CN109708565A - A kind of monitoring device and system of truss structure - Google Patents
A kind of monitoring device and system of truss structure Download PDFInfo
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- CN109708565A CN109708565A CN201910114834.8A CN201910114834A CN109708565A CN 109708565 A CN109708565 A CN 109708565A CN 201910114834 A CN201910114834 A CN 201910114834A CN 109708565 A CN109708565 A CN 109708565A
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- truss
- truss structure
- sensor
- signal
- server terminal
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 14
- 238000004891 communication Methods 0.000 claims abstract description 22
- 238000012544 monitoring process Methods 0.000 claims abstract description 19
- 238000012545 processing Methods 0.000 claims description 13
- 239000004744 fabric Substances 0.000 claims 1
- 238000000034 method Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 239000011888 foil Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000034994 death Effects 0.000 description 2
- 231100000517 death Toxicity 0.000 description 2
- 238000010563 solid-state fermentation Methods 0.000 description 2
- 229910001006 Constantan Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 241000446313 Lamella Species 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000003862 health status Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The embodiment of the present invention provides the monitoring device and system of a kind of truss structure, the device includes sensor, the sensor is set to truss surface, and the sensor includes resistance strain gage, measuring circuit and wireless communication module, and the sensor connects server terminal by wireless communication module.The present invention converts resistance variations signal for the stress deformation of truss structure by resistance strain gage, the resistance variations signal is converted voltage signal by measuring circuit, and voltage signal is transmitted to server terminal by wireless communication module, server terminal monitors the stress size of truss according to voltage signal.Realize the long-range monitoring to truss structure stress.The service life for improving truss avoids damaging the situation for leading to casualties and property loss because of truss structure.
Description
Technical field
The present embodiments relate to a kind of monitoring of industrial building health monitoring technique field more particularly to truss structure dresses
It sets and system.
Background technique
Truss structure steel truss has the technique requirement that can be realized large pillar net, large span from heavy and light, and transport and spelling
The advantages that facilitating is connect, this is applied to the structure type in all types of industries building with more.
Not only vertical rigidity is larger for space truss, and out of plane stiffness is also higher, and monolithic stability problem does not protrude.And it puts down
Face truss is easy to happen whole bending due to the features such as span is big, section anti-twisting property is poor, slenderness ratio is big outside compression boom face
Unstability, in the case where especially outside face without supporting enough.Usual truss structure damage will lead to the decline of structure service life,
Serious truss structure damage even causes casualties and property loss.
Therefore, how to propose a kind of device, the health status of truss structure can be monitored, become urgently to be resolved
Problem.
Summary of the invention
It is easy to happen whole bending unstability for plane girder, truss structure damage will lead to the decline of structure service life,
Even cause casualties and the defect of property loss.The embodiment of the present invention provides a kind of monitoring device of truss structure.
In a first aspect, the embodiment of the present invention provides a kind of monitoring device of truss structure, including sensor, the sensor
It is set to truss surface, the sensor includes resistance strain gage, measuring circuit and wireless communication module, and the sensor passes through
Wireless communication module connects server terminal；
The resistance strain gage is used to convert resistance variations signal, the measuring circuit for the stress deformation of truss structure
For converting voltage signal for the resistance variations signal, and voltage signal is transmitted to server by wireless communication module
Terminal, so that server terminal is according to the stress size of voltage signal monitoring truss.
Wherein, the measuring circuit includes temperature drift compensation circuit and bridge circuit, and the temperature drift compensation circuit is for rejecting
Interference signal other than the resistance variations signal obtains stable resistance variations signal；The bridge circuit is used for will be described
Stable resistance variations signal is converted into voltage signal.
Wherein, the resistance strain gage is bonded in horizontal plane or the side of truss.
Second aspect, the embodiment of the present invention provide a kind of monitoring system of truss structure, including several sensors and clothes
Business device terminal；
Several sensors are respectively arranged at horizontal plane and the side of truss, and several sensors are established with server terminal respectively
Wireless telecommunications connection, the server terminal analyze answering for truss for receiving the corresponding voltage signal of multiple sensors
Power distribution and size.
Wherein, the sensor is removably connect with truss.
Wherein, the server terminal includes signal processing module and display module, described signal processing module one end point
It is not connect with multiple sensor wireless, the other end connects display module；The signal processing module is for each to multiple sensors
Self-corresponding voltage signal is handled, and obtains the stress distribution and size of truss, the display module is for showing truss
Stress distribution and size.
Wherein, the server terminal is mobile phone, computer or tablet computer.
The monitoring device and system of truss structure provided in an embodiment of the present invention, by resistance strain gage by truss structure
Stress deformation is converted into resistance variations signal, and the resistance variations signal is converted voltage signal by measuring circuit, and by voltage
Signal is transmitted to server terminal by wireless communication module, and server terminal is big according to the stress that voltage signal monitors truss
It is small.Realize the long-range monitoring to truss structure stress.The service life for improving truss avoids leading because truss structure damages
Cause the situation of casualties and property loss.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the structural schematic diagram according to the monitoring device of truss structure provided in an embodiment of the present invention；
Fig. 2 is the use situation schematic diagram according to the monitoring system of truss structure provided in an embodiment of the present invention；
In figure, 1. sensors；2. resistance strain gage；3. measuring circuit；4. wireless communication module；5. server terminal；6.
Temperature drift compensation circuit；7. bridge circuit；8. signal processing module；9. display module.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
It should be noted that in the description of the embodiment of the present invention, the terms "include", "comprise" or its any other change
Body is intended to non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wrapped
Those elements are included, but also including other elements that are not explicitly listed, or further includes for this process, method, article
Or the element that equipment is intrinsic.Term " first ", is used for description purposes only " second ", is not understood to indicate or imply
Relative importance.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that wrapping
Include in the process, method, article or equipment of the element that there is also other identical elements.The instruction such as term " on ", "lower"
Orientation or positional relationship be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the present invention and simplification retouch
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it is not considered as limiting the invention.Unless otherwise clearly defined and limited, term " installation ", " connected ", " company
Connect " it shall be understood in a broad sense, for example, it may be being fixedly connected, it may be a detachable connection, or be integrally connected；It can be machine
Tool connection, is also possible to be electrically connected；It can be directly connected, two members can also be can be indirectly connected through an intermediary
Connection inside part.For the ordinary skill in the art, above-mentioned term can be understood in this hair as the case may be
Concrete meaning in bright.
Since plane girder span is big, section anti-twisting property is poor, slenderness ratio is big outside compression boom face, it is easy to happen entirety
Bending unstability.And truss structure damage will lead to the decline of truss service life, serious truss structure damage even causes personnel
Injures and deaths and property loss.
Therefore, the embodiment of the present invention provides the monitoring device and system of a kind of truss structure, by resistance strain gage by purlin
The stress deformation of frame structure is converted into resistance variations signal, and the resistance variations signal is converted voltage signal by measuring circuit,
And voltage signal is transmitted to server terminal 5 by wireless communication module 4, server terminal 5 monitors purlin according to voltage signal
The stress size of frame.Realize the long-range monitoring to truss structure stress.The service life for improving truss, solves because of purlin
Frame structural damage leads to the problem of casualties and property loss.
Fig. 1 is the structural schematic diagram according to the monitoring device of truss structure provided in an embodiment of the present invention；As shown in Figure 1,
The device includes sensor 1, and the sensor 1 is set to truss surface, and the sensor 1 includes resistance strain gage 2, measurement electricity
Road 3 and wireless communication module 4, the sensor 1 connect server terminal 5 by wireless communication module 4；
The resistance strain gage 2 is used to convert the stress deformation of truss structure to resistance variations signal, the measurement electricity
Road 3 is used to convert the resistance variations signal to voltage signal, and voltage signal is transmitted to clothes by wireless communication module 4
Business device terminal 5, so that server terminal 5 is according to the stress size of voltage signal monitoring truss.
Wherein, sensor 1 provided in this embodiment be strain gauge transducer, strain gauge transducer be based on measurement object by
A kind of sensor strained caused by power deformation.Resistance strain gage is then its commonly used sensing element.Resistance strain gage
It is the sensing element that a kind of variation that can will be strained on mechanical component is converted to resistance variations.Resistance strain gage can pass through constantan
Silk or nickel filament, which are coiled into palisade (or with very thin metal foil corrosion at palisade) and are clipped in two layers of heat insulating lamella (substrate), to be made.With
Silver-coated copper wire is connect with foil gauge wire grid, as resistor disc lead.
Referring to Fig.1, sensor 1 includes resistance strain gage 2, measuring circuit 3 and wireless communication module 4, and the sensor 1 is logical
It crosses wireless communication module 4 and connects server terminal 5.When being monitored to the stress of truss, sensor 1 is placed on to the water of truss
Plane or side.Wherein, resistance strain gage 2 is bonded in horizontal plane or the side of truss.When deformation occurs for truss stress, resistance
The stress deformation of truss structure is converted resistance variations signal by foil gauge 2, is converted resistance variations signal by measuring circuit 3
For voltage signal, voltage signal is transmitted to server terminal 5 by wireless communication module 4, and server terminal 5 is according to voltage signal
The stress size of long-range monitoring truss.Wherein, server terminal 5 includes signal processing module 8 and display module 9, signal processing
8 one end of module is connect by wireless communication module 4 with sensor 1, and the other end connects display module 9；Signal processing module 8 is used for
Voltage signal is handled, the stress intensity of truss is obtained, display module 9 is used to show the stress intensity of truss.
The monitoring device of truss structure provided in an embodiment of the present invention is become the stress of truss structure by resistance strain gage
Shape is converted into resistance variations signal, and the resistance variations signal is converted voltage signal by measuring circuit, and voltage signal is led to
It crosses wireless communication module and is transmitted to server terminal, server terminal monitors the stress size of truss according to voltage signal.It realizes
Long-range monitoring to truss structure stress.The service life for improving truss is avoided because truss structure damage leads to people
The situation of member's injures and deaths and property loss.
On the basis of the above embodiments, measuring circuit 3 includes temperature drift compensation circuit 6 and bridge circuit 7, temperature drift compensation electricity
Road 6 is used to reject the interference signal other than the resistance variations signal, obtains stable resistance variations signal；Bridge circuit 7 is used
In converting voltage signal for the stable resistance variations signal.
The present embodiment is used to reject the interference signal other than the resistance variations signal by temperature drift compensation circuit 6, obtains
Stable resistance variations signal improves the accuracy to the monitoring of truss stress size.
Fig. 2 is the use situation schematic diagram according to the monitoring system of truss structure provided in an embodiment of the present invention.Institute in Fig. 2
The truss in one embodiment shown is located above Solid state fermentation pond, and Solid state fermentation pond locates below ground level.Referring to Figures 1 and 2,
The monitoring system of truss structure provided in an embodiment of the present invention includes sensor 1 and server described in several above-described embodiments
Terminal.
Several sensors 1 are respectively arranged at horizontal plane and the side of truss, and several sensors 1 are built with server terminal respectively
Vertical wireless telecommunications connection, the server terminal analyze truss for receiving the corresponding voltage signal of multiple sensors 1
Stress distribution and size.
Specifically, truss is individually positioned in by multiple sensors 1 respectively and when size is monitored to the stress of truss
Horizontal plane and side.When deformation occurs for truss stress, the corresponding voltage signal of multiple sensors 1 passes through wireless telecommunications mould
Block 4 is transmitted to server terminal, and server terminal receives the corresponding voltage signal of multiple sensors 1, according to above-mentioned voltage
Signal is analyzed to obtain the stress distribution of truss and size.The clothes in server terminal and above-mentioned apparatus embodiment in the present embodiment
Device terminal 5 of being engaged in is identical.
The monitoring device of truss structure provided in an embodiment of the present invention, multiple corresponding voltage signals of sensor pass through
Wireless communication module is transmitted to server terminal, and server terminal receives multiple corresponding voltage signals of sensor, according to
Above-mentioned voltage signal is analyzed to obtain the stress distribution of truss and size.Realize the long-range prison to truss structure stress difference and size
It surveys.The service life for improving truss is avoided because truss structure damage leads to the situation of casualties and property loss.
On the basis of the various embodiments described above, the sensor is removably connect with truss.The present embodiment will be by that will pass
Sensor is removably connect with truss, enables the sensor to reuse, and disassembly is convenient, reduces costs.
On the basis of the various embodiments described above, server terminal includes signal processing module 8 and display module 9, the letter
Number 8 one end of processing module is connect with multiple sensor wireless respectively, and the other end connects display module 9；The signal processing module 8
For handling the corresponding voltage signal of multiple sensors, the stress distribution and size of truss, the display are obtained
Module 9 is used to show the stress distribution and size of truss.Wherein, the server terminal is mobile phone, computer or tablet computer.
User can remotely monitor the distribution of force and size of truss by the display module 9 of computer or mobile phone.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (7)
1. a kind of monitoring device of truss structure, which is characterized in that including sensor, the sensor is set to truss surface,
The sensor includes resistance strain gage, measuring circuit and wireless communication module, and the sensor is connected by wireless communication module
Connect server terminal；
The resistance strain gage is used to convert resistance variations signal for the stress deformation of truss structure, and the measuring circuit is used for
Voltage signal is converted by the resistance variations signal, and voltage signal is transmitted to server end by wireless communication module
End, so that server terminal is according to the stress size of voltage signal monitoring truss.
2. the monitoring device of truss structure according to claim 1, which is characterized in that the measuring circuit includes that temperature drift is mended
Circuit and bridge circuit are repaid, the temperature drift compensation circuit is used to reject the interference signal other than the resistance variations signal, obtain
Stable resistance variations signal；The bridge circuit is used to convert voltage signal for the stable resistance variations signal.
3. the monitoring device of truss structure according to claim 1, which is characterized in that the resistance strain gage is bonded in purlin
The horizontal plane of frame or side.
4. a kind of monitoring system of truss structure, which is characterized in that including several as described in claims 1 to 3 any one
Sensor and server terminal；
Several sensors are respectively arranged at horizontal plane and the side of truss, and several sensors are established with server terminal wireless respectively
Communication connection, the server terminal analyze the stress point of truss for receiving the corresponding voltage signal of multiple sensors
Cloth and size.
5. the monitoring system of truss structure according to claim 4, which is characterized in that the sensor and truss are detachable
Connection.
6. the monitoring system of truss structure according to claim 4, which is characterized in that the server terminal includes signal
Processing module and display module, described signal processing module one end are connect with multiple sensor wireless respectively, and other end connection is aobvious
Show module；The signal processing module obtains truss for handling the corresponding voltage signal of multiple sensors
Stress distribution and size, the display module are used to show the stress distribution and size of truss.
7. the monitoring system of truss structure according to claim 4, which is characterized in that the server terminal be mobile phone,
Computer or tablet computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910114834.8A CN109708565A (en) | 2019-02-14 | 2019-02-14 | A kind of monitoring device and system of truss structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910114834.8A CN109708565A (en) | 2019-02-14 | 2019-02-14 | A kind of monitoring device and system of truss structure |
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| Publication Number | Publication Date |
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| CN109708565A true CN109708565A (en) | 2019-05-03 |
Family
ID=66263608
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| CN201910114834.8A Pending CN109708565A (en) | 2019-02-14 | 2019-02-14 | A kind of monitoring device and system of truss structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113532258A (en) * | 2021-07-15 | 2021-10-22 | 上海汇焰智能科技有限公司 | Stage mother frame capable of monitoring deformation and control method for preventing deformation |
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