CN217032776U

CN217032776U - Vibration reduction optical fiber interferometer equipment

Info

Publication number: CN217032776U
Application number: CN202123350644.8U
Authority: CN
Inventors: 张志平
Original assignee: Shanghai Paipin Photoelectric Technology Co ltd
Current assignee: Shanghai Paipin Photoelectric Technology Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-07-22
Anticipated expiration: 2031-12-29

Abstract

The utility model relates to the technical field of interferometers, in particular to vibration reduction optical fiber interferometer equipment. The technical scheme comprises the following steps: casing and main part, the inside equipment room of being close to the top of casing is installed, the inside equipment room bottom position department that is located of casing installs the control by temperature change room, the backup pad is all installed through the locating lever with four angular position departments in bottom in four angular position departments in equipment room top, the locating rack is installed to backup pad bottom intermediate position department at casing top, displacement seat is installed through spacing axle in the backup pad top position department of casing bottom. The utility model solves the problems that the prior device adopts filling sponge or silica gel layer to damp the interferometer, the damping amplitude is lower, the damping effect is poor, the air flow efficiency of the surface of the interferometer is lower, the local temperature is easy to rise, the temperature control is difficult, and the damage of the interferometer is easy to cause, reduces the vibration force borne by the interferometer and improves the use stability of the interferometer.

Description

Vibration reduction optical fiber interferometer equipment

Technical Field

The utility model relates to the technical field of optical fiber interferometers, in particular to vibration reduction optical fiber interferometer equipment.

Background

Fiber optic interferometers, instruments for optical phenomenon interference. The interference phenomenon is an optical basic phenomenon, and the optical interference realized by using the optical fiber is an important application of the optical interference phenomenon. Because the optical fiber is formed instead of the lens system. The light path is flexible, the shape can be changed at will, the transmission distance is long, and the interferometer can be suitable for various severe environments with strong electromagnetic interference, flammability, explosiveness and the like, so that interferometers with various structures and many functional devices such as fiber optic gyroscopes, optical switches, optical positioning devices and the like can be constructed, and the interferometer has wide application prospects.

The existing optical fiber interferometer is mainly filled with a sponge or a silica gel layer to reduce vibration of the interferometer, vibration reduction amplitude is low, vibration reduction effect is poor, air flow efficiency of the surface of the interferometer is low, local temperature is extremely high, temperature control is difficult, and the interferometer is extremely prone to damage.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide vibration reduction optical fiber interferometer equipment which has the advantage of good vibration reduction effect and solves the problems that the existing device adopts filled sponge or silica gel layer to reduce vibration of the interferometer, the vibration reduction amplitude is low, the vibration reduction effect is poor, the air flow efficiency of the surface of the interferometer is low, the local temperature is easy to rise, the temperature control is difficult, and the damage of the interferometer is easy to cause.

In order to achieve the purpose, the utility model provides the following technical scheme: a vibration reduction optical fiber interferometer device comprises a shell and a main body, wherein an equipment room is arranged near the top inside the shell, a temperature control room is arranged at the position, located at the bottom of the equipment room, inside the shell, supporting plates are arranged at four angular positions at the top and four angular positions at the bottom of the equipment room respectively through positioning rods, a positioning frame is arranged at the middle position of the bottom of the supporting plate at the top of the shell, a displacement seat is arranged at the top of the supporting plate at the bottom of the shell through a limiting shaft, the main body is arranged at the middle positions of the displacement seat and the positioning frame, springs B are arranged at the upper surface position and the lower surface position of the supporting plate on the outer surface of the positioning rod, rubber pads are arranged at the two ends of the spring B on the outer surface of the positioning rod, a spring seat is arranged at the tail end position of the positioning rod, and a micro-fan is arranged at one side position of the bottom inside the temperature control room, the micro-fan input end is connected to the equipment room through a connecting pipe, the cooling pipe is installed at the micro-fan output end, and the cooling pipe is connected to the equipment room.

Preferably, the displacement seat and the positioning frame are located main body gap positions and are all provided with silica gel pads, and the silica gel pads are arranged to absorb the vibration force applied to the main body and maintain the operation stability of the main body.

Preferably, a motor is installed in the middle of one side of the temperature control chamber, blades are installed on an output shaft of the motor, the blades are driven to rotate by the motor, the cooling pipe is blown by the blades, and air can be rapidly dissipated conveniently.

Preferably, the four corners of the bottom of the shell are respectively provided with a rubber base, the middle position of the front surface of the shell is provided with a sealing cover, and the rubber bases are arranged to increase the use stability of the utility model.

Preferably, the adjusting rod is installed at the middle position of the supporting plate at the bottom of the shell through threads, the supporting seat is installed at the top position of the adjusting rod, the handle is installed at the bottom position of the adjusting rod, the adjusting rod is rotated through the handle, the supporting seat is driven to move upwards through the adjusting rod, and the displacement seat is fixed through the supporting seat.

Preferably, the outer surface of the limiting shaft is provided with a spring A at the position of the lower surface of the displacement seat, and the spring A buffers the downward movement impact force of the displacement seat, so that the displacement seat can stably move downward.

Preferably, casing one side intermediate position department installs the thimble, the inside department that deviates from thimble one side intermediate position of equipment room installs temperature sensor, through setting up temperature sensor, the inside temperature of accurate monitoring equipment room.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the spring B, the rubber pad and the silica gel pad are arranged, so that the effect of buffering and absorbing the vibration force borne by the interferometer is achieved, the external vibration force is buffered through the spring B and the rubber pad, the operation stability of the main body is increased, the vibration force is absorbed through the silica gel pad, and the operation stability of the main body is maintained, so that the problems that the filled sponge or silica gel layer is adopted for damping the interferometer, the damping amplitude is low, the damping effect is poor are solved, the vibration force borne by the main body is reduced, and the use stability of the main body is improved.

2. According to the utility model, the effect of quickly radiating the equipment room is achieved by arranging the micro fan, the cooling pipe and the motor, the micro fan is arranged at one side of the bottom in the temperature control room, the input end of the micro fan is connected to the equipment room through the connecting pipe, the cooling pipe is arranged at the output end of the micro fan and is connected to the equipment room, the motor is arranged at the middle position of one side of the temperature control room, and the blade is arranged at the output shaft of the motor, so that the problems that the air flow efficiency of the surface of the interferometer is low, the local temperature is easy to rise, the temperature control is difficult, and the damage of the interferometer is easy to cause are solved, the accurate control of the operation temperature of the main body is realized, and the service life of the interferometer is further prolonged.

3. According to the utility model, the effect of stably disassembling and assembling the main body is achieved by arranging the adjusting rod, the displacement seat, the limiting shaft and the spring A, the adjusting rod is arranged at the middle position of the supporting plate at the bottom of the shell through threads, the supporting seat is arranged at the top position of the adjusting rod, the handle is arranged at the bottom position of the adjusting rod, the adjusting rod is rotated through the handle, the supporting seat is driven to move upwards through the adjusting rod, and the displacement seat is fixed through the supporting seat, so that the problems that the main body is complicated to disassemble and assemble and has poor disassembling and assembling stability due to the fact that the interferometer adopts a screw fixing mode are solved, and the disassembling and assembling stability and the disassembling convenience of the main body are improved.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is an enlarged view of A in FIG. 2;

fig. 4 is an enlarged structural diagram of B in fig. 2.

Reference numerals: 1. a housing; 2. a threading ring; 3. a rubber base; 4. a sealing cover; 5. an equipment room; 6. a silica gel pad; 7. a support plate; 8. a main body; 9. a positioning frame; 10. a temperature control chamber; 11. a micro fan; 12. a displacement seat; 13. a cooling tube; 14. a limiting shaft; 15. a blade; 16. a motor; 17. a spring A; 18. a temperature sensor; 19. a spring B; 20. a rubber pad; 21. a spring seat; 22. positioning a rod; 23. a supporting base; 24. adjusting a rod; 25. a handle.

Detailed Description

The technical solution of the present invention is further explained with reference to the accompanying drawings and specific embodiments.

Example one

As shown in fig. 1 to 4, in order to achieve the above object, the present invention provides the following technical solutions: a vibration reduction optical fiber interferometer device comprises a shell 1 and a main body 8, wherein an equipment room 5 is arranged near the top inside the shell 1, a temperature control room 10 is arranged at the position, located at the bottom of the equipment room 5, inside the shell 1, support plates 7 are arranged at four corners at the top and four corners at the bottom of the equipment room 5 through positioning rods 22, a positioning frame 9 is arranged at the middle position of the bottom of the support plate 7 at the top of the shell 1, a displacement seat 12 is arranged at the top of the support plate 7 at the bottom of the shell 1 through a limiting shaft 14, the main body 8 is arranged at the middle positions of the displacement seat 12 and the positioning frame 9, silica gel pads 6 are arranged at the positions, located at the gap between the main body 8, on the inner surfaces of the displacement seat 12 and the positioning frame 9, springs B19 are arranged at the positions, located at the upper surface and the lower surface of the support plate 7, on the outer surface of the positioning rod 22, and rubber pads 20 are arranged at the positions, located at the two ends of a spring B19, on the outer surface of the positioning rod 22, spring seat 21 is installed to locating lever 22 end position department, bottom one side position department in the control by temperature change room 10 installs micro fan 11, micro fan 11 input passes through the connecting pipe and connects in equipment room 5, cooling tube 13 is installed to micro fan 11 output, cooling tube 13 connects in equipment room 5, control by temperature change room 10 one side intermediate position department installs motor 16, blade 15 is installed to motor 16 output shaft, casing 1 one side intermediate position department installs thimble 2, equipment room 5 is inside to deviate from thimble 2 one side intermediate position department and installs temperature sensor 18.

The working principle of the vibration reduction optical fiber interferometer equipment based on the embodiment 1 is as follows: after the device is installed, the wiring harness is connected with the main body 8 through the threading ring 2, when the device is used, external vibration force is buffered through the spring B19 and the rubber pad 20, the operation stability of the main body 8 is improved, the vibration force is absorbed through the silica gel pad 6, the operation stability of the main body 8 is maintained, when the temperature sensor 18 senses that the internal temperature of the device chamber 5 is high, the micro fan 11 is started, hot air in the device chamber 5 is conveyed to the cooling pipe 13 through the connecting pipe through the micro fan 11, the motor 16 is started again, the blades 15 are driven to rotate through the motor 16, the cooling pipe 13 is blown and cooled, and the cooled air flows back to the device chamber 5 through the tail end of the cooling pipe 13, so that the working flow of the device is completed.

Example two

As shown in fig. 1 to 4, compared with the first embodiment, the vibration-damping fiber interferometer apparatus of the present invention further includes: an adjusting rod 24 is installed at the middle position of the supporting plate 7 at the bottom of the shell 1 through threads, a supporting seat 23 is installed at the top position of the adjusting rod 24, a handle 25 is installed at the bottom position of the adjusting rod 24, a spring A17 is installed at the position, located on the lower surface of the displacement seat 12, of the outer surface of the limiting shaft 14, rubber bases 3 are installed at four angular positions at the bottom of the shell 1, and a sealing cover 4 is installed at the middle position of the front surface of the shell 1.

In this embodiment, when main part 8 is maintained to needs, open sealed lid 4, rotate handle 25, rotate regulation pole 24 through handle 25, drive supporting seat 23 through adjusting pole 24 and move down, displacement seat 12 moves down under the action of gravity, drives main part 8 through displacement seat 12 and moves down, moves the impact force down through spring A17 buffering displacement seat 12 simultaneously, and the displacement seat 12 of being convenient for steadily moves down, increases main part 8 and moves down stability, takes out main part 8 again and maintains.

The above embodiments are only some preferred embodiments of the present invention, and many alternative modifications and combinations of the above embodiments may be made by those skilled in the art based on the technical solution of the present invention and the related teachings of the above embodiments.

Claims

1. A vibration-damped fiber optic interferometer apparatus comprising a housing (1) and a main body (8), characterized in that: the device comprises a shell (1), wherein an equipment room (5) is arranged in the shell (1) close to the top, a temperature control room (10) is arranged in the shell (1) and is positioned at the bottom of the equipment room (5), supporting plates (7) are arranged at four corner positions at the top and four corner positions at the bottom of the equipment room (5) respectively, a positioning frame (9) is arranged at the middle position at the bottom of the supporting plate (7) at the top of the shell (1), a displacement seat (12) is arranged at the top of the supporting plate (7) at the bottom of the shell (1) through a limiting shaft (14), a main body (8) is arranged at the middle positions of the displacement seat (12) and the positioning frame (9), springs B (19) are arranged at the upper surface position and the lower surface position of the supporting plate (7) respectively, rubber pads (20) are arranged at the two ends of the positioning rod (22) at the outer surface of the springs B (19), spring holder (21) are installed to locating lever (22) end position department, bottom one side position department in temperature control room (10) installs micro-fan (11), micro-fan (11) input passes through the connecting pipe and connects in equipment room (5), cooling tube (13) are installed to micro-fan (11) output, cooling tube (13) are connected in equipment room (5).

2. A vibration-damped fiber optic interferometer apparatus as recited in claim 1, wherein: and the displacement seat (12) and the inner surface of the positioning frame (9) are provided with silica gel pads (6) at the gap position of the main body (8).

3. A vibration-damped fiber optic interferometer apparatus according to claim 1, wherein: and a motor (16) is installed in the middle position of one side of the temperature control chamber (10), and blades (15) are installed on an output shaft of the motor (16).

4. A vibration-damped fiber optic interferometer apparatus according to claim 1, wherein: rubber base (3) are all installed to four angular position departments in casing (1) bottom, casing (1) front surface intermediate position department installs sealed lid (4).

5. A vibration-damped fiber optic interferometer apparatus as recited in claim 1, wherein: the utility model discloses a portable electronic device, including casing (1), regulation pole (24) are installed through the screw thread in backup pad (7) intermediate position department of casing (1) bottom, regulation pole (24) top position department installs supporting seat (23), regulation pole (24) bottom position department installs handle (25).

6. A vibration-damped fiber optic interferometer apparatus according to claim 1, wherein: and the outer surface of the limiting shaft (14) is provided with a spring A (17) at the lower surface of the displacement seat (12).

7. A vibration-damped fiber optic interferometer apparatus according to claim 1, wherein: casing (1) one side intermediate position department installs thimble (2), equipment room (5) inside deviates from thimble (2) one side intermediate position department and installs temperature sensor (18).