CN212323119U - High-safety scale interval type lithium ion battery pack - Google Patents
High-safety scale interval type lithium ion battery pack Download PDFInfo
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- CN212323119U CN212323119U CN202021532037.6U CN202021532037U CN212323119U CN 212323119 U CN212323119 U CN 212323119U CN 202021532037 U CN202021532037 U CN 202021532037U CN 212323119 U CN212323119 U CN 212323119U
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- ion battery
- lithium ion
- battery pack
- safety scale
- heat
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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
Abstract
The utility model discloses a high security scale interval formula lithium ion battery group, including set fixed plate and a plurality of lithium ion battery monomer of fixed connection on the set fixed plate, it is a plurality of lithium ion battery monomer staggered distribution, adjacent two have the clearance between the lithium ion battery monomer, the contained angle between lithium ion battery monomer place plane and the set fixed plate place plane is 30 ~ 70 degrees, the last protective assembly that has cup jointed of lithium ion battery monomer. The utility model discloses an at lithium cell scale interval distribution to setting up the security that protective assembly can promote lithium ion battery group, through the temperature variation of the reducible lithium cell monomer of phase change material environment of locating simultaneously, can heat absorption heat accumulation when lithium cell temperature is higher, can slowly release the heat for a long time simultaneously, the temperature is avoided appearing in certain time inner shell and is crossed low, is convenient for promote lithium cell charge and discharge performance under many circumstances.
Description
Technical Field
The utility model belongs to the technical field of lithium ion battery group, concretely relates to high security scale compartment type lithium ion battery group.
Background
Lithium ion batteries are the most used power battery technology in today's electric vehicles and related fields due to its high energy density and increased power in the cells, making such batteries less mass and density to develop at competitive prices. The lithium ion battery pack generally comprises a plurality of lithium ion battery monomers, a set fixing plate for connecting the lithium ion battery monomers in series and parallel, and a corresponding control assembly for controlling the power supply of the electric automobile and judging the states of the lithium ion battery monomers.
The free arranging of lithium ion battery among the prior art is generally comparatively intensive, although the space that occupies is less like this, but there is great potential safety hazard, lithium ion battery can produce heat under the circumstances of discharging, and in order to protect the inside lithium cell monomer of group battery, the group battery all can be provided with the higher casing of sealed degree, influence heat dissipation, probably cause the incident, the influence that lithium ion battery received the temperature variation simultaneously is also great, when the temperature is lower, still can direct influence the free charge and discharge performance of lithium cell.
Therefore, in view of the above technical problems, it is necessary to provide a high-safety scale-spacing lithium ion battery pack.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high security scale compartment type lithium ion battery group to solve foretell problem.
In order to achieve the above object, an embodiment of the present invention provides the following technical solutions:
a high-safety scale interval type lithium ion battery pack comprises a set fixing plate and a plurality of lithium ion battery monomers fixedly connected to the set fixing plate, wherein the lithium ion battery monomers are distributed in a staggered mode, a gap is formed between every two adjacent lithium ion battery monomers, and an included angle formed between a plane where the lithium ion battery monomers are located and a plane where the set fixing plate is located is 30-70 degrees;
the lithium ion battery comprises lithium ion battery monomers, and is characterized in that a protection component is sleeved on each lithium ion battery monomer, a protection groove matched with each lithium ion battery monomer is formed in each protection component, a phase-change material is filled in each protection component, and each phase-change material is located between every two adjacent lithium ion battery monomers.
As a further improvement of the utility model, the included angle between the plane where the lithium ion battery single body is located and the plane where the set fixing plate is located is the degree.
As a further improvement of the utility model, the upper end fixedly connected with control assembly of set fixed plate, control assembly includes protective housing.
As a further improvement of the utility model, the one end that protective housing is close to protective assembly is provided with first inclined plane, protective assembly is last be provided with first inclined plane assorted second inclined plane, first inclined plane contacts with the second inclined plane.
As a further improvement of the utility model, the group battery is still including the seal box and the sealed lid that match each other, the marginal fixed mounting of seal lid has the sealing washer, set fixed plate fixed mounting is on the inside bottom plate of seal box.
As a further improvement of the utility model, first screw hole has been seted up on the seal box, the second screw hole has been seted up on the sealed lid, threaded connection has the bolt between first screw hole and the second screw hole.
As a further improvement of the utility model, a plurality of shock attenuation risers of the upper end fixedly connected with of protection component, the upper end fixedly connected with butt plate of shock attenuation riser, butt plate contacts with sealed lid.
As a further improvement of the utility model, protection component, shock attenuation riser and butt joint board structure as an organic whole.
As a further improvement of the utility model, be provided with a plurality of heat conduction casings in the protection component, phase change material all is located the heat conduction casing.
As a further improvement of the utility model, the heat conduction casing is made of metal, and the inner and outer surfaces of the heat conduction casing are provided with heat radiation fins.
Compared with the prior art, the utility model has the advantages of it is following:
the utility model discloses an at lithium cell scale interval distribution to setting up the security that protective assembly can promote lithium ion battery group, through the temperature variation of the reducible lithium cell monomer of phase change material environment of locating simultaneously, can heat absorption heat accumulation when lithium cell temperature is higher, can slowly release the heat for a long time simultaneously, the temperature is avoided appearing in certain time inner shell and is crossed low, is convenient for promote lithium cell charge and discharge performance under many circumstances.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a high-safety scale-spacing lithium ion battery pack according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a high-safety scale-spacing lithium ion battery pack according to an embodiment of the present invention;
fig. 3 is an exploded view of a high safety scale compartment lithium ion battery pack according to an embodiment of the present invention;
fig. 4 is an exploded view of a high-safety flake compartment lithium ion battery pack according to an embodiment of the present invention;
fig. 5 is a cross-sectional view of an embodiment of a high-safety flake-type lithium ion battery pack;
FIG. 6 is a schematic view of the structure at A in FIG. 5;
fig. 7 is a schematic structural diagram at B in fig. 5.
In the figure: 1. the lithium ion battery comprises a sealing box, 101, a first threaded hole, 2, a sealing cover, 201, a second threaded hole, 3, a bolt, 4, a collection fixing plate, 5, a lithium ion battery monomer, 6, a control assembly, 7, a protection assembly, 701, a protection groove, 8, a damping vertical plate, 9, an abutting plate, 10, a heat conduction shell, 11, a phase change material and 12, and a sealing ring.
Detailed Description
The present invention will be described in detail below with reference to embodiments shown in the drawings. However, the present invention is not limited to the embodiments, and the structural, method, or functional changes made by those skilled in the art according to the embodiments are all included in the scope of the present invention.
The utility model relates to an embodiment discloses a high security scale compartment type lithium ion battery group, including a plurality of lithium ion battery monomer 5 of collection fixed plate 4 and fixed connection on collection fixed plate 4, a plurality of lithium ion battery monomer 5 crisscross distributions, the upper end fixedly connected with control assembly 6 of collection fixed plate 4, through the combination of collection fixed plate 4, control assembly 6 and a plurality of lithium ion battery monomer 5, under the cooperation of necessary components and parts, can realize the function of group battery, can realize the charge-discharge.
Referring to fig. 3 to 7, a gap is formed between two adjacent lithium ion battery cells 5, an included angle between a plane where the lithium ion battery cell 5 is located and a plane where the collection fixing plate 4 is located is 30 to 70 degrees, preferably, an included angle between the plane where the lithium ion battery cell 5 is located and the plane where the collection fixing plate 4 is located is 45 degrees, and the height of the lithium ion battery cell 5 can be reduced due to the inclined arrangement of the lithium ion battery cell 5, so that the protection and installation of the lithium ion battery cell 5 are facilitated, and meanwhile, the usage scenarios can be increased.
Referring to fig. 1 to 4, the battery pack further includes a sealing box 1 and a sealing cover 2 which are matched with each other, the sealing box 1 and the sealing cover 2 are used for protecting the whole battery pack, a sealing ring 12 is fixedly mounted on the edge of the sealing cover 2, so that the sealing performance is further increased, a set fixing plate 4 is fixedly mounted on an inner bottom plate of the sealing box 1 and used for fixing the set fixing plate 4, a first threaded hole 101 is formed in the sealing box 1, a second threaded hole 201 is formed in the sealing cover 2, a bolt 3 is connected between the first threaded hole 101 and the second threaded hole 201 in a threaded manner, and the sealing box 1 and the sealing cover 2 are convenient to fix and detach.
Referring to fig. 3 to 7, a protection component 7 is sleeved on a lithium ion battery cell 5, a protection groove 701 matched with the lithium ion battery cell 5 is formed in the protection component 7, the lithium ion battery cell 5 is clamped in the protection groove 701, the protection groove 701 contacts with a pair of surfaces with large areas of the lithium ion battery cell 5, and meanwhile, the protection component 7 has a certain heat conduction effect, the heat conduction coefficient of the protection component is more than 50, and the specific material can be a mixed material of graphite and a hard fabric, or can be a porous metal material.
Referring to fig. 5 and fig. 7, a plurality of heat conducting shells 10 are provided in the protection component 7, the phase-change material 11 is filled in the heat conducting shells 10, the phase-change material 11 may be a solid-liquid eutectic phase-change material, and is a phase-change energy storage building material, which is relatively low in cost and good in effect, the heat conducting shells 10 are made of a metal material, specifically, copper or aluminum, heat dissipation fins are provided on the inner and outer surfaces of the heat conducting shells 10, which are not shown in the drawing, so as to facilitate better heat conduction, the heat conducting shells 10 are located between two adjacent lithium ion battery cells 5, so as to facilitate heat absorption or heat release, and can be uniformly distributed to each lithium ion battery cell.
Refer to fig. 5 and combine as shown in fig. 6, control assembly 6 includes protective housing, protective housing is close to protective housing 7's one end and is provided with first inclined plane, protective housing 7 is last be provided with first inclined plane assorted second inclined plane, first inclined plane contacts with the second inclined plane, can realize protective housing 7 along the rising on first inclined plane when meetting great striking or vibrations, all there is certain clearance between protective housing 7 and control assembly 6 and the inside top of sealed lid 2, be convenient for realize protective housing 7's rising, better cushioning effect has, can avoid protective housing 7 to directly cause harm such as great extrusion to lithium ion battery monomer 5 to a certain extent.
Refer to fig. 3, fig. 5 combines fig. 7 to show, a plurality of shock attenuation risers 8 of upper end fixedly connected with of protection component 7, the upper end fixedly connected with butt board 9 of shock attenuation riser 8, shock attenuation riser 8 and butt board 9 all have certain elasticity, the effect of further buffering vibrations and striking has, butt board 9 contacts with sealed lid 2, protection component 7, shock attenuation riser 8 and butt board 9 structure as an organic whole, high stability, shock attenuation riser 8 and butt board 9 can regard as the handle that lifts up protection component 7 simultaneously, be convenient for maintain, when protection component 7's material is the metal material, shock attenuation riser 8 and butt board 9 structure as an organic whole not, the material of shock attenuation riser 8 and butt board 9 is elastic material such as rubber this moment.
During the use, refer to fig. 1 and fig. 2, specifically, still be provided with corresponding power on seal box 1 and the sealed lid 2 and draw forth or insert the subassembly, not marked in the figure, when the temperature that lithium ion battery monomer 5 discharged the production is higher, conduct to heat conduction casing 10 through protection component 7, then conduct to phase change material 11 again, phase change material 11 absorbs heat energy storage, can reduce lithium ion battery monomer 5's temperature, in certain time quantum, when ambient temperature is lower, phase change material 11 dispels the heat, react on lithium ion battery monomer 5 through heat conduction casing 10 and protection component 7, make lithium ion battery monomer 5's ambient temperature unlikely too low, be convenient for keep lithium ion battery monomer 5 better performance.
According to the technical scheme provided by the utility model, the utility model discloses following beneficial effect has:
the utility model discloses an at lithium cell scale interval distribution to setting up the security that protective assembly can promote lithium ion battery group, through the temperature variation of the reducible lithium cell monomer of phase change material environment of locating simultaneously, can heat absorption heat accumulation when lithium cell temperature is higher, can slowly release the heat for a long time simultaneously, the temperature is avoided appearing in certain time inner shell and is crossed low, is convenient for promote lithium cell charge and discharge performance under many circumstances.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A high-safety scale interval type lithium ion battery pack comprises a set fixing plate (4) and a plurality of lithium ion battery monomers (5) fixedly connected to the set fixing plate (4), and is characterized in that the lithium ion battery monomers (5) are distributed in a staggered mode, a gap is formed between every two adjacent lithium ion battery monomers (5), and an included angle formed between a plane where the lithium ion battery monomers (5) are located and a plane where the set fixing plate (4) is located is 30-70 degrees;
the lithium ion battery is characterized in that a protection component (7) is sleeved on the lithium ion battery monomer (5), a protection groove (701) matched with the lithium ion battery monomer (5) is formed in the protection component (7), a phase change material (11) is filled in the protection component (7), and the phase change material (11) is located between every two adjacent lithium ion battery monomers (5).
2. The high-safety scale-spacing lithium ion battery pack according to claim 1, wherein an included angle between a plane of the lithium ion battery cells (5) and a plane of the collecting and fixing plate (4) is 45 degrees.
3. The high-safety scale-spacing lithium ion battery pack as claimed in claim 1, wherein a control component (6) is fixedly connected to the upper end of the collecting and fixing plate (4), and the control component (6) comprises a protective shell.
4. The high-safety scale spacer lithium ion battery pack as claimed in claim 3, wherein a first inclined surface is provided at one end of the protective shell close to the protective component (7), and a second inclined surface matched with the first inclined surface is provided on the protective component (7), and the first inclined surface is in contact with the second inclined surface.
5. The high-safety scale spacer lithium ion battery pack as claimed in claim 1, further comprising a sealing box (1) and a sealing cover (2) which are matched with each other, wherein the sealing ring (12) is fixedly installed at the edge of the sealing cover (2), and the collecting and fixing plate (4) is fixedly installed on the inner bottom plate of the sealing box (1).
6. The high-safety scale spacer lithium ion battery pack is characterized in that a first threaded hole (101) is formed in the sealing box (1), a second threaded hole (201) is formed in the sealing cover (2), and a bolt (3) is connected between the first threaded hole (101) and the second threaded hole (201) in a threaded manner.
7. The high-safety scale interval type lithium ion battery pack is characterized in that a plurality of damping vertical plates (8) are fixedly connected to the upper end of the protection component (7), an abutting plate (9) is fixedly connected to the upper ends of the damping vertical plates (8), and the abutting plate (9) is in contact with the sealing cover (2).
8. The high-safety scale spacer lithium ion battery pack as claimed in claim 7, wherein the protection component (7), the vertical damping plate (8) and the abutting plate (9) are of an integrated structure.
9. The high-safety scale-spaced lithium ion battery pack as claimed in claim 1, wherein a plurality of heat-conducting shells (10) are arranged in the protective component (7), and the phase-change material (11) is located in each heat-conducting shell (10).
10. The lithium ion battery pack with high safety scale interval of claim 9, wherein the heat conducting shell (10) is made of metal, and the heat conducting shell (10) has heat dissipating fins on both the inner and outer surfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021532037.6U CN212323119U (en) | 2020-07-29 | 2020-07-29 | High-safety scale interval type lithium ion battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021532037.6U CN212323119U (en) | 2020-07-29 | 2020-07-29 | High-safety scale interval type lithium ion battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212323119U true CN212323119U (en) | 2021-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021532037.6U Active CN212323119U (en) | 2020-07-29 | 2020-07-29 | High-safety scale interval type lithium ion battery pack |
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| Country | Link |
|---|---|
| CN (1) | CN212323119U (en) |
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- 2020-07-29 CN CN202021532037.6U patent/CN212323119U/en active Active
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