A fiber optic ring for a fiber optic gyroscope

Abstract

The utility model relates to the technical field of optical fiber ring for optical fiber gyro, and disclose a kind of optical fiber ring for optical fiber gyro, including optical fiber ring skeleton component and optical fiber ring body, optical fiber ring body is wound in the inside of optical fiber ring skeleton component, the outer surface of optical fiber ring skeleton component is equipped with outer thermal insulation shell, the inner surface of optical fiber ring skeleton component is equipped with inner thermal insulation shell.The utility model is wound in the splay shape wire slot of carbon fiber skeleton outer surface by optical fiber ring body, this wire winding mode can make optical fiber according to specific ordered path to be wound, guarantee the overall shape and dimensional accuracy of optical fiber ring, provide the optical path of foundation for the normal work of optical fiber gyro, help to evenly distribute optical fiber, reduce the stress concentration of optical fiber local, avoid optical fiber damage or performance decline due to excessive stress, ensure the stability and accuracy of optical fiber when transmitting optical signal.

Description

Technical Field

[0001] This utility model relates to the field of fiber optic ring technology for fiber optic gyroscopes, specifically to a fiber optic ring for fiber optic gyroscopes. Background Technology

[0002] As a high-precision angular velocity sensor based on the Sagnac effect, the fiber optic gyroscope plays a vital role in many fields such as modern navigation, aerospace, military defense, and geological exploration. The performance of its core component, the fiber optic ring, directly affects the measurement accuracy, stability, and reliability of the fiber optic gyroscope. With the continuous advancement of technology, the performance requirements for fiber optic gyroscopes are also increasing. Especially in complex and harsh working environments, how to ensure that the fiber optic ring can work stably and accurately has become a key problem that urgently needs to be solved.

[0003] In traditional fiber optic ring fabrication, the winding method is often simple and arbitrary, lacking precise control over the fiber winding path. This winding method can easily lead to uneven distribution of the fiber within the ring and localized stress concentration. When the fiber is subjected to stress, its optical properties will change, such as changes in refractive index and increased optical signal transmission loss, which will seriously affect the measurement accuracy and stability of the fiber optic gyroscope. Utility Model Content

[0004] The purpose of this invention is to provide an optical fiber ring for optical fiber gyroscopes, which solves the problem that in the traditional fabrication of optical fiber rings, the winding method is often simple and arbitrary, lacking precise control over the optical fiber winding path. This winding method easily leads to uneven distribution of the optical fiber within the ring and local stress concentration. When the optical fiber is subjected to stress, its optical properties will change, such as changes in refractive index and increased optical signal transmission loss, which will seriously affect the measurement accuracy and stability of the optical fiber gyroscope.

[0005] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0006] This utility model relates to an optical fiber ring for an optical fiber gyroscope, comprising an optical fiber ring skeleton assembly and an optical fiber ring body. The optical fiber ring body is wound inside the optical fiber ring skeleton assembly. An outer heat insulation shell is installed on the outer surface of the optical fiber ring skeleton assembly, and an inner heat insulation shell is installed on the inner surface of the optical fiber ring skeleton assembly. The optical fiber ring skeleton assembly includes a carbon fiber skeleton. An 8-shaped winding groove is formed on the outer surface of the carbon fiber skeleton. The optical fiber ring body is wound inside the 8-shaped winding groove. The inner heat insulation shell is fixedly installed inside the carbon fiber skeleton, and the outer heat insulation shell is fixedly installed on the outer surface of the carbon fiber skeleton.

[0007] Furthermore, a first cavity is formed inside the carbon fiber skeleton.

[0008] Furthermore, a second cavity is formed inside the carbon fiber skeleton.

[0009] Furthermore, the carbon fiber skeleton is equipped with several lead pellet counterweights inside.

[0010] Furthermore, an aerogel film is installed inside the first cavity.

[0011] Furthermore, a silicone ring is installed inside the second cavity.

[0012] Furthermore, the outer surface of the carbon fiber skeleton is provided with a hot-melt coating, which covers the outer surface of the optical fiber ring body.

[0013] This utility model has the following beneficial effects:

[0014] (1) In this invention, the optical fiber ring body is wound in the figure-eight winding groove on the outer surface of the carbon fiber skeleton. This winding method enables the optical fiber to be wound in a specific orderly path, ensuring the overall shape and size accuracy of the optical fiber ring, providing a basic optical path for the normal operation of the optical fiber gyroscope, helping to distribute the optical fiber evenly, reducing local stress concentration in the optical fiber, avoiding damage or performance degradation of the optical fiber due to excessive stress, and ensuring the stability and accuracy of the optical fiber when transmitting optical signals.

[0015] (2) The aerogel film in the first cavity of this utility model has good heat insulation performance, which can further prevent the transfer of heat and enhance the heat preservation effect. The silicone ring in the second cavity can not only increase the heat preservation performance, but also play a certain sealing role to prevent outside air from entering the cavity and affecting the heat preservation effect.

[0016] (3) The lead pellet counterweights inside the carbon fiber skeleton of this utility model can adjust the overall weight distribution of the optical fiber ring as needed to achieve a balanced state.

[0017] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram showing the overall structure of this utility model disassembled;

[0020] Figure 2 This is a schematic diagram of the overall structure of this utility model;

[0021] Figure 3 This is a partial structural breakdown diagram of the present utility model;

[0022] Figure 4 This is a schematic cross-sectional view of part of the structure of this utility model;

[0023] Figure 5 This utility model Figure 4 Enlarged schematic diagram of structure A in the image;

[0024] The attached diagram lists the components represented by each number as follows:

[0025] In the figure: 1. Fiber optic ring skeleton assembly; 101. Carbon fiber skeleton; 102. Figure-eight winding groove; 103. First cavity; 104. Second cavity; 105. Lead pellet counterweight; 106. Aerogel film; 107. Silicone ring; 2. Fiber optic ring body; 3. Hot melt coating; 4. Inner insulation shell; 5. Outer insulation shell. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] Please see Figures 1-5 As shown, this utility model is an optical fiber ring for an optical fiber gyroscope, including an optical fiber ring skeleton assembly 1 and an optical fiber ring body 2. The optical fiber ring skeleton assembly 1 has the optical fiber ring body 2 wound inside. An outer heat insulation shell 5 is installed on the outer surface of the optical fiber ring skeleton assembly 1, and an inner heat insulation shell 4 is installed on the inner surface of the optical fiber ring skeleton assembly 1. The optical fiber ring skeleton assembly 1 includes a carbon fiber skeleton 101. The outer surface of the carbon fiber skeleton 101 has a figure-eight-shaped winding groove 102. The optical fiber ring body 2 is wound inside the figure-eight-shaped winding groove 102. The inner heat insulation shell 4 is fixedly installed inside the carbon fiber skeleton 101, and the outer heat insulation shell 5 is fixedly installed on the outer surface of the carbon fiber skeleton 101.

[0028] By winding the fiber optic ring body 2 into the figure-eight-shaped winding groove 102 on the outer surface of the carbon fiber skeleton 101, this winding method enables the fiber optic to be wound in a specific ordered path, ensuring the overall shape and dimensional accuracy of the fiber optic ring, providing a basic optical path for the normal operation of the fiber optic gyroscope, helping to distribute the fiber optic evenly, reducing local stress concentration in the fiber optic, avoiding damage or performance degradation of the fiber optic due to excessive stress, and ensuring the stability and accuracy of the fiber optic when transmitting optical signals.

[0029] The carbon fiber skeleton 101 has a first cavity 103 inside;

[0030] The carbon fiber skeleton 101 has a second cavity 104 inside;

[0031] The carbon fiber skeleton 101 has several lead pellet counterweights 105 inside;

[0032] An aerogel film 106 is installed inside the first cavity 103;

[0033] A silicone ring 107 is installed inside the second cavity 104;

[0034] The aerogel film 106 in the first cavity 103 has good heat insulation properties, which can further prevent heat transfer and enhance the heat preservation effect. The silicone ring 107 in the second cavity 104 can not only increase the heat preservation performance, but also play a certain sealing role to prevent outside air from entering the cavity and affecting the heat preservation effect.

[0035] The lead pellet counterweights 105 inside the carbon fiber skeleton 101 can adjust the overall weight distribution of the fiber optic ring as needed to achieve a balanced state.

[0036] The outer surface of the carbon fiber skeleton 101 is provided with a hot melt coating 3, which covers the outer surface of the optical fiber ring body 2.

[0037] The hot-melt coating 3 on the outer surface of the carbon fiber skeleton 101 covers the outer surface of the fiber ring body 2, which can protect the fiber ring and prevent it from being damaged by external physical forces such as friction and scratches. At the same time, the hot-melt coating 3 can also play a certain role in moisture and dust prevention, and extend the service life of the fiber ring.

[0038] In use, the fiber optic ring body 2 is first wound around the figure-eight winding groove 102 on the outer surface of the carbon fiber skeleton 101. This winding method enables the fiber to be wound in a specific ordered path, ensuring the overall shape and dimensional accuracy of the fiber optic ring, providing a basic optical path for the normal operation of the fiber optic gyroscope, helping to distribute the fiber evenly, reducing local stress concentration in the fiber, avoiding damage or performance degradation of the fiber due to excessive stress, and ensuring the stability and accuracy of the fiber when transmitting optical signals.

[0039] The aerogel film 106 in the first cavity 103 has good heat insulation properties, which can further prevent heat transfer and enhance the heat preservation effect. The silicone ring 107 in the second cavity 104 can not only increase the heat preservation performance, but also play a certain sealing role to prevent outside air from entering the cavity and affecting the heat preservation effect.

[0040] The lead pellet counterweights 105 inside the carbon fiber skeleton 101 can adjust the overall weight distribution of the fiber optic ring as needed to achieve a balanced state.

[0041] The hot-melt coating 3 on the outer surface of the carbon fiber skeleton 101 covers the outer surface of the fiber ring body 2, which can protect the fiber ring and prevent it from being damaged by external physical forces such as friction and scratches. At the same time, the hot-melt coating 3 can also play a certain role in moisture and dust prevention, and extend the service life of the fiber ring.

[0042] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A fiber optic ring for a fiber optic gyroscope, comprising a fiber optic ring skeleton assembly (1) and a fiber optic ring body (2), wherein an outer heat-insulating shell (5) is mounted on the outer surface of the fiber optic ring skeleton assembly (1), and an inner heat-insulating shell (4) is mounted on the inner surface of the fiber optic ring skeleton assembly (1), characterized in that: The fiber optic ring skeleton assembly (1) includes a carbon fiber skeleton (101), the outer surface of which is provided with a figure-eight winding groove (102), the inside of which is wound with a fiber optic ring body (2), the inner heat insulation shell (4) is fixedly installed inside the carbon fiber skeleton (101), and the outer heat insulation shell (5) is fixedly installed on the outer surface of the carbon fiber skeleton (101).

2. The fiber coil for an optical fiber gyroscope according to claim 1, wherein: The carbon fiber skeleton (101) has a first cavity (103) inside.

3. The fiber coil for an optical fiber gyroscope according to claim 1, wherein: The carbon fiber skeleton (101) has a second cavity (104) inside.

4. The fiber coil for an optical fiber gyroscope according to claim 1, wherein: The carbon fiber skeleton (101) has several lead pellet counterweights (105) inside.

5. The fiber coil for an optical fiber gyroscope according to claim 2, wherein: An aerogel film (106) is installed inside the first cavity (103).

6. The fiber optic ring for a fiber optic gyroscope according to claim 3, characterized in that: A silicone ring (107) is installed inside the second cavity (104).

7. The fiber coil for use in an optical fiber gyroscope according to claim 1, wherein: The outer surface of the carbon fiber skeleton (101) is provided with a hot melt coating (3), which covers the outer surface of the optical fiber ring body (2).

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