Electrical box and vehicle

Abstract

The present application discloses an electrical box and a vehicle, belonging to the field of vehicle technology, including a housing assembly including a cover plate, a first housing and a second housing, wherein the cover plate and the first housing are enclosed to form a first accommodating cavity, and the first housing and the second housing are enclosed to form a second accommodating cavity. The electrical component is located in the first accommodating cavity and connected to the first housing. A plurality of fasteners are located in the second accommodating cavity and connected to the second housing. The circuit board assembly is located in the second accommodating cavity, and the circuit board assembly includes a circuit board body and a bus connected to the circuit board body, and the bus has a first mounting hole. The combination fuse is located in the second accommodating cavity and connected to the second housing, and the combination fuse includes a plurality of metal sheets, and the metal sheets have a second mounting hole. One fastener is inserted through the first mounting hole and connected to the bus, and at least one other fastener is inserted through the second mounting hole and connected to the plurality of metal sheets. With such a configuration, the volume of the electrical box is reduced, the structure is compact, and the compatibility of the electrical box is improved.

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] Due to the overall nature of the automotive market and the different needs of vehicle manufacturers, each manufacturer designs electrical boxes in different forms. However, it is undeniable that with the rapid development of the automotive market, consumers are demanding higher and higher, and more and more functional circuits are required, while the space left for automotive parts is getting smaller and smaller. Small size and multi-function of electrical boxes are the future development trend, while the current electrical boxes are large in size and low in compatibility, which can no longer meet the current market needs. 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 problems of large size and low compatibility of current electrical boxes.

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

[0006] A housing assembly, comprising a cover plate, a first housing and a second housing, wherein the cover plate and the first housing are connected and enclosed to form a first accommodating cavity, and the first housing and the second housing are connected and enclosed to form a second accommodating cavity;

[0007] An electrical component is located in the first accommodating cavity and connected to the first housing;

[0008] A fastener, wherein the number of the fasteners is plural, and the plural fasteners are located in the second accommodating cavity and connected to the second shell;

[0009] A circuit board assembly is located in the second accommodating cavity, the circuit board assembly includes a circuit board body and a busbar connected to the circuit board body, the electrical component is electrically connected to the circuit board body, and the busbar has a first mounting hole;

[0010] A combined fuse, located in the second accommodating cavity and connected to the second housing, the combined fuse comprising a plurality of metal sheets, and the metal sheets having second mounting holes;

[0011] Among them, one of the fasteners is passed through the first mounting hole and connected to the bus bar, and at least one of the other fasteners is passed through the second mounting hole and connected to the plurality of metal sheets.

[0012] Accordingly, an embodiment of the present application provides a vehicle, comprising the above-mentioned electrical box.

[0013] Beneficial effects: The electrical box of the embodiment of the present application includes a housing assembly, an electrical component, a fastener, a circuit board assembly and a combination fuse. The housing assembly includes a cover plate, a first housing and a second housing, the cover plate and the first housing are connected and enclosed to form a first accommodating cavity, and the first housing and the second housing are connected and enclosed to form a second accommodating cavity. The electrical component is located in the first accommodating cavity and connected to the first housing. There are multiple fasteners, and multiple fasteners are located in the second accommodating cavity and connected to the second housing. The circuit board assembly is located in the second accommodating cavity, the circuit board assembly includes a circuit board body and a bus connected to the circuit board body, the electrical component is electrically connected to the circuit board body, and the bus has a first mounting hole. The combination fuse is located in the second accommodating cavity and connected to the second housing, and the combination fuse includes multiple metal sheets, and the metal sheets have a second mounting hole. Among them, one fastener is inserted through the first mounting hole and connected to the bus, and the remaining at least one fastener is inserted through the second mounting hole and connected to multiple metal sheets. By cutting off one metal sheet in the combination fuse, the bus and the combination fuse are powered separately, avoiding the need to open a new combination fuse. With such arrangement, the volume of the electrical appliance box is reduced, the structure is compact, and the compatibility of the electrical appliance box is improved.

[0014] 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

[0015] 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.

[0016] Figure 1 is an exploded view of an electrical box according to an embodiment of the present application;

[0017] Figure 2 is an exploded view of another electrical appliance box according to an embodiment of the present application;

[0018] Figure 3 is a top view of an electrical appliance box according to an embodiment of the present application;

[0019] Figure 4 yes Figure 3AA section view.

[0020] Figure numerals: 1. Shell assembly; 2. Electrical component; 3. Fastener; 4. Circuit board assembly; 5. Combination fuse; 6. Anti-return structure; 10. Cover plate; 11. First shell; 12. Second shell; 13. First accommodating chamber; 14. Second accommodating chamber; 40. Circuit board body; 41. Bus; 42. Terminal; 43. Relay; 50. Metal sheet; 60. Baffle; 61. Extension portion; 100. First labyrinth portion; 110. Limiting portion; 111. Second labyrinth portion; 112. Third labyrinth portion; 120. First main body; 121. Second main body; 122. Main fuse box; 123. Auxiliary fuse box; 124. Fourth labyrinth portion; 410. First mounting hole; 500. Second mounting hole; 1200. Water leakage port; X, first direction; Y, second direction. DETAILED DESCRIPTION

[0021] 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.

[0022] 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.

[0023] 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.

[0024] Due to the overall nature of the automotive market and the different needs of vehicle manufacturers, each manufacturer designs electrical boxes in different forms. However, it is undeniable that with the rapid development of the automotive market, consumers are demanding higher and higher, and more and more functional circuits are required, while the space left for automotive parts is getting smaller and smaller. Small size and multi-function of electrical boxes are the future development trend, while the current electrical boxes are large in size and low in compatibility, which can no longer meet the current market needs.

[0025] In view of this, an embodiment of the present application provides an electrical box, including a housing assembly, an electrical component, a fastener, a circuit board assembly and a combination fuse. The housing assembly includes a cover plate, a first housing and a second housing, the cover plate and the first housing are connected and enclosed to form a first accommodating cavity, and the first housing and the second housing are connected and enclosed to form a second accommodating cavity. The electrical component is located in the first accommodating cavity and connected to the first housing. There are multiple fasteners, and multiple fasteners are located in the second accommodating cavity and connected to the second housing. The circuit board assembly is located in the second accommodating cavity, the circuit board assembly includes a circuit board body and a bus connected to the circuit board body, the electrical component is electrically connected to the circuit board body, and the bus has a first mounting hole. The combination fuse is located in the second accommodating cavity and connected to the second housing, and the combination fuse includes multiple metal sheets, and the metal sheets have a second mounting hole. Among them, one fastener is inserted through the first mounting hole and connected to the bus, and the remaining at least one fastener is inserted through the second mounting hole and connected to multiple metal sheets. By cutting off one metal sheet in the combination fuse, the bus and the combination fuse are powered separately, avoiding the need to open a new combination fuse. With such arrangement, the volume of the electrical appliance box is reduced, the structure is compact, and the compatibility of the electrical appliance box is improved.

[0026] 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.

[0027] Figure 1 It is an exploded view of an electrical appliance box according to an embodiment of the present application. Figure 2 It is an exploded view of another electrical appliance box according to an 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.

[0028] refer to Figure 1The embodiment of the present application provides an electrical box, including a housing assembly 1, an electrical component 2, a fastener 3, a circuit board assembly 4 and a combination fuse 5. The housing assembly 1 includes a cover plate 10, a first housing 11 and a second housing 12. The cover plate 10 and the first housing 11 are connected and enclosed to form a first accommodating cavity 13. The first housing 11 and the second housing 12 are connected and enclosed to form a second accommodating cavity 14. The electrical component 2 is located in the first accommodating cavity 13 and connected to the first housing 11. There are multiple fasteners 3, and multiple fasteners 3 are located in the second accommodating cavity 14 and connected to the second housing 12. The circuit board assembly 4 is located in the second accommodating cavity 14. The circuit board assembly 4 includes a circuit board body 40 and a bus 41 connected to the circuit board body 40. The electrical component 2 is electrically connected to the circuit board body 40, and the bus 41 has a first mounting hole 410. The combination fuse 5 is located in the second accommodating cavity 14 and connected to the second housing 12. The combination fuse 5 includes multiple metal sheets 50, and the metal sheets 50 have a second mounting hole 500. Among them, one fastener 3 is inserted into the first mounting hole 410 and connected to the bus 41, and the remaining at least one fastener 3 is inserted into the second mounting hole 500 and connected to a plurality of metal sheets 50. By cutting off one metal sheet 50 in the combination fuse 5, the bus 41 and the combination fuse 5 are powered separately, avoiding the need to open a new combination fuse 5. With this arrangement, the volume of the electrical box is reduced, the structure is compact, and the compatibility of the electrical box is improved.

[0029] exist Figure 2 In the illustrated embodiment, the number of the first mounting holes 410 is multiple, and at least one fastener 3 is provided through the first mounting hole 410 and the second mounting hole 500 and is connected to the bus 41 and the metal sheet 50 respectively. When the number of the first mounting holes 410 is multiple, the electrical box and the combination fuse 5 can share the same power supply. In this way, by designing different numbers of first mounting holes 410, the power supply mode of the electrical box can be switched to meet the use requirements of switching different power supply circuits, thereby improving the compatibility of the electrical box.

[0030] In the embodiment of the present application, the electrical element 2 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. Reasonable layout of the fuses according to the needs can effectively reduce the size of the electrical box and meet the demand for miniaturization of the electrical box.

[0031] In some embodiments, one of the combination fuse 5 and the second housing 12 is provided with a buckle (not shown), and the other of the combination fuse 5 and the second housing 12 is provided with a slot (not shown), and the buckle and the slot are engaged to connect the combination fuse 5 and the second housing 12. In this way, the combination fuse 5 can be fixed in the second housing 12 through the cooperation of the buckle and the slot, so as to improve the stability and reliability of the combination fuse and reduce the risk of loosening or falling off of the combination fuse due to external vibration or other interference.

[0032] exist Figure 1 and Figure 2 In the illustrated embodiment, the circuit board assembly 4 includes a terminal 42 and a relay 43, the terminal 42 and the relay 43 are respectively connected to the circuit board body 40, the terminal 42 is respectively connected to the first housing 11 and the second housing 12, and the bus 41 is electrically connected to the terminal 42 and the relay 43 through the circuit board body 40. The relay 43 plays the role of circuit switching and can guide the current to different circuits. The terminal 42 is used for electrical connection of the circuit. In the embodiment of the present application, the bus 41, the circuit board body 40, the terminal 42 and the relay 43 are welded by soldering. The solder connection can ensure a relatively firm electrical connection, thereby improving the reliability and stability of the circuit, ensuring that the current can be transmitted normally, and reducing the undesirable phenomenon of electrical contact.

[0033] exist Figure 1 and Figure 2 In the illustrated embodiment, the second housing 12 includes a first body 120 and a second body 121 connected to each other, the circuit board body 40 is located between the first housing 11 and the first body 120 and connected to the first housing 11 and the first body 120 respectively, a plurality of fasteners 3 are arranged at intervals on the second body 121 along the first direction X, the bus 41 is fixedly connected to the second body 121 by at least one fastener 3, and the combination fuse 5 is fixedly connected to the second body 121. The first body 120, the circuit board assembly 4, and the first housing 11 enclose a main fuse box 122, and the second body 121 and the first housing 11 enclose an auxiliary fuse box 123. The split design of the main fuse box 122 and the auxiliary fuse box 123 can ensure that the entire electrical box has good heat dissipation performance.

[0034] In the embodiment of the present application, the shell assembly 1 is made of plastic, which has the advantages of light weight, chemical stability, no rust, good impact resistance, good wear resistance, good insulation, low thermal conductivity, and low processing cost.

[0035] exist Figure 3 and Figure 4In the illustrated embodiment, the first body 120 has a plurality of water leakage openings 1200, which are arranged through the first body 120, and the electrical box includes a plurality of non-return structures 6, one non-return structure 6 correspondingly covers one water leakage opening 1200. The plurality of water leakage openings 1200 provided in the first body 120 can discharge the liquid in the electrical box, thereby ensuring the waterproof performance of the electrical box. By providing the non-return structure 6, one-way drainage can be achieved, and water splashing from the bottom of the electrical box can be prevented from entering the interior of the electrical box, thereby further improving the waterproof performance of the electrical box. The non-return structure 6 includes a baffle 60 and a plurality of extensions 61, the plurality of extensions 61 are respectively connected to the first body 120 and extended in a direction away from the water leakage opening 1200, the plurality of extensions 61 are connected to the baffle 60 on one side away from the first body 120, the orthographic projection of the water leakage opening 1200 along the second direction Y covers the orthographic projection of the baffle 60 along the second direction Y, the second direction Y is the thickness direction of the first body 120, and the second direction Y is perpendicular to the first direction X. In this configuration, the plurality of extension portions 61 are spaced apart to form a gap 62 , so that the liquid in the electrical box can be discharged through the water leakage port 1200 and the gap 62 , thereby ensuring the waterproof performance of the electrical box.

[0036] exist Figure 1 and Figure 2 In the illustrated embodiment, the first housing 11 is provided with a plurality of limiting portions 110, the limiting portions 110 are provided on the side of the first housing 11 facing the second housing 12, the electrical component 2 is detachably connected to the limiting portions 110, and the electrical component 2 is electrically connected to the circuit board body 40 through the terminal 42. Specifically, the limiting portion 110 may be a socket, the electrical component 2 is plugged into the socket by press assembly, and is electrically connected to the circuit board body 40 through the terminal 42.

[0037] exist Figure 3 and Figure 4 In the embodiment shown, the cover plate 10 is sealed to the first shell 11, and the first shell 11 is sealed to the second shell 12. Figure 3 In the illustrated embodiment, the cover plate 10 is provided with a first labyrinth portion 100, the first housing 11 includes a second labyrinth portion 111 and a third labyrinth portion 112, the second housing 12 includes a fourth labyrinth portion 124, the first labyrinth portion 100 and the second labyrinth portion 111 are connected to seal the cover plate 10 and the first housing 11, and the third labyrinth portion 112 and the fourth labyrinth portion 124 are connected to seal the first housing 11 and the second housing 12. In this arrangement, the sealing between the cover plate 10 and the first housing 11 is improved by providing the connected first labyrinth portion 100 and the second labyrinth portion 111, and the sealing between the first housing 11 and the second housing 12 is improved by providing the connected third labyrinth portion 112 and the fourth labyrinth portion 124, thereby meeting the waterproof and dustproof requirements for the electrical box.

[0038] The embodiment of the present application 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 described in detail 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 housing assembly (1) comprises a cover plate (10), a first housing (11) and a second housing (12), wherein the cover plate (10) and the first housing (11) are connected and enclosed to form a first accommodating cavity (13), and the first housing (11) and the second housing (12) are connected and enclosed to form a second accommodating cavity (14); An electrical component (2) located in the first accommodating cavity (13) and connected to the first housing (11); A fastener (3), wherein the number of the fasteners (3) is plural, and the plural fasteners (3) are located in the second accommodating cavity (14) and connected to the second shell (12); A circuit board assembly (4) is located in the second accommodating cavity (14), the circuit board assembly (4) comprising a circuit board body (40) and a bus bar (41) connected to the circuit board body (40), the electrical component (2) is electrically connected to the circuit board body (40), and the bus bar (41) has a first mounting hole (410); A combined fuse (5), located in the second accommodating cavity (14) and connected to the second housing (12), the combined fuse (5) comprising a plurality of metal sheets (50), the metal sheets (50) having second mounting holes (500); Among them, one of the fasteners (3) is inserted into the first mounting hole (410) and connected to the busbar (41), and at least one of the other fasteners (3) is inserted into the second mounting hole (500) and connected to a plurality of the metal sheets (50).

2. The electrical box according to claim 1, characterized in that: The number of the first mounting holes (410) is plural, and at least one of the fasteners (3) is passed through the first mounting hole (410) and the second mounting hole (500) and is respectively connected to the busbar (41) and the metal sheet (50).

3. The electrical box according to any one of claims 1 or 2, characterized in that: One of the combination fuse (5) and the second housing (12) is provided with a buckle, and the other of the combination fuse (5) and the second housing (12) is provided with a slot, and the buckle is engaged with the slot to connect the combination fuse (5) and the second housing (12).

4. The electrical box according to any one of claims 1 or 2, characterized in that: The circuit board assembly (4) comprises a terminal (42) and a relay (43), wherein the terminal (42) and the relay (43) are respectively connected to the circuit board body (40), the terminal (42) is respectively connected to the first shell (11) and the second shell (12), and the busbar (41) is electrically connected to the terminal (42) and the relay (43) through the circuit board body (40).

5. The electrical box according to claim 4, characterized in that: The second shell (12) comprises a first body (120) and a second body (121) connected to each other; the circuit board body (40) is located between the first shell (11) and the first body (120) and is respectively connected to the first shell (11) and the first body (120); a plurality of fasteners (3) are arranged on the second body (121) at intervals along a first direction (X); the busbar (41) is fixedly connected to the second body (121) via at least one fastener (3); and the combination fuse (5) is fixedly connected to the second body (121).

6. The electrical box according to claim 5, characterized in that: The first main body (120) has a plurality of water leakage openings (1200), and the water leakage openings (1200) are arranged through the first main body (120). The electrical box includes a plurality of non-return structures (6), and one of the non-return structures (6) is correspondingly covered on one of the water leakage openings (1200).

7. The electrical box according to claim 4, characterized in that: The first shell (11) is provided with a plurality of limiting portions (110), wherein the limiting portions (110) are arranged on a side of the first shell (11) facing the second shell (12), and the electrical component (2) is detachably connected to the limiting portions (110), and the electrical component (2) is electrically connected to the circuit board body (40) via the terminal (42).

8. The electrical box according to claim 1, characterized in that: The cover plate (10) and the first shell (11) are sealed and connected, and the first shell (11) and the second shell (12) are sealed and connected.

9. The electrical box according to claim 8, characterized in that: The cover plate (10) is provided with a first labyrinth portion (100), the first shell (11) includes a second labyrinth portion (111) and a third labyrinth portion (112), the second shell (12) includes a fourth labyrinth portion (124), the first labyrinth portion (100) and the second labyrinth portion (111) are connected to seal the cover plate (10) and the first shell (11), and the third labyrinth portion (112) and the fourth labyrinth portion (124) are connected to seal the first shell (11) and the second shell (12).

10. A vehicle, characterized in that: It comprises an electrical box as described in any one of claims 1 to 9.

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