CN217084911U - Underwater in-situ radon and carbon dioxide measuring instrument - Google Patents
Underwater in-situ radon and carbon dioxide measuring instrument Download PDFInfo
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- CN217084911U CN217084911U CN202123134378.5U CN202123134378U CN217084911U CN 217084911 U CN217084911 U CN 217084911U CN 202123134378 U CN202123134378 U CN 202123134378U CN 217084911 U CN217084911 U CN 217084911U
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Abstract
The utility model discloses an underwater normal position radon and carbon dioxide measuring instrument, including the cabin body and the measuring subassembly of setting on the cabin body, the measuring subassembly includes gas-liquid separation portion, gas measurement portion and control part, gas-liquid separation portion is including setting up the osmotic membrane at the front end of the cabin body, gas measurement portion includes sensor mounting and radon probe and the carbon dioxide sensor of setting on sensor mounting, form sealed air chamber between sensor mounting and the osmotic membrane, and radon probe and carbon dioxide sensor all are located sealed air chamber, the control part is including setting up the control circuit in the cabin body; the utility model discloses in not only can measure the concentration of 100 meters in depth of water with shallow dissolved radon and carbon dioxide simultaneously, can be according to the experimental environment of difference moreover, pump head lid is dismantled in a flexible way in the installation. In addition, the gas circuit and the circuit in the measuring instrument are mutually separated, so that the gas-liquid separation efficiency can be improved, and the gas concentration detection process can be prevented from being influenced by the external environment, the circuit and the vibration of the gas pump.
Description
Technical Field
The utility model relates to a field seawater measurement technical field to more specifically, relate to an normal position radon and carbon dioxide measuring apparatu under water for measure the water depth 100 meters with shallow concentration of dissolving radon and carbon dioxide, but exclusive use also can carry various delivery platform under water and use.
Background
Radon in the ocean is a radioactive gas with biological inertness, is a classical nuclide for researching ocean processes such as ocean gas exchange and the like, has a good indication effect on phenomena such as seabed groundwater discharge, ocean upwelling, medium-scale vortex and the like, and has become a research hotspot of international plans such as GEOTRACES and the like.
Carbon dioxide in the ocean is a crucial link of the global carbon cycle, which dominates the exchange and flow of carbon between the air space, water space, biosphere and rocky space. The research on the circulation mechanism of carbon dioxide in the ocean and the like becomes important contents in the advanced field of international ocean science research at present, and has important significance for realizing national important strategic decisions such as carbon peak reaching and carbon neutralization.
The radon isotope with biological inertness is combined with biogenic active gas carbon dioxide, which is beneficial to evaluating the carbon flux transmitted to the upper layer of the ocean in the physical processes of seawater underground water discharge, ocean upwelling and the like which occur in the bottom boundary layer, and has an important role in deeply knowing the ocean carbon circulation process.
At present, the radon in the sea is measured by adopting a more traditional method, one is measurement carried out on a ship or taken back to a laboratory after sampling, and the other is measurement by sailing. However, radon has a half-life of only 3.83 days, needs to be tested as soon as possible in a very short time, and requires enrichment of large volumes of water due to the low concentration. The traditional sampling measurement method is difficult to meet, and even if a large amount of manpower, time and money are invested, data with high space-time resolution cannot be obtained. In contrast, higher space-time resolution can be obtained in the navigation measurement, but only dissolved gas on the surface layer of seawater can be measured, and certain limitation is realized.
The membrane degassing technology is an important gas-liquid separation means, is widely applied to the ocean in-situ test research of carbon dioxide, methane and other gas substances, but has not been reported to be used for radon measurement. The synchronous joint measurement of radon, carbon dioxide and other gases removed from the degassing membrane is carried out by using the corresponding high-sensitivity sensors, which is helpful for obtaining underwater in-situ data with high space-time resolution.
Therefore, a membrane in-situ synchronous measurement device for dissolved gases such as radon and carbon dioxide in the ocean is needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art's defect and not enough, provide an normal position radon and carbon dioxide measuring apparatu under water, can realize dissolving the normal position measurement of radon and carbon dioxide concentration, have simple structure, many environment rapid survey, response speed are fast, small, advantage such as with low costs.
In order to achieve the above object, the utility model provides a following scheme: the utility model provides an underwater normal position radon and carbon dioxide measuring apparatu, be in including the cabin body and setting measuring unit on the cabin body, measuring unit is including distributing in proper order gas-liquid separation portion, gas measurement portion and the control part on the cabin body, gas-liquid separation portion is including setting up the osmotic membrane of the front end of the cabin body, gas measurement portion includes the sensor mounting and sets up radon probe and carbon dioxide sensor on the sensor mounting, the sensor mounting with form sealed air chamber between the osmotic membrane, just the radon probe with the carbon dioxide sensor all is located in the sealed air chamber, the control part is including setting up control circuit in the cabin body, control circuit respectively with the radon probe with the carbon dioxide sensor electric connection.
Preferably, a temperature and humidity pressure sensor is further arranged on the sensor fixing piece and located in the sealed air chamber.
Preferably, the radon probe, the carbon dioxide sensor and the temperature and humidity pressure sensor are arranged in a staggered manner.
Preferably, the sensor fixing piece is provided with a power supply line which penetrates through the wiring hole, and the gap of the hole is sealed by pouring glue.
Preferably, a front end cover and a rear end cover are respectively arranged at the head side and the tail side of the cabin body, a groove is formed in the front end cover, and the permeable membrane is fixed in the groove through a screw; the control portion is located between the sensor mount and the rear end cap.
Preferably, the cabin body is provided with a pump head cover, the pump head cover is provided with a water inlet and a water outlet, and the water outlet is connected with the water pump through a water pipe.
Preferably, the water inlets and the water outlets are distributed at intervals.
Preferably, the control part further comprises an air pump communicated with the sealed air chamber, the air pump is mounted on one side of an air pump fixing plate, and the air pump fixing plate is mounted on the sensor fixing part through screws; the control circuit is arranged on the other side of the air pump fixing plate; the sensor fixing piece is provided with a vent hole, and the air suction pump is connected with the vent hole in a sealing mode through an air pipe.
The utility model discloses following beneficial effect has been gained for prior art:
1. this normal position radon and carbon dioxide measuring apparatu under water not only can measure the concentration of the dissolved radon of 100 meters in depth with shallow and carbon dioxide simultaneously, can be according to the experimental environment of difference moreover, and the pump head lid is dismantled in the nimble installation. In addition, the gas circuit and the circuit in the measuring instrument are mutually separated, so that the gas-liquid separation efficiency can be improved, and the gas concentration detection process can be prevented from being influenced by the external environment, the circuit and the vibration of the gas pump.
2. The instrument is used for simultaneously measuring the concentration of dissolved radon and carbon dioxide with the depth of 100 meters or less, can be used independently, and can also be carried on various underwater carrying platforms for use.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
FIG. 1 is a schematic view of the overall structure of an underwater in-situ radon and carbon dioxide measuring instrument of the present invention;
wherein, 1 pump head cover; 2, a front end cover; 3 a permeable membrane; 4 a cabin body; 5 radon probe; 6 a carbon dioxide sensor; 7 temperature and humidity pressure sensor; 8, a sensor fixing part; 9 an air pump; 10 a control circuit; 11 a water pump; 12 an air pump fixing plate; 13 rear end cap.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the following detailed description.
As shown in fig. 1, the utility model provides an normal position radon and carbon dioxide measuring apparatu under water, including the cabin body 4 and set up the measuring subassembly on the cabin body 4, measuring subassembly is including the gas-liquid separation portion that distributes in proper order on the cabin body 4, gas measurement portion and control part, gas-liquid separation portion is including setting up the osmotic membrane 3 at the front end of the cabin body 4, gas measurement portion includes sensor mounting 8 and sets up radon probe 5 and carbon dioxide sensor 6 on sensor mounting 8, form sealed air chamber between sensor mounting 8 and the osmotic membrane 3, and radon probe 5 and carbon dioxide sensor 6 all are located sealed air chamber, control part is including setting up the control circuit 10 in the cabin body 4, control circuit 10 respectively with radon probe 5 and carbon dioxide sensor 6 electric connection. The control circuit 10 has the functions of power conversion, synchronous clock, data acquisition and storage, etc., wherein the wires related to power supply and communication are left with enough length for subsequent wiring; the utility model can not only simultaneously measure the concentration of dissolved radon and carbon dioxide with shallow depth of 100 m, but also separate the sealed air chamber and the circuit, thereby ensuring that the gas concentration detection process is not influenced by the external environment, the circuit and the vibration of the air pump; the utility model discloses well measuring apparatu volume only has phi 110mm 285mm, but the exclusive use also can carry various underwater carrying platforms and use.
As a specific implementation mode, in order to correct the measured values of two gases passing through the radon probe 5 and the carbon dioxide sensor 6, so as to obtain more accurate results, the utility model discloses the last warm and humid pressure sensor 7 that still is provided with of well sensor mounting 8, warm and humid pressure sensor 7 is located the sealed air chamber.
As a specific implementation mode, in order to facilitate the monitoring, avoid the sensor to influence each other, the utility model discloses well radon probe 5, carbon dioxide sensor 6 and temperature and humidity pressure sensor 7 staggered arrangement.
As a specific implementation mode, in order to guarantee the leakproofness, the utility model discloses well sensor mounting 8 has seted up the power supply line and has passed the wiring hole, and seals at the crack department encapsulating.
As a specific implementation mode, the front end cover 2 and the rear end cover 13 are respectively arranged at the head and the tail of the cabin body 4, the front end cover 2 is provided with a groove, and the permeable membrane 3 is fixed in the groove through screws and sealed; the control portion is located between the sensor mount 8 and the rear end cap 13. Wherein, the rear end cover 13 is arranged on the cabin body 4 through a sealing ring and screws;
as a specific implementation mode, the utility model discloses be provided with pump head lid 1 on the well cabin body 4, pump head lid 1 is provided with water inlet and delivery port, and the delivery port of pump head lid 1 leads to pipe to be connected with water pump 11. The water pump 11 is connected to the pump head cover 1 through a water pipe, the pump head cover 1 is fixed on the front end cover 2 through screws, the gas-liquid separation efficiency can be accelerated by starting the water pump 11, and the response time of the instrument is further shortened; pump head lid 1 passes through the screw and the sealing washer is fixed on front end housing 2, can select the installation or dismantle pump head lid 1 according to different experimental environment, and does not influence the measurement of the concentration of dissolving radon and carbon dioxide in the water.
As a specific implementation mode, in order to guarantee the smoothness of the inlet and outlet water, the utility model discloses well water inlet and delivery port alternate distribution.
As a specific implementation mode, the control part of the utility model further comprises an air pump 9 communicated with the sealed air chamber, the air pump 9 is installed at one side of the air pump fixing plate 12, and the air pump fixing plate 12 is installed on the sensor fixing part 8 through screws; the control circuit 10 is arranged at the other side of the air pump fixing plate 12; the sensor fixing part 8 is provided with a vent hole, and the air pump 9 is hermetically connected with the vent hole through an air pipe. Wherein, the starting of the air pump 9 can accelerate the flow of the gas in the air chamber, and further improve the response speed of the instrument.
To sum up, the utility model discloses in the cabin body 4, constitute a sealed air chamber through sensor mounting 8 and sealing washer to with radon probe 5, carbon dioxide sensor 6, warm and humid pressure sensor 7 fixed wherein, radon probe 5, carbon dioxide sensor 6 are used for measuring radon and carbon dioxide gas concentration behind the gas-liquid separation, and the data that warm and humid pressure sensor 7 measured are used for rectifying the measured value of two kinds of gases, in order to obtain more accurate result.
The air pump is connected to the sealed air chamber through the air pipe and connected into a loop, and the flow of air in the sealed air chamber can be accelerated by starting the air pump, so that the response speed of the instrument is further improved; and a circuit part is arranged on the other side of the air pump fixing plate 12 and used for power supply conversion, synchronous clock, data acquisition, storage and other functions. Through the connection mode, the air chamber and the circuit can be separated from each other, and meanwhile, the influence of the vibration of the air pump on the sensor can be weakened.
Pump head lid 1 passes through the screw and the sealing washer is fixed on front end housing 2, can select the installation or dismantle pump head lid 1 according to different experimental environment, and the experimental result does not receive pump head lid 1 to influence.
The utility model discloses a specific example is applied to explain the principle and the implementation mode of the utility model, and the explanation of the above example is only used to help understand the multifunctional wheelchair and the core idea thereof; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (8)
1. The utility model provides an underwater normal position radon and carbon dioxide measuring apparatu, its characterized in that is in including the cabin body and setting measurement element on the cabin body, measurement element is including distributing in proper order gas-liquid separation portion, gas measurement portion and control part on the cabin body, gas-liquid separation portion is including setting up the osmotic membrane of the front end of the cabin body, gas measurement portion includes the sensor mounting and sets up radon probe and carbon dioxide sensor on the sensor mounting, the sensor mounting with form sealed air chamber between the osmotic membrane, just the radon probe with the carbon dioxide sensor all is located in the sealed air chamber, the control part is including setting up internal control circuit in cabin, control circuit respectively with the radon probe with the carbon dioxide sensor electric connection.
2. The underwater in-situ radon and carbon dioxide measuring instrument as claimed in claim 1, wherein a temperature and humidity pressure sensor is further disposed on the sensor fixing member, and the temperature and humidity pressure sensor is located in the sealed air chamber.
3. The underwater in-situ radon and carbon dioxide measuring instrument as claimed in claim 2, wherein said radon probe, said carbon dioxide sensor and said thermo-pneumatic sensor are staggered.
4. The underwater in-situ radon and carbon dioxide measuring instrument as claimed in claim 3, wherein said sensor fixing member is provided with a power supply line passing through the wiring hole and being sealed by pouring glue at the hole gap.
5. The underwater in-situ radon and carbon dioxide measuring instrument as claimed in claim 1, wherein a front end cover and a rear end cover are respectively arranged at the head and the tail of the chamber body, a groove is formed on the front end cover, and the permeable membrane is fixed in the groove by a screw; the control portion is located between the sensor mount and the rear end cap.
6. The underwater in-situ radon and carbon dioxide measuring instrument as claimed in claim 5, wherein the chamber is provided with a pump head cover, the pump head cover is provided with a water inlet and a water outlet, and the water outlet is connected with a water pump through a water pipe.
7. The underwater in-situ radon and carbon dioxide measuring instrument as claimed in claim 6, wherein said water inlet and said water outlet are spaced apart.
8. The underwater in-situ radon and carbon dioxide measuring instrument as claimed in any one of claims 1 to 7, wherein said control part further comprises a suction pump communicating with said sealed air chamber, said suction pump being installed on one side of an air pump fixing plate, said air pump fixing plate being installed on said sensor fixing member by means of screws; the control circuit is arranged on the other side of the air pump fixing plate; the sensor fixing piece is provided with a vent hole, and the air suction pump is connected with the vent hole in a sealing mode through an air pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123134378.5U CN217084911U (en) | 2021-12-14 | 2021-12-14 | Underwater in-situ radon and carbon dioxide measuring instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123134378.5U CN217084911U (en) | 2021-12-14 | 2021-12-14 | Underwater in-situ radon and carbon dioxide measuring instrument |
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| CN217084911U true CN217084911U (en) | 2022-07-29 |
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| CN202123134378.5U Active CN217084911U (en) | 2021-12-14 | 2021-12-14 | Underwater in-situ radon and carbon dioxide measuring instrument |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115453604A (en) * | 2022-11-14 | 2022-12-09 | 中国海洋大学 | In-situ measurement device and measurement method for radon concentration in whole sea depth |
| CN116559384A (en) * | 2023-07-10 | 2023-08-08 | 华能澜沧江水电股份有限公司 | Reservoir ambient gas monitoring device and reservoir ambient gas monitoring method |
| GB2619362A (en) * | 2022-05-30 | 2023-12-06 | Ocean Univ Of China Cn | In-situ measurement device for marine radon and measurement method thereof |
-
2021
- 2021-12-14 CN CN202123134378.5U patent/CN217084911U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2619362A (en) * | 2022-05-30 | 2023-12-06 | Ocean Univ Of China Cn | In-situ measurement device for marine radon and measurement method thereof |
| GB2619362B (en) * | 2022-05-30 | 2024-05-29 | Ocean Univ Of China Cn | In-situ measurement device for carrying out an in-situ radon measurement on gas and measurement method thereof |
| CN115453604A (en) * | 2022-11-14 | 2022-12-09 | 中国海洋大学 | In-situ measurement device and measurement method for radon concentration in whole sea depth |
| CN115453604B (en) * | 2022-11-14 | 2023-03-24 | 中国海洋大学 | Full-sea deep radon concentration in-situ measurement device and measurement method |
| CN116559384A (en) * | 2023-07-10 | 2023-08-08 | 华能澜沧江水电股份有限公司 | Reservoir ambient gas monitoring device and reservoir ambient gas monitoring method |
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