CN209858014U - Underground water level measuring device - Google Patents
Underground water level measuring device Download PDFInfo
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- CN209858014U CN209858014U CN201921036965.0U CN201921036965U CN209858014U CN 209858014 U CN209858014 U CN 209858014U CN 201921036965 U CN201921036965 U CN 201921036965U CN 209858014 U CN209858014 U CN 209858014U
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- water level
- floating body
- level gauge
- cavity insulating
- electrode rods
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Abstract
The utility model discloses an underground water level measuring device, which comprises a water level gauge, wherein a probe is arranged at the lower inlet end of the water level gauge, the probe comprises a vertical floating cavity insulating floating body and two electrode bars, a socket is arranged at the top of the cavity insulating floating body, the lower inlet end of the water level gauge is inserted into the socket at the top of the cavity insulating floating body, and the lower inlet end of the water level gauge and the cavity insulating floating body are connected in a sliding and sealing way; the two electrode rods are fixedly connected to the lower end of the water level gauge, are arranged in parallel inside the cavity insulating floating body and are isolated from each other, and the distance between the far sides of the two electrode rods is larger than the maximum span of a top socket of the cavity insulating floating body; a conductive groove is fixed at the bottom of the cavity insulating floating body, and a ring groove opposite to the two electrode rods is arranged on the conductive groove; the two electrode rods are connected in series with a power supply, a switch and a buzzer which are positioned outside the water level pipe through leads. The utility model discloses convenient to use, measurement accuracy, long service life.
Description
Technical Field
The utility model belongs to the technical field of the construction is measured, in particular to groundwater level measuring device.
Background
The effect of groundwater on the strength and deformation of engineered geotechnical bodies and on building stability is of paramount importance. For example, in excavation and support of deep foundation pits of high-rise buildings, the underground water may cause collapse of the pit bottom, gushing of quicksand, displacement and toppling of the support structure, and precipitation to cause settlement of the surrounding ground, thereby causing damage to the buildings. Therefore, the monitoring of underground water is enhanced in the construction process of the deep foundation pit. Groundwater is also an important factor in the development of various undesirable geologic phenomena. In the process of foundation treatment, the change of the underground water level can change the pressure acting above the foundation and also can have important influence on the foundation treatment effect. Therefore, the underground water level needs to be accurately controlled to ensure the safe and smooth construction and normal operation of the project.
At present, the following two methods are mainly used as the methods of the water level measuring instrument. One) water-powered type: two electrodes are arranged in the water level measuring probe, and the probe is provided with a water permeable hole. When the water level is measured, water enters the probe to enable the two electrodes to conduct electricity through the water to form a closed loop, the buzzer connected with the lead buzzes, and the reading of the water level gauge is recorded. The water level gauge has the disadvantages that the buzzer sounds after the probe enters water, and the buzzer sounds after the probe is lifted out of the water because the water in the probe cannot be drained quickly, the inner wall of the probe is stained with water and the like, so that great inconvenience and errors are brought to water level measurement. Two) floating electromagnetic type: the probe is provided with a magnetic floating ring which is sleeved on a short rod with a magnetic relay, when the water level is measured, the floating magnetic ring floats on the water surface under the action of buoyancy, the short rod continuously drops to the position of the magnetic ring, the relay is electrified, a buzzer connected to the upper part rings, and the reading of the water level gauge is recorded. The water level gauge has the disadvantages that the magnetism of the floating magnetic ring gradually decreases along with the lapse of time, so that equipment fails, the service life of the equipment is short, and in addition, the gap between the magnetic ring and the short rod becomes larger along with the increase of the use times and repeated friction, so that the reading error becomes larger and larger, the uncertainty of the error is increased, and further, the measured data is inaccurate.
Disclosure of Invention
The utility model provides an underground water level measuring device for solving the technical problems existing in the known technology, which is convenient to use, accurate in measurement and long in service life.
The utility model discloses a solve the technical scheme that technical problem that exists among the well-known technique took and be: the underground water level measuring device comprises a water level gauge, wherein a probe is arranged at the lower inlet end of the water level gauge, the probe comprises a vertical floating cavity insulating floating body and two electrode rods, a socket is arranged at the top of the cavity insulating floating body, the lower inlet end of the water level gauge is inserted into the socket at the top of the cavity insulating floating body, and the water level gauge and the cavity insulating floating body are in sliding sealing connection; the two electrode rods are fixedly connected to the lower end of the water level gauge, are arranged in parallel inside the cavity insulating floating body and are isolated from each other, and the distance between the far sides of the two electrode rods is larger than the maximum span of a top socket of the cavity insulating floating body; a conductive groove is fixed at the bottom of the cavity insulating floating body, and a ring groove opposite to the two electrode rods is arranged on the conductive groove; the two electrode rods are connected in series with a power supply, a switch and a buzzer which are positioned outside the water level pipe through leads.
The two electrode rods are isolated by adopting an insulator, the insulator is fixedly connected to the lower inlet end of the water level gauge, and the two electrode rods are fixedly connected to two sides of the insulator respectively.
The conductive groove is fixed on the support body, and the support body is fixed at the bottom of the cavity insulating floating body.
The support is made of foam.
The water level ruler is a flexible ruler, and the conducting wires are attached to two sides of the flexible ruler.
The flexible rule is a fiber measuring tape with steel wires attached to two sides.
The utility model has the advantages and positive effects that: the circuit is not contacted with the water body during measurement, so that troubles caused by adhesion and conduction after water intervention can be prevented, the use is convenient, and the measurement precision is high. The probe is sealed by a cavity insulating floating body, and the water level gauge is a fiber tape, so that the corrosion can be prevented, and the service life is long. And the utility model discloses simple structure, low cost, easy maintenance, use cost is low, and the maintenance cost is low.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the present invention in application.
In the figure: 1. a buzzer; 2. a switch; 3. a water level gauge; 4. an insulator; 5. an electrode rod; 6. a conductive slot; 7. a support body; 8. a cavity insulating floating body; 9. a cavity; 10. a power source; 11. a water level pipe.
Detailed Description
For further understanding of the contents, features and effects of the present invention, the following embodiments are exemplified and will be described in detail with reference to the accompanying drawings:
referring to fig. 1 and 2, an underground water level measuring device comprises a water level gauge 3, wherein a probe is arranged at the lower inlet end of the water level gauge 3, the probe comprises a vertical floating cavity insulating floating body 8 and two electrode rods 5, a socket is arranged at the top of the cavity insulating floating body 8, the lower inlet end of the water level gauge 3 is inserted into the socket at the top of the cavity insulating floating body 8, and the water level gauge and the cavity insulating floating body are connected in a sliding and sealing manner; the two electrode rods 5 are fixedly connected to the lower end of the water level gauge 3, are arranged in parallel inside the cavity insulating floating body 8 and are isolated from each other, and the distance between the far sides of the two electrode rods 5 is larger than the maximum span of the top socket of the cavity insulating floating body 8, so that the electrode rods 5 are prevented from separating from the inner cavity of the cavity insulating floating body 8. A conductive groove 6 is fixed at the bottom of the cavity insulating floating body 8, and a ring groove opposite to the two electrode rods 5 is arranged on the conductive groove 6; the two electrode rods 5 are connected with a power supply 10, a switch 2 and a buzzer 1 which are positioned outside the water level pipe 11 in series through conducting wires.
In this embodiment, two the electrode rod 5 adopts insulator 4 to keep apart, insulator 4 rigid coupling is in the lower end of water level 3, two the electrode rod 5 rigid coupling respectively is in the both sides of insulator 4, and insulator 4 can carry out safe and reliable's isolation to two electrode rod 5.
In this embodiment, the conductive groove 6 is fixed on the support 7, and the support 7 is fixed on the bottom of the hollow insulating floating body 8, so that the impact damage of the electrode rod 5 to the conductive groove 6 can be reduced, and the service life of the conductive groove 6 can be prolonged.
In the present embodiment, the support body 7 is made of foam.
In this embodiment, the water level ruler 3 is a tape, and the wires are attached to two sides of the tape, so that the water level ruler is convenient to carry and increase the measurement depth. The following are particularly recommended: the flexible rule is a fiber tape rule with steel wires attached to two sides, the steel wires are connected with the fiber tape rule through rubber sleeves, the flexibility is good, the flexible rule is not easy to break, and corrosion can be avoided; the stretching deformation is not easy to generate, and the measurement is accurate.
The electrode rod 5 and the insulator 4 can move up and down in the cavity insulating floating body 8, but cannot fall off the cavity insulating floating body 8, the cavity insulating floating body 8 is made of insulating materials such as PVC, and the support body 7 and the conductive groove 6 are fixed at the bottom of the cavity insulating floating body 8, so that the cavity insulating floating body can vertically float when contacting a water body.
Referring to fig. 2, when the on-site measurement is performed, the switch 2 is closed, the water level gauge 3 and the probe are lowered into the water level pipe 11, when the cavity insulating floating body 8 contacts with a water body, the falling is gradually stopped under the action of buoyancy, the electrode rods 5 continuously fall inside the cavity insulating floating body 8 until the electrode rods 5 contact with the conductive grooves 6, the two electrode rods 5 are electrified, the buzzer on the upper portion sounds after the electrification, and the water level gauge 3 is read to align with the scales on the upper opening of the water level pipe 11, so that the depth of the groundwater water level can be obtained.
The utility model discloses a theory of operation:
the floating body is in water-touching and floating up under the control of a power supply and a switch, the electrode bar is communicated with the conductive groove in a contact way to form a closed loop, the buzzer connected near the power supply starts to sound, the electrode bar is separated from the conductive groove after the water level gauge is lifted up, the buzzer stops sounding and is slowly put down again, and the reading of the water level gauge, namely the water level depth, is recorded at the moment when the sounding happens. And combining the elevation of the pipe orifice of the water level pipe to obtain water level elevation data.
Although the preferred embodiments of the present invention have been described with reference to the accompanying drawings, the present invention is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and scope of the present invention, which is within the scope of the present invention.
Claims (6)
1. The underground water level measuring device comprises a water level gauge and is characterized in that a probe is arranged at the lower inlet end of the water level gauge, the probe comprises a vertical floating cavity insulating floating body and two electrode rods, a socket is arranged at the top of the cavity insulating floating body, the lower inlet end of the water level gauge is inserted into the socket at the top of the cavity insulating floating body, and the water level gauge and the cavity insulating floating body are in sliding sealing connection;
the two electrode rods are fixedly connected to the lower end of the water level gauge, are arranged in parallel inside the cavity insulating floating body and are isolated from each other, and the distance between the far sides of the two electrode rods is larger than the maximum span of a top socket of the cavity insulating floating body;
a conductive groove is fixed at the bottom of the cavity insulating floating body, and a ring groove opposite to the two electrode rods is arranged on the conductive groove;
the two electrode rods are connected in series with a power supply, a switch and a buzzer which are positioned outside the water level pipe through leads.
2. The groundwater level measuring device according to claim 1, wherein the two electrode rods are isolated by an insulator, the insulator is fixedly connected to the lower inlet end of the water level gauge, and the two electrode rods are fixedly connected to two sides of the insulator respectively.
3. The apparatus of claim 1, wherein the conductive tank is fixed to a support body fixed to a bottom of the hollow insulating float.
4. The apparatus of claim 3, wherein the support body is made of foam.
5. The ground water level measuring device according to claim 1, wherein the water level gauge is a flexible rule, and the wire is attached to both sides of the flexible rule.
6. The groundwater level measuring device as claimed in claim 5, wherein the tape is a fiber tape with steel wires attached to both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921036965.0U CN209858014U (en) | 2019-07-04 | 2019-07-04 | Underground water level measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921036965.0U CN209858014U (en) | 2019-07-04 | 2019-07-04 | Underground water level measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209858014U true CN209858014U (en) | 2019-12-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921036965.0U Active CN209858014U (en) | 2019-07-04 | 2019-07-04 | Underground water level measuring device |
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| CN (1) | CN209858014U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110196089A (en) * | 2019-07-04 | 2019-09-03 | 交通运输部天津水运工程科学研究所 | A kind of underground water level measurement device |
-
2019
- 2019-07-04 CN CN201921036965.0U patent/CN209858014U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110196089A (en) * | 2019-07-04 | 2019-09-03 | 交通运输部天津水运工程科学研究所 | A kind of underground water level measurement device |
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