Universal high-voltage distribution box of new energy automobile

Abstract

The utility model discloses a universal high-voltage distribution box of a new energy automobile. The universal high-voltage distribution box for the new energy automobile comprises an integrated bottom plate, a plurality of adapters, a shell, an upper cover and a plurality of electronic components, a plurality of vertical insertion holes are formed in the integrated bottom plate in a rectangular array manner; the lower end of the adapter is provided with at least two protruding block buckles, the lower end of a cylinder of each protruding block buckle is provided with a large-diameter protruding block-shaped elastic clamping head, the upper surface of the adapter is in threaded connection with a corresponding electronic component, the protruding block buckles are inserted into the insertion holes, the cylinder is sleeved with the insertion holes, and the elastic clamping heads are clamped and attached to the lower surface of the integrated bottom plate. Each adapter is adjustably mounted on the integrated bottom plate; the shell is of a structure with an opening in the upper end, and the four corners of a lower cavity wall plate of the shell are detachably connected with the integrated bottom plate through threaded pieces. And the upper cover is in threaded connection with the shell. The high-voltage distribution box has the advantages of being high in universality, simple in structure and high in assembling efficiency.

Description

Technical Field

[0001] The utility model relates to the field of high-voltage distribution boxes for new energy vehicles, in particular to a universal high-voltage distribution box for new energy vehicles. Background Art

[0002] At present, new energy vehicles are developing rapidly. There are many types of new energy vehicles and configurations, which also require high-voltage distribution boxes with various functions. At present, high-voltage distribution boxes are used separately, one product with one structure, and the internal electronic components are fixed directly to the box body with bolts. The device fixing method is fixed, and the functions realized are single. Electronic components cannot be replaced or added. The defects are: first, the versatility is poor, and it cannot meet the customer's temporary requirements to replace or add electronic components. The second is that the high-voltage distribution box has various models, complex processing technology, relatively low assembly efficiency, and is prone to human errors. Utility Model Content

[0003] In order to solve one or more of the above problems, the utility model provides a universal high-voltage distribution box for new energy vehicles.

[0004] According to one aspect of the utility model, the universal high-voltage distribution box of the new energy vehicle includes: an integrated base plate, a plurality of adapters, a shell, an upper cover and a plurality of electronic components;

[0005] A plurality of vertical plug holes in a rectangular array on the integrated bottom plate;

[0006] At least two convex buckles are provided at the lower end of the adapter, and the lower end of the column of the convex buckle is a large-diameter convex elastic clamp. The upper surface of the adapter is threadedly connected to the corresponding electronic components, the convex buckle is inserted into the plug-in hole, the column shaft sleeve is inserted into the plug-in hole, and the elastic clamp is clamped tightly to the lower surface of the integrated bottom plate, so that each adapter can be adjustably installed on the integrated bottom plate;

[0007] The shell is an open structure at the upper end, and the four corners of the lower cavity wall plate of the shell and the integrated bottom plate are detachably connected through screw parts;

[0008] The upper cover is threadedly connected to the shell.

[0009] In some embodiments, the column is a cylinder, and the upper end surface of the elastic clamp forms a positioning shoulder, and the positioning shoulder fits the lower surface of the integrated bottom plate.

[0010] In some embodiments, a buffer end in the shape of an arc curved surface is formed at the lower end of the elastic clamp.

[0011] In some embodiments, the open slot vertically passes through the middle of the elastic clamp and extends to the middle section of the column, and elastic blocks are formed at both ends of the open slot;

[0012] Or the opening slot is in the shape of a straight line or a cross.

[0013] In some embodiments, the outer contours and dimensions of the column and the plug hole match, and the diameter of the elastic clamp in a natural state is larger than the hole diameter of the plug hole.

[0014] In some embodiments, the protrusion is integrally connected to the lower surface of the adapter by snap-fitting or detachably connected to the lower surface of the adapter by threads.

[0015] In some embodiments, the fixing through holes of the rectangular array at the four corners of the integrated bottom plate and the internal threaded columns at the four corners of the lower cavity wall plate of the shell are connected by screws.

[0016] In some embodiments, the edge of the upper surface of the adapter is provided with a longitudinal positioning block and a transverse positioning block for limiting the electronic components;

[0017] Or the upper surface edge of the adapter is provided with a contoured end ring that fits the electronic components.

[0018] In some embodiments, the electronic components include a main relay, a pre-charging resistor and a pre-charging relay threadedly connected to the first threaded hole of the adapter, the first adapter matching the main relay and the third adapter matching the pre-charging relay have contoured end rings on their upper surfaces, and the second adapter matching the pre-charging resistor has longitudinal positioning blocks and transverse positioning blocks on its upper surface.

[0019] In some embodiments, the integrated base plate and the plurality of adapters are plastic parts.

[0020] The universal high-voltage distribution box of the new energy vehicle adopts an adapter that can be adjustably plugged into the integrated base plate, and the integrated base plate is threadedly fixed in the shell, and its beneficial effects are: first, the versatility of the high-voltage distribution box is improved, and it is suitable for various additions of new components or changes in the installation positions of components. In the product structure design or the products that have been produced, electrical components can be better added and replaced to increase their functions, and the shell structure does not need to be remade; second, the structure is easy to assemble, and each electronic component is pre-installed on each adapter, and then the adapter and the electronic components are plugged into the integrated base plate as a whole, and the assembly efficiency is high; third, the convex buckle structure is easy to insert and install, and after the connection is completed, it is firmly fixed without looseness or shaking. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 A schematic front view of a universal high-voltage distribution box for a new energy vehicle according to an embodiment of the utility model;

[0022] Figure 2 for Figure 1 A three-dimensional exploded schematic diagram of a universal high-voltage distribution box for new energy vehicles is shown;

[0023] Figure 3 for Figure 1The three-dimensional installation diagram of the integrated base plate, adapter and housing is shown;

[0024] Figure 4 for Figure 1 A schematic cross-sectional view of the integrated base plate and the first adapter;

[0025] Figure 5 for Figure 1 A three-dimensional schematic diagram of the first adapter shown;

[0026] Integrated bottom plate 1, plug-in hole 10, fixing through hole 11;

[0027] Adapter 2, convex buckle 20, column 200, elastic clamp 201, buffer end 202, opening groove 203, positioning shoulder 204, longitudinal positioning block 205, transverse positioning block 206, contoured end ring 207, first threaded hole 208, first adapter 21, second adapter 22;

[0028] Shell 3, internal thread column 31, vertical cylinder 32, upper threaded hole 33, upper groove 34, mounting foot 35;

[0029] Upper cover 4, upper through hole 401, U-shaped opening groove 402,

[0030] Electronic components 01, main relay 011, pre-charging resistor 012, pre-charging relay 013. DETAILED DESCRIPTION

[0031] The present invention is further described in detail below in conjunction with the accompanying drawings. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the accompanying drawings, and the words "inner" and "outer" refer to directions toward or away from the geometric center of a specific component, respectively.

[0032] Figures 1 to 5 The general high-voltage distribution box of a new energy vehicle according to an embodiment of the utility model is schematically shown. As shown in the figure, the general high-voltage distribution box of the new energy vehicle includes: an integrated base plate 1, a plurality of adapters 2, a shell 3, an upper cover 4 and a plurality of electronic components 01;

[0033] A plurality of vertical plug holes 10 in a rectangular array on the integrated base plate 1;

[0034] At least two convex buckles 20 are provided at the lower end of the adapter 2. The lower end of the column 200 of the convex buckle 20 is a large-diameter convex elastic clamp 201. The upper surface of the adapter 2 is threadedly connected to the corresponding electronic component 01. The convex buckle 20 is inserted into the plug hole 10. The column 200 is sleeved in the plug hole 10 and the elastic clamp 201 is clamped tightly against the lower surface of the integrated bottom plate 1, so that each adapter 2 can be adjustably installed on the integrated bottom plate 1.

[0035] The shell 3 is an open structure at the upper end, and the four corners of the lower cavity wall of the shell 3 and the integrated bottom plate 1 are detachably connected by screws;

[0036] The upper cover 4 is threadedly connected to the housing 3 .

[0037] The universal high-voltage distribution box of the new energy vehicle adopts an adapter 2 that is adjustably plugged into the integrated base plate 1, and the integrated base plate 1 is threadedly fixed in the shell 3. Its beneficial effects are: first, the versatility of the high-voltage distribution box is improved, and it is suitable for various additions of new components or changes in the installation position of components. In the product structure design or the products that have been produced, electrical components can be better added and replaced to increase their functions, and the shell structure does not need to be remade; second, the structure is easy to assemble, and each electronic component 01 is pre-installed on each adapter 2, and then the adapter 2 and the electronic component 01 are plugged into the integrated base plate 10 as a whole, and the assembly efficiency is high; third, the bump buckle 20 structure is easy to insert and install, and after the connection is completed, it is firmly fixed without looseness or shaking.

[0038] Preferably, the column 200 is a cylinder, and the upper end surface of the elastic clamp 201 forms a positioning shoulder 204, and the positioning shoulder 204 fits the lower surface of the integrated bottom plate 1. The beneficial effect is that the positioning shoulder 204 can further improve the installation positioning accuracy and stability.

[0039] Preferably, a buffer end 202 in the shape of an arc surface is formed at the lower end of the elastic clamp 201. The beneficial effect is that the buffer end 202 can soften the insertion stress, making the insertion easier.

[0040] Furthermore, the opening slot 203 vertically passes through the middle of the elastic clamp 201 and extends to the middle section of the column 200. The two ends of the opening slot 203 form elastic blocks. When the convex clamp 20 is inserted into the plug hole 10, the elastic block shrinks inward and passes through the plug hole 10. When the elastic clamp 201 completely passes through the plug hole 10, the column 200 sleeves the plug hole 10, and the elastic block returns to a natural state. The elastic clamp 201 is clamped and fits the lower surface of the integrated bottom plate 1; preferably, the opening slot 203 is a straight line or a cross shape. The beneficial effect is that the convex clamp 20 set has a simple structure, high elastic deformation ability, and is convenient for insertion.

[0041] Preferably, the outer contours and dimensions of the column 200 and the plug hole 10 match, the diameter of the column 200 and the plug hole 10 are set to be equal in diameter or connected with a small gap, the height of the column 200 is equal to the hole height of the plug hole 10, and the diameter of the elastic clamp 201 in the natural state is larger than the hole diameter of the plug hole 10.

[0042] Preferably, the convex buckle 20 is integrally connected to the lower surface of the adapter 2 or is detachably connected to the lower surface of the adapter 2 by threads. The beneficial effect is that the convex buckle 20 can be mass-produced, reducing production costs.

[0043] Furthermore, the four corners of the integrated bottom plate 1 are provided with a plurality of vertical fixing through holes 11 in a rectangular array, and the four corners of the lower cavity wall of the housing 3 are provided with a plurality of internal threaded columns 31, and the screw members pass through the fixing through holes 11 to connect the internal threaded columns 31. Preferably, the internal threaded columns 31 are nuts or sleeve columns with central internal threads, and the internal threaded columns 31 are threadedly detachably connected or welded to the lower cavity wall of the housing 3. The beneficial effect is that the arrangement has good stability, and the space below is convenient for the arrangement of other components.

[0044] Furthermore, the upper surface edge of the adapter 2 is provided with a longitudinal positioning block 205 and a transverse positioning block 206 for limiting the electronic component 01;

[0045] Or the upper surface edge of the adapter 2 is provided with a contoured end ring 207 that fits the electronic component 01. The beneficial effect is that the structure can position and restrict the installation of the electronic component 01 in the circumferential direction.

[0046] Furthermore, the electronic component 01 includes a main relay 011, a pre-charging resistor 012 and a pre-charging relay 013 threadedly connected to the first threaded hole 208 of the adapter 2, and the adapter 2 includes a first adapter 21 cooperating with the main relay 011, a second adapter 22 cooperating with the pre-charging resistor 012 and a third adapter 23 cooperating with the pre-charging relay 013.

[0047] The upper surfaces of the first adapter 21 and the third adapter 23 are provided with contoured end rings 207, and the upper surface of the second adapter 22 is provided with longitudinal positioning blocks 205 and transverse positioning blocks 206. The beneficial effect is that the arrangement effectively realizes the transfer and fixation of the main relay 011, the pre-charging resistor 012 and the pre-charging relay 013.

[0048] Preferably, the integrated base plate 1 and the plurality of adapters 2 are all plastic parts. The beneficial effects are: the plastic parts have a simple structure and the manufacturing cost of a single part is low.

[0049] At the same time, the shell 3 and the upper cover 4 are suitable for sheet metal and die-casting boxes.

[0050] Preferably, the plurality of protrusion buckles 20 at the lower end of the adapter 2 can be plugged into a horizontal row of plugging holes 10, a vertical column of plugging holes 10, or plugging holes 10 in multiple rows and columns.

[0051] The rectangular array of the plug holes 10 is 25 mm×25 mm in horizontal and vertical intervals, and the diameter of the plug holes 10 is 5 mm. The beneficial effect is that the plug holes 10 provided are convenient for fixing the adapter 2 of the standard parts.

[0052] Furthermore, the upper cover 4 is a shell with an open lower end, and the four side panels of the upper cover 4 are provided with a plurality of upper through holes 401, and the upper ends of the upper through holes 401 form a U-shaped opening groove 402. The four cavity walls of the shell 3 are provided with a plurality of vertical cylinders 32, and the upper ends of the vertical cylinders 32 are formed with upper threaded holes 33. The nut of the threaded member is located in the U-shaped opening groove 102 and the lower end passes through the upper through hole 401 and is screwed into the upper threaded hole 33.

[0053] The upper threaded hole 33 is a threaded bushing integrally formed in the vertical cylinder 32 .

[0054] The inner cavity of the upper cover 4 is also provided with reinforcing ribs intersecting vertically and horizontally.

[0055] An upper groove 34 is provided at the upper end of the vertical cylinder 32, and a positioning column is provided at the lower end of the upper through hole 401, and the positioning column is sleeved in the upper groove 34. The beneficial effect is that the structure is compact and has high strength, and can effectively realize the quick assembly of the upper cover 4 and the shell 3.

[0056] The four corners of the housing 3 are also provided with mounting feet 35 .

[0057] The above are only some embodiments of the present invention. For those skilled in the art, several modifications and improvements can be made without departing from the inventive concept of the present invention, which all belong to the protection scope of the present invention.

Claims

1. Universal high-voltage distribution box for new energy vehicles, characterized in that: It comprises: an integrated base plate (1), a plurality of adapters (2), a housing (3), an upper cover (4), and a plurality of electronic components (01); A plurality of vertical plug holes (10) are arranged in a rectangular array on the integrated base plate (1); The lower end of the adapter (2) is provided with at least two convex buckles (20), the lower end of the column (200) of the convex buckle (20) is a large-diameter convex-shaped elastic clamp (201), the upper surface of the adapter (2) is threadedly connected to the corresponding electronic component (01), the convex buckle (20) is inserted into the plug hole (10), the column (200) is sleeved in the plug hole (10) and the elastic clamp (201) is clamped tightly against the lower surface of the integrated base plate (1), so that each adapter (2) can be adjustably mounted on the integrated base plate (1); The shell (3) is an open structure at the top, and the four corners of the lower cavity wall of the shell (3) and the integrated bottom plate (1) are detachably connected via screws; The upper cover (4) is threadedly connected to the shell (3).

2. The universal high-voltage distribution box for new energy vehicles according to claim 1, characterized in that: The column (200) is a cylindrical body, and the upper end surface of the elastic clamp (201) forms a positioning shoulder (204), and the positioning shoulder (204) fits the lower surface of the integrated bottom plate (1).

3. The universal high-voltage distribution box for new energy vehicles according to claim 1, characterized in that: The lower end of the elastic clamp (201) is formed with a buffer end (202) in the shape of an arc surface.

4. The universal high-voltage distribution box for new energy vehicles according to claim 1, characterized in that: The opening groove (203) vertically penetrates the middle of the elastic clamp (201) and extends to the middle section of the column (200), and elastic blocks are formed at both ends of the opening groove (203); Or the opening groove (203) is in a straight line shape or a cross shape.

5. The universal high-voltage distribution box for new energy vehicles according to claim 1, characterized in that: The outer contours and dimensions of the column (200) and the plug hole (10) match, and the diameter of the elastic clamp (201) in a natural state is larger than the hole diameter of the plug hole (10).

6. The universal high-voltage distribution box for new energy vehicles according to claim 1, characterized in that: The protruding block buckle (20) is integrally connected to the lower surface of the adapter (2) or is detachably connected to the lower surface of the adapter (2) by threads.

7. The universal high-voltage distribution box for new energy vehicles according to claim 1, characterized in that: The fixing through holes (11) of the rectangular array at the four corners of the integrated bottom plate (1) and the internal threaded columns (31) at the four corners of the lower cavity wall plate of the shell (3) are connected via threaded parts.

8. The universal high-voltage distribution box for new energy vehicles according to claim 1, characterized in that: The upper surface edge of the adapter (2) is provided with a longitudinal positioning block (205) and a transverse positioning block (206) for limiting the electronic component (01); Or the upper surface edge of the adapter (2) is provided with a contoured end ring (207) that fits the electronic component (01).

9. The universal high-voltage distribution box for new energy vehicles according to claim 8, characterized in that: The electronic component (01) comprises a main relay (011), a pre-charging resistor (012) and a pre-charging relay (013) which are threadedly connected to a first threaded hole (208) of the adapter (2); the upper surfaces of a first adapter (21) matched with the main relay (011) and a third adapter (23) matched with the pre-charging relay (013) are provided with the contoured end ring (207); the upper surface of a second adapter (22) matched with the pre-charging resistor (012) is provided with the longitudinal positioning block (205) and the transverse positioning block (206).

10. The universal high-voltage distribution box for new energy vehicles according to claim 1, characterized in that: The integrated base plate (1) and the plurality of adapters (2) are all plastic parts.

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