CN110617811B

CN110617811B - Single-axis optical fiber gyroscope

Info

Publication number: CN110617811B
Application number: CN201910997776.8A
Authority: CN
Inventors: 戴敏鹏
Original assignee: Nanjing Shenwei Photoelectric Technology Research Institute Co ltd
Current assignee: Nanjing Shenwei Photoelectric Technology Research Institute Co ltd
Priority date: 2019-10-21
Filing date: 2019-10-21
Publication date: 2023-02-17
Anticipated expiration: 2039-10-21
Also published as: CN110617811A

Abstract

The invention discloses a single-axis optical fiber gyroscope which comprises an equipment main body and a mounting plate, wherein a top cover is fixedly mounted at the upper end of the equipment main body, a connector for connecting a circuit is arranged on the outer surface of the equipment main body, a wire clamping structure is fixedly mounted at the position, located at the connector, of the outer surface of a squirrel equipment main body, a vibration damping base is arranged on the mounting plate and connected with the equipment main body, the mounting plate is connected with the equipment main body through the vibration damping base, and mounting holes are formed in the corner positions of the mounting plate. According to the single-axis optical fiber gyroscope, the connecting wire can be fixed through the arranged wire clamping structure and matched with the buffer piece for use, the connecting wire is prevented from falling off, the connecting wire can be prevented from being damaged due to overlarge pressure, the vibration damping base is adopted, vibration is damped through the vibration damping frame, the vibration damping effect is improved, and meanwhile, the single-axis optical fiber gyroscope can be used for a long time.

Description

Single-axis optical fiber gyroscope

Technical Field

The invention relates to the field of optical fiber gyroscopes, in particular to a single-axis optical fiber gyroscope.

Background

The modern optical fiber gyroscope is an instrument capable of accurately determining the direction of a moving object, is an inertial navigation instrument widely used in modern aviation, navigation, aerospace and national defense industries, and has very important strategic significance for the development of the industry, national defense and other high-tech development of a country. The fiber optic gyroscope is a sensing element based on a fiber optic coil, and light emitted by a laser diode propagates along the fiber optic in two directions. Compared with the traditional mechanical gyroscope, the optical fiber gyroscope has the advantages of full solid state, no rotating part and friction part, long service life, large dynamic range, instant start, simple structure, small size and light weight. Compared with a laser gyroscope, the optical fiber gyroscope has no locking problem, does not need to precisely process a light path on a quartz block, and has relatively low cost; when using, the connecting wire lug connection is connected to the connecting head, and the connecting wire can not be effectively fixed, so that the possibility of falling off or damage can be caused, the contact failure and other conditions can be caused, the use is not simple and convenient, the existing optical fiber gyroscope can vibrate during working, although the existing vibration reduction base can also reduce vibration, the vibration reduction effect is poor, and meanwhile, the spring can be used for volatilizing elasticity for a long time.

Disclosure of Invention

The invention mainly aims to provide a single-axis optical fiber gyroscope which can effectively solve the problems in the background art.

In order to achieve the purpose, the invention adopts the technical scheme that:

the utility model provides a single-axis fiber gyroscope, includes equipment principal and mounting panel, equipment principal's upper end fixed mounting has the top cap, and equipment principal's surface is provided with the connector that is used for interconnecting link, and the position department fixed mounting that squirrel equipment principal's surface is located the connector has the trapping mechanism, be equipped with the damping base on the mounting panel, and the damping base is connected with equipment principal, be connected through the damping base between mounting panel and the equipment principal, and the corner position department of mounting panel has seted up the mounting hole.

Preferably, the wire clamping structure comprises a fixed seat, a rotating seat, a screw hole, a rotating plate, a cavity, a buffering part and an adjusting screw, wherein the rotating seat is fixedly mounted on the fixed seat, the screw hole is formed in the fixed seat, the rotating plate is rotatably connected with the rotating seat, the cavity is formed between the rotating plate and the fixed seat, the buffering part is arranged on the rotating plate, and the adjusting screw is arranged on the rotating plate.

Preferably, the bolster includes inner chamber, spring, cushion and connecting block, the inner chamber is seted up on the rotor plate, and inner chamber internal fixation has the spring, fixed mounting has the connecting block on the cushion, and the connecting block is connected with the lower extreme of spring.

Preferably, the vibration damping base comprises a clamping groove, a vibration damping frame and a connecting seat, the clamping groove is formed in the mounting plate, the vibration damping frame is fixedly mounted in the clamping groove, and the connecting seat is fixedly mounted at the upper end of the vibration damping frame.

Preferably, the damping frame comprises fixing blocks, elastic pieces and buffer rods, the elastic pieces are connected between the fixing blocks, and the buffer rods are fixedly mounted at positions, located between the elastic pieces, on the fixing blocks.

Compared with the prior art, the invention has the following beneficial effects: this single-axis fiber gyroscope, through the trapping mechanism that sets up, the cooperation bolster is using, both can fix the connecting wire, guarantees that the connecting wire can not drop, can also prevent that pressure is too big and damage the connecting wire, adopts the damping base, carries out the damping through the damping frame, has improved the damping effect, can use for a long time simultaneously.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a single-axis optical fiber gyroscope according to the present invention;

FIG. 2 is a schematic structural diagram of a fiber clamping structure of a single-axis fiber gyroscope according to the present invention;

FIG. 3 is a schematic structural diagram of a buffer of a single-axis optical fiber gyroscope according to the present invention;

FIG. 4 is a schematic structural view of a vibration damping base of a single-axis optical fiber gyroscope according to the present invention;

FIG. 5 is a schematic structural diagram of a vibration damping mount of a single-axis optical fiber gyroscope according to the present invention.

In the figure: 1. an apparatus main body; 2. a top cover; 3. a connector; 4. a wire clamping structure; 401. a fixed seat; 402. a rotating base; 403. a screw hole; 404. a rotating plate; 405. a cavity; 406. a buffer member; 4061. an inner cavity; 4062. a spring; 4063. an elastic pad; 4064. connecting blocks; 407. an adjusting screw; 5. mounting a plate; 6. a vibration damping base; 601. a card slot; 602. a vibration damping frame; 6021. a fixed block; 6022. a spring plate; 6023. a buffer rod; 603. a connecting seat; 7. and (7) installing holes.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained by combining the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

As shown in fig. 1-5, a single-axis optical fiber gyroscope includes an apparatus main body 1 and a mounting plate 5, a top cover 2 is fixedly mounted at the upper end of the apparatus main body 1, a connector 3 for connecting a circuit is arranged on the outer surface of the apparatus main body 1, a wire clamping structure 4 is fixedly mounted at the position of the connector 3 on the outer surface of the squirrel apparatus main body 1, a vibration damping base 6 is arranged on the mounting plate 5, the vibration damping base 6 is connected with the apparatus main body 1, the mounting plate 5 is connected with the apparatus main body 1 through the vibration damping base 6, and a mounting hole 7 is formed at the corner position of the mounting plate 5;

the wire clamping structure 4 comprises a fixed seat 401, a rotating seat 402, a screw hole 403, a rotating plate 404, a cavity 405, a buffer member 406 and an adjusting screw 407, wherein the rotating seat 402 is fixedly installed on the fixed seat 401, the screw hole 403 is formed in the fixed seat 401, the rotating plate 404 is rotatably connected with the rotating seat 402, the cavity 405 is formed between the rotating plate 404 and the fixed seat 401, the buffer member 406 is arranged on the rotating plate 404, and the adjusting screw 407 is arranged on the rotating plate 404; the buffer member 406 includes an inner cavity 4061, a spring 4062, an elastic pad 4063, and a connecting block 4064, the inner cavity 4061 is opened on the rotating plate 404, the spring 4062 is fixedly installed in the inner cavity 4061, the connecting block 4064 is fixedly installed on the elastic pad 4063, and the connecting block 4064 is connected to a lower end of the spring 4062; the vibration reduction base 6 comprises a clamping groove 601, a vibration reduction frame 602 and a connecting seat 603, the clamping groove 601 is formed in the mounting plate 5, the vibration reduction frame 602 is fixedly mounted in the clamping groove 601, and the connecting seat 603 is fixedly mounted at the upper end of the vibration reduction frame 602; the vibration reduction frame 602 comprises fixing blocks 6021, elastic sheets 6022 and buffer rods 6023, wherein the elastic sheets 6022 are connected between the fixing blocks 6021, and the buffer rods 6023 are fixedly arranged on the fixing blocks 6021 at positions between the elastic sheets 6022.

It should be noted that, the present invention is a single-axis fiber optic gyroscope, when in use, a worker places the mounting plate 5 with the device main body 1 at a proper position, fits one end of a bolt with a corresponding threaded hole through the mounting hole 7, screws the bolt, thereby fixing the mounting plate 5, and further well installs the whole gyroscope, after the gyroscope is installed, the worker connects a relevant line to the connector 3 on the device main body 1, then clamps a relevant electric wire with the wire clamping structure 4, during the clamping, the worker rotates the rotating plate 404 on the rotating base 402, so that the rotating plate 404 rotates on the fixing base 401 until the rotating plate 404 covers the fixing base 401, at this time, the connecting wire passes through the cavity 405 formed by the fixing base 401 and the rotating plate 404, and contacts with the buffer 406, the worker rotates the adjusting screw 407 on the rotating plate 404, so that the end of the adjusting screw 407 fits with the threaded hole 403, until the connecting wire is fixed, during this time, the elastic pad 60263 in the 406 drives the connecting block 4064 to compress the spring 4062, thereby forming a certain buffering effect, thereby ensuring that the connecting wire is not only when the connecting wire is fixed, but the connecting wire is connected to the device can be connected to the vibration measuring device, and the measuring result can be measured, and the measuring device can be measured by the gyroscope, thereby improving the measuring result of the measuring device.

The foregoing shows and describes the general principles and features of the present invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A single-axis optical fiber gyroscope is characterized in that: the device comprises a device main body (1) and a mounting plate (5), wherein a top cover (2) is fixedly mounted at the upper end of the device main body (1), a connector (3) for connecting a circuit is arranged on the outer surface of the device main body (1), a wire clamping structure (4) is fixedly mounted at the position, located at the connector (3), of the outer surface of the device main body (1), a vibration damping base (6) is arranged on the mounting plate (5), the vibration damping base (6) is connected with the device main body (1), the mounting plate (5) is connected with the device main body (1) through the vibration damping base (6), and a mounting hole (7) is formed in the corner position of the mounting plate (5);

the wire clamping structure (4) comprises a fixed seat (401), a rotating seat (402), a screw hole (403), a rotating plate (404), a cavity (405), a buffer piece (406) and an adjusting screw (407), wherein the rotating seat (402) is fixedly installed on the fixed seat (401), the screw hole (403) is formed in the fixed seat (401), the rotating plate (404) is rotatably connected with the rotating seat (402), the cavity (405) is formed between the rotating plate (404) and the fixed seat (401), the buffer piece (406) is arranged on the rotating plate (404), and the adjusting screw (407) is arranged on the rotating plate (404);

the buffer piece (406) comprises an inner cavity (4061), a spring (4062), an elastic pad (4063) and a connecting block (4064), the inner cavity (4061) is arranged on the rotating plate (404), the spring (4062) is fixedly arranged in the inner cavity (4061), the connecting block (4064) is fixedly arranged on the elastic pad (4063), and the connecting block (4064) is connected with the lower end of the spring (4062);

the vibration reduction base (6) comprises a clamping groove (601), a vibration reduction frame (602) and a connecting seat (603), the clamping groove (601) is formed in the mounting plate (5), the vibration reduction frame (602) is fixedly installed in the clamping groove (601), and the connecting seat (603) is fixedly installed at the upper end of the vibration reduction frame (602);

the vibration reduction frame (602) comprises fixing blocks (6021), elastic sheets (6022) and buffer rods (6023), wherein the elastic sheets (6022) are connected between the fixing blocks (6021), and the buffer rods (6023) are fixedly arranged at positions, located between the elastic sheets (6022), on the fixing blocks (6021).