CN210123800U - Conductor welding structure and wireless charging equipment comprising same - Google Patents

Abstract

The utility model discloses a conductor welded structure and including this conductor welded structure's wireless battery charging outfit, conductor welded structure includes welding dish and wire, the wire includes conductor and the insulating layer of parcel in the conductor outside, the conductor is including being located insulating intraformational first conductor and exposing out the second conductor outside the insulating layer, the second conductor includes first section wire cluster, second section wire cluster and gluey partition portion, first section wire cluster is located between second section wire cluster and the first conductor, glue partition portion parcel first section wire cluster, second section wire cluster passes through soldering tin welded connection with the welding dish. The utility model discloses a conductor welded structure glues the purpose that the partition reached to prevent the conductor to climb tin when the welding through the setting, has avoided the conductor because of climbing the atress easy-break that tin sclerosis leads to, has also saved the tin cream volume simultaneously.

Description

Conductor welding structure and wireless charging equipment comprising same

Technical Field

The utility model belongs to the technical field of the electronic equipment technique and specifically relates to a conductor welded structure for wireless battery charging outfit is related to.

Background

With the development of electronic products, such as wireless charging devices, toward being small and light, the requirements for accessories of the electronic products are higher and higher, and how to save space as much as possible becomes a target for the design pursuit of the electronic products on the premise of ensuring the performance of the products.

The wireless charging equipment has a multi-conductor welding structure, namely, a lead is connected with the welding pad through welding. However, the solder creep phenomenon occurs at the soldering position, that is, part of solder climbs along the lead wire, so that the solder paste amount between the soldering position of the lead and the pad is insufficient or no solder paste exists, and reliable soldering at the soldering point position cannot be ensured. Meanwhile, the tin-climbing phenomenon causes the tin-climbing part of the lead to be hardened and easily broken under stress, and the welding spot position is easily connected and failed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the serious problem of the tin phenomenon of climbing of current conductor welded structure, provide a conductor welded structure, can control the size and the degree of climbing tin, guarantee welded reliability. Another object of the present invention is to provide a wireless charging apparatus including the conductor welding structure.

In order to achieve the above object, the utility model discloses a conductor welded structure for a wireless battery charging outfit, conductor welded structure includes bonding pad and wire, the wire includes the conductor and wraps up the insulating layer in the conductor outside, the conductor is including being located insulating intraformational first conductor with expose in the second conductor outside the insulating layer, the second conductor includes first section wire cluster, second section wire cluster and glues the partition portion, first section wire cluster is located between second section wire cluster and the first conductor, it wraps up to glue the partition portion first section wire cluster, second section wire cluster with the bonding pad passes through soldering tin welded connection.

In an embodiment of the above-mentioned conductor welded structure, the length of the second segment of the wire harness is at least 2 mm.

In an embodiment of the above-mentioned conductor soldering structure, the offset portion is adjacent to the insulating layer.

In an embodiment of the above-mentioned conductor soldering structure, the glue separation portion is formed by dispensing.

In an embodiment of the above conductor welding structure, the adhesive isolation portion is UV silicone.

In an embodiment of the above conductor welding structure, the adhesive partition is a hot melt adhesive.

The utility model discloses a wireless battery charging outfit includes wireless charging assembly and parcel wireless charging assembly's casing, wireless charging assembly includes conductor welded structure, conductor welded structure is foretell conductor welded structure, the welding dish is located on PCB or FPC.

In an embodiment of the above wireless charging device, the number of the conductor welding structures is multiple.

The beneficial effects of the utility model reside in that, the utility model discloses a conductor welded structure reaches through setting up the gluey partition that has separation soldering tin function and prevents the conductor and climb the too big purpose of tin when the welding, has avoided the conductor to lead to the atress easy-to-break because of climbing tin sclerosis, has also saved the tin cream volume simultaneously.

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments, but the present invention is not limited thereto.

Drawings

Fig. 1 is a schematic perspective view of the wireless charging device of the present invention (a part of the housing is not shown);

fig. 2 is a schematic perspective view of a conductor welding structure according to the present invention;

fig. 3 is an enlarged structural view of a conductor of the conductor welding structure of the present invention.

Wherein the reference numerals

100: wireless charging equipment

110: wireless charging assembly

120: shell body

20: conductor welding structure

300: welding disc

400: conducting wire

410: conductor

412: second conductor

412 a: first section wire cluster

412 b: second section wire cluster

412 c: glue partition part

420: insulating layer

Detailed Description

The following detailed description of the embodiments of the present invention will be provided in conjunction with the accompanying drawings and specific embodiments for further understanding the objects, aspects and functions of the present invention, but not for limiting the scope of the appended claims.

References in the specification to "an embodiment," "another embodiment," "the present embodiment," etc., indicate that the embodiment described may include a particular feature, structure, or characteristic, but every embodiment may not necessarily include the particular feature, structure, or characteristic. Moreover, such phrases are not intended to refer to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is submitted that it is within the knowledge of one skilled in the art to effect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described.

Where certain terms are used in the specification and following claims to refer to particular components or features, those skilled in the art will understand that various terms or numbers may be used by a skilled user or manufacturer to refer to the same component or feature. This specification and the claims that follow do not intend to distinguish between components or features that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. In addition, the term "coupled" is intended to include any direct or indirect coupling.

It should be noted that in the description of the present invention, the orientation or positional relationship indicated by the terms "lateral", "longitudinal", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

As shown in fig. 1 to fig. 3, fig. 1 is the perspective structure schematic diagram of the wireless charging device of the present invention, fig. 2 is an enlarged diagram of the E position of fig. 1, which shows the perspective structure schematic diagram of the conductor welding structure of the present invention, and fig. 3 is an enlarged structure diagram of the conductor welding structure of the present invention.

The utility model discloses a wireless charging device 100 includes wireless charging assembly 110 and casing 120, and casing 120 parcel wireless charging assembly 110. The wireless charging assembly 110 is a working component of the wireless charging device 100, and is charged by using an electromagnetic induction principle, and by arranging a coil at each of the transmitting end and the receiving end, the coil at the transmitting end sends out an electromagnetic signal to the outside under the action of electric power, and the coil at the receiving end receives the electromagnetic signal and converts the electromagnetic signal into electric current, so that the purpose of wireless charging is achieved.

Wherein, wireless subassembly 110 that charges includes a plurality of conductor welded structure 20, as shown in fig. 2 and fig. 3, the utility model discloses a conductor welded structure 20 includes bonding pad 300 and wire 400, and bonding pad 300 sets up on PCB (Flexible Printed Circuit Board) or FPC (Printed Circuit Board).

The wire 400 includes a conductor 410 and an insulation 420, the insulation 420 being wrapped around the conductor 410. The conductors 410 include a first conductor (not shown) disposed in the insulating layer 420 and a second conductor 412 exposed outside the insulating layer 420. I.e., the first conductor is the portion of conductor 410 enclosed within insulating layer 420; the second conductor 412 is a portion of the conductor 410 exposed from the insulating layer 420, and is used for connecting with the bonding pad 300.

The conductor 410 is formed by polymerizing a plurality of conductive lead bodies, that is, the plurality of conductive lead bodies of the conductor 410 exposed to the insulating layer 420 are used for soldering with the soldering land 300 by soldering.

The second conductor 412 includes a first length of wire 412a, a second length of wire 412b, and a glue spacer 412c, the first length of wire 412a being positioned between the second length of wire 412b and the first conductor, i.e., the first length of wire 412a is connected to the first conductor positioned within the insulation 420, and the second length of wire 412b is connected to the first length of wire 412a and becomes an end of the wire 410.

The utility model discloses in, glue partition portion 412c parcel and be full of first section wire cluster 412a, second section wire cluster 412b and welding dish 300 and pass through soldering tin welded connection. Because first section wire cluster 412a is polymerized by many conductor bodies and forms, must have the clearance between each conductor body, the utility model discloses a glue first section wire cluster 412a of partition 412c parcel to be full of the clearance between each conductor body of first section wire cluster 412a, glue partition 412c and have the separation function.

When the second section of the wire cluster 412b is welded with the welding disc 300 through soldering tin, the glue partition part 412c wraps the first section of the wire cluster 412a along the circumferential direction by 360 degrees and permeates into a plurality of wire bodies of the first section of the wire cluster 412a so as to fully block a tin climbing path and avoid tin climbing of the second section of the wire cluster 412b during welding.

The utility model discloses utilize the unable adhesion of soldering tin material to glue the characteristic on the partition portion, through setting up the gluey partition portion that wraps up second section wire cluster, restrict the motion route of soldering tin to block and climbed tin route, realized climbing tin length controllable. Meanwhile, the tin paste amount at the welding position can be stabilized by controlling tin climbing, the welding reliability is ensured, the use amount of the tin paste is reduced, and the cost is saved.

The utility model discloses an in the embodiment, second wire cluster 412b is as welding area, and its length is 2mm at least, guarantees to be able to reliably weld with welded disk 300.

In an embodiment of the present invention, the glue spacer 412c wraps the entire first section of the wire cluster 412a, i.e. in the figure, the glue spacer 412c extends to the left side until it is adjacent to the insulating layer 420, or to say, to the first conductor in the insulating layer 420.

In an embodiment of the present invention, the glue spacer 412c is formed by a glue dispensing process. For example, the utility model discloses on the technology that has already finalized the design originally, increase a bit glue worker station before second wire cluster 412b tin sticky station, point glue becomes glue partition 412c on first wire cluster 412a, and other processing procedure requirements of products such as tin sticky station are unchangeable, convenient and fast.

The adhesive isolation portion 412c is, for example, conventional glue, UV silica gel, or hot melt adhesive, and can achieve the effect of preventing the conductor from tin-climbing during soldering.

It should be noted that the wireless charging assembly 110 of the wireless charging device 100 of the present invention has a plurality of the above-mentioned conductor welding structures 20. Naturally, the present invention can be embodied in many other forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be made by one skilled in the art without departing from the spirit or essential attributes thereof, and it is intended that all such changes and modifications be considered as within the scope of the appended claims.

Claims (8)

1. The utility model provides a conductor welded structure for a wireless charging equipment, conductor welded structure includes welding plate and wire, the wire includes the conductor and wraps up the insulating layer in the conductor outside, the conductor is including being located insulating intraformational first conductor with expose in the second conductor outside the insulating layer, its characterized in that, the second conductor includes first section wire cluster, second section wire cluster and glues the partition portion, first section wire cluster is located between second section wire cluster and the first conductor, it wraps up to glue the partition portion first section wire cluster, second section wire cluster with welding plate passes through soldering tin welded connection.

2. The conductor soldered structure according to claim 1, wherein the second segment of the wire cluster has a length of at least 2 mm.

3. The conductor soldered structure according to claim 1, wherein the offset portion abuts the insulating layer.

4. The conductor soldered structure according to claim 1, wherein the offset portion is formed by dispensing.

5. The conductor soldering structure according to any one of claims 1 to 4, wherein the dam is UV silicone.

6. The conductor soldering structure according to any one of claims 1 to 4, wherein the adhesive spacer is a hot melt adhesive.

7. A wireless charging device comprises a wireless charging assembly and a shell wrapping the wireless charging assembly, wherein the wireless charging assembly comprises a conductor welding structure, the conductor welding structure is as claimed in any one of claims 1 to 6, and the welding disc is arranged on a PCB or an FPC.

8. The wireless charging apparatus of claim 7, wherein the conductor weld structure is plural.

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