CN214844638U

CN214844638U - Experimental device convenient to infiltration rate survey and moist surface are surveyd

Info

Publication number: CN214844638U
Application number: CN202120862038.5U
Authority: CN
Inventors: 李亚昊; 周志刚; 李雅萍; 刘杨
Original assignee: China Salt Prospecting Design Institute Co ltd
Current assignee: China Salt Prospecting Design Institute Co ltd
Priority date: 2021-04-25
Filing date: 2021-04-25
Publication date: 2021-11-23
Anticipated expiration: 2031-04-25

Abstract

The utility model discloses an experimental device convenient for infiltration rate measurement and moist surface observation, which comprises an infiltration cylinder, a Marfan bottle, a support and a data recording device, wherein the infiltration cylinder and the support are placed on a workbench, the Marfan bottle is supported by the support and is positioned at the designed water head height, the experimental device also comprises a camera device, the peripheral surface of the infiltration cylinder is provided with scale marks which are densely distributed along two mutually perpendicular directions and are uniformly spaced, and the image acquisition end of the camera device faces the infiltration cylinder; ooze the bottom of a section of thick bamboo and be equipped with first mass sensor, the bottom of mah-jong bottle is equipped with second mass sensor, first mass sensor, second mass sensor and camera device all are connected to data recording device. The utility model discloses an experimental apparatus convenient to infiltration rate survey and moist face are surveyd has simple and practical, the accuracy acquires experimental data and does benefit to advantages such as survey moist cutting edge of a knife or a sword change.

Description

Experimental device convenient to infiltration rate survey and moist surface are surveyd

Technical Field

The utility model relates to a hydrology experimental apparatus technical field especially relates to an experimental apparatus convenient to infiltration rate survey and moist surface are surveyd.

Background

The infiltration rate measurement and the wet surface observation experiment of different media are one of indispensable experiments in the university hydrology teaching, but the measurement device in the traditional laboratory has a plurality of defects, the Darcy seepage flow experimental device used in the common laboratory can only calculate the infiltration amount by reading the scales on the Ma bottle, and because the artificial visual inspection is relied on, the subjectivity and the randomness are strong, errors exist during reading, and the experimental precision is insufficient; meanwhile, the specific motion change of the wetting front is difficult to accurately observe, and quantitative research is difficult to carry out.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome prior art not enough, provide a simple and practical, accurate experimental data and do benefit to the experimental apparatus who is convenient for of observing moist cutting edge of a knife or a sword change and ooze rate survey and moist face and survey.

In order to solve the technical problem, the utility model provides a technical scheme does:

an experimental device convenient for measuring infiltration rate and observing a wet surface comprises an infiltration cylinder, a Marfan bottle, a support and a data recording device, wherein the infiltration cylinder and the support are placed on a workbench, the Marfan bottle is supported by the support and is positioned at a designed water head height, the experimental device further comprises a camera device, scale marks which are densely distributed along two mutually vertical directions and are uniformly spaced are arranged on the peripheral surface of the infiltration cylinder, and an image acquisition end of the camera device faces the infiltration cylinder; ooze the bottom of a section of thick bamboo and be equipped with first mass sensor, the bottom of mah-jong bottle is equipped with second mass sensor, first mass sensor, second mass sensor and camera device all are connected to data recording device.

As a further improvement of the above technical solution:

the experimental device convenient for measuring the infiltration rate and observing the wet surface also comprises a pressure measuring pipe which is vertically arranged, and the bottom end of the pressure measuring pipe is connected with the top of the infiltration cylinder through an interface; the Mariotte bottle is connected with the other interface at the top of the infiltration cylinder through a hose.

The top of the Malpighian bottle is provided with a first valve and a second valve, one side of the bottom is provided with a third valve, and the other side is provided with a hose connected with the infiltration cylinder.

The interface of the infiltration cylinder and the Malpighian bottle is provided with a three-way joint, and the other opening of the three-way joint is communicated with a hose connected to a water source.

And water stopping clamps are arranged on the hose between the March's flask and the infiltration cylinder and the hose between the water source and the infiltration cylinder.

The infiltration cylinder is characterized in that the interior of the cylinder body of the infiltration cylinder is divided into a medium containing area and a water chamber through a partition plate, the water chamber is positioned above the medium containing area, and the top of the water chamber is connected with a piezometer tube and a March flask.

The partition plate comprises a folding plate, a pull rod and a baffle ring, wherein one end of the pull rod penetrates out of a small hole formed in the side wall of the infiltration cylinder, and the other end of the pull rod is connected with the edge, far away from the small hole, of the folding plate; the outer edge of the baffle ring is connected with the inner wall of the infiltration cylinder, and the middle part of the baffle ring is provided with an opening; the folding plate is supported by the baffle ring and is arranged at the opening in the middle of the baffle ring.

The bottom of the infiltration cylinder is provided with a water outlet with a valve.

The support includes base, vaulting pole and holds the elevating platform of mah-jong bottle, the vaulting pole is vertical to be set up, and the bottom is connected on the base, the elevating platform can slide along the vaulting pole to it is fixed through the fastener.

Compared with the prior art, the utility model has the advantages of:

the utility model discloses an experimental apparatus convenient to infiltrate rate survey and moist surface observation, including oozing a section of thick bamboo, mah-jong bottle, support and data recording device, ooze a section of thick bamboo and support and place on the workstation, mah-jong bottle is held by the support and is located the design flood peak height. The experimental device further comprises a camera device, the peripheral face of the seepage cylinder is provided with scale marks which are densely distributed along two mutually perpendicular directions and are evenly spaced, the image acquisition end of the camera device faces the seepage cylinder, when the outer wall of the seepage cylinder can observe the wetting front, the camera device can completely record the change of the wetting front, and in the reading process, the scale marks which are recorded in the image together with the wetting front can provide reading standards for workers, so that the depth and the movement change numerical value of the wetting front can be accurately determined.

Ooze the bottom of a section of thick bamboo and be equipped with first mass sensor, the bottom of mah-jong bottle is equipped with second mass sensor, and first mass sensor, second mass sensor can take notes respectively and ooze the quality change of a section of thick bamboo and mah-jong bottle to the infiltration volume of accurate determination water compares in the manual work and passes through the scale reading, and the error that artifical reading was introduced has been avoided to this kind of recording mode, has further improved the experimental data precision. The data and the camera device of the two mass sensors are connected to the data recording device, so that the data and the images at the same moment are in one-to-one correspondence, the infiltration capacity data and the wet surface observation can be correspondingly compared, and the defect that experimental phenomena are difficult to quantitatively research is overcome.

Drawings

FIG. 1 is a schematic diagram of the structure of an experimental apparatus facilitating the determination of the infiltration rate and the observation of the wetted surface;

FIG. 2 is a schematic diagram of the construction of a cartridge in an experimental set-up to facilitate the determination of the infiltration rate and the observation of the wetted surface;

FIGS. 3 and 4 are schematic diagrams of the structure of the separator in the experimental apparatus for facilitating the determination of the infiltration rate and the observation of the wet surface.

Illustration of the drawings: 1. infiltrating the cylinder; 11. a first mass sensor; 12. a three-way joint; 13. a partition plate; 131. folding the board; 132. a pull rod; 133. a baffle ring; 14. a medium accommodating area; 15. a water chamber; 16. a water outlet; 2. a March bottle; 21. a second mass sensor; 3. a support; 31. a base; 32. a stay bar; 33. a lifting platform; 4. a data recording device; 5. a camera device; 6. pressure measuring pipe.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully and specifically with reference to the accompanying drawings and preferred embodiments, but the scope of the present invention is not limited to the following specific embodiments.

Example (b):

as shown in fig. 1 and fig. 2, the experimental apparatus convenient for measuring the infiltration rate and observing the wet surface of the embodiment includes an infiltration cylinder 1, a mahalanobis bottle 2, a support 3 and a data recording device 4, the infiltration cylinder 1 and the support 3 are placed on a workbench, the mahalanobis bottle 2 is supported by the support 3 and is located at a designed water head height, the experimental apparatus further includes a camera device 5, the peripheral surface of the infiltration cylinder 1 is provided with scale marks which are densely distributed along two mutually perpendicular directions and are uniformly spaced, the scale marks are distributed in a grid manner, and an image acquisition end of the camera device 5 faces the infiltration cylinder 1. When the wetting front can be observed on the outer wall of the infiltration cylinder 1, the camera device 5 can completely record the change of the wetting front, and in the reading process, the scale marks recorded in the image together with the wetting front can provide reading standards for workers so as to accurately determine the depth and movement change values of the wetting front.

Ooze the bottom of a section of thick bamboo 1 and be equipped with first mass sensor 11, the bottom of mah-jong bottle 2 is equipped with second mass sensor 21, and first mass sensor 11, second mass sensor 21 can take notes respectively and ooze the quality change of a section of thick bamboo 1 and mah-jong bottle 2 to the infiltration capacity of accurate determination water compares in the manual work and passes through the scale reading, and the error that artifical reading was introduced has been avoided to this kind of record mode, has further improved the experimental data precision. The first mass sensor 11, the second mass sensor 21 and the camera device 5 are connected to the data recording device 4, so that data and images at the same moment are in one-to-one correspondence, the infiltration capacity data and the wet surface observation can be correspondingly compared, and the defect that experimental phenomena are difficult to quantitatively research is overcome.

In this embodiment, the camera device 5 is located at a position half the height of the infiltration cylinder 1, so as to completely shoot the change condition of the wetting front.

In this embodiment, the experimental device further comprises a pressure measuring pipe 6 which is vertically arranged, and the bottom end of the pressure measuring pipe 6 is connected with the top of the infiltration cylinder 1 through an interface; the Mariotte bottle 2 is connected with the other interface at the top of the infiltration cylinder 1 through a hose. The top of the Malpighian bottle 2 is provided with a first valve and a second valve, one side of the bottom is provided with a third valve, and the other side is provided with a hose connected with the infiltration cylinder 1. A three-way joint 12 is arranged at the joint of the infiltration cylinder 1 and the Mariotte bottle 2, and the other opening of the three-way joint 12 is communicated with a hose connected to a water source. And water stopping clamps are arranged on the hose between the March's flask 2 and the infiltration cylinder 1 and the hose between the water source and the infiltration cylinder 1.

Before the experiment is started, the Mariotte bottle 2 is adjusted to the designed water head height, then the first valve and the second valve are opened, water is added into the Mariotte bottle 2 through any valve, and after the water is filled, the power supply of the first mass sensor 11, the second mass sensor 21, the camera device 5 and the data recording device 4 is connected. And starting an experiment, adding water into the infiltration cylinder 1 from a water source, stopping adding water when the water level of the piezometric tube 6 reaches the designed water head height, and cutting off the connection between the water source and the infiltration cylinder 1. And closing the first valve and the second valve of the Marshall flask 2, opening the third valve, connecting the Marshall flask 2 and the infiltration cylinder 1, and recording data and image change through the data recording device 4. When the data change is stable, the third valve and the connection between the Mariotte bottle 2 and the infiltration cylinder 1 are closed. Recording and plotting of the pattern of changes in the infiltration rate and wetting front can be effected on the basis of the data in the data recording device 4.

In this embodiment, the inside of the cylinder body of the permeation cylinder 1 is divided into a medium accommodating area 14 and a water chamber 15 by a partition plate 13, the water chamber 15 is located above the medium accommodating area 14, and the top of the water chamber 15 is connected with the pressure measuring tube 6 and the marten flask 2. In this arrangement, the partition 13 is withdrawn to allow water in the water chamber 15 to smoothly enter the medium accommodating region 14, thereby ensuring stability of the inlet water head.

In this embodiment, the partition 13 includes a folding plate 131, a pull rod 132 and a baffle ring 133, one end of the pull rod 132 penetrates through a small hole formed on the sidewall of the infiltration cylinder 1, and the other end is connected to the edge of the folding plate 131 far from the small hole; the outer edge of the baffle ring 133 is connected with the inner wall of the infiltration cylinder 1, and the middle part is provided with an opening. Before the experiment, as shown in fig. 3, the folding plate 131 is supported by the retaining ring 133 and disposed at the opening in the middle of the retaining ring 133 to ensure separation of the water chamber 15 and the medium accommodating area 14, and when infiltration is required, as shown in fig. 4, the folding plate 131 can be folded by pulling the pull rod 132 to open the opening in the middle of the retaining ring 133, so that water in the water chamber 15 enters the medium accommodating area 14. Sealing elements such as sealing rings can be arranged at the small holes on the side wall of the infiltration cylinder 1 to ensure the sealing performance of the pull rod 132 in various states.

In this embodiment, the bottom of the infiltration cylinder 1 is provided with a water outlet 16 with a valve, and after the experiment is completed, the valve is opened, so that water can be discharged through the water outlet 16.

In this embodiment, the support 3 includes a base 31, a stay bar 32 and a lifting table 33 for supporting the marquis's bottle 2, the stay bar 32 is vertically disposed, the bottom end is connected to the base 31, and the lifting table 33 can slide along the stay bar 32 and is fixed by a fastener. The adjustment of the height of the mahalanobis bottle 2 can be realized through the lifting platform 33 so as to be suitable for the designed water head heights required by different experiments. In this embodiment, the relative fixing positions of the brace 32 and the lifting platform 33 by the fastener are conventional mechanical structures, and are not described herein.

The above description is only the preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments. For those skilled in the art, the modifications and changes obtained without departing from the technical idea of the present invention should be regarded as the protection scope of the present invention.

Claims

1. The utility model provides an experimental apparatus convenient to infiltration rate survey and moist surface are surveyd, includes oozing a section of thick bamboo (1), mah-jong bottle (2), support (3) and data logging device (4), ooze a section of thick bamboo (1) and support (3) and place on the workstation, mah-jong bottle (2) are held by support (3) and are located design flood peak height, its characterized in that: the infiltration cylinder is characterized by further comprising a camera device (5), scale marks which are densely distributed in two mutually perpendicular directions and are uniformly spaced are arranged on the peripheral surface of the infiltration cylinder (1), and the image acquisition end of the camera device (5) faces the infiltration cylinder (1); ooze the bottom of a section of thick bamboo (1) and be equipped with first mass sensor (11), the bottom of mah-jong bottle (2) is equipped with second mass sensor (21), first mass sensor (11), second mass sensor (21) and camera device (5) all are connected to data recording device (4).

2. The device of claim 1, wherein the device is adapted to facilitate measurement of an infiltration rate and observation of a wet surface, and further comprises: the device also comprises a pressure measuring pipe (6) which is vertically arranged, wherein the bottom end of the pressure measuring pipe (6) is connected with the top of the infiltration cylinder (1) through a connector; the Mariotte bottle (2) is connected with the other interface at the top of the infiltration cylinder (1) through a hose.

3. The device of claim 2, wherein the device is adapted to facilitate measurement of an infiltration rate and observation of a wet surface, and further comprises: the top of the Malpighian bottle (2) is provided with a first valve and a second valve, one side of the bottom is provided with a third valve, and the other side is provided with a hose connected with the infiltration cylinder (1).

4. The device of claim 2, wherein the device is adapted to facilitate measurement of an infiltration rate and observation of a wet surface, and further comprises: a three-way joint (12) is arranged at the joint of the infiltration cylinder (1) and the Martin bottle (2), and the other opening of the three-way joint (12) is communicated with a hose connected to a water source.

5. The device of claim 4, wherein the device is adapted to facilitate measurement of an infiltration rate and observation of a wet surface, and further comprises: and water stopping clamps are arranged on the hose between the March's flask (2) and the infiltration cylinder (1) and the hose between the water source and the infiltration cylinder (1).

6. An experimental set-up for facilitating the determination of the rate of infiltration and the observation of the wetted surface according to claim 2 or 4, characterized in that: the infiltration cylinder is characterized in that the interior of the cylinder body of the infiltration cylinder (1) is divided into a medium containing area (14) and a water chamber (15) through a partition plate (13), the water chamber (15) is positioned above the medium containing area (14), and the top of the water chamber (15) is connected with a pressure measuring pipe (6) and a March's flask (2).

7. The device of claim 6, wherein the device is adapted to facilitate measurement of an infiltration rate and observation of a wet surface, and further comprises: the partition plate (13) comprises a folding plate (131), a pull rod (132) and a baffle ring (133), one end of the pull rod (132) penetrates out of a small hole formed in the side wall of the infiltration cylinder (1), and the other end of the pull rod is connected with the edge, far away from the small hole, of the folding plate (131); the outer edge of the baffle ring (133) is connected with the inner wall of the infiltration cylinder (1), and the middle part of the baffle ring is provided with an opening; the folding plate (131) is supported by the baffle ring (133) and is arranged at the opening in the middle of the baffle ring (133).

8. The device of claim 1, wherein the device is adapted to facilitate measurement of an infiltration rate and observation of a wet surface, and further comprises: the bottom of the infiltration cylinder (1) is provided with a water outlet (16) with a valve.

9. The device of claim 1, wherein the device is adapted to facilitate measurement of an infiltration rate and observation of a wet surface, and further comprises: support (3) include base (31), vaulting pole (32) and hold elevating platform (33) of mah-jong bottle (2), vaulting pole (32) vertical setting, the bottom is connected on base (31), elevating platform (33) can be followed vaulting pole (32) and slided to it is fixed through the fastener.