Automatic sewage treatment sampling device who takes a sample step by step
Technical Field
The invention relates to the technical field of river sewage treatment, in particular to a sewage treatment sampling device capable of automatically sampling step by step.
Background
River sewage is a pollution which is difficult to treat in the current environmental management, most of water in the river is originally drinkable water, and the river is polluted to cause that the water cannot be changed into the drinkable water, so that the total amount of the drinkable water is reduced, the available water resource for human is greatly reduced, and the human existence is seriously threatened.
Present river sewage treatment carries out concrete analysis to the polluted component in river course mostly, carries out specific treatment that corresponds again, guarantees when administering, improves treatment effeciency, consequently need take a sample river sewage earlier, present sample need carry out different samples to different places, sample device at present can only one sample, lead to the sample inefficiency, and still increased staff's working strength, must not repay, increased the degree of difficulty of sample.
Therefore, we have provided an automatic sewage treatment sampling device who takes a sample step by step to solve above problem, uses through the cooperation of clamp plate and electromagnet, has reached automatic sampling's effect, has improved sampling efficiency, uses through the cooperation of resistance with the dielectric medium board, has reached the effect of stepping the branch point sample step by step, makes sampling device can realize the different point sample, has improved sampling efficiency.
Disclosure of Invention
The invention adopts the following technical scheme for realizing the technical purpose: a sewage treatment sampling device capable of automatically sampling step by step comprises a shell, wherein a liquid cavity which is uniformly distributed is formed in the middle of the shell, positive plates which are uniformly distributed are fixedly connected to the inner wall of the shell, negative plates which are uniformly distributed are fixedly connected to the inner wall of the shell, an electrically connected resistor is fixedly connected to the inner wall of the shell, a first spring is fixedly connected to the inner wall of the shell, a piston is fixedly connected to the outer side of the first spring, a dielectric plate is fixedly connected to the middle of the piston, an electrically connected electromagnet is fixedly connected to the inner wall of the shell, a second spring which is uniformly distributed is fixedly connected to the inner wall of the shell, a blocking block is fixedly connected to the outer side of the second spring, a magnetic block is fixedly connected to the middle of the blocking block, a liquid inlet which is uniformly distributed is formed in the outer side of the shell, and the outer side of the spring III is fixedly connected with a pressing plate movably connected with the shell.
The invention has the following beneficial effects:
1. this automatic sewage treatment sampling device who takes a sample step by step uses through the cooperation of clamp plate and electromagnet, and when sampling device put into sewage, water pressure can be pressed the clamp plate to the inboard and moved, makes the electromagnet circular telegram of right side bottom, gets into the sap cavity with the sewage extraction to the effect of automatic sampling has been reached, has improved sampling efficiency.
2. This automatic sewage treatment sampling device who takes a sample step by step, use through the cooperation of resistance with the dielectric plate, when the piston on right side has extracted the sample, the dielectric plate on right side can reduce the relative area of positive plate and negative plate on right side, make voltage reduce to the access voltage of right side resistance, at this moment, the electromagnet circular telegram and the work at top, make the liquid chamber at top begin to take a sample, sampling device is along with rivers flow simultaneously, thereby reached the effect of branch point sample step by step, make sampling device can realize the difference sample, the sampling efficiency is improved.
Further, the material density of the shell is smaller than that of water, the shape of the shell is cylindrical, the shape of the liquid cavity is cuboid, and the size of the liquid cavity is smaller than that of the shell.
Further, the positive plate size is the same with the negative plate size, and the quantity of positive plate is four, the resistance is the path voltage that piezo-resistor and resistance are greater than the minimum voltage through the negative plate.
Further, the first springs are compression springs, the number of the first springs is four, the piston is made of hard rubber materials and is in a cuboid shape, and the magnetism of the inner side of the electromagnet is opposite to that of the inner side of the magnetic block.
Further, the second springs are compression springs, the number of the second springs is four, the blocking blocks are made of hard rubber materials, and the blocking blocks are fan-shaped.
Further, the liquid inlet is in a circular hole shape, the number of the liquid inlets is four, and the air valves are one-way valves and the number of the air valves is four.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged partial view of portion A of FIG. 1;
FIG. 3 is an enlarged partial view of the portion B of FIG. 1 according to the present invention;
FIG. 4 is a schematic view of the piston movement structure of the present invention;
FIG. 5 is an enlarged partial view of the portion C shown in FIG. 4 according to the present invention.
In the figure: 1. a housing; 2. a liquid chamber; 3. a positive plate; 4. a negative plate; 5. a resistance; 6. a first spring; 7. a piston; 8. a dielectric plate; 9. an electromagnet; 10. a second spring; 11. blocking; 12. a magnetic block; 13. a liquid inlet; 14. an air valve; 15. a third spring; 16. and (7) pressing a plate.
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.
Referring to fig. 1-5, a sewage treatment sampling device capable of automatically sampling step by step comprises a shell 1, wherein the shell 1 plays a role of fixing each part, the material density of the shell 1 is less than that of water, the shape of the shell 1 is cylindrical, the shape of a liquid cavity 2 is cuboid, the size of the liquid cavity 2 is less than that of the shell 1, the middle part of the shell 1 is provided with the liquid cavities 2 which are uniformly distributed, the liquid cavities 2 play a role of storing sewage samples, the inner wall of the shell 1 is fixedly connected with positive plates 3 which are uniformly distributed, the positive plates 3 and negative plates 4 play a role of a control circuit together, the size of the positive plates 3 is the same as that of the negative plates 4, the number of the positive plates 3 is four, the resistors 5 are piezoresistors, the path voltage of the resistors 5 is greater than the minimum voltage passing through the negative plates 4, the inner wall of the shell 1 is fixedly, the inner wall of the shell 1 is fixedly connected with a resistor 5 which is electrically connected, and the resistor 5 plays a role of a control circuit.
The inner wall of the shell 1 is fixedly connected with a first spring 6, the first spring 6 plays a role in contracting the piston 7 towards the inner side, the first spring 6 is a compression spring, the number of the first springs 6 is four, the piston 7 is made of hard rubber materials, the shape of the piston 7 is a cuboid, the magnetism of the inner side of the electromagnet 9 is opposite to that of the inner side of the magnetic block 12, the outer side of the first spring 6 is fixedly connected with the piston 7, the piston 7 plays a role in extracting sewage, the middle part of the piston 7 is fixedly connected with a dielectric plate 8, the dielectric plate 8 plays a role in changing voltage, the inner wall of the shell 1 is fixedly connected with an electrically connected electromagnet 9, the electromagnet 9 plays a role in transmission, the inner wall of the shell 1 is fixedly connected with second springs 10 which are uniformly distributed, the second springs 10 play a role in ejecting the blocking block 11 and blocking the liquid inlet 13, the second springs 10 are compression springs and the number of the, the material of the blocking block 11 is hard rubber material, the shape of the blocking block 11 is fan-shaped, the blocking block 11 is fixedly connected to the outer side of the second spring 10, and the blocking block 11 plays a role in blocking the liquid inlet 13.
Middle part fixedly connected with magnetic path 12 of sprue 11, magnetic path 12 plays driven effect, evenly distributed's inlet 13 has been seted up in casing 1's the outside, inlet 13 plays the effect that the sewage of being convenient for gets into sap cavity 2, the quantity of inlet 13 is four for round hole form and inlet 13, pneumatic valve 14 is one-way valve and pneumatic valve 14's quantity is four, casing 1's outside fixedly connected with runs through and extends to the pneumatic valve 14 of sap cavity 2, pneumatic valve 14 plays the effect of being convenient for take away the air in the piston 7 outside, make piston 7 initial state under with the laminating of sap cavity 2 outside inner wall, casing 1's right side bottom inner wall fixedly connected with spring three 15, spring three 15's outside fixedly connected with and casing 1 swing joint's clamp plate 16.
The working principle is as follows: in the initial state, as shown in fig. 1, air outside the piston 7 is firstly pumped out through the air valve 14, so that the piston 7 is attached to the inner wall outside the liquid cavity 2 in the initial state, and at this time, the liquid inlet 13 is blocked by the block 11.
When the device is used, the device is put into sewage, the pressure plate 16 moves inwards under the action of water pressure, the pressure plate 16 is connected with an inner wall electric contact, the electromagnet 9 on the lower right side is electrified and generates magnetism, the electromagnet 9 on the right side attracts the magnetic block 12 on the right side downwards due to the fact that the magnetism of the inner side of the electromagnet 9 is opposite to that of the inner side of the magnetic block 12, the magnetic block 12 drives the blocking block 11 to move downwards, the liquid inlet 13 is leaked, sewage enters the liquid cavity 2 under the drawing action of the piston 7, when the dielectric medium plate 8 on the right side of the piston 7 moves to the innermost side, the relative area of the positive plate 3 and the negative plate 4 is reduced by the dielectric medium plate 8 on the right side, the voltage is smaller than the passage voltage of the top resistor 5 on the right side, the electromagnet 9 on the top is electrified and generates magnetism, the working process is the same as that of the electromagnet 9 on the right side, sampling is carried out, and changing the sampling point, thereby realizing the sampling of different points.
In a similar way, the pistons 7 on the left side and the bottom work according to the working principle, and the workers obtain samples at four different positions, so that the sampling efficiency is improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.