CN212749261U - Ocean gamma energy spectrum measuring device based on submerged buoy - Google Patents
Ocean gamma energy spectrum measuring device based on submerged buoy Download PDFInfo
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- CN212749261U CN212749261U CN202021352579.5U CN202021352579U CN212749261U CN 212749261 U CN212749261 U CN 212749261U CN 202021352579 U CN202021352579 U CN 202021352579U CN 212749261 U CN212749261 U CN 212749261U
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Abstract
The utility model relates to an ocean stealth mark technical field especially relates to an ocean gamma energy spectrum measuring device based on stealthy mark. Including the equipment frame, first watertight cabin and the second watertight cabin of installation in the equipment frame, install gamma radiation detector, single track counter, multichannel pulse amplitude analyzer, geiger miller counter in the first watertight cabin, install battery, controller in the second watertight cabin, be connected with the watertight cable between first watertight cabin and the second watertight cabin for the battery can supply power for each equipment in the first watertight cabin through the watertight cable, and each equipment in the first watertight cabin of controller can be controlled through the watertight cable. Thereby realizing the online monitoring of the marine radionuclide.
Description
Technical Field
The utility model relates to an ocean stealth mark technical field especially relates to an ocean gamma energy spectrum measuring device based on stealthy mark.
Background
The experience of international and domestic nuclear power operation shows that nuclear power is a safe and efficient energy source, but everything is not absolute, and the nuclear technology is a double-edge sword while the nuclear power is vigorously developed. The development and utilization of nuclear power bring great economic benefits and social benefits to the society, but also generate a large amount of nuclear waste and potential nuclear accident risks.
With the construction and use of a large number of coastal nuclear power stations in China, the influence of nuclear facility operation, nuclear waste generation and daily discharge on the marine environment has to be considered, so that equipment which can be put in a sea area for nuclide detection needs to be designed, and the real-time and continuous monitoring of the radionuclide in the marine water body can be realized.
SUMMERY OF THE UTILITY MODEL
The utility model provides a marine gamma energy spectrum measuring device based on submerged buoy realizes the long-term continuous on-line monitoring to marine radionuclide.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides an ocean gamma energy spectrum measuring device based on buoy, includes the equipment frame, first watertight cabin and the second watertight cabin of installation in the equipment frame, install gamma radiation detector, single track counter, multichannel pulse amplitude analyzer, geiger miller counter in the first watertight cabin, install battery, controller in the second watertight cabin, be connected with the watertight cable between first watertight cabin and the second watertight cabin for the battery can supply power through each equipment in the watertight cable for first watertight cabin, and the controller can be through each equipment in the watertight cable control first watertight cabin and can be connected with the computer through the watertight cable and be used for data derivation and measurement parameter setting.
After the gamma radiation detector is placed along with the submerged buoy, the gamma radiation detector only starts a single-channel counter and is used for measuring the dose rate of the position where the gamma radiation detector is located, when the change of the dose rate exceeds 3 times of standard deviation, a multi-channel pulse amplitude analyzer is started, the single-channel counter is closed, the multi-channel pulse amplitude analyzer carries out energy spectrum acquisition, the dose rate is obtained by G (x) function conversion, meanwhile, each energy spectrum is calculated, the 1.4MeV boundary is used as the boundary, the spectrum data which are smaller than 1.4MeV and larger than 1.4MeV are integrated, and the areas are S respectively1And S2，S1/S2When eta is less than or equal to delta, the controller closes the multichannel pulse amplitude analyzer and converts the multichannel pulse amplitude analyzer into a single-channel counter, when eta is less than or equal to delta, the single-channel counter continues to perform energy spectrum measurement, when the dose rate exceeds 80 mu SV (or a threshold value set in advance), the controller closes the single-channel counter and the high voltage of the detector, and the single-channel counter and the detector are automatically switched to a Geiger Miller counter to achieve the purpose of expanding the range.
Preferably, the first watertight compartment and the second watertight compartment are of cylindrical structures with cavities inside, one end of the first watertight compartment is provided with an opening, a first end cover is mounted on the opening, a sealing ring is arranged on the opening contact surface of the first end cover and the first watertight compartment, an interface used for being connected with a watertight cable is arranged on the first end cover, the interface is sealed, openings are formed in two ends of the second watertight compartment, a second end cover and a third end cover are mounted at the openings of the two ends respectively, the sealing rings are arranged on the end faces of the second end cover, the third end cover and the opening of the second watertight compartment, the first watertight compartment and the second watertight compartment are prevented from water entering, the end cover is arranged at one end of the first watertight compartment, and related equipment is conveniently loaded into the first watertight compartment.
Preferably, the one end of second end cover and sea water contact is provided with two shrinkage pools, installs the interface that charges that is used for controlling the switch of whole circuit break-make and is used for charging for equipment bottom the shrinkage pool to install watertight plug-in plug in two shrinkage pools, prevent that switch and the interface that charges from intaking.
Furthermore, a watertight debugging port is arranged on the first end cover, and a watertight plug is arranged on the watertight debugging port.
Further, gamma radiation detector, single track counter, multichannel pulse amplitude analysis ware and geiger miller counter are installed on first mounting panel, install two T type spouts that are parallel to each other on the first mounting panel, correspond be in install two T type slip tables that are parallel to each other on the inner wall in first watertight cabin and the length direction in following first watertight cabin, first mounting panel passes through T type spout assembly on T type slip table, and stop device that is used for preventing first mounting panel from moving on the length direction of T type slip table is installed to the both ends or the one end of T type slip table.
Still further, battery and controller also can refer to above-mentioned gamma radiation detector, single track counter, multichannel pulse amplitude analyzer and geiger miller counter's mounting means and install, are about to battery and controller and install on the second mounting panel, are provided with two T type spouts that are parallel to each other on the second mounting panel, correspond the inner wall in second watertight cabin just installs two T type slipways that are parallel to each other on the length direction in second watertight cabin, and the second mounting panel passes through T type slip table and the cooperation of T type spout, and stop device that is used for preventing the second mounting panel from moving on the length direction of T type slip table is installed to the both ends or the one end of T type slip table. Above assembly mode through T type slip table and T type slip table for when overhauing equipment, only need open the end cover after, demolish stop device and just can wholly pull out relevant equipment, made things convenient for the dismantlement of installation also convenient when overhauing promptly through this design.
Preferably, stop device is including installing the limiting plate at T type slip table both ends or one end, and the both ends of limiting plate set up a screw hole respectively, insert the bolt in the screw hole, the one end of T type spout is hugged closely to the pole head to make and hug closely the one end of T type spout through the bolt, prevented that first mounting panel or second mounting panel from removing on the length direction of T type slip table.
Preferably, the first watertight compartment and the second watertight compartment are mounted on the equipment frame through anchor ears, and any one hoop plate of the anchor ears is fixedly mounted on the frame. And then the other hoop plate is assembled with the hoop plate to complete the fixation of the first watertight compartment and the second watertight compartment.
Preferably, lifting lugs are arranged at two ends of the equipment frame, so that the device can be conveniently placed under the sea by binding ropes.
Preferably, the gamma radiation detector adopts NaI detector, plastic scintillator detector and CeBr3Detector, LaBr3One of the detectors.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a set up gamma radiation detector, single track counter, multichannel pulse amplitude analyzer, geiger miller counter, battery, controller in two watertight cabins to the detection of ocean radionuclide has been realized.
2. And the device only uses a single-channel counter in the initial detection stage, and is switched to a gamma radiation detector or a multi-channel pulse amplitude analyzer or a Geiger Miller counter after the dosage rate exceeds a certain range, so that the power consumption of the device is reduced, and the endurance time of the device is increased.
3. The utility model discloses with gamma radiation detector, the single track counter, multichannel pulse amplitude analyzer, geiger miller counter, the battery, the controller is installed on the mounting panel, set up T type guide slot on the mounting panel, set up T type slip table in the watertight cabin, T type guide slot and T type slip table mutually support, and prevent through stop device that the mounting panel from moving on the length direction of T type slip table, thereby gamma radiation detector has been accomplished, the single track counter, multichannel pulse amplitude analyzer, geiger miller counter, the battery, the fixed of controller, during the maintenance equipment, only need be after opening the end cover, demolish stop device and just can pull out relevant equipment is whole, the dismantlement of installation also convenient when overhauing has been made things convenient for through this design promptly.
Drawings
Fig. 1 is a schematic view of the external overall structure of the present invention;
fig. 2 is a cross-sectional view of the present invention for showing the internal devices of the first watertight compartment and the second watertight compartment;
fig. 3 is an enlarged schematic view of a portion a of fig. 2 according to the present invention;
fig. 4 is a cross-sectional view showing the assembly relationship between the T-shaped guide groove and the T-shaped sliding table according to the present invention;
fig. 5 is a schematic view of the installation positions of the first watertight compartment and the second watertight compartment of the present invention;
fig. 6 is a detailed schematic view of the second end cap of the present invention.
Description of reference numerals: 1. a first watertight compartment; 101. a first mounting plate; 102. a gamma radiation detector; 103. a Geiger Miller counter; 104. a single-pass counter; 105. a multichannel pulse amplitude analyzer; 2. a second watertight compartment; 201. a second mounting plate; 202. a controller; 203. a storage battery; 3. an equipment frame; 301. lifting lugs; 302. hooping; 4. a watertight cable; 5. a first end cap; 6. a second end cap; 601. a charging interface; 602. a power switch; 7. a third end cap; 8. a watertight plug-in plug; 9. a limiting device; 901. a limiting plate; 902. a bolt; 10, a T-shaped sliding table; a T-shaped chute.
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.
Referring to the attached drawings 1 and 2, the marine gamma energy spectrum measuring device based on the submerged buoy comprises an equipment frame 3, a first watertight cabin 1 and a second watertight cabin 2 which are installed in the equipment frame 3, wherein a gamma radiation detector 102, a single-channel counter 104, a multi-channel pulse amplitude analyzer 105 and a Geiger Miller counter 103 are installed in the first watertight cabin 1, a storage battery 203 and a controller 202 are installed in the second watertight cabin 2, a watertight cable 4 is connected between the first watertight cabin 1 and the second watertight cabin 2, so that the storage battery 203 can supply power to each device in the first watertight cabin 1 through the watertight cable 4, and the controller 202 can control each device in the first watertight cabin 1 through the watertight cable 4 and can be connected with a computer through the watertight cable 4 for data derivation and measurement parameter setting.
After the gamma radiation detector 102 is placed along with the submerged buoy, the gamma radiation detector 102 only starts a single-channel counter 104 for measuring dose rate at the position of the gamma radiation detector 102, when the change of the dose rate exceeds 3 times of standard deviation, a multi-channel pulse amplitude analyzer 105 is started, the single-channel counter 104 is closed, the multi-channel pulse amplitude analyzer 105 carries out energy spectrum acquisition, the dose rate is obtained by G (x) function conversion, meanwhile, each energy spectrum is calculated, the 1.4MeV is used as a boundary, spectrum data smaller than 1.4MeV and higher than 1.4MeV are integrated, and the areas are respectively S (S), (x) and (y) respectively1And S2，S1/S2When eta is less than or equal to delta, the controller 202 closes the multichannel pulse amplitude analyzer 105, the multichannel pulse amplitude analyzer is converted into the single-channel counter 104, when eta is less than or equal to delta, the single-channel counter 104 continues to perform energy spectrum measurement, when the dose rate exceeds 80 mu SV (or a threshold value set in advance), the controller 202 closes the single-channel counter 104 and the high voltage of the detector, the single-channel counter 104 and the high voltage of the detector are automatically switched to the Geiger Miller counter 103, and the measuring range is expanded.
Referring to fig. 1 and 2, the first watertight compartment 1 and the second watertight compartment 2 are cylindrical structures with cavities inside, one end of the first watertight compartment 1 is provided with an opening, a first end cover 5 is arranged on the opening, a sealing ring is arranged on the contact surface of the first end cover 5 and the opening of the first watertight compartment 1, an interface for connecting the watertight cable 4 is arranged on the first end cover 5, and a seal is arranged at the interface, two ends of the second watertight compartment 2 are provided with openings, the openings at the two ends are respectively provided with a second end cover 6 and a third end cover 7, the end surfaces of the second end cover 6 and the third end cover 7 and the openings of the second watertight compartment 2 are provided with seal rings to prevent the first watertight compartment 1 and the second watertight compartment 2 from water inflow, and the arrangement of the end cover at one end of the first watertight compartment 1 facilitates the installation of the relevant equipment into the first watertight compartment 1, and in the same way, also facilitates the installation of the relevant equipment into the second watertight compartment 2.
Referring to fig. 6, two concave holes are arranged at one end of the second end cover 6, which is in contact with seawater, a power switch 602 for controlling the on-off of the whole circuit and a charging interface 601 for charging the device are installed at the bottom of each concave hole, and a watertight plug 8 is installed in each concave hole to prevent the power switch 602 and the charging interface 601 from water inflow.
Referring to fig. 1, a watertight debugging port is arranged on the first end cover 5, and a watertight plug 8 is installed on the watertight debugging port.
Referring to fig. 2 to 4, the gamma radiation detector 102, the single track counter 104, the multi-track pulse amplitude analyzer 105 and the geiger miller counter 103 are mounted on a first mounting plate 101, two parallel T-shaped sliding grooves 11 are mounted on the first mounting plate 101, two parallel T-shaped sliding tables 10 are correspondingly mounted on the inner wall of the first watertight compartment 1 and along the length direction of the first watertight compartment 1, the first mounting plate 101 is assembled on the T-shaped sliding tables 10 through the T-shaped sliding grooves 11, and limiting devices 9 for preventing the first mounting plate 101 from moving along the length direction of the T-shaped sliding tables 10 are mounted at two ends or one end of the T-shaped sliding tables 10.
Still further, the storage battery 203 and the controller 202 may also be installed with reference to the installation manner of the gamma radiation detector 102, the single channel counter 104, the multi-channel pulse amplitude analyzer 105 and the geiger miller counter 103, that is, the storage battery 203 and the controller 202 are installed on the second installation board 201, two parallel T-shaped sliding chutes 11 are provided on the second installation board 201, two parallel T-shaped sliding tables 10 are correspondingly installed on the inner wall of the second watertight compartment 2 and along the length direction of the second watertight compartment 2, the second installation board 201 is matched with the T-shaped sliding chutes 11 through the T-shaped sliding tables 10, and the limiting devices 9 for preventing the second installation board 201 from moving along the length direction of the T-shaped sliding tables 10 are installed at two ends or one end of the T-shaped sliding tables 10. Above assembly methods through T type slip table 10 and T type slip table 10 for when overhauing equipment, only need open the end cover after, demolish stop device 9 and just can wholly pull out relevant equipment, made things convenient for the dismantlement of installation also convenient when overhauing promptly through this design.
Preferably, the limiting device 9 includes limiting plates 901 mounted at two ends or one end of the T-shaped sliding table 10, two ends of each limiting plate 901 are respectively provided with a threaded hole, a bolt 902 is inserted into each threaded hole, and the rod head is tightly attached to one end of the T-shaped sliding groove 11, so that the bolt 902 is tightly attached to one end of the T-shaped sliding groove 11, and the first mounting plate 101 or the second mounting plate 201 is prevented from moving along the length direction of the T-shaped sliding table 10.
Preferably, the first watertight compartment 1 and the second watertight compartment 2 are mounted on the equipment frame 3 through a hoop 302, and any hoop plate of the hoop 302 is fixedly mounted on the frame. And then the other hoop plate is assembled with the hoop plate to complete the fixation of the first watertight compartment 1 and the second watertight compartment 2.
With reference to fig. 1, lifting lugs 301 are mounted at both ends of the equipment frame 3, so as to facilitate the rope binding and the device to be placed under the sea.
The gamma radiation detector 102 adopts NaI detector, plastic scintillator detector and CeBr3Detector, LaBr3One of the detectors.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. An ocean gamma energy spectrum measuring device based on a submerged buoy is characterized in that: comprises an equipment frame (3), a first watertight cabin (1) and a second watertight cabin (2) which are arranged in the equipment frame (3), a gamma radiation detector (102), a single-channel counter (104), a multi-channel pulse amplitude analyzer (105) and a Geiger Miller counter (103) are arranged in the first watertight cabin (1), a storage battery (203) and a controller (202) are arranged in the second watertight cabin (2), a watertight cable (4) is connected between the first watertight compartment (1) and the second watertight compartment (2), the storage battery (203) can supply power to all devices in the first watertight compartment (1) through the watertight cable (4), and the controller (202) can control all devices in the first watertight compartment (1) through the watertight cable (4) and can be connected with a computer through the watertight cable (4) for data derivation and parameter setting measurement.
2. The marine gamma energy spectrum measuring device based on the submerged buoy of claim 1, wherein: the first watertight cabin (1) and the second watertight cabin (2) are of cylindrical structures with cavities inside, one end of the first watertight cabin (1) is provided with an opening, a first end cover (5) is installed on the opening, sealing rings are arranged on the opening contact surfaces of the first end cover (5) and the first watertight cabin (1), an interface used for being connected with a watertight cable (4) is arranged on the first end cover (5), the interface is sealed, openings are arranged at two ends of the second watertight cabin (2), a second end cover (6) and a third end cover (7) are installed at the opening of the two ends respectively, and the sealing rings are arranged on the end surfaces of the opening of the second watertight cabin (2) and the second end cover (6) and the third end cover (7).
3. A submerged buoy based marine gamma energy spectrum measuring device as claimed in claim 2, wherein: second end cover (6) are provided with two shrinkage pools with the one end of sea water contact, install switch (602) that are used for controlling whole circuit break-make and interface (601) that charges that is used for charging for equipment bottom the shrinkage pool to install watertight plug-in end cap (8) in two shrinkage pools.
4. A submerged buoy based marine gamma energy spectrum measuring device as claimed in claim 2, wherein: the first end cover (5) is provided with a watertight debugging port, and a watertight plug (8) is installed on the watertight debugging port.
5. The marine gamma energy spectrum measuring device based on the submerged buoy of claim 1, wherein: the first watertight compartment (1) and the second watertight compartment (2) are installed on the equipment frame (3) through anchor ears (302), any hoop plate of the anchor ears (302) is fixedly installed on the frame, and the other hoop plate is assembled with the hoop plate to complete the fixation of the first watertight compartment (1) and the second watertight compartment (2).
6. The marine gamma energy spectrum measuring device based on the submerged buoy of claim 1, wherein: lifting lugs (301) are mounted at two ends of the equipment frame (3).
7. The marine gamma energy spectrum measuring device based on the submerged buoy of claim 1, wherein: the gamma radiation detector (102) adopts a NaI detector, a plastic scintillator detector and CeBr3Detector, LaBr3One of the detectors.
8. A submerged buoy based marine gamma energy spectrum measuring device as claimed in any one of claims 1 to 7, wherein: gamma radiation detector (102), single track counter (104), multichannel pulse amplitude analyzer (105) and geiger miller counter (103) are installed on first mounting panel (101), install two T type spout (11) that are parallel to each other on first mounting panel (101), correspond be in the inner wall of first watertight cabin (1) and install two first mounting panel (101) that are parallel to each other on the length direction of following first watertight cabin (1), first mounting panel (101) assemble on first mounting panel (101) through T type spout (11), and stop device (9) that are used for preventing first mounting panel (101) from moving on the length direction of first mounting panel (101) are installed to the both ends or the one end of first mounting panel (101).
9. The marine gamma energy spectrum measuring device based on the submerged buoy of claim 8, wherein: battery (203) and controller (202) are installed on second mounting panel (201), are provided with two T type spout (11) that are parallel to each other on second mounting panel (201), correspond the inner wall of second watertight cabin (2) and install two first mounting panel (101) that are parallel to each other on the length direction of following second watertight cabin (2), second mounting panel (201) are through first mounting panel (101) and T type spout (11) cooperation, and stop device (9) that are used for preventing second mounting panel (201) from moving on the length direction of first mounting panel (101) are installed to the both ends or the one end of first mounting panel (101).
10. A submerged buoy based marine gamma energy spectrum measuring device as claimed in claim 9, wherein: the limiting device (9) comprises limiting plates (901) arranged at two ends or one end of a first mounting plate (101), threaded holes are formed in two ends of each limiting plate (901), bolts (902) are inserted into the threaded holes, and the head of each bolt (902) is tightly attached to one end of a T-shaped sliding groove (11), so that one end of the T-shaped sliding groove (11) is tightly attached to the bolt (902).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021352579.5U CN212749261U (en) | 2020-07-10 | 2020-07-10 | Ocean gamma energy spectrum measuring device based on submerged buoy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021352579.5U CN212749261U (en) | 2020-07-10 | 2020-07-10 | Ocean gamma energy spectrum measuring device based on submerged buoy |
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| Publication Number | Publication Date |
|---|---|
| CN212749261U true CN212749261U (en) | 2021-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021352579.5U Active CN212749261U (en) | 2020-07-10 | 2020-07-10 | Ocean gamma energy spectrum measuring device based on submerged buoy |
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| CN (1) | CN212749261U (en) |
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2020
- 2020-07-10 CN CN202021352579.5U patent/CN212749261U/en active Active
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