CN218827416U - Battery pack and cloud platform camera - Google Patents

Abstract

The utility model belongs to the technical field of the battery heat dissipation, especially, relate to a battery pack and cloud platform camera, cloud platform camera includes battery compartment and battery pack, battery pack includes electric core group and graphite flake, electric core group includes a plurality of electric cores, electric core group has the cooling surface, the side and the cooling surface laminating of being close to electric core group of graphite flake, the side of keeping away from electric core group of graphite flake is used for contacting with the bulkhead or the radiating part of battery compartment, can be in battery pack discharge and charging process like this, utilize the graphite flake to have the advantage of better thermal conductivity, contact through graphite flake and battery compartment bulkhead or radiating part, accelerate the radiating rate of electric core group, improve battery pack's radiating efficiency, can reduce the overheated and probability of the phenomenon of explosion of battery pack, improve battery pack's security performance.

Description

Battery pack and cloud platform camera

Technical Field

The utility model belongs to the technical field of the battery heat dissipation, especially, relate to a battery pack and cloud platform camera.

Background

Consumer electronics (e.g., mobile phones, pan/tilt cameras, etc.) typically use rechargeable batteries to supply power. During the use or charging process of the electronic product, most of the heat of the electronic product is generated by the battery.

Among the prior art, battery snap-on is in the battery compartment of electronic product, and battery radiating effect is relatively poor, has that the battery dispels the heat slowly, the battery heat piles up and electronic product scalds the problem of holding to after electronic product uses for a long time, if can not in time effectual heat dissipation can influence the life of battery, influence user experience, can lead to the overheated risk that produces the explosion of battery even.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: the battery radiating effect among the current electronic product is relatively poor, may lead to the overheated and technical problem who explodes of battery, provides a battery pack and cloud platform camera.

In order to solve the technical problem, an embodiment of the utility model provides a battery pack, including electric core group and graphite flake, electric core group includes a plurality of electric cores, electric core group has the cooling surface, being close to of graphite flake the side of electric core group with the cooling surface laminating, keeping away from of graphite flake the side of electric core group be used for with the bulkhead of battery compartment or the contact of cooling part in the battery compartment.

Optionally, the electric core group is provided with two heat dissipation surfaces which are arranged in an opposite way, and the two heat dissipation surfaces are respectively a first heat dissipation surface and a second heat dissipation surface.

Optionally, the graphite flake is provided with two, two the graphite flake is first graphite flake and second graphite flake respectively, first graphite flake includes first lamellar body, being close to of first lamellar body the side of electric core group with first cooling surface laminates, the second graphite flake includes the second lamellar body, being close to of second lamellar body the side of electric core group at least part of the surface with the laminating of second cooling surface.

Optionally, the electric core assembly further has a first side surface and a second side surface which are connected between the first heat dissipation surface and the second heat dissipation surface and are arranged oppositely, and the first side surface and the first heat dissipation surface are both flat surfaces and are perpendicular to each other;

first graphite flake including connect first extension lamellar body and the second extension lamellar body at the both ends of first lamellar body, first extension lamellar body with the second extend the lamellar body all with first lamellar body is perpendicular, first extension lamellar body be close to the side of electric core group with the laminating of first side, the second extends being close to the side of lamellar body the electric core group with the laminating of second side.

Optionally, the first extending sheet bodies are provided in plurality and arranged at intervals;

the second extends lamellar body and is provided with a plurality ofly, a plurality ofly it extends lamellar body interval arrangement to be a plurality of.

Optionally, the electric core assembly is of a rectangular parallelepiped structure, the first heat dissipation surface and the second heat dissipation surface are arranged at intervals in the width direction of the electric core assembly, the electric core assembly further includes a protection plate, the protection plate is located at one end of the electric core assembly in the height direction, the protection plate is electrically connected to the electric core, and an end surface of the protection plate, which faces away from the electric core, is a first end surface of the electric core assembly;

the first graphite sheet comprises a third extending sheet body connected with the first sheet body, and the side face, close to the electric core group, of the third extending sheet body is attached to the first end face.

Optionally, the first graphite sheet further comprises a fourth extending sheet connected to the third extending sheet, the fourth extending sheet is parallel to and spaced from the first extending sheet, and a side surface of the fourth extending sheet close to the electric core set is attached to the second heat dissipation surface;

the side surface of the fourth extending sheet body, which is far away from the electric core group, is attached to the second sheet body.

Optionally, the battery pack further comprises a positioning block, the positioning block is located on one side, back to the battery pack, of the third extending sheet body, the positioning block is connected with the third extending sheet body, and the positioning block is used for being in positioning fit with the battery compartment.

Optionally, the second graphite sheet further includes a positioning sheet body connected to the second sheet body, the positioning sheet body is located on one side of the positioning block facing away from the electric core set, and the positioning sheet is used for being press-fitted between the positioning block and the bin wall of the battery bin.

Optionally, an external electrode plate is arranged on the protection plate, the external electrode plate extends towards the direction of the cell pack and is in an "L" -shaped structure, the external electrode plate comprises a connecting part corresponding to the horizontal short side of the "L" -shaped structure and an overhanging part corresponding to the vertical long side of the "L" -shaped structure, and the end part of the connecting part is connected with the protection plate;

the second lamellar body is located the electric core group with between the external electrode board, be provided with on the second lamellar body and be used for dodging the breach of dodging of connecting portion.

According to the utility model discloses battery pack, set up the graphite flake, make the one side that is close to the electric core group of graphite flake and the cooling surface laminating of electric core group, keep away from the one side of electric core group and the interior cooling part contact of bulkhead or the battery compartment of battery compartment in the cloud platform camera, can be in battery pack discharge and charging process, utilize the graphite flake to have better heat-conducting advantage, contact through graphite flake and battery compartment bulkhead, accelerate the radiating rate of electric core group, improve battery pack's radiating efficiency, can reduce battery pack overheated and the probability of the phenomenon of exploding, improve battery pack's security performance.

On the other hand, the embodiment of the utility model provides a cloud platform camera is still provided, including battery compartment and above-mentioned battery pack.

Drawings

Fig. 1 is a schematic structural view of a battery pack according to a first embodiment of the present invention;

fig. 2 is a schematic structural diagram of another view angle of the battery assembly according to the first embodiment of the present invention;

fig. 3 is an exploded schematic view of a battery module according to a first embodiment of the present invention;

fig. 4 is a schematic structural diagram of two graphite sheets in a battery module according to a first embodiment of the present invention.

The reference numerals in the specification are as follows:

1. an electric core; 11. a first side surface; 12. a second side surface; 2. a label; 3. a first graphite sheet; 31. a first sheet body; 32. a first extending sheet body; 33. a second extending sheet body; 34. a third extending sheet body; 35. a fourth extending sheet body; 4. a second graphite sheet; 41. a second sheet body; 42. avoiding the notch; 43. a positioning sheet body; 5. a protection plate; 51. connecting an electrode plate externally; 511. a connecting portion; 512. an overhang; 6. and (7) positioning the blocks.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects of the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

First embodiment

As shown in fig. 1 to fig. 3, the battery module in this embodiment includes an electric core set and a graphite sheet, the electric core set includes a plurality of electric cores 1 connected in series or in parallel, the electric core set has a heat dissipation surface, the graphite sheet has two side surfaces arranged opposite to each other, in the two side surfaces, the side surface close to the electric core set is attached to the heat dissipation surface, the side surface far away from the electric core set is used for contacting with the bin wall of a battery bin (not shown in the figure), thus, in the discharging and charging processes of the battery module, the graphite sheet is utilized to have the advantage of better heat conduction, through the contact between the graphite sheet and the bin wall of the battery bin, the heat dissipation speed of the electric core set is accelerated, the heat dissipation efficiency of the battery module is improved, the probability of explosion phenomenon caused by overheating of the battery module can be reduced, and the safety performance of the battery module is improved.

Specifically, as shown in fig. 3, the cell group includes two cells 1 connected in series, where the two cells 1 have the same shape and are of a rectangular plate-like structure, the electrode end is at one end of the height direction of the cell 1, the width direction of the cell 1 is the thickness direction of the cell 1, and the two cells 1 are stacked together in the thickness direction. The electric core group also comprises labels 2 adhered to the outer peripheral surfaces of the two electric cores 1, and the labels 2 are used for identifying the specification of the electric core group.

The whole cuboid structure that is of electric core group, the length direction of electric core group is the same with the length direction of electric core 1, the direction of height of electric core group is the same with the direction of height of electric core 1, the width direction of electric core group is the same with the thickness direction of electric core 1, in the lateral surface of electric core group, the area of two sides of arranging mutually that back to back on width direction is greater than the area of two sides of arranging mutually that back to back on length direction, still be greater than the area of two sides of arranging mutually that back to back on height direction. The radiating surfaces of the electric core group are two, namely a first radiating surface and a second radiating surface which are arranged in the width direction of the electric core group in a back-to-back manner, and the arrangement of the two radiating surfaces helps to improve the radiating efficiency of the whole electric core group.

In this embodiment, there are two graphite sheets, namely a first graphite sheet 3 and a second graphite sheet 4, the first graphite sheet 3 and the second graphite sheet 4 are located on two sides of the width direction of the electric core set, the first graphite sheet 3 includes a first sheet 31, and the side of the first sheet 31 close to the electric core set is attached to the first heat dissipation surface. Specifically, first slice body 31 is parallel with first cooling surface, first slice body 31 has two sides of arranging mutually, in two sides of arranging mutually, the side of being close to the electric core group that is first slice body 31 towards the electric core group is, the side of keeping away from the electric core group that the electric core group is second slice body 41 is dorsad, the side of being close to the electric core group of first slice body 31 is bonded through heat-conducting glue with the first cooling surface of electric core group to realize the fixed connection of first graphite flake 3 and electric core group.

The second graphite sheet 4 includes a second sheet body 41, and a portion of the second sheet body 41 near the side surface of the electric core assembly is attached to the second heat dissipating surface. Specifically, second lamellar body 41 is parallel with the second cooling surface, second lamellar body 41 has two sides of arranging mutually back of the body, in two sides of arranging mutually back of the body, the side of being close to the electric core group towards the electric core group is second lamellar body 41 promptly, the side of keeping away from the electric core group for the second lamellar body 41, the side that is close to the electric core group of second lamellar body 41 bonds through heat-conducting glue with the second cooling surface of electric core group, with the fixed connection who realizes second graphite flake 4 and electric core group.

The side of keeping away from the electric core group of first lamellar body 31 and the side of keeping away from the electric core group of second lamellar body 41 all contact with the bulkhead of battery compartment, set up the bulkhead that can pass through the heat transfer of two cooling surfaces simultaneously with each battery compartment through the graphite flake like this to make the heat of whole electric core group evenly arrange, avoid certain cooling surface heat gathering and lead to the electric core group explosion, help improving the security performance of whole battery pack in the use.

In this embodiment, as shown in fig. 1 and fig. 3, two surfaces of the electric core group, which are opposite to each other in the length direction, are a first side surface 11 and a second side surface 12, the first side surface 11 and the second side surface 12 are both connected between the first heat dissipation surface and the second heat dissipation surface, and the first side surface 11 is perpendicular to the first heat dissipation surface.

First flake 31 is rectangle lamellar structure among the first graphite flake 3, the length direction of first flake 31 is the same with the length direction of electric core group, the direction of height of first flake 31 is the same with the direction of height of electric core group, first graphite flake 3 is including connecting first extension flake 32 and the second extension flake 33 at the length direction both ends of first flake 31, first extension flake 32 and the second extension flake 33 all extend towards electric core group direction and arrange, and first extension flake 32, the second extends flake 33 and all is perpendicular with first flake 31.

The first extending sheet 32 is parallel to the first side 11, and the first extending sheet 32 has two opposite sides, of which the side facing the electric core set, that is, the side close to the electric core set, is attached to the first side 11.

The second extends lamellar body 33 and is parallel with second side 12, and the second extends lamellar body 33 and has two sides of arranging back to back, in two sides of arranging back to back, towards the side of electric core group, also be close to the side of electric core group and laminate with second side 12 promptly, can extend the laminating of two sides in lamellar body 33 and the electric core group through first lamellar body 32, second like this, realize the relative positioning of first graphite flake 3 and electric core group, help realizing that first graphite flake 3 is pasted with the location of electric core group.

The first graphite sheet 3 is bent and formed after die cutting, a plurality of first extending sheet bodies 32 and a plurality of second extending sheet bodies 33 in the first graphite sheet 3 are arranged, and the plurality of first extending sheet bodies 32 and the plurality of second extending sheet bodies 33 are arranged at intervals in the height direction of the first graphite sheet body 31.

As shown in fig. 2 and 3, two surfaces of the electric core group, which are arranged oppositely in the height direction, are a first end surface and a second end surface. The electric core group further comprises a protection plate 5, the protection plate 5 is located at one end of the height direction of the electric core group, the protection plate 5 is electrically connected with the two electric cores 1 to realize that the two electric cores 1 are connected in series, and the protection plate 5 can protect the whole battery assembly to avoid overcharging of the battery assembly. Protection shield 5 includes PCB board, fire-retardant bubble cotton and insulated adhesive tape, and fire-retardant bubble cotton is located the one side of the electric core 1 of the dorsad of PCB board, and insulated adhesive tape is located the cotton one side of the PCB of the dorsad of fire-retardant bubble, and insulated adhesive tape pastes on fire-retardant bubble is cotton, and insulated adhesive tape still bonds with the first side 11 and the second side 12 of electric core group at electric core group length direction's both ends.

In the height direction of the electric core group, the end part of the electric core group provided with the protection plate 5 forms the electrode end of the electric core group, and the end surface of the protection plate 5 back to the electric core 1 in the height direction of the electric core group forms the first end surface of the electric core group. As shown in fig. 1, 3 and 4, the first graphite sheet 3 further includes a third extending sheet 34 and a fourth extending sheet 35, the third extending sheet 34 is connected between the first sheet 31 and the fourth extending sheet 35, the fourth extending sheet 35 is parallel to and spaced from the first sheet 31, the third extending sheet 34 extends toward the direction of the cell group, the third extending sheet 34 is located on a side of the first end surface facing away from the cell 1, and the third extending sheet 34 is attached to the first end surface.

The fourth extends lamellar body 35 and first lamellar body 31 and is located the width direction's of electric core group both sides respectively, the fourth extends in two relative sides of lamellar body 35, the side and the laminating of second cooling surface that are close to the electric core group, as shown in fig. 4, the fourth extends the side and the laminating of second lamellar body 41 of keeping away from the electric core group of lamellar body 35, can realize the heat exchange of first graphite flake 3 with second graphite flake 4 like this, help making two cooling surface heat dissipations of whole electric core group even, avoid the heat to pile up in the part of electric core group, help improving whole battery pack's radiating efficiency, avoid local overheat and the phenomenon that produces the explosion, can improve the security performance of whole battery pack in the use.

As shown in fig. 1 to 3, the battery pack further includes a positioning block 6, the positioning block 6 is located on one side of the third extending sheet 34, which is away from the battery pack, the positioning block 6 is adhered to the third extending sheet 34, and the positioning block 6 is of a rectangular structure and is used for being positioned and matched with the battery compartment to realize the positioning and installation of the battery pack in the battery compartment.

Second graphite flake 4 still includes location lamellar body 43, location lamellar body 43 is connected with second lamellar body 41, location lamellar body 43 is located one side of the electrode tip of electric core group, location lamellar body 43 extends towards the direction of electric core group and arranges, location lamellar body 43 is located one side of the electric core group of keeping away from of locating piece 6, and the side laminating of keeping away from the electric core group of location lamellar body 43 and locating piece 6, in order to realize the prepositioning of second graphite flake 4 with the electric core group, make things convenient for the bonding of second graphite flake 4 and electric core group. In addition, after the whole battery assembly is assembled in the battery compartment, the positioning sheet 43 is press-fitted between the positioning block 6 and the compartment wall of the battery compartment to prevent the second graphite sheet 4 from falling off from the electric core assembly. In other embodiments, the battery module is not provided with a positioning block, and correspondingly, the second graphite sheet may not be provided with a positioning sheet.

In this embodiment, as shown in fig. 2 and 3, the protective plate 5 is provided with an external electrode plate 51, the external electrode plate 51 is located on one side of the width direction of the electric core pack, the external electrode plate 51 extends towards the electric core pack, and the external electrode in the battery pack is arranged on the external electrode plate 51.

External electrode board 51 is equal with the length dimension of electric core group at the ascending size of electric core group length direction, external electrode board 51 is "L" shaped plate column structure, external electrode board 51 is including connecting portion 511 and the overhanging portion 512 that corresponds the vertical long limit of "L" shape that corresponds "L" shape horizontal minor face, the tip and the protection shield 5 of connecting portion 511 are connected, overhanging portion 512 is whole to be arranged towards the one end overhang of the length direction of electric core group, second lamellar body 41 is located between electric core group and external electrode board 51, the position department that is located the electrode end of electric core group of second lamellar body 41 is provided with dodges breach 42, dodge breach 42 is used for dodging connecting portion 511.

Second embodiment

The utility model discloses the second embodiment provides a battery pack, its difference with the first embodiment lies in, the quantity of electric core in the electric core group is provided with threely, the structure of three electric core is the same, three electric core is arranged on the thickness direction of electric core, the width size of electric core group is greater than the length size of single electric core, two cooling surfaces are at the ascending both ends of length direction of electric core group like this, under the condition that the thermal-insulated effect of label was ignored, three electric core homoenergetic is with direct and graphite flake carry out heat-conduction.

In other embodiments, the number of the electric cores in the electric core group can be four or more, and each electric core can directly conduct heat with the graphite sheet under the condition that the label heat insulation effect is ignored.

Third embodiment

The utility model discloses the third embodiment provides a battery pack, its difference with the first embodiment lies in, only sets up first graphite flake among the battery pack, does not set up the second graphite flake, and the second cooling surface is direct to be contacted with the bulkhead of battery compartment. In other embodiments, only the second graphite sheet may be provided, and the first graphite sheet is not provided, so that the first heat dissipation surface directly contacts the bin wall of the battery bin.

Fourth embodiment

The utility model discloses the fourth embodiment provides a battery pack, its difference with first embodiment lies in, does not set up first extension lamellar body and second extension lamellar body in the first graphite flake, can extend lamellar body and third through the fourth and extend the laminating of lamellar body respectively with second cooling surface and first terminal surface, realizes the location fit of first graphite flake and electric core group, makes things convenient for the bonding of first graphite flake and first cooling surface.

In other embodiments, the third extending sheet body is not provided, the fourth extending sheet body is connected with the first extending sheet body or the second extending sheet body, and the fourth extending sheet body is contacted with the second extending sheet body, so that the heat exchange of the two graphite sheets is realized.

Fifth embodiment

The utility model discloses a fifth embodiment provides a battery pack, its difference with the first embodiment lies in, does not set up the third and extends lamellar body and the fourth extends the lamellar body, does not realize the heat exchange through direct contact's mode between first graphite flake and the second graphite flake.

Sixth embodiment

The utility model discloses the sixth embodiment provides a battery pack, its difference with the first embodiment lies in, and first extension lamellar body and second extend the lamellar body and all set up one, and first extension lamellar body is at the ascending size of electric core group direction of height, the second extends the size of lamellar body on the electric core group direction of height and all equals with the ascending size of first lamellar body at the electric core group direction of height.

An embodiment of the utility model provides a cloud platform camera is still provided, battery pack in battery compartment and above-mentioned arbitrary embodiment. In other embodiments, be provided with the radiating part in the battery compartment of cloud platform camera, can make the side and the radiating part contact of keeping away from the electric core group of two graphite flakes to improve battery pack's radiating efficiency, ensure that cloud platform camera normally works.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (11)

1. The utility model provides a battery pack, its characterized in that, includes electric core group and graphite flake, electric core group includes a plurality of electric cores, electric core group has the cooling surface, being close to of graphite flake the side of electric core group with the cooling surface laminating, keeping away from of graphite flake the side of electric core group be used for with the bulkhead of battery compartment or the contact of heat-dissipating part in the battery compartment.

2. The battery pack of claim 1, wherein the battery pack has two heat dissipation surfaces disposed opposite to each other, and the two heat dissipation surfaces are a first heat dissipation surface and a second heat dissipation surface, respectively.

3. The battery pack according to claim 2, wherein the graphite sheets are provided in two, two of the graphite sheets are a first graphite sheet and a second graphite sheet, the first graphite sheet includes a first sheet body, a side surface of the first sheet body close to the electric core set is attached to the first heat dissipation surface, the second graphite sheet includes a second sheet body, and at least a part of a surface of the second sheet body close to the side surface of the electric core set is attached to the second heat dissipation surface.

4. The battery pack of claim 3, wherein the battery pack further comprises a first side surface and a second side surface connected between the first heat dissipation surface and the second heat dissipation surface and arranged opposite to each other, and the first side surface and the first heat dissipation surface are both planar and perpendicular to each other;

first graphite flake including connect first extension lamellar body and the second extension lamellar body at the both ends of first lamellar body, first extension lamellar body with the second extend the lamellar body all with first lamellar body is perpendicular, first extension lamellar body be close to the side of electric core group with the laminating of first side, the second extends being close to the side of lamellar body the electric core group with the laminating of second side.

5. The battery assembly according to claim 4, wherein the first extending sheet is provided in plurality, and the plurality of first extending sheets are arranged at intervals;

the second extends lamellar body and is provided with a plurality ofly, a plurality ofly it extends lamellar body interval arrangement to be a plurality of.

6. The battery assembly according to any one of claims 3 to 5, wherein the electric core set is in a rectangular parallelepiped structure, the first heat dissipating surfaces and the second heat dissipating surfaces are arranged at intervals in the width direction of the electric core set, the electric core set further comprises a protection plate, the protection plate is located at one end of the electric core set in the height direction, the protection plate is electrically connected with the electric core, and the end surface of the protection plate facing away from the electric core is a first end surface of the electric core set;

the first graphite sheet comprises a third extending sheet body connected with the first sheet body, and the side face, close to the electric core group, of the third extending sheet body is attached to the first end face.

7. The battery assembly of claim 6, wherein the first graphite sheet further comprises a fourth extended sheet connected to the third extended sheet, the fourth extended sheet being parallel to and spaced apart from the first sheet, a side of the fourth extended sheet adjacent to the set of electrical cores being attached to the second heat dissipating surface;

the side surface of the fourth extending sheet body, which is far away from the electric core group, is attached to the second sheet body.

8. The battery pack of claim 6, further comprising a positioning block located on a side of the third extending piece facing away from the battery pack, the positioning block being connected to the third extending piece, the positioning block being configured to be in positioning engagement with a battery compartment.

9. The battery assembly according to claim 8, wherein the second graphite sheet further comprises a positioning sheet body connected with the second sheet body, the positioning sheet body is located on a side of the positioning block facing away from the battery cell group, and the positioning sheet is used for being pressed between the positioning block and a wall of a battery compartment.

10. The battery assembly according to claim 6, wherein the protective plate is provided with an external electrode plate, the external electrode plate extends towards the direction of the battery pack, the external electrode plate is in an "L" shape, the external electrode plate comprises a connecting part corresponding to the horizontal short side of the "L" shape and an overhanging part corresponding to the vertical long side of the "L" shape, and the end of the connecting part is connected with the protective plate;

the second lamellar body is located the electric core group with between the external electrode board, be provided with on the second lamellar body and be used for dodging the breach of dodging of connecting portion.

11. A pan-tilt camera characterized by comprising a battery compartment and the battery assembly of any one of claims 1 to 10.

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