CN114087985A - Fiber grating displacement sensor with display and reutilization functions - Google Patents
Fiber grating displacement sensor with display and reutilization functions Download PDFInfo
- Publication number
- CN114087985A CN114087985A CN202111339084.8A CN202111339084A CN114087985A CN 114087985 A CN114087985 A CN 114087985A CN 202111339084 A CN202111339084 A CN 202111339084A CN 114087985 A CN114087985 A CN 114087985A
- Authority
- CN
- China
- Prior art keywords
- module
- deformation
- displacement sensor
- signal
- grating displacement
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention belongs to the technical field of displacement sensors, and discloses a reusable fiber grating displacement sensor with a display, which comprises: the device comprises a signal acquisition module, a signal conversion module, a wireless communication module, a central control module, a data processing module, a displacement sensing module, an anti-seismic protection module, an installation and fixation module, a data storage module and an update display module. According to the invention, the fiber bragg grating displacement sensor is provided with the fixing block and the display in a carrying manner, so that the display of the fiber bragg grating displacement sensor can be reused; the anti-seismic protection component is additionally arranged on the outer side of the fiber grating displacement sensor, so that when the sensor is used, the damage to the sensor caused by external collision and accidental falling can be effectively avoided; simultaneously the antidetonation protection component cover can avoid contacting with external corrosive substance in the outside for fiber grating displacement sensor can adapt to adverse environmental conditions.
Description
Technical Field
The invention belongs to the technical field of displacement sensors, and particularly relates to a fiber bragg grating displacement sensor with a display function and capable of being recycled.
Background
At present, a Fiber Grating Sensor (Fiber Grating Sensor) belongs to one of Fiber sensors, a sensing process based on Fiber gratings obtains sensing information by modulating the wavelength of Fiber Bragg (Bragg) through an external physical parameter, and the Fiber Grating Sensor is a wavelength modulation type Fiber Sensor, mainly comprises a Fiber Grating strain Sensor, a temperature Sensor, an acceleration Sensor, a displacement Sensor, a pressure Sensor, a flow Sensor, a liquid level Sensor and the like, and the displacement Sensor is also called as a linear Sensor. However, when the fiber grating displacement sensor is used, the sensor cannot be used in a severe environment due to poor shock resistance and corrosion resistance, so that the application range of the sensor is limited, and the display cannot be recycled. Therefore, a new fiber grating displacement sensor with a display and capable of being recycled is needed.
Through the above analysis, the problems and defects of the prior art are as follows: at present, when the fiber grating displacement sensor is used, the sensor cannot be used in a severe environment due to poor shock resistance and corrosion resistance, the application range of the sensor is limited, and the display cannot be recycled.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a fiber grating displacement sensor with a display function and capable of being recycled.
The invention is realized in this way, a reusable fiber grating displacement sensor with self-display, comprising:
the signal acquisition module is connected with the central control module and used for acquiring a deformation signal of the device to be measured through signal acquisition equipment and sending the signal to the signal conversion module through an optical cable;
the signal conversion module is connected with the central control module and used for receiving the deformation signal of the device to be measured in the optical cable through the signal conversion mechanism and converting the deformation signal into readable deformation information;
the wireless communication module is connected with the central control module and is used for sending the readable deformation information of the device to be measured to the central control module through the wireless communication device for subsequent coordination control;
the central control module is connected with the signal acquisition module, the signal conversion module, the wireless communication module, the data processing module, the displacement sensing module, the anti-seismic protection module, the installation fixing module, the data storage module and the updating display module and is used for coordinating and controlling the normal operation of each module of the fiber bragg grating displacement sensor with display and reusability through the central processing unit;
the data processing module is connected with the central control module and used for processing the readable deformation information of the device to be measured through a data processing program to obtain a deformation processing result;
the displacement perception module is connected with the central control module and used for perceiving the deformation and displacement of the device to be measured according to the deformation processing result through the fiber bragg grating displacement sensor, and the module comprises:
fixing the fiber bragg grating displacement sensor on the lower surface of the device to be tested; the laser light source array is composed of a group of laser light sources with determined wavelengths, and the wavelengths of the laser light sources are distributed according to an arithmetic progression;
irradiating the laser light source array on the fiber grating displacement sensor to obtain a spectral response curve of the fiber grating displacement sensor and a wavelength-current calibration result;
wherein, the calculation of the calibration result of the wavelength-current comprises the following steps:
in the formula, JsIs the reverse saturation current of the PN junction, q is the single electron electric quantity, k and T are the Boltzmann constant and the temperature respectively; r is a polar coordinate;
is the potential distribution of the P region, and f (λ) is the rate at which electron-hole pairs are separated in lateral unit area;
and determining the deformation displacement of the device to be measured according to the deformation processing result, the spectral response curve of the fiber grating displacement sensor and the wavelength-current calibration result by using the fiber grating displacement sensor.
Further, the fiber grating displacement sensor with display and reutilization also comprises:
the anti-seismic protection module is used for realizing the anti-seismic and anti-corrosion of the fiber grating displacement sensor with the display and the reutilization through the anti-seismic protection component;
the mounting and fixing module is used for mounting and fixing the fiber bragg grating displacement sensor with the display function and capable of being repeatedly used at a position to be measured through a mounting and fixing block;
the data storage module is connected with the central control module and used for storing the acquired deformation signal of the device to be measured, the readable deformation information of the device to be measured, the deformation processing result and the displacement sensing information through the memory;
and the updating display module is connected with the central control module and used for updating and displaying the acquired deformation signal of the device to be measured, the readable deformation information of the device to be measured, the deformation processing result and the real-time data of the displacement sensing information through the display.
Further, in the signal conversion module, the receiving a deformation signal of the device to be measured in the optical cable and converting the deformation signal into readable deformation information by the signal conversion mechanism includes:
(1) acquiring a deformation signal DVI of a device to be measured in a receiving optical cable;
(2) identifying a received deformation signal DVI of a device to be measured, and sending an identification success signal or an unidentified signal;
(3) processing the DVI signal according to the successfully-sent and identified signal to obtain a first TTL signal, and performing time sequence processing on the first TTL signal to obtain a second TTL signal;
(4) and receiving the second TTL signal by using a signal conversion mechanism, and converting the second TTL signal into an LVDS signal to obtain readable deformation information of the device to be measured.
Further, the signal conversion mechanism is a modulation and demodulation instrument.
Further, in the data processing module, the processing the readable deformation information of the device to be measured through a data processing program to obtain a deformation processing result includes:
(1) extracting vertex data of a device to be measured, wherein the vertex data comprises vertex coordinates of all vertexes and information of a central point of the model element;
(2) adjusting the vertex coordinates of each vertex according to the current global wind parameters and the information of the central point to obtain vertex deformation coordinates of the first layer of each vertex;
(3) and adjusting the current vertex deformation coordinate of each vertex according to the current interactive wind parameters and the information of the central point to obtain the target vertex deformation coordinate of each vertex.
Further, in the displacement sensing module, the wavelength range of the laser light source array is 400-1200 nm, and the wavelength tolerance is 20-30 nm.
Furthermore, the shell of the fiber grating displacement sensor is made of aluminum alloy, two ends of the fiber grating displacement sensor are respectively provided with a material hanging groove, and a fiber grating is arranged in the material hanging grooves; the anti-seismic protection component is connected to the outer side of the fiber grating displacement sensor through the mounting plate.
Further, the anti-seismic protection assembly is provided with a bottom side plate, a damping spring is mounted on the upper side of the bottom side plate, and first limiting plates are mounted on the left side and the right side of the damping spring respectively;
the damping spring upside is connected with the curb plate, goes up the curb plate side and installs the connection curb plate, goes up the curb plate left and right sides and installs the second limiting plate respectively, and the second limiting plate is located the outside of first limiting plate.
Further, the mounting and fixing module is used for mounting and fixing the fiber grating displacement sensor with display and reusability in a position to be measured through a mounting and fixing block, the fixing block is provided with a block body, the middle position of the block body is provided with a mounting groove, and a rubber pad is adhered to the bottom side of the mounting groove; fixed otic placodes are installed to cushion four corners position, are provided with the screw hole on the fixed otic placode.
Furthermore, the two sides of the groove are screwed with threaded rods through threaded holes, the outer side ends of the threaded rods are provided with knobs, and the inner side ends of the threaded rods are provided with rubber discs.
By combining all the technical schemes, the invention has the advantages and positive effects that: according to the fiber grating displacement sensor with the display function and the reutilization function, the display reutilization of the fiber grating displacement sensor can be realized by mounting the fixing block and the display on the fiber grating displacement sensor; the anti-seismic protection component is additionally arranged on the outer side of the fiber grating displacement sensor body, so that when the fiber grating displacement sensor is used, the damage to the sensor caused by external collision and accidental dropping can be effectively avoided; simultaneously antidetonation protection component cover can also avoid the contact with external corrosive substance in the outside for fiber grating displacement sensor body can adapt to and use under the more abominable condition in some environment.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments of the present invention will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a block diagram of a fiber grating displacement sensor with a display and capable of being recycled according to an embodiment of the present invention;
in fig. 1: 1. a signal acquisition module; 2. a signal conversion module; 3. a wireless communication module; 4. a central control module; 5. a data processing module; 6. a displacement sensing module; 7. an anti-seismic protection module; 8. installing a fixed module; 9. a data storage module; 10. and updating the display module.
Fig. 2 is a flowchart of a measurement method of a fiber grating displacement sensor with a display and capable of being recycled according to an embodiment of the present invention.
Fig. 3 is a flowchart of a method for a signal conversion module to receive a deformation signal of a device to be measured in an optical cable by using a signal conversion mechanism and convert the deformation signal into readable deformation information according to an embodiment of the present invention.
Fig. 4 is a flowchart of a method for processing, by a data processing module, the readable deformation information of the device to be measured by using a data processing program to obtain a deformation processing result according to an embodiment of the present invention.
Fig. 5 is a flowchart of a method for sensing deformation and displacement of a device to be measured by the displacement sensing module according to the deformation processing result by using the fiber bragg grating displacement sensor according to the embodiment of the invention.
FIG. 6 is a schematic diagram of a fixed block structure provided in an embodiment of the present invention;
in fig. 6: 11. a block body; 12. mounting grooves; 13. a rubber disc; 14. a threaded rod; 15. a knob; 16. and fixing the ear plate.
FIG. 7 is a schematic structural view of a seismic protection assembly provided by an embodiment of the invention;
in the figure: 17. a bottom side plate; 18. a damping spring; 19. a first limit plate; 20. an upper side plate; 21. connecting the side plates; 22. and a second limiting plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Aiming at the problems in the prior art, the invention provides a fiber grating displacement sensor with a display and capable of being recycled, and the invention is described in detail below with reference to the accompanying drawings.
As shown in fig. 1, the fiber grating displacement sensor with display and capable of being recycled provided in the embodiment of the present invention includes a signal acquisition module 1, a signal conversion module 2, a wireless communication module 3, a central control module 4, a data processing module 5, a displacement sensing module 6, an anti-seismic protection module 7, an installation and fixation module 8, a data storage module 9, and an update display module 10.
The signal acquisition module 1 is connected with the central control module 4 and used for acquiring a deformation signal of the device to be measured through signal acquisition equipment and sending the signal to the signal conversion module through an optical cable;
the signal conversion module 2 is connected with the central control module 4 and used for receiving a deformation signal of a device to be measured in the optical cable through the signal conversion mechanism and converting the deformation signal into readable deformation information;
the wireless communication module 3 is connected with the central control module 4 and is used for sending the readable deformation information of the device to be measured to the central control module through the wireless communication device for subsequent coordination control;
the central control module 4 is connected with the signal acquisition module 1, the signal conversion module 2, the wireless communication module 3, the data processing module 5, the displacement sensing module 6, the anti-seismic protection module 7, the installation and fixation module 8, the data storage module 9 and the update display module 10, and is used for coordinating and controlling the normal operation of each module of the self-display reusable fiber grating displacement sensor through a central processing unit;
the data processing module 5 is connected with the central control module 4 and used for processing the readable deformation information of the device to be measured through a data processing program to obtain a deformation processing result;
the displacement sensing module 6 is connected with the central control module 4 and used for sensing the deformation and the displacement of the device to be measured according to the deformation processing result through a fiber bragg grating displacement sensor;
the anti-seismic protection module 7 is used for realizing the anti-seismic and anti-corrosion of the fiber grating displacement sensor with display and reutilization through an anti-seismic protection component;
the mounting and fixing module 8 is used for mounting and fixing the fiber bragg grating displacement sensor with the display function and capable of being recycled at a position to be measured through a mounting and fixing block;
the data storage module 9 is connected with the central control module 4 and used for storing the acquired deformation signal of the device to be measured, the readable deformation information of the device to be measured, the deformation processing result and the displacement sensing information through a memory;
and the updating display module 10 is connected with the central control module 4 and is used for updating and displaying the acquired deformation signal of the device to be measured, the readable deformation information of the device to be measured, the deformation processing result and the real-time data of the displacement sensing information through the display.
As shown in fig. 2, the measurement method of the fiber grating displacement sensor with display and reusability provided by the embodiment of the invention comprises the following steps:
s101, acquiring a deformation signal of a device to be measured by using signal acquisition equipment through a signal acquisition module, and sending the signal to a signal conversion module through an optical cable; receiving a deformation signal of a device to be measured in the optical cable by using a signal conversion mechanism through a signal conversion module and converting the deformation signal into readable deformation information;
s102, sending the readable deformation information of the device to be measured to a central control module through a wireless communication module by using a wireless communication device for subsequent coordination control;
s103, the central control module utilizes a central processing unit to coordinate and control the normal operation of each module of the fiber grating displacement sensor with display and reutilization;
s104, processing the readable deformation information of the device to be measured by using a data processing program through a data processing module to obtain a deformation processing result; sensing the deformation and displacement of the device to be measured by a displacement sensing module through a fiber bragg grating displacement sensor according to the deformation processing result;
s105, the anti-vibration and anti-corrosion of the fiber grating displacement sensor with the display function and capable of being recycled are realized by the anti-vibration protection component through the anti-vibration protection module; the fiber bragg grating displacement sensor with the display function and capable of being repeatedly used is installed and fixed at a position to be measured by an installation fixing module through an installation fixing block;
s106, storing the acquired deformation signal of the device to be measured, the readable deformation information of the device to be measured, the deformation processing result and the displacement sensing information by using a memory through a data storage module;
and S107, updating and displaying the acquired deformation signal of the device to be measured, the readable deformation information of the device to be measured, the deformation processing result and the real-time data of the displacement sensing information by using the display through the updating and displaying module.
As shown in fig. 3, an embodiment of the present invention provides a method for receiving a strain signal of a device to be measured in an optical cable by a signal conversion module and using a signal conversion mechanism to convert the strain signal into readable strain information, including:
s201, acquiring a deformation signal DVI of a device to be measured in a receiving optical cable;
s202, identifying the received deformation signal DVI of the device to be measured, and sending an identification success signal or an unidentified signal;
s203, processing the DVI signal according to the successfully-sent and identified signal to obtain a first TTL signal, and performing time sequence processing on the first TTL signal to obtain a second TTL signal;
and S204, receiving the second TTL signal by using a signal conversion mechanism, and converting the second TTL signal into an LVDS signal to obtain readable deformation information of the device to be measured.
The signal conversion mechanism provided by the embodiment of the invention is a modulation and demodulation instrument.
As shown in fig. 4, the processing, by a data processing module, the readable deformation information of the device to be measured by using a data processing program to obtain a deformation processing result according to an embodiment of the present invention includes:
s301, extracting vertex data of the device to be measured, wherein the vertex data comprises vertex coordinates of all vertexes and information of the center point of the model element;
s302, adjusting the vertex coordinates of each vertex according to the current global wind parameters and the information of the central point to obtain vertex deformation coordinates of the first layer of each vertex;
and S303, adjusting the current vertex deformation coordinate of each vertex according to the current interactive wind parameter and the information of the central point to obtain the target vertex deformation coordinate of each vertex.
As shown in fig. 5, the sensing of the deformation and displacement of the device to be measured by the displacement sensing module and the fiber bragg grating displacement sensor according to the deformation processing result according to the embodiment of the present invention includes:
s401, fixing the fiber bragg grating displacement sensor on the lower surface of a device to be measured; the laser light source array is composed of a group of laser light sources with determined wavelengths, and the wavelengths of the laser light sources are distributed according to an arithmetic progression;
s402, irradiating the laser light source array on the fiber grating displacement sensor to obtain a spectral response curve of the fiber grating displacement sensor and a wavelength-current calibration result;
and S403, determining the deformation displacement of the device to be measured according to the deformation processing result, the spectral response curve of the fiber grating displacement sensor and the wavelength-current calibration result by using the fiber grating displacement sensor.
The wavelength range of the laser light source array provided by the embodiment of the invention is 400-1200 nm, and the wavelength tolerance is 20-30 nm.
The calculation of the calibration result of the wavelength-current provided by the embodiment of the invention comprises the following steps:
wherein, JsIs the reverse saturation current of the PN junction, q is the single electron electric quantity, k and T are the Boltzmann constant and the temperature respectively; r is a polar coordinate;
is the potential distribution of the P region, and f (λ) is the rate at which electron-hole pairs are separated in lateral unit area.
The shell of the fiber grating displacement sensor provided by the embodiment of the invention is made of aluminum alloy, the two ends of the fiber grating displacement sensor are respectively provided with the material hanging grooves, the fiber gratings are arranged in the material hanging grooves, and when the corresponding fiber grating part needs to be replaced, the cover body on the material hanging grooves is directly blocked and replaced, so that the fiber grating displacement sensor can be repeatedly used; the anti-seismic protection component is connected to the outer side of the fiber grating displacement sensor through the mounting plate.
As shown in fig. 6, the mounting and fixing module 8 provided in the embodiment of the present invention is connected to the central control module 4, and is configured to mount and fix the fiber grating displacement sensor with display and reusable function at a position to be measured by using the mounting and fixing block, wherein the fixing block is provided with a block 11, the middle position of the block 11 is provided with an installation groove 12, and a rubber pad is adhered to the bottom side of the installation groove 12; the four corners of the cushion block 11 are provided with fixing ear plates 16, and the fixing ear plates 16 are provided with threaded holes. Threaded rods 14 are screwed on two sides of the grooves through threaded holes, knobs 15 are mounted at the outer side ends of the threaded rods 14, and rubber discs 13 are mounted at the inner side ends of the threaded rods 14. According to the invention, the fiber bragg grating displacement sensor is directly placed in the installing and wiping groove 12, and the sensor is clamped and fixed by the rubber discs 13 on the two sides, so that the disassembly and the assembly are convenient, and the corresponding working efficiency is improved.
As shown in fig. 7, the anti-seismic protection assembly according to the embodiment of the present invention is provided with a bottom side plate 17, a damping spring 18 is installed on the upper side of the bottom side plate 17, and first limiting plates 19 are installed on the left and right sides of the damping spring 18 respectively;
the upper side of the damping spring 18 is connected with an upper side plate 20, the side surface of the upper side plate 20 is provided with a connecting side plate 21, the left side and the right side of the upper side plate 20 are respectively provided with a second limiting plate 22, and the second limiting plates 22 are positioned on the outer side of the first limiting plate 19 to keep the damping effect of the spring.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the above embodiments, the implementation may be wholly or partially realized by software, hardware, firmware, or any combination thereof. When used in whole or in part, can be implemented in a computer program product that includes one or more computer instructions. When loaded or executed on a computer, cause the flow or functions according to embodiments of the invention to occur, in whole or in part. The computer may be a general purpose computer, a special purpose computer, a network of computers, or other programmable device. The computer instructions may be stored in a computer readable storage medium or transmitted from one computer readable storage medium to another, for example, the computer instructions may be transmitted from one website site, computer, server, or data center to another website site, computer, server, or data center via wire (e.g., coaxial cable, fiber optic, Digital Subscriber Line (DSL), or wireless (e.g., infrared, wireless, microwave, etc.)). The computer-readable storage medium can be any available medium that can be accessed by a computer or a data storage device, such as a server, a data center, etc., that includes one or more of the available media. The usable medium may be a magnetic medium (e.g., floppy Disk, hard Disk, magnetic tape), an optical medium (e.g., DVD), or a semiconductor medium (e.g., Solid State Disk (SSD)), among others.
The above description is only for the purpose of illustrating the present invention and the appended claims are not to be construed as limiting the scope of the invention, which is intended to cover all modifications, equivalents and improvements that are within the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A reusable fiber grating displacement sensor with a display function is characterized by comprising:
the signal acquisition module is connected with the central control module and used for acquiring a deformation signal of the device to be measured through signal acquisition equipment and sending the signal to the signal conversion module through an optical cable;
the signal conversion module is connected with the central control module and used for receiving the deformation signal of the device to be measured in the optical cable through the signal conversion mechanism and converting the deformation signal into readable deformation information;
the wireless communication module is connected with the central control module and is used for sending the readable deformation information of the device to be measured to the central control module through the wireless communication device for subsequent coordination control;
the central control module is connected with the signal acquisition module, the signal conversion module, the wireless communication module, the data processing module, the displacement sensing module, the anti-seismic protection module, the installation fixing module, the data storage module and the updating display module and is used for coordinating and controlling the normal operation of each module of the fiber bragg grating displacement sensor with display and reusability through the central processing unit;
the data processing module is connected with the central control module and used for processing the readable deformation information of the device to be measured through a data processing program to obtain a deformation processing result;
the displacement perception module is connected with the central control module and used for perceiving the deformation and displacement of the device to be measured according to the deformation processing result through the fiber bragg grating displacement sensor, and the module comprises:
fixing the fiber bragg grating displacement sensor on the lower surface of the device to be tested; the laser light source array is composed of a group of laser light sources with determined wavelengths, and the wavelengths of the laser light sources are distributed according to an arithmetic progression;
irradiating the laser light source array on the fiber grating displacement sensor to obtain a spectral response curve of the fiber grating displacement sensor and a wavelength-current calibration result;
wherein, the calculation of the calibration result of the wavelength-current comprises the following steps:
in the formula, JsIs the reverse saturation current of the PN junction, q is the single electron electric quantity, k and T are the Boltzmann constant and the temperature respectively; r is a polar coordinate;
is the potential distribution of the P region, and f (λ) is the rate at which electron-hole pairs are separated in lateral unit area;
and determining the deformation displacement of the device to be measured according to the deformation processing result, the spectral response curve of the fiber grating displacement sensor and the wavelength-current calibration result by using the fiber grating displacement sensor.
2. The reusable fiber grating displacement sensor with display of claim 1, further comprising:
the anti-seismic protection module is used for realizing the anti-seismic and anti-corrosion of the fiber grating displacement sensor with the display and the reutilization through the anti-seismic protection component;
the mounting and fixing module is used for mounting and fixing the fiber bragg grating displacement sensor with the display function and capable of being repeatedly used at a position to be measured through a mounting and fixing block;
the data storage module is connected with the central control module and used for storing the acquired deformation signal of the device to be measured, the readable deformation information of the device to be measured, the deformation processing result and the displacement sensing information through the memory;
and the updating display module is connected with the central control module and used for updating and displaying the acquired deformation signal of the device to be measured, the readable deformation information of the device to be measured, the deformation processing result and the real-time data of the displacement sensing information through the display.
3. The reusable fiber bragg grating displacement sensor with the display function according to claim 1, wherein in the signal conversion module, the signal conversion mechanism receives the deformation signal of the device to be measured in the optical cable and converts the deformation signal into readable deformation information, and the method comprises the following steps:
(1) acquiring a deformation signal DVI of a device to be measured in a receiving optical cable;
(2) identifying a received deformation signal DVI of a device to be measured, and sending an identification success signal or an unidentified signal;
(3) processing the DVI signal according to the successfully-sent and identified signal to obtain a first TTL signal, and performing time sequence processing on the first TTL signal to obtain a second TTL signal;
(4) and receiving the second TTL signal by using a signal conversion mechanism, and converting the second TTL signal into an LVDS signal to obtain readable deformation information of the device to be measured.
4. The reusable fiber grating displacement sensor with self-contained display of claim 3, wherein the signal conversion mechanism is a modem.
5. The reusable fiber grating displacement sensor with display of claim 1, wherein in the data processing module, the readable deformation information of the device to be measured is processed by the data processing program to obtain a deformation processing result, and the deformation processing result comprises:
(1) extracting vertex data of a device to be measured, wherein the vertex data comprises vertex coordinates of all vertexes and information of a central point of the model element;
(2) adjusting the vertex coordinates of each vertex according to the current global wind parameters and the information of the central point to obtain vertex deformation coordinates of the first layer of each vertex;
(3) and adjusting the current vertex deformation coordinate of each vertex according to the current interactive wind parameters and the information of the central point to obtain the target vertex deformation coordinate of each vertex.
6. The reusable fiber grating displacement sensor with self-display of claim 1, wherein in the displacement sensing module, the wavelength range of the laser light source array is 400-1200 nm, and the wavelength tolerance is 20-30 nm.
7. The reusable fiber grating displacement sensor with the display function of claim 1, wherein the shell of the fiber grating displacement sensor is made of aluminum alloy, two ends of the fiber grating displacement sensor are respectively provided with a material hanging groove, and a fiber grating is arranged in the material hanging grooves; the anti-seismic protection component is connected to the outer side of the fiber grating displacement sensor through the mounting plate.
8. The fiber bragg grating displacement sensor with the display function and the reusability function as claimed in claim 7, wherein the anti-seismic protection component is provided with a bottom side plate, a damping spring is mounted on the upper side of the bottom side plate, and first limiting plates are mounted on the left side and the right side of the damping spring respectively;
the damping spring upside is connected with the curb plate, goes up the curb plate side and installs the connection curb plate, goes up the curb plate left and right sides and installs the second limiting plate respectively, and the second limiting plate is located the outside of first limiting plate.
9. The reusable fiber grating displacement sensor with the display function according to claim 2, wherein the mounting and fixing module is used for mounting and fixing the reusable fiber grating displacement sensor with the display function in a position to be measured through a mounting and fixing block, the fixing block is provided with a block body, a mounting groove is arranged in the middle of the block body, and a rubber pad is adhered to the bottom side of the mounting groove; fixed otic placodes are installed to cushion four corners position, are provided with the screw hole on the fixed otic placode.
10. The reusable fiber grating displacement sensor with the self-display function as claimed in claim 9, wherein a threaded rod is screwed on two sides of the groove through a threaded hole, a knob is mounted at the outer end of the threaded rod, and a rubber disc is mounted at the inner end of the threaded rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111339084.8A CN114087985A (en) | 2021-11-12 | 2021-11-12 | Fiber grating displacement sensor with display and reutilization functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111339084.8A CN114087985A (en) | 2021-11-12 | 2021-11-12 | Fiber grating displacement sensor with display and reutilization functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114087985A true CN114087985A (en) | 2022-02-25 |
Family
ID=80300215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111339084.8A Withdrawn CN114087985A (en) | 2021-11-12 | 2021-11-12 | Fiber grating displacement sensor with display and reutilization functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114087985A (en) |
-
2021
- 2021-11-12 CN CN202111339084.8A patent/CN114087985A/en not_active Withdrawn
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20210255156A1 (en) | Learning model generation support apparatus, learning model generation support method, and computer-readable recording medium | |
| CN105705916A (en) | Balance for calibrating pipettes | |
| US20180224314A1 (en) | Water level gauge, water pressure sensor device, and water level measurement system | |
| CN105606068A (en) | Optical impedance modulation for fuel quantity measurement | |
| Stengel et al. | The impact of cloud‐affected IR radiances on forecast accuracy of a limited‐area NWP model | |
| KR20160067213A (en) | Methods and systems for a universal wireless platform for asset monitoring | |
| Richardson | NACA VGH Recorder | |
| WO2020143228A1 (en) | High-precision beidou monitoring pile integrated with electronic gyroscope | |
| CN114087985A (en) | Fiber grating displacement sensor with display and reutilization functions | |
| CN216925481U (en) | High-sensitivity deformation and vibration monitoring photoelectric sensor | |
| CN111323133A (en) | Temperature compensation method and device for temperature sensor, electronic equipment and storage medium | |
| US11243266B2 (en) | Transformer hydrogen gas monitoring system, device, and method | |
| CN207741768U (en) | A kind of fiber-optic grating sensor | |
| CN210198368U (en) | Hydraulic static leveling device | |
| CN115930901A (en) | Unmanned aerial vehicle flight height measuring method and device, electronic equipment and storage medium | |
| JP2019174226A (en) | Oil quantity measuring device and oil quantity measuring method | |
| EP3835832A1 (en) | Underwater radiation monitoring system and method | |
| US10119813B2 (en) | Device and method for ascertaining a suitable position of a sensor device | |
| KR20220156298A (en) | A Soil Sensor | |
| EP3889566A1 (en) | Optically powered remotely interrogated liquid gauging system | |
| CN115165767B (en) | Groundwater monitoring device based on grating cascading composite sensing technology | |
| CN208296900U (en) | Optical fiber point type temperature disturbance sensing device and system | |
| CN205450207U (en) | Density relay check gauge | |
| CN211147856U (en) | Temperature detection device | |
| CN220571630U (en) | Intelligent helmet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20220225 |
|
| WW01 | Invention patent application withdrawn after publication |