CN114493966A - Intelligent monitoring, early warning and analyzing method, system and terminal for nuclear material transportation state - Google Patents
Intelligent monitoring, early warning and analyzing method, system and terminal for nuclear material transportation state Download PDFInfo
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Abstract
The invention discloses a method, a system and a terminal for intelligently monitoring, early warning and analyzing a nuclear material transportation state, and relates to the technical scheme that the key points of the method are as follows: calculating to obtain dynamic early warning acceleration, and judging whether the dynamic early warning acceleration is greater than low threshold acceleration or not; starting an overrun alarm program according to the pre-alarm signal; screening out abnormal attitude working conditions in the transportation attitude working conditions according to the standard state working conditions; and acquiring the environmental information of the current time node in real time according to the abnormal attitude working condition. The invention can realize continuous monitoring of various impacts and vibrations generated by nuclear materials in the processes of transportation, loading and unloading, and carry out vector sum operation on triaxial acceleration, thereby realizing reliable pre-alarm and over-limit alarm; and the transportation state of the nuclear material in the corresponding time can be automatically analyzed and recorded according to the abnormal detection result, the probability of missing of abnormal condition recording is low, the alarm accords with the real operation condition, and the transportation monitoring of the nuclear material in the later period is facilitated.
Description
Technical Field
The invention relates to the technical field of nuclear material transportation, in particular to an intelligent monitoring and early warning analysis method, system and terminal for a nuclear material transportation state.
Background
The nuclear materials can generate various impacts and vibrations in the transportation, loading and unloading processes, any impacts and vibrations exceeding the regulations can damage the transported nuclear materials, sometimes the damages are inherent and cannot be directly observed by naked eyes, and the nuclear materials can be scrapped seriously, so that the alarm and the record are scientifically carried out on the impacts and the vibrations in the transportation process, and the analysis on the impact and vibration data in the transportation process after the transportation is finished is particularly important.
At present, a three-axis vibration acceleration recorder which is high in speed acquisition and powered by a long-acting battery is adopted for monitoring the impact vibration in the transportation process of nuclear materials, is accurate in measurement and reliable in data, has domestic advanced level, and can be widely applied to monitoring and recording the vibration acceleration in transportation of nuclear materials, power equipment, precise large-piece equipment and precious and fragile products. However, in the existing impact vibration acceleration recorder alarm mode, the alarm is realized when the acceleration of any single shaft reaches the alarm threshold value, and the actual transportation condition cannot be met. For example, when the alarm threshold is set to be large, part of abnormal situations may be missed; when the alarm threshold value is small, the alarm frequency is too high, and the normal transportation of the nuclear materials is influenced to a great extent.
Therefore, how to research and design intelligent monitoring and early warning analysis method, system and terminal for nuclear material transportation state
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide an intelligent monitoring and early warning analysis method, system and terminal for a nuclear material transportation state.
The technical purpose of the invention is realized by the following technical scheme:
in a first aspect, an intelligent monitoring and early warning analysis method for a nuclear material transportation state is provided, which comprises the following steps:
acquiring the triaxial acceleration of the nuclear material in the transportation process in real time;
calculating according to the triaxial acceleration to obtain dynamic early warning acceleration, and judging whether the dynamic early warning acceleration is greater than the low threshold acceleration or not; if the current value is larger than the preset value, outputting a pre-alarm signal to warn;
starting an overrun alarm program according to the pre-alarm signal, and judging whether the dynamic early-warning acceleration is larger than the high threshold acceleration after the overrun alarm program is started; if the current time is greater than the preset time, outputting a transportation attitude analysis signal;
the method comprises the steps of calling triaxial acceleration data in a preset analysis period according to a transportation attitude analysis signal, simulating a transportation attitude working condition of a nuclear material in the preset analysis period according to the triaxial acceleration data, and screening an abnormal attitude working condition in the transportation attitude working condition according to a standard state working condition;
and acquiring the environmental information of the current time node in real time according to the abnormal posture working condition, and associating the environmental information with all the abnormal posture working conditions in the corresponding preset analysis period to form an analysis data packet for storage.
Further, the calculation formula of the dynamic early warning acceleration is specifically as follows:
wherein At represents a dynamic early warning acceleration; ax, Ay and Az respectively represent the acceleration in the three axial directions of x, y and z.
Further, the transportation attitude working condition comprises a yaw angle, a roll angle and a pitch angle, and the yaw angle, the roll angle and the pitch angle are obtained by performing micro-integral calculation on the triaxial acceleration in a preset analysis period.
Further, the screening process of the abnormal posture working condition specifically comprises the following steps:
judging whether any one of the yaw angle, the roll angle and the pitch angle is larger than a corresponding preset standard angle or not;
if one angle is larger than the corresponding preset standard angle, marking the corresponding posture as an abnormal working condition, and sequencing the abnormal working conditions according to the time sequence.
Further, the environment information includes a humidity measurement value, a temperature measurement value, and a pressure measurement value, and the current time node is an output time node of the transportation attitude analysis signal.
In a second aspect, an intelligent monitoring and early warning analysis system for a nuclear material transportation state is provided, which comprises:
the acceleration sensor is used for acquiring the triaxial acceleration of the nuclear material in the transportation process in real time;
the sensor group is used for acquiring the environmental information of the current time node in real time after responding to the abnormal posture working condition;
a master controller to:
calculating according to the triaxial acceleration to obtain dynamic early warning acceleration, and judging whether the dynamic early warning acceleration is greater than the low threshold acceleration or not; if the current value is larger than the preset value, outputting a pre-alarm signal to warn;
starting an overrun alarm program according to the pre-alarm signal, and judging whether the dynamic early-warning acceleration is larger than the high threshold acceleration after the overrun alarm program is started; if the current time is greater than the preset time, outputting a transportation attitude analysis signal;
the method comprises the steps of calling triaxial acceleration data in a preset analysis period according to a transportation attitude analysis signal, simulating a transportation attitude working condition of a nuclear material in the preset analysis period according to the triaxial acceleration data, and screening an abnormal attitude working condition in the transportation attitude working condition according to a standard state working condition;
associating the environment information with all abnormal attitude working conditions in the corresponding preset analysis period to form an analysis data packet;
and the data storage is used for storing the analysis data packet.
Further, the acceleration sensor is a three-axis acceleration gyroscope.
Furthermore, the sensor group comprises at least one temperature sensor, at least one humidity sensor and at least one atmospheric pressure sensor, and the temperature sensor, the humidity sensor and the atmospheric pressure sensor are all electrically connected with the main controller.
Furthermore, the system is also provided with an alarm or an alarm signal transmitter which is electrically connected with the main controller.
In a third aspect, a computer terminal is provided, which includes a memory, a processor, and a computer program stored in the memory and executable on the processor, and when the processor executes the program, the intelligent monitoring and early warning analysis method for a nuclear material transportation state is implemented as described in any one of the first aspect.
Compared with the prior art, the invention has the following beneficial effects:
1. the intelligent monitoring, early warning and analyzing method for the nuclear material transportation state can realize continuous monitoring of various impacts and vibrations generated by the nuclear material in the transportation, loading and unloading processes, carry out vector sum operation on triaxial acceleration, and realize reliable pre-warning and over-limit warning;
2. according to the intelligent monitoring and early warning analysis method for the nuclear material transportation state, provided by the invention, the nuclear material yaw, roll and pitch angles are analyzed and recorded, the transportation state of the nuclear material in the corresponding time can be automatically analyzed and recorded according to the abnormal detection result, the probability of recording omission of the abnormal condition is low, the alarm accords with the real operation condition, and the transportation monitoring of the nuclear material in the later period is facilitated.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a flow chart in an embodiment of the invention;
fig. 2 is a schematic diagram of the operation in the embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
Example 1: an intelligent monitoring and early warning analysis method for a nuclear material transportation state is shown in figure 1 and comprises the following steps:
s1: acquiring the triaxial acceleration of the nuclear material in the transportation process in real time;
s2: calculating according to the triaxial acceleration to obtain dynamic early warning acceleration, and judging whether the dynamic early warning acceleration is greater than the low threshold acceleration or not; if the current value is larger than the preset value, outputting a pre-alarm signal to warn;
s3: starting an overrun alarm program according to the pre-alarm signal, and judging whether the dynamic early-warning acceleration is larger than the high threshold acceleration after the overrun alarm program is started; if the current time is greater than the preset time, outputting a transportation attitude analysis signal;
s4: the method comprises the steps of calling triaxial acceleration data in a preset analysis period according to a transportation attitude analysis signal, simulating a transportation attitude working condition of a nuclear material in the preset analysis period according to the triaxial acceleration data, and screening an abnormal attitude working condition in the transportation attitude working condition according to a standard state working condition;
s5: and acquiring the environmental information of the current time node in real time according to the abnormal posture working condition, and associating the environmental information with all the abnormal posture working conditions in the corresponding preset analysis period to form an analysis data packet for storage.
In step S1, the calculation formula of the dynamic warning acceleration is specifically:
wherein At represents a dynamic early warning acceleration; ax, Ay and Az respectively represent the acceleration in the three axial directions of x, y and z.
The invention uses At as the basis of pre-alarming and overrun alarming instead of Ax, Ay and Az, thereby realizing accurate and reliable pre-alarming and overrun alarming. For example: setting the alarm threshold value to be 2.0g, wherein Ax is 1.9g, Ay is 1.9g, Az is 1.9g, and at the moment, if a single axial acceleration value is used as an alarm judgment basis, no alarm is given; but At is 3.29g, far exceeds the alarm value of 2.0g, and the alarm is normal.
The transportation attitude working condition comprises a yaw angle, a roll angle and a pitch angle, and the yaw angle, the roll angle and the pitch angle are obtained by carrying out micro-integral calculation on the triaxial acceleration of a preset analysis period.
The screening process of the abnormal posture working condition specifically comprises the following steps: judging whether any one of the yaw angle, the roll angle and the pitch angle is larger than a corresponding preset standard angle or not; if one angle is larger than the corresponding preset standard angle, marking the corresponding posture as an abnormal working condition, and sequencing the abnormal working conditions according to the time sequence.
The environmental information comprises a humidity measurement value, a temperature measurement value and a pressure measurement value, and the current time node is an output time node of the transportation attitude analysis signal.
In addition, the intelligent monitoring and early warning analysis method for the nuclear material transportation state provided by the invention can also realize statistical analysis under the conditions of alarm times, alarm data, alarm frequency, abnormal frequency and the like.
Example 2: an intelligent monitoring, early warning and analyzing system for the transportation state of nuclear materials is shown in fig. 2 and comprises an acceleration sensor, a sensor group, a main controller and a data memory.
The acceleration sensor is used for acquiring the triaxial acceleration of the nuclear material in the transportation process in real time. And the sensor group is used for acquiring the environmental information of the current time node in real time after responding to the abnormal attitude working condition.
The main controller is used for calculating to obtain dynamic early warning acceleration according to the triaxial acceleration and judging whether the dynamic early warning acceleration is larger than the low threshold acceleration or not; if the current value is larger than the preset value, outputting a pre-alarm signal to warn; starting an overrun alarm program according to the pre-alarm signal, and judging whether the dynamic early-warning acceleration is larger than the high threshold acceleration after the overrun alarm program is started; if the current time is greater than the preset time, outputting a transportation attitude analysis signal; the method comprises the steps of calling triaxial acceleration data in a preset analysis period according to a transportation attitude analysis signal, simulating a transportation attitude working condition of a nuclear material in the preset analysis period according to the triaxial acceleration data, and screening an abnormal attitude working condition in the transportation attitude working condition according to a standard state working condition; and associating the environment information with all abnormal attitude working conditions in the corresponding preset analysis period to form an analysis data packet. And the data storage is used for storing the analysis data packet.
In the present embodiment, the acceleration sensor employs an integrated three-axis acceleration gyroscope.
In this embodiment, the sensor group includes a temperature sensor, a humidity sensor, and an atmospheric pressure sensor, and the temperature sensor, the humidity sensor, and the atmospheric pressure sensor are all electrically connected to the main controller.
In addition, the system is also provided with an alarm electrically connected with the main controller. The alarm can be replaced by an alarm signal transmitter to realize remote monitoring and alarming.
The working principle is as follows: the invention can realize continuous monitoring of various impacts and vibrations generated by nuclear materials in the processes of transportation, loading and unloading, and carry out vector sum operation on triaxial acceleration, thereby realizing reliable pre-alarm and over-limit alarm; and by analyzing and recording the yaw, roll and pitch angles of the nuclear materials, the transportation state of the nuclear materials in the corresponding time can be automatically analyzed and recorded according to the abnormal detection result, the probability of missing of abnormal condition recording is low, the alarm accords with the real operation condition, and the monitoring of the nuclear material transportation in the later period is facilitated.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The above embodiments are provided to further explain the objects, technical solutions and advantages of the present invention in detail, it should be understood that the above embodiments are merely exemplary embodiments of the present invention and are not intended to limit the scope of the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. An intelligent monitoring and early warning analysis method for a nuclear material transportation state is characterized by comprising the following steps:
acquiring the triaxial acceleration of the nuclear material in the transportation process in real time;
calculating according to the triaxial acceleration to obtain dynamic early warning acceleration, and judging whether the dynamic early warning acceleration is greater than the low threshold acceleration or not; if the current value is larger than the preset value, outputting a pre-alarm signal to warn;
starting an overrun alarm program according to the pre-alarm signal, and judging whether the dynamic early-warning acceleration is larger than the high threshold acceleration after the overrun alarm program is started; if the current time is greater than the preset time, outputting a transportation attitude analysis signal;
calling three-axis acceleration data in a preset analysis period according to the transportation attitude analysis signal, simulating a transportation attitude working condition of the nuclear material in the preset analysis period according to the three-axis acceleration data, and screening an abnormal attitude working condition in the transportation attitude working condition according to a standard state working condition;
and acquiring the environmental information of the current time node in real time according to the abnormal posture working condition, and associating the environmental information with all the abnormal posture working conditions in the corresponding preset analysis period to form an analysis data packet for storage.
2. The intelligent monitoring and early warning analysis method for the nuclear material transportation state as claimed in claim 1, wherein the calculation formula of the dynamic early warning acceleration is specifically as follows:
wherein At represents a dynamic early warning acceleration; ax, Ay and Az respectively represent the acceleration in the three axial directions of x, y and z.
3. The intelligent monitoring and early warning analysis method for the nuclear material transportation state as claimed in claim 1, wherein the transportation attitude working conditions comprise a yaw angle, a roll angle and a pitch angle, and the yaw angle, the roll angle and the pitch angle are obtained by performing micro-integral calculation on triaxial acceleration in a preset analysis period.
4. The intelligent monitoring and early warning analysis method for the nuclear material transportation state as claimed in claim 3, wherein the screening process of the abnormal attitude working condition is specifically as follows:
judging whether any one of the yaw angle, the roll angle and the pitch angle is larger than a corresponding preset standard angle or not;
if one angle is larger than the corresponding preset standard angle, marking the corresponding posture as an abnormal working condition, and sequencing the abnormal working conditions according to the time sequence.
5. The intelligent monitoring and early warning analysis method for the nuclear material transportation state as claimed in claim 1, wherein the environmental information comprises a humidity measurement value, a temperature measurement value and a pressure measurement value, and the current time node is an output time node of the transportation attitude analysis signal.
6. The utility model provides a nuclear material transport state intelligent monitoring early warning analytic system, characterized by includes:
the acceleration sensor is used for acquiring the triaxial acceleration of the nuclear material in the transportation process in real time;
the sensor group is used for acquiring the environmental information of the current time node in real time after responding to the abnormal posture working condition;
a master controller to:
calculating according to the triaxial acceleration to obtain dynamic early warning acceleration, and judging whether the dynamic early warning acceleration is greater than the low threshold acceleration or not; if the current value is larger than the preset value, outputting a pre-alarm signal to warn;
starting an overrun alarm program according to the pre-alarm signal, and judging whether the dynamic early-warning acceleration is larger than the high-threshold acceleration after the overrun alarm program is started; if the current time is greater than the preset time, outputting a transportation attitude analysis signal;
the method comprises the steps of calling triaxial acceleration data in a preset analysis period according to a transportation attitude analysis signal, simulating a transportation attitude working condition of a nuclear material in the preset analysis period according to the triaxial acceleration data, and screening an abnormal attitude working condition in the transportation attitude working condition according to a standard state working condition;
associating the environment information with all abnormal attitude working conditions in the corresponding preset analysis period to form an analysis data packet;
and the data storage is used for storing the analysis data packet.
7. The system of claim 6, wherein the acceleration sensor is a three-axis acceleration gyroscope.
8. The intelligent monitoring and early warning analysis method, system and terminal for the nuclear material transportation state according to claim 6, wherein the sensor group comprises at least one temperature sensor, at least one humidity sensor and at least one atmospheric pressure sensor, and the temperature sensor, the humidity sensor and the atmospheric pressure sensor are all electrically connected with the main controller.
9. The intelligent monitoring and early warning analysis method, system and terminal for the nuclear material transportation state as claimed in claim 6, wherein the system is further provided with an alarm or an alarm signal transmitter electrically connected with the main controller.
10. A computer terminal comprising a memory, a processor and a computer program stored in the memory and executable on the processor, wherein the processor implements the intelligent monitoring and warning analysis method for the transport state of nuclear material according to any one of claims 1 to 5 when executing the program.
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