CN209896151U - Battery cell fixing structure of combined battery - Google Patents
Battery cell fixing structure of combined battery Download PDFInfo
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- CN209896151U CN209896151U CN201921188829.3U CN201921188829U CN209896151U CN 209896151 U CN209896151 U CN 209896151U CN 201921188829 U CN201921188829 U CN 201921188829U CN 209896151 U CN209896151 U CN 209896151U
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- end plate
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- pressing strip
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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 an electric core fixing structure of a combined battery, which comprises an electric core group and a fixing frame, wherein the bottom of the electric core group is fixed on a box body of a battery mounting position through adhesive bonding; the fixing frame comprises a front end plate attached to the front end face of the electric core group, a rear end plate attached to the rear end face of the electric core group, a top pressing strip attached to the top face of the electric core group, and a first side pressing strip and a second side pressing strip which are respectively attached to the two side faces of the electric core group; the bottoms of the front end plate and the rear end plate are respectively fixedly connected with the box body; one end of the top pressing strip is fixedly connected with the top of the front end plate, and the other end of the top pressing strip is fixedly connected with the top of the rear end plate; two ends of the first side pressing strip are respectively and fixedly connected with the front end plate and the rear end plate on the corresponding side; and two ends of the second side pressing strip are respectively and fixedly connected with the front end plate and the rear end plate of the corresponding side. This electricity core fixed knot constructs, is showing and is promoting electric core fixed strength, solves the not enough problem of battery package anti-vibration performance.
Description
Technical Field
The utility model relates to a power battery technical field especially relates to a combined battery's electric core fixed knot constructs.
Background
The power battery is generally composed of a series of same single battery cores and other components, and as an important embodiment of reliability, the anti-vibration performance of the power battery is particularly important, and the state has a mandatory regulation in this respect. The battery core is used as a component with the largest weight ratio of the battery pack, and whether the battery core is stably fixed directly determines the anti-vibration performance and the service life of the battery pack.
At present, the electric core of the power battery mainly has two forms, namely whether a module exists or not and whether the module exists. The battery cell in a module form is generally formed by combining a metal frame and a single battery cell into a whole and then is fixed in a box body through bolts; there is not module form electricity core and utilizes sticky as main fixed mode usually, and this fixed mode can alleviate the whole quality of battery, improves energy density, nevertheless adopts sticky fixed alone to be difficult to make electricity core become a whole, is unfavorable for the improvement of battery anti-vibration performance.
In summary, how to effectively solve the problem of insufficient anti-vibration performance of the battery cell fixing structure of the assembled battery has become a technical problem to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a combined battery's electric core fixed knot constructs to solve combined battery's electric core fixed knot structure problem that anti-vibration performance is not enough.
In order to achieve the purpose, the utility model provides an electric core fixing structure of a combined battery, which comprises an electric core group and a fixing frame, wherein the bottom of the electric core group is fixed on a box body of a battery mounting position through adhesive bonding; the fixing frame comprises a front end plate attached to the front end face of the electric core group, a rear end plate attached to the rear end face of the electric core group, a top pressing strip attached to the top face of the electric core group, and a first side pressing strip and a second side pressing strip respectively attached to the two side faces of the electric core group; the bottoms of the front end plate and the rear end plate are respectively fixedly connected with the box body; one end of the top pressing strip is fixedly connected with the top of the front end plate, and the other end of the top pressing strip is fixedly connected with the top of the rear end plate; two ends of the first side pressing strip are respectively and fixedly connected with the front end plate and the rear end plate on the corresponding side; and two ends of the second side pressing strip are respectively and fixedly connected with the front end plate and the rear end plate on the corresponding side.
Preferably, the front end plate and the rear end plate are both of a concave structure with folded edges at the periphery, and the notch of the concave structure is positioned on one side far away from the electric core group.
Preferably, the top pressing strip and the front end plate, the top pressing strip and the rear end plate, the first side pressing strip and the front end plate, the first side pressing strip and the rear end plate, the second side pressing strip and the front end plate, and the second side pressing strip and the rear end plate are fixedly connected through bolts.
Preferably, top nuts for being connected with the top batten bolts are fixedly arranged at the top folding edge of the front end plate and the top folding edge of the rear end plate; the folding edges at the two sides of the front end plate are respectively and fixedly provided with a first side nut which is used for being connected with the corresponding first side pressing strip and the second side pressing strip through bolts; and the folding edges at the two sides of the rear end plate are respectively fixedly provided with a second side nut which is used for being connected with the corresponding first side pressing strip and the second side pressing strip through bolts.
Preferably, at least one of the bolt connecting holes at the two ends of the top batten is a waist-shaped hole; at least one of the bolt connecting holes at the two ends of the first side pressing strip and the bolt connecting holes at the two ends of the second side pressing strip is a waist-shaped hole.
Preferably, the bottom folded edge of the front end plate and the bottom folded edge of the rear end plate are respectively provided with a mounting hole and a positioning hole, and the mounting hole corresponding to the bottom folded edge of the front end plate and/or the mounting hole corresponding to the bottom folded edge of the rear end plate is a kidney-shaped hole arranged along the connecting line direction of the front end plate and the rear end plate; the positioning hole corresponding to the bottom folded edge of the front end plate and/or the positioning hole corresponding to the bottom folded edge of the rear end plate are waist-shaped holes arranged along the connecting line direction of the front end plate and the rear end plate.
Preferably, a hole reinforcing insert is further embedded in the mounting hole.
Preferably, reinforcing ribs arranged at intervals are arranged on the concave structure of the front end plate and the concave structure of the rear end plate.
Preferably, the concave structure of the front end plate and the concave structure of the rear end plate are both provided with first hollow holes for reducing weight.
Preferably, the top depression bar, the first side depression bar and the second side depression bar are all provided with second hollow holes for reducing weight.
Compared with the introduction content of the background technology, the battery core fixing structure of the combined battery comprises a battery core group and a fixing frame, wherein the bottom of the battery core group is fixed on a box body of a battery installation position through adhesive bonding; the fixing frame comprises a front end plate attached to the front end face of the electric core group, a rear end plate attached to the rear end face of the electric core group, a top pressing strip attached to the top face of the electric core group, and a first side pressing strip and a second side pressing strip which are respectively attached to the two side faces of the electric core group; the bottoms of the front end plate and the rear end plate are respectively fixedly connected with the box body; one end of the top pressing strip is fixedly connected with the top of the front end plate, and the other end of the top pressing strip is fixedly connected with the top of the rear end plate; two ends of the first side pressing strip are respectively and fixedly connected with the front end plate and the rear end plate on the corresponding side; and two ends of the second side pressing strip are respectively and fixedly connected with the front end plate and the rear end plate of the corresponding side. This electricity core fixed knot constructs, through the preceding terminal surface laminating of front end plate and electric core group, the rear end plate has realized spacingly around the electric core group with the rear end face laminating of electric core group, it is spacing to the top of electric core group to realize through the top layering with the top laminating of electric core group, it is horizontal spacing to the electric core group to realize through first side pressing strip and second side pressing strip, cooperate the electric core group bottom of itself to fix on the box of battery installation position through adhesive bonding simultaneously, show promotion electric core fixed strength, the problem that the solution battery package anti-vibration performance is not enough. In addition, compare in the mode of traditional metal crate fixed electric core, greatly reduced metal crate's weight.
Drawings
Fig. 1 is a schematic structural view of a fixing frame according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a front end plate according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a rear end plate according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a top pressing bar according to an embodiment of the present invention.
In the above figures 1-4 of the drawings,
front end plate 1, back end plate 2, top layering 3, first side layering 4, second side layering 5, top nut 6, first side nut 7, second side nut 8, mounting hole 9, locating hole 10, strengthening rib 11, first fretwork hole 12, second fretwork hole 13, hole reinforcing inserts 14.
Detailed Description
The core of the utility model is to provide a combined battery's electric core fixed knot constructs to solve the not enough problem of combined battery's electric core fixed knot structure anti-vibration performance.
In order to make those skilled in the art better understand the technical solutions provided by the present invention, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-4, an electrical core fixing structure of a combined battery provided in an embodiment of the present invention includes an electrical core set and a fixing frame, wherein the bottom of the electrical core set is fixed on a box body of a battery installation position by gluing; the fixing frame comprises a front end plate 1 attached to the front end face of the electric core group, a rear end plate 2 attached to the rear end face of the electric core group, a top pressing strip 3 attached to the top face of the electric core group, and a first side pressing strip 4 and a second side pressing strip 5 respectively attached to the two side faces of the electric core group; the bottoms of the front end plate 1 and the rear end plate 2 are respectively fixedly connected with the box body; one end of the top pressing strip 3 is fixedly connected with the top of the front end plate 1, and the other end of the top pressing strip 3 is fixedly connected with the top of the rear end plate 2; two ends of the first side pressing strip 4 are respectively fixedly connected with the front end plate 1 and the rear end plate 2 on the corresponding sides; two ends of the second side pressing strip 5 are respectively and fixedly connected with the front end plate 1 and the rear end plate 2 on the corresponding sides.
This electricity core fixed knot constructs, through the preceding terminal surface laminating of front end plate and electric core group, the rear end plate has realized spacingly around the electric core group with the rear end face laminating of electric core group, it is spacing to the top of electric core group to realize through the top layering with the top laminating of electric core group, it is horizontal spacing to the electric core group to realize through first side pressing strip and second side pressing strip, cooperate the electric core group bottom of itself to fix on the box of battery installation position through adhesive bonding simultaneously, show promotion electric core fixed strength, the problem that the solution battery package anti-vibration performance is not enough. In addition, compare in the mode of traditional metal crate fixed electric core, greatly reduced metal crate's weight.
In some specific embodiments, the front end plate 1 and the rear end plate 2 are both of a concave structure with a folded edge on the periphery, and the notch of the concave structure is positioned on the side far away from the electric core group. The front end plate and the rear end plate are designed into the concave structures with the folded edges at the periphery, so that the front end plate and the rear end plate can be ensured to have sufficient fixed space, and meanwhile, the weight of the front end plate and the weight of the rear end plate can be greatly reduced. It can be understood that, the above-mentioned structure with the folded edge around is only a preferred example of the embodiment of the present invention, and in the practical application process, the front end plate and the rear end plate may be designed to be fixed blocks fixedly connected with the top pressing strip, the first side pressing strip, the second side pressing strip and the box body.
In a further embodiment, the top bead 3 and the front end plate 1, the top bead 3 and the rear end plate 2, the first side bead 4 and the front end plate 1, the first side bead 4 and the rear end plate 2, the second side bead 5 and the front end plate 1, and the second side bead 5 and the rear end plate 2 are all fixedly connected by bolts. Through the mode of bolt fixed connection for connect fixedly between each part and dismouting convenient and fast more. It is understood that the above-mentioned manner of fixing by using bolts is only a preferred example of the embodiment of the present invention, and in the practical application process, other fixing manners commonly used by those skilled in the art, such as a welding manner, etc., may also be used, except that the welding manner is not convenient for disassembly.
In a further embodiment, in order to ensure the strength and stability of each bolt connection part, top nuts 6 for bolt connection with the top hold-down strip 3 are fixedly arranged at the top folding edge of the front end plate 1 and the top folding edge of the rear end plate 2; the folding edges at the two sides of the front end plate 1 are respectively and fixedly provided with a first side nut 7 which is used for being in bolted connection with the corresponding first side pressing strip 4 and second side pressing strip 5; and the two side folding edges of the rear end plate 2 are respectively and fixedly provided with a second side nut 8 which is used for being in bolted connection with the corresponding first side pressing strip 4 and second side pressing strip 5.
In order to avoid the problem that the installation cannot be carried out due to machining errors of the bolt connecting holes of the top pressing strip, at least one of the bolt connecting holes at the two ends of the top pressing strip 3 is a waist-shaped hole in order to adjust the distance conveniently; at least one of the bolt connecting holes at the two ends of the first side pressing strip 4 and the bolt connecting holes at the two ends of the second side pressing strip 5 is a waist-shaped hole.
In some more specific embodiments, the bottom hem of the front end plate 1 and the bottom hem of the rear end plate 2 are equally divided into mounting holes 9 and positioning holes 10, so that the front end plate and the rear end plate can be conveniently mounted on the box body through the mounting holes, and when the front end plate and the rear end plate are mounted through the positioning holes, the positioning is more convenient, and the mounting convenience is further improved. The mounting hole 9 corresponding to the bottom folded edge of the front end plate 1 and/or the mounting hole 9 corresponding to the bottom folded edge of the rear end plate 2 are waist-shaped holes arranged along the connecting line direction of the front end plate 1 and the rear end plate 2; the positioning hole 10 corresponding to the bottom folded edge of the front end plate 1 and/or the positioning hole 10 corresponding to the bottom folded edge of the rear end plate 2 are kidney-shaped holes arranged along the connecting line direction of the front end plate 1 and the rear end plate 2. Can carry out when making the installation of front end plate and back end plate fixed through design kidney type hole and adjust the interval of front end plate and back end plate, further reduce the required precision of machining size for the fixed mounting of electric core group is more convenient.
In a further embodiment, in order to ensure the mounting and fixing strength and stability of the mounting hole 9, a hole reinforcing insert 14 is embedded in the mounting hole 9.
It should be noted here that, in general, the reinforcing ribs 11 are provided on the concave structure of the front end plate 1 and the concave structure of the rear end plate 2 at intervals. The strength of the front end plate and the rear end plate is further guaranteed through arrangement of the reinforcing ribs, and meanwhile, the plate thickness of the front end plate and the plate thickness of the rear end plate are reduced, so that the weight of the front end plate and the weight of the rear end plate are reduced.
In order to further reduce the weight of the front end plate and the rear end plate, generally, the first hollowed-out holes 12 for reducing the weight can be arranged on both the concave structure of the front end plate 1 and the concave structure of the rear end plate 2.
In order to reduce the weight of the top batten 3, the first side batten 4 and the second side batten 5, second hollowed holes 13 for reducing weight can be arranged on the top batten, the first side batten 4 and the second side batten.
It is right above the utility model provides an assembled battery's electric core fixed knot constructs and has introduced in detail. It should be noted that, in the present specification, the embodiments are all described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments may be referred to each other.
It is also noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that an 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 article or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in an article or device that comprises the element.
The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (10)
1. The battery core fixing structure of the combined battery is characterized by comprising a battery core group and a fixing frame, wherein the bottom of the battery core group is fixed on a box body of a battery installation position through adhesive bonding; the fixing frame comprises a front end plate (1) attached to the front end face of the electric core group, a rear end plate (2) attached to the rear end face of the electric core group, a top pressing strip (3) attached to the top face of the electric core group, and a first side pressing strip (4) and a second side pressing strip (5) attached to the two side faces of the electric core group respectively;
the bottoms of the front end plate (1) and the rear end plate (2) are respectively fixedly connected with the box body;
one end of the top pressing strip (3) is fixedly connected with the top of the front end plate (1), and the other end of the top pressing strip (3) is fixedly connected with the top of the rear end plate (2);
two ends of the first side pressing strip (4) are respectively and fixedly connected with the front end plate (1) and the rear end plate (2) on the corresponding sides; and two ends of the second side pressing strip (5) are respectively and fixedly connected with the front end plate (1) and the rear end plate (2) on the corresponding sides.
2. The battery cell fixing structure of the assembled battery according to claim 1, wherein the front end plate (1) and the rear end plate (2) are both concave structures with folded edges on the periphery, and the concave recesses of the concave structures are located on the side far away from the battery cell group.
3. The battery cell fixing structure of the assembled battery according to claim 2, wherein the top bead (3) and the front end plate (1), the top bead (3) and the rear end plate (2), the first side bead (4) and the front end plate (1), the first side bead (4) and the rear end plate (2), the second side bead (5) and the front end plate (1), and the second side bead (5) and the rear end plate (2) are all fixedly connected by bolts.
4. The battery cell fixing structure of the assembled battery according to claim 3, wherein a top nut (6) for being in bolt connection with the top pressing strip (3) is fixedly arranged at the top folding edge of the front end plate (1) and the top folding edge of the rear end plate (2); the folded edges of the two sides of the front end plate (1) are respectively and fixedly provided with a first side nut (7) which is used for being in bolt connection with the corresponding first side pressing strip (4) and the second side pressing strip (5); and the folding edges at the two sides of the rear end plate (2) are respectively fixedly provided with a second side nut (8) which is used for being connected with the corresponding first side pressing strip (4) and the second side pressing strip (5) through bolts.
5. The battery cell fixing structure of the assembled battery according to claim 4, wherein at least one of the bolt connecting holes at both ends of the top bead (3) is a kidney-shaped hole; at least one of the bolt connecting holes at the two ends of the first side pressing strip (4) and the bolt connecting holes at the two ends of the second side pressing strip (5) is a waist-shaped hole.
6. The battery cell fixing structure of the assembled battery according to any one of claims 2 to 5, wherein a mounting hole (9) and a positioning hole (10) are respectively formed at the bottom folded edge of the front end plate (1) and the bottom folded edge of the rear end plate (2), and the mounting hole (9) corresponding to the bottom folded edge of the front end plate (1) and/or the mounting hole (9) corresponding to the bottom folded edge of the rear end plate (2) are kidney-shaped holes arranged along the connecting line direction of the front end plate (1) and the rear end plate (2); the positioning hole (10) corresponding to the bottom folded edge of the front end plate (1) and/or the positioning hole (10) corresponding to the bottom folded edge of the rear end plate (2) are waist-shaped holes arranged along the connecting line direction of the front end plate (1) and the rear end plate (2).
7. The battery cell fixing structure of the assembled battery according to claim 6, wherein a hole reinforcing insert (14) is further embedded in the mounting hole (9).
8. The battery cell fixing structure of the assembled battery according to any one of claims 2 to 5, wherein the concave structure of the front end plate (1) and the concave structure of the rear end plate (2) are provided with reinforcing ribs (11) arranged at intervals in the transverse and vertical directions.
9. The battery cell fixing structure of the assembled battery according to claim 8, wherein the concave structure of the front end plate (1) and the concave structure of the rear end plate (2) are provided with first hollowed holes (12) for reducing weight.
10. The battery cell fixing structure of the assembled battery according to claim 1, wherein the top bead (3), the first side bead (4) and the second side bead (5) are provided with second hollowed-out holes (13) for reducing weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921188829.3U CN209896151U (en) | 2019-07-25 | 2019-07-25 | Battery cell fixing structure of combined battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921188829.3U CN209896151U (en) | 2019-07-25 | 2019-07-25 | Battery cell fixing structure of combined battery |
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| CN209896151U true CN209896151U (en) | 2020-01-03 |
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| CN201921188829.3U Active CN209896151U (en) | 2019-07-25 | 2019-07-25 | Battery cell fixing structure of combined battery |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111416079A (en) * | 2020-03-15 | 2020-07-14 | 南京金龙客车制造有限公司 | New energy automobile battery integrated configuration |
| CN111416078A (en) * | 2020-03-15 | 2020-07-14 | 南京金龙客车制造有限公司 | New energy automobile battery tray integrated configuration |
| CN113707980A (en) * | 2021-08-26 | 2021-11-26 | 合肥海熊能源技术有限公司 | Lithium battery pack box for energy storage |
-
2019
- 2019-07-25 CN CN201921188829.3U patent/CN209896151U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111416079A (en) * | 2020-03-15 | 2020-07-14 | 南京金龙客车制造有限公司 | New energy automobile battery integrated configuration |
| CN111416078A (en) * | 2020-03-15 | 2020-07-14 | 南京金龙客车制造有限公司 | New energy automobile battery tray integrated configuration |
| CN113707980A (en) * | 2021-08-26 | 2021-11-26 | 合肥海熊能源技术有限公司 | Lithium battery pack box for energy storage |
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