CN213902455U - Arch dam mesopore crack monitoring system - Google Patents
Arch dam mesopore crack monitoring system Download PDFInfo
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- CN213902455U CN213902455U CN202022932761.4U CN202022932761U CN213902455U CN 213902455 U CN213902455 U CN 213902455U CN 202022932761 U CN202022932761 U CN 202022932761U CN 213902455 U CN213902455 U CN 213902455U
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Abstract
The utility model discloses an arch dam mesopore crack monitoring system, including real time monitoring feedback module, information conversion module and display module. The real-time monitoring feedback module records vibration signals of each monitoring point and collects gap change data; the information conversion module is connected with the real-time monitoring feedback module, receives data fed back by the real-time monitoring feedback module in real time, and calculates and converts the data into information; and the display module is connected with the information conversion module and outputs the calculated information result. The reasonable positions are selected to arrange the induction meters and the joint meters, the change of the joints and the vibration condition during flood discharge are continuously recorded, vibration response parameters such as acceleration and frequency spectrum of each measuring point under different working conditions are calculated and analyzed, the vibration condition of each structural position of the dam under different working conditions is researched, reasonable basis is provided for numerical simulation of flood discharge vibration, and the influence of cracks on the dam body structure is reduced.
Description
Technical Field
The utility model relates to a dam monitoring technology field, especially an arch dam mesopore crack monitoring system.
Background
For a high-rolling-strength concrete arch dam which runs safely for more than nine years, the development form of a middle hole crack needs to be comprehensively mastered through research, crack development mechanism and subsequent influence condition analysis are carried out, the influence of the crack on a middle hole and even the whole structure of the dam is known, otherwise, the arch dam is damaged after long-term overhaul, and the service life of the arch dam is influenced. According to the crack, the measures of treating, preventing and controlling the crack are provided in a targeted manner, and a technical guarantee is provided for the later safe operation of the large-flowered water arch dam. Meanwhile, through the prototype practice of the large flower water arch dam, reference is provided for the construction, operation defect cause and treatment of the arrangement mode of the orifices of the high-rolling-strength concrete arch dam and the large-discharge dam body, and the operation safety degree and the management level are comprehensively improved.
SUMMERY OF THE UTILITY MODEL
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the invention.
The present invention has been made in view of the above and/or other problems occurring in the prior art.
Accordingly, it is an object of the present invention to provide an arch dam mesopore crack monitoring system, among others
In order to solve the technical problem, the utility model provides a following technical scheme: a monitoring system for a hole crack in an arch dam comprises a real-time monitoring feedback module, a data acquisition module and a data processing module, wherein the real-time monitoring feedback module is used for recording vibration signals of monitoring points and acquiring change data of the hole crack; the information conversion module is connected with the real-time monitoring feedback module, receives data fed back by the real-time monitoring feedback module in real time, and calculates and converts the data into information; and the display module is connected with the information conversion module and outputs the calculated information result.
As an arch dam mesopore crack monitoring system's an preferred scheme, wherein: the real-time monitoring feedback module comprises an inductor and a joint meter, and the inductor and the joint meter are respectively connected with the real-time monitoring feedback module, and are used for acquiring data in real time and feeding back the data.
As an arch dam mesopore crack monitoring system's an preferred scheme, wherein: the wireless data acquisition module is connected with the display module, collects information and transmits the information.
As an arch dam mesopore crack monitoring system's an preferred scheme, wherein: the inductor is arranged on a vibration point of the power station dam and used for recording vibration signals of all monitoring points.
As an arch dam mesopore crack monitoring system's an preferred scheme, wherein: the slit meter is arranged on a crack point of the power station dam and used for collecting crack change data.
As an arch dam mesopore crack monitoring system's an preferred scheme, wherein: the information conversion module comprises a vibration wire degree meter and an analysis chip, and the vibration wire degree meter and the analysis chip are respectively connected with the joint meter and the induction meter.
As an arch dam mesopore crack monitoring system's an preferred scheme, wherein: the mobile terminal module is connected with the wireless data acquisition module, receives information sent by the wireless data acquisition module and realizes remote monitoring.
As an arch dam mesopore crack monitoring system's an preferred scheme, wherein: the mobile terminal module adopts a notebook computer.
As an arch dam mesopore crack monitoring system's an preferred scheme, wherein: the display module adopts a touch display screen.
As an arch dam mesopore crack monitoring system's an preferred scheme, wherein: the inductor adopts a three-direction digital strong vibration accelerometer.
The utility model has the advantages that: the utility model discloses a select reasonable position to arrange inductor and joint meter, the vibration condition during continuous recording gap change and flood discharge, vibration response parameters such as each measurement station acceleration, frequency spectrum under the different operating modes of calculation, analysis, the vibration condition at each structure position under the different operating modes of research dam provides reasonable foundation for the numerical simulation of flood discharge vibration, reduces the influence of crack to the dam body structure.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor. Wherein:
FIG. 1 is a diagram of a first embodiment of a hole crack monitoring system in an arch dam.
FIG. 2 is a diagram of a second embodiment of a hole crack monitoring system in an arch dam.
FIG. 3 is an equipment diagram of a hole crack monitoring system in an arch dam.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanying the present invention are described in detail below with reference to the accompanying drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways different from the specific details set forth herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Furthermore, the references herein to "one embodiment" or "an embodiment" refer to a particular feature, structure, or characteristic that may be included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
Referring to fig. 1 to 3, for the first embodiment of the present invention, this embodiment provides an arch dam center hole crack monitoring system, which includes a real-time monitoring feedback module 100, an information conversion module 200 and a display module 300. The data of the measured point is measured by the real-time monitoring feedback module 100, the data is transmitted to the information conversion module 200, and the converted data is displayed on the display module 300.
Specifically, the real-time monitoring feedback module 100 records vibration signals of each monitoring point and collects gap change data;
the information conversion module 200 is connected with the real-time monitoring feedback module 100, receives data fed back by the real-time monitoring feedback module 100 in real time, and calculates and converts the data into information;
and a display module 300 connected to the information conversion module 200 for outputting the calculated information result.
Further, the real-time monitoring feedback module 100 includes an inductor 101 and a joint meter 102, and the inductor 101 and the joint meter 102 are respectively connected to the real-time monitoring feedback module 100, and collect data in real time and feed back data.
Further, the inductor 101 is arranged on a vibration point of the power station dam and used for recording vibration signals of each monitoring point. The crack meter 102 is arranged on a crack point of the power station dam and used for collecting crack change data. The information conversion module 200 comprises a vibrating wire degree meter 201 and an analysis chip 202, wherein the vibrating wire degree meter 201 and the analysis chip 202 are respectively connected with the joint meter 102 and the sensor 101. The display module 300 adopts a touch display screen. The sensor 101 adopts a three-component digital strong vibration accelerometer.
The strong vibration monitoring of flood discharge vibration mainly utilizes inductor 101 to monitor the whole process of ground motion and dam structure reaction condition under its effect when the flood discharge vibrates. The structural reaction and the vibration frequency of the dam body are influenced by the reservoir water, the property change of the dam body material and other uncertain factors. By processing and analyzing the vibration signal data observed by the inductor 101 under different working conditions, quantitative parameters such as vibration acceleration, vibration speed, frequency spectrum composition and the like of the dam body during strong vibration can be obtained, and the dynamic response characteristics of the hydraulic structure in a flood discharge state can be researched. The measuring direction of the inductor 101 should be mainly the water-level river direction, and important measuring points should be distributed into three components of the water-level river direction, the horizontal river direction and the vertical direction.
Preferably, the sensor 101 adopts a GL-PA4 three-component digital strong vibration accelerometer, the GL-PA4 is an integrated earthquake observation instrument integrating multiple functions of acceleration sensing, acquisition, storage, data transmission, detection and the like, the crack meter 102 adopts a BGK-4420 vibrating wire crack meter, and the analysis chip 202 adopts TDS 3000C.
The real-time monitoring feedback module 100 is used for recording vibration signals of each monitoring point and acquiring gap change data, wherein the inductor 101 is arranged at a strong vibration monitoring point and used for acquiring quantitative parameters such as vibration acceleration, vibration speed and frequency spectrum composition of a dam body during strong vibration. The crack meter 102 is arranged on a crack point to record the deformation of the crack, and the information conversion module 200 statistically analyzes the difference and regularity of the strong vibration parameters of each measuring point in three directions according to the collected data. The structural reaction characteristics of the dam body during flood discharge and the influence of flood discharge vibration on the dam body, particularly the relation between the excellent vibration frequency generated by flood discharge and the natural vibration frequency of the dam body, are explored through the difference and regularity of strong vibration parameters, the influence of cracks on the dam body structure can be further explored, reference basis is provided for the cause, treatment and reinforcement of the cracks of the dam, and finally the calculation result is output to the display module 300.
Example 2
Referring to fig. 2, a second embodiment of the present invention is different from the first embodiment in that: also included are a wireless data acquisition module 400 and a mobile terminal module 500. In the above embodiment, the hole crack monitoring system in the arch dam comprises a real-time monitoring feedback module 100, an information conversion module 200 and a display module 300. The data of the measured point is measured by the real-time monitoring feedback module 100, the data is transmitted to the information conversion module 200, and the converted data is displayed on the display module 300.
Specifically, the real-time monitoring feedback module 100 records vibration signals of each monitoring point and collects gap change data;
the information conversion module 200 is connected with the real-time monitoring feedback module 100, receives data fed back by the real-time monitoring feedback module 100 in real time, and calculates and converts the data into information;
and a display module 300 connected to the information conversion module 200 for outputting the calculated information result.
Further, the real-time monitoring feedback module 100 includes an inductor 101 and a joint meter 102, and the inductor 101 and the joint meter 102 are respectively connected to the real-time monitoring feedback module 100, and collect data in real time and feed back data.
Further, the inductor 101 is arranged on a vibration point of the power station dam and used for recording vibration signals of each monitoring point. The crack meter 102 is arranged on a crack point of the power station dam and used for collecting crack change data. The information conversion module 200 comprises a vibrating wire degree meter 201 and an analysis chip 202, wherein the vibrating wire degree meter 201 and the analysis chip 202 are respectively connected with the joint meter 102 and the sensor 101. The display module 300 adopts a touch display screen. The sensor 101 adopts a three-component digital strong vibration accelerometer.
The strong vibration monitoring of flood discharge vibration mainly utilizes inductor 101 to monitor the whole process of ground motion and dam structure reaction condition under its effect when the flood discharge vibrates. The structural reaction and the vibration frequency of the dam body are influenced by the reservoir water, the property change of the dam body material and other uncertain factors. By processing and analyzing the vibration signal data observed by the inductor 101 under different working conditions, quantitative parameters such as vibration acceleration, vibration speed, frequency spectrum composition and the like of the dam body during strong vibration can be obtained, and the dynamic response characteristics of the hydraulic structure in a flood discharge state can be researched. The measuring direction of the inductor 101 should be mainly the water-level river direction, and important measuring points should be distributed into three components of the water-level river direction, the horizontal river direction and the vertical direction.
Preferably, the sensor 101 adopts a GL-PA4 three-way digital strong vibration accelerometer, the GL-PA4 is an integrated earthquake observation instrument integrating multiple functions of acceleration sensing, acquisition, storage, data transmission, detection and the like, the crack meter 102 adopts a BGK-4420 type vibrating wire crack meter, the wireless data acquisition module 400 adopts a BGK-GM2-VW3 wireless data acquisition terminal, and the analysis chip 202 adopts TDS 3000C.
The real-time monitoring feedback module 100 is used for recording vibration signals of each monitoring point and acquiring gap change data, wherein the inductor 101 is arranged at a strong vibration monitoring point and used for acquiring quantitative parameters such as vibration acceleration, vibration speed and frequency spectrum composition of a dam body during strong vibration. The crack meter 102 is arranged on a crack point to record the deformation of the crack, and the information conversion module 200 statistically analyzes the difference and regularity of the strong vibration parameters of each measuring point in three directions according to the collected data. The structural reaction characteristics of the dam body during flood discharge and the influence of flood discharge vibration on the dam body, particularly the relation between the excellent vibration frequency generated by flood discharge and the natural vibration frequency of the dam body, are explored through the difference and regularity of strong vibration parameters, the influence of cracks on the dam body structure can be further explored, reference basis is provided for the cause, treatment and reinforcement of the cracks of the dam, and finally the calculation result is output to the display module 300.
Preferably, the mobile terminal device further comprises a wireless data acquisition module 400, the wireless data acquisition module 400 is connected with the display module 300, collects and transmits information, and the mobile terminal device further comprises a mobile terminal module 500, the mobile terminal module 500 is connected with the wireless data acquisition module 400, receives the information sent by the wireless data acquisition module 400, and realizes remote monitoring, and the mobile terminal module 500 is a notebook computer. The data of each point location is collected and uploaded to the mobile terminal module 500 through the wireless data acquisition module 400, so that remote monitoring is realized.
It is important to note that the construction and arrangement of the present application as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperatures, pressures, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter recited in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of this invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the present invention is not limited to a particular embodiment, but extends to various modifications that nevertheless fall within the scope of the appended claims.
Moreover, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those unrelated to the presently contemplated best mode of carrying out the invention, or those unrelated to enabling the invention).
It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure, without undue experimentation.
It should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.
Claims (10)
1. A monitoring system for hole cracks in an arch dam is characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the real-time monitoring feedback module (100) records vibration signals of each monitoring point and collects gap change data;
the information conversion module (200) is connected with the real-time monitoring feedback module (100), receives data fed back by the real-time monitoring feedback module (100) in real time, and calculates and converts the data into information;
and the display module (300) is connected with the information conversion module (200) and outputs the calculated information result.
2. A hole crack monitoring system in an arch dam as recited in claim 1, wherein: the real-time monitoring feedback module (100) comprises an inductor (101) and a joint meter (102), wherein the inductor (101) and the joint meter (102) are respectively connected with the real-time monitoring feedback module (100) to acquire data in real time and feed back the data.
3. A hole crack monitoring system in an arch dam as recited in claim 2, wherein: the intelligent information processing system is characterized by further comprising a wireless data acquisition module (400), wherein the wireless data acquisition module (400) is connected with the display module (300), and collects and transmits information.
4. A hole crack monitoring system in an arch dam as recited in claim 3, wherein: the induction meter (101) is arranged on a vibration point of the power station dam and used for recording vibration signals of each monitoring point.
5. A hole crack monitoring system in an arch dam as recited in claim 4, wherein: the crack meter (102) is arranged on a crack point of the power station dam and used for collecting crack change data.
6. A hole crack monitoring system in an arch dam as recited in claim 5, wherein: the information conversion module (200) comprises a vibrating wire degree meter (201) and an analysis chip (202), wherein the vibrating wire degree meter (201) and the analysis chip (202) are respectively connected with the crack meter (102) and the inductor (101).
7. A hole crack monitoring system in an arch dam as recited in claim 6, wherein: the system is characterized by further comprising a mobile terminal module (500), wherein the mobile terminal module (500) is connected with the wireless data acquisition module (400) and used for receiving information sent by the wireless data acquisition module (400) and realizing remote monitoring.
8. A hole crack monitoring system in an arch dam as recited in claim 7, wherein: the mobile terminal module (500) adopts a notebook computer.
9. A hole crack monitoring system in an arch dam as recited in claim 8, wherein: the display module (300) adopts a touch display screen.
10. A hole crack monitoring system in an arch dam as recited in claim 9, wherein: the inductor (101) adopts a three-component digital strong vibration accelerometer.
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| CN202022932761.4U CN213902455U (en) | 2020-12-09 | 2020-12-09 | Arch dam mesopore crack monitoring system |
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| CN202022932761.4U CN213902455U (en) | 2020-12-09 | 2020-12-09 | Arch dam mesopore crack monitoring system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113866066A (en) * | 2021-10-26 | 2021-12-31 | 贵州乌江水电开发有限责任公司东风发电厂 | Three-dimensional visual hydropower station underground powerhouse hole seepage monitoring method and system |
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2020
- 2020-12-09 CN CN202022932761.4U patent/CN213902455U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113866066A (en) * | 2021-10-26 | 2021-12-31 | 贵州乌江水电开发有限责任公司东风发电厂 | Three-dimensional visual hydropower station underground powerhouse hole seepage monitoring method and system |
| CN113866066B (en) * | 2021-10-26 | 2023-11-03 | 贵州乌江水电开发有限责任公司东风发电厂 | Three-dimensional visual hydropower station underground powerhouse chamber water seepage monitoring method and system |
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