Communication cable and electric equipment
By designing a communication cable that includes core wire, inner quilt, aluminum foil shielding layer, copper mesh braided layer and outer quilt, the problem of cable being susceptible to electromagnetic interference is solved, and the stability and normal use of signal transmission are achieved.
Patent Information
- Application Number
- CN202421267280.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-04
- Publication Date
- 2025-03-18
- Estimated Expiration
- 2034-06-04
AI Technical Summary
The cable is susceptible to electromagnetic interference from external signals sent by other devices and cannot be used normally.
A communication cable is designed, including a core wire, an inner cushion, an aluminum foil shielding layer, a copper mesh braided layer and an outer cushion, and the combined structure of these layers is used to block interference from external signals.
It effectively reduces the electromagnetic interference of external signals on the core wire, improves the stability of signal transmission, and ensures the normal use of communication cables.
Smart Images
Figure CN222636886U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of cables, in particular to communication cables and electrical equipment. Background Art
[0002] With the increasing demand for industrial automation, cables have become an indispensable part of modern industrial automation systems. For example, by selecting suitable industrial Ethernet cables, the reliability and high-speed transmission capabilities of the system can be improved, which helps to improve the production efficiency and quality of industrial automation. However, in actual use, cables are easily affected by electromagnetic interference from external signals emitted by other devices and cannot be used normally. Utility Model Content
[0003] The utility model provides a communication cable and an electrical device to solve the technical problem that the cable is easily affected by electromagnetic interference from external signals sent by other devices and cannot be used normally.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a communication cable, comprising: a core wire; an inner sheath, which is sleeved on the outside of the core wire; an aluminum foil shielding layer, which is sleeved on the outside of the inner sheath; a copper mesh braided layer, which is sleeved on the outside of the aluminum foil shielding layer; and an outer sheath, which is sleeved on the outside of the copper mesh braided layer.
[0005] Optionally, the aluminum foil shielding layer is made of aluminum foil and polyester tape.
[0006] Optionally, the inner covering, the aluminum foil shielding layer, the copper mesh braided layer and the outer covering are all cylindrical.
[0007] Optionally, the inner covering, the aluminum foil shielding layer, the copper mesh braided layer and the outer covering are stacked in sequence.
[0008] Optionally, a plurality of core wires are provided, and the plurality of core wires are arranged in sequence around the central axis of the inner sheath.
[0009] Optionally, a plurality of grooves are provided on a side of the inner sheath close to the core wire, the plurality of grooves are arranged at intervals around the central axis of the inner sheath, and the plurality of core wires are arranged one by one in the plurality of grooves.
[0010] Optionally, the inner wall surface of the groove is a curved surface.
[0011] Optionally, a filling line is further included, wherein the filling line is arranged between the plurality of core lines, and the central axis of the filling line is coaxially arranged with the central axis of the inner jacket; the core line abuts against the filling line and the inner jacket.
[0012] Optionally, the outer jacket is made of polyvinyl chloride.
[0013] In addition, an electrical device is provided, comprising the above-mentioned communication cable.
[0014] Compared with the prior art, the utility model has the following beneficial effects: in the embodiment of the utility model, the two ends of the core wire are used to be electrically connected to two electronic devices respectively; the inner blanket is sleeved on the outside of the core wire, and the core wire can be protected by setting the inner blanket, and the outer blanket is sleeved on the outside of the copper mesh braided layer, and the copper mesh braided layer can be protected by setting the outer blanket; the copper mesh braided layer is sleeved on the outside of the aluminum foil shielding layer, and the copper mesh braided layer can protect the aluminum foil shielding layer, and the copper mesh braided layer can block external signals from entering the inner blanket to reduce the degree of electromagnetic interference of external signals on the core wire, and the aluminum foil shielding layer is sleeved on the outside of the inner blanket, and the aluminum foil shielding layer can block external signals from entering the inner blanket to further reduce the degree of electromagnetic interference of external signals on the core wire, thereby improving the stability of signal transmission of the core wire and ensuring the normal use of the communication cable. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0016] Figure 1 A schematic structural diagram of a communication cable provided in an embodiment of the utility model.
[0017] Reference numerals:
[0018] Core wire 100; inner sheath 200; aluminum foil shielding layer 300; copper mesh braided layer 400; outer sheath 500; filling wire 600. DETAILED DESCRIPTION
[0019] In order to explain in detail the possible application scenarios, technical principles, specific schemes that can be implemented, and the purposes and effects that can be achieved, the following is a detailed description of the specific embodiments listed in conjunction with the accompanying drawings. The embodiments described herein are only used to more clearly illustrate the technical solutions of the present application, and are therefore only used as examples, and cannot be used to limit the scope of protection of the present application.
[0020] Reference to "embodiment" herein means that the specific features, structures or characteristics described in conjunction with the embodiment may be included in at least one embodiment of the present application. The term "embodiment" appearing in various places in the specification does not necessarily refer to the same embodiment, nor does it particularly limit its independence or association with other embodiments. In principle, in the present application, as long as there is no technical contradiction or conflict, the various technical features mentioned in the embodiments can be combined in any way to form a corresponding implementable technical solution.
[0021] Unless otherwise defined, the technical terms used in this document have the same meanings as those generally understood by those skilled in the art to which this application belongs; the use of relevant terms in this document is only for describing specific embodiments and is not intended to limit this application.
[0022] In the description of this application, the term "and / or" is an expression used to describe the logical relationship between objects, indicating that three relationships may exist, for example, A and / or B, which means: A exists, B exists, and A and B exist at the same time. In addition, the character " / " in this article generally indicates that the objects before and after are in an "or" logical relationship.
[0023] In the present application, terms such as “first” and “second” are merely used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship of quantity, priority or sequence between these entities or operations.
[0024] Without further limitations, in this application, the words "include", "comprises", "has" or other similar expressions used in the sentences are intended to cover non-exclusive inclusion. These expressions do not exclude the presence of additional elements in the process, method or product including the elements, so that the process, method or product including a series of elements may include not only those limited elements, but also other elements not explicitly listed, or also include elements inherent to such process, method or product.
[0025] Similar to the understanding in the Examination Guidelines, in this application, expressions such as "greater than", "less than", "exceed" and the like are understood to exclude the number itself; expressions such as "above", "below", "within" and the like are understood to include the number itself. In addition, in the description of the embodiments of this application, "multiple" means more than two (including two), and similar expressions related to "multiple" are also understood in this way, such as "multiple groups", "multiple times", etc., unless otherwise clearly and specifically limited.
[0026] In the description of the embodiments of the present application, space-related expressions used, such as "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "vertical", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicate the orientation or position relationship based on the orientation or position relationship shown in the specific embodiments or drawings, and are only for the convenience of describing the specific embodiments of the present application or facilitating the reader's understanding, and do not indicate or imply that the referred device or component must have a specific position, a specific orientation, or be constructed or operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of the present application.
[0027] Unless otherwise expressly specified or limited, in the description of the embodiments of the present application, the terms such as "install", "connect", "connect", "fix", "set", etc. used should be understood in a broad sense. For example, the "connection" can be a fixed connection, a detachable connection, or an integrated setting; it can be a mechanical connection, an electrical connection, or a communication connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. For technicians in the technical field to which the present application belongs, the specific meanings of the above terms in the embodiments of the present application can be understood according to the specific circumstances.
[0028] Reference below Figure 1 A communication cable and an electrical device according to an embodiment of the utility model are described.
[0029] According to the communication cable of the embodiment of the first aspect of the utility model, the communication cable includes a core wire 100, an inner sheath 200, an aluminum foil shielding layer 300, a copper mesh braided layer 400 and an outer sheath 500; the inner sheath 200 is sleeved on the outside of the core wire 100; the aluminum foil shielding layer 300 is sleeved on the outside of the inner sheath 200; the copper mesh braided layer 400 is sleeved on the outside of the aluminum foil shielding layer 300; the outer sheath 500 is sleeved on the outside of the copper mesh braided layer 400.
[0030] In an embodiment of the utility model, the two ends of the core wire 100 are used to be electrically connected to two electronic devices respectively; the inner sheath 200 is sleeved on the outside of the core wire 100, and the core wire 100 can be protected by setting the inner sheath 200; the outer sheath 500 is sleeved on the outside of the copper mesh braided layer 400, and the copper mesh braided layer 400 can be protected by setting the outer sheath 500; the copper mesh braided layer 400 is sleeved on the outside of the aluminum foil shielding layer 300, and the copper mesh braided layer 400 can protect the aluminum foil shielding layer 300. By setting the copper mesh braided layer 400, external signals can be blocked from entering the inner sheath 200 to reduce the degree of electromagnetic interference of external signals on the core wire 100, and the aluminum foil shielding layer 300 is sleeved on the outside of the inner sheath 200. By setting the aluminum foil shielding layer 300, external signals can be blocked from entering the inner sheath 200 to further reduce the degree of electromagnetic interference of external signals on the core wire 100, thereby improving the stability of signal transmission of the core wire 100 and ensuring the normal use of the communication cable.
[0031] Specifically, the copper mesh braided layer 400 is made of copper braiding and is woven into a hollow braided layer structure, so as to improve the softness of the copper mesh braided layer 400 .
[0032] Reference Figure 1 It can be understood that the aluminum foil shielding layer 300 is made of aluminum foil and polyester tape to improve the cohesiveness and adhesion of the aluminum foil shielding layer 300, so that the stability of the connection between the aluminum foil shielding layer 300 and the inner quilt 200 and the copper mesh braided layer 400 is better.
[0033] Specifically, the aluminum foil shielding layer 300 is aluminum foil Mylar.
[0034] Reference Figure 1 It can be understood that, since the core wire 100 is generally a cylinder, the inner sheath 200 , the aluminum foil shielding layer 300 , the copper mesh braided layer 400 and the outer sheath 500 are all cylindrical so as to be able to match the core wire 100 .
[0035] Specifically, the diameter of the inner sheath 200, the diameter of the aluminum foil shielding layer 300, the diameter of the copper mesh braided layer 400 and the diameter of the outer sheath 500 increase successively; the central axis of the inner sheath 200, the central axis of the aluminum foil shielding layer 300, the central axis of the copper mesh braided layer 400 and the central axis of the outer sheath 500 are arranged collinearly.
[0036] Reference Figure 1 It can be understood that the inner sheath 200, the aluminum foil shielding layer 300, the copper mesh braided layer 400 and the outer sheath 500 are stacked in sequence to reduce the gap between the inner sheath 200, the aluminum foil shielding layer 300, the copper mesh braided layer 400 and the outer sheath 500, so that the structure of the communication cable is more compact.
[0037] Specifically, the inner quilt 200 , the aluminum foil shielding layer 300 , the copper mesh braided layer 400 and the outer quilt 500 are stacked in sequence along a direction away from the central axis of the inner quilt 200 , and are abutted in sequence.
[0038] Reference Figure 1 It can be understood that there are multiple core wires 100, and the multiple core wires 100 are arranged in sequence around the central axis of the inner 200.
[0039] The stability of the transmission signal of the communication cable can be improved by providing a plurality of core wires 100 ; specifically, four core wires 100 are provided.
[0040] Reference Figure 1 It can be understood that a plurality of grooves are provided on one side of the inner sheath 200 close to the core wire 100, and the plurality of grooves are arranged at intervals around the central axis of the inner sheath 200, and the plurality of core wires 100 are arranged one by one in the plurality of grooves.
[0041] The position of the core wire 100 can be limited by providing the groove, so as to reduce the degree of movement of the core wire 100 in the inner cable 200 and improve the working stability of the communication cable.
[0042] Specifically, four core wires 100 are provided, and the communication cable is a four-core star-twisted cable. The four core wires 100 are closely arranged together, which can maintain the stability of the communication cable structure and effectively reduce the return loss; wherein, the communication cable is 22AWG, wherein AWG is American wire gauge, i.e. American wire gauge, compared with the traditional 26AWG and 24AWG of ordinary network cables, the communication cable has a larger current carrying capacity, a faster transmission speed, and a longer transmission distance.
[0043] Reference Figure 1 It can be understood that since the outer surface of the core wire 100 is circular and the inner wall surface of the groove is an arc surface, the contact area between the core wire 100 and the inner wall surface of the groove can be increased to reduce the damage caused by the collision between the core wire 100 and the inner quilt 200.
[0044] Reference Figure 1 It can be understood that a filling line 600 is also included. The filling line 600 is arranged between multiple core lines 100, and the central axis of the filling line 600 is coaxially arranged with the central axis of the inner quilt 200; the core line 100 is in contact with the filling line 600 and the inner quilt 200.
[0045] By providing the filling line 600 , the positions between the plurality of core wires 100 can be defined, and the degree to which the core wires 100 approach the central axis of the inner blanket 200 can be reduced, so as to improve the stability of the core wires 100 in the inner blanket 200 .
[0046] Reference Figure 1It can be understood that the outer cover 500 is made of polyvinyl chloride, so as to be resistant to ultraviolet rays, wear, acid and alkali, waterproof and oil, and has high softness, which can meet the use requirements in harsh environments.
[0047] Specifically, the inner cover 200 and the outer cover 500 are both made of polyvinyl chloride.
[0048] refer to Figure 1 According to the electric equipment of the second aspect embodiment of the utility model, the electric equipment includes the communication cable of the first aspect embodiment mentioned above.
[0049] By adopting the communication cable of the first embodiment of the utility model, in the embodiment of the utility model, the two ends of the core wire 100 are used to be electrically connected to two electronic devices respectively; the inner sheath 200 is sleeved on the outside of the core wire 100, and the core wire 100 can be protected by setting the inner sheath 200; the outer sheath 500 is sleeved on the outside of the copper mesh braided layer 400, and the copper mesh braided layer 400 can be protected by setting the outer sheath 500; the copper mesh braided layer 400 is sleeved on the outside of the aluminum foil shielding layer 300, and the copper mesh braided layer 400 can protect The protective aluminum foil shielding layer 300 can block external signals from entering the inner quilt 200 by setting the copper mesh braided layer 400, so as to reduce the degree of electromagnetic interference of external signals on the core wire 100, and the aluminum foil shielding layer 300 is sleeved on the outside of the inner quilt 200. By setting the aluminum foil shielding layer 300, it can block external signals from entering the inner quilt 200, so as to further reduce the degree of electromagnetic interference of external signals on the core wire 100, improve the stability of signal transmission of the core wire 100, and ensure the normal use of the communication cable.
[0050] Finally, it should be noted that although the above embodiments have been described in the specification and drawings of this application, this does not limit the scope of patent protection of this application. All technical solutions generated by replacing or modifying equivalent structures or equivalent processes based on the essential concept of this application using the contents recorded in the specification and drawings of this application, as well as directly or indirectly implementing the technical solutions of the above embodiments in other related technical fields, are included in the scope of patent protection of this application.
Claims
1. Communication cable, characterized in that: include: Core(100); An inner quilt (200) is sleeved on the outer side of the core wire (100); An aluminum foil shielding layer (300) is sleeved on the outer side of the inner quilt (200); A copper mesh braided layer (400) is sleeved on the outside of the aluminum foil shielding layer (300); The outer cover (500) is sleeved on the outer side of the copper mesh braided layer (400).
2. The communication cable according to claim 1, characterized in that: The aluminum foil shielding layer (300) is made of aluminum foil and polyester tape.
3. The communication cable according to claim 1, characterized in that: The inner cover (200), the aluminum foil shielding layer (300), the copper mesh braided layer (400) and the outer cover (500) are all cylindrical.
4. The communication cable according to claim 1, characterized in that: The inner cover (200), the aluminum foil shielding layer (300), the copper mesh braided layer (400), and the outer cover (500) are stacked in sequence.
5. The communication cable according to claim 1, characterized in that: A plurality of core wires (100) are provided, and the plurality of core wires (100) are arranged in sequence around the central axis of the inner quilt (200).
6. The communication cable according to claim 5, characterized in that: A plurality of grooves are arranged on one side of the inner cover (200) close to the core wire (100), the plurality of grooves are arranged in an interval arrangement around the central axis of the inner cover (200), and the plurality of core wires (100) are arranged one by one in the plurality of grooves.
7. The communication cable according to claim 6, characterized in that: The inner wall surface of the groove is a curved surface.
8. The communication cable according to claim 5, characterized in that: It also includes a filling line (600), the filling line (600) being arranged between the plurality of core lines (100), the central axis of the filling line (600) being arranged coaxially with the central axis of the inner quilt (200); the core line (100) abuts against the filling line (600) and the inner quilt (200).
9. The communication cable according to claim 1, characterized in that: The outer jacket (500) is made of polyvinyl chloride.
10. Electrical equipment, characterized in that: include: The communication cable according to any one of claims 1 to 9.