CN111693323A

CN111693323A - Sampling device for hydraulic engineering

Info

Publication number: CN111693323A
Application number: CN202010496336.7A
Authority: CN
Inventors: 刘玉英
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-03
Filing date: 2020-06-03
Publication date: 2020-09-22

Abstract

The invention is suitable for the technical field of hydraulic engineering equipment, and particularly relates to a sampling device for hydraulic engineering. The sampling device for the water conservancy project, provided by the embodiment of the invention, has the advantages of simple structure and reasonable design, can go to the specified depth of the specified water area to complete sampling work, and can still return automatically when a fault occurs, so that the economic loss and the water body caused conditions are avoided, and the sampling device is suitable for popularization.

Description

Sampling device for hydraulic engineering

Technical Field

The invention belongs to the technical field of hydraulic engineering equipment, and particularly relates to a sampling device for hydraulic engineering.

Background

Hydraulic engineering is an engineering built for controlling and allocating surface water and underground water in nature to achieve the purposes of removing harmful substances and benefiting. Also known as water engineering. Water is a valuable resource essential for human production and life, but its naturally occurring state does not completely meet the needs of human beings. Only when hydraulic engineering is built, water flow can be controlled, flood disasters are prevented, and water quantity is adjusted and distributed to meet the requirements of people on water resources in life and production. Hydraulic engineering needs to build various types of hydraulic buildings such as dams, dikes, spillways, water gates, water inlets, channels, transition troughs, rafts, fishways and the like so as to achieve the aims.

In hydraulic engineering's work progress, the approach needs to take a sample the water, but current remote sampling device is at the sample in-process, in case break down just can't return a journey, can only give up it, has directly leaded to the loss in the economy, still can cause the pollution to the water.

Disclosure of Invention

The embodiment of the invention aims to provide a sampling device for hydraulic engineering, and aims to solve the problems that the existing sampling device cannot return once damaged and causes water pollution.

The embodiment of the invention is realized in such a way that the sampling device for the hydraulic engineering comprises a shell, a reaction bin is arranged in the shell from top to bottom, sample storehouse and subside the storehouse, be provided with holding chamber and stock solution chamber in the reaction storehouse, first reactant has been put in the holding chamber, second reactant has been put in the stock solution chamber, holding chamber and stock solution chamber pass through the pipeline intercommunication, be provided with first open-type solenoid valve in the pipeline, one side that the pipeline is close to the holding chamber is provided with the branch pipe, the branch pipe is used for and sets up the gasbag intercommunication at the reaction storehouse top, be provided with second open-type solenoid valve in the branch pipe, the gasbag still passes through pressure limiting valve and reaction storehouse intercommunication, be provided with the check valve on the reaction storehouse, the reaction storehouse passes through check valve and external intercommunication, the sample storehouse is used for collecting the water sample of predetermined water layer, subside the storehouse and be used for controlling the subside.

Preferably, the first reactant is dry ice and the second reactant is water.

Preferably, the sampling bin includes the sampling tube, and sampling tube one end is through first normally closed formula solenoid valve and external intercommunication, and the sampling tube other end passes through second normally closed formula solenoid valve and external intercommunication.

Preferably, the sampling tube sets up for the slope to the one end that is provided with first normal close formula solenoid valve is less than the one end that is provided with second normal close formula solenoid valve, is used for the gas outgoing in the sampling tube of being convenient for.

Preferably, the settling bin is located the casing lower floor, and the settling bin divide into district and power district of intaking, cuts off through the baffle between district and the power district of intaking, and the power district one side is kept away from to the baffle is fixed with into water telescopic cylinder, and the one end fixedly connected with water intaking ware that the baffle was kept away from to the water intaking telescopic cylinder, and the water intaking ware is foldable structure, and the one end of keeping away from into water telescopic cylinder is fixed with the casing, and water intaking ware is kept away from the one end of water intaking telescopic cylinder and is passed through water intaking valve and inlet tube and external intercommunication, is provided with power.

Preferably, the power assembly comprises a control circuit board, a battery and a propeller, the propeller is embedded in the shell, the control circuit board is electrically connected with the battery and the propeller, and the control circuit board is also electrically connected with electronic components in the reaction bin and the sampling bin.

Preferably, one end of the shell is provided with a guide plate, the bottom of the shell is provided with a plurality of water pressure meters, and the water pressure meters are electrically connected with the control circuit board.

The sampling device for the water conservancy project, provided by the embodiment of the invention, has the advantages of simple structure and reasonable design, can go to the specified depth of the specified water area to complete sampling work, and can still return automatically when a fault occurs, so that the economic loss and the water body caused conditions are avoided, and the sampling device is suitable for popularization.

Drawings

Fig. 1 is a schematic structural diagram of a sampling device for hydraulic engineering according to an embodiment of the present invention;

fig. 2 is a side view of a sampling device for hydraulic engineering according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a water inlet device according to an embodiment of the present invention.

In the drawings: 1. a housing; 2. an air bag; 3. a propeller; 4. a battery; 5. a control circuit board; 6. a water inlet telescopic cylinder; 7. a water inlet device; 8. a water pressure meter; 9. a guide plate; 10. a water inlet valve; 11. a water inlet pipe; 12. a sampling tube; 13. a first normally closed solenoid valve; 14. a second normally closed solenoid valve; 15. a one-way valve; 16. a liquid storage cavity; 17. a first normally open solenoid valve; 18. a second normally open type electromagnetic valve; 19. a first reactant.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Specific implementations of the present invention are described in detail below with reference to specific embodiments.

As shown in fig. 1, a schematic structural diagram of a sampling device for hydraulic engineering provided by an embodiment of the present invention is shown, the sampling device for hydraulic engineering includes a housing 1, a reaction chamber, a sampling chamber and a settling chamber are arranged in the housing 1 from top to bottom, a containing chamber and a liquid storage chamber 16 are arranged in the reaction chamber, a first reactant 19 is stored in the containing chamber, a second reactant is stored in the liquid storage chamber 16, the containing chamber and the liquid storage chamber 16 are communicated through a pipeline, a first normally open type electromagnetic valve 17 is arranged in the pipeline, a branch pipe is arranged on one side of the pipeline close to the containing chamber and is used for communicating with an air bag 2 arranged at the top of the reaction chamber, a second normally open type electromagnetic valve 18 is arranged in the branch pipe, the air bag 2 is also communicated with the reaction chamber through a pressure limiting valve, a check valve 15 is arranged on the reaction chamber, the reaction chamber is communicated with the outside through the check, the sedimentation bin is used for controlling the sedimentation of the shell 1 and driving the shell 1 to move.

In the embodiment of the present invention, when no fault occurs, both the first normally-open type solenoid valve 17 and the second normally-open type solenoid valve 18 are in the closed state. When the device is used, the shell 1 moves to a designated area under the driving of the settling bin, the settling bin enables the shell 1 to settle to a preset depth by controlling the water inflow, and then the water layer is sampled by the sampling bin; after sampling is finished, discharging a certain amount of water from the settling bin to enable the shell 1 to rise to the water surface and return to the sea; when a fault occurs in the sampling process, such as a circuit fault and other problems, the electronic device in the housing 1 cannot work normally, so the first normally-open solenoid valve 17 and the second normally-open solenoid valve 18 are automatically switched to the open state due to power failure, the first reactant 19 and the second reactant will contact to generate gas, the gas will firstly fill the airbag 2, the pressure in the airbag 2 gradually rises until reaching the set pressure value of the pressure limiting valve, the gas enters the reaction chamber from the airbag 2 and is discharged through the one-way valve 15, in the process, the airbag 2 drives the housing 1 to rise to the water surface, and then the gas is discharged outwards through the one-way valve 15 to drive the housing 1 to move until the housing moves to the bank side, and the user salvages the housing ashore. The invention can automatically float upwards and automatically lean against the edge when a fault occurs, thereby avoiding economic loss and water body pollution caused by sinking into the water bottom.

As shown in fig. 1, 2 and 3, as a preferred embodiment of the present invention, the first reactant 19 is dry ice and the second reactant is water.

In the embodiment of the invention, after the dry ice is contacted with the water, a large amount of carbon dioxide gas can be rapidly generated, the air bag 2 can be rapidly filled with the carbon dioxide gas, and the cost of the dry ice and the water is low, so that the dry ice and the water have no pollution to the environment.

As shown in fig. 1, 2 and 3, as a preferred embodiment of the present invention, the sampling chamber includes a sampling tube 12, one end of the sampling tube 12 is communicated with the outside through a first normally closed type solenoid valve 13, and the other end of the sampling tube 12 is communicated with the outside through a second normally closed type solenoid valve 14.

As shown in fig. 1, 2 and 3, as a preferred embodiment of the present invention, the sampling tube 12 is disposed to be inclined, and one end provided with the first normally closed type solenoid valve 13 is lower than one end provided with the second normally closed type solenoid valve 14, for facilitating the gas discharge inside the sampling tube 12.

In the embodiment of the invention, when the specified water layer is reached, the first normally closed type electromagnetic valve 13 and the second normally closed type electromagnetic valve 14 are opened simultaneously, the water sample enters from the first normally closed type electromagnetic valve 13, the air in the sampling pipe 12 flows out from the second normally closed type electromagnetic valve 14, and after the sampling pipe 12 is filled, the first normally closed type electromagnetic valve 13 and the second normally closed type electromagnetic valve 14 are closed successively. The ashore backshell takes out the sample by opening the first normally closed solenoid valve 13 or the second normally closed solenoid valve 14.

As shown in fig. 1, 2 and 3, as a preferred embodiment of the present invention, the settling bin is located at the lowest layer of the casing 1, the settling bin is divided into a water inlet area and a power area, the water inlet area and the power area are separated by a partition plate, a water inlet telescopic cylinder 6 is fixed on one side of the partition plate away from the power area, a water inlet device 7 is fixedly connected to one end of the water inlet telescopic cylinder 6 away from the partition plate, the water inlet device 7 is of a folding structure, one end of the water inlet telescopic cylinder 6 away from the water inlet telescopic cylinder is fixed to the casing 1, one end of the water inlet device 7 away from the water inlet telescopic cylinder 6 is communicated with the outside through a water inlet valve 10 and a water.

In the embodiment of the invention, the water inlet area is communicated with the outside through the electric control valve. When sedimentation is needed, the water inlet telescopic cylinder 6 contracts, the water inlet valve 10 is opened, the water inlet device 7 expands, the water inlet device 7 sucks water through the water inlet pipe 11, so that the whole weight is increased, and air in a water inlet area is discharged through the electric control valve; when the water-saving device is required to rise, the water inlet telescopic cylinder 6 extends, the water inlet device 7 discharges a part of water, and the water inlet area is in a negative pressure state, so that the overall quality is reduced under the condition that the overall drainage area is not changed, and the shell 1 integrally rises to the water surface.

As shown in fig. 1, 2 and 3, as a preferred embodiment of the present invention, the power assembly includes a control circuit board 5, a battery 4 and a propeller 3, the propeller 3 is embedded in the housing 1, the control circuit board 5 is electrically connected to the battery 4 and the propeller 3, and the control circuit board 5 is further electrically connected to electronic components in the reaction chamber and the sampling chamber.

As shown in fig. 1, 2 and 3, as a preferred embodiment of the present invention, a guide plate 9 is disposed at one end of the housing 1, and a plurality of water pressure meters 8 are disposed at the bottom of the housing, wherein the water pressure meters 8 are electrically connected to the control circuit board 5.

In the embodiment of the invention, two groups of propellers 3 are symmetrically arranged and are positioned at one end of the shell 1, so that the advancing direction is controlled by controlling the rotating speed of the two groups of propellers 3 in the advancing process, and the guide plate 9 can play a certain role in guiding for return voyage when a fault occurs; when sinking, come the current depth of water of real-time supervision through the water pressure gauge 8 to through the telescoping cylinder 6 control that intakes 7 of intaking and the drainage, make in the sampling process, sampling tube 12 is located same water layer all the time, has guaranteed the sample precision.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. A sampling device for hydraulic engineering is characterized by comprising a shell (1), wherein a reaction chamber, a sampling chamber and a sedimentation chamber are arranged in the shell (1) from top to bottom, the reaction chamber is internally provided with a containing chamber and a liquid storage chamber (16), the containing chamber is internally provided with a first reactant (19), the liquid storage chamber (16) is internally provided with a second reactant, the containing chamber and the liquid storage chamber (16) are communicated through a pipeline, the pipeline is internally provided with a first normally open type electromagnetic valve (17), one side of the pipeline close to the containing chamber is provided with a branch pipe, the branch pipe is used for being communicated with an air bag (2) arranged at the top of the reaction chamber, the branch pipe is internally provided with a second normally open type electromagnetic valve (18), the air bag (2) is also communicated with the reaction chamber through a pressure limiting valve, the reaction chamber is provided with a one-way valve (15), the reaction chamber is communicated with the outside through the one-way valve (15, the sedimentation bin is used for controlling sedimentation of the shell (1) and driving the shell (1) to move.

2. The hydraulic engineering sampling device according to claim 1, characterized in that the first reactant (19) is dry ice and the second reactant is water.

3. The sampling device for the hydraulic engineering according to claim 1, characterized in that the sampling bin comprises a sampling tube (12), one end of the sampling tube (12) is communicated with the outside through a first normally closed solenoid valve (13), and the other end of the sampling tube (12) is communicated with the outside through a second normally closed solenoid valve (14).

4. The sampling device for hydraulic engineering according to claim 3, characterized in that the sampling tube (12) is arranged obliquely, and the end provided with the first normally closed solenoid valve (13) is lower than the end provided with the second normally closed solenoid valve (14) for facilitating the gas discharge inside the sampling tube (12).

5. The sampling device for the hydraulic engineering according to claim 1, wherein the settling bin is located at the lowest layer of the shell (1), the settling bin is divided into a water inlet area and a power area, the water inlet area and the power area are separated by a partition plate, a water inlet telescopic cylinder (6) is fixed on one side, away from the power area, of the partition plate, a water inlet device (7) is fixedly connected to one end, away from the partition plate, of the water inlet telescopic cylinder (6), the water inlet device (7) is of a folding structure, one end, away from the water inlet telescopic cylinder (6), of the water inlet telescopic cylinder (7) is fixed to the shell (1), one end, away from the water inlet telescopic cylinder (6), of the water inlet device (7) is communicated with the outside through a water inlet valve (10) and.

6. The sampling device for the hydraulic engineering according to claim 5, wherein the power assembly comprises a control circuit board (5), a battery (4) and a propeller (3), the propeller (3) is embedded in the shell (1), the control circuit board (5) is electrically connected with the battery (4) and the propeller (3), and the control circuit board (5) is further electrically connected with electronic components in the reaction bin and the sampling bin.

7. The sampling device for the hydraulic engineering according to claim 6, characterized in that one end of the housing (1) is provided with a guide plate (9), and the bottom is provided with a plurality of water pressure meters (8), and the water pressure meters (8) are electrically connected with the control circuit board (5).