CN216624425U - Cell component protective structure - Google Patents
Cell component protective structure Download PDFInfo
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- CN216624425U CN216624425U CN202122953976.9U CN202122953976U CN216624425U CN 216624425 U CN216624425 U CN 216624425U CN 202122953976 U CN202122953976 U CN 202122953976U CN 216624425 U CN216624425 U CN 216624425U
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- electric core
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- sealing sleeve
- core assembly
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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 relates to the technical field of lithium battery manufacturing, and discloses a protection structure for an electric core component. The electric core assembly protection structure comprises an electric core assembly, a sealing sleeve and two sheaths, wherein the electric core assembly comprises an electric core, a control board assembly and a wire harness arranged on the electric core and the control board assembly; the two sheaths are respectively sleeved at two ends of the battery core and the control board assembly, at least one of the sheaths is provided with a through hole for the wire harness to penetrate through, and a sealing element is arranged between the wire harness and the hole wall of the through hole; the periphery of electric core and control panel subassembly is located to the sealing sleeve cover, and sealing sleeve's inner wall can be with the outer wall sealing laminating of two sheaths. The electric core assembly protective structure makes the whole electric core assembly completely isolated from the outside, and realizes the all-round protection of the whole electric core assembly, thereby meeting the waterproof and dustproof requirements of the electric core assembly and ensuring the normal work of the electric core assembly in a complex environment.
Description
Technical Field
The utility model relates to the technical field of lithium battery manufacturing, in particular to a protection structure of an electric core component.
Background
Along with the popularization and development of lithium battery class product, the demand and the application scope of lithium battery class product are more and more wide, and the electric core subassembly plays crucial effect as the core component of lithium battery class product in the operation of whole product, and only guarantee that the operating condition of electric core subassembly is stable, just can make the utilization ratio of whole equipment higher, and life is longer. Therefore, when processing manufacturing electric core subassembly, can pay close attention to the requirement such as dustproof of core components and parts, waterproof, dustproof performance is bad if electric core subassembly, and electric core subassembly is inside to have water or dust class material to get into the back and can lead to inefficacy such as its internal circuit short circuit, makes electric core subassembly unable normal work, seriously influences its life.
In the prior art, in order to realize the waterproof and dustproof effects of the electric core assembly, the internal structure of the electric core assembly is generally required to be redesigned and manufactured, so that the workload of technical personnel is increased, and the research, development and manufacturing costs are greatly improved.
Therefore, it is desirable to provide a protection structure for electrical core assembly to solve the above problems.
SUMMERY OF THE UTILITY MODEL
Based on the above, the present invention provides a protection structure for an electric core assembly, which has good waterproof and dustproof effects, does not require redesign and manufacture of the internal structure of the electric core assembly, and has low cost.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a cell assembly protective structure comprising:
the battery core assembly comprises a battery core, a control board assembly and a wire harness arranged on the battery core and the control board assembly;
the two sheaths are respectively sleeved at two ends of the battery cell and the control panel component, at least one sheath is provided with a through hole for the wiring harness to penetrate through, and a sealing element is arranged between the wiring harness and the hole wall of the through hole;
and the sealing sleeve is sleeved on the periphery of the battery cell and the control board assembly, and the inner wall of the sealing sleeve can be in sealing fit with the outer wall of the two sheaths.
As an optimal scheme of the electric core component protection structure, the inner wall of the sealing sleeve can be attached to the outer walls of the electric core and the control board component.
As an electricity core subassembly protective structure's preferred scheme, sealed sleeve pipe adopts PVC, PET, POF, rubber or silica gel material preparation to form.
As an optimal scheme of the electric core component protection structure, the electric core component protection structure further comprises a waterproof sealing rubber strip, and the sealing sleeve is connected with the sheath through the waterproof sealing rubber strip.
As a preferred scheme of the electric core component protection structure, the waterproof sealing adhesive tape is of a double-faced adhesive tape structure, one side of the double-faced adhesive tape structure is bonded to the outer wall of the sheath, and the other side of the double-faced adhesive tape structure is bonded to the inner wall of the sealing sleeve.
As a preferable scheme of the electric core component protection structure, a shielding piece is further arranged on the sheath and surrounds the perforation.
As a preferable scheme of the electric core component protection structure, the top of the shielding piece is provided with a guiding inclined plane, and the guiding inclined plane gradually inclines downwards towards one side far away from the electric core and the control board component.
As a preferable scheme of the electric core component protective structure, the sheath and the shielding piece are of an integrated structure.
As an optimal scheme of the electric core component protection structure, the sheath is manufactured by adopting a plastic uptake process, a blow molding process or an injection molding process.
As a preferable scheme of the electric core component protection structure, the sealing element is sealant.
The utility model has the beneficial effects that:
the utility model provides a protection structure for an electric core assembly, which comprises a sealing sleeve and a sheath, wherein the sheath is sleeved at the end parts of an electric core and a control panel assembly, the sealing sleeve is sleeved at the peripheries of the electric core and the control panel assembly, and a through hole for a wiring harness to penetrate is arranged on at least one sheath; by providing the sealing member between the penetration hole and the wire harness, it is possible to prevent external moisture and dust from entering the inside of the core assembly from the gap between the penetration hole and the wire harness; in addition, through the cooperation of seal bushing and sheath, can wrap up electric core and control panel subassembly in the seal area that seal bushing and two sheaths formed, make whole electric core subassembly keep apart with the external world completely, realize the all-round protection to whole electric core subassembly, thereby satisfy electric core subassembly's waterproof, dirt-proof requirement, in order to guarantee that electric core subassembly normally works in complicated environment, and this electric core subassembly protective structure can be applicable to arbitrary electric core subassembly, need not redesign electric core subassembly's inner structure, can greatly reduced production and manufacturing cost.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a protection structure of an electric core assembly provided by an embodiment of the utility model;
FIG. 2 is a schematic structural view of the electrical core assembly protection structure with the sealing sleeve hidden, according to the embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a sealing sleeve of a protection structure of an electric core assembly provided by an embodiment of the utility model;
fig. 4 is a schematic structural diagram of a sheath of the electric core assembly protection structure provided by the embodiment of the utility model.
In the figure:
1-an electrical core assembly; 11-electric core and control board assembly; 12-a wire harness;
2-a sheath; 21-punching; 22-a shield; 221-a guide slope;
3-sealing the sleeve; 4-waterproof sealing rubber strip.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation that the first and second features are not in direct contact, but are in contact via another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to be limiting.
As shown in fig. 1-4, the present embodiment provides an electric core assembly protection structure, which includes an electric core assembly 1, a sealing sleeve 3 and two sheaths 2, wherein the electric core assembly 1 includes an electric core and control board assembly 11 and a wire harness 12 disposed on the electric core and control board assembly 11; the two sheaths 2 are respectively sleeved at two ends of the battery cell and control panel assembly 11, at least one of the sheaths 2 is provided with a through hole 21 for the wiring harness 12 to penetrate through, and a sealing element is arranged between the wiring harness 12 and the hole wall of the through hole 21; the periphery of electric core and control panel subassembly 11 is located to sealing sleeve 3 cover, and sealing sleeve 3's inner wall can laminate with the outer wall seal of two sheaths 2. The battery cell and control board assembly 11 comprises a battery cell body and a BMS control board, wherein the BMS control board is arranged on the battery cell body and is electrically connected with the battery cell body.
In this embodiment, because electric core and control panel assembly 11's both ends all are provided with pencil 12, for the equipment between convenient pencil 12 and the sheath 2, all be provided with perforation 21 on two sheaths 2, pencil 12 is worn to locate in the perforation 21 that corresponds nearby, can simplify the assembling process, improves the packaging efficiency.
In the electric core component protection structure provided by this embodiment, the sheath 2 is sleeved on the end of the electric core and control panel component 11, the sealing sleeve 3 is sleeved on the periphery of the electric core and control panel component 11, and the wire harness 12 can pass through the perforation 21 for the wire harness 12 to penetrate through, so that the wire harness 12 can pass through the perforation 21 to be connected with an external power supply or various electric components, and the normal use of the electric core component 1 is not affected; by providing a seal between the penetration hole 21 and the wire harness 12, it is possible to prevent external moisture and dust from entering the inside of the electric core assembly 1 from the gap between the penetration hole 21 and the wire harness 12; in addition, through the cooperation of seal bushing 3 and sheath 2, can wrap up electric core and control panel subassembly 11 in the sealing area that seal bushing 3 and two sheaths 2 formed, make whole electric core subassembly 1 keep apart with the external world completely, realize the all-round protection to whole electric core subassembly 1, thereby satisfy electric core subassembly 1 waterproof, dirt-proof requirement, in order to guarantee that electric core subassembly 1 normally works in the environment of complicacy, and this electric core subassembly protective structure can be applicable to arbitrary electric core subassembly 1, need not redesign electric core subassembly 1's inner structure, can greatly reduced production and manufacturing cost.
Optionally, in this embodiment, the sealing member is a sealant. This embodiment does not do the restriction to sealed material of gluing, as long as can realize waterproof and can with perforation 21 and pencil 12 sealed firm can, and select for use the sealed glue that the curing speed is faster as far as possible, can improve the packaging efficiency to this electric core subassembly protective structure.
Further, this electric core subassembly protective structure still includes waterproof sealing adhesive tape 4, and sealing sleeve 3 is connected with sheath 2 through waterproof sealing adhesive tape 4. The waterproof sealing rubber strip 4 can not only realize the bonding between the sealing sleeve 3 and the sheath 2, but also play a waterproof role, and can prevent external moisture from entering the internal circuit failure caused by the gap between the sealing sleeve 3 and the sheath 2 into the electric core assembly 1.
Optionally, the waterproof sealant strip 4 is a double-sided adhesive structure, one side of the double-sided adhesive structure is bonded to the outer wall of the sheath 2, and the other side of the double-sided adhesive structure is bonded to the inner wall of the sealing sleeve 3. When assembling this electric core subassembly protective structure, at first locate electric core and control panel assembly 11's both ends with 2 covers of sheath, paste waterproof sealing adhesive tape 4 again in the position that 2 covers of sheath and 3 laminating mutually of sealing sleeve, then locate electric core and control panel assembly 11's periphery with 3 covers of sealing sleeve, tear the back gum facial tissue in the waterproof sealing adhesive tape 4 outsides off the back again, make sealing sleeve 3 and waterproof sealing adhesive tape 4 bond mutually can, the assembling process is simple, the packaging efficiency is higher.
Further, the inner wall of the sealing sleeve 3 can be attached to the outer wall of the battery cell and the control panel assembly 11. Specifically, the appearance profile of seal bushing 3 completely with electric core and control panel assembly 11's appearance profile looks adaptation, when realizing the good leakproofness to electric core assembly 1, can also save occupation space, do not influence the installation of electric core assembly 1.
Preferably, the sealing sleeve 3 is made of PVC, PET, POF, rubber or silicone. Wherein, above-mentioned material is heated and takes place the shrink easily, and can fully adhere with waterproof sealed strip of glue 4 to realize the waterproof, dirt-proof effect of electric core subassembly 1. As shown in fig. 3, before the electric core assembly protection structure is assembled, the sealing sleeve 3 is a hollow cuboid structure with openings at two ends, the electric core and control panel assembly 11 extends into the sealing sleeve 3 from an opening at one side of the sealing sleeve 3, at this time, a certain gap exists between the electric core and control panel assembly 11 and the inner wall of the sealing sleeve 3, and the gap can facilitate the assembly of the sealing sleeve 3 and the electric core and control panel assembly 11, so that the sealing sleeve 3 is easily sleeved on the electric core and control panel assembly 11; after sealing sleeve 3 bonded in waterproof sealed glue strip 4 mutually, cross the stove with whole electric core subassembly protective structure, utilize high temperature to make sealing sleeve 3 be heated the shrink, so that sealing sleeve 3 and waterproof sealed glue strip 4 fully contact, make sealing sleeve 3's inner wall and electric core and control panel assembly 11's outer wall fully laminate simultaneously, thereby make whole electric core and control panel assembly 11 form with outside relatively sealed region, realize 1 waterproof and dirt-proof effects of whole electric core subassembly.
As shown in fig. 4, a shield 22 is further provided to the sheath 2, and the shield 22 surrounds the through hole 21. By providing the shielding member 22, it is possible to shield the through hole 21 from external moisture and dust which may accumulate at the through hole 21 and cause the wire harness 12 to be in a wet environment for a long time, affecting the service life of the wire harness 12 and the service life of the sealing member at the through hole 21.
Optionally, the top of the shielding member 22 is provided with a guiding inclined plane 221, and the guiding inclined plane 221 is gradually inclined downwards towards the side away from the battery core and the control board assembly 11. Through setting up direction inclined plane 221, when external moisture falls on sheath 2, it can flow out along direction inclined plane 221, avoids long-time ponding between sheath 2 and sealing sleeve 3, influences whole electric core subassembly protective structure's performance and life.
Optionally, sheath 2 and shielding piece 22 formula structure as an organic whole can save mutual link between a plurality of parts, improves machining efficiency, and can make and do not have the clearance between sheath 2 and the shielding piece 22, realizes better sealed effect, reaches waterproof, dirt-proof effect.
In the present embodiment, the sheath 2 is manufactured by a plastic suction process, a blow molding process or an injection molding process. It should be noted that, when the installation space is small, the sheath 2 may adopt a plastic-absorbing film, and the thickness thereof is thin, so as to save the occupied space of the electric core assembly protective structure to a certain extent; when the installation space is large, the sheath 2 may be a blown film or an injection mold.
The assembly process of the electric core assembly protection structure is briefly described below with reference to fig. 1 to 4:
(1) assembling the battery cell body and the BMS control panel;
(2) the wire harness 12 is closely inserted into the through hole 21 of the sheath 2, and a sealant is filled between the through hole 21 and the wire harness 12 to seal the wire harness 12 and the through hole 21;
(3) sleeving the sheath 2 on the end part of the battery cell and control panel assembly 11 on the corresponding side;
(4) a waterproof sealing adhesive tape 4 is stuck at the position where the sheath 2 is jointed with the sealing sleeve 3;
(5) sleeving the sealing sleeve 3 on the periphery of the battery core and control panel assembly 11, and tearing off the back adhesive paper outside the waterproof sealant strip 4 to bond the sealing sleeve 3 and the waterproof sealant strip 4;
(6) cross the stove with whole electric core subassembly protective structure, utilize high temperature to make sealing sleeve 3 be heated the shrink to make sealing sleeve 3 and waterproof sealed glue strip 4 fully contact, make sealing sleeve 3's inner wall and electric core and control panel assembly 11's outer wall fully laminate simultaneously, thereby make whole electric core and control panel assembly 11 form with outside relative sealed region, realize whole electric core assembly 1 waterproof and dirt-proof effect.
The electric core assembly protection structure provided by the embodiment does not need to redesign the peripheral structure of the electric core assembly 1, so that the cost of molds and materials of a peripheral shell and the like can be saved; the electric core assembly 1 can adapt to various types of electric core assemblies, and has strong universality; simple structure, manufacturing cost is lower, can realize good waterproof, dustproof effect, and the reliability is high, can prolong the life of electric core subassembly 1 simultaneously, makes it keep good performance in more complicated environment.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. A cell assembly protective structure, comprising:
the battery core assembly (1) comprises a battery core and control board assembly (11) and a wiring harness (12) arranged on the battery core and control board assembly (11);
the two sheaths (2) are respectively sleeved at two ends of the battery cell and the control board assembly (11), at least one of the sheaths (2) is provided with a through hole (21) for the wiring harness (12) to penetrate through, and a sealing element is arranged between the wiring harness (12) and the hole wall of the through hole (21);
and the sealing sleeve (3) is sleeved on the periphery of the battery cell and the control board assembly (11), and the inner wall of the sealing sleeve (3) can be in sealing fit with the outer wall of the two sheaths (2).
2. The cell assembly protective structure according to claim 1, wherein the inner wall of the sealing sleeve (3) can also be attached to the outer wall of the cell and control panel assembly (11).
3. The electric core assembly protective structure according to claim 2, characterized in that the sealing sleeve (3) is made of PVC, PET, POF, rubber or silica gel.
4. The electric core assembly protective structure according to claim 1, characterized in that it further comprises a waterproof sealing rubber strip (4), said sealing sleeve (3) being connected with said sheath (2) through said waterproof sealing rubber strip (4).
5. The electric core assembly protective structure according to claim 4, characterized in that the waterproof sealing rubber strip (4) is a double-sided adhesive structure, one side of the double-sided adhesive structure is adhered to the outer wall of the sheath (2), and the other side of the double-sided adhesive structure is adhered to the inner wall of the sealing sleeve (3).
6. The electric core assembly protective structure according to claim 1, characterized in that a shielding piece (22) is further arranged on the sheath (2), and the shielding piece (22) is arranged around the perforation (21).
7. The battery cell assembly protective structure according to claim 6, characterized in that the top of the shielding member (22) is provided with a guiding inclined plane (221), and the guiding inclined plane (221) is gradually inclined downwards to the side far away from the battery cell and the control board assembly (11).
8. The electric core assembly shielding structure according to claim 6, characterized in that said sheath (2) and said shielding member (22) are of a unitary structure.
9. The electric core assembly protective structure according to any one of claims 1-8, wherein the sheath (2) is manufactured by using a plastic-suction process, a blow-molding process or an injection molding process.
10. The electric core assembly protective structure according to any one of claims 1 to 8, wherein the sealing member is a sealant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122953976.9U CN216624425U (en) | 2021-11-29 | 2021-11-29 | Cell component protective structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122953976.9U CN216624425U (en) | 2021-11-29 | 2021-11-29 | Cell component protective structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216624425U true CN216624425U (en) | 2022-05-27 |
Family
ID=81699837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122953976.9U Active CN216624425U (en) | 2021-11-29 | 2021-11-29 | Cell component protective structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216624425U (en) |
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2021
- 2021-11-29 CN CN202122953976.9U patent/CN216624425U/en active Active
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