CN220020657U - 8-core MVB bus cable - Google Patents
8-core MVB bus cable Download PDFInfo
- Publication number
- CN220020657U CN220020657U CN202321495017.XU CN202321495017U CN220020657U CN 220020657 U CN220020657 U CN 220020657U CN 202321495017 U CN202321495017 U CN 202321495017U CN 220020657 U CN220020657 U CN 220020657U
- Authority
- CN
- China
- Prior art keywords
- shielding layer
- core
- outer side
- mvb bus
- signal wires
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000004020 conductor Substances 0.000 claims abstract description 21
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 9
- 239000011888 foil Substances 0.000 claims abstract description 9
- 238000012856 packing Methods 0.000 claims abstract description 3
- 239000000463 material Substances 0.000 claims description 11
- 229920000098 polyolefin Polymers 0.000 claims description 6
- 229920003020 cross-linked polyethylene Polymers 0.000 claims description 5
- 239000004703 cross-linked polyethylene Substances 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 238000005187 foaming Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 239000000945 filler Substances 0.000 description 4
- 230000003137 locomotive effect Effects 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009954 braiding Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Landscapes
- Insulated Conductors (AREA)
Abstract
The utility model discloses an 8-core MVB bus cable, which comprises a filling strip, signal wires and control cables, wherein the four signal wires and the four control cables are uniformly distributed on the outer side of the filling strip, and the outer sides of the adjacent signal wires are respectively provided with one control cable; the packing strip, the signal wire and the control cable are coated by an aluminum foil shielding layer, a braided shielding layer is coated on the outer side of the aluminum foil shielding layer, and an outer sheath is arranged on the outer side of the braided shielding layer. According to the utility model, four signal wires and four control cables are arranged, and can be used for transmitting communication signals and low-voltage signals at the same time; the conductors are 19 round conductors, so that the transmission stability of electrical performance is guaranteed, and meanwhile, 19 flexible conductors guarantee the softness of the cable and are convenient to install and use on site.
Description
Technical Field
The utility model relates to the technical field of MVB cables, in particular to an 8-core MVB bus cable.
Background
With the development of railway industry, particularly the development of high-speed rails and subways, the requirements on intellectualization and communication are higher and higher, and the requirements on related cables used as a communication system in a locomotive are also higher and higher.
The MVB cable is a data cable connected to a fixed part in a rolling stock for transmitting a digital signal of 10 MHz; the system is a cable of a communication bus system in a locomotive and is used for controlling, detecting instruments and diagnosing a train communication network. Conventional MVB cables are 4-core or 2+1 structures that cannot be used to transmit both communication signals and low voltage signals, thereby presenting a certain inconvenience to use.
Disclosure of Invention
The utility model aims to provide an 8-core MVB bus cable so as to solve the problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the 8-core MVB bus cable comprises a filling strip, signal wires and control cables, wherein four signal wires and four control cables are respectively arranged, the four signal wires are uniformly distributed on the outer side of the filling strip, and one control cable is respectively arranged on the outer sides of adjacent signal wires; the packing strip, the signal wire and the control cable are coated by an aluminum foil shielding layer, a braided shielding layer is coated on the outer side of the aluminum foil shielding layer, and an outer sheath is arranged on the outer side of the braided shielding layer.
Preferably, the conductors of the signal line and the control cable are each composed of 19 round conductors.
Preferably, a cross-linked foaming polyolefin material layer is arranged on the outer side of the conductor of the signal wire.
Preferably, a crosslinked polyethylene material layer is arranged on the outer side of the conductor of the control cable.
Preferably, the filler strip is a polyolefin filler strip.
Preferably, the braided shielding layer adopts a tinned braided copper wire mesh.
Preferably, the outer sheath is a crosslinked halogen-free material layer.
Compared with the prior art, the utility model has the beneficial effects that:
1. the signal wires and the control cables are all provided with four, and can be used for transmitting communication signals and low-voltage signals at the same time.
2. The conductors are 19 round conductors, so that the transmission stability of electrical performance is guaranteed, and meanwhile, 19 flexible conductors guarantee the softness of the cable and are convenient to install and use on site.
3. The insulation is made of crosslinked foamed polyethylene and crosslinked polyethylene materials, so that the heat resistance of the insulation material is improved while the electrical performance is ensured, and the cable can meet the temperature requirement of the locomotive.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
fig. 1 is a schematic structural view of the present utility model.
In the figure: 1. an outer sheath; 2. braiding a shielding layer; 3. an aluminum foil shielding layer; 4. filling strips; 5. a signal line; 6. and a control cable.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model.
Referring to fig. 1, in the embodiment of the present utility model, an 8-core MVB bus cable includes a filler strip 4, signal lines 5 and control cables 6, wherein the signal lines 5 and the control cables 6 are all provided with four, the four signal lines 5 are uniformly distributed on the outer side of the filler strip 4, and the outer sides of adjacent signal lines 5 are all provided with a control cable 6; the filling strips 4, the signal wires 5 and the control cables 6 are coated by an aluminum foil shielding layer 3, a woven shielding layer 2 is coated on the outer side of the aluminum foil shielding layer 3, and an outer sheath 1 is arranged on the outer side of the woven shielding layer 2; the conductors of the signal wire 5 and the control cable 6 are composed of 19 round conductors; a cross-linked foaming polyolefin material layer is arranged on the outer side of the conductor of the signal wire 5; the outer side of the conductor of the control cable 6 is provided with a crosslinked polyethylene material layer; the filling strips 4 are polyolefin filling strips; the braided shielding layer 2 is made of tin-plated braided copper wire mesh; the outer sheath 1 adopts a cross-linked halogen-free material layer; the signal wires and the control cables are all provided with four, and can be used for transmitting communication signals and low-voltage signals at the same time. The conductors are 19 round conductors, so that the transmission stability of electrical performance is guaranteed, and meanwhile, 19 flexible conductors guarantee the softness of the cable and are convenient to install and use on site. The insulation is made of crosslinked foamed polyethylene and crosslinked polyethylene materials, so that the heat resistance of the insulation material is improved while the electrical performance is ensured, and the cable can meet the temperature requirement of the locomotive.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (7)
1. An 8-core MVB bus cable, characterized in that: the device comprises a filling strip (4), signal wires (5) and control cables (6), wherein the signal wires (5) and the control cables (6) are respectively provided with four, the four signal wires (5) are uniformly distributed on the outer sides of the filling strip (4), and the outer sides of the adjacent signal wires (5) are respectively provided with one control cable (6);
the packing strip (4), the signal wire (5) and the control cable (6) are coated by an aluminum foil shielding layer (3), a braided shielding layer (2) is coated on the outer side of the aluminum foil shielding layer (3), and an outer sheath (1) is arranged on the outer side of the braided shielding layer (2).
2. An 8-core MVB bus cable according to claim 1, wherein: the conductors of the signal wire (5) and the control cable (6) are composed of 19 round conductors.
3. An 8-core MVB bus cable according to claim 1, wherein: and a cross-linked foaming polyolefin material layer is arranged on the outer side of the conductor of the signal wire (5).
4. An 8-core MVB bus cable according to claim 1, wherein: the outer side of the conductor of the control cable (6) is provided with a crosslinked polyethylene material layer.
5. An 8-core MVB bus cable according to claim 1, wherein: the filling strips (4) are polyolefin filling strips (4).
6. An 8-core MVB bus cable according to claim 1, wherein: the braided shielding layer (2) adopts a tinned braided copper wire mesh.
7. An 8-core MVB bus cable according to claim 1, wherein: the outer sheath (1) adopts a cross-linked halogen-free material layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321495017.XU CN220020657U (en) | 2023-06-13 | 2023-06-13 | 8-core MVB bus cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321495017.XU CN220020657U (en) | 2023-06-13 | 2023-06-13 | 8-core MVB bus cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220020657U true CN220020657U (en) | 2023-11-14 |
Family
ID=88673043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321495017.XU Active CN220020657U (en) | 2023-06-13 | 2023-06-13 | 8-core MVB bus cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220020657U (en) |
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2023
- 2023-06-13 CN CN202321495017.XU patent/CN220020657U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |