CN216120554U

CN216120554U - BDU support and power device

Info

Publication number: CN216120554U
Application number: CN202122226637.0U
Authority: CN
Inventors: 陈许超; 于拴柱; 李国兵; 张海建; 唐丽娟; 张蕊
Original assignee: Svolt Energy Technology Co Ltd
Current assignee: Svolt Energy Technology Co Ltd
Priority date: 2021-09-14
Filing date: 2021-09-14
Publication date: 2022-03-22
Anticipated expiration: 2031-09-14

Abstract

The application relates to new energy battery technical field, especially relates to a BDU support and power device, and the BDU support includes: the battery cell module is arranged below the bearing main body, and the part of the bearing main body faces the battery cell module; bear the main part and be provided with drainage, drainage is located outside the scope that the projection of electric core module along the Z direction covered along the projection of Z direction. The application provides a BDU support through set up drainage structures and with the reasonable layout of electric core module, reduces substantially that electric core module intakes, the risk that causes the short circuit wets to effectively improve the security performance of battery package and the security of whole car.

Description

BDU support and power device

Technical Field

The application relates to the technical field of new energy batteries, in particular to a BDU support and a power device.

Background

At present, in the battery system of new energy vehicle, the arrangement of BDU (battery system distribution box) in the battery package is various, and the current support setting that is used for supporting BDU when the module top, in case the internal condensation that produces of battery package shell is gathered and is dripped and can follow the support flow direction module when on the support, leads to the module to wet, intake, and then leads to the inside electric core of module probably to take place the circumstances such as short circuit, influences the security performance of battery package and whole car.

SUMMERY OF THE UTILITY MODEL

The utility model provides a BDU support and power device to it is possible to follow the support and flow to the module when dripping on the support to solve the internal condensation that produces of battery cladding that exists among the prior art to a certain extent and accumulate, leads to the module to wet, the technical problem who intakes.

The application provides a BDU support includes: the battery cell module is arranged below the bearing main body, and part of the bearing main body faces the battery cell module;

the bearing main body is provided with a water drainage part, and the projection of the water drainage part along the Z direction is located outside the range covered by the projection of the battery cell module along the Z direction.

In the above technical solution, further, the load bearing main body includes a first plate portion and a second plate portion, the first plate portion is located above the cell module, a projection of the second plate portion along the Z direction is located outside a range covered by the projection of the cell module along the Z direction, and the drain portion is disposed on the second plate portion.

In any one of the above technical solutions, further, the drainage portion is recessed with respect to a surface of the bearing body, and the drainage portion is formed with a drainage hole.

In any one of the above technical solutions, further, the first plate portion is provided with a water bar for preventing the condensation from dripping to the battery cell module when the condensation exists on the surface of the bearing main body.

In any one of the above technical solutions, further, the bearing body is provided with a water chute, and the water chute extends from the first plate portion to the second plate portion.

In any one of the above technical solutions, further, the number of the drainage parts is at least one, and at least one drainage part is disposed in the water chute.

In any of the above technical solutions, further, a side of the bearing main body facing the water bar is provided with a first wear-resistant member for preventing wear of the wiring harness and/or the conductive bar arranged near the bearing main body.

In any of the above technical solutions, further, a second wear-resistant member is disposed on a side edge of the bearing main body extending along the width direction of the bearing main body.

The application also provides a power device, which comprises the BDU bracket in any technical scheme, so that all beneficial technical effects of the BDU bracket are achieved, and the detailed description is omitted.

In the above technical solution, further, the power device further includes:

the BDU is arranged on the bearing main body;

the shell is provided with a supporting beam, and the bearing body is arranged on the supporting beam.

Compared with the prior art, the beneficial effect of this application is:

the application provides a BDU support includes: the battery cell module is arranged below the bearing main body, and the part of the bearing main body faces the battery cell module; bear the main part and be provided with water drainage, water drainage dodges electric core module setting.

The application provides a BDU support through set up drainage structures and with the reasonable layout of electric core module, reduces substantially that electric core module intakes, the risk that causes the short circuit wets to effectively improve the security performance of battery package and the security of whole car.

The application provides a power device, including the aforesaid BDU support, therefore, through with this BDU support setting that has water conservancy diversion, drainage structures in the top of module, can enough carry out the stable support to BDU, can also reduce the module and intake, the risk of weing by a wide margin, and then improve the security of battery package and whole car.

Drawings

In order to more clearly illustrate the detailed description of the present application or the technical solutions in the prior art, the drawings needed to be used in the detailed description of the present application or the prior art description will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic structural diagram of a BDU cradle according to an embodiment of the present application;

fig. 2 is another schematic structural diagram of a BDU cradle according to an embodiment of the present application.

Reference numerals: 1-a bearing main body, 101-a first plate part, 102-a second plate part, 103-a first side edge, 104-a second side edge, 105-a third side edge, 106-a fourth side edge, 2-a drainage part, 201-a drainage hole, 3-a water bar, 4-a water chute, 5-a first anti-abrasion piece, 6-a second anti-abrasion piece, a-a first direction, b-a second direction, 7-a shell, 8-a supporting beam and 9-a battery cell module.

Detailed Description

The technical solutions of the present application will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present application, but not all embodiments.

The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application.

All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

A BDU cradle and power unit according to some embodiments of the present application is described below with reference to fig. 1 and 2.

Referring to fig. 1 and 2, an embodiment of the present application provides a BDU bracket, disposed in a casing of a battery pack, including a carrier body 1 for mounting a BDU, a cell module 9 disposed below the carrier body 1, the carrier body 1 being located above the cell module 9 in a straight manner, and a portion of the carrier body 1 facing the cell module 9, the carrier body 1 being provided with a water drain portion 2, the water drain portion 2 being disposed on a portion of the carrier body 1 other than the portion facing the cell module 9, specifically, a projection of the water drain portion 2 in a Z direction is located outside a range covered by a projection of the cell module 9 in the Z direction, wherein the Z direction is a direction from a plate surface of the carrier body 1 toward a bottom wall surface of the casing 7 of the battery pack, that is, a direction from a lower surface of the carrier body 1 toward a vertically downward direction, and the water drain portion 2 directly faces a bottom wall surface of the casing 7 of the battery pack (not shown in the figure), condensation that the casing condenses for example when in the battery package drips to the drain pan that bears main part 1 and on can directly flow to the battery package through drainage 2, avoids condensation flow direction electricity core module 9, leads to electricity core module 9 to intake to effectively reduce the risk that electricity core module 9 took place the short circuit, and then improve the security performance of battery package.

It is thus clear that the BDU support that this application provided, through set up drainage structures and with the reasonable layout of electric core module 9, reduce electric core module 9 by a wide margin and intake, the risk of making moist and causing the short circuit to effectively improve the security performance of battery package and the security of whole car.

In one embodiment of the present application, preferably, the carrier body 1 includes a first plate portion 101 and a second plate portion 102, the first plate portion 101 is located above the cell module 9, a projection of the second plate portion 102 along the Z direction is located outside a range covered by a projection of the cell module 9 along the Z direction, that is, the second plate portion 102 is suspended in the air relative to the cell module 9, and the drain portion 2 is disposed on the second plate portion 102.

Preferably, as shown in fig. 1, the drain part 2 is recessed with respect to the surface of the carrier body 1, and the drain part 2 is formed with a drain hole 201.

In this embodiment, the first plate portion 101 and the second plate portion 102 are distributed along a first direction a, which is specifically the width direction of the bearing main body 1, the cell module 9 is disposed below the first plate portion 101, the cell module 9 is not disposed below the second plate portion 102, and the drain portion 2 is disposed on the second plate portion 102, specifically, at least a portion of the second plate portion 102 where the drain portion 2 is disposed is directly disposed facing the bottom wall surface of the bottom case of the battery pack, and the drain portion 2 is recessed downward relative to the surface of the bearing main body 1, so that the drain portion 2 serves as the lowest point of the bearing main body 1, and whether condensation falls on the first plate portion 101 or the second plate portion 102 eventually flows to the drain portion 2 and directly falls to the bottom case of the battery pack through the drain hole 201 opened at the center of the drain portion 2.

In one embodiment of the present application, preferably, as shown in fig. 1 and 2, the first plate portion 101 is provided with a water bar 3 for preventing condensation from dripping to the cell module 9 when condensation exists on the surface of the bearing main body 1.

In this embodiment, as shown in fig. 1, the carrier body 1 includes a first side 103, a second side 104, a third side 105, and a fourth side 106, which are connected in sequence, where the first side 103 and the third side 105 both extend along a second direction b, the second direction b is specifically a length direction of the carrier body 1, the second side 104 and the fourth side 106 both extend along a first direction a, the water bar 3 is disposed on the first side 103 of the carrier body 1, and the water bar 3 extends upward relative to the surface of the first plate 101, so that, for example, when a vehicle runs or the carrier body 1 shakes, condensation on the surface of the carrier body 1 is blocked by the water bar 3 when the surface of the carrier body 1 flows, and the condensation does not flow to the cell module 9 through the edge of the first plate 101.

Specifically, the first plate portion 101 has a plate shape, and a side of the first plate portion 101, which is relatively far away from the second plate portion 102, is folded upwards to form a flanging structure at an edge of the first plate portion 101, such flanging structure is the above-mentioned water bar 3, so as to play a role of water blocking, so that the condensation flows to the second plate portion 102 and flows to the battery pack bottom case through the drain portion 2 or the edge of the second plate portion 102 facing the battery pack bottom case.

In addition, the water bar 3 may also be a strip-shaped structure protruding from the upper surface of the main bearing body 1 and disposed on the side of the main bearing body 1, specifically, may be a rod, a plate, or other parts, that is, the water bar 3 may be in a form of processing the structure of the main bearing body 1 itself, or in a form of disposing a corresponding structure on the side of the main bearing body 1.

In one embodiment of the present application, preferably, as shown in fig. 1, the carrier body 1 is provided with a water chute 4, and the water chute 4 extends from the first board portion 101 to the second board portion 102.

In this embodiment, the water chute 4 is long, the water chute 4 extends along the first direction a, the water chute 4 extends over the first board portion 101 and the second board portion 102, and one end of the water chute 4 extends to be close to the water bar 3, and the water chute 4 is recessed downward relative to the bearing main body 1, so that the condensed water can flow into the water chute 4 after dropping to the bearing main body 1, and the condensed water is prevented from flowing to the battery cell module 9.

Further, the quantity of guiding gutter 4 is at least one, preferably two, and two guiding gutters 4 are close to second side 104, the fourth side 106 setting that bears main part 1 respectively, have increased the accepting scope and the capacity to the condensation through guiding gutter 4, also can avoid the condensation to flow to electric core module 9 through second side 104 and/or fourth side 106 that bears main part 1 simultaneously, further reduce the risk that electric core module 9 was intake.

In one embodiment of the present application, it is preferable that the number of the drain parts 2 is at least one, and at least one drain part 2 is provided in the water guide groove 4, as shown in fig. 1.

In this embodiment, the number of the drainage parts 2 is at least one, preferably three, but not limited thereto, and may be increased or decreased as appropriate according to the size of the bearing main body 1, taking three drainage parts 2 shown in fig. 1 as an example, the three drainage parts 2 are arranged at intervals along the second direction b, one of the drainage parts 2 is disposed on the plate surface of the bearing main body 1, the other two drainage parts 2 are disposed in the water guide grooves 4, further, the water guide grooves 4 are recessed relative to the upper surface of the bearing main body 1, and the drainage parts 2 are recessed relative to the upper surface of the water guide grooves 4, so that the height of the positions where the drainage parts 2 are located is lower than the height of the positions where the water guide grooves 4 are located, and therefore, the condensation in the water guide grooves 4 can flow to the bottom case of the battery pack case through the drainage holes 201 of the drainage parts 2.

Preferably, the width of the part of the water chute 4 corresponding to the second plate portion 102 is greater than the width of the part of the water chute 4 corresponding to the first plate portion 101, so that the water chute 4 has a sufficient width to provide the drainage portion 2 and a large receiving area, and the width of the part of the water chute 4 corresponding to the first plate portion 101 is reduced, thereby avoiding affecting the structural strength of the bearing body 1.

In one embodiment of the present application, preferably, as shown in fig. 1, one side of the bearing body 1 facing the water bar 3 is provided with a first wear-proof piece 5 for preventing wear of the wiring harness and/or the conductive bar arranged near the bearing body 1.

In this embodiment, the first anti-wear member 5 is a flanging structure formed on the bearing main body 1, specifically, a flanging structure formed upwards or downwards by a side of the second plate portion 102 facing the water bar 3, that is, the third side 105 of the bearing main body 1, is the first anti-wear member 5, and a specific folding direction and angle are determined according to the arrangement and the trend of the conductive bar and the wire harness near the first anti-wear member 5, the surface of the flanging structure is smooth, and preferably, the surface of the flanging structure is in a natural transition of an arc surface, so that the conductive bar and/or the wire harness arranged near the side of the bearing main body 1 facing the water bar 3 can be prevented from continuously contacting the side of the bearing main body 1 in a process that the conductive bar and/or the wire harness are likely to shake, and the conductive bar and/or the wire harness are thereby worn.

It should be noted that the above-mentioned first anti-wear member 5 is actually a flanging structure, which is only a preferred example selected by the present application, and other technical solutions capable of achieving the same or similar effects should also fall within the scope of the present application, for example, a covering member is disposed on one side of the main bearing body 1 facing the water bar 3, and can also protect the conductive bar and the wire harness.

In one embodiment of the present application, preferably, as shown in fig. 1, the side edges (i.e. the second side edge 104 and the fourth side edge 106) of the bearing body 1 extending along the width direction of the bearing body 1 are provided with the second wear-resistant pieces 6.

In this embodiment, the second anti-wear member 6 can protect the conductive bar and the wire harness disposed near the second anti-wear member 6, so as to prevent the conductive bar and the wire harness from being worn, and the specific structure and the disposing manner of the second anti-wear member 6 can refer to the first anti-wear member 5, which can be fully understood by those skilled in the art and will not be described herein again.

In addition, it should be noted that the first anti-wear member 5 and the second anti-wear member 6 can be formed by grinding, chamfering, providing a protective layer, and the like on the side edge of the bearing main body 1, in addition to the above-mentioned flanging.

An embodiment of the present application further provides a power device, as shown in fig. 2, the power device includes the BDU support according to any of the above embodiments, so that all the beneficial technical effects of the BDU support are achieved, and details are not repeated herein.

In one embodiment of the present application, preferably, the power plant further comprises:

the BDU is arranged on the bearing main body 1;

the housing 7 is provided with a support beam 8, and the carrier body 1 is provided on the support beam 8.

In this embodiment, the casing 7 of the battery pack includes a bottom shell, the bottom shell is provided with the supporting beam 8, the first plate portion 101 of the bearing main body 1 is connected with the supporting beam 8, and the second plate portion 102 is connected with the shell of the battery cell module 9, so that the battery cell module 9 and the supporting beam 8 play a role in fixing and supporting the bearing main body 1 at the same time, and the stability of the BDU support in the casing 7 is ensured.

Further, the BDU is provided on the bearing body 1, preferably on the second plate portion 102, and when the condensation falls on the outer shell of the BDU, the condensation will also drip on the second plate portion 102 to flow toward the bottom case through the drain portion 2.

Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A BDU cradle, comprising:

the battery cell module comprises a bearing main body (1), wherein a battery cell module (9) is arranged below the bearing main body (1), and part of the bearing main body (1) faces the battery cell module (9);

bear main part (1) and be provided with drainage part (2), drainage part (2) are located along the projection of Z direction battery core module (9) are along outside the scope that the projection of Z direction covered.

2. The BDU bracket according to claim 1, wherein the carrier body (1) includes a first plate portion (101) and a second plate portion (102), the first plate portion (101) is located above the cell module (9), a projection of the second plate portion (102) in the Z direction is located outside a range covered by a projection of the cell module (9) in the Z direction, and the drain portion (2) is provided in the second plate portion (102).

3. A BDU stand as claimed in claim 1, wherein said drain (2) is recessed with respect to the surface of the carrying body (1), said drain (2) being formed with a drain hole (201).

4. A BDU stand according to claim 2, characterized in that said first plate part (101) is provided with a water bar (3).

5. A BDU stand according to claim 2, characterized in that the carrying body (1) is provided with a water chute (4), which water chute (4) extends from the first board part (101) to the second board part (102).

6. A BDU stand as claimed in claim 5, wherein the number of said water drains (2) is at least one, at least one of said water drains (2) being arranged in said water chute (4).

7. A BDU cradle according to claim 4, characterized in that the side of the carrying body (1) facing the water bar (3) is provided with a first wear prevention (5).

8. A BDU stand as claimed in claim 5, characterized in that the side edges of the carrying body (1) extending in the width direction of the carrying body (1) are provided with second wear prevention pieces (6).

9. A power plant comprising a BDU cradle as claimed in any one of claims 1 to 8.

10. The power plant of claim 9, further comprising:

a BDU provided to the carrier body (1);

a housing (7) provided with a support beam (8), the carrying body (1) being provided with the support beam (8).