CN114813501A - Intelligent permeability coefficient tester - Google Patents
Intelligent permeability coefficient tester Download PDFInfo
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- CN114813501A CN114813501A CN202210303937.0A CN202210303937A CN114813501A CN 114813501 A CN114813501 A CN 114813501A CN 202210303937 A CN202210303937 A CN 202210303937A CN 114813501 A CN114813501 A CN 114813501A
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- water
- distributor
- flow
- pipe
- permeability coefficient
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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
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/082—Investigating permeability by forcing a fluid through a sample
- G01N15/0826—Investigating permeability by forcing a fluid through a sample and measuring fluid flow rate, i.e. permeation rate or pressure change
Abstract
The invention discloses an intelligent permeability coefficient tester, which comprises a protective shell, wherein a water storage tank is connected to the bottom end inside the protective shell, a water seepage test box is arranged on one side of the top of the water storage tank, a water seepage test material layer is arranged in the middle inside the water seepage test box, the water seepage test material layer divides the water seepage test box into a constant water pressure height measurement cavity and a water seepage cavity, the liquid level height in the constant water pressure height measurement cavity is sensed by a sensor through the liquid level, a control screen controls a stepping motor to rotate, the stepping motor rotates to drive a coupler to rotate, the coupler rotates to drive a rotating blade to rotate, and water inside a flow control water valve is conveyed. The delivered water is equally divided by the water distributor after passing through the rotating water pipe, so that the flow rate of the single pipe is measured, namely the permeability coefficient. The tester has the characteristics of full-automatic operation, small measurement error, high precision and the like.
Description
Technical Field
The invention relates to the technical field of coefficient testing, in particular to an intelligent permeability coefficient tester.
Background
The permeability coefficient is an empirical coefficient in a calculation formula of the permeability speed of the porous medium and is also a parameter for representing the water permeability of soil or gap rocks. The general osmosis process obeys Darcy's law, i.e. the osmosis speed is linear to the hydraulic slope drop of the osmosis, and the specific number k is the permeability coefficient, in meters/(24 hours) or centimeters per second.
The existing permeability coefficient testing methods have certain defects, and the current technical situation mainly comprises three types; the one is a measuring cylinder stopwatch mode, which has a certain height of constant water pressure determination permeability coefficient according to the national standard measurement requirement, the device has simple structure, the constant water pressure height of the liquid level is controlled by arranging an overflow port on the side surface of the transparent barrel, the control is simple, the measurement adopts a measuring cylinder measurement mode, the time adopts an artificial stopwatch mode, the measurement is complex, and errors exist in the water level and the measurement. The second is to control the constant water pressure height of the liquid level, which is absorbed outside the measuring cylinder by arranging a non-contact inductive switch, but the method is unstable in absorption, the constant water pressure is not easy to be constant, the metering is directly realized by adopting a flowmeter, and the measuring error is larger. Although the time adopts automatic control, the form of a manual stopwatch is overcome, and intelligent control is realized, the defects of large water level and metering error exist. The third is that the electronic scale is used for weighing, but the seepage water drop penetrating through the tested material has the impact of gravity, so that the reading of the electronic scale is unstable under the impact condition, and the error of the tested permeability coefficient is large.
Disclosure of Invention
The present invention provides an intelligent permeability coefficient tester, which is used for solving the problems of complicated measurement and large errors of water level, measurement, etc. in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
an intelligent permeability coefficient tester comprises a protective shell, wherein a water storage tank is connected to the bottom end inside the protective shell, a water seepage test box is arranged on one side of the top of the water storage tank, a water seepage test material layer is arranged in the middle of the inside of the water seepage test box, the water seepage test material layer divides the water seepage test box into a constant water pressure height measurement cavity and a water seepage cavity, a contact switch is arranged on one side of the inside of the constant water pressure height measurement cavity, a measurement single pipe is arranged on the other side of the inside of the constant water pressure height measurement cavity, one end of the measurement single pipe is in through connection with one side of a water distributor, a water distribution shell is arranged on the outer side of the water distributor, and a rotary water pipe is arranged at the top of the water distributor;
the top of the water quantity distributor is communicated with one end of a measuring water supply pipe, and the other end of the measuring water supply pipe is sequentially provided with a flowmeter and a flow control water valve; the bottom end of the flow control water valve is fixedly connected with a water outlet of a water supply pump through a conveying pipe, and a water inlet of the water supply pump is communicated with the inside of the water storage tank through a conveying pipeline;
the central top of the water quantity distributor is fixedly connected with a water distributor rotating motor; the top of the water distributor rotating motor is connected with a rotating water pipe;
the water distributor is divided into N fan-shaped areas with equal size, and water passing through the flowmeter is equally divided into N equal parts by the water distributor after passing through the rotary water pipe.
Furthermore, one side of the top of the water quantity distributor is also provided with a high-precision flow sensor, and one end of the measuring water supply pipe is connected to the center of the rotary water pipe.
Furthermore, the bottom end of the water quantity distributor is fixedly connected with the top of the water return pump through a conveying water pipe, and the bottom end of the water return pump is communicated with the inside of the water storage tank through the conveying water pipe.
Furthermore, the inside of control flow water valve is provided with the rotating vane, one side of rotating vane is provided with the shaft coupling, the one end of shaft coupling and step motor's transmission end fixed connection, one side of step motor and one side fixed connection of protective housing.
Further, one side of the protective shell is provided with a control screen.
Furthermore, the contact switch is electrically connected with one side of the control screen through a contact switch signal wire, the water supply pump is electrically connected with one side of the control screen through a water supply pump wire, and the control flow water valve is electrically connected with the control screen through a flow adjusting signal wire.
Further, the control flow valve is a control flow needle valve.
When the water level is lower than the contact switch, the contact switch controls the stepping motor to drive the flow control water valve to rotate towards the opening direction through the contact switch signal wire and the control screen and the coupler, the flow is gradually increased, and the water level in the constant water pressure height measuring cavity gradually rises; when the water level reaches the contact switch, the contact switch passes through a contact switch signal line, the control screen controls the stepping motor to drive the flow control water valve to rotate towards the direction of opening and closing the flow control water valve through the coupler, the water level begins to drop gradually, therefore, the water level can be kept at a constant water pressure height H, the flow of the single measuring tube at the moment is the size of the permeability coefficient, the water flowing out of the single measuring tube passes through 1/N of the water flow distributor N which is divided equally, the error of the total flow of the flowmeter is reduced by 1/N, the measuring error is smaller, and the precision is improved.
Compared with the prior art, the invention has the beneficial effects that:
1) through the invariable water pressure height of liquid level and the liquid level sensing of sensor, make control panel control step motor rotate, step motor rotates and drives the shaft coupling and rotate, the shaft coupling rotates and drives the rotary vane and rotates, make the inside water of control flow water valve carry, through the slew velocity control flow who changes step motor, the size of the transport control flow through the working pump simultaneously, directly pass through high accuracy level sensor, control step motor carries out the horizontal rotation, thereby the rotary vane rotates the flow of control water, keep the liquid level invariable at the water pressure height, make the osmotic coefficient precision of test high.
2) The rotating speed is controlled to the stepping motor through the control screen, the water quantity distributor is matched with the water supply pump to distribute the conveyed water, the conveyed water is input into the constant water pressure height measurement cavity through the test water supply pipe, the liquid level contact switch is convenient, the experiment is convenient to normally run, and the permeability coefficient error of the test is reduced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the present invention;
FIG. 3 is a schematic view of a water storage tank according to the present invention;
fig. 4 is a schematic view of the water dispenser of the present invention.
In the figure: 1. a protective housing; 101. a water storage tank; 102. a water seepage test box; 103. a water seepage test material layer; 1031. a constant water pressure height measurement chamber; 1032. a water seepage cavity; 104. a contact switch; 105. measuring a single tube; 106. a water amount distributor; 2. a water volume distribution housing; 201. a water separator rotating motor; 202. a high precision flow sensor; 203. measuring a water supply pipe; 204. a flow meter; 205. a flow control water valve; 2051. a water supply pump; 2052. rotating the leaf; 2053. a coupling; 2054. a stepping motor; 3. a water return pump; 4. a control screen; 5. a touch switch signal line; 501. a water supply pump line; 502. a flow rate adjustment signal line; 6. the water pipe 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, the present invention provides a technical solution: the utility model provides an intelligence osmotic coefficient tester, including protection casing 1, the inside bottom of protection casing 1 is connected with aqua storage tank 101, top one side of aqua storage tank 101 is provided with infiltration test box 102, there is infiltration test material layer 103 in the inside middle part of infiltration test box 102, infiltration test material layer 103 separates infiltration test box 102 into invariable water pressure height measurement chamber 1031 and infiltration chamber 1032, invariable water pressure height measurement chamber 1031's inside one side is provided with contact switch 104, invariable water pressure height measurement chamber 1031's inside opposite side is provided with measures single tube 105, measure one end of single tube 105 and one side through connection of water yield distributor 106, the outside of water yield distributor 106 is provided with water yield distribution shell 2, the top of water yield distributor 106 is provided with rotatory water pipe 6.
The top of the water distributor 106 is connected to one end of the measurement water supply pipe 203, and the other end of the measurement water supply pipe 203 is provided with a flow meter 204 and a flow control water valve 205 in sequence. The bottom end of the flow control water valve 205 is fixedly connected with the water outlet of the water supply pump 2051 through a delivery pipe, and the water inlet of the water supply pump 2051 is communicated with the inside of the water storage tank 101 through a delivery pipe. A water separator rotating motor 201 is fixedly connected to the central top of the water amount distributor 106. The top of the water knockout drum rotating motor 201 is connected with the rotating water pipe 6. The bottom end of the water amount distributor 106 is fixedly connected with the top of the water return pump 3 through a delivery pipe, and the bottom end of the water return pump 3 is communicated with the inside of the water storage tank 101 through the delivery pipe. A rotating blade 2052 is arranged inside the flow control water valve 205, a coupler 2053 is arranged on one side of the rotating blade 2052, one end of the coupler 2053 is fixedly connected with a transmission end of a stepping motor 2054, and one side of the stepping motor 2054 is fixedly connected with one side of the protective shell 1. The water distributor 106 is also provided with a high-precision flow sensor 202 on the top side, and one end of a measuring water supply pipe 203 is connected to the center of the rotating water pipe 6. The contact switch 104 is electrically connected to one side of the control panel 4 through a contact switch signal line 5, the water supply pump 2051 is electrically connected to one side of the control panel 4 through a water supply pump line 501, and the controlled flow water valve 205 is electrically connected to the control panel 4 through a flow rate adjustment signal line 502.
In this embodiment, a control screen 4 is disposed on one side of the protective housing 1, and the control flow valve 205 is specifically a control flow needle valve.
The water distributor 106 is divided into N equal sector areas, and the water passing through the flow meter 204 is divided into N equal parts by the water distributor 106 after passing through the rotary water pipe 6. If the original flow is W, a water flow is used for measurement, the obtained reading of the flowmeter is divided by N, the numerical value of the permeability coefficient is W/N, wherein N is 10, and the final value of the permeability coefficient is 0.1W.
During the specific use, be convenient for collect the inside moisture that oozes of infiltration test box 102 through setting up aqua storage tank 101, use is oozed moisture through setting up infiltration test material layer 103, invariable water pressure height measurement chamber 1031 uses the infiltration experiment simultaneously, during the inside moisture contact switch 104 of invariable water pressure height measurement chamber 1031, through high accuracy flow sensor 202 with signal transmission to control panel 4, control the rotational speed through control panel 4 to step motor 2054, the water distributor 106 cooperation working shaft 2051 through the setting distributes the moisture of carrying, it inputs to invariable water pressure height measurement chamber 1031 inside to carry moisture through measuring delivery pipe 203, the liquid level contact switch 104 of being convenient for, the normal clear of the experiment of being convenient for.
The working principle is as follows: when the water level is lower than the contact switch 104, the contact switch 104 controls the stepping motor 2054 through the control panel 4 via the contact switch signal line 5 to drive the flow control water valve 205 to rotate in the opening direction through the coupling 2053, the flow rate gradually increases, and the water level in the constant water pressure height measurement chamber 1031 gradually rises. When the water level reaches the contact switch 104, the contact switch 104 drives the flow control water valve 205 to rotate towards the opening direction by a contact switch signal line 5 and a control screen 4 controls a stepping motor 2054 through a coupler 2053, the water level starts to gradually descend, so that the water level can be kept at a constant water pressure height H, the flow rate flowing out from the single measuring tube 105 is the magnitude of the permeability coefficient, and because the water flowing out from the single measuring tube 105 passes through 1/N of the water flow distributor 106N and is divided equally, the error of the total flow rate of the flow meter 204 is reduced by 1/N, the measuring error is smaller, and the precision is improved.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes, modifications, equivalents, and improvements may be made without departing from the spirit and scope of the invention.
Claims (8)
1. The utility model provides an intelligence osmotic coefficient tester, includes protection casing (1), its characterized in that, the inside bottom of protection casing (1) is connected with aqua storage tank (101), top one side of aqua storage tank (101) is provided with infiltration test box (102), there is infiltration test material layer (103) at the inside middle part of infiltration test box (102), infiltration test material layer (103) will seep water test box (102) and separate into invariable water pressure height measurement chamber (1031) and infiltration chamber (1032), the inside one side of invariable water pressure height measurement chamber (1031) is provided with contact switch (104), the inside opposite side of invariable water pressure height measurement chamber (1031) is provided with measures single tube (105), measure one end and one side through connection of water yield distributor (106) of single tube (105), the outside of water yield distributor (106) is provided with water yield distribution shell (2), the top of the water quantity distributor (106) is provided with a rotary water pipe (6);
the top of the water quantity distributor (106) is communicated with one end of a measuring water supply pipe (203), and the other end of the measuring water supply pipe (203) is sequentially provided with a flowmeter (204) and a flow control water valve (205); the bottom end of the flow control water valve (205) is fixedly connected with a water outlet of a water supply pump (2051) through a conveying pipe, and a water inlet of the water supply pump (2051) is communicated with the inside of the water storage tank (101) through a conveying pipeline;
the central top of the water quantity distributor (106) is fixedly connected with a water distributor rotating motor (201); the top of the water distributor rotating motor (201) is connected with a rotating water pipe (6);
the water distributor (106) is divided into N fan-shaped areas with equal size, and water passing through the flowmeter (204) passes through the rotary water pipe (6) and then is uniformly divided into N equal parts by the water distributor (106).
2. The intelligent permeability coefficient tester of claim 1, wherein: and one side of the top of the water quantity distributor (106) is also provided with a high-precision flow sensor (202), and one end of the measuring water supply pipe (203) is connected to the center of the rotary water pipe (6).
3. The intelligent permeability coefficient tester of claim 2, wherein: the bottom of the water quantity distributor (106) is fixedly connected with the top of the water return pump (3) through a conveying water pipe, and the bottom of the water return pump (3) is communicated with the inside of the water storage tank (101) through a conveying water pipe.
4. The intelligent permeability coefficient tester of claim 3, wherein: the inside of flow control water valve (205) is provided with rotating vane (2052), one side of rotating vane (2052) is provided with shaft coupling (2053), the one end of shaft coupling (2053) and the transmission end fixed connection of step motor (2054), one side of step motor (2054) and one side fixed connection of protective housing (1).
5. The intelligent permeability coefficient tester of claim 4, wherein: one side of the protective shell (1) is provided with a control screen (4).
6. The intelligent permeability coefficient tester of claim 5, wherein: the water supply control device is characterized in that the contact switch (104) is electrically connected with one side of the control screen (4) through a contact switch signal line (5), the water supply pump (2051) is electrically connected with one side of the control screen (4) through a water supply pump line (501), and the control flow water valve (205) is electrically connected with the control screen (4) through a flow adjusting signal line (502).
7. The intelligent permeability coefficient tester of claim 6, wherein: the control flow valve (205) is a control flow needle valve.
8. The intelligent permeability coefficient tester of claim 7, wherein: when the water level is lower than the contact switch (104), the contact switch (104) controls the stepping motor (2054) to drive the flow control water valve (205) to rotate towards the opening direction through the control screen (4) and the shaft coupling (2053) through the contact switch signal wire (5), the flow is gradually increased, and the water level in the constant water pressure height measuring cavity (1031) is gradually increased; when the water level reaches the contact switch (104), the contact switch (104) drives the flow control water valve (205) to rotate towards the small opening direction through a contact switch signal line (5) and a control screen (4) to control the stepping motor (2054) to drive the flow control water valve (205) to rotate towards the small opening direction through the coupler (2053), and the water level begins to gradually descend, so that the water level can be kept at the constant water pressure height H, the flow flowing out of the single measuring pipe (105) is the size of the permeability coefficient, the water flowing out of the single measuring pipe (105) passes through 1/N of the water distributor (106) N which is divided equally, the error of the total flow of the flowmeter (204) is reduced by 1/N, therefore, the measuring error is smaller, and the precision is increased.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210303937.0A CN114813501A (en) | 2022-03-25 | 2022-03-25 | Intelligent permeability coefficient tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210303937.0A CN114813501A (en) | 2022-03-25 | 2022-03-25 | Intelligent permeability coefficient tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114813501A true CN114813501A (en) | 2022-07-29 |
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ID=82530836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210303937.0A Pending CN114813501A (en) | 2022-03-25 | 2022-03-25 | Intelligent permeability coefficient tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114813501A (en) |
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2022
- 2022-03-25 CN CN202210303937.0A patent/CN114813501A/en active Pending
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