CN211235635U - Integrated marine hydrology information probe - Google Patents
Integrated marine hydrology information probe Download PDFInfo
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- CN211235635U CN211235635U CN201922055505.9U CN201922055505U CN211235635U CN 211235635 U CN211235635 U CN 211235635U CN 201922055505 U CN201922055505 U CN 201922055505U CN 211235635 U CN211235635 U CN 211235635U
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Abstract
The utility model discloses an integral type ocean hydrology information probe, including casing, the probe body, insulation system, first conducting electrode, second conducting electrode, control chip and temperature-sensing ware. When the seawater salinity detector is used, seawater enters the detection chamber for detection, the control chip instructs the first conductive electrode and the second conductive electrode to monitor the conductivity of the seawater in the detection chamber, and then the control chip calculates the salinity parameter of the seawater through a built-in algorithm and a conductivity value; meanwhile, the part where the temperature sensor is arranged on the probe body extends into the detection cavity, the temperature of the seawater is conducted to the temperature sensor arranged in the accommodating cavity through the probe body, and then the temperature sensor transmits the measured temperature value to the control chip. Therefore, the marine hydrological information probe can measure the seawater salinity parameter and the seawater temperature parameter; has the characteristics of simple structure and convenient use.
Description
Technical Field
The utility model relates to an integral type ocean hydrology information probe.
Background
The salinity, temperature and the like of seawater are the most basic ocean information parameters which are desired to be acquired by ocean researchers, the probe measurement technology is a common technical means for acquiring the parameters, and the probe measurement technology is the most basic measurement technology for researching and applying ocean resources.
With the arrival of the ocean century, the probe measurement technology is more and more popular in all countries of the world, and has a large market in China and internationally. At present, the existing measuring probe only has the function of independently acquiring seawater salinity or seawater temperature, if seawater salinity parameters or seawater temperature parameters on the same position of a sea layer need to be acquired, one seawater salinity information acquisition probe and one seawater temperature information acquisition probe are often needed to be used at the same time, and inconvenience is often brought to a user.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an integral type ocean hydrology information probe solves one or more among the above-mentioned prior art problem.
According to one aspect of the utility model, an integrated marine hydrology information probe is provided, which comprises a shell, a probe body, an insulation structure, a first conductive electrode, a second conductive electrode, a control chip and a temperature sensor; the probe body is provided with an accommodating cavity, and the temperature sensor is arranged in the accommodating cavity; the shell is provided with a detection cavity which is communicated with the outside, the probe body is arranged on the shell through an insulating structure, and the part of the probe body where the temperature sensor is arranged extends into the detection cavity; the first conductive electrode is arranged on the inner wall of the detection chamber, and the shell is made of a conductive material; the second conductive electrode is arranged on the probe body and is positioned in the detection chamber, and the probe body is made of a conductive material; the temperature sensor is in electrical signal connection with the control chip, the first conductive electrode is in electrical signal connection with the control chip through the shell, and the second conductive electrode is in electrical signal connection with the control chip through the probe body.
When the integrated marine hydrological information probe is used, the integrated marine hydrological information probe is installed on a detection carrier, and a battery carried on the detection carrier supplies power to a control chip; then the detection carrier with the integrated marine hydrological information probe falls to a preset sea area layer, at the moment, as the detection chamber on the shell is communicated with the outside, seawater can enter the detection chamber for detection, the control chip instructs the first conducting electrode and the second conducting electrode to monitor the conductivity of the seawater in the detection chamber, and then the control chip calculates a seawater salinity parameter through a built-in algorithm by a conductivity value; in the process, as the first conducting electrode is arranged on the inner wall of the detection chamber, the second conducting electrode is arranged on the probe body, and the probe body is arranged on the shell through the insulating structure, the first conducting electrode and the second conducting electrode are arranged in an insulating way, so that the first conducting electrode and the second conducting electrode are in a working state only when being immersed in seawater; meanwhile, the part where the temperature sensor is arranged on the probe body extends into the detection cavity, the temperature of the seawater is conducted to the temperature sensor arranged in the accommodating cavity through the probe body, and then the temperature sensor transmits the measured temperature value to the control chip. Therefore, the marine hydrological information probe can measure the seawater salinity parameter and the seawater temperature parameter; has the characteristics of simple structure and convenient use.
In some embodiments: the probe body is provided with a probe body, and is characterized by also comprising a resistance strain column, wherein the resistance strain column is embedded in the accommodating cavity of the probe body and is abutted against the inner wall of the accommodating cavity; the resistance strain column is in electric signal connection with the control chip.
Therefore, when the probe body is immersed in seawater, the pressure of the seawater can extrude the probe body, and accordingly the resistance strain column is abutted to the inner wall of the accommodating cavity and correspondingly extruded to generate strain deformation, the strain deformation can correspondingly cause the resistance value of the resistance strain column to change, and then the control chip calculates the pressure value of the seawater through the resistance value through a built-in algorithm.
In some embodiments, the insulating structure comprises a first insulating sleeve and a second insulating sleeve; the tail end of the probe body is provided with a flange plate, the probe body penetrates through the second insulating sleeve, the probe body is in close fit with the second insulating sleeve, and the flange plate is abutted against the second insulating sleeve; be equipped with the mounting hole on the casing, first insulating cover, ring flange and second insulating cover set gradually in the mounting hole, and the airtight nested cooperation of first insulating cover and second insulating cover and mounting hole, form airtight space between first insulating cover and the second insulating cover, the ring flange is fixed in airtight space by the centre gripping, and the ring flange does not contact with the casing.
Therefore, the flange plate is arranged at the tail end of the probe body and is clamped by the first insulating sleeve and the second insulating sleeve, and the first insulating sleeve, the flange plate and the second insulating sleeve are sequentially arranged in the mounting hole of the shell, so that the probe body and the shell are insulated and separated; meanwhile, the first insulating sleeve, the second insulating sleeve and the mounting hole are in sealed nested fit, a sealed space is formed between the first insulating sleeve and the second insulating sleeve, the flange plate is clamped and fixed in the sealed space, and the probe body and the second insulating sleeve are in sealed fit, so that seawater cannot be immersed in the sealed space, and the probe body and the shell are always in an insulating state.
In some embodiments, the battery module further comprises a chip compartment, a battery compartment and a terminal tray; the shell is hermetically arranged at the first end of the chip cabin body, and the control chip is arranged inside the chip cabin body; the terminal disc is arranged on the second end of the chip cabin body, a positive power supply terminal and a signal transmission terminal are arranged on the terminal disc, and the positive power supply terminal is electrically connected with the control chip; the signal transmission terminal is in electrical signal connection with the control chip; the one end of the battery cabin body is provided with the opening, and the terminal dish embolias in the opening, and the battery cabin body and the chip cabin body detachably be airtight connection, is equipped with the negative pole power supply terminal supporting with positive pole power supply terminal in the battery cabin body, and the battery cabin body and the chip cabin body are the electric conductor, and negative pole power supply terminal is connected with the battery cabin body electricity is electrically conducted, and negative pole power supply terminal passes through the battery cabin body and the chip cabin body is connected with the control chip electricity.
Therefore, when the electric control device is used, the battery is arranged in the battery cabin body, the positive pole of the battery is abutted with the positive pole power supply terminal, the negative pole of the battery is abutted with the negative pole power supply terminal, then the battery cabin body and the chip cabin body are both electric conductors, the negative pole power supply terminal is electrically connected with the battery cabin body, and the negative pole power supply terminal is electrically connected with the control chip through the battery cabin body and the chip cabin body, so that the battery supplies power for the control chip; when a user needs to export data after the marine hydrological information probe finishes a measurement task, the chip cabin body and the battery cabin body can be detached, then a data transmission line is inserted into a signal transmission terminal on the terminal plate, and finally the data is exported; has the characteristics of simple structure and convenient use.
In some embodiments, the detection chamber is provided as a straight cylinder having an annular shape, and the free end of the straight cylinder is provided as an opening.
Therefore, seawater can be poured into the straight cylinder through the open free end for detection; meanwhile, the straight cylinder can also protect the probe body from being damaged by impact.
In some embodiments: the side wall of the straight cylinder is also provided with a plurality of through holes.
Like this, the sea water can also enter into through the perforating hole and detect in the chamber, and the perforating hole makes the mobility of sea water better in addition, and it is more accurate to detect data.
In some embodiments: the negative power supply terminal comprises a fixing frame, a negative contact column and a spring; the negative contact post is slipped in fixed frame, and the spring setting is between negative contact post and fixed frame.
In some embodiments: the positive power supply terminal is arranged on the central part of the terminal plate, and the signal transmission terminal is arranged around the positive power supply terminal.
In some embodiments: the inner wall of the opening part is provided with internal threads, and correspondingly, the periphery of the second end of the chip cabin body is provided with external threads; still include the sealing ring, seted up annular seal groove on the periphery of the second end of the chip cabin body, the sealing ring embolias in the seal groove, and the inner wall of seal groove and opening all pastes with the sealing ring is airtight.
Like this, the chip cabin body and the battery cabin body can come the spiro union together through internal thread and external screw thread, and simultaneously, the second end of the chip cabin body (that one end at terminal dish place promptly) embolias at the battery cabin body from the opening, because the sealing ring embolias in the seal groove, the seal groove all offsets with the sealing ring is airtight with the inner wall of opening and pastes, avoids the sea water to enter into the chip cabin body and battery cabin internally for the battery cabin body has realized detachably sealing connection with the chip cabin body.
In some embodiments: the battery cabin also comprises a hanging rope mounting hole which is arranged at the free end of the battery cabin body.
Therefore, the probe can be bound on the hanging rope mounting hole by using the rope, so that the probe is mounted on the detection carrier.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic half-section view of FIG. 1;
FIG. 3 is a schematic structural view of the integrated marine hydrological information probe shown in FIG. 1 after being mounted on a chip cabin;
FIG. 4 is a cross-sectional view of the chip compartment and the battery compartment connected together;
fig. 5 is a perspective view of the chip compartment and the battery compartment connected together in cross-section.
Reference numerals:
1-shell, 11-probe body, 12-first conductive electrode, 13-second conductive electrode, 2-temperature sensor, 14-containing cavity, 15-detection chamber, 151-through hole, 3-insulation structure, 31-first insulation sleeve, 32-second insulation sleeve, 321-flange plate, 4-resistance strain column, 5-chip cabin body, 51-terminal plate, 511-positive power supply terminal, 512-signal transmission terminal, 6-battery cabin body, 61-negative power supply terminal, 611-fixing frame, 612-negative contact column, 613-spring, 62-opening part, 64-sealing groove and 65-hanging rope mounting hole
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 to 2 schematically show the structure of an integrated marine hydrology information probe according to an embodiment of the present invention.
As shown in fig. 1 to 2, the integrated marine hydrology information probe includes a housing 1, a probe body 11, an insulating structure 3, a first conductive electrode 12, a second conductive electrode 13, a control chip and a temperature sensor 2; wherein, the probe body 11 is provided with an accommodating cavity 14, and the temperature sensor 2 is arranged in the accommodating cavity 14; a detection cavity 15 is formed in the shell 1, the detection cavity 15 is communicated with the outside, the probe body 11 is arranged on the shell 1 through the insulation structure 3, and the part of the probe body 11 where the temperature sensor 2 is located extends into the detection cavity 15; the first conductive electrode 12 is arranged on the inner wall of the detection chamber 15, and the shell 1 is made of a conductive material; the second conductive electrode 13 is arranged on the probe body 11, the second conductive electrode 13 is positioned in the detection chamber 15, and the probe body 11 is made of a conductive material; the temperature sensor 2 is in electrical signal connection with the control chip, the first conductive electrode 12 is in electrical signal connection with the control chip through the shell 1, and the second conductive electrode 13 is in electrical signal connection with the control chip through the probe body 11. In detail, since the probe body 11 is made of a conductive material, the second conductive electrode 13 is located at a position of the probe body 11 opposite to the first conductive electrode 12; the probe body 11 is electrically connected with the control chip through an electric wire.
When the integrated marine hydrological information probe is used, the integrated marine hydrological information probe is installed on a detection carrier, and a battery carried on the detection carrier supplies power to a control chip; then the detection carrier with the integrated marine hydrological information probe falls to a preset sea area layer, at the moment, as the detection chamber 15 on the shell 1 is communicated with the outside, seawater enters the detection chamber 15 for detection, the control chip instructs the first conductive electrode 12 and the second conductive electrode 13 to monitor the conductivity of the seawater in the detection chamber 15, and then the control chip calculates the salinity parameter of the seawater through a built-in algorithm by the conductivity value; in this process, since the first conductive electrode 12 is disposed on the inner wall of the detection chamber 15, the second conductive electrode 13 is disposed on the probe body 11, and the probe body 11 is disposed on the housing 1 through the insulating structure 3, the first conductive electrode 12 and the second conductive electrode 13 are disposed in an insulating manner, so that the first conductive electrode 12 and the second conductive electrode 13 are in an operating state only when they are immersed in seawater; meanwhile, as the part of the probe body 11 where the temperature sensor 2 is located extends into the detection chamber 15, the temperature of the seawater is conducted to the temperature sensor 2 arranged in the accommodating cavity 14 through the probe body 11, and then the temperature sensor 2 transmits the measured temperature value to the control chip. Therefore, the marine hydrological information probe can measure the seawater salinity parameter and the seawater temperature parameter; has the characteristics of simple structure and convenient use.
In this embodiment, the probe further includes a resistance strain column 4, the resistance strain column 4 is embedded in the accommodating cavity 14 of the probe body 11, and the resistance strain column 4 abuts against the inner wall of the accommodating cavity 14; the resistance strain column 4 is in electric signal connection with the control chip.
Therefore, when the probe body 11 is immersed in seawater, the pressure of the seawater can press the probe body 11, and accordingly, as the resistance strain column 4 is abutted against the inner wall of the accommodating cavity 14, the resistance strain column 4 can be pressed to generate strain deformation, the strain deformation can correspondingly cause the resistance value of the resistance strain column 4 to change, and then the control chip calculates the pressure value of the seawater through the resistance value through a built-in algorithm.
In the present embodiment, the insulating structure 3 comprises a first insulating sleeve 31 and a second insulating sleeve 32; the tail end of the probe body 11 is provided with a flange 321, the probe body 11 passes through the second insulating sleeve 32, the probe body 11 is hermetically matched with the second insulating sleeve 32, and the flange 321 is abutted with the second insulating sleeve 32; be equipped with the mounting hole on the casing 1, first insulating cover 31, ring flange 321 and second insulating cover 32 set gradually in the mounting hole, and the airtight nested cooperation of first insulating cover 31 and second insulating cover 32 and mounting hole, form airtight space between first insulating cover 31 and the second insulating cover 32, and ring flange 321 is fixed in airtight space by the centre gripping, and ring flange 321 does not contact with casing 1.
Thus, as the flange 321 is arranged at the tail end of the probe body 11, the flange 321 is clamped by the first insulating sleeve 31 and the second insulating sleeve 32, and the first insulating sleeve 31, the flange 321 and the second insulating sleeve 32 are sequentially arranged in the mounting hole of the shell 1, the probe body 11 and the shell 1 are insulated and separated; meanwhile, the first insulating sleeve 31, the second insulating sleeve 32 and the mounting hole are in sealed nested fit, a sealed space is formed between the first insulating sleeve 31 and the second insulating sleeve 32, the flange plate 321 is clamped and fixed in the sealed space, and the probe body 11 and the second insulating sleeve 32 are in sealed fit, so that seawater cannot be immersed in the sealed space, and the probe body 11 and the shell 1 are always kept in an insulating state.
As shown in fig. 3, 4 and 5, in the present embodiment, the battery pack further includes a chip compartment 5, a battery compartment 6 and a terminal board 51; wherein, the shell 1 is hermetically arranged on the first end of the chip cabin 5, and the control chip is arranged inside the chip cabin 5; the terminal disc 51 is arranged on the second end of the chip cabin 5, the terminal disc 51 is provided with a positive power supply terminal 511 and a signal transmission terminal 512, and the positive power supply terminal 511 is electrically connected with the control chip; the signal transmission terminal 512 is in electrical signal connection with the control chip; an opening part 62 is arranged at one end of the battery cabin body 6, the terminal disc 51 is sleeved in the opening part 62, the battery cabin body 6 is detachably and hermetically connected with the chip cabin body 5, a negative power supply terminal 61 matched with the positive power supply terminal 511 is arranged in the battery cabin body 6, the battery cabin body 6 and the chip cabin body 5 are both electric conductors, the negative power supply terminal 61 is electrically connected with the battery cabin body 6, and the negative power supply terminal 61 is electrically connected with the control chip through the battery cabin body 6 and the chip cabin body 5.
Thus, when in use, the battery is arranged in the battery cabin body 6, the positive pole of the battery is abutted with the positive pole power supply terminal 511, the negative pole of the battery is abutted with the negative pole power supply terminal 61, then the battery cabin body 6 and the chip cabin body 5 are both electric conductors, the negative pole power supply terminal 61 is electrically connected with the battery cabin body 6, and the negative pole power supply terminal 61 is electrically connected with the control chip through the battery cabin body 6 and the chip cabin body 5, so that the power supply of the battery to the control chip is realized; when the marine hydrological information probe finishes a measurement task and a user needs to lead out data, the chip cabin body 5 and the battery cabin body 6 can be detached, then a data transmission line is inserted into a signal transmission terminal 512 on the terminal disc 51, and finally the data is led out; has the characteristics of simple structure and convenient use.
In this embodiment, the detection chamber 15 is provided as an annular straight cylinder, and the free end of the straight cylinder is provided in an open shape. Thus, seawater can be poured into the straight cylinder through the open free end for detection.
In this embodiment: the side wall of the straight cylinder is also provided with a plurality of through holes 151.
Thus, seawater can also enter the detection chamber 15 through the through-hole 151.
In this embodiment: the negative power supply terminal 61 includes a fixing frame 611, a negative contact post 612, and a spring 613; the negative contact post 612 is slid inside the fixed frame 611 and the spring 613 is disposed between the negative contact post 612 and the fixed frame 611.
After the battery is mounted in the battery compartment 6, the negative electrode of the battery presses against the negative contact post 612, the negative contact post 612 slides in the fixing frame 611 in a displacement manner, the spring 613 is elastically compressed, and the negative contact post 612 is always urged against the negative electrode of the battery under the support of the spring 613.
In this embodiment: the positive power supply terminal 511 is provided at the center of the terminal plate 51, and the signal transmission terminal 512 is provided around the positive power supply terminal 511.
In this embodiment: an internal thread is arranged on the inner wall of the opening part 62, and correspondingly, an external thread is arranged on the periphery of the second end of the chip cabin body 5; still include the sealing ring, seted up annular seal groove 64 on the periphery of the second end of the chip cabin body 5, the sealing ring embolias in seal groove 64, and seal groove 64 and opening 62's inner wall all pastes with the sealing ring is airtight.
Like this, the chip cabin body 5 and the battery cabin body 6 can realize detachably connected through the cooperation of internal thread and external screw thread, and simultaneously, the second end (that one end that terminal dish 51 place promptly) of the chip cabin body 5 embolias in the battery cabin body 6 from opening 62, because the sealing ring embolias in sealing groove 64, the inner wall of sealing groove 64 and opening 62 all offsets with the sealing ring is airtight, avoid the sea water to enter into the chip cabin body 5 and the battery cabin body 6 in, make the battery cabin body 6 realize detachably sealing connection with the chip cabin body 5.
In this embodiment: the battery cabin further comprises a hanging rope mounting hole 65, and the hanging rope mounting hole 65 is formed in the free end of the battery cabin body 6. This allows the probe to be mounted on a probe carrier by being tied to the tether mounting hole 65 using a tether.
What has been described above is only one embodiment of the present invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.
Claims (10)
1. Integral type ocean hydrology information probe, its characterized in that: the probe comprises a shell, a probe body, an insulating structure, a first conducting electrode, a second conducting electrode, a control chip and a temperature sensor;
the probe body is provided with an accommodating cavity, and the temperature sensor is arranged in the accommodating cavity;
the shell is provided with a detection cavity which is communicated with the outside, the probe body is arranged on the shell through the insulation structure, and the part of the probe body where the temperature sensor is arranged extends into the detection cavity;
the first conductive electrode is arranged on the inner wall of the detection chamber, and the shell is made of a conductive material;
the second conductive electrode is arranged on the probe body and is positioned in the detection chamber, and the probe body is made of a conductive material;
the temperature sensor is in electrical signal connection with the control chip, the first conductive electrode is in electrical signal connection with the control chip through the shell, and the second conductive electrode is in electrical signal connection with the control chip through the probe body.
2. The integrated marine hydrological information probe of claim 1, wherein: the probe body is provided with a containing cavity, and the probe body is provided with a probe body;
the resistance strain column is in electrical signal connection with the control chip.
3. The integrated marine hydrological information probe of claim 1, wherein: the insulation structure comprises a first insulation sleeve and a second insulation sleeve;
the tail end of the probe body is provided with a flange plate, the probe body penetrates through the second insulating sleeve, the probe body is in close fit with the second insulating sleeve, and the flange plate is abutted against the second insulating sleeve;
the casing is provided with a mounting hole, the first insulating sleeve and the second insulating sleeve are sequentially arranged in the mounting hole, the first insulating sleeve, the second insulating sleeve and the mounting hole are in sealed nested fit, a sealed space is formed between the first insulating sleeve and the second insulating sleeve, the flange plate is clamped and fixed in the sealed space, and the flange plate is not in contact with the casing.
4. The integrated marine hydrological information probe of claim 1, wherein: the battery also comprises a chip cabin body, a battery cabin body and a terminal plate;
the shell is hermetically arranged on the first end of the chip cabin body, and the control chip is arranged inside the chip cabin body;
the terminal disc is arranged at the second end of the chip cabin body, a positive power supply terminal and a signal transmission terminal are arranged on the terminal disc, and the positive power supply terminal is electrically connected with the control chip; the signal transmission terminal is in electrical signal connection with the control chip;
the battery compartment body is provided with an opening at one end, the terminal plate is sleeved in the opening, the battery compartment body is detachably and hermetically connected with the chip compartment body, a negative power supply terminal matched with the positive power supply terminal is arranged in the battery compartment body, the battery compartment body and the chip compartment body are electric conductors, the negative power supply terminal is electrically connected with the battery compartment body, and the negative power supply terminal is electrically connected with the control chip through the battery compartment body and the chip compartment body.
5. The integrated marine hydrological information probe of claim 1, wherein: the detection chamber is arranged into an annular straight cylinder, and the free end of the straight cylinder is arranged into an opening shape.
6. The integrated marine hydrological information probe of claim 5, wherein: the side wall of the straight cylinder is also provided with a plurality of through holes.
7. The integrated marine hydrological information probe of claim 4, wherein: the negative power supply terminal comprises a fixing frame, a negative contact column and a spring;
the negative contact post is in the fixed frame in a sliding manner, and the spring is arranged between the negative contact post and the fixed frame.
8. The integrated marine hydrological information probe of claim 4, wherein: the positive power supply terminal is arranged on the central part of the terminal plate, and the signal transmission terminal is arranged around the positive power supply terminal.
9. The integrated marine hydrological information probe of claim 4, wherein: the inner wall of the opening part is provided with internal threads, and correspondingly, the periphery of the second end of the chip cabin body is provided with external threads;
the chip cabin is characterized by further comprising a sealing ring, an annular sealing groove is formed in the periphery of the second end of the chip cabin body, the sealing ring is sleeved in the sealing groove, and the sealing groove and the inner wall of the opening portion are hermetically abutted to the sealing ring.
10. The integrated marine hydrological information probe of claim 4, wherein: the battery cabin body is characterized by further comprising a hanging rope mounting hole, and the hanging rope mounting hole is formed in the free end of the battery cabin body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922055505.9U CN211235635U (en) | 2019-11-22 | 2019-11-22 | Integrated marine hydrology information probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922055505.9U CN211235635U (en) | 2019-11-22 | 2019-11-22 | Integrated marine hydrology information probe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211235635U true CN211235635U (en) | 2020-08-11 |
Family
ID=71924705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922055505.9U Active CN211235635U (en) | 2019-11-22 | 2019-11-22 | Integrated marine hydrology information probe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211235635U (en) |
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2019
- 2019-11-22 CN CN201922055505.9U patent/CN211235635U/en active Active
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