CN110068265A - A kind of multistage surmounts triggering device for detecting deformation - Google Patents
A kind of multistage surmounts triggering device for detecting deformation Download PDFInfo
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- CN110068265A CN110068265A CN201910234630.8A CN201910234630A CN110068265A CN 110068265 A CN110068265 A CN 110068265A CN 201910234630 A CN201910234630 A CN 201910234630A CN 110068265 A CN110068265 A CN 110068265A
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- copper conductor
- surmounts
- anchor bolt
- triggering device
- slack
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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
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/16—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge
- G01B7/18—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge using change in resistance
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The present invention relates to a kind of multistages to surmount triggering device for detecting deformation, the first anchor bolt and the second anchor bolt including being separately fixed at tensional element two sides, and both ends are separately connected the multiple groups copper conductor being arranged in parallel between first anchor bolt and the second anchor bolt, using in copper conductor wherein one group as way circuit, remaining each group is parallel circuit, RFID chip is disposed in way circuit, brittleness node and resistive element are respectively arranged on each parallel circuit, each group copper conductor is respectively provided with slack, wherein, the slack of each parallel circuit is different, the slack long enough of way circuit, to meet it in detection process not by external force.Compared with prior art, simple structure of the present invention, measurement mechanism is clear, and deformation detection performance is stablized, and popularization and application cost are lower, and multistage expectation Morph Target can be arranged personalizedly, have extensive engineering application value.
Description
Technical field
The invention belongs to construction engineering technical field, it is related to a kind of multistage and surmounts triggering device for detecting deformation.
Background technique
Currently, it is less about the quick detection means of faulted condition after the main lateral resistant member shake of building structure, in structure
Lateral resistant member is often hidden in behind coating or exterior wall, therefore, it is difficult to the deformation state of detection means, conventional detection hand
Section, which needs to remove, carries out mapping in component surface after covering on component, and detection is time-consuming more, at high cost, and along with heavy
The testing result of workload and inaccuracy.Traditional building structure lateral resistant member installation detection and deformation monitoring means are mainly led to
Cross total station observation part-structure characteristic portion, by with the data comparison that designs a model, and then obtain malformation supposition number
According to, measure heavy workload and testing result it is inaccurate, need to handle data, man efficiency is low.
Summary of the invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide a kind of multistages to surmount triggering
Device for detecting deformation.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of multistage surmounts triggering device for detecting deformation, the first anchor bolt including being separately fixed at tensional element two sides
Being arranged in parallel between first anchor bolt and the second anchor bolt is separately connected with the second anchor bolt and both ends
Multiple groups copper conductor, using in copper conductor wherein one group as way circuit, remaining each group is parallel circuit, is arranged in way circuit
There is RFID chip, brittleness node and resistive element are respectively arranged on each parallel circuit, each group copper conductor is respectively provided with slack,
Wherein, the slack of each parallel circuit is different, the slack long enough of way circuit, to meet it in detection process not by outer
Power.
When tensional element generates stretcher strain during loading, copper conductor passes through the first anchor bolt and the second anchor
Fixing bolt realizes deformation synchronous with tensional element, when tensional element, which deforms, reaches predetermined target value, the brittleness of each branch path
Node is successively pulled off, and way circuit resistance value generates multistage variation, and then by way circuit change in resistance situation in conjunction with branch path
Slack design, can be detected the deformation for obtaining tensional element.
Further, the copper conductor both ends and the mechanical connection relationship of the first anchor bolt and the second anchor bolt are
It winds and nut is used to compress.
Further, the resistive element is the metalfilmresistor element being respectively connected in parallel circuit.
Further, metalfilmresistor element using Mechanical entanglement and carries out the mode of soldering and the copper core of parallel circuit is led
Line connection.
Further, the parallel circuit includes the first branch and second branch, and the slack of second branch is longer than first
The slack of branch.I.e. using the slack of the first branch as first order Amoebida scale value, the slack of second branch is as
Second level is denaturalized target value.
Further, the span centre position of each parallel circuit is arranged in the brittleness node.
Further, the copper conductor outsourcing insulation.
Further, the diameter of the copper conductor is less than 2mm.
Further, the brittleness node connects realization using soldering mode by two sections of copper conductors.
Further, the ultimate tensile strength of the brittleness node is 30-50N, this numerical value and tensional element bearing load
It is comparably small quantity, meets brittleness requirement, it is i.e. disconnected to can be realized tension.
The principle that the present invention realizes that multistage surmounts triggering deformation detection is to preset wire relaxes amount in each branch, in measurement zone
After deformation reaches first/second threshold values, first/second branch can be destroyed successively, and long enough is arranged in circuit where RFID chip
Wire relaxes amount, guarantee not stressing in circuit where measuring phases RFID chip, first/second branch destroy when, use
RFID reader scans chip, is fed back by the resistance value of RFID chip, realizes the conversion of physical deformation signal to resistance signal.
A kind of multistage surmounts triggering device for detecting deformation and can be used for being hidden in the intracorporal primary structure member faulted condition of building wall and wirelessly examine
It surveys.
Compared with prior art, the invention has the following advantages that
(1) simple structure of the present invention, the mechanism of action are clear；
(2) it can be used according to structure by adjusting the preset wire relaxes amount of each branch or the demand of structural strengthening is a
Adjust desired target distortion to property；
(3) copper conductor of detector segments uses soldering node, meets brittleness node demand, works component and detect essence
Influence caused by degree is negligible；
(4) present invention realizes that multistage deformation target surmounts triggering machine by organically combining default deflection and brittleness design
The physical deformation of more difficult detection in the structure is efficiently converted into resistance signal by system, and conversion accuracy is high, and device working performance is steady
It is fixed.
(5) the detection device main body is wire rod, will not be had an impact to the mechanical property of tensional element, and device is easy to
Package influences the functionality and aesthetic appearance of structure smaller.
(6) multistage surmount triggering each component of device for detecting deformation may be implemented to be prefabricated in the factory component when, with component carry out
Pre-installation and package, each section can realize normalized production assembly, can fully achieve batch production processing, have extensive promote
Application value.
Detailed description of the invention
Fig. 1 is the organigram that multistage surmounts triggering device for detecting deformation；
Fig. 2 is the organigram of resistive element；
Fig. 3 is the schematic front view of anchor bolt；
Fig. 4 is the schematic top plan view of anchor bolt；
Fig. 5 is the schematic top plan view of nut；
Fig. 6 is the schematic front view of nut；
Fig. 7 is the schematic diagram of copper conductor；
Fig. 8 is the schematic diagram of brittleness node；
Fig. 9 is equivalent circuit diagram；
Figure 10 is the scheme of installation that multistage surmounts triggering device for detecting deformation；
Description of symbols in figure:
The first anchor bolt of 1-, 2- the first metalfilmresistor element, 3- the second metalfilmresistor element, 4- copper conductor,
5-RFID chip, 6- brittleness node, the second anchor bolt of 7-, 8- tensional element, 9- insulating layer.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.The present embodiment is with technical solution of the present invention
Premised on implemented, the detailed implementation method and specific operation process are given, but protection scope of the present invention is not limited to
Following embodiments.
A kind of multistage surmounts triggering device for detecting deformation, structure referring to shown in Fig. 1-Figure 10, including be separately fixed at by
The first anchor bolt 1 and the second anchor bolt 7 of drawing 8 two sides of component and both ends are separately connected the first anchor bolt 1 and second
The multiple groups copper conductor 4 being arranged in parallel between anchor bolt 7, using in copper conductor 4 wherein one group as way circuit, remaining
Each group is parallel circuit, and RFID chip 5 is disposed in way circuit, and brittleness node 6 and resistance are respectively arranged on each parallel circuit
Element, each group copper conductor 4 are respectively provided with slack, wherein the slack of each parallel circuit is different, the slack foot of way circuit
It is enough long, to meet it in detection process not by external force.
When tensional element 8 generates stretcher strain during loading, copper conductor 4 passes through the first anchor bolt 1 and the
Two anchor bolts 7 realize deformation synchronous with tensional element 8, when tensional element 8, which deforms, reaches predetermined target value, each branch path
Brittleness node 6 be successively pulled off, way circuit resistance value generates multistage variation, so by way circuit change in resistance situation in conjunction with
The slack of branch path designs, and can be detected to obtain the deformation of tensional element 8.The equivalent circuit of entire detection device is as schemed
Shown in 9, wherein the resistive element on two parallel circuits (i.e. the first branch and second branch) is equivalent to resistance R respectively1And resistance
R2。
In a kind of specific embodiment of the invention, 4 both ends of copper conductor and the first anchor bolt 1 and the second anchoring
The mechanical connection relationship of bolt 7 is to wind and compressed using nut.
In a kind of specific embodiment of the invention, resistive element is the metalfilmresistor being respectively connected in parallel circuit
Element.Further, metalfilmresistor element using Mechanical entanglement and carries out the mode of soldering and connect with copper conductor 4.
In a kind of specific embodiment of the invention, parallel circuit includes the first branch and second branch, and second
The slack on road is longer than the slack of the first branch.I.e. using the slack of the first branch as first order Amoebida scale value, second
The slack of branch is denaturalized target value as the second level.
In a kind of specific embodiment of the invention, the span centre position of each parallel circuit is arranged in brittleness node 6.
In a kind of specific embodiment of the invention, 4 outsourcing insulation 9 of copper conductor.
In a kind of specific embodiment of the invention, the diameter of copper conductor 4 is less than 2mm.
Shown in Figure 8 in a kind of specific embodiment of the invention, brittleness node 6 is adopted by two sections of copper conductors 4
Realization is connected with soldering mode.
In a kind of specific embodiment of the invention, the ultimate tensile strength of brittleness node 6 is 30-50N, this numerical value
It is comparably small quantity with 8 bearing load of tensional element, meets brittleness requirement, it is i.e. disconnected to can be realized tension.
Come to carry out further description to the respective embodiments described above below in conjunction with specific embodiment.
Embodiment 1:
Referring to Fig. 1-Figure 10, present embodiments provides a kind of multistage and surmount triggering device for detecting deformation, including the first anchoring
Bolt 1, the first metalfilmresistor element 2, the second metalfilmresistor element 3, copper conductor 4, RFID chip 5, brittleness node 6,
Second anchor bolt 7, wherein the first anchor bolt 1 and the second anchor bolt 7 are individually fixed in the two sides of tensional element 8, are used to
Realize the compatible deformation of copper conductor 4 and tensional element 8.First metalfilmresistor element 2 passes through soldering and wherein one group of copper core
Conducting wire 4 (i.e. the first branch) is connected, and brittleness node 6 is arranged near the 4 span centre band of position of copper conductor, is first
Road, the second metalfilmresistor element 3 are connected also by soldering with another group of copper conductor 4 (i.e. second branch), the copper conductor 4
Span centre areas adjacent be also provided with brittleness node 6, be second branch.4 both ends of copper conductor are wound to the first anchor bolt 1 and
On two anchor bolts 7, and apply pretightning force using nut, it is ensured that copper conductor 4 will not slide in deformation process.RFID
Chip 5 accesses way circuit, and the first branch and second branch use parallel processing, and long enough pine is arranged in the copper conductor 4 of way circuit
Relaxation amount guarantees that way circuit does not stress in deformation detecting process.When tensional element 8 generates stretcher strain during loading,
Copper conductor 4 realizes deformation synchronous with tensional element 8 by the first anchor bolt 1 and the second anchor bolt 7, works as tensional element
When 8 deformations reach predetermined target value, brittleness node 6 is pulled off, and way circuit resistance value generates variation.
The connection type of 4 both ends of copper conductor and the first anchor bolt 1 and the second anchor bolt 7 is to wind and use nut
It compresses, guarantees that 4 both ends of copper conductor do not slide in the detection process, the first anchor bolt 1 and the second anchor bolt 7 and nut
Structure referring to shown in Fig. 3-Fig. 6.
The deformation of copper conductor 4 surmounts triggering and realizes that 4 slack of copper conductor of the first branch is by default slack
First order Amoebida scale value, the slack of the copper conductor 4 of second branch are second level Amoebida scale value；
First metalfilmresistor element 2 and the second metalfilmresistor element 3 are using after Mechanical entanglement and carrying out the side of soldering
Formula is connect with copper conductor 4, and the mode of parallel circuit processing is identical, the first metalfilmresistor element 2 and the second metalfilmresistor
The structure of element 3 is shown in Figure 2.
Referring to Fig. 1 and Figure 10, the first anchor bolt 1 and the second anchor bolt 7 are individually fixed in the two sides of tensional element 8,
For realizing the compatible deformation of copper conductor 4 and tensional element 8；
Referring to Fig. 7, copper conductor 4 preferably selects small string diameter conducting wire, outer to be surrounded by insulating layer 9；
Referring to Fig. 8, copper conductor 4 passes through the connection that the mode placed parallel, and apply soldering carries out circuit, is realized with this
The function of brittleness node 6；
When Specific construction:
(1) copper conductor 4, the first anchor bolt 1, the second anchor bolt 7, the first metal film electricity are selected according to design parameter
Resistance element 2, the equal components of the second metalfilmresistor element 3；
(2) first branch and second branch use parallel processing that can pass through two 4 machines of copper conductor in practical operation
The mode of soldering is attached after tool winding, copper conductor 4 and the first metalfilmresistor element 2, the second metalfilmresistor element 3
Connection type the same manner can also be used；
(3) after 4 deflection of copper conductor for presetting each branch according to desired Morph Target, by end multiple-turns wound to anchoring
It on bolt, and is compressed using nut, it is ensured that conducting wire and 8 cooperative transformation of tensional element, conducting wire two in 8 deformation process of tensional element
End does not have an impact the slippage of testing result；
According to the above specific embodiment, the present invention provides a kind of multistages to surmount triggering device for detecting deformation, the device
Not only simple structure, deformation detection performance are stablized, are easy to encapsulate, and are suitble to industrialized production and prefabricated construction, and being capable of individual character
Change the multistage expectation Morph Target of ground setting, there is wide future in engineering applications.
In the device of above embodiments, also eliminating ensures other complete conventional hardwares of equivalent circuit, and as without especially
Illustrate, then the element of technology used by showing or use is this field conventional components.
The above description of the embodiments is intended to facilitate ordinary skill in the art to understand and use the invention.
Person skilled in the art obviously easily can make various modifications to these embodiments, and described herein general
Principle is applied in other embodiments without having to go through creative labor.Therefore, the present invention is not limited to the above embodiments, ability
Field technique personnel announcement according to the present invention, improvement and modification made without departing from the scope of the present invention all should be of the invention
Within protection scope.
Claims (10)
1. a kind of multistage surmounts triggering device for detecting deformation, which is characterized in that including being separately fixed at tensional element two sides
One anchor bolt and the second anchor bolt and both ends are separately connected between first anchor bolt and the second anchor bolt
The multiple groups copper conductor being arranged in parallel, using in copper conductor wherein one group as way circuit, remaining each group is parallel circuit, total
It is disposed with RFID chip in circuit, brittleness node and resistive element are respectively arranged on each parallel circuit, each group copper conductor is equal
Slack is set, wherein the slack of each parallel circuit is different, and the slack long enough of way circuit is being detected with meeting it
Process is not by external force.
2. a kind of multistage according to claim 1 surmounts triggering device for detecting deformation, which is characterized in that the copper conductor
The mechanical connection relationship of both ends and the first anchor bolt and the second anchor bolt is to wind and compressed using nut.
3. a kind of multistage according to claim 1 surmounts triggering device for detecting deformation, which is characterized in that the resistive element
For the metalfilmresistor element being respectively connected in parallel circuit.
4. a kind of multistage according to claim 3 surmounts triggering device for detecting deformation, which is characterized in that metalfilmresistor member
Part is using Mechanical entanglement and carries out the mode of soldering and the copper conductor connection of parallel circuit.
5. a kind of multistage according to claim 1 surmounts triggering device for detecting deformation, which is characterized in that the parallel circuit packet
The first branch and second branch are included, and the slack of second branch is longer than the slack of the first branch.
6. a kind of multistage according to claim 1 surmounts triggering device for detecting deformation, which is characterized in that the brittleness node
The span centre position of each parallel circuit is set.
7. a kind of multistage according to claim 1 surmounts triggering device for detecting deformation, which is characterized in that the copper conductor
Outsourcing insulation.
8. a kind of multistage according to claim 1 surmounts triggering device for detecting deformation, which is characterized in that the copper conductor
Diameter be less than 2mm.
9. a kind of multistage according to claim 1 surmounts triggering device for detecting deformation, which is characterized in that the brittleness node
Realization is connected using soldering mode by two sections of copper conductors.
10. a kind of multistage surmounts triggering device for detecting deformation according to claim 1 or described in 9, which is characterized in that the brittleness
The ultimate tensile strength of node is 30-50N.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910234630.8A CN110068265A (en) | 2019-03-26 | 2019-03-26 | A kind of multistage surmounts triggering device for detecting deformation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910234630.8A CN110068265A (en) | 2019-03-26 | 2019-03-26 | A kind of multistage surmounts triggering device for detecting deformation |
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| CN110068265A true CN110068265A (en) | 2019-07-30 |
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| CN201910234630.8A Pending CN110068265A (en) | 2019-03-26 | 2019-03-26 | A kind of multistage surmounts triggering device for detecting deformation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111854593A (en) * | 2020-06-22 | 2020-10-30 | 同济大学 | Digital sensor based on multistage deformation surmounts early warning |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2687608Y (en) * | 2004-04-12 | 2005-03-23 | 邓安仲 | Apparatus for continuously monitoring deformation and cracking of forced member |
| CN1975463A (en) * | 2005-11-28 | 2007-06-06 | 中国科学院地质与地球物理研究所 | Multipoint engineering structural crack state monitoring device and method thereof |
| CN201697604U (en) * | 2010-06-03 | 2011-01-05 | 陈彦平 | Integrated strain gauge for concrete |
| JP2011179817A (en) * | 2010-02-26 | 2011-09-15 | Taiheiyo Cement Corp | Strain measuring device and strain measuring system |
| CN105318823A (en) * | 2015-11-03 | 2016-02-10 | 浙江大学 | Ultra-low power consumption passive structural strain monitoring device |
| CN106643461A (en) * | 2016-11-29 | 2017-05-10 | 上海浦兴路桥建设工程有限公司 | External sensor and method of monitoring internal strain of concrete structure |
-
2019
- 2019-03-26 CN CN201910234630.8A patent/CN110068265A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2687608Y (en) * | 2004-04-12 | 2005-03-23 | 邓安仲 | Apparatus for continuously monitoring deformation and cracking of forced member |
| CN1975463A (en) * | 2005-11-28 | 2007-06-06 | 中国科学院地质与地球物理研究所 | Multipoint engineering structural crack state monitoring device and method thereof |
| JP2011179817A (en) * | 2010-02-26 | 2011-09-15 | Taiheiyo Cement Corp | Strain measuring device and strain measuring system |
| CN201697604U (en) * | 2010-06-03 | 2011-01-05 | 陈彦平 | Integrated strain gauge for concrete |
| CN105318823A (en) * | 2015-11-03 | 2016-02-10 | 浙江大学 | Ultra-low power consumption passive structural strain monitoring device |
| CN106643461A (en) * | 2016-11-29 | 2017-05-10 | 上海浦兴路桥建设工程有限公司 | External sensor and method of monitoring internal strain of concrete structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111854593A (en) * | 2020-06-22 | 2020-10-30 | 同济大学 | Digital sensor based on multistage deformation surmounts early warning |
| US11486690B2 (en) | 2020-06-22 | 2022-11-01 | Tongji University | Digital sensor for pre-warning of multistage breakage-triggered deformation threshold |
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Application publication date: 20190730 |