CN108225481A - Spent Fuel Pool level monitoring system and method under a kind of more operating conditions - Google Patents
Spent Fuel Pool level monitoring system and method under a kind of more operating conditions Download PDFInfo
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- CN108225481A CN108225481A CN201611128612.4A CN201611128612A CN108225481A CN 108225481 A CN108225481 A CN 108225481A CN 201611128612 A CN201611128612 A CN 201611128612A CN 108225481 A CN108225481 A CN 108225481A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 50
- 239000002915 spent fuel radioactive waste Substances 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 title claims abstract description 31
- 239000007788 liquid Substances 0.000 claims abstract description 74
- 239000000523 sample Substances 0.000 claims abstract description 29
- 230000005540 biological transmission Effects 0.000 claims abstract description 13
- 238000012545 processing Methods 0.000 claims abstract description 13
- 238000012512 characterization method Methods 0.000 claims abstract description 5
- 238000012546 transfer Methods 0.000 claims description 9
- 239000000446 fuel Substances 0.000 claims description 8
- 230000008054 signal transmission Effects 0.000 claims description 8
- 230000002159 abnormal effect Effects 0.000 claims description 4
- 230000002045 lasting effect Effects 0.000 claims description 2
- 230000005855 radiation Effects 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 claims 1
- 230000005619 thermoelectricity Effects 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000004891 communication Methods 0.000 description 6
- 238000001816 cooling Methods 0.000 description 2
- 208000033999 Device damage Diseases 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/284—Electromagnetic waves
Abstract
The present invention provides a kind of Spent Fuel Pool level monitoring systems, and including cabinet and sensor probe part, the cabinet includes signal transmitting and receiving module, signal processing module, power module and data outputting module.The signal transmitting and receiving module is used in cabinet to sensor probe transmitting signal and receives echo-signal, so as to generate the time difference signal of characterization liquid level information.The signal processing module is used to receive the time difference signal, and the time difference signal is converted into level switch signal and/or liquid level signal based on arrange parameter.The power module is used to power to the level monitoring system.The data outputting module is used to the level switch signal and/or liquid level signal being sent to data transmission channel.In addition, the system and method the present invention also provides Spent Fuel Pool level monitoring method and for the power supply of Spent Fuel Pool level monitoring system.
Description
Technical field
The invention belongs to nuclear power fields, and in particular to Spent Fuel Pool level monitoring system under a kind of more operating conditions of nuclear power plant
System.
Background technology
The spentnuclear fuel stored in spent nuclear fuel in nuclear power plant pond has stronger radioactivity, while also releases decay heat.
Water-filling and certain water level must be kept in Spent Fuel Pool, be radiated in one side shieding pond, on the other hand to fuel element into
Row cooling, therefore level monitoring is very crucial in Spent Fuel Pool.2011, in Fukushima, Japan accident, due to Spent Fuel Pool
Interior liquid level and temperature monitoring device damage, can not obtain the key parameters such as liquid level in pond；The water of Spent Fuel Pool region irradiation simultaneously
Flat height, harsh environmental conditions, live emergency worker are difficult to be repaired into the region, and Spent Fuel Pool is caused to be chronically at not
Controllable state has finally led to serious damage sequence.
Existing spent nuclear fuel in nuclear power plant pond cooling system has certain level monitoring ability, such as by setting two non-core
Grade float type liquid level switch, exporting high and low liquid level warning respectively, normal water-refilling operation is monitored to Spent Fuel Pool.But this
Kind monitoring system can not provide a wide range of interior Spent Fuel Pool level monitoring to cope with the major accident of similar Fukushima.And machinery
Component is more, tolerance can be lost after mechanical wear, and be also easy to produce failure.
Patent application CN201210432373.7 proposes a kind of device that continuous liquid level is measured using thermal resistance sensor.
But under the bad working environments such as high-temperature water vapor, sensor accuracy class will be affected.The device does not have alternate channel simultaneously,
Under communication cable fault condition, Spent Fuel Pool liquid level will lose monitoring.
Therefore, it is necessary to a kind of Spent Fuel Pool level monitoring system that may operate under various operating modes is taken, it can be in height
It is worked normally under heated steam and radiation environment, while can cope with and lose all external powers, Spent Fuel Pool and cannot enter and lead to
Interrogate the extreme accident situation such as cable fault.
Invention content
In view of the deficiencies of the prior art, the present invention provides a kind of Spent Fuel Pool level monitoring systems, realize normal
Operation and accident conditions under to Spent Fuel Pool continuous liquid level detection, especially can be in the harsh environments such as high-temperature water vapor and irradiation
Lower normal work, while can cope with and lose all external powers, Spent Fuel Pool and cannot enter and the extreme thing such as communication cable failure
Therefore situation.
According to the first aspect of the invention, a kind of Spent Fuel Pool level monitoring system is provided, including cabinet and sensing
Device probe segment, the cabinet include signal transmitting and receiving module, signal processing module, power module and data outputting module.
The signal transmitting and receiving module is used in cabinet to sensor probe transmitting signal and receives echo-signal, so as to generate characterization liquid
The time difference signal of position information.The signal processing module for receiving the time difference signal, and will be described based on arrange parameter when
Difference signal is converted into level switch signal and/or liquid level signal.The power module is used to power to the level monitoring system.
The data outputting module is used to the level switch signal and/or liquid level signal being sent to data transmission channel.
According to the second aspect of the invention, a kind of Spent Fuel Pool level monitoring method is provided, the method includes：It obtains
Take level switch signal and/or liquid level signal；Determine whether cable data output channel is normal, if normally, liquid level opened
OFF signal and/or liquid level signal are transmitted to wired data transfer channel；If abnormal, by level switch signal and/or liquid
Position signal transmission is to wired data transfer channel.This method further includes：Whether the supply of electric power of decision-making system comes from portable display
Device, if it is, level switch signal and/or liquid level signal are transferred to portable display channel；If it is not, then liquid-level switch
Signal and/or liquid level signal are transferred to normal output channel.
According to the third aspect of the invention we, a kind of electric power system is provided, for Spent Fuel Pool level monitoring system
Power supply.The electric power system includes：Power-supply system, including ups power system, ups power system is in the feelings for losing external power supply
It can be persistently to system power supply under condition；External power supply port, for connecting external power supply, the external power supply for mobile power or
Generator or power grid, so as to power for the level monitoring system；Portable display module, for losing all inside and outside power supplys
And system built-in power exhaust in the case of powered and read to the level monitoring system with the built-in power of portable display module
The liquid level information of level monitoring system.
According to the fourth aspect of the invention, a kind of side for powering to Spent Fuel Pool level monitoring system is provided
Method, the method are implemented by a kind of electric power system, and the electric power system includes power-supply system, external power supply port and portable display
Module, the method includes：Judge whether the power supply of external power supply port is normal；Judge whether the electric energy of the power-supply system consumes
To the greatest extent；If the abnormal electrical power supply of the external power supply port and electric energy of power-supply system exhausts, portable display module, portable display are enabled
Module is powered to the level monitoring system using its built-in power and reads the liquid level information of level monitoring system.
Description of the drawings
Attached drawing shows the example of all aspects of this disclosure, and its original for explaining the present invention together with specification
Reason.Those skilled in the art will appreciate that specific embodiment shown in the drawings is only exemplary, and they are not intended to limit
The scope of the present invention processed.In order to which exemplary embodiment of the present invention is more fully described so that those skilled in the art can be to this
Disclosed various aspects and its feature and advantage understand more thorough, with reference to the drawings, in the accompanying drawings：
Fig. 1 shows Spent Fuel Pool level monitoring system under the more operating conditions of nuclear power plant according to the present invention；
Fig. 2 shows the operation principles of Spent Fuel Pool level monitoring system under the more operating conditions of nuclear power plant according to the present invention；
Fig. 3 shows the operational process of Spent Fuel Pool level monitoring method under the more operating conditions of nuclear power plant according to the present invention.
Reference numeral in figure represents as follows：1- electromagnetic wave signal transceiver modules, 2- coaxial cables, 3- guided wave bars, 4- are same
Pipe spreader, 5- wireless transmitter modules, the normal output modules of 6-, the portable display modules of 7-, 8- signal processing modules, 9- external power supplies
Port, 10-UPS power-supply systems, 11- mounting flanges, 12- mounting brackets, 13- fixing brackets, 14- spentnuclear fuels pond, 15- fuel lattice
Frame, 16- guided wave radar sensors, 17- signal transmission handover modules, 18- wire transmission modules.
Specific embodiment
Certain terms are used to refer to particular system component from beginning to end in present specification.In present specification, with
Open form using term " comprising ", "comprising" and " having ", and therefore should be construed as meaning " including but it is unlimited
In ... ".In addition, the term " substantially " that may be used herein, " substantial " or " approx " being related to industry and being received
The tolerance to corresponding term.
In the following description, for illustrative purposes, illustrate many specific details in order to provide the thorough reason to the present invention
Solution.It however, it will be apparent to one skilled in the art that can be without these specific details
Implement the device of the invention, method and apparatus." embodiment ", " example " or referring to for similar language are meant in the present specification
At least that one embodiment or example are included in reference to the embodiment or the described a particular feature, structure, or characteristic of example
In, but can not necessarily be included in other embodiments or example.
Fig. 1 shows Spent Fuel Pool level monitoring system under a kind of more operating conditions of nuclear power plant.Level monitoring system master
It to be made of cabinet and sensor probe part.Sensor probe for example can be guided wave sensor probe or guided wave radar sensing
Device is popped one's head in.As shown in Figure 1, sensor probe includes guided wave bar 3（Also referred to as guided wave bar probe 3）With coaxial sleeve 4, guided wave
Bar 3 is inserted in coaxial sleeve 4.Sensor probe is fixed on by mounting flange 11 in mounting bracket 12, then passes through fixation
Stent 13 is fixed on the inner wall of Spent Fuel Pool 14, so as to meet shockproof requirements.The dismountable mode of sensor probe is installed
It is convenient for disassembly and assembly in Spent Fuel Pool 14.
As shown in fig. 1, cabinet is core grade special machine cabinet, the anti-irradiation of antidetonation heatproof, and degree of protection is high, it is ensured that each in it
A module works normally in particular circumstances.Cabinet is set near Spent Fuel Pool.Certainly, as those skilled in the art can be with
Understand, cabinet can be located at any other position that can realize its function.Cabinet can include signal transmitting and receiving module 1（Example
It such as can be electromagnetic wave signal transceiver module）, wireless transmitter module 5, normal output module 6, portable display module 7, at signal
Reason module 8, external power supply port 9 and power-supply system 10, these elements can be integrated in the inside of cabinet.Wireless hair
It penetrates module 5, normal output module 6 and portable display module 7 and is respectively used to three kinds of different output modes, they are formed together
Signal output module.
As shown in fig. 1, the top of sensor probe passes through cable 2（Such as coaxial cable）With the signal transmitting and receiving in cabinet
Module 1 is connected so that sensor probe and signal transmitting and receiving module 1 form liquid level sensor 16（Referring to Fig. 2）, in the present invention,
The liquid level sensor 16 is guided wave sensor.The bottom end of sensor probe is directed reach on the fuel screen work 15 in Spent Fuel Pool 14
Edge, it is possible thereby to meet Spent Fuel Pool water level exposed since fuel screen work 15 to the continuous level gauging section of full-water level
It is required that.Alternatively, meeting continuous level gauging section and required precision, can pop one's head in the guided wave bar of rod-type 3 replacements
It pops one's head in for cable formula or guided wave sensor 16 is substituted for thermal resistance liquid level sensor etc..
As described above, in the present invention, liquid level sensor or guided wave sensor are using split structure, electromagnetic wave signal
Transceiver module 1 is located in dedicated cabinet, is protected by cabinet, and in addition sensor probe itself is affected by environment minimum.This
It plants the split installation of electromagnetic wave signal transceiver module 1 and sensor probe and ensures in a manner that coaxial cable connects in height
It is worked normally under the mal-conditions such as heated steam and high irradiation.
Signal transmitting and receiving module 1 includes signal transmitting and receiving circuit and timing circuit（It is not shown in Fig. 1）.The signal transmitting and receiving circuit to
Sensor probe（Namely to guided wave bar 3）Emit signal（Such as high frequency electromagnetic wave signal）And receives echo-signal, then through meter
When circuit generate characterization liquid level information time difference signal.The time difference signal is sent to signal processing mould from signal transmitting and receiving module 1
Block 8.Signal processing module 8 includes parameter input configuration panel and signal transmitting device（It is not shown）.It is inputted by configuration panel weary
Fuel pit height parameter and key liquid level altitude information.According to actual demand, multigroup key liquid level height can be freely set, it is real
The alarm of existing multiple key liquid level monitoring points.According to the parameter set on configuration panel, signal transmitting device is by signal transmitting and receiving mould
The time difference signal that block 1 provides is converted into key liquid level switching signal and liquid level signal, and liquid level signal can be the simulation of 4-20mA
Signal, alternatively, liquid level signal can also be digital signals.Then the key liquid level switching signal and liquid level analog signal pass through
Data transmission channel is exported.
Spent Fuel Pool level monitoring system in Fig. 1 provides wired and wireless two kinds of data transmission channels, wherein wired
Channel is divided into as normal output channel and portable display channel, both output channels through communication cable respectively lead to master control room and
Emergency center（It is not shown in Fig. 1）.Portable display channel is alternate channel, is directly connected to portable display device, such as hand-held to read
Device (not shown) is read, passes through the measured level value of handheld reader output.It is losing built in all inside and outside power supplys and system
In the case of power depletion, liquid level information of powering and read is continued to system using handheld reader internal battery.It is in addition, wireless
Signal is sent wirelessly to long-range receiving terminal data transmission channel（It is not shown in Fig. 1）.
Wireless transmitter module 5 serves wireless data transmission channel, for input signal to be changed into wireless signal to send
To long-range receiving terminal, therefore alternatively referred to as wireless data output module.Normal output module 6 serves normal output channel, and
And portable display module 7 serves portable display channel.Normal output module 6 and portable display module 7 all provide standard grafting
Mouthful, signal is sent to by communication cable by master control room and emergency center respectively.Due to normal output module 6 and portable display module
7 serve wired data transfer channel, therefore normal output module 6 and portable display module 7 can also be collectively referred to as cable data
Output module.Wireless transmitter module 5 opens automatically under communication cable fault condition in the case of wired data transfer channel failure
It moves and works, so as to ensure the lasting monitoring of Spent Fuel Pool liquid level in special circumstances.Alternatively, wireless transmitter module 5 also may be used
Be automatically started according to the setting of system or the needs of user and be activated, for example, wireless transmitter module 5 can be by user
It manually boots as needed.
External power supply port 9 and power-supply system 10 form power supply module.Power-supply system 10 can be ups power system,
The built-in power of ups power system is sustainable to system power supply in forfeiture external power supply.External power supply port 9 is connection
The general-purpose interface of external power supply, one end connection power-supply system 10, for the other end for connecting external power supply, external power supply is all in this way
Mobile power or generator or power grid.
Fig. 2 shows the operation principles of Spent Fuel Pool level monitoring system according to the present invention.Using guided wave radar
In the case of sensor or guided wave sensor probe, the signal transmitting and receiving circuit of signal transmitting and receiving module 1 is high to 3 transmitting of guided wave bar probe
Frequency electromagnetic waves signal and receives echo-signal, then the timing circuit through signal transmitting and receiving module 1 generate characterization liquid level information when
Difference signal.The time difference signal is sent to signal processing module 8 from signal transmitting and receiving module 1.The signal transmitting of signal processing module 8
The time difference signal that signal transmitting and receiving module 1 provides is converted into key liquid level switch letter by device according to the parameter set on configuration panel
Number and 4-20mA liquid level analog signal.Then, the key liquid level switching signal and liquid level analog signal are transferred to signal biography
Defeated handover module 17.Signal transmission handover module 17 is set according to the electric power thus supplied of system or according to system, by the key liquid level
Switching signal and liquid level analog signal are transmitted to corresponding data transmission channel and are exported.For example, if monitoring system detectio arrives
Wired data transfer channel failure detects the selection signal from user or other equipment, then signal transmission handover module
17 can switch a signal into wireless transmitter module 5.Otherwise, signal transmission handover module 17 can switch a signal into wired biography
Defeated module 18.Alternatively, signal can be switched to wireless transmitter module 5 and wire transmission simultaneously by signal transmission handover module 17
Module 18.
Fig. 3 shows the operation stream of Spent Fuel Pool level monitoring method under the more operating conditions of nuclear power plant according to the present invention
Journey.As shown in FIG., method starts from 310.Then, at frame 320, pass through guided wave sensor 16 and signal processing module 8
（As shown in fig. 1）To obtain level switch signal and liquid level signal.At frame 330, signal transmission handover module 17（Such as Fig. 2
Shown in）Judge whether cable data output channel is normal.If cable data output channel is normal, method is carried out to box
340, level switch signal and liquid level signal are switched or are sent to cable data output module 18, cable data output module 18
Send the signal to wired data transfer channel.If cable data output channel trouble or failure, method are carried out to frame
335, level switch signal and liquid level signal are switched or are sent to wireless data output module 5, and wireless data output module 5 will
Signal is sent to wireless data transmission channel.
With continued reference to Fig. 3, after box 340, system continued to determine whether after frame 350 external power supply lose and
Whether internal electric source exhausts or judges the supply of electric power of system from portable display device.If external power supply lose and
Internal electric source exhausts or the supply of electric power of system comes from portable display device, then method advances to frame 360, liquid-level switch letter
Number and liquid level signal be switched or be sent to portable display module 7.If external power supply is not lost or internal electric source does not exhaust or
The supply of electric power of person's system is not from portable display device, then method advances to frame 355, level switch signal and liquid level signal
It is switched or is sent to normal output module 6.
Description in the comprehensive present invention, liquid level sensor or guided wave sensor are using split structure, this split type knot
Structure ensures that liquid level sensor works normally under the mal-conditions such as high-temperature water vapor and high irradiation.Signal three channels of output point,
Wherein portable display channel is directly used in portable unit and checks liquid level information, is directly provided in accident to emergency center weary
Fuel pit liquid level information, and system power supply can be given；Signal is changed into wireless signal and is sent to far by wireless data transmission channel
Journey receiving terminal cannot enter in Spent Fuel Pool and the extreme accident such as communication cable failure remains to effectively provide weary combustion
Expect pond liquid level information.Built-in power can lose external power persistently to system power supply, ensure system normal level prison
It surveys, while the general-purpose interface of reserved connection mobile power or generator, external temporary source is facilitated to access.
Although the embodiment according to limited quantity describes the present invention, above description, the art are benefited from
It is interior it is clear for the skilled person that in the scope of the present invention thus described, it can be envisaged that other embodiments.Even if it will be appreciated that not
The purpose of the application can also be realized, and step can be added into process steps by performing method according to the sequence in process steps
It is rapid or be removed from step.Certain features described in the context of various embodiments should not be considered as those embodiments
Essential feature, unless the embodiment is invalid in the case of those no elements.
Claims (16)
1. a kind of Spent Fuel Pool level monitoring system, including cabinet and sensor probe part, the cabinet includes signal
Transceiver module, signal processing module, power module and data outputting module, wherein
The signal transmitting and receiving module is used in cabinet to sensor probe transmitting signal and receives echo-signal, so as to generate table
Levy the time difference signal of liquid level information；
The signal processing module is used to receive the time difference signal, and the time difference signal is converted into liquid based on arrange parameter
Bit switch signal and/or liquid level signal；
The power module is used to power to the level monitoring system；
The data outputting module is used to the level switch signal and/or liquid level signal being sent to data transmission channel.
2. system according to claim 1, wherein the sensor probe is guided wave bar probe or cable formula probe or thermoelectricity
Blocking solution level sensor is popped one's head in.
3. system according to claim 1, wherein the data outputting module includes wireless data output module and wired
Data outputting module, the wireless data output module start and work automatically in wired data transfer channel failure,
So as to ensure the lasting monitoring of Spent Fuel Pool liquid level in special circumstances.
4. system according to claim 3, the cable data output module includes normal output module and portable display
Module, for being used in systems in operation, the portable display module is used to lose the normal output module
All inside and outside power supplys and system built-in power exhaust in the case of using to send liquid level information to portable display device.
5. system according to claim 1, wherein the cabinet is core grade cabinet, for the resistance to mild radiation protection of antidetonation, institute
It states signal transmitting and receiving module to connect with sensor probe by coaxial cable, the signal transmitting and receiving module is by coaxial cable to described
Sensor probe emits the signal, and the signal is electromagnetic wave signal.
6. system according to claim 1, wherein the portable display module passes through portable display channel and portable display
Equipment connects, and the portable display device can utilize its built-in power by portable display channel and portable display module to institute
State level monitoring system power supply.
7. system according to claim 1, wherein the signal processing module, which includes parameter, inputs configuration panel, described group
State panel is for inputting Spent Fuel Pool height parameter and liquid level data, so as to fulfill the alarm of multiple level monitoring points.
8. system according to claim 1, wherein the sensor probe is fixed on mounting bracket vertically through mounting flange
On, fuel screen work upper edge is directed reach in bottom end, meets shockproof requirements.
9. system according to claim 1, wherein the power module includes power-supply system and external power supply port, it is described
Power-supply system includes ups power system, and in the case that losing, external power is sustainable to system power supply, the external power supply port
It is the general-purpose interface for connecting mobile power or generator.
10. according to the system described in any one of claim 1-9, further include：Signal transmission handover module, for according to system
Electric power thus supplied or set according to system, the level switch signal and/or liquid level signal are transmitted to different data transmissions leads to
Road.
11. a kind of Spent Fuel Pool level monitoring method, the method includes：
Obtain level switch signal and/or liquid level signal；
Determine whether cable data output channel is normal,
If normal, level switch signal and/or liquid level signal are transmitted to wired data transfer channel；
If abnormal, level switch signal and/or liquid level signal are transmitted to wired data transfer channel.
12. it according to the method for claim 11, further includes：
Whether the supply of electric power of decision-making system comes from portable display device,
If it is, level switch signal and/or liquid level signal are transferred to portable display channel；
If it is not, then level switch signal and/or liquid level signal are transferred to normal output channel.
13. according to the method for claim 11, this method is implemented by Spent Fuel Pool level monitoring system, the spentnuclear fuel
Pond liquid level monitoring system includes cabinet and sensor probe part, and the cabinet includes signal transmitting and receiving module, wherein obtaining
Level switch signal and/or liquid level signal include：
The signal transmitting and receiving module emits signal and receives echo-signal in cabinet to sensor probe, so as to generate characterization liquid
The time difference signal of position information.
14. according to the method for claim 13, wherein the signal being launched is electromagnetic wave signal.
15. a kind of electric power system, for powering to Spent Fuel Pool level monitoring system, the electric power system includes：
Power-supply system, including ups power system, ups power system can be persistently to system in the case where losing external power supply
Power supply；
External power supply port, for connecting external power supply, the external power supply is mobile power or generator or power grid, so as to for
The level monitoring system power supply；
Portable display module, for being exhausted in all inside and outside power supplys of forfeiture and system built-in power with portable display mould
The built-in power of block powers to the level monitoring system and reads the liquid level information of level monitoring system.
16. a kind of method for powering to Spent Fuel Pool level monitoring system, the method is implemented by a kind of electric power system,
The electric power system includes power-supply system, external power supply port and portable display module, the method includes：
Judge whether the power supply of external power supply port is normal；
Judge whether the electric energy of the power-supply system exhausts；
If the abnormal electrical power supply of the external power supply port and electric energy of power-supply system exhausts, portable display module is enabled, it is portable aobvious
Show that module is powered to the level monitoring system using its built-in power and reads the liquid level information of level monitoring system.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110853781A (en) * | 2019-10-24 | 2020-02-28 | 中广核工程有限公司 | Comprehensive monitoring system and method for spent fuel pool of nuclear power station |
| CN112729460A (en) * | 2020-12-28 | 2021-04-30 | 宁波铭瑞中兴电子科技有限公司 | Liquid amount detection method and system applying UPS (uninterrupted Power supply), intelligent terminal and storage medium |
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| CN110853781A (en) * | 2019-10-24 | 2020-02-28 | 中广核工程有限公司 | Comprehensive monitoring system and method for spent fuel pool of nuclear power station |
| CN110853781B (en) * | 2019-10-24 | 2021-12-03 | 中广核工程有限公司 | Comprehensive monitoring system and method for spent fuel pool of nuclear power station |
| CN112729460A (en) * | 2020-12-28 | 2021-04-30 | 宁波铭瑞中兴电子科技有限公司 | Liquid amount detection method and system applying UPS (uninterrupted Power supply), intelligent terminal and storage medium |
| CN112729460B (en) * | 2020-12-28 | 2024-03-19 | 宁波铭瑞中兴电子科技有限公司 | Liquid amount detection method and system using UPS (uninterrupted Power supply), intelligent terminal and storage medium |
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