CN215453530U

CN215453530U - Communication power supply

Info

Publication number: CN215453530U
Application number: CN202121483721.4U
Authority: CN
Inventors: 吕法新; 陈登志; 范杰
Original assignee: Shenzhen Kexin Communication Technology Co Ltd
Current assignee: Shenzhen Kexin Communication Technology Co Ltd
Priority date: 2021-06-30
Filing date: 2021-06-30
Publication date: 2022-01-07
Anticipated expiration: 2031-06-30

Abstract

The utility model provides a communication power supply, which comprises a shell and a power supply board arranged in the shell; a power supply cover is arranged in the shell, and a power supply bin is formed between the power supply cover and the shell; the power panel is arranged in the power cabin; wherein, a packaging lead window is formed on the power supply cover and is sealed and packaged by a sealing structural member and a sealing plate; the packaging lead window comprises a mounting hole arranged on the top surface of the power supply cover and an interface window arranged on the side surface; a sealing groove is formed around the mounting hole; the sealing structure comprises a sealing assembly and an interface assembly which are integrally formed, and a plurality of wire passing holes are formed in the side surface of the interface assembly; the sealing assembly is embedded in a sealing groove of the packaging lead window, and the sealing plate is packaged at the mounting hole; the interface assembly is arranged at the interface window of the packaging lead window so as to lead out the wires on the power panel in the power cover from the wire passing holes in the interface assembly at the interface window. The communication power supply provided by the utility model integrates sealing and wire leading-out, and is more beneficial to miniaturization of the communication power supply.

Description

Communication power supply

Technical Field

The utility model relates to the field of communication power supplies.

Background

In the field of communication power supplies, a small-sized die-cast micro power supply is taken as an example, and generally includes a housing, and a power supply board, a fan, and other devices provided in the housing. Wherein, generally, be provided with the power cover in the casing, form the power storehouse of holding the power strip between power cover and the casing. At this time, for the convenience of the lead wire leading-out installation, a package lead window where the wire is led out is generally formed on the power supply cover, and at the same time, the package lead window is hermetically installed by a sealing structure. Sealing structures are often used to protect against dust and water.

In the prior art, the sealing structure can only seal the power supply, and the function is single. Simultaneously, need additionally set up the sealing member and seal up the kneck, the sealed structure of function singleness can occupy great space, is unfavorable for the miniaturization of power.

SUMMERY OF THE UTILITY MODEL

The utility model provides a communication power supply, aiming at solving the problems that the sealing structural part of the communication power supply in the prior art has single function and is not beneficial to the miniaturization of the power supply.

The utility model provides a communication power supply, which comprises a shell and a power supply board arranged in the shell;

a power supply cover is arranged in the shell, and a power supply bin is formed between the power supply cover and the shell; the power panel is arranged in the power cabin;

a packaging lead window is formed on the power supply cover and is sealed and packaged through a sealing structural member and a sealing plate;

the packaging lead window is provided with a mounting hole at the top part and an interface window at the side; a sealing groove is formed around the mounting hole;

the sealing structure comprises a sealing assembly and an interface assembly which are integrally formed, and a plurality of wire passing holes are formed in the side surface of the interface assembly;

the sealing assembly is embedded in a sealing groove of the packaging lead window, the sealing plate is packaged at the mounting hole, and the sealing plate and the mounting hole are sealed and packaged through the sealing assembly;

the interface assembly is arranged at the interface window of the packaging lead window so as to lead out wires on the power panel in the power cover from the wire passing holes in the interface assembly at the interface window.

Compared with the prior art, the communication power supply provided by the embodiment of the utility model has the advantages that the sealing component is embedded in the sealing groove through the integrally arranged sealing structural component, so that the sealing plate and the lead window are sealed and packaged, meanwhile, the wire is led out through the wire through hole in the interface component, and other additional structural components are not required to be added. The structure integrates sealing and wire leading-out, realizes the leading-out of the internal conductive wire while sealing, and is more beneficial to the miniaturization of a communication power supply.

Further, an insulating sheet is arranged between the packaging lead window and the sealing plate. The sealing plate can be insulated from the power supply plate in the power supply bin by arranging the insulating sheet.

Further, the seal assembly includes an annular seal rubber ring, the seal groove is annular, and the annular seal rubber ring is embedded in the annular seal groove.

Further, the sealing rubber ring comprises an outer sealing ring and an inner conductive ring. Through setting up this interior conductive loop, can with the power cover of metal and the board of sealing of metal realize the electricity through this interior conductive loop and connect, so to guarantee the electromagnetic shielding performance in power storehouse.

Furthermore, the interface component also comprises an inner conducting strip, and the inner conducting strip is electrically connected with the inner conducting ring. The inner conducting strip can also realize the conductive connection between the sealing plate and the power supply cover, thereby further improving the electromagnetic shielding performance of the power supply bin.

Furthermore, the interface assembly is provided with a plurality of cutting lines for cutting the wires to the wire passing holes, and the cutting lines are used for assembling the wires into the wire passing holes from the cutting lines.

Furthermore, a plurality of grooves are formed in the top surface of the interface component, and a plurality of wedge blocks matched with the grooves are arranged on the bottom surface of the sealing plate; the wedge block is inserted into the groove to press and seal the wire in the wire passing hole.

Further, still be equipped with radiator fan in the casing, radiator fan is used for dispelling the heat to the power strip.

Furthermore, a plurality of pull rods are further arranged on the interface assembly, and plugs are arranged at the tail ends of the pull rods. So that the plug is plugged into the wire passing hole to be sealed when the wire is not connected.

Furthermore, the plug is provided with an external thread, and the wire passing hole is internally provided with an internal thread, so that the plug can be in threaded connection with the wire passing hole.

Drawings

Fig. 1 is an exploded schematic view of a communication power supply provided in an embodiment of the present invention (with the upper cover removed);

fig. 2 is an exploded schematic view of a communication power supply provided in an embodiment of the present invention (further removing the sealing plate);

fig. 3 and 4 are perspective views of a sealing structure provided in an embodiment of the present invention;

FIG. 5 is a schematic view of a hush plate provided in accordance with an embodiment of the present invention;

FIG. 6 is an enlarged schematic view at A in FIG. 2;

FIG. 7 is an enlarged schematic view at B in FIG. 3;

FIG. 8 is an enlarged schematic view at C of FIG. 3;

wherein, 1, sealing the structural member; 2. an insulating sheet; 3. a sealing plate; 4. a power supply cover; 5. a housing;

6. a heat radiation fan;

11. a seal assembly; 12. an interface component; 111. an outer sealing ring; 112. an inner conductive ring; 121. a wire passing hole; 122. a groove; 123. an inner conductive sheet; 124. cutting a line; 13. a plug; 14. a pull rod; 131. a screw; 132. a wafer; 31. a wedge block;

40. mounting holes; 41. a top surface; 42. a side surface;

411. a sealing groove; 421. and an interface window.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

In the description of the present invention, it is to be understood that the terms "longitudinal", "radial", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Examples

The communication power supply disclosed in the present application will be specifically explained in this example, as shown in fig. 1-2, the communication power supply includes a housing 5 and a power board (not shown in the figure) disposed in the housing 5;

a power supply cover 4 is arranged in the shell 5, and a power supply bin is formed between the power supply cover 4 and the shell 5; the power panel is arranged in the power cabin;

a packaging lead window is formed on the power supply cover 4 and is sealed and packaged through a sealing structural part 1 and a sealing plate 3;

as shown in the enlarged view of fig. 6, the package lead window includes a mounting hole 40 formed in the top surface 41 of the power supply cover 4 and an interface window 421 formed in the side surface 42; a sealing groove 411 is formed around the mounting hole 40;

as shown in fig. 3 and 4, the sealing structure 1 includes an integrally formed sealing component 11 and an interface component 12, and a plurality of wire through holes 121 are formed in a side surface of the interface component 12;

the sealing assembly 11 is embedded in the sealing groove 411 of the package lead window, the sealing plate 3 is packaged at the mounting hole 40, and the sealing plate 3 and the mounting hole 40 are hermetically packaged through the sealing assembly 11;

the interface assembly 12 is arranged at the interface window 421 of the packaging lead window, so that wires on a power supply board in the power supply cover 4 are led out from the wire passing holes 121 in the interface assembly 12 at the interface window 421.

Compared with the prior art, the communication power supply provided by the embodiment of the utility model has the advantages that the sealing structure 1 is integrally arranged, the sealing assembly 11 is embedded in the sealing groove 411, so that the sealing plate 3 and the lead window are sealed and packaged, meanwhile, the wire is led out through the wire through hole 121 on the interface assembly, and other additional structural parts are not required to be added. The structure integrates sealing and wire leading-out, realizes the leading-out of the internal conductive wire while sealing, and is more beneficial to the miniaturization of a communication power supply.

Preferably, an insulating sheet 2 is further provided between the package lead window and the sealing plate 3. The sealing plate can be insulated from the power supply plate in the power supply bin by arranging the insulating sheet.

In this example, the sealing structure 1 is formed by integral injection molding, and the main function is waterproof and dustproof. The material is typically a plastic with elasticity. The sealing structure 1 is formed by extrusion molding, compression molding, transfer molding, composite molding, sheet punching, and the like.

In this embodiment, as shown in fig. 3 and 4, the sealing assembly 11 includes an annular sealing rubber ring, the sealing groove 411 is annular, and the annular sealing rubber ring is embedded in the annular sealing groove 411.

As shown in the enlarged view of fig. 7, the sealing rubber ring comprises an outer sealing ring 111 and an inner conductive ring 112. By providing the inner conductive ring 112, the metal power cover 4 and the metal sealing plate 3 can be electrically connected to each other through the inner conductive ring, thereby ensuring the electromagnetic shielding performance of the power supply compartment. The inner conductive ring 112 may be formed by injection molding of a plastic material filled with a conductive material to provide conductivity. The inner conductive ring 112 is prepared by filling conductive particles such as pure silver, silver-plated copper, silver-plated aluminum, silver-plated nickel, nickel-plated graphite, etc. into silicone rubber to form a uniform and integrated mixture, and then forming a conductive product with excellent shielding performance and environmental sealing function by chemical crosslinking. Therefore, the sealing and the wiring can be led out into a whole, the electric connection between the power cover 4 and the sealing plate 3 can be realized, and the sealing, the electric conduction and the wire passing functions can be realized simultaneously by utilizing the sealing structural member 1. The outer sealing ring 111 and the inner conductive ring 112 are connected together, so that other structural parts are reduced, and the miniaturization of the sealing structural part 1 is facilitated.

The cross sections of the inner conductive ring 112 and the outer sealing ring 111 are rectangular. The upper surfaces of the two are positioned on the same plane.

As shown in fig. 4, the interface component 12 further includes an inner conductive sheet 123, and the inner conductive sheet 123 is electrically connected to the inner conductive ring 112. The inner conducting strip 123 can also realize the conductive connection between the sealing plate 3 and the power supply cover 4, thereby further improving the electromagnetic shielding performance of the power supply cabin. Similarly, the inner conductive plate 123 in the interface module 12 may be made of a plastic material filled with a conductive material by injection molding, so as to have a conductive property.

As shown in the enlarged view of fig. 8, a plurality of cutting lines 124 cut to the wire passing holes 121 are disposed on the interface module 12, and the cutting lines 124 are used for assembling wires from the cutting lines 124 into the wire passing holes 121. Cut line 124 cuts into the wire passing hole 121 from the top surface of the header assembly 12 (the surface flush with the top surface of the seal assembly 11 as shown in fig. 3).

The wire passing through the wire passing hole 121 is generally larger than the cross section of the wire passing hole 121 because it is generally provided with a terminal. So that the terminal cannot pass through the wire passing hole 121, and for this reason, the cutting wire 124 is provided in this example so that the wire can pass through the wire passing hole 121. When passing the wire, the wire may be fitted into the wire passing hole 121 through the cutting line 124.

Preferably, the cut line 124 is angled more than 0 degrees and less than 90 degrees from the top surface of the interface assembly 12. By making the angle between the cut line 124 and the top surface of the interface module 12 greater than 0 degrees and less than 90 degrees, it is possible to prevent the interface module 12 from being damaged by the interface module 12 due to the interface module 12 being positioned between the two portions of the cut line 124 that are split along the cut line 124 when pressure is applied to the interface module 12.

Preferably, the cut line 124 is at a 50 degree angle to the top surface of the interface assembly 12.

A plurality of grooves 122 are further formed in the top surface of the interface component 12, and a plurality of wedges 31 matched with the grooves 122 are arranged on the bottom surface of the sealing plate 3; the wedge 31 is inserted into the groove 122 to press-seal the wire in the wire passing hole. In this example, the recesses 122 are rectangular in shape, and the recesses 122 are equally spaced on the surface of the header assembly 12. In this example, there are 4 recesses 122 provided in the header assembly 12. Correspondingly, 4 wedges 31 are also provided on the sealing plate 3.

As shown in fig. 1 and 2, a heat dissipation fan 6 is further disposed in the housing 5, and the heat dissipation fan 6 is used for dissipating heat of the power board.

Preferably, as shown in fig. 1 and 2, the interface component 12 is further provided with a plurality of pull rods 14, and the ends of the pull rods 14 are provided with plugs 13. So as to plug the plug 13 into the wire through hole 121 for sealing when the wire is not connected. The pull rod 14 is also made of a material integrally formed with the interface component 12, and the pull rod can be bent, so that when no wire is installed on the wire passing hole 121, the pull rod can be bent, and the plug 13 on the pull rod 14 is plugged into the wire passing hole 121, so that the wire passing hole 121 is protected. Optionally, the tie rod 14 is cylindrical in cross-section. The material of the pull rod 14 is rubber.

The plug 13 is provided with an external thread, and the wire passing hole 121 is internally provided with an internal thread, so that the plug 13 can be in threaded connection with the wire passing hole 121. Specifically, the plug 13 includes a threaded shaft 131 having external threads and two disks 132 disposed at opposite ends of the threaded shaft 131. The disks 132 each have a diameter greater than the diameter of the screw 131. The disc 132 is used to seal the wire passing hole 121 after the screw 131 is screwed into the wire passing hole 121.

In this example, the number of the wire holes 121 is 3, and the wire holes are used for sequentially passing through the live wire, the neutral wire and the ground wire. The number of the plugs 13 is also 3, and the plugs 13 are in threaded connection with the wire through holes 121. By screwing the plug 13 and the wire through hole 121, the connection reliability of the plug 13 and the wire through hole 121 can be increased.

Compared with the prior art, the communication power supply provided by the embodiment of the utility model has the advantages that the sealing structure 1 is integrally arranged, the sealing assembly 11 is embedded in the sealing groove 411, so that the sealing plate 3 and the lead window are sealed and packaged, and meanwhile, the wire is led out through the wire passing hole in the interface assembly 12. The structure integrates sealing and wire leading-out, and is more beneficial to miniaturization of a communication power supply. At the same time, it further ensures its conductive shielding properties.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. A communication power supply comprises a shell and a power supply board arranged in the shell; the power supply device is characterized in that a power supply cover is arranged in the shell, and a power supply bin is formed between the power supply cover and the shell; the power panel is arranged in the power cabin;

the packaging lead window comprises a mounting hole arranged on the top surface of the power supply cover and an interface window arranged on the side surface; a sealing groove is formed around the mounting hole;

2. The power supply of claim 1, wherein an insulating sheet is further provided between said package lead window and said sealing plate.

3. The communication power supply of claim 1, wherein the sealing assembly comprises an annular sealing rubber ring, the sealing groove is annular, and the annular sealing rubber ring is embedded in the annular sealing groove.

4. The communication power supply of claim 3, wherein the sealing rubber ring comprises an outer sealing ring and an inner conductive ring.

5. The communication power supply of claim 4, further comprising an inner conductive pad within the interface assembly, the inner conductive pad electrically connected to the inner conductive ring.

6. The communication power supply of claim 1, wherein the interface assembly is provided with a plurality of cutting lines for cutting to the wire through holes, and the cutting lines are used for assembling wires into the wire through holes from the cutting lines.

7. The communication power supply of claim 6, wherein the top surface of the interface module is further provided with a plurality of grooves, and the bottom surface of the sealing plate is provided with a plurality of wedges adapted to the grooves; the wedge block is inserted into the groove to press and seal the wire in the wire passing hole.

8. The communication power supply of claim 1, wherein a heat dissipation fan is further disposed in the housing, and the heat dissipation fan is configured to dissipate heat of the power board.

9. The communication power supply of claim 1, wherein the interface assembly further comprises a plurality of pull rods, and the ends of the pull rods are provided with plugs.

10. The communication power supply of claim 9, wherein the plug is provided with external threads, and the wire through hole is internally provided with internal threads, so that the plug can be in threaded connection with the wire through hole.