CN107063168B - Building deformation monitoring and early warning system that collapses - Google Patents
Building deformation monitoring and early warning system that collapses Download PDFInfo
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- CN107063168B CN107063168B CN201710378847.7A CN201710378847A CN107063168B CN 107063168 B CN107063168 B CN 107063168B CN 201710378847 A CN201710378847 A CN 201710378847A CN 107063168 B CN107063168 B CN 107063168B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/32—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring the deformation in a solid
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
- G08B29/18—Prevention or correction of operating errors
- G08B29/185—Signal analysis techniques for reducing or preventing false alarms or for enhancing the reliability of the system
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Abstract
The invention discloses a building deformation monitoring and collapse early warning system, which comprises a building structure displacement detection unit and an early warning control unit, wherein the building structure displacement detection unit comprises a first detection unit, and the first detection unit is used for detecting the displacement and/or the speed of a measured point of a building; the first detection unit comprises at least one long-distance detection assembly, and the detection assembly is used for acquiring the displacement and/or speed change process of at least one measured point; and the early warning control unit is used for carrying out early warning control according to the measurement result of the displacement detection unit. The building deformation monitoring and early warning system can realize remote non-contact and accurate monitoring of the deformation of the building and realize timely and accurate early warning according to the monitored building deformation data.
Description
Technical Field
The invention belongs to the technical field of public safety, and particularly relates to a system for monitoring building deformation and early warning of collapse.
Background
The collapse of buildings, especially high-rise buildings, seriously endangers the public safety of people, especially when the buildings suffer from accidents such as fire and the like, the probability of the collapse of the buildings is greatly improved, for fire fighters who are in the buildings and carry out personnel evacuation and emergency treatment, whether the buildings in a combustion state collapse or not can not be predicted, and further, when the buildings collapse can not be predicted, generally, the fire fighters can only sense and judge according to experience and observation of field conditions, and thus, no safety early warning guarantee is provided for the staff in the buildings in a dangerous state. Usually, a building is deformed to different degrees before collapse, the most important characteristic parameter of deformation is displacement, and other parameters such as deflection, inclination and settlement are essentially displacement. To a certain extent, deformation of the building in the spatial dimension can be obtained by measuring displacement of the building component or the whole, measurement is carried out in a continuous time range, and real-time deformation of the building in the time dimension can be obtained. However, since the building, especially a high-rise building, has a large volume and small deformation, and a traditional detection sensor cannot be temporarily installed on the building in a fire, and a non-contact remote rapid measurement is required, the current measurement equipment is difficult to realize accurate monitoring of the deformation of the building, and a system for early warning of collapse by using the deformation of the building is also lacked.
Disclosure of Invention
The invention aims to provide a system which can be used for monitoring deformation of a building and realizing early warning of collapse.
In order to achieve the purpose, the invention provides the following technical scheme: the building deformation monitoring and early warning system is characterized by comprising a building structure displacement detection unit and an early warning control unit, wherein the building structure displacement detection unit comprises a first detection unit which is used for detecting the displacement and/or the speed of a measured point of a building; the first detection unit comprises at least one long-distance detection assembly, and the detection assembly is used for acquiring the displacement and/or speed change process of at least one measured point; and the early warning control unit is used for carrying out early warning control according to the measurement result of the displacement detection unit.
Further, the early warning control unit comprises a structure model library, and the structure model library is used for storing the structure model information of the building and the early warning parameter threshold value and/or the calculation method of the early warning parameter threshold value; the structural model information includes the coordinates of the point location being monitored.
Further, the early warning parameters comprise displacement, and/or speed, and/or acceleration of the measured point.
Furthermore, the first detection unit comprises a plurality of long-distance detection assemblies, the long-distance detection assemblies are arranged on the adjusting seat, and the adjusting seat can provide linkage and/or independent adjustment freedom degrees of detection directions of the detection assemblies.
Further, the building structure displacement detection unit comprises a second detection unit, the second detection unit comprises at least one short-distance detection component, and the short-distance detection component is used for acquiring the displacement and/or speed change and/or change process of the long-distance detection component of the first detection unit relative to the long-distance detection component mounting platform.
Furthermore, the second detection unit comprises a plurality of short-distance detection assemblies, the short-distance detection assemblies are arranged on the adjusting seat, and the adjusting seat can provide linkage and/or independent adjustment freedom of detection directions of the short-distance detection assemblies.
Further, the early warning control unit includes an alarm generation algorithm, the alarm generation algorithm includes an early warning parameter model, the early warning parameter model is used for storing an early warning parameter set, and the early warning parameter set is a sufficient condition for generating an alarm signal.
Further, the alarm generation algorithm further comprises the steps of: s1, judging the size relationship between the early warning parameter threshold value and the measured value, and marking the early warning parameter corresponding to the measured value not less than the corresponding early warning parameter threshold value; s2, combining the marked early warning parameters; and S3, comparing the early warning parameter set formed by combination with the early warning parameter model, if the early warning parameter set formed by combination contains any early warning parameter model, generating an alarm, otherwise, not generating the alarm.
Further, the alarm generation algorithm comprises a first verification procedure for acquiring second detection unit data comprising displacement, and/or velocity, and/or acceleration acquired by the short range detection assembly.
Further, the system comprises a third detection unit, the third detection unit comprises at least one intermediate distance detection assembly, the intermediate distance detection assembly is used for acquiring the displacement and/or speed change and/or change process of the long distance detection assembly of the first detection unit relative to any intermediate distance reference position, and the intermediate distance reference position is a relatively fixed intermediate distance reference position in the system installation environment.
Compared with the prior art, the invention has the beneficial effects that: the building deformation monitoring and early warning system can realize remote and accurate monitoring of the deformation of the building, wherein the displacement detection unit improves the accuracy of building deformation monitoring data by arranging a plurality of groups of detection assemblies, effectively identifies and eliminates some unreal data in the monitoring process, and in addition, the early warning control unit can evaluate the collapse risk of the building and give accurate and reasonable early warning by analyzing the data of the displacement detection unit, thereby effectively helping related personnel to make reasonable and effective countermeasures.
Drawings
Fig. 1 is a structural block diagram of an embodiment of a building deformation monitoring and collapse warning system according to the present invention;
FIG. 2 is a flow chart of an alarm generation algorithm according to an embodiment 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 by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the embodiments of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "center", "top", "bottom", "top", "root", "inner", "outer", "peripheral", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, only for the purpose of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Where "inside" refers to an interior or enclosed area or space. "periphery" refers to an area around a particular component or a particular area.
In the description of the embodiments of the present invention, the terms "first", "second", "third", and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", "third", "fourth" may explicitly or implicitly include one or more of the features. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the embodiments of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "assembled" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description of the embodiments of the invention, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
In the description of the embodiments of the present invention, it should be understood that "-" and "-" indicate the same range of two numerical values, and the range includes the endpoints. For example, "A-B" means a range greater than or equal to A and less than or equal to B. "A to B" means a range of not less than A and not more than B.
In the description of the embodiments of the present invention, the term "and/or" herein is only one kind of association relationship describing an associated object, and means that there may be three kinds of relationships, for example, a and/or B, and may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
Please refer to fig. 1 and fig. 2:
the building deformation monitoring and collapse early warning system comprises a building structure displacement detection unit and an early warning control unit, wherein the building structure displacement detection unit comprises a first detection unit, and the first detection unit is used for detecting the displacement and/or the speed of a measured point of a building; the first detection unit comprises at least one long-distance detection assembly, and the detection assembly is used for acquiring the displacement and/or speed change process of at least one measured point; and the early warning control unit is used for carrying out early warning control according to the measurement result of the displacement detection unit.
Specifically, the first detection unit of the building structure displacement detection unit is used as a main measurement unit for detecting the deformation of the building, that is, the long-distance detection assembly is used for realizing remote measurement of the building deformation parameters, and as a specific preference, the parameters for representing the building deformation can adopt the deformation quantity and the deformation rate, and more specifically, the displacement and/or speed change process of at least one measured point on the measured building can be obtained through the detection assembly; further, the early warning control unit performs early warning control by analyzing data measured by the displacement detection unit. It should be noted that, in general, since the deformation of the building is small and it is necessary to perform remote observation, and in addition, when the building is in a special environment such as a fire, the measurement of the deformation data of the building is interfered by high-temperature fire, smoke, etc., it is preferable that the detection component is a radar detection component to realize accurate and stable measurement of the deformation of the building under different environments.
As a preferred embodiment, the early warning control unit comprises a structure model library, and the structure model library is used for storing the structure model information of the building and the early warning parameter threshold value and/or the calculation method of the early warning parameter threshold value; specifically, the structural model information includes point location coordinates for representing the relative position of the monitored point in the architectural structural model, the architectural structure mainly comprises a bearing structure and an enclosure structure from the function, different coordinates in the architectural structural model information correspond to different structural parts of the building, and therefore, early warning parameter thresholds and/or early warning parameter thresholds corresponding to different coordinates are different; as a specific preference, the early warning parameters include displacement, and/or velocity, and/or acceleration of the measured point.
In a preferred embodiment, the first detecting unit comprises a plurality of long-distance detecting assemblies, and the long-distance detecting assemblies are arranged on an adjusting seat, and the adjusting seat can provide linked and/or independent adjusting freedom for detecting directions of the detecting assemblies. The simultaneous monitoring of a plurality of buildings can be realized by arranging a plurality of long-distance detection assemblies; or, each long-distance detection assembly corresponds to different areas of the building to realize comprehensive coverage detection of the building and monitor deformation information of each key area of the building, so that on one hand, accurate prediction of the whole deformation trend of the building can be realized by summarizing and analyzing the deformation information of each area of the building, and on the other hand, relevant personnel can rapidly make a reasonable coping scheme according to the deformation information of each area of the building. Further, will long-distance detection subassembly sets up on the adjustment seat, is favorable to realizing stable fixed to long-distance detection subassembly, avoids causing great error to monitoring data because long-distance detection subassembly's unstability, the adjustment seat still can provide the linkage and/or the independent degree of freedom of adjusting of each detection subassembly detection direction, improves the flexibility, the accuracy of detecting subassembly detection.
In a preferred embodiment, the building structure displacement detection unit comprises a second detection unit comprising at least one short-range detection assembly for acquiring a change and/or course of displacement and/or velocity of the long-range detection assembly of the first detection unit relative to the long-range detection assembly mounting platform. Specifically, whether the long-distance detection assembly is stably fixed on the installation platform of the long-distance detection assembly can be judged through the monitoring data of the second detection unit, if the long-distance detection assembly is displaced relative to the installation platform, it is indicated that the long-distance detection assembly is in an unstable monitoring environment, the accuracy and authenticity of the deformation data of the monitored building are greatly influenced, and false measurement data appear. Thus, a correction should be made to the monitored data of the long distance detection assembly or the monitored data should be directly regarded as invalid. On the contrary, if the long-distance detection assembly does not have relative displacement relative to the installation platform, the long-distance detection assembly does not move, and the monitored data is the real deformation value of the building.
In a preferred embodiment, the second detecting unit includes a plurality of short-distance detecting components, and the short-distance detecting components are disposed on an adjusting seat, and the adjusting seat can provide linked and/or independent adjusting degrees of freedom for detecting directions of the short-distance detecting components.
As a preferred embodiment, the early warning control unit includes an alarm generating algorithm, the alarm generating algorithm includes an early warning parameter model, the early warning parameter model is used for storing an early warning parameter set, and the early warning parameter set is a sufficient condition for generating an alarm signal.
Referring to fig. 2, as a preferred embodiment, the alert generation algorithm further comprises the steps of: s1, judging the size relationship between the early warning parameter threshold value and the measured value, and marking the early warning parameter corresponding to the measured value not less than the corresponding early warning parameter threshold value; s2, combining the marked early warning parameters; and S3, comparing the early warning parameter set formed by combination with the early warning parameter model, if the early warning parameter set formed by combination contains any early warning parameter model, generating an alarm, otherwise, not generating the alarm.
As a preferred embodiment, the alarm generation algorithm comprises a first verification procedure for acquiring second detection unit data comprising displacement, and/or velocity, and/or acceleration acquired by the short range detection assembly. Specifically, the first verification program can judge whether the long-distance detection assembly of the first detection unit is in a stable and effective detection state through the acquired data of the second detection unit, and modify and adjust the long-distance detection assembly according to the data of the second detection unit.
In a preferred embodiment, the system comprises a third detection unit, which comprises at least one intermediate distance detection assembly for acquiring the displacement and/or speed variation and/or variation process of the long distance detection assembly of the first detection unit relative to any intermediate distance reference position, which is a relatively fixed intermediate distance reference position in the installation environment of the system. Specifically, the third detection unit is arranged to improve the authenticity and accuracy of the data monitored by the first detection unit, for example, when the third detection unit detects that the middle distance reference position relatively fixed in the system installation environment does not displace relative to the long distance detection assembly of the first detection unit, it indicates that the detection state of the long distance detection assembly is real and effective, otherwise, if the third detection unit detects that the middle distance reference position displaces relative to the long distance detection assembly of the first detection unit, it indicates that the detection value of the long distance detection assembly has a certain error, or it indicates that the value detected by the long distance detection assembly is not real, so that the long distance detection assembly can be corrected.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The building deformation monitoring and collapse early warning system is characterized by comprising a building structure displacement detection unit and an early warning control unit, wherein the building structure displacement detection unit comprises a first detection unit which is used for detecting the displacement and/or the speed of a measured point of a building; the first detection unit comprises at least one long-distance detection assembly, and the detection assembly is used for acquiring the displacement and/or speed change process of at least one measured point; the early warning control unit is used for carrying out early warning control according to the measurement result of the displacement detection unit;
the building structure displacement detection unit comprises a second detection unit, the second detection unit comprises at least one short-distance detection component, and the short-distance detection component is used for acquiring the displacement and/or speed change and/or change process of the long-distance detection component of the first detection unit relative to the long-distance detection component mounting platform;
the system comprises a third detection unit, wherein the third detection unit comprises at least one intermediate distance detection component, the intermediate distance detection component is used for acquiring the displacement and/or speed change and/or change process of the long distance detection component of the first detection unit relative to any intermediate distance reference position, and the intermediate distance reference position is a relatively fixed intermediate distance reference position in a system installation environment;
the second detection unit comprises a plurality of short-distance detection assemblies, the short-distance detection assemblies are arranged on the adjusting seat, and the adjusting seat can provide linkage and/or independent adjustment freedom degrees of detection directions of the short-distance detection assemblies.
2. The building deformation monitoring and collapse early warning system according to claim 1, wherein the early warning control unit comprises a structure model library, and the structure model library is used for storing structure model information of a building and a calculation method of an early warning parameter threshold value and/or an early warning parameter threshold value; the structural model information includes the coordinates of the point location being monitored.
3. The building deformation monitoring and collapse warning system according to claim 1 or 2, wherein the warning parameters comprise displacement, and/or velocity, and/or acceleration of the measured point.
4. The building deformation monitoring and collapse early warning system according to claim 3, wherein the first detection unit comprises a plurality of long-distance detection assemblies, the long-distance detection assemblies are arranged on an adjusting seat, and the adjusting seat can provide linkage and/or independent adjustment freedom of detection directions of the detection assemblies.
5. The building deformation monitoring and collapse warning system according to claim 1, wherein the warning control unit comprises a warning generation algorithm, the warning generation algorithm comprises a warning parameter model, the warning parameter model is used for storing a set of warning parameters, and the set of warning parameters is a sufficient condition for generating a warning signal.
6. The building deformation monitoring and collapse warning system according to claim 5, wherein the alarm generation algorithm further comprises the steps of: s1, judging the size relationship between the early warning parameter threshold value and the measured value, and marking the early warning parameter corresponding to the measured value not less than the corresponding early warning parameter threshold value; s2, combining the marked early warning parameters; and S3, comparing the early warning parameter set formed by combination with the early warning parameter model, if the early warning parameter set formed by combination contains any early warning parameter model, generating an alarm, otherwise, not generating the alarm.
7. The building deformation monitoring and collapse warning system according to claim 6, wherein the alarm generation algorithm comprises a first verification program, the first verification program is used for acquiring second detection unit data, and the second detection unit data comprises displacement, speed and acceleration acquired by the short-distance detection assembly.
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| CN110136374A (en) * | 2019-05-22 | 2019-08-16 | 微云（武汉）科技有限公司 | A kind of generation method, device and the storage medium of building evacuation route |
| CN111141205B (en) * | 2020-01-08 | 2021-12-21 | 南通四建集团有限公司 | Building deformation monitoring and early warning method and system based on Beidou/GNSS high-precision positioning |
| CN113325456A (en) * | 2021-05-27 | 2021-08-31 | 通富微电子股份有限公司 | Monitoring system and monitoring method for monitoring position change of building |
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