtain maximum economic benefits in upward use of merchant ship (aspiration ship) at random.Because cost is low, it is flexible to use, can use in many marine sites, so it also is a kind of important supplement to undersea detection means such as buoy, subsurface buoy, UUV, AUV.
There is following problem in existing apparatus:
(1) product materials disunity: under the defined technical indicator condition of product, the Method and circuits that temperature survey and calibration are adopted is complicated, and the high precision device that relates to is too much, causes the complicated difficulty of debug process.The device value that every cover product uses when debugging needs to determine that separately the materials disunity causes production cost very high that production efficiency is lower.For example: individual resistance is arranged on probe sleeve, be used for compensating because the error that each link of product and parts inconsistency cause.Because its existence makes that the device of each product is all inconsistent, production cost increases, and consistance also is difficult for improving.
(2) poor real time data acquisition: the chip precision that the data acquisition unit that original system adopts is selected for use is too high, causes that real time data acquisition is relatively poor, the integrated circuit cost is too high, and required top-grade instrument instrument is too much in the production run, and processing and production difficulty are big.
(3) function is simple: do not have data acquisition task management functions, also not location and operation prompting function.Random big when the user operates, miss opportunity and task easily, cause and measure blank and loss.
Summary of the invention
The present invention proposes a kind of device that can obtain the dark cross-sectional data of seawater temperature fast, to solve product materials disunity, poor real time data acquisition and the function simple question that prior art exists.
For overcoming the problem that prior art exists, technical scheme provided by the present invention is:
A kind of device that can obtain the dark cross-sectional data of seawater temperature fast comprises deserted probe combination, emitter, data acquisition unit and Data Receiving display unit,
A, the combination of deserted probe: comprise sleeve and temperature sensors of high precision, temperature sensors of high precision is connected with sleeve by an elongated lead, is used for data transmission;
B, emitter: comprise carrying support, latch mechanism, wire contact and patch device and form, wherein link to each other by three contacts between emitter and the sleeve, be connected with data acquisition unit by cable again, be used to upload data.
C, the data acquisition unit that sensor signal is gathered and handled: comprise the probe interface that receives data, play the sensor conditioning amplifying circuit of signal condition amplification, the low-pass filter circuit that strobes, play the calibration circuit of Acquisition Circuit calibration function, play the AD Acquisition Circuit of simulation digital conversion effect, play the DSP circuit of signal Processing effect, described calibration circuit and probe interface join, probe interface also is connected to sensor conditioning amplifying circuit successively, low-pass filter circuit, AD Acquisition Circuit and DSP circuit, probe interface also joins with the DSP circuit, and the result of telecommunication circuit after with acquisition process sends to the Data Receiving display unit.
D, Data Receiving display unit: comprise the Big Dipper/GPS and computing machine, before system uses, measuring task is passed through in the input equipment input system of computer the geographical location information that system obtains according to the Big Dipper/GPS by the user, for the user provides indication information, experimental measurement is carried out in prompting; After the data that receive data acquisition unit, the Data Receiving display unit is handled through correlation analysis, draws out ocean temperature-depth curve figure, carries out data storage and filing simultaneously.
The aforementioned calculation machine can be desk-top or notebook computer.
The aforementioned calculation machine can be a palm PC.More convenient practicality, simple to operate.
Relative and the prior art of the present invention has following advantage and effect:
(1) product materials is unified: improved production efficiency greatly, for example compensate because the error that each link of product and parts inconsistency cause by the calibration circuit on the data acquisition unit, make the resistance of resistance can fix fully, and allow certain error range.Simplified production run greatly.Solved the skimble-scamble problem of product materials by this method.
(2) real time data acquisition is good: the data acquisition unit that proposes in the invention has adopted high speed operation amplifier device and 16 AD in design, and these measures have improved real time data acquisition under the prerequisite that ensures precision.
(3) perfect in shape and function: system has increased the Big Dipper/GPS geography information positioning function and task management functions, and the operator can be got ready before operation easily, is convenient to after the use check and confirms.The Data Receiving display terminal is selected palm PC for use, can satisfy the environmental requirement of offshore operation better.
Description of drawings
Fig. 1 whole connection diagram of the present invention;
Fig. 2 data acquisition unit block diagram;
Fig. 3 Data Receiving display unit block diagram;
Fig. 4 sensor conditioning amplification circuit diagram;
Fig. 5 AD Acquisition Circuit figure.
Embodiment
Below in conjunction with drawings and Examples the present invention is described in detail:
A kind of device that can obtain the dark cross-sectional data of seawater temperature fast comprises deserted probe combination, emitter, data acquisition unit and Data Receiving display unit four major parts:
(1) deserted probe combination: referring to Fig. 1, our department is divided into known technology.Generally all comprise sleeve and temperature sensors of high precision, link to each other by an elongated lead between temperature sensors of high precision and the sleeve, be used for data transmission.
In the present invention, finish power-on self-test and calibration function, make the resistance of this resistance can fix fully, and allow certain error range, simplified production run greatly by the calibration circuit on the data acquisition unit.Solved the skimble-scamble problem of product materials by this method.
In the present invention, employing good stability, the mentality of designing that environmental suitability is strong, preferred moderate accuracy and the device that meets the demands, solve starting material device cost problem on the one hand, solve the debugging problem in the production run on the other hand, do not need every cover product to debug separately, but solve precision problem by the self calibration mode.All products can a general cover device value.Production efficiency and cost have greatly been improved.
(2) emitter: referring to Fig. 1, our department is divided into known technology, mainly forms by carrying support, latch mechanism, wire contact and patching device.Wherein link to each other by three contacts between emitter and the sleeve, be connected with data acquisition unit by cable again, be used to upload data.
(3) data acquisition unit: the data acquisition unit that sensor signal is gathered and handled: comprise the probe interface that receives data, play the sensor conditioning amplifying circuit of signal condition amplification, the low-pass filter circuit that strobes, play the calibration circuit of Acquisition Circuit calibration function, play the AD Acquisition Circuit of simulation digital conversion effect, play the DSP circuit of signal Processing effect, described calibration circuit and probe interface join, probe interface also is connected to sensor conditioning amplifying circuit successively, low-pass filter circuit, AD Acquisition Circuit and DSP circuit, probe interface also joins with the DSP circuit, and the result of telecommunication circuit after with acquisition process sends to the Data Receiving display unit.
Referring to Fig. 2, the present invention has designed sensor modulate circuit and AD Acquisition Circuit wherein, and other circuit adopts common circuit to get final product.
1. as shown in Figure 4, the sensor modulate circuit is made up of 4 operational amplifiers and some resistance.R wherein
1=R
6=R forms two arms of electric bridge, resistance R
16, resistance R
17, resistance R
18And resistance R
20An arm forming electric bridge, resistance R
16, resistance R
17And resistance R
19The 4th arm forming electric bridge.
Principle of work is that three changes in resistance amounts are arranged in design, is respectively: two enamel-cover leads, seawater resistance.The temperature variation of seawater can cause the enameled wire changes in resistance.Must eliminate this changes thermometric influence.The measure that we take is: (1) is placed on two enamel-cover leads within the encapsulation, so that its residing temperature environment is the same, just its changes in resistance amount is the same, so just can be complementary; (2) adopt the bridge metering circuit, balance out the resistance variations of two enameled wires, make its resistance variations not influence the resistance variations of thermistor.The resistance of seawater also is what can change, along with its variable quantity of change of temperature from 20-50 ohm (it doesn't matter but seawater resistance is with the degree of depth of seawater).We must make these three variable quantities not influence the resistance change of thermistor when design back conditioning amplifying circuit, though the output voltage of conditioning amplifying circuit only relevant with the resistance value of thermistor.
If the voltage that reference source provides is 2E
r, the enlargement factor of operational amplifier A 2 is that 2,2 voltage is E
2=IR
17+ IR
19+ IR
16, then the output voltage of A2 is 2E
2Select suitable resistance value R
2And R
3The voltage that makes at 1 is E
1=IR
17+ IR
18+ IR
16+ IR
20=E
r+ E
2, i.e. IR
20=E
r3 voltage E
3=E
r+ E
2+ IR; Select suitable resistance to make 4 voltage E
4=E
2+ IR; Select suitable resistance to make E
o=IR-E
rThe conditioning amplifying circuit is output as E like this
o=IR-E
r=IR-IR
20, output and resistance R
16, resistance R
17, resistance R
18And resistance R
19Irrelevant, only with the resistance R of thermistor
20Relevant.
2. as shown in Figure 5, the AD Acquisition Circuit is by the AD conversion chip, reference clock, and outside resistance capacitance is formed.Wherein, the reference clock that provides of reference crystal non-ly provides primary reference clock for the AD conversion chip behind the door through one.The electric capacity of AD conversion chip outside is used for being the high frequency clutter in each road power supply of bypass.The data output interface and the control interface of AD conversion chip are received dsp chip.The sampling rate of A/D is 50KHz.
(4) referring to Fig. 3, the Data Receiving display unit comprises the Big Dipper/GPS, and computing machine (desk-top, notebook type or palm PC formula) recommends to use palm PC.Before system uses, measuring task is passed through in the input equipment input system of computer by the user.In the operating process, system is according to the geographical location information that obtains, and for the user provides indication information, experimental measurement is carried out in prompting.After the data that receive data acquisition unit, the Data Receiving display unit is handled through correlation analysis, draws out ocean temperature-depth curve figure, carries out data storage and filing simultaneously.By above method, solved the technical need that data acquisition task management, location and operation are reminded.
The Data Receiving display unit is the user interface of total system, is made of a technical grade palm PC, for waterproof, can select the palm PC product of U.S. Trimble company for use, and it can be equipped with the GPS module, also can be equipped with Big Dipper positioning unit by serial ports.Adopt touch-screen, can carry out stores processor and the synthesis display and the management function of data.This palm PC has serial ports, network interface, can satisfy the requirement of protection against the tide, environment aspect such as shockproof.Adopt lithium battery power supply, stream time is higher than 3 hours.Have the flash memory protected mode, prevent that the data accident from losing.Design objective input function and prompting warning function in this unit.Before operating personnel sail, can need the latitude and longitude information of each position of measuring by user interface input, when navigating by water in the distance measurement point certain distance scope, the computer information of sounding, alarm operation.
Claims (3)
1. the device that can obtain the dark cross-sectional data of seawater temperature fast comprises deserted probe combination, emitter, data acquisition unit and Data Receiving display unit,
A, the combination of deserted probe: comprise sleeve and temperature sensors of high precision, temperature sensors of high precision is connected with sleeve by an elongated lead, is used for data transmission;
B, emitter: comprise carrying support, latch mechanism, wire contact and patch device and form, wherein link to each other by three contacts between emitter and the sleeve, be connected with data acquisition unit by cable again, be used to upload data;
C, the data acquisition unit that sensor signal is gathered and handled: comprise the probe interface that receives data, play the sensor conditioning amplifying circuit of signal condition amplification, the low-pass filter circuit that strobes, play the calibration circuit of Acquisition Circuit calibration function, play the AD Acquisition Circuit of simulation digital conversion effect, play the DSP circuit of signal Processing effect, described calibration circuit and probe interface join, probe interface also is connected to sensor conditioning amplifying circuit successively, low-pass filter circuit, AD Acquisition Circuit and DSP circuit, probe interface also joins with the DSP circuit, and the result of telecommunication circuit after with acquisition process sends to the Data Receiving display unit;
D, Data Receiving display unit: comprise the Big Dipper/GPS and computing machine, before system uses, measuring task is passed through in the input equipment input system of computer the geographical location information that system obtains according to the Big Dipper/GPS by the user, for the user provides indication information, experimental measurement is carried out in prompting; After the data that receive data acquisition unit, the Data Receiving display unit is handled through correlation analysis, draws out ocean temperature-depth curve figure, carries out data storage and filing simultaneously.
2. the device that can obtain the dark cross-sectional data of seawater temperature fast according to claim 1, it is characterized in that: described computing machine can be desk-top or notebook computer.
3. the device that can obtain the dark cross-sectional data of seawater temperature fast according to claim 1, it is characterized in that: described computing machine can be a palm PC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010198656 CN101846515A (en) | 2010-06-12 | 2010-06-12 | Device capable of quickly getting depth profile data of sea water temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010198656 CN101846515A (en) | 2010-06-12 | 2010-06-12 | Device capable of quickly getting depth profile data of sea water temperature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101846515A true CN101846515A (en) | 2010-09-29 |
Family
ID=42771210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010198656 Pending CN101846515A (en) | 2010-06-12 | 2010-06-12 | Device capable of quickly getting depth profile data of sea water temperature |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101846515A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103245766A (en) * | 2013-05-06 | 2013-08-14 | 江苏大学 | PH value monitoring wireless sensing network (WSN) node device for preventing secrete drainage of sewage and monitoring method |
| CN103544339A (en) * | 2013-09-18 | 2014-01-29 | 天津工业大学 | Modeling calculating method of distribution capacitance between transmission lines of underwater XCTD section plotter |
| CN103630257A (en) * | 2013-12-18 | 2014-03-12 | 山东省科学院海洋仪器仪表研究所 | Quadrature modulation-based linear ocean profile temperature measuring method |
| CN103791892A (en) * | 2014-01-21 | 2014-05-14 | 国家海洋局第二海洋研究所 | Shipborne view field adjustable sea level observation device and method |
| CN104913859A (en) * | 2015-05-29 | 2015-09-16 | 中国科学院声学研究所 | Temperature/depth detection device based on 485 bus, system and method |
| CN106352857A (en) * | 2016-10-12 | 2017-01-25 | 中国科学院深海科学与工程研究所 | Load rejection type deep sea oceanic turbulence mixing profile measuring instrument |
| CN106767724A (en) * | 2016-12-10 | 2017-05-31 | 国家海洋局第二海洋研究所 | A kind of installation method on the spot of Ocean Surveying equipment |
| CN112415047A (en) * | 2020-11-02 | 2021-02-26 | 大连理工大学 | Sea ice-sea water heat flux coefficient's testing arrangement |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996018082A1 (en) * | 1994-12-05 | 1996-06-13 | Sippican, Inc. | Depth sensing expendable oceanographic probes |
| CN2847232Y (en) * | 2005-08-08 | 2006-12-13 | 武汉大学 | Monitor for ocean water |
| CN201210052Y (en) * | 2008-06-11 | 2009-03-18 | 山东省科学院海洋仪器仪表研究所 | Disposable sea water section measurer |
-
2010
- 2010-06-12 CN CN 201010198656 patent/CN101846515A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996018082A1 (en) * | 1994-12-05 | 1996-06-13 | Sippican, Inc. | Depth sensing expendable oceanographic probes |
| CN2847232Y (en) * | 2005-08-08 | 2006-12-13 | 武汉大学 | Monitor for ocean water |
| CN201210052Y (en) * | 2008-06-11 | 2009-03-18 | 山东省科学院海洋仪器仪表研究所 | Disposable sea water section measurer |
Non-Patent Citations (1)
| Title |
|---|
| 《中国优秀硕士学位论文全文数据库》 20071115 武玉华 XCTD温度和电导率传感器技术研究 摘要，第9-20，35-39页、图1.3-1.6，2.2 , 第5期 2 * |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103245766A (en) * | 2013-05-06 | 2013-08-14 | 江苏大学 | PH value monitoring wireless sensing network (WSN) node device for preventing secrete drainage of sewage and monitoring method |
| CN103544339A (en) * | 2013-09-18 | 2014-01-29 | 天津工业大学 | Modeling calculating method of distribution capacitance between transmission lines of underwater XCTD section plotter |
| CN103630257A (en) * | 2013-12-18 | 2014-03-12 | 山东省科学院海洋仪器仪表研究所 | Quadrature modulation-based linear ocean profile temperature measuring method |
| CN103791892A (en) * | 2014-01-21 | 2014-05-14 | 国家海洋局第二海洋研究所 | Shipborne view field adjustable sea level observation device and method |
| CN103791892B (en) * | 2014-01-21 | 2017-02-08 | 国家海洋局第二海洋研究所 | Shipborne view field adjustable sea level observation device and method |
| CN104913859A (en) * | 2015-05-29 | 2015-09-16 | 中国科学院声学研究所 | Temperature/depth detection device based on 485 bus, system and method |
| CN106352857A (en) * | 2016-10-12 | 2017-01-25 | 中国科学院深海科学与工程研究所 | Load rejection type deep sea oceanic turbulence mixing profile measuring instrument |
| CN106352857B (en) * | 2016-10-12 | 2018-09-04 | 中国科学院深海科学与工程研究所 | A kind of throwing load formula deep-sea oceanic turbulence mixing bottom profiler |
| CN106767724A (en) * | 2016-12-10 | 2017-05-31 | 国家海洋局第二海洋研究所 | A kind of installation method on the spot of Ocean Surveying equipment |
| CN106767724B (en) * | 2016-12-10 | 2018-07-03 | 国家海洋局第二海洋研究所 | A kind of installation method on the spot of Ocean Surveying equipment |
| CN112415047A (en) * | 2020-11-02 | 2021-02-26 | 大连理工大学 | Sea ice-sea water heat flux coefficient's testing arrangement |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101846515A (en) | Device capable of quickly getting depth profile data of sea water temperature | |
| CN201724759U (en) | Device capable of rapidly acquiring seawater temperature-depth cross-sectional data | |
| CN102884451B (en) | Underwater sensing apparatus | |
| Johnson et al. | A compact, low-cost GPS drifter for use in the oceanic nearshore zone, lakes, and estuaries | |
| CN103439025B (en) | Water body Pi Wen-Biao Wen synchronous measuring apparatus determines calibration method to satellite remote sensing | |
| CN203687887U (en) | Laser snow depth measurement instrument | |
| US9720084B2 (en) | Depth display using sonar data | |
| CN105043442A (en) | Self-contained underwater sound and hydrological data synchronous acquisition device, system and method | |
| CN102809375A (en) | System and method for sensing and computing underwater navigation and water quality parameter longitude and latitude distribution | |
| CN202911938U (en) | System integrating underwater bionic robot and water quality detection sensor | |
| CN209043897U (en) | A kind of bluetooth portable Soil K+adsorption service system | |
| CN202853611U (en) | Amphibious hydrological water quality comprehensive tour gauging vehicle | |
| CN102889946A (en) | Device for sensing and measuring temperature and salinity of water body on surface layer | |
| CN203204159U (en) | Integrated system for underwater positioning | |
| CN204758163U (en) | Perpendicular sea temperature measuring apparatu | |
| CN204464473U (en) | Positioning antenna device | |
| CN201754109U (en) | Temperature and humidity monitoring system based on low frequency slip ring signal transmission | |
| CN204791490U (en) | Multi -functional intelligent current surveying fairway buoy | |
| CN204489137U (en) | A kind of inland navigation craft load measuring device | |
| CN202614218U (en) | Handheld intelligent height indicator | |
| CN103913758A (en) | Integrated system for underwater positioning | |
| CN207395788U (en) | A kind of small data shows bathythermograph | |
| CN103499333B (en) | Digital sextant | |
| CN203204154U (en) | Wireless remote-control cruising fish finder | |
| CN202255676U (en) | Sea water temperature detection circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20100929 |