CN218769749U - Battery box, battery package and electric device - Google Patents
Battery box, battery package and electric device Download PDFInfo
- Publication number
- CN218769749U CN218769749U CN202223090519.2U CN202223090519U CN218769749U CN 218769749 U CN218769749 U CN 218769749U CN 202223090519 U CN202223090519 U CN 202223090519U CN 218769749 U CN218769749 U CN 218769749U
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- frame structure
- bottom support
- liquid cooling
- battery box
- water inlet
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Abstract
The utility model provides a battery box, battery package and power consumption device, battery box includes frame structure, bottom support piece, water inlet pipe connector and water outlet pipe connector, wherein, the inside liquid cooling passageway that has many interval arrangements of bottom support piece, bottom support piece connect in frame structure in order to enclose into open-topped holding chamber with frame structure; and a water inlet channel and a water outlet channel are arranged on the frame structure or the bottom support piece. In the battery box body with the structure, the bottom support piece is directly used as a bottom plate of the box body, and the bottom support piece is provided with the liquid cooling channel so as to integrate the existing liquid cooling plate and the bottom plate on the bottom support piece and save the internal space of the battery box body; and replace original liquid cooling pipe through inlet channel and the exhalant canal that sets up on frame structure or bottom support piece, inlet pipe connects and goes out the water pipe connector and all locates outside holding the chamber, reduces liquid cooling pipe and coupling occupation space, is convenient for arrange more electric cores holding the intracavity, improves the space utilization of battery box.
Description
Technical Field
The utility model relates to a battery package technical field, concretely relates to battery box, battery package and electric installation.
Background
The battery box is used as a key component of the battery system, so that the battery in the battery system is protected from external collision, and the battery is ensured to be in a proper temperature range, so that the battery can normally work.
The battery box includes the box and locates the liquid cooling system in the box, the liquid cooling system includes liquid cooling board and liquid cooling pipe, the liquid cooling board is located on the bottom plate of box, water pipe head locates on the boundary beam of box, liquid cooling pipe one end connection water pipe head, the other end extends in the box and connects to the coupling on the liquid cooling board, except that liquid cooling board occupation space, liquid cooling pipe and coupling occupation space are many, lead to the electric core quantity that can hold in the battery box to reduce, battery box space utilization is low.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model lies in overcoming the defect that battery box space utilization among the prior art is low.
Therefore, the utility model provides a battery box, include
A frame structure;
the bottom support piece is internally provided with a plurality of liquid cooling channels which are arranged at intervals, and is connected to the frame structure to form a containing cavity with an open top together with the frame structure; the frame structure or the bottom support piece is provided with a water inlet channel and a water outlet channel, inlets of all the liquid cooling channels are communicated with the water inlet channel, and outlets of all the liquid cooling channels are communicated with the water outlet channel;
the water inlet pipe joint is arranged outside the accommodating cavity and communicated with the water inlet channel;
and the water outlet pipe joint is arranged outside the accommodating cavity and communicated with the water outlet channel.
Optionally, in the battery box, the water inlet channel and the water outlet channel are both arranged on the frame structure, the bottom supporting member is hermetically connected to the inner wall of the frame structure, and openings are arranged at positions of the frame structure corresponding to the inlet and the outlet of the liquid cooling channel; the water inlet pipe joint and the water outlet pipe joint are connected to the frame structure.
Optionally, in the above battery box, the frame structure includes two first boundary beams that are arranged oppositely, the water inlet channel and the water outlet channel are respectively arranged on the two first boundary beams, and the plurality of liquid cooling channels are arranged in parallel at intervals along the length direction of the first boundary beams.
Optionally, in the above battery box, the frame structure further includes second side beams disposed on two sides of the first side beam and a frame disposed outside the second side beams, a hanging support plate is connected to the frame, and the water inlet pipe joint and the water outlet pipe joint are respectively disposed on the two frames outside the second side beams.
Optionally, in the above battery box, a top surface of the bottom supporting member is provided with a heat conducting member.
Optionally, in the above battery box, a heat insulation part is disposed at the bottom of the bottom support part.
Optionally, in the battery box, a bottom protection plate is arranged at the bottom of the heat insulation and preservation member.
Optionally, in the battery box described above, a heat insulation member is disposed outside the frame.
The utility model provides a battery pack, including any one of the above-mentioned battery box.
The utility model provides an electric device, including foretell battery package.
The utility model discloses technical scheme has following advantage:
1. according to the battery box body provided by the utility model, the bottom support piece is directly used as the bottom plate of the box body, and the liquid cooling channel is arranged on the bottom support piece, so that the existing liquid cooling plate and the bottom plate are integrated on the bottom support piece, and the internal space of the battery box body is saved; and replace original liquid cooling pipe through inlet channel and the exhalant canal that sets up on frame structure or bottom support piece, inlet pipe connects and goes out the water pipe connector and all locates outside holding the chamber, reduces liquid cooling pipe and coupling occupation space, is convenient for arrange more electric cores holding the intracavity, improves the space utilization of battery box.
2. The water inlet pipe joint and the water outlet pipe joint are arranged on the side edge of the hanging support plate so as to fully utilize the space on the side edge of the hanging support plate to arrange the water pipe joints, and the battery box body has a compact structure.
3. The top surface of the bottom support part is provided with a heat conducting part, and the heat of the battery cell is transferred to the cooling liquid in the bottom support part through the heat conducting part.
The bottom of the bottom supporting piece is provided with a heat insulation piece so as to insulate heat of the whole battery box body.
And a heat insulation piece is arranged outside the frame to prevent the vehicle from transferring heat to the battery pack.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a top view of a battery pack provided in embodiment 2 of the present invention;
FIG. 2 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is an enlarged view of a portion A of FIG. 2;
fig. 4 is a top view of fig. 1 with the cell removed;
fig. 5 is a schematic layout diagram of the liquid cooling channel, the water inlet channel and the water outlet channel in fig. 1.
Description of reference numerals:
1. a frame structure; 11. a first edge beam; 111. a water inlet channel; 112. a water outlet channel; 12. a second edge beam; 13. a frame; 14. hanging a support plate; 2. a bottom support; 21. a liquid cooling channel; 3. a water inlet pipe joint; 4. a water outlet pipe joint; 5. a heat conductive member; 6. a heat insulating member; 7. a bottom guard plate; 8. a thermal insulation member; 9. and (5) battery cores.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, 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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. 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 invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Example 1
The present embodiment provides a battery box, as shown in fig. 1 to 3, which includes a frame structure 1, a bottom support member 2, a water inlet pipe connector 3, and a water outlet pipe connector 4, wherein the bottom support member 2 has a plurality of liquid cooling channels 21 arranged at intervals therein, and the bottom support member 2 is connected to the frame structure 1 to form an accommodating cavity with an open top with the frame structure 1; the frame structure 1 or the bottom support member 2 is provided with a water inlet channel 111 and a water outlet channel 112, inlets of all the liquid cooling channels 21 are communicated with the water inlet channel 111, and outlets of all the liquid cooling channels 21 are communicated with the water outlet channel 112; the water inlet pipe joint 3 is arranged outside the containing cavity and communicated with the water inlet channel; the water outlet pipe joint 4 is arranged outside the containing cavity and communicated with the water outlet channel.
In the battery box body with the structure, the bottom support piece 2 is directly used as a bottom plate of the box body, and the liquid cooling channel 21 is arranged on the bottom support piece 2, so that the existing liquid cooling plate and the bottom plate are integrated on the bottom support piece 2, and the internal space of the battery box body is saved; and replace original liquid cooling pipe through inhalant canal and the exhalant canal that sets up on frame structure 1 or bottom support piece 2, inlet tube connects 3 and exhalant canal connects 4 and all locates outside holding the chamber, reduces liquid cooling pipe and coupling occupation space, is convenient for arrange more electric cores 9 holding the intracavity, improves the space utilization of battery box.
The battery cell 9 is placed above the bottom support piece 2, the cooling liquid enters the water inlet channel through the water inlet pipe joint 3 and then flows to the liquid cooling channel 21 to flow out of the battery cell 9 above the cooler through the water outlet channel and the water outlet pipe joint 4.
Optionally, the water inlet channel and the water outlet channel are both arranged on the frame structure 1, the bottom support member 2 is hermetically connected to the inner wall of the frame structure 1, and openings are arranged at positions of the frame structure 1 corresponding to the inlet and the outlet of the liquid cooling channel 21; the water inlet pipe joint 3 and the water outlet pipe joint 4 are connected to the frame structure 1. The cooling liquid in the water inlet channel enters the liquid cooling channel 21 through the opening, and the cooling liquid in the liquid cooling channel 21 enters the water outlet channel through the opening.
The two first side beams 11 are parallel, the water inlet pipeline is parallel to the water outlet pipeline, and the liquid cooling channel 21 is perpendicular to the water inlet pipeline. Referring to fig. 1 and 4, the cross section of the water inlet pipe can be gradually increased from the water inlet pipe joint 3 to the direction far away from the water inlet pipe joint 3, so that the cooling liquid can uniformly flow into the liquid cooling channel 21 far away from the water inlet pipe joint 3; accordingly, the cross section of the outlet pipe decreases gradually from the position far away from the outlet pipe joint 4 to the position close to the inlet pipe joint 3, so that the cooling liquid in each liquid cooling passage 21 can flow out uniformly.
For example, referring to fig. 2, the bottom support 2 includes an upper plate and a lower plate, and a partition plate is provided between the upper plate and the lower plate to partition an area between the upper plate and the lower plate into a plurality of liquid cooling passages 21. The lower floor and the lower floor side are welded to the first side member 11 by stir welding.
The frame structure 1 further comprises second side beams 12 arranged on two sides of the first side beam 11 and a frame 13 arranged outside the second side beams 12, a hanging support plate 14 is connected to the frame 13 outside the second side beams 12, and the water inlet pipe connector 3 and the water outlet pipe connector 4 are respectively arranged on the frames 13 outside the two second side beams 12. The water inlet pipe joint 3 and the water outlet pipe joint 4 are arranged on the side edge of the hanging support plate 14 so as to fully utilize the space on the side edge of the hanging support plate 14 to arrange the water pipe joint, and the battery box body has a compact structure.
Preferably, the outer end faces of the water inlet pipe connector 3 and the water outlet pipe connector 4 facing away from the frame 13 are located inside the outer end face of the hanging support plate 14, that is, the outer end of the hanging support plate 14 extends outwards from the water inlet pipe connector 3 and the water outlet pipe connector 4 to protect the water inlet and the water outlet. The hanging support plate 14 is provided with a mounting hole, and the battery box body is suitable for being mounted on the vehicle body through the hanging support plate 14. The frame 13 surrounds the first and second side members 11 and 12. The water inlet pipe joint 3 and the water outlet pipe joint 4 can be respectively communicated with a water inlet pipeline and a water outlet pipeline through water pipes.
Referring to fig. 2, a heat conducting member 5 is disposed on the top surface of the bottom support member 2, the battery cell 9 is placed on the heat conducting member 5, and heat of the battery cell 9 is transferred to the coolant in the bottom support member 2 through the heat conducting member 5. For example, the heat conducting member 5 is a layer of heat conducting structural adhesive coated on the top surface of the bottom support member 2.
The bottom of the bottom support member 2 is provided with a heat insulation member 6 to insulate the whole battery box. Preferably, the heat insulation piece 6 is a XPE composite aluminum film, can play the roles of heat preservation, heat insulation and buffering at the same time, and occupies small space. The heat insulation and preservation member 6 can also be made of heat preservation cotton.
The bottom of the XPE composite aluminum film is provided with a bottom protection plate 7 to protect a battery cell 9 in the battery box body.
The frame 13 is provided with a heat insulating member 8 outside to prevent the vehicle from transferring heat to the battery pack, for example, the heat insulating member 8 is a heat insulating plate or a heat insulating film.
As an alternative to embodiment 1, the bottom support 2 may also be a thick plate with cavities to form the liquid cooling channels 21.
The water inlet channel and the water outlet channel can also be arranged on the bottom support piece 2, the bottom plate is connected to the bottom of the frame structure 1 at the moment, the water inlet channel and the water outlet channel are arranged on two opposite sides of the bottom support piece 2, and the liquid cooling channel 21 is arranged between the water inlet channel and the water outlet channel.
Example 2
The present embodiment provides a battery pack including the battery case of embodiment 1.
The battery pack with the structure has high space utilization rate of the battery box, and more battery cells 9 can be arranged.
Example 3
The present embodiment provides an electric device including the battery pack of embodiment 1.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (10)
1. A battery case, comprising:
a frame structure (1);
the liquid cooling device comprises a bottom support piece (2), a plurality of liquid cooling channels (21) which are arranged at intervals are arranged in the bottom support piece, and the bottom support piece (2) is connected to the frame structure (1) to form an accommodating cavity with an open top together with the frame structure (1); a water inlet channel (111) and a water outlet channel (112) are arranged on the frame structure (1) or the bottom support member (2), inlets of all the liquid cooling channels (21) are communicated with the water inlet channel, and outlet channels of all the liquid cooling channels (21) are communicated with the water outlet channel;
the water inlet pipe joint (3) is arranged outside the accommodating cavity and communicated with the water inlet channel (111);
and the water outlet pipe joint (4) is arranged outside the accommodating cavity and communicated with the water outlet channel (112).
2. The battery box body according to claim 1, wherein the water inlet channel and the water outlet channel are both arranged on the frame structure (1), the bottom support member (2) is hermetically connected to the inner wall of the frame structure (1), and openings are arranged at positions of the frame structure (1) corresponding to the inlet and the outlet of the liquid cooling channel (21); the water inlet pipe joint (3) and the water outlet pipe joint (4) are connected to the frame structure (1).
3. The battery box body according to claim 2, wherein the frame structure (1) includes two first side beams (11) disposed oppositely, the water inlet channel and the water outlet channel are respectively disposed on the two first side beams (11), and the plurality of liquid cooling channels (21) are arranged in parallel at intervals along a length direction of the first side beams (11).
4. The battery box body according to claim 3, wherein the frame structure (1) further comprises second side beams (12) arranged at two sides of the first side beam (11) and a frame (13) arranged outside the second side beams (12), a hanging plate (14) is connected to the frame (13), and the water inlet pipe joint (3) and the water outlet pipe joint (4) are respectively arranged on the two frames (13) outside the second side beams (12).
5. Battery box according to any of claims 1 to 4, characterised by the fact that the bottom support (2) is provided with a heat conductor (5) on its top face.
6. The battery box according to any of claims 1 to 4, characterized in that the bottom support (2) is provided at its bottom with a heat insulation (6).
7. The battery box according to claim 6, characterized in that the bottom of the heat insulating and preserving member (6) is provided with a bottom guard plate (7).
8. A battery case according to claim 4, characterised in that the frame (13) is externally provided with thermal insulation (8).
9. A battery pack characterized by comprising the battery case according to any one of claims 1 to 8.
10. An electric device comprising the battery pack according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223090519.2U CN218769749U (en) | 2022-11-21 | 2022-11-21 | Battery box, battery package and electric device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223090519.2U CN218769749U (en) | 2022-11-21 | 2022-11-21 | Battery box, battery package and electric device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218769749U true CN218769749U (en) | 2023-03-28 |
Family
ID=85650707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223090519.2U Active CN218769749U (en) | 2022-11-21 | 2022-11-21 | Battery box, battery package and electric device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218769749U (en) |
-
2022
- 2022-11-21 CN CN202223090519.2U patent/CN218769749U/en active Active
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