Distribution box and vehicle

Abstract

The utility model relates to a power distribution box and a vehicle. The power distribution box comprises a box body and a PCB. The PCB is at least partially mounted in the box body, the PCB comprises a first mounting surface, a second mounting surface, a power supply input terminal, a power supply output terminal and a fuse mounting terminal, the fuse mounting terminal is electrically connected between the power supply input terminal and the power supply output terminal, and the first mounting surface and the second mounting surface are respectively positioned on two opposite sides of the PCB; wherein the fuse mounting terminal is arranged on the first mounting surface, and the power input terminal and the power output terminal are arranged on the second mounting surface. According to the technical scheme, wire harness management is facilitated, the cleanliness of the side where the fuse is located is guaranteed, maintenance is facilitated, meanwhile, the area of the PCB is saved, and space and resources can be reasonably utilized.

Description

Technical Field

[0001] The present application relates to the field of vehicle technology, and in particular to a distribution box and a vehicle. Background Art

[0002] A distribution box is typically a device that centrally distributes electricity. It can contain a printed circuit board (PCB) and fuses. The PCB has multiple circuit connection points and control components for distributing electricity to different circuits. The fuses protect these circuits. When an abnormal situation such as overcurrent occurs in the circuit, the fuses will blow to prevent damage to the circuit and equipment.

[0003] In the related art, the input and output lines are distributed on the side of the PCB board where the fuse is provided. After the wiring harness is connected, the wiring harness becomes complicated, the wiring harness management is inconvenient, and the area around the fuse is not tidy, which is not conducive to maintenance. Utility Model Content

[0004] An embodiment of the present application provides a distribution box that facilitates wire harness management to at least partially solve the above-mentioned technical problems.

[0005] In order to achieve the above-mentioned object, according to a first aspect of the present application, there is provided a power distribution box, comprising: a box body;

[0006] a PCB board, at least partially mounted within the box body, the PCB board comprising a first mounting surface, a second mounting surface, a power input terminal, a power output terminal, and a fuse mounting terminal, the fuse mounting terminal being electrically connected between the power input terminal and the power output terminal, the first mounting surface and the second mounting surface being located on opposite sides of the PCB board;

[0007] The fuse mounting terminal is arranged on the first mounting surface, and the power input terminal and the power output terminal are arranged on the second mounting surface.

[0008] According to a second aspect of the present application, a vehicle is provided, comprising the power distribution box as described above.

[0009] In the distribution box of the embodiment of the present application, the PCB board adopts a double-layer board layout process, with the first mounting surface used as the fuse mounting surface and the second mounting surface used as the line connection surface. The first mounting surface and the second mounting surface are respectively located on opposite sides of the PCB board, so that the fuse mounting surface and the line connection surface are separated from each other, which is convenient for wiring harness management. This design can ensure that the side where the fuse is located is tidy and easy to maintain, while saving the area of ​​the PCB board and making rational use of space and resources.

[0010] Other features and advantages of the present application will be described in detail in the subsequent detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] To more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present application. Those skilled in the art can also derive other drawings based on these drawings without inventive effort.

[0012] In order to more completely understand the present application and its beneficial effects, the following description will be given in conjunction with the accompanying drawings, wherein the same drawing numbers represent the same parts in the following description.

[0013] Figure 1 is a schematic diagram of the overall structure of a power distribution box provided in an exemplary embodiment of the present disclosure;

[0014] Figure 2 yes Figure 1 Side view of;

[0015] Figure 3 yes Figure 1 The first-person exploded view;

[0016] Figure 4 yes Figure 1 Exploded view from the second perspective;

[0017] Figure 5 yes Figure 3 Schematic diagram of the structure of the PCB board and the guide member;

[0018] Figure 6 yes Figure 3 A schematic structural diagram of a PCB board and a first flow guide;

[0019] Figure 7 yes Figure 3 Schematic diagram of the structure of the guide member.

[0020] Description of reference numerals:

[0021] 100, box body; 111, first installation cavity; 113, first installation slot; 1130, first opening;

[0022] 210. PCB board installation and fixing structure;

[0023] 300, low-current electrical component; 310, PCB board; 311, first mounting surface; 313, second mounting surface; 330, first safety element; 340, power output terminal;

[0024] 400, high-current electrical component; 430, second current guide; 431, second input portion; 433, high-current output portion; 434, through hole; 450, second safety member;

[0025] 510, box cover; 511, first part; 513, second part; 520, middle box; 540, second installation cavity; 550, lower box;

[0026] 600, flow guide assembly; 610, first flow guide; 611, first connecting portion; 613, low current output portion;

[0027] 710, first input member; 711, first input portion; 713, third input portion; 714, U-shaped hole;

[0028] 7131, first sub-unit; 7133, second sub-unit; 7135, third sub-unit;

[0029] 810, connector; 830, relay; 840, first fixing nut; 850, second fixing nut; direct power supply unit 860;

[0030] 901, first connecting member; 902, second connecting member; 903, third connecting member; 904, fourth connecting member; 905, fifth connecting member. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the embodiments described are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present application.

[0032] According to the first aspect of the present application, a distribution box is provided. The three-dimensional diagram of the distribution box is shown in Figure 1. The distribution box includes a box body 100. The box body 100 may be provided with an installation cavity inside for accommodating the electrical components of the distribution box. Figure 1 and Figure 2 In some embodiments, the box body 100 may include a box cover 510 , a middle box 520 , and a lower box 550 .

[0033] Please combine Figure 3 The electrical components of the power distribution box may specifically include a high-current electrical component 400 and a low-current electrical component 300. The high-current electrical component 400 has a large current-carrying capacity, which can be increased by reducing its internal resistance. In some embodiments, the high-current electrical component 400 can be connected to an external high-current load, such as a car starter. The low-current electrical component 300 has a smaller current-carrying capacity. In some embodiments, the low-current electrical component 300 can be connected to an external low-current load, such as a sensor.

[0034] Please combine Figure 3The low-current electrical component 300 may include a PCB board 310 , and the PCB board 310 is at least partially installed in the box body 100 , thereby providing better protection for the PCB board 310 .

[0035] Please combine Figure 5 The PCB board 310 includes a first mounting surface 311, a second mounting surface 313, a power input terminal, a power output terminal 340 and a fuse mounting terminal, and the fuse mounting terminal is electrically connected between the power input terminal and the power output terminal.

[0036] The power input terminal is electrically connected to the fuse mounting terminal, which is electrically connected to the power output terminal. The power input terminal is used to connect to an external power source, the fuse mounting terminal is used to connect to the first fuse 330, and the power output terminal is used to connect to an external low-current load. In some embodiments, the external power source is connected to the PCB board 310 through the power input terminal and electrically connected to the first fuse 330 through the fuse mounting terminal. The first fuse 330 is electrically connected to the external low-current load through the power output terminal, thereby achieving a series connection of the external power source, the first fuse 330, and the external low-current load to form a low-current circuit. The low-current circuit is protected by the first fuse 330. The power output terminal 340 is used to cooperate with the connector 810 to supply power to the external load.

[0037] Please combine Figure 5 In some embodiments, the first mounting surface 311 and the second mounting surface 313 are located on opposite sides of the PCB 310, wherein the fuse mounting terminals are provided on the first mounting surface 311, and the power input terminals and the power output terminals are provided on the second mounting surface 313. In these embodiments, the PCB utilizes a double-layer layout process, with the first mounting surface 311 serving as the fuse mounting surface and the second mounting surface 313 serving as the circuit connection surface. The first mounting surface 311 and the second mounting surface 313 are located on opposite sides of the PCB 310, thereby separating the fuse mounting surface and the circuit connection surface. This design ensures a clean and tidy fuse surface for easy maintenance, while also conserving the area of ​​the PCB 310 and effectively utilizing space and resources.

[0038] In some embodiments, the power distribution box further includes a high-current electrical assembly 400 and a low-current electrical assembly 300. The low-current electrical assembly 300 includes a PCB board 310. The box body 100 forms a first mounting cavity 111. The low-current electrical assembly 300 is mounted in the first mounting cavity 111, and the high-current electrical assembly 400 is disposed on the side of the box body. In these embodiments, the low-current electrical assembly 300 and the high-current electrical assembly 400 are flexibly integrated into a single box body using the PCB board 310. The power distribution box is capable of both high- and low-current power distribution, is rich in functionality, and has a compact structure and small size, thereby improving space utilization.

[0039] Please combine Figure 1 as well as Figure 3 In some embodiments, the box body 100 includes a connected cover 510 and a middle box 520. The cover 510 includes a first portion 511 and a second portion 513 that are bent and connected. The first portion 511 covers the middle box 520 and forms a first mounting cavity 111. The second portion 133 is located on the side of the middle box 520 and covers the high-current electrical components 400. In these embodiments, the first portion 511 covers the opening of the first mounting cavity 111, thereby protecting the PCB board 310 and other electrical components within the first mounting cavity 111. The second portion 513 covers the high-current electrical components 400, thereby protecting the high-current electrical components 400.

[0040] Please combine Figure 4 The side of the middle box 520 is provided with a first input member 710 and a second flow guide member 430, which realize the input of an external power source and the shunt output of a large current. The power input terminal of the external power source is connected to the first input member 710. The power input terminal of the external power source can be connected to the first input member 710 by a first bolt and a first fixing nut 840.

[0041] The high-current shunt output portion can be connected to other electrical components using a second bolt in conjunction with a second fixing nut 850. The second bolt can be slightly smaller than the first bolt, and the second bolt terminal has the side wall of the middle box 520 as its bottom surface, and the second bolt terminal is perpendicular to the end surface of the side wall of the middle box 520.

[0042] Please combine Figure 3 as well as Figure 4 In some embodiments, a first mounting groove 113 is provided on the side of the box body 100 facing away from the first mounting cavity 111, and the high-current electrical component 400 is disposed in the first mounting groove 113. The second portion 513 can cover the first mounting groove 113, thereby covering and protecting the high-current electrical component 400.

[0043] Please combine Figure 3 In some embodiments, a first opening 1130 may be provided in the first mounting slot 113 away from the first portion 511 , and the second portion 513 covers the first mounting slot 113 without blocking the first opening 1130 . The high-current electrical component 400 may be connected to an external high-current load through the first opening 1130 .

[0044] Please combine Figure 5 、 Figure 6 as well as Figure 7In some embodiments, the power distribution box further includes a flow guide assembly 600, which includes a first input member 710, a first flow guide 610, and a second flow guide 430. The first input member 710 is connected to the first flow guide 610 and the second flow guide 430, respectively. The first input member 710 is used to connect to an external power source, thereby enabling the external power source to be connected to the power distribution box. In some embodiments, the first input member 710 is used to connect to the positive input terminal of the external power source, that is, to connect the power distribution box to the positive terminal of the external power source.

[0045] In some embodiments, the first input member 710, the first flow guide 610, and the second flow guide 430 can all be copper busbars. Copper busbars have low internal resistance, good current carrying capacity, and low thermal efficiency, allowing them to carry large currents without overheating and causing thermal runaway. The first input member 710, the first flow guide 610, and the second flow guide 430 can be secured together using bolts and nuts to ensure stable flow.

[0046] Please combine Figure 5 、 Figure 6 as well as Figure 7 In some embodiments, the second current guide 430 is connected to the high-current electrical component 400, and the second current guide 430 is connected to the first input component 710. The first input component 710 is used to connect to an external power supply, so that part of the current input by the external power supply flows into the external high-current load through the first input component 710, the second current guide 430, and the high-current electrical component 400.

[0047] Please combine Figure 5 、 Figure 6 as well as Figure 7 In some embodiments, the first guide member 610 is connected to the low-current electrical component 300 , and the first guide member 610 is connected to the first input member 710 , so that part of the current input by the external power supply flows into the external low-current load through the first input member 710 and the first guide member 610 .

[0048] Please combine Figure 2 as well as Figure 3 In some embodiments, at least a portion of the first flow guide 610 is located in the first installation cavity 111 , and the second flow guide 430 and the first input member 710 are located on the side of the box body.

[0049] Please combine Figure 5 、 Figure 6 as well as Figure 7In some embodiments, the first current guide 610 may include a first connecting portion 611 and a low-current output portion 613. The first connecting portion 611 is configured to connect to the first input member 710, which is configured to connect to an external power source. The low-current output portion 613 is connected to the power input terminal of the PCB board 310. Thus, a portion of the current from the external power source is connected to the PCB board 310 via the first input member 710, the first connecting portion 611, the low-current output portion 613, and the power input terminal of the PCB board 310. After flowing into the PCB board 310, the portion of the current from the external power source flows through the fuse mounting terminal, the first fuse 330, and the power output terminal to the external low-current load, thereby achieving a series connection of the external power source, the first fuse 330, and the external low-current load to form a low-current circuit. The low-current circuit is protected by the first fuse 330.

[0050] In some embodiments, the low-current output portion 613 is provided with pins for connecting to a PCB and providing power to the PCB. The ends of the pins can be connected to the second mounting surface 313, saving upper space and improving resource utilization. The pins can be welded to the PCB. The PCB can be provided with openings, and the pins can be passed through the PCB and welded to the PCB, ensuring a stable connection between the pins and the second mounting surface 313 of the PCB.

[0051] Please combine Figure 3 as well as Figure 5 In some embodiments, the first mounting surface 311 of the PCB board is disposed opposite the first portion 511. That is, the first mounting surface 311 of the PCB board is located above the second mounting surface 313. In this case, the first mounting surface 311 is the upper surface of the PCB board, and the second mounting surface 313 is the lower surface of the PCB board. The fuse mounting terminal is disposed on the first mounting surface 311, and the power input terminal and the power output terminal are disposed on the second mounting surface 313. That is, the fuse mounting terminal is disposed on the upper surface of the PCB board, and the power input terminal and the power output terminal are disposed on the lower surface of the PCB board. In these embodiments, current is input through the power input terminal, and current is output through the power output terminal. Current input is connected to the lower portion of the PCB board, and current output is connected to the lower portion of the PCB board. The wiring harnesses involved in current input and current output are concentrated below the distribution box, which can ensure that the distribution box is neat and clean during vehicle layout.

[0052] Please combine Figure 3 as well as Figure 5 In some embodiments, the small current output portion 613 is located on the side of the second mounting surface 313 away from the first mounting surface 311, and at least a portion of the first connecting portion 611 is located on the side of the box body, with a reasonable layout and a compact structure.

[0053] Please combine Figure 3 、 Figure 4 as well as Figure 5 In some embodiments, the second current guide 430 is mounted on the side of the housing. The second current guide 430 includes a second input portion 431 and a high-current output portion 433. The high-current output portion 433 is connected to the high-current electrical component 400. The second input portion 431 is used to connect to the first input portion 710, which is connected to an external power source. A portion of the current input by the external power source passes through the first input portion 710, the second input portion 431, the high-current output portion 433, and the high-current electrical component 400 before flowing into the external high-current load. In some embodiments, there may be multiple high-current output portions 433, each located below the second input portion 431. The second input portion 431 and the multiple high-current output portions 433 form a T-shape overall. In some embodiments, there may be one second input portion 431 and three high-current output portions 433.

[0054] Please combine Figure 3 、 Figure 4 as well as Figure 5 In some embodiments, the large current output portion 433 may be located on a side of the second input portion 431 away from the first portion 511 . The large current output portion 433 may be disposed in the first mounting groove 113 .

[0055] Please combine Figure 3 、 Figure 4 as well as Figure 5 In some embodiments, the top of the small current output portion 613 can be connected to the PCB board 310. The first input member 710 can include a first input portion 711 and a third input portion 713 connected to each other. The first input portion 711 is connected to the first connecting portion 611 and is arranged parallel to the PCB board 310.

[0056] In some embodiments, the first connecting portion 611 can be arranged parallel to the PCB board 310, the first connecting portion 611 can have a first through hole, the first input portion 711 can have a second through hole, the first connecting portion 611 and the first input portion 711 are stacked, and the first input portion 711 is located above the first connecting portion 611, the first through hole and the second through hole are arranged opposite to each other, and bolts and nuts can be used to cooperate with the first through hole and the second through hole to connect the input terminal of the external power supply to the guide assembly 600.

[0057] In some embodiments, the third input portion 713 is connected to the second input portion 431 and is perpendicular to the PCB board, thereby facilitating wiring from the bottom of the distribution box, so that the line connections are concentrated on one side, facilitating wiring and management of the harness.

[0058] Please combine Figure 7In some embodiments, a U-shaped hole 714 is formed at the end of the third input portion 713 connected to the second input portion 431, and a through hole 434 is formed at the end of the second input portion 431 to cooperate with the U-shaped hole 714. The U-shaped hole 714 facilitates the connection between the third input portion 713 and the second input portion 431.

[0059] Please combine Figure 5 In some embodiments, the third input portion 713 includes a first sub-portion 7131, a second sub-portion 7133, and a third sub-portion 7135 that are bent and connected in sequence. The first sub-portion 7131 and the third sub-portion 7135 are arranged in parallel. The first sub-portion 7131 is closer to the PCB board 310 than the third sub-portion 7135. The first sub-portion 7131 is connected to the first input portion 711, and the third sub-portion 7135 is connected to the second input portion 431.

[0060] Furthermore, the third subsection 7135 defines a U-shaped hole 714. In this embodiment of the present application, when an external power source is connected to the first input section 711, the current from the external power source can be divided into at least two paths: one path entering the low-current circuit, namely, passing through the first connection section 611, the low-current output section 613, the PCB board, and the low-current load; and the other path entering the high-current circuit, namely, passing through the third input section 713, the second input section 431, the high-current output section 433, the high-current electrical component 400, and the high-current load.

[0061] Please combine Figure 3 、 Figure 4 as well as Figure 5 In some embodiments, the low-current electrical component 300 includes a first safety component 330 , which is disposed on a side of the first mounting surface facing away from the second mounting surface. The first safety component is connected to the safety mounting terminal, and the low-current circuit is protected by the first safety component 330 .

[0062] Please combine Figure 3 、 Figure 4 as well as Figure 5 In some embodiments, the high-current electrical component 400 includes a second fuse 450, and the high-current output portion 433 is connected to the second fuse 450. There may be multiple high-current output portions 433, and multiple second fuses 450, each of which is connected to a second fuse 450. The second fuse 450 protects the high-current circuit.

[0063] In the embodiment of the present application, the high-current circuit is arranged on the side of the box body 100, connected to the power distribution through the first input component 710 and the second guide component 430, and the line is protected by the second safety component 450, so that the line connections in the high-current circuit are concentrated on the side of the box body 100, which is convenient for wiring and management of the wiring harness.

[0064] The box cover 510 is used to protect the first safety component 330, the second safety component 450 and the PCB board 310, etc., to prevent them from being affected by dust and splashing water, which may cause circuit aging and short circuit. During maintenance, you only need to remove the box cover 510 to check the status of the first safety component 330 and the second safety component 450.

[0065] Please combine Figure 3 、 Figure 4 as well as Figure 5 In some embodiments, the power distribution box further includes a connector 810, and the box body 100 further includes a lower box 550. The lower box 550 is located on the side of the middle box 520 facing away from the first portion 511. The lower box 550 and the middle box 520 form a second mounting cavity 540. The connector 810 is mounted in the second mounting cavity 540 and mates with the power output terminals of the PCB board 310. The connector 810 is used to connect an external load. Thus, a current path passes through the first connection portion 611 and the low-current output portion 613. The low-current output portion 613 is connected to the PCB board 310 via the power input terminals and electrically connected to the first fuse 330 via the fuse mounting terminals. The first fuse 330 is connected to the connector 810 via the power output terminals. The connector 810 is connected to the external load, thereby connecting the first fuse 330 and the external load in series.

[0066] A first installation cavity 111 is formed between the box cover 510 and the middle box 520, and a second installation cavity 540 is formed between the middle box 520 and the lower box 550. The middle box 520 is located between the box cover 510 and the lower box 550 and is used to connect the box cover 510 and the lower box 550.

[0067] Please combine Figure 3 The middle box 520 may be provided with a first connecting member 901 , and the box cover 510 may be provided with a second connecting member 902 . The first connecting member 901 cooperates with the second connecting member 902 , so that the box cover 510 and the middle box 520 can be connected.

[0068] Please combine Figure 3 In some embodiments, the lower box 550 may be provided with a third connecting member 903, and the middle box 520 may be provided with a fourth connecting member 904. The third connecting member 903 cooperates with the fourth connecting member 904 to connect the lower box 550 to the middle box 520. In some embodiments, the fourth connecting member 904 may be a sloped boss fixed to the outer periphery of the side wall of the middle box 520, and the third connecting member 903 may be provided with a mounting hole that cooperates with the sloped boss. For example, the third connecting member 903 may be a square ring buckle for cooperating with the fourth connecting member 904. Multiple third connecting members 903 and fourth connecting members 904 may be provided, and the third connecting members 903 and fourth connecting members 904 may cooperate one-to-one.

[0069] The lower box 550 may be connected to a fifth connector 905 , which is used to install the entire distribution box in a suitable location, such as an engine compartment or a passenger compartment, so that the distribution box is fixed to the vehicle body.

[0070] Please combine Figure 3 In some embodiments, the power distribution box may further include a PCB mounting structure 210. The PCB mounting structure 210 is mounted on a side of the middle box 520 facing the box cover 510. The PCB mounting structure 210 is disposed in the first mounting cavity 111. In some embodiments, the middle box 520 is larger than the PCB mounting structure 210, facilitating the internal embedding of the PCB mounting structure 210 within the middle box 520.

[0071] The PCB board 310 is installed on the PCB board mounting and fixing structure 210. The PCB board mounting and fixing structure 210 mainly fixes the PCB board 310 and protects the fuse base. The fuse base is installed on the PCB board 310 and connected to the fuse mounting terminal. The first fuse member 330 is installed on the fuse base and electrically connected to the fuse mounting terminal.

[0072] In some embodiments, a safety slot may be provided on the PCB board mounting and fixing structure 210 to facilitate installation and removal of the first safety component 330 .

[0073] In some embodiments, the first mounting surface 311 of the PCB board 310 is mounted inside the PCB board mounting and fixing structure 210 .

[0074] The housing of the PCB mounting structure 210 may be provided with boss strips around its perimeter to limit the vertical displacement of the PCB 310. Furthermore, the sidewalls of the housing of the PCB mounting structure 210 may also be provided with first sloped bosses, and the inner side of the middle box 520 may be provided with second sloped bosses. The first and second sloped bosses cooperate to facilitate assembly of the PCB mounting structure 210 and the middle box 520.

[0075] Please combine Figure 7 In some embodiments, the power distribution box further includes a relay 830 , which is used to control the on / off of the circuit in the PCB board 310 .

[0076] The distribution box also includes a direct power supply plate 860, which is arranged on the side of the middle box 520 for supplying electricity. The direct power supply plate 860 can conveniently and quickly draw current from the distribution box, provide a source of electricity, and improve the efficiency of supplying electricity.

[0077] During installation, install the PCB 310 into the PCB mounting structure 210, which is then assembled into the middle box 520. Install the first safety element 330 and the relay 830, etc., onto the first mounting surface 311 of the PCB 310. Install the connector 810 into the second mounting cavity 540. Connect the lower box 550 to the middle box 520. Install the relevant components on the side of the middle box 520 and connect it to an external power source. Install the box cover 510.

[0078] According to a second aspect of the present disclosure, a vehicle is provided, comprising the above-mentioned power distribution box. The vehicle has all the beneficial effects of the above-mentioned power distribution box, which will not be further elaborated in this disclosure.

[0079] The vehicle may be a fuel vehicle, a plug-in hybrid vehicle, a new energy vehicle, etc., and this disclosure does not make any specific limitations on this.

[0080] In the description of this application, the terms "first" and "second" are used for descriptive purposes only and should not be understood to indicate or imply relative importance or implicitly specify the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more features. In the description of this application, "plurality" means two or more, unless otherwise specifically defined.

[0081] In the above embodiments, the description of each embodiment has its own focus. For parts that are not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0082] The embodiments, implementation methods and related technical features of the present application can be combined and replaced with each other without conflict.

[0083] The above are merely preferred embodiments of the present application and do not constitute any form of limitation to the present application. However, any modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present application without departing from the content of the technical solution of the present application shall still fall within the scope of the technical solution of the present application.

Claims

1. A distribution box, characterized in that: include: Box body; a PCB board, at least partially mounted within the box body, the PCB board comprising a first mounting surface, a second mounting surface, a power input terminal, a power output terminal, and a fuse mounting terminal, the fuse mounting terminal being electrically connected between the power input terminal and the power output terminal, the first mounting surface and the second mounting surface being located on opposite sides of the PCB board; The fuse mounting terminal is arranged on the first mounting surface, and the power input terminal and the power output terminal are arranged on the second mounting surface.

2. The distribution box according to claim 1, characterized in that: The distribution box also includes high-current electrical components and low-current electrical components. The low-current electrical components include the PCB board. The box body forms a first installation cavity. The low-current electrical components are installed in the first installation cavity. The high-current electrical components are arranged on the side of the box body.

3. The distribution box according to claim 2, characterized in that: A first mounting groove is provided on a side of the box body facing away from the first mounting cavity, and the high-current electrical component is arranged in the first mounting groove.

4. The distribution box according to claim 2, characterized in that: The box body includes a box cover and a middle box connected to each other, and the box cover includes a first part and a second part that are bent and connected; the first part covers the middle box and forms the first installation cavity, and the second part is located on the side of the middle box and covers the high-current electrical components.

5. The distribution box according to claim 4, characterized in that: The distribution box also includes a flow guide assembly, which includes a first input piece, a first flow guide piece and a second flow guide piece. The first input piece is connected to the first flow guide piece and the second flow guide piece respectively. The first input piece is used to connect an external power supply. The second flow guide piece is connected to the high-current electrical component. The first flow guide piece is connected to the low-current electrical component. At least a portion of the first flow guide piece is located in the first installation cavity. The second flow guide piece and the first input piece are located on the side of the box body.

6. The distribution box according to claim 5, characterized in that: The first current guide member includes a first connecting portion and a small current output portion connected in a bent manner, the first connecting portion is used to connect to the first input member, and the small current output portion is connected to the power input terminal of the PCB board; The first mounting surface of the PCB board is arranged opposite to the first part, the small current output part is located on the side of the second mounting surface away from the first mounting surface, and at least a part of the first connecting part is located on the side of the box body.

7. The distribution box according to claim 6, characterized in that: The second flow guide is installed on the side of the box body, and the second flow guide includes a second input part and a large current output part. The second input part is used to connect the first input part. The large current output part is located on the side of the second input part away from the first part, and the large current output part is connected to the large current electrical component.

8. The distribution box according to claim 7, characterized in that: The first input component includes a first input portion and a third input portion connected to each other. The first input portion is connected to the first connecting portion and is arranged parallel to the PCB board. The third input portion is connected to the second input portion and is perpendicular to the PCB board.

9. The distribution box according to claim 7, characterized in that: The low-current electrical component includes a first safety member, the first safety member is arranged on a side of the first mounting surface facing away from the second mounting surface, and the first safety member is connected to the safety mounting terminal; and / or The high-current electrical component includes a second fuse, and the high-current output portion is connected to the second fuse.

10. The power distribution box according to claim 4, characterized in that: The distribution box also includes a connector, and the box body also includes a lower box. The lower box is located on the side of the middle box away from the first part. The lower box and the middle box form a second installation cavity. The connector is installed in the second installation cavity and is connected to the power output terminal of the PCB board. The connector is used to connect an external load.

11. A vehicle, characterized in that: The invention comprises the distribution box according to any one of claims 1 to 10.

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