CN110631526A - Measurement system for ancient building colored drawing roof beam displacement - Google Patents
Measurement system for ancient building colored drawing roof beam displacement Download PDFInfo
- Publication number
- CN110631526A CN110631526A CN201910990547.3A CN201910990547A CN110631526A CN 110631526 A CN110631526 A CN 110631526A CN 201910990547 A CN201910990547 A CN 201910990547A CN 110631526 A CN110631526 A CN 110631526A
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- colored drawing
- film type
- pressure sensor
- type pressure
- drawing beam
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- 238000006073 displacement reaction Methods 0.000 title claims abstract description 26
- 238000005259 measurement Methods 0.000 title claims description 5
- 238000012544 monitoring process Methods 0.000 claims abstract description 19
- 238000004891 communication Methods 0.000 claims description 9
- 238000003062 neural network model Methods 0.000 claims description 9
- 238000011157 data evaluation Methods 0.000 claims description 7
- 238000011156 evaluation Methods 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 4
- 238000013500 data storage Methods 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 229920000592 inorganic polymer Polymers 0.000 claims description 3
- 238000012805 post-processing Methods 0.000 claims description 3
- 239000010408 film Substances 0.000 abstract description 24
- 239000010409 thin film Substances 0.000 abstract description 19
- 238000010586 diagram Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000008407 joint function Effects 0.000 description 1
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Classifications
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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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention discloses a measuring system for displacement of a colored drawing beam of an ancient building, which comprises a thin film type pressure sensor group arranged on a connecting surface connected with two ends of the colored drawing beam, the number of the film type pressure sensor groups is 2, each group comprises eight film type pressure sensors, each film type pressure sensor comprises an L-shaped bottom plate, a convex block arranged on the bottom surface of the L-shaped bottom plate, a group of rubber springs, a first film type pressure sensor arranged on the convex block and the group of rubber springs, and a second film type pressure sensor arranged on the inner side of the side surface of the L-shaped bottom plate through another group of rubber springs, the first film type pressure sensors are horizontally arranged, and the sensing surface is straightened, the sensing surface is respectively propped against four corners of the side surface of the colored drawing beam, and the sensing surface of the second film type pressure sensor is horizontally arranged upwards/downwards and is respectively propped against the lower bottom surface and the upper top surface of the colored drawing beam. The invention can reduce the influence on the appearance of the original colored drawing beam as much as possible and can realize the real-time monitoring of the displacement of the colored drawing beam.
Description
Technical Field
The invention relates to the field of ancient building protection, in particular to a system for measuring displacement of a colored drawing beam of an ancient building.
Background
At present, in ancient building colored drawing roof beam deformation measurement, what adopt mainly is measuring equipment such as surveyor's level, total powerstation, when using surveyor's level or total powerstation to measure, need set up the target on the colored drawing roof beam and just can accomplish the measurement of high accuracy, when using comparatively troublesome, still have following defect:
1. the setting of target can make colored drawing roof beam surface appear the damage to influence the pleasing to the eye of colored drawing roof beam.
2. The real-time monitoring of the displacement condition of the colored drawing beam cannot be realized.
Disclosure of Invention
In order to solve the problems, the invention provides a system for measuring the displacement of the colored drawing beam of the historic building, which can reduce the influence on the appearance of the original colored drawing beam as much as possible and can realize the real-time monitoring of the displacement of the colored drawing beam.
In order to achieve the purpose, the invention adopts the technical scheme that:
a measuring system for displacement of a colored drawing beam of an ancient building comprises a thin film type pressure sensor group arranged on connecting surfaces connected with two ends of the colored drawing beam, wherein the number of the thin film type pressure sensor group is 2, each group comprises eight thin film type pressure sensors which are respectively arranged on two connecting surfaces connected with two ends of the colored drawing beam, each thin film type pressure sensor comprises an L-shaped bottom plate, a lug arranged on the bottom surface of the L-shaped bottom plate, a group of rubber springs, a first thin film type pressure sensor arranged on the lug and the group of rubber springs and a second thin film type pressure sensor arranged on the inner side of the side surface of the L-shaped bottom plate through another group of rubber springs, the first thin film type pressure sensor is horizontally arranged and stretched, a sensing surface is respectively abutted against four corners of the side surface of the colored drawing beam, the sensing surface of the second thin film type pressure sensor is horizontally arranged upwards/downwards, respectively propped against the lower bottom surface and the upper top surface of the colored drawing beam.
Furthermore, the thickness of the film type pressure sensor is slightly smaller than the expansion joint between the two side faces and the connecting face of the colored drawing beam.
Furthermore, the first film pressure sensor and the second film pressure sensor each include a sensing unit, a processor unit, a communication unit, and a power supply unit, the sensing unit is configured to sense pressure parameter data and send the sensed pressure parameter data to the processor unit, the processor unit starts the sensing unit to collect environmental information and send the received data to the communication unit according to an originally stored program or an instruction sent by a monitoring center, the communication unit is configured to send the received data to a monitoring terminal, and the power supply unit is configured to provide energy to each unit.
The film type pressure sensor sends the monitored pressure data to the monitoring terminal in real time, and the monitoring terminal sends the received pressure data and the corresponding processing result to the remote server for storage after the pressure data is processed.
Furthermore, the data post-processing system carried in the monitoring terminal is composed of a data storage module, a data evaluation module, a GSM early warning module and a sensor working condition evaluation module, wherein pressure parameter data is stored in a local MySQL database by adopting a MySQL tool package in python, the data evaluation module can automatically complete the analysis of the pressure parameter data, during the analysis, the acquisition of a target parameter is realized based on a BP neural network model, the GSM early warning module is started to realize the sending of an early warning short message when the obtained target parameter falls into an early warning threshold, the sensor working condition evaluation module is used for identifying the pressure sensor number information carried in the received pressure parameter, and when the corresponding sensor number information is not identified, the GSM early warning module is started to realize the sending of a repair short message.
Further, the BP neural network model takes pressure parameter data as an input item, and an output item is a displacement parameter.
Furthermore, the system also comprises a mobile phone APP, and after the mobile phone APP is registered and logged in, the data in the permission can be checked by accessing the remote server.
Furthermore, the bottom surface of the film type pressure sensor is fixedly connected with the connecting surface of the colored drawing beam through inorganic polymer fireproof glue, the exposed area of the film type pressure sensor is as small as possible, and the bottom surface of the film type pressure sensor is printed and colored in a mode of being matched with the colored drawing beam or the connecting surface.
The invention has the following beneficial effects:
1) the arrangement mode is simple, and the displacement and/or the real-time monitoring of the displacement of the colored drawing beam can be realized.
2) Through the design of the arrangement mode of the film pressure sensors, the interference on the functions of the original expansion joint can be reduced as much as possible, and meanwhile, the displacement and deformation detection of the colored drawing beam can be realized.
3) The influence on the appearance of the original colored drawing beam is reduced as much as possible.
Drawings
Fig. 1 is a schematic diagram of an arrangement of a thin film pressure sensor set according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a thin film pressure sensor group according to an embodiment of the present invention.
Fig. 3 is a schematic view of the arrangement of the rubber spring in the embodiment of the present invention.
Fig. 4 is a system block diagram of an embodiment of the invention.
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that variations and modifications can be made by persons skilled in the art without departing from the spirit of the invention. All falling within the scope of the present invention.
As shown in fig. 1-4, an embodiment of the present invention provides a system for measuring displacement of a painted beam of an ancient building, including thin film pressure sensor groups disposed on connecting surfaces connected to two ends of the painted beam, the number of the thin film pressure sensor groups is 2, each group includes eight thin film pressure sensors disposed on two connecting surfaces connected to two ends of the painted beam, respectively, bottom surfaces of the thin film pressure sensors are fixedly connected to the connecting surfaces of the painted beam through inorganic polymer fireproof glue, exposed areas of the thin film pressure sensors are as small as possible, printed colors matched with the painted beam or the connecting surfaces are adopted, the thin film pressure sensors include an L-shaped bottom plate 21, a bump 22 disposed on a bottom surface of the L-shaped bottom plate 21, a set of rubber springs 25 (the distance between the set of rubber springs is slightly greater than the thickness of the painted beam), a first thin film pressure sensor 23 disposed on the bump 22 and the set of rubber springs, and another set of rubber springs 25 (a set of springs 25), (a set of rubber springs is employed The distance between the group of rubber springs is slightly larger than the thickness of the colored drawing beam), and a second film type pressure sensor 24 is arranged on the inner side of the side surface of the L-shaped bottom plate 21, the first film type pressure sensor 23 is horizontally arranged and tightened, the sensing surface is respectively abutted against four corners of the side surface of the colored drawing beam, the rubber springs are fixedly connected with the lower bottom surfaces of the two corners of the inner side of the first film type pressure sensor 23, and the sensing surface of the second film type pressure sensor 24 is horizontally arranged upwards/downwards and is respectively abutted against the lower bottom surface and the upper top surface of the colored drawing beam.
In this embodiment, the film-type pressure sensor includes a sensing unit, a processor unit, a communication unit, and a power supply unit, where the sensing unit is configured to sense pressure parameter data and send the sensed pressure parameter data to the processor unit, the processor unit starts the sensing unit to collect environment information according to an originally stored program or an instruction sent by a monitoring center, and sends received data to the communication unit, the communication unit is configured to send the received data to a monitoring terminal, and the power supply unit is configured to provide energy to each unit.
In this embodiment, the pressure monitoring system further comprises a monitoring terminal and a remote server, the thin film pressure sensor sends the monitored pressure data to the monitoring terminal in real time, and after the monitoring terminal completes processing of the pressure data, the monitoring terminal sends the received pressure data and a corresponding processing result to the remote server for storage. The monitoring terminal internally carries a data post-processing system which comprises a data storage module, a data evaluation module, a GSM early warning module and a sensor working condition evaluation module, wherein pressure parameter data are stored in a local MySQL database by adopting a MySQL tool kit in PYTHON, the data evaluation module can automatically complete the analysis of the pressure parameter data, when the analysis is carried out, the acquisition of target parameters is realized on the basis of a BP neural network model, the number of the BP neural network model is two, the BP neural network model is respectively corresponding to a first film pressure sensor and a second film pressure sensor, the data evaluation module firstly calls a PYTHON script to identify the serial number in the pressure parameter data and then calls the corresponding BP neural network model, the GSM early warning module is started when the obtained target parameters fall into an early warning threshold to realize the sending of early warning short messages, and the sensor working condition evaluation module is used for identifying the serial number information of the pressure sensors carried in the received pressure parameters, and when the corresponding sensor number information is not identified, the GSM early warning module is started to realize the sending of the repair message, the early warning message and the repair message are both provided with templates, and the corresponding information is filled in the corresponding blank space to be compiled.
In this embodiment, the BP neural network model uses pressure parameter data as an input item, and an output item is a displacement parameter.
In the embodiment, the system further comprises a mobile phone APP, and after the mobile phone APP is registered and logged in, the data in the permission can be checked by accessing the remote server.
The working principle of the invention is as follows: because when the colored drawing beam deforms, gaps between the four corners and the connecting surfaces on the two sides of the colored drawing beam inevitably change, the pressure of one or more of the four corners on the film pressure sensor inevitably changes due to the change, and meanwhile, when downward displacement or inclination occurs, the pressure of the film pressure sensor inevitably changes due to the upper top edges and/or the lower top edges of the two side surfaces of the colored drawing beam.
According to the invention, through the design of the arrangement mode of the film pressure sensor, the interference on the original expansion joint function can be reduced as much as possible, and the detection of the displacement and the deformation of the colored drawing beam can be realized.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (8)
1. The utility model provides a measurement system of ancient building colored drawing roof beam displacement which characterized in that: comprises film type pressure sensor groups arranged on the connecting surfaces connected with the two ends of the colored drawing beam, the number of the film type pressure sensor groups is 2, each group comprises eight film type pressure sensors which are respectively arranged on the two connecting surfaces connected with the two ends of the colored drawing beam, the film type pressure sensor comprises an L-shaped bottom plate, a lug arranged on the bottom surface of the L-shaped bottom plate, a group of rubber springs, a first film type pressure sensor arranged on the lug and the group of rubber springs, and a second film type pressure sensor arranged on the inner side of the side surface of the L-shaped bottom plate through another group of rubber springs, wherein the first film type pressure sensor is horizontally arranged, and the sensing surface is straightened, the sensing surface is respectively propped against four corners of the side surface of the colored drawing beam, and the sensing surface of the second film type pressure sensor is horizontally arranged upwards/downwards and is respectively propped against the lower bottom surface and the upper top surface of the colored drawing beam.
2. The system for measuring the displacement of the colored drawing beam for the historic building as claimed in claim 1, wherein the system comprises: the thickness of the film type pressure sensor is slightly smaller than the expansion joint between the two side faces of the colored drawing beam and the connecting face.
3. The system for measuring the displacement of the colored drawing beam for the historic building as claimed in claim 1, wherein the system comprises: the first film type pressure sensor and the second film type pressure sensor respectively comprise a sensing unit, a processor unit, a communication unit and a power supply unit, the sensing unit is used for sensing pressure parameter data and sending the sensed pressure parameter data to the processor unit, the processor unit starts the sensing unit to collect environment information according to an original stored program or an instruction sent by a monitoring center and sends the received data to the communication unit, the communication unit is used for sending the received data to a monitoring terminal, and the power supply unit is used for providing energy for each unit.
4. The system for measuring the displacement of the colored drawing beam for the historic building as claimed in claim 1, wherein the system comprises: the film type pressure sensor sends the monitored pressure data to the monitoring terminal in real time, and the monitoring terminal sends the received pressure data and the corresponding processing result to the remote server for storage after the pressure data is processed.
5. The system for measuring the displacement of the colored drawing beam for the historic building according to claim 4, wherein the system comprises: the monitoring terminal internally-loaded data post-processing system comprises a data storage module, a data evaluation module, a GSM early warning module and a sensor working condition evaluation module, wherein pressure parameter data are stored in a local MySQL database by adopting a MySQL tool kit in python, the data evaluation module can automatically complete the analysis of the pressure parameter data, during the analysis, the acquisition of a target parameter is realized based on a BP neural network model, the GSM early warning module is started when the obtained target parameter falls into an early warning threshold, the sending of an early warning short message is realized, the sensor working condition evaluation module is used for identifying the number information of a pressure sensor carried in the received pressure parameter, and when the corresponding sensor number information is not identified, the GSM early warning module is started, and the sending of a repair short message is realized.
6. The system for measuring the displacement of the colored drawing beam for the historic building according to claim 5, wherein the system comprises: the BP neural network model takes pressure parameter data as an input item, and an output item as a displacement parameter.
7. The system for measuring the displacement of the colored drawing beam for the historic building as claimed in claim 1, wherein the system comprises: the system also comprises a mobile phone APP, and after the mobile phone APP is registered and logged in, the data in the permission can be checked by accessing the remote server.
8. The system for measuring the displacement of the colored drawing beam for the historic building as claimed in claim 1, wherein the system comprises: the bottom surface of the film type pressure sensor is fixedly connected with the connecting surface of the colored drawing beam through inorganic polymer fireproof glue, the exposed area of the film type pressure sensor is as small as possible, and printing and color matched with the colored drawing beam or the connecting surface are adopted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910990547.3A CN110631526B (en) | 2019-10-17 | 2019-10-17 | Measurement system for ancient building colored drawing roof beam displacement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910990547.3A CN110631526B (en) | 2019-10-17 | 2019-10-17 | Measurement system for ancient building colored drawing roof beam displacement |
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| Publication Number | Publication Date |
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| CN110631526A true CN110631526A (en) | 2019-12-31 |
| CN110631526B CN110631526B (en) | 2021-03-05 |
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| CN201910990547.3A Expired - Fee Related CN110631526B (en) | 2019-10-17 | 2019-10-17 | Measurement system for ancient building colored drawing roof beam displacement |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08313422A (en) * | 1995-05-19 | 1996-11-29 | Hoya Corp | Apparatus for evaluating characteristics of thin film |
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-
2019
- 2019-10-17 CN CN201910990547.3A patent/CN110631526B/en not_active Expired - Fee Related
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| US20040244502A1 (en) * | 2001-12-21 | 2004-12-09 | Youngner Daniel W. | Optical pressure sensor |
| WO2011008559A1 (en) * | 2009-06-29 | 2011-01-20 | University Of Massachusetts Lowell | Optical fiber pressure sensor with uniform diaphragm and method of fabricating same |
| CN103162871A (en) * | 2011-12-15 | 2013-06-19 | 西安威正电子科技有限公司 | Resonant beam pressure sensor with pressure film |
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| CN204788273U (en) * | 2015-07-23 | 2015-11-18 | 福州大学 | Long -term monitoring devices suitable for slope of ancient building timber structure cylinder |
| CN207215010U (en) * | 2017-08-29 | 2018-04-10 | 华南理工大学 | A kind of device for measuring flexible beam transverse vibrational displacement and strain stress relation |
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Granted publication date: 20210305 |