CN212571179U - Battery support of full package structure can balanced group battery temperature - Google Patents

Abstract

The utility model relates to a battery bracket with a full-packaging structure and capable of balancing the temperature of a battery pack, which comprises an upper bracket and a lower bracket, wherein the bottom of the upper bracket is provided with an upper fixing seat, and the bottom surface of the upper fixing seat is provided with a plurality of upper accommodating holes corresponding to the positions of all electric cores of the battery pack; the top of lower carriage is equipped with the lower fixing base that is used for with the relative lock of last fixing base, is equipped with on the top surface of lower fixing base with a plurality of lower accommodation holes that go up the position corresponding of accommodation hole, the battery accommodation hole that all sides are confined and are used for holding electric core is formed with lower accommodation hole lock that the position is corresponding. Through a plurality of accommodation holes of going up and the cooperation of lower accommodation hole form a plurality of relatively independent battery accommodation hole, this battery accommodation hole is because from all sides side direction cladding electricity core completely, so the battery accommodation hole is full package structure, makes the high electric core of temperature pass through the fixing base with heat transfer to adjacent electric core, realizes the balance of group battery temperature.

Description

Battery support of full package structure can balanced group battery temperature

The technical field is as follows:

the utility model relates to a wrap battery holder that can balanced group battery temperature of structure entirely.

Background art:

the current battery pack bracket adopts a local wrapping structure or a wrapping-free structure, and the electric cores are basically in a partition state, and the structure has the following defects:

(1) the battery core mainly radiates heat by itself or transfers heat by thermal radiation, and the radiating effect is poor;

(2) in the multi-section series-parallel battery pack, the temperature of the middle battery cell is high in the use process of the battery pack, and the temperature difference between the middle battery cell and the edge battery cell is large due to the fact that heat cannot be dissipated, and the middle battery cell is easy to deteriorate;

(3) in the multisection series-parallel connection battery pack, in the use process of large-current charging and discharging of the battery pack, the battery core in the middle is higher in temperature and cannot dissipate heat, the temperature of the battery core in the middle is higher than a protection value, the battery pack is protected, if the temperature is not monitored, the battery core cannot be used due to high temperature damage, and then the battery pack is dangerous.

The utility model has the following contents:

the utility model discloses make the improvement to the problem that above-mentioned prior art exists, promptly the utility model aims to solve the technical problem that a battery support that can the balanced group battery temperature of full package structure is provided.

In order to realize the purpose, the utility model discloses a technical scheme is: a battery support with a full-packaging structure and capable of balancing the temperature of a battery pack comprises an upper support and a lower support which are arranged in parallel from top to bottom, wherein the bottom of the upper support is provided with an upper fixed seat, and the bottom surface of the upper fixed seat is provided with a plurality of upper accommodating holes corresponding to the positions of all battery cells of the battery pack; the top of lower carriage is equipped with the lower fixing base that is used for with the relative lock of last fixing base, be equipped with on the top surface of lower fixing base with a plurality of lower accommodation holes that go up the corresponding position of accommodation hole, lower accommodation hole and lower accommodation hole lock form week side confined and be used for holding the battery accommodation hole of electric core.

Furthermore, a plurality of upper fixing holes which correspond to the positions of the upper accommodating holes and are used for fixing the positive end of the battery cell are formed in the upper support; and a plurality of lower fixing holes which correspond to the positions of the lower accommodating holes and are used for fixing the cathode end of the battery core are formed in the lower support.

Further, the battery accommodating holes are distributed in a matrix shape or a honeycomb shape.

Furthermore, the outer edge of the top of the lower fixing seat is provided with an annular flange used for coating the outer side of the lower end of the upper fixing seat.

Furthermore, the upper bracket, the upper fixing seat, the lower bracket and the lower fixing seat are all made of plastic materials.

Furthermore, the wall thickness of the upper fixing seat and the wall thickness of the lower fixing seat are both 1-2 mm.

Compared with the prior art, the utility model discloses following effect has: the utility model has the advantages of reasonable design, adopt the full package structure to lay alone every electric core, make the high electric core of temperature pass through the fixing base with heat transfer to adjacent electric core, realize the balance of group battery temperature, reduced the risk that electric core takes place the degradation because of the temperature is high, promote the group battery life-span.

Description of the drawings:

fig. 1 is a schematic perspective view of an embodiment of the present invention;

fig. 2 is an exploded view of an embodiment of the present invention;

fig. 3 is a schematic perspective view of an upper bracket in an embodiment of the present invention;

fig. 4 is a schematic perspective view of a lower frame in an embodiment of the present invention;

FIG. 5 is a schematic perspective view of a nickel strap according to an embodiment of the present invention;

FIG. 6 is a schematic perspective view of a nickel strap unit according to an embodiment of the present invention;

fig. 7 is a schematic view of a partial structure of a nickel strap unit in an embodiment of the present invention.

The specific implementation mode is as follows:

the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

As shown in fig. 1 to 4, the battery support with a full-package structure of the present invention capable of equalizing the temperature of a battery pack includes an upper support 1 and a lower support 2 arranged in parallel, an upper fixing seat 3 is disposed at the bottom of the upper support 1, and a plurality of upper receiving holes 5 corresponding to the positions of each battery cell 9 of the battery pack 4 are disposed at the bottom surface of the upper fixing seat 3; the top of lower carriage 2 is equipped with the lower fixing base 6 that is used for with the relative lock of last fixing base 3, be equipped with on the top surface of lower fixing base 6 with a plurality of lower accommodation holes 7 that go up the corresponding position of accommodation hole 5, the corresponding lower accommodation hole 7 of position forms week side confined and is used for holding the battery accommodation hole of electric core with lower accommodation hole 5 looks lock. Through a plurality of accommodation holes of going up and the cooperation of lower accommodation hole form a plurality of relatively independent battery accommodation hole, this battery accommodation hole is because from all sides side direction cladding electricity core completely, so the battery accommodation hole is full package structure, makes the high electric core of temperature pass through the fixing base with heat transfer to adjacent electric core, realizes the balance of group battery temperature.

In this embodiment, the upper bracket 1 is provided with a plurality of upper fixing holes 8 corresponding to the positions of the plurality of upper accommodating holes 5 and used for fixing the positive electrode terminal of the battery cell; and a plurality of lower fixing holes which correspond to the positions of the lower accommodating holes 7 and are used for fixing the cathode end of the battery core are formed in the lower support 2.

In this embodiment, the battery accommodation holes are distributed in a matrix or honeycomb shape, and the plurality of battery accommodation holes are continuously maintained to conduct heat. Preferably, the upper fixing seat and the lower fixing seat are formed by a plurality of cylinders in a matrix-type distribution or a honeycomb-type distribution, each cylinder of the upper fixing seat is provided with an upper accommodating hole, and each cylinder of the lower fixing seat is provided with a lower accommodating hole.

In this embodiment, the upper accommodation hole and the lower accommodation hole are both vertically disposed.

In this embodiment, the outer edge of the top of the lower fixing seat 6 is provided with an annular flange 10 for covering the outer side of the lower end of the upper fixing seat 3. Through the annular flange of the top design of fixing base down, conveniently do waterproof sealing to the edge lock department of upper and lower fixing base.

In this embodiment, the upper bracket 1, the upper fixing base 3, the lower bracket 2 and the lower fixing base 6 are all made of plastic materials, so as to have good heat-conducting performance.

In this embodiment, the wall thickness of the upper fixing seat 3 and the wall thickness of the lower fixing seat 6 are both 1-2 mm. And the thin wall thickness is adopted, so that the heat transfer is facilitated.

In this embodiment, the upper bracket 1 and the lower bracket 2 are both rectangular plate-shaped structures.

In this embodiment, the top of the upper bracket 1 and the bottom of the lower bracket 2 are both provided with a nickel strap for welding with the positive end or the negative end of the battery cell, the nickel strap includes a nickel strap body 12, the nickel strap body 12 is provided with a plurality of welding holes 13 corresponding to positions of the battery cells of the battery pack, each welding hole 13 is provided with a welding portion 14 vertically staggered with the nickel strap body 12, and the middle of the welding portion 14 is provided with a diversion trench 15, as shown in fig. 5-7. Through designing every weld part and nickel strap body into dislocation from top to bottom, every electric core weld part designs into the same structure promptly to design the same splitter box structure, the path of the spot welding current of every electric core is unanimous when guaranteeing the spot welding, the spot welding current is unanimous, guarantees the reliability of spot welding, does not have the phenomenon of rosin joint.

In this embodiment, the welding portion 14 and the nickel strap body 12 are connected via a vertical connection portion 16, and the nickel strap body 12, the welding portion 14 and the connection portion 16 are integrally formed.

In this embodiment, the nickel strap body 12 includes a plurality of strip-shaped nickel strap monomers 17 distributed side by side, and two adjacent nickel strap monomers 17 are separated by a wavy separation groove 18. The top surface of the upper bracket 1 and the top surface of the lower bracket 2 are both provided with wavy convex strips 19 which are matched with the wavy separation grooves 18.

The utility model has the advantages that: (1) in order to ensure that the battery cell with high temperature transmits heat to the adjacent battery cell through the fixing seat in the using process of the battery pack, the risk of deterioration of the battery cell due to high temperature is reduced; (2) in order to ensure that the temperature of the battery pack is reduced through the heat conduction effect of the fixing seat in the use process of the battery pack, particularly the temperature difference of the electric core is reduced, the phenomenon that the battery pack is deteriorated at a certain speed or at a certain speed due to unbalanced temperature is avoided, and the service life of the battery pack is prolonged; (3) in order to guarantee that the temperature of the battery pack is reduced through the heat conduction effect of the fixing seat in the use process of the battery pack, the temperature difference of a central part battery cell is particularly reduced, and the phenomenon that the battery pack is protected due to overhigh temperature and cannot work to influence the use of a product is avoided.

The utility model discloses if disclose or related to mutual fixed connection's spare part or structure, then, except that other the note, fixed connection can understand: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connections (e.g. riveting, welding), but of course, fixed connections to each other may also be replaced by one-piece structures (e.g. manufactured integrally using a casting process) (unless it is obviously impossible to use an integral forming process).

In addition, the terms used in any aspect of the present disclosure as described above to indicate positional relationships or shapes include similar, analogous, or approximate states or shapes unless otherwise stated.

The utility model provides an arbitrary part both can be assembled by a plurality of solitary component parts and form, also can be the solitary part that the integrated into one piece technology was made.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.

Claims (6)

1. The utility model provides a can battery support of balanced group battery temperature of full package structure which characterized in that: the battery pack comprises an upper bracket and a lower bracket which are arranged in parallel up and down, wherein an upper fixed seat is arranged at the bottom of the upper bracket, and a plurality of upper accommodating holes corresponding to the positions of all electric cores of the battery pack are formed in the bottom surface of the upper fixed seat; the top of lower carriage is equipped with the lower fixing base that is used for with the relative lock of last fixing base, be equipped with on the top surface of lower fixing base with a plurality of lower accommodation holes that go up the corresponding position of accommodation hole, lower accommodation hole and lower accommodation hole lock form week side confined and be used for holding the battery accommodation hole of electric core.

2. The battery support with the full-package structure and capable of equalizing the temperature of the battery pack as claimed in claim 1, wherein: the upper bracket is provided with a plurality of upper fixing holes which correspond to the positions of the upper containing holes and are used for fixing the positive end of the battery cell; and a plurality of lower fixing holes which correspond to the positions of the lower accommodating holes and are used for fixing the cathode end of the battery core are formed in the lower support.

3. The battery support with the full-package structure and capable of equalizing the temperature of the battery pack as claimed in claim 1, wherein: the battery accommodating holes are distributed in a matrix shape or a honeycomb shape.

4. The battery support with the full-package structure and capable of equalizing the temperature of the battery pack as claimed in claim 1, wherein: and the outer edge of the top of the lower fixed seat is provided with an annular flange used for coating the outer side of the lower end of the upper fixed seat.

5. The battery support with the full-package structure and capable of equalizing the temperature of the battery pack as claimed in claim 1, wherein: the upper support, the upper fixing seat, the lower support and the lower fixing seat are all made of plastic materials.

6. The battery support with the full-package structure and capable of equalizing the temperature of the battery pack as claimed in claim 1, wherein: the wall thickness of the upper fixing seat and the wall thickness of the lower fixing seat are both 1-2 mm.

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