CN215447963U - Portable fiber grating demodulator - Google Patents
Portable fiber grating demodulator Download PDFInfo
- Publication number
- CN215447963U CN215447963U CN202120889650.1U CN202120889650U CN215447963U CN 215447963 U CN215447963 U CN 215447963U CN 202120889650 U CN202120889650 U CN 202120889650U CN 215447963 U CN215447963 U CN 215447963U
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- fiber grating
- threaded
- grating demodulator
- fixedly connected
- wall
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Abstract
The utility model discloses a portable fiber grating demodulator, which comprises a shell, wherein a motor is fixedly arranged in the middle of the bottom surface of the inner wall of the shell, a motor shaft is fixedly connected to the output end of the motor, a first belt pulley is fixedly connected to the top of the motor shaft, a belt is meshed on the surface of the first belt pulley, second belt pulleys are meshed on the left side and the right side of the inner wall of the belt, threaded columns are fixedly inserted into the top surface and the bottom surface of each second belt pulley, the top surface and the bottom surface of each threaded column are rotatably connected with the inner wall of the shell through bearings, and threaded sleeves are connected to the surfaces of the threaded columns in a threaded manner. When the optical fiber grating demodulator is used, the effect of protecting the optical fiber grating demodulator when the optical fiber grating demodulator is not used is achieved, the aim of preventing impurities such as dust from causing pollution or rubbing and colliding is achieved, the risk that the optical fiber grating demodulator is exposed in the environment for a long time and damaged is effectively reduced, the service life of the optical fiber grating demodulator is guaranteed, and the practicability is good.
Description
Technical Field
The utility model relates to the technical field of fiber grating demodulators, in particular to a portable fiber grating demodulator.
Background
In recent years, a temperature and pressure sensor measuring system based on fiber bragg gratings is widely applied to the fields of electric power energy, petrochemical industry, rail transit, tunnel bridges and the like, becomes a bright point for economic growth, and related technologies also become hot spots for research of people. The fiber grating measurement fiber grating demodulator can realize remote real-time measurement and monitoring, has the characteristics of wide measurement range, high precision and high stability, and particularly has obvious advantages in strong electromagnetic interference occasions or explosion-proof occasions.
Most of the existing fiber grating demodulators lack of protective structures, when the fiber grating demodulators are not used, the fiber grating demodulators are often directly exposed in the environment and are difficult to protect, impurity pollution such as dust and the like or rubbing collision are difficult to avoid, the instruments are easily damaged due to long-time exposure, the service lives of the instruments are influenced, and the practicability is poor.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides a portable fiber grating demodulator, which solves the problems that the conventional fiber grating demodulator is lack of a protection structure and is difficult to avoid impurity pollution such as dust or rubbing collision.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a portable fiber grating demodulator comprises a shell, wherein a motor is fixedly installed in the middle of the bottom surface of the inner wall of the shell, a motor shaft is fixedly connected to the output end of the motor, a first belt pulley is fixedly connected to the top of the motor shaft, a belt is meshed to the surface of the first belt pulley, a second belt pulley is meshed to the left side of the inner wall of the belt and the right side of the inner wall of the belt, threaded posts are fixedly inserted and connected to the top surface and the bottom surface of the second belt pulley, the top surface and the bottom surface of each threaded post are rotatably connected with the inner wall of the shell through bearings, threaded sleeves are connected to the surfaces of the threaded posts in a threaded manner, supporting plates are fixedly connected to the opposite sides of the two threaded sleeves, connecting rods are fixedly connected to the sides of the threaded sleeves away from the supporting plates, sliders are fixedly connected to the ends of the connecting rods, sliding grooves are formed in the left side of the inner wall of the shell and the right side of the inner wall of the shell, and the sliders are slidably connected to the inner walls of the sliding grooves, supporting plate top surface fixedly connected with fiber grating demodulation appearance body, the casing top surface link up and has seted up the lift groove, and fiber grating demodulation appearance body is located the lift inslot portion, casing top surface left side and top surface right side all articulate there is removable cover, the equal fixedly connected with handle in casing left surface middle part and right flank middle part.
Preferably, a heat dissipation fan is embedded in the middle of the supporting plate.
Preferably, the top surface and the bottom surface of the supporting plate are provided with heat dissipation holes in a through mode, and the heat dissipation holes are circular through holes.
Preferably, the number of the threaded columns and the number of the threaded sleeves are two, and the two threaded columns and the two threaded sleeves are symmetrically distributed by taking the vertical central line of the front face of the shell as a symmetry axis.
Preferably, the sliding groove is a rectangular sliding groove, and the specification of the sliding block is matched with that of the sliding groove.
Preferably, the number of the handles is two, and the handles are of a C-shaped structure.
Compared with the prior art, the utility model has the beneficial effects that:
1. this portable fiber grating demodulation appearance, it rotates to drive the motor shaft through the motor drive, thereby drive first belt pulley and belt rotation, drive the second belt pulley again, the screw thread post rotates, thereby drive the thread bush, backup pad and fiber grating demodulation appearance body descend, make fiber grating demodulation appearance body get into inside the casing, rotate removable cover again, make removable cover in the lift groove top, can protect the instrument, in use has reached the effect of being convenient for protect fiber grating demodulation appearance when the instrument does not use, reached and be convenient for avoid impurity such as dust to cause the pollution or take place to cut the target of rubbing the collision to the piece, effectively reduced fiber grating demodulation appearance and exposed the risk that takes place the damage in the environment for a long time, the life of instrument has been ensured, and the practicality is better.
2. Through setting up heat dissipation fan and louvre for the heat that produces in the fiber grating demodulation appearance body use scatters and disappears more easily, has reached the radiating effect of being convenient for, has effectively avoided the instrument to take place the condition of damaging because the temperature is too high, and the practicality is better.
Drawings
FIG. 1 is a front cross-sectional view of the structure of the present invention;
FIG. 2 is another front cross-sectional view of the structure of the present invention.
In the figure: the fiber bragg grating demodulation instrument comprises a shell 1, a motor 2, a motor shaft 3, a first belt pulley 4, a belt 5, a second belt pulley 6, a threaded column 7, a threaded sleeve 8, a supporting plate 9, a connecting rod 10, a sliding block 11, a sliding groove 12, a fiber bragg grating demodulation instrument body 13, a lifting groove 14, a movable cover plate 15, a handle 16, a heat dissipation fan 17 and heat dissipation holes 18.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows: referring to fig. 1, a portable fiber grating demodulator comprises a housing 1, a motor 2 is fixedly installed in the middle of the bottom surface of the inner wall of the housing 1, a motor shaft 3 is fixedly connected to the output end of the motor 2, a first belt pulley 4 is fixedly connected to the top of the motor shaft 3, a belt 5 is meshed to the surface of the first belt pulley 4, a second belt pulley 6 is meshed to the left side and the right side of the inner wall of the belt 5, a threaded post 7 is fixedly inserted to the top surface and the bottom surface of the second belt pulley 6, the top surface and the bottom surface of the threaded post 7 are rotatably connected to the inner wall of the housing 1 through a bearing, a threaded sleeve 8 is connected to the surface of the threaded post 7 in a threaded manner, the number of the threaded post 7 and the threaded sleeve 8 is two, the two threaded posts 7 and the threaded sleeve 8 are symmetrically distributed with the vertical central line of the front surface of the housing 1 as a symmetric axis, and the support for a support plate 9 is more stable by arranging the two threaded posts 7 and the threaded sleeve 8, the opposite side surfaces of the two thread sleeves 8 are fixedly connected with a supporting plate 9, the side surface of the thread sleeve 8 far away from the supporting plate 9 is fixedly connected with a connecting rod 10, the end part of the connecting rod 10 is fixedly connected with a sliding block 11, the left side and the right side of the inner wall of the shell 1 are both provided with sliding grooves 12, the surface of the sliding block 11 is in sliding connection with the inner wall of the sliding groove 12, the sliding groove 12 is a rectangular sliding groove, the specification of the sliding block 11 is matched with the sliding groove 12, the thread sleeve 8 is prevented from rotating through the matching of the sliding block 11 and the sliding groove 12, so that the thread sleeve 8 can only move in the vertical direction, the top surface of the supporting plate 9 is fixedly connected with a fiber bragg grating demodulator body 13, the top surface of the shell 1 is provided with a lifting groove 14 in a penetrating way, the fiber bragg grating demodulator body 13 is positioned inside the lifting groove 14, the left side surface and the right side surface of the shell 1 are both hinged with movable cover plates 15, and the middle parts of the left side surface and the right side surface of the shell 1 are both fixedly connected with handles 16, the portable fiber grating demodulator is more convenient to carry and carry by arranging two handles 16, the motor shaft 3 is driven to rotate by the motor 2, so that the first belt pulley 4 and the belt 5 are driven to rotate, the second belt pulley 6 and the threaded column 7 are driven to rotate, the threaded sleeve 8, the supporting plate 9 and the fiber grating demodulator body 13 are driven to descend, the fiber grating demodulator body 13 enters the shell 1, the movable cover plate 15 is rotated, the movable cover plate 15 covers the top of the lifting groove 14, the instrument can be protected, the effect of conveniently protecting the fiber grating demodulator when the instrument is not used is achieved in use, the aim of conveniently avoiding pollution or scratch collision caused by impurities such as dust is achieved, and the risk of damage of the fiber grating demodulator when the fiber grating demodulator is exposed to the environment for a long time is effectively reduced, the service life of the instrument is guaranteed, and the practicability is good.
Example two: referring to fig. 2, a portable fiber grating demodulator comprises a housing 1, a motor 2 is fixedly installed in the middle of the bottom surface of the inner wall of the housing 1, a motor shaft 3 is fixedly connected to the output end of the motor 2, a first belt pulley 4 is fixedly connected to the top of the motor shaft 3, a belt 5 is meshed to the surface of the first belt pulley 4, a second belt pulley 6 is meshed to the left side and the right side of the inner wall of the belt 5, a threaded post 7 is fixedly inserted to the top surface and the bottom surface of the second belt pulley 6, the top surface and the bottom surface of the threaded post 7 are rotatably connected to the inner wall of the housing 1 through a bearing, a threaded sleeve 8 is connected to the surface of the threaded post 7 in a threaded manner, the number of the threaded post 7 and the threaded sleeve 8 is two, the two threaded posts 7 and the threaded sleeve 8 are symmetrically distributed with the vertical central line of the front surface of the housing 1 as a symmetric axis, and the support for a support plate 9 is more stable by arranging the two threaded posts 7 and the threaded sleeve 8, the opposite side surfaces of the two thread sleeves 8 are fixedly connected with a supporting plate 9, the side surface of the thread sleeve 8 far away from the supporting plate 9 is fixedly connected with a connecting rod 10, the end part of the connecting rod 10 is fixedly connected with a sliding block 11, the left side and the right side of the inner wall of the shell 1 are both provided with sliding grooves 12, the surface of the sliding block 11 is in sliding connection with the inner wall of the sliding groove 12, the sliding groove 12 is a rectangular sliding groove, the specification of the sliding block 11 is matched with the sliding groove 12, the thread sleeve 8 is prevented from rotating through the matching of the sliding block 11 and the sliding groove 12, so that the thread sleeve 8 can only move in the vertical direction, the top surface of the supporting plate 9 is fixedly connected with a fiber bragg grating demodulator body 13, the top surface of the shell 1 is provided with a lifting groove 14 in a penetrating way, the fiber bragg grating demodulator body 13 is positioned inside the lifting groove 14, the left side surface and the right side surface of the shell 1 are both hinged with movable cover plates 15, and the middle parts of the left side surface and the right side surface of the shell 1 are both fixedly connected with handles 16, the portable fiber grating demodulator is more convenient to carry and carry by arranging two handles 16, the motor shaft 3 is driven to rotate by the motor 2, so that the first belt pulley 4 and the belt 5 are driven to rotate, the second belt pulley 6 and the threaded column 7 are driven to rotate, the threaded sleeve 8, the supporting plate 9 and the fiber grating demodulator body 13 are driven to descend, the fiber grating demodulator body 13 enters the shell 1, the movable cover plate 15 is rotated, the movable cover plate 15 covers the top of the lifting groove 14, the instrument can be protected, the effect of conveniently protecting the fiber grating demodulator when the instrument is not used is achieved in use, the aim of conveniently avoiding pollution or scratch collision caused by impurities such as dust is achieved, and the risk of damage of the fiber grating demodulator when the fiber grating demodulator is exposed to the environment for a long time is effectively reduced, the service life of the instrument is guaranteed, and the practicability is good.
The middle part of the supporting plate 9 is embedded with a heat dissipation fan 17, the heat dissipation fan 17 and the heat dissipation holes 18 are arranged, the top surface and the bottom surface of the supporting plate 9 are communicated with each other, the heat dissipation holes 18 are circular through holes, the heat dissipation fan 17 and the heat dissipation holes 18 are arranged, so that heat generated in the use process of the fiber grating demodulation instrument body 13 is easy to dissipate, the effect of facilitating heat dissipation is achieved, the condition that the instrument is damaged due to overhigh temperature is effectively avoided, and the practicability is better.
The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.
When the instrument is not in use: drive motor shaft 3 through motor 2 and rotate, thereby drive first belt pulley 4 and belt 5 and rotate, belt 5 drives second belt pulley 6 again, threaded post 7 rotates, thereby it descends on threaded post 7 surface to drive thread bush 8, thread bush 8 drives connecting rod 10 and descends, connecting rod 10 drives slider 11 and slides inside spout 12, the backup pad 9 is driven to the thread bush simultaneously descends, backup pad 9 drives fiber grating demodulation appearance body 13 and descends inside lift groove 14, make fiber grating demodulation appearance body 13 get into inside casing 1, rotate removable cover 15 again, make removable cover 15 cover in lift groove 14 top, can protect the instrument.
In conclusion, the portable fiber grating demodulator drives the motor shaft 3 to rotate through the motor 2, so as to drive the first belt pulley 4 and the belt 5 to rotate, and then drive the second belt pulley 6 and the threaded column 7 to rotate, so as to drive the threaded sleeve 8, the supporting plate 9 and the fiber grating demodulator body 13 to descend, so that the fiber grating demodulator body 13 enters the shell 1, and then the movable cover plate 15 is rotated, so that the movable cover plate 15 covers the top of the lifting groove 14, so that the instrument can be protected, the effect of conveniently protecting the fiber grating demodulator when the instrument is not used is achieved in use, the aim of conveniently avoiding pollution or rubbing collision caused by impurities such as dust and the like is achieved, the risk of damage of the fiber grating demodulator when exposed in the environment for a long time is effectively reduced, the service life of the instrument is ensured, the practicability is better, and through the arrangement of the heat dissipation fans 17 and 18, the heat generated in the use process of the fiber grating demodulator body 13 is more easily dissipated, the effect of facilitating heat dissipation is achieved, the problem that the instrument is damaged due to overhigh temperature is effectively avoided, the practicability is better, and the problems that the existing fiber grating demodulator is lack of a protection structure and is difficult to avoid impurity pollution such as dust or rubbing and colliding by cutting are solved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A portable fiber bragg grating demodulator comprises a shell (1) and is characterized in that a motor (2) is fixedly mounted in the middle of the bottom surface of the inner wall of the shell (1), a motor shaft (3) is fixedly connected to the output end of the motor (2), a first belt pulley (4) is fixedly connected to the top of the motor shaft (3), a belt (5) is meshed with the surface of the first belt pulley (4), second belt pulleys (6) are meshed with the left side and the right side of the inner wall of the belt (5), threaded columns (7) are fixedly inserted into the top surface and the bottom surface of each second belt pulley (6), the top surface and the bottom surface of each threaded column (7) are rotatably connected with the inner wall of the shell (1) through bearings, threaded sleeves (8) are connected to the surface of each threaded column (7) in a threaded manner, supporting plates (9) are fixedly connected to the opposite side surfaces of the two threaded sleeves (8), and connecting rods (10) are fixedly connected to the side surfaces, far away from the supporting plates (9), of the threaded sleeves (8), connecting rod (10) tip fixedly connected with slider (11), spout (12) have all been seted up on casing (1) inner wall left side and inner wall right side, and slider (11) surface and spout (12) inner wall sliding connection, backup pad (9) top surface fixedly connected with fiber grating demodulation appearance body (13), casing (1) top surface link up and has seted up lift groove (14), and fiber grating demodulation appearance body (13) are located inside lift groove (14), casing (1) top surface left side and top surface right side all articulate has removable cover (15), casing (1) left surface middle part and the equal fixedly connected with handle (16) in right flank middle part.
2. The portable fiber grating demodulator according to claim 1, wherein a heat dissipation fan (17) is embedded in the middle of the supporting plate (9).
3. The portable fiber grating demodulator according to claim 1, wherein heat dissipation holes (18) are formed through the top surface and the bottom surface of the supporting plate (9), and the heat dissipation holes (18) are circular through holes.
4. The portable fiber grating demodulator according to claim 1, wherein the number of the threaded columns (7) and the number of the threaded sleeves (8) are two, and the two threaded columns (7) and the two threaded sleeves (8) are symmetrically distributed with the vertical center line of the front surface of the shell (1) as a symmetry axis.
5. The portable fiber grating demodulator according to claim 1, wherein the sliding groove (12) is a rectangular sliding groove, and the size of the sliding block (11) is matched with that of the sliding groove (12).
6. A portable fiber grating demodulator according to claim 1, wherein the number of the handles (16) is two, and the handles (16) are in a C-shaped configuration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120889650.1U CN215447963U (en) | 2021-04-23 | 2021-04-23 | Portable fiber grating demodulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120889650.1U CN215447963U (en) | 2021-04-23 | 2021-04-23 | Portable fiber grating demodulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215447963U true CN215447963U (en) | 2022-01-07 |
Family
ID=79705941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120889650.1U Expired - Fee Related CN215447963U (en) | 2021-04-23 | 2021-04-23 | Portable fiber grating demodulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215447963U (en) |
-
2021
- 2021-04-23 CN CN202120889650.1U patent/CN215447963U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220107 |
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| CF01 | Termination of patent right due to non-payment of annual fee |