Oil immersion resistant optical fiber penetrating device

Abstract

The utility model discloses an oil immersion resistant optical fiber penetrating device, which comprises a penetrating device body, a first ceramic ferrule and a second ceramic ferrule, and a first filling space is arranged between the first ceramic ferrule and the second ceramic ferrule. The first filling space is filled with glass solder, a connecting optical fiber is sealed in the glass solder, and the two ends of the connecting optical fiber are connected with the first ceramic ferrule and the second ceramic ferrule respectively. A first ceramic ferrule and a second ceramic ferrule are designed in a segmented manner, a filling space is reserved in a through device body, a connecting optical fiber is packaged in the first filling space through a glass solder, and two ends of the connecting optical fiber are respectively connected with the first ceramic ferrule and the second ceramic ferrule to form a conductive optical path. The purpose of realizing stable transmission of optical signals in an oil immersion environment is achieved, so that high sealing performance and reliability of an optical fiber system are realized, and the technical problem of signal transmission interruption caused by sealing failure of the optical fiber penetrating device in a complex oil immersion environment is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to optical fiber technical field especially relates to a kind of oil-immersed optical fiber through device. BACKGROUND

[0002] With the continuous development of industrial automation, intelligent manufacturing and precision control system, optical fiber communication technology has been widely applied in many fields. Especially in petrochemical industry, electric power, marine exploration, military industry, deep-sea exploration and other special environments, optical fiber not only has to withstand high temperature, high pressure and other harsh conditions, but also needs to cope with oil immersion, corrosive liquid and other complex working environments. Therefore, the design of optical fiber connecting device not only needs to ensure the stable transmission of optical signal, but also needs to have good oil resistance, sealing and mechanical strength.

[0003] Traditional optical fiber through device mostly adopts simple metal or plastic shell, but in oil immersion environment, the sealing and corrosion resistance of optical fiber connector often cannot meet the needs of long-term stable operation. Although some optical fiber through devices in the prior art can realize basic optical signal transmission, they are prone to sealing failure, unstable optical fiber connection and structural damage in oil immersion environment, which leads to interruption of optical signal transmission and affects the normal operation of industrial system.

[0004] In addition, the coaxiality and concentricity of the optical fiber connection part of the optical fiber through device are also key factors affecting signal quality. In traditional design, the assembly precision of optical fiber is low, which easily leads to loss or distortion of signal transmission. Especially in high-demand industrial environments, such signal transmission loss will cause serious system performance degradation.

[0005] Therefore, it is an urgent need in industrial applications to develop an optical fiber through device that can work stably in oil immersion and other harsh environments for a long time, with higher sealing, oil resistance, optical fiber connection precision and reliability. This is also the background and technical requirement of the present application for oil-immersed optical fiber through device. SUMMARY

[0006] The oil-immersed optical fiber through device of the utility model is used to solve the technical problems in the background art.

[0007] The technical scheme provided by the utility model is as follows: an oil-immersed optical fiber through device, comprising: a through device body, a first ceramic ferrule connected to one side of the through device body, a second ceramic ferrule connected to the other side of the through device body, a first coupler connected to one side of the through device body for fixing the first ceramic ferrule, and a second coupler connected to the other side of the through device body for fixing the second ceramic ferrule.

[0008] A first filling space is formed in the through-body between the first ceramic ferrule and the second ceramic ferrule; the first filling space is filled with glass solder, and the connecting optical fiber is sealed in the glass solder, and the two ends of the connecting optical fiber are connected to the first ceramic ferrule and the second ceramic ferrule respectively.

[0009] In some embodiments, the end face of the first ceramic ferrule away from the second ceramic ferrule is internally provided with a first soldering space; and the end face of the second ceramic ferrule away from the first ceramic ferrule is internally provided with a second soldering space.

[0010] In some embodiments, the first ceramic ferrule and the second ceramic ferrule are coaxially arranged.

[0011] In some embodiments, the first soldering space and the second soldering space are both soldered with external optical fibers through glass solder.

[0012] In some embodiments, one end of the first ceramic ferrule is inserted into the through-body, and the other end is inserted into the first coupler.

[0013] In some embodiments, one end of the second ceramic ferrule is inserted into the through-body, and the other end is inserted into the second coupler.

[0014] In some embodiments, the first coupler and the second coupler are both externally provided with optical fiber connectors.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] The oil-immersion-resistant optical fiber through-body adopts the mode that the first ceramic ferrule and the second ceramic ferrule are designed in sections on both sides of the through-body, the connecting optical fiber is firmly packaged in the first filling space by reserving a filling space in the through-body and filling the glass solder, the two ends of the connecting optical fiber are connected to the first ceramic ferrule and the second ceramic ferrule respectively, a conductive light path is formed, the purpose of realizing stable transmission of optical signals in an oil-immersed environment is achieved, the technical effects of high sealing performance and reliability of the optical fiber system are achieved, and the technical problem that the signal transmission is interrupted due to sealing failure of the optical fiber through-body in a complex oil-immersed environment is solved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 is a perspective structural schematic view of the oil-immersion-resistant optical fiber through-body of the utility model;

[0018] Fig. 2 is a sectional view of the oil-immersion-resistant optical fiber through-body of the utility model.

[0019] The reference signs are as follows: 1, through body; 2, first ceramic ferrule; 3, second ceramic ferrule; 4, first coupler; 5, second coupler; 6, first filling space; 7, connecting optical fiber; 8, first welding space; 9, second welding space; 10, optical fiber joint. DETAILED DESCRIPTION

[0020] The application will be described in detail below with specific examples. The following examples will help those skilled in the art to further understand the application, but do not limit the application in any form. It should be noted that those skilled in the art can make several changes and improvements without departing from the concept of the application. These are within the scope of the application.

[0021] As Figs. 1-2 shown, the utility model is an oil immersion resistant optical fiber through device, include: through body 1, first ceramic ferrule 2, second ceramic ferrule 3, first coupler 4 and second coupler 5, the fixed position of first ceramic ferrule 2 and second ceramic ferrule 3 is formed in through body 1 inside, first coupler 4 and second coupler 5 are arranged respectively at both ends of through body 1, are used for fixing and packaging first ceramic ferrule 2 and second ceramic ferrule 3, make through device whole have good structural strength and sealing performance, first filling space 6 is set up in through body 1 inside, fill glass solder in first filling space 6, the connecting optical fiber 7 is sealed in glass solder, and the connecting optical fiber 7 both ends are connected first ceramic ferrule 2 and second ceramic ferrule 3, form reliable packaging connection structure. The mode that first ceramic ferrule 2 and second ceramic ferrule 3 are designed in the segmented way of through body 1 both sides, by reserving filling space in through body 1 inside and filling glass solder, connecting optical fiber 7 is firmly packaged in first filling space 6, and the both ends of connecting optical fiber 7 are connected with first ceramic ferrule 2 and second ceramic ferrule 3 respectively, form the light path of conduction, reach the purpose that realizes the stable transmission of optical signal in oil immersion environment, thereby realize the high sealing property and reliability technical effect of optical fiber system, and then solve the technical problem that optical fiber through device is interrupted in signal transmission due to sealing failure in complex oil immersion environment.

[0022] In the preferred embodiment, the first ceramic ferrule 2 and the second ceramic ferrule 3 are coaxially arranged to ensure high alignment accuracy of optical fiber signal transmission in the through device.

[0023] The end face of the first ceramic ferrule 2 away from the second ceramic ferrule 3 is internally provided with a first welding space 8; the end face of the second ceramic ferrule 3 away from the first ceramic ferrule 2 is internally provided with a second welding space 9; through the design of the first welding space 8 and the second welding space 9, the coaxial and concentric degree of the optical fiber assembly is ensured, a clear optical fiber positioning reference is provided, the axial deviation and angle error that may occur during optical fiber butt joint are effectively reduced, and the efficiency and quality of optical path transmission are further improved.

[0024] In the embodiment, the first welding space 8 and the second welding space 9 are used for welding and fixing of the optical fiber, are internally filled with glass solder, and the external optical fiber is welded and connected with the first ceramic ferrule 2 and the second ceramic ferrule 3 respectively through the glass solder; after welding and sealing, grinding is performed again to ensure flatness; through the packaging of the glass solder, the invasion of external oil and pollutants is prevented, and the long-term reliability of the through device in an oil immersion environment and the stable transmission of optical signals are ensured.

[0025] Specifically, one end of the first ceramic ferrule 2 is inserted into the through device body 1, and the other end is inserted into the first coupler 4; the first coupler 4 is connected with the through device body 1 and fixes the first ceramic ferrule 2; one end of the second ceramic ferrule 3 is inserted into the through device body 1, and the other end is inserted into the second coupler 5; the second coupler 5 is connected with the through device body 1 and fixes the second ceramic ferrule 3. This design ensures the stable positioning of the ceramic ferrule in the through device, and realizes reliable optical fiber connection with the external system through the coupler.

[0026] Further, the first coupler 4 and the second coupler 5 are both externally provided with an optical fiber joint 10; a standardized interface is provided, which facilitates quick connection and disconnection of the optical fiber through device with the external optical fiber system, and makes the maintenance, installation and replacement of the optical fiber system more convenient and efficient.

[0027] Working principle:

[0028] The first ceramic ferrule 2 and the second ceramic ferrule 3 are arranged in the through-body 1 in a segmented manner; the first filling space 6 is formed in the through-body 1, the first filling space 6 is filled with glass solder, the glass solder is internally sealed to connect the optical fiber 7, the two ends of the optical fiber 7 are respectively connected to the first ceramic ferrule 2 and the second ceramic ferrule 3, and a reliable packaging connection structure is formed. The first ceramic ferrule 2 and the second ceramic ferrule 3 are designed in a segmented manner on both sides of the through-body 1, the filling space is reserved in the through-body 1 and filled with glass solder, the optical fiber 7 is firmly packaged in the first filling space 6, the two ends of the optical fiber 7 are respectively connected to the first ceramic ferrule 2 and the second ceramic ferrule 3, and a light path is formed, the purpose of realizing stable transmission of optical signals in an oil immersion environment is achieved, the technical effects of high sealing performance and reliability of the optical fiber system are achieved, and the technical problem that the signal transmission is interrupted due to sealing failure of the optical fiber through-body in a complex oil immersion environment is solved.

[0029] In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "transverse", "longitudinal" and the like indicate the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not intended to limit the indicated devices, elements or components to a particular orientation, or to be constructed and operated in a particular orientation.

[0030] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. An oil-resistant optical fiber connector, characterized in that, The utility model relates to a kind of optical fiber connector, including: Through the body (1) of the through, the first ceramic ferrule (2) is connected to one side in the through the body (1), the second ceramic ferrule (3) is connected to the other side in the through the body (1), the first coupling device (4) is connected with one side of the through the body (1), for fixing the first ceramic ferrule (2), and the second coupling device (5) is connected with the other side of the through the body (1), for fixing the second ceramic ferrule (3); In the through the body (1), first filling space (6) is opened between the first ceramic ferrule (2) and the second ceramic ferrule (3);The first filling space (6) is filled with glass solder, the glass solder is sealedly connected with optical fiber (7), and the both ends of the optical fiber (7) are connected with first ceramic ferrule (2) and second ceramic ferrule (3) respectively.

2. An oil immersion resistant optical fiber ferrule as claimed in claim 1, wherein, The end face of the first ceramic ferrule (2) away from the second ceramic ferrule (3) is opened to the inside with first solder space (8);The end face of the second ceramic ferrule (3) away from the first ceramic ferrule (2) is opened to the inside with second solder space (9).

3. An oil immersion resistant optical fiber ferrule as described in claim 1, wherein, The first ceramic ferrule (2) and the second ceramic ferrule (3) are coaxially arranged.

4. An oil immersion resistant optical fiber ferrule as defined in claim 2, wherein, The first solder space (8) and the second solder space (9) are both welded with external optical fiber by glass solder.

5. An oil immersion resistant optical fiber ferrule as described in claim 1, wherein, The first ceramic ferrule (2) is inserted into the through the body (1) at one end, and is inserted into the first coupling device (4) at the other end.

6. An oil immersion resistant optical fiber ferrule as described in claim 1, wherein, The second ceramic ferrule (3) is inserted into the through the body (1) at one end, and is inserted into the second coupling device (5) at the other end.

7. An oil immersion resistant optical fiber ferrule as described in claim 1 wherein, The first coupling device (4) and the second coupling device (5) are both provided with optical fiber joint (10) outside.

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