CN111964844A - Dykes and dams detection device that leaks for hydraulic engineering construction - Google Patents
Dykes and dams detection device that leaks for hydraulic engineering construction Download PDFInfo
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- CN111964844A CN111964844A CN202010772424.5A CN202010772424A CN111964844A CN 111964844 A CN111964844 A CN 111964844A CN 202010772424 A CN202010772424 A CN 202010772424A CN 111964844 A CN111964844 A CN 111964844A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/20—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01W—METEOROLOGY
- G01W1/00—Meteorology
- G01W1/14—Rainfall or precipitation gauges
Abstract
The invention discloses a dam water leakage detection device for hydraulic engineering construction, which comprises a camera and a plurality of detection assemblies, wherein the detection assemblies are arranged at equal intervals along the height direction of a dam, and are fixedly connected with one side of the dam away from a water surface; the detection assembly comprises color developing paper, a water receiving tank and a water measuring bottle; the color developing paper is rectangular, the color developing paper is fixedly connected to one side, away from the water surface, of the dam, the length direction of the color developing paper is parallel to the length direction of the dam, the length of the color developing paper is consistent with that of the dam, the water receiving tank is arranged below the color developing paper, the water receiving tank is fixedly connected with one side, away from the water surface, of the dam, the water receiving tank is arranged in an inclined manner, and a water measuring bottle is arranged below the lower end of the water receiving tank; when water flows down along the water receiving tank, the water falls into the water measuring bottle; the camera is arranged at the front position of one side of the dam far away from the water surface, and the shooting range of the camera covers all the detection assemblies.
Description
Technical Field
The invention relates to the field of hydraulic engineering, in particular to a dam water leakage detection device for hydraulic engineering construction.
Background
Dykes and dams are the general term for dikes and dams, and also broadly refer to water-resistant and water-retaining buildings and structures, and modern dams are mainly classified into two categories: earth-rock dam and concrete dam, in recent years, large-scale dam dyke all adopts high technology reinforced cement building, dyke is after the live time overlength, structurally can the crack appear, if the crack is too big, can cause the problem of leaking, for stopping dyke and dam leakage, need use the detection device that leaks to detect the situation of leaking, dyke and dam detection device that leaks among the prior art structure is complicated, waste time and energy when carrying out detection operation, its maintenance cost is higher simultaneously, the detection cost that dyke and dam leaked the detection has seriously been increased, therefore, an easy operation need be researched, the dyke and dam detection device that leaks that reduces the detection cost satisfies people's user demand.
Disclosure of Invention
The invention aims to solve the problems and provides a dam water leakage detection device for hydraulic engineering construction, which is simple in structure and convenient to operate.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a dam water leakage detection device for hydraulic engineering construction comprises a camera and a plurality of detection assemblies, wherein the detection assemblies are arranged at equal intervals along the height direction of a dam, and are fixedly connected with one side of the dam away from the water surface; the detection assembly comprises color developing paper, a water receiving tank and a water measuring bottle; the color developing paper is rectangular, the color developing paper is fixedly connected to one side, away from the water surface, of the dam, the length direction of the color developing paper is parallel to the length direction of the dam, the length of the color developing paper is consistent with that of the dam, the water receiving tank is arranged below the color developing paper, the water receiving tank is fixedly connected with one side, away from the water surface, of the dam, the water receiving tank is arranged in an inclined manner, and a water measuring bottle is arranged below the lower end of the water receiving tank; when water flows down along the water receiving tank, the water falls into the water measuring bottle; the camera is arranged at the front position of one side of the dam far away from the water surface, and the shooting range of the camera covers all the detection assemblies.
Further, the dam water leakage detection device also comprises a rainwater monitoring assembly; the rainwater monitoring assembly comprises a raindrop sensor for detecting whether a raining condition exists or not, and the raindrop sensor is fixedly connected to the dam through a fixing frame.
Furthermore, a water level sensor for measuring the water level height in the water measuring bottle is arranged in the water measuring bottle.
Furthermore, the camera is located at the front center position of one side of the dam far away from the water surface, and the camera is fixedly connected to the ground through a support frame.
Furthermore, the color developing paper is composed of black base paper and a water-soluble polymer composite coating layer uniformly coated on the surface of the black base paper.
Further, dykes and dams detection device that leaks still includes and is used for monitoring the watch-dog that dykes and dams condition of leaking, camera, raindrop sensor, level sensor all pass through wireless transmitting module and watch-dog wireless connection.
Further, the monitor comprises a wireless receiving module for receiving information sent by the wireless transmitting module, a contrast analysis module for comparing a color picture of the color paper shot by the camera with a primary color picture of the color paper, a removing module for removing false detection caused by the color paper being wetted by rainwater according to information data of the raindrop sensor, an evaluation and judgment module for evaluating and grading water leakage degree according to water level information of the measuring water bottle, and a grading alarm module for performing different alarm operations according to different water leakage grades, wherein a signal input end of the wireless receiving module is wirelessly connected with a signal output end of the wireless transmitting module, a signal output end of the wireless receiving module is respectively connected with signal input ends of the contrast analysis module, the removing module and the evaluation and judgment module through lines, and a signal output end of the contrast analysis module is connected with a signal input end of the removing module through a line, the signal output end of the eliminating module is connected with the signal input end of the evaluating and judging module through a line, and the signal output end of the evaluating and judging module is connected with the signal input end of the grading alarm module through a line.
Furthermore, the monitor also comprises a comparison input module for inputting or changing the primary color picture of the color paper, and the signal output end of the comparison input module is connected with the signal input end of the comparison analysis module through a line.
Compared with the prior art, the invention has the advantages and positive effects that:
according to the invention, by adopting the design that the color development paper is arranged on one side of the dam away from the water surface and the water receiving tank is arranged below the color development paper, when the dam has a water leakage condition, leaked water can pass through the color development paper from top to bottom, the color on the color development paper can change, when people find that the color of the color development paper changes from a picture shot by a camera, the water leakage condition of the dam is shown, and the water leakage position is positioned above the color change position of the color development paper; meanwhile, leaked water flow can fall into the water receiving tank after passing through the color developing paper and flows into the measuring water bottle along with the inclined direction of the water receiving tank, and people can roughly evaluate the water leakage degree of the water leakage position of the dam according to the water receiving amount of the measuring water bottle within a certain time; the invention has simple structure and quick operation, and improves the use effect of the invention;
on the other hand, the design that the rainwater monitoring assembly is arranged on the dam is adopted, so that the rainy day can be monitored according to the rainwater monitoring assembly, the condition that the color of the color paper is changed due to the fact that the color paper is wetted by rainwater is eliminated, and the detection accuracy of the invention is improved; meanwhile, after rainwater on the color developing paper is evaporated, the color developing paper can restore the original color again, so that the next water leakage detection operation is convenient for people; the production cost and the maintenance cost of each part are lower, so that the detection cost of water leakage detection is effectively reduced, and the use effect of the water leakage detection device is further improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a front view structural diagram of the present invention;
FIG. 2 is a left side view of the present invention;
FIG. 3 is a block diagram of the framework logic of the present invention.
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 from the embodiments of the present invention by a person skilled in the art without any creative effort, should be included in the protection scope of the present invention.
As shown in fig. 1, fig. 2 and fig. 3, the dam water leakage detection device for hydraulic engineering construction in this embodiment includes a camera 5 and a plurality of detection assemblies, the plurality of detection assemblies are arranged at equal intervals along the height direction of the dam 1, and the detection assemblies are fixedly connected with one side of the dam 1 away from the water surface; the detection assembly comprises color development paper 2, a water receiving tank 3 and a water measuring bottle 4; the color developing paper 2 is rectangular, the color developing paper 2 is fixedly connected to one side, away from the water surface, of the dam 1, the length direction of the color developing paper 2 is parallel to the length direction of the dam 1, the length of the color developing paper 2 is consistent with that of the dam 1, the water receiving tank 3 is arranged below the color developing paper 2, the water receiving tank 3 is fixedly connected with one side, away from the water surface, of the dam 1, the water receiving tank 3 is obliquely arranged, a water measuring bottle 4 is arranged below the lower end of the water receiving tank 3, and a water level sensor for measuring the water level height in the water measuring bottle 4 is arranged in the water measuring bottle 4; openings are arranged at the top end of the water receiving tank 3 and the lower end of the water receiving tank 3, and when water flows down along the water receiving tank 3, the water can fall into the water measuring bottle 4; the camera 5 is arranged at the front center position of one side of the dam 1 far away from the water surface, the camera 5 is fixedly connected to the ground through a support frame 6, and the shooting range of the camera 5 covers all the detection components; of course, the camera also can use unmanned aerial vehicle to carry out the picture collection, it only need shoot all detection component can.
According to the invention, by adopting the design that the color development paper is arranged on one side of the dam away from the water surface and the water receiving tank is arranged below the color development paper, when the dam has a water leakage condition, leaked water can pass through the color development paper from top to bottom, the color on the color development paper can change, when people find that the color of the color development paper changes from a picture shot by a camera, the water leakage condition of the dam is shown, and the water leakage position is positioned above the color change position of the color development paper; meanwhile, leaked water flow can fall into the water receiving tank after passing through the color developing paper and flows into the measuring water bottle along with the inclined direction of the water receiving tank, and people can roughly evaluate the water leakage degree of the water leakage position of the dam according to the water receiving amount of the measuring water bottle within a certain time; the invention has simple structure and quick operation, and improves the use effect of the invention;
the dam water leakage detection device also comprises a rainwater monitoring assembly; the rainwater monitoring assembly comprises a raindrop sensor 7 for detecting whether a raining condition exists or not, and the raindrop sensor 7 is fixedly connected to the dam 1 through a fixing frame 8.
According to the invention, through the design that the rainwater monitoring assembly is arranged on the dam, the rainy day can be monitored according to the rainwater monitoring assembly, so that the condition that the color of the color paper changes due to the fact that the color paper is wetted by rainwater is eliminated, and the detection accuracy of the invention is improved; meanwhile, after rainwater on the color developing paper is evaporated, the color developing paper can restore the original color again, so that the next water leakage detection operation is convenient for people; the production cost and the maintenance cost of each part are lower, so that the detection cost of water leakage detection is effectively reduced, and the use effect of the water leakage detection device is further improved.
The color developing paper consists of black base paper and a water-soluble polymer composite coating layer uniformly coated on the surface of the black base paper. The color developing paper is a common object on the market at present, is also called water writing color developing paper, has the effects of changing color when meeting water and recovering the primary color after water evaporation, and has the main principle that the water-soluble polymer composite coating is in a transparent state after meeting water, so people can see black base paper below a coating layer, the color of the coating layer is recovered after the coating layer is separated from the water, and people can only see the color of the coating layer; for example, a water writing paper disclosed in patent No. CN200410040260.8 is a kind of color paper, and the water-soluble polymer composite coating layer in the present technical solution can also be used with the coating layer in the patent No. and has the use effect in the present technical solution as well.
Dykes and dams detection device that leaks still including being used for going on monitoring the watch-dog to dykes and dams condition of leaking, camera 5, raindrop sensor 7, level sensor all pass through wireless transmitting module and watch-dog wireless connection. Raindrop sensor, level sensor are the electron monitoring device who uses commonly on the market, and raindrop sensor, level sensor among the prior art all can be used for this technical scheme, and it has the result of use among this technical scheme equally.
The monitor comprises a wireless receiving module for receiving information sent by the wireless transmitting module, a contrast input module for inputting or changing a primary color picture of the color paper, a contrast analysis module for comparing the color picture of the color paper shot by the camera with the primary color picture of the color paper, a removal module for removing false detection caused by the fact that the color paper is wetted by rainwater according to information data of the raindrop sensor, an evaluation and judgment module for evaluating and grading water leakage degree according to water level information of the measuring water bottle, and a grading alarm module for carrying out different alarm operations according to different water leakage grades;
the signal input end of the wireless receiving module is wirelessly connected with the signal output end of the wireless transmitting module, the signal output end of the wireless receiving module is respectively connected with the comparison and analysis module, the eliminating module and the signal input end of the evaluation and judgment module through lines, the signal output end of the comparison and input module is connected with the signal input end of the comparison and analysis module through lines, the signal output end of the comparison and analysis module is connected with the signal input end of the eliminating module through lines, the signal output end of the eliminating module is connected with the signal input end of the evaluation and judgment module through lines, and the signal output end of the evaluation and judgment module is connected with the signal input end of the grading alarm module through lines.
When the camera transmits a shot picture to the comparison and analysis module, the comparison and analysis module compares the picture with a primary color picture of the color paper, when the color of the color paper is determined to be changed, the raindrop sensor information received by the elimination module is used for judging whether the existing dam rains, if the existing dam rains, the water leakage detection is not judged, if the existing dam does not rains, the water leakage condition is judged whether to be serious or not by combining the evaluation and judgment module with the water level height information in the water measuring bottle, and finally, the graded alarm module carries out alarm processing according to the seriousness of the water leakage condition; for example, only the monitoring room is alarmed when the water leakage amount is small, and the alarm is directly sent out in the area range when the water leakage amount is large.
The invention realizes the automatic operation of the whole water leakage detection device through the design of the monitor, simultaneously leads the water leakage detection operation of the dam to be quicker, saves certain manpower and material resources and further improves the use effect of the invention.
Claims (8)
1. The utility model provides a dykes and dams detection device that leaks for hydraulic engineering construction which characterized in that: the dam water leakage detection device comprises a camera and a plurality of detection assemblies, the detection assemblies are arranged at equal intervals along the height direction of the dam, and the detection assemblies are fixedly connected with one side of the dam away from the water surface; the detection assembly comprises color developing paper, a water receiving tank and a water measuring bottle; the color developing paper is rectangular, the color developing paper is fixedly connected to one side, away from the water surface, of the dam, the length direction of the color developing paper is parallel to the length direction of the dam, the length of the color developing paper is consistent with that of the dam, the water receiving tank is arranged below the color developing paper, the water receiving tank is fixedly connected with one side, away from the water surface, of the dam, the water receiving tank is arranged in an inclined manner, and a water measuring bottle is arranged below the lower end of the water receiving tank; when water flows down along the water receiving tank, the water falls into the water measuring bottle; the camera is arranged at the front position of one side of the dam far away from the water surface, and the shooting range of the camera covers all the detection assemblies.
2. A dam water leakage detection device for hydraulic engineering construction according to claim 1, characterized in that: the dam water leakage detection device also comprises a rainwater monitoring assembly; the rainwater monitoring assembly comprises a raindrop sensor for detecting whether a raining condition exists or not, and the raindrop sensor is fixedly connected to the dam through a fixing frame.
3. A dam water leakage detection device for hydraulic engineering construction according to claim 2, characterized in that: and a water level sensor for measuring the water level in the water measuring bottle is arranged in the water measuring bottle.
4. A dam water leakage detection device for hydraulic engineering construction according to claim 3, characterized in that: the camera is positioned at the center of the front of one side of the dam far away from the water surface and is fixedly connected with the ground through the support frame.
5. A dam water leakage detection device for hydraulic engineering construction according to claim 4, characterized in that: the color developing paper consists of black base paper and a water-soluble polymer composite coating layer uniformly coated on the surface of the black base paper.
6. A dam water leakage detection device for hydraulic engineering construction according to claim 5, characterized in that: the dam water leakage detection device further comprises a monitor for monitoring the dam water leakage condition, and the camera, the raindrop sensor and the water level sensor are all in wireless connection with the monitor through the wireless transmitting module.
7. A dam water leakage detection device for hydraulic engineering construction according to claim 6, characterized in that: the monitor comprises a wireless receiving module for receiving information sent by the wireless transmitting module, a contrast analysis module for comparing a color picture of the color paper shot by a camera with a primary color picture of the color paper, a removing module for removing false detection caused by rainwater wetting the color paper according to information data of the raindrop sensor, an evaluation and judgment module for evaluating and grading the water leakage degree according to water level information of the measuring flask, and a grading alarm module for performing different alarm operations according to different water leakage grades, wherein a signal input end of the wireless receiving module is wirelessly connected with a signal output end of the wireless transmitting module, a signal output end of the wireless receiving module is respectively connected with signal input ends of the contrast analysis module, the removing module and the evaluation and judgment module through circuits, and a signal output end of the contrast analysis module is connected with a signal input end of the removing module through a circuit, the signal output end of the eliminating module is connected with the signal input end of the evaluating and judging module through a line, and the signal output end of the evaluating and judging module is connected with the signal input end of the grading alarm module through a line.
8. A dam water leakage detection device for hydraulic engineering construction according to claim 7, characterized in that: the monitor also comprises a contrast input module used for inputting or changing the primary color picture of the color paper, and the signal output end of the contrast input module is connected with the signal input end of the contrast analysis module through a line.
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| CN202010772424.5A CN111964844A (en) | 2020-08-04 | 2020-08-04 | Dykes and dams detection device that leaks for hydraulic engineering construction |
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| CN202010772424.5A CN111964844A (en) | 2020-08-04 | 2020-08-04 | Dykes and dams detection device that leaks for hydraulic engineering construction |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113741291A (en) * | 2021-09-09 | 2021-12-03 | 孙梦瑶 | Household water leakage prevention intelligent detection system based on Internet of things and working method thereof |
| CN114295294A (en) * | 2021-12-07 | 2022-04-08 | 中建八局第一建设有限公司 | Water seepage color development type external wall tile for assembly type building |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203352711U (en) * | 2013-07-17 | 2013-12-18 | 金华市顺通建设有限公司 | Dam leakage positioning monitoring system |
| JP2014048214A (en) * | 2012-09-02 | 2014-03-17 | Tatsu Kagaya | Device and method for measuring water leakage amount |
| CN205038019U (en) * | 2015-10-23 | 2016-02-17 | 沈阳鸿润水利工程有限公司 | Dykes and dams antiseep monitoring devices |
| CN106769783A (en) * | 2017-02-10 | 2017-05-31 | 水利部交通运输部国家能源局南京水利科学研究院 | The monitoring diagnosis device and method of a kind of earth and rockfill dam barrier performance deterioration |
| CN206804527U (en) * | 2017-05-04 | 2017-12-26 | 江苏建科工程咨询有限公司 | Device is checked and accepted in a kind of buildings waterproof management |
| CN107796575A (en) * | 2016-08-31 | 2018-03-13 | 重庆强勇强科技有限公司 | A kind of seepage of dam monitoring system |
| CN207419391U (en) * | 2017-11-20 | 2018-05-29 | 贵州水利水电职业技术学院 | A kind of water conservancy dam configuration |
-
2020
- 2020-08-04 CN CN202010772424.5A patent/CN111964844A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014048214A (en) * | 2012-09-02 | 2014-03-17 | Tatsu Kagaya | Device and method for measuring water leakage amount |
| CN203352711U (en) * | 2013-07-17 | 2013-12-18 | 金华市顺通建设有限公司 | Dam leakage positioning monitoring system |
| CN205038019U (en) * | 2015-10-23 | 2016-02-17 | 沈阳鸿润水利工程有限公司 | Dykes and dams antiseep monitoring devices |
| CN107796575A (en) * | 2016-08-31 | 2018-03-13 | 重庆强勇强科技有限公司 | A kind of seepage of dam monitoring system |
| CN106769783A (en) * | 2017-02-10 | 2017-05-31 | 水利部交通运输部国家能源局南京水利科学研究院 | The monitoring diagnosis device and method of a kind of earth and rockfill dam barrier performance deterioration |
| CN206804527U (en) * | 2017-05-04 | 2017-12-26 | 江苏建科工程咨询有限公司 | Device is checked and accepted in a kind of buildings waterproof management |
| CN207419391U (en) * | 2017-11-20 | 2018-05-29 | 贵州水利水电职业技术学院 | A kind of water conservancy dam configuration |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113741291A (en) * | 2021-09-09 | 2021-12-03 | 孙梦瑶 | Household water leakage prevention intelligent detection system based on Internet of things and working method thereof |
| CN113741291B (en) * | 2021-09-09 | 2024-04-05 | 孙梦瑶 | Household water leakage prevention intelligent detection system based on Internet of things and working method thereof |
| CN114295294A (en) * | 2021-12-07 | 2022-04-08 | 中建八局第一建设有限公司 | Water seepage color development type external wall tile for assembly type building |
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