CN221151809U

CN221151809U - BDU integrated structure of vertically arranging

Info

Publication number: CN221151809U
Application number: CN202322833150.8U
Authority: CN
Inventors: 丁潇潇; 李娟娟
Original assignee: Anhui Ningsheng Automotive Parts Co ltd
Current assignee: Anhui Ningsheng Automotive Parts Co ltd
Priority date: 2023-10-23
Filing date: 2023-10-23
Publication date: 2024-06-14
Anticipated expiration: 2033-10-23

Abstract

The utility model discloses a longitudinally arranged BDU integrated structure, which belongs to the technical field of BDUs and comprises a BDU body, a shielding layer, a BCU and a BMU, wherein the shielding layer is arranged on the upper end face of the BDU body, the BCU and the BMU are parallelly pressed on the shielding layer, the BCU and the BMU are connected with an upper shell of the BDU body through bolts, components in the BDU body are transversely arranged in the BDU body, an opening is formed in the side wall of a lower shell of the BDU body, lines of the components in the BDU body are outwards extended to be externally connected through the opening, the shielding layer is arranged for shielding protection, and the components are transversely arranged, so that the height of the whole BDU body is lower than that of the BDU body, and therefore, after the BCU and the BMU are arranged on the BDU body, the whole height is similar to that of the BDU of the traditional longitudinally arranged components, and the space occupation in the horizontal direction is reduced.

Description

BDU integrated structure of vertically arranging

Technical Field

The utility model belongs to the technical field of BDUs, and particularly relates to a BDU integrated structure which is longitudinally distributed.

Background

The BDU is collectively referred to as Battery energy Distribution Unit and refers to a battery power distribution unit, which is an important component of the high-voltage circuit of an electric vehicle. The BDU is also called as a battery cut-off unit (Battery Disconnect Unit), is an important accessory in the high-voltage circuit of the new energy vehicle, and controls the power-on and power-off process, the pre-charging process and the charging process of the high-voltage circuit. Whether the characteristic parameters of the BDU product meet the qualification conditions has important influence on the service life of the whole vehicle, the control strategy and the high-voltage electric safety.

Some new energy cars limit the height of a battery PACK (hereinafter PACK) due to the height of the car body. The battery management system (hereinafter referred to as BMS) is divided into a battery control unit (hereinafter referred to as BCU) and a battery management unit (hereinafter referred to as BMU) which are connected to related components by a wire harness and are required to be horizontally placed, and a large amount of space is occupied.

Disclosure of utility model

1. Technical problem to be solved by the utility model

The utility model aims to provide a BDU integrated structure which is longitudinally arranged so as to solve the problems set forth in the background.

2. Technical proposal

In order to achieve the above purpose, the technical scheme provided by the utility model is as follows:

The utility model discloses a longitudinally arranged BDU integrated structure, which comprises a BDU body, a shielding layer, a BCU and a BMU, wherein the shielding layer is arranged on the upper end face of the BDU body, the BCU and the BMU are parallelly pressed on the shielding layer, the BCU and the BMU are connected with an upper shell of the BDU body through bolts, components in the BDU body are transversely arranged in the BDU body, and an opening is formed in the side wall of a lower shell of the BDU body.

Preferably, the outer side wall of the lower shell of the BDU body is provided with a reinforcing rib, the reinforcing rib is provided with a mounting position, and the transversely mounted component is mounted on the mounting position through a bolt.

Preferably, be equipped with three mounting point on the lower casing of BDU body, be equipped with four mounting points on the last casing of BDU body, three mounting point in four mounting points of going up the casing corresponds with the mounting point on the lower casing, and another one is used for whole BMS installation.

Preferably, the upper shell of the BDU body is connected to the lower shell of the BDU body by bolts threaded into the mounting points, the bolts passing through the shield.

Preferably, the upper shell of the BDU body is provided with a BMU pressing plate, and the BMU pressing plate is close to a mounting point for mounting the BMS on the upper shell of the BDU body.

Preferably, no components are provided below the BMU platen and the mounting point for mounting the BMS.

3. Advantageous effects

Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:

According to the BDU integrated structure with the longitudinal arrangement, the circuits of the internal components are outwards extended from the openings to be externally connected, the shielding layers are arranged for shielding protection, and the components are transversely arranged, so that the height of the whole BDU body is lowered to a certain extent compared with that of the BDU body, after the BCU and the BMU are arranged on the BDU body, the whole BDU integrated structure is similar to that of the BDU of the traditional longitudinally-arranged components, and the space occupation in the horizontal direction is reduced.

Drawings

FIG. 1 is a schematic view of the overall structure of a longitudinally arranged BDU integrated structure of the present utility model;

fig. 2 is a schematic structural diagram of a longitudinally arranged BDU integrated structure according to the present utility model.

Reference numerals in the schematic drawings illustrate:

100. a BDU body; 110. an upper housing; 111. reinforcing ribs; 112. a mounting position; 113. BMU pressing plate; 120. a lower housing; 121. a mounting point;

200. a shielding layer;

300、BCU；

400、BMU。

Detailed Description

In order that those skilled in the art will better understand the present application, a technical solution in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present application without making any inventive effort, shall fall within the scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the application herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In the present application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are only used to better describe the present application and its embodiments and are not intended to limit the scope of the indicated devices, elements or components to the particular orientations or to configure and operate in the particular orientations.

Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the present application will be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, the terms "mounted," "configured," "provided," "connected," "coupled," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.

It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.

Example 1

Referring to fig. 1-2, a longitudinally arranged BDU integrated structure of this embodiment includes a BDU body 100, a shielding layer 200, a BCU300 and a BMU400, where the shielding layer 200 is installed on an upper end surface of the BDU body 100, the BCU300 and the BMU400 are pressed on the shielding layer 200 in parallel, the BCU300 and the BMU400 are connected with an upper shell 110 of the BDU body 100 through bolts, components inside the BDU body 100 are transversely installed in the BDU body 100, an opening is provided on a side wall of a lower shell 120 of the BDU body 100, lines of the components inside the BDU body are externally connected by extending outwards from the opening, the shielding layer 200 is provided for shielding protection, and the components are transversely installed, so that the height of the whole BDU body 100 is reduced to a certain extent compared with that of the vertical installation, after the BCU300 and the BMU400 are installed on the BDU body 100, the whole height of the whole is similar to that of the BDU body 100, and the space occupied in a horizontal direction is reduced.

The strengthening rib 111 is equipped with on the lateral wall of the lower casing 120 of BDU body 100 of this embodiment, be equipped with the installation position 112 on the strengthening rib 111, transversely install the components and parts through the bolt-up on the installation position 112, the intensity of the lateral wall of installation components and parts has been guaranteed to the structure of this design, avoids receiving vibrations to lead to warping, has also improved holistic installation stability simultaneously.

The lower casing 120 of the BDU body 100 of this embodiment is provided with three mounting points 121, be provided with four mounting points 121 on the upper casing 110 of the BDU body 100, three of the four mounting points 121 of the upper casing 110 correspond to the mounting point 121 on the lower casing 120, and another mounting point 121 is used for the whole BMS installation.

The upper shell 110 of the BDU body 100 of this embodiment is connected to the lower shell 120 of the BDU body 100 by bolting into the mounting point 121, the bolts passing through the shield layer 200.

The upper shell 110 of the BDU body 100 of this embodiment is provided with a BMU pressing plate 113, and the BMU pressing plate 113 is close to a mounting point 121 for mounting the BMS on the upper shell 110 of the BDU body 100.

In the above designed structure, the shielding layer 200 is installed together while the upper housing 110 is installed, and the BMS is fixed to the BDU lower housing 120 to be indirectly fixed to the PACK lower housing 120 to ensure the connection strength.

The BMU platen 113 of this embodiment and the below of the mounting point 121 for mounting the BMS are not provided with components, and the inside components are avoided, improving safety.

The foregoing examples merely illustrate certain embodiments of the utility model and are described in more detail and are not to be construed as limiting the scope of the utility model; it should be noted that it is possible for a person skilled in the art to make several variants and modifications without departing from the concept of the utility model, all of which fall within the scope of protection of the utility model; accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. BDU integrated structure of vertically arranging, its characterized in that: including BDU body (100), shielding layer (200), BCU (300) and BMU (400), shielding layer (200) are installed on the up end of BDU body (100), BCU (300) and BMU (400) are pressed side by side on shielding layer (200), BCU (300) and BMU (400) are all connected with last casing (110) of BDU body (100) through the bolt, the inside components and parts of BDU body (100) are all transversely installed in BDU body (100), be equipped with the opening on the lateral wall of lower casing (120) of BDU body (100).

2. A longitudinally aligned BDU integrated structure according to claim 1, characterized in that: the BDU is characterized in that a reinforcing rib (111) is arranged on the outer side wall of the lower shell (120) of the BDU body (100), an installation position (112) is arranged on the reinforcing rib (111), and components which are transversely installed are installed on the installation position (112) through bolts.

3. A longitudinally aligned BDU integrated structure according to claim 1, characterized in that: be equipped with three mounting point (121) on lower casing (120) of BDU body (100), be equipped with four mounting points (121) on last casing (110) of BDU body (100), wherein three mounting point (121) in four mounting points (121) of last casing (110) correspond with mounting point (121) on lower casing (120), another one mounting point (121) are used for whole BMS installation.

4. A longitudinally aligned BDU integrated structure according to claim 3, characterized in that: the upper shell (110) of the BDU body (100) is connected with the lower shell (120) of the BDU body (100) through a bolt screwed into a mounting point (121), and the bolt penetrates through the shielding layer (200).

5. A longitudinally aligned BDU integrated structure according to claim 3, characterized in that: be equipped with BMU clamp plate (113) on the last casing (110) of BDU body (100), BMU clamp plate (113) are close to mounting point (121) that are used for installing BMS on the last casing (110) of BDU body (100).

6. A longitudinally aligned BDU integrated structure according to claim 5, characterized in that: the BMU pressing plate (113) and the lower part of the installation point (121) for installing the BMS are not provided with components.