Vehicle-mounted fireproof heat-dissipation electronic component aluminum box

Abstract

The utility model discloses a vehicle-mounted fireproof heat-dissipation electronic component aluminum box, which comprises a shell formed by die-casting an aluminum plate, an assembly cavity is formed in the shell, and the front side and the rear side of the shell are respectively sealed by a front sealing plate and a rear sealing plate; the inner side of the front sealing plate is in bolted connection with a drawable device base, and the top surface of the base is provided with a PCB assembly part; a plurality of connecting rods are welded on the rear sealing plate, penetrate through the assembly cavity and are locked with the front sealing plate through threads, so that the two sides of the shell are fastened and sealed. The bottom surface of the housing is provided with a positioning projection guide part which is in sliding fit with a positioning groove of a device pedestal, and the rear sealing plate is provided with a positioning column which is inserted into a positioning hole of the pedestal, thereby forming a slide rail type plugging structure, and guaranteeing the installation precision. The aluminum shell has high strength, flame retardance and heat conductivity, and heat dissipation holes are formed in the top face to accelerate heat exchange; the drawer-type base and the connecting rod are designed to be disassembled quickly, maintenance is convenient, and internal and external wiring ports are aligned accurately. The utility model solves the problems that the traditional plastic box is easy to break and poor in heat dissipation, and obviously improves the stability and service life of the vehicle-mounted electronic component.

Description

Technical Field

[0001] This utility model relates to the field of electronic component box technology, and in particular to a vehicle-mounted fireproof and heat-dissipating aluminum box for electronic components. Background Technology

[0002] The vehicle's electronic component box is an important part of the automotive electrical system, often referred to as the automotive power distribution box or central electrical box, also known as the CE Box. It plays a central hub role in the automotive electrical system, responsible for power distribution, protection, and scheduling, ensuring that all electrical systems within the vehicle receive adequate power supply and protection.

[0003] For example, the abandoned vehicle electrical box with application number "CN200920188591.4" and patent name "A Car Electrical Box" includes an electrical box body and a lower cover. The electrical box body is equipped with a power interface, a fuse, and a relay, and is snapped into the lower cover. It features a compact structure, simple assembly, safety, and reliability, and can meet the needs of various vehicle models.

[0004] However, this type of automotive electrical box has the following drawbacks: the box body is made of molded plastic, resulting in weak structural strength and a tendency to break after prolonged use. Additionally, its poor heat dissipation leads to a short lifespan for the internal electronic components. Utility Model Content

[0005] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a vehicle-mounted fireproof and heat-dissipating aluminum box for electronic components. By using an aluminum box structure, the overall structural strength is improved, providing a more stable operating environment for the internal electronic components and improving the heat dissipation performance of the electronic component box.

[0006] To achieve the above objectives, the technical solution adopted by this utility model is as follows: a vehicle-mounted fireproof and heat-dissipating aluminum box for electronic components, including an outer shell made of die-cast aluminum plate. The inner side of the outer shell is bent to form an assembly cavity. The front and rear sides of the outer shell are open and are respectively covered by a front sealing plate and a rear sealing plate. A device base is connected to the inner side of the front sealing plate. The device base is fixedly connected to the front sealing plate by bolts. The top surface of the device base is provided with an assembly part for assembling a PCB board. The device base is movably inserted into the assembly cavity of the outer shell. Multiple connecting rods are welded to the inner side of the rear sealing plate. Each connecting rod passes through the assembly cavity and is connected to the front sealing plate. The front sealing plate and the rear sealing plate are fastened together by the connecting rods and are respectively assembled to the two openings on both sides of the outer shell, and clamping the two sides of the device base.

[0007] In a further technical solution, the front opening of the outer shell is formed with multiple through rods, each through rod is bent inward and has a through hole, and each connecting rod passes through the corresponding through hole.

[0008] In a further technical solution, the front cover plate has multiple connection holes. When the front cover plate is assembled into the outer shell, each connection hole is aligned with the corresponding through hole. The connecting rods are respectively inserted into the corresponding connection holes and protrude from the outer side of the front cover plate. The protruding part is formed with an external thread, and the external thread is threaded with a locking nut.

[0009] In a further technical solution, the bottom surface of the assembly cavity is die-cast with multiple positioning protrusions, which are distributed on both sides of the assembly cavity. The positioning protrusions on the same side are arranged in a straight line along the front-back direction and form a guide part. Positioning grooves are opened on both sides of the bottom surface of the device base, and the positioning grooves on both sides are slidably assembled with the corresponding guide parts.

[0010] In a further technical solution, a positioning hole is provided on the side of the device base near the rear cover plate; corresponding positioning posts are die-cast on the inner side of the rear cover plate, and each positioning post is inserted into the corresponding positioning hole.

[0011] In a further technical solution, a closed limiting protrusion is die-cast at the edge of the rear sealing plate. The limiting protrusion matches the opening of the outer shell and is engaged with the corresponding opening of the outer shell.

[0012] In a further technical solution, an external wiring port is provided on the side of the casing.

[0013] In a further technical solution, the left and right sides of the device base are respectively provided with limiting baffles, the limiting baffles protrude from the top surface of the device base, and one of the limiting baffles has an inner wiring port. When the device base is installed in the assembly cavity, the inner wiring port and the outer wiring port are aligned.

[0014] In a further technical solution, multiple heat dissipation holes are provided on the top surface of the casing.

[0015] The advantages of this invention compared to the prior art after adopting the above structure are:

[0016] 1. The outer shell is made of die-cast aluminum sheet, which greatly improves mechanical strength compared to traditional plastic boxes and avoids the risk of breakage caused by long-term vibration; aluminum itself has good flame-retardant properties, and combined with the all-metal enclosed structure, it effectively improves fire safety in the vehicle environment; the aluminum shell has excellent thermal conductivity, which can quickly dissipate heat from the PCB board; multiple heat dissipation holes are opened on the top surface to accelerate internal air circulation and prevent heat accumulation.

[0017] 2. The front and rear sealing plates are connected by a connecting rod that passes through the assembly cavity. Quick disassembly and assembly are achieved by using a locking nut. The drawer-type assembly of the component base facilitates the maintenance and repair of the internal component base.

[0018] 3. The device base and housing are positioned and installed using positioning protrusions, positioning grooves, positioning posts and positioning holes. The plug-in sliding rail design ensures installation accuracy and supports plug-in assembly, reducing assembly difficulty. Attached Figure Description

[0019] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0020] Figure 1 This is a schematic diagram of the structure of this utility model.

[0021] Figure 2 This is an exploded view of the present invention.

[0022] Figure 3 This is a schematic diagram of the outer shell of this utility model.

[0023] Figure 4 This is a schematic diagram of the structure of the rear sealing plate in this utility model.

[0024] Figure 5 This is a schematic diagram of the structure of the device base in this utility model. Detailed Implementation

[0025] The following are merely preferred embodiments of the present invention and do not limit the scope of protection of the present invention.

[0026] like Figures 1 to 5 As shown, a vehicle-mounted fireproof and heat-dissipating aluminum box for electronic components includes an outer shell 1, which is made of die-cast aluminum sheet. The inner side of the outer shell 1 is bent to form an assembly cavity 10. The front and rear sides of the outer shell 1 are open and are respectively covered by a front sealing plate 2 and a rear sealing plate 3. A device base 4 is connected to the inner side of the front sealing plate 2. The device base 4 is fixedly connected to the front sealing plate 2 by bolts. The top surface of the device base 4 is provided with an assembly part for assembling a PCB board 5. The device base 4 is movably inserted into the assembly cavity 10 of the outer shell 1. Multiple connecting rods 31 are welded to the inner side of the rear sealing plate 3. Each connecting rod 31 passes through the assembly cavity 10 and is connected to the front sealing plate 2. The front sealing plate 2 and the rear sealing plate 3 are fastened together by the connecting rods 31 and are respectively assembled to the two openings on both sides of the outer shell 1, and clamping the two sides of the device base 4. Multiple heat dissipation holes 14 are opened on the top surface of the outer shell 1.

[0027] The outer shell 1 is made of die-cast aluminum sheet, which greatly improves mechanical strength compared with traditional plastic boxes and avoids the risk of breakage caused by long-term vibration. Aluminum itself has good flame-retardant properties, and combined with the all-metal enclosed structure, it effectively improves fire safety in the vehicle environment. The aluminum shell has excellent thermal conductivity, which can quickly dissipate heat from the PCB board 5. Multiple heat dissipation holes 14 are opened on the top surface to accelerate internal air circulation and prevent heat accumulation.

[0028] Specifically, the front opening of the outer casing 1 has a plurality of rod-through portions 11 formed therein, each rod-through portion 11 is bent inward and has a through hole, and each connecting rod 31 is respectively inserted into the corresponding through hole.

[0029] The front and rear sealing plates are connected by a connecting rod that passes through the assembly cavity 10. Quick disassembly and assembly are achieved by combining the locking nut 312. The drawer-type assembly of the component base 4 facilitates the maintenance and repair of the internal component base 4.

[0030] Specifically, the front cover plate 2 has multiple connecting holes 20. When the front cover plate 2 is assembled on the outer shell 1, each connecting hole 20 is aligned with the corresponding through hole. The connecting rod 31 passes through the corresponding connecting hole 20 and protrudes from the outer side of the front cover plate 2. The protruding part is formed with an external thread 311, and the external thread 311 is threadedly connected to a locking nut 312.

[0031] Specifically, the bottom surface of the assembly cavity 10 is die-cast with multiple positioning protrusions 12, which are distributed on both sides of the assembly cavity 10. The positioning protrusions 12 on the same side are arranged in a straight line along the front and back direction and are arranged to form a guide part. The bottom surface of the device base 4 is provided with positioning grooves 42 on both sides, and the positioning grooves 42 on both sides are slidably assembled with the corresponding guide parts.

[0032] Specifically, the device base 4 has a positioning hole 43 on the side near the rear cover plate 3; the inner side of the rear cover plate 3 is die-cast with corresponding positioning posts 33, and each positioning post 33 is inserted into the corresponding positioning hole 43.

[0033] The device base 4 and the outer shell 1 are positioned and installed by using positioning protrusions 12, positioning grooves 42, positioning posts 33 and positioning holes 43. The plug-in sliding rail design ensures installation accuracy and supports plug-in assembly, reducing assembly difficulty.

[0034] Specifically, a closed limiting protrusion ring 32 is die-cast at the edge of the rear sealing plate 3. The limiting protrusion ring 32 matches the opening of the outer shell 1 and is engaged in the corresponding opening of the outer shell 1.

[0035] Specifically, an external connection port 13 is provided on the side of the outer casing 1.

[0036] Specifically, the device base 4 is provided with limiting baffles 41 on the left and right sides respectively. The limiting baffles protrude from the top surface of the device base 4. One of the limiting baffles 41 has an inner wiring port 410. When the device base 4 is installed in the assembly cavity 10, the inner wiring port 410 and the outer wiring port 13 are aligned.

[0037] The above description is only a preferred embodiment of this utility model. For those skilled in the art, there will be changes in the specific implementation method and application scope based on the idea of ​​this utility model. The content of this specification should not be construed as a limitation of this utility model.

Claims

1. A vehicle-mounted fireproof and heat-dissipating aluminum box for electronic components, characterized in that: Includes an outer shell (1), which is made of die-cast aluminum sheet. The inner part of the outer shell (1) is bent to form an assembly cavity (10). The front and rear sides of the outer shell (1) are open and are respectively covered by a front sealing plate (2) and a rear sealing plate (3). Among them, a device base (4) is connected to the inner side of the front cover plate (2). The device base (4) is fixedly connected to the front cover plate (2) by bolts. The top surface of the device base (4) is provided with an assembly part for assembling the PCB board (5). The device base (4) is movably inserted into the assembly cavity (10) of the outer shell (1). Multiple connecting rods (31) are welded to the inner side of the rear sealing plate (3). Each connecting rod (31) passes through the assembly cavity (10) and is connected to the front sealing plate (2). The front sealing plate (2) and the rear sealing plate (3) are fastened together by each connecting rod (31) and are respectively assembled to the two openings of the outer shell (1) and clamped to the two sides of the device base (4).

2. The vehicle-mounted fireproof and heat-dissipating aluminum box for electronic components according to claim 1, characterized in that: The front opening of the outer shell (1) is formed with a plurality of rod-through parts (11), each rod-through part (11) is bent inward and has a through hole, and each connecting rod (31) is inserted into the corresponding through hole.

3. The vehicle-mounted fireproof and heat-dissipating aluminum box for electronic components according to claim 2, characterized in that: The front cover plate (2) has multiple connecting holes (20). When the front cover plate (2) is assembled into the outer shell (1), each connecting hole (20) is aligned with the corresponding through hole. The connecting rod (31) passes through the corresponding connecting hole (20) and protrudes from the outer side of the front cover plate (2). The protruding part is formed with an external thread (311), and the external thread (311) is threadedly connected to a locking nut (312).

4. The vehicle-mounted fireproof and heat-dissipating aluminum box for electronic components according to claim 3, characterized in that: The bottom surface of the assembly cavity (10) is die-cast with multiple positioning protrusions (12). The positioning protrusions (12) are distributed on both sides of the assembly cavity (10). The positioning protrusions (12) on the same side are arranged in a straight line along the front and back direction and are arranged to form a guide part. The bottom surface of the device base (4) is provided with positioning grooves (42) on both sides. The positioning grooves (42) on both sides are slidably assembled on the corresponding guide parts.

5. The vehicle-mounted fireproof and heat-dissipating aluminum box for electronic components according to claim 4, characterized in that: The device base (4) has a positioning hole (43) on the side near the rear cover plate (3); the inner side of the rear cover plate (3) is die-cast with corresponding positioning posts (33), and each positioning post (33) is inserted into the corresponding positioning hole (43).

6. The vehicle-mounted fireproof and heat-dissipating aluminum box for electronic components according to claim 5, characterized in that: The edge of the rear sealing plate (3) is die-cast with a closed limiting protrusion ring (32), which matches the opening of the outer shell (1) and is engaged in the corresponding opening of the outer shell (1).

7. The vehicle-mounted fireproof and heat-dissipating aluminum box for electronic components according to claim 1, characterized in that: An external wiring port (13) is provided on the side of the outer casing (1).

8. The vehicle-mounted fireproof and heat-dissipating aluminum box for electronic components according to claim 7, characterized in that: The device base (4) is provided with limiting baffles (41) on the left and right sides respectively. The limiting baffles protrude from the top surface of the device base (4). One of the limiting baffles (41) has an inner wiring port (410). When the device base (4) is installed in the assembly cavity (10), the inner wiring port (410) and the outer wiring port (13) are aligned.

9. The vehicle-mounted fireproof and heat-dissipating aluminum box for electronic components according to claim 1, characterized in that: The top surface of the outer casing (1) is provided with a plurality of heat dissipation holes (14).

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