CN112752450A

CN112752450A - Automobile PCB electrical box

Info

Publication number: CN112752450A
Application number: CN202110163092.5A
Authority: CN
Inventors: 郑阿东; 贾锋涛; 王存峰; 王大丽; 樊启蒙
Original assignee: Chery Automobile Co Ltd
Current assignee: Chery Automobile Co Ltd
Priority date: 2021-02-05
Filing date: 2021-02-05
Publication date: 2021-05-04

Abstract

The invention provides an automobile PCB (printed circuit board) electric appliance box, which comprises an upper board body and a lower board body, wherein a component socket is reserved, a fuse structure is integrated, a PCB is clamped between the upper board body and the lower board body, and the PCB, the upper board body and the lower board body are electrically connected; the PCB is provided with two blocks which are positioned on the same plane and arranged at intervals. The plugboard area is great when reducing planar space's occupation through the plugboard of multilayer arrangement in the above-mentioned scheme, is convenient for arrange more plugboards circuit and arrangement fuse to integrated power fuse box, the integrated level is higher, and the volume is less, and is less to the occupation of car inner space.

Description

Automobile PCB electrical box

Technical Field

The invention relates to the field of automobile electrical systems, in particular to an automobile PCB electrical box.

Background

Along with the development of the automobile industry, the functions of electric appliances on an automobile are more and more abundant, electric equipment on the automobile is more and more, the power consumption is more and more, the quantity of required relays and fuses is more and more, and the automobile electric appliance box is mainly used for the distribution of an automobile power supply, provides the fuses and the relays for a load loop of the whole automobile and centrally manages the fuses and the relays. The electric appliance box for the automobile has two structures, namely an electric appliance box with a hard wire structure and an electric appliance box with a PCB structure.

The hard-wire type electric appliance box in the prior art is also called a direct-insertion type electric appliance box, has large volume, is connected through a wire harness terminal, and has poor reliability; the existing PCB structure electric appliance box is composed of a PCB (30) and an electric plug board, and the components of the electric appliance box are low in integration level, high in cost and large in size, and occupy the plane space in a vehicle greatly.

Disclosure of Invention

The invention aims to provide an automobile PCB electrical box which is small in size and high in integration level.

In order to achieve the purpose, the invention adopts the following technical scheme: an automobile PCB electrical box comprises an upper plate body and a lower plate body, wherein a component socket is reserved, a fuse structure is integrated, a PCB is clamped between the upper plate body and the lower plate body, and the PCB, the upper plate body and the lower plate body are electrically connected; the PCB is provided with two blocks which are positioned on the same plane and arranged at intervals.

The plugboard area is great when reducing planar space's occupation through the plugboard of multilayer arrangement in the above-mentioned scheme, is convenient for arrange more plugboards circuit and arrangement fuse to integrated power fuse box, the integrated level is higher, and the volume is less, and is less to the occupation of car inner space.

Drawings

FIG. 1 is an exploded view of the present invention;

FIG. 2 is a schematic perspective view of the present invention;

FIG. 3 is a bottom view of the present invention;

fig. 4 is a schematic structural view of the electrical box cover of the present invention;

FIGS. 5 and 6 are schematic diagrams of PCB structure;

Detailed Description

An automobile PCB electrical box comprises an upper plate body 10 and a lower plate body 20, wherein a component socket is reserved, a fuse structure is integrated, a PCB 30 is clamped between the upper plate body 10 and the lower plate body 20, and the PCB 30, the upper plate body 10 and the lower plate body 20 are electrically connected; the PCB board 30 is provided with two pieces and is located on the same plane and spaced apart.

The plugboard area is great when reducing the occupation of plane space through the plugboard that the multilayer was arranged among the above-mentioned scheme to integrated power fuse box need not additionally to arrange fuse box near the car internal power, has reduced the quantity of car internal electrical apparatus box, because the electric circuit that two plugboards correspond is different, consequently sets up two PCB boards 30 and corresponds different plate bodies respectively, avoids the wiring to interfere. The PCB 30 is two single-board double-layer small boards.

The upper surface of the upper board body 10 is provided with a MINI fuse holder 11 and an MCASE + fuse structure 12, and a wire holder is arranged near the periphery of the fuse. The upper plate 10 substantially replaces the original fuse box, and the fuse is routed nearby, directly output to the load, and directly connected with the connector. Preferably 44 MINI fuse holder 11 configurations and 9 MCASE + fuse configurations 12. One end of the MINI fuse terminal is welded on the PCB 30, and the other end of the MINI fuse terminal is directly connected with the plug-in connector, so that the number of the terminals is reduced, the area of the PCB 30 is effectively utilized, and the area of the PCB 30 is reduced.

The upper surface of the upper plate body 10 is provided with a spare MINI fuse structure 13. Preferably 4 MINI fuse structures 13, so that the replacement of the entire upper plate body 10 can be avoided using the spare MINI fuse structure 13 when the MINI fuse holder 11 is damaged.

And the MINI fuse seat 11, the spare MINI fuse structure 13 and the MCASE + fuse structure 12 are provided with elastic buckles. The fuse is prevented from being ejected when the connector is mounted.

The upper board 10 is provided with a heat dissipation structure 14 for dissipating heat of the PCB relay 31 on the PCB 30. Since the PCB 30 is supposed to affect its heat dissipation necessarily between the two halves, the heat dissipation of the PCB 30 is increased, thereby improving safety.

The lower surface of the lower board body 20 is provided with a wiring socket 21, a side board 22 is arranged on one side edge of the lower board body 20, and a bolt joint 24 for connecting a B + stud power supply bus 23 of the two PCB boards 30 and MIDI fuses is arranged on the side board. The number of the wiring jacks 21 is preferably 9, and the vertical space is further utilized by arranging the side plates 22, so that the electric components are arranged in a three-dimensional space instead of arranging the components in a single plane.

An electrical box cover 40 is covered above the upper plate body 10, a side cover 41 covering the side plate 22 is arranged on the side edge of the electrical box cover 40, a through hole 42 is formed in the position, corresponding to the MINI fuse holder 11 structure, of the electrical box cover 40, and the hole wall of the through hole 42 is in limit fit with the MINI fuse body. The electric box cover 40 is connected with the upper plate body 10 through 2 elastic buckles, so that maintenance and installation are facilitated, the electric box cover 40 is provided with a structure for limiting the displacement of the fuse, and the installation and use reliability is improved.

The upper surface welding of PCB board 30 has the fuse terminal 31 of being connected with first half fuse, and the lower surface of PCB board 30 is provided with the binding post 32 that corresponds lower plate body 20 wiring socket 21. The PCB 30 is electrically connected to the upper and

lower board bodies

10 and 20.

The lower part of one end of the PCB 30 is provided with a stamped bus bar 33 which is connected with the MCASE + fuse and the MIDI fuse. Therefore, the heavy current is directly conducted through the bus bar, the bearing capacity of the PCB 30 is reduced, and the heavy current is prevented from directly using the PCB 30 to conduct electricity.

The upper plate body 10 and the lower plate body 20 are fixedly connected to each other by means of a snap.

Claims

1. The utility model provides an automobile PCB electrical apparatus box which characterized in that: the fuse structure comprises an upper board body (10) and a lower board body (20) which are provided with component interfaces and integrated with fuse structures, wherein a PCB (30) is clamped between the upper board body (10) and the lower board body (20), and the PCB (30), the upper board body (10) and the lower board body (20) are electrically connected;

the PCB (30) is provided with two blocks which are positioned on the same plane and are arranged at intervals.

2. The automotive PCB electrical box of claim 1, wherein: the upper surface of the upper plate body (10) is provided with a MINI fuse holder (11) and an MCASE + fuse structure (12), and the periphery of the fuse is provided with a wiring holder nearby.

3. The automotive PCB electrical box of claim 2, wherein: the upper surface of the upper plate body (10) is provided with a spare MINI fuse structure (13).

4. The automotive PCB electrical box of claim 2 or 3, wherein: and the MINI fuse seat (11), the spare MINI fuse structure (13) and the MCASE + fuse structure (12) are provided with elastic buckles.

5. The automotive PCB electrical box of claim 1, wherein: the upper plate body (10) is provided with a heat dissipation structure (14) for dissipating heat of a PCB relay (31) on the PCB (30).

6. The automotive PCB electrical box of claim 1 or 2, wherein: the lower surface of the lower plate body (20) is provided with a wiring socket (21), a side plate edge of the lower plate body (20) is provided with a side plate (22), and a B + stud power supply bus bar (23) used for connecting the two PCB plates (30) and a bolt joint (24) of a MIDI fuse are arranged on the side plate.

7. The automotive PCB electrical box of claim 6, wherein: the MINI fuse structure is characterized in that an electric box cover (40) is arranged on the upper portion of the upper plate body (10) in a covering mode, a side cover (41) covering the side plate (22) is arranged on the side edge of the electric box cover (40), a through hole (42) is formed in the position, corresponding to the MINI fuse seat (11), of the electric box cover (40), and the hole wall of the through hole (42) is in limit fit with the MINI fuse body.

8. The automotive PCB electrical box of claim 6, wherein: the upper surface welding of PCB board (30) has fuse terminal (31) of being connected with first half fuse, and the lower surface of PCB board (30) is provided with binding post (32) that corresponds lower plate body (20) wiring socket (21).

9. The automotive PCB electrical box of claim 6, wherein: and a stamped bus bar (33) connected with the MCASE + fuse and the MIDI fuse is arranged at the lower part of one end of the PCB (30).

10. The automotive PCB electrical box of claim 1, wherein: the upper plate body (10) and the lower plate body (20) are fixedly connected with each other through a buckle.