CN216289105U

CN216289105U - Power connector, lower box and composite optical module

Info

Publication number: CN216289105U
Application number: CN202122073410.7U
Authority: CN
Inventors: 王自力; 舒坤
Original assignee: Wuhan Huagong Genuine Optics Tech Co Ltd
Current assignee: Wuhan Huagong Genuine Optics Tech Co Ltd
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2022-04-12
Anticipated expiration: 2031-08-31

Abstract

The utility model relates to the technical field of optical communication, and provides a power connector which comprises an optical port power supply terminal and plastic, wherein the optical port power supply terminal and the plastic are in an integrally formed structure, a metal polar plate is arranged in the plastic, and the metal polar plate extends into the optical port power supply terminal and extends to a connecting end which can be connected with the optical port power supply terminal. The lower box body comprises a base and the power connector, and the power connector is in interference fit with the base. The composite light module comprises the lower box body. Compared with the existing welding form, the utility model adopts an integrally formed structure, and solves the problems of short circuit/open circuit and the like caused by high-temperature melting of welding spots; and the integrated structure can increase the appearance of the assembly operation, thereby facilitating the assembly, and having high fixing accuracy and reliability.

Description

Power connector, lower box and composite optical module

Technical Field

The utility model relates to the technical field of optical communication, in particular to a power connector, a lower box body and a composite light module.

Background

At present, in the market, the composite optical module industry generally uses the soft board to adopt the welding mode, is connected the optical access power supply terminal of composite optical module to its electric access power supply terminal, and this type of design generally has following problem:

1. the soft board is made of insulating plastic wrapping metal with the thickness of 0.05mm, the current carrying capacity of the soft board is low due to the thickness of 0.05mm, and the heat is very large under the condition that a client requires DC72V and 2A rated current carrying, so that the internal thermal performance of the module is very poor, even the module is frequently failed at high temperature, welding spots of the soft board are melted and broken, the high-temperature positive and negative plates are deformed and short-circuited, and the power supply plate and the shell are short-circuited.

2. The production process is complex, the optical port power supply terminal of the flexible board connection design scheme is necessarily a small component body, so that the assembly operation difficulty is high, a module manufacturer is required to finish the assembly welding, the stability is difficult to ensure, the production efficiency is also influenced, and the process cost is difficult to control.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a power connector, a lower box body and a composite light module, which can at least solve part of defects in the prior art.

In order to achieve the above purpose, the embodiments of the present invention provide the following technical solutions: the utility model provides a power connector, includes light mouthful power supply terminal, still includes the plastic, light mouthful power supply terminal with the plastic is integrated into one piece structure, the plastic embeds there is the metal polar plate, the metal polar plate stretches into in the light mouthful power supply terminal and extend to the link end department that can be connected with the electricity mouthful power supply terminal.

Furthermore, the thickness of the metal plate is controlled to be 0.1-0.5 mm.

Furthermore, the optical port power supply terminal is provided with a clamping ring section which can be clamped on a base of the optical module.

Furthermore, the clamping ring section is provided with a convex point which can be in interference connection with the clamping groove of the base.

Furthermore, a nickel layer is plated on the snap ring section.

Further, the connecting end is a connecting ring capable of being in compression joint with a power terminal of the electric port, and the metal pole plate is connected with the connecting ring.

Furthermore, the number of the connecting rings is two, and the two connecting rings are arranged in a straight line.

The embodiment of the utility model provides another technical scheme: a lower box body comprises a base and the power supply connector, wherein the power supply connector is in interference fit with the base.

The power connector is connected with the power supply terminal through a power line, the power supply terminal is connected with the light source through a light source, and the light source is connected with the light source through a light source.

The embodiment of the utility model provides another technical scheme: a composite light module comprises the lower box body.

Compared with the prior art, the utility model has the beneficial effects that:

1. compared with the existing welding form, the integrally formed structure solves the problems of short circuit/open circuit and the like caused by high-temperature melting of welding spots; in addition, because of no application of a flexible plate, the power connector can be assembled with other structure shells into a lower box body in a structure supply plant, the assembly difficulty is improved, the special length of production/assembly of the structure of the supply plant is fully exerted, and a module plant directly purchases the lower box body for production, so that the production efficiency and the reliability are correspondingly improved, the comprehensive process time cost of module production is also reduced, and the market competitiveness of the composite optical module is improved.

2. Compared with the hard connection mode of a thicker metal polar plate in the prior art, the metal overcurrent sectional area is increased, and the current bearing capacity of the composite optical module is greatly improved, so that the working heat productivity of the composite optical module is reduced, the thermal performance of the optical module is improved, and the quality and the reliability of the module are improved.

3. The mode of adopting the crimping of go-between has still reduced impedance when having increased the reliability, has also avoided simultaneously generating heat to cause the emergence of solder joint melting open circuit accident.

4. The surface of the snap ring section is provided with a surface protection nickel electroplating mode, so that the surface of the snap ring section is conductive, two salient points are arranged on two sides of the snap ring section, and the snap ring section is in micro-interference contact with a base clamping groove during assembly, so that the reliable electrical continuity between the snap ring section and a metal base is ensured, and the purpose of improving the EMI/ESD protection capability of the composite optical module is achieved.

Drawings

Fig. 1 is a perspective view of a power connector according to an embodiment of the utility model;

FIG. 2 is a front view, cross-sectional view of a power connector according to an embodiment of the utility model;

fig. 3 is a bottom view of a power connector according to an embodiment of the utility model;

FIG. 4 is a perspective view of a lower case according to an embodiment of the present invention;

figure 5 is an exploded view of a composite light module according to an embodiment of the present invention;

in the reference symbols: 1-optical port power supply terminal; 2-plastic cement; 3-a metal plate; 4-snap ring section; 5-salient points; 6-connecting ring; 7-electrical port power terminals; 8-a base; 9-upper cover; 10-briquetting; 11-PCBA board; 12-power supply connector.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 3, an embodiment of the utility model provides a power connector, including a light port power terminal 1 and a plastic 2, where the light port power terminal 1 and the plastic 2 are an integrated structure, a metal plate 3 is embedded in the plastic 2, and the metal plate 3 extends into the light port power terminal 1 and extends to a connection end capable of being connected to a power port power terminal 7. In the embodiment, compared with the existing welding form, the integrally formed structure is adopted, so that the problems of short circuit/open circuit and the like caused by high-temperature melting of welding spots are solved; and the integrated structure can increase the appearance of the assembly operation, thereby ensuring simple and convenient assembly and high fixing accuracy and reliability. Preferably, the plastic 2 is a temperature-resistant insulating plastic.

Referring to fig. 1 to 3, as an optimized scheme of the embodiment of the utility model, the thickness of the metal plate 3 is controlled to be 0.1 to 0.5 mm. In the embodiment, the thickness of the metal polar plate 3 is set to be 0.1-0.5 mm, and is thicker than the existing 0.05mm, and the hard connection mode increases the metal overcurrent sectional area and greatly improves the current bearing capacity of the composite optical module, so that the working heat productivity of the composite optical module is reduced, the thermal performance of the optical module is improved, and the quality and the reliability of the module are improved. Preferably, the thickness is 0.3mm, and the whole size can be controlled on the premise of good stability.

Referring to fig. 1 to fig. 3, as an optimized solution of the embodiment of the present invention, the optical power terminal 1 has a snap ring segment 4 that can be snapped on a base 8 of an optical module. Preferably, the snap ring segment 4 has a convex point 5 which can be in interference connection with the snap groove of the base 8; the snap ring section 4 is plated with a nickel layer. In this embodiment, the surface of the snap ring segment 4 is plated with nickel in a surface protection manner, so that the surface of the snap ring segment is conductive, and two protrusions 5 are arranged on two sides of the snap ring segment 4, and are in micro-interference contact with the clamping groove of the base 8 during assembly, so that reliable electrical continuity between the snap ring segment and the metal base 8 is ensured, and the purpose of improving the EMI/ESD protection capability of the composite optical module is achieved. Preferably, the present power connector 12 is long, at the snap ring section 4, two salient points 5 of the present power connector are arranged on two sides in a direction perpendicular to the length direction of the power connector 12, one side surface of the present power connector is an arc surface, the arc surface is recessed from the top to the bottom and extends towards the direction outside the snap ring section 4, and the extending end is the salient point 5.

As an optimized solution of the embodiment of the present invention, please refer to fig. 1 to fig. 3, the connection end is a connection ring 6 capable of being pressed with an electric power terminal 7, and the metal plate 3 is connected to the connection ring 6. Preferably, there are two connecting rings 6, and the two connecting rings 6 are arranged in a straight line. In the embodiment, the mode of crimping the connecting ring 6 is adopted, so that the impedance is reduced while the reliability is improved, and meanwhile, the occurrence of the accident of open circuit caused by welding spot melting due to heating is avoided. Preferably, the connecting rings 6 are pi-shaped, two pi-shaped connecting rings 6 are arranged in a straight line, and the end parts of two adjacent pi-shaped connecting rings are respectively connected with the metal polar plate 3. The pi-shaped structure facilitates the press-connection with the power supply terminal 7 of the electric port.

Referring to fig. 1 to 4, an embodiment of the utility model provides a lower box body, which includes a base 8 and the power connector 12, wherein the power connector 12 is assembled with the base 8 in an interference manner. In this embodiment, the connection may be facilitated by a micro interference fit. Preferably, the lower case further comprises an electrical port power terminal 7, the electrical port power terminal 7 and the optical port power terminal 1 are respectively located at two ends of the base 8, and the power connector 12 is in pressure contact with the electrical port power terminal 7. In the embodiment, compared with the existing welding form, the integrally formed structure is adopted, so that the problems of short circuit/open circuit and the like caused by high-temperature melting of welding spots are solved; and the integrated structure can increase the appearance of the assembly operation, thereby ensuring simple and convenient assembly and high fixing accuracy and reliability. In addition, because of no application of the flexible board, the power connector 12 can be assembled with other structural shells into a lower box body in a structural member supply plant, so that the assembly difficulty is improved, the production/assembly characteristics of structural members of the supply plant are fully exerted, and a module manufacturer directly purchases the lower box body for production, so that the production efficiency and the reliability are correspondingly improved, the labor hour cost of a module production comprehensive process is also reduced, and the market competitiveness of the composite optical module is improved.

Referring to fig. 1 to 5, an embodiment of the utility model provides a composite optical module, which includes the above-mentioned lower box. Specifically, the utility model also comprises an upper cover 9, a pressing block 10 and a PCBA board 11. The upper cover 9, the pressing block 10, the PCBA board 11, the power connector 12 and the base 8 are assembled from top to bottom. In the embodiment, compared with the existing welding form, the integrally formed structure is adopted, so that the problems of short circuit/open circuit and the like caused by high-temperature melting of welding spots are solved; and the integrated structure can increase the appearance of the assembly operation, thereby ensuring simple and convenient assembly and high fixing accuracy and reliability. In addition, because of no application of the flexible board, the power connector 12 can be assembled with other structural shells into a lower box body in a structural member supply plant, so that the assembly difficulty is improved, the production/assembly characteristics of structural members of the supply plant are fully exerted, and a module manufacturer directly purchases the lower box body for production, so that the production efficiency and the reliability are correspondingly improved, the labor hour cost of a module production comprehensive process is also reduced, and the market competitiveness of the composite optical module is improved.

The sample shown in the embodiment has obvious advantages in numerous experiments, the overcurrent capacity meets the requirements of clients DC72V and 2A, the heat productivity is reduced, accidents such as short circuit/open circuit caused by melting of high-temperature welding spots are avoided, and the thermal performance and the electrical performance of the composite optical module are improved; the design of the novel connector snap ring section protective electroplating and the interference convex points also improves the EMI/ESD protective performance of the composite optical module; in addition, the assembly is simple and convenient, a structural part supplier can supply materials according to the mode of the lower box body of the component, a composite optical module manufacturer only needs to assemble the PCBA, and the assembly process can be completed by the pressing block and the upper cover, so that the quality reliability is improved, the production of the optical module is simpler, quicker and more efficient, the process production cost is obviously reduced, and the market competitiveness of the composite optical module is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A power connector comprises a light port power terminal, and is characterized in that: still include the plastic, the light mouthful power supply terminal with the plastic is the integrated into one piece structure, the plastic embeds there is the metal polar plate, the metal polar plate stretches into in the light mouthful power supply terminal and extend to the link end department that can be connected with the electric mouth power supply terminal.

2. The power connector of claim 1, wherein: the thickness of the metal plate is controlled to be 0.1-0.5 mm.

3. The power connector of claim 1, wherein: the optical port power supply terminal is provided with a clamping ring section which can be clamped on a base of the optical module.

4. A power connector as claimed in claim 3, wherein: the clamping ring section is provided with a convex point which can be in interference connection with the clamping groove of the base.

5. A power connector as claimed in claim 3, wherein: and the clamping ring section is plated with a nickel layer.

6. The power connector of claim 1, wherein: the connecting end is a connecting ring which can be in compression joint with a power terminal of the electric port, and the metal pole plate is connected with the connecting ring.

7. The power connector of claim 6, wherein: the number of the connecting rings is two, and the two connecting rings are arranged in a straight line.

8. The utility model provides a lower box body, includes the base, its characterized in that: a power connector as claimed in any one of claims 1 to 7, which is an interference fit with the base.

9. The lower case of claim 8, wherein: the power connector is connected with the power supply terminal through a power connector.

10. A composite light module, comprising: comprising a lower box according to any of claims 8-9.