CN113252392A - Intelligent water sample collection device - Google Patents
Intelligent water sample collection device Download PDFInfo
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- CN113252392A CN113252392A CN202110536272.3A CN202110536272A CN113252392A CN 113252392 A CN113252392 A CN 113252392A CN 202110536272 A CN202110536272 A CN 202110536272A CN 113252392 A CN113252392 A CN 113252392A
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- control module
- motor
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- water
- valve
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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
Abstract
The invention relates to the technical field of water sample collecting devices, in particular to an intelligent water sample collecting device, which comprises a sampling bottle, a rigid pipe, a sensor, a control module, a flowmeter, a valve, a power mechanism, a remote controller and a power supply, wherein the rigid pipe is arranged on the sampling bottle; the hard tube is fixedly connected with the sampling bottle, the bottoms of the hard tube and the sampling bottle are flush, the sensor is fixedly arranged on the inner side wall of the hard tube, and the control module is used for controlling the starting or stopping of the power mechanism; the remote controller is used for sending a control instruction to the control module; the flowmeter is arranged on the inner side of the bottle mouth of the sampling bottle; the valve is arranged at the bottleneck of the sampling bottle, and the control module is used for controlling the opening and closing of the valve; the power supply is used for supplying electric energy to the control module; the power supply is electrically connected with the power mechanism and used for supplying electric energy to the power mechanism. The invention realizes fixed-depth collection, reduces the error of the depth caused by the flow velocity of water, adopts automatic water taking and overcomes the limitation of manual water taking.
Description
Technical Field
The invention relates to the technical field of water sample collection devices, in particular to an intelligent water sample collection device.
Background
At present, the water resource pollution condition in China is serious, the water pollution prevention work is urgent, the high-efficiency and comprehensive water quality information acquisition is a prerequisite condition of the water pollution prevention work, the water quality sampling work is a key link for acquiring the water quality information, the water quality sampling usually adopts a manual sampling and automatic sampling mode at present, and the water quality sampling mode and the automatic sampling mode have respective limitations and are mainly shown as follows: for fixed depth sampling, the difficulty is high, in order to determine whether the water sampler is lowered to a set water sampling depth in the lowering process of the water sampler, the water sampler is generally confirmed by drawing a mark on a rope of the water sampler, and the actual depth of the water sampler in a water body is influenced by the flow velocity of water, so that a large error often exists. (2) In the sampling process, how to automatically start the sampling of the water sampling device after reaching the specified depth and reserve the water sample with the preset depth is a key problem which needs to be solved urgently at present. (3) For a water area seriously polluted or suddenly leaked chemicals, the environment is severe, toxic and harmful substances or gases exist, manual collection has great danger, and collection is difficult in a traditional mode. (4) Unmanned aerial vehicle gathers and has that unmanned aerial vehicle bearing is limited, and the flight time that bears a burden is limited, can not carry out many times depthkeeping sampling for a long time, on a large scale.
Disclosure of Invention
1. Technical problem to be solved
The purpose of the invention is: the intelligent water sample collecting device can realize fixed-depth collection, reduce errors caused by the flow velocity of water to the depth, simultaneously realize the collection of a water sample with a specified depth, close a valve after the collection of the water sample is finished, and reduce errors caused by the exchange of the water samples with different depths when the water sample is taken out; the automatic water taking is adopted, so that the limitation of manual water taking is overcome; the floating water swimming in water utilizes the buoyancy of water, and overcomes the defect of short endurance mileage caused by gravity.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
An intelligent water sample collecting device comprises a sampling bottle, a hard tube, a sensor, a control module, a flowmeter, a valve, a power mechanism, a remote controller and a power supply;
the hard tube is fixedly connected with the sampling bottle, the bottom parts of the hard tube and the sampling bottle are flush, the sensor is fixedly arranged on the inner side wall of the hard tube and is positioned at the top part of the hard tube, and the sensor is electrically connected with the control module;
the control module is electrically connected with the power mechanism and is used for controlling the start or stop of the power mechanism;
the control module is in communication connection with the remote controller through the wireless module, and the remote controller is used for sending a control instruction to the control module;
the flow meter is electrically connected with the control module and is arranged on the inner side of the bottle mouth of the sampling bottle;
the valve is arranged at the bottleneck of the sampling bottle, the valve is electrically connected with the control module, and the control module is used for controlling the opening and closing of the valve;
the power supply is electrically connected with the control module and is used for providing electric energy for the control module;
the power supply is electrically connected with the power mechanism and used for supplying electric energy to the power mechanism.
Further, the power mechanism comprises a first motor, a second motor, a third motor and a fourth motor;
first motor, second motor, the equal fixed mounting of third motor are on the lateral wall of sampling bottle, and two adjacent motors are 120 degrees contained angles and arrange, and fourth motor fixed mounting is at the lower extreme of sampling bottle.
Further, the first motor, the second motor, the third motor and the fourth motor are all submersible motors.
Further, the sensor is a laser ranging sensor.
Further, the wireless module is a 2.4g module.
Further, the valve is a solenoid valve.
Furthermore, a waterproof processing unit is arranged on the outer side of the power supply.
Further, the control module comprises a single chip microcomputer.
Furthermore, the single chip microcomputer is STM32F103C 6.
Further, the singlechip has the following control flow:
step 1: the remote controller sends an instruction to the control module through the wireless module;
step 2: after receiving the signal, the control module controls the motor 1, the motor 2, the motor 3 and the motor 4 to execute displacement operation;
and step 3: when the control module receives a water sampling instruction, the control module confirms whether the water depth instruction is consistent with the depth measured by the sensor distance measurement, if the water depth is consistent with the water depth measured by the sensor, the step 4 is carried out, and if the water depth is not consistent with the water depth measured by the sensor, the step 5 is carried out;
and 4, step 4: opening a valve switch, detecting the water inflow, and entering step 6;
and 5: controlling the motor 4 to rotate, adjusting the depth of the sampling bottle, and returning to the step 2;
step 6: and (4) judging whether the flow reaches a preset threshold value, if so, closing a valve switch, and if not, returning to the step (4).
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
the invention can realize fixed-depth water sampling, when a sampling bottle reaches a specified depth under the drive of a fourth motor, a laser ranging sensor transmits a measured depth signal to a control module, the control module compares whether the depths are consistent, when the depths are consistent, a valve is opened, a flowmeter detects the water inflow, when the water inflow reaches a preset threshold value, the valve is closed, and when the depths are inconsistent, the motors are continuously driven to operate until the depths are consistent.
The hard pipe cannot bend under the action of the transverse water flow, and the error in depth caused by the transverse water flow can be effectively reduced.
And thirdly, after the sampling bottle adopts the specified depth sampling technology, the valve is closed, so that the interaction process of water samples with different depths is effectively avoided, and the accuracy of depth-fixed sampling is improved.
The wireless transmission module is adopted for control, and the sampling device can effectively guarantee the life safety of sampling personnel for water areas seriously polluted or suddenly leaked chemicals, severe environments or sampling positions with toxic and harmful substances or gases.
In the process of returning the collected water sample, the water sample moves to a position appointed by people under the driving of the motor, compared with the sampling of an unmanned aerial vehicle in the prior art, the unmanned aerial vehicle needs to overcome the gravity of the water sample and flies to the appointed position, and the unmanned aerial vehicle is limited in load and time of load flight and cannot carry load for a long time, so that limitation is caused.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic framework of the present invention;
FIG. 4 is a circuit diagram of the present invention;
FIG. 5 is a diagram of the laser ranging module of FIG. 4;
FIG. 6 is a block diagram of the solenoid valve switch control module of FIG. 4;
FIG. 7 is a diagram of the 2.4g radio transceiver module of FIG. 4;
FIG. 8 is a block diagram of the flow measurement module of FIG. 4;
FIG. 9 is a diagram of the power supply module of FIG. 4;
FIG. 10 is a block diagram of the motor wiring of FIG. 4;
FIG. 11 is a block diagram of the motor drive module of FIG. 4;
FIG. 12 is a block diagram of the control module of the chip microcomputer of FIG. 4;
FIG. 13 is a flow chart of the single chip microcomputer control of the present invention.
The reference numbers in the figures illustrate:
1. sampling a bottle; 2. a rigid tube; 3. a sensor; 4. a control module; 5. a flow meter; 6. a valve; 7. a first motor; 8. a second motor; 9. a third motor; 10. and a fourth motor.
Detailed Description
As shown in fig. 1-13, an intelligent water sampling device comprises a sampling bottle 1, a hard tube 2, a sensor 3, a control module 4, a flowmeter 5, a valve 6, a power mechanism, a remote controller and a power supply;
the bottom parallel and level between the hard tube 2 and the sampling bottle 1 is fixedly connected, and the depth of the lower end of the hard tube 2 is measured, so that the sampling depth of the sampling bottle 1 can be ensured. Because the hard tube 2 is made of hard materials, the hard tube is not easy to bend under the action of transverse water flow, the sampling depth can be effectively ensured, and the accuracy is improved in the aspect of the sampling depth.
The sensor 3 is fixedly arranged on the inner side wall of the hard tube 2, the sensor 3 is positioned at the top of the hard tube 2, and the sensor 3 is electrically connected with the control module 4; the sensor 3 is a laser ranging sensor. Can measure the distance from the upper end of the hard tube 2 to the water surface, thereby obtaining the depth of the sampling bottle 1.
The control module 4 is electrically connected with the power mechanism, and the control module 4 is used for controlling the starting or stopping of the power mechanism;
the power mechanism comprises a first motor 7, a second motor 8, a third motor 9 and a fourth motor 10; first motor 7, second motor 8, the equal fixed mounting of third motor 9 are on the lateral wall of sampling bottle 1, and two adjacent motors are 120 degrees contained angles and arrange, and first motor 7, second motor 8, third motor 9 can drive sampling bottle 1 and remove to the longitude and latitude coordinate of required sampling.
The fourth motor 10 is fixedly installed at the lower end of the sampling bottle 1, and the fourth motor 10 can drive the sampling bottle 1 to move to the depth of the required sampling.
The first motor 7, the second motor 8, the third motor 9 and the fourth motor 10 are all submersible motors.
The control module 4 is in communication connection with a remote controller through a wireless module, and the remote controller is used for sending a control instruction to the control module 4; the wireless module is a 2.4g module.
The flowmeter 5 is electrically connected with the control module 4, and the flowmeter 5 is arranged on the inner side of the bottle mouth of the sampling bottle 1; the flow meter 5 can detect the water inflow and feed back the amount of the water inflow to the control module 4.
The valve 6 is arranged at the bottleneck of the sampling bottle 1, the valve 6 is electrically connected with the control module 4, and the control module 4 is used for controlling the valve 6 to open and close;
the power supply is electrically connected with the control module 4 and is used for providing electric energy for the control module;
the power supply is electrically connected with the power mechanism and used for supplying electric energy to the power mechanism.
The valve 6 is a solenoid valve.
And a waterproof processing unit is arranged on the outer side of the power supply.
The control module 4 comprises a single chip microcomputer.
The model of the single chip microcomputer is STM32F103C 6.
The operation steps are as follows:
step 1: the worker holds the remote controller by hand and sends an instruction to the control module through the 2.4g wireless transceiver module;
step 2: after receiving the signal, the control module controls the motor 1, the motor 2, the motor 3 and the motor 4 to execute displacement operation; the motor 1, the motor 2 and the motor 3 can drive the sampling bottle 1 to move in the horizontal direction, so that the sampling bottle 1 reaches longitude and latitude coordinates of a water sample to be collected, and the motor 4 can drive the sampling bottle 1 to reach depth coordinates of the water sample to be collected;
and step 3: when the control module receives a water sampling instruction, the control module confirms whether the water depth instruction is consistent with the depth measured by the sensor distance measurement, if the water depth is consistent with the water depth measured by the sensor, the step 4 is carried out, and if the water depth is not consistent with the water depth measured by the sensor, the step 5 is carried out;
and 4, step 4: opening a valve switch, detecting the water inflow, and entering step 6;
and 5: controlling the motor 4 to rotate, adjusting the depth of the sampling bottle, and returning to the step 2;
step 6: and (4) judging whether the flow reaches a preset threshold value, if so, closing a valve switch, and if not, returning to the step (4).
Claims (10)
1. The utility model provides an intelligence collection water sample device which characterized in that: the sampling device comprises a sampling bottle (1), a hard tube (2), a sensor (3), a control module (4), a flowmeter (5), a valve (6), a power mechanism, a remote controller and a power supply;
the hard tube (2) is fixedly connected with the sampling bottle (1), the bottom of the hard tube and the bottom of the sampling bottle are parallel, the sensor (3) is fixedly installed on the inner side wall of the hard tube (2), the sensor (3) is located at the top of the hard tube (2), and the sensor (3) is electrically connected with the control module (4);
the control module (4) is electrically connected with the power mechanism, and the control module (4) is used for controlling the starting or stopping of the power mechanism;
the control module (4) is in communication connection with the remote controller through a wireless module, and the remote controller is used for sending a control instruction to the control module (4);
the flowmeter (5) is electrically connected with the control module (4), and the flowmeter (5) is installed on the inner side of the bottle mouth of the sampling bottle (1);
the valve (6) is arranged at the bottleneck of the sampling bottle (1), the valve (6) is electrically connected with the control module (4), and the control module (4) is used for controlling the valve (6) to be opened and closed;
the power supply is electrically connected with the control module (4) and is used for providing electric energy for the control module;
the power supply is electrically connected with the power mechanism and used for supplying electric energy to the power mechanism.
2. The intelligent water sampling device of claim 1, wherein: the power mechanism comprises a first motor (7), a second motor (8), a third motor (9) and a fourth motor (10);
first motor (7), second motor (8), the equal fixed mounting of third motor (9) are on the lateral wall of sampling bottle (1), and two adjacent motors are 120 degrees contained angles and arrange, and fourth motor (10) fixed mounting is at the lower extreme of sampling bottle (1).
3. The intelligent water sampling device of claim 2, wherein: the first motor (7), the second motor (8), the third motor (9) and the fourth motor (10) are all submersible motors.
4. The intelligent water sampling device of claim 1, wherein: the sensor (3) is a laser ranging sensor.
5. The intelligent water sampling device of claim 1, wherein: the wireless module is a 2.4g module.
6. The intelligent water sampling device of claim 1, wherein: the valve (6) is an electromagnetic valve.
7. The intelligent water sampling device of claim 1, wherein: and a waterproof processing unit is arranged on the outer side of the power supply.
8. The intelligent water sampling device of claim 1, wherein: the control module (4) comprises a singlechip.
9. The intelligent water sampling device of claim 8, wherein: the model of the single chip microcomputer is STM32F103C 6.
10. The intelligent water sampling device of claim 8, wherein: the single chip microcomputer has the following control flow:
step 1: the remote controller sends an instruction to the control module through the wireless module;
step 2: after receiving the signal, the control module controls the motor 1, the motor 2, the motor 3 and the motor 4 to execute displacement operation;
and step 3: when the control module receives a water sampling instruction, the control module confirms whether the water depth instruction is consistent with the depth measured by the sensor distance measurement, if the water depth is consistent with the water depth measured by the sensor, the step 4 is carried out, and if the water depth is not consistent with the water depth measured by the sensor, the step 5 is carried out;
and 4, step 4: opening a valve switch, detecting the water inflow, and entering step 6;
and 5: controlling the motor 4 to rotate, adjusting the depth of the sampling bottle, and returning to the step 2;
step 6: and (4) judging whether the flow reaches a preset threshold value, if so, closing a valve switch, and if not, returning to the step (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110536272.3A CN113252392A (en) | 2021-05-17 | 2021-05-17 | Intelligent water sample collection device |
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| CN202110536272.3A CN113252392A (en) | 2021-05-17 | 2021-05-17 | Intelligent water sample collection device |
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| CN113252392A true CN113252392A (en) | 2021-08-13 |
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| CN107036849A (en) * | 2017-05-03 | 2017-08-11 | 成都学院 | A kind of remote-controlled automatic data collection water sample device |
| CN108507831A (en) * | 2017-02-28 | 2018-09-07 | 石河子大学 | A kind of automatic pointing designated depth water sampling device |
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| CN210005303U (en) * | 2019-05-31 | 2020-01-31 | 南华大学 | depth-setting water sample collection device based on unmanned ship |
| CN212921933U (en) * | 2020-08-13 | 2021-04-09 | 江苏农牧科技职业学院 | Underwater intelligent robot |
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2021
- 2021-05-17 CN CN202110536272.3A patent/CN113252392A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201034850Y (en) * | 2007-03-27 | 2008-03-12 | 中国地质科学院水文地质环境地质研究所 | Surface water ground water depth fixed smapling device |
| CN101592649A (en) * | 2009-05-27 | 2009-12-02 | 深圳市华测检测技术股份有限公司 | But a kind of remote-control self-navigation water quality sampling and analyzing device |
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| CN103808529A (en) * | 2013-12-23 | 2014-05-21 | 青岛优维奥信息技术有限公司 | Autonomous navigation water sample collector |
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