Photoelectric conversion connector

CN224758771UActive Publication Date: 2026-09-15HISENSE & JONHON OPTICAL ELECTRICAL TECH CO LTD
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Patent Information

Application Number
CN202521690859.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-08-08
Publication Date
2026-09-15
Estimated Expiration
2035-08-08

AI Technical Summary

Technical Problem

[0005]针对背景技术中提出的设备间光纤通信时需要在设备内部添加光电转换模块增加设备设计难度及设备体积的问题,本实用新型提出一种光电转换连接器,标准连接器内设置有源的光电转换接触件,不更改连接器结构及电信号设备结构前提下,实现电通信与光通信之间的转换,扩大可选通信类型及提升通信转换效率

Benefits of technology

[0016]This utility model's optoelectronic conversion connector enables pluggable connection between electrical communication equipment and optical cables by incorporating active optoelectronic conversion contacts within the connector housing and insulating components of a standard or compatible structure. This allows for pluggable connections even in hybrid optoelectronic cables. Simultaneously, it achieves the conversion between electrical and optical signals without requiring modifications to the connector or electrical signal equipment structure, thus reducing their size, improving communication upgrade efficiency, and lowering upgrade costs. Furthermore, by implementing optical-to-electrical signal conversion within the connector, it enhances the resilience of communication conversion equipment to special operating conditions such as vibration, shock, and temperature/humidity variations. This broadens the types of products using optical fiber communication and their application areas, while ensuring reliability in special fields or environments.

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Abstract

The utility model discloses a photoelectric conversion connector, including connector casing, setting in the insulator of connector casing and setting in the photoelectric conversion contact piece of insulator, the connector casing, the insulator are all standard spare structure or standard spare compatible structure, the photoelectric conversion contact piece includes electric signal end, active conversion module, optical fiber end, active conversion module is connected with electric signal end optical fiber end respectively, is used for the conversion of electric signal and light signal, electric signal end and / or optical fiber end are used for through with the pluggable connection of standard spare or standard compatible spare, realize its connection with electric signal equipment and / or optical cable. The utility model discloses setting active photoelectric conversion contact piece in the connector, realizes the conversion between electric communication and light communication under the premise of not changing connector structure and electric signal equipment structure, expands optional communication type, and promotes communication conversion efficiency.
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Description

Technical Field

[0001] This utility model relates to the field of connector technology, specifically to a photoelectric conversion connector. Background Technology

[0002] With the promotion and in-depth application of optical communication, various types of packaged optical modules have emerged to adapt to different application scenarios, such as SFF, SFP, and QSFP.

[0003] When communicating within or between devices, various connectors such as electrical connectors, fiber optic connectors, and optoelectronic hybrid connectors are used, all of which are passive contacts. When there is optoelectronic signal conversion, optoelectronic conversion modules or electro-optic conversion modules need to be configured inside the device, which occupies internal space, increases the size of the device, and makes it more difficult to upgrade from electrical communication to optical communication.

[0004] The information disclosed in this background section is only intended to enhance the understanding of the background technology of this application, and therefore may include prior art that is not known to those skilled in the art. Summary of the Invention

[0005] To address the issue raised in the background art that adding photoelectric conversion modules inside devices increases the design complexity and size of devices for fiber optic communication, this utility model proposes a photoelectric conversion connector. This standard connector incorporates active photoelectric conversion contacts, enabling the conversion between electrical and optical communication without altering the connector structure or the electrical signal equipment structure. This expands the available communication types and improves communication conversion efficiency.

[0006] To achieve the above-mentioned objectives, the present invention employs the following technical solution: A photoelectric conversion connector includes a connector housing, an insulator disposed in the connector housing, and a photoelectric conversion contact disposed in the insulator; the connector housing and the insulator are both standard parts structures or standard parts compatible structures. The photoelectric conversion contact includes an electrical signal terminal, an active conversion module, and an optical fiber terminal; the active conversion module is connected to the electrical signal terminal and the optical fiber terminal respectively, and is used for conversion between electrical signals and optical signals; the electrical signal terminal is used to connect to electrical signal equipment; the optical fiber terminal is used to connect to an optical cable; the electrical signal terminal and / or the optical fiber terminal are connected to the electrical signal equipment and / or the optical fiber terminal to the optical cable through pluggable connections with standard parts or standard compatible parts.

[0007] In some specific embodiments, the photoelectric conversion contact further includes a front sleeve and a rear sleeve, which are cylindrical structures. The electrical signal terminal is an electrical contact assembly, which connects to the electrical signal device through a pluggable connection with the standard component or the compatible standard component; the optical fiber terminal is a pigtail-type coaxial optical component, which connects to the optical cable; the active conversion module is welded and fixed to the electrical signal terminal and the optical fiber terminal respectively to form an active photoelectric conversion assembly; the rear sleeve is fitted onto the active photoelectric conversion assembly; the electrical signal terminal extends out of one end of the rear sleeve; the front sleeve is fitted onto the electrical signal terminal, and one end is fixedly connected to one end of the rear sleeve; A first limiting structure is formed along the circumference on the inner side of one end of the rear sleeve; a second limiting structure is formed along the circumference on the inner side of one end of the front sleeve; a third limiting structure is formed along the circumference on the electrical signal terminal; the third limiting structure is located between the first limiting structure and the second limiting structure, and is connected to the first limiting structure and the second limiting structure respectively, for fixing the electrical signal terminal.

[0008] In some specific embodiments, the first limiting structure includes a plurality of spaced-apart first grooves and second grooves; the first groove is a communicating groove in the axial direction; the second groove is a groove that is closed on the inside and open on the outside in the axial direction. The third limiting structure consists of multiple protrusions on the same circumference corresponding to the first groove or the second groove and adapted to be installed in the first groove and the second groove; when the active photoelectric conversion component is installed into the rear sleeve from the electrical signal end, each of the protrusions passes through one end of the rear sleeve from each of the first grooves and is installed in each of the second grooves after rotation.

[0009] In some specific embodiments, an external thread is formed on the outer side of one end of the rear sleeve; an internal thread is formed on one end of the front sleeve; the second limiting structure is a radially protruding convex ring located inside the internal thread; one end of the front sleeve is threadedly connected to one end of the rear sleeve; the outer side of the second limiting structure is connected to the inner side of the third limiting structure. The other end of the front sleeve is a spring finger that is adapted to the electrical signal terminal.

[0010] In some specific embodiments, the other end of the rear sleeve is fitted with the optical fiber end and mounted on the optical fiber end; a potting opening is formed on the rear sleeve at the position corresponding to the active conversion module, which is a through hole on the rear sleeve, used to fill potting material to encapsulate the active conversion module and the connection between the active conversion module and the electrical signal end and the optical fiber end.

[0011] In some specific embodiments, the electrical signal terminal is an electrical socket structure or an electrical pin structure.

[0012] In some specific embodiments, the photoelectric conversion contact further includes a base plate and a housing; The outer casing is a sleeve structure; the base plate is fitted to one end of the outer casing and forms multiple cable mounting parts, which are through holes; the electrical signal terminal includes multiple cables, which are respectively installed to each of the cable mounting parts and welded to the active conversion module; the base plate is fixedly installed at one end of the outer casing; The optical fiber end is a coaxial optical component, which has a first mounting limiting step; the outer diameter of the first mounting limiting step is smaller than the inner diameter; the outer shell has a second mounting limiting step that is adapted to the first mounting limiting step, and its outer diameter is smaller than its inner diameter. The active conversion module is welded and fixed to the electrical signal end and the optical fiber end to form an active photoelectric conversion component, which is inserted into the housing by the optical fiber end; the first installation limiting step is connected to the second installation limiting step; the optical fiber end is connected to the optical cable by pluggable connection with standard parts or standard compatible parts.

[0013] In some specific embodiments, the optical fiber end is a coaxial optical assembly with an optical ferrule; a fixing part is formed on the circumference of the outer end of the second mounting limiting step, which consists of a plurality of evenly distributed through holes for welding the optical fiber end to the outer shell through the fixing part.

[0014] In some specific embodiments, the optical fiber end is a coaxial optical assembly with an optical jack, including a jack and a fixing component; The fastener is a cylindrical structure with external threads on the outside, and one end has a first protruding ring protruding outward and a second protruding ring protruding inward. An internal thread is formed on the inner side of the outer end of the second mounting limiting step; the fixing member is threadedly connected to the outer end of the second mounting limiting step, and the inner end face of the first convex ring is connected to the end face of the outer end of the second mounting limiting step; the insert is installed in the fixing member, and one end is connected to the inner end face of the second convex ring for pluggable connection with the optical ferrule.

[0015] In some specific embodiments, a potting opening is formed on the outer shell at a position corresponding to the active conversion module. This opening is a through hole for filling with potting material to encapsulate the active conversion module and its connection with the electrical signal terminal and the optical fiber terminal.

[0016] This utility model's optoelectronic conversion connector enables pluggable connection between electrical communication equipment and optical cables by incorporating active optoelectronic conversion contacts within the connector housing and insulating components of a standard or compatible structure. This allows for pluggable connections even in hybrid optoelectronic cables. Simultaneously, it achieves the conversion between electrical and optical signals without requiring modifications to the connector or electrical signal equipment structure, thus reducing their size, improving communication upgrade efficiency, and lowering upgrade costs. Furthermore, by implementing optical-to-electrical signal conversion within the connector, it enhances the resilience of communication conversion equipment to special operating conditions such as vibration, shock, and temperature / humidity variations. This broadens the types of products using optical fiber communication and their application areas, while ensuring reliability in special fields or environments.

[0017] Other features and advantages of this utility model will become clearer after reading the detailed embodiments of this utility model in conjunction with the accompanying drawings. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are 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 of the structure of the photoelectric conversion connector according to an embodiment; Figure 2 This is a schematic diagram of the structure of the photoelectric conversion contact according to an embodiment; Figure 3 This is a cross-sectional view of the photoelectric conversion contact according to an embodiment; Figure 4 This is a schematic diagram of the rear sleeve structure according to an embodiment; Figure 5 This is a schematic diagram of the structure of the photoelectric conversion contact according to an embodiment; Figure 6 This is a cross-sectional view of the photoelectric conversion contact according to an embodiment; Figure 7 This is a schematic diagram of the structure of the photoelectric conversion contact according to an embodiment; Figure 8 This is a cross-sectional view of the photoelectric conversion contact according to an embodiment.

[0020] Figure label, 1. Connector housing; 2. Insulator; 3. Optoelectronic conversion contact; 31. Electrical signal terminal; 311. Third limiting structure; 312. Cable; 32. Active conversion module; 33. Optical fiber terminal; 331. First mounting limiting step; 332. Insert; 333. Fixing component; 334. First convex ring; 335. Second convex ring; 336. Receiver core; 337. Insert; 34. Front sleeve; 341. Second limiting structure; 35. Rear sleeve; 351. First limiting structure; 352. First groove; 353. Second groove; 354. Encapsulation port; 36. Encapsulant; 37. Outer shell; 371. Second mounting limiting step; 372. Fixing part; 38. Base plate; 381. Cable mounting part. Detailed Implementation

[0021] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0022] In the description of this application, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0023] The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, unless otherwise stated, "a plurality of" means two or more.

[0024] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0025] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0026] The following disclosure provides many different embodiments or examples for implementing various structures of this invention. To simplify the disclosure, specific examples of components and arrangements are described below. These are merely examples and are not intended to limit the scope of the invention. Furthermore, reference numerals and / or letters may be repeated in different examples; such repetition is for simplification and clarity and does not in itself indicate a relationship between the various embodiments and / or arrangements discussed. In addition, examples of various specific processes and materials are provided in this invention, but those skilled in the art will recognize the application of other processes and / or the use of other materials.

[0027] Reference Figure 1 This utility model discloses an optoelectronic conversion connector for pluggable connection between electrical communication equipment and optical communication equipment, and for converting electrical signals to optical signals while plugging and unplugging the connection.

[0028] The optoelectronic conversion connector includes a connector housing 1, an insulator 2 disposed in the connector housing 1 and fixedly connected to the connector housing 1, and an optoelectronic conversion contact 3 disposed in the insulator 2; both the connector housing 1 and the insulator 2 are standard parts or standard parts compatible structures, realizing pluggable connection with the adapter connector of standard parts or standard compatible structure.

[0029] The photoelectric conversion contact 3 includes an electrical signal terminal 31, an active conversion module 32, and an optical fiber terminal 33. The electrical signal terminal 31 is used to connect to electrical signal equipment to receive or output electrical signals. The optical fiber terminal 33 is used to connect to an optical cable to receive or output optical signals. The active conversion module 32 is connected to the electrical signal terminal 31 and the optical fiber terminal 33 respectively, and is used to convert the electrical signal received by the electrical signal terminal 31 into an optical signal and output it from the optical fiber terminal 33, or to convert the optical signal received by the optical fiber terminal 33 into an electrical signal and output it from the electrical signal terminal 31.

[0030] The electrical signal terminal 31 and / or the optical fiber terminal 33 are connected to the electrical signal equipment and / or the optical fiber terminal 33 is connected to the optical cable through pluggable connections with standard or standard compatible parts; that is, when the cable 312 of the electrical signal terminal 31 and the electrical signal equipment is pluggable, the optical fiber terminal 33 and the optical cable can be integrally connected, fused, or pluggable; when the optical fiber terminal 33 and the optical cable are pluggable, the cable 312 of the electrical signal terminal 31 and the electrical signal equipment can be integrally connected, soldered, or pluggable.

[0031] The integrated connection is the same optical fiber or the same cable 312; that is, one end of the communication optical cable is part of the optical fiber end 33; the two ends of the cable 312 are respectively connected to the electrical signal equipment and are part of the electrical signal end 31.

[0032] In addition, the optoelectronic conversion connector may also include the conversion of electrical signals and the conversion of optoelectronic conversion to form an optoelectronic hybrid connector, so as to realize the pluggable connection of the optoelectronic hybrid cable 312.

[0033] This utility model's optoelectronic conversion connector enables pluggable connection between electrical communication equipment and optical cables by incorporating active optoelectronic conversion contacts 3 within a connector housing 1 and insulating components of a standard or compatible structure. This allows for pluggable connection of hybrid optoelectronic cables 312. Simultaneously, it achieves the conversion between electrical and optical signals without requiring modifications to the connector or electrical signal equipment structure, thus reducing their size, improving communication upgrade efficiency, and lowering upgrade costs. Furthermore, by implementing optical-to-electrical signal conversion within the connector, it enhances the resilience of communication conversion equipment to special operating conditions such as vibration, shock, and temperature / humidity variations. This broadens the types of products using optical fiber communication and their application areas, while ensuring reliability in special fields or environments.

[0034] The specific structure and principle of the photoelectric conversion connector of this utility model will be described in detail below through specific embodiments.

[0035] In some specific embodiments, refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 The photoelectric conversion contact 3 also includes a front sleeve 34 and a rear sleeve 35, both of which are cylindrical structures.

[0036] The electrical signal terminal 31 is an electrical contact component, which can be a pin-structure electrical contact component or a socket-structure electrical contact component. It includes multiple paths for power supply and electrical signal, respectively. Through pluggable connection with standard or standard compatible contacts of the socket structure or standard or standard compatible contacts of the pin structure, the electrical signal terminal 31 is connected to the electrical signal device to realize the transmission of electrical signals and the power supply of the active conversion module 32.

[0037] The fiber end 33 is a pigtail type coaxial optical component; that is, the active conversion module 32 achieves connection with the external optical cable through the coaxial optical component.

[0038] The two ends of the active conversion module 32 are welded and fixed to the electrical signal end 31 and the optical fiber end 33 respectively to form an elongated active photoelectric conversion component; the rear sleeve 35 is fitted onto the active photoelectric conversion component; the electrical signal end 31 extends out of one end of the rear sleeve 35; the front sleeve 34 is fitted onto the electrical signal end 31, and one end is fixedly connected to one end of the rear sleeve 35.

[0039] A first limiting structure 351 is formed on the inner side of one end of the rear sleeve 35 along the same circumference; a second limiting structure 341 is formed on the inner side of one end of the front sleeve 34 along the same circumference; a third limiting structure 311 is formed on the end of the electrical signal terminal 31 near the end of the rear sleeve 35; the third limiting structure 311 is located between the first limiting structure 351 and the second limiting structure 341, and is connected to the first limiting structure 351 and the second limiting structure 341 respectively, for fixing the electrical signal terminal 31.

[0040] In this embodiment, the photoelectric conversion connector fixes the electrical contact component of the electrical signal terminal 31 through the first limiting structure 351 of the rear sleeve 35, the second limiting structure 341 of the front sleeve 34, and the third limiting structure 311 of the electrical signal terminal 31, thereby enabling the pluggable connection of the electrical signal terminal 31.

[0041] In some specific embodiments, refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 The first limiting structure 351 includes multiple spaced first grooves 352 and second grooves 353; the first groove 352 is a connecting groove in the axial direction; the second groove 353 is a semi-closed groove in the axial direction with the inner side closed and the outer side connected. The structure that can be connected and adapted to the first groove 352 and the second groove 353 can pass through the first groove 352 and be installed in the second groove 353, and is limited by the side wall of one end of the second groove 353.

[0042] The third limiting structure 311 consists of multiple protrusions on the same circumference corresponding to each of the first grooves 352 or each of the second grooves 353 and slidably fitted to the first grooves 352 and the second grooves 353. The electrical signal terminal 31 of the active photoelectric conversion component is inserted into the rear sleeve 35 from the other end of the rear sleeve 35. Each protrusion of the third limiting structure 311 corresponds to each of the first grooves 352 of the first limiting structure 351, so that the electrical signal terminal 31 extends out of one end of the rear sleeve 35. The third limiting structure 311 is located outside the first limiting structure 351. The active photoelectric conversion component is rotated so that each protrusion of the third limiting structure 311 corresponds to each of the second grooves 353 of the first limiting structure 351 and is inserted into each of the second grooves 353.

[0043] In this embodiment, the photoelectric conversion connector uses the first grooves 352 of the first limiting structure 351 to allow the active photoelectric conversion component to be inserted into the rear sleeve 35 from the electrical signal end 31 and pass through the rear sleeve 35; by rotating and mounting in each of the second grooves 353, the axial end is limited, which facilitates the assembly of the active photoelectric conversion component, which consists of the electrical signal end 31 of the electrical contact and the optical fiber end 33 of the pigtail-type coaxial optical component, with the rear sleeve 35, thereby improving the safety, reliability and assembly efficiency of the photoelectric conversion contact 3.

[0044] In some specific embodiments, refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 The outer side of one end of the rear sleeve 35 is formed with an external thread; the one end of the front sleeve 34 is formed with an internal thread; the second limiting structure 341 is a convex ring located inside the axial direction of the internal thread and protruding radially inward; one end of the front sleeve 34 is threadedly connected to one end of the rear sleeve 35; the outer end face of the second limiting structure 341 is connected to the inner end face of the third limiting structure 311, thereby realizing the limiting of the second groove 353 and the second limiting structure 341 on the third limiting structure 311, and thus realizing the fixation of the electrical signal terminal 31.

[0045] The other end of the front sleeve 34 is a spring finger that is adapted to the electrical signal terminal 31 for fixing between the standard contact or standard compatible contact that is inserted and connected to the electrical signal terminal 31.

[0046] In this embodiment, the photoelectric conversion connector is connected by a threaded connection between one end of the front sleeve 34 and one end of the rear sleeve 35, so that the two ends of the first limiting structure 351, the second limiting structure 341 and the third limiting structure 311 are connected to fix the electrical signal terminal 31. The other end of the front sleeve 34 is a spring finger to realize the fixing of the electrical signal terminal 31 through insertion, thereby improving the safety, reliability and assembly efficiency of the photoelectric conversion contact 3.

[0047] In some specific embodiments, refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 The other end of the rear sleeve 35 is fitted with the optical fiber end 33 and mounted on the optical fiber end 33. The rear sleeve 35 has a potting port 354 at the position corresponding to the active conversion module 32. It is a through hole on the rear sleeve 35 for injecting liquid encapsulation material into the rear sleeve 35 where the active conversion module 32 is located. After curing, it forms potting material 36, which encapsulates the active conversion module 32 and the connection between the active conversion module 32 and the electrical signal end 31 and the optical fiber end 33, thereby improving the connection stability and waterproof level of the photoelectric conversion contact 3.

[0048] In some specific embodiments, refer to Figure 1 , Figure 5 , Figure 6 , Figure 7 , Figure 8 The photoelectric conversion contact 3 includes an electrical signal terminal 31, an active conversion module 32, an optical fiber terminal 33, a base plate 38, and a housing 37.

[0049] The outer casing 37 is a cylindrical structure; the base plate 38 is a plate structure that is adapted to be installed at one end of the outer casing 37; multiple cable mounting parts 381 are formed on the base plate 38, which are through holes penetrating the base plate 38; the electrical signal terminal 31 includes multiple cables 312 for transmitting electrical signals, one end of which is installed in each cable mounting part 381, and the ends are respectively welded and fixed to the active conversion module 32; the base plate 38 is fixedly installed at one end of the outer casing 37 to seal one end of the outer casing 37.

[0050] The fiber end 33 is a coaxial optical component, which has a cylindrical and coaxial first mounting limiting step 331, the diameter of its outer end is smaller than the diameter of its inner end; the other end of the outer shell 37 has a second limiting step that is adapted to the first mounting limiting step 331, the diameter of its outer end is smaller than the diameter of its inner end.

[0051] The active conversion module 32 is welded and fixed to the electrical signal terminal 31 and the optical fiber terminal 33 to form an active optoelectronic conversion assembly. During assembly, the optical fiber terminal 33 of the active optoelectronic conversion assembly is inserted into the housing 37 from one end. The first mounting limiting step 331 and the second mounting limiting step 371 are connected to limit the optical fiber terminal 33 and one end of the active optoelectronic conversion assembly in the axial direction. The optical fiber terminal 33 is connected to the optical cable through a pluggable connection with a standard contact or a standard compatible contact.

[0052] In this embodiment, the optoelectronic adapter connector achieves pluggable connection between the optical fiber end 33 and the standard contact or standard compatible contact by limiting the connection between the housing 37 and the optical fiber end 33.

[0053] In some specific embodiments, refer to Figure 1 , Figure 5 , Figure 6 The optical fiber end 33 is a coaxial assembly of optical ferrule, including an optical ferrule 337; a conductive optical fiber is disposed in the optical ferrule 337. A fixing part 372 is formed on the circumference of the outer end of the second mounting limiting step 371, which consists of a plurality of evenly distributed through holes; the optical fiber end 33 is fixedly connected to the housing 37 by welding the fixing part 372; the optical ferrule 337 is located inside the other end of the housing 37, and a gap is provided between it and the housing 37.

[0054] The optoelectronic conversion connector of this embodiment fixes the optical fiber end 33 to the housing 37 by providing a fixing part 372 on the housing 37 and welding it to the fixing part 372. This fixes the optical fiber end 33 to the housing 37 in both the circumferential and axial directions, thereby improving the stability of the connection between the optical fiber end 33 and the housing 37 and enhancing the reliability of the optoelectronic conversion connector.

[0055] In some specific embodiments, refer to Figure 1 , Figure 7 , Figure 8 The fiber optic end 33 is a coaxial optical assembly with an optical jack, including a jack 332 and a fixing member 333.

[0056] The fixing member 333 is a cylindrical structure with external threads on the outside, and one end has a first protruding ring 334 protruding outward and a second protruding ring 335 protruding inward. The inner side of the outer end of the second mounting limiting step 371 has internal threads. The fixing member 333 is threadedly connected to the outer end of the second mounting limiting step 371. The inner end face of the first protruding ring 334 is connected to the end face of the outer end of the second mounting limiting step 371. The insert 332 is installed in the fixing member 333, and the end face of its outer end is connected to the inner end face of the second protruding ring 335, so that the insert 332 is fixed in the fixing member 333 for fixing the optical ferrule 337 to be inserted into the optical fiber end 33.

[0057] The optical fiber end 33 also includes a receiving core 336, which is provided with an optical transmission optical fiber and is located inside the ferrule 332 for receiving the optical signal from the ferrule 337.

[0058] In this embodiment, the optoelectronic conversion connector forms a pluggable optical fiber end 33 by installing the insert 332 and the fixing member 333 and the fixing member 333 and the housing 37.

[0059] In some specific embodiments, refer to Figure 1 , Figure 5 , Figure 6 , Figure 7 , Figure 8A potting opening 354 is formed on the outer shell 37 at a position corresponding to the active conversion module 32. It is a through hole for filling with liquid potting material 36. The cured potting material 36 is used to encapsulate the active conversion module 32 and the connection between the active conversion module 32 and the electrical signal terminal 31 and the optical fiber terminal 33, thereby improving the stability of the connection between the active conversion module 32 and the electrical signal terminal 31 and the optical fiber terminal 33 and improving the waterproof performance of the photoelectric conversion contact 3.

[0060] In the description of the above embodiments, specific features, structures, materials, or characteristics may be combined in any suitable manner in one or more embodiments or examples.

[0061] The above are merely specific embodiments of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the scope of the claims.

Claims

1. A photoelectric conversion connector, characterized in that, It includes a connector housing, an insulator disposed in the connector housing, and a photoelectric conversion contact disposed in the insulator; both the connector housing and the insulator are standard parts structures or standard parts compatible structures. The photoelectric conversion contact includes an electrical signal terminal, an active conversion module, and an optical fiber terminal; the active conversion module is connected to the electrical signal terminal and the optical fiber terminal respectively, and is used for conversion between electrical signals and optical signals; the electrical signal terminal is used to connect to electrical signal equipment; the optical fiber terminal is used to connect to an optical cable; the electrical signal terminal and / or the optical fiber terminal are connected to the electrical signal equipment and / or the optical fiber terminal to the optical cable through pluggable connections with standard parts or standard compatible parts.

2. The photoelectric conversion connector according to claim 1, characterized in that, The photoelectric conversion contact also includes a front sleeve and a rear sleeve, which are cylindrical structures. The electrical signal terminal is an electrical contact assembly, which connects to the electrical signal device through a pluggable connection with the standard component or the standard compatible component; the optical fiber terminal is a pigtail-type coaxial optical component, which connects to the optical cable; the active conversion module is welded and fixed to the electrical signal terminal and the optical fiber terminal respectively to form an active photoelectric conversion assembly; the rear sleeve is fitted onto the active photoelectric conversion assembly; the electrical signal terminal extends out of one end of the rear sleeve; the front sleeve is fitted onto the electrical signal terminal, and one end is fixedly connected to one end of the rear sleeve; A first limiting structure is formed along the circumference on the inner side of one end of the rear sleeve; a second limiting structure is formed along the circumference on the inner side of one end of the front sleeve; a third limiting structure is formed along the circumference on the electrical signal terminal; the third limiting structure is located between the first limiting structure and the second limiting structure, and is connected to the first limiting structure and the second limiting structure respectively, for fixing the electrical signal terminal.

3. The photoelectric conversion connector according to claim 2, characterized in that, The first limiting structure includes multiple spaced first grooves and second grooves; the first groove is a communicating groove in the axial direction; the second groove is a groove that is closed on the inside and open on the outside in the axial direction. The third limiting structure consists of multiple protrusions on the same circumference corresponding to the first groove or the second groove and adapted to be installed in the first groove and the second groove; when the active photoelectric conversion component is installed into the rear sleeve from the electrical signal end, each of the protrusions passes through one end of the rear sleeve from each of the first grooves and is installed in each of the second grooves after rotation.

4. The photoelectric conversion connector according to claim 3, characterized in that, The rear sleeve has an external thread on one side; the front sleeve has an internal thread on one side; the second limiting structure is a radially protruding ring located inside the internal thread; one end of the front sleeve is threadedly connected to one end of the rear sleeve; the outer side of the second limiting structure is connected to the inner side of the third limiting structure. The other end of the front sleeve is a spring finger that is adapted to the electrical signal terminal.

5. The photoelectric conversion connector according to any one of claims 2 to 4, characterized in that, The other end of the rear sleeve is fitted with the optical fiber end and mounted on the optical fiber end; a potting opening is formed on the rear sleeve at the position corresponding to the active conversion module, which is a through hole on the rear sleeve, used to fill potting material to encapsulate the active conversion module and the connection between the active conversion module and the electrical signal end and the optical fiber end.

6. The photoelectric conversion connector according to claim 5, characterized in that, The electrical signal terminal is an electrical socket structure or an electrical pin structure.

7. The photoelectric conversion connector according to claim 1, characterized in that, The photoelectric conversion contact also includes a base plate and a housing; The outer casing is a sleeve structure; the base plate is fitted to one end of the outer casing and forms multiple cable mounting parts, which are through holes; the electrical signal terminal includes multiple cables, which are respectively installed to each of the cable mounting parts and welded to the active conversion module; the base plate is fixedly installed at one end of the outer casing; The optical fiber end is a coaxial optical component, which has a first mounting limiting step; the outer diameter of the first mounting limiting step is smaller than the inner diameter; the outer shell has a second mounting limiting step that is adapted to the first mounting limiting step, and its outer diameter is smaller than its inner diameter. The active conversion module is welded and fixed to the electrical signal end and the optical fiber end to form an active photoelectric conversion component, which is inserted into the housing by the optical fiber end; the first installation limiting step is connected to the second installation limiting step; the optical fiber end is connected to the optical cable by pluggable connection with standard parts or standard compatible parts.

8. The photoelectric conversion connector according to claim 7, characterized in that, The optical fiber end is a coaxial optical component with an optical ferrule; a fixing part is formed on the circumference of the outer end of the second mounting limiting step, which consists of a plurality of evenly distributed through holes for welding the optical fiber end to the outer shell through the fixing part.

9. The photoelectric conversion connector according to claim 7, characterized in that, The optical fiber end is a coaxial optical assembly with an optical jack, including a jack and a fixing component; The fastener is a cylindrical structure with external threads on the outside, and one end has a first protruding ring protruding outward and a second protruding ring protruding inward. An internal thread is formed on the inner side of the outer end of the second mounting limiting step; the fixing member is threadedly connected to the outer end of the second mounting limiting step, and the inner end face of the first convex ring is connected to the end face of the outer end of the second mounting limiting step; the insert is installed in the fixing member, and one end is connected to the inner end face of the second convex ring for pluggable connection with the optical ferrule.

10. The photoelectric conversion connector according to claim 8 or 9, characterized in that, A potting opening is formed on the outer shell at a position corresponding to the active conversion module. It is a through hole for filling potting material to encapsulate the active conversion module and its connection with the electrical signal terminal and the optical fiber terminal.