CN111693432A - Automatic monitoring system and method for water leakage on surface of structure - Google Patents
Automatic monitoring system and method for water leakage on surface of structure Download PDFInfo
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- CN111693432A CN111693432A CN202010499406.4A CN202010499406A CN111693432A CN 111693432 A CN111693432 A CN 111693432A CN 202010499406 A CN202010499406 A CN 202010499406A CN 111693432 A CN111693432 A CN 111693432A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 55
- 238000012544 monitoring process Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000010438 heat treatment Methods 0.000 claims abstract description 44
- 238000001931 thermography Methods 0.000 claims abstract description 26
- 238000001514 detection method Methods 0.000 claims abstract description 11
- 230000001681 protective effect Effects 0.000 claims description 21
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 18
- 230000000007 visual effect Effects 0.000 claims description 14
- 235000012255 calcium oxide Nutrition 0.000 claims description 9
- 239000000292 calcium oxide Substances 0.000 claims description 9
- 239000011248 coating agent Substances 0.000 claims description 9
- 238000000576 coating method Methods 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 5
- 238000009434 installation Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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- G—PHYSICS
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- 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
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/10—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using wireless transmission systems
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
- G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
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Abstract
The invention discloses a system and a method for automatically monitoring water leakage on the surface of a structure, and the technical scheme is as follows: the water leakage detection device comprises a heating module and a detection device, wherein the heating module can generate heat when encountering water leakage; the detection device and the heating module are arranged at a set distance; the system comprises an alarm module and a thermal imaging module, wherein the alarm module and the thermal imaging module are respectively connected with a control module; the thermal imaging module is used for acquiring heating information of the heating module and transmitting the heating information to the control module; the control module is used for calculating the temperature difference, and when the temperature difference exceeds a set value, the control module starts the alarm module. The invention adopts a material which can generate heat when meeting water to convert the detected water into detected heat, uses a thermal imager to image and is connected with an industrial personal computer to calculate the temperature difference, and starts an alarm system after the temperature difference exceeds a certain value; the water seepage and leakage conditions can be monitored accurately in real time.
Description
Technical Field
The invention relates to the technical field of road engineering and geotechnical engineering, in particular to an automatic monitoring system and method for water leakage on the surface of a structure.
Background
With the rapid development of current road engineering and geotechnical engineering, route planning is more and more reasonable, and traffic convenience has also been realized in many remote mountain areas, more and more tunnels and large-scale retaining wall have appeared in road construction. Structures such as tunnels and retaining walls are greatly affected by water leakage, and if the structures are not discovered and maintained in time, the stability of the structures and the traffic safety of pedestrians are greatly affected.
The inventor finds that the water leakage condition of the structure is generally detected manually at present, and the large retaining wall beyond visual range is inconvenient to observe due to weak light in the tunnel, cannot timely and accurately monitor the real-time water leakage condition, and is extremely easy to be influenced by rainy weather.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an automatic monitoring system and method for water leakage on the surface of a structure, which adopt materials which generate heat when meeting water to convert the detected water into detected heat, use a thermal imager for imaging and connect an industrial personal computer to calculate the temperature difference, and start an alarm system after the temperature difference exceeds a certain value; the water seepage and leakage conditions can be monitored accurately in real time.
In order to achieve the purpose, the invention is realized by the following technical scheme:
in a first aspect, an embodiment of the present invention provides an automatic monitoring system for water leakage on a surface of a structure, including:
the heating module can heat when encountering water leakage;
a detection device installed at a set distance from the heating module; the system comprises an alarm module and a thermal imaging module, wherein the alarm module and the thermal imaging module are respectively connected with a control module; the thermal imaging module is used for acquiring heating information of the heating module and transmitting the heating information to the control module; the control module is used for calculating the temperature difference, and when the temperature difference exceeds a set value, the control module starts the alarm module.
As a further implementation mode, the heating module comprises a heating body, and a protective shell is arranged on the outer side of the heating body.
As a further implementation, the outer side of the protective shell is provided with a waterproof coating.
As a further implementation mode, the protective shell is wrapped outside the heating body in an open mode.
As a further implementation manner, the heating body includes a sponge, and the sponge is filled with quicklime.
As a further implementation mode, the alarm module is an audible and visual alarm, the thermal imaging module is a thermal imager, and the control module is an industrial personal computer.
As a further implementation mode, the audible and visual alarm and the thermal imager are respectively connected with the industrial personal computer through wires.
In a second aspect, an embodiment of the present invention further provides an installation method of an automatic monitoring system for water leakage on a surface of a structure, including:
reserving bolt holes in the wall of the structure, and inserting bolts;
a fixed heating element, a protective shell is sleeved on the outer side of the heating element;
screwing a nut into the bolt, and forming a waterproof coating outside the heating module;
and installing and debugging a detection device, and setting the scanning period and the alarm temperature difference of the thermal imaging module.
In a third aspect, an embodiment of the present invention further provides an automatic monitoring method for water leakage on a structure surface, where the monitoring system includes:
scanning by using a thermal imaging module to determine an initial thermal distribution; the thermal image is transmitted to the control module, and the control module converts the thermal image in the thermal image and the temperature to obtain a real-time temperature difference;
when water seepage and leakage occur, the water seepage reacts with the heating module to emit heat; when the temperature difference exceeds a set value, starting an alarm module; the alarm module sends out an alarm signal and transmits the alarm signal to the master control console.
As a further implementation manner, the central position of the heating module is used as a base point, and the initial temperature difference of each point position is calculated; and then, at a set time interval, the thermal imaging module and the control module acquire and process information once to calculate the real-time temperature difference.
The beneficial effects of the above-mentioned embodiment of the present invention are as follows:
(1) one or more embodiments of the invention adopt a material which can generate heat when meeting water to convert the detected water into the detected heat, convert the water monitoring into the heat monitoring, judge the water leakage by the temperature rise of the reaction of the quicklime and the water, and are more visual and simpler than the observation by naked eyes;
(2) according to one or more embodiments of the invention, the temperature difference is calculated by using the industrial personal computer after the thermal imager scans to judge whether water seepage and leakage happen, so that the influence of rainy weather and extreme temperature is avoided, and the monitoring result is more accurate; the conditions that light rays in the tunnel are weak and observation is inconvenient at the beyond-visual-distance position of the large retaining wall are avoided, and the condition of water leakage can be timely and accurately monitored;
(3) according to one or more embodiments of the invention, the thermal imager is used for scanning every set time, so that real-time water seepage and leakage monitoring is realized, the industrial personal computer is used for controlling the audible and visual alarm at the same time, and the automatic alarm is carried out when water seepage occurs, namely, the temperature difference exceeds a certain temperature, so that the automatic alarm is more convenient and labor-saving.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.
FIG. 1 is a schematic illustration of an installation of the present invention according to one or more embodiments;
FIG. 2 is a side view of a heat generating module according to one or more embodiments of the present invention;
the device comprises a wall 1, a waterproof coating 2, a heating element 3, a nut 4, a bolt 5, a protective shell 6, an audible and visual alarm 7, an industrial personal computer 8 and a thermal imager 9.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an", and/or "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof;
the terms "mounted", "connected", "fixed", and the like in the present application should be understood broadly, and for example, the terms "mounted", "connected", and "fixed" may be fixedly connected, detachably connected, or integrated; the two components can be connected directly or indirectly through an intermediate medium, or the two components can be connected internally or in an interaction relationship, and the terms can be understood by those skilled in the art according to specific situations.
The first embodiment is as follows:
the embodiment provides an automatic monitoring system for water leakage on the surface of a structure, which comprises a heating module and a detection device, wherein the heating module can generate heat when encountering water leakage; the detection device and the heating module are arranged at a set distance, and the detection device comprises an alarm module and a thermal imaging module. The alarm module and the thermal imaging module are respectively connected with the control module; the thermal imaging module is used for acquiring heating information of the heating module and transmitting the heating information to the control module; the control module is used for calculating the temperature difference, and when the temperature difference exceeds a set value, the control module starts the alarm module.
Further, as shown in fig. 1, the heating module includes a heating element 3 and a protective shell 6, the protective shell 6 is arranged outside the heating element 3, only water leakage enters the heating element 3 through the protective shell 6, and influence of other external water is avoided. In this embodiment, the protective case 6 is made of stainless steel.
Adopt and meet the material that water generates heat and change into the detection heat with detecting water, in this embodiment, heat-generating body 3 is the sponge that distributes and has quick lime, through dipping dry sponge into quick lime, makes quick lime evenly distributed in dry sponge. It is to be understood that the heat-generating body 3 may be made of other materials in other embodiments.
In this embodiment, a square sponge is selected, the sponge has only one surface left to contact with the wall 1, and the other surfaces are wrapped by the protective shell 6, that is, the protective shell 6 is wrapped outside the sponge in an open manner. The heat generating module is fixed to the wall 1 by a fixing member, as shown in fig. 2, the sponge is connected to the wall 1 by a plurality of bolts 5, and the end of each bolt 5 is screwed into a nut 4.
The protective shell 6 and the outer side of the nut 4 are provided with the waterproof coating 2, as shown in fig. 2, the waterproof coating 2 is distributed on the surface of the protective shell 6 and extends at the contact position of the protective shell 6 and the wall 1. The entry of external water (other than penetrating water) into the interior of the protective shell 6 from the other side is further prevented by the waterproof coating 2.
The alarm module is an audible and visual alarm 7, the thermal imaging module is a thermal imager 9, and the control module is an industrial personal computer 8; the audible and visual alarm 7 and the thermal imager 9 are respectively connected with the industrial personal computer 8 through wires. The industrial personal computer 8 can transmit the real-time monitoring result to the master control console through wireless technologies such as Bluetooth and the like.
The embodiment can be installed at key positions such as expansion joints between concrete in a structure, detected water is converted into detected heat by adopting the heating body 3 which generates heat when meeting water, a thermal imager 9 is used for imaging and is connected with an industrial personal computer 8 for calculating temperature difference, and an audible and visual alarm 7 is started after the temperature difference exceeds a certain value. The embodiment is less influenced by weather, the using method is simple, and the water seepage and leakage conditions can be accurately monitored in real time.
Example two:
the embodiment provides an installation method of an automatic monitoring system for water leakage on the surface of a structure, which comprises the following steps:
(1) bolt holes are reserved in the wall 1 of the structure, and bolts 5 are inserted.
(2) And immersing the dried sponge into quicklime to uniformly distribute the quicklime in the dried sponge.
(3) Sleeving the sponge into the bolt 5 for fixing, and sleeving a protective shell 6 on the outer side of the sponge; the part of the bolt 5 extending out of the protective shell 6 is sleeved with a nut 4 to be fixed, and the waterproof coating 2 is arranged on the outer part.
(4) Installing and connecting a thermal imager 9, an industrial personal computer 8 and an audible and visual alarm 7, and debugging; then, the calculation of the initial temperature difference is carried out, and a scanning period of 30 seconds and an alarm temperature difference of 10 ℃ are set.
Example three:
the embodiment provides an automatic monitoring method for water leakage on a structure surface, which adopts the monitoring system of the first embodiment and comprises the following steps:
firstly, scanning by using a thermal imager 9 to determine initial thermal distribution; the thermal imaging instrument 9 transmits the thermal image to the industrial personal computer 8, and the industrial personal computer 8 converts the thermal imaging and the temperature in the thermal image. And taking the position of the bolt 5 in the thermal image as a base point, calculating the initial temperature difference of each point position, and then acquiring and processing information once by the thermal imaging instrument 9 and the industrial personal computer 8 every 30 seconds to calculate the real-time temperature difference.
Once water seepage and leakage occur, the water seepage can react with the quicklime in the sponge to release a large amount of heat, and thermal imaging can change at the moment, so that the calculated temperature difference can also become large. The audible and visual alarm 7 is started when the temperature difference monitored in the industrial personal computer 8 exceeds 10 ℃ and is preset in the industrial personal computer 8, and the audible and visual alarm 7 sends out alarm signals through sound and light and simultaneously transmits the alarm signals to the master control console through wireless transmission.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. An automatic monitoring system for water leakage on a structure surface, comprising:
the heating module can heat when encountering water leakage;
a detection device installed at a set distance from the heating module; the system comprises an alarm module and a thermal imaging module, wherein the alarm module and the thermal imaging module are respectively connected with a control module; the thermal imaging module is used for acquiring heating information of the heating module and transmitting the heating information to the control module; the control module is used for calculating the temperature difference, and when the temperature difference exceeds a set value, the control module starts the alarm module.
2. The system of claim 1, wherein the heat generating module comprises a heat generating body, and a protective casing is disposed outside the heat generating body.
3. An automatic monitoring system for water leakage from a structure surface as claimed in claim 2, wherein the protective casing is provided with a water-resistant coating on the outside thereof.
4. The system for automatically monitoring water leakage on a structure surface as claimed in claim 2, wherein the protective casing is open-type and covers the outside of the heating element.
5. The system of claim 2, wherein the heating element comprises a sponge, and the sponge is filled with quicklime.
6. The system of claim 1, wherein the alarm module is an audible and visual alarm, the thermal imaging module is a thermal imager, and the control module is an industrial personal computer.
7. The system of claim 1, wherein the audible and visual alarm and the thermal imaging device are wired to an industrial personal computer.
8. A method of installing an automatic monitoring system for water leakage from a structure surface according to any one of claims 1 to 7, comprising:
reserving bolt holes in the wall of the structure, and inserting bolts;
a fixed heating element, a protective shell is sleeved on the outer side of the heating element;
screwing a nut into the bolt, and forming a waterproof coating outside the heating module;
and installing and debugging a detection device, and setting the scanning period and the alarm temperature difference of the thermal imaging module.
9. An automatic monitoring method for water leakage on a surface of a structure, which employs the monitoring system of any one of claims 1 to 7, comprising:
scanning by using a thermal imaging module to determine an initial thermal distribution; the thermal image is transmitted to the control module, and the control module converts the thermal image in the thermal image and the temperature to obtain a real-time temperature difference;
when water seepage and leakage occur, the water seepage reacts with the heating module to emit heat; when the temperature difference exceeds a set value, starting an alarm module; the alarm module sends out an alarm signal and transmits the alarm signal to the master control console.
10. The method of claim 9, wherein the initial temperature difference of each point is calculated using the central position of the heat generating module as a base point; and then, at a set time interval, the thermal imaging module and the control module acquire and process information once to calculate the real-time temperature difference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010499406.4A CN111693432A (en) | 2020-06-04 | 2020-06-04 | Automatic monitoring system and method for water leakage on surface of structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010499406.4A CN111693432A (en) | 2020-06-04 | 2020-06-04 | Automatic monitoring system and method for water leakage on surface of structure |
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| CN111693432A true CN111693432A (en) | 2020-09-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113356417A (en) * | 2021-05-11 | 2021-09-07 | 李凤柳 | Building curtain wall panel with day and night dual-type display seepage function |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113356417A (en) * | 2021-05-11 | 2021-09-07 | 李凤柳 | Building curtain wall panel with day and night dual-type display seepage function |
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Application publication date: 20200922 |