CN201724759U - Device capable of rapidly acquiring seawater temperature-depth cross-sectional data - Google Patents
Device capable of rapidly acquiring seawater temperature-depth cross-sectional data Download PDFInfo
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- CN201724759U CN201724759U CN2010202237466U CN201020223746U CN201724759U CN 201724759 U CN201724759 U CN 201724759U CN 2010202237466 U CN2010202237466 U CN 2010202237466U CN 201020223746 U CN201020223746 U CN 201020223746U CN 201724759 U CN201724759 U CN 201724759U
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Abstract
The utility model belongs to the technical field of ocean environment information motoring, particularly relates to a device capable of rapidly acquiring the seawater temperature-depth cross-sectional data and aims to solve the problems of non-uniform product materials, poor data acquisition instantaneity and simple function existing in the prior art. The technical scheme of the utility model for solving the problems existing in the prior art is that: the device capable of rapidly acquiring the seawater temperature-depth cross-sectional data comprises a disposable probe combination and an emitting device and is characterized by also comprising a data acquisition unit and a data receiving and displaying unit, wherein the data acquisition unit for acquiring and processing a sensor signal comprises an probe interface for receiving data, a sensor conditioning and amplifying circuit for conditioning and amplifying a signal, a low-pass filter circuit for filtering, a calibration circuit for calibrating an acquisition circuit, an analogue to digital (AD) acquisition circuit for performing analogue to digital conversion and a digital signal processing (DSP) circuit for conditioning the signal.
Description
Technical field
The utility model belongs to marine environment information monitoring technical field, is 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.
The utility model content:
The utility model provides 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 utility model is:
A kind of device that can obtain the dark cross-sectional data of seawater temperature fast comprises deserted probe combination, emitter, it is characterized in that, also comprises 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 and the DSP circuit that plays the signal Processing effect of the effect of simulation digital conversion, 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.
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.
The beneficial effects of the utility model are:
(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 utility model 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 utility model;
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 utility model 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 utility model, finish power-on self-test and calibration function by the calibration circuit on the data acquisition unit, make the resistance of this resistance can fix fully, and allow certain error range, simplified production run greatly.Solved the skimble-scamble problem of product materials by this method.
In the utility model, 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 utility model 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 and emitter, it is characterized in that: also comprise 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.
2. a kind of device that can obtain the dark cross-sectional data of seawater temperature fast as claimed in claim 1, it is characterized in that: described computing machine is desk-top or notebook computer.
3. a kind of device that can obtain the dark cross-sectional data of seawater temperature fast as claimed in claim 1, it is characterized in that: described computing machine is a palm PC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202237466U CN201724759U (en) | 2010-06-12 | 2010-06-12 | Device capable of rapidly acquiring seawater temperature-depth cross-sectional data |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202237466U CN201724759U (en) | 2010-06-12 | 2010-06-12 | Device capable of rapidly acquiring seawater temperature-depth cross-sectional data |
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| Publication Number | Publication Date |
|---|---|
| CN201724759U true CN201724759U (en) | 2011-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010202237466U Expired - Lifetime CN201724759U (en) | 2010-06-12 | 2010-06-12 | Device capable of rapidly acquiring seawater temperature-depth cross-sectional data |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103759717A (en) * | 2014-01-22 | 2014-04-30 | 中国科学院半导体研究所 | Optical fiber temperature-depth diving mark continuous measuring system |
| CN104035367A (en) * | 2014-06-16 | 2014-09-10 | 西安天和防务技术股份有限公司 | Temperature-depth probe automatic placing-discarding combined control box and temperature-depth probe automatic placing-discarding device |
| CN104897298A (en) * | 2015-05-29 | 2015-09-09 | 中国科学院声学研究所 | Detection apparatus, system and method based on fiber communication |
| CN104913858A (en) * | 2015-05-29 | 2015-09-16 | 中国科学院声学研究所 | Data acquisition device, a detection device and a system |
| CN104913816A (en) * | 2015-05-29 | 2015-09-16 | 中国科学院声学研究所 | Sea temperature/depth measurement system powered by upper computer and measurement method for the same |
| CN104913860A (en) * | 2015-05-29 | 2015-09-16 | 中国科学院声学研究所 | Method and device for seawater detection based on wireless communication |
| CN112013995A (en) * | 2020-08-21 | 2020-12-01 | 中国科学院声学研究所 | Seawater temperature profile rapid measurement system and method based on unmanned aerial vehicle |
-
2010
- 2010-06-12 CN CN2010202237466U patent/CN201724759U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103759717A (en) * | 2014-01-22 | 2014-04-30 | 中国科学院半导体研究所 | Optical fiber temperature-depth diving mark continuous measuring system |
| CN103759717B (en) * | 2014-01-22 | 2016-04-20 | 中国科学院半导体研究所 | A kind of optical fiber temperature deep diving mark continuous measurement system |
| CN104035367A (en) * | 2014-06-16 | 2014-09-10 | 西安天和防务技术股份有限公司 | Temperature-depth probe automatic placing-discarding combined control box and temperature-depth probe automatic placing-discarding device |
| CN104035367B (en) * | 2014-06-16 | 2017-01-11 | 西安天和防务技术股份有限公司 | Temperature-depth probe automatic placing-discarding combined control box and temperature-depth probe automatic placing-discarding device |
| CN104897298A (en) * | 2015-05-29 | 2015-09-09 | 中国科学院声学研究所 | Detection apparatus, system and method based on fiber communication |
| CN104913858A (en) * | 2015-05-29 | 2015-09-16 | 中国科学院声学研究所 | Data acquisition device, a detection device and a system |
| CN104913816A (en) * | 2015-05-29 | 2015-09-16 | 中国科学院声学研究所 | Sea temperature/depth measurement system powered by upper computer and measurement method for the same |
| CN104913860A (en) * | 2015-05-29 | 2015-09-16 | 中国科学院声学研究所 | Method and device for seawater detection based on wireless communication |
| CN104913860B (en) * | 2015-05-29 | 2018-08-14 | 中国科学院声学研究所 | Seawater detection method based on wireless telecommunications and device |
| CN104897298B (en) * | 2015-05-29 | 2018-11-06 | 中国科学院声学研究所 | A kind of detection device based on fiber optic communication, system and method |
| CN112013995A (en) * | 2020-08-21 | 2020-12-01 | 中国科学院声学研究所 | Seawater temperature profile rapid measurement system and method based on unmanned aerial vehicle |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110126 |
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| CX01 | Expiry of patent term |