CN116593237A - Multi-pipeline sample injection method, device and equipment for ship-borne atmospheric component navigation observation - Google Patents
Multi-pipeline sample injection method, device and equipment for ship-borne atmospheric component navigation observation Download PDFInfo
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Abstract
The invention discloses a multi-pipeline sampling method, device and equipment for ship-borne atmospheric component navigation observation, relates to the technical field of ocean/polar atmospheric environment monitoring, and is used for solving the problems of large error, discontinuous data and broken measurement of navigation observation data. The multi-pipeline sampling system is applied to ship-borne atmospheric component navigation observation, and at least comprises multi-channel atmospheric sampling ports, wherein each atmospheric sampling port is arranged in different directions of a ship body reference object; meteorological data acquired by the data acquisition box are acquired; determining quadrant information of wind direction data in meteorological data, and generating a target control signal by combining with the attitude information of the current ship body; and controlling the working state of the electromagnetic valve according to the target control signal, and automatically switching to an atmosphere sampling port of a target channel corresponding to the quadrant information to sample the atmosphere data. The invention can realize real-time switching of the atmospheric sampling port, avoid the conditions of abnormal data and missing data measurement and greatly improve the continuity and accuracy of the navigation data.
Description
Technical Field
The invention relates to the technical field of ocean/polar atmospheric environment monitoring, in particular to a multi-pipeline sample injection method, device and equipment for ship-borne atmospheric component navigation observation.
Background
Atmospheric navigation monitoring refers to a monitoring technology for atmospheric sampling, monitoring and data processing through a navigation monitoring visual acquisition and analysis cloud system. Compared with the traditional fixed monitoring mode, the navigation monitoring can realize traveling, monitoring and feedback. In the slow running process of the navigation vehicle, the visual acquisition and analysis system carried on the vehicle can monitor the concentration of the atmospheric pollutants such as sulfur dioxide, nitrogen dioxide, ozone, carbon monoxide, PM2.5, PM10, organic volatile matters and the like in a designated area in real time. And rapidly drawing an area atmospheric pollution map, accurately judging pollution industries, enterprises and even working sections, and locking a heavy point pollution source. Provides scientific and powerful technical support for environmental decision, environmental management and pollution control of environmental protection departments.
In the prior art, for example: the patent with publication number of CN103278356A and patent name of "marine atmospheric particulate sampling device and sampling method thereof" is a sampling device for marine atmospheric particulate. The device is characterized in that a controller starts a large-flow air pump by collecting and analyzing signals of the wind speed and direction sensor, if the signals accord with set sampling conditions, a microprocessor identification circuit records sampling flow, pressure and temperature parameters at the same time, and otherwise, the sampling device is in a waiting state. The device is based on wind speed sensor signal, controls sampling device through the controller according to relevant signal, will be in the wait state under the condition of not satisfying relevant condition, avoids inhaling the particulate matter that boats and ships self discharged when atmospheric particulate matter samples. In practical use, the method cannot avoid the situations of discontinuous data and missing measurement under the condition of unfavorable wind speed and direction. Taking the south ocean as an example: western wind belts are used for carrying out Western wind, the condition of missing measurement of long-time data can occur under the condition that the ship attitude is unchanged, and uncertainty exists for completing related tasks and acquiring data.
Therefore, it is desirable to provide a more reliable multi-pipeline sampling scheme for on-board airborne observation of atmospheric components.
Disclosure of Invention
The invention aims to provide a multi-pipeline sampling method, device and equipment for navigation observation of shipborne atmospheric components, which are used for solving the problems of large error, discontinuous data and broken measurement of navigation observation data in the prior art.
In order to achieve the above object, the present invention provides the following technical solutions:
in a first aspect, the present invention provides a multi-pipeline sampling method for on-board airborne observation of atmospheric components, the method being applied to a multi-pipeline sampling system for on-board airborne observation of atmospheric components, the system comprising at least a multi-channel atmospheric sampling port, each of the atmospheric sampling ports being arranged in a different direction of a hull reference;
the method comprises the following steps:
acquiring meteorological data acquired by a data acquisition box; the meteorological data at least comprises wind direction data;
determining quadrant information of the wind direction data, and generating a target control signal based on the quadrant information and the attitude information of the current ship body;
and controlling the working state of the electromagnetic valve based on the target control signal, and automatically switching to an atmosphere sampling port of a target channel corresponding to the quadrant information so as to sample the atmosphere data.
Compared with the prior art, the multi-pipeline sampling method for the ship-borne atmospheric component sailing observation is applied to a multi-pipeline sampling system for the ship-borne atmospheric component sailing observation, and the system at least comprises multi-channel atmospheric sampling ports, wherein each atmospheric sampling port is arranged in different directions of a ship body reference object; meteorological data acquired by the data acquisition box are acquired; determining quadrant information of wind direction data in meteorological data, and generating a target control signal based on the quadrant information and the attitude information of the current ship body; and controlling the working state of the electromagnetic valve according to the target control signal, and automatically switching to an atmosphere sampling port of a target channel corresponding to the quadrant information so as to sample the atmosphere data. According to the invention, by arranging the multi-channel atmospheric sampling port and according to the on-site meteorological conditions and the ship attitude, the real-time switching of the atmospheric sampling port is realized through the self-compiled script, the condition of data missing measurement is avoided while the data abnormality is avoided, and the continuity and accuracy of the navigation data are greatly improved.
In a second aspect, the present invention provides a multi-pipeline sample injection device for on-board airborne observation of atmospheric components, the device being applied to the multi-pipeline sample injection method for on-board airborne observation of atmospheric components provided in the first aspect; the device comprises:
The meteorological data acquisition module is used for acquiring meteorological data acquired by the data acquisition box; the meteorological data at least comprises wind direction data;
the quadrant information determining module is used for determining quadrant information of the wind direction data and generating a target control signal based on the quadrant information and the attitude information of the current ship body;
and the atmosphere sampling port switching module is used for controlling the working state of the electromagnetic valve based on the target control signal and automatically switching to the atmosphere sampling port of the target channel corresponding to the quadrant information so as to sample the atmosphere data.
In a third aspect, the present invention provides a multi-pipeline sample injection device for on-board airborne observation of atmospheric components, the device being applied to the multi-pipeline sample injection method for on-board airborne observation of atmospheric components provided in the first aspect, the device comprising:
the communication unit/communication interface is used for acquiring meteorological data acquired by the data acquisition box; the meteorological data at least comprises wind direction data;
the processing unit/processor is used for determining quadrant information of the wind direction data and generating a target control signal based on the quadrant information and the attitude information of the current ship body;
and controlling the working state of the electromagnetic valve based on the target control signal, and automatically switching to an atmosphere sampling port of a target channel corresponding to the quadrant information so as to sample the atmosphere data.
In a fourth aspect, the present invention provides a computer storage medium, where instructions are stored, and when the instructions are executed, the multi-pipeline sampling method for on-board airborne observation of atmospheric components is implemented.
Technical effects achieved by the apparatus class scheme provided in the second aspect, the device class scheme provided in the third aspect, and the computer storage medium scheme provided in the fourth aspect are the same as those achieved by the method class scheme provided in the first aspect, and are not described herein.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention. In the drawings:
FIG. 1 is a schematic flow diagram of a multi-pipeline sample injection method for on-board atmospheric component navigation observation provided by the invention;
FIG. 2 is a schematic diagram of a multi-pipeline sample injection system for on-board airborne observation of atmospheric components;
FIG. 3 is a schematic view of an atmosphere sampling port arrangement mode provided by the invention;
FIG. 4 is a schematic diagram of the connection relationship of the multi-pipeline sample injection system for the navigation observation of the on-board atmosphere components;
FIG. 5 is a schematic diagram of a multi-pipeline sample injection device for on-board airborne observation of atmospheric components;
fig. 6 is a schematic structural diagram of a multi-pipeline sample injection device for ship-borne atmospheric component navigation observation.
Reference numerals:
1-data collection box, 2-singlechip, 3-multichannel controller, 4-multichannel atmospheric sampling mouth, 5-wind speed sensor, 6-analysis appearance.
Detailed Description
In order to clearly describe the technical solution of the embodiments of the present invention, in the embodiments of the present invention, the words "first", "second", etc. are used to distinguish the same item or similar items having substantially the same function and effect. For example, the first threshold and the second threshold are merely for distinguishing between different thresholds, and are not limited in order. It will be appreciated by those of skill in the art that the words "first," "second," and the like do not limit the amount and order of execution, and that the words "first," "second," and the like do not necessarily differ.
In the present invention, the words "exemplary" or "such as" are used to mean serving as an example, instance, or illustration. Any embodiment or design described herein as "exemplary" or "for example" should not be construed as preferred or advantageous over other embodiments or designs. Rather, the use of words such as "exemplary" or "such as" is intended to present related concepts in a concrete fashion.
In the present invention, "at least one" means one or more, and "a plurality" means two or more. "and/or", describes an association relationship of an association object, and indicates that there may be three relationships, for example, a and/or B, and may indicate: a alone, a and B together, and B alone, wherein a, B may be singular or plural. The character "/" generally indicates that the context-dependent object is an "or" relationship. "at least one of" or the like means any combination of these items, including any combination of single item(s) or plural items(s). For example, at least one (one) of a, b or c may represent: a, b, c, a and b, a and c, b and c, or a, b and c, wherein a, b, c can be single or multiple.
The ship-borne sailing observation is one of the most basic modes for acquiring ocean and atmosphere data in ocean and polar scientific investigation, and the acquired data is critical to relevant work by taking the atmosphere component as the basic part of the observation. At present, the ocean/polar atmosphere component sailing observation sampling device has no related technical proposal, generally, the atmosphere component observation sampling port is a single sampling port, the sampling port is arranged on a scientific research mast at the bow of a scientific research ship or on the top deck of the ship body, and contaminated abnormal data is removed and processed in the final data processing stage (generally adopting a meteorological method, a data statistics method and the like). In the prior art, the atmospheric component sailing observation sample injection device has no related technical proposal, and is generally only provided with a filtering device and a waterproof device at a sampling port, so as to prevent particulate matters and moisture (mainly precipitation) in the atmosphere from entering equipment through a pipeline and avoid damaging instrument equipment. When atmospheric data is sampled, the situations of data discontinuity and missing measurement under the condition of unfavorable wind speed and wind direction cannot be avoided.
Aiming at the problems in the prior art, the invention provides a multi-pipeline sample injection scheme for ship-borne atmospheric component navigation observation, and the scheme provided by the embodiment of the specification is described below with reference to the accompanying drawings:
as shown in fig. 1, the process may include the steps of:
step 110: acquiring meteorological data acquired by a data acquisition box; the meteorological data at least comprises wind direction data.
The data acquisition box can be used for gathering meteorological data, and meteorological data can be obtained automatically by a meteorological station. In the actual operation process, workers need to lay gas circuits and various connecting instrument equipment on site, program judgment is carried out after the machine is started, and the program can carry out compiled scripts according to the arrangement condition of sampling ports.
Step 120: and determining quadrant information of the wind direction data, and generating a target control signal based on the quadrant information and the attitude information of the current ship body.
The wind direction data in the meteorological data is needed to be judged through the script compiled by confidence, the quadrant area to which the wind direction belongs is judged, then the current attitude information of the ship body and the quadrant area are combined to generate a control signal, the control signal is used for being sent to the singlechip, and the singlechip controls the working state of the electromagnetic valve based on the control signal.
The electromagnetic valve (Electromagnetic valve) is an industrial device controlled by electromagnetic, is an automatic base element for controlling fluid, belongs to an actuator, and is not limited to hydraulic and pneumatic. For use in industrial control systems to adjust the direction, flow, velocity and other parameters of the medium. The solenoid valve may cooperate with different circuits to achieve the desired control, and the operating state of the solenoid valve may include a de-energized state as well as an energized state.
Step 130: and controlling the working state of the electromagnetic valve based on the target control signal, and automatically switching to an atmosphere sampling port of a target channel corresponding to the quadrant information so as to sample the atmosphere data. And by controlling the working state of the electromagnetic valve, the electromagnetic valve is automatically switched to an atmosphere sampling port of a target channel corresponding to the quadrant information, namely, the electromagnetic valve is automatically switched to a specified gas circuit which is not polluted, so that the defect and the abnormality of observation data are effectively avoided.
The steps of the method in fig. 1 may be implemented by the system in fig. 2, as shown in fig. 2, in the multi-pipeline sampling system for on-board atmospheric component navigation observation, the multi-pipeline sampling system may include a data collection box 1, a single chip microcomputer 2, a multi-channel controller 3, a multi-channel atmospheric sampling port 4, a wind speed sensor 5 and an analyzer 6, where each atmospheric sampling port is disposed in a different direction of a hull reference object, in fig. 2, the hull reference object is a hull chimney, and of course, in an actual scene, the hull reference object may also be other structural objects on the hull specified according to the actual application scene. The wind speed sensor 5 is connected with the data acquisition box 1, the wind speed sensor 5 can sense wind direction data and display the wind direction data through the data acquisition box 1, the singlechip 2 is respectively connected with the data acquisition box 1 and the multichannel controller 3, and after the singlechip generates control signals based on data acquired by the data acquisition box 1, the working state of the electromagnetic valve in the multichannel controller 3 is controlled based on the control signals, and the electromagnetic valve controls the corresponding atmospheric sampling port in the multichannel atmospheric sampling port 4 to work so as to acquire atmospheric data.
And controlling the working state of the electromagnetic valve based on the target control signal, and automatically switching to an atmosphere sampling port of a target channel corresponding to the quadrant information so as to sample the atmosphere data, wherein the analyzer 6 is used for displaying the atmosphere data acquired by the atmosphere sampling port of the target channel.
The method of fig. 1 is applied to the system of fig. 2, and the system at least comprises a plurality of atmosphere sampling ports, wherein each atmosphere sampling port is arranged in a different direction of a ship body reference object; meteorological data acquired by the data acquisition box are acquired; determining quadrant information of wind direction data in meteorological data, and generating a target control signal based on the quadrant information and the attitude information of the current ship body; and controlling the working state of the electromagnetic valve according to the target control signal, and automatically switching to an atmosphere sampling port of a target channel corresponding to the quadrant information so as to sample the atmosphere data. According to the invention, by arranging the multi-channel atmospheric sampling port and according to the on-site meteorological conditions and the ship attitude, the real-time switching of the atmospheric sampling port is realized through the self-compiled script, the condition of data missing measurement is avoided while the data abnormality is avoided, and the continuity and accuracy of the navigation data are greatly improved.
Based on the method of fig. 1, the examples of the present specification also provide some specific implementations of the method, as described below.
In step 110, the data collection box reads the average value of wind directions output by the wind speed sensor, the data collection box also records and stores voltage signals or analog signals corresponding to the live wind speed and wind direction data acquired by the wind speed sensor, when the relative wind direction changes, the wind speed sensor changes state, and the data collection box records the latest wind speed and wind direction data.
The wind direction average value is the judging basis for avoiding the pollution of the sample inlet, and the on-site sensor generally adopts a unit vector method to obtain the wind direction average value.
The calculation formula is as follows:
wherein, the liquid crystal display device comprises a liquid crystal display device,representing the average component of the unit wind speed vector in the east-west direction during the observation period,/for the observation period>The average component of the unit wind speed vector in the north-south direction in the observation period is represented by a, the average wind direction in the observation period is represented by Ai, the argument (included angle with the y-axis) of the ith wind vector in the observation period is represented by n, the number of samples in the observation period is represented by i, and the ith sample sequence is represented by i. The unit vector method calculates the average wind direction according to the wind direction scale of each statistics at each moment And (3) projection on the coordinate axis, calculating the average value of the accumulated projections, and restoring the real average angle in an arctangent mode. The problem arises in the use of arctangent. The angle of the arctangent is-90 degrees to 90 degrees, but the actual wind direction angle is 0 degrees to 360 degrees, so that half of the angle cannot be represented, and the wind direction angle acquired by the length cannot be negative, so that the average value calculated by a unit vector method is required to be further processed. The angles are divided mathematically according to quadrants. And respectively judging whether the quadrant where the real angle is located is subjected to angle correction according to the quadrant attribute by calculating the positive and negative values of the obtained east-west azimuth average component u and the north-south azimuth average component v, so that a formal angle can be obtained.
The formal angle can be obtained by adopting the positive and negative values of the east-west azimuth average component u and the north-south azimuth average component v calculated by adopting the formulas in the specific implementation step of the step 110, and judging that the quadrant where the real angle is located is subjected to angle correction according to the quadrant attribute.
The correction value giving the calculation result of each azimuth is proved through calculation and case demonstration:
(1) u >0; v >0: the true angle is in the first quadrant and the corrected value is +0°;
(2) u >0; v <0: the true angle is in the second quadrant and the corrected value is +180°;
(3) u <0; v <0: the true angle is in the third quadrant and the corrected value is +180°;
(4) u <0; v >0: the true angle is in the fourth quadrant with a correction value of +360°.
When the angle is in a quadrant, correction is not needed, and the calculated value is even true; according to the tangent function characteristics when the angle is in the second quadrant and the third quadrant, the angle can be obtained by shifting the calculated value rightwards by one tangent function period calculation, namely correcting 180 degrees in the positive direction; when the angle is at the fourth quadrant, the definition field of the tangent function is on (-3 pi/2, 2 pi), the value field (namely the definition field of the tangent) is actually obtained through the arc tangent, and the positive correction of +360 DEG reducible data on the calculated value is known according to the period and the symmetry characteristic of the tangent function.
The system related to the scheme equally divides 0-360 degrees into 8 fan sections, and voltage signals and solenoid valve numbers corresponding to different sectors are shown in the following table 1:
TABLE 1 wind direction sector, angle range, voltage signal and solenoid valve correspondence table
The script edited based on the C language is mainly based on the table, the singlechip judges according to a program by reading the average wind direction value given by the wind speed sensor in the data acquisition box, gives out a corresponding signal, opens a corresponding electromagnetic valve through the electromagnetic valve control panel, and then communicates the gas paths of the electromagnetic valves connected in series to finish the selection and switching of sampling ports. When the wind direction changes, the latest wind direction data is grabbed again through the set interval time, the program is executed for one time according to the flow, the original electromagnetic valve is closed, the electromagnetic valve corresponding to the fresh wind direction is opened, and the switching of the air path is completed.
Further, step 120, when embodied, may include:
determining quadrant information of the wind direction data based on meteorological data displayed by the data acquisition box;
determining a target channel where an atmospheric sampling port in a quadrant corresponding to the quadrant information is located by combining the attitude information of the current ship body;
generating a target control signal based on the target channel; the target control signal at least comprises target channel information to be switched.
After the data acquisition box receives the meteorological data, the meteorological data can be subjected to corresponding statistical conversion processing, and the wind direction and the quadrant area to which the wind direction belongs can be directly displayed after the processing. The wind direction and the air passage corresponding to the wind direction can be determined by combining the current ship body posture, so that the atmospheric sampling port is used for sampling.
As can be seen based on the structure of fig. 2, a multi-channel controller is also included in the system; the multi-channel controller includes a plurality of solenoid valves and a solenoid valve control panel. Step 130 may be implemented by the following method:
sending the target control signal to the solenoid valve control panel;
the electromagnetic valve control panel controls the multi-path relay to supply power to the corresponding electromagnetic valve based on the target control signal;
And switching the sampling channel to a target channel corresponding to the quadrant information by electrifying and opening the corresponding electromagnetic valve.
The arrangement of the solenoid valve may correspond to a sampling port channel, for example: one electromagnetic valve corresponds to one channel, and when the electromagnetic valve of the corresponding channel is opened, the sampling of the atmospheric data can be completed through the sampling port of the channel.
The atmospheric sampling ports in fig. 2 can be arranged on the top deck of the ship body, as shown in fig. 3, eight-channel multi-pipeline atmospheric sampling ports can be adopted, and the eight atmospheric sampling ports are respectively a No. 1 sampling port, a No. 2 sampling port, a No. 3 sampling port, a No. 4 sampling port, a No. 5 sampling port, a No. 6 sampling port, a No. 7 sampling port and a No. 8 sampling port, and the 8 sampling ports are uniformly distributed in eight directions of the ship body chimney and far away from the ship body chimney; eight quadrants are formed by the 8 atmosphere sampling ports and the ship chimney, wherein the included angle area between any two adjacent sampling ports and the ship chimney is one quadrant. In concrete implementation, the included angle between the adjacent sampling ports and the central point (chimney) is controlled to be about 45 degrees as much as possible. The sampling ports may each be provided with a waterproof cover and a 0.45 μm filter. The pipeline can be made of Polytetrafluoroethylene (PTFE) material, stainless steel material and aluminum plastic pipe.
The live wind speed and wind direction data acquired by the wind speed sensor are recorded in a voltage or analog signal form and stored in the data acquisition box, the singlechip reads wind direction data from the data acquisition box based on the written C language program script and gives corresponding voltage signals to the electromagnetic valve control panel according to the result, and the electromagnetic valve control panel controls the multi-way relay to supply power to the corresponding electromagnetic valve according to the received corresponding voltage signals, so that the air channel is penetrated, and clean sample gas in the direction of the target air channel is acquired.
The switching of the 8 paths of electromagnetic valves is mainly controlled by an electromagnetic valve control panel, and the control panel controls the multi-path relay to supply power to the corresponding electromagnetic valve according to the voltage signal output by the singlechip, so that the sampling pipeline is penetrated, and other pipelines are in a closed state. The angular range, voltage signal, and corresponding solenoid valve for the sector of wind direction are shown in table 1 above.
When the relative wind direction changes, for example, when the relative wind direction changes from 0 degrees to 270 degrees, the wind speed sensor changes state, the data acquisition box records the latest wind speed and wind direction data, after the singlechip reads the wind direction data based on a program script, the output Signal changes from Signal-1 to Signal-7, after the electromagnetic valve control panel identifies the change of the Signal, the circuit of the power supply circuit of the multi-relay is switched to the circuit of the electromagnetic valve V7 from the circuit of the electromagnetic valve V1, the electromagnetic valve V7 is opened, the V1 is closed, the through air passage is switched to the air passage 7 from the air passage 1, and finally the switching of the sample inlet is completed.
An example illustration is shown in fig. 3: in oceangoing scientific investigation, the air inlet is generally arranged at the position of the bow (No. 1), and when the relative wind comes from the stern direction, the sampling port sucks a large amount of tail gas discharged by the chimney. After the device is installed, when the relative wind comes from the stern direction (assuming that the relative wind direction is 180 degrees), the singlechip reads wind direction data in the data acquisition box through the script, recognizes that the wind direction is in a 5 th sector, and the electromagnetic valve control panel opens a 5 th electromagnetic valve and closes other electromagnetic valves simultaneously, so that an atmospheric sample at a 5 th sampling port is obtained, and the sample inlet at the 5 th position is not easily found to be influenced by the pollution discharge of the ship body under the condition.
In step 140, the singlechip opens the corresponding solenoid valve through the solenoid valve control panel according to the target control signal, and then communicates the gas circuit of the solenoid valve series connection, completes the selection and switching of the atmosphere sampling port of the target channel, and adopts the atmosphere sampling port of the target channel to realize the sampling of the atmosphere components.
It should be noted that, in this scheme, a multi-sampling port (8 channels) mode is adopted, and in the actual application scene, the number of multi-channel sampling ports and the included angle between the adjacent sampling ports and the central point can be set according to the actual application requirement.
Further, in determining quadrant information to which the wind direction data belongs, the method specifically may include:
determining a target direction of eight directions to which the wind direction belongs based on the wind direction data;
and determining a target quadrant to which the target direction belongs.
The system in fig. 2 also comprises a wind speed sensor 5 and a singlechip 2; when the automatic switching of the atmosphere sampling ports is performed, the control relation of the corresponding structure can be described with reference to fig. 4, as shown in fig. 4, a self-compiled C language script can be led into a singlechip according to site meteorological conditions and ship gestures, the singlechip 2 analyzes wind direction results of a data acquisition box based on programs, corresponding voltage signals are output to an electromagnetic valve control panel according to the results, the electromagnetic valve control panel controls a multi-way relay to supply power to the corresponding electromagnetic valve after receiving the signals, the corresponding electromagnetic valve is electrified and opened, the opened electromagnetic valve controls the corresponding atmosphere sampling port to perform atmosphere data sampling, the collected atmosphere is transmitted to an analyzer 6 through an air inlet pipe, and the analyzer 6 performs accurate display of the atmosphere data. The pollution-free gas path is communicated, the situation of waiting (data missing measurement) is avoided while data abnormality is avoided, and the continuity and accuracy of the navigation data are greatly improved.
In fig. 4, the roles of each device are respectively:
wind speed sensor: the method comprises the steps that a sensor for acquiring a live wind speed obtains wind speed and wind direction data;
and (3) a data acquisition box: the wind speed sensor is used for recording and storing data acquired by the wind speed sensor;
a data line: the single chip microcomputer and the data acquisition box are connected and used for reading wind direction data;
and the singlechip is used for: the typical embedded microcontroller is composed of an arithmetic unit, a controller, a memory, input and output equipment and the like, and is equivalent to a microcomputer.
Electromagnetic valve control panel: the electromagnetic valve control panel can be used for controlling the relay to supply power to the corresponding electromagnetic valve through receiving the voltage signal transmitted by the singlechip, so as to open the corresponding electromagnetic valve.
Electromagnetic valve: when the electromagnetic coil is electrified, electromagnetic force is generated to lift the closing member from the valve seat, and the valve is opened; when the power is off, the electromagnetic force disappears, the spring presses the closing member against the valve seat, and the valve is closed.
Multiway valve: the pipeline that can connect many gas circuits simultaneously, and the pipeline that 8 solenoid valves are connected in this scheme all links to each other with the multiport valve, and one of them passageway of multiport valve is as output gas circuit, and the pipeline that supplies power for corresponding solenoid valve will become the pipeline of sampling.
Sampling port: generally, the device is composed of a waterproof cover and a filter (generally, a Whatman bag type filter is adopted), precipitation and atmospheric particulates are prevented from entering a pipeline, and are sucked into an analyzer by the analyzer, as shown in fig. 4, the device comprises a 1-8 sampling port, the electromagnetic valve is arranged corresponding to the sampling port, for example: the electromagnetic valve V1 corresponds to the sampling port 1, and the electromagnetic valve V8 corresponds to the sampling port 8.
And (3) air path: the tubing is typically Polytetrafluoroethylene (PTFE) or a metallic material.
According to the method, according to the real-time wind speed and wind direction data signals of the data collector, the singlechip controls the working state of the electromagnetic valve by executing the self-compiled script, and automatically switches to the specified gas path which is not polluted, so that the defect and abnormality of observation data are effectively avoided.
The invention changes the traditional form of marine atmospheric component navigation observation sampling, changes the traditional form of marine atmospheric component navigation observation sampling for the first time in the investigation of ocean (polar region) ship-borne navigation times, adopts a multi-sampling port (8-channel) mode, can guide a self-compiled C language script into a singlechip according to site meteorological conditions and ship gestures, the singlechip analyzes the wind direction result of a data acquisition box based on a program, outputs corresponding voltage signals to a solenoid valve control panel according to the results, controls a multi-way relay to supply power to the corresponding solenoid valve after the solenoid valve control panel receives the signals, and opens the corresponding solenoid valve to realize the real-time switching of an atmospheric component sampling pipeline, thereby realizing the penetration of the pollution-free gas circuit, avoiding the situation of data missing measurement while avoiding data abnormality, and greatly improving the continuity and accuracy of navigation data.
In addition, because the high-precision atmosphere component analyzer generally adopts a laser method, the state of the optical cavity is critical to the stability and precision of the instrument, and the maintenance cost of the optical cavity is higher, the technical scheme provided by the invention can effectively avoid the observation error of the navigation observation of the shipborne atmosphere component; the continuity and the effectiveness of ocean/polar observation navigation observation data are effectively ensured, the replacement frequency of the filter membrane of the sampling port can be effectively relieved, and the damage probability of the instrument is reduced.
The scheme not only can be used for observing the navigation atmosphere components on board, but also can be used for observing the atmosphere particulate matters.
Based on the same thought, the invention also provides a multi-pipeline sample injection device for ship-borne atmospheric component sailing observation, as shown in fig. 5, the device can comprise:
the meteorological data acquisition module 510 is used for acquiring meteorological data acquired by the data acquisition box; the meteorological data at least comprises wind direction data;
the quadrant information determining module 520 is configured to determine quadrant information to which the wind direction data belongs, and generate a target control signal based on the quadrant information and posture information of a current hull;
the atmosphere sampling port switching module 530 is configured to control an operating state of the electromagnetic valve based on the target control signal, and switch to an atmosphere sampling port of the target channel corresponding to the quadrant information, so as to perform atmosphere data sampling.
Based on the apparatus in fig. 5, some specific implementation units may also be included:
optionally, the system may further include a multi-channel controller; the multi-channel controller comprises a plurality of electromagnetic valves and an electromagnetic valve control panel;
the atmospheric sampling port switching module 530 may specifically include:
the electromagnetic valve working state control unit is used for sending the target control signal to the electromagnetic valve control panel; the electromagnetic valve control panel controls the multi-path relay to supply power to the corresponding electromagnetic valve based on the target control signal;
and the atmosphere sampling port switching unit is used for switching the sampling channel to the target channel corresponding to the quadrant information by switching on and opening the corresponding electromagnetic valve.
Optionally, the hull reference is a hull chimney, the atmospheric sampling port is arranged on a top deck of the hull, eight-channel multi-pipeline sampling ports are adopted, and the eight sampling ports are uniformly distributed in eight directions of the hull chimney and far away from the hull chimney; eight sampling ports and the ship chimney form eight quadrants, wherein the included angle area between any two adjacent sampling ports and the ship chimney is one quadrant.
Optionally, when the quadrant information determining module 520 determines quadrant information to which the wind direction data belongs, the target direction of eight directions to which the wind direction belongs may be determined specifically based on the wind direction data; and determining a target quadrant to which the target direction belongs.
Optionally, the system can also comprise a wind speed sensor and a singlechip; the singlechip is respectively connected with the data acquisition box and the multichannel controller;
the weather data obtaining module 510 may specifically include:
the wind direction data acquisition unit is used for reading the average value of wind directions output by the wind speed sensor by the data acquisition box, and the data acquisition box also records and stores voltage signals or analog signals corresponding to the live wind speed and wind direction data acquired by the wind speed sensor;
the atmospheric sampling port switching module 530 may specifically include:
and the atmospheric component sampling unit is used for opening a corresponding electromagnetic valve through an electromagnetic valve control panel according to the target control signal by the singlechip, further communicating the gas paths of the electromagnetic valves connected in series, completing the selection and switching of the atmospheric sampling ports, and realizing the atmospheric component sampling by adopting the atmospheric sampling ports of the target channels.
Optionally, the system further comprises an analyzer;
the apparatus may further include:
the analyzer display module is used for displaying the atmospheric data acquired by the atmospheric sampling port of the target channel by using the analyzer, and the sampling port comprises a waterproof cover and a filter and is used for preventing precipitation and/or atmospheric particulate matters from entering the pipeline and being inhaled by the analyzer.
Based on the same thought, the embodiment of the specification also provides a multi-pipeline sample injection device for ship-borne atmospheric component sailing observation. As shown in fig. 6, may include:
the communication unit/communication interface is used for acquiring meteorological data acquired by the data acquisition box; the meteorological data at least comprises wind direction data;
the processing unit/processor is used for determining quadrant information of the wind direction data and generating a target control signal based on the quadrant information and the attitude information of the current ship body;
and controlling the working state of the electromagnetic valve based on the target control signal, and automatically switching to an atmosphere sampling port of a target channel corresponding to the quadrant information so as to sample the atmosphere data.
As shown in fig. 6, the terminal device may further include a communication line. The communication line may include a pathway to communicate information between the aforementioned components.
Optionally, as shown in fig. 6, the terminal device may further include a memory. The memory is used for storing computer-executable instructions for executing the scheme of the invention, and the processor is used for controlling the execution. The processor is configured to execute computer-executable instructions stored in the memory, thereby implementing the method provided by the embodiment of the invention.
In a specific implementation, as one embodiment, as shown in FIG. 6, the processor may include one or more CPUs, such as CPU0 and CPU1 in FIG. 6.
In a specific implementation, as an embodiment, as shown in fig. 6, the terminal device may include a plurality of processors, such as the processor in fig. 6. Each of these processors may be a single-core processor or a multi-core processor.
The above description has been presented mainly in terms of interaction between the modules, and the solution provided by the embodiment of the present invention is described. It is understood that each module, in order to implement the above-mentioned functions, includes a corresponding hardware structure and/or software unit for performing each function. Those of skill in the art will readily appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as hardware or combinations of hardware and computer software. Whether a function is implemented as hardware or computer software driven hardware depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
The embodiment of the invention can divide the functional modules according to the method example, for example, each functional module can be divided corresponding to each function, or two or more functions can be integrated in one processing module. The integrated modules may be implemented in hardware or in software functional modules. It should be noted that, in the embodiment of the present invention, the division of the modules is schematic, which is merely a logic function division, and other division manners may be implemented in actual implementation.
The processor in this specification may also have a function of a memory. The memory is used for storing computer-executable instructions for executing the scheme of the invention, and the processor is used for controlling the execution. The processor is configured to execute computer-executable instructions stored in the memory, thereby implementing the method provided by the embodiment of the invention.
The memory may be, but is not limited to, read-only memory (ROM) or other type of static storage device that can store static information and instructions, random access memory (random access memory, RAM) or other type of dynamic storage device that can store information and instructions, but may also be electrically erasable programmable read-only memory (EEPROM), compact disc-only memory (compact disc read-only memory, CD-ROM) or other optical disk storage, optical disk storage (including compact disc, laser disc, optical disc, digital versatile disc, blu-ray disc, etc.), magnetic disk storage media or other magnetic storage devices, or any other medium that can be used to carry or store desired program code in the form of instructions or data structures and that can be accessed by a computer. The memory may be stand alone and be coupled to the processor via a communication line. The memory may also be integrated with the processor.
Alternatively, the computer-executable instructions in the embodiments of the present invention may be referred to as application program codes, which are not particularly limited in the embodiments of the present invention.
The method disclosed by the embodiment of the invention can be applied to a processor or realized by the processor. The processor may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the above method may be performed by integrated logic circuits of hardware in a processor or by instructions in the form of software. The processor may be a general purpose processor, a digital signal processor (digital signal processing, DSP), an ASIC, an off-the-shelf programmable gate array (field-programmable gate array, FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware components. The disclosed methods, steps, and logic blocks in the embodiments of the present invention may be implemented or performed. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of the method disclosed in connection with the embodiments of the present invention may be embodied directly in the execution of a hardware decoding processor, or in the execution of a combination of hardware and software modules in a decoding processor. The software modules may be located in a random access memory, flash memory, read only memory, programmable read only memory, or electrically erasable programmable memory, registers, etc. as well known in the art. The storage medium is located in a memory, and the processor reads the information in the memory and, in combination with its hardware, performs the steps of the above method.
In a possible implementation manner, a computer readable storage medium is provided, where instructions are stored, and when the instructions are executed, the computer readable storage medium is used to implement the method in the above embodiment.
In the above embodiments, it may be implemented in whole or in part by software, hardware, firmware, or any combination thereof. When implemented in software, may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer programs or instructions. When the computer program or instructions are loaded and executed on a computer, the processes or functions described in the embodiments of the present invention are performed in whole or in part. The computer may be a general purpose computer, a special purpose computer, a computer network, a terminal, a user equipment, or other programmable apparatus. The computer program or instructions may be stored in a computer readable storage medium or transmitted from one computer readable storage medium to another computer readable storage medium, for example, the computer program or instructions may be transmitted from one website site, computer, server, or data center to another website site, computer, server, or data center by wired or wireless means. The computer readable storage medium may be any available medium that can be accessed by a computer or a data storage device such as a server, data center, etc. that integrates one or more available media. The usable medium may be a magnetic medium, e.g., floppy disk, hard disk, tape; optical media, such as digital video discs (digital video disc, DVD); but also semiconductor media such as solid state disks (solid state drive, SSD).
Although the invention is described herein in connection with various embodiments, other variations to the disclosed embodiments can be understood and effected by those skilled in the art in practicing the claimed invention, from a study of the drawings, the disclosure, and the appended claims. In the claims, the word "comprising" does not exclude other elements or steps, and the "a" or "an" does not exclude a plurality. A single processor or other unit may fulfill the functions of several items recited in the claims. The mere fact that certain measures are recited in mutually different dependent claims does not indicate that a combination of these measures cannot be used to advantage.
Although the invention has been described in connection with specific features and embodiments thereof, it will be apparent that various modifications and combinations can be made without departing from the spirit and scope of the invention. Accordingly, the specification and drawings are merely exemplary illustrations of the present invention as defined in the appended claims and are considered to cover any and all modifications, variations, combinations, or equivalents that fall within the scope of the invention. It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (10)
1. The multi-pipeline sampling method for the ship-borne atmospheric component sailing observation is characterized by being applied to a multi-pipeline sampling system for the ship-borne atmospheric component sailing observation, wherein the system at least comprises multi-channel atmospheric sampling ports, and each atmospheric sampling port is arranged in different directions of a ship body reference object;
the method comprises the following steps:
acquiring meteorological data acquired by a data acquisition box; the meteorological data at least comprises wind direction data;
determining quadrant information of the wind direction data, and generating a target control signal based on the quadrant information and the attitude information of the current ship body;
and controlling the working state of the electromagnetic valve based on the target control signal, and automatically switching to an atmosphere sampling port of a target channel corresponding to the quadrant information so as to sample the atmosphere data.
2. The multi-pipeline sampling method for on-board atmospheric component sailing observation according to claim 1, wherein determining quadrant information to which the wind direction data belongs and generating a target control signal based on the quadrant information and posture information of a current hull, specifically comprises:
determining quadrant information of the wind direction data based on meteorological data displayed by the data acquisition box;
Determining a target channel where an atmospheric sampling port in a quadrant corresponding to the quadrant information is located by combining the attitude information of the current ship body;
generating a target control signal based on the target channel; the target control signal at least comprises target channel information to be switched.
3. The multi-pipeline sampling method for on-board atmospheric component sailing observation according to claim 2, wherein the system further comprises a multi-channel controller; the multi-channel controller comprises a plurality of electromagnetic valves and an electromagnetic valve control panel;
based on the working state of the target control signal control electromagnetic valve, the target control signal control electromagnetic valve is automatically switched to an atmosphere sampling port of a target channel corresponding to the quadrant information so as to sample atmosphere data, and the method specifically comprises the following steps:
sending the target control signal to the solenoid valve control panel;
the electromagnetic valve control panel controls the multi-path relay to supply power to the corresponding electromagnetic valve based on the target control signal;
and switching the sampling channel to a target channel corresponding to the quadrant information by electrifying and opening the corresponding electromagnetic valve.
4. The multi-pipeline sampling method for the navigation observation of the shipborne atmospheric components according to claim 1, wherein the ship body reference object is a ship body chimney, the atmospheric sampling ports are arranged on a top deck of the ship body, eight-channel multi-pipeline sampling ports are adopted, and the eight sampling ports are uniformly distributed in eight directions of the ship body chimney and far away from the ship body chimney; eight sampling ports and the ship chimney form eight quadrants, wherein the included angle area between any two adjacent sampling ports and the ship chimney is one quadrant.
5. The multi-pipeline sampling method for on-board atmospheric component sailing observation according to claim 4, wherein the determining quadrant information to which the wind direction data belongs and generating a target control signal based on the quadrant information and the posture information of the current hull specifically comprises:
determining a target direction of eight directions to which the wind direction belongs based on the wind direction data;
determining a target quadrant to which the target direction belongs;
and generating control signals for indicating the electromagnetic valve control panel to open the electromagnetic valve corresponding to the target quadrant and simultaneously closing other electromagnetic valves based on the target quadrant and the attitude information of the current ship body.
6. The multi-pipeline sampling method for on-board atmosphere component sailing observation according to claim 3, wherein the system further comprises a wind speed sensor and a singlechip; the singlechip is respectively connected with the data acquisition box and the multichannel controller;
the meteorological data acquired by the acquired data acquisition box specifically comprises:
the data acquisition box is used for reading the average value of the wind direction output by the wind speed sensor, and also recording and storing voltage signals or analog signals corresponding to the live wind speed and wind direction data acquired by the wind speed sensor, when the relative wind direction changes, the state of the wind speed sensor changes, and the data acquisition box is used for recording the latest wind speed and wind direction data;
The method for automatically switching to the atmospheric sampling port of the target channel corresponding to the quadrant information based on the working state of the target control signal control electromagnetic valve so as to sample the atmospheric data specifically comprises the following steps:
the singlechip opens corresponding electromagnetic valves through an electromagnetic valve control panel according to the target control signal, and then communicates the gas paths of the electromagnetic valves connected in series, so that the selection and the switching of the atmosphere sampling ports of the target channels are completed, and the atmosphere component sampling is realized by adopting the atmosphere sampling ports of the target channels.
7. The multi-pipeline sampling method for on-board airborne observation of atmospheric components according to claim 4, wherein the system further comprises an analyzer;
the method includes the steps of controlling the working state of the electromagnetic valve based on the target control signal, automatically switching to an atmosphere sampling port of a target channel corresponding to the quadrant information, and after performing atmosphere data sampling, further comprising:
the analyzer is used for displaying the atmospheric data acquired by the atmospheric sampling port of the target channel, and the sampling port comprises a waterproof cover and a filter and is used for preventing precipitation and/or atmospheric particulates from entering the pipeline and being inhaled by the analyzer.
8. A multi-pipeline sample injection device for ship-borne atmospheric component sailing observation, which is characterized in that the device is applied to the multi-pipeline sample injection method for ship-borne atmospheric component sailing observation according to any one of claims 1 to 7; the device comprises:
The meteorological data acquisition module is used for acquiring meteorological data acquired by the data acquisition box; the meteorological data at least comprises wind direction data;
the quadrant information determining module is used for determining quadrant information of the wind direction data and generating a target control signal based on the quadrant information and the attitude information of the current ship body;
and the atmosphere sampling port switching module is used for controlling the working state of the electromagnetic valve based on the target control signal and automatically switching to the atmosphere sampling port of the target channel corresponding to the quadrant information so as to sample the atmosphere data.
9. A multi-pipeline sample injection device for on-board atmosphere component sailing observation, characterized in that the device is applied to the multi-pipeline sample injection method for on-board atmosphere component sailing observation according to any one of claims 1 to 7, and the device comprises:
the communication unit/communication interface is used for acquiring meteorological data acquired by the data acquisition box; the meteorological data at least comprises wind direction data;
the processing unit/processor is used for determining quadrant information of the wind direction data and generating a target control signal based on the quadrant information and the attitude information of the current ship body;
and controlling the working state of the electromagnetic valve based on the target control signal, and automatically switching to an atmosphere sampling port of a target channel corresponding to the quadrant information so as to sample the atmosphere data.
10. A computer storage medium having instructions stored therein that, when executed, implement the multi-pipeline sampling method of on-board atmospheric composition navigation observation of any one of claims 1 to 7.
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