CN217037603U

CN217037603U - Battery package BDU structure, battery package and vehicle

Info

Publication number: CN217037603U
Application number: CN202122960529.6U
Authority: CN
Inventors: 赵韬征
Original assignee: Beijing CHJ Automobile Technology Co Ltd
Current assignee: Beijing CHJ Automobile Technology Co Ltd
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-07-22
Anticipated expiration: 2031-11-26

Abstract

The utility model relates to the technical field of vehicles, especially, relate to a battery package BDU structure, battery package and vehicle. The utility model provides a battery package BDU structure includes the casing, goes up the casing and has seted up the dismouting mouth, and the dismouting mouth is equipped with the dismouting lid, and the dismouting lid can be dismantled with the dismouting mouth and be connected. The battery pack provided by the present disclosure includes the battery pack BDU structure provided by the present disclosure. The vehicle provided by the disclosure comprises the battery pack provided by the disclosure. In the battery package BDU structure, battery package and vehicle that this disclosure provided, need not open holistic last casing when the installation of the whole supplied materials of BDU, hold the components and parts of intracavity portion and need not all expose, only need will need connect the solitary dismouting lid at position open can, the foreign matter that causes of the exposure of the components and parts of having avoided inside drops the scheduling problem, has improved the installation effectiveness. When the battery pack breaks down, the dismounting cover can be opened, the damaged components and parts can be directly replaced, the quick replacement is realized, and the dismounting and maintenance efficiency is improved.

Description

Battery package BDU structure, battery package and vehicle

Technical Field

The utility model relates to a vehicle technical field especially relates to a battery package BDU structure, battery package and vehicle.

Background

With the continuous development of new energy technology, new energy products are continuously popularized, the market share of electric vehicles is continuously improved, and a battery system distribution Box (BDU) serving as an important electronic control component of the new energy products also becomes a hotspot of research and development. At present, a distribution box of a battery system is mostly composed of an upper shell, a lower shell, a copper bar and corresponding functional electrical elements.

Traditional power battery package BDU is casing on bolted connection's the integral usually, when the whole supplied materials of BDU, the workman need pull down last casing in the time of the installation, will go up the casing assembly after finishing the installation again, goes up the dismantlement of casing and installation and can occupy partly man-hour, pulls down the back of going up the casing, and the inside foreign matter that also drops easily of BDU.

SUMMERY OF THE UTILITY MODEL

In order to solve the above technical problems or at least partially solve the above technical problems, the present disclosure provides a battery pack BDU structure, a battery pack, and a vehicle.

A first aspect of the present disclosure provides a battery pack BDU structure, including: the upper shell is provided with a dismounting port, the dismounting port is provided with a dismounting cover, and the dismounting cover is detachably connected with the dismounting port.

Further, the battery pack BDU structure also comprises a lower shell, and the lower shell is connected with the upper shell;

go up the casing with be formed with between the casing down and hold the chamber, it is equipped with electrical components to hold the intracavity, electrical components with the dismouting mouth corresponds the setting.

Further, the dismouting lid is equipped with buckle subassembly, buckle subassembly includes block portion and opening part, block portion be used for with casing joint down, opening part be used for changing block portion with distance between the casing down.

Furthermore, the clamping part is provided with a clamping hole, one side of the lower shell opposite to the clamping part is provided with a flange part protruding outwards, and the clamping hole is clamped with the flange part;

or, one of the clamping part and the lower shell is provided with a protrusion, the other of the clamping part and the lower shell is provided with a groove, and the protrusion is clamped with the groove.

Furthermore, the dismouting lid is equipped with two at least buckle subassembly, buckle subassembly sets up respectively the both sides that the dismouting lid deviates from each other.

Furthermore, one side of the dismounting cover is hinged to the upper shell, and the other side of the dismounting cover is connected with the lower shell in a clamping mode through the buckle assembly.

Furthermore, the dismouting mouth is including being located go up the first dismouting mouth that is used for installing the total positive connector of battery of casing both sides and the second dismouting mouth that is used for installing the total negative connector of battery, first dismouting mouth with second dismouting mouth all is equipped with the dismouting lid.

Further, the disassembly and assembly port comprises a third disassembly and assembly port for externally outputting the wiring harness, and the third disassembly and assembly port is provided with the disassembly and assembly cover;

and/or, the dismouting mouth is including the fourth dismouting mouth that is used for installing front drive motor high voltage connector or back drive motor high voltage connector, the fourth dismouting mouth is equipped with the dismouting lid.

A second aspect of the present disclosure provides a battery pack including the BDU structure.

A third aspect of the present disclosure provides a vehicle including the battery pack.

Compared with the prior art, the technical scheme provided by the embodiment of the disclosure has the following advantages:

the BDU structure of battery package that this disclosed embodiment provided includes the casing, go up the casing and seted up the dismouting mouth, the dismouting mouth is equipped with the dismouting lid, the dismouting lid can be dismantled with the dismouting mouth and be connected, need not open holistic last casing when the installation of the whole supplied materials of BDU, it need not all expose to hold the components and parts of intracavity portion, only need will need to connect the position solitary dismouting lid open can, the foreign matter that the exposure of inside components and parts caused drops the possibility that the scheduling problem takes place, the installation effectiveness has been improved. When the battery package breaks down, can open the dismouting lid, the components and parts of direct change damage need not dismantle the battery package from whole car, can realize directly changing components and parts on whole car, reduce human cost and man-hour for the maintenance progress has been accelerated, realizes quick replacement, has improved dismantlement and maintenance efficiency. This embodiment makes BDU's components and parts dismouting more convenient through seting up the dismouting mouth at holistic last casing, needn't loaded down with trivial details dismantle the back with the battery package and carry out the dismouting to battery package BDU again, has improved maintenance efficiency, has realized changing battery package BDU's quick maintenance.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.

In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present disclosure, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

Fig. 1 is a schematic top view of a BDU structure of a battery pack according to an embodiment of the disclosure;

fig. 2 is a schematic front view of a BDU structure of a battery pack according to an embodiment of the disclosure;

fig. 3 is a schematic top view of a BDU structure of a battery pack according to an embodiment of the disclosure with a detachable cover removed;

fig. 4 is a perspective view of a BDU structure of a battery pack according to an embodiment of the disclosure;

FIG. 5 is a partial enlarged view taken at a point a in FIG. 4;

fig. 6 is a schematic structural diagram of a first dismounting port of a BDU structure of a battery pack according to an embodiment of the disclosure;

fig. 7 is a schematic structural diagram of a second disassembly and assembly port of the BDU structure of the battery pack according to the embodiment of the disclosure;

fig. 8 is a schematic structural diagram of a third dismounting port of the BDU structure of the battery pack according to the embodiment of the disclosure;

fig. 9 is a schematic structural view illustrating an opening of a detachable cover at a third detaching port of a BDU structure of a battery pack according to an embodiment of the disclosure;

fig. 10 is a schematic structural diagram of a fourth opening of the BDU structure of the battery pack according to the embodiment of the disclosure.

Reference numerals are as follows: 1. an upper housing; 11. a first disassembly and assembly port; 12. a second disassembly and assembly port; 13. a third disassembly and assembly port; 14. a fourth disassembly and assembly port; 15. disassembling and assembling the cover; 16. a hinge portion; 2. a buckle assembly; 21. a fastening part; 211. a clamping hole; 22. an opening part; 3. a lower housing; 31. a flange portion.

Detailed Description

In order that the above objects, features and advantages of the present disclosure may be more clearly understood, aspects of the present disclosure will be further described below. It should be noted that, in the case of no conflict, the embodiments and features in the embodiments of the present disclosure may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced otherwise than as described herein; it is to be understood that the embodiments disclosed in the specification are only a few embodiments of the present disclosure, and not all embodiments.

Traditional power battery package BDU is casing 1 on bolted connection's the integral usually, when the whole supplied materials of BDU, the workman need pull down casing 1 in the time of the installation, will go up casing 1 assembly after finishing the installation again, and the dismantlement and the installation of going up casing 1 can occupy partly man-hour, pull down casing 1 back, the inside foreign matter that also drops easily of BDU. Based on this, this disclosed embodiment provides a battery package BDU structure to need not open holistic last casing 1 when making the installation of the whole supplied materials of BDU, hold the intracavity portion the components and parts need not all expose, only need with need connect the position the solitary dismouting lid open can, reduced the possibility that the foreign matter that the exposure of inside components and parts caused dropped the scheduling problem and take place, improved the installation effectiveness.

Referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8, fig. 9 and fig. 10, the BDU structure of a battery pack provided by the embodiment of the present disclosure includes an upper housing 1, the upper housing 1 has been provided with a dismounting port, the dismounting port is provided with a dismounting cover 15, the dismounting cover 15 is detachably connected to the dismounting port, the whole upper housing 1 does not need to be opened when the BDU is installed as a whole incoming material, all components inside a containing cavity do not need to be exposed, only the independent dismounting cover 15 at the part needing to be connected needs to be opened, the possibility of the problems of foreign matter dropping and the like caused by the exposure of the internal components is reduced, and the installation efficiency is improved. When the battery package breaks down, can open dismouting lid 15, the components and parts of direct change damage need not dismantle the battery package from whole car, can realize directly changing components and parts on whole car, have reduced human cost and man-hour for the maintenance progress, can realize quick replacement, improved dismantlement and maintenance efficiency. This embodiment is through seting up the dismouting mouth at holistic last casing 1, and it is more convenient to make BDU's components and parts dismouting, needn't loaded down with trivial details dismantle the back with the battery package again to carry out the dismouting to battery package BDU, has improved maintenance efficiency, has realized the quick maintenance change to battery package BDU.

In some specific embodiments, the battery pack BDU structure further includes a lower case 3, and the lower case 3 is connected to the upper case 1. Optionally, the lower housing 3 is connected to the upper housing 1 through a fastener, and optionally, the lower housing 3 is clamped to the upper housing 1 through the snap assembly 2. Go up and be formed with between casing 1 and the lower casing 3 and hold the chamber, hold the intracavity and be equipped with electrical components, electrical components corresponds the setting with the dismouting mouth. When the whole incoming material of BDU is installed, the whole upper shell 1 does not need to be opened, the internal electric appliance assembly does not need to be exposed completely, only the independent dismounting cover 15 of the part needing to be connected is opened, the problems that foreign matters caused by the exposure of internal components fall off and the like are avoided, and the installation efficiency is improved. When the battery package breaks down, can open dismouting lid 15, directly change the components and parts of damage, need not dismantle the battery package from whole car, can realize directly changing components and parts on whole car, reduce human cost and man-hour for the maintenance progress realizes quick replacement, has improved dismantlement and maintenance efficiency, has realized the quick maintenance change to battery package BDU.

The electrical appliance assembly can comprise a heating anode relay, a heating cathode relay, a heating fuse, a heating anode interface and a heating cathode interface which form the heating loop; the main positive relay, the main negative relay, the discharging negative electrode interface, the discharging positive electrode interface, the battery positive electrode interface and the battery negative electrode interface form a main loop; the low-voltage circuit comprises a connector, a Hall sensor, a functional relay and the like.

As shown in fig. 4, 6 and 7, the detachable cover 15 is provided with a snap assembly 2, the snap assembly 2 includes a clamping portion 21 and an opening portion 22, the clamping portion 21 is used for clamping with the lower housing 3, and the opening portion 22 is used for changing the distance between the clamping portion 21 and the lower housing 3. When it is necessary to open the detachable lid 15, the engaging portion 21 is separated from the lower case 3 by pressing the opening portion 22, and the detachable lid 15 can be opened.

Alternatively, the opening portion 22 and the engaging portion 21 are connected by a connecting section, and the connecting section is connected to the upper case 1. Optionally, the opening portion 22 itself can be deformed, that is, can be opened and closed, and when the opening portion 22 is deformed, the connecting section drives the engaging portion 21, so that the engaging process of the engaging portion 21 and the lower housing 3 can be realized. Optionally, the engaging portion 21 and the opening portion 22 may be made into a sheet or a spring sheet, and the engaging portion 21 and the lower housing 3 may be separated by elasticity and good flexibility of the sheet or the spring sheet when the opening portion 22 is pressed, and the engaging portion 21 may be engaged with the lower housing 3 after the opening portion 22 stops being pressed. When the whole incoming material of BDU is installed, the whole upper shell 1 does not need to be opened, the internal electric appliance components do not need to be exposed completely, and only the opening part 22 of the dismounting cover 15 needs to be pressed, so that the problems of falling of foreign matters caused by exposure of the internal components and parts and the like are avoided, and the installation efficiency is improved. When the battery package breaks down, can open dismouting lid 15 through the opening portion 22 of pressing down dismouting lid 15, directly change the components and parts of damage, need not dismantle the battery package from whole car, can realize directly changing components and parts on whole car, reduced human cost and man-hour for the maintenance progress, can realize quick replacement, improved dismantlement and maintenance efficiency, realized the quick maintenance change to battery package BDU.

When needs installation components and parts or maintain or change the components and parts that damage, because dismouting lid 15 is connected through buckle subassembly 2 with lower casing 3, avoided using fasteners such as bolt or nut, just so can avoid fasteners such as bolt or nut directly to drop in holding the intracavity, or fall into in the battery package, consequently can not cause mechanical damage to the components and parts in the battery package, and then also can not cause incident such as battery package explosion on fire, can effectively improve the security performance of battery package.

In some embodiments, the engaging portion 21 is provided with an engaging hole 211, the lower housing 3 is provided with a flange 31 protruding outward on a side opposite to the engaging portion 21, and the engaging hole 211 is engaged with the flange 31. When it is necessary to open the detachable lid 15, the opening portion 22 is pressed, and the engagement hole 211 of the engagement portion 21 can be separated from the flange portion 31 of the lower case 3. When the detachable lid 15 needs to be closed, the engagement hole 211 of the engagement portion 21 can be engaged with the flange portion 31 of the lower case 3, and the detachable lid has a simple structure and is convenient to operate. Alternatively, the flange portion 31 may be columnar, rectangular parallelepiped, or square, as long as it can be stably connected to the lower housing 3 by the detachable lid 15 in cooperation with the engagement hole 211.

In some embodiments, one of the engaging portion 21 and the lower case 3 is provided with a protrusion, and the other of the engaging portion 21 and the lower case 3 is provided with a groove, and the protrusion is engaged with the groove.

Optionally, the engaging portion 21 is provided with a protrusion, and one side of the lower housing 3 opposite to the engaging portion 21 is provided with a groove, and the protrusion is engaged with the groove. When it is necessary to open the detachable lid 15, the protrusion can be separated from the recess by pressing the opening part 22. When the detachable cover 15 needs to be closed, the protrusion can be clamped with the groove, the structure is simple, and the operation is convenient. The shape of the protrusion can be any suitable shape as long as the protrusion can be matched with the groove in a clamping manner to realize stable connection between the detachable cover 15 and the lower shell 3. The number of the snap assemblies 2 can be one, two or three … …, and the snap assemblies 2 can be arranged at the required positions of the detachable cover 15 and the number of the snap assemblies 2 can be selected according to the requirement.

In some specific embodiments, the detachable cover 15 is provided with at least two fastening assemblies 2, and the fastening assemblies 2 are respectively disposed on two sides of the detachable cover 15, so that the detachable cover 15 can be stably mounted on the lower housing 3, and the connection stability is improved.

Optionally, at the both sides that the dismouting lid 15 deviates from each other, the quantity of each side buckle subassembly 2 can set up one respectively, two, three … … as long as can be with dismouting lid 15 with lower casing 3 stable connection can.

As shown in fig. 4, 5, 8, 9 and 10, one side of the detachable cover 15 is hinged to the upper housing 1, and the other side of the detachable cover 15 is connected to the lower housing 3 by the snap assembly 2. Namely, at the both sides that 15 deviate from each other of dismouting lid, wherein the dismouting lid 15 of one side is articulated with upper housing 1, and the dismouting lid 15 of opposite side passes through buckle component 2 joint with lower casing 3. When it is necessary to open the detachable cover 15, the detachable cover 15 on the side connected by the clip assembly 2 is separated from the lower housing 3 by opening the clip assembly 2, and then the detachable cover 15 is rotated about the hinge axis of the hinge portion 16 to expose the detachable opening.

Specifically, the latch assembly 2 includes an opening portion 22 and an engaging portion 21, and when the detachable cover 15 needs to be opened, the opening portion 22 of the latch assembly 2 is pressed to separate the engaging portion 21 from the lower housing 3, and then the detachable cover 15 is rotated around the hinge shaft to expose the detachable opening. When needs installation components and parts or maintain or change the components and parts that damage, because dismouting lid 15 passes through buckle subassembly 2 with lower casing 3 and is connected with articulated, fasteners such as use bolt or nut have been avoided, just so can avoid fasteners such as bolt or nut directly to drop in holding the intracavity, or fall into in the battery package, consequently can not cause mechanical damage to the components and parts in the battery package, and then also can not cause incident such as battery package explosion on fire, can effectively improve the security performance of battery package.

The hinge portion 16 may be one, two, or three … … according to the size of the opening of the detachable opening, each hinge portion 16 is provided with a hinge shaft, and the detachable cover 15 is hinged with the hinge portion 16 through the hinge shaft.

In some specific embodiments, the dismouting mouth is including the first dismouting mouth 11 that is located 1 both sides of last casing that is used for installing the total positive connector of battery and the second dismouting mouth 12 that is used for installing the total positive connector of battery, first dismouting mouth 11 is equipped with dismouting lid 15, when the total positive connector of battery needs to be connected, only need open the dismouting lid 15 on the first dismouting mouth 11 can, need not open holistic last casing 1, hold the inside components and parts of chamber and need not all expose, reduced because the possibility that the foreign matter that causes of exposing of inside components and parts dropped the scheduling problem and take place, installation effectiveness has been improved. Second dismouting mouth 12 is equipped with dismouting lid 15, when the total negative connector of battery is connected to needs, only need open the dismouting lid 15 on second dismouting mouth 12 can, need not open holistic last casing 1, the components and parts that hold intracavity portion need not all expose, have reduced because the possibility that the foreign matter that causes of exposing of inside components and parts drops the scheduling problem and take place, have improved the installation effectiveness.

In some specific embodiments, the mounting/dismounting port comprises a third mounting/dismounting port 13 for externally outputting the wire harness, and the third mounting/dismounting port 13 is provided with a mounting/dismounting cover 15. When the wiring harness needs to be connected, only the dismounting cover 15 on the third dismounting port 13 needs to be opened, the whole upper shell 1 does not need to be opened, the components in the accommodating cavity do not need to be exposed completely, the possibility of the problems of falling of foreign matters caused by the exposure of the components in the accommodating cavity and the like is reduced, and the mounting efficiency is improved.

In some specific embodiments, the mounting/dismounting port comprises a fourth mounting/dismounting port 14 for mounting the front-drive-motor high-voltage connector, and the fourth mounting/dismounting port 14 is provided with a mounting/dismounting cover 15. When the front-drive-motor high-voltage connector needs to be connected and installed, only the dismounting cover 15 on the fourth dismounting port 14 needs to be opened, the whole upper shell 1 does not need to be opened, all the components in the accommodating cavity do not need to be exposed, the possibility of the problems of falling of foreign matters caused by the exposure of the components in the accommodating cavity and the like is reduced, and the installation efficiency is improved.

In some specific embodiments, the mounting/dismounting port comprises a fourth mounting/dismounting port 14 for mounting the high-voltage connector of the rear driving motor, and the fourth mounting/dismounting port 14 is provided with a mounting/dismounting cover 15. When the back driving motor high voltage connector is connected, only the dismounting cover 15 on the fourth dismounting port 14 needs to be opened, the whole upper shell 1 does not need to be opened, the components in the accommodating cavity do not need to be exposed completely, the possibility of the problems of falling of foreign matters caused by the exposure of the components in the accommodating cavity and the like is reduced, and the installation efficiency is improved.

The battery pack provided by the embodiment of the disclosure comprises the BDU structure of the battery pack provided by the embodiment of the disclosure. The vehicle that this disclosure embodiment provided includes the battery package that this disclosure embodiment provided. Since the vehicle or the battery pack provided by the embodiment of the present disclosure has the same advantages as the BDU structure of the battery pack provided by the embodiment of the present disclosure, the description thereof is omitted.

It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.

The foregoing are merely exemplary embodiments of the present disclosure, which enable those skilled in the art to understand or practice the present disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A battery pack BDU structure, comprising: the upper shell is provided with a dismounting opening, the dismounting opening is provided with a dismounting cover, and the dismounting cover is detachably connected with the dismounting opening.

2. The battery pack BDU structure of claim 1, further comprising a lower shell connected to the upper shell;

3. The BDU structure of the battery pack as recited in claim 2, wherein the detachable cover is provided with a buckle assembly, the buckle assembly comprises a clamping part and an opening part, the clamping part is used for clamping with the lower shell, and the opening part is used for changing the distance between the clamping part and the lower shell.

4. The BDU structure of the battery pack as recited in claim 3, wherein the engaging portion is provided with an engaging hole, one side of the lower shell opposite to the engaging portion is provided with a flange portion protruding outwards, and the engaging hole is engaged with the flange portion;

5. The BDU structure of the battery pack as claimed in claim 3, wherein the detachable cover is provided with at least two of the buckling assemblies, and the buckling assemblies are respectively arranged at two sides of the detachable cover which are mutually deviated.

6. The BDU structure of battery pack according to claim 3, wherein one side of the detachable cover is hinged with the upper shell, and the other side of the detachable cover is clamped with the lower shell through the buckle assembly.

7. The BDU structure of battery pack as claimed in any one of claims 1 to 6, wherein the assembling and disassembling ports comprise a first assembling and disassembling port for installing a battery assembly positive connector and a second assembling and disassembling port for installing a battery assembly negative connector, which are positioned at two sides of the upper shell, and the assembling and disassembling ports are provided with the assembling and disassembling covers.

8. The BDU structure of a battery pack according to claim 1, wherein the disassembly and assembly ports comprise a third disassembly and assembly port for externally outputting a wire harness, and the third disassembly and assembly port is provided with the disassembly and assembly cover;

9. A battery pack, comprising the BDU structure for a battery pack according to any one of claims 1 to 8.

10. A vehicle characterized by comprising the battery pack according to claim 9.