Vehicle end junction box of light rail vehicle

Abstract

A vehicle end junction box of a light rail vehicle relates to the technical field of light rail vehicles, combines a high pressure box and a low pressure box into a whole to reduce space, and can achieve the purpose of effectively reducing light pollution. In the light rail vehicle end junction box, the box body is made of an aluminum alloy material and the surface is subjected to paint spraying treatment, and the box cover is made of a stainless steel material and the surface is subjected to wire drawing treatment; the box body is divided into two junction box cavities which are separated by a partition plate, and the partition plate is used for achieving an anti-interference effect; meanwhile, the low-voltage connector and the high-voltage connector are connected with wires in a vehicle by using a terminal strip in the box body; wherein the low-voltage low-current terminal row adopts a quick wiring structure, and a lead is directly inserted into a wiring hole after being crimped with a pre-insulated terminal; the low-voltage large-current terminal row and the high-voltage terminal row adopt a stud wiring mode, and the copper pipe terminal is connected to the terminal row through the lead in a pressing mode and is connected to the terminal row through the socket spanner.

Description

Technical Field

[0001] The utility model relates to the technical field of light rail vehicles, in particular to a light rail vehicle terminal junction box. Background Art

[0002] At present, in combination with market demand, customers need a roof junction box that can meet the usage environment in Argentina and combines high and low voltage in the same box.

[0003] Specifically, Argentina has strict requirements on light pollution and limited installation space, and it is necessary to complete the transmission function of high and low voltage lines within the limited operating space. Utility Model Content

[0004] The utility model aims to provide a light rail vehicle terminal junction box, which integrates high and low voltage boxes into one to reduce space and can achieve the purpose of effectively reducing light pollution.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A light rail vehicle terminal junction box comprises: a box body and a box cover connected to the box body; the box body is made of aluminum alloy and the surface is spray-painted, and the box cover is made of stainless steel and the surface is brushed;

[0007] The box is divided into two junction box chambers, and a partition is used in the middle to separate them. The partition is used to achieve anti-interference effect; at the same time, a terminal block is used in the box to realize the connection between the low-voltage connector and the high-voltage connector and the in-vehicle wires;

[0008] Among them, the low-voltage and low-current terminal blocks adopt a quick wiring structure, and the wires are crimped onto the pre-insulated terminals and directly inserted into the wiring holes; the low-voltage and high-current terminal blocks and high-voltage terminal blocks adopt stud wiring, and the wires are crimped onto the copper tube terminals and a socket wrench is used to connect the copper tube terminals to the terminal blocks.

[0009] Specifically, the box cover and the box body are connected by hinges and four-corner locks.

[0010] Furthermore, the box body is connected to the vehicle body using lifting ears and screws.

[0011] Furthermore, the grounding inside the box adopts a grounding bus structure.

[0012] Furthermore, the box cover is provided with a waterproof glue groove, and a sealing glue strip with a thickness of 10 mm is pasted in the waterproof glue groove;

[0013] The box body is provided with a bending structure, and the bending structure is used to prevent water from flowing back into the box body when the box body is forwardly mounted on the roof.

[0014] Furthermore, the partition plate and the box body are connected by welding.

[0015] Compared with the prior art, the light rail vehicle terminal junction box described in the utility model has the following advantages:

[0016] In the light rail vehicle end junction box provided by the utility model, since the box body is made of aluminum alloy and the surface is spray-painted, and the box cover is made of stainless steel and the surface is brushed, it not only effectively reduces the product weight of the junction box, but also effectively avoids the paint reflection phenomenon of the box cover, thereby effectively reducing light pollution through the brushed stainless steel of the box cover; at the same time, the highly integrated setting of the junction box effectively realizes the transmission of high and low voltage signals in a small space. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic diagram of the structure of a light rail vehicle terminal junction box provided by an embodiment of the utility model from a first perspective;

[0018] Figure 2 A second perspective structural diagram of a light rail vehicle terminal junction box provided by an embodiment of the utility model;

[0019] Figure 3 This is a schematic structural diagram of a light rail vehicle end junction box from a third perspective provided by an embodiment of the utility model.

[0020] Reference numerals:

[0021] 1-Box body; 2-Box cover; 3-Low voltage connector; 4-High voltage connector; 5-Low voltage and low current terminal block; 6-Low voltage and high current terminal block; 7-High voltage terminal block; 8-Ground bus; 9-Low voltage wiring harness; 10-High voltage wiring harness; 11-Partition; 12-Low voltage cavity; 13-High voltage cavity. Implementation

[0022] For ease of understanding, the light rail vehicle terminal junction box provided by the embodiment of the utility model is described in detail below in conjunction with the accompanying drawings of the specification.

[0023] The utility model provides a light rail vehicle terminal junction box, such as Figure 1-Figure 3 As shown, it comprises: a box body 1, and a box cover 2 connected to the box body 1; the box body 1 is made of aluminum alloy and the surface is spray-painted, and the box cover 2 is made of stainless steel and the surface is brushed;

[0024] The box body 1 is divided into a low-pressure chamber 12 and a high-pressure chamber 13, and a partition 11 is used to separate the two chambers. The partition 11 is used to achieve an anti-interference effect. At the same time, a terminal block is used in the box body 1 to respectively connect the low-voltage connector 3 and the high-voltage connector 4 with the low-voltage wiring harness 9 and the high-voltage wiring harness 10 in the vehicle.

[0025] Among them, the low-voltage and low-current terminal block 5 adopts a quick wiring structure. After the wire is crimped with the pre-insulated terminal, it can be directly inserted into the wiring hole by hand to achieve quick wiring and connection; the low-voltage and high-current terminal block 6 and the high-voltage terminal block 7 adopt a stud wiring form. The wire is crimped with the copper tube terminal and a socket wrench is used to connect the copper tube terminal to the terminal block to achieve quick wiring and connection.

[0026] Compared with the prior art, the light rail vehicle terminal junction box described in the embodiment of the utility model has the following advantages:

[0027] In the light rail vehicle end junction box provided by the embodiment of the utility model, since the box body is made of aluminum alloy and the surface is spray-painted, and the box cover is made of stainless steel and the surface is brushed, it not only effectively reduces the product weight of the junction box, but also effectively avoids the paint reflection phenomenon of the box cover, thereby effectively reducing light pollution through the brushed stainless steel of the box cover; at the same time, the highly integrated setting of the junction box effectively realizes the transmission of high and low voltage signals in a small space.

[0028] Specifically, Figure 1-Figure 3 As shown, the box cover 2 and the box body 1 can be connected by hinges and four-corner locks.

[0029] Furthermore, if Figure 1-Figure 3 As shown, the box body 1 and the vehicle body can be connected using lifting ears and screws.

[0030] Furthermore, if Figure 1-Figure 3 As shown, the grounding inside the box 1 can adopt a grounding bus 8 structure.

[0031] Furthermore, if Figure 1-Figure 3 As shown, the box cover 2 may be provided with a waterproof glue groove, and a sealing strip with a thickness of 10 mm may be pasted in the waterproof glue groove to ensure a good waterproof effect;

[0032] The box body 1 may be provided with a bending structure, and the bending structure can be used to prevent water from flowing back into the box body 1 when the box body 1 is forwardly mounted on the roof, thereby further effectively improving the waterproof effect.

[0033] Furthermore, if Figure 1-Figure 3 As shown, the partition plate 11 and the box body 1 can be connected by welding.

[0034] In summary, the light rail vehicle terminal junction box provided by the embodiment of the utility model analyzes customer needs and carries out the design work of the junction box from the two aspects of solving light pollution and operating space; at the same time, the reliability design concept is integrated into the design work: on the premise of meeting functional requirements and ensuring performance requirements, the guiding ideology of reliability design is to comprehensively consider the adoption of the latest technology, simplified structural design, optimized process methods, convenient user use, suitable for maintenance, and cost saving.

[0035] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A light rail vehicle terminal junction box, characterized in that: include: A box body, and a box cover connected to the box body; the box body is made of aluminum alloy with a surface spray-painted treatment, and the box cover is made of stainless steel with a surface brushed treatment; The box is divided into two junction box chambers, and a partition is used in the middle to separate them. The partition is used to achieve anti-interference effect; at the same time, a terminal block is used in the box to realize the connection between the low-voltage connector and the high-voltage connector and the in-vehicle wires; Among them, the low-voltage and low-current terminal blocks adopt a quick wiring structure, and the wires are crimped onto the pre-insulated terminals and directly inserted into the wiring holes; the low-voltage and high-current terminal blocks and high-voltage terminal blocks adopt stud wiring, and the wires are crimped onto the copper tube terminals and a socket wrench is used to connect the copper tube terminals to the terminal blocks.

2. The light rail vehicle terminal junction box according to claim 1, characterized in that: The box cover and the box body are connected by hinges and four-corner locks.

3. The light rail vehicle terminal junction box according to claim 1, characterized in that: The box body is connected to the vehicle body by using lifting ears and screws.

4. The light rail vehicle terminal junction box according to claim 1, characterized in that: The grounding inside the box adopts a grounding bus structure.

5. The light rail vehicle terminal junction box according to claim 1, characterized in that: The box cover is provided with a waterproof glue groove, and a sealing strip with a thickness of 10 mm is pasted in the waterproof glue groove; The box body is provided with a bending structure, and the bending structure is used to prevent water from flowing back into the box body when the box body is forwardly mounted on the roof.

6. The light rail vehicle terminal junction box according to claim 1, characterized in that: The partition plate is connected to the box body by welding.

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