CN114630541A

CN114630541A - Electric connection assembly and notebook computer

Info

Publication number: CN114630541A
Application number: CN202210238299.9A
Authority: CN
Inventors: 樊磊
Original assignee: Guangdong Hongqin Communication Technology Co Ltd
Current assignee: Guangdong Hongqin Communication Technology Co Ltd
Priority date: 2022-03-10
Filing date: 2022-03-10
Publication date: 2022-06-14

Abstract

The invention relates to the technical field of electronics, and discloses an electric connection assembly and a notebook computer. An electrical connection assembly comprising: the device comprises a first FPC provided with a first component, a second FPC provided with a second component and a cable; be equipped with the keysets on the first FPC, the keysets includes first connecting portion and second connecting portion, and first connecting portion are connected with the cable electricity, and the second connecting portion are connected with second FPC electricity. According to the embodiment of the invention, two different FPCs are simultaneously connected with one cable through the design of the adapter plate, and two signal transmission channels are realized by using one cable; compared with the prior art, the embodiment of the invention not only effectively reduces the production cost and reduces the wiring space occupied by the cable due to the reduction of the number of the cables, but also reduces the requirements on the manufacturing process and the assembly capacity of the current FPC manufacturers and cable manufacturers due to the integration of two FPCs with components and parts and one cable.

Description

Electric connection assembly and notebook computer

Technical Field

The invention relates to the technical field of electronics, in particular to an electric connection assembly and a notebook computer.

Background

Under the promotion of strong demands of domestic markets, the whole notebook computer industry in China keeps stable and increases rapidly. With the increase of industrial investment, technical breakthrough and scale accumulation, the development is accelerated.

Along with the continuous promotion of computer performance, notebook computer gradually evolves towards digital consumer products, and except frivolous, the notebook continuously increases various functions of various household electrical appliances, for example, functions such as face identification, speech control, automatically regulated screen brightness, these functions need various components and parts, for example TOF, hall sensor, microphone, pilot lamp, these components and parts are generally designed and installed and are connected with the mainboard cable on FPC and realize the function. However, each existing FPC is separately connected to a main board cable, which is not only high in cost, but also occupies a large wiring space.

Disclosure of Invention

The invention aims to provide an electric connection assembly and a notebook computer, which overcome the defects of high cost and more occupied wiring space in the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme:

an electrical connection assembly comprising: the device comprises a first FPC provided with a first component, a second FPC provided with a second component and a cable;

the first FPC is provided with an adapter plate, the adapter plate comprises a first connecting portion and a second connecting portion, the first connecting portion is electrically connected with the cable, and the second connecting portion is electrically connected with the second FPC.

Optionally, the first component includes an LED, and the second component includes a time-of-flight sensor, a microphone, a hall sensor, and/or a light sensor.

Optionally, a metal layer in a mesh structure is disposed on the back of the first FPC.

Optionally, the back of the second FPC is provided with an integrated back adhesive.

Optionally, the first connection portion includes a first pad, and the first pad is soldered to one end of the cable;

the second connecting part comprises a golden finger, one end of the second FPC is provided with a second bonding pad, and the golden finger is welded with the second bonding pad;

the other end of the cable is provided with a third bonding pad, and the third bonding pad is welded with an electric connector used for connecting a mainboard.

Optionally, the cable includes a wire core, a conductive shielding layer is wrapped around the wire core, and an acetic acid insulation layer is wrapped around the conductive shielding layer;

the electric connector and the second FPC are respectively provided with a copper exposure area, and the conductive shielding layer is connected with the copper exposure area to form a grounding loop.

Optionally, the first FPC and the second FPC are respectively provided with an assembling and positioning structure.

Optionally, a welding alignment structure is formed on the first FPC in the area where the interposer is located.

A notebook computer comprises a first shell and a second shell which are rotationally connected through a rotating shaft, wherein a display unit is assembled in the first shell, and a main board is assembled in the second shell; it is characterized in that the preparation method is characterized in that,

the cable is characterized by further comprising an electric connection assembly, the first FPC and the second FPC are arranged in the first shell, and the cable extends into the second shell from the first shell through the rotating shaft and is electrically connected with the main board.

Optionally, foam is respectively disposed between the first component and the first housing, and between the second component and the first housing.

Compared with the prior art, the embodiment of the invention has the following beneficial effects:

according to the embodiment of the invention, two different FPCs are simultaneously connected with one cable through the design of the adapter plate, and two signal transmission channels are realized by using one cable; compared with the conventional implementation mode that each FPC is independently connected with one cable, the embodiment of the invention not only effectively reduces the production cost and reduces the wiring space occupied by the cables due to the reduction of the number of the cables, but also reduces the requirements on the manufacturing process and the assembly capacity of the current FPC manufacturers and cable manufacturers due to the integration of two FPCs with components and parts and one cable.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a front structural view of an electrical connection assembly according to an embodiment of the present invention;

FIG. 2 is a reverse structural view of an electrical connection assembly provided by an embodiment of the present invention;

fig. 3 is a front structural view of a first FPC provided in an embodiment of the present invention;

fig. 4 is a reverse structural view of a first FPC provided by an embodiment of the present invention;

fig. 5 is a front structure view of a second FPC according to an embodiment of the present invention;

fig. 6 is an opposite side view of a second FPC according to embodiments of the present invention;

[ reference numerals ]

The circuit comprises a first FPC 1, a second FPC2, a cable 3, an adapter plate 11, a first bonding pad 111, a gold finger 112, a metal layer 12, a welding alignment structure 13, an integrated back adhesive 21, a second bonding pad 22, a conductive shielding layer 31, an acetic acid insulation layer 32, a third bonding pad 33 and an electric connector 34.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1 and 2, an embodiment of the invention provides an electrical connection assembly, which includes: a first FPC 1 provided with a first component, a second FPC2 provided with a second component, and a cable 3.

The first FPC 1 is provided with an adapter plate 11, the adapter plate 11 comprises a first connecting portion and a second connecting portion, the first connecting portion is electrically connected with the cable 3, and the second connecting portion is electrically connected with the second FPC 2.

In the embodiment of the invention, two different FPCs are simultaneously connected with one cable 3 through the design of the adapter plate 11, and two signal transmission channels are realized by utilizing one cable 3: a first signal transmission channel composed of the first FPC 1 and the cable 3, and a second signal transmission channel composed of the second FPC2 and the cable 3.

Compared with the conventional implementation mode that each FPC is separately connected with one cable 3, the embodiment of the invention not only effectively reduces the production cost and reduces the wiring space occupied by the cables 3 due to the reduction of the number of the cables 3, but also reduces the requirements on the manufacturing process and the assembly capacity of the current FPC manufacturers and the cable 3 manufacturers due to the integration of two FPCs with components and parts and one cable 3, so that the FPC manufacturers can weld assemblies, the cable 3 manufacturers are prevented from separately opening test equipment, and the production cost is reduced.

The first component and the second component are only used for distinguishing components mounted on different FPCs, and the number and types of the components are not limited. In practical applications, a plurality of components arranged close to each other are usually mounted on the same FPC according to the principle of proximity, and other components arranged close to each other are mounted on another FPC for assembly, so that in this embodiment, the components may be classified as a first component (a component combination mounted on the first FPC 1) or a second component (a component combination mounted on the second FPC 2) according to distribution areas of the components. Illustratively, the first component includes a number of LEDs and the second component includes a time-of-flight sensor, a microphone, a hall sensor, and/or a light sensor.

The cable 3 of the electric connection assembly specifically comprises a wire core, the periphery of the wire core is wrapped with a conductive shielding layer 31, and the periphery of the conductive shielding layer 31 is wrapped with an acetic acid insulation layer 32. The conductive shielding layer 31 may be made of fine-grained conductive cloth, which has excellent anti-interference capability.

One end and the keysets 11 of cable 3 are connected, and the other end is equipped with third pad 33, electric connector 34 and dew copper district, and electric connector 34 welds on third pad 33, and electric connector 34 includes PET substrate and exposed metal PIN, and the one end of sinle silk is passed through third pad 33 and is welded with electric connector 34, and rethread metal PIN is connected to the mainboard, realizes the electric connection of cable 3 and mainboard.

In order to reduce the risk of electromagnetic interference, the conductive shielding layer 31 on the periphery of the wire core is connected with the copper-exposed area to form a grounding loop so as to further enhance the anti-interference performance.

Referring to fig. 3 and fig. 4, a schematic diagram of a front-back structure of the first FPC 1 is shown, one end of the first FPC 1 is provided with LEDs of three color numbers RGB, and the other end is provided with an adapter plate 11. The first connection portion of the connection board 11 in this embodiment specifically includes a first pad 111, and the first pad 111 is used for being soldered to one end of the cable 3; the second connection portion includes a gold finger 112, and the gold finger 112 is soldered to one end of the second FPC 2. Based on this, the LED is connected to the first pad 111 through the internal circuit of the first FPC 1, and is connected to the main board through the cable 3, thereby implementing a signal transmission function between the main board and the LED. Meanwhile, the second FPC2 is connected to the main board through the interposer 11 to form a signal transmission channel.

Of course, in other embodiments, the first connection portion and the second connection portion may be replaced by other various conventional structures capable of achieving the electrical connection function between the cable 3 and the FPC or between the FPC and the FPC.

This first FPC 1, because the material is softer and thin, is torn easily in the assembling process and leads to the dysfunction, consequently this embodiment adds the metal level 12 (like the copper layer) that is network structure at first FPC 1's back, can prevent that first FPC 1 from being damaged in the complete machine assembling process under the prerequisite of guaranteeing good flexibility, effectively improves first FPC 1's reliable performance.

In addition, in order to ensure the welding accuracy of the adapter plate 11 on the first FPC 1 and the second FPC2, a welding alignment structure 13, such as a U-shaped groove, is formed on the first FPC 1 in a location area of the adapter plate 11, and the welding alignment structure can be used as a welding jig for positioning during welding, so that abnormal welding caused by deviation of the FPCs during welding is prevented, and the welding yield of products is improved.

In order to improve the assembly stability of the first FPC 1, an assembly positioning structure, such as a positioning hole, is further disposed on the first FPC 1, the arrangement position of the assembly positioning structure is not limited, and a free area of the end portion can be selected. Through this assembly positioning structure, can assemble the casing at notebook computer with first FPC 1 firmly, prevent that first FPC 1 from taking place the offset in the use.

Referring to fig. 5 and fig. 6, a schematic diagram of a front-back structure of the second FPC2 is shown, one end of the second FPC2 is provided with a plurality of components including a time-of-flight sensor, a microphone, a hall sensor, and a light sensor, and the other end is provided with a second bonding pad 22, and the second bonding pad 22 is welded to the gold finger 112 of the interposer 11. Based on this, the electrical signal of each second component is welded to the gold finger 112 of the adapter board 11 through the second bonding pad 22 via the internal circuit of the second FPC2, and further connected to the motherboard through the cable 3, thereby implementing the signal transmission function between the second component and the motherboard.

Similarly, the second FPC2 is provided with a second copper exposing area at the connection end with the interposer 11, and the conductive shielding layer 31 of the cable 3 is lapped with the second copper exposing area to form a ground loop, so that the risk of electromagnetic interference can be effectively reduced.

In order to improve the assembly stability of the second FPC2, an assembly positioning structure, such as a positioning hole, is also provided on the second FPC2, the arrangement position of the assembly positioning structure is not limited, and a free area at the end portion can be selected. Through this assembly positioning structure, can assemble second FPC2 on the casing of notebook computer firmly, prevent that second FPC2 from taking place the offset in the use.

The back of second FPC2 still is equipped with integral type gum 21, and is different with split type gum, and the integral type gum 21 of this embodiment can effectively save the cost of labor that the equipment of mill torn gummed paper, improves work efficiency.

The embodiment of the invention also provides a notebook computer, which comprises a first shell and a second shell which are rotationally connected through a rotating shaft, wherein a display unit is assembled in the first shell, and a main board is assembled in the second shell; the cable connector further comprises an electric connection assembly, a first FPC 1 and a second FPC2 of the electric connection assembly are arranged in the first shell, and the cable 3 penetrates through the rotating shaft from the first shell to extend into the second shell and is electrically connected with the main board.

Because only one cable 3 is used in the electric connection component to form two signal transmission channels, the number of the cables 3 is reduced, the production cost is reduced, the occupation of the cables 3 on the wiring space of the rotating shaft is reduced, the requirements on the assembly capacity of each manufacturer are reduced, and the assembly complexity is reduced.

In order to further promote the assembly steadiness of electric connection assembly in the casing, be equipped with the bubble cotton respectively between first component and the first casing to and between second component and the first casing, this bubble cotton can form certain extrusion with the casing and interfere, prevents that components and parts from taking place the offset in the user's use.

The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. An electrical connection assembly, comprising: the device comprises a first FPC provided with a first component, a second FPC provided with a second component and a cable;

2. The electrical connection assembly of claim 1, wherein the first component comprises an LED and the second component comprises a time-of-flight sensor, a microphone, a hall sensor, and/or a light sensor.

3. The electrical connection assembly of claim 2, wherein the back side of the first FPC is provided with a metal layer in a mesh structure.

4. The electrical connection assembly of claim 2, wherein the back side of the second FPC is provided with an integral adhesive backing.

5. The electrical connection assembly of claim 1, wherein the first connection portion includes a first pad soldered to an end of the cable;

6. The electrical connection assembly of claim 5, wherein the cable comprises a wire core, wherein the wire core is wrapped with a conductive shielding layer, and the conductive shielding layer is wrapped with an acetic acid insulation layer;

7. The electrical connection assembly of claim 1, wherein the first FPC and the second FPC are each provided with a mounting locating structure thereon.

8. The electrical connection assembly of claim 1, wherein a solder alignment structure is formed on the first FPC in the area where the interposer is located.

9. A notebook computer comprises a first shell and a second shell which are rotationally connected through a rotating shaft, wherein a display unit is assembled in the first shell, and a main board is assembled in the second shell; it is characterized in that the preparation method is characterized in that,

the electrical connection assembly of any one of claims 1 to 8, further comprising the first FPC and the second FPC disposed within the first housing, wherein the cable extends from the first housing into the second housing via the rotation shaft and is electrically connected to the motherboard.

10. The notebook computer of claim 9, wherein foam is disposed between the first component and the first housing, and between the second component and the first housing.