Anti-interference connecting line

Abstract

The utility model discloses an anti-interference connecting line, which comprises a wear-resistant layer, a metal net shielding layer wrapped on the inner side of the wear-resistant layer, a first aluminum foil shielding layer spirally wound on the inner side of the metal net shielding layer, a wrapping layer wrapped on the inner side of the first aluminum foil shielding layer, and two main conductive wires and two groups of signal wires arranged on the inner side of the wrapping layer. According to the anti-interference connecting line provided by the utility model, through the combination of the metal net shielding layer and the first aluminum foil shielding layer, the inhibition capability on low-frequency electromagnetic interference can be further enhanced, through the configuration of the two groups of signal lines, the two groups of signal lines respectively transmit two complementary signals with opposite phases, the phase of one group of signals is positive, and the phase of the other group of signals is negative, so that the anti-interference performance of the anti-interference connecting line is improved. Therefore, common-mode interference is effectively resisted, differential signal transmission is realized, and through the arrangement of the structure, the anti-interference capability of the connecting line can be effectively improved, so that stable transmission of data is realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to connecting line technical field especially relates to a kind of anti-interference connecting line. BACKGROUND

[0002] Connecting line usually refers to the wire or cable used to connect different components in electronic devices, electrical equipment or circuits. The material and type of connecting line vary depending on the specific application and requirements. When electronic devices are in use, data input, output and charging are performed through data connecting lines. Anti-interference connecting line is a specially designed cable designed to reduce the impact of electromagnetic interference (EMI) on data transmission, thereby ensuring signal clarity and stability.

[0003] For example, the anti-interference connecting line with publication number CN212162275U includes a magnetic ring and several wires wound around the magnetic ring. The ends of the wires are provided with first and second terminals respectively. The magnetic ring and the first terminal are both equipped with heat-shrink tubes, and the second terminal is equipped with a protective sleeve. This design can improve the anti-interference performance of the connecting line. However, it also points out the technical deficiency that "during use, the connecting line is easily affected by current and other factors, leading to interference and unstable transmission of the connecting line."

[0004] Based on the above patent search and combined with the existing connecting line in the prior art, it is found that in the actual application of the existing connecting line, the performance of the connecting line is often affected by external factors such as current, causing unstable data transmission. To solve the problems existing in the prior art, the present application proposes an anti-interference connecting line. SUMMARY

[0005] The utility model aims at providing an anti-interference connecting line. The metal mesh shielding layer is used to reflect or absorb interfering electromagnetic waves, effectively reducing electromagnetic interference. The first aluminum foil shielding layer has high electrical conductivity and good magnetic shielding performance, effectively blocking low-frequency magnetic field penetration. The metal mesh shielding layer, combined with the first aluminum foil shielding layer, can further enhance the suppression of low-frequency electromagnetic interference. The grounding plug is used to guide the electromagnetic interference current induced on the metal mesh shielding layer into the ground, avoiding the impact of these interference currents on signal line signal transmission. Two sets of signal lines are configured to transmit two complementary signals with opposite phases. One set of signal has positive phase, and the other set has negative phase, effectively resisting common-mode interference and achieving differential signal transmission. The above structure can effectively improve the anti-interference ability of the connecting line, ensuring stable data transmission and solving the problems mentioned in the background technology.

[0006] To achieve the above purpose, the utility model provides the following technical scheme:

[0007] The anti-interference connecting line comprises an anti-wear layer, the inner side of the anti-wear layer is wrapped with a metal mesh shielding layer, the inner side of the metal mesh shielding layer is spirally wound with a first aluminum foil shielding layer, the inner side of the first aluminum foil shielding layer is wrapped with a wrapping layer, the inner side of the wrapping layer is provided with two main conductive wires and two groups of signal lines, the two ends of the anti-wear layer are fixed with connecting heads, one side of the inside of the connecting head is fixed with two power supply plug-in connectors, the other side of the inside of the connecting head is fixed with two groups of signal plug-in connectors, the inside of the connecting head and between the power supply plug-in connectors and the signal plug-in connectors is fixed with a grounding plug-in connector, the main conductive wires are electrically connected with the power supply plug-in connectors, the signal lines are electrically connected with the signal plug-in connectors, and the metal mesh shielding layer is electrically connected with the grounding plug-in connector.

[0008] As a preferred embodiment of the anti-interference connecting line, the inner side of the wrapping layer is provided with a support frame, the support frame is used for dividing the inner side of the wrapping layer into four cavities, and the two main conductive wires and the signal lines are located at the inner sides of the four cavities respectively.

[0009] As a preferred embodiment of the anti-interference connecting line, the main conductive wire comprises a plurality of copper wire lines, the outer side of the plurality of copper wire lines is wrapped with a first insulating layer, and the two ends of the plurality of copper wire lines are electrically connected with the power supply plug-in connector.

[0010] As a preferred embodiment of the anti-interference connecting line, the signal line comprises a second aluminum foil shielding layer, the inside of the second aluminum foil shielding layer is wrapped with a plurality of signal transmission conductors, the outer side of the signal transmission conductor is wrapped with a second insulating layer, and the two ends of the signal transmission conductor are electrically connected with the signal plug-in connector.

[0011] As a preferred embodiment of the anti-interference connecting line, the metal mesh shielding layer comprises a metal shielding net, the inner side of the metal shielding net is wrapped with a first soft PVC isolation layer, the outer side of the metal shielding net is wrapped with a second soft PVC isolation layer, and the two ends of the metal shielding net are electrically connected with the grounding plug-in connector.

[0012] As a preferred embodiment of the anti-interference connecting line, the inner side of the connecting head is inlaid with a metal shielding cover, and the metal shielding cover is electrically connected with the metal shielding net.

[0013] As a preferred embodiment of the anti-interference connecting line, the anti-wear layer comprises a rubber scratch-proof layer arranged at the outermost layer, and the inside of the rubber scratch-proof layer is wrapped with a silica gel buffer layer.

[0014] As a preferred embodiment of the anti-interference connecting line provided by the utility model, the anti-wear layer has a wrapping body fixed on one side, and the wrapping body has a plurality of magnets embedded in the inside.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] 1、The metal mesh shielding layer is used for reflecting or absorbing interference electromagnetic waves, thereby effectively reducing the interference of electromagnetic waves, the first aluminum foil shielding layer has high electrical conductivity and good magnetic shielding performance, can effectively block the penetration of low-frequency magnetic field, the metal mesh shielding layer can further enhance the suppression ability of low-frequency electromagnetic interference by being combined with the first aluminum foil shielding layer, the electromagnetic interference current induced on the metal mesh shielding layer is introduced into the ground through the grounding plug-in connector, thereby avoiding the influence of the interference current on the transmission of the signal line signal, two groups of signal lines are configured to transmit two complementary signals with opposite phases, one group of signal lines has positive phase, and the other group of signal lines has negative phase, so that common-mode interference is effectively resisted, and differential signal transmission is realized, and the anti-interference ability of the connecting line can be effectively improved through the above structure, thereby realizing stable transmission of data.

[0017] 2、The support frame plays a supporting role inside the connecting line, can effectively support and protect the insulation of the main conducting wire and the signal line inside the connecting line, prevent deformation or damage under the action of external forces such as bending and stretching, and improve the stability of the connecting line in use.

[0018] 3、The inner layer of silica gel buffer layer provides a buffering effect, and the outer layer of rubber scratch-resistant layer provides excellent wear resistance, and under the joint action of the two, the wear resistance of the wire can be significantly improved.

[0019] 4、The magnet is applied to adsorb the wire on the metal shell, so that the connecting line is fixed, and the convenience of the connecting line in use is improved. DRAWINGS

[0020] Figure 1 It is a structure schematic view of the utility model connecting line three-dimensional section;

[0021] Figure 2 It is a structure schematic view of the wrapping layer inside the utility model;

[0022] Figure 3 It is a structure schematic view of the metal mesh shielding layer of the utility model;

[0023] Figure 4 It is a structure schematic view of the anti-wear layer of the utility model;

[0024] Figure 5 It is a structure schematic view of the utility model as a whole;

[0025] Figure 6 It is a structure schematic view of the connecting head of the utility model;

[0026] Figure 7 It is a structure schematic view inside the wrapping body.

[0027] The mark in the figure is explained as follows:

[0028] 1, anti-wear layer; 2, metal mesh shielding layer; 3, first aluminum foil shielding layer; 4, wrapping layer; 5, second aluminum foil shielding layer; 6, support frame; 7, main conductive wire; 8, signal wire; 9, first insulation layer; 10, multiple copper wire; 11, second insulation layer; 12, signal transmission conductor; 13, first soft PVC isolation layer; 14, metal shielding mesh; 15, second soft PVC isolation layer; 16, silica gel buffer layer; 17, rubber scratch-proof layer; 18, connecting head; 19, metal shielding cover; 20, power supply plug; 21, grounding plug; 22, signal plug; 23, wrapping body; 24, magnet. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to 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 other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0030] In the description of the utility model, it needs to be explained that the orientation or position relationship indicated by the terms "upper end", "lower end", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like is the orientation or position relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0031] In the description of the utility model, it needs to be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "sleeved with", "sleeved", "connected" and the like should be understood broadly, for example, "connected" can be fixedly connected, can be detachably connected, or integrally connected; can be mechanically connected, can be electrically connected; can be directly connected, can be indirectly connected through an intermediate medium, and can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0032] Embodiment 1

[0033] Please refer to Figures 1-6 ,

[0034] An anti-interference connecting line, comprising an anti-wear layer 1, the inner side of the anti-wear layer 1 is wrapped with a metal mesh shielding layer 2, through the metal mesh shielding layer 2 for reflecting or absorbing the interference electromagnetic wave, so as to effectively reduce the interference of electromagnetic wave, the inner side of the metal mesh shielding layer 2 is spirally wrapped with a first aluminum foil shielding layer 3, through the first aluminum foil shielding layer 3 arranged in spiral, the tightness of the wire wrapping can be improved, and the influence on the wire anti-bending and bending performance is reduced, the first aluminum foil shielding layer 3 has high electrical conductivity and good magnetic shielding performance, which can effectively block the penetration of low-frequency magnetic field, the metal mesh shielding layer 2 can further enhance the inhibition ability of low-frequency electromagnetic interference by combining with the first aluminum foil shielding layer 3, the inner side of the first aluminum foil shielding layer 3 is wrapped with a wrapping layer 4, the inner side of the wrapping layer 4 is provided with two main conductive wires 7 and two groups of signal lines 8, the two ends of the anti-wear layer 1 are fixed with connecting heads 18, one side of the inside of the connecting head 18 is fixed with two power supply plug-in connectors 20, the other side of the inside of the connecting head 18 is fixed with two groups of signal plug-in connectors 22, the inside of the connecting head 18 and between the power supply plug-in connector 20 and the signal plug-in connector 22 is fixed with a grounding plug-in connector 21, through the grounding plug-in connector 21 for leading the electromagnetic interference current induced on the metal mesh shielding layer 2 to the ground, so as to avoid the influence of these interference currents on the signal transmission of the signal line 8, the main conductive wire 7 is electrically connected with the power supply plug-in connector 20, the signal line 8 is electrically connected with the signal plug-in connector 22, and the metal mesh shielding layer 2 is electrically connected with the grounding plug-in connector 21, specifically, the thickened main conductive wire 7 is used for transmitting power to reduce energy loss, two groups of signal lines 8 are configured to transmit two complementary signals with opposite phases respectively, one group of signal phase is positive and the other group of signal phase is negative, so as to effectively resist common-mode interference and realize differential signal transmission;

[0035] The inner side of the wrapping layer 4 is provided with a support frame 6, the support frame 6 is used to divide the inner side of the wrapping layer 4 into four cavities, the two main conductive wires 7 and the signal lines 8 are located on the inner side of the four cavities respectively, specifically, the support frame 6 plays a supporting role in the connecting line, which can effectively support and protect the insulation of the main conductive wire 7 and the signal line 8 in the connecting line, prevent deformation or damage under the action of external force such as bending and stretching, and improve the stability of the connecting line in use;

[0036] The main conductive wire 7 comprises a plurality of copper wire 10, the outer side of the plurality of copper wire 10 is wrapped with a first insulating layer 9, the two ends of the plurality of copper wire 10 are electrically connected with the power supply plug-in connector 20, the first insulating layer 9 is made of soft PVC material, which provides insulation for the plurality of copper wire 10;

[0037] The signal line 8 comprises a second aluminum foil shielding layer 5, the inside of the second aluminum foil shielding layer 5 is wrapped with a plurality of signal transmission conductors 12, the outside of the signal transmission conductors 12 is wrapped with a second insulating layer 11, both ends of the signal transmission conductors 12 are electrically connected with a signal plug 22, the second insulating layer 11 is made of soft PVC material, and the signal transmission conductors 12 are provided with insulation; and the second aluminum foil shielding layer 5 wrapped outside the signal line 8 can further enhance the anti-interference capability of the signal line 8.

[0038] The metal mesh shielding layer 2 comprises a metal shielding mesh 14, the inside of the metal shielding mesh 14 is wrapped with a first soft PVC isolation layer 13, the outside of the metal shielding mesh 14 is wrapped with a second soft PVC isolation layer 15, both ends of the metal shielding mesh 14 are electrically connected with a grounding plug 21, and the metal shielding mesh 14 is welded in the first soft PVC isolation layer 13 and the second soft PVC isolation layer 15 by heating, so that the metal shielding mesh 14 is isolated from the outside, the metal shielding mesh 14 is prevented from being eroded by the outside environment, the service life is prolonged, and the metal shielding mesh 14 can maintain good electromagnetic shielding performance.

[0039] The inside of the connecting head 18 is inlaid with a metal shielding cover 19, the metal shielding cover 19 is electrically connected with the metal shielding mesh 14, and the metal shielding cover 19 is used for shielding the connecting head 18, so that the stability of the connecting line connection is improved.

[0040] Embodiment 2

[0041] The anti-interference connecting line provided in embodiment 1 is further optimized, and specifically as shown in the drawings, Figures 1-7 the anti-interference connecting line comprises a metal mesh shielding layer 2, a signal line 8 and an anti-wear layer 1.

[0042] The anti-wear layer 1 comprises a rubber scratch-proof layer 17 arranged at the outermost layer, and the inside of the rubber scratch-proof layer 17 is wrapped with a silica gel buffer layer 16; the silica gel buffer layer 16 at the inner layer provides a buffering effect, and the rubber scratch-proof layer 17 at the outer layer has excellent wear resistance; and the two work together to significantly improve the wear resistance of the wire.

[0043] One side of the anti-wear layer 1 is fixedly connected with a wrapping body 23, and the inside of the wrapping body 23 is inlaid with a plurality of magnets 24; the magnets 24 are used for adsorbing the wire on the metal shell, so that the connecting line is fixed, and the convenience of use of the connecting line is improved.

[0044] The use process of the anti-interference connecting line is as follows:

[0045] Technical principles: the metal mesh shielding layer 2 is used for reflecting or absorbing interference electromagnetic waves, thereby effectively reducing the interference of electromagnetic waves, the first aluminum foil shielding layer 3 has high electrical conductivity and good magnetic shielding performance, and can effectively block the penetration of low-frequency magnetic fields; the metal mesh shielding layer 2 can further enhance the suppression ability of low-frequency electromagnetic interference by being combined with the first aluminum foil shielding layer 3; the grounding plug 21 is used for leading the electromagnetic interference current induced on the metal mesh shielding layer 2 to the ground, thereby avoiding the influence of the interference current on the transmission of the signal line 8 signal; two groups of signal lines 8 are configured to transmit two complementary signals with opposite phases, one group of signals has a positive phase, and the other group of signals has a negative phase, thereby effectively resisting common-mode interference and realizing differential signal transmission; the first soft PVC isolation layer 13 and the second soft PVC isolation layer 15 are heated to fuse the metal shielding net 14 in the inside, so that the metal shielding net 14 is isolated from the outside, the metal shielding net 14 is prevented from being eroded by the outside environment, the service life is prolonged, the metal shielding net 14 can maintain good electromagnetic shielding performance, and the above structure can effectively improve the anti-interference ability of the connecting line, thereby realizing stable transmission of data.

[0046] The part not described in the utility model is the prior art.

[0047] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An interference-resistant connecting line, characterized in that The anti-wear layer (1) is wrapped with a metal mesh shielding layer (2), the inner side of the metal mesh shielding layer (2) is spirally wrapped with a first aluminum foil shielding layer (3), the inner side of the first aluminum foil shielding layer (3) is wrapped with a wrapping layer (4), the inner side of the wrapping layer (4) is provided with two main conductive wires (7) and two groups of signal lines (8), Two ends of the anti-wear layer (1) are fixed with connecting heads (18), one side of the inside of the connecting head (18) is fixed with two power supply plug-in heads (20), the other side of the inside of the connecting head (18) is fixed with two groups of signal plug-in heads (22), the inside of the connecting head (18) and between the power supply plug-in head (20) and the signal plug-in head (22) is fixed with a grounding plug-in head (21), the main conductive wire (7) is electrically connected with the power supply plug-in head (20), the signal line (8) is electrically connected with the signal plug-in head (22), and the metal mesh shielding layer (2) is electrically connected with the grounding plug-in head (21).

2. The tamper-resistant connecting line of claim 1, wherein, The inner side of the wrapping layer (4) is provided with a support frame (6), the support frame (6) is used for dividing the inner side of the wrapping layer (4) into four cavities, and the two main conductive wires (7) and the signal lines (8) are respectively located on the inner sides of the four cavities.

3. The tamper-resistant connecting line of claim 1, wherein, The main conductive wire (7) comprises a plurality of copper wire lines (10), the outer side of the plurality of copper wire lines (10) is wrapped with a first insulation layer (9), and two ends of the plurality of copper wire lines (10) are electrically connected with the power supply plug-in head (20).

4. The tamper-resistant connecting line of claim 3, wherein, The signal line (8) comprises a second aluminum foil shielding layer (5), the inside of the second aluminum foil shielding layer (5) is wrapped with a plurality of signal transmission conductors (12), the outer side of the signal transmission conductor (12) is wrapped with a second insulation layer (11), and two ends of the signal transmission conductor (12) are electrically connected with the signal plug-in head (22).

5. The tamper-resistant connecting line of claim 4, wherein, The metal mesh shielding layer (2) comprises a metal shielding net (14), the inner side of the metal shielding net (14) is wrapped with a first soft PVC isolation layer (13), the outer side of the metal shielding net (14) is wrapped with a second soft PVC isolation layer (15), and two ends of the metal shielding net (14) are electrically connected with the grounding plug-in head (21).

6. The tamper-resistant connecting line of claim 1, wherein, The inner side of the connecting head (18) is inlaid with a metal shielding cover (19), and the metal shielding cover (19) is electrically connected with the metal shielding net (14).

7. The tamper-resistant connecting line of claim 1, wherein, The anti-wear layer (1) comprises a rubber scratch-proof layer (17) arranged on the outermost layer, and the inner side of the rubber scratch-proof layer (17) is wrapped with a silica gel buffer layer (16).

8. The tamper-resistant connecting line of claim 7, wherein, One side of the anti-wear layer (1) is fixed with a wrapping body (23), and the inner side of the wrapping body (23) is inlaid with a plurality of magnets (24).

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