Electric appliance box and vehicle

Abstract

The utility model discloses an electric appliance box and a vehicle, and belongs to the technical field of vehicles, and the electric appliance box comprises a first box body which comprises a first main body part and a first labyrinth part arranged around the first main body part; the second box body comprises a second main body part, a second labyrinth part and a third labyrinth part, the second labyrinth part and the third labyrinth part are arranged around the second main body part, the second labyrinth part is connected with the first labyrinth part so that the first box body and the second box body can be connected in a sealed mode, and a containing cavity is formed between the second main body part and the first main body part. The circuit board assembly is arranged in the containing cavity. The electrical element is arranged on the second main body part and is electrically connected with the circuit board assembly. The cover plate is arranged on the side, away from the first box body, of the second box body and comprises a third main body part and a fourth labyrinth part arranged around the third main body part, and the fourth labyrinth part is connected with the third labyrinth part so as to be in sealed connection with the cover plate and the second box body. The waterproof and dustproof requirements of the electric appliance box are met by improving the sealing performance between the first box body and the second box body and between the second box body and the cover plate.

Description

Technical Field

[0001] The present application belongs to the field of vehicle technology, and specifically relates to an electrical box and a vehicle. Background Art

[0002] In recent years, the traditional automotive sector remains strong, and more and more vehicle manufacturers have begun to develop and improve vehicle manufacturing technology. The electrical box is a core component of the automotive electronic system. In terms of automotive electrical, it serves as the power distribution center of the vehicle and provides current distribution control for the body electrical appliances and electric accessories. At the same time, the electrical box can provide current protection for various electrical appliances and the vehicle, effectively ensuring the safety of the vehicle power supply system.

[0003] Because the automotive market has higher and higher requirements for the safety performance level of the whole vehicle and its parts, such as dust and water resistance. In order to prevent the electrical box or even the whole vehicle from short circuiting, most vehicle manufacturers have gradually raised the dust and water resistance level to the high standard of IP6K9K, while the electrical box is still in the simple and traditional protection design that cannot meet the dust and water resistance requirements. Utility Model Content

[0004] Purpose of the utility model: The embodiments of the present application provide an electrical box and a vehicle, aiming to solve the technical problem that the electrical box cannot meet the requirements of waterproof and dustproof.

[0005] Technical solution: The embodiment of the present application provides an electrical appliance box, comprising:

[0006] A first box body, comprising a first main body portion and a first labyrinth portion arranged around the first main body portion;

[0007] A second box body, comprising a second main body portion, a second labyrinth portion and a third labyrinth portion arranged around the second main body portion, wherein the second labyrinth portion is connected to the first labyrinth portion to seal and connect the first box body and the second box body, and a receiving cavity is formed between the second main body portion and the first main body portion;

[0008] A circuit board assembly is arranged in the accommodating cavity;

[0009] an electrical component, disposed in the second main body and electrically connected to the circuit board assembly;

[0010] The cover plate is arranged on a side of the second box body away from the first box body, and the cover plate includes a third main body and a fourth labyrinth portion arranged around the third main body, and the fourth labyrinth portion is connected to the third labyrinth portion to seal and connect the cover plate and the second box body.

[0011] Accordingly, an embodiment of the present application provides a vehicle, comprising the above-mentioned electrical box.

[0012] Beneficial effects: The electrical box of the embodiment of the present application includes a first box body, a second box body, a circuit board assembly, an electrical component and a cover plate. The first box body includes a first main body and a first labyrinth portion arranged around the first main body. The second box body includes a second main body, a second labyrinth portion arranged around the second main body, and a third labyrinth portion, the second labyrinth portion is connected to the first labyrinth portion to seal and connect the first box body and the second box body, and form a receiving cavity between the second main body and the first main body. The circuit board assembly is arranged in the receiving cavity. The electrical component is arranged in the second main body and is electrically connected to the circuit board assembly. The cover plate is arranged on the side of the second box body away from the first box body, the cover plate includes a third main body and a fourth labyrinth portion arranged around the third main body, the fourth labyrinth portion is connected to the third labyrinth portion to seal and connect the cover plate and the second box body. The present application improves the sealing between the first box body and the second box body by setting the connected first labyrinth portion, and improves the sealing between the second box body and the cover plate by setting the connected third labyrinth portion and the fourth labyrinth portion, so as to meet the waterproof and dustproof requirements for the electrical box.

[0013] The vehicle of the embodiment of the present application includes the above-mentioned electrical box, so the vehicle can have all the technical features and beneficial effects of the above-mentioned electrical box, which will not be repeated here. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without creative work.

[0015] Figure 1 is an exploded view of an electrical box according to an embodiment of the present application;

[0016] Figure 2 is an exploded view of an electrical box according to another embodiment of the present application;

[0017] Figure 3 is a top view of an electrical appliance box according to an embodiment of the present application;

[0018] Figure 4 yes Figure 3 AA section view;

[0019] Figure 5 It is a bottom view of an electrical appliance box according to an embodiment of the present application;

[0020] Figure 6 yes Figure 5 Enlarged view of part B.

[0021] Figure numerals: 1, first box body; 2, second box body; 3, circuit board assembly; 4, electrical component; 5, cover plate; 6, accommodating cavity; 7, non-return structure; 8, bus bar; 9, power interface; 10, first main body; 11, first labyrinth; 20, second main body; 21, second labyrinth; 22, third labyrinth; 30, circuit board body; 31, terminal; 32, relay; 50, third main body; 51, fourth labyrinth; 70, limit part; 71, extension part; 72, notch; 100, drain outlet; 110, first side wall; 200, socket; 210, first connecting part; 211, second side wall; 220, second connecting part; 221, third side wall; 300, combination fuse; 400, bolt; 510, third connecting part; 511, fourth side wall; 3000, metal sheet; X, first direction; Y, second direction. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than 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.

[0023] In the description of the present application, it should be understood that the terms "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first" and "second" may explicitly or implicitly include one or more features. In the description of the present application, "multiple" means two or more, and at least one means one, two or more, unless otherwise clearly and specifically defined. In the description of this application, "vertical" means completely vertical at 90° or almost completely vertical, for example, an angle within the range of 80° to 100° is considered vertical. Similarly, "parallel" means completely parallel or almost completely parallel, for example, an angle within 10° of completely parallel is considered parallel.

[0024] In recent years, the traditional automotive sector remains strong, and more and more vehicle manufacturers have begun to develop and improve vehicle manufacturing technology. The electrical box is a core component of the automotive electronic system. In terms of automotive electrical, it serves as the power distribution center of the vehicle and provides current distribution control for the body electrical appliances and electric accessories. At the same time, the electrical box can provide current protection for various electrical appliances and the vehicle, effectively ensuring the safety of the vehicle power supply system.

[0025] Because the automotive market has higher and higher requirements for the safety performance level of the whole vehicle and its parts, such as dust and water resistance. In order to prevent the electrical box or even the whole vehicle from short circuiting, most vehicle manufacturers have gradually raised the dust and water resistance level to the high standard of IP6K9K, while the electrical box is still in the simple and traditional protection design that cannot meet the dust and water resistance requirements.

[0026] In view of this, an embodiment of the present application provides an electrical box, including a first box body, a second box body, a circuit board assembly, an electrical component and a cover plate. The first box body includes a first main body and a first labyrinth portion arranged around the first main body. The second box body includes a second main body, a second labyrinth portion arranged around the second main body, and a third labyrinth portion, the second labyrinth portion is connected to the first labyrinth portion to seal and connect the first box body and the second box body, and form a receiving cavity between the second main body and the first main body. The circuit board assembly is arranged in the receiving cavity. The electrical component is arranged in the second main body and is electrically connected to the circuit board assembly. The cover plate is arranged on the side of the second box body away from the first box body, the cover plate includes a third main body and a fourth labyrinth portion arranged around the third main body, the fourth labyrinth portion is connected to the third labyrinth portion, so as to seal and connect the cover plate and the second box body. The present application improves the sealing between the first box body and the second box body by setting the connected first labyrinth portion, and improves the sealing between the second box body and the cover plate by setting the connected third labyrinth portion and the fourth labyrinth portion, so as to meet the waterproof and dustproof requirements for the electrical box.

[0027] The electrical box and the vehicle of the present application are described in detail below in conjunction with the accompanying drawings. In the absence of conflict, the features of the following embodiments and implementations can be combined with each other.

[0028] Figure 1 It is an exploded view of an electrical appliance box according to an embodiment of the present application. Figure 2 This is an exploded view of an electrical box according to another embodiment of the present application. Figure 3 It is a top view of an electrical appliance box according to an embodiment of the present application. Figure 4 yes Figure 3 AA section view. Figure 5 It is a bottom view of an electrical appliance box according to an embodiment of the present application. Figure 6 yes Figure 5 Enlarged view of part B. Figures 1 to 6The embodiment of the present application provides an electrical box, including a first box body 1, a second box body 2, a circuit board assembly 3, an electrical component 4 and a cover plate 5. The first box body 1 includes a first main body 10 and a first labyrinth 11 arranged around the first main body 10. The second box body 2 includes a second main body 20, a second labyrinth 21 arranged around the second main body 20, and a third labyrinth 22. The second labyrinth 21 is connected to the first labyrinth 11 to seal the first box body 1 and the second box body 2, and a receiving cavity 6 is formed between the second main body 20 and the first main body 10. The circuit board assembly 3 is arranged in the receiving cavity 6. The electrical component 4 is arranged in the second main body 20 and is electrically connected to the circuit board assembly 3. The cover plate 5 is arranged on the side of the second box body 2 away from the first box body 1. The cover plate 5 includes a third main body 50 and a fourth labyrinth 51 arranged around the third main body 50. The fourth labyrinth 51 is connected to the third labyrinth 22 to seal the cover plate 5 and the second box body 2. The present application improves the sealing between the first box body 1 and the second box body 2 by setting a first labyrinth portion 11 and a second labyrinth portion 21 that are connected to each other, and improves the sealing between the second box body 2 and the cover plate 5 by setting a third labyrinth portion 22 and a fourth labyrinth portion 51 that are connected to each other, thereby meeting the requirements for waterproofing and dustproofing of the electrical box.

[0029] In the embodiment of the present application, the electrical element 4 may be a fuse. As a current protection device, the fuse can cut off the circuit to protect the electrical equipment when an overload or short circuit occurs in the circuit. The fuses can be reasonably arranged in the second main body 20 according to the needs, which can effectively reduce the size of the electrical box and meet the demand for miniaturization of the electrical box.

[0030] exist Figure 4 In the illustrated embodiment, the first labyrinth 11 includes a plurality of first side walls 110, the plurality of first side walls 110 are arranged at intervals along the first direction X, and the first side walls 110 are connected to the first main body 10 on the side away from the second box body 2. The second labyrinth 21 includes a first connecting portion 210 and a plurality of second side walls 211, the plurality of second side walls 211 are arranged at intervals along the first direction X, and the side away from the first box body 1 is connected by the first connecting portion 210, and the first side walls 110 and the second side walls 211 are arranged alternately along the first direction X to seal and connect the first box body 1 and the second box body 2. By arranging a plurality of first side walls 110 and a plurality of second side walls 211 and arranging them alternately with each other to form a plurality of waterproof and dustproof walls, dust or high-pressure water is prevented from entering the electrical box from the side of the electrical box. In this way, the sealing between the first box body 1 and the second box body 2 is improved, and the waterproof and dustproof requirements for the electrical box are met.

[0031] exist Figure 4In the illustrated embodiment, the third labyrinth 22 includes a second connection portion 220 and a plurality of third side walls 221, the plurality of third side walls 221 are arranged at intervals along the first direction X, and the side of the plurality of third side walls 221 close to the first box body 1 is connected by the second connection portion 220. The fourth labyrinth 51 includes a third connection portion 510 and a plurality of fourth side walls 511, the plurality of fourth side walls 511 are arranged at intervals along the first direction X, and the side of the plurality of fourth side walls 511 away from the first box body 1 is connected by the third connection portion 510, and the third side wall 221 and the fourth side wall 511 are arranged alternately along the first direction X to seal and connect the second box body 2 and the cover plate 5. By providing a plurality of third side walls 221 and a plurality of fourth side walls 511 and arranging them alternately with each other to form a plurality of waterproof and dustproof walls, dust or high-pressure water is prevented from entering the electrical box from the side or top surface of the electrical box. In this way, the sealing between the second box body 2 and the cover plate 5 is improved, and the waterproof and dustproof requirements for the electrical box are met.

[0032] exist Figures 4 to 6 In the illustrated embodiment, the first main body 10 has a plurality of drain ports 100, which are arranged throughout the first main body 10, and the electrical box includes a plurality of check structures 7, one check structure 7 correspondingly covering one drain port 100. The drain ports 100 provided in the first main body 10 can discharge the liquid in the electrical box, thereby ensuring the waterproof performance of the electrical box. In the embodiment of the present application, the check structure 7 is provided in the drain port 100 to achieve one-way drainage, which can prevent water from splashing from the bottom of the electrical box into the interior of the electrical box, thereby further improving the waterproof performance of the electrical box.

[0033] exist Figure 6 In the illustrated embodiment, the anti-return structure 7 includes a limiting portion 70 and a plurality of extension portions 71, wherein the plurality of extension portions 71 are respectively connected to the first main body 10 and extend in a direction away from the drain port 100, and the plurality of extension portions 71 are connected to the limiting portion 70 on one side away from the first main body 10, and the orthographic projection of the drain port 100 along the second direction Y covers the orthographic projection of the limiting portion 70 along the second direction Y, the second direction Y being the thickness direction of the first main body 10, and the second direction Y being perpendicular to the first direction X. In this way, the plurality of extension portions 71 are spaced apart to form a notch 72, so that the liquid in the electrical box can be discharged through the drain port 100 and the notch 72, thereby ensuring the waterproof performance of the electrical box.

[0034] exist Figure 2 In the illustrated embodiment, a plurality of sockets 200 are provided on one side of the second body portion 20 facing the cover plate 5, and at least a portion of the electrical component 4 is movably connected to the socket 200 and electrically connected to the circuit board assembly 3 through the socket 200. In the embodiment of the present application, the electrical component 4 is snap-fitted with the socket 200 and electrically connected to the circuit board assembly 3 by means of a press assembly.

[0035] exist Figure 2 In the illustrated embodiment, the circuit board assembly 3 includes a circuit board body 30, a terminal 31 and a relay 32, the terminal 31 and the relay 32 are arranged on a side of the circuit board body 30 away from the first box body 1, and the electrical component 4 is connected to the terminal 31. The relay 32 plays the role of circuit switching and can guide the current to different circuits. The terminal 31 is used for electrical connection of the circuit. The electrical box includes a bus bar 8 and a power interface 9, the bus bar 8 is connected to the circuit board body 30 and is electrically connected to the electrical component 4 and / or the relay 32, the power interface 9 is located in the accommodating cavity 6 and is connected to the first box body 1, and the bus bar 8 is connected to the power interface 9. The bus bar 8 has a mounting hole, and the power interface 9 is penetrated through the mounting hole. The power line is arranged on the power interface 9 to realize power supply through the bus bar 8. In the embodiment of the present application, the bus bar 8, the circuit board body 30, the terminal 31 and the relay 32 are welded by soldering.

[0036] exist Figure 1 and Figure 2 In the illustrated embodiment, the electrical box includes a combination fuse 300 and a plurality of bolts 400. The combination fuse 300 includes a plurality of connected metal sheets 3000, the metal sheets 3000 have through holes, the bolts 400 are disposed on the first box body 1, and the plurality of metal sheets 3000 are fixedly connected to the bolts 400 through the through holes. The electrical box serves as a main fuse box, mainly used to manage power supply and provide overload protection. The combination fuse 300 serves as a secondary fuse box, which plays an auxiliary protection role in the circuit and can be used to protect specific electrical equipment or circuit parts.

[0037] In some embodiments, one of the combination fuse 300 and the first box body 1 is provided with a buckle (not shown), and the other of the combination fuse 300 and the first box body 1 is provided with a slot (not shown), and the buckle and the slot are engaged to connect the combination fuse 300 and the first box body 1. In this way, the combination fuse 300 can be fixed to the first box body 1 through the cooperation of the buckle and the slot.

[0038] The embodiment of the present application also provides a vehicle, including the above-mentioned electrical box. Therefore, the vehicle can have all the technical features and beneficial effects of the above-mentioned electrical box, which will not be repeated here.

[0039] In the above embodiments, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0040] The above is a detailed introduction to an electrical box and a vehicle provided in the embodiments of the present application, and specific examples are used to illustrate the principles and implementation methods of the present application. The description of the above embodiments is only used to help understand the technical solution and its core idea of ​​the present application; ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some of the technical features therein with equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. An electrical box, characterized in that: include: A first box body (1) comprises a first main body portion (10) and a first labyrinth portion (11) arranged around the first main body portion (10); A second box body (2), comprising a second main body (20), a second labyrinth (21) and a third labyrinth (22) arranged around the second main body (20), wherein the second labyrinth (21) is connected to the first labyrinth (11) to seal the first box body (1) and the second box body (2), and a receiving cavity (6) is formed between the second main body (20) and the first main body (10); A circuit board assembly (3) is arranged in the accommodating cavity (6); An electrical component (4) is disposed on the second main body (20) and is electrically connected to the circuit board assembly (3); A cover plate (5) is arranged on a side of the second box body (2) away from the first box body (1), the cover plate (5) comprising a third main body portion (50) and a fourth labyrinth portion (51) arranged around the third main body portion (50), the fourth labyrinth portion (51) being connected to the third labyrinth portion (22) so as to seal the cover plate (5) and the second box body (2).

2. The electrical box according to claim 1, characterized in that: The first labyrinth portion (11) comprises a plurality of first side walls (110), the plurality of first side walls (110) are arranged at intervals along a first direction (X), and a side of the plurality of first side walls (110) away from the second box body (2) is connected to the first main body (10); The second labyrinth portion (21) comprises a first connecting portion (210) and a plurality of second side walls (211), wherein the plurality of second side walls (211) are arranged at intervals along the first direction (X), and the sides of the plurality of second side walls (211) away from the first box body (1) are connected via the first connecting portion (210), and the first side walls (110) and the second side walls (211) are arranged alternately along the first direction (X) to seal and connect the first box body (1) and the second box body (2).

3. The electrical box according to claim 1, characterized in that: The third labyrinth portion (22) comprises a second connecting portion (220) and a plurality of third side walls (221), wherein the plurality of third side walls (221) are arranged at intervals along the first direction (X), and a side of the plurality of third side walls (221) close to the first box body (1) is connected via the second connecting portion (220); The fourth labyrinth portion (51) comprises a third connecting portion (510) and a plurality of fourth side walls (511), wherein the plurality of fourth side walls (511) are arranged at intervals along the first direction (X), and the side of the plurality of fourth side walls (511) away from the first box body (1) is connected via the third connecting portion (510), and the third side wall (221) and the fourth side wall (511) are arranged alternately along the first direction (X) to seal and connect the second box body (2) and the cover plate (5).

4. The electrical box according to claim 1, characterized in that: The first main body (10) has a plurality of drain openings (100), and the drain openings (100) are arranged through the first main body (10). The electrical box comprises a plurality of non-return structures (7), and one of the non-return structures (7) is correspondingly covered on one of the drain openings (100).

5. The electrical box according to claim 4, characterized in that: The anti-return structure (7) comprises a limiting portion (70) and a plurality of extension portions (71); the plurality of extension portions (71) are respectively connected to the first main body portion (10) and are extended in a direction away from the drain outlet (100); the plurality of extension portions (71) are connected to the limiting portion (70) on a side away from the first main body portion (10); the orthographic projection of the drain outlet (100) along a second direction (Y) covers the orthographic projection of the limiting portion (70) along the second direction (Y); and the second direction (Y) is the thickness direction of the first main body portion (10).

6. The electrical box according to claim 1, characterized in that: A plurality of sockets (200) are provided on a side of the second main body (20) facing the cover plate (5); at least a portion of the electrical component (4) is movably connected to the sockets (200) and is electrically connected to the circuit board assembly (3) via the sockets (200).

7. The electrical box according to claim 1, characterized in that: The circuit board assembly (3) comprises a circuit board body (30), a terminal (31) and a relay (32); the terminal (31) and the relay (32) are arranged on a side of the circuit board body (30) away from the first box body (1); and the electrical component (4) is connected to the terminal (31).

8. The electrical box according to claim 7, characterized in that: The electrical box comprises a bus bar (8) and a power interface (9), wherein the bus bar (8) is connected to the circuit board body (30) and is electrically connected to the electrical component (4) and / or the relay (32), and the power interface (9) is located in the accommodating cavity (6) and is connected to the first box body (1), and the bus bar (8) is connected to the power interface (9).

9. The electrical box according to claim 1, characterized in that: The electrical box comprises a combination fuse (300) and a plurality of bolts (400), wherein the combination fuse (300) comprises a plurality of connected metal sheets (3000), wherein the metal sheets (3000) have through holes, and the bolts (400) are arranged on the first box body (1), and the plurality of metal sheets (3000) are fixedly connected to the bolts (400) via the through holes.

10. The electrical box according to claim 9, characterized in that: One of the combination fuse (300) and the first box body (1) is provided with a buckle, and the other of the combination fuse (300) and the first box body (1) is provided with a slot, and the buckle is engaged with the slot to connect the combination fuse (300) and the first box body (1).

11. A vehicle, characterized in that: It comprises an electrical box as described in any one of claims 1 to 10.

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