CN201607805U - Earthquake protection warning system of nuclear reactor - Google Patents
Earthquake protection warning system of nuclear reactor Download PDFInfo
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- CN201607805U CN201607805U CN2010201002139U CN201020100213U CN201607805U CN 201607805 U CN201607805 U CN 201607805U CN 2010201002139 U CN2010201002139 U CN 2010201002139U CN 201020100213 U CN201020100213 U CN 201020100213U CN 201607805 U CN201607805 U CN 201607805U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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Abstract
The utility model provides an earthquake protection warning system of a nuclear reactor, which comprises a plurality of intelligent sensor modules and a main control unit that are connected into a data communication network through a twisted-pair cable. Each intelligent sensor module comprises a triaxial acceleration sensor, an A/D converter, a single chip microcomputer, a communication chip and a communication interface that are connected sequentially; and the main control unit comprises a main-control module, and a display, an audible-visual annunciator, a keyboard, a nuclear reactor emergency shutdown switching circuit and a communication interface circuit that are connected with the main-control module. The intelligent sensor modules are mounted on building supporting structure on the periphery of the nuclear reactor, so as to obtain the maximal monitoring area, and no detection blind zone or repeat detection zone appears; and after the information collected by each intelligent sensor module is calculated and compared by the main control unit, working personnel can judge whether an earthquake wave emerges and obtain the strength of the earthquake; in the case of a strong earthquake, the nuclear reactor is closed automatically and quickly, and the warning system gives an alarm to inform the working personnel to escape.
Description
Technical field
The utility model relates to nuclear reactor earthquake protection warning system, especially can be when earthquake takes place the earthquake protection warning system of quick closedown nuclear reactor.
Background technology
When nuclear reactor normally moves, produce the huge energy, for the mankind bring great wealth.If but nuclear reactor moves, then may produce huge disaster under abnomal condition.As: during the nuclear reactor operation earthquake takes place, of a specified duration if macroseism continued, system integrity very easily is damaged, and control rod can't fall into pipeline smoothly, may cause nuclear reactor fuel element to burn, and radioactivity is excessive, contaminated environment, casualties.Collapse when macroseism causes operation room, personnel are stranded or wrecked, can't carry out shutdown work, and reactor is operation in continuing vibrations, and great risk will be arranged, and consequence is hardly imaginable.So the nuclear reactor that is moving when macroseism takes place need be closed at once.But the mode of closing nuclear reactor at present is manual control emergency shut-down button, and the chief operator is responsible for controlling the ruuning situation of entire reaction heap, when occur earthquake or abnormal conditions at once manually control close nuclear reactor.But, if the people can't stand when earthquake takes place, can't run into the emergency shut-down button, or the part, house collapses and barrier occurs, the staff can't touch the emergency shut-down button, major accident will occur.And the psychological quality and the reaction capacity that take place operating personnel when earthquake also be a severe test, if error also can cause heavy losses, after the staff makes great efforts to manage to shut down, may lose the chance of escape again because of time delays.
Summary of the invention
The purpose of this utility model; be to adopt in order to overcome existing nuclear reactor emergency cut-off mode that personnel hand on duty is moving closes; can't operate because of the force majeure reason during macroseism; or operating personnel's reaction time is long, the deficiency that is prone to error; a kind of nuclear reactor earthquake protection warning system is provided; this earthquake protection warning system can not only be when violent earthquake takes place the fast automatic nuclear reactor of closing; and can send earthquake alarm to the staff; the guiding work personnel withdraw the room fast, hide the area to safety.
The purpose of this utility model is achieved in that native system comprises intelligence sensor module 6 and main control unit 7 two parts; Connect to form data communication network by twisted-pair feeder 14 between two parts.
Described intelligence sensor module 6 has several, is placed in around the nuclear reactor, is responsible for the exploration seismic ripple, and it is connected with main control unit 7 by twisted-pair feeder 14, and intelligence sensor module 6 comprises:
---3-axis acceleration sensor 1, be used for the acceleration information of exploration seismic, it is output as simulating signal, and this sensor has three output terminals;
---A/D converter 2, its input end is connected with the output terminal of 3-axis acceleration sensor 1, is used for the analog signal conversion of 3-axis acceleration sensor 1 output is become digital signal;
---single-chip microcomputer 3, its input end is connected with the output terminal of A/D converter 2, is used to receive the digital signal that A/D converter provides, and carries out analyzing and processing; It is output as the Transistor-Transistor Logic level signal;
---communication chip 4, its input end is connected with the output terminal of single-chip microcomputer 3, and the Transistor-Transistor Logic level conversion of signals that single-chip microcomputer is sent becomes the required level of 485 buses, is used for communicating by letter with main control unit 7;
---communication interface 5, its input end is connected with the output terminal of communication chip 4, is used to connect twisted-pair feeder 14;
Described main control unit 7 is responsible for receiving the seismic data that some intelligence sensor modules 6 are sent by data bus, the data that each intelligence sensor sent are carried out multi-sensor information fusion, determine accurate earthquake magnitude, determine whether closing nuclear reactor, main control unit 7 comprises:
---main control module 11, be used for storing control parameter, receive the geological data that intelligence sensor module 6 is sent, and these data and controlled variable are compared, make the instruction that whether stops the nuclear reactor operation; The startup of guide sound light crossing-signal 9 and nuclear reactor emergency shut-down on-off circuit 12; Its input end has keyboard interface, communication interface circuit interface, and its output terminal has display interface device, audible-visual annunciator interface, nuclear reactor EmS circuit interface;
---display 8, be used for the running status and the parameter of display system, its input end is connected with the output terminal display interface device of main control module 11;
---audible-visual annunciator 9, be used for when earthquake takes place, carrying out voice suggestion and light alarm, send phonetic order to the staff, and with light guiding work personnel escape route, its input end is connected with the audible-visual annunciator interface of main control module 11:
---keyboard 10, be used for inverse nuclear reaction heap earthquake protection warning system input controlled variable, its output terminal is connected with the input end keyboard interface of main control module 11;
---nuclear reactor emergency shut-down on-off circuit 12, be used for the quick closedown nuclear reactor, its switch connects nuclear reactor emergency shut-down button, and its input end is connected with the nuclear reactor EmS circuit interface of main control module 11;
---communication interface circuit 13, be used to receive the geological data of intelligence sensor module 6 by the data bus transmission, this circuit is responsible for converting 485 bus level to Transistor-Transistor Logic level, send main control module 11 again to, its input end connects twisted-pair feeder 14, and output terminal is connected with the communication interface circuit interface of main control module input end.
The installation method that native system uses is: according to laying nuclear reactor fabric structure characteristics, several intelligence sensor modules 6 are installed on around the nuclear reactor equipment on the buildings load-carrying members body, make every effort to obtain maximum monitoring area, and make it detection blind area or repetition search coverage not occur.
The principle of work of native system is: intelligence sensor module 6 is responsible for gathering suffered vibration data on the load-carrying members body, and send the data of each intelligence sensor module to main control unit 7 by network, carry out multi-sensor information fusion behind the data message that main control unit 7 each intelligence sensor modules 6 of reception are sent, the data that obtain after the fusion are handled data through main control module 11 usefulness Kalman filtering algorithms, again with default in that the data on the main control module 11 compare in the main control unit 7, determine whether it is seismic event, if seismic event, then the data of storing in its intensity and earthquake intensity and the main control module are compared, obtain accurate earthquake magnitude information, if violent earthquake, then main control module sends instruction, start nuclear reactor emergency shut-down on-off circuit 12, the quick closedown nuclear reactor, in the quick closedown nuclear reactor, audible-visual annunciator 9 in the main control unit 7 begins to report to the police, voice guard begins to report voice escape information, light flash prompting staff escape route.If earthquake magnitude is not strong, do not need to close immediately nuclear reactor, the voice guard of the audible-visual annunciator 9 in the main control unit 7 is reported current institute geodetic shake grade, and the operator on duty is carried out next step operation provides decision-making foundation.
The beneficial effects of the utility model are, can be when earthquake takes place fast detecting to seismic intensity and grade, determine whether closing automatically immediately nuclear reactor according to the gained data, its reaction speed of decision is higher than operator on duty's reaction velocity far away, prevented that the operator on duty from can't operate because of the force majeure reason when macroseism takes place, or lest flurried and error that produce has improved the safety coefficient of nuclear reactor when earthquake takes place; And can realize the warning of voice and light prompt, the guiding work personnel escape has improved the escape probability of staff under macroseism.
Description of drawings
Fig. 1 is a system global structure block diagram of the present utility model;
Fig. 2 is an intelligence sensor modular structure block diagram;
Fig. 3 is the intelligence sensor module circuit diagram;
Fig. 4 is the main control unit circuit diagram.
Among the figure, 1,3-axis acceleration sensor, 2, A/D converter, 3, single-chip microcomputer, 4, communication chip, 5, communication interface, 6, intelligence sensor module, 7, main control unit, 8, display, 9, audible-visual annunciator, 10, keyboard, 11, main control module, 12, nuclear reactor emergency shut-down on-off circuit, 13, communication interface circuit, 14, twisted-pair feeder.
Embodiment
Below in conjunction with drawings and Examples the utility model is further specified, but embodiment is not to qualification of the present utility model.
Embodiment: in Fig. 1, the communication interface circuit 13 that intelligence sensor module 6 connects in the main control unit 7 by twisted-pair feeder 14, communication interface circuit 13 connects the communication interface circuit interface of main control module 11 input ends, and the model that main control module adopts Ling Yang company to produce is that SPCE061A simplifies development board.Keyboard 10 is connected with the keyboard interface of main control module 11, and display 8, audible-visual annunciator 9, nuclear reactor emergency shut-down on-off circuit 12 connect display interface device, audible-visual annunciator interface, the nuclear reactor EmS circuit interface of main control module 11 respectively.
In Fig. 2,3-axis acceleration sensor 1, A/D converter 2, single-chip microcomputer 3, communication chip 4 are connected successively.The acceleration transducer model of selecting for use is ADXL330, is X, Y, Z 3-axis acceleration sensor, 16 pin chips; A/D converter 2 models are TLC2543,12 conversion accuracies, 20 pin chips; Single-chip microcomputer 3 models are 89C2051,20 pin chips; Communication chip 4 models are MAX485,8 pin chips.
In Fig. 3,3-axis acceleration sensor 1, the acceleration information of responsible exploration seismic, it is output as simulating signal, and its three output terminals are connected with three input ends of A/D converter.A/D converter 2 is used for the analog signal conversion of 3-axis acceleration sensor 1 output is become digital signal, and its output terminal is connected with the input end of single-chip microcomputer 3.Single-chip microcomputer 3 is used to receive the digital signal that A/D converter provides, and carries out analyzing and processing, and its output terminal connects the input end of communication chip.Communication chip 4, the Transistor-Transistor Logic level conversion of signals that single-chip microcomputer is sent becomes the required level of 485 buses, is used for communicating by letter with main control unit 7, and its output port connects the input end of communication interface 5.Communication interface 5 is used to connect twisted-pair feeder 14, and its output terminal connects twisted-pair feeder 14.
In Fig. 4, display 8 is used to show the running status and the parameter of this system, and its input end connects the display interface device of main control module 11.Audible-visual annunciator 9 is used for carrying out voice when earthquake takes place and light prompt is reported to the police, and sends phonetic order and wigwag to the staff, the guiding work personnel escape, and its input end connects the audible-visual annunciator interface of main control module 11.Keyboard 10 is used for inverse nuclear reaction heap earthquake protection warning system input controlled variable, and its output terminal connects the keyboard input interface of main control module 11.Main control module 11, be used for storing control parameter, receive the geological data that intelligence sensor module 6 is sent, and these data and controlled variable are compared, make and whether stop the instruction that nuclear reactor carries out, the startup of guide sound light crossing-signal 9 and nuclear reactor emergency shut-down on-off circuit 12, the input end of main control module 11 connect keyboard 10, communication interface circuit 13 respectively, and its output terminal connects display 8, audible-visual annunciator 9, nuclear reactor EmS circuit 12 respectively.Nuclear reactor emergency shut-down on-off circuit 12 is used for the quick closedown nuclear reactor, and its switch connects nuclear reactor emergency shut-down button, and its input end connects the nuclear reactor EmS circuit interface of main control module 11.Communication interface circuit 13, be used to receive the geological data of intelligence sensor module 6 by the data bus transmission, this circuit is responsible for converting 485 bus level to Transistor-Transistor Logic level, send main control module 11 again to, its input end connects twisted-pair feeder 14, and output terminal connects the communication interface circuit interface of main control module.
Claims (1)
1. nuclear reactor earthquake protection warning system, it is characterized in that: native system comprises intelligence sensor module (6) and main control unit (7) two parts; Connect to form data communication network by twisted-pair feeder (14) between two parts;
Described intelligence sensor module (6) has several, is placed in around the nuclear reactor, is responsible for the exploration seismic ripple, and it is connected with main control unit (7) by twisted-pair feeder (14), and intelligence sensor module (6) comprising:
-3-axis acceleration sensor (1) is used for the acceleration information of exploration seismic, and it is output as simulating signal, and this sensor has three output terminals;
-A/D converter (2), its input end is connected with the output terminal of 3-axis acceleration sensor (1), is used for the analog signal conversion of 3-axis acceleration sensor (1) output is become digital signal;
-single-chip microcomputer (3), its input end is connected with the output terminal of A/D converter (2), is used to receive the digital signal that A/D converter provides, and carries out analyzing and processing, and it is output as the Transistor-Transistor Logic level signal;
-communication chip (4), its input end is connected with the output terminal of single-chip microcomputer (3), and the Transistor-Transistor Logic level conversion of signals that single-chip microcomputer is sent becomes the required level of 485 buses, is used for communicating by letter with main control unit (7);
-communication interface (5), its input end is connected with the output terminal of communication chip (4), is used to connect twisted-pair feeder (14);
Described main control unit (7) is used to receive the seismic data that some intelligence sensor modules (6) are sent by data bus, the data that each intelligence sensor sent are carried out multi-sensor information fusion, determine accurate earthquake magnitude, determine whether closing nuclear reactor, main control unit (7) comprising:
-main control module (11) is used for storing control parameter, receives the geological data that intelligence sensor module (6) is sent, and these data and controlled variable are compared, and makes the instruction that whether stops the nuclear reactor operation; The startup of guide sound light crossing-signal (9) and nuclear reactor emergency shut-down on-off circuit (12); Its input end has keyboard interface, communication interface circuit interface, and its output terminal has display interface device, audible-visual annunciator interface, nuclear reactor EmS circuit interface;
-display (8) is used for the running status and the parameter of display system, and its input end is connected with the output terminal display interface device of main control module (11);
-audible-visual annunciator (9) is used for carrying out voice suggestion and light alarm when earthquake takes place, and sends phonetic order to the staff, and with light guiding work personnel escape route, its input end is connected with the audible-visual annunciator interface of main control module (11):
-keyboard (10) is used for inverse nuclear reaction heap earthquake protection warning system input controlled variable, and its output terminal is connected with the input end keyboard interface of main control module (11);
-nuclear reactor emergency shut-down on-off circuit (12) is used for the quick closedown nuclear reactor, and its switch connects nuclear reactor emergency shut-down button, and its input end is connected with the nuclear reactor EmS circuit interface of main control module (11);
-communication interface circuit (13), be used to receive the geological data of intelligence sensor module (6) by the data bus transmission, this circuit is responsible for converting 485 bus level to Transistor-Transistor Logic level, send main control module (11) again to, its input end connects twisted-pair feeder (14), and output terminal is connected with the communication interface circuit interface of main control module input end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201002139U CN201607805U (en) | 2010-01-22 | 2010-01-22 | Earthquake protection warning system of nuclear reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201002139U CN201607805U (en) | 2010-01-22 | 2010-01-22 | Earthquake protection warning system of nuclear reactor |
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| CN201607805U true CN201607805U (en) | 2010-10-13 |
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| CN2010201002139U Expired - Fee Related CN201607805U (en) | 2010-01-22 | 2010-01-22 | Earthquake protection warning system of nuclear reactor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102561743A (en) * | 2010-12-25 | 2012-07-11 | 鸿富锦精密工业（深圳）有限公司 | Mobile server room |
| CN106920579A (en) * | 2015-12-28 | 2017-07-04 | 上海核工程研究设计院 | A kind of automatic reactor shut-off system of nuclear power plant's digital seismic and method |
-
2010
- 2010-01-22 CN CN2010201002139U patent/CN201607805U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102561743A (en) * | 2010-12-25 | 2012-07-11 | 鸿富锦精密工业（深圳）有限公司 | Mobile server room |
| CN102561743B (en) * | 2010-12-25 | 2014-02-19 | 鸿富锦精密工业（深圳）有限公司 | Mobile server room |
| CN106920579A (en) * | 2015-12-28 | 2017-07-04 | 上海核工程研究设计院 | A kind of automatic reactor shut-off system of nuclear power plant's digital seismic and method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101013 Termination date: 20130122 |
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| CF01 | Termination of patent right due to non-payment of annual fee |