CN211720206U - High-voltage wiring structure of railway vehicle - Google Patents
High-voltage wiring structure of railway vehicle Download PDFInfo
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- CN211720206U CN211720206U CN202020200143.8U CN202020200143U CN211720206U CN 211720206 U CN211720206 U CN 211720206U CN 202020200143 U CN202020200143 U CN 202020200143U CN 211720206 U CN211720206 U CN 211720206U
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Abstract
The utility model discloses a high-voltage wiring structure of a railway vehicle, which is characterized in that a groove is arranged into a slope structure, thereby being beneficial to the running of rain and snow, preventing the accumulation of rain and snow and icing and reducing the load on the roof; the insulator is arranged on the groove with the slope, so that the electric clearance and the creepage distance of the insulator are reduced, the possibility that a high-voltage cable arranged on the insulator abnormally discharges a vehicle body is reduced, and the electrochemical corrosion is avoided; the through holes are formed in the side faces of the grooves, so that rain and snow are prevented from flowing into a passenger room; the roof wiring of the high-voltage cable is changed into the car body type cavity wiring in the passenger room, and no interface exists between the roof wiring and a car body and other parts, so that roof equipment is avoided, the installation of the high-voltage cable is simplified, the roof is beautified, the high-voltage cable is prevented from being affected by ultraviolet irradiation and various severe weathers, the protection on the high-voltage cable is enhanced, and the insulativity and the service life of the high-voltage cable are ensured.
Description
Technical Field
The utility model belongs to the technical field of the rail transit, especially, relate to a rail vehicle's high-pressure wiring structure.
Background
In the field of rail transit, high-voltage cables are exposed in rain and snow due to the fact that the high-voltage cables are arranged on the car roof and irradiated by ultraviolet rays for a long time, and are easy to age, break and abrade. When a high-voltage cable is subjected to jumper connection through a jumper connection cable (or a transfer cable), due to the requirement of creepage distance, an insulator with enough height needs to be installed, and the high requirement is provided for the limit of a double-layer vehicle, a meter-gauge vehicle (a train with the gauge of 1 meter) and other vehicle types. If at jump joint insulator installation department, design for groove structure, then the easy problem that takes place sleet and pile up influences the electric clearance and the creepage distance of insulator, leads to the automobile body electrified, takes place electrochemical corrosion, influences whole car life-span. Particularly, the rail vehicle can rapidly move to different regions in a short time, and the temperature, humidity, sunlight, rain and snow weather of the different regions are different, so that higher requirements are provided for roof protection. Meanwhile, the high-voltage cable has strong electromagnetic radiation, and is easy to interfere with components such as a signal system and the like, so that the driving safety is influenced.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides a rail vehicle's high-voltage wiring structure to solve high tension cable and expose the insulating ageing problem that leads to at the roof, and the sleet that groove structure leads to piles up the problem.
The utility model discloses a solve above-mentioned technical problem through following technical scheme: a high-voltage wiring structure of a railway vehicle, comprising: high tension cable and respectively with insulator and jumper connection cable connection's high tension cable terminal, characterized by still includes:
the car body cavity is arranged at the top of a passenger room of each carriage;
the insulator is fixedly connected with the inner bottom surface of the groove, the high-voltage cable is arranged in the vehicle body cavity, and two ends of the high-voltage cable respectively penetrate through holes in the side surfaces of the grooves in the two ends of the vehicle roof to be connected with the high-voltage cable terminal.
The high-voltage wiring structure of the utility model has the advantages that the insulator is arranged on the inner bottom surface of the groove, so that the insulator is partially hidden in the groove, the electric clearance and the creepage distance of the insulator are reduced, the possibility of abnormal discharge of a high-voltage cable arranged on the insulator to a vehicle body is reduced, the electrochemical corrosion is avoided, and the service life of the whole vehicle is prolonged; the through holes are formed in the side faces of the grooves, so that rain and snow are prevented from flowing into a passenger room; meanwhile, the roof wiring of the high-voltage cable is changed into the car body type cavity wiring in the passenger room, and no interface exists between the roof wiring and the car body and other parts, so that roof equipment is avoided, the installation of the high-voltage cable is simplified, the roof is beautified, the high-voltage cable is prevented from being affected by ultraviolet irradiation and various bad weather, the protection on the high-voltage cable is enhanced, the insulativity and the service life of the high-voltage cable are ensured, the electrochemical corrosion of the car body due to the damage and electrification of the high-voltage cable is prevented, and the service life of the whole car is further prolonged; the wiring is carried out through the cavity of the vehicle body, so that the electromagnetic protection is facilitated, and the electromagnetic interference of the high-voltage cable to other systems on the vehicle is reduced.
Furthermore, the groove is a groove with a slope, and the groove is arranged to be of a slope type structure, so that rain and snow can flow away conveniently, rain and snow can be prevented from being accumulated and frozen, and the load on the roof of the vehicle can be reduced.
Further, the high-voltage cable in each carriage passenger room is fixed through a fastening assembly, and the fastening assembly comprises a wire clamp, a mounting plate and a C-shaped groove; the C-shaped groove is arranged on the top wall of the passenger room corresponding to the high-voltage cable, the mounting plate is arranged on the C-shaped groove through screws, and the wire clamp is arranged on the mounting plate through screws.
The high-voltage cable is fixed, so that damage caused by random moving and friction of the high-voltage cable is avoided, and meanwhile, the layout of the high-voltage cable is beautified.
Furthermore, the high-voltage cables in the passenger rooms of each carriage are wrapped by zipper type shielding sleeves, so that the electromagnetic radiation of the high-voltage cables to the outside is reduced, and the electromagnetic interference of the high-voltage cables to other systems on the vehicle is further reduced.
Furthermore, the small holes are uniformly distributed in the cavity of the vehicle body, so that the problem that the cable is overheated to cause fire disasters is solved on the premise of ensuring electromagnetic shielding.
Further, a sealing member is installed at the through hole, thereby further preventing the inflow of rain and snow.
Advantageous effects
Compared with the prior art, the groove is set to be of a slope type structure, so that rain and snow can flow away, rain and snow can be prevented from being accumulated and frozen, and the load on the roof can be reduced; the insulator is arranged on the groove with the slope, so that the electrical clearance and the creepage distance of the insulator are reduced, the possibility that a high-voltage cable arranged on the insulator abnormally discharges a vehicle body is reduced, the electrochemical corrosion is avoided, and the service life of the whole vehicle is prolonged; the through holes are formed in the side faces of the grooves, so that rain and snow are prevented from flowing into a passenger room; meanwhile, the roof wiring of the high-voltage cable is changed into the car body type cavity wiring in the passenger room, and no interface exists between the roof wiring and the car body and other parts, so that roof equipment is avoided, the installation of the high-voltage cable is simplified, the roof is beautified, the high-voltage cable is prevented from being affected by ultraviolet irradiation and various bad weather, the protection on the high-voltage cable is enhanced, the insulativity and the service life of the high-voltage cable are ensured, the electrochemical corrosion of the car body due to the damage and electrification of the high-voltage cable is prevented, and the service life of the whole car is further prolonged; the wiring is carried out through the cavity of the vehicle body, so that the electromagnetic protection is facilitated, and the electromagnetic interference of the high-voltage cable to other systems on the vehicle is reduced.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only one embodiment of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic view of an outer part of a high-voltage wiring vehicle in an embodiment of the present invention;
fig. 2 is a partial enlarged view of an outer portion of the high-voltage wiring cart according to an embodiment of the present invention;
fig. 3 is a schematic view of the interior of a high voltage wiring passenger compartment in an embodiment of the invention;
FIG. 4 is a partial enlarged view of the interior of the high voltage wiring passenger compartment according to an embodiment of the present invention;
fig. 5 is a sectional view taken along line a-a of fig. 3 according to an embodiment of the present invention;
the cable-laying device comprises a vehicle body, a vehicle body cavity, a vehicle body cavity, a vehicle body and a vehicle body, wherein the vehicle body is arranged in the vehicle body, the vehicle body is arranged.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1 and 2, the utility model provides a rail vehicle's high-pressure wiring structure, include: the car body structure comprises grooves 2 with slopes 3 formed in two ends of the roof 1 of each section of car, through holes 9 formed in the side faces of each groove 2, and a car body cavity 11 formed in the top of a passenger room of each section of car.
The insulator 4 is fixedly connected with the inner bottom surface of the groove 2, the high-voltage cable 6 is arranged in a vehicle body cavity 11, two ends of the high-voltage cable 6 respectively penetrate through holes 9 on the side surfaces of the grooves 2 at two ends of the vehicle roof 1 to be connected with the high-voltage cable terminal 5, and the high-voltage cable terminal 5 is respectively connected with the insulator 4 and the jumper cable 7.
Each carriage corresponds to a section of high-voltage cable 6, the high-voltage cables 6 between the carriages are connected through jumper cables 7 (or called transfer cables), as shown in fig. 1 and 2, two ends of each carriage high-voltage cable 6 are respectively connected with high-voltage cable terminals 5 at two ends of a car roof 1, the high-voltage cable terminals 5 are respectively connected with insulators 4 and one ends of the jumper cables 7, the other ends of the jumper cables 7 are connected with the insulators and the high-voltage cable terminals on the adjacent carriages, and the like, so that the connection of the high-voltage cables on the whole railway vehicle is realized. The insulator 4 is used to support the pantograph, jumper cable 7 and high voltage cable terminal 5.
The groove 2 is of a slope type structure (the slope 3 is located on one side, close to the vehicle body, of the groove), the insulator 4 is arranged on the inner bottom surface of the groove 2, the mounting height of the insulator 4 is reduced, the requirement that the insulator with enough height needs to be mounted can be met, the problem that the limitation requirements of vehicle types such as double-deck vehicles and meter-gauge vehicles are high is solved, the insulator 4 is partially hidden in the groove 2, and the vehicle roof is beautified. The slope type groove accords with aerodynamic performance, is favorable for air flow to blow the umbrella skirt of the insulator 4, is convenient for rain and snow to flow away, prevents rain and snow from being accumulated on the insulator to be frozen, avoids the influence on the electrical clearance and the creepage distance of the insulator, reduces the possibility that a high-voltage cable arranged on the insulator abnormally discharges a vehicle body, avoids the occurrence of electrochemical corrosion, and prolongs the service life of the whole vehicle. The slope type groove is also beneficial to the running of rain and snow on the car roof, and the load on the car roof is reduced.
The through holes 9 for communicating the roof 1 with the passenger compartment can be arranged on the sides of the recess 2 or on the ramp 3, in which case the through holes 9 are arranged on the sides, the vertical sides prevent rain and snow from flowing into the passenger compartment, and in order to further prevent rain and snow from flowing into the passenger compartment, a seal can be arranged at the through holes 9.
As shown in fig. 3-5, the utility model changes the wiring mode of the high-voltage cable 6 on the roof 1 into the wiring mode of the body cavity 11 in the passenger room, thereby avoiding the high-voltage cable from being affected by ultraviolet irradiation and various bad weather, strengthening the protection of the high-voltage cable, ensuring the insulation and the service life of the high-voltage cable, and preventing the body from electrochemical corrosion caused by the damage and electrification of the high-voltage cable; the wiring of the car body cavity 11 can reduce the electromagnetic interference of the high-voltage cable to other systems in the passenger room, and meanwhile, the wiring of the high-voltage cable is simplified and beautified. In order to further reduce the electromagnetic radiation of the high voltage cable 6, a zipper type shielding sleeve is sleeved outside the high voltage cable 6. In order to avoid damage caused by moving friction of the high-voltage cable 6, the high-voltage cable 6 is fixed through a fastening assembly 10, wherein the fastening assembly 10 comprises a wire clamp 101, a mounting plate 102 and a C-shaped groove 103; the C-shaped groove 103 is installed on the top wall of the passenger room corresponding to the high-voltage cable 6, the installation plate 102 is installed on the C-shaped groove 103 through screws, and the wire clamp 101 is installed on the installation plate 102 through screws. In order to avoid fire caused by overheating of the high-voltage cable 6 in the vehicle body cavity 11, the vehicle body cavity 11 is provided with uniformly distributed small holes under the condition of ensuring electromagnetic shielding, so that heat dissipation is facilitated.
The above disclosure is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or modifications within the technical scope of the present invention, and all should be covered by the scope of the present invention.
Claims (6)
1. A high-voltage wiring structure of a railway vehicle, comprising: high tension cable (6) and respectively with insulator (4) and jumper cable (7) high tension cable terminal (5) be connected, its characterized in that still includes:
the device comprises grooves (2) arranged at two ends of the roof (1) of each carriage, through holes (9) arranged on the side surfaces of each groove (2), and a carriage body cavity (11) arranged at the top in a passenger room of each carriage;
the insulator (4) is fixedly connected with the inner bottom surface of the groove (2), the high-voltage cable (6) is arranged in the vehicle body cavity (11), and two ends of the high-voltage cable (6) penetrate through holes (9) in the side surfaces of the grooves (2) at two ends of the vehicle roof (1) respectively and are connected with the high-voltage cable terminal (5).
2. The high voltage wiring structure according to claim 1, wherein: the groove (2) is provided with a slope (3).
3. The high voltage wiring structure according to claim 1 or 2, wherein: the high-voltage cable (6) in each passenger compartment of the carriage is fixed through a fastening assembly (10), and the fastening assembly (10) comprises a wire clamp (101), a mounting plate (102) and a C-shaped groove (103); the C-shaped groove (103) is arranged on the top wall of the passenger room corresponding to the high-voltage cable (6), the mounting plate (102) is arranged on the C-shaped groove (103) through screws, and the wire clamp (101) is arranged on the mounting plate (102) through screws.
4. The high voltage wiring structure according to claim 1 or 2, wherein: the high-voltage cable (6) in each carriage passenger room is wrapped by a zipper type shielding sleeve.
5. The high voltage wiring structure according to claim 1 or 2, wherein: small holes are uniformly distributed on the car body cavity (11).
6. The high voltage wiring structure according to claim 1 or 2, wherein: a sealing member is mounted at the through hole (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020200143.8U CN211720206U (en) | 2020-02-24 | 2020-02-24 | High-voltage wiring structure of railway vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020200143.8U CN211720206U (en) | 2020-02-24 | 2020-02-24 | High-voltage wiring structure of railway vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211720206U true CN211720206U (en) | 2020-10-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020200143.8U Active CN211720206U (en) | 2020-02-24 | 2020-02-24 | High-voltage wiring structure of railway vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211720206U (en) |
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2020
- 2020-02-24 CN CN202020200143.8U patent/CN211720206U/en active Active
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