Attitude sensor and attitude adjustment system

Abstract

The utility model relates to the technical field of underwater acoustic detection, and provides a posture sensor and a posture adjustment system. The posture sensor includes: a shell, an end cover, a posture circuit board and a photoelectric conversion module. The posture circuit board is arranged in the shell, and the photoelectric conversion module is installed on the posture circuit board; an opening is arranged at one end of the shell, and the end cover is arranged at the opening. The photoelectric conversion module is provided with an optical fiber, and the optical fiber is passed through the end cover for connection with external equipment. The photoelectric conversion module is used to convert the electrical signal on the posture circuit board into an optical fiber signal and transmit it. The utility model converts the electrical signal into an optical fiber signal for transmission, thereby avoiding interference of the signal during transmission, reducing loss, and improving the transmission signal.

Description

Technical Field

[0001] The utility model relates to the technical field of underwater sound detection, in particular to a posture sensor and a posture adjustment system. Background Art

[0002] In ocean exploration, underwater communications and many related fields, fiber array technology has been widely used due to its excellent transmission performance and stability. As the core component of key systems such as underwater acoustic detection, the performance of the attitude sensor in the fiber array directly affects the accuracy and reliability of the overall system. However, traditional electrical attitude sensors face many challenges in all-optical array applications, such as power supply problems and limitations of signal transmission methods.

[0003] Specifically, traditional electrical attitude sensors are usually unable to be powered independently in an all-optical array environment, which limits their application in complex scenarios. At the same time, such sensors rely on external cables to transmit attitude sensing signals, which not only increases the complexity and cost of installation, but is also susceptible to electromagnetic interference, resulting in signal quality degradation. Utility Model Content

[0004] The utility model provides a posture sensor and a posture adjustment system, which are used to solve the problems of limited transmission mode, difficult installation and poor signal quality of the posture sensor in the prior art.

[0005] The utility model provides a posture sensor, comprising: a shell, an end cover, a posture circuit board and a photoelectric conversion module, wherein the posture circuit board is arranged in the shell, and the photoelectric conversion module is installed on the posture circuit board; an opening is arranged at one end of the shell, and the end cover is arranged at the opening; the photoelectric conversion module is provided with an optical fiber, and the optical fiber passes through the end cover for connection with external equipment, and the photoelectric conversion module is used for converting the electrical signal on the posture circuit board into an optical fiber signal and transmitting it.

[0006] According to a posture sensor provided by the utility model, the posture sensor further includes a power supply module, and the power supply module is arranged in the shell and electrically connected to the posture circuit board.

[0007] According to a posture sensor provided by the utility model, the posture sensor also includes a plug, the end cover is provided with a mounting hole, the plug is sealingly installed on the mounting hole, and the plug is provided with a wire through hole, the optical fiber is passed through the wire through hole, and sealant is filled between the optical fiber and the wire through hole and between the plug and the mounting hole.

[0008] According to a posture sensor provided by the utility model, a stopper is provided on the inner wall of the shell, the stopper is arranged along the circumference of the shell, and the stopper is arranged close to the opening for limiting the plug.

[0009] According to a posture sensor provided by the utility model, the posture sensor further includes a sealing member, and the sealing member is arranged between the end cover and the shell.

[0010] According to a posture sensor provided by the utility model, there are multiple sealing components, and the multiple sealing components are arranged at intervals along the central axis of the shell.

[0011] According to a posture sensor provided by the utility model, a first groove and a second groove are provided at the bottom of the shell, the posture circuit board is adapted to be embedded in the first groove, and the power supply module is adapted to be embedded in the second groove.

[0012] According to a posture sensor provided by the utility model, a first limiting portion is provided on the top of the first groove, and the first limiting portion is used to limit the posture circuit board; a second limiting portion is provided on the top of the second groove, and the second limiting portion is used to limit the power supply module.

[0013] According to a posture sensor provided by the utility model, the first limiting portion is rotatably connected to the top of the first groove and can be rotated around a direction perpendicular to the central axis of the shell; the second limiting portion is rotatably connected to the top of the second groove and can be rotated around a direction perpendicular to the central axis of the shell.

[0014] The utility model also provides a posture adjustment system, comprising at least one posture sensor and an array cable as described in any one of the above items, and each of the posture sensors is connected to the array cable.

[0015] The posture sensor and posture adjustment system provided by the utility model are provided with a posture circuit board in a housing, and a photoelectric conversion module is installed on the posture circuit board. The photoelectric conversion module can convert the electrical signal on the posture circuit board into an optical fiber signal; by setting an end cover at the end of the housing to form a sealed cavity, the posture circuit board and the photoelectric conversion module are isolated from the water source, thereby improving the watertight performance; the optical fiber of the photoelectric conversion module is connected to external equipment through the end cover, thereby realizing the transmission of the optical fiber signal. The utility model converts the electrical signal into an optical fiber signal for transmission, thereby avoiding interference of the signal during the transmission process, reducing the loss, and improving the transmission signal. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the present invention or the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a structural schematic diagram of the photoelectric sensor provided by the utility model;

[0018] Reference numerals:

[0019] 1. Shell; 2. End cover; 3. Posture circuit board; 4. Photoelectric conversion module; 5. Optical fiber; 6. Power supply module; 7. Plug; 8. Stopper. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be described clearly and completely in conjunction with the drawings in the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] In the description of the embodiments of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present utility model can be understood according to specific circumstances.

[0022] In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of the present invention.

[0023] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0024] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0025] The disclosure below provides many different embodiments or examples for realizing different structures of the utility model. In order to simplify the disclosure of the utility model, the components and settings of specific examples are described below. Of course, they are merely examples, and the purpose is not to limit the utility model. In addition, the utility model can repeat reference numbers and / or letters in different examples. This repetition is for the purpose of simplification and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed. In addition, the utility model provides various specific examples of processes and materials, but those of ordinary skill in the art can be aware of the applicability of other processes and / or the use of other materials.

[0026] Combine the following Figure 1 The utility model describes a posture sensor and a posture adjustment system.

[0027] The posture sensor provided by the utility model comprises: a shell 1, an end cover 2, a posture circuit board 3 and a photoelectric conversion module 4, wherein the posture circuit board 3 is arranged in the shell 1, and the photoelectric conversion module 4 is installed on the posture circuit board 3; an opening is arranged at one end of the shell 1, and the end cover 2 is arranged at the opening. Specifically, the end cover 2 can be fastened to the shell 1 by bolts to form a sealed cavity, and the posture circuit board 3 is arranged in the sealed cavity; the photoelectric conversion module 4 is provided with an optical fiber 5, and the optical fiber 5 passes through the end cover 2 for connecting with external equipment, and the photoelectric conversion module is used to convert the electrical signal on the posture circuit board 3 into an optical fiber 5 signal, and transmit the optical fiber 5.

[0028] The posture sensor provided by the utility model is provided with a posture circuit board 3 in a housing 1, and a photoelectric conversion module is installed on the posture circuit board 3. The photoelectric conversion module can convert the electrical signal on the posture circuit board 3 into the optical fiber 5 signal; the end cover 2 is provided on the end of the housing 1 to form a sealed cavity, the posture circuit board 3 and the photoelectric conversion module 4 are isolated from the water source, and the watertight performance is improved; the optical fiber 5 of the photoelectric conversion module 4 passes through the end cover 2 and is connected to the external equipment, thereby realizing the transmission of the optical fiber 5 signal. The utility model converts the electrical signal into the optical fiber 5 signal for transmission, avoids the signal from being interfered during the transmission process, reduces the loss, and improves the transmission signal.

[0029] refer to Figure 1 The attitude sensor provided by the utility model also includes a power supply module 6, which is arranged in the housing 1 and electrically connected to the attitude circuit board 3 to power the attitude sensor, thereby realizing independent power supply and having a wide range of application scenarios.

[0030] The power supply module 6 in the present invention includes a battery.

[0031] The posture sensor provided by the utility model also includes a plug 7, a mounting hole is provided on the end cover 2, the plug 7 is sealed and installed in the mounting hole, and a wire hole is provided on the plug 7, the optical fiber 5 of the photoelectric conversion module 4 is passed through the wire hole, and sealant is filled between the optical fiber 5 of the photoelectric module and the wire hole and between the plug 7 and the mounting hole.

[0032] During the actual installation process, the optical fiber 5 on the photoelectric conversion module 4 passes through the wire hole on the plug 7, and the plug 7 is installed in the installation hole; after the installation is completed, the gap between the plug 7 and the installation hole and the gap between the optical fiber 5 and the wire hole are filled with sealant, thereby further ensuring the sealing performance of the overall structure.

[0033] The sealant in the utility model comprises a watertight filler.

[0034] Furthermore, a stopper 8 is provided on the inner wall of the shell 1 . The stopper 8 is arranged along the circumference of the shell 1 and is arranged close to the opening for limiting the plug 7 .

[0035] In one embodiment, the stopper 8 includes a protrusion, which is disposed on the inner wall of the shell 1 and is arranged along the circumference of the shell 1 to form a step inside the shell 1 to prevent the plug 7 from moving toward the inside of the shell 1 and enhance the seal.

[0036] The structure of the housing 1 in the present invention is not specifically limited, and the cross-section of the housing 1 can be circular, elliptical, or polygonal. In one embodiment, the housing 1 is a rectangular structure, and the plug 7 is also a rectangular structure.

[0037] The plug 7 in the present invention comprises a piece made of elastic material, such as a piece made of rubber, which is beneficial to improving the sealing performance.

[0038] The attitude sensor in the utility model further comprises a sealing member, which is arranged between the end cover 2 and the housing 1 to ensure the sealing between the housing 1 and the end cover 2 .

[0039] Furthermore, there are multiple seals, which are arranged at intervals between the shell 1 and the end cover 2 along the central axis of the shell 1. The sealing performance is further improved through multiple sealing.

[0040] In one embodiment, the sealing member is an annular sealing ring, and there are two annular sealing rings, which are spaced apart along the central axis of the housing 1 to improve the sealing performance.

[0041] The bottom of the housing 1 of the utility model is provided with a first groove and a second groove, the posture circuit board 3 is adapted to be embedded in the first groove, and the power supply module 6 is adapted to be embedded in the second groove.

[0042] The utility model prevents the posture circuit board 3 and the power supply module 6 from moving back and forth at the two ends of the housing 1 by fitting the posture circuit board 3 into the first groove and fitting the power supply module 6 into the second groove.

[0043] Furthermore, a first limiting portion is provided at the top of the first groove, and the first limiting portion is used to limit the posture circuit board 3 to prevent the posture circuit board 3 from moving up and down in the shell 1; a second limiting portion is provided at the top of the second groove, and the second limiting portion is used to limit the power supply module 6 to prevent the power supply module 6 from moving up and down in the shell 1.

[0044] The first limiting part is rotatably connected to the top of the first groove, and the first limiting part can rotate around a central axis perpendicular to the shell 1. During the installation process, the position of the first limiting part can be adjusted by rotating the first limiting part, which is convenient for installation; the second limiting part is rotatably connected to the top of the second groove, and the second limiting part can rotate around a central axis perpendicular to the shell 1. During the installation process, the position of the second limiting part can be adjusted by rotating the second limiting part, which is convenient for installation.

[0045] The utility model restricts the posture circuit board 3 and the power supply module 6 from moving back and forth at both ends of the shell 1 by fitting the posture circuit board 3 into the first groove and fitting the power supply module 6 into the second groove; restricts the posture circuit board 3 and the power supply module 6 from moving up and down by setting a first limiting portion at the top of the first groove and a second limiting portion at the top of the second groove; thereby, the posture circuit board 3 and the power supply module 6 are stably fixed at the bottom of the shell 1.

[0046] The posture sensor provided by the utility model is powered independently by the power supply module 6 in the shell 1, and the electrical signal is converted into the optical fiber 5 signal by the photoelectric conversion module and transmitted through the optical fiber 5. Compared with the posture sensor powered by the cable, the utility model has the characteristics of easy installation, signal anti-interference, and low loss.

[0047] The posture sensor provided by the utility model is suitable for a full optical array.

[0048] The utility model also provides a posture adjustment system, comprising at least one posture sensor in any of the above embodiments.

[0049] Furthermore, the attitude adjustment system also includes an array cable, and each attitude sensor is connected to the array cable.

[0050] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A posture sensor, characterized in that: include: A shell, an end cover, a posture circuit board and a photoelectric conversion module, wherein the posture circuit board is arranged in the shell, and the photoelectric conversion module is installed on the posture circuit board; an opening is arranged at one end of the shell, and the end cover is arranged at the opening, and the photoelectric conversion module is provided with an optical fiber, and the optical fiber passes through the end cover for connection with external equipment, and the photoelectric conversion module is used to convert the electrical signal on the posture circuit board into an optical fiber signal and transmit it.

2. The attitude sensor according to claim 1, characterized in that: The posture sensor further includes a power supply module, which is disposed in the housing and electrically connected to the posture circuit board.

3. The attitude sensor according to claim 1, characterized in that: The posture sensor also includes a plug, the end cover is provided with a mounting hole, the plug is sealingly installed in the mounting hole, and the plug is provided with a wire through hole, the optical fiber is passed through the wire through hole, and sealant is filled between the optical fiber and the wire through hole and between the plug and the mounting hole.

4. The attitude sensor according to claim 3, characterized in that: The inner wall of the shell is provided with a stopper, the stopper is arranged along the circumference of the shell, and the stopper is arranged close to the opening, so as to limit the plug.

5. The attitude sensor according to claim 1, characterized in that: The posture sensor further includes a sealing member, and the sealing member is arranged between the end cover and the housing.

6. The attitude sensor according to claim 5, characterized in that: There are a plurality of sealing members, and the plurality of sealing members are arranged at intervals along the central axis of the housing.

7. The attitude sensor according to claim 2, characterized in that: A first groove and a second groove are provided at the bottom of the shell. The posture circuit board is adapted to be embedded in the first groove, and the power supply module is adapted to be embedded in the second groove.

8. A posture adjustment system, characterized in that: The method comprises at least one attitude sensor and an array cable as claimed in any one of claims 1 to 7, wherein each of the attitude sensors is connected to the array cable.

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