CN111707796A - Hydraulic engineering is collection system for sewage detection - Google Patents
Hydraulic engineering is collection system for sewage detection Download PDFInfo
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- CN111707796A CN111707796A CN202010595529.8A CN202010595529A CN111707796A CN 111707796 A CN111707796 A CN 111707796A CN 202010595529 A CN202010595529 A CN 202010595529A CN 111707796 A CN111707796 A CN 111707796A
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- 239000010865 sewage Substances 0.000 title claims abstract description 32
- 238000001514 detection method Methods 0.000 title claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 261
- 230000007246 mechanism Effects 0.000 claims abstract description 28
- 239000002245 particle Substances 0.000 claims description 21
- 230000000903 blocking effect Effects 0.000 claims description 16
- 238000005457 optimization Methods 0.000 claims description 6
- 238000004458 analytical method Methods 0.000 claims description 5
- 238000005086 pumping Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 230000006870 function Effects 0.000 description 14
- 238000005070 sampling Methods 0.000 description 7
- 239000012535 impurity Substances 0.000 description 5
- 230000002349 favourable effect Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
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- 230000009711 regulatory function Effects 0.000 description 1
- 238000004088 simulation Methods 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
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/18—Water
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/66—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
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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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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
- G01N15/075—Investigating concentration of particle suspensions by optical means
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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
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Abstract
The invention discloses a collecting device for water conservancy project sewage detection, which comprises a carrier, a base, a first water outlet and a main body box, wherein the base is fixed at the top end of the carrier, the main body box is fixed at the top end of the base, the first water outlet is arranged at one side of the top end of the main body box, the second water outlet is arranged at the other side of the top end of the main body box, a resisting structure is arranged at the top end of the carrier, a collecting structure is arranged in the main body box, and an adjusting structure is arranged in the carrier. According to the invention, the second thread and the first thread are rotated mutually, so that the fixed clamping block is separated from the inside of the empty groove, the first connecting seat can move, and when the fixed clamping block is separated from the inside of the empty groove, the first connecting seat is completely removed, so that the length of the second water pipe can be changed through the mutual matching of the first connecting seat and the first thread, the function of the mechanism convenient to adjust is realized, and the applicability of the device in use is improved.
Description
Technical Field
The invention relates to the technical field of detection and collection, in particular to a collecting device for hydraulic engineering sewage detection.
Background
With the improvement of the technological level, the technology for sewage detection is continuously updated, and a novel treatment device is developed specially for the problems in the collection aspect for sewage detection, so that a special collection device for hydraulic engineering sewage detection is used;
traditional collection equipment for sewage detection develops not perfect enough to degree of depth regulatory function, the trouble that the problem list that is inconvenient to adjust to collection equipment for sewage detection brought, need take a sample to the water source of different water levels in the course of the work, traditional collection equipment for sewage detection can not be to its sample, do not have more integrated device to this one side, simpler processing, so now develop a collection device for hydraulic engineering sewage detection, in order to solve above-mentioned problem.
Disclosure of Invention
The invention aims to provide a collecting device for hydraulic engineering sewage detection, which aims to solve the problem that the sampling depth is inconvenient to adjust in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a collecting device for hydraulic engineering sewage detection comprises a carrier, a base, a first water outlet and a main body box, wherein the base is fixed at the top end of the carrier, the main body box is fixed at the top end of the base, the first water outlet is formed in one side of the top end of the main body box, the second water outlet is formed in the other side of the top end of the main body box, a resisting structure is arranged at the top end of the carrier, a collecting structure is arranged in the main body box, an adjusting structure is arranged in the carrier and comprises a first connecting seat, a first thread, a second connecting seat, an empty groove, a second thread, a fixed clamping block, a rotating groove, a rotating rod and a rotating handle, the rotating groove is formed in the first connecting seat, the rotating rod is arranged in the rotating groove, the rotating rod is fixed at one end of the rotating rod, and the fixed clamping block is fixed at the other end of the rotating rod after passing through the, the outer wall of the fixed clamping block is provided with second threads, the second threads extend to the inside of the second connecting seat, empty grooves are formed in the inside of the second connecting seat, and the inner walls of the empty grooves are provided with first threads.
Preferably, the retaining structure comprises a retaining outer wall, a through groove, baffle grooves, a water quality groove, a water quality baffle and a baffle plate, the through groove is formed in the retaining outer wall, the baffle plate is arranged at the top end of the through groove, the baffle grooves at equal intervals are formed in the baffle plate, the water quality baffle is arranged at the bottom end of the through groove, and the water quality groove at equal intervals is formed in the water quality baffle.
Preferably, the water quality baffle and the blocking plate are designed in parallel, and the water quality baffle and the blocking plate form a blocking structure in the blocking outer wall.
Preferably, the collecting structure comprises a first collecting box, a second collecting box, a first water pipe, a first water pump, a second water pipe and a second water pump, the first water pipe is arranged at the bottom end of the first collecting box, one end of the first water pipe extends into the first collecting box, the second water pump is fixed at the other end of the first water pipe, the first water pipe is arranged at one end of the second water pump, the second water pipe is arranged at the other end of the second water pump, the second collecting box is arranged at one side of the first collecting box, the first water pipe is arranged at the bottom end of the second collecting box, one end of the first water pipe extends into the second collecting box, the first water pump is fixed at the other end of the first water pipe, the first water pipe is arranged at one end of the first water pump, and the second water pipe is arranged at the other end of the first water pump.
Preferably, the second water pipe and the first water pipe are respectively provided with two groups, the second water pipe extends to the outside of the carrier, and the second water pipe and the first water pipe form a water pumping structure.
Preferably, the rotary rod is provided with two groups in the first connecting seat, and the first thread and the second thread form a thread rotary connecting structure.
Preferably, a hydraulic engineering sewage detection use collection system, its characterized in that: the method comprises the following steps: the telescopic rod, the motor, the filter screen and the sliding mechanism;
a pair of telescopic rods are symmetrically arranged outside the first collecting box, each telescopic rod is connected with a motor arranged outside the first collecting box, a filter screen is arranged at the bottom end inside the first collecting box, sliding mechanisms which are symmetrically arranged are arranged on the inner side wall of the first collecting box, a symmetrical side of each filter screen is connected with the corresponding sliding mechanism, and the sliding mechanisms are also connected with the corresponding telescopic rods in a sliding mode;
the top end of the inner side of the first collecting box is provided with an image sensor;
based on the image sensor, acquiring a current sample water source image in the first collection box, meanwhile, randomly selecting a target area of the current sample water source image, and acquiring a pixel mean value and a variance of the current sample water source image;
acquiring a gray pixel value of the current sample water source image based on the pixel mean value and the variance;
comparing the gray pixel value with the preset pixel value to obtain a background comparison map, and analyzing the pixel color in the background comparison map;
extracting black pixel points and white pixel points in the background comparison image according to the analysis result of the pixel color of the background comparison image;
acquiring a particle concentration value of corresponding suspended particles in the current background map according to the extracted black pixel points and white pixel points;
comparing the particle concentration value of the background map with a reference concentration value;
based on the comparison result, if the particle concentration value is less than or equal to the reference concentration value, the concentration of suspended particles in the current sample water source in the first collection tank meets a standard range;
and otherwise, starting the motor to drive the telescopic rod to pull the filter screen at the bottom end in the first collecting box through the sliding mechanism, and filtering out the suspended particles in the sample water source.
Preferably, a hydraulic engineering sewage detection use collection system, its characterized in that:
a portable flowmeter is arranged at the first water outlet;
a pressure electric detector is arranged on the inner side of the first water outlet;
an alarm device is arranged outside the first collecting box;
a hydraulic engineering sewage detection uses collection system still includes: a computer;
the computer is connected with the portable flowmeter, the pressure electric detector and the alarm device,
the computer is used for optimizing a water outlet model of the first water outlet, and the specific optimization processing steps comprise:
wherein the computer simulates and calculates the loss amount of the first water outlet based on the pressure electric detector;
wherein H represents the loss amount of the water outlet, H0The loss amount of the main body box close to the water outlet is represented, the loss coefficient of the water outlet is represented, and v represents the speed of the water outlet when water flows out;
the computer simulates and calculates the non-uniform coefficient of the flow of the sample water source when passing through the water outlet according to the loss amount of the first water outlet and the portable flowmeter;
wherein C represents the flow non-uniformity coefficient of the sample water source at the water outlet, vmaxRepresenting a maximum flow rate of the sample water source as it passes through the outlet; t represents the time required to obtain the loss amount;
determining an optimization condition of the first water outlet according to the uneven coefficient;
when the non-uniformity coefficient is less than or equal to 1, indicating that the first water outlet does not need to be optimized;
otherwise, starting an alarm device to alarm;
meanwhile, starting a preset model building system, and building an optimized physical model based on the uneven coefficient and the loss amount of the first water outlet;
and the computer is used for optimizing the water outlet model based on the optimized physical model and outputting the water outlet model.
Compared with the prior art, the invention has the beneficial effects that: the collecting device for the hydraulic engineering sewage detection not only realizes the function of the mechanism for conveniently adjusting the sampling depth, but also realizes the function of the mechanism for conveniently collecting multiple samples and the function of the mechanism for conveniently resisting;
(1) when the fixed clamping block is separated from the inside of the empty groove, the first connecting seat can be moved, and the first connecting seat can be completely taken down, so that the length of the second water pipe can be changed through the mutual matching of the first connecting seat and the first thread, the function of conveniently adjusting the sampling depth of the mechanism is realized, and the applicability of the device in use is improved;
(2) the carrier is placed on the water surface of the sampling body, the single chip controls the second water pump and the first water pump, a sample water source is pumped into the first water pipe through the second water pipe and then sent into the first collecting box and the second collecting box, the function of facilitating multi-sample collection of the mechanism is achieved, and therefore the high efficiency of the device in use is improved;
(3) through inside the water source gets into and keeps out the outer wall, the quality of water groove blocks some with the pollutant, keeps out by the quality of water baffle and keeps out the outer wall outside keeping out, and remaining water source keeps out impurity inside keeping out the outer wall by the inside baffle groove that is provided with of barrier plate, discharges afterwards, has realized the function that this mechanism is convenient for to keep out to the practicality of the device when using has been improved.
(4) Through image sensor, acquire the current sample water source image in the first collection case to select the target area of current sample water source image, acquire the pixel mean value and the variance of sample water source image, be favorable to efficient acquisition data, through the analysis of pixel colour in the background comparison map, be favorable to realizing the acquisition to the suspended particles in the sample water source, thereby improved the validity of the device when using.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic cross-sectional front view of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2;
FIG. 4 is a schematic top cross-sectional view of the present invention;
FIG. 5 is a schematic view of the structure of the collection box of the present invention;
FIG. 6 is a schematic diagram of the computer control connection of the present invention.
In the figure: 1. a carrier; 2. a resisting structure; 201. a resisting outer wall; 202. a through groove; 203. a baffle slot; 204. a water quality tank; 205. a water quality baffle; 206. a blocking plate; 3. a base; 4. a first water outlet; 5. a main body case; 6. a second water outlet; 7. a collection structure; 701. a first collection tank; 702. a second collection tank; 703. a first water pipe; 704. a first water pump; 705. a second water pipe; 706. a second water pump; 8. an adjustment structure; 801. a first connecting seat; 802. a first thread; 803. a second connecting seat; 804. an empty groove; 805. a second thread; 806. fixing the clamping block; 807. a rotating tank; 808. rotating the rod; 809. the handle is rotated.
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. 1-4, an embodiment of the present invention is shown: a collecting device for hydraulic engineering sewage detection comprises a carrier 1, a base 3, a first water outlet 4 and a main body box 5, wherein the base 3 is fixed at the top end of the carrier 1, the main body box 5 is fixed at the top end of the base 3, the first water outlet 4 is arranged at one side of the top end of the main body box 5, the second water outlet 6 is arranged at the other side of the top end of the main body box 5, a resisting structure 2 is arranged at the top end of the carrier 1, the resisting structure 2 comprises a resisting outer wall 201, a through groove 202, a baffle groove 203, a water quality groove 204, a water quality baffle 205 and a baffle plate 206, the through groove 202 is arranged in the resisting outer wall 201, the baffle plate 206 is arranged at the top end of the through groove 202, the baffle plates 203 are arranged at equal intervals in the baffle plate 206, a water quality baffle 205 is arranged at the bottom end of the through groove 202, the water quality baffle 205 is arranged, the water quality baffle 205 and the baffle plate 206 form a blocking structure in the outer blocking wall 201, when a water source enters the inner part of the outer blocking wall 201, the water quality groove 204 blocks part of pollutants, the water quality baffle 205 blocks the outer part of the outer blocking wall 201, and the rest water source blocks impurities in the outer blocking wall 201 through the baffle groove 203 arranged in the baffle plate 206 and then discharges the impurities, so that the function of facilitating blocking of the mechanism is realized, and the practicability of the device in use is improved;
the collecting structure 7 is arranged in the main body box 5, the collecting structure 7 comprises a first collecting box 701, a second collecting box 702, a first water pipe 703, a first water pump 704, a second water pipe 705 and a second water pump 706, the bottom end of the first collecting box 701 is provided with the first water pipe 703, one end of the first water pipe 703 extends to the inside of the first collecting box 701, the other end of the first water pipe 703 is fixed with the second water pump 706, the model of the second water pump 706 can be 150QJ20-54/9, the input end of the second water pump 706 is electrically connected with the output end of a single unit, one end of the second water pump 706 is provided with the first water pipe 703, the other end of the second water pump 706 is provided with the second water pipe 705, one side of the first collecting box 701 is provided with the second collecting box 702, the bottom end of the second collecting box 702 is provided with the first water pipe 703, one end of the first water pipe 703 extends to the inside of the second collecting box 702, the other end of the first water pipe 703 is fixed with the first water, the model of the first water pump 704 can be 200QJ32-65/5, the input end of the first water pump 704 is electrically connected with the output end of a single water pump sheet, one end of the first water pump 704 is provided with a first water pipe 703, the other end of the first water pump 704 is provided with a second water pipe 705, the second water pipe 705 and the first water pipe 703 are respectively provided with two groups, the second water pipe 705 extends to the outside of the carrier 1, the second water pipe 705 and the first water pipe 703 form a water pumping structure, the carrier 1 is placed on the surface of a sample specimen, the single water pump sheet controls the second water pump 706 and the first water pump 704, a sample water source is pumped into the first water pipe 703 through the second water pipe 705 and then is sent into the first collecting box 701 and the second collecting box 702, the function that the mechanism facilitates collection of multiple samples is achieved, and the high efficiency of the device is improved when in use;
an adjusting structure 8 is arranged inside the carrier 1, the adjusting structure 8 comprises a first connecting seat 801, first threads 802, a second connecting seat 803, an empty slot 804, second threads 805, a fixed clamping block 806, a rotating slot 807, a rotating rod 808 and a rotating handle 809, the rotating slot 807 is arranged inside the first connecting seat 801, the rotating rod 808 is arranged inside the rotating slot 807, the rotating handle 809 is fixed at one end of the rotating rod 808, the fixed clamping block 806 is fixed at the other end of the rotating rod 808 after penetrating through the rotating slot 807, second threads 805 are arranged on the outer wall of the fixed clamping block 806, the second threads 805 extend into the second connecting seat 803, the empty slot 804 is arranged inside the second connecting seat 803, first threads 802 are arranged on the inner wall of the empty slot 804, two groups of the rotating rods 808 are arranged in the first connecting seat 801, and the first threads 802 and the second threads 805 form a thread rotating connection structure, second screw thread 805 and first screw thread 802 are rotatory each other, make fixed joint piece 806 deviate from the inside of dead slot 804, first connecting seat 801 can remove, and inside fixed joint piece 806 breaks away from dead slot 804, first connecting seat 801 will take off completely, can change the length of second water pipe 705 through mutually supporting of first connecting seat 801 and first screw thread 802 like this, realized that this mechanism is convenient for adjust the function of sampling depth to the suitability of device when using has been improved.
The working principle is as follows: when the device is used, firstly, a power supply is externally connected, the carrier 1 is placed on the water surface of a sampling body, a single chip controls the second water pump 706 and the first water pump 704, a sample water source is pumped into the first water pipe 703 through the second water pipe 705 and then is sent into the first collecting box 701 and the second collecting box 702, the function that the mechanism is convenient to collect multiple samples is realized, and the high efficiency of the device is improved when the device is used;
then, when a water source enters the interior of the retaining outer wall 201, the water quality groove 204 blocks part of pollutants, the water quality baffle plate 205 blocks the outside of the retaining outer wall 201, and the rest water source blocks impurities in the retaining outer wall 201 through the baffle plate groove 203 arranged in the blocking plate 206 and then discharges the impurities, so that the function of the mechanism convenient for retaining is realized, and the practicability of the device in use is improved;
finally, need extract the water source degree of depth, second water pipe 705 length is not enough, it is rotatory to rotate rotatory handle 809 and drive rotary rod 808, second screw thread 805 and first screw thread 802 are rotatory each other, make fixed joint piece 806 deviate from the inside of dead slot 804, first connecting seat 801 can remove, break away from inside the dead slot 804 when fixed joint piece 806, first connecting seat 801 will take off completely, can change the length of second water pipe 705 through mutually supporting of first connecting seat 801 and first screw thread 802 like this, the mechanism has been realized and has been convenient for adjust the function of sampling depth, thereby the suitability of the device when using has been improved.
The invention provides a collecting device for hydraulic engineering sewage detection, as shown in fig. 5, further comprising: a telescopic rod 7011, a motor 7012, a filter screen 7013 and a sliding mechanism 7014;
a pair of telescopic rods 7011 are symmetrically arranged outside the first collecting box 701, each telescopic rod 7011 is connected with a motor 7012 arranged outside the first collecting box 701, a filter screen 7013 is arranged at the bottom end inside the first collecting box 701, sliding mechanisms 7014 symmetrically arranged are arranged on the inner side wall of the first collecting box 701, a symmetrical side of each filter screen is connected with the corresponding sliding mechanism 7014, and the sliding mechanisms 7014 are further connected with the corresponding telescopic rods 7011 in a sliding mode;
an image sensor is arranged at the top end of the inner side of the first collecting box 701;
based on the image sensor, acquiring a current sample water source image in the first collection box, meanwhile, randomly selecting a target area of the current sample water source image, and acquiring a pixel mean value and a variance of the current sample water source image;
acquiring a gray pixel value of the current sample water source image based on the pixel mean value and the variance;
comparing the gray pixel value with the preset pixel value to obtain a background comparison map, and analyzing the pixel color in the background comparison map;
extracting black pixel points and white pixel points in the background comparison image according to the analysis result of the pixel color of the background comparison image;
acquiring a particle concentration value of corresponding suspended particles in the current background map according to the extracted black pixel points and white pixel points;
comparing the particle concentration value of the background map with a reference concentration value;
based on the comparison result, if the particle concentration value is less than or equal to the reference concentration value, the concentration of suspended particles in the current sample water source in the first collection tank meets a standard range;
on the contrary, the motor 7012 is started to drive the telescopic rod 7011 to pull the filter screen 7013 at the bottom end inside the first collection box 701 through the sliding mechanism 7014, so as to filter out suspended particles in the sample water source.
In an embodiment, white pixels represent the sample water source and black pixels represent suspended particles in the sample water source.
In the embodiment, the second collecting box 702 has the same function as the first collecting box 701, and the description is not repeated here.
The beneficial effect of the above technical scheme is: through image sensor, obtain the current sample water source image in first collection box to select the target area of current sample water source image, obtain the pixel mean value and the variance of sample water source image, be favorable to efficient data acquisition, through the analysis of pixel colour in the background comparison map, be favorable to realizing the acquisition to suspended particles in the sample water source.
The invention provides a collecting device for hydraulic engineering sewage detection, as shown in fig. 6, further comprising:
a portable flowmeter is arranged at the first water outlet 4;
a pressure electric detector is arranged on the inner side of the first water outlet 4;
an alarm device is arranged outside the first collecting box 701;
a hydraulic engineering sewage detection uses collection system still includes: a computer;
the computer is connected with the portable flowmeter, the pressure electric detector and the alarm device,
the computer is used for optimizing the water outlet model of the first water outlet 4, and the specific optimization processing steps include:
wherein, the computer simulates and calculates the loss amount of the first water outlet 4 based on the pressure electric detector;
wherein H represents the loss amount of the water outlet 4, and H0The loss amount of the main body box 5 close to the water outlet is represented, the loss coefficient of the water outlet 4 is represented, and v represents the speed of the water outlet 4 when water flows out;
the computer simulates and calculates the uneven coefficient of the flow of the sample water source when passing through the water outlet according to the loss of the first water outlet 4 and the portable flowmeter;
wherein C represents the flow non-uniformity coefficient of the sample water source at the water outlet, vmaxRepresenting a maximum flow rate of the sample water source as it passes through the outlet; t represents the time required to obtain the loss amount;
determining an optimization condition of the first water outlet 4 according to the non-uniformity coefficient;
when the non-uniformity coefficient is less than or equal to 1, the first water outlet 4 does not need to be optimized;
otherwise, starting an alarm device to alarm;
meanwhile, starting a preset model building system, and building an optimized physical model based on the uneven coefficient and the loss of the first water outlet 4;
and the computer is used for optimizing the water outlet model based on the optimized physical model and outputting the water outlet model.
The working principle and the beneficial effects of the scheme are as follows: through the loss amount of the first water outlet 4 of the pressure electric measuring instrument simulation calculation, through the loss amount of the first water outlet 4 and the portable flowmeter, the uneven coefficient of the flow of a sample water source when passing through the water outlet is simulated and calculated, then according to the uneven coefficient, the optimized condition of the first water outlet 4 is determined, the alarm device extracts the alarm signal, a model building system in a computer can be conveniently and efficiently started, thereby more accurately building and optimizing a physical model, the optimized treatment of the water outlet model is realized, and the practicability of the device when the water outlet is discharged is improved.
In this embodiment, the portable flow meter may be an ultrasonic flow meter;
in this embodiment, the standard value of the unevenness coefficient may be set according to the sewage concentration at noon in a day, or may be set according to the sewage concentration at night in a day.
In this embodiment, the first water outlet 4 and the second water outlet 6 have the same function, and the description is omitted here.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (8)
1. The utility model provides a hydraulic engineering is collection system for sewage detection, includes carrier (1), base (3), first delivery port (4) and main part case (5), its characterized in that: the top end of the carrier (1) is fixed with a base (3), the top end of the base (3) is fixed with a main body box (5), one side of the top end of the main body box (5) is provided with a first water outlet (4), the other side of the top end of the main body box (5) is provided with a second water outlet (6), the top end of the carrier (1) is provided with a resisting structure (2), the inside of the main body box (5) is provided with a collecting structure (7), the inside of the carrier (1) is provided with an adjusting structure (8), the adjusting structure (8) comprises a first connecting seat (801), a first thread (802), a second connecting seat (803), an empty groove (804), a second thread (805), a fixed clamping block (806), a rotating groove (807), a rotating rod (808) and a rotating handle (809), the inside of the first connecting seat (801) is provided with a rotating groove (807), the inside of rotatory groove (807) is provided with rotary rod (808), the one end of rotary rod (808) is fixed with rotatory handle (809), the other end of rotary rod (808) passes rotatory groove (807) and is fixed with fixed joint piece (806), be provided with second screw thread (805) on the outer wall of fixed joint piece (806), second screw thread (805) extend to the inside of second connecting seat (803), the inside of second connecting seat (803) is provided with dead slot (804), all be provided with first screw thread (802) on the inner wall of dead slot (804).
2. The hydraulic engineering sewage detection collection device of claim 1, wherein: the water quality baffle structure is characterized in that the retaining structure (2) comprises a retaining outer wall (201), a through groove (202), baffle grooves (203), a water quality groove (204), a water quality baffle (205) and a baffle plate (206), the through groove (202) is arranged inside the retaining outer wall (201), the baffle plate (206) is arranged at the top end of the through groove (202), the baffle grooves (203) with equal intervals are arranged inside the baffle plate (206), the water quality baffle (205) is arranged at the bottom end of the through groove (202), and the water quality groove (204) with equal intervals is arranged inside the water quality baffle (205).
3. The hydraulic engineering sewage detection collection device of claim 2, wherein: the water quality baffle (205) and the blocking plate (206) are designed in parallel, and the water quality baffle (205) and the blocking plate (206) form a blocking structure in the inner part of the blocking outer wall (201).
4. The hydraulic engineering sewage detection collection device of claim 1, wherein: the collecting structure (7) comprises a first collecting box (701), a second collecting box (702), a first water pipe (703), a first water pump (704), a second water pipe (705) and a second water pump (706), wherein the bottom end of the first collecting box (701) is provided with the first water pipe (703), one end of the first water pipe (703) extends to the inside of the first collecting box (701), the other end of the first water pipe (703) is fixed with the second water pump (706), one end of the second water pump (706) is provided with the first water pipe (703), the other end of the second water pump (706) is provided with the second water pipe (705), one side of the first collecting box (701) is provided with the second collecting box (702), the bottom end of the second collecting box (702) is provided with the first water pipe (703), one end of the first water pipe (703) extends to the inside of the second collecting box (702), a first water pump (704) is fixed at the other end of the first water pipe (703), a first water pipe (703) is arranged at one end of the first water pump (704), and a second water pipe (705) is arranged at the other end of the first water pump (704).
5. The hydraulic engineering sewage detection collection device of claim 4, wherein: the second water pipe (705) and the first water pipe (703) are respectively provided with two groups, the second water pipe (705) extends to the outside of the carrier (1), and the second water pipe (705) and the first water pipe (703) form a water pumping structure.
6. The hydraulic engineering sewage detection collection device of claim 1, wherein: the rotary rods (808) are arranged in two groups in the first connecting seat (801), and the first threads (802) and the second threads (805) form a thread rotary connecting structure.
7. The hydraulic engineering sewage detection collection device of claim 1, wherein: the method comprises the following steps: the telescopic rod (7011), the motor (7012), the filter screen (7013) and the sliding mechanism (7014);
a pair of telescopic rods (7011) is symmetrically arranged outside the first collecting box (701), each telescopic rod (7011) is connected with a motor (7012) arranged outside the first collecting box (701), a filter screen (7013) is arranged at the bottom end inside the first collecting box (701), sliding mechanisms (7014) symmetrically arranged are arranged on the inner side wall of the first collecting box (701), a symmetrical side of each filter screen is connected with the corresponding sliding mechanism (7014) at the corresponding side, and the sliding mechanisms (7014) are further connected with the corresponding telescopic rods (7011) in a sliding mode;
the top end of the inner side of the first collecting box (701) is provided with an image sensor;
based on the image sensor, acquiring a current sample water source image in the first collection box, meanwhile, randomly selecting a target area of the current sample water source image, and acquiring a pixel mean value and a variance of the current sample water source image;
acquiring a gray pixel value of the current sample water source image based on the pixel mean value and the variance;
comparing the gray pixel value with the preset pixel value to obtain a background comparison map, and analyzing the pixel color in the background comparison map;
extracting black pixel points and white pixel points in the background comparison image according to the analysis result of the pixel color of the background comparison image;
acquiring a particle concentration value of corresponding suspended particles in the current background map according to the extracted black pixel points and white pixel points;
comparing the particle concentration value of the background map with a reference concentration value;
based on the comparison result, if the particle concentration value is less than or equal to the reference concentration value, the concentration of suspended particles in the current sample water source in the first collection tank meets a standard range;
otherwise, the motor (7012) is started to drive the telescopic rod (7011) to pull the filter screen (7013) at the bottom end inside the first collecting box (701) through the sliding mechanism (7014), and suspended particles in the sample water source are filtered out.
8. The hydraulic engineering sewage detection collection device of claim 1, wherein:
a portable flowmeter is arranged at the first water outlet (4);
a pressure electric detector is arranged on the inner side of the first water outlet (4);
an alarm device is arranged outside the first collecting box (701);
a hydraulic engineering sewage detection uses collection system still includes: a computer;
the computer is connected with the portable flowmeter, the pressure electric detector and the alarm device,
wherein the computer is used for optimizing the water outlet model of the first water outlet (4), and the specific optimization steps comprise:
wherein the computer simulates and calculates the loss amount of the first water outlet (4) based on the pressure electric detector;
wherein H represents the loss of the water outlet (4), and H0The loss amount of the main body box (5) close to the water outlet is represented, the loss coefficient of the water outlet (4) is represented, and v represents the speed of the water outlet (4) when water flows out;
the computer simulates and calculates the non-uniform coefficient of the flow of the sample water source when passing through the water outlet according to the loss of the first water outlet (4) and the portable flowmeter;
wherein C represents the flow non-uniformity coefficient of the sample water source at the water outlet, vmaxRepresenting a maximum flow rate of the sample water source as it passes through the outlet; t represents the time required to obtain the loss amount;
determining an optimization condition of the first water outlet (4) according to the non-uniformity coefficient;
when the non-uniformity coefficient is less than or equal to 1, indicating that the first water outlet (4) does not need to be optimized;
otherwise, starting an alarm device to alarm;
meanwhile, starting a preset model building system, and building an optimized physical model based on the uneven coefficient and the loss of the first water outlet (4);
and the computer is used for optimizing the water outlet model based on the optimized physical model and outputting the water outlet model.
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