CN209310727U - 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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- CN209310727U CN209310727U CN201920197714.4U CN201920197714U CN209310727U CN 209310727 U CN209310727 U CN 209310727U CN 201920197714 U CN201920197714 U CN 201920197714U CN 209310727 U CN209310727 U CN 209310727U
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- truss
- truss structure
- sensor
- server terminal
- signal
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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
- 239000011888 foil Substances 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
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005259 measurement Methods 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
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000034994 death Effects 0.000 description 1
- 231100000517 death Toxicity 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003862 health status Effects 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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Abstract
The utility model embodiment provides the monitoring device and system of a kind of truss structure, the device includes sensor, the sensor is set to truss surface, the sensor includes resistance strain gage, measuring circuit and wireless communication module, and the sensor connects server terminal by wireless communication module.The utility model 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 utility model embodiment is related to industrial building health monitoring technique field more particularly to a kind of prison of truss structure
Survey apparatus 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.
Utility model content
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 utility model embodiment provides a kind of monitoring device of truss structure.
In a first aspect, the utility model embodiment provides a kind of monitoring device of truss structure, including sensor, the biography
Sensor is set to truss surface, and the sensor includes resistance strain gage, measuring circuit and wireless communication module, the sensor
Server terminal is connected by wireless communication module；
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 utility model embodiment provide a kind of monitoring system of truss structure, including several sensors with
And server 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 by the embodiment of the utility model, by resistance strain gage by truss knot
The stress deformation of structure is converted into resistance variations signal, and the resistance variations signal is converted voltage signal by measuring circuit, and will
Voltage signal is transmitted to server terminal by wireless communication module, and server terminal monitors the stress of truss according to voltage signal
Size.Realize the long-range monitoring to truss structure stress.The service life for improving truss avoids damaging because of truss structure
Lead to the situation of casualties and property loss.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is
Some embodiments of the utility model, for those of ordinary skill in the art, without creative efforts,
It is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram according to the monitoring device of truss structure provided by the embodiment of the utility model；
Fig. 2 is the use situation schematic diagram according to the monitoring system of truss structure provided by the embodiment of the utility model；
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
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
It should be noted that in the description of the utility model embodiment, the terms "include", "comprise" or its it is any its
He is intended to non-exclusive inclusion by variant, so that the process, method, article or equipment including a series of elements is not
Only include those elements, but also including other elements that are not explicitly listed, or further include for this process, method,
Article or the intrinsic element of equipment.Term " first ", is used for description purposes only " second ", and should not be understood as instruction or
Imply relative importance.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in the process, method, article or apparatus that includes the element.Term " on ", "lower" etc.
The orientation or positional relationship of instruction is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model
It is described with simplifying, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation structure
It makes and operates, therefore should not be understood as limiting the present invention.Unless otherwise clearly defined and limited, term " peace
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on can understanding as the case may be
State the concrete meaning of term in the present invention.
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 utility model embodiment provides the monitoring device and system of a kind of truss structure, passes through resistance strain gage
Resistance variations signal is converted by the stress deformation of truss structure, measuring circuit converts voltage for the resistance variations signal and believes
Number, and voltage signal is transmitted to server terminal 5 by wireless communication module 4, server terminal 5 is monitored according to voltage signal
The stress size of truss.Realize the long-range monitoring to truss structure stress.The service life for improving truss, solve because
The problem of truss structure damage leads to casualties and property loss.
Fig. 1 is the structural schematic diagram according to the monitoring device of truss structure provided by the embodiment of the utility model；Such as Fig. 1 institute
Show, which includes sensor 1, and the sensor 1 is set to truss surface, and the sensor 1 includes resistance strain gage 2, surveys
Circuit 3 and wireless communication module 4 are measured, the sensor 1 connects 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 by the embodiment of the utility model, by resistance strain gage by truss structure by
Power deformation is converted into resistance variations signal, and the resistance variations signal is converted voltage signal by measuring circuit, and voltage is believed
Number server terminal is transmitted to 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 is avoided because truss structure damage is led
Cause the situation of casualties 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 by the embodiment of the utility model.Fig. 2
Shown in truss in one embodiment be located above Solid state fermentation pond, Solid state fermentation pond locates below ground level.Referring to Fig.1 and
Fig. 2, the monitoring system of truss structure provided by the embodiment of the utility model include sensor 1 described in several above-described embodiments with
And server 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 by the embodiment of the utility model, multiple corresponding voltage signals of sensor
It is transmitted to server terminal by wireless communication module, server terminal receives multiple corresponding voltage signals of sensor,
It is analyzed to obtain the stress distribution and size of truss according to above-mentioned voltage signal.Realize to truss structure stress respectively and size it is remote
Journey monitoring.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 above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that:
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement；And these are modified or replaceed, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution
The spirit and scope of scheme.
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 |
|---|---|---|---|
| CN201920197714.4U CN209310727U (en) | 2019-02-14 | 2019-02-14 | A kind of monitoring device and system of truss structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920197714.4U CN209310727U (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 |
|---|---|
| CN209310727U true CN209310727U (en) | 2019-08-27 |
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| CN201920197714.4U Expired - Fee Related CN209310727U (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 |
|---|---|---|---|---|
| CN109708565A (en) * | 2019-02-14 | 2019-05-03 | 北京市劳动保护科学研究所 | A kind of monitoring device and system of truss structure |
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- 2019-02-14 CN CN201920197714.4U patent/CN209310727U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109708565A (en) * | 2019-02-14 | 2019-05-03 | 北京市劳动保护科学研究所 | A kind of monitoring device and system of truss structure |
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| CF01 | Termination of patent right due to non-payment of annual fee |