CN112763748A - Nuclear power station cold source underwater multilayer flow velocity measurement buoy - Google Patents
Nuclear power station cold source underwater multilayer flow velocity measurement buoy Download PDFInfo
- Publication number
- CN112763748A CN112763748A CN202011604322.9A CN202011604322A CN112763748A CN 112763748 A CN112763748 A CN 112763748A CN 202011604322 A CN202011604322 A CN 202011604322A CN 112763748 A CN112763748 A CN 112763748A
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- flow velocity
- nuclear power
- module
- cold source
- buoy
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- 238000005259 measurement Methods 0.000 title claims abstract description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 69
- 238000004891 communication Methods 0.000 claims abstract description 47
- 238000012544 monitoring process Methods 0.000 claims abstract description 28
- 238000009529 body temperature measurement Methods 0.000 claims abstract description 5
- 239000013535 sea water Substances 0.000 claims abstract description 5
- 238000007667 floating Methods 0.000 claims description 22
- 239000000523 sample Substances 0.000 claims description 8
- 238000002592 echocardiography Methods 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 7
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 238000010248 power generation Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910052697 platinum Inorganic materials 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 230000002159 abnormal effect Effects 0.000 abstract description 4
- 238000001816 cooling Methods 0.000 description 4
- 230000007123 defense Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
- G01P5/18—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the time taken to traverse a fixed distance
- G01P5/20—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the time taken to traverse a fixed distance using particles entrained by a fluid stream
Abstract
The invention provides a nuclear power station cold source underwater multilayer flow velocity measurement buoy which comprises a power supply unit, a data acquisition unit and a communication unit, wherein the power supply unit is used for supplying power to a nuclear power station; the data acquisition unit comprises a water depth measurement module, a water temperature measurement module and a flow velocity measurement module; the data acquisition unit is connected with the control terminal through the communication unit; the power supply unit is connected with the data acquisition unit and the communication unit and provides voltage required by work; the water depth measuring module is used for monitoring and collecting the sea water depth of the cold source sea area of the nuclear power plant; the water temperature measuring module is used for monitoring and collecting sea water temperature; the flow velocity measurement module is used for carrying out sea area multilayer flow velocity monitoring and collection on the cold source sea area of the nuclear power plant; the communication unit is connected with the data acquisition module and sends the information collected by the data acquisition module. The invention collects a plurality of parameter data of sea area multilayer flow velocity, water temperature and water depth, and carries out early warning on abnormal environment data condition in time.
Description
Technical Field
The invention relates to the technical field of nuclear power, in particular to an underwater multilayer flow velocity measurement buoy for a cold source of a nuclear power station.
Background
The cooling system of the nuclear power station has no replaceable function for the normal work of the nuclear power station, and if the cooling system can not work normally, the phenomena of generator set shutdown and nuclear reactor shutdown are caused to happen occasionally, and potential hazards are caused to cold sources, sea creatures and production safety of the nuclear power station. The water intake of the cooling system has no substitution in the same way, but is affected by extreme weather, and marine organisms or foreign matters far away from the sea area of the water intake can be sent to the position near the water intake under the action of wind, wave and flow, so that the safety risk of a cold source is caused. Simultaneously, the intake rate of flow is unusual can direct influence water intaking efficiency, and then influences cooling efficiency, if with the detector deployment around the intake, although can detect and the early warning, the reaction time who leaves the nuclear power plant is very few, threatens the safe operation of nuclear power plant. Therefore, the detection direction needs to be considered to extend to the far side of the water intake, which involves the problems of fixing, power supply, communication and the like of the detection equipment, so that good carrying equipment is needed to carry out remote defense, sufficient reaction time is provided for a nuclear power plant, and the deep defense target is realized.
Disclosure of Invention
The invention aims to provide an underwater multilayer flow velocity measurement buoy for a cold source of a nuclear power station, and solves the technical problem of how to remotely measure remote flow velocity parameters of a water intake in a sea area.
One aspect of the present invention provides an underwater multilayer flow velocity measurement buoy for a cold source of a nuclear power plant, which is arranged in a cold source sea area of the nuclear power plant, and includes: the device comprises a power supply unit, a data acquisition unit and a communication unit; the data acquisition unit comprises a water depth measurement module, a water temperature measurement module and a flow velocity measurement module; the data acquisition unit is connected with the control terminal through the communication unit; wherein the content of the first and second substances,
the power supply unit is respectively connected with the water depth measuring module, the water temperature measuring module, the flow velocity measuring module and the communication unit and provides voltage required by work for the water depth measuring module, the water temperature measuring module, the flow velocity measuring module and the communication unit;
the water depth measuring module is used for monitoring and collecting the sea water depth of the cold source sea area of the nuclear power plant;
the water temperature measuring module is used for monitoring and collecting the water temperature of the sea area of the cold source of the nuclear power plant;
the flow velocity measurement module is used for carrying out sea area multilayer flow velocity monitoring and collection on the cold source sea area of the nuclear power plant;
the communication unit is respectively connected with the water depth measuring module, the water temperature measuring module and the flow velocity measuring module and used for sending the information collected by the water depth measuring module, the water temperature measuring module and the flow velocity measuring module;
and the control terminal receives and processes the information sent by the communication unit.
Preferably, the method further comprises the following steps: the monitoring unit is respectively connected with the data acquisition unit, the communication unit and the power supply unit; and monitoring the data acquisition unit, the communication unit, the power supply unit and the power consumption of the buoy and sensing the working state of the buoy.
Preferably, the method further comprises the following steps: the floating chassis is a round cake-shaped metal shell; the middle part of the floating chassis is provided with a through hole for fixing the data acquisition unit; the communication module and the power supply module are arranged in the floating chassis.
Preferably, the buoy includes at least 1 floating chassis carrying the data acquisition unit, the communication unit, the power supply unit, and the monitoring unit.
Preferably, the water depth measuring module comprises a single-beam ultrasonic probe which emits high-frequency pulse sound waves and receives reflected partial echoes; the single-beam ultrasonic probe is connected with the control terminal through the communication unit.
Preferably, the water temperature measuring module comprises a platinum resistance thermometer and is connected with the control terminal through the communication unit.
Preferably, the flow velocity measurement module comprises a sound wave processing chip and a beam transducer which are connected with each other; the wave beam transducer sends out sound waves and receives reflected echoes, and the sound wave processing chip is connected with the control terminal through the communication unit.
Preferably, the power supply unit comprises a solar power generation module and a battery pack; the solar module is arranged on the top of the floating chassis and connected with the battery pack arranged in the floating chassis.
Preferably, the communication unit is connected with the control terminal by adopting a transmission mode combining WIFI and 5G.
Preferably, the monitoring unit comprises a buoy water inlet sensor, a buoy door opening sensor, a buoy internal temperature and humidity sensor and a monitor for monitoring voltage and current.
In summary, the embodiment of the invention has the following beneficial effects:
the nuclear power station cold source underwater multilayer flow velocity measurement buoy provided by the invention can be used for deploying defense at a position far away from a water intake, simultaneously collecting a plurality of parameter data of multilayer flow velocity, water temperature and water depth of a sea area, and early warning is carried out on abnormal environment data conditions in time, so that the early warning response time is improved, sufficient time is provided for decision support, the nuclear power operation safety is ensured, and the economic loss is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is within the scope of the present invention for those skilled in the art to obtain other drawings based on the drawings without inventive exercise.
Fig. 1 is a schematic diagram of an underwater multilayer flow velocity measurement buoy of a cold source of a nuclear power station in an embodiment of the invention.
FIG. 2 is a top view of a floating chassis according to an embodiment of the present invention.
FIG. 3 is a side view of a floating chassis according to an embodiment of the present invention.
Fig. 4 is a schematic diagram of a water depth measurement module according to an embodiment of the invention.
FIG. 5 is a schematic diagram of a flow rate measurement module in an embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 is a schematic diagram of an embodiment of an underwater multilayer flow velocity measurement buoy for a cold source of a nuclear power plant according to the present invention. In this embodiment, the buoy is located in the cold source sea area of the nuclear power plant, and includes:
the device comprises a power supply unit, a data acquisition unit and a communication unit; the data acquisition unit comprises a water depth measurement module, a water temperature measurement module and a flow velocity measurement module; the data acquisition unit is connected with the control terminal through the communication unit; wherein the content of the first and second substances,
the power supply unit is respectively connected with the water depth measuring module, the water temperature measuring module, the flow velocity measuring module and the communication unit and provides voltage required by work for the water depth measuring module, the water temperature measuring module, the flow velocity measuring module and the communication unit; specifically, the power supply unit comprises a solar power generation module and a battery pack; the solar power generation module is arranged at the top of the floating chassis and connected with a battery pack arranged in the floating chassis, and the solar power generation module charges the battery pack.
As shown in fig. 4, the water depth measuring module monitors and collects the sea water depth of the cold source sea area of the nuclear power plant; specifically, the water depth measuring module comprises a single-beam ultrasonic probe, and sends out high-frequency pulse sound waves and receives reflected partial echoes by adopting a single-beam ultrasonic measuring mode; the single-beam ultrasonic probe is connected with the control terminal through the communication unit. The ultrasonic probe (i.e. transducer) sends out high-frequency pulse sound waves to meet the surface of the liquid to be measured, part of echoes are received and converted into electric signals by the same transducer after being reflected, and a feedback time T is obtained, so that the relation between the distance S from the probe to the liquid level and the sound velocity C is measured, namely: and S is C multiplied by T/2.
The water temperature measuring module is used for monitoring and collecting the water temperature of the sea area of the cold source of the nuclear power plant; specifically, the water temperature measuring module comprises a platinum resistance thermometer and is connected with the control terminal through the communication unit.
As shown in fig. 5, the flow rate measurement module performs sea-area multi-layer flow rate monitoring and collection on the cold source sea area of the nuclear power plant; specifically, the flow velocity measurement module comprises an acoustic processing chip and a beam transducer which are connected with each other; the wave beam transducer sends out sound waves and receives reflected echoes, and the sound wave processing chip is connected with the control terminal through the communication unit. By adopting a sonar Doppler principle, the flow velocity of the underwater 5-layer section can be accurately measured, and observation data can be output in real time. The instrument uses a high-speed Doppler DSP chip and a high-performance beam transducer, and an intelligent surface echo analysis algorithm is used for analysis and processing, so that reflection interference signals irrelevant to the liquid speed are effectively eliminated, and professional observation data such as the ocean current speed and the like are output in a high-precision digital mode.
The communication unit is respectively connected with the water depth measuring module, the water temperature measuring module and the flow velocity measuring module and used for sending the information collected by the water depth measuring module, the water temperature measuring module and the flow velocity measuring module; specifically, the communication unit is connected with the control terminal in a transmission mode combining WIFI and 5G; and a GPS/Beidou second-generation dual-mode positioning module is also arranged.
The control terminal receives the information sent by the communication unit, processes the information and stores the information into the database, performs data fusion on the received information, and displays the monitoring information or provides the monitoring information to the computer client and the APP mobile terminal through the display device. The system also has the functions of managing user authority, inquiring historical information, printing reports, remotely/locally setting data acquisition frequency and the like. .
The monitoring unit is respectively connected with the data acquisition unit, the communication unit and the power supply unit; and monitoring the data acquisition unit, the communication unit, the power supply unit and the power consumption of the buoy and sensing the working state of the buoy. Specifically, the monitoring unit comprises a buoy water inlet sensor, a buoy cabin door opening sensor, a temperature and humidity sensor inside the buoy and a monitor for monitoring voltage and current, the working state of each module of the buoy is monitored, and if a certain part is abnormal, an alarm is given in time, and a maintainer is informed to replace and maintain.
As shown in fig. 2 and 3, the floating chassis is a metal shell in a round cake shape; the middle part of the floating chassis is provided with a through hole for fixing the data acquisition unit; the communication module and the power supply module are arranged in the floating chassis. Specifically, the buoy includes at least 1 floating chassis on which the data acquisition unit, the communication unit, the power supply unit, and the monitoring unit are mounted. The floating chassis keeps the buoy floating on the water surface and serves as a bearing platform.
In summary, the embodiment of the invention has the following beneficial effects:
the nuclear power station cold source underwater multilayer flow velocity measurement buoy provided by the invention can be used for deploying defense at a position far away from a water intake, simultaneously collecting a plurality of parameter data of multilayer flow velocity, water temperature and water depth of a sea area, and early warning is carried out on abnormal environment data conditions in time, so that the early warning response time is improved, sufficient time is provided for decision support, the nuclear power operation safety is ensured, and the economic loss is reduced.
While the invention has been described in connection with what is presently considered to be the most practical and preferred embodiment, it is to be understood that the invention is not to be limited to the disclosed embodiment, but on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.
Claims (10)
1. The utility model provides a buoy is measured to multilayer velocity of flow under water of nuclear power station cold source, locates nuclear power plant cold source sea area, its characterized in that includes: the device comprises a power supply unit, a data acquisition unit and a communication unit; the data acquisition unit comprises a water depth measurement module, a water temperature measurement module and a flow velocity measurement module; the data acquisition unit is connected with the control terminal through the communication unit; wherein the content of the first and second substances,
the power supply unit is respectively connected with the water depth measuring module, the water temperature measuring module, the flow velocity measuring module and the communication unit and provides voltage required by work for the water depth measuring module, the water temperature measuring module, the flow velocity measuring module and the communication unit;
the water depth measuring module is used for monitoring and collecting the sea water depth of the cold source sea area of the nuclear power plant;
the water temperature measuring module is used for monitoring and collecting the water temperature of the sea area of the cold source of the nuclear power plant;
the flow velocity measurement module is used for carrying out sea area multilayer flow velocity monitoring and collection on the cold source sea area of the nuclear power plant;
the communication unit is respectively connected with the water depth measuring module, the water temperature measuring module and the flow velocity measuring module and used for sending the information collected by the water depth measuring module, the water temperature measuring module and the flow velocity measuring module;
and the control terminal receives and processes the information sent by the communication unit.
2. The nuclear power plant cold source underwater multilayer flow velocity measurement buoy as claimed in claim 1, further comprising: the monitoring unit is respectively connected with the data acquisition unit, the communication unit and the power supply unit; and monitoring the data acquisition unit, the communication unit, the power supply unit and the power consumption of the buoy and sensing the working state of the buoy.
3. The nuclear power plant cold source underwater multilayer flow velocity measurement buoy as claimed in claim 2, further comprising: the floating chassis is a round cake-shaped metal shell; the middle part of the floating chassis is provided with a through hole for fixing the data acquisition unit; the communication module and the power supply module are arranged in the floating chassis.
4. The nuclear power plant cold source underwater multilayer flow velocity measurement buoy as claimed in claim 3, wherein the buoy includes at least 1 floating chassis carrying the data acquisition unit, the communication unit, the power supply unit and the monitoring unit.
5. The nuclear power plant cold source underwater multilayer flow velocity measurement buoy as claimed in claim 4, wherein the water depth measurement module includes a single-beam ultrasonic probe which emits high-frequency pulse sound waves and receives reflected partial echoes; the single-beam ultrasonic probe is connected with the control terminal through the communication unit.
6. The nuclear power plant cold source underwater multilayer flow velocity measurement buoy as claimed in claim 5, wherein the water temperature measurement module comprises a platinum resistance thermometer, and is connected with the control terminal through the communication unit.
7. The nuclear power plant cold source underwater multilayer flow velocity measurement buoy as claimed in claim 6, wherein the flow velocity measurement module comprises a sound wave processing chip and a beam transducer connected with each other; the wave beam transducer sends out sound waves and receives reflected echoes, and the sound wave processing chip is connected with the control terminal through the communication unit.
8. The nuclear power plant cold source underwater multilayer flow velocity measurement buoy as claimed in claim 7, wherein the power supply unit includes a solar power generation module, a battery pack; the solar module is arranged on the top of the floating chassis and connected with the battery pack arranged in the floating chassis.
9. The nuclear power plant cold source underwater multilayer flow velocity measurement buoy as claimed in claim 8, wherein the communication unit is connected with the control terminal by adopting a transmission mode combining WIFI and 5G.
10. The nuclear power plant cold source underwater multilayer flow velocity measurement buoy as claimed in claim 2, wherein the monitoring unit comprises a buoy water inlet sensor, a buoy door opening sensor, a temperature and humidity sensor inside the buoy, and a monitor for monitoring voltage and current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011604322.9A CN112763748A (en) | 2020-12-29 | 2020-12-29 | Nuclear power station cold source underwater multilayer flow velocity measurement buoy |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011604322.9A CN112763748A (en) | 2020-12-29 | 2020-12-29 | Nuclear power station cold source underwater multilayer flow velocity measurement buoy |
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| CN112763748A true CN112763748A (en) | 2021-05-07 |
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| CN202011604322.9A Pending CN112763748A (en) | 2020-12-29 | 2020-12-29 | Nuclear power station cold source underwater multilayer flow velocity measurement buoy |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114113314A (en) * | 2021-11-25 | 2022-03-01 | 厦门大学 | Marine disaster-causing biological underwater sound monitoring system and method for coastal nuclear power station |
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| US20170225750A1 (en) * | 2014-08-12 | 2017-08-10 | University Of Maine System Board Of Trustees | Buoy With Integrated Motion Compensation |
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| CN206848787U (en) * | 2017-07-12 | 2018-01-05 | 苏州热工研究院有限公司 | A kind of nuclear power plant's low-temperature receiver sea area monitoring system based on intelligent buoy |
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2020
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Patent Citations (6)
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| JP2003215230A (en) * | 2002-01-21 | 2003-07-30 | Masao Yoshitani | Position detection system for underwater moving body and its method |
| US20170225750A1 (en) * | 2014-08-12 | 2017-08-10 | University Of Maine System Board Of Trustees | Buoy With Integrated Motion Compensation |
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Cited By (2)
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| CN114113314A (en) * | 2021-11-25 | 2022-03-01 | 厦门大学 | Marine disaster-causing biological underwater sound monitoring system and method for coastal nuclear power station |
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Application publication date: 20210507 |