CN210298289U - Vehicle-mounted DC power supply shell with electromagnetic shielding function - Google Patents

Abstract

The utility model discloses a vehicle-mounted DC power supply shell with electromagnetic shielding function, applied in the field of vehicle-mounted power supply shells, and solves the technical problem that the magnetic field generated by the electrification of electric wires influences the work of other electric devices, and the key points of the technical scheme are that the shell comprises a U-shaped bottom plate, an L-shaped cover plate detachably connected with the bottom plate, a transfer plate, a first shielding cover and a second shielding cover, wherein the side walls of the bottom plate, the cover plate, the transfer plate and the first shielding cover enclose a closed first shielding area, the side walls of the transfer plate, the bottom plate and the second shielding cover enclose a second shielding area, and the side walls and the bottom plate of the first shielding cover, the transfer plate and the second shielding cover enclose a third shielding area; the shielding area has the technical effect that a plurality of shielding areas can be formed, and the influence of electromagnetic induction on the electric device is effectively prevented.

Description

Vehicle-mounted DC power supply shell with electromagnetic shielding function

Technical Field

The utility model relates to a vehicle mounted power casing field, more specifically say, it relates to vehicle mounted DC power casing with electromagnetic shield function.

Background

When the vehicle-mounted DC power supply module supplies power to other electrical elements, all electrical devices are electrically connected through wires, various circuits are arranged in the power supply module, the wires can generate a magnetic field when being electrified, and the magnetic field can affect other electrical devices.

At present, Chinese patent with publication number CN205196180U discloses a waterproof structure of a vehicle-mounted DC-DC power supply shell connector, which comprises a contact pin and a plastic shell, wherein a V-shaped groove is arranged on the contact pin; the contact pin is an L-shaped bent metal sheet, and the upper end of the contact pin is provided with a protrusion for connecting with an electric wire; the V-shaped groove is arranged on the lower metal sheet of the contact pin and is arranged along the width direction of the contact pin; the pin and the plastic shell are molded through secondary injection molding, and the V-shaped groove is plastically packaged in the plastic through secondary injection molding.

The above patent discloses a waterproof structure on a power supply housing, but does not disclose a structure for shielding a magnetic field, and therefore, a power supply housing capable of shielding a magnetic field needs to be designed.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide an on-vehicle DC power casing with electromagnetic shield function, its advantage can form a plurality of shielded areas, effectively prevents the influence of electromagnetic induction to the electrical part.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides an on-vehicle DC power casing with electromagnetic shield function, includes the bottom plate of U-shaped, can dismantle apron, keysets, first shield cover, the second shield cover of the L shape of connection on the bottom plate, the lateral wall of bottom plate, apron, keysets, first shield cover encloses into confined first shielded area, keysets, bottom plate, second shield cover enclose into the second shielded area, the lateral wall, the bottom plate of first shield cover, keysets, second shield cover enclose into the third shielded area.

Through above-mentioned technical scheme, when the electric wire when circular telegram, can produce magnetic field, confined space can cut magnetic field to hinder the influence of magnetic field to the components and parts outside the shielding interval. The electric wire of power casing is more dispersed to on-vehicle DC power is by multiunit electrical part subassembly, other electrical parts such as transformer, and each part is connected other part, consequently sets up first shielded area, second shielded area, third shielded area in the casing, and three shielded area can concentrate three positions with the electric wire respectively and separate out, thereby prevents the magnetic field that produces between each electrical part and influences each other.

The utility model discloses further set up to: the upper surfaces of the cover plate, the first shielding cover and the second shielding cover are all in the same plane.

Through above-mentioned technical scheme, apron, first shield cover, second shield cover, bottom plate make up into complete confined casing, when the upper surface of apron, first shield cover, second shield cover all is in same plane, ensures the holistic aesthetic property of casing this moment, prevents that the unsmooth influence in surface from using and assembling.

The utility model discloses further set up to: the bottom plate is fixedly provided with a plurality of connecting columns, and threaded holes are formed in the connecting columns.

Through the technical scheme, the bottom plate is thin and is not suitable for being provided with the threaded hole. The spliced pole is seted up the screw hole, and keysets, apron, first shield cover, second shield cover are whole can dismantle the connection on the bottom plate, and these parts pass through the crew cut screw connection on the bottom plate to the connection can be dismantled in the realization, the inside electrical part of further being convenient for maintain.

The utility model discloses further set up to: the first shielding cover, the second shielding cover and the adapter plate are all located on the same side of the cover plate, the adapter plate is connected to the cover plate through screws, and the first shielding cover and the second shielding cover are connected to the bottom plate and the adapter plate through bolts respectively.

Through above-mentioned technical scheme, apron, first shield cover, second shield cover correspond first shielded area, second shielded area, third shielded area respectively, and these three parts are but can dismantle alone and each other do not influence each other, when the electrical part damages, are convenient for open corresponding position to further the maintenance of being convenient for.

The utility model discloses further set up to: the bottom plate is close to the vertical end of the cover plate and is provided with a plurality of wiring terminals, and the vertical end of the cover plate is provided with a strip-shaped through wire groove.

Through above-mentioned technical scheme, binding post is used for connecting other parts, can be in advance with the electric wire connection on the electrical part in the apron on binding post like this, when avoiding the installation, still open the apron and carry out the wiring.

The utility model discloses further set up to: the bottom plate is provided with a connecting sleeve at the vertical end close to the bottom plate, the vertical end of the bottom plate is provided with an inserting column matched with the connecting sleeve, and the inserting column is provided with an elastic disc.

Through the technical scheme, when the plug column moves into the connecting sleeve, the disc firstly collides against the side wall of the connecting sleeve, then the plug column continues to move, the disc deforms and can be retracted into the connecting sleeve, when the plug column passes through the connecting sleeve along with the disc, the disc is not restrained by the inner wall of the connecting sleeve, and is restored to the original state, the side face of the disc abuts against the side face of the connecting sleeve, so that the plug column is prevented from being separated from the connecting sleeve, the cover plate is further locked on the bottom plate, when the cover plate needs to be detached from the bottom plate, the cover plate is directly pulled strongly, the disc deforms in the opposite direction, and therefore the cover plate can be detached.

The utility model discloses further set up to: the vertical end of the bottom plate extends to the inside horizontally along the length direction of the bottom plate to form a limiting plate, and limiting grooves clamped with the limiting plate are formed in two sides of the horizontal end of the cover plate.

Through the technical scheme, when the horizontal end of the cover plate is clamped on the limiting plate, the horizontal end of the cover plate is prevented from tilting, and the cover plate is further firmly connected to the bottom plate.

The utility model discloses further set up to: the cover plate is characterized in that one end, far away from the inserted column, of the cover plate is provided with a limiting hole, the bottom plate is provided with a guide sleeve, a bolt matched with the limiting hole is arranged in the guide sleeve, a spring is further arranged in the guide sleeve, and two ends of the spring are respectively abutted to the bolt and the bottom wall of the guide sleeve.

Through above-mentioned technical scheme, when the apron assembled to the bottom plate on, the spring promoted the bolt for the bolt is pegged graft in spacing hole, and the bolt is perpendicular with the limiting plate simultaneously, restricts the removal of the vertical direction of apron and the removal of horizontal direction respectively, carries out comprehensive locking to the apron.

To sum up, the utility model discloses following beneficial effect has:

1. the electromagnetic field is shielded by cutting the magnetic field, so that the influence of the magnetic field on electrical elements is effectively prevented;

2. the cover plate is quickly disassembled and connected on the bottom plate, so that the electric device in the cover plate can be maintained conveniently.

Drawings

Fig. 1 is a schematic view of the entire structure of embodiment 1.

Fig. 2 is a cross-sectional view S-S in fig. 1.

Fig. 3 is an exploded view of the present embodiment 1.

Fig. 4 is a schematic structural view of the mounting plate of embodiment 1.

Fig. 5 is a schematic view of the entire structure of embodiment 2.

Fig. 6 is a sectional view a-a in fig. 5.

Fig. 7 is a sectional view B-B in fig. 5.

Fig. 8 is an enlarged view at D in fig. 7.

Fig. 9 is a cross-sectional view C-C of fig. 5.

Reference numerals: 1. a base plate; 11. a first shielding region; 12. a second shielding region; 13. a third shielding region; 14. connecting columns; 15. a wiring terminal; 16. a through wire groove; 2. a cover plate; 20. inserting a column; 21. connecting sleeves; 22. a disc; 23. a limiting plate; 24. a limiting groove; 25. a guide sleeve; 26. a spring; 27. a bolt; 28. a limiting hole; 3. a first shield case; 31. a notch; 4. a second shield case; 41. mounting a plate; 5. an adapter plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example 1: referring to fig. 1 and 2, an on-vehicle DC power supply housing with an electromagnetic shielding function includes a U-shaped base plate 1, an L-shaped cover plate 2 detachably connected to the base plate 1, an adapter plate 5, a first shielding case 3, and a second shielding case 4. A closed first shielding area 11 is defined by the side walls of the bottom plate 1, the cover plate 2, the adapter plate 5 and the first shielding cover 3; a second shielding area 12 is enclosed by the adapter plate 5, the bottom plate 1 and the second shielding case 4; and a third shielding area 13 is defined by the side walls of the first shielding case 3, the adapter plate 5 and the second shielding case 4 and the bottom plate 1. Different electric devices (such as a circuit board, a transformer and a battery) are arranged in the three shielding areas, the electric wires are connected to different components, the electrified electric wires can generate a magnetic field, and the closed area can cut the magnetic field, so that the influence of the magnetic field on other electric devices is prevented.

Referring to fig. 2 and 3, a plurality of connecting columns 14 are distributed on the bottom plate 1, threaded holes are formed in the connecting columns 14, and the cover plate 2, the first shielding cover 3 and the second shielding cover 4 are all connected to the bottom plate 1 through cross flat head screws or straight flat head screws. The adapter plate 5, first shield cover 3, second shield cover 4 all is located the same one side of apron 2, adapter plate 5 passes through flat head screw connection at the lower surface of apron 2, first shield cover 3, second shield cover 4 passes through flat head screw and connects on the upper surface of adapter plate 5 and bottom plate 1 alone, make apron 2 like this, first shield cover 3, the upper surface of second shield cover 4 is in the coplanar, and then ensure holistic aesthetic property, because adapter plate 5 connects simultaneously at apron 2, first shield cover 3, second shield cover 4, the connection between these three parts is more firm when so, prevent apron 2, first shield cover 3, the unrestrained one end of second shield cover 4 is perk or unable bearing in the in-process of using.

Referring to fig. 1 and 3, the adapter plate 5 includes three connecting plates disposed perpendicular to each other, wherein the connecting plates disposed horizontally are L-shaped and have three through holes with threads for connecting to the first shield can 3, the second shield can 4, and the cover plate 2, respectively. The arrangement is such that the cover plate 2, the first shield 3 and the second shield 4 can be detached separately and do not affect each other, and when the electric device is damaged, only the corresponding cover plate 2 or the first shield 3 or the second shield 4 needs to be opened separately.

Referring to fig. 1, a plurality of connection terminals 15 are provided on the bottom plate 1 near the vertical end of the cover plate 2, and the connection terminals 15 are used for connecting electric wires on other components. Can be before assembling apron 2 like this, with the electric wire lug connection on the electrical part of the interior on apron 2 on binding post 15, when the automobile body with the power casing installation on, need not open apron 2 and carry out the wiring, only need with the connection of electric wires on binding post 15 can. The vertical end of the cover plate 2 is provided with a through wire groove 16, so that an internal electric wire can be conveniently penetrated out.

Referring to fig. 2, notches 31 are provided at the corners of the first shielding shell 3, and the notches 31 are used for leading out the wires in the third shielding region 13.

Referring to fig. 4, a mounting plate 41 is detachably attached to the second shield shell 4 on a side away from the first shield shell 3, and a lower end of the mounting plate 41 is separated from the base plate 1, thereby leaving a space for the electric wires in the second shield region 12 to pass through.

The action process is as follows: firstly, mounting each electric device on a bottom plate 1, and then mounting a cover plate 2, an adapter plate 5, a first shielding case 3 and a second shielding case 4 on the bottom plate 1; the magnetic field is cut by enclosing a closed space, so that the magnetic field generated by the electric device and the wire is prevented from influencing other electric devices.

Embodiment 2, referring to fig. 5 and 6, an in-vehicle DC power supply case having an electromagnetic shielding function is different from embodiment 1 in the manner of connection between a cover plate 2 and a base plate 1. The vertical end of the cover plate 2 is provided with an inserting column 20 along the direction vertical to the vertical end of the cover plate 2, the bottom plate 1 is provided with a connecting sleeve 21 corresponding to the inserting column 20, the head part of the inserting column 20 is fixedly provided with an elastic disc 22, and the disc 22 is conical. The disc 22 is capable of deforming when compressed.

Referring to fig. 5 and 6, when the plug 20 moves into the connection sleeve 21, the disc 22 will first collide against the side wall of the connection sleeve 21, and then the plug 20 continues to move, the disc 22 will deform and can be retracted into the connection sleeve 21, when the plug 20 passes through the connection sleeve 21 along with the disc 22, the disc 22 is not constrained by the inner wall of the connection sleeve 21, so as to recover to the original shape, and the side surface of the disc 22 will collide against the side surface of the connection sleeve 21, thereby preventing the plug 20 from disengaging from the connection sleeve 21, further locking the cover 2 on the base, when the cover 2 needs to be removed from the base, the cover 2 is directly pulled strongly, so that the disc 22 deforms in the opposite direction, and thus the cover 2 can be removed.

Referring to fig. 7 and 8, the vertical end of the bottom plate 1 is provided with a limiting plate 23, the two sides of the horizontal end of the cover plate 2 are provided with limiting grooves 24, and the limiting plate 23 extends horizontally inwards. When the horizontal end of the cover plate 2 is clamped on the limiting plate 23, the horizontal end of the cover plate 2 is prevented from tilting, and the cover plate 2 is further firmly connected to the bottom plate 1.

Referring to fig. 9, a guide sleeve 25 is vertically arranged on the bottom plate 1, the guide sleeve 25 is integrally arranged with the bottom plate 1, a plug pin 27 is connected in the guide sleeve 25 in a sliding manner, a spring 26 is further arranged in the guide sleeve 25, and two ends of the spring 26 respectively abut against the lower end of the plug pin 27 and the bottom wall of the guide sleeve 25. A limiting hole 28 is arranged at the horizontal end of the cover plate 2 and the vertical end far away from the cover plate 2, and the limiting hole 28 is matched with the bolt 27. When the limiting hole 28 is located right above the bolt 27, the spring 26 pushes the bolt 27 at this time, so that the bolt 27 is inserted into the limiting hole 28, and the cover plate 2 is further prevented from sliding on the limiting plate 23.

The action process is as follows: the cover plate 2 is firstly aligned with the limit plate 23 and inserted into the limit plate 23, the inserting column 20 is simultaneously aligned with the connecting sleeve 21 and forcibly inserted into the connecting sleeve 21, and finally the inserting pin 27 is matched in the limit hole 28 under the action of the spring 26.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims (8)

1. The utility model provides an on-vehicle DC power casing with electromagnetic shield function, its characterized in that, includes bottom plate (1) of U-shaped, can dismantle apron (2), keysets (5), first shield cover (3), second shield cover (4) of the L shape of connection on bottom plate (1), the lateral wall of bottom plate (1), apron (2), keysets (5), first shield cover (3) encloses into confined first shielding district (11), keysets (5), bottom plate (1), second shield cover (4) enclose into second shielding district (12), the lateral wall of first shield cover (3), keysets (5), second shield cover (4), bottom plate (1) enclose into third shielding district (13).

2. The vehicle-mounted DC power supply shell with the electromagnetic shielding function according to claim 1, wherein the upper surfaces of the cover plate (2), the first shielding cover (3) and the second shielding cover (4) are all in the same plane.

3. The vehicle-mounted DC power supply shell with the electromagnetic shielding function according to claim 2, wherein the bottom plate (1) is fixedly provided with a plurality of connecting columns (14), and each connecting column (14) is provided with a threaded hole.

4. The vehicle-mounted DC power supply shell with the electromagnetic shielding function according to claim 3, wherein the first shielding cover (3), the second shielding cover (4) and the adapter plate (5) are all located on the same side of the cover plate (2), the adapter plate (5) is connected to the cover plate (2) through screws, and the first shielding cover (3) and the second shielding cover (4) are respectively connected to the bottom plate (1) and the adapter plate (5) through bolts.

5. The vehicle-mounted DC power supply shell with the electromagnetic shielding function according to claim 1, wherein the bottom plate (1) is provided with a plurality of connecting terminals (15) near the vertical end of the cover plate (2), and the vertical end of the cover plate (2) is provided with a strip-shaped through slot (16).

6. The vehicle-mounted DC power supply shell with the electromagnetic shielding function according to claim 1, wherein a connecting sleeve (21) is disposed at a vertical end of the bottom plate (1) close to the bottom plate (1), an inserting column (20) matched with the connecting sleeve (21) is disposed at the vertical end of the bottom plate (1), and an elastic disc (22) is disposed on the inserting column (20).

7. The vehicle-mounted DC power supply shell with the electromagnetic shielding function according to claim 6, wherein a limiting plate (23) horizontally extends inwards along the length direction of the bottom plate (1) from the vertical end of the bottom plate (1), and limiting grooves (24) engaged with the limiting plate (23) are formed on two sides of the horizontal end of the cover plate (2).

8. The vehicle-mounted DC power supply casing with the electromagnetic shielding function according to claim 7, wherein a limiting hole (28) is formed in one end of the cover plate (2) far away from the plug post (20), a guide sleeve (25) is arranged on the bottom plate (1), a plug pin (27) matched with the limiting hole (28) is arranged in the guide sleeve (25), a spring (26) is further arranged in the guide sleeve (25), and two ends of the spring (26) respectively abut against the plug pin (27) and the bottom wall of the guide sleeve (25).

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