CN214043898U

CN214043898U - Battery box and battery package

Info

Publication number: CN214043898U
Application number: CN202023151380.9U
Authority: CN
Inventors: 孙慧; 梁先豫; 龚木红; 李参; 蔡军; 江吉兵; 郑剑
Original assignee: Hubei Eve Power Co Ltd
Current assignee: Hubei Eve Power Co Ltd
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-08-24
Anticipated expiration: 2030-12-24

Abstract

The utility model relates to a battery box and battery package, battery box include main part and upper cover, and the upper cover can be dismantled and set up in the top of main part, forms the chamber that holds that is used for installing the battery module between upper cover and the main part, and the upper cover deviates from a side that holds the chamber and is the installation face, is provided with the installation panel on the installation face, and the installation panel is used for connecting pencil and battery module, and along the length direction of upper cover, the both ends of upper cover are provided with the guiding gutter, and the guiding gutter runs through the both ends that the upper cover is relative. By providing the mounting panel on the upper cover, all of the wire harnesses for connection with the external device are integrated on the mounting panel. The guide grooves are arranged at the two ends of the upper cover, so that water is prevented from being accumulated on the mounting surface. The battery box body has the characteristics of good hydrophobicity and high space utilization rate.

Description

Battery box and battery package

Technical Field

The utility model relates to a battery technology field especially relates to a battery box and including battery package of this battery box.

Background

With the rapid development of new energy industry, lithium batteries are widely used in the forklift industry. At present, lithium batteries are mainly used in the form of battery packs mounted on forklifts. The Battery pack comprises a Battery box body, a Battery module and a BDU module, wherein the BDU module (Battery Disconnect Unit, BDU and Battery Disconnect Unit) is a working Unit for high-voltage distribution, disconnection and short-circuit protection of the Battery pack. The battery box provides the guard action for battery module, is provided with the connecting terminal that is used for being connected with external equipment on the lateral wall of battery box. Because the connection terminal is more and the distribution is comparatively dispersed to need provide space for connection terminal and pencil when the installation battery box, and then lead to the utilization ratio of installation space not high. Simultaneously, fork truck is in the use, if long-time ponding in battery box surface, influences battery system's reliability easily.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a battery box and battery package, its hydrophobicity is good, and space utilization is high.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a pair of battery box, includes main part and upper cover, the upper cover can dismantle set up in the top of main part, the upper cover with form the chamber that holds that is used for installing the battery module between the main part, the upper cover deviates from a side that holds the chamber is the installation face, be provided with the installation panel on the installation face, the installation panel be used for connecting the pencil with the battery module is followed the length direction of upper cover, the both ends of upper cover are provided with the guiding gutter, the guiding gutter runs through the both ends that the upper cover is relative.

Further, the main part include the U-shaped board with set up in the curb plate at U-shaped board both ends, the U-shaped board with the curb plate encloses to establish and forms hold the chamber, the top that holds the chamber has the opening, the upper cover is used for the shutoff the opening.

Furthermore, the top end of the side plate protrudes out of the opening, and one side of the side plate, which is close to the top end of the side plate, is provided with a lug hole.

Further, the upper cover includes apron and two connecting plates, two the connecting plate respectively set up perpendicularly in apron width direction's both ends, just the free end orientation of connecting plate the direction of main part extends, the connecting plate with the outer wall of main part passes through the fastener and is connected, apron length direction's both ends respectively with two the curb plate is connected.

Further, the upper cover still includes the guide plate, the guide plate includes first board and the second board that mutually perpendicular set up, the first board set up in the apron is close to hold a side in chamber, the second board is located the first board and carries away from hold one side in chamber, the second board with the apron interval, so that the second board with form between the apron the guiding gutter, the second board is carried away from a side of guiding gutter with the curb plate is connected.

Further, still be provided with the operation window on the installation face, the operation window includes the casing, the casing has both ends open-ended operation chamber, the one end in operation chamber with hold the chamber intercommunication, the other end in operation chamber is provided with the top cap, the top cap with the casing passes through the fastener and is connected.

Further, the installation panel set up in on the lateral wall of casing, the installation panel includes the BDU module, the BDU module respectively with the pencil with the battery module electricity is connected.

Further, a plurality of connecting terminals are arranged on the panel body at intervals, the BDU module is electrically connected with the wiring harness through the connecting terminals, and the connecting terminals are Glan heads.

Further, still be provided with the fixed bolster on the installation face, the fixed bolster with the installation panel sets up relatively, the fixed bolster includes the fixed plate, the fixed plate with the installation face is parallel and the interval sets up, the interval is provided with a plurality of through-holes on the fixed plate, the through-hole is used for wearing to establish the ribbon, the pencil passes through the ribbon is fixed on the fixed plate.

Also provides a battery pack, which comprises the battery box body.

The utility model discloses compare in prior art's beneficial effect:

the utility model discloses a battery box is through setting up the installation panel on covering, will be used for the whole integrations of pencil of being connected with external equipment on the installation panel, improves space utilization. Meanwhile, the two ends of the upper cover are provided with flow guide grooves, so that water is prevented from being accumulated on the mounting surface. The battery box body has the characteristics of good hydrophobicity and high space utilization rate.

Drawings

Fig. 1 is a schematic view of a battery case of an embodiment.

Fig. 2 is an exploded view of the main body of the embodiment.

Fig. 3 is a side sectional view of the battery case of the embodiment.

Fig. 4 is a front sectional view of the battery case of the embodiment.

Fig. 5 is a partially enlarged view of a portion a in fig. 1.

Fig. 6 is a schematic view of a fixing bracket of an embodiment.

In the figure:

1. a main body; 10. an accommodating chamber; 11. a U-shaped plate; 12. a side plate; 121. a lug hole; 2. an upper cover; 21. a cover plate; 22. a connecting plate; 23. a diversion trench; 24. a baffle; 241. a first plate; 242. a second plate; 3. an operating window; 31. a housing; 32. a top cover; 4. fixing a bracket; 41. a fixing plate; 42. a through hole; 43. a support leg; 5. installing a panel; 51. a connection terminal; 6. a wire harness.

Detailed Description

In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the technical solution of the present invention will be further explained by combining the drawings and by means of the specific implementation manner.

As shown in fig. 1 to 6, the utility model provides a pair of battery box, including main part 1 and upper cover 2, upper cover 2 can be dismantled and set up in the top of main part 1, form the chamber 10 that holds that is used for installing the battery module between upper cover 2 and the main part 1, upper cover 2 deviates from a side that holds chamber 10 and is the installation face, be provided with installation panel 5 on the installation face, install a plurality of connecting terminal 51 on the installation panel 5, installation panel 5 is used for connecting pencil 6, the one end and the connecting terminal 51 of pencil 6 are connected, the other end and the external equipment of pencil 6 are connected. Meanwhile, the connection terminals 51 on the mounting panel 5 are electrically connected with the battery modules mounted in the receiving cavity 10 through wires to electrically connect the battery modules with external devices. Because a plurality of connecting terminals 51 are all integrated on the installation panel 5, and the installation panel 5 is positioned on the upper cover 2, the installation positions of the wiring harnesses 6 connected with the external equipment by the installation panel 5 are concentrated, so that the corresponding wiring harnesses 6 are not required to be installed on the other side surfaces of the battery box body except the installation surface, and the space utilization rate of the battery box body is improved. The guide grooves 23 are formed at both ends of the upper cover 2 along the longitudinal direction (X direction in the figure) of the upper cover 2, and the guide grooves 23 penetrate through the opposite ends of the upper cover 2. The diversion trench 23 is used for diverting accumulated water on the installation surface, and the influence of the accumulated water on the installation surface on the electric parts on the installation panel 5 is avoided. The guide groove 23 extends in the longitudinal direction along the width direction (shown in the figure Y direction) of the upper cover 2, and both ends of the guide groove 23 communicate with both ends of the upper cover 2 in the width direction, so that accumulated water is discharged from both ends of the guide groove 23. In the present embodiment, the mounting panel 5 is provided on the upper cover 2, and the wiring harness 6 for connecting with the external device is entirely integrated on the mounting panel 5, thereby improving space utilization. Meanwhile, the two ends of the upper cover 2 are provided with the flow guide grooves 23, so that water accumulation on the mounting surface is avoided. The battery box body has the characteristics of good hydrophobicity and high space utilization rate.

Specifically, still be provided with operation window 3 on the installation face, operation window 3 is rectangle cavity structures, and it includes casing 31 and top cap 32, and casing 31 has both ends open-ended operation chamber, and the one end in operation chamber with hold chamber 10 intercommunication, the other end in operation chamber can be used to operating personnel and overhauls the use, and top cap 32 deviates from the one end that holds chamber 10 through fastener and casing 31 and can dismantle the connection. Preferably, the fastener is a countersunk screw. When overhauing the battery module that holds in the chamber 10 and the wire of being connected with the battery module, can directly overhaul through operation window 3, avoid demolising whole upper cover 2, convenient operation. Meanwhile, because the battery module in the accommodating cavity 10 is compactly installed, the side of the installation panel 5 close to the accommodating cavity 10 is provided with the BDU module, and the BDU module is respectively connected with the battery module and the connecting terminal 51, so that the BDU module and the battery module can be connected through the operation window 3, and the operation is facilitated.

Specifically, the main body 1 includes a U-shaped plate 11 and side plates 12 disposed at two ends of the U-shaped plate 11, the U-shaped plate 11 and the side plates 12 enclose to form a containing cavity 10, the top of the containing cavity 10 has an opening, the upper cover 2 is mounted on the top of the main body 1, and the upper cover 2 blocks the opening. U-shaped plate 11 includes the bottom plate of level setting and locates the riser at the relative both ends of bottom plate, and the one end that the riser deviates from the bottom plate extends towards the top of bottom plate, and the riser is perpendicular with the bottom plate. Preferably, the U-shaped plate 11 is integrally formed, and may be directly stamped and formed by stamping. The two ends of the U-shaped plate 11 in the length direction and the top of the U-shaped plate 11 are both openings, the side plates 12 are welded at the two ends of the U-shaped plate 11 in the length direction, and the side plates 12 block the openings at the two ends of the U-shaped plate 11, so that the accommodating cavity 10 with the top opening is formed between the U-shaped plate 11 and the side plates 12. The main body 1 of the structure has simple structure and is convenient to produce and manufacture.

Specifically, the top end of the side plate 12 protrudes from the opening, and one side of the side plate 12 near the top end thereof is provided with a lug hole 121. In this embodiment, the height of the side plate 12 is greater than the height of the vertical plate, that is, the distance from the top end of the side plate 12 to the bottom of the accommodating cavity 10 is greater than the distance from the opening of the accommodating cavity 10 to the bottom, and the upper cover 2 is installed at the opening position of the accommodating cavity 10, so that the top end of the side plate 12 is higher than the upper cover 2. The lifting lug hole 121 is arranged in the area of the side plate 12 higher than the upper cover 2 and can be used for lifting during transportation.

Specifically, the upper cover 2 includes a cover plate 21 and two connecting plates 22, the two connecting plates 22 are respectively vertically disposed at two ends of the cover plate 21 in the width direction (shown in the figure Y direction), the free ends of the connecting plates 22 extend toward the main body 1, the connecting plates 22 are connected to the outer wall of the main body 1 by fasteners, and two ends of the cover plate 21 in the length direction (shown in the figure X direction) are respectively connected to the two side plates 12. In this embodiment, a mounting groove is formed between the cover plate 21 and the two connecting plates 22, and the top of the main body 1 is inserted into the mounting groove. Along the length direction of the connecting plate 22, a plurality of countersunk screws are arranged at intervals on the connecting plate 22, and the connecting plate 22 is abutted against the vertical plate of the U-shaped plate 11 and is fixedly connected through the countersunk screws.

Specifically, the upper cover 2 further includes a flow guide plate 24, the flow guide plate 24 includes a first plate 241 and a second plate 242 that are perpendicular to each other, the first plate 241 is disposed on a side surface of the cover plate 21 that is close to the accommodating cavity 10, the second plate 242 is disposed on a side of the first plate 241 that is away from the accommodating cavity 10, the second plate 242 is connected to an end of the cover plate 21, so that a flow guide groove 23 is formed between the second plate 242 and the cover plate 21, and a side surface of the second plate 242 that is away from the flow guide groove 23 is connected to the side plate 12. In this embodiment, the first plate 241 and the second plate 242 are integrally formed, and the baffle 24 is formed in an "L" shape. When the baffle plate 24 is installed on the side plate 12, preferably, one side of the second plate 242 facing away from the baffle groove 23 is welded and fixed with the side plate 12. One end of the first plate 241 is connected to the second plate 242, the other end of the first plate 241 extends toward the middle of the accommodating chamber 10, and one side of the first plate 241 close to the guiding groove 23 is flush with the opening of the accommodating chamber 10. When the upper cover 2 is installed, one side surface of the cover plate 21 close to the accommodating cavity 10 is abutted against the first plate 241 and the top end surface of the main body 1, and the connecting plate 22 is abutted against the vertical plate of the main body 1 and is fixed on the vertical plate through a fastener. Of course, in order to improve the sealing effect between the upper cover 2 and the main body 1, a sealing gasket is provided between the cover plate 21 and the first plate 241.

Specifically, the mounting panel 5 is provided on a side wall of the housing 31, and the mounting panel 5 includes a panel body and a BDU module mounted on the panel body, the BDU module being electrically connected to the wire harness 6 and the battery module, respectively. In this embodiment, the panel body and the housing 31 are integrally formed, and one side surface of the housing 31 is used as the panel body, so as to save space. Along the horizontal direction, a plurality of connecting terminals 51 are arranged on the panel body at intervals, and the BDU module is connected with the wiring harness 6 through the connecting terminals 51, so that the wiring harness 6 connected with the connecting terminals 51 can be distributed along the horizontal direction, and the wiring harness 6 is fixed on the fixing support 4. Preferably, the connection terminal 51 is a glan head.

Specifically, still be provided with fixed bolster 4 on the installation face, fixed bolster 4's effect lies in fixing pencil 6, avoids pencil 6 in disorder, still can guarantee simultaneously that pencil 6 can not cause the influence to pencil 6 and connecting terminal 51's junction when taking place to drag, guarantees that the connection of pencil 6 is reliable. The fixing bracket 4 is disposed opposite to the installation panel 5, and the fixing bracket 4 is spaced apart from the installation panel 5 by a certain distance to facilitate an installation operation between the wire harness 6 and the connection terminal 51. The fixing bracket 4 includes a fixing plate 41, the fixing plate 41 is parallel to the mounting surface and is arranged at an interval, the length direction of the fixing plate 41 is parallel to the width direction of the upper cover 2, a plurality of through holes 42 are arranged on the fixing plate 41 at intervals along the length direction of the fixing plate 41, the through holes 42 are used for penetrating through a binding belt, and the wiring harness 6 is fixed on the fixing plate 41 through the binding belt. The fixing bracket 4 further includes a leg 43, the leg 43 is used for supporting the fixing plate 41, and both ends of the leg 43 are connected to the mounting surface and the fixing plate 41, respectively. Preferably, the fixing plate 41 and the leg 43 are integrally formed.

The remarkable effects of the embodiment are as follows: by providing the mounting panel 5 on the upper cover 2, the wiring harness 6 for connecting with the external device is entirely integrated on the mounting panel 5, improving space utilization. Meanwhile, the two ends of the upper cover 2 are provided with the flow guide grooves 23, so that water accumulation on the mounting surface is avoided. The battery box body has the characteristics of good hydrophobicity and high space utilization rate.

Still provide a battery package, including foretell battery box and the battery module of setting in the battery box. The battery module is assembled by a plurality of electric cores and is formed, is provided with the connecting bar on the battery module, and just, the negative pole post of every electric core all is connected with the connecting bar electricity, and the connecting bar converges each electric core to be connected with installation panel 5 through the wire, realize battery package and external equipment's electric path. This battery package accessible operation window 3 overhauls, convenient operation to and have good hydrophobic performance and the high characteristics of space utilization.

The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.

Claims

1. The utility model provides a battery box, its characterized in that, includes main part and upper cover, the upper cover can dismantle set up in the top of main part, the upper cover with form the chamber that holds that is used for installing the battery module between the main part, the upper cover deviates from a side that holds the chamber is the installation face, be provided with the installation panel on the installation face, the installation panel be used for connecting the pencil with the battery module is followed the length direction of upper cover, the both ends of upper cover are provided with the guiding gutter, the guiding gutter runs through the both ends that the upper cover is relative.

2. The battery box body as claimed in claim 1, wherein the main body comprises a U-shaped plate and side plates disposed at two ends of the U-shaped plate, the U-shaped plate and the side plates enclose to form the accommodating cavity, the top of the accommodating cavity has an opening, and the upper cover is used for plugging the opening.

3. The battery box body as claimed in claim 2, wherein the top end of the side plate protrudes from the opening, and a lug hole is formed on one side of the side plate near the top end.

4. The battery box body as claimed in claim 3, wherein the upper cover includes a cover plate and two connecting plates, the two connecting plates are respectively and vertically disposed at two ends of the cover plate in the width direction, the free ends of the connecting plates extend towards the main body, the connecting plates are connected with the outer wall of the main body through fasteners, and two ends of the cover plate in the length direction are respectively connected with the two side plates.

5. The battery box body as claimed in claim 4, wherein the top cover further comprises a flow guide plate, the flow guide plate comprises a first plate and a second plate which are vertically arranged, the first plate is arranged on one side of the cover plate close to the accommodating cavity, the second plate is arranged on the side of the first plate away from the accommodating cavity, the second plate is spaced from the cover plate, so that the flow guide groove is formed between the second plate and the cover plate, and the side of the second plate away from the flow guide groove is connected with the side plate.

6. The battery box body as claimed in claim 1, wherein an operation window is further arranged on the installation surface, the operation window comprises a housing, the housing is provided with an operation cavity with two open ends, one end of the operation cavity is communicated with the accommodating cavity, the other end of the operation cavity is provided with a top cover, and the top cover is connected with the housing through a fastener.

7. The battery box of claim 6, wherein the mounting panel is disposed on a side wall of the housing, the mounting panel includes a panel body and a BDU module mounted on the panel body, and the BDU module is electrically connected to the wire harness and the battery module, respectively.

8. The battery box body as claimed in claim 7, wherein a plurality of connection terminals are arranged on the panel body at intervals, the BDU module is electrically connected with the wiring harness through the connection terminals, and the connection terminals are Glan heads.

9. The battery box body as claimed in claim 1, wherein a fixing bracket is further arranged on the mounting surface, the fixing bracket is arranged opposite to the mounting panel, the fixing bracket comprises a fixing plate, the fixing plate is parallel to the mounting surface and arranged at an interval, a plurality of through holes are arranged on the fixing plate at intervals, the through holes are used for penetrating a binding belt, and the wiring harness is fixed on the fixing plate through the binding belt.

10. A battery pack comprising the battery case of any one of claims 1 to 9.