CN218072260U - Vehicle-mounted cabinet and vehicle-mounted control system - Google Patents

Abstract

The utility model relates to the technical field of vehicle-mounted equipment, and provides a vehicle-mounted cabinet and a vehicle-mounted control system, wherein the vehicle-mounted cabinet comprises a cabinet body, a front door and a top cover, an installation cavity is arranged in the cabinet body, the top of the installation cavity is used for installing a heat dissipation device, the cabinet body comprises a top plate, an air outlet is formed in the top plate, a fan cover is arranged around the air outlet at the inner side of the top plate, the lower end of the fan cover is used for covering an air outlet area of the heat dissipation device, and the cabinet body is also provided with a front side opening; the front door is arranged at the front side of the cabinet body and used for opening or closing a front side opening, and a shutter with a downward opening is arranged on the outer side of the lower part of the front door; the top cap is installed in the top of the cabinet body and covers the roof, and the interval sets up between top cap and the roof. The utility model discloses an on-vehicle rack, through setting up top cap, roof and fan housing, roof and top cap combination form top ventilation structure, and whole wind channel is unobstructed, and it is waterproof to ventilate, avoids protrusion in on-vehicle rack top moreover, realizes both satisfying on-vehicle environment installation space requirement, satisfies ventilation cooling and waterproof requirement again.

Description

Vehicle-mounted cabinet and vehicle-mounted control system

Technical Field

The utility model relates to an mobile unit technical field especially relates to an on-vehicle rack and vehicle control system.

Background

At present, the environmental requirements for vehicle-mounted equipment on vehicles such as trains and the like are higher and higher, and the protection level requirements for the vehicle-mounted equipment are higher and higher. Meanwhile, due to the application environment of the vehicle-mounted equipment, high requirements for field installation space and heat dissipation are met. In order to meet the requirements of field installation space and integral heat dissipation, the existing vehicle-mounted equipment generally adopts a frame installation form, but the integral protection effect is limited, and the requirement of protection grade cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model provides an on-vehicle rack and vehicle control system for solve current mobile unit and use the limited defect of the whole protective effect of rack-mount form, realize both satisfying vehicle-mounted environment installation space requirement, satisfy the on-vehicle rack and the vehicle control system that the heat dissipation required again.

The utility model provides an on-vehicle rack, include:

the refrigerator comprises a cabinet body, a cabinet body and a heat dissipation device, wherein an installation cavity is formed in the cabinet body, the top of the installation cavity is used for installing the heat dissipation device, the heat dissipation device is provided with an air outlet area, the cabinet body comprises a top plate, an air outlet is formed in the top plate, a fan cover is arranged on the inner side of the top plate and surrounds the air outlet, the lower end of the fan cover is used for covering the air outlet area, and the cabinet body is further provided with a front side opening;

the front door is mounted on the front side of the cabinet body and used for opening or closing the front side opening, and a shutter with a downward opening is arranged on the outer side of the lower part of the front door;

the top cover is installed on the top of the cabinet body and covers the top plate, and the top cover and the top plate are arranged at intervals.

According to the utility model provides an on-vehicle rack, the first side epirelief of top cap is provided with first manger plate edge, first manger plate along around forming the adaptation in the profile of air outlet, just first manger plate is greater than along the profile size who centers on the profile size of air outlet.

According to the utility model provides an on-vehicle rack, the edge all around of roof is followed around being provided with roof manger plate, roof manger plate is along the orientation deviating from of roof one side protrusion of fan housing, the roof manger plate is greater than along the contour dimension who centers on first manger plate is along the contour dimension who centers on.

According to the utility model provides an on-vehicle rack, the edge all around of top cap is followed around being provided with the second manger plate, the orientation is followed to the second manger plate the first side protrusion of top cap, the second manger plate is greater than along the contour dimension who centers on the contour dimension of roof.

According to the utility model provides a vehicle-mounted cabinet, the vehicle-mounted cabinet still includes the connecting piece, one end of connecting piece is connected in the first side of top cap, the other end of connecting piece is provided with spacing portion, spacing portion is used for the butt joint in the side that deviates from the fan housing of roof; the distance from the limiting part to the end part of the connecting piece connected with the top cover is greater than the height of the first water retaining edge.

According to the utility model provides a vehicle-mounted cabinet, the vehicle-mounted cabinet also comprises a dustproof filter piece which is arranged at the inner side of the front door and covers the air inlet area of the shutter; the dustproof filter piece is further arranged on the top plate and covers the air outlet.

According to the utility model provides a vehicle-mounted cabinet, the vehicle-mounted cabinet also comprises a crimping piece, the crimping piece is fixedly connected to the inner side of the front door, and the dustproof filtering piece is tightly pressed and fixed on the front door; the compression joint piece is fixedly connected to the top plate and compresses and fixes the dustproof filter piece on the top plate.

According to the utility model provides an on-vehicle rack, on-vehicle rack still includes waterproof sealing member, waterproof sealing member set up in crimping piece with between the qianmen crimping piece with between the roof and the qianmen with between the cabinet body.

According to the utility model provides an on-vehicle rack, first heat abstractor cartridge position, at least one first subrack cartridge position, second heat abstractor cartridge position, second subrack cartridge position and coupling assembling cartridge position have set gradually in the installation cavity from top to bottom, the dimension of height in second subrack cartridge position is greater than the dimension of height in first subrack cartridge position.

The utility model also provides an on-vehicle control system, including subrack, heat abstractor and as above-mentioned arbitrary on-vehicle rack, the subrack with heat abstractor all install in the on-vehicle rack.

The utility model provides a vehicle-mounted cabinet and vehicle-mounted control system, through set up the downward shutter of opening in the front door outside, realize the ventilation of air inlet structure and prevent water, through cover set up the top cap above the roof, realize the ventilation of air-out structure and prevent water; the fan cover is arranged on the inner side of the top plate, so that heat dissipation is facilitated, the whole air channel is smooth, and the heat dissipation efficiency is improved; meanwhile, the top plate and the top cover are mutually matched to realize ventilation and water prevention, and are combined to form a top ventilation structure of the vehicle-mounted cabinet, and the top ventilation structure can be prevented from protruding out of the top of the vehicle-mounted cabinet, so that the overall size of the vehicle-mounted cabinet is smaller, and the requirement on space in a vehicle can be met; the utility model discloses an on-vehicle rack had both satisfied on-vehicle environment installation space requirement, satisfied ventilation cooling and waterproof requirement again, effectively solved current mobile unit and used the limited defect of the whole protective effect of rack-mount form.

Drawings

In order to more clearly illustrate the technical solutions of the present invention or the prior art, the following briefly introduces the drawings required for the embodiments or the prior art descriptions, and obviously, the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a front view of an on-board control system provided by the present invention;

fig. 2 is a left side view of the vehicle-mounted control system provided by the present invention;

FIG. 3 is a front view of the front door provided by the present invention;

FIG. 4 is a rear view of a front door provided by the present invention;

fig. 5 is a top view of the top plate provided by the present invention;

fig. 6 is one of the cross-sectional views of the top plate provided by the present invention;

fig. 7 is a second cross-sectional view of the top plate provided by the present invention;

fig. 8 is a front view of the top cover and top plate assembly provided by the present invention;

fig. 9 is a bottom view of the top cover and top plate assembly provided by the present invention;

fig. 10 is a cross-sectional view of the top cover and top plate assembly provided by the present invention;

fig. 11 is a front view of the top cover provided by the present invention;

fig. 12 is a bottom view of the top cover provided by the present invention;

fig. 13 is a cross-sectional view of a top cover provided by the present invention;

fig. 14 is a top view of the heat dissipation device of the present invention

Fig. 15 is a front view of a first receptacle provided by the present invention;

fig. 16 is a left side view of the first plug box provided by the present invention

Fig. 17 is a front view of a second subrack provided by the present invention;

fig. 18 is a left side view of a second subrack provided by the present invention.

Reference numerals:

1: a cabinet body; 2: a front door; 3: a top cover; 4: a connecting member; 5: a dust-proof filter member; 6: a crimping member;

11: a top plate; 12: a fan housing; 21: a blind window; 31: a first water retaining edge; 32: a second water retaining edge; 41: a limiting part;

111: an air outlet; 112: a top plate water retaining edge;

200: a heat sink; 201: a first heat sink; 202: a second heat sink; 300: inserting a box; 301: a first subrack; 302: a second subrack; 400: a connector assembly.

Detailed Description

To make the objects, technical solutions and advantages of the present invention clearer, the drawings of the present invention are combined to clearly and completely describe the technical solutions of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the embodiments of the present invention, it should be noted that the terms "first" and "second" are used for clearly indicating the numbering of the product parts and do not represent any substantial difference unless explicitly stated or limited otherwise. "upper", "lower", "left", "right", and the like are used only to indicate relative positional relationships, and when the absolute position of the object to be described is changed, the relative positional relationships may also be changed accordingly. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

It is to be understood that, unless otherwise expressly specified or limited, the term "coupled" is used broadly, and may, for example, refer to directly coupled devices or indirectly coupled devices through intervening media. The specific meaning of the above terms in the embodiments of the present invention can be understood in specific cases by those skilled in the art.

The following describes the vehicle-mounted cabinet and the vehicle-mounted control system of the present invention with reference to fig. 1 to 18.

As shown in fig. 1 to 10, the utility model provides a vehicle-mounted cabinet, which comprises a cabinet body 1, a front door 2 and a top cover 3, wherein the cabinet body 1 is internally provided with an installation cavity, the top of the installation cavity is used for installing a heat dissipation device 200, and as shown in fig. 14, the heat dissipation device 200 is provided with an air outlet area; as shown in fig. 5, 6 and 7, the cabinet 1 includes a top plate 11, an air outlet 111 is formed on the top plate 11, a fan housing 12 is disposed around the air outlet 111 inside the top plate 11, and a lower end of the fan housing 12 is used for covering an air outlet area of the heat sink 200; as shown in fig. 1, the cabinet 1 further has a front side opening, as shown in fig. 3 and 4, the front door 2 is mounted at the front side of the cabinet 1 and is used for opening or closing the front side opening of the cabinet 1, and a blind 21 with a downward opening is arranged at the outer side of the lower part of the front door 2; as shown in fig. 1, 2, 8 and 10, the top cover 3 is mounted on the top of the cabinet 1 and covers the top plate 11, and the top cover 3 and the top plate 11 are spaced apart from each other.

In this embodiment, the overall heat dissipation of the vehicle-mounted cabinet adopts an air-cooled heat dissipation mode, the front side opening of the cabinet body 1 is communicated with the installation cavity, the heat dissipation device 200 can be disassembled and assembled at the top in the installation cavity through the front side opening in a state that the front door 2 is opened, and the heat dissipation device 200 is used for driving air in the installation cavity to flow; when the front door 2 is closed and the front side is opened, the louver 21 of the front door 2 is communicated with the mounting cavity, external air flow can enter the mounting cavity from the louver 21 on the outer side of the lower part of the front door 2, and if moisture is carried in the air flow, the moisture can be blocked by the louver 21; meanwhile, because the opening of the shutter 21 is downward, water flow can flow out of the vehicle-mounted cabinet along the downward opening, and a waterproof effect is achieved.

The air outlet 111 on the top plate 11 is communicated with the mounting cavity, the inner side of the top plate 11 refers to one side of the top plate 11 facing into the mounting cavity, and the mounting cavity of the cabinet body 1 is used for supplying air through the shutter 21 of the front door 2 and discharging air through the air outlet 111 on the top plate 11; the fan cover 12 comprises a plurality of wind deflectors, one ends of the wind deflectors are connected to the edge of the air outlet 111 on the inner side of the top plate 11, the other ends of the wind deflectors extend towards the inside of the mounting cavity, the plurality of wind deflectors are arranged around the air outlet 111 and are sequentially connected with one another so as to form the fan cover 12 with an open lower end, and the lower end of the fan cover 12 is the end far away from the top plate 11; the air outlet 111 is located at a position corresponding to the air outlet area of the heat dissipation device 200, the lower end of the fan housing 12 is adapted to cover the air outlet area of the heat dissipation device 200, the air outlet area of the heat dissipation device 200 can be correspondingly communicated with the air outlet 111 of the top plate 11, so that the air flow blown out from the heat dissipation device 200 can be blown out of the installation cavity through the air outlet 111, thereby preventing the hot air from flowing back and facilitating heat dissipation.

The top cover 3 covers the top of the top plate 11, shields the air outlet 111 on the top plate 11, prevents moisture from falling into the air outlet 111, and plays a role in water prevention; meanwhile, the top cover 3 and the top plate 11 are spaced, a ventilation gap is formed between the top cover 3 and the top plate 11, the air outlet 111 is communicated with the outside of the vehicle-mounted cabinet through the ventilation gap, and the top plate 11 and the top cover 3 are combined to form a top ventilation structure.

When the vehicle-mounted cabinet is used, external air flows enter the mounting cavity from the blind window 21 on the outer side of the lower part of the front door 2, flows from bottom to top in the mounting cavity, firstly passes through the air cover 12, then flows out of the mounting cavity through the air outlet 111, and then flows out of the vehicle-mounted cabinet through the ventilation gap between the top cover 3 and the top plate 11, so that a complete ventilation air channel is formed.

The vehicle-mounted cabinet realizes ventilation and water resistance of the air inlet structure by arranging the shutter 21 with the downward opening at the outer side of the front door 2, and realizes ventilation and water resistance of the air outlet structure by covering the top cover 3 above the top plate 11; the fan cover 12 is arranged on the inner side of the top plate 11, so that heat dissipation is facilitated, the whole air channel is smooth, and the heat dissipation efficiency is improved; simultaneously roof 11 mutually supports with the structure of top cap 3, realizes ventilating and waterproof, and the combination forms on-vehicle rack top ventilation structure, and this top ventilation structure can avoid protrusion in on-vehicle rack top for on-vehicle rack overall dimension is littleer, is favorable to satisfying the interior space requirement of car. The utility model discloses an on-vehicle rack had both satisfied on-vehicle environment installation space requirement, satisfied ventilation cooling and waterproof requirement again, effectively solved current mobile unit and used the limited defect of the whole protective effect of rack-mount form.

Specifically, the overall size of the vehicle-mounted cabinet is matched with the size of the mounting space in the vehicle.

Specifically, the shape and size of the upper end of the fan housing 12 are adapted to the shape and size of the air outlet 111, and the shape and size of the lower end of the fan housing 12 are adapted to the shape and size of the air outlet area of the heat sink 200.

The shape and size of the outlet 111 may be the same as or different from those of the outlet area of the heat sink 200.

In one embodiment, as shown in fig. 7 and 10, the size of the air outlet 111 is smaller than the size of the air outlet area of the heat sink 200, and the size of the lower end of the fan housing 12 is larger than the size of the upper end, so that the cross-sectional shape of the fan housing 12 is trapezoidal. The lower end of the hood 12 abuts against the heat sink 200.

In one embodiment, the cabinet 1 further includes a frame body, the frame body has a cavity therein, the front side of the frame body has a front side opening, the top of the frame body has a top opening, the top plate 11 is connected to the top of the frame body and closes the top opening, and the top plate 11 and the frame body enclose an installation cavity.

Optionally, the top plate 11 is detachably mounted on the top of the frame.

Specifically, the heat sink 200 is a fan tray.

Further, as shown in fig. 10, 12 and 13, a first water retaining rim 31 is convexly disposed on the first side surface of the top cover 3, the first water retaining rim 31 surrounds to form a contour adapted to the air outlet 111, and a contour dimension surrounded by the first water retaining rim 31 is larger than a contour dimension of the air outlet 111.

In the embodiment, when the top cover 3 is installed on the top of the cabinet 1, the first side of the top cover 3 faces the top plate 11; set up the first manger plate of round through the first side at top cap 3 and follow 31, and first manger plate is greater than the profile dimension of air outlet 111 along the profile dimension that 31 centers on for air outlet 111 is located the first manger plate and follows 31 in the region that centers on, can shelter from air outlet 111 better, blocks that water gets into air outlet 111, and water-proof effects is better.

Further, as shown in fig. 5, 6, 7 and 10, a top plate water retaining rim 112 is disposed around the peripheral edge of the top plate 11, the top plate water retaining rim 112 protrudes toward a side of the top plate 11 facing away from the wind cover 12, and a contour dimension of the top plate water retaining rim 112 is greater than a contour dimension of the first water retaining rim 31.

In the present embodiment, the top plate water retaining edge 112 protrudes toward a side of the top plate 11 away from the wind cover 12, that is, the top plate water retaining edge 112 faces the first side surface of the top cover 3; set up round roof manger plate through around roof 11 and follow 112, and the roof manger plate is greater than the profile dimension that first manger plate edge 31 centers on along the profile dimension that 112 centers on for roof manger plate edge 112 centers on in the periphery of first manger plate edge 31, and with first manger plate edge 31 spaced apart, roof manger plate edge 112 and first manger plate edge 31 constitute labyrinth seal structure, can reach better water-proof effects.

Further, as shown in fig. 10, 12 and 13, a second water retaining rim 32 is provided around the peripheral edge of the top cover 3, the second water retaining rim 32 is provided to protrude toward the first side of the top cover 3, and the dimension of the contour surrounded by the second water retaining rim 32 is larger than that of the top plate 11.

In the present embodiment, the second water blocking edge 32 protrudes toward the first side of the top cover 3, that is, the protruding direction of the second water blocking edge 32 is the same as that of the first water blocking edge 31; through set up round second manger plate along 32 around top cap 3, and second manger plate is greater than the contour dimension of roof 11 along the contour dimension that 32 centers on, make roof 11 be located the second manger plate along 32 around the region in, can shelter from roof 11 wholly, thereby more effectively hinder the manger plate and get into roof 11, and second manger plate is along 32 and first manger plate along 31 spaced apart, and be located the outside and the inboard of roof manger plate along 112 respectively, first manger plate is along 31, roof manger plate is along 112 and second manger plate and constitutes labyrinth seal structure jointly along 32, water-proof effects is better, effectively promote the protecting effect.

Specifically, as shown in fig. 8 to 13, the vehicle-mounted cabinet further includes a connecting member 4, one end of the connecting member 4 is connected to the first side surface of the top cover 3, the other end of the connecting member 4 is provided with a limiting portion 41, and the limiting portion 41 is used for abutting against the side surface of the top plate 11 away from the fan housing 12; the distance from the limiting part 41 to the end part of the connecting piece 4 connected with the top cover 3 is larger than the height of the first water retaining edge 31. In this embodiment, the top cover 3 is connected to the upper side of the top plate 11 through the connecting piece 4, the limiting portion 41 is used for limiting the relative position of the top cover 3 and the top plate 11, the distance from the limiting portion 41 to the end portion, connected with the top cover 3, of the connecting piece 4 is larger than the height of the first water retaining edge 31, when the top cover 3 is installed at the top of the cabinet body 1, the first water retaining edge 31 can be spaced from the upper side face of the top plate 11, a ventilation gap is formed between the first water retaining edge 31 and the top plate 11, and the ventilation effect of the top of the vehicle-mounted cabinet is ensured.

Optionally, the connecting member 4 is a fixing stud, one end of the fixing stud is fixedly connected with the top cover 3, and the limiting portion 41 is a step end surface disposed at the other end of the fixing stud.

Further, as shown in fig. 4 and 5, the vehicle-mounted cabinet further includes a dustproof filter 5, and the dustproof filter 5 is disposed inside the front door 2 and covers the air intake area of the louver 21; the dustproof filter 5 is also disposed on the top plate 11 and covers the air outlet 111. In order to reach better waterproof dustproof effect, cover in the air inlet region of shutter 21 and air outlet 111 region and set up dustproof filtration piece 5 and protect, moisture in the air current and dust are absorbed by dustproof filtration piece 5, improve the cleanliness factor that gets into the air of installation intracavity, effectively promote dustproof and waterproof effect.

For example, the dustproof filter piece 5 is dustproof cotton or a sponge dustproof net, water enters through the blind window 21 and is absorbed by sponge, and therefore water entering in the front door 2 is effectively prevented from remaining.

Specifically, the vehicle-mounted cabinet further comprises a compression joint piece 6, wherein the compression joint piece 6 is fixedly connected to the inner side of the front door 2 and tightly presses and fixes the dustproof filter piece 5 on the front door 2; the compression joint member 6 is fixedly connected to the top plate 11 and compresses and fixes the dustproof filter member 5 on the top plate 11. Through setting up 6 fixed mounting of crimping piece and filtering piece 5 that prevents dust, ensure that the filtration piece 5 that prevents dust closely laminates the air inlet region and the air outlet 111 region of shutter 21, avoid leaking out, promote the protective effect.

For example, the pressure contact member 6 is a pressure plate, and dust cotton is fixed to the inside of the front door 2 and the top plate 11 using the pressure plate.

Specifically, the vehicle-mounted cabinet further includes waterproof seals provided between the crimping piece 6 and the front door 2, between the crimping piece 6 and the top plate 11, and between the front door 2 and the cabinet body 1. Gaps exist between the crimping piece 6 and the front door 2, between the crimping piece 6 and the top plate 11 and between the front door 2 and the cabinet body 1, the sealing is carried out by arranging the waterproof sealing piece, water can be prevented from entering the vehicle-mounted cabinet from the gaps, and the waterproof sealing effect is further improved.

For example, the waterproof seal is a weatherstrip.

Alternatively, the connecting position of the frame body and the top plate 11 is sealed with a sealing tape.

The utility model discloses an on-vehicle rack, through the combination of above-mentioned embodiment, IP 55's requirement can be satisfied to whole protection level to compromise on-vehicle installation space and radiating requirement.

In one embodiment, as shown in fig. 1, a first heat sink insertion position, at least one first box insertion position, a second heat sink insertion position, a second box insertion position and a connecting assembly insertion position are sequentially arranged in the installation cavity from top to bottom, and the height dimension of the second box insertion position is greater than that of the first box insertion position.

In this embodiment, a first heat sink mounting position is used to mount the first heat sink 201, a first receptacle mounting position is used to mount the first receptacle 301, a second heat sink mounting position is used to mount the second heat sink 202, a second receptacle mounting position is used to mount the second receptacle 302, and a connection assembly mounting position is used to mount the connector assembly 400. The height dimension of the second box-insertion site is greater than the height dimension of the first box-insertion site, that is, the height dimensions of the first box-insertion 301 and the second box-insertion 302 are different; through set up multiple cartridge position in the installation cavity, on-vehicle rack can be used for assembling multiple electronic equipment, and compact structure reduces the space and occupies and set up two heat abstractor 200, and heat dispersion is better, is favorable to satisfying on-the-spot installation space requirement and the holistic heat dissipation requirement of rack.

As shown in fig. 1, the utility model also provides an on-vehicle control system, including subrack 300, heat abstractor 200 and the on-vehicle rack that is provided by any of the above-mentioned embodiments, subrack 300 and heat abstractor 200 are all installed in on-vehicle rack.

Specifically, as shown in fig. 1 and 14 to 18, the heat dissipation device 200 includes a first heat dissipation device 201 and a second heat dissipation device 202, where the first heat dissipation device 201 and the second heat dissipation device 202 are both fan disks, and the size of the fan disk is a standard fan disk size, for example, the height of the fan disk is 43.6 mm, and is slightly smaller than 44.45 mm (or 19 inches); the receptacle 300 includes a first receptacle 301 and a second receptacle 302, the first receptacle 301 having a size of a 3U standard receptacle size, such as a height of 132.6 mm, slightly less than 133.35 mm (or 57 inches), and the second receptacle 302 having a size of a 9U standard receptacle size, such as a height of 399.2 mm, slightly less than 400.05 mm (or 171 inches); the connector assembly 400 includes a connector for transmitting signals, which may be a radio frequency coaxial connector assembly, such as a JK head assembly.

In an embodiment, the utility model discloses an on-vehicle control system can be the on-vehicle IP55 rack based on interconnection FAO (full Automatic Operation system) for satisfy the engineering project demand.

In one embodiment, the vehicle control system comprises three first plug boxes 301, wherein the three first plug boxes 301 are respectively an a-type plug box, a B-type plug box and a C-type plug box; the second box 302 is a D-shaped box. The external dimensions of the onboard IP55 cabinet are 1557 mm high, 585 mm wide and 476 mm thick.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (10)

1. An on-board rack, comprising:

the cabinet comprises a cabinet body, wherein an installation cavity is formed in the cabinet body, the top of the installation cavity is used for installing a heat dissipation device, the heat dissipation device is provided with an air outlet area, the cabinet body comprises a top plate, an air outlet is formed in the top plate, a fan cover is arranged on the inner side of the top plate and surrounds the air outlet, the lower end of the fan cover is used for covering the air outlet area, and the cabinet body is further provided with a front side opening;

the front door is mounted on the front side of the cabinet body and used for opening or closing the front side opening, and a shutter with a downward opening is arranged on the outer side of the lower part of the front door;

the top cover is installed on the top of the cabinet body and covers the top plate, and the top cover and the top plate are arranged at intervals.

2. The vehicle-mounted cabinet according to claim 1, wherein a first water retaining rim is convexly provided on the first side surface of the top cover, the first water retaining rim surrounds to form a contour adapted to the air outlet, and the contour size of the first water retaining rim is larger than the contour size of the air outlet.

3. The vehicle rack of claim 2, wherein a perimeter edge of the roof panel is circumferentially provided with a roof flashing lip that projects toward a side of the roof panel facing away from the hood, the roof flashing lip having a greater contour dimension than the first flashing lip.

4. The vehicle rack of claim 3, wherein the perimeter edge of the top cover is circumferentially provided with a second water dam, the second water dam projecting toward the first side of the top cover, the second water dam circumferentially having a larger contour dimension than the contour dimension of the top plate.

5. The vehicle-mounted cabinet according to claim 2, further comprising a connecting member, wherein one end of the connecting member is connected to the first side of the top cover, and the other end of the connecting member is provided with a limiting portion for abutting against a side of the top plate facing away from the hood; the distance from the limiting part to the end part of the connecting piece connected with the top cover is larger than the height of the first water retaining edge.

6. The vehicle rack of any of claims 1-5, further comprising a dust filter disposed inside the front door and covering the air intake area of the louvers; the dustproof filter piece is further arranged on the top plate and covers the air outlet.

7. The vehicle rack of claim 6, further comprising a crimp fixedly attached to an interior side of the front door and compressively securing the dust filter to the front door; the compression joint piece is fixedly connected to the top plate and compresses and fixes the dustproof filter piece on the top plate.

8. The vehicle rack of claim 7, further comprising waterproof seals disposed between the crimp and the front door, between the crimp and the top panel, and between the front door and the cabinet body.

9. The vehicle-mounted cabinet according to claim 1, wherein a first heat dissipation device insertion position, at least one first box insertion position, a second heat dissipation device insertion position, a second box insertion position and a connecting assembly insertion position are sequentially arranged in the installation cavity from top to bottom, and the height of the second box insertion position is larger than that of the first box insertion position.

10. An in-vehicle control system, comprising an insert box, a heat sink, and the in-vehicle cabinet of any one of claims 1 to 9, wherein the insert box and the heat sink are both mounted within the in-vehicle cabinet.

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