Electric connection assembly and electronic equipment

Abstract

The utility model discloses an electric connection assembly and electronic equipment, and relates to the technical field of electronic equipment, and the electric connection assembly comprises a control board; the connecting cable comprises a cable, a conductive shielding layer, an insulating layer and a grounding connecting part, the cable, the conductive shielding layer and the insulating layer are sequentially sleeved from inside to outside, the insulating layer is provided with a grounding gap, the grounding connecting part is arranged in the grounding gap, and the conductive shielding layer is arranged in the grounding gap. The conductive shielding layer is in grounding connection with the control panel through the grounding connection part; according to the technical scheme provided by the utility model, interference current is effectively guided into the ground wire, an external electromagnetic field is prevented from entering the connecting cable, so that internal signals are protected from interference, the internal signals of the connecting cable can be prevented from being radiated to the outside, and interference to surrounding electrical parts is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to electronic equipment technical field, especially relate to a kind of electric connection assembly and electronic equipment. BACKGROUND

[0002] With the development of information technology, the integration of electronic equipment is higher and higher, and the requirement of electromagnetic compatibility is more and more strict. When EMC (Electromagnetic Compatibility) test is carried out, the display screen part of notebook computer or all-in-one machine product often appears radiation exceeding standard or electrostatic discharge abnormal phenomenon, which is usually caused by the interaction of internal and external electromagnetic field and static electricity accumulation. Even if the EDP cable itself is equipped with a shielding layer, the shielding layer cannot effectively discharge the noise in time, which causes the noise generated by EDP high-speed signal to be coupled to unpredictable places, and then causes radiation problem and static abnormality. SUMMARY

[0003] The utility model discloses an electric connection assembly and electronic equipment, which aims to improve shielding effect and reduce radiation interference.

[0004] To achieve the above object, the electric connection assembly provided by the utility model comprises:

[0005] A control board; and

[0006] A connecting cable, which comprises a cable, a conductive shielding layer, an insulating layer and a grounding connecting part, the cable, the conductive shielding layer and the insulating layer are sequentially sleeved from inside to outside, the insulating layer is provided with a grounding gap, the grounding connecting part is arranged in the grounding gap, and the conductive shielding layer is grounded and connected with the control board through the grounding connecting part.

[0007] In an embodiment, the control board has a non-part area, the non-part area is provided with a grounding position, and the grounding connecting part electrically connects the grounding position and the conductive shielding layer.

[0008] In an embodiment, the grounding position is a copper foil arranged on the control board, and the grounding connecting part abuts against the copper foil.

[0009] In an embodiment, the thickness of the grounding connecting part is a, and the gap between the insulating layer and the copper foil is b, wherein 1.5b≤a≤1.7b.

[0010] In an embodiment, the conductive shielding layer is configured as a conductive cloth.

[0011] In an embodiment, the insulating layer is configured as an acetic acid cloth.

[0012] In an embodiment, the grounding connecting part is configured as conductive foam, and the conductive foam protrudes from the grounding notch.

[0013] In an embodiment, the grounding connecting part is bonded to the conductive shielding layer by a conductive adhesive.

[0014] In an embodiment, the control board is provided with a connecting socket, and an end of the connecting cable is provided with a connecting plug, and the connecting socket is plugged with the connecting plug.

[0015] The utility model discloses still provide an electronic equipment, including display screen and with display screen electricity connection's electric connection subassembly, electric connection subassembly is above described electric connection subassembly.

[0016] In the technical scheme of the utility model, the electric connection subassembly includes a control board, the control board is connected with other electronic devices through a connecting cable, the structure of the connecting cable includes a cable, a shielding layer and an insulating layer which are sequentially sleeved from inside to outside, the cable is used for transmitting current or current signal, the conductive shielding layer is coated on the outer layer of the cable to reduce the influence of electromagnetic interference on the internal conductor, and can prevent the signal of the cable from interfering with the outside, the insulating layer is wrapped outside the conductive shielding layer and is used for electrical isolation, can prevent the internal conductive shielding layer from contacting the external conductive material, thereby avoiding short circuit, a grounding notch is arranged on the insulating layer to expose the conductive shielding layer at the grounding notch, and a grounding connecting part is arranged in the grounding notch to ground connect the conductive shielding layer and the control board, so that the conductive shielding layer effectively absorbs and conducts interference signals, and the interference current on the conductive shielding layer is led into the ground wire, which not only prevents the external electromagnetic field from entering the inside of the connecting cable to protect the internal signal from interference, but also prevents the internal signal of the connecting cable from radiating to the outside to reduce the interference on the surrounding electrical parts, and if there are multiple cables, the crosstalk between adjacent signal lines can be reduced to ensure the clarity and reliability of the signal, in addition, the conductive shielding layer is directly grounded connected with the control board through the grounding connecting part, without the need of additional connecting metal or wire, which simplifies the assembly process, solves the problem that there is no metal part around the connecting cable, reduces the number of connecting parts and improves the reliability of the overall connection. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to the structure shown in these drawings without creating labor.

[0018] Figure 1 It is a structural schematic diagram of an embodiment of the electric connection subassembly provided by the utility model.

[0019] Figure 2 The structural schematic view of the control panel is provided in the utility model.

[0020] Figure 3 The structural schematic view of the connecting cable is provided in the utility model.

[0021] Explanation of the reference signs:

[0022] 100, control panel; 101, non-part area; 110, grounding position;

[0023] 200, connecting cable; 210, connecting plug; 220, conductive shielding layer; 230, insulation layer; 240, grounding connecting part;

[0024] 300, connecting socket.

[0025] The implementation, functional features and advantages of the utility model will be further described with reference to the drawings in combination with the embodiments. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0027] It should be noted that if the directionality indication (such as up, down, left, right, front, back, etc.) is involved in the embodiments of the utility model, the directionality indication is only used to explain the relative position relationship, movement condition, etc. between the components in a certain specific posture. If the specific posture changes, the directionality indication also changes accordingly.

[0028] In addition, if the description of "first", "second" and the like is involved in the embodiments of the utility model, the description of "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can be explicitly or implicitly included at least one of the features. In addition, if "and / or" or "and / or" appears throughout the text, it means that the three parallel schemes are included, for example, "A and / or B" includes A scheme, or B scheme, or A and B scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, also not within the protection scope required by the utility model.

[0029] With the development of information technology, the integration of electronic equipment is higher and higher, and the requirement of electromagnetic compatibility is more and more strict, when EMC (Electromagnetic Compatibility) test is carried out, the display screen part of notebook computer or all-in-one machine product often appears the phenomenon of excessive radiation or abnormal electrostatic discharge, which is usually caused by the interaction of internal and external electromagnetic field and static electricity accumulation, even if the EDP cable itself is equipped with a shielding layer, but the shielding layer cannot effectively discharge the noise in time, so that the noise generated by EDP high-speed signal is coupled to unpredictable place, and then the radiation problem and static abnormality are caused, part of the cable selects to add a conductive part such as conductive cloth to lap the metal, but first, the interface may not have a metal part, an additional connection point is needed, which is relatively complex, in addition, after disassembly and reassembly, the original effect cannot be guaranteed, and if the conductive part is lifted at both ends, the connection will be disconnected, resulting in the existence of radiation effect.

[0030] The utility model provides a kind of electric connection assembly and electronic equipment.

[0031] Please refer to Figure 1 And Figure 3 In an embodiment of the utility model, the electric connection assembly comprises:

[0032] Control panel 100;And

[0033] Connecting cable 200, connecting cable 200 includes cable, conductive shielding layer 220, insulating layer 230 and ground connection part 240, cable, conductive shielding layer 220 and insulating layer 230 are successively set from inside to outside, insulating layer 230 is equipped with ground gap, ground connection part 240 is located in ground gap, and conductive shielding layer 220 is grounded by ground connection part 240 and control panel 100.

[0034] The utility model discloses a technical scheme, and the electric connection assembly includes control panel 100, and control panel 100 is connected other electronic devices through a connecting cable 200, and the structure of connecting cable 200 includes cable, conductive shielding layer 220 and insulating layer 230 that are sequentially sleeved from inside to outside, and the cable is used for transmitting current or current signal, and the conductive shielding layer 220 is covered on the outer layer of cable to reduce the influence of electromagnetic interference on internal conductor, and can prevent the signal of cable from interfering with the outside, and the insulating layer 230 is wrapped outside the conductive shielding layer 220 and is used for electrical isolation, and can prevent the internal conductive shielding layer 220 from contacting with external conductive material, thereby avoiding short circuit, and a grounding gap is arranged on the insulating layer 230 to make the internal conductive shielding layer 220 exposed at the grounding gap, and the grounding connecting portion 240 is arranged at the grounding gap and is used for grounding connection between the conductive shielding layer 220 and control panel 100, so that the conductive shielding layer 220 effectively absorbs and conducts interference signal, and the interference current on the conductive shielding layer 220 is led into the ground wire, which prevents the external electromagnetic field from entering the inside of connecting cable 200, thereby protecting the internal signal from interference, and can also prevent the internal signal of connecting cable 200 from radiating to the outside, reduces the interference on the surrounding electrical parts, and if there are multiple connecting cables 200, the crosstalk between adjacent signal lines can be reduced, the clarity and reliability of the signal are ensured, and in addition, the conductive shielding layer 220 is directly grounded connected with control panel 100 through the grounding connecting portion 240, without needing to connect additional metal or wire, simplifying the assembly process, solving the problem that there is no metal part around the connecting cable 200, reducing the number of connecting parts, and improving the reliability of overall connection.

[0035] Among them, control panel 100 is PCB circuit board, including substrate, circuit pattern and solder resist etc., and the circuit pattern forms the pin, connector and other points needing electrical connection on the circuit board, and the solder resist covers the circuit pattern above the place needing welding, to protect the circuit from damage and corrosion, and the cable can adopt copper or aluminum etc. with good conductivity, and can adopt single or multi-stranded twisted wire, for transmitting electric signal.

[0036] In the embodiment of the utility model, please refer to Figure 2 , control panel 100 has non-part area 101, and non-part area 101 is provided with grounding position 110, and the grounding connecting portion 240 is electrically connected with the conductive shielding layer 220 and the grounding position 110, and the control panel 100 includes part area and non-part area 101, and the grounding position 110 is arranged in the non-part area 101, which can ensure that the grounding connecting portion 240 is only connected with the grounding position 110 and does not contact with the nearby signal line or other sensitive elements, thereby preventing short circuit, and the grounding area can be clearly defined, so that the grounding connecting portion 240 has fixed connecting point, improving the reliability and consistency of connection, and in addition, the grounding position 110 in the non-part area 101 is not interfered by other elements, facilitating maintenance and overhaul.

[0037] In the embodiment of the utility model, please refer to Figure 1 And Figure 2 , the ground position 110 is copper foil arranged on the control panel 100, the ground connection part 240 is in contact with the copper foil, the non-part area 101 has a solder resist on the surface, an opening is arranged in the area corresponding to the ground position 110 to expose the copper foil on the control panel 100 as the ground position 110, one end of the ground connection part 240 is connected with the conductive shielding layer 220, and one end is connected with the copper foil, so that the interference current of the conductive shielding layer 220 on the connecting cable 200 is led to the ground wire, electromagnetic interference and radio frequency interference are effectively reduced.

[0038] In the embodiment of the utility model, the thickness of the ground connection part 240 is a, and the gap between the insulating layer 230 and the copper foil is b, wherein 1.5b≤a≤1.7b, the two ends of the ground connection part 240 can pass through the ground gap to connect the conductive shielding layer 220 and pass through the opening to connect the copper foil respectively, good electrical connection and mechanical stability are ensured, sufficient contact pressure between the ground connection part 240 and the copper foil is ensured, and the insulating layer 230 or the copper foil is prevented from being damaged due to excessive pressure.

[0039] In the embodiment of the utility model, the conductive shielding layer 220 is configured as a conductive cloth, the conductive cloth is usually mixed by nylon or polyester fiber and metal fiber (such as nickel, copper, silver and the like), the resistance is low, the conductivity is good, electromagnetic waves can be effectively shielded, electromagnetic interference and radio frequency interference are reduced, the conductive cloth can shield various electromagnetic waves from low frequency to high frequency, is suitable for a wide frequency range, the conductive cloth has good flexibility, is convenient for bending and folding, is convenient for being wrapped on the outer periphery of the cable to effectively shield, in addition, the conductive shielding layer 220 can also be a metal foil such as aluminum foil or a woven mesh such as copper woven mesh and other materials with good conductivity.

[0040] In the embodiment of the utility model, the insulating layer 230 is configured as an acetate cloth, the acetate cloth is a kind of synthetic fiber material, has good electrical insulation, can effectively isolate current, prevent short circuit and electric shock, the acetate cloth also has good mechanical strength, can provide physical protection to internal cable and conductive shielding layer 220, and the acetate cloth has good flexibility, can be bent and folded, is suitable for wrapping the conductive shielding layer 220, the acetate cloth can be bonded with the conductive shielding layer 220 by adhesive tape or glue; in addition, the insulating layer 230 can also use other materials with good insulation performance and mechanical strength, such as polyethylene, polyvinyl chloride or fluoroplastic, as long as it has good electrical insulation.

[0041] In the embodiment of the utility model, please refer to Figure 3The grounding connecting part 240 is configured as conductive foam, the conductive foam protrudes from the grounding notch, the conductive shielding layer 220 in the inside is exposed by setting the grounding notch on the insulating layer 230, the conductive foam is arranged at the grounding notch and is adhesively connected with the conductive shielding layer 220 in the inside, and the other end is higher than the grounding notch, so as to facilitate the contact with the ground position 110, that is, the copper foil through the opening on the control panel 100, so as to guide the interference of the conductive shielding layer 220 to the ground wire, wherein the thickness of the conductive foam is 1.5b <= a <= 1.7b, and since the conductive foam itself has partial elasticity, the contact pressure between the grounding connecting part 240 and the copper foil can be ensured.

[0042] In the embodiment of the utility model, the grounding connecting part 240 is adhesively connected with the conductive shielding layer 220 through a conductive adhesive, specifically, the conductive foam can be adhesively connected on the conductive shielding layer 220 through double-sided conductive adhesive, or the conductive foam can be adhesively connected with the conductive shielding layer 220 through conductive glue, so as to ensure good electrical connection and mechanical strength.

[0043] In the embodiment of the utility model, please refer to Figure 1 The control panel 100 is provided with a connecting socket 300, and the end of the connecting cable 200 is provided with a connecting plug 210, the connecting socket 300 is plugged with the connecting plug 210, please refer to Figure 1 and Figure 2 A connecting socket 300 is fixed on the control panel 100, the connecting socket 300 can be arranged in the part area and close to the non-part area 101, or can be directly arranged in the non-part area 101 to facilitate the connection with the connecting cable 200, the end of the connecting cable 200 is provided with a connecting plug 210 matched with the connecting socket 300, the end of the connecting plug 210 has a plurality of probe contact points, the grounding notch is arranged close to the connecting plug 210, and when the connecting plug 210 is plugged with the connecting socket 300, the grounding notch faces the control panel 100, the grounding connecting part 240 (the conductive foam) corresponds to the position where the control panel 100 is provided with the opening exposing the copper foil, so that the conductive foam abuts against the copper foil, and since the connecting plug 210 is inserted into the connecting socket 300, the abutment between the conductive foam and the copper foil is also stable, so as to ensure that the connection process will not be loose or fall off, and good shielding effect is ensured.

[0044] The utility model also provides an electronic equipment, the electronic equipment includes display screen and electric connection component, the specific structure of electric connection component refers to the above-mentioned embodiment, since the electronic equipment adopts all the technical schemes of the above-mentioned all embodiments, at least has all the beneficial effects brought by the technical scheme of the above-mentioned embodiment, here will not repeat.

[0045] The above merely illustrates the exemplary embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structural transformation or direct / indirect application in other related technical fields under the technical concept of the present application and by using the content of the present application specification and drawings are included in the patent protection scope of the present application.

Claims

1. An electrical connection assembly, characterized by The electric connection assembly comprises: a control board; and a connection cable, the connection cable comprising a cable, a conductive shielding layer, an insulating layer and a grounding connecting part, the cable, the conductive shielding layer and the insulating layer being sequentially sleeved from inside to outside, the insulating layer being provided with a grounding gap, the grounding connecting part being arranged in the grounding gap, and the conductive shielding layer being grounded connected with the control board through the grounding connecting part.

2. An electrical connection assembly as claimed in claim 1, wherein, The control board has a non-part area, the non-part area being provided with a grounding position, and the grounding connecting part electrically connecting the grounding position and the conductive shielding layer.

3. An electrical connection assembly as claimed in claim 2, wherein, The grounding position is a copper foil arranged on the control board, and the grounding connecting part is in abutment with the copper foil.

4. An electrical connection assembly as claimed in claim 3, wherein, The thickness of the grounding connecting part is a, and the gap between the insulating layer and the copper foil is b, wherein 1.5b≤a≤1.7b.

5. The electrical connection assembly of claim 1, wherein, The conductive shielding layer is configured as a conductive cloth.

6. The electrical connection assembly of claim 1, wherein, The insulating layer is configured as an acetic acid cloth.

7. The electrical connection assembly of claim 1, wherein, The grounding connecting part is configured as a conductive foam, and the conductive foam protrudes from the grounding gap.

8. The electrical connection assembly of claim 1, wherein, The grounding connecting part is bonded with the conductive shielding layer through a conductive adhesive.

9. An electrical connection assembly as claimed in any one of claims 1 to 8, wherein, The control board is provided with a connection socket, and the end of the connection cable is provided with a connection plug, the connection socket being plugged with the connection plug.

10. An electronic device, comprising: The display screen is electrically connected with an electric connection assembly, and the electric connection assembly is any one of the electric connection assemblies in claims 1 to 9. The display screen is electrically connected with an electric connection assembly, and the electric connection assembly is any one of the electric connection assemblies in claims 1 to 9.

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