CN219532824U - In-situ measurement device for particle size of field sediment particles based on image method - Google Patents
In-situ measurement device for particle size of field sediment particles based on image method Download PDFInfo
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- CN219532824U CN219532824U CN202223125852.2U CN202223125852U CN219532824U CN 219532824 U CN219532824 U CN 219532824U CN 202223125852 U CN202223125852 U CN 202223125852U CN 219532824 U CN219532824 U CN 219532824U
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Abstract
The utility model provides an in-situ measurement device for the particle size of silt particles in a field site based on an image method, which comprises a portable shell, a sample water body collecting and circulating device, a particle size sorting device, a dispersing device and an image acquisition device, wherein the portable shell is provided with a sample water body collecting and circulating device; the sample water body collecting and circulating device comprises a sampling tube and a water taking pump, wherein the water inlet end of the water taking pump is connected with the sampling tube, and the water outlet end of the water taking pump is communicated with the sorting bin; the particle size sorting device comprises a filtering component, a first sorting pump and a second sorting pump, wherein the filtering component is arranged in the sorting bin, and the first sorting pump and the second sorting pump are respectively arranged on the upper side and the lower side of the filtering component; the dispersing device is arranged in the dispersing bin, a transfer pump is further arranged in the dispersing bin, the transfer pump is connected with a hose, and the hose passes through the analysis bin and the recovery bin; the image acquisition device comprises an industrial camera, a light supplementing device, an optical lens and a laser light source. The utility model has simple operation and small error, and solves the problem of difficult field sediment particle size on-site measurement.
Description
Technical Field
The utility model relates to silt particle size data acquisition equipment, in particular to an in-situ measurement device for the particle size of silt particles in a field on the basis of an image method.
Background
The particle size and grading conditions of the sediment particles in the water body with different river characteristics in different areas have diversity and randomness, so that the on-site sediment parameter measurement is difficult, and the sediment parameter is important for researching the mechanism and rule of sediment scouring, carrying and stacking.
The existing common silt particle analysis methods mainly comprise a screening method, a laser method, an image method and the like. The screening method has simple operation, low cost and low requirements on environmental conditions and equipment, has absolute advantages in particular to analysis of coarse sediment parts with the particle size of more than 1000 microns, but has poor separation effect of fine sediment, and the method has a plurality of manual intervention links and complicated steps; the laser method has wide measuring particle size range, only a few minutes are needed from sample pretreatment and measurement to data output, but the method has high instrument cost, large volume and low portability and is mostly used for laboratory measurement; the existing image method sediment particle size measuring instrument is mainly used for laboratory detection, researchers need to bring samples back to the laboratory for analysis after on-site sampling, the detection period is long, the efficiency is low, and on-site in-situ monitoring by related researchers cannot be met, so that research and development of an on-site sediment particle size in-situ measuring device based on an image method in the field is needed.
Disclosure of Invention
The utility model aims to: aiming at the defects existing in the prior art, the utility model provides an in-situ measurement device for the particle size of the silt particles in the field on the basis of an image method, and the in-situ observation of the grading of the silt particles in the field is realized by simplifying the design of device integration.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
a portable field sediment particle size measuring device based on an image method comprises a portable shell, a sample water body collecting and circulating device, a particle size sorting device, a dispersing device and an image acquisition device;
a sorting bin, a dispersing bin, an analysis bin and a recovery bin are arranged in the portable shell;
the sample water body collecting and circulating device comprises a sampling tube and a water taking pump, the water taking pump is arranged in the portable shell, the water inlet end of the water taking pump is connected with the sampling tube and used for sampling from a natural river, and the water outlet end of the water taking pump is led to the sorting bin;
the particle size sorting device comprises a filtering component, a first sorting pump and a second sorting pump, wherein the filtering component is arranged in the sorting bin and used for passing fine particle sediment and blocking coarse particle sediment, and the first sorting pump and the second sorting pump are respectively arranged on the upper side and the lower side of the filtering component so as to respectively convey the coarse particle sediment and the fine particle sediment to the dispersing bin;
the dispersing device is arranged in the dispersing bin and is used for dispersing sediment, and a transfer pump is further arranged in the dispersing bin to transport sediment;
the image acquisition device comprises an industrial camera, a light supplementing device, an optical lens and a laser light source; the laser light source, the optical lens, the analysis bin and the industrial camera are located at the same height, the optical lens turns a point light source emitted by the laser light source into parallel light, the analysis bin is located between the industrial camera and the optical lens, a glass tube is arranged in the analysis bin, two ends of the glass tube are respectively connected with two hoses, one hose is connected to the transfer pump, the other hose is connected to the recovery bin, the transfer pump conveys sediment to the glass tube in the analysis bin through the hose, the image acquisition device acquires images of the sediment, and the sediment is conveyed into the recovery bin through the hose after the image acquisition device acquires the images.
Further, the sampling tube is an electric telescopic hard pipeline, a pressure sensor is arranged at a water intake of the sampling tube so as to record the water depth of the sampling position in real time, and a filter screen is arranged at an inlet of the sampling tube so as to block particles with the volume larger than a set range.
Further, the filter component comprises a vibration part, a connecting section and a filter screen, a groove is formed in the sorting bin, the vibration part is arranged in the groove, the connecting section is arranged on the vibration part, the connecting section is connected with the filter screen, and the vibration part drives the filter screen to vibrate through the connecting section.
Further, the particle size sorting device further comprises a plug flow piece, and the plug flow piece is arranged above the filter screen and used for disturbing sediment.
Further, the particle size sorting device further comprises an electric baffle plate, wherein the electric baffle plate is arranged adjacent to the lower side of the filter screen, and the electric baffle plate can move along the filter screen to divide the sorting bin into two parts.
Further, the dispersing device comprises a motor and a stirring rod connected to the motor, the motor is fixed at the top of the dispersing bin, and a waterproof cover is arranged outside the motor.
Further, the dispersing bin is wide in upper part and narrow in lower part, a baffle capable of being opened and closed is arranged at the bottom of the dispersing bin, and the transfer pump is located below the baffle.
Further, a recovery pump is arranged in the recovery bin and used for conveying sediment to the sorting bin for repeated detection.
Further, the recycling bin is connected with a drain pipe through a one-way valve.
Furthermore, each of the two sides of the analysis bin is provided with a circular shooting area, the circular shooting area is provided with a detachable high-lens sheet, and the front side of the analysis bin is provided with a high-definition lens, so that laser light of the laser sheet is incident into the analysis bin.
Compared with the prior art, the utility model has the following beneficial effects:
1. the novel sediment particle grading in-situ observation device has the characteristics of high portability and the like by skillfully integrating, reducing the volume of the instrument, and is beneficial to independent completion of in-situ sediment particle grading observation of field workers;
2. this novel sampling tube of experiment is telescopic stereoplasm pipeline, has a pressure sensor in intake department, can the real-time recording sample department the depth of water, accomplishes the space distribution condition of the sediment grain gradation of plumb line direction.
3. After the sample enters the instrument, the sample is divided into a thick part and a thin part through a filter screen, and image acquisition and detection are carried out in a sediment detection area, so that the particle size dynamic range ratio of sediment particles is reduced, and the measurement accuracy of the sediment particles in the water body is further improved.
4. This novel circulating device that has of experiment, the water sample can measure many times completely, reduces the error that the measurement contingency brought.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a portable field sediment particle size measuring device based on an image method according to an embodiment of the utility model.
FIG. 2 is a schematic illustration of the components of a cartridge filter assembly in accordance with an embodiment of the present utility model.
In the figure: 1. a portable handle; 2. a rectangular housing; 3. a sampling tube; 4. a water taking pump; 5. a liquid level detection sensor; 6. a recycling bin; 7. a recovery pump; 8. a drain pipe; 9. a filter assembly; 10. sorting bin; 11. an electric baffle; 12. a sorting pump; 13. a dispersion bin; 14. a transfer pump; 15. a motor; 16. a waterproof cover; 17. a stirring rod; 18. an industrial camera; 19. an analysis bin; 20. a light supplementing device; 21. a laser light source; 22. a vibrating member; 23. a connection section; 24. a filter screen; 25. a plug flow member; 26. an optical lens.
Detailed Description
The utility model is described in further detail below with reference to the attached drawings and detailed description:
as shown in fig. 1, the portable field silt particle size measuring device based on the image method in this embodiment includes a portable housing, a sample water body collecting and circulating device, a particle size sorting device, a dispersing device and an image collecting device.
In this embodiment, the portable field sediment particle diameter measuring device based on the image method further includes a data analysis system, so as to perform size analysis on sediment particles collected by the image collecting device. It will be appreciated that in other embodiments, the data analysis system may be omitted, and after image acquisition is completed, the subsequent laboratory may perform unified processing on the image, or an image acquisition device that integrates size analysis may be used.
The portable housing comprises a rectangular shell 2 and a portable handle 1. The rectangular shell 2 is internally provided with a sorting bin 10, a dispersing bin 13, an analysis bin 19 and a recovery bin 6, wherein the sorting bin 10, the dispersing bin 13 and the analysis bin 19 are sequentially and transversely arranged, and the analysis bin 19 and the recovery bin 6 are vertically arranged. The sample water body collecting and circulating device comprises a sampling tube 3 and a water taking pump 4, the water taking pump 4 is arranged in the portable shell, the water inlet end of the water taking pump 4 is connected with the sampling tube 3 and is used for sampling from a natural river, and the water outlet end of the water taking pump 4 is led to a sorting bin 10;
the particle size sorting device comprises a filtering component 9, a first sorting pump and a second sorting pump, wherein the filtering component 9 is arranged in the sorting bin 10 and is used for passing fine particle sediment and blocking coarse particle sediment, and the first sorting pump and the second sorting pump are respectively arranged on the upper side and the lower side of the filtering component 9 so as to respectively convey the coarse particle sediment and the fine particle sediment to the dispersing bin 13;
the dispersing device is arranged in the dispersing bin 13 and is used for dispersing sediment, and a transfer pump 14 is further arranged in the dispersing bin 13 to transport the sediment;
the image acquisition device comprises an industrial camera 18, a light supplementing device 20, an optical lens 26 and a laser light source 21; the laser light source 21, the optical lens 26, the analysis bin 19 and the industrial camera 18 are located at the same height, the optical lens 26 changes a point light source emitted by the laser light source 21 into parallel light, the analysis bin 19 is located between the industrial camera 18 and the optical lens 26, a glass tube is arranged in the analysis bin 19, two ends of the glass tube are respectively connected with two hoses, one hose is connected to the transfer pump 14, the other hose is connected to the recovery bin 6, the transfer pump 14 conveys sediment to the glass tube in the analysis bin 19 through the hoses, the image acquisition device acquires images of the sediment, and the sediment is conveyed into the recovery bin 6 through the hoses after the image acquisition.
Further, a liquid level detection sensor 5 is arranged in the sorting bin 10, and when the liquid level reaches a set height, the water taking pump 4 is controlled to stop sampling.
Further, the water inlet of the first sorting pump is slightly higher than the filtering component 9; the water inlet of the second sorting pump is at the bottom of the sorting bin 10. In the figure, only the second separator pump 12 is indicated.
The light supplementing device 20 may employ an LED lamp.
Further, the sampling tube 3 is an electrically telescopic hard pipeline, a pressure sensor is arranged at a water intake of the sampling tube 3 to record the water depth at the sampling position in real time, and a filter screen 24 is arranged at an inlet of the sampling tube 3 to block particulate matters with the volume larger than a set range.
Further, the filtering component 9 includes a vibration member 22, a connection section 22 and a filter screen 24, a groove is formed in the sorting bin 10, the vibration member 22 is disposed in the groove, the connection section 22 is disposed on the vibration member 22, the connection section 22 is connected with the filter screen 24, and the vibration member 22 drives the filter screen 24 to vibrate through the connection section 22.
The two grooves are symmetrically arranged in the middle of the sorting bin 10 and are formed by recessing the side wall of the sorting bin 10.
Further, the particle size sorting device further comprises a plug flow member 25, and the plug flow member 25 is disposed above the filter screen 24 and is used for disturbing sediment. The plug 25 has an effect of preventing sediment from sinking by disturbing the water flow.
Further, the particle size sorting apparatus further includes an electric baffle 11, the electric baffle 11 being disposed adjacent to the underside of the filter screen 24, the electric baffle 11 being movable along the filter screen 24 to divide the sorting bin 10 into two parts.
Further, the dispersing device comprises a motor 15 and a stirring rod 17 connected to the motor 15, the motor 15 is fixed at the top of the dispersing bin 13, and a waterproof cover 16 is arranged outside the motor 15.
The upper part of the dispersion bin 13 is provided with a baffle plate, the motor 15 is fixed on the baffle plate, and the output shaft of the motor penetrates through the baffle plate.
Further, the dispersing bin 13 is wide in upper portion and narrow in lower portion, a baffle capable of being opened and closed is arranged at the bottom of the dispersing bin 13, and the transfer pump 14 is located below the baffle. The baffle plate can be opened after the sediment is dispersed, and the baffle plate can be closed when no sample exists in the dispersing bin 13 or the dispersing device works.
Further, a recovery pump 7 is arranged in the recovery bin 6, and the recovery pump 7 is used for conveying sediment to the sorting bin 10 for repeated detection.
Further, the recycling bin 6 is connected with a drain pipe 8 through a one-way valve. After the detection is completed thoroughly, the sample water body is discharged out of the instrument through a drain pipe 8.
Furthermore, two sides of the analysis bin 19 are respectively provided with a circular shooting area, the circular shooting area is provided with a detachable high-lens sheet, and the front side of the analysis bin 19 is provided with a high-definition lens, so that laser light enters the analysis bin 19.
The analysis bin 19 is of a flat and thin cuboid structure; sample conveying pipeline interfaces are reserved on the upper side edge and the lower side edge.
All parts of the instrument through which the sample flows are connected by a silica gel hose, and a sealing ring is arranged at the joint.
The shock absorbing device can be arranged at the contact part of the pump-containing parts such as the dispersing bin 13, the recycling bin 6 and the like and the shell, so that the influence of vibration on the shell can be reduced, the overall stability of the device is improved, and the service life of the instrument is prolonged. The damping device may employ a rubber gasket or the like.
When the embodiment is used, the following steps are adopted: the sampling tube 3 is placed in rivers with different water depths, a certain water flow sample is extracted through the water taking pump 4, and the sample flows into the sorting bin 10 through the silica gel hose to sort sediment. Fine particle sediment can pass through the filter screen 24, and coarse particle sediment can remain on the filter screen 24, and the vibration piece 22 drives the connecting section 23 to enable the filter screen 24 to vibrate up and down, so that the filter screen 24 is prevented from being blocked by the coarse particle sediment. After the sample reaches the limit height of the liquid level detection sensor 5, the water intake pump 44 stops operating. After the sorting is completed, the electric baffle 11 is opened, and the upper and lower parts are completely separated by taking the filter screen 24 as a limit. At this time, the sorting pump 12 at the lower half part starts to work, fine particle samples firstly enter the dispersing bin 13 through the sorting pump 12, a baffle at the bottom of the dispersing bin 13 is opened after the dispersing is completed, the samples are conveyed to a detection area of the analysis bin 19 by the transfer pump 14, at this time, the laser light source 21 and the LED lamp tube light supplementing device 20 are started, image acquisition is completed when the samples pass, and the samples are conveyed to the recovery bin 6 after the detection is completed. The coarse sample then enters the dispersing device through the sorting pump 12, and the image acquisition is completed as in the fine step. When the coarse particle samples are all sent to the recovery bin 6 after the image acquisition is completed, the electric baffle 11 in the sorting bin 10 is started, the recovery pump 7 starts to work, and all the samples are sent to the sorting bin 10 together. In the measuring mode, the valve of the drain pipe 8 is closed.
After the sample reaches the sorting bin 10 again, all operations when the sample reaches the sorting bin 10 for the first time are completed, and the measurement is repeated for a plurality of times. All the shot image data are sent to a computer, image analysis is carried out through software, and finally the obtained data are displayed in the computer.
After the sample is measured for a plurality of times, the sample reaches the recovery bin 6, the drain pipe 8 is opened, and the sample is discharged to the outside through the drain pipe 8.
This embodiment is a preferred embodiment of the above patent, and other personnel can only change the size, flow sequence, etc. of the device and still fall within the protection scope of the patent claims.
Claims (10)
1. An in-situ measurement device for the particle size of silt particles in a field site based on an image method is characterized in that: the device comprises a portable shell, a sample water body collecting and circulating device, a particle size sorting device, a dispersing device and an image acquisition device;
a sorting bin, a dispersing bin, an analysis bin and a recovery bin are arranged in the portable shell;
the sample water body collecting and circulating device comprises a sampling tube and a water taking pump, the water taking pump is arranged in the portable shell, the water inlet end of the water taking pump is connected with the sampling tube and used for sampling from a natural river, and the water outlet end of the water taking pump is led to the sorting bin;
the particle size sorting device comprises a filtering component, a first sorting pump and a second sorting pump, wherein the filtering component is arranged in the sorting bin and used for passing fine particle sediment and blocking coarse particle sediment, and the first sorting pump and the second sorting pump are respectively arranged on the upper side and the lower side of the filtering component so as to respectively convey the coarse particle sediment and the fine particle sediment to the dispersing bin;
the dispersing device is arranged in the dispersing bin and is used for dispersing sediment, and a transfer pump is further arranged in the dispersing bin to transport sediment;
the image acquisition device comprises an industrial camera, a light supplementing device, an optical lens and a laser light source; the laser light source, the optical lens, the analysis bin and the industrial camera are located at the same height, the optical lens turns a point light source emitted by the laser light source into parallel light, the analysis bin is located between the industrial camera and the optical lens, a glass tube is arranged in the analysis bin, two ends of the glass tube are respectively connected with two hoses, one hose is connected to the transfer pump, the other hose is connected to the recovery bin, the transfer pump conveys sediment to the glass tube in the analysis bin through the hose, the image acquisition device acquires images of the sediment, and the sediment is conveyed into the recovery bin through the hose after the image acquisition device acquires the images.
2. The field on-site sediment particle size in-situ measurement device based on the image method as set forth in claim 1, wherein: the sampling tube is an electric telescopic hard pipeline, a pressure sensor is arranged at a water intake of the sampling tube so as to record the water depth of the sampling position in real time, and a filter screen is arranged at an inlet of the sampling tube so as to block particulate matters with the volume larger than a set range.
3. The field on-site sediment particle size in-situ measurement device based on the image method as set forth in claim 1, wherein: the filter component comprises a vibration part, a connecting section and a filter screen, wherein a groove is formed in the sorting bin, the vibration part is arranged in the groove, the connecting section is arranged on the vibration part, the connecting section is connected with the filter screen, and the vibration part drives the filter screen to vibrate through the connecting section.
4. The field in-situ silt particle size measurement device based on an image method according to claim 3, wherein: the particle size sorting device further comprises a plug flow piece, wherein the plug flow piece is arranged above the filter screen and used for disturbing sediment.
5. The field in-situ silt particle size measurement device based on an image method according to claim 3, wherein: the particle size sorting device further comprises an electric baffle plate, the electric baffle plate is arranged adjacent to the lower side of the filter screen, and the electric baffle plate can move along the filter screen to divide the sorting bin into two parts.
6. The field on-site sediment particle size in-situ measurement device based on the image method as set forth in claim 1, wherein: the dispersing device comprises a motor and a stirring rod connected to the motor, the motor is fixed at the top of the dispersing bin, and a waterproof cover is arranged outside the motor.
7. The field on-site sediment particle size in-situ measurement device based on the image method as set forth in claim 6, wherein: the dispersing bin is wide in upper part and narrow in lower part, a baffle capable of being opened and closed is arranged at the bottom of the dispersing bin, and the transfer pump is positioned below the baffle.
8. The field on-site sediment particle size in-situ measurement device based on the image method as set forth in claim 1, wherein: the recovery pump is arranged in the recovery bin and used for conveying sediment to the sorting bin for repeated detection.
9. The field in-situ silt particle size measurement device based on an image method according to claim 8, wherein the device is characterized in that: the recovery bin is connected with a drain pipe through a one-way valve.
10. The field on-site sediment particle size in-situ measurement device based on the image method as set forth in claim 1, wherein: the analysis bin is characterized in that two sides of the analysis bin are respectively provided with a round shooting area, the round shooting areas are provided with high-definition lens pieces which are detachable, and the front side of the analysis bin is provided with high-definition lens pieces, so that laser light of the laser pieces enters the analysis bin.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202223125852.2U CN219532824U (en) | 2022-11-24 | 2022-11-24 | In-situ measurement device for particle size of field sediment particles based on image method |
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| CN202223125852.2U CN219532824U (en) | 2022-11-24 | 2022-11-24 | In-situ measurement device for particle size of field sediment particles based on image method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117862045A (en) * | 2023-12-22 | 2024-04-12 | 山东山田新材科研有限公司 | Control system for continuously sorting ultrafine particles |
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- 2022-11-24 CN CN202223125852.2U patent/CN219532824U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117862045A (en) * | 2023-12-22 | 2024-04-12 | 山东山田新材科研有限公司 | Control system for continuously sorting ultrafine particles |
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