CN108917853A - A kind of thermohaline depth sensor and its control method - Google Patents
A kind of thermohaline depth sensor and its control method Download PDFInfo
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- CN108917853A CN108917853A CN201810984262.4A CN201810984262A CN108917853A CN 108917853 A CN108917853 A CN 108917853A CN 201810984262 A CN201810984262 A CN 201810984262A CN 108917853 A CN108917853 A CN 108917853A
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000000523 sample Substances 0.000 claims abstract description 36
- 238000005259 measurement Methods 0.000 claims abstract description 14
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 90
- 229910052697 platinum Inorganic materials 0.000 claims description 45
- 239000013535 sea water Substances 0.000 claims description 13
- 230000001681 protective effect Effects 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 2
- 230000007812 deficiency Effects 0.000 abstract description 3
- 238000012544 monitoring process Methods 0.000 abstract description 3
- 230000007547 defect Effects 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 abstract description 2
- 238000005070 sampling Methods 0.000 description 11
- 239000012535 impurity Substances 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
Abstract
The invention belongs to hydrospace detection instrument technical field, it is related to a kind of thermohaline depth sensor and control method.A kind of thermohaline depth sensor, including conductivity sensor, temperature sensor, pressure sensor and control mainboard, the temperature sensor, pressure sensor are connect with conductivity sensor respectively；Temperature sensor, pressure sensor and the conductivity sensor passes through conducting wire and connect with control mainboard, and the conductivity sensor includes conductivity probe, support plate and cylinder；The conductivity probe is fixed on support plate upper surface, and cylinder is fixed on the lower surface of support plate；Conductivity wire through-hole is offered in the cylinder, and for mounting temperature sensor, the through-hole of pressure sensor.Thermohaline depth sensor of the invention and control method can be improved the accuracy of measurement data, overcome the deficiencies of monitoring data are unreliable in the prior art and defect using conductivity sensor probe inner horizontal cross section integrated thermistor and pressure sensor.
Description
Technical field
The invention belongs to hydrospace detection instrument technical field, it is related to a kind of thermohaline depth sensor and control method.
Background technique
In ocean research field, temperature, salinity and depth are basic oceanographic hydrological elements, are that oceanographic survey and environment are supervised
One of most important observation project in survey.
Deep earth sampling system includes hydrophore, microbial concentration pressure keeping sampler, marine sediment sampler, sea-bottom deposit
The accurate control of the system equipments such as object characteristic in-site measurement analysis, Seawater Samples stratified sampling and submarine sampling needs high quality
Thermohaline depth data.When collecting sample is recovered to the ring of normal temperature and pressure to deep earth sampling system from the deep-sea of thousands of meters of high pressure low temperatures
During border, collected sample properties can change because of the change of the factors such as temperature, salinity and depth, such as in sample
Partial solubility gas may escape loss due to supersaturation, so that analysis data not can truly reflect deep-sea original
Position sample at being grouped as information, and influence the characteristic Inversion Calculation and modeling of deep earth sampling sample.Due to deep earth sampling system
When seabed works, a large amount of silts generate disturbance to thermohaline measurement deeply, reduce the measurement accuracy of thermohaline depth data.Existing market
Thermohaline depth measuring instrument, in safeguard structure, sensor probe construction, control method etc. existing defects cannot be good
It is applicable in the application requirement of deep earth sampling thermohaline depth in-site measurement.
Summary of the invention
The purpose of the present invention is overcome the deficiencies of the prior art and provide a kind of thermohaline depth sensor.
To achieve the goals above, the technical solution adopted by the present invention is that：A kind of thermohaline depth sensor, including conductivity pass
Sensor, temperature sensor, pressure sensor and control mainboard, the temperature sensor, pressure sensor respectively with conductivity
Sensor connection；Temperature sensor, pressure sensor and the conductivity sensor passes through conducting wire and connect with control mainboard,
It is characterized in that：The conductivity sensor includes conductivity probe, support plate and cylinder；The conductivity probe is fixed
Surface on the supporting plate, cylinder are fixed on the lower surface of support plate；Conductivity wire through-hole, Yi Jiyong are offered in the cylinder
In mounting temperature sensor, the through-hole of pressure sensor.
Further, the conductivity sensor includes conductivity probe and cylinder；Conductivity probe includes arch door shape
Conductance cell and its seven arch door shape platinum electrodes of internal setting, each platinum electrode are equipped with corresponding pad and conducting wire, seven electrodes
Conducting wire control mainboard is connected to by the conductivity wire through-hole.
Further, seven arch door shape platinum electrodes are set in qually spaced in arch door shape conductance cell with the spacing of 1~3cm
It is internal.
Further, seven arch door shape platinum electrodes, wherein the thickness of the 1st, the 4th and the 7th arch door shape platinum electrode
It is identical；The thickness of 2nd, the 3rd, the 5th, the 6th arch door shape platinum electrode is identical；And the 1st, the 4th and the 7th arch door shape platinum electrode
Thickness is twice of the thickness of remaining 4 arch door shape platinum electrode.
Further, seven arch door shape platinum electrodes, wherein the 1st, 4 and 7 arch door shape platinum electrode with a thickness of 2~
6mm, remaining 4 arch door shape platinum electrode with a thickness of 1~3mm.
Preferably, the through-hole that the probe of temperature sensor and pressure sensor opens up in support plate extend into arch door shape
The inside of conductance cell, and be in the same level of arch door shape conductance cell internal cross section, sealing installation.
Preferably, in order to preferably adapt to the application environment of deep earth sampling, the thermohaline depth sensor further includes stirring
Device, the agitating device are made of motor, connecting rod and Mixing Brush；Mixing Brush is connected to motor by connecting rod, and described stirs
It mixes brush to be also mounted inside arch door shape conductance cell, the motor is wired to control mainboard.
Preferably, in order to enhance the protective action to the thermohaline depth sensor, in the thermohaline depth sensor
Outside is provided with end cap and cabin, and end cap is located at the top of cabin；The control mainboard is mounted on inside cabin, and conductivity passes
Sensor, temperature sensor, pressure sensor are mounted on end cap top.
Further, the end cap edge circumference, is equidistantly equipped with several protective stents, the protective stent
Top is equipped with the protection strainer parallel with end cap；The installation site of the protective stent should avoid going out for arch door shape conductance cell
Entrance cannot stop seawater to enter the inside of arch door shape conductance cell, and with entrance Edge Distance interval 2cm or more.
In order to achieve the object of the present invention, the present invention also provides the control methods of the thermohaline depth sensor, including with
Lower step：
（1）, before measurement data, the control mainboard starting agitating device in thermohaline depth sensor cabin works 1~60 second；
（2）, wait 1~10 second after, agitating device stops working, and control mainboard starts acquisition measurement temperature, conductivity and pressure
Force data, and it is converted into Salinity Data, it is combined into data packet together with time of measuring, serial number, stores into control mainboard；
（3）, thermohaline depth sensor continuous work 30 minutes or so, control mainboard be again started up agitating device work 1~60 second,
And wait 1~10 second, carry out the thermohaline depth DATA REASONING work of next cycle.
Temperature, conductivity and the pressure data acquisition time interval can be arranged by control mainboard, and interval time sets
Setting range is 0.2 second~60 seconds.
Certainly, according to different sea situations, control mainboard, which may be set to be, does not start agitating device, to measure seawater faster
In thermohaline depth data.
Thermohaline depth sensor of the invention and control method, it is integrated using conductivity sensor probe inner horizontal cross section
Thermistor and pressure sensor, and drive control direct current generator Mixing Brush is used to enhance the flowing for being tested seawater in conductance cell
Property, installation protection strainer reduce seawater impurity disturbance etc. serial of methods, eliminate and inhibit under deep earth sampling application environment by
It is sprung up in sediment settlement, microorganism attachment, thermohaline depth sensor caused by the reasons such as conductivity probe internal sea water flowing is unsmooth
The shortcomings and deficiencies of the prior art such as performance failure, monitoring data are unreliable.The thermohaline depth sensor have it is long-term it is online with
The ability to work of self-tolerant measurement, can be applied to the deep sea in-situs observation platform such as submarine observation network, also can be used as underwater glider
The main carrying instrument of equal sections automatic observation platform has important meaning to the quality of data for promoting thermohaline depth sensor
Justice.
Detailed description of the invention
Fig. 1 is the overall structure diagram of thermohaline depth sensor of the invention；
Fig. 2 is the structural representation longitudinal direction bottom view of conductivity probe；
Fig. 3 is conductivity sensor structural representation longitudinal direction front view；
Fig. 4 is the structural representation side view of the arch door shape platinum electrode in conductivity probe；
Fig. 5 is the structural schematic diagram of agitating device.
Specific embodiment
Thermohaline depth sensor of the invention and its control method are described in detail with reference to the accompanying drawings and examples.
The thermohaline depth sensor of the present embodiment as shown in Figure 1 is the sensor suitable for deep earth sampling system, mainly group
At partially including：Conductivity sensor, temperature sensor and pressure sensor and control mainboard, end cap, cabin.End cap 30
It is the external protection guards and support construction of entire sensor with cabin 29, end cap 30 is mounted on the top of cabin 29.In cabin
Inside is equipped with control mainboard 28.The top of end cap be equipped with conductivity sensor, temperature sensor, pressure sensor and
Agitating device.
Shown in Fig. 2 and 3, conductivity sensor includes conductivity probe 3, support plate 31 and cylinder 13.Conductivity probe 3 is solid
It is scheduled on 31 upper surface of support plate, cylinder 13 is fixed on the lower surface of support plate 31.The lower end of cylinder 13 is provided with external screw thread, with end cap
The screw-internal thread fit opened up on 30, and it is equipped with O-ring seal, then the two screws installation with tool.For the ease of installation temperature
Sensor, pressure sensor and agitating device are spent, offers in support plate 31 and corresponding through-hole in cylinder 13.
As shown in Figure 2,3, 4, it is equipped with arch door shape conductance cell 4 among conductivity probe 3, is equipped in arch door shape conductance cell 4
First arch door shape platinum electrode 5, the second arch door shape platinum electrode 6, third arch door shape platinum electrode 7, the 4th arch door shape platinum electrode the 8, the 5th
Arch door shape platinum electrode 9, the 6th arch door shape platinum electrode 10, the 7th arch door shape platinum electrode 11.Each platinum electrode has corresponding pad
And conducting wire, such as the first arch door shape platinum electrode 5 connects platinum electrode pad 12, and then connects the first arch door shape platinum electrode wire 14.Such as
Shown in Fig. 3, seven platinum electrode wires are set with heat-shrink tube, and then by the hole slot 32 in support plate 31, connection is packed into anti-electricity
Seven electrode package protection sleeve pipes 15 of magnetic disturbance.Seven electrode package protection sleeve pipes 15 pass through the conductivity opened up in 13 in cylinder and lead
Line three-way hole 16 is connected to the control mainboard 28 in cabin 29.
It should be noted that seven arch door shape platinum electrodes are equally spaced in arch door shape conductance cell 4, adjacent platinum electrode
Between be spaced 1~3cm.First arch door shape platinum electrode 5, the 4th arch door shape platinum electrode 8, the 7th arch door shape platinum electrode 11 with a thickness of
4mm；Second arch door shape platinum electrode 6, third arch door shape platinum electrode 7, the 5th arch door shape platinum electrode 9, the 6th arch door shape platinum electrode 10
With a thickness of 2mm.Experiment proves that arch door shape platinum electrode and tested seawater have good chemical reactivity, in seawater fluid
Stronger electric field is set up in medium, is detected signal for control mainboard 28 and is provided stronger induced voltage.
As shown in Figure 1, temperature sensor selects high-performance thermistor, it is sealed by thermistor probe 20, thermistor
Fill shell 21, thermal resistor wire 22 forms.Thermistor shell 21 is mounted in the cylindrical hole opened up in cylinder 13, heat
Quick Resistance probe 20 passes through the through-hole opened up in support plate 31, is deep into inside the arch door shape conductance cell 4 of conductivity probe 3, heat
Quick resistance wire 22 is connected to the control mainboard 28 in cabin 29.
Pressure sensor is by pressure sensor package shell 18, pressure sensor probe 17 and 19 groups of pressure sensor conducting wire
At.Pressure sensor package shell 18 is mounted in the respective cylindrical through-hole of cylinder 13, and pressure sensor probe 17 passes through branch
The through-hole opened up on fagging 31 is extend into inside the arch door shape conductance cell 4 of conductivity probe 3, and pressure sensor conducting wire 19 connects
To the control mainboard 28 in cabin 29.
Herein it should be noted that thermistor probe 20 and pressure sensor probe 17 ensure to be mounted on arch door shape conductance
In the same level of 4 internal cross section of pond, and encapsulation process.When tested seawater is out-of-date in 4 inside stream of arch door shape conductance cell, temperature
Temperature, conductivity and the pressure data that salt depth sensor measures ensure that the consistency of time of measuring and position.According to salinity state
Border criterion calculation formula, the temperature that will acquire, conductivity and pressure data substitute into formula and calculate, it follows that Salinity Data.
As a kind of preferred embodiment of the invention, for the application environment for preferably adapting to deep earth sampling, the present embodiment
Agitating device led by direct current generator 25, electric motor motive sealing device 26, connecting rod 24 and propeller brush 23 and direct current generator
Line 27 forms, as shown in Figure 5.Direct current generator 25 is connected by electric motor motive sealing device 26, connecting rod 24 and propeller brush 23
It connects.The lower end of the agitating device is mounted in the respective cylindrical through-hole of conductivity cylinder 13, and propeller brush 24 is also pacified
Electric motor motive sealing device 26 is driven in 4 internal cross section of arch door shape conductance cell of conductivity probe 3, and by direct current generator 25
With connecting rod 24, and then drive propeller brush 23 work.Mainstream motor 25 is connected to by direct current generator conducting wire 27
29 control mainboard 28 in cabin.
It should be noted that the mobility that seawater is tested in arch door shape conductance cell 4 can be enhanced in propeller brush 24,
It excludes to be deposited in the silt and impurity inside arch door shape conductance cell 4 in deep-sea, and seven arch door shape platinum electrodes, thermistor is visited
First 20 and pressure sensor probe 17 have a cleaning action, and then improve the measurement accuracy of thermohaline depth data.
As a kind of preferred embodiment of the invention, 30 edge circumference of end cap equidistantly installs 4 protective stents 2.?
2 top of protective stent is equipped with the protection strainer 1 parallel with end cap 30.The installation site of protective stent 2 ensures that electricity cannot be stopped
Conductance probe 3 arch door shape conductance cell 4 front and back entrance, and with entrance Edge Distance interval 2cm or more.Protect strainer 1
Effect be may filter that biggish seawater impurity, and to the conductivity probe 3 of thermohaline depth sensor play anticollision and impact
Protective effect.
2 the present embodiment of embodiment is the control method of thermohaline depth sensor of the invention, specific steps and the following institute of process
It states：
（1）, before measurement data, the control mainboard 28 in thermohaline depth sensor cabin 29 drives direct current generator 25 to drive propeller type
Mixing Brush 24 works 10 seconds, waits 5 seconds；
（2）, control mainboard 28 start acquisition measurement temperature, conductivity and pressure data, and be converted into Salinity Data, when with measurement
Between, serial number is combined into data packet together, stores into control mainboard 28.The settable temperature of control mainboard 28, conductivity and pressure
Data collection interval, it is from 0.2 second to 1 minute that range, which is arranged, in interval time；
（3）, thermohaline depth sensor continuous work 30 minutes, then control mainboard 28 be again started up direct current generator 25 drive propeller type
Mixing Brush 24 works 10 seconds, and waits 5 seconds, carries out the thermohaline depth DATA REASONING work of next cycle.
It should be noted that above-mentioned 24 working time of propeller brush and waiting time are also that can be set.
Range is arranged from 1 second to 60 second in 24 working time of propeller brush, and range is arranged from 1 second to 10 second in the waiting time.Certainly,
According to different sea situations, control mainboard 28, which may be set to be, does not start direct current generator 25, to measure the thermohaline in seawater faster
Deep data.
The thermohaline depth sensor and control method of the present embodiment also can be widely applied to general marine monitoring and investigation
In research work, the basic hydrodynamic parameters such as accurate thermohaline depth are provided for deep-sea research.
Claims (10)
1. a kind of thermohaline depth sensor, including conductivity sensor, temperature sensor, pressure sensor and control mainboard, described
Temperature sensor, pressure sensor connect with conductivity sensor respectively；Temperature sensor, pressure sensor and the electricity
Conductivity sensor passes through conducting wire and connect with control mainboard, it is characterised in that：The conductivity sensor includes that conductivity is visited
Head, support plate and cylinder；The conductivity probe is fixed on support plate upper surface, and cylinder is fixed on the lower surface of support plate；
Conductivity wire through-hole is offered in the cylinder, and for mounting temperature sensor, the through-hole of pressure sensor.
2. thermohaline depth sensor according to claim 1, it is characterised in that：Conductivity probe include arch door shape conductance cell and
Its internal seven arch door shape platinum electrode being arranged, each platinum electrode are equipped with corresponding pad and conducting wire, and the conducting wire of seven electrodes is logical
It crosses the conductivity wire through-hole and is connected to control mainboard.
3. thermohaline depth sensor according to claim 2, it is characterised in that：Seven arch door shape platinum electrodes with 1~
The spacing of 3cm is set in qually spaced in inside arch door shape conductance cell.
4. thermohaline depth sensor according to claim 3, it is characterised in that：Seven arch door shape platinum electrodes, wherein
The thickness of the arch door shape platinum electrode of 1st, the 4th and the 7th is identical；The thickness of 2nd, the 3rd, the 5th, the 6th arch door shape platinum electrode is identical；
And the thickness of the 1st, the 4th and the 7th arch door shape platinum electrode is twice of the thickness of remaining 4 arch door shape platinum electrode.
5. thermohaline depth sensor according to claim 4, it is characterised in that：1st, the 4th and the 7th arch door shape platinum electrode
With a thickness of 2~6mm；2nd, the 3rd, the 5th, the 6th arch door shape platinum electrode with a thickness of 1~3mm.
6. thermohaline depth sensor according to claim 1, it is characterised in that：The probe of temperature sensor and pressure sensor
The through-hole opened up in support plate extend into the inside of arch door shape conductance cell, and is in arch door shape conductance cell internal cross section
In same level, sealing installation.
7. thermohaline depth sensor according to claim 1, it is characterised in that：Including agitating device, the agitating device
It is made of motor, connecting rod and Mixing Brush；Mixing Brush is connected to motor by connecting rod, and the Mixing Brush is mounted on arch door shape conductance
Inside pond, the motor is wired to control mainboard.
8. thermohaline depth sensor according to claim 1-7, it is characterised in that：In the thermohaline depth sensor
Outside be provided with end cap and cabin, end cap is located at the top of cabin；The control mainboard is mounted on inside cabin, conductivity
Sensor, temperature sensor, pressure sensor and agitating device are mounted on end cap top.
9. thermohaline depth sensor according to claim 7, it is characterised in that：The end cap edge circumference, it is equidistant to pacify
Equipped with several protective stents, the protection strainer parallel with the end cap is installed on the top of the protective stent；It is described anti-
The installation site of shield bracket should avoid the entrance of arch door shape conductance cell, and seawater cannot be stopped to enter the interior of arch door shape conductance cell
Portion, and with entrance Edge Distance interval 2cm or more.
10. including the following steps such as the control method of the described in any item thermohaline depth sensors of claim 1-7：（1）, measurement
Before data, the control mainboard starting agitating device in thermohaline depth sensor cabin works 1~60 second；
（2）, wait 1~10 second after, agitating device stops working, and control mainboard starts acquisition measurement temperature, conductivity and pressure
Force data, and it is converted into Salinity Data, it is combined into data packet together with time of measuring, serial number, stores into control mainboard；
（3）, thermohaline depth sensor continuous work 30 minutes or so, control mainboard be again started up agitating device work 1~60 second,
And after waiting 1~10 second, the thermohaline depth DATA REASONING work of next cycle is carried out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810984262.4A CN108917853B (en) | 2018-08-28 | Temperature and salt depth sensor and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810984262.4A CN108917853B (en) | 2018-08-28 | Temperature and salt depth sensor and control method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108917853A true CN108917853A (en) | 2018-11-30 |
| CN108917853B CN108917853B (en) | 2024-04-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110412080A (en) * | 2019-07-03 | 2019-11-05 | 山东省科学院海洋仪器仪表研究所 | A kind of thermohaline depth sensor and the control method for inhibiting heating stagnation curve |
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|---|---|---|---|---|
| CN110412080A (en) * | 2019-07-03 | 2019-11-05 | 山东省科学院海洋仪器仪表研究所 | A kind of thermohaline depth sensor and the control method for inhibiting heating stagnation curve |
| CN110412080B (en) * | 2019-07-03 | 2021-12-21 | 山东省科学院海洋仪器仪表研究所 | Temperature, salinity and depth sensor and control method for inhibiting thermal hysteresis effect |
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