CN210092170U

CN210092170U - 6020 lithium iron phosphate power battery pack

Info

Publication number: CN210092170U
Application number: CN201921036667.1U
Authority: CN
Inventors: 曾庆前; 钟春阳
Original assignee: Guangdong Didu New Energy Co Ltd
Current assignee: Guangdong Didu New Energy Co Ltd
Priority date: 2019-07-04
Filing date: 2019-07-04
Publication date: 2020-02-18
Anticipated expiration: 2029-07-04

Abstract

The utility model discloses a 6020 lithium iron phosphate power battery group, including shell body, circulation system, upper sealing cap, the bottom fixed surface of shell body is provided with concave type support frame, side surface upper end vertically is equipped with circular heat dissipation fan respectively through seting up the recess about the shell body, circulation system includes two cooler bins, puts thing check, heat transfer board, shell body inner wall left and right sides both ends vertical fixed division board that is provided with respectively, form cube form air exchanging cavity between the both ends inner wall about division board and the shell body respectively, put the bottom surface of thing check and transversely seted up many semi-circular radiating grooves, the top surface one end longitudinal fixation of upper sealing cap is provided with positive negative electricity connection post. The utility model discloses an go up closing cap bottom surface temperature-sensing element under external controller effect, can independently regulate and control heat preservation and heat dissipation operation according to the difference of service environment demand, reduce the decay in order to increase life when guaranteeing group battery performance, excellent in use effect.

Description

6020 lithium iron phosphate power battery pack

Technical Field

The utility model relates to a power battery group technical field specifically is a 6020 lithium iron phosphate power battery group.

Background

The power battery is a power source for providing power source for the tool, and is a storage battery for providing power for electric automobiles, electric trains, electric bicycles and golf carts. Which is mainly distinguished from a starting battery for starting an engine of an automobile. Valve-port sealed lead-acid batteries, open tubular lead-acid batteries and lithium iron phosphate batteries are mostly used. The lithium power battery is a novel high-energy battery successfully developed in the 20 th century, and has been widely applied to military and civil small-sized electrical appliances due to the advantages of high energy, high battery voltage, wide working temperature range, long storage life and the like. The lithium battery is directly put into to the plastic casing more to current lithium iron phosphate power battery group, owing to lack heat dissipation and insulation construction, very easily aggravate the decay of group battery because of operational environment's uncertainty after long-time the use to seriously influence its life, the practicality is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a 6020 lithium iron phosphate power battery group to solve among the prior art because group battery shell lacks heat dissipation and insulation construction, very easily influence life's problem because of the decay of operational environment's nondeterminacy aggravation group battery after long-time the use.

In order to achieve the above object, the utility model provides a following technical scheme: a6020 lithium iron phosphate power battery pack comprises an outer shell, a circulating system and an upper sealing cover, wherein the bottom surface of the outer shell is fixedly provided with a concave-shaped supporting frame, the upper ends of the left and right side surfaces of the outer shell are respectively and longitudinally provided with a circular heat radiation fan through a groove, the top surface of the outer shell is fixedly provided with an annular connecting plate, the front and back side surfaces of the connecting plate are respectively and vertically provided with circular positioning holes, one side of the positioning hole on the top surface of the connecting plate is provided with an arc-shaped sealing groove, the circulating system comprises two cooling boxes, a storage grid and a heat exchange plate, the left and right ends of the inner wall of the outer shell are respectively and vertically fixedly provided with a separation plate, a cubic air exchange cavity is respectively formed between the separation plate and the inner walls of the left and right ends of the outer shell, the two cooling boxes, the heat exchange plate is vertically and fixedly arranged on the inner wall of the storage grid, the upper sealing cover is transversely and fixedly arranged on the top surface of the connecting plate above the outer shell through a positioning bolt, and one end of the top surface of the upper sealing cover is longitudinally and fixedly provided with a positive and negative electric connecting column.

Preferably, the support frame is an insulated metal frame and is provided with a cushion pad between the support frame and the bottom surface of the outer shell, and the support frame and the bottom surface of the outer shell are integrated into a whole by adopting a welding process.

Preferably, the left end and the right end of the top surface of the upper sealing cover on the outer sides of the positive and negative electric connecting columns are respectively and longitudinally movably provided with a rubber handle by arranging a groove, and the middle part of the bottom surface of the upper sealing cover is provided with a temperature sensing element.

Preferably, the left side surface and the right side surface of the outer shell are respectively provided with two heat dissipation fans, and the grooves in the outer sides of the heat dissipation fans are respectively internally provided with an isolation grid plate.

Preferably, the cooling box is formed by obliquely welding a plurality of metal heat conducting fins, and two ends of the cooling box are respectively communicated with the heat dissipation fan and the heat dissipation groove at the bottom of the storage grid.

Preferably, the inner wall of the storage grid and the side surfaces of the heat exchange plates are respectively sprayed with a heat insulation coating, and the distance between every two adjacent heat exchange plates in the storage grid is larger than the width of the lithium power battery pack.

Compared with the prior art, the beneficial effects of the utility model are that:

1. circulation system includes two cooler bins, puts thing check, heat transfer board, and is equipped with the heat dissipation fan respectively at the shell body surface of cooler bin one side, and it has the heat preservation coating to put thing check inner wall and heat transfer board side spraying respectively, through last closing cap bottom surface temperature-sensing element under the external control ware effect, can independently regulate and control heat preservation and heat dissipation operation according to the difference of service environment demand, reduces the decay in order to increase life when guaranteeing group battery performance, excellent in use effect.

2. Be equipped with the blotter in the shell body bottom and with be equipped with between the shell body bottom surface, protective properties when can effectively strengthen the group battery and use, and be equipped with the isolation grid tray inside the recess in the heat dissipation fan outside respectively, reinforcing heat dispersion when can effectively protect the heat dissipation fan, the practicality is strong.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic structural view of the present invention;

fig. 2 is a top view of the outer housing of the present invention;

fig. 3 is a side sectional view of the outer casing of the present invention.

In the figure: 1. an outer housing; 2. an upper sealing cover; 3. a support frame; 4. a heat dissipation fan; 5. a connecting plate; 6. positioning holes; 7. a sealing groove; 8. a cooling tank; 9. a storage grid; 10. a heat exchange plate; 11. a separator plate; 12. an air exchange cavity; 13. a heat sink; 14. the positive and negative electric poles are connected; 15. a cushion pad; 16. a rubber handle; 17. isolating the grid plate; 18. and (4) heat-insulating coating.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, 2 and 3, in an embodiment of the present invention, a 6020 lithium iron phosphate power battery pack includes an outer casing 1, a circulation system, and an upper sealing cover 2, wherein a concave-shaped support frame 3 is fixedly disposed on a bottom surface of the outer casing 1, circular heat dissipation fans 4 are respectively and longitudinally disposed on upper ends of left and right side surfaces of the outer casing 1 through grooves, an annular connecting plate 5 is fixedly disposed on a top surface of the outer casing 1, circular positioning holes 6 are respectively and vertically disposed on front and rear side surfaces of the connecting plate 5, an arc-shaped sealing groove 7 is disposed on one side of the positioning hole 6 on the top surface of the connecting plate 5, the circulation system includes two cooling boxes 8, a storage compartment 9 and a heat exchange plate 10, partition plates 11 are respectively and vertically and fixedly disposed on left and right ends of an inner wall of the outer casing 1, a cubic air exchange cavity 12 is respectively formed between the partition plates 11 and inner, the article placing lattice 9 is transversely and fixedly arranged in the middle of the bottom end of the inner wall of the outer shell 1 between the two ventilating cavities 12, a plurality of semicircular radiating grooves 13 are transversely formed in the bottom surface of the article placing lattice 9, the heat exchange plate 10 is vertically and fixedly arranged on the inner wall of the article placing lattice 9, the upper sealing cover 2 is transversely and fixedly arranged on the top surface of the connecting plate 5 above the outer shell 1 through a positioning bolt, and a positive and negative power connection post 14 is longitudinally and fixedly arranged at one end of the top surface of the upper sealing cover 2; the support frame 3 is an insulated metal frame, a buffer cushion 15 is arranged between the support frame 3 and the bottom surface of the outer shell 1, and the support frame 3 and the bottom surface of the outer shell 1 are integrated into a whole by adopting a welding process, so that the service performance is enhanced; the left end and the right end of the top surface of the upper sealing cover 2 at the outer sides of the positive and negative electric connecting posts 14 are respectively and longitudinally movably provided with a rubber handle 16 by arranging grooves, and the middle part of the bottom surface of the upper sealing cover 2 is provided with a temperature sensing element, so that the heat dissipation and the heat preservation can be conveniently regulated and controlled according to the use environment requirement; two heat dissipation fans 4 are respectively arranged on the left side surface and the right side surface of the outer shell 1, and isolation grid plates 17 are respectively arranged inside grooves on the outer sides of the heat dissipation fans 4, so that the heat dissipation performance of the battery pack is ensured and the protection performance is enhanced; the cooling box 8 is formed by obliquely welding a plurality of metal heat conducting fins, and two ends of the cooling box 8 are respectively communicated with the heat dissipation fan 4 and the heat dissipation groove 13 at the bottom of the storage grid 9, so that the rapid heat dissipation operation is facilitated to reduce the attenuation rate of the battery pack; the inner wall of the storage grid 9 and the side surfaces of the heat exchange plates 10 are respectively sprayed with heat insulation coatings 18, and the distance between every two adjacent heat exchange plates 10 in the storage grid 9 is larger than the width of the lithium power battery pack, so that the fixing reliability is guaranteed.

The utility model discloses a theory of operation and use flow: during the use vertically inject lithium cell group respectively between putting two inside heat transfer boards 10 of thing check 9 and realize being connected with shell body 1 through last closing cap 2, it is sealed, 2 bottom surface temperature-sensing elements of last closing cap independently regulate and control heat preservation and heat dissipation operation according to the difference of service environment demand under the external control ware effect, heat during the heat dissipation between two adjacent heat transfer boards 10 is led to cooler bin 8 and is realized the circulation with outside air under heat dissipation fan 4 effect by radiating groove 13, can effectively strengthen the heat extraction performance, heat dissipation fan 4 is closed during the heat preservation, the heat realizes in putting thing check 9 that the circulation flows and opens the heat dissipation mode after reaching the settlement temperature, automatic temperature regulation and control, reduce the decay in order to increase life when guaranteeing group battery performance, excellent in use effect.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a 6020 lithium iron phosphate power battery group, includes shell body (1), circulation system, goes up closing cap (2), its characterized in that: the bottom fixed surface of shell body (1) is provided with concave type support frame (3), shell body (1) about side surface upper end vertically is equipped with circular heat dissipation fan (4) respectively through seting up the recess, the top fixed surface of shell body (1) is provided with annular connecting plate (5), circular locating hole (6) have vertically been seted up respectively to the front and back side surface of connecting plate (5), arc seal groove (7) have been seted up to connecting plate (5) top surface locating hole (6) one side, circulation system includes two cooler bin (8), puts thing check (9), heat transfer plate (10), shell body (1) inner wall is controlled both ends and is vertically fixed division board (11) are provided with respectively about both ends, form cube form air exchanging cavity (12) between the inner wall of both ends about division board (11) and shell body (1) respectively, two cooler bin (8) vertical fixed setting air exchanging cavity (12) inner wall in shell body (1) both sides respectively One end, put outer casing (1) inner wall bottom middle part that thing check (9) transversely fixed set up between two air exchange chambers (12), put the bottom surface of thing check (9) and transversely seted up many semi-circular radiating grooves (13), the vertical fixed setting of heat transfer board (10) is putting thing check (9) inner wall, go up closing cap (2) and transversely fix connecting plate (5) top surface that sets up in outer casing (1) top through positioning bolt, the top surface one end longitudinal fixation of going up closing cap (2) is provided with positive and negative electrical connection post (14).

2. The 6020 lithium iron phosphate power battery pack as claimed in claim 1, wherein: the support frame (3) is an insulated metal frame and is provided with a cushion pad (15) between the surface of the bottom of the outer shell (1), and the support frame (3) is integrated with the surface of the bottom of the outer shell (1) into a whole by adopting a welding process.

3. The 6020 lithium iron phosphate power battery pack as claimed in claim 1, wherein: the left end and the right end of the top surface of the upper sealing cover (2) on the outer sides of the positive and negative electric connecting posts (14) are respectively and longitudinally movably provided with a rubber handle (16) through grooves, and the middle part of the bottom surface of the upper sealing cover (2) is provided with a temperature sensing element.

4. The 6020 lithium iron phosphate power battery pack as claimed in claim 1, wherein: the surface is equipped with two heat dissipation fan (4) respectively about shell body (1), the recess inside in heat dissipation fan (4) outside is equipped with isolation grid tray (17) respectively.

5. The 6020 lithium iron phosphate power battery pack as claimed in claim 1, wherein: the cooling box (8) is formed by obliquely welding a plurality of metal heat conducting sheets, and two ends of the cooling box (8) are respectively communicated with the heat dissipation fan (4) and the heat dissipation groove (13) at the bottom of the storage grid (9).

6. The 6020 lithium iron phosphate power battery pack as claimed in claim 1, wherein: the inner wall of the storage grid (9) and the side surfaces of the heat exchange plates (10) are respectively coated with a heat insulation coating (18), and the distance between every two adjacent heat exchange plates (10) in the storage grid (9) is larger than the width of the lithium power battery pack.