CN113607493A - Online automatic sampling method and device for ocean buoy - Google Patents
Online automatic sampling method and device for ocean buoy Download PDFInfo
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- CN113607493A CN113607493A CN202110868400.4A CN202110868400A CN113607493A CN 113607493 A CN113607493 A CN 113607493A CN 202110868400 A CN202110868400 A CN 202110868400A CN 113607493 A CN113607493 A CN 113607493A
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- 238000005070 sampling Methods 0.000 title claims abstract description 249
- 238000000034 method Methods 0.000 title claims abstract description 28
- 239000013535 sea water Substances 0.000 claims abstract description 106
- 239000007788 liquid Substances 0.000 claims description 29
- 230000002572 peristaltic effect Effects 0.000 claims description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 18
- 238000007781 pre-processing Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 238000012544 monitoring process Methods 0.000 description 19
- 238000004891 communication Methods 0.000 description 10
- 239000011521 glass Substances 0.000 description 6
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000010365 information processing Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
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- 230000004048 modification Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B22/00—Buoys
- B63B22/24—Buoys container type, i.e. having provision for the storage of material
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/00584—Control arrangements for automatic analysers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
- G01N2001/1418—Depression, aspiration
- G01N2001/1427—Positive displacement, piston, peristaltic
Abstract
The invention discloses an online automatic sampling method and device for an ocean buoy, wherein the online automatic sampling method for the ocean buoy comprises the following steps: receiving a seawater sampling flow mode control signal; starting a sampling route according to a seawater sampling flow mode, wherein the sampling route comprises a first route and a second route; receiving a seawater sampling mode control signal, wherein the sampling mode comprises single sampling, timing sampling and time equal ratio sampling; and sampling the seawater according to the seawater sampling mode. The invention realizes automatic online seawater sampling, reduces the labor intensity of experimenters, realizes the timeliness of sampling, shortens the time for collecting and preprocessing water samples, ensures the effectiveness of analysis data, effectively controls secondary pollution in the sampling process, and improves the authenticity of the water samples measured by various analysis instruments.
Description
Technical Field
The invention relates to the technical field of oceans, in particular to an online automatic sampling method and device for an ocean buoy.
Background
The ocean monitoring mainly comprises two methods, namely, directly putting a sensor into seawater for measurement; secondly, sampling seawater, and analyzing and measuring in a laboratory by using an instrument. There are also many environmental parameters that cannot be measured by sensors, such as H-3, C-14, Sr-90, Cs-137, and gamma nuclide analysis items, which can only be analyzed by sampling. The water sampling device widely used at present is a Niskin sampling bottle (Niskin bottle), but the inclination of a steel wire rope tied by the Niskin sampling bottle, which is influenced by ocean currents, cannot be controlled, and the hanging of the water sampling bottle and the operation of a hammer are complicated and time-consuming, and cannot meet the requirement of automatic online sampling.
Disclosure of Invention
The invention mainly aims to provide an online automatic sampling method and device for an ocean buoy.
In order to achieve the above object, the present invention provides an online automatic sampling method for an ocean buoy, which comprises the following steps:
receiving a seawater sampling flow mode control signal;
starting a sampling route according to a seawater sampling flow mode, wherein the sampling route comprises a first route and a second route;
receiving a seawater sampling mode control signal, wherein the sampling mode comprises single sampling, timing sampling and time equal ratio sampling; and
and sampling the seawater according to a seawater sampling mode.
Optionally, the seawater sampling flow rate includes a large flow rate and a small flow rate, wherein the large flow rate is to store seawater into a large container, and the small flow rate is to store seawater into a small container.
Optionally, the sampling route is started according to the seawater sampling flow manner, and the sampling route including the first route and the second route specifically includes the following steps:
when the flow rate of the seawater is large, controlling to open a first route;
and when the flow of the seawater is small, controlling to open the second route.
Optionally, the first route includes immersible pump, flowmeter, a plurality of first ooff valve, second ooff valve, a plurality of flowing back pump and a plurality of storage appearance bucket, the immersible pump is connected the one end of flowmeter, the other end of flowmeter is connected respectively the one end of a plurality of first ooff valves reaches the one end of second ooff valve, the other end of a plurality of first ooff valves is connected respectively a plurality of storage appearance buckets, a plurality of flowing back pump one end respectively with a plurality of storage appearance buckets intercommunication, the second ooff valve is connected respectively to the other end.
Optionally, the second route includes a peristaltic pump, a plurality of liquid distribution valves and a plurality of sample storage bottles, the peristaltic pump is connected with the plurality of liquid distribution valves, and the plurality of liquid distribution valves are connected with the plurality of sample storage bottles respectively.
Optionally, the seawater sampling according to the seawater sampling mode includes the following steps:
and when the seawater sampling mode is single sampling, controlling to start the first route or the second route.
Optionally, the seawater sampling according to the seawater sampling mode includes the following steps:
when the seawater sampling mode is timing sampling, acquiring actual time;
and judging whether the actual time reaches the preset time or not, and controlling to start the first route or the second route when the actual time reaches the preset time.
Optionally, the seawater sampling according to the seawater sampling mode includes the following steps:
when the seawater sampling mode is time equal ratio sampling, setting interval sampling time as delta T and acquiring actual time TnN is a positive integer and n is 1, 2, 3 … …;
judgment of TnWhether or not equal to Deltat + Tn-1N is a positive integer and n is 1, 2, 3 … …, when T isnEqual to Δ T + Tn-1Time, judge the actual time Tn+1Whether or not to equal TnAt + preset time, when actual time Tn+1Is equal to TnAnd controlling to start the first route or the second route at the preset time.
The invention also provides an online automatic sampling device for the ocean buoy, which comprises:
the first receiving module is used for receiving a seawater sampling flow mode control signal;
the starting module is used for starting a sampling route according to a seawater sampling flow mode, and the sampling route comprises a first route and a second route;
the second receiving module is used for receiving a seawater sampling mode control signal, and the sampling mode comprises single sampling, timing sampling and time equal ratio sampling; and
and the sampling module is used for sampling the seawater according to the seawater sampling mode.
Compared with the prior art, the invention has the following beneficial effects:
the technical scheme of the ocean buoy online automatic sampling method includes that a seawater sampling flow mode control signal is received, a sampling route is started according to a seawater sampling flow mode, the sampling route comprises a first route and a second route, a seawater sampling mode control signal is received, the sampling mode comprises single sampling, timing sampling, time equal ratio sampling and seawater sampling according to a seawater sampling mode, automatic online seawater sampling is achieved, labor intensity of experimenters is relieved, timeliness of sampling is achieved, water sample collecting and preprocessing time is shortened, effectiveness of analysis data is guaranteed, secondary pollution in the sampling process is effectively controlled, and authenticity of water samples measured by various analysis instruments is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a flow chart of an embodiment of an online automatic sampling method for a marine buoy of the present invention;
FIG. 2 is a circuit diagram of an embodiment of an online automatic sampling method for an ocean buoy according to the present invention;
fig. 3 is a block diagram of an embodiment of the online automatic sampling device for an ocean buoy of the invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
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| 18 | PH sensor |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Fig. 1 is a flow chart of a preferred embodiment of the online automatic sampling method for an ocean buoy of the present invention, which includes:
s100, receiving a seawater sampling flow mode control signal;
in an embodiment of the present invention, the automatic sampling system is provided with a monitoring terminal and a buoy device, the monitoring terminal is a device capable of automatically performing numerical calculation and/or information processing according to a preset or stored instruction, and hardware thereof includes, but is not limited to, a microprocessor, an Application Specific Integrated Circuit (ASIC), a Programmable gate Array (FPGA), a Digital Signal Processor (DSP), an embedded device, and the like.
The monitoring terminal may also be, but is not limited to, any electronic product that can perform human-computer interaction with a user through a keyboard, a mouse, a remote controller, a touch panel, or a voice control device, for example, a Personal computer, a tablet computer, a smart phone, a Personal Digital Assistant (PDA), a game machine, an interactive web tv (IPPV), an intelligent wearable device, a robot, or the like.
The monitoring terminal can also be a desktop computer, a notebook, a palm computer, a cloud server and other computing equipment.
The network where the monitoring terminal and the buoy device are located includes, but is not limited to, the internet, a wide area network, a metropolitan area network, a local area network, a Virtual Private Network (VPN), and the like.
The buoy device is provided with a control system, the control system consists of a PLC and a Cloud Box, and the Cloud Box integrates a 4G communication module, can directly perform two-way data communication with a Cloud end, and further performs the two-way data communication with a monitoring terminal.
The control interface is provided with a seawater sampling flow mode, the seawater sampling flow comprises a large flow and a small flow, wherein the large flow is defined as storing seawater into a large container, and the control interface is provided with 4 25L plastic sample storage barrels which independently use a large flow sampling pump; the small flow is to store the seawater into a small container, and the invention is provided with 14 1L glass sample storage bottles which independently use a small flow sampling pump and a small pipe flow path;
and after the flow mode is selected, the monitoring terminal sends a signal to a control system of the buoy device through wireless communication.
S200, starting a sampling route according to a seawater sampling flow mode, wherein the sampling route comprises a first route and a second route;
in an embodiment of the present invention, the buoy device is provided with a first route and a second route, and an electromagnetic valve is respectively disposed corresponding to the first route and the second route, and the control system controls the on/off of the corresponding electromagnetic valve to further control the opening of the first route or the second route, referring to fig. 2, the first route includes a submersible pump 11, a flow meter 12, a plurality of first switch valves 13, a second switch valve 14, a plurality of liquid discharge pumps 15 and a plurality of sample storage tanks 16, the submersible pump 11 is connected to one end of the flow meter 12 through a pipeline, the other end of the flow meter 12 is respectively connected to one ends of the plurality of first switch valves 13 and one end of the second switch valve 14 through a pipeline, the other ends of the plurality of first switch valves 13 are respectively connected to the plurality of sample storage tanks 16 through a management, one ends of the plurality of liquid discharge pumps 15 are respectively communicated with the plurality of sample storage tanks 16 through a pipeline, the other ends are respectively connected with a second switch valve 14 through pipelines; further, the first route further comprises a proportional control valve 17 and a PH sensor 18, the proportional control valve 17 is connected with the submersible pump 11 through a pipeline, the PH sensor 18 is arranged on a pipeline communicated with the plurality of liquid discharge pumps 15 and the second switch valve 14, the plurality of first switch valves 13 are sequentially opened after the submersible pump 11 is opened, so that seawater is respectively filled into the sample storage barrel 16, and when the electromagnetic valve of the first route is in a closed state, the submersible pump 11 starts to work, and seawater is pumped into the pipeline and then enters the sample storage barrel;
the sampling pump selects the corrosion-resistant immersible pump for use, can ensure that the sampling pipeline can realize from the emptying function, and the sampling pipeline design has the reposition of redundant personnel bypass, shunts the size through proportional control valve adjustment to reach the purpose of control sampling speed. The proportional control valve can control the opening of the valve according to the requirement, the larger the opening is, the more the water sample is shunted, the less the water sample enters the sample storage barrel, and the longer the sampling time is; the smaller the valve opening, the less the water sample is shunted, the more the water sample enters the sample storage barrel, and the sampling time can be correspondingly shortened.
During sampling, the switch valves of other flow paths are closed, only the switch valve of the corresponding sample storage barrel is opened, the submersible pump is operated, the pulse number of the flow meter is read in real time, the pulse number is converted into the accumulated flow, when the flow reaches the set sampling amount, sample introduction is stopped, the sampling port is arranged at the position of 1.5 meters underwater, and liquid drainage and overflow of the system are on the surface layer to prevent mutual interference.
In consideration of severe marine operation environment, the system control box adopts a fully-sealed box body, and main control elements are all arranged in the sealed box body. Each pump valve is distributed with an independent control relay, so that the instant power failure is convenient when an accident occurs.
The second route includes peristaltic pump 21, a plurality of liquid distribution valve 22 and a plurality of storage bottle 23, peristaltic pump 21 passes through the tube coupling a plurality of liquid distribution valve 22's one end, a plurality of liquid distribution valve 22 respectively with a plurality of storage bottle 23 pass through the tube coupling, work as when the solenoid valve of second route is in the closed condition, peristaltic pump 21 work is with the sea water via the pipeline take out extremely storage bottle 23.
The small-flow sampling system uses a peristaltic pump with positive and negative rotation functions and is matched with a liquid distribution valve, wherein the positive rotation is used for sample introduction, and the negative rotation is used for liquid discharge. The glass sample storage bottle only has one working mode because acid fixation is not strengthened. When the system operates, the peristaltic pump positively rotates to sample and then reversely rotates to discharge a water sample, the glass bottle is rinsed, then the sampling time of a set amount of sample is calculated according to the per minute sampling amount of the peristaltic pump, and the operation of the peristaltic pump is controlled according to the time.
S300, receiving a seawater sampling mode control signal, wherein the sampling mode comprises single sampling, timing sampling and time equal ratio sampling;
in an embodiment of the present invention, the monitoring terminal is provided with a seawater sampling mode for a user to select, where the sampling mode includes single sampling, timed sampling, and time-proportional sampling, and after the seawater sampling mode is selected, a signal is sent to the buoy through wireless communication, and the buoy receives a corresponding control signal, and specifically, the memory of the monitoring terminal stores the setting modes of the single sampling, the timed sampling, and the time-proportional sampling, such as the single sampling mode is stored as 01, the timed sampling is stored as 02, and the time-proportional sampling is stored as 03.
And S400, sampling the seawater according to the seawater sampling mode.
In an embodiment of the present invention, when the seawater sampling mode is single sampling, the buoy controls to open the first route or the second route; specifically, after receiving a seawater sampling mode control signal, when the buoy device identifies that the sampling mode is 01, the buoy device controls to start the first route or the second route;
when the seawater sampling mode is timing sampling, acquiring actual time, and specifically, after receiving a seawater sampling mode control signal, when the buoy device identifies that the sampling mode is 02, controlling to start a first route or a second route by the buoy device;
and judging whether the actual time reaches the preset time or not, and controlling to start the first route or the second route when the actual time reaches the preset time.
When the seawater sampling mode is time equal ratio sampling, setting interval sampling time as delta T and acquiring actual time TnN is a positive integer and n is 1, 2, 3 … …; specifically, when the buoy device identifies that the sampling mode is 03 after receiving the seawater sampling mode control signal, the interval sampling time is set to be delta T and the actual time T is acquirednN is a positive integer and n is 1, 2, 3 … …;
judgment of TnWhether or not equal to Deltat + Tn-1N is a positive integer and n is 1, 2, 3 … …, when T isnEqual to Δ T + Tn-1Time, judge the actual time Tn+1Whether or not to equal TnAt + preset time, when actual time Tn+1Is equal to TnControlling to start the first route or the second route at the preset time;
the automatic sampling is performed according to the "shift XX min per XX h interval" of the timing setting interface, for example: with an offset of 5min every 1h, the auto-sampling time points are 0:05, 1:05, 2:05, 3:05 … ….
The method can realize automatic sampling of the ocean floating device, reduces the labor intensity of experimenters, shortens the time for collecting and preprocessing the water sample, ensures the effectiveness of analysis data, effectively controls secondary pollution in the sampling process, and improves the authenticity of the measured water sample.
In order to implement the method shown in fig. 1, the present application provides a schematic structural diagram of an embodiment of an online automatic sampling method for an ocean buoy, where the embodiment of the apparatus corresponds to the embodiment of the method shown in fig. 1, and the apparatus may be applied to various electronic devices.
As shown in fig. 3, the ocean buoy online automatic sampling device 500 according to the present embodiment includes:
a first receiving module 510, configured to receive a seawater sampling flow mode control signal;
in an embodiment of the present invention, the automatic sampling system is provided with a monitoring terminal and a buoy device, the monitoring terminal is a device capable of automatically performing numerical calculation and/or information processing according to a preset or stored instruction, and hardware thereof includes, but is not limited to, a microprocessor, an Application Specific Integrated Circuit (ASIC), a Programmable gate Array (FPGA), a Digital Signal Processor (DSP), an embedded device, and the like.
The monitoring terminal may also be, but is not limited to, any electronic product that can perform human-computer interaction with a user through a keyboard, a mouse, a remote controller, a touch panel, or a voice control device, for example, a Personal computer, a tablet computer, a smart phone, a Personal Digital Assistant (PDA), a game machine, an interactive web tv (IPPV), an intelligent wearable device, a robot, or the like.
The monitoring terminal can also be a desktop computer, a notebook, a palm computer, a cloud server and other computing equipment.
The network where the monitoring terminal and the buoy device are located includes, but is not limited to, the internet, a wide area network, a metropolitan area network, a local area network, a Virtual Private Network (VPN), and the like.
The buoy device is provided with a control system, the control system consists of a PLC and a Cloud Box, and the Cloud Box integrates a 4G communication module, can directly perform two-way data communication with a Cloud end, and further performs the two-way data communication with a monitoring terminal.
The control interface is provided with a seawater sampling flow mode, the seawater sampling flow comprises a large flow and a small flow, wherein the large flow is defined as storing seawater into a large container, and the control interface is provided with 4 25L plastic sample storage barrels which independently use a large flow sampling pump; the small flow is to store the seawater into a small container, and the invention is provided with 14 1L glass sample storage bottles which independently use a small flow sampling pump and a small pipe flow path;
and after the flow mode is selected, the monitoring terminal sends a signal to a control system of the buoy device through wireless communication.
The starting module 520 is configured to start a sampling route according to a seawater sampling flow manner, where the sampling route includes a first route and a second route;
in an embodiment of the present invention, the buoy device is provided with a first route and a second route, and an electromagnetic valve is respectively disposed corresponding to the first route and the second route, and the control system controls the on/off of the corresponding electromagnetic valve to further control the opening of the first route or the second route, referring to fig. 2, the first route includes a submersible pump 11, a flow meter 12, a plurality of first switch valves 13, a second switch valve 14, a plurality of liquid discharge pumps 15 and a plurality of sample storage tanks 16, the submersible pump 11 is connected to one end of the flow meter 12 through a pipeline, the other end of the flow meter 12 is respectively connected to one ends of the plurality of first switch valves 13 and one end of the second switch valve 14 through a pipeline, the other ends of the plurality of first switch valves 13 are respectively connected to the plurality of sample storage tanks 16 through a management, one ends of the plurality of liquid discharge pumps 15 are respectively communicated with the plurality of sample storage tanks 16 through a pipeline, the other ends are respectively connected with a second switch valve 14 through pipelines; further, the first route further comprises a proportional control valve 17 and a PH sensor 18, the proportional control valve 17 is connected with the submersible pump 11 through a pipeline, the PH sensor 18 is arranged on a pipeline communicated with the plurality of liquid discharge pumps 15 and the second switch valve 14, after the submersible pump 11 is started, the plurality of first switch valves 13 are sequentially opened, so that seawater is respectively filled into the sample storage barrels 16, so that the seawater is respectively filled into the sample storage barrels 16, when the electromagnetic valve of the first route is in a closed state, the submersible pump 11 starts to work, and the seawater is pumped to the pipeline and then enters the sample storage barrels;
the sampling pump selects the corrosion-resistant immersible pump for use, can ensure that the sampling pipeline can realize from the emptying function, and the sampling pipeline design has the reposition of redundant personnel bypass, shunts the size through proportional control valve adjustment to reach the purpose of control sampling speed. The proportional control valve can control the opening of the valve according to the requirement, the larger the opening is, the more the water sample is shunted, the less the water sample enters the sample storage barrel, and the longer the sampling time is; the smaller the valve opening, the less the water sample is shunted, the more the water sample enters the sample storage barrel, and the sampling time can be correspondingly shortened.
During sampling, the switch valves of other flow paths are closed, only the switch valve of the corresponding sample storage barrel is opened, the submersible pump is operated, the pulse number of the flow meter is read in real time, the pulse number is converted into the accumulated flow, when the flow reaches the set sampling amount, sample introduction is stopped, the sampling port is arranged at the position of 1.5 meters underwater, and liquid drainage and overflow of the system are on the surface layer to prevent mutual interference.
In consideration of severe marine operation environment, the system control box adopts a fully-sealed box body, and main control elements are all arranged in the sealed box body. Each pump valve is distributed with an independent control relay, so that the instant power failure is convenient when an accident occurs.
The second route includes peristaltic pump 21, a plurality of liquid distribution valve 22 and a plurality of storage bottle 23, peristaltic pump 21 passes through the tube coupling a plurality of liquid distribution valve 22's one end, a plurality of liquid distribution valve 22 respectively with a plurality of storage bottle 23 pass through the tube coupling, work as when the solenoid valve of second route is in the closed condition, peristaltic pump 21 work is with the sea water via the pipeline take out extremely storage bottle 23.
The small-flow sampling system uses a peristaltic pump with positive and negative rotation functions and is matched with a liquid distribution valve, wherein the positive rotation is used for sample introduction, and the negative rotation is used for liquid discharge. The glass sample storage bottle only has one working mode because acid fixation is not strengthened. When the system operates, the peristaltic pump positively rotates to sample and then reversely rotates to discharge a water sample, the glass bottle is rinsed, then the sampling time of a set amount of sample is calculated according to the per minute sampling amount of the peristaltic pump, and the operation of the peristaltic pump is controlled according to the time.
A second receiving module 530, configured to receive a seawater sampling mode control signal, where the sampling mode includes single sampling, timing sampling, and time-equal ratio sampling;
in an embodiment of the present invention, the monitoring terminal is provided with a seawater sampling mode for a user to select, the sampling mode includes single sampling, timed sampling and time-proportional sampling, after the seawater sampling mode is selected, a signal is sent to the buoy through wireless communication, the second receiving module of the buoy receives a corresponding control signal, specifically, the memory of the monitoring terminal stores the setting modes of the single sampling, the timed sampling and the time-proportional sampling, for example, the single sampling mode is stored as 01, the timed sampling is stored as 02, and the time-proportional sampling is stored as 03
And the sampling module 540 is configured to sample seawater according to a seawater sampling mode.
In an embodiment of the present invention, when the seawater sampling mode is single sampling, the buoy controls to open the first route or the second route; specifically, after receiving the seawater sampling mode control signal, the buoy device controls to start the submersible pump when recognizing that the sampling mode is 01.
When the seawater sampling mode is timing sampling, acquiring actual time;
and judging whether the actual time reaches the preset time or not, and controlling to start the first route or the second route when the actual time reaches the preset time.
When the seawater sampling mode is time equal ratio sampling, setting interval sampling time as delta T and acquiring actual time TnN is a positive integer and n is 1, 2, 3 … …;
judgment of TnWhether or not equal to Deltat + Tn-1N is a positive integer and n is 1, 2, 3 … …, when T isnEqual to Δ T + Tn-1Time, judge the actual time Tn+1Whether or not to equal TnAt + preset time, when actual time Tn+1Is equal to TnAnd controlling to start the first route or the second route at the preset time.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. An online automatic sampling method for an ocean buoy is characterized by comprising the following steps:
receiving a seawater sampling flow mode control signal;
starting a sampling route according to a seawater sampling flow mode, wherein the sampling route comprises a first route and a second route;
receiving a seawater sampling mode control signal, wherein the sampling mode comprises single sampling, timing sampling and time equal ratio sampling; and
and sampling the seawater according to a seawater sampling mode.
2. The method for on-line automatic sampling of the ocean buoy according to claim 1, wherein the seawater sampling flow comprises a large flow and a small flow, wherein the large flow is used for rapidly storing the seawater into a large container, and the small flow is used for accurately storing the seawater into a small container.
3. The method for on-line automatic sampling of an ocean buoy according to claim 2, wherein the sampling route is started according to a seawater sampling flow mode, and the sampling route comprises a first route and a second route, and the method comprises the following steps:
when the flow rate of the seawater is large, controlling to open a first route;
and when the flow of the seawater is small, controlling to open the second route.
4. The method for on-line automatic sampling of the ocean buoy according to any one of claims 1 to 3, wherein the first route comprises a submersible pump, a flow meter, a plurality of first switch valves, a second switch valve, a plurality of liquid discharge pumps and a plurality of sample storage barrels, the submersible pump is connected with one end of the flow meter through a pipeline, the other end of the flow meter is respectively connected with one end of the first switch valves and one end of the second switch valves through pipelines, the other end of the first switch valves is respectively connected with the sample storage barrels through management, one end of each liquid discharge pump is respectively communicated with the sample storage barrels through a pipeline, and the other end of each liquid discharge pump is respectively connected with the second switch valve through a pipeline.
5. The method for on-line automatic sampling of an ocean buoy according to claim 4, wherein the second route comprises a peristaltic pump, a plurality of liquid distribution valves and a plurality of sample storage bottles, the peristaltic pump is connected with one ends of the liquid distribution valves through pipelines, and the liquid distribution valves are respectively connected with the sample storage bottles through pipelines.
6. The on-line automatic sampling method for the ocean buoy of claim 5, wherein the seawater sampling according to the seawater sampling mode comprises the following steps:
and when the seawater sampling mode is single sampling, controlling to start the first route or the second route.
7. The on-line automatic sampling method for the ocean buoy of claim 5, wherein the seawater sampling according to the seawater sampling mode comprises the following steps:
when the seawater sampling mode is timing sampling, acquiring actual time;
and judging whether the actual time reaches the preset time or not, and controlling to start the first route or the second route when the actual time reaches the preset time.
8. The on-line automatic sampling method for the ocean buoy of claim 5, wherein the seawater sampling according to the seawater sampling mode comprises the following steps:
when the seawater sampling mode is time equal ratio sampling, setting interval sampling time as delta T and acquiring actual time TnN is a positive integer and n is 1, 2, 3 … …;
judgment of TnWhether or not equal to Deltat + Tn-1N is a positive integer and n is 1, 2, 3 … …, when T isnEqual to Δ T + Tn-1Time, judge the actual time Tn+1Whether or not to equal TnAt + preset time, when actual time Tn+1Is equal to Tn+ Preset timeAnd controlling to start the first route or the second route.
9. The utility model provides an online automatic sampling device of ocean cursory device which characterized in that, automatic sampling device includes:
the first receiving module is used for receiving a seawater sampling flow mode control signal;
the starting module is used for starting a sampling route according to a seawater sampling flow mode, and the sampling route comprises a first route and a second route;
the second receiving module is used for receiving a seawater sampling mode control signal, and the sampling mode comprises single sampling, timing sampling and time equal ratio sampling; and
and the sampling module is used for sampling the seawater according to the seawater sampling mode.
10. The marine floating on-line automatic sampling device of claim 9, wherein the seawater sampling flow rate comprises a large flow rate and a small flow rate, wherein the large flow rate is to store seawater into a large container, and the small flow rate is to store seawater into a small container.
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