CN102157212B - Indicating method and system for nuclear power plant back-up control panel - Google Patents
Indicating method and system for nuclear power plant back-up control panel Download PDFInfo
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- CN102157212B CN102157212B CN2010105643358A CN201010564335A CN102157212B CN 102157212 B CN102157212 B CN 102157212B CN 2010105643358 A CN2010105643358 A CN 2010105643358A CN 201010564335 A CN201010564335 A CN 201010564335A CN 102157212 B CN102157212 B CN 102157212B
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Abstract
The invention relates to an indicating method for a nuclear power plant back-up control panel, comprising the following steps of: S1, receiving an equipment control signal of a nuclear power plant; S2, carrying out logic processing on the equipment control signal to generate a logic processing result; and S3, outputting an indicating signal of the logic processing result. The invention also relates to an indicating system for the nuclear power plant back-up control panel, comprising a receiving module, a logic processing module and an outputting module, wherein the receiving module is used for receiving the equipment control signal of the nuclear power plant; the logic processing module is used for carrying out logic processing on the equipment control signal to generate the logic processing result; and the outputting module is used for outputting the indicating signal of the logic processing result. By adopting the indicating method and system for the nuclear power plant back-up control panel, provided by the invention, the comprehensive indicating function is realized, the reliability of a nuclear power plant operating function is improved, the equipment fault and the circuit fault are found out in time, the equipment failure operation rate is reduced and the safety is enhanced.
Description
Technical field
The present invention relates to nuclear power station running technology field, more particularly, relate to a kind of indicating means and system of nuclear power station console panel platform.
Background technology
Adopt in the world in the nuclear power station of Digitizing And Control Unit as control mode at present; Employing is main control mode with the computing machine; Though Digitizing And Control Unit has adopted sufficient redundancy, have higher reliability, still exist the possibility that loses the computerize control device.Therefore; Employing is that the nuclear power station master-control room of master's control mode generally all is provided with reserve console panel platform with the computerized work station; This reserve console panel platform is equipped with conventional pilot lamp, window annunciator, operating switch hardware devices such as (tape lights); Preventing that at computerized work station be under master's the disabled situation of control mode, be compelled shutdown immediately, shutdown owing to losing monitoring, with security, availability and the economy of raising unit.
The operating switch of band indicating module is widely used in nuclear power station control field; But the indicating module of traditional operating switch can only be indicated state of the art and deviation; With the pilot lamp is example; Some operating equipment is tape light not, realizes that through indicating equipment independently the operating switch that has only has two pilot lamp.Generally can only realize partial deviations functions such as " unavailable ", " open overtime or close overtime ".
Reserve console panel platform is because the singularity of its function; Indication test function and test pattern need be set, be used for testing indicating module whether can operate as normal and the test back-up disk on the function of operating switch whether can send to the control rack of Digitizing And Control Unit.These two functional requirements be do not have in the design of traditional indicating module advised.
Summary of the invention
The technical matters that the present invention will solve is; Can not realize indicating the defective of test function and test pattern to the reserve console panel platform of the nuclear power station of prior art; Provide a kind of realization comprehensive deixis, improve the reliability of nuclear power station operating function, in time discovering device fault and line fault; Minimizing equipment tripping rate, the indicating means and the system of the nuclear power station reserve console panel platform of raising security.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of indicating means of nuclear power station reserve console panel platform, comprising the equipment controling signal of step: S1, reception nuclear power station; S2, said equipment controling signal is carried out logical process, produce the logical process result; S3, export indicator signal according to said logical process result; Wherein said equipment controling signal comprises that indication response test signal, equipment are opened feedback signal, equipment closes feedback signal and test signal is sent in indication.
In the indicating means of nuclear power station reserve console panel platform of the present invention, among the said step S1, said equipment controling signal comprises that also signal is opened in indication, signal and equipment failure signal are closed in indication.
In the indicating means of nuclear power station reserve console panel platform of the present invention, the logical process of the equipment controling signal among the said step S2 comprises: first logical process: signal and said indication are opened in said indication send test signal and carry out and handle; Second logical process: to said indication send test signal and said equipment failure signal carry out with non-processing after, obtain first with non-result, open feedback signal to said first with non-result and said equipment again and carry out and handle; The 3rd logical process: signal and said indication are closed in said indication send test signal and carry out and handle; The 4th logical process: to said indication send test signal and said equipment failure signal carry out with non-processing after, obtain second with non-result, carry out and processing with non-result and said equipment light signal said second again; The 5th logical process: said equipment opened feedback signal is non-to be handled said indication that back and signal keep and open signal and carry out and handle, obtain first and result; Said equipment closed feedback signal is non-to be handled said indication that back and signal keep and close signal and carry out and handle, obtain second and result; Carry out or handle with result with result and said second said first.
In the indicating means of nuclear power station reserve console panel platform of the present invention, said step S3 comprises: export first indicator signal according to the said first logical process result, the said second logical process result or indication response test signal; Export second indicator signal according to said the 3rd logical process result, said the 4th logical process result or indication response test signal; Export the 3rd indicator signal according to said the 5th logical process result, equipment failure signal and indication response test signal.
In the indicating means of nuclear power station reserve console panel platform of the present invention, comprise step: S4 after the S3, carry out the equipment state indication according to said indicator signal.
The present invention also constructs a kind of indication mechanism of nuclear power station reserve console panel platform, comprising receiver module: the equipment controling signal that is used to receive nuclear power station; Logic processing module: be used for said equipment controling signal is carried out logical process, produce the logical process result; And output module: be used for exporting indicator signal according to said logical process result; Wherein said equipment controling signal comprises that indication response test signal, equipment are opened feedback signal, equipment closes feedback signal and test signal is sent in indication.
In the indication mechanism of nuclear power station reserve console panel platform of the present invention, said equipment controling signal comprises that also signal is opened in indication, signal and equipment failure signal are closed in indication.
In the indication mechanism of nuclear power station reserve console panel platform of the present invention, said logic processing module comprises: first Logical processing unit: be used for that signal and said indication are opened in said indication and send test signal and carry out and handle; Second Logical processing unit: be used for to said indication send test signal and said equipment failure signal carry out with non-processing after, obtain first with non-result, open feedback signal to said first with non-result and said equipment again and carry out and handle; The 3rd Logical processing unit: be used for that signal and said indication are closed in said indication and send test signal and carry out and handle; The 4th Logical processing unit: be used for to said indication send test signal and said equipment failure signal carry out with non-processing after, obtain second with non-result, carry out and processing with non-result and said equipment light signal said second again; And the 5th Logical processing unit: be used for said equipment opened that feedback signal is non-to be handled said indication that back and signal keep and open signal and carry out and handle, obtain first and result; Said equipment closed feedback signal is non-to be handled said indication that back and signal keep and close signal and carry out and handle, obtain second and result; Carry out or handle with result with result and said second said first.
In the indication mechanism of nuclear power station reserve console panel platform of the present invention, said output module comprises: first output unit: the result or the indication response test signal that are used for the result according to said first Logical processing unit, said second Logical processing unit are exported first indicator signal; Second output unit: the result or the indication response test signal that are used for the result according to said the 3rd Logical processing unit, said the 4th Logical processing unit are exported second indicator signal; And the 3rd output unit: the result, equipment failure signal and the indication response test signal that are used for according to said the 5th Logical processing unit are exported the 3rd indicator signal.
In the indication mechanism of nuclear power station reserve console panel platform of the present invention, the indication mechanism of said nuclear power station reserve console panel platform also comprises: indicating module: be used for carrying out the equipment state indication according to said indicator signal.
The indicating means and the system of the nuclear power station reserve console panel platform of embodiment of the present invention; Has following beneficial effect: realize comprehensive deixis such as indication test function and test pattern; Improve the reliability of nuclear power station operating function; In time discovering device fault and line fault reduce equipment tripping rate, improve security.
Description of drawings
To combine accompanying drawing and embodiment that the present invention is described further below, in the accompanying drawing:
Fig. 1 is the process flow diagram of first preferred embodiment of the indicating means of nuclear power station reserve console panel platform of the present invention;
Fig. 2 is the process flow diagram of second preferred embodiment of the indicating means of nuclear power station reserve console panel platform of the present invention;
Fig. 3 is the structural representation of first preferred embodiment of the indication mechanism of nuclear power station reserve console panel platform of the present invention;
Fig. 4 is the structural representation of second preferred embodiment of the indication mechanism of nuclear power station reserve console panel platform of the present invention;
Fig. 5 is the structural representation of the 3rd preferred embodiment of the indication mechanism of nuclear power station reserve console panel platform of the present invention;
Fig. 6 is the logical organization block diagram of preferred embodiment of the indication mechanism of nuclear power station reserve console panel platform of the present invention.
Embodiment
In order to make the object of the invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
In the process flow diagram of first preferred embodiment of the indicating means of nuclear power station reserve console panel platform of the present invention shown in Figure 1; The indicating means of said nuclear power station reserve console panel platform starts from step 100; Subsequently, to next step 101, receive the equipment controling signal of nuclear power station; Subsequently,, said equipment controling signal is carried out logical process, produce the logical process result to next step 102; Subsequently, to next step 103, export indicator signal according to said logical process result; This method ends at step 104 at last; Wherein said equipment controling signal comprises that indication response test signal, equipment are opened feedback signal, equipment closes feedback signal and test signal is sent in indication.Can realize the indication test function of nuclear power station reserve console panel platform and the function of test pattern through the indicating means that uses this nuclear power station reserve console panel platform.The effect of wherein indicating test function is whether inspection indicating module itself has fault.Because the problem that indicating module itself or line fault cause can be found through the indication test, so that in time keep in repair, in order to avoid mislead operator.The functional test of operating switch is under the test pattern of reserve console panel platform, to carry out.Reserve console panel platform is provided with three kinds of duties: monitoring mode, test pattern and control model; Monitoring mode can only detect the operation conditions of nuclear power plant equipment; Control model then can be controlled the equipment of nuclear power station, and test pattern is the function operate as normal whether that will test operating switch on the reserve console panel platform, specifically is exactly under this pattern; Equipment sends equipment when opening feedback signal; Send the signal that equipment has been opened through indicating module, when equipment sends equipment pass feedback signal, send the signal that equipment has been closed through indicating module; Be used for controller that whether equipment controling signal can be dealt into digital control system normally cashier's office in a shop, and judge from the control rack whether normal to path the indicating module.
As the preferred embodiment of the indicating means of nuclear power station reserve console panel platform of the present invention, as shown in Figure 6, said equipment controling signal comprises that also signal is opened in indication, signal and equipment failure signal are closed in indication.The logical process of equipment controling signal comprises: first logical process: signal and said indication are opened in said indication send test signal and carry out and handle; Second logical process: to said indication send test signal and said equipment failure signal carry out with non-processing after, obtain first with non-result, open feedback signal to said first with non-result and said equipment again and carry out and handle; The 3rd logical process: signal and said indication are closed in said indication send test signal and carry out and handle; The 4th logical process: to said indication send test signal and said equipment failure signal carry out with non-processing after, obtain second with non-result, carry out and processing with non-result and said equipment light signal said second again; The 5th logical process: said equipment opened feedback signal is non-to be handled said indication that back and signal keep and open signal and carry out and handle, obtain first and result; Said equipment closed feedback signal is non-to be handled said indication that back and signal keep and close signal and carry out and handle, obtain second and result; Carry out or handle with result with result and said second said first.Export first indicator signal according to the said first logical process result, the said second logical process result or indication response test signal; Export second indicator signal according to said the 3rd logical process result, said the 4th logical process result or indication response test signal; Export the 3rd indicator signal according to said the 5th logical process result, equipment failure signal and indication response test signal.
Below through specify the implementation of the indicating means of above-mentioned nuclear power station reserve console panel platform as indicating module with pilot lamp:
The switch deixis: under the normal condition, when equipment is opened feedback signal and occurred, export first indicator signal, red light is bright, and equipment closes feedback signal when occurring, and exports second indicator signal, and green light is bright.If but reserve console panel platform is in test pattern, promptly sent and indicated when sending test signal, two lamps all do not work; When the equipment failure signal occurring, two lamps all do not work; When indication response test signal occurred, two lamps all can be bright.
Indication test function: for whether the pilot lamp on the checked operation switch breaks down; On reserve console panel platform, be provided with the indication testing button; When the indication testing button is pressed; Promptly send indication response test signal, export first, second and the 3rd indicator signal, pilot lamp all on the card is all bright.
The deviation deixis: the content of deviation indication is many, and the deviation that nuclear power station reserve console panel platform is considered mainly contains the content of following several sections:
1) actuating equipment is unavailable
2) actuating equipment leaves or closes
3) actuating equipment leaves overtime or closes overtime
4) two 0 faults
5) two 1 faults
6) protection occurs during the manual ON operation of actuating equipment and close signal
Occur protection when 7) actuating equipment manually closes operation and open signal
Actuating equipment is unavailable; Occur protection when overtime, manual ON operation left, opens by actuating equipment and close signal, perhaps judge when topworks protection occurs when closing, closing the operation of overtime, manual pass and opens the situation of signal, send the equipment failure signal; Export the 3rd indicator signal, amber light is bright; Two 1 faults are meant that signal is opened in appearance indication simultaneously and equipment is opened feedback signal, and two 0 faults are meant that occurring indication simultaneously closes signal and equipment pass feedback signal, at this moment also export the 3rd indicator signal, and amber light is bright.
The back-up disk test function: test pattern is the function operate as normal whether that will test operating switch on the back-up disk; Under test pattern; Equipment sends equipment when opening feedback signal; Sending the signal that equipment opened through indicating module is that red light is bright, and when equipment sent equipment and closes feedback signal, sending the signal that equipment closed through indicating module was that green light is bright; Be used for controller that whether equipment controling signal can be dealt into digital control system normally cashier's office in a shop, and judge from the control rack whether normal to path the indicating module.Under the test pattern, indicator signal can directly not output to actuating equipment.Send test signal when receiving indication, signal is opened in indication or signal is closed in indication and do not receive, and then red light and green light all do not work; Send test signal when receiving indication, also receive indication simultaneously and open signal, then export first indicator signal, point sends out a warning; Send test signal when receiving indication, also receive indication simultaneously and close signal, then export second indicator signal, point gives a green light.
The present invention combines the switch deixis on the reserve console panel platform, indication test function, back-up disk test function and deviation deixis cleverly, has solved the indication needs of problems of reserve console panel platform under different mode through digital Control Technology.
In the process flow diagram of second preferred embodiment of the indicating means of nuclear power station reserve console panel platform of the present invention shown in Figure 2; The indicating means of said nuclear power station reserve console panel platform starts from step 200; Subsequently, to next step 201, receive the equipment controling signal of nuclear power station; Subsequently,, said equipment controling signal is carried out logical process, produce the logical process result to next step 202; Subsequently, to next step 203, export indicator signal according to said logical process result; Subsequently, to next step 204, carry out the equipment state indication according to said indicator signal, this method ends at step 205 at last.Through the real-time status of simple indicating equipment (like pilot lamp etc.) indicating equipment, simple and convenient, in time discovering device fault and line fault, the security that improves nuclear power plant equipment.
The present invention also constructs a kind of indication mechanism of nuclear power station reserve console panel platform; In the structural representation of first preferred embodiment of the indication mechanism of nuclear power station reserve console panel platform of the present invention shown in Figure 3; The indication mechanism of said nuclear power station reserve console panel platform comprises receiver module 1, logic processing module 2 and output module 3, and receiver module 1 is used to receive the equipment controling signal of nuclear power station; Logic processing module 2 is used for said equipment controling signal is carried out logical process, produces the logical process result; Output module 3: be used for exporting indicator signal according to said logical process result; Wherein said equipment controling signal comprises that indication response test signal, equipment are opened feedback signal, equipment closes feedback signal and test signal is sent in indication.Can realize the indication test function of nuclear power station reserve console panel platform and the function of test pattern through the indication mechanism of using this nuclear power station reserve console panel platform.The effect of wherein indicating test function is whether inspection indicating module itself has fault.Because the problem that indicating module itself or line fault cause can be found through the indication test, so that in time keep in repair, in order to avoid mislead operator.The functional test of operating switch is under the test pattern of reserve console panel platform, to carry out.Reserve console panel platform is provided with three kinds of duties: monitoring mode, test pattern and control model; Monitoring mode can only detect the operation conditions of nuclear power plant equipment; Control model then can be controlled the equipment of nuclear power station, and test pattern is the function operate as normal whether that will test operating switch on the reserve console panel platform, specifically is exactly under this pattern; Equipment sends equipment when opening feedback signal; Send the signal that equipment has been opened through indicating module, when equipment sends equipment pass feedback signal, send the signal that equipment has been closed through indicating module; Be used for controller that whether equipment controling signal can be dealt into digital control system normally cashier's office in a shop, and judge from the control rack whether normal to path the indicating module.
As the preferred embodiment of the indication mechanism of nuclear power station reserve console panel platform of the present invention, like Fig. 4, shown in 6, said equipment controling signal comprises that also signal is opened in indication, signal and equipment failure signal are closed in indication.Said logic processing module 2 comprises: first Logical processing unit 21: be used for that signal and said indication are opened in said indication and send test signal and carry out and handle; Second Logical processing unit 22: be used for to said indication send test signal and said equipment failure signal carry out with non-processing after, obtain first with non-result, open feedback signal to said first with non-result and said equipment again and carry out and handle; The 3rd Logical processing unit 23: be used for that signal and said indication are closed in said indication and send test signal and carry out and handle; The 4th Logical processing unit 24: be used for to said indication send test signal and said equipment failure signal carry out with non-processing after, obtain second with non-result, carry out and processing with non-result and said equipment light signal said second again; And the 5th Logical processing unit 25: be used for said equipment opened that feedback signal is non-to be handled said indication that back and signal keep and open signal and carry out and handle, obtain first and result; Said equipment closed feedback signal is non-to be handled said indication that back and signal keep and close signal and carry out and handle, obtain second and result; Carry out or handle with result with result and said second said first.Said output module 3 comprises: first output unit 31: the result or the indication response test signal that are used for the result according to said first Logical processing unit 21, said second Logical processing unit 22 are exported first indicator signal; Second output unit 32: the result or the indication response test signal that are used for the result according to said the 3rd Logical processing unit 23, said the 4th Logical processing unit 24 are exported second indicator signal; And the 3rd output unit 33: the result, equipment failure signal and the indication response test signal that are used for according to said the 5th Logical processing unit 25 are exported the 3rd indicator signal.
The present invention combines the switch deixis on the reserve console panel platform, indication test function, back-up disk test function and deviation deixis cleverly; Solved the indication needs of problems of reserve console panel platform under different mode through digital Control Technology, concrete implementation procedure is said with method.
In the structural representation of the 3rd preferred embodiment of the indication mechanism of nuclear power station reserve console panel platform of the present invention shown in Figure 5; The indication mechanism of said nuclear power station reserve console panel platform also comprises indicating module, and indicating module is used for carrying out the equipment state indication according to said indicator signal.Through the real-time status of simple indicating equipment (like pilot lamp etc.) indicating equipment, simple and convenient, in time discovering device fault and line fault, the security that improves nuclear power plant equipment.
The above is merely embodiments of the invention; Be not so limit claim of the present invention; Every equivalent structure transformation that utilizes instructions of the present invention and accompanying drawing content to be done, or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (6)
1. the indicating means of a nuclear power station reserve console panel platform is characterized in that, comprises step:
The equipment controling signal of S1, reception nuclear power station;
S2, said equipment controling signal is carried out logical process, produce the logical process result;
S3, export indicator signal according to said logical process result;
Wherein said equipment controling signal comprises that indication response test signal, equipment are opened feedback signal, equipment closes feedback signal and test signal is sent in indication;
The logical process of the equipment controling signal among the said step S2 comprises:
First logical process: signal and said indication are opened in said indication send test signal and carry out and handle;
Second logical process: to said indication send test signal and said equipment failure signal carry out with non-processing after, obtain first with non-result, open feedback signal to said first with non-result and said equipment again and carry out and handle;
The 3rd logical process: signal and said indication are closed in said indication send test signal and carry out and handle;
The 4th logical process: to said indication send test signal and said equipment failure signal carry out with non-processing after, obtain second with non-result, carry out and processing with non-result and said equipment light signal said second again;
The 5th logical process: said equipment opened feedback signal is non-to be handled said indication that back and signal keep and open signal and carry out and handle, obtain first and result; Said equipment closed feedback signal is non-to be handled said indication that back and signal keep and close signal and carry out and handle, obtain second and result; Carry out or handle with result with result and said second said first;
Said step S3 comprises:
Result or indication response test signal according to the result of said first logical process, said second logical process are exported first indicator signal;
Result or indication response test signal according to the result of said the 3rd logical process, said the 4th logical process are exported second indicator signal;
Result, equipment failure signal and indication response test signal according to said the 5th logical process are exported the 3rd indicator signal.
2. the indicating means of nuclear power station reserve console panel platform according to claim 1 is characterized in that, among the said step S1, said equipment controling signal comprises that also signal is opened in indication, signal and equipment failure signal are closed in indication.
3. the indicating means of nuclear power station reserve console panel platform according to claim 1 is characterized in that, comprises step after the S3:
S4, carry out equipment state indication according to said indicator signal.
4. the indication mechanism of a nuclear power station reserve console panel platform is characterized in that, comprising:
Receiver module (1): the equipment controling signal that is used to receive nuclear power station;
Logic processing module (2): be used for said equipment controling signal is carried out logical process, produce the logical process result; And
Output module (3): be used for exporting indicator signal according to said logical process result;
Wherein said equipment controling signal comprises that indication response test signal, equipment are opened feedback signal, equipment closes feedback signal and test signal is sent in indication;
Said logic processing module (2) comprising:
First Logical processing unit (21): be used for that signal and said indication are opened in said indication and send test signal and carry out and handle;
Second Logical processing unit (22): be used for to said indication send test signal and said equipment failure signal carry out with non-processing after; Obtain first with non-result, open feedback signal to said first with non-result and said equipment again and carry out and handle;
The 3rd Logical processing unit (23): be used for that signal and said indication are closed in said indication and send test signal and carry out and handle;
The 4th Logical processing unit (24): be used for to said indication send test signal and said equipment failure signal carry out with non-processing after, obtain second with non-result, carry out and processing with non-result and said equipment light signal said second again; And
The 5th Logical processing unit (25): be used for said equipment opened that feedback signal is non-to be handled said indication that back and signal keep and open signal and carry out and handle, obtain first and result; Said equipment closed feedback signal is non-to be handled said indication that back and signal keep and close signal and carry out and handle, obtain second and result; Carry out or handle with result with result and said second said first;
Said output module (3) comprising:
First output unit (31): the result or the indication response test signal that are used for result, said second Logical processing unit (22) according to said first Logical processing unit (21) are exported first indicator signal;
Second output unit (32): the result or the indication response test signal that are used for result, said the 4th Logical processing unit (24) according to said the 3rd Logical processing unit (23) are exported second indicator signal; And
The 3rd output unit (33): the result, equipment failure signal and the indication response test signal that are used for according to said the 5th Logical processing unit (25) are exported the 3rd indicator signal.
5. the indication mechanism of nuclear power station reserve console panel platform according to claim 4 is characterized in that, said equipment controling signal comprises that also signal is opened in indication, signal and equipment failure signal are closed in indication.
6. the indication mechanism of nuclear power station reserve console panel platform according to claim 4 is characterized in that, the indication mechanism of said nuclear power station reserve console panel platform also comprises:
Indicating module (4): be used for carrying out the equipment state indication according to said indicator signal.
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| CN103165207B (en) * | 2011-12-13 | 2015-12-09 | 中广核工程有限公司 | Be applicable to sequence control method and the system of nuclear power station |
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| CN103337266A (en) * | 2013-05-27 | 2013-10-02 | 中国核电工程有限公司 | Back-up disk function analytic method of nuclear power plant using digital man-machine interface |
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| CN111292862B (en) * | 2020-03-27 | 2021-12-17 | 江苏核电有限公司 | Emergency reactor shutdown method based on signal state of safety important instrument of nuclear power plant |
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| US5465497A (en) * | 1994-02-22 | 1995-11-14 | General Electric Company | Control rod drive uncoupling tool gage |
| CN101483076A (en) * | 2009-01-05 | 2009-07-15 | 中国广东核电集团有限公司 | Nuclear power plant experiment control system and nuclear power plant monitoring equipment |
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|---|---|
| CN102157212A (en) | 2011-08-17 |
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Address after: 518023 No. 69 Shennan Middle Road, Shenzhen, Guangdong, Futian District Co-patentee after: CHINA GENERAL NUCLEAR POWER Corp. Patentee after: CHINA NUCLEAR POWER ENGINEERING Co.,Ltd. Address before: 518023 No. 69 Shennan Middle Road, Shenzhen, Guangdong, Futian District Co-patentee before: CHINA GUANGDONG NUCLEAR POWER GROUP Co.,Ltd. Patentee before: CHINA NUCLEAR POWER ENGINEERING Co.,Ltd. |
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