CN107272050A - Nuclear power plant's seismic monitoring method, apparatus and system - Google Patents
Nuclear power plant's seismic monitoring method, apparatus and system Download PDFInfo
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- CN107272050A CN107272050A CN201710455137.XA CN201710455137A CN107272050A CN 107272050 A CN107272050 A CN 107272050A CN 201710455137 A CN201710455137 A CN 201710455137A CN 107272050 A CN107272050 A CN 107272050A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 127
- 238000000034 method Methods 0.000 title claims abstract description 38
- 238000001228 spectrum Methods 0.000 claims abstract description 36
- 238000012806 monitoring device Methods 0.000 claims description 37
- 230000001133 acceleration Effects 0.000 claims description 25
- 238000001514 detection method Methods 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 6
- 230000001960 triggered effect Effects 0.000 abstract description 4
- 238000013461 design Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
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- 208000015181 infectious disease Diseases 0.000 description 1
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- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/01—Measuring or predicting earthquakes
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Abstract
The invention discloses a kind of nuclear power plant's seismic monitoring method, apparatus and system, seismic monitoring method includes：When monitoring that earthquake occurs, obtain several main free survey stations before triggering moment in preset time period of monitoring sensor and ring and answer time course data, nuclear island basal layer seismic response time course data；Free field earthquake response spectrum is calculated respectively and free field standard adds up absolute velocity, and nuclear island basal layer earthquake response spectrum is calculated respectively and nuclear island basal layer standard adds up absolute velocity；Shutdown is then triggered when free field earthquake response spectrum and free field standard add up absolute velocity more than default shutdown threshold value more than default shutdown threshold value or nuclear island basal layer earthquake response spectrum and the accumulative absolute velocity of nuclear island basal layer standard.Compared with prior art, add up the parameter that absolute velocity is evaluated as earthquake effect this invention takes earthquake response spectrum and standard, can stablize and evaluate exactly the influence and earthquake intensity of earthquake motion, it is to avoid false triggering.
Description
Technical field
The invention belongs to nuclear power station technical field, it is more particularly related to a kind of nuclear power plant's seismic monitoring method,
Apparatus and system.
Background technology
According to GB50267-97《Code for seismic design of unclear power plants》And NB/T20076-2012《Nuclear power plant's seismic instrument is accurate
Then》Related request, nuclear power plant must design earthquake monitoring device with evaluate nuclear power plant operation during may occur earthquake motion,
With the dynamic influence that safety is run to nuclear power plant of effective Earthquake occurrence control.Earthquake monitoring device by whole nuclear power plant site free field with
And factory building structures Typical Representative place arranges multiple seismic signal sensors to monitor earthquake motion, and by series of algorithms point
Send master control room to decide whether to take shutdown work for operator result after analysis, earthquake alarm signal is simultaneously emitted by if necessary.
At present, the earthquake monitoring device that domestic many two generations add nuclear power projects to use mainly is passed comprising many three axial accelerations
Sensor, multiple peak accelerator meters and multiple seismic switch.Wherein, three axial geophones gather the direction of monitoring point three in real time
Acceleration signal, after 10s is arrived before any one signal is automatic data collection and processing earthquake generation more than 0.01g timed units
30s earthquake motion data.The earthquake alarm signal of this kind of earthquake monitoring device is by being arranged on the basis of containment and Zhi Lvzhan factories
The vector and/or vertical acceleration component that the seismic switch in room detects its horizontal component of peak accelerator value two are more than or equal to
Triggered after deciding by vote during 0.1g through " two from three " logic, the alarm signal of triggering send 1＆2 units master control room to alarm simultaneously.
Meanwhile, the earthquake monitoring device that current nuclear power projects are used sends out peak accelerator more than given threshold as earthquake
Raw judgment basis.
But, there is following defect in this seismic monitoring method：
The wrong report of this non-destructive earthquake of near earthquake, small shake may be caused, because even earthquake motion peak acceleration compares
Greatly, but if earthquake motion radio-frequency component is abundant, the energy of earthquake motion on the contrary may be than relatively low, and the operation to nuclear power plant can't make
Into destroying infection.Therefore, current nuclear power plant's earthquake monitoring device uses peak ground acceleration (Peak Ground
Acceleration, PGA) as differentiating whether nuclear power plant needs the parameter of shutdown and unreasonable, operations staff may be caused to touch
Hair Reactor trip device causes the unnecessary shutdown of nuclear power plant, causes economic loss.
Secondly, the earthquake monitoring device that current nuclear power projects are used only is monitoring to send report to operator after the earthquake
It is alert, watched by operator and manual shutdown is decided whether after geological data.This has not only aggravated the work load of operator
There is the risk of human error in operation.
In view of this, it is necessory to provide a kind of nuclear power plant's seismic monitoring method that can reduce false triggering, apparatus and system.
The content of the invention
It is an object of the invention to：The deficiencies in the prior art are overcome to reduce nuclear power plant's earthquake of false triggering there is provided a kind of
Monitoring method, apparatus and system.
In order to realize foregoing invention purpose, the invention provides a kind of nuclear power plant's seismic monitoring method, it includes following step
Suddenly：
When monitoring that earthquake occurs, several main monitoring sensors are obtained before the triggering moment in preset time period
Free survey stations ring and answer time course data, nuclear island basal layer seismic response time course data；
Ring that to answer time course data to calculate free field earthquake response spectrum and free field standard respectively tired according to the free survey stations
Absolute velocity is counted, nuclear island basal layer earthquake response spectrum and core are calculated according to the nuclear island basal layer seismic response time course data respectively
Island basal layer standard adds up absolute velocity；And
Exceed default shutdown threshold value or nuclear island base when free field earthquake response spectrum and free field standard add up absolute velocity
Plinth layer earthquake response spectrum and nuclear island basal layer standard add up absolute velocity and then trigger shutdown more than default shutdown threshold value.
Improved as one kind of nuclear power plant's seismic monitoring method of the present invention, main monitoring sensor includes：Free field is carried out
The free field acceleration transducer of monitoring, the nuclear island basal layer acceleration transducer being monitored to nuclear island basal layer.
Improved as one kind of nuclear power plant's seismic monitoring method of the present invention, it is described when monitoring that earthquake occurs, including：
When any main monitoring sensor detects earthquake more than pre-detection threshold value, then earthquake is judged.
Improved as one kind of nuclear power plant's seismic monitoring method of the present invention, methods described also includes：
When monitoring that earthquake occurs, start auxiliary monitoring sensor.
Improved as one kind of nuclear power plant's seismic monitoring method of the present invention, the auxiliary monitoring sensor includes：To safety
Containment building sensor that shell factory building is monitored, the shielding factory building sensor being monitored to shielding factory building.
Improved as one kind of nuclear power plant's seismic monitoring method of the present invention, methods described also includes：
When P ripples monitoring sensor, which detects P-wave, exceedes default P ripple threshold values, earthquake pre-warning information is sent.
Improved as one kind of nuclear power plant's seismic monitoring method of the present invention, the P ripples monitoring sensor includes：Around nuclear power
Several geophones that factory is set.
In order to realize foregoing invention purpose, present invention also offers a kind of nuclear power plant's earthquake monitoring device, it includes：
Respond module occurs for earthquake, is used for：When monitoring that earthquake occurs, several main monitoring sensors are obtained described
Nuclear island basal layer seismic response time course data before triggering moment in preset time period；
Computing module, is used for：Being rung according to the free survey stations answers time course data to calculate free field earthquake response spectrum respectively
Add up absolute velocity with free field standard, nuclear island basal layer is calculated according to the nuclear island basal layer seismic response time course data respectively
Earthquake response spectrum and nuclear island basal layer standard add up absolute velocity；And
Shutdown module, is used for：Exceed default stop when free field earthquake response spectrum and free field standard add up absolute velocity
Heap threshold value or nuclear island basal layer earthquake response spectrum and nuclear island basal layer standard add up absolute velocity and exceed default shutdown threshold value,
Then trigger shutdown.
Improved as one kind of nuclear power plant's earthquake monitoring device of the present invention, main monitoring sensor includes：Free field is carried out
The free field acceleration transducer of monitoring, the nuclear island basal layer acceleration transducer being monitored to nuclear island basal layer.
Improved as one kind of nuclear power plant's earthquake monitoring device of the present invention, it is described when monitoring that earthquake occurs, including：
When any main monitoring sensor detects earthquake more than pre-detection threshold value, then earthquake is judged.
Improved as one kind of nuclear power plant's earthquake monitoring device of the present invention, described device also includes：
Auxiliary examination module, is used for：When monitoring that earthquake occurs, start auxiliary monitoring sensor.
Improved as one kind of nuclear power plant's earthquake monitoring device of the present invention, the auxiliary monitoring sensor includes：To safety
Containment building sensor that shell factory building is monitored, the shielding factory building sensor being monitored to shielding factory building.
Improved as one kind of nuclear power plant's earthquake monitoring device of the present invention, described device also includes：
P ripple monitoring modulars, are used for：When P ripples monitoring sensor, which detects P-wave, exceedes default P ripple threshold values, send ground
Shake warning information.
Improved as one kind of nuclear power plant's earthquake monitoring device of the present invention, the P ripples monitoring sensor includes：Around nuclear power
Several geophones that factory is set.
In order to realize foregoing invention purpose, invention further provides a kind of nuclear power plant's earthquake monitoring system, it includes
Foregoing nuclear power plant's earthquake monitoring device, main monitoring sensor, auxiliary monitoring sensor, P ripples monitoring sensor, nuclear power plant's earthquake prison
Device is surveyed to communicate to connect with main monitoring sensor, auxiliary monitoring sensor, P ripples monitoring sensor respectively.
Compared with prior art, nuclear power plant's seismic monitoring method of the invention, device, have the following effects that：
Take earthquake response spectrum and standard and add up the parameter that absolute velocity is evaluated as earthquake effect, can it is relatively stable and
The influence and earthquake intensity of earthquake motion are evaluated exactly, it is to avoid false triggering.
Brief description of the drawings
With reference to the accompanying drawings and detailed description, to nuclear power plant's seismic monitoring method of the present invention, device and its beneficial effect
Fruit is described in detail.
Fig. 1 is a kind of workflow diagram of nuclear power plant's seismic monitoring method of the invention.
Fig. 2 is a kind of apparatus module figure of nuclear power plant's earthquake monitoring device of the invention.
Fig. 3 is the system module figure of nuclear power plant's earthquake monitoring system.
Fig. 4 is the workflow diagram of preferred embodiment.
Embodiment
In order that goal of the invention, technical scheme and its advantageous effects of the present invention become apparent from, below in conjunction with accompanying drawing
And embodiment, the present invention will be described in further detail.It should be appreciated that the specific reality described in this specification
Apply mode to explain the present invention, be not intended to limit the present invention.
Referring to Fig. 1, a kind of workflow diagram of nuclear power plant's seismic monitoring method of the invention, including：Step S101, works as prison
When measuring earthquake generation, several free field earthquakes of the main monitoring sensor before the triggering moment in preset time period are obtained
Respond time course data, nuclear island basal layer seismic response time course data；
Step S102, rings according to the free survey stations and answers time course data to calculate free field earthquake response spectrum and freedom respectively
Field standard adds up absolute velocity, calculates nuclear island basal layer earthquake respectively according to the nuclear island basal layer seismic response time course data anti-
It should compose and add up absolute velocity with nuclear island basal layer standard；
Step S103, exceedes default shutdown threshold when free field earthquake response spectrum and free field standard add up absolute velocity
Value or nuclear island basal layer earthquake response spectrum and nuclear island basal layer standard add up absolute velocity and then triggered more than default shutdown threshold value
Shutdown.
Specifically, when monitoring that earthquake occurs, step S101 is triggered, number of passes when obtaining nuclear island basal layer seismic response
According to then in step s 102, being rung according to free survey stations and answer time course data or nuclear island basal layer seismic response time course data point
The earthquake response spectrum and standard for not calculating at 2 points add up absolute velocity (CAVSTD), and in step s 103, with earthquake response spectrum
Add up absolute velocity to judge parameter with standard, judge whether to trigger shutdown.It can specifically be carried out by triggering shutdown controller
Shutdown, and the triggering alarm in shutdown.
Add up the parameter that absolute velocity is evaluated as earthquake effect due to taking earthquake response spectrum and standard, therefore can pick
Except less nondestructive small shake, near earthquake is influenceed, energy is relatively stable and evaluates the influence and earthquake intensity of earthquake motion exactly, it is to avoid
False triggering.
In one embodiment of nuclear power plant's seismic monitoring method of the present invention, main monitoring sensor includes：Free field is entered
The free field acceleration transducer of row monitoring, the nuclear island basal layer acceleration transducer being monitored to nuclear island basal layer.
It is described when monitoring that earthquake occurs in one embodiment of nuclear power plant's seismic monitoring method of the present invention, including：
When any main monitoring sensor detects earthquake more than pre-detection threshold value, then earthquake is judged.
When main monitoring sensor includes free field acceleration transducer, nuclear island basal layer acceleration transducer, work as freedom
Field acceleration transducer detects earthquake and detects earthquake more than pre-detection threshold value or nuclear island basal layer acceleration transducer and exceed
Pre-detection threshold value, then judge earthquake.
In one embodiment of nuclear power plant's seismic monitoring method of the present invention, methods described also includes：
When monitoring that earthquake occurs, start auxiliary monitoring sensor.
The present embodiment increases auxiliary monitoring sensor, to increase the collection to geological data, is easy to the later stage to earthquake conditions
Analyzed.
In one embodiment of nuclear power plant's seismic monitoring method of the present invention, the auxiliary monitoring sensor includes：To peace
Containment building sensor that full shell factory building is monitored, the shielding factory building sensor being monitored to shielding factory building.
In one embodiment of nuclear power plant's seismic monitoring method of the present invention, methods described also includes：
When P ripples monitoring sensor, which detects P-wave, exceedes default P ripple threshold values, earthquake pre-warning information is sent.
The present embodiment takes P-wave prediction policy, and larger S ripples are destroyed because P-wave speed is faster than, therefore
With early warning is carried out before devastatingly seismic wave (S ripples) is reached, manipulation can be increased compared with being alarmed after the shake that prior art is used
The reaction time of member.
In one embodiment of nuclear power plant's seismic monitoring method of the present invention, the P ripples monitoring sensor includes：Around core
Several geophones that power plant is set.
Referring to Fig. 2, a kind of apparatus module figure of nuclear power plant's earthquake monitoring device of the invention, including：
Respond module 201 occurs for earthquake, is used for：When monitoring that earthquake occurs, obtain several main monitoring sensors and exist
Nuclear island basal layer seismic response time course data before the triggering moment in preset time period；
Computing module 202, is used for：Being rung according to the free survey stations answers time course data to calculate free field earthquake response respectively
Spectrum and free field standard add up absolute velocity, and nuclear island basis is calculated respectively according to the nuclear island basal layer seismic response time course data
Layer earthquake response spectrum and nuclear island basal layer standard add up absolute velocity；
Shutdown module 203, is used for：When free field earthquake response spectrum and free field standard add up absolute velocity more than default
Shutdown threshold value or nuclear island basal layer earthquake response spectrum and nuclear island basal layer standard add up absolute velocity and exceed default shutdown threshold
Value, then trigger shutdown.
Improved as one kind of nuclear power plant's earthquake monitoring device of the present invention, main monitoring sensor includes：Free field is carried out
The free field acceleration transducer of monitoring, the nuclear island basal layer acceleration transducer being monitored to nuclear island basal layer.
Improved as one kind of nuclear power plant's earthquake monitoring device of the present invention, it is described when monitoring that earthquake occurs, including：
When any main monitoring sensor detects earthquake more than pre-detection threshold value, then earthquake is judged.
Improved as one kind of nuclear power plant's earthquake monitoring device of the present invention, described device also includes：
Auxiliary examination module, is used for：When monitoring that earthquake occurs, start auxiliary monitoring sensor.
Improved as one kind of nuclear power plant's earthquake monitoring device of the present invention, the auxiliary monitoring sensor includes：To safety
Containment building sensor that shell factory building is monitored, the shielding factory building sensor being monitored to shielding factory building.
Improved as one kind of nuclear power plant's earthquake monitoring device of the present invention, described device also includes：
P ripple monitoring modulars, are used for：When P ripples monitoring sensor, which detects P-wave, exceedes default P ripple threshold values, send ground
Shake warning information.
Improved as one kind of nuclear power plant's earthquake monitoring device of the present invention, the P ripples monitoring sensor includes：Around nuclear power
Several geophones that factory is set.
Referring to Fig. 3, a kind of system module figure of nuclear power plant's earthquake monitoring system, including foregoing nuclear power plant's earthquake
Monitoring device 31, main monitoring sensor 32, auxiliary monitoring sensor 33, P ripples monitoring sensor 34, nuclear power plant's earthquake monitoring device
31 communicate to connect with main monitoring sensor 32, auxiliary monitoring sensor 33, P ripples monitoring sensor 34 respectively.
Wherein, nuclear power plant's earthquake monitoring device 31 includes data acquisition module 311, power supply module 312, central processing unit mould
Block 313, peripheral hardware and communication interface modules 314.Main monitoring sensor 32 includes the free field sensor of nuclear power plant, nuclear island basal layer and passed
Sensor.Auxiliary examination sensor 33 includes two containment building sensors, shielding factory building sensor.P ripples monitor sensor 34
It is included near nuclear power plant site and multiple geophones is set.Nuclear power plant's earthquake monitoring device 31 can also be obtained by special interface
The Monitoring Data of seismological bureau's surveillance network 35 is obtained, the data of earthquake monitoring stations and networks can be used as nuclear power plant to run and refer to.Nuclear power factory site
Shake monitoring device 31 is also communicated to connect with master control room 36, shutdown controller 37, to master control room 36 and to pass through shutdown controller 37
Carry out shutdown.
Referring to Fig. 4, be the workflow diagram of preferred embodiment, including：
Step S401, it is pre- when the geophone group being distributed in around factory site detects P ripples to master control room to send earthquake
Alert information；
Step S402, free field acceleration transducer or nuclear island basal layer acceleration transducer detect earthquake exceed set
Determine to start all acceleration transducers progress data acquisitions during threshold value, and Earthquake triggering alarm is sent to master control room；
Step S403, automatically analyzes the free field and nuclear island basal layer seismic response time course data before Earthquake triggering after 30S,
Earthquake response spectrum is calculated respectively and standard adds up absolute velocity.
Relative to prior art, advantage specific as follows of the invention：
1st, P-wave prediction policy is taken, the function with the early warning before devastatingly seismic wave (S ripples) is reached, with mesh
Alarm, which is compared, after the shake of preceding use can increase the reaction time of operator.
2nd, take earthquake response spectrum and standard adds up the parameter that absolute velocity is evaluated as earthquake effect, can be relatively stable
The influence and earthquake intensity of earthquake motion are evaluated exactly.
3rd, new earthquake shutdown alarming logic is taken, as free field earthquake response spectrum and CAVSTDExceed design load or
Nuclear island basal layer earthquake response spectrum and CAVSTDMore than design load when send alarm and trigger shutdown work, influence can be rejected
Less nondestructive small shake, near earthquake.
4th, automatic shutdown strategy is employed, when earthquake Monitoring Data meets shutdown decision logic after computing, system is certainly
It is dynamic to send out shutdown signal, trigger series reaction heap shutdown work.
The announcement and teaching of book according to the above description, those skilled in the art in the invention can also be to above-mentioned embodiment party
Formula carries out appropriate change and modification.Therefore, the invention is not limited in embodiment disclosed and described above, to this
Some modifications and changes of invention should also be as falling into the scope of the claims of the present invention.Although in addition, this specification
In used some specific terms, but these terms are merely for convenience of description, do not constitute any limitation to the present invention.
Claims (15)
1. a kind of nuclear power plant's seismic monitoring method, it is characterised in that comprise the following steps：
When monitor earthquake occur when, obtain several it is main monitoring sensors before the triggering moment in preset time period from
By earthquake response time course data, nuclear island basal layer seismic response time course data；
Ring that to answer time course data to calculate free field earthquake response spectrum and free field standard respectively accumulative exhausted according to the free survey stations
To speed, nuclear island basal layer earthquake response spectrum and nuclear island base are calculated according to the nuclear island basal layer seismic response time course data respectively
Plinth layer standard adds up absolute velocity；And
Exceed default shutdown threshold value or nuclear island basal layer when free field earthquake response spectrum and free field standard add up absolute velocity
Earthquake response spectrum and nuclear island basal layer standard add up absolute velocity and then trigger shutdown more than default shutdown threshold value.
2. nuclear power plant's seismic monitoring method according to claim 1, it is characterised in that main monitoring sensor includes：To certainly
The free field acceleration transducer being monitored by field, the nuclear island basal layer acceleration sensing being monitored to nuclear island basal layer
Device.
3. nuclear power plant's seismic monitoring method according to claim 1, it is characterised in that described to monitor earthquake
When, including：
When any main monitoring sensor detects earthquake more than pre-detection threshold value, then earthquake is judged.
4. nuclear power plant's seismic monitoring method according to claim 1, it is characterised in that methods described also includes：
When monitoring that earthquake occurs, start auxiliary monitoring sensor.
5. nuclear power plant's seismic monitoring method according to claim 4, it is characterised in that the auxiliary monitoring sensor bag
Include：The containment building sensor being monitored to containment building, the shielding factory building sensor being monitored to shielding factory building.
6. according to nuclear power plant's seismic monitoring method according to any one of claims 1 to 5, it is characterised in that methods described is also
Including：
When P ripples monitoring sensor, which detects P-wave, exceedes default P ripple threshold values, earthquake pre-warning information is sent.
7. nuclear power plant's seismic monitoring method according to claim 6, it is characterised in that the P ripples monitoring sensor includes：
Several geophones set around nuclear power plant.
8. a kind of nuclear power plant's earthquake monitoring device, it is characterised in that including：
Respond module occurs for earthquake, is used for：When monitoring that earthquake occurs, several main monitoring sensors are obtained in the triggering
Nuclear island basal layer seismic response time course data before moment in preset time period；
Computing module, is used for：Rung according to the free survey stations and answer time course data to calculate free field earthquake response spectrum and oneself respectively
Absolute velocity is added up by field standard, nuclear island basal layer earthquake is calculated according to the nuclear island basal layer seismic response time course data respectively
Response spectrum and nuclear island basal layer standard add up absolute velocity；And
Shutdown module, is used for：Exceed default shutdown threshold when free field earthquake response spectrum and free field standard add up absolute velocity
Value or nuclear island basal layer earthquake response spectrum and nuclear island basal layer standard add up absolute velocity and exceed default shutdown threshold value, then touch
Send out shutdown.
9. nuclear power plant's earthquake monitoring device according to claim 8, it is characterised in that main monitoring sensor includes：To certainly
The free field acceleration transducer being monitored by field, the nuclear island basal layer acceleration sensing being monitored to nuclear island basal layer
Device.
10. nuclear power plant's earthquake monitoring device according to claim 8, it is characterised in that described to monitor earthquake
When, including：
When any main monitoring sensor detects earthquake more than pre-detection threshold value, then earthquake is judged.
11. nuclear power plant's earthquake monitoring device according to claim 8, it is characterised in that described device also includes：
Auxiliary examination module, is used for：When monitoring that earthquake occurs, start auxiliary monitoring sensor.
12. nuclear power plant's earthquake monitoring device according to claim 11, it is characterised in that the auxiliary monitoring sensor bag
Include：The containment building sensor being monitored to containment building, the shielding factory building sensor being monitored to shielding factory building.
13. nuclear power plant's earthquake monitoring device according to any one of claim 8~12, it is characterised in that described device
Also include：
P ripple monitoring modulars, are used for：When P ripples monitoring sensor, which detects P-wave, exceedes default P ripple threshold values, earthquake is sent pre-
Alert information.
14. nuclear power plant's earthquake monitoring device according to claim 13, it is characterised in that the P ripples monitor sensor bag
Include：Several geophones set around nuclear power plant.
15. a kind of nuclear power plant's earthquake monitoring system, it is characterised in that including the nuclear power any one of claim 8~14
Factory's earthquake monitoring device, main monitoring sensor, auxiliary monitoring sensor, P ripples monitoring sensor, nuclear power plant's earthquake monitoring device point
Not with main monitoring sensor, auxiliary monitoring sensor, the monitoring sensor communication connection of P ripples.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107180655A (en) * | 2017-04-06 | 2017-09-19 | 广东核电合营有限公司 | A kind of automatic reactor shut-off system of reactor |
| WO2021097897A1 (en) * | 2019-11-18 | 2021-05-27 | 中广核工程有限公司 | Earthquake early-warning and monitoring system and method for nuclear power plant |
| CN113623908A (en) * | 2021-08-12 | 2021-11-09 | 珠海格力节能环保制冷技术研究中心有限公司 | Centrifugal water chilling unit and anti-seismic operation control method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107180655A (en) * | 2017-04-06 | 2017-09-19 | 广东核电合营有限公司 | A kind of automatic reactor shut-off system of reactor |
| WO2021097897A1 (en) * | 2019-11-18 | 2021-05-27 | 中广核工程有限公司 | Earthquake early-warning and monitoring system and method for nuclear power plant |
| CN113623908A (en) * | 2021-08-12 | 2021-11-09 | 珠海格力节能环保制冷技术研究中心有限公司 | Centrifugal water chilling unit and anti-seismic operation control method thereof |
| CN113623908B (en) * | 2021-08-12 | 2023-02-28 | 珠海格力节能环保制冷技术研究中心有限公司 | Centrifugal water chilling unit and anti-seismic operation control method thereof |
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| Publication number | Publication date |
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| CN107272050B (en) | 2019-10-25 |
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