CN222463295U - Portable battery pack - Google Patents
Portable battery pack Download PDFInfo
- Publication number
- CN222463295U CN222463295U CN202423089651.0U CN202423089651U CN222463295U CN 222463295 U CN222463295 U CN 222463295U CN 202423089651 U CN202423089651 U CN 202423089651U CN 222463295 U CN222463295 U CN 222463295U
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- China
- Prior art keywords
- battery pack
- sheet metal
- groove
- metal cover
- cell assembly
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- 229910052751 metal Inorganic materials 0.000 claims abstract description 58
- 239000002184 metal Substances 0.000 claims abstract description 58
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 239000011159 matrix material Substances 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 5
- 239000003063 flame retardant Substances 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000010009 beating Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Battery Mounting, Suspending (AREA)
Abstract
The utility model relates to the technical field of battery packs and discloses a portable battery pack, which comprises a shell and a battery cell assembly, wherein the shell comprises a plastic shell and a first sheet metal cover, the plastic shell is provided with a containing groove communicated with the outside, the first sheet metal cover is detachably arranged on the plastic shell and seals the containing groove, a second sheet metal cover is detachably arranged on one side, away from the first sheet metal cover, of the plastic shell, and the battery cell assembly is detachably arranged in the containing groove. The portable battery pack provided by the utility model has the advantages of simple structure, easiness in installation and high safety.
Description
Technical Field
The utility model belongs to the technical field of battery packs, and particularly relates to a portable battery pack.
Background
The housing of a conventional battery pack is generally composed of a steel plate assembly and an aluminum alloy assembly, which makes the overall mass of the battery pack excessively heavy. This is particularly disadvantageous for electric vehicles because the heavier battery pack not only increases the overall weight of the vehicle, thereby affecting the range, but also increases energy consumption and decreases efficiency. For this purpose, the prior art has developed battery packs having a plastic outer case and provided a rigid frame within the case. Although this design can reduce the overall weight of the battery pack to some extent, it still has significant drawbacks in practical use. Specifically, the battery generates a large amount of heat during use, and if the heat is inappropriately dissipated, overheat failure may occur, thereby causing a fire risk. The plastic shell has poor flame retardant property and cannot effectively prevent fire from spreading, so that the safety of the battery pack is greatly reduced.
Disclosure of utility model
The utility model aims to solve the problems in the prior art and provide a portable battery pack which is simple in structure, easy to install and high in safety.
The portable battery pack comprises a shell and a battery cell assembly, wherein the shell comprises a plastic shell body and a first metal plate cover, the plastic shell body is provided with a containing groove communicated with the outside, the first metal plate cover is detachably arranged on the plastic shell body and seals the containing groove, a second metal plate cover is detachably arranged on one side, away from the first metal plate cover, of the plastic shell body, and the battery cell assembly is detachably arranged in the containing groove.
In the portable battery pack, the plastic shell comprises a bottom plate and side plates which are integrally formed, the bottom plate is rectangular, the side plates are hollow rectangular frames, are vertically connected with the bottom plate, and are matched with the bottom plate to form the accommodating groove.
In the portable battery pack, the bottom plate is provided with a groove on one side away from the side plate, the groove is recessed towards the direction close to the accommodating groove, the portable battery pack is provided with a plurality of first connecting structures, the second sheet metal cover is embedded in the groove, and the portable battery pack is provided with a plurality of first mounting holes which are in one-to-one correspondence with the first connecting structures and form detachable connection.
In the portable battery pack, a plurality of the first connection structures are circumferentially arranged along the groove, each of the first connection structures is a cylinder with internal threads, and the first connection structures and the first mounting holes are detachably connected through bolts.
In the portable battery pack, a limiting groove is further formed in one side, facing the first metal plate cover, of the bottom plate, a plurality of protrusions are arranged in a matrix in the limiting groove, and when the battery cell assembly is mounted in the accommodating groove, the protrusions and the battery cell assembly form clamping connection.
In the portable battery pack, the side plate is away from one side of the bottom plate and is provided with an extending edge, the extending edge comprises a first extending part which extends along the center direction of the side plate, a plurality of second connecting structures are arranged on the first extending part, the battery cell assembly comprises a sheet metal bracket which is detachably clamped on the first extending part, and a plurality of second mounting holes which are in one-to-one correspondence with the second connecting structures and form detachable connection with the sheet metal bracket.
In the portable battery pack, the second connection structure includes a fixing portion having an internal thread, the fixing portion and the second mounting hole form a detachable connection through a bolt, and the second connection structure further includes a plurality of reinforcing ribs surrounding the outer wall of the fixing portion.
In the portable battery pack, the extension edge further includes a second extension portion connected to the first extension portion, a plurality of third connection structures are disposed on the second extension portion, the first sheet metal cover has a plurality of fourth connection structures detachably connected to the third connection structures, and the first sheet metal cover has a wrapping edge wrapping the second extension portion.
In the portable battery pack, the battery core assembly further comprises a plastic fixing frame and a plurality of batteries, wherein the plastic fixing frame is provided with a plurality of clamping grooves which are in one-to-one correspondence with the batteries and form plug connection, and the plastic fixing frame is detachably connected with the metal plate bracket.
In the portable battery pack, one side of the bottom plate, which is away from the accommodating groove, is also provided with the mounting groove, a hook structure is arranged in the mounting groove, one end of the hook structure is detachably positioned in the mounting groove, and the other end of the hook structure extends out of the mounting groove.
Compared with the prior art, the battery pack has the beneficial effects that the combination of the plastic shell and the first sheet metal cover is adopted as the shell of the battery pack, and the detachable second sheet metal cover is arranged on one side, away from the first sheet metal cover, of the plastic shell, so that the integral weight of the battery pack is remarkably reduced, the influence of the weight of the battery pack on other equipment is avoided, the flame retardant performance of the shell is improved, the fire is prevented from diffusing outwards from the inside, and the use safety of the battery pack is effectively improved.
Drawings
Fig. 1 is a schematic structural view of a portable battery pack according to an embodiment of the present utility model.
Fig. 2 is an exploded view of a portable battery pack according to an embodiment of the present utility model.
Fig. 3 is a schematic structural diagram of another view of fig. 2.
Fig. 4 is a schematic structural view of a plastic housing according to an embodiment of the present utility model.
In all the drawings, the same reference numerals refer to the same technical characteristics, and the technical characteristics comprise 100, a plastic shell, 101, a containing groove, 110, a bottom plate, 111, a groove, 112, a limit groove, 113, a bulge, 114, a mounting groove, 120, a side plate, 121, a first extension part, 122, a second extension part, 200, a first sheet metal cover, 210, a fourth connecting structure, 220, a binding, 300, a second sheet metal cover, 310, a first mounting hole, 400, a battery cell assembly, 410, a sheet metal bracket, 411, a second mounting hole, 420, a plastic fixing frame, 421, a clamping groove, 430, a battery, 500, a hook structure, 600, a first connecting structure, 610, a second connecting structure, 611, a fixing part, 612, a reinforcing rib, 620 and a third connecting structure.
Detailed Description
The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear are used in the embodiments of the present utility model) are merely for explaining the relative positional relationship, movement conditions, and the like between the components in a certain specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicators are changed accordingly.
As shown in fig. 1 to 4, a portable battery pack comprises a housing and a battery cell assembly 400, wherein the housing comprises a plastic housing 100 and a first sheet metal cover 200, the plastic housing 100 is provided with a containing groove 101 communicated with the outside, the first sheet metal cover 200 is detachably arranged on the plastic housing 100 and seals the containing groove 101, a second sheet metal cover 300 is detachably arranged on one side, away from the first sheet metal cover 200, of the plastic housing 100, and the battery cell assembly 400 is detachably arranged in the containing groove 101. The design not only effectively lightens the overall weight of the battery pack, but also improves the flame retardant property of the shell, avoids outward diffusion of fire when two ends of the internal battery 430 are on fire, and effectively improves the use safety of the battery pack.
Specifically, as shown in fig. 1 to 4, in the present embodiment, the battery pack is mainly composed of a housing, a second sheet metal cover 300, a battery cell assembly 400, and a hook structure 500.
In this embodiment, the housing includes a plastic housing 100 and a first sheet metal cover 200, and the plastic housing 100 has a rectangular box shape and has a receiving groove 101 communicating with the outside for receiving the cell assembly 400. The first sheet metal cover 200 is rectangular and is detachably disposed on the plastic housing 100, and has a size corresponding to the accommodating groove 101, and forms a seal for the accommodating groove 101, and forms a closed space together with the plastic housing 100 for accommodating the battery cell assembly 400. Compared with the traditional all-metal-plate shell design, the design effectively reduces the overall weight of the battery pack, avoids the influence of the weight of the battery pack on the operation of other equipment, and meanwhile, compared with the all-plastic shell design, the design effectively improves the flame retardance of the shell, and further ensures the use safety of the battery pack. In general, the design reduces the overall weight of the battery pack and ensures the use safety of the battery pack.
To further improve the flame retardant performance of the housing, in the present embodiment, the side of the plastic housing 100 facing away from the first sheet metal cover 200 is detachably provided with a second sheet metal cover 300. The design makes the corresponding position of both ends of the battery 430 all have the protection of panel beating lid, no matter which end of the battery 430 fires, the fire can be restrained from spreading, and the safety of the battery pack use is further effectively improved.
In this embodiment, the plastic housing 100 includes a bottom plate 110 and a side plate 120 integrally formed, the bottom plate 110 is rectangular, the side plate 120 is a hollow rectangular frame, and is vertically connected to the bottom plate 110 and cooperates with the bottom plate 110 to form the accommodating groove 101. The integrated design effectively reduces the connection joint between the bottom plate 110 and the side plate 120, thereby reducing the risk of moisture and dust entering the interior of the battery pack, enhancing the protection level of the battery pack, and reducing the number of parts and procedures required for assembly and reducing the production cost.
In this embodiment, the side of the bottom plate 110 facing away from the side plate 120 has a rectangular groove 111, the groove 111 is recessed toward the direction close to the accommodating groove 101, and has a plurality of first connecting structures 600, and the second sheet metal cover 300 is embedded in the groove 111, and has a plurality of first mounting holes 310 corresponding to the first connecting structures 600 one by one and forming detachable connection. This design has not only improved the convenience of second panel beating lid 300 dismouting, has still guaranteed the planarization of battery package bottom.
In this embodiment, the plurality of first connection structures 600 are uniformly distributed along the circumferential direction of the groove 111 to achieve uniform multipoint connection with the second sheet metal cover 300, wherein each first connection structure 600 is a cylinder with internal threads, and each first connection structure 600 and the first mounting hole 310 form detachable connection through bolts. This design provides a stable and easily detachable connection between the second sheet metal cover 300 and the base plate 110, ensuring reliability for long-term use, while simplifying the assembly process.
In this embodiment, a limiting groove 112 is further disposed on the side of the bottom plate 110 facing the first metal plate cover 200, and a plurality of protrusions 113 are disposed in the limiting groove 112, and when the battery cell assembly 400 is mounted in the accommodating groove 101, the plurality of protrusions 113 and the battery cell assembly 400 form a clamping connection. This design prevents the battery 430 from moving within the battery pack, thereby improving the safety of the battery pack use and reducing the risk of damage to the battery 430 due to shock.
Preferably, in the present embodiment, the protrusions 113 are integrally injection-molded with the base plate 110 with a gap between adjacent two of the protrusions 113, which is adapted to the size of the battery 430. The design effectively saves a fixing frame for fixing the battery 430, so that the battery cell assembly 400 only needs to design a fixing frame at the other end of the battery 430, the process of installing the battery cell assembly 400 is effectively reduced, and the installation efficiency of the battery cell assembly 400 is improved.
In this embodiment, a mounting groove 114 is further formed on a side of the bottom plate 110 away from the accommodating groove 101, and a hook structure 500 is disposed in the mounting groove 114, wherein one end of the hook structure 500 is detachably disposed in the mounting groove 114, and the other end extends out of the mounting groove 114. The design provides additional fixing options for the battery pack, such as hanging on other devices or on a wall, so that a user can select different mounting modes according to needs, and the applicability and portability of the battery pack are effectively improved.
In this embodiment, an extension edge is disposed on a side of the side plate 120 facing away from the bottom plate 110, the extension edge includes a first extension portion 121 extending along a direction away from the center of the side plate 120, a plurality of second connection structures 610 are disposed on the first extension portion 121, the battery cell assembly 400 includes a metal plate bracket 410 detachably fastened on the first extension portion 121, and the metal plate bracket 410 has a plurality of second mounting holes 411 corresponding to the second connection structures 610 one by one and forming detachable connection. The design realizes multipoint connection of the battery cell assembly 400 and the plastic shell 100, effectively ensures the connection firmness of the battery cell assembly 400 and the plastic shell 100, and improves the operation convenience when the battery cell assembly 400 is installed.
Preferably, in the present embodiment, the first extension parts 121 are circumferentially arranged along the side plate 120, and the second connection structures 610 are arranged along the length direction of the first extension parts 121. The design effectively improves the strength of the plastic housing 100, and further ensures the stability and reliability of the connection of the battery cell assembly 400 and the plastic housing 100.
It should be noted that, when the battery cell assembly 400 is installed in the accommodating groove 101, a gap is formed between the side plate 120 and the battery cell assembly 400, and the gap can effectively isolate the battery cell assembly 400 from the side plate 120, so as to avoid deformation or fire of the side plate 120 caused by heating of the battery 430.
In this embodiment, the second connection structure 610 includes a fixing portion 611 having an internal thread, the fixing portion 611 and the second mounting hole 411 are detachably connected by a bolt, preferably, the fixing portion 611 has a cylindrical shape, and the second connection structure 610 further includes a plurality of reinforcing ribs 612 surrounding an outer wall of the fixing portion 611. This design enhances the mechanical strength of the fixing part 611, prevents the second connection structure 610 from being deformed or broken when being subjected to external force, and further ensures the stability of the battery cell assembly 400 after being mounted, so that the entire battery pack is more durable.
In this embodiment, the extending edge further includes a second extending portion 122 connected to the first extending portion 121, a plurality of third connecting structures 620 are disposed on the second extending portion 122, the first sheet metal cover 200 has a plurality of fourth connecting structures 210 detachably connected to the third connecting structures 620, and the first sheet metal cover 200 has a covered edge 220 covering the second extending portion 122. The design not only enhances the connection strength of the first sheet metal cover 200 and the plastic housing 100, but also improves the overall aesthetic degree of the product.
Preferably, in the present embodiment, the second extension portion 122 is disposed along the length direction of the first extension portion 121, and is integrally injection molded with the first extension portion 121, and the plurality of third connection structures 620 are uniformly arranged along the length direction of the second extension portion 122, each third connection structure 620 is a hollow boss structure, and the fourth connection structure 210 is a cylinder with internal threads and is connected with the first sheet metal cover 200 through press riveting. The design not only further ensures the connection strength and stability of the first sheet metal cover 200 and the plastic shell 100, but also enables the front surface of the first sheet metal cover 200 to be smooth and free of traces of mounting holes, and effectively improves the attractiveness of the battery pack.
In this embodiment, the battery cell assembly 400 is detachably disposed in the accommodating groove 101 as a core component of the battery pack, and includes a plastic fixing frame 420, a plurality of batteries 430 and a metal plate bracket 410, wherein the plastic fixing frame 420 is provided with a plurality of slots 421 corresponding to the batteries 430 one by one and forming a plug connection, and the plastic fixing frame 420 is detachably connected with the metal plate bracket 410. Due to the design of the plastic fixing frame 420, after the battery cell assembly 400 is installed in the accommodating groove 101, one end of the battery 430 is clamped into a gap between the adjacent protrusions 113, and the other end of the battery 430 is clamped into the clamping groove 421, so that the battery 430 is prevented from moving in the use process of the battery pack, the running stability of the battery pack is effectively ensured, and meanwhile, the insulation requirement of the battery 430 is met. The design of the metal plate bracket 410 ensures the connection convenience of the battery cell assembly 400 and the plastic housing 100, and improves the strength of the battery cell assembly 400, and also suppresses the fire at the end of the battery 430 to a certain extent, which effectively improves the flame retardant property of the housing through the cooperation with the first metal plate cover 200.
Preferably, in the present embodiment, the plastic fixing frame 420 and the sheet metal bracket 410 are detachably connected through bolts.
It should be noted that the description of the present utility model as it relates to "first", "second", "a", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise. The terms "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, directly connected, indirectly connected via an intermediate medium, or in communication between two elements or in an interaction relationship between two elements, unless otherwise specifically defined. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In addition, the technical solutions of the embodiments of the present utility model may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present utility model.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202423089651.0U CN222463295U (en) | 2024-12-16 | 2024-12-16 | Portable battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202423089651.0U CN222463295U (en) | 2024-12-16 | 2024-12-16 | Portable battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222463295U true CN222463295U (en) | 2025-02-11 |
Family
ID=94436883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202423089651.0U Active CN222463295U (en) | 2024-12-16 | 2024-12-16 | Portable battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222463295U (en) |
-
2024
- 2024-12-16 CN CN202423089651.0U patent/CN222463295U/en active Active
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