CN210946921U - Reservoir dam foundation seepage pressure monitor - Google Patents
Reservoir dam foundation seepage pressure monitor Download PDFInfo
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- CN210946921U CN210946921U CN201921751883.4U CN201921751883U CN210946921U CN 210946921 U CN210946921 U CN 210946921U CN 201921751883 U CN201921751883 U CN 201921751883U CN 210946921 U CN210946921 U CN 210946921U
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- sensing
- seepage pressure
- sensing shell
- seepage
- shell
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Abstract
The utility model relates to a reservoir dam foundation seepage pressure monitor, which comprises a detection component for detecting seepage pressure, a sensing component for transmitting seepage pressure and a sensing shell for accommodating the detection component and the sensing component, wherein a cable is laid on one side of the sensing shell in a penetrating way; the detection assembly comprises a steel string arranged in the sensing shell, a magnet arranged in the sensing shell and covering the steel string in a surrounding mode, and a signal amplifier connected with the magnet through a lead. This reservoir dam foundation seepage pressure monitor uses through the cooperation of string wire, magnet, signal amplifier, elastic block, sliding base and the briquetting of executing, compares traditional ordinary camera or relevant monitoring facilities and monitors the reservoir seepage flow, and this application technical scheme then can be more effective, scientific carry out seepage flow pressure monitoring to the reservoir dam, can not influence the monitoring accuracy of seepage flow pressure because of ballast, gravel and sand earth.
Description
Technical Field
The utility model relates to a pressure monitoring technical field, concretely relates to reservoir dam foundation seepage pressure monitor.
Background
The seepage pressure monitor for the dam foundation of the reservoir is mainly applied to various hydraulic engineering, particularly to seepage (pressure) monitoring of foundation parts such as newly built reservoirs, gate dams and the like, and the change of the water pressure of the foundation and the change trend of upstream water are analyzed through monitoring data, so that the stable and safe operation of the engineering is analyzed and judged.
During the operation period of the reservoir, the dam foundation seepage coefficient is of great importance to the stability of the dam body, and research, development and application of reservoir safety monitoring instruments are increased at home and abroad for many years. However, due to the fact that instruments are buried in hydraulic engineering, particularly in the early stage of reservoir dam construction, monitoring and data analysis are conducted in the operation period. The seepage monitoring part of the reservoir comprises various stone residues, sand gravel, soil bodies and the like, a common camera or related monitoring equipment cannot meet and meet the requirements, and the silicon capacitance type pressure gauge is only used and is not suitable for use, and due to long-term seepage, a large amount of mud suspended substances are contained in a water body, so that an instrument head is easy to block. Therefore, we propose a reservoir dam base seepage pressure monitor to solve the above problems.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a reservoir dam foundation seepage pressure monitor to solve prior art monitoring facilities and can't carry out the problem of accurate monitoring to reservoir seepage pressure.
The utility model discloses a following technical scheme realizes:
a reservoir dam foundation seepage pressure monitor comprises a detection assembly for detecting seepage pressure, a sensing assembly for transmitting the seepage pressure and a sensing shell for accommodating the detection assembly and the sensing assembly, wherein a cable is laid on one side of the sensing shell in a penetrating manner;
the detection assembly comprises a steel string arranged in the sensing shell, a magnet arranged in the sensing shell and used for surrounding and covering the steel string, and a signal amplifier connected with the magnet through a lead;
the sensing assembly comprises an elastic block arranged on one side of the sensing shell, a pressing block arranged at one end of the elastic block and a sliding base arranged at one end of the inner part of the sensing shell, wherein one side of the elastic block penetrates through the inner part of the sensing shell and slides on the inner side of the sliding base in a clamping manner.
Furthermore, a sealing nut is arranged at the joint of the cable and the inside of the sensing shell, and the cable penetrates through the sealing nut to extend to form the sealing of the cable.
Furthermore, one end of the steel string is provided with a lightning arrester, and the lightning arrester penetrates through the sensing shell through a lead and is connected with the ground.
Furthermore, one end of the steel string is provided with an elastic diaphragm, and the elastic diaphragm is elastically arranged inside the sensing shell.
The beneficial effects of the utility model reside in that:
the seepage pressure monitor for the reservoir dam foundation is used by matching the steel string, the magnet, the signal amplifier, the elastic block, the sliding base and the pressing block, when the device is buried in the reservoir dam foundation and the soil body for a long time, the steel string can be excited to vibrate by electrification of the coil, the steel string cuts magnetic lines of force in a magnetic field after vibration, and then the signal frequency is output, so that the seepage (pore) water pressure at the bottom during the water storage period of a reservoir can be measured, and the seepage of the reservoir can be monitored by comparing with a traditional common camera or related monitoring equipment.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and/or combinations particularly pointed out in the appended claims.
Drawings
Fig. 1 is a cross-sectional view of the present invention;
FIG. 2 is a front view of the present invention;
fig. 3 is a schematic diagram of signal transmission according to the present invention.
In the figure: 1. a sensing housing; 2. a cable; 3. a sealing nut; 4. a detection component; 401. steel wire; 402. a magnet; 403. a signal amplifier; 5. a lightning arrester; 6. an elastic diaphragm; 7. a sensing component; 701. an elastic block; 702. pressing a block; 703. a slide base.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the above description of the present invention, it should be noted that the terms "one side" and "the other side" are used for indicating the position or the positional relationship based on the position or the positional relationship shown in the drawings, or the position or the positional relationship which is usually placed when the product of the present invention is used, only for the convenience of describing the present invention and simplifying the description, but not for indicating or implying that the indicated device or element must have a specific position, be constructed and operated in a specific position, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
Further, the term "identical" and the like do not mean that the components are absolutely required to be identical, but may have slight differences. The term "perpendicular" merely means that the positional relationship between the components is more perpendicular than "parallel", and does not mean that the structure must be perfectly perpendicular, but may be slightly inclined.
Referring to fig. 1-3, the present invention provides a technical solution: a reservoir dam foundation seepage pressure monitor comprises a detection assembly 4 for detecting seepage pressure, a sensing assembly 7 for transmitting seepage pressure and a sensing shell 1 for accommodating the detection assembly 4 and the sensing assembly 7, wherein a cable 2 is laid through one side of the sensing shell 1, and a power supply is introduced into the cable 2 to provide corresponding electric energy for the detection assembly 4;
the detection assembly 4 comprises a steel string 401 arranged inside the sensing shell 1, a magnet 402 arranged inside the sensing shell 1 and covering the steel string 401 in a surrounding way, and a signal amplifier 403 connected with the magnet 402 through a lead, wherein a coil is arranged outside the steel string 401, as can be seen from the attached drawing 1 in the specification;
the sensing assembly 7 comprises an elastic block 701 arranged at one side of the sensing shell 1, a pressure applying block 702 arranged at one end of the elastic block 701 and a sliding base 703 arranged at one end of the inside of the sensing shell 1, one side of the elastic block 701 penetrates and extends into the sensing shell 1 and is clamped and slid at the inner side of the sliding base 703, when the device is buried deep in a base surface, if the seepage pressure in the base surface is changed, the external pressure intensity is increased, the pressure applying block 701 is required to contract in the sensing shell 1, at the moment, the pressure applying block 702 slides on the sliding base 703 along with the elastic block 701, so that the internal pressure intensity of the sensing shell 1 is increased, at the moment, the steel string 401 vibrates under the electric excitation of a coil, the steel string 401 cuts magnetic lines in a magnetic field after vibrating, the generated induced potential is transmitted to an amplifier for amplification and output by a lead, and constructors can know the seepage pressure information in the deep base surface in real time by a, meanwhile, a part of the output signal is fed back to the coil, the steel string 401 is kept vibrating, and then the signal frequency related to the tension of the steel string 401 is output, wherein it needs to be emphasized that the depth of the pressure applying block 702 and the elastic block 701 inevitably changes the internal pressure of the sensing shell 1, and the vibration frequency of the steel string 401 is influenced under the condition of the change of the internal pressure, so that information under different seepage pressure conditions is obtained.
The utility model discloses in: the inside handing-over department of cable 2 and sensing casing 1 is provided with sealing nut 3, and sealing nut 3 is provided with sealing nut 3 and runs through the extension formation to cable 2 for cable 2, is provided with sealing nut 3 here, and its purpose prevents that the moisture of base plane depths from flowing into the inside of sensing casing 1 through the gap department of cable 2 and sensing casing 1.
The utility model discloses in: one end of the steel string 401 is provided with the lightning arrester 5, and the lightning arrester 5 penetrates through the sensing shell 1 through a wire to be connected with the ground, wherein the steel string 401 and the lightning arrester 5 are connected through the wire and the lightning arrester is grounded, so that the lightning arrester is prevented from being seriously damaged in severe weather conditions.
The utility model discloses in: one end of the steel string 401 is provided with an elastic diaphragm 6, and the elastic diaphragm 6 is elastically arranged inside the sensing shell 1, where the elastic diaphragm 6 is arranged, as can be seen from the attached figure 1 in the specification, the purpose of the elastic diaphragm is to better sense the change of the pressure inside the sensing shell 1, so that more accurate information can be transmitted when the steel string 401 vibrates.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (4)
1. The utility model provides a reservoir dam foundation seepage pressure monitor which characterized in that: the seepage pressure detection device comprises a detection assembly for detecting seepage pressure, a sensing assembly for transmitting the seepage pressure and a sensing shell for accommodating the detection assembly and the sensing assembly, wherein a cable is laid through one side of the sensing shell;
the detection assembly comprises a steel string arranged in the sensing shell, a magnet arranged in the sensing shell and used for surrounding and covering the steel string, and a signal amplifier connected with the magnet through a lead;
the sensing assembly comprises an elastic block arranged on one side of the sensing shell, a pressing block arranged at one end of the elastic block and a sliding base arranged at one end of the inner part of the sensing shell, wherein one side of the elastic block penetrates through the inner part of the sensing shell and slides on the inner side of the sliding base in a clamping manner.
2. The reservoir dam base seepage pressure monitor of claim 1, wherein: the cable and the inside handing-over department of sensing casing are provided with sealing nut, sealing nut supplies the cable to run through the extension and forms the sealed to the cable.
3. The reservoir dam base seepage pressure monitor of claim 1, wherein: and one end of the steel string is provided with a lightning arrester, and the lightning arrester penetrates through the sensing shell through a lead and is connected with the ground.
4. The reservoir dam base seepage pressure monitor of claim 1, wherein: one end of the steel string is provided with an elastic diaphragm, and the elastic diaphragm is elastically arranged in the sensing shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921751883.4U CN210946921U (en) | 2019-10-18 | 2019-10-18 | Reservoir dam foundation seepage pressure monitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921751883.4U CN210946921U (en) | 2019-10-18 | 2019-10-18 | Reservoir dam foundation seepage pressure monitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210946921U true CN210946921U (en) | 2020-07-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921751883.4U Expired - Fee Related CN210946921U (en) | 2019-10-18 | 2019-10-18 | Reservoir dam foundation seepage pressure monitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210946921U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113418850A (en) * | 2021-06-11 | 2021-09-21 | 中国地质大学（武汉） | Reservoir landslide underwater surface overflow seepage monitoring device and monitoring method |
-
2019
- 2019-10-18 CN CN201921751883.4U patent/CN210946921U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113418850A (en) * | 2021-06-11 | 2021-09-21 | 中国地质大学（武汉） | Reservoir landslide underwater surface overflow seepage monitoring device and monitoring method |
| WO2022257235A1 (en) * | 2021-06-11 | 2022-12-15 | 中国地质大学（武汉） | Monitoring apparatus and monitoring method for reservoir landslide underwater surface overflow seepage |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200707 Termination date: 20211018 |