CN210897453U - Connecting device and battery pack of battery cell module - Google Patents
Connecting device and battery pack of battery cell module Download PDFInfo
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- CN210897453U CN210897453U CN201922457740.9U CN201922457740U CN210897453U CN 210897453 U CN210897453 U CN 210897453U CN 201922457740 U CN201922457740 U CN 201922457740U CN 210897453 U CN210897453 U CN 210897453U
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- cell module
- battery cell
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- fixing head
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses a connecting device and battery package of electric core module, the connecting device of electric core module includes: the battery cell module comprises a base, a plurality of module connecting holes and a plurality of battery cell modules, wherein the base is provided with the plurality of module connecting holes, and each module connecting hole can be correspondingly connected with one battery cell module; the fixing head is arranged at a distance from the base in the vertical direction, is positioned above the base and is fixedly connected with the upper shell on the outer side of the battery cell module; the connecting part is connected between the base and the fixed head. According to the utility model discloses a connecting device of electricity core module links to each other through base and a plurality of electric core module to through fixed head and the fixed linking to each other of last casing, can promote the rigidity of being connected between casing and the electric core module, can also promote the rigidity of being connected between a plurality of electric core modules, a base can link to each other with a plurality of electric core modules simultaneously, can reduce and connect spare part quantity, reduction in production cost.
Description
Technical Field
The utility model relates to a battery technology field particularly, relates to a connecting device and battery package of electric core module.
Background
The battery is used as a power source of the whole vehicle, and the safety performance of the battery is very important. At present, in order to solve the problem that the endurance mileage is short, the size of the battery pack needs to be increased, so that the sizes of the upper shell and the lower shell of the battery pack are also increased, the upper shell is made of a plastic material or a metal plate material, and more battery cell modules are arranged and the requirements on the rigidity of the whole battery pack and the connection rigidity between the battery cell modules are also higher due to the fact that the thickness of the upper shell is thinner and the rigidity is poorer.
The last casing of battery package among the correlation technique generally is combined material or sheet metal component, because go up the casing size great and do not have bearing structure, leads to the airtight test of whole battery package to aerify the value and can select less pressure value for the gas tightness of whole battery package can reduce, influences the intensity of whole battery package even, and go up shell structure and adopt section bar extrusion technology more, the shaping is difficult.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides an at least can improve the rigidity of connecting between a plurality of electric core modules to a certain extent.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
according to the utility model discloses the connecting device of electric core module of first aspect, include: the battery cell module comprises a base, a plurality of module connecting holes and a plurality of battery cell modules, wherein the base is provided with the plurality of module connecting holes, and each module connecting hole can be correspondingly connected with one battery cell module; the fixing head is arranged at a distance from the base in the vertical direction, is positioned above the base and is fixedly connected with an upper shell on the outer side of the battery cell module; a connecting portion connected between the base and the fixing head.
According to the utility model discloses a connecting device of electricity core module links to each other through base and a plurality of electric core module to through fixed head and the fixed linking to each other of last casing, can promote the rigidity of being connected between casing and the electric core module, can also promote the rigidity of being connected between a plurality of electric core modules, a base can link to each other with a plurality of electric core modules simultaneously, can reduce and connect spare part quantity, reduction in production cost.
According to an embodiment of the present invention, the base, the fixing head and the connecting portion are substantially formed in an i-shape, and the fixing head is provided with a housing connecting hole.
According to an optional example of the present invention, the bottom wall of the fixing head portion and the connecting portion are provided with an arc protrusion therebetween, the arc protrusion is parallel to the fixing head portion and deviates from one side of the connecting portion to extend, the arc protrusion and the housing connecting hole are correspondingly arranged in the up-down direction so that the housing connecting hole is formed as a blind hole.
According to the utility model discloses a further optional example, the bellied middle part of arc deviates from connecting portion one side, the bellied left and right sides of arc respectively with the transition of connecting portion circular arc.
According to yet another optional example of the present invention, the connecting portion is provided toward one end of the front and rear ends of the fixed head portion, and the arc-shaped protrusion extends toward the other end of the front and rear ends of the fixed head portion.
According to the utility model discloses a fixed mounting hole that runs through its thickness direction is equipped with on the connecting portion, fixed mounting hole can be used to fix a plurality ofly pencil and pipeline between the electricity core module.
Optionally, the connection device further comprises: a seal sealed between the fixed head and the upper housing.
Further, a first annular groove is formed in the fixing head, the sealing element can be embedded in the first annular groove, the sealing element comprises two sealing convex rings arranged at intervals in the radial direction and an annular connecting part connected between the two sealing convex rings, and the two sealing convex rings and the annular connecting part jointly define a second annular groove.
Further, a plurality of clamping protrusions are arranged on one sides, far away from the second annular groove, of the two sealing convex rings and are arranged at intervals along the circumferential direction of the corresponding sealing convex rings.
According to the utility model discloses battery package of second aspect includes: a plurality of cell modules; the upper shell is covered above the plurality of battery cell modules; according to the connection device of the battery cell module in the above embodiment, the connection device is connected between the upper casing and the plurality of battery cell modules.
According to the utility model discloses a battery pack links to each other through base and a plurality of electric core module to through fixed head and the fixed linking to each other of last casing, can promote the rigidity of being connected between casing and the electric core module, can also promote the rigidity of being connected between a plurality of electric core modules, a base can link to each other with a plurality of electric core modules simultaneously, can reduce and connect spare part quantity, reduction in production cost.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a perspective view of a connection device of a battery cell module according to an embodiment of the present invention;
fig. 2 is a schematic view illustrating a connection device of a battery cell module according to an embodiment of the present invention and a plurality of battery cell modules;
fig. 3 is a perspective view of another view angle of the connection device of the battery cell module according to the embodiment of the present invention;
fig. 4 is an exploded view of a connection device of a battery cell module according to an embodiment of the present invention;
fig. 5 is an exploded view of a battery pack according to an embodiment of the present invention.
Description of reference numerals:
a battery pack 1000, a connecting device 100, a battery cell module 200, an upper casing 300, a pipeline 400,
the module comprises a base 10, a module connecting hole 11, a connecting part 20, a fixing mounting hole 21, a fixing mounting part 22, a connecting rib 23, a fixing head part 30, a shell connecting hole 31, an arc-shaped protrusion 32, a first annular groove 33, a sealing piece 40, a sealing convex ring 41, a clamping convex 411, an annular connecting part 42, a second annular groove 43 and a reinforcing rib 44.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
The connection device 100 of the battery cell module 200 according to an embodiment of the first aspect of the present invention is described below with reference to fig. 1 to 5.
As shown in fig. 1 and 2, the connection device 100 of the battery cell module 200 according to the embodiment of the present invention includes a base 10, a fixing head 30, and a connection portion 20.
Specifically, be equipped with a plurality of module connecting holes 11 on base 10, every module connecting hole 11 can correspond respectively and connect an electric core module 200, and like this, base 10 can be connected with a plurality of electric core modules 200, can promote the rigidity of being connected between a plurality of electric core modules 200. As shown in fig. 2, 4 module connecting holes 11 are formed in the base 10, each module connecting hole 11 can be correspondingly connected to one battery cell module 200, and 4 battery cell modules 200 can be tightly connected to the base 10.
The fixing head 30 is arranged at an interval from the base 10 in the up-down direction, and the fixing head 30 is located above the base 10, and the fixing head 30 is fixedly connected to the upper casing 300 outside the battery cell module 200, and has a supporting function on the upper casing 300, so that the connection rigidity between the battery cell module 200 and the upper casing 300 can be improved. The connecting part 20 is connected between the base 10 and the fixing head 30, and has a connecting and supporting function.
According to the utility model discloses electricity core module 200's connecting device 100 links to each other through base 10 and a plurality of electricity core module 200 to through fixed head 30 and the fixed linking to each other of last casing 300, can promote the rigidity of being connected between casing 300 and the electricity core module 200, can also promote the rigidity of being connected between a plurality of electricity core modules 200, a base 10 can link to each other with a plurality of electricity core modules 200 simultaneously, can reduce and connect spare part quantity, reduction in production cost.
Further, the battery cell module 200 may be fixedly connected to the corresponding module connection hole 11 by a connection member (e.g., a bolt).
As shown in fig. 1, according to an embodiment of the present invention, the base 10, the fixing head 30 and the connecting portion 20 are formed in a substantially i-shape, and the fixing head 30 is provided with a housing connecting hole 31 to be fixedly connected to the upper housing 300 through the housing connecting hole 31. The upper housing 300 can be fixedly coupled to the fixing head 30 by coupling members (e.g., bolts) with the housing coupling holes 31.
According to an alternative example of the present invention, an arc protrusion 32 is provided between the bottom wall of the fixing head 30 and the connecting portion 20, the arc protrusion 32 is disposed parallel to the fixing head 30, and the arc protrusion 32 extends to a side away from the connecting portion 20 (extends forward as shown in fig. 3), and the arc protrusion 32 and the housing connecting hole 31 are correspondingly disposed in the up-down direction so that the housing connecting hole 31 is formed as a blind hole. It can be understood that the arc-shaped protrusion 32 blocks the lower end of the housing connection hole 31, and the arc-shaped protrusion 32 is connected between the fixing head 30 and the connection portion 20, which can increase the connection strength between the fixing head 30 and the connection portion 20, thereby improving the overall structural strength of the connection device 100.
According to another optional example of the present invention, the middle portion of the arc protrusion 32 deviates from one side of the connecting portion 20 (extending to the front side of the connecting portion 20 as shown in fig. 3), the left and right sides of the arc protrusion 32 respectively transition with the arc of the connecting portion 20, the engagement is more natural, and the stress concentration can be effectively avoided.
According to still another alternative example of the present invention, the connecting portion 20 is disposed toward one end of the front and rear ends of the fixing head portion 30, and the arc protrusion 32 extends toward the other end of the front and rear ends of the fixing head portion 30, as shown in fig. 3, the connecting portion 20 is disposed toward the rear end of the fixing head portion 30, and the arc protrusion 32 extends toward the front side of the fixing head portion 30, and the wire harness and the pipe 400 can be clamped between the fixing head portion 30, the connecting portion 20, and the base 10 by using the middle asymmetric design, so as to limit the wire harness and the pipe 400.
According to the utility model discloses a another embodiment is equipped with fixed mounting hole 21 on connecting portion 20, and fixed mounting hole 21 runs through the thickness of connecting portion 20, as shown in fig. 3, fixed mounting hole 21 is along the thickness of fore-and-aft direction through connection portion 20, and fixed mounting hole 21 can be used to fix pencil and pipeline 400 between a plurality of electric core modules 200, and wherein pipeline 400 can be cold water pipeline 400 for structural arrangement is more reliable, compact.
Further, connecting portion 20 forms the hollow out construction in the front and back direction, be equipped with fixed mounting portion 22 on connecting portion 20, be equipped with fixed mounting hole 21 on the fixed mounting portion 22, connect through connecting rib 23 between fixed mounting portion 22 and the connecting portion 20, as shown in fig. 3, fixed mounting portion 22 is located the middle part of connecting portion 20, be connected with connecting portion 20 through connecting rib 23 in the left and right direction and the upper and lower direction, both can guarantee the joint strength between fixed mounting portion 22 and the connecting portion 20, can realize the light-weighted design of structure again, reduce the manufacturing raw and other materials, reduction in production cost.
Optionally, the connection device 100 further includes a sealing member 40, and the sealing member 40 is sealed between the fixing header 30 and the upper case 300 to prevent water from entering into the battery pack 1000, thereby improving the sealing reliability of the battery pack 1000. The sealing member 40 may be integrally injection molded with the fixed head 30 or may be detachably mounted on the fixed head 30.
As shown in fig. 4, further, a first annular groove 33 is provided on the fixed head 30, wherein the housing connecting hole 31 is located at a central position surrounded by the first annular groove 33, the sealing member 40 can be embedded in the first annular groove 33, the sealing member 40 includes two sealing convex rings 41 arranged at intervals in the radial direction and an annular connecting portion 20 connected between the two sealing convex rings 41, the two sealing convex rings 41 and the annular connecting portion 20 together define a second annular groove 43, wherein a side of the two sealing convex rings 41 facing each other is formed as an inner side wall of the second annular groove 43, the annular connecting portion 20 is formed as a bottom wall of the second annular groove 43, that is, the sealing member 40 adopts a structure with two convex sides and a middle concave side, so that the sealing performance between the fixed head 30 and the upper housing 300 is further improved, and the light weight design of the structure can also be realized.
Further, a plurality of clamping protrusions 411 are arranged on one sides of the two sealing convex rings 41 far away from the second annular groove 43, the clamping protrusions 411 are arranged at intervals along the circumferential direction of the corresponding sealing convex rings 41, and the reliability of the sealing element 40 assembled in the fixing head 30 can be improved by arranging the clamping protrusions 411, so that water is prevented from entering the battery pack 1000, and the sealing reliability of the battery pack 1000 is improved.
Optionally, a reinforcing rib 44 is connected between the connecting portion 20 and the base 10 to improve the supporting force and structural strength of the entire connecting device 100.
Optionally, the fixing head 30, the connecting portion 20 and the base 10 are integrally formed, so that the forming is facilitated, the number of parts is reduced, and the structure is more stable.
According to the utility model discloses connecting device 100 can adopt cast aluminium technology preparation to form, can design the cast aluminium spare of unidimensional and shape according to the structural requirement, has realized lightweight purpose, has improved space utilization simultaneously.
As shown in fig. 5, according to the battery pack 1000 of the embodiment of the second aspect of the present invention, the connecting device 100 includes a plurality of battery cell modules 200, an upper case 300 and the battery cell modules 200 in the above embodiment, the upper case 300 is covered above the plurality of battery cell modules 200, and the connecting device 100 is connected between the upper case 300 and the plurality of battery cell modules 200.
According to the utility model discloses a battery pack 1000 links to each other through base 10 and a plurality of electric core module 200 to through fixed head 30 and the fixed linking to each other of last casing 300, can promote the rigidity of being connected between casing 300 and the electric core module 200, can also promote the rigidity of being connected between a plurality of electric core module 200, a base 10 can link to each other with a plurality of electric core module 200 simultaneously, can reduce and connect spare part quantity, reduction in production cost.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A connection device (100) of a cell module, comprising:
the battery cell module comprises a base (10), wherein a plurality of module connecting holes (11) are formed in the base (10), and each module connecting hole (11) can be correspondingly connected with one battery cell module (200);
the fixing head (30) is arranged at a distance from the base (10) in the vertical direction, the fixing head (30) is positioned above the base (10), and the fixing head (30) is fixedly connected with an upper shell (300) on the outer side of the battery cell module (200);
a connecting portion (20), the connecting portion (20) being connected between the base (10) and the fixing head (30).
2. The connection device (100) of a cell module according to claim 1, wherein the base (10), the fixing head (30) and the connection portion (20) are formed substantially in an i-shape, and a housing connection hole (31) is provided on the fixing head (30).
3. The connecting device (100) of the battery cell module as recited in claim 2, wherein an arc-shaped protrusion (32) is disposed between the bottom wall of the fixing head (30) and the connecting portion (20), the arc-shaped protrusion (32) extends parallel to the fixing head (30) and away from one side of the connecting portion (20), and the arc-shaped protrusion (32) and the housing connecting hole (31) are correspondingly disposed in an up-down direction so that the housing connecting hole (31) is formed as a blind hole.
4. The connecting device (100) of the battery cell module set of claim 3, wherein the middle portion of the arc-shaped protrusion (32) faces away from one side of the connecting portion (20), and the left and right sides of the arc-shaped protrusion (32) are in arc transition with the connecting portion (20), respectively.
5. The connection device (100) of the battery cell module as claimed in claim 3, wherein the connection portion (20) is disposed towards one of the front and rear ends of the fixing head (30), and the arc-shaped protrusion (32) extends towards the other of the front and rear ends of the fixing head (30).
6. The connecting device (100) of the battery cell module as claimed in claim 1, wherein the connecting portion (20) is provided with a fixing mounting hole (21) extending through a thickness direction of the connecting portion, and the fixing mounting hole (21) is used for fixing a wiring harness and a pipeline (400) between a plurality of battery cell modules (200).
7. The connection device (100) of the cell module according to any one of claims 1 to 6, further comprising: a seal (40), the seal (40) sealing between the fixation head (30) and the upper housing (300).
8. The connection device (100) of a cell module according to claim 7, characterized in that a first annular groove (33) is provided on the fixing head (30), the sealing element (40) being fittable in the first annular groove (33), the sealing element (40) comprising two sealing collars (41) arranged at a distance from one another in the radial direction and an annular connection portion (42) connected between the two sealing collars (41), the two sealing collars (41) and the annular connection portion (42) together defining a second annular groove (43).
9. The connection device (100) of the cell module set according to claim 8, wherein a plurality of snap protrusions (411) are provided on both sides of the two sealing collars (41) away from the second annular groove (43), and the snap protrusions (411) are arranged at intervals along the circumferential direction of the corresponding sealing collars (41).
10. A battery pack (1000), comprising:
a plurality of cell modules (200);
the upper shell (300) is covered above the plurality of battery cell modules (200);
the connection device (100) of a cell module of any of claims 1 to 9, the connection device (100) being connected between the upper housing (300) and a plurality of cell modules (200).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922457740.9U CN210897453U (en) | 2019-12-30 | 2019-12-30 | Connecting device and battery pack of battery cell module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922457740.9U CN210897453U (en) | 2019-12-30 | 2019-12-30 | Connecting device and battery pack of battery cell module |
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| Publication Number | Publication Date |
|---|---|
| CN210897453U true CN210897453U (en) | 2020-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922457740.9U Active CN210897453U (en) | 2019-12-30 | 2019-12-30 | Connecting device and battery pack of battery cell module |
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| CN (1) | CN210897453U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023130455A1 (en) * | 2022-01-10 | 2023-07-13 | 宁德时代新能源科技股份有限公司 | Mounting assembly, battery, electric device, battery manufacturing method and manufacturing apparatus |
-
2019
- 2019-12-30 CN CN201922457740.9U patent/CN210897453U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023130455A1 (en) * | 2022-01-10 | 2023-07-13 | 宁德时代新能源科技股份有限公司 | Mounting assembly, battery, electric device, battery manufacturing method and manufacturing apparatus |
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