CN109737863A - A kind of curtain wall loosens monitoring sensor, monitoring system and monitoring method - Google Patents
A kind of curtain wall loosens monitoring sensor, monitoring system and monitoring method Download PDFInfo
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- CN109737863A CN109737863A CN201910066406.2A CN201910066406A CN109737863A CN 109737863 A CN109737863 A CN 109737863A CN 201910066406 A CN201910066406 A CN 201910066406A CN 109737863 A CN109737863 A CN 109737863A
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Abstract
The invention discloses a kind of curtain walls to loosen monitoring sensor, monitoring system and monitoring method.Including stretchable dielectric-slab (1), dielectric-slab (1) front and back on magnetic resonance structure (2) and electric resonance structure (3) are distributed with respectively；The magnetic resonance structure (2) and electric resonance structure (3) can be along the draw direction stretcher strain of dielectric-slab (1)；The magnetic resonance structure (2) is corresponded with the electric resonance structure (3) for being set to dielectric-slab (1) back side.The present invention is capable of the loosening situation of real-time monitoring cladding glass, is able to achieve non-destructive monitoring, can will loosen situation quantization, and monitoring accuracy, sensitivity are high, monitor simple and convenient.
Description
Technical field
The present invention relates to building monitoring field, especially a kind of curtain wall loosens monitoring sensor, monitoring system and monitoring side
Method.
Background technique
As current construction industry is grown rapidly, the curtain wall glass structure demand of all kinds of beauties is rapidly increased.But thus
Cladding glass after the aging of cladding glass silicone adhesive or external force is brought to loosen, fall off and cause the probability of serious accident continuous
Increase, cladding glass becomes the Damocles sword for hanging on city overhead, brings to the life financial security of the people huge
Big hidden danger.Moreover, still loosening the effective way of failure without a kind of effectively reliable real-time monitoring cladding glass on the market at present.
At the same time, the development of cladding glass and the various structures amplified out are varied, and variation is abundant, give cladding glass
Loosening monitoring propose the requirement of highly difficult complexity.
Summary of the invention
The object of the present invention is to provide a kind of curtain walls to loosen monitoring sensor, monitoring system and monitoring method.The present invention
It is capable of the loosening situation of real-time monitoring cladding glass, is able to achieve non-destructive monitoring, can will loosens situation quantization, monitor accuracy, spirit
Quick property is high, monitors simple and convenient.
Technical solution of the present invention.A kind of curtain wall loosens monitoring sensor, including stretchable dielectric-slab, dielectric-slab
Magnetic resonance structure and electric resonance structure is distributed on front and back respectively；The magnetic resonance structure and electric resonance structure can edge
The draw direction stretcher strain of dielectric-slab；The magnetic resonance structure and the electric resonance structure one for being set to medium back are a pair of
It answers.
Curtain wall above-mentioned loosens in monitoring sensor, and the magnetic resonance structure and electric resonance structure are multiple and are in matrix form
Arrangement.
Curtain wall above-mentioned loosens in monitoring sensor, and the magnetic resonance structure is to two fractal structures being nested with；
The fractal structure includes rectangular metal patch, and the diamond shape shrinkage pool of hollow out is equipped with inside rectangular metal patch；Described is inside
Nesting, which is that diamond shape shrinkage pool is embedded, is cased with next fractal structure.
Curtain wall above-mentioned loosens in monitoring sensor, and the vertex of the diamond shape shrinkage pool is located at the side length of rectangular metal patch
Midpoint.
Curtain wall above-mentioned loosens in monitoring sensor, and the magnetic resonance structure can also be the rectangular metal of internal hollow out
Ring.
Curtain wall above-mentioned loosens in monitoring sensor, and the electric resonance structure is two orthogonal metal micro-strips.
Curtain wall above-mentioned loosens in monitoring sensor, wherein metal micro-strip described in one and horizontal direction angle are 45 °.
Curtain wall above-mentioned loosens in monitoring sensor, wherein metal micro-strip described in one is horizontally disposed.
The monitoring system that constitutes of monitoring sensor is loosened by curtain wall above-mentioned, further include for launch monitor wireless signal and
Receive the microwave antenna of the wireless feedback signal from monitoring sensor.
The monitoring method of monitoring system above-mentioned carries out in the steps below:
A. the resonance frequency point for mapping out the monitoring sensor stretches the spy that variable quantity drifts about with the monitoring sensor
Linearity curve；
B. monitoring sensor one end is fixedly arranged on cladding glass, the other end is fixedly arranged on the Curtain wall frame of installation cladding glass
On；
C. monitoring sensor emission wireless monitor signal of the microwave antenna to step b is used, and receives and is passed from the monitoring
The wireless feedback signal of sensor obtains corresponding resonance frequency point according to the wireless feedback signal, which is compareed step a
Characteristic curve, that is, know monitor sensor stretcher strain variable quantity, and then know cladding glass loosen situation.
Beneficial effect
Compared with prior art, be distributed with respectively in the front, rear surface of stretchable dielectric-slab can be along Jie by the present invention
The magnetic resonance structure and electric resonance structure of the draw direction stretcher strain of scutum, magnetic resonance structure and are set to medium back
Electric resonance structure corresponds；The monitoring sensor of the structure is fixedly arranged between cladding glass and Curtain wall frame, and then being capable of root
According to electro magnetic resonance structure with the characteristic between the amount of tension of dielectric-slab and the drift value for the resonance frequency point for monitoring sensor reflection parameters
Curve determines the loosening situation of cladding glass；With this configuration, it can not only realize that cladding glass loosens the non-destructive monitoring of situation,
And more enough characteristic curves according to monitoring sensor quantify to situation is loosened, and effectively increase monitoring accuracy.In addition to this,
Monitoring system of the invention can be emitted in real time wireless monitor signal by microwave antenna and be received from monitoring sensor
Wireless feedback signal, corresponding resonance frequency point is obtained by feedback signal, and then learn loosening situation, which effectively realizes
Cladding glass loosens the real-time monitoring of situation, and monitoring method is simple and convenient.The planarization electricity of monitoring sensor of the invention
Line structure is also able to achieve integrated with other microwave circuits, to realize the miniaturization of monitoring sensor, has small in size, power consumption
It is low, detection sensitivity is high, external interference resistance is strong, is easy to the advantages such as highly integrated, thus current Internet of Things can be better adapted to
The development of network technology.
The electromagnetism field energy of the height localization of electric resonance structure, magnetic resonance structure generation of the invention effectively avoids extraneous electricity
Interference of the magnetic field to monitoring sensor detection accuracy, detectivity and the linearity, to realize real-time, efficient, low cost
Detection.
In order to prove beneficial effects of the present invention, applicant carried out following experiments:
Experimental example 1.
1.1 experiment equipment
Monitor sample sensor A, unmanned vehicle, microwave antenna；
The structure of the monitoring sample sensor A of this experimental example is following (referring to figures 1-4):
Stretchable dielectric-slab is PET flexible media plate, dielectric constant 3.00；Magnetic resonance structure and electric resonance structure
It is arranged on the two sides of dielectric-slab in 8 row, 11 column matrix formula.Electric resonance structure is two orthogonal isometric wide metal micro-strips,
In metal micro-strip and horizontal direction angle be 45 °.Magnetic resonance structure is to two fractal structures being nested with.Fractal structure
Including rectangular metal patch, the diamond shape shrinkage pool of hollow out is equipped with inside rectangular metal patch；To the structure being nested with specifically, diamond shape
Shrinkage pool is embedded to be cased with next fractal structure.The vertex of diamond shape shrinkage pool is located at the midpoint of the side length of rectangular metal patch；The electricity
Resonance structure is corresponded with the magnetic resonance structure for being set to dielectric-slab another side.
The size such as table 1 of the monitoring sample sensor A of this experimental example.
Table 1
1.2 experimental method
The both ends (both ends A, B of such as Fig. 1) for monitoring sample sensor A are fixedly arranged on cladding glass and installation curtain wall glass respectively
On the Curtain wall frame of glass；Draw direction along monitoring sample sensor A draws cladding glass and Curtain wall frame simultaneously, senses monitoring
Device sample A stretcher strain；At this point, using microwave antenna to monitoring sensor emission wireless monitor signal, and receive and come from the prison
The wireless feedback signal for surveying sensor, obtains corresponding resonance frequency point according to the wireless feedback signal；It is passed at this point, mapping out monitoring
Characteristic curve between sensor sample A stretcher strain amount and corresponding resonance frequency point.
1.3 interpretation of result
In drawing process, the curve that the working curve of monitoring sample sensor A changes with stretcher strain amount is as shown in Figure 5:
In Fig. 5, horizontal axis is resonance frequency, and the longitudinal axis is monitoring sample sensor A parameter, and arrow direction is that amount of tension increases corresponding work
Curve movement direction.
In drawing process, stretcher strain amount and the characteristic curve between corresponding resonance frequency point of sample sensor A are monitored such as
Shown in Fig. 6: in Fig. 6, horizontal axis is amount of tension percentage, and the longitudinal axis is resonance frequency.
As shown in Figure 5, the characteristic that the resonance frequency point of monitoring sample sensor A drifts about with stretcher strain variable quantity is good
It is good, and continuous translation occurs with stretcher strain variable quantity in it.It will be appreciated from fig. 6 that resonance frequency point is with drawing in 20% deformation degree
Extraordinary linear characteristic is presented in the variation for stretching deflection, and it can be calculated that sensor is with 1% tensile deformation, resonance at this time
Frequency point drift value is 83.2MHz, has extraordinary detectivity.Linear relationship then shows can be by its frequency point drift value
Accurately instead release the aeration level of cladding glass.
Fig. 7 illustrates the front vertical surface electric field distribution that monitoring sample sensor A works in tensionless winkler foundation 7.723GHz.
Fig. 8 illustrates back side vertical electric field distribution of the monitoring sample sensor A work in tensionless winkler foundation 7.723GHz.Fig. 9 is prison
Survey the front vertical Surface field distribution schematic diagram that sample sensor A works in tensionless winkler foundation 7.723GHz.Figure 10 is that monitoring passes
The back side vertical surface Distribution of Magnetic Field schematic diagram that sensor sample A works in tensionless winkler foundation 7.723GHz.
To monitoring sample sensor A, the surface electric field distribution when tensionless winkler foundation amount, and when working in 7.722GHz is calculated,
As a result as shown in Figure 7 and Figure 8.Surface field distribution when working in 7.722GHz to monitoring sample sensor A calculates, as a result
As shown in Figure 9 and Figure 10.It is learnt by Fig. 7-Figure 10, the monitoring sample sensor A is when resonance frequency point works, electric field energy, magnetic
Field energy is mainly concentrated near electric, magnetic resonance structure, has maximum detectivity at resonance frequency point, moreover, height local
The electromagnetic field of change also may make the ability of monitoring sensor electromagnetism interference to greatly reinforce.
In addition, inventor has found after carrying out a large number of experiments, when the magnetic resonance structure is two-stage fractal structure, electric resonance knot
Monitoring sensor has good sensitivity when structure is mutually orthogonal metal micro-strip.
Experimental example 2
2.1 experiment equipment
Monitor sample sensor A ', unmanned vehicle, microwave antenna；
The structure of the monitoring sample sensor A ' of this experimental example is following (referring to Figure 11-Figure 14):
Stretchable dielectric-slab is PET flexible media plate, dielectric constant 3.00；Magnetic resonance structure and electric resonance structure
It is arranged on the two sides of dielectric-slab in 8 row, 11 column matrix formula.Magnetic resonance structure is the rectangular metal ring of internal hollow out, electric resonance structure
For two orthogonal isometric wide metal micro-strips, wherein a metal micro-strip is horizontally disposed.The electric resonance structure with set
The magnetic resonance structure for being placed in dielectric-slab another side corresponds.
The size such as table 2 of the monitoring sample sensor A ' of this experimental example.
Table 2
2.2 experimental method
The both ends for monitoring sample sensor A ' are fixedly arranged on respectively on the Curtain wall frame of cladding glass and installation cladding glass；
Draw direction along monitoring sample sensor A ' draws cladding glass and Curtain wall frame simultaneously, makes to monitor sample sensor A ' and stretch to become
Shape；At this point, using microwave antenna to monitoring sensor emission wireless monitor signal, and receive from the wireless of the monitoring sensor
Feedback signal obtains corresponding resonance frequency point according to the wireless feedback signal；It is stretched at this point, mapping out monitoring sample sensor A '
Characteristic curve between deflection and corresponding resonance frequency point.
2.3 interpretation of result
In drawing process, curve such as Figure 15 institute that the working curve of sample sensor A ' changes with stretcher strain amount is monitored
Show: Tu15Zhong, horizontal axis are resonance frequency, and the longitudinal axis is monitoring sample sensor A ' parameter, and arrow direction is that amount of tension increases correspondence
Working curve moving direction.
In drawing process, stretcher strain amount and the characteristic curve between corresponding resonance frequency point of sample sensor A ' are monitored such as
Shown in Figure 16: Tu16Zhong, horizontal axis are amount of tension percentage, and the longitudinal axis is resonance frequency.
As shown in Figure 15, the characteristic that the resonance frequency point of monitoring sample sensor A ' drifts about with stretcher strain variable quantity is good
It is good, and continuous translation occurs with stretcher strain variable quantity in it.As shown in Figure 16, in 20% deformation degree, resonance frequency point with
Extraordinary linear characteristic, linearity R is presented in the variation of stretcher strain amount2> 0.99, and it can be calculated that sensor at this time
With 1% tensile deformation, resonance frequency point drift value is 79.6MHz, has extraordinary detectivity.Linear relationship then shows
The aeration level of cladding glass accurately can be instead released by its frequency point drift value.
Detailed description of the invention
Fig. 1 is the positive structure schematic of the monitoring sample sensor A of experimental example 1；
Fig. 2 is the structure schematic diagram of the monitoring sample sensor A of experimental example 1；
Fig. 3 is the magnetic resonance structure schematic diagram of experimental example 1；
Fig. 4 is the electric resonance structure schematic diagram of experimental example 1.
Fig. 5 is the relationship for monitoring the S11 working curve of sample sensor A in experimental example 1 and changing with amount of tension；
Fig. 6 is the resonance frequency point that sample sensor A is monitored in experimental example 1 and the relation curve schematic diagram of amount of tension；
Fig. 7 is the front vertical surface field that monitoring sample sensor A works in tensionless winkler foundation 7.723GHz in experimental example 1
Distribution schematic diagram；
Fig. 8 is the back side vertical electric field that monitoring sample sensor A works in tensionless winkler foundation 7.723GHz in experimental example 1
Distribution schematic diagram；
Fig. 9 is the front vertical Surface field that monitoring sample sensor A works in tensionless winkler foundation 7.723GHz in experimental example 1
Distribution schematic diagram；
Figure 10 is the back side vertical surface magnetic that monitoring sample sensor A works in tensionless winkler foundation 7.723GHz in experimental example 1
Field distribution schematic diagram.
Figure 11 is the positive structure schematic of the monitoring sample sensor A ' of experimental example 2；
Figure 12 is the structure schematic diagram of the monitoring sample sensor A ' of experimental example 2；
Figure 13 is the magnetic resonance structure schematic diagram of experimental example 2；
Figure 14 is the electric resonance structure schematic diagram of experimental example 2；
Figure 15 is the relationship for monitoring the S11 reflectivity curve of sample sensor A ' in experimental example 2 and changing with amount of tension；
Figure 16 is the resonance frequency point that sample sensor A ' is monitored in experimental example 2 and the relation curve schematic diagram of amount of tension.
Appended drawing reference: 1- dielectric-slab, 2- magnetic resonance structure, 21- rectangular metal patch, 21 '-rectangular metal rings, 22- diamond shape
Shrinkage pool, 3- electric resonance structure, 31- metal micro-strip.
Specific embodiment
Below with reference to embodiment, the present invention is further illustrated, but is not intended as the foundation limited the present invention.
Embodiment 1.A kind of curtain wall loosening monitoring sensor, is constituted as shown in Figs 1-4, including stretchable dielectric-slab 1, Jie
Magnetic resonance structure 2 and electric resonance structure 3 is distributed on the front and back of scutum 1 respectively；The magnetic resonance structure 2 and electric resonance
Structure 3 can be along the draw direction stretcher strain of dielectric-slab 1；The magnetic resonance structure 2 and the electricity for being set to 1 back side of dielectric-slab
Resonance structure 3 corresponds.
Magnetic resonance structure 2 above-mentioned and electric resonance structure 3 are multiple and are in matrix arrangement.As illustrated in fig. 1 and 2, this reality
Apply in example is 8 rows 11 column in matrix arrangement.
Magnetic resonance structure 2 above-mentioned is to two fractal structures being nested with；The fractal structure (referring to Fig. 3) includes
Rectangular metal patch 21 is equipped with the diamond shape shrinkage pool 22 of hollow out inside rectangular metal patch 21；It is described to being nested with as diamond shape is recessed
Hole 22 is embedded to be cased with next fractal structure.
The vertex of diamond shape shrinkage pool 22 above-mentioned is located at the midpoint of the side length of rectangular metal patch 21.
Electric resonance structure 3 above-mentioned is two orthogonal metal micro-strips 31.
Wherein metal micro-strip 31 described in one and horizontal direction angle are 45 °.
The dielectric constant of dielectric-slab 1 above-mentioned is 3~5；It is 3~5 flexible extensible PET material that dielectric constant, which such as can be used,
Material is used as dielectric-slab 1.
Specifically, the row of matrix arrangement above-mentioned and/or the gap periods p on column direction are that 0.5mm~5mm is (optimal
For 4mm)；Magnetic resonance structure 2 is to two fractal structures being nested with；Rectangular metal patch 21 in outermost fractal structure
Length and/or width (i.e. a and/or b) be 0.05mm~3mm (optimal is 2mm)；Two orthogonal metals of electric resonance structure 3 are micro-
31 equal length of band, the long b1 of metal micro-strip 31 are 0.05mm~4mm (optimal is 2mm), and wide b2 is that 0.05mm~3mm is (optimal
For 0.4mm)；Gap is maintained between adjacent electric resonance structure 3 and/or magnetic resonance structure 2 in matrix arrangement.
It is a kind of to loosen the monitoring system that monitoring sensor is constituted by curtain wall above-mentioned, it further include for launch monitor wireless communication
Number and receive from monitoring sensor wireless feedback signal microwave antenna.Specifically, microwave antenna can be loaded into nothing
On people's aircraft；At this point, microwave antenna can be transported to each cladding glass by unmanned vehicle with monitor its loosen situation,
It is convenient using simpler, flexibly, and it can be realized the monitoring of large area.
The monitoring method of monitoring system above-mentioned carries out in the steps below:
A. the resonance frequency point for mapping out the monitoring sensor stretches the spy that variable quantity drifts about with the monitoring sensor
Linearity curve；
B. monitoring sensor one end is fixedly arranged on cladding glass, the other end is fixedly arranged on the Curtain wall frame of installation cladding glass
On；
C. monitoring sensor emission wireless monitor signal of the microwave antenna to step b is used, and receives and is passed from the monitoring
The wireless feedback signal of sensor obtains corresponding resonance frequency point according to the wireless feedback signal, which is compareed step a
Characteristic curve, that is, know monitor sensor stretcher strain variable quantity, and then know cladding glass loosen situation.It can also be by microwave
Antenna is loaded on unmanned vehicle, to facilitate the loosening situation for monitoring a wide range of cladding glass.
Embodiment 2.A kind of curtain wall loosening monitoring sensor, is constituted as illustrated in figs. 11-14, including stretchable dielectric-slab 1,
Magnetic resonance structure 2 and electric resonance structure 3 is distributed on the front and back of dielectric-slab 1 respectively；The magnetic resonance structure 2 and electricity are humorous
Structure 3 of shaking can be along the draw direction stretcher strain of dielectric-slab 1；The magnetic resonance structure 2 and it is set to 1 back side of dielectric-slab
Electric resonance structure 3 corresponds.
Magnetic resonance structure 2 above-mentioned and electric resonance structure 3 are multiple and are in matrix arrangement.
Magnetic resonance structure 2 above-mentioned is the rectangular metal ring 21 ' of internal hollow out.
Electric resonance structure 3 above-mentioned is two orthogonal metal micro-strips 31.
Wherein metal micro-strip 31 described in one is horizontally disposed.
The dielectric constant of dielectric-slab 1 above-mentioned is 3~5；It is 3~5 flexible extensible PET material that dielectric constant, which such as can be used,
Material is used as dielectric-slab 1.
Specifically, the row of matrix arrangement above-mentioned and/or the gap periods p ' on column direction are that 0.5mm~5mm is (optimal
For 4mm)；The side length a ' of the rectangular metal ring 21 ' of magnetic resonance structure 2 is 0.05mm~3mm (optimal is 2mm), rectangular metal ring
21 ' ring width b ' is 0.05mm~3mm (optimal is 0.4mm)；Orthogonal 31 length of metal micro-strip of two of electric resonance structure 3
B1 ' is equal, and the long b1 ' of metal micro-strip 31 is 0.05mm~4mm (optimal is 2mm), and wide b2 ' is that 0.05mm~3mm is (optimal to be
0.4mm)；Gap is maintained between adjacent electric resonance structure 3 and/or magnetic resonance structure 2 in matrix arrangement.
It is a kind of to loosen the monitoring system that monitoring sensor is constituted by curtain wall above-mentioned, it further include for launch monitor wireless communication
Number and receive from monitoring sensor wireless feedback signal microwave antenna.Specifically, microwave antenna can be loaded into nothing
On people's aircraft；At this point, microwave antenna can be transported to each cladding glass by unmanned vehicle with monitor its loosen situation,
It is convenient using simpler, flexibly, and it can be realized the monitoring of large area.
The monitoring method of monitoring system above-mentioned carries out in the steps below:
A. the resonance frequency point for mapping out the monitoring sensor stretches the spy that variable quantity drifts about with the monitoring sensor
Linearity curve；
B. monitoring sensor one end is fixedly arranged on cladding glass, the other end is fixedly arranged on the Curtain wall frame of installation cladding glass
On；
C. monitoring sensor emission wireless monitor signal of the microwave antenna to step b is used, and receives and is passed from the monitoring
The wireless feedback signal of sensor obtains corresponding resonance frequency point according to the wireless feedback signal, which is compareed step a
Characteristic curve, that is, know monitor sensor stretcher strain variable quantity, and then know cladding glass loosen situation.It can also be by microwave
Antenna is loaded on unmanned vehicle, to facilitate the loosening situation for monitoring a wide range of cladding glass.
Claims (10)
1. a kind of curtain wall loosens monitoring sensor, which is characterized in that including stretchable dielectric-slab (1), dielectric-slab (1) just,
Magnetic resonance structure (2) and electric resonance structure (3) is distributed on the back side respectively；The magnetic resonance structure (2) and electric resonance structure
It (3) can be along the draw direction stretcher strain of dielectric-slab (1)；The magnetic resonance structure (2) and it is set to dielectric-slab (1) back side
Electric resonance structure (3) correspond.
2. curtain wall according to claim 1 loosens monitoring sensor, which is characterized in that the magnetic resonance structure (2) and electricity
Resonance structure (3) is multiple and is in matrix arrangement.
3. curtain wall according to claim 1 or 2 loosens monitoring sensor, which is characterized in that the magnetic resonance structure (2)
For to two fractal structures being nested with；The fractal structure includes rectangular metal patch (21), rectangular metal patch (21)
Inside is equipped with the diamond shape shrinkage pool (22) of hollow out；It is described to being nested with as diamond shape shrinkage pool (22) is embedded to be cased with next fractal structure.
4. curtain wall according to claim 3 loosens monitoring sensor, which is characterized in that the top of the diamond shape shrinkage pool (22)
Point is located at the midpoint of the side length of rectangular metal patch (21).
5. curtain wall according to claim 1 or 2 loosens monitoring sensor, which is characterized in that the magnetic resonance structure (2)
For the rectangular metal ring (21 ') of internal hollow out.
6. curtain wall according to claim 1 or 2 loosens monitoring sensor, which is characterized in that the electric resonance structure (3)
For two orthogonal metal micro-strips (31).
7. curtain wall according to claim 6 loosens monitoring sensor, which is characterized in that wherein metal micro-strip described in one
It (31) is 45 ° with horizontal direction angle.
8. curtain wall according to claim 6 loosens monitoring sensor, which is characterized in that wherein metal micro-strip described in one
(31) it is horizontally disposed with.
9. a kind of loosened the monitoring system that monitoring sensor is constituted by the described in any item curtain walls of claim 1-8, feature exists
In the monitoring system further includes for launch monitor wireless signal and receiving the micro- of the wireless feedback signal from monitoring sensor
Wave antenna.
10. a kind of monitoring method of monitoring system as claimed in claim 9, which is characterized in that carry out in the steps below:
A. the resonance frequency point for mapping out the monitoring sensor stretches the characteristic song that variable quantity drifts about with the monitoring sensor
Line；
B. monitoring sensor one end is fixedly arranged on cladding glass, the other end is fixedly arranged on the Curtain wall frame of installation cladding glass；
C. monitoring sensor emission wireless monitor signal of the microwave antenna to step b is used, and receives and comes from the monitoring sensor
Wireless feedback signal, obtain corresponding resonance frequency point according to the wireless feedback signal, by the resonance frequency point control step a spy
Linearity curve knows to monitor sensor stretcher strain variable quantity, and then know that cladding glass loosens situation.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112556564A (en) * | 2020-12-01 | 2021-03-26 | 同济大学 | Passive wireless deformation sensor and monitoring system based on double-layer patch antenna |
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