CN211292485U - Variable water head permeability coefficient measuring device - Google Patents
Variable water head permeability coefficient measuring device Download PDFInfo
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- CN211292485U CN211292485U CN201922310250.6U CN201922310250U CN211292485U CN 211292485 U CN211292485 U CN 211292485U CN 201922310250 U CN201922310250 U CN 201922310250U CN 211292485 U CN211292485 U CN 211292485U
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Abstract
The utility model discloses a variable water head permeability coefficient measuring device, including first solenoid valve, choke valve, inlet tube, second solenoid valve, manual ball valve, manifold, water supply bottle, photoelectric switch, measuring machine, variable water head pipe, scale plate, third solenoid valve and infiltration container. The utility model also discloses a variable head permeability coefficient's measuring method, including following step: the method comprises the following steps: loading a sample; step two: injecting water into the infiltration container; step three: adjusting the position of the photoelectric switch; step four: water is injected through a water head changing pipe; step five: starting a test; step six: repeating the fourth step and the fifth step, and recording the excitation time of the photoelectric switch by the measuring machine; step seven: and (6) displaying the data. The utility model discloses can realize variable head permeability test, gather test data through the sensor to carry out automatic solution to the osmotic coefficient, reduce the cost of labor, ensure the rate of accuracy.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a technical field of penetration test, especially variable head permeability coefficient measuring device and measuring method's technical field.
[ background of the invention ]
The variable head permeability test is a widely applied field test method for measuring the permeability coefficient of a soil body in a drill hole. During the test, the test head gradually decreased and eventually approached zero. And calculating the permeability coefficient of the test soil layer according to the relation between the falling speed of the test water head in the sleeve and the time. The method is mainly suitable for silt, sandy soil and cohesive soil with small permeability coefficient above or below the underground water level.
In the prior art, data such as the starting time, the starting water head, the ending time, the ending water head and the like need manual calculation, the labor cost is high, and mistakes are easy to make. Therefore, a device capable of more intelligently and automatically measuring the permeability coefficient of the variable water head and a corresponding measuring method are needed.
[ Utility model ] content
The utility model aims at solving the problem among the prior art, provide a variable head permeability coefficient measuring device and measuring method thereof, can realize variable head permeability test, gather test data through the sensor to carry out automatic solution to the permeability coefficient, reduce the cost of labor, ensure the rate of accuracy.
In order to achieve the purpose, the utility model provides a variable water head permeability coefficient measuring device, including first solenoid valve, choke valve, inlet tube, second solenoid valve, manual ball valve, manifold, water supply bottle, photoelectric switch, measuring machine, variable water head pipe, scale plate, third solenoid valve and infiltration container, the inlet tube is connected to the water supply bottle below, and first solenoid valve, choke valve are equipped with from last to bottom in the upper end of the inlet tube, and the inlet tube lower extreme is equipped with the second solenoid valve, and the inlet tube lower extreme passes through the manifold and connects the variable water head pipe, and variable water head pipe lower extreme is connected with the infiltration container, and the delivery port department of infiltration container is equipped with temperature sensor; a manual ball valve is arranged on the manifold; a manifold in the middle of the variable water head pipe is provided with a third electromagnetic valve; the photoelectric switch is matched with the outer part of the upper end of the water changing head pipe, and the photoelectric switch and the water changing head pipe are fixed on the scale plate; the photoelectric switch is electrically connected with a measuring machine, and the measuring machine is electrically connected with the first electromagnetic valve, the throttle valve, the second electromagnetic valve, the third electromagnetic valve and the temperature sensor.
Preferably, the water supply bottle is externally connected with a water source through a water source pipe, and the water source is pure water; a water outlet is arranged below the water supply bottle, and a water inlet pipe is connected with the water outlet of the water supply bottle in a threaded manner.
Preferably, the photoelectric switches are groove-type photoelectric switches, the photoelectric switches are T-shaped structures, the number of the photoelectric switches is 4, and variable water head pipes are matched in the grooves of the photoelectric switches.
Preferably, a magnet is adhered to the back of the photoelectric switch, and the photoelectric switch is magnetically attracted to the scale plate.
Preferably, the photoelectric switch is electrically connected with a measuring machine through a lead; the measuring machine comprises a processor, a display screen, a key and a timer, wherein the processor is a single chip processor.
Preferably, the height of the water head changing pipe is less than 2m, and the bottom of the water head changing pipe is connected with a water inlet of the infiltration container.
Preferably, the scale plate is provided with scale grooves which are of equidistant square notch structures.
The utility model also provides a variable head permeability coefficient's measuring method, including following step:
the method comprises the following steps: loading a sample: after the cutting ring with the sample is arranged in a permeation container, the cutting ring is screwed tightly by a nut to ensure that the cutting ring is sealed to be watertight and airtight; the height of the sample is L cm, and the cross-sectional area of the sample is A cm2；
Step two: water injection of the infiltration container: connecting a water inlet of the infiltration container with a water head changing pipe, filling water into a water inlet pipe through pure water in a water supply bottle, infiltrating the water into the infiltration container, opening an exhaust valve of the infiltration container, discharging air at the bottom of the infiltration container until no bubbles exist in overflowing water, closing a drain valve of the infiltration container, flatly placing the infiltration container, and closing a manual ball valve; the cross section area of the variable water head pipe is a cm2；
Step three: adjusting the position of the photoelectric switch: according to the scale groove on the scale plate, the vertical position of the photoelectric switches is adjusted, the number of the photoelectric switches is 4, and the heights of the photoelectric switches are sequentiallyh1cm、h2cm、h3cm、h4cm; inputting height data of an optoelectronic switch through a key on a measuring machine;
step four: water injection by a variable water head pipe: the first electromagnetic valve is opened, the water supply bottle supplies water, the liquid level on the water changing head pipe rises, the photoelectric switch positioned at the uppermost end of the water changing head pipe is triggered, and the first electromagnetic valve is closed; the measuring machine records the time t that the uppermost photoelectric switch is excited1s；
Step five: starting a test: the water level in the variable water head pipe is reduced, the photoelectric switches are sequentially excited, and the measuring machine records the time t that the photoelectric switches are sequentially excited2s、t3s、t4s, recording the temperature of the water outlet of the infiltration container as F by the measuring machine;
step six: repeating the fourth step and the fifth step, and recording the time t of the photoelectric switches which are sequentially excited by the measuring machine1's、t2's、t3's、t4's；
Step seven: and (3) displaying data: the measuring machine displays the permeability coefficient kTAnd the temperature of the water outlet.
Preferably, the permeability coefficient k in the step sevenTBy the formula
The utility model has the advantages that: the utility model discloses can realize variable head permeability test, gather test data through the sensor to carry out automatic solution to the osmotic coefficient, reduce the cost of labor, ensure the rate of accuracy.
The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.
[ description of the drawings ]
Fig. 1 is a schematic structural diagram of the variable head permeability coefficient measuring device and the measuring method thereof of the present invention.
In the figure: 1-water receiving source pipe, 2-water outlet, 3-first electromagnetic valve, 4-throttle valve, 5-water inlet pipe, 6-second electromagnetic valve, 7-manual ball valve, 8-manifold, 9-water supply bottle, 10-photoelectric switch, 11-lead, 12-measuring machine, 13-variable water head pipe, 14-scale plate, 15-third electromagnetic valve and 16-infiltration container.
[ detailed description ] embodiments
Referring to fig. 1, the utility model discloses, including first solenoid valve 3, choke valve 4, inlet tube 5, second solenoid valve 6, manual ball valve 7, manifold 8, supply bottle 9, photoelectric switch 10, measuring machine 12, change tap pipe 13, scale plate 14, third solenoid valve 15 and infiltration container 16, supply bottle 9 below is connected with inlet tube 5, and inlet tube 5 upper end is from last to being equipped with first solenoid valve 3, choke valve 4 down, and inlet tube 5 lower extreme is equipped with second solenoid valve 6, and inlet tube 5 lower extreme passes through manifold 8 and connects and become tap pipe 13, and change tap pipe 13 lower extreme and be connected with infiltration container 16, and the delivery port department of infiltration container 16 is equipped with temperature sensor; a manual ball valve 7 is arranged on the manifold 8; a manifold in the middle of the water changing head pipe 13 is provided with a third electromagnetic valve 15; the photoelectric switch 10 is matched with the outer part of the upper end of the water changing head pipe 13, and the photoelectric switch 10 and the water changing head pipe 13 are both fixed on the scale plate 14; the photoelectric switch 10 is electrically connected with a measuring machine 12, and the measuring machine 12 is electrically connected with the first electromagnetic valve 3, the throttle valve 4, the second electromagnetic valve 6, the third electromagnetic valve 15 and the temperature sensor.
Specifically, the water supply bottle 9 is externally connected with a water source through a water source pipe 1, and the water source is pure water; a water outlet 2 is arranged below the water supply bottle 9, and a water inlet pipe 5 is connected with the water outlet 2 of the water supply bottle 9 in a threaded manner.
Specifically, the photoelectric switches 10 are groove-type photoelectric switches, the photoelectric switches 10 are in a T-shaped structure, the number of the photoelectric switches 10 is 4, and the water changing head pipes 13 are matched in the grooves of the photoelectric switches 10.
Specifically, a magnet is adhered to the back of the photoelectric switch 10, and the photoelectric switch 10 is magnetically attracted to the scale plate 15.
Specifically, the photoelectric switch 10 is electrically connected with a measuring machine 12 through a lead 11; the measuring machine 12 comprises a processor, a display screen, a key and a timer, wherein the processor is a single chip processor.
Specifically, the height of the water head changing pipe 13 is less than 2m, and the bottom of the water head changing pipe 13 is connected with a water inlet of the infiltration container 16.
Specifically, the scale plate 14 is provided with scale grooves, and the scale grooves are of equidistant square groove opening structures.
The utility model discloses still include following step:
the method comprises the following steps: loading a sample: after the cutting ring with the sample is arranged in the infiltration container 16, the cutting ring is screwed tightly by a nut to ensure that the cutting ring is sealed to be watertight and airtight; the height of the sample is L cm, and the cross-sectional area of the sample is A cm2；
Step two: water injection into the infiltration vessel 16: connecting a water inlet of the infiltration container 16 with a water head changing pipe 13, filling water into the water inlet pipe 5 through pure water in the water supply bottle 9, infiltrating the infiltration container 16, opening an exhaust valve of the infiltration container 16, exhausting air at the bottom of the infiltration container until no bubble exists in overflowing water, closing a drain valve of the infiltration container 16, flatly placing the infiltration container 16, and closing the manual ball valve 7; the cross section area of the variable water head pipe 13 is a cm2；
Step three: adjusting the position of the photoelectric switch 10: according to the scale groove on the scale plate 15, the vertical position of the photoelectric switches 10 is adjusted, the number of the photoelectric switches 10 is 4, and the heights of the photoelectric switches 10 are h in sequence1cm、h2cm、h3cm、h4cm; inputting height data of the optoelectronic switch 10 by a key on the measuring machine 12;
step four: water is injected through a water head changing pipe 13: the first electromagnetic valve 3 is opened, the water supply bottle 9 supplies water, the liquid level on the water changing head pipe 13 rises, the photoelectric switch 10 positioned at the uppermost end of the water changing head pipe 13 is triggered, and the first electromagnetic valve 3 is closed; the measuring machine 12 records the time t for which the uppermost photoelectric switch 10 is activated1s；
Step five: starting a test: the water level in the variable head pipe 13 drops, the photoelectric switches 10 are sequentially activated, and the measuring machine 12 records the time t that the photoelectric switches 10 are sequentially activated2s、t3s、t4s, the measuring machine 12 records the water outlet temperature of the infiltration container 16 as F;
step six: repeating the fourth step and the fifth step, and recording the time t of the sequential excitation of the photoelectric switches 10 by the measuring machine 121's、t2's、t3's、t4's；
Step seven: and (3) displaying data: the measuring machine 12 displays the permeability coefficient kTAnd the temperature of the water outlet.
Specifically, the permeability coefficient k in the step sevenTBy the formula
The utility model discloses the working process:
the utility model relates to a variable head permeability coefficient measuring device and measuring method explain in the course of the work, combine the figure.
The infiltration container 16 structure is similar with prior art, the utility model discloses a focus is on combining the cell type photoelectric switch that can adjust according to the scale, carries out the automatic measure to the osmotic coefficient. The device according to the figures performs the automatic measurement with the above steps. It should be noted that, in the step one, the following steps are performed: carrying out air extraction saturation on a sample which is difficult to permeate water according to the specification; the saturated sample and the sample which is easy to permeate water are directly saturated by the water head of the water head changing device. The utility model discloses only provide a permeability coefficient calculation method according to this device, in addition, can carry out the measurement of many times, calculate to the measured data error, reject error data; meanwhile, the permeability coefficient at the standard temperature can be calculated by combining the temperature data.
The utility model discloses, can realize variable head permeability test, gather test data through the sensor to carry out automatic solution to the osmotic coefficient, reduce the cost of labor, ensure the rate of accuracy.
The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.
Claims (7)
1. The utility model provides a variable head permeability coefficient measuring device which characterized in that: the automatic water supply device comprises a first electromagnetic valve (3), a throttle valve (4), a water inlet pipe (5), a second electromagnetic valve (6), a manual ball valve (7), a manifold (8), a water supply bottle (9), a photoelectric switch (10), a measuring machine (12), a water change head pipe (13), a scale plate (14), a third electromagnetic valve (15) and a penetration container (16), wherein the water inlet pipe (5) is connected below the water supply bottle (9), the first electromagnetic valve (3) and the throttle valve (4) are arranged at the upper end of the water inlet pipe (5) from top to bottom, the second electromagnetic valve (6) is arranged at the lower end of the water inlet pipe (5), the lower end of the water inlet pipe (5) is connected with the water change head pipe (13) through the manifold (8), the penetration container (16) is connected at the lower end of the water change; a manual ball valve (7) is arranged on the manifold (8); a manifold in the middle of the water changing head pipe (13) is provided with a third electromagnetic valve (15); the photoelectric switch (10) is matched with the outer part of the upper end of the water changing head pipe (13), and the photoelectric switch (10) and the water changing head pipe (13) are fixed on the scale plate (14); the photoelectric switch (10) is electrically connected with a measuring machine (12), and the measuring machine (12) is electrically connected with the first electromagnetic valve (3), the throttle valve (4), the second electromagnetic valve (6), the third electromagnetic valve (15) and the temperature sensor.
2. A variable head permeability coefficient measuring device as defined in claim 1, wherein: the water supply bottle (9) is externally connected with a water source through a water source receiving pipe (1), and the water source is pure water; a water outlet (2) is arranged below the water supply bottle (9), and a water inlet pipe (5) is connected with the water outlet (2) of the water supply bottle (9) in a threaded manner.
3. A variable head permeability coefficient measuring device as defined in claim 1, wherein: the photoelectric switches (10) are groove-type photoelectric switches, the photoelectric switches (10) are in a T-shaped structure, the number of the photoelectric switches (10) is 4, and variable water head pipes (13) are matched in grooves of the photoelectric switches (10).
4. A variable head permeability coefficient measuring device as defined in claim 1, wherein: the back of the photoelectric switch (10) is adhered with a magnet, and the photoelectric switch (10) is magnetically attracted to the scale plate (14).
5. A variable head permeability coefficient measuring device as defined in claim 1, wherein: the photoelectric switch (10) is electrically connected with a measuring machine (12) through a lead (11); the measuring machine (12) comprises a processor, a display screen, a key and a timer, wherein the processor is a single chip processor.
6. A variable head permeability coefficient measuring device as defined in claim 1, wherein: the water head height of the water head changing pipe (13) is less than 2m, and the bottom of the water head changing pipe (13) is connected with a water inlet of the infiltration container (16).
7. A variable head permeability coefficient measuring device as defined in claim 1, wherein: the scale plate (14) is provided with scale grooves which are of equidistant square groove opening structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922310250.6U CN211292485U (en) | 2019-12-20 | 2019-12-20 | Variable water head permeability coefficient measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922310250.6U CN211292485U (en) | 2019-12-20 | 2019-12-20 | Variable water head permeability coefficient measuring device |
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| Publication Number | Publication Date |
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| CN211292485U true CN211292485U (en) | 2020-08-18 |
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| CN201922310250.6U Active CN211292485U (en) | 2019-12-20 | 2019-12-20 | Variable water head permeability coefficient measuring device |
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| CN (1) | CN211292485U (en) |
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