CN115127659B - Structure health monitoring system based on fiber grating, production method and use method - Google Patents
Structure health monitoring system based on fiber grating, production method and use method Download PDFInfo
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- CN115127659B CN115127659B CN202210669826.1A CN202210669826A CN115127659B CN 115127659 B CN115127659 B CN 115127659B CN 202210669826 A CN202210669826 A CN 202210669826A CN 115127659 B CN115127659 B CN 115127659B
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- 230000036541 health Effects 0.000 title claims abstract description 23
- 238000012544 monitoring process Methods 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000000835 fiber Substances 0.000 title claims abstract description 10
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 10
- 230000001105 regulatory effect Effects 0.000 claims abstract description 23
- 238000007599 discharging Methods 0.000 claims abstract description 13
- 238000003466 welding Methods 0.000 claims description 22
- 238000001514 detection method Methods 0.000 claims description 14
- 238000003860 storage Methods 0.000 claims description 13
- 230000017525 heat dissipation Effects 0.000 claims description 8
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- -1 polyethylene Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 238000010079 rubber tapping Methods 0.000 claims description 3
- 239000010409 thin film Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 230000009467 reduction Effects 0.000 claims description 2
- 230000008569 process Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 5
- 238000005496 tempering Methods 0.000 description 6
- 230000005855 radiation Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000000071 blow moulding Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G23/00—Auxiliary devices for weighing apparatus
- G01G23/48—Temperature-compensating arrangements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G9/00—Methods of, or apparatus for, the determination of weight, not provided for in groups G01G1/00 - G01G7/00
Abstract
The invention discloses a structural health monitoring system based on fiber bragg gratings, a production method and a use method thereof, and belongs to the technical field of fiber optic sensing. The structural health monitoring system comprises: the temperature regulating device comprises a connecting pipe, a plurality of sensors, a temperature regulating channel and a temperature regulating component, wherein the temperature regulating channel for accommodating a temperature regulating medium is formed in the connecting pipe, the sensors are connected with the connecting pipe, the feeding end of the temperature regulating component is communicated with one end of the temperature regulating channel, and the discharging end of the temperature regulating component is communicated with the other end of the temperature regulating component. According to the invention, the plurality of sensors are connected together by using the connecting pipes, so that the problem of omission caused by large counting workload in the installation or dismantling process of a distributed structure in the prior art is solved, and the temperature adjusting medium can flow through the cooperation of the connecting pipes and the temperature adjusting component, so that the effect of adjusting the temperature of the sensors at different positions is achieved, and the problem of larger measuring result error caused by the influence of the temperature on the sensors at different positions is solved.
Description
Technical Field
The invention belongs to the technical field of optical fiber sensing, and particularly relates to a structural health monitoring system based on an optical fiber grating, a production method and a use method.
Background
The existing building needs to use fiber grating sensors to monitor the weighing system related data of the building in the building and transformation process, so that the building is timely remedied or people are evacuated when the building data are abnormal, however, in the building with larger length such as a tunnel or a foundation pit, the number of the fiber grating sensors needed in the building with larger length such as the tunnel or the foundation pit is larger, and the electrical structures are mostly matched in parallel, so that the mechanical structure is a distributed structure, and the problem of omission caused by large counting workload in the process of installation or dismantling is caused due to the distributed structure with larger number, and the problem of larger measuring result error of the sensors at two ends of the building caused by larger temperature difference at two ends of the building is caused due to larger span of the building.
Disclosure of Invention
The invention aims to: the structural health monitoring system, the production method and the use method can solve the problem of omission caused by large counting workload and the problem of larger measurement result error caused by temperature influence of different position sensors, and solve the problems in the prior art.
The technical scheme is as follows: in a first aspect, a fiber bragg grating-based structural health monitoring system comprises: the connecting pipe is provided with a temperature adjusting channel for accommodating temperature adjusting media.
And the sensors are connected with the connecting pipes.
And the feeding end of the temperature adjusting component is communicated with one end of the connecting pipe, and the discharging end of the temperature adjusting component is communicated with the other end of the connecting pipe.
When the temperature control device works, the connecting pipe is fixed at a preset position of a building in a preset path, the temperature control component drives the temperature control medium to circulate in the temperature control channel, and the temperature control component adjusts the temperature of the temperature control medium.
In a further embodiment of the first aspect, the connecting tube further comprises: and the plurality of mounting holes are formed in the preset positions of the connecting pipes.
The sensor is connected with the mounting hole.
The temperature adjusting channel is spaced from the inner wall of the mounting hole by a preset distance, and the spacing error of the sensor can be controlled within a preset range before the sensor is mounted through the connecting pipe with the plurality of mounting holes at the preset position.
In a further embodiment of the first aspect, the connecting pipe is formed by welding at least two pipes, and a welding part is arranged between two adjacent pipes.
The mounting hole is formed in the welding portion, the sensor is connected with the welding portion, and when the pipeline is inflated, the outer wall of the pipeline can be abutted to the sensor, so that a good temperature adjusting effect is achieved.
In a further embodiment of the first aspect, the structural health monitoring system comprises at least two temperature regulating assemblies arranged at a predetermined distance apart.
The temperature adjustment assembly includes: and the feeding end of the storage box is communicated with the temperature adjusting channel.
And the feeding end of the circulating pump is communicated with the discharging end of the storage box.
And the feeding end of the radiator is communicated with the discharging end of the circulating pump, and the discharging end of the radiator is communicated with the temperature adjusting channel.
At least three temperature detecting elements are respectively arranged at the feeding end of the circulating pump, the feeding end and the discharging end of the radiator.
And the power control module is electrically connected with the circulating pump, the radiator and the temperature detection element.
When the temperature control device works, the power control module adjusts the power of the circulating pump and the radiator according to the temperature difference of the temperature detection element, the plurality of temperature adjusting components can shorten the length of each section of temperature adjusting channel, the problem that temperature change of a temperature adjusting medium is large in the conveying process is solved, the pressure required by long-distance transmission of fluid is overlarge, and the problem that the temperature adjusting channels are large in pressure bearing and damaged is solved.
In a further embodiment of the first aspect, an air suction channel is further provided in the connecting tube.
The structural health monitoring system further comprises: and the air inlet end of the vacuum generating device is communicated with the air suction channel.
And the air valves are arranged on one side of the connecting pipe and are communicated with the air suction channel.
The sucking disc is connected with the other end of the air valve, and the connecting pipe can be directly installed on a building by using the sucking disc through the air valve and the vacuum generating equipment and is quickly removed.
In a further embodiment of the first aspect, the connecting tube is a thin film tube made of polyethylene material.
In a second aspect, a method of production for a structural health monitoring system includes: s1, welding at least two pipelines together by using a thermal welding machine, and forming a connecting pipe with a welding part between two adjacent pipelines.
S2, marking the position of the sensor in the building by using simulation software.
And S3, lofting the position of the sensor on the connecting pipe, and marking the position of the mounting hole on the connecting pipe.
And S4, guiding out a connecting pipe drawing marked with the position of the mounting hole, forming the mounting hole at the preset position of the welding part by using a tapping machine according to the connecting pipe drawing, marking the position of the sensor in the building by using simulation software, customizing the connecting pipe with the mounting hole according to the position of the sensor, and controlling the spacing error of the sensor in a preset range before installing the sensor.
In a third aspect, a method of using a structural health based monitoring system includes: A1. the sensor is connected to the connecting tube.
A2. Starting the circulating pump and adjusting the power of the circulating pump to enable the connecting pipe to be inflated, and enabling the outer wall of the connecting pipe to be abutted with the outer wall of the sensor.
A3. When the temperature detection element at the feeding end of the circulating pump or the feeding end of the radiator detects that the temperature of the temperature regulating medium in the connecting pipe rises beyond a preset range, the power control module sends a heat dissipation power increasing signal to the radiator so as to increase the heat dissipation power of the radiator and keep the temperature of the temperature regulating medium in the connecting pipe within the preset range.
A4. When the temperature detection element at the feeding end of the circulating pump or the feeding end of the radiator detects that the temperature of the temperature regulating medium in the connecting pipe is reduced to be within a preset range, the power control module sends a heat dissipation power reduction signal to the radiator, so that the heat dissipation power of the radiator is reduced, and the temperature of the temperature regulating medium in the connecting pipe is kept within the preset range.
The beneficial effects are that: the invention discloses a structural health monitoring system based on fiber bragg gratings, a production method and a use method, wherein a plurality of sensors are connected together by using connecting pipes, so that the problem that counting workload is large and missing is caused when a distributed structure in the prior art is installed or removed is solved, and a temperature adjusting medium can flow through the cooperation of the connecting pipes and a temperature adjusting component, so that the effect of adjusting the temperature of the sensors at different positions within a preset range is achieved, and the problem that the measuring result error is larger due to the influence of the temperature of the sensors at different positions is solved.
Compared with the technical scheme that the algorithm is used for adjusting the detection value of the sensor according to the ambient temperature in the prior art, the method and the device can keep the ambient temperature of the sensor relatively constant, and solve the problem that the distortion rate is high after the algorithm is used for adjusting the detection value of the sensor according to the ambient temperature in the prior art when the difference between the ambient temperature and the use temperature of the sensor is large.
Drawings
Fig. 1 is a schematic diagram of an assembled shaft of the present invention.
Fig. 2 is a partial isometric view of a connection tube of the present invention.
Fig. 3 is a schematic view of an embodiment of the present invention using a screw to fix the sensor and the connection tube.
Fig. 4 is a schematic diagram of a connection principle of a temperature adjusting component and a temperature adjusting channel according to the invention.
Figure 5 is a schematic view of an embodiment of the present invention using a suction cup to secure a connecting tube.
The reference numerals shown in fig. 1 to 5 are: the air conditioner comprises a connecting pipe 1, a sensor 2, a temperature adjusting component 3, a vacuum generating device 4, an air valve 5, a sucker 6, a temperature adjusting channel 11, a mounting hole 12, a welding part 13, an air suction channel 14, a storage box 31, a circulating pump 32, a radiator 33, a temperature detecting element 34 and a power control module 35.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the invention may be practiced without one or more of these details. In other instances, well-known features have not been described in detail in order to avoid obscuring the invention.
The invention discloses a structural health monitoring system, a production method and a use method, which can solve the problem of omission caused by large counting workload and the problem of larger measurement result error caused by temperature influence of different position sensors.
In a first aspect, the structural health monitoring system comprises: a connecting pipe 1, a plurality of sensors 2 and a temperature adjusting component 3.
The connecting pipe 1 is provided with a temperature adjusting channel 11 for accommodating temperature adjusting media, and the connecting pipe 1 is a flexible pipeline, so that the position of the connecting pipe on a building can be adjusted at will according to the requirement.
The sensor 2 is connected to the connection pipe 1, and in the embodiment shown in fig. 1 and 3, the sensor 2 is fixed to one side of the connection pipe 1, and the other side of the connection pipe 1 is fixed to a building by sequentially passing through the end of the sensor 2, the connection pipe 1, and the building using screws or bolts.
The feeding end of the temperature regulating component 3 is communicated with one end of the connecting pipe 1, and the discharging end is communicated with the other end of the connecting pipe 1.
Working principle: in operation, the connecting pipe 1 is fixed at a predetermined position of a building in a predetermined path, the temperature adjusting component 3 drives the temperature adjusting medium to circulate in the temperature adjusting channel 11, and the temperature adjusting component 3 adjusts the temperature of the temperature adjusting medium.
The use connecting pipe 1 links together a plurality of sensor 2, has solved prior art distributed architecture and has checked the problem that the work load is big when the installation or demolish and lead to omitting, through the cooperation of connecting pipe 1 and tempering subassembly 3, can make the tempering medium flow, and then reaches the effect of adjusting the temperature that different position sensors 2 received in the predetermined range.
Compared with the technical scheme that the algorithm is used for adjusting the detection value of the sensor 2 according to the ambient temperature in the prior art, the method and the device can keep the ambient temperature of the sensor 2 relatively constant, and solve the problem that the distortion rate is high after the algorithm is used for adjusting the detection value of the sensor 2 according to the ambient temperature in the prior art when the difference between the ambient temperature and the use temperature of the sensor 2 is large.
In a further embodiment of the first aspect, the connection tube 1 as shown in fig. 2 further comprises: a plurality of mounting holes 12.
The mounting hole 12 is opened at a predetermined position of the connection pipe 1.
The sensor 2 is connected to the mounting hole 12.
The temperature adjustment passage 11 is spaced apart from the inner wall of the mounting hole 12 by a predetermined distance.
The connecting pipe 1 with the plurality of mounting holes 12 is arranged at the preset position, so that the distance error of the sensor 2 can be controlled within a preset range before the sensor 2 is mounted, and the problems of omission and large mounting position error caused by large counting workload of the sensor 2 are solved.
In a further embodiment of the first aspect, as in the embodiment shown in fig. 2, the connecting tube 1 is formed by welding at least two tubes, with a weld 13 between adjacent two tubes.
The mounting hole 12 is opened in the welded portion 13, and the sensor 2 is connected to the welded portion 13.
Because the thickness of the fusion 13 is less than the diameter of the pipeline, when the pipeline is inflated, the outer wall of the pipeline can be abutted with the sensor 2, so that a better temperature adjusting effect is obtained, and the problem that the pipeline is damaged due to too close distance between the opening and the installation of the sensor 2 on the fusion 13 can be avoided.
In a further embodiment of the first aspect, during construction work of an ultra-long tunnel or foundation pit, the temperature change of the temperature adjusting medium is large in the conveying process due to the large span of the connecting pipe 1, and the pressure required for long-distance conveying of the fluid is excessive, so that the temperature adjusting channel 11 is damaged due to large pressure bearing.
In order to solve the above-mentioned problems, the structural health monitoring system comprises at least two tempering assemblies 3 arranged at a predetermined distance apart.
The temperature adjustment assembly 3 includes: a storage tank 31, a circulation pump 32, a radiator 33, at least three temperature detection elements 34, and a power control module 35.
The feed end of the storage tank 31 communicates with the tempering channel 11, which storage tank 31 is a water tank when the tempering medium is a liquid and which storage tank 31 is a gas tank as shown in fig. 4 when the tempering medium is a gas.
The feed end of the circulation pump 32 is communicated with the discharge end of the storage tank 31, and when the temperature-adjusting medium is liquid, the circulation pump 32 is a water pump, and when the temperature-adjusting medium is gas, the circulation pump 32 is an air pump.
The feed end of the radiator 33 is connected to the discharge end of the circulation pump 32, which is connected to the temperature-adjusting passage 11.
At least three temperature detecting elements 34 are respectively installed at the feeding end of the circulation pump 32, and the feeding end and the discharging end of the radiator 33.
The power control module 35 is electrically connected to the circulation pump 32, the radiator 33, and the temperature detecting element 34.
In the present embodiment, the storage tank 31 and the radiator 33 are communicated through the connecting pipe 1 between two different sets of temperature adjusting components 3.
In operation, the power control module 35 adjusts the power of the circulation pump 32 and the radiator 33 according to the temperature difference of the temperature detecting element 34.
In the present embodiment, the problem of large pressure fluctuation in the pipe when the operating frequencies of the two circulation pumps 32 are not uniform can be solved by the storage tank 31.
By arranging the radiator 33 at the discharge end of the circulation pump 32 and by means of at least three temperature detecting elements 34 and the power control module 35, the temperature adjusting medium can be heated by the working temperature of the circulation pump 32 itself, and the temperature adjusting medium is lowered to a predetermined value by the radiator 33, so that the temperature adjusting assembly 3 can be adjusted according to the existing temperature of the temperature adjusting medium in the temperature adjusting channel 11.
And a plurality of temperature adjusting components 3 can shorten the length of each section of temperature adjusting channel 11, solve the problem that temperature change is great in the transportation process of temperature adjusting medium, and the pressure required by long-distance transportation of fluid is too great, have the temperature adjusting channel 11 pressure-bearing great and damage the problem.
In a further embodiment of the first aspect, the existing sensors 2 are installed by using screws as shown in fig. 3, which has the problems of complex operation and high labor intensity.
In order to solve the above problem, as shown in the embodiment of fig. 5, the connecting tube 1 is further provided with an air suction channel 14.
The structural health monitoring system further comprises: the vacuum generating device 4, a plurality of air valves 5 and sucking discs 6.
The intake end of the vacuum generating device 4 communicates with the suction passage 14.
The air valve 5 is installed at one side of the connection pipe 1 and communicates with the suction passage 14.
The sucking disc 6 is connected with the other end of the air valve 5.
The connection pipe 1 can be quickly installed on a building and the connection pipe 1 can be quickly removed by directly using the suction cup 6 through the air valve 5 and the vacuum generating apparatus 4.
In this embodiment, the air valve 5 and the suction cup 6 are connected with the connecting tube 1 through rigid plastic or metal tubes to increase the stability of the connecting tube 1
In the present embodiment, it is also possible to use gas as the temperature adjusting medium, and the gas tank as the storage tank 31, and by using gas as the temperature adjusting medium, it is possible to reduce the dead weight of the connection pipe 1 to increase the stability of installation on a building.
In a further embodiment of the first aspect, the connecting tube 1 is a thin film tube made of polyethylene, which can be rapidly mass-produced into a predetermined shape of pipe by using a blow molding machine according to need, and has the advantages of light weight and not being easily broken.
In a second aspect, a method of production for a structural health monitoring system includes: s1, welding at least two pipelines together by using a thermal welding machine, and forming a connecting pipe 1 with a welding part 13 between two adjacent pipelines.
S2, marking the position of the sensor 2 in the building by using simulation software.
And S3, lofting the position of the sensor 2 on the connecting pipe 1, and marking the position of the mounting hole 12 on the connecting pipe 1.
S4, guiding out a drawing of the connecting pipe 1 marked with the position of the mounting hole 12, and opening the mounting hole 12 at a preset position of the welding part 13 by using a tapping machine according to the drawing of the connecting pipe 1.
The position of the sensor 2 in the building is marked by simulation software, the connecting pipe 1 with the mounting hole 12 is customized according to the position of the sensor 2, the spacing error of the sensor 2 can be controlled within a preset range before the sensor 2 is mounted, and the problem of large mounting position error is solved.
In a third aspect, a method of using a structural health based monitoring system includes: A1. the sensor 2 is connected to the connection tube 1.
A2. The circulation pump 32 is started and the power of the circulation pump 32 is regulated to charge the inside of the connection pipe 1, so that the outer wall of the connection pipe 1 is abutted against the outer wall of the sensor 2.
A3. When the temperature detecting element 34 at the feeding end of the circulation pump 32 or the feeding end of the radiator 33 detects that the temperature of the temperature adjusting medium in the connecting pipe 1 rises beyond the predetermined range, the power control module 35 sends a heat radiation power increasing signal to the radiator 33 to increase the heat radiation power of the radiator 33, so that the temperature of the temperature adjusting medium in the connecting pipe 1 is kept within the predetermined range.
A4. When the temperature detecting element 34 at the feeding end of the circulation pump 32 or the feeding end of the radiator 33 detects that the temperature of the temperature adjusting medium in the connecting pipe 1 is lower than the predetermined range, the power control module 35 sends a heat radiation power lowering signal to the radiator 33, so that the heat radiation power of the radiator 33 is lowered, and the temperature of the temperature adjusting medium in the connecting pipe 1 is kept within the predetermined range.
As described above, although the present invention has been shown and described with reference to certain preferred embodiments, it is not to be construed as limiting the invention itself. Various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (4)
1. Structural health monitoring system based on fiber bragg grating, its characterized in that includes: a connecting pipe provided with a temperature adjusting channel for accommodating a temperature adjusting medium;
a plurality of sensors connected with the connecting pipes;
the temperature adjusting component is provided with a feeding end communicated with one end of the connecting pipe and a discharging end communicated with the other end of the connecting pipe;
when the temperature control device works, the connecting pipe is fixed at a preset position of a building in a preset path, the temperature control component drives a temperature control medium to circulate in the temperature control channel, and the temperature control component adjusts the temperature of the temperature control medium;
the connecting pipe further includes: a plurality of mounting holes arranged at preset positions of the connecting pipes;
the sensor is connected with the mounting hole;
the temperature adjusting channel is spaced from the inner wall of the mounting hole by a preset distance;
the connecting pipe is formed by welding at least two pipelines, and a welding part is arranged between two adjacent pipelines;
the mounting hole is formed in the welding part, and the sensor is connected with the welding part;
comprises at least two temperature regulating components arranged at intervals of a preset distance;
each of the temperature regulating assemblies includes:
the feeding end of the storage box is communicated with the temperature adjusting channel;
the feeding end of the circulating pump is communicated with the discharging end of the storage box;
the feeding end of the radiator is communicated with the discharging end of the circulating pump, and the discharging end of the radiator is communicated with the temperature regulating channel;
at least three temperature detection elements respectively arranged at the feeding end of the circulating pump, the feeding end and the discharging end of the radiator;
the power control module is electrically connected with the circulating pump, the radiator and the temperature detection element;
when the power control module works, the power of the circulating pump and the radiator is adjusted according to the temperature difference of the temperature detection element;
an air suction channel is also formed in the connecting pipe;
the structural health monitoring system further comprises: the air inlet end of the vacuum generating device is communicated with the air suction channel;
the air valves are arranged on one side of the connecting pipe and are communicated with the air suction channel;
the sucking disc is connected with the other end of the air valve.
2. The fiber grating based structural health monitoring system according to claim 1, wherein said connecting tube is a thin film tube made of polyethylene material.
3. A method of manufacturing a structural health monitoring system according to claim 1, comprising:
s1, welding at least two pipelines together by using a thermal welding machine, and forming a connecting pipe with a welding part between two adjacent pipelines;
s2, marking the position of the sensor in the building by using simulation software;
s3, lofting the position of the sensor on the connecting pipe, and marking the position of the mounting hole on the connecting pipe;
and S4, guiding out a connecting pipe drawing marked with the position of the mounting hole, and opening the mounting hole at the preset position of the welding part by using a tapping machine according to the connecting pipe drawing.
4. A method of using a structural health monitoring system according to claim 1, comprising:
A1. connecting the sensor with the connecting pipe;
A2. starting a circulating pump and adjusting the power of the circulating pump to enable the connecting pipe to be inflated, so that the outer wall of the connecting pipe is abutted with the outer wall of the sensor;
A3. when the temperature detection element at the feeding end of the circulating pump or the feeding end of the radiator detects that the temperature of the temperature regulating medium in the connecting pipe rises above a preset range, the power control module sends a heat dissipation power increasing signal to the radiator so as to increase the heat dissipation power of the radiator and keep the temperature of the temperature regulating medium in the connecting pipe within the preset range;
A4. when the temperature detection element at the feeding end of the circulating pump or the feeding end of the radiator detects that the temperature of the temperature regulating medium in the connecting pipe is reduced to be within a preset range, the power control module sends a heat dissipation power reduction signal to the radiator, so that the heat dissipation power of the radiator is reduced, and the temperature of the temperature regulating medium in the connecting pipe is kept within the preset range.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210669826.1A CN115127659B (en) | 2022-06-14 | 2022-06-14 | Structure health monitoring system based on fiber grating, production method and use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210669826.1A CN115127659B (en) | 2022-06-14 | 2022-06-14 | Structure health monitoring system based on fiber grating, production method and use method |
Publications (2)
| Publication Number | Publication Date |
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| CN115127659A CN115127659A (en) | 2022-09-30 |
| CN115127659B true CN115127659B (en) | 2024-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210669826.1A Active CN115127659B (en) | 2022-06-14 | 2022-06-14 | Structure health monitoring system based on fiber grating, production method and use method |
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| CN (1) | CN115127659B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010051946A1 (en) * | 2008-11-08 | 2010-05-14 | Sartorius Ag | Weighing cell and method for temperature control of a weighing cell |
| CN102879357A (en) * | 2012-10-11 | 2013-01-16 | 西安石油大学 | Micro-nano fiber bragg grating refractive index sensor and manufacturing method thereof |
| CN110631741A (en) * | 2019-09-18 | 2019-12-31 | 兰州大学 | Automatic and batch calibration system for fiber grating temperature sensors at ultralow temperature and large-amplitude temperature variation |
| CN112985477A (en) * | 2019-11-29 | 2021-06-18 | 梅吉特股份有限公司 | Optical sensor for measuring physical parameters in harsh environments and methods of making and using same |
-
2022
- 2022-06-14 CN CN202210669826.1A patent/CN115127659B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010051946A1 (en) * | 2008-11-08 | 2010-05-14 | Sartorius Ag | Weighing cell and method for temperature control of a weighing cell |
| CN102879357A (en) * | 2012-10-11 | 2013-01-16 | 西安石油大学 | Micro-nano fiber bragg grating refractive index sensor and manufacturing method thereof |
| CN110631741A (en) * | 2019-09-18 | 2019-12-31 | 兰州大学 | Automatic and batch calibration system for fiber grating temperature sensors at ultralow temperature and large-amplitude temperature variation |
| CN112985477A (en) * | 2019-11-29 | 2021-06-18 | 梅吉特股份有限公司 | Optical sensor for measuring physical parameters in harsh environments and methods of making and using same |
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| Publication number | Publication date |
|---|---|
| CN115127659A (en) | 2022-09-30 |
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