Low-attenuation signal transmission wire harness for high-speed communication

Abstract

The utility model relates to the technical field of information transmission, in particular to a low-attenuation signal transmission wire harness for high-speed communication. The cable comprises a terminal, one side of the terminal is provided with a plurality of transmission assemblies, one end of one transmission assembly is connected with a ground wire, the output end of the terminal is connected with the input ends of the transmission assemblies, the terminal comprises a plurality of conductors, a filling layer is arranged among the conductors, the peripheries of the conductors are wrapped with an outer protective layer, and the outer protective layer is connected with the ground wire. A filter layer is arranged between the outer protective layer and the plurality of conductors, the transmission assembly is used for transmitting signals, and electromagnetic field signals of non-transmission frequency are filtered and absorbed through the filter layer; according to the low-attenuation signal transmission harness for high-speed communication, the transmission assembly is used for transmitting signals, electromagnetic field signals of non-transmission frequency are filtered and absorbed through the filter layer, and electromagnetic wave signals such as noise around the conductor are further weakened through the filter.

Description

Technical Field

[0001] The utility model relates to the technical field of information transmission, in particular to a low-attenuation signal transmission harness for high-speed communication. Background Art

[0002] The wiring harness is a wiring component that connects various electrical devices in the circuit. The wiring harness is composed of wiring terminals, wires, etc. When the wiring harness is docked, it is docked by the terminals.

[0003] There are many existing technologies for information transmission harnesses, such as:

[0004] Chinese patent publication number CN219833084U discloses a high-speed transmission harness, which includes a female rubber box, a male rubber box, a plurality of female terminals and a plurality of male terminals for connecting wires, the male rubber box is provided with a matching groove, one end of the plurality of male terminals is arranged in the matching groove, the female rubber box is plugged into the matching groove, a plurality of terminal cavities are provided through the female rubber box, the male terminal and the female terminal are respectively inserted into the terminal cavity from both ends of the terminal cavity, the female terminal is provided with a contact groove, the male terminal is inserted into the contact groove, the female terminal is provided with a contact piece on the inner wall of the contact groove, a contact plane is formed on the contact piece, and the male terminal is in surface contact with the contact plane. The present application has the effect of improving the transmission effect of the harness.

[0005] When existing transmission harnesses transmit signals, the degree of signal attenuation is affected by factors such as noise, transmission medium, and environmental conditions. Noise interference from the external environment or other signal sources will also affect the transmission quality of the signal, resulting in signal attenuation or distortion. In addition, the type of cable, insulation material, and surrounding environmental conditions (such as temperature, humidity, etc.) used in the transmission harness will also affect signal attenuation. For example, a high-speed transmission harness proposed in the above patent does not provide an effective solution to the above-mentioned signal attenuation problem.

[0006] In view of this, we propose a low-attenuation signal transmission harness for high-speed communication, which reduces the impact of external electromagnetic interference such as noise on the signal by setting up filtering layers and filters. Utility Model Content

[0007] The purpose of the utility model is to provide a low-attenuation signal transmission harness for high-speed communication to solve the problems raised in the above-mentioned background technology.

[0008] To achieve the above-mentioned purpose, the utility model provides a low-attenuation signal transmission harness for high-speed communication, including a terminal, a plurality of transmission components are provided on one side of the terminal, one end of one of the transmission components is connected to a ground wire, the terminal output end is connected to the transmission component input end, the terminal includes a plurality of conductors, a filling layer is provided between the plurality of conductors, an outer sheath is wrapped around the outer periphery of the plurality of conductors, a filter layer is provided between the outer sheath and the plurality of conductors, the transmission component is used to transmit signals, and the filter layer filters and absorbs electromagnetic field signals of non-transmission frequencies.

[0009] As a further improvement of the technical solution, the filter layer includes an insulating layer wrapped around the outer surface of the conductor, and a shielding layer is provided between the insulating layer and the outer protective layer.

[0010] As a further improvement of the present technical solution, the shielding layer is made of a woven metal mesh.

[0011] As a further improvement of the technical solution, a filter is provided on the terminal.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] In the low-attenuation signal transmission harness for high-speed communication, a transmission component is provided to transmit signals, and electromagnetic field signals of non-transmission frequencies are filtered and absorbed by a filter layer, and electromagnetic wave signals such as noise around the conductor are further weakened by a filter. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the utility model;

[0015] Figure 2 It is a left view of the overall structure of the embodiment of the utility model;

[0016] Figure 3 It is a cross-sectional view of a transmission component according to an embodiment of the present utility model.

[0017] The meaning of each number in the figure is:

[0018] 10. Terminal; 11. Filter;

[0019] 20. Transmission component; 21. Conductor; 22. Filling layer; 23. Outer sheath; 24. Insulation layer; 25. Shielding layer. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Example

[0022] See also Figure 1-Figure 3 As shown, this embodiment provides a low-attenuation signal transmission harness for high-speed communication, including a terminal 10, a plurality of transmission components 20 are provided on one side of the terminal 10, one end of one of the transmission components 20 is connected to a ground wire, the output end of the terminal 10 is connected to the input end of the transmission component 20, the terminal 10 includes a plurality of conductors 21, a filling layer 22 is provided between the plurality of conductors 21, an outer sheath 23 is wrapped around the outer periphery of the plurality of conductors 21, a filter layer is provided between the outer sheath 23 and the plurality of conductors 21, the transmission component 20 is used to transmit signals, and the electromagnetic field signals of non-transmission frequencies are filtered and absorbed by the filter layer.

[0023] Working principle: When the low-attenuation signal transmission harness for high-speed communication provided by the utility model is used, the transmission component 20 is set to transmit signals, the electromagnetic field signals of non-transmission frequencies are filtered and absorbed by the filter layer, and the electromagnetic wave signals such as noise around the conductor 21 are further weakened by the filter 11.

[0024] In order to filter and absorb electromagnetic field signals of non-transmission frequencies, the filtering layer includes an insulating layer 24 wrapped around the outer surface of the conductor 21, and a shielding layer 25 is provided between the insulating layer 24 and the outer sheath 23; the conductor 21 is made of copper, the insulating layer 24 is made of polytetrafluoroethylene, the outer sheath 23 is made of polyurethane, and the shielding layer 25 is usually made of a conductive material. This shielding layer 25 can guide the external electromagnetic field to the ground, thereby protecting the internal signal from interference.

[0025] Considering the need to protect the signal transmitted inside the conductor 21 from interference, the shielding layer 25 is made of a woven metal mesh; the shielding layer 25 is interwoven with conductive materials (usually metal wires) to form a mesh structure. The shielding layer 25 has good softness and flexibility and is suitable for flexible cables or application scenarios that require flexibility. The woven metal mesh can provide better electromagnetic shielding performance and also has a certain mechanical protection effect.

[0026] In order to filter out noise within a specific frequency range in the conductor 21, a filter 11 is provided on the terminal 10; the filter 11 allows signals within a specific frequency range to pass through through a certain circuit design, while suppressing electromagnetic wave signals such as noise within other frequency ranges.

[0027] The low-attenuation signal transmission harness for high-speed communication provided in the utility model is used to transmit signals through the transmission component 20 provided, and the electromagnetic field signals of non-transmission frequencies are filtered and absorbed by the filter layer. Specifically, the shielding layer 25 is usually made of a conductive material. This shielding layer 25 can guide the external electromagnetic field to the ground, thereby protecting the internal signal from interference. In addition, the shielding layer 25 is interwoven with conductive materials (usually metal wires) to form a mesh structure. This shielding layer 25 has good softness and flexibility, and is suitable for flexible cables or application scenarios requiring flexibility. The woven metal mesh can provide better electromagnetic shielding performance and also has a certain mechanical protection effect; the electromagnetic wave signals such as noise around the conductor 21 are further weakened by the filter 11. Specifically, the filter 11 allows signals within a specific frequency range to pass through through a certain circuit design, while suppressing electromagnetic wave signals such as noise within other frequency ranges.

[0028] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. Low attenuation signal transmission harness for high-speed communication, characterized by: The invention comprises a terminal (10), wherein one side of the terminal (10) is provided with a plurality of transmission components (20), wherein one end of one of the transmission components (20) is connected to a ground wire, and the output end of the terminal (10) is connected to the input end of the transmission component (20), and the terminal (10) comprises a plurality of conductors (21), a filling layer (22) is provided between the plurality of conductors (21), an outer protective layer (23) is wrapped around the outer periphery of the plurality of conductors (21), and a filter layer is provided between the outer protective layer (23) and the plurality of conductors (21), and the transmission component (20) is used for transmitting signals, and the filter layer filters and absorbs electromagnetic field signals of non-transmission frequencies.

2. The low attenuation signal transmission harness for high-speed communication according to claim 1, characterized in that: The filter layer comprises an insulating layer (24) wrapped around the outer surface of the conductor (21), and a shielding layer (25) is provided between the insulating layer (24) and the outer protective layer (23).

3. The low attenuation signal transmission harness for high-speed communication according to claim 2, characterized in that: The shielding layer (25) is made of a braided metal mesh.

4. The low attenuation signal transmission harness for high-speed communication according to claim 1, characterized in that: A filter (11) is provided on the terminal (10).

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