Multi-core detachable high-density photoelectric integrated connector

Abstract

The invention relates to the technical field of connectors, in particular to a multi-core detachable high-density photoelectric comprehensive connector which comprises a connector male head and a connector female head, a plurality of first composite contact pieces are arranged in the connector male head, a plurality of second composite contact pieces are arranged in the connector female head, and the first composite contact pieces are connected with the second composite contact pieces. The first composite contact piece and the second composite contact piece are respectively connected with corresponding photoelectric composite cables; the connector male head comprises a plug contact installation part, a plug shell and a nut. The connector is composed of the plug and the socket, the plug and the socket are internally provided with a plurality of detachable composite contact pieces, each composite contact piece can conduct photoelectric transmission at the same time, the core structure of each composite contact piece is an optical transmission channel, non-contact coupling is adopted, the composite contact pieces have better mechanical properties such as vibration resistance and impact resistance, the outer layer structure is used as an electric conductor, and the outer layer structure is used as an electric conductor. The integrated level of the design is higher, and the connector can be developed towards the direction of modularization and unification.

Description

Technical Field

[0001] The invention relates to the technical field of connectors, in particular to a multi-core detachable high-density optoelectronic integrated connector. Background Art

[0002] The optical communication process requires various devices such as optical modules and optical terminals, which have electricity needs, and device terminals such as cameras, remote controls, motors, etc. also require power drive. Usually, independent optoelectronic integrated cables and connectors are used to transmit the optical path and circuit respectively. However, the installation space is usually limited at the end of densely installed equipment. If traditional integrated cables and connectors are used to transmit the optical path and circuit respectively, the limited space of the original equipment installation panel will be even tighter, and this connection method will increase the weight of the equipment.

[0003] Therefore, connectors that integrate optical paths and circuits have become a technological development trend. For example, the document with Chinese patent publication number CN114824907A proposes an optoelectronic composite fiber optic connector, in which the wires and optical fibers are respectively connected to the same connector. Although the transmission of the optical path and the circuit is achieved at the same time, the integration of the optical path and the circuit is not high, and the optical path and the circuit are still relatively independent. In particular, the circuit and each transmission unit in the optical path cannot be separated from the connector as a whole, which is not conducive to the expansion of multiple optical-electrical transmission channels and the subsequent maintenance of any optical-circuit. Summary of the invention

[0004] In view of the technical problems existing in the optoelectronic connector in the prior art, the first aspect of the present invention provides a multi-core detachable high-density optoelectronic integrated connector, comprising a connector male head and a connector female head, wherein the connector male head is provided with a plurality of first composite contacts, and the connector female head is provided with a plurality of second composite contacts, wherein the first composite contacts and the second composite contacts are respectively connected to corresponding optoelectronic composite cables; The male connector includes a plug contact mounting component, a plug housing, and a nut, wherein the plug contact mounting component is connected to the rear end of the plug housing, and the nut is connected to the outer side of the plug housing and can rotate unidirectionally relative to the plug housing to achieve assembly with the female connector; Wherein, the head end of the plug housing is connected to a composite contact component, the composite contact component comprises a docking sleeve, a contact sleeve and a contact component housing, the docking sleeve is provided with an optical coupling channel for docking the first composite contact component and the second composite contact component; The first composite contact piece and the second composite contact piece are constructed to include a core structure and an outer layer structure wrapped outside the core structure; The optical-electric composite cable is constructed to include optical fibers, optical fiber sheaths, braided conductors and outer sheaths distributed from the inside to the outside, the optical fibers are connected to the core structure, the braided conductors are connected to the outer structure, the optical fiber-core structure constitutes an optical transmission path, and the braided conductor-outer structure constitutes an electrical transmission path; When the male connector and the female connector are docked with each other, the core structure of each first composite contact and the corresponding second composite contact are non-contact coupled in the optical coupling channel, and the outer layer structure of the first composite contact and the corresponding second composite contact are in contact with the contact sleeve to achieve electrical connection, so that the optical transmission path and the electrical transmission path are docked.

[0005] Preferably, the optical fiber of the optoelectronic composite cable is plugged into the core structure and then bonded and fixed, and the braided conductor of the optoelectronic composite cable is crimped and fixed to the outer layer structure.

[0006] Preferably, the outer structure includes a contact tube, the core structure includes a ceramic sleeve, the inner wall of the ceramic sleeve is connected to a lens and a ceramic ferrule, the ceramic sleeve is connected to the head of the contact tube cavity and has a portion extending outside the cavity, and the optical fiber is inserted into the ceramic ferrule from the tail of the contact tube cavity.

[0007] Preferably, the outer layer structure further comprises a contact tube shell and a crimped tube shell, the outer wall of the contact tube is provided with a flange, wherein the head end portion of the contact tube located in front of the flange forms a contact area for inserting into the inner wall of the contact sleeve; The contact tube shell is sleeved on the middle part of the outer wall of the contact tube and is clamped and fixed to the contact tube through a flange; The crimping tube shell is sleeved on the tail end of the contact tube, and a crimping space for accommodating the braided conductor is formed between the crimping tube shell and the contact tube. When the braided conductor is in the crimping space and the crimping tube shell is squeezed and deformed, the contact tube, the braided conductor and the crimping tube shell are fixed to each other.

[0008] Preferably, a cylindrical cavity is provided on the inner wall of the docking sleeve, the inner diameter of the docking sleeve matches the outer diameter of the ceramic sleeve, a convex ring is provided on the inner wall of the contact sleeve, and a concave ring is provided on the outer wall of the docking sleeve. The contact sleeve is sleeved on the outer wall of the docking sleeve and axially fixed by the engagement of the convex ring and the concave ring. Both ends of the contact sleeve are provided with elastic contact structures of annular structure extending to the outside of both ends of the docking sleeve, and the inner diameter of the elastic contact structure is smaller than the outer diameter of the contact area.

[0009] Preferably, the contact component housing includes a first shell and a second shell, the first shell and the second shell are both provided with a contact sleeve insertion hole, the second shell is closer to the head of the plug shell than the first shell, and the outer wall of the contact sleeve is provided with a positioning protruding ring, when the first shell and the second shell are matched with each other, the contact sleeve is located in the contact sleeve insertion hole, and the positioning protruding ring is located at the joint surface of the first shell and the second shell, so that the contact sleeve and the contact component housing are axially fixed.

[0010] Preferably, a screw mounting hole is further provided between the first shell and the second shell, and the contact component housing is mounted to the head of the plug shell by screws, and the screws press the first shell and the second shell and fix them to the plug shell.

[0011] Preferably, the plug contact installation component includes a plug contact housing and a plug wire seal, which are connected to each other to form a plug contact accommodating cavity for accommodating a first composite contact, and the first composite contact is fixed in the plug contact accommodating cavity.

[0012] Preferably, the female connector includes a socket contact housing, a socket wire seal and a socket housing, the socket contact housing and the socket wire seal are fixed to each other and then installed into the socket housing from the tail of the socket housing, a plug-in slot is provided at the head of the socket housing, and a sealing gasket is provided at the bottom of the plug-in slot; Wherein, a socket contact accommodating cavity for accommodating the second composite contact is formed between the socket contact housing and the socket wire seal body.

[0013] Preferably, the outer structure is provided with a step, the plug contact accommodating cavity is provided with a first clamping structure, and the socket contact accommodating cavity is provided with a second clamping structure; When the first composite contact is inserted into the plug contact accommodating cavity from the rear end of the plug contact accommodating cavity, the step of the first composite contact is engaged with the first clamping structure, so that the first composite contact is axially positioned; When the second composite contact is inserted into the socket contact accommodating cavity from the rear end of the socket contact accommodating cavity, the step of the second composite contact is engaged with the second clamping structure to axially position the second composite contact.

[0014] Compared with the prior art, the advantages of the present invention are: The connector proposed by the present invention is composed of a plug and a socket, wherein a plurality of detachable composite contacts are provided in the plug and the socket, each composite contact can simultaneously perform photoelectric transmission, the core structure of the composite contact is an optical transmission channel, and non-contact coupling is adopted, which has better mechanical properties such as resistance to vibration and impact, and will not cause the optical transmission performance to decrease due to friction and dirt on the end face of the optical fiber, and the outer layer structure is used as an electrical conductor. This design has a higher degree of integration, which is conducive to the development of the connector in the direction of modularization and unification; As a cable connected to the composite contact, the center is an optical fiber, which is installed in a sheath. A layer of metal wire is woven around the sheath as a conductor, and an insulator is coated on the periphery as a sheath. During installation, the optical fiber of the optoelectronic integrated cable is installed in the ceramic ferrule of the composite contact, and the braided conductor is crimped onto the contact tube to achieve optoelectronic docking between the optoelectronic composite cable and the composite contact. The integrated structure of the optoelectronic composite cable and the composite contact has good independence, and each optoelectronic unit can be taken out and repaired separately without releasing the connection state of the male and female heads, making later maintenance more convenient, especially for multi-core and multi-channel connectors. As a composite contact component that couples two composite contact pieces, optical path coupling and circuit coupling are respectively realized by setting a docking sleeve and a contact sleeve. When the plug and socket are docked, the optical path and the circuit are connected through the composite contact component to complete the optoelectronic connection, and the positions of the two contacts originally required are merged into one, which greatly saves the volume and weight of the connector, making the connector have the advantages of lightweight and high density. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are not intended to be drawn to scale. In the accompanying drawings, each identical or nearly identical component shown in each figure may be represented by the same reference numeral. For clarity, not every component is labeled in each figure. Embodiments of various aspects of the present invention will now be described by way of example and with reference to the accompanying drawings.

[0016] Figure 1 It is a structural schematic diagram of a multi-core detachable high-density optoelectronic integrated connector shown in the present invention.

[0017] Figure 2 It is a structural schematic diagram of the connector male head shown in the present invention.

[0018] Figure 3 It is a structural schematic diagram of the connector female head shown in the present invention.

[0019] Figure 4 It is a schematic structural diagram of the composite contact component shown in the present invention.

[0020] Figure 5 It is a schematic structural diagram of the second composite contact piece shown in the present invention.

[0021] Figure 6 It is a schematic structural diagram of the optoelectronic composite cable shown in the present invention.

[0022] Figure 7 It is a schematic diagram of the connection between the optoelectronic composite cable and the second composite contact member shown in the present invention.

[0023] Figure 8 It is a schematic diagram of the optical path and circuit path after the second composite contact piece shown in the present invention is installed to the composite contact component.

[0024] Attached Figures 1 to 8 The meanings of the various reference numerals are as follows: 100, male connector; 200, female connector; 300, first composite contact piece; 400, second composite contact piece; 500, optoelectronic composite cable; 110, plug contact housing; 111, plug contact accommodating cavity; 112, screw hole; 113, first clamping structure; 120, plug wire sealing body; 121, first wire groove; 130, plug housing; 131, spline; 132, positioning shoulder; 140, nut; 141, retaining ring; 150, elastic limiting structure; 160, composite contact component; 160a, first housing; 160b, second housing; 160c, screw mounting hole; 160d, contact sleeve jack; 161, docking sleeve; 1611, optical coupling channel; 1612, concave ring; 162, contact sleeve; 1621, positioning convex ring; 1622, elastic contact structure; 1623, convex ring; 163, screw; 201, plug-in slot; 210, socket contact housing; 211, socket contact accommodating chamber; 212, second clamping structure; 213, metal clamp ring; 220, socket wire sealing body; 221, second wire passing slot; 230, socket housing; 231, external thread; 240, sealing gasket; 410, ceramic sleeve; 411, lens; 412, ceramic ferrule; 420, contact tube; 421, contact area; 422, flange; 423, optical fiber channel; 424, recessed part; 425, raised part; 430, contact tube shell; 431, step; 432, pressing piece; 440, spring; 450, pressing tube shell; 451, narrowing structure; 510, optical fiber; 520, optical fiber sheath; 530, braided conductor; 540, outer sheath. DETAILED DESCRIPTION

[0025] In order to better understand the technical content of the present invention, specific embodiments are given and described as follows in conjunction with the accompanying drawings.

[0026] Combination Figure 1As shown, the first aspect of the present invention proposes a multi-core detachable high-density optoelectronic integrated connector, including a connector male head 100 and a connector female head 200, wherein the connector male head 100 is provided with a plurality of first composite contacts 300, and the connector female head 200 is provided with a plurality of second composite contacts 400, and the first composite contacts 300 and the second composite contacts 400 are respectively connected to corresponding optoelectronic composite cables 500.

[0027] When the female connector 200 and the male connector 100 are plugged into each other, the first composite contact 300 and the second composite contact 400 are non-contact coupled. Compared with the direct docking coupling method, the non-coupling docking is beneficial to improving the mechanical properties of the connector such as resistance to vibration and impact, and will not cause the optical transmission performance to decrease due to friction and dirt on the optical fiber end face.

[0028] Combination Figure 2 As shown, the connector male head 100 includes a plug contact mounting component, a plug housing 130 and a nut 140. The plug contact mounting component is connected to the rear end of the plug housing 130. The nut 140 is connected to the outside of the plug housing 130 and can rotate unidirectionally relative to the plug housing 130 to achieve assembly with the connector female head 200.

[0029] The plug housing 130 is constructed as a tubular structure, which includes a head end and a tail end. The head end is used to dock with the connector female plug 200 , and the tail end is used to connect to the optoelectronic composite cable 500 .

[0030] Specifically, a spline 131 is provided on the outer wall of the head end of the plug housing 130. Behind the spline 131, a positioning shoulder 132 is provided on the outer wall of the plug housing 130 for positioning the nut 140. A retaining ring 141 is provided on the inner wall of the nut 140. The nut 140 is installed on the outer wall of the plug housing 130 from the rear end of the plug housing 130, and axial positioning toward the head end of the plug housing 130 is achieved through the positioning shoulder 132 and the retaining ring 141. An elastic limiting structure 150 is provided on the other side of the retaining ring 141 to prevent the nut 140 from moving toward the rear end of the plug housing 130, thereby achieving axial positioning of the nut 140.

[0031] In this way, the nut 140 can rotate on the outer wall of the plug housing 130 to facilitate the threaded connection between the plug housing 130 and the connector female head 200 .

[0032] Optionally, the joint surfaces of the elastic limiting structure 150 and the nut 140 are both provided with tooth structures, which only allow the nut 140 to rotate in one direction, thereby achieving an anti-loosening effect.

[0033] Furthermore, the plug contact installation component includes a plug contact housing 110 and a plug wire seal 120. The plug contact housing 110 and the plug wire seal 120 are both made of insulating materials. The plug contact housing 110 can be made of polyphenylene sulfide.

[0034] Optionally, a metal snap ring 213 is provided on the inner wall of the plug housing 130, and a slot is provided on the outer wall of the plug contact housing 110. When the plug contact housing 110 is installed into the plug housing 130 from the tail of the plug housing 130, the metal snap ring 213 and the slot are engaged, so that the plug housing 130 and the plug contact housing 110 are relatively fixed.

[0035] Optionally, the plug housing 130 and the nut 140 are made of aluminum alloy, stainless steel, titanium alloy or polyetheretherketone.

[0036] The plug wire seal body 120 is bonded to the rear end of the plug housing 130 . A first wire passing groove 121 is provided on the plug wire seal body 120 . The plug wire seal body 120 is made of a flexible material as a whole, such as silicone rubber.

[0037] The plug contact housing 110 and the plug wire seal 120 are connected to each other to form a plug contact accommodating chamber 111 for accommodating the first composite contact 300 .

[0038] In this way, the first composite contact 300 can be inserted into the plug contact accommodating cavity 111 from the first wire passing groove 121 .

[0039] Specifically, a step 431 is provided on the outer wall of the first composite contact 300 , and a first clamping structure 113 is provided in the plug contact accommodating cavity 111 .

[0040] Thus, when the first composite contact 300 is inserted into the plug contact accommodating cavity 111 from the rear end thereof, the step 431 of the first composite contact 300 is engaged with the first engaging structure 113 to axially position the first composite contact 300 .

[0041] Furthermore, when the first composite contact 300 needs to be disassembled for maintenance, a tool is inserted into the first wire groove 121 to push open the spring sheet of the first clamping structure 113 and pull out the first composite contact 300 together with the optoelectronic composite cable 500 .

[0042] Combination Figure 3 As shown, the connector female head 200 includes a socket contact housing 210, a socket wire seal 220 and a socket housing 230. The socket contact housing 210 and the socket wire seal 220 are fixed to each other and installed into the socket housing 230 from the tail of the socket housing 230. A plug-in slot 201 is provided at the head of the socket housing 230, and a sealing gasket 240 is provided at the bottom of the plug-in slot 201.

[0043] Among them, the head of the socket housing 230 is provided with an external thread 231, which can be threadedly connected with the internal thread of the nut 140. Specifically, the external thread 231 is not a continuous thread, but is provided with an axial keyway, so that the spline 131 can be inserted to achieve circumferential positioning. When the nut 140 is tightened, the head of the plug housing 130 presses the sealing gasket 240 to achieve sealing.

[0044] The socket contact housing 210 and the socket wire seal 220 are both made of insulating materials.

[0045] The socket wire seal 220 is bonded to the rear of the socket housing 230 , and a second wire groove 221 is provided on the socket wire seal 220 . The socket wire seal 220 is made of a flexible material as a whole, such as silicone rubber.

[0046] Furthermore, a metal clamping ring 213 is also provided on the inner wall of the socket housing 230 . After the socket contact housing 210 is installed into the socket housing 230 from the rear end of the socket housing 230 , it is clamped and fixed by the metal clamping ring 213 .

[0047] A socket contact accommodating cavity 211 for accommodating the second composite contact 400 is formed between the socket contact housing 210 and the socket wire seal body 220 .

[0048] In this way, the second composite contact 400 can be inserted into the socket contact accommodating cavity 211 from the second wire passing groove 221 .

[0049] Specifically, a step 431 is provided on the outer wall of the second composite contact 400 , and a second clamping structure 212 is provided in the socket contact accommodating cavity 211 .

[0050] Thus, when the second composite contact 400 is inserted into the socket contact accommodating cavity 211 from the rear end of the socket contact accommodating cavity 211 , the step 431 of the second composite contact 400 is engaged with the second engaging structure 212 , so that the second composite contact 400 is axially positioned.

[0051] Furthermore, when the second composite contact 400 needs to be disassembled for maintenance, a tool is inserted into the second wire groove 221 to push open the spring sheet of the second clamping structure 212 and pull out the second composite contact 400 together with the optical-electrical composite cable 500 .

[0052] It can be seen that since the composite contact is directly connected to the corresponding optoelectronic composite cable 500, when a certain optical path-circuit needs to be repaired or adjusted, the corresponding composite contact can be directly taken out, which has stronger independence and each optical-electrical channel does not affect each other.

[0053] Combination Figure 6As shown, the optoelectronic composite cable 500 is constructed to include optical fibers 510, optical fiber sheaths 520, braided conductors 530, and outer sheaths 540 distributed from the inside to the outside, wherein the optical fibers 510 realize optical signal transmission, and the braided conductors 530 realize electrical energy transmission.

[0054] Thus, the optoelectronic composite cable 500 of the present application is different from the prior art in that the optical cables and electrical cables are in the form of two bundles. One cable is used to achieve optical-electrical transmission, which is more beneficial to the structural strength and compactness of the transmission cable, and also provides a new docking form for optoelectronic composite contacts.

[0055] Optionally, the optical fiber sheath 520 is a tubular bendable insulator with a certain strength, such as a polyethylene insulation layer.

[0056] Optionally, the braided conductor 530 is made of soft metal conductor, such as braided copper wire, which is woven in a mesh shape on the outer wall of the optical fiber sheath 520, so that the optoelectronic composite cable 500 as a whole has a certain tensile strength and can realize power or electrical signal transmission.

[0057] Furthermore, the outer sheath 540 is disposed on the outer layer of the braided conductor 530 to provide insulation and protection for the braided conductor 530 .

[0058] Optionally, the outer sheath 540 is a polyvinyl chloride sheath.

[0059] It can be understood that the optoelectronic composite cable 500 proposed in the present application is a 1-optical 1-electrical cable structure formed by winding multiple strands of metal wires around a central optical channel. Based on this, one connector can be installed with multiple such cables to form a multi-core optoelectronic integrated connector. Compared with traditional cables with separate optical fibers and wires, this cable and the corresponding contacts are more integrated.

[0060] Combination Figure 5 As shown, since the optoelectronic composite cable 500 is arranged with a middle optical path and an outer circuit, the first composite contact 300 and the second composite contact 400 provided corresponding to the optoelectronic composite cable 500 are constructed to include a core structure and an outer layer structure wrapped outside the core structure.

[0061] It should be understood that the first composite contact 300 and the second composite contact 400 have the same structure, except that one is allocated to the connector male header 100 and the other is allocated to the connector female header 200 .

[0062] The optical fiber 510 is connected to the core structure, and the braided conductor 530 is connected to the outer structure. The optical fiber 510-core structure constitutes an optical transmission path, and the braided conductor 530-outer structure constitutes an electrical transmission path.

[0063] In an optional embodiment, the optical fiber 510 of the optoelectronic composite cable 500 is inserted into the core structure and then bonded and fixed, and the braided conductor 530 of the optoelectronic composite cable 500 is crimped and fixed to the outer layer structure.

[0064] Combination Figure 5 As shown, the outer structure includes a contact tube 420, and the core structure includes a ceramic sleeve 410. The inner wall of the ceramic sleeve 410 is connected to a lens 411 and a ceramic ferrule 412. The ceramic sleeve 410 is connected to the head of the lumen of the contact tube 420 and has a portion extending outside the lumen. Optical fiber glue is applied to the surface of the optical fiber 510, and then the optical fiber 510 is inserted into the ceramic ferrule 412 from the tail of the lumen of the contact tube 420 and fixed by curing in a curing furnace.

[0065] The contact tube 420 is made of conductive material, such as a copper tube, a copper-plated silver tube, a copper-plated gold tube, etc.

[0066] Furthermore, the outer structure also includes a contact tube shell 430 and a crimped tube shell 450 . The outer wall of the contact tube 420 is provided with a flange 422 , wherein the head end portion of the contact tube 420 located in front of the flange 422 forms a contact area 421 for inserting into the inner wall of the contact sleeve 162 .

[0067] The contact tube shell 430 is sleeved on the middle part of the outer wall of the contact tube 420 and is fixed to the contact tube 420 by means of the flange 422 .

[0068] The crimping tube shell 450 is sleeved on the tail end of the contact tube 420, and a crimping space for accommodating the braided conductor 530 is formed between the crimping tube shell 450 and the contact tube 420. When the braided conductor 530 is in the crimping space and the crimping tube shell 450 is squeezed and deformed, the contact tube 420, the braided conductor 530 and the crimping tube shell 450 are fixed to each other.

[0069] Specifically, a step 431 is provided at one end of the contact tube shell 430, and a clamping sheet 432 is provided at the other end. The clamping sheet 432 is pressed against one side of the flange 422, and a spring 440 is provided between the flange 422 and the step 431. In this way, the contact tube shell 430 can be stably fixed on the outer wall of the contact tube 420.

[0070] An optical fiber channel 423 is formed inside the contact tube 420 , and the optical fiber can extend from the optical fiber channel 423 into the ceramic ferrule 412 and be coupled with the lens 411 .

[0071] Furthermore, in order to increase the connection capability between the braided conductor 530 and the contact tube 420 , a micro-concave-convex structure is provided on the outer wall of the tail of the contact tube 420 , such as a recessed portion 424 and a raised portion 425 . This structure can increase the axial connection capability between the braided conductor 530 and the contact tube 420 .

[0072] Furthermore, the inner wall of the crimping tube shell 450 is provided with a narrowing structure 451 . When the crimping tube shell 450 is sleeved on the outer walls of the contact tube 420 and the braided conductor 530 , the braided conductor 530 and the tail of the contact tube 420 can be compressed by the narrowing structure 451 .

[0073] As shown in the accompanying drawings, the specific assembly process of the optoelectronic composite cable 500 and the second composite contact 400 according to the embodiment of the present invention is as follows: The light transmission parts of the second composite contact 400 are the lens 411 and the ceramic insert 412, and the power transmission parts are mainly the contact tube 420. When in use, firstly, the ceramic insert 412 is tightly pressed into the head of the contact tube 420 to make them one body, then the outer sheath 540 in the optoelectronic composite cable 500 is stripped off for a length to expose the braided conductor 530, and then the braided conductor 530 is straightened into a circle of metal wire (from a braided state to a state parallel to the axis), and after the metal wire is trimmed to a fixed length, the optical fiber sheath 520 is stripped off to expose the optical fiber 510, and the coating layer of the optical fiber 510 is removed, and after applying optical fiber glue, it is inserted into the small hole in the middle of the ceramic insert 412 and extended by 1 to 2 mm, and then cured in a curing furnace. After the optical fiber glue solidifies, the ceramic insert 412 and the optical fiber 510 are bonded together and cannot be separated; The ceramic ferrule 412 with the optical fiber 510 is ground to be smooth and flat, and then installed into the ceramic sleeve 410 assembly of the lens 411 bonded as one. If necessary, an anti-reflection film can be coated on both end faces of the lens and the surface of the ground ceramic ferrule 412 and the optical fiber 510 assembly; After the optical fiber 510 is installed, the spring 440 is installed into the outer wall of the contact tube 420, and then into the contact tube shell 430. After the pressing piece 432 at the left end of the contact tube shell 430 is assembled in place, it is deformed by riveting (originally a straight tube shape), and the pressing piece 432 cooperates with the left slope of the flange 422 to limit the position, so that the spring 440 will not push the contact tube shell 430 out, and the contact tube shell 430 can move freely to the left and can rebound to the original position under the elastic force of the spring 404; Then, the straightened braided conductor 530 in the optoelectronic composite cable 500 is evenly placed on the outside of the right end of the contact tube shell 430, and the outer part of the braided conductor 530 is inserted into the crimping tube shell 450, and the crimping tube shell 450 is flattened into a polygon (the flattening position corresponds to the concave part 424 and the convex part 425), and the braided conductor 530 is fixed to the outer wall of the contact tube 420, completing the optoelectronic connection between the optoelectronic composite cable 500 and the second composite contact 400. The assembled structure is as shown in FIG. Figure 7 shown.

[0074] As an optional embodiment, in order to achieve optical path connectivity and circuit connectivity after the first composite contact 300 and the second composite contact 400 are coupled, a composite contact component 160 is connected to the head end of the plug housing 130. Figure 4As shown, the composite contact component 160 includes a docking sleeve 161 , a contact sleeve 162 and a contact component housing. The docking sleeve 161 is provided with an optical coupling channel 1611 for docking the first composite contact piece 300 and the second composite contact piece 400 .

[0075] In an optional embodiment, the butt sleeve 161 is made of silicon nitride ceramic, the optical coupling channel 1611 is a cylindrical cavity, and the inner diameter of the butt sleeve 161 matches the outer diameter of the ceramic sleeve 410 .

[0076] Furthermore, when the connector male head 100 and the connector female head 200 are docked with each other, the core structure of each first composite contact 300 and the corresponding second composite contact 400 are non-contact coupled in the optical coupling channel 1611, and the outer structure is in contact with the contact sleeve 162, so that the optical transmission path and the electrical transmission path are docked.

[0077] Specifically, the ceramic sleeves 410 in the first composite contact 300 and the second composite contact 400 are inserted into the optical coupling channel 1611 , and non-contact coupling is achieved through the lens 411 .

[0078] Furthermore, both ends of the contact sleeve 162 are provided with an annular elastic contact structure 1622 extending to the outside of both ends of the docking sleeve 161 , and the inner diameter of the elastic contact structure 1622 is smaller than the outer diameter of the contact area 421 .

[0079] Specifically, the contact area 421 in the first composite contact 300 and the second composite contact 400 is inserted into the inner wall of the contact sleeve 162, and the elastic contact structure 1622 can compress the contact area 421, and at the same time, the circuit is connected through the contact area 421 of the first composite contact 300-contact sleeve 162-contact area 421 of the second composite contact 400.

[0080] Furthermore, a convex ring 1623 is provided on the inner wall of the contact sleeve 162, and a concave ring 1612 is provided on the outer wall of the docking sleeve 161. The contact sleeve 162 is sleeved on the outer wall of the docking sleeve 161. In this way, after the docking sleeve 161 and the contact sleeve 162 are assembled together, axial fixation can be achieved through the engagement of the convex ring 1623 and the concave ring 1612.

[0081] Optionally, the contact sleeve 162 is a copper-gold-plated, copper-silver-plated or copper structure, and the docking sleeve 161 is a ceramic structure.

[0082] Combination Figure 4 As shown, the contact component housing includes a first shell 160a and a second shell 160b, and both the first shell 160a and the second shell 160b are provided with a contact sleeve insertion hole 160d.

[0083] Optionally, the first shell 160a and the second shell 160b are made of polyphenylene sulfide.

[0084] The second housing 160 b is closer to the head of the plug housing 130 than the first housing 160 a , and a positioning protruding ring 1621 is provided on the outer wall of the contact sleeve 162 .

[0085] Thus, when the first shell 160a and the second shell 160b are matched with each other, the contact sleeve 162 is located in the contact sleeve insertion hole 160d, and the positioning protruding ring 1621 is located at the joint surface of the first shell 160a and the second shell 160b, so that the contact sleeve 162 and the contact component housing are axially fixed.

[0086] Furthermore, a screw mounting hole 160c is provided between the first shell 160a and the second shell 160b, and the contact component housing is mounted to the head of the plug shell 130 by screws 163, and the screws 163 press and fix the first shell 160a and the second shell 160b to the plug shell 130.

[0087] As shown in the accompanying drawings, the assembly method of the composite contact component according to the embodiment of the present invention is as follows: After the docking sleeve 161 and the contact sleeve 162 are assembled together, they are inserted into the contact sleeve insertion hole 160d of the second shell 160b, and then the first shell 160a and the second shell 160b are matched together and bonded. The screw 163 is also installed in the screw mounting hole 160c when the first shell 160a and the second shell 160b are bonded. The outer wall of the screw 163 has a protruding portion, and the protruding portion has a certain free space in the screw mounting hole 160c, which can rotate and has a certain axial floating space. The thread of the screw 163 is coated with thread glue, which is solidified after being screwed into the screw hole 112 of the plug contact housing 110 for a period of time to bond the two together. At this time, the contact sleeve 162 extends into the hole of the plug contact accommodating cavity 111.

[0088] After the installation is completed, there is a certain gap between the screw 163 and the first shell 160a and the second shell 160b, and the whole formed by the first shell 160a and the second shell 160b can float slightly, but the floating amount is limited due to the positioning constraint between the contact sleeve 162 and the plug contact accommodating cavity 111, even if the second composite contact 400 has a certain floating self-compensation positioning function when inserted into the contact sleeve 162.

[0089] Combination Figure 8As shown, when the second composite contact 400 is inserted into the composite contact component 160, the circuit is connected through the contact area 421-contact sleeve 162 of the second composite contact 400, as shown in the red path, and the ceramic sleeve 410 in the second composite contact 400 is inserted into the optical coupling channel 1611, and the optical path is connected through the lens 411, as shown in the blue path.

[0090] Although the present invention has been disclosed as above with preferred embodiments, it is not intended to limit the present invention. A person with ordinary knowledge in the technical field to which the present invention belongs may make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the protection scope of the present invention shall be determined by the definition of the claims.

Claims

1. A multi-core detachable high-density optoelectronic integrated connector, characterized in that: Comprising a connector male head (100) and a connector female head (200), wherein the connector male head (100) is provided with a plurality of first composite contact pieces (300), and the connector female head (200) is provided with a plurality of second composite contact pieces (400), and the first composite contact pieces (300) and the second composite contact pieces (400) are respectively connected to corresponding optoelectronic composite cables (500); The male connector (100) comprises a plug contact mounting component, a plug housing (130) and a nut (140); the plug contact mounting component is connected to the rear end of the plug housing (130); the nut (140) is connected to the outside of the plug housing (130) and can rotate unidirectionally relative to the plug housing (130) to achieve assembly with the female connector (200); The head end of the plug housing (130) is connected to a composite contact component (160), the composite contact component (160) comprising a docking sleeve (161), a contact sleeve (162) and a contact component housing, the docking sleeve (161) being provided with an optical coupling channel (1611) for docking the first composite contact piece (300) and the second composite contact piece (400); The first composite contact piece (300) and the second composite contact piece (400) are constructed to include a core structure and an outer layer structure wrapped outside the core structure; The optoelectronic composite cable (500) is constructed to include optical fibers (510), optical fiber sheaths (520), braided conductors (530), and outer sheaths (540) distributed from the inside to the outside, the optical fibers (510) being connected to the core structure, the braided conductors (530) being connected to the outer structure, the optical fibers (510)-core structure forming an optical transmission path, and the braided conductors (530)-outer structure forming an electrical transmission path; When the connector male head (100) and the connector female head (200) are docked with each other, the core structure of each first composite contact piece (300) and the corresponding second composite contact piece (400) are non-contact coupled in the optical coupling channel (1611), and the outer layer structure of the first composite contact piece (300) and the corresponding second composite contact piece (400) are in contact with the contact sleeve (162) to achieve electrical connection, so that the optical transmission path and the electrical transmission path are docked.

2. The multi-core detachable high-density optoelectronic integrated connector according to claim 1, characterized in that: The optical fiber (510) of the optoelectronic composite cable (500) is plugged into the core structure and then bonded and fixed, and the braided conductor (530) of the optoelectronic composite cable (500) is crimped and fixed to the outer layer structure.

3. The multi-core detachable high-density optoelectronic integrated connector according to claim 1, characterized in that: The outer structure comprises a contact tube (420), the core structure comprises a ceramic sleeve (410), the inner wall of the ceramic sleeve (410) is connected to a lens (411) and a ceramic ferrule (412), the ceramic sleeve (410) is connected to the head of the lumen of the contact tube (420) and has a portion extending outside the lumen, and the optical fiber (510) is inserted into the ceramic ferrule (412) from the tail of the lumen of the contact tube (420).

4. The multi-core detachable high-density optoelectronic integrated connector according to claim 3, characterized in that: The outer layer structure also includes a contact tube shell (430) and a crimped tube shell (450), the outer wall of the contact tube (420) is provided with a flange (422), wherein the head end portion of the contact tube (420) located in front of the flange (422) forms a contact area (421) for inserting into the inner wall of the contact sleeve (162); The contact tube shell (430) is sleeved on the middle part of the outer wall of the contact tube (420), and is clamped and fixed to the contact tube (420) via a flange (422); The crimping tube shell (450) is sleeved on the rear end of the contact tube (420), and a crimping space for accommodating the braided conductor (530) is formed between the crimping tube shell (450) and the contact tube (420); when the braided conductor (530) is in the crimping space and the crimping tube shell (450) is squeezed and deformed, the contact tube (420), the braided conductor (530) and the crimping tube shell (450) are fixed to each other.

5. The multi-core detachable high-density optoelectronic integrated connector according to claim 3, characterized in that: The optical coupling channel (1611) is constructed as a cylindrical cavity; the inner diameter of the butt sleeve (161) matches the outer diameter of the ceramic sleeve (410); the inner wall of the contact sleeve (162) is provided with a convex ring (1623); the outer wall of the butt sleeve (161) is provided with a concave ring (1612); the contact sleeve (162) is sleeved on the outer wall of the butt sleeve (161) and axially fixed by engaging the convex ring (1623) and the concave ring (1612); both ends of the contact sleeve (162) are provided with an elastic contact structure (1622) of an annular structure extending to the outside of both ends of the butt sleeve (161); the inner diameter of the elastic contact structure (1622) is smaller than the outer diameter of the contact area (421).

6. The multi-core detachable high-density optoelectronic integrated connector according to claim 5, characterized in that: The contact component housing comprises a first housing (160a) and a second housing (160b); the first housing (160a) and the second housing (160b) are both provided with a contact sleeve insertion hole (160d); the second housing (160b) is closer to the head of the plug housing (130) than the first housing (160a); a positioning convex ring (1621) is provided on the outer wall of the contact sleeve (162); when the first housing (160a) and the second housing (160b) are matched with each other, the contact sleeve (162) is located in the contact sleeve insertion hole (160d), and the positioning convex ring (1621) is located at the joint surface of the first housing (160a) and the second housing (160b), so that the contact sleeve (162) and the contact component housing are axially fixed.

7. The multi-core detachable high-density optoelectronic integrated connector according to claim 6, characterized in that: A screw mounting hole (160c) is also provided between the first shell (160a) and the second shell (160b); the contact component housing is mounted to the head of the plug shell (130) via screws (163); the screws (163) press the first shell (160a) and the second shell (160b) together and fix them to the plug shell (130).

8. The multi-core detachable high-density optoelectronic integrated connector according to claim 1, characterized in that: The plug contact installation component comprises a plug contact housing (110) and a plug wire seal (120); the plug contact housing (110) and the plug wire seal (120) are connected to each other to form a plug contact accommodating cavity (111) for accommodating a first composite contact (300); the first composite contact (300) is fixed in the plug contact accommodating cavity (111).

9. The multi-core detachable high-density optoelectronic integrated connector according to claim 8, characterized in that: The connector female head (200) comprises a socket contact housing (210), a socket wire seal (220) and a socket housing (230); the socket contact housing (210) and the socket wire seal (220) are fixed to each other and then installed into the socket housing (230) from the rear of the socket housing (230); a plug-in slot (201) is provided at the head of the socket housing (230), and a sealing gasket (240) is provided at the bottom of the plug-in slot (201); A socket contact accommodating chamber (211) for accommodating the second composite contact (400) is formed between the socket contact housing (210) and the socket wire seal body (220).

10. The multi-core detachable high-density optoelectronic integrated connector according to claim 9, characterized in that: The outer structure is provided with a step (431), the plug contact accommodating cavity (111) is provided with a first clamping structure (113), and the socket contact accommodating cavity (211) is provided with a second clamping structure (212); When the first composite contact piece (300) is inserted into the plug contact piece accommodating cavity (111) from the rear end of the plug contact piece accommodating cavity (111), the step (431) of the first composite contact piece (300) is engaged and connected with the first clamping structure (113), so that the first composite contact piece (300) is axially positioned; When the second composite contact piece (400) is inserted into the socket contact piece accommodating cavity (211) from the rear end of the socket contact piece accommodating cavity (211), the step (431) of the second composite contact piece (400) is engaged and connected with the second clamping structure (212), so that the second composite contact piece (400) is axially positioned.

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