Power distribution unit structure and vehicle

Abstract

The utility model discloses a power distribution unit structure and a vehicle, the power distribution unit structure comprises a battery energy distribution unit and a power electronic integration module, the battery energy distribution unit is provided with a high-voltage output plug-in connector, the power electronic integration module is provided with a high-voltage input plug-in connector, the high-voltage input plug-in connector is in plug-in fit with the high-voltage output plug-in connector, and the high-voltage output plug-in connector is connected with the power electronic integration module. Or the high-voltage input plug-in connector and the high-voltage output plug-in connector are respectively matched with the end part of the high-voltage wire harness in a plug-in manner. A high-voltage output plug-in connector on the battery energy distribution unit and a high-voltage input plug-in connector on the power electronic integration module are in direct plug-in fit or are connected with a high-voltage wire harness, so that the battery energy distribution unit and the power electronic integration module can be combined or split according to the actual arrangement condition of a vehicle; therefore, the space utilization rate of the vehicle can be improved, and the cost of the vehicle can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicles, in particular to a power distribution unit structure and a vehicle. Background Art

[0002] At present, the high-voltage and high-current distribution units of pure electric vehicles and plug-in hybrid electric vehicles adopt a centralized distribution solution, which can make the distribution unit structure compact and convenient for wiring layout, so that some battery management system intelligent control management units can be integrated according to the system architecture requirements of different customers, thereby simplifying the complexity of the power distribution of the entire vehicle system architecture.

[0003] In the related art, distribution devices are arranged in the shell of the distribution unit structure, and high-voltage distribution copper bars and insulating plates are arranged in the shell. The copper bars and insulating plates are located in the middle of the shell, and the shell is divided into upper and lower spaces. The fuse is arranged in the upper space of the shell, and the pre-charging group and relay are arranged in the lower space of the shell. However, the battery modules of new energy heavy-duty trucks are composed of multiple battery boxes, so they have the technical characteristics of large current and high voltage. The battery boxes are connected to the battery energy distribution unit through high-voltage wiring harnesses in series and parallel, and then the battery energy distribution unit is connected to the power electronic integrated module. However, the shell volume of the battery energy distribution unit and the power electronic integrated module is too large, which increases the difficulty of space layout of the whole vehicle and reduces space utilization. Moreover, the high-voltage wiring harness connecting the battery energy distribution unit and the power electronic integrated module cannot meet the bending requirements, which will increase the cost of the distribution unit structure. Utility Model Content

[0004] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, one purpose of the utility model is to propose a power distribution unit structure, which can improve the space utilization of the whole vehicle and thus save costs.

[0005] The utility model further provides a vehicle.

[0006] According to the power distribution unit structure of the utility model, it includes: a battery energy distribution unit and a power electronic integrated module, the battery energy distribution unit is provided with a high-voltage output connector, the power electronic integrated module is provided with a high-voltage input connector, the high-voltage input connector is plugged and matched with the high-voltage output connector, or the high-voltage input connector and the high-voltage output connector are respectively plugged and matched with the end of the high-voltage wiring harness.

[0007] According to the power distribution unit structure of the utility model, by directly plugging and matching the high-voltage output connector on the battery energy distribution unit and the high-voltage input connector on the power electronic integrated module or connecting them with a high-voltage wiring harness, the battery energy distribution unit and the power electronic integrated module can be combined or split according to the actual layout of the vehicle, thereby improving the space utilization of the vehicle and further reducing the cost of the vehicle.

[0008] In some examples of the present invention, the battery energy distribution unit and the power electronic integrated module are arranged in a thickness direction of the battery energy distribution unit.

[0009] In some examples of the present invention, the high-voltage output connector is disposed on a side of the battery energy distribution unit facing the power electronic integrated module, and the high-voltage input connector is disposed on a side of the power electronic integrated module facing the battery energy distribution unit.

[0010] In some examples of the present invention, the battery energy distribution unit includes a first control unit, a first box body and a first cover body, the first control unit is arranged in the first box body, the first cover body is detachably arranged on the side of the first box body facing the power electronic integrated module, and the high-voltage output connector is arranged on the first cover body and is electrically connected to the first control unit; the power electronic integrated module includes a second control unit, a second box body and a second cover body, the second control unit is arranged in the second box body, the second cover body is detachably arranged on the side of the second box body facing the battery energy distribution unit, and the high-voltage input connector is arranged on the second cover body and is electrically connected to the second control unit.

[0011] In some examples of the present invention, a first groove is provided on the first cover plate, and a portion of the high-voltage output connector is provided in the first groove; a second groove is provided on the second cover plate, and a portion of the high-voltage input connector is provided in the second groove.

[0012] In some examples of the present invention, the first control unit and the high-voltage output connector are spaced apart in the length direction of the first box and are electrically connected through a first copper busbar; the second control unit and the high-voltage input connector are spaced apart in the length direction of the second box and are electrically connected through a second copper busbar.

[0013] In some examples of the present invention, a sealing groove is provided at an edge of the first cover body and one of the first box body, and a sealing gasket is filled in the sealing groove.

[0014] In some examples of the present invention, the battery energy distribution unit is provided with a first mounting portion, and the power electronic integrated module is provided with a second mounting portion, and the first mounting portion is connected to the second mounting portion.

[0015] In some examples of the present invention, the first mounting portion is provided with a first mounting hole, the second mounting portion is provided with a second mounting hole, the first mounting hole is arranged opposite to the second mounting hole, and the first mounting portion and the second mounting portion are connected by fasteners penetrating the first mounting hole and the second mounting hole.

[0016] The vehicle according to the utility model comprises: the power distribution unit structure described above.

[0017] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0019] Figure 1 This is a schematic diagram of the structure of the power distribution unit according to a first angle of view of an embodiment of the utility model;

[0020] Figure 2 is a second angle structural schematic diagram of the power distribution unit structure according to an embodiment of the utility model;

[0021] Figure 3 is a cross-sectional view of a power distribution unit structure according to an embodiment of the utility model;

[0022] Figure 4 is a schematic diagram of a partial structure of a power distribution unit structure according to an embodiment of the utility model from a first angle;

[0023] Figure 5 It is a schematic diagram of a partial structure of the power distribution unit structure at a second angle according to an embodiment of the utility model.

[0024] Reference numerals:

[0025] 1. Distribution unit structure;

[0026] 2. Battery energy distribution unit; 21. High-voltage output connector; 22. First control unit; 23. First box; 24. First cover; 25. First groove; 26. First copper busbar; 27. First mounting portion; 3. Power electronic integrated module; 31. High-voltage input connector; 32. Second control unit; 33. Second box; 34. Second cover; 35. Second groove; 36. Second copper busbar; 37. Second mounting portion. DETAILED DESCRIPTION

[0027] The embodiments of the present utility model are described in detail below. The embodiments described with reference to the accompanying drawings are exemplary. The embodiments of the present utility model are described in detail below.

[0028] Reference below Figure 1-Figure 5 A power distribution unit structure 1 according to an embodiment of the present invention is described, and the power distribution unit structure 1 is applied to a vehicle.

[0029] like Figure 1-Figure 5 As shown, according to the power distribution unit structure 1 of the utility model, it includes: a battery energy distribution unit 2 and a power electronic integrated module 3, the battery energy distribution unit 2 is provided with a high-voltage output connector 21, the power electronic integrated module 3 is provided with a high-voltage input connector 31, the high-voltage input connector 31 is plugged with the high-voltage output connector 21, or the high-voltage input connector 31 and the high-voltage output connector 21 are respectively plugged with the end of the high-voltage wiring harness.

[0030] It can be understood that the battery energy distribution unit 2 and the power electronic integrated module 3 constitute the main structure of the distribution unit structure 1, and a high-voltage output connector 21 is arranged on the upper surface of the battery energy distribution unit 2, and a high-voltage input connector 31 is arranged on the lower surface of the power electronic integrated module 3, and the high-voltage input connector 31 and the high-voltage output connector 21 are arranged relative to each other, so as to facilitate the plug-in and matching of the high-voltage input connector 31 and the high-voltage output connector 21, so that the surface of the battery energy distribution unit 2 and the power electronic integrated module 3 can be fitted and assembled, or after the battery energy distribution unit 2 and the power electronic integrated module 3 are separately arranged, the high-voltage input connector 31 and the high-voltage output connector 21 are connected by a high-voltage wiring harness. In this way, the battery energy distribution unit 2 and the power electronic integrated module 3 can be combined and split according to the actual space layout of the vehicle, thereby improving the space utilization of the vehicle and reducing the cost of the vehicle.

[0031] Therefore, by directly plugging and matching the high-voltage output connector 21 on the battery energy distribution unit 2 and the high-voltage input connector 31 on the power electronic integrated module 3 or connecting them with a high-voltage wiring harness, the battery energy distribution unit 2 and the power electronic integrated module 3 can be combined or split according to the actual layout of the vehicle, thereby improving the space utilization of the vehicle and reducing the cost of the vehicle.

[0032] Among them, Figure 1-Figure 3 As shown, the battery energy distribution unit 2 and the power electronic integrated module 3 are arranged in the thickness direction of the battery energy distribution unit 2. That is to say, the power electronic integrated module 3 is located above the battery energy distribution unit 2, and the high-voltage input connector 31 and the high-voltage output connector 21 are plugged and matched, so that the battery energy distribution unit 2 and the power electronic integrated module 3 can be connected, and then the battery energy distribution unit 2 and the power electronic integrated module 3 can be combined to save space.

[0033] In particular, if Figure 3 As shown, the high-voltage output connector 21 is arranged on the side of the battery energy distribution unit 2 facing the power electronic integrated module 3, and the high-voltage input connector 31 is arranged on the side of the power electronic integrated module 3 facing the battery energy distribution unit 2. It can be understood that the high-voltage output connector 21 is located on the upper surface of the battery energy distribution unit 2, and the high-voltage input connector 31 is located on the lower surface of the power electronic integrated module 3. This arrangement allows the high-voltage input connector 31 and the high-voltage output connector 21 to be plugged and matched, so that the battery energy distribution unit 2 and the power electronic integrated module 3 can be combined, and then the battery energy distribution unit 2 and the power electronic integrated module 3 can be combined and located on the same longitudinal plane to improve space utilization.

[0034] In addition, if Figure 3 and Figure 4 As shown, the battery energy distribution unit 2 includes a first control unit 22, a first box body 23 and a first cover body 24. The first control unit 22 is arranged in the first box body 23. The first cover body 24 is detachably arranged on the side of the first box body 23 facing the power electronic integrated module 3. The high-voltage output connector 21 is arranged on the first cover body 24 and is electrically connected to the first control unit 22. That is to say, the first control unit 22, the first box body 23 and the first cover body 24 constitute the main structure of the battery energy distribution unit 2. The first control unit 22 is located in the first box body 23, so that the first box body 23 can protect the first control unit 22, thereby extending the service life of the first control unit 22. The first cover body 24 is located on the upper surface of the first box body 23, and the high-voltage output connector 21 is located on the first cover body 24, so that the first cover body 24 can limit the high-voltage output connector 21, thereby facilitating the installation of the high-voltage output connector 21, and the high-voltage output connector 21 is connected to the first control unit 22, so that the first control unit 22, the high-voltage output connector 21 and the power electronic integrated module 3 can be connected in sequence.

[0035] In addition, if Figure 3 and Figure 5As shown, the power electronic integrated module 3 includes a second control unit 32, a second box body 33 and a second cover body 34. The second control unit 32 is arranged in the second box body 33. The second cover body 34 is detachably arranged on the side of the second box body 33 facing the battery energy distribution unit 2. The high-voltage input connector 31 is arranged on the second cover body 34 and is electrically connected to the second control unit 32. It can be understood that the second control unit 32, the second box body 33 and the second cover body 34 constitute the main structure of the power electronic integrated module 3. The second control unit 32 is located in the second box body 33, so that the second box body 33 can protect the second control unit 32, thereby extending the service life of the second control unit 32. The second cover body 34 is located on the lower surface of the second box body 33, and the high-voltage input connector 31 is located on the second cover body 34, so that the second cover body 34 can limit the high-voltage input connector 31, thereby facilitating the installation of the high-voltage input connector 31, and the high-voltage input connector 31 is connected to the second control unit 32, so that the second control unit 32, the high-voltage input connector 31 and the battery energy distribution unit 2 can be connected in sequence.

[0036] Among them, Figure 3 As shown, the first cover plate is provided with a first groove 25, and a part of the high-voltage output connector 21 is provided in the first groove 25; the second cover plate is provided with a second groove 35, and a part of the high-voltage input connector 31 is provided in the second groove 35. That is to say, the first groove 25 is located on the first cover plate, the second groove 35 is located on the second cover plate, and the first groove 25 and the second groove 35 are arranged oppositely, and the lower half of the high-voltage output connector 21 is located in the first groove 25, so that the first groove 25 can limit the high-voltage output connector 21 and facilitate the installation of the high-voltage output connector 21, and the upper half of the high-voltage input connector 31 is located in the second groove 35, so that the second groove 35 can limit the high-voltage input connector 31 and facilitate the installation of the high-voltage input connector 31, and the high-voltage input connector 31 and the high-voltage output connector 21 can be arranged oppositely, so as to facilitate the plug-in matching of the high-voltage input connector 31 and the high-voltage output connector 21, so that the surface of the battery energy distribution unit 2 and the power electronic integrated module 3 can be fitted and assembled.

[0037] In addition, if Figure 3-Figure 5As shown, the first control unit 22 and the high-voltage output connector 21 are spaced apart in the length direction of the first box 23 and are electrically connected through the first copper bar 26; the second control unit 32 and the high-voltage input connector 31 are spaced apart in the length direction of the second box 33 and are electrically connected through the second copper bar 36. It can be understood that the first copper bar 26 is arranged between the first control unit 22 and the high-voltage output connector 21, so that the first copper bar 26 can connect the first control unit 22 and the high-voltage output connector 21, and the second copper bar 36 is arranged between the second control unit 32 and the high-voltage input connector 31, so that the second copper bar 36 can connect the second control unit 32 and the high-voltage input connector 31, and the first copper bar 26 and the second copper bar 36 extend along the length direction of the first box 23 and the second box 33 respectively, so that the space arrangement in the first box 23 and the second box 33 can be saved, and the first copper bar 26 and the second copper bar 36 can also be made not to interfere with each other, thereby improving the space utilization rate of the first box 23 and the second box 33. For example, the cross-sectional diameter of the first copper bar 26 and the second copper bar 36 is 20 mm, and there are three first copper bars 26 and three second copper bars 36 , so as to facilitate the connection between the first control unit 22 and the high-voltage output connector 21 and the second control unit 32 and the high-voltage input connector 31 .

[0038] In particular, if Figure 3 As shown, a sealing groove is provided at the edge of the first cover 24 and one of the first box bodies 23, and a sealing gasket is filled in the sealing groove. In other words, a sealing groove is provided at the edge of the first cover 24, so that the sealing gasket is conveniently arranged in the sealing groove, so that the gap after the battery energy distribution unit 2 and the power electronic integrated module 3 are sealed, thereby improving the stability of the power distribution unit structure 1. For example, the width of the sealing groove is 3 mm, and the sealing gasket is a silicone strip, so that the gap after the battery energy distribution unit 2 and the power electronic integrated module 3 are conveniently filled.

[0039] In addition, Figure 1-Figure 3 As shown, the battery energy distribution unit 2 is provided with a first mounting portion 27, and the power electronic integrated module 3 is provided with a second mounting portion 37, and the first mounting portion 27 is connected to the second mounting portion 37. It can be understood that the first mounting portion 27 is located on the outer side of the upper end of the battery energy distribution unit 2, and the second mounting portion 37 is located on the outer side of the lower end of the power electronic integrated module 3, and the first mounting portion 27 and the second mounting portion 37 are arranged opposite to each other up and down, so that the first mounting portion 27 and the second mounting portion 37 can be connected, and then the battery energy distribution unit 2 and the power electronic integrated module 3 can be more stable after being combined.

[0040] Among them, Figure 1-Figure 3As shown, the first mounting portion 27 is provided with a first mounting hole, the second mounting portion 37 is provided with a second mounting hole, the first mounting hole and the second mounting hole are arranged opposite to each other, and the first mounting portion 27 and the second mounting portion 37 are connected by a fastener penetrating the first mounting hole and the second mounting hole. In other words, the first mounting hole is located on the side of the first mounting portion 27 close to the second mounting portion 37, the second mounting hole is located on the side of the second mounting portion 37 close to the first mounting portion 27, and the first mounting hole and the second mounting hole are arranged opposite to each other up and down, so that the fastener can penetrate the first mounting hole and the second mounting hole, and then the battery energy distribution unit 2 and the power electronic integrated module 3 can be more stable after being combined.

[0041] The vehicle according to the embodiment of the utility model includes: the distribution unit structure 1 of the above embodiment, by directly plugging and matching the high-voltage output connector 21 on the battery energy distribution unit 2 and the high-voltage input connector 31 on the power electronic integrated module 3 or connecting them with a high-voltage wire harness, such an arrangement can combine or split the battery energy distribution unit 2 and the power electronic integrated module 3 according to the actual layout of the vehicle, thereby improving the space utilization of the vehicle and further reducing the cost of the vehicle.

[0042] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0043] In the description of the present utility model, "first feature" and "second feature" may include one or more of the features. In the description of the present utility model, "plurality" means two or more. In the description of the present utility model, the first feature "above" or "below" the second feature may include the first and second features being in direct contact, or the first and second features being in contact not directly but through another feature between them. In the description of the present utility model, the first feature "above", "above" and "above" the second feature include the first feature being directly above and obliquely above the second feature, or simply means that the first feature is higher in level than the second feature.

[0044] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example.

[0045] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A power distribution unit structure, characterized in that: include: A battery energy distribution unit (2), wherein the battery energy distribution unit (2) is provided with a high-voltage output connector (21); A power electronic integrated module (3), wherein the power electronic integrated module (3) is provided with a high-voltage input connector (31), wherein the high-voltage input connector (31) is plug-matched with the high-voltage output connector (21), or the high-voltage input connector (31) and the high-voltage output connector (21) are respectively plug-matched with the end of a high-voltage wire harness.

2. The power distribution unit structure according to claim 1, characterized in that: The battery energy distribution unit (2) and the power electronic integrated module (3) are arranged in a thickness direction of the battery energy distribution unit (2).

3. The power distribution unit structure according to claim 2, characterized in that: The high-voltage output connector (21) is arranged on a side of the battery energy distribution unit (2) facing the power electronic integrated module (3), and the high-voltage input connector (31) is arranged on a side of the power electronic integrated module (3) facing the battery energy distribution unit (2).

4. The power distribution unit structure according to claim 3, characterized in that: The battery energy distribution unit (2) comprises a first control unit (22), a first box (23) and a first cover (24); the first control unit (22) is arranged in the first box (23); the first cover (24) is detachably arranged on a side of the first box (23) facing the power electronic integrated module (3); the high-voltage output connector (21) is arranged on the first cover (24) and is electrically connected to the first control unit (22); The power electronic integrated module (3) comprises a second control unit (32), a second box (33) and a second cover (34); the second control unit (32) is arranged in the second box (33); the second cover (34) is detachably arranged on a side of the second box (33) facing the battery energy distribution unit (2); and the high-voltage input connector (31) is arranged on the second cover (34) and is electrically connected to the second control unit (32).

5. The power distribution unit structure according to claim 4, characterized in that: The first cover body (24) is provided with a first groove (25), and a portion of the high-voltage output connector (21) is arranged in the first groove (25); The second cover body (34) is provided with a second groove (35), and a portion of the high-voltage input connector (31) is arranged in the second groove (35).

6. The power distribution unit structure according to claim 4, characterized in that: The first control unit (22) and the high-voltage output connector (21) are spaced apart in the length direction of the first box (23) and are electrically connected via a first copper busbar (26); The second control unit (32) and the high-voltage input connector (31) are spaced apart in the length direction of the second box (33) and are electrically connected via a second copper busbar (36).

7. The power distribution unit structure according to claim 4, characterized in that: A sealing groove is provided on the edge of the first cover body (24) and one of the first box body (23), and a sealing gasket is filled in the sealing groove.

8. The power distribution unit structure according to claim 1, characterized in that: The battery energy distribution unit (2) is provided with a first mounting portion (27), the power electronic integrated module (3) is provided with a second mounting portion (37), and the first mounting portion (27) is connected to the second mounting portion (37).

9. The power distribution unit structure according to claim 8, characterized in that: The first mounting portion (27) is provided with a first mounting hole, the second mounting portion (37) is provided with a second mounting hole, the first mounting hole and the second mounting hole are arranged opposite to each other, and the first mounting portion (27) and the second mounting portion (37) are connected by fasteners penetrating the first mounting hole and the second mounting hole.

10. A vehicle, characterized in that: include: The power distribution unit structure (1) according to any one of claims 1 to 9.

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