Two-to-four metal deconcentrator

By designing independently installed fuses and negative electrode copper strip structures, the problem of inconvenient disassembly of PTC and AC splitters is solved, and a compact 2-point 4 metal splitter is realized, which is convenient for the installation and maintenance of fuses.

CN223273673UActive Publication Date: 2025-08-26YUEQING BADA OPTICAL ELECTRICAL TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422496961.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-16
Publication Date
2025-08-26
Estimated Expiration
2034-10-16

AI Technical Summary

Technical Problem

The existing PTC and AC splitters are concentrated inside the PDU, which leads to inconvenient disassembly and large PDUs, affecting the layout of the entire vehicle.

Method used

A 2-point 4 metal wire splitter is designed, using an independently installed fuse and negative electrode copper bar structure, combined with components such as the shell, tail cover, wiring screws and shielding jaws to realize independent installation and sealing connection between the fuse and negative electrode copper bar, and optimize the space layout.

Benefits of technology

It realizes convenient installation and maintenance of fuses, reduces the overall volume, avoids the impact of fuse blowing on the negative electrode copper row, and improves maintenance efficiency.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223273673U_ABST
    Figure CN223273673U_ABST
Patent Text Reader

Abstract

The utility model discloses a four-in-two metal deconcentrator which is more convenient in fuse installation and maintenance and small in size. According to the technical scheme, a shell, a fuse and a one-out-two negative electrode copper bar are arranged in the shell, a two-core tail cover and a four-core tail cover are arranged at the two ends of the shell respectively, and a fuse support and a negative electrode wiring support connected to the bottom of the fuse support are arranged in the shell. Two fuse mounting cavities arranged at intervals are arranged in the middle of the fuse support, wire holders are arranged at the two ends of each fuse mounting cavity, the two fuses are contained in the fuse mounting cavities, the two ends of each fuse are fixed to the wire holders through first wiring screws, and the one-out-of-two cathode copper bar is arranged on the cathode wiring support.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model belongs to the field of new energy vehicles, and in particular relates to a 2-to-4 metal splitter. Background Art

[0002] Currently, PTC (auxiliary heating) and AC (air conditioning) wiring is typically centralized within a PDU (power distribution unit), which is located in the front compartment, making it difficult to remove during circuit maintenance. Furthermore, the traditional PDU's bulkiness hinders overall vehicle layout. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a 2-to-4 metal splitter which is more convenient for installation and maintenance of fuses and has a compact size.

[0004] To solve the above problems, the present invention adopts a technical solution: a shell and a fuse and a 1-out 2-negative copper busbar arranged in the shell, a two-core tail cover and a four-core tail cover are respectively provided at both ends of the shell, and is characterized in that: a fuse holder and a negative terminal wiring holder connected to the bottom of the fuse holder are provided in the shell, two fuse mounting cavities arranged at intervals are provided in the middle of the fuse holder, and terminal blocks are provided at both ends of the fuse mounting cavity, two fuses are accommodated in the fuse mounting cavity, and both ends are fixed to the terminal blocks by first terminal screws, the 1-out 2-negative copper busbar is provided on the negative terminal wiring holder, and both ends are fixed by second terminal screws, and the ends of the fuses corresponding to the two-core tail covers are connected by a connecting bar.

[0005] The 2-to-4 metal splitter is characterized in that the negative pole wiring bracket is engaged with the bottom of the fuse bracket through the flange at the top, and the fuse bracket is fixed to the bottom of the shell through screws at both ends.

[0006] The 2-to-4 metal splitter is characterized in that: the shell is provided with a two-core splitter body on the side corresponding to the two-core tail cover, and is provided with a four-core splitter body on the side corresponding to the four-core tail cover.

[0007] The 2-to-4 metal splitter is characterized in that shielding claws and outer shielding rings sleeved outside the shielding claws are provided at both ends of the shell, and the shielding claws are in contact with the shell.

[0008] The 2-to-4 metal splitter is characterized in that both the first connecting screw and the second connecting screw are provided with connecting noses.

[0009] The 2-to-4 metal splitter is characterized in that a box cover is provided on the shell, a box cover sealing ring is provided at the bottom of the box cover, and the box cover sealing ring is connected to the box cover through a positioning column on the end surface.

[0010] The 2-to-4 metal splitter is characterized in that ear hole plates are provided on both sides of the shell.

[0011] The 2-to-4 metal splitter is characterized in that it also includes two input wires and four output wires. The input wires pass through the two-core tail covers and are respectively connected to the fuse and the 1-outlet 2-negative copper busbar. The output wires pass through the four-core tail covers and are respectively connected to the fuse and the 1-outlet 2-negative copper busbar.

[0012] The 2-to-4 metal splitter is characterized in that a partition is provided between the fuse installation cavities.

[0013] The advantages of the 2-to-4 metal splitter of this utility model are as follows: two fuses are independently installed on the fuse bracket, and then a 1-out-2 negative copper busbar is independently installed on the negative wiring bracket, and the negative wiring bracket is engaged with the bottom of the fuse bracket to realize the upper and lower structural layout. Not only is the overall volume small, but the negative copper busbar and the fuse are installed completely independently. When the fuse blows, it will not affect the negative copper busbar. Only the fuse or the fuse bracket needs to be replaced separately, which makes the installation and maintenance of the fuse more convenient.

[0014] The present invention will be further described below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is an exploded view of the utility model's 2-to-4 metal splitter;

[0016] Figure 2 This is a cross-sectional view of the utility model 2-to-4 metal splitter;

[0017] Figure 3 It is a structural schematic diagram of the fuse bracket of the utility model. DETAILED DESCRIPTION

[0018] Reference Figure 1-Figure 3As shown, the 2-to-4 metal splitter of the present invention includes a shell 1 and a fuse 2 and a 1-out 2 negative copper busbar 3 arranged in the shell 1. The shell 1 is made of aluminum. A two-core tail cover 4 and a four-core tail cover 5 are respectively provided at both ends of the shell 1. A fuse holder 6 and a negative terminal bracket 7 connected to the bottom of the fuse holder 6 are provided in the shell 1. Two fuse installation cavities 8 are arranged at intervals in the middle of the fuse holder 6, and terminal blocks 9 are integrally formed at both ends of the fuse installation cavity 8. The two fuses 2 are accommodated in the fuse installation cavity 8, and the two ends are fixed to the terminal blocks 9 by a first terminal screw 10. The 1-out 2 negative copper busbar 3 is provided on the negative terminal bracket 7 and fixed by a second terminal screw 11 at both ends. The ends of the fuses 2 corresponding to the two-core tail covers 4 are connected by a connecting bar 12 for connecting the two fuses 2 in parallel.

[0019] Preferably, the negative terminal bracket 7 is engaged with the bottom of the fuse bracket 6 through the flange 13 at the top, and the fuse bracket 6 is fixed to the bottom of the housing 1 through screws 14 at both ends. This facilitates the disassembly and assembly of the negative terminal bracket 7 and the fuse bracket 6.

[0020] Preferably, the housing 1 is provided with a two-core splitter 15 on the side corresponding to the two-core tail cover 4, and a four-core splitter 16 on the side corresponding to the four-core tail cover 5. The two-core splitter 15 is used to seal the input wires, and the four-core tail cover 5 is used to seal the output wires.

[0021] Preferably, both ends of the housing 1 are provided with shielding claws 17 and outer shielding rings 18 that are sleeved over the shielding claws 17, and the shielding claws 17 are in contact with the housing 1. During wiring, the shielding claws 17 and outer shielding rings 18 are sleeved over the wires, and then the outer shielding rings 18 are crimped and fixed to achieve shielding of the wires.

[0022] Preferably, the first and second terminal screws 10 and 11 are both provided with terminal lugs 19. When wiring, the terminal lugs 19 are first crimped and fixed to the wires, and then the wires are connected to the first and second terminal screws 10 and 11 through the terminal lugs 19 for easy wiring.

[0023] Preferably, the housing 1 is provided with a lid 20, secured to the housing 1 by screws at both ends. A lid seal 21 is provided at the bottom of the lid 20, sealingly engaging the inner wall of the housing 1. The lid seal 21 is connected to the lid 20 via positioning posts 22 on the end faces. This achieves a sealed connection between the lid 20 and the housing 1. Furthermore, this sealing structure allows the lid 20 and the housing 1 to be made smaller.

[0024] Preferably, ear hole plates 23 are provided on both sides of the housing 1 to facilitate connection with the car.

[0025] Preferably, the device further comprises two input wires 24 and four output wires 25. After passing through the two-core tail cover 4, one of the input wires 24 is connected to the fuse 2, and the other is connected to the 1-outlet, 2-outlet negative copper busbar 3. After passing through the four-core tail cover 5, two of the output wires 25 are connected to the fuse 2, and the other two are connected to the 1-outlet, 2-outlet negative copper busbar 3. The input wires 24 are typically 6 pings, and the output wires 25 are typically 4 pings.

[0026] Preferably, a partition 26 is provided between the fuse installation cavities 8 to ensure that the fuses 2 in the fuse installation cavities 8 do not affect each other.

[0027] The above does not limit the present invention in any form. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technician familiar with this profession can make some changes or modifications to the above-disclosed structures and technical contents without departing from the scope of the technical solution of the present invention. However, any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A 2-to-4 metal splitter, comprising a housing (1), a fuse (2) and a 1-outlet-2 negative copper busbar (3) arranged in the housing (1), a two-core tail cover (4) and a four-core tail cover (5) being respectively provided at both ends of the housing (1), characterized in that: The housing (1) is provided with a fuse holder (6) and a negative terminal bracket (7) connected to the bottom of the fuse holder (6); two spaced-apart fuse mounting cavities (8) are provided in the middle of the fuse holder (6); and terminal blocks (9) are provided at both ends of the fuse mounting cavity (8); two fuses (2) are accommodated in the fuse mounting cavity (8), and both ends are fixed to the terminal blocks (9) by first terminal screws (10); the 1-out 2-negative copper busbar (3) is provided on the negative terminal bracket (7), and both ends are fixed by second terminal screws (11); and the ends of the fuses (2) corresponding to the two-core tail covers (4) are connected by a connecting bar (12).

2. The 2-to-4 metal splitter according to claim 1, characterized in that: The negative electrode wiring bracket (7) is engaged with the bottom of the fuse bracket (6) via a flange (13) at the top, and the fuse bracket (6) is fixed to the bottom of the housing (1) via screws (14) at both ends.

3. The 2-to-4 metal splitter according to claim 1, characterized in that: The housing (1) is provided with a two-core splitting body (15) on the side corresponding to the two-core tail cover (4), and is provided with a four-core splitting body (16) on the side corresponding to the four-core tail cover (5).

4. The 2-to-4 metal splitter according to claim 1, characterized in that: Both ends of the shell (1) are provided with shielding claws (17) and outer shielding rings (18) sleeved outside the shielding claws (17), and the shielding claws (17) are in contact with the shell (1).

5. The 2-to-4 metal splitter according to claim 1, characterized in that: The first connecting screw (10) and the second connecting screw (11) are both provided with connecting lugs (19).

6. The 2-to-4 metal splitter according to claim 1, characterized in that: The housing (1) is provided with a box cover (20), and a box cover sealing ring (21) is provided at the bottom of the box cover (20). The box cover sealing ring (21) is connected to the box cover (20) via a positioning column (22) on the end surface.

7. The 2-to-4 metal splitter according to claim 1, characterized in that: Ear hole plates (23) are provided on both sides of the housing (1).

8. The 2-to-4 metal splitter according to claim 1, characterized in that: It also includes two input wires (24) and four output wires (25), wherein the input wires (24) pass through the two-core tail cover (4) and are respectively connected to the fuse (2) and the 1-outlet 2-negative copper busbar (3), and the output wires (25) pass through the four-core tail cover (5) and are respectively connected to the fuse (2) and the 1-outlet 2-negative copper busbar (3).

9. The 2-to-4 metal splitter according to claim 1, characterized in that: A partition (26) is provided between the fuse installation cavities (8).